xref: /openbmc/linux/drivers/platform/x86/Kconfig (revision 6189f1b0)
1#
2# X86 Platform Specific Drivers
3#
4
5menuconfig X86_PLATFORM_DEVICES
6	bool "X86 Platform Specific Device Drivers"
7	default y
8	depends on X86
9	---help---
10	  Say Y here to get to see options for device drivers for various
11	  x86 platforms, including vendor-specific laptop extension drivers.
12	  This option alone does not add any kernel code.
13
14	  If you say N, all options in this submenu will be skipped and disabled.
15
16if X86_PLATFORM_DEVICES
17
18config ACER_WMI
19	tristate "Acer WMI Laptop Extras"
20	depends on ACPI
21	select LEDS_CLASS
22	select NEW_LEDS
23	depends on BACKLIGHT_CLASS_DEVICE
24	depends on SERIO_I8042
25	depends on INPUT
26	depends on RFKILL || RFKILL = n
27	depends on ACPI_WMI
28	select INPUT_SPARSEKMAP
29	# Acer WMI depends on ACPI_VIDEO when ACPI is enabled
30        select ACPI_VIDEO if ACPI
31	---help---
32	  This is a driver for newer Acer (and Wistron) laptops. It adds
33	  wireless radio and bluetooth control, and on some laptops,
34	  exposes the mail LED and LCD backlight.
35
36	  If you have an ACPI-WMI compatible Acer/ Wistron laptop, say Y or M
37	  here.
38
39config ACERHDF
40	tristate "Acer Aspire One temperature and fan driver"
41	depends on ACPI && THERMAL
42	select THERMAL_GOV_BANG_BANG
43	---help---
44	  This is a driver for Acer Aspire One netbooks. It allows to access
45	  the temperature sensor and to control the fan.
46
47	  After loading this driver the BIOS is still in control of the fan.
48	  To let the kernel handle the fan, do:
49	  echo -n enabled > /sys/class/thermal/thermal_zone0/mode
50
51	  For more information about this driver see
52	  <http://piie.net/files/acerhdf_README.txt>
53
54	  If you have an Acer Aspire One netbook, say Y or M
55	  here.
56
57config ALIENWARE_WMI
58	tristate "Alienware Special feature control"
59	depends on ACPI
60	depends on LEDS_CLASS
61	depends on NEW_LEDS
62	depends on ACPI_WMI
63	---help---
64	 This is a driver for controlling Alienware BIOS driven
65	 features.  It exposes an interface for controlling the AlienFX
66	 zones on Alienware machines that don't contain a dedicated AlienFX
67	 USB MCU such as the X51 and X51-R2.
68
69config ASUS_LAPTOP
70	tristate "Asus Laptop Extras"
71	depends on ACPI
72	select LEDS_CLASS
73	select NEW_LEDS
74	depends on BACKLIGHT_CLASS_DEVICE
75	depends on INPUT
76	depends on RFKILL || RFKILL = n
77	depends on ACPI_VIDEO || ACPI_VIDEO = n
78	select INPUT_SPARSEKMAP
79	select INPUT_POLLDEV
80	---help---
81	  This is a driver for Asus laptops, Lenovo SL and the Pegatron
82	  Lucid tablet. It may also support some MEDION, JVC or VICTOR
83	  laptops. It makes all the extra buttons generate standard
84	  ACPI events and input events, and on the Lucid the built-in
85	  accelerometer appears as an input device.  It also adds
86	  support for video output switching, LCD backlight control,
87	  Bluetooth and Wlan control, and most importantly, allows you
88	  to blink those fancy LEDs.
89
90	  For more information see <http://acpi4asus.sf.net>.
91
92	  If you have an ACPI-compatible ASUS laptop, say Y or M here.
93
94config DELL_LAPTOP
95	tristate "Dell Laptop Extras"
96	depends on X86
97	depends on DCDBAS
98	depends on BACKLIGHT_CLASS_DEVICE
99	depends on ACPI_VIDEO || ACPI_VIDEO = n
100	depends on RFKILL || RFKILL = n
101	depends on SERIO_I8042
102	select POWER_SUPPLY
103	select LEDS_CLASS
104	select NEW_LEDS
105	default n
106	---help---
107	This driver adds support for rfkill and backlight control to Dell
108	laptops (except for some models covered by the Compal driver).
