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 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by John Wehle.
16 * 4. The name of the author may not be used to endorse or promote products
17 * derived from this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
22 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
23 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
25 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
27 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
28 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 *
31 * Set the channel of the tuner card.
32 */
33
34 #include <sys/types.h>
35 #include <sys/param.h>
36 #include <sys/ioctl.h>
37
38 #include <ctype.h>
39 #include <err.h>
40 #include <fcntl.h>
41 #include <stdio.h>
42 #include <stdlib.h>
43 #include <string.h>
44 #include <unistd.h>
45
46 #include <dev/video/meteor/ioctl_meteor.h>
47 #include <dev/video/bktr/ioctl_bt848.h>
48
49 static void
usage(void)50 usage(void)
51 {
52 fprintf(stderr,
53 "usage: cxm_setchannel [-a {on|off}] [-c | -r | -s | -t] [-d unit] [-g geom]\n"
54 " [-m chnl_set] [chnl | freq]\n");
55 }
56
57 int
main(int argc,char * argv[])58 main(int argc, char *argv[])
59 {
60 char *ptr;
61 char *endptr;
62 char buf[255];
63 int afc;
64 int audio;
65 int c;
66 int channel_set;
67 int i;
68 int status;
69 int tfd;
70 int unit;
71 unsigned int channel;
72 unsigned int fraction;
73 unsigned int freq;
74 unsigned int x_size;
75 unsigned int y_size;
76 unsigned long device;
77 struct bktr_capture_area cap;
78
79 afc = -1;
80 audio = -1;
81 channel = 0;
82 channel_set = -1;
83 device = 0;
84 unit = 0;
85 freq = 0;
86 status = 0;
87 x_size = 0;
88 y_size = 0;
89
90 while ((c = getopt(argc, argv, "a:crstg:m:d:")) != -1)
91 switch (c) {
92 case 'a':
93 if (strcasecmp(optarg, "on") == 0)
94 afc = 1;
95 else if (strcasecmp(optarg, "off") == 0)
96 afc = 0;
97 else {
98 usage();
99 exit(1);
100 }
101 break;
102
103 case 'c':
104 device = METEOR_INPUT_DEV2;
105 audio = -1;
106 break;
107
108 case 'd':
109 unit = atoi(optarg);
110 break;
111
112 case 'r':
113 device = 0;
114 audio = AUDIO_INTERN;
115 break;
116
117 case 's':
118 device = METEOR_INPUT_DEV_SVIDEO;
119 audio = -1;
120 break;
121
122 case 't':
123 device = METEOR_INPUT_DEV1;
124 audio = -1;
125 break;
126
127 case 'g':
128 if (sscanf(optarg, "%ux%u", &x_size, &y_size) != 2 ||
129 x_size == 0 || y_size == 0) {
130 usage();
131 exit(1);
132 }
133 break;
134
135 case 'm':
136 channel_set = atoi(optarg);
137 if (channel_set < 0 || channel_set > CHNLSET_MAX) {
138 usage();
139 exit(1);
140 }
141 break;
142
143 default:
144 usage();
145 exit(1);
146 }
147
148 if (optind < argc) {
149
150 /*
151 * A number containing a decimal point is the frequency in
152 * MHz.
153 */
154
155 if ((ptr = strchr(argv[optind], '.')) != NULL) {
156 freq = strtol(argv[optind], &endptr, 10) * 1000;
157 if (ptr != endptr) {
158 usage();
159 exit(1);
160 }
161 ptr++;
162
163 fraction = strtol(ptr, &endptr, 10);
164 if (!isdigit(*ptr) || *endptr != '\0') {
165 usage();
166 exit(1);
167 }
168 for (i = endptr - ptr; i > 3; i--)
169 fraction /= 10;
170 for (; i < 3; i++)
171 fraction *= 10;
172
173 freq += fraction;
174 }
175 /*
176 * An integer is the channel.
177 */
178
179 else
180 channel = atoi(argv[optind]);
181 }
182 if (afc == -1 && audio == -1 && !device && x_size == 0 &&
183 y_size == 0 && channel_set == -1 && !channel && !freq) {
184 usage();
185 exit(1);
186 }
187
188 sprintf(buf, "/dev/cxm%d", unit);
189
190 tfd = open(buf, O_RDONLY);
191 if (tfd < 0) {
192 warn("open() of /dev/cxm%d failed.", unit);
193 exit(1);
194 }
195
196 if (afc != -1) {
197 if (ioctl(tfd, TVTUNER_SETAFC, &afc) < 0) {
198 warn("ioctl( tfd, TVTUNER_SETAFC ) failed.");
199 status = 1;
200 }
201 }
202 if (device) {
203 if (ioctl(tfd, METEORSINPUT, &device) < 0) {
204 warn("ioctl( tfd, METEORSINPUT ) failed.");
205 status = 1;
206 }
207 }
208 if (audio != -1) {
209 if (ioctl(tfd, BT848_SAUDIO, &audio) < 0) {
210 warn("ioctl( tfd, BT848_SAUDIO ) failed.");
211 status = 1;
212 }
213 }
214 if (ioctl(tfd, BT848_GAUDIO, &audio) < 0) {
215 warn("ioctl( tfd, BT848_GAUDIO ) failed.");
216 status = 1;
217 }
218 if (x_size && y_size) {
219 memset(&cap, 0, sizeof(cap));
220 cap.x_size = x_size;
221 cap.y_size = y_size;
222 if (ioctl(tfd, BT848_SCAPAREA, &cap) < 0) {
223 warn("ioctl( tfd, BT848_SCAPAREA ) failed.");
224 status = 1;
225 }
226 }
227 if (channel_set != -1) {
228 if (ioctl(tfd, TVTUNER_SETTYPE, &channel_set) < 0) {
229 warn("ioctl( tfd, TVTUNER_SETTYPE ) failed.");
230 status = 1;
231 }
232 }
233 if (channel) {
234 if (ioctl(tfd, TVTUNER_SETCHNL, &channel) < 0) {
235 warn("ioctl( tfd, TVTUNER_SETCHNL ) failed.");
236 status = 1;
237 }
238 } else if (freq) {
239 if (audio == AUDIO_INTERN) {
240 /* Convert from kHz to MHz * 100 */
241 freq = freq / 10;
242
243 if (ioctl(tfd, RADIO_SETFREQ, &freq) < 0) {
244 warn("ioctl( tfd, RADIO_SETFREQ ) failed.");
245 status = 1;
246 }
247 } else {
248 /* Convert from kHz to MHz * 16 */
249 freq = (freq * 16) / 1000;
250
251 if (ioctl(tfd, TVTUNER_SETFREQ, &freq) < 0) {
252 warn("ioctl( tfd, TVTUNER_SETFREQ ) failed.");
253 status = 1;
254 }
255 }
256 }
257 close(tfd);
258 exit(status);
259 }
260