129 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			129 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| #ifndef _ASM_DMA_MAPPING_H
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| #define _ASM_DMA_MAPPING_H
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| 
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| #include <asm/scatterlist.h>
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| 
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| static inline int
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| dma_supported(struct device *dev, u64 mask)
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| {
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| 	BUG();
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| 	return(0);
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| }
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| 
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| static inline int
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| dma_set_mask(struct device *dev, u64 dma_mask)
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| {
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| 	BUG();
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| 	return(0);
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| }
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| 
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| static inline void *
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| dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
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| 		   gfp_t flag)
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| {
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| 	BUG();
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| 	return((void *) 0);
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| }
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| 
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| static inline void
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| dma_free_coherent(struct device *dev, size_t size, void *cpu_addr,
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| 		  dma_addr_t dma_handle)
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| {
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| 	BUG();
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| }
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| 
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| static inline dma_addr_t
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| dma_map_single(struct device *dev, void *cpu_addr, size_t size,
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| 	       enum dma_data_direction direction)
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| {
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| 	BUG();
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| 	return(0);
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| }
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| 
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| static inline void
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| dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
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| 		 enum dma_data_direction direction)
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| {
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| 	BUG();
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| }
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| 
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| static inline dma_addr_t
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| dma_map_page(struct device *dev, struct page *page,
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| 	     unsigned long offset, size_t size,
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| 	     enum dma_data_direction direction)
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| {
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| 	BUG();
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| 	return(0);
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| }
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| 
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| static inline void
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| dma_unmap_page(struct device *dev, dma_addr_t dma_address, size_t size,
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| 	       enum dma_data_direction direction)
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| {
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| 	BUG();
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| }
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| 
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| static inline int
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| dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
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| 	   enum dma_data_direction direction)
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| {
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| 	BUG();
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| 	return(0);
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| }
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| 
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| static inline void
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| dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries,
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| 	     enum dma_data_direction direction)
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| {
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| 	BUG();
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| }
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| 
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| static inline void
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| dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle, size_t size,
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| 		enum dma_data_direction direction)
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| {
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| 	BUG();
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| }
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| 
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| static inline void
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| dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nelems,
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| 	    enum dma_data_direction direction)
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| {
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| 	BUG();
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| }
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| 
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| #define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
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| #define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
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| #define dma_is_consistent(d, h) (1)
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| 
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| static inline int
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| dma_get_cache_alignment(void)
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| {
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| 	BUG();
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| 	return(0);
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| }
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| 
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| static inline void
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| dma_sync_single_range(struct device *dev, dma_addr_t dma_handle,
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| 		      unsigned long offset, size_t size,
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| 		      enum dma_data_direction direction)
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| {
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| 	BUG();
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| }
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| 
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| static inline void
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| dma_cache_sync(struct device *dev, void *vaddr, size_t size,
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| 	       enum dma_data_direction direction)
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| {
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| 	BUG();
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| }
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| 
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| static inline int
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| dma_mapping_error(struct device *dev, dma_addr_t dma_handle)
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| {
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| 	BUG();
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| 	return 0;
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| }
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| 
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| #endif
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