freebsd-dev/share/man/man4/dcons_crom.4

62 lines
2.0 KiB
Groff
Raw Normal View History

.\" Copyright (c) 2003 Hidetoshi Shimokawa
.\" All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
.\" DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
.\" INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
.\" (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
.\" SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
.\" STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
.\" ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
.\" POSSIBILITY OF SUCH DAMAGE.
.\"
.\" $FreeBSD$
.\"
.Dd June 16, 2003
.Dt DCONS_CROM 4
.Os
.Sh NAME
.Nm dcons_crom
.Nd Configuration ROM stub for
.Xr dcons 4
.Sh SYNOPSIS
.Cd device dcons_crom
.Cd device dcons
.Cd device firewire
.Sh DESCRIPTION
The
.Nm
exposes the buffer address of
.Xr dcons 4
through the Configuration ROM of
.Xr firewire 4 .
This address is supposed to be used by
.Xr dconschat 8 .
.Sh SEE ALSO
.Xr dcons 4 ,
.Xr firewire 4 ,
.Xr fwohci 4 ,
.Xr dconschat 8 ,
.Xr fwcontrol 8
.Sh AUTHORS
.An Hidetoshi Shimokawa Aq simokawa@FreeBSD.org
.Sh BUGS
If you load
.Pa dcons_crom.ko
manually after the system is booted, you may
have to initiate a bus reset using
.Dq Nm fwcontrol Fl r
to update the Configuration ROM.