Merge branch 'devel-stable' into devel
[sfrench/cifs-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 /*
35  * Please update drivers/acpi/debug.c and Documentation/acpi/debug.txt
36  * if you add to this list.
37  */
38 #define ACPI_BUS_COMPONENT              0x00010000
39 #define ACPI_AC_COMPONENT               0x00020000
40 #define ACPI_BATTERY_COMPONENT          0x00040000
41 #define ACPI_BUTTON_COMPONENT           0x00080000
42 #define ACPI_SBS_COMPONENT              0x00100000
43 #define ACPI_FAN_COMPONENT              0x00200000
44 #define ACPI_PCI_COMPONENT              0x00400000
45 #define ACPI_POWER_COMPONENT            0x00800000
46 #define ACPI_CONTAINER_COMPONENT        0x01000000
47 #define ACPI_SYSTEM_COMPONENT           0x02000000
48 #define ACPI_THERMAL_COMPONENT          0x04000000
49 #define ACPI_MEMORY_DEVICE_COMPONENT    0x08000000
50 #define ACPI_VIDEO_COMPONENT            0x10000000
51 #define ACPI_PROCESSOR_COMPONENT        0x20000000
52
53 /*
54  * _HID definitions
55  * HIDs must conform to ACPI spec(6.1.4)
56  * Linux specific HIDs do not apply to this and begin with LNX:
57  */
58
59 #define ACPI_POWER_HID                  "LNXPOWER"
60 #define ACPI_PROCESSOR_OBJECT_HID       "LNXCPU"
61 #define ACPI_SYSTEM_HID                 "LNXSYSTM"
62 #define ACPI_THERMAL_HID                "LNXTHERM"
63 #define ACPI_BUTTON_HID_POWERF          "LNXPWRBN"
64 #define ACPI_BUTTON_HID_SLEEPF          "LNXSLPBN"
65 #define ACPI_VIDEO_HID                  "LNXVIDEO"
66 #define ACPI_BAY_HID                    "LNXIOBAY"
67 #define ACPI_DOCK_HID                   "LNXDOCK"
68 /* Quirk for broken IBM BIOSes */
69 #define ACPI_SMBUS_IBM_HID              "SMBUSIBM"
70
71 /*
72  * For fixed hardware buttons, we fabricate acpi_devices with HID
73  * ACPI_BUTTON_HID_POWERF or ACPI_BUTTON_HID_SLEEPF.  Fixed hardware
74  * signals only an event; it doesn't supply a notification value.
75  * To allow drivers to treat notifications from fixed hardware the
76  * same as those from real devices, we turn the events into this
77  * notification value.
78  */
79 #define ACPI_FIXED_HARDWARE_EVENT       0x100
80
81 /* --------------------------------------------------------------------------
82                                        PCI
83    -------------------------------------------------------------------------- */
84
85
86 /* ACPI PCI Interrupt Link (pci_link.c) */
87
88 int acpi_irq_penalty_init(void);
89 int acpi_pci_link_allocate_irq(acpi_handle handle, int index, int *triggering,
90                                int *polarity, char **name);
91 int acpi_pci_link_free_irq(acpi_handle handle);
92
93 /* ACPI PCI Interrupt Routing (pci_irq.c) */
94
95 int acpi_pci_irq_add_prt(acpi_handle handle, struct pci_bus *bus);
96 void acpi_pci_irq_del_prt(struct pci_bus *bus);
97
98 /* ACPI PCI Device Binding (pci_bind.c) */
99
100 struct pci_bus;
101
102 struct pci_dev *acpi_get_pci_dev(acpi_handle);
103 int acpi_pci_bind_root(struct acpi_device *device);
104
105 /* Arch-defined function to add a bus to the system */
106
107 struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root);
108 void pci_acpi_crs_quirks(void);
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 int acpi_processor_set_thermal_limit(acpi_handle handle, int type);
119
120 /*--------------------------------------------------------------------------
121                                   Dock Station
122   -------------------------------------------------------------------------- */
123 struct acpi_dock_ops {
124         acpi_notify_handler handler;
125         acpi_notify_handler uevent;
126 };
127
128 #if defined(CONFIG_ACPI_DOCK) || defined(CONFIG_ACPI_DOCK_MODULE)
129 extern int is_dock_device(acpi_handle handle);
130 extern int register_dock_notifier(struct notifier_block *nb);
131 extern void unregister_dock_notifier(struct notifier_block *nb);
132 extern int register_hotplug_dock_device(acpi_handle handle,
133                                         struct acpi_dock_ops *ops,
134                                         void *context);
135 extern void unregister_hotplug_dock_device(acpi_handle handle);
136 #else
137 static inline int is_dock_device(acpi_handle handle)
138 {
139         return 0;
140 }
141 static inline int register_dock_notifier(struct notifier_block *nb)
142 {
143         return -ENODEV;
144 }
145 static inline void unregister_dock_notifier(struct notifier_block *nb)
146 {
147 }
148 static inline int register_hotplug_dock_device(acpi_handle handle,
149                                                struct acpi_dock_ops *ops,
150                                                void *context)
151 {
152         return -ENODEV;
153 }
154 static inline void unregister_hotplug_dock_device(acpi_handle handle)
155 {
156 }
157 #endif
158
159 #endif /*__ACPI_DRIVERS_H__*/