LXR linux/arch/sh/include/asm/dma-mapping.h

   1#ifndef __ASM_SH_DMA_MAPPING_H
   2#define __ASM_SH_DMA_MAPPING_H
   3
   4extern struct dma_map_ops *dma_ops;
   5extern void no_iommu_init(void);
   6
   7static inline struct dma_map_ops *get_dma_ops(struct device *dev)
   8{
   9        return dma_ops;
  10}
  11
  12#define DMA_ERROR_CODE 0
  13
  14void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
  15                    enum dma_data_direction dir);
  16
  17/* arch/sh/mm/consistent.c */
  18extern void *dma_generic_alloc_coherent(struct device *dev, size_t size,
  19                                        dma_addr_t *dma_addr, gfp_t flag,
  20                                        unsigned long attrs);
  21extern void dma_generic_free_coherent(struct device *dev, size_t size,
  22                                      void *vaddr, dma_addr_t dma_handle,
  23                                      unsigned long attrs);
  24
  25#endif /* __ASM_SH_DMA_MAPPING_H */
  26