Commit | Line | Data |
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1da177e4 LT |
1 | # |
2 | # ACPI Configuration | |
3 | # | |
4 | ||
5 | menu "ACPI (Advanced Configuration and Power Interface) Support" | |
6 | depends on !X86_VISWS | |
7 | depends on !IA64_HP_SIM | |
8 | depends on IA64 || X86 | |
9 | ||
10 | config ACPI | |
11 | bool "ACPI Support" | |
12 | depends on IA64 || X86 | |
6153df7b LB |
13 | select PM |
14 | select PCI | |
1da177e4 LT |
15 | |
16 | default y | |
17 | ---help--- | |
18 | Advanced Configuration and Power Interface (ACPI) support for | |
19 | Linux requires an ACPI compliant platform (hardware/firmware), | |
20 | and assumes the presence of OS-directed configuration and power | |
21 | management (OSPM) software. This option will enlarge your | |
22 | kernel by about 70K. | |
23 | ||
24 | Linux ACPI provides a robust functional replacement for several | |
25 | legacy configuration and power management interfaces, including | |
26 | the Plug-and-Play BIOS specification (PnP BIOS), the | |
27 | MultiProcessor Specification (MPS), and the Advanced Power | |
28 | Management (APM) specification. If both ACPI and APM support | |
29 | are configured, whichever is loaded first shall be used. | |
30 | ||
31 | The ACPI SourceForge project contains the latest source code, | |
32 | documentation, tools, mailing list subscription, and other | |
33 | information. This project is available at: | |
34 | <http://sourceforge.net/projects/acpi> | |
35 | ||
36 | Linux support for ACPI is based on Intel Corporation's ACPI | |
37 | Component Architecture (ACPI CA). For more information see: | |
38 | <http://developer.intel.com/technology/iapc/acpi> | |
39 | ||
40 | ACPI is an open industry specification co-developed by Compaq, | |
41 | Intel, Microsoft, Phoenix, and Toshiba. The specification is | |
42 | available at: | |
43 | <http://www.acpi.info> | |
44 | ||
3e11c3ce LB |
45 | if ACPI |
46 | ||
1da177e4 | 47 | config ACPI_SLEEP |
bfea6c2a | 48 | bool "Sleep States" |
5a72e04d | 49 | depends on X86 && (!SMP || SUSPEND_SMP) |
bfea6c2a | 50 | depends on PM |
1da177e4 LT |
51 | default y |
52 | ---help--- | |
53 | This option adds support for ACPI suspend states. | |
54 | ||
55 | With this option, you will be able to put the system "to sleep". | |
56 | Sleep states are low power states for the system and devices. All | |
57 | of the system operating state is saved to either memory or disk | |
58 | (depending on the state), to allow the system to resume operation | |
59 | quickly at your request. | |
60 | ||
61 | Although this option sounds really nifty, barely any of the device | |
62 | drivers have been converted to the new driver model and hence few | |
63 | have proper power management support. | |
64 | ||
65 | This option is not recommended for anyone except those doing driver | |
66 | power management development. | |
67 | ||
68 | config ACPI_SLEEP_PROC_FS | |
69 | bool | |
70 | depends on ACPI_SLEEP && PROC_FS | |
71 | default y | |
72 | ||
ebb6e1a6 LB |
73 | config ACPI_SLEEP_PROC_SLEEP |
74 | bool "/proc/acpi/sleep (deprecated)" | |
75 | depends on ACPI_SLEEP_PROC_FS | |
76 | default n | |
77 | ---help--- | |
78 | Create /proc/acpi/sleep | |
79 | Deprecated by /sys/power/state | |
80 | ||
1da177e4 LT |
81 | config ACPI_AC |
82 | tristate "AC Adapter" | |
83 | depends on X86 | |
07fefe4c | 84 | default y |
1da177e4 LT |
85 | help |
86 | This driver adds support for the AC Adapter object, which indicates | |
07fefe4c LB |
87 | whether a system is on AC, or not. If you have a system that can |
88 | switch between A/C and battery, say Y. | |
1da177e4 LT |
89 | |
90 | config ACPI_BATTERY | |
91 | tristate "Battery" | |
