arch/sparc/include/asm/dma-mapping_32.h

   1 #ifndef _ASM_SPARC_DMA_MAPPING_H
   2 #define _ASM_SPARC_DMA_MAPPING_H
   3
   4 #include <linux/types.h>
   5
   6 struct device;
   7 struct scatterlist;
   8 struct page;
   9
  10 extern void *dma_alloc_coherent(struct device *dev, size_t size,
  11                                 dma_addr_t *dma_handle, gfp_t flag);
  12 extern void dma_free_coherent(struct device *dev, size_t size,
  13                               void *cpu_addr, dma_addr_t dma_handle);
  14 extern dma_addr_t dma_map_single(struct device *dev, void *cpu_addr,
  15                                  size_t size,
  16                                  enum dma_data_direction direction);
  17 extern void dma_unmap_single(struct device *dev, dma_addr_t dma_addr,
  18                              size_t size,
  19                              enum dma_data_direction direction);
  20 extern dma_addr_t dma_map_page(struct device *dev, struct page *page,
  21                                unsigned long offset, size_t size,
  22                                enum dma_data_direction direction);
  23 extern void dma_unmap_page(struct device *dev, dma_addr_t dma_address,
  24                            size_t size, enum dma_data_direction direction);
  25 extern int dma_map_sg(struct device *dev, struct scatterlist *sg,
  26                       int nents, enum dma_data_direction direction);
  27 extern void dma_unmap_sg(struct device *dev, struct scatterlist *sg,
  28                          int nents, enum dma_data_direction direction);
  29 extern void dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle,
  30                                     size_t size,
  31                                     enum dma_data_direction direction);
  32 extern void dma_sync_single_for_device(struct device *dev,
  33                                        dma_addr_t dma_handle,
  34                                        size_t size,
  35                                        enum dma_data_direction direction);
  36 extern void dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg,
  37                                 int nelems, enum dma_data_direction direction);
  38 extern void dma_sync_sg_for_device(struct device *dev,
  39                                    struct scatterlist *sg, int nelems,
  40                                    enum dma_data_direction direction);
  41
  42 #endif /* _ASM_SPARC_DMA_MAPPING_H */