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 */ |