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[media] dvb: don't require a parameter for get_frontend
[deliverable/linux.git] / drivers / media / dvb / siano / smsdvb.c
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
26 #include "dmxdev.h"
27 #include "dvbdev.h"
28 #include "dvb_demux.h"
29 #include "dvb_frontend.h"
30
31 #include "smscoreapi.h"
32 #include "smsendian.h"
33 #include "sms-cards.h"
34
35 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
36
37 struct smsdvb_client_t {
38 struct list_head entry;
39
40 struct smscore_device_t *coredev;
41 struct smscore_client_t *smsclient;
42
43 struct dvb_adapter adapter;
44 struct dvb_demux demux;
45 struct dmxdev dmxdev;
46 struct dvb_frontend frontend;
47
48 fe_status_t fe_status;
49
50 struct completion tune_done;
51
52 /* todo: save freq/band instead whole struct */
53 struct dtv_frontend_properties fe_params;
54
55 struct SMSHOSTLIB_STATISTICS_DVB_S sms_stat_dvb;
56 int event_fe_state;
57 int event_unc_state;
58 };
59
60 static struct list_head g_smsdvb_clients;
61 static struct mutex g_smsdvb_clientslock;
62
63 static int sms_dbg;
64 module_param_named(debug, sms_dbg, int, 0644);
65 MODULE_PARM_DESC(debug, "set debug level (info=1, adv=2 (or-able))");
66
67 /* Events that may come from DVB v3 adapter */
68 static void sms_board_dvb3_event(struct smsdvb_client_t *client,
69 enum SMS_DVB3_EVENTS event) {
70
71 struct smscore_device_t *coredev = client->coredev;
72 switch (event) {
73 case DVB3_EVENT_INIT:
74 sms_debug("DVB3_EVENT_INIT");
75 sms_board_event(coredev, BOARD_EVENT_BIND);
76 break;
77 case DVB3_EVENT_SLEEP:
78 sms_debug("DVB3_EVENT_SLEEP");
79 sms_board_event(coredev, BOARD_EVENT_POWER_SUSPEND);
80 break;
81 case DVB3_EVENT_HOTPLUG:
82 sms_debug("DVB3_EVENT_HOTPLUG");
83 sms_board_event(coredev, BOARD_EVENT_POWER_INIT);
84 break;
85 case DVB3_EVENT_FE_LOCK:
86 if (client->event_fe_state != DVB3_EVENT_FE_LOCK) {
87 client->event_fe_state = DVB3_EVENT_FE_LOCK;
88 sms_debug("DVB3_EVENT_FE_LOCK");
89 sms_board_event(coredev, BOARD_EVENT_FE_LOCK);
90 }
91 break;
92 case DVB3_EVENT_FE_UNLOCK:
93 if (client->event_fe_state != DVB3_EVENT_FE_UNLOCK) {
94 client->event_fe_state = DVB3_EVENT_FE_UNLOCK;
95 sms_debug("DVB3_EVENT_FE_UNLOCK");
96 sms_board_event(coredev, BOARD_EVENT_FE_UNLOCK);
97 }
98 break;
99 case DVB3_EVENT_UNC_OK:
100 if (client->event_unc_state != DVB3_EVENT_UNC_OK) {
101 client->event_unc_state = DVB3_EVENT_UNC_OK;
102 sms_debug("DVB3_EVENT_UNC_OK");
103 sms_board_event(coredev, BOARD_EVENT_MULTIPLEX_OK);
104 }
105 break;
106 case DVB3_EVENT_UNC_ERR:
107 if (client->event_unc_state != DVB3_EVENT_UNC_ERR) {
108 client->event_unc_state = DVB3_EVENT_UNC_ERR;
109 sms_debug("DVB3_EVENT_UNC_ERR");
110 sms_board_event(coredev, BOARD_EVENT_MULTIPLEX_ERRORS);
111 }
112 break;
113
114 default:
115 sms_err("Unknown dvb3 api event");
116 break;
117 }
118 }
119
120
121 static void smsdvb_update_dvb_stats(struct RECEPTION_STATISTICS_S *pReceptionData,
122 struct SMSHOSTLIB_STATISTICS_ST *p)
123 {
124 if (sms_dbg & 2) {
125 printk(KERN_DEBUG "Reserved = %d", p->Reserved);
126 printk(KERN_DEBUG "IsRfLocked = %d", p->IsRfLocked);
127 printk(KERN_DEBUG "IsDemodLocked = %d", p->IsDemodLocked);
128 printk(KERN_DEBUG "IsExternalLNAOn = %d", p->IsExternalLNAOn);
