4 * Copyright (C) 2004 Intel
5 * Copyright (C) Tom Long Nguyen (tom.l.nguyen@intel.com)
11 #include <linux/acpi.h>
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)
17 return acpi_remove_pm_notifier(dev);
19 extern acpi_status pci_acpi_add_pm_notifier(struct acpi_device *dev,
20 struct pci_dev *pci_dev);
21 static inline acpi_status pci_acpi_remove_pm_notifier(struct acpi_device *dev)
23 return acpi_remove_pm_notifier(dev);
25 extern phys_addr_t acpi_pci_root_get_mcfg_addr(acpi_handle handle);
27 static inline acpi_handle acpi_find_root_bridge_handle(struct pci_dev *pdev)
29 struct pci_bus *pbus = pdev->bus;
31 /* Find a PCI root bus */
32 while (!pci_is_root_bus(pbus))
35 return ACPI_HANDLE(pbus->bridge);
38 static inline acpi_handle acpi_pci_get_bridge_handle(struct pci_bus *pbus)
42 if (pci_is_root_bus(pbus))
45 /* If pbus is a virtual bus, there is no bridge to it */
49 dev = &pbus->self->dev;
52 return ACPI_HANDLE(dev);
56 struct acpi_pci_root_ops;
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;
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);
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,
79 void acpi_pci_add_bus(struct pci_bus *bus);
80 void acpi_pci_remove_bus(struct pci_bus *bus);
82 #ifdef CONFIG_ACPI_PCI_SLOT
83 void acpi_pci_slot_init(void);
84 void acpi_pci_slot_enumerate(struct pci_bus *bus);
85 void acpi_pci_slot_remove(struct pci_bus *bus);
87 static inline void acpi_pci_slot_init(void) { }
88 static inline void acpi_pci_slot_enumerate(struct pci_bus *bus) { }
89 static inline void acpi_pci_slot_remove(struct pci_bus *bus) { }
92 #ifdef CONFIG_HOTPLUG_PCI_ACPI
93 void acpiphp_init(void);
94 void acpiphp_enumerate_slots(struct pci_bus *bus);
95 void acpiphp_remove_slots(struct pci_bus *bus);
96 void acpiphp_check_host_bridge(struct acpi_device *adev);
98 static inline void acpiphp_init(void) { }
99 static inline void acpiphp_enumerate_slots(struct pci_bus *bus) { }
100 static inline void acpiphp_remove_slots(struct pci_bus *bus) { }
101 static inline void acpiphp_check_host_bridge(struct acpi_device *adev) { }
104 extern const u8 pci_acpi_dsm_uuid[];
105 #define DEVICE_LABEL_DSM 0x07
106 #define RESET_DELAY_DSM 0x08
107 #define FUNCTION_DELAY_DSM 0x09
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 */
114 #ifdef CONFIG_ACPI_APEI
115 extern bool aer_acpi_firmware_first(void);
117 static inline bool aer_acpi_firmware_first(void) { return false; }
120 #endif /* _PCI_ACPI_H_ */