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