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 static inline struct resource *
  10 pcibios_select_root(struct pci_dev *pdev, struct resource *res)
  11 {
  12         struct resource *root = NULL;
  13
  14         if (res->flags & IORESOURCE_IO)
  15                 root = &ioport_resource;
  16         if (res->flags & IORESOURCE_MEM)
  17                 root = &iomem_resource;
  18
  19         return root;
  20 }
  21
  22 #ifndef HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ
  23 static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
  24 {
  25         return channel ? 15 : 14;
  26 }
  27 #endif /* HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ */
  28
  29 /*
  30  * By default, assume that no iommu is in use and that the PCI
  31  * space is mapped to address physical 0.
  32  */
  33 #ifndef PCI_DMA_BUS_IS_PHYS
  34 #define PCI_DMA_BUS_IS_PHYS     (1)
  35 #endif
  36
  37 #endif /* _ASM_GENERIC_PCI_H */