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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#
2# ACPI Configuration
3#
4
5menu "ACPI (Advanced Configuration and Power Interface) Support"
6 depends on !X86_VISWS
7 depends on !IA64_HP_SIM
8 depends on IA64 || X86
9
10config ACPI
11 bool "ACPI Support"
12 depends on IA64 || X86
Adrian Bunk13001242006-03-28 17:04:00 -050013 depends on PCI
Len Brown6153df7b2005-08-25 12:27:09 -040014 select PM
Linus Torvalds1da177e2005-04-16 15:20:36 -070015 default y
16 ---help---
17 Advanced Configuration and Power Interface (ACPI) support for
18 Linux requires an ACPI compliant platform (hardware/firmware),
19 and assumes the presence of OS-directed configuration and power
20 management (OSPM) software. This option will enlarge your
21 kernel by about 70K.
22
23 Linux ACPI provides a robust functional replacement for several
24 legacy configuration and power management interfaces, including
25 the Plug-and-Play BIOS specification (PnP BIOS), the
26 MultiProcessor Specification (MPS), and the Advanced Power
27 Management (APM) specification. If both ACPI and APM support
28 are configured, whichever is loaded first shall be used.
29
30 The ACPI SourceForge project contains the latest source code,
31 documentation, tools, mailing list subscription, and other
32 information. This project is available at:
33 <http://sourceforge.net/projects/acpi>
34
35 Linux support for ACPI is based on Intel Corporation's ACPI
36 Component Architecture (ACPI CA). For more information see:
37 <http://developer.intel.com/technology/iapc/acpi>
38
39 ACPI is an open industry specification co-developed by Compaq,
40 Intel, Microsoft, Phoenix, and Toshiba. The specification is
41 available at:
42 <http://www.acpi.info>
43
Len Brown3e11c3c2005-05-27 04:53:27 -040044if ACPI
45
Linus Torvalds1da177e2005-04-16 15:20:36 -070046config ACPI_SLEEP
Len Brownbfea6c22005-08-25 12:15:11 -040047 bool "Sleep States"
Li Shaohua5a72e042005-06-25 14:55:06 -070048 depends on X86 && (!SMP || SUSPEND_SMP)
Len Brownbfea6c22005-08-25 12:15:11 -040049 depends on PM
Linus Torvalds1da177e2005-04-16 15:20:36 -070050 default y
51 ---help---
52 This option adds support for ACPI suspend states.
53
54 With this option, you will be able to put the system "to sleep".
55 Sleep states are low power states for the system and devices. All
56 of the system operating state is saved to either memory or disk
57 (depending on the state), to allow the system to resume operation
58 quickly at your request.
59
60 Although this option sounds really nifty, barely any of the device
61 drivers have been converted to the new driver model and hence few
62 have proper power management support.
63
64 This option is not recommended for anyone except those doing driver
65 power management development.
66
67config ACPI_SLEEP_PROC_FS
68 bool
69 depends on ACPI_SLEEP && PROC_FS
70 default y
71
Len Brownebb6e1a62005-04-14 23:12:56 -040072config ACPI_SLEEP_PROC_SLEEP
73 bool "/proc/acpi/sleep (deprecated)"
74 depends on ACPI_SLEEP_PROC_FS
75 default n
76 ---help---
77 Create /proc/acpi/sleep
78 Deprecated by /sys/power/state
79
Zhang Ruib981c592007-01-29 11:02:30 +080080config ACPI_PROCFS
81 bool "Procfs interface (deprecated)"
82 depends on ACPI
83 default y
84 ---help---
85 Procfs interface for ACPI is made optional for back-compatible.
86 As the same functions are duplicated in sysfs interface
87 and this proc interface will be removed some time later,
88 it's marked as deprecated.
89
Linus Torvalds1da177e2005-04-16 15:20:36 -070090config ACPI_AC
91 tristate "AC Adapter"
92 depends on X86
Len Brown07fefe42005-08-25 12:22:04 -040093 default y
Linus Torvalds1da177e2005-04-16 15:20:36 -070094 help
95 This driver adds support for the AC Adapter object, which indicates
Len Brown07fefe42005-08-25 12:22:04 -040096 whether a system is on AC, or not. If you have a system that can
97 switch between A/C and battery, say Y.
Linus Torvalds1da177e2005-04-16 15:20:36 -070098
99config ACPI_BATTERY
100 tristate "Battery"
101 depends on X86
Len Brown07fefe42005-08-25 12:22:04 -0400102 default y
Linus Torvalds1da177e2005-04-16 15:20:36 -0700103 help
104 This driver adds support for battery information through
105 /proc/acpi/battery. If you have a mobile system with a battery,
106 say Y.
