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
14extern acpi_status pci_acpi_add_bus_pm_notifier(struct acpi_device *dev);
15static inline acpi_status pci_acpi_remove_bus_pm_notifier(struct acpi_device *dev)
16{
17	return acpi_remove_pm_notifier(dev);
18}
19extern acpi_status pci_acpi_add_pm_notifier(struct acpi_device *dev,
20					     struct pci_dev *pci_dev);
21static inline acpi_status pci_acpi_remove_pm_notifier(struct acpi_device *dev)
22{
23	return acpi_remove_pm_notifier(dev);
24}
25extern phys_addr_t acpi_pci_root_get_mcfg_addr(acpi_handle handle);
26
27static inline acpi_handle acpi_find_root_bridge_handle(struct pci_dev *pdev)
28{
29	struct pci_bus *pbus = pdev->bus;
30
31	/* Find a PCI root bus */
32	while (!pci_is_root_bus(pbus))
33		pbus = pbus->parent;
34
35	return ACPI_HANDLE(pbus->bridge);
36}
37
38static inline acpi_handle acpi_pci_get_bridge_handle(struct pci_bus *pbus)
39{
40	struct device *dev;
41
42	if (pci_is_root_bus(pbus))
43		dev = pbus->bridge;
44	else {
45		/* If pbus is a virtual bus, there is no bridge to it */
46		if (!pbus->self)
47			return NULL;
48
49		dev = &pbus->self->dev;
50	}
51
52	return ACPI_HANDLE(dev);
53}
54
55void acpi_pci_add_bus(struct pci_bus *bus);
56void acpi_pci_remove_bus(struct pci_bus *bus);
57
58#ifdef	CONFIG_ACPI_PCI_SLOT
59void acpi_pci_slot_init(void);
60void acpi_pci_slot_enumerate(struct pci_bus *bus);
61void acpi_pci_slot_remove(struct pci_bus *bus);
62#else
63static inline void acpi_pci_slot_init(void) { }
64static inline void acpi_pci_slot_enumerate(struct pci_bus *bus) { }
65static inline void acpi_pci_slot_remove(struct pci_bus *bus) { }
66#endif
67
68#ifdef	CONFIG_HOTPLUG_PCI_ACPI
69void acpiphp_init(void);
70void acpiphp_enumerate_slots(struct pci_bus *bus);
71void acpiphp_remove_slots(struct pci_bus *bus);
72void acpiphp_check_host_bridge(struct acpi_device *adev);
73#else
74static inline void acpiphp_init(void) { }
75static inline void acpiphp_enumerate_slots(struct pci_bus *bus) { }
76static inline void acpiphp_remove_slots(struct pci_bus *bus) { }
77static inline void acpiphp_check_host_bridge(struct acpi_device *adev) { }
78#endif
79
80#else	/* CONFIG_ACPI */
81static inline void acpi_pci_add_bus(struct pci_bus *bus) { }
82static inline void acpi_pci_remove_bus(struct pci_bus *bus) { }
83#endif	/* CONFIG_ACPI */
84
85#ifdef CONFIG_ACPI_APEI
86extern bool aer_acpi_firmware_first(void);
87#else
88static inline bool aer_acpi_firmware_first(void) { return false; }
89#endif
90
91#endif	/* _PCI_ACPI_H_ */
92