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
56 - Auxmac
59 site, http://ibm-acpi.sf.net/. I appreciate any success or failure
63 - ThinkPad model name
64 - a copy of your ACPI tables, using the "acpidump" utility
65 - a copy of the output of dmidecode, with serial numbers
67 - which driver features work and which don't
68 - the observed behavior of non-working features
74 ------------
78 It is located on the menu path: "Device Drivers" -> "X86 Platform
79 Specific Device Drivers" -> "ThinkPad ACPI Laptop Extras".
83 --------
86 used to access the features it provides. One is a legacy procfs-based
88 is a new sysfs-based interface which is not complete yet.
107 thinkpad-acpi's implementation of sysfs interfaces.
109 Also, any bugs in the thinkpad-acpi sysfs driver code or in the
110 thinkpad-acpi's implementation of the sysfs interfaces will be fixed for
112 non-compatible ways. As these interfaces mature both in the kernel and
113 in thinkpad-acpi, such changes should become quite rare.
115 Applications interfacing to the thinkpad-acpi sysfs interfaces must
120 The version of thinkpad-acpi's sysfs interface is exported by the driver
138 --------------
148 -----------------------
152 Version of the thinkpad-acpi sysfs interface, as an unsigned long
156 - major revision
158 - minor revision
160 - bugfix revision
167 Changes to the thinkpad-acpi sysfs interface are only considered
168 non-experimental when they are submitted to Linux mainline, at which
170 may be updated. If you are using any thinkpad-acpi features not yet
175 Changes that are backwards-compatible by nature (e.g. the addition of
184 --------
192 system. Enabling the hotkey functionality of thinkpad-acpi signals the
193 firmware that such a driver is present, and modifies how the ThinkPad
194 firmware will behave in many situations.
211 events. If a key is "masked" (bit set to 0 in the mask), the firmware
212 will handle it. If it is "unmasked", it signals the firmware that
213 thinkpad-acpi would prefer to handle it, if the firmware would be so
221 The driver will filter out any unmasked hotkeys, so even if the firmware
227 Bluetooth by itself in firmware.
230 depending on the ThinkPad model and firmware version. On those
240 echo 0xffffffff > /proc/acpi/ibm/hotkey -- enable all hot keys
241 echo 0 > /proc/acpi/ibm/hotkey -- disable all possible hot keys
242 ... any other 8-hex-digit mask ...
243 echo reset > /proc/acpi/ibm/hotkey -- restore the recommended mask
248 echo enable > /proc/acpi/ibm/hotkey -- does nothing
249 echo disable > /proc/acpi/ibm/hotkey -- returns an error
252 maintain maximum bug-to-bug compatibility, it does not report any masks,
253 nor does it allow one to manipulate the hot key mask when the firmware
267 Returns the hot keys mask when thinkpad-acpi was loaded.
270 the hotkeys that were supported by ancient firmware
276 0: returns -EPERM
281 the firmware, ACPI event generation) for each hot key
289 passively (because the firmware *will* handle them
296 handled by the firmware anyway. Echo it to
302 poll the NVRAM for. This is auto-detected by the driver
303 based on the capabilities reported by the ACPI firmware,
316 events are reported by the firmware and can behave
317 differently (and that behaviour changes with firmware
318 version -- not just with firmware models -- as well as
354 undock. Set to zero for normal wake-ups or wake-ups
392 backwards-compatible way. The MSB shall always be 0x41 for this input
396 been changed in a non-backwards compatible way.
399 backwards-compatible change for this input device.
401 Thinkpad-acpi Hot Key event map (version 0x4101):
407 0x1001 0x00 FN+F1 -
417 off the ThinkLight as side-effect
421 semantics, i.e. sleep-to-RAM).
425 event. The firmware may
433 and W-WAN card if left in control
434 of the firmware. Does not affect
437 radios (Bluetooth+W-WAN+WLAN),
440 0x1006 0x05 FN+F6 -
442 0x1007 0x06 FN+F7 Video output cycle.
