wsconscfg.c revision 1.13 
1/* $NetBSD: wsconscfg.c,v 1.13 2006/06/24 19:57:32 christos 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__((__noreturn__));
50int main(int, char **);
51
52static void
53usage(void)
54{
55	const char *p = getprogname();
56	(void)fprintf(stderr,
57	     "Usage: %s [-e emul] [-f ctldev] [-t type] index\n"
58	     "\t%s -d [-F] [-f ctldev] index\n"
59	     "\t%s -k | -m [-d] [-f ctldev] [index]\n"
60	     "\t%s -s [-f ctldev] index\n"
61	     "\t%s -g [-f ctldev]\n", p, p, p, p, p);
62	exit(1);
63}
64
65int
66main(int argc, char **argv)
67{
68	const char *wsdev;
69	int c, delete, kbd, idx, wsfd, swtch, get, 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	get = 0;
82	asd.screentype = 0;
83	asd.emul = 0;
84	dsd.flags = 0;
85
86	while ((c = getopt(argc, argv, "de:Ff:gkmst:")) != -1) {
87		switch (c) {
88		case 'd':
89			delete++;
90			break;
91		case 'e':
92			asd.emul = optarg;
93			break;
94		case 'F':
95			dsd.flags |= WSDISPLAY_DELSCR_FORCE;
96			break;
97		case 'f':
98			wsdev = optarg;
99			break;
100		case 'g':
101			get++;
102			break;
103		case 'k':
104			kbd++;
105			break;
106		case 'm':
107			mux++;
108			kbd++;
109			break;
110		case 's':
111			swtch++;
112			break;
113		case 't':
114			asd.screentype = optarg;
115			break;
116		case '?':
117		default:
118			usage();
119			break;
120		}
121	}
122	argc -= optind;
123	argv += optind;
124
125	if (!get || argc != 0) {
126		if ((kbd || swtch) ? (argc > 1) : (argc != 1))
127			usage();
128
129		if (argc > 0 && sscanf(argv[0], "%d", &idx) != 1)
130			errx(1, "invalid index");
131	}
132	if ((wsfd = open(wsdev, get ? O_RDONLY : O_RDWR)) == -1)
133		err(EXIT_FAILURE, "Cannot open `%s'", wsdev);
134
135
136	if (swtch) {
137		if (ioctl(wsfd, VT_ACTIVATE, idx) == -1)
138		    err(EXIT_FAILURE, "Cannot switch to %d", idx);
139	} else if (get) {
140		if (ioctl(wsfd, VT_GETACTIVE, &idx) == -1)
141		    err(EXIT_FAILURE, "Cannot get current screen");
142		(void)printf("%d\n", idx);
143	} else if (kbd) {
144		wmd.type = mux ? WSMUX_MUX : WSMUX_KBD;
145		wmd.idx = idx;
146		if (delete) {
147			if (ioctl(wsfd, WSMUX_REMOVE_DEVICE, &wmd) == -1)
148				err(EXIT_FAILURE, "WSMUX_REMOVE_DEVICE");
149		} else {
150			if (ioctl(wsfd, WSMUX_ADD_DEVICE, &wmd) == -1)
151				err(EXIT_FAILURE, "WSMUX_ADD_DEVICE");
152		}
153	} else if (delete) {
154		dsd.idx = idx;
155		if (ioctl(wsfd, WSDISPLAYIO_DELSCREEN, &dsd) == -1)
156			err(EXIT_FAILURE, "WSDISPLAYIO_DELSCREEN");
157	} else {
158		asd.idx = idx;
159		if (ioctl(wsfd, WSDISPLAYIO_ADDSCREEN, &asd) == -1) {
160			if (errno == EBUSY)
161				errx(EXIT_FAILURE,
162				    "screen %d is already configured", idx);
163			else
164				err(EXIT_FAILURE, "WSDISPLAYIO_ADDSCREEN");
165		}
166	}
167
168	return 0;
169}
170