| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame^] | 1 | #ifndef _ASM_CRIS_DMA_MAPPING_H |
| 2 | #define _ASM_CRIS_DMA_MAPPING_H |
| 3 | |
| 4 | #include "scatterlist.h" |
| 5 | |
| 6 | static inline int |
| 7 | dma_supported(struct device *dev, u64 mask) |
| 8 | { |
| 9 | BUG(); |
| 10 | return 0; |
| 11 | } |
| 12 | |
| 13 | static inline int |
| 14 | dma_set_mask(struct device *dev, u64 dma_mask) |
| 15 | { |
| 16 | BUG(); |
| 17 | return 1; |
| 18 | } |
| 19 | |
| 20 | static inline void * |
| 21 | dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle, |
| 22 | int flag) |
| 23 | { |
| 24 | BUG(); |
| 25 | return NULL; |
| 26 | } |
| 27 | |
| 28 | static inline void |
| 29 | dma_free_coherent(struct device *dev, size_t size, void *cpu_addr, |
| 30 | dma_addr_t dma_handle) |
| 31 | { |
| 32 | BUG(); |
| 33 | } |
| 34 | |
| 35 | static inline dma_addr_t |
| 36 | dma_map_single(struct device *dev, void *cpu_addr, size_t size, |
| 37 | enum dma_data_direction direction) |
| 38 | { |
| 39 | BUG(); |
| 40 | return 0; |
| 41 | } |
| 42 | |
| 43 | static inline void |
| 44 | dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size, |
| 45 | enum dma_data_direction direction) |
| 46 | { |
| 47 | BUG(); |
| 48 | } |
| 49 | |
| 50 | static inline dma_addr_t |
| 51 | dma_map_page(struct device *dev, struct page *page, |
| 52 | unsigned long offset, size_t size, |
| 53 | enum dma_data_direction direction) |
| 54 | { |
| 55 | BUG(); |
| 56 | return 0; |
| 57 | } |
| 58 | |
| 59 | static inline void |
| 60 | dma_unmap_page(struct device *dev, dma_addr_t dma_address, size_t size, |
| 61 | enum dma_data_direction direction) |
| 62 | { |
| 63 | BUG(); |
| 64 | } |
| 65 | |
| 66 | static inline int |
| 67 | dma_map_sg(struct device *dev, struct scatterlist *sg, int nents, |
| 68 | enum dma_data_direction direction) |
| 69 | { |
| 70 | BUG(); |
| 71 | return 1; |
| 72 | } |
| 73 | |
| 74 | static inline void |
| 75 | dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries, |
| 76 | enum dma_data_direction direction) |
| 77 | { |
| 78 | BUG(); |
| 79 | } |
| 80 | |
| 81 | static inline void |
| 82 | dma_sync_single(struct device *dev, dma_addr_t dma_handle, size_t size, |
| 83 | enum dma_data_direction direction) |
| 84 | { |
| 85 | BUG(); |
| 86 | } |
| 87 | |
| 88 | static inline void |
| 89 | dma_sync_sg(struct device *dev, struct scatterlist *sg, int nelems, |
| 90 | enum dma_data_direction direction) |
| 91 | { |
| 92 | BUG(); |
| 93 | } |
| 94 | |
| 95 | /* Now for the API extensions over the pci_ one */ |
| 96 | |
| 97 | #define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f) |
| 98 | #define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h) |
| 99 | #define dma_is_consistent(d) (1) |
| 100 | |
| 101 | static inline int |
| 102 | dma_get_cache_alignment(void) |
| 103 | { |
| 104 | /* no easy way to get cache size on all processors, so return |
| 105 | * the maximum possible, to be safe */ |
| 106 | return (1 << L1_CACHE_SHIFT_MAX); |
| 107 | } |
| 108 | |
| 109 | static inline void |
| 110 | dma_sync_single_range(struct device *dev, dma_addr_t dma_handle, |
| 111 | unsigned long offset, size_t size, |
| 112 | enum dma_data_direction direction) |
| 113 | { |
| 114 | BUG(); |
| 115 | } |
| 116 | |
| 117 | static inline void |
| 118 | dma_cache_sync(void *vaddr, size_t size, |
| 119 | enum dma_data_direction direction) |
| 120 | { |
| 121 | BUG(); |
| 122 | } |
| 123 | |
| 124 | #endif |
| 125 | |