diff options
Diffstat (limited to 'include/linux/ide.h')
| -rw-r--r-- | include/linux/ide.h | 515 |
1 files changed, 210 insertions, 305 deletions
diff --git a/include/linux/ide.h b/include/linux/ide.h index 4ed4777bba67..acec99da832d 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -9,7 +9,6 @@ #include <linux/init.h> #include <linux/ioport.h> #include <linux/hdreg.h> -#include <linux/hdsmart.h> #include <linux/blkdev.h> #include <linux/proc_fs.h> #include <linux/interrupt.h> @@ -27,25 +26,10 @@ #include <asm/semaphore.h> #include <asm/mutex.h> -/****************************************************************************** - * IDE driver configuration options (play with these as desired): - * - * REALLY_SLOW_IO can be defined in ide.c and ide-cd.c, if necessary - */ -#define INITIAL_MULT_COUNT 0 /* off=0; on=2,4,8,16,32, etc.. */ - -#ifndef SUPPORT_SLOW_DATA_PORTS /* 1 to support slow data ports */ -#define SUPPORT_SLOW_DATA_PORTS 1 /* 0 to reduce kernel size */ -#endif -#ifndef SUPPORT_VLB_SYNC /* 1 to support weird 32-bit chips */ -#define SUPPORT_VLB_SYNC 1 /* 0 to reduce kernel size */ -#endif -#ifndef OK_TO_RESET_CONTROLLER /* 1 needed for good error recovery */ -#define OK_TO_RESET_CONTROLLER 1 /* 0 for use with AH2372A/B interface */ -#endif - -#ifndef DISABLE_IRQ_NOSYNC -#define DISABLE_IRQ_NOSYNC 0 +#if defined(CRIS) || defined(FRV) +# define SUPPORT_VLB_SYNC 0 +#else +# define SUPPORT_VLB_SYNC 1 #endif /* @@ -55,10 +39,6 @@ #define IDE_NO_IRQ (-1) -/* - * "No user-serviceable parts" beyond this point :) - *****************************************************************************/ - typedef unsigned char byte; /* used everywhere */ /* @@ -103,8 +83,6 @@ typedef unsigned char byte; /* used everywhere */ #define IDE_FEATURE_OFFSET IDE_ERROR_OFFSET #define IDE_COMMAND_OFFSET IDE_STATUS_OFFSET -#define IDE_CONTROL_OFFSET_HOB (7) - #define IDE_DATA_REG (HWIF(drive)->io_ports[IDE_DATA_OFFSET]) #define IDE_ERROR_REG (HWIF(drive)->io_ports[IDE_ERROR_OFFSET]) #define IDE_NSECTOR_REG (HWIF(drive)->io_ports[IDE_NSECTOR_OFFSET]) @@ -128,25 +106,14 @@ typedef unsigned char byte; /* used everywhere */ #define BAD_W_STAT (BAD_R_STAT | WRERR_STAT) #define BAD_STAT (BAD_R_STAT | DRQ_STAT) #define DRIVE_READY (READY_STAT | SEEK_STAT) -#define DATA_READY (DRQ_STAT) #define BAD_CRC (ABRT_ERR | ICRC_ERR) #define SATA_NR_PORTS (3) /* 16 possible ?? */ #define SATA_STATUS_OFFSET (0) -#define SATA_STATUS_REG (HWIF(drive)->sata_scr[SATA_STATUS_OFFSET]) #define SATA_ERROR_OFFSET (1) -#define SATA_ERROR_REG (HWIF(drive)->sata_scr[SATA_ERROR_OFFSET]) #define SATA_CONTROL_OFFSET (2) -#define SATA_CONTROL_REG (HWIF(drive)->sata_scr[SATA_CONTROL_OFFSET]) - -#define SATA_MISC_OFFSET (0) -#define SATA_MISC_REG (HWIF(drive)->sata_misc[SATA_MISC_OFFSET]) -#define SATA_PHY_OFFSET (1) -#define SATA_PHY_REG (HWIF(drive)->sata_misc[SATA_PHY_OFFSET]) -#define SATA_IEN_OFFSET (2) -#define SATA_IEN_REG (HWIF(drive)->sata_misc[SATA_IEN_OFFSET]) /* * Our Physical Region Descriptor (PRD) table should be large enough @@ -202,7 +169,7 @@ enum { ide_unknown, ide_generic, ide_pci, ide_rz1000, ide_trm290, ide_cmd646, ide_cy82c693, ide_4drives, ide_pmac, ide_etrax100, ide_acorn, - ide_au1xxx, ide_forced + ide_au1xxx, ide_palm3710, ide_forced }; typedef u8 hwif_chipset_t; @@ -219,21 +186,14 @@ typedef struct hw_regs_s { } hw_regs_t; struct hwif_s * ide_find_port(unsigned long); +struct hwif_s *ide_deprecated_find_port(unsigned long); +void ide_init_port_data(struct hwif_s *, unsigned int); +void ide_init_port_hw(struct hwif_s *, hw_regs_t *); -int ide_register_hw(hw_regs_t *, void (*)(struct hwif_s *), int, +struct ide_drive_s; +int