94 lines
3.0 KiB
Groff
94 lines
3.0 KiB
Groff
.\" Copyright (c) 2014 Hans Petter Selasky <hselasky at freebsd dot org>.
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.\" 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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.\" 3. Neither the name of the author nor the names of any co-contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd February 7, 2014
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.Dt WSP 4
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.Os
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.Sh NAME
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.Nm wsp
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.Nd Wellspring touchpad driver
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.Sh SYNOPSIS
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To compile this driver into the kernel, place the following lines into
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your kernel configuration file:
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.Bd -ragged -offset indent
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.Cd "device wsp"
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.Cd "device usb"
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.Ed
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.Pp
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Alternatively, to load the driver as a module at boot time,
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place the following line in
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.Xr loader.conf 5 :
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.Bd -literal -offset indent
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wsp_load="YES"
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.Ed
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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 Apple Internal Trackpad
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device found in many Apple laptops.
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.Pp
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The driver simulates a three-button mouse using multi-finger tap
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detection.
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A single-finger press generates a left button click.
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A two-finger tap maps to the right button; whereas a three-finger tap
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gets treated as a middle button click.
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.Pp
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.Nm
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supports dynamic reconfiguration using
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.Xr sysctl 8
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through nodes under
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.Nm hw.usb.wsp .
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Pointer sensitivity can be controlled using the sysctl tunable
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.Nm hw.usb.wsp.scale_factor .
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.Sh FILES
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.Nm
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creates a blocking pseudo-device file,
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.Pa /dev/wsp0 ,
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which presents the mouse as a
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.Em sysmouse
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or
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.Em mousesystems
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type device--see
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.Xr moused 8
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for an explanation of these mouse
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types.
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.Sh SEE ALSO
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.Xr sysmouse 4 ,
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.Xr usb 4 ,
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.Xr loader.conf 5 ,
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.Xr xorg.conf 5 Pq Pa ports/x11/xorg ,
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.Xr moused 8 ,
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.Xr sysctl 8
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.Sh AUTHORS
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.An -nosplit
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The
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.Nm
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driver was written by
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.An Huang Wen Hui Aq huanghwh@gmail.com
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