#define ASC_1000_ID0W_FIX 0x00C1
#define ASC_1000_ID1B 0x25
#define ASC_EISA_REV_IOP_MASK (0x0C83)
-#define ASC_EISA_PID_IOP_MASK (0x0C80)
#define ASC_EISA_CFG_IOP_MASK (0x0C86)
#define ASC_GET_EISA_SLOT(iop) (PortAddr)((iop) & 0xF000)
#define INS_HALTINT (ushort)0x6281
#define AscGetRiscVarDoneQTail(port) AscReadLramByte((port), ASCV_DONENEXT_B)
#define AscPutRiscVarFreeQHead(port, val) AscWriteLramByte((port), ASCV_NEXTRDY_B, val)
#define AscPutRiscVarDoneQTail(port, val) AscWriteLramByte((port), ASCV_DONENEXT_B, val)
-#define AscPutMCodeSDTRDoneAtID(port, id, data) AscWriteLramByte((port), (ushort)((ushort)ASCV_SDTR_DONE_BEG+(ushort)id), (data));
-#define AscGetMCodeSDTRDoneAtID(port, id) AscReadLramByte((port), (ushort)((ushort)ASCV_SDTR_DONE_BEG+(ushort)id));
-#define AscPutMCodeInitSDTRAtID(port, id, data) AscWriteLramByte((port), (ushort)((ushort)ASCV_SDTR_DATA_BEG+(ushort)id), data);
-#define AscGetMCodeInitSDTRAtID(port, id) AscReadLramByte((port), (ushort)((ushort)ASCV_SDTR_DATA_BEG+(ushort)id));
+#define AscPutMCodeSDTRDoneAtID(port, id, data) AscWriteLramByte((port), (ushort)((ushort)ASCV_SDTR_DONE_BEG+(ushort)id), (data))
+#define AscGetMCodeSDTRDoneAtID(port, id) AscReadLramByte((port), (ushort)((ushort)ASCV_SDTR_DONE_BEG+(ushort)id))
+#define AscPutMCodeInitSDTRAtID(port, id, data) AscWriteLramByte((port), (ushort)((ushort)ASCV_SDTR_DATA_BEG+(ushort)id), data)
+#define AscGetMCodeInitSDTRAtID(port, id) AscReadLramByte((port), (ushort)((ushort)ASCV_SDTR_DATA_BEG+(ushort)id))
#define AscSynIndexToPeriod(index) (uchar)(asc_dvc->sdtr_period_tbl[ (index) ])
#define AscGetChipSignatureByte(port) (uchar)inp((port)+IOP_SIG_BYTE)
#define AscGetChipSignatureWord(port) (ushort)inpw((port)+IOP_SIG_WORD)
#define AscReadChipDvcID(port) (uchar)inp((port)+IOP_REG_ID)
#define AscWriteChipDvcID(port, data) outp((port)+IOP_REG_ID, data)
-static int AscWriteEEPCmdReg(PortAddr iop_base, uchar cmd_reg);
-static int AscWriteEEPDataReg(PortAddr iop_base, ushort data_reg);
-static void AscWaitEEPRead(void);
-static void AscWaitEEPWrite(void);
-static ushort AscReadEEPWord(PortAddr, uchar);
-static ushort AscWriteEEPWord(PortAddr, uchar, ushort);
-static ushort AscGetEEPConfig(PortAddr, ASCEEP_CONFIG *, ushort);
-static int AscSetEEPConfigOnce(PortAddr, ASCEEP_CONFIG *, ushort);
-static int AscSetEEPConfig(PortAddr, ASCEEP_CONFIG *, ushort);
-static int AscStartChip(PortAddr);
-static int AscStopChip(PortAddr);
-static void AscSetChipIH(PortAddr, ushort);
-static int AscIsChipHalted(PortAddr);
-static void AscAckInterrupt(PortAddr);
-static void AscDisableInterrupt(PortAddr);
-static void AscEnableInterrupt(PortAddr);
-static void AscSetBank(PortAddr, uchar);
-static int AscResetChipAndScsiBus(ASC_DVC_VAR *);
-#ifdef CONFIG_ISA
-static uchar AscGetIsaDmaSpeed(PortAddr);
-#endif /* CONFIG_ISA */
-static uchar AscReadLramByte(PortAddr, ushort);
-static ushort AscReadLramWord(PortAddr, ushort);
-#if CC_VERY_LONG_SG_LIST
-static ASC_DCNT AscReadLramDWord(PortAddr, ushort);
-#endif /* CC_VERY_LONG_SG_LIST */
-static void AscWriteLramWord(PortAddr, ushort, ushort);
-static void AscWriteLramByte(PortAddr, ushort, uchar);
-static ASC_DCNT AscMemSumLramWord(PortAddr, ushort, int);
-static void AscMemWordSetLram(PortAddr, ushort, ushort, int);
-static void AscMemWordCopyPtrToLram(PortAddr, ushort, uchar *, int);
-static void AscMemDWordCopyPtrToLram(PortAddr, ushort, uchar *, int);
-static void AscMemWordCopyPtrFromLram(PortAddr, ushort, uchar *, int);
-static ushort AscInitAscDvcVar(ASC_DVC_VAR *);
-static ushort AscInitFromEEP(ASC_DVC_VAR *);
-static ushort AscInitMicroCodeVar(ASC_DVC_VAR *);
-static int AscTestExternalLram(ASC_DVC_VAR *);
-static uchar AscMsgOutSDTR(ASC_DVC_VAR *, uchar, uchar);
-static uchar AscCalSDTRData(ASC_DVC_VAR *, uchar, uchar);
-static void AscSetChipSDTR(PortAddr, uchar, uchar);
-static uchar AscGetSynPeriodIndex(ASC_DVC_VAR *, uchar);
-static uchar AscAllocFreeQueue(PortAddr, uchar);
-static uchar AscAllocMultipleFreeQueue(PortAddr, uchar, uchar);
-static int AscHostReqRiscHalt(PortAddr);
-static int AscStopQueueExe(PortAddr);
-static int AscSendScsiQueue(ASC_DVC_VAR *,
- ASC_SCSI_Q *scsiq, uchar n_q_required);
-static int AscPutReadyQueue(ASC_DVC_VAR *, ASC_SCSI_Q *, uchar);
-static int AscPutReadySgListQueue(ASC_DVC_VAR *, ASC_SCSI_Q *, uchar);
-static int AscSetChipSynRegAtID(PortAddr, uchar, uchar);
-static int AscSetRunChipSynRegAtID(PortAddr, uchar, uchar);
-static ushort AscInitLram(ASC_DVC_VAR *);
-static int AscSetLibErrorCode(ASC_DVC_VAR *, ushort);
-static int AscIsrChipHalted(ASC_DVC_VAR *);
-static uchar _AscCopyLramScsiDoneQ(PortAddr, ushort,
- ASC_QDONE_INFO *, ASC_DCNT);
-static int AscIsrQDone(ASC_DVC_VAR *);
-#ifdef CONFIG_ISA
-static ushort AscGetEisaChipCfg(PortAddr);
-#endif /* CONFIG_ISA */
-static uchar AscGetChipScsiCtrl(PortAddr);
-static uchar AscGetChipVersion(PortAddr, ushort);
-static ASC_DCNT AscLoadMicroCode(PortAddr, ushort, uchar *, ushort);
-static void AscToggleIRQAct(PortAddr);
-static void DvcPutScsiQ(PortAddr, ushort, uchar *, int);
-static void DvcGetQinfo(PortAddr, ushort, uchar *, int);
-static ushort AscInitAsc1000Driver(ASC_DVC_VAR *);
-static void AscAsyncFix(ASC_DVC_VAR *, struct scsi_device *);
-static int AscExeScsiQueue(ASC_DVC_VAR *, ASC_SCSI_Q *);
-static int AscISR(ASC_DVC_VAR *);
-static uint AscGetNumOfFreeQueue(ASC_DVC_VAR *, uchar, uchar);
-static int AscSgListToQueue(int);
-#ifdef CONFIG_ISA
-static void AscEnableIsaDma(uchar);
-#endif /* CONFIG_ISA */
-static const char *advansys_info(struct Scsi_Host *shost);
-
#define ADV_LIB_VERSION_MAJOR 5
#define ADV_LIB_VERSION_MINOR 14
#define ADV_HOST_SCSI_BUS_RESET 0x80 /* Host Initiated SCSI Bus Reset. */
-static ADV_PADDR DvcGetPhyAddr(ADV_DVC_VAR *, ADV_SCSI_REQ_Q *,
- uchar *, ASC_SDCNT *, int);
-
-/*
- * Adv Library functions available to drivers.
- */
-static int AdvExeScsiQueue(ADV_DVC_VAR *, ADV_SCSI_REQ_Q *);
-static int AdvISR(ADV_DVC_VAR *);
-static int AdvInitAsc3550Driver(ADV_DVC_VAR *);
-static int AdvInitAsc38C0800Driver(ADV_DVC_VAR *);
-static int AdvInitAsc38C1600Driver(ADV_DVC_VAR *);
-static int AdvResetChipAndSB(ADV_DVC_VAR *);
-static int AdvResetSB(ADV_DVC_VAR *asc_dvc);
-
-/*
- * Internal Adv Library functions.
- */
-static int AdvSendIdleCmd(ADV_DVC_VAR *, ushort, ADV_DCNT);
-static int AdvInitFrom3550EEP(ADV_DVC_VAR *);
-static int AdvInitFrom38C0800EEP(ADV_DVC_VAR *);
-static int AdvInitFrom38C1600EEP(ADV_DVC_VAR *);
-static ushort AdvGet3550EEPConfig(AdvPortAddr, ADVEEP_3550_CONFIG *);
-static void AdvSet3550EEPConfig(AdvPortAddr, ADVEEP_3550_CONFIG *);
-static ushort AdvGet38C0800EEPConfig(AdvPortAddr, ADVEEP_38C0800_CONFIG *);
-static void AdvSet38C0800EEPConfig(AdvPortAddr, ADVEEP_38C0800_CONFIG *);
-static ushort AdvGet38C1600EEPConfig(AdvPortAddr, ADVEEP_38C1600_CONFIG *);
-static void AdvSet38C1600EEPConfig(AdvPortAddr, ADVEEP_38C1600_CONFIG *);
-static void AdvWaitEEPCmd(AdvPortAddr);
-static ushort AdvReadEEPWord(AdvPortAddr, int);
-
/* Read byte from a register. */
#define AdvReadByteRegister(iop_base, reg_off) \
(ADV_MEM_READB((iop_base) + (reg_off)))
#ifdef ADVANSYS_DEBUG
static int asc_dbglvl = 3;
-#endif /* ADVANSYS_DEBUG */
-
-static int advansys_slave_configure(struct scsi_device *);
-static int asc_execute_scsi_cmnd(struct scsi_cmnd *);
-static int asc_build_req(asc_board_t *, struct scsi_cmnd *);
-static int adv_build_req(asc_board_t *, struct scsi_cmnd *, ADV_SCSI_REQ_Q **);
-static int adv_get_sglist(asc_board_t *, adv_req_t *, struct scsi_cmnd *, int);
-#ifdef CONFIG_PROC_FS
-static int asc_proc_copy(off_t, off_t, char *, int, char *, int);
-static int asc_prt_board_devices(struct Scsi_Host *, char *, int);
-static int asc_prt_adv_bios(struct Scsi_Host *, char *, int);
-static int asc_get_eeprom_string(ushort *serialnum, uchar *cp);
-static int asc_prt_asc_board_eeprom(struct Scsi_Host *, char *, int);
-static int asc_prt_adv_board_eeprom(struct Scsi_Host *, char *, int);
-static int asc_prt_driver_conf(struct Scsi_Host *, char *, int);
-static int asc_prt_asc_board_info(struct Scsi_Host *, char *, int);
-static int asc_prt_adv_board_info(struct Scsi_Host *, char *, int);
-static int asc_prt_line(char *, int, char *fmt, ...);
-#endif /* CONFIG_PROC_FS */
-
-/* Statistics function prototypes. */
-#ifdef ADVANSYS_STATS
-#ifdef CONFIG_PROC_FS
-static int asc_prt_board_stats(struct Scsi_Host *, char *, int);
-#endif /* CONFIG_PROC_FS */
-#endif /* ADVANSYS_STATS */
-
-/* Debug function prototypes. */
-#ifdef ADVANSYS_DEBUG
-static void asc_prt_scsi_host(struct Scsi_Host *);
-static void asc_prt_scsi_cmnd(struct scsi_cmnd *);
-static void asc_prt_asc_dvc_cfg(ASC_DVC_CFG *);
-static void asc_prt_asc_dvc_var(ASC_DVC_VAR *);
-static void asc_prt_asc_scsi_q(ASC_SCSI_Q *);
-static void asc_prt_asc_qdone_info(ASC_QDONE_INFO *);
-static void asc_prt_adv_dvc_cfg(ADV_DVC_CFG *);
-static void asc_prt_adv_dvc_var(ADV_DVC_VAR *);
-static void asc_prt_adv_scsi_req_q(ADV_SCSI_REQ_Q *);
-static void asc_prt_adv_sgblock(int, ADV_SG_BLOCK *);
-static void asc_prt_hex(char *f, uchar *, int);
-#endif /* ADVANSYS_DEBUG */
-#ifdef CONFIG_PROC_FS
/*
- * advansys_proc_info() - /proc/scsi/advansys/{0,1,2,3,...}
- *
- * *buffer: I/O buffer
- * **start: if inout == FALSE pointer into buffer where user read should start
- * offset: current offset into a /proc/scsi/advansys/[0...] file
- * length: length of buffer
- * hostno: Scsi_Host host_no
- * inout: TRUE - user is writing; FALSE - user is reading
- *
- * Return the number of bytes read from or written to a
- * /proc/scsi/advansys/[0...] file.
- *
- * Note: This function uses the per board buffer 'prtbuf' which is
- * allocated when the board is initialized in advansys_detect(). The
- * buffer is ASC_PRTBUF_SIZE bytes. The function asc_proc_copy() is
- * used to write to the buffer. The way asc_proc_copy() is written
- * if 'prtbuf' is too small it will not be overwritten. Instead the
- * user just won't get all the available statistics.
+ * asc_prt_scsi_host()
*/
-static int
-advansys_proc_info(struct Scsi_Host *shost, char *buffer, char **start,
- off_t offset, int length, int inout)
+static void asc_prt_scsi_host(struct Scsi_Host *s)
{
asc_board_t *boardp;
- char *cp;
- int cplen;
- int cnt;
- int totcnt;
- int leftlen;
- char *curbuf;
- off_t advoffset;
- ASC_DBG(1, "advansys_proc_info: begin\n");
+ boardp = ASC_BOARDP(s);
- /*
- * User write not supported.
- */
- if (inout == TRUE) {
- return (-ENOSYS);
- }
+ printk("Scsi_Host at addr 0x%lx\n", (ulong)s);
+ printk(" host_busy %u, host_no %d, last_reset %d,\n",
+ s->host_busy, s->host_no, (unsigned)s->last_reset);
- /*
- * User read of /proc/scsi/advansys/[0...] file.
- */
+ printk(" base 0x%lx, io_port 0x%lx, irq 0x%x,\n",
+ (ulong)s->base, (ulong)s->io_port, s->irq);
- boardp = ASC_BOARDP(shost);
+ printk(" dma_channel %d, this_id %d, can_queue %d,\n",
+ s->dma_channel, s->this_id, s->can_queue);
- /* Copy read data starting at the beginning of the buffer. */
- *start = buffer;
- curbuf = buffer;
- advoffset = 0;
- totcnt = 0;
- leftlen = length;
+ printk(" cmd_per_lun %d, sg_tablesize %d, unchecked_isa_dma %d\n",
+ s->cmd_per_lun, s->sg_tablesize, s->unchecked_isa_dma);
- /*
- * Get board configuration information.
- *
- * advansys_info() returns the board string from its own static buffer.
- */
- cp = (char *)advansys_info(shost);
- strcat(cp, "\n");
- cplen = strlen(cp);
- /* Copy board information. */
- cnt = asc_proc_copy(advoffset, offset, curbuf, leftlen, cp, cplen);
- totcnt += cnt;
- leftlen -= cnt;
- if (leftlen == 0) {
- ASC_DBG1(1, "advansys_proc_info: totcnt %d\n", totcnt);
- return totcnt;
+ if (ASC_NARROW_BOARD(boardp)) {
+ asc_prt_asc_dvc_var(&ASC_BOARDP(s)->dvc_var.asc_dvc_var);
+ asc_prt_asc_dvc_cfg(&ASC_BOARDP(s)->dvc_cfg.asc_dvc_cfg);
+ } else {
+ asc_prt_adv_dvc_var(&ASC_BOARDP(s)->dvc_var.adv_dvc_var);
+ asc_prt_adv_dvc_cfg(&ASC_BOARDP(s)->dvc_cfg.adv_dvc_cfg);
}
- advoffset += cplen;
- curbuf += cnt;
+}
- /*
- * Display Wide Board BIOS Information.
- */
- if (ASC_WIDE_BOARD(boardp)) {
- cp = boardp->prtbuf;
- cplen = asc_prt_adv_bios(shost, cp, ASC_PRTBUF_SIZE);
- BUG_ON(cplen >= ASC_PRTBUF_SIZE);
- cnt = asc_proc_copy(advoffset, offset, curbuf, leftlen, cp,
- cplen);
- totcnt += cnt;
- leftlen -= cnt;
- if (leftlen == 0) {
- ASC_DBG1(1, "advansys_proc_info: totcnt %d\n", totcnt);
- return totcnt;
- }
- advoffset += cplen;
- curbuf += cnt;
- }
+/*
+ * asc_prt_scsi_cmnd()
+ */
+static void asc_prt_scsi_cmnd(struct scsi_cmnd *s)
+{
+ printk("struct scsi_cmnd at addr 0x%lx\n", (ulong)s);
- /*
- * Display driver information for each device attached to the board.
- */
- cp = boardp->prtbuf;
- cplen = asc_prt_board_devices(shost, cp, ASC_PRTBUF_SIZE);
- BUG_ON(cplen >= ASC_PRTBUF_SIZE);
- cnt = asc_proc_copy(advoffset, offset, curbuf, leftlen, cp, cplen);
- totcnt += cnt;
- leftlen -= cnt;
- if (leftlen == 0) {
- ASC_DBG1(1, "advansys_proc_info: totcnt %d\n", totcnt);
- return totcnt;
- }
- advoffset += cplen;
- curbuf += cnt;
+ printk(" host 0x%lx, device 0x%lx, target %u, lun %u, channel %u,\n",
+ (ulong)s->device->host, (ulong)s->device, s->device->id,
+ s->device->lun, s->device->channel);
- /*
- * Display EEPROM configuration for the board.
- */
- cp = boardp->prtbuf;
- if (ASC_NARROW_BOARD(boardp)) {
- cplen = asc_prt_asc_board_eeprom(shost, cp, ASC_PRTBUF_SIZE);
- } else {
- cplen = asc_prt_adv_board_eeprom(shost, cp, ASC_PRTBUF_SIZE);
- }
- BUG_ON(cplen >= ASC_PRTBUF_SIZE);
- cnt = asc_proc_copy(advoffset, offset, curbuf, leftlen, cp, cplen);
- totcnt += cnt;
- leftlen -= cnt;
- if (leftlen == 0) {
- ASC_DBG1(1, "advansys_proc_info: totcnt %d\n", totcnt);
- return totcnt;
- }
- advoffset += cplen;
- curbuf += cnt;
+ asc_prt_hex(" CDB", s->cmnd, s->cmd_len);
- /*
- * Display driver configuration and information for the board.
- */
- cp = boardp->prtbuf;
- cplen = asc_prt_driver_conf(shost, cp, ASC_PRTBUF_SIZE);
- BUG_ON(cplen >= ASC_PRTBUF_SIZE);
- cnt = asc_proc_copy(advoffset, offset, curbuf, leftlen, cp, cplen);
- totcnt += cnt;
- leftlen -= cnt;
- if (leftlen == 0) {
- ASC_DBG1(1, "advansys_proc_info: totcnt %d\n", totcnt);
- return totcnt;
- }
- advoffset += cplen;
- curbuf += cnt;
+ printk("sc_data_direction %u, resid %d\n",
+ s->sc_data_direction, s->resid);
-#ifdef ADVANSYS_STATS
- /*
- * Display driver statistics for the board.
- */
- cp = boardp->prtbuf;
- cplen = asc_prt_board_stats(shost, cp, ASC_PRTBUF_SIZE);
- BUG_ON(cplen >= ASC_PRTBUF_SIZE);
- cnt = asc_proc_copy(advoffset, offset, curbuf, leftlen, cp, cplen);
- totcnt += cnt;
- leftlen -= cnt;
- if (leftlen == 0) {
- ASC_DBG1(1, "advansys_proc_info: totcnt %d\n", totcnt);
- return totcnt;
- }
- advoffset += cplen;
- curbuf += cnt;
-#endif /* ADVANSYS_STATS */
+ printk(" use_sg %u, sglist_len %u\n", s->use_sg, s->sglist_len);
- /*
- * Display Asc Library dynamic configuration information
- * for the board.
- */
- cp = boardp->prtbuf;
- if (ASC_NARROW_BOARD(boardp)) {
- cplen = asc_prt_asc_board_info(shost, cp, ASC_PRTBUF_SIZE);
- } else {
- cplen = asc_prt_adv_board_info(shost, cp, ASC_PRTBUF_SIZE);
- }
- BUG_ON(cplen >= ASC_PRTBUF_SIZE);
- cnt = asc_proc_copy(advoffset, offset, curbuf, leftlen, cp, cplen);
- totcnt += cnt;
- leftlen -= cnt;
- if (leftlen == 0) {
- ASC_DBG1(1, "advansys_proc_info: totcnt %d\n", totcnt);
- return totcnt;
- }
- advoffset += cplen;
- curbuf += cnt;
+ printk(" serial_number 0x%x, retries %d, allowed %d\n",
+ (unsigned)s->serial_number, s->retries, s->allowed);
- ASC_DBG1(1, "advansys_proc_info: totcnt %d\n", totcnt);
+ printk(" timeout_per_command %d\n", s->timeout_per_command);
- return totcnt;
+ printk(" scsi_done 0x%p, done 0x%p, host_scribble 0x%p, result 0x%x\n",
+ s->scsi_done, s->done, s->host_scribble, s->result);
+
+ printk(" tag %u, pid %u\n", (unsigned)s->tag, (unsigned)s->pid);
}
-#endif /* CONFIG_PROC_FS */
/*
- * advansys_info()
- *
- * Return suitable for printing on the console with the argument
- * adapter's configuration information.
- *
- * Note: The information line should not exceed ASC_INFO_SIZE bytes,
- * otherwise the static 'info' array will be overrun.
+ * asc_prt_asc_dvc_var()
*/
-static const char *advansys_info(struct Scsi_Host *shost)
+static void asc_prt_asc_dvc_var(ASC_DVC_VAR *h)
{
- static char info[ASC_INFO_SIZE];
- asc_board_t *boardp;
- ASC_DVC_VAR *asc_dvc_varp;
- ADV_DVC_VAR *adv_dvc_varp;
- char *busname;
- char *widename = NULL;
+ printk("ASC_DVC_VAR at addr 0x%lx\n", (ulong)h);
- boardp = ASC_BOARDP(shost);
- if (ASC_NARROW_BOARD(boardp)) {
- asc_dvc_varp = &boardp->dvc_var.asc_dvc_var;
- ASC_DBG(1, "advansys_info: begin\n");
- if (asc_dvc_varp->bus_type & ASC_IS_ISA) {
- if ((asc_dvc_varp->bus_type & ASC_IS_ISAPNP) ==
- ASC_IS_ISAPNP) {
- busname = "ISA PnP";
- } else {
- busname = "ISA";
- }
- sprintf(info,
- "AdvanSys SCSI %s: %s: IO 0x%lX-0x%lX, IRQ 0x%X, DMA 0x%X",
- ASC_VERSION, busname,
- (ulong)shost->io_port,
- (ulong)shost->io_port + ASC_IOADR_GAP - 1,
- shost->irq, shost->dma_channel);
- } else {
- if (asc_dvc_varp->bus_type & ASC_IS_VL) {
- busname = "VL";
- } else if (asc_dvc_varp->bus_type & ASC_IS_EISA) {
- busname = "EISA";
- } else if (asc_dvc_varp->bus_type & ASC_IS_PCI) {
- if ((asc_dvc_varp->bus_type & ASC_IS_PCI_ULTRA)
- == ASC_IS_PCI_ULTRA) {
- busname = "PCI Ultra";
- } else {
- busname = "PCI";
- }
- } else {
- busname = "?";
- ASC_PRINT2("advansys_info: board %d: unknown "
- "bus type %d\n", boardp->id,
- asc_dvc_varp->bus_type);
- }
- sprintf(info,
- "AdvanSys SCSI %s: %s: IO 0x%lX-0x%lX, IRQ 0x%X",
- ASC_VERSION, busname, (ulong)shost->io_port,
- (ulong)shost->io_port + ASC_IOADR_GAP - 1,
- shost->irq);
- }
- } else {
- /*
- * Wide Adapter Information
- *
- * Memory-mapped I/O is used instead of I/O space to access
- * the adapter, but display the I/O Port range. The Memory
- * I/O address is displayed through the driver /proc file.
- */
- adv_dvc_varp = &boardp->dvc_var.adv_dvc_var;
- if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
- widename = "Ultra-Wide";
- } else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) {
- widename = "Ultra2-Wide";
- } else {
- widename = "Ultra3-Wide";
- }
- sprintf(info,
- "AdvanSys SCSI %s: PCI %s: PCIMEM 0x%lX-0x%lX, IRQ 0x%X",
- ASC_VERSION, widename, (ulong)adv_dvc_varp->iop_base,
- (ulong)adv_dvc_varp->iop_base + boardp->asc_n_io_port - 1, shost->irq);
- }
- BUG_ON(strlen(info) >= ASC_INFO_SIZE);
- ASC_DBG(1, "advansys_info: end\n");
- return info;
+ printk(" iop_base 0x%x, err_code 0x%x, dvc_cntl 0x%x, bug_fix_cntl "
+ "%d,\n", h->iop_base, h->err_code, h->dvc_cntl, h->bug_fix_cntl);
+
+ printk(" bus_type %d, init_sdtr 0x%x,\n", h->bus_type,
+ (unsigned)h->init_sdtr);
+
+ printk(" sdtr_done 0x%x, use_tagged_qng 0x%x, unit_not_ready 0x%x, "
+ "chip_no 0x%x,\n", (unsigned)h->sdtr_done,
+ (unsigned)h->use_tagged_qng, (unsigned)h->unit_not_ready,
+ (unsigned)h->chip_no);
+
+ printk(" queue_full_or_busy 0x%x, start_motor 0x%x, scsi_reset_wait "
+ "%u,\n", (unsigned)h->queue_full_or_busy,
+ (unsigned)h->start_motor, (unsigned)h->scsi_reset_wait);
+
+ printk(" is_in_int %u, max_total_qng %u, cur_total_qng %u, "
+ "in_critical_cnt %u,\n", (unsigned)h->is_in_int,
+ (unsigned)h->max_total_qng, (unsigned)h->cur_total_qng,
+ (unsigned)h->in_critical_cnt);
+
+ printk(" last_q_shortage %u, init_state 0x%x, no_scam 0x%x, "
+ "pci_fix_asyn_xfer 0x%x,\n", (unsigned)h->last_q_shortage,
+ (unsigned)h->init_state, (unsigned)h->no_scam,
+ (unsigned)h->pci_fix_asyn_xfer);
+
+ printk(" cfg 0x%lx, irq_no 0x%x\n", (ulong)h->cfg, (unsigned)h->irq_no);
}
-static void asc_scsi_done(struct scsi_cmnd *scp)
+/*
+ * asc_prt_asc_dvc_cfg()
+ */
+static void asc_prt_asc_dvc_cfg(ASC_DVC_CFG *h)
{
- struct asc_board *boardp = ASC_BOARDP(scp->device->host);
+ printk("ASC_DVC_CFG at addr 0x%lx\n", (ulong)h);
- if (scp->use_sg)
- dma_unmap_sg(boardp->dev,
- (struct scatterlist *)scp->request_buffer,
- scp->use_sg, scp->sc_data_direction);
- else if (scp->request_bufflen)
- dma_unmap_single(boardp->dev, scp->SCp.dma_handle,
- scp->request_bufflen, scp->sc_data_direction);
+ printk(" can_tagged_qng 0x%x, cmd_qng_enabled 0x%x,\n",
+ h->can_tagged_qng, h->cmd_qng_enabled);
+ printk(" disc_enable 0x%x, sdtr_enable 0x%x,\n",
+ h->disc_enable, h->sdtr_enable);
- ASC_STATS(scp->device->host, done);
+ printk
+ (" chip_scsi_id %d, isa_dma_speed %d, isa_dma_channel %d, chip_version %d,\n",
+ h->chip_scsi_id, h->isa_dma_speed, h->isa_dma_channel,
+ h->chip_version);
- scp->scsi_done(scp);
+ printk
+ (" pci_device_id %d, lib_serial_no %u, lib_version %u, mcode_date 0x%x,\n",
+ to_pci_dev(h->dev)->device, h->lib_serial_no, h->lib_version,
+ h->mcode_date);
+
+ printk(" mcode_version %d, overrun_buf 0x%lx\n",
+ h->mcode_version, (ulong)h->overrun_buf);
}
/*
- * advansys_queuecommand() - interrupt-driven I/O entrypoint.
- *
- * This function always returns 0. Command return status is saved
- * in the 'scp' result field.
+ * asc_prt_asc_scsi_q()
*/
-static int
-advansys_queuecommand(struct scsi_cmnd *scp, void (*done)(struct scsi_cmnd *))
+static void asc_prt_asc_scsi_q(ASC_SCSI_Q *q)
{
- struct Scsi_Host *shost = scp->device->host;
- asc_board_t *boardp = ASC_BOARDP(shost);
- unsigned long flags;
- int asc_res, result = 0;
+ ASC_SG_HEAD *sgp;
+ int i;
- ASC_STATS(shost, queuecommand);
- scp->scsi_done = done;
+ printk("ASC_SCSI_Q at addr 0x%lx\n", (ulong)q);
- /*
- * host_lock taken by mid-level prior to call, but need
- * to protect against own ISR
- */
- spin_lock_irqsave(&boardp->lock, flags);
- asc_res = asc_execute_scsi_cmnd(scp);
- spin_unlock_irqrestore(&boardp->lock, flags);
+ printk
+ (" target_ix 0x%x, target_lun %u, srb_ptr 0x%lx, tag_code 0x%x,\n",
+ q->q2.target_ix, q->q1.target_lun, (ulong)q->q2.srb_ptr,
+ q->q2.tag_code);
+
+ printk
+ (" data_addr 0x%lx, data_cnt %lu, sense_addr 0x%lx, sense_len %u,\n",
+ (ulong)le32_to_cpu(q->q1.data_addr),
+ (ulong)le32_to_cpu(q->q1.data_cnt),
+ (ulong)le32_to_cpu(q->q1.sense_addr), q->q1.sense_len);
+
+ printk(" cdbptr 0x%lx, cdb_len %u, sg_head 0x%lx, sg_queue_cnt %u\n",
+ (ulong)q->cdbptr, q->q2.cdb_len,
+ (ulong)q->sg_head, q->q1.sg_queue_cnt);
+
+ if (q->sg_head) {
+ sgp = q->sg_head;
+ printk("ASC_SG_HEAD at addr 0x%lx\n", (ulong)sgp);
+ printk(" entry_cnt %u, queue_cnt %u\n", sgp->entry_cnt,
+ sgp->queue_cnt);
+ for (i = 0; i < sgp->entry_cnt; i++) {
+ printk(" [%u]: addr 0x%lx, bytes %lu\n",
+ i, (ulong)le32_to_cpu(sgp->sg_list[i].addr),
+ (ulong)le32_to_cpu(sgp->sg_list[i].bytes));
+ }
- switch (asc_res) {
- case ASC_NOERROR:
- break;
- case ASC_BUSY:
- result = SCSI_MLQUEUE_HOST_BUSY;
- break;
- case ASC_ERROR:
- default:
- asc_scsi_done(scp);
- break;
}
+}
- return result;
+/*
+ * asc_prt_asc_qdone_info()
+ */
+static void asc_prt_asc_qdone_info(ASC_QDONE_INFO *q)
+{
+ printk("ASC_QDONE_INFO at addr 0x%lx\n", (ulong)q);
+ printk(" srb_ptr 0x%lx, target_ix %u, cdb_len %u, tag_code %u,\n",
+ (ulong)q->d2.srb_ptr, q->d2.target_ix, q->d2.cdb_len,
+ q->d2.tag_code);
+ printk
+ (" done_stat 0x%x, host_stat 0x%x, scsi_stat 0x%x, scsi_msg 0x%x\n",
+ q->d3.done_stat, q->d3.host_stat, q->d3.scsi_stat, q->d3.scsi_msg);
}
/*
- * advansys_reset()
- *
- * Reset the bus associated with the command 'scp'.
+ * asc_prt_adv_dvc_var()
*
- * This function runs its own thread. Interrupts must be blocked but
- * sleeping is allowed and no locking other than for host structures is
- * required. Returns SUCCESS or FAILED.
+ * Display an ADV_DVC_VAR structure.
*/
-static int advansys_reset(struct scsi_cmnd *scp)
+static void asc_prt_adv_dvc_var(ADV_DVC_VAR *h)
{
- struct Scsi_Host *shost;
- asc_board_t *boardp;
- ASC_DVC_VAR *asc_dvc_varp;
- ADV_DVC_VAR *adv_dvc_varp;
- ulong flags;
- int status;
- int ret = SUCCESS;
+ printk(" ADV_DVC_VAR at addr 0x%lx\n", (ulong)h);
- ASC_DBG1(1, "advansys_reset: 0x%lx\n", (ulong)scp);
+ printk(" iop_base 0x%lx, err_code 0x%x, ultra_able 0x%x\n",
+ (ulong)h->iop_base, h->err_code, (unsigned)h->ultra_able);
-#ifdef ADVANSYS_STATS
- if (scp->device->host != NULL) {
- ASC_STATS(scp->device->host, reset);
- }
-#endif /* ADVANSYS_STATS */
+ printk(" isr_callback 0x%lx, sdtr_able 0x%x, wdtr_able 0x%x\n",
+ (ulong)h->isr_callback, (unsigned)h->sdtr_able,
+ (unsigned)h->wdtr_able);
- if ((shost = scp->device->host) == NULL) {
- scp->result = HOST_BYTE(DID_ERROR);
- return FAILED;
- }
+ printk(" start_motor 0x%x, scsi_reset_wait 0x%x, irq_no 0x%x,\n",
+ (unsigned)h->start_motor,
+ (unsigned)h->scsi_reset_wait, (unsigned)h->irq_no);
- boardp = ASC_BOARDP(shost);
+ printk(" max_host_qng %u, max_dvc_qng %u, carr_freelist 0x%lxn\n",
+ (unsigned)h->max_host_qng, (unsigned)h->max_dvc_qng,
+ (ulong)h->carr_freelist);
- ASC_PRINT1("advansys_reset: board %d: SCSI bus reset started...\n",
- boardp->id);
- /*
- * Check for re-entrancy.
- */
- spin_lock_irqsave(&boardp->lock, flags);
- if (boardp->flags & ASC_HOST_IN_RESET) {
- spin_unlock_irqrestore(&boardp->lock, flags);
- return FAILED;
- }
- boardp->flags |= ASC_HOST_IN_RESET;
- spin_unlock_irqrestore(&boardp->lock, flags);
+ printk(" icq_sp 0x%lx, irq_sp 0x%lx\n",
+ (ulong)h->icq_sp, (ulong)h->irq_sp);
- if (ASC_NARROW_BOARD(boardp)) {
- /*
- * Narrow Board
- */
- asc_dvc_varp = &boardp->dvc_var.asc_dvc_var;
+ printk(" no_scam 0x%x, tagqng_able 0x%x\n",
+ (unsigned)h->no_scam, (unsigned)h->tagqng_able);
- /*
- * Reset the chip and SCSI bus.
- */
- ASC_DBG(1, "advansys_reset: before AscInitAsc1000Driver()\n");
- status = AscInitAsc1000Driver(asc_dvc_varp);
-
- /* Refer to ASC_IERR_* defintions for meaning of 'err_code'. */
- if (asc_dvc_varp->err_code) {
- ASC_PRINT2("advansys_reset: board %d: SCSI bus reset "
- "error: 0x%x\n", boardp->id,
- asc_dvc_varp->err_code);
- ret = FAILED;
- } else if (status) {
- ASC_PRINT2("advansys_reset: board %d: SCSI bus reset "
- "warning: 0x%x\n", boardp->id, status);
- } else {
- ASC_PRINT1("advansys_reset: board %d: SCSI bus reset "
- "successful.\n", boardp->id);
- }
-
- ASC_DBG(1, "advansys_reset: after AscInitAsc1000Driver()\n");
- spin_lock_irqsave(&boardp->lock, flags);
-
- } else {
- /*
- * Wide Board
- *
- * If the suggest reset bus flags are set, then reset the bus.
- * Otherwise only reset the device.
- */
- adv_dvc_varp = &boardp->dvc_var.adv_dvc_var;
+ printk(" chip_scsi_id 0x%x, cfg 0x%lx\n",
+ (unsigned)h->chip_scsi_id, (ulong)h->cfg);
+}
- /*
- * Reset the target's SCSI bus.
- */
- ASC_DBG(1, "advansys_reset: before AdvResetChipAndSB()\n");
- switch (AdvResetChipAndSB(adv_dvc_varp)) {
- case ASC_TRUE:
- ASC_PRINT1("advansys_reset: board %d: SCSI bus reset "
- "successful.\n", boardp->id);
- break;
- case ASC_FALSE:
- default:
- ASC_PRINT1("advansys_reset: board %d: SCSI bus reset "
- "error.\n", boardp->id);
- ret = FAILED;
- break;
- }
- spin_lock_irqsave(&boardp->lock, flags);
- (void)AdvISR(adv_dvc_varp);
- }
- /* Board lock is held. */
+/*
+ * asc_prt_adv_dvc_cfg()
+ *
+ * Display an ADV_DVC_CFG structure.
+ */
+static void asc_prt_adv_dvc_cfg(ADV_DVC_CFG *h)
+{
+ printk(" ADV_DVC_CFG at addr 0x%lx\n", (ulong)h);
- /* Save the time of the most recently completed reset. */
- boardp->last_reset = jiffies;
+ printk(" disc_enable 0x%x, termination 0x%x\n",
+ h->disc_enable, h->termination);
- /* Clear reset flag. */
- boardp->flags &= ~ASC_HOST_IN_RESET;
- spin_unlock_irqrestore(&boardp->lock, flags);
+ printk(" chip_version 0x%x, mcode_date 0x%x\n",
+ h->chip_version, h->mcode_date);
- ASC_DBG1(1, "advansys_reset: ret %d\n", ret);
+ printk(" mcode_version 0x%x, pci_device_id 0x%x, lib_version %u\n",
+ h->mcode_version, to_pci_dev(h->dev)->device, h->lib_version);
- return ret;
+ printk(" control_flag 0x%x\n", h->control_flag);
}
/*
- * advansys_biosparam()
- *
- * Translate disk drive geometry if the "BIOS greater than 1 GB"
- * support is enabled for a drive.
+ * asc_prt_adv_scsi_req_q()
*
- * ip (information pointer) is an int array with the following definition:
- * ip[0]: heads
- * ip[1]: sectors
- * ip[2]: cylinders
+ * Display an ADV_SCSI_REQ_Q structure.
*/
-static int
-advansys_biosparam(struct scsi_device *sdev, struct block_device *bdev,
- sector_t capacity, int ip[])
+static void asc_prt_adv_scsi_req_q(ADV_SCSI_REQ_Q *q)
{
- asc_board_t *boardp;
+ int sg_blk_cnt;
+ struct asc_sg_block *sg_ptr;
- ASC_DBG(1, "advansys_biosparam: begin\n");
- ASC_STATS(sdev->host, biosparam);
- boardp = ASC_BOARDP(sdev->host);
- if (ASC_NARROW_BOARD(boardp)) {
- if ((boardp->dvc_var.asc_dvc_var.dvc_cntl &
- ASC_CNTL_BIOS_GT_1GB) && capacity > 0x200000) {
- ip[0] = 255;
- ip[1] = 63;
- } else {
- ip[0] = 64;
- ip[1] = 32;
- }
- } else {
- if ((boardp->dvc_var.adv_dvc_var.bios_ctrl &
- BIOS_CTRL_EXTENDED_XLAT) && capacity > 0x200000) {
- ip[0] = 255;
- ip[1] = 63;
- } else {
- ip[0] = 64;
- ip[1] = 32;
+ printk("ADV_SCSI_REQ_Q at addr 0x%lx\n", (ulong)q);
+
+ printk(" target_id %u, target_lun %u, srb_ptr 0x%lx, a_flag 0x%x\n",
+ q->target_id, q->target_lun, (ulong)q->srb_ptr, q->a_flag);
+
+ printk(" cntl 0x%x, data_addr 0x%lx, vdata_addr 0x%lx\n",
+ q->cntl, (ulong)le32_to_cpu(q->data_addr), (ulong)q->vdata_addr);
+
+ printk(" data_cnt %lu, sense_addr 0x%lx, sense_len %u,\n",
+ (ulong)le32_to_cpu(q->data_cnt),
+ (ulong)le32_to_cpu(q->sense_addr), q->sense_len);
+
+ printk
+ (" cdb_len %u, done_status 0x%x, host_status 0x%x, scsi_status 0x%x\n",
+ q->cdb_len, q->done_status, q->host_status, q->scsi_status);
+
+ printk(" sg_working_ix 0x%x, target_cmd %u\n",
+ q->sg_working_ix, q->target_cmd);
+
+ printk(" scsiq_rptr 0x%lx, sg_real_addr 0x%lx, sg_list_ptr 0x%lx\n",
+ (ulong)le32_to_cpu(q->scsiq_rptr),
+ (ulong)le32_to_cpu(q->sg_real_addr), (ulong)q->sg_list_ptr);
+
+ /* Display the request's ADV_SG_BLOCK structures. */
+ if (q->sg_list_ptr != NULL) {
+ sg_blk_cnt = 0;
+ while (1) {
+ /*
+ * 'sg_ptr' is a physical address. Convert it to a virtual
+ * address by indexing 'sg_blk_cnt' into the virtual address
+ * array 'sg_list_ptr'.
+ *
+ * XXX - Assumes all SG physical blocks are virtually contiguous.
+ */
+ sg_ptr =
+ &(((ADV_SG_BLOCK *)(q->sg_list_ptr))[sg_blk_cnt]);
+ asc_prt_adv_sgblock(sg_blk_cnt, sg_ptr);
+ if (sg_ptr->sg_ptr == 0) {
+ break;
+ }
+ sg_blk_cnt++;
}
}
- ip[2] = (unsigned long)capacity / (ip[0] * ip[1]);
- ASC_DBG(1, "advansys_biosparam: end\n");
- return 0;
}
-static struct scsi_host_template advansys_template = {
- .proc_name = DRV_NAME,
-#ifdef CONFIG_PROC_FS
- .proc_info = advansys_proc_info,
-#endif
- .name = DRV_NAME,
- .info = advansys_info,
- .queuecommand = advansys_queuecommand,
- .eh_bus_reset_handler = advansys_reset,
- .bios_param = advansys_biosparam,
- .slave_configure = advansys_slave_configure,
- /*
- * Because the driver may control an ISA adapter 'unchecked_isa_dma'
- * must be set. The flag will be cleared in advansys_board_found
- * for non-ISA adapters.
- */
- .unchecked_isa_dma = 1,
- /*
- * All adapters controlled by this driver are capable of large
- * scatter-gather lists. According to the mid-level SCSI documentation
- * this obviates any performance gain provided by setting
- * 'use_clustering'. But empirically while CPU utilization is increased
- * by enabling clustering, I/O throughput increases as well.
- */
- .use_clustering = ENABLE_CLUSTERING,
-};
-
/*
- * First-level interrupt handler.
+ * asc_prt_adv_sgblock()
*
- * 'dev_id' is a pointer to the interrupting adapter's Scsi_Host.
+ * Display an ADV_SG_BLOCK structure.
*/
-static irqreturn_t advansys_interrupt(int irq, void *dev_id)
+static void asc_prt_adv_sgblock(int sgblockno, ADV_SG_BLOCK *b)
{
- unsigned long flags;
- struct Scsi_Host *shost = dev_id;
- asc_board_t *boardp = ASC_BOARDP(shost);
- irqreturn_t result = IRQ_NONE;
+ int i;
- ASC_DBG1(2, "advansys_interrupt: boardp 0x%p\n", boardp);
- spin_lock_irqsave(&boardp->lock, flags);
- if (ASC_NARROW_BOARD(boardp)) {
- if (AscIsIntPending(shost->io_port)) {
- result = IRQ_HANDLED;
- ASC_STATS(shost, interrupt);
- ASC_DBG(1, "advansys_interrupt: before AscISR()\n");
- AscISR(&boardp->dvc_var.asc_dvc_var);
- }
- } else {
- ASC_DBG(1, "advansys_interrupt: before AdvISR()\n");
- if (AdvISR(&boardp->dvc_var.adv_dvc_var)) {
- result = IRQ_HANDLED;
- ASC_STATS(shost, interrupt);
- }
+ printk(" ASC_SG_BLOCK at addr 0x%lx (sgblockno %d)\n",
+ (ulong)b, sgblockno);
+ printk(" sg_cnt %u, sg_ptr 0x%lx\n",
+ b->sg_cnt, (ulong)le32_to_cpu(b->sg_ptr));
+ BUG_ON(b->sg_cnt > NO_OF_SG_PER_BLOCK);
+ if (b->sg_ptr != 0)
+ BUG_ON(b->sg_cnt != NO_OF_SG_PER_BLOCK);
+ for (i = 0; i < b->sg_cnt; i++) {
+ printk(" [%u]: sg_addr 0x%lx, sg_count 0x%lx\n",
+ i, (ulong)b->sg_list[i].sg_addr,
+ (ulong)b->sg_list[i].sg_count);
}
- spin_unlock_irqrestore(&boardp->lock, flags);
-
- ASC_DBG(1, "advansys_interrupt: end\n");
- return result;
}
-static void
-advansys_narrow_slave_configure(struct scsi_device *sdev, ASC_DVC_VAR *asc_dvc)
+/*
+ * asc_prt_hex()
+ *
+ * Print hexadecimal output in 4 byte groupings 32 bytes
+ * or 8 double-words per line.
+ */
+static void asc_prt_hex(char *f, uchar *s, int l)
{
- ASC_SCSI_BIT_ID_TYPE tid_bit = 1 << sdev->id;
- ASC_SCSI_BIT_ID_TYPE orig_use_tagged_qng = asc_dvc->use_tagged_qng;
+ int i;
+ int j;
+ int k;
+ int m;
- if (sdev->lun == 0) {
- ASC_SCSI_BIT_ID_TYPE orig_init_sdtr = asc_dvc->init_sdtr;
- if ((asc_dvc->cfg->sdtr_enable & tid_bit) && sdev->sdtr) {
- asc_dvc->init_sdtr |= tid_bit;
+ printk("%s: (%d bytes)\n", f, l);
+
+ for (i = 0; i < l; i += 32) {
+
+ /* Display a maximum of 8 double-words per line. */
+ if ((k = (l - i) / 4) >= 8) {
+ k = 8;
+ m = 0;
} else {
- asc_dvc->init_sdtr &= ~tid_bit;
+ m = (l - i) % 4;
}
- if (orig_init_sdtr != asc_dvc->init_sdtr)
- AscAsyncFix(asc_dvc, sdev);
- }
-
- if (sdev->tagged_supported) {
- if (asc_dvc->cfg->cmd_qng_enabled & tid_bit) {
- if (sdev->lun == 0) {
- asc_dvc->cfg->can_tagged_qng |= tid_bit;
- asc_dvc->use_tagged_qng |= tid_bit;
- }
- scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG,
- asc_dvc->max_dvc_qng[sdev->id]);
- }
- } else {
- if (sdev->lun == 0) {
- asc_dvc->cfg->can_tagged_qng &= ~tid_bit;
- asc_dvc->use_tagged_qng &= ~tid_bit;
+ for (j = 0; j < k; j++) {
+ printk(" %2.2X%2.2X%2.2X%2.2X",
+ (unsigned)s[i + (j * 4)],
+ (unsigned)s[i + (j * 4) + 1],
+ (unsigned)s[i + (j * 4) + 2],
+ (unsigned)s[i + (j * 4) + 3]);
}
- scsi_adjust_queue_depth(sdev, 0, sdev->host->cmd_per_lun);
- }
- if ((sdev->lun == 0) &&
- (orig_use_tagged_qng != asc_dvc->use_tagged_qng)) {
- AscWriteLramByte(asc_dvc->iop_base, ASCV_DISC_ENABLE_B,
- asc_dvc->cfg->disc_enable);
- AscWriteLramByte(asc_dvc->iop_base, ASCV_USE_TAGGED_QNG_B,
- asc_dvc->use_tagged_qng);
- AscWriteLramByte(asc_dvc->iop_base, ASCV_CAN_TAGGED_QNG_B,
- asc_dvc->cfg->can_tagged_qng);
+ switch (m) {
+ case 0:
+ default:
+ break;
+ case 1:
+ printk(" %2.2X", (unsigned)s[i + (j * 4)]);
+ break;
+ case 2:
+ printk(" %2.2X%2.2X",
+ (unsigned)s[i + (j * 4)],
+ (unsigned)s[i + (j * 4) + 1]);
+ break;
+ case 3:
+ printk(" %2.2X%2.2X%2.2X",
+ (unsigned)s[i + (j * 4) + 1],
+ (unsigned)s[i + (j * 4) + 2],
+ (unsigned)s[i + (j * 4) + 3]);
+ break;
+ }
- asc_dvc->max_dvc_qng[sdev->id] =
- asc_dvc->cfg->max_tag_qng[sdev->id];
- AscWriteLramByte(asc_dvc->iop_base,
- (ushort)(ASCV_MAX_DVC_QNG_BEG + sdev->id),
- asc_dvc->max_dvc_qng[sdev->id]);
+ printk("\n");
}
}
+#endif /* ADVANSYS_DEBUG */
/*
- * Wide Transfers
+ * advansys_info()
*
- * If the EEPROM enabled WDTR for the device and the device supports wide
- * bus (16 bit) transfers, then turn on the device's 'wdtr_able' bit and
- * write the new value to the microcode.
+ * Return suitable for printing on the console with the argument
+ * adapter's configuration information.
+ *
+ * Note: The information line should not exceed ASC_INFO_SIZE bytes,
+ * otherwise the static 'info' array will be overrun.
*/
-static void
-advansys_wide_enable_wdtr(AdvPortAddr iop_base, unsigned short tidmask)
+static const char *advansys_info(struct Scsi_Host *shost)
{
- unsigned short cfg_word;
- AdvReadWordLram(iop_base, ASC_MC_WDTR_ABLE, cfg_word);
- if ((cfg_word & tidmask) != 0)
- return;
-
- cfg_word |= tidmask;
- AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE, cfg_word);
+ static char info[ASC_INFO_SIZE];
+ asc_board_t *boardp;
+ ASC_DVC_VAR *asc_dvc_varp;
+ ADV_DVC_VAR *adv_dvc_varp;
+ char *busname;
+ char *widename = NULL;
- /*
- * Clear the microcode SDTR and WDTR negotiation done indicators for
- * the target to cause it to negotiate with the new setting set above.
- * WDTR when accepted causes the target to enter asynchronous mode, so
- * SDTR must be negotiated.
- */
- AdvReadWordLram(iop_base, ASC_MC_SDTR_DONE, cfg_word);
- cfg_word &= ~tidmask;
- AdvWriteWordLram(iop_base, ASC_MC_SDTR_DONE, cfg_word);
- AdvReadWordLram(iop_base, ASC_MC_WDTR_DONE, cfg_word);
- cfg_word &= ~tidmask;
- AdvWriteWordLram(iop_base, ASC_MC_WDTR_DONE, cfg_word);
+ boardp = ASC_BOARDP(shost);
+ if (ASC_NARROW_BOARD(boardp)) {
+ asc_dvc_varp = &boardp->dvc_var.asc_dvc_var;
+ ASC_DBG(1, "advansys_info: begin\n");
+ if (asc_dvc_varp->bus_type & ASC_IS_ISA) {
+ if ((asc_dvc_varp->bus_type & ASC_IS_ISAPNP) ==
+ ASC_IS_ISAPNP) {
+ busname = "ISA PnP";
+ } else {
+ busname = "ISA";
+ }
+ sprintf(info,
+ "AdvanSys SCSI %s: %s: IO 0x%lX-0x%lX, IRQ 0x%X, DMA 0x%X",
+ ASC_VERSION, busname,
+ (ulong)shost->io_port,
+ (ulong)shost->io_port + ASC_IOADR_GAP - 1,
+ shost->irq, shost->dma_channel);
+ } else {
+ if (asc_dvc_varp->bus_type & ASC_IS_VL) {
+ busname = "VL";
+ } else if (asc_dvc_varp->bus_type & ASC_IS_EISA) {
+ busname = "EISA";
+ } else if (asc_dvc_varp->bus_type & ASC_IS_PCI) {
+ if ((asc_dvc_varp->bus_type & ASC_IS_PCI_ULTRA)
+ == ASC_IS_PCI_ULTRA) {
+ busname = "PCI Ultra";
+ } else {
+ busname = "PCI";
+ }
+ } else {
+ busname = "?";
+ ASC_PRINT2("advansys_info: board %d: unknown "
+ "bus type %d\n", boardp->id,
+ asc_dvc_varp->bus_type);
+ }
+ sprintf(info,
+ "AdvanSys SCSI %s: %s: IO 0x%lX-0x%lX, IRQ 0x%X",
+ ASC_VERSION, busname, (ulong)shost->io_port,
+ (ulong)shost->io_port + ASC_IOADR_GAP - 1,
+ shost->irq);
+ }
+ } else {
+ /*
+ * Wide Adapter Information
+ *
+ * Memory-mapped I/O is used instead of I/O space to access
+ * the adapter, but display the I/O Port range. The Memory
+ * I/O address is displayed through the driver /proc file.
+ */
+ adv_dvc_varp = &boardp->dvc_var.adv_dvc_var;
+ if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
+ widename = "Ultra-Wide";
+ } else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) {
+ widename = "Ultra2-Wide";
+ } else {
+ widename = "Ultra3-Wide";
+ }
+ sprintf(info,
+ "AdvanSys SCSI %s: PCI %s: PCIMEM 0x%lX-0x%lX, IRQ 0x%X",
+ ASC_VERSION, widename, (ulong)adv_dvc_varp->iop_base,
+ (ulong)adv_dvc_varp->iop_base + boardp->asc_n_io_port - 1, shost->irq);
+ }
+ BUG_ON(strlen(info) >= ASC_INFO_SIZE);
+ ASC_DBG(1, "advansys_info: end\n");
+ return info;
}
+#ifdef CONFIG_PROC_FS
/*
- * Synchronous Transfers
+ * asc_prt_line()
*
- * If the EEPROM enabled SDTR for the device and the device
- * supports synchronous transfers, then turn on the device's
- * 'sdtr_able' bit. Write the new value to the microcode.
+ * If 'cp' is NULL print to the console, otherwise print to a buffer.
+ *
+ * Return 0 if printing to the console, otherwise return the number of
+ * bytes written to the buffer.
+ *
+ * Note: If any single line is greater than ASC_PRTLINE_SIZE bytes the stack
+ * will be corrupted. 's[]' is defined to be ASC_PRTLINE_SIZE bytes.
*/
-static void
-advansys_wide_enable_sdtr(AdvPortAddr iop_base, unsigned short tidmask)
+static int asc_prt_line(char *buf, int buflen, char *fmt, ...)
{
- unsigned short cfg_word;
- AdvReadWordLram(iop_base, ASC_MC_SDTR_ABLE, cfg_word);
- if ((cfg_word & tidmask) != 0)
- return;
-
- cfg_word |= tidmask;
- AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE, cfg_word);
+ va_list args;
+ int ret;
+ char s[ASC_PRTLINE_SIZE];
- /*
- * Clear the microcode "SDTR negotiation" done indicator for the
- * target to cause it to negotiate with the new setting set above.
- */
- AdvReadWordLram(iop_base, ASC_MC_SDTR_DONE, cfg_word);
- cfg_word &= ~tidmask;
- AdvWriteWordLram(iop_base, ASC_MC_SDTR_DONE, cfg_word);
+ va_start(args, fmt);
+ ret = vsprintf(s, fmt, args);
+ BUG_ON(ret >= ASC_PRTLINE_SIZE);
+ if (buf == NULL) {
+ (void)printk(s);
+ ret = 0;
+ } else {
+ ret = min(buflen, ret);
+ memcpy(buf, s, ret);
+ }
+ va_end(args);
+ return ret;
}
/*
- * PPR (Parallel Protocol Request) Capable
+ * asc_prt_board_devices()
*
- * If the device supports DT mode, then it must be PPR capable.
- * The PPR message will be used in place of the SDTR and WDTR
- * messages to negotiate synchronous speed and offset, transfer
- * width, and protocol options.
+ * Print driver information for devices attached to the board.
+ *
+ * Note: no single line should be greater than ASC_PRTLINE_SIZE,
+ * cf. asc_prt_line().
+ *
+ * Return the number of characters copied into 'cp'. No more than
+ * 'cplen' characters will be copied to 'cp'.
*/
-static void advansys_wide_enable_ppr(ADV_DVC_VAR *adv_dvc,
- AdvPortAddr iop_base, unsigned short tidmask)
-{
- AdvReadWordLram(iop_base, ASC_MC_PPR_ABLE, adv_dvc->ppr_able);
- adv_dvc->ppr_able |= tidmask;
- AdvWriteWordLram(iop_base, ASC_MC_PPR_ABLE, adv_dvc->ppr_able);
-}
-
-static void
-advansys_wide_slave_configure(struct scsi_device *sdev, ADV_DVC_VAR *adv_dvc)
+static int asc_prt_board_devices(struct Scsi_Host *shost, char *cp, int cplen)
{
- AdvPortAddr iop_base = adv_dvc->iop_base;
- unsigned short tidmask = 1 << sdev->id;
+ asc_board_t *boardp;
+ int leftlen;
+ int totlen;
+ int len;
+ int chip_scsi_id;
+ int i;
- if (sdev->lun == 0) {
- /*
- * Handle WDTR, SDTR, and Tag Queuing. If the feature
- * is enabled in the EEPROM and the device supports the
- * feature, then enable it in the microcode.
- */
+ boardp = ASC_BOARDP(shost);
+ leftlen = cplen;
+ totlen = len = 0;
- if ((adv_dvc->wdtr_able & tidmask) && sdev->wdtr)
- advansys_wide_enable_wdtr(iop_base, tidmask);
- if ((adv_dvc->sdtr_able & tidmask) && sdev->sdtr)
- advansys_wide_enable_sdtr(iop_base, tidmask);
- if (adv_dvc->chip_type == ADV_CHIP_ASC38C1600 && sdev->ppr)
- advansys_wide_enable_ppr(adv_dvc, iop_base, tidmask);
+ len = asc_prt_line(cp, leftlen,
+ "\nDevice Information for AdvanSys SCSI Host %d:\n",
+ shost->host_no);
+ ASC_PRT_NEXT();
- /*
- * Tag Queuing is disabled for the BIOS which runs in polled
- * mode and would see no benefit from Tag Queuing. Also by
- * disabling Tag Queuing in the BIOS devices with Tag Queuing
- * bugs will at least work with the BIOS.
- */
- if ((adv_dvc->tagqng_able & tidmask) &&
- sdev->tagged_supported) {
- unsigned short cfg_word;
- AdvReadWordLram(iop_base, ASC_MC_TAGQNG_ABLE, cfg_word);
- cfg_word |= tidmask;
- AdvWriteWordLram(iop_base, ASC_MC_TAGQNG_ABLE,
- cfg_word);
- AdvWriteByteLram(iop_base,
- ASC_MC_NUMBER_OF_MAX_CMD + sdev->id,
- adv_dvc->max_dvc_qng);
- }
+ if (ASC_NARROW_BOARD(boardp)) {
+ chip_scsi_id = boardp->dvc_cfg.asc_dvc_cfg.chip_scsi_id;
+ } else {
+ chip_scsi_id = boardp->dvc_var.adv_dvc_var.chip_scsi_id;
}
- if ((adv_dvc->tagqng_able & tidmask) && sdev->tagged_supported) {
- scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG,
- adv_dvc->max_dvc_qng);
- } else {
- scsi_adjust_queue_depth(sdev, 0, sdev->host->cmd_per_lun);
+ len = asc_prt_line(cp, leftlen, "Target IDs Detected:");
+ ASC_PRT_NEXT();
+ for (i = 0; i <= ADV_MAX_TID; i++) {
+ if (boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) {
+ len = asc_prt_line(cp, leftlen, " %X,", i);
+ ASC_PRT_NEXT();
+ }
}
+ len = asc_prt_line(cp, leftlen, " (%X=Host Adapter)\n", chip_scsi_id);
+ ASC_PRT_NEXT();
+
+ return totlen;
}
/*
- * Set the number of commands to queue per device for the
- * specified host adapter.
+ * Display Wide Board BIOS Information.
*/
-static int advansys_slave_configure(struct scsi_device *sdev)
+static int asc_prt_adv_bios(struct Scsi_Host *shost, char *cp, int cplen)
{
- asc_board_t *boardp = ASC_BOARDP(sdev->host);
- boardp->flags |= ASC_SELECT_QUEUE_DEPTHS;
+ asc_board_t *boardp;
+ int leftlen;
+ int totlen;
+ int len;
+ ushort major, minor, letter;
+
+ boardp = ASC_BOARDP(shost);
+ leftlen = cplen;
+ totlen = len = 0;
+
+ len = asc_prt_line(cp, leftlen, "\nROM BIOS Version: ");
+ ASC_PRT_NEXT();
/*
- * Save a pointer to the sdev and set its initial/maximum
- * queue depth. Only save the pointer for a lun0 dev though.
+ * If the BIOS saved a valid signature, then fill in
+ * the BIOS code segment base address.
*/
- if (sdev->lun == 0)
- boardp->device[sdev->id] = sdev;
+ if (boardp->bios_signature != 0x55AA) {
+ len = asc_prt_line(cp, leftlen, "Disabled or Pre-3.1\n");
+ ASC_PRT_NEXT();
+ len = asc_prt_line(cp, leftlen,
+ "BIOS either disabled or Pre-3.1. If it is pre-3.1, then a newer version\n");
+ ASC_PRT_NEXT();
+ len = asc_prt_line(cp, leftlen,
+ "can be found at the ConnectCom FTP site: ftp://ftp.connectcom.net/pub\n");
+ ASC_PRT_NEXT();
+ } else {
+ major = (boardp->bios_version >> 12) & 0xF;
+ minor = (boardp->bios_version >> 8) & 0xF;
+ letter = (boardp->bios_version & 0xFF);
- if (ASC_NARROW_BOARD(boardp))
- advansys_narrow_slave_configure(sdev,
- &boardp->dvc_var.asc_dvc_var);
- else
- advansys_wide_slave_configure(sdev,
- &boardp->dvc_var.adv_dvc_var);
+ len = asc_prt_line(cp, leftlen, "%d.%d%c\n",
+ major, minor,
+ letter >= 26 ? '?' : letter + 'A');
+ ASC_PRT_NEXT();
- return 0;
+ /*
+ * Current available ROM BIOS release is 3.1I for UW
+ * and 3.2I for U2W. This code doesn't differentiate
+ * UW and U2W boards.
+ */
+ if (major < 3 || (major <= 3 && minor < 1) ||
+ (major <= 3 && minor <= 1 && letter < ('I' - 'A'))) {
+ len = asc_prt_line(cp, leftlen,
+ "Newer version of ROM BIOS is available at the ConnectCom FTP site:\n");
+ ASC_PRT_NEXT();
+ len = asc_prt_line(cp, leftlen,
+ "ftp://ftp.connectcom.net/pub\n");
+ ASC_PRT_NEXT();
+ }
+ }
+
+ return totlen;
}
/*
- * Execute a single 'Scsi_Cmnd'.
- *
- * The function 'done' is called when the request has been completed.
- *
- * Scsi_Cmnd:
- *
- * host - board controlling device
- * device - device to send command
- * target - target of device
- * lun - lun of device
- * cmd_len - length of SCSI CDB
- * cmnd - buffer for SCSI 8, 10, or 12 byte CDB
- * use_sg - if non-zero indicates scatter-gather request with use_sg elements
+ * Add serial number to information bar if signature AAh
+ * is found in at bit 15-9 (7 bits) of word 1.
*
- * if (use_sg == 0) {
- * request_buffer - buffer address for request
- * request_bufflen - length of request buffer
- * } else {
- * request_buffer - pointer to scatterlist structure
- * }
+ * Serial Number consists fo 12 alpha-numeric digits.
*
- * sense_buffer - sense command buffer
+ * 1 - Product type (A,B,C,D..) Word0: 15-13 (3 bits)
+ * 2 - MFG Location (A,B,C,D..) Word0: 12-10 (3 bits)
+ * 3-4 - Product ID (0-99) Word0: 9-0 (10 bits)
+ * 5 - Product revision (A-J) Word0: " "
*
- * result (4 bytes of an int):
- * Byte Meaning
- * 0 SCSI Status Byte Code
- * 1 SCSI One Byte Message Code
- * 2 Host Error Code
- * 3 Mid-Level Error Code
+ * Signature Word1: 15-9 (7 bits)
+ * 6 - Year (0-9) Word1: 8-6 (3 bits) & Word2: 15 (1 bit)
+ * 7-8 - Week of the year (1-52) Word1: 5-0 (6 bits)
*
- * host driver fields:
- * SCp - Scsi_Pointer used for command processing status
- * scsi_done - used to save caller's done function
- * host_scribble - used for pointer to another struct scsi_cmnd
+ * 9-12 - Serial Number (A001-Z999) Word2: 14-0 (15 bits)
*
- * If this function returns ASC_NOERROR the request will be completed
- * from the interrupt handler.
+ * Note 1: Only production cards will have a serial number.
*
- * If this function returns ASC_ERROR the host error code has been set,
- * and the called must call asc_scsi_done.
+ * Note 2: Signature is most significant 7 bits (0xFE).
*
- * If ASC_BUSY is returned the request will be returned to the midlayer
- * and re-tried later.
+ * Returns ASC_TRUE if serial number found, otherwise returns ASC_FALSE.
*/
-static int asc_execute_scsi_cmnd(struct scsi_cmnd *scp)
+static int asc_get_eeprom_string(ushort *serialnum, uchar *cp)
{
- asc_board_t *boardp;
- ASC_DVC_VAR *asc_dvc_varp;
- ADV_DVC_VAR *adv_dvc_varp;
- ADV_SCSI_REQ_Q *adv_scsiqp;
- struct scsi_device *device;
- int ret;
+ ushort w, num;
- ASC_DBG2(1, "asc_execute_scsi_cmnd: scp 0x%lx, done 0x%lx\n",
- (ulong)scp, (ulong)scp->scsi_done);
+ if ((serialnum[1] & 0xFE00) != ((ushort)0xAA << 8)) {
+ return ASC_FALSE;
+ } else {
+ /*
+ * First word - 6 digits.
+ */
+ w = serialnum[0];
- boardp = ASC_BOARDP(scp->device->host);
- device = boardp->device[scp->device->id];
+ /* Product type - 1st digit. */
+ if ((*cp = 'A' + ((w & 0xE000) >> 13)) == 'H') {
+ /* Product type is P=Prototype */
+ *cp += 0x8;
+ }
+ cp++;
+
+ /* Manufacturing location - 2nd digit. */
+ *cp++ = 'A' + ((w & 0x1C00) >> 10);
+
+ /* Product ID - 3rd, 4th digits. */
+ num = w & 0x3FF;
+ *cp++ = '0' + (num / 100);
+ num %= 100;
+ *cp++ = '0' + (num / 10);
+
+ /* Product revision - 5th digit. */
+ *cp++ = 'A' + (num % 10);
- if (ASC_NARROW_BOARD(boardp)) {
/*
- * Build and execute Narrow Board request.
+ * Second word
*/
-
- asc_dvc_varp = &boardp->dvc_var.asc_dvc_var;
+ w = serialnum[1];
/*
- * Build Asc Library request structure using the
- * global structures 'asc_scsi_req' and 'asc_sg_head'.
- *
- * If an error is returned, then the request has been
- * queued on the board done queue. It will be completed
- * by the caller.
+ * Year - 6th digit.
*
- * asc_build_req() can not return ASC_BUSY.
+ * If bit 15 of third word is set, then the
+ * last digit of the year is greater than 7.
*/
- if (asc_build_req(boardp, scp) == ASC_ERROR) {
- ASC_STATS(scp->device->host, build_error);
- return ASC_ERROR;
+ if (serialnum[2] & 0x8000) {
+ *cp++ = '8' + ((w & 0x1C0) >> 6);
+ } else {
+ *cp++ = '0' + ((w & 0x1C0) >> 6);
}
- switch (ret = AscExeScsiQueue(asc_dvc_varp, &asc_scsi_q)) {
- case ASC_NOERROR:
- ASC_STATS(scp->device->host, exe_noerror);
- /*
- * Increment monotonically increasing per device
- * successful request counter. Wrapping doesn't matter.
- */
- boardp->reqcnt[scp->device->id]++;
- ASC_DBG(1, "asc_execute_scsi_cmnd: AscExeScsiQueue(), "
- "ASC_NOERROR\n");
- break;
- case ASC_BUSY:
- ASC_STATS(scp->device->host, exe_busy);
- break;
- case ASC_ERROR:
- ASC_PRINT2("asc_execute_scsi_cmnd: board %d: "
- "AscExeScsiQueue() ASC_ERROR, err_code 0x%x\n",
- boardp->id, asc_dvc_varp->err_code);
- ASC_STATS(scp->device->host, exe_error);
- scp->result = HOST_BYTE(DID_ERROR);
- break;
- default:
- ASC_PRINT2("asc_execute_scsi_cmnd: board %d: "
- "AscExeScsiQueue() unknown, err_code 0x%x\n",
- boardp->id, asc_dvc_varp->err_code);
- ASC_STATS(scp->device->host, exe_unknown);
- scp->result = HOST_BYTE(DID_ERROR);
- break;
- }
- } else {
- /*
- * Build and execute Wide Board request.
- */
- adv_dvc_varp = &boardp->dvc_var.adv_dvc_var;
+ /* Week of year - 7th, 8th digits. */
+ num = w & 0x003F;
+ *cp++ = '0' + num / 10;
+ num %= 10;
+ *cp++ = '0' + num;
/*
- * Build and get a pointer to an Adv Library request structure.
- *
- * If the request is successfully built then send it below,
- * otherwise return with an error.
+ * Third word
*/
- switch (adv_build_req(boardp, scp, &adv_scsiqp)) {
- case ASC_NOERROR:
- ASC_DBG(3, "asc_execute_scsi_cmnd: adv_build_req "
- "ASC_NOERROR\n");
- break;
- case ASC_BUSY:
- ASC_DBG(1, "asc_execute_scsi_cmnd: adv_build_req "
- "ASC_BUSY\n");
- /*
- * The asc_stats fields 'adv_build_noreq' and
- * 'adv_build_nosg' count wide board busy conditions.
- * They are updated in adv_build_req and
- * adv_get_sglist, respectively.
- */
- return ASC_BUSY;
- case ASC_ERROR:
- default:
- ASC_DBG(1, "asc_execute_scsi_cmnd: adv_build_req "
- "ASC_ERROR\n");
- ASC_STATS(scp->device->host, build_error);
- return ASC_ERROR;
- }
+ w = serialnum[2] & 0x7FFF;
- switch (ret = AdvExeScsiQueue(adv_dvc_varp, adv_scsiqp)) {
- case ASC_NOERROR:
- ASC_STATS(scp->device->host, exe_noerror);
- /*
- * Increment monotonically increasing per device
- * successful request counter. Wrapping doesn't matter.
- */
- boardp->reqcnt[scp->device->id]++;
- ASC_DBG(1, "asc_execute_scsi_cmnd: AdvExeScsiQueue(), "
- "ASC_NOERROR\n");
- break;
- case ASC_BUSY:
- ASC_STATS(scp->device->host, exe_busy);
- break;
- case ASC_ERROR:
- ASC_PRINT2("asc_execute_scsi_cmnd: board %d: "
- "AdvExeScsiQueue() ASC_ERROR, err_code 0x%x\n",
- boardp->id, adv_dvc_varp->err_code);
- ASC_STATS(scp->device->host, exe_error);
- scp->result = HOST_BYTE(DID_ERROR);
- break;
- default:
- ASC_PRINT2("asc_execute_scsi_cmnd: board %d: "
- "AdvExeScsiQueue() unknown, err_code 0x%x\n",
- boardp->id, adv_dvc_varp->err_code);
- ASC_STATS(scp->device->host, exe_unknown);
- scp->result = HOST_BYTE(DID_ERROR);
- break;
- }
- }
+ /* Serial number - 9th digit. */
+ *cp++ = 'A' + (w / 1000);
- ASC_DBG(1, "asc_execute_scsi_cmnd: end\n");
- return ret;
+ /* 10th, 11th, 12th digits. */
+ num = w % 1000;
+ *cp++ = '0' + num / 100;
+ num %= 100;
+ *cp++ = '0' + num / 10;
+ num %= 10;
+ *cp++ = '0' + num;
+
+ *cp = '\0'; /* Null Terminate the string. */
+ return ASC_TRUE;
+ }
}
/*
- * Build a request structure for the Asc Library (Narrow Board).
+ * asc_prt_asc_board_eeprom()
*
- * The global structures 'asc_scsi_q' and 'asc_sg_head' are
- * used to build the request.
+ * Print board EEPROM configuration.
*
- * If an error occurs, then return ASC_ERROR.
+ * Note: no single line should be greater than ASC_PRTLINE_SIZE,
+ * cf. asc_prt_line().
+ *
+ * Return the number of characters copied into 'cp'. No more than
+ * 'cplen' characters will be copied to 'cp'.
*/
-static int asc_build_req(asc_board_t *boardp, struct scsi_cmnd *scp)
+static int asc_prt_asc_board_eeprom(struct Scsi_Host *shost, char *cp, int cplen)
{
- /*
- * Mutually exclusive access is required to 'asc_scsi_q' and
- * 'asc_sg_head' until after the request is started.
- */
- memset(&asc_scsi_q, 0, sizeof(ASC_SCSI_Q));
+ asc_board_t *boardp;
+ ASC_DVC_VAR *asc_dvc_varp;
+ int leftlen;
+ int totlen;
+ int len;
+ ASCEEP_CONFIG *ep;
+ int i;
+#ifdef CONFIG_ISA
+ int isa_dma_speed[] = { 10, 8, 7, 6, 5, 4, 3, 2 };
+#endif /* CONFIG_ISA */
+ uchar serialstr[13];
- /*
- * Point the ASC_SCSI_Q to the 'struct scsi_cmnd'.
- */
- asc_scsi_q.q2.srb_ptr = ASC_VADDR_TO_U32(scp);
+ boardp = ASC_BOARDP(shost);
+ asc_dvc_varp = &boardp->dvc_var.asc_dvc_var;
+ ep = &boardp->eep_config.asc_eep;
- /*
- * Build the ASC_SCSI_Q request.
- */
- asc_scsi_q.cdbptr = &scp->cmnd[0];
- asc_scsi_q.q2.cdb_len = scp->cmd_len;
- asc_scsi_q.q1.target_id = ASC_TID_TO_TARGET_ID(scp->device->id);
- asc_scsi_q.q1.target_lun = scp->device->lun;
- asc_scsi_q.q2.target_ix =
- ASC_TIDLUN_TO_IX(scp->device->id, scp->device->lun);
- asc_scsi_q.q1.sense_addr =
- cpu_to_le32(virt_to_bus(&scp->sense_buffer[0]));
- asc_scsi_q.q1.sense_len = sizeof(scp->sense_buffer);
+ leftlen = cplen;
+ totlen = len = 0;
- /*
- * If there are any outstanding requests for the current target,
- * then every 255th request send an ORDERED request. This heuristic
- * tries to retain the benefit of request sorting while preventing
- * request starvation. 255 is the max number of tags or pending commands
- * a device may have outstanding.
- *
- * The request count is incremented below for every successfully
- * started request.
- *
- */
- if ((boardp->dvc_var.asc_dvc_var.cur_dvc_qng[scp->device->id] > 0) &&
- (boardp->reqcnt[scp->device->id] % 255) == 0) {
- asc_scsi_q.q2.tag_code = MSG_ORDERED_TAG;
- } else {
- asc_scsi_q.q2.tag_code = MSG_SIMPLE_TAG;
- }
+ len = asc_prt_line(cp, leftlen,
+ "\nEEPROM Settings for AdvanSys SCSI Host %d:\n",
+ shost->host_no);
+ ASC_PRT_NEXT();
- /*
- * Build ASC_SCSI_Q for a contiguous buffer or a scatter-gather
- * buffer command.
- */
- if (scp->use_sg == 0) {
- /*
- * CDB request of single contiguous buffer.
- */
- ASC_STATS(scp->device->host, cont_cnt);
- scp->SCp.dma_handle = scp->request_bufflen ?
- dma_map_single(boardp->dev, scp->request_buffer,
- scp->request_bufflen,
- scp->sc_data_direction) : 0;
- asc_scsi_q.q1.data_addr = cpu_to_le32(scp->SCp.dma_handle);
- asc_scsi_q.q1.data_cnt = cpu_to_le32(scp->request_bufflen);
- ASC_STATS_ADD(scp->device->host, cont_xfer,
- ASC_CEILING(scp->request_bufflen, 512));
- asc_scsi_q.q1.sg_queue_cnt = 0;
- asc_scsi_q.sg_head = NULL;
+ if (asc_get_eeprom_string((ushort *)&ep->adapter_info[0], serialstr)
+ == ASC_TRUE) {
+ len =
+ asc_prt_line(cp, leftlen, " Serial Number: %s\n",
+ serialstr);
+ ASC_PRT_NEXT();
} else {
- /*
- * CDB scatter-gather request list.
- */
- int sgcnt;
- int use_sg;
- struct scatterlist *slp;
-
- slp = (struct scatterlist *)scp->request_buffer;
- use_sg = dma_map_sg(boardp->dev, slp, scp->use_sg,
- scp->sc_data_direction);
-
- if (use_sg > scp->device->host->sg_tablesize) {
- ASC_PRINT3("asc_build_req: board %d: use_sg %d > "
- "sg_tablesize %d\n", boardp->id, use_sg,
- scp->device->host->sg_tablesize);
- dma_unmap_sg(boardp->dev, slp, scp->use_sg,
- scp->sc_data_direction);
- scp->result = HOST_BYTE(DID_ERROR);
- return ASC_ERROR;
+ if (ep->adapter_info[5] == 0xBB) {
+ len = asc_prt_line(cp, leftlen,
+ " Default Settings Used for EEPROM-less Adapter.\n");
+ ASC_PRT_NEXT();
+ } else {
+ len = asc_prt_line(cp, leftlen,
+ " Serial Number Signature Not Present.\n");
+ ASC_PRT_NEXT();
}
+ }
- ASC_STATS(scp->device->host, sg_cnt);
+ len = asc_prt_line(cp, leftlen,
+ " Host SCSI ID: %u, Host Queue Size: %u, Device Queue Size: %u\n",
+ ASC_EEP_GET_CHIP_ID(ep), ep->max_total_qng,
+ ep->max_tag_qng);
+ ASC_PRT_NEXT();
- /*
- * Use global ASC_SG_HEAD structure and set the ASC_SCSI_Q
- * structure to point to it.
- */
- memset(&asc_sg_head, 0, sizeof(ASC_SG_HEAD));
+ len = asc_prt_line(cp, leftlen,
+ " cntl 0x%x, no_scam 0x%x\n", ep->cntl, ep->no_scam);
+ ASC_PRT_NEXT();
- asc_scsi_q.q1.cntl |= QC_SG_HEAD;
- asc_scsi_q.sg_head = &asc_sg_head;
- asc_scsi_q.q1.data_cnt = 0;
- asc_scsi_q.q1.data_addr = 0;
- /* This is a byte value, otherwise it would need to be swapped. */
- asc_sg_head.entry_cnt = asc_scsi_q.q1.sg_queue_cnt = use_sg;
- ASC_STATS_ADD(scp->device->host, sg_elem,
- asc_sg_head.entry_cnt);
+ len = asc_prt_line(cp, leftlen, " Target ID: ");
+ ASC_PRT_NEXT();
+ for (i = 0; i <= ASC_MAX_TID; i++) {
+ len = asc_prt_line(cp, leftlen, " %d", i);
+ ASC_PRT_NEXT();
+ }
+ len = asc_prt_line(cp, leftlen, "\n");
+ ASC_PRT_NEXT();
- /*
- * Convert scatter-gather list into ASC_SG_HEAD list.
- */
- for (sgcnt = 0; sgcnt < use_sg; sgcnt++, slp++) {
- asc_sg_head.sg_list[sgcnt].addr =
- cpu_to_le32(sg_dma_address(slp));
- asc_sg_head.sg_list[sgcnt].bytes =
- cpu_to_le32(sg_dma_len(slp));
- ASC_STATS_ADD(scp->device->host, sg_xfer,
- ASC_CEILING(sg_dma_len(slp), 512));
- }
+ len = asc_prt_line(cp, leftlen, " Disconnects: ");
+ ASC_PRT_NEXT();
+ for (i = 0; i <= ASC_MAX_TID; i++) {
+ len = asc_prt_line(cp, leftlen, " %c",
+ (ep->
+ disc_enable & ADV_TID_TO_TIDMASK(i)) ? 'Y' :
+ 'N');
+ ASC_PRT_NEXT();
}
+ len = asc_prt_line(cp, leftlen, "\n");
+ ASC_PRT_NEXT();
- ASC_DBG_PRT_ASC_SCSI_Q(2, &asc_scsi_q);
- ASC_DBG_PRT_CDB(1, scp->cmnd, scp->cmd_len);
+ len = asc_prt_line(cp, leftlen, " Command Queuing: ");
+ ASC_PRT_NEXT();
+ for (i = 0; i <= ASC_MAX_TID; i++) {
+ len = asc_prt_line(cp, leftlen, " %c",
+ (ep->
+ use_cmd_qng & ADV_TID_TO_TIDMASK(i)) ? 'Y' :
+ 'N');
+ ASC_PRT_NEXT();
+ }
+ len = asc_prt_line(cp, leftlen, "\n");
+ ASC_PRT_NEXT();
- return ASC_NOERROR;
+ len = asc_prt_line(cp, leftlen, " Start Motor: ");
+ ASC_PRT_NEXT();
+ for (i = 0; i <= ASC_MAX_TID; i++) {
+ len = asc_prt_line(cp, leftlen, " %c",
+ (ep->
+ start_motor & ADV_TID_TO_TIDMASK(i)) ? 'Y' :
+ 'N');
+ ASC_PRT_NEXT();
+ }
+ len = asc_prt_line(cp, leftlen, "\n");
+ ASC_PRT_NEXT();
+
+ len = asc_prt_line(cp, leftlen, " Synchronous Transfer:");
+ ASC_PRT_NEXT();
+ for (i = 0; i <= ASC_MAX_TID; i++) {
+ len = asc_prt_line(cp, leftlen, " %c",
+ (ep->
+ init_sdtr & ADV_TID_TO_TIDMASK(i)) ? 'Y' :
+ 'N');
+ ASC_PRT_NEXT();
+ }
+ len = asc_prt_line(cp, leftlen, "\n");
+ ASC_PRT_NEXT();
+
+#ifdef CONFIG_ISA
+ if (asc_dvc_varp->bus_type & ASC_IS_ISA) {
+ len = asc_prt_line(cp, leftlen,
+ " Host ISA DMA speed: %d MB/S\n",
+ isa_dma_speed[ASC_EEP_GET_DMA_SPD(ep)]);
+ ASC_PRT_NEXT();
+ }
+#endif /* CONFIG_ISA */
+
+ return totlen;
}
/*
- * Build a request structure for the Adv Library (Wide Board).
+ * asc_prt_adv_board_eeprom()
*
- * If an adv_req_t can not be allocated to issue the request,
- * then return ASC_BUSY. If an error occurs, then return ASC_ERROR.
+ * Print board EEPROM configuration.
*
- * Multi-byte fields in the ASC_SCSI_REQ_Q that are used by the
- * microcode for DMA addresses or math operations are byte swapped
- * to little-endian order.
+ * Note: no single line should be greater than ASC_PRTLINE_SIZE,
+ * cf. asc_prt_line().
+ *
+ * Return the number of characters copied into 'cp'. No more than
+ * 'cplen' characters will be copied to 'cp'.
*/
-static int
-adv_build_req(asc_board_t *boardp, struct scsi_cmnd *scp,
- ADV_SCSI_REQ_Q **adv_scsiqpp)
+static int asc_prt_adv_board_eeprom(struct Scsi_Host *shost, char *cp, int cplen)
{
- adv_req_t *reqp;
- ADV_SCSI_REQ_Q *scsiqp;
+ asc_board_t *boardp;
+ ADV_DVC_VAR *adv_dvc_varp;
+ int leftlen;
+ int totlen;
+ int len;
int i;
- int ret;
+ char *termstr;
+ uchar serialstr[13];
+ ADVEEP_3550_CONFIG *ep_3550 = NULL;
+ ADVEEP_38C0800_CONFIG *ep_38C0800 = NULL;
+ ADVEEP_38C1600_CONFIG *ep_38C1600 = NULL;
+ ushort word;
+ ushort *wordp;
+ ushort sdtr_speed = 0;
- /*
- * Allocate an adv_req_t structure from the board to execute
- * the command.
- */
- if (boardp->adv_reqp == NULL) {
- ASC_DBG(1, "adv_build_req: no free adv_req_t\n");
- ASC_STATS(scp->device->host, adv_build_noreq);
- return ASC_BUSY;
+ boardp = ASC_BOARDP(shost);
+ adv_dvc_varp = &boardp->dvc_var.adv_dvc_var;
+ if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
+ ep_3550 = &boardp->eep_config.adv_3550_eep;
+ } else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) {
+ ep_38C0800 = &boardp->eep_config.adv_38C0800_eep;
} else {
- reqp = boardp->adv_reqp;
- boardp->adv_reqp = reqp->next_reqp;
- reqp->next_reqp = NULL;
+ ep_38C1600 = &boardp->eep_config.adv_38C1600_eep;
}
- /*
- * Get 32-byte aligned ADV_SCSI_REQ_Q and ADV_SG_BLOCK pointers.
- */
- scsiqp = (ADV_SCSI_REQ_Q *)ADV_32BALIGN(&reqp->scsi_req_q);
-
- /*
- * Initialize the structure.
- */
- scsiqp->cntl = scsiqp->scsi_cntl = scsiqp->done_status = 0;
+ leftlen = cplen;
+ totlen = len = 0;
- /*
- * Set the ADV_SCSI_REQ_Q 'srb_ptr' to point to the adv_req_t structure.
- */
- scsiqp->srb_ptr = ASC_VADDR_TO_U32(reqp);
+ len = asc_prt_line(cp, leftlen,
+ "\nEEPROM Settings for AdvanSys SCSI Host %d:\n",
+ shost->host_no);
+ ASC_PRT_NEXT();
- /*
- * Set the adv_req_t 'cmndp' to point to the struct scsi_cmnd structure.
- */
- reqp->cmndp = scp;
+ if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
+ wordp = &ep_3550->serial_number_word1;
+ } else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) {
+ wordp = &ep_38C0800->serial_number_word1;
+ } else {
+ wordp = &ep_38C1600->serial_number_word1;
+ }
- /*
- * Build the ADV_SCSI_REQ_Q request.
- */
+ if (asc_get_eeprom_string(wordp, serialstr) == ASC_TRUE) {
+ len =
+ asc_prt_line(cp, leftlen, " Serial Number: %s\n",
+ serialstr);
+ ASC_PRT_NEXT();
+ } else {
+ len = asc_prt_line(cp, leftlen,
+ " Serial Number Signature Not Present.\n");
+ ASC_PRT_NEXT();
+ }
- /* Set CDB length and copy it to the request structure. */
- scsiqp->cdb_len = scp->cmd_len;
- /* Copy first 12 CDB bytes to cdb[]. */
- for (i = 0; i < scp->cmd_len && i < 12; i++) {
- scsiqp->cdb[i] = scp->cmnd[i];
+ if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
+ len = asc_prt_line(cp, leftlen,
+ " Host SCSI ID: %u, Host Queue Size: %u, Device Queue Size: %u\n",
+ ep_3550->adapter_scsi_id,
+ ep_3550->max_host_qng, ep_3550->max_dvc_qng);
+ ASC_PRT_NEXT();
+ } else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) {
+ len = asc_prt_line(cp, leftlen,
+ " Host SCSI ID: %u, Host Queue Size: %u, Device Queue Size: %u\n",
+ ep_38C0800->adapter_scsi_id,
+ ep_38C0800->max_host_qng,
+ ep_38C0800->max_dvc_qng);
+ ASC_PRT_NEXT();
+ } else {
+ len = asc_prt_line(cp, leftlen,
+ " Host SCSI ID: %u, Host Queue Size: %u, Device Queue Size: %u\n",
+ ep_38C1600->adapter_scsi_id,
+ ep_38C1600->max_host_qng,
+ ep_38C1600->max_dvc_qng);
+ ASC_PRT_NEXT();
}
- /* Copy last 4 CDB bytes, if present, to cdb16[]. */
- for (; i < scp->cmd_len; i++) {
- scsiqp->cdb16[i - 12] = scp->cmnd[i];
+ if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
+ word = ep_3550->termination;
+ } else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) {
+ word = ep_38C0800->termination_lvd;
+ } else {
+ word = ep_38C1600->termination_lvd;
+ }
+ switch (word) {
+ case 1:
+ termstr = "Low Off/High Off";
+ break;
+ case 2:
+ termstr = "Low Off/High On";
+ break;
+ case 3:
+ termstr = "Low On/High On";
+ break;
+ default:
+ case 0:
+ termstr = "Automatic";
+ break;
}
- scsiqp->target_id = scp->device->id;
- scsiqp->target_lun = scp->device->lun;
+ if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
+ len = asc_prt_line(cp, leftlen,
+ " termination: %u (%s), bios_ctrl: 0x%x\n",
+ ep_3550->termination, termstr,
+ ep_3550->bios_ctrl);
+ ASC_PRT_NEXT();
+ } else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) {
+ len = asc_prt_line(cp, leftlen,
+ " termination: %u (%s), bios_ctrl: 0x%x\n",
+ ep_38C0800->termination_lvd, termstr,
+ ep_38C0800->bios_ctrl);
+ ASC_PRT_NEXT();
+ } else {
+ len = asc_prt_line(cp, leftlen,
+ " termination: %u (%s), bios_ctrl: 0x%x\n",
+ ep_38C1600->termination_lvd, termstr,
+ ep_38C1600->bios_ctrl);
+ ASC_PRT_NEXT();
+ }
- scsiqp->sense_addr = cpu_to_le32(virt_to_bus(&scp->sense_buffer[0]));
- scsiqp->sense_len = sizeof(scp->sense_buffer);
+ len = asc_prt_line(cp, leftlen, " Target ID: ");
+ ASC_PRT_NEXT();
+ for (i = 0; i <= ADV_MAX_TID; i++) {
+ len = asc_prt_line(cp, leftlen, " %X", i);
+ ASC_PRT_NEXT();
+ }
+ len = asc_prt_line(cp, leftlen, "\n");
+ ASC_PRT_NEXT();
- /*
- * Build ADV_SCSI_REQ_Q for a contiguous buffer or a scatter-gather
- * buffer command.
- */
+ if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
+ word = ep_3550->disc_enable;
+ } else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) {
+ word = ep_38C0800->disc_enable;
+ } else {
+ word = ep_38C1600->disc_enable;
+ }
+ len = asc_prt_line(cp, leftlen, " Disconnects: ");
+ ASC_PRT_NEXT();
+ for (i = 0; i <= ADV_MAX_TID; i++) {
+ len = asc_prt_line(cp, leftlen, " %c",
+ (word & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N');
+ ASC_PRT_NEXT();
+ }
+ len = asc_prt_line(cp, leftlen, "\n");
+ ASC_PRT_NEXT();
- scsiqp->data_cnt = cpu_to_le32(scp->request_bufflen);
- scsiqp->vdata_addr = scp->request_buffer;
- scsiqp->data_addr = cpu_to_le32(virt_to_bus(scp->request_buffer));
+ if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
+ word = ep_3550->tagqng_able;
+ } else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) {
+ word = ep_38C0800->tagqng_able;
+ } else {
+ word = ep_38C1600->tagqng_able;
+ }
+ len = asc_prt_line(cp, leftlen, " Command Queuing: ");
+ ASC_PRT_NEXT();
+ for (i = 0; i <= ADV_MAX_TID; i++) {
+ len = asc_prt_line(cp, leftlen, " %c",
+ (word & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N');
+ ASC_PRT_NEXT();
+ }
+ len = asc_prt_line(cp, leftlen, "\n");
+ ASC_PRT_NEXT();
- if (scp->use_sg == 0) {
- /*
- * CDB request of single contiguous buffer.
- */
- reqp->sgblkp = NULL;
- scsiqp->data_cnt = cpu_to_le32(scp->request_bufflen);
- if (scp->request_bufflen) {
- scsiqp->vdata_addr = scp->request_buffer;
- scp->SCp.dma_handle =
- dma_map_single(boardp->dev, scp->request_buffer,
- scp->request_bufflen,
- scp->sc_data_direction);
- } else {
- scsiqp->vdata_addr = NULL;
- scp->SCp.dma_handle = 0;
- }
- scsiqp->data_addr = cpu_to_le32(scp->SCp.dma_handle);
- scsiqp->sg_list_ptr = NULL;
- scsiqp->sg_real_addr = 0;
- ASC_STATS(scp->device->host, cont_cnt);
- ASC_STATS_ADD(scp->device->host, cont_xfer,
- ASC_CEILING(scp->request_bufflen, 512));
+ if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
+ word = ep_3550->start_motor;
+ } else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) {
+ word = ep_38C0800->start_motor;
} else {
- /*
- * CDB scatter-gather request list.
- */
- struct scatterlist *slp;
- int use_sg;
-
- slp = (struct scatterlist *)scp->request_buffer;
- use_sg = dma_map_sg(boardp->dev, slp, scp->use_sg,
- scp->sc_data_direction);
-
- if (use_sg > ADV_MAX_SG_LIST) {
- ASC_PRINT3("adv_build_req: board %d: use_sg %d > "
- "ADV_MAX_SG_LIST %d\n", boardp->id, use_sg,
- scp->device->host->sg_tablesize);
- dma_unmap_sg(boardp->dev, slp, scp->use_sg,
- scp->sc_data_direction);
- scp->result = HOST_BYTE(DID_ERROR);
-
- /*
- * Free the 'adv_req_t' structure by adding it back
- * to the board free list.
- */
- reqp->next_reqp = boardp->adv_reqp;
- boardp->adv_reqp = reqp;
+ word = ep_38C1600->start_motor;
+ }
+ len = asc_prt_line(cp, leftlen, " Start Motor: ");
+ ASC_PRT_NEXT();
+ for (i = 0; i <= ADV_MAX_TID; i++) {
+ len = asc_prt_line(cp, leftlen, " %c",
+ (word & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N');
+ ASC_PRT_NEXT();
+ }
+ len = asc_prt_line(cp, leftlen, "\n");
+ ASC_PRT_NEXT();
- return ASC_ERROR;
+ if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
+ len = asc_prt_line(cp, leftlen, " Synchronous Transfer:");
+ ASC_PRT_NEXT();
+ for (i = 0; i <= ADV_MAX_TID; i++) {
+ len = asc_prt_line(cp, leftlen, " %c",
+ (ep_3550->
+ sdtr_able & ADV_TID_TO_TIDMASK(i)) ?
+ 'Y' : 'N');
+ ASC_PRT_NEXT();
}
+ len = asc_prt_line(cp, leftlen, "\n");
+ ASC_PRT_NEXT();
+ }
- ret = adv_get_sglist(boardp, reqp, scp, use_sg);
- if (ret != ADV_SUCCESS) {
- /*
- * Free the adv_req_t structure by adding it back to
- * the board free list.
- */
- reqp->next_reqp = boardp->adv_reqp;
- boardp->adv_reqp = reqp;
-
- return ret;
+ if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
+ len = asc_prt_line(cp, leftlen, " Ultra Transfer: ");
+ ASC_PRT_NEXT();
+ for (i = 0; i <= ADV_MAX_TID; i++) {
+ len = asc_prt_line(cp, leftlen, " %c",
+ (ep_3550->
+ ultra_able & ADV_TID_TO_TIDMASK(i))
+ ? 'Y' : 'N');
+ ASC_PRT_NEXT();
}
+ len = asc_prt_line(cp, leftlen, "\n");
+ ASC_PRT_NEXT();
+ }
- ASC_STATS(scp->device->host, sg_cnt);
- ASC_STATS_ADD(scp->device->host, sg_elem, use_sg);
+ if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
+ word = ep_3550->wdtr_able;
+ } else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) {
+ word = ep_38C0800->wdtr_able;
+ } else {
+ word = ep_38C1600->wdtr_able;
+ }
+ len = asc_prt_line(cp, leftlen, " Wide Transfer: ");
+ ASC_PRT_NEXT();
+ for (i = 0; i <= ADV_MAX_TID; i++) {
+ len = asc_prt_line(cp, leftlen, " %c",
+ (word & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N');
+ ASC_PRT_NEXT();
}
+ len = asc_prt_line(cp, leftlen, "\n");
+ ASC_PRT_NEXT();
- ASC_DBG_PRT_ADV_SCSI_REQ_Q(2, scsiqp);
- ASC_DBG_PRT_CDB(1, scp->cmnd, scp->cmd_len);
+ if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800 ||
+ adv_dvc_varp->chip_type == ADV_CHIP_ASC38C1600) {
+ len = asc_prt_line(cp, leftlen,
+ " Synchronous Transfer Speed (Mhz):\n ");
+ ASC_PRT_NEXT();
+ for (i = 0; i <= ADV_MAX_TID; i++) {
+ char *speed_str;
- *adv_scsiqpp = scsiqp;
+ if (i == 0) {
+ sdtr_speed = adv_dvc_varp->sdtr_speed1;
+ } else if (i == 4) {
+ sdtr_speed = adv_dvc_varp->sdtr_speed2;
+ } else if (i == 8) {
+ sdtr_speed = adv_dvc_varp->sdtr_speed3;
+ } else if (i == 12) {
+ sdtr_speed = adv_dvc_varp->sdtr_speed4;
+ }
+ switch (sdtr_speed & ADV_MAX_TID) {
+ case 0:
+ speed_str = "Off";
+ break;
+ case 1:
+ speed_str = " 5";
+ break;
+ case 2:
+ speed_str = " 10";
+ break;
+ case 3:
+ speed_str = " 20";
+ break;
+ case 4:
+ speed_str = " 40";
+ break;
+ case 5:
+ speed_str = " 80";
+ break;
+ default:
+ speed_str = "Unk";
+ break;
+ }
+ len = asc_prt_line(cp, leftlen, "%X:%s ", i, speed_str);
+ ASC_PRT_NEXT();
+ if (i == 7) {
+ len = asc_prt_line(cp, leftlen, "\n ");
+ ASC_PRT_NEXT();
+ }
+ sdtr_speed >>= 4;
+ }
+ len = asc_prt_line(cp, leftlen, "\n");
+ ASC_PRT_NEXT();
+ }
- return ASC_NOERROR;
+ return totlen;
}
/*
- * Build scatter-gather list for Adv Library (Wide Board).
+ * asc_prt_driver_conf()
*
- * Additional ADV_SG_BLOCK structures will need to be allocated
- * if the total number of scatter-gather elements exceeds
- * NO_OF_SG_PER_BLOCK (15). The ADV_SG_BLOCK structures are
- * assumed to be physically contiguous.
+ * Note: no single line should be greater than ASC_PRTLINE_SIZE,
+ * cf. asc_prt_line().
*
- * Return:
- * ADV_SUCCESS(1) - SG List successfully created
- * ADV_ERROR(-1) - SG List creation failed
+ * Return the number of characters copied into 'cp'. No more than
+ * 'cplen' characters will be copied to 'cp'.
*/
-static int
-adv_get_sglist(asc_board_t *boardp, adv_req_t *reqp, struct scsi_cmnd *scp,
- int use_sg)
+static int asc_prt_driver_conf(struct Scsi_Host *shost, char *cp, int cplen)
{
- adv_sgblk_t *sgblkp;
- ADV_SCSI_REQ_Q *scsiqp;
- struct scatterlist *slp;
- int sg_elem_cnt;
- ADV_SG_BLOCK *sg_block, *prev_sg_block;
- ADV_PADDR sg_block_paddr;
- int i;
-
- scsiqp = (ADV_SCSI_REQ_Q *)ADV_32BALIGN(&reqp->scsi_req_q);
- slp = (struct scatterlist *)scp->request_buffer;
- sg_elem_cnt = use_sg;
- prev_sg_block = NULL;
- reqp->sgblkp = NULL;
+ asc_board_t *boardp;
+ int leftlen;
+ int totlen;
+ int len;
+ int chip_scsi_id;
- for (;;) {
- /*
- * Allocate a 'adv_sgblk_t' structure from the board free
- * list. One 'adv_sgblk_t' structure holds NO_OF_SG_PER_BLOCK
- * (15) scatter-gather elements.
- */
- if ((sgblkp = boardp->adv_sgblkp) == NULL) {
- ASC_DBG(1, "adv_get_sglist: no free adv_sgblk_t\n");
- ASC_STATS(scp->device->host, adv_build_nosg);
+ boardp = ASC_BOARDP(shost);
- /*
- * Allocation failed. Free 'adv_sgblk_t' structures
- * already allocated for the request.
- */
- while ((sgblkp = reqp->sgblkp) != NULL) {
- /* Remove 'sgblkp' from the request list. */
- reqp->sgblkp = sgblkp->next_sgblkp;
+ leftlen = cplen;
+ totlen = len = 0;
- /* Add 'sgblkp' to the board free list. */
- sgblkp->next_sgblkp = boardp->adv_sgblkp;
- boardp->adv_sgblkp = sgblkp;
- }
- return ASC_BUSY;
- }
+ len = asc_prt_line(cp, leftlen,
+ "\nLinux Driver Configuration and Information for AdvanSys SCSI Host %d:\n",
+ shost->host_no);
+ ASC_PRT_NEXT();
- /* Complete 'adv_sgblk_t' board allocation. */
- boardp->adv_sgblkp = sgblkp->next_sgblkp;
- sgblkp->next_sgblkp = NULL;
+ len = asc_prt_line(cp, leftlen,
+ " host_busy %u, last_reset %u, max_id %u, max_lun %u, max_channel %u\n",
+ shost->host_busy, shost->last_reset, shost->max_id,
+ shost->max_lun, shost->max_channel);
+ ASC_PRT_NEXT();
- /*
- * Get 8 byte aligned virtual and physical addresses
- * for the allocated ADV_SG_BLOCK structure.