109
110config DELL_WMI
111	tristate "Dell WMI extras"
112	depends on ACPI_WMI
113	depends on INPUT
114	depends on ACPI_VIDEO || ACPI_VIDEO = n
115	select INPUT_SPARSEKMAP
116	---help---
117	  Say Y here if you want to support WMI-based hotkeys on Dell laptops.
118
119	  To compile this driver as a module, choose M here: the module will
120	  be called dell-wmi.
121
122config DELL_WMI_AIO
123	tristate "WMI Hotkeys for Dell All-In-One series"
124	depends on ACPI_WMI
125	depends on INPUT
126	select INPUT_SPARSEKMAP
127	---help---
128	  Say Y here if you want to support WMI-based hotkeys on Dell
129	  All-In-One machines.
130
131	  To compile this driver as a module, choose M here: the module will
132	  be called dell-wmi-aio.
133
134config DELL_SMO8800
135	tristate "Dell Latitude freefall driver (ACPI SMO88XX)"
136	depends on ACPI
137	---help---
138	  Say Y here if you want to support SMO88XX freefall devices
139	  on Dell Latitude laptops.
140
141	  To compile this driver as a module, choose M here: the module will
142	  be called dell-smo8800.
143
144config DELL_RBTN
145	tristate "Dell Airplane Mode Switch driver"
146	depends on ACPI
147	depends on INPUT
148	depends on RFKILL
149	---help---
150	  Say Y here if you want to support Dell Airplane Mode Switch ACPI
151	  device on Dell laptops. Sometimes it has names: DELLABCE or DELRBTN.
152	  This driver register rfkill device or input hotkey device depending
153	  on hardware type (hw switch slider or keyboard toggle button). For
154	  rfkill devices it receive HW switch events and set correct hard
155	  rfkill state.
156
157	  To compile this driver as a module, choose M here: the module will
158	  be called dell-rbtn.
159
160
161config FUJITSU_LAPTOP
162	tristate "Fujitsu Laptop Extras"
163	depends on ACPI
164	depends on INPUT
165	depends on BACKLIGHT_CLASS_DEVICE
166	depends on ACPI_VIDEO || ACPI_VIDEO = n
167	depends on LEDS_CLASS || LEDS_CLASS=n
168	---help---
169	  This is a driver for laptops built by Fujitsu:
170
171	    * P2xxx/P5xxx/S6xxx/S7xxx series Lifebooks
172	    * Possibly other Fujitsu laptop models
173	    * Tested with S6410 and S7020
174
175	  It adds support for LCD brightness control and some hotkeys.
176
177	  If you have a Fujitsu laptop, say Y or M here.
178
179config FUJITSU_LAPTOP_DEBUG
180	bool "Verbose debug mode for Fujitsu Laptop Extras"
181	depends on FUJITSU_LAPTOP
182	default n
183	---help---
184	  Enables extra debug output from the fujitsu extras driver, at the
185	  expense of a slight increase in driver size.
186
187	  If you are not sure, say N here.
188
189config FUJITSU_TABLET
190       tristate "Fujitsu Tablet Extras"
191       depends on ACPI
192       depends on INPUT
193       ---help---
194         This is a driver for tablets built by Fujitsu:
195
196           * Lifebook P1510/P1610/P1620/Txxxx
197           * Stylistic ST5xxx
198           * Possibly other Fujitsu tablet models
199
200         It adds support for the panel buttons, docking station detection,
201         tablet/notebook mode detection for convertible and
202         orientation detection for docked slates.
203
204         If you have a Fujitsu convertible or slate, say Y or M here.
205
206config AMILO_RFKILL
207	tristate "Fujitsu-Siemens Amilo rfkill support"
208	depends on RFKILL
209	depends on SERIO_I8042
210	---help---
211	  This is a driver for enabling wifi on some Fujitsu-Siemens Amilo
212	  laptops.
213
214config TC1100_WMI
215	tristate "HP Compaq TC1100 Tablet WMI Extras"
216	depends on !X86_64
217	depends on ACPI
218	depends on ACPI_WMI
219	---help---
220	  This is a driver for the WMI extensions (wireless and bluetooth power
221	  control) of the HP Compaq TC1100 tablet.
222
223config HP_ACCEL
224	tristate "HP laptop accelerometer"
225	depends on INPUT && ACPI
226	depends on SERIO_I8042
227	select SENSORS_LIS3LV02D
228	select NEW_LEDS
229	select LEDS_CLASS
230	help
231	  This driver provides support for the "Mobile Data Protection System 3D"
232	  or "3D DriveGuard" feature of HP laptops. On such systems the driver
233	  should load automatically (via ACPI alias).
