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/init.h>
  24
  25 #include "dmxdev.h"
  26 #include "dvbdev.h"
  27 #include "dvb_demux.h"
  28 #include "dvb_frontend.h"
  29
  30 #include "smscoreapi.h"
  31 #include "smsendian.h"
  32 #include "sms-cards.h"
  33
  34 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
  35
  36 struct smsdvb_client_t {
  37         struct list_head entry;
  38
  39         struct smscore_device_t *coredev;
  40         struct smscore_client_t *smsclient;
  41
  42         struct dvb_adapter      adapter;
  43         struct dvb_demux        demux;
  44         struct dmxdev           dmxdev;
  45         struct dvb_frontend     frontend;
  46
  47         fe_status_t             fe_status;
  48
  49         struct completion       tune_done;
  50
  51         /* todo: save freq/band instead whole struct */
  52         struct dvb_frontend_parameters fe_params;
  53
  54         struct SMSHOSTLIB_STATISTICS_DVB_S sms_stat_dvb;
  55         int event_fe_state;
  56         int event_unc_state;
  57 };
  58
  59 static struct list_head g_smsdvb_clients;
  60 static struct mutex g_smsdvb_clientslock;
  61
  62 static int sms_dbg;
  63 module_param_named(debug, sms_dbg, int, 0644);
  64 MODULE_PARM_DESC(debug, "set debug level (info=1, adv=2 (or-able))");
  65
  66 /* Events that may come from DVB v3 adapter */
  67 static void sms_board_dvb3_event(struct smsdvb_client_t *client,
  68                 enum SMS_DVB3_EVENTS event) {
  69
  70         struct smscore_device_t *coredev = client->coredev;
  71         switch (event) {
  72         case DVB3_EVENT_INIT:
  73                 sms_debug("DVB3_EVENT_INIT");
  74                 sms_board_event(coredev, BOARD_EVENT_BIND);
  75                 break;
  76         case DVB3_EVENT_SLEEP:
  77                 sms_debug("DVB3_EVENT_SLEEP");
  78                 sms_board_event(coredev, BOARD_EVENT_POWER_SUSPEND);
  79                 break;
  80         case DVB3_EVENT_HOTPLUG:
  81                 sms_debug("DVB3_EVENT_HOTPLUG");
  82                 sms_board_event(coredev, BOARD_EVENT_POWER_INIT);
  83                 break;
  84         case DVB3_EVENT_FE_LOCK:
  85                 if (client->event_fe_state != DVB3_EVENT_FE_LOCK) {
  86                         client->event_fe_state = DVB3_EVENT_FE_LOCK;
  87                         sms_debug("DVB3_EVENT_FE_LOCK");
  88                         sms_board_event(coredev, BOARD_EVENT_FE_LOCK);
  89                 }
  90                 break;
  91         case DVB3_EVENT_FE_UNLOCK:
  92                 if (client->event_fe_state != DVB3_EVENT_FE_UNLOCK) {
  93                         client->event_fe_state = DVB3_EVENT_FE_UNLOCK;
  94                         sms_debug("DVB3_EVENT_FE_UNLOCK");
  95                         sms_board_event(coredev, BOARD_EVENT_FE_UNLOCK);
  96                 }
  97                 break;
  98         case DVB3_EVENT_UNC_OK:
  99                 if (client->event_unc_state != DVB3_EVENT_UNC_OK) {
 100                         client->event_unc_state = DVB3_EVENT_UNC_OK;
 101                         sms_debug("DVB3_EVENT_UNC_OK");
 102                         sms_board_event(coredev, BOARD_EVENT_MULTIPLEX_OK);
 103                 }
 104                 break;
 105         case DVB3_EVENT_UNC_ERR:
 106                 if (client->event_unc_state != DVB3_EVENT_UNC_ERR) {
 107                         client->event_unc_state = DVB3_EVENT_UNC_ERR;
 108                         sms_debug("DVB3_EVENT_UNC_ERR");
 109                         sms_board_event(coredev, BOARD_EVENT_MULTIPLEX_ERRORS);
 110                 }
 111                 break;
 112
 113         default:
 114                 sms_err("Unknown dvb3 api event");
 115                 break;
 116         }
 117 }
 118
 119
 120 static void smsdvb_update_dvb_stats(struct RECEPTION_STATISTICS_S *pReceptionData,
 121                                    struct SMSHOSTLIB_STATISTICS_ST *p)
 122 {
 123         if (sms_dbg & 2) {
 124                 printk(KERN_DEBUG "Reserved = %d", p->Reserved);
 125                 printk(KERN_DEBUG "IsRfLocked = %d", p->IsRfLocked);
 126                 printk(KERN_DEBUG "IsDemodLocked = %d", p->IsDemodLocked);
 127                 printk(KERN_DEBUG "IsExternalLNAOn = %d", p->IsExternalLNAOn);
