Lines Matching +full:video +full:- +full:firmware
9 - Borislav Deianov <borislav@users.sf.net>
10 - Henrique de Moraes Holschuh <hmh@hmh.eng.br>
12 http://ibm-acpi.sf.net/
19 This driver used to be named ibm-acpi until kernel 2.6.21 and release
20 0.13-20070314. It used to be in the drivers/acpi tree, but it was
21 moved to the drivers/misc tree and renamed to thinkpad-acpi for kernel
25 The driver is named "thinkpad-acpi". In some places, like module
29 "tpacpi" is used as a shorthand where "thinkpad-acpi" would be too
33 ------
38 - Fn key combinations
39 - Bluetooth enable and disable
40 - video output switching, expansion control
41 - ThinkLight on and off
42 - CMOS/UCMS control
43 - LED control
44 - ACPI sounds
45 - temperature sensors
46 - Experimental: embedded controller register dump
47 - LCD brightness control
48 - Volume control
49 - Fan control and monitoring: fan speed, fan enable/disable
50 - WAN enable and disable
51 - UWB enable and disable
52 - LCD Shadow (PrivacyGuard) enable and disable
53 - Lap mode sensor
54 - Setting keyboard language
55 - WWAN Antenna type
58 site, http://ibm-acpi.sf.net/. I appreciate any success or failure
62 - ThinkPad model name
63 - a copy of your ACPI tables, using the "acpidump" utility
64 - a copy of the output of dmidecode, with serial numbers
66 - which driver features work and which don't
67 - the observed behavior of non-working features
73 ------------
77 It is located on the menu path: "Device Drivers" -> "X86 Platform
78 Specific Device Drivers" -> "ThinkPad ACPI Laptop Extras".
82 --------
85 used to access the features it provides. One is a legacy procfs-based
87 is a new sysfs-based interface which is not complete yet.
106 thinkpad-acpi's implementation of sysfs interfaces.
108 Also, any bugs in the thinkpad-acpi sysfs driver code or in the
109 thinkpad-acpi's implementation of the sysfs interfaces will be fixed for
111 non-compatible ways. As these interfaces mature both in the kernel and
112 in thinkpad-acpi, such changes should become quite rare.
114 Applications interfacing to the thinkpad-acpi sysfs interfaces must
119 The version of thinkpad-acpi's sysfs interface is exported by the driver
137 --------------
147 -----------------------
151 Version of the thinkpad-acpi sysfs interface, as an unsigned long
155 - major revision
157 - minor revision
159 - bugfix revision
166 Changes to the thinkpad-acpi sysfs interface are only considered
167 non-experimental when they are submitted to Linux mainline, at which
169 may be updated. If you are using any thinkpad-acpi features not yet
174 Changes that are backwards-compatible by nature (e.g. the addition of
183 --------
191 system. Enabling the hotkey functionality of thinkpad-acpi signals the
192 firmware that such a driver is present, and modifies how the ThinkPad
193 firmware will behave in many situations.
210 events. If a key is "masked" (bit set to 0 in the mask), the firmware
211 will handle it. If it is "unmasked", it signals the firmware that
212 thinkpad-acpi would prefer to handle it, if the firmware would be so
220 The driver will filter out any unmasked hotkeys, so even if the firmware
226 Bluetooth by itself in firmware.
229 depending on the ThinkPad model and firmware version. On those
239 echo 0xffffffff > /proc/acpi/ibm/hotkey -- enable all hot keys
240 echo 0 > /proc/acpi/ibm/hotkey -- disable all possible hot keys
241 ... any other 8-hex-digit mask ...
242 echo reset > /proc/acpi/ibm/hotkey -- restore the recommended mask
247 echo enable > /proc/acpi/ibm/hotkey -- does nothing
248 echo disable > /proc/acpi/ibm/hotkey -- returns an error
251 maintain maximum bug-to-bug compatibility, it does not report any masks,
252 nor does it allow one to manipulate the hot key mask when the firmware
266 Returns the hot keys mask when thinkpad-acpi was loaded.
269 the hotkeys that were supported by ancient firmware
275 0: returns -EPERM
280 the firmware, ACPI event generation) for each hot key
288 passively (because the firmware *will* handle them
295 handled by the firmware anyway. Echo it to
301 poll the NVRAM for. This is auto-detected by the driver
302 based on the capabilities reported by the ACPI firmware,
315 events are reported by the firmware and can behave
316 differently (and that behaviour changes with firmware
317 version -- not just with firmware models -- as well as
353 undock. Set to zero for normal wake-ups or wake-ups
391 backwards-compatible way. The MSB shall always be 0x41 for this input
395 been changed in a non-backwards compatible way.