129 printk(KERN_DEBUG "SNR = %d", p->SNR);
130 printk(KERN_DEBUG "BER = %d", p->BER);
131 printk(KERN_DEBUG "FIB_CRC = %d", p->FIB_CRC);
132 printk(KERN_DEBUG "TS_PER = %d", p->TS_PER);
133 printk(KERN_DEBUG "MFER = %d", p->MFER);
134 printk(KERN_DEBUG "RSSI = %d", p->RSSI);
135 printk(KERN_DEBUG "InBandPwr = %d", p->InBandPwr);
136 printk(KERN_DEBUG "CarrierOffset = %d", p->CarrierOffset);
137 printk(KERN_DEBUG "Frequency = %d", p->Frequency);
138 printk(KERN_DEBUG "Bandwidth = %d", p->Bandwidth);
139 printk(KERN_DEBUG "TransmissionMode = %d", p->TransmissionMode);
140 printk(KERN_DEBUG "ModemState = %d", p->ModemState);
141 printk(KERN_DEBUG "GuardInterval = %d", p->GuardInterval);
142 printk(KERN_DEBUG "CodeRate = %d", p->CodeRate);
143 printk(KERN_DEBUG "LPCodeRate = %d", p->LPCodeRate);
144 printk(KERN_DEBUG "Hierarchy = %d", p->Hierarchy);
145 printk(KERN_DEBUG "Constellation = %d", p->Constellation);
146 printk(KERN_DEBUG "BurstSize = %d", p->BurstSize);
147 printk(KERN_DEBUG "BurstDuration = %d", p->BurstDuration);
148 printk(KERN_DEBUG "BurstCycleTime = %d", p->BurstCycleTime);
149 printk(KERN_DEBUG "CalculatedBurstCycleTime = %d", p->CalculatedBurstCycleTime);
150 printk(KERN_DEBUG "NumOfRows = %d", p->NumOfRows);
151 printk(KERN_DEBUG "NumOfPaddCols = %d", p->NumOfPaddCols);
152 printk(KERN_DEBUG "NumOfPunctCols = %d", p->NumOfPunctCols);
153 printk(KERN_DEBUG "ErrorTSPackets = %d", p->ErrorTSPackets);
154 printk(KERN_DEBUG "TotalTSPackets = %d", p->TotalTSPackets);
155 printk(KERN_DEBUG "NumOfValidMpeTlbs = %d", p->NumOfValidMpeTlbs);
156 printk(KERN_DEBUG "NumOfInvalidMpeTlbs = %d", p->NumOfInvalidMpeTlbs);
157 printk(KERN_DEBUG "NumOfCorrectedMpeTlbs = %d", p->NumOfCorrectedMpeTlbs);
158 printk(KERN_DEBUG "BERErrorCount = %d", p->BERErrorCount);
159 printk(KERN_DEBUG "BERBitCount = %d", p->BERBitCount);
160 printk(KERN_DEBUG "SmsToHostTxErrors = %d", p->SmsToHostTxErrors);
161 printk(KERN_DEBUG "PreBER = %d", p->PreBER);
162 printk(KERN_DEBUG "CellId = %d", p->CellId);
163 printk(KERN_DEBUG "DvbhSrvIndHP = %d", p->DvbhSrvIndHP);
164 printk(KERN_DEBUG "DvbhSrvIndLP = %d", p->DvbhSrvIndLP);
165 printk(KERN_DEBUG "NumMPEReceived = %d", p->NumMPEReceived);
166 }
167
168 pReceptionData->IsDemodLocked = p->IsDemodLocked;
169
170 pReceptionData->SNR = p->SNR;
171 pReceptionData->BER = p->BER;
172 pReceptionData->BERErrorCount = p->BERErrorCount;
173 pReceptionData->InBandPwr = p->InBandPwr;
174 pReceptionData->ErrorTSPackets = p->ErrorTSPackets;
175 };
176
177
178 static void smsdvb_update_isdbt_stats(struct RECEPTION_STATISTICS_S *pReceptionData,
179 struct SMSHOSTLIB_STATISTICS_ISDBT_ST *p)
180 {
181 int i;
182
183 if (sms_dbg & 2) {
184 printk(KERN_DEBUG "IsRfLocked = %d", p->IsRfLocked);
185 printk(KERN_DEBUG "IsDemodLocked = %d", p->IsDemodLocked);
186 printk(KERN_DEBUG "IsExternalLNAOn = %d", p->IsExternalLNAOn);
187 printk(KERN_DEBUG "SNR = %d", p->SNR);
188 printk(KERN_DEBUG "RSSI = %d", p->RSSI);
189 printk(KERN_DEBUG "InBandPwr = %d", p->InBandPwr);
190 printk(KERN_DEBUG "CarrierOffset = %d", p->CarrierOffset);
191 printk(KERN_DEBUG "Frequency = %d", p->Frequency);
192 printk(KERN_DEBUG "Bandwidth = %d", p->Bandwidth);
193 printk(KERN_DEBUG "TransmissionMode = %d", p->TransmissionMode);