234
235	  Support for a led indicating disk protection will be provided as
236	  hp::hddprotect. For more information on the feature, refer to
237	  Documentation/misc-devices/lis3lv02d.
238
239	  To compile this driver as a module, choose M here: the module will
240	  be called hp_accel.
241
242config HP_WIRELESS
243	tristate "HP wireless button"
244	depends on ACPI
245	depends on INPUT
246	help
247	 This driver provides supports for new HP wireless button for Windows 8.
248	 On such systems the driver should load automatically (via ACPI alias).
249
250	 To compile this driver as a module, choose M here: the module will
251	 be called hp-wireless.
252
253config HP_WMI
254	tristate "HP WMI extras"
255	depends on ACPI_WMI
256	depends on INPUT
257	depends on RFKILL || RFKILL = n
258	select INPUT_SPARSEKMAP
259	help
260	 Say Y here if you want to support WMI-based hotkeys on HP laptops and
261	 to read data from WMI such as docking or ambient light sensor state.
262
263	 To compile this driver as a module, choose M here: the module will
264	 be called hp-wmi.
265
266config MSI_LAPTOP
267	tristate "MSI Laptop Extras"
268	depends on ACPI
269	depends on BACKLIGHT_CLASS_DEVICE
270	depends on ACPI_VIDEO || ACPI_VIDEO = n
271	depends on RFKILL
272	depends on INPUT && SERIO_I8042
273	select INPUT_SPARSEKMAP
274	---help---
275	  This is a driver for laptops built by MSI (MICRO-STAR
276	  INTERNATIONAL):
277
278	  MSI MegaBook S270 (MS-1013)
279	  Cytron/TCM/Medion/Tchibo MD96100/SAM2000
280
281	  It adds support for Bluetooth, WLAN and LCD brightness control.
282
283	  More information about this driver is available at
284	  <http://0pointer.de/lennart/tchibo.html>.
285
286	  If you have an MSI S270 laptop, say Y or M here.
287
288config PANASONIC_LAPTOP
289	tristate "Panasonic Laptop Extras"
290	depends on INPUT && ACPI
291	depends on BACKLIGHT_CLASS_DEVICE
292	select INPUT_SPARSEKMAP
293	---help---
294	  This driver adds support for access to backlight control and hotkeys
295	  on Panasonic Let's Note laptops.
296
297	  If you have a Panasonic Let's note laptop (such as the R1(N variant),
298	  R2, R3, R5, T2, W2 and Y2 series), say Y.
299
300config COMPAL_LAPTOP
301	tristate "Compal (and others) Laptop Extras"
302	depends on ACPI
303	depends on BACKLIGHT_CLASS_DEVICE
304	depends on ACPI_VIDEO || ACPI_VIDEO = n
305	depends on RFKILL
306	depends on HWMON
307	depends on POWER_SUPPLY
308	---help---
309	  This is a driver for laptops built by Compal, and some models by
310	  other brands (e.g. Dell, Toshiba).
311
312	  It adds support for rfkill, Bluetooth, WLAN and LCD brightness
313	  control.
314
315	  For a (possibly incomplete) list of supported laptops, please refer
316	  to: Documentation/platform/x86-laptop-drivers.txt
317
318config SONY_LAPTOP
319	tristate "Sony Laptop Extras"
320	depends on ACPI
321	depends on ACPI_VIDEO || ACPI_VIDEO = n
322	depends on BACKLIGHT_CLASS_DEVICE
323	depends on INPUT
324	depends on RFKILL
325	  ---help---
326	  This mini-driver drives the SNC and SPIC devices present in the ACPI
327	  BIOS of the Sony Vaio laptops.
328
329	  It gives access to some extra laptop functionalities like Bluetooth,
330	  screen brightness control, Fn keys and allows powering on/off some
331	  devices.
332
333	  Read <file:Documentation/laptops/sony-laptop.txt> for more information.
334
335config SONYPI_COMPAT
336	bool "Sonypi compatibility"
337	depends on SONY_LAPTOP
338	  ---help---
339	  Build the sonypi driver compatibility code into the sony-laptop driver.
340
341config IDEAPAD_LAPTOP
342	tristate "Lenovo IdeaPad Laptop Extras"
343	depends on ACPI
344	depends on RFKILL && INPUT
345	depends on SERIO_I8042
346	depends on BACKLIGHT_CLASS_DEVICE
347	depends on ACPI_VIDEO || ACPI_VIDEO = n
348	select INPUT_SPARSEKMAP
349	help
350	  This is a driver for Lenovo IdeaPad netbooks contains drivers for
351	  rfkill switch, hotkey, fan control and backlight control.
