1.\" $NetBSD: acpitz.4,v 1.6 2007/09/05 12:05:14 xtraeme Exp $ 2.\" 3.\" Copyright (c) 2003, 2004 The NetBSD Foundation, Inc. 4.\" All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 3. All advertising materials mentioning features or use of this software 15.\" must display the following acknowledgement: 16.\" This product includes software developed by the NetBSD 17.\" Foundation, Inc. and its contributors. 18.\" 4. Neither the name of The NetBSD Foundation nor the names of its 19.\" contributors may be used to endorse or promote products derived 20.\" from this software without specific prior written permission. 21.\" 22.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 23.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 24.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 25.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 26.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32.\" POSSIBILITY OF SUCH DAMAGE. 33.\" 34.Dd September 5, 2007 35.Dt ACPITZ 4 36.Os 37.Sh NAME 38.Nm acpitz 39.Nd ACPI Thermal Zone 40.Sh SYNOPSIS 41.Cd "acpitz* at acpi?" 42.Sh DESCRIPTION 43The 44.Nm 45driver supports ACPI Thermal Zones. 46.Pp 47The temperature can be monitored by the 48.Xr envsys 4 49API or the 50.Xr envstat 8 51command. 52.Sh EVENTS 53The 54.Nm 55driver is able to send events to powerd(8) when sensor's state has changed. 56When a Thermal Zone is critical, a 57.Em critical 58event will be sent or if the Thermal Zone is hot, a 59.Em warning-over 60event will be sent to the 61.Pa /etc/powerd/scripts/sensor_temperature 62script. 63.Sh SEE ALSO 64.Xr acpi 4 , 65.Xr envsys 4 , 66.Xr envstat 8 , 67.Xr powerd 8 68.Sh HISTORY 69The 70.Nm 71driver 72appeared in 73.Nx 2.0 . 74.Sh BUGS 75Any policy control such as fan control is not implemented. 76