blob: 859ebf4da632cabe31276fb5d8ff6cb8121288bc [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * linux/include/asm-i386/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 __ASMi386_IDE_H
12#define __ASMi386_IDE_H
13
14#ifdef __KERNEL__
15
16#include <linux/config.h>
17
18#ifndef MAX_HWIFS
19# ifdef CONFIG_BLK_DEV_IDEPCI
20#define MAX_HWIFS 10
21# else
22#define MAX_HWIFS 6
23# endif
24#endif
25
26#define IDE_ARCH_OBSOLETE_DEFAULTS
27
28static __inline__ int ide_default_irq(unsigned long base)
29{
30 switch (base) {
31 case 0x1f0: return 14;
32 case 0x170: return 15;
33 case 0x1e8: return 11;
34 case 0x168: return 10;
35 case 0x1e0: return 8;
36 case 0x160: return 12;
37 default:
38 return 0;
39 }
40}
41
42static __inline__ unsigned long ide_default_io_base(int index)
43{
44 switch (index) {
45 case 0: return 0x1f0;
46 case 1: return 0x170;
47 case 2: return 0x1e8;
48 case 3: return 0x168;
49 case 4: return 0x1e0;
50 case 5: return 0x160;
51 default:
52 return 0;
53 }
54}
55
56#define IDE_ARCH_OBSOLETE_INIT
57#define ide_default_io_ctl(base) ((base) + 0x206) /* obsolete */
58
59#ifdef CONFIG_BLK_DEV_IDEPCI
60#define ide_init_default_irq(base) (0)
61#else
62#define ide_init_default_irq(base) ide_default_irq(base)
63#endif
64
65#include <asm-generic/ide_iops.h>
66
67#endif /* __KERNEL__ */
68
69#endif /* __ASMi386_IDE_H */