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
45 static void
usage(void)46 usage(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"
78 char dev_name[16];
79
80 int
main(int argc,char * argv[])81 main(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