Introduce CONFIG_SUSPEND for suspend-to-Ram and standby
[linux-2.6.git] / include / acpi / acpi_drivers.h
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 #include <linux/acpi.h>
30 #include <acpi/acpi_bus.h>
31
32 #define ACPI_MAX_STRING                 80
33
34 #define ACPI_BUS_COMPONENT              0x00010000
35 #define ACPI_SYSTEM_COMPONENT           0x02000000
36
37 /*
38  * _HID definitions
39  * HIDs must conform to ACPI spec(6.1.4)
40  * Linux specific HIDs do not apply to this and begin with LNX:
41  */
42
43 #define ACPI_POWER_HID                  "LNXPOWER"
44 #define ACPI_PROCESSOR_HID              "ACPI0007"
45 #define ACPI_SYSTEM_HID                 "LNXSYSTM"
46 #define ACPI_THERMAL_HID                "LNXTHERM"
47 #define ACPI_BUTTON_HID_POWERF          "LNXPWRBN"
48 #define ACPI_BUTTON_HID_SLEEPF          "LNXSLPBN"
49 #define ACPI_VIDEO_HID                  "LNXVIDEO"
50 #define ACPI_BAY_HID                    "LNXIOBAY"
51
52 /* --------------------------------------------------------------------------
53                                        PCI
54    -------------------------------------------------------------------------- */
55
56 #define ACPI_PCI_COMPONENT              0x00400000
57
58 /* ACPI PCI Interrupt Link (pci_link.c) */
59
60 int acpi_irq_penalty_init(void);
61 int acpi_pci_link_allocate_irq(acpi_handle handle, int index, int *triggering,
62                                int *polarity, char **name);
63 int acpi_pci_link_free_irq(acpi_handle handle);
64
65 /* ACPI PCI Interrupt Routing (pci_irq.c) */
66
67 int acpi_pci_irq_add_prt(acpi_handle handle, int segment, int bus);
68 void acpi_pci_irq_del_prt(int segment, int bus);
69
70 /* ACPI PCI Device Binding (pci_bind.c) */
71
72 struct pci_bus;
73
74 acpi_status acpi_get_pci_id(acpi_handle handle, struct acpi_pci_id *id);
75 int acpi_pci_bind(struct acpi_device *device);
76 int acpi_pci_unbind(struct acpi_device *device);
77 int acpi_pci_bind_root(struct acpi_device *device, struct acpi_pci_id *id,
78                        struct pci_bus *bus);
79
80 /* Arch-defined function to add a bus to the system */
81
82 struct pci_bus *pci_acpi_scan_root(struct acpi_device *device, int domain,
83                                    int bus);
84
85 /* --------------------------------------------------------------------------
86                                   Power Resource
87    -------------------------------------------------------------------------- */
88
89 #ifdef CONFIG_ACPI_POWER
90 int acpi_enable_wakeup_device_power(struct acpi_device *dev);
91 int acpi_disable_wakeup_device_power(struct acpi_device *dev);
92 int acpi_power_get_inferred_state(struct acpi_device *device);
93 int acpi_power_transition(struct acpi_device *device, int state);
94 #endif
95
96 /* --------------------------------------------------------------------------
97                                   Embedded Controller
98    -------------------------------------------------------------------------- */
99 #ifdef CONFIG_ACPI_EC
100 int acpi_ec_ecdt_probe(void);
101 #endif
102
103 /* --------------------------------------------------------------------------
104                                     Processor
105    -------------------------------------------------------------------------- */
106
107 #define ACPI_PROCESSOR_LIMIT_NONE       0x00
108 #define ACPI_PROCESSOR_LIMIT_INCREMENT  0x01
109 #define ACPI_PROCESSOR_LIMIT_DECREMENT  0x02
110
111 int acpi_processor_set_thermal_limit(acpi_handle handle, int type);
112
113 /*--------------------------------------------------------------------------
114                                   Dock Station
115   -------------------------------------------------------------------------- */
116 #if defined(CONFIG_ACPI_DOCK) || defined(CONFIG_ACPI_DOCK_MODULE)
117 extern int is_dock_device(acpi_handle handle);
118 extern int register_dock_notifier(struct notifier_block *nb);
119 extern void unregister_dock_notifier(struct notifier_block *nb);
120 extern int register_hotplug_dock_device(acpi_handle handle,
121                                         acpi_notify_handler handler,
122                                         void *context);
123 extern void unregister_hotplug_dock_device(acpi_handle handle);
124 #else
125 static inline int is_dock_device(acpi_handle handle)
126 {
127         return 0;
128 }
129 static inline int register_dock_notifier(struct notifier_block *nb)
130 {
131         return -ENODEV;
132 }
133 static inline void unregister_dock_notifier(struct notifier_block *nb)
134 {
135 }
136 static inline int register_hotplug_dock_device(acpi_handle handle,
137                                                acpi_notify_handler handler,
138                                                void *context)
139 {
140         return -ENODEV;
141 }
142 static inline void unregister_hotplug_dock_device(acpi_handle handle)
143 {
144 }
145 #endif
146
147 /*--------------------------------------------------------------------------
148                                   Suspend/Resume
149   -------------------------------------------------------------------------- */
150 #ifdef CONFIG_PM_SLEEP
151 extern int acpi_sleep_init(void);
152 #else
153 static inline int acpi_sleep_init(void) { return 0; }
154 #endif
155
156 #endif /*__ACPI_DRIVERS_H__*/