1.\" Copyright (c) 2020 Vladimir Kondratyev <wulf@FreeBSD.org> 2.\" 3.\" Redistribution and use in source and binary forms, with or without 4.\" modification, are permitted provided that the following conditions 5.\" are met: 6.\" 1. Redistributions of source code must retain the above copyright 7.\" notice, this list of conditions and the following disclaimer. 8.\" 2. Redistributions in binary form must reproduce the above copyright 9.\" notice, this list of conditions and the following disclaimer in the 10.\" documentation and/or other materials provided with the distribution. 11.\" 12.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 13.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 14.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 15.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 16.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 17.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 18.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 19.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 20.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 21.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 22.\" SUCH DAMAGE. 23.\" 24.\" $FreeBSD$ 25.\" 26.Dd January 12, 2021 27.Dt USBHID 4 28.Os 29.Sh NAME 30.Nm usbhid 31.Nd USB HID transport driver 32.Sh SYNOPSIS 33To compile this driver into the kernel, 34place the following lines in your 35kernel configuration file: 36.Bd -ragged -offset indent 37.Cd "device usbhid" 38.Ed 39.Pp 40Alternatively, to load the driver as a 41module at boot time, place the following line in 42.Xr loader.conf 5 : 43.Bd -literal -offset indent 44usbhid_load="YES" 45.Ed 46.Sh DESCRIPTION 47The 48.Nm 49driver provides a interface to USB Human Interface Devices (HIDs). 50.Sh SYSCTL VARIABLES 51The following variables are available as both 52.Xr sysctl 8 53variables and 54.Xr loader 8 55tunables: 56.Bl -tag -width indent 57.It Va hw.usb.usbhid.enable 58Enable 59.Nm 60and make its priority greater than other USB HID drivers have. 61Default is 0. 62.El 63.Bl -tag -width indent 64.It Va hw.usb.usbhid.debug 65Debug output level, where 0 is debugging disabled and larger values increase 66debug message verbosity. 67Default is 0. 68.El 69.Sh SEE ALSO 70.Xr ehci 4 , 71.Xr ohci 4 , 72.Xr uhci 4 , 73.Xr usb 4 , 74.Xr xhci 4 , 75.Xr usbconfig 8 76.Sh HISTORY 77The 78.Nm 79driver first appeared in 80.Fx 13.0. 81.Sh AUTHORS 82.An -nosplit 83The 84.Nm 85driver was written by 86.An Vladimir Kondratyev Aq Mt wulf@FreeBSD.org . 87