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 static int smsdvb_onresponse(void *context, struct smscore_buffer_t *cb)
 120 {
 121         struct smsdvb_client_t *client = (struct smsdvb_client_t *) context;
 122         struct SmsMsgHdr_ST *phdr = (struct SmsMsgHdr_ST *) (((u8 *) cb->p)
 123                         + cb->offset);
 124         u32 *pMsgData = (u32 *) phdr + 1;
 125         /*u32 MsgDataLen = phdr->msgLength - sizeof(struct SmsMsgHdr_ST);*/
 126         bool is_status_update = false;
 127
 128         smsendian_handle_rx_message((struct SmsMsgData_ST *) phdr);
 129
 130         switch (phdr->msgType) {
 131         case MSG_SMS_DVBT_BDA_DATA:
 132                 dvb_dmx_swfilter(&client->demux, (u8 *)(phdr + 1),
 133                                  cb->size - sizeof(struct SmsMsgHdr_ST));
 134                 break;
 135
 136         case MSG_SMS_RF_TUNE_RES:
 137                 complete(&client->tune_done);
 138                 break;
 139
 140         case MSG_SMS_SIGNAL_DETECTED_IND:
 141                 sms_info("MSG_SMS_SIGNAL_DETECTED_IND");
 142                 client->sms_stat_dvb.TransmissionData.IsDemodLocked = true;
 143                 is_status_update = true;
 144                 break;
 145
 146         case MSG_SMS_NO_SIGNAL_IND:
 147                 sms_info("MSG_SMS_NO_SIGNAL_IND");
 148                 client->sms_stat_dvb.TransmissionData.IsDemodLocked = false;
 149                 is_status_update = true;
 150                 break;
 151
 152         case MSG_SMS_TRANSMISSION_IND: {
 153                 sms_info("MSG_SMS_TRANSMISSION_IND");
 154
 155                 pMsgData++;
 156                 memcpy(&client->sms_stat_dvb.TransmissionData, pMsgData,
 157                                 sizeof(struct TRANSMISSION_STATISTICS_S));
 158
 159                 /* Mo need to correct guard interval
 160                  * (as opposed to old statistics message).
 161                  */
 162                 CORRECT_STAT_BANDWIDTH(client->sms_stat_dvb.TransmissionData);
 163                 CORRECT_STAT_TRANSMISSON_MODE(
 164                                 client->sms_stat_dvb.TransmissionData);
 165                 is_status_update = true;
 166                 break;
 167         }
 168         case MSG_SMS_HO_PER_SLICES_IND: {
 169                 struct RECEPTION_STATISTICS_S *pReceptionData =
 170                                 &client->sms_stat_dvb.ReceptionData;
 171                 struct SRVM_SIGNAL_STATUS_S SignalStatusData;
 172
 173                 /*sms_info("MSG_SMS_HO_PER_SLICES_IND");*/
 174                 pMsgData++;
 175                 SignalStatusData.result = pMsgData[0];
 176                 SignalStatusData.snr = pMsgData[1];
 177                 SignalStatusData.inBandPower = (s32) pMsgData[2];
 178                 SignalStatusData.tsPackets = pMsgData[3];
 179                 SignalStatusData.etsPackets = pMsgData[4];
 180                 SignalStatusData.constellation = pMsgData[5];
 181                 SignalStatusData.hpCode = pMsgData[6];
 182                 SignalStatusData.tpsSrvIndLP = pMsgData[7] & 0x03;
 183                 SignalStatusData.tpsSrvIndHP = pMsgData[8] & 0x03;
 184                 SignalStatusData.cellId = pMsgData[9] & 0xFFFF;
 185                 SignalStatusData.reason = pMsgData[10];
 186                 SignalStatusData.requestId = pMsgData[11];
 187                 pReceptionData->IsRfLocked = pMsgData[16];
 188                 pReceptionData->IsDemodLocked = pMsgData[17];
 189                 pReceptionData->ModemState = pMsgData[12];
 190                 pReceptionData->SNR = pMsgData[1];
 191                 pReceptionData->BER = pMsgData[13];
 192                 pReceptionData->RSSI = pMsgData[14];
 193                 CORRECT_STAT_RSSI(client->sms_stat_dvb.ReceptionData);
 194
 195                 pReceptionData->InBandPwr = (s32) pMsgData[2];
 196                 pReceptionData->CarrierOffset = (s32) pMsgData[15];
 197                 pReceptionData->TotalTSPackets = pMsgData[3];
 198                 pReceptionData->ErrorTSPackets = pMsgData[4];
 199
 200                 /* TS PER */
 201                 if ((SignalStatusData.tsPackets + SignalStatusData.etsPackets)
 202                                 > 0) {
 203                         pReceptionData->TS_PER = (SignalStatusData.etsPackets
 204                                         * 100) / (SignalStatusData.tsPackets
 205                                         + SignalStatusData.etsPackets);
 206                 } else {
 207                         pReceptionData->TS_PER = 0;
 208                 }
 209
 210                 pReceptionData->BERBitCount = pMsgData[18];
 211                 pReceptionData->BERErrorCount = pMsgData[19];