 128                 printk(KERN_DEBUG "SNR = %d", p->SNR);
 129                 printk(KERN_DEBUG "BER = %d", p->BER);
 130                 printk(KERN_DEBUG "FIB_CRC = %d", p->FIB_CRC);
 131                 printk(KERN_DEBUG "TS_PER = %d", p->TS_PER);
 132                 printk(KERN_DEBUG "MFER = %d", p->MFER);
 133                 printk(KERN_DEBUG "RSSI = %d", p->RSSI);
 134                 printk(KERN_DEBUG "InBandPwr = %d", p->InBandPwr);
 135                 printk(KERN_DEBUG "CarrierOffset = %d", p->CarrierOffset);
 136                 printk(KERN_DEBUG "Frequency = %d", p->Frequency);
 137                 printk(KERN_DEBUG "Bandwidth = %d", p->Bandwidth);
 138                 printk(KERN_DEBUG "TransmissionMode = %d", p->TransmissionMode);
 139                 printk(KERN_DEBUG "ModemState = %d", p->ModemState);
 140                 printk(KERN_DEBUG "GuardInterval = %d", p->GuardInterval);
 141                 printk(KERN_DEBUG "CodeRate = %d", p->CodeRate);
 142                 printk(KERN_DEBUG "LPCodeRate = %d", p->LPCodeRate);
 143                 printk(KERN_DEBUG "Hierarchy = %d", p->Hierarchy);
 144                 printk(KERN_DEBUG "Constellation = %d", p->Constellation);
 145                 printk(KERN_DEBUG "BurstSize = %d", p->BurstSize);
 146                 printk(KERN_DEBUG "BurstDuration = %d", p->BurstDuration);
 147                 printk(KERN_DEBUG "BurstCycleTime = %d", p->BurstCycleTime);
 148                 printk(KERN_DEBUG "CalculatedBurstCycleTime = %d", p->CalculatedBurstCycleTime);
 149                 printk(KERN_DEBUG "NumOfRows = %d", p->NumOfRows);
 150                 printk(KERN_DEBUG "NumOfPaddCols = %d", p->NumOfPaddCols);
 151                 printk(KERN_DEBUG "NumOfPunctCols = %d", p->NumOfPunctCols);
 152                 printk(KERN_DEBUG "ErrorTSPackets = %d", p->ErrorTSPackets);
 153                 printk(KERN_DEBUG "TotalTSPackets = %d", p->TotalTSPackets);
 154                 printk(KERN_DEBUG "NumOfValidMpeTlbs = %d", p->NumOfValidMpeTlbs);
 155                 printk(KERN_DEBUG "NumOfInvalidMpeTlbs = %d", p->NumOfInvalidMpeTlbs);
 156                 printk(KERN_DEBUG "NumOfCorrectedMpeTlbs = %d", p->NumOfCorrectedMpeTlbs);
 157                 printk(KERN_DEBUG "BERErrorCount = %d", p->BERErrorCount);
 158                 printk(KERN_DEBUG "BERBitCount = %d", p->BERBitCount);
 159                 printk(KERN_DEBUG "SmsToHostTxErrors = %d", p->SmsToHostTxErrors);
 160                 printk(KERN_DEBUG "PreBER = %d", p->PreBER);
 161                 printk(KERN_DEBUG "CellId = %d", p->CellId);
 162                 printk(KERN_DEBUG "DvbhSrvIndHP = %d", p->DvbhSrvIndHP);
 163                 printk(KERN_DEBUG "DvbhSrvIndLP = %d", p->DvbhSrvIndLP);
 164                 printk(KERN_DEBUG "NumMPEReceived = %d", p->NumMPEReceived);
 165         }
 166
 167         pReceptionData->IsDemodLocked = p->IsDemodLocked;
 168
 169         pReceptionData->SNR = p->SNR;
 170         pReceptionData->BER = p->BER;
 171         pReceptionData->BERErrorCount = p->BERErrorCount;
 172         pReceptionData->InBandPwr = p->InBandPwr;
 173         pReceptionData->ErrorTSPackets = p->ErrorTSPackets;
 174 };
 175
 176
 177 static void smsdvb_update_isdbt_stats(struct RECEPTION_STATISTICS_S *pReceptionData,
 178                                     struct SMSHOSTLIB_STATISTICS_ISDBT_ST *p)
 179 {
 180         int i;
 181
 182         if (sms_dbg & 2) {
 183                 printk(KERN_DEBUG "IsRfLocked = %d", p->IsRfLocked);
 184                 printk(KERN_DEBUG "IsDemodLocked = %d", p->IsDemodLocked);
 185                 printk(KERN_DEBUG "IsExternalLNAOn = %d", p->IsExternalLNAOn);
 186                 printk(KERN_DEBUG "SNR = %d", p->SNR);
 187                 printk(KERN_DEBUG "RSSI = %d", p->RSSI);
 188                 printk(KERN_DEBUG "InBandPwr = %d", p->InBandPwr);
 189                 printk(KERN_DEBUG "CarrierOffset = %d", p->CarrierOffset);
 190                 printk(KERN_DEBUG "Frequency = %d", p->Frequency);
 191                 printk(KERN_DEBUG "Bandwidth = %d", p->Bandwidth);
 192                 printk(KERN_DEBUG "TransmissionMode = %d", p->TransmissionMode);
 193                 printk(KERN_DEBUG "ModemState = %d", p->ModemState);
