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
acpi_get_pci_dev(acpi_handle handle)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
pci_acpi_crs_quirks(void)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
is_dock_device(struct acpi_device * adev)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