- */
- sg_block = (ADV_SG_BLOCK *)ADV_8BALIGN(&sgblkp->sg_block);
- sg_block_paddr = virt_to_bus(sg_block);
+ len = asc_prt_line(cp, leftlen,
+ " unique_id %d, can_queue %d, this_id %d, sg_tablesize %u, cmd_per_lun %u\n",
+ shost->unique_id, shost->can_queue, shost->this_id,
+ shost->sg_tablesize, shost->cmd_per_lun);
+ ASC_PRT_NEXT();
- /*
- * Check if this is the first 'adv_sgblk_t' for the
- * request.
- */
- if (reqp->sgblkp == NULL) {
- /* Request's first scatter-gather block. */
- reqp->sgblkp = sgblkp;
+ len = asc_prt_line(cp, leftlen,
+ " unchecked_isa_dma %d, use_clustering %d\n",
+ shost->unchecked_isa_dma, shost->use_clustering);
+ ASC_PRT_NEXT();
- /*
- * Set ADV_SCSI_REQ_T ADV_SG_BLOCK virtual and physical
- * address pointers.
- */
- scsiqp->sg_list_ptr = sg_block;
- scsiqp->sg_real_addr = cpu_to_le32(sg_block_paddr);
- } else {
- /* Request's second or later scatter-gather block. */
- sgblkp->next_sgblkp = reqp->sgblkp;
- reqp->sgblkp = sgblkp;
-
- /*
- * Point the previous ADV_SG_BLOCK structure to
- * the newly allocated ADV_SG_BLOCK structure.
- */
- prev_sg_block->sg_ptr = cpu_to_le32(sg_block_paddr);
- }
+ len = asc_prt_line(cp, leftlen,
+ " flags 0x%x, last_reset 0x%x, jiffies 0x%x, asc_n_io_port 0x%x\n",
+ boardp->flags, boardp->last_reset, jiffies,
+ boardp->asc_n_io_port);
+ ASC_PRT_NEXT();
- for (i = 0; i < NO_OF_SG_PER_BLOCK; i++) {
- sg_block->sg_list[i].sg_addr =
- cpu_to_le32(sg_dma_address(slp));
- sg_block->sg_list[i].sg_count =
- cpu_to_le32(sg_dma_len(slp));
- ASC_STATS_ADD(scp->device->host, sg_xfer,
- ASC_CEILING(sg_dma_len(slp), 512));
+ len = asc_prt_line(cp, leftlen, " io_port 0x%x\n", shost->io_port);
+ ASC_PRT_NEXT();
- if (--sg_elem_cnt == 0) { /* Last ADV_SG_BLOCK and scatter-gather entry. */
- sg_block->sg_cnt = i + 1;
- sg_block->sg_ptr = 0L; /* Last ADV_SG_BLOCK in list. */
- return ADV_SUCCESS;
- }
- slp++;
- }
- sg_block->sg_cnt = NO_OF_SG_PER_BLOCK;
- prev_sg_block = sg_block;
+ if (ASC_NARROW_BOARD(boardp)) {
+ chip_scsi_id = boardp->dvc_cfg.asc_dvc_cfg.chip_scsi_id;
+ } else {
+ chip_scsi_id = boardp->dvc_var.adv_dvc_var.chip_scsi_id;
}
+
+ return totlen;
}
/*
- * asc_isr_callback() - Second Level Interrupt Handler called by AscISR().
+ * asc_prt_asc_board_info()
*
- * Interrupt callback function for the Narrow SCSI Asc Library.
+ * Print dynamic board configuration information.
+ *
+ * Note: no single line should be greater than ASC_PRTLINE_SIZE,
+ * cf. asc_prt_line().
+ *
+ * Return the number of characters copied into 'cp'. No more than
+ * 'cplen' characters will be copied to 'cp'.
*/
-static void asc_isr_callback(ASC_DVC_VAR *asc_dvc_varp, ASC_QDONE_INFO *qdonep)
+static int asc_prt_asc_board_info(struct Scsi_Host *shost, char *cp, int cplen)
{
asc_board_t *boardp;
- struct scsi_cmnd *scp;
- struct Scsi_Host *shost;
+ int chip_scsi_id;
+ int leftlen;
+ int totlen;
+ int len;
+ ASC_DVC_VAR *v;
+ ASC_DVC_CFG *c;
+ int i;
+ int renegotiate = 0;
- ASC_DBG2(1, "asc_isr_callback: asc_dvc_varp 0x%lx, qdonep 0x%lx\n",
- (ulong)asc_dvc_varp, (ulong)qdonep);
- ASC_DBG_PRT_ASC_QDONE_INFO(2, qdonep);
+ boardp = ASC_BOARDP(shost);
+ v = &boardp->dvc_var.asc_dvc_var;
+ c = &boardp->dvc_cfg.asc_dvc_cfg;
+ chip_scsi_id = c->chip_scsi_id;
- /*
- * Get the struct scsi_cmnd structure and Scsi_Host structure for the
- * command that has been completed.
- */
- scp = (struct scsi_cmnd *)ASC_U32_TO_VADDR(qdonep->d2.srb_ptr);
- ASC_DBG1(1, "asc_isr_callback: scp 0x%lx\n", (ulong)scp);
+ leftlen = cplen;
+ totlen = len = 0;
- if (scp == NULL) {
- ASC_PRINT("asc_isr_callback: scp is NULL\n");
- return;
- }
- ASC_DBG_PRT_CDB(2, scp->cmnd, scp->cmd_len);
+ len = asc_prt_line(cp, leftlen,
+ "\nAsc Library Configuration and Statistics for AdvanSys SCSI Host %d:\n",
+ shost->host_no);
+ ASC_PRT_NEXT();
- shost = scp->device->host;
- ASC_STATS(shost, callback);
- ASC_DBG1(1, "asc_isr_callback: shost 0x%lx\n", (ulong)shost);
+ len = asc_prt_line(cp, leftlen,
+ " chip_version %u, lib_version 0x%x, lib_serial_no %u, mcode_date 0x%x\n",
+ c->chip_version, c->lib_version, c->lib_serial_no,
+ c->mcode_date);
+ ASC_PRT_NEXT();
- boardp = ASC_BOARDP(shost);
- BUG_ON(asc_dvc_varp != &boardp->dvc_var.asc_dvc_var);
+ len = asc_prt_line(cp, leftlen,
+ " mcode_version 0x%x, err_code %u\n",
+ c->mcode_version, v->err_code);
+ ASC_PRT_NEXT();
- /*
- * 'qdonep' contains the command's ending status.
- */
- switch (qdonep->d3.done_stat) {
- case QD_NO_ERROR:
- ASC_DBG(2, "asc_isr_callback: QD_NO_ERROR\n");
- scp->result = 0;
+ /* Current number of commands waiting for the host. */
+ len = asc_prt_line(cp, leftlen,
+ " Total Command Pending: %d\n", v->cur_total_qng);
+ ASC_PRT_NEXT();
- /*
- * Check for an underrun condition.
- *
- * If there was no error and an underrun condition, then
- * return the number of underrun bytes.
- */
- if (scp->request_bufflen != 0 && qdonep->remain_bytes != 0 &&
- qdonep->remain_bytes <= scp->request_bufflen) {
- ASC_DBG1(1,
- "asc_isr_callback: underrun condition %u bytes\n",
- (unsigned)qdonep->remain_bytes);
- scp->resid = qdonep->remain_bytes;
+ len = asc_prt_line(cp, leftlen, " Command Queuing:");
+ ASC_PRT_NEXT();
+ for (i = 0; i <= ASC_MAX_TID; i++) {
+ if ((chip_scsi_id == i) ||
+ ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
+ continue;
}
- break;
-
- case QD_WITH_ERROR:
- ASC_DBG(2, "asc_isr_callback: QD_WITH_ERROR\n");
- switch (qdonep->d3.host_stat) {
- case QHSTA_NO_ERROR:
- if (qdonep->d3.scsi_stat == SAM_STAT_CHECK_CONDITION) {
- ASC_DBG(2,
- "asc_isr_callback: SAM_STAT_CHECK_CONDITION\n");
- ASC_DBG_PRT_SENSE(2, scp->sense_buffer,
- sizeof(scp->sense_buffer));
- /*
- * Note: The 'status_byte()' macro used by
- * target drivers defined in scsi.h shifts the
- * status byte returned by host drivers right
- * by 1 bit. This is why target drivers also
- * use right shifted status byte definitions.
- * For instance target drivers use
- * CHECK_CONDITION, defined to 0x1, instead of
- * the SCSI defined check condition value of
- * 0x2. Host drivers are supposed to return
- * the status byte as it is defined by SCSI.
- */
- scp->result = DRIVER_BYTE(DRIVER_SENSE) |
- STATUS_BYTE(qdonep->d3.scsi_stat);
- } else {
- scp->result = STATUS_BYTE(qdonep->d3.scsi_stat);
- }
- break;
+ len = asc_prt_line(cp, leftlen, " %X:%c",
+ i,
+ (v->
+ use_tagged_qng & ADV_TID_TO_TIDMASK(i)) ?
+ 'Y' : 'N');
+ ASC_PRT_NEXT();
+ }
+ len = asc_prt_line(cp, leftlen, "\n");
+ ASC_PRT_NEXT();
- default:
- /* QHSTA error occurred */
- ASC_DBG1(1, "asc_isr_callback: host_stat 0x%x\n",
- qdonep->d3.host_stat);
- scp->result = HOST_BYTE(DID_BAD_TARGET);
- break;
+ /* Current number of commands waiting for a device. */
+ len = asc_prt_line(cp, leftlen, " Command Queue Pending:");
+ ASC_PRT_NEXT();
+ for (i = 0; i <= ASC_MAX_TID; i++) {
+ if ((chip_scsi_id == i) ||
+ ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
+ continue;
}
- break;
-
- case QD_ABORTED_BY_HOST:
- ASC_DBG(1, "asc_isr_callback: QD_ABORTED_BY_HOST\n");
- scp->result =
- HOST_BYTE(DID_ABORT) | MSG_BYTE(qdonep->d3.
- scsi_msg) |
- STATUS_BYTE(qdonep->d3.scsi_stat);
- break;
-
- default:
- ASC_DBG1(1, "asc_isr_callback: done_stat 0x%x\n",
- qdonep->d3.done_stat);
- scp->result =
- HOST_BYTE(DID_ERROR) | MSG_BYTE(qdonep->d3.
- scsi_msg) |
- STATUS_BYTE(qdonep->d3.scsi_stat);
- break;
+ len = asc_prt_line(cp, leftlen, " %X:%u", i, v->cur_dvc_qng[i]);
+ ASC_PRT_NEXT();
}
+ len = asc_prt_line(cp, leftlen, "\n");
+ ASC_PRT_NEXT();
- /*
- * If the 'init_tidmask' bit isn't already set for the target and the
- * current request finished normally, then set the bit for the target
- * to indicate that a device is present.
- */
- if ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(scp->device->id)) == 0 &&
- qdonep->d3.done_stat == QD_NO_ERROR &&
- qdonep->d3.host_stat == QHSTA_NO_ERROR) {
- boardp->init_tidmask |= ADV_TID_TO_TIDMASK(scp->device->id);
+ /* Current limit on number of commands that can be sent to a device. */
+ len = asc_prt_line(cp, leftlen, " Command Queue Limit:");
+ ASC_PRT_NEXT();
+ for (i = 0; i <= ASC_MAX_TID; i++) {
+ if ((chip_scsi_id == i) ||
+ ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
+ continue;
+ }
+ len = asc_prt_line(cp, leftlen, " %X:%u", i, v->max_dvc_qng[i]);
+ ASC_PRT_NEXT();
}
+ len = asc_prt_line(cp, leftlen, "\n");
+ ASC_PRT_NEXT();
- asc_scsi_done(scp);
-
- return;
-}
+ /* Indicate whether the device has returned queue full status. */
+ len = asc_prt_line(cp, leftlen, " Command Queue Full:");
+ ASC_PRT_NEXT();
+ for (i = 0; i <= ASC_MAX_TID; i++) {
+ if ((chip_scsi_id == i) ||
+ ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
+ continue;
+ }
+ if (boardp->queue_full & ADV_TID_TO_TIDMASK(i)) {
+ len = asc_prt_line(cp, leftlen, " %X:Y-%d",
+ i, boardp->queue_full_cnt[i]);
+ } else {
+ len = asc_prt_line(cp, leftlen, " %X:N", i);
+ }
+ ASC_PRT_NEXT();
+ }
+ len = asc_prt_line(cp, leftlen, "\n");
+ ASC_PRT_NEXT();
-/*
- * adv_isr_callback() - Second Level Interrupt Handler called by AdvISR().
- *
- * Callback function for the Wide SCSI Adv Library.
- */
-static void adv_isr_callback(ADV_DVC_VAR *adv_dvc_varp, ADV_SCSI_REQ_Q *scsiqp)
-{
- asc_board_t *boardp;
- adv_req_t *reqp;
- adv_sgblk_t *sgblkp;
- struct scsi_cmnd *scp;
- struct Scsi_Host *shost;
- ADV_DCNT resid_cnt;
-
- ASC_DBG2(1, "adv_isr_callback: adv_dvc_varp 0x%lx, scsiqp 0x%lx\n",
- (ulong)adv_dvc_varp, (ulong)scsiqp);
- ASC_DBG_PRT_ADV_SCSI_REQ_Q(2, scsiqp);
-
- /*
- * Get the adv_req_t structure for the command that has been
- * completed. The adv_req_t structure actually contains the
- * completed ADV_SCSI_REQ_Q structure.
- */
- reqp = (adv_req_t *)ADV_U32_TO_VADDR(scsiqp->srb_ptr);
- ASC_DBG1(1, "adv_isr_callback: reqp 0x%lx\n", (ulong)reqp);
- if (reqp == NULL) {
- ASC_PRINT("adv_isr_callback: reqp is NULL\n");
- return;
- }
-
- /*
- * Get the struct scsi_cmnd structure and Scsi_Host structure for the
- * command that has been completed.
- *
- * Note: The adv_req_t request structure and adv_sgblk_t structure,
- * if any, are dropped, because a board structure pointer can not be
- * determined.
- */
- scp = reqp->cmndp;
- ASC_DBG1(1, "adv_isr_callback: scp 0x%lx\n", (ulong)scp);
- if (scp == NULL) {
- ASC_PRINT
- ("adv_isr_callback: scp is NULL; adv_req_t dropped.\n");
- return;
+ len = asc_prt_line(cp, leftlen, " Synchronous Transfer:");
+ ASC_PRT_NEXT();
+ for (i = 0; i <= ASC_MAX_TID; i++) {
+ if ((chip_scsi_id == i) ||
+ ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
+ continue;
+ }
+ len = asc_prt_line(cp, leftlen, " %X:%c",
+ i,
+ (v->
+ sdtr_done & ADV_TID_TO_TIDMASK(i)) ? 'Y' :
+ 'N');
+ ASC_PRT_NEXT();
}
- ASC_DBG_PRT_CDB(2, scp->cmnd, scp->cmd_len);
-
- shost = scp->device->host;
- ASC_STATS(shost, callback);
- ASC_DBG1(1, "adv_isr_callback: shost 0x%lx\n", (ulong)shost);
-
- boardp = ASC_BOARDP(shost);
- BUG_ON(adv_dvc_varp != &boardp->dvc_var.adv_dvc_var);
+ len = asc_prt_line(cp, leftlen, "\n");
+ ASC_PRT_NEXT();
- /*
- * 'done_status' contains the command's ending status.
- */
- switch (scsiqp->done_status) {
- case QD_NO_ERROR:
- ASC_DBG(2, "adv_isr_callback: QD_NO_ERROR\n");
- scp->result = 0;
+ for (i = 0; i <= ASC_MAX_TID; i++) {
+ uchar syn_period_ix;
- /*
- * Check for an underrun condition.
- *
- * If there was no error and an underrun condition, then
- * then return the number of underrun bytes.
- */
- resid_cnt = le32_to_cpu(scsiqp->data_cnt);
- if (scp->request_bufflen != 0 && resid_cnt != 0 &&
- resid_cnt <= scp->request_bufflen) {
- ASC_DBG1(1,
- "adv_isr_callback: underrun condition %lu bytes\n",
- (ulong)resid_cnt);
- scp->resid = resid_cnt;
+ if ((chip_scsi_id == i) ||
+ ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0) ||
+ ((v->init_sdtr & ADV_TID_TO_TIDMASK(i)) == 0)) {
+ continue;
}
- break;
- case QD_WITH_ERROR:
- ASC_DBG(2, "adv_isr_callback: QD_WITH_ERROR\n");
- switch (scsiqp->host_status) {
- case QHSTA_NO_ERROR:
- if (scsiqp->scsi_status == SAM_STAT_CHECK_CONDITION) {
- ASC_DBG(2,
- "adv_isr_callback: SAM_STAT_CHECK_CONDITION\n");
- ASC_DBG_PRT_SENSE(2, scp->sense_buffer,
- sizeof(scp->sense_buffer));
- /*
- * Note: The 'status_byte()' macro used by
- * target drivers defined in scsi.h shifts the
- * status byte returned by host drivers right
- * by 1 bit. This is why target drivers also
- * use right shifted status byte definitions.
- * For instance target drivers use
- * CHECK_CONDITION, defined to 0x1, instead of
- * the SCSI defined check condition value of
- * 0x2. Host drivers are supposed to return
- * the status byte as it is defined by SCSI.
- */
- scp->result = DRIVER_BYTE(DRIVER_SENSE) |
- STATUS_BYTE(scsiqp->scsi_status);
- } else {
- scp->result = STATUS_BYTE(scsiqp->scsi_status);
- }
- break;
+ len = asc_prt_line(cp, leftlen, " %X:", i);
+ ASC_PRT_NEXT();
- default:
- /* Some other QHSTA error occurred. */
- ASC_DBG1(1, "adv_isr_callback: host_status 0x%x\n",
- scsiqp->host_status);
- scp->result = HOST_BYTE(DID_BAD_TARGET);
- break;
- }
- break;
+ if ((boardp->sdtr_data[i] & ASC_SYN_MAX_OFFSET) == 0) {
+ len = asc_prt_line(cp, leftlen, " Asynchronous");
+ ASC_PRT_NEXT();
+ } else {
+ syn_period_ix =
+ (boardp->sdtr_data[i] >> 4) & (v->max_sdtr_index -
+ 1);
- case QD_ABORTED_BY_HOST:
- ASC_DBG(1, "adv_isr_callback: QD_ABORTED_BY_HOST\n");
- scp->result =
- HOST_BYTE(DID_ABORT) | STATUS_BYTE(scsiqp->scsi_status);
- break;
+ len = asc_prt_line(cp, leftlen,
+ " Transfer Period Factor: %d (%d.%d Mhz),",
+ v->sdtr_period_tbl[syn_period_ix],
+ 250 /
+ v->sdtr_period_tbl[syn_period_ix],
+ ASC_TENTHS(250,
+ v->
+ sdtr_period_tbl
+ [syn_period_ix]));
+ ASC_PRT_NEXT();
- default:
- ASC_DBG1(1, "adv_isr_callback: done_status 0x%x\n",
- scsiqp->done_status);
- scp->result =
- HOST_BYTE(DID_ERROR) | STATUS_BYTE(scsiqp->scsi_status);
- break;
- }
+ len = asc_prt_line(cp, leftlen, " REQ/ACK Offset: %d",
+ boardp->
+ sdtr_data[i] & ASC_SYN_MAX_OFFSET);
+ ASC_PRT_NEXT();
+ }
- /*
- * If the 'init_tidmask' bit isn't already set for the target and the
- * current request finished normally, then set the bit for the target
- * to indicate that a device is present.
- */
- if ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(scp->device->id)) == 0 &&
- scsiqp->done_status == QD_NO_ERROR &&
- scsiqp->host_status == QHSTA_NO_ERROR) {
- boardp->init_tidmask |= ADV_TID_TO_TIDMASK(scp->device->id);
+ if ((v->sdtr_done & ADV_TID_TO_TIDMASK(i)) == 0) {
+ len = asc_prt_line(cp, leftlen, "*\n");
+ renegotiate = 1;
+ } else {
+ len = asc_prt_line(cp, leftlen, "\n");
+ }
+ ASC_PRT_NEXT();
}
- asc_scsi_done(scp);
-
- /*
- * Free all 'adv_sgblk_t' structures allocated for the request.
- */
- while ((sgblkp = reqp->sgblkp) != NULL) {
- /* Remove 'sgblkp' from the request list. */
- reqp->sgblkp = sgblkp->next_sgblkp;
-
- /* Add 'sgblkp' to the board free list. */
- sgblkp->next_sgblkp = boardp->adv_sgblkp;
- boardp->adv_sgblkp = sgblkp;
+ if (renegotiate) {
+ len = asc_prt_line(cp, leftlen,
+ " * = Re-negotiation pending before next command.\n");
+ ASC_PRT_NEXT();
}
- /*
- * Free the adv_req_t structure used with the command by adding
- * it back to the board free list.
- */
- reqp->next_reqp = boardp->adv_reqp;
- boardp->adv_reqp = reqp;
-
- ASC_DBG(1, "adv_isr_callback: done\n");
-
- return;
-}
-
-/*
- * adv_async_callback() - Adv Library asynchronous event callback function.
- */
-static void adv_async_callback(ADV_DVC_VAR *adv_dvc_varp, uchar code)
-{
- switch (code) {
- case ADV_ASYNC_SCSI_BUS_RESET_DET:
- /*
- * The firmware detected a SCSI Bus reset.
- */
- ASC_DBG(0,
- "adv_async_callback: ADV_ASYNC_SCSI_BUS_RESET_DET\n");
- break;
-
- case ADV_ASYNC_RDMA_FAILURE:
- /*
- * Handle RDMA failure by resetting the SCSI Bus and
- * possibly the chip if it is unresponsive. Log the error
- * with a unique code.
- */
- ASC_DBG(0, "adv_async_callback: ADV_ASYNC_RDMA_FAILURE\n");
- AdvResetChipAndSB(adv_dvc_varp);
- break;
-
- case ADV_HOST_SCSI_BUS_RESET:
- /*
- * Host generated SCSI bus reset occurred.
- */
- ASC_DBG(0, "adv_async_callback: ADV_HOST_SCSI_BUS_RESET\n");
- break;
-
- default:
- ASC_DBG1(0, "DvcAsyncCallBack: unknown code 0x%x\n", code);
- break;
- }
+ return totlen;
}
-#ifdef CONFIG_PROC_FS
/*
- * asc_prt_board_devices()
+ * asc_prt_adv_board_info()
*
- * Print driver information for devices attached to the board.
+ * Print dynamic board configuration information.
*
* Note: no single line should be greater than ASC_PRTLINE_SIZE,
* cf. asc_prt_line().
* Return the number of characters copied into 'cp'. No more than
* 'cplen' characters will be copied to 'cp'.
*/
-static int asc_prt_board_devices(struct Scsi_Host *shost, char *cp, int cplen)
+static int asc_prt_adv_board_info(struct Scsi_Host *shost, char *cp, int cplen)
{
asc_board_t *boardp;
int leftlen;
int totlen;
int len;
- int chip_scsi_id;
int i;
+ ADV_DVC_VAR *v;
+ ADV_DVC_CFG *c;
+ AdvPortAddr iop_base;
+ ushort chip_scsi_id;
+ ushort lramword;
+ uchar lrambyte;
+ ushort tagqng_able;
+ ushort sdtr_able, wdtr_able;
+ ushort wdtr_done, sdtr_done;
+ ushort period = 0;
+ int renegotiate = 0;
boardp = ASC_BOARDP(shost);
+ v = &boardp->dvc_var.adv_dvc_var;
+ c = &boardp->dvc_cfg.adv_dvc_cfg;
+ iop_base = v->iop_base;
+ chip_scsi_id = v->chip_scsi_id;
+
leftlen = cplen;
totlen = len = 0;
len = asc_prt_line(cp, leftlen,
- "\nDevice Information for AdvanSys SCSI Host %d:\n",
+ "\nAdv Library Configuration and Statistics for AdvanSys SCSI Host %d:\n",
shost->host_no);
ASC_PRT_NEXT();
- if (ASC_NARROW_BOARD(boardp)) {
- chip_scsi_id = boardp->dvc_cfg.asc_dvc_cfg.chip_scsi_id;
- } else {
- chip_scsi_id = boardp->dvc_var.adv_dvc_var.chip_scsi_id;
- }
+ len = asc_prt_line(cp, leftlen,
+ " iop_base 0x%lx, cable_detect: %X, err_code %u\n",
+ v->iop_base,
+ AdvReadWordRegister(iop_base,
+ IOPW_SCSI_CFG1) & CABLE_DETECT,
+ v->err_code);
+ ASC_PRT_NEXT();
- len = asc_prt_line(cp, leftlen, "Target IDs Detected:");
+ len = asc_prt_line(cp, leftlen,
+ " chip_version %u, lib_version 0x%x, mcode_date 0x%x, mcode_version 0x%x\n",
+ c->chip_version, c->lib_version, c->mcode_date,
+ c->mcode_version);
+ ASC_PRT_NEXT();
+
+ AdvReadWordLram(iop_base, ASC_MC_TAGQNG_ABLE, tagqng_able);
+ len = asc_prt_line(cp, leftlen, " Queuing Enabled:");
ASC_PRT_NEXT();
for (i = 0; i <= ADV_MAX_TID; i++) {
- if (boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) {
- len = asc_prt_line(cp, leftlen, " %X,", i);
- ASC_PRT_NEXT();
+ if ((chip_scsi_id == i) ||
+ ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
+ continue;
}
+
+ len = asc_prt_line(cp, leftlen, " %X:%c",
+ i,
+ (tagqng_able & ADV_TID_TO_TIDMASK(i)) ? 'Y' :
+ 'N');
+ ASC_PRT_NEXT();
}
- len = asc_prt_line(cp, leftlen, " (%X=Host Adapter)\n", chip_scsi_id);
+ len = asc_prt_line(cp, leftlen, "\n");
ASC_PRT_NEXT();
- return totlen;
-}
+ len = asc_prt_line(cp, leftlen, " Queue Limit:");
+ ASC_PRT_NEXT();
+ for (i = 0; i <= ADV_MAX_TID; i++) {
+ if ((chip_scsi_id == i) ||
+ ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
+ continue;
+ }
-/*
- * Display Wide Board BIOS Information.
- */
-static int asc_prt_adv_bios(struct Scsi_Host *shost, char *cp, int cplen)
-{
- asc_board_t *boardp;
- int leftlen;
- int totlen;
- int len;
- ushort major, minor, letter;
+ AdvReadByteLram(iop_base, ASC_MC_NUMBER_OF_MAX_CMD + i,
+ lrambyte);
- boardp = ASC_BOARDP(shost);
- leftlen = cplen;
- totlen = len = 0;
+ len = asc_prt_line(cp, leftlen, " %X:%d", i, lrambyte);
+ ASC_PRT_NEXT();
+ }
+ len = asc_prt_line(cp, leftlen, "\n");
+ ASC_PRT_NEXT();
- len = asc_prt_line(cp, leftlen, "\nROM BIOS Version: ");
+ len = asc_prt_line(cp, leftlen, " Command Pending:");
ASC_PRT_NEXT();
+ for (i = 0; i <= ADV_MAX_TID; i++) {
+ if ((chip_scsi_id == i) ||
+ ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
+ continue;
+ }
- /*
- * If the BIOS saved a valid signature, then fill in
- * the BIOS code segment base address.
- */
- if (boardp->bios_signature != 0x55AA) {
- len = asc_prt_line(cp, leftlen, "Disabled or Pre-3.1\n");
- ASC_PRT_NEXT();
- len = asc_prt_line(cp, leftlen,
- "BIOS either disabled or Pre-3.1. If it is pre-3.1, then a newer version\n");
- ASC_PRT_NEXT();
- len = asc_prt_line(cp, leftlen,
- "can be found at the ConnectCom FTP site: ftp://ftp.connectcom.net/pub\n");
- ASC_PRT_NEXT();
- } else {
- major = (boardp->bios_version >> 12) & 0xF;
- minor = (boardp->bios_version >> 8) & 0xF;
- letter = (boardp->bios_version & 0xFF);
+ AdvReadByteLram(iop_base, ASC_MC_NUMBER_OF_QUEUED_CMD + i,
+ lrambyte);
- len = asc_prt_line(cp, leftlen, "%d.%d%c\n",
- major, minor,
- letter >= 26 ? '?' : letter + 'A');
+ len = asc_prt_line(cp, leftlen, " %X:%d", i, lrambyte);
ASC_PRT_NEXT();
+ }
+ len = asc_prt_line(cp, leftlen, "\n");
+ ASC_PRT_NEXT();
- /*
- * Current available ROM BIOS release is 3.1I for UW
- * and 3.2I for U2W. This code doesn't differentiate
- * UW and U2W boards.
- */
- if (major < 3 || (major <= 3 && minor < 1) ||
- (major <= 3 && minor <= 1 && letter < ('I' - 'A'))) {
- len = asc_prt_line(cp, leftlen,
- "Newer version of ROM BIOS is available at the ConnectCom FTP site:\n");
- ASC_PRT_NEXT();
- len = asc_prt_line(cp, leftlen,
- "ftp://ftp.connectcom.net/pub\n");
- ASC_PRT_NEXT();
+ AdvReadWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able);
+ len = asc_prt_line(cp, leftlen, " Wide Enabled:");
+ ASC_PRT_NEXT();
+ for (i = 0; i <= ADV_MAX_TID; i++) {
+ if ((chip_scsi_id == i) ||
+ ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
+ continue;
}
+
+ len = asc_prt_line(cp, leftlen, " %X:%c",
+ i,
+ (wdtr_able & ADV_TID_TO_TIDMASK(i)) ? 'Y' :
+ 'N');
+ ASC_PRT_NEXT();
}
+ len = asc_prt_line(cp, leftlen, "\n");
+ ASC_PRT_NEXT();
- return totlen;
-}
+ AdvReadWordLram(iop_base, ASC_MC_WDTR_DONE, wdtr_done);
+ len = asc_prt_line(cp, leftlen, " Transfer Bit Width:");
+ ASC_PRT_NEXT();
+ for (i = 0; i <= ADV_MAX_TID; i++) {
+ if ((chip_scsi_id == i) ||
+ ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
+ continue;
+ }
-/*
- * Add serial number to information bar if signature AAh
- * is found in at bit 15-9 (7 bits) of word 1.
- *
- * Serial Number consists fo 12 alpha-numeric digits.
- *
- * 1 - Product type (A,B,C,D..) Word0: 15-13 (3 bits)
- * 2 - MFG Location (A,B,C,D..) Word0: 12-10 (3 bits)
- * 3-4 - Product ID (0-99) Word0: 9-0 (10 bits)
- * 5 - Product revision (A-J) Word0: " "
- *
- * Signature Word1: 15-9 (7 bits)
- * 6 - Year (0-9) Word1: 8-6 (3 bits) & Word2: 15 (1 bit)
- * 7-8 - Week of the year (1-52) Word1: 5-0 (6 bits)
- *
- * 9-12 - Serial Number (A001-Z999) Word2: 14-0 (15 bits)
- *
- * Note 1: Only production cards will have a serial number.
- *
- * Note 2: Signature is most significant 7 bits (0xFE).
- *
- * Returns ASC_TRUE if serial number found, otherwise returns ASC_FALSE.
- */
-static int asc_get_eeprom_string(ushort *serialnum, uchar *cp)
-{
- ushort w, num;
+ AdvReadWordLram(iop_base,
+ ASC_MC_DEVICE_HSHK_CFG_TABLE + (2 * i),
+ lramword);
- if ((serialnum[1] & 0xFE00) != ((ushort)0xAA << 8)) {
- return ASC_FALSE;
- } else {
- /*
- * First word - 6 digits.
- */
- w = serialnum[0];
+ len = asc_prt_line(cp, leftlen, " %X:%d",
+ i, (lramword & 0x8000) ? 16 : 8);
+ ASC_PRT_NEXT();
- /* Product type - 1st digit. */
- if ((*cp = 'A' + ((w & 0xE000) >> 13)) == 'H') {
- /* Product type is P=Prototype */
- *cp += 0x8;
+ if ((wdtr_able & ADV_TID_TO_TIDMASK(i)) &&
+ (wdtr_done & ADV_TID_TO_TIDMASK(i)) == 0) {
+ len = asc_prt_line(cp, leftlen, "*");
+ ASC_PRT_NEXT();
+ renegotiate = 1;
}
- cp++;
+ }
+ len = asc_prt_line(cp, leftlen, "\n");
+ ASC_PRT_NEXT();
- /* Manufacturing location - 2nd digit. */
- *cp++ = 'A' + ((w & 0x1C00) >> 10);
+ AdvReadWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able);
+ len = asc_prt_line(cp, leftlen, " Synchronous Enabled:");
+ ASC_PRT_NEXT();
+ for (i = 0; i <= ADV_MAX_TID; i++) {
+ if ((chip_scsi_id == i) ||
+ ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
+ continue;
+ }
- /* Product ID - 3rd, 4th digits. */
- num = w & 0x3FF;
- *cp++ = '0' + (num / 100);
- num %= 100;
- *cp++ = '0' + (num / 10);
+ len = asc_prt_line(cp, leftlen, " %X:%c",
+ i,
+ (sdtr_able & ADV_TID_TO_TIDMASK(i)) ? 'Y' :
+ 'N');
+ ASC_PRT_NEXT();
+ }
+ len = asc_prt_line(cp, leftlen, "\n");
+ ASC_PRT_NEXT();
- /* Product revision - 5th digit. */
- *cp++ = 'A' + (num % 10);
+ AdvReadWordLram(iop_base, ASC_MC_SDTR_DONE, sdtr_done);
+ for (i = 0; i <= ADV_MAX_TID; i++) {
- /*
- * Second word
- */
- w = serialnum[1];
+ AdvReadWordLram(iop_base,
+ ASC_MC_DEVICE_HSHK_CFG_TABLE + (2 * i),
+ lramword);
+ lramword &= ~0x8000;
- /*
- * Year - 6th digit.
- *
- * If bit 15 of third word is set, then the
- * last digit of the year is greater than 7.
- */
- if (serialnum[2] & 0x8000) {
- *cp++ = '8' + ((w & 0x1C0) >> 6);
- } else {
- *cp++ = '0' + ((w & 0x1C0) >> 6);
+ if ((chip_scsi_id == i) ||
+ ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0) ||
+ ((sdtr_able & ADV_TID_TO_TIDMASK(i)) == 0)) {
+ continue;
}
- /* Week of year - 7th, 8th digits. */
- num = w & 0x003F;
- *cp++ = '0' + num / 10;
- num %= 10;
- *cp++ = '0' + num;
-
- /*
- * Third word
- */
- w = serialnum[2] & 0x7FFF;
+ len = asc_prt_line(cp, leftlen, " %X:", i);
+ ASC_PRT_NEXT();
- /* Serial number - 9th digit. */
- *cp++ = 'A' + (w / 1000);
+ if ((lramword & 0x1F) == 0) { /* Check for REQ/ACK Offset 0. */
+ len = asc_prt_line(cp, leftlen, " Asynchronous");
+ ASC_PRT_NEXT();
+ } else {
+ len =
+ asc_prt_line(cp, leftlen,
+ " Transfer Period Factor: ");
+ ASC_PRT_NEXT();
- /* 10th, 11th, 12th digits. */
- num = w % 1000;
- *cp++ = '0' + num / 100;
- num %= 100;
- *cp++ = '0' + num / 10;
- num %= 10;
- *cp++ = '0' + num;
+ if ((lramword & 0x1F00) == 0x1100) { /* 80 Mhz */
+ len =
+ asc_prt_line(cp, leftlen, "9 (80.0 Mhz),");
+ ASC_PRT_NEXT();
+ } else if ((lramword & 0x1F00) == 0x1000) { /* 40 Mhz */
+ len =
+ asc_prt_line(cp, leftlen, "10 (40.0 Mhz),");
+ ASC_PRT_NEXT();
+ } else { /* 20 Mhz or below. */
- *cp = '\0'; /* Null Terminate the string. */
- return ASC_TRUE;
+ period = (((lramword >> 8) * 25) + 50) / 4;
+
+ if (period == 0) { /* Should never happen. */
+ len =
+ asc_prt_line(cp, leftlen,
+ "%d (? Mhz), ");
+ ASC_PRT_NEXT();
+ } else {
+ len = asc_prt_line(cp, leftlen,
+ "%d (%d.%d Mhz),",
+ period, 250 / period,
+ ASC_TENTHS(250,
+ period));
+ ASC_PRT_NEXT();
+ }
+ }
+
+ len = asc_prt_line(cp, leftlen, " REQ/ACK Offset: %d",
+ lramword & 0x1F);
+ ASC_PRT_NEXT();
+ }
+
+ if ((sdtr_done & ADV_TID_TO_TIDMASK(i)) == 0) {
+ len = asc_prt_line(cp, leftlen, "*\n");
+ renegotiate = 1;
+ } else {
+ len = asc_prt_line(cp, leftlen, "\n");
+ }
+ ASC_PRT_NEXT();
}
+
+ if (renegotiate) {
+ len = asc_prt_line(cp, leftlen,
+ " * = Re-negotiation pending before next command.\n");
+ ASC_PRT_NEXT();
+ }
+
+ return totlen;
}
/*
- * asc_prt_asc_board_eeprom()
+ * asc_proc_copy()
*
- * Print board EEPROM configuration.
+ * Copy proc information to a read buffer taking into account the current
+ * read offset in the file and the remaining space in the read buffer.
+ */
+static int
+asc_proc_copy(off_t advoffset, off_t offset, char *curbuf, int leftlen,
+ char *cp, int cplen)
+{
+ int cnt = 0;
+
+ ASC_DBG3(2, "asc_proc_copy: offset %d, advoffset %d, cplen %d\n",
+ (unsigned)offset, (unsigned)advoffset, cplen);
+ if (offset <= advoffset) {
+ /* Read offset below current offset, copy everything. */
+ cnt = min(cplen, leftlen);
+ ASC_DBG3(2, "asc_proc_copy: curbuf 0x%lx, cp 0x%lx, cnt %d\n",
+ (ulong)curbuf, (ulong)cp, cnt);
+ memcpy(curbuf, cp, cnt);
+ } else if (offset < advoffset + cplen) {
+ /* Read offset within current range, partial copy. */
+ cnt = (advoffset + cplen) - offset;
+ cp = (cp + cplen) - cnt;
+ cnt = min(cnt, leftlen);
+ ASC_DBG3(2, "asc_proc_copy: curbuf 0x%lx, cp 0x%lx, cnt %d\n",
+ (ulong)curbuf, (ulong)cp, cnt);
+ memcpy(curbuf, cp, cnt);
+ }
+ return cnt;
+}
+
+#ifdef ADVANSYS_STATS
+/*
+ * asc_prt_board_stats()
*
* Note: no single line should be greater than ASC_PRTLINE_SIZE,
* cf. asc_prt_line().
* Return the number of characters copied into 'cp'. No more than
* 'cplen' characters will be copied to 'cp'.
*/
-static int asc_prt_asc_board_eeprom(struct Scsi_Host *shost, char *cp, int cplen)
+static int asc_prt_board_stats(struct Scsi_Host *shost, char *cp, int cplen)
{
- asc_board_t *boardp;
- ASC_DVC_VAR *asc_dvc_varp;
int leftlen;
int totlen;
int len;
- ASCEEP_CONFIG *ep;
- int i;
-#ifdef CONFIG_ISA
- int isa_dma_speed[] = { 10, 8, 7, 6, 5, 4, 3, 2 };
-#endif /* CONFIG_ISA */
- uchar serialstr[13];
-
- boardp = ASC_BOARDP(shost);
- asc_dvc_varp = &boardp->dvc_var.asc_dvc_var;
- ep = &boardp->eep_config.asc_eep;
+ struct asc_stats *s;
+ asc_board_t *boardp;
leftlen = cplen;
totlen = len = 0;
+ boardp = ASC_BOARDP(shost);
+ s = &boardp->asc_stats;
+
len = asc_prt_line(cp, leftlen,
- "\nEEPROM Settings for AdvanSys SCSI Host %d:\n",
+ "\nLinux Driver Statistics for AdvanSys SCSI Host %d:\n",
shost->host_no);
ASC_PRT_NEXT();
- if (asc_get_eeprom_string((ushort *)&ep->adapter_info[0], serialstr)
- == ASC_TRUE) {
- len =
- asc_prt_line(cp, leftlen, " Serial Number: %s\n",
- serialstr);
- ASC_PRT_NEXT();
- } else {
- if (ep->adapter_info[5] == 0xBB) {
- len = asc_prt_line(cp, leftlen,
- " Default Settings Used for EEPROM-less Adapter.\n");
- ASC_PRT_NEXT();
- } else {
- len = asc_prt_line(cp, leftlen,
- " Serial Number Signature Not Present.\n");
- ASC_PRT_NEXT();
- }
- }
-
len = asc_prt_line(cp, leftlen,
- " Host SCSI ID: %u, Host Queue Size: %u, Device Queue Size: %u\n",
- ASC_EEP_GET_CHIP_ID(ep), ep->max_total_qng,
- ep->max_tag_qng);
+ " queuecommand %lu, reset %lu, biosparam %lu, interrupt %lu\n",
+ s->queuecommand, s->reset, s->biosparam,
+ s->interrupt);
ASC_PRT_NEXT();
len = asc_prt_line(cp, leftlen,
- " cntl 0x%x, no_scam 0x%x\n", ep->cntl, ep->no_scam);
+ " callback %lu, done %lu, build_error %lu, build_noreq %lu, build_nosg %lu\n",
+ s->callback, s->done, s->build_error,
+ s->adv_build_noreq, s->adv_build_nosg);
ASC_PRT_NEXT();
- len = asc_prt_line(cp, leftlen, " Target ID: ");
+ len = asc_prt_line(cp, leftlen,
+ " exe_noerror %lu, exe_busy %lu, exe_error %lu, exe_unknown %lu\n",
+ s->exe_noerror, s->exe_busy, s->exe_error,
+ s->exe_unknown);
ASC_PRT_NEXT();
- for (i = 0; i <= ASC_MAX_TID; i++) {
- len = asc_prt_line(cp, leftlen, " %d", i);
+
+ /*
+ * Display data transfer statistics.
+ */
+ if (s->cont_cnt > 0) {
+ len = asc_prt_line(cp, leftlen, " cont_cnt %lu, ", s->cont_cnt);
ASC_PRT_NEXT();
- }
- len = asc_prt_line(cp, leftlen, "\n");
- ASC_PRT_NEXT();
- len = asc_prt_line(cp, leftlen, " Disconnects: ");
- ASC_PRT_NEXT();
- for (i = 0; i <= ASC_MAX_TID; i++) {
- len = asc_prt_line(cp, leftlen, " %c",
- (ep->
- disc_enable & ADV_TID_TO_TIDMASK(i)) ? 'Y' :
- 'N');
+ len = asc_prt_line(cp, leftlen, "cont_xfer %lu.%01lu kb ",
+ s->cont_xfer / 2,
+ ASC_TENTHS(s->cont_xfer, 2));
ASC_PRT_NEXT();
- }
- len = asc_prt_line(cp, leftlen, "\n");
- ASC_PRT_NEXT();
- len = asc_prt_line(cp, leftlen, " Command Queuing: ");
- ASC_PRT_NEXT();
- for (i = 0; i <= ASC_MAX_TID; i++) {
- len = asc_prt_line(cp, leftlen, " %c",
- (ep->
- use_cmd_qng & ADV_TID_TO_TIDMASK(i)) ? 'Y' :
- 'N');
+ /* Contiguous transfer average size */
+ len = asc_prt_line(cp, leftlen, "avg_xfer %lu.%01lu kb\n",
+ (s->cont_xfer / 2) / s->cont_cnt,
+ ASC_TENTHS((s->cont_xfer / 2), s->cont_cnt));
ASC_PRT_NEXT();
}
- len = asc_prt_line(cp, leftlen, "\n");
- ASC_PRT_NEXT();
- len = asc_prt_line(cp, leftlen, " Start Motor: ");
- ASC_PRT_NEXT();
- for (i = 0; i <= ASC_MAX_TID; i++) {
- len = asc_prt_line(cp, leftlen, " %c",
- (ep->
- start_motor & ADV_TID_TO_TIDMASK(i)) ? 'Y' :
- 'N');
+ if (s->sg_cnt > 0) {
+
+ len = asc_prt_line(cp, leftlen, " sg_cnt %lu, sg_elem %lu, ",
+ s->sg_cnt, s->sg_elem);
ASC_PRT_NEXT();
- }
- len = asc_prt_line(cp, leftlen, "\n");
- ASC_PRT_NEXT();
- len = asc_prt_line(cp, leftlen, " Synchronous Transfer:");
- ASC_PRT_NEXT();
- for (i = 0; i <= ASC_MAX_TID; i++) {
- len = asc_prt_line(cp, leftlen, " %c",
- (ep->
- init_sdtr & ADV_TID_TO_TIDMASK(i)) ? 'Y' :
- 'N');
+ len = asc_prt_line(cp, leftlen, "sg_xfer %lu.%01lu kb\n",
+ s->sg_xfer / 2, ASC_TENTHS(s->sg_xfer, 2));
ASC_PRT_NEXT();
- }
- len = asc_prt_line(cp, leftlen, "\n");
- ASC_PRT_NEXT();
-#ifdef CONFIG_ISA
- if (asc_dvc_varp->bus_type & ASC_IS_ISA) {
- len = asc_prt_line(cp, leftlen,
- " Host ISA DMA speed: %d MB/S\n",
- isa_dma_speed[ASC_EEP_GET_DMA_SPD(ep)]);
+ /* Scatter gather transfer statistics */
+ len = asc_prt_line(cp, leftlen, " avg_num_elem %lu.%01lu, ",
+ s->sg_elem / s->sg_cnt,
+ ASC_TENTHS(s->sg_elem, s->sg_cnt));
+ ASC_PRT_NEXT();
+
+ len = asc_prt_line(cp, leftlen, "avg_elem_size %lu.%01lu kb, ",
+ (s->sg_xfer / 2) / s->sg_elem,
+ ASC_TENTHS((s->sg_xfer / 2), s->sg_elem));
+ ASC_PRT_NEXT();
+
+ len = asc_prt_line(cp, leftlen, "avg_xfer_size %lu.%01lu kb\n",
+ (s->sg_xfer / 2) / s->sg_cnt,
+ ASC_TENTHS((s->sg_xfer / 2), s->sg_cnt));
ASC_PRT_NEXT();
}
-#endif /* CONFIG_ISA */
+
+ /*
+ * Display request queuing statistics.
+ */
+ len = asc_prt_line(cp, leftlen,
+ " Active and Waiting Request Queues (Time Unit: %d HZ):\n",
+ HZ);
+ ASC_PRT_NEXT();
return totlen;
}
+#endif /* ADVANSYS_STATS */
/*
- * asc_prt_adv_board_eeprom()
+ * advansys_proc_info() - /proc/scsi/advansys/{0,1,2,3,...}
*
- * Print board EEPROM configuration.
+ * *buffer: I/O buffer
+ * **start: if inout == FALSE pointer into buffer where user read should start
+ * offset: current offset into a /proc/scsi/advansys/[0...] file
+ * length: length of buffer
+ * hostno: Scsi_Host host_no
+ * inout: TRUE - user is writing; FALSE - user is reading
*
- * Note: no single line should be greater than ASC_PRTLINE_SIZE,
- * cf. asc_prt_line().
+ * Return the number of bytes read from or written to a
+ * /proc/scsi/advansys/[0...] file.
*
- * Return the number of characters copied into 'cp'. No more than
- * 'cplen' characters will be copied to 'cp'.
+ * Note: This function uses the per board buffer 'prtbuf' which is
+ * allocated when the board is initialized in advansys_detect(). The
+ * buffer is ASC_PRTBUF_SIZE bytes. The function asc_proc_copy() is
+ * used to write to the buffer. The way asc_proc_copy() is written
+ * if 'prtbuf' is too small it will not be overwritten. Instead the
+ * user just won't get all the available statistics.
*/
-static int asc_prt_adv_board_eeprom(struct Scsi_Host *shost, char *cp, int cplen)
+static int
+advansys_proc_info(struct Scsi_Host *shost, char *buffer, char **start,
+ off_t offset, int length, int inout)
{
asc_board_t *boardp;
- ADV_DVC_VAR *adv_dvc_varp;
+ char *cp;
+ int cplen;
+ int cnt;
+ int totcnt;
int leftlen;
- int totlen;
- int len;
- int i;
- char *termstr;
- uchar serialstr[13];
- ADVEEP_3550_CONFIG *ep_3550 = NULL;
- ADVEEP_38C0800_CONFIG *ep_38C0800 = NULL;
- ADVEEP_38C1600_CONFIG *ep_38C1600 = NULL;
- ushort word;
- ushort *wordp;
- ushort sdtr_speed = 0;
+ char *curbuf;
+ off_t advoffset;
- boardp = ASC_BOARDP(shost);
- adv_dvc_varp = &boardp->dvc_var.adv_dvc_var;
- if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
- ep_3550 = &boardp->eep_config.adv_3550_eep;
- } else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) {
- ep_38C0800 = &boardp->eep_config.adv_38C0800_eep;
- } else {
- ep_38C1600 = &boardp->eep_config.adv_38C1600_eep;
+ ASC_DBG(1, "advansys_proc_info: begin\n");
+
+ /*
+ * User write not supported.
+ */
+ if (inout == TRUE) {
+ return (-ENOSYS);
}
- leftlen = cplen;
- totlen = len = 0;
+ /*
+ * User read of /proc/scsi/advansys/[0...] file.
+ */
- len = asc_prt_line(cp, leftlen,
- "\nEEPROM Settings for AdvanSys SCSI Host %d:\n",
- shost->host_no);
- ASC_PRT_NEXT();
+ boardp = ASC_BOARDP(shost);
- if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
- wordp = &ep_3550->serial_number_word1;
- } else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) {
- wordp = &ep_38C0800->serial_number_word1;
- } else {
- wordp = &ep_38C1600->serial_number_word1;
+ /* Copy read data starting at the beginning of the buffer. */
+ *start = buffer;
+ curbuf = buffer;
+ advoffset = 0;
+ totcnt = 0;
+ leftlen = length;
+
+ /*
+ * Get board configuration information.
+ *
+ * advansys_info() returns the board string from its own static buffer.
+ */
+ cp = (char *)advansys_info(shost);
+ strcat(cp, "\n");
+ cplen = strlen(cp);
+ /* Copy board information. */
+ cnt = asc_proc_copy(advoffset, offset, curbuf, leftlen, cp, cplen);
+ totcnt += cnt;
+ leftlen -= cnt;
+ if (leftlen == 0) {
+ ASC_DBG1(1, "advansys_proc_info: totcnt %d\n", totcnt);
+ return totcnt;
}
+ advoffset += cplen;
+ curbuf += cnt;
- if (asc_get_eeprom_string(wordp, serialstr) == ASC_TRUE) {
- len =
- asc_prt_line(cp, leftlen, " Serial Number: %s\n",
- serialstr);
- ASC_PRT_NEXT();
- } else {
- len = asc_prt_line(cp, leftlen,
- " Serial Number Signature Not Present.\n");
- ASC_PRT_NEXT();
+ /*
+ * Display Wide Board BIOS Information.
+ */
+ if (ASC_WIDE_BOARD(boardp)) {
+ cp = boardp->prtbuf;
+ cplen = asc_prt_adv_bios(shost, cp, ASC_PRTBUF_SIZE);
+ BUG_ON(cplen >= ASC_PRTBUF_SIZE);
+ cnt = asc_proc_copy(advoffset, offset, curbuf, leftlen, cp,
+ cplen);
+ totcnt += cnt;
+ leftlen -= cnt;
+ if (leftlen == 0) {
+ ASC_DBG1(1, "advansys_proc_info: totcnt %d\n", totcnt);
+ return totcnt;
+ }
+ advoffset += cplen;
+ curbuf += cnt;
}
- if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
- len = asc_prt_line(cp, leftlen,
- " Host SCSI ID: %u, Host Queue Size: %u, Device Queue Size: %u\n",
- ep_3550->adapter_scsi_id,
- ep_3550->max_host_qng, ep_3550->max_dvc_qng);
- ASC_PRT_NEXT();
- } else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) {
- len = asc_prt_line(cp, leftlen,
- " Host SCSI ID: %u, Host Queue Size: %u, Device Queue Size: %u\n",
- ep_38C0800->adapter_scsi_id,
- ep_38C0800->max_host_qng,
- ep_38C0800->max_dvc_qng);
- ASC_PRT_NEXT();
- } else {
- len = asc_prt_line(cp, leftlen,
- " Host SCSI ID: %u, Host Queue Size: %u, Device Queue Size: %u\n",
- ep_38C1600->adapter_scsi_id,
- ep_38C1600->max_host_qng,
- ep_38C1600->max_dvc_qng);
- ASC_PRT_NEXT();
+ /*
+ * Display driver information for each device attached to the board.
+ */
+ cp = boardp->prtbuf;
+ cplen = asc_prt_board_devices(shost, cp, ASC_PRTBUF_SIZE);
+ BUG_ON(cplen >= ASC_PRTBUF_SIZE);
+ cnt = asc_proc_copy(advoffset, offset, curbuf, leftlen, cp, cplen);
+ totcnt += cnt;
+ leftlen -= cnt;
+ if (leftlen == 0) {
+ ASC_DBG1(1, "advansys_proc_info: totcnt %d\n", totcnt);
+ return totcnt;
}
- if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
- word = ep_3550->termination;
- } else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) {
- word = ep_38C0800->termination_lvd;
+ advoffset += cplen;
+ curbuf += cnt;
+
+ /*
+ * Display EEPROM configuration for the board.
+ */
+ cp = boardp->prtbuf;
+ if (ASC_NARROW_BOARD(boardp)) {
+ cplen = asc_prt_asc_board_eeprom(shost, cp, ASC_PRTBUF_SIZE);
} else {
- word = ep_38C1600->termination_lvd;
+ cplen = asc_prt_adv_board_eeprom(shost, cp, ASC_PRTBUF_SIZE);
}
- switch (word) {
- case 1:
- termstr = "Low Off/High Off";
- break;
- case 2:
- termstr = "Low Off/High On";
- break;
- case 3:
- termstr = "Low On/High On";
- break;
- default:
- case 0:
- termstr = "Automatic";
- break;
+ BUG_ON(cplen >= ASC_PRTBUF_SIZE);
+ cnt = asc_proc_copy(advoffset, offset, curbuf, leftlen, cp, cplen);
+ totcnt += cnt;
+ leftlen -= cnt;
+ if (leftlen == 0) {
+ ASC_DBG1(1, "advansys_proc_info: totcnt %d\n", totcnt);
+ return totcnt;
}
+ advoffset += cplen;
+ curbuf += cnt;
- if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
- len = asc_prt_line(cp, leftlen,
- " termination: %u (%s), bios_ctrl: 0x%x\n",
- ep_3550->termination, termstr,
- ep_3550->bios_ctrl);
- ASC_PRT_NEXT();
- } else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) {
- len = asc_prt_line(cp, leftlen,
- " termination: %u (%s), bios_ctrl: 0x%x\n",
- ep_38C0800->termination_lvd, termstr,
- ep_38C0800->bios_ctrl);
- ASC_PRT_NEXT();
- } else {
- len = asc_prt_line(cp, leftlen,
- " termination: %u (%s), bios_ctrl: 0x%x\n",
- ep_38C1600->termination_lvd, termstr,
- ep_38C1600->bios_ctrl);
- ASC_PRT_NEXT();
+ /*
+ * Display driver configuration and information for the board.
+ */
+ cp = boardp->prtbuf;
+ cplen = asc_prt_driver_conf(shost, cp, ASC_PRTBUF_SIZE);
+ BUG_ON(cplen >= ASC_PRTBUF_SIZE);
+ cnt = asc_proc_copy(advoffset, offset, curbuf, leftlen, cp, cplen);
+ totcnt += cnt;
+ leftlen -= cnt;
+ if (leftlen == 0) {
+ ASC_DBG1(1, "advansys_proc_info: totcnt %d\n", totcnt);
+ return totcnt;
}
+ advoffset += cplen;
+ curbuf += cnt;
- len = asc_prt_line(cp, leftlen, " Target ID: ");
- ASC_PRT_NEXT();
- for (i = 0; i <= ADV_MAX_TID; i++) {
- len = asc_prt_line(cp, leftlen, " %X", i);
- ASC_PRT_NEXT();
+#ifdef ADVANSYS_STATS
+ /*
+ * Display driver statistics for the board.
+ */
+ cp = boardp->prtbuf;
+ cplen = asc_prt_board_stats(shost, cp, ASC_PRTBUF_SIZE);
+ BUG_ON(cplen >= ASC_PRTBUF_SIZE);
+ cnt = asc_proc_copy(advoffset, offset, curbuf, leftlen, cp, cplen);
+ totcnt += cnt;
+ leftlen -= cnt;
+ if (leftlen == 0) {
+ ASC_DBG1(1, "advansys_proc_info: totcnt %d\n", totcnt);
+ return totcnt;
}
- len = asc_prt_line(cp, leftlen, "\n");
- ASC_PRT_NEXT();
+ advoffset += cplen;
+ curbuf += cnt;
+#endif /* ADVANSYS_STATS */
- if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
- word = ep_3550->disc_enable;
- } else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) {
- word = ep_38C0800->disc_enable;
+ /*
+ * Display Asc Library dynamic configuration information
+ * for the board.
+ */
+ cp = boardp->prtbuf;
+ if (ASC_NARROW_BOARD(boardp)) {
+ cplen = asc_prt_asc_board_info(shost, cp, ASC_PRTBUF_SIZE);
} else {
- word = ep_38C1600->disc_enable;
+ cplen = asc_prt_adv_board_info(shost, cp, ASC_PRTBUF_SIZE);
}
- len = asc_prt_line(cp, leftlen, " Disconnects: ");
- ASC_PRT_NEXT();
- for (i = 0; i <= ADV_MAX_TID; i++) {
- len = asc_prt_line(cp, leftlen, " %c",
- (word & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N');
- ASC_PRT_NEXT();
+ BUG_ON(cplen >= ASC_PRTBUF_SIZE);
+ cnt = asc_proc_copy(advoffset, offset, curbuf, leftlen, cp, cplen);
+ totcnt += cnt;
+ leftlen -= cnt;
+ if (leftlen == 0) {
+ ASC_DBG1(1, "advansys_proc_info: totcnt %d\n", totcnt);
+ return totcnt;
}
- len = asc_prt_line(cp, leftlen, "\n");
- ASC_PRT_NEXT();
+ advoffset += cplen;
+ curbuf += cnt;
- if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
- word = ep_3550->tagqng_able;
- } else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) {
- word = ep_38C0800->tagqng_able;
- } else {
- word = ep_38C1600->tagqng_able;
- }
- len = asc_prt_line(cp, leftlen, " Command Queuing: ");
- ASC_PRT_NEXT();
- for (i = 0; i <= ADV_MAX_TID; i++) {
- len = asc_prt_line(cp, leftlen, " %c",
- (word & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N');
- ASC_PRT_NEXT();
- }
- len = asc_prt_line(cp, leftlen, "\n");
- ASC_PRT_NEXT();
+ ASC_DBG1(1, "advansys_proc_info: totcnt %d\n", totcnt);
- if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
- word = ep_3550->start_motor;
- } else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) {
- word = ep_38C0800->start_motor;
+ return totcnt;
+}
+#endif /* CONFIG_PROC_FS */
+
+static void asc_scsi_done(struct scsi_cmnd *scp)
+{
+ struct asc_board *boardp = ASC_BOARDP(scp->device->host);
+
+ if (scp->use_sg)
+ dma_unmap_sg(boardp->dev,
+ (struct scatterlist *)scp->request_buffer,
+ scp->use_sg, scp->sc_data_direction);
+ else if (scp->request_bufflen)
+ dma_unmap_single(boardp->dev, scp->SCp.dma_handle,
+ scp->request_bufflen, scp->sc_data_direction);
+
+ ASC_STATS(scp->device->host, done);
+
+ scp->scsi_done(scp);
+}
+
+static void AscSetBank(PortAddr iop_base, uchar bank)
+{
+ uchar val;
+
+ val = AscGetChipControl(iop_base) &
+ (~
+ (CC_SINGLE_STEP | CC_TEST | CC_DIAG | CC_SCSI_RESET |
+ CC_CHIP_RESET));
+ if (bank == 1) {
+ val |= CC_BANK_ONE;
+ } else if (bank == 2) {
+ val |= CC_DIAG | CC_BANK_ONE;
} else {
- word = ep_38C1600->start_motor;
+ val &= ~CC_BANK_ONE;
}
- len = asc_prt_line(cp, leftlen, " Start Motor: ");
- ASC_PRT_NEXT();
- for (i = 0; i <= ADV_MAX_TID; i++) {
- len = asc_prt_line(cp, leftlen, " %c",
- (word & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N');
- ASC_PRT_NEXT();
+ AscSetChipControl(iop_base, val);
+ return;
+}
+
+static void AscSetChipIH(PortAddr iop_base, ushort ins_code)
+{
+ AscSetBank(iop_base, 1);
+ AscWriteChipIH(iop_base, ins_code);
+ AscSetBank(iop_base, 0);
+ return;
+}
+
+static int AscStartChip(PortAddr iop_base)
+{
+ AscSetChipControl(iop_base, 0);
+ if ((AscGetChipStatus(iop_base) & CSW_HALTED) != 0) {
+ return (0);
}
- len = asc_prt_line(cp, leftlen, "\n");
- ASC_PRT_NEXT();
+ return (1);
+}
- if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
- len = asc_prt_line(cp, leftlen, " Synchronous Transfer:");
- ASC_PRT_NEXT();
- for (i = 0; i <= ADV_MAX_TID; i++) {
- len = asc_prt_line(cp, leftlen, " %c",
- (ep_3550->
- sdtr_able & ADV_TID_TO_TIDMASK(i)) ?
- 'Y' : 'N');
- ASC_PRT_NEXT();
- }
- len = asc_prt_line(cp, leftlen, "\n");
- ASC_PRT_NEXT();
+static int AscStopChip(PortAddr iop_base)
+{
+ uchar cc_val;
+
+ cc_val =
+ AscGetChipControl(iop_base) &
+ (~(CC_SINGLE_STEP | CC_TEST | CC_DIAG));
+ AscSetChipControl(iop_base, (uchar)(cc_val | CC_HALT));
+ AscSetChipIH(iop_base, INS_HALT);
+ AscSetChipIH(iop_base, INS_RFLAG_WTM);
+ if ((AscGetChipStatus(iop_base) & CSW_HALTED) == 0) {
+ return (0);
}
+ return (1);
+}
- if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
- len = asc_prt_line(cp, leftlen, " Ultra Transfer: ");
- ASC_PRT_NEXT();
- for (i = 0; i <= ADV_MAX_TID; i++) {
- len = asc_prt_line(cp, leftlen, " %c",
- (ep_3550->
- ultra_able & ADV_TID_TO_TIDMASK(i))
- ? 'Y' : 'N');
- ASC_PRT_NEXT();
+static int AscIsChipHalted(PortAddr iop_base)
+{
+ if ((AscGetChipStatus(iop_base) & CSW_HALTED) != 0) {
+ if ((AscGetChipControl(iop_base) & CC_HALT) != 0) {
+ return (1);
}
- len = asc_prt_line(cp, leftlen, "\n");
- ASC_PRT_NEXT();
}
+ return (0);
+}
- if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
- word = ep_3550->wdtr_able;
- } else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) {
- word = ep_38C0800->wdtr_able;
- } else {
- word = ep_38C1600->wdtr_able;
- }
- len = asc_prt_line(cp, leftlen, " Wide Transfer: ");
- ASC_PRT_NEXT();
- for (i = 0; i <= ADV_MAX_TID; i++) {
- len = asc_prt_line(cp, leftlen, " %c",
- (word & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N');
- ASC_PRT_NEXT();
+static int AscResetChipAndScsiBus(ASC_DVC_VAR *asc_dvc)
+{
+ PortAddr iop_base;
+ int i = 10;
+
+ iop_base = asc_dvc->iop_base;
+ while ((AscGetChipStatus(iop_base) & CSW_SCSI_RESET_ACTIVE)
+ && (i-- > 0)) {
+ mdelay(100);
}
- len = asc_prt_line(cp, leftlen, "\n");
- ASC_PRT_NEXT();
+ AscStopChip(iop_base);
+ AscSetChipControl(iop_base, CC_CHIP_RESET | CC_SCSI_RESET | CC_HALT);
+ udelay(60);
+ AscSetChipIH(iop_base, INS_RFLAG_WTM);
+ AscSetChipIH(iop_base, INS_HALT);
+ AscSetChipControl(iop_base, CC_CHIP_RESET | CC_HALT);
+ AscSetChipControl(iop_base, CC_HALT);
+ mdelay(200);
+ AscSetChipStatus(iop_base, CIW_CLR_SCSI_RESET_INT);
+ AscSetChipStatus(iop_base, 0);
+ return (AscIsChipHalted(iop_base));
+}
- if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800 ||
- adv_dvc_varp->chip_type == ADV_CHIP_ASC38C1600) {
- len = asc_prt_line(cp, leftlen,
- " Synchronous Transfer Speed (Mhz):\n ");
- ASC_PRT_NEXT();
- for (i = 0; i <= ADV_MAX_TID; i++) {
- char *speed_str;
+static int AscFindSignature(PortAddr iop_base)
+{
+ ushort sig_word;
- if (i == 0) {
- sdtr_speed = adv_dvc_varp->sdtr_speed1;
- } else if (i == 4) {
- sdtr_speed = adv_dvc_varp->sdtr_speed2;
- } else if (i == 8) {
- sdtr_speed = adv_dvc_varp->sdtr_speed3;
- } else if (i == 12) {
- sdtr_speed = adv_dvc_varp->sdtr_speed4;
- }
- switch (sdtr_speed & ADV_MAX_TID) {
- case 0:
- speed_str = "Off";
- break;
- case 1:
- speed_str = " 5";
- break;
- case 2:
- speed_str = " 10";
- break;
- case 3:
- speed_str = " 20";
- break;
- case 4:
- speed_str = " 40";
- break;
- case 5:
- speed_str = " 80";
- break;
- default:
- speed_str = "Unk";
- break;
- }
- len = asc_prt_line(cp, leftlen, "%X:%s ", i, speed_str);
- ASC_PRT_NEXT();
- if (i == 7) {
- len = asc_prt_line(cp, leftlen, "\n ");
- ASC_PRT_NEXT();
- }
- sdtr_speed >>= 4;
+ ASC_DBG2(1, "AscFindSignature: AscGetChipSignatureByte(0x%x) 0x%x\n",
+ iop_base, AscGetChipSignatureByte(iop_base));
+ if (AscGetChipSignatureByte(iop_base) == (uchar)ASC_1000_ID1B) {
+ ASC_DBG2(1,
+ "AscFindSignature: AscGetChipSignatureWord(0x%x) 0x%x\n",
+ iop_base, AscGetChipSignatureWord(iop_base));
+ sig_word = AscGetChipSignatureWord(iop_base);
+ if ((sig_word == (ushort)ASC_1000_ID0W) ||
+ (sig_word == (ushort)ASC_1000_ID0W_FIX)) {
+ return (1);
}
- len = asc_prt_line(cp, leftlen, "\n");
- ASC_PRT_NEXT();
}
-
- return totlen;
+ return (0);
}
-/*
- * asc_prt_driver_conf()
- *
- * Note: no single line should be greater than ASC_PRTLINE_SIZE,
- * cf. asc_prt_line().
- *
- * Return the number of characters copied into 'cp'. No more than
- * 'cplen' characters will be copied to 'cp'.
- */
-static int asc_prt_driver_conf(struct Scsi_Host *shost, char *cp, int cplen)
+static void AscEnableInterrupt(PortAddr iop_base)
{
- asc_board_t *boardp;
- int leftlen;
- int totlen;
- int len;
- int chip_scsi_id;
+ ushort cfg;
- boardp = ASC_BOARDP(shost);
+ cfg = AscGetChipCfgLsw(iop_base);
+ AscSetChipCfgLsw(iop_base, cfg | ASC_CFG0_HOST_INT_ON);
+ return;
+}
- leftlen = cplen;
- totlen = len = 0;
+static void AscDisableInterrupt(PortAddr iop_base)
+{
+ ushort cfg;
- len = asc_prt_line(cp, leftlen,
- "\nLinux Driver Configuration and Information for AdvanSys SCSI Host %d:\n",
- shost->host_no);
- ASC_PRT_NEXT();
+ cfg = AscGetChipCfgLsw(iop_base);
+ AscSetChipCfgLsw(iop_base, cfg & (~ASC_CFG0_HOST_INT_ON));
+ return;
+}
- len = asc_prt_line(cp, leftlen,
- " host_busy %u, last_reset %u, max_id %u, max_lun %u, max_channel %u\n",
- shost->host_busy, shost->last_reset, shost->max_id,
- shost->max_lun, shost->max_channel);
- ASC_PRT_NEXT();
+static uchar AscReadLramByte(PortAddr iop_base, ushort addr)
+{
+ unsigned char byte_data;
+ unsigned short word_data;
- len = asc_prt_line(cp, leftlen,
- " unique_id %d, can_queue %d, this_id %d, sg_tablesize %u, cmd_per_lun %u\n",
- shost->unique_id, shost->can_queue, shost->this_id,
- shost->sg_tablesize, shost->cmd_per_lun);
- ASC_PRT_NEXT();
+ if (isodd_word(addr)) {
+ AscSetChipLramAddr(iop_base, addr - 1);
+ word_data = AscGetChipLramData(iop_base);
+ byte_data = (word_data >> 8) & 0xFF;
+ } else {
+ AscSetChipLramAddr(iop_base, addr);
+ word_data = AscGetChipLramData(iop_base);
+ byte_data = word_data & 0xFF;
+ }
+ return byte_data;
+}
- len = asc_prt_line(cp, leftlen,
- " unchecked_isa_dma %d, use_clustering %d\n",
- shost->unchecked_isa_dma, shost->use_clustering);
- ASC_PRT_NEXT();
+static ushort AscReadLramWord(PortAddr iop_base, ushort addr)
+{
+ ushort word_data;
- len = asc_prt_line(cp, leftlen,
- " flags 0x%x, last_reset 0x%x, jiffies 0x%x, asc_n_io_port 0x%x\n",
- boardp->flags, boardp->last_reset, jiffies,
- boardp->asc_n_io_port);
- ASC_PRT_NEXT();
+ AscSetChipLramAddr(iop_base, addr);
+ word_data = AscGetChipLramData(iop_base);
+ return (word_data);
+}
- len = asc_prt_line(cp, leftlen, " io_port 0x%x\n", shost->io_port);
- ASC_PRT_NEXT();
+#if CC_VERY_LONG_SG_LIST
+static ASC_DCNT AscReadLramDWord(PortAddr iop_base, ushort addr)
+{
+ ushort val_low, val_high;
+ ASC_DCNT dword_data;
- if (ASC_NARROW_BOARD(boardp)) {
- chip_scsi_id = boardp->dvc_cfg.asc_dvc_cfg.chip_scsi_id;
- } else {
- chip_scsi_id = boardp->dvc_var.adv_dvc_var.chip_scsi_id;
+ AscSetChipLramAddr(iop_base, addr);
+ val_low = AscGetChipLramData(iop_base);
+ val_high = AscGetChipLramData(iop_base);
+ dword_data = ((ASC_DCNT) val_high << 16) | (ASC_DCNT) val_low;
+ return (dword_data);
+}
+#endif /* CC_VERY_LONG_SG_LIST */
+
+static void
+AscMemWordSetLram(PortAddr iop_base, ushort s_addr, ushort set_wval, int words)
+{
+ int i;
+
+ AscSetChipLramAddr(iop_base, s_addr);
+ for (i = 0; i < words; i++) {
+ AscSetChipLramData(iop_base, set_wval);
}
+}
- return totlen;
+static void AscWriteLramWord(PortAddr iop_base, ushort addr, ushort word_val)
+{
+ AscSetChipLramAddr(iop_base, addr);
+ AscSetChipLramData(iop_base, word_val);
+ return;
+}
+
+static void AscWriteLramByte(PortAddr iop_base, ushort addr, uchar byte_val)
+{
+ ushort word_data;
+
+ if (isodd_word(addr)) {
+ addr--;
+ word_data = AscReadLramWord(iop_base, addr);
+ word_data &= 0x00FF;
+ word_data |= (((ushort)byte_val << 8) & 0xFF00);
+ } else {
+ word_data = AscReadLramWord(iop_base, addr);
+ word_data &= 0xFF00;
+ word_data |= ((ushort)byte_val & 0x00FF);
+ }
+ AscWriteLramWord(iop_base, addr, word_data);
+ return;
}
/*
- * asc_prt_asc_board_info()
- *
- * Print dynamic board configuration information.
- *
- * Note: no single line should be greater than ASC_PRTLINE_SIZE,
- * cf. asc_prt_line().
+ * Copy 2 bytes to LRAM.
*
- * Return the number of characters copied into 'cp'. No more than
- * 'cplen' characters will be copied to 'cp'.
+ * The source data is assumed to be in little-endian order in memory
+ * and is maintained in little-endian order when written to LRAM.
*/
-static int asc_prt_asc_board_info(struct Scsi_Host *shost, char *cp, int cplen)
+static void
+AscMemWordCopyPtrToLram(PortAddr iop_base,
+ ushort s_addr, uchar *s_buffer, int words)
{
- asc_board_t *boardp;
- int chip_scsi_id;
- int leftlen;
- int totlen;
- int len;
- ASC_DVC_VAR *v;
- ASC_DVC_CFG *c;
int i;
- int renegotiate = 0;
-
- boardp = ASC_BOARDP(shost);
- v = &boardp->dvc_var.asc_dvc_var;
- c = &boardp->dvc_cfg.asc_dvc_cfg;
- chip_scsi_id = c->chip_scsi_id;
-
- leftlen = cplen;
- totlen = len = 0;
- len = asc_prt_line(cp, leftlen,
- "\nAsc Library Configuration and Statistics for AdvanSys SCSI Host %d:\n",
- shost->host_no);
- ASC_PRT_NEXT();
+ AscSetChipLramAddr(iop_base, s_addr);
+ for (i = 0; i < 2 * words; i += 2) {
+ /*
+ * On a little-endian system the second argument below
+ * produces a little-endian ushort which is written to
+ * LRAM in little-endian order. On a big-endian system
+ * the second argument produces a big-endian ushort which
+ * is "transparently" byte-swapped by outpw() and written
+ * in little-endian order to LRAM.
+ */
+ outpw(iop_base + IOP_RAM_DATA,
+ ((ushort)s_buffer[i + 1] << 8) | s_buffer[i]);
+ }
+ return;
+}
- len = asc_prt_line(cp, leftlen,
- " chip_version %u, lib_version 0x%x, lib_serial_no %u, mcode_date 0x%x\n",
- c->chip_version, c->lib_version, c->lib_serial_no,
- c->mcode_date);
- ASC_PRT_NEXT();
+/*
+ * Copy 4 bytes to LRAM.
+ *
+ * The source data is assumed to be in little-endian order in memory
+ * and is maintained in little-endian order when writen to LRAM.
+ */
+static void
+AscMemDWordCopyPtrToLram(PortAddr iop_base,
+ ushort s_addr, uchar *s_buffer, int dwords)
+{
+ int i;
- len = asc_prt_line(cp, leftlen,
- " mcode_version 0x%x, err_code %u\n",
- c->mcode_version, v->err_code);
- ASC_PRT_NEXT();
+ AscSetChipLramAddr(iop_base, s_addr);
+ for (i = 0; i < 4 * dwords; i += 4) {
+ outpw(iop_base + IOP_RAM_DATA, ((ushort)s_buffer[i + 1] << 8) | s_buffer[i]); /* LSW */
+ outpw(iop_base + IOP_RAM_DATA, ((ushort)s_buffer[i + 3] << 8) | s_buffer[i + 2]); /* MSW */
+ }
+ return;
+}
- /* Current number of commands waiting for the host. */
- len = asc_prt_line(cp, leftlen,
- " Total Command Pending: %d\n", v->cur_total_qng);
- ASC_PRT_NEXT();
+/*
+ * Copy 2 bytes from LRAM.
+ *
+ * The source data is assumed to be in little-endian order in LRAM
+ * and is maintained in little-endian order when written to memory.
+ */
+static void
+AscMemWordCopyPtrFromLram(PortAddr iop_base,
+ ushort s_addr, uchar *d_buffer, int words)
+{
+ int i;
+ ushort word;
- len = asc_prt_line(cp, leftlen, " Command Queuing:");
- ASC_PRT_NEXT();
- for (i = 0; i <= ASC_MAX_TID; i++) {
- if ((chip_scsi_id == i) ||
- ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
- continue;
- }
- len = asc_prt_line(cp, leftlen, " %X:%c",
- i,
- (v->
- use_tagged_qng & ADV_TID_TO_TIDMASK(i)) ?
- 'Y' : 'N');
- ASC_PRT_NEXT();
+ AscSetChipLramAddr(iop_base, s_addr);
+ for (i = 0; i < 2 * words; i += 2) {
+ word = inpw(iop_base + IOP_RAM_DATA);
+ d_buffer[i] = word & 0xff;
+ d_buffer[i + 1] = (word >> 8) & 0xff;
}
- len = asc_prt_line(cp, leftlen, "\n");
- ASC_PRT_NEXT();
+ return;
+}
- /* Current number of commands waiting for a device. */
- len = asc_prt_line(cp, leftlen, " Command Queue Pending:");
- ASC_PRT_NEXT();
- for (i = 0; i <= ASC_MAX_TID; i++) {
- if ((chip_scsi_id == i) ||
- ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
- continue;
- }
- len = asc_prt_line(cp, leftlen, " %X:%u", i, v->cur_dvc_qng[i]);
- ASC_PRT_NEXT();
- }
- len = asc_prt_line(cp, leftlen, "\n");
- ASC_PRT_NEXT();
+static ASC_DCNT AscMemSumLramWord(PortAddr iop_base, ushort s_addr, int words)
+{
+ ASC_DCNT sum;
+ int i;
- /* Current limit on number of commands that can be sent to a device. */
- len = asc_prt_line(cp, leftlen, " Command Queue Limit:");
- ASC_PRT_NEXT();
- for (i = 0; i <= ASC_MAX_TID; i++) {
- if ((chip_scsi_id == i) ||
- ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
- continue;
- }
- len = asc_prt_line(cp, leftlen, " %X:%u", i, v->max_dvc_qng[i]);
- ASC_PRT_NEXT();
+ sum = 0L;
+ for (i = 0; i < words; i++, s_addr += 2) {
+ sum += AscReadLramWord(iop_base, s_addr);
}
- len = asc_prt_line(cp, leftlen, "\n");
- ASC_PRT_NEXT();
+ return (sum);
+}
- /* Indicate whether the device has returned queue full status. */
- len = asc_prt_line(cp, leftlen, " Command Queue Full:");
- ASC_PRT_NEXT();
- for (i = 0; i <= ASC_MAX_TID; i++) {
- if ((chip_scsi_id == i) ||
- ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
- continue;
- }
- if (boardp->queue_full & ADV_TID_TO_TIDMASK(i)) {
- len = asc_prt_line(cp, leftlen, " %X:Y-%d",
- i, boardp->queue_full_cnt[i]);
- } else {
- len = asc_prt_line(cp, leftlen, " %X:N", i);
- }
- ASC_PRT_NEXT();
- }
- len = asc_prt_line(cp, leftlen, "\n");
- ASC_PRT_NEXT();
-
- len = asc_prt_line(cp, leftlen, " Synchronous Transfer:");
- ASC_PRT_NEXT();
- for (i = 0; i <= ASC_MAX_TID; i++) {
- if ((chip_scsi_id == i) ||
- ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
- continue;
- }
- len = asc_prt_line(cp, leftlen, " %X:%c",
- i,
- (v->
- sdtr_done & ADV_TID_TO_TIDMASK(i)) ? 'Y' :
- 'N');
- ASC_PRT_NEXT();
- }
- len = asc_prt_line(cp, leftlen, "\n");
- ASC_PRT_NEXT();
-
- for (i = 0; i <= ASC_MAX_TID; i++) {
- uchar syn_period_ix;
-
- if ((chip_scsi_id == i) ||
- ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0) ||
- ((v->init_sdtr & ADV_TID_TO_TIDMASK(i)) == 0)) {
- continue;
- }
-
- len = asc_prt_line(cp, leftlen, " %X:", i);
- ASC_PRT_NEXT();
-
- if ((boardp->sdtr_data[i] & ASC_SYN_MAX_OFFSET) == 0) {
- len = asc_prt_line(cp, leftlen, " Asynchronous");
- ASC_PRT_NEXT();
- } else {
- syn_period_ix =
- (boardp->sdtr_data[i] >> 4) & (v->max_sdtr_index -
- 1);
-
- len = asc_prt_line(cp, leftlen,
- " Transfer Period Factor: %d (%d.%d Mhz),",
- v->sdtr_period_tbl[syn_period_ix],
- 250 /
- v->sdtr_period_tbl[syn_period_ix],
- ASC_TENTHS(250,
- v->
- sdtr_period_tbl
- [syn_period_ix]));
- ASC_PRT_NEXT();
-
- len = asc_prt_line(cp, leftlen, " REQ/ACK Offset: %d",
- boardp->
- sdtr_data[i] & ASC_SYN_MAX_OFFSET);
- ASC_PRT_NEXT();
- }
+static ushort AscInitLram(ASC_DVC_VAR *asc_dvc)
+{
+ uchar i;
+ ushort s_addr;
+ PortAddr iop_base;
+ ushort warn_code;
- if ((v->sdtr_done & ADV_TID_TO_TIDMASK(i)) == 0) {
- len = asc_prt_line(cp, leftlen, "*\n");
- renegotiate = 1;
- } else {
- len = asc_prt_line(cp, leftlen, "\n");
- }
- ASC_PRT_NEXT();
+ iop_base = asc_dvc->iop_base;
+ warn_code = 0;
+ AscMemWordSetLram(iop_base, ASC_QADR_BEG, 0,
+ (ushort)(((int)(asc_dvc->max_total_qng + 2 + 1) *
+ 64) >> 1));
+ i = ASC_MIN_ACTIVE_QNO;
+ s_addr = ASC_QADR_BEG + ASC_QBLK_SIZE;
+ AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_FWD),
+ (uchar)(i + 1));
+ AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_BWD),
+ (uchar)(asc_dvc->max_total_qng));
+ AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_QNO),
+ (uchar)i);
+ i++;
+ s_addr += ASC_QBLK_SIZE;
+ for (; i < asc_dvc->max_total_qng; i++, s_addr += ASC_QBLK_SIZE) {
+ AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_FWD),
+ (uchar)(i + 1));
+ AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_BWD),
+ (uchar)(i - 1));
+ AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_QNO),
+ (uchar)i);
}
-
- if (renegotiate) {
- len = asc_prt_line(cp, leftlen,
- " * = Re-negotiation pending before next command.\n");
- ASC_PRT_NEXT();
+ AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_FWD),
+ (uchar)ASC_QLINK_END);
+ AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_BWD),
+ (uchar)(asc_dvc->max_total_qng - 1));
+ AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_QNO),
+ (uchar)asc_dvc->max_total_qng);
+ i++;
+ s_addr += ASC_QBLK_SIZE;
+ for (; i <= (uchar)(asc_dvc->max_total_qng + 3);
+ i++, s_addr += ASC_QBLK_SIZE) {
+ AscWriteLramByte(iop_base,
+ (ushort)(s_addr + (ushort)ASC_SCSIQ_B_FWD), i);
+ AscWriteLramByte(iop_base,
+ (ushort)(s_addr + (ushort)ASC_SCSIQ_B_BWD), i);
+ AscWriteLramByte(iop_base,
+ (ushort)(s_addr + (ushort)ASC_SCSIQ_B_QNO), i);
}
-
- return totlen;
+ return warn_code;
}
-/*
- * asc_prt_adv_board_info()
- *
- * Print dynamic board configuration information.
- *
- * Note: no single line should be greater than ASC_PRTLINE_SIZE,
- * cf. asc_prt_line().
- *
- * Return the number of characters copied into 'cp'. No more than
- * 'cplen' characters will be copied to 'cp'.
