Commit | Line | Data |
---|---|---|
1da177e4 | 1 | /* |
1da177e4 LT |
2 | * |
3 | * i2c tv tuner chip device driver | |
4 | * core core, i.e. kernel interfaces, registering and so on | |
5 | */ | |
6 | ||
7 | #include <linux/module.h> | |
1da177e4 | 8 | #include <linux/kernel.h> |
1da177e4 LT |
9 | #include <linux/string.h> |
10 | #include <linux/timer.h> | |
11 | #include <linux/delay.h> | |
12 | #include <linux/errno.h> | |
13 | #include <linux/slab.h> | |
14 | #include <linux/poll.h> | |
15 | #include <linux/i2c.h> | |
16 | #include <linux/types.h> | |
1da177e4 | 17 | #include <linux/init.h> |
ffbb807c | 18 | #include <linux/videodev.h> |
1da177e4 | 19 | #include <media/tuner.h> |
5e453dc7 | 20 | #include <media/v4l2-common.h> |
8218b0b2 | 21 | #include "tuner-driver.h" |
910bb3e3 | 22 | #include "tda8290.h" |
1da177e4 LT |
23 | |
24 | #define UNSET (-1U) | |
25 | ||
26 | /* standard i2c insmod options */ | |
27 | static unsigned short normal_i2c[] = { | |
9ee476a5 | 28 | #ifdef CONFIG_TUNER_TEA5761 |
8573a9e6 MCC |
29 | 0x10, |
30 | #endif | |
de48eebc | 31 | 0x42, 0x43, 0x4a, 0x4b, /* tda8290 */ |
f5bec396 MCC |
32 | 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, |
33 | 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, | |
1da177e4 LT |
34 | I2C_CLIENT_END |
35 | }; | |
f7ce3cc6 | 36 | |
1da177e4 LT |
37 | I2C_CLIENT_INSMOD; |
38 | ||
39 | /* insmod options used at init time => read/only */ | |
f7ce3cc6 | 40 | static unsigned int addr = 0; |
c5287ba1 | 41 | static unsigned int no_autodetect = 0; |
fd3113e8 | 42 | static unsigned int show_i2c = 0; |
fd3113e8 | 43 | |
1da177e4 | 44 | /* insmod options used at runtime => read/write */ |
f9195ded | 45 | int tuner_debug = 0; |
1da177e4 | 46 | |
f7ce3cc6 | 47 | static unsigned int tv_range[2] = { 44, 958 }; |
1da177e4 LT |
48 | static unsigned int radio_range[2] = { 65, 108 }; |
49 | ||
7e578191 MCC |
50 | static char pal[] = "--"; |
51 | static char secam[] = "--"; | |
52 | static char ntsc[] = "-"; | |
53 | ||
f9195ded | 54 | |
7e578191 MCC |
55 | module_param(addr, int, 0444); |
56 | module_param(no_autodetect, int, 0444); | |
57 | module_param(show_i2c, int, 0444); | |
f9195ded | 58 | module_param_named(debug,tuner_debug, int, 0644); |
7e578191 MCC |
59 | module_param_string(pal, pal, sizeof(pal), 0644); |
60 | module_param_string(secam, secam, sizeof(secam), 0644); | |
61 | module_param_string(ntsc, ntsc, sizeof(ntsc), 0644); | |
f7ce3cc6 | 62 | module_param_array(tv_range, int, NULL, 0644); |
1da177e4 LT |
63 | module_param_array(radio_range, int, NULL, 0644); |
64 | ||
65 | MODULE_DESCRIPTION("device driver for various TV and TV+FM radio tuners"); | |
66 | MODULE_AUTHOR("Ralph Metzler, Gerd Knorr, Gunther Mayer"); | |
67 | MODULE_LICENSE("GPL"); | |
68 | ||
1da177e4 LT |
69 | static struct i2c_driver driver; |
70 | static struct i2c_client client_template; | |
71 | ||
72 | /* ---------------------------------------------------------------------- */ | |
73 | ||
e18f9444 MK |
74 | static void fe_set_freq(struct tuner *t, unsigned int freq) |
75 | { | |
76 | struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops; | |
77 | ||
78 | struct analog_parameters params = { | |
79 | .frequency = freq, | |
80 | .mode = t->mode, | |
81 | .audmode = t->audmode, | |
82 | .std = t->std | |
83 | }; | |
84 | ||
85 | if (NULL == fe_tuner_ops->set_analog_params) { | |
86 | tuner_warn("Tuner frontend module has no way to set freq\n"); | |
87 | return; | |
88 | } | |
89 | fe_tuner_ops->set_analog_params(&t->fe, ¶ms); | |
90 | } | |
91 | ||
92 | static void fe_release(struct tuner *t) | |
93 | { | |
94 | struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops; | |
95 | ||
96 | if (fe_tuner_ops->release) | |
97 | fe_tuner_ops->release(&t->fe); | |
98 | } | |
99 | ||
100 | static void fe_standby(struct tuner *t) | |
101 | { | |
102 | struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops; | |
103 | ||
104 | if (fe_tuner_ops->sleep) | |
105 | fe_tuner_ops->sleep(&t->fe); | |
106 | } | |
107 | ||
56fc08ca | 108 | /* Set tuner frequency, freq in Units of 62.5kHz = 1/16MHz */ |
1da177e4 LT |
109 | static void set_tv_freq(struct i2c_client *c, unsigned int freq) |
110 | { | |
111 | struct tuner *t = i2c_get_clientdata(c); | |
112 | ||
113 | if (t->type == UNSET) { | |
f7ce3cc6 | 114 | tuner_warn ("tuner type not set\n"); |
1da177e4 LT |
115 | return; |
116 | } | |
7a91a80a | 117 | if (NULL == t->ops.set_tv_freq) { |
f7ce3cc6 | 118 | tuner_warn ("Tuner has no way to set tv freq\n"); |
1da177e4 LT |
119 | return; |
120 | } | |
f7ce3cc6 MCC |
121 | if (freq < tv_range[0] * 16 || freq > tv_range[1] * 16) { |
122 | tuner_dbg ("TV freq (%d.%02d) out of range (%d-%d)\n", | |
123 | freq / 16, freq % 16 * 100 / 16, tv_range[0], | |
124 | tv_range[1]); | |
27487d44 HV |