194 printk(KERN_DEBUG "ModemState = %d", p->ModemState);
195 printk(KERN_DEBUG "GuardInterval = %d", p->GuardInterval);
196 printk(KERN_DEBUG "SystemType = %d", p->SystemType);
197 printk(KERN_DEBUG "PartialReception = %d", p->PartialReception);
198 printk(KERN_DEBUG "NumOfLayers = %d", p->NumOfLayers);
199 printk(KERN_DEBUG "SmsToHostTxErrors = %d", p->SmsToHostTxErrors);
200
201 for (i = 0; i < 3; i++) {
202 printk(KERN_DEBUG "%d: CodeRate = %d", i, p->LayerInfo[i].CodeRate);
203 printk(KERN_DEBUG "%d: Constellation = %d", i, p->LayerInfo[i].Constellation);
204 printk(KERN_DEBUG "%d: BER = %d", i, p->LayerInfo[i].BER);
205 printk(KERN_DEBUG "%d: BERErrorCount = %d", i, p->LayerInfo[i].BERErrorCount);
206 printk(KERN_DEBUG "%d: BERBitCount = %d", i, p->LayerInfo[i].BERBitCount);
207 printk(KERN_DEBUG "%d: PreBER = %d", i, p->LayerInfo[i].PreBER);
208 printk(KERN_DEBUG "%d: TS_PER = %d", i, p->LayerInfo[i].TS_PER);
209 printk(KERN_DEBUG "%d: ErrorTSPackets = %d", i, p->LayerInfo[i].ErrorTSPackets);
210 printk(KERN_DEBUG "%d: TotalTSPackets = %d", i, p->LayerInfo[i].TotalTSPackets);
211 printk(KERN_DEBUG "%d: TILdepthI = %d", i, p->LayerInfo[i].TILdepthI);
212 printk(KERN_DEBUG "%d: NumberOfSegments = %d", i, p->LayerInfo[i].NumberOfSegments);
213 printk(KERN_DEBUG "%d: TMCCErrors = %d", i, p->LayerInfo[i].TMCCErrors);
214 }
215 }
216
217 pReceptionData->IsDemodLocked = p->IsDemodLocked;
218
219 pReceptionData->SNR = p->SNR;
220 pReceptionData->InBandPwr = p->InBandPwr;
221
222 pReceptionData->ErrorTSPackets = 0;
223 pReceptionData->BER = 0;
224 pReceptionData->BERErrorCount = 0;
225 for (i = 0; i < 3; i++) {
226 pReceptionData->BER += p->LayerInfo[i].BER;
227 pReceptionData->BERErrorCount += p->LayerInfo[i].BERErrorCount;
228 pReceptionData->ErrorTSPackets += p->LayerInfo[i].ErrorTSPackets;
229 }
230 }
231
232 static int smsdvb_onresponse(void *context, struct smscore_buffer_t *cb)
233 {
234 struct smsdvb_client_t *client = (struct smsdvb_client_t *) context;
235 struct SmsMsgHdr_ST *phdr = (struct SmsMsgHdr_ST *) (((u8 *) cb->p)
236 + cb->offset);
237 u32 *pMsgData = (u32 *) phdr + 1;
238 /*u32 MsgDataLen = phdr->msgLength - sizeof(struct SmsMsgHdr_ST);*/
239 bool is_status_update = false;
240
241 smsendian_handle_rx_message((struct SmsMsgData_ST *) phdr);
242
243 switch (phdr->msgType) {
244 case MSG_SMS_DVBT_BDA_DATA:
245 dvb_dmx_swfilter(&client->demux, (u8 *)(phdr + 1),
246 cb->size - sizeof(struct SmsMsgHdr_ST));
247 break;
248
249 case MSG_SMS_RF_TUNE_RES:
250 case MSG_SMS_ISDBT_TUNE_RES:
251 complete(&client->tune_done);
252 break;
253
254 case MSG_SMS_SIGNAL_DETECTED_IND:
255 sms_info("MSG_SMS_SIGNAL_DETECTED_IND");
256 client->sms_stat_dvb.TransmissionData.IsDemodLocked = true;
257 is_status_update = true;
258 break;
259
260 case MSG_SMS_NO_SIGNAL_IND:
261 sms_info("MSG_SMS_NO_SIGNAL_IND");
262 client->sms_stat_dvb.TransmissionData.IsDemodLocked = false;
263 is_status_update = true;
264 break;
265
266 case MSG_SMS_TRANSMISSION_IND: {
267 sms_info("MSG_SMS_TRANSMISSION_IND");
268
269 pMsgData++;
270 memcpy(&client->sms_stat_dvb.TransmissionData, pMsgData,
271 sizeof(struct TRANSMISSION_STATISTICS_S));
272
273 /* Mo need to correct guard interval
274 * (as opposed to old statistics message).
