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Diffstat (limited to 'include/asm-mips/mach-au1x00/au1xxx_ide.h')
| -rw-r--r-- | include/asm-mips/mach-au1x00/au1xxx_ide.h | 301 |
1 files changed, 301 insertions, 0 deletions
diff --git a/include/asm-mips/mach-au1x00/au1xxx_ide.h b/include/asm-mips/mach-au1x00/au1xxx_ide.h new file mode 100644 index 0000000..33d275c --- /dev/null +++ b/include/asm-mips/mach-au1x00/au1xxx_ide.h @@ -0,0 +1,301 @@ +/* + * 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) + |
