#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
/*
#define IDE_NO_IRQ (-1)
-/*
- * "No user-serviceable parts" beyond this point :)
- *****************************************************************************/
-
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])
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;
} b;
} 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.
*
} 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
*/
*/
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),
+};
+
+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;
- */
- u8 tfRegister[8];
- u8 hobRegister[8];
- ide_reg_valid_t tf_out_flags;
+ union {
+ struct ide_taskfile tf;
+ u8 tf_array[14];
+ };
+ u16 tf_flags;
ide_reg_valid_t tf_in_flags;
int data_phase;
int command_type;
void *special; /* valid_t generally */
} ide_task_t;
+void ide_tf_load(ide_drive_t *, ide_task_t *);
+
extern u32 ide_read_24(ide_drive_t *);
extern void SELECT_DRIVE(ide_drive_t *);
extern int ide_raw_taskfile(ide_drive_t *, ide_task_t *, u8 *);
+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);
int ide_task_ioctl(ide_drive_t *, unsigned int, unsigned long);
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