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ohci (7)
  • ohci (4) ( FreeBSD man: Специальные файлы /dev/* )
  • >> ohci (7) ( Solaris man: Макропакеты и соглашения )
  •  

    NAME

    ohci - OpenHCI host controller driver
     
    

    SYNOPSIS

    usb@unit-address
    

     

    DESCRIPTION

    The ohci driver is a USBA (Solaris USB Architecture) compliant nexus driver that supports the Open Host Controller Interface Specification 1.1, an industry standard developed by Compaq, Microsoft, and National Semiconductor.

    The ohci driver supports bulk, interrupt, control and isochronous transfers.  

    FILES

    /kernel/drv/ohci

    32-bit x86 ELF kernel module

    /kernel/drv/amd64/ohci

    64-bit x86 ELF kernel module

    /kernel/drv/sparcv9/ohci

    64-bit SPARC ELF kernel module

    /kernel/drv/ohci.conf

    driver configuration file

     

    ATTRIBUTES

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

    ATTRIBUTE TYPEATTRIBUTE VALUE

    ArchitectureSPARC, x86, PCI-based systems

    Availability

     

    SEE ALSO

    attributes(5), ehci(7D), hubd(7D), uhci(7D), usba(7D)

    Writing Device Drivers

    Universal Serial Bus Specification 2.0

    Open Host Controller Interface Specification for USB 1.0a

    System Administration Guide: Basic Administration

    http://www.sun.com/io  

    DIAGNOSTICS

    All host controller errors are passed to the client drivers. Root hub 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> <ohci><instance number>>: Error message...
    

    Unrecoverable USB Hardware Error.

    There was an unrecoverable USB hardware error reported by the OHCI Controller. Please reboot the system. If this problem persists, contact your system vendor.

    No SOF interrupts have been received. This OHCI USB 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.

    The following messages may be entered into the system log. They are formatted in the following manner:

    <device path> <ohci<instance number>): Message...
    

    Failed to program frame interval register.

    For an unspecified reason, the frame interval register has been nulled out by the Uli M1575 chip. Please reboot the system. If this problem persists, contact your system vendor.


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    FILES
    ATTRIBUTES
    SEE ALSO
    DIAGNOSTICS


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