pci_impl.h 1.9 KB

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  1. /* $Id: pci_impl.h,v 1.9 2001/06/13 06:34:30 davem Exp $
  2. * pci_impl.h: Helper definitions for PCI controller support.
  3. *
  4. * Copyright (C) 1999 David S. Miller (davem@redhat.com)
  5. */
  6. #ifndef PCI_IMPL_H
  7. #define PCI_IMPL_H
  8. #include <linux/types.h>
  9. #include <linux/spinlock.h>
  10. #include <asm/io.h>
  11. #include <asm/prom.h>
  12. extern struct pci_controller_info *pci_controller_root;
  13. extern int pci_num_controllers;
  14. /* PCI bus scanning and fixup support. */
  15. extern void pci_fixup_host_bridge_self(struct pci_bus *pbus);
  16. extern void pci_fill_in_pbm_cookies(struct pci_bus *pbus,
  17. struct pci_pbm_info *pbm,
  18. struct device_node *prom_node);
  19. extern void pci_record_assignments(struct pci_pbm_info *pbm,
  20. struct pci_bus *pbus);
  21. extern void pci_assign_unassigned(struct pci_pbm_info *pbm,
  22. struct pci_bus *pbus);
  23. extern void pci_fixup_irq(struct pci_pbm_info *pbm,
  24. struct pci_bus *pbus);
  25. extern void pci_determine_66mhz_disposition(struct pci_pbm_info *pbm,
  26. struct pci_bus *pbus);
  27. extern void pci_setup_busmastering(struct pci_pbm_info *pbm,
  28. struct pci_bus *pbus);
  29. extern void pci_register_legacy_regions(struct resource *io_res,
  30. struct resource *mem_res);
  31. /* Error reporting support. */
  32. extern void pci_scan_for_target_abort(struct pci_controller_info *, struct pci_pbm_info *, struct pci_bus *);
  33. extern void pci_scan_for_master_abort(struct pci_controller_info *, struct pci_pbm_info *, struct pci_bus *);
  34. extern void pci_scan_for_parity_error(struct pci_controller_info *, struct pci_pbm_info *, struct pci_bus *);
  35. /* Configuration space access. */
  36. extern void pci_config_read8(u8 *addr, u8 *ret);
  37. extern void pci_config_read16(u16 *addr, u16 *ret);
  38. extern void pci_config_read32(u32 *addr, u32 *ret);
  39. extern void pci_config_write8(u8 *addr, u8 val);
  40. extern void pci_config_write16(u16 *addr, u16 val);
  41. extern void pci_config_write32(u32 *addr, u32 val);
  42. #endif /* !(PCI_IMPL_H) */