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Man Pages


Manual Reference Pages  -  ATKBD (4)

NAME

atkbd - the AT keyboard interface

CONTENTS

Synopsis
Description
     Function Keys
Driver Configuration
     Kernel Configuration Options
     Driver Flags
Examples
See Also
History
Authors

SYNOPSIS


.Cd options ATKBD_DFLT_KEYMAP
.Cd makeoptions ATKBD_DFLT_KEYMAP=_keymap_name_
.Cd options KBD_DISABLE_KEYMAP_LOAD
.Cd device atkbd

In /boot/device.hints:
.Cd hint.atkbd.0.at= atkbdc
.Cd hint.atkbd.0.irq= 1

DESCRIPTION

The atkbd driver, together with the atkbdc driver, provides access to the AT 84 keyboard or the AT enhanced keyboard which is connected to the AT keyboard controller.

This driver is required for the console driver syscons(4) or vt(4).

There can be only one atkbd device defined in the kernel configuration file. This device also requires the atkbdc keyboard controller to be present. The irq number must always be 1; there is no provision of changing the number.

    Function Keys

The AT keyboard has a number of function keys. They are numbered as follows and can be associated with strings by the kbdcontrol(1) command. You can use a keyboard map file (see kbdmap(5)) to map them to arbitrary keys, particularly the functions in the range from 65 to 96 which are not used by default.

Function Key number
  Function Key
1, 2,...12 F1, F2,... F12
13, 14,...24 Shift+F1, Shift+F2,... Shift+F12
25, 26,...36 Ctl+F1, Ctl+F2,... Ctl+F12
37, 38,...48 Shift+Ctl+F1, Shift+Ctl+F2,... Shift+Ctl+F12
49 Home and Numpad 7 (without NumLock)
50 Up Arrow and Numpad 8 (without NumLock)
51 Page Up and Numpad 9 (without NumLock)
52 Numpad -
53 Left Arrow and Numpad 4 (without NumLock)
54 Numpad 5 (without NumLock)
55 Right Arrow and Numpad 6 (without NumLock)
56 Numpad +
57 End and Numpad 1 (without NumLock)
58 Down Arrow and Numpad 2 (without NumLock)
59 Page Down and Numpad 3 (without NumLock)
60 Ins and Numpad 0 (without NumLock)
61 Del
62 Left GUI Key
63 Right GUI Key
64 Menu
65, 66,...96 free (not used by default)

See the man page for the kbdcontrol(1) command for how to assign a string to the function key.

DRIVER CONFIGURATION

    Kernel Configuration Options

The following kernel configuration options control the atkbd driver.
ATKBD_DFLT_KEYMAP
  This option sets the default, built-in keymap of the atkbd driver to the named keymap. See EXAMPLES below.
KBD_DISABLE_KEYMAP_LOAD
  The keymap can be modified by the kbdcontrol(1) command. This option will disable this feature and prevent the user from changing key assignment.

    Driver Flags

The atkbd driver accepts the following driver flags. They can be set either in /boot/device.hints, or else from within the boot loader (see loader(8)).
bit 0 (FAIL_IF_NO_KBD)
  By default the atkbd driver will install even if a keyboard is not actually connected to the system. This option prevents the driver from being installed in this situation.
bit 1 (NO_RESET)
  When this option is given, the atkbd driver will not reset the keyboard when initializing it. It may be useful for laptop computers whose function keys have special functions and these functions are forgotten when the keyboard is reset.
bit 2 (ALT_SCANCODESET)
  Certain keyboards, such as those on some ThinkPad models, behave like the old XT keyboard and require this option.
bit 3 (NO_PROBE_TEST)
  When this option is given, the atkbd driver will not test the keyboard port during the probe routine. Some machines hang during boot when this test is performed.

EXAMPLES

The atkbd driver requires the keyboard controller atkbdc. Thus, the kernel configuration file should contain the following lines.

    device atkbdc

    device atkbd

The following example shows how to set the default, built-in keymap to jp.106.kbd.

    device atkbdc

    options ATKBD_DFLT_KEYMAP

    makeoptions ATKBD_DFLT_KEYMAP=jp.106

    device atkbd

In both cases, you also need to have following lines in /boot/device.hints.

    hint.atkbdc.0.at= isa

    hint.atkbdc.0.port= 0x060

    hint.atkbd.0.at= atkbdc

    hint.atkbd.0.irq= 1

SEE ALSO

kbdcontrol(1), atkbdc(4), psm(4), syscons(4), vt(4), kbdmap(5), loader(8)

HISTORY

The atkbd driver first appeared in
.Fx 3.1 .

AUTHORS


.An -nosplit The atkbd driver was written by
.An S\(/oren Schmidt Aq sos@FreeBSD.org and
.An Kazutaka Yokota Aq yokota@FreeBSD.org . This manual page was written by
.An Kazutaka Yokota .
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