451 0x1009 0x08 FN+F9 -
455 0x100B 0x0A FN+F11 -
461 The firmware may refuse to
467 0x100D 0x0C FN+BACKSPACE -
468 0x100E 0x0D FN+INSERT -
469 0x100F 0x0E FN+DELETE -
472 always handled by the firmware
484 always handled by the firmware,
487 0x1013 0x12 FN+PGDOWN -
493 firmware, even when unmasked.
498 firmware, even when unmasked.
503 firmware, even when unmasked.
517 The ThinkPad firmware does not allow one to differentiate when most hot
521 unknown by the driver if the ThinkPad firmware triggered these events on
522 hot key press or release, but the firmware will do it for either one, not
530 In addition to the EV_KEY events, thinkpad-acpi may also issue EV_SW
539 ------------------------------
570 0x4010 Docked into hotplug port replicator (non-ACPI dock)
571 0x4011 Undocked from hotplug port replicator (non-ACPI dock)
588 wake up caused by the firmware will have negated most safety nets...
617 ---------
629 so it is kept across reboots and power-off.
643 disabled through the "bluetooth_enable" thinkpad-acpi device
648 - 0: disables Bluetooth / Bluetooth is disabled
649 - 1: enables Bluetooth / Bluetooth is enabled.
656 Documentation/driver-api/rfkill.rst for details.
659 Video output control -- /proc/acpi/ibm/video
660 --------------------------------------------
662 This feature allows control over the devices used for video output -
665 echo lcd_enable > /proc/acpi/ibm/video
666 echo lcd_disable > /proc/acpi/ibm/video
667 echo crt_enable > /proc/acpi/ibm/video
668 echo crt_disable > /proc/acpi/ibm/video
669 echo dvi_enable > /proc/acpi/ibm/video
670 echo dvi_disable > /proc/acpi/ibm/video
671 echo auto_enable > /proc/acpi/ibm/video
672 echo auto_disable > /proc/acpi/ibm/video
673 echo expand_toggle > /proc/acpi/ibm/video
674 echo video_switch > /proc/acpi/ibm/video
681 Each video output device can be enabled or disabled individually.
682 Reading /proc/acpi/ibm/video shows the status of each device.
684 Automatic video switching can be enabled or disabled. When automatic
685 video switching is enabled, certain events (e.g. opening the lid,
686 docking or undocking) cause the video output device to change
688 and, on the X40, video corruption. By disabling automatic switching,
689 the flickering or video corruption can be avoided.
691 The video_switch command cycles through the available video outputs
692 (it simulates the behavior of Fn-F7).
694 Video expansion can be toggled through this feature. This controls
697 video expansion status cannot be determined through this feature.
700 chips) the X driver configures the video card in a way which prevents
701 Fn-F7 from working. This also disables the video output switching
703 Fn-F7. Video switching on the console should still work.
709 ------------------
729 documentation, in Documentation/leds/leds-class.rst. The ThinkLight LED name
733 cannot be read or if it is unknown, thinkpad-acpi will report it as "off".
738 -----------------
744 This feature is mostly used internally by the ACPI firmware to keep the legacy
758 - 0 - Related to "Volume down" key press
759 - 1 - Related to "Volume up" key press
760 - 2 - Related to "Mute on" key press
761 - 3 - Related to "Access IBM" key press
762 - 4 - Related to "LCD brightness up" key press
763 - 5 - Related to "LCD brightness down" key press
764 - 11 - Related to "toggle screen expansion" key press/function
765 - 12 - Related to "ThinkLight on"
766 - 13 - Related to "ThinkLight off"
767 - 14 - Related to "ThinkLight" key press (toggle ThinkLight)
769 The cmos command interface is prone to firmware split-brain problems, as
775 -----------
791 Unrestricted access to all LEDs requires that thinkpad-acpi be
797 visible to userspace. They are used by the snd-hda-intel audio driver.
812 - 0 - power
813 - 1 - battery (orange)
814 - 2 - battery (green)
815 - 3 - UltraBase/dock
816 - 4 - UltraBay
817 - 5 - UltraBase battery slot
818 - 6 - (unknown)
819 - 7 - standby
820 - 8 - dock status 1
821 - 9 - dock status 2
822 - 10, 11 - (unknown)
823 - 12 - thinkvantage
824 - 13, 14, 15 - (unknown)
832 documentation, in Documentation/leds/leds-class.rst.
