Linux kernel & device driver programming

Cross-Referenced Linux and Device Driver Code

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Version: [ 2.6.11.8 ] [ 2.6.25 ] [ 2.6.25.8 ] [ 2.6.31.13 ] Architecture: [ i386 ]
  1 #
  2 # X86 Platform Specific Drivers
  3 #
  4 
  5 menuconfig X86_PLATFORM_DEVICES
  6         bool "X86 Platform Specific Device Drivers"
  7         default y
  8         ---help---
  9           Say Y here to get to see options for device drivers for various
 10           x86 platforms, including vendor-specific laptop extension drivers.
 11           This option alone does not add any kernel code.
 12 
 13           If you say N, all options in this submenu will be skipped and disabled.
 14 
 15 if X86_PLATFORM_DEVICES
 16 
 17 config ACER_WMI
 18         tristate "Acer WMI Laptop Extras"
 19         depends on ACPI
 20         depends on LEDS_CLASS
 21         depends on NEW_LEDS
 22         depends on BACKLIGHT_CLASS_DEVICE
 23         depends on SERIO_I8042
 24         depends on RFKILL || RFKILL = n
 25         select ACPI_WMI
 26         ---help---
 27           This is a driver for newer Acer (and Wistron) laptops. It adds
 28           wireless radio and bluetooth control, and on some laptops,
 29           exposes the mail LED and LCD backlight.
 30 
 31           For more information about this driver see
 32           <file:Documentation/laptops/acer-wmi.txt>
 33 
 34           If you have an ACPI-WMI compatible Acer/ Wistron laptop, say Y or M
 35           here.
 36 
 37 config ACERHDF
 38         tristate "Acer Aspire One temperature and fan driver"
 39         depends on THERMAL && THERMAL_HWMON && ACPI
 40         ---help---
 41           This is a driver for Acer Aspire One netbooks. It allows to access
 42           the temperature sensor and to control the fan.
 43 
 44           After loading this driver the BIOS is still in control of the fan.
 45           To let the kernel handle the fan, do:
 46           echo -n enabled > /sys/class/thermal/thermal_zone0/mode
 47 
 48           For more information about this driver see
 49           <http://piie.net/files/acerhdf_README.txt>
 50 
 51           If you have an Acer Aspire One netbook, say Y or M
 52           here.
 53 
 54 config ASUS_LAPTOP
 55         tristate "Asus Laptop Extras"
 56         depends on ACPI
 57         depends on !ACPI_ASUS
 58         select LEDS_CLASS
 59         select NEW_LEDS
 60         select BACKLIGHT_CLASS_DEVICE
 61         depends on INPUT
 62         ---help---
 63           This is the new Linux driver for Asus laptops. It may also support some
 64           MEDION, JVC or VICTOR laptops. It makes all the extra buttons generate
 65           standard ACPI events and input events. It also adds
 66           support for video output switching, LCD backlight control, Bluetooth and
 67           Wlan control, and most importantly, allows you to blink those fancy LEDs.
 68 
 69           For more information and a userspace daemon for handling the extra
 70           buttons see <http://acpi4asus.sf.net>.
 71 
 72           If you have an ACPI-compatible ASUS laptop, say Y or M here.
 73 
 74 config DELL_LAPTOP
 75         tristate "Dell Laptop Extras (EXPERIMENTAL)"
 76         depends on X86
 77         depends on DCDBAS
 78         depends on EXPERIMENTAL
 79         depends on BACKLIGHT_CLASS_DEVICE
 80         depends on RFKILL || RFKILL = n
 81         depends on POWER_SUPPLY
 82         default n
 83         ---help---
 84         This driver adds support for rfkill and backlight control to Dell
 85         laptops.
 86 
 87 config DELL_WMI
 88         tristate "Dell WMI extras"
 89         depends on ACPI_WMI
 90         depends on INPUT
 91         ---help---
 92           Say Y here if you want to support WMI-based hotkeys on Dell laptops.
 93 
 94           To compile this driver as a module, choose M here: the module will
 95           be called dell-wmi.
