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@@ -1,6 +1,8 @@
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#ifndef _M68K_DMA_MAPPING_H
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#define _M68K_DMA_MAPPING_H
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+#include <asm/cache.h>
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+
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struct scatterlist;
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static inline int dma_supported(struct device *dev, u64 mask)
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@@ -13,11 +15,37 @@ static inline int dma_set_mask(struct device *dev, u64 mask)
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return 0;
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}
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+static inline int dma_get_cache_alignment(void)
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+{
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+ return 1 << L1_CACHE_SHIFT;
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+}
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+
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+static inline int dma_is_consistent(dma_addr_t dma_addr)
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+{
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+ return 0;
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+}
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+
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extern void *dma_alloc_coherent(struct device *, size_t,
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dma_addr_t *, int);
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extern void dma_free_coherent(struct device *, size_t,
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void *, dma_addr_t);
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+static inline void *dma_alloc_noncoherent(struct device *dev, size_t size,
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+ dma_addr_t *handle, int flag)
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+{
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+ return dma_alloc_coherent(dev, size, handle, flag);
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+}
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+static inline void dma_free_noncoherent(struct device *dev, size_t size,
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+ void *addr, dma_addr_t handle)
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+{
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+ dma_free_coherent(dev, size, addr, handle);
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+}
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+static inline void dma_cache_sync(void *vaddr, size_t size,
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+ enum dma_data_direction dir)
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+{
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+ /* we use coherent allocation, so not much to do here. */
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+}
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+
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extern dma_addr_t dma_map_single(struct device *, void *, size_t,
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enum dma_data_direction);
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static inline void dma_unmap_single(struct device *dev, dma_addr_t addr,
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