352
353config THINKPAD_ACPI
354	tristate "ThinkPad ACPI Laptop Extras"
355	depends on ACPI
356	depends on INPUT
357	depends on RFKILL || RFKILL = n
358	depends on ACPI_VIDEO || ACPI_VIDEO = n
359	depends on BACKLIGHT_CLASS_DEVICE
360	select HWMON
361	select NVRAM
362	select NEW_LEDS
363	select LEDS_CLASS
364	---help---
365	  This is a driver for the IBM and Lenovo ThinkPad laptops. It adds
366	  support for Fn-Fx key combinations, Bluetooth control, video
367	  output switching, ThinkLight control, UltraBay eject and more.
368	  For more information about this driver see
369	  <file:Documentation/laptops/thinkpad-acpi.txt> and
370	  <http://ibm-acpi.sf.net/> .
371
372	  This driver was formerly known as ibm-acpi.
373
374	  Extra functionality will be available if the rfkill (CONFIG_RFKILL)
375	  and/or ALSA (CONFIG_SND) subsystems are available in the kernel.
376	  Note that if you want ThinkPad-ACPI to be built-in instead of
377	  modular, ALSA and rfkill will also have to be built-in.
378
379	  If you have an IBM or Lenovo ThinkPad laptop, say Y or M here.
380
381config THINKPAD_ACPI_ALSA_SUPPORT
382	bool "Console audio control ALSA interface"
383	depends on THINKPAD_ACPI
384	depends on SND
385	depends on SND = y || THINKPAD_ACPI = SND
386	default y
387	---help---
388	  Enables monitoring of the built-in console audio output control
389	  (headphone and speakers), which is operated by the mute and (in
390	  some ThinkPad models) volume hotkeys.
391
392	  If this option is enabled, ThinkPad-ACPI will export an ALSA card
393	  with a single read-only mixer control, which should be used for
394	  on-screen-display feedback purposes by the Desktop Environment.
395
396	  Optionally, the driver will also allow software control (the
397	  ALSA mixer will be made read-write).  Please refer to the driver
398	  documentation for details.
399
400	  All IBM models have both volume and mute control.  Newer Lenovo
401	  models only have mute control (the volume hotkeys are just normal
402	  keys and volume control is done through the main HDA mixer).
403
404config THINKPAD_ACPI_DEBUGFACILITIES
405	bool "Maintainer debug facilities"
406	depends on THINKPAD_ACPI
407	default n
408	---help---
409	  Enables extra stuff in the thinkpad-acpi which is completely useless
410	  for normal use.  Read the driver source to find out what it does.
411
412	  Say N here, unless you were told by a kernel maintainer to do
413	  otherwise.
414
415config THINKPAD_ACPI_DEBUG
416	bool "Verbose debug mode"
417	depends on THINKPAD_ACPI
418	default n
419	---help---
420	  Enables extra debugging information, at the expense of a slightly
421	  increase in driver size.
422
423	  If you are not sure, say N here.
424
425config THINKPAD_ACPI_UNSAFE_LEDS
426	bool "Allow control of important LEDs (unsafe)"
427	depends on THINKPAD_ACPI
428	default n
429	---help---
430	  Overriding LED state on ThinkPads can mask important
431	  firmware alerts (like critical battery condition), or misled
432	  the user into damaging the hardware (undocking or ejecting
433	  the bay while buses are still active), etc.
434
435	  LED control on the ThinkPad is write-only (with very few
436	  exceptions on very ancient models), which makes it
437	  impossible to know beforehand if important information will
438	  be lost when one changes LED state.
439
440	  Users that know what they are doing can enable this option
441	  and the driver will allow control of every LED, including
442	  the ones on the dock stations.
443
444	  Never enable this option on a distribution kernel.
445
446	  Say N here, unless you are building a kernel for your own
447	  use, and need to control the important firmware LEDs.
448
449config THINKPAD_ACPI_VIDEO
450	bool "Video output control support"
451	depends on THINKPAD_ACPI
452	default y
453	---help---
454	  Allows the thinkpad_acpi driver to provide an interface to control
455	  the various video output ports.
456
457	  This feature often won't work well, depending on ThinkPad model,
458	  display state, video output devices in use, whether there is a X
459	  server running, phase of the moon, and the current mood of
460	  Schroedinger's cat.  If you can use X.org's RandR to control
461	  your ThinkPad's video output ports instead of this feature,
462	  don't think twice: do it and say N here to save memory and avoid
463	  bad interactions with X.org.
