1 #ifndef _ASM_SPARC64_DMA_MAPPING_H
2 #define _ASM_SPARC64_DMA_MAPPING_H
7 /* we implement the API below in terms of the existing PCI one,
10 /* need struct page definitions */
14 dma_supported(struct device *dev, u64 mask)
16 BUG_ON(dev->bus != &pci_bus_type);
18 return pci_dma_supported(to_pci_dev(dev), mask);
22 dma_set_mask(struct device *dev, u64 dma_mask)
24 BUG_ON(dev->bus != &pci_bus_type);
26 return pci_set_dma_mask(to_pci_dev(dev), dma_mask);
30 dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
33 BUG_ON(dev->bus != &pci_bus_type);
35 return pci_iommu_ops->alloc_consistent(to_pci_dev(dev), size, dma_handle, flag);
39 dma_free_coherent(struct device *dev, size_t size, void *cpu_addr,
40 dma_addr_t dma_handle)
42 BUG_ON(dev->bus != &pci_bus_type);
44 pci_free_consistent(to_pci_dev(dev), size, cpu_addr, dma_handle);
47 static inline dma_addr_t
48 dma_map_single(struct device *dev, void *cpu_addr, size_t size,
49 enum dma_data_direction direction)
51 BUG_ON(dev->bus != &pci_bus_type);
53 return pci_map_single(to_pci_dev(dev), cpu_addr, size, (int)direction);
57 dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
58 enum dma_data_direction direction)
60 BUG_ON(dev->bus != &pci_bus_type);
62 pci_unmap_single(to_pci_dev(dev), dma_addr, size, (int)direction);
65 static inline dma_addr_t
66 dma_map_page(struct device *dev, struct page *page,
67 unsigned long offset, size_t size,
68 enum dma_data_direction direction)
70 BUG_ON(dev->bus != &pci_bus_type);
72 return pci_map_page(to_pci_dev(dev), page, offset, size, (int)direction);
76 dma_unmap_page(struct device *dev, dma_addr_t dma_address, size_t size,
77 enum dma_data_direction direction)
79 BUG_ON(dev->bus != &pci_bus_type);
81 pci_unmap_page(to_pci_dev(dev), dma_address, size, (int)direction);
85 dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
86 enum dma_data_direction direction)
88 BUG_ON(dev->bus != &pci_bus_type);
90 return pci_map_sg(to_pci_dev(dev), sg, nents, (int)direction);
94 dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries,
95 enum dma_data_direction direction)
97 BUG_ON(dev->bus != &pci_bus_type);
99 pci_unmap_sg(to_pci_dev(dev), sg, nhwentries, (int)direction);
103 dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle, size_t size,
104 enum dma_data_direction direction)
106 BUG_ON(dev->bus != &pci_bus_type);
108 pci_dma_sync_single_for_cpu(to_pci_dev(dev), dma_handle,
109 size, (int)direction);
113 dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle, size_t size,
114 enum dma_data_direction direction)
116 BUG_ON(dev->bus != &pci_bus_type);
118 pci_dma_sync_single_for_device(to_pci_dev(dev), dma_handle,
119 size, (int)direction);
123 dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nelems,
124 enum dma_data_direction direction)
126 BUG_ON(dev->bus != &pci_bus_type);
128 pci_dma_sync_sg_for_cpu(to_pci_dev(dev), sg, nelems, (int)direction);
132 dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, int nelems,
133 enum dma_data_direction direction)
135 BUG_ON(dev->bus != &pci_bus_type);
137 pci_dma_sync_sg_for_device(to_pci_dev(dev), sg, nelems, (int)direction);
141 dma_mapping_error(dma_addr_t dma_addr)
143 return pci_dma_mapping_error(dma_addr);
150 static inline void *dma_alloc_coherent(struct device *dev, size_t size,
151 dma_addr_t *dma_handle, gfp_t flag)
157 static inline void dma_free_coherent(struct device *dev, size_t size,
158 void *vaddr, dma_addr_t dma_handle)
165 #endif /* _ASM_SPARC64_DMA_MAPPING_H */