include/asm-mips/pci_channel.h

   1 #ifndef __ASM_PCI_CHANNEL_H
   2 #define __ASM_PCI_CHANNEL_H
   3
   4 /*
   5  * This file essentially defines the interface between board
   6  * specific PCI code and MIPS common PCI code.  Should potentially put
   7  * into include/asm/pci.h file.
   8  */
   9
  10 #include <linux/ioport.h>
  11 #include <linux/pci.h>
  12
  13 /*
  14  * Each pci channel is a top-level PCI bus seem by CPU.  A machine  with
  15  * multiple PCI channels may have multiple PCI host controllers or a
  16  * single controller supporting multiple channels.
  17  */
  18 struct pci_controller {
  19         struct pci_controller *next;
  20         struct pci_bus *bus;
  21
  22         struct pci_ops *pci_ops;
  23         struct resource *mem_resource;
  24         unsigned long mem_offset;
  25         struct resource *io_resource;
  26         unsigned long io_offset;
  27
  28         /* For compatibility with current (as of July 2003) pciutils
  29            and XFree86. Eventually will be removed. */
  30         unsigned int need_domain_info;
  31
  32         int iommu;
  33 };
  34
  35 /*
  36  * Used by boards to register their PCI interfaces before the actual scanning.
  37  */
  38 extern struct pci_controller * alloc_pci_controller(void);
  39 extern void register_pci_controller(struct pci_controller *hose);
  40
  41 /*
  42  * board supplied pci irq fixup routine
  43  */
  44 extern int pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin);
  45
  46 #endif  /* __ASM_PCI_CHANNEL_H */