107
108config ACPI_BUTTON
109 tristate "Button"
Len Brown07fefe42005-08-25 12:22:04 -0400110 default y
Linus Torvalds1da177e2005-04-16 15:20:36 -0700111 help
Len Brown07fefe42005-08-25 12:22:04 -0400112 This driver handles events on the power, sleep and lid buttons.
113 A daemon reads /proc/acpi/event and perform user-defined actions
114 such as shutting down the system. This is necessary for
115 software controlled poweroff.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700116
117config ACPI_VIDEO
118 tristate "Video"
Len Browneb7b6b32005-08-25 12:08:25 -0400119 depends on X86
Linus Torvalds1da177e2005-04-16 15:20:36 -0700120 help
121 This driver implement the ACPI Extensions For Display Adapters
122 for integrated graphics devices on motherboard, as specified in
123 ACPI 2.0 Specification, Appendix B, allowing to perform some basic
124 control like defining the video POST device, retrieving EDID information
125 or to setup a video output, etc.
126 Note that this is an ref. implementation only. It may or may not work
127 for your integrated video device.
128
Luming Yufb9802f2005-03-18 18:03:45 -0500129config ACPI_HOTKEY
Len Brownbfea6c22005-08-25 12:15:11 -0400130 tristate "Generic Hotkey (EXPERIMENTAL)"
Luming Yufb9802f2005-03-18 18:03:45 -0500131 depends on EXPERIMENTAL
Len Browneb7b6b32005-08-25 12:08:25 -0400132 depends on X86
Luming Yu79cda7d2005-08-03 18:07:59 -0400133 default n
Luming Yufb9802f2005-03-18 18:03:45 -0500134 help
Luming Yu79cda7d2005-08-03 18:07:59 -0400135 Experimental consolidated hotkey driver.
136 If you are unsure, say N.
Luming Yufb9802f2005-03-18 18:03:45 -0500137
Linus Torvalds1da177e2005-04-16 15:20:36 -0700138config ACPI_FAN
139 tristate "Fan"
Len Brown07fefe42005-08-25 12:22:04 -0400140 default y
Linus Torvalds1da177e2005-04-16 15:20:36 -0700141 help
142 This driver adds support for ACPI fan devices, allowing user-mode
143 applications to perform basic fan control (on, off, status).
144
Len Brownc8f7a622006-07-09 17:22:28 -0400145config ACPI_DOCK
146 tristate "Dock"
Len Brown8d7bff62006-07-09 22:09:57 -0400147 depends on EXPERIMENTAL
Len Brownc8f7a622006-07-09 17:22:28 -0400148 help
149 This driver adds support for ACPI controlled docking stations
150
Linus Torvalds1da177e2005-04-16 15:20:36 -0700151config ACPI_PROCESSOR
152 tristate "Processor"
Len Brown07fefe42005-08-25 12:22:04 -0400153 default y
Linus Torvalds1da177e2005-04-16 15:20:36 -0700154 help
155 This driver installs ACPI as the idle handler for Linux, and uses
156 ACPI C2 and C3 processor states to save power, on systems that
Len Brown07fefe42005-08-25 12:22:04 -0400157 support it. It is required by several flavors of cpufreq
158 Performance-state drivers.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700159
160config ACPI_HOTPLUG_CPU
Adrian Bunkcbfc1ba2005-07-30 04:18:00 -0400161 bool
162 depends on ACPI_PROCESSOR && HOTPLUG_CPU
Linus Torvalds1da177e2005-04-16 15:20:36 -0700163 select ACPI_CONTAINER
Adrian Bunkcbfc1ba2005-07-30 04:18:00 -0400164 default y
Linus Torvalds1da177e2005-04-16 15:20:36 -0700165
166config ACPI_THERMAL
167 tristate "Thermal Zone"
168 depends on ACPI_PROCESSOR
Len Brown07fefe42005-08-25 12:22:04 -0400169 default y
Linus Torvalds1da177e2005-04-16 15:20:36 -0700170 help
171 This driver adds support for ACPI thermal zones. Most mobile and
172 some desktop systems support ACPI thermal zones. It is HIGHLY
173 recommended that this option be enabled, as your processor(s)
174 may be damaged without it.
175
176config ACPI_NUMA
177 bool "NUMA support"
178 depends on NUMA
Yasunori Goto762834e2006-06-23 02:03:19 -0700179 depends on (X86 || IA64)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700180 default y if IA64_GENERIC || IA64_SGI_SN2
181
182config ACPI_ASUS
183 tristate "ASUS/Medion Laptop Extras"
184 depends on X86
Linus Torvalds1da177e2005-04-16 15:20:36 -0700185 ---help---
186 This driver provides support for extra features of ACPI-compatible
187 ASUS laptops. As some of Medion laptops are made by ASUS, it may also
188 support some Medion laptops (such as 9675 for example). It makes all
189 the extra buttons generate standard ACPI events that go through
190 /proc/acpi/events, and (on some models) adds support for changing the
191 display brightness and output, switching the LCD backlight on and off,
192 and most importantly, allows you to blink those fancy LEDs intended
193 for reporting mail and wireless status.
