xref: /openbmc/linux/drivers/platform/x86/Kconfig (revision 58ac7aa0)
141b16dceSLen Brown#
241b16dceSLen Brown# X86 Platform Specific Drivers
341b16dceSLen Brown#
441b16dceSLen Brown
541b16dceSLen Brownmenuconfig X86_PLATFORM_DEVICES
641b16dceSLen Brown	bool "X86 Platform Specific Device Drivers"
741b16dceSLen Brown	default y
8a00cd11bSJan Engelhardt	depends on X86
941b16dceSLen Brown	---help---
1041b16dceSLen Brown	  Say Y here to get to see options for device drivers for various
1141b16dceSLen Brown	  x86 platforms, including vendor-specific laptop extension drivers.
1241b16dceSLen Brown	  This option alone does not add any kernel code.
1341b16dceSLen Brown
1441b16dceSLen Brown	  If you say N, all options in this submenu will be skipped and disabled.
1541b16dceSLen Brown
1641b16dceSLen Brownif X86_PLATFORM_DEVICES
1741b16dceSLen Brown
1841b16dceSLen Brownconfig ACER_WMI
1954b1ec89SCarlos Corbacho	tristate "Acer WMI Laptop Extras"
2041b16dceSLen Brown	depends on ACPI
2141b16dceSLen Brown	depends on LEDS_CLASS
2241b16dceSLen Brown	depends on NEW_LEDS
2341b16dceSLen Brown	depends on BACKLIGHT_CLASS_DEVICE
2441b16dceSLen Brown	depends on SERIO_I8042
2519d337dfSJohannes Berg	depends on RFKILL || RFKILL = n
2641b16dceSLen Brown	select ACPI_WMI
2741b16dceSLen Brown	---help---
2841b16dceSLen Brown	  This is a driver for newer Acer (and Wistron) laptops. It adds
2941b16dceSLen Brown	  wireless radio and bluetooth control, and on some laptops,
3041b16dceSLen Brown	  exposes the mail LED and LCD backlight.
3141b16dceSLen Brown
3241b16dceSLen Brown	  For more information about this driver see
3341b16dceSLen Brown	  <file:Documentation/laptops/acer-wmi.txt>
3441b16dceSLen Brown
3541b16dceSLen Brown	  If you have an ACPI-WMI compatible Acer/ Wistron laptop, say Y or M
3641b16dceSLen Brown	  here.
3741b16dceSLen Brown
38e86435ebSPeter Feuererconfig ACERHDF
39e86435ebSPeter Feuerer	tristate "Acer Aspire One temperature and fan driver"
40e86435ebSPeter Feuerer	depends on THERMAL && THERMAL_HWMON && ACPI
41e86435ebSPeter Feuerer	---help---
42e86435ebSPeter Feuerer	  This is a driver for Acer Aspire One netbooks. It allows to access
43e86435ebSPeter Feuerer	  the temperature sensor and to control the fan.
44e86435ebSPeter Feuerer
45e86435ebSPeter Feuerer	  After loading this driver the BIOS is still in control of the fan.
46e86435ebSPeter Feuerer	  To let the kernel handle the fan, do:
47e86435ebSPeter Feuerer	  echo -n enabled > /sys/class/thermal/thermal_zone0/mode
48e86435ebSPeter Feuerer
49e86435ebSPeter Feuerer	  For more information about this driver see
50e86435ebSPeter Feuerer	  <http://piie.net/files/acerhdf_README.txt>
51e86435ebSPeter Feuerer
52e86435ebSPeter Feuerer	  If you have an Acer Aspire One netbook, say Y or M
53e86435ebSPeter Feuerer	  here.
54e86435ebSPeter Feuerer
5541b16dceSLen Brownconfig ASUS_LAPTOP
566122af37SCorentin Chary	tristate "Asus Laptop Extras"
5741b16dceSLen Brown	depends on ACPI
5821ab01e2SCorentin Chary	depends on !ACPI_ASUS
59e73e2c62SCorentin Chary	select LEDS_CLASS
60e73e2c62SCorentin Chary	select NEW_LEDS
61e73e2c62SCorentin Chary	select BACKLIGHT_CLASS_DEVICE
6212d6f35bSCorentin Chary	depends on INPUT
6318e1311eSCorentin Chary	depends on RFKILL || RFKILL = n
6466a71dd1SCorentin Chary	select INPUT_SPARSEKMAP
6541b16dceSLen Brown	---help---
6641b16dceSLen Brown	  This is the new Linux driver for Asus laptops. It may also support some
6741b16dceSLen Brown	  MEDION, JVC or VICTOR laptops. It makes all the extra buttons generate
6876593d6fSCorentin Chary	  standard ACPI events and input events. It also adds
6941b16dceSLen Brown	  support for video output switching, LCD backlight control, Bluetooth and
7041b16dceSLen Brown	  Wlan control, and most importantly, allows you to blink those fancy LEDs.
7141b16dceSLen Brown
7241b16dceSLen Brown	  For more information and a userspace daemon for handling the extra
7376593d6fSCorentin Chary	  buttons see <http://acpi4asus.sf.net>.
7441b16dceSLen Brown
7541b16dceSLen Brown	  If you have an ACPI-compatible ASUS laptop, say Y or M here.
