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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/ioport.h>
13#include <linux/sched.h>
14#include <linux/linkage.h>
15#include <linux/types.h>
16#include <linux/mm.h>
17
18#include <asm/bootinfo.h>
19#include <asm/cachectl.h>
20#include <asm/dma.h>
21#include <asm/floppy.h>
22#include <asm/io.h>
23#include <asm/irq.h>
24
25/*
26 * How to access the FDC's registers.
27 */
28static inline unsigned char fd_inb(unsigned int base, unsigned int reg)
29{
30 return inb_p(base + reg);
31}
32
33static inline void fd_outb(unsigned char value, unsigned int base, unsigned int reg)
34{
35 outb_p(value, base + reg);
36}
37
38/*
39 * How to access the floppy DMA functions.
40 */
41static inline void fd_enable_dma(void)
42{
43 enable_dma(FLOPPY_DMA);
44}
45
46static inline void fd_disable_dma(void)
47{
48 disable_dma(FLOPPY_DMA);
49}
50
51static inline int fd_request_dma(void)
52{
53 return request_dma(FLOPPY_DMA, "floppy");
54}
55
56static inline void fd_free_dma(void)
57{
58 free_dma(FLOPPY_DMA);
59}
60
61static inline void fd_clear_dma_ff(void)
62{
63 clear_dma_ff(FLOPPY_DMA);
64}
65
66static inline void fd_set_dma_mode(char mode)
67{
68 set_dma_mode(FLOPPY_DMA, mode);
69}
70
71static inline void fd_set_dma_addr(char *addr)
72{
73 set_dma_addr(FLOPPY_DMA, (unsigned long) addr);
74}
75
76static inline void fd_set_dma_count(unsigned int count)
77{
78 set_dma_count(FLOPPY_DMA, count);
79}
80
81static inline int fd_get_dma_residue(void)
82{
83 return get_dma_residue(FLOPPY_DMA);
84}
85
86static inline void fd_enable_irq(void)
87{
88 enable_irq(FLOPPY_IRQ);
89}
90
91static inline void fd_disable_irq(void)
92{
93 disable_irq(FLOPPY_IRQ);
94}
95
96static inline int fd_request_irq(void)
97{
98 return request_irq(FLOPPY_IRQ, floppy_interrupt,
99 0, "floppy", NULL);
100}
101
102static inline void fd_free_irq(void)
103{
104 free_irq(FLOPPY_IRQ, NULL);
105}
106
107#define fd_free_irq() free_irq(FLOPPY_IRQ, NULL);
108
109
110static inline unsigned long fd_getfdaddr1(void)
111{
112 return 0x3f0;
113}
114
115static inline unsigned long fd_dma_mem_alloc(unsigned long size)
116{
117 return __get_dma_pages(GFP_KERNEL, get_order(size));
118}
119
120static inline void fd_dma_mem_free(unsigned long addr, unsigned long size)
121{
122 free_pages(addr, get_order(size));
123}
124
125static inline unsigned long fd_drive_type(unsigned long n)
126{
127 if (n == 0)
128 return 4; /* 3,5", 1.44mb */
129
130 return 0;
131}
132
133#endif /* __ASM_MACH_GENERIC_FLOPPY_H */
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/ioport.h>
13#include <linux/sched.h>
14#include <linux/linkage.h>
15#include <linux/types.h>
16#include <linux/mm.h>
17
18#include <asm/bootinfo.h>
19#include <asm/cachectl.h>
20#include <asm/dma.h>
21#include <asm/floppy.h>
22#include <asm/io.h>
23#include <asm/irq.h>
24
25/*
26 * How to access the FDC's registers.
27 */
28static inline unsigned char fd_inb(unsigned int base, unsigned int reg)
29{
30 return inb_p(base + reg);
31}
32
33static inline void fd_outb(unsigned char value, unsigned int base, unsigned int reg)
34{
35 outb_p(value, base + reg);
36}
37
38/*
39 * How to access the floppy DMA functions.
40 */
41static inline void fd_enable_dma(void)
42{
43 enable_dma(FLOPPY_DMA);
44}
45
46static inline void fd_disable_dma(void)
47{
48 disable_dma(FLOPPY_DMA);
49}
50
51static inline int fd_request_dma(void)
52{
53 return request_dma(FLOPPY_DMA, "floppy");
54}
55
56static inline void fd_free_dma(void)
57{
58 free_dma(FLOPPY_DMA);
59}
60
61static inline void fd_clear_dma_ff(void)
62{
63 clear_dma_ff(FLOPPY_DMA);
64}
65
66static inline void fd_set_dma_mode(char mode)
67{
68 set_dma_mode(FLOPPY_DMA, mode);
69}
70
71static inline void fd_set_dma_addr(char *addr)
72{
73 set_dma_addr(FLOPPY_DMA, (unsigned long) addr);
74}
75
76static inline void fd_set_dma_count(unsigned int count)
77{
78 set_dma_count(FLOPPY_DMA, count);
79}
80
81static inline int fd_get_dma_residue(void)
82{
83 return get_dma_residue(FLOPPY_DMA);
84}
85
86static inline void fd_enable_irq(void)
87{
88 enable_irq(FLOPPY_IRQ);
89}
90
91static inline void fd_disable_irq(void)
92{
93 disable_irq(FLOPPY_IRQ);
94}
95
96static inline int fd_request_irq(void)
97{
98 return request_irq(FLOPPY_IRQ, floppy_interrupt,
99 0, "floppy", NULL);
100}
101
102static inline void fd_free_irq(void)
103{
104 free_irq(FLOPPY_IRQ, NULL);
105}
106
107#define fd_free_irq() free_irq(FLOPPY_IRQ, NULL);
108
109
110static inline unsigned long fd_getfdaddr1(void)
111{
112 return 0x3f0;
113}
114
115static inline unsigned long fd_dma_mem_alloc(unsigned long size)
116{
117 return __get_dma_pages(GFP_KERNEL, get_order(size));
118}
119
120static inline void fd_dma_mem_free(unsigned long addr, unsigned long size)
121{
122 free_pages(addr, get_order(size));
123}
124
125static inline unsigned long fd_drive_type(unsigned long n)
126{
127 if (n == 0)
128 return 4; /* 3,5", 1.44mb */
129
130 return 0;
131}
132
133#endif /* __ASM_MACH_GENERIC_FLOPPY_H */