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wsconscfg.c revision 1.7 
      1 /* $NetBSD: wsconscfg.c,v 1.7 2000/07/07 15:11:47 itojun 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 
     46 #define DEFDEV "/dev/ttyEcfg"
     47 
     48 static void usage __P((void));
     49 int main __P((int, char**));
     50 
     51 static void
     52 usage()
     53 {
     54 	extern char *__progname;
     55 
     56 	(void)fprintf(stderr,
     57 		      "Usage: %s [-f wsdev] [-d [-F]] [-k] [-m] [-t type]"
     58 		      "[-e emul] {vt | [kbd] | [mux]}\n", __progname);
     59 	exit(1);
     60 }
     61 
     62 int
     63 main(argc, argv)
     64 	int argc;
     65 	char **argv;
     66 {
     67 	char *wsdev;
     68 	int c, delete, kbd, idx, wsfd, res, mux;
     69 	struct wsdisplay_addscreendata asd;
     70 	struct wsdisplay_delscreendata dsd;
     71 	struct wsmux_device wmd;
     72 
     73 	wsdev = DEFDEV;
     74 	delete = 0;
     75 	kbd = 0;
     76 	mux = 0;
     77 	asd.screentype = 0;
     78 	asd.emul = 0;
     79 	dsd.flags = 0;
     80 
     81 	while ((c = getopt(argc, argv, "f:dkmt:e:F")) != -1) {
     82 		switch (c) {
     83 		case 'f':
     84 			wsdev = optarg;
     85 			break;
     86 		case 'd':
     87 			delete++;
     88 			break;
     89 		case 'k':
     90 			kbd++;
     91 			break;
     92 		case 'm':
     93 			mux++;
     94 			kbd++;
     95 			break;
     96 		case 't':
     97 			asd.screentype = optarg;
     98 			break;
     99 		case 'e':
    100 			asd.emul = optarg;
    101 			break;
    102 		case 'F':
    103 			dsd.flags |= WSDISPLAY_DELSCR_FORCE;
    104 			break;
    105 		case '?':
    106 		default:
    107 			usage();
    108 			break;
    109 		}
    110 	}
    111 	argc -= optind;
    112 	argv += optind;
    113 
    114 	if (kbd ? (argc > 1) : (argc != 1))
    115 		usage();
    116 
    117 	idx = -1;
    118 	if (argc > 0 && sscanf(argv[0], "%d", &idx) != 1)
    119 		errx(1, "invalid index");
    120 
    121 	wsfd = open(wsdev, O_RDWR, 0);
    122 	if (wsfd < 0)
    123 		err(2, "%s", wsdev);
    124 
    125 	if (kbd) {
    126 		if (mux)
    127 			wmd.type = WSMUX_MUX;
    128 		else
    129 			wmd.type = WSMUX_KBD;
    130 		wmd.idx = idx;
    131 		if (delete) {
    132 			res = ioctl(wsfd, WSMUX_REMOVE_DEVICE, &wmd);
    133 			if (res < 0)
    134 				err(3, "WSMUX_REMOVE_DEVICE");
    135 		} else {
    136 			res = ioctl(wsfd, WSMUX_ADD_DEVICE, &wmd);
    137 			if (res < 0)
    138 				err(3, "WSMUX_ADD_DEVICE");
    139 		}
    140 	} else if (delete) {
    141 		dsd.idx = idx;
    142 		res = ioctl(wsfd, WSDISPLAYIO_DELSCREEN, &dsd);
    143 		if (res < 0)
    144 			err(3, "WSDISPLAYIO_DELSCREEN");
    145 	} else {
    146 		asd.idx = idx;
    147 		res = ioctl(wsfd, WSDISPLAYIO_ADDSCREEN, &asd);
    148 		if (res < 0) {
    149 			if (errno == EBUSY)
    150 				errx(3, "screen %d is already configured", idx);
    151 			else
    152 				err(3, "WSDISPLAYIO_ADDSCREEN");
    153 		}
    154 	}
    155 
    156 	return (0);
    157 }
    158