/*
   * File		pci-acpi.h
   *
   * Copyright (C) 2004 Intel
   * Copyright (C) Tom Long Nguyen (tom.l.nguyen@intel.com)
   */
  
  #ifndef _PCI_ACPI_H_
  #define _PCI_ACPI_H_

  #include <linux/acpi.h>

  #ifdef CONFIG_ACPI

  extern acpi_status pci_acpi_add_bus_pm_notifier(struct acpi_device *dev,
  						 struct pci_bus *pci_bus);
  extern acpi_status pci_acpi_remove_bus_pm_notifier(struct acpi_device *dev);
  extern acpi_status pci_acpi_add_pm_notifier(struct acpi_device *dev,
  					     struct pci_dev *pci_dev);
  extern acpi_status pci_acpi_remove_pm_notifier(struct acpi_device *dev);

  static inline acpi_handle acpi_find_root_bridge_handle(struct pci_dev *pdev)
  {

  	struct pci_bus *pbus = pdev->bus;
  	/* Find a PCI root bus */

  	while (!pci_is_root_bus(pbus))

  		pbus = pbus->parent;
  	return acpi_get_pci_rootbridge_handle(pci_domain_nr(pbus),
  					      pbus->number);

  }

  
  static inline acpi_handle acpi_pci_get_bridge_handle(struct pci_bus *pbus)
  {

  	if (!pci_is_root_bus(pbus))

  		return DEVICE_ACPI_HANDLE(&(pbus->self->dev));
  	return acpi_get_pci_rootbridge_handle(pci_domain_nr(pbus),
  					      pbus->number);

  }

  #endif

  #ifdef CONFIG_ACPI_APEI
  extern bool aer_acpi_firmware_first(void);
  #else
  static inline bool aer_acpi_firmware_first(void) { return false; }
  #endif

  #endif	/* _PCI_ACPI_H_ */