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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 · Sun PCIO-2 (RIO USB)
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.
The ohci driver was written by Lennart Augustsson <email@example.com> for the NetBSD project.