Commit | Line | Data |
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10c9c10c G |
1 | /* |
2 | * Contains routines needed to support swiotlb for UniCore32. | |
3 | * | |
4 | * Copyright (C) 2010 Guan Xuetao | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify it | |
7 | * under the terms of the GNU General Public License as published by the | |
8 | * Free Software Foundation; either version 2 of the License, or (at your | |
9 | * option) any later version. | |
10 | */ | |
11 | #include <linux/pci.h> | |
12 | #include <linux/cache.h> | |
13 | #include <linux/module.h> | |
14 | #include <linux/dma-mapping.h> | |
15 | #include <linux/swiotlb.h> | |
16 | #include <linux/bootmem.h> | |
17 | ||
18 | #include <asm/dma.h> | |
19 | ||
ffc4a3fa AP |
20 | static void *unicore_swiotlb_alloc_coherent(struct device *dev, size_t size, |
21 | dma_addr_t *dma_handle, gfp_t flags, | |
00085f1e | 22 | unsigned long attrs) |
ffc4a3fa AP |
23 | { |
24 | return swiotlb_alloc_coherent(dev, size, dma_handle, flags); | |
25 | } | |
26 | ||
27 | static void unicore_swiotlb_free_coherent(struct device *dev, size_t size, | |
28 | void *vaddr, dma_addr_t dma_addr, | |
00085f1e | 29 | unsigned long attrs) |
ffc4a3fa AP |
30 | { |
31 | swiotlb_free_coherent(dev, size, vaddr, dma_addr); | |
32 | } | |
33 | ||
10c9c10c | 34 | struct dma_map_ops swiotlb_dma_map_ops = { |
ffc4a3fa AP |
35 | .alloc = unicore_swiotlb_alloc_coherent, |
36 | .free = unicore_swiotlb_free_coherent, | |
10c9c10c G |
37 | .map_sg = swiotlb_map_sg_attrs, |
38 | .unmap_sg = swiotlb_unmap_sg_attrs, | |
39 | .dma_supported = swiotlb_dma_supported, | |
40 | .map_page = swiotlb_map_page, | |
41 | .unmap_page = swiotlb_unmap_page, | |
42 | .sync_single_for_cpu = swiotlb_sync_single_for_cpu, | |
43 | .sync_single_for_device = swiotlb_sync_single_for_device, | |
44 | .sync_sg_for_cpu = swiotlb_sync_sg_for_cpu, | |
45 | .sync_sg_for_device = swiotlb_sync_sg_for_device, | |
46 | .mapping_error = swiotlb_dma_mapping_error, | |
47 | }; | |
48 | EXPORT_SYMBOL(swiotlb_dma_map_ops); |