842 indicators cannot be read due to an error, thinkpad-acpi will report it as
845 If the thinkpad firmware doesn't support reading the current status,
858 a report to ibm-acpi-devel@lists.sourceforge.net is appreciated.
861 ACPI sounds -- /proc/acpi/ibm/beep
862 ----------------------------------
864 The BEEP method is used internally by the ACPI firmware to provide
868 The commands are non-negative integer numbers::
876 - 0 - stop a sound in progress (but use 17 to stop 16)
877 - 2 - two beeps, pause, third beep ("low battery")
878 - 3 - single beep
879 - 4 - high, followed by low-pitched beep ("unable")
880 - 5 - single beep
881 - 6 - very high, followed by high-pitched beep ("AC/DC")
882 - 7 - high-pitched beep
883 - 9 - three short beeps
884 - 10 - very long beep
885 - 12 - low-pitched beep
886 - 15 - three high-pitched beeps repeating constantly, stop with 0
887 - 16 - one medium-pitched beep repeating constantly, stop with 17
888 - 17 - stop 16
892 -------------------
906 42 42 45 41 36 -128 33 -128
911 48 48 36 52 38 -128 31 -128 48 52 48 -128 -128 -128 -128 -128
914 system-board model (and thus, on ThinkPad model).
921 - 1: CPU
922 - 2: (depends on model)
923 - 3: (depends on model)
924 - 4: GPU
925 - 5: Main battery: main sensor
926 - 6: Bay battery: main sensor
927 - 7: Main battery: secondary sensor
928 - 8: Bay battery: secondary sensor
929 - 9-15: (depends on model)
933 - 2: Mini-PCI
934 - 3: Internal HDD
939 - 2: System board, left side (near PCMCIA slot), reported as HDAPS temp
940 - 3: PCMCIA slot
941 - 9: MCH (northbridge) to DRAM Bus
942 - 10: Clock-generator, mini-pci card and ICH (southbridge), under Mini-PCI
944 - 11: Power regulator, underside of system board, below F2 key
949 - 1: CPU
950 - 2: Main Battery: main sensor
951 - 3: Power Converter
952 - 4: Bay Battery: main sensor
953 - 5: MCH (northbridge)
954 - 6: PCMCIA/ambient
955 - 7: Main Battery: secondary sensor
956 - 8: Bay Battery: secondary sensor
962 Readings from sensors that are not available return -128.
972 thinkpad-acpi thermal sensors are reported through the hwmon
977 -----------------------------------------------
987 - make sure the battery is fully charged
988 - make sure the fan is running
989 - use above mentioned tool to read out the EC
996 embedded controller registers - e.g. make sure nothing else changes
1004 ----------------------
1023 For IBM ThinkPads, there are two interfaces to the firmware for direct
1038 ThinkPad-specific interface. The driver will disable its native
1042 If you want to use the thinkpad-acpi backlight brightness control
1043 instead of the generic ACPI video backlight brightness control for some
1087 because thinkpad-acpi cannot really turn the backlight
1095 Whatever you do, do NOT ever call thinkpad-acpi backlight-level change
1096 interface and the ACPI-based backlight level change interface
1097 (available on newer BIOSes, and driven by the Linux ACPI video driver)
1104 --------------------------------------
1110 NOTE: by default, the volume control interface operates in read-only
1111 mode, as it is supposed to be used for on-screen-display purposes.
1118 the desktop environment to just provide on-screen-display feedback.
1126 ThinkPads have a built-in amplifier and muting circuit that drives the
1129 firmware.
