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Diffstat (limited to 'drivers/media/dvb/siano/smsdvb.c')
-rw-r--r--drivers/media/dvb/siano/smsdvb.c962
1 files changed, 962 insertions, 0 deletions
diff --git a/drivers/media/dvb/siano/smsdvb.c b/drivers/media/dvb/siano/smsdvb.c
new file mode 100644
index 00000000000..37c594f8278
--- /dev/null
+++ b/drivers/media/dvb/siano/smsdvb.c
@@ -0,0 +1,962 @@
1/****************************************************************
2
3Siano Mobile Silicon, Inc.
4MDTV receiver kernel modules.
5Copyright (C) 2006-2008, Uri Shkolnik
6
7This program is free software: you can redistribute it and/or modify
8it under the terms of the GNU General Public License as published by
9the 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,
13but WITHOUT ANY WARRANTY; without even the implied warranty of
14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15GNU General Public License for more details.
16
17You should have received a copy of the GNU General Public License
18along 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
35DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
36
37struct 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 dvb_frontend_parameters fe_params;
54
55 struct SMSHOSTLIB_STATISTICS_DVB_S sms_stat_dvb;
56 int event_fe_state;
57 int event_unc_state;
58};
59
60static struct list_head g_smsdvb_clients;
61static struct mutex g_smsdvb_clientslock;
62
63static int sms_dbg;
64module_param_named(debug, sms_dbg, int, 0644);
65MODULE_PARM_DESC(debug, "set debug level (info=1, adv=2 (or-able))");
66
67/* Events that may come from DVB v3 adapter */
68static 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
121static 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
178static 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
232static 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
395static 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
409static 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
418static 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
439static 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
460static 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
476static 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
490static 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
500static 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
515static 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
530static 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
553static 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
568static 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
583static 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
594static int smsdvb_dvbt_set_frontend(struct dvb_frontend *fe,
595 struct dvb_frontend_parameters *p)
596{
597 struct dtv_frontend_properties *c = &fe->dtv_property_cache;
598 struct smsdvb_client_t *client =
599 container_of(fe, struct smsdvb_client_t, frontend);
600
601 struct {
602 struct SmsMsgHdr_ST Msg;
603 u32 Data[3];
604 } Msg;
605
606 int ret;
607
608 client->fe_status = FE_HAS_SIGNAL;
609 client->event_fe_state = -1;
610 client->event_unc_state = -1;
611 fe->dtv_property_cache.delivery_system = SYS_DVBT;
612
613 Msg.Msg.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
614 Msg.Msg.msgDstId = HIF_TASK;
615 Msg.Msg.msgFlags = 0;
616 Msg.Msg.msgType = MSG_SMS_RF_TUNE_REQ;
617 Msg.Msg.msgLength = sizeof(Msg);
618 Msg.Data[0] = c->frequency;
619 Msg.Data[2] = 12000000;
620
621 sms_info("%s: freq %d band %d", __func__, c->frequency,
622 c->bandwidth_hz);
623
624 switch (c->bandwidth_hz / 1000000) {
625 case 8:
626 Msg.Data[1] = BW_8_MHZ;
627 break;
628 case 7:
629 Msg.Data[1] = BW_7_MHZ;
630 break;
631 case 6:
632 Msg.Data[1] = BW_6_MHZ;
633 break;
634 case 0:
635 return -EOPNOTSUPP;
636 default:
637 return -EINVAL;
638 }
639 /* Disable LNA, if any. An error is returned if no LNA is present */
640 ret = sms_board_lna_control(client->coredev, 0);
641 if (ret == 0) {
642 fe_status_t status;
643
644 /* tune with LNA off at first */
645 ret = smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg),
646 &client->tune_done);
647
648 smsdvb_read_status(fe, &status);
