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