mips: delete non-required instances of include <linux/init.h>
[linux-drm-fsl-dcu.git] / arch / mips / include / 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 #include <asm/pgtable.h>
25
26 /*
27  * How to access the FDC's registers.
28  */
29 static inline unsigned char fd_inb(unsigned int port)
30 {
31         return inb_p(port);
32 }
33
34 static inline void fd_outb(unsigned char value, unsigned int port)
35 {
36         outb_p(value, port);
37 }
38
39 /*
40  * How to access the floppy DMA functions.
41  */
42 static inline void fd_enable_dma(void)
43 {
44         enable_dma(FLOPPY_DMA);
45 }
46
47 static inline void fd_disable_dma(void)
48 {
49         disable_dma(FLOPPY_DMA);
50 }
51
52 static inline int fd_request_dma(void)
53 {
54         return request_dma(FLOPPY_DMA, "floppy");
55 }
56
57 static inline void fd_free_dma(void)
58 {
59         free_dma(FLOPPY_DMA);
60 }
61
62 static inline void fd_clear_dma_ff(void)
63 {
64         clear_dma_ff(FLOPPY_DMA);
65 }
66
67 static inline void fd_set_dma_mode(char mode)
68 {
69         set_dma_mode(FLOPPY_DMA, mode);
70 }
71
72 static inline void fd_set_dma_addr(char *addr)
73 {
74         set_dma_addr(FLOPPY_DMA, (unsigned long) addr);
75 }
76
77 static inline void fd_set_dma_count(unsigned int count)
78 {
79         set_dma_count(FLOPPY_DMA, count);
80 }
81
82 static inline int fd_get_dma_residue(void)
83 {
84         return get_dma_residue(FLOPPY_DMA);
85 }
86
87 static inline void fd_enable_irq(void)
88 {
89         enable_irq(FLOPPY_IRQ);
90 }
91
92 static inline void fd_disable_irq(void)
93 {
94         disable_irq(FLOPPY_IRQ);
95 }
96
97 static inline int fd_request_irq(void)
98 {
99         return request_irq(FLOPPY_IRQ, floppy_interrupt,
100                            0, "floppy", NULL);
101 }
102
103 static inline void fd_free_irq(void)
104 {
105         free_irq(FLOPPY_IRQ, NULL);
106 }
107
108 #define fd_free_irq()           free_irq(FLOPPY_IRQ, NULL);
109
110
111 static inline unsigned long fd_getfdaddr1(void)
112 {
113         return 0x3f0;
114 }
115
116 static inline unsigned long fd_dma_mem_alloc(unsigned long size)
117 {
118         unsigned long mem;
119
120         mem = __get_dma_pages(GFP_KERNEL, get_order(size));
121
122         return mem;
123 }
124
125 static inline void fd_dma_mem_free(unsigned long addr, unsigned long size)
126 {
127         free_pages(addr, get_order(size));
128 }
129
130 static inline unsigned long fd_drive_type(unsigned long n)
131 {
132         if (n == 0)
133                 return 4;       /* 3,5", 1.44mb */
134
135         return 0;
136 }
137
138 #endif /* __ASM_MACH_GENERIC_FLOPPY_H */