1.\" Copyright (c) 2014 Hans Petter Selasky <hselasky at freebsd dot org>. 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 3. Neither the name of the author nor the names of any co-contributors 13.\" may be used to endorse or promote products derived from this software 14.\" without specific prior written permission. 15.\" 16.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26.\" SUCH DAMAGE. 27.\" 28.\" $FreeBSD$ 29.\" 30.Dd February 7, 2014 31.Dt WSP 4 32.Os 33.Sh NAME 34.Nm wsp 35.Nd Wellspring touchpad driver 36.Sh SYNOPSIS 37To compile this driver into the kernel, place the following lines into 38your kernel configuration file: 39.Bd -ragged -offset indent 40.Cd "device wsp" 41.Cd "device usb" 42.Ed 43.Pp 44Alternativly, to load the driver as a module at boot time, 45place the following line in 46.Xr loader.conf 5 : 47.Bd -literal -offset indent 48wsp_load="YES" 49.Ed 50.Sh DESCRIPTION 51The 52.Nm 53driver provides support for the Apple Internal Trackpad 54device found in many Apple laptops. 55.Pp 56The driver simulates a three\-button mouse using multi\-finger tap 57detection. 58. 59A single\-finger press generates a left button click. 60A two\-finger tap maps to the right button; whereas a three\-finger tap 61gets treated as a middle button click. 62. 63.Pp 64.Nm 65supports dynamic reconfiguration using 66.Xr sysctl 8 ; 67through nodes under 68.Nm hw.usb.wsp . 69Pointer sensitivity can be controlled using the sysctl tunable 70.Nm hw.usb.wsp.scale_factor . 71. 72.Sh FILES 73.Nm 74creates a blocking pseudo\-device file, 75.Pa /dev/wsp0 , 76which presents the mouse as a 77.Ar sysmouse 78or 79.Ar mousesystems 80type device\-\-see 81.Xr moused 8 82for an explanation of these mouse 83types. 84.Sh SEE ALSO 85.Xr sysmouse 4 , 86.Xr usb 4 , 87.Xr loader.conf 5 , 88.Xr xorg.conf 5 Pq Pa ports/x11/xorg , 89.Xr moused 8 , 90.Xr sysctl 8 91.Sh AUTHORS 92.An -nosplit 93The 94.Nm 95driver was written by 96.An Huang Wen Hui Aq huanghwh@gmail.com 97