58 lines
1.3 KiB
C
58 lines
1.3 KiB
C
#ifndef _H8300_DMA_MAPPING_H
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#define _H8300_DMA_MAPPING_H
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#include <asm-generic/dma-coherent.h>
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extern struct dma_map_ops h8300_dma_map_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 &h8300_dma_map_ops;
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}
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#include <asm-generic/dma-mapping-common.h>
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static inline int dma_supported(struct device *dev, u64 mask)
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{
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return 0;
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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 0;
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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_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 flag,
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struct dma_attrs *attrs)
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{
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struct dma_map_ops *ops = get_dma_ops(dev);
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void *memory;
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memory = ops->alloc(dev, size, dma_handle, flag, attrs);
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return memory;
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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 *cpu_addr, dma_addr_t dma_handle,
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struct dma_attrs *attrs)
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{
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struct dma_map_ops *ops = get_dma_ops(dev);
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ops->free(dev, size, cpu_addr, 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 0;
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}
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#endif
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