X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Fasm-sh64%2Fdma-mapping.h;h=e661857f98dc8e83bf60bc181e35c4464b343a57;hb=f10f114f199dbcb9e1d6b5a0b36a34acf93f6179;hp=68e27a8fca31f20d90257d454251a31b58e180b5;hpb=ab5cfd2aa3af40b35d7a948de8e279dc82c5b9f6;p=linux-2.6

diff --git a/include/asm-sh64/dma-mapping.h b/include/asm-sh64/dma-mapping.h
index 68e27a8fca..e661857f98 100644
--- a/include/asm-sh64/dma-mapping.h
+++ b/include/asm-sh64/dma-mapping.h
@@ -35,10 +35,18 @@ static inline void dma_free_coherent(struct device *dev, size_t size,
 	consistent_free(NULL, size, vaddr, dma_handle);
 }
 
-static inline void dma_cache_sync(void *vaddr, size_t size,
+#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
+#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
+#define dma_is_consistent(d, h) (1)
+
+static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
 				  enum dma_data_direction dir)
 {
-	dma_cache_wback_inv((unsigned long)vaddr, size);
+	unsigned long s = (unsigned long) vaddr & L1_CACHE_ALIGN_MASK;
+	unsigned long e = (vaddr + size) & L1_CACHE_ALIGN_MASK;
+
+	for (; s <= e; s += L1_CACHE_BYTES)
+		asm volatile ("ocbp	%0, 0" : : "r" (s));
 }
 
 static inline dma_addr_t dma_map_single(struct device *dev,
@@ -47,11 +55,11 @@ static inline dma_addr_t dma_map_single(struct device *dev,
 {
 #if defined(CONFIG_PCI) && !defined(CONFIG_SH_PCIDMA_NONCOHERENT)
 	if (dev->bus == &pci_bus_type)
-		return virt_to_bus(ptr);
+		return virt_to_phys(ptr);
 #endif
-	dma_cache_sync(ptr, size, dir);
+	dma_cache_sync(dev, ptr, size, dir);
 
-	return virt_to_bus(ptr);
+	return virt_to_phys(ptr);
 }
 
 #define dma_unmap_single(dev, addr, size, dir)	do { } while (0)
@@ -63,7 +71,7 @@ static inline int dma_map_sg(struct device *dev, struct scatterlist *sg,
 
 	for (i = 0; i < nents; i++) {
 #if !defined(CONFIG_PCI) || defined(CONFIG_SH_PCIDMA_NONCOHERENT)
-		dma_cache_sync(page_address(sg[i].page) + sg[i].offset,
+		dma_cache_sync(dev, page_address(sg[i].page) + sg[i].offset,
 			       sg[i].length, dir);
 #endif
 		sg[i].dma_address = page_to_phys(sg[i].page) + sg[i].offset;
@@ -94,7 +102,7 @@ static inline void dma_sync_single(struct device *dev, dma_addr_t dma_handle,
 	if (dev->bus == &pci_bus_type)
 		return;
 #endif
-	dma_cache_sync(bus_to_virt(dma_handle), size, dir);
+	dma_cache_sync(dev, phys_to_virt(dma_handle), size, dir);
 }
 
 static inline void dma_sync_single_range(struct device *dev,
@@ -106,7 +114,7 @@ static inline void dma_sync_single_range(struct device *dev,
 	if (dev->bus == &pci_bus_type)
 		return;
 #endif
-	dma_cache_sync(bus_to_virt(dma_handle) + offset, size, dir);
+	dma_cache_sync(dev, phys_to_virt(dma_handle) + offset, size, dir);
 }
 
 static inline void dma_sync_sg(struct device *dev, struct scatterlist *sg,
@@ -116,7 +124,7 @@ static inline void dma_sync_sg(struct device *dev, struct scatterlist *sg,
 
 	for (i = 0; i < nelems; i++) {
 #if !defined(CONFIG_PCI) || defined(CONFIG_SH_PCIDMA_NONCOHERENT)
-		dma_cache_sync(page_address(sg[i].page) + sg[i].offset,
+		dma_cache_sync(dev, page_address(sg[i].page) + sg[i].offset,
 			       sg[i].length, dir);
 #endif
 		sg[i].dma_address = page_to_phys(sg[i].page) + sg[i].offset;
@@ -137,6 +145,24 @@ static inline void dma_sync_single_for_device(struct device *dev,
 	dma_sync_single(dev, dma_handle, size, dir);
 }
 
+static inline 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)
+{
+	dma_sync_single_for_cpu(dev, dma_handle+offset, size, direction);
+}
+
+static inline 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)
+{
+	dma_sync_single_for_device(dev, dma_handle+offset, size, direction);
+}
+
 static inline void dma_sync_sg_for_cpu(struct device *dev,
 				       struct scatterlist *sg, int nelems,
 				       enum dma_data_direction dir)