diff options
Diffstat (limited to 'arch/mips/pci/pci-dac.c')
-rw-r--r-- | arch/mips/pci/pci-dac.c | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/arch/mips/pci/pci-dac.c b/arch/mips/pci/pci-dac.c deleted file mode 100644 index 0f0ea1b7d4dd..000000000000 --- a/arch/mips/pci/pci-dac.c +++ /dev/null | |||
@@ -1,79 +0,0 @@ | |||
1 | /* | ||
2 | * This file is subject to the terms and conditions of the GNU General Public | ||
3 | * License. See the file "COPYING" in the main directory of this archive | ||
4 | * for more details. | ||
5 | * | ||
6 | * Copyright (C) 2000 Ani Joshi <ajoshi@unixbox.com> | ||
7 | * Copyright (C) 2000, 2001, 06 Ralf Baechle <ralf@linux-mips.org> | ||
8 | * swiped from i386, and cloned for MIPS by Geert, polished by Ralf. | ||
9 | */ | ||
10 | |||
11 | #include <linux/types.h> | ||
12 | #include <linux/dma-mapping.h> | ||
13 | #include <linux/mm.h> | ||
14 | #include <linux/module.h> | ||
15 | #include <linux/string.h> | ||
16 | |||
17 | #include <asm/cache.h> | ||
18 | #include <asm/io.h> | ||
19 | |||
20 | #include <dma-coherence.h> | ||
21 | |||
22 | #include <linux/pci.h> | ||
23 | |||
24 | dma64_addr_t pci_dac_page_to_dma(struct pci_dev *pdev, | ||
25 | struct page *page, unsigned long offset, int direction) | ||
26 | { | ||
27 | struct device *dev = &pdev->dev; | ||
28 | |||
29 | BUG_ON(direction == DMA_NONE); | ||
30 | |||
31 | if (!plat_device_is_coherent(dev)) { | ||
32 | unsigned long addr; | ||
33 | |||
34 | addr = (unsigned long) page_address(page) + offset; | ||
35 | dma_cache_wback_inv(addr, PAGE_SIZE); | ||
36 | } | ||
37 | |||
38 | return plat_map_dma_mem_page(dev, page) + offset; | ||
39 | } | ||
40 | |||
41 | EXPORT_SYMBOL(pci_dac_page_to_dma); | ||
42 | |||
43 | struct page *pci_dac_dma_to_page(struct pci_dev *pdev, | ||
44 | dma64_addr_t dma_addr) | ||
45 | { | ||
46 | return pfn_to_page(plat_dma_addr_to_phys(dma_addr) >> PAGE_SHIFT); | ||
47 | } | ||
48 | |||
49 | EXPORT_SYMBOL(pci_dac_dma_to_page); | ||
50 | |||
51 | unsigned long pci_dac_dma_to_offset(struct pci_dev *pdev, | ||
52 | dma64_addr_t dma_addr) | ||
53 | { | ||
54 | return dma_addr & ~PAGE_MASK; | ||
55 | } | ||
56 | |||
57 | EXPORT_SYMBOL(pci_dac_dma_to_offset); | ||
58 | |||
59 | void pci_dac_dma_sync_single_for_cpu(struct pci_dev *pdev, | ||
60 | dma64_addr_t dma_addr, size_t len, int direction) | ||
61 | { | ||
62 | BUG_ON(direction == PCI_DMA_NONE); | ||
63 | |||
64 | if (!plat_device_is_coherent(&pdev->dev)) | ||
65 | dma_cache_wback_inv(dma_addr + PAGE_OFFSET, len); | ||
66 | } | ||
67 | |||
68 | EXPORT_SYMBOL(pci_dac_dma_sync_single_for_cpu); | ||
69 | |||
70 | void pci_dac_dma_sync_single_for_device(struct pci_dev *pdev, | ||
71 | dma64_addr_t dma_addr, size_t len, int direction) | ||
72 | { | ||
73 | BUG_ON(direction == PCI_DMA_NONE); | ||
74 | |||
75 | if (!plat_device_is_coherent(&pdev->dev)) | ||
76 | dma_cache_wback_inv(dma_addr + PAGE_OFFSET, len); | ||
77 | } | ||
78 | |||
79 | EXPORT_SYMBOL(pci_dac_dma_sync_single_for_device); | ||