- */
-static int asc_prt_adv_board_info(struct Scsi_Host *shost, char *cp, int cplen)
+static ASC_DCNT
+AscLoadMicroCode(PortAddr iop_base,
+ ushort s_addr, uchar *mcode_buf, ushort mcode_size)
{
- asc_board_t *boardp;
- int leftlen;
- int totlen;
- int len;
- int i;
- ADV_DVC_VAR *v;
- ADV_DVC_CFG *c;
- AdvPortAddr iop_base;
- ushort chip_scsi_id;
- ushort lramword;
- uchar lrambyte;
- ushort tagqng_able;
- ushort sdtr_able, wdtr_able;
- ushort wdtr_done, sdtr_done;
- ushort period = 0;
- int renegotiate = 0;
-
- boardp = ASC_BOARDP(shost);
- v = &boardp->dvc_var.adv_dvc_var;
- c = &boardp->dvc_cfg.adv_dvc_cfg;
- iop_base = v->iop_base;
- chip_scsi_id = v->chip_scsi_id;
-
- leftlen = cplen;
- totlen = len = 0;
-
- len = asc_prt_line(cp, leftlen,
- "\nAdv Library Configuration and Statistics for AdvanSys SCSI Host %d:\n",
- shost->host_no);
- ASC_PRT_NEXT();
-
- len = asc_prt_line(cp, leftlen,
- " iop_base 0x%lx, cable_detect: %X, err_code %u\n",
- v->iop_base,
- AdvReadWordRegister(iop_base,
- IOPW_SCSI_CFG1) & CABLE_DETECT,
- v->err_code);
- ASC_PRT_NEXT();
-
- len = asc_prt_line(cp, leftlen,
- " chip_version %u, lib_version 0x%x, mcode_date 0x%x, mcode_version 0x%x\n",
- c->chip_version, c->lib_version, c->mcode_date,
- c->mcode_version);
- ASC_PRT_NEXT();
-
- AdvReadWordLram(iop_base, ASC_MC_TAGQNG_ABLE, tagqng_able);
- len = asc_prt_line(cp, leftlen, " Queuing Enabled:");
- ASC_PRT_NEXT();
- for (i = 0; i <= ADV_MAX_TID; i++) {
- if ((chip_scsi_id == i) ||
- ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
- continue;
- }
-
- len = asc_prt_line(cp, leftlen, " %X:%c",
- i,
- (tagqng_able & ADV_TID_TO_TIDMASK(i)) ? 'Y' :
- 'N');
- ASC_PRT_NEXT();
- }
- len = asc_prt_line(cp, leftlen, "\n");
- ASC_PRT_NEXT();
-
- len = asc_prt_line(cp, leftlen, " Queue Limit:");
- ASC_PRT_NEXT();
- for (i = 0; i <= ADV_MAX_TID; i++) {
- if ((chip_scsi_id == i) ||
- ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
- continue;
- }
-
- AdvReadByteLram(iop_base, ASC_MC_NUMBER_OF_MAX_CMD + i,
- lrambyte);
-
- len = asc_prt_line(cp, leftlen, " %X:%d", i, lrambyte);
- ASC_PRT_NEXT();
- }
- len = asc_prt_line(cp, leftlen, "\n");
- ASC_PRT_NEXT();
+ ASC_DCNT chksum;
+ ushort mcode_word_size;
+ ushort mcode_chksum;
- len = asc_prt_line(cp, leftlen, " Command Pending:");
- ASC_PRT_NEXT();
- for (i = 0; i <= ADV_MAX_TID; i++) {
- if ((chip_scsi_id == i) ||
- ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
- continue;
- }
+ /* Write the microcode buffer starting at LRAM address 0. */
+ mcode_word_size = (ushort)(mcode_size >> 1);
+ AscMemWordSetLram(iop_base, s_addr, 0, mcode_word_size);
+ AscMemWordCopyPtrToLram(iop_base, s_addr, mcode_buf, mcode_word_size);
- AdvReadByteLram(iop_base, ASC_MC_NUMBER_OF_QUEUED_CMD + i,
- lrambyte);
+ chksum = AscMemSumLramWord(iop_base, s_addr, mcode_word_size);
+ ASC_DBG1(1, "AscLoadMicroCode: chksum 0x%lx\n", (ulong)chksum);
+ mcode_chksum = (ushort)AscMemSumLramWord(iop_base,
+ (ushort)ASC_CODE_SEC_BEG,
+ (ushort)((mcode_size -
+ s_addr - (ushort)
+ ASC_CODE_SEC_BEG) /
+ 2));
+ ASC_DBG1(1, "AscLoadMicroCode: mcode_chksum 0x%lx\n",
+ (ulong)mcode_chksum);
+ AscWriteLramWord(iop_base, ASCV_MCODE_CHKSUM_W, mcode_chksum);
+ AscWriteLramWord(iop_base, ASCV_MCODE_SIZE_W, mcode_size);
+ return (chksum);
+}
- len = asc_prt_line(cp, leftlen, " %X:%d", i, lrambyte);
- ASC_PRT_NEXT();
- }
- len = asc_prt_line(cp, leftlen, "\n");
- ASC_PRT_NEXT();
-
- AdvReadWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able);
- len = asc_prt_line(cp, leftlen, " Wide Enabled:");
- ASC_PRT_NEXT();
- for (i = 0; i <= ADV_MAX_TID; i++) {
- if ((chip_scsi_id == i) ||
- ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
- continue;
- }
-
- len = asc_prt_line(cp, leftlen, " %X:%c",
- i,
- (wdtr_able & ADV_TID_TO_TIDMASK(i)) ? 'Y' :
- 'N');
- ASC_PRT_NEXT();
- }
- len = asc_prt_line(cp, leftlen, "\n");
- ASC_PRT_NEXT();
-
- AdvReadWordLram(iop_base, ASC_MC_WDTR_DONE, wdtr_done);
- len = asc_prt_line(cp, leftlen, " Transfer Bit Width:");
- ASC_PRT_NEXT();
- for (i = 0; i <= ADV_MAX_TID; i++) {
- if ((chip_scsi_id == i) ||
- ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
- continue;
- }
-
- AdvReadWordLram(iop_base,
- ASC_MC_DEVICE_HSHK_CFG_TABLE + (2 * i),
- lramword);
-
- len = asc_prt_line(cp, leftlen, " %X:%d",
- i, (lramword & 0x8000) ? 16 : 8);
- ASC_PRT_NEXT();
-
- if ((wdtr_able & ADV_TID_TO_TIDMASK(i)) &&
- (wdtr_done & ADV_TID_TO_TIDMASK(i)) == 0) {
- len = asc_prt_line(cp, leftlen, "*");
- ASC_PRT_NEXT();
- renegotiate = 1;
- }
- }
- len = asc_prt_line(cp, leftlen, "\n");
- ASC_PRT_NEXT();
+/* Microcode buffer is kept after initialization for error recovery. */
+static uchar _asc_mcode_buf[] = {
+ 0x01, 0x03, 0x01, 0x19, 0x0F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC3, 0x12, 0x0D, 0x05,
+ 0x01, 0x00, 0x00, 0x00, 0x00, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xFF, 0x80, 0xFF, 0xFF, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x23, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x00, 0xFF,
+ 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0xE4, 0x88, 0x00, 0x00, 0x00, 0x00, 0x80, 0x73, 0x48, 0x04,
+ 0x36, 0x00, 0x00, 0xA2, 0xC2, 0x00, 0x80, 0x73, 0x03, 0x23, 0x36, 0x40,
+ 0xB6, 0x00, 0x36, 0x00, 0x05, 0xD6, 0x0C, 0xD2, 0x12, 0xDA, 0x00, 0xA2,
+ 0xC2, 0x00, 0x92, 0x80, 0x1E, 0x98, 0x50, 0x00, 0xF5, 0x00, 0x48, 0x98,
+ 0xDF, 0x23, 0x36, 0x60, 0xB6, 0x00, 0x92, 0x80, 0x4F, 0x00, 0xF5, 0x00,
+ 0x48, 0x98, 0xEF, 0x23, 0x36, 0x60, 0xB6, 0x00, 0x92, 0x80, 0x80, 0x62,
+ 0x92, 0x80, 0x00, 0x46, 0x15, 0xEE, 0x13, 0xEA, 0x02, 0x01, 0x09, 0xD8,
+ 0xCD, 0x04, 0x4D, 0x00, 0x00, 0xA3, 0xD6, 0x00, 0xA6, 0x97, 0x7F, 0x23,
+ 0x04, 0x61, 0x84, 0x01, 0xE6, 0x84, 0xD2, 0xC1, 0x80, 0x73, 0xCD, 0x04,
+ 0x4D, 0x00, 0x00, 0xA3, 0xDA, 0x01, 0xA6, 0x97, 0xC6, 0x81, 0xC2, 0x88,
+ 0x80, 0x73, 0x80, 0x77, 0x00, 0x01, 0x01, 0xA1, 0xFE, 0x00, 0x4F, 0x00,
+ 0x84, 0x97, 0x07, 0xA6, 0x08, 0x01, 0x00, 0x33, 0x03, 0x00, 0xC2, 0x88,
+ 0x03, 0x03, 0x01, 0xDE, 0xC2, 0x88, 0xCE, 0x00, 0x69, 0x60, 0xCE, 0x00,
+ 0x02, 0x03, 0x4A, 0x60, 0x00, 0xA2, 0x78, 0x01, 0x80, 0x63, 0x07, 0xA6,
+ 0x24, 0x01, 0x78, 0x81, 0x03, 0x03, 0x80, 0x63, 0xE2, 0x00, 0x07, 0xA6,
+ 0x34, 0x01, 0x00, 0x33, 0x04, 0x00, 0xC2, 0x88, 0x03, 0x07, 0x02, 0x01,
+ 0x04, 0xCA, 0x0D, 0x23, 0x68, 0x98, 0x4D, 0x04, 0x04, 0x85, 0x05, 0xD8,
+ 0x0D, 0x23, 0x68, 0x98, 0xCD, 0x04, 0x15, 0x23, 0xF8, 0x88, 0xFB, 0x23,
+ 0x02, 0x61, 0x82, 0x01, 0x80, 0x63, 0x02, 0x03, 0x06, 0xA3, 0x62, 0x01,
+ 0x00, 0x33, 0x0A, 0x00, 0xC2, 0x88, 0x4E, 0x00, 0x07, 0xA3, 0x6E, 0x01,
+ 0x00, 0x33, 0x0B, 0x00, 0xC2, 0x88, 0xCD, 0x04, 0x36, 0x2D, 0x00, 0x33,
+ 0x1A, 0x00, 0xC2, 0x88, 0x50, 0x04, 0x88, 0x81, 0x06, 0xAB, 0x82, 0x01,
+ 0x88, 0x81, 0x4E, 0x00, 0x07, 0xA3, 0x92, 0x01, 0x50, 0x00, 0x00, 0xA3,
+ 0x3C, 0x01, 0x00, 0x05, 0x7C, 0x81, 0x46, 0x97, 0x02, 0x01, 0x05, 0xC6,
+ 0x04, 0x23, 0xA0, 0x01, 0x15, 0x23, 0xA1, 0x01, 0xBE, 0x81, 0xFD, 0x23,
+ 0x02, 0x61, 0x82, 0x01, 0x0A, 0xDA, 0x4A, 0x00, 0x06, 0x61, 0x00, 0xA0,
+ 0xB4, 0x01, 0x80, 0x63, 0xCD, 0x04, 0x36, 0x2D, 0x00, 0x33, 0x1B, 0x00,
+ 0xC2, 0x88, 0x06, 0x23, 0x68, 0x98, 0xCD, 0x04, 0xE6, 0x84, 0x06, 0x01,
+ 0x00, 0xA2, 0xD4, 0x01, 0x57, 0x60, 0x00, 0xA0, 0xDA, 0x01, 0xE6, 0x84,
+ 0x80, 0x23, 0xA0, 0x01, 0xE6, 0x84, 0x80, 0x73, 0x4B, 0x00, 0x06, 0x61,
+ 0x00, 0xA2, 0x00, 0x02, 0x04, 0x01, 0x0C, 0xDE, 0x02, 0x01, 0x03, 0xCC,
+ 0x4F, 0x00, 0x84, 0x97, 0xFC, 0x81, 0x08, 0x23, 0x02, 0x41, 0x82, 0x01,
+ 0x4F, 0x00, 0x62, 0x97, 0x48, 0x04, 0x84, 0x80, 0xF0, 0x97, 0x00, 0x46,
+ 0x56, 0x00, 0x03, 0xC0, 0x01, 0x23, 0xE8, 0x00, 0x81, 0x73, 0x06, 0x29,
+ 0x03, 0x42, 0x06, 0xE2, 0x03, 0xEE, 0x6B, 0xEB, 0x11, 0x23, 0xF8, 0x88,
+ 0x04, 0x98, 0xF0, 0x80, 0x80, 0x73, 0x80, 0x77, 0x07, 0xA4, 0x2A, 0x02,
+ 0x7C, 0x95, 0x06, 0xA6, 0x34, 0x02, 0x03, 0xA6, 0x4C, 0x04, 0x46, 0x82,
+ 0x04, 0x01, 0x03, 0xD8, 0xB4, 0x98, 0x6A, 0x96, 0x46, 0x82, 0xFE, 0x95,
+ 0x80, 0x67, 0x83, 0x03, 0x80, 0x63, 0xB6, 0x2D, 0x02, 0xA6, 0x6C, 0x02,
+ 0x07, 0xA6, 0x5A, 0x02, 0x06, 0xA6, 0x5E, 0x02, 0x03, 0xA6, 0x62, 0x02,
+ 0xC2, 0x88, 0x7C, 0x95, 0x48, 0x82, 0x60, 0x96, 0x48, 0x82, 0x04, 0x23,
+ 0xA0, 0x01, 0x14, 0x23, 0xA1, 0x01, 0x3C, 0x84, 0x04, 0x01, 0x0C, 0xDC,
+ 0xE0, 0x23, 0x25, 0x61, 0xEF, 0x00, 0x14, 0x01, 0x4F, 0x04, 0xA8, 0x01,
+ 0x6F, 0x00, 0xA5, 0x01, 0x03, 0x23, 0xA4, 0x01, 0x06, 0x23, 0x9C, 0x01,
+ 0x24, 0x2B, 0x1C, 0x01, 0x02, 0xA6, 0xAA, 0x02, 0x07, 0xA6, 0x5A, 0x02,
+ 0x06, 0xA6, 0x5E, 0x02, 0x03, 0xA6, 0x20, 0x04, 0x01, 0xA6, 0xB4, 0x02,
+ 0x00, 0xA6, 0xB4, 0x02, 0x00, 0x33, 0x12, 0x00, 0xC2, 0x88, 0x00, 0x0E,
+ 0x80, 0x63, 0x00, 0x43, 0x00, 0xA0, 0x8C, 0x02, 0x4D, 0x04, 0x04, 0x01,
+ 0x0B, 0xDC, 0xE7, 0x23, 0x04, 0x61, 0x84, 0x01, 0x10, 0x31, 0x12, 0x35,
+ 0x14, 0x01, 0xEC, 0x00, 0x6C, 0x38, 0x00, 0x3F, 0x00, 0x00, 0xEA, 0x82,
+ 0x18, 0x23, 0x04, 0x61, 0x18, 0xA0, 0xE2, 0x02, 0x04, 0x01, 0xA2, 0xC8,
+ 0x00, 0x33, 0x1F, 0x00, 0xC2, 0x88, 0x08, 0x31, 0x0A, 0x35, 0x0C, 0x39,
+ 0x0E, 0x3D, 0x7E, 0x98, 0xB6, 0x2D, 0x01, 0xA6, 0x14, 0x03, 0x00, 0xA6,
+ 0x14, 0x03, 0x07, 0xA6, 0x0C, 0x03, 0x06, 0xA6, 0x10, 0x03, 0x03, 0xA6,
+ 0x20, 0x04, 0x02, 0xA6, 0x6C, 0x02, 0x00, 0x33, 0x33, 0x00, 0xC2, 0x88,
+ 0x7C, 0x95, 0xEE, 0x82, 0x60, 0x96, 0xEE, 0x82, 0x82, 0x98, 0x80, 0x42,
+ 0x7E, 0x98, 0x64, 0xE4, 0x04, 0x01, 0x2D, 0xC8, 0x31, 0x05, 0x07, 0x01,
+ 0x00, 0xA2, 0x54, 0x03, 0x00, 0x43, 0x87, 0x01, 0x05, 0x05, 0x86, 0x98,
+ 0x7E, 0x98, 0x00, 0xA6, 0x16, 0x03, 0x07, 0xA6, 0x4C, 0x03, 0x03, 0xA6,
+ 0x3C, 0x04, 0x06, 0xA6, 0x50, 0x03, 0x01, 0xA6, 0x16, 0x03, 0x00, 0x33,
+ 0x25, 0x00, 0xC2, 0x88, 0x7C, 0x95, 0x32, 0x83, 0x60, 0x96, 0x32, 0x83,
+ 0x04, 0x01, 0x10, 0xCE, 0x07, 0xC8, 0x05, 0x05, 0xEB, 0x04, 0x00, 0x33,
+ 0x00, 0x20, 0xC0, 0x20, 0x81, 0x62, 0x72, 0x83, 0x00, 0x01, 0x05, 0x05,
+ 0xFF, 0xA2, 0x7A, 0x03, 0xB1, 0x01, 0x08, 0x23, 0xB2, 0x01, 0x2E, 0x83,
+ 0x05, 0x05, 0x15, 0x01, 0x00, 0xA2, 0x9A, 0x03, 0xEC, 0x00, 0x6E, 0x00,
+ 0x95, 0x01, 0x6C, 0x38, 0x00, 0x3F, 0x00, 0x00, 0x01, 0xA6, 0x96, 0x03,
+ 0x00, 0xA6, 0x96, 0x03, 0x10, 0x84, 0x80, 0x42, 0x7E, 0x98, 0x01, 0xA6,
+ 0xA4, 0x03, 0x00, 0xA6, 0xBC, 0x03, 0x10, 0x84, 0xA8, 0x98, 0x80, 0x42,
+ 0x01, 0xA6, 0xA4, 0x03, 0x07, 0xA6, 0xB2, 0x03, 0xD4, 0x83, 0x7C, 0x95,
+ 0xA8, 0x83, 0x00, 0x33, 0x2F, 0x00, 0xC2, 0x88, 0xA8, 0x98, 0x80, 0x42,
+ 0x00, 0xA6, 0xBC, 0x03, 0x07, 0xA6, 0xCA, 0x03, 0xD4, 0x83, 0x7C, 0x95,
+ 0xC0, 0x83, 0x00, 0x33, 0x26, 0x00, 0xC2, 0x88, 0x38, 0x2B, 0x80, 0x32,
+ 0x80, 0x36, 0x04, 0x23, 0xA0, 0x01, 0x12, 0x23, 0xA1, 0x01, 0x10, 0x84,
+ 0x07, 0xF0, 0x06, 0xA4, 0xF4, 0x03, 0x80, 0x6B, 0x80, 0x67, 0x05, 0x23,
+ 0x83, 0x03, 0x80, 0x63, 0x03, 0xA6, 0x0E, 0x04, 0x07, 0xA6, 0x06, 0x04,
+ 0x06, 0xA6, 0x0A, 0x04, 0x00, 0x33, 0x17, 0x00, 0xC2, 0x88, 0x7C, 0x95,
+ 0xF4, 0x83, 0x60, 0x96, 0xF4, 0x83, 0x20, 0x84, 0x07, 0xF0, 0x06, 0xA4,
+ 0x20, 0x04, 0x80, 0x6B, 0x80, 0x67, 0x05, 0x23, 0x83, 0x03, 0x80, 0x63,
+ 0xB6, 0x2D, 0x03, 0xA6, 0x3C, 0x04, 0x07, 0xA6, 0x34, 0x04, 0x06, 0xA6,
+ 0x38, 0x04, 0x00, 0x33, 0x30, 0x00, 0xC2, 0x88, 0x7C, 0x95, 0x20, 0x84,
+ 0x60, 0x96, 0x20, 0x84, 0x1D, 0x01, 0x06, 0xCC, 0x00, 0x33, 0x00, 0x84,
+ 0xC0, 0x20, 0x00, 0x23, 0xEA, 0x00, 0x81, 0x62, 0xA2, 0x0D, 0x80, 0x63,
+ 0x07, 0xA6, 0x5A, 0x04, 0x00, 0x33, 0x18, 0x00, 0xC2, 0x88, 0x03, 0x03,
+ 0x80, 0x63, 0xA3, 0x01, 0x07, 0xA4, 0x64, 0x04, 0x23, 0x01, 0x00, 0xA2,
+ 0x86, 0x04, 0x0A, 0xA0, 0x76, 0x04, 0xE0, 0x00, 0x00, 0x33, 0x1D, 0x00,
+ 0xC2, 0x88, 0x0B, 0xA0, 0x82, 0x04, 0xE0, 0x00, 0x00, 0x33, 0x1E, 0x00,
+ 0xC2, 0x88, 0x42, 0x23, 0xF8, 0x88, 0x00, 0x23, 0x22, 0xA3, 0xE6, 0x04,
+ 0x08, 0x23, 0x22, 0xA3, 0xA2, 0x04, 0x28, 0x23, 0x22, 0xA3, 0xAE, 0x04,
+ 0x02, 0x23, 0x22, 0xA3, 0xC4, 0x04, 0x42, 0x23, 0xF8, 0x88, 0x4A, 0x00,
+ 0x06, 0x61, 0x00, 0xA0, 0xAE, 0x04, 0x45, 0x23, 0xF8, 0x88, 0x04, 0x98,
+ 0x00, 0xA2, 0xC0, 0x04, 0xB4, 0x98, 0x00, 0x33, 0x00, 0x82, 0xC0, 0x20,
+ 0x81, 0x62, 0xE8, 0x81, 0x47, 0x23, 0xF8, 0x88, 0x04, 0x01, 0x0B, 0xDE,
+ 0x04, 0x98, 0xB4, 0x98, 0x00, 0x33, 0x00, 0x81, 0xC0, 0x20, 0x81, 0x62,
+ 0x14, 0x01, 0x00, 0xA0, 0x00, 0x02, 0x43, 0x23, 0xF8, 0x88, 0x04, 0x23,
+ 0xA0, 0x01, 0x44, 0x23, 0xA1, 0x01, 0x80, 0x73, 0x4D, 0x00, 0x03, 0xA3,
+ 0xF4, 0x04, 0x00, 0x33, 0x27, 0x00, 0xC2, 0x88, 0x04, 0x01, 0x04, 0xDC,
+ 0x02, 0x23, 0xA2, 0x01, 0x04, 0x23, 0xA0, 0x01, 0x04, 0x98, 0x26, 0x95,
+ 0x4B, 0x00, 0xF6, 0x00, 0x4F, 0x04, 0x4F, 0x00, 0x00, 0xA3, 0x22, 0x05,
+ 0x00, 0x05, 0x76, 0x00, 0x06, 0x61, 0x00, 0xA2, 0x1C, 0x05, 0x0A, 0x85,
+ 0x46, 0x97, 0xCD, 0x04, 0x24, 0x85, 0x48, 0x04, 0x84, 0x80, 0x02, 0x01,
+ 0x03, 0xDA, 0x80, 0x23, 0x82, 0x01, 0x34, 0x85, 0x02, 0x23, 0xA0, 0x01,
+ 0x4A, 0x00, 0x06, 0x61, 0x00, 0xA2, 0x40, 0x05, 0x1D, 0x01, 0x04, 0xD6,
+ 0xFF, 0x23, 0x86, 0x41, 0x4B, 0x60, 0xCB, 0x00, 0xFF, 0x23, 0x80, 0x01,
+ 0x49, 0x00, 0x81, 0x01, 0x04, 0x01, 0x02, 0xC8, 0x30, 0x01, 0x80, 0x01,
+ 0xF7, 0x04, 0x03, 0x01, 0x49, 0x04, 0x80, 0x01, 0xC9, 0x00, 0x00, 0x05,
+ 0x00, 0x01, 0xFF, 0xA0, 0x60, 0x05, 0x77, 0x04, 0x01, 0x23, 0xEA, 0x00,
+ 0x5D, 0x00, 0xFE, 0xC7, 0x00, 0x62, 0x00, 0x23, 0xEA, 0x00, 0x00, 0x63,
+ 0x07, 0xA4, 0xF8, 0x05, 0x03, 0x03, 0x02, 0xA0, 0x8E, 0x05, 0xF4, 0x85,
+ 0x00, 0x33, 0x2D, 0x00, 0xC2, 0x88, 0x04, 0xA0, 0xB8, 0x05, 0x80, 0x63,
+ 0x00, 0x23, 0xDF, 0x00, 0x4A, 0x00, 0x06, 0x61, 0x00, 0xA2, 0xA4, 0x05,
+ 0x1D, 0x01, 0x06, 0xD6, 0x02, 0x23, 0x02, 0x41, 0x82, 0x01, 0x50, 0x00,
+ 0x62, 0x97, 0x04, 0x85, 0x04, 0x23, 0x02, 0x41, 0x82, 0x01, 0x04, 0x85,
+ 0x08, 0xA0, 0xBE, 0x05, 0xF4, 0x85, 0x03, 0xA0, 0xC4, 0x05, 0xF4, 0x85,
+ 0x01, 0xA0, 0xCE, 0x05, 0x88, 0x00, 0x80, 0x63, 0xCC, 0x86, 0x07, 0xA0,
+ 0xEE, 0x05, 0x5F, 0x00, 0x00, 0x2B, 0xDF, 0x08, 0x00, 0xA2, 0xE6, 0x05,
+ 0x80, 0x67, 0x80, 0x63, 0x01, 0xA2, 0x7A, 0x06, 0x7C, 0x85, 0x06, 0x23,
+ 0x68, 0x98, 0x48, 0x23, 0xF8, 0x88, 0x07, 0x23, 0x80, 0x00, 0x06, 0x87,
+ 0x80, 0x63, 0x7C, 0x85, 0x00, 0x23, 0xDF, 0x00, 0x00, 0x63, 0x4A, 0x00,
+ 0x06, 0x61, 0x00, 0xA2, 0x36, 0x06, 0x1D, 0x01, 0x16, 0xD4, 0xC0, 0x23,
+ 0x07, 0x41, 0x83, 0x03, 0x80, 0x63, 0x06, 0xA6, 0x1C, 0x06, 0x00, 0x33,
+ 0x37, 0x00, 0xC2, 0x88, 0x1D, 0x01, 0x01, 0xD6, 0x20, 0x23, 0x63, 0x60,
+ 0x83, 0x03, 0x80, 0x63, 0x02, 0x23, 0xDF, 0x00, 0x07, 0xA6, 0x7C, 0x05,
+ 0xEF, 0x04, 0x6F, 0x00, 0x00, 0x63, 0x4B, 0x00, 0x06, 0x41, 0xCB, 0x00,
+ 0x52, 0x00, 0x06, 0x61, 0x00, 0xA2, 0x4E, 0x06, 0x1D, 0x01, 0x03, 0xCA,
+ 0xC0, 0x23, 0x07, 0x41, 0x00, 0x63, 0x1D, 0x01, 0x04, 0xCC, 0x00, 0x33,
+ 0x00, 0x83, 0xC0, 0x20, 0x81, 0x62, 0x80, 0x23, 0x07, 0x41, 0x00, 0x63,
+ 0x80, 0x67, 0x08, 0x23, 0x83, 0x03, 0x80, 0x63, 0x00, 0x63, 0x01, 0x23,
+ 0xDF, 0x00, 0x06, 0xA6, 0x84, 0x06, 0x07, 0xA6, 0x7C, 0x05, 0x80, 0x67,
+ 0x80, 0x63, 0x00, 0x33, 0x00, 0x40, 0xC0, 0x20, 0x81, 0x62, 0x00, 0x63,
+ 0x00, 0x00, 0xFE, 0x95, 0x83, 0x03, 0x80, 0x63, 0x06, 0xA6, 0x94, 0x06,
+ 0x07, 0xA6, 0x7C, 0x05, 0x00, 0x00, 0x01, 0xA0, 0x14, 0x07, 0x00, 0x2B,
+ 0x40, 0x0E, 0x80, 0x63, 0x01, 0x00, 0x06, 0xA6, 0xAA, 0x06, 0x07, 0xA6,
+ 0x7C, 0x05, 0x40, 0x0E, 0x80, 0x63, 0x00, 0x43, 0x00, 0xA0, 0xA2, 0x06,
+ 0x06, 0xA6, 0xBC, 0x06, 0x07, 0xA6, 0x7C, 0x05, 0x80, 0x67, 0x40, 0x0E,
+ 0x80, 0x63, 0x07, 0xA6, 0x7C, 0x05, 0x00, 0x23, 0xDF, 0x00, 0x00, 0x63,
+ 0x07, 0xA6, 0xD6, 0x06, 0x00, 0x33, 0x2A, 0x00, 0xC2, 0x88, 0x03, 0x03,
+ 0x80, 0x63, 0x89, 0x00, 0x0A, 0x2B, 0x07, 0xA6, 0xE8, 0x06, 0x00, 0x33,
+ 0x29, 0x00, 0xC2, 0x88, 0x00, 0x43, 0x00, 0xA2, 0xF4, 0x06, 0xC0, 0x0E,
+ 0x80, 0x63, 0xDE, 0x86, 0xC0, 0x0E, 0x00, 0x33, 0x00, 0x80, 0xC0, 0x20,
+ 0x81, 0x62, 0x04, 0x01, 0x02, 0xDA, 0x80, 0x63, 0x7C, 0x85, 0x80, 0x7B,
+ 0x80, 0x63, 0x06, 0xA6, 0x8C, 0x06, 0x00, 0x33, 0x2C, 0x00, 0xC2, 0x88,
+ 0x0C, 0xA2, 0x2E, 0x07, 0xFE, 0x95, 0x83, 0x03, 0x80, 0x63, 0x06, 0xA6,
+ 0x2C, 0x07, 0x07, 0xA6, 0x7C, 0x05, 0x00, 0x33, 0x3D, 0x00, 0xC2, 0x88,
+ 0x00, 0x00, 0x80, 0x67, 0x83, 0x03, 0x80, 0x63, 0x0C, 0xA0, 0x44, 0x07,
+ 0x07, 0xA6, 0x7C, 0x05, 0xBF, 0x23, 0x04, 0x61, 0x84, 0x01, 0xE6, 0x84,
+ 0x00, 0x63, 0xF0, 0x04, 0x01, 0x01, 0xF1, 0x00, 0x00, 0x01, 0xF2, 0x00,
+ 0x01, 0x05, 0x80, 0x01, 0x72, 0x04, 0x71, 0x00, 0x81, 0x01, 0x70, 0x04,
+ 0x80, 0x05, 0x81, 0x05, 0x00, 0x63, 0xF0, 0x04, 0xF2, 0x00, 0x72, 0x04,
+ 0x01, 0x01, 0xF1, 0x00, 0x70, 0x00, 0x81, 0x01, 0x70, 0x04, 0x71, 0x00,
+ 0x81, 0x01, 0x72, 0x00, 0x80, 0x01, 0x71, 0x04, 0x70, 0x00, 0x80, 0x01,
+ 0x70, 0x04, 0x00, 0x63, 0xF0, 0x04, 0xF2, 0x00, 0x72, 0x04, 0x00, 0x01,
+ 0xF1, 0x00, 0x70, 0x00, 0x80, 0x01, 0x70, 0x04, 0x71, 0x00, 0x80, 0x01,
+ 0x72, 0x00, 0x81, 0x01, 0x71, 0x04, 0x70, 0x00, 0x81, 0x01, 0x70, 0x04,
+ 0x00, 0x63, 0x00, 0x23, 0xB3, 0x01, 0x83, 0x05, 0xA3, 0x01, 0xA2, 0x01,
+ 0xA1, 0x01, 0x01, 0x23, 0xA0, 0x01, 0x00, 0x01, 0xC8, 0x00, 0x03, 0xA1,
+ 0xC4, 0x07, 0x00, 0x33, 0x07, 0x00, 0xC2, 0x88, 0x80, 0x05, 0x81, 0x05,
+ 0x04, 0x01, 0x11, 0xC8, 0x48, 0x00, 0xB0, 0x01, 0xB1, 0x01, 0x08, 0x23,
+ 0xB2, 0x01, 0x05, 0x01, 0x48, 0x04, 0x00, 0x43, 0x00, 0xA2, 0xE4, 0x07,
+ 0x00, 0x05, 0xDA, 0x87, 0x00, 0x01, 0xC8, 0x00, 0xFF, 0x23, 0x80, 0x01,
+ 0x05, 0x05, 0x00, 0x63, 0xF7, 0x04, 0x1A, 0x09, 0xF6, 0x08, 0x6E, 0x04,
+ 0x00, 0x02, 0x80, 0x43, 0x76, 0x08, 0x80, 0x02, 0x77, 0x04, 0x00, 0x63,
+ 0xF7, 0x04, 0x1A, 0x09, 0xF6, 0x08, 0x6E, 0x04, 0x00, 0x02, 0x00, 0xA0,
+ 0x14, 0x08, 0x16, 0x88, 0x00, 0x43, 0x76, 0x08, 0x80, 0x02, 0x77, 0x04,
+ 0x00, 0x63, 0xF3, 0x04, 0x00, 0x23, 0xF4, 0x00, 0x74, 0x00, 0x80, 0x43,
+ 0xF4, 0x00, 0xCF, 0x40, 0x00, 0xA2, 0x44, 0x08, 0x74, 0x04, 0x02, 0x01,
+ 0xF7, 0xC9, 0xF6, 0xD9, 0x00, 0x01, 0x01, 0xA1, 0x24, 0x08, 0x04, 0x98,
+ 0x26, 0x95, 0x24, 0x88, 0x73, 0x04, 0x00, 0x63, 0xF3, 0x04, 0x75, 0x04,
+ 0x5A, 0x88, 0x02, 0x01, 0x04, 0xD8, 0x46, 0x97, 0x04, 0x98, 0x26, 0x95,
+ 0x4A, 0x88, 0x75, 0x00, 0x00, 0xA3, 0x64, 0x08, 0x00, 0x05, 0x4E, 0x88,
+ 0x73, 0x04, 0x00, 0x63, 0x80, 0x7B, 0x80, 0x63, 0x06, 0xA6, 0x76, 0x08,
+ 0x00, 0x33, 0x3E, 0x00, 0xC2, 0x88, 0x80, 0x67, 0x83, 0x03, 0x80, 0x63,
+ 0x00, 0x63, 0x38, 0x2B, 0x9C, 0x88, 0x38, 0x2B, 0x92, 0x88, 0x32, 0x09,
+ 0x31, 0x05, 0x92, 0x98, 0x05, 0x05, 0xB2, 0x09, 0x00, 0x63, 0x00, 0x32,
+ 0x00, 0x36, 0x00, 0x3A, 0x00, 0x3E, 0x00, 0x63, 0x80, 0x32, 0x80, 0x36,
+ 0x80, 0x3A, 0x80, 0x3E, 0xB4, 0x3D, 0x00, 0x63, 0x38, 0x2B, 0x40, 0x32,
+ 0x40, 0x36, 0x40, 0x3A, 0x40, 0x3E, 0x00, 0x63, 0x5A, 0x20, 0xC9, 0x40,
+ 0x00, 0xA0, 0xB4, 0x08, 0x5D, 0x00, 0xFE, 0xC3, 0x00, 0x63, 0x80, 0x73,
+ 0xE6, 0x20, 0x02, 0x23, 0xE8, 0x00, 0x82, 0x73, 0xFF, 0xFD, 0x80, 0x73,
+ 0x13, 0x23, 0xF8, 0x88, 0x66, 0x20, 0xC0, 0x20, 0x04, 0x23, 0xA0, 0x01,
+ 0xA1, 0x23, 0xA1, 0x01, 0x81, 0x62, 0xE2, 0x88, 0x80, 0x73, 0x80, 0x77,
+ 0x68, 0x00, 0x00, 0xA2, 0x80, 0x00, 0x03, 0xC2, 0xF1, 0xC7, 0x41, 0x23,
+ 0xF8, 0x88, 0x11, 0x23, 0xA1, 0x01, 0x04, 0x23, 0xA0, 0x01, 0xE6, 0x84,
+};
- AdvReadWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able);
- len = asc_prt_line(cp, leftlen, " Synchronous Enabled:");
- ASC_PRT_NEXT();
- for (i = 0; i <= ADV_MAX_TID; i++) {
- if ((chip_scsi_id == i) ||
- ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
- continue;
- }
-
- len = asc_prt_line(cp, leftlen, " %X:%c",
- i,
- (sdtr_able & ADV_TID_TO_TIDMASK(i)) ? 'Y' :
- 'N');
- ASC_PRT_NEXT();
- }
- len = asc_prt_line(cp, leftlen, "\n");
- ASC_PRT_NEXT();
-
- AdvReadWordLram(iop_base, ASC_MC_SDTR_DONE, sdtr_done);
- for (i = 0; i <= ADV_MAX_TID; i++) {
-
- AdvReadWordLram(iop_base,
- ASC_MC_DEVICE_HSHK_CFG_TABLE + (2 * i),
- lramword);
- lramword &= ~0x8000;
-
- if ((chip_scsi_id == i) ||
- ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0) ||
- ((sdtr_able & ADV_TID_TO_TIDMASK(i)) == 0)) {
- continue;
- }
-
- len = asc_prt_line(cp, leftlen, " %X:", i);
- ASC_PRT_NEXT();
-
- if ((lramword & 0x1F) == 0) { /* Check for REQ/ACK Offset 0. */
- len = asc_prt_line(cp, leftlen, " Asynchronous");
- ASC_PRT_NEXT();
- } else {
- len =
- asc_prt_line(cp, leftlen,
- " Transfer Period Factor: ");
- ASC_PRT_NEXT();
-
- if ((lramword & 0x1F00) == 0x1100) { /* 80 Mhz */
- len =
- asc_prt_line(cp, leftlen, "9 (80.0 Mhz),");
- ASC_PRT_NEXT();
- } else if ((lramword & 0x1F00) == 0x1000) { /* 40 Mhz */
- len =
- asc_prt_line(cp, leftlen, "10 (40.0 Mhz),");
- ASC_PRT_NEXT();
- } else { /* 20 Mhz or below. */
-
- period = (((lramword >> 8) * 25) + 50) / 4;
-
- if (period == 0) { /* Should never happen. */
- len =
- asc_prt_line(cp, leftlen,
- "%d (? Mhz), ");
- ASC_PRT_NEXT();
- } else {
- len = asc_prt_line(cp, leftlen,
- "%d (%d.%d Mhz),",
- period, 250 / period,
- ASC_TENTHS(250,
- period));
- ASC_PRT_NEXT();
- }
- }
-
- len = asc_prt_line(cp, leftlen, " REQ/ACK Offset: %d",
- lramword & 0x1F);
- ASC_PRT_NEXT();
- }
-
- if ((sdtr_done & ADV_TID_TO_TIDMASK(i)) == 0) {
- len = asc_prt_line(cp, leftlen, "*\n");
- renegotiate = 1;
- } else {
- len = asc_prt_line(cp, leftlen, "\n");
- }
- ASC_PRT_NEXT();
- }
-
- if (renegotiate) {
- len = asc_prt_line(cp, leftlen,
- " * = Re-negotiation pending before next command.\n");
- ASC_PRT_NEXT();
- }
-
- return totlen;
-}
-
-/*
- * asc_proc_copy()
- *
- * Copy proc information to a read buffer taking into account the current
- * read offset in the file and the remaining space in the read buffer.
- */
-static int
-asc_proc_copy(off_t advoffset, off_t offset, char *curbuf, int leftlen,
- char *cp, int cplen)
-{
- int cnt = 0;
-
- ASC_DBG3(2, "asc_proc_copy: offset %d, advoffset %d, cplen %d\n",
- (unsigned)offset, (unsigned)advoffset, cplen);
- if (offset <= advoffset) {
- /* Read offset below current offset, copy everything. */
- cnt = min(cplen, leftlen);
- ASC_DBG3(2, "asc_proc_copy: curbuf 0x%lx, cp 0x%lx, cnt %d\n",
- (ulong)curbuf, (ulong)cp, cnt);
- memcpy(curbuf, cp, cnt);
- } else if (offset < advoffset + cplen) {
- /* Read offset within current range, partial copy. */
- cnt = (advoffset + cplen) - offset;
- cp = (cp + cplen) - cnt;
- cnt = min(cnt, leftlen);
- ASC_DBG3(2, "asc_proc_copy: curbuf 0x%lx, cp 0x%lx, cnt %d\n",
- (ulong)curbuf, (ulong)cp, cnt);
- memcpy(curbuf, cp, cnt);
- }
- return cnt;
-}
-
-/*
- * asc_prt_line()
- *
- * If 'cp' is NULL print to the console, otherwise print to a buffer.
- *
- * Return 0 if printing to the console, otherwise return the number of
- * bytes written to the buffer.
- *
- * Note: If any single line is greater than ASC_PRTLINE_SIZE bytes the stack
- * will be corrupted. 's[]' is defined to be ASC_PRTLINE_SIZE bytes.
- */
-static int asc_prt_line(char *buf, int buflen, char *fmt, ...)
-{
- va_list args;
- int ret;
- char s[ASC_PRTLINE_SIZE];
-
- va_start(args, fmt);
- ret = vsprintf(s, fmt, args);
- BUG_ON(ret >= ASC_PRTLINE_SIZE);
- if (buf == NULL) {
- (void)printk(s);
- ret = 0;
- } else {
- ret = min(buflen, ret);
- memcpy(buf, s, ret);
- }
- va_end(args);
- return ret;
-}
-#endif /* CONFIG_PROC_FS */
-
-/*
- * void
- * DvcPutScsiQ(PortAddr iop_base, ushort s_addr, uchar *outbuf, int words)
- *
- * Calling/Exit State:
- * none
- *
- * Description:
- * Output an ASC_SCSI_Q structure to the chip
- */
-static void
-DvcPutScsiQ(PortAddr iop_base, ushort s_addr, uchar *outbuf, int words)
-{
- int i;
-
- ASC_DBG_PRT_HEX(2, "DvcPutScsiQ", outbuf, 2 * words);
- AscSetChipLramAddr(iop_base, s_addr);
- for (i = 0; i < 2 * words; i += 2) {
- if (i == 4 || i == 20) {
- continue;
- }
- outpw(iop_base + IOP_RAM_DATA,
- ((ushort)outbuf[i + 1] << 8) | outbuf[i]);
- }
-}
-
-/*
- * void
- * DvcGetQinfo(PortAddr iop_base, ushort s_addr, uchar *inbuf, int words)
- *
- * Calling/Exit State:
- * none
- *
- * Description:
- * Input an ASC_QDONE_INFO structure from the chip
- */
-static void
-DvcGetQinfo(PortAddr iop_base, ushort s_addr, uchar *inbuf, int words)
-{
- int i;
- ushort word;
-
- AscSetChipLramAddr(iop_base, s_addr);
- for (i = 0; i < 2 * words; i += 2) {
- if (i == 10) {
- continue;
- }
- word = inpw(iop_base + IOP_RAM_DATA);
- inbuf[i] = word & 0xff;
- inbuf[i + 1] = (word >> 8) & 0xff;
- }
- ASC_DBG_PRT_HEX(2, "DvcGetQinfo", inbuf, 2 * words);
-}
-
-/*
- * Return the BIOS address of the adapter at the specified
- * I/O port and with the specified bus type.
- */
-static unsigned short __devinit
-AscGetChipBiosAddress(PortAddr iop_base, unsigned short bus_type)
-{
- unsigned short cfg_lsw;
- unsigned short bios_addr;
-
- /*
- * The PCI BIOS is re-located by the motherboard BIOS. Because
- * of this the driver can not determine where a PCI BIOS is
- * loaded and executes.
- */
- if (bus_type & ASC_IS_PCI)
- return 0;
-
-#ifdef CONFIG_ISA
- if ((bus_type & ASC_IS_EISA) != 0) {
- cfg_lsw = AscGetEisaChipCfg(iop_base);
- cfg_lsw &= 0x000F;
- bios_addr = ASC_BIOS_MIN_ADDR + cfg_lsw * ASC_BIOS_BANK_SIZE;
- return bios_addr;
- }
-#endif /* CONFIG_ISA */
-
- cfg_lsw = AscGetChipCfgLsw(iop_base);
-
- /*
- * ISA PnP uses the top bit as the 32K BIOS flag
- */
- if (bus_type == ASC_IS_ISAPNP)
- cfg_lsw &= 0x7FFF;
- bios_addr = ASC_BIOS_MIN_ADDR + (cfg_lsw >> 12) * ASC_BIOS_BANK_SIZE;
- return bios_addr;
-}
-
-/*
- * DvcGetPhyAddr()
- *
- * Return the physical address of 'vaddr' and set '*lenp' to the
- * number of physically contiguous bytes that follow 'vaddr'.
- * 'flag' indicates the type of structure whose physical address
- * is being translated.
- *
- * Note: Because Linux currently doesn't page the kernel and all
- * kernel buffers are physically contiguous, leave '*lenp' unchanged.
- */
-ADV_PADDR
-DvcGetPhyAddr(ADV_DVC_VAR *asc_dvc, ADV_SCSI_REQ_Q *scsiq,
- uchar *vaddr, ADV_SDCNT *lenp, int flag)
-{
- ADV_PADDR paddr;
-
- paddr = virt_to_bus(vaddr);
-
- ASC_DBG4(4,
- "DvcGetPhyAddr: vaddr 0x%lx, lenp 0x%lx *lenp %lu, paddr 0x%lx\n",
- (ulong)vaddr, (ulong)lenp, (ulong)*((ulong *)lenp),
- (ulong)paddr);
-
- return paddr;
-}
-
-#ifdef ADVANSYS_STATS
-#ifdef CONFIG_PROC_FS
-/*
- * asc_prt_board_stats()
- *
- * Note: no single line should be greater than ASC_PRTLINE_SIZE,
- * cf. asc_prt_line().
- *
- * Return the number of characters copied into 'cp'. No more than
- * 'cplen' characters will be copied to 'cp'.
- */
-static int asc_prt_board_stats(struct Scsi_Host *shost, char *cp, int cplen)
-{
- int leftlen;
- int totlen;
- int len;
- struct asc_stats *s;
- asc_board_t *boardp;
-
- leftlen = cplen;
- totlen = len = 0;
-
- boardp = ASC_BOARDP(shost);
- s = &boardp->asc_stats;
-
- len = asc_prt_line(cp, leftlen,
- "\nLinux Driver Statistics for AdvanSys SCSI Host %d:\n",
- shost->host_no);
- ASC_PRT_NEXT();
-
- len = asc_prt_line(cp, leftlen,
- " queuecommand %lu, reset %lu, biosparam %lu, interrupt %lu\n",
- s->queuecommand, s->reset, s->biosparam,
- s->interrupt);
- ASC_PRT_NEXT();
-
- len = asc_prt_line(cp, leftlen,
- " callback %lu, done %lu, build_error %lu, build_noreq %lu, build_nosg %lu\n",
- s->callback, s->done, s->build_error,
- s->adv_build_noreq, s->adv_build_nosg);
- ASC_PRT_NEXT();
-
- len = asc_prt_line(cp, leftlen,
- " exe_noerror %lu, exe_busy %lu, exe_error %lu, exe_unknown %lu\n",
- s->exe_noerror, s->exe_busy, s->exe_error,
- s->exe_unknown);
- ASC_PRT_NEXT();
-
- /*
- * Display data transfer statistics.
- */
- if (s->cont_cnt > 0) {
- len = asc_prt_line(cp, leftlen, " cont_cnt %lu, ", s->cont_cnt);
- ASC_PRT_NEXT();
-
- len = asc_prt_line(cp, leftlen, "cont_xfer %lu.%01lu kb ",
- s->cont_xfer / 2,
- ASC_TENTHS(s->cont_xfer, 2));
- ASC_PRT_NEXT();
-
- /* Contiguous transfer average size */
- len = asc_prt_line(cp, leftlen, "avg_xfer %lu.%01lu kb\n",
- (s->cont_xfer / 2) / s->cont_cnt,
- ASC_TENTHS((s->cont_xfer / 2), s->cont_cnt));
- ASC_PRT_NEXT();
- }
-
- if (s->sg_cnt > 0) {
-
- len = asc_prt_line(cp, leftlen, " sg_cnt %lu, sg_elem %lu, ",
- s->sg_cnt, s->sg_elem);
- ASC_PRT_NEXT();
-
- len = asc_prt_line(cp, leftlen, "sg_xfer %lu.%01lu kb\n",
- s->sg_xfer / 2, ASC_TENTHS(s->sg_xfer, 2));
- ASC_PRT_NEXT();
-
- /* Scatter gather transfer statistics */
- len = asc_prt_line(cp, leftlen, " avg_num_elem %lu.%01lu, ",
- s->sg_elem / s->sg_cnt,
- ASC_TENTHS(s->sg_elem, s->sg_cnt));
- ASC_PRT_NEXT();
-
- len = asc_prt_line(cp, leftlen, "avg_elem_size %lu.%01lu kb, ",
- (s->sg_xfer / 2) / s->sg_elem,
- ASC_TENTHS((s->sg_xfer / 2), s->sg_elem));
- ASC_PRT_NEXT();
-
- len = asc_prt_line(cp, leftlen, "avg_xfer_size %lu.%01lu kb\n",
- (s->sg_xfer / 2) / s->sg_cnt,
- ASC_TENTHS((s->sg_xfer / 2), s->sg_cnt));
- ASC_PRT_NEXT();
- }
-
- /*
- * Display request queuing statistics.
- */
- len = asc_prt_line(cp, leftlen,
- " Active and Waiting Request Queues (Time Unit: %d HZ):\n",
- HZ);
- ASC_PRT_NEXT();
-
- return totlen;
-}
-#endif /* CONFIG_PROC_FS */
-#endif /* ADVANSYS_STATS */
-
-#ifdef ADVANSYS_DEBUG
-/*
- * asc_prt_scsi_host()
- */
-static void asc_prt_scsi_host(struct Scsi_Host *s)
-{
- asc_board_t *boardp;
-
- boardp = ASC_BOARDP(s);
-
- printk("Scsi_Host at addr 0x%lx\n", (ulong)s);
- printk(" host_busy %u, host_no %d, last_reset %d,\n",
- s->host_busy, s->host_no, (unsigned)s->last_reset);
-
- printk(" base 0x%lx, io_port 0x%lx, irq 0x%x,\n",
- (ulong)s->base, (ulong)s->io_port, s->irq);
-
- printk(" dma_channel %d, this_id %d, can_queue %d,\n",
- s->dma_channel, s->this_id, s->can_queue);
-
- printk(" cmd_per_lun %d, sg_tablesize %d, unchecked_isa_dma %d\n",
- s->cmd_per_lun, s->sg_tablesize, s->unchecked_isa_dma);
-
- if (ASC_NARROW_BOARD(boardp)) {
- asc_prt_asc_dvc_var(&ASC_BOARDP(s)->dvc_var.asc_dvc_var);
- asc_prt_asc_dvc_cfg(&ASC_BOARDP(s)->dvc_cfg.asc_dvc_cfg);
- } else {
- asc_prt_adv_dvc_var(&ASC_BOARDP(s)->dvc_var.adv_dvc_var);
- asc_prt_adv_dvc_cfg(&ASC_BOARDP(s)->dvc_cfg.adv_dvc_cfg);
- }
-}
-
-/*
- * asc_prt_scsi_cmnd()
- */
-static void asc_prt_scsi_cmnd(struct scsi_cmnd *s)
-{
- printk("struct scsi_cmnd at addr 0x%lx\n", (ulong)s);
-
- printk(" host 0x%lx, device 0x%lx, target %u, lun %u, channel %u,\n",
- (ulong)s->device->host, (ulong)s->device, s->device->id,
- s->device->lun, s->device->channel);
-
- asc_prt_hex(" CDB", s->cmnd, s->cmd_len);
-
- printk("sc_data_direction %u, resid %d\n",
- s->sc_data_direction, s->resid);
-
- printk(" use_sg %u, sglist_len %u\n", s->use_sg, s->sglist_len);
-
- printk(" serial_number 0x%x, retries %d, allowed %d\n",
- (unsigned)s->serial_number, s->retries, s->allowed);
-
- printk(" timeout_per_command %d\n", s->timeout_per_command);
-
- printk(" scsi_done 0x%p, done 0x%p, host_scribble 0x%p, result 0x%x\n",
- s->scsi_done, s->done, s->host_scribble, s->result);
-
- printk(" tag %u, pid %u\n", (unsigned)s->tag, (unsigned)s->pid);
-}
-
-/*
- * asc_prt_asc_dvc_var()
- */
-static void asc_prt_asc_dvc_var(ASC_DVC_VAR *h)
-{
- printk("ASC_DVC_VAR at addr 0x%lx\n", (ulong)h);
-
- printk(" iop_base 0x%x, err_code 0x%x, dvc_cntl 0x%x, bug_fix_cntl "
- "%d,\n", h->iop_base, h->err_code, h->dvc_cntl, h->bug_fix_cntl);
-
- printk(" bus_type %d, init_sdtr 0x%x,\n", h->bus_type,
- (unsigned)h->init_sdtr);
-
- printk(" sdtr_done 0x%x, use_tagged_qng 0x%x, unit_not_ready 0x%x, "
- "chip_no 0x%x,\n", (unsigned)h->sdtr_done,
- (unsigned)h->use_tagged_qng, (unsigned)h->unit_not_ready,
- (unsigned)h->chip_no);
-
- printk(" queue_full_or_busy 0x%x, start_motor 0x%x, scsi_reset_wait "
- "%u,\n", (unsigned)h->queue_full_or_busy,
- (unsigned)h->start_motor, (unsigned)h->scsi_reset_wait);
-
- printk(" is_in_int %u, max_total_qng %u, cur_total_qng %u, "
- "in_critical_cnt %u,\n", (unsigned)h->is_in_int,
- (unsigned)h->max_total_qng, (unsigned)h->cur_total_qng,
- (unsigned)h->in_critical_cnt);
-
- printk(" last_q_shortage %u, init_state 0x%x, no_scam 0x%x, "
- "pci_fix_asyn_xfer 0x%x,\n", (unsigned)h->last_q_shortage,
- (unsigned)h->init_state, (unsigned)h->no_scam,
- (unsigned)h->pci_fix_asyn_xfer);
-
- printk(" cfg 0x%lx, irq_no 0x%x\n", (ulong)h->cfg, (unsigned)h->irq_no);
-}
-
-/*
- * asc_prt_asc_dvc_cfg()
- */
-static void asc_prt_asc_dvc_cfg(ASC_DVC_CFG *h)
-{
- printk("ASC_DVC_CFG at addr 0x%lx\n", (ulong)h);
-
- printk(" can_tagged_qng 0x%x, cmd_qng_enabled 0x%x,\n",
- h->can_tagged_qng, h->cmd_qng_enabled);
- printk(" disc_enable 0x%x, sdtr_enable 0x%x,\n",
- h->disc_enable, h->sdtr_enable);
-
- printk
- (" chip_scsi_id %d, isa_dma_speed %d, isa_dma_channel %d, chip_version %d,\n",
- h->chip_scsi_id, h->isa_dma_speed, h->isa_dma_channel,
- h->chip_version);
-
- printk
- (" pci_device_id %d, lib_serial_no %u, lib_version %u, mcode_date 0x%x,\n",
- to_pci_dev(h->dev)->device, h->lib_serial_no, h->lib_version,
- h->mcode_date);
-
- printk(" mcode_version %d, overrun_buf 0x%lx\n",
- h->mcode_version, (ulong)h->overrun_buf);
-}
-
-/*
- * asc_prt_asc_scsi_q()
- */
-static void asc_prt_asc_scsi_q(ASC_SCSI_Q *q)
-{
- ASC_SG_HEAD *sgp;
- int i;
-
- printk("ASC_SCSI_Q at addr 0x%lx\n", (ulong)q);
-
- printk
- (" target_ix 0x%x, target_lun %u, srb_ptr 0x%lx, tag_code 0x%x,\n",
- q->q2.target_ix, q->q1.target_lun, (ulong)q->q2.srb_ptr,
- q->q2.tag_code);
-
- printk
- (" data_addr 0x%lx, data_cnt %lu, sense_addr 0x%lx, sense_len %u,\n",
- (ulong)le32_to_cpu(q->q1.data_addr),
- (ulong)le32_to_cpu(q->q1.data_cnt),
- (ulong)le32_to_cpu(q->q1.sense_addr), q->q1.sense_len);
-
- printk(" cdbptr 0x%lx, cdb_len %u, sg_head 0x%lx, sg_queue_cnt %u\n",
- (ulong)q->cdbptr, q->q2.cdb_len,
- (ulong)q->sg_head, q->q1.sg_queue_cnt);
-
- if (q->sg_head) {
- sgp = q->sg_head;
- printk("ASC_SG_HEAD at addr 0x%lx\n", (ulong)sgp);
- printk(" entry_cnt %u, queue_cnt %u\n", sgp->entry_cnt,
- sgp->queue_cnt);
- for (i = 0; i < sgp->entry_cnt; i++) {
- printk(" [%u]: addr 0x%lx, bytes %lu\n",
- i, (ulong)le32_to_cpu(sgp->sg_list[i].addr),
- (ulong)le32_to_cpu(sgp->sg_list[i].bytes));
- }
-
- }
-}
-
-/*
- * asc_prt_asc_qdone_info()
- */
-static void asc_prt_asc_qdone_info(ASC_QDONE_INFO *q)
-{
- printk("ASC_QDONE_INFO at addr 0x%lx\n", (ulong)q);
- printk(" srb_ptr 0x%lx, target_ix %u, cdb_len %u, tag_code %u,\n",
- (ulong)q->d2.srb_ptr, q->d2.target_ix, q->d2.cdb_len,
- q->d2.tag_code);
- printk
- (" done_stat 0x%x, host_stat 0x%x, scsi_stat 0x%x, scsi_msg 0x%x\n",
- q->d3.done_stat, q->d3.host_stat, q->d3.scsi_stat, q->d3.scsi_msg);
-}
-
-/*
- * asc_prt_adv_dvc_var()
- *
- * Display an ADV_DVC_VAR structure.
- */
-static void asc_prt_adv_dvc_var(ADV_DVC_VAR *h)
-{
- printk(" ADV_DVC_VAR at addr 0x%lx\n", (ulong)h);
-
- printk(" iop_base 0x%lx, err_code 0x%x, ultra_able 0x%x\n",
- (ulong)h->iop_base, h->err_code, (unsigned)h->ultra_able);
-
- printk(" isr_callback 0x%lx, sdtr_able 0x%x, wdtr_able 0x%x\n",
- (ulong)h->isr_callback, (unsigned)h->sdtr_able,
- (unsigned)h->wdtr_able);
-
- printk(" start_motor 0x%x, scsi_reset_wait 0x%x, irq_no 0x%x,\n",
- (unsigned)h->start_motor,
- (unsigned)h->scsi_reset_wait, (unsigned)h->irq_no);
-
- printk(" max_host_qng %u, max_dvc_qng %u, carr_freelist 0x%lxn\n",
- (unsigned)h->max_host_qng, (unsigned)h->max_dvc_qng,
- (ulong)h->carr_freelist);
-
- printk(" icq_sp 0x%lx, irq_sp 0x%lx\n",
- (ulong)h->icq_sp, (ulong)h->irq_sp);
-
- printk(" no_scam 0x%x, tagqng_able 0x%x\n",
- (unsigned)h->no_scam, (unsigned)h->tagqng_able);
-
- printk(" chip_scsi_id 0x%x, cfg 0x%lx\n",
- (unsigned)h->chip_scsi_id, (ulong)h->cfg);
-}
-
-/*
- * asc_prt_adv_dvc_cfg()
- *
- * Display an ADV_DVC_CFG structure.
- */
-static void asc_prt_adv_dvc_cfg(ADV_DVC_CFG *h)
-{
- printk(" ADV_DVC_CFG at addr 0x%lx\n", (ulong)h);
-
- printk(" disc_enable 0x%x, termination 0x%x\n",
- h->disc_enable, h->termination);
-
- printk(" chip_version 0x%x, mcode_date 0x%x\n",
- h->chip_version, h->mcode_date);
-
- printk(" mcode_version 0x%x, pci_device_id 0x%x, lib_version %u\n",
- h->mcode_version, to_pci_dev(h->dev)->device, h->lib_version);
-
- printk(" control_flag 0x%x\n", h->control_flag);
-}
-
-/*
- * asc_prt_adv_scsi_req_q()
- *
- * Display an ADV_SCSI_REQ_Q structure.
- */
-static void asc_prt_adv_scsi_req_q(ADV_SCSI_REQ_Q *q)
-{
- int sg_blk_cnt;
- struct asc_sg_block *sg_ptr;
-
- printk("ADV_SCSI_REQ_Q at addr 0x%lx\n", (ulong)q);
-
- printk(" target_id %u, target_lun %u, srb_ptr 0x%lx, a_flag 0x%x\n",
- q->target_id, q->target_lun, (ulong)q->srb_ptr, q->a_flag);
-
- printk(" cntl 0x%x, data_addr 0x%lx, vdata_addr 0x%lx\n",
- q->cntl, (ulong)le32_to_cpu(q->data_addr), (ulong)q->vdata_addr);
-
- printk(" data_cnt %lu, sense_addr 0x%lx, sense_len %u,\n",
- (ulong)le32_to_cpu(q->data_cnt),
- (ulong)le32_to_cpu(q->sense_addr), q->sense_len);
-
- printk
- (" cdb_len %u, done_status 0x%x, host_status 0x%x, scsi_status 0x%x\n",
- q->cdb_len, q->done_status, q->host_status, q->scsi_status);
-
- printk(" sg_working_ix 0x%x, target_cmd %u\n",
- q->sg_working_ix, q->target_cmd);
-
- printk(" scsiq_rptr 0x%lx, sg_real_addr 0x%lx, sg_list_ptr 0x%lx\n",
- (ulong)le32_to_cpu(q->scsiq_rptr),
- (ulong)le32_to_cpu(q->sg_real_addr), (ulong)q->sg_list_ptr);
-
- /* Display the request's ADV_SG_BLOCK structures. */
- if (q->sg_list_ptr != NULL) {
- sg_blk_cnt = 0;
- while (1) {
- /*
- * 'sg_ptr' is a physical address. Convert it to a virtual
- * address by indexing 'sg_blk_cnt' into the virtual address
- * array 'sg_list_ptr'.
- *
- * XXX - Assumes all SG physical blocks are virtually contiguous.
- */
- sg_ptr =
- &(((ADV_SG_BLOCK *)(q->sg_list_ptr))[sg_blk_cnt]);
- asc_prt_adv_sgblock(sg_blk_cnt, sg_ptr);
- if (sg_ptr->sg_ptr == 0) {
- break;
- }
- sg_blk_cnt++;
- }
- }
-}
-
-/*
- * asc_prt_adv_sgblock()
- *
- * Display an ADV_SG_BLOCK structure.
- */
-static void asc_prt_adv_sgblock(int sgblockno, ADV_SG_BLOCK *b)
-{
- int i;
-
- printk(" ASC_SG_BLOCK at addr 0x%lx (sgblockno %d)\n",
- (ulong)b, sgblockno);
- printk(" sg_cnt %u, sg_ptr 0x%lx\n",
- b->sg_cnt, (ulong)le32_to_cpu(b->sg_ptr));
- BUG_ON(b->sg_cnt > NO_OF_SG_PER_BLOCK);
- if (b->sg_ptr != 0)
- BUG_ON(b->sg_cnt != NO_OF_SG_PER_BLOCK);
- for (i = 0; i < b->sg_cnt; i++) {
- printk(" [%u]: sg_addr 0x%lx, sg_count 0x%lx\n",
- i, (ulong)b->sg_list[i].sg_addr,
- (ulong)b->sg_list[i].sg_count);
- }
-}
-
-/*
- * asc_prt_hex()
- *
- * Print hexadecimal output in 4 byte groupings 32 bytes
- * or 8 double-words per line.
- */
-static void asc_prt_hex(char *f, uchar *s, int l)
-{
- int i;
- int j;
- int k;
- int m;
-
- printk("%s: (%d bytes)\n", f, l);
-
- for (i = 0; i < l; i += 32) {
-
- /* Display a maximum of 8 double-words per line. */
- if ((k = (l - i) / 4) >= 8) {
- k = 8;
- m = 0;
- } else {
- m = (l - i) % 4;
- }
-
- for (j = 0; j < k; j++) {
- printk(" %2.2X%2.2X%2.2X%2.2X",
- (unsigned)s[i + (j * 4)],
- (unsigned)s[i + (j * 4) + 1],
- (unsigned)s[i + (j * 4) + 2],
- (unsigned)s[i + (j * 4) + 3]);
- }
-
- switch (m) {
- case 0:
- default:
- break;
- case 1:
- printk(" %2.2X", (unsigned)s[i + (j * 4)]);
- break;
- case 2:
- printk(" %2.2X%2.2X",
- (unsigned)s[i + (j * 4)],
- (unsigned)s[i + (j * 4) + 1]);
- break;
- case 3:
- printk(" %2.2X%2.2X%2.2X",
- (unsigned)s[i + (j * 4) + 1],
- (unsigned)s[i + (j * 4) + 2],
- (unsigned)s[i + (j * 4) + 3]);
- break;
- }
-
- printk("\n");
- }
-}
-#endif /* ADVANSYS_DEBUG */
-
-static ushort __devinit AscGetEisaChipCfg(PortAddr iop_base)
-{
- PortAddr eisa_cfg_iop;
-
- eisa_cfg_iop = (PortAddr) ASC_GET_EISA_SLOT(iop_base) |
- (PortAddr) (ASC_EISA_CFG_IOP_MASK);
- return (inpw(eisa_cfg_iop));
-}
-
-static uchar __devinit AscSetChipScsiID(PortAddr iop_base, uchar new_host_id)
-{
- ushort cfg_lsw;
-
- if (AscGetChipScsiID(iop_base) == new_host_id) {
- return (new_host_id);
- }
- cfg_lsw = AscGetChipCfgLsw(iop_base);
- cfg_lsw &= 0xF8FF;
- cfg_lsw |= (ushort)((new_host_id & ASC_MAX_TID) << 8);
- AscSetChipCfgLsw(iop_base, cfg_lsw);
- return (AscGetChipScsiID(iop_base));
-}
-
-static unsigned char __devinit AscGetChipScsiCtrl(PortAddr iop_base)
-{
- unsigned char sc;
-
- AscSetBank(iop_base, 1);
- sc = inp(iop_base + IOP_REG_SC);
- AscSetBank(iop_base, 0);
- return sc;
-}
-
-static unsigned char __devinit
-AscGetChipVersion(PortAddr iop_base, unsigned short bus_type)
-{
- if (bus_type & ASC_IS_EISA) {
- PortAddr eisa_iop;
- unsigned char revision;
- eisa_iop = (PortAddr) ASC_GET_EISA_SLOT(iop_base) |
- (PortAddr) ASC_EISA_REV_IOP_MASK;
- revision = inp(eisa_iop);
- return ASC_CHIP_MIN_VER_EISA - 1 + revision;
- }
- return AscGetChipVerNo(iop_base);
-}
-
-static ASC_DCNT
-AscLoadMicroCode(PortAddr iop_base,
- ushort s_addr, uchar *mcode_buf, ushort mcode_size)
-{
- ASC_DCNT chksum;
- ushort mcode_word_size;
- ushort mcode_chksum;
-
- /* Write the microcode buffer starting at LRAM address 0. */
- mcode_word_size = (ushort)(mcode_size >> 1);
- AscMemWordSetLram(iop_base, s_addr, 0, mcode_word_size);
- AscMemWordCopyPtrToLram(iop_base, s_addr, mcode_buf, mcode_word_size);
-
- chksum = AscMemSumLramWord(iop_base, s_addr, mcode_word_size);
- ASC_DBG1(1, "AscLoadMicroCode: chksum 0x%lx\n", (ulong)chksum);
- mcode_chksum = (ushort)AscMemSumLramWord(iop_base,
- (ushort)ASC_CODE_SEC_BEG,
- (ushort)((mcode_size -
- s_addr - (ushort)
- ASC_CODE_SEC_BEG) /
- 2));
- ASC_DBG1(1, "AscLoadMicroCode: mcode_chksum 0x%lx\n",
- (ulong)mcode_chksum);
- AscWriteLramWord(iop_base, ASCV_MCODE_CHKSUM_W, mcode_chksum);
- AscWriteLramWord(iop_base, ASCV_MCODE_SIZE_W, mcode_size);
- return (chksum);
-}
-
-static int AscFindSignature(PortAddr iop_base)
-{
- ushort sig_word;
-
- ASC_DBG2(1, "AscFindSignature: AscGetChipSignatureByte(0x%x) 0x%x\n",
- iop_base, AscGetChipSignatureByte(iop_base));
- if (AscGetChipSignatureByte(iop_base) == (uchar)ASC_1000_ID1B) {
- ASC_DBG2(1,
- "AscFindSignature: AscGetChipSignatureWord(0x%x) 0x%x\n",
- iop_base, AscGetChipSignatureWord(iop_base));
- sig_word = AscGetChipSignatureWord(iop_base);
- if ((sig_word == (ushort)ASC_1000_ID0W) ||
- (sig_word == (ushort)ASC_1000_ID0W_FIX)) {
- return (1);
- }
- }
- return (0);
-}
-
-static void __devinit AscToggleIRQAct(PortAddr iop_base)
-{
- AscSetChipStatus(iop_base, CIW_IRQ_ACT);
- AscSetChipStatus(iop_base, 0);
- return;
-}
-
-static uchar __devinit AscGetChipIRQ(PortAddr iop_base, ushort bus_type)
-{
- ushort cfg_lsw;
- uchar chip_irq;
-
- if ((bus_type & ASC_IS_EISA) != 0) {
- cfg_lsw = AscGetEisaChipCfg(iop_base);
- chip_irq = (uchar)(((cfg_lsw >> 8) & 0x07) + 10);
- if ((chip_irq == 13) || (chip_irq > 15)) {
- return (0);
- }
- return (chip_irq);
- }
- if ((bus_type & ASC_IS_VL) != 0) {
- cfg_lsw = AscGetChipCfgLsw(iop_base);
- chip_irq = (uchar)(((cfg_lsw >> 2) & 0x07));
- if ((chip_irq == 0) || (chip_irq == 4) || (chip_irq == 7)) {
- return (0);
- }
- return ((uchar)(chip_irq + (ASC_MIN_IRQ_NO - 1)));
- }
- cfg_lsw = AscGetChipCfgLsw(iop_base);
- chip_irq = (uchar)(((cfg_lsw >> 2) & 0x03));
- if (chip_irq == 3)
- chip_irq += (uchar)2;
- return ((uchar)(chip_irq + ASC_MIN_IRQ_NO));
-}
-
-static uchar __devinit
-AscSetChipIRQ(PortAddr iop_base, uchar irq_no, ushort bus_type)
-{
- ushort cfg_lsw;
-
- if ((bus_type & ASC_IS_VL) != 0) {
- if (irq_no != 0) {
- if ((irq_no < ASC_MIN_IRQ_NO)
- || (irq_no > ASC_MAX_IRQ_NO)) {
- irq_no = 0;
- } else {
- irq_no -= (uchar)((ASC_MIN_IRQ_NO - 1));
- }
- }
- cfg_lsw = (ushort)(AscGetChipCfgLsw(iop_base) & 0xFFE3);
- cfg_lsw |= (ushort)0x0010;
- AscSetChipCfgLsw(iop_base, cfg_lsw);
- AscToggleIRQAct(iop_base);
- cfg_lsw = (ushort)(AscGetChipCfgLsw(iop_base) & 0xFFE0);
- cfg_lsw |= (ushort)((irq_no & 0x07) << 2);
- AscSetChipCfgLsw(iop_base, cfg_lsw);
- AscToggleIRQAct(iop_base);
- return (AscGetChipIRQ(iop_base, bus_type));
- }
- if ((bus_type & (ASC_IS_ISA)) != 0) {
- if (irq_no == 15)
- irq_no -= (uchar)2;
- irq_no -= (uchar)ASC_MIN_IRQ_NO;
- cfg_lsw = (ushort)(AscGetChipCfgLsw(iop_base) & 0xFFF3);
- cfg_lsw |= (ushort)((irq_no & 0x03) << 2);
- AscSetChipCfgLsw(iop_base, cfg_lsw);
- return (AscGetChipIRQ(iop_base, bus_type));
- }
- return (0);
-}
-
-#ifdef CONFIG_ISA
-static void __devinit AscEnableIsaDma(uchar dma_channel)
-{
- if (dma_channel < 4) {
- outp(0x000B, (ushort)(0xC0 | dma_channel));
- outp(0x000A, dma_channel);
- } else if (dma_channel < 8) {
- outp(0x00D6, (ushort)(0xC0 | (dma_channel - 4)));
- outp(0x00D4, (ushort)(dma_channel - 4));
- }
- return;
-}
-#endif /* CONFIG_ISA */
-
-static int AscIsrChipHalted(ASC_DVC_VAR *asc_dvc)
-{
- EXT_MSG ext_msg;
- EXT_MSG out_msg;
- ushort halt_q_addr;
- int sdtr_accept;
- ushort int_halt_code;
- ASC_SCSI_BIT_ID_TYPE scsi_busy;
- ASC_SCSI_BIT_ID_TYPE target_id;
- PortAddr iop_base;
- uchar tag_code;
- uchar q_status;
- uchar halt_qp;
- uchar sdtr_data;
- uchar target_ix;
- uchar q_cntl, tid_no;
- uchar cur_dvc_qng;
- uchar asyn_sdtr;
- uchar scsi_status;
- asc_board_t *boardp;
-
- BUG_ON(!asc_dvc->drv_ptr);
- boardp = asc_dvc->drv_ptr;
-
- iop_base = asc_dvc->iop_base;
- int_halt_code = AscReadLramWord(iop_base, ASCV_HALTCODE_W);
-
- halt_qp = AscReadLramByte(iop_base, ASCV_CURCDB_B);
- halt_q_addr = ASC_QNO_TO_QADDR(halt_qp);
- target_ix = AscReadLramByte(iop_base,
- (ushort)(halt_q_addr +
- (ushort)ASC_SCSIQ_B_TARGET_IX));
- q_cntl = AscReadLramByte(iop_base,
- (ushort)(halt_q_addr + (ushort)ASC_SCSIQ_B_CNTL));
- tid_no = ASC_TIX_TO_TID(target_ix);
- target_id = (uchar)ASC_TID_TO_TARGET_ID(tid_no);
- if (asc_dvc->pci_fix_asyn_xfer & target_id) {
- asyn_sdtr = ASYN_SDTR_DATA_FIX_PCI_REV_AB;
- } else {
- asyn_sdtr = 0;
- }
- if (int_halt_code == ASC_HALT_DISABLE_ASYN_USE_SYN_FIX) {
- if (asc_dvc->pci_fix_asyn_xfer & target_id) {
- AscSetChipSDTR(iop_base, 0, tid_no);
- boardp->sdtr_data[tid_no] = 0;
- }
- AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
- return (0);
- } else if (int_halt_code == ASC_HALT_ENABLE_ASYN_USE_SYN_FIX) {
- if (asc_dvc->pci_fix_asyn_xfer & target_id) {
- AscSetChipSDTR(iop_base, asyn_sdtr, tid_no);
- boardp->sdtr_data[tid_no] = asyn_sdtr;
- }
- AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
- return (0);
- } else if (int_halt_code == ASC_HALT_EXTMSG_IN) {
- AscMemWordCopyPtrFromLram(iop_base,
- ASCV_MSGIN_BEG,
- (uchar *)&ext_msg,
- sizeof(EXT_MSG) >> 1);
-
- if (ext_msg.msg_type == EXTENDED_MESSAGE &&
- ext_msg.msg_req == EXTENDED_SDTR &&
- ext_msg.msg_len == MS_SDTR_LEN) {
- sdtr_accept = TRUE;
- if ((ext_msg.req_ack_offset > ASC_SYN_MAX_OFFSET)) {
-
- sdtr_accept = FALSE;
- ext_msg.req_ack_offset = ASC_SYN_MAX_OFFSET;
- }
- if ((ext_msg.xfer_period <
- asc_dvc->sdtr_period_tbl[asc_dvc->
- host_init_sdtr_index])
- || (ext_msg.xfer_period >
- asc_dvc->sdtr_period_tbl[asc_dvc->
- max_sdtr_index])) {
- sdtr_accept = FALSE;
- ext_msg.xfer_period =
- asc_dvc->sdtr_period_tbl[asc_dvc->
- host_init_sdtr_index];
- }
- if (sdtr_accept) {
- sdtr_data =
- AscCalSDTRData(asc_dvc, ext_msg.xfer_period,
- ext_msg.req_ack_offset);
- if ((sdtr_data == 0xFF)) {
-
- q_cntl |= QC_MSG_OUT;
- asc_dvc->init_sdtr &= ~target_id;
- asc_dvc->sdtr_done &= ~target_id;
- AscSetChipSDTR(iop_base, asyn_sdtr,
- tid_no);
- boardp->sdtr_data[tid_no] = asyn_sdtr;
- }
- }
- if (ext_msg.req_ack_offset == 0) {
-
- q_cntl &= ~QC_MSG_OUT;
- asc_dvc->init_sdtr &= ~target_id;
- asc_dvc->sdtr_done &= ~target_id;
- AscSetChipSDTR(iop_base, asyn_sdtr, tid_no);
- } else {
- if (sdtr_accept && (q_cntl & QC_MSG_OUT)) {
-
- q_cntl &= ~QC_MSG_OUT;
- asc_dvc->sdtr_done |= target_id;
- asc_dvc->init_sdtr |= target_id;
- asc_dvc->pci_fix_asyn_xfer &=
- ~target_id;
- sdtr_data =
- AscCalSDTRData(asc_dvc,
- ext_msg.xfer_period,
- ext_msg.
- req_ack_offset);
- AscSetChipSDTR(iop_base, sdtr_data,
- tid_no);
- boardp->sdtr_data[tid_no] = sdtr_data;
- } else {
-
- q_cntl |= QC_MSG_OUT;
- AscMsgOutSDTR(asc_dvc,
- ext_msg.xfer_period,
- ext_msg.req_ack_offset);
- asc_dvc->pci_fix_asyn_xfer &=
- ~target_id;
- sdtr_data =
- AscCalSDTRData(asc_dvc,
- ext_msg.xfer_period,
- ext_msg.
- req_ack_offset);
- AscSetChipSDTR(iop_base, sdtr_data,
- tid_no);
- boardp->sdtr_data[tid_no] = sdtr_data;
- asc_dvc->sdtr_done |= target_id;
- asc_dvc->init_sdtr |= target_id;
- }
- }
-
- AscWriteLramByte(iop_base,
- (ushort)(halt_q_addr +
- (ushort)ASC_SCSIQ_B_CNTL),
- q_cntl);
- AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
- return (0);
- } else if (ext_msg.msg_type == EXTENDED_MESSAGE &&
- ext_msg.msg_req == EXTENDED_WDTR &&
- ext_msg.msg_len == MS_WDTR_LEN) {
-
- ext_msg.wdtr_width = 0;
- AscMemWordCopyPtrToLram(iop_base,
- ASCV_MSGOUT_BEG,
- (uchar *)&ext_msg,
- sizeof(EXT_MSG) >> 1);
- q_cntl |= QC_MSG_OUT;
- AscWriteLramByte(iop_base,
- (ushort)(halt_q_addr +
- (ushort)ASC_SCSIQ_B_CNTL),
- q_cntl);
- AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
- return (0);
- } else {
-
- ext_msg.msg_type = MESSAGE_REJECT;
- AscMemWordCopyPtrToLram(iop_base,
- ASCV_MSGOUT_BEG,
- (uchar *)&ext_msg,
- sizeof(EXT_MSG) >> 1);
- q_cntl |= QC_MSG_OUT;
- AscWriteLramByte(iop_base,
- (ushort)(halt_q_addr +
- (ushort)ASC_SCSIQ_B_CNTL),
- q_cntl);
- AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
- return (0);
- }
- } else if (int_halt_code == ASC_HALT_CHK_CONDITION) {
-
- q_cntl |= QC_REQ_SENSE;
-
- if ((asc_dvc->init_sdtr & target_id) != 0) {
-
- asc_dvc->sdtr_done &= ~target_id;
-
- sdtr_data = AscGetMCodeInitSDTRAtID(iop_base, tid_no);
- q_cntl |= QC_MSG_OUT;
- AscMsgOutSDTR(asc_dvc,
- asc_dvc->
- sdtr_period_tbl[(sdtr_data >> 4) &
- (uchar)(asc_dvc->
- max_sdtr_index -
- 1)],
- (uchar)(sdtr_data & (uchar)
- ASC_SYN_MAX_OFFSET));
- }
-
- AscWriteLramByte(iop_base,
- (ushort)(halt_q_addr +
- (ushort)ASC_SCSIQ_B_CNTL), q_cntl);
-
- tag_code = AscReadLramByte(iop_base,
- (ushort)(halt_q_addr + (ushort)
- ASC_SCSIQ_B_TAG_CODE));
- tag_code &= 0xDC;
- if ((asc_dvc->pci_fix_asyn_xfer & target_id)
- && !(asc_dvc->pci_fix_asyn_xfer_always & target_id)
- ) {
-
- tag_code |= (ASC_TAG_FLAG_DISABLE_DISCONNECT
- | ASC_TAG_FLAG_DISABLE_ASYN_USE_SYN_FIX);
-
- }
- AscWriteLramByte(iop_base,
- (ushort)(halt_q_addr +
- (ushort)ASC_SCSIQ_B_TAG_CODE),
- tag_code);
-
- q_status = AscReadLramByte(iop_base,
- (ushort)(halt_q_addr + (ushort)
- ASC_SCSIQ_B_STATUS));
- q_status |= (QS_READY | QS_BUSY);
- AscWriteLramByte(iop_base,
- (ushort)(halt_q_addr +
- (ushort)ASC_SCSIQ_B_STATUS),
- q_status);
-
- scsi_busy = AscReadLramByte(iop_base, (ushort)ASCV_SCSIBUSY_B);
- scsi_busy &= ~target_id;
- AscWriteLramByte(iop_base, (ushort)ASCV_SCSIBUSY_B, scsi_busy);
-
- AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
- return (0);
- } else if (int_halt_code == ASC_HALT_SDTR_REJECTED) {
-
- AscMemWordCopyPtrFromLram(iop_base,
- ASCV_MSGOUT_BEG,
- (uchar *)&out_msg,
- sizeof(EXT_MSG) >> 1);
-
- if ((out_msg.msg_type == EXTENDED_MESSAGE) &&
- (out_msg.msg_len == MS_SDTR_LEN) &&
- (out_msg.msg_req == EXTENDED_SDTR)) {
-
- asc_dvc->init_sdtr &= ~target_id;
- asc_dvc->sdtr_done &= ~target_id;
- AscSetChipSDTR(iop_base, asyn_sdtr, tid_no);
- boardp->sdtr_data[tid_no] = asyn_sdtr;
- }
- q_cntl &= ~QC_MSG_OUT;
- AscWriteLramByte(iop_base,
- (ushort)(halt_q_addr +
- (ushort)ASC_SCSIQ_B_CNTL), q_cntl);
- AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
- return (0);
- } else if (int_halt_code == ASC_HALT_SS_QUEUE_FULL) {
-
- scsi_status = AscReadLramByte(iop_base,
- (ushort)((ushort)halt_q_addr +
- (ushort)
- ASC_SCSIQ_SCSI_STATUS));
- cur_dvc_qng =
- AscReadLramByte(iop_base,
- (ushort)((ushort)ASC_QADR_BEG +
- (ushort)target_ix));
- if ((cur_dvc_qng > 0) && (asc_dvc->cur_dvc_qng[tid_no] > 0)) {
-
- scsi_busy = AscReadLramByte(iop_base,
- (ushort)ASCV_SCSIBUSY_B);
- scsi_busy |= target_id;
- AscWriteLramByte(iop_base,
- (ushort)ASCV_SCSIBUSY_B, scsi_busy);
- asc_dvc->queue_full_or_busy |= target_id;
-
- if (scsi_status == SAM_STAT_TASK_SET_FULL) {
- if (cur_dvc_qng > ASC_MIN_TAGGED_CMD) {
- cur_dvc_qng -= 1;
- asc_dvc->max_dvc_qng[tid_no] =
- cur_dvc_qng;
-
- AscWriteLramByte(iop_base,
- (ushort)((ushort)
- ASCV_MAX_DVC_QNG_BEG
- + (ushort)
- tid_no),
- cur_dvc_qng);
-
- /*
- * Set the device queue depth to the
- * number of active requests when the
- * QUEUE FULL condition was encountered.
- */
- boardp->queue_full |= target_id;
- boardp->queue_full_cnt[tid_no] =
- cur_dvc_qng;
- }
- }
- }
- AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
- return (0);
- }
-#if CC_VERY_LONG_SG_LIST
- else if (int_halt_code == ASC_HALT_HOST_COPY_SG_LIST_TO_RISC) {
- uchar q_no;
- ushort q_addr;
- uchar sg_wk_q_no;
- uchar first_sg_wk_q_no;
- ASC_SCSI_Q *scsiq; /* Ptr to driver request. */
- ASC_SG_HEAD *sg_head; /* Ptr to driver SG request. */
- ASC_SG_LIST_Q scsi_sg_q; /* Structure written to queue. */
- ushort sg_list_dwords;
- ushort sg_entry_cnt;
- uchar next_qp;
- int i;
-
- q_no = AscReadLramByte(iop_base, (ushort)ASCV_REQ_SG_LIST_QP);
- if (q_no == ASC_QLINK_END)
- return 0;
-
- q_addr = ASC_QNO_TO_QADDR(q_no);
-
- /*
- * Convert the request's SRB pointer to a host ASC_SCSI_REQ
- * structure pointer using a macro provided by the driver.
- * The ASC_SCSI_REQ pointer provides a pointer to the
- * host ASC_SG_HEAD structure.
- */
- /* Read request's SRB pointer. */
- scsiq = (ASC_SCSI_Q *)
- ASC_SRB2SCSIQ(ASC_U32_TO_VADDR(AscReadLramDWord(iop_base,
- (ushort)
- (q_addr +
- ASC_SCSIQ_D_SRBPTR))));
-
- /*
- * Get request's first and working SG queue.
- */
- sg_wk_q_no = AscReadLramByte(iop_base,
- (ushort)(q_addr +
- ASC_SCSIQ_B_SG_WK_QP));
-
- first_sg_wk_q_no = AscReadLramByte(iop_base,
- (ushort)(q_addr +
- ASC_SCSIQ_B_FIRST_SG_WK_QP));
-
- /*
- * Reset request's working SG queue back to the
- * first SG queue.
- */
- AscWriteLramByte(iop_base,
- (ushort)(q_addr +
- (ushort)ASC_SCSIQ_B_SG_WK_QP),
- first_sg_wk_q_no);
-
- sg_head = scsiq->sg_head;
-
- /*
- * Set sg_entry_cnt to the number of SG elements
- * that will be completed on this interrupt.
- *
- * Note: The allocated SG queues contain ASC_MAX_SG_LIST - 1
- * SG elements. The data_cnt and data_addr fields which
- * add 1 to the SG element capacity are not used when
- * restarting SG handling after a halt.
- */
- if (scsiq->remain_sg_entry_cnt > (ASC_MAX_SG_LIST - 1)) {
- sg_entry_cnt = ASC_MAX_SG_LIST - 1;
-
- /*
- * Keep track of remaining number of SG elements that
- * will need to be handled on the next interrupt.
- */
- scsiq->remain_sg_entry_cnt -= (ASC_MAX_SG_LIST - 1);
- } else {
- sg_entry_cnt = scsiq->remain_sg_entry_cnt;
- scsiq->remain_sg_entry_cnt = 0;
- }
-
- /*
- * Copy SG elements into the list of allocated SG queues.
- *
- * Last index completed is saved in scsiq->next_sg_index.
- */
- next_qp = first_sg_wk_q_no;
- q_addr = ASC_QNO_TO_QADDR(next_qp);
- scsi_sg_q.sg_head_qp = q_no;
- scsi_sg_q.cntl = QCSG_SG_XFER_LIST;
- for (i = 0; i < sg_head->queue_cnt; i++) {
- scsi_sg_q.seq_no = i + 1;
- if (sg_entry_cnt > ASC_SG_LIST_PER_Q) {
- sg_list_dwords = (uchar)(ASC_SG_LIST_PER_Q * 2);
- sg_entry_cnt -= ASC_SG_LIST_PER_Q;
- /*
- * After very first SG queue RISC FW uses next
- * SG queue first element then checks sg_list_cnt
- * against zero and then decrements, so set
- * sg_list_cnt 1 less than number of SG elements
- * in each SG queue.
- */
- scsi_sg_q.sg_list_cnt = ASC_SG_LIST_PER_Q - 1;
- scsi_sg_q.sg_cur_list_cnt =
- ASC_SG_LIST_PER_Q - 1;
- } else {
- /*
- * This is the last SG queue in the list of
- * allocated SG queues. If there are more
- * SG elements than will fit in the allocated
- * queues, then set the QCSG_SG_XFER_MORE flag.
- */
- if (scsiq->remain_sg_entry_cnt != 0) {
- scsi_sg_q.cntl |= QCSG_SG_XFER_MORE;
- } else {
- scsi_sg_q.cntl |= QCSG_SG_XFER_END;
- }
- /* equals sg_entry_cnt * 2 */
- sg_list_dwords = sg_entry_cnt << 1;
- scsi_sg_q.sg_list_cnt = sg_entry_cnt - 1;
- scsi_sg_q.sg_cur_list_cnt = sg_entry_cnt - 1;
- sg_entry_cnt = 0;
- }
-
- scsi_sg_q.q_no = next_qp;
- AscMemWordCopyPtrToLram(iop_base,
- q_addr + ASC_SCSIQ_SGHD_CPY_BEG,
- (uchar *)&scsi_sg_q,
- sizeof(ASC_SG_LIST_Q) >> 1);
-
- AscMemDWordCopyPtrToLram(iop_base,
- q_addr + ASC_SGQ_LIST_BEG,
- (uchar *)&sg_head->
- sg_list[scsiq->next_sg_index],
- sg_list_dwords);
-
- scsiq->next_sg_index += ASC_SG_LIST_PER_Q;
-
- /*
- * If the just completed SG queue contained the
- * last SG element, then no more SG queues need
- * to be written.
- */
- if (scsi_sg_q.cntl & QCSG_SG_XFER_END) {
- break;
- }
-
- next_qp = AscReadLramByte(iop_base,
- (ushort)(q_addr +
- ASC_SCSIQ_B_FWD));
- q_addr = ASC_QNO_TO_QADDR(next_qp);
- }
-
- /*
- * Clear the halt condition so the RISC will be restarted
- * after the return.
- */
- AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
- return (0);
- }
-#endif /* CC_VERY_LONG_SG_LIST */
- return (0);
-}
-
-static uchar
-_AscCopyLramScsiDoneQ(PortAddr iop_base,
- ushort q_addr,
- ASC_QDONE_INFO *scsiq, ASC_DCNT max_dma_count)
-{
- ushort _val;
- uchar sg_queue_cnt;
-
- DvcGetQinfo(iop_base,
- q_addr + ASC_SCSIQ_DONE_INFO_BEG,
- (uchar *)scsiq,
- (sizeof(ASC_SCSIQ_2) + sizeof(ASC_SCSIQ_3)) / 2);
-
- _val = AscReadLramWord(iop_base,
- (ushort)(q_addr + (ushort)ASC_SCSIQ_B_STATUS));
- scsiq->q_status = (uchar)_val;
- scsiq->q_no = (uchar)(_val >> 8);
- _val = AscReadLramWord(iop_base,
- (ushort)(q_addr + (ushort)ASC_SCSIQ_B_CNTL));
- scsiq->cntl = (uchar)_val;
- sg_queue_cnt = (uchar)(_val >> 8);
- _val = AscReadLramWord(iop_base,
- (ushort)(q_addr +
- (ushort)ASC_SCSIQ_B_SENSE_LEN));
- scsiq->sense_len = (uchar)_val;
- scsiq->extra_bytes = (uchar)(_val >> 8);
-
- /*
- * Read high word of remain bytes from alternate location.
- */
- scsiq->remain_bytes = (((ADV_DCNT)AscReadLramWord(iop_base,
- (ushort)(q_addr +
- (ushort)
- ASC_SCSIQ_W_ALT_DC1)))
- << 16);
- /*
- * Read low word of remain bytes from original location.
- */
- scsiq->remain_bytes += AscReadLramWord(iop_base,
- (ushort)(q_addr + (ushort)
- ASC_SCSIQ_DW_REMAIN_XFER_CNT));
-
- scsiq->remain_bytes &= max_dma_count;
- return (sg_queue_cnt);
-}
-
-static int AscIsrQDone(ASC_DVC_VAR *asc_dvc)
-{
- uchar next_qp;
- uchar n_q_used;
- uchar sg_list_qp;
- uchar sg_queue_cnt;
- uchar q_cnt;
- uchar done_q_tail;
- uchar tid_no;
- ASC_SCSI_BIT_ID_TYPE scsi_busy;
- ASC_SCSI_BIT_ID_TYPE target_id;
- PortAddr iop_base;
- ushort q_addr;
- ushort sg_q_addr;
- uchar cur_target_qng;
- ASC_QDONE_INFO scsiq_buf;
- ASC_QDONE_INFO *scsiq;
- int false_overrun;
-
- iop_base = asc_dvc->iop_base;
- n_q_used = 1;
- scsiq = (ASC_QDONE_INFO *)&scsiq_buf;
- done_q_tail = (uchar)AscGetVarDoneQTail(iop_base);
- q_addr = ASC_QNO_TO_QADDR(done_q_tail);
- next_qp = AscReadLramByte(iop_base,
- (ushort)(q_addr + (ushort)ASC_SCSIQ_B_FWD));
- if (next_qp != ASC_QLINK_END) {
- AscPutVarDoneQTail(iop_base, next_qp);
- q_addr = ASC_QNO_TO_QADDR(next_qp);
- sg_queue_cnt = _AscCopyLramScsiDoneQ(iop_base, q_addr, scsiq,
- asc_dvc->max_dma_count);
- AscWriteLramByte(iop_base,
- (ushort)(q_addr +
- (ushort)ASC_SCSIQ_B_STATUS),
- (uchar)(scsiq->
- q_status & (uchar)~(QS_READY |
- QS_ABORTED)));
- tid_no = ASC_TIX_TO_TID(scsiq->d2.target_ix);
- target_id = ASC_TIX_TO_TARGET_ID(scsiq->d2.target_ix);
- if ((scsiq->cntl & QC_SG_HEAD) != 0) {
- sg_q_addr = q_addr;
- sg_list_qp = next_qp;
- for (q_cnt = 0; q_cnt < sg_queue_cnt; q_cnt++) {
- sg_list_qp = AscReadLramByte(iop_base,
- (ushort)(sg_q_addr
- + (ushort)
- ASC_SCSIQ_B_FWD));
- sg_q_addr = ASC_QNO_TO_QADDR(sg_list_qp);
- if (sg_list_qp == ASC_QLINK_END) {
- AscSetLibErrorCode(asc_dvc,
- ASCQ_ERR_SG_Q_LINKS);
- scsiq->d3.done_stat = QD_WITH_ERROR;
- scsiq->d3.host_stat =
- QHSTA_D_QDONE_SG_LIST_CORRUPTED;
- goto FATAL_ERR_QDONE;
- }
- AscWriteLramByte(iop_base,
- (ushort)(sg_q_addr + (ushort)
- ASC_SCSIQ_B_STATUS),
- QS_FREE);
- }
- n_q_used = sg_queue_cnt + 1;
- AscPutVarDoneQTail(iop_base, sg_list_qp);
- }
- if (asc_dvc->queue_full_or_busy & target_id) {
- cur_target_qng = AscReadLramByte(iop_base,
- (ushort)((ushort)
- ASC_QADR_BEG
- + (ushort)
- scsiq->d2.
- target_ix));
- if (cur_target_qng < asc_dvc->max_dvc_qng[tid_no]) {
- scsi_busy = AscReadLramByte(iop_base, (ushort)
- ASCV_SCSIBUSY_B);
- scsi_busy &= ~target_id;
- AscWriteLramByte(iop_base,
- (ushort)ASCV_SCSIBUSY_B,
- scsi_busy);
- asc_dvc->queue_full_or_busy &= ~target_id;
- }
- }
- if (asc_dvc->cur_total_qng >= n_q_used) {
- asc_dvc->cur_total_qng -= n_q_used;
- if (asc_dvc->cur_dvc_qng[tid_no] != 0) {
- asc_dvc->cur_dvc_qng[tid_no]--;
- }
- } else {
- AscSetLibErrorCode(asc_dvc, ASCQ_ERR_CUR_QNG);
- scsiq->d3.done_stat = QD_WITH_ERROR;
- goto FATAL_ERR_QDONE;
- }
- if ((scsiq->d2.srb_ptr == 0UL) ||
- ((scsiq->q_status & QS_ABORTED) != 0)) {
- return (0x11);
- } else if (scsiq->q_status == QS_DONE) {
- false_overrun = FALSE;
- if (scsiq->extra_bytes != 0) {
- scsiq->remain_bytes +=
- (ADV_DCNT)scsiq->extra_bytes;
- }
- if (scsiq->d3.done_stat == QD_WITH_ERROR) {
- if (scsiq->d3.host_stat ==
- QHSTA_M_DATA_OVER_RUN) {
- if ((scsiq->
- cntl & (QC_DATA_IN | QC_DATA_OUT))
- == 0) {
- scsiq->d3.done_stat =
- QD_NO_ERROR;
- scsiq->d3.host_stat =
- QHSTA_NO_ERROR;
- } else if (false_overrun) {
- scsiq->d3.done_stat =
- QD_NO_ERROR;
- scsiq->d3.host_stat =
- QHSTA_NO_ERROR;
- }
- } else if (scsiq->d3.host_stat ==
- QHSTA_M_HUNG_REQ_SCSI_BUS_RESET) {
- AscStopChip(iop_base);
- AscSetChipControl(iop_base,
- (uchar)(CC_SCSI_RESET
- | CC_HALT));
- udelay(60);
- AscSetChipControl(iop_base, CC_HALT);
- AscSetChipStatus(iop_base,
- CIW_CLR_SCSI_RESET_INT);
- AscSetChipStatus(iop_base, 0);
- AscSetChipControl(iop_base, 0);
- }
- }
- if ((scsiq->cntl & QC_NO_CALLBACK) == 0) {
- asc_isr_callback(asc_dvc, scsiq);
- } else {
- if ((AscReadLramByte(iop_base,
- (ushort)(q_addr + (ushort)
- ASC_SCSIQ_CDB_BEG))
- == START_STOP)) {
- asc_dvc->unit_not_ready &= ~target_id;
- if (scsiq->d3.done_stat != QD_NO_ERROR) {
- asc_dvc->start_motor &=
- ~target_id;
- }
- }
- }
- return (1);
- } else {
- AscSetLibErrorCode(asc_dvc, ASCQ_ERR_Q_STATUS);
- FATAL_ERR_QDONE:
- if ((scsiq->cntl & QC_NO_CALLBACK) == 0) {
- asc_isr_callback(asc_dvc, scsiq);
- }
- return (0x80);
- }
- }
- return (0);
-}
-
-static int AscISR(ASC_DVC_VAR *asc_dvc)
-{
- ASC_CS_TYPE chipstat;
- PortAddr iop_base;
- ushort saved_ram_addr;
- uchar ctrl_reg;
- uchar saved_ctrl_reg;
- int int_pending;
- int status;
- uchar host_flag;
-
- iop_base = asc_dvc->iop_base;
- int_pending = FALSE;
-
- if (AscIsIntPending(iop_base) == 0) {
- return int_pending;
- }
-
- if ((asc_dvc->init_state & ASC_INIT_STATE_END_LOAD_MC) == 0) {
- return (ERR);
- }
- if (asc_dvc->in_critical_cnt != 0) {
- AscSetLibErrorCode(asc_dvc, ASCQ_ERR_ISR_ON_CRITICAL);
- return (ERR);
- }
- if (asc_dvc->is_in_int) {
- AscSetLibErrorCode(asc_dvc, ASCQ_ERR_ISR_RE_ENTRY);
- return (ERR);
- }
- asc_dvc->is_in_int = TRUE;
- ctrl_reg = AscGetChipControl(iop_base);
- saved_ctrl_reg = ctrl_reg & (~(CC_SCSI_RESET | CC_CHIP_RESET |
- CC_SINGLE_STEP | CC_DIAG | CC_TEST));
- chipstat = AscGetChipStatus(iop_base);
- if (chipstat & CSW_SCSI_RESET_LATCH) {
- if (!(asc_dvc->bus_type & (ASC_IS_VL | ASC_IS_EISA))) {
- int i = 10;
- int_pending = TRUE;
- asc_dvc->sdtr_done = 0;
- saved_ctrl_reg &= (uchar)(~CC_HALT);
- while ((AscGetChipStatus(iop_base) &
- CSW_SCSI_RESET_ACTIVE) && (i-- > 0)) {
- mdelay(100);
- }
- AscSetChipControl(iop_base, (CC_CHIP_RESET | CC_HALT));
- AscSetChipControl(iop_base, CC_HALT);
- AscSetChipStatus(iop_base, CIW_CLR_SCSI_RESET_INT);
- AscSetChipStatus(iop_base, 0);
- chipstat = AscGetChipStatus(iop_base);
- }
- }
- saved_ram_addr = AscGetChipLramAddr(iop_base);
- host_flag = AscReadLramByte(iop_base,
- ASCV_HOST_FLAG_B) &
- (uchar)(~ASC_HOST_FLAG_IN_ISR);
- AscWriteLramByte(iop_base, ASCV_HOST_FLAG_B,
- (uchar)(host_flag | (uchar)ASC_HOST_FLAG_IN_ISR));
- if ((chipstat & CSW_INT_PENDING)
- || (int_pending)
- ) {
- AscAckInterrupt(iop_base);
- int_pending = TRUE;
- if ((chipstat & CSW_HALTED) && (ctrl_reg & CC_SINGLE_STEP)) {
- if (AscIsrChipHalted(asc_dvc) == ERR) {
- goto ISR_REPORT_QDONE_FATAL_ERROR;
- } else {
- saved_ctrl_reg &= (uchar)(~CC_HALT);
- }
- } else {
- ISR_REPORT_QDONE_FATAL_ERROR:
- if ((asc_dvc->dvc_cntl & ASC_CNTL_INT_MULTI_Q) != 0) {
- while (((status =
- AscIsrQDone(asc_dvc)) & 0x01) != 0) {
- }
- } else {
- do {
- if ((status =
- AscIsrQDone(asc_dvc)) == 1) {
- break;
- }
- } while (status == 0x11);
- }
- if ((status & 0x80) != 0)
- int_pending = ERR;
- }
- }
- AscWriteLramByte(iop_base, ASCV_HOST_FLAG_B, host_flag);
- AscSetChipLramAddr(iop_base, saved_ram_addr);
- AscSetChipControl(iop_base, saved_ctrl_reg);
- asc_dvc->is_in_int = FALSE;
- return (int_pending);
-}
-
-/* Microcode buffer is kept after initialization for error recovery. */
-static uchar _asc_mcode_buf[] = {
- 0x01, 0x03, 0x01, 0x19, 0x0F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC3, 0x12, 0x0D, 0x05,
- 0x01, 0x00, 0x00, 0x00, 0x00, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0xFF, 0x80, 0xFF, 0xFF, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x23, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x00, 0xFF,
- 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0xE4, 0x88, 0x00, 0x00, 0x00, 0x00, 0x80, 0x73, 0x48, 0x04,
- 0x36, 0x00, 0x00, 0xA2, 0xC2, 0x00, 0x80, 0x73, 0x03, 0x23, 0x36, 0x40,
- 0xB6, 0x00, 0x36, 0x00, 0x05, 0xD6, 0x0C, 0xD2, 0x12, 0xDA, 0x00, 0xA2,
- 0xC2, 0x00, 0x92, 0x80, 0x1E, 0x98, 0x50, 0x00, 0xF5, 0x00, 0x48, 0x98,
- 0xDF, 0x23, 0x36, 0x60, 0xB6, 0x00, 0x92, 0x80, 0x4F, 0x00, 0xF5, 0x00,
- 0x48, 0x98, 0xEF, 0x23, 0x36, 0x60, 0xB6, 0x00, 0x92, 0x80, 0x80, 0x62,
- 0x92, 0x80, 0x00, 0x46, 0x15, 0xEE, 0x13, 0xEA, 0x02, 0x01, 0x09, 0xD8,
- 0xCD, 0x04, 0x4D, 0x00, 0x00, 0xA3, 0xD6, 0x00, 0xA6, 0x97, 0x7F, 0x23,
- 0x04, 0x61, 0x84, 0x01, 0xE6, 0x84, 0xD2, 0xC1, 0x80, 0x73, 0xCD, 0x04,
- 0x4D, 0x00, 0x00, 0xA3, 0xDA, 0x01, 0xA6, 0x97, 0xC6, 0x81, 0xC2, 0x88,
- 0x80, 0x73, 0x80, 0x77, 0x00, 0x01, 0x01, 0xA1, 0xFE, 0x00, 0x4F, 0x00,
- 0x84, 0x97, 0x07, 0xA6, 0x08, 0x01, 0x00, 0x33, 0x03, 0x00, 0xC2, 0x88,
- 0x03, 0x03, 0x01, 0xDE, 0xC2, 0x88, 0xCE, 0x00, 0x69, 0x60, 0xCE, 0x00,
- 0x02, 0x03, 0x4A, 0x60, 0x00, 0xA2, 0x78, 0x01, 0x80, 0x63, 0x07, 0xA6,
- 0x24, 0x01, 0x78, 0x81, 0x03, 0x03, 0x80, 0x63, 0xE2, 0x00, 0x07, 0xA6,
- 0x34, 0x01, 0x00, 0x33, 0x04, 0x00, 0xC2, 0x88, 0x03, 0x07, 0x02, 0x01,
- 0x04, 0xCA, 0x0D, 0x23, 0x68, 0x98, 0x4D, 0x04, 0x04, 0x85, 0x05, 0xD8,
- 0x0D, 0x23, 0x68, 0x98, 0xCD, 0x04, 0x15, 0x23, 0xF8, 0x88, 0xFB, 0x23,
- 0x02, 0x61, 0x82, 0x01, 0x80, 0x63, 0x02, 0x03, 0x06, 0xA3, 0x62, 0x01,
- 0x00, 0x33, 0x0A, 0x00, 0xC2, 0x88, 0x4E, 0x00, 0x07, 0xA3, 0x6E, 0x01,
- 0x00, 0x33, 0x0B, 0x00, 0xC2, 0x88, 0xCD, 0x04, 0x36, 0x2D, 0x00, 0x33,
- 0x1A, 0x00, 0xC2, 0x88, 0x50, 0x04, 0x88, 0x81, 0x06, 0xAB, 0x82, 0x01,
- 0x88, 0x81, 0x4E, 0x00, 0x07, 0xA3, 0x92, 0x01, 0x50, 0x00, 0x00, 0xA3,
- 0x3C, 0x01, 0x00, 0x05, 0x7C, 0x81, 0x46, 0x97, 0x02, 0x01, 0x05, 0xC6,
- 0x04, 0x23, 0xA0, 0x01, 0x15, 0x23, 0xA1, 0x01, 0xBE, 0x81, 0xFD, 0x23,
- 0x02, 0x61, 0x82, 0x01, 0x0A, 0xDA, 0x4A, 0x00, 0x06, 0x61, 0x00, 0xA0,
- 0xB4, 0x01, 0x80, 0x63, 0xCD, 0x04, 0x36, 0x2D, 0x00, 0x33, 0x1B, 0x00,
- 0xC2, 0x88, 0x06, 0x23, 0x68, 0x98, 0xCD, 0x04, 0xE6, 0x84, 0x06, 0x01,
- 0x00, 0xA2, 0xD4, 0x01, 0x57, 0x60, 0x00, 0xA0, 0xDA, 0x01, 0xE6, 0x84,
- 0x80, 0x23, 0xA0, 0x01, 0xE6, 0x84, 0x80, 0x73, 0x4B, 0x00, 0x06, 0x61,
- 0x00, 0xA2, 0x00, 0x02, 0x04, 0x01, 0x0C, 0xDE, 0x02, 0x01, 0x03, 0xCC,
- 0x4F, 0x00, 0x84, 0x97, 0xFC, 0x81, 0x08, 0x23, 0x02, 0x41, 0x82, 0x01,
- 0x4F, 0x00, 0x62, 0x97, 0x48, 0x04, 0x84, 0x80, 0xF0, 0x97, 0x00, 0x46,
- 0x56, 0x00, 0x03, 0xC0, 0x01, 0x23, 0xE8, 0x00, 0x81, 0x73, 0x06, 0x29,
- 0x03, 0x42, 0x06, 0xE2, 0x03, 0xEE, 0x6B, 0xEB, 0x11, 0x23, 0xF8, 0x88,
- 0x04, 0x98, 0xF0, 0x80, 0x80, 0x73, 0x80, 0x77, 0x07, 0xA4, 0x2A, 0x02,
- 0x7C, 0x95, 0x06, 0xA6, 0x34, 0x02, 0x03, 0xA6, 0x4C, 0x04, 0x46, 0x82,
- 0x04, 0x01, 0x03, 0xD8, 0xB4, 0x98, 0x6A, 0x96, 0x46, 0x82, 0xFE, 0x95,
- 0x80, 0x67, 0x83, 0x03, 0x80, 0x63, 0xB6, 0x2D, 0x02, 0xA6, 0x6C, 0x02,
- 0x07, 0xA6, 0x5A, 0x02, 0x06, 0xA6, 0x5E, 0x02, 0x03, 0xA6, 0x62, 0x02,
- 0xC2, 0x88, 0x7C, 0x95, 0x48, 0x82, 0x60, 0x96, 0x48, 0x82, 0x04, 0x23,
- 0xA0, 0x01, 0x14, 0x23, 0xA1, 0x01, 0x3C, 0x84, 0x04, 0x01, 0x0C, 0xDC,
- 0xE0, 0x23, 0x25, 0x61, 0xEF, 0x00, 0x14, 0x01, 0x4F, 0x04, 0xA8, 0x01,
- 0x6F, 0x00, 0xA5, 0x01, 0x03, 0x23, 0xA4, 0x01, 0x06, 0x23, 0x9C, 0x01,
- 0x24, 0x2B, 0x1C, 0x01, 0x02, 0xA6, 0xAA, 0x02, 0x07, 0xA6, 0x5A, 0x02,
- 0x06, 0xA6, 0x5E, 0x02, 0x03, 0xA6, 0x20, 0x04, 0x01, 0xA6, 0xB4, 0x02,
- 0x00, 0xA6, 0xB4, 0x02, 0x00, 0x33, 0x12, 0x00, 0xC2, 0x88, 0x00, 0x0E,
- 0x80, 0x63, 0x00, 0x43, 0x00, 0xA0, 0x8C, 0x02, 0x4D, 0x04, 0x04, 0x01,
- 0x0B, 0xDC, 0xE7, 0x23, 0x04, 0x61, 0x84, 0x01, 0x10, 0x31, 0x12, 0x35,
- 0x14, 0x01, 0xEC, 0x00, 0x6C, 0x38, 0x00, 0x3F, 0x00, 0x00, 0xEA, 0x82,
- 0x18, 0x23, 0x04, 0x61, 0x18, 0xA0, 0xE2, 0x02, 0x04, 0x01, 0xA2, 0xC8,
- 0x00, 0x33, 0x1F, 0x00, 0xC2, 0x88, 0x08, 0x31, 0x0A, 0x35, 0x0C, 0x39,
- 0x0E, 0x3D, 0x7E, 0x98, 0xB6, 0x2D, 0x01, 0xA6, 0x14, 0x03, 0x00, 0xA6,
- 0x14, 0x03, 0x07, 0xA6, 0x0C, 0x03, 0x06, 0xA6, 0x10, 0x03, 0x03, 0xA6,
- 0x20, 0x04, 0x02, 0xA6, 0x6C, 0x02, 0x00, 0x33, 0x33, 0x00, 0xC2, 0x88,
- 0x7C, 0x95, 0xEE, 0x82, 0x60, 0x96, 0xEE, 0x82, 0x82, 0x98, 0x80, 0x42,
- 0x7E, 0x98, 0x64, 0xE4, 0x04, 0x01, 0x2D, 0xC8, 0x31, 0x05, 0x07, 0x01,
- 0x00, 0xA2, 0x54, 0x03, 0x00, 0x43, 0x87, 0x01, 0x05, 0x05, 0x86, 0x98,
- 0x7E, 0x98, 0x00, 0xA6, 0x16, 0x03, 0x07, 0xA6, 0x4C, 0x03, 0x03, 0xA6,
- 0x3C, 0x04, 0x06, 0xA6, 0x50, 0x03, 0x01, 0xA6, 0x16, 0x03, 0x00, 0x33,
- 0x25, 0x00, 0xC2, 0x88, 0x7C, 0x95, 0x32, 0x83, 0x60, 0x96, 0x32, 0x83,
- 0x04, 0x01, 0x10, 0xCE, 0x07, 0xC8, 0x05, 0x05, 0xEB, 0x04, 0x00, 0x33,
- 0x00, 0x20, 0xC0, 0x20, 0x81, 0x62, 0x72, 0x83, 0x00, 0x01, 0x05, 0x05,
- 0xFF, 0xA2, 0x7A, 0x03, 0xB1, 0x01, 0x08, 0x23, 0xB2, 0x01, 0x2E, 0x83,
- 0x05, 0x05, 0x15, 0x01, 0x00, 0xA2, 0x9A, 0x03, 0xEC, 0x00, 0x6E, 0x00,
- 0x95, 0x01, 0x6C, 0x38, 0x00, 0x3F, 0x00, 0x00, 0x01, 0xA6, 0x96, 0x03,
- 0x00, 0xA6, 0x96, 0x03, 0x10, 0x84, 0x80, 0x42, 0x7E, 0x98, 0x01, 0xA6,
- 0xA4, 0x03, 0x00, 0xA6, 0xBC, 0x03, 0x10, 0x84, 0xA8, 0x98, 0x80, 0x42,
- 0x01, 0xA6, 0xA4, 0x03, 0x07, 0xA6, 0xB2, 0x03, 0xD4, 0x83, 0x7C, 0x95,
- 0xA8, 0x83, 0x00, 0x33, 0x2F, 0x00, 0xC2, 0x88, 0xA8, 0x98, 0x80, 0x42,
- 0x00, 0xA6, 0xBC, 0x03, 0x07, 0xA6, 0xCA, 0x03, 0xD4, 0x83, 0x7C, 0x95,
- 0xC0, 0x83, 0x00, 0x33, 0x26, 0x00, 0xC2, 0x88, 0x38, 0x2B, 0x80, 0x32,
- 0x80, 0x36, 0x04, 0x23, 0xA0, 0x01, 0x12, 0x23, 0xA1, 0x01, 0x10, 0x84,
- 0x07, 0xF0, 0x06, 0xA4, 0xF4, 0x03, 0x80, 0x6B, 0x80, 0x67, 0x05, 0x23,
- 0x83, 0x03, 0x80, 0x63, 0x03, 0xA6, 0x0E, 0x04, 0x07, 0xA6, 0x06, 0x04,
- 0x06, 0xA6, 0x0A, 0x04, 0x00, 0x33, 0x17, 0x00, 0xC2, 0x88, 0x7C, 0x95,
- 0xF4, 0x83, 0x60, 0x96, 0xF4, 0x83, 0x20, 0x84, 0x07, 0xF0, 0x06, 0xA4,
- 0x20, 0x04, 0x80, 0x6B, 0x80, 0x67, 0x05, 0x23, 0x83, 0x03, 0x80, 0x63,
- 0xB6, 0x2D, 0x03, 0xA6, 0x3C, 0x04, 0x07, 0xA6, 0x34, 0x04, 0x06, 0xA6,
- 0x38, 0x04, 0x00, 0x33, 0x30, 0x00, 0xC2, 0x88, 0x7C, 0x95, 0x20, 0x84,
- 0x60, 0x96, 0x20, 0x84, 0x1D, 0x01, 0x06, 0xCC, 0x00, 0x33, 0x00, 0x84,
- 0xC0, 0x20, 0x00, 0x23, 0xEA, 0x00, 0x81, 0x62, 0xA2, 0x0D, 0x80, 0x63,
- 0x07, 0xA6, 0x5A, 0x04, 0x00, 0x33, 0x18, 0x00, 0xC2, 0x88, 0x03, 0x03,
- 0x80, 0x63, 0xA3, 0x01, 0x07, 0xA4, 0x64, 0x04, 0x23, 0x01, 0x00, 0xA2,
- 0x86, 0x04, 0x0A, 0xA0, 0x76, 0x04, 0xE0, 0x00, 0x00, 0x33, 0x1D, 0x00,
- 0xC2, 0x88, 0x0B, 0xA0, 0x82, 0x04, 0xE0, 0x00, 0x00, 0x33, 0x1E, 0x00,
- 0xC2, 0x88, 0x42, 0x23, 0xF8, 0x88, 0x00, 0x23, 0x22, 0xA3, 0xE6, 0x04,
- 0x08, 0x23, 0x22, 0xA3, 0xA2, 0x04, 0x28, 0x23, 0x22, 0xA3, 0xAE, 0x04,
- 0x02, 0x23, 0x22, 0xA3, 0xC4, 0x04, 0x42, 0x23, 0xF8, 0x88, 0x4A, 0x00,
- 0x06, 0x61, 0x00, 0xA0, 0xAE, 0x04, 0x45, 0x23, 0xF8, 0x88, 0x04, 0x98,
- 0x00, 0xA2, 0xC0, 0x04, 0xB4, 0x98, 0x00, 0x33, 0x00, 0x82, 0xC0, 0x20,
- 0x81, 0x62, 0xE8, 0x81, 0x47, 0x23, 0xF8, 0x88, 0x04, 0x01, 0x0B, 0xDE,
- 0x04, 0x98, 0xB4, 0x98, 0x00, 0x33, 0x00, 0x81, 0xC0, 0x20, 0x81, 0x62,
- 0x14, 0x01, 0x00, 0xA0, 0x00, 0x02, 0x43, 0x23, 0xF8, 0x88, 0x04, 0x23,
- 0xA0, 0x01, 0x44, 0x23, 0xA1, 0x01, 0x80, 0x73, 0x4D, 0x00, 0x03, 0xA3,
- 0xF4, 0x04, 0x00, 0x33, 0x27, 0x00, 0xC2, 0x88, 0x04, 0x01, 0x04, 0xDC,
- 0x02, 0x23, 0xA2, 0x01, 0x04, 0x23, 0xA0, 0x01, 0x04, 0x98, 0x26, 0x95,
- 0x4B, 0x00, 0xF6, 0x00, 0x4F, 0x04, 0x4F, 0x00, 0x00, 0xA3, 0x22, 0x05,
- 0x00, 0x05, 0x76, 0x00, 0x06, 0x61, 0x00, 0xA2, 0x1C, 0x05, 0x0A, 0x85,
- 0x46, 0x97, 0xCD, 0x04, 0x24, 0x85, 0x48, 0x04, 0x84, 0x80, 0x02, 0x01,
- 0x03, 0xDA, 0x80, 0x23, 0x82, 0x01, 0x34, 0x85, 0x02, 0x23, 0xA0, 0x01,
- 0x4A, 0x00, 0x06, 0x61, 0x00, 0xA2, 0x40, 0x05, 0x1D, 0x01, 0x04, 0xD6,
- 0xFF, 0x23, 0x86, 0x41, 0x4B, 0x60, 0xCB, 0x00, 0xFF, 0x23, 0x80, 0x01,
- 0x49, 0x00, 0x81, 0x01, 0x04, 0x01, 0x02, 0xC8, 0x30, 0x01, 0x80, 0x01,
- 0xF7, 0x04, 0x03, 0x01, 0x49, 0x04, 0x80, 0x01, 0xC9, 0x00, 0x00, 0x05,
- 0x00, 0x01, 0xFF, 0xA0, 0x60, 0x05, 0x77, 0x04, 0x01, 0x23, 0xEA, 0x00,
- 0x5D, 0x00, 0xFE, 0xC7, 0x00, 0x62, 0x00, 0x23, 0xEA, 0x00, 0x00, 0x63,
- 0x07, 0xA4, 0xF8, 0x05, 0x03, 0x03, 0x02, 0xA0, 0x8E, 0x05, 0xF4, 0x85,
- 0x00, 0x33, 0x2D, 0x00, 0xC2, 0x88, 0x04, 0xA0, 0xB8, 0x05, 0x80, 0x63,
- 0x00, 0x23, 0xDF, 0x00, 0x4A, 0x00, 0x06, 0x61, 0x00, 0xA2, 0xA4, 0x05,
- 0x1D, 0x01, 0x06, 0xD6, 0x02, 0x23, 0x02, 0x41, 0x82, 0x01, 0x50, 0x00,
- 0x62, 0x97, 0x04, 0x85, 0x04, 0x23, 0x02, 0x41, 0x82, 0x01, 0x04, 0x85,
- 0x08, 0xA0, 0xBE, 0x05, 0xF4, 0x85, 0x03, 0xA0, 0xC4, 0x05, 0xF4, 0x85,
- 0x01, 0xA0, 0xCE, 0x05, 0x88, 0x00, 0x80, 0x63, 0xCC, 0x86, 0x07, 0xA0,
- 0xEE, 0x05, 0x5F, 0x00, 0x00, 0x2B, 0xDF, 0x08, 0x00, 0xA2, 0xE6, 0x05,
- 0x80, 0x67, 0x80, 0x63, 0x01, 0xA2, 0x7A, 0x06, 0x7C, 0x85, 0x06, 0x23,
- 0x68, 0x98, 0x48, 0x23, 0xF8, 0x88, 0x07, 0x23, 0x80, 0x00, 0x06, 0x87,
- 0x80, 0x63, 0x7C, 0x85, 0x00, 0x23, 0xDF, 0x00, 0x00, 0x63, 0x4A, 0x00,
- 0x06, 0x61, 0x00, 0xA2, 0x36, 0x06, 0x1D, 0x01, 0x16, 0xD4, 0xC0, 0x23,
- 0x07, 0x41, 0x83, 0x03, 0x80, 0x63, 0x06, 0xA6, 0x1C, 0x06, 0x00, 0x33,
- 0x37, 0x00, 0xC2, 0x88, 0x1D, 0x01, 0x01, 0xD6, 0x20, 0x23, 0x63, 0x60,
- 0x83, 0x03, 0x80, 0x63, 0x02, 0x23, 0xDF, 0x00, 0x07, 0xA6, 0x7C, 0x05,
- 0xEF, 0x04, 0x6F, 0x00, 0x00, 0x63, 0x4B, 0x00, 0x06, 0x41, 0xCB, 0x00,
- 0x52, 0x00, 0x06, 0x61, 0x00, 0xA2, 0x4E, 0x06, 0x1D, 0x01, 0x03, 0xCA,
- 0xC0, 0x23, 0x07, 0x41, 0x00, 0x63, 0x1D, 0x01, 0x04, 0xCC, 0x00, 0x33,
- 0x00, 0x83, 0xC0, 0x20, 0x81, 0x62, 0x80, 0x23, 0x07, 0x41, 0x00, 0x63,
- 0x80, 0x67, 0x08, 0x23, 0x83, 0x03, 0x80, 0x63, 0x00, 0x63, 0x01, 0x23,
- 0xDF, 0x00, 0x06, 0xA6, 0x84, 0x06, 0x07, 0xA6, 0x7C, 0x05, 0x80, 0x67,
- 0x80, 0x63, 0x00, 0x33, 0x00, 0x40, 0xC0, 0x20, 0x81, 0x62, 0x00, 0x63,
- 0x00, 0x00, 0xFE, 0x95, 0x83, 0x03, 0x80, 0x63, 0x06, 0xA6, 0x94, 0x06,
- 0x07, 0xA6, 0x7C, 0x05, 0x00, 0x00, 0x01, 0xA0, 0x14, 0x07, 0x00, 0x2B,
- 0x40, 0x0E, 0x80, 0x63, 0x01, 0x00, 0x06, 0xA6, 0xAA, 0x06, 0x07, 0xA6,
- 0x7C, 0x05, 0x40, 0x0E, 0x80, 0x63, 0x00, 0x43, 0x00, 0xA0, 0xA2, 0x06,
- 0x06, 0xA6, 0xBC, 0x06, 0x07, 0xA6, 0x7C, 0x05, 0x80, 0x67, 0x40, 0x0E,
- 0x80, 0x63, 0x07, 0xA6, 0x7C, 0x05, 0x00, 0x23, 0xDF, 0x00, 0x00, 0x63,
- 0x07, 0xA6, 0xD6, 0x06, 0x00, 0x33, 0x2A, 0x00, 0xC2, 0x88, 0x03, 0x03,
- 0x80, 0x63, 0x89, 0x00, 0x0A, 0x2B, 0x07, 0xA6, 0xE8, 0x06, 0x00, 0x33,
- 0x29, 0x00, 0xC2, 0x88, 0x00, 0x43, 0x00, 0xA2, 0xF4, 0x06, 0xC0, 0x0E,
- 0x80, 0x63, 0xDE, 0x86, 0xC0, 0x0E, 0x00, 0x33, 0x00, 0x80, 0xC0, 0x20,
- 0x81, 0x62, 0x04, 0x01, 0x02, 0xDA, 0x80, 0x63, 0x7C, 0x85, 0x80, 0x7B,
- 0x80, 0x63, 0x06, 0xA6, 0x8C, 0x06, 0x00, 0x33, 0x2C, 0x00, 0xC2, 0x88,
- 0x0C, 0xA2, 0x2E, 0x07, 0xFE, 0x95, 0x83, 0x03, 0x80, 0x63, 0x06, 0xA6,
- 0x2C, 0x07, 0x07, 0xA6, 0x7C, 0x05, 0x00, 0x33, 0x3D, 0x00, 0xC2, 0x88,
- 0x00, 0x00, 0x80, 0x67, 0x83, 0x03, 0x80, 0x63, 0x0C, 0xA0, 0x44, 0x07,
- 0x07, 0xA6, 0x7C, 0x05, 0xBF, 0x23, 0x04, 0x61, 0x84, 0x01, 0xE6, 0x84,
- 0x00, 0x63, 0xF0, 0x04, 0x01, 0x01, 0xF1, 0x00, 0x00, 0x01, 0xF2, 0x00,
- 0x01, 0x05, 0x80, 0x01, 0x72, 0x04, 0x71, 0x00, 0x81, 0x01, 0x70, 0x04,
- 0x80, 0x05, 0x81, 0x05, 0x00, 0x63, 0xF0, 0x04, 0xF2, 0x00, 0x72, 0x04,
- 0x01, 0x01, 0xF1, 0x00, 0x70, 0x00, 0x81, 0x01, 0x70, 0x04, 0x71, 0x00,
- 0x81, 0x01, 0x72, 0x00, 0x80, 0x01, 0x71, 0x04, 0x70, 0x00, 0x80, 0x01,
- 0x70, 0x04, 0x00, 0x63, 0xF0, 0x04, 0xF2, 0x00, 0x72, 0x04, 0x00, 0x01,
- 0xF1, 0x00, 0x70, 0x00, 0x80, 0x01, 0x70, 0x04, 0x71, 0x00, 0x80, 0x01,
- 0x72, 0x00, 0x81, 0x01, 0x71, 0x04, 0x70, 0x00, 0x81, 0x01, 0x70, 0x04,
- 0x00, 0x63, 0x00, 0x23, 0xB3, 0x01, 0x83, 0x05, 0xA3, 0x01, 0xA2, 0x01,
- 0xA1, 0x01, 0x01, 0x23, 0xA0, 0x01, 0x00, 0x01, 0xC8, 0x00, 0x03, 0xA1,
- 0xC4, 0x07, 0x00, 0x33, 0x07, 0x00, 0xC2, 0x88, 0x80, 0x05, 0x81, 0x05,
- 0x04, 0x01, 0x11, 0xC8, 0x48, 0x00, 0xB0, 0x01, 0xB1, 0x01, 0x08, 0x23,
- 0xB2, 0x01, 0x05, 0x01, 0x48, 0x04, 0x00, 0x43, 0x00, 0xA2, 0xE4, 0x07,
- 0x00, 0x05, 0xDA, 0x87, 0x00, 0x01, 0xC8, 0x00, 0xFF, 0x23, 0x80, 0x01,
- 0x05, 0x05, 0x00, 0x63, 0xF7, 0x04, 0x1A, 0x09, 0xF6, 0x08, 0x6E, 0x04,
- 0x00, 0x02, 0x80, 0x43, 0x76, 0x08, 0x80, 0x02, 0x77, 0x04, 0x00, 0x63,
- 0xF7, 0x04, 0x1A, 0x09, 0xF6, 0x08, 0x6E, 0x04, 0x00, 0x02, 0x00, 0xA0,
- 0x14, 0x08, 0x16, 0x88, 0x00, 0x43, 0x76, 0x08, 0x80, 0x02, 0x77, 0x04,
- 0x00, 0x63, 0xF3, 0x04, 0x00, 0x23, 0xF4, 0x00, 0x74, 0x00, 0x80, 0x43,
- 0xF4, 0x00, 0xCF, 0x40, 0x00, 0xA2, 0x44, 0x08, 0x74, 0x04, 0x02, 0x01,
- 0xF7, 0xC9, 0xF6, 0xD9, 0x00, 0x01, 0x01, 0xA1, 0x24, 0x08, 0x04, 0x98,
- 0x26, 0x95, 0x24, 0x88, 0x73, 0x04, 0x00, 0x63, 0xF3, 0x04, 0x75, 0x04,
- 0x5A, 0x88, 0x02, 0x01, 0x04, 0xD8, 0x46, 0x97, 0x04, 0x98, 0x26, 0x95,
- 0x4A, 0x88, 0x75, 0x00, 0x00, 0xA3, 0x64, 0x08, 0x00, 0x05, 0x4E, 0x88,
- 0x73, 0x04, 0x00, 0x63, 0x80, 0x7B, 0x80, 0x63, 0x06, 0xA6, 0x76, 0x08,
- 0x00, 0x33, 0x3E, 0x00, 0xC2, 0x88, 0x80, 0x67, 0x83, 0x03, 0x80, 0x63,
- 0x00, 0x63, 0x38, 0x2B, 0x9C, 0x88, 0x38, 0x2B, 0x92, 0x88, 0x32, 0x09,
- 0x31, 0x05, 0x92, 0x98, 0x05, 0x05, 0xB2, 0x09, 0x00, 0x63, 0x00, 0x32,
- 0x00, 0x36, 0x00, 0x3A, 0x00, 0x3E, 0x00, 0x63, 0x80, 0x32, 0x80, 0x36,
- 0x80, 0x3A, 0x80, 0x3E, 0xB4, 0x3D, 0x00, 0x63, 0x38, 0x2B, 0x40, 0x32,
- 0x40, 0x36, 0x40, 0x3A, 0x40, 0x3E, 0x00, 0x63, 0x5A, 0x20, 0xC9, 0x40,
- 0x00, 0xA0, 0xB4, 0x08, 0x5D, 0x00, 0xFE, 0xC3, 0x00, 0x63, 0x80, 0x73,
- 0xE6, 0x20, 0x02, 0x23, 0xE8, 0x00, 0x82, 0x73, 0xFF, 0xFD, 0x80, 0x73,
- 0x13, 0x23, 0xF8, 0x88, 0x66, 0x20, 0xC0, 0x20, 0x04, 0x23, 0xA0, 0x01,
- 0xA1, 0x23, 0xA1, 0x01, 0x81, 0x62, 0xE2, 0x88, 0x80, 0x73, 0x80, 0x77,
- 0x68, 0x00, 0x00, 0xA2, 0x80, 0x00, 0x03, 0xC2, 0xF1, 0xC7, 0x41, 0x23,
- 0xF8, 0x88, 0x11, 0x23, 0xA1, 0x01, 0x04, 0x23, 0xA0, 0x01, 0xE6, 0x84,
-};
-
-static ushort _asc_mcode_size = sizeof(_asc_mcode_buf);
-static ADV_DCNT _asc_mcode_chksum = 0x012C453FUL;
-
-#define ASC_SYN_OFFSET_ONE_DISABLE_LIST 16
-static uchar _syn_offset_one_disable_cmd[ASC_SYN_OFFSET_ONE_DISABLE_LIST] = {
- INQUIRY,
- REQUEST_SENSE,
- READ_CAPACITY,
- READ_TOC,
- MODE_SELECT,
- MODE_SENSE,
- MODE_SELECT_10,
- MODE_SENSE_10,
- 0xFF,
- 0xFF,
- 0xFF,
- 0xFF,
- 0xFF,
- 0xFF,
- 0xFF,
- 0xFF
-};
-
-static int AscExeScsiQueue(ASC_DVC_VAR *asc_dvc, ASC_SCSI_Q *scsiq)
-{
- PortAddr iop_base;
- int sta;
- int n_q_required;
- int disable_syn_offset_one_fix;
- int i;
- ASC_PADDR addr;
- ushort sg_entry_cnt = 0;
- ushort sg_entry_cnt_minus_one = 0;
- uchar target_ix;
- uchar tid_no;
- uchar sdtr_data;
- uchar extra_bytes;
- uchar scsi_cmd;
- uchar disable_cmd;
- ASC_SG_HEAD *sg_head;
- ASC_DCNT data_cnt;
-
- iop_base = asc_dvc->iop_base;
- sg_head = scsiq->sg_head;
- if (asc_dvc->err_code != 0)
- return (ERR);
- scsiq->q1.q_no = 0;
- if ((scsiq->q2.tag_code & ASC_TAG_FLAG_EXTRA_BYTES) == 0) {
- scsiq->q1.extra_bytes = 0;
- }
- sta = 0;
- target_ix = scsiq->q2.target_ix;
- tid_no = ASC_TIX_TO_TID(target_ix);
- n_q_required = 1;
- if (scsiq->cdbptr[0] == REQUEST_SENSE) {
- if ((asc_dvc->init_sdtr & scsiq->q1.target_id) != 0) {
- asc_dvc->sdtr_done &= ~scsiq->q1.target_id;
- sdtr_data = AscGetMCodeInitSDTRAtID(iop_base, tid_no);
- AscMsgOutSDTR(asc_dvc,
- asc_dvc->
- sdtr_period_tbl[(sdtr_data >> 4) &
- (uchar)(asc_dvc->
- max_sdtr_index -
- 1)],
- (uchar)(sdtr_data & (uchar)
- ASC_SYN_MAX_OFFSET));
- scsiq->q1.cntl |= (QC_MSG_OUT | QC_URGENT);
- }
- }
- if (asc_dvc->in_critical_cnt != 0) {
- AscSetLibErrorCode(asc_dvc, ASCQ_ERR_CRITICAL_RE_ENTRY);
- return (ERR);
- }
- asc_dvc->in_critical_cnt++;
- if ((scsiq->q1.cntl & QC_SG_HEAD) != 0) {
- if ((sg_entry_cnt = sg_head->entry_cnt) == 0) {
- asc_dvc->in_critical_cnt--;
- return (ERR);
- }
-#if !CC_VERY_LONG_SG_LIST
- if (sg_entry_cnt > ASC_MAX_SG_LIST) {
- asc_dvc->in_critical_cnt--;
- return (ERR);
- }
-#endif /* !CC_VERY_LONG_SG_LIST */
- if (sg_entry_cnt == 1) {
- scsiq->q1.data_addr =
- (ADV_PADDR)sg_head->sg_list[0].addr;
- scsiq->q1.data_cnt =
- (ADV_DCNT)sg_head->sg_list[0].bytes;
- scsiq->q1.cntl &= ~(QC_SG_HEAD | QC_SG_SWAP_QUEUE);
- }
- sg_entry_cnt_minus_one = sg_entry_cnt - 1;
- }
- scsi_cmd = scsiq->cdbptr[0];
- disable_syn_offset_one_fix = FALSE;
- if ((asc_dvc->pci_fix_asyn_xfer & scsiq->q1.target_id) &&
- !(asc_dvc->pci_fix_asyn_xfer_always & scsiq->q1.target_id)) {
- if (scsiq->q1.cntl & QC_SG_HEAD) {
- data_cnt = 0;
- for (i = 0; i < sg_entry_cnt; i++) {
- data_cnt +=
- (ADV_DCNT)le32_to_cpu(sg_head->sg_list[i].
