arch/sparc64/kernel/pci_impl.h

   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
   7 #ifndef PCI_IMPL_H
   8 #define PCI_IMPL_H
   9
  10 #include <linux/types.h>
  11 #include <linux/spinlock.h>
  12 #include <asm/io.h>
  13 #include <asm/prom.h>
  14
  15 extern struct pci_controller_info *pci_controller_root;
  16
  17 extern int pci_num_controllers;
  18
  19 /* PCI bus scanning and fixup support. */
  20 extern void pci_fixup_host_bridge_self(struct pci_bus *pbus);
  21 extern void pci_fill_in_pbm_cookies(struct pci_bus *pbus,
  22                                     struct pci_pbm_info *pbm,
  23                                     struct device_node *prom_node);
  24 extern void pci_record_assignments(struct pci_pbm_info *pbm,
  25                                    struct pci_bus *pbus);
  26 extern void pci_assign_unassigned(struct pci_pbm_info *pbm,
  27                                   struct pci_bus *pbus);
  28 extern void pci_fixup_irq(struct pci_pbm_info *pbm,
  29                           struct pci_bus *pbus);
  30 extern void pci_determine_66mhz_disposition(struct pci_pbm_info *pbm,
  31                                             struct pci_bus *pbus);
  32 extern void pci_setup_busmastering(struct pci_pbm_info *pbm,
  33                                    struct pci_bus *pbus);
  34 extern void pci_register_legacy_regions(struct resource *io_res,
  35                                         struct resource *mem_res);
  36
  37 /* Error reporting support. */
  38 extern void pci_scan_for_target_abort(struct pci_controller_info *, struct pci_pbm_info *, struct pci_bus *);
  39 extern void pci_scan_for_master_abort(struct pci_controller_info *, struct pci_pbm_info *, struct pci_bus *);
  40 extern void pci_scan_for_parity_error(struct pci_controller_info *, struct pci_pbm_info *, struct pci_bus *);
  41
  42 /* Configuration space access. */
  43 extern void pci_config_read8(u8 *addr, u8 *ret);
  44 extern void pci_config_read16(u16 *addr, u16 *ret);
  45 extern void pci_config_read32(u32 *addr, u32 *ret);
  46 extern void pci_config_write8(u8 *addr, u8 val);
  47 extern void pci_config_write16(u16 *addr, u16 val);
  48 extern void pci_config_write32(u32 *addr, u32 val);
  49
  50 #endif /* !(PCI_IMPL_H) */