/arch/alpha/include/asm/dma-mapping.h

 1#ifndef _ALPHA_DMA_MAPPING_H
 2#define _ALPHA_DMA_MAPPING_H
 3
 4#include <linux/dma-attrs.h>
 5
 6extern struct dma_map_ops *dma_ops;
 7
 8static 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
15static 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
21static 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
27static 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
32static inline int dma_supported(struct device *dev, u64 mask)
33{
34	return get_dma_ops(dev)->dma_supported(dev, mask);
35}
36
37static 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 */