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.Dd February 8, 2010 27.Dt ACPI_TOSHIBA 4 28.Os 29.Sh NAME 30.Nm acpi_toshiba 31.Nd Toshiba HCI interface 32.Sh SYNOPSIS 33To compile this driver into the kernel, 34place the following line in your 35kernel configuration file: 36.Bd -ragged -offset indent 37.Cd "device acpi_toshiba" 38.Ed 39.Pp 40Alternatively, to load the driver as a 41module at boot time, place the following line in 42.Xr loader.conf 5 : 43.Bd -literal -offset indent 44acpi_toshiba_load="YES" 45.Ed 46.Sh DESCRIPTION 47HCI is Toshiba's 48.Em "Hardware Control Interface" 49which is somewhat uniform across their models. 50The 51.Nm 52driver allows the user to manipulate HCI-controlled hardware using a number of 53.Xr sysctl 8 54variables. 55.Sh SYSCTL VARIABLES 56The following sysctls are currently implemented: 57.Bl -tag -width indent 58.It Va hw.acpi.toshiba.force_fan 59Causes active cooling to be forcibly enabled 60.Pq Ql 1 61or disabled 62.Pq Ql 0 63regardless of the current temperature. 64.It Va hw.acpi.toshiba.video_output 65Sets the active display to use according to a bitwise OR of the following: 66.Pp 67.Bl -tag -width indent -compact 68.It Li 0 69No display 70.It Li 1 71LCD 72.It Li 2 73CRT 74.It Li 4 75TV-Out 76.El 77.Pp 78Only some systems (i.e., the Libretto L5) support video switching via 79this hardware-specific driver. 80Use the 81.Xr acpi_video 4 82driver for generic video output support. 83.It Va hw.acpi.toshiba.lcd_brightness 84Makes the LCD backlight brighter or dimmer (higher values are brighter). 85.It Va hw.acpi.toshiba.lcd_backlight 86Turns the LCD backlight on and off. 87.It Va hw.acpi.toshiba.cpu_speed 88Sets the CPU speed to the specified speed. 89This provides functionality similar to the 90.Va hw.acpi.cpu.throttle_state 91variable. 92Higher sysctl values mean lower CPU speeds. 93.El 94.Pp 95Defaults for these variables can be set in 96.Xr sysctl.conf 5 , 97which is parsed at boot-time. 98.Sh LOADER TUNABLES 99The 100.Va hw.acpi.toshiba.enable_fn_keys 101tunable enables or disables the function keys on the keyboard. 102Function keys are enabled by default. 103.Pp 104This behaviour can be changed at the 105.Xr loader 8 106prompt or in 107.Xr loader.conf 5 . 108.Sh SEE ALSO 109.Xr acpi 4 , 110.Xr acpi_video 4 , 111.Xr loader.conf 5 , 112.Xr sysctl.conf 5 , 113.Xr sysctl 8 114.Sh HISTORY 115The 116.Nm 117driver first appeared in 118.Fx 5.1 . 119.Sh AUTHORS 120.An -nosplit 121The 122.Nm 123driver was written by 124.An Hiroyuki Aizu Aq Mt aizu@navi.org . 125This manual page was written by 126.An Philip Paeps Aq Mt philip@FreeBSD.org . 127