1.\" $NetBSD: p5pb.4,v 1.18 2019/12/30 00:49:56 uwe Exp $ 2.\" 3.\" Copyright (c) 2011, 2012 The NetBSD Foundation, Inc. 4.\" All rights reserved. 5.\" 6.\" This code is derived from software contributed to The NetBSD Foundation 7.\" by Radoslaw Kujawa. 8.\" 9.\" Redistribution and use in source and binary forms, with or without 10.\" modification, are permitted provided that the following conditions 11.\" are met: 12.\" 1. Redistributions of source code must retain the above copyright 13.\" notice, this list of conditions and the following disclaimer. 14.\" 2. Redistributions in binary form must reproduce the above copyright 15.\" notice, this list of conditions and the following disclaimer in the 16.\" documentation and/or other materials provided with the distribution. 17.\" 18.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 19.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 22.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28.\" POSSIBILITY OF SUCH DAMAGE. 29.\" 30.Dd February 17, 2017 31.Dt P5PB 4 amiga 32.Os 33.Sh NAME 34.Nm p5pb 35.Nd Phase5 PCI bridge driver 36.Sh SYNOPSIS 37.Cd "p5pb0 at p5bus0" 38.Cd "pci* at p5pb?" 39.Cd "genfb* at pci?" 40.Cd "voodoofb* at pci?" 41.Cd "options P5PB_DEBUG" 42.Cd "options P5PB_CONSOLE" 43.Sh DESCRIPTION 44The 45.Nm 46driver provides support for the PCI bus present on various devices equipped with 47the Phase5 PCI bridge. 48.Pp 49The 50.Dv P5PB_CONSOLE 51option activates the necessary support for the console on CyberVisionPPC and 52BlizzardVisionPPC, allowing the attachment of the 53.Xr genfb 4 54driver. 553Dfx Voodoo 3 boards installed in G-REX are also supported as console by 56this option in conjunction with the 57.Xr voodoofb 4 58driver. 59.Pp 60Additional, excessive debugging output is enabled by the 61.Dv P5PB_DEBUG 62option. 63.Sh HARDWARE 64The 65.Nm 66driver supports the following hardware: 67.Pp 68.Bl -dash -compact 69.It 70Phase5 BlizzardVisionPPC graphics card 71.It 72Phase5 CyberVisionPPC graphics card 73.It 74DCE Computer G-REX 1200 75.It 76DCE Computer G-REX 4000 77.El 78.Sh SEE ALSO 79.Xr amiga/cv3dpb 4 , 80.Xr amiga/p5membar 4 , 81.Xr genfb 4 , 82.Xr pci 4 83.\" .Xr pm2fb 4 84.Pp 85.Lk http://wiki.netbsd.org/users/rkujawa/g-rex/ "Programming the G-REX PCI bridge" 86.Sh HISTORY 87The 88.Nm 89device first appeared in 90.Nx 6.0 . 91.Sh AUTHORS 92.An -nosplit 93The 94.Nm 95driver was written by 96.An Radoslaw Kujawa Aq Mt radoslaw.kujawa@gmail.com . 97.Sh CAVEATS 98The 99.Nx 100developers don't have access to G-REX hardware or documentation. 101Support for this device is based on best wishes. 102.Pp 103Support for 104.Xr genfb 4 105framebuffer on CVPPC/BVPPC needs more testing. 106.Sh BUGS 107DMA to host memory is not supported. 108This is a driver limitation. 109