OHCI(4)                FreeBSD Kernel Interfaces Manual                OHCI(4)

NAME
     ohci - OHCI USB Host Controller driver

SYNOPSIS
     device ohci

DESCRIPTION
     The ohci driver provides support for OHCI-type PCI based USB controllers.

HARDWARE
     The ohci driver supports all OHCI v1.0 compliant controllers including:

     •   AcerLabs M5237 (Aladdin-V)
     •   AMD-756
     •   OPTi 82C861 (FireLink)
     •   NEC uPD 9210
     •   CMD Tech 670 (USB0670)
     •   CMD Tech 673 (USB0673)
     •   NVIDIA nForce3

SYSCTL VARIABLES
     The following variables are available as both sysctl(8) variables and
     loader(8) tunables:

     hw.usb.ohci.debug
             Debug output level, where 0 is debugging disabled and larger
             values increase debug message verbosity.  Default is 0.

SEE ALSO
     ehci(4), uhci(4), xhci(4)

HISTORY
     The ohci device driver first appeared in FreeBSD 3.0.

AUTHORS
     The ohci driver was written by Lennart Augustsson <augustss@carlstedt.se>
     for the NetBSD project.

FreeBSD 13.1-RELEASE-p6        December 24, 2020       FreeBSD 13.1-RELEASE-p6