1.\" 2.\" Copyright (c) 2005 Philip Paeps <philip@FreeBSD.org> 3.\" All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright 9.\" notice, this list of conditions and the following disclaimer. 10.\" 2. Redistributions in binary form must reproduce the above copyright 11.\" notice, this list of conditions and the following disclaimer in the 12.\" documentation and/or other materials provided with the distribution. 13.\" 14.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24.\" SUCH DAMAGE. 25.\" 26.\" $FreeBSD$ 27.\" 28.Dd March 20, 2005 29.Dt ACPI_FUJITSU 4 i386 30.Os 31.Sh NAME 32.Nm acpi_fujitsu 33.Nd Fujitsu Laptop Extras 34.Sh SYNOPSIS 35To compile this driver into the kernel, 36place the following line in your 37kernel configuration file: 38.Bd -ragged -offset indent 39.Cd "device acpi_fujitsu" 40.Ed 41.Pp 42Alternatively, to load the driver as a 43module at boot time, place the following line in 44.Xr loader.conf 5 : 45.Bd -literal -offset indent 46acpi_fujitsu_load="YES" 47.Ed 48.Sh DESCRIPTION 49The 50.Nm 51driver enables the ACPI-controlled buttons on Fujitsu notebooks. 52The button events are sent to userspace via 53.Xr devd 8 , 54and a 55.Xr sysctl 8 56interface is provided to simulate the hardware events. 57.Pp 58Using this driver, one can control the brightness of the display, the volume 59of the speakers, and the internal (eraserhead) mouse pointer. 60.Sh SYSCTL VARIABLES 61These sysctls are currently implemented: 62.Bl -tag -width indent 63.It Va hw.acpi.fujitsu.lcd_brightness 64Makes the LCD backlight brighter or dimmer. 65.It Va hw.acpi.fujitsu.pointer_enable 66Enables or disables the internal mouse pointer. 67.It Va hw.acpi.fujitsu.volume 68Controls the speaker volume. 69.It Va hw.acpi.fujitsu.mute 70Mutes the speakers. 71.El 72.Pp 73Defaults for these sysctls can be set in 74.Xr sysctl.conf 5 . 75.Sh EXAMPLES 76The following can be added to 77.Xr devd.conf 5 78in order to pass button events to a 79.Pa /usr/local/sbin/acpi_oem_exec.sh 80script: 81.Bd -literal -offset indent 82notify 10 { 83 match "system" "ACPI"; 84 match "subsystem" "FUJITSU"; 85 action "/usr/local/sbin/acpi_oem_exec.sh $notify fujitsu"; 86}; 87.Ed 88.Pp 89A possible 90.Pa /usr/local/sbin/acpi_oem_exec.sh 91script might look like: 92.Bd -literal -offset indent 93#!/bin/sh 94# 95if [ "$1" = "" -o "$2" = "" ] 96then 97 echo "usage: $0 notify oem_name" 98 exit 1 99fi 100NOTIFY=`echo $1` 101LOGGER="logger" 102CALC="bc" 103BC_PRECOMMANDS="scale=2" 104ECHO="echo" 105CUT="cut" 106MAX_LCD_BRIGHTNESS=7 107MAX_VOLUME=16 108OEM=$2 109DISPLAY_PIPE=/tmp/acpi_${OEM}_display 110 111case ${NOTIFY} in 112 0x00) 113 LEVEL=`sysctl -n hw.acpi.${OEM}.mute` 114 if [ "$LEVEL" = "1" ] 115 then 116 MESSAGE="volume muted" 117 else 118 MESSAGE="volume unmuted" 119 fi 120 ;; 121 0x01) 122 LEVEL=`sysctl -n hw.acpi.${OEM}.pointer_enable` 123 if [ "$LEVEL" = "1" ] 124 then 125 MESSAGE="pointer enabled" 126 else 127 MESSAGE="pointer disabled" 128 fi 129 ;; 130 0x02) 131 LEVEL=`sysctl -n hw.acpi.${OEM}.lcd_brightness` 132 PERCENT=`${ECHO} "${BC_PRECOMMANDS} ; \\ 133 ${LEVEL} / ${MAX_LCD_BRIGHTNESS} * 100" |\\ 134 ${CALC} | ${CUT} -d . -f 1` 135 MESSAGE="brightness level ${PERCENT}%" 136 ;; 137 0x03) 138 LEVEL=`sysctl -n hw.acpi.${OEM}.volume` 139 PERCENT=`${ECHO} "${BC_PRECOMMANDS} ; \\ 140 ${LEVEL} / ${MAX_VOLUME} * 100" | \\ 141 ${CALC} | ${CUT} -d . -f 1` 142 MESSAGE="volume level ${PERCENT}%" 143 ;; 144 *) 145 ;; 146 esac 147 ${LOGGER} ${MESSAGE} 148 if [ -p ${DISPLAY_PIPE} ] 149 then 150 ${ECHO} ${MESSAGE} >> ${DISPLAY_PIPE} & 151 fi 152exit 0 153.Ed 154.Sh SEE ALSO 155.Xr acpi 4 , 156.Xr sysctl.conf 5 , 157.Xr devd 8 , 158.Xr sysctl 8 159.Sh HISTORY 160The 161.Nm 162driver first appeared in 163.Fx 5.4 . 164.Sh AUTHORS 165.An -nosplit 166The 167.Nm 168driver was written by 169.An Sean Bullington Aq shegget@gmail.com , 170.An Anish Mistry Aq mistry.7@osu.edu , 171and 172.An Marc Santcroos Aq marks@ripe.net . 173.Pp 174This manual page was written by 175.An Philip Paeps Aq philip@FreeBSD.org . 176