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

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __ASM_SH_DMA_MAPPING_H
   3 #define __ASM_SH_DMA_MAPPING_H
   4
   5 extern const struct dma_map_ops *dma_ops;
   6 extern void no_iommu_init(void);
   7
   8 static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
   9 {
  10         return dma_ops;
  11 }
  12
  13 extern void *dma_generic_alloc_coherent(struct device *dev, size_t size,
  14                                         dma_addr_t *dma_addr, gfp_t flag,
  15                                         unsigned long attrs);
  16 extern void dma_generic_free_coherent(struct device *dev, size_t size,
  17                                       void *vaddr, dma_addr_t dma_handle,
  18                                       unsigned long attrs);
  19
  20 void sh_sync_dma_for_device(void *vaddr, size_t size,
  21             enum dma_data_direction dir);
  22
  23 #endif /* __ASM_SH_DMA_MAPPING_H */