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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 | ||
11 | #include <linux/acpi.h> | |
12 | ||
13 | #ifdef CONFIG_ACPI | |
14 | extern acpi_status pci_acpi_add_bus_pm_notifier(struct acpi_device *dev, | |
15 | struct pci_bus *pci_bus); | |
16 | extern acpi_status pci_acpi_remove_bus_pm_notifier(struct acpi_device *dev); | |
17 | extern acpi_status pci_acpi_add_pm_notifier(struct acpi_device *dev, | |
18 | struct pci_dev *pci_dev); | |
19 | extern acpi_status pci_acpi_remove_pm_notifier(struct acpi_device *dev); | |
20 | extern phys_addr_t acpi_pci_root_get_mcfg_addr(acpi_handle handle); | |
21 | ||
22 | static inline acpi_handle acpi_find_root_bridge_handle(struct pci_dev *pdev) | |
23 | { | |
24 | struct pci_bus *pbus = pdev->bus; | |
25 | ||
26 | /* Find a PCI root bus */ | |
27 | while (!pci_is_root_bus(pbus)) | |
28 | pbus = pbus->parent; | |
29 | ||
30 | return DEVICE_ACPI_HANDLE(pbus->bridge); | |
31 | } | |
32 | ||
33 | static inline acpi_handle acpi_pci_get_bridge_handle(struct pci_bus *pbus) | |
34 | { | |
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); | |
43 | } | |
44 | #endif | |
45 | ||
46 | #ifdef CONFIG_ACPI_APEI | |
47 | extern bool aer_acpi_firmware_first(void); | |
48 | #else | |
49 | static inline bool aer_acpi_firmware_first(void) { return false; } | |
50 | #endif | |
51 | ||
52 | #endif /* _PCI_ACPI_H_ */ |