1 files changed, 58 insertions, 38 deletions

diff --git a/arch/mips/include/asm/dma-mapping.h b/arch/mips/include/asm/dma-mapping.h
index 18fbf7af8e93..655f849bd08d 100644
--- a/arch/mips/include/asm/dma-mapping.h
+++ b/arch/mips/include/asm/dma-mapping.h
@@ -5,51 +5,41 @@
 #include <asm/cache.h>
 #include <asm-generic/dma-coherent.h>
 
-void *dma_alloc_noncoherent(struct device *dev, size_t size,
-                           dma_addr_t *dma_handle, gfp_t flag);
+#include <dma-coherence.h>
 
-void dma_free_noncoherent(struct device *dev, size_t size,
-                         void *vaddr, dma_addr_t dma_handle);
+extern struct dma_map_ops *mips_dma_map_ops;
 
-void *dma_alloc_coherent(struct device *dev, size_t size,
-                           dma_addr_t *dma_handle, gfp_t flag);
+static inline struct dma_map_ops *get_dma_ops(struct device *dev)
+{
+        if (dev && dev->archdata.dma_ops)
+                return dev->archdata.dma_ops;
+        else
+                return mips_dma_map_ops;
+}
 
-void dma_free_coherent(struct device *dev, size_t size,
-                         void *vaddr, dma_addr_t dma_handle);
+static inline bool dma_capable(struct device *dev, dma_addr_t addr, size_t size)
+{
+        if (!dev->dma_mask)
+                return 0;
 
-extern dma_addr_t dma_map_single(struct device *dev, void *ptr, size_t size,
-        enum dma_data_direction direction);
-extern void dma_unmap_single(struct device *dev, dma_addr_t dma_addr,
-        size_t size, enum dma_data_direction direction);
-extern int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
-        enum dma_data_direction direction);
-extern dma_addr_t dma_map_page(struct device *dev, struct page *page,
-        unsigned long offset, size_t size, enum dma_data_direction direction);
-
-static inline void dma_unmap_page(struct device *dev, dma_addr_t dma_address,
-        size_t size, enum dma_data_direction direction)
+        return addr + size <= *dev->dma_mask;
+}
+
+static inline void dma_mark_clean(void *addr, size_t size) {}
+
+#include <asm-generic/dma-mapping-common.h>
+
+static inline int dma_supported(struct device *dev, u64 mask)
 {
-        dma_unmap_single(dev, dma_address, size, direction);
+        struct dma_map_ops *ops = get_dma_ops(dev);
+        return ops->dma_supported(dev, mask);
 }
 
-extern void dma_unmap_sg(struct device *dev, struct scatterlist *sg,
-        int nhwentries, enum dma_data_direction direction);
-extern void dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle,
-        size_t size, enum dma_data_direction direction);
-extern void dma_sync_single_for_device(struct device *dev,
-        dma_addr_t dma_handle, size_t size, enum dma_data_direction direction);
-extern void dma_sync_single_range_for_cpu(struct device *dev,
-        dma_addr_t dma_handle, unsigned long offset, size_t size,
-        enum dma_data_direction direction);
-extern void dma_sync_single_range_for_device(struct device *dev,
-        dma_addr_t dma_handle, unsigned long offset, size_t size,
-        enum dma_data_direction direction);
-extern void dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg,
-        int nelems, enum dma_data_direction direction);
-extern void dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg,
-        int nelems, enum dma_data_direction direction);
-extern int dma_mapping_error(struct device *dev, dma_addr_t dma_addr);
-extern int dma_supported(struct device *dev, u64 mask);
+static inline int dma_mapping_error(struct device *dev, u64 mask)
+{
+        struct dma_map_ops *ops = get_dma_ops(dev);
+        return ops->mapping_error(dev, mask);
+}
 
 static inline int
 dma_set_mask(struct device *dev, u64 mask)
@@ -65,4 +55,34 @@ dma_set_mask(struct device *dev, u64 mask)
 extern void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
                enum dma_data_direction direction);
 
+static inline void *dma_alloc_coherent(struct device *dev, size_t size,
+                                       dma_addr_t *dma_handle, gfp_t gfp)
+{
+        void *ret;
+        struct dma_map_ops *ops = get_dma_ops(dev);
+
+        ret = ops->alloc_coherent(dev, size, dma_handle, gfp);
+
+        debug_dma_alloc_coherent(dev, size, *dma_handle, ret);
+
+        return ret;
+}
+
+static inline void dma_free_coherent(struct device *dev, size_t size,
+                                     void *vaddr, dma_addr_t dma_handle)
+{
+        struct dma_map_ops *ops = get_dma_ops(dev);
+
+        ops->free_coherent(dev, size, vaddr, dma_handle);
+
+        debug_dma_free_coherent(dev, size, vaddr, dma_handle);
+}
+
+
+void *dma_alloc_noncoherent(struct device *dev, size_t size,
+                           dma_addr_t *dma_handle, gfp_t flag);
+
+void dma_free_noncoherent(struct device *dev, size_t size,
+                         void *vaddr, dma_addr_t dma_handle);
+
 #endif /* _ASM_DMA_MAPPING_H */