Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 */ |
| 3 | |
| 4 | #ifndef _ASM_GENERIC_PCI_DMA_COMPAT_H |
| 5 | #define _ASM_GENERIC_PCI_DMA_COMPAT_H |
| 6 | |
| 7 | #include <linux/dma-mapping.h> |
| 8 | |
| 9 | /* note pci_set_dma_mask isn't here, since it's a public function |
| 10 | * exported from drivers/pci, use dma_supported instead */ |
| 11 | |
| 12 | static inline int |
| 13 | pci_dma_supported(struct pci_dev *hwdev, u64 mask) |
| 14 | { |
| 15 | return dma_supported(hwdev == NULL ? NULL : &hwdev->dev, mask); |
| 16 | } |
| 17 | |
| 18 | static inline void * |
| 19 | pci_alloc_consistent(struct pci_dev *hwdev, size_t size, |
| 20 | dma_addr_t *dma_handle) |
| 21 | { |
| 22 | return dma_alloc_coherent(hwdev == NULL ? NULL : &hwdev->dev, size, dma_handle, GFP_ATOMIC); |
| 23 | } |
| 24 | |
| 25 | static inline void |
| 26 | pci_free_consistent(struct pci_dev *hwdev, size_t size, |
| 27 | void *vaddr, dma_addr_t dma_handle) |
| 28 | { |
| 29 | dma_free_coherent(hwdev == NULL ? NULL : &hwdev->dev, size, vaddr, dma_handle); |
| 30 | } |
| 31 | |
| 32 | static inline dma_addr_t |
| 33 | pci_map_single(struct pci_dev *hwdev, void *ptr, size_t size, int direction) |
| 34 | { |
| 35 | return dma_map_single(hwdev == NULL ? NULL : &hwdev->dev, ptr, size, (enum dma_data_direction)direction); |
| 36 | } |
| 37 | |
| 38 | static inline void |
| 39 | pci_unmap_single(struct pci_dev *hwdev, dma_addr_t dma_addr, |
| 40 | size_t size, int direction) |
| 41 | { |
| 42 | dma_unmap_single(hwdev == NULL ? NULL : &hwdev->dev, dma_addr, size, (enum dma_data_direction)direction); |
| 43 | } |
| 44 | |
| 45 | static inline dma_addr_t |
| 46 | pci_map_page(struct pci_dev *hwdev, struct page *page, |
| 47 | unsigned long offset, size_t size, int direction) |
| 48 | { |
| 49 | return dma_map_page(hwdev == NULL ? NULL : &hwdev->dev, page, offset, size, (enum dma_data_direction)direction); |
| 50 | } |
| 51 | |
| 52 | static inline void |
| 53 | pci_unmap_page(struct pci_dev *hwdev, dma_addr_t dma_address, |
| 54 | size_t size, int direction) |
| 55 | { |
| 56 | dma_unmap_page(hwdev == NULL ? NULL : &hwdev->dev, dma_address, size, (enum dma_data_direction)direction); |
| 57 | } |
| 58 | |
| 59 | static inline int |
| 60 | pci_map_sg(struct pci_dev *hwdev, struct scatterlist *sg, |
| 61 | int nents, int direction) |
| 62 | { |
| 63 | return dma_map_sg(hwdev == NULL ? NULL : &hwdev->dev, sg, nents, (enum dma_data_direction)direction); |
| 64 | } |
| 65 | |
| 66 | static inline void |
| 67 | pci_unmap_sg(struct pci_dev *hwdev, struct scatterlist *sg, |
| 68 | int nents, int direction) |
| 69 | { |
| 70 | dma_unmap_sg(hwdev == NULL ? NULL : &hwdev->dev, sg, nents, (enum dma_data_direction)direction); |
| 71 | } |
| 72 | |
| 73 | static inline void |
| 74 | pci_dma_sync_single_for_cpu(struct pci_dev *hwdev, dma_addr_t dma_handle, |
| 75 | size_t size, int direction) |
| 76 | { |
| 77 | dma_sync_single_for_cpu(hwdev == NULL ? NULL : &hwdev->dev, dma_handle, size, (enum dma_data_direction)direction); |
| 78 | } |
| 79 | |
| 80 | static inline void |
| 81 | pci_dma_sync_single_for_device(struct pci_dev *hwdev, dma_addr_t dma_handle, |
| 82 | size_t size, int direction) |
| 83 | { |
| 84 | dma_sync_single_for_device(hwdev == NULL ? NULL : &hwdev->dev, dma_handle, size, (enum dma_data_direction)direction); |
| 85 | } |
| 86 | |
| 87 | static inline void |
| 88 | pci_dma_sync_sg_for_cpu(struct pci_dev *hwdev, struct scatterlist *sg, |
| 89 | int nelems, int direction) |
| 90 | { |
| 91 | dma_sync_sg_for_cpu(hwdev == NULL ? NULL : &hwdev->dev, sg, nelems, (enum dma_data_direction)direction); |
| 92 | } |
| 93 | |
| 94 | static inline void |
| 95 | pci_dma_sync_sg_for_device(struct pci_dev *hwdev, struct scatterlist *sg, |
| 96 | int nelems, int direction) |
| 97 | { |
| 98 | dma_sync_sg_for_device(hwdev == NULL ? NULL : &hwdev->dev, sg, nelems, (enum dma_data_direction)direction); |
| 99 | } |
| 100 | |
| 101 | static inline int |
FUJITA Tomonori | 8d8bb39 | 2008-07-25 19:44:49 -0700 | [diff] [blame] | 102 | pci_dma_mapping_error(struct pci_dev *pdev, dma_addr_t dma_addr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 103 | { |
FUJITA Tomonori | 8d8bb39 | 2008-07-25 19:44:49 -0700 | [diff] [blame] | 104 | return dma_mapping_error(&pdev->dev, dma_addr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 105 | } |
| 106 | |
| 107 | #endif |