 194                 printk(KERN_DEBUG "GuardInterval = %d", p->GuardInterval);
 195                 printk(KERN_DEBUG "SystemType = %d", p->SystemType);
 196                 printk(KERN_DEBUG "PartialReception = %d", p->PartialReception);
 197                 printk(KERN_DEBUG "NumOfLayers = %d", p->NumOfLayers);
 198                 printk(KERN_DEBUG "SmsToHostTxErrors = %d", p->SmsToHostTxErrors);
 199
 200                 for (i = 0; i < 3; i++) {
 201                         printk(KERN_DEBUG "%d: CodeRate = %d", i, p->LayerInfo[i].CodeRate);
 202                         printk(KERN_DEBUG "%d: Constellation = %d", i, p->LayerInfo[i].Constellation);
 203                         printk(KERN_DEBUG "%d: BER = %d", i, p->LayerInfo[i].BER);
 204                         printk(KERN_DEBUG "%d: BERErrorCount = %d", i, p->LayerInfo[i].BERErrorCount);
 205                         printk(KERN_DEBUG "%d: BERBitCount = %d", i, p->LayerInfo[i].BERBitCount);
 206                         printk(KERN_DEBUG "%d: PreBER = %d", i, p->LayerInfo[i].PreBER);
 207                         printk(KERN_DEBUG "%d: TS_PER = %d", i, p->LayerInfo[i].TS_PER);
 208                         printk(KERN_DEBUG "%d: ErrorTSPackets = %d", i, p->LayerInfo[i].ErrorTSPackets);
 209                         printk(KERN_DEBUG "%d: TotalTSPackets = %d", i, p->LayerInfo[i].TotalTSPackets);
 210                         printk(KERN_DEBUG "%d: TILdepthI = %d", i, p->LayerInfo[i].TILdepthI);
 211                         printk(KERN_DEBUG "%d: NumberOfSegments = %d", i, p->LayerInfo[i].NumberOfSegments);
 212                         printk(KERN_DEBUG "%d: TMCCErrors = %d", i, p->LayerInfo[i].TMCCErrors);
 213                 }
 214         }
 215
 216         pReceptionData->IsDemodLocked = p->IsDemodLocked;
 217
 218         pReceptionData->SNR = p->SNR;
 219         pReceptionData->InBandPwr = p->InBandPwr;
 220
 221         pReceptionData->ErrorTSPackets = 0;
 222         pReceptionData->BER = 0;
 223         pReceptionData->BERErrorCount = 0;
 224         for (i = 0; i < 3; i++) {
 225                 pReceptionData->BER += p->LayerInfo[i].BER;
 226                 pReceptionData->BERErrorCount += p->LayerInfo[i].BERErrorCount;
 227                 pReceptionData->ErrorTSPackets += p->LayerInfo[i].ErrorTSPackets;
 228         }
 229 }
 230
 231 static int smsdvb_onresponse(void *context, struct smscore_buffer_t *cb)
 232 {
 233         struct smsdvb_client_t *client = (struct smsdvb_client_t *) context;
 234         struct SmsMsgHdr_ST *phdr = (struct SmsMsgHdr_ST *) (((u8 *) cb->p)
 235                         + cb->offset);
 236         u32 *pMsgData = (u32 *) phdr + 1;
 237         /*u32 MsgDataLen = phdr->msgLength - sizeof(struct SmsMsgHdr_ST);*/
 238         bool is_status_update = false;
 239
 240         smsendian_handle_rx_message((struct SmsMsgData_ST *) phdr);
 241
 242         switch (phdr->msgType) {
 243         case MSG_SMS_DVBT_BDA_DATA:
 244                 dvb_dmx_swfilter(&client->demux, (u8 *)(phdr + 1),
 245                                  cb->size - sizeof(struct SmsMsgHdr_ST));
 246                 break;
 247
 248         case MSG_SMS_RF_TUNE_RES:
 249         case MSG_SMS_ISDBT_TUNE_RES:
 250                 complete(&client->tune_done);
 251                 break;
 252
 253         case MSG_SMS_SIGNAL_DETECTED_IND:
 254                 sms_info("MSG_SMS_SIGNAL_DETECTED_IND");
 255                 client->sms_stat_dvb.TransmissionData.IsDemodLocked = true;
 256                 is_status_update = true;
 257                 break;
 258
 259         case MSG_SMS_NO_SIGNAL_IND:
 260                 sms_info("MSG_SMS_NO_SIGNAL_IND");
 261                 client->sms_stat_dvb.TransmissionData.IsDemodLocked = false;
 262                 is_status_update = true;
 263                 break;
 264
 265         case MSG_SMS_TRANSMISSION_IND: {
 266                 sms_info("MSG_SMS_TRANSMISSION_IND");
 267
 268                 pMsgData++;
 269                 memcpy(&client->sms_stat_dvb.TransmissionData, pMsgData,
 270                                 sizeof(struct TRANSMISSION_STATISTICS_S));
 271
 272                 /* Mo need to correct guard interval
 273                  * (as opposed to old statistics message).
