.\"	$NetBSD: ichsmb.4,v 1.6 2017/03/16 05:18:14 snj Exp $
.\"	$OpenBSD: ichiic.4,v 1.10 2007/05/31 19:19:50 jmc Exp $
.\"
.\" Copyright (c) 2005 Alexander Yurchenko <grange@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 March 16, 2017
.Dt ICHSMB 4
.Os
.Sh NAME
.Nm ichsmb
.Nd Intel Chipset internal SMBus controller
.Sh SYNOPSIS
.Cd "ichsmb* at pci?"
.Cd "iic* at ichsmb?"
.Sh DESCRIPTION
The
.Nm
driver provides support for the Intel chipset internal SMBus host interface to
be used with the
.Xr iic 4
framework.
.Pp
Supported chipsets:
.Pp
.Bl -bullet -compact -offset indent
.It
ICH series.
.It
PCH series.
.It
63xxESB series.
.It
C6xx series.
.El
.Sh SEE ALSO
.Xr iic 4 ,
.Xr intro 4 ,
.Xr pci 4
.Sh HISTORY
The
.Nm
driver first appeared in
.Nx 5.0 .
It is based off of the
.Ox 3.9
.Dq ichiic
driver.
.Sh AUTHORS
.An -nosplit
The
.Nm
driver was written by
.An Alexander Yurchenko Aq Mt grange@openbsd.org .
.Sh BUGS
The driver doesn't support I2C commands with a data buffer size of more
than 2 bytes.