1 #ifndef __ASM_SH_DMA_MAPPING_H
2 #define __ASM_SH_DMA_MAPPING_H
4 extern struct dma_map_ops *dma_ops;
5 extern void no_iommu_init(void);
7 static inline struct dma_map_ops *get_dma_ops(struct device *dev)
12 #define DMA_ERROR_CODE 0
14 #include <asm-generic/dma-mapping-common.h>
16 static inline int dma_set_mask(struct device *dev, u64 mask)
18 struct dma_map_ops *ops = get_dma_ops(dev);
20 if (!dev->dma_mask || !dma_supported(dev, mask))
22 if (ops->set_dma_mask)
23 return ops->set_dma_mask(dev, mask);
25 *dev->dma_mask = mask;
30 void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
31 enum dma_data_direction dir);
33 /* arch/sh/mm/consistent.c */
34 extern void *dma_generic_alloc_coherent(struct device *dev, size_t size,
35 dma_addr_t *dma_addr, gfp_t flag,
36 struct dma_attrs *attrs);
37 extern void dma_generic_free_coherent(struct device *dev, size_t size,
38 void *vaddr, dma_addr_t dma_handle,
39 struct dma_attrs *attrs);
41 #endif /* __ASM_SH_DMA_MAPPING_H */