165 lines
4.7 KiB
Groff
165 lines
4.7 KiB
Groff
.\"
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.\" Copyright (c) 2005 Philip Paeps <philip@FreeBSD.org>
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd March 20, 2005
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.Dt ACPI_FUJITSU 4 i386
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.Os
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.Sh NAME
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.Nm acpi_fujitsu
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.Nd Fujitsu Laptop Extras
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.Sh SYNOPSIS
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.Cd "device acpi_fujitsu"
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.Sh DESCRIPTION
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The
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.Nm
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driver enables the ACPI-controlled buttons on Fujitsu notebooks.
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The button events are sent to userspace via
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.Xr devd 8 ,
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and a
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.Xr sysctl 8
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interface is provided to simulate the hardware events.
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.Pp
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Using this driver, one can control the brightness of the display, the volume
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of the speakers, and the internal (eraserhead) mouse pointer.
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.Sh SYSCTLS
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These sysctls are currently implemented:
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.Bl -tag -width indent
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.It Va hw.acpi.fujitsu.lcd_brightness
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Makes the LCD backlight brighter or dimmer.
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.It Va hw.acpi.fujitsu.pointer_enable
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Enables or disables the internal mouse pointer.
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.It Va hw.acpi.fujitsu.volume
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Controls the speaker volume.
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.It Va hw.acpi.fujitsu.mute
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Mutes the speakers.
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.El
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.Pp
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Defaults for these sysctls can be set in
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.Xr sysctl.conf 5 .
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.Sh EXAMPLES
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The following can be added to
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.Xr devd.conf 5
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in order to pass button events to a
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.Pa /usr/local/sbin/acpi_oem_exec.sh
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script:
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.Pp
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.Bd -literal -offset indent
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notify 10 {
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match "system" "ACPI";
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match "subsystem" "FUJITSU";
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action "/usr/local/sbin/acpi_oem_exec.sh $notify fujitsu";
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};
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.Ed
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.Pp
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A possible
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.Pa /usr/local/sbin/acpi_oem_exec.sh
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script might look like:
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.Bd -literal -offset indent
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#!/bin/sh
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#
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if [ "$1" = "" -o "$2" = "" ]
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then
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echo "usage: $0 notify oem_name"
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exit 1
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fi
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NOTIFY=`echo $1`
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LOGGER="logger"
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CALC="bc"
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BC_PRECOMMANDS="scale=2"
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ECHO="echo"
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CUT="cut"
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MAX_LCD_BRIGHTNESS=7
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MAX_VOLUME=16
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OEM=$2
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DISPLAY_PIPE=/tmp/acpi_${OEM}_display
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case ${NOTIFY} in
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0x00)
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LEVEL=`sysctl -n hw.acpi.${OEM}.mute`
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if [ "$LEVEL" = "1" ]
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then
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MESSAGE="volume muted"
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else
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MESSAGE="volume unmuted"
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fi
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;;
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0x01)
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LEVEL=`sysctl -n hw.acpi.${OEM}.pointer_enable`
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if [ "$LEVEL" = "1" ]
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then
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MESSAGE="pointer enabled"
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else
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MESSAGE="pointer disabled"
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fi
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;;
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0x02)
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LEVEL=`sysctl -n hw.acpi.${OEM}.lcd_brightness`
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PERCENT=`${ECHO} "${BC_PRECOMMANDS} ; \\
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${LEVEL} / ${MAX_LCD_BRIGHTNESS} * 100" |\\
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${CALC} | ${CUT} -d . -f 1`
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MESSAGE="brightness level ${PERCENT}%"
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;;
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0x03)
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LEVEL=`sysctl -n hw.acpi.${OEM}.volume`
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PERCENT=`${ECHO} "${BC_PRECOMMANDS} ; \\
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${LEVEL} / ${MAX_VOLUME} * 100" | \\
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${CALC} | ${CUT} -d . -f 1`
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MESSAGE="volume level ${PERCENT}%"
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;;
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*)
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;;
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esac
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${LOGGER} ${MESSAGE}
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if [ -p ${DISPLAY_PIPE} ]
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then
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${ECHO} ${MESSAGE} >> ${DISPLAY_PIPE} &
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fi
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exit 0
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.Ed
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.Sh SEE ALSO
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.Xr acpi 4 ,
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.Xr sysctl.conf 5 ,
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.Xr devd 8 ,
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.Xr sysctl 8
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.Sh HISTORY
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The
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.Nm
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driver first appeared in
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.Fx 5.4 .
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.Sh AUTHORS
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.An -nosplit
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The
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.Nm
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driver was written by
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.An Sean Bullington Aq sean@stalker.org ,
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.An Anish Mistry Aq mistry.7@osu.edu ,
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and
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.An Marc Santcroos Aq marks@ripe.net .
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.Pp
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This manual page was written by
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.An Philip Paeps Aq philip@FreeBSD.org .
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