 274                  */
 275                 CORRECT_STAT_BANDWIDTH(client->sms_stat_dvb.TransmissionData);
 276                 CORRECT_STAT_TRANSMISSON_MODE(
 277                                 client->sms_stat_dvb.TransmissionData);
 278                 is_status_update = true;
 279                 break;
 280         }
 281         case MSG_SMS_HO_PER_SLICES_IND: {
 282                 struct RECEPTION_STATISTICS_S *pReceptionData =
 283                                 &client->sms_stat_dvb.ReceptionData;
 284                 struct SRVM_SIGNAL_STATUS_S SignalStatusData;
 285
 286                 /*sms_info("MSG_SMS_HO_PER_SLICES_IND");*/
 287                 pMsgData++;
 288                 SignalStatusData.result = pMsgData[0];
 289                 SignalStatusData.snr = pMsgData[1];
 290                 SignalStatusData.inBandPower = (s32) pMsgData[2];
 291                 SignalStatusData.tsPackets = pMsgData[3];
 292                 SignalStatusData.etsPackets = pMsgData[4];
 293                 SignalStatusData.constellation = pMsgData[5];
 294                 SignalStatusData.hpCode = pMsgData[6];
 295                 SignalStatusData.tpsSrvIndLP = pMsgData[7] & 0x03;
 296                 SignalStatusData.tpsSrvIndHP = pMsgData[8] & 0x03;
 297                 SignalStatusData.cellId = pMsgData[9] & 0xFFFF;
 298                 SignalStatusData.reason = pMsgData[10];
 299                 SignalStatusData.requestId = pMsgData[11];
 300                 pReceptionData->IsRfLocked = pMsgData[16];
 301                 pReceptionData->IsDemodLocked = pMsgData[17];
 302                 pReceptionData->ModemState = pMsgData[12];
 303                 pReceptionData->SNR = pMsgData[1];
 304                 pReceptionData->BER = pMsgData[13];
 305                 pReceptionData->RSSI = pMsgData[14];
 306                 CORRECT_STAT_RSSI(client->sms_stat_dvb.ReceptionData);
 307
 308                 pReceptionData->InBandPwr = (s32) pMsgData[2];
 309                 pReceptionData->CarrierOffset = (s32) pMsgData[15];
 310                 pReceptionData->TotalTSPackets = pMsgData[3];
 311                 pReceptionData->ErrorTSPackets = pMsgData[4];
 312
 313                 /* TS PER */
 314                 if ((SignalStatusData.tsPackets + SignalStatusData.etsPackets)
 315                                 > 0) {
 316                         pReceptionData->TS_PER = (SignalStatusData.etsPackets
 317                                         * 100) / (SignalStatusData.tsPackets
 318                                         + SignalStatusData.etsPackets);
 319                 } else {
 320                         pReceptionData->TS_PER = 0;
 321                 }
 322
 323                 pReceptionData->BERBitCount = pMsgData[18];
 324                 pReceptionData->BERErrorCount = pMsgData[19];
 325
 326                 pReceptionData->MRC_SNR = pMsgData[20];
 327                 pReceptionData->MRC_InBandPwr = pMsgData[21];
 328                 pReceptionData->MRC_RSSI = pMsgData[22];
 329
 330                 is_status_update = true;
 331                 break;
 332         }
 333         case MSG_SMS_GET_STATISTICS_RES: {
 334                 union {
 335                         struct SMSHOSTLIB_STATISTICS_ISDBT_ST  isdbt;
 336                         struct SmsMsgStatisticsInfo_ST         dvb;
 337                 } *p = (void *) (phdr + 1);
 338                 struct RECEPTION_STATISTICS_S *pReceptionData =
 339                                 &client->sms_stat_dvb.ReceptionData;
 340
 341                 sms_info("MSG_SMS_GET_STATISTICS_RES");
 342
 343                 is_status_update = true;
 344
 345                 switch (smscore_get_device_mode(client->coredev)) {
 346                 case DEVICE_MODE_ISDBT:
 347                 case DEVICE_MODE_ISDBT_BDA:
 348                         smsdvb_update_isdbt_stats(pReceptionData, &p->isdbt);
 349                         break;
 350                 default:
 351                         smsdvb_update_dvb_stats(pReceptionData, &p->dvb.Stat);
 352                 }
 353                 if (!pReceptionData->IsDemodLocked) {
 354                         pReceptionData->SNR = 0;
 355                         pReceptionData->BER = 0;
 356                         pReceptionData->BERErrorCount = 0;
 357                         pReceptionData->InBandPwr = 0;
 358                         pReceptionData->ErrorTSPackets = 0;
 359                 }
 360
 361                 complete(&client->tune_done);
 362                 break;