7641b16dceSLen Brown
77cad73120SLen Brownconfig DELL_LAPTOP
78cad73120SLen Brown	tristate "Dell Laptop Extras (EXPERIMENTAL)"
79cad73120SLen Brown	depends on X86
80cad73120SLen Brown	depends on DCDBAS
81cad73120SLen Brown	depends on EXPERIMENTAL
82cad73120SLen Brown	depends on BACKLIGHT_CLASS_DEVICE
8319d337dfSJohannes Berg	depends on RFKILL || RFKILL = n
84310d8c93SRandy Dunlap	depends on POWER_SUPPLY
85814cb8adSMatthew Garrett	depends on SERIO_I8042
86cad73120SLen Brown	default n
87cad73120SLen Brown	---help---
88cad73120SLen Brown	This driver adds support for rfkill and backlight control to Dell
89cad73120SLen Brown	laptops.
90cad73120SLen Brown
910b3f6109SMatthew Garrettconfig DELL_WMI
920b3f6109SMatthew Garrett	tristate "Dell WMI extras"
930b3f6109SMatthew Garrett	depends on ACPI_WMI
940b3f6109SMatthew Garrett	depends on INPUT
950b3f6109SMatthew Garrett	---help---
960b3f6109SMatthew Garrett	  Say Y here if you want to support WMI-based hotkeys on Dell laptops.
970b3f6109SMatthew Garrett
980b3f6109SMatthew Garrett	  To compile this driver as a module, choose M here: the module will
990b3f6109SMatthew Garrett	  be called dell-wmi.
1000b3f6109SMatthew Garrett
10141b16dceSLen Brownconfig FUJITSU_LAPTOP
10241b16dceSLen Brown	tristate "Fujitsu Laptop Extras"
10341b16dceSLen Brown	depends on ACPI
10441b16dceSLen Brown	depends on INPUT
10541b16dceSLen Brown	depends on BACKLIGHT_CLASS_DEVICE
106c1b5310aSJonathan Woithe	depends on LEDS_CLASS || LEDS_CLASS=n
10741b16dceSLen Brown	---help---
10841b16dceSLen Brown	  This is a driver for laptops built by Fujitsu:
10941b16dceSLen Brown
11041b16dceSLen Brown	    * P2xxx/P5xxx/S6xxx/S7xxx series Lifebooks
11141b16dceSLen Brown	    * Possibly other Fujitsu laptop models
11241b16dceSLen Brown	    * Tested with S6410 and S7020
11341b16dceSLen Brown
11441b16dceSLen Brown	  It adds support for LCD brightness control and some hotkeys.
11541b16dceSLen Brown
11641b16dceSLen Brown	  If you have a Fujitsu laptop, say Y or M here.
11741b16dceSLen Brown
11841b16dceSLen Brownconfig FUJITSU_LAPTOP_DEBUG
11941b16dceSLen Brown	bool "Verbose debug mode for Fujitsu Laptop Extras"
12041b16dceSLen Brown	depends on FUJITSU_LAPTOP
12141b16dceSLen Brown	default n
12241b16dceSLen Brown	---help---
12341b16dceSLen Brown	  Enables extra debug output from the fujitsu extras driver, at the
12441b16dceSLen Brown	  expense of a slight increase in driver size.
12541b16dceSLen Brown
12641b16dceSLen Brown	  If you are not sure, say N here.
12741b16dceSLen Brown
12841b16dceSLen Brownconfig TC1100_WMI
12941b16dceSLen Brown	tristate "HP Compaq TC1100 Tablet WMI Extras (EXPERIMENTAL)"
13041b16dceSLen Brown	depends on !X86_64
13141b16dceSLen Brown	depends on EXPERIMENTAL
13241b16dceSLen Brown	depends on ACPI
13341b16dceSLen Brown	select ACPI_WMI
13441b16dceSLen Brown	---help---
13541b16dceSLen Brown	  This is a driver for the WMI extensions (wireless and bluetooth power
13641b16dceSLen Brown	  control) of the HP Compaq TC1100 tablet.
13741b16dceSLen Brown
13841b16dceSLen Brownconfig HP_WMI
13941b16dceSLen Brown	tristate "HP WMI extras"
14041b16dceSLen Brown	depends on ACPI_WMI
14141b16dceSLen Brown	depends on INPUT
14219d337dfSJohannes Berg	depends on RFKILL || RFKILL = n
14341b16dceSLen Brown	help
14441b16dceSLen Brown	 Say Y here if you want to support WMI-based hotkeys on HP laptops and
14541b16dceSLen Brown	 to read data from WMI such as docking or ambient light sensor state.
14641b16dceSLen Brown
14741b16dceSLen Brown	 To compile this driver as a module, choose M here: the module will
14841b16dceSLen Brown	 be called hp-wmi.
14941b16dceSLen Brown
15041b16dceSLen Brownconfig MSI_LAPTOP
15141b16dceSLen Brown	tristate "MSI Laptop Extras"
15241b16dceSLen Brown	depends on ACPI
15341b16dceSLen Brown	depends on BACKLIGHT_CLASS_DEVICE
154410c1765SRandy Dunlap	depends on RFKILL
15581f61484SRandy Dunlap	depends on SERIO_I8042
15641b16dceSLen Brown	---help---
15741b16dceSLen Brown	  This is a driver for laptops built by MSI (MICRO-STAR
15841b16dceSLen Brown	  INTERNATIONAL):
15941b16dceSLen Brown
16041b16dceSLen Brown	  MSI MegaBook S270 (MS-1013)
16141b16dceSLen Brown	  Cytron/TCM/Medion/Tchibo MD96100/SAM2000
16241b16dceSLen Brown
16341b16dceSLen Brown	  It adds support for Bluetooth, WLAN and LCD brightness control.