125 | /* V4L2 spec: if the freq is not possible then the closest |
126 | possible value should be selected */ | |
127 | if (freq < tv_range[0] * 16) | |
128 | freq = tv_range[0] * 16; | |
129 | else | |
130 | freq = tv_range[1] * 16; | |
1da177e4 | 131 | } |
db8a6956 | 132 | t->ops.set_tv_freq(t, freq); |
1da177e4 LT |
133 | } |
134 | ||
135 | static void set_radio_freq(struct i2c_client *c, unsigned int freq) | |
136 | { | |
137 | struct tuner *t = i2c_get_clientdata(c); | |
138 | ||
139 | if (t->type == UNSET) { | |
f7ce3cc6 | 140 | tuner_warn ("tuner type not set\n"); |
1da177e4 LT |
141 | return; |
142 | } | |
7a91a80a | 143 | if (NULL == t->ops.set_radio_freq) { |
f7ce3cc6 | 144 | tuner_warn ("tuner has no way to set radio frequency\n"); |
1da177e4 LT |
145 | return; |
146 | } | |
27487d44 | 147 | if (freq < radio_range[0] * 16000 || freq > radio_range[1] * 16000) { |
f7ce3cc6 MCC |
148 | tuner_dbg ("radio freq (%d.%02d) out of range (%d-%d)\n", |
149 | freq / 16000, freq % 16000 * 100 / 16000, | |
150 | radio_range[0], radio_range[1]); | |
27487d44 HV |
151 | /* V4L2 spec: if the freq is not possible then the closest |
152 | possible value should be selected */ | |
153 | if (freq < radio_range[0] * 16000) | |
154 | freq = radio_range[0] * 16000; | |
155 | else | |
156 | freq = radio_range[1] * 16000; | |
1da177e4 | 157 | } |
586b0cab | 158 | |
db8a6956 | 159 | t->ops.set_radio_freq(t, freq); |
1da177e4 LT |
160 | } |
161 | ||
162 | static void set_freq(struct i2c_client *c, unsigned long freq) | |
163 | { | |
164 | struct tuner *t = i2c_get_clientdata(c); | |
165 | ||
166 | switch (t->mode) { | |
167 | case V4L2_TUNER_RADIO: | |
168 | tuner_dbg("radio freq set to %lu.%02lu\n", | |
f7ce3cc6 MCC |
169 | freq / 16000, freq % 16000 * 100 / 16000); |
170 | set_radio_freq(c, freq); | |
27487d44 | 171 | t->radio_freq = freq; |
1da177e4 LT |
172 | break; |
173 | case V4L2_TUNER_ANALOG_TV: | |
174 | case V4L2_TUNER_DIGITAL_TV: | |
175 | tuner_dbg("tv freq set to %lu.%02lu\n", | |
f7ce3cc6 | 176 | freq / 16, freq % 16 * 100 / 16); |
1da177e4 | 177 | set_tv_freq(c, freq); |
27487d44 | 178 | t->tv_freq = freq; |
1da177e4 LT |
179 | break; |
180 | } | |
1da177e4 LT |
181 | } |
182 | ||
293197cd MK |
183 | static void tuner_i2c_address_check(struct tuner *t) |
184 | { | |
185 | if ((t->type == UNSET || t->type == TUNER_ABSENT) || | |
186 | ((t->i2c.addr < 0x64) || (t->i2c.addr > 0x6f))) | |
187 | return; | |
188 | ||
189 | tuner_warn("====================== WARNING! ======================\n"); | |
190 | tuner_warn("Support for tuners in i2c address range 0x64 thru 0x6f\n"); | |
191 | tuner_warn("will soon be dropped. This message indicates that your\n"); | |
192 | tuner_warn("hardware has a %s tuner at i2c address 0x%02x.\n", | |
193 | t->i2c.name, t->i2c.addr); | |
194 | tuner_warn("To ensure continued support for your device, please\n"); | |
195 | tuner_warn("send a copy of this message, along with full dmesg\n"); | |
196 | tuner_warn("output to v4l-dvb-maintainer@linuxtv.org\n"); | |
197 | tuner_warn("Please use subject line: \"obsolete tuner i2c address.\"\n"); | |
198 | tuner_warn("driver: %s, addr: 0x%02x, type: %d (%s)\n", | |
199 | t->i2c.adapter->name, t->i2c.addr, t->type, | |
200 | tuners[t->type].name); | |
201 | tuner_warn("====================== WARNING! ======================\n"); | |
202 | } | |
203 | ||
910bb3e3 MK |
204 | static void attach_tda8290(struct tuner *t) |
205 | { | |
206 | struct tda8290_config cfg = { | |
207 | .lna_cfg = &t->config, | |
208 | .tuner_callback = t->tuner_callback | |
209 | }; | |
210 | tda8290_attach(&t->fe, t->i2c.adapter, t->i2c.addr, &cfg); | |
211 | } | |
212 | ||
f7ce3cc6 | 213 | static void set_type(struct i2c_client *c, unsigned int type, |
de956c1e | 214 | unsigned int new_mode_mask, unsigned int new_config, |
cfeb8839 | 215 | int (*tuner_callback) (void *dev, int command,int arg)) |
1da177e4 LT |
216 | { |
217 | struct tuner *t = i2c_get_clientdata(c); | |
e18f9444 | 218 | struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops; |
586b0cab | 219 | unsigned char buffer[4]; |
1da177e4 | 220 | |
f7ce3cc6 MCC |
221 | if (type == UNSET || type == TUNER_ABSENT) { |
222 | tuner_dbg ("tuner 0x%02x: Tuner type absent\n",c->addr); | |
1da177e4 | 223 | return; |
f7ce3cc6 MCC |
224 | } |
225 | ||
226 | if (type >= tuner_count) { | |
227 | tuner_warn ("tuner 0x%02x: Tuner count greater than %d\n",c->addr,tuner_count); | |
1da177e4 | 228 | return; |
f7ce3cc6 | 229 | } |
1da177e4 | 230 | |
80f90fba HH |
231 | t->type = type; |
232 | t->config = new_config; | |
233 | if (tuner_callback != NULL) { | |
234 | tuner_dbg("defining GPIO callback\n"); | |
235 | t->tuner_callback = tuner_callback; | |
236 | } | |
237 | ||
f7ce3cc6 | 238 | /* This code detects calls by card attach_inform */ |
