xref: /freebsd/share/man/man4/ukbd.4 (revision 729362425c09cf6b362366aabc6fb547eee8035a)
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28.\" $FreeBSD$
29.\"
30.Dd April 11, 1999
31.Dt UKBD 4
32.Os
33.Sh NAME
34.Nm ukbd
35.Nd USB keyboard driver
36.Sh SYNOPSIS
37.Cd "device ukbd"
38.Sh DESCRIPTION
39The
40.Nm
41driver provides support for keyboards that attach to the USB port.
42.Xr usb 4
43and one of
44.Xr uhci 4
45or
46.Xr ohci 4
47must be configured in the kernel as well.
48.Sh CONFIGURATION
49By default, the keyboard subsystem does not create the appropriate devices yet.
50Make sure you reconfigure your kernel with the following option in the kernel
51config file:
52.Pp
53.Dl "options KBD_INSTALL_CDEV"
54.Pp
55If both an AT keyboard USB keyboards are used at the same time, the
56AT keyboard will appear as
57.Pa kbd0
58in
59.Pa /dev .
60The USB keyboards will be
61.Pa kbd1 , kbd2 ,
62etc.
63You can see some information about the keyboard with the following command:
64.Pp
65.Dl "kbdcontrol -i < /dev/kbd1"
66.Pp
67or load a keymap with
68.Pp
69.Dl "kbdcontrol -l keymaps/pt.iso < /dev/kbd1"
70.Pp
71See
72.Xr kbdcontrol 1
73for more possible options.
74.Pp
75You can swap console keyboards by using the command
76.Pp
77.Dl "kbdcontrol -k /dev/kbd1"
78.Pp
79From this point on, the first USB keyboard will be the keyboard
80to be used by the console.
81.Pp
82If you want to use a USB keyboard as your default and not use an AT keyboard at
83all, you will have to remove the
84.Cd "device atkbd"
85line from the kernel configuration file.
86Because of the device initialization order,
87the USB keyboard will be detected
88.Em after
89the console driver
90initializes itself and you have to explicitly tell the console
91driver to use the existence of the USB keyboard.  This can be done in
92one of the following two ways.
93.Pp
94Run the following command as a part of system initialization:
95.Pp
96.Dl "kbdcontrol -k /dev/kbd0 < /dev/ttyv0 > /dev/null"
97.Pp
98(Note that as the USB keyboard is the only keyboard, it is accessed as
99.Pa /dev/kbd0 )
100or otherwise tell the console driver to periodically look for a
101keyboard by setting a flag in the kernel configuration file:
102.Pp
103.Dl "device sc0 at isa? flags 0x100"
104.Pp
105With the above flag, the console driver will try to detect any
106keyboard in the system if it did not detect one while it was
107initialized at boot time.
108.Sh DRIVER CONFIGURATION
109.D1 Cd "options KBD_INSTALL_CDEV"
110.Pp
111Make the keyboards available through a character device in
112.Pa /dev .
113.Pp
114.D1 Cd options UKBD_DFLT_KEYMAP
115.D1 Cd makeoptions UKBD_DFLT_KEYMAP=fr.iso
116.Pp
117The above lines will put the French ISO keymap in the ukbd driver.
118You can specify any keymap in
119.Pa /usr/share/syscons/keymaps
120with this option.
121.Pp
122.D1 Cd "options KBD_DISABLE_KEYMAP_LOADING"
123.Pp
124Do not allow the user to change the keymap.
125Note that these options also affect the AT keyboard driver,
126.Xr atkbd 4 .
127.Sh FILES
128.Bl -tag -width ".Pa /dev/kbd*" -compact
129.It Pa /dev/kbd*
130blocking device nodes
131.El
132.Sh EXAMPLES
133.D1 Cd "device ukbd"
134.Pp
135Add the
136.Nm
137driver to the kernel.
138.Sh SEE ALSO
139.Xr kbdcontrol 1 ,
140.Xr ohci 4 ,
141.Xr syscons 4 ,
142.Xr uhci 4 ,
143.Xr usb 4 ,
144.Xr config 8
145.Sh AUTHORS
146.An -nosplit
147The
148.Nm
149driver was written by
150.An Lennart Augustsson Aq augustss@cs.chalmers.se
151for
152.Nx
153and was substantially rewritten for
154.Fx
155by
156.An Kazutaka YOKOTA Aq yokota@zodiac.mech.utsunomiya-u.ac.jp .
157.Pp
158This manual page was written by
159.An Nick Hibma Aq n_hibma@FreeBSD.org
160with a large amount of input from
161.An Kazutaka YOKOTA Aq yokota@zodiac.mech.utsunomiya-u.ac.jp .
162