ide_register_hw(hw_regs_t *, void (*)(struct ide_drive_s *), struct hwif_s **); -void ide_setup_ports( hw_regs_t *hw, - unsigned long base, - int *offsets, - unsigned long ctrl, - unsigned long intr, - ide_ack_intr_t *ack_intr, -#if 0 - ide_io_ops_t *iops, -#endif - int irq); - static inline void ide_std_init_ports(hw_regs_t *hw, unsigned long io_addr, unsigned long ctl_addr) @@ -327,47 +287,16 @@ static inline void ide_init_hwif_ports(hw_regs_t *hw, typedef union { unsigned all : 8; struct { -#if defined(__LITTLE_ENDIAN_BITFIELD) unsigned set_geometry : 1; unsigned recalibrate : 1; unsigned set_multmode : 1; unsigned set_tune : 1; unsigned serviced : 1; unsigned reserved : 3; -#elif defined(__BIG_ENDIAN_BITFIELD) - unsigned reserved : 3; - unsigned serviced : 1; - unsigned set_tune : 1; - unsigned set_multmode : 1; - unsigned recalibrate : 1; - unsigned set_geometry : 1; -#else -#error "Please fix <asm/byteorder.h>" -#endif } b; } special_t; /* - * ATA DATA Register Special. - * ATA NSECTOR Count Register(). - * ATAPI Byte Count Register. - */ -typedef union { - unsigned all :16; - struct { -#if defined(__LITTLE_ENDIAN_BITFIELD) - unsigned low :8; /* LSB */ - unsigned high :8; /* MSB */ -#elif defined(__BIG_ENDIAN_BITFIELD) - unsigned high :8; /* MSB */ - unsigned low :8; /* LSB */ -#else -#error "Please fix <asm/byteorder.h>" -#endif - } b; -} ata_nsector_t, ata_data_t, atapi_bcount_t; - -/* * ATA-IDE Select Register, aka Device-Head * * head : always zeros here @@ -398,131 +327,6 @@ typedef union { } select_t, ata_select_t; /* - * The ATA-IDE Status Register. - * The ATAPI Status Register. - * - * check : Error occurred - * idx : Index Error - * corr : Correctable error occurred - * drq : Data is request by the device - * dsc : Disk Seek Complete : ata - * : Media access command finished : atapi - * df : Device Fault : ata - * : Reserved : atapi - * drdy : Ready, Command Mode Capable : ata - * : Ignored for ATAPI commands : atapi - * bsy : Disk is Busy - * : The device has access to the command block - */ -typedef union { - unsigned all :8; - struct { -#if defined(__LITTLE_ENDIAN_BITFIELD) - unsigned check :1; - unsigned idx :1; - unsigned corr :1; - unsigned drq :1; - unsigned dsc :1; - unsigned df :1; - unsigned drdy :1; - unsigned bsy :1; -#elif defined(__BIG_ENDIAN_BITFIELD) - unsigned bsy :1; - unsigned drdy :1; - unsigned df :1; - unsigned dsc :1; - unsigned drq :1; - unsigned corr :1; - unsigned idx :1; - unsigned check :1; -#else -#error "Please fix <asm/byteorder.h>" -#endif - } b; -} ata_status_t, atapi_status_t; - -/* - * ATAPI Feature Register - * - * dma : Using DMA or PIO - * reserved321 : Reserved - * reserved654 : Reserved (Tag Type) - * reserved7 : Reserved - */ -typedef union { - unsigned all :8; - struct { -#if defined(__LITTLE_ENDIAN_BITFIELD) - unsigned dma :1; - unsigned reserved321 :3; - unsigned reserved654 :3; - unsigned reserved7 :1; -#elif defined(__BIG_ENDIAN_BITFIELD) - unsigned reserved7 :1; - unsigned reserved654 :3; - unsigned reserved321 :3; - unsigned dma :1; -#else -#error "Please fix <asm/byteorder.h>" -#endif - } b; -} atapi_feature_t; - -/* - * ATAPI Interrupt Reason Register. - * - * cod : Information transferred is command (1) or data (0) - * io : The device requests us to read (1) or write (0) - * reserved : Reserved - */ -typedef union { - unsigned all :8; - struct { -#if defined(__LITTLE_ENDIAN_BITFIELD) - unsigned cod :1; - unsigned io :1; - unsigned reserved :6; -#elif defined(__BIG_ENDIAN_BITFIELD) - unsigned reserved :6; - unsigned io :1; - unsigned cod :1; -#else -#error "Please fix <asm/byteorder.h>" -#endif - } b; -} atapi_ireason_t; - -/* - * The ATAPI error