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-rw-r--r--include/asm-m68k/dma-mapping.h90
1 files changed, 85 insertions, 5 deletions
diff --git a/include/asm-m68k/dma-mapping.h b/include/asm-m68k/dma-mapping.h
index dffd59cf1364..cebbb03370ec 100644
--- a/include/asm-m68k/dma-mapping.h
+++ b/include/asm-m68k/dma-mapping.h
@@ -1,11 +1,91 @@
#ifndef _M68K_DMA_MAPPING_H
#define _M68K_DMA_MAPPING_H
+#include <asm/cache.h>
-#ifdef CONFIG_PCI
-#include <asm-generic/dma-mapping.h>
-#else
-#include <asm-generic/dma-mapping-broken.h>
-#endif
+struct scatterlist;
+
+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(dma_addr_t dma_addr)
+{
+ return 0;
+}
+
+extern void *dma_alloc_coherent(struct device *, size_t,
+ dma_addr_t *, int);
+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, int 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(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;
+}
#endif /* _M68K_DMA_MAPPING_H */