sparc32: Implement more generic dma_*() interfaces.
These dispatch to either PCI or SBUS routines based upon
the device bus type.
This will allow us to let SBUS drivers call these routines.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/include/asm/dma-mapping_32.h b/arch/sparc/include/asm/dma-mapping_32.h
index f3a641e..8a57ea0 100644
--- a/arch/sparc/include/asm/dma-mapping_32.h
+++ b/arch/sparc/include/asm/dma-mapping_32.h
@@ -1,11 +1,60 @@
#ifndef _ASM_SPARC_DMA_MAPPING_H
#define _ASM_SPARC_DMA_MAPPING_H
+#include <linux/types.h>
-#ifdef CONFIG_PCI
-#include <asm-generic/dma-mapping.h>
-#else
-#include <asm-generic/dma-mapping-broken.h>
-#endif /* PCI */
+struct device;
+struct scatterlist;
+struct page;
+
+#define DMA_ERROR_CODE (~(dma_addr_t)0x0)
+
+extern int dma_supported(struct device *dev, u64 mask);
+extern int dma_set_mask(struct device *dev, u64 dma_mask);
+extern void *dma_alloc_coherent(struct device *dev, size_t size,
+ dma_addr_t *dma_handle, gfp_t flag);
+extern void dma_free_coherent(struct device *dev, size_t size,
+ void *cpu_addr, dma_addr_t dma_handle);
+extern dma_addr_t dma_map_single(struct device *dev, void *cpu_addr,
+ 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 dma_addr_t dma_map_page(struct device *dev, struct page *page,
+ unsigned long offset, size_t size,
+ enum dma_data_direction direction);
+extern void dma_unmap_page(struct device *dev, dma_addr_t dma_address,
+ 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 void dma_unmap_sg(struct device *dev, struct scatterlist *sg,
+ int nents, 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_get_cache_alignment(void);
+
+#define dma_alloc_noncoherent dma_alloc_coherent
+#define dma_free_noncoherent dma_free_coherent
#endif /* _ASM_SPARC_DMA_MAPPING_H */