projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | #include <linux/module.h> |
| 2 | #include <linux/types.h> | |
| 3 | ||
| 4 | #include <asm/io.h> | |
| 5 | ||
| 6 | /* | |
| 7 | * Copy data from IO memory space to "real" memory space. | |
| 8 | * This needs to be optimized. | |
| 9 | */ | |
| 10 | void memcpy_fromio(void *to, const volatile void __iomem *from, long count) | |
| 11 | { | |
| 12 | char *dst = to; | |
| 13 | ||
| 14 | while (count) { | |
| 15 | count--; | |
| 16 | *dst++ = readb(from++); | |
| 17 | } | |
| 18 | } | |
| 19 | EXPORT_SYMBOL(memcpy_fromio); | |
| 20 | ||
| 21 | /* | |
| 22 | * Copy data from "real" memory space to IO memory space. | |
| 23 | * This needs to be optimized. | |
| 24 | */ | |
| 25 | void memcpy_toio(volatile void __iomem *to, const void *from, long count) | |
| 26 | { | |
| 27 | const char *src = from; | |
| 28 | ||
| 29 | while (count) { | |
| 30 | count--; | |
| 31 | writeb(*src++, to++); | |
| 32 | } | |
| 33 | } | |
| 34 | EXPORT_SYMBOL(memcpy_toio); | |
| 35 | ||
| 36 | /* | |
| 37 | * "memset" on IO memory space. | |
| 38 | * This needs to be optimized. | |
| 39 | */ | |
| 40 | void memset_io(volatile void __iomem *dst, int c, long count) | |
| 41 | { | |
| 42 | unsigned char ch = (char)(c & 0xff); | |
| 43 | ||
| 44 | while (count) { | |
| 45 | count--; | |
| 46 | writeb(ch, dst); | |
| 47 | dst++; | |
| 48 | } | |
| 49 | } | |
| 50 | EXPORT_SYMBOL(memset_io); | |
| 51 | ||
| 52 | #ifdef CONFIG_IA64_GENERIC | |
| 53 | ||
| 54 | #undef __ia64_inb | |
| 55 | #undef __ia64_inw | |
| 56 | #undef __ia64_inl | |
| 57 | #undef __ia64_outb | |
| 58 | #undef __ia64_outw | |
| 59 | #undef __ia64_outl | |
| 60 | #undef __ia64_readb | |
| 61 | #undef __ia64_readw | |
| 62 | #undef __ia64_readl | |
| 63 | #undef __ia64_readq | |
| 64 | #undef __ia64_readb_relaxed | |
| 65 | #undef __ia64_readw_relaxed | |
| 66 | #undef __ia64_readl_relaxed | |
| 67 | #undef __ia64_readq_relaxed | |
| 68 | #undef __ia64_writeb | |
| 69 | #undef __ia64_writew | |
| 70 | #undef __ia64_writel | |
| 71 | #undef __ia64_writeq | |
| 72 | #undef __ia64_mmiowb | |
| 73 | ||
| 74 | unsigned int | |
| 75 | __ia64_inb (unsigned long port) | |
| 76 | { | |
| 77 | return ___ia64_inb(port); | |
| 78 | } | |
| 79 | ||
| 80 | unsigned int | |
| 81 | __ia64_inw (unsigned long port) | |
| 82 | { | |
| 83 | return ___ia64_inw(port); | |
| 84 | } | |
| 85 | ||
| 86 | unsigned int | |
| 87 | __ia64_inl (unsigned long port) | |
| 88 | { | |
| 89 | return ___ia64_inl(port); | |
| 90 | } | |
| 91 | ||
| 92 | void | |
| 93 | __ia64_outb (unsigned char val, unsigned long port) | |
| 94 | { | |
| 95 | ___ia64_outb(val, port); | |
| 96 | } | |
| 97 | ||
| 98 | void | |
| 99 | __ia64_outw (unsigned short val, unsigned long port) | |
| 100 | { | |
| 101 | ___ia64_outw(val, port); | |
| 102 | } | |
| 103 | ||
| 104 | void | |
| 105 | __ia64_outl (unsigned int val, unsigned long port) | |
| 106 | { | |
| 107 | ___ia64_outl(val, port); | |
| 108 | } | |
| 109 | ||
| 110 | unsigned char | |
| 111 | __ia64_readb (void __iomem *addr) | |
| 112 | { | |
| 113 | return ___ia64_readb (addr); | |
| 114 | } | |
| 115 | ||
| 116 | unsigned short | |
| 117 | __ia64_readw (void __iomem *addr) | |
| 118 | { | |
| 119 | return ___ia64_readw (addr); | |
| 120 | } | |
| 121 | ||
| 122 | unsigned int | |
| 123 | __ia64_readl (void __iomem *addr) | |
| 124 | { | |
| 125 | return ___ia64_readl (addr); | |
| 126 | } | |
| 127 | ||
| 128 | unsigned long | |
| 129 | __ia64_readq (void __iomem *addr) | |
| 130 | { | |
| 131 | return ___ia64_readq (addr); | |
| 132 | } | |
| 133 | ||
| 134 | unsigned char | |
| 135 | __ia64_readb_relaxed (void __iomem *addr) | |
| 136 | { | |
| 137 | return ___ia64_readb (addr); | |
| 138 | } | |
| 139 | ||
| 140 | unsigned short | |
| 141 | __ia64_readw_relaxed (void __iomem *addr) | |
| 142 | { | |
| 143 | return ___ia64_readw (addr); | |
| 144 | } | |
| 145 | ||
| 146 | unsigned int | |
| 147 | __ia64_readl_relaxed (void __iomem *addr) | |
| 148 | { | |
| 149 | return ___ia64_readl (addr); | |
| 150 | } | |
| 151 | ||
| 152 | unsigned long | |
| 153 | __ia64_readq_relaxed (void __iomem *addr) | |
| 154 | { | |
| 155 | return ___ia64_readq (addr); | |
| 156 | } | |
| 157 | ||
| 158 | void | |
| 159 | __ia64_mmiowb(void) | |
| 160 | { | |
| 161 | ___ia64_mmiowb(); | |
| 162 | } | |
| 163 | ||
| 164 | #endif /* CONFIG_IA64_GENERIC */ |