diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2007-10-11 05:20:03 -0400 |
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committer | Thomas Gleixner <tglx@linutronix.de> | 2007-10-11 05:20:03 -0400 |
commit | 96a388de5dc53a8b234b3fd41f3ae2cedc9ffd42 (patch) | |
tree | d947a467aa2da3140279617bc4b9b101640d7bf4 /include/asm-i386/dma-mapping.h | |
parent | 27bd0c955648646abf2a353a8371d28c37bcd982 (diff) |
i386/x86_64: move headers to include/asm-x86
Move the headers to include/asm-x86 and fixup the
header install make rules
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-i386/dma-mapping.h')
-rw-r--r-- | include/asm-i386/dma-mapping.h | 186 |
1 files changed, 0 insertions, 186 deletions
diff --git a/include/asm-i386/dma-mapping.h b/include/asm-i386/dma-mapping.h deleted file mode 100644 index f1d72d177f68..000000000000 --- a/include/asm-i386/dma-mapping.h +++ /dev/null | |||
@@ -1,186 +0,0 @@ | |||
1 | #ifndef _ASM_I386_DMA_MAPPING_H | ||
2 | #define _ASM_I386_DMA_MAPPING_H | ||
3 | |||
4 | #include <linux/mm.h> | ||
5 | |||
6 | #include <asm/cache.h> | ||
7 | #include <asm/io.h> | ||
8 | #include <asm/scatterlist.h> | ||
9 | #include <asm/bug.h> | ||
10 | |||
11 | #define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f) | ||
12 | #define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h) | ||
13 | |||
14 | void *dma_alloc_coherent(struct device *dev, size_t size, | ||
15 | dma_addr_t *dma_handle, gfp_t flag); | ||
16 | |||
17 | void dma_free_coherent(struct device *dev, size_t size, | ||
18 | void *vaddr, dma_addr_t dma_handle); | ||
19 | |||
20 | static inline dma_addr_t | ||
21 | dma_map_single(struct device *dev, void *ptr, size_t size, | ||
22 | enum dma_data_direction direction) | ||
23 | { | ||
24 | BUG_ON(!valid_dma_direction(direction)); | ||
25 | WARN_ON(size == 0); | ||
26 | flush_write_buffers(); | ||
27 | return virt_to_phys(ptr); | ||
28 | } | ||
29 | |||
30 | static inline void | ||
31 | dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size, | ||
32 | enum dma_data_direction direction) | ||
33 | { | ||
34 | BUG_ON(!valid_dma_direction(direction)); | ||
35 | } | ||
36 | |||
37 | static inline int | ||
38 | dma_map_sg(struct device *dev, struct scatterlist *sg, int nents, | ||
39 | enum dma_data_direction direction) | ||
40 | { | ||
41 | int i; | ||
42 | |||
43 | BUG_ON(!valid_dma_direction(direction)); | ||
44 | WARN_ON(nents == 0 || sg[0].length == 0); | ||
45 | |||
46 | for (i = 0; i < nents; i++ ) { | ||
47 | BUG_ON(!sg[i].page); | ||
48 | |||
49 | sg[i].dma_address = page_to_phys(sg[i].page) + sg[i].offset; | ||
50 | } | ||
51 | |||
52 | flush_write_buffers(); | ||
53 | return nents; | ||
54 | } | ||
55 | |||
56 | static inline dma_addr_t | ||
57 | dma_map_page(struct device *dev, struct page *page, unsigned long offset, | ||
58 | size_t size, enum dma_data_direction direction) | ||
59 | { | ||
60 | BUG_ON(!valid_dma_direction(direction)); | ||
61 | return page_to_phys(page) + offset; | ||
62 | } | ||
63 | |||
64 | static inline void | ||
65 | dma_unmap_page(struct device *dev, dma_addr_t dma_address, size_t size, | ||
66 | enum dma_data_direction direction) | ||
67 | { | ||
68 | BUG_ON(!valid_dma_direction(direction)); | ||
69 | } | ||
70 | |||
71 | |||
72 | static inline void | ||
73 | dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries, | ||
74 | enum dma_data_direction direction) | ||
75 | { | ||
