1 /* $NetBSD: wsconscfg.c,v 1.17 2008/05/26 12:15:42 drochner 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 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 * 27 */ 28 29 #include <sys/cdefs.h> 30 #include <stdio.h> 31 #include <stdlib.h> 32 #include <fcntl.h> 33 #include <unistd.h> 34 #include <sys/types.h> 35 #include <sys/ioctl.h> 36 #include <err.h> 37 #include <errno.h> 38 39 #include <dev/wscons/wsconsio.h> 40 #include <dev/wscons/wsdisplay_usl_io.h> 41 42 #define DEFDEV "/dev/ttyEcfg" 43 44 static void usage(void) __dead; 45 int main(int, char **); 46 47 static void 48 usage(void) 49 { 50 const char *p = getprogname(); 51 (void)fprintf(stderr, 52 "Usage: %s [-e emul] [-f ctldev] [-t type] index\n" 53 "\t%s -d [-F] [-f ctldev] index\n" 54 "\t%s -g [-f ctldev]\n" 55 "\t%s -k | -m [-d] [-f ctldev] [index]\n" 56 "\t%s -s [-f ctldev] index\n", p, p, p, p, p); 57 exit(1); 58 } 59 60 int 61 main(int argc, char **argv) 62 { 63 const char *wsdev; 64 int c, delete, kbd, idx, wsfd, swtch, get, mux; 65 struct wsdisplay_addscreendata asd; 66 struct wsdisplay_delscreendata dsd; 67 struct wsmux_device wmd; 68 69 setprogname(argv[0]); 70 wsdev = DEFDEV; 71 delete = 0; 72 kbd = 0; 73 mux = 0; 74 swtch = 0; 75 idx = -1; 76 get = 0; 77 asd.screentype = 0; 78 asd.emul = 0; 79 dsd.flags = 0; 80 81 while ((c = getopt(argc, argv, "de:Ff:gkmst:")) != -1) { 82 switch (c) { 83 case 'd': 84 delete++; 85 break; 86 case 'e': 87 asd.emul = optarg; 88 break; 89 case 'F': 90 dsd.flags |= WSDISPLAY_DELSCR_FORCE; 91 break; 92 case 'f': 93 wsdev = optarg; 94 break; 95 case 'g': 96 get++; 97 break; 98 case 'k': 99 kbd++; 100 break; 101 case 'm': 102 mux++; 103 kbd++; 104 break; 105 case 's': 106 swtch++; 107 break; 108 case 't': 109 asd.screentype = optarg; 110 break; 111 case '?': 112 default: 113 usage(); 114 break; 115 } 116 } 117 argc -= optind; 118 argv += optind; 119 120 if (!get || argc != 0) { 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, get ? O_RDONLY : O_RDWR)) == -1) 128 err(EXIT_FAILURE, "Cannot open `%s'", wsdev); 129 130 131 if (swtch) { 132 if (ioctl(wsfd, VT_ACTIVATE, idx) == -1) 133 err(EXIT_FAILURE, "Cannot switch to %d", idx); 134 } else if (get) { 135 if (ioctl(wsfd, VT_GETACTIVE, &idx) == -1) 136 err(EXIT_FAILURE, "Cannot get current screen"); 137 (void)printf("%d\n", idx); 138 } else if (kbd) { 139 wmd.type = mux ? WSMUX_MUX : WSMUX_KBD; 140 wmd.idx = idx; 141 if (delete) { 142 if (ioctl(wsfd, WSMUX_REMOVE_DEVICE, &wmd) == -1) 143 err(EXIT_FAILURE, "WSMUX_REMOVE_DEVICE"); 144 } else { 145 if (ioctl(wsfd, WSMUX_ADD_DEVICE, &wmd) == -1) 146 err(EXIT_FAILURE, "WSMUX_ADD_DEVICE"); 147 } 148 } else if (delete) { 149 dsd.idx = idx; 150 if (ioctl(wsfd, WSDISPLAYIO_DELSCREEN, &dsd) == -1) 151 err(EXIT_FAILURE, "WSDISPLAYIO_DELSCREEN"); 152 } else { 153 asd.idx = idx; 154 if (ioctl(wsfd, WSDISPLAYIO_ADDSCREEN, &asd) == -1) { 155 if (errno == EBUSY) 156 errx(EXIT_FAILURE, 157 "screen %d is already configured", idx); 158 else 159 err(EXIT_FAILURE, "WSDISPLAYIO_ADDSCREEN"); 160 } 161 } 162 163 return 0; 164 } 165