16441b16dceSLen Brown
16541b16dceSLen Brown	  More information about this driver is available at
16641b16dceSLen Brown	  <http://0pointer.de/lennart/tchibo.html>.
16741b16dceSLen Brown
16841b16dceSLen Brown	  If you have an MSI S270 laptop, say Y or M here.
16941b16dceSLen Brown
17041b16dceSLen Brownconfig PANASONIC_LAPTOP
17141b16dceSLen Brown	tristate "Panasonic Laptop Extras"
17241b16dceSLen Brown	depends on INPUT && ACPI
17341b16dceSLen Brown	depends on BACKLIGHT_CLASS_DEVICE
17441b16dceSLen Brown	---help---
17541b16dceSLen Brown	  This driver adds support for access to backlight control and hotkeys
17641b16dceSLen Brown	  on Panasonic Let's Note laptops.
17741b16dceSLen Brown
17841b16dceSLen Brown	  If you have a Panasonic Let's note laptop (such as the R1(N variant),
17941b16dceSLen Brown	  R2, R3, R5, T2, W2 and Y2 series), say Y.
18041b16dceSLen Brown
18141b16dceSLen Brownconfig COMPAL_LAPTOP
18241b16dceSLen Brown	tristate "Compal Laptop Extras"
18341b16dceSLen Brown	depends on ACPI
18441b16dceSLen Brown	depends on BACKLIGHT_CLASS_DEVICE
18551c1410bSIngo Molnar	depends on RFKILL
186c2834145SRandy Dunlap	depends on HWMON
1875ca56718SRandy Dunlap	depends on POWER_SUPPLY
18841b16dceSLen Brown	---help---
18941b16dceSLen Brown	  This is a driver for laptops built by Compal:
19041b16dceSLen Brown
19141b16dceSLen Brown	  Compal FL90/IFL90
19241b16dceSLen Brown	  Compal FL91/IFL91
19341b16dceSLen Brown	  Compal FL92/JFL92
19441b16dceSLen Brown	  Compal FT00/IFT00
19541b16dceSLen Brown
19641b16dceSLen Brown	  It adds support for Bluetooth, WLAN and LCD brightness control.
19741b16dceSLen Brown
19841b16dceSLen Brown	  If you have an Compal FL9x/IFL9x/FT00 laptop, say Y or M here.
19941b16dceSLen Brown
20041b16dceSLen Brownconfig SONY_LAPTOP
20141b16dceSLen Brown	tristate "Sony Laptop Extras"
20241b16dceSLen Brown	depends on ACPI
20341b16dceSLen Brown	select BACKLIGHT_CLASS_DEVICE
20441b16dceSLen Brown	depends on INPUT
20514bd3136SAlexander Beregalov	depends on RFKILL
20641b16dceSLen Brown	  ---help---
20741b16dceSLen Brown	  This mini-driver drives the SNC and SPIC devices present in the ACPI
20841b16dceSLen Brown	  BIOS of the Sony Vaio laptops.
20941b16dceSLen Brown
21041b16dceSLen Brown	  It gives access to some extra laptop functionalities like Bluetooth,
21141b16dceSLen Brown	  screen brightness control, Fn keys and allows powering on/off some
21241b16dceSLen Brown	  devices.
21341b16dceSLen Brown
21441b16dceSLen Brown	  Read <file:Documentation/laptops/sony-laptop.txt> for more information.
21541b16dceSLen Brown
21641b16dceSLen Brownconfig SONYPI_COMPAT
21741b16dceSLen Brown	bool "Sonypi compatibility"
21841b16dceSLen Brown	depends on SONY_LAPTOP
21941b16dceSLen Brown	  ---help---
22041b16dceSLen Brown	  Build the sonypi driver compatibility code into the sony-laptop driver.
22141b16dceSLen Brown
22258ac7aa0SDavid Woodhouseconfig IDEAPAD_ACPI
22358ac7aa0SDavid Woodhouse	tristate "Lenovo IdeaPad ACPI Laptop Extras"
22458ac7aa0SDavid Woodhouse	depends on ACPI
22558ac7aa0SDavid Woodhouse	depends on RFKILL
22658ac7aa0SDavid Woodhouse	help
22758ac7aa0SDavid Woodhouse	  This is a driver for the rfkill switches on Lenovo IdeaPad netbooks.
22858ac7aa0SDavid Woodhouse
22941b16dceSLen Brownconfig THINKPAD_ACPI
23041b16dceSLen Brown	tristate "ThinkPad ACPI Laptop Extras"
23141b16dceSLen Brown	depends on ACPI
232d263da31SCorentin Chary	depends on INPUT
23319d337dfSJohannes Berg	depends on RFKILL || RFKILL = n
23441b16dceSLen Brown	select BACKLIGHT_LCD_SUPPORT
23541b16dceSLen Brown	select BACKLIGHT_CLASS_DEVICE
23641b16dceSLen Brown	select HWMON
23741b16dceSLen Brown	select NVRAM
23841b16dceSLen Brown	select NEW_LEDS
23941b16dceSLen Brown	select LEDS_CLASS
24041b16dceSLen Brown	---help---
24141b16dceSLen Brown	  This is a driver for the IBM and Lenovo ThinkPad laptops. It adds
24241b16dceSLen Brown	  support for Fn-Fx key combinations, Bluetooth control, video
24341b16dceSLen Brown	  output switching, ThinkLight control, UltraBay eject and more.
