1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 *  acpi_drivers.h  ($Revision: 31 $)
4 *
5 *  Copyright (C) 2001, 2002 Andy Grover <andrew.grover@intel.com>
6 *  Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
7 */
8
9#ifndef __ACPI_DRIVERS_H__
10#define __ACPI_DRIVERS_H__
11
12#define ACPI_MAX_STRING			80
13
14/*
15 * Please update drivers/acpi/debug.c and Documentation/firmware-guide/acpi/debug.rst
16 * if you add to this list.
17 */
18#define ACPI_BUS_COMPONENT		0x00010000
19#define ACPI_AC_COMPONENT		0x00020000
20#define ACPI_BATTERY_COMPONENT		0x00040000
21#define ACPI_BUTTON_COMPONENT		0x00080000
22#define ACPI_SBS_COMPONENT		0x00100000
23#define ACPI_FAN_COMPONENT		0x00200000
24#define ACPI_PCI_COMPONENT		0x00400000
25#define ACPI_POWER_COMPONENT		0x00800000
26#define ACPI_CONTAINER_COMPONENT	0x01000000
27#define ACPI_SYSTEM_COMPONENT		0x02000000
28#define ACPI_THERMAL_COMPONENT		0x04000000
29#define ACPI_MEMORY_DEVICE_COMPONENT	0x08000000
30#define ACPI_VIDEO_COMPONENT		0x10000000
31#define ACPI_PROCESSOR_COMPONENT	0x20000000
32
33/*
34 * _HID definitions
35 * HIDs must conform to ACPI spec(6.1.4)
36 * Linux specific HIDs do not apply to this and begin with LNX:
37 */
38
39#define ACPI_POWER_HID			"LNXPOWER"
40#define ACPI_PROCESSOR_OBJECT_HID	"LNXCPU"
41#define ACPI_SYSTEM_HID			"LNXSYSTM"
42#define ACPI_THERMAL_HID		"LNXTHERM"
43#define ACPI_BUTTON_HID_POWERF		"LNXPWRBN"
44#define ACPI_BUTTON_HID_SLEEPF		"LNXSLPBN"
45#define ACPI_VIDEO_HID			"LNXVIDEO"
46#define ACPI_BAY_HID			"LNXIOBAY"
47#define ACPI_DOCK_HID			"LNXDOCK"
48#define ACPI_ECDT_HID			"LNXEC"
49/* Quirk for broken IBM BIOSes */
50#define ACPI_SMBUS_IBM_HID		"SMBUSIBM"
51
52/*
53 * For fixed hardware buttons, we fabricate acpi_devices with HID
54 * ACPI_BUTTON_HID_POWERF or ACPI_BUTTON_HID_SLEEPF.  Fixed hardware
55 * signals only an event; it doesn't supply a notification value.
56 * To allow drivers to treat notifications from fixed hardware the
57 * same as those from real devices, we turn the events into this
58 * notification value.
59 */
60#define ACPI_FIXED_HARDWARE_EVENT	0x100
61
62/* --------------------------------------------------------------------------
63                                       PCI
64   -------------------------------------------------------------------------- */
65
66
67/* ACPI PCI Interrupt Link (pci_link.c) */
68
69int acpi_irq_penalty_init(void);
70int acpi_pci_link_allocate_irq(acpi_handle handle, int index, int *triggering,
71			       int *polarity, char **name);
72int acpi_pci_link_free_irq(acpi_handle handle);
73
74/* ACPI PCI Device Binding (pci_bind.c) */
75
76struct pci_bus;
77
78#ifdef CONFIG_PCI
79struct pci_dev *acpi_get_pci_dev(acpi_handle);
80#else
81static inline struct pci_dev *acpi_get_pci_dev(acpi_handle handle)
82{
83	return NULL;
84}
85#endif
86
87/* Arch-defined function to add a bus to the system */
88
89struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root);
90
91#ifdef CONFIG_X86
92void pci_acpi_crs_quirks(void);
93#else
94static inline void pci_acpi_crs_quirks(void) { }
95#endif
96
97/* --------------------------------------------------------------------------
98                                    Processor
99   -------------------------------------------------------------------------- */
100
101#define ACPI_PROCESSOR_LIMIT_NONE	0x00
102#define ACPI_PROCESSOR_LIMIT_INCREMENT	0x01
103#define ACPI_PROCESSOR_LIMIT_DECREMENT	0x02
104
105/*--------------------------------------------------------------------------
106                                  Dock Station
107  -------------------------------------------------------------------------- */
108
109#ifdef CONFIG_ACPI_DOCK
110extern int is_dock_device(struct acpi_device *adev);
111#else
112static inline int is_dock_device(struct acpi_device *adev)
113{
114	return 0;
115}
116#endif /* CONFIG_ACPI_DOCK */
117
118#endif /*__ACPI_DRIVERS_H__*/
119