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 #define dma_alloc_coherent(d,s,h,f) dma_alloc_attrs(d,s,h,f,NULL) 16 17 static inline void *dma_alloc_attrs(struct device *dev, size_t size, 18 dma_addr_t *dma_handle, gfp_t gfp, 19 struct dma_attrs *attrs) 20 { 21 return get_dma_ops(dev)->alloc(dev, size, dma_handle, gfp, attrs); 22 } 23 24 #define dma_free_coherent(d,s,c,h) dma_free_attrs(d,s,c,h,NULL) 25 26 static inline void dma_free_attrs(struct device *dev, size_t size, 27 void *vaddr, dma_addr_t dma_handle, 28 struct dma_attrs *attrs) 29 { 30 get_dma_ops(dev)->free(dev, size, vaddr, dma_handle, attrs); 31 } 32 33 static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr) 34 { 35 return get_dma_ops(dev)->mapping_error(dev, dma_addr); 36 } 37 38 static inline int dma_supported(struct device *dev, u64 mask) 39 { 40 return get_dma_ops(dev)->dma_supported(dev, mask); 41 } 42 43 static inline int dma_set_mask(struct device *dev, u64 mask) 44 { 45 return get_dma_ops(dev)->set_dma_mask(dev, mask); 46 } 47 48 #define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f) 49 #define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h) 50 51 #define dma_cache_sync(dev, va, size, dir) ((void)0) 52 53 #endif /* _ALPHA_DMA_MAPPING_H */ 54