- bytes);
- }
- } else {
- data_cnt = le32_to_cpu(scsiq->q1.data_cnt);
- }
- if (data_cnt != 0UL) {
- if (data_cnt < 512UL) {
- disable_syn_offset_one_fix = TRUE;
- } else {
- for (i = 0; i < ASC_SYN_OFFSET_ONE_DISABLE_LIST;
- i++) {
- disable_cmd =
- _syn_offset_one_disable_cmd[i];
- if (disable_cmd == 0xFF) {
- break;
- }
- if (scsi_cmd == disable_cmd) {
- disable_syn_offset_one_fix =
- TRUE;
- break;
- }
- }
- }
- }
- }
- if (disable_syn_offset_one_fix) {
- scsiq->q2.tag_code &= ~MSG_SIMPLE_TAG;
- scsiq->q2.tag_code |= (ASC_TAG_FLAG_DISABLE_ASYN_USE_SYN_FIX |
- ASC_TAG_FLAG_DISABLE_DISCONNECT);
- } else {
- scsiq->q2.tag_code &= 0x27;
- }
- if ((scsiq->q1.cntl & QC_SG_HEAD) != 0) {
- if (asc_dvc->bug_fix_cntl) {
- if (asc_dvc->bug_fix_cntl & ASC_BUG_FIX_IF_NOT_DWB) {
- if ((scsi_cmd == READ_6) ||
- (scsi_cmd == READ_10)) {
- addr =
- (ADV_PADDR)le32_to_cpu(sg_head->
- sg_list
- [sg_entry_cnt_minus_one].
- addr) +
- (ADV_DCNT)le32_to_cpu(sg_head->
- sg_list
- [sg_entry_cnt_minus_one].
- bytes);
- extra_bytes =
- (uchar)((ushort)addr & 0x0003);
- if ((extra_bytes != 0)
- &&
- ((scsiq->q2.
- tag_code &
- ASC_TAG_FLAG_EXTRA_BYTES)
- == 0)) {
- scsiq->q2.tag_code |=
- ASC_TAG_FLAG_EXTRA_BYTES;
- scsiq->q1.extra_bytes =
- extra_bytes;
- data_cnt =
- le32_to_cpu(sg_head->
- sg_list
- [sg_entry_cnt_minus_one].
- bytes);
- data_cnt -=
- (ASC_DCNT) extra_bytes;
- sg_head->
- sg_list
- [sg_entry_cnt_minus_one].
- bytes =
- cpu_to_le32(data_cnt);
- }
- }
- }
- }
- sg_head->entry_to_copy = sg_head->entry_cnt;
-#if CC_VERY_LONG_SG_LIST
- /*
- * Set the sg_entry_cnt to the maximum possible. The rest of
- * the SG elements will be copied when the RISC completes the
- * SG elements that fit and halts.
- */
- if (sg_entry_cnt > ASC_MAX_SG_LIST) {
- sg_entry_cnt = ASC_MAX_SG_LIST;
- }
-#endif /* CC_VERY_LONG_SG_LIST */
- n_q_required = AscSgListToQueue(sg_entry_cnt);
- if ((AscGetNumOfFreeQueue(asc_dvc, target_ix, n_q_required) >=
- (uint) n_q_required)
- || ((scsiq->q1.cntl & QC_URGENT) != 0)) {
- if ((sta =
- AscSendScsiQueue(asc_dvc, scsiq,
- n_q_required)) == 1) {
- asc_dvc->in_critical_cnt--;
- return (sta);
- }
- }
- } else {
- if (asc_dvc->bug_fix_cntl) {
- if (asc_dvc->bug_fix_cntl & ASC_BUG_FIX_IF_NOT_DWB) {
- if ((scsi_cmd == READ_6) ||
- (scsi_cmd == READ_10)) {
- addr =
- le32_to_cpu(scsiq->q1.data_addr) +
- le32_to_cpu(scsiq->q1.data_cnt);
- extra_bytes =
- (uchar)((ushort)addr & 0x0003);
- if ((extra_bytes != 0)
- &&
- ((scsiq->q2.
- tag_code &
- ASC_TAG_FLAG_EXTRA_BYTES)
- == 0)) {
- data_cnt =
- le32_to_cpu(scsiq->q1.
- data_cnt);
- if (((ushort)data_cnt & 0x01FF)
- == 0) {
- scsiq->q2.tag_code |=
- ASC_TAG_FLAG_EXTRA_BYTES;
- data_cnt -= (ASC_DCNT)
- extra_bytes;
- scsiq->q1.data_cnt =
- cpu_to_le32
- (data_cnt);
- scsiq->q1.extra_bytes =
- extra_bytes;
- }
- }
- }
- }
- }
- n_q_required = 1;
- if ((AscGetNumOfFreeQueue(asc_dvc, target_ix, 1) >= 1) ||
- ((scsiq->q1.cntl & QC_URGENT) != 0)) {
- if ((sta = AscSendScsiQueue(asc_dvc, scsiq,
- n_q_required)) == 1) {
- asc_dvc->in_critical_cnt--;
- return (sta);
- }
- }
- }
- asc_dvc->in_critical_cnt--;
- return (sta);
-}
-
-static int
-AscSendScsiQueue(ASC_DVC_VAR *asc_dvc, ASC_SCSI_Q *scsiq, uchar n_q_required)
-{
- PortAddr iop_base;
- uchar free_q_head;
- uchar next_qp;
- uchar tid_no;
- uchar target_ix;
- int sta;
-
- iop_base = asc_dvc->iop_base;
- target_ix = scsiq->q2.target_ix;
- tid_no = ASC_TIX_TO_TID(target_ix);
- sta = 0;
- free_q_head = (uchar)AscGetVarFreeQHead(iop_base);
- if (n_q_required > 1) {
- next_qp = AscAllocMultipleFreeQueue(iop_base, free_q_head,
- (uchar)n_q_required);
- if (next_qp != ASC_QLINK_END) {
- asc_dvc->last_q_shortage = 0;
- scsiq->sg_head->queue_cnt = n_q_required - 1;
- scsiq->q1.q_no = free_q_head;
- sta = AscPutReadySgListQueue(asc_dvc, scsiq,
- free_q_head);
- }
- } else if (n_q_required == 1) {
- next_qp = AscAllocFreeQueue(iop_base, free_q_head);
- if (next_qp != ASC_QLINK_END) {
- scsiq->q1.q_no = free_q_head;
- sta = AscPutReadyQueue(asc_dvc, scsiq, free_q_head);
- }
- }
- if (sta == 1) {
- AscPutVarFreeQHead(iop_base, next_qp);
- asc_dvc->cur_total_qng += (uchar)(n_q_required);
- asc_dvc->cur_dvc_qng[tid_no]++;
- }
- return sta;
-}
-
-static int AscSgListToQueue(int sg_list)
-{
- int n_sg_list_qs;
-
- n_sg_list_qs = ((sg_list - 1) / ASC_SG_LIST_PER_Q);
- if (((sg_list - 1) % ASC_SG_LIST_PER_Q) != 0)
- n_sg_list_qs++;
- return (n_sg_list_qs + 1);
-}
-
-static uint
-AscGetNumOfFreeQueue(ASC_DVC_VAR *asc_dvc, uchar target_ix, uchar n_qs)
-{
- uint cur_used_qs;
- uint cur_free_qs;
- ASC_SCSI_BIT_ID_TYPE target_id;
- uchar tid_no;
-
- target_id = ASC_TIX_TO_TARGET_ID(target_ix);
- tid_no = ASC_TIX_TO_TID(target_ix);
- if ((asc_dvc->unit_not_ready & target_id) ||
- (asc_dvc->queue_full_or_busy & target_id)) {
- return (0);
- }
- if (n_qs == 1) {
- cur_used_qs = (uint) asc_dvc->cur_total_qng +
- (uint) asc_dvc->last_q_shortage + (uint) ASC_MIN_FREE_Q;
- } else {
- cur_used_qs = (uint) asc_dvc->cur_total_qng +
- (uint) ASC_MIN_FREE_Q;
- }
- if ((uint) (cur_used_qs + n_qs) <= (uint) asc_dvc->max_total_qng) {
- cur_free_qs = (uint) asc_dvc->max_total_qng - cur_used_qs;
- if (asc_dvc->cur_dvc_qng[tid_no] >=
- asc_dvc->max_dvc_qng[tid_no]) {
- return (0);
- }
- return (cur_free_qs);
- }
- if (n_qs > 1) {
- if ((n_qs > asc_dvc->last_q_shortage)
- && (n_qs <= (asc_dvc->max_total_qng - ASC_MIN_FREE_Q))) {
- asc_dvc->last_q_shortage = n_qs;
- }
- }
- return (0);
-}
-
-static int AscPutReadyQueue(ASC_DVC_VAR *asc_dvc, ASC_SCSI_Q *scsiq, uchar q_no)
-{
- ushort q_addr;
- uchar tid_no;
- uchar sdtr_data;
- uchar syn_period_ix;
- uchar syn_offset;
- PortAddr iop_base;
-
- iop_base = asc_dvc->iop_base;
- if (((asc_dvc->init_sdtr & scsiq->q1.target_id) != 0) &&
- ((asc_dvc->sdtr_done & scsiq->q1.target_id) == 0)) {
- tid_no = ASC_TIX_TO_TID(scsiq->q2.target_ix);
- sdtr_data = AscGetMCodeInitSDTRAtID(iop_base, tid_no);
- syn_period_ix =
- (sdtr_data >> 4) & (asc_dvc->max_sdtr_index - 1);
- syn_offset = sdtr_data & ASC_SYN_MAX_OFFSET;
- AscMsgOutSDTR(asc_dvc,
- asc_dvc->sdtr_period_tbl[syn_period_ix],
- syn_offset);
- scsiq->q1.cntl |= QC_MSG_OUT;
- }
- q_addr = ASC_QNO_TO_QADDR(q_no);
- if ((scsiq->q1.target_id & asc_dvc->use_tagged_qng) == 0) {
- scsiq->q2.tag_code &= ~MSG_SIMPLE_TAG;
- }
- scsiq->q1.status = QS_FREE;
- AscMemWordCopyPtrToLram(iop_base,
- q_addr + ASC_SCSIQ_CDB_BEG,
- (uchar *)scsiq->cdbptr, scsiq->q2.cdb_len >> 1);
-
- DvcPutScsiQ(iop_base,
- q_addr + ASC_SCSIQ_CPY_BEG,
- (uchar *)&scsiq->q1.cntl,
- ((sizeof(ASC_SCSIQ_1) + sizeof(ASC_SCSIQ_2)) / 2) - 1);
- AscWriteLramWord(iop_base,
- (ushort)(q_addr + (ushort)ASC_SCSIQ_B_STATUS),
- (ushort)(((ushort)scsiq->q1.
- q_no << 8) | (ushort)QS_READY));
- return (1);
-}
-
-static int
-AscPutReadySgListQueue(ASC_DVC_VAR *asc_dvc, ASC_SCSI_Q *scsiq, uchar q_no)
-{
- int sta;
- int i;
- ASC_SG_HEAD *sg_head;
- ASC_SG_LIST_Q scsi_sg_q;
- ASC_DCNT saved_data_addr;
- ASC_DCNT saved_data_cnt;
- PortAddr iop_base;
- ushort sg_list_dwords;
- ushort sg_index;
- ushort sg_entry_cnt;
- ushort q_addr;
- uchar next_qp;
-
- iop_base = asc_dvc->iop_base;
- sg_head = scsiq->sg_head;
- saved_data_addr = scsiq->q1.data_addr;
- saved_data_cnt = scsiq->q1.data_cnt;
- scsiq->q1.data_addr = (ASC_PADDR) sg_head->sg_list[0].addr;
- scsiq->q1.data_cnt = (ASC_DCNT) sg_head->sg_list[0].bytes;
-#if CC_VERY_LONG_SG_LIST
- /*
- * If sg_head->entry_cnt is greater than ASC_MAX_SG_LIST
- * then not all SG elements will fit in the allocated queues.
- * The rest of the SG elements will be copied when the RISC
- * completes the SG elements that fit and halts.
- */
- if (sg_head->entry_cnt > ASC_MAX_SG_LIST) {
- /*
- * Set sg_entry_cnt to be the number of SG elements that
- * will fit in the allocated SG queues. It is minus 1, because
- * the first SG element is handled above. ASC_MAX_SG_LIST is
- * already inflated by 1 to account for this. For example it
- * may be 50 which is 1 + 7 queues * 7 SG elements.
- */
- sg_entry_cnt = ASC_MAX_SG_LIST - 1;
-
- /*
- * Keep track of remaining number of SG elements that will
- * need to be handled from a_isr.c.
- */
- scsiq->remain_sg_entry_cnt =
- sg_head->entry_cnt - ASC_MAX_SG_LIST;
- } else {
-#endif /* CC_VERY_LONG_SG_LIST */
- /*
- * Set sg_entry_cnt to be the number of SG elements that
- * will fit in the allocated SG queues. It is minus 1, because
- * the first SG element is handled above.
- */
- sg_entry_cnt = sg_head->entry_cnt - 1;
-#if CC_VERY_LONG_SG_LIST
- }
-#endif /* CC_VERY_LONG_SG_LIST */
- if (sg_entry_cnt != 0) {
- scsiq->q1.cntl |= QC_SG_HEAD;
- q_addr = ASC_QNO_TO_QADDR(q_no);
- sg_index = 1;
- scsiq->q1.sg_queue_cnt = sg_head->queue_cnt;
- scsi_sg_q.sg_head_qp = q_no;
- scsi_sg_q.cntl = QCSG_SG_XFER_LIST;
- for (i = 0; i < sg_head->queue_cnt; i++) {
- scsi_sg_q.seq_no = i + 1;
- if (sg_entry_cnt > ASC_SG_LIST_PER_Q) {
- sg_list_dwords = (uchar)(ASC_SG_LIST_PER_Q * 2);
- sg_entry_cnt -= ASC_SG_LIST_PER_Q;
- if (i == 0) {
- scsi_sg_q.sg_list_cnt =
- ASC_SG_LIST_PER_Q;
- scsi_sg_q.sg_cur_list_cnt =
- ASC_SG_LIST_PER_Q;
- } else {
- scsi_sg_q.sg_list_cnt =
- ASC_SG_LIST_PER_Q - 1;
- scsi_sg_q.sg_cur_list_cnt =
- ASC_SG_LIST_PER_Q - 1;
- }
- } else {
-#if CC_VERY_LONG_SG_LIST
- /*
- * This is the last SG queue in the list of
- * allocated SG queues. If there are more
- * SG elements than will fit in the allocated
- * queues, then set the QCSG_SG_XFER_MORE flag.
- */
- if (sg_head->entry_cnt > ASC_MAX_SG_LIST) {
- scsi_sg_q.cntl |= QCSG_SG_XFER_MORE;
- } else {
-#endif /* CC_VERY_LONG_SG_LIST */
- scsi_sg_q.cntl |= QCSG_SG_XFER_END;
-#if CC_VERY_LONG_SG_LIST
- }
-#endif /* CC_VERY_LONG_SG_LIST */
- sg_list_dwords = sg_entry_cnt << 1;
- if (i == 0) {
- scsi_sg_q.sg_list_cnt = sg_entry_cnt;
- scsi_sg_q.sg_cur_list_cnt =
- sg_entry_cnt;
- } else {
- scsi_sg_q.sg_list_cnt =
- sg_entry_cnt - 1;
- scsi_sg_q.sg_cur_list_cnt =
- sg_entry_cnt - 1;
- }
- sg_entry_cnt = 0;
- }
- next_qp = AscReadLramByte(iop_base,
- (ushort)(q_addr +
- ASC_SCSIQ_B_FWD));
- scsi_sg_q.q_no = next_qp;
- q_addr = ASC_QNO_TO_QADDR(next_qp);
- AscMemWordCopyPtrToLram(iop_base,
- q_addr + ASC_SCSIQ_SGHD_CPY_BEG,
- (uchar *)&scsi_sg_q,
- sizeof(ASC_SG_LIST_Q) >> 1);
- AscMemDWordCopyPtrToLram(iop_base,
- q_addr + ASC_SGQ_LIST_BEG,
- (uchar *)&sg_head->
- sg_list[sg_index],
- sg_list_dwords);
- sg_index += ASC_SG_LIST_PER_Q;
- scsiq->next_sg_index = sg_index;
- }
- } else {
- scsiq->q1.cntl &= ~QC_SG_HEAD;
- }
- sta = AscPutReadyQueue(asc_dvc, scsiq, q_no);
- scsiq->q1.data_addr = saved_data_addr;
- scsiq->q1.data_cnt = saved_data_cnt;
- return (sta);
-}
-
-static int
-AscSetRunChipSynRegAtID(PortAddr iop_base, uchar tid_no, uchar sdtr_data)
-{
- int sta = FALSE;
-
- if (AscHostReqRiscHalt(iop_base)) {
- sta = AscSetChipSynRegAtID(iop_base, tid_no, sdtr_data);
- AscStartChip(iop_base);
- return (sta);
- }
- return (sta);
-}
-
-static int AscSetChipSynRegAtID(PortAddr iop_base, uchar id, uchar sdtr_data)
-{
- ASC_SCSI_BIT_ID_TYPE org_id;
- int i;
- int sta = TRUE;
-
- AscSetBank(iop_base, 1);
- org_id = AscReadChipDvcID(iop_base);
- for (i = 0; i <= ASC_MAX_TID; i++) {
- if (org_id == (0x01 << i))
- break;
- }
- org_id = (ASC_SCSI_BIT_ID_TYPE) i;
- AscWriteChipDvcID(iop_base, id);
- if (AscReadChipDvcID(iop_base) == (0x01 << id)) {
- AscSetBank(iop_base, 0);
- AscSetChipSyn(iop_base, sdtr_data);
- if (AscGetChipSyn(iop_base) != sdtr_data) {
- sta = FALSE;
- }
- } else {
- sta = FALSE;
- }
- AscSetBank(iop_base, 1);
- AscWriteChipDvcID(iop_base, org_id);
- AscSetBank(iop_base, 0);
- return (sta);
-}
-
-static ushort AscInitLram(ASC_DVC_VAR *asc_dvc)
-{
- uchar i;
- ushort s_addr;
- PortAddr iop_base;
- ushort warn_code;
-
- iop_base = asc_dvc->iop_base;
- warn_code = 0;
- AscMemWordSetLram(iop_base, ASC_QADR_BEG, 0,
- (ushort)(((int)(asc_dvc->max_total_qng + 2 + 1) *
- 64) >> 1)
- );
- i = ASC_MIN_ACTIVE_QNO;
- s_addr = ASC_QADR_BEG + ASC_QBLK_SIZE;
- AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_FWD),
- (uchar)(i + 1));
- AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_BWD),
- (uchar)(asc_dvc->max_total_qng));
- AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_QNO),
- (uchar)i);
- i++;
- s_addr += ASC_QBLK_SIZE;
- for (; i < asc_dvc->max_total_qng; i++, s_addr += ASC_QBLK_SIZE) {
- AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_FWD),
- (uchar)(i + 1));
- AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_BWD),
- (uchar)(i - 1));
- AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_QNO),
- (uchar)i);
- }
- AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_FWD),
- (uchar)ASC_QLINK_END);
- AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_BWD),
- (uchar)(asc_dvc->max_total_qng - 1));
- AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_QNO),
- (uchar)asc_dvc->max_total_qng);
- i++;
- s_addr += ASC_QBLK_SIZE;
- for (; i <= (uchar)(asc_dvc->max_total_qng + 3);
- i++, s_addr += ASC_QBLK_SIZE) {
- AscWriteLramByte(iop_base,
- (ushort)(s_addr + (ushort)ASC_SCSIQ_B_FWD), i);
- AscWriteLramByte(iop_base,
- (ushort)(s_addr + (ushort)ASC_SCSIQ_B_BWD), i);
- AscWriteLramByte(iop_base,
- (ushort)(s_addr + (ushort)ASC_SCSIQ_B_QNO), i);
- }
- return (warn_code);
-}
-
-static void AscInitQLinkVar(ASC_DVC_VAR *asc_dvc)
-{
- PortAddr iop_base;
- int i;
- ushort lram_addr;
-
- iop_base = asc_dvc->iop_base;
- AscPutRiscVarFreeQHead(iop_base, 1);
- AscPutRiscVarDoneQTail(iop_base, asc_dvc->max_total_qng);
- AscPutVarFreeQHead(iop_base, 1);
- AscPutVarDoneQTail(iop_base, asc_dvc->max_total_qng);
- AscWriteLramByte(iop_base, ASCV_BUSY_QHEAD_B,
- (uchar)((int)asc_dvc->max_total_qng + 1));
- AscWriteLramByte(iop_base, ASCV_DISC1_QHEAD_B,
- (uchar)((int)asc_dvc->max_total_qng + 2));
- AscWriteLramByte(iop_base, (ushort)ASCV_TOTAL_READY_Q_B,
- asc_dvc->max_total_qng);
- AscWriteLramWord(iop_base, ASCV_ASCDVC_ERR_CODE_W, 0);
- AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
- AscWriteLramByte(iop_base, ASCV_STOP_CODE_B, 0);
- AscWriteLramByte(iop_base, ASCV_SCSIBUSY_B, 0);
- AscWriteLramByte(iop_base, ASCV_WTM_FLAG_B, 0);
- AscPutQDoneInProgress(iop_base, 0);
- lram_addr = ASC_QADR_BEG;
- for (i = 0; i < 32; i++, lram_addr += 2) {
- AscWriteLramWord(iop_base, lram_addr, 0);
- }
-}
-
-static int AscSetLibErrorCode(ASC_DVC_VAR *asc_dvc, ushort err_code)
-{
- if (asc_dvc->err_code == 0) {
- asc_dvc->err_code = err_code;
- AscWriteLramWord(asc_dvc->iop_base, ASCV_ASCDVC_ERR_CODE_W,
- err_code);
- }
- return (err_code);
-}
-
-static uchar
-AscMsgOutSDTR(ASC_DVC_VAR *asc_dvc, uchar sdtr_period, uchar sdtr_offset)
-{
- EXT_MSG sdtr_buf;
- uchar sdtr_period_index;
- PortAddr iop_base;
-
- iop_base = asc_dvc->iop_base;
- sdtr_buf.msg_type = EXTENDED_MESSAGE;
- sdtr_buf.msg_len = MS_SDTR_LEN;
- sdtr_buf.msg_req = EXTENDED_SDTR;
- sdtr_buf.xfer_period = sdtr_period;
- sdtr_offset &= ASC_SYN_MAX_OFFSET;
- sdtr_buf.req_ack_offset = sdtr_offset;
- if ((sdtr_period_index =
- AscGetSynPeriodIndex(asc_dvc, sdtr_period)) <=
- asc_dvc->max_sdtr_index) {
- AscMemWordCopyPtrToLram(iop_base,
- ASCV_MSGOUT_BEG,
- (uchar *)&sdtr_buf,
- sizeof(EXT_MSG) >> 1);
- return ((sdtr_period_index << 4) | sdtr_offset);
- } else {
-
- sdtr_buf.req_ack_offset = 0;
- AscMemWordCopyPtrToLram(iop_base,
- ASCV_MSGOUT_BEG,
- (uchar *)&sdtr_buf,
- sizeof(EXT_MSG) >> 1);
- return (0);
- }
-}
-
-static uchar
-AscCalSDTRData(ASC_DVC_VAR *asc_dvc, uchar sdtr_period, uchar syn_offset)
-{
- uchar byte;
- uchar sdtr_period_ix;
-
- sdtr_period_ix = AscGetSynPeriodIndex(asc_dvc, sdtr_period);
- if ((sdtr_period_ix > asc_dvc->max_sdtr_index)
- ) {
- return (0xFF);
- }
- byte = (sdtr_period_ix << 4) | (syn_offset & ASC_SYN_MAX_OFFSET);
- return (byte);
-}
-
-static void AscSetChipSDTR(PortAddr iop_base, uchar sdtr_data, uchar tid_no)
-{
- AscSetChipSynRegAtID(iop_base, tid_no, sdtr_data);
- AscPutMCodeSDTRDoneAtID(iop_base, tid_no, sdtr_data);
- return;
-}
-
-static uchar AscGetSynPeriodIndex(ASC_DVC_VAR *asc_dvc, uchar syn_time)
-{
- uchar *period_table;
- int max_index;
- int min_index;
- int i;
-
- period_table = asc_dvc->sdtr_period_tbl;
- max_index = (int)asc_dvc->max_sdtr_index;
- min_index = (int)asc_dvc->host_init_sdtr_index;
- if ((syn_time <= period_table[max_index])) {
- for (i = min_index; i < (max_index - 1); i++) {
- if (syn_time <= period_table[i]) {
- return ((uchar)i);
- }
- }
- return ((uchar)max_index);
- } else {
- return ((uchar)(max_index + 1));
- }
-}
-
-static uchar AscAllocFreeQueue(PortAddr iop_base, uchar free_q_head)
-{
- ushort q_addr;
- uchar next_qp;
- uchar q_status;
-
- q_addr = ASC_QNO_TO_QADDR(free_q_head);
- q_status = (uchar)AscReadLramByte(iop_base,
- (ushort)(q_addr +
- ASC_SCSIQ_B_STATUS));
- next_qp = AscReadLramByte(iop_base, (ushort)(q_addr + ASC_SCSIQ_B_FWD));
- if (((q_status & QS_READY) == 0) && (next_qp != ASC_QLINK_END)) {
- return (next_qp);
- }
- return (ASC_QLINK_END);
-}
-
-static uchar
-AscAllocMultipleFreeQueue(PortAddr iop_base, uchar free_q_head, uchar n_free_q)
-{
- uchar i;
-
- for (i = 0; i < n_free_q; i++) {
- if ((free_q_head = AscAllocFreeQueue(iop_base, free_q_head))
- == ASC_QLINK_END) {
- return (ASC_QLINK_END);
- }
- }
- return (free_q_head);
-}
-
-static int AscHostReqRiscHalt(PortAddr iop_base)
-{
- int count = 0;
- int sta = 0;
- uchar saved_stop_code;
-
- if (AscIsChipHalted(iop_base))
- return (1);
- saved_stop_code = AscReadLramByte(iop_base, ASCV_STOP_CODE_B);
- AscWriteLramByte(iop_base, ASCV_STOP_CODE_B,
- ASC_STOP_HOST_REQ_RISC_HALT | ASC_STOP_REQ_RISC_STOP);
- do {
- if (AscIsChipHalted(iop_base)) {
- sta = 1;
- break;
- }
- mdelay(100);
- } while (count++ < 20);
- AscWriteLramByte(iop_base, ASCV_STOP_CODE_B, saved_stop_code);
- return (sta);
-}
-
-static int AscStopQueueExe(PortAddr iop_base)
-{
- int count = 0;
-
- if (AscReadLramByte(iop_base, ASCV_STOP_CODE_B) == 0) {
- AscWriteLramByte(iop_base, ASCV_STOP_CODE_B,
- ASC_STOP_REQ_RISC_STOP);
- do {
- if (AscReadLramByte(iop_base, ASCV_STOP_CODE_B) &
- ASC_STOP_ACK_RISC_STOP) {
- return (1);
- }
- mdelay(100);
- } while (count++ < 20);
- }
- return (0);
-}
-
-static int AscStartChip(PortAddr iop_base)
-{
- AscSetChipControl(iop_base, 0);
- if ((AscGetChipStatus(iop_base) & CSW_HALTED) != 0) {
- return (0);
- }
- return (1);
-}
-
-static int AscStopChip(PortAddr iop_base)
-{
- uchar cc_val;
-
- cc_val =
- AscGetChipControl(iop_base) &
- (~(CC_SINGLE_STEP | CC_TEST | CC_DIAG));
- AscSetChipControl(iop_base, (uchar)(cc_val | CC_HALT));
- AscSetChipIH(iop_base, INS_HALT);
- AscSetChipIH(iop_base, INS_RFLAG_WTM);
- if ((AscGetChipStatus(iop_base) & CSW_HALTED) == 0) {
- return (0);
- }
- return (1);
-}
-
-static int AscIsChipHalted(PortAddr iop_base)
-{
- if ((AscGetChipStatus(iop_base) & CSW_HALTED) != 0) {
- if ((AscGetChipControl(iop_base) & CC_HALT) != 0) {
- return (1);
- }
- }
- return (0);
-}
-
-static void AscSetChipIH(PortAddr iop_base, ushort ins_code)
-{
- AscSetBank(iop_base, 1);
- AscWriteChipIH(iop_base, ins_code);
- AscSetBank(iop_base, 0);
- return;
-}
-
-static void AscAckInterrupt(PortAddr iop_base)
-{
- uchar host_flag;
- uchar risc_flag;
- ushort loop;
-
- loop = 0;
- do {
- risc_flag = AscReadLramByte(iop_base, ASCV_RISC_FLAG_B);
- if (loop++ > 0x7FFF) {
- break;
- }
- } while ((risc_flag & ASC_RISC_FLAG_GEN_INT) != 0);
- host_flag =
- AscReadLramByte(iop_base,
- ASCV_HOST_FLAG_B) & (~ASC_HOST_FLAG_ACK_INT);
- AscWriteLramByte(iop_base, ASCV_HOST_FLAG_B,
- (uchar)(host_flag | ASC_HOST_FLAG_ACK_INT));
- AscSetChipStatus(iop_base, CIW_INT_ACK);
- loop = 0;
- while (AscGetChipStatus(iop_base) & CSW_INT_PENDING) {
- AscSetChipStatus(iop_base, CIW_INT_ACK);
- if (loop++ > 3) {
- break;
- }
- }
- AscWriteLramByte(iop_base, ASCV_HOST_FLAG_B, host_flag);
- return;
-}
-
-static void AscDisableInterrupt(PortAddr iop_base)
-{
- ushort cfg;
-
- cfg = AscGetChipCfgLsw(iop_base);
- AscSetChipCfgLsw(iop_base, cfg & (~ASC_CFG0_HOST_INT_ON));
- return;
-}
-
-static void AscEnableInterrupt(PortAddr iop_base)
-{
- ushort cfg;
-
- cfg = AscGetChipCfgLsw(iop_base);
- AscSetChipCfgLsw(iop_base, cfg | ASC_CFG0_HOST_INT_ON);
- return;
-}
-
-static void AscSetBank(PortAddr iop_base, uchar bank)
-{
- uchar val;
-
- val = AscGetChipControl(iop_base) &
- (~
- (CC_SINGLE_STEP | CC_TEST | CC_DIAG | CC_SCSI_RESET |
- CC_CHIP_RESET));
- if (bank == 1) {
- val |= CC_BANK_ONE;
- } else if (bank == 2) {
- val |= CC_DIAG | CC_BANK_ONE;
- } else {
- val &= ~CC_BANK_ONE;
- }
- AscSetChipControl(iop_base, val);
- return;
-}
-
-static int AscResetChipAndScsiBus(ASC_DVC_VAR *asc_dvc)
-{
- PortAddr iop_base;
- int i = 10;
-
- iop_base = asc_dvc->iop_base;
- while ((AscGetChipStatus(iop_base) & CSW_SCSI_RESET_ACTIVE)
- && (i-- > 0)) {
- mdelay(100);
- }
- AscStopChip(iop_base);
- AscSetChipControl(iop_base, CC_CHIP_RESET | CC_SCSI_RESET | CC_HALT);
- udelay(60);
- AscSetChipIH(iop_base, INS_RFLAG_WTM);
- AscSetChipIH(iop_base, INS_HALT);
- AscSetChipControl(iop_base, CC_CHIP_RESET | CC_HALT);
- AscSetChipControl(iop_base, CC_HALT);
- mdelay(200);
- AscSetChipStatus(iop_base, CIW_CLR_SCSI_RESET_INT);
- AscSetChipStatus(iop_base, 0);
- return (AscIsChipHalted(iop_base));
-}
-
-static ASC_DCNT __devinit AscGetMaxDmaCount(ushort bus_type)
-{
- if (bus_type & ASC_IS_ISA)
- return ASC_MAX_ISA_DMA_COUNT;
- else if (bus_type & (ASC_IS_EISA | ASC_IS_VL))
- return ASC_MAX_VL_DMA_COUNT;
- return ASC_MAX_PCI_DMA_COUNT;
-}
-
-#ifdef CONFIG_ISA
-static ushort __devinit AscGetIsaDmaChannel(PortAddr iop_base)
-{
- ushort channel;
-
- channel = AscGetChipCfgLsw(iop_base) & 0x0003;
- if (channel == 0x03)
- return (0);
- else if (channel == 0x00)
- return (7);
- return (channel + 4);
-}
-
-static ushort __devinit AscSetIsaDmaChannel(PortAddr iop_base, ushort dma_channel)
-{
- ushort cfg_lsw;
- uchar value;
-
- if ((dma_channel >= 5) && (dma_channel <= 7)) {
- if (dma_channel == 7)
- value = 0x00;
- else
- value = dma_channel - 4;
- cfg_lsw = AscGetChipCfgLsw(iop_base) & 0xFFFC;
- cfg_lsw |= value;
- AscSetChipCfgLsw(iop_base, cfg_lsw);
- return (AscGetIsaDmaChannel(iop_base));
- }
- return (0);
-}
-
-static uchar __devinit AscSetIsaDmaSpeed(PortAddr iop_base, uchar speed_value)
-{
- speed_value &= 0x07;
- AscSetBank(iop_base, 1);
- AscWriteChipDmaSpeed(iop_base, speed_value);
- AscSetBank(iop_base, 0);
- return (AscGetIsaDmaSpeed(iop_base));
-}
-
-static uchar __devinit AscGetIsaDmaSpeed(PortAddr iop_base)
-{
- uchar speed_value;
-
- AscSetBank(iop_base, 1);
- speed_value = AscReadChipDmaSpeed(iop_base);
- speed_value &= 0x07;
- AscSetBank(iop_base, 0);
- return (speed_value);
-}
-#endif /* CONFIG_ISA */
-
-static int __devinit AscInitGetConfig(asc_board_t *boardp)
-{
- ASC_DVC_VAR *asc_dvc = &boardp->dvc_var.asc_dvc_var;
- unsigned short warn_code = 0;
-
- asc_dvc->init_state = ASC_INIT_STATE_BEG_GET_CFG;
- if (asc_dvc->err_code != 0)
- return asc_dvc->err_code;
-
- if (AscFindSignature(asc_dvc->iop_base)) {
- warn_code |= AscInitAscDvcVar(asc_dvc);
- warn_code |= AscInitFromEEP(asc_dvc);
- asc_dvc->init_state |= ASC_INIT_STATE_END_GET_CFG;
- if (asc_dvc->scsi_reset_wait > ASC_MAX_SCSI_RESET_WAIT)
- asc_dvc->scsi_reset_wait = ASC_MAX_SCSI_RESET_WAIT;
- } else {
- asc_dvc->err_code = ASC_IERR_BAD_SIGNATURE;
- }
-
- switch (warn_code) {
- case 0: /* No error */
- break;
- case ASC_WARN_IO_PORT_ROTATE:
- ASC_PRINT1("AscInitGetConfig: board %d: I/O port address "
- "modified\n", boardp->id);
- break;
- case ASC_WARN_AUTO_CONFIG:
- ASC_PRINT1("AscInitGetConfig: board %d: I/O port increment "
- "switch enabled\n", boardp->id);
- break;
- case ASC_WARN_EEPROM_CHKSUM:
- ASC_PRINT1("AscInitGetConfig: board %d: EEPROM checksum "
- "error\n", boardp->id);
- break;
- case ASC_WARN_IRQ_MODIFIED:
- ASC_PRINT1("AscInitGetConfig: board %d: IRQ modified\n",
- boardp->id);
- break;
- case ASC_WARN_CMD_QNG_CONFLICT:
- ASC_PRINT1("AscInitGetConfig: board %d: tag queuing enabled "
- "w/o disconnects\n", boardp->id);
- break;
- default:
- ASC_PRINT2("AscInitGetConfig: board %d: unknown warning: "
- "0x%x\n", boardp->id, warn_code);
- break;
- }
-
- if (asc_dvc->err_code != 0) {
- ASC_PRINT3("AscInitGetConfig: board %d error: init_state 0x%x, "
- "err_code 0x%x\n", boardp->id, asc_dvc->init_state,
- asc_dvc->err_code);
- }
-
- return asc_dvc->err_code;
-}
-
-static int __devinit AscInitSetConfig(struct pci_dev *pdev, asc_board_t *boardp)
-{
- ASC_DVC_VAR *asc_dvc = &boardp->dvc_var.asc_dvc_var;
- PortAddr iop_base = asc_dvc->iop_base;
- unsigned short cfg_msw;
- unsigned short warn_code = 0;
-
- asc_dvc->init_state |= ASC_INIT_STATE_BEG_SET_CFG;
- if (asc_dvc->err_code != 0)
- return asc_dvc->err_code;
- if (!AscFindSignature(asc_dvc->iop_base)) {
- asc_dvc->err_code = ASC_IERR_BAD_SIGNATURE;
- return asc_dvc->err_code;
- }
-
- cfg_msw = AscGetChipCfgMsw(iop_base);
- if ((cfg_msw & ASC_CFG_MSW_CLR_MASK) != 0) {
- cfg_msw &= ~ASC_CFG_MSW_CLR_MASK;
- warn_code |= ASC_WARN_CFG_MSW_RECOVER;
- AscSetChipCfgMsw(iop_base, cfg_msw);
- }
- if ((asc_dvc->cfg->cmd_qng_enabled & asc_dvc->cfg->disc_enable) !=
- asc_dvc->cfg->cmd_qng_enabled) {
- asc_dvc->cfg->disc_enable = asc_dvc->cfg->cmd_qng_enabled;
- warn_code |= ASC_WARN_CMD_QNG_CONFLICT;
- }
- if (AscGetChipStatus(iop_base) & CSW_AUTO_CONFIG) {
- warn_code |= ASC_WARN_AUTO_CONFIG;
- }
- if ((asc_dvc->bus_type & (ASC_IS_ISA | ASC_IS_VL)) != 0) {
- if (AscSetChipIRQ(iop_base, asc_dvc->irq_no, asc_dvc->bus_type)
- != asc_dvc->irq_no) {
- asc_dvc->err_code |= ASC_IERR_SET_IRQ_NO;
- }
- }
-#ifdef CONFIG_PCI
- if (asc_dvc->bus_type & ASC_IS_PCI) {
- cfg_msw &= 0xFFC0;
- AscSetChipCfgMsw(iop_base, cfg_msw);
- if ((asc_dvc->bus_type & ASC_IS_PCI_ULTRA) == ASC_IS_PCI_ULTRA) {
- } else {
- if ((pdev->device == PCI_DEVICE_ID_ASP_1200A) ||
- (pdev->device == PCI_DEVICE_ID_ASP_ABP940)) {
- asc_dvc->bug_fix_cntl |= ASC_BUG_FIX_IF_NOT_DWB;
- asc_dvc->bug_fix_cntl |=
- ASC_BUG_FIX_ASYN_USE_SYN;
- }
- }
- } else
-#endif /* CONFIG_PCI */
- if (asc_dvc->bus_type == ASC_IS_ISAPNP) {
- if (AscGetChipVersion(iop_base, asc_dvc->bus_type)
- == ASC_CHIP_VER_ASYN_BUG) {
- asc_dvc->bug_fix_cntl |= ASC_BUG_FIX_ASYN_USE_SYN;
- }
- }
- if (AscSetChipScsiID(iop_base, asc_dvc->cfg->chip_scsi_id) !=
- asc_dvc->cfg->chip_scsi_id) {
- asc_dvc->err_code |= ASC_IERR_SET_SCSI_ID;
- }
-#ifdef CONFIG_ISA
- if (asc_dvc->bus_type & ASC_IS_ISA) {
- AscSetIsaDmaChannel(iop_base, asc_dvc->cfg->isa_dma_channel);
- AscSetIsaDmaSpeed(iop_base, asc_dvc->cfg->isa_dma_speed);
- }
-#endif /* CONFIG_ISA */
-
- asc_dvc->init_state |= ASC_INIT_STATE_END_SET_CFG;
-
- switch (warn_code) {
- case 0: /* No error. */
- break;
- case ASC_WARN_IO_PORT_ROTATE:
- ASC_PRINT1("AscInitSetConfig: board %d: I/O port address "
- "modified\n", boardp->id);
- break;
- case ASC_WARN_AUTO_CONFIG:
- ASC_PRINT1("AscInitSetConfig: board %d: I/O port increment "
- "switch enabled\n", boardp->id);
- break;
- case ASC_WARN_EEPROM_CHKSUM:
- ASC_PRINT1("AscInitSetConfig: board %d: EEPROM checksum "
- "error\n", boardp->id);
- break;
- case ASC_WARN_IRQ_MODIFIED:
- ASC_PRINT1("AscInitSetConfig: board %d: IRQ modified\n",
- boardp->id);
- break;
- case ASC_WARN_CMD_QNG_CONFLICT:
- ASC_PRINT1("AscInitSetConfig: board %d: tag queuing w/o "
- "disconnects\n",
- boardp->id);
- break;
- default:
- ASC_PRINT2("AscInitSetConfig: board %d: unknown warning: "
- "0x%x\n", boardp->id, warn_code);
- break;
- }
-
- if (asc_dvc->err_code != 0) {
- ASC_PRINT3("AscInitSetConfig: board %d error: init_state 0x%x, "
- "err_code 0x%x\n", boardp->id, asc_dvc->init_state,
- asc_dvc->err_code);
- }
-
- return asc_dvc->err_code;
-}
-
-static ushort AscInitAsc1000Driver(ASC_DVC_VAR *asc_dvc)
-{
- ushort warn_code;
- PortAddr iop_base;
-
- iop_base = asc_dvc->iop_base;
- warn_code = 0;
- if ((asc_dvc->dvc_cntl & ASC_CNTL_RESET_SCSI) &&
- !(asc_dvc->init_state & ASC_INIT_RESET_SCSI_DONE)) {
- AscResetChipAndScsiBus(asc_dvc);
- mdelay(asc_dvc->scsi_reset_wait * 1000); /* XXX: msleep? */
- }
- asc_dvc->init_state |= ASC_INIT_STATE_BEG_LOAD_MC;
- if (asc_dvc->err_code != 0)
- return (UW_ERR);
- if (!AscFindSignature(asc_dvc->iop_base)) {
- asc_dvc->err_code = ASC_IERR_BAD_SIGNATURE;
- return (warn_code);
- }
- AscDisableInterrupt(iop_base);
- warn_code |= AscInitLram(asc_dvc);
- if (asc_dvc->err_code != 0)
- return (UW_ERR);
- ASC_DBG1(1, "AscInitAsc1000Driver: _asc_mcode_chksum 0x%lx\n",
- (ulong)_asc_mcode_chksum);
- if (AscLoadMicroCode(iop_base, 0, _asc_mcode_buf,
- _asc_mcode_size) != _asc_mcode_chksum) {
- asc_dvc->err_code |= ASC_IERR_MCODE_CHKSUM;
- return (warn_code);
- }
- warn_code |= AscInitMicroCodeVar(asc_dvc);
- asc_dvc->init_state |= ASC_INIT_STATE_END_LOAD_MC;
- AscEnableInterrupt(iop_base);
- return (warn_code);
-}
-
-static ushort __devinit AscInitAscDvcVar(ASC_DVC_VAR *asc_dvc)
-{
- int i;
- PortAddr iop_base;
- ushort warn_code;
- uchar chip_version;
-
- iop_base = asc_dvc->iop_base;
- warn_code = 0;
- asc_dvc->err_code = 0;
- if ((asc_dvc->bus_type &
- (ASC_IS_ISA | ASC_IS_PCI | ASC_IS_EISA | ASC_IS_VL)) == 0) {
- asc_dvc->err_code |= ASC_IERR_NO_BUS_TYPE;
- }
- AscSetChipControl(iop_base, CC_HALT);
- AscSetChipStatus(iop_base, 0);
- asc_dvc->bug_fix_cntl = 0;
- asc_dvc->pci_fix_asyn_xfer = 0;
- asc_dvc->pci_fix_asyn_xfer_always = 0;
- /* asc_dvc->init_state initalized in AscInitGetConfig(). */
- asc_dvc->sdtr_done = 0;
- asc_dvc->cur_total_qng = 0;
- asc_dvc->is_in_int = 0;
- asc_dvc->in_critical_cnt = 0;
- asc_dvc->last_q_shortage = 0;
- asc_dvc->use_tagged_qng = 0;
- asc_dvc->no_scam = 0;
- asc_dvc->unit_not_ready = 0;
- asc_dvc->queue_full_or_busy = 0;
- asc_dvc->redo_scam = 0;
- asc_dvc->res2 = 0;
- asc_dvc->host_init_sdtr_index = 0;
- asc_dvc->cfg->can_tagged_qng = 0;
- asc_dvc->cfg->cmd_qng_enabled = 0;
- asc_dvc->dvc_cntl = ASC_DEF_DVC_CNTL;
- asc_dvc->init_sdtr = 0;
- asc_dvc->max_total_qng = ASC_DEF_MAX_TOTAL_QNG;
- asc_dvc->scsi_reset_wait = 3;
- asc_dvc->start_motor = ASC_SCSI_WIDTH_BIT_SET;
- asc_dvc->max_dma_count = AscGetMaxDmaCount(asc_dvc->bus_type);
- asc_dvc->cfg->sdtr_enable = ASC_SCSI_WIDTH_BIT_SET;
- asc_dvc->cfg->disc_enable = ASC_SCSI_WIDTH_BIT_SET;
- asc_dvc->cfg->chip_scsi_id = ASC_DEF_CHIP_SCSI_ID;
- asc_dvc->cfg->lib_serial_no = ASC_LIB_SERIAL_NUMBER;
- asc_dvc->cfg->lib_version = (ASC_LIB_VERSION_MAJOR << 8) |
- ASC_LIB_VERSION_MINOR;
- chip_version = AscGetChipVersion(iop_base, asc_dvc->bus_type);
- asc_dvc->cfg->chip_version = chip_version;
- asc_dvc->sdtr_period_tbl[0] = SYN_XFER_NS_0;
- asc_dvc->sdtr_period_tbl[1] = SYN_XFER_NS_1;
- asc_dvc->sdtr_period_tbl[2] = SYN_XFER_NS_2;
- asc_dvc->sdtr_period_tbl[3] = SYN_XFER_NS_3;
- asc_dvc->sdtr_period_tbl[4] = SYN_XFER_NS_4;
- asc_dvc->sdtr_period_tbl[5] = SYN_XFER_NS_5;
- asc_dvc->sdtr_period_tbl[6] = SYN_XFER_NS_6;
- asc_dvc->sdtr_period_tbl[7] = SYN_XFER_NS_7;
- asc_dvc->max_sdtr_index = 7;
- if ((asc_dvc->bus_type & ASC_IS_PCI) &&
- (chip_version >= ASC_CHIP_VER_PCI_ULTRA_3150)) {
- asc_dvc->bus_type = ASC_IS_PCI_ULTRA;
- asc_dvc->sdtr_period_tbl[0] = SYN_ULTRA_XFER_NS_0;
- asc_dvc->sdtr_period_tbl[1] = SYN_ULTRA_XFER_NS_1;
- asc_dvc->sdtr_period_tbl[2] = SYN_ULTRA_XFER_NS_2;
- asc_dvc->sdtr_period_tbl[3] = SYN_ULTRA_XFER_NS_3;
- asc_dvc->sdtr_period_tbl[4] = SYN_ULTRA_XFER_NS_4;
- asc_dvc->sdtr_period_tbl[5] = SYN_ULTRA_XFER_NS_5;
- asc_dvc->sdtr_period_tbl[6] = SYN_ULTRA_XFER_NS_6;
- asc_dvc->sdtr_period_tbl[7] = SYN_ULTRA_XFER_NS_7;
- asc_dvc->sdtr_period_tbl[8] = SYN_ULTRA_XFER_NS_8;
- asc_dvc->sdtr_period_tbl[9] = SYN_ULTRA_XFER_NS_9;
- asc_dvc->sdtr_period_tbl[10] = SYN_ULTRA_XFER_NS_10;
- asc_dvc->sdtr_period_tbl[11] = SYN_ULTRA_XFER_NS_11;
- asc_dvc->sdtr_period_tbl[12] = SYN_ULTRA_XFER_NS_12;
- asc_dvc->sdtr_period_tbl[13] = SYN_ULTRA_XFER_NS_13;
- asc_dvc->sdtr_period_tbl[14] = SYN_ULTRA_XFER_NS_14;
- asc_dvc->sdtr_period_tbl[15] = SYN_ULTRA_XFER_NS_15;
- asc_dvc->max_sdtr_index = 15;
- if (chip_version == ASC_CHIP_VER_PCI_ULTRA_3150) {
- AscSetExtraControl(iop_base,
- (SEC_ACTIVE_NEGATE | SEC_SLEW_RATE));
- } else if (chip_version >= ASC_CHIP_VER_PCI_ULTRA_3050) {
- AscSetExtraControl(iop_base,
- (SEC_ACTIVE_NEGATE |
- SEC_ENABLE_FILTER));
- }
- }
- if (asc_dvc->bus_type == ASC_IS_PCI) {
- AscSetExtraControl(iop_base,
- (SEC_ACTIVE_NEGATE | SEC_SLEW_RATE));
- }
-
- asc_dvc->cfg->isa_dma_speed = ASC_DEF_ISA_DMA_SPEED;
-#ifdef CONFIG_ISA
- if ((asc_dvc->bus_type & ASC_IS_ISA) != 0) {
- if (chip_version >= ASC_CHIP_MIN_VER_ISA_PNP) {
- AscSetChipIFC(iop_base, IFC_INIT_DEFAULT);
- asc_dvc->bus_type = ASC_IS_ISAPNP;
- }
- asc_dvc->cfg->isa_dma_channel =
- (uchar)AscGetIsaDmaChannel(iop_base);
- }
-#endif /* CONFIG_ISA */
- for (i = 0; i <= ASC_MAX_TID; i++) {
- asc_dvc->cur_dvc_qng[i] = 0;
- asc_dvc->max_dvc_qng[i] = ASC_MAX_SCSI1_QNG;
- asc_dvc->scsiq_busy_head[i] = (ASC_SCSI_Q *)0L;
- asc_dvc->scsiq_busy_tail[i] = (ASC_SCSI_Q *)0L;
- asc_dvc->cfg->max_tag_qng[i] = ASC_MAX_INRAM_TAG_QNG;
- }
- return (warn_code);
-}
-
-static ushort __devinit AscInitFromEEP(ASC_DVC_VAR *asc_dvc)
-{
- ASCEEP_CONFIG eep_config_buf;
- ASCEEP_CONFIG *eep_config;
- PortAddr iop_base;
- ushort chksum;
- ushort warn_code;
- ushort cfg_msw, cfg_lsw;
- int i;
- int write_eep = 0;
-
- iop_base = asc_dvc->iop_base;
- warn_code = 0;
- AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0x00FE);
- AscStopQueueExe(iop_base);
- if ((AscStopChip(iop_base) == FALSE) ||
- (AscGetChipScsiCtrl(iop_base) != 0)) {
- asc_dvc->init_state |= ASC_INIT_RESET_SCSI_DONE;
- AscResetChipAndScsiBus(asc_dvc);
- mdelay(asc_dvc->scsi_reset_wait * 1000); /* XXX: msleep? */
- }
- if (AscIsChipHalted(iop_base) == FALSE) {
- asc_dvc->err_code |= ASC_IERR_START_STOP_CHIP;
- return (warn_code);
- }
- AscSetPCAddr(iop_base, ASC_MCODE_START_ADDR);
- if (AscGetPCAddr(iop_base) != ASC_MCODE_START_ADDR) {
- asc_dvc->err_code |= ASC_IERR_SET_PC_ADDR;
- return (warn_code);
- }
- eep_config = (ASCEEP_CONFIG *)&eep_config_buf;
- cfg_msw = AscGetChipCfgMsw(iop_base);
- cfg_lsw = AscGetChipCfgLsw(iop_base);
- if ((cfg_msw & ASC_CFG_MSW_CLR_MASK) != 0) {
- cfg_msw &= ~ASC_CFG_MSW_CLR_MASK;
- warn_code |= ASC_WARN_CFG_MSW_RECOVER;
- AscSetChipCfgMsw(iop_base, cfg_msw);
- }
- chksum = AscGetEEPConfig(iop_base, eep_config, asc_dvc->bus_type);
- ASC_DBG1(1, "AscInitFromEEP: chksum 0x%x\n", chksum);
- if (chksum == 0) {
- chksum = 0xaa55;
- }
- if (AscGetChipStatus(iop_base) & CSW_AUTO_CONFIG) {
- warn_code |= ASC_WARN_AUTO_CONFIG;
- if (asc_dvc->cfg->chip_version == 3) {
- if (eep_config->cfg_lsw != cfg_lsw) {
- warn_code |= ASC_WARN_EEPROM_RECOVER;
- eep_config->cfg_lsw =
- AscGetChipCfgLsw(iop_base);
- }
- if (eep_config->cfg_msw != cfg_msw) {
- warn_code |= ASC_WARN_EEPROM_RECOVER;
- eep_config->cfg_msw =
- AscGetChipCfgMsw(iop_base);
- }
- }
- }
- eep_config->cfg_msw &= ~ASC_CFG_MSW_CLR_MASK;
- eep_config->cfg_lsw |= ASC_CFG0_HOST_INT_ON;
- ASC_DBG1(1, "AscInitFromEEP: eep_config->chksum 0x%x\n",
- eep_config->chksum);
- if (chksum != eep_config->chksum) {
- if (AscGetChipVersion(iop_base, asc_dvc->bus_type) ==
- ASC_CHIP_VER_PCI_ULTRA_3050) {
- ASC_DBG(1,
- "AscInitFromEEP: chksum error ignored; EEPROM-less board\n");
- eep_config->init_sdtr = 0xFF;
- eep_config->disc_enable = 0xFF;
- eep_config->start_motor = 0xFF;
- eep_config->use_cmd_qng = 0;
- eep_config->max_total_qng = 0xF0;
- eep_config->max_tag_qng = 0x20;
- eep_config->cntl = 0xBFFF;
- ASC_EEP_SET_CHIP_ID(eep_config, 7);
- eep_config->no_scam = 0;
- eep_config->adapter_info[0] = 0;
- eep_config->adapter_info[1] = 0;
- eep_config->adapter_info[2] = 0;
- eep_config->adapter_info[3] = 0;
- eep_config->adapter_info[4] = 0;
- /* Indicate EEPROM-less board. */
- eep_config->adapter_info[5] = 0xBB;
- } else {
- ASC_PRINT
- ("AscInitFromEEP: EEPROM checksum error; Will try to re-write EEPROM.\n");
- write_eep = 1;
- warn_code |= ASC_WARN_EEPROM_CHKSUM;
- }
- }
- asc_dvc->cfg->sdtr_enable = eep_config->init_sdtr;
- asc_dvc->cfg->disc_enable = eep_config->disc_enable;
- asc_dvc->cfg->cmd_qng_enabled = eep_config->use_cmd_qng;
- asc_dvc->cfg->isa_dma_speed = ASC_EEP_GET_DMA_SPD(eep_config);
- asc_dvc->start_motor = eep_config->start_motor;
- asc_dvc->dvc_cntl = eep_config->cntl;
- asc_dvc->no_scam = eep_config->no_scam;
- asc_dvc->cfg->adapter_info[0] = eep_config->adapter_info[0];
- asc_dvc->cfg->adapter_info[1] = eep_config->adapter_info[1];
- asc_dvc->cfg->adapter_info[2] = eep_config->adapter_info[2];
- asc_dvc->cfg->adapter_info[3] = eep_config->adapter_info[3];
- asc_dvc->cfg->adapter_info[4] = eep_config->adapter_info[4];
- asc_dvc->cfg->adapter_info[5] = eep_config->adapter_info[5];
- if (!AscTestExternalLram(asc_dvc)) {
- if (((asc_dvc->bus_type & ASC_IS_PCI_ULTRA) ==
- ASC_IS_PCI_ULTRA)) {
- eep_config->max_total_qng =
- ASC_MAX_PCI_ULTRA_INRAM_TOTAL_QNG;
- eep_config->max_tag_qng =
- ASC_MAX_PCI_ULTRA_INRAM_TAG_QNG;
- } else {
- eep_config->cfg_msw |= 0x0800;
- cfg_msw |= 0x0800;
- AscSetChipCfgMsw(iop_base, cfg_msw);
- eep_config->max_total_qng = ASC_MAX_PCI_INRAM_TOTAL_QNG;
- eep_config->max_tag_qng = ASC_MAX_INRAM_TAG_QNG;
- }
- } else {
- }
- if (eep_config->max_total_qng < ASC_MIN_TOTAL_QNG) {
- eep_config->max_total_qng = ASC_MIN_TOTAL_QNG;
- }
- if (eep_config->max_total_qng > ASC_MAX_TOTAL_QNG) {
- eep_config->max_total_qng = ASC_MAX_TOTAL_QNG;
- }
- if (eep_config->max_tag_qng > eep_config->max_total_qng) {
- eep_config->max_tag_qng = eep_config->max_total_qng;
- }
- if (eep_config->max_tag_qng < ASC_MIN_TAG_Q_PER_DVC) {
- eep_config->max_tag_qng = ASC_MIN_TAG_Q_PER_DVC;
- }
- asc_dvc->max_total_qng = eep_config->max_total_qng;
- if ((eep_config->use_cmd_qng & eep_config->disc_enable) !=
- eep_config->use_cmd_qng) {
- eep_config->disc_enable = eep_config->use_cmd_qng;
- warn_code |= ASC_WARN_CMD_QNG_CONFLICT;
- }
- if (asc_dvc->bus_type & (ASC_IS_ISA | ASC_IS_VL | ASC_IS_EISA)) {
- asc_dvc->irq_no = AscGetChipIRQ(iop_base, asc_dvc->bus_type);
- }
- ASC_EEP_SET_CHIP_ID(eep_config,
- ASC_EEP_GET_CHIP_ID(eep_config) & ASC_MAX_TID);
- asc_dvc->cfg->chip_scsi_id = ASC_EEP_GET_CHIP_ID(eep_config);
- if (((asc_dvc->bus_type & ASC_IS_PCI_ULTRA) == ASC_IS_PCI_ULTRA) &&
- !(asc_dvc->dvc_cntl & ASC_CNTL_SDTR_ENABLE_ULTRA)) {
- asc_dvc->host_init_sdtr_index = ASC_SDTR_ULTRA_PCI_10MB_INDEX;
- }
-
- for (i = 0; i <= ASC_MAX_TID; i++) {
- asc_dvc->dos_int13_table[i] = eep_config->dos_int13_table[i];
- asc_dvc->cfg->max_tag_qng[i] = eep_config->max_tag_qng;
- asc_dvc->cfg->sdtr_period_offset[i] =
- (uchar)(ASC_DEF_SDTR_OFFSET |
- (asc_dvc->host_init_sdtr_index << 4));
- }
- eep_config->cfg_msw = AscGetChipCfgMsw(iop_base);
- if (write_eep) {
- if ((i =
- AscSetEEPConfig(iop_base, eep_config,
- asc_dvc->bus_type)) != 0) {
- ASC_PRINT1
- ("AscInitFromEEP: Failed to re-write EEPROM with %d errors.\n",
- i);
- } else {
- ASC_PRINT
- ("AscInitFromEEP: Successfully re-wrote EEPROM.\n");
- }
- }
- return (warn_code);
-}
-
-static ushort AscInitMicroCodeVar(ASC_DVC_VAR *asc_dvc)
-{
- int i;
- ushort warn_code;
- PortAddr iop_base;
- ASC_PADDR phy_addr;
- ASC_DCNT phy_size;
-
- iop_base = asc_dvc->iop_base;
- warn_code = 0;
- for (i = 0; i <= ASC_MAX_TID; i++) {
- AscPutMCodeInitSDTRAtID(iop_base, i,
- asc_dvc->cfg->sdtr_period_offset[i]
- );
- }
-
- AscInitQLinkVar(asc_dvc);
- AscWriteLramByte(iop_base, ASCV_DISC_ENABLE_B,
- asc_dvc->cfg->disc_enable);
- AscWriteLramByte(iop_base, ASCV_HOSTSCSI_ID_B,
- ASC_TID_TO_TARGET_ID(asc_dvc->cfg->chip_scsi_id));
-
- /* Align overrun buffer on an 8 byte boundary. */
- phy_addr = virt_to_bus(asc_dvc->cfg->overrun_buf);
- phy_addr = cpu_to_le32((phy_addr + 7) & ~0x7);
- AscMemDWordCopyPtrToLram(iop_base, ASCV_OVERRUN_PADDR_D,
- (uchar *)&phy_addr, 1);
- phy_size = cpu_to_le32(ASC_OVERRUN_BSIZE - 8);
- AscMemDWordCopyPtrToLram(iop_base, ASCV_OVERRUN_BSIZE_D,
- (uchar *)&phy_size, 1);
-
- asc_dvc->cfg->mcode_date =
- AscReadLramWord(iop_base, (ushort)ASCV_MC_DATE_W);
- asc_dvc->cfg->mcode_version =
- AscReadLramWord(iop_base, (ushort)ASCV_MC_VER_W);
-
- AscSetPCAddr(iop_base, ASC_MCODE_START_ADDR);
- if (AscGetPCAddr(iop_base) != ASC_MCODE_START_ADDR) {
- asc_dvc->err_code |= ASC_IERR_SET_PC_ADDR;
- return (warn_code);
- }
- if (AscStartChip(iop_base) != 1) {
- asc_dvc->err_code |= ASC_IERR_START_STOP_CHIP;
- return (warn_code);
- }
-
- return (warn_code);
-}
-
-static int __devinit AscTestExternalLram(ASC_DVC_VAR *asc_dvc)
-{
- PortAddr iop_base;
- ushort q_addr;
- ushort saved_word;
- int sta;
-
- iop_base = asc_dvc->iop_base;
- sta = 0;
- q_addr = ASC_QNO_TO_QADDR(241);
- saved_word = AscReadLramWord(iop_base, q_addr);
- AscSetChipLramAddr(iop_base, q_addr);
- AscSetChipLramData(iop_base, 0x55AA);
- mdelay(10);
- AscSetChipLramAddr(iop_base, q_addr);
- if (AscGetChipLramData(iop_base) == 0x55AA) {
- sta = 1;
- AscWriteLramWord(iop_base, q_addr, saved_word);
- }
- return (sta);
-}
-
-static int __devinit AscWriteEEPCmdReg(PortAddr iop_base, uchar cmd_reg)
-{
- uchar read_back;
- int retry;
-
- retry = 0;
- while (TRUE) {
- AscSetChipEEPCmd(iop_base, cmd_reg);
- mdelay(1);
- read_back = AscGetChipEEPCmd(iop_base);
- if (read_back == cmd_reg) {
- return (1);
- }
- if (retry++ > ASC_EEP_MAX_RETRY) {
- return (0);
- }
- }
-}
-
-static int __devinit AscWriteEEPDataReg(PortAddr iop_base, ushort data_reg)
-{
- ushort read_back;
- int retry;
-
- retry = 0;
- while (TRUE) {
- AscSetChipEEPData(iop_base, data_reg);
- mdelay(1);
- read_back = AscGetChipEEPData(iop_base);
- if (read_back == data_reg) {
- return (1);
- }
- if (retry++ > ASC_EEP_MAX_RETRY) {
- return (0);
- }
- }
-}
-
-static void __devinit AscWaitEEPRead(void)
-{
- mdelay(1);
- return;
-}
-
-static void __devinit AscWaitEEPWrite(void)
-{
- mdelay(20);
- return;
-}
-
-static ushort __devinit AscReadEEPWord(PortAddr iop_base, uchar addr)
-{
- ushort read_wval;
- uchar cmd_reg;
-
- AscWriteEEPCmdReg(iop_base, ASC_EEP_CMD_WRITE_DISABLE);
- AscWaitEEPRead();
- cmd_reg = addr | ASC_EEP_CMD_READ;
- AscWriteEEPCmdReg(iop_base, cmd_reg);
- AscWaitEEPRead();
- read_wval = AscGetChipEEPData(iop_base);
- AscWaitEEPRead();
- return (read_wval);
-}
-
-static ushort __devinit
-AscWriteEEPWord(PortAddr iop_base, uchar addr, ushort word_val)
-{
- ushort read_wval;
-
- read_wval = AscReadEEPWord(iop_base, addr);
- if (read_wval != word_val) {
- AscWriteEEPCmdReg(iop_base, ASC_EEP_CMD_WRITE_ABLE);
- AscWaitEEPRead();
- AscWriteEEPDataReg(iop_base, word_val);
- AscWaitEEPRead();
- AscWriteEEPCmdReg(iop_base,
- (uchar)((uchar)ASC_EEP_CMD_WRITE | addr));
- AscWaitEEPWrite();
- AscWriteEEPCmdReg(iop_base, ASC_EEP_CMD_WRITE_DISABLE);
- AscWaitEEPRead();
- return (AscReadEEPWord(iop_base, addr));
- }
- return (read_wval);
-}
-
-static ushort __devinit
-AscGetEEPConfig(PortAddr iop_base, ASCEEP_CONFIG *cfg_buf, ushort bus_type)
-{
- ushort wval;
- ushort sum;
- ushort *wbuf;
- int cfg_beg;
- int cfg_end;
- int uchar_end_in_config = ASC_EEP_MAX_DVC_ADDR - 2;
- int s_addr;
-
- wbuf = (ushort *)cfg_buf;
- sum = 0;
- /* Read two config words; Byte-swapping done by AscReadEEPWord(). */
- for (s_addr = 0; s_addr < 2; s_addr++, wbuf++) {
- *wbuf = AscReadEEPWord(iop_base, (uchar)s_addr);
- sum += *wbuf;
- }
- if (bus_type & ASC_IS_VL) {
- cfg_beg = ASC_EEP_DVC_CFG_BEG_VL;
- cfg_end = ASC_EEP_MAX_DVC_ADDR_VL;
- } else {
- cfg_beg = ASC_EEP_DVC_CFG_BEG;
- cfg_end = ASC_EEP_MAX_DVC_ADDR;
- }
- for (s_addr = cfg_beg; s_addr <= (cfg_end - 1); s_addr++, wbuf++) {
- wval = AscReadEEPWord(iop_base, (uchar)s_addr);
- if (s_addr <= uchar_end_in_config) {
- /*
- * Swap all char fields - must unswap bytes already swapped
- * by AscReadEEPWord().
- */
- *wbuf = le16_to_cpu(wval);
- } else {
- /* Don't swap word field at the end - cntl field. */
- *wbuf = wval;
- }
- sum += wval; /* Checksum treats all EEPROM data as words. */
- }
- /*
- * Read the checksum word which will be compared against 'sum'
- * by the caller. Word field already swapped.
- */
- *wbuf = AscReadEEPWord(iop_base, (uchar)s_addr);
- return (sum);
-}
-
-static int __devinit
-AscSetEEPConfigOnce(PortAddr iop_base, ASCEEP_CONFIG *cfg_buf, ushort bus_type)
-{
- int n_error;
- ushort *wbuf;
- ushort word;
- ushort sum;
- int s_addr;
- int cfg_beg;
- int cfg_end;
- int uchar_end_in_config = ASC_EEP_MAX_DVC_ADDR - 2;
-
- wbuf = (ushort *)cfg_buf;
- n_error = 0;
- sum = 0;
- /* Write two config words; AscWriteEEPWord() will swap bytes. */
- for (s_addr = 0; s_addr < 2; s_addr++, wbuf++) {
- sum += *wbuf;
- if (*wbuf != AscWriteEEPWord(iop_base, (uchar)s_addr, *wbuf)) {
- n_error++;
- }
- }
- if (bus_type & ASC_IS_VL) {
- cfg_beg = ASC_EEP_DVC_CFG_BEG_VL;
- cfg_end = ASC_EEP_MAX_DVC_ADDR_VL;
- } else {
- cfg_beg = ASC_EEP_DVC_CFG_BEG;
- cfg_end = ASC_EEP_MAX_DVC_ADDR;
- }
- for (s_addr = cfg_beg; s_addr <= (cfg_end - 1); s_addr++, wbuf++) {
- if (s_addr <= uchar_end_in_config) {
- /*
- * This is a char field. Swap char fields before they are
- * swapped again by AscWriteEEPWord().
- */
- word = cpu_to_le16(*wbuf);
- if (word !=
- AscWriteEEPWord(iop_base, (uchar)s_addr, word)) {
- n_error++;
- }
- } else {
- /* Don't swap word field at the end - cntl field. */
- if (*wbuf !=
- AscWriteEEPWord(iop_base, (uchar)s_addr, *wbuf)) {
- n_error++;
- }
- }
- sum += *wbuf; /* Checksum calculated from word values. */
- }
- /* Write checksum word. It will be swapped by AscWriteEEPWord(). */
- *wbuf = sum;
- if (sum != AscWriteEEPWord(iop_base, (uchar)s_addr, sum)) {
- n_error++;
- }
-
- /* Read EEPROM back again. */
- wbuf = (ushort *)cfg_buf;
- /*
- * Read two config words; Byte-swapping done by AscReadEEPWord().
- */
- for (s_addr = 0; s_addr < 2; s_addr++, wbuf++) {
- if (*wbuf != AscReadEEPWord(iop_base, (uchar)s_addr)) {
- n_error++;
- }
- }
- if (bus_type & ASC_IS_VL) {
- cfg_beg = ASC_EEP_DVC_CFG_BEG_VL;
- cfg_end = ASC_EEP_MAX_DVC_ADDR_VL;
- } else {
- cfg_beg = ASC_EEP_DVC_CFG_BEG;
- cfg_end = ASC_EEP_MAX_DVC_ADDR;
- }
- for (s_addr = cfg_beg; s_addr <= (cfg_end - 1); s_addr++, wbuf++) {
- if (s_addr <= uchar_end_in_config) {
- /*
- * Swap all char fields. Must unswap bytes already swapped
- * by AscReadEEPWord().
- */
- word =
- le16_to_cpu(AscReadEEPWord
- (iop_base, (uchar)s_addr));
- } else {
- /* Don't swap word field at the end - cntl field. */
- word = AscReadEEPWord(iop_base, (uchar)s_addr);
- }
- if (*wbuf != word) {
- n_error++;
- }
- }
- /* Read checksum; Byte swapping not needed. */
- if (AscReadEEPWord(iop_base, (uchar)s_addr) != sum) {
- n_error++;
- }
- return (n_error);
-}
-
-static int __devinit
-AscSetEEPConfig(PortAddr iop_base, ASCEEP_CONFIG *cfg_buf, ushort bus_type)
-{
- int retry;
- int n_error;
-
- retry = 0;
- while (TRUE) {
- if ((n_error = AscSetEEPConfigOnce(iop_base, cfg_buf,
- bus_type)) == 0) {
- break;
- }
- if (++retry > ASC_EEP_MAX_RETRY) {
- break;
- }
- }
- return (n_error);
-}
-
-static void AscAsyncFix(ASC_DVC_VAR *asc_dvc, struct scsi_device *sdev)
-{
- char type = sdev->type;
- ASC_SCSI_BIT_ID_TYPE tid_bits = 1 << sdev->id;
-
- if (!(asc_dvc->bug_fix_cntl & ASC_BUG_FIX_ASYN_USE_SYN))
- return;
- if (asc_dvc->init_sdtr & tid_bits)
- return;
-
- if ((type == TYPE_ROM) && (strncmp(sdev->vendor, "HP ", 3) == 0))
- asc_dvc->pci_fix_asyn_xfer_always |= tid_bits;
-
- asc_dvc->pci_fix_asyn_xfer |= tid_bits;
- if ((type == TYPE_PROCESSOR) || (type == TYPE_SCANNER) ||
- (type == TYPE_ROM) || (type == TYPE_TAPE))
- asc_dvc->pci_fix_asyn_xfer &= ~tid_bits;
-
- if (asc_dvc->pci_fix_asyn_xfer & tid_bits)
- AscSetRunChipSynRegAtID(asc_dvc->iop_base, sdev->id,
- ASYN_SDTR_DATA_FIX_PCI_REV_AB);
-}
-
-static uchar AscReadLramByte(PortAddr iop_base, ushort addr)
-{
- uchar byte_data;
- ushort word_data;
-
- if (isodd_word(addr)) {
- AscSetChipLramAddr(iop_base, addr - 1);
- word_data = AscGetChipLramData(iop_base);
- byte_data = (uchar)((word_data >> 8) & 0xFF);
- } else {
- AscSetChipLramAddr(iop_base, addr);
- word_data = AscGetChipLramData(iop_base);
- byte_data = (uchar)(word_data & 0xFF);
- }
- return (byte_data);
-}
-
-static ushort AscReadLramWord(PortAddr iop_base, ushort addr)
-{
- ushort word_data;
-
- AscSetChipLramAddr(iop_base, addr);
- word_data = AscGetChipLramData(iop_base);
- return (word_data);
-}
-
-#if CC_VERY_LONG_SG_LIST
-static ASC_DCNT AscReadLramDWord(PortAddr iop_base, ushort addr)
-{
- ushort val_low, val_high;
- ASC_DCNT dword_data;
-
- AscSetChipLramAddr(iop_base, addr);
- val_low = AscGetChipLramData(iop_base);
- val_high = AscGetChipLramData(iop_base);
- dword_data = ((ASC_DCNT) val_high << 16) | (ASC_DCNT) val_low;
- return (dword_data);
-}
-#endif /* CC_VERY_LONG_SG_LIST */
-
-static void AscWriteLramWord(PortAddr iop_base, ushort addr, ushort word_val)
-{
- AscSetChipLramAddr(iop_base, addr);
- AscSetChipLramData(iop_base, word_val);
- return;
-}
-
-static void AscWriteLramByte(PortAddr iop_base, ushort addr, uchar byte_val)
-{
- ushort word_data;
-
- if (isodd_word(addr)) {
- addr--;
- word_data = AscReadLramWord(iop_base, addr);
- word_data &= 0x00FF;
- word_data |= (((ushort)byte_val << 8) & 0xFF00);
- } else {
- word_data = AscReadLramWord(iop_base, addr);
- word_data &= 0xFF00;
- word_data |= ((ushort)byte_val & 0x00FF);
- }
- AscWriteLramWord(iop_base, addr, word_data);
- return;
-}
-
-/*
- * Copy 2 bytes to LRAM.
- *
- * The source data is assumed to be in little-endian order in memory
- * and is maintained in little-endian order when written to LRAM.
- */
-static void
-AscMemWordCopyPtrToLram(PortAddr iop_base,
- ushort s_addr, uchar *s_buffer, int words)
-{
- int i;
-
- AscSetChipLramAddr(iop_base, s_addr);
- for (i = 0; i < 2 * words; i += 2) {
- /*
- * On a little-endian system the second argument below
- * produces a little-endian ushort which is written to
- * LRAM in little-endian order. On a big-endian system
- * the second argument produces a big-endian ushort which
- * is "transparently" byte-swapped by outpw() and written
- * in little-endian order to LRAM.
- */
- outpw(iop_base + IOP_RAM_DATA,
- ((ushort)s_buffer[i + 1] << 8) | s_buffer[i]);
- }
- return;
-}
-
-/*
- * Copy 4 bytes to LRAM.
- *
- * The source data is assumed to be in little-endian order in memory
- * and is maintained in little-endian order when writen to LRAM.
- */
-static void
-AscMemDWordCopyPtrToLram(PortAddr iop_base,
- ushort s_addr, uchar *s_buffer, int dwords)
-{
- int i;
-
- AscSetChipLramAddr(iop_base, s_addr);
- for (i = 0; i < 4 * dwords; i += 4) {
- outpw(iop_base + IOP_RAM_DATA, ((ushort)s_buffer[i + 1] << 8) | s_buffer[i]); /* LSW */
- outpw(iop_base + IOP_RAM_DATA, ((ushort)s_buffer[i + 3] << 8) | s_buffer[i + 2]); /* MSW */
- }
- return;
-}
-
-/*
- * Copy 2 bytes from LRAM.
- *
- * The source data is assumed to be in little-endian order in LRAM
- * and is maintained in little-endian order when written to memory.
- */
-static void
-AscMemWordCopyPtrFromLram(PortAddr iop_base,
- ushort s_addr, uchar *d_buffer, int words)
-{
- int i;
- ushort word;
-
- AscSetChipLramAddr(iop_base, s_addr);
- for (i = 0; i < 2 * words; i += 2) {
- word = inpw(iop_base + IOP_RAM_DATA);
- d_buffer[i] = word & 0xff;
- d_buffer[i + 1] = (word >> 8) & 0xff;
- }
- return;
-}
-
-static ASC_DCNT AscMemSumLramWord(PortAddr iop_base, ushort s_addr, int words)
-{
- ASC_DCNT sum;
- int i;
-
- sum = 0L;
- for (i = 0; i < words; i++, s_addr += 2) {
- sum += AscReadLramWord(iop_base, s_addr);
- }
- return (sum);
-}
-
-static void
-AscMemWordSetLram(PortAddr iop_base, ushort s_addr, ushort set_wval, int words)
-{
- int i;
-
- AscSetChipLramAddr(iop_base, s_addr);
- for (i = 0; i < words; i++) {
- AscSetChipLramData(iop_base, set_wval);
- }
- return;
-}
+static unsigned short _asc_mcode_size = sizeof(_asc_mcode_buf);
+static ADV_DCNT _asc_mcode_chksum = 0x012C453FUL;
/* Microcode buffer is kept after initialization for error recovery. */
static unsigned char _adv_asc3550_buf[] = {
0xa8, 0x02, 0xff, 0x66, 0x00, 0x00,
};
-static unsigned short _adv_asc38C1600_size = sizeof(_adv_asc38C1600_buf); /* 0x1673 */
-static ADV_DCNT _adv_asc38C1600_chksum = 0x0604EF77UL; /* Expanded little-endian checksum. */
+static unsigned short _adv_asc38C1600_size = sizeof(_adv_asc38C1600_buf); /* 0x1673 */
+static ADV_DCNT _adv_asc38C1600_chksum = 0x0604EF77UL; /* Expanded little-endian checksum. */
+
+static void AscInitQLinkVar(ASC_DVC_VAR *asc_dvc)
+{
+ PortAddr iop_base;
+ int i;
+ ushort lram_addr;
+
+ iop_base = asc_dvc->iop_base;
+ AscPutRiscVarFreeQHead(iop_base, 1);
+ AscPutRiscVarDoneQTail(iop_base, asc_dvc->max_total_qng);
+ AscPutVarFreeQHead(iop_base, 1);
+ AscPutVarDoneQTail(iop_base, asc_dvc->max_total_qng);
+ AscWriteLramByte(iop_base, ASCV_BUSY_QHEAD_B,
+ (uchar)((int)asc_dvc->max_total_qng + 1));
+ AscWriteLramByte(iop_base, ASCV_DISC1_QHEAD_B,
+ (uchar)((int)asc_dvc->max_total_qng + 2));
+ AscWriteLramByte(iop_base, (ushort)ASCV_TOTAL_READY_Q_B,
+ asc_dvc->max_total_qng);
+ AscWriteLramWord(iop_base, ASCV_ASCDVC_ERR_CODE_W, 0);
+ AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
+ AscWriteLramByte(iop_base, ASCV_STOP_CODE_B, 0);
+ AscWriteLramByte(iop_base, ASCV_SCSIBUSY_B, 0);
+ AscWriteLramByte(iop_base, ASCV_WTM_FLAG_B, 0);
+ AscPutQDoneInProgress(iop_base, 0);
+ lram_addr = ASC_QADR_BEG;
+ for (i = 0; i < 32; i++, lram_addr += 2) {
+ AscWriteLramWord(iop_base, lram_addr, 0);
+ }
+}
+
+static ushort AscInitMicroCodeVar(ASC_DVC_VAR *asc_dvc)
+{
+ int i;
+ ushort warn_code;
+ PortAddr iop_base;
+ ASC_PADDR phy_addr;
+ ASC_DCNT phy_size;
+
+ iop_base = asc_dvc->iop_base;
+ warn_code = 0;
+ for (i = 0; i <= ASC_MAX_TID; i++) {
+ AscPutMCodeInitSDTRAtID(iop_base, i,
+ asc_dvc->cfg->sdtr_period_offset[i]);
+ }
+
+ AscInitQLinkVar(asc_dvc);
+ AscWriteLramByte(iop_base, ASCV_DISC_ENABLE_B,
+ asc_dvc->cfg->disc_enable);
+ AscWriteLramByte(iop_base, ASCV_HOSTSCSI_ID_B,
+ ASC_TID_TO_TARGET_ID(asc_dvc->cfg->chip_scsi_id));
+
+ /* Align overrun buffer on an 8 byte boundary. */
+ phy_addr = virt_to_bus(asc_dvc->cfg->overrun_buf);
+ phy_addr = cpu_to_le32((phy_addr + 7) & ~0x7);
+ AscMemDWordCopyPtrToLram(iop_base, ASCV_OVERRUN_PADDR_D,
+ (uchar *)&phy_addr, 1);
+ phy_size = cpu_to_le32(ASC_OVERRUN_BSIZE - 8);
+ AscMemDWordCopyPtrToLram(iop_base, ASCV_OVERRUN_BSIZE_D,
+ (uchar *)&phy_size, 1);
+
+ asc_dvc->cfg->mcode_date =
+ AscReadLramWord(iop_base, (ushort)ASCV_MC_DATE_W);
+ asc_dvc->cfg->mcode_version =
+ AscReadLramWord(iop_base, (ushort)ASCV_MC_VER_W);
+
+ AscSetPCAddr(iop_base, ASC_MCODE_START_ADDR);
+ if (AscGetPCAddr(iop_base) != ASC_MCODE_START_ADDR) {
+ asc_dvc->err_code |= ASC_IERR_SET_PC_ADDR;
+ return warn_code;
+ }
+ if (AscStartChip(iop_base) != 1) {
+ asc_dvc->err_code |= ASC_IERR_START_STOP_CHIP;
+ return warn_code;
+ }
+
+ return warn_code;
+}
+
+static ushort AscInitAsc1000Driver(ASC_DVC_VAR *asc_dvc)
+{
+ ushort warn_code;
+ PortAddr iop_base;
+
+ iop_base = asc_dvc->iop_base;
+ warn_code = 0;
+ if ((asc_dvc->dvc_cntl & ASC_CNTL_RESET_SCSI) &&
+ !(asc_dvc->init_state & ASC_INIT_RESET_SCSI_DONE)) {
+ AscResetChipAndScsiBus(asc_dvc);
+ mdelay(asc_dvc->scsi_reset_wait * 1000); /* XXX: msleep? */
+ }
+ asc_dvc->init_state |= ASC_INIT_STATE_BEG_LOAD_MC;
+ if (asc_dvc->err_code != 0)
+ return UW_ERR;
+ if (!AscFindSignature(asc_dvc->iop_base)) {
+ asc_dvc->err_code = ASC_IERR_BAD_SIGNATURE;
+ return warn_code;
+ }
+ AscDisableInterrupt(iop_base);
+ warn_code |= AscInitLram(asc_dvc);
+ if (asc_dvc->err_code != 0)
+ return UW_ERR;
+ ASC_DBG1(1, "AscInitAsc1000Driver: _asc_mcode_chksum 0x%lx\n",
+ (ulong)_asc_mcode_chksum);
+ if (AscLoadMicroCode(iop_base, 0, _asc_mcode_buf,
+ _asc_mcode_size) != _asc_mcode_chksum) {
+ asc_dvc->err_code |= ASC_IERR_MCODE_CHKSUM;
+ return warn_code;
+ }
+ warn_code |= AscInitMicroCodeVar(asc_dvc);
+ asc_dvc->init_state |= ASC_INIT_STATE_END_LOAD_MC;
+ AscEnableInterrupt(iop_base);
+ return warn_code;
+}
+
+/*
+ * Load the Microcode
+ *
+ * Write the microcode image to RISC memory starting at address 0.
+ *
+ * The microcode is stored compressed in the following format:
+ *
+ * 254 word (508 byte) table indexed by byte code followed
+ * by the following byte codes:
+ *
+ * 1-Byte Code:
+ * 00: Emit word 0 in table.
+ * 01: Emit word 1 in table.
+ * .
+ * FD: Emit word 253 in table.
+ *
+ * Multi-Byte Code:
+ * FE WW WW: (3 byte code) Word to emit is the next word WW WW.
+ * FF BB WW WW: (4 byte code) Emit BB count times next word WW WW.
+ *
+ * Returns 0 or an error if the checksum doesn't match
+ */
+static int AdvLoadMicrocode(AdvPortAddr iop_base, unsigned char *buf, int size,
+ int memsize, int chksum)
+{
+ int i, j, end, len = 0;
+ ADV_DCNT sum;
+
+ AdvWriteWordRegister(iop_base, IOPW_RAM_ADDR, 0);
+
+ for (i = 253 * 2; i < size; i++) {
+ if (buf[i] == 0xff) {
+ unsigned short word = (buf[i + 3] << 8) | buf[i + 2];
+ for (j = 0; j < buf[i + 1]; j++) {
+ AdvWriteWordAutoIncLram(iop_base, word);
+ len += 2;
+ }
+ i += 3;
+ } else if (buf[i] == 0xfe) {
+ unsigned short word = (buf[i + 2] << 8) | buf[i + 1];
+ AdvWriteWordAutoIncLram(iop_base, word);
+ i += 2;
+ len += 2;
+ } else {
+ unsigned char off = buf[i] * 2;
+ unsigned short word = (buf[off + 1] << 8) | buf[off];
+ AdvWriteWordAutoIncLram(iop_base, word);
+ len += 2;
+ }
+ }
+
+ end = len;
+
+ while (len < memsize) {
+ AdvWriteWordAutoIncLram(iop_base, 0);
+ len += 2;
+ }
+
+ /* Verify the microcode checksum. */
+ sum = 0;
+ AdvWriteWordRegister(iop_base, IOPW_RAM_ADDR, 0);
+
+ for (len = 0; len < end; len += 2) {
+ sum += AdvReadWordAutoIncLram(iop_base);
+ }
+
+ if (sum != chksum)
+ return ASC_IERR_MCODE_CHKSUM;
+
+ return 0;
+}
+
+/*
+ * DvcGetPhyAddr()
+ *
+ * Return the physical address of 'vaddr' and set '*lenp' to the
+ * number of physically contiguous bytes that follow 'vaddr'.
+ * 'flag' indicates the type of structure whose physical address
+ * is being translated.
+ *
+ * Note: Because Linux currently doesn't page the kernel and all
+ * kernel buffers are physically contiguous, leave '*lenp' unchanged.
+ */
+ADV_PADDR
+DvcGetPhyAddr(ADV_DVC_VAR *asc_dvc, ADV_SCSI_REQ_Q *scsiq,
+ uchar *vaddr, ADV_SDCNT *lenp, int flag)
+{
+ ADV_PADDR paddr = virt_to_bus(vaddr);
+
+ ASC_DBG4(4, "DvcGetPhyAddr: vaddr 0x%p, lenp 0x%p *lenp %lu, paddr 0x%lx\n",
+ vaddr, lenp, (ulong)*((ulong *)lenp), (ulong)paddr);
+
+ return paddr;
+}
+
+static void AdvBuildCarrierFreelist(struct adv_dvc_var *asc_dvc)
+{
+ ADV_CARR_T *carrp;
+ ADV_SDCNT buf_size;
+ ADV_PADDR carr_paddr;
+
+ BUG_ON(!asc_dvc->carrier_buf);
+
+ carrp = (ADV_CARR_T *) ADV_16BALIGN(asc_dvc->carrier_buf);
+ asc_dvc->carr_freelist = NULL;
+ if (carrp == asc_dvc->carrier_buf) {
+ buf_size = ADV_CARRIER_BUFSIZE;
+ } else {
+ buf_size = ADV_CARRIER_BUFSIZE - sizeof(ADV_CARR_T);
+ }
+
+ do {
+ /* Get physical address of the carrier 'carrp'. */
+ ADV_DCNT contig_len = sizeof(ADV_CARR_T);
+ carr_paddr = cpu_to_le32(DvcGetPhyAddr(asc_dvc, NULL,
+ (uchar *)carrp,
+ (ADV_SDCNT *)&contig_len,
+ ADV_IS_CARRIER_FLAG));
+
+ buf_size -= sizeof(ADV_CARR_T);
+
+ /*
+ * If the current carrier is not physically contiguous, then
+ * maybe there was a page crossing. Try the next carrier
+ * aligned start address.
+ */
+ if (contig_len < sizeof(ADV_CARR_T)) {
+ carrp++;
+ continue;
+ }
+
+ carrp->carr_pa = carr_paddr;
+ carrp->carr_va = cpu_to_le32(ADV_VADDR_TO_U32(carrp));
+
+ /*
+ * Insert the carrier at the beginning of the freelist.
+ */
+ carrp->next_vpa =
+ cpu_to_le32(ADV_VADDR_TO_U32(asc_dvc->carr_freelist));
+ asc_dvc->carr_freelist = carrp;
+
+ carrp++;
+ } while (buf_size > 0);
+}
+
+/*
+ * Send an idle command to the chip and wait for completion.
+ *
+ * Command completion is polled for once per microsecond.
+ *
+ * The function can be called from anywhere including an interrupt handler.
+ * But the function is not re-entrant, so it uses the DvcEnter/LeaveCritical()
+ * functions to prevent reentrancy.
+ *
+ * Return Values:
+ * ADV_TRUE - command completed successfully
+ * ADV_FALSE - command failed
+ * ADV_ERROR - command timed out
+ */
+static int
+AdvSendIdleCmd(ADV_DVC_VAR *asc_dvc,
+ ushort idle_cmd, ADV_DCNT idle_cmd_parameter)
+{
+ int result;
+ ADV_DCNT i, j;
+ AdvPortAddr iop_base;
+
+ iop_base = asc_dvc->iop_base;
+
+ /*
+ * Clear the idle command status which is set by the microcode
+ * to a non-zero value to indicate when the command is completed.
+ * The non-zero result is one of the IDLE_CMD_STATUS_* values
+ */
+ AdvWriteWordLram(iop_base, ASC_MC_IDLE_CMD_STATUS, (ushort)0);
+
+ /*
+ * Write the idle command value after the idle command parameter
+ * has been written to avoid a race condition. If the order is not
+ * followed, the microcode may process the idle command before the
+ * parameters have been written to LRAM.
+ */
+ AdvWriteDWordLramNoSwap(iop_base, ASC_MC_IDLE_CMD_PARAMETER,
+ cpu_to_le32(idle_cmd_parameter));
+ AdvWriteWordLram(iop_base, ASC_MC_IDLE_CMD, idle_cmd);
+
+ /*
+ * Tickle the RISC to tell it to process the idle command.