464
465	  NOTE: access to this feature is limited to processes with the
466	  CAP_SYS_ADMIN capability, to avoid local DoS issues in platforms
467	  where it interacts badly with X.org.
468
469	  If you are not sure, say Y here but do try to check if you could
470	  be using X.org RandR instead.
471
472config THINKPAD_ACPI_HOTKEY_POLL
473	bool "Support NVRAM polling for hot keys"
474	depends on THINKPAD_ACPI
475	default y
476	---help---
477	  Some thinkpad models benefit from NVRAM polling to detect a few of
478	  the hot key press events.  If you know your ThinkPad model does not
479	  need to do NVRAM polling to support any of the hot keys you use,
480	  unselecting this option will save about 1kB of memory.
481
482	  ThinkPads T40 and newer, R52 and newer, and X31 and newer are
483	  unlikely to need NVRAM polling in their latest BIOS versions.
484
485	  NVRAM polling can detect at most the following keys: ThinkPad/Access
486	  IBM, Zoom, Switch Display (fn+F7), ThinkLight, Volume up/down/mute,
487	  Brightness up/down, Display Expand (fn+F8), Hibernate (fn+F12).
488
489	  If you are not sure, say Y here.  The driver enables polling only if
490	  it is strictly necessary to do so.
491
492config SENSORS_HDAPS
493	tristate "Thinkpad Hard Drive Active Protection System (hdaps)"
494	depends on INPUT && X86
495	select INPUT_POLLDEV
496	default n
497	help
498	  This driver provides support for the IBM Hard Drive Active Protection
499	  System (hdaps), which provides an accelerometer and other misc. data.
500	  ThinkPads starting with the R50, T41, and X40 are supported.  The
501	  accelerometer data is readable via sysfs.
502
503	  This driver also provides an absolute input class device, allowing
504	  the laptop to act as a pinball machine-esque joystick.
505
506	  If your ThinkPad is not recognized by the driver, please update to latest
507	  BIOS. This is especially the case for some R52 ThinkPads.
508
509	  Say Y here if you have an applicable laptop and want to experience
510	  the awesome power of hdaps.
511
512config INTEL_MENLOW
513	tristate "Thermal Management driver for Intel menlow platform"
514	depends on ACPI_THERMAL
515	select THERMAL
516	---help---
517	  ACPI thermal management enhancement driver on
518	  Intel Menlow platform.
519
520	  If unsure, say N.
521
522config EEEPC_LAPTOP
523	tristate "Eee PC Hotkey Driver"
524	depends on ACPI
525	depends on INPUT
526	depends on RFKILL || RFKILL = n
527	depends on ACPI_VIDEO || ACPI_VIDEO = n
528	depends on HOTPLUG_PCI
529	depends on BACKLIGHT_CLASS_DEVICE
530	select HWMON
531	select LEDS_CLASS
532	select NEW_LEDS
533	select INPUT_SPARSEKMAP
534	---help---
535	  This driver supports the Fn-Fx keys on Eee PC laptops.
536
537	  It  also gives access to some extra laptop functionalities like
538	  Bluetooth, backlight and allows powering on/off some other
539	  devices.
540
541	  If you have an Eee PC laptop, say Y or M here. If this driver
542	  doesn't work on your Eee PC, try eeepc-wmi instead.
543
544config ASUS_WMI
545	tristate "ASUS WMI Driver"
546	depends on ACPI_WMI
547	depends on INPUT
548	depends on HWMON
549	depends on BACKLIGHT_CLASS_DEVICE
550	depends on RFKILL || RFKILL = n
551	depends on HOTPLUG_PCI
552	depends on ACPI_VIDEO || ACPI_VIDEO = n
553	select INPUT_SPARSEKMAP
554	select LEDS_CLASS
555	select NEW_LEDS
556	---help---
557	  Say Y here if you have a WMI aware Asus laptop (like Eee PCs or new
558	  Asus Notebooks).
559
560	  To compile this driver as a module, choose M here: the module will
561	  be called asus-wmi.
562
563config ASUS_NB_WMI
564	tristate "Asus Notebook WMI Driver"
565	depends on ASUS_WMI
566	---help---
567	  This is a driver for newer Asus notebooks. It adds extra features
568	  like wireless radio and bluetooth control, leds, hotkeys, backlight...
569
570	  For more information, see
571	  <file:Documentation/ABI/testing/sysfs-platform-asus-wmi>
572
573	  If you have an ACPI-WMI compatible Asus Notebook, say Y or M
574	  here.
