1.\" 2.\" Copyright (c) 2003 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: src/share/man/man4/man4.i386/acpi_toshiba.4,v 1.5 2004/04/14 00:23:58 njl Exp $ 27.\" $DragonFly: src/share/man/man4/acpi_toshiba.4,v 1.1 2008/08/28 09:47:04 hasso Exp $ 28.\" 29.Dd February 19, 2004 30.Dt ACPI_TOSHIBA 4 i386 31.Os 32.Sh NAME 33.Nm acpi_toshiba 34.Nd Toshiba HCI interface 35.Sh SYNOPSIS 36.Cd "device acpi_toshiba" 37.Sh DESCRIPTION 38HCI is Toshiba's 39.Em "Hardware Control Interface" 40which is somewhat uniform across their models. 41The 42.Nm 43driver allows the user to manipulate HCI-controlled hardware using a number of 44.Xr sysctl 8 45variables. 46.Sh SYSCTLS 47The following sysctls are currently implemented: 48.Bl -tag -width indent 49.It Va hw.acpi.toshiba.force_fan 50Causes active cooling to be forcibly enabled 51.Pq Ql 1 52or disabled 53.Pq Ql 0 54regardless of the current temperature. 55.It Va hw.acpi.toshiba.video_output 56Sets the active display to use according to a bitwise OR of the following: 57.Pp 58.Bl -tag -width indent -compact 59.It Li 0 60No display 61.It Li 1 62LCD 63.It Li 2 64CRT 65.It Li 4 66TV-Out 67.El 68.Pp 69Only some systems (i.e., the Libretto L5) support video switching via 70this hardware-specific driver. 71Use the 72.Xr acpi_video 4 73driver for generic video output support. 74.It Va hw.acpi.toshiba.lcd_brightness 75Makes the LCD backlight brighter or dimmer (higher values are brighter). 76.It Va hw.acpi.toshiba.lcd_backlight 77Turns the LCD backlight on and off. 78.It Va hw.acpi.toshiba.cpu_speed 79Sets the CPU speed to the specified speed. 80This provides functionality similar to the 81.Va hw.acpi.cpu.throttle_state 82variable. 83Higher sysctl values mean lower CPU speeds. 84.El 85.Pp 86Defaults for these variables can be set in 87.Xr sysctl.conf 5 , 88which is parsed at boot-time. 89.Sh TUNABLES 90The 91.Va hw.acpi.toshiba.enable_fn_keys 92tunable enables or disables the function keys on the keyboard. 93Function keys are enabled by default. 94.Pp 95This behaviour can be changed at the 96.Xr loader 8 97prompt or in 98.Xr loader.conf 5 . 99.Sh SEE ALSO 100.Xr acpi 4 , 101.Xr acpi_video 4 , 102.Xr loader.conf 5 , 103.Xr sysctl.conf 5 , 104.Xr sysctl 8 105.Sh HISTORY 106The 107.Nm 108driver first appeared in 109.Fx 5.1 . 110.Sh AUTHORS 111.An -nosplit 112The 113.Nm 114driver was written by 115.An Hiroyuki Aizu Aq aizu@navi.org . 116This manual page was written by 117.An Philip Paeps Aq philip@FreeBSD.org . 118