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104 lines
3.1 KiB
Groff
104 lines
3.1 KiB
Groff
.\" $NetBSD: p5pb.4,v 1.13 2014/03/18 18:20:39 riastradh Exp $
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.\"
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.\" Copyright (c) 2011, 2012 The NetBSD Foundation, Inc.
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.\" All rights reserved.
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.\"
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.\" This code is derived from software contributed to The NetBSD Foundation
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.\" by Radoslaw Kujawa.
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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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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.\" POSSIBILITY OF SUCH DAMAGE.
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.\"
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.Dd July 11, 2012
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.Dt P5PB 4 amiga
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.Os
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.Sh NAME
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.Nm p5pb
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.Nd Phase5 PCI bridge driver
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.Sh SYNOPSIS
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.Cd "p5pb0 at p5bus0"
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.Cd "pci* at p5pb?"
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.Cd "genfb* at pci?"
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.Cd "voodoofb* at pci?"
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.Cd "options P5PB_DEBUG"
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.Cd "options P5PB_CONSOLE"
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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 PCI bus present on various devices equipped with
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the Phase5 PCI bridge.
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.Pp
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The
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.Dv P5PB_CONSOLE
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option activates the necessary support for the console on CyberVisionPPC and
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BlizzardVisionPPC, allowing the attachment of the
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.Xr genfb 4
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driver.
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3Dfx Voodoo 3 boards installed in G-REX are also supported as console by
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this option in conjuction with the
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.Xr voodoofb 4
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driver.
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.Pp
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Additional, excessive debugging output is enabled by the
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.Dv P5PB_DEBUG
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option.
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.Sh HARDWARE
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The
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.Nm
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driver supports the following hardware:
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.Bl -tag -offset indent
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.It Phase5 BlizzardVisionPPC graphics card
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.It Phase5 CyberVisionPPC graphics card
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.It DCE Computer G-REX 1200
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.It DCE Computer G-REX 4000
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.El
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.Sh SEE ALSO
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.Xr cv3dpb 4 ,
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.Xr genfb 4 ,
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.\" .Xr pm2fb 4
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.Xr p5membar 4 ,
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.Xr pci 4
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.Pp
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.Lk http://wiki.netbsd.org/users/rkujawa/g-rex/ "Programming the G-REX PCI bridge"
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.Sh HISTORY
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The
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.Nm
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device first appeared in
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.Nx 6.0 .
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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 Radoslaw Kujawa Aq Mt radoslaw.kujawa@gmail.com .
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.Sh CAVEATS
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The
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.Nx
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developers don't have access to G-REX hardware or documentation.
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Support for this device is based on best wishes.
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.Pp
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Support for
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.Xr genfb 4
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framebuffer on CVPPC/BVPPC needs more testing.
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.Sh BUGS
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DMA to host memory is not supported.
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This is a driver limitation.
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