mirror of
https://github.com/Stichting-MINIX-Research-Foundation/netbsd.git
synced 2025-08-10 14:39:47 -04:00
86 lines
2.8 KiB
Groff
86 lines
2.8 KiB
Groff
.\" $NetBSD: em4k.4,v 1.4 2013/07/20 21:39:59 wiz Exp $
|
|
.\"
|
|
.\" Copyright (c) 2013 The NetBSD Foundation, Inc.
|
|
.\" All rights reserved.
|
|
.\"
|
|
.\" This code is derived from software contributed to The NetBSD Foundation
|
|
.\" by Radoslaw Kujawa.
|
|
.\"
|
|
.\" Redistribution and use in source and binary forms, with or without
|
|
.\" modification, are permitted provided that the following conditions
|
|
.\" are met:
|
|
.\" 1. Redistributions of source code must retain the above copyright
|
|
.\" notice, this list of conditions and the following disclaimer.
|
|
.\" 2. Redistributions in binary form must reproduce the above copyright
|
|
.\" notice, this list of conditions and the following disclaimer in the
|
|
.\" documentation and/or other materials provided with the distribution.
|
|
.\"
|
|
.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
|
|
.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
|
.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
|
|
.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
.\" POSSIBILITY OF SUCH DAMAGE.
|
|
.\"
|
|
.Dd January 29, 2013
|
|
.Dt EM4K 4 amiga
|
|
.Os
|
|
.Sh NAME
|
|
.Nm em4k
|
|
.Nd ELBOX Mediator 4000 PCI bridge driver
|
|
.Sh SYNOPSIS
|
|
.Cd "em4k0 at zbus0"
|
|
.Cd "emmem0 at zbus0"
|
|
.Cd "pci* at empb0"
|
|
.Cd "options PCI_NETBSD_CONFIGURE"
|
|
.Sh DESCRIPTION
|
|
The
|
|
.Nm
|
|
driver provides support for the PCI bus present on Mediator 4000 bridge and associated
|
|
PCI/Zorro daughterboards.
|
|
.Sh HARDWARE
|
|
The
|
|
.Nm
|
|
driver supports the following hardware:
|
|
.Bl -tag -offset indent
|
|
.It ELBOX Mediator PCI 4000D
|
|
.It ELBOX Mediator PCI 4000Di
|
|
.It ELBOX Mediator PCI 4000T
|
|
.It ELBOX Mediator PCI 3000D
|
|
.It ELBOX Mediator PCI 3000T
|
|
.El
|
|
MK-II editions are also supported.
|
|
.Sh SEE ALSO
|
|
.Xr empb 4 ,
|
|
.Xr mppb 4 ,
|
|
.Xr p5pb 4 ,
|
|
.Xr pci 4
|
|
.Sh HISTORY
|
|
The
|
|
.Nm
|
|
device first appeared in
|
|
.Nx 7.0 .
|
|
.Sh AUTHORS
|
|
.An -nosplit
|
|
The
|
|
.Nm
|
|
driver was written by
|
|
.An Radoslaw Kujawa Aq Mt radoslaw.kujawa@gmail.com .
|
|
It was developed using information obtained through reverse engineering
|
|
by
|
|
.An Frank Wille
|
|
and
|
|
.An Radoslaw Kujawa .
|
|
The authors have no access to official
|
|
documentation (which is only available under NDA).
|
|
.Sh BUGS
|
|
DMA to host memory is not supported.
|
|
It is unclear if the hardware supports DMA to host memory at all.
|
|
It is possible to implement DMA through bounce buffers in graphics card memory,
|
|
but this needs further research.
|