1 #ifndef _ALPHA_DMA_MAPPING_H 2 #define _ALPHA_DMA_MAPPING_H 3 4 #include <linux/dma-attrs.h> 5 6 extern struct dma_map_ops *dma_ops; 7 8 static inline struct dma_map_ops *get_dma_ops(struct device *dev) 9 { 10 return dma_ops; 11 } 12 13 #include <asm-generic/dma-mapping-common.h> 14 15 static inline void *dma_alloc_coherent(struct device *dev, size_t size, 16 dma_addr_t *dma_handle, gfp_t gfp) 17 { 18 return get_dma_ops(dev)->alloc_coherent(dev, size, dma_handle, gfp); 19 } 20 21 static inline void dma_free_coherent(struct device *dev, size_t size, 22 void *vaddr, dma_addr_t dma_handle) 23 { 24 get_dma_ops(dev)->free_coherent(dev, size, vaddr, dma_handle); 25 } 26 27 static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr) 28 { 29 return get_dma_ops(dev)->mapping_error(dev, dma_addr); 30 } 31 32 static inline int dma_supported(struct device *dev, u64 mask) 33 { 34 return get_dma_ops(dev)->dma_supported(dev, mask); 35 } 36 37 static inline int dma_set_mask(struct device *dev, u64 mask) 38 { 39 return get_dma_ops(dev)->set_dma_mask(dev, mask); 40 } 41 42 #define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f) 43 #define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h) 44 #define dma_is_consistent(d, h) (1) 45 46 #define dma_cache_sync(dev, va, size, dir) ((void)0) 47 #define dma_get_cache_alignment() L1_CACHE_BYTES 48 49 #endif /* _ALPHA_DMA_MAPPING_H */ 50