1da177e4 | 239 | if (NULL == t->i2c.dev.driver) { |
f7ce3cc6 MCC |
240 | tuner_dbg ("tuner 0x%02x: called during i2c_client register by adapter's attach_inform\n", c->addr); |
241 | ||
1da177e4 LT |
242 | return; |
243 | } | |
56fc08ca | 244 | |
b2083199 | 245 | /* discard private data, in case set_type() was previously called */ |
7a91a80a | 246 | if (t->ops.release) |
db8a6956 | 247 | t->ops.release(t); |
052c50d9 MK |
248 | else { |
249 | kfree(t->priv); | |
250 | t->priv = NULL; | |
251 | } | |
be2b85a1 | 252 | |
1da177e4 LT |
253 | switch (t->type) { |
254 | case TUNER_MT2032: | |
db8a6956 | 255 | microtune_init(t); |
1da177e4 LT |
256 | break; |
257 | case TUNER_PHILIPS_TDA8290: | |
910bb3e3 MK |
258 | { |
259 | attach_tda8290(t); | |
1da177e4 | 260 | break; |
910bb3e3 | 261 | } |
586b0cab | 262 | case TUNER_TEA5767: |
db8a6956 | 263 | if (tea5767_tuner_init(t) == EINVAL) { |
f7ce3cc6 MCC |
264 | t->type = TUNER_ABSENT; |
265 | t->mode_mask = T_UNINITIALIZED; | |
266 | return; | |
267 | } | |
268 | t->mode_mask = T_RADIO; | |
586b0cab | 269 | break; |
9ee476a5 | 270 | #ifdef CONFIG_TUNER_TEA5761 |
8573a9e6 | 271 | case TUNER_TEA5761: |
db8a6956 | 272 | if (tea5761_tuner_init(t) == EINVAL) { |
8573a9e6 MCC |
273 | t->type = TUNER_ABSENT; |
274 | t->mode_mask = T_UNINITIALIZED; | |
9ee476a5 | 275 | return; |
8573a9e6 MCC |
276 | } |
277 | t->mode_mask = T_RADIO; | |
278 | break; | |
279 | #endif | |
586b0cab MCC |
280 | case TUNER_PHILIPS_FMD1216ME_MK3: |
281 | buffer[0] = 0x0b; | |
282 | buffer[1] = 0xdc; | |
283 | buffer[2] = 0x9c; | |
284 | buffer[3] = 0x60; | |
f7ce3cc6 | 285 | i2c_master_send(c, buffer, 4); |
586b0cab MCC |
286 | mdelay(1); |
287 | buffer[2] = 0x86; | |
288 | buffer[3] = 0x54; | |
f7ce3cc6 | 289 | i2c_master_send(c, buffer, 4); |
db8a6956 | 290 | default_tuner_init(t); |
586b0cab | 291 | break; |
93df3413 HH |
292 | case TUNER_PHILIPS_TD1316: |
293 | buffer[0] = 0x0b; | |
294 | buffer[1] = 0xdc; | |
295 | buffer[2] = 0x86; | |
296 | buffer[3] = 0xa4; | |
297 | i2c_master_send(c,buffer,4); | |
db8a6956 | 298 | default_tuner_init(t); |
ac272ed7 | 299 | break; |
15396236 | 300 | case TUNER_TDA9887: |
db8a6956 | 301 | tda9887_tuner_init(t); |
15396236 | 302 | break; |
1da177e4 | 303 | default: |
db8a6956 | 304 | default_tuner_init(t); |
1da177e4 LT |
305 | break; |
306 | } | |
f7ce3cc6 | 307 | |
e18f9444 MK |
308 | if (fe_tuner_ops->set_analog_params) { |
309 | strlcpy(t->i2c.name, fe_tuner_ops->info.name, sizeof(t->i2c.name)); | |
310 | ||
311 | t->ops.set_tv_freq = fe_set_freq; | |
312 | t->ops.set_radio_freq = fe_set_freq; | |
313 | t->ops.standby = fe_standby; | |
314 | t->ops.release = fe_release; | |
315 | } | |
316 | ||
317 | tuner_info("type set to %s\n", t->i2c.name); | |
318 | ||
f7ce3cc6 MCC |
319 | if (t->mode_mask == T_UNINITIALIZED) |
320 | t->mode_mask = new_mode_mask; | |
321 | ||
27487d44 | 322 | set_freq(c, (V4L2_TUNER_RADIO == t->mode) ? t->radio_freq : t->tv_freq); |
f7ce3cc6 | 323 | tuner_dbg("%s %s I2C addr 0x%02x with type %d used for 0x%02x\n", |
604f28e2 | 324 | c->adapter->name, c->driver->driver.name, c->addr << 1, type, |
f7ce3cc6 | 325 | t->mode_mask); |
293197cd | 326 | tuner_i2c_address_check(t); |
1da177e4 LT |
327 | } |
328 | ||
f7ce3cc6 MCC |
329 | /* |
330 | * This function apply tuner config to tuner specified | |
331 | * by tun_setup structure. I addr is unset, then admin status | |
332 | * and tun addr status is more precise then current status, | |
333 | * it's applied. Otherwise status and type are applied only to | |
334 | * tuner with exactly the same addr. | |
335 | */ | |
336 | ||
337 | static void set_addr(struct i2c_client *c, struct tuner_setup *tun_setup) | |
338 | { | |
339 | struct tuner *t = i2c_get_clientdata(c); | |
340 | ||
15396236 MCC |
341 | tuner_dbg("set addr for type %i\n", t->type); |
342 | ||
de956c1e HH |
343 | if ( (t->type == UNSET && ((tun_setup->addr == ADDR_UNSET) && |
344 | (t->mode_mask & tun_setup->mode_mask))) || | |
345 | (tun_setup->addr == c->addr)) { | |
346 | set_type(c, tun_setup->type, tun_setup->mode_mask, | |
cfeb8839 | 347 | tun_setup->config, tun_setup->tuner_callback); |
f7ce3cc6 MCC |
348 | } |
349 | } | |
56fc08ca | 350 | |
f7ce3cc6 | 351 | static inline int check_mode(struct tuner *t, char *cmd) |
56fc08ca | 352 | { |
793cf9e6 MCC |
353 | if ((1 << t->mode & t->mode_mask) == 0) { |
354 | return EINVAL; | |
355 | } | |
356 | ||
357 | switch (t->mode) { | |
358 | case V4L2_TUNER_RADIO: | |
359 | tuner_dbg("Cmd %s accepted for radio\n", cmd); | |
360 | break; | |
361 | case V4L2_TUNER_ANALOG_TV: | |
362 | tuner_dbg("Cmd %s accepted for analog TV\n", cmd); | |
363 | break; | |
364 | case V4L2_TUNER_DIGITAL_TV: | |
365 | tuner_dbg("Cmd %s accepted for digital TV\n", cmd); | |
366 | break; | |
56fc08ca | 367 | } |
