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
48
49
50
51
52
53
54
55
56
57
58
59
60
|
#ifndef _ASM_SPARC_DMA_MAPPING_H
#define _ASM_SPARC_DMA_MAPPING_H
#include <linux/types.h>
struct device;
struct scatterlist;
struct page;
#define DMA_ERROR_CODE (~(dma_addr_t)0x0)
extern int dma_supported(struct device *dev, u64 mask);
extern int dma_set_mask(struct device *dev, u64 dma_mask);
extern void *dma_alloc_coherent(struct device *dev, size_t size,
dma_addr_t *dma_handle, gfp_t flag);
extern void dma_free_coherent(struct device *dev, size_t size,
void *cpu_addr, dma_addr_t dma_handle);
extern dma_addr_t dma_map_single(struct device *dev, void *cpu_addr,
size_t size,
enum dma_data_direction direction);
extern void dma_unmap_single(struct device *dev, dma_addr_t dma_addr,
size_t size,
enum dma_data_direction direction);
extern dma_addr_t dma_map_page(struct device *dev, struct page *page,
unsigned long offset, size_t size,
enum dma_data_direction direction);
extern void dma_unmap_page(struct device *dev, dma_addr_t dma_address,
size_t size, enum dma_data_direction direction);
extern int dma_map_sg(struct device *dev, struct scatterlist *sg,
int nents, enum dma_data_direction direction);
extern void dma_unmap_sg(struct device *dev, struct scatterlist *sg,
int nents, enum dma_data_direction direction);
extern void dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle,
size_t size,
enum dma_data_direction direction);
extern void dma_sync_single_for_device(struct device *dev,
dma_addr_t dma_handle,
size_t size,
enum dma_data_direction direction);
extern void dma_sync_single_range_for_cpu(struct device *dev,
dma_addr_t dma_handle,
unsigned long offset,
size_t size,
enum dma_data_direction direction);
extern void dma_sync_single_range_for_device(struct device *dev,
dma_addr_t dma_handle,
unsigned long offset, size_t size,
enum dma_data_direction direction);
extern void dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg,
int nelems, enum dma_data_direction direction);
extern void dma_sync_sg_for_device(struct device *dev,
struct scatterlist *sg, int nelems,
enum dma_data_direction direction);
extern int dma_mapping_error(struct device *dev, dma_addr_t dma_addr);
extern int dma_get_cache_alignment(void);
#define dma_alloc_noncoherent dma_alloc_coherent
#define dma_free_noncoherent dma_free_coherent
#endif /* _ASM_SPARC_DMA_MAPPING_H */
|
