wsconscfg.c revision 1.12 
1/* $NetBSD: wsconscfg.c,v 1.12 2005/07/12 08:48:20 wiz Exp $ */
2
3/*
4 * Copyright (c) 1999
5 *	Matthias Drochner.  All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 *    must display the following acknowledgement:
17 *	This product includes software developed for the NetBSD Project
18 *	by Matthias Drochner.
19 * 4. The name of the author may not be used to endorse or promote products
20 *    derived from this software without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 *
33 */
34
35#include <stdio.h>
36#include <stdlib.h>
37#include <fcntl.h>
38#include <unistd.h>
39#include <sys/types.h>
40#include <sys/ioctl.h>
41#include <err.h>
42#include <errno.h>
43
44#include <dev/wscons/wsconsio.h>
45#include <dev/wscons/wsdisplay_usl_io.h>
46
47#define DEFDEV "/dev/ttyEcfg"
48
49static void usage(void) __attribute__((__unused__));
50int main(int, char **);
51
52static void
53usage(void)
54{
55
56	(void)fprintf(stderr,
57	     "Usage: %s [-e emul] [-f ctldev] [-t type] index\n"
58	     "       %s -d [-F] [-f ctldev] index\n"
59	     "       %s -k | -m [-d] [-f ctldev] [index]\n"
60	     "       %s -s [-f ctldev] index\n", getprogname(),
61	     getprogname(), getprogname(), getprogname());
62	exit(1);
63}
64
65int
66main(int argc, char **argv)
67{
68	const char *wsdev;
69	int c, delete, kbd, idx, wsfd, swtch, mux;
70	struct wsdisplay_addscreendata asd;
71	struct wsdisplay_delscreendata dsd;
72	struct wsmux_device wmd;
73
74	setprogname(argv[0]);
75	wsdev = DEFDEV;
76	delete = 0;
77	kbd = 0;
78	mux = 0;
79	swtch = 0;
80	idx = -1;
81	asd.screentype = 0;
82	asd.emul = 0;
83	dsd.flags = 0;
84
85	while ((c = getopt(argc, argv, "f:dkmst:e:F")) != -1) {
86		switch (c) {
87		case 'f':
88			wsdev = optarg;
89			break;
90		case 'd':
91			delete++;
92			break;
93		case 'k':
94			kbd++;
95			break;
96		case 'm':
97			mux++;
98			kbd++;
99			break;
100		case 's':
101			swtch++;
102			break;
103		case 't':
104			asd.screentype = optarg;
105			break;
106		case 'e':
107			asd.emul = optarg;
108			break;
109		case 'F':
110			dsd.flags |= WSDISPLAY_DELSCR_FORCE;
111			break;
112		case '?':
113		default:
114			usage();
115			break;
116		}
117	}
118	argc -= optind;
119	argv += optind;
120
121	if ((kbd || swtch) ? (argc > 1) : (argc != 1))
122		usage();
123
124	if (argc > 0 && sscanf(argv[0], "%d", &idx) != 1)
125		errx(1, "invalid index");
126
127	if ((wsfd = open(wsdev, O_RDWR)) == -1)
128		err(EXIT_FAILURE, "Cannot open `%s'", wsdev);
129
130	if (swtch) {
131		if (ioctl(wsfd, VT_ACTIVATE, idx) == -1)
132		    err(EXIT_FAILURE, "Cannot switch to %d", idx);
133	} else if (kbd) {
134		wmd.type = mux ? WSMUX_MUX : WSMUX_KBD;
135		wmd.idx = idx;
136		if (delete) {
137			if (ioctl(wsfd, WSMUX_REMOVE_DEVICE, &wmd) == -1)
138				err(EXIT_FAILURE, "WSMUX_REMOVE_DEVICE");
139		} else {
140			if (ioctl(wsfd, WSMUX_ADD_DEVICE, &wmd) == -1)
141				err(EXIT_FAILURE, "WSMUX_ADD_DEVICE");
142		}
143	} else if (delete) {
144		dsd.idx = idx;
145		if (ioctl(wsfd, WSDISPLAYIO_DELSCREEN, &dsd) == -1)
146			err(EXIT_FAILURE, "WSDISPLAYIO_DELSCREEN");
147	} else {
148		asd.idx = idx;
149		if (ioctl(wsfd, WSDISPLAYIO_ADDSCREEN, &asd) == -1) {
150			if (errno == EBUSY)
151				errx(EXIT_FAILURE,
152				    "screen %d is already configured", idx);
153			else
154				err(EXIT_FAILURE, "WSDISPLAYIO_ADDSCREEN");
155		}
156	}
157
158	return 0;
159}
160