--- /dev/null
+/*
+ * include/asm-mips/mach-au1x00/au1xxx_ide.h version 01.30.00 Aug. 02 2005
+ *
+ * BRIEF MODULE DESCRIPTION
+ * AMD Alchemy Au1xxx IDE interface routines over the Static Bus
+ *
+ * Copyright (c) 2003-2005 AMD, Personal Connectivity Solutions
+ *
+ * This program is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License as published by the Free Software
+ * Foundation; either version 2 of the License, or (at your option) any later
+ * version.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * Note: for more information, please refer "AMD Alchemy Au1200/Au1550 IDE
+ * Interface and Linux Device Driver" Application Note.
+ */
+#include <linux/config.h>
+
+#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
+ #define DMA_WAIT_TIMEOUT 100
+ #define NUM_DESCRIPTORS PRD_ENTRIES
+#else /* CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA */
+ #define NUM_DESCRIPTORS 2
+#endif
+
+#ifndef AU1XXX_ATA_RQSIZE
+ #define AU1XXX_ATA_RQSIZE 128
+#endif
+
+/* Disable Burstable-Support for DBDMA */
+#ifndef CONFIG_BLK_DEV_IDE_AU1XXX_BURSTABLE_ON
+ #define CONFIG_BLK_DEV_IDE_AU1XXX_BURSTABLE_ON 0
+#endif
+
+#ifdef CONFIG_PM
+/*
+* This will enable the device to be powered up when write() or read()
+* is called. If this is not defined, the driver will return -EBUSY.
+*/
+#define WAKE_ON_ACCESS 1
+
+typedef struct
+{
+ spinlock_t lock; /* Used to block on state transitions */
+ au1xxx_power_dev_t *dev; /* Power Managers device structure */
+ unsigned stopped; /* USed to signaling device is stopped */
+} pm_state;
+#endif
+
+
+typedef struct
+{
+ u32 tx_dev_id, rx_dev_id, target_dev_id;
+ u32 tx_chan, rx_chan;
+ void *tx_desc_head, *rx_desc_head;
+ ide_hwif_t *hwif;
+#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
+ ide_drive_t *drive;
+ u8 white_list, black_list;
+ struct dbdma_cmd *dma_table_cpu;
+ dma_addr_t dma_table_dma;
+ struct scatterlist *sg_table;
+ int sg_nents;
+ int sg_dma_direction;
+#endif
+ struct device *dev;
+ int irq;
+ u32 regbase;
+#ifdef CONFIG_PM
+ pm_state pm;
+#endif
+} _auide_hwif;
+
+#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
+struct drive_list_entry {
+ const char * id_model;
+ const char * id_firmware;
+};
+
+/* HD white list */
+static const struct drive_list_entry dma_white_list [] = {
+/*
+ * Hitachi
+ */
+ { "HITACHI_DK14FA-20" , "ALL" },
+ { "HTS726060M9AT00" , "ALL" },
+/*
+ * Maxtor
+ */
+ { "Maxtor 6E040L0" , "ALL" },
+ { "Maxtor 6Y080P0" , "ALL" },
+ { "Maxtor 6Y160P0" , "ALL" },
+/*
+ * Seagate
+ */
+ { "ST3120026A" , "ALL" },
+ { "ST320014A" , "ALL" },
+ { "ST94011A" , "ALL" },
+ { "ST340016A" , "ALL" },
+/*
+ * Western Digital
+ */
+ { "WDC WD400UE-00HCT0" , "ALL" },
+ { "WDC WD400JB-00JJC0" , "ALL" },
+ { NULL , NULL }
+};
+
+/* HD black list */
+static const struct drive_list_entry dma_black_list [] = {
+/*
+ * Western Digital
+ */
+ { "WDC WD100EB-00CGH0" , "ALL" },
+ { "WDC WD200BB-00AUA1" , "ALL" },
+ { "WDC AC24300L" , "ALL" },
+ { NULL , NULL }
+};
+#endif
+
+/* function prototyping */
+u8 auide_inb(unsigned long port);
+u16 auide_inw(unsigned long port);
+u32 auide_inl(unsigned long port);