24441b16dceSLen Brown	  For more information about this driver see
24541b16dceSLen Brown	  <file:Documentation/laptops/thinkpad-acpi.txt> and
24641b16dceSLen Brown	  <http://ibm-acpi.sf.net/> .
24741b16dceSLen Brown
24841b16dceSLen Brown	  This driver was formerly known as ibm-acpi.
24941b16dceSLen Brown
2506e5b08eeSHenrique de Moraes Holschuh	  Extra functionality will be available if the rfkill (CONFIG_RFKILL)
2516e5b08eeSHenrique de Moraes Holschuh	  and/or ALSA (CONFIG_SND) subsystems are available in the kernel.
2526e5b08eeSHenrique de Moraes Holschuh	  Note that if you want ThinkPad-ACPI to be built-in instead of
2536e5b08eeSHenrique de Moraes Holschuh	  modular, ALSA and rfkill will also have to be built-in.
2546e5b08eeSHenrique de Moraes Holschuh
25541b16dceSLen Brown	  If you have an IBM or Lenovo ThinkPad laptop, say Y or M here.
25641b16dceSLen Brown
257ff850c33SHenrique de Moraes Holschuhconfig THINKPAD_ACPI_ALSA_SUPPORT
258ff850c33SHenrique de Moraes Holschuh	bool "Console audio control ALSA interface"
259ff850c33SHenrique de Moraes Holschuh	depends on THINKPAD_ACPI
260ff850c33SHenrique de Moraes Holschuh	depends on SND
261ff850c33SHenrique de Moraes Holschuh	depends on SND = y || THINKPAD_ACPI = SND
262ff850c33SHenrique de Moraes Holschuh	default y
263ff850c33SHenrique de Moraes Holschuh	---help---
264ff850c33SHenrique de Moraes Holschuh	  Enables monitoring of the built-in console audio output control
265ff850c33SHenrique de Moraes Holschuh	  (headphone and speakers), which is operated by the mute and (in
266ff850c33SHenrique de Moraes Holschuh	  some ThinkPad models) volume hotkeys.
267ff850c33SHenrique de Moraes Holschuh
268ff850c33SHenrique de Moraes Holschuh	  If this option is enabled, ThinkPad-ACPI will export an ALSA card
269ff850c33SHenrique de Moraes Holschuh	  with a single read-only mixer control, which should be used for
270ff850c33SHenrique de Moraes Holschuh	  on-screen-display feedback purposes by the Desktop Environment.
271ff850c33SHenrique de Moraes Holschuh
272ff850c33SHenrique de Moraes Holschuh	  Optionally, the driver will also allow software control (the
273ff850c33SHenrique de Moraes Holschuh	  ALSA mixer will be made read-write).  Please refer to the driver
274ff850c33SHenrique de Moraes Holschuh	  documentation for details.
275ff850c33SHenrique de Moraes Holschuh
276ff850c33SHenrique de Moraes Holschuh	  All IBM models have both volume and mute control.  Newer Lenovo
277ff850c33SHenrique de Moraes Holschuh	  models only have mute control (the volume hotkeys are just normal
278ff850c33SHenrique de Moraes Holschuh	  keys and volume control is done through the main HDA mixer).
279ff850c33SHenrique de Moraes Holschuh
280a73f3091SHenrique de Moraes Holschuhconfig THINKPAD_ACPI_DEBUGFACILITIES
281a73f3091SHenrique de Moraes Holschuh	bool "Maintainer debug facilities"
282a73f3091SHenrique de Moraes Holschuh	depends on THINKPAD_ACPI
283a73f3091SHenrique de Moraes Holschuh	default n
284a73f3091SHenrique de Moraes Holschuh	---help---
285a73f3091SHenrique de Moraes Holschuh	  Enables extra stuff in the thinkpad-acpi which is completely useless
286a73f3091SHenrique de Moraes Holschuh	  for normal use.  Read the driver source to find out what it does.
287a73f3091SHenrique de Moraes Holschuh
288a73f3091SHenrique de Moraes Holschuh	  Say N here, unless you were told by a kernel maintainer to do
289a73f3091SHenrique de Moraes Holschuh	  otherwise.
290a73f3091SHenrique de Moraes Holschuh
29141b16dceSLen Brownconfig THINKPAD_ACPI_DEBUG
29241b16dceSLen Brown	bool "Verbose debug mode"
29341b16dceSLen Brown	depends on THINKPAD_ACPI
29441b16dceSLen Brown	default n
29541b16dceSLen Brown	---help---
29641b16dceSLen Brown	  Enables extra debugging information, at the expense of a slightly
29741b16dceSLen Brown	  increase in driver size.
29841b16dceSLen Brown
29941b16dceSLen Brown	  If you are not sure, say N here.
