man.bsd.lv manual page server

Manual Page Search Parameters
ATKBD(4) Device Drivers Manual ATKBD(4)

atkbd — the AT keyboard interface

options ATKBD_DFLT_KEYMAP
makeoptions ATKBD_DFLT_KEYMAP=_keymap_name_
options KBD_DISABLE_KEYMAP_LOAD
device atkbd0 at atkbdc? irq 1

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 syscons(4) console driver.

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 number must always be 1; there is no provision of changing the number.

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.

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

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

The following kernel configuration options control the atkbd driver.

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

The atkbd driver accepts the following driver flags. They can be set either in the kernel configuration file (see config(8)), or else in the User Configuration Menu at boot time (see boot(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.

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

device atkbdc0 at isa
device atkbd0 at atkbdc? irq 1

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

options ATKBD_DFLT_KEYMAP
makeoptions ATKBD_DFLT_KEYMAP=jp.106
device atkbd0 at atkbdc? irq 1

kbdcontrol(1), atkbdc(4), psm(4), syscons(4), boot(8), config(8)

The atkbd driver first appeared in FreeBSD 3.1.

The atkbd driver was written by Søren Schmidt <sos@FreeBSD.org> and Kazutaka Yokota <yokota@FreeBSD.org>. This manual page was written by Kazutaka Yokota.

May 21, 1999 DragonFly-5.6.1