include/asm-arm/ide.h

   1 /*
   2  *  linux/include/asm-arm/ide.h
   3  *
   4  *  Copyright (C) 1994-1996  Linus Torvalds & authors
   5  */
   6
   7 /*
   8  *  This file contains the i386 architecture specific IDE code.
   9  */
  10
  11 #ifndef __ASMARM_IDE_H
  12 #define __ASMARM_IDE_H
  13
  14 #ifdef __KERNEL__
  15
  16 #ifndef MAX_HWIFS
  17 #define MAX_HWIFS       4
  18 #endif
  19
  20 #define ide__sti()      __sti()
  21
  22 #include <asm/arch/ide.h>
  23
  24 typedef union {
  25         unsigned all                    : 8;    /* all of the bits together */
  26         struct {
  27                 unsigned head           : 4;    /* always zeros here */
  28                 unsigned unit           : 1;    /* drive select number, 0 or 1 */
  29                 unsigned bit5           : 1;    /* always 1 */
  30                 unsigned lba            : 1;    /* using LBA instead of CHS */
  31                 unsigned bit7           : 1;    /* always 1 */
  32         } b;
  33         } select_t;
  34
  35 #define ide_request_irq(irq,hand,flg,dev,id)    request_irq((irq),(hand),(flg),(dev),(id))
  36 #define ide_free_irq(irq,dev_id)                free_irq((irq), (dev_id))
  37 #define ide_check_region(from,extent)           check_region((from), (extent))
  38 #define ide_request_region(from,extent,name)    request_region((from), (extent), (name))
  39 #define ide_release_region(from,extent)         release_region((from), (extent))
  40
  41 /*
  42  * The following are not needed for the non-m68k ports
  43  */
  44 #define ide_ack_intr(hwif)              (1)
  45 #define ide_fix_driveid(id)             do {} while (0)
  46 #define ide_release_lock(lock)          do {} while (0)
  47 #define ide_get_lock(lock, hdlr, data)  do {} while (0)
  48
  49 #endif /* __KERNEL__ */
  50
  51 #endif /* __ASMARM_IDE_H */