xref: /freebsd/share/man/man4/usbhid.4 (revision 9768746b)
1.\" Copyright (c) 2020 Vladimir Kondratyev <wulf@FreeBSD.org>
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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