register. - * - * ili : Illegal Length Indication - * eom : End Of Media Detected - * abrt : Aborted command - As defined by ATA - * mcr : Media Change Requested - As defined by ATA - * sense_key : Sense key of the last failed packet command - */ -typedef union { - unsigned all :8; - struct { -#if defined(__LITTLE_ENDIAN_BITFIELD) - unsigned ili :1; - unsigned eom :1; - unsigned abrt :1; - unsigned mcr :1; - unsigned sense_key :4; -#elif defined(__BIG_ENDIAN_BITFIELD) - unsigned sense_key :4; - unsigned mcr :1; - unsigned abrt :1; - unsigned eom :1; - unsigned ili :1; -#else -#error "Please fix <asm/byteorder.h>" -#endif - } b; -} atapi_error_t; - -/* * Status returned from various ide_ functions */ typedef enum { @@ -568,7 +372,6 @@ typedef struct ide_drive_s { u8 state; /* retry state */ u8 waiting_for_dma; /* dma currently in progress */ u8 unmask; /* okay to unmask other irqs */ - u8 bswap; /* byte swap data */ u8 noflush; /* don't attempt flushes */ u8 dsc_overlap; /* DSC overlap */ u8 nice1; /* give potential excess bandwidth */ @@ -583,8 +386,6 @@ typedef struct ide_drive_s { unsigned no_unmask : 1; /* disallow setting unmask bit */ unsigned no_io_32bit : 1; /* disallow enabling 32bit I/O */ unsigned atapi_overlap : 1; /* ATAPI overlap (not supported) */ - unsigned nice0 : 1; /* give obvious excess bandwidth */ - unsigned nice2 : 1; /* give a share in our own bandwidth */ unsigned doorlocking : 1; /* for removable only: door lock/unlock works */ unsigned nodma : 1; /* disallow DMA */ unsigned autotune : 2; /* 0=default, 1=autotune, 2=noautotune */ @@ -657,14 +458,12 @@ typedef struct hwif_s { /* task file registers for pata and sata */ unsigned long io_ports[IDE_NR_PORTS]; unsigned long sata_scr[SATA_NR_PORTS]; - unsigned long sata_misc[SATA_NR_PORTS]; ide_drive_t drives[MAX_DRIVES]; /* drive info */ u8 major; /* our major number */ u8 index; /* 0 for ide0; 1 for ide1; ... */ u8 channel; /* for dual-port chips: 0=primary, 1=secondary */ - u8 straight8; /* Alan's straight 8 check */ u8 bus_state; /* power state of the IDE bus */ u32 host_flags; @@ -679,7 +478,8 @@ typedef struct hwif_s { hwif_chipset_t chipset; /* sub-module for tuning.. */ - struct pci_dev *pci_dev; /* for pci chipsets */ + struct device *dev; + const struct ide_port_info *cds; /* chipset device struct */ ide_ack_intr_t *ack_intr; @@ -689,6 +489,8 @@ typedef struct hwif_s { #if 0 ide_hwif_ops_t *hwifops; #else + /* host specific initialization of devices on a port */ + void (*port_init_devs)(struct hwif_s *); /* routine to program host for PIO mode */ void (*set_pio_mode)(ide_drive_t *, const u8); /* routine to program host for DMA mode */ @@ -701,19 +503,17 @@ typedef struct hwif_s { void (*pre_reset)(ide_drive_t *); /* routine to reset controller after a disk reset */ void (*resetproc)(ide_drive_t *); - /* special interrupt handling for shared pci interrupts */ - void (*intrproc)(ide_drive_t *); /* special host masking for drive selection */ void (*maskproc)(ide_drive_t *, int); /* check host's drive quirk list */ - int (*quirkproc)(ide_drive_t *); + void (*quirkproc)(ide_drive_t *); /* driver soft-power interface */ int (*busproc)(ide_drive_t *, int); #endif u8 (*mdma_filter)(ide_drive_t *); u8 (*udma_filter)(ide_drive_t *); - void (*fixup)(struct hwif_s *); + u8 (*cable_detect)(struct hwif_s *); void (*ata_input_data)(ide_drive_t *, void *, u32); void (*ata_output_data)(ide_drive_t *, void *, u32); @@ -721,16 +521,13 @@ typedef struct hwif_s { void (*atapi_input_bytes)(ide_drive_t *, void *, u32); void (*atapi_output_bytes)(ide_drive_t *, void *, u32); + void (*dma_host_set)(ide_drive_t *, int); int (*dma_setup)(ide_drive_t *); void (*dma_exec_cmd)(ide_drive_t *, u8); void (*dma_start)(ide_drive_t *); int (*ide_dma_end)(ide_drive_t *drive); - int (*ide_dma_on)(ide_drive_t *drive); - void (*dma_off_quietly)(ide_drive_t *drive); int (*ide_dma_test_irq)(ide_drive_t *drive); void (*ide_dma_clear_irq)(ide_drive_t *drive); - void (*dma_host_on)(ide_drive_t *drive); - void (*dma_host_off)(ide_drive_t *drive); void (*dma_lost_irq)(ide_drive_t *drive); void (*dma_timeout)(ide_drive_t *drive); @@ -766,7 +563,6 @@ typedef struct hwif_s { int rqsize; /* max sectors per request */ int irq; /* our irq number */ - unsigned long dma_master; /* reference base addr dmabase */ unsigned long dma_base; /* base addr for dma ports */ unsigned long dma_command; /* dma command register */ unsigned long dma_vendor1; /* dma vendor 1 register */ @@ -786,10 +582,9 @@ typedef struct hwif_s { unsigned serialized : 1; /* serialized all channel operation */ unsigned sharing_irq: 1; /* 1 = sharing irq with another hwif */ unsigned reset : 1; /* reset after probe */ - unsigned auto_poll : 1; /* supports nop auto-poll */ unsigned sg_mapped : 1; /* sg_table and sg_nents are ready */ - unsigned no_io_32bit : 1; /* 1 = can not do 32-bit IO ops */ unsigned mmio : 1; /* host uses MMIO */ + unsigned straight8 : 1; /* Alan's straight 8 check */ struct device gendev; struct completion gendev_rel_comp; /* To deal with device release() */ @@ -806,15 +601,16 @@ typedef struct hwif_s { /* * internal ide interrupt handler type */ -typedef ide_startstop_t (ide_pre_handler_t)(ide_drive_t *, struct request *); typedef ide_startstop_t (ide_handler_t)(ide_drive_t *); typedef int (ide_expiry_t)(ide_drive_t *); +/* used by ide-cd, ide-floppy, etc. */ +typedef void (xfer_func_t)(ide_drive_t *, void *, u32); + typedef struct hwgroup_s { /* irq handler, if active */ ide_startstop_t (*handler)(ide_drive_t *); - /* irq handler, suspended if active */ - ide_startstop_t (*handler_save)(ide_drive_t *); + /* BOOL: protects all fields below */ volatile int busy; /* BOOL: wake us up on timer expiry */ @@ -829,25 +625,18 @@ typedef struct hwgroup_s { /* ptr to current hwif in linked-list */ ide_hwif_t *hwif; - /* for pci chipsets */ - struct pci_dev *pci_dev; - /* current request */ struct request *rq; + /* failsafe timer */ struct timer_list timer; - /* local copy of current write rq */ - struct request wrq; /* timeout value during long polls */ unsigned long poll_timeout; /* queried upon timeouts */ int (*expiry)(ide_drive_t *); - /* ide_system_bus_speed */ - int pio_clock; + int req_gen; int req_gen_timer; - - unsigned char cmd_buf[4]; } ide_hwgroup_t; typedef struct ide_driver_s ide_driver_t; @@ -901,6 +690,7 @@ typedef struct { void proc_ide_create(void); void proc_ide_destroy(void); void ide_proc_register_port(ide_hwif_t *); +void ide_proc_port_register_devices(ide_hwif_t *); void ide_proc_unregister_port(ide_hwif_t *); void ide_proc_register_driver(ide_drive_t *, ide_driver_t *); void ide_proc_unregister_driver(ide_drive_t *, ide_driver_t *); @@ -933,6 +723,7 @@ void ide_pci_create_host_proc(const char *, get_info_t *); static inline void proc_ide_create(void) { ; } static inline void proc_ide_destroy(void) { ; } static inline void ide_proc_register_port(ide_hwif_t *hwif) { ; } +static inline void ide_proc_port_register_devices(ide_hwif_t *hwif) { ; } static inline void ide_proc_unregister_port(ide_hwif_t *hwif) { ; } static inline void ide_proc_register_driver(ide_drive_t *drive, ide_driver_t *driver) { ; } static inline void ide_proc_unregister_driver(ide_drive_t *drive, ide_driver_t *driver) { ; } @@ -1020,7 +811,8 @@ int ide_end_dequeued_request(ide_drive_t *drive, struct request *rq, extern void