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69 lines
2.1 KiB
Groff
69 lines
2.1 KiB
Groff
.\"
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.\" Copyright (c) 2011 Hans Petter Selasky. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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.\" POSSIBILITY OF SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd May 17, 2011
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.Dt XHCI 4
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.Os
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.Sh NAME
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.Nm xhci
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.Nd USB eXtensible Host Controller driver
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.Sh SYNOPSIS
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.Cd "device xhci"
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.Sh DESCRIPTION
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The
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.Nm
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driver provides support for the
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.Tn USB
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eXtensible Host Controller Interface,
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which allows use of
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.Tn USB
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1.0, 2.0 and 3.0 devices on the same
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.Tn USB
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port.
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.Pp
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The
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.Tn XHCI
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controller supports
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.Tn USB
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connection speeds up to 5.0Gbps when using a USB 3.0 compliant device.
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.Sh HARDWARE
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The
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.Nm
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driver supports
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.Tn XHCI
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compatible controllers having PCI class 12 (serial bus),
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subclass 3 (USB) and programming interface 48 (XHCI).
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.Sh SEE ALSO
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.Xr ehci 4 ,
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.Xr ohci 4 ,
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.Xr uhci 4 ,
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.Xr usb 4
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.Sh HISTORY
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The
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.Nm
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device driver first appeared in
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.Fx 8.2 .
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