793cf9e6 | 368 | return 0; |
56fc08ca | 369 | } |
56fc08ca | 370 | |
f7ce3cc6 | 371 | /* get more precise norm info from insmod option */ |
1da177e4 LT |
372 | static int tuner_fixup_std(struct tuner *t) |
373 | { | |
374 | if ((t->std & V4L2_STD_PAL) == V4L2_STD_PAL) { | |
1da177e4 | 375 | switch (pal[0]) { |
e71ced1a HV |
376 | case '6': |
377 | tuner_dbg ("insmod fixup: PAL => PAL-60\n"); | |
378 | t->std = V4L2_STD_PAL_60; | |
379 | break; | |
1da177e4 LT |
380 | case 'b': |
381 | case 'B': | |
382 | case 'g': | |
383 | case 'G': | |
f7ce3cc6 | 384 | tuner_dbg ("insmod fixup: PAL => PAL-BG\n"); |
1da177e4 LT |
385 | t->std = V4L2_STD_PAL_BG; |
386 | break; | |
387 | case 'i': | |
388 | case 'I': | |
f7ce3cc6 | 389 | tuner_dbg ("insmod fixup: PAL => PAL-I\n"); |
1da177e4 LT |
390 | t->std = V4L2_STD_PAL_I; |
391 | break; | |
392 | case 'd': | |
393 | case 'D': | |
394 | case 'k': | |
395 | case 'K': | |
f7ce3cc6 | 396 | tuner_dbg ("insmod fixup: PAL => PAL-DK\n"); |
1da177e4 LT |
397 | t->std = V4L2_STD_PAL_DK; |
398 | break; | |
f7ce3cc6 MCC |
399 | case 'M': |
400 | case 'm': | |
401 | tuner_dbg ("insmod fixup: PAL => PAL-M\n"); | |
402 | t->std = V4L2_STD_PAL_M; | |
403 | break; | |
404 | case 'N': | |
405 | case 'n': | |
7e578191 MCC |
406 | if (pal[1] == 'c' || pal[1] == 'C') { |
407 | tuner_dbg("insmod fixup: PAL => PAL-Nc\n"); | |
408 | t->std = V4L2_STD_PAL_Nc; | |
409 | } else { | |
410 | tuner_dbg ("insmod fixup: PAL => PAL-N\n"); | |
411 | t->std = V4L2_STD_PAL_N; | |
412 | } | |
f7ce3cc6 | 413 | break; |
21d4df37 MCC |
414 | case '-': |
415 | /* default parameter, do nothing */ | |
416 | break; | |
417 | default: | |
418 | tuner_warn ("pal= argument not recognised\n"); | |
419 | break; | |
1da177e4 LT |
420 | } |
421 | } | |
f7ce3cc6 MCC |
422 | if ((t->std & V4L2_STD_SECAM) == V4L2_STD_SECAM) { |
423 | switch (secam[0]) { | |
7e578191 MCC |
424 | case 'b': |
425 | case 'B': | |
426 | case 'g': | |
427 | case 'G': | |
428 | case 'h': | |
429 | case 'H': | |
430 | tuner_dbg("insmod fixup: SECAM => SECAM-BGH\n"); | |
431 | t->std = V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H; | |
432 | break; | |
f7ce3cc6 MCC |
433 | case 'd': |
434 | case 'D': | |
435 | case 'k': | |
436 | case 'K': | |
437 | tuner_dbg ("insmod fixup: SECAM => SECAM-DK\n"); | |
438 | t->std = V4L2_STD_SECAM_DK; | |
439 | break; | |
440 | case 'l': | |
441 | case 'L': | |
800d3c6f MCC |
442 | if ((secam[1]=='C')||(secam[1]=='c')) { |
443 | tuner_dbg ("insmod fixup: SECAM => SECAM-L'\n"); | |
444 | t->std = V4L2_STD_SECAM_LC; | |
445 | } else { | |
446 | tuner_dbg ("insmod fixup: SECAM => SECAM-L\n"); | |
447 | t->std = V4L2_STD_SECAM_L; | |
448 | } | |
f7ce3cc6 | 449 | break; |
21d4df37 MCC |
450 | case '-': |
451 | /* default parameter, do nothing */ | |
452 | break; | |
453 | default: | |
454 | tuner_warn ("secam= argument not recognised\n"); | |
455 | break; | |
f7ce3cc6 MCC |
456 | } |
457 | } | |
458 | ||
7e578191 MCC |
459 | if ((t->std & V4L2_STD_NTSC) == V4L2_STD_NTSC) { |
460 | switch (ntsc[0]) { | |
461 | case 'm': | |
462 | case 'M': | |
463 | tuner_dbg("insmod fixup: NTSC => NTSC-M\n"); | |
464 | t->std = V4L2_STD_NTSC_M; | |
465 | break; | |
466 | case 'j': | |
467 | case 'J': | |
468 | tuner_dbg("insmod fixup: NTSC => NTSC_M_JP\n"); | |
469 | t->std = V4L2_STD_NTSC_M_JP; | |
470 | break; | |
d97a11e0 HV |
471 | case 'k': |
472 | case 'K': | |
473 | tuner_dbg("insmod fixup: NTSC => NTSC_M_KR\n"); | |
474 | t->std = V4L2_STD_NTSC_M_KR; | |
475 | break; | |
7e578191 MCC |
476 | case '-': |
477 | /* default parameter, do nothing */ | |
478 | break; | |
479 | default: | |
480 | tuner_info("ntsc= argument not recognised\n"); | |
481 | break; | |
482 | } | |
483 | } | |
1da177e4 LT |
484 | return 0; |
485 | } | |
486 | ||
db8a6956 | 487 | static void tuner_status(struct tuner *t) |
7e578191 | 488 | { |
7e578191 | 489 | unsigned long freq, freq_fraction; |
e18f9444 | 490 | struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops; |
7e578191 MCC |
491 | const char *p; |
492 | ||
493 | switch (t->mode) { | |
494 | case V4L2_TUNER_RADIO: p = "radio"; break; | |
495 | case V4L2_TUNER_ANALOG_TV: p = "analog TV"; break; | |
496 | case V4L2_TUNER_DIGITAL_TV: p = "digital TV"; break; | |
497 | default: p = "undefined"; break; | |
498 | } | |
499 | if (t->mode == V4L2_TUNER_RADIO) { | |
27487d44 HV |
500 | freq = t->radio_freq / 16000; |
501 | freq_fraction = (t->radio_freq % 16000) * 100 / 16000; | |
7e578191 | 502 | } else { |
27487d44 HV |
503 | freq = t->tv_freq / 16; |
504 | freq_fraction = (t->tv_freq % 16) * 100 / 16; | |
7e578191 MCC |
505 | } |
506 | tuner_info("Tuner mode: %s\n", p); | |
507 | tuner_info("Frequency: %lu.%02lu MHz\n", freq, freq_fraction); | |
4ae5c2e5 | 508 | tuner_info("Standard: 0x%08lx\n", (unsigned long)t->std); |
