#define __ASM_SH_DMA_MAPPING_H
#include <linux/mm.h>
-#include <asm/scatterlist.h>
+#include <linux/scatterlist.h>
#include <asm/io.h>
struct pci_dev;
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 start = (unsigned long) vaddr;
+ unsigned long s = start & L1_CACHE_ALIGN_MASK;
+ unsigned long e = (start + 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,
{
#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(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)
for (i = 0; i < nents; i++) {
#if !defined(CONFIG_PCI) || defined(CONFIG_SH_PCIDMA_NONCOHERENT)
- dma_cache_sync(dev, page_address(sg[i].page) + sg[i].offset,
- sg[i].length, dir);
+ dma_cache_sync(dev, sg_virt(&sg[i]), sg[i].length, dir);
#endif
- sg[i].dma_address = page_to_phys(sg[i].page) + sg[i].offset;
+ sg[i].dma_address = sg_phys(&sg[i]);
}
return nents;
if (dev->bus == &pci_bus_type)
return;
#endif
- dma_cache_sync(dev, 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,
if (dev->bus == &pci_bus_type)
return;
#endif
- dma_cache_sync(dev, 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,
for (i = 0; i < nelems; i++) {
#if !defined(CONFIG_PCI) || defined(CONFIG_SH_PCIDMA_NONCOHERENT)
- dma_cache_sync(dev, page_address(sg[i].page) + sg[i].offset,
- sg[i].length, dir);
+ dma_cache_sync(dev, sg_virt(&sg[i]), sg[i].length, dir);
#endif
- sg[i].dma_address = page_to_phys(sg[i].page) + sg[i].offset;
+ sg[i].dma_address = sg_phys(&sg[i]);
}
}
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)