54 lines
1.4 KiB
C
54 lines
1.4 KiB
C
#ifndef _ALPHA_DMA_MAPPING_H
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#define _ALPHA_DMA_MAPPING_H
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#include <linux/dma-attrs.h>
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extern struct dma_map_ops *dma_ops;
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static inline struct dma_map_ops *get_dma_ops(struct device *dev)
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{
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return dma_ops;
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}
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#include <asm-generic/dma-mapping-common.h>
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#define dma_alloc_coherent(d,s,h,f) dma_alloc_attrs(d,s,h,f,NULL)
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static inline void *dma_alloc_attrs(struct device *dev, size_t size,
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dma_addr_t *dma_handle, gfp_t gfp,
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struct dma_attrs *attrs)
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{
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return get_dma_ops(dev)->alloc(dev, size, dma_handle, gfp, attrs);
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}
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#define dma_free_coherent(d,s,c,h) dma_free_attrs(d,s,c,h,NULL)
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static inline void dma_free_attrs(struct device *dev, size_t size,
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void *vaddr, dma_addr_t dma_handle,
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struct dma_attrs *attrs)
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{
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get_dma_ops(dev)->free(dev, size, vaddr, dma_handle, attrs);
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}
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static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
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{
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return get_dma_ops(dev)->mapping_error(dev, dma_addr);
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}
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static inline int dma_supported(struct device *dev, u64 mask)
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{
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return get_dma_ops(dev)->dma_supported(dev, mask);
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}
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static inline int dma_set_mask(struct device *dev, u64 mask)
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{
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return get_dma_ops(dev)->set_dma_mask(dev, mask);
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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_cache_sync(dev, va, size, dir) ((void)0)
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#endif /* _ALPHA_DMA_MAPPING_H */
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