UHCI(4) BSD Kernel Interfaces Manual UHCI(4)NAME
uhci -- UHCI USB Host Controller driver
The uhci driver provides support for UHCI-type PCI based USB controllers.
The uhci driver supports all UHCI v1.1 compliant controllers including:
o Intel 82371AB/EB (PIIX4)
o Intel 82371SB (PIIX3)
o VIA 83C572
SEE ALSO ehci(4), ohci(4)HISTORY
The uhci device driver first appeared in FreeBSD 3.0.
The uhci driver was written by Lennart Augustsson <firstname.lastname@example.org> for the NetBSD project.
BSD April 20, 2005 BSD
Check Out this Related Man Page
uhci(7D) Devices uhci(7D)NAME
uhci - host controller driver
The uhci host controller driver is a USBA (Solaris USB Architecture) compliant nexus driver that supports the Universal Host Controller
Interface Specification 1.1, an industry standard developed by Intel. The uhci driver supports all USB transfers, including interrupt, con-
trol, isochronous and bulk.
/kernel/drv/uhci 32-bit x86 ELF kernel module
/kernel/drv/amd64/uhci 64-bit x86 ELF kernel module
/kernel/drv/uhci.conf driver configuration file
See attributes(5) for descriptions of the following attributes:
|ATTRIBUTE TYPE |ATTRIBUTE VALUE |
|Architecture |x86, PCI-based systems |
|Availability |SUNWusb |
SEE ALSO attributes(5), ehci(7D), hubd(7D), ohci(7D), usba(7D)
Writing Device Drivers
Universal Host Controller Interface Specification for USB 1.1
Universal Serial Bus Specification 2.0
System Administration Guide: Basic Administration
All host controller errors are passed to the client drivers. Root errors are documented in hubd(7D).
In addition to being logged, the following messages may appear on the system console. All messages are formatted in the following manner:
WARNING: <device path> <uhci><instance number>>: Error message...
No SOF interrupts have been received. This USB UHCI host controller is unusable.
The USB hardware is not generating Start Of Frame interrupts. Please reboot the system. If this problem persists, contact your system
SunOS 5.10 9 Oct 2004 uhci(7D)
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