Commit | Line | Data |
---|---|---|
1da177e4 LT |
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 | ||
1da177e4 LT |
9 | static inline int |
10 | pci_dma_supported(struct pci_dev *hwdev, u64 mask) | |
11 | { | |
12 | return dma_supported(hwdev == NULL ? NULL : &hwdev->dev, mask); | |
13 | } | |
14 | ||
15 | static inline void * | |
16 | pci_alloc_consistent(struct pci_dev *hwdev, size_t size, | |
17 | dma_addr_t *dma_handle) | |
18 | { | |
19 | return dma_alloc_coherent(hwdev == NULL ? NULL : &hwdev->dev, size, dma_handle, GFP_ATOMIC); | |
20 | } | |
21 | ||
22 | static inline void | |
23 | pci_free_consistent(struct pci_dev *hwdev, size_t size, | |
24 | void *vaddr, dma_addr_t dma_handle) | |
25 | { | |
26 | dma_free_coherent(hwdev == NULL ? NULL : &hwdev->dev, size, vaddr, dma_handle); | |
27 | } | |
28 | ||
29 | static inline dma_addr_t | |
30 | pci_map_single(struct pci_dev *hwdev, void *ptr, size_t size, int direction) | |
31 | { | |
32 | return dma_map_single(hwdev == NULL ? NULL : &hwdev->dev, ptr, size, (enum dma_data_direction)direction); | |
33 | } | |
34 | ||
35 | static inline void | |
36 | pci_unmap_single(struct pci_dev *hwdev, dma_addr_t dma_addr, | |
37 | size_t size, int direction) | |
38 | { | |
39 | dma_unmap_single(hwdev == NULL ? NULL : &hwdev->dev, dma_addr, size, (enum dma_data_direction)direction); | |
40 | } | |
41 | ||
42 | static inline dma_addr_t | |
43 | pci_map_page(struct pci_dev *hwdev, struct page *page, | |
44 | unsigned long offset, size_t size, int direction) | |
45 | { | |
46 | return dma_map_page(hwdev == NULL ? NULL : &hwdev->dev, page, offset, size, (enum dma_data_direction)direction); | |
47 | } | |
48 | ||
49 | static inline void | |
50 | pci_unmap_page(struct pci_dev *hwdev, dma_addr_t dma_address, | |
51 | size_t size, int direction) | |
52 | { | |
53 | dma_unmap_page(hwdev == NULL ? NULL : &hwdev->dev, dma_address, size, (enum dma_data_direction)direction); | |
54 | } | |
55 | ||
56 | static inline int | |
57 | pci_map_sg(struct pci_dev *hwdev, struct scatterlist *sg, | |
58 | int nents, int direction) | |
59 | { | |
60 | return dma_map_sg(hwdev == NULL ? NULL : &hwdev->dev, sg, nents, (enum dma_data_direction)direction); | |
61 | } | |
62 | ||
63 | static inline void | |
64 | pci_unmap_sg(struct pci_dev *hwdev, struct scatterlist *sg, | |
65 | int nents, int direction) | |
66 | { | |
67 | dma_unmap_sg(hwdev == NULL ? NULL : &hwdev->dev, sg, nents, (enum dma_data_direction)direction); | |
68 | } | |
69 | ||
70 | static inline void | |
71 | pci_dma_sync_single_for_cpu(struct pci_dev *hwdev, dma_addr_t dma_handle, | |
72 | size_t size, int direction) | |
73 | { | |
74 | dma_sync_single_for_cpu(hwdev == NULL ? NULL : &hwdev->dev, dma_handle, size, (enum dma_data_direction)direction); | |
75 | } | |
76 | ||
77 | static inline void | |
78 | pci_dma_sync_single_for_device(struct pci_dev *hwdev, dma_addr_t dma_handle, | |
79 | size_t size, int direction) | |
80 | { | |
81 | dma_sync_single_for_device(hwdev == NULL ? NULL : &hwdev->dev, dma_handle, size, (enum dma_data_direction)direction); | |
82 | } | |
83 | ||
84 | static inline void | |
85 | pci_dma_sync_sg_for_cpu(struct pci_dev *hwdev, struct scatterlist *sg, | |
86 | int nelems, int direction) | |
87 | { | |
88 | dma_sync_sg_for_cpu(hwdev == NULL ? NULL : &hwdev->dev, sg, nelems, (enum dma_data_direction)direction); | |
89 | } | |
90 | ||
91 | static inline void | |
92 | pci_dma_sync_sg_for_device(struct pci_dev *hwdev, struct scatterlist *sg, | |
93 | int nelems, int direction) | |
94 | { | |
95 | dma_sync_sg_for_device(hwdev == NULL ? NULL : &hwdev->dev, sg, nelems, (enum dma_data_direction)direction); | |
96 | } | |
97 | ||
98 | static inline int | |
8d8bb39b | 99 | pci_dma_mapping_error(struct pci_dev *pdev, dma_addr_t dma_addr) |
1da177e4 | 100 | { |
8d8bb39b | 101 | return dma_mapping_error(&pdev->dev, dma_addr); |
1da177e4 LT |
102 | } |
103 | ||
5f3cd1e0 FT |
104 | #ifdef CONFIG_PCI |
105 | static inline int pci_set_dma_mask(struct pci_dev *dev, u64 mask) | |
106 | { | |
107 | return dma_set_mask(&dev->dev, mask); | |
108 | } | |
109 | ||
110 | static inline int pci_set_consistent_dma_mask(struct pci_dev *dev, u64 mask) | |
111 | { | |
112 | return dma_set_coherent_mask(&dev->dev, mask); | |
113 | } | |
114 | #endif | |
115 | ||
1da177e4 | 116 | #endif |