8a4b275f HV |
509 | if (t->mode != V4L2_TUNER_RADIO) |
510 | return; | |
e18f9444 MK |
511 | if (fe_tuner_ops->get_status) { |
512 | u32 tuner_status; | |
513 | ||
514 | fe_tuner_ops->get_status(&t->fe, &tuner_status); | |
515 | if (tuner_status & TUNER_STATUS_LOCKED) | |
516 | tuner_info("Tuner is locked.\n"); | |
517 | if (tuner_status & TUNER_STATUS_STEREO) | |
518 | tuner_info("Stereo: yes\n"); | |
519 | } | |
7a91a80a | 520 | if (t->ops.has_signal) { |
db8a6956 | 521 | tuner_info("Signal strength: %d\n", t->ops.has_signal(t)); |
8a4b275f | 522 | } |
7a91a80a | 523 | if (t->ops.is_stereo) { |
db8a6956 | 524 | tuner_info("Stereo: %s\n", t->ops.is_stereo(t) ? "yes" : "no"); |
7e578191 MCC |
525 | } |
526 | } | |
8a4b275f | 527 | |
1da177e4 LT |
528 | /* ---------------------------------------------------------------------- */ |
529 | ||
ba8fc399 | 530 | /* static vars: used only in tuner_attach and tuner_probe */ |
f7ce3cc6 MCC |
531 | static unsigned default_mode_mask; |
532 | ||
533 | /* During client attach, set_type is called by adapter's attach_inform callback. | |
534 | set_type must then be completed by tuner_attach. | |
535 | */ | |
1da177e4 LT |
536 | static int tuner_attach(struct i2c_adapter *adap, int addr, int kind) |
537 | { | |
538 | struct tuner *t; | |
539 | ||
f7ce3cc6 MCC |
540 | client_template.adapter = adap; |
541 | client_template.addr = addr; | |
1da177e4 | 542 | |
7408187d | 543 | t = kzalloc(sizeof(struct tuner), GFP_KERNEL); |
f7ce3cc6 MCC |
544 | if (NULL == t) |
545 | return -ENOMEM; | |
f7ce3cc6 | 546 | memcpy(&t->i2c, &client_template, sizeof(struct i2c_client)); |
1da177e4 | 547 | i2c_set_clientdata(&t->i2c, t); |
f7ce3cc6 | 548 | t->type = UNSET; |
f7ce3cc6 MCC |
549 | t->audmode = V4L2_TUNER_MODE_STEREO; |
550 | t->mode_mask = T_UNINITIALIZED; | |
7a91a80a | 551 | t->ops.tuner_status = tuner_status; |
f7ce3cc6 | 552 | |
fd3113e8 MCC |
553 | if (show_i2c) { |
554 | unsigned char buffer[16]; | |
555 | int i,rc; | |
556 | ||
557 | memset(buffer, 0, sizeof(buffer)); | |
558 | rc = i2c_master_recv(&t->i2c, buffer, sizeof(buffer)); | |
67678360 | 559 | tuner_info("I2C RECV = "); |
fd3113e8 MCC |
560 | for (i=0;i<rc;i++) |
561 | printk("%02x ",buffer[i]); | |
562 | printk("\n"); | |
563 | } | |
c28089a6 MH |
564 | /* HACK: This test were added to avoid tuner to probe tda9840 and tea6415c on the MXB card */ |
565 | if (adap->id == I2C_HW_SAA7146 && addr < 0x4a) | |
566 | return -ENODEV; | |
567 | ||
257c645d | 568 | /* autodetection code based on the i2c addr */ |
c5287ba1 | 569 | if (!no_autodetect) { |
13dd38d0 | 570 | switch (addr) { |
9ee476a5 | 571 | #ifdef CONFIG_TUNER_TEA5761 |
8573a9e6 | 572 | case 0x10: |
db8a6956 | 573 | if (tea5761_autodetection(t) != EINVAL) { |
8573a9e6 MCC |
574 | t->type = TUNER_TEA5761; |
575 | t->mode_mask = T_RADIO; | |
576 | t->mode = T_STANDBY; | |
577 | t->radio_freq = 87.5 * 16000; /* Sets freq to FM range */ | |
578 | default_mode_mask &= ~T_RADIO; | |
579 | ||
580 | goto register_client; | |
581 | } | |
582 | break; | |
583 | #endif | |
13dd38d0 MCC |
584 | case 0x42: |
585 | case 0x43: | |
586 | case 0x4a: | |
95736034 | 587 | case 0x4b: |
67678360 MCC |
588 | /* If chip is not tda8290, don't register. |
589 | since it can be tda9887*/ | |
910bb3e3 | 590 | if (tda8290_probe(t->i2c.adapter, t->i2c.addr) == 0) { |
15396236 MCC |
591 | tuner_dbg("chip at addr %x is a tda8290\n", addr); |
592 | } else { | |
593 | /* Default is being tda9887 */ | |
594 | t->type = TUNER_TDA9887; | |
595 | t->mode_mask = T_RADIO | T_ANALOG_TV | T_DIGITAL_TV; | |
596 | t->mode = T_STANDBY; | |
597 | goto register_client; | |
13dd38d0 | 598 | } |
07345f5d HH |
599 | break; |
600 | case 0x60: | |
db8a6956 | 601 | if (tea5767_autodetection(t) != EINVAL) { |
07345f5d HH |
602 | t->type = TUNER_TEA5767; |
603 | t->mode_mask = T_RADIO; | |
604 | t->mode = T_STANDBY; | |
27487d44 | 605 | t->radio_freq = 87.5 * 16000; /* Sets freq to FM range */ |
07345f5d | 606 | default_mode_mask &= ~T_RADIO; |
13dd38d0 | 607 | |
07345f5d HH |
608 | goto register_client; |
609 | } | |
610 | break; | |
f7ce3cc6 MCC |
611 | } |
612 | } | |
1da177e4 | 613 | |
f7ce3cc6 MCC |
614 | /* Initializes only the first adapter found */ |
615 | if (default_mode_mask != T_UNINITIALIZED) { | |
616 | tuner_dbg ("Setting mode_mask to 0x%02x\n", default_mode_mask); | |
617 | t->mode_mask = default_mode_mask; | |
27487d44 HV |
618 | t->tv_freq = 400 * 16; /* Sets freq to VHF High */ |
619 | t->radio_freq = 87.5 * 16000; /* Sets freq to FM range */ | |
f7ce3cc6 MCC |
620 | default_mode_mask = T_UNINITIALIZED; |
621 | } | |
56fc08ca | 622 | |
f7ce3cc6 | 623 | /* Should be just before return */ |
67678360 MCC |
624 | register_client: |
625 | tuner_info("chip found @ 0x%x (%s)\n", addr << 1, adap->name); | |
