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gerrit-public.fairphone.software / kernel / msm-4.9 / 323a72d83c9b2963bd1e46c8e6963e468d4658d7 / . / include / linux / pci-acpi.h
blob: 9a22b5efb384a5247e57319222ba05f883fed25a [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]1/*
2 * File pci-acpi.h
3 *
4 * Copyright (C) 2004 Intel
5 * Copyright (C) Tom Long Nguyen (tom.l.nguyen@intel.com)
6 */
7
8#ifndef _PCI_ACPI_H_
9#define _PCI_ACPI_H_
10
Andrew Patterson8b620912008-11-10 15:30:40 -0700[diff] [blame]11#include <linux/acpi.h>
12
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]13#ifdef CONFIG_ACPI
Rafael J. Wysockib67ea762010-02-17 23:44:09 +0100[diff] [blame]14extern acpi_status pci_acpi_add_bus_pm_notifier(struct acpi_device *dev,
15 struct pci_bus *pci_bus);
16extern acpi_status pci_acpi_remove_bus_pm_notifier(struct acpi_device *dev);
17extern acpi_status pci_acpi_add_pm_notifier(struct acpi_device *dev,
18 struct pci_dev *pci_dev);
19extern acpi_status pci_acpi_remove_pm_notifier(struct acpi_device *dev);
Jiang Liuf4b57a32012-06-22 14:55:16 +0800[diff] [blame]20extern phys_addr_t acpi_pci_root_get_mcfg_addr(acpi_handle handle);
Rafael J. Wysockib67ea762010-02-17 23:44:09 +0100[diff] [blame]21
Jiri Slaby056c58e2008-08-18 20:22:54 +0200[diff] [blame]22static inline acpi_handle acpi_find_root_bridge_handle(struct pci_dev *pdev)
23{
Kenji Kaneshiged18690a2009-02-17 14:12:36 +0900[diff] [blame]24 struct pci_bus *pbus = pdev->bus;
Yinghai Lu059e4ba2012-09-24 14:51:23 -0600[diff] [blame]25
Kenji Kaneshiged18690a2009-02-17 14:12:36 +0900[diff] [blame]26 /* Find a PCI root bus */
Kenji Kaneshigea222b8f2009-05-26 16:05:33 +0900[diff] [blame]27 while (!pci_is_root_bus(pbus))
Kenji Kaneshiged18690a2009-02-17 14:12:36 +0900[diff] [blame]28 pbus = pbus->parent;
Yinghai Lu059e4ba2012-09-24 14:51:23 -0600[diff] [blame]29
30 return DEVICE_ACPI_HANDLE(pbus->bridge);
Jiri Slaby056c58e2008-08-18 20:22:54 +0200[diff] [blame]31}
Kenji Kaneshigee8c331e2008-12-17 12:09:12 +0900[diff] [blame]32
33static inline acpi_handle acpi_pci_get_bridge_handle(struct pci_bus *pbus)
34{
Yinghai Lu059e4ba2012-09-24 14:51:23 -0600[diff] [blame]35 struct device *dev;
36
37 if (pci_is_root_bus(pbus))
38 dev = pbus->bridge;
39 else
40 dev = &pbus->self->dev;
41
42 return DEVICE_ACPI_HANDLE(dev);
Kenji Kaneshigee8c331e2008-12-17 12:09:12 +0900[diff] [blame]43}
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]44#endif
45
Rafael J. Wysocki415e12b2011-01-07 00:55:09 +0100[diff] [blame]46#ifdef CONFIG_ACPI_APEI
47extern bool aer_acpi_firmware_first(void);
48#else
49static inline bool aer_acpi_firmware_first(void) { return false; }
50#endif
51
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]52#endif /* _PCI_ACPI_H_ */