Rev 6934 | Go to most recent revision | 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 */ |
||
3 | |||
4 | #ifndef _ASM_GENERIC_PCI_DMA_COMPAT_H |
||
5 | #define _ASM_GENERIC_PCI_DMA_COMPAT_H |
||
6 | |||
7 | #include |
||
8 | |||
9 | static inline void * |
||
6588 | serge | 10 | pci_alloc_consistent(struct pci_dev *hwdev, size_t size, |
11 | dma_addr_t *dma_handle) |
||
12 | { |
||
13 | return dma_alloc_coherent(hwdev == NULL ? NULL : &hwdev->dev, size, dma_handle, GFP_ATOMIC); |
||
14 | } |
||
15 | |||
16 | static inline void * |
||
6102 | serge | 17 | pci_zalloc_consistent(struct pci_dev *hwdev, size_t size, |
18 | dma_addr_t *dma_handle) |
||
19 | { |
||
20 | return dma_zalloc_coherent(hwdev == NULL ? NULL : &hwdev->dev, |
||
21 | size, dma_handle, GFP_ATOMIC); |
||
22 | } |
||
23 | |||
6588 | serge | 24 | static inline void |
25 | pci_free_consistent(struct pci_dev *hwdev, size_t size, |
||
26 | void *vaddr, dma_addr_t dma_handle) |
||
27 | { |
||
28 | dma_free_coherent(hwdev == NULL ? NULL : &hwdev->dev, size, vaddr, dma_handle); |
||
29 | } |
||
30 | |||
6102 | serge | 31 | static inline dma_addr_t |
32 | pci_map_single(struct pci_dev *hwdev, void *ptr, size_t size, int direction) |
||
33 | { |
||
34 | return dma_map_single(hwdev == NULL ? NULL : &hwdev->dev, ptr, size, (enum dma_data_direction)direction); |
||
35 | } |
||
36 | |||
37 | static inline void |
||
38 | pci_unmap_single(struct pci_dev *hwdev, dma_addr_t dma_addr, |
||
39 | size_t size, int direction) |
||
40 | { |
||
41 | dma_unmap_single(hwdev == NULL ? NULL : &hwdev->dev, dma_addr, size, (enum dma_data_direction)direction); |
||
42 | } |
||
43 | |||
44 | static inline dma_addr_t |
||
45 | pci_map_page(struct pci_dev *hwdev, struct page *page, |
||
46 | unsigned long offset, size_t size, int direction) |
||
47 | { |
||
48 | return (dma_addr_t)( (offset)+page_to_phys(page)); |
||
49 | } |
||
50 | |||
51 | static inline void |
||
52 | pci_unmap_page(struct pci_dev *hwdev, dma_addr_t dma_address, |
||
53 | size_t size, int direction) |
||
54 | { |
||
55 | |||
56 | } |
||
57 | |||
58 | static inline int |
||
59 | pci_map_sg(struct pci_dev *hwdev, struct scatterlist *sg, |
||
60 | int nents, int direction) |
||
61 | { |
||
62 | return dma_map_sg(hwdev == NULL ? NULL : &hwdev->dev, sg, nents, (enum dma_data_direction)direction); |
||
63 | } |
||
64 | |||
65 | static inline void |
||
66 | pci_unmap_sg(struct pci_dev *hwdev, struct scatterlist *sg, |
||
67 | int nents, int direction) |
||
68 | { |
||
69 | dma_unmap_sg(hwdev == NULL ? NULL : &hwdev->dev, sg, nents, (enum dma_data_direction)direction); |
||
70 | } |
||
71 | |||
72 | static inline void |
||
73 | pci_dma_sync_single_for_cpu(struct pci_dev *hwdev, dma_addr_t dma_handle, |
||
74 | size_t size, int direction) |
||
75 | { |
||
76 | dma_sync_single_for_cpu(hwdev == NULL ? NULL : &hwdev->dev, dma_handle, size, (enum dma_data_direction)direction); |
||
77 | } |
||
78 | |||
79 | static inline void |
||
80 | pci_dma_sync_single_for_device(struct pci_dev *hwdev, dma_addr_t dma_handle, |
||
81 | size_t size, int direction) |
||
82 | { |
||
83 | dma_sync_single_for_device(hwdev == NULL ? NULL : &hwdev->dev, dma_handle, size, (enum dma_data_direction)direction); |
||
84 | } |
||
85 | |||
86 | static inline void |
||
87 | pci_dma_sync_sg_for_cpu(struct pci_dev *hwdev, struct scatterlist *sg, |
||
88 | int nelems, int direction) |
||
89 | { |
||
90 | dma_sync_sg_for_cpu(hwdev == NULL ? NULL : &hwdev->dev, sg, nelems, (enum dma_data_direction)direction); |
||
91 | } |
||
92 | |||
93 | static inline void |
||
94 | pci_dma_sync_sg_for_device(struct pci_dev *hwdev, struct scatterlist *sg, |
||
95 | int nelems, int direction) |
||
96 | { |
||
97 | dma_sync_sg_for_device(hwdev == NULL ? NULL : &hwdev->dev, sg, nelems, (enum dma_data_direction)direction); |
||
98 | } |
||
99 | |||
100 | static inline int |
||
101 | pci_dma_mapping_error(struct pci_dev *pdev, dma_addr_t dma_addr) |
||
102 | { |
||
103 | return dma_mapping_error(&pdev->dev, dma_addr); |
||
104 | } |
||
105 | |||
106 | #ifdef CONFIG_PCI |
||
107 | static inline int pci_set_dma_mask(struct pci_dev *dev, u64 mask) |
||
108 | { |
||
6125 | serge | 109 | return 0; |
6102 | serge | 110 | } |
111 | |||
112 | static inline int pci_set_consistent_dma_mask(struct pci_dev *dev, u64 mask) |
||
113 | { |
||
6125 | serge | 114 | return 0; |
6102 | serge | 115 | } |
116 | #endif |
||
117 | |||
118 | #endif |