1/*
2 * acpi_drivers.h ($Revision: 31 $)
3 *
4 * Copyright (C) 2001, 2002 Andy Grover <andrew.grover@intel.com>
5 * Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
6 *
7 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or (at
12 * your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * General Public License for more details.
18 *
19 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
20 */
21
22#ifndef __ACPI_DRIVERS_H__
23#define __ACPI_DRIVERS_H__
24
25#define ACPI_MAX_STRING 80
26
27/*
28 * Please update drivers/acpi/debug.c and Documentation/acpi/debug.txt
29 * if you add to this list.
30 */
31#define ACPI_BUS_COMPONENT 0x00010000
32#define ACPI_AC_COMPONENT 0x00020000
33#define ACPI_BATTERY_COMPONENT 0x00040000
34#define ACPI_BUTTON_COMPONENT 0x00080000
35#define ACPI_SBS_COMPONENT 0x00100000
36#define ACPI_FAN_COMPONENT 0x00200000
37#define ACPI_PCI_COMPONENT 0x00400000
38#define ACPI_POWER_COMPONENT 0x00800000
39#define ACPI_CONTAINER_COMPONENT 0x01000000
40#define ACPI_SYSTEM_COMPONENT 0x02000000
41#define ACPI_THERMAL_COMPONENT 0x04000000
42#define ACPI_MEMORY_DEVICE_COMPONENT 0x08000000
43#define ACPI_VIDEO_COMPONENT 0x10000000
44#define ACPI_PROCESSOR_COMPONENT 0x20000000
45
46/*
47 * _HID definitions
48 * HIDs must conform to ACPI spec(6.1.4)
49 * Linux specific HIDs do not apply to this and begin with LNX:
50 */
51
52#define ACPI_POWER_HID "LNXPOWER"
53#define ACPI_PROCESSOR_OBJECT_HID "LNXCPU"
54#define ACPI_SYSTEM_HID "LNXSYSTM"
55#define ACPI_THERMAL_HID "LNXTHERM"
56#define ACPI_BUTTON_HID_POWERF "LNXPWRBN"
57#define ACPI_BUTTON_HID_SLEEPF "LNXSLPBN"
58#define ACPI_VIDEO_HID "LNXVIDEO"
59#define ACPI_BAY_HID "LNXIOBAY"
60#define ACPI_DOCK_HID "LNXDOCK"
61#define ACPI_ECDT_HID "LNXEC"
62/* Quirk for broken IBM BIOSes */
63#define ACPI_SMBUS_IBM_HID "SMBUSIBM"
64
65/*
66 * For fixed hardware buttons, we fabricate acpi_devices with HID
67 * ACPI_BUTTON_HID_POWERF or ACPI_BUTTON_HID_SLEEPF. Fixed hardware
68 * signals only an event; it doesn't supply a notification value.
69 * To allow drivers to treat notifications from fixed hardware the
70 * same as those from real devices, we turn the events into this
71 * notification value.
72 */
73#define ACPI_FIXED_HARDWARE_EVENT 0x100
74
75/* --------------------------------------------------------------------------
76 PCI
77 -------------------------------------------------------------------------- */
78
79
80/* ACPI PCI Interrupt Link (pci_link.c) */
81
82int acpi_irq_penalty_init(void);
83int acpi_pci_link_allocate_irq(acpi_handle handle, int index, int *triggering,
84 int *polarity, char **name);
85int acpi_pci_link_free_irq(acpi_handle handle);
86
87/* ACPI PCI Device Binding (pci_bind.c) */
88
89struct pci_bus;
90
91#ifdef CONFIG_PCI
92struct pci_dev *acpi_get_pci_dev(acpi_handle);
93#else
94static inline struct pci_dev *acpi_get_pci_dev(acpi_handle handle)
95{
96 return NULL;
97}
98#endif
99
100/* Arch-defined function to add a bus to the system */
101
102struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root);
103
104#ifdef CONFIG_X86
105void pci_acpi_crs_quirks(void);
106#else
107static inline void pci_acpi_crs_quirks(void) { }
108#endif
109
110/* --------------------------------------------------------------------------
111 Processor
112 -------------------------------------------------------------------------- */
113
114#define ACPI_PROCESSOR_LIMIT_NONE 0x00
115#define ACPI_PROCESSOR_LIMIT_INCREMENT 0x01
116#define ACPI_PROCESSOR_LIMIT_DECREMENT 0x02
117
118/*--------------------------------------------------------------------------
119 Dock Station
120 -------------------------------------------------------------------------- */
121
122#ifdef CONFIG_ACPI_DOCK
123extern int is_dock_device(struct acpi_device *adev);
124#else
125static inline int is_dock_device(struct acpi_device *adev)
126{
127 return 0;
128}
129#endif /* CONFIG_ACPI_DOCK */
130
131#endif /*__ACPI_DRIVERS_H__*/
132