+void auide_insw(unsigned long port, void *addr, u32 count);
+void auide_insl(unsigned long port, void *addr, u32 count);
+void auide_outb(u8 addr, unsigned long port);
+void auide_outbsync(ide_drive_t *drive, u8 addr, unsigned long port);
+void auide_outw(u16 addr, unsigned long port);
+void auide_outl(u32 addr, unsigned long port);
+void auide_outsw(unsigned long port, void *addr, u32 count);
+void auide_outsl(unsigned long port, void *addr, u32 count);
+static void auide_tune_drive(ide_drive_t *drive, byte pio);
+static int auide_tune_chipset (ide_drive_t *drive, u8 speed);
+static int auide_ddma_init( _auide_hwif *auide );
+static void auide_setup_ports(hw_regs_t *hw, _auide_hwif *ahwif);
+int __init auide_probe(void);
+
+#ifdef CONFIG_PM
+ int au1200ide_pm_callback( au1xxx_power_dev_t *dev,
+ au1xxx_request_t request, void *data);
+ static int au1xxxide_pm_standby( au1xxx_power_dev_t *dev );
+ static int au1xxxide_pm_sleep( au1xxx_power_dev_t *dev );
+ static int au1xxxide_pm_resume( au1xxx_power_dev_t *dev );
+ static int au1xxxide_pm_getstatus( au1xxx_power_dev_t *dev );
+ static int au1xxxide_pm_access( au1xxx_power_dev_t *dev );
+ static int au1xxxide_pm_idle( au1xxx_power_dev_t *dev );
+ static int au1xxxide_pm_cleanup( au1xxx_power_dev_t *dev );
+#endif
+
+
+/*
+ * Multi-Word DMA + DbDMA functions
+ */
+#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
+
+ static int in_drive_list(struct hd_driveid *id,
+ const struct drive_list_entry *drive_table);
+ static int auide_build_sglist(ide_drive_t *drive, struct request *rq);
+ static int auide_build_dmatable(ide_drive_t *drive);
+ static int auide_dma_end(ide_drive_t *drive);
+ static void auide_dma_start(ide_drive_t *drive );
+ ide_startstop_t auide_dma_intr (ide_drive_t *drive);
+ static void auide_dma_exec_cmd(ide_drive_t *drive, u8 command);
+ static int auide_dma_setup(ide_drive_t *drive);
+ static int auide_dma_check(ide_drive_t *drive);
+ static int auide_dma_test_irq(ide_drive_t *drive);
+ static int auide_dma_host_off(ide_drive_t *drive);
+ static int auide_dma_host_on(ide_drive_t *drive);
+ static int auide_dma_lostirq(ide_drive_t *drive);
+ static int auide_dma_on(ide_drive_t *drive);
+ static void auide_ddma_tx_callback(int irq, void *param,
+ struct pt_regs *regs);
+ static void auide_ddma_rx_callback(int irq, void *param,
+ struct pt_regs *regs);
+ static int auide_dma_off_quietly(ide_drive_t *drive);
+ static int auide_dma_timeout(ide_drive_t *drive);
+
+#endif /* end CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA */
+
+/*******************************************************************************
+* PIO Mode timing calculation : *
+* *
+* Static Bus Spec ATA Spec *
+* Tcsoe = t1 *
+* Toecs = t9 *
+* Twcs = t9 *
+* Tcsh = t2i | t2 *
+* Tcsoff = t2i | t2 *
+* Twp = t2 *
+* Tcsw = t1 *
+* Tpm = 0 *
+* Ta = t1+t2 *
+*******************************************************************************/
+
+#define TCSOE_MASK (0x07<<29)
+#define TOECS_MASK (0x07<<26)
+#define TWCS_MASK (0x07<<28)
+#define TCSH_MASK (0x0F<<24)
+#define TCSOFF_MASK (0x07<<20)
+#define TWP_MASK (0x3F<<14)
+#define TCSW_MASK (0x0F<<10)
+#define TPM_MASK (0x0F<<6)
