xref: /freebsd/share/man/man4/viapm.4 (revision fa9896e082a1046ff4fbc75fcba4d18d1f2efc19)
1ee158a7fSGavin Atkinson.\" Copyright (c) 2002 Nicolas Souchu
2ee158a7fSGavin Atkinson.\" All rights reserved.
3ee158a7fSGavin Atkinson.\"
4ee158a7fSGavin Atkinson.\" Redistribution and use in source and binary forms, with or without
5ee158a7fSGavin Atkinson.\" modification, are permitted provided that the following conditions
6ee158a7fSGavin Atkinson.\" are met:
7ee158a7fSGavin Atkinson.\" 1. Redistributions of source code must retain the above copyright
8ee158a7fSGavin Atkinson.\"    notice, this list of conditions and the following disclaimer.
9ee158a7fSGavin Atkinson.\" 2. Redistributions in binary form must reproduce the above copyright
10ee158a7fSGavin Atkinson.\"    notice, this list of conditions and the following disclaimer in the
11ee158a7fSGavin Atkinson.\"    documentation and/or other materials provided with the distribution.
12ee158a7fSGavin Atkinson.\"
13ee158a7fSGavin Atkinson.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14ee158a7fSGavin Atkinson.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15ee158a7fSGavin Atkinson.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16ee158a7fSGavin Atkinson.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17ee158a7fSGavin Atkinson.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18ee158a7fSGavin Atkinson.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19ee158a7fSGavin Atkinson.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20ee158a7fSGavin Atkinson.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21ee158a7fSGavin Atkinson.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22ee158a7fSGavin Atkinson.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23ee158a7fSGavin Atkinson.\" SUCH DAMAGE.
24ee158a7fSGavin Atkinson.\"
25ee158a7fSGavin Atkinson.Dd April 20, 2002
26ee158a7fSGavin Atkinson.Dt VIAPM 4
27ee158a7fSGavin Atkinson.Os
28ee158a7fSGavin Atkinson.Sh NAME
29ee158a7fSGavin Atkinson.Nm viapm
30ee158a7fSGavin Atkinson.Nd VIA chipsets Power Management controller driver
31ee158a7fSGavin Atkinson.Sh SYNOPSIS
32ee158a7fSGavin Atkinson.Cd device iicbb
33ee158a7fSGavin Atkinson.Cd device iicbus
34ee158a7fSGavin Atkinson.Cd device iicsmb
35ee158a7fSGavin Atkinson.Cd device smbus
36ee158a7fSGavin Atkinson.Cd device smb
37ee158a7fSGavin Atkinson.Cd device viapm
38ee158a7fSGavin Atkinson.Sh DESCRIPTION
39ee158a7fSGavin AtkinsonThis driver provides access to the
40ee158a7fSGavin Atkinson.Tn "VIA chipset Power Management Unit"
41ee158a7fSGavin Atkinsonfamily.
42ee158a7fSGavin AtkinsonThey are
43ee158a7fSGavin AtkinsonVT82C586B, VT82C596A, VT82C596B, VT82C686A and VT8233.
44ee158a7fSGavin Atkinson.Pp
45ee158a7fSGavin AtkinsonThe embedded controller of the VIA chipset may give you access
46ee158a7fSGavin Atkinsonto the monitoring facilities of your mainboard.
47ee158a7fSGavin Atkinson.Pp
48ee158a7fSGavin AtkinsonThe 586B support is made by software whereas other controllers support
49ee158a7fSGavin Atkinsonthe SMBus protocol by hardware.
50ee158a7fSGavin AtkinsonSee
51ee158a7fSGavin Atkinson.Xr smb 4
52ee158a7fSGavin Atkinsonfor writing user code to fetch voltages, temperature and so on from the
53ee158a7fSGavin Atkinsonmonitoring chip of your mainboard.
54ee158a7fSGavin Atkinson.Sh SEE ALSO
55ee158a7fSGavin Atkinson.Xr iicbb 4 ,
56ee158a7fSGavin Atkinson.Xr iicbus 4 ,
57ee158a7fSGavin Atkinson.Xr iicsmb 4 ,
58ee158a7fSGavin Atkinson.Xr smb 4 ,
59ee158a7fSGavin Atkinson.Xr smbus 4
60ee158a7fSGavin Atkinson.Sh HISTORY
61ee158a7fSGavin AtkinsonThe
62ee158a7fSGavin Atkinson.Nm
63ee158a7fSGavin Atkinsonmanual page first appeared in
64ee158a7fSGavin Atkinson.Fx 4.5 .
65ee158a7fSGavin Atkinson.Sh AUTHORS
66ee158a7fSGavin AtkinsonThis
67ee158a7fSGavin Atkinsonmanual page was written by
68*6c899950SBaptiste Daroussin.An Nicolas Souchu Aq Mt nsouch@FreeBSD.org .
69ee158a7fSGavin Atkinson.Sh BUGS
70ee158a7fSGavin AtkinsonOnly polling mode is supported.
71