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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 | /* * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * * Copyright (C) 1996, 1997, 1998, 2003 by Ralf Baechle */ #ifndef __ASM_MACH_GENERIC_FLOPPY_H #define __ASM_MACH_GENERIC_FLOPPY_H #include <linux/delay.h> #include <linux/ioport.h> #include <linux/sched.h> #include <linux/linkage.h> #include <linux/types.h> #include <linux/mm.h> #include <asm/bootinfo.h> #include <asm/cachectl.h> #include <asm/dma.h> #include <asm/floppy.h> #include <asm/io.h> #include <asm/irq.h> /* * How to access the FDC's registers. */ static inline unsigned char fd_inb(unsigned int base, unsigned int reg) { return inb_p(base + reg); } static inline void fd_outb(unsigned char value, unsigned int base, unsigned int reg) { outb_p(value, base + reg); } /* * How to access the floppy DMA functions. */ static inline void fd_enable_dma(void) { enable_dma(FLOPPY_DMA); } static inline void fd_disable_dma(void) { disable_dma(FLOPPY_DMA); } static inline int fd_request_dma(void) { return request_dma(FLOPPY_DMA, "floppy"); } static inline void fd_free_dma(void) { free_dma(FLOPPY_DMA); } static inline void fd_clear_dma_ff(void) { clear_dma_ff(FLOPPY_DMA); } static inline void fd_set_dma_mode(char mode) { set_dma_mode(FLOPPY_DMA, mode); } static inline void fd_set_dma_addr(char *addr) { set_dma_addr(FLOPPY_DMA, (unsigned long) addr); } static inline void fd_set_dma_count(unsigned int count) { set_dma_count(FLOPPY_DMA, count); } static inline int fd_get_dma_residue(void) { return get_dma_residue(FLOPPY_DMA); } static inline void fd_enable_irq(void) { enable_irq(FLOPPY_IRQ); } static inline void fd_disable_irq(void) { disable_irq(FLOPPY_IRQ); } static inline int fd_request_irq(void) { return request_irq(FLOPPY_IRQ, floppy_interrupt, 0, "floppy", NULL); } static inline void fd_free_irq(void) { free_irq(FLOPPY_IRQ, NULL); } #define fd_free_irq() free_irq(FLOPPY_IRQ, NULL); static inline unsigned long fd_getfdaddr1(void) { return 0x3f0; } static inline unsigned long fd_dma_mem_alloc(unsigned long size) { return __get_dma_pages(GFP_KERNEL, get_order(size)); } static inline void fd_dma_mem_free(unsigned long addr, unsigned long size) { free_pages(addr, get_order(size)); } static inline unsigned long fd_drive_type(unsigned long n) { if (n == 0) return 4; /* 3,5", 1.44mb */ return 0; } #endif /* __ASM_MACH_GENERIC_FLOPPY_H */ |