1143 This is a very superior design when compared to the cheap software-only
1144 mute-toggle solution found on normal consumer laptops: you can be
1148 The IBM ThinkPads, and the earlier Lenovo ThinkPads have variable-gain
1149 amplifiers driving the speakers and headphone output, and the firmware
1155 The newer Lenovo models only have firmware mute control, and depend on
1158 key press (there are some firmware bugs in this area) and delivered as
1159 normal key presses to the operating system (thinkpad-acpi is not
1163 The ThinkPad-ACPI volume control
1184 whether your thinkpad has volume control or mute-only control:
1189 please report this to ibm-acpi-devel@lists.sourceforge.net, so that we
1199 ibm-acpi-devel@lists.sourceforge.net.
1206 ---------------------------------------------------------
1217 must be given to thinkpad-acpi.
1231 Most ThinkPad fans work in "levels" at the firmware interface. Level 0
1239 There is also a "full-speed" level, also known as "disengaged" level.
1240 In this level, the EC disables the speed-locked closed-loop fan control,
1246 commands. The full-speed level may take up to two minutes to ramp up to
1248 while the EC is transitioning to the full-speed level.
1268 through thinkpad-acpi.
1270 The thinkpad-acpi kernel driver can be programmed to revert the fan
1300 "full-speed" (without the quotes). Not all ThinkPads support the "auto"
1301 and "full-speed" levels. The driver accepts "disengaged" as an alias for
1302 "full-speed", and reports it as "disengaged" for backwards
1331 is out-of-bounds, and EPERM if it is forbidden. They may also return
1333 to the firmware).
1338 - 0: PWM offline (fan is set to full-speed mode)
1339 - 1: Manual PWM control (use pwm1 to set fan level)
1340 - 2: Hardware PWM control (EC "auto" mode)
1341 - 3: reserved (Software PWM control, not implemented yet)
1345 mode is unsupported, it will return -EINVAL.
1348 Fan level, scaled from the firmware values of 0-7 to the hwmon
1349 scale of 0-255. 0 means fan stopped, 255 means highest normal
1378 ---
1386 This feature shows the presence and current state of the built-in
1390 so it is kept across reboots and power-off.
1398 If the W-WAN card is installed, the following commands can be used::
1406 If the W-WAN card is installed, it can be enabled /
1407 disabled through the "wwan_enable" thinkpad-acpi device
1411 - 0: disables WWAN card / WWAN card is disabled
1412 - 1: enables WWAN card / WWAN card is enabled.
1419 Documentation/driver-api/rfkill.rst for details.
1423 ------------------
1445 -------------------
1455 The property is read-only. If the platform doesn't have support the sysfs
1459 -----------------
1475 Documentation/driver-api/rfkill.rst for details.
1479 -------------------------
1496 fr(French), fr-ch(French(Switzerland)), hu(Hungarian), it(Italy), jp (Japan),
1501 -----------------
1514 - type a
1515 - type b
1517 The property is read-only. If the platform doesn't have support the sysfs
1521 ------
1525 Some newer Thinkpads have a feature called MAC Address Pass-through. This
1526 feature is implemented by the system firmware to provide a system unique MAC,
1528 network. This property enables user-space to easily determine the MAC address
1537 This property is read-only.
1540 -----------------
1548 - 0 = Home mode
1549 - 1 = Web-browser mode
1550 - 2 = Web-conference mode
1551 - 3 = Function mode
1552 - 4 = Layflat mode
1559 ----------------------
1573 Documentation/ABI/testing/sysfs-class-power.
1576 ------------------------------------
1582 echo lcd_disable,crt_enable > /proc/acpi/ibm/video
1584 Commands can also be specified when loading the thinkpad-acpi module,
1587 modprobe thinkpad_acpi hotkey=enable,0xffff video=auto_disable
1591 -------------------------
1625 -----------------------
1627 If thinkpad-acpi refuses to detect your ThinkPad, you can try to specify
1629 not, please contact ibm-acpi-devel@lists.sourceforge.net with a report.
1643 the firmware.
1647 and the hwmon class for libsensors4 (lm-sensors 3)
1651 0x020100: Marker for thinkpad-acpi with hot key NVRAM polling
1656 0x020101: Marker for thinkpad-acpi with hot key NVRAM polling
1680 0x020700: Support for mute-only mixers.
1681 Volume control in read-only mode by default.