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

   1 #ifndef __ASM_SH_DMA_MAPPING_H
   2 #define __ASM_SH_DMA_MAPPING_H
   3
   4 extern struct dma_map_ops *dma_ops;
   5 extern void no_iommu_init(void);
   6
   7 static 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
  14 void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
  15                     enum dma_data_direction dir);
  16
  17 /* arch/sh/mm/consistent.c */
  18 extern void *dma_generic_alloc_coherent(struct device *dev, size_t size,
  19                                         dma_addr_t *dma_addr, gfp_t flag,
  20                                         unsigned long attrs);
  21 extern 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 */