ide_set_handler (ide_drive_t *drive, ide_handler_t *handler, unsigned int timeout, ide_expiry_t *expiry); -extern void ide_execute_command(ide_drive_t *, task_ioreg_t cmd, ide_handler_t *, unsigned int, ide_expiry_t *); +void ide_execute_command(ide_drive_t *, u8, ide_handler_t *, unsigned int, + ide_expiry_t *); ide_startstop_t __ide_error(ide_drive_t *, struct request *, u8, u8); @@ -1031,14 +823,7 @@ ide_startstop_t __ide_abort(ide_drive_t *, struct request *); extern ide_startstop_t ide_abort(ide_drive_t *, const char *); extern void ide_fix_driveid(struct hd_driveid *); -/* - * ide_fixstring() cleans up and (optionally) byte-swaps a text string, - * removing leading/trailing blanks and compressing internal blanks. - * It is primarily used to tidy up the model name/number fields as - * returned by the WIN_[P]IDENTIFY commands. - * - * (s, bytecount, byteswap) - */ + extern void ide_fixstring(u8 *, const int, const int); int ide_wait_stat(ide_startstop_t *, ide_drive_t *, u8, u8, unsigned long); @@ -1061,60 +846,124 @@ extern int ide_do_drive_cmd(ide_drive_t *, struct request *, ide_action_t); extern void ide_end_drive_cmd(ide_drive_t *, u8, u8); -/* - * Issue ATA command and wait for completion. - * Use for implementing commands in kernel - * - * (ide_drive_t *drive, u8 cmd, u8 nsect, u8 feature, u8 sectors, u8 *buf) - */ -extern int ide_wait_cmd(ide_drive_t *, u8, u8, u8, u8, u8 *); +enum { + IDE_TFLAG_LBA48 = (1 << 0), + IDE_TFLAG_NO_SELECT_MASK = (1 << 1), + IDE_TFLAG_FLAGGED = (1 << 2), + IDE_TFLAG_OUT_DATA = (1 << 3), + IDE_TFLAG_OUT_HOB_FEATURE = (1 << 4), + IDE_TFLAG_OUT_HOB_NSECT = (1 << 5), + IDE_TFLAG_OUT_HOB_LBAL = (1 << 6), + IDE_TFLAG_OUT_HOB_LBAM = (1 << 7), + IDE_TFLAG_OUT_HOB_LBAH = (1 << 8), + IDE_TFLAG_OUT_HOB = IDE_TFLAG_OUT_HOB_FEATURE | + IDE_TFLAG_OUT_HOB_NSECT | + IDE_TFLAG_OUT_HOB_LBAL | + IDE_TFLAG_OUT_HOB_LBAM | + IDE_TFLAG_OUT_HOB_LBAH, + IDE_TFLAG_OUT_FEATURE = (1 << 9), + IDE_TFLAG_OUT_NSECT = (1 << 10), + IDE_TFLAG_OUT_LBAL = (1 << 11), + IDE_TFLAG_OUT_LBAM = (1 << 12), + IDE_TFLAG_OUT_LBAH = (1 << 13), + IDE_TFLAG_OUT_TF = IDE_TFLAG_OUT_FEATURE | + IDE_TFLAG_OUT_NSECT | + IDE_TFLAG_OUT_LBAL | + IDE_TFLAG_OUT_LBAM | + IDE_TFLAG_OUT_LBAH, + IDE_TFLAG_OUT_DEVICE = (1 << 14), + IDE_TFLAG_WRITE = (1 << 15), + IDE_TFLAG_FLAGGED_SET_IN_FLAGS = (1 << 16), + IDE_TFLAG_IN_DATA = (1 << 17), + IDE_TFLAG_CUSTOM_HANDLER = (1 << 18), + IDE_TFLAG_DMA_PIO_FALLBACK = (1 << 19), + IDE_TFLAG_IN_HOB_FEATURE = (1 << 20), + IDE_TFLAG_IN_HOB_NSECT = (1 << 21), + IDE_TFLAG_IN_HOB_LBAL = (1 << 22), + IDE_TFLAG_IN_HOB_LBAM = (1 << 23), + IDE_TFLAG_IN_HOB_LBAH = (1 << 24), + IDE_TFLAG_IN_HOB_LBA = IDE_TFLAG_IN_HOB_LBAL | + IDE_TFLAG_IN_HOB_LBAM | + IDE_TFLAG_IN_HOB_LBAH, + IDE_TFLAG_IN_HOB = IDE_TFLAG_IN_HOB_FEATURE | + IDE_TFLAG_IN_HOB_NSECT | + IDE_TFLAG_IN_HOB_LBA, + IDE_TFLAG_IN_NSECT = (1 << 25), + IDE_TFLAG_IN_LBAL = (1 << 26), + IDE_TFLAG_IN_LBAM = (1 << 27), + IDE_TFLAG_IN_LBAH = (1 << 28), + IDE_TFLAG_IN_LBA = IDE_TFLAG_IN_LBAL | + IDE_TFLAG_IN_LBAM | + IDE_TFLAG_IN_LBAH, + IDE_TFLAG_IN_TF = IDE_TFLAG_IN_NSECT | + IDE_TFLAG_IN_LBA, + IDE_TFLAG_IN_DEVICE = (1 << 29), + IDE_TFLAG_HOB = IDE_TFLAG_OUT_HOB | + IDE_TFLAG_IN_HOB, + IDE_TFLAG_TF = IDE_TFLAG_OUT_TF | + IDE_TFLAG_IN_TF, + IDE_TFLAG_DEVICE = IDE_TFLAG_OUT_DEVICE | + IDE_TFLAG_IN_DEVICE, + /* force 16-bit I/O operations */ + IDE_TFLAG_IO_16BIT = (1 << 30), +}; + +struct ide_taskfile { + u8 hob_data; /* 0: high data byte (for TASKFILE IOCTL) */ + + u8 hob_feature; /* 1-5: additional data to support LBA48 */ + u8 hob_nsect; + u8 hob_lbal; + u8 hob_lbam; + u8 hob_lbah; + + u8 data; /* 6: low data byte (for TASKFILE IOCTL) */ + + union { /* 7: */ + u8 error; /* read: error */ + u8 feature; /* write: feature */ + }; + + u8 nsect; /* 8: number of sectors */ + u8 lbal; /* 9: LBA low */ + u8 lbam; /* 10: LBA mid */ + u8 lbah; /* 11: LBA high */ + + u8 device; /* 12: device select */ + + union { /* 13: */ + u8 status; /* read: status */ + u8 command; /* write: command */ + }; +}; typedef struct ide_task_s { -/* - * struct hd_drive_task_hdr tf; - * task_struct_t tf; - * struct hd_drive_hob_hdr hobf; - * hob_struct_t hobf; - */ - task_ioreg_t tfRegister[8]; - task_ioreg_t hobRegister[8]; - ide_reg_valid_t tf_out_flags; - ide_reg_valid_t tf_in_flags; + union { + struct ide_taskfile tf; + u8 tf_array[14]; + }; + u32 tf_flags; int data_phase; - int command_type; - ide_pre_handler_t *prehandler; - ide_handler_t *handler; struct request *rq; /* copy of request */ void *special; /* valid_t generally */ } ide_task_t; -extern u32 ide_read_24(ide_drive_t *); +void ide_tf_load(ide_drive_t *, ide_task_t *); +void ide_tf_read(ide_drive_t *, ide_task_t *); extern void SELECT_DRIVE(ide_drive_t *); -extern void SELECT_INTERRUPT(ide_drive_t *); extern void SELECT_MASK(ide_drive_t *, int); -extern void QUIRK_LIST(ide_drive_t *); extern int drive_is_ready(ide_drive_t *); -/* - * taskfile io for disks for now...and builds request from ide_ioctl - */ -extern ide_startstop_t do_rw_taskfile(ide_drive_t *, ide_task_t *); +void ide_pktcmd_tf_load(ide_drive_t *, u32, u16, u8); -/* - * Special Flagged Register Validation Caller - */ -extern ide_startstop_t flagged_taskfile(ide_drive_t *, ide_task_t *); +ide_startstop_t do_rw_taskfile(ide_drive_t *, ide_task_t *); -extern ide_startstop_t set_multmode_intr(ide_drive_t *); -extern ide_startstop_t set_geometry_intr(ide_drive_t *); -extern ide_startstop_t recal_intr(ide_drive_t *); -extern ide_startstop_t task_no_data_intr(ide_drive_t *); -extern ide_startstop_t task_in_intr(ide_drive_t *); -extern ide_startstop_t pre_task_out_intr(ide_drive_t *, struct request *); +void task_end_request(ide_drive_t *, struct request *, u8); -extern int ide_raw_taskfile(ide_drive_t *, ide_task_t *, u8 *); +int ide_raw_taskfile(ide_drive_t *, ide_task_t *, u8 *, u16); +int ide_no_data_taskfile(ide_drive_t *, ide_task_t *); int ide_taskfile_ioctl(ide_drive_t *, unsigned int, unsigned long); int ide_cmd_ioctl(ide_drive_t *, unsigned int, unsigned long); @@ -1123,10 +972,8 @@ int ide_task_ioctl(ide_drive_t *, unsigned int, unsigned long); extern int system_bus_clock(void); extern int ide_driveid_update(ide_drive_t *); -extern int ide_ata66_check(ide_drive_t *, ide_task_t *); extern int ide_config_drive_speed(ide_drive_t *, u8); extern u8 eighty_ninty_three (ide_drive_t *); -extern int set_transfer(ide_drive_t *, ide_task_t *); extern int taskfile_lib_get_identify(ide_drive_t *drive, u8 *); extern int ide_wait_not_busy(ide_hwif_t *hwif, unsigned long timeout); @@ -1140,10 +987,8 @@ extern void do_ide_request(struct request_queue *); void ide_init_disk(struct gendisk *, ide_drive_t *); -extern int ideprobe_init(void); - #ifdef CONFIG_IDEPCI_PCIBUS_ORDER -extern void ide_scan_pcibus(int scan_direction) __init; +extern int ide_scan_direction; extern int __ide_pci_register_driver(struct pci_driver *driver, struct module *owner, const char *mod_name); #define ide_pci_register_driver(d) __ide_pci_register_driver(d, THIS_MODULE, KBUILD_MODNAME) #else @@ -1153,6 +998,14 @@ extern int __ide_pci_register_driver(struct pci_driver *driver, struct module *o void ide_pci_setup_ports(struct pci_dev *, const struct ide_port_info *, int, u8 *); void ide_setup_pci_noise(struct pci_dev *, const struct ide_port_info *); +/* FIXME: palm_bk3710 uses BLK_DEV_IDEDMA_PCI without