398 backwards-compatible change for this input device.
400 Thinkpad-acpi Hot Key event map (version 0x4101):
406 0x1001 0x00 FN+F1 -
416 off the ThinkLight as side-effect
420 semantics, i.e. sleep-to-RAM).
424 event. The firmware may
432 and W-WAN card if left in control
433 of the firmware. Does not affect
436 radios (Bluetooth+W-WAN+WLAN),
439 0x1006 0x05 FN+F6 -
441 0x1007 0x06 FN+F7 Video output cycle.
448 0x1009 0x08 FN+F9 -
452 0x100B 0x0A FN+F11 -
458 The firmware may refuse to
464 0x100D 0x0C FN+BACKSPACE -
465 0x100E 0x0D FN+INSERT -
466 0x100F 0x0E FN+DELETE -
469 always handled by the firmware
481 always handled by the firmware,
484 0x1013 0x12 FN+PGDOWN -
490 firmware, even when unmasked.
495 firmware, even when unmasked.
500 firmware, even when unmasked.
511 The ThinkPad firmware does not allow one to differentiate when most hot
515 unknown by the driver if the ThinkPad firmware triggered these events on
516 hot key press or release, but the firmware will do it for either one, not
524 In addition to the EV_KEY events, thinkpad-acpi may also issue EV_SW
533 ------------------------------
564 0x4010 Docked into hotplug port replicator (non-ACPI dock)
565 0x4011 Undocked from hotplug port replicator (non-ACPI dock)
582 wake up caused by the firmware will have negated most safety nets...
611 ---------
623 so it is kept across reboots and power-off.
637 disabled through the "bluetooth_enable" thinkpad-acpi device
642 - 0: disables Bluetooth / Bluetooth is disabled
643 - 1: enables Bluetooth / Bluetooth is enabled.
650 Documentation/driver-api/rfkill.rst for details.
653 Video output control -- /proc/acpi/ibm/video
654 --------------------------------------------
656 This feature allows control over the devices used for video output -
659 echo lcd_enable > /proc/acpi/ibm/video
660 echo lcd_disable > /proc/acpi/ibm/video
661 echo crt_enable > /proc/acpi/ibm/video
662 echo crt_disable > /proc/acpi/ibm/video
663 echo dvi_enable > /proc/acpi/ibm/video
664 echo dvi_disable > /proc/acpi/ibm/video
665 echo auto_enable > /proc/acpi/ibm/video
666 echo auto_disable > /proc/acpi/ibm/video
667 echo expand_toggle > /proc/acpi/ibm/video
668 echo video_switch > /proc/acpi/ibm/video
675 Each video output device can be enabled or disabled individually.
676 Reading /proc/acpi/ibm/video shows the status of each device.
678 Automatic video switching can be enabled or disabled. When automatic
679 video switching is enabled, certain events (e.g. opening the lid,
680 docking or undocking) cause the video output device to change
682 and, on the X40, video corruption. By disabling automatic switching,
683 the flickering or video corruption can be avoided.
685 The video_switch command cycles through the available video outputs
686 (it simulates the behavior of Fn-F7).
688 Video expansion can be toggled through this feature. This controls
691 video expansion status cannot be determined through this feature.
694 chips) the X driver configures the video card in a way which prevents
695 Fn-F7 from working. This also disables the video output switching
697 Fn-F7. Video switching on the console should still work.
703 ------------------
723 documentation, in Documentation/leds/leds-class.rst. The ThinkLight LED name
727 cannot be read or if it is unknown, thinkpad-acpi will report it as "off".
