[libata sata_promise] Do not attempt to use SATA phy on PATA controllers

[sfrench/cifs-2.6.git] / drivers / scsi / sata_promise.c

diff --git a/drivers/scsi/sata_promise.c b/drivers/scsi/sata_promise.c
index c4e9e0298122334c272c4a33569d34fc6bee42be..ad31b8afec6fc6050f55cd79382a836e5227c348 100644 (file)
--- a/drivers/scsi/sata_promise.c
+++ b/drivers/scsi/sata_promise.c
@@ -40,7 +40,7 @@
 #include "sata_promise.h"
 
 #define DRV_NAME       "sata_promise"
-#define DRV_VERSION    "1.01"
+#define DRV_VERSION    "1.02"
 
 
 enum {
@@ -59,6 +59,7 @@ enum {
 
        board_2037x             = 0,    /* FastTrak S150 TX2plus */
        board_20319             = 1,    /* FastTrak S150 TX4 */
+       board_20619             = 2,    /* FastTrak TX4000 */
 
        PDC_HAS_PATA            = (1 << 1), /* PDC20375 has PATA */
 
@@ -78,7 +79,8 @@ static irqreturn_t pdc_interrupt (int irq, void *dev_instance, struct pt_regs *r
 static void pdc_eng_timeout(struct ata_port *ap);
 static int pdc_port_start(struct ata_port *ap);
 static void pdc_port_stop(struct ata_port *ap);
-static void pdc_phy_reset(struct ata_port *ap);
+static void pdc_pata_phy_reset(struct ata_port *ap);
+static void pdc_sata_phy_reset(struct ata_port *ap);
 static void pdc_qc_prep(struct ata_queued_cmd *qc);
 static void pdc_tf_load_mmio(struct ata_port *ap, struct ata_taskfile *tf);
 static void pdc_exec_command_mmio(struct ata_port *ap, struct ata_taskfile *tf);
@@ -105,23 +107,48 @@ static Scsi_Host_Template pdc_ata_sht = {
        .ordered_flush          = 1,
 };
 
-static struct ata_port_operations pdc_ata_ops = {
+static struct ata_port_operations pdc_sata_ops = {
        .port_disable           = ata_port_disable,
        .tf_load                = pdc_tf_load_mmio,
        .tf_read                = ata_tf_read,
        .check_status           = ata_check_status,
        .exec_command           = pdc_exec_command_mmio,
        .dev_select             = ata_std_dev_select,
-       .phy_reset              = pdc_phy_reset,
+
+       .phy_reset              = pdc_sata_phy_reset,
+
        .qc_prep                = pdc_qc_prep,
        .qc_issue               = pdc_qc_issue_prot,
        .eng_timeout            = pdc_eng_timeout,
        .irq_handler            = pdc_interrupt,
        .irq_clear              = pdc_irq_clear,
+
        .scr_read               = pdc_sata_scr_read,
        .scr_write              = pdc_sata_scr_write,
        .port_start             = pdc_port_start,
        .port_stop              = pdc_port_stop,
+       .host_stop              = ata_host_stop,
+};
+
+static struct ata_port_operations pdc_pata_ops = {
+       .port_disable           = ata_port_disable,
+       .tf_load                = pdc_tf_load_mmio,
+       .tf_read                = ata_tf_read,
+       .check_status           = ata_check_status,
+       .exec_command           = pdc_exec_command_mmio,
+       .dev_select             = ata_std_dev_select,
+
+       .phy_reset              = pdc_pata_phy_reset,
+
+       .qc_prep                = pdc_qc_prep,
+       .qc_issue               = pdc_qc_issue_prot,
+       .eng_timeout            = pdc_eng_timeout,
+       .irq_handler            = pdc_interrupt,
+       .irq_clear              = pdc_irq_clear,
+
+       .port_start             = pdc_port_start,
+       .port_stop              = pdc_port_stop,
+       .host_stop              = ata_host_stop,
 };
 
 static struct ata_port_info pdc_port_info[] = {
@@ -133,7 +160,7 @@ static struct ata_port_info pdc_port_info[] = {
                .pio_mask       = 0x1f, /* pio0-4 */
                .mwdma_mask     = 0x07, /* mwdma0-2 */
                .udma_mask      = 0x7f, /* udma0-6 ; FIXME */
-               .port_ops       = &pdc_ata_ops,
+               .port_ops       = &pdc_sata_ops,
        },
 
