xref: /dragonfly/share/man/man4/amdpm.4 (revision f9993810)
1.\" Copyright (c) 2001 Murray Stokely
2.\" Copyright (c) 1999 Takanori Watanabe
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/amdpm.4,v 1.1 2010/02/08 23:30:28 gavin Exp $
27.\"
28.Dd May 3, 2023
29.Dt AMDPM 4
30.Os
31.Sh NAME
32.Nm amdpm
33.Nd AMD 756/766/768/8111 Power Management controller driver
34.Sh SYNOPSIS
35.Cd device smbus
36.Cd device smb
37.Cd device amdpm
38.Sh DESCRIPTION
39This driver provides access to
40.Tn AMD 756/766/768/8111 Power management controllers .
41Currently, only the SMBus 1.0 controller function is implemented.
42The SMBus 2.0 functionality of the AMD 8111 controller is supported via the
43.Xr amdsmb 4
44driver.
45.Pp
46The embedded SMBus controller of the AMD 756 chipset may give you access
47to the monitoring facilities of your mainboard.
48See
49.Xr smb 4
50for writing user code to fetch voltages, temperature and so on from the
51monitoring chip of your mainboard.
52.Sh SEE ALSO
53.Xr amdsmb 4 ,
54.Xr intpm 4 ,
55.Xr smb 4 ,
56.Xr smbus 4
57.Sh HISTORY
58The
59.Nm
60driver first appeared in
61.Fx 4.5 .
62.Sh AUTHORS
63.An -nosplit
64This driver was written by
65.An Matthew C. Forman .
66Based heavily on the
67.Xr alpm 4
68driver by
69.An Nicolas Souchu .
70This manual page was written by
71.An Murray Stokely Aq Mt murray@FreeBSD.org .
72.Sh BUGS
73Only polling mode is supported.
74