732 -----------------
738 This feature is mostly used internally by the ACPI firmware to keep the legacy
752 - 0 - Related to "Volume down" key press
753 - 1 - Related to "Volume up" key press
754 - 2 - Related to "Mute on" key press
755 - 3 - Related to "Access IBM" key press
756 - 4 - Related to "LCD brightness up" key press
757 - 5 - Related to "LCD brightness down" key press
758 - 11 - Related to "toggle screen expansion" key press/function
759 - 12 - Related to "ThinkLight on"
760 - 13 - Related to "ThinkLight off"
761 - 14 - Related to "ThinkLight" key press (toggle ThinkLight)
763 The cmos command interface is prone to firmware split-brain problems, as
769 -----------
785 Unrestricted access to all LEDs requires that thinkpad-acpi be
791 visible to userspace. They are used by the snd-hda-intel audio driver.
806 - 0 - power
807 - 1 - battery (orange)
808 - 2 - battery (green)
809 - 3 - UltraBase/dock
810 - 4 - UltraBay
811 - 5 - UltraBase battery slot
812 - 6 - (unknown)
813 - 7 - standby
814 - 8 - dock status 1
815 - 9 - dock status 2
816 - 10, 11 - (unknown)
817 - 12 - thinkvantage
818 - 13, 14, 15 - (unknown)
826 documentation, in Documentation/leds/leds-class.rst.
836 indicators cannot be read due to an error, thinkpad-acpi will report it as
839 If the thinkpad firmware doesn't support reading the current status,
852 a report to ibm-acpi-devel@lists.sourceforge.net is appreciated.
855 ACPI sounds -- /proc/acpi/ibm/beep
856 ----------------------------------
858 The BEEP method is used internally by the ACPI firmware to provide
862 The commands are non-negative integer numbers::
870 - 0 - stop a sound in progress (but use 17 to stop 16)
871 - 2 - two beeps, pause, third beep ("low battery")
872 - 3 - single beep
873 - 4 - high, followed by low-pitched beep ("unable")
874 - 5 - single beep
875 - 6 - very high, followed by high-pitched beep ("AC/DC")
876 - 7 - high-pitched beep
877 - 9 - three short beeps
878 - 10 - very long beep
879 - 12 - low-pitched beep
880 - 15 - three high-pitched beeps repeating constantly, stop with 0
881 - 16 - one medium-pitched beep repeating constantly, stop with 17
882 - 17 - stop 16
886 -------------------
900 42 42 45 41 36 -128 33 -128
905 48 48 36 52 38 -128 31 -128 48 52 48 -128 -128 -128 -128 -128
908 system-board model (and thus, on ThinkPad model).
915 - 1: CPU
916 - 2: (depends on model)
917 - 3: (depends on model)
918 - 4: GPU
919 - 5: Main battery: main sensor
920 - 6: Bay battery: main sensor
921 - 7: Main battery: secondary sensor
922 - 8: Bay battery: secondary sensor
923 - 9-15: (depends on model)
927 - 2: Mini-PCI
928 - 3: Internal HDD
933 - 2: System board, left side (near PCMCIA slot), reported as HDAPS temp
934 - 3: PCMCIA slot
935 - 9: MCH (northbridge) to DRAM Bus
936 - 10: Clock-generator, mini-pci card and ICH (southbridge), under Mini-PCI
938 - 11: Power regulator, underside of system board, below F2 key
943 - 1: CPU
944 - 2: Main Battery: main sensor
945 - 3: Power Converter
946 - 4: Bay Battery: main sensor
947 - 5: MCH (northbridge)
948 - 6: PCMCIA/ambient
949 - 7: Main Battery: secondary sensor
950 - 8: Bay Battery: secondary sensor
956 Readings from sensors that are not available return -128.
966 thinkpad-acpi thermal sensors are reported through the hwmon
971 -----------------------------------------------
981 - make sure the battery is fully charged
982 - make sure the fan is running
983 - use above mentioned tool to read out the EC
990 embedded controller registers - e.g. make sure nothing else changes
998 ----------------------
1017 For IBM ThinkPads, there are two interfaces to the firmware for direct
1032 ThinkPad-specific interface. The driver will disable its native
1036 If you want to use the thinkpad-acpi backlight brightness control
1037 instead of the generic ACPI video backlight brightness control for some
1081 because thinkpad-acpi cannot really turn the backlight
1089 Whatever you do, do NOT ever call thinkpad-acpi backlight-level change
1090 interface and the ACPI-based backlight level change interface
1091 (available on newer BIOSes, and driven by the Linux ACPI video driver)
1098 --------------------------------------
1104 NOTE: by default, the volume control interface operates in read-only
1105 mode, as it is supposed to be used for on-screen-display purposes.
