| /* pci_impl.h: Helper definitions for PCI controller support. |
| * |
| * Copyright (C) 1999, 2007 David S. Miller (davem@davemloft.net) |
| */ |
| |
| #ifndef PCI_IMPL_H |
| #define PCI_IMPL_H |
| |
| #include <linux/types.h> |
| #include <linux/spinlock.h> |
| #include <asm/io.h> |
| #include <asm/prom.h> |
| |
| extern struct pci_controller_info *pci_controller_root; |
| extern unsigned long pci_memspace_mask; |
| |
| extern int pci_num_controllers; |
| |
| /* PCI bus scanning and fixup support. */ |
| extern struct pci_bus *pci_scan_one_pbm(struct pci_pbm_info *pbm); |
| extern void pci_determine_mem_io_space(struct pci_pbm_info *pbm); |
| |
| extern int pci_host_bridge_read_pci_cfg(struct pci_bus *bus_dev, |
| unsigned int devfn, |
| int where, int size, |
| u32 *value); |
| extern int pci_host_bridge_write_pci_cfg(struct pci_bus *bus_dev, |
| unsigned int devfn, |
| int where, int size, |
| u32 value); |
| |
| /* Error reporting support. */ |
| extern void pci_scan_for_target_abort(struct pci_controller_info *, struct pci_pbm_info *, struct pci_bus *); |
| extern void pci_scan_for_master_abort(struct pci_controller_info *, struct pci_pbm_info *, struct pci_bus *); |
| extern void pci_scan_for_parity_error(struct pci_controller_info *, struct pci_pbm_info *, struct pci_bus *); |
| |
| /* Configuration space access. */ |
| extern void pci_config_read8(u8 *addr, u8 *ret); |
| extern void pci_config_read16(u16 *addr, u16 *ret); |
| extern void pci_config_read32(u32 *addr, u32 *ret); |
| extern void pci_config_write8(u8 *addr, u8 val); |
| extern void pci_config_write16(u16 *addr, u16 val); |
| extern void pci_config_write32(u32 *addr, u32 val); |
| |
| #endif /* !(PCI_IMPL_H) */ |