30041b16dceSLen Brown
301a4d5effcSHenrique de Moraes Holschuhconfig THINKPAD_ACPI_UNSAFE_LEDS
302a4d5effcSHenrique de Moraes Holschuh	bool "Allow control of important LEDs (unsafe)"
303a4d5effcSHenrique de Moraes Holschuh	depends on THINKPAD_ACPI
304a4d5effcSHenrique de Moraes Holschuh	default n
305a4d5effcSHenrique de Moraes Holschuh	---help---
306a4d5effcSHenrique de Moraes Holschuh	  Overriding LED state on ThinkPads can mask important
307a4d5effcSHenrique de Moraes Holschuh	  firmware alerts (like critical battery condition), or misled
308a4d5effcSHenrique de Moraes Holschuh	  the user into damaging the hardware (undocking or ejecting
309a4d5effcSHenrique de Moraes Holschuh	  the bay while buses are still active), etc.
310a4d5effcSHenrique de Moraes Holschuh
311a4d5effcSHenrique de Moraes Holschuh	  LED control on the ThinkPad is write-only (with very few
312a4d5effcSHenrique de Moraes Holschuh	  exceptions on very ancient models), which makes it
313a4d5effcSHenrique de Moraes Holschuh	  impossible to know beforehand if important information will
314a4d5effcSHenrique de Moraes Holschuh	  be lost when one changes LED state.
315a4d5effcSHenrique de Moraes Holschuh
316a4d5effcSHenrique de Moraes Holschuh	  Users that know what they are doing can enable this option
317a4d5effcSHenrique de Moraes Holschuh	  and the driver will allow control of every LED, including
318a4d5effcSHenrique de Moraes Holschuh	  the ones on the dock stations.
319a4d5effcSHenrique de Moraes Holschuh
320a4d5effcSHenrique de Moraes Holschuh	  Never enable this option on a distribution kernel.
321a4d5effcSHenrique de Moraes Holschuh
322a4d5effcSHenrique de Moraes Holschuh	  Say N here, unless you are building a kernel for your own
323a4d5effcSHenrique de Moraes Holschuh	  use, and need to control the important firmware LEDs.
324a4d5effcSHenrique de Moraes Holschuh
32541b16dceSLen Brownconfig THINKPAD_ACPI_VIDEO
32641b16dceSLen Brown	bool "Video output control support"
32741b16dceSLen Brown	depends on THINKPAD_ACPI
32841b16dceSLen Brown	default y
32941b16dceSLen Brown	---help---
33041b16dceSLen Brown	  Allows the thinkpad_acpi driver to provide an interface to control
33141b16dceSLen Brown	  the various video output ports.
33241b16dceSLen Brown
33341b16dceSLen Brown	  This feature often won't work well, depending on ThinkPad model,
33441b16dceSLen Brown	  display state, video output devices in use, whether there is a X
33541b16dceSLen Brown	  server running, phase of the moon, and the current mood of
33641b16dceSLen Brown	  Schroedinger's cat.  If you can use X.org's RandR to control
33741b16dceSLen Brown	  your ThinkPad's video output ports instead of this feature,
338b525c06cSHenrique de Moraes Holschuh	  don't think twice: do it and say N here to save memory and avoid
339b525c06cSHenrique de Moraes Holschuh	  bad interactions with X.org.
34041b16dceSLen Brown
341b525c06cSHenrique de Moraes Holschuh	  NOTE: access to this feature is limited to processes with the
342b525c06cSHenrique de Moraes Holschuh	  CAP_SYS_ADMIN capability, to avoid local DoS issues in platforms
343b525c06cSHenrique de Moraes Holschuh	  where it interacts badly with X.org.
344b525c06cSHenrique de Moraes Holschuh
345b525c06cSHenrique de Moraes Holschuh	  If you are not sure, say Y here but do try to check if you could
346b525c06cSHenrique de Moraes Holschuh	  be using X.org RandR instead.
34741b16dceSLen Brown
34841b16dceSLen Brownconfig THINKPAD_ACPI_HOTKEY_POLL
34941b16dceSLen Brown	bool "Support NVRAM polling for hot keys"
35041b16dceSLen Brown	depends on THINKPAD_ACPI
35141b16dceSLen Brown	default y
35241b16dceSLen Brown	---help---
35341b16dceSLen Brown	  Some thinkpad models benefit from NVRAM polling to detect a few of
35441b16dceSLen Brown	  the hot key press events.  If you know your ThinkPad model does not
35541b16dceSLen Brown	  need to do NVRAM polling to support any of the hot keys you use,
35641b16dceSLen Brown	  unselecting this option will save about 1kB of memory.
35741b16dceSLen Brown
35841b16dceSLen Brown	  ThinkPads T40 and newer, R52 and newer, and X31 and newer are
35941b16dceSLen Brown	  unlikely to need NVRAM polling in their latest BIOS versions.
36041b16dceSLen Brown
36141b16dceSLen Brown	  NVRAM polling can detect at most the following keys: ThinkPad/Access
36241b16dceSLen Brown	  IBM, Zoom, Switch Display (fn+F7), ThinkLight, Volume up/down/mute,
36341b16dceSLen Brown	  Brightness up/down, Display Expand (fn+F8), Hibernate (fn+F12).
36441b16dceSLen Brown
36541b16dceSLen Brown	  If you are not sure, say Y here.  The driver enables polling only if
36641b16dceSLen Brown	  it is strictly necessary to do so.
36741b16dceSLen Brown
36841b16dceSLen Brownconfig INTEL_MENLOW
36941b16dceSLen Brown	tristate "Thermal Management driver for Intel menlow platform"
37041b16dceSLen Brown	depends on ACPI_THERMAL
37141b16dceSLen Brown	select THERMAL
37241b16dceSLen Brown	---help---
37341b16dceSLen Brown	  ACPI thermal management enhancement driver on
37441b16dceSLen Brown	  Intel Menlow platform.
