1.\" Copyright (c) 1998,1999,2000 Katsushi Kobayashi and Hidetoshi Shimokawa 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 3. All advertising materials mentioning features or use of this software 13.\" must display the acknowledgement as bellow: 14.\" 15.\" This product includes software developed by K. Kobayashi and H. Shimokawa 16.\" 17.\" 4. The name of the author may not be used to endorse or promote products 18.\" derived from this software without specific prior written permission. 19.\" 20.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 22.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 23.\" DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 24.\" INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 25.\" (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 26.\" SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 28.\" STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 29.\" ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30.\" POSSIBILITY OF SUCH DAMAGE. 31.\" 32.\" $FreeBSD$ 33.\" 34.\" 35.Dd April 10, 2000 36.Dt FWOHCI 4 37.Os 38.Sh NAME 39.Nm fwohci 40.Nd OHCI firewire chipset device driver 41.Sh SYNOPSIS 42.Cd "kldload firewire" 43.Pp 44or 45.Pp 46.Cd "device fwohci" 47.Cd "device firewire" 48.Sh DESCRIPTION 49The 50.Nm 51driver provides support for PCI/CardBus firewire interface cards. 52The driver supports following IEEE 1394 OHCI chipsets. 53.Pp 54.Bl -item 55.It 56NEC uPD72861 57.It 58Texas Instruments TSB12LV{22,23,26}, TSB43{AA22,AB22/A}, PCI44{10A,50} 59.It 60Sony CX3022 61.It 62VIA VT6306 63.It 64Ricoh R5C552 65.El 66.Sh SEE ALSO 67.Xr firewire 4 , 68.Xr fwe 4 , 69.Xr sbp 4 , 70.Xr fwcontrol 8 , 71.Xr kldload 8 72.Sh HISTORY 73The 74.Nm 75device driver first appeared in 76.Fx 5.0 . 77.Sh AUTHORS 78.An -nosplit 79The 80.Nm 81device driver was written by 82.An Katsushi Kobayashi 83and 84.An Hidetoshi Shimokawa . 85.Sh BUGS 86The driver allows physical access from any nodes on the bus by default. 87This means that any devices on the bus can read and modify any memory space 88which can be accessed by IEEE 1394 OHCI chip. 89It is allowed mostly for 90.Xr sbp 4 91devices. 92This should be changed to allow it only for specific devices. 93Anyway, FireWire is a bus and not expected to be connected with 94un-trustable devices because a node can monitor all the traffic. 95