92 | depends on X86 | |
07fefe4c | 93 | default y |
1da177e4 LT |
94 | help |
95 | This driver adds support for battery information through | |
96 | /proc/acpi/battery. If you have a mobile system with a battery, | |
97 | say Y. | |
98 | ||
99 | config ACPI_BUTTON | |
100 | tristate "Button" | |
07fefe4c | 101 | default y |
1da177e4 | 102 | help |
07fefe4c LB |
103 | This driver handles events on the power, sleep and lid buttons. |
104 | A daemon reads /proc/acpi/event and perform user-defined actions | |
105 | such as shutting down the system. This is necessary for | |
106 | software controlled poweroff. | |
1da177e4 LT |
107 | |
108 | config ACPI_VIDEO | |
109 | tristate "Video" | |
eb7b6b32 | 110 | depends on X86 |
07fefe4c | 111 | default y |
1da177e4 LT |
112 | help |
113 | This driver implement the ACPI Extensions For Display Adapters | |
114 | for integrated graphics devices on motherboard, as specified in | |
115 | ACPI 2.0 Specification, Appendix B, allowing to perform some basic | |
116 | control like defining the video POST device, retrieving EDID information | |
117 | or to setup a video output, etc. | |
118 | Note that this is an ref. implementation only. It may or may not work | |
119 | for your integrated video device. | |
120 | ||
fb9802fa | 121 | config ACPI_HOTKEY |
bfea6c2a | 122 | tristate "Generic Hotkey (EXPERIMENTAL)" |
fb9802fa | 123 | depends on EXPERIMENTAL |
eb7b6b32 | 124 | depends on X86 |
79cda7d0 | 125 | default n |
fb9802fa | 126 | help |
79cda7d0 LY |
127 | Experimental consolidated hotkey driver. |
128 | If you are unsure, say N. | |
fb9802fa | 129 | |
1da177e4 LT |
130 | config ACPI_FAN |
131 | tristate "Fan" | |
07fefe4c | 132 | default y |
1da177e4 LT |
133 | help |
134 | This driver adds support for ACPI fan devices, allowing user-mode | |
135 | applications to perform basic fan control (on, off, status). | |
136 | ||
137 | config ACPI_PROCESSOR | |
138 | tristate "Processor" | |
07fefe4c | 139 | default y |
1da177e4 LT |
140 | help |
141 | This driver installs ACPI as the idle handler for Linux, and uses | |
142 | ACPI C2 and C3 processor states to save power, on systems that | |
07fefe4c LB |
143 | support it. It is required by several flavors of cpufreq |
144 | Performance-state drivers. | |
1da177e4 LT |
145 | |
146 | config ACPI_HOTPLUG_CPU | |
cbfc1bae AB |
147 | bool |
148 | depends on ACPI_PROCESSOR && HOTPLUG_CPU | |
1da177e4 | 149 | select ACPI_CONTAINER |
cbfc1bae | 150 | default y |
1da177e4 LT |
151 | |
152 | config ACPI_THERMAL | |
153 | tristate "Thermal Zone" | |
154 | depends on ACPI_PROCESSOR | |
07fefe4c | 155 | default y |
1da177e4 LT |
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 | ||
162 | config 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 | ||
168 | config ACPI_ASUS | |
169 | tristate "ASUS/Medion Laptop Extras" | |
170 | depends on X86 | |
07fefe4c | 171 | default y |
1da177e4 LT |
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 | ||
197 | config ACPI_IBM | |
198 | tristate "IBM ThinkPad Laptop Extras" | |
199 | depends on X86 | |
07fefe4c | 200 | default y |
1da177e4 LT |
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 | ||
210 | config ACPI_TOSHIBA | |
211 | tristate "Toshiba Laptop Extras" | |
212 | depends on X86 | |
07fefe4c | 213 | default y |
1da177e4 LT |
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 | ||
237 | config 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 | ||
245 | config 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 | ||
252 | config ACPI_BLACKLIST_YEAR | |
5dce225b | 253 | int "Disable ACPI for systems before Jan 1st this year" if X86 |
1da177e4 LT |
254 | default 0 |
255 | help | |
256 | enter a 4-digit year, eg. 2001 to disable ACPI by default | |
