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 
69 int acpi_irq_penalty_init(void);
70 int acpi_pci_link_allocate_irq(acpi_handle handle, int index, int *triggering,
71 			       int *polarity, char **name);
72 int acpi_pci_link_free_irq(acpi_handle handle);
73 
74 /* ACPI PCI Device Binding (pci_bind.c) */
75 
76 struct pci_bus;
77 
78 #ifdef CONFIG_PCI
79 struct pci_dev *acpi_get_pci_dev(acpi_handle);
80 #else
acpi_get_pci_dev(acpi_handle handle)81 static 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 
89 struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root);
90 
91 #ifdef CONFIG_X86
92 void pci_acpi_crs_quirks(void);
93 #else
pci_acpi_crs_quirks(void)94 static 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
110 extern int is_dock_device(struct acpi_device *adev);
111 #else
is_dock_device(struct acpi_device * adev)112 static 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