1 #ifndef _M68K_DMA_MAPPING_H
2 #define _M68K_DMA_MAPPING_H
8 #ifndef CONFIG_MMU_SUN3
9 static inline int dma_supported(struct device *dev, u64 mask)
14 static inline int dma_set_mask(struct device *dev, u64 mask)
19 static inline int dma_is_consistent(struct device *dev, dma_addr_t dma_addr)
24 extern void *dma_alloc_coherent(struct device *, size_t,
26 extern void dma_free_coherent(struct device *, size_t,
29 static inline void *dma_alloc_noncoherent(struct device *dev, size_t size,
30 dma_addr_t *handle, gfp_t flag)
32 return dma_alloc_coherent(dev, size, handle, flag);
34 static inline void dma_free_noncoherent(struct device *dev, size_t size,
35 void *addr, dma_addr_t handle)
37 dma_free_coherent(dev, size, addr, handle);
39 static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
40 enum dma_data_direction dir)
42 /* we use coherent allocation, so not much to do here. */
45 extern dma_addr_t dma_map_single(struct device *, void *, size_t,
46 enum dma_data_direction);
47 static inline void dma_unmap_single(struct device *dev, dma_addr_t addr,
48 size_t size, enum dma_data_direction dir)
52 extern dma_addr_t dma_map_page(struct device *, struct page *,
53 unsigned long, size_t size,
54 enum dma_data_direction);
55 static inline void dma_unmap_page(struct device *dev, dma_addr_t address,
56 size_t size, enum dma_data_direction dir)
60 extern int dma_map_sg(struct device *, struct scatterlist *, int,
61 enum dma_data_direction);
62 static inline void dma_unmap_sg(struct device *dev, struct scatterlist *sg,
63 int nhwentries, enum dma_data_direction dir)
67 extern void dma_sync_single_for_device(struct device *, dma_addr_t, size_t,
68 enum dma_data_direction);
69 extern void dma_sync_sg_for_device(struct device *, struct scatterlist *, int,
70 enum dma_data_direction);
72 static inline void dma_sync_single_range_for_device(struct device *dev,
73 dma_addr_t dma_handle, unsigned long offset, size_t size,
74 enum dma_data_direction direction)
76 /* just sync everything for now */
77 dma_sync_single_for_device(dev, dma_handle, offset + size, direction);
80 static inline void dma_sync_single_for_cpu(struct device *dev, dma_addr_t handle,
81 size_t size, enum dma_data_direction dir)
85 static inline void dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg,
86 int nents, enum dma_data_direction dir)
90 static inline void dma_sync_single_range_for_cpu(struct device *dev,
91 dma_addr_t dma_handle, unsigned long offset, size_t size,
92 enum dma_data_direction direction)
94 /* just sync everything for now */
95 dma_sync_single_for_cpu(dev, dma_handle, offset + size, direction);
98 static inline int dma_mapping_error(struct device *dev, dma_addr_t handle)
104 #include <asm-generic/dma-mapping-broken.h>
107 #endif /* _M68K_DMA_MAPPING_H */