#ifndef _M68K_DMA_MAPPING_H #define _M68K_DMA_MAPPING_H #include <asm/cache.h> struct scatterlist; #ifndef CONFIG_MMU_SUN3 static inline int dma_supported(struct device *dev, u64 mask) { return 1; } static inline int dma_set_mask(struct device *dev, u64 mask) { return 0; } static inline int dma_get_cache_alignment(void) { return 1 << L1_CACHE_SHIFT; } static inline int dma_is_consistent(struct device *dev, dma_addr_t dma_addr) { return 0; } extern void *dma_alloc_coherent(struct device *, size_t, dma_addr_t *, gfp_t); extern void dma_free_coherent(struct device *, size_t, void *, dma_addr_t); static inline void *dma_alloc_noncoherent(struct device *dev, size_t size, dma_addr_t *handle, gfp_t flag) { return dma_alloc_coherent(dev, size, handle, flag); } static inline void dma_free_noncoherent(struct device *dev, size_t size, void *addr, dma_addr_t handle) { dma_free_coherent(dev, size, addr, handle); } static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size, enum dma_data_direction dir) { /* we use coherent allocation, so not much to do here. */ } extern dma_addr_t dma_map_single(struct device *, void *, size_t, enum dma_data_direction); static inline void dma_unmap_single(struct device *dev, dma_addr_t addr, size_t size, enum dma_data_direction dir) { } extern dma_addr_t dma_map_page(struct device *, struct page *, unsigned long, size_t size, enum dma_data_direction); static inline void dma_unmap_page(struct device *dev, dma_addr_t address, size_t size, enum dma_data_direction dir) { } extern int dma_map_sg(struct device *, struct scatterlist *, int, enum dma_data_direction); static inline void dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries, enum dma_data_direction dir) { } extern void dma_sync_single_for_device(struct device *, dma_addr_t, size_t, enum dma_data_direction); extern void dma_sync_sg_for_device(struct device *, struct scatterlist *, int, enum dma_data_direction); static inline void dma_sync_single_for_cpu(struct device *dev, dma_addr_t handle, size_t size, enum dma_data_direction dir) { } static inline void dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nents, enum dma_data_direction dir) { } static inline int dma_mapping_error(dma_addr_t handle) { return 0; } #else #include <asm-generic/dma-mapping-broken.h> #endif #endif /* _M68K_DMA_MAPPING_H */