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.Dd December 24, 2020 26.Dt OHCI 4 27.Os 28.Sh NAME 29.Nm ohci 30.Nd OHCI USB Host Controller driver 31.Sh SYNOPSIS 32.Cd "device ohci" 33.Sh DESCRIPTION 34The 35.Nm 36driver provides support for OHCI-type PCI based USB controllers. 37.Sh HARDWARE 38The 39.Nm 40driver supports all OHCI v1.0 compliant controllers including: 41.Pp 42.Bl -bullet -compact 43.It 44AcerLabs M5237 (Aladdin-V) 45.It 46AMD-756 47.It 48OPTi 82C861 (FireLink) 49.It 50NEC uPD 9210 51.It 52CMD Tech 670 (USB0670) 53.It 54CMD Tech 673 (USB0673) 55.It 56NVIDIA nForce3 57.El 58.Sh SYSCTL VARIABLES 59The following variables are available as both 60.Xr sysctl 8 61variables and 62.Xr loader 8 63tunables: 64.Bl -tag -width indent 65.It Va hw.usb.ohci.debug 66Debug output level, where 0 is debugging disabled and larger values increase 67debug message verbosity. 68Default is 0. 69.El 70.Sh SEE ALSO 71.Xr ehci 4 , 72.Xr uhci 4 , 73.Xr xhci 4 74.Sh HISTORY 75The 76.Nm 77device driver first appeared in 78.Fx 3.0 . 79.Sh AUTHORS 80The 81.Nm 82driver was written by 83.An Lennart Augustsson Aq Mt augustss@carlstedt.se 84for the 85.Nx 86project. 87