194
195 Note: display switching code is currently considered EXPERIMENTAL,
196 toying with these values may even lock your machine.
197
198 All settings are changed via /proc/acpi/asus directory entries. Owner
199 and group for these entries can be set with asus_uid and asus_gid
200 parameters.
201
202 More information and a userspace daemon for handling the extra buttons
203 at <http://sourceforge.net/projects/acpi4asus/>.
204
205 If you have an ACPI-compatible ASUS laptop, say Y or M here. This
206 driver is still under development, so if your laptop is unsupported or
207 something works not quite as expected, please use the mailing list
208 available on the above page (acpi4asus-user@lists.sourceforge.net)
209
210config ACPI_IBM
211 tristate "IBM ThinkPad Laptop Extras"
212 depends on X86
Linus Torvalds1da177e2005-04-16 15:20:36 -0700213 ---help---
214 This is a Linux ACPI driver for the IBM ThinkPad laptops. It adds
215 support for Fn-Fx key combinations, Bluetooth control, video
216 output switching, ThinkLight control, UltraBay eject and more.
217 For more information about this driver see <file:Documentation/ibm-acpi.txt>
218 and <http://ibm-acpi.sf.net/> .
219
220 If you have an IBM ThinkPad laptop, say Y or M here.
221
Kristen Accardi63e5f242006-02-23 17:56:06 -0800222config ACPI_IBM_DOCK
223 bool "Legacy Docking Station Support"
224 depends on ACPI_IBM
Len Brown8d7bff62006-07-09 22:09:57 -0400225 depends on ACPI_DOCK=n
Kristen Accardi63e5f242006-02-23 17:56:06 -0800226 default n
227 ---help---
228 Allows the ibm_acpi driver to handle docking station events.
229 This support is obsoleted by CONFIG_HOTPLUG_PCI_ACPI. It will
230 allow locking and removing the laptop from the docking station,
231 but will not properly connect PCI devices.
232
233 If you are not sure, say N here.
234
Linus Torvalds1da177e2005-04-16 15:20:36 -0700235config ACPI_TOSHIBA
236 tristate "Toshiba Laptop Extras"
237 depends on X86
Linus Torvalds1da177e2005-04-16 15:20:36 -0700238 ---help---
239 This driver adds support for access to certain system settings
240 on "legacy free" Toshiba laptops. These laptops can be recognized by
241 their lack of a BIOS setup menu and APM support.
242
243 On these machines, all system configuration is handled through the
244 ACPI. This driver is required for access to controls not covered
245 by the general ACPI drivers, such as LCD brightness, video output,
246 etc.
247
248 This driver differs from the non-ACPI Toshiba laptop driver (located
249 under "Processor type and features") in several aspects.
250 Configuration is accessed by reading and writing text files in the
251 /proc tree instead of by program interface to /dev. Furthermore, no
252 power management functions are exposed, as those are handled by the
253 general ACPI drivers.
254
255 More information about this driver is available at
256 <http://memebeam.org/toys/ToshibaAcpiDriver>.
257
258 If you have a legacy free Toshiba laptop (such as the Libretto L1
259 series), say Y.
260
261config ACPI_CUSTOM_DSDT
262 bool "Include Custom DSDT"
263 depends on !STANDALONE
264 default n
265 help
Matt LaPlantec73a6682006-10-03 22:24:43 +0200266 This option is to load a custom ACPI DSDT
Linus Torvalds1da177e2005-04-16 15:20:36 -0700267 If you don't know what that is, say N.
268
269config ACPI_CUSTOM_DSDT_FILE
270 string "Custom DSDT Table file to include"
271 depends on ACPI_CUSTOM_DSDT
272 default ""
273 help
Uwe Zeisbergerc30fe7f2006-03-24 18:23:14 +0100274 Enter the full path name to the file which includes the AmlCode
275 declaration.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700276
277config ACPI_BLACKLIST_YEAR
Andi Kleen2eb1bdb2006-02-26 04:18:43 +0100278 int "Disable ACPI for systems before Jan 1st this year" if X86_32
Linus Torvalds1da177e2005-04-16 15:20:36 -0700279 default 0
280 help
281 enter a 4-digit year, eg. 2001 to disable ACPI by default
282 on platforms with DMI BIOS date before January 1st that year.
283 "acpi=force" can be used to override this mechanism.