+#define TA_MASK (0x3F<<0)
+#define TS_MASK (1<<8)
+
+/* Timing parameters PIO mode 0 */
+#define SBC_IDE_PIO0_TCSOE (0x04<<29)
+#define SBC_IDE_PIO0_TOECS (0x01<<26)
+#define SBC_IDE_PIO0_TWCS (0x02<<28)
+#define SBC_IDE_PIO0_TCSH (0x08<<24)
+#define SBC_IDE_PIO0_TCSOFF (0x07<<20)
+#define SBC_IDE_PIO0_TWP (0x10<<14)
+#define SBC_IDE_PIO0_TCSW (0x04<<10)
+#define SBC_IDE_PIO0_TPM (0x0<<6)
+#define SBC_IDE_PIO0_TA (0x15<<0)
+/* Timing parameters PIO mode 1 */
+#define SBC_IDE_PIO1_TCSOE (0x03<<29)
+#define SBC_IDE_PIO1_TOECS (0x01<<26)
+#define SBC_IDE_PIO1_TWCS (0x01<<28)
+#define SBC_IDE_PIO1_TCSH (0x06<<24)
+#define SBC_IDE_PIO1_TCSOFF (0x06<<20)
+#define SBC_IDE_PIO1_TWP (0x08<<14)
+#define SBC_IDE_PIO1_TCSW (0x03<<10)
+#define SBC_IDE_PIO1_TPM (0x00<<6)
+#define SBC_IDE_PIO1_TA (0x0B<<0)
+/* Timing parameters PIO mode 2 */
+#define SBC_IDE_PIO2_TCSOE (0x05<<29)
+#define SBC_IDE_PIO2_TOECS (0x01<<26)
+#define SBC_IDE_PIO2_TWCS (0x01<<28)
+#define SBC_IDE_PIO2_TCSH (0x07<<24)
+#define SBC_IDE_PIO2_TCSOFF (0x07<<20)
+#define SBC_IDE_PIO2_TWP (0x1F<<14)
+#define SBC_IDE_PIO2_TCSW (0x05<<10)
+#define SBC_IDE_PIO2_TPM (0x00<<6)
+#define SBC_IDE_PIO2_TA (0x22<<0)
+/* Timing parameters PIO mode 3 */
+#define SBC_IDE_PIO3_TCSOE (0x05<<29)
+#define SBC_IDE_PIO3_TOECS (0x01<<26)
+#define SBC_IDE_PIO3_TWCS (0x01<<28)
+#define SBC_IDE_PIO3_TCSH (0x0D<<24)
+#define SBC_IDE_PIO3_TCSOFF (0x0D<<20)
+#define SBC_IDE_PIO3_TWP (0x15<<14)
+#define SBC_IDE_PIO3_TCSW (0x05<<10)
+#define SBC_IDE_PIO3_TPM (0x00<<6)
+#define SBC_IDE_PIO3_TA (0x1A<<0)
+/* Timing parameters PIO mode 4 */
+#define SBC_IDE_PIO4_TCSOE (0x04<<29)
+#define SBC_IDE_PIO4_TOECS (0x01<<26)
+#define SBC_IDE_PIO4_TWCS (0x01<<28)
+#define SBC_IDE_PIO4_TCSH (0x04<<24)
+#define SBC_IDE_PIO4_TCSOFF (0x04<<20)
+#define SBC_IDE_PIO4_TWP (0x0D<<14)
+#define SBC_IDE_PIO4_TCSW (0x03<<10)
+#define SBC_IDE_PIO4_TPM (0x00<<6)
+#define SBC_IDE_PIO4_TA (0x12<<0)
+/* Timing parameters MDMA mode 0 */
+#define SBC_IDE_MDMA0_TCSOE (0x03<<29)
+#define SBC_IDE_MDMA0_TOECS (0x01<<26)
+#define SBC_IDE_MDMA0_TWCS (0x01<<28)
+#define SBC_IDE_MDMA0_TCSH (0x07<<24)
+#define SBC_IDE_MDMA0_TCSOFF (0x07<<20)
+#define SBC_IDE_MDMA0_TWP (0x0C<<14)
+#define SBC_IDE_MDMA0_TCSW (0x03<<10)
+#define SBC_IDE_MDMA0_TPM (0x00<<6)
+#define SBC_IDE_MDMA0_TA (0x0F<<0)
+/* Timing parameters MDMA mode 1 */
+#define SBC_IDE_MDMA1_TCSOE (0x05<<29)
+#define SBC_IDE_MDMA1_TOECS (0x01<<26)
+#define SBC_IDE_MDMA1_TWCS (0x01<<28)
+#define SBC_IDE_MDMA1_TCSH (0x05<<24)
+#define SBC_IDE_MDMA1_TCSOFF (0x05<<20)
+#define SBC_IDE_MDMA1_TWP (0x0F<<14)
+#define SBC_IDE_MDMA1_TCSW (0x05<<10)
+#define SBC_IDE_MDMA1_TPM (0x00<<6)
+#define SBC_IDE_MDMA1_TA (0x15<<0)
+/* Timing parameters MDMA mode 2 */
+#define SBC_IDE_MDMA2_TCSOE (0x04<<29)
+#define SBC_IDE_MDMA2_TOECS (0x01<<26)
+#define SBC_IDE_MDMA2_TWCS (0x01<<28)
+#define SBC_IDE_MDMA2_TCSH (0x04<<24)
+#define SBC_IDE_MDMA2_TCSOFF (0x04<<20)
+#define SBC_IDE_MDMA2_TWP (0x0D<<14)
+#define SBC_IDE_MDMA2_TCSW (0x04<<10)
+#define SBC_IDE_MDMA2_TPM (0x00<<6)
+#define SBC_IDE_MDMA2_TA (0x12<<0)
+
git.samba.org / sfrench / cifs-2.6.git / blobdiff