 96 
 97 config FUJITSU_LAPTOP
 98         tristate "Fujitsu Laptop Extras"
 99         depends on ACPI
100         depends on INPUT
101         depends on BACKLIGHT_CLASS_DEVICE
102         ---help---
103           This is a driver for laptops built by Fujitsu:
104 
105             * P2xxx/P5xxx/S6xxx/S7xxx series Lifebooks
106             * Possibly other Fujitsu laptop models
107             * Tested with S6410 and S7020
108 
109           It adds support for LCD brightness control and some hotkeys.
110 
111           If you have a Fujitsu laptop, say Y or M here.
112 
113 config FUJITSU_LAPTOP_DEBUG
114         bool "Verbose debug mode for Fujitsu Laptop Extras"
115         depends on FUJITSU_LAPTOP
116         default n
117         ---help---
118           Enables extra debug output from the fujitsu extras driver, at the
119           expense of a slight increase in driver size.
120 
121           If you are not sure, say N here.
122 
123 config TC1100_WMI
124         tristate "HP Compaq TC1100 Tablet WMI Extras (EXPERIMENTAL)"
125         depends on !X86_64
126         depends on EXPERIMENTAL
127         depends on ACPI
128         select ACPI_WMI
129         ---help---
130           This is a driver for the WMI extensions (wireless and bluetooth power
131           control) of the HP Compaq TC1100 tablet.
132 
133 config HP_WMI
134         tristate "HP WMI extras"
135         depends on ACPI_WMI
136         depends on INPUT
137         depends on RFKILL || RFKILL = n
138         help
139          Say Y here if you want to support WMI-based hotkeys on HP laptops and
140          to read data from WMI such as docking or ambient light sensor state.
141 
142          To compile this driver as a module, choose M here: the module will
143          be called hp-wmi.
144 
145 config MSI_LAPTOP
146         tristate "MSI Laptop Extras"
147         depends on ACPI
148         depends on BACKLIGHT_CLASS_DEVICE
149         ---help---
150           This is a driver for laptops built by MSI (MICRO-STAR
151           INTERNATIONAL):
152 
153           MSI MegaBook S270 (MS-1013)
154           Cytron/TCM/Medion/Tchibo MD96100/SAM2000
155 
156           It adds support for Bluetooth, WLAN and LCD brightness control.
157 
158           More information about this driver is available at
159           <http://0pointer.de/lennart/tchibo.html>.
160 
161           If you have an MSI S270 laptop, say Y or M here.
162 
163 config PANASONIC_LAPTOP
164         tristate "Panasonic Laptop Extras"
165         depends on INPUT && ACPI
166         depends on BACKLIGHT_CLASS_DEVICE
167         ---help---
168           This driver adds support for access to backlight control and hotkeys
169           on Panasonic Let's Note laptops.
170 
171           If you have a Panasonic Let's note laptop (such as the R1(N variant),
172           R2, R3, R5, T2, W2 and Y2 series), say Y.
173 
174 config COMPAL_LAPTOP
175         tristate "Compal Laptop Extras"
176         depends on ACPI
177         depends on BACKLIGHT_CLASS_DEVICE
178         ---help---
179           This is a driver for laptops built by Compal:
180 
181           Compal FL90/IFL90
182           Compal FL91/IFL91
183           Compal FL92/JFL92
184           Compal FT00/IFT00
185 
186           It adds support for Bluetooth, WLAN and LCD brightness control.
187 
188           If you have an Compal FL9x/IFL9x/FT00 laptop, say Y or M here.
189 
190 config SONY_LAPTOP
191         tristate "Sony Laptop Extras"
192         depends on ACPI
193         select BACKLIGHT_CLASS_DEVICE
194         depends on INPUT
195         depends on RFKILL
196           ---help---
197           This mini-driver drives the SNC and SPIC devices present in the ACPI
198           BIOS of the Sony Vaio laptops.
199 
200           It gives access to some extra laptop functionalities like Bluetooth,
201           screen brightness control, Fn keys and allows powering on/off some
202           devices.
