1#ifndef DMA_H
2#define DMA_H
3
4#include <asm/glue-cache.h>
5
6#ifndef MULTI_CACHE
7#define dmac_map_area			__glue(_CACHE,_dma_map_area)
8#define dmac_unmap_area 		__glue(_CACHE,_dma_unmap_area)
9
10/*
11 * These are private to the dma-mapping API.  Do not use directly.
12 * Their sole purpose is to ensure that data held in the cache
13 * is visible to DMA, or data written by DMA to system memory is
14 * visible to the CPU.
15 */
16extern void dmac_map_area(const void *, size_t, int);
17extern void dmac_unmap_area(const void *, size_t, int);
18
19#else
20
21/*
22 * These are private to the dma-mapping API.  Do not use directly.
23 * Their sole purpose is to ensure that data held in the cache
24 * is visible to DMA, or data written by DMA to system memory is
25 * visible to the CPU.
26 */
27#define dmac_map_area			cpu_cache.dma_map_area
28#define dmac_unmap_area 		cpu_cache.dma_unmap_area
29
30#endif
31
32#endif
33