#ifndef _ASM_SPARC64_DMA_MAPPING_H
#define _ASM_SPARC64_DMA_MAPPING_H
-#include <linux/config.h>
#ifdef CONFIG_PCI
- #include <asm-generic/dma-mapping.h>
+
+ /* we implement the API below in terms of the existing PCI one,
+ * so include it */
+ #include <linux/pci.h>
+ /* need struct page definitions */
+ #include <linux/mm.h>
+
+ static inline int
+ dma_supported(struct device *dev, u64 mask)
+ {
+ BUG_ON(dev->bus != &pci_bus_type);
+
+ return pci_dma_supported(to_pci_dev(dev), mask);
+ }
+
+ static inline int
+ dma_set_mask(struct device *dev, u64 dma_mask)
+ {
+ BUG_ON(dev->bus != &pci_bus_type);
+
+ return pci_set_dma_mask(to_pci_dev(dev), dma_mask);
+ }
+
+ static inline void *
+ dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
+ gfp_t flag)
+ {
+ BUG_ON(dev->bus != &pci_bus_type);
+
+ return pci_iommu_ops->alloc_consistent(to_pci_dev(dev), size, dma_handle, flag);
+ }
+
+ static inline void
+ dma_free_coherent(struct device *dev, size_t size, void *cpu_addr,
+ dma_addr_t dma_handle)
+ {
+ BUG_ON(dev->bus != &pci_bus_type);
+
+ pci_free_consistent(to_pci_dev(dev), size, cpu_addr, dma_handle);
+ }
+
+ static inline dma_addr_t
+ dma_map_single(struct device *dev, void *cpu_addr, size_t size,
+ enum dma_data_direction direction)
+ {
+ BUG_ON(dev->bus != &pci_bus_type);
+
+ return pci_map_single(to_pci_dev(dev), cpu_addr, size, (int)direction);
+ }
+
+ static inline void
+ dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
+ enum dma_data_direction direction)
+ {
+ BUG_ON(dev->bus != &pci_bus_type);
+
+ pci_unmap_single(to_pci_dev(dev), dma_addr, size, (int)direction);
+ }
+
+ static inline dma_addr_t
+ dma_map_page(struct device *dev, struct page *page,
+ unsigned long offset, size_t size,
+ enum dma_data_direction direction)
+ {
+ BUG_ON(dev->bus != &pci_bus_type);
+
+ return pci_map_page(to_pci_dev(dev), page, offset, size, (int)direction);
+ }
+
+ static inline void
+ dma_unmap_page(struct device *dev, dma_addr_t dma_address, size_t size,
+ enum dma_data_direction direction)
+ {
+ BUG_ON(dev->bus != &pci_bus_type);
+
+ pci_unmap_page(to_pci_dev(dev), dma_address, size, (int)direction);
+ }
+
+ static inline int
+ dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
+ enum dma_data_direction direction)
+ {
+ BUG_ON(dev->bus != &pci_bus_type);
+
+ return pci_map_sg(to_pci_dev(dev), sg, nents, (int)direction);
+ }
+
+ static inline void
+ dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries,
+ enum dma_data_direction direction)
+ {
+ BUG_ON(dev->bus != &pci_bus_type);
+
+ pci_unmap_sg(to_pci_dev(dev), sg, nhwentries, (int)direction);
+ }
+
+ static inline void
+ dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle, size_t size,
+ enum dma_data_direction direction)
+ {
+ BUG_ON(dev->bus != &pci_bus_type);
+
+ pci_dma_sync_single_for_cpu(to_pci_dev(dev), dma_handle,
+ size, (int)direction);
+ }
+
+ static inline void
+ dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle, size_t size,
+ enum dma_data_direction direction)
+ {
+ BUG_ON(dev->bus != &pci_bus_type);
+
+ pci_dma_sync_single_for_device(to_pci_dev(dev), dma_handle,
+ size, (int)direction);
+ }
+
+ static inline void
+ dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nelems,
+ enum dma_data_direction direction)
+ {
+ BUG_ON(dev->bus != &pci_bus_type);
+
+ pci_dma_sync_sg_for_cpu(to_pci_dev(dev), sg, nelems, (int)direction);
+ }
+
+ static inline void
+ dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, int nelems,
+ enum dma_data_direction direction)
+ {
+ BUG_ON(dev->bus != &pci_bus_type);
+
+ pci_dma_sync_sg_for_device(to_pci_dev(dev), sg, nelems, (int)direction);
+ }
+
+ static inline int
+ dma_mapping_error(dma_addr_t dma_addr)
+ {
+ return pci_dma_mapping_error(dma_addr);
+ }
+
#else
struct device;