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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 | /* * linux/include/asm-arm/io.h * * Copyright (C) 1996-2000 Russell King * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * * Modifications: * 16-Sep-1996 RMK Inlined the inx/outx functions & optimised for both * constant addresses and variable addresses. * 04-Dec-1997 RMK Moved a lot of this stuff to the new architecture * specific IO header files. * 27-Mar-1999 PJB Second parameter of memcpy_toio is const.. * 04-Apr-1999 PJB Added check_signature. * 12-Dec-1999 RMK More cleanups * 18-Jun-2000 RMK Removed virt_to_* and friends definitions */ #ifndef __ASM_ARM_IO_H #define __ASM_ARM_IO_H #include <linux/types.h> #include <asm/arch/hardware.h> #include <asm/arch/io.h> #define outb_p(val,port) outb((val),(port)) #define outw_p(val,port) outw((val),(port)) #define outl_p(val,port) outl((val),(port)) #define inb_p(port) inb((port)) #define inw_p(port) inw((port)) #define inl_p(port) inl((port)) extern void outsb(unsigned int port, const void *from, int len); extern void outsw(unsigned int port, const void *from, int len); extern void outsl(unsigned int port, const void *from, int len); extern void insb(unsigned int port, void *from, int len); extern void insw(unsigned int port, void *from, int len); extern void insl(unsigned int port, void *from, int len); #define outsb_p(port,from,len) outsb(port,from,len) #define outsw_p(port,from,len) outsw(port,from,len) #define outsl_p(port,from,len) outsl(port,from,len) #define insb_p(port,to,len) insb(port,to,len) #define insw_p(port,to,len) insw(port,to,len) #define insl_p(port,to,len) insl(port,to,len) #ifdef __KERNEL__ #include <asm/memory.h> /* the following macro is depreciated */ #define ioaddr(port) __ioaddr((port)) /* * ioremap and friends */ extern void * __ioremap(unsigned long offset, size_t size, unsigned long flags); extern void __iounmap(void *addr); #define ioremap(off,sz) __arch_ioremap((off),(sz),0) #define ioremap_nocache(off,sz) __arch_ioremap((off),(sz),1) #define iounmap(_addr) __iounmap(_addr) /* * DMA-consistent mapping functions. These allocate/free a region of * uncached, unwrite-buffered mapped memory space for use with DMA * devices. This is the "generic" version. The PCI specific version * is in pci.h */ extern void *consistent_alloc(int gfp, size_t size, dma_addr_t *handle); extern void consistent_free(void *vaddr); extern void consistent_sync(void *vaddr, size_t size, int rw); extern void __readwrite_bug(const char *fn); /* * String version of IO memory access ops: */ extern void _memcpy_fromio(void *, unsigned long, size_t); extern void _memcpy_toio(unsigned long, const void *, size_t); extern void _memset_io(unsigned long, int, size_t); #define __raw_writeb(val,addr) __arch_putb(val,addr) #define __raw_writew(val,addr) __arch_putw(val,addr) #define __raw_writel(val,addr) __arch_putl(val,addr) #define __raw_readb(addr) __arch_getb(addr) #define __raw_readw(addr) __arch_getw(addr) #define __raw_readl(addr) __arch_getl(addr) /* * If this architecture has PCI memory IO, then define the read/write * macros. */ #ifdef __mem_pci #define readb(addr) __arch_getb(__mem_pci(addr)) #define readw(addr) __arch_getw(__mem_pci(addr)) #define readl(addr) __arch_getl(__mem_pci(addr)) #define writeb(val,addr) __arch_putb(val,__mem_pci(addr)) #define writew(val,addr) __arch_putw(val,__mem_pci(addr)) #define writel(val,addr) __arch_putl(val,__mem_pci(addr)) #define memset_io(a,b,c) _memset_io(__mem_pci(a),(b),(c)) #define memcpy_fromio(a,b,c) _memcpy_fromio((a),__mem_pci(b),(c)) #define memcpy_toio(a,b,c) _memcpy_toio(__mem_pci(a),(b),(c)) #define eth_io_copy_and_sum(a,b,c,d) \ eth_copy_and_sum((a),__mem_pci(b),(c),(d)) static inline int check_signature(unsigned long io_addr, const unsigned char *signature, int length) { int retval = 0; do { if (readb(io_addr) != *signature) goto out; io_addr++; signature++; length--; } while (length); retval = 1; out: return retval; } #else /* __mem_pci */ #define readb(addr) (__readwrite_bug("readb"),0) #define readw(addr) (__readwrite_bug("readw"),0) #define readl(addr) (__readwrite_bug("readl"),0) #define writeb(v,addr) __readwrite_bug("writeb") #define writew(v,addr) __readwrite_bug("writew") #define writel(v,addr) __readwrite_bug("writel") #define eth_io_copy_and_sum(a,b,c,d) __readwrite_bug("eth_io_copy_and_sum") #define check_signature(io,sig,len) (0) #endif /* __mem_pci */ /* * If this architecture has ISA IO, then define the isa_read/isa_write * macros. */ #ifdef __mem_isa #define isa_readb(addr) __arch_getb(__mem_isa(addr)) #define isa_readw(addr) __arch_getw(__mem_isa(addr)) #define isa_readl(addr) __arch_getl(__mem_isa(addr)) #define isa_writeb(val,addr) __arch_putb(val,__mem_isa(addr)) #define isa_writew(val,addr) __arch_putw(val,__mem_isa(addr)) #define isa_writel(val,addr) __arch_putl(val,__mem_isa(addr)) #define isa_memset_io(a,b,c) _memset_io(__mem_isa(a),(b),(c)) #define isa_memcpy_fromio(a,b,c) _memcpy_fromio((a),__mem_isa(b),(c)) #define isa_memcpy_toio(a,b,c) _memcpy_toio(__mem_isa((a)),(b),(c)) #define isa_eth_io_copy_and_sum(a,b,c,d) \ eth_copy_and_sum((a),__mem_isa(b),(c),(d)) static inline int isa_check_signature(unsigned long io_addr, const unsigned char *signature, int length) { int retval = 0; do { if (isa_readb(io_addr) != *signature) goto out; io_addr++; signature++; length--; } while (length); retval = 1; out: return retval; } #else /* __mem_isa */ #define isa_readb(addr) (__readwrite_bug("isa_readb"),0) #define isa_readw(addr) (__readwrite_bug("isa_readw"),0) #define isa_readl(addr) (__readwrite_bug("isa_readl"),0) #define isa_writeb(val,addr) __readwrite_bug("isa_writeb") #define isa_writew(val,addr) __readwrite_bug("isa_writew") #define isa_writel(val,addr) __readwrite_bug("isa_writel") #define isa_memset_io(a,b,c) __readwrite_bug("isa_memset_io") #define isa_memcpy_fromio(a,b,c) __readwrite_bug("isa_memcpy_fromio") #define isa_memcpy_toio(a,b,c) __readwrite_bug("isa_memcpy_toio") #define isa_eth_io_copy_and_sum(a,b,c,d) \ __readwrite_bug("isa_eth_io_copy_and_sum") #define isa_check_signature(io,sig,len) (0) #endif /* __mem_isa */ #endif /* __KERNEL__ */ #endif /* __ASM_ARM_IO_H */ |