diff options
Diffstat (limited to 'arch/mips/include/asm/mach-generic/floppy.h')
-rw-r--r-- | arch/mips/include/asm/mach-generic/floppy.h | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mach-generic/floppy.h b/arch/mips/include/asm/mach-generic/floppy.h new file mode 100644 index 000000000000..001a8ce17c17 --- /dev/null +++ b/arch/mips/include/asm/mach-generic/floppy.h | |||
@@ -0,0 +1,139 @@ | |||
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 | * Copyright (C) 1996, 1997, 1998, 2003 by Ralf Baechle | ||
7 | */ | ||
8 | #ifndef __ASM_MACH_GENERIC_FLOPPY_H | ||
9 | #define __ASM_MACH_GENERIC_FLOPPY_H | ||
10 | |||
11 | #include <linux/delay.h> | ||
12 | #include <linux/init.h> | ||
13 | #include <linux/ioport.h> | ||
14 | #include <linux/sched.h> | ||
15 | #include <linux/linkage.h> | ||
16 | #include <linux/types.h> | ||
17 | #include <linux/mm.h> | ||
18 | |||
19 | #include <asm/bootinfo.h> | ||
20 | #include <asm/cachectl.h> | ||
21 | #include <asm/dma.h> | ||
22 | #include <asm/floppy.h> | ||
23 | #include <asm/io.h> | ||
24 | #include <asm/irq.h> | ||
25 | #include <asm/pgtable.h> | ||
26 | |||
27 | /* | ||
28 | * How to access the FDC's registers. | ||
29 | */ | ||
30 | static inline unsigned char fd_inb(unsigned int port) | ||
31 | { | ||
32 | return inb_p(port); | ||
33 | } | ||
34 | |||
35 | static inline void fd_outb(unsigned char value, unsigned int port) | ||
36 | { | ||
37 | outb_p(value, port); | ||
38 | } | ||
39 | |||
40 | /* | ||
41 | * How to access the floppy DMA functions. | ||
42 | */ | ||
43 | static inline void fd_enable_dma(void) | ||
44 | { | ||
45 | enable_dma(FLOPPY_DMA); | ||
46 | } | ||
47 | |||
48 | static inline void fd_disable_dma(void) | ||
49 | { | ||
50 | disable_dma(FLOPPY_DMA); | ||
51 | } | ||
52 | |||
53 | static inline int fd_request_dma(void) | ||
54 | { | ||
55 | return request_dma(FLOPPY_DMA, "floppy"); | ||
56 | } | ||
57 | |||
58 | static inline void fd_free_dma(void) | ||
59 | { | ||
60 | free_dma(FLOPPY_DMA); | ||
61 | } | ||
62 | |||
63 | static inline void fd_clear_dma_ff(void) | ||
64 | { | ||
65 | clear_dma_ff(FLOPPY_DMA); | ||
66 | } | ||
67 | |||
68 | static inline void fd_set_dma_mode(char mode) | ||
69 | { | ||
70 | set_dma_mode(FLOPPY_DMA, mode); | ||
71 | } | ||
72 | |||
73 | static inline void fd_set_dma_addr(char *addr) | ||
74 | { | ||
75 | set_dma_addr(FLOPPY_DMA, (unsigned long) addr); | ||
76 | } | ||
77 | |||
78 | static inline void fd_set_dma_count(unsigned int count) | ||
79 | { | ||
80 | set_dma_count(FLOPPY_DMA, count); | ||
81 | } | ||
82 | |||
83 | static inline int fd_get_dma_residue(void) | ||
84 | { | ||
85 | return get_dma_residue(FLOPPY_DMA); | ||
86 | } | ||
87 | |||
88 | static inline void fd_enable_irq(void) | ||
89 | { | ||
90 | enable_irq(FLOPPY_IRQ); | ||
91 | } | ||
92 | |||
93 | static inline void fd_disable_irq(void) | ||
94 | { | ||
95 | disable_irq(FLOPPY_IRQ); | ||
96 | } | ||
97 | |||
98 | static inline int fd_request_irq(void) | ||
99 | { | ||
100 | return request_irq(FLOPPY_IRQ, floppy_interrupt, | ||
101 | IRQF_DISABLED, "floppy", NULL); | ||
102 | } | ||
103 | |||
104 | static inline void fd_free_irq(void) | ||
105 | { | ||
106 | free_irq(FLOPPY_IRQ, NULL); | ||
107 | } | ||
108 | |||
109 | #define fd_free_irq() free_irq(FLOPPY_IRQ, NULL); | ||
110 | |||
111 | |||
112 | static inline unsigned long fd_getfdaddr1(void) | ||
113 | { | ||
114 | return 0x3f0; | ||
115 | } | ||
116 | |||
117 | static inline unsigned long fd_dma_mem_alloc(unsigned long size) | ||
118 | { | ||
119 | unsigned long mem; | ||
120 | |||
121 | mem = __get_dma_pages(GFP_KERNEL, get_order(size)); | ||
122 | |||
123 | return mem; | ||
124 | } | ||
125 | |||
126 | static inline void fd_dma_mem_free(unsigned long addr, unsigned long size) | ||
127 | { | ||
128 | free_pages(addr, get_order(size)); | ||
129 | } | ||
130 | |||
131 | static inline unsigned long fd_drive_type(unsigned long n) | ||
132 | { | ||
133 | if (n == 0) | ||
134 | return 4; /* 3,5", 1.44mb */ | ||
135 | |||
136 | return 0; | ||
137 | } | ||
138 | |||
139 | #endif /* __ASM_MACH_GENERIC_FLOPPY_H */ | ||