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
52 int acpi_irq_penalty_init(void);
53 int acpi_pci_link_allocate_irq(acpi_handle handle, int index, int *triggering,
54 int *polarity, char **name);
55 int acpi_pci_link_free_irq(acpi_handle handle);
56
57 /* ACPI PCI Device Binding */
58
59 struct pci_bus;
60
61 #ifdef CONFIG_PCI
62 struct pci_dev *acpi_get_pci_dev(acpi_handle);
63 #else
64 static 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
72 struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root);
73
74 #ifdef CONFIG_X86
75 void pci_acpi_crs_quirks(void);
76 #else
77 static inline void pci_acpi_crs_quirks(void) { }
78 #endif
79
80 /*--------------------------------------------------------------------------
81 Dock Station
82 -------------------------------------------------------------------------- */
83
84 #ifdef CONFIG_ACPI_DOCK
85 extern int is_dock_device(struct acpi_device *adev);
86 #else
87 static 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
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