284
285 Enter 0 to disable this mechanism and allow ACPI to
286 run by default no matter what the year. (default)
287
288config ACPI_DEBUG
289 bool "Debug Statements"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700290 default n
291 help
292 The ACPI driver can optionally report errors with a great deal
293 of verbosity. Saying Y enables these statements. This will increase
294 your kernel size by around 50K.
295
Linus Torvalds1da177e2005-04-16 15:20:36 -0700296config ACPI_EC
297 bool
Linus Torvalds1da177e2005-04-16 15:20:36 -0700298 default y
299 help
300 This driver is required on some systems for the proper operation of
301 the battery and thermal drivers. If you are compiling for a
302 mobile system, say Y.
303
304config ACPI_POWER
305 bool
Linus Torvalds1da177e2005-04-16 15:20:36 -0700306 default y
307
Linus Torvalds1da177e2005-04-16 15:20:36 -0700308config ACPI_SYSTEM
309 bool
Linus Torvalds1da177e2005-04-16 15:20:36 -0700310 default y
311 help
312 This driver will enable your system to shut down using ACPI, and
313 dump your ACPI DSDT table using /proc/acpi/dsdt.
314
Linus Torvalds1da177e2005-04-16 15:20:36 -0700315config X86_PM_TIMER
Andi Kleene78256b2006-02-26 04:18:37 +0100316 bool "Power Management Timer Support" if EMBEDDED
Linus Torvalds1da177e2005-04-16 15:20:36 -0700317 depends on X86
Len Brown07fefe42005-08-25 12:22:04 -0400318 default y
Linus Torvalds1da177e2005-04-16 15:20:36 -0700319 help
320 The Power Management Timer is available on all ACPI-capable,
321 in most cases even if ACPI is unusable or blacklisted.
322
Matt LaPlantec73a6682006-10-03 22:24:43 +0200323 This timing source is not affected by power management features
Linus Torvalds1da177e2005-04-16 15:20:36 -0700324 like aggressive processor idling, throttling, frequency and/or
325 voltage scaling, unlike the commonly used Time Stamp Counter
326 (TSC) timing source.
327
Andi Kleene78256b2006-02-26 04:18:37 +0100328 You should nearly always say Y here because many modern
329 systems require this timer.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700330
331config ACPI_CONTAINER
332 tristate "ACPI0004,PNP0A05 and PNP0A06 Container Driver (EXPERIMENTAL)"
333 depends on EXPERIMENTAL
334 default (ACPI_HOTPLUG_MEMORY || ACPI_HOTPLUG_CPU || ACPI_HOTPLUG_IO)
335 ---help---
Keiichiro Tokunaga45b1b192005-03-02 00:00:00 -0500336 This allows _physical_ insertion and removal of CPUs and memory.
337 This can be useful, for example, on NUMA machines that support
338 ACPI based physical hotplug of nodes, or non-NUMA machines that
339 support physical cpu/memory hot-plug.
340
341 If one selects "m", this driver can be loaded with
342 "modprobe acpi_container".
Linus Torvalds1da177e2005-04-16 15:20:36 -0700343
344config ACPI_HOTPLUG_MEMORY
345 tristate "Memory Hotplug"
346 depends on ACPI
Yasunori Gotobc02af92006-06-27 02:53:30 -0700347 depends on MEMORY_HOTPLUG
Linus Torvalds1da177e2005-04-16 15:20:36 -0700348 default n
349 help
350 This driver adds supports for ACPI Memory Hotplug. This driver
351 provides support for fielding notifications on ACPI memory
352 devices (PNP0C80) which represent memory ranges that may be
353 onlined or offlined during runtime.
354
355 Enabling this driver assumes that your platform hardware
356 and firmware have support for hot-plugging physical memory. If
357 your system does not support physically adding or ripping out
Matt LaPlantec73a6682006-10-03 22:24:43 +0200358 memory DIMMs at some platform defined granularity (individually
Linus Torvalds1da177e2005-04-16 15:20:36 -0700359 or as a bank) at runtime, then you need not enable this driver.
360
361 If one selects "m," this driver can be loaded using the following
362 command:
363 $>modprobe acpi_memhotplug
Rich Townsend3f86b832006-07-01 11:36:54 -0400364
365config ACPI_SBS
366 tristate "Smart Battery System (EXPERIMENTAL)"
367 depends on X86 && I2C
368 depends on EXPERIMENTAL
Rich Townsend3f86b832006-07-01 11:36:54 -0400369 help
370 This driver adds support for the Smart Battery System.
371 Depends on I2C (Device Drivers ---> I2C support)
372 A "Smart Battery" is quite old and quite rare compared
373 to today's ACPI "Control Method" battery.
374
Linus Torvalds1da177e2005-04-16 15:20:36 -0700375endif # ACPI
376
377endmenu