37541b16dceSLen Brown
37641b16dceSLen Brown	  If unsure, say N.
37741b16dceSLen Brown
37841b16dceSLen Brownconfig EEEPC_LAPTOP
37941b16dceSLen Brown	tristate "Eee PC Hotkey Driver (EXPERIMENTAL)"
38041b16dceSLen Brown	depends on ACPI
3813a5093eeSAlexey Dobriyan	depends on INPUT
38241b16dceSLen Brown	depends on EXPERIMENTAL
38319d337dfSJohannes Berg	depends on RFKILL || RFKILL = n
38444b3615bSIngo Molnar	depends on HOTPLUG_PCI
385d97c0defSLen Brown	select BACKLIGHT_CLASS_DEVICE
386d97c0defSLen Brown	select HWMON
3873c0eb510SCorentin Chary	select LEDS_CLASS
3883c0eb510SCorentin Chary	select NEW_LEDS
389642e0447SDmitry Torokhov	select INPUT_SPARSEKMAP
39041b16dceSLen Brown	---help---
39141b16dceSLen Brown	  This driver supports the Fn-Fx keys on Eee PC laptops.
39276593d6fSCorentin Chary
39376593d6fSCorentin Chary	  It  also gives access to some extra laptop functionalities like
39476593d6fSCorentin Chary	  Bluetooth, backlight and allows powering on/off some other
39576593d6fSCorentin Chary	  devices.
39641b16dceSLen Brown
39741b16dceSLen Brown	  If you have an Eee PC laptop, say Y or M here.
39841b16dceSLen Brown
399ee027e4aSYong Wangconfig EEEPC_WMI
400ee027e4aSYong Wang	tristate "Eee PC WMI Hotkey Driver (EXPERIMENTAL)"
401ee027e4aSYong Wang	depends on ACPI_WMI
402ee027e4aSYong Wang	depends on INPUT
403ee027e4aSYong Wang	depends on EXPERIMENTAL
40489a7644bSRandy Dunlap	depends on BACKLIGHT_CLASS_DEVICE
405fb48aef7SIngo Molnar	select INPUT_SPARSEKMAP
406ee027e4aSYong Wang	---help---
407ee027e4aSYong Wang	  Say Y here if you want to support WMI-based hotkeys on Eee PC laptops.
408ee027e4aSYong Wang
409ee027e4aSYong Wang	  To compile this driver as a module, choose M here: the module will
410ee027e4aSYong Wang	  be called eeepc-wmi.
411b4f9fe12SLen Brown
412b4f9fe12SLen Brownconfig ACPI_WMI
4135fcdd177SCarlos Corbacho	tristate "WMI"
414b4f9fe12SLen Brown	depends on ACPI
415b4f9fe12SLen Brown	help
416b4f9fe12SLen Brown	  This driver adds support for the ACPI-WMI (Windows Management
417b4f9fe12SLen Brown	  Instrumentation) mapper device (PNP0C14) found on some systems.
418b4f9fe12SLen Brown
419b4f9fe12SLen Brown	  ACPI-WMI is a proprietary extension to ACPI to expose parts of the
420b4f9fe12SLen Brown	  ACPI firmware to userspace - this is done through various vendor
421b4f9fe12SLen Brown	  defined methods and data blocks in a PNP0C14 device, which are then
422b4f9fe12SLen Brown	  made available for userspace to call.
423b4f9fe12SLen Brown
424b4f9fe12SLen Brown	  The implementation of this in Linux currently only exposes this to
425b4f9fe12SLen Brown	  other kernel space drivers.
426b4f9fe12SLen Brown
427b4f9fe12SLen Brown	  This driver is a required dependency to build the firmware specific
428b4f9fe12SLen Brown	  drivers needed on many machines, including Acer and HP laptops.
429b4f9fe12SLen Brown
430b4f9fe12SLen Brown	  It is safe to enable this driver even if your DSDT doesn't define
431b4f9fe12SLen Brown	  any ACPI-WMI devices.
432b4f9fe12SLen Brown
433d12d8bafSThomas Renningerconfig MSI_WMI
434d12d8bafSThomas Renninger	tristate "MSI WMI extras"
435d12d8bafSThomas Renninger	depends on ACPI_WMI
436d12d8bafSThomas Renninger	depends on INPUT
437de078e57SAnisse Astier	depends on BACKLIGHT_CLASS_DEVICE
438c30116c6SAnisse Astier	select INPUT_SPARSEKMAP
439d12d8bafSThomas Renninger	help
440d12d8bafSThomas Renninger	 Say Y here if you want to support WMI-based hotkeys on MSI laptops.
441d12d8bafSThomas Renninger
442d12d8bafSThomas Renninger	 To compile this driver as a module, choose M here: the module will
443d12d8bafSThomas Renninger	 be called msi-wmi.
