65 lines
2.2 KiB
Groff
65 lines
2.2 KiB
Groff
.\" $NetBSD: voodoofb.4,v 1.3 2012/11/09 19:53:17 rkujawa Exp $
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.\"
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.\" Copyright (c) 2012 Radoslaw Kujawa
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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.\" BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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.\" LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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.\" AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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.\" OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.Dd November 9, 2012
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.Dt VOODOOFB 4
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.Os
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.Sh NAME
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.Nm voodoofb
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.Nd 3Dfx Voodoo 3 / Voodoo Banshee framebuffer driver
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.Sh SYNOPSIS
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.Cd "voodoofb* at pci?"
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.Cd "wsdisplay* at voodoofb?"
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.Sh DESCRIPTION
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The
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.Nm
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driver provides support for the 3Dfx Voodoo 3 and 3Dfx Voodoo Banshee series of
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graphics cards and provides an interface for machine independent
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.Xr wscons 4
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driver.
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.Pp
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Currently
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.Nm
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depends on the firmware to do low level initialization of the card
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(e.g. program video RAM controller).
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However, it is capable of changing the resolution and uses DDC2 to
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pick an appropriate video mode.
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.Pp
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A 2D graphics engine is used to accelerate all drawing operations.
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Direct access to video memory is not required by
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.Nm .
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.Sh SEE ALSO
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.Xr genfb 4 ,
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.Xr wsdisplay 4
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.Sh AUTHORS
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.An -nosplit
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The
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.Nm
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driver was written by
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.An Michael Lorenz .
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This man page was written by
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.An Radoslaw Kujawa .
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