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NetBSD 6.1.5 - man page for wskbd (netbsd section 4)

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WSKBD(4)			   BSD Kernel Interfaces Manual 			 WSKBD(4)

NAME
     wskbd -- generic keyboard support in wscons

SYNOPSIS
     wskbd* at pckbd? console ? mux 1
     (standard PC keyboard)
     wskbd* at ukbd? console ? mux 1
     (USB keyboard)
     wskbd* at lkkbd? console ? mux 1
     (DEC LK200/400 serial keyboard)
     wskbd0 at akbd? console ? mux 1
     (Apple ADB keyboard)
     wskbd0 at nextkbd? console ? mux 1
     (NeXT keyboard)
     wskbd* at vrkiu? console ? mux 1
     (NEC VR4000 series HPC keyboard)
     wskbd* at skbd? console ? mux 1
     (keyboard of misc hpcmips handheld devices)
     wskbd* at btkbd? console ? mux 1
     (Bluetooth keyboard)

DESCRIPTION
     The wskbd driver handles common tasks for keyboards within the wscons(4) framework.  It is
     attached to the hardware specific keyboard drivers and provides their connection to
     ``wsdisplay'' devices and a character device interface.

     The common keyboard support consists of:

     o	 Mapping from keycodes (defined by the specific keyboard driver) to keysyms (hardware
	 independent, defined in /usr/include/dev/wscons/wsksymdef.h).

     o	 Handling of ``compose'' sequences.  Characters commonly not present as separate key on
	 keyboards can be generated after either a special ``compose'' key is pressed or a ``dead
	 accent'' character is used.

     o	 Certain translations, like turning an ``ALT'' modifier into an ``ESC'' prefix.

     o	 Automatic key repetition (``typematic'').

     o	 Parameter handling for ``keyboard bells''.

     o	 Generation of ``keyboard events'' for use by X servers.

     The wskbd driver provides a number of ioctl functions to control key maps and other parame-
     ters.  These functions are accessible though the associated ``wsdisplay'' device as well.	A
     complete list is in /usr/include/dev/wscons/wsconsio.h.  The wsconsctl(8) utility allows to
     access key maps and other variables.

     The console locator in the configuration line refers to the device's use as input part of
     the operating system console.  A device specification containing a positive value here will
     only match if the device is in use as system console.  (The console device selection in
     early system startup is not influenced.)  This way, the console device can be connected to a
     known wskbd device instance.

   Ioctls
     The following ioctl(2) calls are provided by the wskbd driver or by devices which use it.
     Their definitions are found in dev/wscons/wsconsio.h.

     WSKBDIO_GTYPE
		   Get the keyboard type.

     WSKBDIO_COMPLEXBELL, WSKBDIO_SETBELL, WSKBDIO_GETBELL, WSKBDIO_SETDEFAULTBELL,
		   WSKBDIO_GETDEFAULTBELL (struct wsmouse_repeat)
		   Get and set keyboard bell settings.

     WSKBDIO_SETKEYREPEAT, WSKBDIO_GETKEYREPEAT, WSKBDIO_SETDEFAULTKEYREPEAT,
		   WSKBDIO_GETDEFAULTKEYREPEAT (struct wskbd_keyrepeat_data)
		   Get and set keyboard autorepeat settings.

     WSKBDIO_SETLEDS, WSKBDIO_GETLEDS (int)
		   Get and set keyboard LED settings.

     WSKBDIO_GETMAP, WSKBDIO_SETMAP (struct wskbd_map_data)
		   Get and set keyboard keymapping settings.

     WSKBDIO_GETENCODING, WSKBDIO_SETENCODING (kbd_t)
		   Get and set keyboard encoding settings.

     WSKBDIO_GETKEYCLICK, WSKBDIO_SETKEYCLICK (int)
		   Get and set keyboard keyclick settings.

     WSKBDIO_SETVERSION (int)
		   Set the wscons_event protocol version.  The default is 0 for binary compati-
		   bility.  The latest version is always available as WSKBD_EVENT_VERSION, and is
		   currently 1.  All new code should use a call similar to the below to ensure
		   the correct version is returned.

			 int ver = WSKBD_EVENT_VERSION;
			 if (ioctl(fd, WSKBDIO_SETVERSION, &ver) == -1)
			     err(EXIT_FAILURE, "cannot set version");

FILES
     /dev/wskbd*

     /usr/include/dev/wscons/wsksymdef.h

     /usr/include/dev/wscons/wsconsio.h.

SEE ALSO
     btkbd(4), pckbd(4), ukbd(4), wscons(4), wsmux(4), wsconsctl(8), wskbd(9)

BSD					   May 27, 2012 				      BSD
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