.\" Copyright (c) 2010 Gleb Smirnoff <glebius@FreeBSD.org>
.\" All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
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.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" $FreeBSD$
.\"
.Dd August 5, 2018
.Dt UEP 4
.Os
.Sh NAME
.Nm uep
.Nd eGalax touchscreen driver
.Sh SYNOPSIS
To compile this driver into the kernel, place the following lines into
your kernel configuration file:
.Bd -ragged -offset indent
.Cd "device uep"
.Cd "device usb"
.Ed
.Pp
Alternatively, to load the driver as a
module at boot time, place the following line in
.Xr loader.conf 5 :
.Bd -literal -offset indent
uep_load="YES"
.Ed
.Pp
To compile this driver with evdev support enabled, place the
following lines into the kernel configuration file:
.Bd -ragged -offset indent
.Cd "options EVDEV_SUPPORT"
.Cd "device evdev"
.Ed
.Sh DESCRIPTION
The
.Nm
driver provides support for the eGalax onscreen touch panels.
.Pp
The driver is a stub.
It just probes and attaches to USB device, creates a device entry
and feeds reassembled packets from the hardware to it.
Depending on compile-time kernel options it supports either native
or evdev operation modes.
.Pp
To get the mouse working in
.Xr X 7 Pq Pa ports/x11/xorg-docs
in native mode, install
.Pa ports/x11-drivers/xf86-input-egalax .
.Pp
To get the mouse working in
.Xr X 7 Pq Pa ports/x11/xorg-docs
in evdev mode, install
.Pa ports/x11-drivers/xf86-input-evdev .
.Sh FILES
.Nm
creates a blocking pseudo-device file,
.Pa /dev/uep0
in native mode or
.Pa /dev/input/eventN
in evdev mode.
.Sh SEE ALSO
.Xr usb 4 ,
.Xr loader.conf 5 ,
.Xr xorg.conf 5 Pq Pa ports/x11/xorg ,
.Xr egalax 4 Pq Pa ports/x11-drivers/xf86-input-egalax ,
.Xr evdev 4 Pq Pa ports/x11-drivers/xf86-input-evdev .
.Sh AUTHORS
.An -nosplit
The
.Nm
driver was written by
.An Gleb Smirnoff Aq Mt glebius@FreeBSD.org .
.Sh BUGS
.Nm
cannot act like
.Xr sysmouse 4 ,
as
.Xr sysmouse 4
does not support absolute motion events.