65 lines
2.6 KiB
Groff
65 lines
2.6 KiB
Groff
.\" $NetBSD: cgfour.4,v 1.4 1999/12/17 16:23:24 abs Exp $
|
|
.\"
|
|
.\" Copyright (c) 1996 The NetBSD Foundation, Inc.
|
|
.\" All rights reserved.
|
|
.\"
|
|
.\" This code is derived from software contributed to The NetBSD Foundation
|
|
.\" by Paul Kranenburg.
|
|
.\"
|
|
.\" 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.
|
|
.\" 3. All advertising materials mentioning features or use of this software
|
|
.\" must display the following acknowledgement:
|
|
.\" This product includes software developed by the NetBSD
|
|
.\" Foundation, Inc. and its contributors.
|
|
.\" 4. Neither the name of The NetBSD Foundation nor the names of its
|
|
.\" contributors may be used to endorse or promote products derived
|
|
.\" from this software without specific prior written permission.
|
|
.\"
|
|
.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
|
|
.\" ``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 FOUNDATION OR CONTRIBUTORS
|
|
.\" 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.
|
|
.\"
|
|
.Dd June 23, 1996
|
|
.Dt CGFOUR 4 sparc
|
|
.Os
|
|
.Sh NAME
|
|
.Nm cgfour
|
|
.Nd Sun 8-bit color frame buffer
|
|
.Sh SYNOPSIS
|
|
.Cd "cgfour0 at obio0 addr 0xfb300000 level 4" Pq sun4/300
|
|
.Cd "cgfour0 at obio0 addr 0x0b300000 level 4" Pq sun4/100
|
|
.Sh DESCRIPTION
|
|
The
|
|
.Nm
|
|
is a memory based color frame buffer with overlay plane.
|
|
Its pixel memory and control planes can be mapped into a user
|
|
process address space by using the
|
|
.Xr mmap 2
|
|
system call.
|
|
The
|
|
.Nm
|
|
driver supports the minimal ioctl's needed to run
|
|
.Xr X 1 .
|
|
.Sh SEE ALSO
|
|
.Xr bwtwo 4 ,
|
|
.Xr cgtwo 4 ,
|
|
.Xr cgthree 4 ,
|
|
.Xr cgsix 4 ,
|
|
.Xr cgeight 4 ,
|
|
.Xr tcx 4
|