1 #ifndef _ASM_SPARC_DMA_MAPPING_H
2 #define _ASM_SPARC_DMA_MAPPING_H
4 #include <linux/types.h>
10 #define DMA_ERROR_CODE (~(dma_addr_t)0x0)
12 extern int dma_supported(struct device *dev, u64 mask);
13 extern int dma_set_mask(struct device *dev, u64 dma_mask);
14 extern void *dma_alloc_coherent(struct device *dev, size_t size,
15 dma_addr_t *dma_handle, gfp_t flag);
16 extern void dma_free_coherent(struct device *dev, size_t size,
17 void *cpu_addr, dma_addr_t dma_handle);
18 extern dma_addr_t dma_map_single(struct device *dev, void *cpu_addr,
20 enum dma_data_direction direction);
21 extern void dma_unmap_single(struct device *dev, dma_addr_t dma_addr,
23 enum dma_data_direction direction);
24 extern dma_addr_t dma_map_page(struct device *dev, struct page *page,
25 unsigned long offset, size_t size,
26 enum dma_data_direction direction);
27 extern void dma_unmap_page(struct device *dev, dma_addr_t dma_address,
28 size_t size, enum dma_data_direction direction);
29 extern int dma_map_sg(struct device *dev, struct scatterlist *sg,
30 int nents, enum dma_data_direction direction);
31 extern void dma_unmap_sg(struct device *dev, struct scatterlist *sg,
32 int nents, enum dma_data_direction direction);
33 extern void dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle,
35 enum dma_data_direction direction);
36 extern void dma_sync_single_for_device(struct device *dev,
37 dma_addr_t dma_handle,
39 enum dma_data_direction direction);
40 extern void dma_sync_single_range_for_cpu(struct device *dev,
41 dma_addr_t dma_handle,
44 enum dma_data_direction direction);
45 extern void dma_sync_single_range_for_device(struct device *dev,
46 dma_addr_t dma_handle,
47 unsigned long offset, size_t size,
48 enum dma_data_direction direction);
49 extern void dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg,
50 int nelems, enum dma_data_direction direction);
51 extern void dma_sync_sg_for_device(struct device *dev,
52 struct scatterlist *sg, int nelems,
53 enum dma_data_direction direction);
54 extern int dma_mapping_error(struct device *dev, dma_addr_t dma_addr);
55 extern int dma_get_cache_alignment(void);
57 #define dma_alloc_noncoherent dma_alloc_coherent
58 #define dma_free_noncoherent dma_free_coherent
60 #endif /* _ASM_SPARC_DMA_MAPPING_H */