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
get_dma_ops(struct device * dev)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
dma_alloc_coherent(struct device * dev,size_t size,dma_addr_t * dma_handle,gfp_t gfp)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
dma_free_coherent(struct device * dev,size_t size,void * vaddr,dma_addr_t dma_handle)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
dma_mapping_error(struct device * dev,dma_addr_t dma_addr)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
dma_supported(struct device * dev,u64 mask)32 static inline int dma_supported(struct device *dev, u64 mask)
33 {
34 return get_dma_ops(dev)->dma_supported(dev, mask);
35 }
36
dma_set_mask(struct device * dev,u64 mask)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
45 #define dma_cache_sync(dev, va, size, dir) ((void)0)
46
47 #endif /* _ALPHA_DMA_MAPPING_H */
48