1 #ifndef _ASM_CRIS_DMA_MAPPING_H
2 #define _ASM_CRIS_DMA_MAPPING_H
4 #include "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 /* Now for the API extensions over the pci_ one */
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)
102 dma_get_cache_alignment(void)
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);
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)
118 dma_cache_sync(void *vaddr, size_t size,
119 enum dma_data_direction direction)