203 
204           Read <file:Documentation/laptops/sony-laptop.txt> for more information.
205 
206 config SONYPI_COMPAT
207         bool "Sonypi compatibility"
208         depends on SONY_LAPTOP
209           ---help---
210           Build the sonypi driver compatibility code into the sony-laptop driver.
211 
212 config THINKPAD_ACPI
213         tristate "ThinkPad ACPI Laptop Extras"
214         depends on ACPI
215         depends on INPUT
216         depends on RFKILL || RFKILL = n
217         select BACKLIGHT_LCD_SUPPORT
218         select BACKLIGHT_CLASS_DEVICE
219         select HWMON
220         select NVRAM
221         select NEW_LEDS
222         select LEDS_CLASS
223         ---help---
224           This is a driver for the IBM and Lenovo ThinkPad laptops. It adds
225           support for Fn-Fx key combinations, Bluetooth control, video
226           output switching, ThinkLight control, UltraBay eject and more.
227           For more information about this driver see
228           <file:Documentation/laptops/thinkpad-acpi.txt> and
229           <http://ibm-acpi.sf.net/> .
230 
231           This driver was formerly known as ibm-acpi.
232 
233           If you have an IBM or Lenovo ThinkPad laptop, say Y or M here.
234 
235 config THINKPAD_ACPI_DEBUGFACILITIES
236         bool "Maintainer debug facilities"
237         depends on THINKPAD_ACPI
238         default n
239         ---help---
240           Enables extra stuff in the thinkpad-acpi which is completely useless
241           for normal use.  Read the driver source to find out what it does.
242 
243           Say N here, unless you were told by a kernel maintainer to do
244           otherwise.
245 
246 config THINKPAD_ACPI_DEBUG
247         bool "Verbose debug mode"
248         depends on THINKPAD_ACPI
249         default n
250         ---help---
251           Enables extra debugging information, at the expense of a slightly
252           increase in driver size.
253 
254           If you are not sure, say N here.
255 
256 config THINKPAD_ACPI_UNSAFE_LEDS
257         bool "Allow control of important LEDs (unsafe)"
258         depends on THINKPAD_ACPI
259         default n
260         ---help---
261           Overriding LED state on ThinkPads can mask important
262           firmware alerts (like critical battery condition), or misled
263           the user into damaging the hardware (undocking or ejecting
264           the bay while buses are still active), etc.
265 
266           LED control on the ThinkPad is write-only (with very few
267           exceptions on very ancient models), which makes it
268           impossible to know beforehand if important information will
269           be lost when one changes LED state.
270 
271           Users that know what they are doing can enable this option
272           and the driver will allow control of every LED, including
273           the ones on the dock stations.
274 
275           Never enable this option on a distribution kernel.
276 
277           Say N here, unless you are building a kernel for your own
278           use, and need to control the important firmware LEDs.
279 
280 config THINKPAD_ACPI_VIDEO
281         bool "Video output control support"
282         depends on THINKPAD_ACPI
283         default y
284         ---help---
285           Allows the thinkpad_acpi driver to provide an interface to control
286           the various video output ports.
287 
288           This feature often won't work well, depending on ThinkPad model,
289           display state, video output devices in use, whether there is a X
290           server running, phase of the moon, and the current mood of
291           Schroedinger's cat.  If you can use X.org's RandR to control
292           your ThinkPad's video output ports instead of this feature,
293           don't think twice: do it and say N here to save some memory.
294 
295           If you are not sure, say Y here.
296 
297 config THINKPAD_ACPI_HOTKEY_POLL
298         bool "Support NVRAM polling for hot keys"
299         depends on THINKPAD_ACPI
300         default y
301         ---help---
302           Some thinkpad models benefit from NVRAM polling to detect a few of
303           the hot key press events.  If you know your ThinkPad model does not
304           need to do NVRAM polling to support any of the hot keys you use,
305           unselecting this option will save about 1kB of memory.
306 
307           ThinkPads T40 and newer, R52 and newer, and X31 and newer are
308           unlikely to need NVRAM polling in their latest BIOS versions.
309 
310           NVRAM polling can detect at most the following keys: ThinkPad/Access
311           IBM, Zoom, Switch Display (fn+F7), ThinkLight, Volume up/down/mute,
312           Brightness up/down, Display Expand (fn+F8), Hibernate (fn+F12).
313 
314           If you are not sure, say Y here.  The driver enables polling only if
315           it is strictly necessary to do so.