275 */
276 CORRECT_STAT_BANDWIDTH(client->sms_stat_dvb.TransmissionData);
277 CORRECT_STAT_TRANSMISSON_MODE(
278 client->sms_stat_dvb.TransmissionData);
279 is_status_update = true;
280 break;
281 }
282 case MSG_SMS_HO_PER_SLICES_IND: {
283 struct RECEPTION_STATISTICS_S *pReceptionData =
284 &client->sms_stat_dvb.ReceptionData;
285 struct SRVM_SIGNAL_STATUS_S SignalStatusData;
286
287 /*sms_info("MSG_SMS_HO_PER_SLICES_IND");*/
288 pMsgData++;
289 SignalStatusData.result = pMsgData[0];
290 SignalStatusData.snr = pMsgData[1];
291 SignalStatusData.inBandPower = (s32) pMsgData[2];
292 SignalStatusData.tsPackets = pMsgData[3];
293 SignalStatusData.etsPackets = pMsgData[4];
294 SignalStatusData.constellation = pMsgData[5];
295 SignalStatusData.hpCode = pMsgData[6];
296 SignalStatusData.tpsSrvIndLP = pMsgData[7] & 0x03;
297 SignalStatusData.tpsSrvIndHP = pMsgData[8] & 0x03;
298 SignalStatusData.cellId = pMsgData[9] & 0xFFFF;
299 SignalStatusData.reason = pMsgData[10];
300 SignalStatusData.requestId = pMsgData[11];
301 pReceptionData->IsRfLocked = pMsgData[16];
302 pReceptionData->IsDemodLocked = pMsgData[17];
303 pReceptionData->ModemState = pMsgData[12];
304 pReceptionData->SNR = pMsgData[1];
305 pReceptionData->BER = pMsgData[13];
306 pReceptionData->RSSI = pMsgData[14];
307 CORRECT_STAT_RSSI(client->sms_stat_dvb.ReceptionData);
308
309 pReceptionData->InBandPwr = (s32) pMsgData[2];
310 pReceptionData->CarrierOffset = (s32) pMsgData[15];
311 pReceptionData->TotalTSPackets = pMsgData[3];
312 pReceptionData->ErrorTSPackets = pMsgData[4];
313
314 /* TS PER */
315 if ((SignalStatusData.tsPackets + SignalStatusData.etsPackets)
316 > 0) {
317 pReceptionData->TS_PER = (SignalStatusData.etsPackets
318 * 100) / (SignalStatusData.tsPackets
319 + SignalStatusData.etsPackets);
320 } else {
321 pReceptionData->TS_PER = 0;
322 }
323
324 pReceptionData->BERBitCount = pMsgData[18];
325 pReceptionData->BERErrorCount = pMsgData[19];
326
327 pReceptionData->MRC_SNR = pMsgData[20];
328 pReceptionData->MRC_InBandPwr = pMsgData[21];
329 pReceptionData->MRC_RSSI = pMsgData[22];
330
331 is_status_update = true;
332 break;
333 }
334 case MSG_SMS_GET_STATISTICS_RES: {
335 union {
336 struct SMSHOSTLIB_STATISTICS_ISDBT_ST isdbt;
337 struct SmsMsgStatisticsInfo_ST dvb;
338 } *p = (void *) (phdr + 1);
339 struct RECEPTION_STATISTICS_S *pReceptionData =
340 &client->sms_stat_dvb.ReceptionData;
341
342 sms_info("MSG_SMS_GET_STATISTICS_RES");
343
344 is_status_update = true;
345
346 switch (smscore_get_device_mode(client->coredev)) {
347 case DEVICE_MODE_ISDBT:
348 case DEVICE_MODE_ISDBT_BDA:
349 smsdvb_update_isdbt_stats(pReceptionData, &p->isdbt);
350 break;
351 default:
352 smsdvb_update_dvb_stats(pReceptionData, &p->dvb.Stat);
353 }
354 if (!pReceptionData->IsDemodLocked) {
355 pReceptionData->SNR = 0;
356 pReceptionData->BER = 0;
357 pReceptionData->BERErrorCount = 0;
358 pReceptionData->InBandPwr = 0;
359 pReceptionData->ErrorTSPackets = 0;
360 }
361
362 complete(&client->tune_done);
363 break;
364 }
365 default:
366 sms_info("Unhandled message %d", phdr->msgType);
367
368 }
369 smscore_putbuffer(client->coredev, cb);
370
371 if (is_status_update) {
372 if (client->sms_stat_dvb.ReceptionData.IsDemodLocked) {
373 client->fe_status = FE_HAS_SIGNAL | FE_HAS_CARRIER
374 | FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK;
375 sms_board_dvb3_event(client, DVB3_EVENT_FE_LOCK);
376 if (client->sms_stat_dvb.ReceptionData.ErrorTSPackets
377 == 0)
378 sms_board_dvb3_event(client, DVB3_EVENT_UNC_OK);
379 else
380 sms_board_dvb3_event(client,
381 DVB3_EVENT_UNC_ERR);
382
383 } else {
384 if (client->sms_stat_dvb.ReceptionData.IsRfLocked)
385 client->fe_status = FE_HAS_SIGNAL | FE_HAS_CARRIER;
386 else
387 client->fe_status = 0;
388 sms_board_dvb3_event(client, DVB3_EVENT_FE_UNLOCK);
389 }
390 }
391
392 return 0;
393 }
394
395 static void smsdvb_unregister_client(struct smsdvb_client_t *client)
396 {
397 /* must be called under clientslock */
398
399 list_del(&client->entry);
400
401 smscore_unregister_client(client->smsclient);
402 dvb_unregister_frontend(&client->frontend);
403 dvb_dmxdev_release(&client->dmxdev);
404 dvb_dmx_release(&client->demux);
405 dvb_unregister_adapter(&client->adapter);
406 kfree(client);
407 }
408
409 static void smsdvb_onremove(void *context)
410 {
411 kmutex_lock(&g_smsdvb_clientslock);
412
413 smsdvb_unregister_client((struct smsdvb_client_t *) context);
414
415 kmutex_unlock(&g_smsdvb_clientslock);
416 }
417
418 static int smsdvb_start_feed(struct dvb_demux_feed *feed)
419 {
420 struct smsdvb_client_t *client =
421 container_of(feed->demux, struct smsdvb_client_t, demux);
422 struct SmsMsgData_ST PidMsg;
423
424 sms_debug("add pid %d(%x)",
425 feed->pid, feed->pid);
426
427 PidMsg.xMsgHeader.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
428 PidMsg.xMsgHeader.msgDstId = HIF_TASK;
429 PidMsg.xMsgHeader.msgFlags = 0;
430 PidMsg.xMsgHeader.msgType = MSG_SMS_ADD_PID_FILTER_REQ;
431 PidMsg.xMsgHeader.msgLength = sizeof(PidMsg);
432 PidMsg.msgData[0] = feed->pid;
433
434 smsendian_handle_tx_message((struct SmsMsgHdr_ST *)&PidMsg);
435 return smsclient_sendrequest(client->smsclient,
436 &PidMsg, sizeof(PidMsg));
437 }
438
439 static int smsdvb_stop_feed(struct dvb_demux_feed *feed)
440 {
441 struct smsdvb_client_t *client =
442 container_of(feed->demux, struct smsdvb_client_t, demux);
443 struct SmsMsgData_ST PidMsg;
444
445 sms_debug("remove pid %d(%x)",
446 feed->pid, feed->pid);
447
448 PidMsg.xMsgHeader.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
449 PidMsg.xMsgHeader.msgDstId = HIF_TASK;
450 PidMsg.xMsgHeader.msgFlags = 0;
451 PidMsg.xMsgHeader.msgType = MSG_SMS_REMOVE_PID_FILTER_REQ;
452 PidMsg.xMsgHeader.msgLength = sizeof(PidMsg);
453 PidMsg.msgData[0] = feed->pid;
454
455 smsendian_handle_tx_message((struct SmsMsgHdr_ST *)&PidMsg);
456 return smsclient_sendrequest(client->smsclient,
457 &PidMsg, sizeof(PidMsg));
458 }
459
460 static int smsdvb_sendrequest_and_wait(struct smsdvb_client_t *client,
461 void *buffer, size_t size,
462 struct completion *completion)
463 {
464 int rc;
465
466 smsendian_handle_tx_message((struct SmsMsgHdr_ST *)buffer);
467 rc = smsclient_sendrequest(client->smsclient, buffer, size);
468 if (rc < 0)
469 return rc;
470
471 return wait_for_completion_timeout(completion,
472 msecs_to_jiffies(2000)) ?
473 0 : -ETIME;
474 }
475
476 static int smsdvb_send_statistics_request(struct smsdvb_client_t *client)
477 {
478 int rc;
479 struct SmsMsgHdr_ST Msg = { MSG_SMS_GET_STATISTICS_REQ,
480 DVBT_BDA_CONTROL_MSG_ID,
481 HIF_TASK,
482 sizeof(struct SmsMsgHdr_ST), 0 };
483
484 rc = smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg),
485 &client->tune_done);
486
487 return rc;
488 }
489
490 static inline int led_feedback(struct smsdvb_client_t *client)
491 {
492 if (client->fe_status & FE_HAS_LOCK)
493 return sms_board_led_feedback(client->coredev,
494 (client->sms_stat_dvb.ReceptionData.BER
495 == 0) ? SMS_LED_HI : SMS_LED_LO);
496 else
497 return sms_board_led_feedback(client->coredev, SMS_LED_OFF);
498 }
499
500 static int smsdvb_read_status(struct dvb_frontend *fe, fe_status_t *stat)
501 {
502 int rc;
503 struct smsdvb_client_t *client;
504 client = container_of(fe, struct smsdvb_client_t, frontend);
505
506 rc = smsdvb_send_statistics_request(client);
507
508 *stat = client->fe_status;
509
510 led_feedback(client);
511
512 return rc;
513 }
514
515 static int smsdvb_read_ber(struct dvb_frontend *fe, u32 *ber)
516 {
517 int rc;
518 struct smsdvb_client_t *client;
519 client = container_of(fe, struct smsdvb_client_t, frontend);
520
521 rc = smsdvb_send_statistics_request(client);
522
523 *ber = client->sms_stat_dvb.ReceptionData.BER;
524
525 led_feedback(client);
526
527 return rc;
528 }
529
530 static int smsdvb_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
531 {
532 int rc;
533
534 struct smsdvb_client_t *client;
535 client = container_of(fe, struct smsdvb_client_t, frontend);
536
537 rc = smsdvb_send_statistics_request(client);
538
539 if (client->sms_stat_dvb.ReceptionData.InBandPwr < -95)
540 *strength = 0;
541 else if (client->sms_stat_dvb.ReceptionData.InBandPwr > -29)
542 *strength = 100;
543 else
544 *strength =
545 (client->sms_stat_dvb.ReceptionData.InBandPwr
546 + 95) * 3 / 2;
547
548 led_feedback(client);
549
550 return rc;
551 }
552
553 static int smsdvb_read_snr(struct dvb_frontend *fe, u16 *snr)
554 {
555 int rc;
556 struct smsdvb_client_t *client;
557 client = container_of(fe, struct smsdvb_client_t, frontend);
558
559 rc = smsdvb_send_statistics_request(client);
560
561 *snr = client->sms_stat_dvb.ReceptionData.SNR;
562
563 led_feedback(client);
564
565 return rc;
566 }
567
568 static int smsdvb_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
569 {
570 int rc;
571 struct smsdvb_client_t *client;
572 client = container_of(fe, struct smsdvb_client_t, frontend);
573
574 rc = smsdvb_send_statistics_request(client);
575
576 *ucblocks = client->sms_stat_dvb.ReceptionData.ErrorTSPackets;
577
578 led_feedback(client);
579
580 return rc;
581 }
582
583 static int smsdvb_get_tune_settings(struct dvb_frontend *fe,
584 struct dvb_frontend_tune_settings *tune)
585 {
586 sms_debug("");
587
588 tune->min_delay_ms = 400;
589 tune->step_size = 250000;
590 tune->max_drift = 0;
591 return 0;
592 }
593
594 static int smsdvb_dvbt_set_frontend(struct dvb_frontend *fe)
595 {
596 struct dtv_frontend_properties *c = &fe->dtv_property_cache;
597 struct smsdvb_client_t *client =
598 container_of(fe, struct smsdvb_client_t, frontend);
599
600 struct {
601 struct SmsMsgHdr_ST Msg;
602 u32 Data[3];
603 } Msg;
604
605 int ret;
606
607 client->fe_status = FE_HAS_SIGNAL;
608 client->event_fe_state = -1;
609 client->event_unc_state = -1;
610 fe->dtv_property_cache.delivery_system = SYS_DVBT;
611
612 Msg.Msg.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
613 Msg.Msg.msgDstId = HIF_TASK;
614 Msg.Msg.msgFlags = 0;
615 Msg.Msg.msgType = MSG_SMS_RF_TUNE_REQ;
616 Msg.Msg.msgLength = sizeof(Msg);
617 Msg.Data[0] = c->frequency;
618 Msg.Data[2] = 12000000;
619
620 sms_info("%s: freq %d band %d", __func__, c->frequency,
621 c->bandwidth_hz);
622
623 switch (c->bandwidth_hz / 1000000) {
624 case 8:
625 Msg.Data[1] = BW_8_MHZ;
626 break;
627 case 7:
628 Msg.Data[1] = BW_7_MHZ;
629 break;
630 case 6:
631 Msg.Data[1] = BW_6_MHZ;
632 break;
633 case 0:
634 return -EOPNOTSUPP;
635 default:
636 return -EINVAL;
637 }
638 /* Disable LNA, if any. An error is returned if no LNA is present */
639 ret = sms_board_lna_control(client->coredev, 0);
640 if (ret == 0) {
641 fe_status_t status;
642
643 /* tune with LNA off at first */
644 ret = smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg),
645 &client->tune_done);
646
647 smsdvb_read_status(fe, &status);
648
649 if (status & FE_HAS_LOCK)
650 return ret;
651
652 /* previous tune didn't lock - enable LNA and tune again */
653 sms_board_lna_control(client->coredev, 1);
654 }
655
656 return smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg),
657 &client->tune_done);
658 }
659
660 static int smsdvb_isdbt_set_frontend(struct dvb_frontend *fe)
661 {
662 struct dtv_frontend_properties *c = &fe->dtv_property_cache;
663 struct smsdvb_client_t *client =
664 container_of(fe, struct smsdvb_client_t, frontend);
665
666 struct {
667 struct SmsMsgHdr_ST Msg;
668 u32 Data[4];
669 } Msg;
670
671 fe->dtv_property_cache.delivery_system = SYS_ISDBT;
672
673 Msg.Msg.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
674 Msg.Msg.msgDstId = HIF_TASK;
675 Msg.Msg.msgFlags = 0;
676 Msg.Msg.msgType = MSG_SMS_ISDBT_TUNE_REQ;
677 Msg.Msg.msgLength = sizeof(Msg);
678
679 if (c->isdbt_sb_segment_idx == -1)