f7ce3cc6 | 626 | i2c_attach_client (&t->i2c); |
cfeb8839 | 627 | set_type (&t->i2c,t->type, t->mode_mask, t->config, t->tuner_callback); |
1da177e4 LT |
628 | return 0; |
629 | } | |
630 | ||
631 | static int tuner_probe(struct i2c_adapter *adap) | |
632 | { | |
633 | if (0 != addr) { | |
f5bec396 MCC |
634 | normal_i2c[0] = addr; |
635 | normal_i2c[1] = I2C_CLIENT_END; | |
1da177e4 | 636 | } |
1da177e4 | 637 | |
f7ce3cc6 | 638 | default_mode_mask = T_RADIO | T_ANALOG_TV | T_DIGITAL_TV; |
391cd727 | 639 | |
1da177e4 LT |
640 | if (adap->class & I2C_CLASS_TV_ANALOG) |
641 | return i2c_probe(adap, &addr_data, tuner_attach); | |
642 | return 0; | |
643 | } | |
644 | ||
645 | static int tuner_detach(struct i2c_client *client) | |
646 | { | |
647 | struct tuner *t = i2c_get_clientdata(client); | |
391cd727 MCC |
648 | int err; |
649 | ||
f7ce3cc6 | 650 | err = i2c_detach_client(&t->i2c); |
391cd727 | 651 | if (err) { |
f7ce3cc6 MCC |
652 | tuner_warn |
653 | ("Client deregistration failed, client not detached.\n"); | |
391cd727 MCC |
654 | return err; |
655 | } | |
1da177e4 | 656 | |
7a91a80a | 657 | if (t->ops.release) |
db8a6956 | 658 | t->ops.release(t); |
052c50d9 MK |
659 | else { |
660 | kfree(t->priv); | |
661 | } | |
1da177e4 LT |
662 | kfree(t); |
663 | return 0; | |
664 | } | |
665 | ||
f7ce3cc6 MCC |
666 | /* |
667 | * Switch tuner to other mode. If tuner support both tv and radio, | |
668 | * set another frequency to some value (This is needed for some pal | |
669 | * tuners to avoid locking). Otherwise, just put second tuner in | |
670 | * standby mode. | |
671 | */ | |
672 | ||
673 | static inline int set_mode(struct i2c_client *client, struct tuner *t, int mode, char *cmd) | |
674 | { | |
4ac97914 MCC |
675 | if (mode == t->mode) |
676 | return 0; | |
677 | ||
678 | t->mode = mode; | |
679 | ||
680 | if (check_mode(t, cmd) == EINVAL) { | |
681 | t->mode = T_STANDBY; | |
7a91a80a | 682 | if (t->ops.standby) |
db8a6956 | 683 | t->ops.standby(t); |
4ac97914 MCC |
684 | return EINVAL; |
685 | } | |
686 | return 0; | |
f7ce3cc6 MCC |
687 | } |
688 | ||
689 | #define switch_v4l2() if (!t->using_v4l2) \ | |
4ac97914 MCC |
690 | tuner_dbg("switching to v4l2\n"); \ |
691 | t->using_v4l2 = 1; | |
f7ce3cc6 MCC |
692 | |
693 | static inline int check_v4l2(struct tuner *t) | |
694 | { | |
3bbe5a83 HV |
695 | /* bttv still uses both v4l1 and v4l2 calls to the tuner (v4l2 for |
696 | TV, v4l1 for radio), until that is fixed this code is disabled. | |
697 | Otherwise the radio (v4l1) wouldn't tune after using the TV (v4l2) | |
698 | first. */ | |
f7ce3cc6 MCC |
699 | return 0; |
700 | } | |
1da177e4 | 701 | |
f7ce3cc6 | 702 | static int tuner_command(struct i2c_client *client, unsigned int cmd, void *arg) |
1da177e4 LT |
703 | { |
704 | struct tuner *t = i2c_get_clientdata(client); | |
e18f9444 | 705 | struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops; |
1da177e4 | 706 | |
f9195ded | 707 | if (tuner_debug>1) |
5e453dc7 MK |
708 | v4l_i2c_print_ioctl(&(t->i2c),cmd); |
709 | ||
f7ce3cc6 | 710 | switch (cmd) { |
1da177e4 | 711 | /* --- configuration --- */ |
56fc08ca | 712 | case TUNER_SET_TYPE_ADDR: |
de956c1e | 713 | tuner_dbg ("Calling set_type_addr for type=%d, addr=0x%02x, mode=0x%02x, config=0x%02x\n", |
f7ce3cc6 MCC |
714 | ((struct tuner_setup *)arg)->type, |
715 | ((struct tuner_setup *)arg)->addr, | |
de956c1e HH |
716 | ((struct tuner_setup *)arg)->mode_mask, |
717 | ((struct tuner_setup *)arg)->config); | |
f7ce3cc6 MCC |
718 | |
719 | set_addr(client, (struct tuner_setup *)arg); | |
391cd727 | 720 | break; |
1da177e4 | 721 | case AUDC_SET_RADIO: |
27487d44 HV |
722 | if (set_mode(client, t, V4L2_TUNER_RADIO, "AUDC_SET_RADIO") |
723 | == EINVAL) | |
724 | return 0; | |
725 | if (t->radio_freq) | |
726 | set_freq(client, t->radio_freq); | |
1da177e4 | 727 | break; |
793cf9e6 | 728 | case TUNER_SET_STANDBY: |
27487d44 HV |
729 | if (check_mode(t, "TUNER_SET_STANDBY") == EINVAL) |
730 | return 0; | |
15396236 | 731 | t->mode = T_STANDBY; |
7a91a80a | 732 | if (t->ops.standby) |
db8a6956 | 733 | t->ops.standby(t); |
27487d44 | 734 | break; |
985bc96e | 735 | #ifdef CONFIG_VIDEO_V4L1 |
fd3113e8 MCC |
736 | case VIDIOCSAUDIO: |
737 | if (check_mode(t, "VIDIOCSAUDIO") == EINVAL) | |
738 | return 0; | |
739 | if (check_v4l2(t) == EINVAL) | |
740 | return 0; | |
741 | ||
742 | /* Should be implemented, since bttv calls it */ | |
743 | tuner_dbg("VIDIOCSAUDIO not implemented.\n"); | |
f7ce3cc6 | 744 | break; |
1da177e4 | 745 | case VIDIOCSCHAN: |
f7ce3cc6 MCC |
746 | { |
747 | static const v4l2_std_id map[] = { | |
748 | [VIDEO_MODE_PAL] = V4L2_STD_PAL, | |
749 | [VIDEO_MODE_NTSC] = V4L2_STD_NTSC_M, | |
750 | [VIDEO_MODE_SECAM] = V4L2_STD_SECAM, | |
751 | [4 /* bttv */ ] = V4L2_STD_PAL_M, | |
752 | [5 /* bttv */ ] = V4L2_STD_PAL_N, | |