257 | on platforms with DMI BIOS date before January 1st that year. | |
258 | "acpi=force" can be used to override this mechanism. | |
259 | ||
260 | Enter 0 to disable this mechanism and allow ACPI to | |
261 | run by default no matter what the year. (default) | |
262 | ||
263 | config ACPI_DEBUG | |
264 | bool "Debug Statements" | |
1da177e4 LT |
265 | default n |
266 | help | |
267 | The ACPI driver can optionally report errors with a great deal | |
268 | of verbosity. Saying Y enables these statements. This will increase | |
269 | your kernel size by around 50K. | |
270 | ||
1da177e4 LT |
271 | config ACPI_EC |
272 | bool | |
273 | depends on X86 | |
274 | default y | |
275 | help | |
276 | This driver is required on some systems for the proper operation of | |
277 | the battery and thermal drivers. If you are compiling for a | |
278 | mobile system, say Y. | |
279 | ||
280 | config ACPI_POWER | |
281 | bool | |
1da177e4 LT |
282 | default y |
283 | ||
1da177e4 LT |
284 | config ACPI_SYSTEM |
285 | bool | |
1da177e4 LT |
286 | default y |
287 | help | |
288 | This driver will enable your system to shut down using ACPI, and | |
289 | dump your ACPI DSDT table using /proc/acpi/dsdt. | |
290 | ||
1da177e4 LT |
291 | config X86_PM_TIMER |
292 | bool "Power Management Timer Support" | |
293 | depends on X86 | |
1da177e4 | 294 | depends on !X86_64 |
07fefe4c | 295 | default y |
1da177e4 LT |
296 | help |
297 | The Power Management Timer is available on all ACPI-capable, | |
298 | in most cases even if ACPI is unusable or blacklisted. | |
299 | ||
300 | This timing source is not affected by powermanagement features | |
301 | like aggressive processor idling, throttling, frequency and/or | |
302 | voltage scaling, unlike the commonly used Time Stamp Counter | |
303 | (TSC) timing source. | |
304 | ||
305 | So, if you see messages like 'Losing too many ticks!' in the | |
306 | kernel logs, and/or you are using this on a notebook which | |
307 | does not yet have an HPET, you should say "Y" here. | |
308 | ||
309 | config ACPI_CONTAINER | |
310 | tristate "ACPI0004,PNP0A05 and PNP0A06 Container Driver (EXPERIMENTAL)" | |
311 | depends on EXPERIMENTAL | |
312 | default (ACPI_HOTPLUG_MEMORY || ACPI_HOTPLUG_CPU || ACPI_HOTPLUG_IO) | |
313 | ---help--- | |
45b1b196 KT |
314 | This allows _physical_ insertion and removal of CPUs and memory. |
315 | This can be useful, for example, on NUMA machines that support | |
316 | ACPI based physical hotplug of nodes, or non-NUMA machines that | |
317 | support physical cpu/memory hot-plug. | |
318 | ||
319 | If one selects "m", this driver can be loaded with | |
320 | "modprobe acpi_container". | |
1da177e4 LT |
321 | |
322 | config ACPI_HOTPLUG_MEMORY | |
323 | tristate "Memory Hotplug" | |
324 | depends on ACPI | |
325 | depends on MEMORY_HOTPLUG | |
326 | default n | |
327 | help | |
328 | This driver adds supports for ACPI Memory Hotplug. This driver | |
329 | provides support for fielding notifications on ACPI memory | |
330 | devices (PNP0C80) which represent memory ranges that may be | |
331 | onlined or offlined during runtime. | |
332 | ||
333 | Enabling this driver assumes that your platform hardware | |
334 | and firmware have support for hot-plugging physical memory. If | |
335 | your system does not support physically adding or ripping out | |
336 | memory DIMMs at some platfrom defined granularity (individually | |
337 | or as a bank) at runtime, then you need not enable this driver. | |
338 | ||
339 | If one selects "m," this driver can be loaded using the following | |
340 | command: | |
341 | $>modprobe acpi_memhotplug | |
342 | endif # ACPI | |
343 | ||
344 | endmenu |