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authorLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 18:20:36 -0400
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 18:20:36 -0400
commit1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (patch)
tree0bba044c4ce775e45a88a51686b5d9f90697ea9d /drivers/acpi/Kconfig
Linux-2.6.12-rc2v2.6.12-rc2
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
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1#
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
13
14 default y
15 ---help---
16 Advanced Configuration and Power Interface (ACPI) support for
17 Linux requires an ACPI compliant platform (hardware/firmware),
18 and assumes the presence of OS-directed configuration and power
19 management (OSPM) software. This option will enlarge your
20 kernel by about 70K.
21
22 Linux ACPI provides a robust functional replacement for several
23 legacy configuration and power management interfaces, including
24 the Plug-and-Play BIOS specification (PnP BIOS), the
25 MultiProcessor Specification (MPS), and the Advanced Power
26 Management (APM) specification. If both ACPI and APM support
27 are configured, whichever is loaded first shall be used.
28
29 The ACPI SourceForge project contains the latest source code,
30 documentation, tools, mailing list subscription, and other
31 information. This project is available at:
32 <http://sourceforge.net/projects/acpi>
33
34 Linux support for ACPI is based on Intel Corporation's ACPI
35 Component Architecture (ACPI CA). For more information see:
36 <http://developer.intel.com/technology/iapc/acpi>
37
38 ACPI is an open industry specification co-developed by Compaq,
39 Intel, Microsoft, Phoenix, and Toshiba. The specification is
40 available at:
41 <http://www.acpi.info>
42
43config ACPI_BOOT
44 bool
45 depends on ACPI || X86_HT
46 default y
47
48if ACPI
49
50config ACPI_INTERPRETER
51 bool
52 depends on !IA64_SGI_SN
53 default y
54
55if ACPI_INTERPRETER
56
57config ACPI_SLEEP
58 bool "Sleep States (EXPERIMENTAL)"
59 depends on X86
60 depends on EXPERIMENTAL && PM
61 default y
62 ---help---
63 This option adds support for ACPI suspend states.
64
65 With this option, you will be able to put the system "to sleep".
66 Sleep states are low power states for the system and devices. All
67 of the system operating state is saved to either memory or disk
68 (depending on the state), to allow the system to resume operation
69 quickly at your request.
70
71 Although this option sounds really nifty, barely any of the device
72 drivers have been converted to the new driver model and hence few
73 have proper power management support.
74
75 This option is not recommended for anyone except those doing driver
76 power management development.
77
78config ACPI_SLEEP_PROC_FS
79 bool
80 depends on ACPI_SLEEP && PROC_FS
81 default y
82
83config ACPI_AC
84 tristate "AC Adapter"
85 depends on X86
86 default m
87 help
88 This driver adds support for the AC Adapter object, which indicates
89 whether a system is on AC, or not. Typically, only mobile systems
90 have this object, since desktops are always on AC.
91
92config ACPI_BATTERY
93 tristate "Battery"
94 depends on X86
95 default m
96 help
97 This driver adds support for battery information through
98 /proc/acpi/battery. If you have a mobile system with a battery,
99 say Y.
100
101config ACPI_BUTTON
102 tristate "Button"
103 depends on !IA64_SGI_SN
104 default m
105 help
106 This driver registers for events based on buttons, such as the
107 power, sleep, and lid switch. In the future, a daemon will read
108 /proc/acpi/event and perform user-defined actions such as shutting
109 down the system. Until then, you can cat it, and see output when
110 a button is pressed.
111
112config ACPI_VIDEO
113 tristate "Video"
114 depends on EXPERIMENTAL
115 depends on !IA64_SGI_SN
116 default m
117 help
118 This driver implement the ACPI Extensions For Display Adapters
119 for integrated graphics devices on motherboard, as specified in
120 ACPI 2.0 Specification, Appendix B, allowing to perform some basic
121 control like defining the video POST device, retrieving EDID information
122 or to setup a video output, etc.
123 Note that this is an ref. implementation only. It may or may not work
124 for your integrated video device.
125
126config ACPI_FAN
127 tristate "Fan"
128 depends on !IA64_SGI_SN
129 default m
130 help
131 This driver adds support for ACPI fan devices, allowing user-mode
132 applications to perform basic fan control (on, off, status).