753 | [6 /* bttv */ ] = V4L2_STD_NTSC_M_JP, | |
754 | }; | |
755 | struct video_channel *vc = arg; | |
756 | ||
757 | if (check_v4l2(t) == EINVAL) | |
758 | return 0; | |
759 | ||
760 | if (set_mode(client,t,V4L2_TUNER_ANALOG_TV, "VIDIOCSCHAN")==EINVAL) | |
761 | return 0; | |
762 | ||
763 | if (vc->norm < ARRAY_SIZE(map)) | |
764 | t->std = map[vc->norm]; | |
765 | tuner_fixup_std(t); | |
27487d44 HV |
766 | if (t->tv_freq) |
767 | set_tv_freq(client, t->tv_freq); | |
f7ce3cc6 MCC |
768 | return 0; |
769 | } | |
1da177e4 | 770 | case VIDIOCSFREQ: |
f7ce3cc6 MCC |
771 | { |
772 | unsigned long *v = arg; | |
1da177e4 | 773 | |
f7ce3cc6 MCC |
774 | if (check_mode(t, "VIDIOCSFREQ") == EINVAL) |
775 | return 0; | |
776 | if (check_v4l2(t) == EINVAL) | |
777 | return 0; | |
778 | ||
779 | set_freq(client, *v); | |
780 | return 0; | |
781 | } | |
1da177e4 | 782 | case VIDIOCGTUNER: |
f7ce3cc6 MCC |
783 | { |
784 | struct video_tuner *vt = arg; | |
785 | ||
786 | if (check_mode(t, "VIDIOCGTUNER") == EINVAL) | |
787 | return 0; | |
788 | if (check_v4l2(t) == EINVAL) | |
789 | return 0; | |
790 | ||
791 | if (V4L2_TUNER_RADIO == t->mode) { | |
e18f9444 MK |
792 | if (fe_tuner_ops->get_status) { |
793 | u32 tuner_status; | |
794 | ||
795 | fe_tuner_ops->get_status(&t->fe, &tuner_status); | |
796 | if (tuner_status & TUNER_STATUS_STEREO) | |
797 | vt->flags |= VIDEO_TUNER_STEREO_ON; | |
798 | else | |
799 | vt->flags &= ~VIDEO_TUNER_STEREO_ON; | |
800 | vt->signal = tuner_status & TUNER_STATUS_LOCKED | |
801 | ? 65535 : 0; | |
802 | } else { | |
803 | if (t->ops.is_stereo) { | |
804 | if (t->ops.is_stereo(t)) | |
805 | vt->flags |= | |
806 | VIDEO_TUNER_STEREO_ON; | |
807 | else | |
808 | vt->flags &= | |
809 | ~VIDEO_TUNER_STEREO_ON; | |
810 | } | |
811 | if (t->ops.has_signal) | |
812 | vt->signal = t->ops.has_signal(t); | |
f7ce3cc6 MCC |
813 | } |
814 | vt->flags |= VIDEO_TUNER_LOW; /* Allow freqs at 62.5 Hz */ | |
586b0cab | 815 | |
f7ce3cc6 MCC |
816 | vt->rangelow = radio_range[0] * 16000; |
817 | vt->rangehigh = radio_range[1] * 16000; | |
586b0cab | 818 | |
f7ce3cc6 MCC |
819 | } else { |
820 | vt->rangelow = tv_range[0] * 16; | |
821 | vt->rangehigh = tv_range[1] * 16; | |
822 | } | |
56fc08ca | 823 | |
f7ce3cc6 MCC |
824 | return 0; |
825 | } | |
1da177e4 | 826 | case VIDIOCGAUDIO: |
f7ce3cc6 MCC |
827 | { |
828 | struct video_audio *va = arg; | |
829 | ||
830 | if (check_mode(t, "VIDIOCGAUDIO") == EINVAL) | |
831 | return 0; | |
832 | if (check_v4l2(t) == EINVAL) | |
833 | return 0; | |
834 | ||
e18f9444 MK |
835 | if (V4L2_TUNER_RADIO == t->mode) { |
836 | if (fe_tuner_ops->get_status) { | |
837 | u32 tuner_status; | |
838 | ||
839 | fe_tuner_ops->get_status(&t->fe, &tuner_status); | |
840 | va->mode = (tuner_status & TUNER_STATUS_STEREO) | |
841 | ? VIDEO_SOUND_STEREO : VIDEO_SOUND_MONO; | |
842 | } else if (t->ops.is_stereo) | |
843 | va->mode = t->ops.is_stereo(t) | |
844 | ? VIDEO_SOUND_STEREO : VIDEO_SOUND_MONO; | |
845 | } | |
f7ce3cc6 MCC |
846 | return 0; |
847 | } | |
985bc96e MCC |
848 | #endif |
849 | case TDA9887_SET_CONFIG: | |
850 | if (t->type == TUNER_TDA9887) { | |
851 | int *i = arg; | |
1da177e4 | 852 | |
985bc96e MCC |
853 | t->tda9887_config = *i; |
854 | set_freq(client, t->tv_freq); | |
855 | } | |
856 | break; | |
857 | /* --- v4l ioctls --- */ | |
858 | /* take care: bttv does userspace copying, we'll get a | |
859 | kernel pointer here... */ | |
1da177e4 | 860 | case VIDIOC_S_STD: |
f7ce3cc6 MCC |
861 | { |
862 | v4l2_std_id *id = arg; | |
1da177e4 | 863 | |
f7ce3cc6 MCC |
864 | if (set_mode (client, t, V4L2_TUNER_ANALOG_TV, "VIDIOC_S_STD") |
865 | == EINVAL) | |
866 | return 0; | |
56fc08ca | 867 | |
f7ce3cc6 MCC |
868 | switch_v4l2(); |
869 | ||
870 | t->std = *id; | |
871 | tuner_fixup_std(t); | |
27487d44 HV |
872 | if (t->tv_freq) |
873 | set_freq(client, t->tv_freq); | |
f7ce3cc6 MCC |
874 | break; |
875 | } | |
1da177e4 | 876 | case VIDIOC_S_FREQUENCY: |
f7ce3cc6 MCC |
877 | { |
878 | struct v4l2_frequency *f = arg; | |
879 | ||
4f725cb3 HV |
880 | if (set_mode (client, t, f->type, "VIDIOC_S_FREQUENCY") |
881 | == EINVAL) | |
882 | return 0; | |
f7ce3cc6 | 883 | switch_v4l2(); |
27487d44 | 884 | set_freq(client,f->frequency); |
c184ca36 | 885 | |
f7ce3cc6 MCC |
886 | break; |
887 | } | |
888 | case VIDIOC_G_FREQUENCY: | |
889 | { | |
890 | struct v4l2_frequency *f = arg; | |
891 | ||
892 | if (check_mode(t, "VIDIOC_G_FREQUENCY") == EINVAL) | |
893 | return 0; | |
894 | switch_v4l2(); | |
895 | f->type = t->mode; | |
e18f9444 MK |
896 | if (fe_tuner_ops->get_frequency) { |
897 | u32 abs_freq; | |
898 | ||
899 | fe_tuner_ops->get_frequency(&t->fe, &abs_freq); | |
900 | f->frequency = (V4L2_TUNER_RADIO == t->mode) ? | |
901 | (abs_freq * 2 + 125/2) / 125 : | |
