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-rw-r--r--arch/mips/include/asm/mach-generic/floppy.h139
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 */
30static inline unsigned char fd_inb(unsigned int port)
31{
32 return inb_p(port);
33}
34
35static 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 */
43static inline void fd_enable_dma(void)
44{
45 enable_dma(FLOPPY_DMA);
46}
47
48static inline void fd_disable_dma(void)
49{
50 disable_dma(FLOPPY_DMA);
51}
52
53static inline int fd_request_dma(void)
54{
55 return request_dma(FLOPPY_DMA, "floppy");
56}
57
58static inline void fd_free_dma(void)
59{
60 free_dma(FLOPPY_DMA);
61}
62
63static inline void fd_clear_dma_ff(void)
64{
65 clear_dma_ff(FLOPPY_DMA);
66}
67
68static inline void fd_set_dma_mode(char mode)
69{
70 set_dma_mode(FLOPPY_DMA, mode);
71}
72
73static inline void fd_set_dma_addr(char *addr)
74{
75 set_dma_addr(FLOPPY_DMA, (unsigned long) addr);
76}
77
78static inline void fd_set_dma_count(unsigned int count)
79{
80 set_dma_count(FLOPPY_DMA, count);
81}
82
83static inline int fd_get_dma_residue(void)
84{
85 return get_dma_residue(FLOPPY_DMA);
86}
87
88static inline void fd_enable_irq(void)
89{
90 enable_irq(FLOPPY_IRQ);
91}
92
93static inline void fd_disable_irq(void)
94{
95 disable_irq(FLOPPY_IRQ);
96}
97
98static inline int fd_request_irq(void)
99{
100 return request_irq(FLOPPY_IRQ, floppy_interrupt,
101 IRQF_DISABLED, "floppy", NULL);
102}
103
104static 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
112static inline unsigned long fd_getfdaddr1(void)
113{
114 return 0x3f0;
115}
116
117static 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
126static inline void fd_dma_mem_free(unsigned long addr, unsigned long size)
127{
128 free_pages(addr, get_order(size));
129}
130
131static 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 */