1.\" Copyright (c) 1999 2.\" Nick Hibma <n_hibma@FreeBSD.org>. 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.\" 13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" 25.\" $FreeBSD$ 26.\" 27.Dd April 24, 2018 28.Dt OHCI 4 29.Os 30.Sh NAME 31.Nm ohci 32.Nd OHCI USB Host Controller driver 33.Sh SYNOPSIS 34.Cd "device ohci" 35.Sh DESCRIPTION 36The 37.Nm 38driver provides support for OHCI-type PCI based USB controllers. 39.Sh HARDWARE 40The 41.Nm 42driver supports all OHCI v1.0 compliant controllers including: 43.Pp 44.Bl -bullet -compact 45.It 46AcerLabs M5237 (Aladdin-V) 47.It 48AMD-756 49.It 50OPTi 82C861 (FireLink) 51.It 52NEC uPD 9210 53.It 54CMD Tech 670 (USB0670) 55.It 56CMD Tech 673 (USB0673) 57.It 58NVIDIA nForce3 59.It 60Sun PCIO-2 (RIO USB) 61.El 62.Sh SYSCTL VARIABLES 63The following variables are available as both 64.Xr sysctl 8 65variables and 66.Xr loader 8 67tunables: 68.Bl -tag -width indent 69.It Va hw.usb.ohci.debug 70Debug output level, where 0 is debugging disabled and larger values increase 71debug message verbosity. 72Default is 0. 73.El 74.Sh SEE ALSO 75.Xr ehci 4 , 76.Xr uhci 4 , 77.Xr xhci 4 78.Sh HISTORY 79The 80.Nm 81device driver first appeared in 82.Fx 3.0 . 83.Sh AUTHORS 84The 85.Nm 86driver was written by 87.An Lennart Augustsson Aq Mt augustss@carlstedt.se 88for the 89.Nx 90project. 91