ohci
—
OHCI USB Host Controller driver
The ohci
driver provides support for OHCI-type PCI based
USB controllers.
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
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.
The ohci
device driver first appeared in
FreeBSD 3.0.