 363         }
 364         default:
 365                 sms_info("Unhandled message %d", phdr->msgType);
 366
 367         }
 368         smscore_putbuffer(client->coredev, cb);
 369
 370         if (is_status_update) {
 371                 if (client->sms_stat_dvb.ReceptionData.IsDemodLocked) {
 372                         client->fe_status = FE_HAS_SIGNAL | FE_HAS_CARRIER
 373                                 | FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK;
 374                         sms_board_dvb3_event(client, DVB3_EVENT_FE_LOCK);
 375                         if (client->sms_stat_dvb.ReceptionData.ErrorTSPackets
 376                                         == 0)
 377                                 sms_board_dvb3_event(client, DVB3_EVENT_UNC_OK);
 378                         else
 379                                 sms_board_dvb3_event(client,
 380                                                 DVB3_EVENT_UNC_ERR);
 381
 382                 } else {
 383                         if (client->sms_stat_dvb.ReceptionData.IsRfLocked)
 384                                 client->fe_status = FE_HAS_SIGNAL | FE_HAS_CARRIER;
 385                         else
 386                                 client->fe_status = 0;
 387                         sms_board_dvb3_event(client, DVB3_EVENT_FE_UNLOCK);
 388                 }
 389         }
 390
 391         return 0;
 392 }
 393
 394 static void smsdvb_unregister_client(struct smsdvb_client_t *client)
 395 {
 396         /* must be called under clientslock */
 397
 398         list_del(&client->entry);
 399
 400         smscore_unregister_client(client->smsclient);
 401         dvb_unregister_frontend(&client->frontend);
 402         dvb_dmxdev_release(&client->dmxdev);
 403         dvb_dmx_release(&client->demux);
 404         dvb_unregister_adapter(&client->adapter);
 405         kfree(client);
 406 }
 407
 408 static void smsdvb_onremove(void *context)
 409 {
 410         kmutex_lock(&g_smsdvb_clientslock);
 411
 412         smsdvb_unregister_client((struct smsdvb_client_t *) context);
 413
 414         kmutex_unlock(&g_smsdvb_clientslock);
 415 }
 416
 417 static int smsdvb_start_feed(struct dvb_demux_feed *feed)
 418 {
 419         struct smsdvb_client_t *client =
 420                 container_of(feed->demux, struct smsdvb_client_t, demux);
 421         struct SmsMsgData_ST PidMsg;
 422
 423         sms_debug("add pid %d(%x)",
 424                   feed->pid, feed->pid);
 425
 426         PidMsg.xMsgHeader.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
 427         PidMsg.xMsgHeader.msgDstId = HIF_TASK;
 428         PidMsg.xMsgHeader.msgFlags = 0;
 429         PidMsg.xMsgHeader.msgType  = MSG_SMS_ADD_PID_FILTER_REQ;
 430         PidMsg.xMsgHeader.msgLength = sizeof(PidMsg);
 431         PidMsg.msgData[0] = feed->pid;
 432
 433         smsendian_handle_tx_message((struct SmsMsgHdr_ST *)&PidMsg);
 434         return smsclient_sendrequest(client->smsclient,
 435                                      &PidMsg, sizeof(PidMsg));
 436 }
 437
 438 static int smsdvb_stop_feed(struct dvb_demux_feed *feed)
 439 {
 440         struct smsdvb_client_t *client =
 441                 container_of(feed->demux, struct smsdvb_client_t, demux);
 442         struct SmsMsgData_ST PidMsg;
 443
 444         sms_debug("remove pid %d(%x)",
 445                   feed->pid, feed->pid);
 446
 447         PidMsg.xMsgHeader.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
 448         PidMsg.xMsgHeader.msgDstId = HIF_TASK;
 449         PidMsg.xMsgHeader.msgFlags = 0;
 450         PidMsg.xMsgHeader.msgType  = MSG_SMS_REMOVE_PID_FILTER_REQ;
 451         PidMsg.xMsgHeader.msgLength = sizeof(PidMsg);
 452         PidMsg.msgData[0] = feed->pid;
 453
 454         smsendian_handle_tx_message((struct SmsMsgHdr_ST *)&PidMsg);
 455         return smsclient_sendrequest(client->smsclient,
 456                                      &PidMsg, sizeof(PidMsg));
 457 }
 458
 459 static int smsdvb_sendrequest_and_wait(struct smsdvb_client_t *client,
 460                                         void *buffer, size_t size,
 461                                         struct completion *completion)
 462 {
 463         int rc;
 464
 465         smsendian_handle_tx_message((struct SmsMsgHdr_ST *)buffer);
 466         rc = smsclient_sendrequest(client->smsclient, buffer, size);
 467         if (rc < 0)
 468                 return rc;
 469
 470         return wait_for_completion_timeout(completion,
 471                                            msecs_to_jiffies(2000)) ?
