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 * _HID definitions
16 * HIDs must conform to ACPI spec(6.1.4)
17 * Linux specific HIDs do not apply to this and begin with LNX:
18 */
19
20#define ACPI_POWER_HID "LNXPOWER"
21#define ACPI_PROCESSOR_OBJECT_HID "LNXCPU"
22#define ACPI_SYSTEM_HID "LNXSYSTM"
23#define ACPI_THERMAL_HID "LNXTHERM"
24#define ACPI_BUTTON_HID_POWERF "LNXPWRBN"
25#define ACPI_BUTTON_HID_SLEEPF "LNXSLPBN"
26#define ACPI_VIDEO_HID "LNXVIDEO"
27#define ACPI_BAY_HID "LNXIOBAY"
28#define ACPI_DOCK_HID "LNXDOCK"
29#define ACPI_ECDT_HID "LNXEC"
30/* SMBUS HID definition as supported by Microsoft Windows */
31#define ACPI_SMBUS_MS_HID "SMB0001"
32/* Quirk for broken IBM BIOSes */
33#define ACPI_SMBUS_IBM_HID "SMBUSIBM"
34
35/*
36 * For fixed hardware buttons, we fabricate acpi_devices with HID
37 * ACPI_BUTTON_HID_POWERF or ACPI_BUTTON_HID_SLEEPF. Fixed hardware
38 * signals only an event; it doesn't supply a notification value.
39 * To allow drivers to treat notifications from fixed hardware the
40 * same as those from real devices, we turn the events into this
41 * notification value.
42 */
43#define ACPI_FIXED_HARDWARE_EVENT 0x100
44
45/* --------------------------------------------------------------------------
46 PCI
47 -------------------------------------------------------------------------- */
48
49
50/* ACPI PCI Interrupt Link */
51
52int acpi_irq_penalty_init(void);
53int acpi_pci_link_allocate_irq(acpi_handle handle, int index, int *triggering,
54 int *polarity, char **name, u32 *gsi);
55int acpi_pci_link_free_irq(acpi_handle handle);
56
57/* ACPI PCI Device Binding */
58
59struct pci_bus;
60
61#ifdef CONFIG_PCI
62struct pci_dev *acpi_get_pci_dev(acpi_handle);
63#else
64static inline struct pci_dev *acpi_get_pci_dev(acpi_handle handle)
65{
66 return NULL;
67}
68#endif
69
70/* Arch-defined function to add a bus to the system */
71
72struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root);
73
74#ifdef CONFIG_X86
75void pci_acpi_crs_quirks(void);
76#else
77static inline void pci_acpi_crs_quirks(void) { }
78#endif
79
80/*--------------------------------------------------------------------------
81 Dock Station
82 -------------------------------------------------------------------------- */
83
84#ifdef CONFIG_ACPI_DOCK
85extern int is_dock_device(struct acpi_device *adev);
86#else
87static inline int is_dock_device(struct acpi_device *adev)
88{
89 return 0;
90}
91#endif /* CONFIG_ACPI_DOCK */
92
93#endif /*__ACPI_DRIVERS_H__*/
94

source code of linux/include/acpi/acpi_drivers.h