LXR linux/include/asm-generic/pci.h

   1/*
   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
  25static 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
  33static 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
  46#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
  56