 472                                                 0 : -ETIME;
 473 }
 474
 475 static int smsdvb_send_statistics_request(struct smsdvb_client_t *client)
 476 {
 477         int rc;
 478         struct SmsMsgHdr_ST Msg = { MSG_SMS_GET_STATISTICS_REQ,
 479                                     DVBT_BDA_CONTROL_MSG_ID,
 480                                     HIF_TASK,
 481                                     sizeof(struct SmsMsgHdr_ST), 0 };
 482
 483         rc = smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg),
 484                                           &client->tune_done);
 485
 486         return rc;
 487 }
 488
 489 static inline int led_feedback(struct smsdvb_client_t *client)
 490 {
 491         if (client->fe_status & FE_HAS_LOCK)
 492                 return sms_board_led_feedback(client->coredev,
 493                         (client->sms_stat_dvb.ReceptionData.BER
 494                         == 0) ? SMS_LED_HI : SMS_LED_LO);
 495         else
 496                 return sms_board_led_feedback(client->coredev, SMS_LED_OFF);
 497 }
 498
 499 static int smsdvb_read_status(struct dvb_frontend *fe, fe_status_t *stat)
 500 {
 501         int rc;
 502         struct smsdvb_client_t *client;
 503         client = container_of(fe, struct smsdvb_client_t, frontend);
 504
 505         rc = smsdvb_send_statistics_request(client);
 506
 507         *stat = client->fe_status;
 508
 509         led_feedback(client);
 510
 511         return rc;
 512 }
 513
 514 static int smsdvb_read_ber(struct dvb_frontend *fe, u32 *ber)
 515 {
 516         int rc;
 517         struct smsdvb_client_t *client;
 518         client = container_of(fe, struct smsdvb_client_t, frontend);
 519
 520         rc = smsdvb_send_statistics_request(client);
 521
 522         *ber = client->sms_stat_dvb.ReceptionData.BER;
 523
 524         led_feedback(client);
 525
 526         return rc;
 527 }
 528
 529 static int smsdvb_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
 530 {
 531         int rc;
 532
 533         struct smsdvb_client_t *client;
 534         client = container_of(fe, struct smsdvb_client_t, frontend);
 535
 536         rc = smsdvb_send_statistics_request(client);
 537
 538         if (client->sms_stat_dvb.ReceptionData.InBandPwr < -95)
 539                 *strength = 0;
 540                 else if (client->sms_stat_dvb.ReceptionData.InBandPwr > -29)
 541                         *strength = 100;
 542                 else
 543                         *strength =
 544                                 (client->sms_stat_dvb.ReceptionData.InBandPwr
 545                                 + 95) * 3 / 2;
 546
 547         led_feedback(client);
 548
 549         return rc;
 550 }
 551
 552 static int smsdvb_read_snr(struct dvb_frontend *fe, u16 *snr)
 553 {
 554         int rc;
 555         struct smsdvb_client_t *client;
 556         client = container_of(fe, struct smsdvb_client_t, frontend);
 557
 558         rc = smsdvb_send_statistics_request(client);
 559
 560         *snr = client->sms_stat_dvb.ReceptionData.SNR;
 561
 562         led_feedback(client);
 563
 564         return rc;
 565 }
 566
 567 static int smsdvb_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
 568 {
 569         int rc;
 570         struct smsdvb_client_t *client;
 571         client = container_of(fe, struct smsdvb_client_t, frontend);
 572
 573         rc = smsdvb_send_statistics_request(client);
 574
 575         *ucblocks = client->sms_stat_dvb.ReceptionData.ErrorTSPackets;
 576
 577         led_feedback(client);
 578
 579         return rc;
 580 }
 581
 582 static int smsdvb_get_tune_settings(struct dvb_frontend *fe,
 583                                     struct dvb_frontend_tune_settings *tune)
 584 {
 585         sms_debug("");
 586
 587         tune->min_delay_ms = 400;
 588         tune->step_size = 250000;
 589         tune->max_drift = 0;
 590         return 0;
 591 }
 592
 593 static int smsdvb_dvbt_set_frontend(struct dvb_frontend *fe,
 594                                     struct dvb_frontend_parameters *p)
 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 didnt 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                                      struct dvb_frontend_parameters *p)
 662 {
 663         struct dtv_frontend_properties *c = &fe->dtv_property_cache;
 664         struct smsdvb_client_t *client =
 665                 container_of(fe, struct smsdvb_client_t, frontend);
 666
 667         struct {
 668                 struct SmsMsgHdr_ST     Msg;
 669                 u32             Data[4];
 670         } Msg;
 671
 672         fe->dtv_property_cache.delivery_system = SYS_ISDBT;
 673
 674         Msg.Msg.msgSrcId  = DVBT_BDA_CONTROL_MSG_ID;
 675         Msg.Msg.msgDstId  = HIF_TASK;
 676         Msg.Msg.msgFlags  = 0;
 677         Msg.Msg.msgType   = MSG_SMS_ISDBT_TUNE_REQ;
 678         Msg.Msg.msgLength = sizeof(Msg);
 679
 680         if (c->isdbt_sb_segment_idx == -1)
 681                 c->isdbt_sb_segment_idx = 0;
