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 *  You should have received a copy of the GNU General Public License along
20 *  with this program; if not, write to the Free Software Foundation, Inc.,
21 *  59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
22 *
23 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
24 */
25
26#ifndef __ACPI_DRIVERS_H__
27#define __ACPI_DRIVERS_H__
28
29#define ACPI_MAX_STRING			80
30
31/*
32 * Please update drivers/acpi/debug.c and Documentation/acpi/debug.txt
33 * if you add to this list.
34 */
35#define ACPI_BUS_COMPONENT		0x00010000
36#define ACPI_AC_COMPONENT		0x00020000
37#define ACPI_BATTERY_COMPONENT		0x00040000
38#define ACPI_BUTTON_COMPONENT		0x00080000
39#define ACPI_SBS_COMPONENT		0x00100000
40#define ACPI_FAN_COMPONENT		0x00200000
41#define ACPI_PCI_COMPONENT		0x00400000
42#define ACPI_POWER_COMPONENT		0x00800000
43#define ACPI_CONTAINER_COMPONENT	0x01000000
44#define ACPI_SYSTEM_COMPONENT		0x02000000
45#define ACPI_THERMAL_COMPONENT		0x04000000
46#define ACPI_MEMORY_DEVICE_COMPONENT	0x08000000
47#define ACPI_VIDEO_COMPONENT		0x10000000
48#define ACPI_PROCESSOR_COMPONENT	0x20000000
49
50/*
51 * _HID definitions
52 * HIDs must conform to ACPI spec(6.1.4)
53 * Linux specific HIDs do not apply to this and begin with LNX:
54 */
55
56#define ACPI_POWER_HID			"LNXPOWER"
57#define ACPI_PROCESSOR_OBJECT_HID	"LNXCPU"
58#define ACPI_SYSTEM_HID			"LNXSYSTM"
59#define ACPI_THERMAL_HID		"LNXTHERM"
60#define ACPI_BUTTON_HID_POWERF		"LNXPWRBN"
61#define ACPI_BUTTON_HID_SLEEPF		"LNXSLPBN"
62#define ACPI_VIDEO_HID			"LNXVIDEO"
63#define ACPI_BAY_HID			"LNXIOBAY"
64#define ACPI_DOCK_HID			"LNXDOCK"
65/* Quirk for broken IBM BIOSes */
66#define ACPI_SMBUS_IBM_HID		"SMBUSIBM"
67
68/*
69 * For fixed hardware buttons, we fabricate acpi_devices with HID
70 * ACPI_BUTTON_HID_POWERF or ACPI_BUTTON_HID_SLEEPF.  Fixed hardware
71 * signals only an event; it doesn't supply a notification value.
72 * To allow drivers to treat notifications from fixed hardware the
73 * same as those from real devices, we turn the events into this
74 * notification value.
75 */
76#define ACPI_FIXED_HARDWARE_EVENT	0x100
77
78/* --------------------------------------------------------------------------
79                                       PCI
80   -------------------------------------------------------------------------- */
81
82
83/* ACPI PCI Interrupt Link (pci_link.c) */
84
85int acpi_irq_penalty_init(void);
86int acpi_pci_link_allocate_irq(acpi_handle handle, int index, int *triggering,
87			       int *polarity, char **name);
88int acpi_pci_link_free_irq(acpi_handle handle);
89
90/* ACPI PCI Device Binding (pci_bind.c) */
91
92struct pci_bus;
93
94struct pci_dev *acpi_get_pci_dev(acpi_handle);
95
96/* Arch-defined function to add a bus to the system */
97
98struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root);
99
100#ifdef CONFIG_X86
101void pci_acpi_crs_quirks(void);
102#else
103static inline void pci_acpi_crs_quirks(void) { }
104#endif
105
106/* --------------------------------------------------------------------------
107                                    Processor
108   -------------------------------------------------------------------------- */
109
110#define ACPI_PROCESSOR_LIMIT_NONE	0x00
111#define ACPI_PROCESSOR_LIMIT_INCREMENT	0x01
112#define ACPI_PROCESSOR_LIMIT_DECREMENT	0x02
113
114/*--------------------------------------------------------------------------
115                                  Dock Station
116  -------------------------------------------------------------------------- */
117
118#ifdef CONFIG_ACPI_DOCK
119extern int is_dock_device(struct acpi_device *adev);
120#else
121static inline int is_dock_device(struct acpi_device *adev)
122{
123	return 0;
124}
125#endif /* CONFIG_ACPI_DOCK */
126
127#endif /*__ACPI_DRIVERS_H__*/
128