680 c->isdbt_sb_segment_idx = 0;
681
682 switch (c->isdbt_sb_segment_count) {
683 case 3:
684 Msg.Data[1] = BW_ISDBT_3SEG;
685 break;
686 case 1:
687 Msg.Data[1] = BW_ISDBT_1SEG;
688 break;
689 case 0: /* AUTO */
690 switch (c->bandwidth_hz / 1000000) {
691 case 8:
692 case 7:
693 c->isdbt_sb_segment_count = 3;
694 Msg.Data[1] = BW_ISDBT_3SEG;
695 break;
696 case 6:
697 c->isdbt_sb_segment_count = 1;
698 Msg.Data[1] = BW_ISDBT_1SEG;
699 break;
700 default: /* Assumes 6 MHZ bw */
701 c->isdbt_sb_segment_count = 1;
702 c->bandwidth_hz = 6000;
703 Msg.Data[1] = BW_ISDBT_1SEG;
704 break;
705 }
706 break;
707 default:
708 sms_info("Segment count %d not supported", c->isdbt_sb_segment_count);
709 return -EINVAL;
710 }
711
712 Msg.Data[0] = c->frequency;
713 Msg.Data[2] = 12000000;
714 Msg.Data[3] = c->isdbt_sb_segment_idx;
715
716 sms_info("%s: freq %d segwidth %d segindex %d\n", __func__,
717 c->frequency, c->isdbt_sb_segment_count,
718 c->isdbt_sb_segment_idx);
719
720 return smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg),
721 &client->tune_done);
722 }
723
724 static int smsdvb_set_frontend(struct dvb_frontend *fe)
725 {
726 struct smsdvb_client_t *client =
727 container_of(fe, struct smsdvb_client_t, frontend);
728 struct smscore_device_t *coredev = client->coredev;
729
730 switch (smscore_get_device_mode(coredev)) {
731 case DEVICE_MODE_DVBT:
732 case DEVICE_MODE_DVBT_BDA:
733 return smsdvb_dvbt_set_frontend(fe);
734 case DEVICE_MODE_ISDBT:
735 case DEVICE_MODE_ISDBT_BDA:
736 return smsdvb_isdbt_set_frontend(fe);
737 default:
738 return -EINVAL;
739 }
740 }
741
742 static int smsdvb_get_frontend(struct dvb_frontend *fe)
743 {
744 struct dtv_frontend_properties *fep = &fe->dtv_property_cache;
745 struct smsdvb_client_t *client =
746 container_of(fe, struct smsdvb_client_t, frontend);
747
748 sms_debug("");
749
750 /* todo: */
751 memcpy(fep, &client->fe_params,
752 sizeof(struct dtv_frontend_properties));
753
754 return 0;
755 }
756
757 static int smsdvb_init(struct dvb_frontend *fe)
758 {
759 struct smsdvb_client_t *client =
760 container_of(fe, struct smsdvb_client_t, frontend);
761
762 sms_board_power(client->coredev, 1);
763
764 sms_board_dvb3_event(client, DVB3_EVENT_INIT);
765 return 0;
766 }
767
768 static int smsdvb_sleep(struct dvb_frontend *fe)
769 {
770 struct smsdvb_client_t *client =
771 container_of(fe, struct smsdvb_client_t, frontend);
772
773 sms_board_led_feedback(client->coredev, SMS_LED_OFF);
774 sms_board_power(client->coredev, 0);
775
776 sms_board_dvb3_event(client, DVB3_EVENT_SLEEP);
777
778 return 0;
779 }
780
781 static void smsdvb_release(struct dvb_frontend *fe)
782 {
783 /* do nothing */
784 }
785
786 static struct dvb_frontend_ops smsdvb_fe_ops = {
787 .info = {
788 .name = "Siano Mobile Digital MDTV Receiver",
789 .type = FE_OFDM,
790 .frequency_min = 44250000,
791 .frequency_max = 867250000,
792 .frequency_stepsize = 250000,
793 .caps = FE_CAN_INVERSION_AUTO |
794 FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
795 FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO |
796 FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_QAM_64 |
797 FE_CAN_QAM_AUTO | FE_CAN_TRANSMISSION_MODE_AUTO |
798 FE_CAN_GUARD_INTERVAL_AUTO |
799 FE_CAN_RECOVER |
800 FE_CAN_HIERARCHY_AUTO,
801 },
802
803 .release = smsdvb_release,
804
805 .set_frontend = smsdvb_set_frontend,
806 .get_frontend = smsdvb_get_frontend,
807 .get_tune_settings = smsdvb_get_tune_settings,
808
809 .read_status = smsdvb_read_status,
810 .read_ber = smsdvb_read_ber,
811 .read_signal_strength = smsdvb_read_signal_strength,
812 .read_snr = smsdvb_read_snr,
813 .read_ucblocks = smsdvb_read_ucblocks,
814
815 .init = smsdvb_init,
816 .sleep = smsdvb_sleep,
817 };
818
819 static int smsdvb_hotplug(struct smscore_device_t *coredev,
820 struct device *device, int arrival)
821 {
822 struct smsclient_params_t params;
