2 * Copyright 2004-2009 Analog Devices Inc.
4 * Licensed under the GPL-2 or later.
7 #ifndef _BLACKFIN_DMA_MAPPING_H
8 #define _BLACKFIN_DMA_MAPPING_H
10 #include <asm/cacheflush.h>
13 __dma_sync(dma_addr_t addr, size_t size, enum dma_data_direction dir);
15 __dma_sync_inline(dma_addr_t addr, size_t size, enum dma_data_direction dir)
20 case DMA_TO_DEVICE: /* writeback only */
21 flush_dcache_range(addr, addr + size);
23 case DMA_FROM_DEVICE: /* invalidate only */
24 case DMA_BIDIRECTIONAL: /* flush and invalidate */
25 /* Blackfin has no dedicated invalidate (it includes a flush) */
26 invalidate_dcache_range(addr, addr + size);
31 _dma_sync(dma_addr_t addr, size_t size, enum dma_data_direction dir)
33 if (__builtin_constant_p(dir))
34 __dma_sync_inline(addr, size, dir);
36 __dma_sync(addr, size, dir);
39 extern struct dma_map_ops bfin_dma_ops;
41 static inline struct dma_map_ops *get_dma_ops(struct device *dev)
46 #endif /* _BLACKFIN_DMA_MAPPING_H */