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.Dd February 17, 2017 .Dt P5PB 4 amiga .Os .Sh NAME .Nm p5pb .Nd Phase5 PCI bridge driver .Sh SYNOPSIS .Cd "p5pb0 at p5bus0" .Cd "pci* at p5pb?" .Cd "genfb* at pci?" .Cd "voodoofb* at pci?" .Cd "options P5PB_DEBUG" .Cd "options P5PB_CONSOLE" .Sh DESCRIPTION The .Nm driver provides support for the PCI bus present on various devices equipped with the Phase5 PCI bridge.
p The .Dv P5PB_CONSOLE option activates the necessary support for the console on CyberVisionPPC and BlizzardVisionPPC, allowing the attachment of the .Xr genfb 4 driver. 3Dfx Voodoo 3 boards installed in G-REX are also supported as console by this option in conjuction with the .Xr voodoofb 4 driver.
p
Additional, excessive debugging output is enabled by the
.Dv P5PB_DEBUG
option.
.Sh HARDWARE
The
.Nm
driver supports the following hardware:
l -tag -offset indent t Phase5 BlizzardVisionPPC graphics card t Phase5 CyberVisionPPC graphics card t DCE Computer G-REX 1200 t DCE Computer G-REX 4000 .El
.Sh SEE ALSO
.Xr amiga/cv3dpb 4 ,
.Xr genfb 4 ,
.Xr pm2fb 4
.Xr amiga/p5membar 4 ,
.Xr pci 4
p .Lk http://wiki.netbsd.org/users/rkujawa/g-rex/ "Programming the G-REX PCI bridge" .Sh HISTORY The .Nm device first appeared in .Nx 6.0 . .Sh AUTHORS .An -nosplit The .Nm driver was written by .An Radoslaw Kujawa Aq Mt radoslaw.kujawa@gmail.com . .Sh CAVEATS The .Nx developers don't have access to G-REX hardware or documentation. Support for this device is based on best wishes.
p Support for .Xr genfb 4 framebuffer on CVPPC/BVPPC needs more testing. .Sh BUGS DMA to host memory is not supported. This is a driver limitation.