BLK_DEV_IDEPCI! */ +#if defined(CONFIG_BLK_DEV_IDEPCI) && defined(CONFIG_BLK_DEV_IDEDMA_PCI) +void ide_hwif_setup_dma(ide_hwif_t *, const struct ide_port_info *); +#else +static inline void ide_hwif_setup_dma(ide_hwif_t *hwif, + const struct ide_port_info *d) { } +#endif + extern void default_hwif_iops(ide_hwif_t *); extern void default_hwif_mmiops(ide_hwif_t *); extern void default_hwif_transport(ide_hwif_t *); @@ -1189,7 +1042,7 @@ enum { IDE_HFLAG_NO_SET_MODE = (1 << 9), /* trust BIOS for programming chipset/device for DMA */ IDE_HFLAG_TRUST_BIOS_FOR_DMA = (1 << 10), - /* host uses VDMA */ + /* host uses VDMA (tied with IDE_HFLAG_CS5520 for now) */ IDE_HFLAG_VDMA = (1 << 11), /* ATAPI DMA is unsupported */ IDE_HFLAG_NO_ATAPI_DMA = (1 << 12), @@ -1199,8 +1052,10 @@ enum { IDE_HFLAG_NO_DMA = (1 << 14), /* check if host is PCI IDE device before allowing DMA */ IDE_HFLAG_NO_AUTODMA = (1 << 15), + /* don't autotune PIO */ + IDE_HFLAG_NO_AUTOTUNE = (1 << 16), /* host is CS5510/CS5520 */ - IDE_HFLAG_CS5520 = (1 << 16), + IDE_HFLAG_CS5520 = IDE_HFLAG_VDMA, /* no LBA48 */ IDE_HFLAG_NO_LBA48 = (1 << 17), /* no LBA48 DMA */ @@ -1219,6 +1074,17 @@ enum { IDE_HFLAG_IO_32BIT = (1 << 24), /* unmask IRQs */ IDE_HFLAG_UNMASK_IRQS = (1 << 25), + IDE_HFLAG_ABUSE_SET_DMA_MODE = (1 << 26), + /* host is CY82C693 */ + IDE_HFLAG_CY82C693 = (1 << 27), + /* force host out of "simplex" mode */ + IDE_HFLAG_CLEAR_SIMPLEX = (1 << 28), + /* DSC overlap is unsupported */ + IDE_HFLAG_NO_DSC = (1 << 29), + /* never use 32-bit I/O ops */ + IDE_HFLAG_NO_IO_32BIT = (1 << 30), + /* never unmask IRQs */ + IDE_HFLAG_NO_UNMASK_IRQS = (1 << 31), }; #ifdef CONFIG_BLK_DEV_OFFBOARD @@ -1233,10 +1099,9 @@ struct ide_port_info { void (*init_iops)(ide_hwif_t *); void (*init_hwif)(ide_hwif_t *); void (*init_dma)(ide_hwif_t *, unsigned long); - void (*fixup)(ide_hwif_t *); ide_pci_enablebit_t enablebits[2]; hwif_chipset_t chipset; - unsigned int extra; + u8 extra; u32 host_flags; u8 pio_mask; u8 swdma_mask; @@ -1262,6 +1127,7 @@ int ide_in_drive_list(struct hd_driveid *, const struct drive_list_entry *); #ifdef CONFIG_BLK_DEV_IDEDMA int __ide_dma_bad_drive(ide_drive_t *); +int ide_id_dma_bug(ide_drive_t *); u8 ide_find_dma_mode(ide_drive_t *, u8); @@ -1270,22 +1136,22 @@ static inline u8 ide_max_dma_mode(ide_drive_t *drive) return ide_find_dma_mode(drive, XFER_UDMA_6); } +void ide_dma_off_quietly(ide_drive_t *); void ide_dma_off(ide_drive_t *); -void ide_dma_verbose(ide_drive_t *); +void ide_dma_on(ide_drive_t *); int ide_set_dma(ide_drive_t *); +void ide_check_dma_crc(ide_drive_t *); ide_startstop_t ide_dma_intr(ide_drive_t *); +int ide_build_sglist(ide_drive_t *, struct request *); +void ide_destroy_dmatable(ide_drive_t *); + #ifdef CONFIG_BLK_DEV_IDEDMA_PCI -extern int ide_build_sglist(ide_drive_t *, struct request *); extern int ide_build_dmatable(ide_drive_t *, struct request *); -extern void ide_destroy_dmatable(ide_drive_t *); extern int ide_release_dma(ide_hwif_t *); -extern void ide_setup_dma(ide_hwif_t *, unsigned long, unsigned int); +extern void ide_setup_dma(ide_hwif_t *, unsigned long); -void ide_dma_host_off(ide_drive_t *); -void ide_dma_off_quietly(ide_drive_t *); -void ide_dma_host_on(ide_drive_t *); -extern int __ide_dma_on(ide_drive_t *); +void ide_dma_host_set(ide_drive_t *, int); extern int ide_dma_setup(ide_drive_t *); extern void ide_dma_start(ide_drive_t *); extern int __ide_dma_end(ide_drive_t *); @@ -1294,11 +1160,15 @@ extern void ide_dma_timeout(ide_drive_t *); #endif /* CONFIG_BLK_DEV_IDEDMA_PCI */ #else +static inline int ide_id_dma_bug(ide_drive_t *drive) { return 0; } static inline u8 ide_find_dma_mode(ide_drive_t *drive, u8 