freebsd-skq/share/man/man4/usbhid.4

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.\" Copyright (c) 2020 Vladimir Kondratyev <wulf@FreeBSD.org>
.\"
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.\" $FreeBSD$
.\"
.Dd January 12, 2021
.Dt USBHID 4
.Os
.Sh NAME
.Nm usbhid
.Nd USB HID transport driver
.Sh SYNOPSIS
To compile this driver into the kernel,
place the following lines in your
kernel configuration file:
.Bd -ragged -offset indent
.Cd "device usbhid"
.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
usbhid_load="YES"
.Ed
.Sh DESCRIPTION
The
.Nm
driver provides a interface to USB Human Interface Devices (HIDs).
.Sh SYSCTL VARIABLES
The following variables are available as both
.Xr sysctl 8
variables and
.Xr loader 8
tunables:
.Bl -tag -width indent
.It Va hw.usb.usbhid.enable
Enable
.Nm
and make its priority greater than other USB HID drivers have.
Default is 0.
.El
.Bl -tag -width indent
.It Va hw.usb.usbhid.debug
Debug output level, where 0 is debugging disabled and larger values increase
debug message verbosity.
Default is 0.
.El
.Sh SEE ALSO
.Xr ehci 4 ,
.Xr ohci 4 ,
.Xr uhci 4 ,
.Xr usb 4 ,
.Xr xhci 4 ,
.Xr usbconfig 8
.Sh HISTORY
The
.Nm
driver first appeared in
.Fx 13.0.
.Sh AUTHORS
.An -nosplit
The
.Nm
driver was written by
.An Vladimir Kondratyev Aq Mt wulf@FreeBSD.org .