xref: /freebsd/share/man/man4/usbhid.4 (revision 315ee00f)
1.\" Copyright (c) 2020 Vladimir Kondratyev <wulf@FreeBSD.org>
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24.Dd January 12, 2021
25.Dt USBHID 4
26.Os
27.Sh NAME
28.Nm usbhid
29.Nd USB HID transport 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 usbhid"
36.Ed
37.Pp
38Alternatively, to load the driver as a
39module at boot time, place the following line in
40.Xr loader.conf 5 :
41.Bd -literal -offset indent
42usbhid_load="YES"
43.Ed
44.Sh DESCRIPTION
45The
46.Nm
47driver provides a interface to USB Human Interface Devices (HIDs).
48.Sh SYSCTL VARIABLES
49The following variables are available as both
50.Xr sysctl 8
51variables and
52.Xr loader 8
53tunables:
54.Bl -tag -width indent
55.It Va hw.usb.usbhid.enable
56Enable
57.Nm
58and make its priority greater than other USB HID drivers have.
59Default is 0.
60.El
61.Bl -tag -width indent
62.It Va hw.usb.usbhid.debug
63Debug output level, where 0 is debugging disabled and larger values increase
64debug message verbosity.
65Default is 0.
66.El
67.Sh SEE ALSO
68.Xr ehci 4 ,
69.Xr ohci 4 ,
70.Xr uhci 4 ,
71.Xr usb 4 ,
72.Xr xhci 4 ,
73.Xr usbconfig 8
74.Sh HISTORY
75The
76.Nm
77driver first appeared in
78.Fx 13.0.
79.Sh AUTHORS
80.An -nosplit
81The
82.Nm
83driver was written by
84.An Vladimir Kondratyev Aq Mt wulf@FreeBSD.org .
85