speed) { return 0; } static inline u8 ide_max_dma_mode(ide_drive_t *drive) { return 0; } +static inline void ide_dma_off_quietly(ide_drive_t *drive) { ; } static inline void ide_dma_off(ide_drive_t *drive) { ; } +static inline void ide_dma_on(ide_drive_t *drive) { ; } static inline void ide_dma_verbose(ide_drive_t *drive) { ; } static inline int ide_set_dma(ide_drive_t *drive) { return 1; } +static inline void ide_check_dma_crc(ide_drive_t *drive) { ; } #endif /* CONFIG_BLK_DEV_IDEDMA */ #ifndef CONFIG_BLK_DEV_IDEDMA_PCI @@ -1310,25 +1180,29 @@ extern int ide_acpi_exec_tfs(ide_drive_t *drive); extern void ide_acpi_get_timing(ide_hwif_t *hwif); extern void ide_acpi_push_timing(ide_hwif_t *hwif); extern void ide_acpi_init(ide_hwif_t *hwif); +void ide_acpi_port_init_devices(ide_hwif_t *); extern void ide_acpi_set_state(ide_hwif_t *hwif, int on); #else static inline int ide_acpi_exec_tfs(ide_drive_t *drive) { return 0; } static inline void ide_acpi_get_timing(ide_hwif_t *hwif) { ; } static inline void ide_acpi_push_timing(ide_hwif_t *hwif) { ; } static inline void ide_acpi_init(ide_hwif_t *hwif) { ; } +static inline void ide_acpi_port_init_devices(ide_hwif_t *hwif) { ; } static inline void ide_acpi_set_state(ide_hwif_t *hwif, int on) {} #endif +void ide_remove_port_from_hwgroup(ide_hwif_t *); extern int ide_hwif_request_regions(ide_hwif_t *hwif); extern void ide_hwif_release_regions(ide_hwif_t* hwif); -extern void ide_unregister (unsigned int index); +void ide_unregister(unsigned int, int, int); void ide_register_region(struct gendisk *); void ide_unregister_region(struct gendisk *); -void ide_undecoded_slave(ide_hwif_t *); +void ide_undecoded_slave(ide_drive_t *); -int ide_device_add(u8 idx[4]); +int ide_device_add_all(u8 *idx, const struct ide_port_info *); +int ide_device_add(u8 idx[4], const struct ide_port_info *); static inline void *ide_get_hwifdata (ide_hwif_t * hwif) { @@ -1340,8 +1214,7 @@ static inline void ide_set_hwifdata (ide_hwif_t * hwif, void *data) hwif->hwif_data = data; } -/* ide-lib.c */ -extern char *ide_xfer_verbose(u8 xfer_rate); +const char *ide_xfer_verbose(u8 mode); extern void ide_toggle_bounce(ide_drive_t *drive, int on); extern int ide_set_xfer_rate(ide_drive_t *drive, u8 rate); @@ -1363,6 +1236,7 @@ static inline int ide_dev_is_sata(struct hd_driveid *id) return 0; } +u64 ide_get_lba_addr(struct ide_taskfile *, int); u8 ide_dump_status(ide_drive_t *, const char *, u8); typedef struct ide_pio_timings_s { @@ -1412,9 +1286,14 @@ extern struct bus_type ide_bus_type; #define ide_id_has_flush_cache_ext(id) \ (((id)->cfs_enable_2 & 0x2400) == 0x2400) +static inline void ide_dump_identify(u8 *id) +{ + print_hex_dump(KERN_INFO, "", DUMP_PREFIX_NONE, 16, 2, id, 512, 0); +} + static inline int hwif_to_node(ide_hwif_t *hwif) { - struct pci_dev *dev = hwif->pci_dev; + struct pci_dev *dev = to_pci_dev(hwif->dev); return dev ? pcibus_to_node(dev->bus) : -1; } @@ -1425,4 +1304,30 @@ static inline ide_drive_t *ide_get_paired_drive(ide_drive_t *drive) return &hwif->drives[(drive->dn ^ 1) & 1]; } +static inline void ide_set_irq(ide_drive_t *drive, int on) +{ + drive->hwif->OUTB(drive->ctl | (on ? 0 : 2), IDE_CONTROL_REG); +} + +static inline u8 ide_read_status(ide_drive_t *drive) +{ + ide_hwif_t *hwif = drive->hwif; + + return hwif->INB(hwif->io_ports[IDE_STATUS_OFFSET]); +} + +static inline u8 ide_read_altstatus(ide_drive_t *drive) +{ + ide_hwif_t *hwif = drive->hwif; + + return hwif->INB(hwif->io_ports[IDE_CONTROL_OFFSET]); +} + +static inline u8 ide_read_error(ide_drive_t *drive) +{ + ide_hwif_t *hwif = drive->hwif; + + return hwif->INB(hwif->io_ports[IDE_ERROR_OFFSET]); +} + #endif /* _IDE_H */ |