uhci —
UHCI USB
Host Controller driver
device uhci
The
uhci driver provides support for UHCI-type PCI
based USB controllers.
The
uhci driver supports all UHCI v1.1 compliant
controllers including:
- Intel 82371AB/EB (PIIX4)
- Intel 82371SB (PIIX3)
- VIA 83C572
The following variables are available as both
sysctl(8) variables and
loader(8) tunables:
- hw.usb.uhci.debug
- Debug output level, where 0 is debugging disabled and
larger values increase debug message verbosity. Default is 0.
ehci(4),
ohci(4),
xhci(4)
The
uhci device driver first appeared in
FreeBSD 3.0.
The
uhci driver was written by
Lennart Augustsson
<
[email protected]>
for the
NetBSD project.