 212
 213                 pReceptionData->MRC_SNR = pMsgData[20];
 214                 pReceptionData->MRC_InBandPwr = pMsgData[21];
 215                 pReceptionData->MRC_RSSI = pMsgData[22];
 216
 217                 is_status_update = true;
 218                 break;
 219         }
 220         }
 221         smscore_putbuffer(client->coredev, cb);
 222
 223         if (is_status_update) {
 224                 if (client->sms_stat_dvb.ReceptionData.IsDemodLocked) {
 225                         client->fe_status = FE_HAS_SIGNAL | FE_HAS_CARRIER
 226                                 | FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK;
 227                         sms_board_dvb3_event(client, DVB3_EVENT_FE_LOCK);
 228                         if (client->sms_stat_dvb.ReceptionData.ErrorTSPackets
 229                                         == 0)
 230                                 sms_board_dvb3_event(client, DVB3_EVENT_UNC_OK);
 231                         else
 232                                 sms_board_dvb3_event(client,
 233                                                 DVB3_EVENT_UNC_ERR);
 234
 235                 } else {
 236                         /*client->fe_status =
 237                                 (phdr->msgType == MSG_SMS_NO_SIGNAL_IND) ?
 238                                 0 : FE_HAS_SIGNAL;*/
 239                         client->fe_status = 0;
 240                         sms_board_dvb3_event(client, DVB3_EVENT_FE_UNLOCK);
 241                 }
 242         }
 243
 244         return 0;
 245 }
 246
 247 static void smsdvb_unregister_client(struct smsdvb_client_t *client)
 248 {
 249         /* must be called under clientslock */
 250
 251         list_del(&client->entry);
 252
 253         smscore_unregister_client(client->smsclient);
 254         dvb_unregister_frontend(&client->frontend);
 255         dvb_dmxdev_release(&client->dmxdev);
 256         dvb_dmx_release(&client->demux);
 257         dvb_unregister_adapter(&client->adapter);
 258         kfree(client);
 259 }
 260
 261 static void smsdvb_onremove(void *context)
 262 {
 263         kmutex_lock(&g_smsdvb_clientslock);
 264
 265         smsdvb_unregister_client((struct smsdvb_client_t *) context);
 266
 267         kmutex_unlock(&g_smsdvb_clientslock);
 268 }
 269
 270 static int smsdvb_start_feed(struct dvb_demux_feed *feed)
 271 {
 272         struct smsdvb_client_t *client =
 273                 container_of(feed->demux, struct smsdvb_client_t, demux);
 274         struct SmsMsgData_ST PidMsg;
 275
 276         sms_debug("add pid %d(%x)",
 277                   feed->pid, feed->pid);
 278
 279         PidMsg.xMsgHeader.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
 280         PidMsg.xMsgHeader.msgDstId = HIF_TASK;
 281         PidMsg.xMsgHeader.msgFlags = 0;
 282         PidMsg.xMsgHeader.msgType  = MSG_SMS_ADD_PID_FILTER_REQ;
 283         PidMsg.xMsgHeader.msgLength = sizeof(PidMsg);
 284         PidMsg.msgData[0] = feed->pid;
 285
 286         smsendian_handle_tx_message((struct SmsMsgHdr_ST *)&PidMsg);
 287         return smsclient_sendrequest(client->smsclient,
 288                                      &PidMsg, sizeof(PidMsg));
 289 }
 290
 291 static int smsdvb_stop_feed(struct dvb_demux_feed *feed)
 292 {
 293         struct smsdvb_client_t *client =
 294                 container_of(feed->demux, struct smsdvb_client_t, demux);
 295         struct SmsMsgData_ST PidMsg;
 296
 297         sms_debug("remove pid %d(%x)",
 298                   feed->pid, feed->pid);
 299
 300         PidMsg.xMsgHeader.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
 301         PidMsg.xMsgHeader.msgDstId = HIF_TASK;
 302         PidMsg.xMsgHeader.msgFlags = 0;
 303         PidMsg.xMsgHeader.msgType  = MSG_SMS_REMOVE_PID_FILTER_REQ;
 304         PidMsg.xMsgHeader.msgLength = sizeof(PidMsg);
 305         PidMsg.msgData[0] = feed->pid;
 306
 307         smsendian_handle_tx_message((struct SmsMsgHdr_ST *)&PidMsg);
 308         return smsclient_sendrequest(client->smsclient,
 309                                      &PidMsg, sizeof(PidMsg));
 310 }
 311
 312 static int smsdvb_sendrequest_and_wait(struct smsdvb_client_t *client,
 313                                         void *buffer, size_t size,
 314                                         struct completion *completion)
 315 {
 316         int rc;
 317
 318         smsendian_handle_tx_message((struct SmsMsgHdr_ST *)buffer);
 319         rc = smsclient_sendrequest(client->smsclient, buffer, size);
 320         if (rc < 0)
 321                 return rc;
 322
 323         return wait_for_completion_timeout(completion,
 324                                            msecs_to_jiffies(2000)) ?
