[XFS] Remove xfs_physmem
[wrt350n-kernel.git] / include / asm-mips / mach-generic / floppy.h
blob001a8ce17c1733f390291451b5c87985efbd97dd
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.
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
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>
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>
28 * How to access the FDC's registers.
30 static inline unsigned char fd_inb(unsigned int port)
32 return inb_p(port);
35 static inline void fd_outb(unsigned char value, unsigned int port)
37 outb_p(value, port);
41 * How to access the floppy DMA functions.
43 static inline void fd_enable_dma(void)
45 enable_dma(FLOPPY_DMA);
48 static inline void fd_disable_dma(void)
50 disable_dma(FLOPPY_DMA);
53 static inline int fd_request_dma(void)
55 return request_dma(FLOPPY_DMA, "floppy");
58 static inline void fd_free_dma(void)
60 free_dma(FLOPPY_DMA);
63 static inline void fd_clear_dma_ff(void)
65 clear_dma_ff(FLOPPY_DMA);
68 static inline void fd_set_dma_mode(char mode)
70 set_dma_mode(FLOPPY_DMA, mode);
73 static inline void fd_set_dma_addr(char *addr)
75 set_dma_addr(FLOPPY_DMA, (unsigned long) addr);
78 static inline void fd_set_dma_count(unsigned int count)
80 set_dma_count(FLOPPY_DMA, count);
83 static inline int fd_get_dma_residue(void)
85 return get_dma_residue(FLOPPY_DMA);
88 static inline void fd_enable_irq(void)
90 enable_irq(FLOPPY_IRQ);
93 static inline void fd_disable_irq(void)
95 disable_irq(FLOPPY_IRQ);
98 static inline int fd_request_irq(void)
100 return request_irq(FLOPPY_IRQ, floppy_interrupt,
101 IRQF_DISABLED, "floppy", NULL);
104 static inline void fd_free_irq(void)
106 free_irq(FLOPPY_IRQ, NULL);
109 #define fd_free_irq() free_irq(FLOPPY_IRQ, NULL);
112 static inline unsigned long fd_getfdaddr1(void)
114 return 0x3f0;
117 static inline unsigned long fd_dma_mem_alloc(unsigned long size)
119 unsigned long mem;
121 mem = __get_dma_pages(GFP_KERNEL, get_order(size));
123 return mem;
126 static inline void fd_dma_mem_free(unsigned long addr, unsigned long size)
128 free_pages(addr, get_order(size));
131 static inline unsigned long fd_drive_type(unsigned long n)
133 if (n == 0)
134 return 4; /* 3,5", 1.44mb */
136 return 0;
139 #endif /* __ASM_MACH_GENERIC_FLOPPY_H */