1112 the desktop environment to just provide on-screen-display feedback.
1120 ThinkPads have a built-in amplifier and muting circuit that drives the
1123 firmware.
1137 This is a very superior design when compared to the cheap software-only
1138 mute-toggle solution found on normal consumer laptops: you can be
1142 The IBM ThinkPads, and the earlier Lenovo ThinkPads have variable-gain
1143 amplifiers driving the speakers and headphone output, and the firmware
1149 The newer Lenovo models only have firmware mute control, and depend on
1152 key press (there are some firmware bugs in this area) and delivered as
1153 normal key presses to the operating system (thinkpad-acpi is not
1157 The ThinkPad-ACPI volume control
1178 whether your thinkpad has volume control or mute-only control:
1183 please report this to ibm-acpi-devel@lists.sourceforge.net, so that we
1193 ibm-acpi-devel@lists.sourceforge.net.
1200 ---------------------------------------------------------
1211 must be given to thinkpad-acpi.
1225 Most ThinkPad fans work in "levels" at the firmware interface. Level 0
1233 There is also a "full-speed" level, also known as "disengaged" level.
1234 In this level, the EC disables the speed-locked closed-loop fan control,
1240 commands. The full-speed level may take up to two minutes to ramp up to
1242 while the EC is transitioning to the full-speed level.
1262 through thinkpad-acpi.
1264 The thinkpad-acpi kernel driver can be programmed to revert the fan
1294 "full-speed" (without the quotes). Not all ThinkPads support the "auto"
1295 and "full-speed" levels. The driver accepts "disengaged" as an alias for
1296 "full-speed", and reports it as "disengaged" for backwards
1325 is out-of-bounds, and EPERM if it is forbidden. They may also return
1327 to the firmware).
1332 - 0: PWM offline (fan is set to full-speed mode)
1333 - 1: Manual PWM control (use pwm1 to set fan level)
1334 - 2: Hardware PWM control (EC "auto" mode)
1335 - 3: reserved (Software PWM control, not implemented yet)
1339 mode is unsupported, it will return -EINVAL.
1342 Fan level, scaled from the firmware values of 0-7 to the hwmon
1343 scale of 0-255. 0 means fan stopped, 255 means highest normal
1372 ---
1380 This feature shows the presence and current state of the built-in
1384 so it is kept across reboots and power-off.
1392 If the W-WAN card is installed, the following commands can be used::
1400 If the W-WAN card is installed, it can be enabled /
1401 disabled through the "wwan_enable" thinkpad-acpi device
1405 - 0: disables WWAN card / WWAN card is disabled
1406 - 1: enables WWAN card / WWAN card is enabled.
1413 Documentation/driver-api/rfkill.rst for details.
1417 ------------------
1439 -------------------
1449 The property is read-only. If the platform doesn't have support the sysfs
1453 -----------------
1469 Documentation/driver-api/rfkill.rst for details.
1473 -------------------------
1490 fr(French), fr-ch(French(Switzerland)), hu(Hungarian), it(Italy), jp (Japan),
1495 -----------------
1508 - type a
1509 - type b
1511 The property is read-only. If the platform doesn't have support the sysfs
1515 -----------------
1523 - 0 = Home mode
1524 - 1 = Web-browser mode
1525 - 2 = Web-conference mode
1526 - 3 = Function mode
1527 - 4 = Layflat mode
1534 ----------------------
1548 Documentation/ABI/testing/sysfs-class-power.
1551 ------------------------------------
1557 echo lcd_disable,crt_enable > /proc/acpi/ibm/video
1559 Commands can also be specified when loading the thinkpad-acpi module,
1562 modprobe thinkpad_acpi hotkey=enable,0xffff video=auto_disable
1566 -------------------------
1600 -----------------------
1602 If thinkpad-acpi refuses to detect your ThinkPad, you can try to specify
1604 not, please contact ibm-acpi-devel@lists.sourceforge.net with a report.
1618 the firmware.
1622 and the hwmon class for libsensors4 (lm-sensors 3)
1626 0x020100: Marker for thinkpad-acpi with hot key NVRAM polling
1631 0x020101: Marker for thinkpad-acpi with hot key NVRAM polling
1655 0x020700: Support for mute-only mixers.
1656 Volume control in read-only mode by default.