| #ifndef __ASM_SH_DMA_MAPPING_H |
| #define __ASM_SH_DMA_MAPPING_H |
| |
| extern struct dma_map_ops *dma_ops; |
| extern void no_iommu_init(void); |
| |
| static inline struct dma_map_ops *get_dma_ops(struct device *dev) |
| { |
| return dma_ops; |
| } |
| |
| #define DMA_ERROR_CODE 0 |
| |
| #include <asm-generic/dma-mapping-common.h> |
| |
| static inline int dma_supported(struct device *dev, u64 mask) |
| { |
| struct dma_map_ops *ops = get_dma_ops(dev); |
| |
| if (ops->dma_supported) |
| return ops->dma_supported(dev, mask); |
| |
| return 1; |
| } |
| |
| static inline int dma_set_mask(struct device *dev, u64 mask) |
| { |
| struct dma_map_ops *ops = get_dma_ops(dev); |
| |
| if (!dev->dma_mask || !dma_supported(dev, mask)) |
| return -EIO; |
| if (ops->set_dma_mask) |
| return ops->set_dma_mask(dev, mask); |
| |
| *dev->dma_mask = mask; |
| |
| return 0; |
| } |
| |
| void dma_cache_sync(struct device *dev, void *vaddr, size_t size, |
| enum dma_data_direction dir); |
| |
| /* arch/sh/mm/consistent.c */ |
| extern void *dma_generic_alloc_coherent(struct device *dev, size_t size, |
| dma_addr_t *dma_addr, gfp_t flag, |
| struct dma_attrs *attrs); |
| extern void dma_generic_free_coherent(struct device *dev, size_t size, |
| void *vaddr, dma_addr_t dma_handle, |
| struct dma_attrs *attrs); |
| |
| #endif /* __ASM_SH_DMA_MAPPING_H */ |