        /* board_20319 */
@@ -144,7 +171,18 @@ static struct ata_port_info pdc_port_info[] = {
                .pio_mask       = 0x1f, /* pio0-4 */
                .mwdma_mask     = 0x07, /* mwdma0-2 */
                .udma_mask      = 0x7f, /* udma0-6 ; FIXME */
-               .port_ops       = &pdc_ata_ops,
+               .port_ops       = &pdc_sata_ops,
+       },
+
+       /* board_20619 */
+       {
+               .sht            = &pdc_ata_sht,
+               .host_flags     = ATA_FLAG_NO_LEGACY | ATA_FLAG_SRST |
+                                 ATA_FLAG_MMIO | ATA_FLAG_SLAVE_POSS,
+               .pio_mask       = 0x1f, /* pio0-4 */
+               .mwdma_mask     = 0x07, /* mwdma0-2 */
+               .udma_mask      = 0x7f, /* udma0-6 ; FIXME */
+               .port_ops       = &pdc_pata_ops,
        },
 };
 
@@ -171,6 +209,9 @@ static struct pci_device_id pdc_ata_pci_tbl[] = {
        { PCI_VENDOR_ID_PROMISE, 0x3d18, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
          board_20319 },
 
+       { PCI_VENDOR_ID_PROMISE, 0x6629, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+         board_20619 },
+
        { }     /* terminate list */
 };
 
@@ -252,12 +293,23 @@ static void pdc_reset_port(struct ata_port *ap)
        readl(mmio);    /* flush */
 }
 
-static void pdc_phy_reset(struct ata_port *ap)
+static void pdc_sata_phy_reset(struct ata_port *ap)
 {
        pdc_reset_port(ap);
        sata_phy_reset(ap);
 }
 
+static void pdc_pata_phy_reset(struct ata_port *ap)
+{
+       /* FIXME: add cable detect.  Don't assume 40-pin cable */
+       ap->cbl = ATA_CBL_PATA40;
+       ap->udma_mask &= ATA_UDMA_MASK_40C;
+
+       pdc_reset_port(ap);
+       ata_port_probe(ap);
+       ata_bus_reset(ap);
+}
+
 static u32 pdc_sata_scr_read (struct ata_port *ap, unsigned int sc_reg)
 {
        if (sc_reg > SCR_CONTROL)
@@ -635,6 +687,15 @@ static int pdc_ata_init_one (struct pci_dev *pdev, const struct pci_device_id *e
        case board_2037x:
                        probe_ent->n_ports = 2;
                break;
+       case board_20619:
+               probe_ent->n_ports = 4;
+
+               pdc_ata_setup_port(&probe_ent->port[2], base + 0x300);
+               pdc_ata_setup_port(&probe_ent->port[3], base + 0x380);
+
+               probe_ent->port[2].scr_addr = base + 0x600;
+               probe_ent->port[3].scr_addr = base + 0x700;
+                break;
        default:
                BUG();
                break;
@@ -675,7 +736,7 @@ static void __exit pdc_ata_exit(void)
 
 
 MODULE_AUTHOR("Jeff Garzik");
-MODULE_DESCRIPTION("Promise SATA TX2/TX4 low-level driver");
+MODULE_DESCRIPTION("Promise ATA TX2/TX4/TX4000 low-level driver");
 MODULE_LICENSE("GPL");
 MODULE_DEVICE_TABLE(pci, pdc_ata_pci_tbl);
 MODULE_VERSION(DRV_VERSION);