man/man7d/uhci.7d

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 uhci 7D "26 July 2005" "SunOS 5.11" "Devices"
 NAME
uhci - host controller driver
 SYNOPSIS

pcivid,pid@unit-address


 DESCRIPTION

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,
control, isochronous and bulk.
 FILES

/kernel/drv/uhci

32-bit ELF kernel module. (SPARC or x86).


/kernel/drv/amd64/uhci

64-bit ELF kernel module. (x86).


/kernel/drv/sparcv9/uhci

64-bit SPARC ELF kernel module.


/kernel/drv/uhci.conf

Driver configuration file.


 ATTRIBUTES

See attributes(5) for descriptions of the following attributes:


ATTRIBUTE TYPEATTRIBUTE VALUE
ArchitectureSPARC or x86 PCI-based systems


 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

http://www.sun.com/io
 DIAGNOSTICS

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 vendor.

ATTRIBUTE TYPE	ATTRIBUTE VALUE
Architecture	SPARC or x86 PCI-based systems