projects / GitHub / mt8127 / android_kernel_alcatel_ttab.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | #ifndef _ASM_GENERIC_DMA_MAPPING_H |
| 2 | #define _ASM_GENERIC_DMA_MAPPING_H | |
| 3 | ||
| 1b0fac45 DW |
4 | /* define the dma api to allow compilation but not linking of |
| 5 | * dma dependent code. Code that depends on the dma-mapping | |
| 6 | * API needs to set 'depends on HAS_DMA' in its Kconfig | |
| 7 | */ | |
| 1da177e4 | 8 | |
| 1b0fac45 DW |
9 | struct scatterlist; |
| 10 | ||
| 11 | extern void * | |
| 1da177e4 | 12 | dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle, |
| 1b0fac45 | 13 | gfp_t flag); |
| 1da177e4 | 14 | |
| 1b0fac45 | 15 | extern void |
| 1da177e4 | 16 | dma_free_coherent(struct device *dev, size_t size, void *cpu_addr, |
| 1b0fac45 | 17 | dma_addr_t dma_handle); |
| 1da177e4 | 18 | |
| 509cb37e HC |
19 | #define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f) |
| 20 | #define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h) | |
| 21 | ||
| 1b0fac45 DW |
22 | extern dma_addr_t |
| 23 | dma_map_single(struct device *dev, void *ptr, size_t size, | |
| 24 | enum dma_data_direction direction); | |
| 25 | ||
| 26 | extern void | |
| 27 | dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size, | |
| 28 | enum dma_data_direction direction); | |
| 29 | ||
| 30 | extern int | |
| 31 | dma_map_sg(struct device *dev, struct scatterlist *sg, int nents, | |
| 32 | enum dma_data_direction direction); | |
| 33 | ||
| 34 | extern void | |
| 35 | dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries, | |
| 36 | enum dma_data_direction direction); | |
| 37 | ||
| 38 | extern dma_addr_t | |
| 39 | dma_map_page(struct device *dev, struct page *page, unsigned long offset, | |
| 40 | size_t size, enum dma_data_direction direction); | |
| 41 | ||
| 42 | extern void | |
| 43 | dma_unmap_page(struct device *dev, dma_addr_t dma_address, size_t size, | |
| 44 | enum dma_data_direction direction); | |
| 45 | ||
| 46 | extern void | |
| 47 | dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle, size_t size, | |
| 48 | enum dma_data_direction direction); | |
| 49 | ||
| 50 | extern void | |
| 51 | dma_sync_single_range_for_cpu(struct device *dev, dma_addr_t dma_handle, | |
| 52 | unsigned long offset, size_t size, | |
| 53 | enum dma_data_direction direction); | |
| 54 | ||
| 55 | extern void | |
| 56 | dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nelems, | |
| 57 | enum dma_data_direction direction); | |
| 58 | ||
| 59 | #define dma_sync_single_for_device dma_sync_single_for_cpu | |
| 60 | #define dma_sync_single_range_for_device dma_sync_single_range_for_cpu | |
| 61 | #define dma_sync_sg_for_device dma_sync_sg_for_cpu | |
| 62 | ||
| 63 | extern int | |
| 8d8bb39b | 64 | dma_mapping_error(struct device *dev, dma_addr_t dma_addr); |
| 1b0fac45 DW |
65 | |
| 66 | extern int | |
| 67 | dma_supported(struct device *dev, u64 mask); | |
| 68 | ||
| 69 | extern int | |
| 70 | dma_set_mask(struct device *dev, u64 mask); | |
| 71 | ||
| 72 | extern int | |
| 73 | dma_get_cache_alignment(void); | |
| 74 | ||
| 75 | extern int | |
| 76 | dma_is_consistent(struct device *dev, dma_addr_t dma_handle); | |
| 77 | ||
| 78 | extern void | |
| 79 | dma_cache_sync(struct device *dev, void *vaddr, size_t size, | |
| 80 | enum dma_data_direction direction); | |
| 81 | ||
| 1da177e4 | 82 | #endif /* _ASM_GENERIC_DMA_MAPPING_H */ |