Commit | Line | Data |
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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 |
c072530f RW |
14 | extern acpi_status pci_acpi_add_bus_pm_notifier(struct acpi_device *dev); |
15 | static inline acpi_status pci_acpi_remove_bus_pm_notifier(struct acpi_device *dev) | |
16 | { | |
17 | return acpi_remove_pm_notifier(dev); | |
18 | } | |
b67ea761 RW |
19 | extern acpi_status pci_acpi_add_pm_notifier(struct acpi_device *dev, |
20 | struct pci_dev *pci_dev); | |
c072530f RW |
21 | static inline acpi_status pci_acpi_remove_pm_notifier(struct acpi_device *dev) |
22 | { | |
23 | return acpi_remove_pm_notifier(dev); | |
24 | } | |
f4b57a3b | 25 | extern phys_addr_t acpi_pci_root_get_mcfg_addr(acpi_handle handle); |
b67ea761 | 26 | |
056c58e8 JS |
27 | static inline acpi_handle acpi_find_root_bridge_handle(struct pci_dev *pdev) |
28 | { | |
d18690af | 29 | struct pci_bus *pbus = pdev->bus; |
059e4ba2 | 30 | |
d18690af | 31 | /* Find a PCI root bus */ |
a222b8f8 | 32 | while (!pci_is_root_bus(pbus)) |
d18690af | 33 | pbus = pbus->parent; |
059e4ba2 | 34 | |
3a83f992 | 35 | return ACPI_HANDLE(pbus->bridge); |
056c58e8 | 36 | } |
e8c331e9 KK |
37 | |
38 | static inline acpi_handle acpi_pci_get_bridge_handle(struct pci_bus *pbus) | |
39 | { | |
059e4ba2 YL |
40 | struct device *dev; |
41 | ||
42 | if (pci_is_root_bus(pbus)) | |
43 | dev = pbus->bridge; | |
32f638fc YL |
44 | else { |
45 | /* If pbus is a virtual bus, there is no bridge to it */ | |
46 | if (!pbus->self) | |
47 | return NULL; | |
48 | ||
059e4ba2 | 49 | dev = &pbus->self->dev; |
32f638fc | 50 | } |
059e4ba2 | 51 | |
3a83f992 | 52 | return ACPI_HANDLE(dev); |
e8c331e9 | 53 | } |
5090d4a6 | 54 | |
2c204383 JL |
55 | struct acpi_pci_root; |
56 | struct acpi_pci_root_ops; | |
57 | ||
58 | struct acpi_pci_root_info { | |
59 | struct acpi_pci_root *root; | |
60 | struct acpi_device *bridge; | |
61 | struct acpi_pci_root_ops *ops; | |
62 | struct list_head resources; | |
63 | char name[16]; | |
64 | }; | |
65 | ||
66 | struct acpi_pci_root_ops { | |
67 | struct pci_ops *pci_ops; | |
68 | int (*init_info)(struct acpi_pci_root_info *info); | |
69 | void (*release_info)(struct acpi_pci_root_info *info); | |
70 | int (*prepare_resources)(struct acpi_pci_root_info *info); | |
71 | }; | |
72 | ||
73 | extern int acpi_pci_probe_root_resources(struct acpi_pci_root_info *info); | |
74 | extern struct pci_bus *acpi_pci_root_create(struct acpi_pci_root *root, | |
75 | struct acpi_pci_root_ops *ops, | |
76 | struct acpi_pci_root_info *info, | |
77 | void *sd); | |
78 | ||
5090d4a6 JL |
79 | void acpi_pci_add_bus(struct pci_bus *bus); |
80 | void acpi_pci_remove_bus(struct pci_bus *bus); | |
5c0b04e3 JL |
81 | |
82 | #ifdef CONFIG_ACPI_PCI_SLOT | |
83 | void acpi_pci_slot_init(void); | |
be1c9de9 | 84 | void acpi_pci_slot_enumerate(struct pci_bus *bus); |
5c0b04e3 JL |
85 | void acpi_pci_slot_remove(struct pci_bus *bus); |
86 | #else | |
87 | static inline void acpi_pci_slot_init(void) { } | |
be1c9de9 | 88 | static inline void acpi_pci_slot_enumerate(struct pci_bus *bus) { } |
5c0b04e3 JL |
89 | static inline void acpi_pci_slot_remove(struct pci_bus *bus) { } |
90 | #endif | |
91 | ||
3b63aaa7 JL |
92 | #ifdef CONFIG_HOTPLUG_PCI_ACPI |
93 | void acpiphp_init(void); | |
be1c9de9 | 94 | void acpiphp_enumerate_slots(struct pci_bus *bus); |
3b63aaa7 | 95 | void acpiphp_remove_slots(struct pci_bus *bus); |
1f7c164b | 96 | void acpiphp_check_host_bridge(struct acpi_device *adev); |
3b63aaa7 JL |
97 | #else |
98 | static inline void acpiphp_init(void) { } | |
be1c9de9 | 99 | static inline void acpiphp_enumerate_slots(struct pci_bus *bus) { } |
3b63aaa7 | 100 | static inline void acpiphp_remove_slots(struct pci_bus *bus) { } |
1f7c164b | 101 | static inline void acpiphp_check_host_bridge(struct acpi_device *adev) { } |
3b63aaa7 JL |
102 | #endif |
103 | ||
18e94a33 AL |
104 | extern const u8 pci_acpi_dsm_uuid[]; |
105 | #define DEVICE_LABEL_DSM 0x07 | |
e33caa82 AL |
106 | #define RESET_DELAY_DSM 0x08 |
107 | #define FUNCTION_DELAY_DSM 0x09 | |
18e94a33 | 108 | |
5090d4a6 JL |
109 | #else /* CONFIG_ACPI */ |
110 | static inline void acpi_pci_add_bus(struct pci_bus *bus) { } | |
111 | static inline void acpi_pci_remove_bus(struct pci_bus *bus) { } | |
112 | #endif /* CONFIG_ACPI */ | |
1da177e4 | 113 | |
415e12b2 RW |
114 | #ifdef CONFIG_ACPI_APEI |
115 | extern bool aer_acpi_firmware_first(void); | |
116 | #else | |
117 | static inline bool aer_acpi_firmware_first(void) { return false; } | |
118 | #endif | |
119 | ||
1da177e4 | 120 | #endif /* _PCI_ACPI_H_ */ |