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Linux/drivers/platform/x86/Kconfig

  1 #
  2 # X86 Platform Specific Drivers
  3 #
  4 
  5 menuconfig 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 
 16 if X86_PLATFORM_DEVICES
 17 
 18 config 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 
 39 config 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 
 57 config 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 
 69 config 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 
 94 config 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 
110 config 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 
122 config 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 
134 config 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 
144 config 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 
161 config 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 
179 config 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 
189 config 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 
206 config 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 
214 config 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 
223 config 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 
242 config 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 
253 config 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 
266 config 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 
288 config 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 
300 config 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 
318 config 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 
335 config 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 
341 config 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 
353 config 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 
381 config 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 
404 config 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 
415 config 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 
425 config 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 
449 config 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 
472 config 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 
492 config 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 
512 config 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 
522 config 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 
544 config 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 
563 config 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 
576 config 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 
589 config 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 
610 config 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 
623 config 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 
633 config 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 
668 config 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 
684 config 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 
703 config 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 
715 config 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 
724 config 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 
733 config 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 
740 config 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 
748 config 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 
755 config 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 
765 config 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 
790 config 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 
806 config 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 
814 config 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 
824 config 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 
843 config 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 
850 config 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 
860 config 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 
868 config 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 
881 config 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 
893 config 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 
907 config 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 
915 config 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 
922 endif # X86_PLATFORM_DEVICES

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