*/
#define IDE_NR_PORTS (10)
-#define IDE_DATA_OFFSET (0)
-#define IDE_ERROR_OFFSET (1)
-#define IDE_NSECTOR_OFFSET (2)
-#define IDE_SECTOR_OFFSET (3)
-#define IDE_LCYL_OFFSET (4)
-#define IDE_HCYL_OFFSET (5)
-#define IDE_SELECT_OFFSET (6)
-#define IDE_STATUS_OFFSET (7)
-#define IDE_CONTROL_OFFSET (8)
-#define IDE_IRQ_OFFSET (9)
-
-#define IDE_FEATURE_OFFSET IDE_ERROR_OFFSET
-#define IDE_COMMAND_OFFSET IDE_STATUS_OFFSET
-#define IDE_ALTSTATUS_OFFSET IDE_CONTROL_OFFSET
-#define IDE_IREASON_OFFSET IDE_NSECTOR_OFFSET
-#define IDE_BCOUNTL_OFFSET IDE_LCYL_OFFSET
-#define IDE_BCOUNTH_OFFSET IDE_HCYL_OFFSET
+struct ide_io_ports {
+ unsigned long data_addr;
+
+ union {
+ unsigned long error_addr; /* read: error */
+ unsigned long feature_addr; /* write: feature */
+ };
+
+ unsigned long nsect_addr;
+ unsigned long lbal_addr;
+ unsigned long lbam_addr;
+ unsigned long lbah_addr;
+
+ unsigned long device_addr;
+
+ union {
+ unsigned long status_addr; /* read: status */
+ unsigned long command_addr; /* write: command */
+ };
+
+ unsigned long ctl_addr;
+
+ unsigned long irq_addr;
+};
#define OK_STAT(stat,good,bad) (((stat)&((good)|(bad)))==(good))
#define BAD_R_STAT (BUSY_STAT | ERR_STAT)
ide_qd65xx, ide_umc8672, ide_ht6560b,
ide_rz1000, ide_trm290,
ide_cmd646, ide_cy82c693, ide_4drives,
- ide_pmac, ide_etrax100, ide_acorn,
+ ide_pmac, ide_acorn,
ide_au1xxx, ide_palm3710
};
* Structure to hold all information about the location of this port
*/
typedef struct hw_regs_s {
- unsigned long io_ports[IDE_NR_PORTS]; /* task file registers */
+ union {
+ struct ide_io_ports io_ports;
+ unsigned long io_ports_array[IDE_NR_PORTS];
+ };
+
int irq; /* our irq number */
ide_ack_intr_t *ack_intr; /* acknowledge interrupt */
hwif_chipset_t chipset;
{
unsigned int i;
- for (i = IDE_DATA_OFFSET; i <= IDE_STATUS_OFFSET; i++)
- hw->io_ports[i] = io_addr++;
+ for (i = 0; i <= 7; i++)
+ hw->io_ports_array[i] = io_addr++;
- hw->io_ports[IDE_CONTROL_OFFSET] = ctl_addr;
+ hw->io_ports.ctl_addr = ctl_addr;
}
#include <asm/ide.h>
unsigned atapi_overlap : 1; /* ATAPI overlap (not supported) */
unsigned doorlocking : 1; /* for removable only: door lock/unlock works */
unsigned nodma : 1; /* disallow DMA */
- unsigned autotune : 1; /* 0=default, 1=autotune */
unsigned remap_0_to_1 : 1; /* 0=noremap, 1=remap 0->1 (for EZDrive) */
unsigned blocked : 1; /* 1=powermanagment told us not to do anything, so sleep nicely */
unsigned vdma : 1; /* 1=doing PIO over DMA 0=doing normal DMA */
void (*dma_timeout)(struct ide_drive_s *);
};
+struct ide_task_s;
+
typedef struct hwif_s {
struct hwif_s *next; /* for linked-list in ide_hwgroup_t */
struct hwif_s *mate; /* other hwif from same PCI chip */
char name[6]; /* name of interface, eg. "ide0" */
- /* task file registers for pata and sata */
- unsigned long io_ports[IDE_NR_PORTS];
+ struct ide_io_ports io_ports;
+
unsigned long sata_scr[SATA_NR_PORTS];
ide_drive_t drives[MAX_DRIVES]; /* drive info */
const struct ide_port_ops *port_ops;
const struct ide_dma_ops *dma_ops;
- void (*ata_input_data)(ide_drive_t *, void *, u32);
- void (*ata_output_data)(ide_drive_t *, void *, u32);
+ void (*tf_load)(ide_drive_t *, struct ide_task_s *);
+ void (*tf_read)(ide_drive_t *, struct ide_task_s *);
- void (*atapi_input_bytes)(ide_drive_t *, void *, u32);
- void (*atapi_output_bytes)(ide_drive_t *, void *, u32);
+ void (*input_data)(ide_drive_t *, struct request *, void *, unsigned);
+ void (*output_data)(ide_drive_t *, struct request *, void *, unsigned);
void (*ide_dma_clear_irq)(ide_drive_t *drive);
void (*OUTB)(u8 addr, unsigned long port);
void (*OUTBSYNC)(ide_drive_t *drive, u8 addr, unsigned long port);
- void (*OUTW)(u16 addr, unsigned long port);
- void (*OUTSW)(unsigned long port, void *addr, u32 count);
- void (*OUTSL)(unsigned long port, void *addr, u32 count);
u8 (*INB)(unsigned long port);
- u16 (*INW)(unsigned long port);
- void (*INSW)(unsigned long port, void *addr, u32 count);
- void (*INSL)(unsigned long port, void *addr, u32 count);
