FreeBSD manual
download PDF document: ohci.4.pdf
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:
o AcerLabs M5237 (Aladdin-V)
o AMD-756
o OPTi 82C861 (FireLink)
o NEC uPD 9210
o CMD Tech 670 (USB0670)
o CMD Tech 673 (USB0673)
o 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 14.0-RELEASE-p6 December 24, 2020 FreeBSD 14.0-RELEASE-p6