444d12d8bafSThomas Renninger
445b4f9fe12SLen Brownconfig ACPI_ASUS
4466122af37SCorentin Chary	tristate "ASUS/Medion Laptop Extras (DEPRECATED)"
447b4f9fe12SLen Brown	depends on ACPI
448b4f9fe12SLen Brown	select BACKLIGHT_CLASS_DEVICE
449b4f9fe12SLen Brown	---help---
450b4f9fe12SLen Brown	  This driver provides support for extra features of ACPI-compatible
451b4f9fe12SLen Brown	  ASUS laptops. As some of Medion laptops are made by ASUS, it may also
452b4f9fe12SLen Brown	  support some Medion laptops (such as 9675 for example).  It makes all
453b4f9fe12SLen Brown	  the extra buttons generate standard ACPI events that go through
454b4f9fe12SLen Brown	  /proc/acpi/events, and (on some models) adds support for changing the
455b4f9fe12SLen Brown	  display brightness and output, switching the LCD backlight on and off,
456b4f9fe12SLen Brown	  and most importantly, allows you to blink those fancy LEDs intended
457b4f9fe12SLen Brown	  for reporting mail and wireless status.
458b4f9fe12SLen Brown
459b4f9fe12SLen Brown	  Note: display switching code is currently considered EXPERIMENTAL,
460b4f9fe12SLen Brown	  toying with these values may even lock your machine.
461b4f9fe12SLen Brown
462b4f9fe12SLen Brown	  All settings are changed via /proc/acpi/asus directory entries. Owner
463b4f9fe12SLen Brown	  and group for these entries can be set with asus_uid and asus_gid
464b4f9fe12SLen Brown	  parameters.
465b4f9fe12SLen Brown
466b4f9fe12SLen Brown	  More information and a userspace daemon for handling the extra buttons
46776593d6fSCorentin Chary	  at <http://acpi4asus.sf.net>.
468b4f9fe12SLen Brown
469b4f9fe12SLen Brown	  If you have an ACPI-compatible ASUS laptop, say Y or M here. This
470b4f9fe12SLen Brown	  driver is still under development, so if your laptop is unsupported or
471b4f9fe12SLen Brown	  something works not quite as expected, please use the mailing list
472b4f9fe12SLen Brown	  available on the above page (acpi4asus-user@lists.sourceforge.net).
473b4f9fe12SLen Brown
474b4f9fe12SLen Brown	  NOTE: This driver is deprecated and will probably be removed soon,
475b4f9fe12SLen Brown	  use asus-laptop instead.
476b4f9fe12SLen Brown
4779caeb532SHerton Ronaldo Krzesinskiconfig TOPSTAR_LAPTOP
4789caeb532SHerton Ronaldo Krzesinski	tristate "Topstar Laptop Extras"
4799caeb532SHerton Ronaldo Krzesinski	depends on ACPI
4809caeb532SHerton Ronaldo Krzesinski	depends on INPUT
4819caeb532SHerton Ronaldo Krzesinski	---help---
4829caeb532SHerton Ronaldo Krzesinski	  This driver adds support for hotkeys found on Topstar laptops.
4839caeb532SHerton Ronaldo Krzesinski
4849caeb532SHerton Ronaldo Krzesinski	  If you have a Topstar laptop, say Y or M here.
4859caeb532SHerton Ronaldo Krzesinski
486b4f9fe12SLen Brownconfig ACPI_TOSHIBA
487b4f9fe12SLen Brown	tristate "Toshiba Laptop Extras"
488b4f9fe12SLen Brown	depends on ACPI
489b4f9fe12SLen Brown	depends on INPUT
49019d337dfSJohannes Berg	depends on RFKILL || RFKILL = n
491b4f9fe12SLen Brown	select INPUT_POLLDEV
492b4f9fe12SLen Brown	select BACKLIGHT_CLASS_DEVICE
493b4f9fe12SLen Brown	---help---
494b4f9fe12SLen Brown	  This driver adds support for access to certain system settings
495b4f9fe12SLen Brown	  on "legacy free" Toshiba laptops.  These laptops can be recognized by
496b4f9fe12SLen Brown	  their lack of a BIOS setup menu and APM support.
497b4f9fe12SLen Brown
498b4f9fe12SLen Brown	  On these machines, all system configuration is handled through the
499b4f9fe12SLen Brown	  ACPI.  This driver is required for access to controls not covered
500b4f9fe12SLen Brown	  by the general ACPI drivers, such as LCD brightness, video output,
501b4f9fe12SLen Brown	  etc.
502b4f9fe12SLen Brown
503b4f9fe12SLen Brown	  This driver differs from the non-ACPI Toshiba laptop driver (located
504b4f9fe12SLen Brown	  under "Processor type and features") in several aspects.
505b4f9fe12SLen Brown	  Configuration is accessed by reading and writing text files in the
506b4f9fe12SLen Brown	  /proc tree instead of by program interface to /dev.  Furthermore, no
507b4f9fe12SLen Brown	  power management functions are exposed, as those are handled by the
508b4f9fe12SLen Brown	  general ACPI drivers.
509b4f9fe12SLen Brown
510b4f9fe12SLen Brown	  More information about this driver is available at
511b4f9fe12SLen Brown	  <http://memebeam.org/toys/ToshibaAcpiDriver>.
512b4f9fe12SLen Brown
513b4f9fe12SLen Brown	  If you have a legacy free Toshiba laptop (such as the Libretto L1
514b4f9fe12SLen Brown	  series), say Y.