575
576config EEEPC_WMI
577	tristate "Eee PC WMI Driver"
578	depends on ASUS_WMI
579	---help---
580	  This is a driver for newer Eee PC laptops. It adds extra features
581	  like wireless radio and bluetooth control, leds, hotkeys, backlight...
582
583	  For more information, see
584	  <file:Documentation/ABI/testing/sysfs-platform-asus-wmi>
585
586	  If you have an ACPI-WMI compatible Eee PC laptop (>= 1000), say Y or M
587	  here.
588
589config ACPI_WMI
590	tristate "WMI"
591	depends on ACPI
592	help
593	  This driver adds support for the ACPI-WMI (Windows Management
594	  Instrumentation) mapper device (PNP0C14) found on some systems.
595
596	  ACPI-WMI is a proprietary extension to ACPI to expose parts of the
597	  ACPI firmware to userspace - this is done through various vendor
598	  defined methods and data blocks in a PNP0C14 device, which are then
599	  made available for userspace to call.
600
601	  The implementation of this in Linux currently only exposes this to
602	  other kernel space drivers.
603
604	  This driver is a required dependency to build the firmware specific
605	  drivers needed on many machines, including Acer and HP laptops.
606
607	  It is safe to enable this driver even if your DSDT doesn't define
608	  any ACPI-WMI devices.
609
610config MSI_WMI
611	tristate "MSI WMI extras"
612	depends on ACPI_WMI
613	depends on INPUT
614	depends on BACKLIGHT_CLASS_DEVICE
615	depends on ACPI_VIDEO || ACPI_VIDEO = n
616	select INPUT_SPARSEKMAP
617	help
618	 Say Y here if you want to support WMI-based hotkeys on MSI laptops.
619
620	 To compile this driver as a module, choose M here: the module will
621	 be called msi-wmi.
622
623config TOPSTAR_LAPTOP
624	tristate "Topstar Laptop Extras"
625	depends on ACPI
626	depends on INPUT
627	select INPUT_SPARSEKMAP
628	---help---
629	  This driver adds support for hotkeys found on Topstar laptops.
630
631	  If you have a Topstar laptop, say Y or M here.
632
633config ACPI_TOSHIBA
634	tristate "Toshiba Laptop Extras"
635	depends on ACPI
636	depends on ACPI_WMI
637	select LEDS_CLASS
638	select NEW_LEDS
639	depends on BACKLIGHT_CLASS_DEVICE
640	depends on INPUT
641	depends on SERIO_I8042 || SERIO_I8042 = n
642	depends on ACPI_VIDEO || ACPI_VIDEO = n
643	select INPUT_POLLDEV
644	select INPUT_SPARSEKMAP
645	---help---
646	  This driver adds support for access to certain system settings
647	  on "legacy free" Toshiba laptops.  These laptops can be recognized by
648	  their lack of a BIOS setup menu and APM support.
649
650	  On these machines, all system configuration is handled through the
651	  ACPI.  This driver is required for access to controls not covered
652	  by the general ACPI drivers, such as LCD brightness, video output,
653	  etc.
654
655	  This driver differs from the non-ACPI Toshiba laptop driver (located
656	  under "Processor type and features") in several aspects.
657	  Configuration is accessed by reading and writing text files in the
658	  /proc tree instead of by program interface to /dev.  Furthermore, no
659	  power management functions are exposed, as those are handled by the
660	  general ACPI drivers.
661
662	  More information about this driver is available at
663	  <http://memebeam.org/toys/ToshibaAcpiDriver>.
664
665	  If you have a legacy free Toshiba laptop (such as the Libretto L1
666	  series), say Y.
667
668config TOSHIBA_BT_RFKILL
669	tristate "Toshiba Bluetooth RFKill switch support"
670	depends on ACPI
671	depends on RFKILL || RFKILL = n
672	---help---
673	  This driver adds support for Bluetooth events for the RFKill
674	  switch on modern Toshiba laptops with full ACPI support and
675	  an RFKill switch.
676
677	  This driver handles RFKill events for the TOS6205 Bluetooth,
678	  and re-enables it when the switch is set back to the 'on'
679	  position.
680
681	  If you have a modern Toshiba laptop with a Bluetooth and an
682	  RFKill switch (such as the Portege R500), say Y.
683
684config TOSHIBA_HAPS
685	tristate "Toshiba HDD Active Protection Sensor"
686	depends on ACPI
687	---help---
688	  This driver adds support for the built-in accelerometer
689	  found on recent Toshiba laptops equipped with HID TOS620A
690	  device.
