2 * linux/include/asm-generic/pci.h
4 * Copyright (C) 2003 Russell King
6 #ifndef _ASM_GENERIC_PCI_H
7 #define _ASM_GENERIC_PCI_H
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
15 * Convert a resource to a PCI device bus address or bus window.
18 pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region,
21 region->start = res->start;
22 region->end = res->end;
26 pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res,
27 struct pci_bus_region *region)
29 res->start = region->start;
30 res->end = region->end;
33 static inline struct resource *
34 pcibios_select_root(struct pci_dev *pdev, struct resource *res)
36 struct resource *root = NULL;
38 if (res->flags & IORESOURCE_IO)
39 root = &ioport_resource;
40 if (res->flags & IORESOURCE_MEM)
41 root = &iomem_resource;
46 #define pcibios_scan_all_fns(a, b) 0
48 #ifndef HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ
49 static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
51 return channel ? 15 : 14;
53 #endif /* HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ */