1 #ifndef _ASM_DMA_MAPPING_H
2 #define _ASM_DMA_MAPPING_H
4 #include <asm/scatterlist.h>
7 dma_supported(struct device *dev, u64 mask)
14 dma_set_mask(struct device *dev, u64 dma_mask)
21 dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
29 dma_free_coherent(struct device *dev, size_t size, void *cpu_addr,
30 dma_addr_t dma_handle)
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)
44 dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
45 enum dma_data_direction direction)
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)
60 dma_unmap_page(struct device *dev, dma_addr_t dma_address, size_t size,
61 enum dma_data_direction direction)
67 dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
68 enum dma_data_direction direction)
75 dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries,
76 enum dma_data_direction direction)
82 dma_sync_single(struct device *dev, dma_addr_t dma_handle, size_t size,
83 enum dma_data_direction direction)
89 dma_sync_sg(struct device *dev, struct scatterlist *sg, int nelems,
90 enum dma_data_direction direction)
95 #define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
96 #define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
97 #define dma_is_consistent(d, h) (1)
100 dma_get_cache_alignment(void)
107 dma_sync_single_range(struct device *dev, dma_addr_t dma_handle,
108 unsigned long offset, size_t size,
109 enum dma_data_direction direction)
115 dma_cache_sync(void *vaddr, size_t size,
116 enum dma_data_direction direction)