649
650 if (status & FE_HAS_LOCK)
651 return ret;
652
653 /* previous tune didn't lock - enable LNA and tune again */
654 sms_board_lna_control(client->coredev, 1);
655 }
656
657 return smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg),
658 &client->tune_done);
659}
660
661static int smsdvb_isdbt_set_frontend(struct dvb_frontend *fe,
662 struct dvb_frontend_parameters *p)
663{
664 struct dtv_frontend_properties *c = &fe->dtv_property_cache;
665 struct smsdvb_client_t *client =
666 container_of(fe, struct smsdvb_client_t, frontend);
667
668 struct {
669 struct SmsMsgHdr_ST Msg;
670 u32 Data[4];
671 } Msg;
672
673 fe->dtv_property_cache.delivery_system = SYS_ISDBT;
674
675 Msg.Msg.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
676 Msg.Msg.msgDstId = HIF_TASK;
677 Msg.Msg.msgFlags = 0;
678 Msg.Msg.msgType = MSG_SMS_ISDBT_TUNE_REQ;
679 Msg.Msg.msgLength = sizeof(Msg);
680
681 if (c->isdbt_sb_segment_idx == -1)
682 c->isdbt_sb_segment_idx = 0;
683
684 switch (c->isdbt_sb_segment_count) {
685 case 3:
686 Msg.Data[1] = BW_ISDBT_3SEG;
687 break;
688 case 1:
689 Msg.Data[1] = BW_ISDBT_1SEG;
690 break;
691 case 0: /* AUTO */
692 switch (c->bandwidth_hz / 1000000) {
693 case 8:
694 case 7:
695 c->isdbt_sb_segment_count = 3;
696 Msg.Data[1] = BW_ISDBT_3SEG;
697 break;
698 case 6:
699 c->isdbt_sb_segment_count = 1;
700 Msg.Data[1] = BW_ISDBT_1SEG;
701 break;
702 default: /* Assumes 6 MHZ bw */
703 c->isdbt_sb_segment_count = 1;
704 c->bandwidth_hz = 6000;
705 Msg.Data[1] = BW_ISDBT_1SEG;
706 break;
707 }
708 break;
709 default:
710 sms_info("Segment count %d not supported", c->isdbt_sb_segment_count);
711 return -EINVAL;
712 }
713
714 Msg.Data[0] = c->frequency;
715 Msg.Data[2] = 12000000;
716 Msg.Data[3] = c->isdbt_sb_segment_idx;
717
718 sms_info("%s: freq %d segwidth %d segindex %d\n", __func__,
719 c->frequency, c->isdbt_sb_segment_count,
720 c->isdbt_sb_segment_idx);
721
722 return smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg),
723 &client->tune_done);
724}
725
726static int smsdvb_set_frontend(struct dvb_frontend *fe,
727 struct dvb_frontend_parameters *fep)
728{
729 struct smsdvb_client_t *client =
730 container_of(fe, struct smsdvb_client_t, frontend);
731 struct smscore_device_t *coredev = client->coredev;
732
733 switch (smscore_get_device_mode(coredev)) {
734 case DEVICE_MODE_DVBT:
735 case DEVICE_MODE_DVBT_BDA:
736 return smsdvb_dvbt_set_frontend(fe, fep);
737 case DEVICE_MODE_ISDBT:
738 case DEVICE_MODE_ISDBT_BDA:
739 return smsdvb_isdbt_set_frontend(fe, fep);
740 default:
741 return -EINVAL;
742 }
743}
744
745static int smsdvb_get_frontend(struct dvb_frontend *fe,
746 struct dvb_frontend_parameters *fep)
747{
748 struct smsdvb_client_t *client =
749 container_of(fe, struct smsdvb_client_t, frontend);
750
751 sms_debug("");
752
753 /* todo: */
754 memcpy(fep, &client->fe_params,
755 sizeof(struct dvb_frontend_parameters));
756
757 return 0;
758}
759
760static int smsdvb_init(struct dvb_frontend *fe)
761{
762 struct smsdvb_client_t *client =
763 container_of(fe, struct smsdvb_client_t, frontend);
764
765 sms_board_power(client->coredev, 1);
766
767 sms_board_dvb3_event(client, DVB3_EVENT_INIT);
768 return 0;
769}
770
771static int smsdvb_sleep(struct dvb_frontend *fe)
772{
773 struct smsdvb_client_t *client =
774 container_of(fe, struct smsdvb_client_t, frontend);
775
776 sms_board_led_feedback(client->coredev, SMS_LED_OFF);
777 sms_board_power(client->coredev, 0);
778
779 sms_board_dvb3_event(client, DVB3_EVENT_SLEEP);
780
781 return 0;
782}
783
784static void smsdvb_release(struct dvb_frontend *fe)
785{
786 /* do nothing */
787}
788
789static struct dvb_frontend_ops smsdvb_fe_ops = {
790 .info = {
791 .name = "Siano Mobile Digital MDTV Receiver",
792 .type = FE_OFDM,
793 .frequency_min = 44250000,
794 .frequency_max = 867250000,
795 .frequency_stepsize = 250000,
796 .caps = FE_CAN_INVERSION_AUTO |
797 FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
798 FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO |
799 FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_QAM_64 |
800 FE_CAN_QAM_AUTO | FE_CAN_TRANSMISSION_MODE_AUTO |
801 FE_CAN_GUARD_INTERVAL_AUTO |
802 FE_CAN_RECOVER |