133
134config ACPI_PROCESSOR
135 tristate "Processor"
136 depends on !IA64_SGI_SN
137 default m
138 help
139 This driver installs ACPI as the idle handler for Linux, and uses
140 ACPI C2 and C3 processor states to save power, on systems that
141 support it.
142
143config ACPI_HOTPLUG_CPU
144 bool "Processor Hotplug (EXPERIMENTAL)"
145 depends on ACPI_PROCESSOR && HOTPLUG_CPU && EXPERIMENTAL
146 depends on !IA64_SGI_SN
147 select ACPI_CONTAINER
148 default n
149 ---help---
150 Select this option if your platform support physical CPU hotplug.
151
152config ACPI_THERMAL
153 tristate "Thermal Zone"
154 depends on ACPI_PROCESSOR
155 default m
156 help
157 This driver adds support for ACPI thermal zones. Most mobile and
158 some desktop systems support ACPI thermal zones. It is HIGHLY
159 recommended that this option be enabled, as your processor(s)
160 may be damaged without it.
161
162config ACPI_NUMA
163 bool "NUMA support"
164 depends on NUMA
165 depends on (IA64 || X86_64)
166 default y if IA64_GENERIC || IA64_SGI_SN2
167
168config ACPI_ASUS
169 tristate "ASUS/Medion Laptop Extras"
170 depends on X86
171 default m
172 ---help---
173 This driver provides support for extra features of ACPI-compatible
174 ASUS laptops. As some of Medion laptops are made by ASUS, it may also
175 support some Medion laptops (such as 9675 for example). It makes all
176 the extra buttons generate standard ACPI events that go through
177 /proc/acpi/events, and (on some models) adds support for changing the
178 display brightness and output, switching the LCD backlight on and off,
179 and most importantly, allows you to blink those fancy LEDs intended
180 for reporting mail and wireless status.
181
182 Note: display switching code is currently considered EXPERIMENTAL,
183 toying with these values may even lock your machine.
184
185 All settings are changed via /proc/acpi/asus directory entries. Owner
186 and group for these entries can be set with asus_uid and asus_gid
187 parameters.
188
189 More information and a userspace daemon for handling the extra buttons
190 at <http://sourceforge.net/projects/acpi4asus/>.
191
192 If you have an ACPI-compatible ASUS laptop, say Y or M here. This
193 driver is still under development, so if your laptop is unsupported or
194 something works not quite as expected, please use the mailing list
195 available on the above page (acpi4asus-user@lists.sourceforge.net)
196
197config ACPI_IBM
198 tristate "IBM ThinkPad Laptop Extras"
199 depends on X86
200 default m
201 ---help---
202 This is a Linux ACPI driver for the IBM ThinkPad laptops. It adds
203 support for Fn-Fx key combinations, Bluetooth control, video
204 output switching, ThinkLight control, UltraBay eject and more.
205 For more information about this driver see <file:Documentation/ibm-acpi.txt>
206 and <http://ibm-acpi.sf.net/> .
207
208 If you have an IBM ThinkPad laptop, say Y or M here.
209
210config ACPI_TOSHIBA
211 tristate "Toshiba Laptop Extras"
212 depends on X86
213 default m
214 ---help---
215 This driver adds support for access to certain system settings
216 on "legacy free" Toshiba laptops. These laptops can be recognized by
217 their lack of a BIOS setup menu and APM support.
218
219 On these machines, all system configuration is handled through the
220 ACPI. This driver is required for access to controls not covered
221 by the general ACPI drivers, such as LCD brightness, video output,
222 etc.
223
224 This driver differs from the non-ACPI Toshiba laptop driver (located
225 under "Processor type and features") in several aspects.
226 Configuration is accessed by reading and writing text files in the
227 /proc tree instead of by program interface to /dev. Furthermore, no
228 power management functions are exposed, as those are handled by the
229 general ACPI drivers.
230
231 More information about this driver is available at
232 <http://memebeam.org/toys/ToshibaAcpiDriver>.
233
234 If you have a legacy free Toshiba laptop (such as the Libretto L1
235 series), say Y.
