viapm(4)

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+.\"	$OpenBSD: viapm.4,v 1.1 2006/01/01 00:37:14 kettenis Exp $
+.\"
+.\" Copyright (c) 2006 Mark Kettenis <kettenis@openbsd.org>
+.\"
+.\" Permission to use, copy, modify, and distribute this software for any
+.\" purpose with or without fee is hereby granted, provided that the above
+.\" copyright notice and this permission notice appear in all copies.
+.\"
+.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+.\"
+.Dd January 1, 2006
+.Dt VIAPM 4
+.Os
+.Sh NAME
+.Nm viapm
+.Nd VIA VT8233/8235/8237 Bus Control and Power Management
+.Sh SYNOPSIS
+.Cd "viapm* at pci?"
+.Cd "iic* at viapm?"
+.Sh DESCRIPTION
+The
+.Nm
+driver provides support for the bus control and power management
+component of the VIA VT8233, VT8235 and VT8237 South Bridges.
+Only the SMBus controller is supported and can be used with the
+.Xr iic 4
+framework.
+.Sh SEE ALSO
+.Xr iic 4 ,
+.Xr intro 4 ,
+.Xr pci 4
+.Sh HISTORY
+The
+.Nm
+driver first appeared in
+.Ox 3.9 .
+.Sh AUTHORS
+The
+.Nm
+driver was written by
+.An Mark Kettenis Aq kettenis@openbsd.org .
+.Sh BUGS
+The driver doesn't support commands with a data buffer size of more
+than 2 bytes.