 682
 683         switch (c->isdbt_sb_segment_count) {
 684         case 3:
 685                 Msg.Data[1] = BW_ISDBT_3SEG;
 686                 break;
 687         case 1:
 688                 Msg.Data[1] = BW_ISDBT_1SEG;
 689                 break;
 690         case 0: /* AUTO */
 691                 switch (c->bandwidth_hz / 1000000) {
 692                 case 8:
 693                 case 7:
 694                         c->isdbt_sb_segment_count = 3;
 695                         Msg.Data[1] = BW_ISDBT_3SEG;
 696                         break;
 697                 case 6:
 698                         c->isdbt_sb_segment_count = 1;
 699                         Msg.Data[1] = BW_ISDBT_1SEG;
 700                         break;
 701                 default: /* Assumes 6 MHZ bw */
 702                         c->isdbt_sb_segment_count = 1;
 703                         c->bandwidth_hz = 6000;
 704                         Msg.Data[1] = BW_ISDBT_1SEG;
 705                         break;
 706                 }
 707                 break;
 708         default:
 709                 sms_info("Segment count %d not supported", c->isdbt_sb_segment_count);
 710                 return -EINVAL;
 711         }
 712
 713         Msg.Data[0] = c->frequency;
 714         Msg.Data[2] = 12000000;
 715         Msg.Data[3] = c->isdbt_sb_segment_idx;
 716
 717         sms_info("%s: freq %d segwidth %d segindex %d\n", __func__,
 718                  c->frequency, c->isdbt_sb_segment_count,
 719                  c->isdbt_sb_segment_idx);
 720
 721         return smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg),
 722                                            &client->tune_done);
 723 }
 724
 725 static int smsdvb_set_frontend(struct dvb_frontend *fe,
 726                                struct dvb_frontend_parameters *fep)
 727 {
 728         struct smsdvb_client_t *client =
 729                 container_of(fe, struct smsdvb_client_t, frontend);
 730         struct smscore_device_t *coredev = client->coredev;
 731
 732         switch (smscore_get_device_mode(coredev)) {
 733         case DEVICE_MODE_DVBT:
 734         case DEVICE_MODE_DVBT_BDA:
 735                 return smsdvb_dvbt_set_frontend(fe, fep);
 736         case DEVICE_MODE_ISDBT:
 737         case DEVICE_MODE_ISDBT_BDA:
 738                 return smsdvb_isdbt_set_frontend(fe, fep);
 739         default:
 740                 return -EINVAL;
 741         }
 742 }
 743
 744 static int smsdvb_get_frontend(struct dvb_frontend *fe,
 745                                struct dvb_frontend_parameters *fep)
 746 {
 747         struct smsdvb_client_t *client =
 748                 container_of(fe, struct smsdvb_client_t, frontend);
 749
 750         sms_debug("");
 751
 752         /* todo: */
 753         memcpy(fep, &client->fe_params,
 754                sizeof(struct dvb_frontend_parameters));
 755
 756         return 0;
 757 }
 758
 759 static int smsdvb_init(struct dvb_frontend *fe)
 760 {
 761         struct smsdvb_client_t *client =
 762                 container_of(fe, struct smsdvb_client_t, frontend);
 763
 764         sms_board_power(client->coredev, 1);
 765
 766         sms_board_dvb3_event(client, DVB3_EVENT_INIT);
 767         return 0;
 768 }
 769
 770 static int smsdvb_sleep(struct dvb_frontend *fe)
 771 {
 772         struct smsdvb_client_t *client =
 773                 container_of(fe, struct smsdvb_client_t, frontend);
 774
 775         sms_board_led_feedback(client->coredev, SMS_LED_OFF);
 776         sms_board_power(client->coredev, 0);
 777
 778         sms_board_dvb3_event(client, DVB3_EVENT_SLEEP);
 779
 780         return 0;
 781 }
 782
 783 static void smsdvb_release(struct dvb_frontend *fe)
 784 {
 785         /* do nothing */
 786 }
 787
 788 static struct dvb_frontend_ops smsdvb_fe_ops = {
 789         .info = {
 790                 .name                   = "Siano Mobile Digital MDTV Receiver",
 791                 .type                   = FE_OFDM,
 792                 .frequency_min          = 44250000,
 793                 .frequency_max          = 867250000,
 794                 .frequency_stepsize     = 250000,
 795                 .caps = FE_CAN_INVERSION_AUTO |
 796                         FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
 797                         FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO |
 798                         FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_QAM_64 |
 799                         FE_CAN_QAM_AUTO | FE_CAN_TRANSMISSION_MODE_AUTO |
 800                         FE_CAN_GUARD_INTERVAL_AUTO |
 801                         FE_CAN_RECOVER |
 802                         FE_CAN_HIERARCHY_AUTO,
 803         },
 804
 805         .release = smsdvb_release,
 806
 807         .set_frontend = smsdvb_set_frontend,
 808         .get_frontend = smsdvb_get_frontend,
 809         .get_tune_settings = smsdvb_get_tune_settings,
 810
 811         .read_status = smsdvb_read_status,
 812         .read_ber = smsdvb_read_ber,