691
692	  This driver receives ACPI notify events 0x80 when the sensor
693	  detects a sudden move or a harsh vibration, as well as an
694	  ACPI notify event 0x81 whenever the movement or vibration has
695	  been stabilized.
696
697	  Also provides sysfs entries to get/set the desired protection
698	  level and resetting the HDD protection interface.
699
700	  If you have a recent Toshiba laptop with a built-in accelerometer
701	  device, say Y.
702
703config ACPI_CMPC
704	tristate "CMPC Laptop Extras"
705	depends on X86 && ACPI
706	depends on RFKILL || RFKILL=n
707	select INPUT
708	select BACKLIGHT_CLASS_DEVICE
709	default n
710	help
711	  Support for Intel Classmate PC ACPI devices, including some
712	  keys as input device, backlight device, tablet and accelerometer
713	  devices.
714
715config INTEL_SCU_IPC
716	bool "Intel SCU IPC Support"
717	depends on X86_INTEL_MID
718	default y
719	---help---
720	  IPC is used to bridge the communications between kernel and SCU on
721	  some embedded Intel x86 platforms. This is not needed for PC-type
722	  machines.
723
724config INTEL_SCU_IPC_UTIL
725	tristate "Intel SCU IPC utility driver"
726	depends on INTEL_SCU_IPC
727	default y
728	---help---
729	  The IPC Util driver provides an interface with the SCU enabling
730	  low level access for debug work and updating the firmware. Say
731	  N unless you will be doing this on an Intel MID platform.
732
733config GPIO_INTEL_PMIC
734	bool "Intel PMIC GPIO support"
735	depends on INTEL_SCU_IPC && GPIOLIB
736	---help---
737	  Say Y here to support GPIO via the SCU IPC interface
738	  on Intel MID platforms.
739
740config INTEL_MID_POWER_BUTTON
741	tristate "power button driver for Intel MID platforms"
742	depends on INTEL_SCU_IPC && INPUT
743	help
744	  This driver handles the power button on the Intel MID platforms.
745
746	  If unsure, say N.
747
748config INTEL_MFLD_THERMAL
749       tristate "Thermal driver for Intel Medfield platform"
750       depends on MFD_INTEL_MSIC && THERMAL
751       help
752         Say Y here to enable thermal driver support for the  Intel Medfield
753         platform.
754
755config INTEL_IPS
756	tristate "Intel Intelligent Power Sharing"
757	depends on ACPI
758	---help---
759	  Intel Calpella platforms support dynamic power sharing between the
760	  CPU and GPU, maximizing performance in a given TDP.  This driver,
761	  along with the CPU frequency and i915 drivers, provides that
762	  functionality.  If in doubt, say Y here; it will only load on
763	  supported platforms.
764
765config INTEL_IMR
766	bool "Intel Isolated Memory Region support"
767	default n
768	depends on X86_INTEL_QUARK && IOSF_MBI
769	---help---
770	  This option provides a means to manipulate Isolated Memory Regions.
771	  IMRs are a set of registers that define read and write access masks
772	  to prohibit certain system agents from accessing memory with 1 KiB
773	  granularity.
774
775	  IMRs make it possible to control read/write access to an address
776	  by hardware agents inside the SoC. Read and write masks can be
777	  defined for:
778		- eSRAM flush
779		- Dirty CPU snoop (write only)
780		- RMU access
781		- PCI Virtual Channel 0/Virtual Channel 1
782		- SMM mode
783		- Non SMM mode
784
785	  Quark contains a set of eight IMR registers and makes use of those
786	  registers during its bootup process.
787
788	  If you are running on a Galileo/Quark say Y here.
789
790config IBM_RTL
791	tristate "Device driver to enable PRTL support"
792	depends on X86 && PCI
793	---help---
794	 Enable support for IBM Premium Real Time Mode (PRTM).
795	 This module will allow you the enter and exit PRTM in the BIOS via
796	 sysfs on platforms that support this feature.  System in PRTM will
797	 not receive CPU-generated SMIs for recoverable errors.  Use of this
798	 feature without proper support may void your hardware warranty.
799
800	 If the proper BIOS support is found the driver will load and create
801	 /sys/devices/system/ibm_rtl/.  The "state" variable will indicate
802	 whether or not the BIOS is in PRTM.
803	 state = 0 (BIOS SMIs on)
804	 state = 1 (BIOS SMIs off)
805
806config XO1_RFKILL
807	tristate "OLPC XO-1 software RF kill switch"
808	depends on OLPC || COMPILE_TEST
809	depends on RFKILL
810	---help---
811	  Support for enabling/disabling the WLAN interface on the OLPC XO-1
812	  laptop.