76 | BUG_ON(!valid_dma_direction(direction)); | ||
77 | } | ||
78 | |||
79 | static inline void | ||
80 | dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle, size_t size, | ||
81 | enum dma_data_direction direction) | ||
82 | { | ||
83 | } | ||
84 | |||
85 | static inline void | ||
86 | dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle, size_t size, | ||
87 | enum dma_data_direction direction) | ||
88 | { | ||
89 | flush_write_buffers(); | ||
90 | } | ||
91 | |||
92 | static inline void | ||
93 | dma_sync_single_range_for_cpu(struct device *dev, dma_addr_t dma_handle, | ||
94 | unsigned long offset, size_t size, | ||
95 | enum dma_data_direction direction) | ||
96 | { | ||
97 | } | ||
98 | |||
99 | static inline void | ||
100 | dma_sync_single_range_for_device(struct device *dev, dma_addr_t dma_handle, | ||
101 | unsigned long offset, size_t size, | ||
102 | enum dma_data_direction direction) | ||
103 | { | ||
104 | flush_write_buffers(); | ||
105 | } | ||
106 | |||
107 | static inline void | ||
108 | dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nelems, | ||
109 | enum dma_data_direction direction) | ||
110 | { | ||
111 | } | ||
112 | |||
113 | static inline void | ||
114 | dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, int nelems, | ||
115 | enum dma_data_direction direction) | ||
116 | { | ||
117 | flush_write_buffers(); | ||
118 | } | ||
119 | |||
120 | static inline int | ||
121 | dma_mapping_error(dma_addr_t dma_addr) | ||
122 | { | ||
123 | return 0; | ||
124 | } | ||
125 | |||
126 | extern int forbid_dac; | ||
127 | |||
128 | static inline int | ||
129 | dma_supported(struct device *dev, u64 mask) | ||
130 | { | ||
131 | /* | ||
132 | * we fall back to GFP_DMA when the mask isn't all 1s, | ||
133 | * so we can't guarantee allocations that must be | ||
134 | * within a tighter range than GFP_DMA.. | ||
135 | */ | ||
136 | if(mask < 0x00ffffff) | ||
137 | return 0; | ||
138 | |||
139 | /* Work around chipset bugs */ | ||
140 | if (forbid_dac > 0 && mask > 0xffffffffULL) | ||
141 | return 0; | ||
142 | |||
143 | return 1; | ||
144 | } | ||
145 | |||
146 | static inline int | ||
147 | dma_set_mask(struct device *dev, u64 mask) | ||
148 | { | ||
149 | if(!dev->dma_mask || !dma_supported(dev, mask)) | ||
150 | return -EIO; | ||
151 | |||
152 | *dev->dma_mask = mask; | ||
153 | |||
154 | return 0; | ||
155 | } | ||
156 | |||
157 | static inline int | ||
158 | dma_get_cache_alignment(void) | ||
159 | { | ||
160 | /* no easy way to get cache size on all x86, so return the | ||
161 | * maximum possible, to be safe */ | ||
162 | return (1 << INTERNODE_CACHE_SHIFT); | ||
163 | } | ||
164 | |||
165 | #define dma_is_consistent(d, h) (1) | ||
166 | |||
167 | static inline void | ||
168 | dma_cache_sync(struct device *dev, void *vaddr, size_t size, | ||
169 | enum dma_data_direction direction) | ||
170 | { | ||
171 | flush_write_buffers(); | ||
172 | } | ||
173 | |||
174 | #define ARCH_HAS_DMA_DECLARE_COHERENT_MEMORY | ||
175 | extern int | ||
176 | dma_declare_coherent_memory(struct device *dev, dma_addr_t bus_addr, | ||
177 | dma_addr_t device_addr, size_t size, int flags); | ||
178 | |||
179 | extern void | ||
180 | dma_release_declared_memory(struct device *dev); | ||
181 | |||
182 | extern void * | ||
183 | dma_mark_declared_memory_occupied(struct device *dev, | ||
184 | dma_addr_t device_addr, size_t size); | ||
185 | |||
186 | #endif | ||