/* dma physical region descriptor table (cpu view) */
unsigned int *dmatable_cpu;
unsigned long dma_base; /* base addr for dma ports */
unsigned long dma_command; /* dma command register */
- unsigned long dma_vendor1; /* dma vendor 1 register */
unsigned long dma_status; /* dma status register */
- unsigned long dma_vendor3; /* dma vendor 3 register */
- unsigned long dma_prdtable; /* actual prd table address */
unsigned long config_data; /* for use by chipset-specific code */
unsigned long select_data; /* for use by chipset-specific code */
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 void (xfer_func_t)(ide_drive_t *, struct request *rq, void *, unsigned);
typedef struct hwgroup_s {
/* irq handler, if active */
read_proc_t proc_ide_read_capacity;
read_proc_t proc_ide_read_geometry;
-#ifdef CONFIG_BLK_DEV_IDEPCI
-void ide_pci_create_host_proc(const char *, get_info_t *);
-#endif
-
/*
* Standard exit stuff:
*/
#ifndef _IDE_C
extern ide_hwif_t ide_hwifs[]; /* master data repository */
#endif
+extern int ide_noacpi;
+extern int ide_acpigtf;
+extern int ide_acpionboot;
extern int noautodma;
+extern int ide_vlb_clk;
+extern int ide_pci_clk;
+
ide_hwif_t *ide_find_port_slot(const struct ide_port_info *);
static inline ide_hwif_t *ide_find_port(void)
void ide_execute_command(ide_drive_t *, u8, ide_handler_t *, unsigned int,
ide_expiry_t *);
+void ide_execute_pkt_cmd(ide_drive_t *);
+
+void ide_pad_transfer(ide_drive_t *, int, int);
+
ide_startstop_t __ide_error(ide_drive_t *, struct request *, u8, u8);
ide_startstop_t ide_error (ide_drive_t *drive, const char *msg, byte stat);
void *special; /* valid_t generally */
} ide_task_t;
-void ide_tf_load(ide_drive_t *, ide_task_t *);
-void ide_tf_read(ide_drive_t *, ide_task_t *);
+void ide_tf_dump(const char *, struct ide_taskfile *);
extern void SELECT_DRIVE(ide_drive_t *);
-extern void SELECT_MASK(ide_drive_t *, int);
extern int drive_is_ready(ide_drive_t *);
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 (tied with IDE_HFLAG_CS5520 for now) */
- IDE_HFLAG_VDMA = (1 << 11),
+ /* host is CS5510/CS5520 */
+ IDE_HFLAG_CS5520 = (1 << 11),
/* ATAPI DMA is unsupported */
IDE_HFLAG_NO_ATAPI_DMA = (1 << 12),
/* set if host is a "non-bootable" controller */
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 = IDE_HFLAG_VDMA,
+ /* host uses MMIO */
+ IDE_HFLAG_MMIO = (1 << 16),
/* no LBA48 */
IDE_HFLAG_NO_LBA48 = (1 << 17),
/* no LBA48 DMA */
IDE_HFLAG_NO_IO_32BIT = (1 << 30),
/* never unmask IRQs */
IDE_HFLAG_NO_UNMASK_IRQS = (1 << 31),
+ /* host uses VDMA (disabled for now) */
+ IDE_HFLAG_VDMA = 0,
};
#ifdef CONFIG_BLK_DEV_OFFBOARD
#endif
void ide_remove_port_from_hwgroup(ide_hwif_t *);
-void ide_unregister(unsigned int);
+void ide_unregister(ide_hwif_t *);
void ide_register_region(struct gendisk *);
void ide_unregister_region(struct gendisk *);
{
ide_hwif_t *hwif = drive->hwif;
- hwif->OUTB(drive->ctl | (on ? 0 : 2),
- hwif->io_ports[IDE_CONTROL_OFFSET]);
+ hwif->OUTB(drive->ctl | (on ? 0 : 2), hwif->io_ports.ctl_addr);
}
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]);
+ return hwif->INB(hwif->io_ports.status_addr);
}
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]);
+ return hwif->INB(hwif->io_ports.ctl_addr);
}
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]);
-}
-
-/*
- * Too bad. The drive wants to send us data which we are not ready to accept.
- * Just throw it away.
- */
-static inline void ide_atapi_discard_data(ide_drive_t *drive, unsigned bcount)
-{
- ide_hwif_t *hwif = drive->hwif;
-
- /* FIXME: use ->atapi_input_bytes */
- while (bcount--)
- (void)hwif->INB(hwif->io_ports[IDE_DATA_OFFSET]);
+ return hwif->INB(hwif->io_ports.error_addr);
}
-
-static inline void ide_atapi_write_zeros(ide_drive_t *drive, unsigned bcount)
-{
- ide_hwif_t *hwif = drive->hwif;
-
- /* FIXME: use ->atapi_output_bytes */
- while (bcount--)
- hwif->OUTB(0, hwif->io_ports[IDE_DATA_OFFSET]);
-}
-
#endif /* _IDE_H */
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff