1 /****************************************************************
2
3 Siano Mobile Silicon, Inc.
4 MDTV receiver kernel modules.
5 Copyright (C) 2006-2008, Uri Shkolnik
6
7 This program is free software: you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation, either version 2 of the License, or
10 (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>.
19
20 ****************************************************************/
21
22 #include <linux/module.h>
23 #include <linux/slab.h>
24 #include <linux/init.h>
25 #include <asm/div64.h>
26
27 #include "dmxdev.h"
28 #include "dvbdev.h"
29 #include "dvb_demux.h"
30 #include "dvb_frontend.h"
31
32 #include "smscoreapi.h"
33 #include "sms-cards.h"
34
35 #include "smsdvb.h"
36
37 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
38
39 static struct list_head g_smsdvb_clients;
40 static struct mutex g_smsdvb_clientslock;
41
42 static int sms_dbg;
43 module_param_named(debug, sms_dbg, int, 0644);
44 MODULE_PARM_DESC(debug, "set debug level (info=1, adv=2 (or-able))");
45
46
47 u32 sms_to_guard_interval_table[] = {
48 [0] = GUARD_INTERVAL_1_32,
49 [1] = GUARD_INTERVAL_1_16,
50 [2] = GUARD_INTERVAL_1_8,
51 [3] = GUARD_INTERVAL_1_4,
52 };
53
54 u32 sms_to_code_rate_table[] = {
55 [0] = FEC_1_2,
56 [1] = FEC_2_3,
57 [2] = FEC_3_4,
58 [3] = FEC_5_6,
59 [4] = FEC_7_8,
60 };
61
62
63 u32 sms_to_hierarchy_table[] = {
64 [0] = HIERARCHY_NONE,
65 [1] = HIERARCHY_1,
66 [2] = HIERARCHY_2,
67 [3] = HIERARCHY_4,
68 };
69
70 u32 sms_to_modulation_table[] = {
71 [0] = QPSK,
72 [1] = QAM_16,
73 [2] = QAM_64,
74 [3] = DQPSK,
75 };
76
77
78 /* Events that may come from DVB v3 adapter */
sms_board_dvb3_event(struct smsdvb_client_t * client,enum SMS_DVB3_EVENTS event)79 static void sms_board_dvb3_event(struct smsdvb_client_t *client,
80 enum SMS_DVB3_EVENTS event) {
81
82 struct smscore_device_t *coredev = client->coredev;
83 switch (event) {
84 case DVB3_EVENT_INIT:
85 sms_debug("DVB3_EVENT_INIT");
86 sms_board_event(coredev, BOARD_EVENT_BIND);
87 break;
88 case DVB3_EVENT_SLEEP:
89 sms_debug("DVB3_EVENT_SLEEP");
90 sms_board_event(coredev, BOARD_EVENT_POWER_SUSPEND);
91 break;
92 case DVB3_EVENT_HOTPLUG:
93 sms_debug("DVB3_EVENT_HOTPLUG");
94 sms_board_event(coredev, BOARD_EVENT_POWER_INIT);
95 break;
96 case DVB3_EVENT_FE_LOCK:
97 if (client->event_fe_state != DVB3_EVENT_FE_LOCK) {
98 client->event_fe_state = DVB3_EVENT_FE_LOCK;
99 sms_debug("DVB3_EVENT_FE_LOCK");
100 sms_board_event(coredev, BOARD_EVENT_FE_LOCK);
101 }
102 break;
103 case DVB3_EVENT_FE_UNLOCK:
104 if (client->event_fe_state != DVB3_EVENT_FE_UNLOCK) {
105 client->event_fe_state = DVB3_EVENT_FE_UNLOCK;
106 sms_debug("DVB3_EVENT_FE_UNLOCK");
107 sms_board_event(coredev, BOARD_EVENT_FE_UNLOCK);
108 }
109 break;
110 case DVB3_EVENT_UNC_OK:
111 if (client->event_unc_state != DVB3_EVENT_UNC_OK) {
112 client->event_unc_state = DVB3_EVENT_UNC_OK;
113 sms_debug("DVB3_EVENT_UNC_OK");
114 sms_board_event(coredev, BOARD_EVENT_MULTIPLEX_OK);
115 }
116 break;
117 case DVB3_EVENT_UNC_ERR:
118 if (client->event_unc_state != DVB3_EVENT_UNC_ERR) {
119 client->event_unc_state = DVB3_EVENT_UNC_ERR;
120 sms_debug("DVB3_EVENT_UNC_ERR");
121 sms_board_event(coredev, BOARD_EVENT_MULTIPLEX_ERRORS);
122 }
123 break;
124
125 default:
126 sms_err("Unknown dvb3 api event");
127 break;
128 }
129 }
130
smsdvb_stats_not_ready(struct dvb_frontend * fe)131 static void smsdvb_stats_not_ready(struct dvb_frontend *fe)
132 {
133 struct smsdvb_client_t *client =
134 container_of(fe, struct smsdvb_client_t, frontend);
135 struct smscore_device_t *coredev = client->coredev;
136 struct dtv_frontend_properties *c = &fe->dtv_property_cache;
137 int i, n_layers;
138
139 switch (smscore_get_device_mode(coredev)) {
140 case DEVICE_MODE_ISDBT:
141 case DEVICE_MODE_ISDBT_BDA:
142 n_layers = 4;
143 default:
144 n_layers = 1;
145 }
146
147 /* Global stats */
148 c->strength.len = 1;
149 c->cnr.len = 1;
150 c->strength.stat[0].scale = FE_SCALE_DECIBEL;
151 c->cnr.stat[0].scale = FE_SCALE_DECIBEL;
152
153 /* Per-layer stats */
154 c->post_bit_error.len = n_layers;
155 c->post_bit_count.len = n_layers;
156 c->block_error.len = n_layers;
157 c->block_count.len = n_layers;
158
159 /*
160 * Put all of them at FE_SCALE_NOT_AVAILABLE. They're dynamically
161 * changed when the stats become available.
162 */
163 for (i = 0; i < n_layers; i++) {
164 c->post_bit_error.stat[i].scale = FE_SCALE_NOT_AVAILABLE;
165 c->post_bit_count.stat[i].scale = FE_SCALE_NOT_AVAILABLE;
166 c->block_error.stat[i].scale = FE_SCALE_NOT_AVAILABLE;
167 c->block_count.stat[i].scale = FE_SCALE_NOT_AVAILABLE;
168 }
169 }
170
sms_to_mode(u32 mode)171 static inline int sms_to_mode(u32 mode)
172 {
173 switch (mode) {
174 case 2:
175 return TRANSMISSION_MODE_2K;
176 case 4:
177 return TRANSMISSION_MODE_4K;
178 case 8:
179 return TRANSMISSION_MODE_8K;
180 }
181 return TRANSMISSION_MODE_AUTO;
182 }
183
sms_to_status(u32 is_demod_locked,u32 is_rf_locked)184 static inline int sms_to_status(u32 is_demod_locked, u32 is_rf_locked)
185 {
186 if (is_demod_locked)
187 return FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_VITERBI |
188 FE_HAS_SYNC | FE_HAS_LOCK;
189
190 if (is_rf_locked)
191 return FE_HAS_SIGNAL | FE_HAS_CARRIER;
192
193 return 0;
194 }
195
sms_to_bw(u32 value)196 static inline u32 sms_to_bw(u32 value)
197 {
198 return value * 1000000;
199 }
200
201 #define convert_from_table(value, table, defval) ({ \
202 u32 __ret; \
203 if (value < ARRAY_SIZE(table)) \
204 __ret = table[value]; \
205 else \
206 __ret = defval; \
207 __ret; \
208 })
209
210 #define sms_to_guard_interval(value) \
211 convert_from_table(value, sms_to_guard_interval_table, \
212 GUARD_INTERVAL_AUTO);
213
214 #define sms_to_code_rate(value) \
215 convert_from_table(value, sms_to_code_rate_table, \
216 FEC_NONE);
217
218 #define sms_to_hierarchy(value) \
219 convert_from_table(value, sms_to_hierarchy_table, \
220 FEC_NONE);
221
222 #define sms_to_modulation(value) \
223 convert_from_table(value, sms_to_modulation_table, \
224 FEC_NONE);
225
smsdvb_update_tx_params(struct smsdvb_client_t * client,struct sms_tx_stats * p)226 static void smsdvb_update_tx_params(struct smsdvb_client_t *client,
227 struct sms_tx_stats *p)
228 {
229 struct dvb_frontend *fe = &client->frontend;
230 struct dtv_frontend_properties *c = &fe->dtv_property_cache;
231
232 c->frequency = p->frequency;
233 client->fe_status = sms_to_status(p->is_demod_locked, 0);
234 c->bandwidth_hz = sms_to_bw(p->bandwidth);
235 c->transmission_mode = sms_to_mode(p->transmission_mode);
236 c->guard_interval = sms_to_guard_interval(p->guard_interval);
237 c->code_rate_HP = sms_to_code_rate(p->code_rate);
238 c->code_rate_LP = sms_to_code_rate(p->lp_code_rate);
239 c->hierarchy = sms_to_hierarchy(p->hierarchy);
240 c->modulation = sms_to_modulation(p->constellation);
241 }
242
smsdvb_update_per_slices(struct smsdvb_client_t * client,struct RECEPTION_STATISTICS_PER_SLICES_S * p)243 static void smsdvb_update_per_slices(struct smsdvb_client_t *client,
244 struct RECEPTION_STATISTICS_PER_SLICES_S *p)
245 {
246 struct dvb_frontend *fe = &client->frontend;
247 struct dtv_frontend_properties *c = &fe->dtv_property_cache;
248 u64 tmp;
249
250 client->fe_status = sms_to_status(p->is_demod_locked, p->is_rf_locked);
251 c->modulation = sms_to_modulation(p->constellation);
252
253 /* signal Strength, in DBm */
254 c->strength.stat[0].uvalue = p->in_band_power * 1000;
255
256 /* Carrier to noise ratio, in DB */
257 c->cnr.stat[0].svalue = p->snr * 1000;
258
259 /* PER/BER requires demod lock */
260 if (!p->is_demod_locked)
261 return;
262
263 /* TS PER */
264 client->last_per = c->block_error.stat[0].uvalue;
265 c->block_error.stat[0].scale = FE_SCALE_COUNTER;
266 c->block_count.stat[0].scale = FE_SCALE_COUNTER;
267 c->block_error.stat[0].uvalue += p->ets_packets;
268 c->block_count.stat[0].uvalue += p->ets_packets + p->ts_packets;
269
270 /* ber */
271 c->post_bit_error.stat[0].scale = FE_SCALE_COUNTER;
272 c->post_bit_count.stat[0].scale = FE_SCALE_COUNTER;
273 c->post_bit_error.stat[0].uvalue += p->ber_error_count;
274 c->post_bit_count.stat[0].uvalue += p->ber_bit_count;
275
276 /* Legacy PER/BER */
277 tmp = p->ets_packets * 65535;
278 do_div(tmp, p->ts_packets + p->ets_packets);
279 client->legacy_per = tmp;
280 }
281
smsdvb_update_dvb_stats(struct smsdvb_client_t * client,struct sms_stats * p)282 static void smsdvb_update_dvb_stats(struct smsdvb_client_t *client,
283 struct sms_stats *p)
284 {
285 struct dvb_frontend *fe = &client->frontend;
286 struct dtv_frontend_properties *c = &fe->dtv_property_cache;
287
288 if (client->prt_dvb_stats)
289 client->prt_dvb_stats(client->debug_data, p);
290
291 client->fe_status = sms_to_status(p->is_demod_locked, p->is_rf_locked);
292
293 /* Update DVB modulation parameters */
294 c->frequency = p->frequency;
295 client->fe_status = sms_to_status(p->is_demod_locked, 0);
296 c->bandwidth_hz = sms_to_bw(p->bandwidth);
297 c->transmission_mode = sms_to_mode(p->transmission_mode);
298 c->guard_interval = sms_to_guard_interval(p->guard_interval);
299 c->code_rate_HP = sms_to_code_rate(p->code_rate);
300 c->code_rate_LP = sms_to_code_rate(p->lp_code_rate);
301 c->hierarchy = sms_to_hierarchy(p->hierarchy);
302 c->modulation = sms_to_modulation(p->constellation);
303
304 /* update reception data */
305 c->lna = p->is_external_lna_on ? 1 : 0;
306
307 /* Carrier to noise ratio, in DB */
308 c->cnr.stat[0].svalue = p->SNR * 1000;
309
310 /* signal Strength, in DBm */
311 c->strength.stat[0].uvalue = p->in_band_pwr * 1000;
312
313 /* PER/BER requires demod lock */
314 if (!p->is_demod_locked)
315 return;
316
317 /* TS PER */
318 client->last_per = c->block_error.stat[0].uvalue;
319 c->block_error.stat[0].scale = FE_SCALE_COUNTER;
320 c->block_count.stat[0].scale = FE_SCALE_COUNTER;
321 c->block_error.stat[0].uvalue += p->error_ts_packets;
322 c->block_count.stat[0].uvalue += p->total_ts_packets;
323
324 /* ber */
325 c->post_bit_error.stat[0].scale = FE_SCALE_COUNTER;
326 c->post_bit_count.stat[0].scale = FE_SCALE_COUNTER;
327 c->post_bit_error.stat[0].uvalue += p->ber_error_count;
328 c->post_bit_count.stat[0].uvalue += p->ber_bit_count;
329
330 /* Legacy PER/BER */
331 client->legacy_ber = p->ber;
332 };
333
smsdvb_update_isdbt_stats(struct smsdvb_client_t * client,struct sms_isdbt_stats * p)334 static void smsdvb_update_isdbt_stats(struct smsdvb_client_t *client,
335 struct sms_isdbt_stats *p)
336 {
337 struct dvb_frontend *fe = &client->frontend;
338 struct dtv_frontend_properties *c = &fe->dtv_property_cache;
339 struct sms_isdbt_layer_stats *lr;
340 int i, n_layers;
341
342 if (client->prt_isdb_stats)
343 client->prt_isdb_stats(client->debug_data, p);
344
345 client->fe_status = sms_to_status(p->is_demod_locked, p->is_rf_locked);
346
347 /*
348 * Firmware 2.1 seems to report only lock status and
349 * signal strength. The signal strength indicator is at the
350 * wrong field.
351 */
352 if (p->statistics_type == 0) {
353 c->strength.stat[0].uvalue = ((s32)p->transmission_mode) * 1000;
354 c->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
355 return;
356 }
357
358 /* Update ISDB-T transmission parameters */
359 c->frequency = p->frequency;
360 c->bandwidth_hz = sms_to_bw(p->bandwidth);
361 c->transmission_mode = sms_to_mode(p->transmission_mode);
362 c->guard_interval = sms_to_guard_interval(p->guard_interval);
363 c->isdbt_partial_reception = p->partial_reception ? 1 : 0;
364 n_layers = p->num_of_layers;
365 if (n_layers < 1)
366 n_layers = 1;
367 if (n_layers > 3)
368 n_layers = 3;
369 c->isdbt_layer_enabled = 0;
370
371 /* update reception data */
372 c->lna = p->is_external_lna_on ? 1 : 0;
373
374 /* Carrier to noise ratio, in DB */
375 c->cnr.stat[0].svalue = p->SNR * 1000;
376
377 /* signal Strength, in DBm */
378 c->strength.stat[0].uvalue = p->in_band_pwr * 1000;
379
380 /* PER/BER and per-layer stats require demod lock */
381 if (!p->is_demod_locked)
382 return;
383
384 client->last_per = c->block_error.stat[0].uvalue;
385
386 /* Clears global counters, as the code below will sum it again */
387 c->block_error.stat[0].uvalue = 0;
388 c->block_count.stat[0].uvalue = 0;
389 c->block_error.stat[0].scale = FE_SCALE_COUNTER;
390 c->block_count.stat[0].scale = FE_SCALE_COUNTER;
391 c->post_bit_error.stat[0].uvalue = 0;
392 c->post_bit_count.stat[0].uvalue = 0;
393 c->post_bit_error.stat[0].scale = FE_SCALE_COUNTER;
394 c->post_bit_count.stat[0].scale = FE_SCALE_COUNTER;
395
396 for (i = 0; i < n_layers; i++) {
397 lr = &p->layer_info[i];
398
399 /* Update per-layer transmission parameters */
400 if (lr->number_of_segments > 0 && lr->number_of_segments < 13) {
401 c->isdbt_layer_enabled |= 1 << i;
402 c->layer[i].segment_count = lr->number_of_segments;
403 } else {
404 continue;
405 }
406 c->layer[i].modulation = sms_to_modulation(lr->constellation);
407
408 /* TS PER */
409 c->block_error.stat[i + 1].scale = FE_SCALE_COUNTER;
410 c->block_count.stat[i + 1].scale = FE_SCALE_COUNTER;
411 c->block_error.stat[i + 1].uvalue += lr->error_ts_packets;
412 c->block_count.stat[i + 1].uvalue += lr->total_ts_packets;
413
414 /* Update global PER counter */
415 c->block_error.stat[0].uvalue += lr->error_ts_packets;
416 c->block_count.stat[0].uvalue += lr->total_ts_packets;
417
418 /* BER */
419 c->post_bit_error.stat[i + 1].scale = FE_SCALE_COUNTER;
420 c->post_bit_count.stat[i + 1].scale = FE_SCALE_COUNTER;
421 c->post_bit_error.stat[i + 1].uvalue += lr->ber_error_count;
422 c->post_bit_count.stat[i + 1].uvalue += lr->ber_bit_count;
423
424 /* Update global BER counter */
425 c->post_bit_error.stat[0].uvalue += lr->ber_error_count;
426 c->post_bit_count.stat[0].uvalue += lr->ber_bit_count;
427 }
428 }
429
smsdvb_update_isdbt_stats_ex(struct smsdvb_client_t * client,struct sms_isdbt_stats_ex * p)430 static void smsdvb_update_isdbt_stats_ex(struct smsdvb_client_t *client,
431 struct sms_isdbt_stats_ex *p)
432 {
433 struct dvb_frontend *fe = &client->frontend;
434 struct dtv_frontend_properties *c = &fe->dtv_property_cache;
435 struct sms_isdbt_layer_stats *lr;
436 int i, n_layers;
437
438 if (client->prt_isdb_stats_ex)
439 client->prt_isdb_stats_ex(client->debug_data, p);
440
441 /* Update ISDB-T transmission parameters */
442 c->frequency = p->frequency;
443 client->fe_status = sms_to_status(p->is_demod_locked, 0);
444 c->bandwidth_hz = sms_to_bw(p->bandwidth);
445 c->transmission_mode = sms_to_mode(p->transmission_mode);
446 c->guard_interval = sms_to_guard_interval(p->guard_interval);
447 c->isdbt_partial_reception = p->partial_reception ? 1 : 0;
448 n_layers = p->num_of_layers;
449 if (n_layers < 1)
450 n_layers = 1;
451 if (n_layers > 3)
452 n_layers = 3;
453 c->isdbt_layer_enabled = 0;
454
455 /* update reception data */
456 c->lna = p->is_external_lna_on ? 1 : 0;
457
458 /* Carrier to noise ratio, in DB */
459 c->cnr.stat[0].svalue = p->SNR * 1000;
460
461 /* signal Strength, in DBm */
462 c->strength.stat[0].uvalue = p->in_band_pwr * 1000;
463
464 /* PER/BER and per-layer stats require demod lock */
465 if (!p->is_demod_locked)
466 return;
467
468 client->last_per = c->block_error.stat[0].uvalue;
469
470 /* Clears global counters, as the code below will sum it again */
471 c->block_error.stat[0].uvalue = 0;
472 c->block_count.stat[0].uvalue = 0;
473 c->block_error.stat[0].scale = FE_SCALE_COUNTER;
474 c->block_count.stat[0].scale = FE_SCALE_COUNTER;
475 c->post_bit_error.stat[0].uvalue = 0;
476 c->post_bit_count.stat[0].uvalue = 0;
477 c->post_bit_error.stat[0].scale = FE_SCALE_COUNTER;
478 c->post_bit_count.stat[0].scale = FE_SCALE_COUNTER;
479
480 c->post_bit_error.len = n_layers + 1;
481 c->post_bit_count.len = n_layers + 1;
482 c->block_error.len = n_layers + 1;
483 c->block_count.len = n_layers + 1;
484 for (i = 0; i < n_layers; i++) {
485 lr = &p->layer_info[i];
486
487 /* Update per-layer transmission parameters */
488 if (lr->number_of_segments > 0 && lr->number_of_segments < 13) {
489 c->isdbt_layer_enabled |= 1 << i;
490 c->layer[i].segment_count = lr->number_of_segments;
491 } else {
492 continue;
493 }
494 c->layer[i].modulation = sms_to_modulation(lr->constellation);
495
496 /* TS PER */
497 c->block_error.stat[i + 1].scale = FE_SCALE_COUNTER;
498 c->block_count.stat[i + 1].scale = FE_SCALE_COUNTER;
499 c->block_error.stat[i + 1].uvalue += lr->error_ts_packets;
500 c->block_count.stat[i + 1].uvalue += lr->total_ts_packets;
501
502 /* Update global PER counter */
503 c->block_error.stat[0].uvalue += lr->error_ts_packets;
504 c->block_count.stat[0].uvalue += lr->total_ts_packets;
505
506 /* ber */
507 c->post_bit_error.stat[i + 1].scale = FE_SCALE_COUNTER;
508 c->post_bit_count.stat[i + 1].scale = FE_SCALE_COUNTER;
509 c->post_bit_error.stat[i + 1].uvalue += lr->ber_error_count;
510 c->post_bit_count.stat[i + 1].uvalue += lr->ber_bit_count;
511
512 /* Update global ber counter */
513 c->post_bit_error.stat[0].uvalue += lr->ber_error_count;
514 c->post_bit_count.stat[0].uvalue += lr->ber_bit_count;
515 }
516 }
517
smsdvb_onresponse(void * context,struct smscore_buffer_t * cb)518 static int smsdvb_onresponse(void *context, struct smscore_buffer_t *cb)
519 {
520 struct smsdvb_client_t *client = (struct smsdvb_client_t *) context;
521 struct sms_msg_hdr *phdr = (struct sms_msg_hdr *) (((u8 *) cb->p)
522 + cb->offset);
523 void *p = phdr + 1;
524 struct dvb_frontend *fe = &client->frontend;
525 struct dtv_frontend_properties *c = &fe->dtv_property_cache;
526 bool is_status_update = false;
527
528 switch (phdr->msg_type) {
529 case MSG_SMS_DVBT_BDA_DATA:
530 /*
531 * Only feed data to dvb demux if are there any feed listening
532 * to it and if the device has tuned
533 */
534 if (client->feed_users && client->has_tuned)
535 dvb_dmx_swfilter(&client->demux, p,
536 cb->size - sizeof(struct sms_msg_hdr));
537 break;
538
539 case MSG_SMS_RF_TUNE_RES:
540 case MSG_SMS_ISDBT_TUNE_RES:
541 complete(&client->tune_done);
542 break;
543
544 case MSG_SMS_SIGNAL_DETECTED_IND:
545 client->fe_status = FE_HAS_SIGNAL | FE_HAS_CARRIER |
546 FE_HAS_VITERBI | FE_HAS_SYNC |
547 FE_HAS_LOCK;
548
549 is_status_update = true;
550 break;
551
552 case MSG_SMS_NO_SIGNAL_IND:
553 client->fe_status = 0;
554
555 is_status_update = true;
556 break;
557
558 case MSG_SMS_TRANSMISSION_IND:
559 smsdvb_update_tx_params(client, p);
560
561 is_status_update = true;
562 break;
563
564 case MSG_SMS_HO_PER_SLICES_IND:
565 smsdvb_update_per_slices(client, p);
566
567 is_status_update = true;
568 break;
569
570 case MSG_SMS_GET_STATISTICS_RES:
571 switch (smscore_get_device_mode(client->coredev)) {
572 case DEVICE_MODE_ISDBT:
573 case DEVICE_MODE_ISDBT_BDA:
574 smsdvb_update_isdbt_stats(client, p);
575 break;
576 default:
577 /* Skip sms_msg_statistics_info:request_result field */
578 smsdvb_update_dvb_stats(client, p + sizeof(u32));
579 }
580
581 is_status_update = true;
582 break;
583
584 /* Only for ISDB-T */
585 case MSG_SMS_GET_STATISTICS_EX_RES:
586 /* Skip sms_msg_statistics_info:request_result field? */
587 smsdvb_update_isdbt_stats_ex(client, p + sizeof(u32));
588 is_status_update = true;
589 break;
590 default:
591 sms_info("message not handled");
592 }
593 smscore_putbuffer(client->coredev, cb);
594
595 if (is_status_update) {
596 if (client->fe_status & FE_HAS_LOCK) {
597 sms_board_dvb3_event(client, DVB3_EVENT_FE_LOCK);
598 if (client->last_per == c->block_error.stat[0].uvalue)
599 sms_board_dvb3_event(client, DVB3_EVENT_UNC_OK);
600 else
601 sms_board_dvb3_event(client, DVB3_EVENT_UNC_ERR);
602 client->has_tuned = true;
603 } else {
604 smsdvb_stats_not_ready(fe);
605 client->has_tuned = false;
606 sms_board_dvb3_event(client, DVB3_EVENT_FE_UNLOCK);
607 }
608 complete(&client->stats_done);
609 }
610
611 return 0;
612 }
613
smsdvb_unregister_client(struct smsdvb_client_t * client)614 static void smsdvb_unregister_client(struct smsdvb_client_t *client)
615 {
616 /* must be called under clientslock */
617
618 list_del(&client->entry);
619
620 smsdvb_debugfs_release(client);
621 smscore_unregister_client(client->smsclient);
622 dvb_unregister_frontend(&client->frontend);
623 dvb_dmxdev_release(&client->dmxdev);
624 dvb_dmx_release(&client->demux);
625 dvb_unregister_adapter(&client->adapter);
626 kfree(client);
627 }
628
smsdvb_onremove(void * context)629 static void smsdvb_onremove(void *context)
630 {
631 kmutex_lock(&g_smsdvb_clientslock);
632
633 smsdvb_unregister_client((struct smsdvb_client_t *) context);
634
635 kmutex_unlock(&g_smsdvb_clientslock);
636 }
637
smsdvb_start_feed(struct dvb_demux_feed * feed)638 static int smsdvb_start_feed(struct dvb_demux_feed *feed)
639 {
640 struct smsdvb_client_t *client =
641 container_of(feed->demux, struct smsdvb_client_t, demux);
642 struct sms_msg_data pid_msg;
643
644 sms_debug("add pid %d(%x)",
645 feed->pid, feed->pid);
646
647 client->feed_users++;
648
649 pid_msg.x_msg_header.msg_src_id = DVBT_BDA_CONTROL_MSG_ID;
650 pid_msg.x_msg_header.msg_dst_id = HIF_TASK;
651 pid_msg.x_msg_header.msg_flags = 0;
652 pid_msg.x_msg_header.msg_type = MSG_SMS_ADD_PID_FILTER_REQ;
653 pid_msg.x_msg_header.msg_length = sizeof(pid_msg);
654 pid_msg.msg_data[0] = feed->pid;
655
656 return smsclient_sendrequest(client->smsclient,
657 &pid_msg, sizeof(pid_msg));
658 }
659
smsdvb_stop_feed(struct dvb_demux_feed * feed)660 static int smsdvb_stop_feed(struct dvb_demux_feed *feed)
661 {
662 struct smsdvb_client_t *client =
663 container_of(feed->demux, struct smsdvb_client_t, demux);
664 struct sms_msg_data pid_msg;
665
666 sms_debug("remove pid %d(%x)",
667 feed->pid, feed->pid);
668
669 client->feed_users--;
670
671 pid_msg.x_msg_header.msg_src_id = DVBT_BDA_CONTROL_MSG_ID;
672 pid_msg.x_msg_header.msg_dst_id = HIF_TASK;
673 pid_msg.x_msg_header.msg_flags = 0;
674 pid_msg.x_msg_header.msg_type = MSG_SMS_REMOVE_PID_FILTER_REQ;
675 pid_msg.x_msg_header.msg_length = sizeof(pid_msg);
676 pid_msg.msg_data[0] = feed->pid;
677
678 return smsclient_sendrequest(client->smsclient,
679 &pid_msg, sizeof(pid_msg));
680 }
681
smsdvb_sendrequest_and_wait(struct smsdvb_client_t * client,void * buffer,size_t size,struct completion * completion)682 static int smsdvb_sendrequest_and_wait(struct smsdvb_client_t *client,
683 void *buffer, size_t size,
684 struct completion *completion)
685 {
686 int rc;
687
688 rc = smsclient_sendrequest(client->smsclient, buffer, size);
689 if (rc < 0)
690 return rc;
691
692 return wait_for_completion_timeout(completion,
693 msecs_to_jiffies(2000)) ?
694 0 : -ETIME;
695 }
696
smsdvb_send_statistics_request(struct smsdvb_client_t * client)697 static int smsdvb_send_statistics_request(struct smsdvb_client_t *client)
698 {
699 int rc;
700 struct sms_msg_hdr msg;
701
702 /* Don't request stats too fast */
703 if (client->get_stats_jiffies &&
704 (!time_after(jiffies, client->get_stats_jiffies)))
705 return 0;
706 client->get_stats_jiffies = jiffies + msecs_to_jiffies(100);
707
708 msg.msg_src_id = DVBT_BDA_CONTROL_MSG_ID;
709 msg.msg_dst_id = HIF_TASK;
710 msg.msg_flags = 0;
711 msg.msg_length = sizeof(msg);
712
713 switch (smscore_get_device_mode(client->coredev)) {
714 case DEVICE_MODE_ISDBT:
715 case DEVICE_MODE_ISDBT_BDA:
716 /*
717 * Check for firmware version, to avoid breaking for old cards
718 */
719 if (client->coredev->fw_version >= 0x800)
720 msg.msg_type = MSG_SMS_GET_STATISTICS_EX_REQ;
721 else
722 msg.msg_type = MSG_SMS_GET_STATISTICS_REQ;
723 break;
724 default:
725 msg.msg_type = MSG_SMS_GET_STATISTICS_REQ;
726 }
727
728 rc = smsdvb_sendrequest_and_wait(client, &msg, sizeof(msg),
729 &client->stats_done);
730
731 return rc;
732 }
733
led_feedback(struct smsdvb_client_t * client)734 static inline int led_feedback(struct smsdvb_client_t *client)
735 {
736 if (!(client->fe_status & FE_HAS_LOCK))
737 return sms_board_led_feedback(client->coredev, SMS_LED_OFF);
738
739 return sms_board_led_feedback(client->coredev,
740 (client->legacy_ber == 0) ?
741 SMS_LED_HI : SMS_LED_LO);
742 }
743
smsdvb_read_status(struct dvb_frontend * fe,fe_status_t * stat)744 static int smsdvb_read_status(struct dvb_frontend *fe, fe_status_t *stat)
745 {
746 int rc;
747 struct smsdvb_client_t *client;
748 client = container_of(fe, struct smsdvb_client_t, frontend);
749
750 rc = smsdvb_send_statistics_request(client);
751
752 *stat = client->fe_status;
753
754 led_feedback(client);
755
756 return rc;
757 }
758
smsdvb_read_ber(struct dvb_frontend * fe,u32 * ber)759 static int smsdvb_read_ber(struct dvb_frontend *fe, u32 *ber)
760 {
761 int rc;
762 struct smsdvb_client_t *client;
763
764 client = container_of(fe, struct smsdvb_client_t, frontend);
765
766 rc = smsdvb_send_statistics_request(client);
767
768 *ber = client->legacy_ber;
769
770 led_feedback(client);
771
772 return rc;
773 }
774
smsdvb_read_signal_strength(struct dvb_frontend * fe,u16 * strength)775 static int smsdvb_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
776 {
777 struct dtv_frontend_properties *c = &fe->dtv_property_cache;
778 int rc;
779 s32 power = (s32) c->strength.stat[0].uvalue;
780 struct smsdvb_client_t *client;
781
782 client = container_of(fe, struct smsdvb_client_t, frontend);
783
784 rc = smsdvb_send_statistics_request(client);
785
786 if (power < -95)
787 *strength = 0;
788 else if (power > -29)
789 *strength = 65535;
790 else
791 *strength = (power + 95) * 65535 / 66;
792
793 led_feedback(client);
794
795 return rc;
796 }
797
smsdvb_read_snr(struct dvb_frontend * fe,u16 * snr)798 static int smsdvb_read_snr(struct dvb_frontend *fe, u16 *snr)
799 {
800 struct dtv_frontend_properties *c = &fe->dtv_property_cache;
801 int rc;
802 struct smsdvb_client_t *client;
803
804 client = container_of(fe, struct smsdvb_client_t, frontend);
805
806 rc = smsdvb_send_statistics_request(client);
807
808 /* Preferred scale for SNR with legacy API: 0.1 dB */
809 *snr = ((u32)c->cnr.stat[0].svalue) / 100;
810
811 led_feedback(client);
812
813 return rc;
814 }
815
smsdvb_read_ucblocks(struct dvb_frontend * fe,u32 * ucblocks)816 static int smsdvb_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
817 {
818 int rc;
819 struct dtv_frontend_properties *c = &fe->dtv_property_cache;
820 struct smsdvb_client_t *client;
821
822 client = container_of(fe, struct smsdvb_client_t, frontend);
823
824 rc = smsdvb_send_statistics_request(client);
825
826 *ucblocks = c->block_error.stat[0].uvalue;
827
828 led_feedback(client);
829
830 return rc;
831 }
832
smsdvb_get_tune_settings(struct dvb_frontend * fe,struct dvb_frontend_tune_settings * tune)833 static int smsdvb_get_tune_settings(struct dvb_frontend *fe,
834 struct dvb_frontend_tune_settings *tune)
835 {
836 sms_debug("");
837
838 tune->min_delay_ms = 400;
839 tune->step_size = 250000;
840 tune->max_drift = 0;
841 return 0;
842 }
843
smsdvb_dvbt_set_frontend(struct dvb_frontend * fe)844 static int smsdvb_dvbt_set_frontend(struct dvb_frontend *fe)
845 {
846 struct dtv_frontend_properties *c = &fe->dtv_property_cache;
847 struct smsdvb_client_t *client =
848 container_of(fe, struct smsdvb_client_t, frontend);
849
850 struct {
851 struct sms_msg_hdr msg;
852 u32 Data[3];
853 } msg;
854
855 int ret;
856
857 client->fe_status = 0;
858 client->event_fe_state = -1;
859 client->event_unc_state = -1;
860 fe->dtv_property_cache.delivery_system = SYS_DVBT;
861
862 msg.msg.msg_src_id = DVBT_BDA_CONTROL_MSG_ID;
863 msg.msg.msg_dst_id = HIF_TASK;
864 msg.msg.msg_flags = 0;
865 msg.msg.msg_type = MSG_SMS_RF_TUNE_REQ;
866 msg.msg.msg_length = sizeof(msg);
867 msg.Data[0] = c->frequency;
868 msg.Data[2] = 12000000;
869
870 sms_info("%s: freq %d band %d", __func__, c->frequency,
871 c->bandwidth_hz);
872
873 switch (c->bandwidth_hz / 1000000) {
874 case 8:
875 msg.Data[1] = BW_8_MHZ;
876 break;
877 case 7:
878 msg.Data[1] = BW_7_MHZ;
879 break;
880 case 6:
881 msg.Data[1] = BW_6_MHZ;
882 break;
883 case 0:
884 return -EOPNOTSUPP;
885 default:
886 return -EINVAL;
887 }
888 /* Disable LNA, if any. An error is returned if no LNA is present */
889 ret = sms_board_lna_control(client->coredev, 0);
890 if (ret == 0) {
891 fe_status_t status;
892
893 /* tune with LNA off at first */
894 ret = smsdvb_sendrequest_and_wait(client, &msg, sizeof(msg),
895 &client->tune_done);
896
897 smsdvb_read_status(fe, &status);
898
899 if (status & FE_HAS_LOCK)
900 return ret;
901
902 /* previous tune didn't lock - enable LNA and tune again */
903 sms_board_lna_control(client->coredev, 1);
904 }
905
906 return smsdvb_sendrequest_and_wait(client, &msg, sizeof(msg),
907 &client->tune_done);
908 }
909
smsdvb_isdbt_set_frontend(struct dvb_frontend * fe)910 static int smsdvb_isdbt_set_frontend(struct dvb_frontend *fe)
911 {
912 struct dtv_frontend_properties *c = &fe->dtv_property_cache;
913 struct smsdvb_client_t *client =
914 container_of(fe, struct smsdvb_client_t, frontend);
915 int board_id = smscore_get_board_id(client->coredev);
916 struct sms_board *board = sms_get_board(board_id);
917 enum sms_device_type_st type = board->type;
918 int ret;
919
920 struct {
921 struct sms_msg_hdr msg;
922 u32 Data[4];
923 } msg;
924
925 fe->dtv_property_cache.delivery_system = SYS_ISDBT;
926
927 msg.msg.msg_src_id = DVBT_BDA_CONTROL_MSG_ID;
928 msg.msg.msg_dst_id = HIF_TASK;
929 msg.msg.msg_flags = 0;
930 msg.msg.msg_type = MSG_SMS_ISDBT_TUNE_REQ;
931 msg.msg.msg_length = sizeof(msg);
932
933 if (c->isdbt_sb_segment_idx == -1)
934 c->isdbt_sb_segment_idx = 0;
935
936 if (!c->isdbt_layer_enabled)
937 c->isdbt_layer_enabled = 7;
938
939 msg.Data[0] = c->frequency;
940 msg.Data[1] = BW_ISDBT_1SEG;
941 msg.Data[2] = 12000000;
942 msg.Data[3] = c->isdbt_sb_segment_idx;
943
944 if (c->isdbt_partial_reception) {
945 if ((type == SMS_PELE || type == SMS_RIO) &&
946 c->isdbt_sb_segment_count > 3)
947 msg.Data[1] = BW_ISDBT_13SEG;
948 else if (c->isdbt_sb_segment_count > 1)
949 msg.Data[1] = BW_ISDBT_3SEG;
950 } else if (type == SMS_PELE || type == SMS_RIO)
951 msg.Data[1] = BW_ISDBT_13SEG;
952
953 c->bandwidth_hz = 6000000;
954
955 sms_info("%s: freq %d segwidth %d segindex %d", __func__,
956 c->frequency, c->isdbt_sb_segment_count,
957 c->isdbt_sb_segment_idx);
958
959 /* Disable LNA, if any. An error is returned if no LNA is present */
960 ret = sms_board_lna_control(client->coredev, 0);
961 if (ret == 0) {
962 fe_status_t status;
963
964 /* tune with LNA off at first */
965 ret = smsdvb_sendrequest_and_wait(client, &msg, sizeof(msg),
966 &client->tune_done);
967
968 smsdvb_read_status(fe, &status);
969
970 if (status & FE_HAS_LOCK)
971 return ret;
972
973 /* previous tune didn't lock - enable LNA and tune again */
974 sms_board_lna_control(client->coredev, 1);
975 }
976 return smsdvb_sendrequest_and_wait(client, &msg, sizeof(msg),
977 &client->tune_done);
978 }
979
smsdvb_set_frontend(struct dvb_frontend * fe)980 static int smsdvb_set_frontend(struct dvb_frontend *fe)
981 {
982 struct dtv_frontend_properties *c = &fe->dtv_property_cache;
983 struct smsdvb_client_t *client =
984 container_of(fe, struct smsdvb_client_t, frontend);
985 struct smscore_device_t *coredev = client->coredev;
986
987 smsdvb_stats_not_ready(fe);
988 c->strength.stat[0].uvalue = 0;
989 c->cnr.stat[0].uvalue = 0;
990
991 client->has_tuned = false;
992
993 switch (smscore_get_device_mode(coredev)) {
994 case DEVICE_MODE_DVBT:
995 case DEVICE_MODE_DVBT_BDA:
996 return smsdvb_dvbt_set_frontend(fe);
997 case DEVICE_MODE_ISDBT:
998 case DEVICE_MODE_ISDBT_BDA:
999 return smsdvb_isdbt_set_frontend(fe);
1000 default:
1001 return -EINVAL;
1002 }
1003 }
1004
1005 /* Nothing to do here, as stats are automatically updated */
smsdvb_get_frontend(struct dvb_frontend * fe)1006 static int smsdvb_get_frontend(struct dvb_frontend *fe)
1007 {
1008 return 0;
1009 }
1010
smsdvb_init(struct dvb_frontend * fe)1011 static int smsdvb_init(struct dvb_frontend *fe)
1012 {
1013 struct smsdvb_client_t *client =
1014 container_of(fe, struct smsdvb_client_t, frontend);
1015
1016 sms_board_power(client->coredev, 1);
1017
1018 sms_board_dvb3_event(client, DVB3_EVENT_INIT);
1019 return 0;
1020 }
1021
smsdvb_sleep(struct dvb_frontend * fe)1022 static int smsdvb_sleep(struct dvb_frontend *fe)
1023 {
1024 struct smsdvb_client_t *client =
1025 container_of(fe, struct smsdvb_client_t, frontend);
1026
1027 sms_board_led_feedback(client->coredev, SMS_LED_OFF);
1028 sms_board_power(client->coredev, 0);
1029
1030 sms_board_dvb3_event(client, DVB3_EVENT_SLEEP);
1031
1032 return 0;
1033 }
1034
smsdvb_release(struct dvb_frontend * fe)1035 static void smsdvb_release(struct dvb_frontend *fe)
1036 {
1037 /* do nothing */
1038 }
1039
1040 static struct dvb_frontend_ops smsdvb_fe_ops = {
1041 .info = {
1042 .name = "Siano Mobile Digital MDTV Receiver",
1043 .frequency_min = 44250000,
1044 .frequency_max = 867250000,
1045 .frequency_stepsize = 250000,
1046 .caps = FE_CAN_INVERSION_AUTO |
1047 FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
1048 FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO |
1049 FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_QAM_64 |
1050 FE_CAN_QAM_AUTO | FE_CAN_TRANSMISSION_MODE_AUTO |
1051 FE_CAN_GUARD_INTERVAL_AUTO |
1052 FE_CAN_RECOVER |
1053 FE_CAN_HIERARCHY_AUTO,
1054 },
1055
1056 .release = smsdvb_release,
1057
1058 .set_frontend = smsdvb_set_frontend,
1059 .get_frontend = smsdvb_get_frontend,
1060 .get_tune_settings = smsdvb_get_tune_settings,
1061
1062 .read_status = smsdvb_read_status,
1063 .read_ber = smsdvb_read_ber,
1064 .read_signal_strength = smsdvb_read_signal_strength,
1065 .read_snr = smsdvb_read_snr,
1066 .read_ucblocks = smsdvb_read_ucblocks,
1067
1068 .init = smsdvb_init,
1069 .sleep = smsdvb_sleep,
1070 };
1071
smsdvb_hotplug(struct smscore_device_t * coredev,struct device * device,int arrival)1072 static int smsdvb_hotplug(struct smscore_device_t *coredev,
1073 struct device *device, int arrival)
1074 {
1075 struct smsclient_params_t params;
1076 struct smsdvb_client_t *client;
1077 int rc;
1078
1079 /* device removal handled by onremove callback */
1080 if (!arrival)
1081 return 0;
1082 client = kzalloc(sizeof(struct smsdvb_client_t), GFP_KERNEL);
1083 if (!client) {
1084 sms_err("kmalloc() failed");
1085 return -ENOMEM;
1086 }
1087
1088 /* register dvb adapter */
1089 rc = dvb_register_adapter(&client->adapter,
1090 sms_get_board(
1091 smscore_get_board_id(coredev))->name,
1092 THIS_MODULE, device, adapter_nr);
1093 if (rc < 0) {
1094 sms_err("dvb_register_adapter() failed %d", rc);
1095 goto adapter_error;
1096 }
1097
1098 /* init dvb demux */
1099 client->demux.dmx.capabilities = DMX_TS_FILTERING;
1100 client->demux.filternum = 32; /* todo: nova ??? */
1101 client->demux.feednum = 32;
1102 client->demux.start_feed = smsdvb_start_feed;
1103 client->demux.stop_feed = smsdvb_stop_feed;
1104
1105 rc = dvb_dmx_init(&client->demux);
1106 if (rc < 0) {
1107 sms_err("dvb_dmx_init failed %d", rc);
1108 goto dvbdmx_error;
1109 }
1110
1111 /* init dmxdev */
1112 client->dmxdev.filternum = 32;
1113 client->dmxdev.demux = &client->demux.dmx;
1114 client->dmxdev.capabilities = 0;
1115
1116 rc = dvb_dmxdev_init(&client->dmxdev, &client->adapter);
1117 if (rc < 0) {
1118 sms_err("dvb_dmxdev_init failed %d", rc);
1119 goto dmxdev_error;
1120 }
1121
1122 /* init and register frontend */
1123 memcpy(&client->frontend.ops, &smsdvb_fe_ops,
1124 sizeof(struct dvb_frontend_ops));
1125
1126 switch (smscore_get_device_mode(coredev)) {
1127 case DEVICE_MODE_DVBT:
1128 case DEVICE_MODE_DVBT_BDA:
1129 client->frontend.ops.delsys[0] = SYS_DVBT;
1130 break;
1131 case DEVICE_MODE_ISDBT:
1132 case DEVICE_MODE_ISDBT_BDA:
1133 client->frontend.ops.delsys[0] = SYS_ISDBT;
1134 break;
1135 }
1136
1137 rc = dvb_register_frontend(&client->adapter, &client->frontend);
1138 if (rc < 0) {
1139 sms_err("frontend registration failed %d", rc);
1140 goto frontend_error;
1141 }
1142
1143 params.initial_id = 1;
1144 params.data_type = MSG_SMS_DVBT_BDA_DATA;
1145 params.onresponse_handler = smsdvb_onresponse;
1146 params.onremove_handler = smsdvb_onremove;
1147 params.context = client;
1148
1149 rc = smscore_register_client(coredev, ¶ms, &client->smsclient);
1150 if (rc < 0) {
1151 sms_err("smscore_register_client() failed %d", rc);
1152 goto client_error;
1153 }
1154
1155 client->coredev = coredev;
1156
1157 init_completion(&client->tune_done);
1158 init_completion(&client->stats_done);
1159
1160 kmutex_lock(&g_smsdvb_clientslock);
1161
1162 list_add(&client->entry, &g_smsdvb_clients);
1163
1164 kmutex_unlock(&g_smsdvb_clientslock);
1165
1166 client->event_fe_state = -1;
1167 client->event_unc_state = -1;
1168 sms_board_dvb3_event(client, DVB3_EVENT_HOTPLUG);
1169
1170 sms_info("success");
1171 sms_board_setup(coredev);
1172
1173 if (smsdvb_debugfs_create(client) < 0)
1174 sms_info("failed to create debugfs node");
1175
1176 return 0;
1177
1178 client_error:
1179 dvb_unregister_frontend(&client->frontend);
1180
1181 frontend_error:
1182 dvb_dmxdev_release(&client->dmxdev);
1183
1184 dmxdev_error:
1185 dvb_dmx_release(&client->demux);
1186
1187 dvbdmx_error:
1188 dvb_unregister_adapter(&client->adapter);
1189
1190 adapter_error:
1191 kfree(client);
1192 return rc;
1193 }
1194
smsdvb_module_init(void)1195 static int __init smsdvb_module_init(void)
1196 {
1197 int rc;
1198
1199 INIT_LIST_HEAD(&g_smsdvb_clients);
1200 kmutex_init(&g_smsdvb_clientslock);
1201
1202 smsdvb_debugfs_register();
1203
1204 rc = smscore_register_hotplug(smsdvb_hotplug);
1205
1206 sms_debug("");
1207
1208 return rc;
1209 }
1210
smsdvb_module_exit(void)1211 static void __exit smsdvb_module_exit(void)
1212 {
1213 smscore_unregister_hotplug(smsdvb_hotplug);
1214
1215 kmutex_lock(&g_smsdvb_clientslock);
1216
1217 while (!list_empty(&g_smsdvb_clients))
1218 smsdvb_unregister_client((struct smsdvb_client_t *)g_smsdvb_clients.next);
1219
1220 smsdvb_debugfs_unregister();
1221
1222 kmutex_unlock(&g_smsdvb_clientslock);
1223 }
1224
1225 module_init(smsdvb_module_init);
1226 module_exit(smsdvb_module_exit);
1227
1228 MODULE_DESCRIPTION("SMS DVB subsystem adaptation module");
1229 MODULE_AUTHOR("Siano Mobile Silicon, Inc. (uris@siano-ms.com)");
1230 MODULE_LICENSE("GPL");
1231