root/include/asm-generic/pci.h

INCLUDED FROM

DEFINITIONS

1. pcibios_resource_to_bus
2. pcibios_bus_to_resource
3. pcibios_select_root
4. pci_get_legacy_ide_irq

/*
 * linux/include/asm-generic/pci.h
 *
 *  Copyright (C) 2003 Russell King
 */
#ifndef _ASM_GENERIC_PCI_H
#define _ASM_GENERIC_PCI_H

/**
 * pcibios_resource_to_bus - convert resource to PCI bus address
 * @dev: device which owns this resource
 * @region: converted bus-centric region (start,end)
 * @res: resource to convert
 *
 * Convert a resource to a PCI device bus address or bus window.
 */
static inline void
pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region,
                         struct resource *res)
{
        region->start = res->start;
        region->end = res->end;
}

static inline void
pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res,
                        struct pci_bus_region *region)
{
        res->start = region->start;
        res->end = region->end;
}

static inline struct resource *
pcibios_select_root(struct pci_dev *pdev, struct resource *res)
{
        struct resource *root = NULL;

        if (res->flags & IORESOURCE_IO)
                root = &ioport_resource;
        if (res->flags & IORESOURCE_MEM)
                root = &iomem_resource;

        return root;
}

#define pcibios_scan_all_fns(a, b)      0

#ifndef HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ
static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
{
        return channel ? 15 : 14;
}
#endif /* HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ */

#endif