blob: c36a77d3bf44473b603b9c7d2a4749521f708a79 [file] [log] [blame]
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
David S. Miller085ae412005-08-08 13:19:08 -070033static inline struct resource *
34pcibios_select_root(struct pci_dev *pdev, struct resource *res)
35{
36 struct resource *root = NULL;
37
38 if (res->flags & IORESOURCE_IO)
39 root = &ioport_resource;
40 if (res->flags & IORESOURCE_MEM)
41 root = &iomem_resource;
42
43 return root;
44}
45
Linus Torvalds1da177e2005-04-16 15:20:36 -070046#define pcibios_scan_all_fns(a, b) 0
47
48#ifndef HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ
49static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
50{
51 return channel ? 15 : 14;
52}
53#endif /* HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ */
54
55#endif