1.\" Copyright (c) 2022 Vladimir Kondratyev <wulf@FreeBSD.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.\" 13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" 25.Dd February 27, 2022 26.Dt IETP 4 27.Os 28.Sh NAME 29.Nm ietp 30.Nd Elantech I2C touchpad device driver 31.Sh SYNOPSIS 32To compile this driver into the kernel, place the following lines into 33your kernel configuration file: 34.Bd -ragged -offset indent 35.Cd "device ietp" 36.Cd "device hidbus" 37.Cd "device hid" 38.Cd "device iichid" 39.Cd "device iicbus" 40.Cd "device evdev" 41 42.Ed 43.Pp 44Alternatively, to load the driver as a 45module at boot time, place the following line in 46.Xr loader.conf 5 : 47.Bd -literal -offset indent 48ietp_load="YES" 49.Ed 50.Sh DESCRIPTION 51The 52.Nm 53driver provides support for the Elantech I2C touchpad multi-touch devices 54found in many laptops. 55.Pp 56To get multi-touch device working in 57.Xr X 7 Pq Pa ports/x11/xorg-docs , 58install 59.Pa ports/x11-drivers/xf86-input-libinput . 60.Sh FILES 61.Nm 62creates a pseudo-device file, 63.Pa /dev/input/eventX 64which presents the multi-touch device as an input event device. 65.Sh SEE ALSO 66.Xr hid 4 , 67.Xr loader.conf 5 , 68.Xr xorg.conf 5 Pq Pa ports/x11/xorg , 69.Xr libinput 4 Pq Pa ports/x11-drivers/xf86-input-libinput . 70.Sh AUTHORS 71.An -nosplit 72The 73.Nm 74driver was written by 75.An Vladimir Kondratyev Aq Mt wulf@FreeBSD.org . 76.Sh BUGS 77.Nm 78cannot act like 79.Xr sysmouse 4 80