Subversion Repositories or1k

/*

 *  linux/drivers/ide/legacy/pdc4030.h

 *

 *  Copyright (C) 1995-1998  Linus Torvalds & authors

 */

/*

 * Principal author: Peter Denison <peterd@pnd-pc.demon.co.uk>

 */

#ifndef IDE_PROMISE_H

#define IDE_PROMISE_H

#include <linux/config.h>

#ifndef CONFIG_BLK_DEV_PDC4030

# ifdef _IDE_DISK

# define IS_PDC4030_DRIVE (0)   /* auto-NULLs out pdc4030 code */

ide_startstop_t promise_rw_disk(ide_drive_t *, struct request *, unsigned long);

ide_startstop_t promise_rw_disk(ide_drive_t *drive, struct request *rq, unsigned long block)

{

        return ide_stopped;

}

# endif /* _IDE_DISK */

#else /* CONFIG_BLK_DEV_PDC4030 */

# ifdef _IDE_DISK

#  define IS_PDC4030_DRIVE (HWIF(drive)->chipset == ide_pdc4030)

ide_startstop_t promise_rw_disk(ide_drive_t *, struct request *, unsigned long);

# endif /* _IDE_DISK */

#endif /* CONFIG_BLK_DEV_PDC4030 */

#ifdef __PROMISE_4030

#define PROMISE_EXTENDED_COMMAND        0xF0

#define PROMISE_READ                    0xF2

#define PROMISE_WRITE                   0xF3

/* Extended commands - main command code = 0xf0 */

#define PROMISE_GET_CONFIG              0x10

#define PROMISE_IDENTIFY                0x20

struct translation_mode {

        u16     cyl;

        u8      head;

        u8      sect;

};

struct dc_ident {

        u8      type;

        u8      unknown1;

        u8      hw_revision;

        u8      firmware_major;

        u8      firmware_minor;

        u8      bios_address;

        u8      irq;

        u8      unknown2;

        u16     cache_mem;

        u16     unknown3;

        u8      id[2];

        u16     info;

        struct translation_mode current_tm[4];

        u8      pad[SECTOR_WORDS*4 - 32];

};

#endif /* __PROMISE_4030 */

#endif /* IDE_PROMISE_H */