823 struct smsdvb_client_t *client;
824 int rc;
825
826 /* device removal handled by onremove callback */
827 if (!arrival)
828 return 0;
829 client = kzalloc(sizeof(struct smsdvb_client_t), GFP_KERNEL);
830 if (!client) {
831 sms_err("kmalloc() failed");
832 return -ENOMEM;
833 }
834
835 /* register dvb adapter */
836 rc = dvb_register_adapter(&client->adapter,
837 sms_get_board(
838 smscore_get_board_id(coredev))->name,
839 THIS_MODULE, device, adapter_nr);
840 if (rc < 0) {
841 sms_err("dvb_register_adapter() failed %d", rc);
842 goto adapter_error;
843 }
844
845 /* init dvb demux */
846 client->demux.dmx.capabilities = DMX_TS_FILTERING;
847 client->demux.filternum = 32; /* todo: nova ??? */
848 client->demux.feednum = 32;
849 client->demux.start_feed = smsdvb_start_feed;
850 client->demux.stop_feed = smsdvb_stop_feed;
851
852 rc = dvb_dmx_init(&client->demux);
853 if (rc < 0) {
854 sms_err("dvb_dmx_init failed %d", rc);
855 goto dvbdmx_error;
856 }
857
858 /* init dmxdev */
859 client->dmxdev.filternum = 32;
860 client->dmxdev.demux = &client->demux.dmx;
861 client->dmxdev.capabilities = 0;
862
863 rc = dvb_dmxdev_init(&client->dmxdev, &client->adapter);
864 if (rc < 0) {
865 sms_err("dvb_dmxdev_init failed %d", rc);
866 goto dmxdev_error;
867 }
868
869 /* init and register frontend */
870 memcpy(&client->frontend.ops, &smsdvb_fe_ops,
871 sizeof(struct dvb_frontend_ops));
872
873 switch (smscore_get_device_mode(coredev)) {
874 case DEVICE_MODE_DVBT:
875 case DEVICE_MODE_DVBT_BDA:
876 smsdvb_fe_ops.delsys[0] = SYS_DVBT;
877 break;
878 case DEVICE_MODE_ISDBT:
879 case DEVICE_MODE_ISDBT_BDA:
880 smsdvb_fe_ops.delsys[0] = SYS_ISDBT;
881 break;
882 }
883
884 rc = dvb_register_frontend(&client->adapter, &client->frontend);
885 if (rc < 0) {
886 sms_err("frontend registration failed %d", rc);
887 goto frontend_error;
888 }
889
890 params.initial_id = 1;
891 params.data_type = MSG_SMS_DVBT_BDA_DATA;
892 params.onresponse_handler = smsdvb_onresponse;
893 params.onremove_handler = smsdvb_onremove;
894 params.context = client;
895
896 rc = smscore_register_client(coredev, &params, &client->smsclient);
897 if (rc < 0) {
898 sms_err("smscore_register_client() failed %d", rc);
899 goto client_error;
900 }
901
902 client->coredev = coredev;
903
904 init_completion(&client->tune_done);
905
906 kmutex_lock(&g_smsdvb_clientslock);
907
908 list_add(&client->entry, &g_smsdvb_clients);
909
910 kmutex_unlock(&g_smsdvb_clientslock);
911
912 client->event_fe_state = -1;
913 client->event_unc_state = -1;
914 sms_board_dvb3_event(client, DVB3_EVENT_HOTPLUG);
915
916 sms_info("success");
917 sms_board_setup(coredev);
918
919 return 0;
920
921 client_error:
922 dvb_unregister_frontend(&client->frontend);
923
924 frontend_error:
925 dvb_dmxdev_release(&client->dmxdev);
926
927 dmxdev_error:
928 dvb_dmx_release(&client->demux);
929
930 dvbdmx_error:
931 dvb_unregister_adapter(&client->adapter);
932
933 adapter_error:
934 kfree(client);
935 return rc;
936 }
937
938 static int __init smsdvb_module_init(void)
939 {
940 int rc;
941
942 INIT_LIST_HEAD(&g_smsdvb_clients);
943 kmutex_init(&g_smsdvb_clientslock);
944
945 rc = smscore_register_hotplug(smsdvb_hotplug);
946
947 sms_debug("");
948
949 return rc;
950 }
951
952 static void __exit smsdvb_module_exit(void)
953 {
954 smscore_unregister_hotplug(smsdvb_hotplug);
955
956 kmutex_lock(&g_smsdvb_clientslock);
957
958 while (!list_empty(&g_smsdvb_clients))
959 smsdvb_unregister_client(
960 (struct smsdvb_client_t *) g_smsdvb_clients.next);
961
962 kmutex_unlock(&g_smsdvb_clientslock);
963 }
964
965 module_init(smsdvb_module_init);
966 module_exit(smsdvb_module_exit);
967
968 MODULE_DESCRIPTION("SMS DVB subsystem adaptation module");
969 MODULE_AUTHOR("Siano Mobile Silicon, Inc. (uris@siano-ms.com)");
970 MODULE_LICENSE("GPL");
Linux kernel - Deliverables
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