902 | (abs_freq + 62500/2) / 62500; | |
903 | break; | |
904 | } | |
27487d44 HV |
905 | f->frequency = (V4L2_TUNER_RADIO == t->mode) ? |
906 | t->radio_freq : t->tv_freq; | |
f7ce3cc6 MCC |
907 | break; |
908 | } | |
1da177e4 | 909 | case VIDIOC_G_TUNER: |
f7ce3cc6 MCC |
910 | { |
911 | struct v4l2_tuner *tuner = arg; | |
912 | ||
913 | if (check_mode(t, "VIDIOC_G_TUNER") == EINVAL) | |
914 | return 0; | |
915 | switch_v4l2(); | |
916 | ||
8a4b275f | 917 | tuner->type = t->mode; |
7a91a80a | 918 | if (t->ops.get_afc) |
db8a6956 | 919 | tuner->afc=t->ops.get_afc(t); |
ab4cecf9 HV |
920 | if (t->mode == V4L2_TUNER_ANALOG_TV) |
921 | tuner->capability |= V4L2_TUNER_CAP_NORM; | |
8a4b275f | 922 | if (t->mode != V4L2_TUNER_RADIO) { |
f7ce3cc6 MCC |
923 | tuner->rangelow = tv_range[0] * 16; |
924 | tuner->rangehigh = tv_range[1] * 16; | |
8a4b275f HV |
925 | break; |
926 | } | |
927 | ||
928 | /* radio mode */ | |
8a4b275f HV |
929 | tuner->rxsubchans = |
930 | V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO; | |
e18f9444 MK |
931 | if (fe_tuner_ops->get_status) { |
932 | u32 tuner_status; | |
933 | ||
934 | fe_tuner_ops->get_status(&t->fe, &tuner_status); | |
935 | tuner->rxsubchans = (tuner_status & TUNER_STATUS_STEREO) ? | |
8a4b275f | 936 | V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO; |
e18f9444 MK |
937 | tuner->signal = tuner_status & TUNER_STATUS_LOCKED ? 65535 : 0; |
938 | } else { | |
939 | if (t->ops.is_stereo) { | |
940 | tuner->rxsubchans = t->ops.is_stereo(t) ? | |
941 | V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO; | |
942 | } | |
943 | if (t->ops.has_signal) | |
944 | tuner->signal = t->ops.has_signal(t); | |
56fc08ca | 945 | } |
8a4b275f HV |
946 | tuner->capability |= |
947 | V4L2_TUNER_CAP_LOW | V4L2_TUNER_CAP_STEREO; | |
948 | tuner->audmode = t->audmode; | |
949 | tuner->rangelow = radio_range[0] * 16000; | |
950 | tuner->rangehigh = radio_range[1] * 16000; | |
f7ce3cc6 MCC |
951 | break; |
952 | } | |
953 | case VIDIOC_S_TUNER: | |
954 | { | |
955 | struct v4l2_tuner *tuner = arg; | |
956 | ||
957 | if (check_mode(t, "VIDIOC_S_TUNER") == EINVAL) | |
958 | return 0; | |
959 | ||
960 | switch_v4l2(); | |
961 | ||
8a4b275f HV |
962 | /* do nothing unless we're a radio tuner */ |
963 | if (t->mode != V4L2_TUNER_RADIO) | |
964 | break; | |
965 | t->audmode = tuner->audmode; | |
966 | set_radio_freq(client, t->radio_freq); | |
f7ce3cc6 | 967 | break; |
56fc08ca | 968 | } |
cd43c3f6 | 969 | case VIDIOC_LOG_STATUS: |
7a91a80a | 970 | if (t->ops.tuner_status) |
db8a6956 | 971 | t->ops.tuner_status(t); |
cd43c3f6 | 972 | break; |
1da177e4 LT |
973 | } |
974 | ||
975 | return 0; | |
976 | } | |
977 | ||
21b48a70 | 978 | static int tuner_suspend(struct i2c_client *c, pm_message_t state) |
1da177e4 | 979 | { |
f7ce3cc6 | 980 | struct tuner *t = i2c_get_clientdata (c); |
1da177e4 | 981 | |
f7ce3cc6 | 982 | tuner_dbg ("suspend\n"); |
1da177e4 LT |
983 | /* FIXME: power down ??? */ |
984 | return 0; | |
985 | } | |
986 | ||
21b48a70 | 987 | static int tuner_resume(struct i2c_client *c) |
1da177e4 | 988 | { |
f7ce3cc6 | 989 | struct tuner *t = i2c_get_clientdata (c); |
1da177e4 | 990 | |
f7ce3cc6 | 991 | tuner_dbg ("resume\n"); |
27487d44 HV |
992 | if (V4L2_TUNER_RADIO == t->mode) { |
993 | if (t->radio_freq) | |
994 | set_freq(c, t->radio_freq); | |
995 | } else { | |
996 | if (t->tv_freq) | |
997 | set_freq(c, t->tv_freq); | |
998 | } | |
1da177e4 LT |
999 | return 0; |
1000 | } | |
1001 | ||
1002 | /* ----------------------------------------------------------------------- */ | |
1003 | ||
1004 | static struct i2c_driver driver = { | |
f7ce3cc6 | 1005 | .id = I2C_DRIVERID_TUNER, |
f7ce3cc6 MCC |
1006 | .attach_adapter = tuner_probe, |
1007 | .detach_client = tuner_detach, | |
1008 | .command = tuner_command, | |
21b48a70 JD |
1009 | .suspend = tuner_suspend, |
1010 | .resume = tuner_resume, | |
1da177e4 | 1011 | .driver = { |
cab462f7 | 1012 | .name = "tuner", |
cab462f7 | 1013 | }, |
1da177e4 | 1014 | }; |
f7ce3cc6 | 1015 | static struct i2c_client client_template = { |
fae91e72 | 1016 | .name = "(tuner unset)", |
f7ce3cc6 | 1017 | .driver = &driver, |
1da177e4 LT |
1018 | }; |
1019 | ||
1020 | static int __init tuner_init_module(void) | |
1021 | { | |
1022 | return i2c_add_driver(&driver); | |
1023 | } | |
1024 | ||
1025 | static void __exit tuner_cleanup_module(void) | |
1026 | { | |
1027 | i2c_del_driver(&driver); | |
1028 | } | |
1029 | ||
1030 | module_init(tuner_init_module); | |
1031 | module_exit(tuner_cleanup_module); | |
1032 | ||
1033 | /* | |
1034 | * Overrides for Emacs so that we follow Linus's tabbing style. | |
1035 | * --------------------------------------------------------------------------- | |
1036 | * Local variables: | |
1037 | * c-basic-offset: 8 | |
1038 | * End: | |
1039 | */ |