diff options
author | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-16 18:20:36 -0400 |
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committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-16 18:20:36 -0400 |
commit | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (patch) | |
tree | 0bba044c4ce775e45a88a51686b5d9f90697ea9d /include/asm-m68k/ide.h |
Linux-2.6.12-rc2v2.6.12-rc2
Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.
Let it rip!
Diffstat (limited to 'include/asm-m68k/ide.h')
-rw-r--r-- | include/asm-m68k/ide.h | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/include/asm-m68k/ide.h b/include/asm-m68k/ide.h new file mode 100644 index 000000000000..36118fd01867 --- /dev/null +++ b/include/asm-m68k/ide.h | |||
@@ -0,0 +1,144 @@ | |||
1 | /* | ||
2 | * linux/include/asm-m68k/ide.h | ||
3 | * | ||
4 | * Copyright (C) 1994-1996 Linus Torvalds & authors | ||
5 | */ | ||
6 | |||
7 | /* Copyright(c) 1996 Kars de Jong */ | ||
8 | /* Based on the ide driver from 1.2.13pl8 */ | ||
9 | |||
10 | /* | ||
11 | * Credits (alphabetical): | ||
12 | * | ||
13 | * - Bjoern Brauel | ||
14 | * - Kars de Jong | ||
15 | * - Torsten Ebeling | ||
16 | * - Dwight Engen | ||
17 | * - Thorsten Floeck | ||
18 | * - Roman Hodek | ||
19 | * - Guenther Kelleter | ||
20 | * - Chris Lawrence | ||
21 | * - Michael Rausch | ||
22 | * - Christian Sauer | ||
23 | * - Michael Schmitz | ||
24 | * - Jes Soerensen | ||
25 | * - Michael Thurm | ||
26 | * - Geert Uytterhoeven | ||
27 | */ | ||
28 | |||
29 | #ifndef _M68K_IDE_H | ||
30 | #define _M68K_IDE_H | ||
31 | |||
32 | #ifdef __KERNEL__ | ||
33 | |||
34 | #include <linux/config.h> | ||
35 | |||
36 | #include <asm/setup.h> | ||
37 | #include <asm/io.h> | ||
38 | #include <asm/irq.h> | ||
39 | |||
40 | #ifdef CONFIG_ATARI | ||
41 | #include <linux/interrupt.h> | ||
42 | #include <asm/atari_stdma.h> | ||
43 | #endif | ||
44 | |||
45 | #ifdef CONFIG_MAC | ||
46 | #include <asm/macints.h> | ||
47 | #endif | ||
48 | |||
49 | #ifndef MAX_HWIFS | ||
50 | #define MAX_HWIFS 4 /* same as the other archs */ | ||
51 | #endif | ||
52 | |||
53 | /* | ||
54 | * Get rid of defs from io.h - ide has its private and conflicting versions | ||
55 | * Since so far no single m68k platform uses ISA/PCI I/O space for IDE, we | ||
56 | * always use the `raw' MMIO versions | ||
57 | */ | ||
58 | #undef inb | ||
59 | #undef inw | ||
60 | #undef insw | ||
61 | #undef inl | ||
62 | #undef insl | ||
63 | #undef outb | ||
64 | #undef outw | ||
65 | #undef outsw | ||
66 | #undef outl | ||
67 | #undef outsl | ||
68 | #undef readb | ||
69 | #undef readw | ||
70 | #undef readl | ||
71 | #undef writeb | ||
72 | #undef writew | ||
73 | #undef writel | ||
74 | |||
75 | #define inb in_8 | ||
76 | #define inw in_be16 | ||
77 | #define insw(port, addr, n) raw_insw((u16 *)port, addr, n) | ||
78 | #define inl in_be32 | ||
79 | #define insl(port, addr, n) raw_insl((u32 *)port, addr, n) | ||
80 | #define outb(val, port) out_8(port, val) | ||
81 | #define outw(val, port) out_be16(port, val) | ||
82 | #define outsw(port, addr, n) raw_outsw((u16 *)port, addr, n) | ||
83 | #define outl(val, port) out_be32(port, val) | ||
84 | #define outsl(port, addr, n) raw_outsl((u32 *)port, addr, n) | ||
85 | #define readb in_8 | ||
86 | #define readw in_be16 | ||
87 | #define __ide_mm_insw(port, addr, n) raw_insw((u16 *)port, addr, n) | ||
88 | #define readl in_be32 | ||
89 | #define __ide_mm_insl(port, addr, n) raw_insl((u32 *)port, addr, n) | ||
90 | #define writeb(val, port) out_8(port, val) | ||
91 | #define writew(val, port) out_be16(port, val) | ||
92 | #define __ide_mm_outsw(port, addr, n) raw_outsw((u16 *)port, addr, n) | ||
93 | #define writel(val, port) out_be32(port, val) | ||
94 | #define __ide_mm_outsl(port, addr, n) raw_outsl((u32 *)port, addr, n) | ||
95 | #if defined(CONFIG_ATARI) || defined(CONFIG_Q40) | ||
96 | #define insw_swapw(port, addr, n) raw_insw_swapw((u16 *)port, addr, n) | ||
97 | #define outsw_swapw(port, addr, n) raw_outsw_swapw((u16 *)port, addr, n) | ||
98 | #endif | ||
99 | |||
100 | |||
101 | /* Q40 and Atari have byteswapped IDE busses and since many interesting | ||
102 | * values in the identification string are text, chars and words they | ||
103 | * happened to be almost correct without swapping.. However *_capacity | ||
104 | * is needed for drives over 8 GB. RZ */ | ||
105 | #if defined(CONFIG_Q40) || defined(CONFIG_ATARI) | ||
106 | #define M68K_IDE_SWAPW (MACH_IS_Q40 || MACH_IS_ATARI) | ||
107 | #endif | ||
108 | |||
109 | #ifdef CONFIG_BLK_DEV_FALCON_IDE | ||
110 | #define IDE_ARCH_LOCK | ||
111 | |||
112 | extern int falconide_intr_lock; | ||
113 | |||
114 | static __inline__ void ide_release_lock (void) | ||
115 | { | ||
116 | if (MACH_IS_ATARI) { | ||
117 | if (falconide_intr_lock == 0) { | ||
118 | printk("ide_release_lock: bug\n"); | ||
119 | return; | ||
120 | } | ||
121 | falconide_intr_lock = 0; | ||
122 | stdma_release(); | ||
123 | } | ||
124 | } | ||
125 | |||
126 | static __inline__ void | ||
127 | ide_get_lock(irqreturn_t (*handler)(int, void *, struct pt_regs *), void *data) | ||
128 | { | ||
129 | if (MACH_IS_ATARI) { | ||
130 | if (falconide_intr_lock == 0) { | ||
131 | if (in_interrupt() > 0) | ||
132 | panic( "Falcon IDE hasn't ST-DMA lock in interrupt" ); | ||
133 | stdma_lock(handler, data); | ||
134 | falconide_intr_lock = 1; | ||
135 | } | ||
136 | } | ||
137 | } | ||
138 | #endif /* CONFIG_BLK_DEV_FALCON_IDE */ | ||
139 | |||
140 | #define IDE_ARCH_ACK_INTR | ||
141 | #define ide_ack_intr(hwif) ((hwif)->hw.ack_intr ? (hwif)->hw.ack_intr(hwif) : 1) | ||
142 | |||
143 | #endif /* __KERNEL__ */ | ||
144 | #endif /* _M68K_IDE_H */ | ||