+ */
+ AdvWriteByteRegister(iop_base, IOPB_TICKLE, ADV_TICKLE_B);
+ if (asc_dvc->chip_type == ADV_CHIP_ASC3550) {
+ /*
+ * Clear the tickle value. In the ASC-3550 the RISC flag
+ * command 'clr_tickle_b' does not work unless the host
+ * value is cleared.
+ */
+ AdvWriteByteRegister(iop_base, IOPB_TICKLE, ADV_TICKLE_NOP);
+ }
+
+ /* Wait for up to 100 millisecond for the idle command to timeout. */
+ for (i = 0; i < SCSI_WAIT_100_MSEC; i++) {
+ /* Poll once each microsecond for command completion. */
+ for (j = 0; j < SCSI_US_PER_MSEC; j++) {
+ AdvReadWordLram(iop_base, ASC_MC_IDLE_CMD_STATUS,
+ result);
+ if (result != 0)
+ return result;
+ udelay(1);
+ }
+ }
+
+ BUG(); /* The idle command should never timeout. */
+ return ADV_ERROR;
+}
+
+/*
+ * Reset SCSI Bus and purge all outstanding requests.
+ *
+ * Return Value:
+ * ADV_TRUE(1) - All requests are purged and SCSI Bus is reset.
+ * ADV_FALSE(0) - Microcode command failed.
+ * ADV_ERROR(-1) - Microcode command timed-out. Microcode or IC
+ * may be hung which requires driver recovery.
+ */
+static int AdvResetSB(ADV_DVC_VAR *asc_dvc)
+{
+ int status;
+
+ /*
+ * Send the SCSI Bus Reset idle start idle command which asserts
+ * the SCSI Bus Reset signal.
+ */
+ status = AdvSendIdleCmd(asc_dvc, (ushort)IDLE_CMD_SCSI_RESET_START, 0L);
+ if (status != ADV_TRUE) {
+ return status;
+ }
+
+ /*
+ * Delay for the specified SCSI Bus Reset hold time.
+ *
+ * The hold time delay is done on the host because the RISC has no
+ * microsecond accurate timer.
+ */
+ udelay(ASC_SCSI_RESET_HOLD_TIME_US);
+
+ /*
+ * Send the SCSI Bus Reset end idle command which de-asserts
+ * the SCSI Bus Reset signal and purges any pending requests.
+ */
+ status = AdvSendIdleCmd(asc_dvc, (ushort)IDLE_CMD_SCSI_RESET_END, 0L);
+ if (status != ADV_TRUE) {
+ return status;
+ }
+
+ mdelay(asc_dvc->scsi_reset_wait * 1000); /* XXX: msleep? */
+
+ return status;
+}
+
+/*
+ * Initialize the ASC-3550.
+ *
+ * On failure set the ADV_DVC_VAR field 'err_code' and return ADV_ERROR.
+ *
+ * For a non-fatal error return a warning code. If there are no warnings
+ * then 0 is returned.
+ *
+ * Needed after initialization for error recovery.
+ */
+static int AdvInitAsc3550Driver(ADV_DVC_VAR *asc_dvc)
+{
+ AdvPortAddr iop_base;
+ ushort warn_code;
+ int begin_addr;
+ int end_addr;
+ ushort code_sum;
+ int word;
+ int i;
+ ushort scsi_cfg1;
+ uchar tid;
+ ushort bios_mem[ASC_MC_BIOSLEN / 2]; /* BIOS RISC Memory 0x40-0x8F. */
+ ushort wdtr_able = 0, sdtr_able, tagqng_able;
+ uchar max_cmd[ADV_MAX_TID + 1];
+
+ /* If there is already an error, don't continue. */
+ if (asc_dvc->err_code != 0)
+ return ADV_ERROR;
+
+ /*
+ * The caller must set 'chip_type' to ADV_CHIP_ASC3550.
+ */
+ if (asc_dvc->chip_type != ADV_CHIP_ASC3550) {
+ asc_dvc->err_code = ASC_IERR_BAD_CHIPTYPE;
+ return ADV_ERROR;
+ }
+
+ warn_code = 0;
+ iop_base = asc_dvc->iop_base;
+
+ /*
+ * Save the RISC memory BIOS region before writing the microcode.
+ * The BIOS may already be loaded and using its RISC LRAM region
+ * so its region must be saved and restored.
+ *
+ * Note: This code makes the assumption, which is currently true,
+ * that a chip reset does not clear RISC LRAM.
+ */
+ for (i = 0; i < ASC_MC_BIOSLEN / 2; i++) {
+ AdvReadWordLram(iop_base, ASC_MC_BIOSMEM + (2 * i),
+ bios_mem[i]);
+ }
+
+ /*
+ * Save current per TID negotiated values.
+ */
+ if (bios_mem[(ASC_MC_BIOS_SIGNATURE - ASC_MC_BIOSMEM) / 2] == 0x55AA) {
+ ushort bios_version, major, minor;
+
+ bios_version =
+ bios_mem[(ASC_MC_BIOS_VERSION - ASC_MC_BIOSMEM) / 2];
+ major = (bios_version >> 12) & 0xF;
+ minor = (bios_version >> 8) & 0xF;
+ if (major < 3 || (major == 3 && minor == 1)) {
+ /* BIOS 3.1 and earlier location of 'wdtr_able' variable. */
+ AdvReadWordLram(iop_base, 0x120, wdtr_able);
+ } else {
+ AdvReadWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able);
+ }
+ }
+ AdvReadWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able);
+ AdvReadWordLram(iop_base, ASC_MC_TAGQNG_ABLE, tagqng_able);
+ for (tid = 0; tid <= ADV_MAX_TID; tid++) {
+ AdvReadByteLram(iop_base, ASC_MC_NUMBER_OF_MAX_CMD + tid,
+ max_cmd[tid]);
+ }
+
+ asc_dvc->err_code = AdvLoadMicrocode(iop_base, _adv_asc3550_buf,
+ _adv_asc3550_size, ADV_3550_MEMSIZE,
+ _adv_asc3550_chksum);
+ if (asc_dvc->err_code)
+ return ADV_ERROR;
+
+ /*
+ * Restore the RISC memory BIOS region.
+ */
+ for (i = 0; i < ASC_MC_BIOSLEN / 2; i++) {
+ AdvWriteWordLram(iop_base, ASC_MC_BIOSMEM + (2 * i),
+ bios_mem[i]);
+ }
+
+ /*
+ * Calculate and write the microcode code checksum to the microcode
+ * code checksum location ASC_MC_CODE_CHK_SUM (0x2C).
+ */
+ AdvReadWordLram(iop_base, ASC_MC_CODE_BEGIN_ADDR, begin_addr);
+ AdvReadWordLram(iop_base, ASC_MC_CODE_END_ADDR, end_addr);
+ code_sum = 0;
+ AdvWriteWordRegister(iop_base, IOPW_RAM_ADDR, begin_addr);
+ for (word = begin_addr; word < end_addr; word += 2) {
+ code_sum += AdvReadWordAutoIncLram(iop_base);
+ }
+ AdvWriteWordLram(iop_base, ASC_MC_CODE_CHK_SUM, code_sum);
+
+ /*
+ * Read and save microcode version and date.
+ */
+ AdvReadWordLram(iop_base, ASC_MC_VERSION_DATE,
+ asc_dvc->cfg->mcode_date);
+ AdvReadWordLram(iop_base, ASC_MC_VERSION_NUM,
+ asc_dvc->cfg->mcode_version);
+
+ /*
+ * Set the chip type to indicate the ASC3550.
+ */
+ AdvWriteWordLram(iop_base, ASC_MC_CHIP_TYPE, ADV_CHIP_ASC3550);
+
+ /*
+ * If the PCI Configuration Command Register "Parity Error Response
+ * Control" Bit was clear (0), then set the microcode variable
+ * 'control_flag' CONTROL_FLAG_IGNORE_PERR flag to tell the microcode
+ * to ignore DMA parity errors.
+ */
+ if (asc_dvc->cfg->control_flag & CONTROL_FLAG_IGNORE_PERR) {
+ AdvReadWordLram(iop_base, ASC_MC_CONTROL_FLAG, word);
+ word |= CONTROL_FLAG_IGNORE_PERR;
+ AdvWriteWordLram(iop_base, ASC_MC_CONTROL_FLAG, word);
+ }
+
+ /*
+ * For ASC-3550, setting the START_CTL_EMFU [3:2] bits sets a FIFO
+ * threshold of 128 bytes. This register is only accessible to the host.
+ */
+ AdvWriteByteRegister(iop_base, IOPB_DMA_CFG0,
+ START_CTL_EMFU | READ_CMD_MRM);
+
+ /*
+ * Microcode operating variables for WDTR, SDTR, and command tag
+ * queuing will be set in slave_configure() based on what a
+ * device reports it is capable of in Inquiry byte 7.
+ *
+ * If SCSI Bus Resets have been disabled, then directly set
+ * SDTR and WDTR from the EEPROM configuration. This will allow
+ * the BIOS and warm boot to work without a SCSI bus hang on
+ * the Inquiry caused by host and target mismatched DTR values.
+ * Without the SCSI Bus Reset, before an Inquiry a device can't
+ * be assumed to be in Asynchronous, Narrow mode.
+ */
+ if ((asc_dvc->bios_ctrl & BIOS_CTRL_RESET_SCSI_BUS) == 0) {
+ AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE,
+ asc_dvc->wdtr_able);
+ AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE,
+ asc_dvc->sdtr_able);
+ }
+
+ /*
+ * Set microcode operating variables for SDTR_SPEED1, SDTR_SPEED2,
+ * SDTR_SPEED3, and SDTR_SPEED4 based on the ULTRA EEPROM per TID
+ * bitmask. These values determine the maximum SDTR speed negotiated
+ * with a device.
+ *
+ * The SDTR per TID bitmask overrides the SDTR_SPEED1, SDTR_SPEED2,
+ * SDTR_SPEED3, and SDTR_SPEED4 values so it is safe to set them
+ * without determining here whether the device supports SDTR.
+ *
+ * 4-bit speed SDTR speed name
+ * =========== ===============
+ * 0000b (0x0) SDTR disabled
+ * 0001b (0x1) 5 Mhz
+ * 0010b (0x2) 10 Mhz
+ * 0011b (0x3) 20 Mhz (Ultra)
+ * 0100b (0x4) 40 Mhz (LVD/Ultra2)
+ * 0101b (0x5) 80 Mhz (LVD2/Ultra3)
+ * 0110b (0x6) Undefined
+ * .
+ * 1111b (0xF) Undefined
+ */
+ word = 0;
+ for (tid = 0; tid <= ADV_MAX_TID; tid++) {
+ if (ADV_TID_TO_TIDMASK(tid) & asc_dvc->ultra_able) {
+ /* Set Ultra speed for TID 'tid'. */
+ word |= (0x3 << (4 * (tid % 4)));
+ } else {
+ /* Set Fast speed for TID 'tid'. */
+ word |= (0x2 << (4 * (tid % 4)));
+ }
+ if (tid == 3) { /* Check if done with sdtr_speed1. */
+ AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED1, word);
+ word = 0;
+ } else if (tid == 7) { /* Check if done with sdtr_speed2. */
+ AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED2, word);
+ word = 0;
+ } else if (tid == 11) { /* Check if done with sdtr_speed3. */
+ AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED3, word);
+ word = 0;
+ } else if (tid == 15) { /* Check if done with sdtr_speed4. */
+ AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED4, word);
+ /* End of loop. */
+ }
+ }
+
+ /*
+ * Set microcode operating variable for the disconnect per TID bitmask.
+ */
+ AdvWriteWordLram(iop_base, ASC_MC_DISC_ENABLE,
+ asc_dvc->cfg->disc_enable);
+
+ /*
+ * Set SCSI_CFG0 Microcode Default Value.
+ *
+ * The microcode will set the SCSI_CFG0 register using this value
+ * after it is started below.
+ */
+ AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SCSI_CFG0,
+ PARITY_EN | QUEUE_128 | SEL_TMO_LONG | OUR_ID_EN |
+ asc_dvc->chip_scsi_id);
+
+ /*
+ * Determine SCSI_CFG1 Microcode Default Value.
+ *
+ * The microcode will set the SCSI_CFG1 register using this value
+ * after it is started below.
+ */
+
+ /* Read current SCSI_CFG1 Register value. */
+ scsi_cfg1 = AdvReadWordRegister(iop_base, IOPW_SCSI_CFG1);
+
+ /*
+ * If all three connectors are in use, return an error.
+ */
+ if ((scsi_cfg1 & CABLE_ILLEGAL_A) == 0 ||
+ (scsi_cfg1 & CABLE_ILLEGAL_B) == 0) {
+ asc_dvc->err_code |= ASC_IERR_ILLEGAL_CONNECTION;
+ return ADV_ERROR;
+ }
+
+ /*
+ * If the internal narrow cable is reversed all of the SCSI_CTRL
+ * register signals will be set. Check for and return an error if
+ * this condition is found.
+ */
+ if ((AdvReadWordRegister(iop_base, IOPW_SCSI_CTRL) & 0x3F07) == 0x3F07) {
+ asc_dvc->err_code |= ASC_IERR_REVERSED_CABLE;
+ return ADV_ERROR;
+ }
+
+ /*
+ * If this is a differential board and a single-ended device
+ * is attached to one of the connectors, return an error.
+ */
+ if ((scsi_cfg1 & DIFF_MODE) && (scsi_cfg1 & DIFF_SENSE) == 0) {
+ asc_dvc->err_code |= ASC_IERR_SINGLE_END_DEVICE;
+ return ADV_ERROR;
+ }
+
+ /*
+ * If automatic termination control is enabled, then set the
+ * termination value based on a table listed in a_condor.h.
+ *
+ * If manual termination was specified with an EEPROM setting
+ * then 'termination' was set-up in AdvInitFrom3550EEPROM() and
+ * is ready to be 'ored' into SCSI_CFG1.
+ */
+ if (asc_dvc->cfg->termination == 0) {
+ /*
+ * The software always controls termination by setting TERM_CTL_SEL.
+ * If TERM_CTL_SEL were set to 0, the hardware would set termination.
+ */
+ asc_dvc->cfg->termination |= TERM_CTL_SEL;
+
+ switch (scsi_cfg1 & CABLE_DETECT) {
+ /* TERM_CTL_H: on, TERM_CTL_L: on */
+ case 0x3:
+ case 0x7:
+ case 0xB:
+ case 0xD:
+ case 0xE:
+ case 0xF:
+ asc_dvc->cfg->termination |= (TERM_CTL_H | TERM_CTL_L);
+ break;
+
+ /* TERM_CTL_H: on, TERM_CTL_L: off */
+ case 0x1:
+ case 0x5:
+ case 0x9:
+ case 0xA:
+ case 0xC:
+ asc_dvc->cfg->termination |= TERM_CTL_H;
+ break;
+
+ /* TERM_CTL_H: off, TERM_CTL_L: off */
+ case 0x2:
+ case 0x6:
+ break;
+ }
+ }
+
+ /*
+ * Clear any set TERM_CTL_H and TERM_CTL_L bits.
+ */
+ scsi_cfg1 &= ~TERM_CTL;
+
+ /*
+ * Invert the TERM_CTL_H and TERM_CTL_L bits and then
+ * set 'scsi_cfg1'. The TERM_POL bit does not need to be
+ * referenced, because the hardware internally inverts
+ * the Termination High and Low bits if TERM_POL is set.
+ */
+ scsi_cfg1 |= (TERM_CTL_SEL | (~asc_dvc->cfg->termination & TERM_CTL));
+
+ /*
+ * Set SCSI_CFG1 Microcode Default Value
+ *
+ * Set filter value and possibly modified termination control
+ * bits in the Microcode SCSI_CFG1 Register Value.
+ *
+ * The microcode will set the SCSI_CFG1 register using this value
+ * after it is started below.
+ */
+ AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SCSI_CFG1,
+ FLTR_DISABLE | scsi_cfg1);
+
+ /*
+ * Set MEM_CFG Microcode Default Value
+ *
+ * The microcode will set the MEM_CFG register using this value
+ * after it is started below.
+ *
+ * MEM_CFG may be accessed as a word or byte, but only bits 0-7
+ * are defined.
+ *
+ * ASC-3550 has 8KB internal memory.
+ */
+ AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_MEM_CFG,
+ BIOS_EN | RAM_SZ_8KB);
+
+ /*
+ * Set SEL_MASK Microcode Default Value
+ *
+ * The microcode will set the SEL_MASK register using this value
+ * after it is started below.
+ */
+ AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SEL_MASK,
+ ADV_TID_TO_TIDMASK(asc_dvc->chip_scsi_id));
+
+ AdvBuildCarrierFreelist(asc_dvc);
+
+ /*
+ * Set-up the Host->RISC Initiator Command Queue (ICQ).
+ */
+
+ if ((asc_dvc->icq_sp = asc_dvc->carr_freelist) == NULL) {
+ asc_dvc->err_code |= ASC_IERR_NO_CARRIER;
+ return ADV_ERROR;
+ }
+ asc_dvc->carr_freelist = (ADV_CARR_T *)
+ ADV_U32_TO_VADDR(le32_to_cpu(asc_dvc->icq_sp->next_vpa));
+
+ /*
+ * The first command issued will be placed in the stopper carrier.
+ */
+ asc_dvc->icq_sp->next_vpa = cpu_to_le32(ASC_CQ_STOPPER);
+
+ /*
+ * Set RISC ICQ physical address start value.
+ */
+ AdvWriteDWordLramNoSwap(iop_base, ASC_MC_ICQ, asc_dvc->icq_sp->carr_pa);
+
+ /*
+ * Set-up the RISC->Host Initiator Response Queue (IRQ).
+ */
+ if ((asc_dvc->irq_sp = asc_dvc->carr_freelist) == NULL) {
+ asc_dvc->err_code |= ASC_IERR_NO_CARRIER;
+ return ADV_ERROR;
+ }
+ asc_dvc->carr_freelist = (ADV_CARR_T *)
+ ADV_U32_TO_VADDR(le32_to_cpu(asc_dvc->irq_sp->next_vpa));
+
+ /*
+ * The first command completed by the RISC will be placed in
+ * the stopper.
+ *
+ * Note: Set 'next_vpa' to ASC_CQ_STOPPER. When the request is
+ * completed the RISC will set the ASC_RQ_STOPPER bit.
+ */
+ asc_dvc->irq_sp->next_vpa = cpu_to_le32(ASC_CQ_STOPPER);
+
+ /*
+ * Set RISC IRQ physical address start value.
+ */
+ AdvWriteDWordLramNoSwap(iop_base, ASC_MC_IRQ, asc_dvc->irq_sp->carr_pa);
+ asc_dvc->carr_pending_cnt = 0;
+
+ AdvWriteByteRegister(iop_base, IOPB_INTR_ENABLES,
+ (ADV_INTR_ENABLE_HOST_INTR |
+ ADV_INTR_ENABLE_GLOBAL_INTR));
+
+ AdvReadWordLram(iop_base, ASC_MC_CODE_BEGIN_ADDR, word);
+ AdvWriteWordRegister(iop_base, IOPW_PC, word);
+
+ /* finally, finally, gentlemen, start your engine */
+ AdvWriteWordRegister(iop_base, IOPW_RISC_CSR, ADV_RISC_CSR_RUN);
+
+ /*
+ * Reset the SCSI Bus if the EEPROM indicates that SCSI Bus
+ * Resets should be performed. The RISC has to be running
+ * to issue a SCSI Bus Reset.
+ */
+ if (asc_dvc->bios_ctrl & BIOS_CTRL_RESET_SCSI_BUS) {
+ /*
+ * If the BIOS Signature is present in memory, restore the
+ * BIOS Handshake Configuration Table and do not perform
+ * a SCSI Bus Reset.
+ */
+ if (bios_mem[(ASC_MC_BIOS_SIGNATURE - ASC_MC_BIOSMEM) / 2] ==
+ 0x55AA) {
+ /*
+ * Restore per TID negotiated values.
+ */
+ AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able);
+ AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able);
+ AdvWriteWordLram(iop_base, ASC_MC_TAGQNG_ABLE,
+ tagqng_able);
+ for (tid = 0; tid <= ADV_MAX_TID; tid++) {
+ AdvWriteByteLram(iop_base,
+ ASC_MC_NUMBER_OF_MAX_CMD + tid,
+ max_cmd[tid]);
+ }
+ } else {
+ if (AdvResetSB(asc_dvc) != ADV_TRUE) {
+ warn_code = ASC_WARN_BUSRESET_ERROR;
+ }
+ }
+ }
+
+ return warn_code;
+}
+
+/*
+ * Initialize the ASC-38C0800.
+ *
+ * On failure set the ADV_DVC_VAR field 'err_code' and return ADV_ERROR.
+ *
+ * For a non-fatal error return a warning code. If there are no warnings
+ * then 0 is returned.
+ *
+ * Needed after initialization for error recovery.
+ */
+static int AdvInitAsc38C0800Driver(ADV_DVC_VAR *asc_dvc)
+{
+ AdvPortAddr iop_base;
+ ushort warn_code;
+ int begin_addr;
+ int end_addr;
+ ushort code_sum;
+ int word;
+ int i;
+ ushort scsi_cfg1;
+ uchar byte;
+ uchar tid;
+ ushort bios_mem[ASC_MC_BIOSLEN / 2]; /* BIOS RISC Memory 0x40-0x8F. */
+ ushort wdtr_able, sdtr_able, tagqng_able;
+ uchar max_cmd[ADV_MAX_TID + 1];
+
+ /* If there is already an error, don't continue. */
+ if (asc_dvc->err_code != 0)
+ return ADV_ERROR;
+
+ /*
+ * The caller must set 'chip_type' to ADV_CHIP_ASC38C0800.
+ */
+ if (asc_dvc->chip_type != ADV_CHIP_ASC38C0800) {
+ asc_dvc->err_code = ASC_IERR_BAD_CHIPTYPE;
+ return ADV_ERROR;
+ }
+
+ warn_code = 0;
+ iop_base = asc_dvc->iop_base;
+
+ /*
+ * Save the RISC memory BIOS region before writing the microcode.
+ * The BIOS may already be loaded and using its RISC LRAM region
+ * so its region must be saved and restored.
+ *
+ * Note: This code makes the assumption, which is currently true,
+ * that a chip reset does not clear RISC LRAM.
+ */
+ for (i = 0; i < ASC_MC_BIOSLEN / 2; i++) {
+ AdvReadWordLram(iop_base, ASC_MC_BIOSMEM + (2 * i),
+ bios_mem[i]);
+ }
+
+ /*
+ * Save current per TID negotiated values.
+ */
+ AdvReadWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able);
+ AdvReadWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able);
+ AdvReadWordLram(iop_base, ASC_MC_TAGQNG_ABLE, tagqng_able);
+ for (tid = 0; tid <= ADV_MAX_TID; tid++) {
+ AdvReadByteLram(iop_base, ASC_MC_NUMBER_OF_MAX_CMD + tid,
+ max_cmd[tid]);
+ }
+
+ /*
+ * RAM BIST (RAM Built-In Self Test)
+ *
+ * Address : I/O base + offset 0x38h register (byte).
+ * Function: Bit 7-6(RW) : RAM mode
+ * Normal Mode : 0x00
+ * Pre-test Mode : 0x40
+ * RAM Test Mode : 0x80
+ * Bit 5 : unused
+ * Bit 4(RO) : Done bit
+ * Bit 3-0(RO) : Status
+ * Host Error : 0x08
+ * Int_RAM Error : 0x04
+ * RISC Error : 0x02
+ * SCSI Error : 0x01
+ * No Error : 0x00
+ *
+ * Note: RAM BIST code should be put right here, before loading the
+ * microcode and after saving the RISC memory BIOS region.
+ */
+
+ /*
+ * LRAM Pre-test
+ *
+ * Write PRE_TEST_MODE (0x40) to register and wait for 10 milliseconds.
+ * If Done bit not set or low nibble not PRE_TEST_VALUE (0x05), return
+ * an error. Reset to NORMAL_MODE (0x00) and do again. If cannot reset
+ * to NORMAL_MODE, return an error too.
+ */
+ for (i = 0; i < 2; i++) {
+ AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, PRE_TEST_MODE);
+ mdelay(10); /* Wait for 10ms before reading back. */
+ byte = AdvReadByteRegister(iop_base, IOPB_RAM_BIST);
+ if ((byte & RAM_TEST_DONE) == 0
+ || (byte & 0x0F) != PRE_TEST_VALUE) {
+ asc_dvc->err_code = ASC_IERR_BIST_PRE_TEST;
+ return ADV_ERROR;
+ }
+
+ AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, NORMAL_MODE);
+ mdelay(10); /* Wait for 10ms before reading back. */
+ if (AdvReadByteRegister(iop_base, IOPB_RAM_BIST)
+ != NORMAL_VALUE) {
+ asc_dvc->err_code = ASC_IERR_BIST_PRE_TEST;
+ return ADV_ERROR;
+ }
+ }
+
+ /*
+ * LRAM Test - It takes about 1.5 ms to run through the test.
+ *
+ * Write RAM_TEST_MODE (0x80) to register and wait for 10 milliseconds.
+ * If Done bit not set or Status not 0, save register byte, set the
+ * err_code, and return an error.
+ */
+ AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, RAM_TEST_MODE);
+ mdelay(10); /* Wait for 10ms before checking status. */
+
+ byte = AdvReadByteRegister(iop_base, IOPB_RAM_BIST);
+ if ((byte & RAM_TEST_DONE) == 0 || (byte & RAM_TEST_STATUS) != 0) {
+ /* Get here if Done bit not set or Status not 0. */
+ asc_dvc->bist_err_code = byte; /* for BIOS display message */
+ asc_dvc->err_code = ASC_IERR_BIST_RAM_TEST;
+ return ADV_ERROR;
+ }
+
+ /* We need to reset back to normal mode after LRAM test passes. */
+ AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, NORMAL_MODE);
+
+ asc_dvc->err_code = AdvLoadMicrocode(iop_base, _adv_asc38C0800_buf,
+ _adv_asc38C0800_size, ADV_38C0800_MEMSIZE,
+ _adv_asc38C0800_chksum);
+ if (asc_dvc->err_code)
+ return ADV_ERROR;
+
+ /*
+ * Restore the RISC memory BIOS region.
+ */
+ for (i = 0; i < ASC_MC_BIOSLEN / 2; i++) {
+ AdvWriteWordLram(iop_base, ASC_MC_BIOSMEM + (2 * i),
+ bios_mem[i]);
+ }
+
+ /*
+ * Calculate and write the microcode code checksum to the microcode
+ * code checksum location ASC_MC_CODE_CHK_SUM (0x2C).
+ */
+ AdvReadWordLram(iop_base, ASC_MC_CODE_BEGIN_ADDR, begin_addr);
+ AdvReadWordLram(iop_base, ASC_MC_CODE_END_ADDR, end_addr);
+ code_sum = 0;
+ AdvWriteWordRegister(iop_base, IOPW_RAM_ADDR, begin_addr);
+ for (word = begin_addr; word < end_addr; word += 2) {
+ code_sum += AdvReadWordAutoIncLram(iop_base);
+ }
+ AdvWriteWordLram(iop_base, ASC_MC_CODE_CHK_SUM, code_sum);
+
+ /*
+ * Read microcode version and date.
+ */
+ AdvReadWordLram(iop_base, ASC_MC_VERSION_DATE,
+ asc_dvc->cfg->mcode_date);
+ AdvReadWordLram(iop_base, ASC_MC_VERSION_NUM,
+ asc_dvc->cfg->mcode_version);
+
+ /*
+ * Set the chip type to indicate the ASC38C0800.
+ */
+ AdvWriteWordLram(iop_base, ASC_MC_CHIP_TYPE, ADV_CHIP_ASC38C0800);
+
+ /*
+ * Write 1 to bit 14 'DIS_TERM_DRV' in the SCSI_CFG1 register.
+ * When DIS_TERM_DRV set to 1, C_DET[3:0] will reflect current
+ * cable detection and then we are able to read C_DET[3:0].
+ *
+ * Note: We will reset DIS_TERM_DRV to 0 in the 'Set SCSI_CFG1
+ * Microcode Default Value' section below.
+ */
+ scsi_cfg1 = AdvReadWordRegister(iop_base, IOPW_SCSI_CFG1);
+ AdvWriteWordRegister(iop_base, IOPW_SCSI_CFG1,
+ scsi_cfg1 | DIS_TERM_DRV);
+
+ /*
+ * If the PCI Configuration Command Register "Parity Error Response
+ * Control" Bit was clear (0), then set the microcode variable
+ * 'control_flag' CONTROL_FLAG_IGNORE_PERR flag to tell the microcode
+ * to ignore DMA parity errors.
+ */
+ if (asc_dvc->cfg->control_flag & CONTROL_FLAG_IGNORE_PERR) {
+ AdvReadWordLram(iop_base, ASC_MC_CONTROL_FLAG, word);
+ word |= CONTROL_FLAG_IGNORE_PERR;
+ AdvWriteWordLram(iop_base, ASC_MC_CONTROL_FLAG, word);
+ }
+
+ /*
+ * For ASC-38C0800, set FIFO_THRESH_80B [6:4] bits and START_CTL_TH [3:2]
+ * bits for the default FIFO threshold.
+ *
+ * Note: ASC-38C0800 FIFO threshold has been changed to 256 bytes.
+ *
+ * For DMA Errata #4 set the BC_THRESH_ENB bit.
+ */
+ AdvWriteByteRegister(iop_base, IOPB_DMA_CFG0,
+ BC_THRESH_ENB | FIFO_THRESH_80B | START_CTL_TH |
+ READ_CMD_MRM);
+
+ /*
+ * Microcode operating variables for WDTR, SDTR, and command tag
+ * queuing will be set in slave_configure() based on what a
+ * device reports it is capable of in Inquiry byte 7.
+ *
+ * If SCSI Bus Resets have been disabled, then directly set
+ * SDTR and WDTR from the EEPROM configuration. This will allow
+ * the BIOS and warm boot to work without a SCSI bus hang on
+ * the Inquiry caused by host and target mismatched DTR values.
+ * Without the SCSI Bus Reset, before an Inquiry a device can't
+ * be assumed to be in Asynchronous, Narrow mode.
+ */
+ if ((asc_dvc->bios_ctrl & BIOS_CTRL_RESET_SCSI_BUS) == 0) {
+ AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE,
+ asc_dvc->wdtr_able);
+ AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE,
+ asc_dvc->sdtr_able);
+ }
+
+ /*
+ * Set microcode operating variables for DISC and SDTR_SPEED1,
+ * SDTR_SPEED2, SDTR_SPEED3, and SDTR_SPEED4 based on the EEPROM
+ * configuration values.
+ *
+ * The SDTR per TID bitmask overrides the SDTR_SPEED1, SDTR_SPEED2,
+ * SDTR_SPEED3, and SDTR_SPEED4 values so it is safe to set them
+ * without determining here whether the device supports SDTR.
+ */
+ AdvWriteWordLram(iop_base, ASC_MC_DISC_ENABLE,
+ asc_dvc->cfg->disc_enable);
+ AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED1, asc_dvc->sdtr_speed1);
+ AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED2, asc_dvc->sdtr_speed2);
+ AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED3, asc_dvc->sdtr_speed3);
+ AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED4, asc_dvc->sdtr_speed4);
+
+ /*
+ * Set SCSI_CFG0 Microcode Default Value.
+ *
+ * The microcode will set the SCSI_CFG0 register using this value
+ * after it is started below.
+ */
+ AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SCSI_CFG0,
+ PARITY_EN | QUEUE_128 | SEL_TMO_LONG | OUR_ID_EN |
+ asc_dvc->chip_scsi_id);
+
+ /*
+ * Determine SCSI_CFG1 Microcode Default Value.
+ *
+ * The microcode will set the SCSI_CFG1 register using this value
+ * after it is started below.
+ */
+
+ /* Read current SCSI_CFG1 Register value. */
+ scsi_cfg1 = AdvReadWordRegister(iop_base, IOPW_SCSI_CFG1);
+
+ /*
+ * If the internal narrow cable is reversed all of the SCSI_CTRL
+ * register signals will be set. Check for and return an error if
+ * this condition is found.
+ */
+ if ((AdvReadWordRegister(iop_base, IOPW_SCSI_CTRL) & 0x3F07) == 0x3F07) {
+ asc_dvc->err_code |= ASC_IERR_REVERSED_CABLE;
+ return ADV_ERROR;
+ }
+
+ /*
+ * All kind of combinations of devices attached to one of four
+ * connectors are acceptable except HVD device attached. For example,
+ * LVD device can be attached to SE connector while SE device attached
+ * to LVD connector. If LVD device attached to SE connector, it only
+ * runs up to Ultra speed.
+ *
+ * If an HVD device is attached to one of LVD connectors, return an
+ * error. However, there is no way to detect HVD device attached to
+ * SE connectors.
+ */
+ if (scsi_cfg1 & HVD) {
+ asc_dvc->err_code = ASC_IERR_HVD_DEVICE;
+ return ADV_ERROR;
+ }
+
+ /*
+ * If either SE or LVD automatic termination control is enabled, then
+ * set the termination value based on a table listed in a_condor.h.
+ *
+ * If manual termination was specified with an EEPROM setting then
+ * 'termination' was set-up in AdvInitFrom38C0800EEPROM() and is ready
+ * to be 'ored' into SCSI_CFG1.
+ */
+ if ((asc_dvc->cfg->termination & TERM_SE) == 0) {
+ /* SE automatic termination control is enabled. */
+ switch (scsi_cfg1 & C_DET_SE) {
+ /* TERM_SE_HI: on, TERM_SE_LO: on */
+ case 0x1:
+ case 0x2:
+ case 0x3:
+ asc_dvc->cfg->termination |= TERM_SE;
+ break;
+
+ /* TERM_SE_HI: on, TERM_SE_LO: off */
+ case 0x0:
+ asc_dvc->cfg->termination |= TERM_SE_HI;
+ break;
+ }
+ }
+
+ if ((asc_dvc->cfg->termination & TERM_LVD) == 0) {
+ /* LVD automatic termination control is enabled. */
+ switch (scsi_cfg1 & C_DET_LVD) {
+ /* TERM_LVD_HI: on, TERM_LVD_LO: on */
+ case 0x4:
+ case 0x8:
+ case 0xC:
+ asc_dvc->cfg->termination |= TERM_LVD;
+ break;
+
+ /* TERM_LVD_HI: off, TERM_LVD_LO: off */
+ case 0x0:
+ break;
+ }
+ }
+
+ /*
+ * Clear any set TERM_SE and TERM_LVD bits.
+ */
+ scsi_cfg1 &= (~TERM_SE & ~TERM_LVD);
+
+ /*
+ * Invert the TERM_SE and TERM_LVD bits and then set 'scsi_cfg1'.
+ */
+ scsi_cfg1 |= (~asc_dvc->cfg->termination & 0xF0);
+
+ /*
+ * Clear BIG_ENDIAN, DIS_TERM_DRV, Terminator Polarity and HVD/LVD/SE
+ * bits and set possibly modified termination control bits in the
+ * Microcode SCSI_CFG1 Register Value.
+ */
+ scsi_cfg1 &= (~BIG_ENDIAN & ~DIS_TERM_DRV & ~TERM_POL & ~HVD_LVD_SE);
+
+ /*
+ * Set SCSI_CFG1 Microcode Default Value
+ *
+ * Set possibly modified termination control and reset DIS_TERM_DRV
+ * bits in the Microcode SCSI_CFG1 Register Value.
+ *
+ * The microcode will set the SCSI_CFG1 register using this value
+ * after it is started below.
+ */
+ AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SCSI_CFG1, scsi_cfg1);
+
+ /*
+ * Set MEM_CFG Microcode Default Value
+ *
+ * The microcode will set the MEM_CFG register using this value
+ * after it is started below.
+ *
+ * MEM_CFG may be accessed as a word or byte, but only bits 0-7
+ * are defined.
+ *
+ * ASC-38C0800 has 16KB internal memory.
+ */
+ AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_MEM_CFG,
+ BIOS_EN | RAM_SZ_16KB);
+
+ /*
+ * Set SEL_MASK Microcode Default Value
+ *
+ * The microcode will set the SEL_MASK register using this value
+ * after it is started below.
+ */
+ AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SEL_MASK,
+ ADV_TID_TO_TIDMASK(asc_dvc->chip_scsi_id));
+
+ AdvBuildCarrierFreelist(asc_dvc);
+
+ /*
+ * Set-up the Host->RISC Initiator Command Queue (ICQ).
+ */
+
+ if ((asc_dvc->icq_sp = asc_dvc->carr_freelist) == NULL) {
+ asc_dvc->err_code |= ASC_IERR_NO_CARRIER;
+ return ADV_ERROR;
+ }
+ asc_dvc->carr_freelist = (ADV_CARR_T *)
+ ADV_U32_TO_VADDR(le32_to_cpu(asc_dvc->icq_sp->next_vpa));
+
+ /*
+ * The first command issued will be placed in the stopper carrier.
+ */
+ asc_dvc->icq_sp->next_vpa = cpu_to_le32(ASC_CQ_STOPPER);
+
+ /*
+ * Set RISC ICQ physical address start value.
+ * carr_pa is LE, must be native before write
+ */
+ AdvWriteDWordLramNoSwap(iop_base, ASC_MC_ICQ, asc_dvc->icq_sp->carr_pa);
+
+ /*
+ * Set-up the RISC->Host Initiator Response Queue (IRQ).
+ */
+ if ((asc_dvc->irq_sp = asc_dvc->carr_freelist) == NULL) {
+ asc_dvc->err_code |= ASC_IERR_NO_CARRIER;
+ return ADV_ERROR;
+ }
+ asc_dvc->carr_freelist = (ADV_CARR_T *)
+ ADV_U32_TO_VADDR(le32_to_cpu(asc_dvc->irq_sp->next_vpa));
+
+ /*
+ * The first command completed by the RISC will be placed in
+ * the stopper.
+ *
+ * Note: Set 'next_vpa' to ASC_CQ_STOPPER. When the request is
+ * completed the RISC will set the ASC_RQ_STOPPER bit.
+ */
+ asc_dvc->irq_sp->next_vpa = cpu_to_le32(ASC_CQ_STOPPER);
+
+ /*
+ * Set RISC IRQ physical address start value.
+ *
+ * carr_pa is LE, must be native before write *
+ */
+ AdvWriteDWordLramNoSwap(iop_base, ASC_MC_IRQ, asc_dvc->irq_sp->carr_pa);
+ asc_dvc->carr_pending_cnt = 0;
+
+ AdvWriteByteRegister(iop_base, IOPB_INTR_ENABLES,
+ (ADV_INTR_ENABLE_HOST_INTR |
+ ADV_INTR_ENABLE_GLOBAL_INTR));
+
+ AdvReadWordLram(iop_base, ASC_MC_CODE_BEGIN_ADDR, word);
+ AdvWriteWordRegister(iop_base, IOPW_PC, word);
+
+ /* finally, finally, gentlemen, start your engine */
+ AdvWriteWordRegister(iop_base, IOPW_RISC_CSR, ADV_RISC_CSR_RUN);
+
+ /*
+ * Reset the SCSI Bus if the EEPROM indicates that SCSI Bus
+ * Resets should be performed. The RISC has to be running
+ * to issue a SCSI Bus Reset.
+ */
+ if (asc_dvc->bios_ctrl & BIOS_CTRL_RESET_SCSI_BUS) {
+ /*
+ * If the BIOS Signature is present in memory, restore the
+ * BIOS Handshake Configuration Table and do not perform
+ * a SCSI Bus Reset.
+ */
+ if (bios_mem[(ASC_MC_BIOS_SIGNATURE - ASC_MC_BIOSMEM) / 2] ==
+ 0x55AA) {
+ /*
+ * Restore per TID negotiated values.
+ */
+ AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able);
+ AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able);
+ AdvWriteWordLram(iop_base, ASC_MC_TAGQNG_ABLE,
+ tagqng_able);
+ for (tid = 0; tid <= ADV_MAX_TID; tid++) {
+ AdvWriteByteLram(iop_base,
+ ASC_MC_NUMBER_OF_MAX_CMD + tid,
+ max_cmd[tid]);
+ }
+ } else {
+ if (AdvResetSB(asc_dvc) != ADV_TRUE) {
+ warn_code = ASC_WARN_BUSRESET_ERROR;
+ }
+ }
+ }
+
+ return warn_code;
+}
+
+/*
+ * Initialize the ASC-38C1600.
+ *
+ * On failure set the ASC_DVC_VAR field 'err_code' and return ADV_ERROR.
+ *
+ * For a non-fatal error return a warning code. If there are no warnings
+ * then 0 is returned.
+ *
+ * Needed after initialization for error recovery.
+ */
+static int AdvInitAsc38C1600Driver(ADV_DVC_VAR *asc_dvc)
+{
+ AdvPortAddr iop_base;
+ ushort warn_code;
+ int begin_addr;
+ int end_addr;
+ ushort code_sum;
+ long word;
+ int i;
+ ushort scsi_cfg1;
+ uchar byte;
+ uchar tid;
+ ushort bios_mem[ASC_MC_BIOSLEN / 2]; /* BIOS RISC Memory 0x40-0x8F. */
+ ushort wdtr_able, sdtr_able, ppr_able, tagqng_able;
+ uchar max_cmd[ASC_MAX_TID + 1];
+
+ /* If there is already an error, don't continue. */
+ if (asc_dvc->err_code != 0) {
+ return ADV_ERROR;
+ }
+
+ /*
+ * The caller must set 'chip_type' to ADV_CHIP_ASC38C1600.
+ */
+ if (asc_dvc->chip_type != ADV_CHIP_ASC38C1600) {
+ asc_dvc->err_code = ASC_IERR_BAD_CHIPTYPE;
+ return ADV_ERROR;
+ }
+
+ warn_code = 0;
+ iop_base = asc_dvc->iop_base;
+
+ /*
+ * Save the RISC memory BIOS region before writing the microcode.
+ * The BIOS may already be loaded and using its RISC LRAM region
+ * so its region must be saved and restored.
+ *
+ * Note: This code makes the assumption, which is currently true,
+ * that a chip reset does not clear RISC LRAM.
+ */
+ for (i = 0; i < ASC_MC_BIOSLEN / 2; i++) {
+ AdvReadWordLram(iop_base, ASC_MC_BIOSMEM + (2 * i),
+ bios_mem[i]);
+ }
+
+ /*
+ * Save current per TID negotiated values.
+ */
+ AdvReadWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able);
+ AdvReadWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able);
+ AdvReadWordLram(iop_base, ASC_MC_PPR_ABLE, ppr_able);
+ AdvReadWordLram(iop_base, ASC_MC_TAGQNG_ABLE, tagqng_able);
+ for (tid = 0; tid <= ASC_MAX_TID; tid++) {
+ AdvReadByteLram(iop_base, ASC_MC_NUMBER_OF_MAX_CMD + tid,
+ max_cmd[tid]);
+ }
+
+ /*
+ * RAM BIST (Built-In Self Test)
+ *
+ * Address : I/O base + offset 0x38h register (byte).
+ * Function: Bit 7-6(RW) : RAM mode
+ * Normal Mode : 0x00
+ * Pre-test Mode : 0x40
+ * RAM Test Mode : 0x80
+ * Bit 5 : unused
+ * Bit 4(RO) : Done bit
+ * Bit 3-0(RO) : Status
+ * Host Error : 0x08
+ * Int_RAM Error : 0x04
+ * RISC Error : 0x02
+ * SCSI Error : 0x01
+ * No Error : 0x00
+ *
+ * Note: RAM BIST code should be put right here, before loading the
+ * microcode and after saving the RISC memory BIOS region.
+ */
+
+ /*
+ * LRAM Pre-test
+ *
+ * Write PRE_TEST_MODE (0x40) to register and wait for 10 milliseconds.
+ * If Done bit not set or low nibble not PRE_TEST_VALUE (0x05), return
+ * an error. Reset to NORMAL_MODE (0x00) and do again. If cannot reset
+ * to NORMAL_MODE, return an error too.
+ */
+ for (i = 0; i < 2; i++) {
+ AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, PRE_TEST_MODE);
+ mdelay(10); /* Wait for 10ms before reading back. */
+ byte = AdvReadByteRegister(iop_base, IOPB_RAM_BIST);
+ if ((byte & RAM_TEST_DONE) == 0
+ || (byte & 0x0F) != PRE_TEST_VALUE) {
+ asc_dvc->err_code = ASC_IERR_BIST_PRE_TEST;
+ return ADV_ERROR;
+ }
+
+ AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, NORMAL_MODE);
+ mdelay(10); /* Wait for 10ms before reading back. */
+ if (AdvReadByteRegister(iop_base, IOPB_RAM_BIST)
+ != NORMAL_VALUE) {
+ asc_dvc->err_code = ASC_IERR_BIST_PRE_TEST;
+ return ADV_ERROR;
+ }
+ }
+
+ /*
+ * LRAM Test - It takes about 1.5 ms to run through the test.
+ *
+ * Write RAM_TEST_MODE (0x80) to register and wait for 10 milliseconds.
+ * If Done bit not set or Status not 0, save register byte, set the
+ * err_code, and return an error.
+ */
+ AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, RAM_TEST_MODE);
+ mdelay(10); /* Wait for 10ms before checking status. */
+
+ byte = AdvReadByteRegister(iop_base, IOPB_RAM_BIST);
+ if ((byte & RAM_TEST_DONE) == 0 || (byte & RAM_TEST_STATUS) != 0) {
+ /* Get here if Done bit not set or Status not 0. */
+ asc_dvc->bist_err_code = byte; /* for BIOS display message */
+ asc_dvc->err_code = ASC_IERR_BIST_RAM_TEST;
+ return ADV_ERROR;
+ }
+
+ /* We need to reset back to normal mode after LRAM test passes. */
+ AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, NORMAL_MODE);
+
+ asc_dvc->err_code = AdvLoadMicrocode(iop_base, _adv_asc38C1600_buf,
+ _adv_asc38C1600_size, ADV_38C1600_MEMSIZE,
+ _adv_asc38C1600_chksum);
+ if (asc_dvc->err_code)
+ return ADV_ERROR;
+
+ /*
+ * Restore the RISC memory BIOS region.
+ */
+ for (i = 0; i < ASC_MC_BIOSLEN / 2; i++) {
+ AdvWriteWordLram(iop_base, ASC_MC_BIOSMEM + (2 * i),
+ bios_mem[i]);
+ }
+
+ /*
+ * Calculate and write the microcode code checksum to the microcode
+ * code checksum location ASC_MC_CODE_CHK_SUM (0x2C).
+ */
+ AdvReadWordLram(iop_base, ASC_MC_CODE_BEGIN_ADDR, begin_addr);
+ AdvReadWordLram(iop_base, ASC_MC_CODE_END_ADDR, end_addr);
+ code_sum = 0;
+ AdvWriteWordRegister(iop_base, IOPW_RAM_ADDR, begin_addr);
+ for (word = begin_addr; word < end_addr; word += 2) {
+ code_sum += AdvReadWordAutoIncLram(iop_base);
+ }
+ AdvWriteWordLram(iop_base, ASC_MC_CODE_CHK_SUM, code_sum);
+
+ /*
+ * Read microcode version and date.
+ */
+ AdvReadWordLram(iop_base, ASC_MC_VERSION_DATE,
+ asc_dvc->cfg->mcode_date);
+ AdvReadWordLram(iop_base, ASC_MC_VERSION_NUM,
+ asc_dvc->cfg->mcode_version);
+
+ /*
+ * Set the chip type to indicate the ASC38C1600.
+ */
+ AdvWriteWordLram(iop_base, ASC_MC_CHIP_TYPE, ADV_CHIP_ASC38C1600);
+
+ /*
+ * Write 1 to bit 14 'DIS_TERM_DRV' in the SCSI_CFG1 register.
+ * When DIS_TERM_DRV set to 1, C_DET[3:0] will reflect current
+ * cable detection and then we are able to read C_DET[3:0].
+ *
+ * Note: We will reset DIS_TERM_DRV to 0 in the 'Set SCSI_CFG1
+ * Microcode Default Value' section below.
+ */
+ scsi_cfg1 = AdvReadWordRegister(iop_base, IOPW_SCSI_CFG1);
+ AdvWriteWordRegister(iop_base, IOPW_SCSI_CFG1,
+ scsi_cfg1 | DIS_TERM_DRV);
+
+ /*
+ * If the PCI Configuration Command Register "Parity Error Response
+ * Control" Bit was clear (0), then set the microcode variable
+ * 'control_flag' CONTROL_FLAG_IGNORE_PERR flag to tell the microcode
+ * to ignore DMA parity errors.
+ */
+ if (asc_dvc->cfg->control_flag & CONTROL_FLAG_IGNORE_PERR) {
+ AdvReadWordLram(iop_base, ASC_MC_CONTROL_FLAG, word);
+ word |= CONTROL_FLAG_IGNORE_PERR;
+ AdvWriteWordLram(iop_base, ASC_MC_CONTROL_FLAG, word);
+ }
+
+ /*
+ * If the BIOS control flag AIPP (Asynchronous Information
+ * Phase Protection) disable bit is not set, then set the firmware
+ * 'control_flag' CONTROL_FLAG_ENABLE_AIPP bit to enable
+ * AIPP checking and encoding.
+ */
+ if ((asc_dvc->bios_ctrl & BIOS_CTRL_AIPP_DIS) == 0) {
+ AdvReadWordLram(iop_base, ASC_MC_CONTROL_FLAG, word);
+ word |= CONTROL_FLAG_ENABLE_AIPP;
+ AdvWriteWordLram(iop_base, ASC_MC_CONTROL_FLAG, word);
+ }
+
+ /*
+ * For ASC-38C1600 use DMA_CFG0 default values: FIFO_THRESH_80B [6:4],
+ * and START_CTL_TH [3:2].
+ */
+ AdvWriteByteRegister(iop_base, IOPB_DMA_CFG0,
+ FIFO_THRESH_80B | START_CTL_TH | READ_CMD_MRM);
+
+ /*
+ * Microcode operating variables for WDTR, SDTR, and command tag
+ * queuing will be set in slave_configure() based on what a
+ * device reports it is capable of in Inquiry byte 7.
+ *
+ * If SCSI Bus Resets have been disabled, then directly set
+ * SDTR and WDTR from the EEPROM configuration. This will allow
+ * the BIOS and warm boot to work without a SCSI bus hang on
+ * the Inquiry caused by host and target mismatched DTR values.
+ * Without the SCSI Bus Reset, before an Inquiry a device can't
+ * be assumed to be in Asynchronous, Narrow mode.
+ */
+ if ((asc_dvc->bios_ctrl & BIOS_CTRL_RESET_SCSI_BUS) == 0) {
+ AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE,
+ asc_dvc->wdtr_able);
+ AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE,
+ asc_dvc->sdtr_able);
+ }
+
+ /*
+ * Set microcode operating variables for DISC and SDTR_SPEED1,
+ * SDTR_SPEED2, SDTR_SPEED3, and SDTR_SPEED4 based on the EEPROM
+ * configuration values.
+ *
+ * The SDTR per TID bitmask overrides the SDTR_SPEED1, SDTR_SPEED2,
+ * SDTR_SPEED3, and SDTR_SPEED4 values so it is safe to set them
+ * without determining here whether the device supports SDTR.
+ */
+ AdvWriteWordLram(iop_base, ASC_MC_DISC_ENABLE,
+ asc_dvc->cfg->disc_enable);
+ AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED1, asc_dvc->sdtr_speed1);
+ AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED2, asc_dvc->sdtr_speed2);
+ AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED3, asc_dvc->sdtr_speed3);
+ AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED4, asc_dvc->sdtr_speed4);
+
+ /*
+ * Set SCSI_CFG0 Microcode Default Value.
+ *
+ * The microcode will set the SCSI_CFG0 register using this value
+ * after it is started below.
+ */
+ AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SCSI_CFG0,
+ PARITY_EN | QUEUE_128 | SEL_TMO_LONG | OUR_ID_EN |
+ asc_dvc->chip_scsi_id);
+
+ /*
+ * Calculate SCSI_CFG1 Microcode Default Value.
+ *
+ * The microcode will set the SCSI_CFG1 register using this value
+ * after it is started below.
+ *
+ * Each ASC-38C1600 function has only two cable detect bits.
+ * The bus mode override bits are in IOPB_SOFT_OVER_WR.
+ */
+ scsi_cfg1 = AdvReadWordRegister(iop_base, IOPW_SCSI_CFG1);
+
+ /*
+ * If the cable is reversed all of the SCSI_CTRL register signals
+ * will be set. Check for and return an error if this condition is
+ * found.
+ */
+ if ((AdvReadWordRegister(iop_base, IOPW_SCSI_CTRL) & 0x3F07) == 0x3F07) {
+ asc_dvc->err_code |= ASC_IERR_REVERSED_CABLE;
+ return ADV_ERROR;
+ }
+
+ /*
+ * Each ASC-38C1600 function has two connectors. Only an HVD device
+ * can not be connected to either connector. An LVD device or SE device
+ * may be connected to either connecor. If an SE device is connected,
+ * then at most Ultra speed (20 Mhz) can be used on both connectors.
+ *
+ * If an HVD device is attached, return an error.
+ */
+ if (scsi_cfg1 & HVD) {
+ asc_dvc->err_code |= ASC_IERR_HVD_DEVICE;
+ return ADV_ERROR;
+ }
+
+ /*
+ * Each function in the ASC-38C1600 uses only the SE cable detect and
+ * termination because there are two connectors for each function. Each
+ * function may use either LVD or SE mode. Corresponding the SE automatic
+ * termination control EEPROM bits are used for each function. Each
+ * function has its own EEPROM. If SE automatic control is enabled for
+ * the function, then set the termination value based on a table listed
+ * in a_condor.h.
+ *
+ * If manual termination is specified in the EEPROM for the function,
+ * then 'termination' was set-up in AscInitFrom38C1600EEPROM() and is
+ * ready to be 'ored' into SCSI_CFG1.
+ */
+ if ((asc_dvc->cfg->termination & TERM_SE) == 0) {
+ struct pci_dev *pdev = adv_dvc_to_pdev(asc_dvc);
+ /* SE automatic termination control is enabled. */
+ switch (scsi_cfg1 & C_DET_SE) {
+ /* TERM_SE_HI: on, TERM_SE_LO: on */
+ case 0x1:
+ case 0x2:
+ case 0x3:
+ asc_dvc->cfg->termination |= TERM_SE;
+ break;
+
+ case 0x0:
+ if (PCI_FUNC(pdev->devfn) == 0) {
+ /* Function 0 - TERM_SE_HI: off, TERM_SE_LO: off */
+ } else {
+ /* Function 1 - TERM_SE_HI: on, TERM_SE_LO: off */
+ asc_dvc->cfg->termination |= TERM_SE_HI;
+ }
+ break;
+ }
+ }
+
+ /*
+ * Clear any set TERM_SE bits.
+ */
+ scsi_cfg1 &= ~TERM_SE;
+
+ /*
+ * Invert the TERM_SE bits and then set 'scsi_cfg1'.
+ */
+ scsi_cfg1 |= (~asc_dvc->cfg->termination & TERM_SE);
+
+ /*
+ * Clear Big Endian and Terminator Polarity bits and set possibly
+ * modified termination control bits in the Microcode SCSI_CFG1
+ * Register Value.
+ *
+ * Big Endian bit is not used even on big endian machines.
+ */
+ scsi_cfg1 &= (~BIG_ENDIAN & ~DIS_TERM_DRV & ~TERM_POL);
+
+ /*
+ * Set SCSI_CFG1 Microcode Default Value
+ *
+ * Set possibly modified termination control bits in the Microcode
+ * SCSI_CFG1 Register Value.
+ *
+ * The microcode will set the SCSI_CFG1 register using this value
+ * after it is started below.
+ */
+ AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SCSI_CFG1, scsi_cfg1);
+
+ /*
+ * Set MEM_CFG Microcode Default Value
+ *
+ * The microcode will set the MEM_CFG register using this value
+ * after it is started below.
+ *
+ * MEM_CFG may be accessed as a word or byte, but only bits 0-7
+ * are defined.
+ *
+ * ASC-38C1600 has 32KB internal memory.
+ *
+ * XXX - Since ASC38C1600 Rev.3 has a Local RAM failure issue, we come
+ * out a special 16K Adv Library and Microcode version. After the issue
+ * resolved, we should turn back to the 32K support. Both a_condor.h and
+ * mcode.sas files also need to be updated.
+ *
+ * AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_MEM_CFG,
+ * BIOS_EN | RAM_SZ_32KB);
+ */
+ AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_MEM_CFG,
+ BIOS_EN | RAM_SZ_16KB);
+
+ /*
+ * Set SEL_MASK Microcode Default Value
+ *
+ * The microcode will set the SEL_MASK register using this value
+ * after it is started below.
+ */
+ AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SEL_MASK,
+ ADV_TID_TO_TIDMASK(asc_dvc->chip_scsi_id));
+
+ AdvBuildCarrierFreelist(asc_dvc);
+
+ /*
+ * Set-up the Host->RISC Initiator Command Queue (ICQ).
+ */
+ if ((asc_dvc->icq_sp = asc_dvc->carr_freelist) == NULL) {
+ asc_dvc->err_code |= ASC_IERR_NO_CARRIER;
+ return ADV_ERROR;
+ }
+ asc_dvc->carr_freelist = (ADV_CARR_T *)
+ ADV_U32_TO_VADDR(le32_to_cpu(asc_dvc->icq_sp->next_vpa));
+
+ /*
+ * The first command issued will be placed in the stopper carrier.
+ */
+ asc_dvc->icq_sp->next_vpa = cpu_to_le32(ASC_CQ_STOPPER);
+
+ /*
+ * Set RISC ICQ physical address start value. Initialize the
+ * COMMA register to the same value otherwise the RISC will
+ * prematurely detect a command is available.
+ */
+ AdvWriteDWordLramNoSwap(iop_base, ASC_MC_ICQ, asc_dvc->icq_sp->carr_pa);
+ AdvWriteDWordRegister(iop_base, IOPDW_COMMA,
+ le32_to_cpu(asc_dvc->icq_sp->carr_pa));
+
+ /*
+ * Set-up the RISC->Host Initiator Response Queue (IRQ).
+ */
+ if ((asc_dvc->irq_sp = asc_dvc->carr_freelist) == NULL) {
+ asc_dvc->err_code |= ASC_IERR_NO_CARRIER;
+ return ADV_ERROR;
+ }
+ asc_dvc->carr_freelist = (ADV_CARR_T *)
+ ADV_U32_TO_VADDR(le32_to_cpu(asc_dvc->irq_sp->next_vpa));
+
+ /*
+ * The first command completed by the RISC will be placed in
+ * the stopper.
+ *
+ * Note: Set 'next_vpa' to ASC_CQ_STOPPER. When the request is
+ * completed the RISC will set the ASC_RQ_STOPPER bit.
+ */
+ asc_dvc->irq_sp->next_vpa = cpu_to_le32(ASC_CQ_STOPPER);
+
+ /*
+ * Set RISC IRQ physical address start value.
+ */
+ AdvWriteDWordLramNoSwap(iop_base, ASC_MC_IRQ, asc_dvc->irq_sp->carr_pa);
+ asc_dvc->carr_pending_cnt = 0;
+
+ AdvWriteByteRegister(iop_base, IOPB_INTR_ENABLES,
+ (ADV_INTR_ENABLE_HOST_INTR |
+ ADV_INTR_ENABLE_GLOBAL_INTR));
+ AdvReadWordLram(iop_base, ASC_MC_CODE_BEGIN_ADDR, word);
+ AdvWriteWordRegister(iop_base, IOPW_PC, word);
+
+ /* finally, finally, gentlemen, start your engine */
+ AdvWriteWordRegister(iop_base, IOPW_RISC_CSR, ADV_RISC_CSR_RUN);
+
+ /*
+ * Reset the SCSI Bus if the EEPROM indicates that SCSI Bus
+ * Resets should be performed. The RISC has to be running
+ * to issue a SCSI Bus Reset.
+ */
+ if (asc_dvc->bios_ctrl & BIOS_CTRL_RESET_SCSI_BUS) {
+ /*
+ * If the BIOS Signature is present in memory, restore the
+ * per TID microcode operating variables.
+ */
+ if (bios_mem[(ASC_MC_BIOS_SIGNATURE - ASC_MC_BIOSMEM) / 2] ==
+ 0x55AA) {
+ /*
+ * Restore per TID negotiated values.
+ */
+ AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able);
+ AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able);
+ AdvWriteWordLram(iop_base, ASC_MC_PPR_ABLE, ppr_able);
+ AdvWriteWordLram(iop_base, ASC_MC_TAGQNG_ABLE,
+ tagqng_able);
+ for (tid = 0; tid <= ASC_MAX_TID; tid++) {
+ AdvWriteByteLram(iop_base,
+ ASC_MC_NUMBER_OF_MAX_CMD + tid,
+ max_cmd[tid]);
+ }
+ } else {
+ if (AdvResetSB(asc_dvc) != ADV_TRUE) {
+ warn_code = ASC_WARN_BUSRESET_ERROR;
+ }
+ }
+ }
+
+ return warn_code;
+}
+
+/*
+ * Reset chip and SCSI Bus.
+ *
+ * Return Value:
+ * ADV_TRUE(1) - Chip re-initialization and SCSI Bus Reset successful.
+ * ADV_FALSE(0) - Chip re-initialization and SCSI Bus Reset failure.
+ */
+static int AdvResetChipAndSB(ADV_DVC_VAR *asc_dvc)
+{
+ int status;
+ ushort wdtr_able, sdtr_able, tagqng_able;
+ ushort ppr_able = 0;
+ uchar tid, max_cmd[ADV_MAX_TID + 1];
+ AdvPortAddr iop_base;
+ ushort bios_sig;
+
+ iop_base = asc_dvc->iop_base;
+
+ /*
+ * Save current per TID negotiated values.
+ */
+ AdvReadWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able);
+ AdvReadWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able);
+ if (asc_dvc->chip_type == ADV_CHIP_ASC38C1600) {
+ AdvReadWordLram(iop_base, ASC_MC_PPR_ABLE, ppr_able);
+ }
+ AdvReadWordLram(iop_base, ASC_MC_TAGQNG_ABLE, tagqng_able);
+ for (tid = 0; tid <= ADV_MAX_TID; tid++) {
+ AdvReadByteLram(iop_base, ASC_MC_NUMBER_OF_MAX_CMD + tid,
+ max_cmd[tid]);
+ }
+
+ /*
+ * Force the AdvInitAsc3550/38C0800Driver() function to
+ * perform a SCSI Bus Reset by clearing the BIOS signature word.
+ * The initialization functions assumes a SCSI Bus Reset is not
+ * needed if the BIOS signature word is present.
+ */
+ AdvReadWordLram(iop_base, ASC_MC_BIOS_SIGNATURE, bios_sig);
+ AdvWriteWordLram(iop_base, ASC_MC_BIOS_SIGNATURE, 0);
+
+ /*
+ * Stop chip and reset it.
+ */
+ AdvWriteWordRegister(iop_base, IOPW_RISC_CSR, ADV_RISC_CSR_STOP);
+ AdvWriteWordRegister(iop_base, IOPW_CTRL_REG, ADV_CTRL_REG_CMD_RESET);
+ mdelay(100);
+ AdvWriteWordRegister(iop_base, IOPW_CTRL_REG,
+ ADV_CTRL_REG_CMD_WR_IO_REG);
+
+ /*
+ * Reset Adv Library error code, if any, and try
+ * re-initializing the chip.
+ */
+ asc_dvc->err_code = 0;
+ if (asc_dvc->chip_type == ADV_CHIP_ASC38C1600) {
+ status = AdvInitAsc38C1600Driver(asc_dvc);
+ } else if (asc_dvc->chip_type == ADV_CHIP_ASC38C0800) {
+ status = AdvInitAsc38C0800Driver(asc_dvc);
+ } else {
+ status = AdvInitAsc3550Driver(asc_dvc);
+ }
+
+ /* Translate initialization return value to status value. */
+ if (status == 0) {
+ status = ADV_TRUE;
+ } else {
+ status = ADV_FALSE;
+ }
+
+ /*
+ * Restore the BIOS signature word.
+ */
+ AdvWriteWordLram(iop_base, ASC_MC_BIOS_SIGNATURE, bios_sig);
+
+ /*
+ * Restore per TID negotiated values.
+ */
+ AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able);
+ AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able);
+ if (asc_dvc->chip_type == ADV_CHIP_ASC38C1600) {
+ AdvWriteWordLram(iop_base, ASC_MC_PPR_ABLE, ppr_able);
+ }
+ AdvWriteWordLram(iop_base, ASC_MC_TAGQNG_ABLE, tagqng_able);
+ for (tid = 0; tid <= ADV_MAX_TID; tid++) {
+ AdvWriteByteLram(iop_base, ASC_MC_NUMBER_OF_MAX_CMD + tid,
+ max_cmd[tid]);
+ }
+
+ return status;
+}
+
+/*
+ * adv_async_callback() - Adv Library asynchronous event callback function.
+ */
+static void adv_async_callback(ADV_DVC_VAR *adv_dvc_varp, uchar code)
+{
+ switch (code) {
+ case ADV_ASYNC_SCSI_BUS_RESET_DET:
+ /*
+ * The firmware detected a SCSI Bus reset.
+ */
+ ASC_DBG(0,
+ "adv_async_callback: ADV_ASYNC_SCSI_BUS_RESET_DET\n");
+ break;
+
+ case ADV_ASYNC_RDMA_FAILURE:
+ /*
+ * Handle RDMA failure by resetting the SCSI Bus and
+ * possibly the chip if it is unresponsive. Log the error
+ * with a unique code.
+ */
+ ASC_DBG(0, "adv_async_callback: ADV_ASYNC_RDMA_FAILURE\n");
+ AdvResetChipAndSB(adv_dvc_varp);
+ break;
+
+ case ADV_HOST_SCSI_BUS_RESET:
+ /*
+ * Host generated SCSI bus reset occurred.
+ */
+ ASC_DBG(0, "adv_async_callback: ADV_HOST_SCSI_BUS_RESET\n");
+ break;
+
+ default:
+ ASC_DBG1(0, "DvcAsyncCallBack: unknown code 0x%x\n", code);
+ break;
+ }
+}
+
+/*
+ * adv_isr_callback() - Second Level Interrupt Handler called by AdvISR().
+ *
+ * Callback function for the Wide SCSI Adv Library.
+ */
+static void adv_isr_callback(ADV_DVC_VAR *adv_dvc_varp, ADV_SCSI_REQ_Q *scsiqp)
+{
+ asc_board_t *boardp;
+ adv_req_t *reqp;
+ adv_sgblk_t *sgblkp;
+ struct scsi_cmnd *scp;
+ struct Scsi_Host *shost;
+ ADV_DCNT resid_cnt;
+
+ ASC_DBG2(1, "adv_isr_callback: adv_dvc_varp 0x%lx, scsiqp 0x%lx\n",
+ (ulong)adv_dvc_varp, (ulong)scsiqp);
+ ASC_DBG_PRT_ADV_SCSI_REQ_Q(2, scsiqp);
+
+ /*
+ * Get the adv_req_t structure for the command that has been
+ * completed. The adv_req_t structure actually contains the
+ * completed ADV_SCSI_REQ_Q structure.
+ */
+ reqp = (adv_req_t *)ADV_U32_TO_VADDR(scsiqp->srb_ptr);
+ ASC_DBG1(1, "adv_isr_callback: reqp 0x%lx\n", (ulong)reqp);
+ if (reqp == NULL) {
+ ASC_PRINT("adv_isr_callback: reqp is NULL\n");
+ return;
+ }
+
+ /*
+ * Get the struct scsi_cmnd structure and Scsi_Host structure for the
+ * command that has been completed.
+ *
+ * Note: The adv_req_t request structure and adv_sgblk_t structure,
+ * if any, are dropped, because a board structure pointer can not be
+ * determined.
+ */
+ scp = reqp->cmndp;
+ ASC_DBG1(1, "adv_isr_callback: scp 0x%lx\n", (ulong)scp);
+ if (scp == NULL) {
+ ASC_PRINT
+ ("adv_isr_callback: scp is NULL; adv_req_t dropped.\n");
+ return;
+ }
+ ASC_DBG_PRT_CDB(2, scp->cmnd, scp->cmd_len);
+
+ shost = scp->device->host;
+ ASC_STATS(shost, callback);
+ ASC_DBG1(1, "adv_isr_callback: shost 0x%lx\n", (ulong)shost);
+
+ boardp = ASC_BOARDP(shost);
+ BUG_ON(adv_dvc_varp != &boardp->dvc_var.adv_dvc_var);
+
+ /*
+ * 'done_status' contains the command's ending status.
+ */
+ switch (scsiqp->done_status) {
+ case QD_NO_ERROR:
+ ASC_DBG(2, "adv_isr_callback: QD_NO_ERROR\n");
+ scp->result = 0;
+
+ /*
+ * Check for an underrun condition.
+ *
+ * If there was no error and an underrun condition, then
+ * then return the number of underrun bytes.
+ */
+ resid_cnt = le32_to_cpu(scsiqp->data_cnt);
+ if (scp->request_bufflen != 0 && resid_cnt != 0 &&
+ resid_cnt <= scp->request_bufflen) {
+ ASC_DBG1(1,
+ "adv_isr_callback: underrun condition %lu bytes\n",
+ (ulong)resid_cnt);
+ scp->resid = resid_cnt;
+ }
+ break;
+
+ case QD_WITH_ERROR:
+ ASC_DBG(2, "adv_isr_callback: QD_WITH_ERROR\n");
+ switch (scsiqp->host_status) {
+ case QHSTA_NO_ERROR:
+ if (scsiqp->scsi_status == SAM_STAT_CHECK_CONDITION) {
+ ASC_DBG(2,
+ "adv_isr_callback: SAM_STAT_CHECK_CONDITION\n");
+ ASC_DBG_PRT_SENSE(2, scp->sense_buffer,
+ sizeof(scp->sense_buffer));
+ /*
+ * Note: The 'status_byte()' macro used by
+ * target drivers defined in scsi.h shifts the
+ * status byte returned by host drivers right
+ * by 1 bit. This is why target drivers also
+ * use right shifted status byte definitions.
+ * For instance target drivers use
+ * CHECK_CONDITION, defined to 0x1, instead of
+ * the SCSI defined check condition value of
+ * 0x2. Host drivers are supposed to return
+ * the status byte as it is defined by SCSI.
+ */
+ scp->result = DRIVER_BYTE(DRIVER_SENSE) |
+ STATUS_BYTE(scsiqp->scsi_status);
+ } else {
+ scp->result = STATUS_BYTE(scsiqp->scsi_status);
+ }
+ break;
+
+ default:
+ /* Some other QHSTA error occurred. */
+ ASC_DBG1(1, "adv_isr_callback: host_status 0x%x\n",
+ scsiqp->host_status);
+ scp->result = HOST_BYTE(DID_BAD_TARGET);
+ break;
+ }
+ break;
+
+ case QD_ABORTED_BY_HOST:
+ ASC_DBG(1, "adv_isr_callback: QD_ABORTED_BY_HOST\n");
+ scp->result =
+ HOST_BYTE(DID_ABORT) | STATUS_BYTE(scsiqp->scsi_status);
+ break;
+
+ default:
+ ASC_DBG1(1, "adv_isr_callback: done_status 0x%x\n",
+ scsiqp->done_status);
+ scp->result =
+ HOST_BYTE(DID_ERROR) | STATUS_BYTE(scsiqp->scsi_status);
+ break;
+ }
+
+ /*
+ * If the 'init_tidmask' bit isn't already set for the target and the
+ * current request finished normally, then set the bit for the target
+ * to indicate that a device is present.
+ */
+ if ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(scp->device->id)) == 0 &&
+ scsiqp->done_status == QD_NO_ERROR &&
+ scsiqp->host_status == QHSTA_NO_ERROR) {
+ boardp->init_tidmask |= ADV_TID_TO_TIDMASK(scp->device->id);
+ }
+
+ asc_scsi_done(scp);
+
+ /*
+ * Free all 'adv_sgblk_t' structures allocated for the request.
+ */
+ while ((sgblkp = reqp->sgblkp) != NULL) {
+ /* Remove 'sgblkp' from the request list. */
+ reqp->sgblkp = sgblkp->next_sgblkp;
+
+ /* Add 'sgblkp' to the board free list. */
+ sgblkp->next_sgblkp = boardp->adv_sgblkp;
+ boardp->adv_sgblkp = sgblkp;
+ }
+
+ /*
+ * Free the adv_req_t structure used with the command by adding
+ * it back to the board free list.
+ */
+ reqp->next_reqp = boardp->adv_reqp;
+ boardp->adv_reqp = reqp;
+
+ ASC_DBG(1, "adv_isr_callback: done\n");
+
+ return;
+}
+
+/*
+ * Adv Library Interrupt Service Routine
+ *
+ * This function is called by a driver's interrupt service routine.
+ * The function disables and re-enables interrupts.
+ *
+ * When a microcode idle command is completed, the ADV_DVC_VAR
+ * 'idle_cmd_done' field is set to ADV_TRUE.
+ *
+ * Note: AdvISR() can be called when interrupts are disabled or even
+ * when there is no hardware interrupt condition present. It will
+ * always check for completed idle commands and microcode requests.
+ * This is an important feature that shouldn't be changed because it
+ * allows commands to be completed from polling mode loops.
+ *
+ * Return:
+ * ADV_TRUE(1) - interrupt was pending
+ * ADV_FALSE(0) - no interrupt was pending
+ */
+static int AdvISR(ADV_DVC_VAR *asc_dvc)
+{
+ AdvPortAddr iop_base;
+ uchar int_stat;
+ ushort target_bit;
+ ADV_CARR_T *free_carrp;
+ ADV_VADDR irq_next_vpa;
+ ADV_SCSI_REQ_Q *scsiq;
+
+ iop_base = asc_dvc->iop_base;
+
+ /* Reading the register clears the interrupt. */
+ int_stat = AdvReadByteRegister(iop_base, IOPB_INTR_STATUS_REG);
+
+ if ((int_stat & (ADV_INTR_STATUS_INTRA | ADV_INTR_STATUS_INTRB |
+ ADV_INTR_STATUS_INTRC)) == 0) {
+ return ADV_FALSE;
+ }
+
+ /*
+ * Notify the driver of an asynchronous microcode condition by
+ * calling the adv_async_callback function. The function
+ * is passed the microcode ASC_MC_INTRB_CODE byte value.
+ */
+ if (int_stat & ADV_INTR_STATUS_INTRB) {
+ uchar intrb_code;
+
+ AdvReadByteLram(iop_base, ASC_MC_INTRB_CODE, intrb_code);
+
+ if (asc_dvc->chip_type == ADV_CHIP_ASC3550 ||
+ asc_dvc->chip_type == ADV_CHIP_ASC38C0800) {
+ if (intrb_code == ADV_ASYNC_CARRIER_READY_FAILURE &&
+ asc_dvc->carr_pending_cnt != 0) {
+ AdvWriteByteRegister(iop_base, IOPB_TICKLE,
+ ADV_TICKLE_A);
+ if (asc_dvc->chip_type == ADV_CHIP_ASC3550) {
+ AdvWriteByteRegister(iop_base,
+ IOPB_TICKLE,
+ ADV_TICKLE_NOP);
+ }
+ }
+ }
+
+ adv_async_callback(asc_dvc, intrb_code);
+ }
+
+ /*
+ * Check if the IRQ stopper carrier contains a completed request.
+ */
+ while (((irq_next_vpa =
+ le32_to_cpu(asc_dvc->irq_sp->next_vpa)) & ASC_RQ_DONE) != 0) {
+ /*
+ * Get a pointer to the newly completed ADV_SCSI_REQ_Q structure.
+ * The RISC will have set 'areq_vpa' to a virtual address.
+ *
+ * The firmware will have copied the ASC_SCSI_REQ_Q.scsiq_ptr
+ * field to the carrier ADV_CARR_T.areq_vpa field. The conversion
+ * below complements the conversion of ASC_SCSI_REQ_Q.scsiq_ptr'
+ * in AdvExeScsiQueue().
+ */
+ scsiq = (ADV_SCSI_REQ_Q *)
+ ADV_U32_TO_VADDR(le32_to_cpu(asc_dvc->irq_sp->areq_vpa));
+
+ /*
+ * Request finished with good status and the queue was not
+ * DMAed to host memory by the firmware. Set all status fields
+ * to indicate good status.
+ */
+ if ((irq_next_vpa & ASC_RQ_GOOD) != 0) {
+ scsiq->done_status = QD_NO_ERROR;
+ scsiq->host_status = scsiq->scsi_status = 0;
+ scsiq->data_cnt = 0L;
+ }
+
+ /*
+ * Advance the stopper pointer to the next carrier
+ * ignoring the lower four bits. Free the previous
+ * stopper carrier.
+ */
+ free_carrp = asc_dvc->irq_sp;
+ asc_dvc->irq_sp = (ADV_CARR_T *)
+ ADV_U32_TO_VADDR(ASC_GET_CARRP(irq_next_vpa));
+
+ free_carrp->next_vpa =
+ cpu_to_le32(ADV_VADDR_TO_U32(asc_dvc->carr_freelist));
+ asc_dvc->carr_freelist = free_carrp;
+ asc_dvc->carr_pending_cnt--;
+
+ target_bit = ADV_TID_TO_TIDMASK(scsiq->target_id);
+
+ /*
+ * Clear request microcode control flag.
+ */
+ scsiq->cntl = 0;
+
+ /*
+ * Notify the driver of the completed request by passing
+ * the ADV_SCSI_REQ_Q pointer to its callback function.
+ */
+ scsiq->a_flag |= ADV_SCSIQ_DONE;
+ adv_isr_callback(asc_dvc, scsiq);
+ /*
+ * Note: After the driver callback function is called, 'scsiq'
+ * can no longer be referenced.
+ *
+ * Fall through and continue processing other completed
+ * requests...
+ */
+ }
+ return ADV_TRUE;
+}
+
+static int AscSetLibErrorCode(ASC_DVC_VAR *asc_dvc, ushort err_code)
+{
+ if (asc_dvc->err_code == 0) {
+ asc_dvc->err_code = err_code;
+ AscWriteLramWord(asc_dvc->iop_base, ASCV_ASCDVC_ERR_CODE_W,
+ err_code);
+ }
+ return err_code;
+}
+
+static void AscAckInterrupt(PortAddr iop_base)
+{
+ uchar host_flag;
+ uchar risc_flag;
+ ushort loop;
+
+ loop = 0;
+ do {
+ risc_flag = AscReadLramByte(iop_base, ASCV_RISC_FLAG_B);
+ if (loop++ > 0x7FFF) {
+ break;
+ }
+ } while ((risc_flag & ASC_RISC_FLAG_GEN_INT) != 0);
+ host_flag =
+ AscReadLramByte(iop_base,
+ ASCV_HOST_FLAG_B) & (~ASC_HOST_FLAG_ACK_INT);
+ AscWriteLramByte(iop_base, ASCV_HOST_FLAG_B,
+ (uchar)(host_flag | ASC_HOST_FLAG_ACK_INT));
+ AscSetChipStatus(iop_base, CIW_INT_ACK);
+ loop = 0;
+ while (AscGetChipStatus(iop_base) & CSW_INT_PENDING) {
+ AscSetChipStatus(iop_base, CIW_INT_ACK);
+ if (loop++ > 3) {
+ break;
+ }
+ }
+ AscWriteLramByte(iop_base, ASCV_HOST_FLAG_B, host_flag);
+ return;
+}
+
+static uchar AscGetSynPeriodIndex(ASC_DVC_VAR *asc_dvc, uchar syn_time)
+{
+ uchar *period_table;
+ int max_index;
+ int min_index;
+ int i;
+
+ period_table = asc_dvc->sdtr_period_tbl;
+ max_index = (int)asc_dvc->max_sdtr_index;
+ min_index = (int)asc_dvc->host_init_sdtr_index;
+ if ((syn_time <= period_table[max_index])) {
+ for (i = min_index; i < (max_index - 1); i++) {
+ if (syn_time <= period_table[i]) {
+ return (uchar)i;
+ }
+ }
+ return (uchar)max_index;
+ } else {
+ return (uchar)(max_index + 1);
+ }
+}
+
+static uchar
+AscMsgOutSDTR(ASC_DVC_VAR *asc_dvc, uchar sdtr_period, uchar sdtr_offset)
+{
+ EXT_MSG sdtr_buf;
+ uchar sdtr_period_index;
+ PortAddr iop_base;
+
+ iop_base = asc_dvc->iop_base;
+ sdtr_buf.msg_type = EXTENDED_MESSAGE;
+ sdtr_buf.msg_len = MS_SDTR_LEN;
+ sdtr_buf.msg_req = EXTENDED_SDTR;
+ sdtr_buf.xfer_period = sdtr_period;
+ sdtr_offset &= ASC_SYN_MAX_OFFSET;
+ sdtr_buf.req_ack_offset = sdtr_offset;
+ sdtr_period_index = AscGetSynPeriodIndex(asc_dvc, sdtr_period);
+ if (sdtr_period_index <= asc_dvc->max_sdtr_index) {
+ AscMemWordCopyPtrToLram(iop_base, ASCV_MSGOUT_BEG,
+ (uchar *)&sdtr_buf,
+ sizeof(EXT_MSG) >> 1);
+ return ((sdtr_period_index << 4) | sdtr_offset);
+ } else {
+ sdtr_buf.req_ack_offset = 0;
+ AscMemWordCopyPtrToLram(iop_base, ASCV_MSGOUT_BEG,
+ (uchar *)&sdtr_buf,
+ sizeof(EXT_MSG) >> 1);
+ return 0;
+ }
+}
+
+static uchar
+AscCalSDTRData(ASC_DVC_VAR *asc_dvc, uchar sdtr_period, uchar syn_offset)
+{
+ uchar byte;
+ uchar sdtr_period_ix;
+
+ sdtr_period_ix = AscGetSynPeriodIndex(asc_dvc, sdtr_period);
+ if (sdtr_period_ix > asc_dvc->max_sdtr_index) {
+ return 0xFF;
+ }
+ byte = (sdtr_period_ix << 4) | (syn_offset & ASC_SYN_MAX_OFFSET);
+ return byte;
+}
+
+static int AscSetChipSynRegAtID(PortAddr iop_base, uchar id, uchar sdtr_data)
+{
+ ASC_SCSI_BIT_ID_TYPE org_id;
+ int i;
+ int sta = TRUE;
+
+ AscSetBank(iop_base, 1);
+ org_id = AscReadChipDvcID(iop_base);
+ for (i = 0; i <= ASC_MAX_TID; i++) {
+ if (org_id == (0x01 << i))
+ break;
+ }
+ org_id = (ASC_SCSI_BIT_ID_TYPE) i;
+ AscWriteChipDvcID(iop_base, id);
+ if (AscReadChipDvcID(iop_base) == (0x01 << id)) {
+ AscSetBank(iop_base, 0);
+ AscSetChipSyn(iop_base, sdtr_data);
+ if (AscGetChipSyn(iop_base) != sdtr_data) {
+ sta = FALSE;
+ }
+ } else {
+ sta = FALSE;
+ }
+ AscSetBank(iop_base, 1);
+ AscWriteChipDvcID(iop_base, org_id);
+ AscSetBank(iop_base, 0);
+ return (sta);
+}
+
+static void AscSetChipSDTR(PortAddr iop_base, uchar sdtr_data, uchar tid_no)
+{
+ AscSetChipSynRegAtID(iop_base, tid_no, sdtr_data);
+ AscPutMCodeSDTRDoneAtID(iop_base, tid_no, sdtr_data);
+}
+
+static int AscIsrChipHalted(ASC_DVC_VAR *asc_dvc)
+{
+ EXT_MSG ext_msg;
+ EXT_MSG out_msg;
+ ushort halt_q_addr;
+ int sdtr_accept;
+ ushort int_halt_code;
+ ASC_SCSI_BIT_ID_TYPE scsi_busy;
+ ASC_SCSI_BIT_ID_TYPE target_id;
+ PortAddr iop_base;
+ uchar tag_code;
+ uchar q_status;
+ uchar halt_qp;
+ uchar sdtr_data;
+ uchar target_ix;
+ uchar q_cntl, tid_no;
+ uchar cur_dvc_qng;
+ uchar asyn_sdtr;
+ uchar scsi_status;
+ asc_board_t *boardp;
+
+ BUG_ON(!asc_dvc->drv_ptr);
+ boardp = asc_dvc->drv_ptr;
+
+ iop_base = asc_dvc->iop_base;
+ int_halt_code = AscReadLramWord(iop_base, ASCV_HALTCODE_W);
+
+ halt_qp = AscReadLramByte(iop_base, ASCV_CURCDB_B);
+ halt_q_addr = ASC_QNO_TO_QADDR(halt_qp);
+ target_ix = AscReadLramByte(iop_base,
+ (ushort)(halt_q_addr +
+ (ushort)ASC_SCSIQ_B_TARGET_IX));
+ q_cntl = AscReadLramByte(iop_base,
+ (ushort)(halt_q_addr + (ushort)ASC_SCSIQ_B_CNTL));
+ tid_no = ASC_TIX_TO_TID(target_ix);
+ target_id = (uchar)ASC_TID_TO_TARGET_ID(tid_no);
+ if (asc_dvc->pci_fix_asyn_xfer & target_id) {
+ asyn_sdtr = ASYN_SDTR_DATA_FIX_PCI_REV_AB;
+ } else {
+ asyn_sdtr = 0;
+ }
+ if (int_halt_code == ASC_HALT_DISABLE_ASYN_USE_SYN_FIX) {
+ if (asc_dvc->pci_fix_asyn_xfer & target_id) {
+ AscSetChipSDTR(iop_base, 0, tid_no);
+ boardp->sdtr_data[tid_no] = 0;
+ }
+ AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
+ return (0);
+ } else if (int_halt_code == ASC_HALT_ENABLE_ASYN_USE_SYN_FIX) {
+ if (asc_dvc->pci_fix_asyn_xfer & target_id) {
+ AscSetChipSDTR(iop_base, asyn_sdtr, tid_no);
+ boardp->sdtr_data[tid_no] = asyn_sdtr;
+ }
+ AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
+ return (0);
+ } else if (int_halt_code == ASC_HALT_EXTMSG_IN) {
+ AscMemWordCopyPtrFromLram(iop_base,
+ ASCV_MSGIN_BEG,
+ (uchar *)&ext_msg,
+ sizeof(EXT_MSG) >> 1);
+
+ if (ext_msg.msg_type == EXTENDED_MESSAGE &&
+ ext_msg.msg_req == EXTENDED_SDTR &&
+ ext_msg.msg_len == MS_SDTR_LEN) {
+ sdtr_accept = TRUE;
+ if ((ext_msg.req_ack_offset > ASC_SYN_MAX_OFFSET)) {
+
+ sdtr_accept = FALSE;
+ ext_msg.req_ack_offset = ASC_SYN_MAX_OFFSET;
+ }
+ if ((ext_msg.xfer_period <
+ asc_dvc->sdtr_period_tbl[asc_dvc->
+ host_init_sdtr_index])
+ || (ext_msg.xfer_period >
+ asc_dvc->sdtr_period_tbl[asc_dvc->
+ max_sdtr_index])) {
+ sdtr_accept = FALSE;
+ ext_msg.xfer_period =
+ asc_dvc->sdtr_period_tbl[asc_dvc->
+ host_init_sdtr_index];
+ }
+ if (sdtr_accept) {
+ sdtr_data =
+ AscCalSDTRData(asc_dvc, ext_msg.xfer_period,
+ ext_msg.req_ack_offset);
+ if ((sdtr_data == 0xFF)) {
+
+ q_cntl |= QC_MSG_OUT;
+ asc_dvc->init_sdtr &= ~target_id;
+ asc_dvc->sdtr_done &= ~target_id;
+ AscSetChipSDTR(iop_base, asyn_sdtr,
+ tid_no);
+ boardp->sdtr_data[tid_no] = asyn_sdtr;
+ }
+ }
+ if (ext_msg.req_ack_offset == 0) {
+
+ q_cntl &= ~QC_MSG_OUT;
+ asc_dvc->init_sdtr &= ~target_id;
+ asc_dvc->sdtr_done &= ~target_id;
+ AscSetChipSDTR(iop_base, asyn_sdtr, tid_no);
+ } else {
+ if (sdtr_accept && (q_cntl & QC_MSG_OUT)) {
+
+ q_cntl &= ~QC_MSG_OUT;
+ asc_dvc->sdtr_done |= target_id;
+ asc_dvc->init_sdtr |= target_id;
+ asc_dvc->pci_fix_asyn_xfer &=
+ ~target_id;
+ sdtr_data =
+ AscCalSDTRData(asc_dvc,
+ ext_msg.xfer_period,
+ ext_msg.
+ req_ack_offset);
+ AscSetChipSDTR(iop_base, sdtr_data,
+ tid_no);
+ boardp->sdtr_data[tid_no] = sdtr_data;
+ } else {
+
+ q_cntl |= QC_MSG_OUT;
+ AscMsgOutSDTR(asc_dvc,
+ ext_msg.xfer_period,
+ ext_msg.req_ack_offset);
+ asc_dvc->pci_fix_asyn_xfer &=
+ ~target_id;
+ sdtr_data =
+ AscCalSDTRData(asc_dvc,
+ ext_msg.xfer_period,
+ ext_msg.
+ req_ack_offset);
+ AscSetChipSDTR(iop_base, sdtr_data,
+ tid_no);
+ boardp->sdtr_data[tid_no] = sdtr_data;
+ asc_dvc->sdtr_done |= target_id;
+ asc_dvc->init_sdtr |= target_id;
+ }
+ }
+
+ AscWriteLramByte(iop_base,
+ (ushort)(halt_q_addr +
+ (ushort)ASC_SCSIQ_B_CNTL),
+ q_cntl);
+ AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
+ return (0);
+ } else if (ext_msg.msg_type == EXTENDED_MESSAGE &&
+ ext_msg.msg_req == EXTENDED_WDTR &&
+ ext_msg.msg_len == MS_WDTR_LEN) {
+
+ ext_msg.wdtr_width = 0;
+ AscMemWordCopyPtrToLram(iop_base,
+ ASCV_MSGOUT_BEG,
+ (uchar *)&ext_msg,
+ sizeof(EXT_MSG) >> 1);
+ q_cntl |= QC_MSG_OUT;
+ AscWriteLramByte(iop_base,
+ (ushort)(halt_q_addr +
+ (ushort)ASC_SCSIQ_B_CNTL),
+ q_cntl);
+ AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
+ return (0);
+ } else {
+
+ ext_msg.msg_type = MESSAGE_REJECT;
+ AscMemWordCopyPtrToLram(iop_base,
+ ASCV_MSGOUT_BEG,
+ (uchar *)&ext_msg,
+ sizeof(EXT_MSG) >> 1);
+ q_cntl |= QC_MSG_OUT;
+ AscWriteLramByte(iop_base,
+ (ushort)(halt_q_addr +
+ (ushort)ASC_SCSIQ_B_CNTL),
+ q_cntl);
+ AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
+ return (0);
+ }
+ } else if (int_halt_code == ASC_HALT_CHK_CONDITION) {
+
+ q_cntl |= QC_REQ_SENSE;
+
+ if ((asc_dvc->init_sdtr & target_id) != 0) {
+
+ asc_dvc->sdtr_done &= ~target_id;
+
+ sdtr_data = AscGetMCodeInitSDTRAtID(iop_base, tid_no);
+ q_cntl |= QC_MSG_OUT;
+ AscMsgOutSDTR(asc_dvc,
+ asc_dvc->
+ sdtr_period_tbl[(sdtr_data >> 4) &
+ (uchar)(asc_dvc->
+ max_sdtr_index -
+ 1)],
+ (uchar)(sdtr_data & (uchar)
+ ASC_SYN_MAX_OFFSET));
+ }
+
+ AscWriteLramByte(iop_base,
+ (ushort)(halt_q_addr +
+ (ushort)ASC_SCSIQ_B_CNTL), q_cntl);
+
+ tag_code = AscReadLramByte(iop_base,
+ (ushort)(halt_q_addr + (ushort)
+ ASC_SCSIQ_B_TAG_CODE));
+ tag_code &= 0xDC;
+ if ((asc_dvc->pci_fix_asyn_xfer & target_id)
+ && !(asc_dvc->pci_fix_asyn_xfer_always & target_id)
+ ) {
+
+ tag_code |= (ASC_TAG_FLAG_DISABLE_DISCONNECT
+ | ASC_TAG_FLAG_DISABLE_ASYN_USE_SYN_FIX);
+
+ }
+ AscWriteLramByte(iop_base,
+ (ushort)(halt_q_addr +
+ (ushort)ASC_SCSIQ_B_TAG_CODE),
+ tag_code);
+
+ q_status = AscReadLramByte(iop_base,
+ (ushort)(halt_q_addr + (ushort)
+ ASC_SCSIQ_B_STATUS));
+ q_status |= (QS_READY | QS_BUSY);
+ AscWriteLramByte(iop_base,
+ (ushort)(halt_q_addr +
+ (ushort)ASC_SCSIQ_B_STATUS),
+ q_status);
+
+ scsi_busy = AscReadLramByte(iop_base, (ushort)ASCV_SCSIBUSY_B);
+ scsi_busy &= ~target_id;
+ AscWriteLramByte(iop_base, (ushort)ASCV_SCSIBUSY_B, scsi_busy);
+
+ AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
+ return (0);
+ } else if (int_halt_code == ASC_HALT_SDTR_REJECTED) {
+
+ AscMemWordCopyPtrFromLram(iop_base,
+ ASCV_MSGOUT_BEG,
+ (uchar *)&out_msg,
+ sizeof(EXT_MSG) >> 1);
+
+ if ((out_msg.msg_type == EXTENDED_MESSAGE) &&
+ (out_msg.msg_len == MS_SDTR_LEN) &&
+ (out_msg.msg_req == EXTENDED_SDTR)) {
+
+ asc_dvc->init_sdtr &= ~target_id;
+ asc_dvc->sdtr_done &= ~target_id;
+ AscSetChipSDTR(iop_base, asyn_sdtr, tid_no);
+ boardp->sdtr_data[tid_no] = asyn_sdtr;
+ }
+ q_cntl &= ~QC_MSG_OUT;
+ AscWriteLramByte(iop_base,
+ (ushort)(halt_q_addr +
+ (ushort)ASC_SCSIQ_B_CNTL), q_cntl);
+ AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
+ return (0);
+ } else if (int_halt_code == ASC_HALT_SS_QUEUE_FULL) {
+
+ scsi_status = AscReadLramByte(iop_base,
+ (ushort)((ushort)halt_q_addr +
+ (ushort)
+ ASC_SCSIQ_SCSI_STATUS));
+ cur_dvc_qng =
+ AscReadLramByte(iop_base,
+ (ushort)((ushort)ASC_QADR_BEG +
+ (ushort)target_ix));
+ if ((cur_dvc_qng > 0) && (asc_dvc->cur_dvc_qng[tid_no] > 0)) {
+
+ scsi_busy = AscReadLramByte(iop_base,
+ (ushort)ASCV_SCSIBUSY_B);
+ scsi_busy |= target_id;
+ AscWriteLramByte(iop_base,
+ (ushort)ASCV_SCSIBUSY_B, scsi_busy);
+ asc_dvc->queue_full_or_busy |= target_id;
+
+ if (scsi_status == SAM_STAT_TASK_SET_FULL) {
+ if (cur_dvc_qng > ASC_MIN_TAGGED_CMD) {
+ cur_dvc_qng -= 1;
+ asc_dvc->max_dvc_qng[tid_no] =
+ cur_dvc_qng;
+
+ AscWriteLramByte(iop_base,
+ (ushort)((ushort)
+ ASCV_MAX_DVC_QNG_BEG
+ + (ushort)
+ tid_no),
+ cur_dvc_qng);
+
+ /*
+ * Set the device queue depth to the
+ * number of active requests when the
+ * QUEUE FULL condition was encountered.
+ */
+ boardp->queue_full |= target_id;
+ boardp->queue_full_cnt[tid_no] =
+ cur_dvc_qng;
+ }
+ }
+ }
+ AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
+ return (0);
+ }
+#if CC_VERY_LONG_SG_LIST
+ else if (int_halt_code == ASC_HALT_HOST_COPY_SG_LIST_TO_RISC) {
+ uchar q_no;
+ ushort q_addr;
+ uchar sg_wk_q_no;
+ uchar first_sg_wk_q_no;
+ ASC_SCSI_Q *scsiq; /* Ptr to driver request. */
+ ASC_SG_HEAD *sg_head; /* Ptr to driver SG request. */
+ ASC_SG_LIST_Q scsi_sg_q; /* Structure written to queue. */
+ ushort sg_list_dwords;
+ ushort sg_entry_cnt;
+ uchar next_qp;
+ int i;
+
+ q_no = AscReadLramByte(iop_base, (ushort)ASCV_REQ_SG_LIST_QP);
+ if (q_no == ASC_QLINK_END)
+ return 0;
+
+ q_addr = ASC_QNO_TO_QADDR(q_no);
+
+ /*
+ * Convert the request's SRB pointer to a host ASC_SCSI_REQ
+ * structure pointer using a macro provided by the driver.
+ * The ASC_SCSI_REQ pointer provides a pointer to the
+ * host ASC_SG_HEAD structure.
+ */
+ /* Read request's SRB pointer. */
+ scsiq = (ASC_SCSI_Q *)
+ ASC_SRB2SCSIQ(ASC_U32_TO_VADDR(AscReadLramDWord(iop_base,
+ (ushort)
+ (q_addr +
+ ASC_SCSIQ_D_SRBPTR))));
+
+ /*
+ * Get request's first and working SG queue.
+ */
+ sg_wk_q_no = AscReadLramByte(iop_base,
+ (ushort)(q_addr +
+ ASC_SCSIQ_B_SG_WK_QP));
+
+ first_sg_wk_q_no = AscReadLramByte(iop_base,
+ (ushort)(q_addr +
+ ASC_SCSIQ_B_FIRST_SG_WK_QP));
+
+ /*
+ * Reset request's working SG queue back to the
+ * first SG queue.
+ */
+ AscWriteLramByte(iop_base,
+ (ushort)(q_addr +
+ (ushort)ASC_SCSIQ_B_SG_WK_QP),
+ first_sg_wk_q_no);
+
+ sg_head = scsiq->sg_head;
+
+ /*
+ * Set sg_entry_cnt to the number of SG elements
+ * that will be completed on this interrupt.
+ *
+ * Note: The allocated SG queues contain ASC_MAX_SG_LIST - 1
+ * SG elements. The data_cnt and data_addr fields which
+ * add 1 to the SG element capacity are not used when
+ * restarting SG handling after a halt.
+ */
+ if (scsiq->remain_sg_entry_cnt > (ASC_MAX_SG_LIST - 1)) {
+ sg_entry_cnt = ASC_MAX_SG_LIST - 1;
+
+ /*
+ * Keep track of remaining number of SG elements that
+ * will need to be handled on the next interrupt.
+ */
+ scsiq->remain_sg_entry_cnt -= (ASC_MAX_SG_LIST - 1);
+ } else {
+ sg_entry_cnt = scsiq->remain_sg_entry_cnt;
+ scsiq->remain_sg_entry_cnt = 0;
+ }
+
+ /*
+ * Copy SG elements into the list of allocated SG queues.
+ *
+ * Last index completed is saved in scsiq->next_sg_index.
+ */
+ next_qp = first_sg_wk_q_no;
+ q_addr = ASC_QNO_TO_QADDR(next_qp);
+ scsi_sg_q.sg_head_qp = q_no;
+ scsi_sg_q.cntl = QCSG_SG_XFER_LIST;
+ for (i = 0; i < sg_head->queue_cnt; i++) {
+ scsi_sg_q.seq_no = i + 1;
+ if (sg_entry_cnt > ASC_SG_LIST_PER_Q) {
+ sg_list_dwords = (uchar)(ASC_SG_LIST_PER_Q * 2);
+ sg_entry_cnt -= ASC_SG_LIST_PER_Q;
+ /*
+ * After very first SG queue RISC FW uses next
+ * SG queue first element then checks sg_list_cnt
+ * against zero and then decrements, so set
+ * sg_list_cnt 1 less than number of SG elements
+ * in each SG queue.
+ */
+ scsi_sg_q.sg_list_cnt = ASC_SG_LIST_PER_Q - 1;
+ scsi_sg_q.sg_cur_list_cnt =
+ ASC_SG_LIST_PER_Q - 1;
+ } else {
+ /*
+ * This is the last SG queue in the list of
+ * allocated SG queues. If there are more
+ * SG elements than will fit in the allocated
+ * queues, then set the QCSG_SG_XFER_MORE flag.
+ */
+ if (scsiq->remain_sg_entry_cnt != 0) {
+ scsi_sg_q.cntl |= QCSG_SG_XFER_MORE;
+ } else {
+ scsi_sg_q.cntl |= QCSG_SG_XFER_END;
+ }
+ /* equals sg_entry_cnt * 2 */
+ sg_list_dwords = sg_entry_cnt << 1;
+ scsi_sg_q.sg_list_cnt = sg_entry_cnt - 1;
+ scsi_sg_q.sg_cur_list_cnt = sg_entry_cnt - 1;
+ sg_entry_cnt = 0;
+ }
+
+ scsi_sg_q.q_no = next_qp;
+ AscMemWordCopyPtrToLram(iop_base,
+ q_addr + ASC_SCSIQ_SGHD_CPY_BEG,
+ (uchar *)&scsi_sg_q,
+ sizeof(ASC_SG_LIST_Q) >> 1);
+
+ AscMemDWordCopyPtrToLram(iop_base,
+ q_addr + ASC_SGQ_LIST_BEG,
+ (uchar *)&sg_head->
+ sg_list[scsiq->next_sg_index],
+ sg_list_dwords);
+
+ scsiq->next_sg_index += ASC_SG_LIST_PER_Q;
+
+ /*
+ * If the just completed SG queue contained the
+ * last SG element, then no more SG queues need
+ * to be written.
+ */
+ if (scsi_sg_q.cntl & QCSG_SG_XFER_END) {
+ break;
+ }
+
+ next_qp = AscReadLramByte(iop_base,
+ (ushort)(q_addr +
+ ASC_SCSIQ_B_FWD));
+ q_addr = ASC_QNO_TO_QADDR(next_qp);
+ }
+
+ /*
+ * Clear the halt condition so the RISC will be restarted
+ * after the return.
+ */
+ AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
+ return (0);
+ }
+#endif /* CC_VERY_LONG_SG_LIST */
+ return (0);
+}
/*
- * EEPROM Configuration.
+ * void
+ * DvcGetQinfo(PortAddr iop_base, ushort s_addr, uchar *inbuf, int words)
*
- * All drivers should use this structure to set the default EEPROM
- * configuration. The BIOS now uses this structure when it is built.
- * Additional structure information can be found in a_condor.h where
- * the structure is defined.
+ * Calling/Exit State:
+ * none
*
- * The *_Field_IsChar structs are needed to correct for endianness.
- * These values are read from the board 16 bits at a time directly
- * into the structs. Because some fields are char, the values will be
- * in the wrong order. The *_Field_IsChar tells when to flip the
- * bytes. Data read and written to PCI memory is automatically swapped
- * on big-endian platforms so char fields read as words are actually being
- * unswapped on big-endian platforms.
