Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | #ifndef _M68K_DMA_MAPPING_H |
| 2 | #define _M68K_DMA_MAPPING_H |
| 3 | |
Roman Zippel | b035c96 | 2006-06-25 05:46:56 -0700 | [diff] [blame^] | 4 | struct scatterlist; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5 | |
Roman Zippel | b035c96 | 2006-06-25 05:46:56 -0700 | [diff] [blame^] | 6 | static inline int dma_supported(struct device *dev, u64 mask) |
| 7 | { |
| 8 | return 1; |
| 9 | } |
| 10 | |
| 11 | static inline int dma_set_mask(struct device *dev, u64 mask) |
| 12 | { |
| 13 | return 0; |
| 14 | } |
| 15 | |
| 16 | extern void *dma_alloc_coherent(struct device *, size_t, |
| 17 | dma_addr_t *, int); |
| 18 | extern void dma_free_coherent(struct device *, size_t, |
| 19 | void *, dma_addr_t); |
| 20 | |
| 21 | extern dma_addr_t dma_map_single(struct device *, void *, size_t, |
| 22 | enum dma_data_direction); |
| 23 | static inline void dma_unmap_single(struct device *dev, dma_addr_t addr, |
| 24 | size_t size, enum dma_data_direction dir) |
| 25 | { |
| 26 | } |
| 27 | |
| 28 | extern dma_addr_t dma_map_page(struct device *, struct page *, |
| 29 | unsigned long, size_t size, |
| 30 | enum dma_data_direction); |
| 31 | static inline void dma_unmap_page(struct device *dev, dma_addr_t address, |
| 32 | size_t size, enum dma_data_direction dir) |
| 33 | { |
| 34 | } |
| 35 | |
| 36 | extern int dma_map_sg(struct device *, struct scatterlist *, int, |
| 37 | enum dma_data_direction); |
| 38 | static inline void dma_unmap_sg(struct device *dev, struct scatterlist *sg, |
| 39 | int nhwentries, enum dma_data_direction dir) |
| 40 | { |
| 41 | } |
| 42 | |
| 43 | extern void dma_sync_single_for_device(struct device *, dma_addr_t, size_t, |
| 44 | enum dma_data_direction); |
| 45 | extern void dma_sync_sg_for_device(struct device *, struct scatterlist *, int, |
| 46 | enum dma_data_direction); |
| 47 | |
| 48 | static inline void dma_sync_single_for_cpu(struct device *dev, dma_addr_t handle, |
| 49 | size_t size, enum dma_data_direction dir) |
| 50 | { |
| 51 | } |
| 52 | |
| 53 | static inline void dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, |
| 54 | int nents, enum dma_data_direction dir) |
| 55 | { |
| 56 | } |
| 57 | |
| 58 | static inline int dma_mapping_error(dma_addr_t handle) |
| 59 | { |
| 60 | return 0; |
| 61 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 62 | |
| 63 | #endif /* _M68K_DMA_MAPPING_H */ |