1 /* $NetBSD: wsconscfg.c,v 1.16 2007/12/15 19:44:57 perry 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 <sys/cdefs.h> 36 #include <stdio.h> 37 #include <stdlib.h> 38 #include <fcntl.h> 39 #include <unistd.h> 40 #include <sys/types.h> 41 #include <sys/ioctl.h> 42 #include <err.h> 43 #include <errno.h> 44 45 #include <dev/wscons/wsconsio.h> 46 #include <dev/wscons/wsdisplay_usl_io.h> 47 48 #define DEFDEV "/dev/ttyEcfg" 49 50 static void usage(void) __dead; 51 int main(int, char **); 52 53 static void 54 usage(void) 55 { 56 const char *p = getprogname(); 57 (void)fprintf(stderr, 58 "Usage: %s [-e emul] [-f ctldev] [-t type] index\n" 59 "\t%s -d [-F] [-f ctldev] index\n" 60 "\t%s -g [-f ctldev]\n" 61 "\t%s -k | -m [-d] [-f ctldev] [index]\n" 62 "\t%s -s [-f ctldev] index\n", p, p, p, p, p); 63 exit(1); 64 } 65 66 int 67 main(int argc, char **argv) 68 { 69 const char *wsdev; 70 int c, delete, kbd, idx, wsfd, swtch, get, mux; 71 struct wsdisplay_addscreendata asd; 72 struct wsdisplay_delscreendata dsd; 73 struct wsmux_device wmd; 74 75 setprogname(argv[0]); 76 wsdev = DEFDEV; 77 delete = 0; 78 kbd = 0; 79 mux = 0; 80 swtch = 0; 81 idx = -1; 82 get = 0; 83 asd.screentype = 0; 84 asd.emul = 0; 85 dsd.flags = 0; 86 87 while ((c = getopt(argc, argv, "de:Ff:gkmst:")) != -1) { 88 switch (c) { 89 case 'd': 90 delete++; 91 break; 92 case 'e': 93 asd.emul = optarg; 94 break; 95 case 'F': 96 dsd.flags |= WSDISPLAY_DELSCR_FORCE; 97 break; 98 case 'f': 99 wsdev = optarg; 100 break; 101 case 'g': 102 get++; 103 break; 104 case 'k': 105 kbd++; 106 break; 107 case 'm': 108 mux++; 109 kbd++; 110 break; 111 case 's': 112 swtch++; 113 break; 114 case 't': 115 asd.screentype = optarg; 116 break; 117 case '?': 118 default: 119 usage(); 120 break; 121 } 122 } 123 argc -= optind; 124 argv += optind; 125 126 if (!get || argc != 0) { 127 if ((kbd || swtch) ? (argc > 1) : (argc != 1)) 128 usage(); 129 130 if (argc > 0 && sscanf(argv[0], "%d", &idx) != 1) 131 errx(1, "invalid index"); 132 } 133 if ((wsfd = open(wsdev, get ? O_RDONLY : O_RDWR)) == -1) 134 err(EXIT_FAILURE, "Cannot open `%s'", wsdev); 135 136 137 if (swtch) { 138 if (ioctl(wsfd, VT_ACTIVATE, idx) == -1) 139 err(EXIT_FAILURE, "Cannot switch to %d", idx); 140 } else if (get) { 141 if (ioctl(wsfd, VT_GETACTIVE, &idx) == -1) 142 err(EXIT_FAILURE, "Cannot get current screen"); 143 (void)printf("%d\n", idx); 144 } else if (kbd) { 145 wmd.type = mux ? WSMUX_MUX : WSMUX_KBD; 146 wmd.idx = idx; 147 if (delete) { 148 if (ioctl(wsfd, WSMUX_REMOVE_DEVICE, &wmd) == -1) 149 err(EXIT_FAILURE, "WSMUX_REMOVE_DEVICE"); 150 } else { 151 if (ioctl(wsfd, WSMUX_ADD_DEVICE, &wmd) == -1) 152 err(EXIT_FAILURE, "WSMUX_ADD_DEVICE"); 153 } 154 } else if (delete) { 155 dsd.idx = idx; 156 if (ioctl(wsfd, WSDISPLAYIO_DELSCREEN, &dsd) == -1) 157 err(EXIT_FAILURE, "WSDISPLAYIO_DELSCREEN"); 158 } else { 159 asd.idx = idx; 160 if (ioctl(wsfd, WSDISPLAYIO_ADDSCREEN, &asd) == -1) { 161 if (errno == EBUSY) 162 errx(EXIT_FAILURE, 163 "screen %d is already configured", idx); 164 else 165 err(EXIT_FAILURE, "WSDISPLAYIO_ADDSCREEN"); 166 } 167 } 168 169 return 0; 170 } 171