include/asm-mips/mach-generic/ide.h

   1 /*
   2  * This file is subject to the terms and conditions of the GNU General Public
   3  * License.  See the file "COPYING" in the main directory of this archive
   4  * for more details.
   5  *
   6  * IDE routines for typical pc-like legacy IDE configurations.
   7  *
   8  * Copyright (C) 1998, 1999, 2001, 2003 by Ralf Baechle
   9  */
  10 #ifndef __ASM_MACH_GENERIC_IDE_H
  11 #define __ASM_MACH_GENERIC_IDE_H
  12
  13 #include <linux/config.h>
  14
  15 #ifndef MAX_HWIFS
  16 # ifdef CONFIG_BLK_DEV_IDEPCI
  17 #define MAX_HWIFS       10
  18 # else
  19 #define MAX_HWIFS       6
  20 # endif
  21 #endif
  22
  23 #define IDE_ARCH_OBSOLETE_DEFAULTS
  24
  25 static inline int ide_default_irq(unsigned long base)
  26 {
  27         switch (base) {
  28                 case 0x1f0: return 14;
  29                 case 0x170: return 15;
  30                 case 0x1e8: return 11;
  31                 case 0x168: return 10;
  32                 case 0x1e0: return 8;
  33                 case 0x160: return 12;
  34                 default:
  35                         return 0;
  36         }
  37 }
  38
  39 static inline unsigned long ide_default_io_base(int index)
  40 {
  41         switch (index) {
  42                 case 0: return 0x1f0;
  43                 case 1: return 0x170;
  44                 case 2: return 0x1e8;
  45                 case 3: return 0x168;
  46                 case 4: return 0x1e0;
  47                 case 5: return 0x160;
  48                 default:
  49                         return 0;
  50         }
  51 }
  52
  53 #define IDE_ARCH_OBSOLETE_INIT
  54 #define ide_default_io_ctl(base)        ((base) + 0x206) /* obsolete */
  55
  56 #ifdef CONFIG_BLK_DEV_IDEPCI
  57 #define ide_init_default_irq(base)      (0)
  58 #else
  59 #define ide_init_default_irq(base)      ide_default_irq(base)
  60 #endif
  61
  62 #endif /* __ASM_MACH_GENERIC_IDE_H */