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.Dd September 14, 2020 25.Dt HIDBUS 4 26.Os 27.Sh NAME 28.Nm hidbus 29.Nd generic HID bus driver 30.Sh SYNOPSIS 31To compile this driver into the kernel, 32place the following lines in your 33kernel configuration file: 34.Bd -ragged -offset indent 35.Cd "device hidbus" 36.Cd "device hid" 37.Ed 38.Pp 39Alternatively, to load the driver as a 40module at boot time, place the following line in 41.Xr loader.conf 5 : 42.Bd -literal -offset indent 43hidbus_load="YES" 44.Ed 45.Sh DESCRIPTION 46The 47.Nm 48driver provides support for multiple HID driver attachments to single HID 49transport backend. 50See 51.Xr iichid 4 52or 53.Xr usbhid 4 . 54.Pp 55Each HID device can have several components, e.g., a keyboard and 56a mouse. 57These components use different report identifiers (a byte) combined into 58groups called collections to distinguish which one data is coming from. 59The 60.Nm 61driver has other drivers attached that handle particular 62kinds of devices and 63.Nm 64broadcasts data to all of them. 65.Sh SYSCTL VARIABLES 66The following variables are available as both 67.Xr sysctl 8 68variables and 69.Xr loader 8 70tunables: 71.Bl -tag -width indent 72.It Va hw.hid.hidbus.debug 73Debug output level, where 0 is debugging disabled and larger values increase 74debug message verbosity. 75Default is 0. 76.El 77.Sh SEE ALSO 78.Xr hconf 4 , 79.Xr hcons 4 , 80.Xr hgame 4 , 81.Xr hidraw 4 , 82.Xr hkbd 4 , 83.Xr hms 4 , 84.Xr hmt 4 , 85.Xr hpen 4 , 86.Xr hsctrl 4 , 87.Xr hskbd 4 , 88.Xr iichid 4 , 89.Xr usbhid 4 90.Sh HISTORY 91The 92.Nm 93driver first appeared in 94.Fx 13.0 . 95.Sh AUTHORS 96.An -nosplit 97The 98.Nm 99driver was written by 100.An Vladimir Kondratyev Aq Mt wulf@FreeBSD.org . 101