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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * linux/include/asm-generic/pci.h
3 *
4 * Copyright (C) 2003 Russell King
5 */
6#ifndef _ASM_GENERIC_PCI_H
7#define _ASM_GENERIC_PCI_H
8
9/**
10 * pcibios_resource_to_bus - convert resource to PCI bus address
11 * @dev: device which owns this resource
12 * @region: converted bus-centric region (start,end)
13 * @res: resource to convert
14 *
15 * Convert a resource to a PCI device bus address or bus window.
16 */
17static inline void
18pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region,
19 struct resource *res)
20{
21 region->start = res->start;
22 region->end = res->end;
23}
24
Dominik Brodowski43c34732005-08-04 18:06:21 -070025static inline void
26pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res,
27 struct pci_bus_region *region)
28{
29 res->start = region->start;
30 res->end = region->end;
31}
32
Linus Torvalds1da177e2005-04-16 15:20:36 -070033#define pcibios_scan_all_fns(a, b) 0
34
35#ifndef HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ
36static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
37{
38 return channel ? 15 : 14;
39}
40#endif /* HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ */
41
Arnd Bergmannd7c4f1b2009-05-13 22:56:31 +000042/*
43 * By default, assume that no iommu is in use and that the PCI
44 * space is mapped to address physical 0.
45 */
46#ifndef PCI_DMA_BUS_IS_PHYS
47#define PCI_DMA_BUS_IS_PHYS (1)
Linus Torvalds1da177e2005-04-16 15:20:36 -070048#endif
Arnd Bergmannd7c4f1b2009-05-13 22:56:31 +000049
50#endif /* _ASM_GENERIC_PCI_H */