xref: /onnv-gate/usr/src/psm/promif/ieee1275/common/prom_kbd.c (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright (c) 1998-1999 by Sun Microsystems, Inc.
24*0Sstevel@tonic-gate  * All rights reserved.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
28*0Sstevel@tonic-gate 
29*0Sstevel@tonic-gate #include <sys/promif.h>
30*0Sstevel@tonic-gate #include <sys/promimpl.h>
31*0Sstevel@tonic-gate 
32*0Sstevel@tonic-gate /*
33*0Sstevel@tonic-gate  * If the stdin device exports the "keyboard" property and
34*0Sstevel@tonic-gate  * the length of the property is 0, return true.  Otherwise,
35*0Sstevel@tonic-gate  * check the name of the stdin device node.  If the name is
36*0Sstevel@tonic-gate  * "keyboard" return true, else return false.
37*0Sstevel@tonic-gate  * XXX: The "keyboard" property is not part of the IEEE 1275 standard.
38*0Sstevel@tonic-gate  * XXX: Perhaps this belongs in platform dependent directories?
39*0Sstevel@tonic-gate  */
40*0Sstevel@tonic-gate int
prom_stdin_is_keyboard(void)41*0Sstevel@tonic-gate prom_stdin_is_keyboard(void)
42*0Sstevel@tonic-gate {
43*0Sstevel@tonic-gate 	char dev_name[OBP_MAXDRVNAME];
44*0Sstevel@tonic-gate 
45*0Sstevel@tonic-gate 	/*
46*0Sstevel@tonic-gate 	 * NB: A keyboard property with a value might be an alias
47*0Sstevel@tonic-gate 	 * or something else so we distinguish it by length.
48*0Sstevel@tonic-gate 	 */
49*0Sstevel@tonic-gate 	if (prom_getproplen(prom_stdin_node(), "keyboard") == 0)
50*0Sstevel@tonic-gate 		return (1);
51*0Sstevel@tonic-gate 
52*0Sstevel@tonic-gate 	if (prom_stdin_devname(dev_name) == -1)
53*0Sstevel@tonic-gate 		return (0);
54*0Sstevel@tonic-gate 
55*0Sstevel@tonic-gate 	return (prom_strcmp(dev_name, "keyboard") == 0);
56*0Sstevel@tonic-gate }
57