813
814config XO15_EBOOK
815	tristate "OLPC XO-1.5 ebook switch"
816	depends on OLPC || COMPILE_TEST
817	depends on ACPI && INPUT
818	---help---
819	  Support for the ebook switch on the OLPC XO-1.5 laptop.
820
821	  This switch is triggered as the screen is rotated and folded down to
822	  convert the device into ebook form.
823
824config SAMSUNG_LAPTOP
825	tristate "Samsung Laptop driver"
826	depends on X86
827	depends on RFKILL || RFKILL = n
828	depends on ACPI_VIDEO || ACPI_VIDEO = n
829	depends on BACKLIGHT_CLASS_DEVICE
830	select LEDS_CLASS
831	select NEW_LEDS
832	---help---
833	  This module implements a driver for a wide range of different
834	  Samsung laptops.  It offers control over the different
835	  function keys, wireless LED, LCD backlight level.
836
837	  It may also provide some sysfs files described in
838	  <file:Documentation/ABI/testing/sysfs-platform-samsung-laptop>
839
840	  To compile this driver as a module, choose M here: the module
841	  will be called samsung-laptop.
842
843config MXM_WMI
844       tristate "WMI support for MXM Laptop Graphics"
845       depends on ACPI_WMI
846       ---help---
847          MXM is a standard for laptop graphics cards, the WMI interface
848	  is required for switchable nvidia graphics machines
849
850config INTEL_OAKTRAIL
851	tristate "Intel Oaktrail Platform Extras"
852	depends on ACPI
853	depends on ACPI_VIDEO || ACPI_VIDEO = n
854	depends on RFKILL && BACKLIGHT_CLASS_DEVICE && ACPI
855	---help---
856	  Intel Oaktrail platform need this driver to provide interfaces to
857	  enable/disable the Camera, WiFi, BT etc. devices. If in doubt, say Y
858	  here; it will only load on supported platforms.
859
860config SAMSUNG_Q10
861	tristate "Samsung Q10 Extras"
862	depends on ACPI
863	select BACKLIGHT_CLASS_DEVICE
864	---help---
865	  This driver provides support for backlight control on Samsung Q10
866	  and related laptops, including Dell Latitude X200.
867
868config APPLE_GMUX
869	tristate "Apple Gmux Driver"
870	depends on ACPI
871	depends on PNP
872	depends on BACKLIGHT_CLASS_DEVICE
873	depends on BACKLIGHT_APPLE=n || BACKLIGHT_APPLE
874	depends on ACPI_VIDEO=n || ACPI_VIDEO
875	---help---
876	  This driver provides support for the gmux device found on many
877	  Apple laptops, which controls the display mux for the hybrid
878	  graphics as well as the backlight. Currently only backlight
879	  control is supported by the driver.
880
881config INTEL_RST
882        tristate "Intel Rapid Start Technology Driver"
883	depends on ACPI
884	---help---
885	  This driver provides support for modifying paramaters on systems
886	  equipped with Intel's Rapid Start Technology. When put in an ACPI
887	  sleep state, these devices will wake after either a configured
888	  timeout or when the system battery reaches a critical state,
889	  automatically copying memory contents to disk. On resume, the
890	  firmware will copy the memory contents back to RAM and resume the OS
891	  as usual.
892
893config INTEL_SMARTCONNECT
894        tristate "Intel Smart Connect disabling driver"
895	depends on ACPI
896	---help---
897	  Intel Smart Connect is a technology intended to permit devices to
898	  update state by resuming for a short period of time at regular
899	  intervals. If a user enables this functionality under Windows and
900	  then reboots into Linux, the system may remain configured to resume
901	  on suspend. In the absence of any userspace to support it, the system
902	  will then remain awake until something triggers another suspend.
903
904	  This driver checks to determine whether the device has Intel Smart
905	  Connect enabled, and if so disables it.
906
907config PVPANIC
908	tristate "pvpanic device support"
909	depends on ACPI
910	---help---
911	  This driver provides support for the pvpanic device.  pvpanic is
912	  a paravirtualized device provided by QEMU; it lets a virtual machine
913	  (guest) communicate panic events to the host.
914
915config INTEL_PMC_IPC
916	tristate "Intel PMC IPC Driver"
917	---help---
918	This driver provides support for PMC control on some Intel platforms.
919	The PMC is an ARC processor which defines IPC commands for communication
920	with other entities in the CPU.
921
922endif # X86_PLATFORM_DEVICES
923