+ * Description:
+ * Input an ASC_QDONE_INFO structure from the chip
*/
-static ADVEEP_3550_CONFIG Default_3550_EEPROM_Config __devinitdata = {
- ADV_EEPROM_BIOS_ENABLE, /* cfg_lsw */
- 0x0000, /* cfg_msw */
- 0xFFFF, /* disc_enable */
- 0xFFFF, /* wdtr_able */
- 0xFFFF, /* sdtr_able */
- 0xFFFF, /* start_motor */
- 0xFFFF, /* tagqng_able */
- 0xFFFF, /* bios_scan */
- 0, /* scam_tolerant */
- 7, /* adapter_scsi_id */
- 0, /* bios_boot_delay */
- 3, /* scsi_reset_delay */
- 0, /* bios_id_lun */
- 0, /* termination */
- 0, /* reserved1 */
- 0xFFE7, /* bios_ctrl */
- 0xFFFF, /* ultra_able */
- 0, /* reserved2 */
- ASC_DEF_MAX_HOST_QNG, /* max_host_qng */
- ASC_DEF_MAX_DVC_QNG, /* max_dvc_qng */
- 0, /* dvc_cntl */
- 0, /* bug_fix */
- 0, /* serial_number_word1 */
- 0, /* serial_number_word2 */
- 0, /* serial_number_word3 */
- 0, /* check_sum */
- {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
- , /* oem_name[16] */
- 0, /* dvc_err_code */
- 0, /* adv_err_code */
- 0, /* adv_err_addr */
- 0, /* saved_dvc_err_code */
- 0, /* saved_adv_err_code */
- 0, /* saved_adv_err_addr */
- 0 /* num_of_err */
-};
+static void
+DvcGetQinfo(PortAddr iop_base, ushort s_addr, uchar *inbuf, int words)
+{
+ int i;
+ ushort word;
+
+ AscSetChipLramAddr(iop_base, s_addr);
+ for (i = 0; i < 2 * words; i += 2) {
+ if (i == 10) {
+ continue;
+ }
+ word = inpw(iop_base + IOP_RAM_DATA);
+ inbuf[i] = word & 0xff;
+ inbuf[i + 1] = (word >> 8) & 0xff;
+ }
+ ASC_DBG_PRT_HEX(2, "DvcGetQinfo", inbuf, 2 * words);
+}
+
+static uchar
+_AscCopyLramScsiDoneQ(PortAddr iop_base,
+ ushort q_addr,
+ ASC_QDONE_INFO *scsiq, ASC_DCNT max_dma_count)
+{
+ ushort _val;
+ uchar sg_queue_cnt;
+
+ DvcGetQinfo(iop_base,
+ q_addr + ASC_SCSIQ_DONE_INFO_BEG,
+ (uchar *)scsiq,
+ (sizeof(ASC_SCSIQ_2) + sizeof(ASC_SCSIQ_3)) / 2);
+
+ _val = AscReadLramWord(iop_base,
+ (ushort)(q_addr + (ushort)ASC_SCSIQ_B_STATUS));
+ scsiq->q_status = (uchar)_val;
+ scsiq->q_no = (uchar)(_val >> 8);
+ _val = AscReadLramWord(iop_base,
+ (ushort)(q_addr + (ushort)ASC_SCSIQ_B_CNTL));
+ scsiq->cntl = (uchar)_val;
+ sg_queue_cnt = (uchar)(_val >> 8);
+ _val = AscReadLramWord(iop_base,
+ (ushort)(q_addr +
+ (ushort)ASC_SCSIQ_B_SENSE_LEN));
+ scsiq->sense_len = (uchar)_val;
+ scsiq->extra_bytes = (uchar)(_val >> 8);
+
+ /*
+ * Read high word of remain bytes from alternate location.
+ */
+ scsiq->remain_bytes = (((ADV_DCNT)AscReadLramWord(iop_base,
+ (ushort)(q_addr +
+ (ushort)
+ ASC_SCSIQ_W_ALT_DC1)))
+ << 16);
+ /*
+ * Read low word of remain bytes from original location.
+ */
+ scsiq->remain_bytes += AscReadLramWord(iop_base,
+ (ushort)(q_addr + (ushort)
+ ASC_SCSIQ_DW_REMAIN_XFER_CNT));
+
+ scsiq->remain_bytes &= max_dma_count;
+ return sg_queue_cnt;
+}
+
+/*
+ * asc_isr_callback() - Second Level Interrupt Handler called by AscISR().
+ *
+ * Interrupt callback function for the Narrow SCSI Asc Library.
+ */
+static void asc_isr_callback(ASC_DVC_VAR *asc_dvc_varp, ASC_QDONE_INFO *qdonep)
+{
+ asc_board_t *boardp;
+ struct scsi_cmnd *scp;
+ struct Scsi_Host *shost;
+
+ ASC_DBG2(1, "asc_isr_callback: asc_dvc_varp 0x%lx, qdonep 0x%lx\n",
+ (ulong)asc_dvc_varp, (ulong)qdonep);
+ ASC_DBG_PRT_ASC_QDONE_INFO(2, qdonep);
+
+ /*
+ * Get the struct scsi_cmnd structure and Scsi_Host structure for the
+ * command that has been completed.
+ */
+ scp = (struct scsi_cmnd *)ASC_U32_TO_VADDR(qdonep->d2.srb_ptr);
+ ASC_DBG1(1, "asc_isr_callback: scp 0x%lx\n", (ulong)scp);
+
+ if (scp == NULL) {
+ ASC_PRINT("asc_isr_callback: scp is NULL\n");
+ return;
+ }
+ ASC_DBG_PRT_CDB(2, scp->cmnd, scp->cmd_len);
+
+ shost = scp->device->host;
+ ASC_STATS(shost, callback);
+ ASC_DBG1(1, "asc_isr_callback: shost 0x%lx\n", (ulong)shost);
+
+ boardp = ASC_BOARDP(shost);
+ BUG_ON(asc_dvc_varp != &boardp->dvc_var.asc_dvc_var);
+
+ /*
+ * 'qdonep' contains the command's ending status.
+ */
+ switch (qdonep->d3.done_stat) {
+ case QD_NO_ERROR:
+ ASC_DBG(2, "asc_isr_callback: QD_NO_ERROR\n");
+ scp->result = 0;
+
+ /*
+ * Check for an underrun condition.
+ *
+ * If there was no error and an underrun condition, then
+ * return the number of underrun bytes.
+ */
+ if (scp->request_bufflen != 0 && qdonep->remain_bytes != 0 &&
+ qdonep->remain_bytes <= scp->request_bufflen) {
+ ASC_DBG1(1,
+ "asc_isr_callback: underrun condition %u bytes\n",
+ (unsigned)qdonep->remain_bytes);
+ scp->resid = qdonep->remain_bytes;
+ }
+ break;
+
+ case QD_WITH_ERROR:
+ ASC_DBG(2, "asc_isr_callback: QD_WITH_ERROR\n");
+ switch (qdonep->d3.host_stat) {
+ case QHSTA_NO_ERROR:
+ if (qdonep->d3.scsi_stat == SAM_STAT_CHECK_CONDITION) {
+ ASC_DBG(2,
+ "asc_isr_callback: SAM_STAT_CHECK_CONDITION\n");
+ ASC_DBG_PRT_SENSE(2, scp->sense_buffer,
+ sizeof(scp->sense_buffer));
+ /*
+ * Note: The 'status_byte()' macro used by
+ * target drivers defined in scsi.h shifts the
+ * status byte returned by host drivers right
+ * by 1 bit. This is why target drivers also
+ * use right shifted status byte definitions.
+ * For instance target drivers use
+ * CHECK_CONDITION, defined to 0x1, instead of
+ * the SCSI defined check condition value of
+ * 0x2. Host drivers are supposed to return
+ * the status byte as it is defined by SCSI.
+ */
+ scp->result = DRIVER_BYTE(DRIVER_SENSE) |
+ STATUS_BYTE(qdonep->d3.scsi_stat);
+ } else {
+ scp->result = STATUS_BYTE(qdonep->d3.scsi_stat);
+ }
+ break;
+
+ default:
+ /* QHSTA error occurred */
+ ASC_DBG1(1, "asc_isr_callback: host_stat 0x%x\n",
+ qdonep->d3.host_stat);
+ scp->result = HOST_BYTE(DID_BAD_TARGET);
+ break;
+ }
+ break;
+
+ case QD_ABORTED_BY_HOST:
+ ASC_DBG(1, "asc_isr_callback: QD_ABORTED_BY_HOST\n");
+ scp->result =
+ HOST_BYTE(DID_ABORT) | MSG_BYTE(qdonep->d3.
+ scsi_msg) |
+ STATUS_BYTE(qdonep->d3.scsi_stat);
+ break;
+
+ default:
+ ASC_DBG1(1, "asc_isr_callback: done_stat 0x%x\n",
+ qdonep->d3.done_stat);
+ scp->result =
+ HOST_BYTE(DID_ERROR) | MSG_BYTE(qdonep->d3.
+ scsi_msg) |
+ STATUS_BYTE(qdonep->d3.scsi_stat);
+ break;
+ }
+
+ /*
+ * If the 'init_tidmask' bit isn't already set for the target and the
+ * current request finished normally, then set the bit for the target
+ * to indicate that a device is present.
+ */
+ if ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(scp->device->id)) == 0 &&
+ qdonep->d3.done_stat == QD_NO_ERROR &&
+ qdonep->d3.host_stat == QHSTA_NO_ERROR) {
+ boardp->init_tidmask |= ADV_TID_TO_TIDMASK(scp->device->id);
+ }
-static ADVEEP_3550_CONFIG ADVEEP_3550_Config_Field_IsChar __devinitdata = {
- 0, /* cfg_lsw */
- 0, /* cfg_msw */
- 0, /* -disc_enable */
- 0, /* wdtr_able */
- 0, /* sdtr_able */
- 0, /* start_motor */
- 0, /* tagqng_able */
- 0, /* bios_scan */
- 0, /* scam_tolerant */
- 1, /* adapter_scsi_id */
- 1, /* bios_boot_delay */
- 1, /* scsi_reset_delay */
- 1, /* bios_id_lun */
- 1, /* termination */
- 1, /* reserved1 */
- 0, /* bios_ctrl */
- 0, /* ultra_able */
- 0, /* reserved2 */
- 1, /* max_host_qng */
- 1, /* max_dvc_qng */
- 0, /* dvc_cntl */
- 0, /* bug_fix */
- 0, /* serial_number_word1 */
- 0, /* serial_number_word2 */
- 0, /* serial_number_word3 */
- 0, /* check_sum */
- {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}
- , /* oem_name[16] */
- 0, /* dvc_err_code */
- 0, /* adv_err_code */
- 0, /* adv_err_addr */
- 0, /* saved_dvc_err_code */
- 0, /* saved_adv_err_code */
- 0, /* saved_adv_err_addr */
- 0 /* num_of_err */
-};
+ asc_scsi_done(scp);
-static ADVEEP_38C0800_CONFIG Default_38C0800_EEPROM_Config __devinitdata = {
- ADV_EEPROM_BIOS_ENABLE, /* 00 cfg_lsw */
- 0x0000, /* 01 cfg_msw */
- 0xFFFF, /* 02 disc_enable */
- 0xFFFF, /* 03 wdtr_able */
- 0x4444, /* 04 sdtr_speed1 */
- 0xFFFF, /* 05 start_motor */
- 0xFFFF, /* 06 tagqng_able */
- 0xFFFF, /* 07 bios_scan */
- 0, /* 08 scam_tolerant */
- 7, /* 09 adapter_scsi_id */
- 0, /* bios_boot_delay */
- 3, /* 10 scsi_reset_delay */
- 0, /* bios_id_lun */
- 0, /* 11 termination_se */
- 0, /* termination_lvd */
- 0xFFE7, /* 12 bios_ctrl */
- 0x4444, /* 13 sdtr_speed2 */
- 0x4444, /* 14 sdtr_speed3 */
- ASC_DEF_MAX_HOST_QNG, /* 15 max_host_qng */
- ASC_DEF_MAX_DVC_QNG, /* max_dvc_qng */
- 0, /* 16 dvc_cntl */
- 0x4444, /* 17 sdtr_speed4 */
- 0, /* 18 serial_number_word1 */
- 0, /* 19 serial_number_word2 */
- 0, /* 20 serial_number_word3 */
- 0, /* 21 check_sum */
- {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
- , /* 22-29 oem_name[16] */
- 0, /* 30 dvc_err_code */
- 0, /* 31 adv_err_code */
- 0, /* 32 adv_err_addr */
- 0, /* 33 saved_dvc_err_code */
- 0, /* 34 saved_adv_err_code */
- 0, /* 35 saved_adv_err_addr */
- 0, /* 36 reserved */
- 0, /* 37 reserved */
- 0, /* 38 reserved */
- 0, /* 39 reserved */
- 0, /* 40 reserved */
- 0, /* 41 reserved */
- 0, /* 42 reserved */
- 0, /* 43 reserved */
- 0, /* 44 reserved */
- 0, /* 45 reserved */
- 0, /* 46 reserved */
- 0, /* 47 reserved */
- 0, /* 48 reserved */
- 0, /* 49 reserved */
- 0, /* 50 reserved */
- 0, /* 51 reserved */
- 0, /* 52 reserved */
- 0, /* 53 reserved */
- 0, /* 54 reserved */
- 0, /* 55 reserved */
- 0, /* 56 cisptr_lsw */
- 0, /* 57 cisprt_msw */
- PCI_VENDOR_ID_ASP, /* 58 subsysvid */
- PCI_DEVICE_ID_38C0800_REV1, /* 59 subsysid */
- 0, /* 60 reserved */
- 0, /* 61 reserved */
- 0, /* 62 reserved */
- 0 /* 63 reserved */
-};
+ return;
+}
+
+static int AscIsrQDone(ASC_DVC_VAR *asc_dvc)
+{
+ uchar next_qp;
+ uchar n_q_used;
+ uchar sg_list_qp;
+ uchar sg_queue_cnt;
+ uchar q_cnt;
+ uchar done_q_tail;
+ uchar tid_no;
+ ASC_SCSI_BIT_ID_TYPE scsi_busy;
+ ASC_SCSI_BIT_ID_TYPE target_id;
+ PortAddr iop_base;
+ ushort q_addr;
+ ushort sg_q_addr;
+ uchar cur_target_qng;
+ ASC_QDONE_INFO scsiq_buf;
+ ASC_QDONE_INFO *scsiq;
+ int false_overrun;
+
+ iop_base = asc_dvc->iop_base;
+ n_q_used = 1;
+ scsiq = (ASC_QDONE_INFO *)&scsiq_buf;
+ done_q_tail = (uchar)AscGetVarDoneQTail(iop_base);
+ q_addr = ASC_QNO_TO_QADDR(done_q_tail);
+ next_qp = AscReadLramByte(iop_base,
+ (ushort)(q_addr + (ushort)ASC_SCSIQ_B_FWD));
+ if (next_qp != ASC_QLINK_END) {
+ AscPutVarDoneQTail(iop_base, next_qp);
+ q_addr = ASC_QNO_TO_QADDR(next_qp);
+ sg_queue_cnt = _AscCopyLramScsiDoneQ(iop_base, q_addr, scsiq,
+ asc_dvc->max_dma_count);
+ AscWriteLramByte(iop_base,
+ (ushort)(q_addr +
+ (ushort)ASC_SCSIQ_B_STATUS),
+ (uchar)(scsiq->
+ q_status & (uchar)~(QS_READY |
+ QS_ABORTED)));
+ tid_no = ASC_TIX_TO_TID(scsiq->d2.target_ix);
+ target_id = ASC_TIX_TO_TARGET_ID(scsiq->d2.target_ix);
+ if ((scsiq->cntl & QC_SG_HEAD) != 0) {
+ sg_q_addr = q_addr;
+ sg_list_qp = next_qp;
+ for (q_cnt = 0; q_cnt < sg_queue_cnt; q_cnt++) {
+ sg_list_qp = AscReadLramByte(iop_base,
+ (ushort)(sg_q_addr
+ + (ushort)
+ ASC_SCSIQ_B_FWD));
+ sg_q_addr = ASC_QNO_TO_QADDR(sg_list_qp);
+ if (sg_list_qp == ASC_QLINK_END) {
+ AscSetLibErrorCode(asc_dvc,
+ ASCQ_ERR_SG_Q_LINKS);
+ scsiq->d3.done_stat = QD_WITH_ERROR;
+ scsiq->d3.host_stat =
+ QHSTA_D_QDONE_SG_LIST_CORRUPTED;
+ goto FATAL_ERR_QDONE;
+ }
+ AscWriteLramByte(iop_base,
+ (ushort)(sg_q_addr + (ushort)
+ ASC_SCSIQ_B_STATUS),
+ QS_FREE);
+ }
+ n_q_used = sg_queue_cnt + 1;
+ AscPutVarDoneQTail(iop_base, sg_list_qp);
+ }
+ if (asc_dvc->queue_full_or_busy & target_id) {
+ cur_target_qng = AscReadLramByte(iop_base,
+ (ushort)((ushort)
+ ASC_QADR_BEG
+ + (ushort)
+ scsiq->d2.
+ target_ix));
+ if (cur_target_qng < asc_dvc->max_dvc_qng[tid_no]) {
+ scsi_busy = AscReadLramByte(iop_base, (ushort)
+ ASCV_SCSIBUSY_B);
+ scsi_busy &= ~target_id;
+ AscWriteLramByte(iop_base,
+ (ushort)ASCV_SCSIBUSY_B,
+ scsi_busy);
+ asc_dvc->queue_full_or_busy &= ~target_id;
+ }
+ }
+ if (asc_dvc->cur_total_qng >= n_q_used) {
+ asc_dvc->cur_total_qng -= n_q_used;
+ if (asc_dvc->cur_dvc_qng[tid_no] != 0) {
+ asc_dvc->cur_dvc_qng[tid_no]--;
+ }
+ } else {
+ AscSetLibErrorCode(asc_dvc, ASCQ_ERR_CUR_QNG);
+ scsiq->d3.done_stat = QD_WITH_ERROR;
+ goto FATAL_ERR_QDONE;
+ }
+ if ((scsiq->d2.srb_ptr == 0UL) ||
+ ((scsiq->q_status & QS_ABORTED) != 0)) {
+ return (0x11);
+ } else if (scsiq->q_status == QS_DONE) {
+ false_overrun = FALSE;
+ if (scsiq->extra_bytes != 0) {
+ scsiq->remain_bytes +=
+ (ADV_DCNT)scsiq->extra_bytes;
+ }
+ if (scsiq->d3.done_stat == QD_WITH_ERROR) {
+ if (scsiq->d3.host_stat ==
+ QHSTA_M_DATA_OVER_RUN) {
+ if ((scsiq->
+ cntl & (QC_DATA_IN | QC_DATA_OUT))
+ == 0) {
+ scsiq->d3.done_stat =
+ QD_NO_ERROR;
+ scsiq->d3.host_stat =
+ QHSTA_NO_ERROR;
+ } else if (false_overrun) {
+ scsiq->d3.done_stat =
+ QD_NO_ERROR;
+ scsiq->d3.host_stat =
+ QHSTA_NO_ERROR;
+ }
+ } else if (scsiq->d3.host_stat ==
+ QHSTA_M_HUNG_REQ_SCSI_BUS_RESET) {
+ AscStopChip(iop_base);
+ AscSetChipControl(iop_base,
+ (uchar)(CC_SCSI_RESET
+ | CC_HALT));
+ udelay(60);
+ AscSetChipControl(iop_base, CC_HALT);
+ AscSetChipStatus(iop_base,
+ CIW_CLR_SCSI_RESET_INT);
+ AscSetChipStatus(iop_base, 0);
+ AscSetChipControl(iop_base, 0);
+ }
+ }
+ if ((scsiq->cntl & QC_NO_CALLBACK) == 0) {
+ asc_isr_callback(asc_dvc, scsiq);
+ } else {
+ if ((AscReadLramByte(iop_base,
+ (ushort)(q_addr + (ushort)
+ ASC_SCSIQ_CDB_BEG))
+ == START_STOP)) {
+ asc_dvc->unit_not_ready &= ~target_id;
+ if (scsiq->d3.done_stat != QD_NO_ERROR) {
+ asc_dvc->start_motor &=
+ ~target_id;
+ }
+ }
+ }
+ return (1);
+ } else {
+ AscSetLibErrorCode(asc_dvc, ASCQ_ERR_Q_STATUS);
+ FATAL_ERR_QDONE:
+ if ((scsiq->cntl & QC_NO_CALLBACK) == 0) {
+ asc_isr_callback(asc_dvc, scsiq);
+ }
+ return (0x80);
+ }
+ }
+ return (0);
+}
-static ADVEEP_38C0800_CONFIG ADVEEP_38C0800_Config_Field_IsChar __devinitdata = {
- 0, /* 00 cfg_lsw */
- 0, /* 01 cfg_msw */
- 0, /* 02 disc_enable */
- 0, /* 03 wdtr_able */
- 0, /* 04 sdtr_speed1 */
- 0, /* 05 start_motor */
- 0, /* 06 tagqng_able */
- 0, /* 07 bios_scan */
- 0, /* 08 scam_tolerant */
- 1, /* 09 adapter_scsi_id */
- 1, /* bios_boot_delay */
- 1, /* 10 scsi_reset_delay */
- 1, /* bios_id_lun */
- 1, /* 11 termination_se */
- 1, /* termination_lvd */
- 0, /* 12 bios_ctrl */
- 0, /* 13 sdtr_speed2 */
- 0, /* 14 sdtr_speed3 */
- 1, /* 15 max_host_qng */
- 1, /* max_dvc_qng */
- 0, /* 16 dvc_cntl */
- 0, /* 17 sdtr_speed4 */
- 0, /* 18 serial_number_word1 */
- 0, /* 19 serial_number_word2 */
- 0, /* 20 serial_number_word3 */
- 0, /* 21 check_sum */
- {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}
- , /* 22-29 oem_name[16] */
- 0, /* 30 dvc_err_code */
- 0, /* 31 adv_err_code */
- 0, /* 32 adv_err_addr */
- 0, /* 33 saved_dvc_err_code */
- 0, /* 34 saved_adv_err_code */
- 0, /* 35 saved_adv_err_addr */
- 0, /* 36 reserved */
- 0, /* 37 reserved */
- 0, /* 38 reserved */
- 0, /* 39 reserved */
- 0, /* 40 reserved */
- 0, /* 41 reserved */
- 0, /* 42 reserved */
- 0, /* 43 reserved */
- 0, /* 44 reserved */
- 0, /* 45 reserved */
- 0, /* 46 reserved */
- 0, /* 47 reserved */
- 0, /* 48 reserved */
- 0, /* 49 reserved */
- 0, /* 50 reserved */
- 0, /* 51 reserved */
- 0, /* 52 reserved */
- 0, /* 53 reserved */
- 0, /* 54 reserved */
- 0, /* 55 reserved */
- 0, /* 56 cisptr_lsw */
- 0, /* 57 cisprt_msw */
- 0, /* 58 subsysvid */
- 0, /* 59 subsysid */
- 0, /* 60 reserved */
- 0, /* 61 reserved */
- 0, /* 62 reserved */
- 0 /* 63 reserved */
-};
+static int AscISR(ASC_DVC_VAR *asc_dvc)
+{
+ ASC_CS_TYPE chipstat;
+ PortAddr iop_base;
+ ushort saved_ram_addr;
+ uchar ctrl_reg;
+ uchar saved_ctrl_reg;
+ int int_pending;
+ int status;
+ uchar host_flag;
-static ADVEEP_38C1600_CONFIG Default_38C1600_EEPROM_Config __devinitdata = {
- ADV_EEPROM_BIOS_ENABLE, /* 00 cfg_lsw */
- 0x0000, /* 01 cfg_msw */
- 0xFFFF, /* 02 disc_enable */
- 0xFFFF, /* 03 wdtr_able */
- 0x5555, /* 04 sdtr_speed1 */
- 0xFFFF, /* 05 start_motor */
- 0xFFFF, /* 06 tagqng_able */
- 0xFFFF, /* 07 bios_scan */
- 0, /* 08 scam_tolerant */
- 7, /* 09 adapter_scsi_id */
- 0, /* bios_boot_delay */
- 3, /* 10 scsi_reset_delay */
- 0, /* bios_id_lun */
- 0, /* 11 termination_se */
- 0, /* termination_lvd */
- 0xFFE7, /* 12 bios_ctrl */
- 0x5555, /* 13 sdtr_speed2 */
- 0x5555, /* 14 sdtr_speed3 */
- ASC_DEF_MAX_HOST_QNG, /* 15 max_host_qng */
- ASC_DEF_MAX_DVC_QNG, /* max_dvc_qng */
- 0, /* 16 dvc_cntl */
- 0x5555, /* 17 sdtr_speed4 */
- 0, /* 18 serial_number_word1 */
- 0, /* 19 serial_number_word2 */
- 0, /* 20 serial_number_word3 */
- 0, /* 21 check_sum */
- {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
- , /* 22-29 oem_name[16] */
- 0, /* 30 dvc_err_code */
- 0, /* 31 adv_err_code */
- 0, /* 32 adv_err_addr */
- 0, /* 33 saved_dvc_err_code */
- 0, /* 34 saved_adv_err_code */
- 0, /* 35 saved_adv_err_addr */
- 0, /* 36 reserved */
- 0, /* 37 reserved */
- 0, /* 38 reserved */
- 0, /* 39 reserved */
- 0, /* 40 reserved */
- 0, /* 41 reserved */
- 0, /* 42 reserved */
- 0, /* 43 reserved */
- 0, /* 44 reserved */
- 0, /* 45 reserved */
- 0, /* 46 reserved */
- 0, /* 47 reserved */
- 0, /* 48 reserved */
- 0, /* 49 reserved */
- 0, /* 50 reserved */
- 0, /* 51 reserved */
- 0, /* 52 reserved */
- 0, /* 53 reserved */
- 0, /* 54 reserved */
- 0, /* 55 reserved */
- 0, /* 56 cisptr_lsw */
- 0, /* 57 cisprt_msw */
- PCI_VENDOR_ID_ASP, /* 58 subsysvid */
- PCI_DEVICE_ID_38C1600_REV1, /* 59 subsysid */
- 0, /* 60 reserved */
- 0, /* 61 reserved */
- 0, /* 62 reserved */
- 0 /* 63 reserved */
-};
+ iop_base = asc_dvc->iop_base;
+ int_pending = FALSE;
-static ADVEEP_38C1600_CONFIG ADVEEP_38C1600_Config_Field_IsChar __devinitdata = {
- 0, /* 00 cfg_lsw */
- 0, /* 01 cfg_msw */
- 0, /* 02 disc_enable */
- 0, /* 03 wdtr_able */
- 0, /* 04 sdtr_speed1 */
- 0, /* 05 start_motor */
- 0, /* 06 tagqng_able */
- 0, /* 07 bios_scan */
- 0, /* 08 scam_tolerant */
- 1, /* 09 adapter_scsi_id */
- 1, /* bios_boot_delay */
- 1, /* 10 scsi_reset_delay */
- 1, /* bios_id_lun */
- 1, /* 11 termination_se */
- 1, /* termination_lvd */
- 0, /* 12 bios_ctrl */
- 0, /* 13 sdtr_speed2 */
- 0, /* 14 sdtr_speed3 */
- 1, /* 15 max_host_qng */
- 1, /* max_dvc_qng */
- 0, /* 16 dvc_cntl */
- 0, /* 17 sdtr_speed4 */
- 0, /* 18 serial_number_word1 */
- 0, /* 19 serial_number_word2 */
- 0, /* 20 serial_number_word3 */
- 0, /* 21 check_sum */
- {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}
- , /* 22-29 oem_name[16] */
- 0, /* 30 dvc_err_code */
- 0, /* 31 adv_err_code */
- 0, /* 32 adv_err_addr */
- 0, /* 33 saved_dvc_err_code */
- 0, /* 34 saved_adv_err_code */
- 0, /* 35 saved_adv_err_addr */
- 0, /* 36 reserved */
- 0, /* 37 reserved */
- 0, /* 38 reserved */
- 0, /* 39 reserved */
- 0, /* 40 reserved */
- 0, /* 41 reserved */
- 0, /* 42 reserved */
- 0, /* 43 reserved */
- 0, /* 44 reserved */
- 0, /* 45 reserved */
- 0, /* 46 reserved */
- 0, /* 47 reserved */
- 0, /* 48 reserved */
- 0, /* 49 reserved */
- 0, /* 50 reserved */
- 0, /* 51 reserved */
- 0, /* 52 reserved */
- 0, /* 53 reserved */
- 0, /* 54 reserved */
- 0, /* 55 reserved */
- 0, /* 56 cisptr_lsw */
- 0, /* 57 cisprt_msw */
- 0, /* 58 subsysvid */
- 0, /* 59 subsysid */
- 0, /* 60 reserved */
- 0, /* 61 reserved */
- 0, /* 62 reserved */
- 0 /* 63 reserved */
-};
+ if (AscIsIntPending(iop_base) == 0)
+ return int_pending;
+
+ if ((asc_dvc->init_state & ASC_INIT_STATE_END_LOAD_MC) == 0) {
+ return ERR;
+ }
+ if (asc_dvc->in_critical_cnt != 0) {
+ AscSetLibErrorCode(asc_dvc, ASCQ_ERR_ISR_ON_CRITICAL);
+ return ERR;
+ }
+ if (asc_dvc->is_in_int) {
+ AscSetLibErrorCode(asc_dvc, ASCQ_ERR_ISR_RE_ENTRY);
+ return ERR;
+ }
+ asc_dvc->is_in_int = TRUE;
+ ctrl_reg = AscGetChipControl(iop_base);
+ saved_ctrl_reg = ctrl_reg & (~(CC_SCSI_RESET | CC_CHIP_RESET |
+ CC_SINGLE_STEP | CC_DIAG | CC_TEST));
+ chipstat = AscGetChipStatus(iop_base);
+ if (chipstat & CSW_SCSI_RESET_LATCH) {
+ if (!(asc_dvc->bus_type & (ASC_IS_VL | ASC_IS_EISA))) {
+ int i = 10;
+ int_pending = TRUE;
+ asc_dvc->sdtr_done = 0;
+ saved_ctrl_reg &= (uchar)(~CC_HALT);
+ while ((AscGetChipStatus(iop_base) &
+ CSW_SCSI_RESET_ACTIVE) && (i-- > 0)) {
+ mdelay(100);
+ }
+ AscSetChipControl(iop_base, (CC_CHIP_RESET | CC_HALT));
+ AscSetChipControl(iop_base, CC_HALT);
+ AscSetChipStatus(iop_base, CIW_CLR_SCSI_RESET_INT);
+ AscSetChipStatus(iop_base, 0);
+ chipstat = AscGetChipStatus(iop_base);
+ }
+ }
+ saved_ram_addr = AscGetChipLramAddr(iop_base);
+ host_flag = AscReadLramByte(iop_base,
+ ASCV_HOST_FLAG_B) &
+ (uchar)(~ASC_HOST_FLAG_IN_ISR);
+ AscWriteLramByte(iop_base, ASCV_HOST_FLAG_B,
+ (uchar)(host_flag | (uchar)ASC_HOST_FLAG_IN_ISR));
+ if ((chipstat & CSW_INT_PENDING) || (int_pending)) {
+ AscAckInterrupt(iop_base);
+ int_pending = TRUE;
+ if ((chipstat & CSW_HALTED) && (ctrl_reg & CC_SINGLE_STEP)) {
+ if (AscIsrChipHalted(asc_dvc) == ERR) {
+ goto ISR_REPORT_QDONE_FATAL_ERROR;
+ } else {
+ saved_ctrl_reg &= (uchar)(~CC_HALT);
+ }
+ } else {
+ ISR_REPORT_QDONE_FATAL_ERROR:
+ if ((asc_dvc->dvc_cntl & ASC_CNTL_INT_MULTI_Q) != 0) {
+ while (((status =
+ AscIsrQDone(asc_dvc)) & 0x01) != 0) {
+ }
+ } else {
+ do {
+ if ((status =
+ AscIsrQDone(asc_dvc)) == 1) {
+ break;
+ }
+ } while (status == 0x11);
+ }
+ if ((status & 0x80) != 0)
+ int_pending = ERR;
+ }
+ }
+ AscWriteLramByte(iop_base, ASCV_HOST_FLAG_B, host_flag);
+ AscSetChipLramAddr(iop_base, saved_ram_addr);
+ AscSetChipControl(iop_base, saved_ctrl_reg);
+ asc_dvc->is_in_int = FALSE;
+ return int_pending;
+}
-#ifdef CONFIG_PCI
/*
- * Initialize the ADV_DVC_VAR structure.
+ * advansys_reset()
*
- * On failure set the ADV_DVC_VAR field 'err_code' and return ADV_ERROR.
+ * Reset the bus associated with the command 'scp'.
*
- * For a non-fatal error return a warning code. If there are no warnings
- * then 0 is returned.
+ * This function runs its own thread. Interrupts must be blocked but
+ * sleeping is allowed and no locking other than for host structures is
+ * required. Returns SUCCESS or FAILED.
*/
-static int __devinit
-AdvInitGetConfig(struct pci_dev *pdev, asc_board_t *boardp)
+static int advansys_reset(struct scsi_cmnd *scp)
{
- ADV_DVC_VAR *asc_dvc = &boardp->dvc_var.adv_dvc_var;
- unsigned short warn_code = 0;
- AdvPortAddr iop_base = asc_dvc->iop_base;
- u16 cmd;
+ struct Scsi_Host *shost;
+ asc_board_t *boardp;
+ ASC_DVC_VAR *asc_dvc_varp;
+ ADV_DVC_VAR *adv_dvc_varp;
+ ulong flags;
int status;
+ int ret = SUCCESS;
- asc_dvc->err_code = 0;
-
- /*
- * Save the state of the PCI Configuration Command Register
- * "Parity Error Response Control" Bit. If the bit is clear (0),
- * in AdvInitAsc3550/38C0800Driver() tell the microcode to ignore
- * DMA parity errors.
- */
- asc_dvc->cfg->control_flag = 0;
- pci_read_config_word(pdev, PCI_COMMAND, &cmd);
- if ((cmd & PCI_COMMAND_PARITY) == 0)
- asc_dvc->cfg->control_flag |= CONTROL_FLAG_IGNORE_PERR;
+ ASC_DBG1(1, "advansys_reset: 0x%lx\n", (ulong)scp);
- asc_dvc->cfg->lib_version = (ADV_LIB_VERSION_MAJOR << 8) |
- ADV_LIB_VERSION_MINOR;
- asc_dvc->cfg->chip_version =
- AdvGetChipVersion(iop_base, asc_dvc->bus_type);
+#ifdef ADVANSYS_STATS
+ if (scp->device->host != NULL) {
+ ASC_STATS(scp->device->host, reset);
+ }
+#endif /* ADVANSYS_STATS */
- ASC_DBG2(1, "AdvInitGetConfig: iopb_chip_id_1: 0x%x 0x%x\n",
- (ushort)AdvReadByteRegister(iop_base, IOPB_CHIP_ID_1),
- (ushort)ADV_CHIP_ID_BYTE);
+ if ((shost = scp->device->host) == NULL) {
+ scp->result = HOST_BYTE(DID_ERROR);
+ return FAILED;
+ }
- ASC_DBG2(1, "AdvInitGetConfig: iopw_chip_id_0: 0x%x 0x%x\n",
- (ushort)AdvReadWordRegister(iop_base, IOPW_CHIP_ID_0),
- (ushort)ADV_CHIP_ID_WORD);
+ boardp = ASC_BOARDP(shost);
+ ASC_PRINT1("advansys_reset: board %d: SCSI bus reset started...\n",
+ boardp->id);
/*
- * Reset the chip to start and allow register writes.
+ * Check for re-entrancy.
*/
- if (AdvFindSignature(iop_base) == 0) {
- asc_dvc->err_code = ASC_IERR_BAD_SIGNATURE;
- return ADV_ERROR;
- } else {
+ spin_lock_irqsave(&boardp->lock, flags);
+ if (boardp->flags & ASC_HOST_IN_RESET) {
+ spin_unlock_irqrestore(&boardp->lock, flags);
+ return FAILED;
+ }
+ boardp->flags |= ASC_HOST_IN_RESET;
+ spin_unlock_irqrestore(&boardp->lock, flags);
+
+ if (ASC_NARROW_BOARD(boardp)) {
/*
- * The caller must set 'chip_type' to a valid setting.
+ * Narrow Board
*/
- if (asc_dvc->chip_type != ADV_CHIP_ASC3550 &&
- asc_dvc->chip_type != ADV_CHIP_ASC38C0800 &&
- asc_dvc->chip_type != ADV_CHIP_ASC38C1600) {
- asc_dvc->err_code |= ASC_IERR_BAD_CHIPTYPE;
- return ADV_ERROR;
- }
+ asc_dvc_varp = &boardp->dvc_var.asc_dvc_var;
/*
- * Reset Chip.
+ * Reset the chip and SCSI bus.
*/
- AdvWriteWordRegister(iop_base, IOPW_CTRL_REG,
- ADV_CTRL_REG_CMD_RESET);
- mdelay(100);
- AdvWriteWordRegister(iop_base, IOPW_CTRL_REG,
- ADV_CTRL_REG_CMD_WR_IO_REG);
+ ASC_DBG(1, "advansys_reset: before AscInitAsc1000Driver()\n");
+ status = AscInitAsc1000Driver(asc_dvc_varp);
- if (asc_dvc->chip_type == ADV_CHIP_ASC38C1600) {
- status = AdvInitFrom38C1600EEP(asc_dvc);
- } else if (asc_dvc->chip_type == ADV_CHIP_ASC38C0800) {
- status = AdvInitFrom38C0800EEP(asc_dvc);
+ /* Refer to ASC_IERR_* defintions for meaning of 'err_code'. */
+ if (asc_dvc_varp->err_code) {
+ ASC_PRINT2("advansys_reset: board %d: SCSI bus reset "
+ "error: 0x%x\n", boardp->id,
+ asc_dvc_varp->err_code);
+ ret = FAILED;
+ } else if (status) {
+ ASC_PRINT2("advansys_reset: board %d: SCSI bus reset "
+ "warning: 0x%x\n", boardp->id, status);
} else {
- status = AdvInitFrom3550EEP(asc_dvc);
+ ASC_PRINT1("advansys_reset: board %d: SCSI bus reset "
+ "successful.\n", boardp->id);
}
- warn_code |= status;
- }
-
- if (warn_code != 0) {
- ASC_PRINT2("AdvInitGetConfig: board %d: warning: 0x%x\n",
- boardp->id, warn_code);
- }
-
- if (asc_dvc->err_code) {
- ASC_PRINT2("AdvInitGetConfig: board %d error: err_code 0x%x\n",
- boardp->id, asc_dvc->err_code);
- }
-
- return asc_dvc->err_code;
-}
-#endif
-
-static void AdvBuildCarrierFreelist(struct adv_dvc_var *asc_dvc)
-{
- ADV_CARR_T *carrp;
- ADV_SDCNT buf_size;
- ADV_PADDR carr_paddr;
- BUG_ON(!asc_dvc->carrier_buf);
+ ASC_DBG(1, "advansys_reset: after AscInitAsc1000Driver()\n");
+ spin_lock_irqsave(&boardp->lock, flags);
- carrp = (ADV_CARR_T *) ADV_16BALIGN(asc_dvc->carrier_buf);
- asc_dvc->carr_freelist = NULL;
- if (carrp == asc_dvc->carrier_buf) {
- buf_size = ADV_CARRIER_BUFSIZE;
} else {
- buf_size = ADV_CARRIER_BUFSIZE - sizeof(ADV_CARR_T);
- }
-
- do {
- /* Get physical address of the carrier 'carrp'. */
- ADV_DCNT contig_len = sizeof(ADV_CARR_T);
- carr_paddr = cpu_to_le32(DvcGetPhyAddr(asc_dvc, NULL,
- (uchar *)carrp,
- (ADV_SDCNT *)&contig_len,
- ADV_IS_CARRIER_FLAG));
-
- buf_size -= sizeof(ADV_CARR_T);
-
/*
- * If the current carrier is not physically contiguous, then
- * maybe there was a page crossing. Try the next carrier
- * aligned start address.
+ * Wide Board
+ *
+ * If the suggest reset bus flags are set, then reset the bus.
+ * Otherwise only reset the device.
*/
- if (contig_len < sizeof(ADV_CARR_T)) {
- carrp++;
- continue;
- }
-
- carrp->carr_pa = carr_paddr;
- carrp->carr_va = cpu_to_le32(ADV_VADDR_TO_U32(carrp));
+ adv_dvc_varp = &boardp->dvc_var.adv_dvc_var;
/*
- * Insert the carrier at the beginning of the freelist.
+ * Reset the target's SCSI bus.
*/
- carrp->next_vpa =
- cpu_to_le32(ADV_VADDR_TO_U32(asc_dvc->carr_freelist));
- asc_dvc->carr_freelist = carrp;
-
- carrp++;
- } while (buf_size > 0);
-}
-
-/*
- * Load the Microcode
- *
- * Write the microcode image to RISC memory starting at address 0.
- *
- * The microcode is stored compressed in the following format:
- *
- * 254 word (508 byte) table indexed by byte code followed
- * by the following byte codes:
- *
- * 1-Byte Code:
- * 00: Emit word 0 in table.
- * 01: Emit word 1 in table.
- * .
- * FD: Emit word 253 in table.
- *
- * Multi-Byte Code:
- * FE WW WW: (3 byte code) Word to emit is the next word WW WW.
- * FF BB WW WW: (4 byte code) Emit BB count times next word WW WW.
- *
- * Returns 0 or an error if the checksum doesn't match
- */
-static int AdvLoadMicrocode(AdvPortAddr iop_base, unsigned char *buf, int size,
- int memsize, int chksum)
-{
- int i, j, end, len = 0;
- ADV_DCNT sum;
-
- AdvWriteWordRegister(iop_base, IOPW_RAM_ADDR, 0);
-
- for (i = 253 * 2; i < size; i++) {
- if (buf[i] == 0xff) {
- unsigned short word = (buf[i + 3] << 8) | buf[i + 2];
- for (j = 0; j < buf[i + 1]; j++) {
- AdvWriteWordAutoIncLram(iop_base, word);
- len += 2;
- }
- i += 3;
- } else if (buf[i] == 0xfe) {
- unsigned short word = (buf[i + 2] << 8) | buf[i + 1];
- AdvWriteWordAutoIncLram(iop_base, word);
- i += 2;
- len += 2;
- } else {
- unsigned char off = buf[i] * 2;
- unsigned short word = (buf[off + 1] << 8) | buf[off];
- AdvWriteWordAutoIncLram(iop_base, word);
- len += 2;
+ ASC_DBG(1, "advansys_reset: before AdvResetChipAndSB()\n");
+ switch (AdvResetChipAndSB(adv_dvc_varp)) {
+ case ASC_TRUE:
+ ASC_PRINT1("advansys_reset: board %d: SCSI bus reset "
+ "successful.\n", boardp->id);
+ break;
+ case ASC_FALSE:
+ default:
+ ASC_PRINT1("advansys_reset: board %d: SCSI bus reset "
+ "error.\n", boardp->id);
+ ret = FAILED;
+ break;
}
+ spin_lock_irqsave(&boardp->lock, flags);
+ AdvISR(adv_dvc_varp);
}
+ /* Board lock is held. */
- end = len;
-
- while (len < memsize) {
- AdvWriteWordAutoIncLram(iop_base, 0);
- len += 2;
- }
-
- /* Verify the microcode checksum. */
- sum = 0;
- AdvWriteWordRegister(iop_base, IOPW_RAM_ADDR, 0);
+ /* Save the time of the most recently completed reset. */
+ boardp->last_reset = jiffies;
- for (len = 0; len < end; len += 2) {
- sum += AdvReadWordAutoIncLram(iop_base);
- }
+ /* Clear reset flag. */
+ boardp->flags &= ~ASC_HOST_IN_RESET;
+ spin_unlock_irqrestore(&boardp->lock, flags);
- if (sum != chksum)
- return ASC_IERR_MCODE_CHKSUM;
+ ASC_DBG1(1, "advansys_reset: ret %d\n", ret);
- return 0;
+ return ret;
}
/*
- * Initialize the ASC-3550.
- *
- * On failure set the ADV_DVC_VAR field 'err_code' and return ADV_ERROR.
+ * advansys_biosparam()
*
- * For a non-fatal error return a warning code. If there are no warnings
- * then 0 is returned.
+ * Translate disk drive geometry if the "BIOS greater than 1 GB"
+ * support is enabled for a drive.
*
- * Needed after initialization for error recovery.
+ * ip (information pointer) is an int array with the following definition:
+ * ip[0]: heads
+ * ip[1]: sectors
+ * ip[2]: cylinders
*/
-static int AdvInitAsc3550Driver(ADV_DVC_VAR *asc_dvc)
+static int
+advansys_biosparam(struct scsi_device *sdev, struct block_device *bdev,
+ sector_t capacity, int ip[])
{
- AdvPortAddr iop_base;
- ushort warn_code;
- int begin_addr;
- int end_addr;
- ushort code_sum;
- int word;
- int i;
- ushort scsi_cfg1;
- uchar tid;
- ushort bios_mem[ASC_MC_BIOSLEN / 2]; /* BIOS RISC Memory 0x40-0x8F. */
- ushort wdtr_able = 0, sdtr_able, tagqng_able;
- uchar max_cmd[ADV_MAX_TID + 1];
-
- /* If there is already an error, don't continue. */
- if (asc_dvc->err_code != 0)
- return ADV_ERROR;
+ asc_board_t *boardp;
- /*
- * The caller must set 'chip_type' to ADV_CHIP_ASC3550.
- */
- if (asc_dvc->chip_type != ADV_CHIP_ASC3550) {
- asc_dvc->err_code = ASC_IERR_BAD_CHIPTYPE;
- return ADV_ERROR;
+ ASC_DBG(1, "advansys_biosparam: begin\n");
+ ASC_STATS(sdev->host, biosparam);
+ boardp = ASC_BOARDP(sdev->host);
+ if (ASC_NARROW_BOARD(boardp)) {
+ if ((boardp->dvc_var.asc_dvc_var.dvc_cntl &
+ ASC_CNTL_BIOS_GT_1GB) && capacity > 0x200000) {
+ ip[0] = 255;
+ ip[1] = 63;
+ } else {
+ ip[0] = 64;
+ ip[1] = 32;
+ }
+ } else {
+ if ((boardp->dvc_var.adv_dvc_var.bios_ctrl &
+ BIOS_CTRL_EXTENDED_XLAT) && capacity > 0x200000) {
+ ip[0] = 255;
+ ip[1] = 63;
+ } else {
+ ip[0] = 64;
+ ip[1] = 32;
+ }
}
+ ip[2] = (unsigned long)capacity / (ip[0] * ip[1]);
+ ASC_DBG(1, "advansys_biosparam: end\n");
+ return 0;
+}
- warn_code = 0;
- iop_base = asc_dvc->iop_base;
+/*
+ * First-level interrupt handler.
+ *
+ * 'dev_id' is a pointer to the interrupting adapter's Scsi_Host.
+ */
+static irqreturn_t advansys_interrupt(int irq, void *dev_id)
+{
+ unsigned long flags;
+ struct Scsi_Host *shost = dev_id;
+ asc_board_t *boardp = ASC_BOARDP(shost);
+ irqreturn_t result = IRQ_NONE;
- /*
- * Save the RISC memory BIOS region before writing the microcode.
- * The BIOS may already be loaded and using its RISC LRAM region
- * so its region must be saved and restored.
- *
- * Note: This code makes the assumption, which is currently true,
- * that a chip reset does not clear RISC LRAM.
- */
- for (i = 0; i < ASC_MC_BIOSLEN / 2; i++) {
- AdvReadWordLram(iop_base, ASC_MC_BIOSMEM + (2 * i),
- bios_mem[i]);
+ ASC_DBG1(2, "advansys_interrupt: boardp 0x%p\n", boardp);
+ spin_lock_irqsave(&boardp->lock, flags);
+ if (ASC_NARROW_BOARD(boardp)) {
+ if (AscIsIntPending(shost->io_port)) {
+ result = IRQ_HANDLED;
+ ASC_STATS(shost, interrupt);
+ ASC_DBG(1, "advansys_interrupt: before AscISR()\n");
+ AscISR(&boardp->dvc_var.asc_dvc_var);
+ }
+ } else {
+ ASC_DBG(1, "advansys_interrupt: before AdvISR()\n");
+ if (AdvISR(&boardp->dvc_var.adv_dvc_var)) {
+ result = IRQ_HANDLED;
+ ASC_STATS(shost, interrupt);
+ }
}
+ spin_unlock_irqrestore(&boardp->lock, flags);
- /*
- * Save current per TID negotiated values.
- */
- if (bios_mem[(ASC_MC_BIOS_SIGNATURE - ASC_MC_BIOSMEM) / 2] == 0x55AA) {
- ushort bios_version, major, minor;
+ ASC_DBG(1, "advansys_interrupt: end\n");
+ return result;
+}
- bios_version =
- bios_mem[(ASC_MC_BIOS_VERSION - ASC_MC_BIOSMEM) / 2];
- major = (bios_version >> 12) & 0xF;
- minor = (bios_version >> 8) & 0xF;
- if (major < 3 || (major == 3 && minor == 1)) {
- /* BIOS 3.1 and earlier location of 'wdtr_able' variable. */
- AdvReadWordLram(iop_base, 0x120, wdtr_able);
- } else {
- AdvReadWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able);
+static int AscHostReqRiscHalt(PortAddr iop_base)
+{
+ int count = 0;
+ int sta = 0;
+ uchar saved_stop_code;
+
+ if (AscIsChipHalted(iop_base))
+ return (1);
+ saved_stop_code = AscReadLramByte(iop_base, ASCV_STOP_CODE_B);
+ AscWriteLramByte(iop_base, ASCV_STOP_CODE_B,
+ ASC_STOP_HOST_REQ_RISC_HALT | ASC_STOP_REQ_RISC_STOP);
+ do {
+ if (AscIsChipHalted(iop_base)) {
+ sta = 1;
+ break;
}
- }
- AdvReadWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able);
- AdvReadWordLram(iop_base, ASC_MC_TAGQNG_ABLE, tagqng_able);
- for (tid = 0; tid <= ADV_MAX_TID; tid++) {
- AdvReadByteLram(iop_base, ASC_MC_NUMBER_OF_MAX_CMD + tid,
- max_cmd[tid]);
- }
+ mdelay(100);
+ } while (count++ < 20);
+ AscWriteLramByte(iop_base, ASCV_STOP_CODE_B, saved_stop_code);
+ return (sta);
+}
- asc_dvc->err_code = AdvLoadMicrocode(iop_base, _adv_asc3550_buf,
- _adv_asc3550_size, ADV_3550_MEMSIZE,
- _adv_asc3550_chksum);
- if (asc_dvc->err_code)
- return ADV_ERROR;
+static int
+AscSetRunChipSynRegAtID(PortAddr iop_base, uchar tid_no, uchar sdtr_data)
+{
+ int sta = FALSE;
- /*
- * Restore the RISC memory BIOS region.
- */
- for (i = 0; i < ASC_MC_BIOSLEN / 2; i++) {
- AdvWriteWordLram(iop_base, ASC_MC_BIOSMEM + (2 * i),
- bios_mem[i]);
+ if (AscHostReqRiscHalt(iop_base)) {
+ sta = AscSetChipSynRegAtID(iop_base, tid_no, sdtr_data);
+ AscStartChip(iop_base);
}
+ return sta;
+}
- /*
- * Calculate and write the microcode code checksum to the microcode
- * code checksum location ASC_MC_CODE_CHK_SUM (0x2C).
- */
- AdvReadWordLram(iop_base, ASC_MC_CODE_BEGIN_ADDR, begin_addr);
- AdvReadWordLram(iop_base, ASC_MC_CODE_END_ADDR, end_addr);
- code_sum = 0;
- AdvWriteWordRegister(iop_base, IOPW_RAM_ADDR, begin_addr);
- for (word = begin_addr; word < end_addr; word += 2) {
- code_sum += AdvReadWordAutoIncLram(iop_base);
- }
- AdvWriteWordLram(iop_base, ASC_MC_CODE_CHK_SUM, code_sum);
+static void AscAsyncFix(ASC_DVC_VAR *asc_dvc, struct scsi_device *sdev)
+{
+ char type = sdev->type;
+ ASC_SCSI_BIT_ID_TYPE tid_bits = 1 << sdev->id;
- /*
- * Read and save microcode version and date.
- */
- AdvReadWordLram(iop_base, ASC_MC_VERSION_DATE,
- asc_dvc->cfg->mcode_date);
- AdvReadWordLram(iop_base, ASC_MC_VERSION_NUM,
- asc_dvc->cfg->mcode_version);
+ if (!(asc_dvc->bug_fix_cntl & ASC_BUG_FIX_ASYN_USE_SYN))
+ return;
+ if (asc_dvc->init_sdtr & tid_bits)
+ return;
- /*
- * Set the chip type to indicate the ASC3550.
- */
- AdvWriteWordLram(iop_base, ASC_MC_CHIP_TYPE, ADV_CHIP_ASC3550);
+ if ((type == TYPE_ROM) && (strncmp(sdev->vendor, "HP ", 3) == 0))
+ asc_dvc->pci_fix_asyn_xfer_always |= tid_bits;
- /*
- * If the PCI Configuration Command Register "Parity Error Response
- * Control" Bit was clear (0), then set the microcode variable
- * 'control_flag' CONTROL_FLAG_IGNORE_PERR flag to tell the microcode
- * to ignore DMA parity errors.
- */
- if (asc_dvc->cfg->control_flag & CONTROL_FLAG_IGNORE_PERR) {
- AdvReadWordLram(iop_base, ASC_MC_CONTROL_FLAG, word);
- word |= CONTROL_FLAG_IGNORE_PERR;
- AdvWriteWordLram(iop_base, ASC_MC_CONTROL_FLAG, word);
- }
+ asc_dvc->pci_fix_asyn_xfer |= tid_bits;
+ if ((type == TYPE_PROCESSOR) || (type == TYPE_SCANNER) ||
+ (type == TYPE_ROM) || (type == TYPE_TAPE))
+ asc_dvc->pci_fix_asyn_xfer &= ~tid_bits;
+
+ if (asc_dvc->pci_fix_asyn_xfer & tid_bits)
+ AscSetRunChipSynRegAtID(asc_dvc->iop_base, sdev->id,
+ ASYN_SDTR_DATA_FIX_PCI_REV_AB);
+}
- /*
- * For ASC-3550, setting the START_CTL_EMFU [3:2] bits sets a FIFO
- * threshold of 128 bytes. This register is only accessible to the host.
- */
- AdvWriteByteRegister(iop_base, IOPB_DMA_CFG0,
- START_CTL_EMFU | READ_CMD_MRM);
+static void
+advansys_narrow_slave_configure(struct scsi_device *sdev, ASC_DVC_VAR *asc_dvc)
+{
+ ASC_SCSI_BIT_ID_TYPE tid_bit = 1 << sdev->id;
+ ASC_SCSI_BIT_ID_TYPE orig_use_tagged_qng = asc_dvc->use_tagged_qng;
- /*
- * Microcode operating variables for WDTR, SDTR, and command tag
- * queuing will be set in slave_configure() based on what a
- * device reports it is capable of in Inquiry byte 7.
- *
- * If SCSI Bus Resets have been disabled, then directly set
- * SDTR and WDTR from the EEPROM configuration. This will allow
- * the BIOS and warm boot to work without a SCSI bus hang on
- * the Inquiry caused by host and target mismatched DTR values.
- * Without the SCSI Bus Reset, before an Inquiry a device can't
- * be assumed to be in Asynchronous, Narrow mode.
- */
- if ((asc_dvc->bios_ctrl & BIOS_CTRL_RESET_SCSI_BUS) == 0) {
- AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE,
- asc_dvc->wdtr_able);
- AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE,
- asc_dvc->sdtr_able);
+ if (sdev->lun == 0) {
+ ASC_SCSI_BIT_ID_TYPE orig_init_sdtr = asc_dvc->init_sdtr;
+ if ((asc_dvc->cfg->sdtr_enable & tid_bit) && sdev->sdtr) {
+ asc_dvc->init_sdtr |= tid_bit;
+ } else {
+ asc_dvc->init_sdtr &= ~tid_bit;
+ }
+
+ if (orig_init_sdtr != asc_dvc->init_sdtr)
+ AscAsyncFix(asc_dvc, sdev);
}
- /*
- * Set microcode operating variables for SDTR_SPEED1, SDTR_SPEED2,
- * SDTR_SPEED3, and SDTR_SPEED4 based on the ULTRA EEPROM per TID
- * bitmask. These values determine the maximum SDTR speed negotiated
- * with a device.
- *
- * The SDTR per TID bitmask overrides the SDTR_SPEED1, SDTR_SPEED2,
- * SDTR_SPEED3, and SDTR_SPEED4 values so it is safe to set them
- * without determining here whether the device supports SDTR.
- *
- * 4-bit speed SDTR speed name
- * =========== ===============
- * 0000b (0x0) SDTR disabled
- * 0001b (0x1) 5 Mhz
- * 0010b (0x2) 10 Mhz
- * 0011b (0x3) 20 Mhz (Ultra)
- * 0100b (0x4) 40 Mhz (LVD/Ultra2)
- * 0101b (0x5) 80 Mhz (LVD2/Ultra3)
- * 0110b (0x6) Undefined
- * .
- * 1111b (0xF) Undefined
- */
- word = 0;
- for (tid = 0; tid <= ADV_MAX_TID; tid++) {
- if (ADV_TID_TO_TIDMASK(tid) & asc_dvc->ultra_able) {
- /* Set Ultra speed for TID 'tid'. */
- word |= (0x3 << (4 * (tid % 4)));
- } else {
- /* Set Fast speed for TID 'tid'. */
- word |= (0x2 << (4 * (tid % 4)));
+ if (sdev->tagged_supported) {
+ if (asc_dvc->cfg->cmd_qng_enabled & tid_bit) {
+ if (sdev->lun == 0) {
+ asc_dvc->cfg->can_tagged_qng |= tid_bit;
+ asc_dvc->use_tagged_qng |= tid_bit;
+ }
+ scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG,
+ asc_dvc->max_dvc_qng[sdev->id]);
}
- if (tid == 3) { /* Check if done with sdtr_speed1. */
- AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED1, word);
- word = 0;
- } else if (tid == 7) { /* Check if done with sdtr_speed2. */
- AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED2, word);
- word = 0;
- } else if (tid == 11) { /* Check if done with sdtr_speed3. */
- AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED3, word);
- word = 0;
- } else if (tid == 15) { /* Check if done with sdtr_speed4. */
- AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED4, word);
- /* End of loop. */
+ } else {
+ if (sdev->lun == 0) {
+ asc_dvc->cfg->can_tagged_qng &= ~tid_bit;
+ asc_dvc->use_tagged_qng &= ~tid_bit;
}
+ scsi_adjust_queue_depth(sdev, 0, sdev->host->cmd_per_lun);
}
- /*
- * Set microcode operating variable for the disconnect per TID bitmask.
- */
- AdvWriteWordLram(iop_base, ASC_MC_DISC_ENABLE,
- asc_dvc->cfg->disc_enable);
+ if ((sdev->lun == 0) &&
+ (orig_use_tagged_qng != asc_dvc->use_tagged_qng)) {
+ AscWriteLramByte(asc_dvc->iop_base, ASCV_DISC_ENABLE_B,
+ asc_dvc->cfg->disc_enable);
+ AscWriteLramByte(asc_dvc->iop_base, ASCV_USE_TAGGED_QNG_B,
+ asc_dvc->use_tagged_qng);
+ AscWriteLramByte(asc_dvc->iop_base, ASCV_CAN_TAGGED_QNG_B,
+ asc_dvc->cfg->can_tagged_qng);
- /*
- * Set SCSI_CFG0 Microcode Default Value.
- *
- * The microcode will set the SCSI_CFG0 register using this value
- * after it is started below.
- */
- AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SCSI_CFG0,
- PARITY_EN | QUEUE_128 | SEL_TMO_LONG | OUR_ID_EN |
- asc_dvc->chip_scsi_id);
+ asc_dvc->max_dvc_qng[sdev->id] =
+ asc_dvc->cfg->max_tag_qng[sdev->id];
+ AscWriteLramByte(asc_dvc->iop_base,
+ (ushort)(ASCV_MAX_DVC_QNG_BEG + sdev->id),
+ asc_dvc->max_dvc_qng[sdev->id]);
+ }
+}
- /*
- * Determine SCSI_CFG1 Microcode Default Value.
- *
- * The microcode will set the SCSI_CFG1 register using this value
- * after it is started below.
- */
+/*
+ * Wide Transfers
+ *
+ * If the EEPROM enabled WDTR for the device and the device supports wide
+ * bus (16 bit) transfers, then turn on the device's 'wdtr_able' bit and
+ * write the new value to the microcode.
+ */
+static void
+advansys_wide_enable_wdtr(AdvPortAddr iop_base, unsigned short tidmask)
+{
+ unsigned short cfg_word;
+ AdvReadWordLram(iop_base, ASC_MC_WDTR_ABLE, cfg_word);
+ if ((cfg_word & tidmask) != 0)
+ return;
- /* Read current SCSI_CFG1 Register value. */
- scsi_cfg1 = AdvReadWordRegister(iop_base, IOPW_SCSI_CFG1);
+ cfg_word |= tidmask;
+ AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE, cfg_word);
/*
- * If all three connectors are in use, return an error.
+ * Clear the microcode SDTR and WDTR negotiation done indicators for
+ * the target to cause it to negotiate with the new setting set above.
+ * WDTR when accepted causes the target to enter asynchronous mode, so
+ * SDTR must be negotiated.
*/
- if ((scsi_cfg1 & CABLE_ILLEGAL_A) == 0 ||
- (scsi_cfg1 & CABLE_ILLEGAL_B) == 0) {
- asc_dvc->err_code |= ASC_IERR_ILLEGAL_CONNECTION;
- return ADV_ERROR;
- }
+ AdvReadWordLram(iop_base, ASC_MC_SDTR_DONE, cfg_word);
+ cfg_word &= ~tidmask;
+ AdvWriteWordLram(iop_base, ASC_MC_SDTR_DONE, cfg_word);
+ AdvReadWordLram(iop_base, ASC_MC_WDTR_DONE, cfg_word);
+ cfg_word &= ~tidmask;
+ AdvWriteWordLram(iop_base, ASC_MC_WDTR_DONE, cfg_word);
+}
- /*
- * If the internal narrow cable is reversed all of the SCSI_CTRL
- * register signals will be set. Check for and return an error if
- * this condition is found.
- */
- if ((AdvReadWordRegister(iop_base, IOPW_SCSI_CTRL) & 0x3F07) == 0x3F07) {
- asc_dvc->err_code |= ASC_IERR_REVERSED_CABLE;
- return ADV_ERROR;
- }
+/*
+ * Synchronous Transfers
+ *
+ * If the EEPROM enabled SDTR for the device and the device
+ * supports synchronous transfers, then turn on the device's
+ * 'sdtr_able' bit. Write the new value to the microcode.
+ */
+static void
+advansys_wide_enable_sdtr(AdvPortAddr iop_base, unsigned short tidmask)
+{
+ unsigned short cfg_word;
+ AdvReadWordLram(iop_base, ASC_MC_SDTR_ABLE, cfg_word);
+ if ((cfg_word & tidmask) != 0)
+ return;
- /*
- * If this is a differential board and a single-ended device
- * is attached to one of the connectors, return an error.
- */
- if ((scsi_cfg1 & DIFF_MODE) && (scsi_cfg1 & DIFF_SENSE) == 0) {
- asc_dvc->err_code |= ASC_IERR_SINGLE_END_DEVICE;
- return ADV_ERROR;
- }
+ cfg_word |= tidmask;
+ AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE, cfg_word);
/*
- * If automatic termination control is enabled, then set the
- * termination value based on a table listed in a_condor.h.
- *
- * If manual termination was specified with an EEPROM setting
- * then 'termination' was set-up in AdvInitFrom3550EEPROM() and
- * is ready to be 'ored' into SCSI_CFG1.
+ * Clear the microcode "SDTR negotiation" done indicator for the
+ * target to cause it to negotiate with the new setting set above.
*/
- if (asc_dvc->cfg->termination == 0) {
- /*
- * The software always controls termination by setting TERM_CTL_SEL.
- * If TERM_CTL_SEL were set to 0, the hardware would set termination.
- */
- asc_dvc->cfg->termination |= TERM_CTL_SEL;
+ AdvReadWordLram(iop_base, ASC_MC_SDTR_DONE, cfg_word);
+ cfg_word &= ~tidmask;
+ AdvWriteWordLram(iop_base, ASC_MC_SDTR_DONE, cfg_word);
+}
- switch (scsi_cfg1 & CABLE_DETECT) {
- /* TERM_CTL_H: on, TERM_CTL_L: on */
- case 0x3:
- case 0x7:
- case 0xB:
- case 0xD:
- case 0xE:
- case 0xF:
- asc_dvc->cfg->termination |= (TERM_CTL_H | TERM_CTL_L);
- break;
+/*
+ * PPR (Parallel Protocol Request) Capable
+ *
+ * If the device supports DT mode, then it must be PPR capable.
+ * The PPR message will be used in place of the SDTR and WDTR
+ * messages to negotiate synchronous speed and offset, transfer
+ * width, and protocol options.
+ */
+static void advansys_wide_enable_ppr(ADV_DVC_VAR *adv_dvc,
+ AdvPortAddr iop_base, unsigned short tidmask)
+{
+ AdvReadWordLram(iop_base, ASC_MC_PPR_ABLE, adv_dvc->ppr_able);
+ adv_dvc->ppr_able |= tidmask;
+ AdvWriteWordLram(iop_base, ASC_MC_PPR_ABLE, adv_dvc->ppr_able);
+}
- /* TERM_CTL_H: on, TERM_CTL_L: off */
- case 0x1:
- case 0x5:
- case 0x9:
- case 0xA:
- case 0xC:
- asc_dvc->cfg->termination |= TERM_CTL_H;
- break;
+static void
+advansys_wide_slave_configure(struct scsi_device *sdev, ADV_DVC_VAR *adv_dvc)
+{
+ AdvPortAddr iop_base = adv_dvc->iop_base;
+ unsigned short tidmask = 1 << sdev->id;
+
+ if (sdev->lun == 0) {
+ /*
+ * Handle WDTR, SDTR, and Tag Queuing. If the feature
+ * is enabled in the EEPROM and the device supports the
+ * feature, then enable it in the microcode.
+ */
- /* TERM_CTL_H: off, TERM_CTL_L: off */
- case 0x2:
- case 0x6:
- break;
+ if ((adv_dvc->wdtr_able & tidmask) && sdev->wdtr)
+ advansys_wide_enable_wdtr(iop_base, tidmask);
+ if ((adv_dvc->sdtr_able & tidmask) && sdev->sdtr)
+ advansys_wide_enable_sdtr(iop_base, tidmask);
+ if (adv_dvc->chip_type == ADV_CHIP_ASC38C1600 && sdev->ppr)
+ advansys_wide_enable_ppr(adv_dvc, iop_base, tidmask);
+
+ /*
+ * Tag Queuing is disabled for the BIOS which runs in polled
+ * mode and would see no benefit from Tag Queuing. Also by
+ * disabling Tag Queuing in the BIOS devices with Tag Queuing
+ * bugs will at least work with the BIOS.
+ */
+ if ((adv_dvc->tagqng_able & tidmask) &&
+ sdev->tagged_supported) {
+ unsigned short cfg_word;
+ AdvReadWordLram(iop_base, ASC_MC_TAGQNG_ABLE, cfg_word);
+ cfg_word |= tidmask;
+ AdvWriteWordLram(iop_base, ASC_MC_TAGQNG_ABLE,
+ cfg_word);
+ AdvWriteByteLram(iop_base,
+ ASC_MC_NUMBER_OF_MAX_CMD + sdev->id,
+ adv_dvc->max_dvc_qng);
}
}
- /*
- * Clear any set TERM_CTL_H and TERM_CTL_L bits.
- */
- scsi_cfg1 &= ~TERM_CTL;
-
- /*
- * Invert the TERM_CTL_H and TERM_CTL_L bits and then
- * set 'scsi_cfg1'. The TERM_POL bit does not need to be
- * referenced, because the hardware internally inverts
- * the Termination High and Low bits if TERM_POL is set.
- */
- scsi_cfg1 |= (TERM_CTL_SEL | (~asc_dvc->cfg->termination & TERM_CTL));
-
- /*
- * Set SCSI_CFG1 Microcode Default Value
- *
- * Set filter value and possibly modified termination control
- * bits in the Microcode SCSI_CFG1 Register Value.
- *
- * The microcode will set the SCSI_CFG1 register using this value
- * after it is started below.
- */
- AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SCSI_CFG1,
- FLTR_DISABLE | scsi_cfg1);
+ if ((adv_dvc->tagqng_able & tidmask) && sdev->tagged_supported) {
+ scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG,
+ adv_dvc->max_dvc_qng);
+ } else {
+ scsi_adjust_queue_depth(sdev, 0, sdev->host->cmd_per_lun);
+ }
+}
- /*
- * Set MEM_CFG Microcode Default Value
- *
- * The microcode will set the MEM_CFG register using this value
- * after it is started below.
- *
- * MEM_CFG may be accessed as a word or byte, but only bits 0-7
- * are defined.
- *
- * ASC-3550 has 8KB internal memory.
- */
- AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_MEM_CFG,
- BIOS_EN | RAM_SZ_8KB);
+/*
+ * Set the number of commands to queue per device for the
+ * specified host adapter.
+ */
+static int advansys_slave_configure(struct scsi_device *sdev)
+{
+ asc_board_t *boardp = ASC_BOARDP(sdev->host);
+ boardp->flags |= ASC_SELECT_QUEUE_DEPTHS;
/*
- * Set SEL_MASK Microcode Default Value
- *
- * The microcode will set the SEL_MASK register using this value
- * after it is started below.
+ * Save a pointer to the sdev and set its initial/maximum
+ * queue depth. Only save the pointer for a lun0 dev though.
*/
- AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SEL_MASK,
- ADV_TID_TO_TIDMASK(asc_dvc->chip_scsi_id));
-
- AdvBuildCarrierFreelist(asc_dvc);
+ if (sdev->lun == 0)
+ boardp->device[sdev->id] = sdev;
- /*
- * Set-up the Host->RISC Initiator Command Queue (ICQ).
- */
+ if (ASC_NARROW_BOARD(boardp))
+ advansys_narrow_slave_configure(sdev,
+ &boardp->dvc_var.asc_dvc_var);
+ else
+ advansys_wide_slave_configure(sdev,
+ &boardp->dvc_var.adv_dvc_var);
- if ((asc_dvc->icq_sp = asc_dvc->carr_freelist) == NULL) {
- asc_dvc->err_code |= ASC_IERR_NO_CARRIER;
- return ADV_ERROR;
- }
- asc_dvc->carr_freelist = (ADV_CARR_T *)
- ADV_U32_TO_VADDR(le32_to_cpu(asc_dvc->icq_sp->next_vpa));
+ return 0;
+}
+/*
+ * Build a request structure for the Asc Library (Narrow Board).
+ *
+ * The global structures 'asc_scsi_q' and 'asc_sg_head' are
+ * used to build the request.
+ *
+ * If an error occurs, then return ASC_ERROR.
+ */
+static int asc_build_req(asc_board_t *boardp, struct scsi_cmnd *scp)
+{
/*
- * The first command issued will be placed in the stopper carrier.
+ * Mutually exclusive access is required to 'asc_scsi_q' and
+ * 'asc_sg_head' until after the request is started.
*/
- asc_dvc->icq_sp->next_vpa = cpu_to_le32(ASC_CQ_STOPPER);
+ memset(&asc_scsi_q, 0, sizeof(ASC_SCSI_Q));
/*
- * Set RISC ICQ physical address start value.
+ * Point the ASC_SCSI_Q to the 'struct scsi_cmnd'.
*/
- AdvWriteDWordLramNoSwap(iop_base, ASC_MC_ICQ, asc_dvc->icq_sp->carr_pa);
+ asc_scsi_q.q2.srb_ptr = ASC_VADDR_TO_U32(scp);
/*
- * Set-up the RISC->Host Initiator Response Queue (IRQ).
+ * Build the ASC_SCSI_Q request.
*/
- if ((asc_dvc->irq_sp = asc_dvc->carr_freelist) == NULL) {
- asc_dvc->err_code |= ASC_IERR_NO_CARRIER;
- return ADV_ERROR;
- }
- asc_dvc->carr_freelist = (ADV_CARR_T *)
- ADV_U32_TO_VADDR(le32_to_cpu(asc_dvc->irq_sp->next_vpa));
+ asc_scsi_q.cdbptr = &scp->cmnd[0];
+ asc_scsi_q.q2.cdb_len = scp->cmd_len;
+ asc_scsi_q.q1.target_id = ASC_TID_TO_TARGET_ID(scp->device->id);
+ asc_scsi_q.q1.target_lun = scp->device->lun;
+ asc_scsi_q.q2.target_ix =
+ ASC_TIDLUN_TO_IX(scp->device->id, scp->device->lun);
+ asc_scsi_q.q1.sense_addr =
+ cpu_to_le32(virt_to_bus(&scp->sense_buffer[0]));
+ asc_scsi_q.q1.sense_len = sizeof(scp->sense_buffer);
/*
- * The first command completed by the RISC will be placed in
- * the stopper.
+ * If there are any outstanding requests for the current target,
+ * then every 255th request send an ORDERED request. This heuristic
+ * tries to retain the benefit of request sorting while preventing
+ * request starvation. 255 is the max number of tags or pending commands
+ * a device may have outstanding.
+ *
+ * The request count is incremented below for every successfully
+ * started request.
*
- * Note: Set 'next_vpa' to ASC_CQ_STOPPER. When the request is
- * completed the RISC will set the ASC_RQ_STOPPER bit.
*/
- asc_dvc->irq_sp->next_vpa = cpu_to_le32(ASC_CQ_STOPPER);
+ if ((boardp->dvc_var.asc_dvc_var.cur_dvc_qng[scp->device->id] > 0) &&
+ (boardp->reqcnt[scp->device->id] % 255) == 0) {
+ asc_scsi_q.q2.tag_code = MSG_ORDERED_TAG;
+ } else {
+ asc_scsi_q.q2.tag_code = MSG_SIMPLE_TAG;
+ }
/*
- * Set RISC IRQ physical address start value.
+ * Build ASC_SCSI_Q for a contiguous buffer or a scatter-gather
+ * buffer command.
*/
- AdvWriteDWordLramNoSwap(iop_base, ASC_MC_IRQ, asc_dvc->irq_sp->carr_pa);
- asc_dvc->carr_pending_cnt = 0;
+ if (scp->use_sg == 0) {
+ /*
+ * CDB request of single contiguous buffer.
+ */
+ ASC_STATS(scp->device->host, cont_cnt);
+ scp->SCp.dma_handle = scp->request_bufflen ?
+ dma_map_single(boardp->dev, scp->request_buffer,
+ scp->request_bufflen,
+ scp->sc_data_direction) : 0;
+ asc_scsi_q.q1.data_addr = cpu_to_le32(scp->SCp.dma_handle);
+ asc_scsi_q.q1.data_cnt = cpu_to_le32(scp->request_bufflen);
+ ASC_STATS_ADD(scp->device->host, cont_xfer,
+ ASC_CEILING(scp->request_bufflen, 512));
+ asc_scsi_q.q1.sg_queue_cnt = 0;
+ asc_scsi_q.sg_head = NULL;
+ } else {
+ /*
+ * CDB scatter-gather request list.
+ */
+ int sgcnt;
+ int use_sg;
+ struct scatterlist *slp;
- AdvWriteByteRegister(iop_base, IOPB_INTR_ENABLES,
- (ADV_INTR_ENABLE_HOST_INTR |
- ADV_INTR_ENABLE_GLOBAL_INTR));
+ slp = (struct scatterlist *)scp->request_buffer;
+ use_sg = dma_map_sg(boardp->dev, slp, scp->use_sg,
+ scp->sc_data_direction);
- AdvReadWordLram(iop_base, ASC_MC_CODE_BEGIN_ADDR, word);
- AdvWriteWordRegister(iop_base, IOPW_PC, word);
+ if (use_sg > scp->device->host->sg_tablesize) {
+ ASC_PRINT3("asc_build_req: board %d: use_sg %d > "
+ "sg_tablesize %d\n", boardp->id, use_sg,
+ scp->device->host->sg_tablesize);
+ dma_unmap_sg(boardp->dev, slp, scp->use_sg,
+ scp->sc_data_direction);
+ scp->result = HOST_BYTE(DID_ERROR);
+ return ASC_ERROR;
+ }
- /* finally, finally, gentlemen, start your engine */
- AdvWriteWordRegister(iop_base, IOPW_RISC_CSR, ADV_RISC_CSR_RUN);
+ ASC_STATS(scp->device->host, sg_cnt);
- /*
- * Reset the SCSI Bus if the EEPROM indicates that SCSI Bus
- * Resets should be performed. The RISC has to be running
- * to issue a SCSI Bus Reset.
- */
- if (asc_dvc->bios_ctrl & BIOS_CTRL_RESET_SCSI_BUS) {
/*
- * If the BIOS Signature is present in memory, restore the
- * BIOS Handshake Configuration Table and do not perform
- * a SCSI Bus Reset.
+ * Use global ASC_SG_HEAD structure and set the ASC_SCSI_Q
+ * structure to point to it.
*/
- if (bios_mem[(ASC_MC_BIOS_SIGNATURE - ASC_MC_BIOSMEM) / 2] ==
- 0x55AA) {
- /*
- * Restore per TID negotiated values.
- */
- AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able);
- AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able);
- AdvWriteWordLram(iop_base, ASC_MC_TAGQNG_ABLE,
- tagqng_able);
- for (tid = 0; tid <= ADV_MAX_TID; tid++) {
- AdvWriteByteLram(iop_base,
- ASC_MC_NUMBER_OF_MAX_CMD + tid,
- max_cmd[tid]);
- }
- } else {
- if (AdvResetSB(asc_dvc) != ADV_TRUE) {
- warn_code = ASC_WARN_BUSRESET_ERROR;
- }
+ memset(&asc_sg_head, 0, sizeof(ASC_SG_HEAD));
+
+ asc_scsi_q.q1.cntl |= QC_SG_HEAD;
+ asc_scsi_q.sg_head = &asc_sg_head;
+ asc_scsi_q.q1.data_cnt = 0;
+ asc_scsi_q.q1.data_addr = 0;
+ /* This is a byte value, otherwise it would need to be swapped. */
+ asc_sg_head.entry_cnt = asc_scsi_q.q1.sg_queue_cnt = use_sg;
+ ASC_STATS_ADD(scp->device->host, sg_elem,
+ asc_sg_head.entry_cnt);
+
+ /*
+ * Convert scatter-gather list into ASC_SG_HEAD list.
+ */
+ for (sgcnt = 0; sgcnt < use_sg; sgcnt++, slp++) {
+ asc_sg_head.sg_list[sgcnt].addr =
+ cpu_to_le32(sg_dma_address(slp));
+ asc_sg_head.sg_list[sgcnt].bytes =
+ cpu_to_le32(sg_dma_len(slp));
+ ASC_STATS_ADD(scp->device->host, sg_xfer,
+ ASC_CEILING(sg_dma_len(slp), 512));
}
}
- return warn_code;
+ ASC_DBG_PRT_ASC_SCSI_Q(2, &asc_scsi_q);
+ ASC_DBG_PRT_CDB(1, scp->cmnd, scp->cmd_len);
+
+ return ASC_NOERROR;
}
/*
- * Initialize the ASC-38C0800.
- *
- * On failure set the ADV_DVC_VAR field 'err_code' and return ADV_ERROR.
+ * Build scatter-gather list for Adv Library (Wide Board).
*
- * For a non-fatal error return a warning code. If there are no warnings
- * then 0 is returned.
+ * Additional ADV_SG_BLOCK structures will need to be allocated
+ * if the total number of scatter-gather elements exceeds
+ * NO_OF_SG_PER_BLOCK (15). The ADV_SG_BLOCK structures are
+ * assumed to be physically contiguous.
*
- * Needed after initialization for error recovery.
+ * Return:
+ * ADV_SUCCESS(1) - SG List successfully created
+ * ADV_ERROR(-1) - SG List creation failed
*/
-static int AdvInitAsc38C0800Driver(ADV_DVC_VAR *asc_dvc)
+static int
+adv_get_sglist(asc_board_t *boardp, adv_req_t *reqp, struct scsi_cmnd *scp,
+ int use_sg)
{
- AdvPortAddr iop_base;
- ushort warn_code;
- int begin_addr;
- int end_addr;
- ushort code_sum;
- int word;
+ adv_sgblk_t *sgblkp;
+ ADV_SCSI_REQ_Q *scsiqp;
+ struct scatterlist *slp;
+ int sg_elem_cnt;
+ ADV_SG_BLOCK *sg_block, *prev_sg_block;
+ ADV_PADDR sg_block_paddr;
int i;
- ushort scsi_cfg1;
- uchar byte;
- uchar tid;
- ushort bios_mem[ASC_MC_BIOSLEN / 2]; /* BIOS RISC Memory 0x40-0x8F. */
- ushort wdtr_able, sdtr_able, tagqng_able;
- uchar max_cmd[ADV_MAX_TID + 1];
- /* If there is already an error, don't continue. */
- if (asc_dvc->err_code != 0)
- return ADV_ERROR;
+ scsiqp = (ADV_SCSI_REQ_Q *)ADV_32BALIGN(&reqp->scsi_req_q);
+ slp = (struct scatterlist *)scp->request_buffer;
+ sg_elem_cnt = use_sg;
+ prev_sg_block = NULL;
+ reqp->sgblkp = NULL;
- /*
- * The caller must set 'chip_type' to ADV_CHIP_ASC38C0800.
- */
- if (asc_dvc->chip_type != ADV_CHIP_ASC38C0800) {
- asc_dvc->err_code = ASC_IERR_BAD_CHIPTYPE;
- return ADV_ERROR;
- }
+ for (;;) {
+ /*
+ * Allocate a 'adv_sgblk_t' structure from the board free
+ * list. One 'adv_sgblk_t' structure holds NO_OF_SG_PER_BLOCK
+ * (15) scatter-gather elements.
+ */
+ if ((sgblkp = boardp->adv_sgblkp) == NULL) {
+ ASC_DBG(1, "adv_get_sglist: no free adv_sgblk_t\n");
+ ASC_STATS(scp->device->host, adv_build_nosg);
- warn_code = 0;
- iop_base = asc_dvc->iop_base;
+ /*
+ * Allocation failed. Free 'adv_sgblk_t' structures
+ * already allocated for the request.
+ */
+ while ((sgblkp = reqp->sgblkp) != NULL) {
+ /* Remove 'sgblkp' from the request list. */
+ reqp->sgblkp = sgblkp->next_sgblkp;
- /*
- * Save the RISC memory BIOS region before writing the microcode.
- * The BIOS may already be loaded and using its RISC LRAM region
- * so its region must be saved and restored.
- *
- * Note: This code makes the assumption, which is currently true,
- * that a chip reset does not clear RISC LRAM.
- */
- for (i = 0; i < ASC_MC_BIOSLEN / 2; i++) {
- AdvReadWordLram(iop_base, ASC_MC_BIOSMEM + (2 * i),
- bios_mem[i]);
- }
+ /* Add 'sgblkp' to the board free list. */
+ sgblkp->next_sgblkp = boardp->adv_sgblkp;
+ boardp->adv_sgblkp = sgblkp;
+ }
+ return ASC_BUSY;
+ }
- /*
- * Save current per TID negotiated values.
- */
- AdvReadWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able);
- AdvReadWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able);
- AdvReadWordLram(iop_base, ASC_MC_TAGQNG_ABLE, tagqng_able);
- for (tid = 0; tid <= ADV_MAX_TID; tid++) {
- AdvReadByteLram(iop_base, ASC_MC_NUMBER_OF_MAX_CMD + tid,
- max_cmd[tid]);
- }
+ /* Complete 'adv_sgblk_t' board allocation. */
+ boardp->adv_sgblkp = sgblkp->next_sgblkp;
+ sgblkp->next_sgblkp = NULL;
- /*
- * RAM BIST (RAM Built-In Self Test)
- *
- * Address : I/O base + offset 0x38h register (byte).
- * Function: Bit 7-6(RW) : RAM mode
- * Normal Mode : 0x00
- * Pre-test Mode : 0x40
- * RAM Test Mode : 0x80
- * Bit 5 : unused
- * Bit 4(RO) : Done bit
- * Bit 3-0(RO) : Status
- * Host Error : 0x08
- * Int_RAM Error : 0x04
- * RISC Error : 0x02
- * SCSI Error : 0x01
- * No Error : 0x00
- *
- * Note: RAM BIST code should be put right here, before loading the
- * microcode and after saving the RISC memory BIOS region.
- */
+ /*
+ * Get 8 byte aligned virtual and physical addresses
+ * for the allocated ADV_SG_BLOCK structure.
+ */
+ sg_block = (ADV_SG_BLOCK *)ADV_8BALIGN(&sgblkp->sg_block);
+ sg_block_paddr = virt_to_bus(sg_block);
- /*
- * LRAM Pre-test
- *
- * Write PRE_TEST_MODE (0x40) to register and wait for 10 milliseconds.
- * If Done bit not set or low nibble not PRE_TEST_VALUE (0x05), return
- * an error. Reset to NORMAL_MODE (0x00) and do again. If cannot reset
- * to NORMAL_MODE, return an error too.
- */
- for (i = 0; i < 2; i++) {
- AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, PRE_TEST_MODE);
- mdelay(10); /* Wait for 10ms before reading back. */
- byte = AdvReadByteRegister(iop_base, IOPB_RAM_BIST);
- if ((byte & RAM_TEST_DONE) == 0
- || (byte & 0x0F) != PRE_TEST_VALUE) {
- asc_dvc->err_code = ASC_IERR_BIST_PRE_TEST;
- return ADV_ERROR;
- }
+ /*
+ * Check if this is the first 'adv_sgblk_t' for the
+ * request.
+ */
+ if (reqp->sgblkp == NULL) {
+ /* Request's first scatter-gather block. */
+ reqp->sgblkp = sgblkp;
- AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, NORMAL_MODE);
- mdelay(10); /* Wait for 10ms before reading back. */
- if (AdvReadByteRegister(iop_base, IOPB_RAM_BIST)
- != NORMAL_VALUE) {
- asc_dvc->err_code = ASC_IERR_BIST_PRE_TEST;
- return ADV_ERROR;
+ /*
+ * Set ADV_SCSI_REQ_T ADV_SG_BLOCK virtual and physical
+ * address pointers.
+ */
+ scsiqp->sg_list_ptr = sg_block;
+ scsiqp->sg_real_addr = cpu_to_le32(sg_block_paddr);
+ } else {
+ /* Request's second or later scatter-gather block. */
+ sgblkp->next_sgblkp = reqp->sgblkp;
+ reqp->sgblkp = sgblkp;
+
+ /*
+ * Point the previous ADV_SG_BLOCK structure to
+ * the newly allocated ADV_SG_BLOCK structure.
+ */
+ prev_sg_block->sg_ptr = cpu_to_le32(sg_block_paddr);
}
- }
- /*
- * LRAM Test - It takes about 1.5 ms to run through the test.
- *
- * Write RAM_TEST_MODE (0x80) to register and wait for 10 milliseconds.
- * If Done bit not set or Status not 0, save register byte, set the
- * err_code, and return an error.
- */
- AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, RAM_TEST_MODE);
- mdelay(10); /* Wait for 10ms before checking status. */
+ for (i = 0; i < NO_OF_SG_PER_BLOCK; i++) {
+ sg_block->sg_list[i].sg_addr =
+ cpu_to_le32(sg_dma_address(slp));
+ sg_block->sg_list[i].sg_count =
+ cpu_to_le32(sg_dma_len(slp));
+ ASC_STATS_ADD(scp->device->host, sg_xfer,
+ ASC_CEILING(sg_dma_len(slp), 512));
- byte = AdvReadByteRegister(iop_base, IOPB_RAM_BIST);
- if ((byte & RAM_TEST_DONE) == 0 || (byte & RAM_TEST_STATUS) != 0) {
- /* Get here if Done bit not set or Status not 0. */
- asc_dvc->bist_err_code = byte; /* for BIOS display message */
- asc_dvc->err_code = ASC_IERR_BIST_RAM_TEST;
- return ADV_ERROR;
+ if (--sg_elem_cnt == 0) { /* Last ADV_SG_BLOCK and scatter-gather entry. */
+ sg_block->sg_cnt = i + 1;
+ sg_block->sg_ptr = 0L; /* Last ADV_SG_BLOCK in list. */
+ return ADV_SUCCESS;
+ }
+ slp++;
+ }
+ sg_block->sg_cnt = NO_OF_SG_PER_BLOCK;
+ prev_sg_block = sg_block;
}
+}
- /* We need to reset back to normal mode after LRAM test passes. */
- AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, NORMAL_MODE);
-
- asc_dvc->err_code = AdvLoadMicrocode(iop_base, _adv_asc38C0800_buf,
- _adv_asc38C0800_size, ADV_38C0800_MEMSIZE,
- _adv_asc38C0800_chksum);
- if (asc_dvc->err_code)
- return ADV_ERROR;
+/*
+ * Build a request structure for the Adv Library (Wide Board).
+ *
+ * If an adv_req_t can not be allocated to issue the request,
+ * then return ASC_BUSY. If an error occurs, then return ASC_ERROR.
+ *
+ * Multi-byte fields in the ASC_SCSI_REQ_Q that are used by the
+ * microcode for DMA addresses or math operations are byte swapped
+ * to little-endian order.
+ */
+static int
+adv_build_req(asc_board_t *boardp, struct scsi_cmnd *scp,
+ ADV_SCSI_REQ_Q **adv_scsiqpp)
+{
+ adv_req_t *reqp;
+ ADV_SCSI_REQ_Q *scsiqp;
+ int i;
+ int ret;
/*
- * Restore the RISC memory BIOS region.
+ * Allocate an adv_req_t structure from the board to execute
+ * the command.
*/
- for (i = 0; i < ASC_MC_BIOSLEN / 2; i++) {
- AdvWriteWordLram(iop_base, ASC_MC_BIOSMEM + (2 * i),
- bios_mem[i]);
+ if (boardp->adv_reqp == NULL) {
+ ASC_DBG(1, "adv_build_req: no free adv_req_t\n");
+ ASC_STATS(scp->device->host, adv_build_noreq);
+ return ASC_BUSY;
+ } else {
+ reqp = boardp->adv_reqp;
+ boardp->adv_reqp = reqp->next_reqp;
+ reqp->next_reqp = NULL;
}
/*
- * Calculate and write the microcode code checksum to the microcode
- * code checksum location ASC_MC_CODE_CHK_SUM (0x2C).
+ * Get 32-byte aligned ADV_SCSI_REQ_Q and ADV_SG_BLOCK pointers.
*/
- AdvReadWordLram(iop_base, ASC_MC_CODE_BEGIN_ADDR, begin_addr);
- AdvReadWordLram(iop_base, ASC_MC_CODE_END_ADDR, end_addr);
- code_sum = 0;
- AdvWriteWordRegister(iop_base, IOPW_RAM_ADDR, begin_addr);
- for (word = begin_addr; word < end_addr; word += 2) {
- code_sum += AdvReadWordAutoIncLram(iop_base);
- }
- AdvWriteWordLram(iop_base, ASC_MC_CODE_CHK_SUM, code_sum);
+ scsiqp = (ADV_SCSI_REQ_Q *)ADV_32BALIGN(&reqp->scsi_req_q);
/*
- * Read microcode version and date.
+ * Initialize the structure.
*/
- AdvReadWordLram(iop_base, ASC_MC_VERSION_DATE,
- asc_dvc->cfg->mcode_date);
- AdvReadWordLram(iop_base, ASC_MC_VERSION_NUM,
- asc_dvc->cfg->mcode_version);
+ scsiqp->cntl = scsiqp->scsi_cntl = scsiqp->done_status = 0;
/*
- * Set the chip type to indicate the ASC38C0800.
+ * Set the ADV_SCSI_REQ_Q 'srb_ptr' to point to the adv_req_t structure.
*/
- AdvWriteWordLram(iop_base, ASC_MC_CHIP_TYPE, ADV_CHIP_ASC38C0800);
+ scsiqp->srb_ptr = ASC_VADDR_TO_U32(reqp);
/*
- * Write 1 to bit 14 'DIS_TERM_DRV' in the SCSI_CFG1 register.
- * When DIS_TERM_DRV set to 1, C_DET[3:0] will reflect current
- * cable detection and then we are able to read C_DET[3:0].
- *
- * Note: We will reset DIS_TERM_DRV to 0 in the 'Set SCSI_CFG1
- * Microcode Default Value' section below.
+ * Set the adv_req_t 'cmndp' to point to the struct scsi_cmnd structure.
*/
- scsi_cfg1 = AdvReadWordRegister(iop_base, IOPW_SCSI_CFG1);
- AdvWriteWordRegister(iop_base, IOPW_SCSI_CFG1,
- scsi_cfg1 | DIS_TERM_DRV);
+ reqp->cmndp = scp;
/*
- * If the PCI Configuration Command Register "Parity Error Response
- * Control" Bit was clear (0), then set the microcode variable
- * 'control_flag' CONTROL_FLAG_IGNORE_PERR flag to tell the microcode
- * to ignore DMA parity errors.
+ * Build the ADV_SCSI_REQ_Q request.
*/
- if (asc_dvc->cfg->control_flag & CONTROL_FLAG_IGNORE_PERR) {
- AdvReadWordLram(iop_base, ASC_MC_CONTROL_FLAG, word);
- word |= CONTROL_FLAG_IGNORE_PERR;
- AdvWriteWordLram(iop_base, ASC_MC_CONTROL_FLAG, word);
+
+ /* Set CDB length and copy it to the request structure. */
+ scsiqp->cdb_len = scp->cmd_len;
+ /* Copy first 12 CDB bytes to cdb[]. */
+ for (i = 0; i < scp->cmd_len && i < 12; i++) {
+ scsiqp->cdb[i] = scp->cmnd[i];
+ }
+ /* Copy last 4 CDB bytes, if present, to cdb16[]. */
+ for (; i < scp->cmd_len; i++) {
+ scsiqp->cdb16[i - 12] = scp->cmnd[i];
}
- /*
- * For ASC-38C0800, set FIFO_THRESH_80B [6:4] bits and START_CTL_TH [3:2]
- * bits for the default FIFO threshold.
- *
- * Note: ASC-38C0800 FIFO threshold has been changed to 256 bytes.
- *
- * For DMA Errata #4 set the BC_THRESH_ENB bit.
- */
- AdvWriteByteRegister(iop_base, IOPB_DMA_CFG0,
- BC_THRESH_ENB | FIFO_THRESH_80B | START_CTL_TH |
- READ_CMD_MRM);
+ scsiqp->target_id = scp->device->id;
+ scsiqp->target_lun = scp->device->lun;
+
+ scsiqp->sense_addr = cpu_to_le32(virt_to_bus(&scp->sense_buffer[0]));
+ scsiqp->sense_len = sizeof(scp->sense_buffer);
/*
- * Microcode operating variables for WDTR, SDTR, and command tag
- * queuing will be set in slave_configure() based on what a
- * device reports it is capable of in Inquiry byte 7.
- *
- * If SCSI Bus Resets have been disabled, then directly set
- * SDTR and WDTR from the EEPROM configuration. This will allow
- * the BIOS and warm boot to work without a SCSI bus hang on
- * the Inquiry caused by host and target mismatched DTR values.
- * Without the SCSI Bus Reset, before an Inquiry a device can't
- * be assumed to be in Asynchronous, Narrow mode.
+ * Build ADV_SCSI_REQ_Q for a contiguous buffer or a scatter-gather
+ * buffer command.
*/
- if ((asc_dvc->bios_ctrl & BIOS_CTRL_RESET_SCSI_BUS) == 0) {
- AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE,
- asc_dvc->wdtr_able);
- AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE,
- asc_dvc->sdtr_able);
+
+ scsiqp->data_cnt = cpu_to_le32(scp->request_bufflen);
+ scsiqp->vdata_addr = scp->request_buffer;
+ scsiqp->data_addr = cpu_to_le32(virt_to_bus(scp->request_buffer));
+
+ if (scp->use_sg == 0) {
+ /*
+ * CDB request of single contiguous buffer.
+ */
+ reqp->sgblkp = NULL;
+ scsiqp->data_cnt = cpu_to_le32(scp->request_bufflen);
+ if (scp->request_bufflen) {
+ scsiqp->vdata_addr = scp->request_buffer;
+ scp->SCp.dma_handle =
+ dma_map_single(boardp->dev, scp->request_buffer,
+ scp->request_bufflen,
+ scp->sc_data_direction);
+ } else {
+ scsiqp->vdata_addr = NULL;
+ scp->SCp.dma_handle = 0;
+ }
+ scsiqp->data_addr = cpu_to_le32(scp->SCp.dma_handle);
+ scsiqp->sg_list_ptr = NULL;
+ scsiqp->sg_real_addr = 0;
+ ASC_STATS(scp->device->host, cont_cnt);
+ ASC_STATS_ADD(scp->device->host, cont_xfer,
+ ASC_CEILING(scp->request_bufflen, 512));
+ } else {
+ /*
+ * CDB scatter-gather request list.
+ */
+ struct scatterlist *slp;
+ int use_sg;
+
+ slp = (struct scatterlist *)scp->request_buffer;
+ use_sg = dma_map_sg(boardp->dev, slp, scp->use_sg,
+ scp->sc_data_direction);
+
+ if (use_sg > ADV_MAX_SG_LIST) {
+ ASC_PRINT3("adv_build_req: board %d: use_sg %d > "
+ "ADV_MAX_SG_LIST %d\n", boardp->id, use_sg,
+ scp->device->host->sg_tablesize);
+ dma_unmap_sg(boardp->dev, slp, scp->use_sg,
+ scp->sc_data_direction);
+ scp->result = HOST_BYTE(DID_ERROR);
+
+ /*
+ * Free the 'adv_req_t' structure by adding it back
+ * to the board free list.
+ */
+ reqp->next_reqp = boardp->adv_reqp;
+ boardp->adv_reqp = reqp;
+
+ return ASC_ERROR;
+ }
+
+ ret = adv_get_sglist(boardp, reqp, scp, use_sg);
+ if (ret != ADV_SUCCESS) {
+ /*
+ * Free the adv_req_t structure by adding it back to
+ * the board free list.
+ */
+ reqp->next_reqp = boardp->adv_reqp;
+ boardp->adv_reqp = reqp;
+
+ return ret;
+ }
+
+ ASC_STATS(scp->device->host, sg_cnt);
+ ASC_STATS_ADD(scp->device->host, sg_elem, use_sg);
}
- /*
- * Set microcode operating variables for DISC and SDTR_SPEED1,
- * SDTR_SPEED2, SDTR_SPEED3, and SDTR_SPEED4 based on the EEPROM
- * configuration values.
- *
- * The SDTR per TID bitmask overrides the SDTR_SPEED1, SDTR_SPEED2,
- * SDTR_SPEED3, and SDTR_SPEED4 values so it is safe to set them
- * without determining here whether the device supports SDTR.
- */
- AdvWriteWordLram(iop_base, ASC_MC_DISC_ENABLE,
- asc_dvc->cfg->disc_enable);
- AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED1, asc_dvc->sdtr_speed1);
- AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED2, asc_dvc->sdtr_speed2);
- AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED3, asc_dvc->sdtr_speed3);
- AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED4, asc_dvc->sdtr_speed4);
+ ASC_DBG_PRT_ADV_SCSI_REQ_Q(2, scsiqp);
+ ASC_DBG_PRT_CDB(1, scp->cmnd, scp->cmd_len);
- /*
- * Set SCSI_CFG0 Microcode Default Value.
- *
- * The microcode will set the SCSI_CFG0 register using this value
- * after it is started below.
- */
- AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SCSI_CFG0,
- PARITY_EN | QUEUE_128 | SEL_TMO_LONG | OUR_ID_EN |
- asc_dvc->chip_scsi_id);
+ *adv_scsiqpp = scsiqp;
- /*
- * Determine SCSI_CFG1 Microcode Default Value.
- *
- * The microcode will set the SCSI_CFG1 register using this value
- * after it is started below.
- */
+ return ASC_NOERROR;
+}
+
+static int AscSgListToQueue(int sg_list)
+{
+ int n_sg_list_qs;
+
+ n_sg_list_qs = ((sg_list - 1) / ASC_SG_LIST_PER_Q);
+ if (((sg_list - 1) % ASC_SG_LIST_PER_Q) != 0)
+ n_sg_list_qs++;
+ return n_sg_list_qs + 1;
+}
+
+static uint
+AscGetNumOfFreeQueue(ASC_DVC_VAR *asc_dvc, uchar target_ix, uchar n_qs)
+{
+ uint cur_used_qs;
+ uint cur_free_qs;
+ ASC_SCSI_BIT_ID_TYPE target_id;
+ uchar tid_no;
+
+ target_id = ASC_TIX_TO_TARGET_ID(target_ix);
+ tid_no = ASC_TIX_TO_TID(target_ix);
+ if ((asc_dvc->unit_not_ready & target_id) ||
+ (asc_dvc->queue_full_or_busy & target_id)) {
+ return 0;
+ }
+ if (n_qs == 1) {
+ cur_used_qs = (uint) asc_dvc->cur_total_qng +
+ (uint) asc_dvc->last_q_shortage + (uint) ASC_MIN_FREE_Q;
+ } else {
+ cur_used_qs = (uint) asc_dvc->cur_total_qng +
+ (uint) ASC_MIN_FREE_Q;
+ }
+ if ((uint) (cur_used_qs + n_qs) <= (uint) asc_dvc->max_total_qng) {
+ cur_free_qs = (uint) asc_dvc->max_total_qng - cur_used_qs;
+ if (asc_dvc->cur_dvc_qng[tid_no] >=
+ asc_dvc->max_dvc_qng[tid_no]) {
+ return 0;
+ }
+ return cur_free_qs;
+ }
+ if (n_qs > 1) {
+ if ((n_qs > asc_dvc->last_q_shortage)
+ && (n_qs <= (asc_dvc->max_total_qng - ASC_MIN_FREE_Q))) {
+ asc_dvc->last_q_shortage = n_qs;
+ }
+ }
+ return 0;
+}
+
+static uchar AscAllocFreeQueue(PortAddr iop_base, uchar free_q_head)
+{
+ ushort q_addr;
+ uchar next_qp;
+ uchar q_status;
+
+ q_addr = ASC_QNO_TO_QADDR(free_q_head);
+ q_status = (uchar)AscReadLramByte(iop_base,
+ (ushort)(q_addr +
+ ASC_SCSIQ_B_STATUS));
+ next_qp = AscReadLramByte(iop_base, (ushort)(q_addr + ASC_SCSIQ_B_FWD));
+ if (((q_status & QS_READY) == 0) && (next_qp != ASC_QLINK_END))
+ return next_qp;
+ return ASC_QLINK_END;
+}
+
+static uchar
+AscAllocMultipleFreeQueue(PortAddr iop_base, uchar free_q_head, uchar n_free_q)
+{
+ uchar i;
- /* Read current SCSI_CFG1 Register value. */
- scsi_cfg1 = AdvReadWordRegister(iop_base, IOPW_SCSI_CFG1);
+ for (i = 0; i < n_free_q; i++) {
+ free_q_head = AscAllocFreeQueue(iop_base, free_q_head);
+ if (free_q_head == ASC_QLINK_END)
+ break;
+ }
+ return free_q_head;
+}
- /*
- * If the internal narrow cable is reversed all of the SCSI_CTRL
- * register signals will be set. Check for and return an error if
- * this condition is found.
