168 lines
5.3 KiB
Groff
168 lines
5.3 KiB
Groff
.\" Copyright (c) 1997, 1998
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.\" Nick Hibma <hibma@skylink.it>. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by Bill Paul.
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.\" 4. Neither the name of the author nor the names of any co-contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY NICK HIBMA AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL NICK HIBMA OR THE VOICES IN HIS HEAD
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.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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.\" THE POSSIBILITY OF SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd April 11, 1999
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.Dt UKBD 4
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.Os FreeBSD
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.Sh NAME
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.Nm ukbd
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.Nd USB keyboard driver
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.Sh SYNOPSIS
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.Cd "device ukbd"
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.Sh DESCRIPTION
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The
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.Nm
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driver provides support for keyboards that attach to the USB port.
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.Nm usb
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and one of
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.Nm uhci
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or
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.Nm ohci
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must be configured in the kernel as well.
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.Sh CONFIGURATION
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By default the keyboard subsystem does not create the appropriate devices yet.
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Make sure you configure compile the kernel with the following option in the
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kernel config file:
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.Bd -literal -offset indent
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options "KBD_INSTALL_CDEV"
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.Ed
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.Pp
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Go to /dev and make device nodes kbd*:
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.Bd -literal -offset indent
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sh MAKEDEV kbd0 kbd1
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.Ed
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.Pp
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If both an AT keyboard as well as USB keyboards are used at the same time, the
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AT keyboard will appear as kbd0 in /dev. The USB keyboards will be kbd1, kbd2,
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etc. You can see some information about the keyboard with the following command:
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.Bd -literal -offset indent
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kbdcontrol -i < /dev/kbd1
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.Ed
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.Pp
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or load a keymap with
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.Bd -literal -offset indent
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kbdcontrol -l keymaps/pt.iso < /dev/kbd1
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.Ed
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.Pp
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See
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.Nm kbcontrol
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for more possible options.
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.Pp
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You can swap console keyboards by using the command
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.Bd -literal -offset indent
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kbdcontrol -k /dev/kbd1
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.Ed
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.Pp
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From this point on onwards the first USB keyboard will be the keyboard
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to be used as the console.
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.Pp
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If you want to use a USB keyboard as your default and not use an AT keyboard at
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all, you will have to remove the
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.Nm atkbd0
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from the kernel configuration file. Because of the order of the device
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initialisation, the USB keyboard will be detected AFTER the console driver
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initialises itself and you have to explicitly tellthe console
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driver to use the existence of the USB keyboard. This can be done in
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one of the following two ways.
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.Pp
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Run the following command as a part of system initialization:
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.Bd -literal -offset indent
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kbdcontrol -k /dev/kbd0 < /dev/ttyv0 > /dev/null
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.Ed
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.Pp
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(Note that as the USB keyboard is the only keyboard, it is accessed as
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/dev/kbd0) or otherwise tell the console driver to periodically look for a
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keyboard by setting a flag in the kernel configuration file:
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.Bd -literal -offset indent
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device sc0 at isa? flags 0x100
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.Ed
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.Pp
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With the above flag, the console driver will try to detect any
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keyboard in the system if it didn't detect one while it was
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initialized at boot time.
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.Sh DRIVER CONFIGURATION
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.Bd -literal -offset indent
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options "KBD_INSTALL_CDEV"
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.Ed
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.Pp
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Make the keyboards available through a character device in /dev
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.Bd -literal -offset indent
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options "UKBD_DFLT_KEYMAP"
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makeoptions "UKBD_DFLT_KEYMAP=fr.iso"
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.Ed
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.Pp
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The above lines will put the French ISO keymap in the ukbd driver.
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You can specify any keymap in /usr/share/syscons/keymaps with this
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option.
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.Bd -literal -offset indent
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options "KBD_DISABLE_KEYMAP_LOADING"
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.Ed
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.Pp
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Don't allow the user to change the keymap. Note that this options
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also has effect on the AT keyboard driver `atkbd'.
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.Sh FILES
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.Bl -tag -width /dev/kbd0 -compact
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.It Pa /dev/kbd*
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blocking device nodes
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.Sh EXAMPLE
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.Bd -literal -offset indent
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device ukbd0
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.Ed
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.Pp
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Add the
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.Nm ukbd
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driver to the kernel.
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.Sh SEE ALSO
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.Xr kbdcontrol 1 ,
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.Xr ohci 4 ,
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.Xr syscons 4 ,
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.Xr uhci 4 ,
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.Xr usb 4 ,
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.Xr config 8
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.\".Sh HISTORY
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.Sh AUTHORS
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The
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.Nm ukbd
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driver was written by
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.An Lennart Augustsson Aq augustss@cs.chalmers.se
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for
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.Nx
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and was substantially rewritten for
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.Fx
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by
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.An Kazutaka YOKOTA Aq yokota@zodiac.mech.utsunomiya-u.ac.jp .
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.Pp
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This manual page was written by
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.An Nick Hibma Aq hibma@skylink.it
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with a large amount of input from
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.An Kazutaka YOKOTA Aq yokota@zodiac.mech.utsunomiya-u.ac.jp .
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