NetBSD-5.0.2/share/man/man4/man4.sparc/cgfour.4

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.\"	$NetBSD: cgfour.4,v 1.6 2008/04/30 13:10:56 martin 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.
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.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