Rev 6934 | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 6102 | serge | 1 | /* include this file if the platform implements the dma_ DMA Mapping API |
| 2 | * and wants to provide the pci_ DMA Mapping API in terms of it */ |
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| 3 | |||
| 4 | #ifndef _ASM_GENERIC_PCI_DMA_COMPAT_H |
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| 5 | #define _ASM_GENERIC_PCI_DMA_COMPAT_H |
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| 6 | |||
| 7 | #include |
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| 8 | |||
| 9 | static inline void * |
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| 6588 | serge | 10 | pci_alloc_consistent(struct pci_dev *hwdev, size_t size, |
| 11 | dma_addr_t *dma_handle) |
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| 12 | { |
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| 13 | return dma_alloc_coherent(hwdev == NULL ? NULL : &hwdev->dev, size, dma_handle, GFP_ATOMIC); |
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| 14 | } |
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| 15 | |||
| 16 | static inline void * |
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| 6102 | serge | 17 | pci_zalloc_consistent(struct pci_dev *hwdev, size_t size, |
| 18 | dma_addr_t *dma_handle) |
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| 19 | { |
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| 20 | return dma_zalloc_coherent(hwdev == NULL ? NULL : &hwdev->dev, |
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| 21 | size, dma_handle, GFP_ATOMIC); |
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| 22 | } |
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| 23 | |||
| 6588 | serge | 24 | static inline void |
| 25 | pci_free_consistent(struct pci_dev *hwdev, size_t size, |
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| 26 | void *vaddr, dma_addr_t dma_handle) |
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| 27 | { |
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| 28 | dma_free_coherent(hwdev == NULL ? NULL : &hwdev->dev, size, vaddr, dma_handle); |
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| 29 | } |
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| 30 | |||
| 6102 | serge | 31 | static inline dma_addr_t |
| 32 | pci_map_single(struct pci_dev *hwdev, void *ptr, size_t size, int direction) |
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| 33 | { |
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| 34 | return dma_map_single(hwdev == NULL ? NULL : &hwdev->dev, ptr, size, (enum dma_data_direction)direction); |
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| 35 | } |
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| 36 | |||
| 37 | static inline void |
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| 38 | pci_unmap_single(struct pci_dev *hwdev, dma_addr_t dma_addr, |
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| 39 | size_t size, int direction) |
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| 40 | { |
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| 41 | dma_unmap_single(hwdev == NULL ? NULL : &hwdev->dev, dma_addr, size, (enum dma_data_direction)direction); |
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| 42 | } |
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| 43 | |||
| 44 | static inline dma_addr_t |
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| 45 | pci_map_page(struct pci_dev *hwdev, struct page *page, |
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| 46 | unsigned long offset, size_t size, int direction) |
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| 47 | { |
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| 48 | return (dma_addr_t)( (offset)+page_to_phys(page)); |
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| 49 | } |
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| 50 | |||
| 51 | static inline void |
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| 52 | pci_unmap_page(struct pci_dev *hwdev, dma_addr_t dma_address, |
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| 53 | size_t size, int direction) |
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| 54 | { |
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| 55 | |||
| 56 | } |
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| 57 | |||
| 58 | static inline int |
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| 59 | pci_map_sg(struct pci_dev *hwdev, struct scatterlist *sg, |
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| 60 | int nents, int direction) |
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| 61 | { |
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| 62 | return dma_map_sg(hwdev == NULL ? NULL : &hwdev->dev, sg, nents, (enum dma_data_direction)direction); |
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| 63 | } |
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| 64 | |||
| 65 | static inline void |
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| 66 | pci_unmap_sg(struct pci_dev *hwdev, struct scatterlist *sg, |
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| 67 | int nents, int direction) |
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| 68 | { |
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| 69 | dma_unmap_sg(hwdev == NULL ? NULL : &hwdev->dev, sg, nents, (enum dma_data_direction)direction); |
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| 70 | } |
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| 71 | |||
| 72 | static inline void |
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| 73 | pci_dma_sync_single_for_cpu(struct pci_dev *hwdev, dma_addr_t dma_handle, |
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| 74 | size_t size, int direction) |
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| 75 | { |
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| 76 | dma_sync_single_for_cpu(hwdev == NULL ? NULL : &hwdev->dev, dma_handle, size, (enum dma_data_direction)direction); |
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| 77 | } |
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| 78 | |||
| 79 | static inline void |
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| 80 | pci_dma_sync_single_for_device(struct pci_dev *hwdev, dma_addr_t dma_handle, |
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| 81 | size_t size, int direction) |
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| 82 | { |
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| 83 | dma_sync_single_for_device(hwdev == NULL ? NULL : &hwdev->dev, dma_handle, size, (enum dma_data_direction)direction); |
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| 84 | } |
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| 85 | |||
| 86 | static inline void |
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| 87 | pci_dma_sync_sg_for_cpu(struct pci_dev *hwdev, struct scatterlist *sg, |
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| 88 | int nelems, int direction) |
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| 89 | { |
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| 90 | dma_sync_sg_for_cpu(hwdev == NULL ? NULL : &hwdev->dev, sg, nelems, (enum dma_data_direction)direction); |
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| 91 | } |
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| 92 | |||
| 93 | static inline void |
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| 94 | pci_dma_sync_sg_for_device(struct pci_dev *hwdev, struct scatterlist *sg, |
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| 95 | int nelems, int direction) |
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| 96 | { |
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| 97 | dma_sync_sg_for_device(hwdev == NULL ? NULL : &hwdev->dev, sg, nelems, (enum dma_data_direction)direction); |
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| 98 | } |
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| 99 | |||
| 100 | static inline int |
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| 101 | pci_dma_mapping_error(struct pci_dev *pdev, dma_addr_t dma_addr) |
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| 102 | { |
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| 103 | return dma_mapping_error(&pdev->dev, dma_addr); |
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| 104 | } |
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| 105 | |||
| 106 | #ifdef CONFIG_PCI |
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| 107 | static inline int pci_set_dma_mask(struct pci_dev *dev, u64 mask) |
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| 108 | { |
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| 6125 | serge | 109 | return 0; |
| 6102 | serge | 110 | } |
| 111 | |||
| 112 | static inline int pci_set_consistent_dma_mask(struct pci_dev *dev, u64 mask) |
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| 113 | { |
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| 6125 | serge | 114 | return 0; |
| 6102 | serge | 115 | } |
| 116 | #endif |
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| 117 | |||
| 118 | #endif |