tjh.dev
Linux kernel mirror (for testing)
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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/* Quirk for broken IBM BIOSes */
31#define ACPI_SMBUS_IBM_HID "SMBUSIBM"
32
33/*
34 * For fixed hardware buttons, we fabricate acpi_devices with HID
35 * ACPI_BUTTON_HID_POWERF or ACPI_BUTTON_HID_SLEEPF. Fixed hardware
36 * signals only an event; it doesn't supply a notification value.
37 * To allow drivers to treat notifications from fixed hardware the
38 * same as those from real devices, we turn the events into this
39 * notification value.
40 */
41#define ACPI_FIXED_HARDWARE_EVENT 0x100
42
43/* --------------------------------------------------------------------------
44 PCI
45 -------------------------------------------------------------------------- */
46
47
48/* ACPI PCI Interrupt Link */
49
50int acpi_irq_penalty_init(void);
51int acpi_pci_link_allocate_irq(acpi_handle handle, int index, int *triggering,
52 int *polarity, char **name);
53int acpi_pci_link_free_irq(acpi_handle handle);
54
55/* ACPI PCI Device Binding */
56
57struct pci_bus;
58
59#ifdef CONFIG_PCI
60struct pci_dev *acpi_get_pci_dev(acpi_handle);
61#else
62static inline struct pci_dev *acpi_get_pci_dev(acpi_handle handle)
63{
64 return NULL;
65}
66#endif
67
68/* Arch-defined function to add a bus to the system */
69
70struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root);
71
72#ifdef CONFIG_X86
73void pci_acpi_crs_quirks(void);
74#else
75static inline void pci_acpi_crs_quirks(void) { }
76#endif
77
78/*--------------------------------------------------------------------------
79 Dock Station
80 -------------------------------------------------------------------------- */
81
82#ifdef CONFIG_ACPI_DOCK
83extern int is_dock_device(struct acpi_device *adev);
84#else
85static inline int is_dock_device(struct acpi_device *adev)
86{
87 return 0;
88}
89#endif /* CONFIG_ACPI_DOCK */
90
91#endif /*__ACPI_DRIVERS_H__*/