c214e5b639
too, so, instead of descending to the i386 directory, we add some magic to the parent Makefile. These man pages refer to drivers that I'm aware that work on amd64. Most likely there are more, but I'll deal with them later. Approved by: brueffer, philip, takawata
176 lines
5.0 KiB
Groff
176 lines
5.0 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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To compile this driver into the kernel,
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place the following line in your
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kernel configuration file:
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.Bd -ragged -offset indent
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.Cd "device acpi_fujitsu"
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.Ed
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.Pp
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Alternatively, to load the driver as a
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module at boot time, place the following line in
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.Xr loader.conf 5 :
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.Bd -literal -offset indent
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acpi_fujitsu_load="YES"
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.Ed
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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 SYSCTL VARIABLES
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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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.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 shegget@gmail.com ,
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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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