- */
- if ((AdvReadWordRegister(iop_base, IOPW_SCSI_CTRL) & 0x3F07) == 0x3F07) {
- asc_dvc->err_code |= ASC_IERR_REVERSED_CABLE;
- return ADV_ERROR;
+/*
+ * void
+ * DvcPutScsiQ(PortAddr iop_base, ushort s_addr, uchar *outbuf, int words)
+ *
+ * Calling/Exit State:
+ * none
+ *
+ * Description:
+ * Output an ASC_SCSI_Q structure to the chip
+ */
+static void
+DvcPutScsiQ(PortAddr iop_base, ushort s_addr, uchar *outbuf, int words)
+{
+ int i;
+
+ ASC_DBG_PRT_HEX(2, "DvcPutScsiQ", outbuf, 2 * words);
+ AscSetChipLramAddr(iop_base, s_addr);
+ for (i = 0; i < 2 * words; i += 2) {
+ if (i == 4 || i == 20) {
+ continue;
+ }
+ outpw(iop_base + IOP_RAM_DATA,
+ ((ushort)outbuf[i + 1] << 8) | outbuf[i]);
}
+}
- /*
- * All kind of combinations of devices attached to one of four
- * connectors are acceptable except HVD device attached. For example,
- * LVD device can be attached to SE connector while SE device attached
- * to LVD connector. If LVD device attached to SE connector, it only
- * runs up to Ultra speed.
- *
- * If an HVD device is attached to one of LVD connectors, return an
- * error. However, there is no way to detect HVD device attached to
- * SE connectors.
- */
- if (scsi_cfg1 & HVD) {
- asc_dvc->err_code = ASC_IERR_HVD_DEVICE;
- return ADV_ERROR;
+static int AscPutReadyQueue(ASC_DVC_VAR *asc_dvc, ASC_SCSI_Q *scsiq, uchar q_no)
+{
+ ushort q_addr;
+ uchar tid_no;
+ uchar sdtr_data;
+ uchar syn_period_ix;
+ uchar syn_offset;
+ PortAddr iop_base;
+
+ iop_base = asc_dvc->iop_base;
+ if (((asc_dvc->init_sdtr & scsiq->q1.target_id) != 0) &&
+ ((asc_dvc->sdtr_done & scsiq->q1.target_id) == 0)) {
+ tid_no = ASC_TIX_TO_TID(scsiq->q2.target_ix);
+ sdtr_data = AscGetMCodeInitSDTRAtID(iop_base, tid_no);
+ syn_period_ix =
+ (sdtr_data >> 4) & (asc_dvc->max_sdtr_index - 1);
+ syn_offset = sdtr_data & ASC_SYN_MAX_OFFSET;
+ AscMsgOutSDTR(asc_dvc,
+ asc_dvc->sdtr_period_tbl[syn_period_ix],
+ syn_offset);
+ scsiq->q1.cntl |= QC_MSG_OUT;
+ }
+ q_addr = ASC_QNO_TO_QADDR(q_no);
+ if ((scsiq->q1.target_id & asc_dvc->use_tagged_qng) == 0) {
+ scsiq->q2.tag_code &= ~MSG_SIMPLE_TAG;
}
+ scsiq->q1.status = QS_FREE;
+ AscMemWordCopyPtrToLram(iop_base,
+ q_addr + ASC_SCSIQ_CDB_BEG,
+ (uchar *)scsiq->cdbptr, scsiq->q2.cdb_len >> 1);
+
+ DvcPutScsiQ(iop_base,
+ q_addr + ASC_SCSIQ_CPY_BEG,
+ (uchar *)&scsiq->q1.cntl,
+ ((sizeof(ASC_SCSIQ_1) + sizeof(ASC_SCSIQ_2)) / 2) - 1);
+ AscWriteLramWord(iop_base,
+ (ushort)(q_addr + (ushort)ASC_SCSIQ_B_STATUS),
+ (ushort)(((ushort)scsiq->q1.
+ q_no << 8) | (ushort)QS_READY));
+ return 1;
+}
+
+static int
+AscPutReadySgListQueue(ASC_DVC_VAR *asc_dvc, ASC_SCSI_Q *scsiq, uchar q_no)
+{
+ int sta;
+ int i;
+ ASC_SG_HEAD *sg_head;
+ ASC_SG_LIST_Q scsi_sg_q;
+ ASC_DCNT saved_data_addr;
+ ASC_DCNT saved_data_cnt;
+ PortAddr iop_base;
+ ushort sg_list_dwords;
+ ushort sg_index;
+ ushort sg_entry_cnt;
+ ushort q_addr;
+ uchar next_qp;
+ iop_base = asc_dvc->iop_base;
+ sg_head = scsiq->sg_head;
+ saved_data_addr = scsiq->q1.data_addr;
+ saved_data_cnt = scsiq->q1.data_cnt;
+ scsiq->q1.data_addr = (ASC_PADDR) sg_head->sg_list[0].addr;
+ scsiq->q1.data_cnt = (ASC_DCNT) sg_head->sg_list[0].bytes;
+#if CC_VERY_LONG_SG_LIST
/*
- * If either SE or LVD automatic termination control is enabled, then
- * set the termination value based on a table listed in a_condor.h.
- *
- * If manual termination was specified with an EEPROM setting then
- * 'termination' was set-up in AdvInitFrom38C0800EEPROM() and is ready
- * to be 'ored' into SCSI_CFG1.
+ * If sg_head->entry_cnt is greater than ASC_MAX_SG_LIST
+ * then not all SG elements will fit in the allocated queues.
+ * The rest of the SG elements will be copied when the RISC
+ * completes the SG elements that fit and halts.
*/
- if ((asc_dvc->cfg->termination & TERM_SE) == 0) {
- /* SE automatic termination control is enabled. */
- switch (scsi_cfg1 & C_DET_SE) {
- /* TERM_SE_HI: on, TERM_SE_LO: on */
- case 0x1:
- case 0x2:
- case 0x3:
- asc_dvc->cfg->termination |= TERM_SE;
- break;
+ if (sg_head->entry_cnt > ASC_MAX_SG_LIST) {
+ /*
+ * Set sg_entry_cnt to be the number of SG elements that
+ * will fit in the allocated SG queues. It is minus 1, because
+ * the first SG element is handled above. ASC_MAX_SG_LIST is
+ * already inflated by 1 to account for this. For example it
+ * may be 50 which is 1 + 7 queues * 7 SG elements.
+ */
+ sg_entry_cnt = ASC_MAX_SG_LIST - 1;
- /* TERM_SE_HI: on, TERM_SE_LO: off */
- case 0x0:
- asc_dvc->cfg->termination |= TERM_SE_HI;
- break;
+ /*
+ * Keep track of remaining number of SG elements that will
+ * need to be handled from a_isr.c.
+ */
+ scsiq->remain_sg_entry_cnt =
+ sg_head->entry_cnt - ASC_MAX_SG_LIST;
+ } else {
+#endif /* CC_VERY_LONG_SG_LIST */
+ /*
+ * Set sg_entry_cnt to be the number of SG elements that
+ * will fit in the allocated SG queues. It is minus 1, because
+ * the first SG element is handled above.
+ */
+ sg_entry_cnt = sg_head->entry_cnt - 1;
+#if CC_VERY_LONG_SG_LIST
+ }
+#endif /* CC_VERY_LONG_SG_LIST */
+ if (sg_entry_cnt != 0) {
+ scsiq->q1.cntl |= QC_SG_HEAD;
+ q_addr = ASC_QNO_TO_QADDR(q_no);
+ sg_index = 1;
+ scsiq->q1.sg_queue_cnt = sg_head->queue_cnt;
+ scsi_sg_q.sg_head_qp = q_no;
+ scsi_sg_q.cntl = QCSG_SG_XFER_LIST;
+ for (i = 0; i < sg_head->queue_cnt; i++) {
+ scsi_sg_q.seq_no = i + 1;
+ if (sg_entry_cnt > ASC_SG_LIST_PER_Q) {
+ sg_list_dwords = (uchar)(ASC_SG_LIST_PER_Q * 2);
+ sg_entry_cnt -= ASC_SG_LIST_PER_Q;
+ if (i == 0) {
+ scsi_sg_q.sg_list_cnt =
+ ASC_SG_LIST_PER_Q;
+ scsi_sg_q.sg_cur_list_cnt =
+ ASC_SG_LIST_PER_Q;
+ } else {
+ scsi_sg_q.sg_list_cnt =
+ ASC_SG_LIST_PER_Q - 1;
+ scsi_sg_q.sg_cur_list_cnt =
+ ASC_SG_LIST_PER_Q - 1;
+ }
+ } else {
+#if CC_VERY_LONG_SG_LIST
+ /*
+ * This is the last SG queue in the list of
+ * allocated SG queues. If there are more
+ * SG elements than will fit in the allocated
+ * queues, then set the QCSG_SG_XFER_MORE flag.
+ */
+ if (sg_head->entry_cnt > ASC_MAX_SG_LIST) {
+ scsi_sg_q.cntl |= QCSG_SG_XFER_MORE;
+ } else {
+#endif /* CC_VERY_LONG_SG_LIST */
+ scsi_sg_q.cntl |= QCSG_SG_XFER_END;
+#if CC_VERY_LONG_SG_LIST
+ }
+#endif /* CC_VERY_LONG_SG_LIST */
+ sg_list_dwords = sg_entry_cnt << 1;
+ if (i == 0) {
+ scsi_sg_q.sg_list_cnt = sg_entry_cnt;
+ scsi_sg_q.sg_cur_list_cnt =
+ sg_entry_cnt;
+ } else {
+ scsi_sg_q.sg_list_cnt =
+ sg_entry_cnt - 1;
+ scsi_sg_q.sg_cur_list_cnt =
+ sg_entry_cnt - 1;
+ }
+ sg_entry_cnt = 0;
+ }
+ next_qp = AscReadLramByte(iop_base,
+ (ushort)(q_addr +
+ ASC_SCSIQ_B_FWD));
+ scsi_sg_q.q_no = next_qp;
+ q_addr = ASC_QNO_TO_QADDR(next_qp);
+ AscMemWordCopyPtrToLram(iop_base,
+ q_addr + ASC_SCSIQ_SGHD_CPY_BEG,
+ (uchar *)&scsi_sg_q,
+ sizeof(ASC_SG_LIST_Q) >> 1);
+ AscMemDWordCopyPtrToLram(iop_base,
+ q_addr + ASC_SGQ_LIST_BEG,
+ (uchar *)&sg_head->
+ sg_list[sg_index],
+ sg_list_dwords);
+ sg_index += ASC_SG_LIST_PER_Q;
+ scsiq->next_sg_index = sg_index;
}
+ } else {
+ scsiq->q1.cntl &= ~QC_SG_HEAD;
}
+ sta = AscPutReadyQueue(asc_dvc, scsiq, q_no);
+ scsiq->q1.data_addr = saved_data_addr;
+ scsiq->q1.data_cnt = saved_data_cnt;
+ return (sta);
+}
- if ((asc_dvc->cfg->termination & TERM_LVD) == 0) {
- /* LVD automatic termination control is enabled. */
- switch (scsi_cfg1 & C_DET_LVD) {
- /* TERM_LVD_HI: on, TERM_LVD_LO: on */
- case 0x4:
- case 0x8:
- case 0xC:
- asc_dvc->cfg->termination |= TERM_LVD;
- break;
+static int
+AscSendScsiQueue(ASC_DVC_VAR *asc_dvc, ASC_SCSI_Q *scsiq, uchar n_q_required)
+{
+ PortAddr iop_base;
+ uchar free_q_head;
+ uchar next_qp;
+ uchar tid_no;
+ uchar target_ix;
+ int sta;
- /* TERM_LVD_HI: off, TERM_LVD_LO: off */
- case 0x0:
- break;
+ iop_base = asc_dvc->iop_base;
+ target_ix = scsiq->q2.target_ix;
+ tid_no = ASC_TIX_TO_TID(target_ix);
+ sta = 0;
+ free_q_head = (uchar)AscGetVarFreeQHead(iop_base);
+ if (n_q_required > 1) {
+ next_qp = AscAllocMultipleFreeQueue(iop_base, free_q_head,
+ (uchar)n_q_required);
+ if (next_qp != ASC_QLINK_END) {
+ asc_dvc->last_q_shortage = 0;
+ scsiq->sg_head->queue_cnt = n_q_required - 1;
+ scsiq->q1.q_no = free_q_head;
+ sta = AscPutReadySgListQueue(asc_dvc, scsiq,
+ free_q_head);
+ }
+ } else if (n_q_required == 1) {
+ next_qp = AscAllocFreeQueue(iop_base, free_q_head);
+ if (next_qp != ASC_QLINK_END) {
+ scsiq->q1.q_no = free_q_head;
+ sta = AscPutReadyQueue(asc_dvc, scsiq, free_q_head);
}
}
-
- /*
- * Clear any set TERM_SE and TERM_LVD bits.
- */
- scsi_cfg1 &= (~TERM_SE & ~TERM_LVD);
-
- /*
- * Invert the TERM_SE and TERM_LVD bits and then set 'scsi_cfg1'.
- */
- scsi_cfg1 |= (~asc_dvc->cfg->termination & 0xF0);
-
- /*
- * Clear BIG_ENDIAN, DIS_TERM_DRV, Terminator Polarity and HVD/LVD/SE
- * bits and set possibly modified termination control bits in the
- * Microcode SCSI_CFG1 Register Value.
- */
- scsi_cfg1 &= (~BIG_ENDIAN & ~DIS_TERM_DRV & ~TERM_POL & ~HVD_LVD_SE);
-
- /*
- * Set SCSI_CFG1 Microcode Default Value
- *
- * Set possibly modified termination control and reset DIS_TERM_DRV
- * bits in the Microcode SCSI_CFG1 Register Value.
- *
- * The microcode will set the SCSI_CFG1 register using this value
- * after it is started below.
- */
- AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SCSI_CFG1, scsi_cfg1);
-
- /*
- * Set MEM_CFG Microcode Default Value
- *
- * The microcode will set the MEM_CFG register using this value
- * after it is started below.
- *
- * MEM_CFG may be accessed as a word or byte, but only bits 0-7
- * are defined.
- *
- * ASC-38C0800 has 16KB internal memory.
- */
- AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_MEM_CFG,
- BIOS_EN | RAM_SZ_16KB);
-
- /*
- * Set SEL_MASK Microcode Default Value
- *
- * The microcode will set the SEL_MASK register using this value
- * after it is started below.
- */
- AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SEL_MASK,
- ADV_TID_TO_TIDMASK(asc_dvc->chip_scsi_id));
-
- AdvBuildCarrierFreelist(asc_dvc);
-
- /*
- * Set-up the Host->RISC Initiator Command Queue (ICQ).
- */
-
- if ((asc_dvc->icq_sp = asc_dvc->carr_freelist) == NULL) {
- asc_dvc->err_code |= ASC_IERR_NO_CARRIER;
- return ADV_ERROR;
+ if (sta == 1) {
+ AscPutVarFreeQHead(iop_base, next_qp);
+ asc_dvc->cur_total_qng += n_q_required;
+ asc_dvc->cur_dvc_qng[tid_no]++;
}
- asc_dvc->carr_freelist = (ADV_CARR_T *)
- ADV_U32_TO_VADDR(le32_to_cpu(asc_dvc->icq_sp->next_vpa));
+ return sta;
+}
- /*
- * The first command issued will be placed in the stopper carrier.
- */
- asc_dvc->icq_sp->next_vpa = cpu_to_le32(ASC_CQ_STOPPER);
+#define ASC_SYN_OFFSET_ONE_DISABLE_LIST 16
+static uchar _syn_offset_one_disable_cmd[ASC_SYN_OFFSET_ONE_DISABLE_LIST] = {
+ INQUIRY,
+ REQUEST_SENSE,
+ READ_CAPACITY,
+ READ_TOC,
+ MODE_SELECT,
+ MODE_SENSE,
+ MODE_SELECT_10,
+ MODE_SENSE_10,
+ 0xFF,
+ 0xFF,
+ 0xFF,
+ 0xFF,
+ 0xFF,
+ 0xFF,
+ 0xFF,
+ 0xFF
+};
- /*
- * Set RISC ICQ physical address start value.
- * carr_pa is LE, must be native before write
- */
- AdvWriteDWordLramNoSwap(iop_base, ASC_MC_ICQ, asc_dvc->icq_sp->carr_pa);
+static int AscExeScsiQueue(ASC_DVC_VAR *asc_dvc, ASC_SCSI_Q *scsiq)
+{
+ PortAddr iop_base;
+ int sta;
+ int n_q_required;
+ int disable_syn_offset_one_fix;
+ int i;
+ ASC_PADDR addr;
+ ushort sg_entry_cnt = 0;
+ ushort sg_entry_cnt_minus_one = 0;
+ uchar target_ix;
+ uchar tid_no;
+ uchar sdtr_data;
+ uchar extra_bytes;
+ uchar scsi_cmd;
+ uchar disable_cmd;
+ ASC_SG_HEAD *sg_head;
+ ASC_DCNT data_cnt;
- /*
- * Set-up the RISC->Host Initiator Response Queue (IRQ).
- */
- if ((asc_dvc->irq_sp = asc_dvc->carr_freelist) == NULL) {
- asc_dvc->err_code |= ASC_IERR_NO_CARRIER;
- return ADV_ERROR;
+ iop_base = asc_dvc->iop_base;
+ sg_head = scsiq->sg_head;
+ if (asc_dvc->err_code != 0)
+ return (ERR);
+ scsiq->q1.q_no = 0;
+ if ((scsiq->q2.tag_code & ASC_TAG_FLAG_EXTRA_BYTES) == 0) {
+ scsiq->q1.extra_bytes = 0;
}
- asc_dvc->carr_freelist = (ADV_CARR_T *)
- ADV_U32_TO_VADDR(le32_to_cpu(asc_dvc->irq_sp->next_vpa));
-
- /*
- * The first command completed by the RISC will be placed in
- * the stopper.
- *
- * Note: Set 'next_vpa' to ASC_CQ_STOPPER. When the request is
- * completed the RISC will set the ASC_RQ_STOPPER bit.
- */
- asc_dvc->irq_sp->next_vpa = cpu_to_le32(ASC_CQ_STOPPER);
-
- /*
- * Set RISC IRQ physical address start value.
- *
- * carr_pa is LE, must be native before write *
- */
- AdvWriteDWordLramNoSwap(iop_base, ASC_MC_IRQ, asc_dvc->irq_sp->carr_pa);
- asc_dvc->carr_pending_cnt = 0;
-
- AdvWriteByteRegister(iop_base, IOPB_INTR_ENABLES,
- (ADV_INTR_ENABLE_HOST_INTR |
- ADV_INTR_ENABLE_GLOBAL_INTR));
-
- AdvReadWordLram(iop_base, ASC_MC_CODE_BEGIN_ADDR, word);
- AdvWriteWordRegister(iop_base, IOPW_PC, word);
-
- /* finally, finally, gentlemen, start your engine */
- AdvWriteWordRegister(iop_base, IOPW_RISC_CSR, ADV_RISC_CSR_RUN);
-
- /*
- * Reset the SCSI Bus if the EEPROM indicates that SCSI Bus
- * Resets should be performed. The RISC has to be running
- * to issue a SCSI Bus Reset.
- */
- if (asc_dvc->bios_ctrl & BIOS_CTRL_RESET_SCSI_BUS) {
+ sta = 0;
+ target_ix = scsiq->q2.target_ix;
+ tid_no = ASC_TIX_TO_TID(target_ix);
+ n_q_required = 1;
+ if (scsiq->cdbptr[0] == REQUEST_SENSE) {
+ if ((asc_dvc->init_sdtr & scsiq->q1.target_id) != 0) {
+ asc_dvc->sdtr_done &= ~scsiq->q1.target_id;
+ sdtr_data = AscGetMCodeInitSDTRAtID(iop_base, tid_no);
+ AscMsgOutSDTR(asc_dvc,
+ asc_dvc->
+ sdtr_period_tbl[(sdtr_data >> 4) &
+ (uchar)(asc_dvc->
+ max_sdtr_index -
+ 1)],
+ (uchar)(sdtr_data & (uchar)
+ ASC_SYN_MAX_OFFSET));
+ scsiq->q1.cntl |= (QC_MSG_OUT | QC_URGENT);
+ }
+ }
+ if (asc_dvc->in_critical_cnt != 0) {
+ AscSetLibErrorCode(asc_dvc, ASCQ_ERR_CRITICAL_RE_ENTRY);
+ return (ERR);
+ }
+ asc_dvc->in_critical_cnt++;
+ if ((scsiq->q1.cntl & QC_SG_HEAD) != 0) {
+ if ((sg_entry_cnt = sg_head->entry_cnt) == 0) {
+ asc_dvc->in_critical_cnt--;
+ return (ERR);
+ }
+#if !CC_VERY_LONG_SG_LIST
+ if (sg_entry_cnt > ASC_MAX_SG_LIST) {
+ asc_dvc->in_critical_cnt--;
+ return (ERR);
+ }
+#endif /* !CC_VERY_LONG_SG_LIST */
+ if (sg_entry_cnt == 1) {
+ scsiq->q1.data_addr =
+ (ADV_PADDR)sg_head->sg_list[0].addr;
+ scsiq->q1.data_cnt =
+ (ADV_DCNT)sg_head->sg_list[0].bytes;
+ scsiq->q1.cntl &= ~(QC_SG_HEAD | QC_SG_SWAP_QUEUE);
+ }
+ sg_entry_cnt_minus_one = sg_entry_cnt - 1;
+ }
+ scsi_cmd = scsiq->cdbptr[0];
+ disable_syn_offset_one_fix = FALSE;
+ if ((asc_dvc->pci_fix_asyn_xfer & scsiq->q1.target_id) &&
+ !(asc_dvc->pci_fix_asyn_xfer_always & scsiq->q1.target_id)) {
+ if (scsiq->q1.cntl & QC_SG_HEAD) {
+ data_cnt = 0;
+ for (i = 0; i < sg_entry_cnt; i++) {
+ data_cnt +=
+ (ADV_DCNT)le32_to_cpu(sg_head->sg_list[i].
+ bytes);
+ }
+ } else {
+ data_cnt = le32_to_cpu(scsiq->q1.data_cnt);
+ }
+ if (data_cnt != 0UL) {
+ if (data_cnt < 512UL) {
+ disable_syn_offset_one_fix = TRUE;
+ } else {
+ for (i = 0; i < ASC_SYN_OFFSET_ONE_DISABLE_LIST;
+ i++) {
+ disable_cmd =
+ _syn_offset_one_disable_cmd[i];
+ if (disable_cmd == 0xFF) {
+ break;
+ }
+ if (scsi_cmd == disable_cmd) {
+ disable_syn_offset_one_fix =
+ TRUE;
+ break;
+ }
+ }
+ }
+ }
+ }
+ if (disable_syn_offset_one_fix) {
+ scsiq->q2.tag_code &= ~MSG_SIMPLE_TAG;
+ scsiq->q2.tag_code |= (ASC_TAG_FLAG_DISABLE_ASYN_USE_SYN_FIX |
+ ASC_TAG_FLAG_DISABLE_DISCONNECT);
+ } else {
+ scsiq->q2.tag_code &= 0x27;
+ }
+ if ((scsiq->q1.cntl & QC_SG_HEAD) != 0) {
+ if (asc_dvc->bug_fix_cntl) {
+ if (asc_dvc->bug_fix_cntl & ASC_BUG_FIX_IF_NOT_DWB) {
+ if ((scsi_cmd == READ_6) ||
+ (scsi_cmd == READ_10)) {
+ addr =
+ (ADV_PADDR)le32_to_cpu(sg_head->
+ sg_list
+ [sg_entry_cnt_minus_one].
+ addr) +
+ (ADV_DCNT)le32_to_cpu(sg_head->
+ sg_list
+ [sg_entry_cnt_minus_one].
+ bytes);
+ extra_bytes =
+ (uchar)((ushort)addr & 0x0003);
+ if ((extra_bytes != 0)
+ &&
+ ((scsiq->q2.
+ tag_code &
+ ASC_TAG_FLAG_EXTRA_BYTES)
+ == 0)) {
+ scsiq->q2.tag_code |=
+ ASC_TAG_FLAG_EXTRA_BYTES;
+ scsiq->q1.extra_bytes =
+ extra_bytes;
+ data_cnt =
+ le32_to_cpu(sg_head->
+ sg_list
+ [sg_entry_cnt_minus_one].
+ bytes);
+ data_cnt -=
+ (ASC_DCNT) extra_bytes;
+ sg_head->
+ sg_list
+ [sg_entry_cnt_minus_one].
+ bytes =
+ cpu_to_le32(data_cnt);
+ }
+ }
+ }
+ }
+ sg_head->entry_to_copy = sg_head->entry_cnt;
+#if CC_VERY_LONG_SG_LIST
/*
- * If the BIOS Signature is present in memory, restore the
- * BIOS Handshake Configuration Table and do not perform
- * a SCSI Bus Reset.
+ * Set the sg_entry_cnt to the maximum possible. The rest of
+ * the SG elements will be copied when the RISC completes the
+ * SG elements that fit and halts.
*/
- if (bios_mem[(ASC_MC_BIOS_SIGNATURE - ASC_MC_BIOSMEM) / 2] ==
- 0x55AA) {
- /*
- * Restore per TID negotiated values.
- */
- AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able);
- AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able);
- AdvWriteWordLram(iop_base, ASC_MC_TAGQNG_ABLE,
- tagqng_able);
- for (tid = 0; tid <= ADV_MAX_TID; tid++) {
- AdvWriteByteLram(iop_base,
- ASC_MC_NUMBER_OF_MAX_CMD + tid,
- max_cmd[tid]);
+ if (sg_entry_cnt > ASC_MAX_SG_LIST) {
+ sg_entry_cnt = ASC_MAX_SG_LIST;
+ }
+#endif /* CC_VERY_LONG_SG_LIST */
+ n_q_required = AscSgListToQueue(sg_entry_cnt);
+ if ((AscGetNumOfFreeQueue(asc_dvc, target_ix, n_q_required) >=
+ (uint) n_q_required)
+ || ((scsiq->q1.cntl & QC_URGENT) != 0)) {
+ if ((sta =
+ AscSendScsiQueue(asc_dvc, scsiq,
+ n_q_required)) == 1) {
+ asc_dvc->in_critical_cnt--;
+ return (sta);
}
- } else {
- if (AdvResetSB(asc_dvc) != ADV_TRUE) {
- warn_code = ASC_WARN_BUSRESET_ERROR;
+ }
+ } else {
+ if (asc_dvc->bug_fix_cntl) {
+ if (asc_dvc->bug_fix_cntl & ASC_BUG_FIX_IF_NOT_DWB) {
+ if ((scsi_cmd == READ_6) ||
+ (scsi_cmd == READ_10)) {
+ addr =
+ le32_to_cpu(scsiq->q1.data_addr) +
+ le32_to_cpu(scsiq->q1.data_cnt);
+ extra_bytes =
+ (uchar)((ushort)addr & 0x0003);
+ if ((extra_bytes != 0)
+ &&
+ ((scsiq->q2.
+ tag_code &
+ ASC_TAG_FLAG_EXTRA_BYTES)
+ == 0)) {
+ data_cnt =
+ le32_to_cpu(scsiq->q1.
+ data_cnt);
+ if (((ushort)data_cnt & 0x01FF)
+ == 0) {
+ scsiq->q2.tag_code |=
+ ASC_TAG_FLAG_EXTRA_BYTES;
+ data_cnt -= (ASC_DCNT)
+ extra_bytes;
+ scsiq->q1.data_cnt =
+ cpu_to_le32
+ (data_cnt);
+ scsiq->q1.extra_bytes =
+ extra_bytes;
+ }
+ }
+ }
+ }
+ }
+ n_q_required = 1;
+ if ((AscGetNumOfFreeQueue(asc_dvc, target_ix, 1) >= 1) ||
+ ((scsiq->q1.cntl & QC_URGENT) != 0)) {
+ if ((sta = AscSendScsiQueue(asc_dvc, scsiq,
+ n_q_required)) == 1) {
+ asc_dvc->in_critical_cnt--;
+ return (sta);
}
}
}
-
- return warn_code;
+ asc_dvc->in_critical_cnt--;
+ return (sta);
}
/*
- * Initialize the ASC-38C1600.
- *
- * On failure set the ASC_DVC_VAR field 'err_code' and return ADV_ERROR.
- *
- * For a non-fatal error return a warning code. If there are no warnings
- * then 0 is returned.
+ * AdvExeScsiQueue() - Send a request to the RISC microcode program.
*
- * Needed after initialization for error recovery.
- */
-static int AdvInitAsc38C1600Driver(ADV_DVC_VAR *asc_dvc)
-{
- AdvPortAddr iop_base;
- ushort warn_code;
- int begin_addr;
- int end_addr;
- ushort code_sum;
- long word;
- int i;
- ushort scsi_cfg1;
- uchar byte;
- uchar tid;
- ushort bios_mem[ASC_MC_BIOSLEN / 2]; /* BIOS RISC Memory 0x40-0x8F. */
- ushort wdtr_able, sdtr_able, ppr_able, tagqng_able;
- uchar max_cmd[ASC_MAX_TID + 1];
-
- /* If there is already an error, don't continue. */
- if (asc_dvc->err_code != 0) {
- return ADV_ERROR;
- }
-
- /*
- * The caller must set 'chip_type' to ADV_CHIP_ASC38C1600.
- */
- if (asc_dvc->chip_type != ADV_CHIP_ASC38C1600) {
- asc_dvc->err_code = ASC_IERR_BAD_CHIPTYPE;
- return ADV_ERROR;
- }
-
- warn_code = 0;
- iop_base = asc_dvc->iop_base;
-
- /*
- * Save the RISC memory BIOS region before writing the microcode.
- * The BIOS may already be loaded and using its RISC LRAM region
- * so its region must be saved and restored.
- *
- * Note: This code makes the assumption, which is currently true,
- * that a chip reset does not clear RISC LRAM.
- */
- for (i = 0; i < ASC_MC_BIOSLEN / 2; i++) {
- AdvReadWordLram(iop_base, ASC_MC_BIOSMEM + (2 * i),
- bios_mem[i]);
- }
-
- /*
- * Save current per TID negotiated values.
- */
- AdvReadWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able);
- AdvReadWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able);
- AdvReadWordLram(iop_base, ASC_MC_PPR_ABLE, ppr_able);
- AdvReadWordLram(iop_base, ASC_MC_TAGQNG_ABLE, tagqng_able);
- for (tid = 0; tid <= ASC_MAX_TID; tid++) {
- AdvReadByteLram(iop_base, ASC_MC_NUMBER_OF_MAX_CMD + tid,
- max_cmd[tid]);
- }
-
- /*
- * RAM BIST (Built-In Self Test)
- *
- * Address : I/O base + offset 0x38h register (byte).
- * Function: Bit 7-6(RW) : RAM mode
- * Normal Mode : 0x00
- * Pre-test Mode : 0x40
- * RAM Test Mode : 0x80
- * Bit 5 : unused
- * Bit 4(RO) : Done bit
- * Bit 3-0(RO) : Status
- * Host Error : 0x08
- * Int_RAM Error : 0x04
- * RISC Error : 0x02
- * SCSI Error : 0x01
- * No Error : 0x00
- *
- * Note: RAM BIST code should be put right here, before loading the
- * microcode and after saving the RISC memory BIOS region.
- */
-
- /*
- * LRAM Pre-test
- *
- * Write PRE_TEST_MODE (0x40) to register and wait for 10 milliseconds.
- * If Done bit not set or low nibble not PRE_TEST_VALUE (0x05), return
- * an error. Reset to NORMAL_MODE (0x00) and do again. If cannot reset
- * to NORMAL_MODE, return an error too.
- */
- for (i = 0; i < 2; i++) {
- AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, PRE_TEST_MODE);
- mdelay(10); /* Wait for 10ms before reading back. */
- byte = AdvReadByteRegister(iop_base, IOPB_RAM_BIST);
- if ((byte & RAM_TEST_DONE) == 0
- || (byte & 0x0F) != PRE_TEST_VALUE) {
- asc_dvc->err_code = ASC_IERR_BIST_PRE_TEST;
- return ADV_ERROR;
- }
-
- AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, NORMAL_MODE);
- mdelay(10); /* Wait for 10ms before reading back. */
- if (AdvReadByteRegister(iop_base, IOPB_RAM_BIST)
- != NORMAL_VALUE) {
- asc_dvc->err_code = ASC_IERR_BIST_PRE_TEST;
- return ADV_ERROR;
- }
- }
+ * Allocate a carrier structure, point the carrier to the ADV_SCSI_REQ_Q,
+ * add the carrier to the ICQ (Initiator Command Queue), and tickle the
+ * RISC to notify it a new command is ready to be executed.
+ *
+ * If 'done_status' is not set to QD_DO_RETRY, then 'error_retry' will be
+ * set to SCSI_MAX_RETRY.
+ *
+ * Multi-byte fields in the ASC_SCSI_REQ_Q that are used by the microcode
+ * for DMA addresses or math operations are byte swapped to little-endian
+ * order.
+ *
+ * Return:
+ * ADV_SUCCESS(1) - The request was successfully queued.
+ * ADV_BUSY(0) - Resource unavailable; Retry again after pending
+ * request completes.
+ * ADV_ERROR(-1) - Invalid ADV_SCSI_REQ_Q request structure
+ * host IC error.
+ */
+static int AdvExeScsiQueue(ADV_DVC_VAR *asc_dvc, ADV_SCSI_REQ_Q *scsiq)
+{
+ AdvPortAddr iop_base;
+ ADV_DCNT req_size;
+ ADV_PADDR req_paddr;
+ ADV_CARR_T *new_carrp;
/*
- * LRAM Test - It takes about 1.5 ms to run through the test.
- *
- * Write RAM_TEST_MODE (0x80) to register and wait for 10 milliseconds.
- * If Done bit not set or Status not 0, save register byte, set the
- * err_code, and return an error.
+ * The ADV_SCSI_REQ_Q 'target_id' field should never exceed ADV_MAX_TID.
*/
- AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, RAM_TEST_MODE);
- mdelay(10); /* Wait for 10ms before checking status. */
-
- byte = AdvReadByteRegister(iop_base, IOPB_RAM_BIST);
- if ((byte & RAM_TEST_DONE) == 0 || (byte & RAM_TEST_STATUS) != 0) {
- /* Get here if Done bit not set or Status not 0. */
- asc_dvc->bist_err_code = byte; /* for BIOS display message */
- asc_dvc->err_code = ASC_IERR_BIST_RAM_TEST;
+ if (scsiq->target_id > ADV_MAX_TID) {
+ scsiq->host_status = QHSTA_M_INVALID_DEVICE;
+ scsiq->done_status = QD_WITH_ERROR;
return ADV_ERROR;
}
- /* We need to reset back to normal mode after LRAM test passes. */
- AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, NORMAL_MODE);
-
- asc_dvc->err_code = AdvLoadMicrocode(iop_base, _adv_asc38C1600_buf,
- _adv_asc38C1600_size, ADV_38C1600_MEMSIZE,
- _adv_asc38C1600_chksum);
- if (asc_dvc->err_code)
- return ADV_ERROR;
+ iop_base = asc_dvc->iop_base;
/*
- * Restore the RISC memory BIOS region.
+ * Allocate a carrier ensuring at least one carrier always
+ * remains on the freelist and initialize fields.
*/
- for (i = 0; i < ASC_MC_BIOSLEN / 2; i++) {
- AdvWriteWordLram(iop_base, ASC_MC_BIOSMEM + (2 * i),
- bios_mem[i]);
+ if ((new_carrp = asc_dvc->carr_freelist) == NULL) {
+ return ADV_BUSY;
}
+ asc_dvc->carr_freelist = (ADV_CARR_T *)
+ ADV_U32_TO_VADDR(le32_to_cpu(new_carrp->next_vpa));
+ asc_dvc->carr_pending_cnt++;
/*
- * Calculate and write the microcode code checksum to the microcode
- * code checksum location ASC_MC_CODE_CHK_SUM (0x2C).
+ * Set the carrier to be a stopper by setting 'next_vpa'
+ * to the stopper value. The current stopper will be changed
+ * below to point to the new stopper.
*/
- AdvReadWordLram(iop_base, ASC_MC_CODE_BEGIN_ADDR, begin_addr);
- AdvReadWordLram(iop_base, ASC_MC_CODE_END_ADDR, end_addr);
- code_sum = 0;
- AdvWriteWordRegister(iop_base, IOPW_RAM_ADDR, begin_addr);
- for (word = begin_addr; word < end_addr; word += 2) {
- code_sum += AdvReadWordAutoIncLram(iop_base);
- }
- AdvWriteWordLram(iop_base, ASC_MC_CODE_CHK_SUM, code_sum);
+ new_carrp->next_vpa = cpu_to_le32(ASC_CQ_STOPPER);
/*
- * Read microcode version and date.
+ * Clear the ADV_SCSI_REQ_Q done flag.
*/
- AdvReadWordLram(iop_base, ASC_MC_VERSION_DATE,
- asc_dvc->cfg->mcode_date);
- AdvReadWordLram(iop_base, ASC_MC_VERSION_NUM,
- asc_dvc->cfg->mcode_version);
+ scsiq->a_flag &= ~ADV_SCSIQ_DONE;
- /*
- * Set the chip type to indicate the ASC38C1600.
- */
- AdvWriteWordLram(iop_base, ASC_MC_CHIP_TYPE, ADV_CHIP_ASC38C1600);
+ req_size = sizeof(ADV_SCSI_REQ_Q);
+ req_paddr = DvcGetPhyAddr(asc_dvc, scsiq, (uchar *)scsiq,
+ (ADV_SDCNT *)&req_size, ADV_IS_SCSIQ_FLAG);
- /*
- * Write 1 to bit 14 'DIS_TERM_DRV' in the SCSI_CFG1 register.
- * When DIS_TERM_DRV set to 1, C_DET[3:0] will reflect current
- * cable detection and then we are able to read C_DET[3:0].
- *
- * Note: We will reset DIS_TERM_DRV to 0 in the 'Set SCSI_CFG1
- * Microcode Default Value' section below.
- */
- scsi_cfg1 = AdvReadWordRegister(iop_base, IOPW_SCSI_CFG1);
- AdvWriteWordRegister(iop_base, IOPW_SCSI_CFG1,
- scsi_cfg1 | DIS_TERM_DRV);
+ BUG_ON(req_paddr & 31);
+ BUG_ON(req_size < sizeof(ADV_SCSI_REQ_Q));
+
+ /* Wait for assertion before making little-endian */
+ req_paddr = cpu_to_le32(req_paddr);
+ /* Save virtual and physical address of ADV_SCSI_REQ_Q and carrier. */
+ scsiq->scsiq_ptr = cpu_to_le32(ADV_VADDR_TO_U32(scsiq));
+ scsiq->scsiq_rptr = req_paddr;
+
+ scsiq->carr_va = cpu_to_le32(ADV_VADDR_TO_U32(asc_dvc->icq_sp));
/*
- * If the PCI Configuration Command Register "Parity Error Response
- * Control" Bit was clear (0), then set the microcode variable
- * 'control_flag' CONTROL_FLAG_IGNORE_PERR flag to tell the microcode
- * to ignore DMA parity errors.
+ * Every ADV_CARR_T.carr_pa is byte swapped to little-endian
+ * order during initialization.
*/
- if (asc_dvc->cfg->control_flag & CONTROL_FLAG_IGNORE_PERR) {
- AdvReadWordLram(iop_base, ASC_MC_CONTROL_FLAG, word);
- word |= CONTROL_FLAG_IGNORE_PERR;
- AdvWriteWordLram(iop_base, ASC_MC_CONTROL_FLAG, word);
- }
+ scsiq->carr_pa = asc_dvc->icq_sp->carr_pa;
/*
- * If the BIOS control flag AIPP (Asynchronous Information
- * Phase Protection) disable bit is not set, then set the firmware
- * 'control_flag' CONTROL_FLAG_ENABLE_AIPP bit to enable
- * AIPP checking and encoding.
+ * Use the current stopper to send the ADV_SCSI_REQ_Q command to
+ * the microcode. The newly allocated stopper will become the new
+ * stopper.
*/
- if ((asc_dvc->bios_ctrl & BIOS_CTRL_AIPP_DIS) == 0) {
- AdvReadWordLram(iop_base, ASC_MC_CONTROL_FLAG, word);
- word |= CONTROL_FLAG_ENABLE_AIPP;
- AdvWriteWordLram(iop_base, ASC_MC_CONTROL_FLAG, word);
- }
+ asc_dvc->icq_sp->areq_vpa = req_paddr;
/*
- * For ASC-38C1600 use DMA_CFG0 default values: FIFO_THRESH_80B [6:4],
- * and START_CTL_TH [3:2].
+ * Set the 'next_vpa' pointer for the old stopper to be the
+ * physical address of the new stopper. The RISC can only
+ * follow physical addresses.
*/
- AdvWriteByteRegister(iop_base, IOPB_DMA_CFG0,
- FIFO_THRESH_80B | START_CTL_TH | READ_CMD_MRM);
+ asc_dvc->icq_sp->next_vpa = new_carrp->carr_pa;
/*
- * Microcode operating variables for WDTR, SDTR, and command tag
- * queuing will be set in slave_configure() based on what a
- * device reports it is capable of in Inquiry byte 7.
- *
- * If SCSI Bus Resets have been disabled, then directly set
- * SDTR and WDTR from the EEPROM configuration. This will allow
- * the BIOS and warm boot to work without a SCSI bus hang on
- * the Inquiry caused by host and target mismatched DTR values.
- * Without the SCSI Bus Reset, before an Inquiry a device can't
- * be assumed to be in Asynchronous, Narrow mode.
+ * Set the host adapter stopper pointer to point to the new carrier.
*/
- if ((asc_dvc->bios_ctrl & BIOS_CTRL_RESET_SCSI_BUS) == 0) {
- AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE,
- asc_dvc->wdtr_able);
- AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE,
- asc_dvc->sdtr_able);
+ asc_dvc->icq_sp = new_carrp;
+
+ if (asc_dvc->chip_type == ADV_CHIP_ASC3550 ||
+ asc_dvc->chip_type == ADV_CHIP_ASC38C0800) {
+ /*
+ * Tickle the RISC to tell it to read its Command Queue Head pointer.
+ */
+ AdvWriteByteRegister(iop_base, IOPB_TICKLE, ADV_TICKLE_A);
+ if (asc_dvc->chip_type == ADV_CHIP_ASC3550) {
+ /*
+ * Clear the tickle value. In the ASC-3550 the RISC flag
+ * command 'clr_tickle_a' does not work unless the host
+ * value is cleared.
+ */
+ AdvWriteByteRegister(iop_base, IOPB_TICKLE,
+ ADV_TICKLE_NOP);
+ }
+ } else if (asc_dvc->chip_type == ADV_CHIP_ASC38C1600) {
+ /*
+ * Notify the RISC a carrier is ready by writing the physical
+ * address of the new carrier stopper to the COMMA register.
+ */
+ AdvWriteDWordRegister(iop_base, IOPDW_COMMA,
+ le32_to_cpu(new_carrp->carr_pa));
}
- /*
- * Set microcode operating variables for DISC and SDTR_SPEED1,
- * SDTR_SPEED2, SDTR_SPEED3, and SDTR_SPEED4 based on the EEPROM
- * configuration values.
- *
- * The SDTR per TID bitmask overrides the SDTR_SPEED1, SDTR_SPEED2,
- * SDTR_SPEED3, and SDTR_SPEED4 values so it is safe to set them
- * without determining here whether the device supports SDTR.
- */
- AdvWriteWordLram(iop_base, ASC_MC_DISC_ENABLE,
- asc_dvc->cfg->disc_enable);
- AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED1, asc_dvc->sdtr_speed1);
- AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED2, asc_dvc->sdtr_speed2);
- AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED3, asc_dvc->sdtr_speed3);
- AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED4, asc_dvc->sdtr_speed4);
+ return ADV_SUCCESS;
+}
+
+/*
+ * Execute a single 'Scsi_Cmnd'.
+ *
+ * The function 'done' is called when the request has been completed.
+ *
+ * Scsi_Cmnd:
+ *
+ * host - board controlling device
+ * device - device to send command
+ * target - target of device
+ * lun - lun of device
+ * cmd_len - length of SCSI CDB
+ * cmnd - buffer for SCSI 8, 10, or 12 byte CDB
+ * use_sg - if non-zero indicates scatter-gather request with use_sg elements
+ *
+ * if (use_sg == 0) {
+ * request_buffer - buffer address for request
+ * request_bufflen - length of request buffer
+ * } else {
+ * request_buffer - pointer to scatterlist structure
+ * }
+ *
+ * sense_buffer - sense command buffer
+ *
+ * result (4 bytes of an int):
+ * Byte Meaning
+ * 0 SCSI Status Byte Code
+ * 1 SCSI One Byte Message Code
+ * 2 Host Error Code
+ * 3 Mid-Level Error Code
+ *
+ * host driver fields:
+ * SCp - Scsi_Pointer used for command processing status
+ * scsi_done - used to save caller's done function
+ * host_scribble - used for pointer to another struct scsi_cmnd
+ *
+ * If this function returns ASC_NOERROR the request will be completed
+ * from the interrupt handler.
+ *
+ * If this function returns ASC_ERROR the host error code has been set,
+ * and the called must call asc_scsi_done.
+ *
+ * If ASC_BUSY is returned the request will be returned to the midlayer
+ * and re-tried later.
+ */
+static int asc_execute_scsi_cmnd(struct scsi_cmnd *scp)
+{
+ asc_board_t *boardp;
+ ASC_DVC_VAR *asc_dvc_varp;
+ ADV_DVC_VAR *adv_dvc_varp;
+ ADV_SCSI_REQ_Q *adv_scsiqp;
+ struct scsi_device *device;
+ int ret;
+
+ ASC_DBG2(1, "asc_execute_scsi_cmnd: scp 0x%lx, done 0x%lx\n",
+ (ulong)scp, (ulong)scp->scsi_done);
- /*
- * Set SCSI_CFG0 Microcode Default Value.
- *
- * The microcode will set the SCSI_CFG0 register using this value
- * after it is started below.
- */
- AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SCSI_CFG0,
- PARITY_EN | QUEUE_128 | SEL_TMO_LONG | OUR_ID_EN |
- asc_dvc->chip_scsi_id);
+ boardp = ASC_BOARDP(scp->device->host);
+ device = boardp->device[scp->device->id];
- /*
- * Calculate SCSI_CFG1 Microcode Default Value.
- *
- * The microcode will set the SCSI_CFG1 register using this value
- * after it is started below.
- *
- * Each ASC-38C1600 function has only two cable detect bits.
- * The bus mode override bits are in IOPB_SOFT_OVER_WR.
- */
- scsi_cfg1 = AdvReadWordRegister(iop_base, IOPW_SCSI_CFG1);
+ if (ASC_NARROW_BOARD(boardp)) {
+ /*
+ * Build and execute Narrow Board request.
+ */
- /*
- * If the cable is reversed all of the SCSI_CTRL register signals
- * will be set. Check for and return an error if this condition is
- * found.
- */
- if ((AdvReadWordRegister(iop_base, IOPW_SCSI_CTRL) & 0x3F07) == 0x3F07) {
- asc_dvc->err_code |= ASC_IERR_REVERSED_CABLE;
- return ADV_ERROR;
- }
+ asc_dvc_varp = &boardp->dvc_var.asc_dvc_var;
- /*
- * Each ASC-38C1600 function has two connectors. Only an HVD device
- * can not be connected to either connector. An LVD device or SE device
- * may be connected to either connecor. If an SE device is connected,
- * then at most Ultra speed (20 Mhz) can be used on both connectors.
- *
- * If an HVD device is attached, return an error.
- */
- if (scsi_cfg1 & HVD) {
- asc_dvc->err_code |= ASC_IERR_HVD_DEVICE;
- return ADV_ERROR;
- }
+ /*
+ * Build Asc Library request structure using the
+ * global structures 'asc_scsi_req' and 'asc_sg_head'.
+ *
+ * If an error is returned, then the request has been
+ * queued on the board done queue. It will be completed
+ * by the caller.
+ *
+ * asc_build_req() can not return ASC_BUSY.
+ */
+ if (asc_build_req(boardp, scp) == ASC_ERROR) {
+ ASC_STATS(scp->device->host, build_error);
+ return ASC_ERROR;
+ }
- /*
- * Each function in the ASC-38C1600 uses only the SE cable detect and
- * termination because there are two connectors for each function. Each
- * function may use either LVD or SE mode. Corresponding the SE automatic
- * termination control EEPROM bits are used for each function. Each
- * function has its own EEPROM. If SE automatic control is enabled for
- * the function, then set the termination value based on a table listed
- * in a_condor.h.
- *
- * If manual termination is specified in the EEPROM for the function,
- * then 'termination' was set-up in AscInitFrom38C1600EEPROM() and is
- * ready to be 'ored' into SCSI_CFG1.
- */
- if ((asc_dvc->cfg->termination & TERM_SE) == 0) {
- struct pci_dev *pdev = adv_dvc_to_pdev(asc_dvc);
- /* SE automatic termination control is enabled. */
- switch (scsi_cfg1 & C_DET_SE) {
- /* TERM_SE_HI: on, TERM_SE_LO: on */
- case 0x1:
- case 0x2:
- case 0x3:
- asc_dvc->cfg->termination |= TERM_SE;
+ switch (ret = AscExeScsiQueue(asc_dvc_varp, &asc_scsi_q)) {
+ case ASC_NOERROR:
+ ASC_STATS(scp->device->host, exe_noerror);
+ /*
+ * Increment monotonically increasing per device
+ * successful request counter. Wrapping doesn't matter.
+ */
+ boardp->reqcnt[scp->device->id]++;
+ ASC_DBG(1, "asc_execute_scsi_cmnd: AscExeScsiQueue(), "
+ "ASC_NOERROR\n");
+ break;
+ case ASC_BUSY:
+ ASC_STATS(scp->device->host, exe_busy);
break;
+ case ASC_ERROR:
+ ASC_PRINT2("asc_execute_scsi_cmnd: board %d: "
+ "AscExeScsiQueue() ASC_ERROR, err_code 0x%x\n",
+ boardp->id, asc_dvc_varp->err_code);
+ ASC_STATS(scp->device->host, exe_error);
+ scp->result = HOST_BYTE(DID_ERROR);
+ break;
+ default:
+ ASC_PRINT2("asc_execute_scsi_cmnd: board %d: "
+ "AscExeScsiQueue() unknown, err_code 0x%x\n",
+ boardp->id, asc_dvc_varp->err_code);
+ ASC_STATS(scp->device->host, exe_unknown);
+ scp->result = HOST_BYTE(DID_ERROR);
+ break;
+ }
+ } else {
+ /*
+ * Build and execute Wide Board request.
+ */
+ adv_dvc_varp = &boardp->dvc_var.adv_dvc_var;
- case 0x0:
- if (PCI_FUNC(pdev->devfn) == 0) {
- /* Function 0 - TERM_SE_HI: off, TERM_SE_LO: off */
- } else {
- /* Function 1 - TERM_SE_HI: on, TERM_SE_LO: off */
- asc_dvc->cfg->termination |= TERM_SE_HI;
- }
+ /*
+ * Build and get a pointer to an Adv Library request structure.
+ *
+ * If the request is successfully built then send it below,
+ * otherwise return with an error.
+ */
+ switch (adv_build_req(boardp, scp, &adv_scsiqp)) {
+ case ASC_NOERROR:
+ ASC_DBG(3, "asc_execute_scsi_cmnd: adv_build_req "
+ "ASC_NOERROR\n");
+ break;
+ case ASC_BUSY:
+ ASC_DBG(1, "asc_execute_scsi_cmnd: adv_build_req "
+ "ASC_BUSY\n");
+ /*
+ * The asc_stats fields 'adv_build_noreq' and
+ * 'adv_build_nosg' count wide board busy conditions.
+ * They are updated in adv_build_req and
+ * adv_get_sglist, respectively.
+ */
+ return ASC_BUSY;
+ case ASC_ERROR:
+ default:
+ ASC_DBG(1, "asc_execute_scsi_cmnd: adv_build_req "
+ "ASC_ERROR\n");
+ ASC_STATS(scp->device->host, build_error);
+ return ASC_ERROR;
+ }
+
+ switch (ret = AdvExeScsiQueue(adv_dvc_varp, adv_scsiqp)) {
+ case ASC_NOERROR:
+ ASC_STATS(scp->device->host, exe_noerror);
+ /*
+ * Increment monotonically increasing per device
+ * successful request counter. Wrapping doesn't matter.
+ */
+ boardp->reqcnt[scp->device->id]++;
+ ASC_DBG(1, "asc_execute_scsi_cmnd: AdvExeScsiQueue(), "
+ "ASC_NOERROR\n");
+ break;
+ case ASC_BUSY:
+ ASC_STATS(scp->device->host, exe_busy);
+ break;
+ case ASC_ERROR:
+ ASC_PRINT2("asc_execute_scsi_cmnd: board %d: "
+ "AdvExeScsiQueue() ASC_ERROR, err_code 0x%x\n",
+ boardp->id, adv_dvc_varp->err_code);
+ ASC_STATS(scp->device->host, exe_error);
+ scp->result = HOST_BYTE(DID_ERROR);
+ break;
+ default:
+ ASC_PRINT2("asc_execute_scsi_cmnd: board %d: "
+ "AdvExeScsiQueue() unknown, err_code 0x%x\n",
+ boardp->id, adv_dvc_varp->err_code);
+ ASC_STATS(scp->device->host, exe_unknown);
+ scp->result = HOST_BYTE(DID_ERROR);
break;
}
}
- /*
- * Clear any set TERM_SE bits.
- */
- scsi_cfg1 &= ~TERM_SE;
+ ASC_DBG(1, "asc_execute_scsi_cmnd: end\n");
+ return ret;
+}
- /*
- * Invert the TERM_SE bits and then set 'scsi_cfg1'.
- */
- scsi_cfg1 |= (~asc_dvc->cfg->termination & TERM_SE);
+/*
+ * advansys_queuecommand() - interrupt-driven I/O entrypoint.
+ *
+ * This function always returns 0. Command return status is saved
+ * in the 'scp' result field.
+ */
+static int
+advansys_queuecommand(struct scsi_cmnd *scp, void (*done)(struct scsi_cmnd *))
+{
+ struct Scsi_Host *shost = scp->device->host;
+ asc_board_t *boardp = ASC_BOARDP(shost);
+ unsigned long flags;
+ int asc_res, result = 0;
- /*
- * Clear Big Endian and Terminator Polarity bits and set possibly
- * modified termination control bits in the Microcode SCSI_CFG1
- * Register Value.
- *
- * Big Endian bit is not used even on big endian machines.
- */
- scsi_cfg1 &= (~BIG_ENDIAN & ~DIS_TERM_DRV & ~TERM_POL);
+ ASC_STATS(shost, queuecommand);
+ scp->scsi_done = done;
/*
- * Set SCSI_CFG1 Microcode Default Value
- *
- * Set possibly modified termination control bits in the Microcode
- * SCSI_CFG1 Register Value.
- *
- * The microcode will set the SCSI_CFG1 register using this value
- * after it is started below.
+ * host_lock taken by mid-level prior to call, but need
+ * to protect against own ISR
*/
- AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SCSI_CFG1, scsi_cfg1);
+ spin_lock_irqsave(&boardp->lock, flags);
+ asc_res = asc_execute_scsi_cmnd(scp);
+ spin_unlock_irqrestore(&boardp->lock, flags);
+
+ switch (asc_res) {
+ case ASC_NOERROR:
+ break;
+ case ASC_BUSY:
+ result = SCSI_MLQUEUE_HOST_BUSY;
+ break;
+ case ASC_ERROR:
+ default:
+ asc_scsi_done(scp);
+ break;
+ }
+
+ return result;
+}
+
+static ushort __devinit AscGetEisaChipCfg(PortAddr iop_base)
+{
+ PortAddr eisa_cfg_iop = (PortAddr) ASC_GET_EISA_SLOT(iop_base) |
+ (PortAddr) (ASC_EISA_CFG_IOP_MASK);
+ return inpw(eisa_cfg_iop);
+}
+
+/*
+ * Return the BIOS address of the adapter at the specified
+ * I/O port and with the specified bus type.
+ */
+static unsigned short __devinit
+AscGetChipBiosAddress(PortAddr iop_base, unsigned short bus_type)
+{
+ unsigned short cfg_lsw;
+ unsigned short bios_addr;
/*
- * Set MEM_CFG Microcode Default Value
- *
- * The microcode will set the MEM_CFG register using this value
- * after it is started below.
- *
- * MEM_CFG may be accessed as a word or byte, but only bits 0-7
- * are defined.
- *
- * ASC-38C1600 has 32KB internal memory.
- *
- * XXX - Since ASC38C1600 Rev.3 has a Local RAM failure issue, we come
- * out a special 16K Adv Library and Microcode version. After the issue
- * resolved, we should turn back to the 32K support. Both a_condor.h and
- * mcode.sas files also need to be updated.
- *
- * AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_MEM_CFG,
- * BIOS_EN | RAM_SZ_32KB);
+ * The PCI BIOS is re-located by the motherboard BIOS. Because
+ * of this the driver can not determine where a PCI BIOS is
+ * loaded and executes.
*/
- AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_MEM_CFG,
- BIOS_EN | RAM_SZ_16KB);
+ if (bus_type & ASC_IS_PCI)
+ return 0;
- /*
- * Set SEL_MASK Microcode Default Value
- *
- * The microcode will set the SEL_MASK register using this value
- * after it is started below.
- */
- AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SEL_MASK,
- ADV_TID_TO_TIDMASK(asc_dvc->chip_scsi_id));
+ if ((bus_type & ASC_IS_EISA) != 0) {
+ cfg_lsw = AscGetEisaChipCfg(iop_base);
+ cfg_lsw &= 0x000F;
+ bios_addr = ASC_BIOS_MIN_ADDR + cfg_lsw * ASC_BIOS_BANK_SIZE;
+ return bios_addr;
+ }
- AdvBuildCarrierFreelist(asc_dvc);
+ cfg_lsw = AscGetChipCfgLsw(iop_base);
/*
- * Set-up the Host->RISC Initiator Command Queue (ICQ).
+ * ISA PnP uses the top bit as the 32K BIOS flag
*/
- if ((asc_dvc->icq_sp = asc_dvc->carr_freelist) == NULL) {
- asc_dvc->err_code |= ASC_IERR_NO_CARRIER;
- return ADV_ERROR;
+ if (bus_type == ASC_IS_ISAPNP)
+ cfg_lsw &= 0x7FFF;
+ bios_addr = ASC_BIOS_MIN_ADDR + (cfg_lsw >> 12) * ASC_BIOS_BANK_SIZE;
+ return bios_addr;
+}
+
+static uchar __devinit AscSetChipScsiID(PortAddr iop_base, uchar new_host_id)
+{
+ ushort cfg_lsw;
+
+ if (AscGetChipScsiID(iop_base) == new_host_id) {
+ return (new_host_id);
}
- asc_dvc->carr_freelist = (ADV_CARR_T *)
- ADV_U32_TO_VADDR(le32_to_cpu(asc_dvc->icq_sp->next_vpa));
+ cfg_lsw = AscGetChipCfgLsw(iop_base);
+ cfg_lsw &= 0xF8FF;
+ cfg_lsw |= (ushort)((new_host_id & ASC_MAX_TID) << 8);
+ AscSetChipCfgLsw(iop_base, cfg_lsw);
+ return (AscGetChipScsiID(iop_base));
+}
- /*
- * The first command issued will be placed in the stopper carrier.
- */
- asc_dvc->icq_sp->next_vpa = cpu_to_le32(ASC_CQ_STOPPER);
+static unsigned char __devinit AscGetChipScsiCtrl(PortAddr iop_base)
+{
+ unsigned char sc;
- /*
- * Set RISC ICQ physical address start value. Initialize the
- * COMMA register to the same value otherwise the RISC will
- * prematurely detect a command is available.
- */
- AdvWriteDWordLramNoSwap(iop_base, ASC_MC_ICQ, asc_dvc->icq_sp->carr_pa);
- AdvWriteDWordRegister(iop_base, IOPDW_COMMA,
- le32_to_cpu(asc_dvc->icq_sp->carr_pa));
+ AscSetBank(iop_base, 1);
+ sc = inp(iop_base + IOP_REG_SC);
+ AscSetBank(iop_base, 0);
+ return sc;
+}
- /*
- * Set-up the RISC->Host Initiator Response Queue (IRQ).
- */
- if ((asc_dvc->irq_sp = asc_dvc->carr_freelist) == NULL) {
- asc_dvc->err_code |= ASC_IERR_NO_CARRIER;
- return ADV_ERROR;
+static unsigned char __devinit
+AscGetChipVersion(PortAddr iop_base, unsigned short bus_type)
+{
+ if (bus_type & ASC_IS_EISA) {
+ PortAddr eisa_iop;
+ unsigned char revision;
+ eisa_iop = (PortAddr) ASC_GET_EISA_SLOT(iop_base) |
+ (PortAddr) ASC_EISA_REV_IOP_MASK;
+ revision = inp(eisa_iop);
+ return ASC_CHIP_MIN_VER_EISA - 1 + revision;
}
- asc_dvc->carr_freelist = (ADV_CARR_T *)
- ADV_U32_TO_VADDR(le32_to_cpu(asc_dvc->irq_sp->next_vpa));
+ return AscGetChipVerNo(iop_base);
+}
- /*
- * The first command completed by the RISC will be placed in
- * the stopper.
- *
- * Note: Set 'next_vpa' to ASC_CQ_STOPPER. When the request is
- * completed the RISC will set the ASC_RQ_STOPPER bit.
- */
- asc_dvc->irq_sp->next_vpa = cpu_to_le32(ASC_CQ_STOPPER);
+static void __devinit AscToggleIRQAct(PortAddr iop_base)
+{
+ AscSetChipStatus(iop_base, CIW_IRQ_ACT);
+ AscSetChipStatus(iop_base, 0);
+ return;
+}
- /*
- * Set RISC IRQ physical address start value.
- */
- AdvWriteDWordLramNoSwap(iop_base, ASC_MC_IRQ, asc_dvc->irq_sp->carr_pa);
- asc_dvc->carr_pending_cnt = 0;
+static uchar __devinit AscGetChipIRQ(PortAddr iop_base, ushort bus_type)
+{
+ ushort cfg_lsw;
+ uchar chip_irq;
- AdvWriteByteRegister(iop_base, IOPB_INTR_ENABLES,
- (ADV_INTR_ENABLE_HOST_INTR |
- ADV_INTR_ENABLE_GLOBAL_INTR));
- AdvReadWordLram(iop_base, ASC_MC_CODE_BEGIN_ADDR, word);
- AdvWriteWordRegister(iop_base, IOPW_PC, word);
+ if ((bus_type & ASC_IS_EISA) != 0) {
+ cfg_lsw = AscGetEisaChipCfg(iop_base);
+ chip_irq = (uchar)(((cfg_lsw >> 8) & 0x07) + 10);
+ if ((chip_irq == 13) || (chip_irq > 15)) {
+ return (0);
+ }
+ return (chip_irq);
+ }
+ if ((bus_type & ASC_IS_VL) != 0) {
+ cfg_lsw = AscGetChipCfgLsw(iop_base);
+ chip_irq = (uchar)(((cfg_lsw >> 2) & 0x07));
+ if ((chip_irq == 0) || (chip_irq == 4) || (chip_irq == 7)) {
+ return (0);
+ }
+ return ((uchar)(chip_irq + (ASC_MIN_IRQ_NO - 1)));
+ }
+ cfg_lsw = AscGetChipCfgLsw(iop_base);
+ chip_irq = (uchar)(((cfg_lsw >> 2) & 0x03));
+ if (chip_irq == 3)
+ chip_irq += (uchar)2;
+ return ((uchar)(chip_irq + ASC_MIN_IRQ_NO));
+}
- /* finally, finally, gentlemen, start your engine */
- AdvWriteWordRegister(iop_base, IOPW_RISC_CSR, ADV_RISC_CSR_RUN);
+static uchar __devinit
+AscSetChipIRQ(PortAddr iop_base, uchar irq_no, ushort bus_type)
+{
+ ushort cfg_lsw;
- /*
- * Reset the SCSI Bus if the EEPROM indicates that SCSI Bus
- * Resets should be performed. The RISC has to be running
- * to issue a SCSI Bus Reset.
- */
- if (asc_dvc->bios_ctrl & BIOS_CTRL_RESET_SCSI_BUS) {
- /*
- * If the BIOS Signature is present in memory, restore the
- * per TID microcode operating variables.
- */
- if (bios_mem[(ASC_MC_BIOS_SIGNATURE - ASC_MC_BIOSMEM) / 2] ==
- 0x55AA) {
- /*
- * Restore per TID negotiated values.
- */
- AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able);
- AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able);
- AdvWriteWordLram(iop_base, ASC_MC_PPR_ABLE, ppr_able);
- AdvWriteWordLram(iop_base, ASC_MC_TAGQNG_ABLE,
- tagqng_able);
- for (tid = 0; tid <= ASC_MAX_TID; tid++) {
- AdvWriteByteLram(iop_base,
- ASC_MC_NUMBER_OF_MAX_CMD + tid,
- max_cmd[tid]);
- }
- } else {
- if (AdvResetSB(asc_dvc) != ADV_TRUE) {
- warn_code = ASC_WARN_BUSRESET_ERROR;
+ if ((bus_type & ASC_IS_VL) != 0) {
+ if (irq_no != 0) {
+ if ((irq_no < ASC_MIN_IRQ_NO)
+ || (irq_no > ASC_MAX_IRQ_NO)) {
+ irq_no = 0;
+ } else {
+ irq_no -= (uchar)((ASC_MIN_IRQ_NO - 1));
}
}
+ cfg_lsw = (ushort)(AscGetChipCfgLsw(iop_base) & 0xFFE3);
+ cfg_lsw |= (ushort)0x0010;
+ AscSetChipCfgLsw(iop_base, cfg_lsw);
+ AscToggleIRQAct(iop_base);
+ cfg_lsw = (ushort)(AscGetChipCfgLsw(iop_base) & 0xFFE0);
+ cfg_lsw |= (ushort)((irq_no & 0x07) << 2);
+ AscSetChipCfgLsw(iop_base, cfg_lsw);
+ AscToggleIRQAct(iop_base);
+ return (AscGetChipIRQ(iop_base, bus_type));
+ }
+ if ((bus_type & (ASC_IS_ISA)) != 0) {
+ if (irq_no == 15)
+ irq_no -= (uchar)2;
+ irq_no -= (uchar)ASC_MIN_IRQ_NO;
+ cfg_lsw = (ushort)(AscGetChipCfgLsw(iop_base) & 0xFFF3);
+ cfg_lsw |= (ushort)((irq_no & 0x03) << 2);
+ AscSetChipCfgLsw(iop_base, cfg_lsw);
+ return (AscGetChipIRQ(iop_base, bus_type));
}
+ return (0);
+}
- return warn_code;
+#ifdef CONFIG_ISA
+static void __devinit AscEnableIsaDma(uchar dma_channel)
+{
+ if (dma_channel < 4) {
+ outp(0x000B, (ushort)(0xC0 | dma_channel));
+ outp(0x000A, dma_channel);
+ } else if (dma_channel < 8) {
+ outp(0x00D6, (ushort)(0xC0 | (dma_channel - 4)));
+ outp(0x00D4, (ushort)(dma_channel - 4));
+ }
+ return;
+}
+#endif /* CONFIG_ISA */
+
+static int AscStopQueueExe(PortAddr iop_base)
+{
+ int count = 0;
+
+ if (AscReadLramByte(iop_base, ASCV_STOP_CODE_B) == 0) {
+ AscWriteLramByte(iop_base, ASCV_STOP_CODE_B,
+ ASC_STOP_REQ_RISC_STOP);
+ do {
+ if (AscReadLramByte(iop_base, ASCV_STOP_CODE_B) &
+ ASC_STOP_ACK_RISC_STOP) {
+ return (1);
+ }
+ mdelay(100);
+ } while (count++ < 20);
+ }
+ return (0);
+}
+
+static ASC_DCNT __devinit AscGetMaxDmaCount(ushort bus_type)
+{
+ if (bus_type & ASC_IS_ISA)
+ return ASC_MAX_ISA_DMA_COUNT;
+ else if (bus_type & (ASC_IS_EISA | ASC_IS_VL))
+ return ASC_MAX_VL_DMA_COUNT;
+ return ASC_MAX_PCI_DMA_COUNT;
}
-/*
- * Read the board's EEPROM configuration. Set fields in ADV_DVC_VAR and
- * ADV_DVC_CFG based on the EEPROM settings. The chip is stopped while
- * all of this is done.
- *
- * On failure set the ADV_DVC_VAR field 'err_code' and return ADV_ERROR.
- *
- * For a non-fatal error return a warning code. If there are no warnings
- * then 0 is returned.
- *
- * Note: Chip is stopped on entry.
- */
-static int __devinit AdvInitFrom3550EEP(ADV_DVC_VAR *asc_dvc)
+#ifdef CONFIG_ISA
+static ushort __devinit AscGetIsaDmaChannel(PortAddr iop_base)
{
- AdvPortAddr iop_base;
- ushort warn_code;
- ADVEEP_3550_CONFIG eep_config;
+ ushort channel;
- iop_base = asc_dvc->iop_base;
+ channel = AscGetChipCfgLsw(iop_base) & 0x0003;
+ if (channel == 0x03)
+ return (0);
+ else if (channel == 0x00)
+ return (7);
+ return (channel + 4);
+}
- warn_code = 0;
+static ushort __devinit AscSetIsaDmaChannel(PortAddr iop_base, ushort dma_channel)
+{
+ ushort cfg_lsw;
+ uchar value;
- /*
- * Read the board's EEPROM configuration.
- *
- * Set default values if a bad checksum is found.
- */
- if (AdvGet3550EEPConfig(iop_base, &eep_config) != eep_config.check_sum) {
- warn_code |= ASC_WARN_EEPROM_CHKSUM;
+ if ((dma_channel >= 5) && (dma_channel <= 7)) {
+ if (dma_channel == 7)
+ value = 0x00;
+ else
+ value = dma_channel - 4;
+ cfg_lsw = AscGetChipCfgLsw(iop_base) & 0xFFFC;
+ cfg_lsw |= value;
+ AscSetChipCfgLsw(iop_base, cfg_lsw);
+ return (AscGetIsaDmaChannel(iop_base));
+ }
+ return 0;
+}
- /*
- * Set EEPROM default values.
- */
- memcpy(&eep_config, &Default_3550_EEPROM_Config,
- sizeof(ADVEEP_3550_CONFIG));
+static uchar __devinit AscGetIsaDmaSpeed(PortAddr iop_base)
+{
+ uchar speed_value;
- /*
- * Assume the 6 byte board serial number that was read from
- * EEPROM is correct even if the EEPROM checksum failed.
- */
- eep_config.serial_number_word3 =
- AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 1);
+ AscSetBank(iop_base, 1);
+ speed_value = AscReadChipDmaSpeed(iop_base);
+ speed_value &= 0x07;
+ AscSetBank(iop_base, 0);
+ return speed_value;
+}
- eep_config.serial_number_word2 =
- AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 2);
+static uchar __devinit AscSetIsaDmaSpeed(PortAddr iop_base, uchar speed_value)
+{
+ speed_value &= 0x07;
+ AscSetBank(iop_base, 1);
+ AscWriteChipDmaSpeed(iop_base, speed_value);
+ AscSetBank(iop_base, 0);
+ return AscGetIsaDmaSpeed(iop_base);
+}
+#endif /* CONFIG_ISA */
- eep_config.serial_number_word1 =
- AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 3);
+static ushort __devinit AscInitAscDvcVar(ASC_DVC_VAR *asc_dvc)
+{
+ int i;
+ PortAddr iop_base;
+ ushort warn_code;
+ uchar chip_version;
- AdvSet3550EEPConfig(iop_base, &eep_config);
+ iop_base = asc_dvc->iop_base;
+ warn_code = 0;
+ asc_dvc->err_code = 0;
+ if ((asc_dvc->bus_type &
+ (ASC_IS_ISA | ASC_IS_PCI | ASC_IS_EISA | ASC_IS_VL)) == 0) {
+ asc_dvc->err_code |= ASC_IERR_NO_BUS_TYPE;
}
- /*
- * Set ASC_DVC_VAR and ASC_DVC_CFG variables from the
- * EEPROM configuration that was read.
- *
- * This is the mapping of EEPROM fields to Adv Library fields.
- */
- asc_dvc->wdtr_able = eep_config.wdtr_able;
- asc_dvc->sdtr_able = eep_config.sdtr_able;
- asc_dvc->ultra_able = eep_config.ultra_able;
- asc_dvc->tagqng_able = eep_config.tagqng_able;
- asc_dvc->cfg->disc_enable = eep_config.disc_enable;
- asc_dvc->max_host_qng = eep_config.max_host_qng;
- asc_dvc->max_dvc_qng = eep_config.max_dvc_qng;
- asc_dvc->chip_scsi_id = (eep_config.adapter_scsi_id & ADV_MAX_TID);
- asc_dvc->start_motor = eep_config.start_motor;
- asc_dvc->scsi_reset_wait = eep_config.scsi_reset_delay;
- asc_dvc->bios_ctrl = eep_config.bios_ctrl;
- asc_dvc->no_scam = eep_config.scam_tolerant;
- asc_dvc->cfg->serial1 = eep_config.serial_number_word1;
- asc_dvc->cfg->serial2 = eep_config.serial_number_word2;
- asc_dvc->cfg->serial3 = eep_config.serial_number_word3;
-
- /*
- * Set the host maximum queuing (max. 253, min. 16) and the per device
- * maximum queuing (max. 63, min. 4).
- */
- if (eep_config.max_host_qng > ASC_DEF_MAX_HOST_QNG) {
- eep_config.max_host_qng = ASC_DEF_MAX_HOST_QNG;
- } else if (eep_config.max_host_qng < ASC_DEF_MIN_HOST_QNG) {
- /* If the value is zero, assume it is uninitialized. */
- if (eep_config.max_host_qng == 0) {
- eep_config.max_host_qng = ASC_DEF_MAX_HOST_QNG;
- } else {
- eep_config.max_host_qng = ASC_DEF_MIN_HOST_QNG;
+ AscSetChipControl(iop_base, CC_HALT);
+ AscSetChipStatus(iop_base, 0);
+ asc_dvc->bug_fix_cntl = 0;
+ asc_dvc->pci_fix_asyn_xfer = 0;
+ asc_dvc->pci_fix_asyn_xfer_always = 0;
+ /* asc_dvc->init_state initalized in AscInitGetConfig(). */
+ asc_dvc->sdtr_done = 0;
+ asc_dvc->cur_total_qng = 0;
+ asc_dvc->is_in_int = 0;
+ asc_dvc->in_critical_cnt = 0;
+ asc_dvc->last_q_shortage = 0;
+ asc_dvc->use_tagged_qng = 0;
+ asc_dvc->no_scam = 0;
+ asc_dvc->unit_not_ready = 0;
+ asc_dvc->queue_full_or_busy = 0;
+ asc_dvc->redo_scam = 0;
+ asc_dvc->res2 = 0;
+ asc_dvc->host_init_sdtr_index = 0;
+ asc_dvc->cfg->can_tagged_qng = 0;
+ asc_dvc->cfg->cmd_qng_enabled = 0;
+ asc_dvc->dvc_cntl = ASC_DEF_DVC_CNTL;
+ asc_dvc->init_sdtr = 0;
+ asc_dvc->max_total_qng = ASC_DEF_MAX_TOTAL_QNG;
+ asc_dvc->scsi_reset_wait = 3;
+ asc_dvc->start_motor = ASC_SCSI_WIDTH_BIT_SET;
+ asc_dvc->max_dma_count = AscGetMaxDmaCount(asc_dvc->bus_type);
+ asc_dvc->cfg->sdtr_enable = ASC_SCSI_WIDTH_BIT_SET;
+ asc_dvc->cfg->disc_enable = ASC_SCSI_WIDTH_BIT_SET;
+ asc_dvc->cfg->chip_scsi_id = ASC_DEF_CHIP_SCSI_ID;
+ asc_dvc->cfg->lib_serial_no = ASC_LIB_SERIAL_NUMBER;
+ asc_dvc->cfg->lib_version = (ASC_LIB_VERSION_MAJOR << 8) |
+ ASC_LIB_VERSION_MINOR;
+ chip_version = AscGetChipVersion(iop_base, asc_dvc->bus_type);
+ asc_dvc->cfg->chip_version = chip_version;
+ asc_dvc->sdtr_period_tbl[0] = SYN_XFER_NS_0;
+ asc_dvc->sdtr_period_tbl[1] = SYN_XFER_NS_1;
+ asc_dvc->sdtr_period_tbl[2] = SYN_XFER_NS_2;
+ asc_dvc->sdtr_period_tbl[3] = SYN_XFER_NS_3;
+ asc_dvc->sdtr_period_tbl[4] = SYN_XFER_NS_4;
+ asc_dvc->sdtr_period_tbl[5] = SYN_XFER_NS_5;
+ asc_dvc->sdtr_period_tbl[6] = SYN_XFER_NS_6;
+ asc_dvc->sdtr_period_tbl[7] = SYN_XFER_NS_7;
+ asc_dvc->max_sdtr_index = 7;
+ if ((asc_dvc->bus_type & ASC_IS_PCI) &&
+ (chip_version >= ASC_CHIP_VER_PCI_ULTRA_3150)) {
+ asc_dvc->bus_type = ASC_IS_PCI_ULTRA;
+ asc_dvc->sdtr_period_tbl[0] = SYN_ULTRA_XFER_NS_0;
+ asc_dvc->sdtr_period_tbl[1] = SYN_ULTRA_XFER_NS_1;
+ asc_dvc->sdtr_period_tbl[2] = SYN_ULTRA_XFER_NS_2;
+ asc_dvc->sdtr_period_tbl[3] = SYN_ULTRA_XFER_NS_3;
+ asc_dvc->sdtr_period_tbl[4] = SYN_ULTRA_XFER_NS_4;
+ asc_dvc->sdtr_period_tbl[5] = SYN_ULTRA_XFER_NS_5;
+ asc_dvc->sdtr_period_tbl[6] = SYN_ULTRA_XFER_NS_6;
+ asc_dvc->sdtr_period_tbl[7] = SYN_ULTRA_XFER_NS_7;
+ asc_dvc->sdtr_period_tbl[8] = SYN_ULTRA_XFER_NS_8;
+ asc_dvc->sdtr_period_tbl[9] = SYN_ULTRA_XFER_NS_9;
+ asc_dvc->sdtr_period_tbl[10] = SYN_ULTRA_XFER_NS_10;
+ asc_dvc->sdtr_period_tbl[11] = SYN_ULTRA_XFER_NS_11;
+ asc_dvc->sdtr_period_tbl[12] = SYN_ULTRA_XFER_NS_12;
+ asc_dvc->sdtr_period_tbl[13] = SYN_ULTRA_XFER_NS_13;
+ asc_dvc->sdtr_period_tbl[14] = SYN_ULTRA_XFER_NS_14;
+ asc_dvc->sdtr_period_tbl[15] = SYN_ULTRA_XFER_NS_15;
+ asc_dvc->max_sdtr_index = 15;
+ if (chip_version == ASC_CHIP_VER_PCI_ULTRA_3150) {
+ AscSetExtraControl(iop_base,
+ (SEC_ACTIVE_NEGATE | SEC_SLEW_RATE));
+ } else if (chip_version >= ASC_CHIP_VER_PCI_ULTRA_3050) {
+ AscSetExtraControl(iop_base,
+ (SEC_ACTIVE_NEGATE |
+ SEC_ENABLE_FILTER));
}
}
+ if (asc_dvc->bus_type == ASC_IS_PCI) {
+ AscSetExtraControl(iop_base,
+ (SEC_ACTIVE_NEGATE | SEC_SLEW_RATE));
+ }
- if (eep_config.max_dvc_qng > ASC_DEF_MAX_DVC_QNG) {
- eep_config.max_dvc_qng = ASC_DEF_MAX_DVC_QNG;
- } else if (eep_config.max_dvc_qng < ASC_DEF_MIN_DVC_QNG) {
- /* If the value is zero, assume it is uninitialized. */
- if (eep_config.max_dvc_qng == 0) {
- eep_config.max_dvc_qng = ASC_DEF_MAX_DVC_QNG;
- } else {
- eep_config.max_dvc_qng = ASC_DEF_MIN_DVC_QNG;
+ asc_dvc->cfg->isa_dma_speed = ASC_DEF_ISA_DMA_SPEED;
+#ifdef CONFIG_ISA
+ if ((asc_dvc->bus_type & ASC_IS_ISA) != 0) {
+ if (chip_version >= ASC_CHIP_MIN_VER_ISA_PNP) {
+ AscSetChipIFC(iop_base, IFC_INIT_DEFAULT);
+ asc_dvc->bus_type = ASC_IS_ISAPNP;
}
+ asc_dvc->cfg->isa_dma_channel =
+ (uchar)AscGetIsaDmaChannel(iop_base);
}
-
- /*
- * If 'max_dvc_qng' is greater than 'max_host_qng', then
- * set 'max_dvc_qng' to 'max_host_qng'.
- */
- if (eep_config.max_dvc_qng > eep_config.max_host_qng) {
- eep_config.max_dvc_qng = eep_config.max_host_qng;
+#endif /* CONFIG_ISA */
+ for (i = 0; i <= ASC_MAX_TID; i++) {
+ asc_dvc->cur_dvc_qng[i] = 0;
+ asc_dvc->max_dvc_qng[i] = ASC_MAX_SCSI1_QNG;
+ asc_dvc->scsiq_busy_head[i] = (ASC_SCSI_Q *)0L;
+ asc_dvc->scsiq_busy_tail[i] = (ASC_SCSI_Q *)0L;
+ asc_dvc->cfg->max_tag_qng[i] = ASC_MAX_INRAM_TAG_QNG;
}
+ return warn_code;
+}
- /*
- * Set ADV_DVC_VAR 'max_host_qng' and ADV_DVC_VAR 'max_dvc_qng'
- * values based on possibly adjusted EEPROM values.
- */
- asc_dvc->max_host_qng = eep_config.max_host_qng;
- asc_dvc->max_dvc_qng = eep_config.max_dvc_qng;
-
- /*
- * If the EEPROM 'termination' field is set to automatic (0), then set
- * the ADV_DVC_CFG 'termination' field to automatic also.
- *
- * If the termination is specified with a non-zero 'termination'
- * value check that a legal value is set and set the ADV_DVC_CFG
- * 'termination' field appropriately.
- */
- if (eep_config.termination == 0) {
- asc_dvc->cfg->termination = 0; /* auto termination */
- } else {
- /* Enable manual control with low off / high off. */
- if (eep_config.termination == 1) {
- asc_dvc->cfg->termination = TERM_CTL_SEL;
-
- /* Enable manual control with low off / high on. */
- } else if (eep_config.termination == 2) {
- asc_dvc->cfg->termination = TERM_CTL_SEL | TERM_CTL_H;
+static int __devinit AscWriteEEPCmdReg(PortAddr iop_base, uchar cmd_reg)
+{
+ int retry;
- /* Enable manual control with low on / high on. */
- } else if (eep_config.termination == 3) {
- asc_dvc->cfg->termination =
- TERM_CTL_SEL | TERM_CTL_H | TERM_CTL_L;
- } else {
- /*
- * The EEPROM 'termination' field contains a bad value. Use
- * automatic termination instead.
- */
- asc_dvc->cfg->termination = 0;
- warn_code |= ASC_WARN_EEPROM_TERMINATION;
- }
+ for (retry = 0; retry < ASC_EEP_MAX_RETRY; retry++) {
+ unsigned char read_back;
+ AscSetChipEEPCmd(iop_base, cmd_reg);
+ mdelay(1);
+ read_back = AscGetChipEEPCmd(iop_base);
+ if (read_back == cmd_reg)
+ return 1;
}
+ return 0;
+}
- return warn_code;
+static void __devinit AscWaitEEPRead(void)
+{
+ mdelay(1);
}
-/*
- * Read the board's EEPROM configuration. Set fields in ADV_DVC_VAR and
- * ADV_DVC_CFG based on the EEPROM settings. The chip is stopped while
- * all of this is done.
- *
- * On failure set the ADV_DVC_VAR field 'err_code' and return ADV_ERROR.
- *
- * For a non-fatal error return a warning code. If there are no warnings
- * then 0 is returned.
- *
- * Note: Chip is stopped on entry.
- */
-static int __devinit AdvInitFrom38C0800EEP(ADV_DVC_VAR *asc_dvc)
+static ushort __devinit AscReadEEPWord(PortAddr iop_base, uchar addr)
{
- AdvPortAddr iop_base;
- ushort warn_code;
- ADVEEP_38C0800_CONFIG eep_config;
- uchar tid, termination;
- ushort sdtr_speed = 0;
+ ushort read_wval;
+ uchar cmd_reg;
- iop_base = asc_dvc->iop_base;
+ AscWriteEEPCmdReg(iop_base, ASC_EEP_CMD_WRITE_DISABLE);
+ AscWaitEEPRead();
+ cmd_reg = addr | ASC_EEP_CMD_READ;
+ AscWriteEEPCmdReg(iop_base, cmd_reg);
+ AscWaitEEPRead();
+ read_wval = AscGetChipEEPData(iop_base);
+ AscWaitEEPRead();
+ return read_wval;
+}
- warn_code = 0;
+static ushort __devinit
+AscGetEEPConfig(PortAddr iop_base, ASCEEP_CONFIG *cfg_buf, ushort bus_type)
+{
+ ushort wval;
+ ushort sum;
+ ushort *wbuf;
+ int cfg_beg;
+ int cfg_end;
+ int uchar_end_in_config = ASC_EEP_MAX_DVC_ADDR - 2;
+ int s_addr;
+ wbuf = (ushort *)cfg_buf;
+ sum = 0;
+ /* Read two config words; Byte-swapping done by AscReadEEPWord(). */
+ for (s_addr = 0; s_addr < 2; s_addr++, wbuf++) {
+ *wbuf = AscReadEEPWord(iop_base, (uchar)s_addr);
+ sum += *wbuf;
+ }
+ if (bus_type & ASC_IS_VL) {
+ cfg_beg = ASC_EEP_DVC_CFG_BEG_VL;
+ cfg_end = ASC_EEP_MAX_DVC_ADDR_VL;
+ } else {
+ cfg_beg = ASC_EEP_DVC_CFG_BEG;
+ cfg_end = ASC_EEP_MAX_DVC_ADDR;
+ }
+ for (s_addr = cfg_beg; s_addr <= (cfg_end - 1); s_addr++, wbuf++) {
+ wval = AscReadEEPWord(iop_base, (uchar)s_addr);
+ if (s_addr <= uchar_end_in_config) {
+ /*
+ * Swap all char fields - must unswap bytes already swapped
+ * by AscReadEEPWord().
+ */
+ *wbuf = le16_to_cpu(wval);
+ } else {
+ /* Don't swap word field at the end - cntl field. */
+ *wbuf = wval;
+ }
+ sum += wval; /* Checksum treats all EEPROM data as words. */
+ }
/*
- * Read the board's EEPROM configuration.
- *
- * Set default values if a bad checksum is found.
+ * Read the checksum word which will be compared against 'sum'
+ * by the caller. Word field already swapped.
*/
- if (AdvGet38C0800EEPConfig(iop_base, &eep_config) !=
- eep_config.check_sum) {
- warn_code |= ASC_WARN_EEPROM_CHKSUM;
+ *wbuf = AscReadEEPWord(iop_base, (uchar)s_addr);
+ return sum;
+}
- /*
- * Set EEPROM default values.
- */
- memcpy(&eep_config, &Default_38C0800_EEPROM_Config,
- sizeof(ADVEEP_38C0800_CONFIG));
+static int __devinit AscTestExternalLram(ASC_DVC_VAR *asc_dvc)
+{
+ PortAddr iop_base;
+ ushort q_addr;
+ ushort saved_word;
+ int sta;
- /*
- * Assume the 6 byte board serial number that was read from
- * EEPROM is correct even if the EEPROM checksum failed.
- */
- eep_config.serial_number_word3 =
- AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 1);
+ iop_base = asc_dvc->iop_base;
+ sta = 0;
+ q_addr = ASC_QNO_TO_QADDR(241);
+ saved_word = AscReadLramWord(iop_base, q_addr);
+ AscSetChipLramAddr(iop_base, q_addr);
+ AscSetChipLramData(iop_base, 0x55AA);
+ mdelay(10);
+ AscSetChipLramAddr(iop_base, q_addr);
+ if (AscGetChipLramData(iop_base) == 0x55AA) {
+ sta = 1;
+ AscWriteLramWord(iop_base, q_addr, saved_word);
+ }
+ return (sta);
+}
- eep_config.serial_number_word2 =
- AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 2);
+static void __devinit AscWaitEEPWrite(void)
+{
+ mdelay(20);
+ return;
+}
- eep_config.serial_number_word1 =
- AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 3);
+static int __devinit AscWriteEEPDataReg(PortAddr iop_base, ushort data_reg)
+{
+ ushort read_back;
+ int retry;
- AdvSet38C0800EEPConfig(iop_base, &eep_config);
+ retry = 0;
+ while (TRUE) {
+ AscSetChipEEPData(iop_base, data_reg);
+ mdelay(1);
+ read_back = AscGetChipEEPData(iop_base);
+ if (read_back == data_reg) {
+ return (1);
+ }
+ if (retry++ > ASC_EEP_MAX_RETRY) {
+ return (0);
+ }
}
- /*
- * Set ADV_DVC_VAR and ADV_DVC_CFG variables from the
- * EEPROM configuration that was read.
- *
- * This is the mapping of EEPROM fields to Adv Library fields.
- */
- asc_dvc->wdtr_able = eep_config.wdtr_able;
- asc_dvc->sdtr_speed1 = eep_config.sdtr_speed1;
- asc_dvc->sdtr_speed2 = eep_config.sdtr_speed2;
- asc_dvc->sdtr_speed3 = eep_config.sdtr_speed3;
- asc_dvc->sdtr_speed4 = eep_config.sdtr_speed4;
- asc_dvc->tagqng_able = eep_config.tagqng_able;
- asc_dvc->cfg->disc_enable = eep_config.disc_enable;
- asc_dvc->max_host_qng = eep_config.max_host_qng;
- asc_dvc->max_dvc_qng = eep_config.max_dvc_qng;
- asc_dvc->chip_scsi_id = (eep_config.adapter_scsi_id & ADV_MAX_TID);
- asc_dvc->start_motor = eep_config.start_motor;
- asc_dvc->scsi_reset_wait = eep_config.scsi_reset_delay;
- asc_dvc->bios_ctrl = eep_config.bios_ctrl;
- asc_dvc->no_scam = eep_config.scam_tolerant;
- asc_dvc->cfg->serial1 = eep_config.serial_number_word1;
- asc_dvc->cfg->serial2 = eep_config.serial_number_word2;
- asc_dvc->cfg->serial3 = eep_config.serial_number_word3;
+}
- /*
- * For every Target ID if any of its 'sdtr_speed[1234]' bits
- * are set, then set an 'sdtr_able' bit for it.
- */
- asc_dvc->sdtr_able = 0;
- for (tid = 0; tid <= ADV_MAX_TID; tid++) {
- if (tid == 0) {
- sdtr_speed = asc_dvc->sdtr_speed1;
- } else if (tid == 4) {
- sdtr_speed = asc_dvc->sdtr_speed2;
- } else if (tid == 8) {
- sdtr_speed = asc_dvc->sdtr_speed3;
- } else if (tid == 12) {
- sdtr_speed = asc_dvc->sdtr_speed4;
+static ushort __devinit
+AscWriteEEPWord(PortAddr iop_base, uchar addr, ushort word_val)
+{
+ ushort read_wval;
+
+ read_wval = AscReadEEPWord(iop_base, addr);
+ if (read_wval != word_val) {
+ AscWriteEEPCmdReg(iop_base, ASC_EEP_CMD_WRITE_ABLE);
+ AscWaitEEPRead();
+ AscWriteEEPDataReg(iop_base, word_val);
+ AscWaitEEPRead();
+ AscWriteEEPCmdReg(iop_base,
+ (uchar)((uchar)ASC_EEP_CMD_WRITE | addr));
+ AscWaitEEPWrite();
+ AscWriteEEPCmdReg(iop_base, ASC_EEP_CMD_WRITE_DISABLE);
+ AscWaitEEPRead();
+ return (AscReadEEPWord(iop_base, addr));
+ }
+ return (read_wval);
+}
+
+static int __devinit
+AscSetEEPConfigOnce(PortAddr iop_base, ASCEEP_CONFIG *cfg_buf, ushort bus_type)
+{
+ int n_error;
+ ushort *wbuf;
+ ushort word;
+ ushort sum;
+ int s_addr;
+ int cfg_beg;
+ int cfg_end;
+ int uchar_end_in_config = ASC_EEP_MAX_DVC_ADDR - 2;
+
+ wbuf = (ushort *)cfg_buf;
+ n_error = 0;
+ sum = 0;
+ /* Write two config words; AscWriteEEPWord() will swap bytes. */
+ for (s_addr = 0; s_addr < 2; s_addr++, wbuf++) {
+ sum += *wbuf;
+ if (*wbuf != AscWriteEEPWord(iop_base, (uchar)s_addr, *wbuf)) {
+ n_error++;
}
- if (sdtr_speed & ADV_MAX_TID) {
- asc_dvc->sdtr_able |= (1 << tid);
+ }
+ if (bus_type & ASC_IS_VL) {
+ cfg_beg = ASC_EEP_DVC_CFG_BEG_VL;
+ cfg_end = ASC_EEP_MAX_DVC_ADDR_VL;
+ } else {
+ cfg_beg = ASC_EEP_DVC_CFG_BEG;
+ cfg_end = ASC_EEP_MAX_DVC_ADDR;
+ }
+ for (s_addr = cfg_beg; s_addr <= (cfg_end - 1); s_addr++, wbuf++) {
+ if (s_addr <= uchar_end_in_config) {
+ /*
+ * This is a char field. Swap char fields before they are
+ * swapped again by AscWriteEEPWord().
+ */
+ word = cpu_to_le16(*wbuf);
+ if (word !=
+ AscWriteEEPWord(iop_base, (uchar)s_addr, word)) {
+ n_error++;
+ }
+ } else {
+ /* Don't swap word field at the end - cntl field. */
+ if (*wbuf !=
+ AscWriteEEPWord(iop_base, (uchar)s_addr, *wbuf)) {
+ n_error++;
+ }
}
- sdtr_speed >>= 4;
+ sum += *wbuf; /* Checksum calculated from word values. */
+ }
+ /* Write checksum word. It will be swapped by AscWriteEEPWord(). */
+ *wbuf = sum;
+ if (sum != AscWriteEEPWord(iop_base, (uchar)s_addr, sum)) {
+ n_error++;
}
+ /* Read EEPROM back again. */
+ wbuf = (ushort *)cfg_buf;
/*
- * Set the host maximum queuing (max. 253, min. 16) and the per device
- * maximum queuing (max. 63, min. 4).
+ * Read two config words; Byte-swapping done by AscReadEEPWord().
*/
- if (eep_config.max_host_qng > ASC_DEF_MAX_HOST_QNG) {
- eep_config.max_host_qng = ASC_DEF_MAX_HOST_QNG;
- } else if (eep_config.max_host_qng < ASC_DEF_MIN_HOST_QNG) {
- /* If the value is zero, assume it is uninitialized. */
- if (eep_config.max_host_qng == 0) {
- eep_config.max_host_qng = ASC_DEF_MAX_HOST_QNG;
- } else {
- eep_config.max_host_qng = ASC_DEF_MIN_HOST_QNG;
+ for (s_addr = 0; s_addr < 2; s_addr++, wbuf++) {
+ if (*wbuf != AscReadEEPWord(iop_base, (uchar)s_addr)) {
+ n_error++;
}
}
-
- if (eep_config.max_dvc_qng > ASC_DEF_MAX_DVC_QNG) {
- eep_config.max_dvc_qng = ASC_DEF_MAX_DVC_QNG;
- } else if (eep_config.max_dvc_qng < ASC_DEF_MIN_DVC_QNG) {
- /* If the value is zero, assume it is uninitialized. */
- if (eep_config.max_dvc_qng == 0) {
- eep_config.max_dvc_qng = ASC_DEF_MAX_DVC_QNG;
+ if (bus_type & ASC_IS_VL) {
+ cfg_beg = ASC_EEP_DVC_CFG_BEG_VL;
+ cfg_end = ASC_EEP_MAX_DVC_ADDR_VL;
+ } else {
+ cfg_beg = ASC_EEP_DVC_CFG_BEG;
+ cfg_end = ASC_EEP_MAX_DVC_ADDR;
+ }
+ for (s_addr = cfg_beg; s_addr <= (cfg_end - 1); s_addr++, wbuf++) {
+ if (s_addr <= uchar_end_in_config) {
+ /*
+ * Swap all char fields. Must unswap bytes already swapped
+ * by AscReadEEPWord().
+ */
+ word =
+ le16_to_cpu(AscReadEEPWord
+ (iop_base, (uchar)s_addr));
} else {
- eep_config.max_dvc_qng = ASC_DEF_MIN_DVC_QNG;
+ /* Don't swap word field at the end - cntl field. */
+ word = AscReadEEPWord(iop_base, (uchar)s_addr);
+ }
+ if (*wbuf != word) {
+ n_error++;
}
}
-
- /*
- * If 'max_dvc_qng' is greater than 'max_host_qng', then
- * set 'max_dvc_qng' to 'max_host_qng'.
- */
- if (eep_config.max_dvc_qng > eep_config.max_host_qng) {
- eep_config.max_dvc_qng = eep_config.max_host_qng;
+ /* Read checksum; Byte swapping not needed. */
+ if (AscReadEEPWord(iop_base, (uchar)s_addr) != sum) {
+ n_error++;
}
+ return n_error;
+}
- /*
- * Set ADV_DVC_VAR 'max_host_qng' and ADV_DVC_VAR 'max_dvc_qng'
- * values based on possibly adjusted EEPROM values.
- */
- asc_dvc->max_host_qng = eep_config.max_host_qng;
- asc_dvc->max_dvc_qng = eep_config.max_dvc_qng;
+static int __devinit
+AscSetEEPConfig(PortAddr iop_base, ASCEEP_CONFIG *cfg_buf, ushort bus_type)
+{
+ int retry;
+ int n_error;
- /*
- * If the EEPROM 'termination' field is set to automatic (0), then set
- * the ADV_DVC_CFG 'termination' field to automatic also.
- *
- * If the termination is specified with a non-zero 'termination'
- * value check that a legal value is set and set the ADV_DVC_CFG
- * 'termination' field appropriately.
- */
- if (eep_config.termination_se == 0) {
- termination = 0; /* auto termination for SE */
- } else {
- /* Enable manual control with low off / high off. */
- if (eep_config.termination_se == 1) {
- termination = 0;
+ retry = 0;
+ while (TRUE) {
+ if ((n_error = AscSetEEPConfigOnce(iop_base, cfg_buf,
+ bus_type)) == 0) {
+ break;
+ }
+ if (++retry > ASC_EEP_MAX_RETRY) {
+ break;
+ }
+ }
+ return n_error;
+}
- /* Enable manual control with low off / high on. */
- } else if (eep_config.termination_se == 2) {
- termination = TERM_SE_HI;
+static ushort __devinit AscInitFromEEP(ASC_DVC_VAR *asc_dvc)
+{
+ ASCEEP_CONFIG eep_config_buf;
+ ASCEEP_CONFIG *eep_config;
+ PortAddr iop_base;
+ ushort chksum;
+ ushort warn_code;
+ ushort cfg_msw, cfg_lsw;
+ int i;
+ int write_eep = 0;
- /* Enable manual control with low on / high on. */
- } else if (eep_config.termination_se == 3) {
- termination = TERM_SE;
+ iop_base = asc_dvc->iop_base;
+ warn_code = 0;
+ AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0x00FE);
+ AscStopQueueExe(iop_base);
+ if ((AscStopChip(iop_base) == FALSE) ||
+ (AscGetChipScsiCtrl(iop_base) != 0)) {
+ asc_dvc->init_state |= ASC_INIT_RESET_SCSI_DONE;
+ AscResetChipAndScsiBus(asc_dvc);
+ mdelay(asc_dvc->scsi_reset_wait * 1000); /* XXX: msleep? */
+ }
+ if (AscIsChipHalted(iop_base) == FALSE) {
+ asc_dvc->err_code |= ASC_IERR_START_STOP_CHIP;
+ return (warn_code);
+ }
+ AscSetPCAddr(iop_base, ASC_MCODE_START_ADDR);
+ if (AscGetPCAddr(iop_base) != ASC_MCODE_START_ADDR) {
+ asc_dvc->err_code |= ASC_IERR_SET_PC_ADDR;
+ return (warn_code);
+ }
+ eep_config = (ASCEEP_CONFIG *)&eep_config_buf;
+ cfg_msw = AscGetChipCfgMsw(iop_base);
+ cfg_lsw = AscGetChipCfgLsw(iop_base);
+ if ((cfg_msw & ASC_CFG_MSW_CLR_MASK) != 0) {
+ cfg_msw &= ~ASC_CFG_MSW_CLR_MASK;
+ warn_code |= ASC_WARN_CFG_MSW_RECOVER;
+ AscSetChipCfgMsw(iop_base, cfg_msw);
+ }
+ chksum = AscGetEEPConfig(iop_base, eep_config, asc_dvc->bus_type);
+ ASC_DBG1(1, "AscInitFromEEP: chksum 0x%x\n", chksum);
+ if (chksum == 0) {
+ chksum = 0xaa55;
+ }
+ if (AscGetChipStatus(iop_base) & CSW_AUTO_CONFIG) {
+ warn_code |= ASC_WARN_AUTO_CONFIG;
+ if (asc_dvc->cfg->chip_version == 3) {
+ if (eep_config->cfg_lsw != cfg_lsw) {
+ warn_code |= ASC_WARN_EEPROM_RECOVER;
+ eep_config->cfg_lsw =
+ AscGetChipCfgLsw(iop_base);
+ }
+ if (eep_config->cfg_msw != cfg_msw) {
+ warn_code |= ASC_WARN_EEPROM_RECOVER;
+ eep_config->cfg_msw =
+ AscGetChipCfgMsw(iop_base);
+ }
+ }
+ }
+ eep_config->cfg_msw &= ~ASC_CFG_MSW_CLR_MASK;
+ eep_config->cfg_lsw |= ASC_CFG0_HOST_INT_ON;
+ ASC_DBG1(1, "AscInitFromEEP: eep_config->chksum 0x%x\n",
+ eep_config->chksum);
+ if (chksum != eep_config->chksum) {
+ if (AscGetChipVersion(iop_base, asc_dvc->bus_type) ==
+ ASC_CHIP_VER_PCI_ULTRA_3050) {
+ ASC_DBG(1,
+ "AscInitFromEEP: chksum error ignored; EEPROM-less board\n");
+ eep_config->init_sdtr = 0xFF;
+ eep_config->disc_enable = 0xFF;
+ eep_config->start_motor = 0xFF;
+ eep_config->use_cmd_qng = 0;
+ eep_config->max_total_qng = 0xF0;
+ eep_config->max_tag_qng = 0x20;
+ eep_config->cntl = 0xBFFF;
+ ASC_EEP_SET_CHIP_ID(eep_config, 7);
+ eep_config->no_scam = 0;
+ eep_config->adapter_info[0] = 0;
+ eep_config->adapter_info[1] = 0;
+ eep_config->adapter_info[2] = 0;
+ eep_config->adapter_info[3] = 0;
+ eep_config->adapter_info[4] = 0;
+ /* Indicate EEPROM-less board. */
+ eep_config->adapter_info[5] = 0xBB;
} else {
- /*
- * The EEPROM 'termination_se' field contains a bad value.
