kernel/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 #include <asm-generic/dma-mapping-common.h>
  15
  16 void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
  17                     enum dma_data_direction dir);
  18
  19 /* arch/sh/mm/consistent.c */
  20 extern void *dma_generic_alloc_coherent(struct device *dev, size_t size,
  21                                         dma_addr_t *dma_addr, gfp_t flag,
  22                                         struct dma_attrs *attrs);
  23 extern void dma_generic_free_coherent(struct device *dev, size_t size,
  24                                       void *vaddr, dma_addr_t dma_handle,
  25                                       struct dma_attrs *attrs);
  26
  27 #endif /* __ASM_SH_DMA_MAPPING_H */