1 /*
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
28 static __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
42 static __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 */
70
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