- * Use automatic termination instead.
- */
- termination = 0;
- warn_code |= ASC_WARN_EEPROM_TERMINATION;
+ ASC_PRINT
+ ("AscInitFromEEP: EEPROM checksum error; Will try to re-write EEPROM.\n");
+ write_eep = 1;
+ warn_code |= ASC_WARN_EEPROM_CHKSUM;
+ }
+ }
+ asc_dvc->cfg->sdtr_enable = eep_config->init_sdtr;
+ asc_dvc->cfg->disc_enable = eep_config->disc_enable;
+ asc_dvc->cfg->cmd_qng_enabled = eep_config->use_cmd_qng;
+ asc_dvc->cfg->isa_dma_speed = ASC_EEP_GET_DMA_SPD(eep_config);
+ asc_dvc->start_motor = eep_config->start_motor;
+ asc_dvc->dvc_cntl = eep_config->cntl;
+ asc_dvc->no_scam = eep_config->no_scam;
+ asc_dvc->cfg->adapter_info[0] = eep_config->adapter_info[0];
+ asc_dvc->cfg->adapter_info[1] = eep_config->adapter_info[1];
+ asc_dvc->cfg->adapter_info[2] = eep_config->adapter_info[2];
+ asc_dvc->cfg->adapter_info[3] = eep_config->adapter_info[3];
+ asc_dvc->cfg->adapter_info[4] = eep_config->adapter_info[4];
+ asc_dvc->cfg->adapter_info[5] = eep_config->adapter_info[5];
+ if (!AscTestExternalLram(asc_dvc)) {
+ if (((asc_dvc->bus_type & ASC_IS_PCI_ULTRA) ==
+ ASC_IS_PCI_ULTRA)) {
+ eep_config->max_total_qng =
+ ASC_MAX_PCI_ULTRA_INRAM_TOTAL_QNG;
+ eep_config->max_tag_qng =
+ ASC_MAX_PCI_ULTRA_INRAM_TAG_QNG;
+ } else {
+ eep_config->cfg_msw |= 0x0800;
+ cfg_msw |= 0x0800;
+ AscSetChipCfgMsw(iop_base, cfg_msw);
+ eep_config->max_total_qng = ASC_MAX_PCI_INRAM_TOTAL_QNG;
+ eep_config->max_tag_qng = ASC_MAX_INRAM_TAG_QNG;
}
+ } else {
+ }
+ if (eep_config->max_total_qng < ASC_MIN_TOTAL_QNG) {
+ eep_config->max_total_qng = ASC_MIN_TOTAL_QNG;
+ }
+ if (eep_config->max_total_qng > ASC_MAX_TOTAL_QNG) {
+ eep_config->max_total_qng = ASC_MAX_TOTAL_QNG;
+ }
+ if (eep_config->max_tag_qng > eep_config->max_total_qng) {
+ eep_config->max_tag_qng = eep_config->max_total_qng;
+ }
+ if (eep_config->max_tag_qng < ASC_MIN_TAG_Q_PER_DVC) {
+ eep_config->max_tag_qng = ASC_MIN_TAG_Q_PER_DVC;
+ }
+ asc_dvc->max_total_qng = eep_config->max_total_qng;
+ if ((eep_config->use_cmd_qng & eep_config->disc_enable) !=
+ eep_config->use_cmd_qng) {
+ eep_config->disc_enable = eep_config->use_cmd_qng;
+ warn_code |= ASC_WARN_CMD_QNG_CONFLICT;
+ }
+ if (asc_dvc->bus_type & (ASC_IS_ISA | ASC_IS_VL | ASC_IS_EISA)) {
+ asc_dvc->irq_no = AscGetChipIRQ(iop_base, asc_dvc->bus_type);
+ }
+ ASC_EEP_SET_CHIP_ID(eep_config,
+ ASC_EEP_GET_CHIP_ID(eep_config) & ASC_MAX_TID);
+ asc_dvc->cfg->chip_scsi_id = ASC_EEP_GET_CHIP_ID(eep_config);
+ if (((asc_dvc->bus_type & ASC_IS_PCI_ULTRA) == ASC_IS_PCI_ULTRA) &&
+ !(asc_dvc->dvc_cntl & ASC_CNTL_SDTR_ENABLE_ULTRA)) {
+ asc_dvc->host_init_sdtr_index = ASC_SDTR_ULTRA_PCI_10MB_INDEX;
}
- if (eep_config.termination_lvd == 0) {
- asc_dvc->cfg->termination = termination; /* auto termination for LVD */
- } else {
- /* Enable manual control with low off / high off. */
- if (eep_config.termination_lvd == 1) {
- asc_dvc->cfg->termination = termination;
-
- /* Enable manual control with low off / high on. */
- } else if (eep_config.termination_lvd == 2) {
- asc_dvc->cfg->termination = termination | TERM_LVD_HI;
-
- /* Enable manual control with low on / high on. */
- } else if (eep_config.termination_lvd == 3) {
- asc_dvc->cfg->termination = termination | TERM_LVD;
+ for (i = 0; i <= ASC_MAX_TID; i++) {
+ asc_dvc->dos_int13_table[i] = eep_config->dos_int13_table[i];
+ asc_dvc->cfg->max_tag_qng[i] = eep_config->max_tag_qng;
+ asc_dvc->cfg->sdtr_period_offset[i] =
+ (uchar)(ASC_DEF_SDTR_OFFSET |
+ (asc_dvc->host_init_sdtr_index << 4));
+ }
+ eep_config->cfg_msw = AscGetChipCfgMsw(iop_base);
+ if (write_eep) {
+ if ((i = AscSetEEPConfig(iop_base, eep_config,
+ asc_dvc->bus_type)) != 0) {
+ ASC_PRINT1
+ ("AscInitFromEEP: Failed to re-write EEPROM with %d errors.\n",
+ i);
} else {
- /*
- * The EEPROM 'termination_lvd' field contains a bad value.
- * Use automatic termination instead.
- */
- asc_dvc->cfg->termination = termination;
- warn_code |= ASC_WARN_EEPROM_TERMINATION;
+ ASC_PRINT
+ ("AscInitFromEEP: Successfully re-wrote EEPROM.\n");
}
}
-
- return warn_code;
+ return (warn_code);
}
-/*
- * Read the board's EEPROM configuration. Set fields in ASC_DVC_VAR and
- * ASC_DVC_CFG based on the EEPROM settings. The chip is stopped while
- * all of this is done.
- *
- * On failure set the ASC_DVC_VAR field 'err_code' and return ADV_ERROR.
- *
- * For a non-fatal error return a warning code. If there are no warnings
- * then 0 is returned.
- *
- * Note: Chip is stopped on entry.
- */
-static int __devinit AdvInitFrom38C1600EEP(ADV_DVC_VAR *asc_dvc)
+static int __devinit AscInitGetConfig(asc_board_t *boardp)
{
- AdvPortAddr iop_base;
- ushort warn_code;
- ADVEEP_38C1600_CONFIG eep_config;
- uchar tid, termination;
- ushort sdtr_speed = 0;
+ ASC_DVC_VAR *asc_dvc = &boardp->dvc_var.asc_dvc_var;
+ unsigned short warn_code = 0;
- iop_base = asc_dvc->iop_base;
+ asc_dvc->init_state = ASC_INIT_STATE_BEG_GET_CFG;
+ if (asc_dvc->err_code != 0)
+ return asc_dvc->err_code;
- warn_code = 0;
+ if (AscFindSignature(asc_dvc->iop_base)) {
+ warn_code |= AscInitAscDvcVar(asc_dvc);
+ warn_code |= AscInitFromEEP(asc_dvc);
+ asc_dvc->init_state |= ASC_INIT_STATE_END_GET_CFG;
+ if (asc_dvc->scsi_reset_wait > ASC_MAX_SCSI_RESET_WAIT)
+ asc_dvc->scsi_reset_wait = ASC_MAX_SCSI_RESET_WAIT;
+ } else {
+ asc_dvc->err_code = ASC_IERR_BAD_SIGNATURE;
+ }
- /*
- * Read the board's EEPROM configuration.
- *
- * Set default values if a bad checksum is found.
- */
- if (AdvGet38C1600EEPConfig(iop_base, &eep_config) !=
- eep_config.check_sum) {
- struct pci_dev *pdev = adv_dvc_to_pdev(asc_dvc);
- warn_code |= ASC_WARN_EEPROM_CHKSUM;
+ switch (warn_code) {
+ case 0: /* No error */
+ break;
+ case ASC_WARN_IO_PORT_ROTATE:
+ ASC_PRINT1("AscInitGetConfig: board %d: I/O port address "
+ "modified\n", boardp->id);
+ break;
+ case ASC_WARN_AUTO_CONFIG:
+ ASC_PRINT1("AscInitGetConfig: board %d: I/O port increment "
+ "switch enabled\n", boardp->id);
+ break;
+ case ASC_WARN_EEPROM_CHKSUM:
+ ASC_PRINT1("AscInitGetConfig: board %d: EEPROM checksum "
+ "error\n", boardp->id);
+ break;
+ case ASC_WARN_IRQ_MODIFIED:
+ ASC_PRINT1("AscInitGetConfig: board %d: IRQ modified\n",
+ boardp->id);
+ break;
+ case ASC_WARN_CMD_QNG_CONFLICT:
+ ASC_PRINT1("AscInitGetConfig: board %d: tag queuing enabled "
+ "w/o disconnects\n", boardp->id);
+ break;
+ default:
+ ASC_PRINT2("AscInitGetConfig: board %d: unknown warning: "
+ "0x%x\n", boardp->id, warn_code);
+ break;
+ }
- /*
- * Set EEPROM default values.
- */
- memcpy(&eep_config, &Default_38C1600_EEPROM_Config,
- sizeof(ADVEEP_38C1600_CONFIG));
+ if (asc_dvc->err_code != 0) {
+ ASC_PRINT3("AscInitGetConfig: board %d error: init_state 0x%x, "
+ "err_code 0x%x\n", boardp->id, asc_dvc->init_state,
+ asc_dvc->err_code);
+ }
- if (PCI_FUNC(pdev->devfn) != 0) {
- u8 ints;
- /*
- * Disable Bit 14 (BIOS_ENABLE) to fix SPARC Ultra 60
- * and old Mac system booting problem. The Expansion
- * ROM must be disabled in Function 1 for these systems
- */
- eep_config.cfg_lsw &= ~ADV_EEPROM_BIOS_ENABLE;
- /*
- * Clear the INTAB (bit 11) if the GPIO 0 input
- * indicates the Function 1 interrupt line is wired
- * to INTB.
- *
- * Set/Clear Bit 11 (INTAB) from the GPIO bit 0 input:
- * 1 - Function 1 interrupt line wired to INT A.
- * 0 - Function 1 interrupt line wired to INT B.
- *
- * Note: Function 0 is always wired to INTA.
- * Put all 5 GPIO bits in input mode and then read
- * their input values.
- */
- AdvWriteByteRegister(iop_base, IOPB_GPIO_CNTL, 0);
- ints = AdvReadByteRegister(iop_base, IOPB_GPIO_DATA);
- if ((ints & 0x01) == 0)
- eep_config.cfg_lsw &= ~ADV_EEPROM_INTAB;
- }
+ return asc_dvc->err_code;
+}
- /*
- * Assume the 6 byte board serial number that was read from
- * EEPROM is correct even if the EEPROM checksum failed.
- */
- eep_config.serial_number_word3 =
- AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 1);
- eep_config.serial_number_word2 =
- AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 2);
- eep_config.serial_number_word1 =
- AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 3);
+static int __devinit AscInitSetConfig(struct pci_dev *pdev, asc_board_t *boardp)
+{
+ ASC_DVC_VAR *asc_dvc = &boardp->dvc_var.asc_dvc_var;
+ PortAddr iop_base = asc_dvc->iop_base;
+ unsigned short cfg_msw;
+ unsigned short warn_code = 0;
- AdvSet38C1600EEPConfig(iop_base, &eep_config);
+ asc_dvc->init_state |= ASC_INIT_STATE_BEG_SET_CFG;
+ if (asc_dvc->err_code != 0)
+ return asc_dvc->err_code;
+ if (!AscFindSignature(asc_dvc->iop_base)) {
+ asc_dvc->err_code = ASC_IERR_BAD_SIGNATURE;
+ return asc_dvc->err_code;
}
- /*
- * Set ASC_DVC_VAR and ASC_DVC_CFG variables from the
- * EEPROM configuration that was read.
- *
- * This is the mapping of EEPROM fields to Adv Library fields.
- */
- asc_dvc->wdtr_able = eep_config.wdtr_able;
- asc_dvc->sdtr_speed1 = eep_config.sdtr_speed1;
- asc_dvc->sdtr_speed2 = eep_config.sdtr_speed2;
- asc_dvc->sdtr_speed3 = eep_config.sdtr_speed3;
- asc_dvc->sdtr_speed4 = eep_config.sdtr_speed4;
- asc_dvc->ppr_able = 0;
- asc_dvc->tagqng_able = eep_config.tagqng_able;
- asc_dvc->cfg->disc_enable = eep_config.disc_enable;
- asc_dvc->max_host_qng = eep_config.max_host_qng;
- asc_dvc->max_dvc_qng = eep_config.max_dvc_qng;
- asc_dvc->chip_scsi_id = (eep_config.adapter_scsi_id & ASC_MAX_TID);
- asc_dvc->start_motor = eep_config.start_motor;
- asc_dvc->scsi_reset_wait = eep_config.scsi_reset_delay;
- asc_dvc->bios_ctrl = eep_config.bios_ctrl;
- asc_dvc->no_scam = eep_config.scam_tolerant;
-
- /*
- * For every Target ID if any of its 'sdtr_speed[1234]' bits
- * are set, then set an 'sdtr_able' bit for it.
- */
- asc_dvc->sdtr_able = 0;
- for (tid = 0; tid <= ASC_MAX_TID; tid++) {
- if (tid == 0) {
- sdtr_speed = asc_dvc->sdtr_speed1;
- } else if (tid == 4) {
- sdtr_speed = asc_dvc->sdtr_speed2;
- } else if (tid == 8) {
- sdtr_speed = asc_dvc->sdtr_speed3;
- } else if (tid == 12) {
- sdtr_speed = asc_dvc->sdtr_speed4;
- }
- if (sdtr_speed & ASC_MAX_TID) {
- asc_dvc->sdtr_able |= (1 << tid);
+ cfg_msw = AscGetChipCfgMsw(iop_base);
+ if ((cfg_msw & ASC_CFG_MSW_CLR_MASK) != 0) {
+ cfg_msw &= ~ASC_CFG_MSW_CLR_MASK;
+ warn_code |= ASC_WARN_CFG_MSW_RECOVER;
+ AscSetChipCfgMsw(iop_base, cfg_msw);
+ }
+ if ((asc_dvc->cfg->cmd_qng_enabled & asc_dvc->cfg->disc_enable) !=
+ asc_dvc->cfg->cmd_qng_enabled) {
+ asc_dvc->cfg->disc_enable = asc_dvc->cfg->cmd_qng_enabled;
+ warn_code |= ASC_WARN_CMD_QNG_CONFLICT;
+ }
+ if (AscGetChipStatus(iop_base) & CSW_AUTO_CONFIG) {
+ warn_code |= ASC_WARN_AUTO_CONFIG;
+ }
+ if ((asc_dvc->bus_type & (ASC_IS_ISA | ASC_IS_VL)) != 0) {
+ if (AscSetChipIRQ(iop_base, asc_dvc->irq_no, asc_dvc->bus_type)
+ != asc_dvc->irq_no) {
+ asc_dvc->err_code |= ASC_IERR_SET_IRQ_NO;
}
- sdtr_speed >>= 4;
}
-
- /*
- * Set the host maximum queuing (max. 253, min. 16) and the per device
- * maximum queuing (max. 63, min. 4).
- */
- if (eep_config.max_host_qng > ASC_DEF_MAX_HOST_QNG) {
- eep_config.max_host_qng = ASC_DEF_MAX_HOST_QNG;
- } else if (eep_config.max_host_qng < ASC_DEF_MIN_HOST_QNG) {
- /* If the value is zero, assume it is uninitialized. */
- if (eep_config.max_host_qng == 0) {
- eep_config.max_host_qng = ASC_DEF_MAX_HOST_QNG;
+#ifdef CONFIG_PCI
+ if (asc_dvc->bus_type & ASC_IS_PCI) {
+ cfg_msw &= 0xFFC0;
+ AscSetChipCfgMsw(iop_base, cfg_msw);
+ if ((asc_dvc->bus_type & ASC_IS_PCI_ULTRA) == ASC_IS_PCI_ULTRA) {
} else {
- eep_config.max_host_qng = ASC_DEF_MIN_HOST_QNG;
+ if ((pdev->device == PCI_DEVICE_ID_ASP_1200A) ||
+ (pdev->device == PCI_DEVICE_ID_ASP_ABP940)) {
+ asc_dvc->bug_fix_cntl |= ASC_BUG_FIX_IF_NOT_DWB;
+ asc_dvc->bug_fix_cntl |=
+ ASC_BUG_FIX_ASYN_USE_SYN;
+ }
}
- }
-
- if (eep_config.max_dvc_qng > ASC_DEF_MAX_DVC_QNG) {
- eep_config.max_dvc_qng = ASC_DEF_MAX_DVC_QNG;
- } else if (eep_config.max_dvc_qng < ASC_DEF_MIN_DVC_QNG) {
- /* If the value is zero, assume it is uninitialized. */
- if (eep_config.max_dvc_qng == 0) {
- eep_config.max_dvc_qng = ASC_DEF_MAX_DVC_QNG;
- } else {
- eep_config.max_dvc_qng = ASC_DEF_MIN_DVC_QNG;
+ } else
+#endif /* CONFIG_PCI */
+ if (asc_dvc->bus_type == ASC_IS_ISAPNP) {
+ if (AscGetChipVersion(iop_base, asc_dvc->bus_type)
+ == ASC_CHIP_VER_ASYN_BUG) {
+ asc_dvc->bug_fix_cntl |= ASC_BUG_FIX_ASYN_USE_SYN;
}
}
+ if (AscSetChipScsiID(iop_base, asc_dvc->cfg->chip_scsi_id) !=
+ asc_dvc->cfg->chip_scsi_id) {
+ asc_dvc->err_code |= ASC_IERR_SET_SCSI_ID;
+ }
+#ifdef CONFIG_ISA
+ if (asc_dvc->bus_type & ASC_IS_ISA) {
+ AscSetIsaDmaChannel(iop_base, asc_dvc->cfg->isa_dma_channel);
+ AscSetIsaDmaSpeed(iop_base, asc_dvc->cfg->isa_dma_speed);
+ }
+#endif /* CONFIG_ISA */
- /*
- * If 'max_dvc_qng' is greater than 'max_host_qng', then
- * set 'max_dvc_qng' to 'max_host_qng'.
- */
- if (eep_config.max_dvc_qng > eep_config.max_host_qng) {
- eep_config.max_dvc_qng = eep_config.max_host_qng;
+ asc_dvc->init_state |= ASC_INIT_STATE_END_SET_CFG;
+
+ switch (warn_code) {
+ case 0: /* No error. */
+ break;
+ case ASC_WARN_IO_PORT_ROTATE:
+ ASC_PRINT1("AscInitSetConfig: board %d: I/O port address "
+ "modified\n", boardp->id);
+ break;
+ case ASC_WARN_AUTO_CONFIG:
+ ASC_PRINT1("AscInitSetConfig: board %d: I/O port increment "
+ "switch enabled\n", boardp->id);
+ break;
+ case ASC_WARN_EEPROM_CHKSUM:
+ ASC_PRINT1("AscInitSetConfig: board %d: EEPROM checksum "
+ "error\n", boardp->id);
+ break;
+ case ASC_WARN_IRQ_MODIFIED:
+ ASC_PRINT1("AscInitSetConfig: board %d: IRQ modified\n",
+ boardp->id);
+ break;
+ case ASC_WARN_CMD_QNG_CONFLICT:
+ ASC_PRINT1("AscInitSetConfig: board %d: tag queuing w/o "
+ "disconnects\n",
+ boardp->id);
+ break;
+ default:
+ ASC_PRINT2("AscInitSetConfig: board %d: unknown warning: "
+ "0x%x\n", boardp->id, warn_code);
+ break;
}
- /*
- * Set ASC_DVC_VAR 'max_host_qng' and ASC_DVC_VAR 'max_dvc_qng'
- * values based on possibly adjusted EEPROM values.
- */
- asc_dvc->max_host_qng = eep_config.max_host_qng;
- asc_dvc->max_dvc_qng = eep_config.max_dvc_qng;
+ if (asc_dvc->err_code != 0) {
+ ASC_PRINT3("AscInitSetConfig: board %d error: init_state 0x%x, "
+ "err_code 0x%x\n", boardp->id, asc_dvc->init_state,
+ asc_dvc->err_code);
+ }
- /*
- * If the EEPROM 'termination' field is set to automatic (0), then set
- * the ASC_DVC_CFG 'termination' field to automatic also.
- *
- * If the termination is specified with a non-zero 'termination'
- * value check that a legal value is set and set the ASC_DVC_CFG
- * 'termination' field appropriately.
- */
- if (eep_config.termination_se == 0) {
- termination = 0; /* auto termination for SE */
- } else {
- /* Enable manual control with low off / high off. */
- if (eep_config.termination_se == 1) {
- termination = 0;
+ return asc_dvc->err_code;
+}
- /* Enable manual control with low off / high on. */
- } else if (eep_config.termination_se == 2) {
- termination = TERM_SE_HI;
+/*
+ * EEPROM Configuration.
+ *
+ * All drivers should use this structure to set the default EEPROM
+ * configuration. The BIOS now uses this structure when it is built.
+ * Additional structure information can be found in a_condor.h where
+ * the structure is defined.
+ *
+ * The *_Field_IsChar structs are needed to correct for endianness.
+ * These values are read from the board 16 bits at a time directly
+ * into the structs. Because some fields are char, the values will be
+ * in the wrong order. The *_Field_IsChar tells when to flip the
+ * bytes. Data read and written to PCI memory is automatically swapped
+ * on big-endian platforms so char fields read as words are actually being
+ * unswapped on big-endian platforms.
+ */
+static ADVEEP_3550_CONFIG Default_3550_EEPROM_Config __devinitdata = {
+ ADV_EEPROM_BIOS_ENABLE, /* cfg_lsw */
+ 0x0000, /* cfg_msw */
+ 0xFFFF, /* disc_enable */
+ 0xFFFF, /* wdtr_able */
+ 0xFFFF, /* sdtr_able */
+ 0xFFFF, /* start_motor */
+ 0xFFFF, /* tagqng_able */
+ 0xFFFF, /* bios_scan */
+ 0, /* scam_tolerant */
+ 7, /* adapter_scsi_id */
+ 0, /* bios_boot_delay */
+ 3, /* scsi_reset_delay */
+ 0, /* bios_id_lun */
+ 0, /* termination */
+ 0, /* reserved1 */
+ 0xFFE7, /* bios_ctrl */
+ 0xFFFF, /* ultra_able */
+ 0, /* reserved2 */
+ ASC_DEF_MAX_HOST_QNG, /* max_host_qng */
+ ASC_DEF_MAX_DVC_QNG, /* max_dvc_qng */
+ 0, /* dvc_cntl */
+ 0, /* bug_fix */
+ 0, /* serial_number_word1 */
+ 0, /* serial_number_word2 */
+ 0, /* serial_number_word3 */
+ 0, /* check_sum */
+ {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
+ , /* oem_name[16] */
+ 0, /* dvc_err_code */
+ 0, /* adv_err_code */
+ 0, /* adv_err_addr */
+ 0, /* saved_dvc_err_code */
+ 0, /* saved_adv_err_code */
+ 0, /* saved_adv_err_addr */
+ 0 /* num_of_err */
+};
- /* Enable manual control with low on / high on. */
- } else if (eep_config.termination_se == 3) {
- termination = TERM_SE;
- } else {
- /*
- * The EEPROM 'termination_se' field contains a bad value.
- * Use automatic termination instead.
- */
- termination = 0;
- warn_code |= ASC_WARN_EEPROM_TERMINATION;
- }
- }
+static ADVEEP_3550_CONFIG ADVEEP_3550_Config_Field_IsChar __devinitdata = {
+ 0, /* cfg_lsw */
+ 0, /* cfg_msw */
+ 0, /* -disc_enable */
+ 0, /* wdtr_able */
+ 0, /* sdtr_able */
+ 0, /* start_motor */
+ 0, /* tagqng_able */
+ 0, /* bios_scan */
+ 0, /* scam_tolerant */
+ 1, /* adapter_scsi_id */
+ 1, /* bios_boot_delay */
+ 1, /* scsi_reset_delay */
+ 1, /* bios_id_lun */
+ 1, /* termination */
+ 1, /* reserved1 */
+ 0, /* bios_ctrl */
+ 0, /* ultra_able */
+ 0, /* reserved2 */
+ 1, /* max_host_qng */
+ 1, /* max_dvc_qng */
+ 0, /* dvc_cntl */
+ 0, /* bug_fix */
+ 0, /* serial_number_word1 */
+ 0, /* serial_number_word2 */
+ 0, /* serial_number_word3 */
+ 0, /* check_sum */
+ {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}
+ , /* oem_name[16] */
+ 0, /* dvc_err_code */
+ 0, /* adv_err_code */
+ 0, /* adv_err_addr */
+ 0, /* saved_dvc_err_code */
+ 0, /* saved_adv_err_code */
+ 0, /* saved_adv_err_addr */
+ 0 /* num_of_err */
+};
- if (eep_config.termination_lvd == 0) {
- asc_dvc->cfg->termination = termination; /* auto termination for LVD */
- } else {
- /* Enable manual control with low off / high off. */
- if (eep_config.termination_lvd == 1) {
- asc_dvc->cfg->termination = termination;
+static ADVEEP_38C0800_CONFIG Default_38C0800_EEPROM_Config __devinitdata = {
+ ADV_EEPROM_BIOS_ENABLE, /* 00 cfg_lsw */
+ 0x0000, /* 01 cfg_msw */
+ 0xFFFF, /* 02 disc_enable */
+ 0xFFFF, /* 03 wdtr_able */
+ 0x4444, /* 04 sdtr_speed1 */
+ 0xFFFF, /* 05 start_motor */
+ 0xFFFF, /* 06 tagqng_able */
+ 0xFFFF, /* 07 bios_scan */
+ 0, /* 08 scam_tolerant */
+ 7, /* 09 adapter_scsi_id */
+ 0, /* bios_boot_delay */
+ 3, /* 10 scsi_reset_delay */
+ 0, /* bios_id_lun */
+ 0, /* 11 termination_se */
+ 0, /* termination_lvd */
+ 0xFFE7, /* 12 bios_ctrl */
+ 0x4444, /* 13 sdtr_speed2 */
+ 0x4444, /* 14 sdtr_speed3 */
+ ASC_DEF_MAX_HOST_QNG, /* 15 max_host_qng */
+ ASC_DEF_MAX_DVC_QNG, /* max_dvc_qng */
+ 0, /* 16 dvc_cntl */
+ 0x4444, /* 17 sdtr_speed4 */
+ 0, /* 18 serial_number_word1 */
+ 0, /* 19 serial_number_word2 */
+ 0, /* 20 serial_number_word3 */
+ 0, /* 21 check_sum */
+ {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
+ , /* 22-29 oem_name[16] */
+ 0, /* 30 dvc_err_code */
+ 0, /* 31 adv_err_code */
+ 0, /* 32 adv_err_addr */
+ 0, /* 33 saved_dvc_err_code */
+ 0, /* 34 saved_adv_err_code */
+ 0, /* 35 saved_adv_err_addr */
+ 0, /* 36 reserved */
+ 0, /* 37 reserved */
+ 0, /* 38 reserved */
+ 0, /* 39 reserved */
+ 0, /* 40 reserved */
+ 0, /* 41 reserved */
+ 0, /* 42 reserved */
+ 0, /* 43 reserved */
+ 0, /* 44 reserved */
+ 0, /* 45 reserved */
+ 0, /* 46 reserved */
+ 0, /* 47 reserved */
+ 0, /* 48 reserved */
+ 0, /* 49 reserved */
+ 0, /* 50 reserved */
+ 0, /* 51 reserved */
+ 0, /* 52 reserved */
+ 0, /* 53 reserved */
+ 0, /* 54 reserved */
+ 0, /* 55 reserved */
+ 0, /* 56 cisptr_lsw */
+ 0, /* 57 cisprt_msw */
+ PCI_VENDOR_ID_ASP, /* 58 subsysvid */
+ PCI_DEVICE_ID_38C0800_REV1, /* 59 subsysid */
+ 0, /* 60 reserved */
+ 0, /* 61 reserved */
+ 0, /* 62 reserved */
+ 0 /* 63 reserved */
+};
- /* Enable manual control with low off / high on. */
- } else if (eep_config.termination_lvd == 2) {
- asc_dvc->cfg->termination = termination | TERM_LVD_HI;
+static ADVEEP_38C0800_CONFIG ADVEEP_38C0800_Config_Field_IsChar __devinitdata = {
+ 0, /* 00 cfg_lsw */
+ 0, /* 01 cfg_msw */
+ 0, /* 02 disc_enable */
+ 0, /* 03 wdtr_able */
+ 0, /* 04 sdtr_speed1 */
+ 0, /* 05 start_motor */
+ 0, /* 06 tagqng_able */
+ 0, /* 07 bios_scan */
+ 0, /* 08 scam_tolerant */
+ 1, /* 09 adapter_scsi_id */
+ 1, /* bios_boot_delay */
+ 1, /* 10 scsi_reset_delay */
+ 1, /* bios_id_lun */
+ 1, /* 11 termination_se */
+ 1, /* termination_lvd */
+ 0, /* 12 bios_ctrl */
+ 0, /* 13 sdtr_speed2 */
+ 0, /* 14 sdtr_speed3 */
+ 1, /* 15 max_host_qng */
+ 1, /* max_dvc_qng */
+ 0, /* 16 dvc_cntl */
+ 0, /* 17 sdtr_speed4 */
+ 0, /* 18 serial_number_word1 */
+ 0, /* 19 serial_number_word2 */
+ 0, /* 20 serial_number_word3 */
+ 0, /* 21 check_sum */
+ {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}
+ , /* 22-29 oem_name[16] */
+ 0, /* 30 dvc_err_code */
+ 0, /* 31 adv_err_code */
+ 0, /* 32 adv_err_addr */
+ 0, /* 33 saved_dvc_err_code */
+ 0, /* 34 saved_adv_err_code */
+ 0, /* 35 saved_adv_err_addr */
+ 0, /* 36 reserved */
+ 0, /* 37 reserved */
+ 0, /* 38 reserved */
+ 0, /* 39 reserved */
+ 0, /* 40 reserved */
+ 0, /* 41 reserved */
+ 0, /* 42 reserved */
+ 0, /* 43 reserved */
+ 0, /* 44 reserved */
+ 0, /* 45 reserved */
+ 0, /* 46 reserved */
+ 0, /* 47 reserved */
+ 0, /* 48 reserved */
+ 0, /* 49 reserved */
+ 0, /* 50 reserved */
+ 0, /* 51 reserved */
+ 0, /* 52 reserved */
+ 0, /* 53 reserved */
+ 0, /* 54 reserved */
+ 0, /* 55 reserved */
+ 0, /* 56 cisptr_lsw */
+ 0, /* 57 cisprt_msw */
+ 0, /* 58 subsysvid */
+ 0, /* 59 subsysid */
+ 0, /* 60 reserved */
+ 0, /* 61 reserved */
+ 0, /* 62 reserved */
+ 0 /* 63 reserved */
+};
- /* Enable manual control with low on / high on. */
- } else if (eep_config.termination_lvd == 3) {
- asc_dvc->cfg->termination = termination | TERM_LVD;
- } else {
- /*
- * The EEPROM 'termination_lvd' field contains a bad value.
- * Use automatic termination instead.
- */
- asc_dvc->cfg->termination = termination;
- warn_code |= ASC_WARN_EEPROM_TERMINATION;
- }
- }
+static ADVEEP_38C1600_CONFIG Default_38C1600_EEPROM_Config __devinitdata = {
+ ADV_EEPROM_BIOS_ENABLE, /* 00 cfg_lsw */
+ 0x0000, /* 01 cfg_msw */
+ 0xFFFF, /* 02 disc_enable */
+ 0xFFFF, /* 03 wdtr_able */
+ 0x5555, /* 04 sdtr_speed1 */
+ 0xFFFF, /* 05 start_motor */
+ 0xFFFF, /* 06 tagqng_able */
+ 0xFFFF, /* 07 bios_scan */
+ 0, /* 08 scam_tolerant */
+ 7, /* 09 adapter_scsi_id */
+ 0, /* bios_boot_delay */
+ 3, /* 10 scsi_reset_delay */
+ 0, /* bios_id_lun */
+ 0, /* 11 termination_se */
+ 0, /* termination_lvd */
+ 0xFFE7, /* 12 bios_ctrl */
+ 0x5555, /* 13 sdtr_speed2 */
+ 0x5555, /* 14 sdtr_speed3 */
+ ASC_DEF_MAX_HOST_QNG, /* 15 max_host_qng */
+ ASC_DEF_MAX_DVC_QNG, /* max_dvc_qng */
+ 0, /* 16 dvc_cntl */
+ 0x5555, /* 17 sdtr_speed4 */
+ 0, /* 18 serial_number_word1 */
+ 0, /* 19 serial_number_word2 */
+ 0, /* 20 serial_number_word3 */
+ 0, /* 21 check_sum */
+ {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
+ , /* 22-29 oem_name[16] */
+ 0, /* 30 dvc_err_code */
+ 0, /* 31 adv_err_code */
+ 0, /* 32 adv_err_addr */
+ 0, /* 33 saved_dvc_err_code */
+ 0, /* 34 saved_adv_err_code */
+ 0, /* 35 saved_adv_err_addr */
+ 0, /* 36 reserved */
+ 0, /* 37 reserved */
+ 0, /* 38 reserved */
+ 0, /* 39 reserved */
+ 0, /* 40 reserved */
+ 0, /* 41 reserved */
+ 0, /* 42 reserved */
+ 0, /* 43 reserved */
+ 0, /* 44 reserved */
+ 0, /* 45 reserved */
+ 0, /* 46 reserved */
+ 0, /* 47 reserved */
+ 0, /* 48 reserved */
+ 0, /* 49 reserved */
+ 0, /* 50 reserved */
+ 0, /* 51 reserved */
+ 0, /* 52 reserved */
+ 0, /* 53 reserved */
+ 0, /* 54 reserved */
+ 0, /* 55 reserved */
+ 0, /* 56 cisptr_lsw */
+ 0, /* 57 cisprt_msw */
+ PCI_VENDOR_ID_ASP, /* 58 subsysvid */
+ PCI_DEVICE_ID_38C1600_REV1, /* 59 subsysid */
+ 0, /* 60 reserved */
+ 0, /* 61 reserved */
+ 0, /* 62 reserved */
+ 0 /* 63 reserved */
+};
- return warn_code;
-}
+static ADVEEP_38C1600_CONFIG ADVEEP_38C1600_Config_Field_IsChar __devinitdata = {
+ 0, /* 00 cfg_lsw */
+ 0, /* 01 cfg_msw */
+ 0, /* 02 disc_enable */
+ 0, /* 03 wdtr_able */
+ 0, /* 04 sdtr_speed1 */
+ 0, /* 05 start_motor */
+ 0, /* 06 tagqng_able */
+ 0, /* 07 bios_scan */
+ 0, /* 08 scam_tolerant */
+ 1, /* 09 adapter_scsi_id */
+ 1, /* bios_boot_delay */
+ 1, /* 10 scsi_reset_delay */
+ 1, /* bios_id_lun */
+ 1, /* 11 termination_se */
+ 1, /* termination_lvd */
+ 0, /* 12 bios_ctrl */
+ 0, /* 13 sdtr_speed2 */
+ 0, /* 14 sdtr_speed3 */
+ 1, /* 15 max_host_qng */
+ 1, /* max_dvc_qng */
+ 0, /* 16 dvc_cntl */
+ 0, /* 17 sdtr_speed4 */
+ 0, /* 18 serial_number_word1 */
+ 0, /* 19 serial_number_word2 */
+ 0, /* 20 serial_number_word3 */
+ 0, /* 21 check_sum */
+ {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}
+ , /* 22-29 oem_name[16] */
+ 0, /* 30 dvc_err_code */
+ 0, /* 31 adv_err_code */
+ 0, /* 32 adv_err_addr */
+ 0, /* 33 saved_dvc_err_code */
+ 0, /* 34 saved_adv_err_code */
+ 0, /* 35 saved_adv_err_addr */
+ 0, /* 36 reserved */
+ 0, /* 37 reserved */
+ 0, /* 38 reserved */
+ 0, /* 39 reserved */
+ 0, /* 40 reserved */
+ 0, /* 41 reserved */
+ 0, /* 42 reserved */
+ 0, /* 43 reserved */
+ 0, /* 44 reserved */
+ 0, /* 45 reserved */
+ 0, /* 46 reserved */
+ 0, /* 47 reserved */
+ 0, /* 48 reserved */
+ 0, /* 49 reserved */
+ 0, /* 50 reserved */
+ 0, /* 51 reserved */
+ 0, /* 52 reserved */
+ 0, /* 53 reserved */
+ 0, /* 54 reserved */
+ 0, /* 55 reserved */
+ 0, /* 56 cisptr_lsw */
+ 0, /* 57 cisprt_msw */
+ 0, /* 58 subsysvid */
+ 0, /* 59 subsysid */
+ 0, /* 60 reserved */
+ 0, /* 61 reserved */
+ 0, /* 62 reserved */
+ 0 /* 63 reserved */
+};
+#ifdef CONFIG_PCI
/*
- * Read EEPROM configuration into the specified buffer.
- *
- * Return a checksum based on the EEPROM configuration read.
+ * Wait for EEPROM command to complete
*/
-static ushort __devinit
-AdvGet3550EEPConfig(AdvPortAddr iop_base, ADVEEP_3550_CONFIG *cfg_buf)
+static void __devinit AdvWaitEEPCmd(AdvPortAddr iop_base)
{
- ushort wval, chksum;
- ushort *wbuf;
- int eep_addr;
- ushort *charfields;
-
- charfields = (ushort *)&ADVEEP_3550_Config_Field_IsChar;
- wbuf = (ushort *)cfg_buf;
- chksum = 0;
-
- for (eep_addr = ADV_EEP_DVC_CFG_BEGIN;
- eep_addr < ADV_EEP_DVC_CFG_END; eep_addr++, wbuf++) {
- wval = AdvReadEEPWord(iop_base, eep_addr);
- chksum += wval; /* Checksum is calculated from word values. */
- if (*charfields++) {
- *wbuf = le16_to_cpu(wval);
- } else {
- *wbuf = wval;
- }
- }
- /* Read checksum word. */
- *wbuf = AdvReadEEPWord(iop_base, eep_addr);
- wbuf++;
- charfields++;
+ int eep_delay_ms;
- /* Read rest of EEPROM not covered by the checksum. */
- for (eep_addr = ADV_EEP_DVC_CTL_BEGIN;
- eep_addr < ADV_EEP_MAX_WORD_ADDR; eep_addr++, wbuf++) {
- *wbuf = AdvReadEEPWord(iop_base, eep_addr);
- if (*charfields++) {
- *wbuf = le16_to_cpu(*wbuf);
+ for (eep_delay_ms = 0; eep_delay_ms < ADV_EEP_DELAY_MS; eep_delay_ms++) {
+ if (AdvReadWordRegister(iop_base, IOPW_EE_CMD) &
+ ASC_EEP_CMD_DONE) {
+ break;
}
+ mdelay(1);
}
- return chksum;
+ if ((AdvReadWordRegister(iop_base, IOPW_EE_CMD) & ASC_EEP_CMD_DONE) ==
+ 0)
+ BUG();
}
/*
- * Read EEPROM configuration into the specified buffer.
- *
- * Return a checksum based on the EEPROM configuration read.
+ * Read the EEPROM from specified location
*/
-static ushort __devinit
-AdvGet38C0800EEPConfig(AdvPortAddr iop_base, ADVEEP_38C0800_CONFIG *cfg_buf)
+static ushort __devinit AdvReadEEPWord(AdvPortAddr iop_base, int eep_word_addr)
+{
+ AdvWriteWordRegister(iop_base, IOPW_EE_CMD,
+ ASC_EEP_CMD_READ | eep_word_addr);
+ AdvWaitEEPCmd(iop_base);
+ return AdvReadWordRegister(iop_base, IOPW_EE_DATA);
+}
+
+/*
+ * Write the EEPROM from 'cfg_buf'.
+ */
+void __devinit
+AdvSet3550EEPConfig(AdvPortAddr iop_base, ADVEEP_3550_CONFIG *cfg_buf)
{
- ushort wval, chksum;
ushort *wbuf;
- int eep_addr;
+ ushort addr, chksum;
ushort *charfields;
- charfields = (ushort *)&ADVEEP_38C0800_Config_Field_IsChar;
wbuf = (ushort *)cfg_buf;
+ charfields = (ushort *)&ADVEEP_3550_Config_Field_IsChar;
chksum = 0;
- for (eep_addr = ADV_EEP_DVC_CFG_BEGIN;
- eep_addr < ADV_EEP_DVC_CFG_END; eep_addr++, wbuf++) {
- wval = AdvReadEEPWord(iop_base, eep_addr);
- chksum += wval; /* Checksum is calculated from word values. */
+ AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE_ABLE);
+ AdvWaitEEPCmd(iop_base);
+
+ /*
+ * Write EEPROM from word 0 to word 20.
+ */
+ for (addr = ADV_EEP_DVC_CFG_BEGIN;
+ addr < ADV_EEP_DVC_CFG_END; addr++, wbuf++) {
+ ushort word;
+
if (*charfields++) {
- *wbuf = le16_to_cpu(wval);
+ word = cpu_to_le16(*wbuf);
} else {
- *wbuf = wval;
+ word = *wbuf;
}
+ chksum += *wbuf; /* Checksum is calculated from word values. */
+ AdvWriteWordRegister(iop_base, IOPW_EE_DATA, word);
+ AdvWriteWordRegister(iop_base, IOPW_EE_CMD,
+ ASC_EEP_CMD_WRITE | addr);
+ AdvWaitEEPCmd(iop_base);
+ mdelay(ADV_EEP_DELAY_MS);
}
- /* Read checksum word. */
- *wbuf = AdvReadEEPWord(iop_base, eep_addr);
+
+ /*
+ * Write EEPROM checksum at word 21.
+ */
+ AdvWriteWordRegister(iop_base, IOPW_EE_DATA, chksum);
+ AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE | addr);
+ AdvWaitEEPCmd(iop_base);
wbuf++;
charfields++;
- /* Read rest of EEPROM not covered by the checksum. */
- for (eep_addr = ADV_EEP_DVC_CTL_BEGIN;
- eep_addr < ADV_EEP_MAX_WORD_ADDR; eep_addr++, wbuf++) {
- *wbuf = AdvReadEEPWord(iop_base, eep_addr);
+ /*
+ * Write EEPROM OEM name at words 22 to 29.
+ */
+ for (addr = ADV_EEP_DVC_CTL_BEGIN;
+ addr < ADV_EEP_MAX_WORD_ADDR; addr++, wbuf++) {
+ ushort word;
+
if (*charfields++) {
- *wbuf = le16_to_cpu(*wbuf);
+ word = cpu_to_le16(*wbuf);
+ } else {
+ word = *wbuf;
}
+ AdvWriteWordRegister(iop_base, IOPW_EE_DATA, word);
+ AdvWriteWordRegister(iop_base, IOPW_EE_CMD,
+ ASC_EEP_CMD_WRITE | addr);
+ AdvWaitEEPCmd(iop_base);
}
- return chksum;
+ AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE_DISABLE);
+ AdvWaitEEPCmd(iop_base);
}
/*
- * Read EEPROM configuration into the specified buffer.
- *
- * Return a checksum based on the EEPROM configuration read.
+ * Write the EEPROM from 'cfg_buf'.
*/
-static ushort __devinit
-AdvGet38C1600EEPConfig(AdvPortAddr iop_base, ADVEEP_38C1600_CONFIG *cfg_buf)
+void __devinit
+AdvSet38C0800EEPConfig(AdvPortAddr iop_base, ADVEEP_38C0800_CONFIG *cfg_buf)
{
- ushort wval, chksum;
ushort *wbuf;
- int eep_addr;
ushort *charfields;
+ ushort addr, chksum;
- charfields = (ushort *)&ADVEEP_38C1600_Config_Field_IsChar;
wbuf = (ushort *)cfg_buf;
+ charfields = (ushort *)&ADVEEP_38C0800_Config_Field_IsChar;
chksum = 0;
- for (eep_addr = ADV_EEP_DVC_CFG_BEGIN;
- eep_addr < ADV_EEP_DVC_CFG_END; eep_addr++, wbuf++) {
- wval = AdvReadEEPWord(iop_base, eep_addr);
- chksum += wval; /* Checksum is calculated from word values. */
+ AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE_ABLE);
+ AdvWaitEEPCmd(iop_base);
+
+ /*
+ * Write EEPROM from word 0 to word 20.
+ */
+ for (addr = ADV_EEP_DVC_CFG_BEGIN;
+ addr < ADV_EEP_DVC_CFG_END; addr++, wbuf++) {
+ ushort word;
+
if (*charfields++) {
- *wbuf = le16_to_cpu(wval);
+ word = cpu_to_le16(*wbuf);
} else {
- *wbuf = wval;
+ word = *wbuf;
}
+ chksum += *wbuf; /* Checksum is calculated from word values. */
+ AdvWriteWordRegister(iop_base, IOPW_EE_DATA, word);
+ AdvWriteWordRegister(iop_base, IOPW_EE_CMD,
+ ASC_EEP_CMD_WRITE | addr);
+ AdvWaitEEPCmd(iop_base);
+ mdelay(ADV_EEP_DELAY_MS);
}
- /* Read checksum word. */
- *wbuf = AdvReadEEPWord(iop_base, eep_addr);
+
+ /*
+ * Write EEPROM checksum at word 21.
+ */
+ AdvWriteWordRegister(iop_base, IOPW_EE_DATA, chksum);
+ AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE | addr);
+ AdvWaitEEPCmd(iop_base);
wbuf++;
charfields++;
- /* Read rest of EEPROM not covered by the checksum. */
- for (eep_addr = ADV_EEP_DVC_CTL_BEGIN;
- eep_addr < ADV_EEP_MAX_WORD_ADDR; eep_addr++, wbuf++) {
- *wbuf = AdvReadEEPWord(iop_base, eep_addr);
+ /*
+ * Write EEPROM OEM name at words 22 to 29.
+ */
+ for (addr = ADV_EEP_DVC_CTL_BEGIN;
+ addr < ADV_EEP_MAX_WORD_ADDR; addr++, wbuf++) {
+ ushort word;
+
if (*charfields++) {
- *wbuf = le16_to_cpu(*wbuf);
+ word = cpu_to_le16(*wbuf);
+ } else {
+ word = *wbuf;
}
+ AdvWriteWordRegister(iop_base, IOPW_EE_DATA, word);
+ AdvWriteWordRegister(iop_base, IOPW_EE_CMD,
+ ASC_EEP_CMD_WRITE | addr);
+ AdvWaitEEPCmd(iop_base);
}
- return chksum;
-}
-
-/*
- * Read the EEPROM from specified location
- */
-static ushort __devinit AdvReadEEPWord(AdvPortAddr iop_base, int eep_word_addr)
-{
- AdvWriteWordRegister(iop_base, IOPW_EE_CMD,
- ASC_EEP_CMD_READ | eep_word_addr);
+ AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE_DISABLE);
AdvWaitEEPCmd(iop_base);
- return AdvReadWordRegister(iop_base, IOPW_EE_DATA);
-}
-
-/*
- * Wait for EEPROM command to complete
- */
-static void __devinit AdvWaitEEPCmd(AdvPortAddr iop_base)
-{
- int eep_delay_ms;
-
- for (eep_delay_ms = 0; eep_delay_ms < ADV_EEP_DELAY_MS; eep_delay_ms++) {
- if (AdvReadWordRegister(iop_base, IOPW_EE_CMD) &
- ASC_EEP_CMD_DONE) {
- break;
- }
- mdelay(1);
- }
- if ((AdvReadWordRegister(iop_base, IOPW_EE_CMD) & ASC_EEP_CMD_DONE) ==
- 0)
- BUG();
- return;
}
/*
* Write the EEPROM from 'cfg_buf'.
*/
void __devinit
-AdvSet3550EEPConfig(AdvPortAddr iop_base, ADVEEP_3550_CONFIG *cfg_buf)
+AdvSet38C1600EEPConfig(AdvPortAddr iop_base, ADVEEP_38C1600_CONFIG *cfg_buf)
{
ushort *wbuf;
- ushort addr, chksum;
ushort *charfields;
+ ushort addr, chksum;
wbuf = (ushort *)cfg_buf;
- charfields = (ushort *)&ADVEEP_3550_Config_Field_IsChar;
+ charfields = (ushort *)&ADVEEP_38C1600_Config_Field_IsChar;
chksum = 0;
AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE_ABLE);
}
AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE_DISABLE);
AdvWaitEEPCmd(iop_base);
- return;
}
/*
- * Write the EEPROM from 'cfg_buf'.
+ * Read EEPROM configuration into the specified buffer.
+ *
+ * Return a checksum based on the EEPROM configuration read.
*/
-void __devinit
-AdvSet38C0800EEPConfig(AdvPortAddr iop_base, ADVEEP_38C0800_CONFIG *cfg_buf)
+static ushort __devinit
+AdvGet3550EEPConfig(AdvPortAddr iop_base, ADVEEP_3550_CONFIG *cfg_buf)
{
+ ushort wval, chksum;
ushort *wbuf;
+ int eep_addr;
ushort *charfields;
- ushort addr, chksum;
+ charfields = (ushort *)&ADVEEP_3550_Config_Field_IsChar;
wbuf = (ushort *)cfg_buf;
- charfields = (ushort *)&ADVEEP_38C0800_Config_Field_IsChar;
chksum = 0;
- AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE_ABLE);
- AdvWaitEEPCmd(iop_base);
+ for (eep_addr = ADV_EEP_DVC_CFG_BEGIN;
+ eep_addr < ADV_EEP_DVC_CFG_END; eep_addr++, wbuf++) {
+ wval = AdvReadEEPWord(iop_base, eep_addr);
+ chksum += wval; /* Checksum is calculated from word values. */
+ if (*charfields++) {
+ *wbuf = le16_to_cpu(wval);
+ } else {
+ *wbuf = wval;
+ }
+ }
+ /* Read checksum word. */
+ *wbuf = AdvReadEEPWord(iop_base, eep_addr);
+ wbuf++;
+ charfields++;
- /*
- * Write EEPROM from word 0 to word 20.
- */
- for (addr = ADV_EEP_DVC_CFG_BEGIN;
- addr < ADV_EEP_DVC_CFG_END; addr++, wbuf++) {
- ushort word;
+ /* Read rest of EEPROM not covered by the checksum. */
+ for (eep_addr = ADV_EEP_DVC_CTL_BEGIN;
+ eep_addr < ADV_EEP_MAX_WORD_ADDR; eep_addr++, wbuf++) {
+ *wbuf = AdvReadEEPWord(iop_base, eep_addr);
+ if (*charfields++) {
+ *wbuf = le16_to_cpu(*wbuf);
+ }
+ }
+ return chksum;
+}
+
+/*
+ * Read EEPROM configuration into the specified buffer.
+ *
+ * Return a checksum based on the EEPROM configuration read.
+ */
+static ushort __devinit
+AdvGet38C0800EEPConfig(AdvPortAddr iop_base, ADVEEP_38C0800_CONFIG *cfg_buf)
+{
+ ushort wval, chksum;
+ ushort *wbuf;
+ int eep_addr;
+ ushort *charfields;
+ charfields = (ushort *)&ADVEEP_38C0800_Config_Field_IsChar;
+ wbuf = (ushort *)cfg_buf;
+ chksum = 0;
+
+ for (eep_addr = ADV_EEP_DVC_CFG_BEGIN;
+ eep_addr < ADV_EEP_DVC_CFG_END; eep_addr++, wbuf++) {
+ wval = AdvReadEEPWord(iop_base, eep_addr);
+ chksum += wval; /* Checksum is calculated from word values. */
if (*charfields++) {
- word = cpu_to_le16(*wbuf);
+ *wbuf = le16_to_cpu(wval);
} else {
- word = *wbuf;
+ *wbuf = wval;
}
- chksum += *wbuf; /* Checksum is calculated from word values. */
- AdvWriteWordRegister(iop_base, IOPW_EE_DATA, word);
- AdvWriteWordRegister(iop_base, IOPW_EE_CMD,
- ASC_EEP_CMD_WRITE | addr);
- AdvWaitEEPCmd(iop_base);
- mdelay(ADV_EEP_DELAY_MS);
}
-
- /*
- * Write EEPROM checksum at word 21.
- */
- AdvWriteWordRegister(iop_base, IOPW_EE_DATA, chksum);
- AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE | addr);
- AdvWaitEEPCmd(iop_base);
+ /* Read checksum word. */
+ *wbuf = AdvReadEEPWord(iop_base, eep_addr);
wbuf++;
charfields++;
- /*
- * Write EEPROM OEM name at words 22 to 29.
- */
- for (addr = ADV_EEP_DVC_CTL_BEGIN;
- addr < ADV_EEP_MAX_WORD_ADDR; addr++, wbuf++) {
- ushort word;
-
+ /* Read rest of EEPROM not covered by the checksum. */
+ for (eep_addr = ADV_EEP_DVC_CTL_BEGIN;
+ eep_addr < ADV_EEP_MAX_WORD_ADDR; eep_addr++, wbuf++) {
+ *wbuf = AdvReadEEPWord(iop_base, eep_addr);
if (*charfields++) {
- word = cpu_to_le16(*wbuf);
- } else {
- word = *wbuf;
+ *wbuf = le16_to_cpu(*wbuf);
}
- AdvWriteWordRegister(iop_base, IOPW_EE_DATA, word);
- AdvWriteWordRegister(iop_base, IOPW_EE_CMD,
- ASC_EEP_CMD_WRITE | addr);
- AdvWaitEEPCmd(iop_base);
}
- AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE_DISABLE);
- AdvWaitEEPCmd(iop_base);
- return;
+ return chksum;
}
/*
- * Write the EEPROM from 'cfg_buf'.
+ * Read EEPROM configuration into the specified buffer.
+ *
+ * Return a checksum based on the EEPROM configuration read.
*/
-void __devinit
-AdvSet38C1600EEPConfig(AdvPortAddr iop_base, ADVEEP_38C1600_CONFIG *cfg_buf)
+static ushort __devinit
+AdvGet38C1600EEPConfig(AdvPortAddr iop_base, ADVEEP_38C1600_CONFIG *cfg_buf)
{
+ ushort wval, chksum;
ushort *wbuf;
+ int eep_addr;
ushort *charfields;
- ushort addr, chksum;
- wbuf = (ushort *)cfg_buf;
charfields = (ushort *)&ADVEEP_38C1600_Config_Field_IsChar;
+ wbuf = (ushort *)cfg_buf;
chksum = 0;
- AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE_ABLE);
- AdvWaitEEPCmd(iop_base);
-
- /*
- * Write EEPROM from word 0 to word 20.
- */
- for (addr = ADV_EEP_DVC_CFG_BEGIN;
- addr < ADV_EEP_DVC_CFG_END; addr++, wbuf++) {
- ushort word;
-
+ for (eep_addr = ADV_EEP_DVC_CFG_BEGIN;
+ eep_addr < ADV_EEP_DVC_CFG_END; eep_addr++, wbuf++) {
+ wval = AdvReadEEPWord(iop_base, eep_addr);
+ chksum += wval; /* Checksum is calculated from word values. */
if (*charfields++) {
- word = cpu_to_le16(*wbuf);
+ *wbuf = le16_to_cpu(wval);
} else {
- word = *wbuf;
+ *wbuf = wval;
}
- chksum += *wbuf; /* Checksum is calculated from word values. */
- AdvWriteWordRegister(iop_base, IOPW_EE_DATA, word);
- AdvWriteWordRegister(iop_base, IOPW_EE_CMD,
- ASC_EEP_CMD_WRITE | addr);
- AdvWaitEEPCmd(iop_base);
- mdelay(ADV_EEP_DELAY_MS);
}
-
- /*
- * Write EEPROM checksum at word 21.
- */
- AdvWriteWordRegister(iop_base, IOPW_EE_DATA, chksum);
- AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE | addr);
- AdvWaitEEPCmd(iop_base);
+ /* Read checksum word. */
+ *wbuf = AdvReadEEPWord(iop_base, eep_addr);
wbuf++;
charfields++;
- /*
- * Write EEPROM OEM name at words 22 to 29.
- */
- for (addr = ADV_EEP_DVC_CTL_BEGIN;
- addr < ADV_EEP_MAX_WORD_ADDR; addr++, wbuf++) {
- ushort word;
-
+ /* Read rest of EEPROM not covered by the checksum. */
+ for (eep_addr = ADV_EEP_DVC_CTL_BEGIN;
+ eep_addr < ADV_EEP_MAX_WORD_ADDR; eep_addr++, wbuf++) {
+ *wbuf = AdvReadEEPWord(iop_base, eep_addr);
if (*charfields++) {
- word = cpu_to_le16(*wbuf);
- } else {
- word = *wbuf;
+ *wbuf = le16_to_cpu(*wbuf);
}
- AdvWriteWordRegister(iop_base, IOPW_EE_DATA, word);
- AdvWriteWordRegister(iop_base, IOPW_EE_CMD,
- ASC_EEP_CMD_WRITE | addr);
- AdvWaitEEPCmd(iop_base);
}
- AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE_DISABLE);
- AdvWaitEEPCmd(iop_base);
- return;
+ return chksum;
}
/*
- * AdvExeScsiQueue() - Send a request to the RISC microcode program.
- *
- * Allocate a carrier structure, point the carrier to the ADV_SCSI_REQ_Q,
- * add the carrier to the ICQ (Initiator Command Queue), and tickle the
- * RISC to notify it a new command is ready to be executed.
+ * Read the board's EEPROM configuration. Set fields in ADV_DVC_VAR and
+ * ADV_DVC_CFG based on the EEPROM settings. The chip is stopped while
+ * all of this is done.
*
- * If 'done_status' is not set to QD_DO_RETRY, then 'error_retry' will be
- * set to SCSI_MAX_RETRY.
+ * On failure set the ADV_DVC_VAR field 'err_code' and return ADV_ERROR.
*
- * Multi-byte fields in the ASC_SCSI_REQ_Q that are used by the microcode
- * for DMA addresses or math operations are byte swapped to little-endian
- * order.
+ * For a non-fatal error return a warning code. If there are no warnings
+ * then 0 is returned.
*
- * Return:
- * ADV_SUCCESS(1) - The request was successfully queued.
- * ADV_BUSY(0) - Resource unavailable; Retry again after pending
- * request completes.
- * ADV_ERROR(-1) - Invalid ADV_SCSI_REQ_Q request structure
- * host IC error.
+ * Note: Chip is stopped on entry.
*/
-static int AdvExeScsiQueue(ADV_DVC_VAR *asc_dvc, ADV_SCSI_REQ_Q *scsiq)
+static int __devinit AdvInitFrom3550EEP(ADV_DVC_VAR *asc_dvc)
{
AdvPortAddr iop_base;
- ADV_DCNT req_size;
- ADV_PADDR req_paddr;
- ADV_CARR_T *new_carrp;
-
- /*
- * The ADV_SCSI_REQ_Q 'target_id' field should never exceed ADV_MAX_TID.
- */
- if (scsiq->target_id > ADV_MAX_TID) {
- scsiq->host_status = QHSTA_M_INVALID_DEVICE;
- scsiq->done_status = QD_WITH_ERROR;
- return ADV_ERROR;
- }
+ ushort warn_code;
+ ADVEEP_3550_CONFIG eep_config;
iop_base = asc_dvc->iop_base;
- /*
- * Allocate a carrier ensuring at least one carrier always
- * remains on the freelist and initialize fields.
- */
- if ((new_carrp = asc_dvc->carr_freelist) == NULL) {
- return ADV_BUSY;
- }
- asc_dvc->carr_freelist = (ADV_CARR_T *)
- ADV_U32_TO_VADDR(le32_to_cpu(new_carrp->next_vpa));
- asc_dvc->carr_pending_cnt++;
+ warn_code = 0;
/*
- * Set the carrier to be a stopper by setting 'next_vpa'
- * to the stopper value. The current stopper will be changed
- * below to point to the new stopper.
+ * Read the board's EEPROM configuration.
+ *
+ * Set default values if a bad checksum is found.
*/
- new_carrp->next_vpa = cpu_to_le32(ASC_CQ_STOPPER);
+ if (AdvGet3550EEPConfig(iop_base, &eep_config) != eep_config.check_sum) {
+ warn_code |= ASC_WARN_EEPROM_CHKSUM;
- /*
- * Clear the ADV_SCSI_REQ_Q done flag.
- */
- scsiq->a_flag &= ~ADV_SCSIQ_DONE;
+ /*
+ * Set EEPROM default values.
+ */
+ memcpy(&eep_config, &Default_3550_EEPROM_Config,
+ sizeof(ADVEEP_3550_CONFIG));
- req_size = sizeof(ADV_SCSI_REQ_Q);
- req_paddr = DvcGetPhyAddr(asc_dvc, scsiq, (uchar *)scsiq,
- (ADV_SDCNT *)&req_size, ADV_IS_SCSIQ_FLAG);
+ /*
+ * Assume the 6 byte board serial number that was read from
+ * EEPROM is correct even if the EEPROM checksum failed.
+ */
+ eep_config.serial_number_word3 =
+ AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 1);
- BUG_ON(req_paddr & 31);
- BUG_ON(req_size < sizeof(ADV_SCSI_REQ_Q));
+ eep_config.serial_number_word2 =
+ AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 2);
- /* Wait for assertion before making little-endian */
- req_paddr = cpu_to_le32(req_paddr);
+ eep_config.serial_number_word1 =
+ AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 3);
- /* Save virtual and physical address of ADV_SCSI_REQ_Q and carrier. */
- scsiq->scsiq_ptr = cpu_to_le32(ADV_VADDR_TO_U32(scsiq));
- scsiq->scsiq_rptr = req_paddr;
+ AdvSet3550EEPConfig(iop_base, &eep_config);
+ }
+ /*
+ * Set ASC_DVC_VAR and ASC_DVC_CFG variables from the
+ * EEPROM configuration that was read.
+ *
+ * This is the mapping of EEPROM fields to Adv Library fields.
+ */
+ asc_dvc->wdtr_able = eep_config.wdtr_able;
+ asc_dvc->sdtr_able = eep_config.sdtr_able;
+ asc_dvc->ultra_able = eep_config.ultra_able;
+ asc_dvc->tagqng_able = eep_config.tagqng_able;
+ asc_dvc->cfg->disc_enable = eep_config.disc_enable;
+ asc_dvc->max_host_qng = eep_config.max_host_qng;
+ asc_dvc->max_dvc_qng = eep_config.max_dvc_qng;
+ asc_dvc->chip_scsi_id = (eep_config.adapter_scsi_id & ADV_MAX_TID);
+ asc_dvc->start_motor = eep_config.start_motor;
+ asc_dvc->scsi_reset_wait = eep_config.scsi_reset_delay;
+ asc_dvc->bios_ctrl = eep_config.bios_ctrl;
+ asc_dvc->no_scam = eep_config.scam_tolerant;
+ asc_dvc->cfg->serial1 = eep_config.serial_number_word1;
+ asc_dvc->cfg->serial2 = eep_config.serial_number_word2;
+ asc_dvc->cfg->serial3 = eep_config.serial_number_word3;
- scsiq->carr_va = cpu_to_le32(ADV_VADDR_TO_U32(asc_dvc->icq_sp));
/*
- * Every ADV_CARR_T.carr_pa is byte swapped to little-endian
- * order during initialization.
+ * Set the host maximum queuing (max. 253, min. 16) and the per device
+ * maximum queuing (max. 63, min. 4).
*/
- scsiq->carr_pa = asc_dvc->icq_sp->carr_pa;
+ if (eep_config.max_host_qng > ASC_DEF_MAX_HOST_QNG) {
+ eep_config.max_host_qng = ASC_DEF_MAX_HOST_QNG;
+ } else if (eep_config.max_host_qng < ASC_DEF_MIN_HOST_QNG) {
+ /* If the value is zero, assume it is uninitialized. */
+ if (eep_config.max_host_qng == 0) {
+ eep_config.max_host_qng = ASC_DEF_MAX_HOST_QNG;
+ } else {
+ eep_config.max_host_qng = ASC_DEF_MIN_HOST_QNG;
+ }
+ }
+
+ if (eep_config.max_dvc_qng > ASC_DEF_MAX_DVC_QNG) {
+ eep_config.max_dvc_qng = ASC_DEF_MAX_DVC_QNG;
+ } else if (eep_config.max_dvc_qng < ASC_DEF_MIN_DVC_QNG) {
+ /* If the value is zero, assume it is uninitialized. */
+ if (eep_config.max_dvc_qng == 0) {
+ eep_config.max_dvc_qng = ASC_DEF_MAX_DVC_QNG;
+ } else {
+ eep_config.max_dvc_qng = ASC_DEF_MIN_DVC_QNG;
+ }
+ }
/*
- * Use the current stopper to send the ADV_SCSI_REQ_Q command to
- * the microcode. The newly allocated stopper will become the new
- * stopper.
+ * If 'max_dvc_qng' is greater than 'max_host_qng', then
+ * set 'max_dvc_qng' to 'max_host_qng'.
*/
- asc_dvc->icq_sp->areq_vpa = req_paddr;
+ if (eep_config.max_dvc_qng > eep_config.max_host_qng) {
+ eep_config.max_dvc_qng = eep_config.max_host_qng;
+ }
/*
- * Set the 'next_vpa' pointer for the old stopper to be the
- * physical address of the new stopper. The RISC can only
- * follow physical addresses.
+ * Set ADV_DVC_VAR 'max_host_qng' and ADV_DVC_VAR 'max_dvc_qng'
+ * values based on possibly adjusted EEPROM values.
*/
- asc_dvc->icq_sp->next_vpa = new_carrp->carr_pa;
+ asc_dvc->max_host_qng = eep_config.max_host_qng;
+ asc_dvc->max_dvc_qng = eep_config.max_dvc_qng;
/*
- * Set the host adapter stopper pointer to point to the new carrier.
+ * If the EEPROM 'termination' field is set to automatic (0), then set
+ * the ADV_DVC_CFG 'termination' field to automatic also.
+ *
+ * If the termination is specified with a non-zero 'termination'
+ * value check that a legal value is set and set the ADV_DVC_CFG
+ * 'termination' field appropriately.
*/
- asc_dvc->icq_sp = new_carrp;
+ if (eep_config.termination == 0) {
+ asc_dvc->cfg->termination = 0; /* auto termination */
+ } else {
+ /* Enable manual control with low off / high off. */
+ if (eep_config.termination == 1) {
+ asc_dvc->cfg->termination = TERM_CTL_SEL;
- if (asc_dvc->chip_type == ADV_CHIP_ASC3550 ||
- asc_dvc->chip_type == ADV_CHIP_ASC38C0800) {
- /*
- * Tickle the RISC to tell it to read its Command Queue Head pointer.
- */
- AdvWriteByteRegister(iop_base, IOPB_TICKLE, ADV_TICKLE_A);
- if (asc_dvc->chip_type == ADV_CHIP_ASC3550) {
+ /* Enable manual control with low off / high on. */
+ } else if (eep_config.termination == 2) {
+ asc_dvc->cfg->termination = TERM_CTL_SEL | TERM_CTL_H;
+
+ /* Enable manual control with low on / high on. */
+ } else if (eep_config.termination == 3) {
+ asc_dvc->cfg->termination =
+ TERM_CTL_SEL | TERM_CTL_H | TERM_CTL_L;
+ } else {
/*
- * Clear the tickle value. In the ASC-3550 the RISC flag
- * command 'clr_tickle_a' does not work unless the host
- * value is cleared.
+ * The EEPROM 'termination' field contains a bad value. Use
+ * automatic termination instead.
*/
- AdvWriteByteRegister(iop_base, IOPB_TICKLE,
- ADV_TICKLE_NOP);
+ asc_dvc->cfg->termination = 0;
+ warn_code |= ASC_WARN_EEPROM_TERMINATION;
}
- } else if (asc_dvc->chip_type == ADV_CHIP_ASC38C1600) {
- /*
- * Notify the RISC a carrier is ready by writing the physical
- * address of the new carrier stopper to the COMMA register.
- */
- AdvWriteDWordRegister(iop_base, IOPDW_COMMA,
- le32_to_cpu(new_carrp->carr_pa));
}
- return ADV_SUCCESS;
+ return warn_code;
}
/*
- * Reset SCSI Bus and purge all outstanding requests.
+ * Read the board's EEPROM configuration. Set fields in ADV_DVC_VAR and
+ * ADV_DVC_CFG based on the EEPROM settings. The chip is stopped while
+ * all of this is done.
*
- * Return Value:
- * ADV_TRUE(1) - All requests are purged and SCSI Bus is reset.
- * ADV_FALSE(0) - Microcode command failed.
- * ADV_ERROR(-1) - Microcode command timed-out. Microcode or IC
- * may be hung which requires driver recovery.
+ * On failure set the ADV_DVC_VAR field 'err_code' and return ADV_ERROR.
+ *
+ * For a non-fatal error return a warning code. If there are no warnings
+ * then 0 is returned.
+ *
+ * Note: Chip is stopped on entry.
*/
-static int AdvResetSB(ADV_DVC_VAR *asc_dvc)
+static int __devinit AdvInitFrom38C0800EEP(ADV_DVC_VAR *asc_dvc)
{
- int status;
+ AdvPortAddr iop_base;
+ ushort warn_code;
+ ADVEEP_38C0800_CONFIG eep_config;
+ uchar tid, termination;
+ ushort sdtr_speed = 0;
- /*
- * Send the SCSI Bus Reset idle start idle command which asserts
- * the SCSI Bus Reset signal.
- */
- status = AdvSendIdleCmd(asc_dvc, (ushort)IDLE_CMD_SCSI_RESET_START, 0L);
- if (status != ADV_TRUE) {
- return status;
- }
+ iop_base = asc_dvc->iop_base;
- /*
- * Delay for the specified SCSI Bus Reset hold time.
- *
- * The hold time delay is done on the host because the RISC has no
- * microsecond accurate timer.
- */
- udelay(ASC_SCSI_RESET_HOLD_TIME_US);
+ warn_code = 0;
/*
- * Send the SCSI Bus Reset end idle command which de-asserts
- * the SCSI Bus Reset signal and purges any pending requests.
+ * Read the board's EEPROM configuration.
+ *
+ * Set default values if a bad checksum is found.
*/
- status = AdvSendIdleCmd(asc_dvc, (ushort)IDLE_CMD_SCSI_RESET_END, 0L);
- if (status != ADV_TRUE) {
- return status;
- }
+ if (AdvGet38C0800EEPConfig(iop_base, &eep_config) !=
+ eep_config.check_sum) {
+ warn_code |= ASC_WARN_EEPROM_CHKSUM;
- mdelay(asc_dvc->scsi_reset_wait * 1000); /* XXX: msleep? */
+ /*
+ * Set EEPROM default values.
+ */
+ memcpy(&eep_config, &Default_38C0800_EEPROM_Config,
+ sizeof(ADVEEP_38C0800_CONFIG));
- return status;
-}
+ /*
+ * Assume the 6 byte board serial number that was read from
+ * EEPROM is correct even if the EEPROM checksum failed.
+ */
+ eep_config.serial_number_word3 =
+ AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 1);
-/*
- * Reset chip and SCSI Bus.
- *
- * Return Value:
- * ADV_TRUE(1) - Chip re-initialization and SCSI Bus Reset successful.
- * ADV_FALSE(0) - Chip re-initialization and SCSI Bus Reset failure.
- */
-static int AdvResetChipAndSB(ADV_DVC_VAR *asc_dvc)
-{
- int status;
- ushort wdtr_able, sdtr_able, tagqng_able;
- ushort ppr_able = 0;
- uchar tid, max_cmd[ADV_MAX_TID + 1];
- AdvPortAddr iop_base;
- ushort bios_sig;
+ eep_config.serial_number_word2 =
+ AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 2);
- iop_base = asc_dvc->iop_base;
+ eep_config.serial_number_word1 =
+ AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 3);
- /*
- * Save current per TID negotiated values.
- */
- AdvReadWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able);
- AdvReadWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able);
- if (asc_dvc->chip_type == ADV_CHIP_ASC38C1600) {
- AdvReadWordLram(iop_base, ASC_MC_PPR_ABLE, ppr_able);
- }
- AdvReadWordLram(iop_base, ASC_MC_TAGQNG_ABLE, tagqng_able);
- for (tid = 0; tid <= ADV_MAX_TID; tid++) {
- AdvReadByteLram(iop_base, ASC_MC_NUMBER_OF_MAX_CMD + tid,
- max_cmd[tid]);
+ AdvSet38C0800EEPConfig(iop_base, &eep_config);
}
-
/*
- * Force the AdvInitAsc3550/38C0800Driver() function to
- * perform a SCSI Bus Reset by clearing the BIOS signature word.
- * The initialization functions assumes a SCSI Bus Reset is not
- * needed if the BIOS signature word is present.
+ * Set ADV_DVC_VAR and ADV_DVC_CFG variables from the
+ * EEPROM configuration that was read.
+ *
+ * This is the mapping of EEPROM fields to Adv Library fields.
*/
- AdvReadWordLram(iop_base, ASC_MC_BIOS_SIGNATURE, bios_sig);
- AdvWriteWordLram(iop_base, ASC_MC_BIOS_SIGNATURE, 0);
+ asc_dvc->wdtr_able = eep_config.wdtr_able;
+ asc_dvc->sdtr_speed1 = eep_config.sdtr_speed1;
+ asc_dvc->sdtr_speed2 = eep_config.sdtr_speed2;
+ asc_dvc->sdtr_speed3 = eep_config.sdtr_speed3;
+ asc_dvc->sdtr_speed4 = eep_config.sdtr_speed4;
+ asc_dvc->tagqng_able = eep_config.tagqng_able;
+ asc_dvc->cfg->disc_enable = eep_config.disc_enable;
+ asc_dvc->max_host_qng = eep_config.max_host_qng;
+ asc_dvc->max_dvc_qng = eep_config.max_dvc_qng;
+ asc_dvc->chip_scsi_id = (eep_config.adapter_scsi_id & ADV_MAX_TID);
+ asc_dvc->start_motor = eep_config.start_motor;
+ asc_dvc->scsi_reset_wait = eep_config.scsi_reset_delay;
+ asc_dvc->bios_ctrl = eep_config.bios_ctrl;
+ asc_dvc->no_scam = eep_config.scam_tolerant;
+ asc_dvc->cfg->serial1 = eep_config.serial_number_word1;
+ asc_dvc->cfg->serial2 = eep_config.serial_number_word2;
+ asc_dvc->cfg->serial3 = eep_config.serial_number_word3;
/*
- * Stop chip and reset it.
+ * For every Target ID if any of its 'sdtr_speed[1234]' bits
+ * are set, then set an 'sdtr_able' bit for it.
*/
- AdvWriteWordRegister(iop_base, IOPW_RISC_CSR, ADV_RISC_CSR_STOP);
- AdvWriteWordRegister(iop_base, IOPW_CTRL_REG, ADV_CTRL_REG_CMD_RESET);
- mdelay(100);
- AdvWriteWordRegister(iop_base, IOPW_CTRL_REG,
- ADV_CTRL_REG_CMD_WR_IO_REG);
+ asc_dvc->sdtr_able = 0;
+ for (tid = 0; tid <= ADV_MAX_TID; tid++) {
+ if (tid == 0) {
+ sdtr_speed = asc_dvc->sdtr_speed1;
+ } else if (tid == 4) {
+ sdtr_speed = asc_dvc->sdtr_speed2;
+ } else if (tid == 8) {
+ sdtr_speed = asc_dvc->sdtr_speed3;
+ } else if (tid == 12) {
+ sdtr_speed = asc_dvc->sdtr_speed4;
+ }
+ if (sdtr_speed & ADV_MAX_TID) {
+ asc_dvc->sdtr_able |= (1 << tid);
+ }
+ sdtr_speed >>= 4;
+ }
/*
- * Reset Adv Library error code, if any, and try
- * re-initializing the chip.
+ * Set the host maximum queuing (max. 253, min. 16) and the per device
+ * maximum queuing (max. 63, min. 4).
*/
- asc_dvc->err_code = 0;
- if (asc_dvc->chip_type == ADV_CHIP_ASC38C1600) {
- status = AdvInitAsc38C1600Driver(asc_dvc);
- } else if (asc_dvc->chip_type == ADV_CHIP_ASC38C0800) {
- status = AdvInitAsc38C0800Driver(asc_dvc);
- } else {
- status = AdvInitAsc3550Driver(asc_dvc);
+ if (eep_config.max_host_qng > ASC_DEF_MAX_HOST_QNG) {
+ eep_config.max_host_qng = ASC_DEF_MAX_HOST_QNG;
+ } else if (eep_config.max_host_qng < ASC_DEF_MIN_HOST_QNG) {
+ /* If the value is zero, assume it is uninitialized. */
+ if (eep_config.max_host_qng == 0) {
+ eep_config.max_host_qng = ASC_DEF_MAX_HOST_QNG;
+ } else {
+ eep_config.max_host_qng = ASC_DEF_MIN_HOST_QNG;
+ }
}
- /* Translate initialization return value to status value. */
- if (status == 0) {
- status = ADV_TRUE;
- } else {
- status = ADV_FALSE;
+ if (eep_config.max_dvc_qng > ASC_DEF_MAX_DVC_QNG) {
+ eep_config.max_dvc_qng = ASC_DEF_MAX_DVC_QNG;
+ } else if (eep_config.max_dvc_qng < ASC_DEF_MIN_DVC_QNG) {
+ /* If the value is zero, assume it is uninitialized. */
+ if (eep_config.max_dvc_qng == 0) {
+ eep_config.max_dvc_qng = ASC_DEF_MAX_DVC_QNG;
+ } else {
+ eep_config.max_dvc_qng = ASC_DEF_MIN_DVC_QNG;
+ }
+ }
+
+ /*
+ * If 'max_dvc_qng' is greater than 'max_host_qng', then
+ * set 'max_dvc_qng' to 'max_host_qng'.
+ */
+ if (eep_config.max_dvc_qng > eep_config.max_host_qng) {
+ eep_config.max_dvc_qng = eep_config.max_host_qng;
}
/*
- * Restore the BIOS signature word.
+ * Set ADV_DVC_VAR 'max_host_qng' and ADV_DVC_VAR 'max_dvc_qng'
+ * values based on possibly adjusted EEPROM values.
*/
- AdvWriteWordLram(iop_base, ASC_MC_BIOS_SIGNATURE, bios_sig);
+ asc_dvc->max_host_qng = eep_config.max_host_qng;
+ asc_dvc->max_dvc_qng = eep_config.max_dvc_qng;
/*
- * Restore per TID negotiated values.
+ * If the EEPROM 'termination' field is set to automatic (0), then set
+ * the ADV_DVC_CFG 'termination' field to automatic also.
+ *
+ * If the termination is specified with a non-zero 'termination'
+ * value check that a legal value is set and set the ADV_DVC_CFG
+ * 'termination' field appropriately.
*/
- AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able);
- AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able);
- if (asc_dvc->chip_type == ADV_CHIP_ASC38C1600) {
- AdvWriteWordLram(iop_base, ASC_MC_PPR_ABLE, ppr_able);
+ if (eep_config.termination_se == 0) {
+ termination = 0; /* auto termination for SE */
+ } else {
+ /* Enable manual control with low off / high off. */
+ if (eep_config.termination_se == 1) {
+ termination = 0;
+
+ /* Enable manual control with low off / high on. */
+ } else if (eep_config.termination_se == 2) {
+ termination = TERM_SE_HI;
+
+ /* Enable manual control with low on / high on. */
+ } else if (eep_config.termination_se == 3) {
+ termination = TERM_SE;
+ } else {
+ /*
+ * The EEPROM 'termination_se' field contains a bad value.
+ * Use automatic termination instead.
+ */
+ termination = 0;
+ warn_code |= ASC_WARN_EEPROM_TERMINATION;
+ }
}
- AdvWriteWordLram(iop_base, ASC_MC_TAGQNG_ABLE, tagqng_able);
- for (tid = 0; tid <= ADV_MAX_TID; tid++) {
- AdvWriteByteLram(iop_base, ASC_MC_NUMBER_OF_MAX_CMD + tid,
- max_cmd[tid]);
+
+ if (eep_config.termination_lvd == 0) {
+ asc_dvc->cfg->termination = termination; /* auto termination for LVD */
+ } else {
+ /* Enable manual control with low off / high off. */
+ if (eep_config.termination_lvd == 1) {
+ asc_dvc->cfg->termination = termination;
+
+ /* Enable manual control with low off / high on. */
+ } else if (eep_config.termination_lvd == 2) {
+ asc_dvc->cfg->termination = termination | TERM_LVD_HI;
+
+ /* Enable manual control with low on / high on. */
+ } else if (eep_config.termination_lvd == 3) {
+ asc_dvc->cfg->termination = termination | TERM_LVD;
+ } else {
+ /*
+ * The EEPROM 'termination_lvd' field contains a bad value.
+ * Use automatic termination instead.
+ */
+ asc_dvc->cfg->termination = termination;
+ warn_code |= ASC_WARN_EEPROM_TERMINATION;
+ }
}
- return status;
+ return warn_code;
}
/*
- * Adv Library Interrupt Service Routine
- *
- * This function is called by a driver's interrupt service routine.
- * The function disables and re-enables interrupts.
+ * Read the board's EEPROM configuration. Set fields in ASC_DVC_VAR and
+ * ASC_DVC_CFG based on the EEPROM settings. The chip is stopped while
+ * all of this is done.
*
- * When a microcode idle command is completed, the ADV_DVC_VAR
- * 'idle_cmd_done' field is set to ADV_TRUE.
+ * On failure set the ASC_DVC_VAR field 'err_code' and return ADV_ERROR.
*
- * Note: AdvISR() can be called when interrupts are disabled or even
- * when there is no hardware interrupt condition present. It will
- * always check for completed idle commands and microcode requests.
- * This is an important feature that shouldn't be changed because it
- * allows commands to be completed from polling mode loops.
+ * For a non-fatal error return a warning code. If there are no warnings
+ * then 0 is returned.
*
- * Return:
- * ADV_TRUE(1) - interrupt was pending
- * ADV_FALSE(0) - no interrupt was pending
+ * Note: Chip is stopped on entry.
*/
-static int AdvISR(ADV_DVC_VAR *asc_dvc)
+static int __devinit AdvInitFrom38C1600EEP(ADV_DVC_VAR *asc_dvc)
{
AdvPortAddr iop_base;
- uchar int_stat;
- ushort target_bit;
- ADV_CARR_T *free_carrp;
- ADV_VADDR irq_next_vpa;
- ADV_SCSI_REQ_Q *scsiq;
+ ushort warn_code;
+ ADVEEP_38C1600_CONFIG eep_config;
+ uchar tid, termination;
+ ushort sdtr_speed = 0;
iop_base = asc_dvc->iop_base;
- /* Reading the register clears the interrupt. */
- int_stat = AdvReadByteRegister(iop_base, IOPB_INTR_STATUS_REG);
+ warn_code = 0;
- if ((int_stat & (ADV_INTR_STATUS_INTRA | ADV_INTR_STATUS_INTRB |
- ADV_INTR_STATUS_INTRC)) == 0) {
- return ADV_FALSE;
+ /*
+ * Read the board's EEPROM configuration.
+ *
+ * Set default values if a bad checksum is found.
+ */
+ if (AdvGet38C1600EEPConfig(iop_base, &eep_config) !=
+ eep_config.check_sum) {
+ struct pci_dev *pdev = adv_dvc_to_pdev(asc_dvc);
+ warn_code |= ASC_WARN_EEPROM_CHKSUM;
+
+ /*
+ * Set EEPROM default values.
+ */
+ memcpy(&eep_config, &Default_38C1600_EEPROM_Config,
+ sizeof(ADVEEP_38C1600_CONFIG));
+
+ if (PCI_FUNC(pdev->devfn) != 0) {
+ u8 ints;
+ /*
+ * Disable Bit 14 (BIOS_ENABLE) to fix SPARC Ultra 60
+ * and old Mac system booting problem. The Expansion
+ * ROM must be disabled in Function 1 for these systems
+ */
+ eep_config.cfg_lsw &= ~ADV_EEPROM_BIOS_ENABLE;
+ /*
+ * Clear the INTAB (bit 11) if the GPIO 0 input
+ * indicates the Function 1 interrupt line is wired
+ * to INTB.
+ *
+ * Set/Clear Bit 11 (INTAB) from the GPIO bit 0 input:
+ * 1 - Function 1 interrupt line wired to INT A.
+ * 0 - Function 1 interrupt line wired to INT B.
+ *
+ * Note: Function 0 is always wired to INTA.
+ * Put all 5 GPIO bits in input mode and then read
+ * their input values.
+ */
+ AdvWriteByteRegister(iop_base, IOPB_GPIO_CNTL, 0);
+ ints = AdvReadByteRegister(iop_base, IOPB_GPIO_DATA);
+ if ((ints & 0x01) == 0)
+ eep_config.cfg_lsw &= ~ADV_EEPROM_INTAB;
+ }
+
+ /*
+ * Assume the 6 byte board serial number that was read from
+ * EEPROM is correct even if the EEPROM checksum failed.
+ */
+ eep_config.serial_number_word3 =
+ AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 1);
+ eep_config.serial_number_word2 =
+ AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 2);
+ eep_config.serial_number_word1 =
+ AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 3);
+
+ AdvSet38C1600EEPConfig(iop_base, &eep_config);
}
/*
- * Notify the driver of an asynchronous microcode condition by
- * calling the adv_async_callback function. The function
- * is passed the microcode ASC_MC_INTRB_CODE byte value.
+ * Set ASC_DVC_VAR and ASC_DVC_CFG variables from the
+ * EEPROM configuration that was read.
+ *
+ * This is the mapping of EEPROM fields to Adv Library fields.
*/
- if (int_stat & ADV_INTR_STATUS_INTRB) {
- uchar intrb_code;
+ asc_dvc->wdtr_able = eep_config.wdtr_able;
+ asc_dvc->sdtr_speed1 = eep_config.sdtr_speed1;
+ asc_dvc->sdtr_speed2 = eep_config.sdtr_speed2;
+ asc_dvc->sdtr_speed3 = eep_config.sdtr_speed3;
+ asc_dvc->sdtr_speed4 = eep_config.sdtr_speed4;
+ asc_dvc->ppr_able = 0;
+ asc_dvc->tagqng_able = eep_config.tagqng_able;
+ asc_dvc->cfg->disc_enable = eep_config.disc_enable;
+ asc_dvc->max_host_qng = eep_config.max_host_qng;
+ asc_dvc->max_dvc_qng = eep_config.max_dvc_qng;
+ asc_dvc->chip_scsi_id = (eep_config.adapter_scsi_id & ASC_MAX_TID);
+ asc_dvc->start_motor = eep_config.start_motor;
+ asc_dvc->scsi_reset_wait = eep_config.scsi_reset_delay;
+ asc_dvc->bios_ctrl = eep_config.bios_ctrl;
+ asc_dvc->no_scam = eep_config.scam_tolerant;
- AdvReadByteLram(iop_base, ASC_MC_INTRB_CODE, intrb_code);
+ /*
+ * For every Target ID if any of its 'sdtr_speed[1234]' bits
+ * are set, then set an 'sdtr_able' bit for it.
+ */
+ asc_dvc->sdtr_able = 0;
+ for (tid = 0; tid <= ASC_MAX_TID; tid++) {
+ if (tid == 0) {
+ sdtr_speed = asc_dvc->sdtr_speed1;
+ } else if (tid == 4) {
+ sdtr_speed = asc_dvc->sdtr_speed2;
+ } else if (tid == 8) {
+ sdtr_speed = asc_dvc->sdtr_speed3;
+ } else if (tid == 12) {
+ sdtr_speed = asc_dvc->sdtr_speed4;
+ }
+ if (sdtr_speed & ASC_MAX_TID) {
+ asc_dvc->sdtr_able |= (1 << tid);
+ }
+ sdtr_speed >>= 4;
+ }
- if (asc_dvc->chip_type == ADV_CHIP_ASC3550 ||
- asc_dvc->chip_type == ADV_CHIP_ASC38C0800) {
- if (intrb_code == ADV_ASYNC_CARRIER_READY_FAILURE &&
- asc_dvc->carr_pending_cnt != 0) {
- AdvWriteByteRegister(iop_base, IOPB_TICKLE,
- ADV_TICKLE_A);
- if (asc_dvc->chip_type == ADV_CHIP_ASC3550) {
- AdvWriteByteRegister(iop_base,
- IOPB_TICKLE,
- ADV_TICKLE_NOP);
- }
- }
+ /*
+ * Set the host maximum queuing (max. 253, min. 16) and the per device
+ * maximum queuing (max. 63, min. 4).
+ */
+ if (eep_config.max_host_qng > ASC_DEF_MAX_HOST_QNG) {
+ eep_config.max_host_qng = ASC_DEF_MAX_HOST_QNG;
+ } else if (eep_config.max_host_qng < ASC_DEF_MIN_HOST_QNG) {
+ /* If the value is zero, assume it is uninitialized. */
+ if (eep_config.max_host_qng == 0) {
+ eep_config.max_host_qng = ASC_DEF_MAX_HOST_QNG;
+ } else {
+ eep_config.max_host_qng = ASC_DEF_MIN_HOST_QNG;
}
+ }
- adv_async_callback(asc_dvc, intrb_code);
+ if (eep_config.max_dvc_qng > ASC_DEF_MAX_DVC_QNG) {
+ eep_config.max_dvc_qng = ASC_DEF_MAX_DVC_QNG;
+ } else if (eep_config.max_dvc_qng < ASC_DEF_MIN_DVC_QNG) {
+ /* If the value is zero, assume it is uninitialized. */
+ if (eep_config.max_dvc_qng == 0) {
+ eep_config.max_dvc_qng = ASC_DEF_MAX_DVC_QNG;
+ } else {
+ eep_config.max_dvc_qng = ASC_DEF_MIN_DVC_QNG;
+ }
+ }
+
+ /*
+ * If 'max_dvc_qng' is greater than 'max_host_qng', then
+ * set 'max_dvc_qng' to 'max_host_qng'.
+ */
+ if (eep_config.max_dvc_qng > eep_config.max_host_qng) {
+ eep_config.max_dvc_qng = eep_config.max_host_qng;
}
/*
- * Check if the IRQ stopper carrier contains a completed request.
+ * Set ASC_DVC_VAR 'max_host_qng' and ASC_DVC_VAR 'max_dvc_qng'
+ * values based on possibly adjusted EEPROM values.
+ */
+ asc_dvc->max_host_qng = eep_config.max_host_qng;
+ asc_dvc->max_dvc_qng = eep_config.max_dvc_qng;
+
+ /*
+ * If the EEPROM 'termination' field is set to automatic (0), then set
+ * the ASC_DVC_CFG 'termination' field to automatic also.
+ *
+ * If the termination is specified with a non-zero 'termination'
+ * value check that a legal value is set and set the ASC_DVC_CFG
+ * 'termination' field appropriately.
*/
- while (((irq_next_vpa =
- le32_to_cpu(asc_dvc->irq_sp->next_vpa)) & ASC_RQ_DONE) != 0) {
- /*
- * Get a pointer to the newly completed ADV_SCSI_REQ_Q structure.
- * The RISC will have set 'areq_vpa' to a virtual address.
- *
- * The firmware will have copied the ASC_SCSI_REQ_Q.scsiq_ptr
- * field to the carrier ADV_CARR_T.areq_vpa field. The conversion
- * below complements the conversion of ASC_SCSI_REQ_Q.scsiq_ptr'
- * in AdvExeScsiQueue().
- */
- scsiq = (ADV_SCSI_REQ_Q *)
- ADV_U32_TO_VADDR(le32_to_cpu(asc_dvc->irq_sp->areq_vpa));
-
- /*
- * Request finished with good status and the queue was not
- * DMAed to host memory by the firmware. Set all status fields
- * to indicate good status.
- */
- if ((irq_next_vpa & ASC_RQ_GOOD) != 0) {
- scsiq->done_status = QD_NO_ERROR;
- scsiq->host_status = scsiq->scsi_status = 0;
- scsiq->data_cnt = 0L;
- }
+ if (eep_config.termination_se == 0) {
+ termination = 0; /* auto termination for SE */
+ } else {
+ /* Enable manual control with low off / high off. */
+ if (eep_config.termination_se == 1) {
+ termination = 0;
- /*
- * Advance the stopper pointer to the next carrier
- * ignoring the lower four bits. Free the previous
- * stopper carrier.
- */
- free_carrp = asc_dvc->irq_sp;
- asc_dvc->irq_sp = (ADV_CARR_T *)
- ADV_U32_TO_VADDR(ASC_GET_CARRP(irq_next_vpa));
+ /* Enable manual control with low off / high on. */
+ } else if (eep_config.termination_se == 2) {
+ termination = TERM_SE_HI;
- free_carrp->next_vpa =
- cpu_to_le32(ADV_VADDR_TO_U32(asc_dvc->carr_freelist));
- asc_dvc->carr_freelist = free_carrp;
- asc_dvc->carr_pending_cnt--;
+ /* Enable manual control with low on / high on. */
+ } else if (eep_config.termination_se == 3) {
+ termination = TERM_SE;
+ } else {
+ /*
+ * The EEPROM 'termination_se' field contains a bad value.
+ * Use automatic termination instead.
+ */
+ termination = 0;
+ warn_code |= ASC_WARN_EEPROM_TERMINATION;
+ }
+ }
- target_bit = ADV_TID_TO_TIDMASK(scsiq->target_id);
+ if (eep_config.termination_lvd == 0) {
+ asc_dvc->cfg->termination = termination; /* auto termination for LVD */
+ } else {
+ /* Enable manual control with low off / high off. */
+ if (eep_config.termination_lvd == 1) {
+ asc_dvc->cfg->termination = termination;
- /*
- * Clear request microcode control flag.
- */
- scsiq->cntl = 0;
+ /* Enable manual control with low off / high on. */
+ } else if (eep_config.termination_lvd == 2) {
+ asc_dvc->cfg->termination = termination | TERM_LVD_HI;
- /*
- * Notify the driver of the completed request by passing
- * the ADV_SCSI_REQ_Q pointer to its callback function.
- */
- scsiq->a_flag |= ADV_SCSIQ_DONE;
- adv_isr_callback(asc_dvc, scsiq);
- /*
- * Note: After the driver callback function is called, 'scsiq'
- * can no longer be referenced.
- *
- * Fall through and continue processing other completed
- * requests...
- */
+ /* Enable manual control with low on / high on. */
+ } else if (eep_config.termination_lvd == 3) {
+ asc_dvc->cfg->termination = termination | TERM_LVD;
+ } else {
+ /*
+ * The EEPROM 'termination_lvd' field contains a bad value.
+ * Use automatic termination instead.
+ */
+ asc_dvc->cfg->termination = termination;
+ warn_code |= ASC_WARN_EEPROM_TERMINATION;
+ }
}
- return ADV_TRUE;
+
+ return warn_code;
}
/*
- * Send an idle command to the chip and wait for completion.
- *
- * Command completion is polled for once per microsecond.
+ * Initialize the ADV_DVC_VAR structure.
*
- * The function can be called from anywhere including an interrupt handler.
- * But the function is not re-entrant, so it uses the DvcEnter/LeaveCritical()
- * functions to prevent reentrancy.
+ * On failure set the ADV_DVC_VAR field 'err_code' and return ADV_ERROR.
*
- * Return Values:
- * ADV_TRUE - command completed successfully
- * ADV_FALSE - command failed
- * ADV_ERROR - command timed out
+ * For a non-fatal error return a warning code. If there are no warnings
+ * then 0 is returned.
*/
-static int
-AdvSendIdleCmd(ADV_DVC_VAR *asc_dvc,
- ushort idle_cmd, ADV_DCNT idle_cmd_parameter)
+static int __devinit
+AdvInitGetConfig(struct pci_dev *pdev, asc_board_t *boardp)
{
- int result;
- ADV_DCNT i, j;
- AdvPortAddr iop_base;
+ ADV_DVC_VAR *asc_dvc = &boardp->dvc_var.adv_dvc_var;
+ unsigned short warn_code = 0;
+ AdvPortAddr iop_base = asc_dvc->iop_base;
+ u16 cmd;
+ int status;
- iop_base = asc_dvc->iop_base;
+ asc_dvc->err_code = 0;
/*
- * Clear the idle command status which is set by the microcode
- * to a non-zero value to indicate when the command is completed.
- * The non-zero result is one of the IDLE_CMD_STATUS_* values
+ * Save the state of the PCI Configuration Command Register
+ * "Parity Error Response Control" Bit. If the bit is clear (0),
+ * in AdvInitAsc3550/38C0800Driver() tell the microcode to ignore
+ * DMA parity errors.
*/
- AdvWriteWordLram(iop_base, ASC_MC_IDLE_CMD_STATUS, (ushort)0);
+ asc_dvc->cfg->control_flag = 0;
+ pci_read_config_word(pdev, PCI_COMMAND, &cmd);
+ if ((cmd & PCI_COMMAND_PARITY) == 0)
+ asc_dvc->cfg->control_flag |= CONTROL_FLAG_IGNORE_PERR;
- /*
- * Write the idle command value after the idle command parameter
- * has been written to avoid a race condition. If the order is not
- * followed, the microcode may process the idle command before the
- * parameters have been written to LRAM.
- */
- AdvWriteDWordLramNoSwap(iop_base, ASC_MC_IDLE_CMD_PARAMETER,
- cpu_to_le32(idle_cmd_parameter));
- AdvWriteWordLram(iop_base, ASC_MC_IDLE_CMD, idle_cmd);
+ asc_dvc->cfg->lib_version = (ADV_LIB_VERSION_MAJOR << 8) |
+ ADV_LIB_VERSION_MINOR;
+ asc_dvc->cfg->chip_version =
+ AdvGetChipVersion(iop_base, asc_dvc->bus_type);
+
+ ASC_DBG2(1, "AdvInitGetConfig: iopb_chip_id_1: 0x%x 0x%x\n",
+ (ushort)AdvReadByteRegister(iop_base, IOPB_CHIP_ID_1),
+ (ushort)ADV_CHIP_ID_BYTE);
+
+ ASC_DBG2(1, "AdvInitGetConfig: iopw_chip_id_0: 0x%x 0x%x\n",
+ (ushort)AdvReadWordRegister(iop_base, IOPW_CHIP_ID_0),
+ (ushort)ADV_CHIP_ID_WORD);
/*
- * Tickle the RISC to tell it to process the idle command.
+ * Reset the chip to start and allow register writes.
*/
- AdvWriteByteRegister(iop_base, IOPB_TICKLE, ADV_TICKLE_B);
- if (asc_dvc->chip_type == ADV_CHIP_ASC3550) {
+ if (AdvFindSignature(iop_base) == 0) {
+ asc_dvc->err_code = ASC_IERR_BAD_SIGNATURE;
+ return ADV_ERROR;
+ } else {
/*
- * Clear the tickle value. In the ASC-3550 the RISC flag
- * command 'clr_tickle_b' does not work unless the host
- * value is cleared.
+ * The caller must set 'chip_type' to a valid setting.
*/
- AdvWriteByteRegister(iop_base, IOPB_TICKLE, ADV_TICKLE_NOP);
- }
+ if (asc_dvc->chip_type != ADV_CHIP_ASC3550 &&
+ asc_dvc->chip_type != ADV_CHIP_ASC38C0800 &&
+ asc_dvc->chip_type != ADV_CHIP_ASC38C1600) {
+ asc_dvc->err_code |= ASC_IERR_BAD_CHIPTYPE;
+ return ADV_ERROR;
+ }
- /* Wait for up to 100 millisecond for the idle command to timeout. */
- for (i = 0; i < SCSI_WAIT_100_MSEC; i++) {
- /* Poll once each microsecond for command completion. */
- for (j = 0; j < SCSI_US_PER_MSEC; j++) {
- AdvReadWordLram(iop_base, ASC_MC_IDLE_CMD_STATUS,
- result);
- if (result != 0)
- return result;
- udelay(1);
+ /*
+ * Reset Chip.
+ */
+ AdvWriteWordRegister(iop_base, IOPW_CTRL_REG,
+ ADV_CTRL_REG_CMD_RESET);
+ mdelay(100);
+ AdvWriteWordRegister(iop_base, IOPW_CTRL_REG,
+ ADV_CTRL_REG_CMD_WR_IO_REG);
+
+ if (asc_dvc->chip_type == ADV_CHIP_ASC38C1600) {
+ status = AdvInitFrom38C1600EEP(asc_dvc);
+ } else if (asc_dvc->chip_type == ADV_CHIP_ASC38C0800) {
+ status = AdvInitFrom38C0800EEP(asc_dvc);
+ } else {
+ status = AdvInitFrom3550EEP(asc_dvc);
}
+ warn_code |= status;
}
- BUG(); /* The idle command should never timeout. */
- return ADV_ERROR;
+ if (warn_code != 0) {
+ ASC_PRINT2("AdvInitGetConfig: board %d: warning: 0x%x\n",
+ boardp->id, warn_code);
+ }
+
+ if (asc_dvc->err_code) {
+ ASC_PRINT2("AdvInitGetConfig: board %d error: err_code 0x%x\n",
+ boardp->id, asc_dvc->err_code);
+ }
+
+ return asc_dvc->err_code;
}
+#endif
+
+static struct scsi_host_template advansys_template = {
+ .proc_name = DRV_NAME,
+#ifdef CONFIG_PROC_FS
+ .proc_info = advansys_proc_info,
+#endif
+ .name = DRV_NAME,
+ .info = advansys_info,
+ .queuecommand = advansys_queuecommand,
+ .eh_bus_reset_handler = advansys_reset,
+ .bios_param = advansys_biosparam,
+ .slave_configure = advansys_slave_configure,
+ /*
+ * Because the driver may control an ISA adapter 'unchecked_isa_dma'
+ * must be set. The flag will be cleared in advansys_board_found
+ * for non-ISA adapters.
+ */
+ .unchecked_isa_dma = 1,
+ /*
+ * All adapters controlled by this driver are capable of large
+ * scatter-gather lists. According to the mid-level SCSI documentation
+ * this obviates any performance gain provided by setting
+ * 'use_clustering'. But empirically while CPU utilization is increased
+ * by enabling clustering, I/O throughput increases as well.
+ */
+ .use_clustering = ENABLE_CLUSTERING,
+};
static int __devinit
advansys_wide_init_chip(asc_board_t *boardp, ADV_DVC_VAR *adv_dvc_varp)
git.samba.org / sfrench / cifs-2.6.git / commitdiff