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 * $FreeBSD$ 27 */ 28 29/* Set the channel of the tuner card. */ 30 31#include <sys/ioctl.h> 32#include <sys/param.h> 33 34#include <ctype.h> 35#include <errno.h> 36#include <fcntl.h> 37#include <stdio.h> 38#include <stdlib.h> 39#include <string.h> 40#include <unistd.h> 41 42#include <dev/bktr/ioctl_meteor.h> 43#include <dev/bktr/ioctl_bt848.h> 44 45static void 46usage(void) 47{ 48 printf 49 ("Usage: setchannel [-a {on|off}] [-c | -r | -s | -t] " 50 "[-g geom] [-m chnl_set] [chnl | freq]\n" 51 " -a Enable / disable AFC.\n" 52 " -c Select composite input.\n" 53 " -d Select tuner unit number.\n" 54 " -r Select radio input.\n" 55 " -s Select svideo input.\n" 56 " -t Select tuner.\n" 57 " -g Select geometry.\n" 58 " 352x240 or 352x288 = VCD\n" 59 " 480x480 or 480x576 = SVCD\n" 60 " 352x480 or 352x576 = DVD (half D1)\n" 61 " 720x480 or 720x576 = DVD (full D1)\n" 62 " -m Select channel set / system.\n" 63 " 0 = Tuner Default\n" 64 " %u = US Broadcast / NTSC\n" 65 " %u = US Cable / NTSC\n" 66 " %u = Western Europe / PAL\n" 67 " %u = Japan Broadcast / NTSC\n" 68 " %u = Japan Cable / NTSC\n" 69 " %u = Australia / PAL\n" 70 " %u = France / SECAM\n" 71 " chnl Channel\n" 72 " freq Frequency in MHz (must include decimal point).\n", 73 CHNLSET_NABCST, CHNLSET_CABLEIRC, CHNLSET_WEUROPE, CHNLSET_JPNBCST, 74 CHNLSET_JPNCABLE, CHNLSET_AUSTRALIA, CHNLSET_FRANCE); 75} 76 77#define DEVNAME_BASE "/dev/cxm" 78char dev_name[16]; 79 80int 81main(int argc, char *argv[]) 82{ 83 char *ptr; 84 char *endptr; 85 int afc; 86 int audio; 87 int c; 88 int channel_set; 89 int i; 90 int status; 91 int unit; 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 unit = 0; 109 x_size = 0; 110 y_size = 0; 111 112 while ((c = getopt(argc, argv, "a:cd:rg:m:st")) != -1) 113 switch (c) { 114 115 case 'a': 116 if (strcasecmp(optarg, "on") == 0) 117 afc = 1; 118 else if (strcasecmp(optarg, "off") == 0) 119 afc = 0; 120 else { 121 usage(); 122 exit(1); 123 } 124 break; 125 126 case 'c': 127 device = METEOR_INPUT_DEV2; 128 audio = -1; 129 break; 130 131 case 'd': 132 unit = atoi(optarg); 133 break; 134 135 case 'r': 136 device = 0; 137 audio = AUDIO_INTERN; 138 break; 139 140 case 's': 141 device = METEOR_INPUT_DEV_SVIDEO; 142 audio = -1; 143 break; 144 145 case 't': 146 device = METEOR_INPUT_DEV1; 147 audio = -1; 148 break; 149 150 case 'g': 151 if (sscanf(optarg, "%ux%u", &x_size, &y_size) != 2 152 || x_size == 0 || y_size == 0) { 153 usage(); 154 exit(1); 155 } 156 break; 157 158 case 'm': 159 channel_set = atoi(optarg); 160 if (channel_set < 0 || channel_set > CHNLSET_MAX) { 161 usage(); 162 exit(1); 163 } 164 break; 165 166 default: 167 usage(); 168 exit(1); 169 } 170 171 if (optind < argc) { 172 173 /* 174 * A number containing a decimal point is the frequency in MHz. 175 */ 176 177 if ((ptr = strchr(argv[optind], '.')) != NULL) { 178 freq = strtol(argv[optind], &endptr, 10) * 1000; 179 if (ptr != endptr) { 180 usage(); 181 exit(1); 182 } 183 184 ptr++; 185 186 fraction = strtol(ptr, &endptr, 10); 187 if (!isdigit(*ptr) || *endptr != '\0') { 188 usage(); 189 exit(1); 190 } 191 192 for (i = endptr - ptr; i > 3; i--) 193 fraction /= 10; 194 for (; i < 3; i++) 195 fraction *= 10; 196 197 freq += fraction; 198 } 199 200 /* An integer is the channel. */ 201 else 202 channel = atoi(argv[optind]); 203 } 204 205 if (afc == -1 && audio == -1 && !device && x_size == 0 && y_size == 0 206 && channel_set == -1 && !channel && !freq) { 207 usage(); 208 exit(1); 209 } 210 211 sprintf(dev_name, DEVNAME_BASE "%d", unit); 212 tfd = open(dev_name, O_RDONLY); 213 if (tfd < 0) { 214 fprintf(stderr, "Can't open %s: %s (%d)\n", dev_name, 215 strerror(errno), errno); 216 exit(1); 217 } 218 219 if (afc != -1) 220 if (ioctl(tfd, TVTUNER_SETAFC, &afc) < 0) { 221 perror("ioctl(tfd, TVTUNER_SETAFC) failed."); 222 status = 1; 223 } 224 225 if (device) 226 if (ioctl(tfd, METEORSINPUT, &device) < 0) { 227 perror("ioctl(tfd, METEORSINPUT) failed."); 228 status = 1; 229 } 230 231 if (audio != -1) 232 if (ioctl(tfd, BT848_SAUDIO, &audio) < 0) { 233 perror("ioctl(tfd, BT848_SAUDIO) failed."); 234 status = 1; 235 } 236 237 if (ioctl(tfd, BT848_GAUDIO, &audio) < 0) { 238 perror("ioctl(tfd, BT848_GAUDIO) failed."); 239 status = 1; 240 } 241 242 if (x_size && y_size) { 243 memset(&cap, 0, sizeof(cap)); 244 cap.x_size = x_size; 245 cap.y_size = y_size; 246 if (ioctl(tfd, BT848_SCAPAREA, &cap) < 0) { 247 perror("ioctl(tfd, BT848_SCAPAREA) failed."); 248 status = 1; 249 } 250 } 251 252 if (channel_set != -1) 253 if (ioctl(tfd, TVTUNER_SETTYPE, &channel_set) < 0) { 254 perror("ioctl(tfd, TVTUNER_SETTYPE) failed."); 255 status = 1; 256 } 257 258 if (channel) { 259 if (ioctl(tfd, TVTUNER_SETCHNL, &channel) < 0) { 260 perror("ioctl(tfd, TVTUNER_SETCHNL) failed."); 261 status = 1; 262 } 263 } else if (freq) { 264 if (audio == AUDIO_INTERN) { 265 /* Convert from kHz to MHz * 100 */ 266 freq = freq / 10; 267 268 if (ioctl(tfd, RADIO_SETFREQ, &freq) < 0) { 269 perror("ioctl(tfd, RADIO_SETFREQ) failed."); 270 status = 1; 271 } 272 } else { 273 /* Convert from kHz to MHz * 16 */ 274 freq = (freq * 16) / 1000; 275 276 if (ioctl(tfd, TVTUNER_SETFREQ, &freq) < 0) { 277 perror("ioctl(tfd, TVTUNER_SETFREQ) failed."); 278 status = 1; 279 } 280 } 281 } 282 283 close(tfd); 284 exit(status); 285} 286