 325                                                 0 : -ETIME;
 326 }
 327
 328 static int smsdvb_read_status(struct dvb_frontend *fe, fe_status_t *stat)
 329 {
 330         struct smsdvb_client_t *client;
 331         client = container_of(fe, struct smsdvb_client_t, frontend);
 332
 333         *stat = client->fe_status;
 334
 335         return 0;
 336 }
 337
 338 static int smsdvb_read_ber(struct dvb_frontend *fe, u32 *ber)
 339 {
 340         struct smsdvb_client_t *client;
 341         client = container_of(fe, struct smsdvb_client_t, frontend);
 342
 343         *ber = client->sms_stat_dvb.ReceptionData.BER;
 344
 345         return 0;
 346 }
 347
 348 static int smsdvb_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
 349 {
 350         struct smsdvb_client_t *client;
 351         client = container_of(fe, struct smsdvb_client_t, frontend);
 352
 353         if (client->sms_stat_dvb.ReceptionData.InBandPwr < -95)
 354                 *strength = 0;
 355                 else if (client->sms_stat_dvb.ReceptionData.InBandPwr > -29)
 356                         *strength = 100;
 357                 else
 358                         *strength =
 359                                 (client->sms_stat_dvb.ReceptionData.InBandPwr
 360                                 + 95) * 3 / 2;
 361
 362         return 0;
 363 }
 364
 365 static int smsdvb_read_snr(struct dvb_frontend *fe, u16 *snr)
 366 {
 367         struct smsdvb_client_t *client;
 368         client = container_of(fe, struct smsdvb_client_t, frontend);
 369
 370         *snr = client->sms_stat_dvb.ReceptionData.SNR;
 371
 372         return 0;
 373 }
 374
 375 static int smsdvb_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
 376 {
 377         struct smsdvb_client_t *client;
 378         client = container_of(fe, struct smsdvb_client_t, frontend);
 379
 380         *ucblocks = client->sms_stat_dvb.ReceptionData.ErrorTSPackets;
 381
 382         return 0;
 383 }
 384
 385 static int smsdvb_get_tune_settings(struct dvb_frontend *fe,
 386                                     struct dvb_frontend_tune_settings *tune)
 387 {
 388         sms_debug("");
 389
 390         tune->min_delay_ms = 400;
 391         tune->step_size = 250000;
 392         tune->max_drift = 0;
 393         return 0;
 394 }
 395
 396 static int smsdvb_set_frontend(struct dvb_frontend *fe,
 397                                struct dvb_frontend_parameters *fep)
 398 {
 399         struct smsdvb_client_t *client =
 400                 container_of(fe, struct smsdvb_client_t, frontend);
 401
 402         struct {
 403                 struct SmsMsgHdr_ST     Msg;
 404                 u32             Data[3];
 405         } Msg;
 406
 407         client->fe_status = FE_HAS_SIGNAL;
 408         client->event_fe_state = -1;
 409         client->event_unc_state = -1;
 410
 411         Msg.Msg.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
 412         Msg.Msg.msgDstId = HIF_TASK;
 413         Msg.Msg.msgFlags = 0;
 414         Msg.Msg.msgType = MSG_SMS_RF_TUNE_REQ;
 415         Msg.Msg.msgLength = sizeof(Msg);
 416         Msg.Data[0] = fep->frequency;
 417         Msg.Data[2] = 12000000;
 418
 419         sms_debug("freq %d band %d",
 420                   fep->frequency, fep->u.ofdm.bandwidth);
 421
 422         switch (fep->u.ofdm.bandwidth) {
 423         case BANDWIDTH_8_MHZ: Msg.Data[1] = BW_8_MHZ; break;
 424         case BANDWIDTH_7_MHZ: Msg.Data[1] = BW_7_MHZ; break;
 425         case BANDWIDTH_6_MHZ: Msg.Data[1] = BW_6_MHZ; break;
 426         case BANDWIDTH_AUTO: return -EOPNOTSUPP;
 427         default: return -EINVAL;
 428         }
 429
 430         return smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg),
 431                                            &client->tune_done);
 432 }
 433
