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1da177e4 LT |
1 | /* |
2 | * linux/include/asm-ppc/ide.h | |
3 | * | |
4 | * Copyright (C) 1994-1996 Linus Torvalds & authors */ | |
5 | ||
6 | /* | |
7 | * This file contains the ppc architecture specific IDE code. | |
8 | */ | |
9 | ||
10 | #ifndef __ASMPPC_IDE_H | |
11 | #define __ASMPPC_IDE_H | |
12 | ||
13 | #ifdef __KERNEL__ | |
14 | ||
15 | #include <linux/sched.h> | |
16 | #include <asm/mpc8xx.h> | |
17 | ||
18 | #ifndef MAX_HWIFS | |
19 | #define MAX_HWIFS 8 | |
20 | #endif | |
21 | ||
22 | #include <linux/config.h> | |
23 | #include <linux/hdreg.h> | |
24 | #include <linux/ioport.h> | |
25 | #include <asm/io.h> | |
26 | ||
27 | extern void __ide_mm_insw(void __iomem *port, void *addr, u32 count); | |
28 | extern void __ide_mm_outsw(void __iomem *port, void *addr, u32 count); | |
29 | extern void __ide_mm_insl(void __iomem *port, void *addr, u32 count); | |
30 | extern void __ide_mm_outsl(void __iomem *port, void *addr, u32 count); | |
31 | ||
32 | struct ide_machdep_calls { | |
33 | int (*default_irq)(unsigned long base); | |
34 | unsigned long (*default_io_base)(int index); | |
35 | void (*ide_init_hwif)(hw_regs_t *hw, | |
36 | unsigned long data_port, | |
37 | unsigned long ctrl_port, | |
38 | int *irq); | |
39 | }; | |
40 | ||
41 | extern struct ide_machdep_calls ppc_ide_md; | |
42 | ||
43 | #undef SUPPORT_SLOW_DATA_PORTS | |
44 | #define SUPPORT_SLOW_DATA_PORTS 0 | |
45 | ||
46 | #define IDE_ARCH_OBSOLETE_DEFAULTS | |
47 | ||
48 | static __inline__ int ide_default_irq(unsigned long base) | |
49 | { | |
50 | if (ppc_ide_md.default_irq) | |
51 | return ppc_ide_md.default_irq(base); | |
52 | return 0; | |
53 | } | |
54 | ||
55 | static __inline__ unsigned long ide_default_io_base(int index) | |
56 | { | |
57 | if (ppc_ide_md.default_io_base) | |
58 | return ppc_ide_md.default_io_base(index); | |
59 | return 0; | |
60 | } | |
61 | ||
62 | #define IDE_ARCH_OBSOLETE_INIT | |
63 | #define ide_default_io_ctl(base) ((base) + 0x206) /* obsolete */ | |
64 | ||
65 | #ifdef CONFIG_PCI | |
66 | #define ide_init_default_irq(base) (0) | |
67 | #else | |
68 | #define ide_init_default_irq(base) ide_default_irq(base) | |
69 | #endif | |
70 | ||
71 | #if (defined CONFIG_APUS || defined CONFIG_BLK_DEV_MPC8xx_IDE ) | |
72 | #define IDE_ARCH_ACK_INTR 1 | |
73 | #define ide_ack_intr(hwif) (hwif->hw.ack_intr ? hwif->hw.ack_intr(hwif) : 1) | |
74 | #endif | |
75 | ||
76 | #endif /* __KERNEL__ */ | |
77 | ||
78 | #endif /* __ASMPPC_IDE_H */ |