316 
317 config INTEL_MENLOW
318         tristate "Thermal Management driver for Intel menlow platform"
319         depends on ACPI_THERMAL
320         select THERMAL
321         ---help---
322           ACPI thermal management enhancement driver on
323           Intel Menlow platform.
324 
325           If unsure, say N.
326 
327 config EEEPC_LAPTOP
328         tristate "Eee PC Hotkey Driver (EXPERIMENTAL)"
329         depends on ACPI
330         depends on INPUT
331         depends on EXPERIMENTAL
332         depends on RFKILL || RFKILL = n
333         depends on HOTPLUG_PCI
334         select BACKLIGHT_CLASS_DEVICE
335         select HWMON
336         ---help---
337           This driver supports the Fn-Fx keys on Eee PC laptops.
338 
339           It  also gives access to some extra laptop functionalities like
340           Bluetooth, backlight and allows powering on/off some other
341           devices.
342 
343           If you have an Eee PC laptop, say Y or M here.
344 
345 
346 config ACPI_WMI
347         tristate "WMI"
348         depends on ACPI
349         help
350           This driver adds support for the ACPI-WMI (Windows Management
351           Instrumentation) mapper device (PNP0C14) found on some systems.
352 
353           ACPI-WMI is a proprietary extension to ACPI to expose parts of the
354           ACPI firmware to userspace - this is done through various vendor
355           defined methods and data blocks in a PNP0C14 device, which are then
356           made available for userspace to call.
357 
358           The implementation of this in Linux currently only exposes this to
359           other kernel space drivers.
360 
361           This driver is a required dependency to build the firmware specific
362           drivers needed on many machines, including Acer and HP laptops.
363 
364           It is safe to enable this driver even if your DSDT doesn't define
365           any ACPI-WMI devices.
366 
367 config ACPI_ASUS
368         tristate "ASUS/Medion Laptop Extras (DEPRECATED)"
369         depends on ACPI
370         select BACKLIGHT_CLASS_DEVICE
371         ---help---
372           This driver provides support for extra features of ACPI-compatible
373           ASUS laptops. As some of Medion laptops are made by ASUS, it may also
374           support some Medion laptops (such as 9675 for example).  It makes all
375           the extra buttons generate standard ACPI events that go through
376           /proc/acpi/events, and (on some models) adds support for changing the
377           display brightness and output, switching the LCD backlight on and off,
378           and most importantly, allows you to blink those fancy LEDs intended
379           for reporting mail and wireless status.
380 
381           Note: display switching code is currently considered EXPERIMENTAL,
382           toying with these values may even lock your machine.
383 
384           All settings are changed via /proc/acpi/asus directory entries. Owner
385           and group for these entries can be set with asus_uid and asus_gid
386           parameters.
387 
388           More information and a userspace daemon for handling the extra buttons
389           at <http://acpi4asus.sf.net>.
390 
391           If you have an ACPI-compatible ASUS laptop, say Y or M here. This
392           driver is still under development, so if your laptop is unsupported or
393           something works not quite as expected, please use the mailing list
394           available on the above page (acpi4asus-user@lists.sourceforge.net).
395 
396           NOTE: This driver is deprecated and will probably be removed soon,
397           use asus-laptop instead.
398 
399 config ACPI_TOSHIBA
400         tristate "Toshiba Laptop Extras"
401         depends on ACPI
402         depends on INPUT
403         depends on RFKILL || RFKILL = n
404         select INPUT_POLLDEV
405         select BACKLIGHT_CLASS_DEVICE
406         ---help---
407           This driver adds support for access to certain system settings
408           on "legacy free" Toshiba laptops.  These laptops can be recognized by
409           their lack of a BIOS setup menu and APM support.
410 
411           On these machines, all system configuration is handled through the
412           ACPI.  This driver is required for access to controls not covered
413           by the general ACPI drivers, such as LCD brightness, video output,
414           etc.
415 
416           This driver differs from the non-ACPI Toshiba laptop driver (located
417           under "Processor type and features") in several aspects.
418           Configuration is accessed by reading and writing text files in the
419           /proc tree instead of by program interface to /dev.  Furthermore, no
420           power management functions are exposed, as those are handled by the
421           general ACPI drivers.
422 
423           More information about this driver is available at
424           <http://memebeam.org/toys/ToshibaAcpiDriver>.
425 
426           If you have a legacy free Toshiba laptop (such as the Libretto L1
427           series), say Y.
428 endif # X86_PLATFORM_DEVICES
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