 434 static int smsdvb_get_frontend(struct dvb_frontend *fe,
 435                                struct dvb_frontend_parameters *fep)
 436 {
 437         struct smsdvb_client_t *client =
 438                 container_of(fe, struct smsdvb_client_t, frontend);
 439
 440         sms_debug("");
 441
 442         /* todo: */
 443         memcpy(fep, &client->fe_params,
 444                sizeof(struct dvb_frontend_parameters));
 445
 446         return 0;
 447 }
 448
 449 static int smsdvb_init(struct dvb_frontend *fe)
 450 {
 451         struct smsdvb_client_t *client =
 452                 container_of(fe, struct smsdvb_client_t, frontend);
 453
 454         sms_board_dvb3_event(client, DVB3_EVENT_INIT);
 455         return 0;
 456 }
 457
 458 static int smsdvb_sleep(struct dvb_frontend *fe)
 459 {
 460         struct smsdvb_client_t *client =
 461                 container_of(fe, struct smsdvb_client_t, frontend);
 462
 463         sms_board_dvb3_event(client, DVB3_EVENT_SLEEP);
 464
 465         return 0;
 466 }
 467
 468 static void smsdvb_release(struct dvb_frontend *fe)
 469 {
 470         /* do nothing */
 471 }
 472
 473 static struct dvb_frontend_ops smsdvb_fe_ops = {
 474         .info = {
 475                 .name                   = "Siano Mobile Digital MDTV Receiver",
 476                 .type                   = FE_OFDM,
 477                 .frequency_min          = 44250000,
 478                 .frequency_max          = 867250000,
 479                 .frequency_stepsize     = 250000,
 480                 .caps = FE_CAN_INVERSION_AUTO |
 481                         FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
 482                         FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO |
 483                         FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_QAM_64 |
 484                         FE_CAN_QAM_AUTO | FE_CAN_TRANSMISSION_MODE_AUTO |
 485                         FE_CAN_GUARD_INTERVAL_AUTO |
 486                         FE_CAN_RECOVER |
 487                         FE_CAN_HIERARCHY_AUTO,
 488         },
 489
 490         .release = smsdvb_release,
 491
 492         .set_frontend = smsdvb_set_frontend,
 493         .get_frontend = smsdvb_get_frontend,
 494         .get_tune_settings = smsdvb_get_tune_settings,
 495
 496         .read_status = smsdvb_read_status,
 497         .read_ber = smsdvb_read_ber,
 498         .read_signal_strength = smsdvb_read_signal_strength,
 499         .read_snr = smsdvb_read_snr,
 500         .read_ucblocks = smsdvb_read_ucblocks,
 501
 502         .init = smsdvb_init,
 503         .sleep = smsdvb_sleep,
 504 };
 505
 506 static int smsdvb_hotplug(struct smscore_device_t *coredev,
 507                           struct device *device, int arrival)
 508 {
 509         struct smsclient_params_t params;
 510         struct smsdvb_client_t *client;
 511         int rc;
 512
 513         /* device removal handled by onremove callback */
 514         if (!arrival)
 515                 return 0;
 516
 517         if (smscore_get_device_mode(coredev) != DEVICE_MODE_DVBT_BDA) {
 518                 sms_err("SMS Device mode is not set for "
 519                         "DVB operation.");
 520                 return 0;
 521         }
 522
 523         client = kzalloc(sizeof(struct smsdvb_client_t), GFP_KERNEL);
 524         if (!client) {
 525                 sms_err("kmalloc() failed");
 526                 return -ENOMEM;
 527         }
 528
 529         /* register dvb adapter */
 530         rc = dvb_register_adapter(&client->adapter,
 531                                   sms_get_board(
 532                                         smscore_get_board_id(coredev))->name,
 533                                   THIS_MODULE, device, adapter_nr);
 534         if (rc < 0) {
