1 #ifndef _ALPHA_DMA_MAPPING_H
2 #define _ALPHA_DMA_MAPPING_H
4 #include <linux/dma-attrs.h>
6 extern struct dma_map_ops
*dma_ops
;
8 static inline struct dma_map_ops
*get_dma_ops(struct device
*dev
)
13 #include <asm-generic/dma-mapping-common.h>
15 #define dma_alloc_coherent(d,s,h,f) dma_alloc_attrs(d,s,h,f,NULL)
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
)
21 return get_dma_ops(dev
)->alloc(dev
, size
, dma_handle
, gfp
, attrs
);
24 #define dma_free_coherent(d,s,c,h) dma_free_attrs(d,s,c,h,NULL)
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
)
30 get_dma_ops(dev
)->free(dev
, size
, vaddr
, dma_handle
, attrs
);
33 static inline int dma_mapping_error(struct device
*dev
, dma_addr_t dma_addr
)
35 return get_dma_ops(dev
)->mapping_error(dev
, dma_addr
);
38 static inline int dma_supported(struct device
*dev
, u64 mask
)
40 return get_dma_ops(dev
)->dma_supported(dev
, mask
);
43 static inline int dma_set_mask(struct device
*dev
, u64 mask
)
45 return get_dma_ops(dev
)->set_dma_mask(dev
, mask
);
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)
51 #define dma_cache_sync(dev, va, size, dir) ((void)0)
53 #endif /* _ALPHA_DMA_MAPPING_H */