LXR linux/arch/powerpc/include/asm/ppc-pci.h

   1/*
   2 * c 2001 PPC 64 Team, IBM Corp
   3 *
   4 *      This program is free software; you can redistribute it and/or
   5 *      modify it under the terms of the GNU General Public License
   6 *      as published by the Free Software Foundation; either version
   7 *      2 of the License, or (at your option) any later version.
   8 */
   9#ifndef _ASM_POWERPC_PPC_PCI_H
  10#define _ASM_POWERPC_PPC_PCI_H
  11#ifdef __KERNEL__
  12
  13#ifdef CONFIG_PCI
  14
  15#include <linux/pci.h>
  16#include <asm/pci-bridge.h>
  17
  18extern unsigned long isa_io_base;
  19
  20extern void pci_setup_phb_io(struct pci_controller *hose, int primary);
  21extern void pci_setup_phb_io_dynamic(struct pci_controller *hose, int primary);
  22
  23
  24extern struct list_head hose_list;
  25
  26extern void find_and_init_phbs(void);
  27
  28extern struct pci_dev *isa_bridge_pcidev;       /* may be NULL if no ISA bus */
  29
  30/** Bus Unit ID macros; get low and hi 32-bits of the 64-bit BUID */
  31#define BUID_HI(buid) upper_32_bits(buid)
  32#define BUID_LO(buid) lower_32_bits(buid)
  33
  34/* PCI device_node operations */
  35struct device_node;
  36typedef void *(*traverse_func)(struct device_node *me, void *data);
  37void *traverse_pci_devices(struct device_node *start, traverse_func pre,
  38                void *data);
  39
  40extern void pci_devs_phb_init(void);
  41extern void pci_devs_phb_init_dynamic(struct pci_controller *phb);
  42
  43/* From rtas_pci.h */
  44extern void init_pci_config_tokens (void);
  45extern unsigned long get_phb_buid (struct device_node *);
  46extern int rtas_setup_phb(struct pci_controller *phb);
  47
  48#ifdef CONFIG_EEH
  49
  50void eeh_addr_cache_insert_dev(struct pci_dev *dev);
  51void eeh_addr_cache_rmv_dev(struct pci_dev *dev);
  52struct eeh_dev *eeh_addr_cache_get_dev(unsigned long addr);
  53void eeh_slot_error_detail(struct eeh_pe *pe, int severity);
  54int eeh_pci_enable(struct eeh_pe *pe, int function);
  55int eeh_reset_pe(struct eeh_pe *);
  56void eeh_save_bars(struct eeh_dev *edev);
  57int rtas_write_config(struct pci_dn *, int where, int size, u32 val);
  58int rtas_read_config(struct pci_dn *, int where, int size, u32 *val);
  59void eeh_pe_state_mark(struct eeh_pe *pe, int state);
  60void eeh_pe_state_clear(struct eeh_pe *pe, int state);
  61
  62void eeh_sysfs_add_device(struct pci_dev *pdev);
  63void eeh_sysfs_remove_device(struct pci_dev *pdev);
  64
  65static inline const char *eeh_pci_name(struct pci_dev *pdev) 
  66{ 
  67        return pdev ? pci_name(pdev) : "<null>";
  68} 
  69
  70static inline const char *eeh_driver_name(struct pci_dev *pdev)
  71{
  72        return (pdev && pdev->driver) ? pdev->driver->name : "<null>";
  73}
  74
  75#endif /* CONFIG_EEH */
  76
  77#else /* CONFIG_PCI */
  78static inline void find_and_init_phbs(void) { }
  79static inline void init_pci_config_tokens(void) { }
  80#endif /* !CONFIG_PCI */
  81
  82#endif /* __KERNEL__ */
  83#endif /* _ASM_POWERPC_PPC_PCI_H */
  84