 813         .read_signal_strength = smsdvb_read_signal_strength,
 814         .read_snr = smsdvb_read_snr,
 815         .read_ucblocks = smsdvb_read_ucblocks,
 816
 817         .init = smsdvb_init,
 818         .sleep = smsdvb_sleep,
 819 };
 820
 821 static int smsdvb_hotplug(struct smscore_device_t *coredev,
 822                           struct device *device, int arrival)
 823 {
 824         struct smsclient_params_t params;
 825         struct smsdvb_client_t *client;
 826         int rc;
 827
 828         /* device removal handled by onremove callback */
 829         if (!arrival)
 830                 return 0;
 831         client = kzalloc(sizeof(struct smsdvb_client_t), GFP_KERNEL);
 832         if (!client) {
 833                 sms_err("kmalloc() failed");
 834                 return -ENOMEM;
 835         }
 836
 837         /* register dvb adapter */
 838         rc = dvb_register_adapter(&client->adapter,
 839                                   sms_get_board(
 840                                         smscore_get_board_id(coredev))->name,
 841                                   THIS_MODULE, device, adapter_nr);
 842         if (rc < 0) {
 843                 sms_err("dvb_register_adapter() failed %d", rc);
 844                 goto adapter_error;
 845         }
 846
 847         /* init dvb demux */
 848         client->demux.dmx.capabilities = DMX_TS_FILTERING;
 849         client->demux.filternum = 32; /* todo: nova ??? */
 850         client->demux.feednum = 32;
 851         client->demux.start_feed = smsdvb_start_feed;
 852         client->demux.stop_feed = smsdvb_stop_feed;
 853
 854         rc = dvb_dmx_init(&client->demux);
 855         if (rc < 0) {
 856                 sms_err("dvb_dmx_init failed %d", rc);
 857                 goto dvbdmx_error;
 858         }
 859
 860         /* init dmxdev */
 861         client->dmxdev.filternum = 32;
 862         client->dmxdev.demux = &client->demux.dmx;
 863         client->dmxdev.capabilities = 0;
 864
 865         rc = dvb_dmxdev_init(&client->dmxdev, &client->adapter);
 866         if (rc < 0) {
 867                 sms_err("dvb_dmxdev_init failed %d", rc);
 868                 goto dmxdev_error;
 869         }
 870
 871         /* init and register frontend */
 872         memcpy(&client->frontend.ops, &smsdvb_fe_ops,
 873                sizeof(struct dvb_frontend_ops));
 874
 875         rc = dvb_register_frontend(&client->adapter, &client->frontend);
 876         if (rc < 0) {
 877                 sms_err("frontend registration failed %d", rc);
 878                 goto frontend_error;
 879         }
 880
 881         params.initial_id = 1;
 882         params.data_type = MSG_SMS_DVBT_BDA_DATA;
 883         params.onresponse_handler = smsdvb_onresponse;
 884         params.onremove_handler = smsdvb_onremove;
 885         params.context = client;
 886
 887         rc = smscore_register_client(coredev, &params, &client->smsclient);
 888         if (rc < 0) {
 889                 sms_err("smscore_register_client() failed %d", rc);
 890                 goto client_error;
 891         }
 892
 893         client->coredev = coredev;
 894
 895         init_completion(&client->tune_done);
 896
 897         kmutex_lock(&g_smsdvb_clientslock);
 898
 899         list_add(&client->entry, &g_smsdvb_clients);
 900
 901         kmutex_unlock(&g_smsdvb_clientslock);
 902
 903         client->event_fe_state = -1;
 904         client->event_unc_state = -1;
 905         sms_board_dvb3_event(client, DVB3_EVENT_HOTPLUG);
 906
 907         sms_info("success");
 908         sms_board_setup(coredev);
 909
 910         return 0;
 911
 912 client_error:
 913         dvb_unregister_frontend(&client->frontend);
 914
 915 frontend_error:
 916         dvb_dmxdev_release(&client->dmxdev);
 917
 918 dmxdev_error:
 919         dvb_dmx_release(&client->demux);
 920
 921 dvbdmx_error:
 922         dvb_unregister_adapter(&client->adapter);
 923
 924 adapter_error:
 925         kfree(client);
 926         return rc;
 927 }
 928
 929 static int __init smsdvb_module_init(void)
 930 {
 931         int rc;
 932
 933         INIT_LIST_HEAD(&g_smsdvb_clients);
 934         kmutex_init(&g_smsdvb_clientslock);
 935
 936         rc = smscore_register_hotplug(smsdvb_hotplug);
 937
 938         sms_debug("");
 939
 940         return rc;
 941 }
 942
 943 static void __exit smsdvb_module_exit(void)
 944 {
 945         smscore_unregister_hotplug(smsdvb_hotplug);
 946
 947         kmutex_lock(&g_smsdvb_clientslock);
 948
 949         while (!list_empty(&g_smsdvb_clients))
 950                smsdvb_unregister_client(
 951                         (struct smsdvb_client_t *) g_smsdvb_clients.next);
 952
 953         kmutex_unlock(&g_smsdvb_clientslock);
 954 }
 955
 956 module_init(smsdvb_module_init);
 957 module_exit(smsdvb_module_exit);
 958
 959 MODULE_DESCRIPTION("SMS DVB subsystem adaptation module");
 960 MODULE_AUTHOR("Siano Mobile Silicon, Inc. (uris@siano-ms.com)");
 961 MODULE_LICENSE("GPL");