projects / mirror_ubuntu-zesty-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
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 | ||
| 8b62091e AP |
11 | #include <linux/acpi.h> |
| 12 | ||
| 1da177e4 | 13 | #ifdef CONFIG_ACPI |
| b67ea761 RW |
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); | |
| f4b57a3b | 20 | extern phys_addr_t acpi_pci_root_get_mcfg_addr(acpi_handle handle); |
| b67ea761 | 21 | |
| 056c58e8 JS |
22 | static inline acpi_handle acpi_find_root_bridge_handle(struct pci_dev *pdev) |
| 23 | { | |
| d18690af | 24 | struct pci_bus *pbus = pdev->bus; |
| 059e4ba2 | 25 | |
| d18690af | 26 | /* Find a PCI root bus */ |
| a222b8f8 | 27 | while (!pci_is_root_bus(pbus)) |
| d18690af | 28 | pbus = pbus->parent; |
| 059e4ba2 YL |
29 | |
| 30 | return DEVICE_ACPI_HANDLE(pbus->bridge); | |
| 056c58e8 | 31 | } |
| e8c331e9 KK |
32 | |
| 33 | static inline acpi_handle acpi_pci_get_bridge_handle(struct pci_bus *pbus) | |
| 34 | { | |
| 059e4ba2 YL |
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); | |
| e8c331e9 | 43 | } |
| 5090d4a6 JL |
44 | |
| 45 | void acpi_pci_add_bus(struct pci_bus *bus); | |
| 46 | void acpi_pci_remove_bus(struct pci_bus *bus); | |
| 5c0b04e3 JL |
47 | |
| 48 | #ifdef CONFIG_ACPI_PCI_SLOT | |
| 49 | void acpi_pci_slot_init(void); | |
| be1c9de9 | 50 | void acpi_pci_slot_enumerate(struct pci_bus *bus); |
| 5c0b04e3 JL |
51 | void acpi_pci_slot_remove(struct pci_bus *bus); |
| 52 | #else | |
| 53 | static inline void acpi_pci_slot_init(void) { } | |
| be1c9de9 | 54 | static inline void acpi_pci_slot_enumerate(struct pci_bus *bus) { } |
| 5c0b04e3 JL |
55 | static inline void acpi_pci_slot_remove(struct pci_bus *bus) { } |
| 56 | #endif | |
| 57 | ||
| 3b63aaa7 JL |
58 | #ifdef CONFIG_HOTPLUG_PCI_ACPI |
| 59 | void acpiphp_init(void); | |
| be1c9de9 | 60 | void acpiphp_enumerate_slots(struct pci_bus *bus); |
| 3b63aaa7 | 61 | void acpiphp_remove_slots(struct pci_bus *bus); |
| 3f327e39 | 62 | void acpiphp_check_host_bridge(acpi_handle handle); |
| 3b63aaa7 JL |
63 | #else |
| 64 | static inline void acpiphp_init(void) { } | |
| be1c9de9 | 65 | static inline void acpiphp_enumerate_slots(struct pci_bus *bus) { } |
| 3b63aaa7 | 66 | static inline void acpiphp_remove_slots(struct pci_bus *bus) { } |
| 3f327e39 | 67 | static inline void acpiphp_check_host_bridge(acpi_handle handle) { } |
| 3b63aaa7 JL |
68 | #endif |
| 69 | ||
| 5090d4a6 JL |
70 | #else /* CONFIG_ACPI */ |
| 71 | static inline void acpi_pci_add_bus(struct pci_bus *bus) { } | |
| 72 | static inline void acpi_pci_remove_bus(struct pci_bus *bus) { } | |
| 73 | #endif /* CONFIG_ACPI */ | |
| 1da177e4 | 74 | |
| 415e12b2 RW |
75 | #ifdef CONFIG_ACPI_APEI |
| 76 | extern bool aer_acpi_firmware_first(void); | |
| 77 | #else | |
| 78 | static inline bool aer_acpi_firmware_first(void) { return false; } | |
| 79 | #endif | |
| 80 | ||
| 1da177e4 | 81 | #endif /* _PCI_ACPI_H_ */ |