setchannel.c revision 166959
1/* 2 * Copyright (c) 2003, 2004, 2005 3 * John Wehle <john@feith.com>. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD: head/usr.bin/setchannel/setchannel.c 166959 2007-02-25 01:08:17Z grog $ 27 */ 28 29/* Set the channel of the tuner card. */ 30 31#include <stdio.h> 32#include <stdlib.h> 33#include <ctype.h> 34#include <fcntl.h> 35#include <string.h> 36#include <sys/types.h> 37#include <sys/param.h> 38#include <sys/ioctl.h> 39#include <unistd.h> 40 41#if __FreeBSD_version < 503001 42# include <machine/ioctl_meteor.h> 43# include <machine/ioctl_bt848.h> 44#else 45# include <dev/bktr/ioctl_meteor.h> 46# include <dev/bktr/ioctl_bt848.h> 47#endif 48 49 50static void 51usage() 52{ 53 printf 54 ("Usage: setchannel [-a {on|off}] [-c | -r | -s | -t] " 55 "[-g geom] [-m chnl_set] [chnl | freq]\n" 56 " -a Enable / disable AFC.\n" 57 " -c Select composite input.\n" 58 " -r Select radio input.\n" 59 " -s Select svideo input.\n" 60 " -t Select tuner.\n" 61 " -g Select geometry.\n" 62 " 352x240 or 352x288 = VCD\n" 63 " 480x480 or 480x576 = SVCD\n" 64 " 352x480 or 352x576 = DVD (half D1)\n" 65 " 720x480 or 720x576 = DVD (full D1)\n" 66 " -m Select channel set / system.\n" 67 " 0 = Tuner Default\n" 68 " %u = US Broadcast / NTSC\n" 69 " %u = US Cable / NTSC\n" 70 " %u = Western Europe / PAL\n" 71 " %u = Japan Broadcast / NTSC\n" 72 " %u = Japan Cable / NTSC\n" 73 " %u = Australia / PAL\n" 74 " %u = France / SECAM\n" 75 " chnl Channel\n" 76 " freq Frequency in MHz (must include decimal point).\n", 77 CHNLSET_NABCST, CHNLSET_CABLEIRC, CHNLSET_WEUROPE, CHNLSET_JPNBCST, 78 CHNLSET_JPNCABLE, CHNLSET_AUSTRALIA, CHNLSET_FRANCE); 79} 80 81int 82main(int argc, char *argv[]) 83{ 84 char *ptr; 85 char *endptr; 86 int afc; 87 int audio; 88 int c; 89 int channel_set; 90 int i; 91 int status; 92 int tfd; 93 unsigned int channel; 94 unsigned int fraction; 95 unsigned int freq; 96 unsigned int x_size; 97 unsigned int y_size; 98 unsigned long device; 99 struct bktr_capture_area cap; 100 101 afc = -1; 102 audio = -1; 103 channel = 0; 104 channel_set = -1; 105 device = 0; 106 freq = 0; 107 status = 0; 108 x_size = 0; 109 y_size = 0; 110 111 while ((c = getopt(argc, argv, "a:crg:m:st")) != -1) 112 switch (c) { 113 case 'a': 114 if (strcasecmp(optarg, "on") == 0) 115 afc = 1; 116 else if (strcasecmp(optarg, "off") == 0) 117 afc = 0; 118 else { 119 usage(); 120 exit(1); 121 } 122 break; 123 124 case 'c': 125 device = METEOR_INPUT_DEV2; 126 audio = -1; 127 break; 128 129 case 'r': 130 device = 0; 131 audio = AUDIO_INTERN; 132 break; 133 134 case 's': 135 device = METEOR_INPUT_DEV_SVIDEO; 136 audio = -1; 137 break; 138 139 case 't': 140 device = METEOR_INPUT_DEV1; 141 audio = -1; 142 break; 143 144 case 'g': 145 if (sscanf(optarg, "%ux%u", &x_size, &y_size) != 2 146 || x_size == 0 || y_size == 0) { 147 usage(); 148 exit(1); 149 } 150 break; 151 152 case 'm': 153 channel_set = atoi(optarg); 154 if (channel_set < 0 || channel_set > CHNLSET_MAX) { 155 usage(); 156 exit(1); 157 } 158 break; 159 160 default: 161 usage(); 162 exit(1); 163 } 164 165 if (optind < argc) { 166 167 /* 168 * A number containing a decimal point is the frequency in MHz. 169 */ 170 171 if ((ptr = strchr(argv[optind], '.')) != NULL) { 172 freq = strtol(argv[optind], &endptr, 10) * 1000; 173 if (ptr != endptr) { 174 usage(); 175 exit(1); 176 } 177 178 ptr++; 179 180 fraction = strtol(ptr, &endptr, 10); 181 if (!isdigit(*ptr) || *endptr != '\0') { 182 usage(); 183 exit(1); 184 } 185 186 for (i = endptr - ptr; i > 3; i--) 187 fraction /= 10; 188 for (; i < 3; i++) 189 fraction *= 10; 190 191 freq += fraction; 192 } 193 194 /* An integer is the channel. */ 195 else 196 channel = atoi(argv[optind]); 197 } 198 199 if (afc == -1 && audio == -1 && !device && x_size == 0 && y_size == 0 200 && channel_set == -1 && !channel && !freq) { 201 usage(); 202 exit(1); 203 } 204 205 tfd = open("/dev/cxm0", O_RDONLY); 206 if (tfd < 0) { 207 perror("open() of /dev/cxm0 failed."); 208 exit(1); 209 } 210 211 if (afc != -1) 212 if (ioctl(tfd, TVTUNER_SETAFC, &afc) < 0) { 213 perror("ioctl(tfd, TVTUNER_SETAFC) failed."); 214 status = 1; 215 } 216 217 if (device) 218 if (ioctl(tfd, METEORSINPUT, &device) < 0) { 219 perror("ioctl(tfd, METEORSINPUT) failed."); 220 status = 1; 221 } 222 223 if (audio != -1) 224 if (ioctl(tfd, BT848_SAUDIO, &audio) < 0) { 225 perror("ioctl(tfd, BT848_SAUDIO) failed."); 226 status = 1; 227 } 228 229 if (ioctl(tfd, BT848_GAUDIO, &audio) < 0) { 230 perror("ioctl(tfd, BT848_GAUDIO) failed."); 231 status = 1; 232 } 233 234 if (x_size && y_size) { 235 memset(&cap, 0, sizeof(cap)); 236 cap.x_size = x_size; 237 cap.y_size = y_size; 238 if (ioctl(tfd, BT848_SCAPAREA, &cap) < 0) { 239 perror("ioctl(tfd, BT848_SCAPAREA) failed."); 240 status = 1; 241 } 242 } 243 244 if (channel_set != -1) 245 if (ioctl(tfd, TVTUNER_SETTYPE, &channel_set) < 0) { 246 perror("ioctl(tfd, TVTUNER_SETTYPE) failed."); 247 status = 1; 248 } 249 250 if (channel) { 251 if (ioctl(tfd, TVTUNER_SETCHNL, &channel) < 0) { 252 perror("ioctl(tfd, TVTUNER_SETCHNL) failed."); 253 status = 1; 254 } 255 } else if (freq) { 256 if (audio == AUDIO_INTERN) { 257 /* Convert from kHz to MHz * 100 */ 258 freq = freq / 10; 259 260 if (ioctl(tfd, RADIO_SETFREQ, &freq) < 0) { 261 perror("ioctl(tfd, RADIO_SETFREQ) failed."); 262 status = 1; 263 } 264 } else { 265 /* Convert from kHz to MHz * 16 */ 266 freq = (freq * 16) / 1000; 267 268 if (ioctl(tfd, TVTUNER_SETFREQ, &freq) < 0) { 269 perror("ioctl(tfd, TVTUNER_SETFREQ) failed."); 270 status = 1; 271 } 272 } 273 } 274 275 close(tfd); 276 exit(status); 277} 278