1.\" $OpenBSD: cgtwelve.4,v 1.4 2008/03/31 08:12:22 jmc Exp $ 2.\" 3.\" Copyright (c) 2002 Miodrag Vallat. All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright 9.\" notice, this list of conditions and the following disclaimer. 10.\" 2. Redistributions in binary form must reproduce the above copyright 11.\" notice, this list of conditions and the following disclaimer in the 12.\" documentation and/or other materials provided with the distribution. 13.\" 14.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 15.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 16.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 17.\" DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 18.\" INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 19.\" (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 20.\" SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 22.\" STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 23.\" ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 24.\" POSSIBILITY OF SUCH DAMAGE. 25.\" 26.Dd $Mdocdate: March 31 2008 $ 27.Dt CGTWELVE 4 sparc64 28.Os 29.Sh NAME 30.Nm cgtwelve 31.Nd accelerated 24-bit color frame buffer 32.Sh SYNOPSIS 33.Cd "cgtwelve* at sbus?" 34.Cd "wsdisplay* at cgtwelve?" 35.Sh DESCRIPTION 36The 37.Nm 38is a triple-slot SBus color frame buffer, with graphics acceleration 39and overlay capabilities. 40.Pp 41The 42.Nm 43driver interfaces the frame buffer with the 44.Xr wscons 4 45console framework. 46It does not provide direct device driver entry points 47but makes its functions available via the internal 48.Xr wsdisplay 4 49interface. 50.Sh SEE ALSO 51.Xr intro 4 , 52.Xr sbus 4 , 53.Xr wscons 4 , 54.Xr wsdisplay 4 55.Sh CAVEATS 56The only way to connect a 57.Nm 58frame buffer to an UltraSPARC is with the help of an 59.Xr xbox 4 60SBus Expansion subsystem. 61.Pp 62This driver does not support any acceleration features. 63