 535                 sms_err("dvb_register_adapter() failed %d", rc);
 536                 goto adapter_error;
 537         }
 538
 539         /* init dvb demux */
 540         client->demux.dmx.capabilities = DMX_TS_FILTERING;
 541         client->demux.filternum = 32; /* todo: nova ??? */
 542         client->demux.feednum = 32;
 543         client->demux.start_feed = smsdvb_start_feed;
 544         client->demux.stop_feed = smsdvb_stop_feed;
 545
 546         rc = dvb_dmx_init(&client->demux);
 547         if (rc < 0) {
 548                 sms_err("dvb_dmx_init failed %d", rc);
 549                 goto dvbdmx_error;
 550         }
 551
 552         /* init dmxdev */
 553         client->dmxdev.filternum = 32;
 554         client->dmxdev.demux = &client->demux.dmx;
 555         client->dmxdev.capabilities = 0;
 556
 557         rc = dvb_dmxdev_init(&client->dmxdev, &client->adapter);
 558         if (rc < 0) {
 559                 sms_err("dvb_dmxdev_init failed %d", rc);
 560                 goto dmxdev_error;
 561         }
 562
 563         /* init and register frontend */
 564         memcpy(&client->frontend.ops, &smsdvb_fe_ops,
 565                sizeof(struct dvb_frontend_ops));
 566
 567         rc = dvb_register_frontend(&client->adapter, &client->frontend);
 568         if (rc < 0) {
 569                 sms_err("frontend registration failed %d", rc);
 570                 goto frontend_error;
 571         }
 572
 573         params.initial_id = 1;
 574         params.data_type = MSG_SMS_DVBT_BDA_DATA;
 575         params.onresponse_handler = smsdvb_onresponse;
 576         params.onremove_handler = smsdvb_onremove;
 577         params.context = client;
 578
 579         rc = smscore_register_client(coredev, &params, &client->smsclient);
 580         if (rc < 0) {
 581                 sms_err("smscore_register_client() failed %d", rc);
 582                 goto client_error;
 583         }
 584
 585         client->coredev = coredev;
 586
 587         init_completion(&client->tune_done);
 588
 589         kmutex_lock(&g_smsdvb_clientslock);
 590
 591         list_add(&client->entry, &g_smsdvb_clients);
 592
 593         kmutex_unlock(&g_smsdvb_clientslock);
 594
 595         client->event_fe_state = -1;
 596         client->event_unc_state = -1;
 597         sms_board_dvb3_event(client, DVB3_EVENT_HOTPLUG);
 598
 599         sms_info("success");
 600         sms_board_setup(coredev);
 601
 602         return 0;
 603
 604 client_error:
 605         dvb_unregister_frontend(&client->frontend);
 606
 607 frontend_error:
 608         dvb_dmxdev_release(&client->dmxdev);
 609
 610 dmxdev_error:
 611         dvb_dmx_release(&client->demux);
 612
 613 dvbdmx_error:
 614         dvb_unregister_adapter(&client->adapter);
 615
 616 adapter_error:
 617         kfree(client);
 618         return rc;
 619 }
 620
 621 int smsdvb_module_init(void)
 622 {
 623         int rc;
 624
 625         INIT_LIST_HEAD(&g_smsdvb_clients);
 626         kmutex_init(&g_smsdvb_clientslock);
 627
 628         rc = smscore_register_hotplug(smsdvb_hotplug);
 629
 630         sms_debug("");
 631
 632         return rc;
 633 }
 634
 635 void smsdvb_module_exit(void)
 636 {
 637         smscore_unregister_hotplug(smsdvb_hotplug);
 638
 639         kmutex_lock(&g_smsdvb_clientslock);
 640
 641         while (!list_empty(&g_smsdvb_clients))
 642                smsdvb_unregister_client(
 643                         (struct smsdvb_client_t *) g_smsdvb_clients.next);
 644
 645         kmutex_unlock(&g_smsdvb_clientslock);
 646 }
 647
 648 module_init(smsdvb_module_init);
 649 module_exit(smsdvb_module_exit);
 650
 651 MODULE_DESCRIPTION("SMS DVB subsystem adaptation module");
 652 MODULE_AUTHOR("Siano Mobile Silicon, Inc. (uris@siano-ms.com)");
 653 MODULE_LICENSE("GPL");