51542b4e9eeSJes Sorensen
51642b4e9eeSJes Sorensenconfig TOSHIBA_BT_RFKILL
51742b4e9eeSJes Sorensen	tristate "Toshiba Bluetooth RFKill switch support"
51842b4e9eeSJes Sorensen	depends on ACPI
51942b4e9eeSJes Sorensen	---help---
52042b4e9eeSJes Sorensen	  This driver adds support for Bluetooth events for the RFKill
52142b4e9eeSJes Sorensen	  switch on modern Toshiba laptops with full ACPI support and
52242b4e9eeSJes Sorensen	  an RFKill switch.
52342b4e9eeSJes Sorensen
52442b4e9eeSJes Sorensen	  This driver handles RFKill events for the TOS6205 Bluetooth,
52542b4e9eeSJes Sorensen	  and re-enables it when the switch is set back to the 'on'
52642b4e9eeSJes Sorensen	  position.
52742b4e9eeSJes Sorensen
52842b4e9eeSJes Sorensen	  If you have a modern Toshiba laptop with a Bluetooth and an
52942b4e9eeSJes Sorensen	  RFKill switch (such as the Portege R500), say Y.
530529aa8cbSThadeu Lima de Souza Cascardo
531529aa8cbSThadeu Lima de Souza Cascardoconfig ACPI_CMPC
532529aa8cbSThadeu Lima de Souza Cascardo	tristate "CMPC Laptop Extras"
533529aa8cbSThadeu Lima de Souza Cascardo	depends on X86 && ACPI
534f35843edSThadeu Lima de Souza Cascardo	depends on RFKILL || RFKILL=n
535529aa8cbSThadeu Lima de Souza Cascardo	select INPUT
536529aa8cbSThadeu Lima de Souza Cascardo	select BACKLIGHT_CLASS_DEVICE
537529aa8cbSThadeu Lima de Souza Cascardo	default n
538529aa8cbSThadeu Lima de Souza Cascardo	help
539529aa8cbSThadeu Lima de Souza Cascardo	  Support for Intel Classmate PC ACPI devices, including some
540529aa8cbSThadeu Lima de Souza Cascardo	  keys as input device, backlight device, tablet and accelerometer
541529aa8cbSThadeu Lima de Souza Cascardo	  devices.
542529aa8cbSThadeu Lima de Souza Cascardo
5439a58a333SSreedhara DSconfig INTEL_SCU_IPC
5449a58a333SSreedhara DS	bool "Intel SCU IPC Support"
5459a58a333SSreedhara DS	depends on X86_MRST
5469a58a333SSreedhara DS	default y
5479a58a333SSreedhara DS	---help---
5489a58a333SSreedhara DS	  IPC is used to bridge the communications between kernel and SCU on
5496c62673cSMatthew Garrett	  some embedded Intel x86 platforms. This is not needed for PC-type
5506c62673cSMatthew Garrett	  machines.
5519a58a333SSreedhara DS
55289507787SAlek Duconfig GPIO_INTEL_PMIC
55389507787SAlek Du	bool "Intel PMIC GPIO support"
55489507787SAlek Du	depends on INTEL_SCU_IPC && GPIOLIB
55589507787SAlek Du	---help---
55689507787SAlek Du	  Say Y here to support GPIO via the SCU IPC interface
55789507787SAlek Du	  on Intel MID platforms.
55889507787SAlek Du
559c715a38bSAlan Coxconfig RAR_REGISTER
560c715a38bSAlan Cox	bool "Restricted Access Region Register Driver"
561c715a38bSAlan Cox	depends on PCI && X86_MRST
562c715a38bSAlan Cox	default n
563c715a38bSAlan Cox	---help---
564c715a38bSAlan Cox	  This driver allows other kernel drivers access to the
565c715a38bSAlan Cox	  contents of the restricted access region control registers.
566c715a38bSAlan Cox
567c715a38bSAlan Cox	  The restricted access region control registers
568c715a38bSAlan Cox	  (rar_registers) are used to pass address and
569c715a38bSAlan Cox	  locking information on restricted access regions
570c715a38bSAlan Cox	  to other drivers that use restricted access regions.
571c715a38bSAlan Cox
572c715a38bSAlan Cox	  The restricted access regions are regions of memory
573c715a38bSAlan Cox	  on the Intel MID Platform that are not accessible to
574c715a38bSAlan Cox	  the x86 processor, but are accessible to dedicated
575c715a38bSAlan Cox	  processors on board peripheral devices.
576c715a38bSAlan Cox
577c715a38bSAlan Cox	  The purpose of the restricted access regions is to
578c715a38bSAlan Cox	  protect sensitive data from compromise by unauthorized
579c715a38bSAlan Cox	  programs running on the x86 processor.
580c715a38bSAlan Cox
581aa7ffc01SJesse Barnesconfig INTEL_IPS
582aa7ffc01SJesse Barnes	tristate "Intel Intelligent Power Sharing"
583aa7ffc01SJesse Barnes	depends on ACPI
584aa7ffc01SJesse Barnes	---help---
585aa7ffc01SJesse Barnes	  Intel Calpella platforms support dynamic power sharing between the
586aa7ffc01SJesse Barnes	  CPU and GPU, maximizing performance in a given TDP.  This driver,
587aa7ffc01SJesse Barnes	  along with the CPU frequency and i915 drivers, provides that
588aa7ffc01SJesse Barnes	  functionality.  If in doubt, say Y here; it will only load on
589aa7ffc01SJesse Barnes	  supported platforms.
590aa7ffc01SJesse Barnes
59141b16dceSLen Brownendif # X86_PLATFORM_DEVICES
592