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
get_arch_dma_ops(struct bus_type * bus)8 static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
9 {
10 return dma_ops;
11 }
12
13 void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
14 enum dma_data_direction dir);
15
16 /* arch/sh/mm/consistent.c */
17 extern void *dma_generic_alloc_coherent(struct device *dev, size_t size,
18 dma_addr_t *dma_addr, gfp_t flag,
19 unsigned long attrs);
20 extern void dma_generic_free_coherent(struct device *dev, size_t size,
21 void *vaddr, dma_addr_t dma_handle,
22 unsigned long attrs);
23
24 #endif /* __ASM_SH_DMA_MAPPING_H */
25