803 FE_CAN_HIERARCHY_AUTO,
804 },
805
806 .release = smsdvb_release,
807
808 .set_frontend = smsdvb_set_frontend,
809 .get_frontend = smsdvb_get_frontend,
810 .get_tune_settings = smsdvb_get_tune_settings,
811
812 .read_status = smsdvb_read_status,
813 .read_ber = smsdvb_read_ber,
814 .read_signal_strength = smsdvb_read_signal_strength,
815 .read_snr = smsdvb_read_snr,
816 .read_ucblocks = smsdvb_read_ucblocks,
817
818 .init = smsdvb_init,
819 .sleep = smsdvb_sleep,
820};
821
822static int smsdvb_hotplug(struct smscore_device_t *coredev,
823 struct device *device, int arrival)
824{
825 struct smsclient_params_t params;
826 struct smsdvb_client_t *client;
827 int rc;
828
829 /* device removal handled by onremove callback */
830 if (!arrival)
831 return 0;
832 client = kzalloc(sizeof(struct smsdvb_client_t), GFP_KERNEL);
833 if (!client) {
834 sms_err("kmalloc() failed");
835 return -ENOMEM;
836 }
837
838 /* register dvb adapter */
839 rc = dvb_register_adapter(&client->adapter,
840 sms_get_board(
841 smscore_get_board_id(coredev))->name,
842 THIS_MODULE, device, adapter_nr);
843 if (rc < 0) {
844 sms_err("dvb_register_adapter() failed %d", rc);
845 goto adapter_error;
846 }
847
848 /* init dvb demux */
849 client->demux.dmx.capabilities = DMX_TS_FILTERING;
850 client->demux.filternum = 32; /* todo: nova ??? */
851 client->demux.feednum = 32;
852 client->demux.start_feed = smsdvb_start_feed;
853 client->demux.stop_feed = smsdvb_stop_feed;
854
855 rc = dvb_dmx_init(&client->demux);
856 if (rc < 0) {
857 sms_err("dvb_dmx_init failed %d", rc);
858 goto dvbdmx_error;
859 }
860
861 /* init dmxdev */
862 client->dmxdev.filternum = 32;
863 client->dmxdev.demux = &client->demux.dmx;
864 client->dmxdev.capabilities = 0;
865
866 rc = dvb_dmxdev_init(&client->dmxdev, &client->adapter);
867 if (rc < 0) {
868 sms_err("dvb_dmxdev_init failed %d", rc);
869 goto dmxdev_error;
870 }
871
872 /* init and register frontend */
873 memcpy(&client->frontend.ops, &smsdvb_fe_ops,
874 sizeof(struct dvb_frontend_ops));
875
876 rc = dvb_register_frontend(&client->adapter, &client->frontend);
877 if (rc < 0) {
878 sms_err("frontend registration failed %d", rc);
879 goto frontend_error;
880 }
881
882 params.initial_id = 1;
883 params.data_type = MSG_SMS_DVBT_BDA_DATA;
884 params.onresponse_handler = smsdvb_onresponse;
885 params.onremove_handler = smsdvb_onremove;
886 params.context = client;
887
888 rc = smscore_register_client(coredev, &params, &client->smsclient);
889 if (rc < 0) {
890 sms_err("smscore_register_client() failed %d", rc);
891 goto client_error;
892 }
893
894 client->coredev = coredev;
895
896 init_completion(&client->tune_done);
897
898 kmutex_lock(&g_smsdvb_clientslock);
899
900 list_add(&client->entry, &g_smsdvb_clients);
901
902 kmutex_unlock(&g_smsdvb_clientslock);
903
904 client->event_fe_state = -1;
905 client->event_unc_state = -1;
906 sms_board_dvb3_event(client, DVB3_EVENT_HOTPLUG);
907
908 sms_info("success");
909 sms_board_setup(coredev);
910
911 return 0;
912
913client_error:
914 dvb_unregister_frontend(&client->frontend);
915
916frontend_error:
917 dvb_dmxdev_release(&client->dmxdev);
918
919dmxdev_error:
920 dvb_dmx_release(&client->demux);
921
922dvbdmx_error:
923 dvb_unregister_adapter(&client->adapter);
924
925adapter_error:
926 kfree(client);
927 return rc;
928}
929
930static int __init smsdvb_module_init(void)
931{
932 int rc;
933
934 INIT_LIST_HEAD(&g_smsdvb_clients);
935 kmutex_init(&g_smsdvb_clientslock);
936
937 rc = smscore_register_hotplug(smsdvb_hotplug);
938
939 sms_debug("");
940
941 return rc;
942}
943
944static void __exit smsdvb_module_exit(void)
945{
946 smscore_unregister_hotplug(smsdvb_hotplug);
947
948 kmutex_lock(&g_smsdvb_clientslock);
949
950 while (!list_empty(&g_smsdvb_clients))
951 smsdvb_unregister_client(
952 (struct smsdvb_client_t *) g_smsdvb_clients.next);
953
954 kmutex_unlock(&g_smsdvb_clientslock);
955}
956
957module_init(smsdvb_module_init);
958module_exit(smsdvb_module_exit);
959
960MODULE_DESCRIPTION("SMS DVB subsystem adaptation module");
961MODULE_AUTHOR("Siano Mobile Silicon, Inc. (uris@siano-ms.com)");
962MODULE_LICENSE("GPL");
generated by cgit v1.2.2 (git 2.25.0) at 2025-07-22 05:44:36 -0400