uhci(4freebsd)

uhci4freebsd

Uhci usb host controller driver

Usage

device uhci

Overview

The uhci driver provides support for UHCI-type PCI based USB controllers.

Hardware

The uhci driver supports all UHCI v1.1 compliant controllers including:

  • Intel 82371AB/EB (PIIX4)

  • Intel 82371SB (PIIX3)

  • VIA 83C572

Sysctl variables

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.

Releases

9 releases since Debian 5.0 (Lenny); the text changed 6 times.

  1. 5.0
  2. 6.0
  3. 7
  4. 8
  5. 9
  6. 10
  7. 11–13

History

The uhci device driver first appeared in FreeBSD 3.0.

Authors

The uhci driver was written by Lennart Augustsson ⟨[email protected]⟩ for the NetBSD project.

From freebsd-manpages 12.2-2 in Debian 13 (Trixie). Parsed by carta from the page's mdoc source.