236
237config ACPI_CUSTOM_DSDT
238 bool "Include Custom DSDT"
239 depends on !STANDALONE
240 default n
241 help
242 Thist option is to load a custom ACPI DSDT
243 If you don't know what that is, say N.
244
245config ACPI_CUSTOM_DSDT_FILE
246 string "Custom DSDT Table file to include"
247 depends on ACPI_CUSTOM_DSDT
248 default ""
249 help
250 Enter the full path name to the file wich includes the AmlCode declaration.
251
252config ACPI_BLACKLIST_YEAR
253 int "Disable ACPI for systems before Jan 1st this year"
254 depends on ACPI_INTERPRETER
255 default 0
256 help
257 enter a 4-digit year, eg. 2001 to disable ACPI by default
258 on platforms with DMI BIOS date before January 1st that year.
259 "acpi=force" can be used to override this mechanism.
260
261 Enter 0 to disable this mechanism and allow ACPI to
262 run by default no matter what the year. (default)
263
264config ACPI_DEBUG
265 bool "Debug Statements"
266 depends on !IA64_SGI_SN
267 default n
268 help
269 The ACPI driver can optionally report errors with a great deal
270 of verbosity. Saying Y enables these statements. This will increase
271 your kernel size by around 50K.
272
273config ACPI_BUS
274 bool
275 depends on !IA64_SGI_SN
276 default y
277
278config ACPI_EC
279 bool
280 depends on X86
281 default y
282 help
283 This driver is required on some systems for the proper operation of
284 the battery and thermal drivers. If you are compiling for a
285 mobile system, say Y.
286
287config ACPI_POWER
288 bool
289 depends on !IA64_SGI_SN
290 default y
291
292config ACPI_PCI
293 bool
294 depends on !IA64_SGI_SN
295 default PCI
296
297config ACPI_SYSTEM
298 bool
299 depends on !IA64_SGI_SN
300 default y
301 help
302 This driver will enable your system to shut down using ACPI, and
303 dump your ACPI DSDT table using /proc/acpi/dsdt.
304
305endif # ACPI_INTERPRETER
306
307config X86_PM_TIMER
308 bool "Power Management Timer Support"
309 depends on X86
310 depends on ACPI_BOOT && EXPERIMENTAL
311 depends on !X86_64
312 default n
313 help
314 The Power Management Timer is available on all ACPI-capable,
315 in most cases even if ACPI is unusable or blacklisted.
316
317 This timing source is not affected by powermanagement features
318 like aggressive processor idling, throttling, frequency and/or
319 voltage scaling, unlike the commonly used Time Stamp Counter
320 (TSC) timing source.
321
322 So, if you see messages like 'Losing too many ticks!' in the
323 kernel logs, and/or you are using this on a notebook which
324 does not yet have an HPET, you should say "Y" here.
325
326config ACPI_CONTAINER
327 tristate "ACPI0004,PNP0A05 and PNP0A06 Container Driver (EXPERIMENTAL)"
328 depends on EXPERIMENTAL
329 default (ACPI_HOTPLUG_MEMORY || ACPI_HOTPLUG_CPU || ACPI_HOTPLUG_IO)
330 ---help---
331 This is the ACPI generic container driver which supports
332 ACPI0004, PNP0A05 and PNP0A06 devices
333
334config ACPI_HOTPLUG_MEMORY
335 tristate "Memory Hotplug"
336 depends on ACPI
337 depends on MEMORY_HOTPLUG
338 default n
339 help
340 This driver adds supports for ACPI Memory Hotplug. This driver
341 provides support for fielding notifications on ACPI memory
342 devices (PNP0C80) which represent memory ranges that may be
343 onlined or offlined during runtime.
344
345 Enabling this driver assumes that your platform hardware
346 and firmware have support for hot-plugging physical memory. If
347 your system does not support physically adding or ripping out
348 memory DIMMs at some platfrom defined granularity (individually
349 or as a bank) at runtime, then you need not enable this driver.
350
351 If one selects "m," this driver can be loaded using the following
352 command:
353 $>modprobe acpi_memhotplug
354endif # ACPI
355
356endmenu