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 inline int led_feedback(struct smsdvb_client_t *client)
 329 {
 330         if (client->fe_status & FE_HAS_LOCK)
 331                 return sms_board_led_feedback(client->coredev,
 332                         (client->sms_stat_dvb.ReceptionData.BER
 333                         == 0) ? SMS_LED_HI : SMS_LED_LO);
 334         else
 335                 return sms_board_led_feedback(client->coredev, SMS_LED_OFF);
 336 }
 337
 338 static int smsdvb_read_status(struct dvb_frontend *fe, fe_status_t *stat)
 339 {
 340         struct smsdvb_client_t *client;
 341         client = container_of(fe, struct smsdvb_client_t, frontend);
 342
 343         *stat = client->fe_status;
 344
 345         led_feedback(client);
 346
 347         return 0;
 348 }
 349
 350 static int smsdvb_read_ber(struct dvb_frontend *fe, u32 *ber)
 351 {
 352         struct smsdvb_client_t *client;
 353         client = container_of(fe, struct smsdvb_client_t, frontend);
 354
 355         *ber = client->sms_stat_dvb.ReceptionData.BER;
 356
 357         led_feedback(client);
 358
 359         return 0;
 360 }
 361
 362 static int smsdvb_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
 363 {
 364         struct smsdvb_client_t *client;
 365         client = container_of(fe, struct smsdvb_client_t, frontend);
 366
 367         if (client->sms_stat_dvb.ReceptionData.InBandPwr < -95)
 368                 *strength = 0;
 369                 else if (client->sms_stat_dvb.ReceptionData.InBandPwr > -29)
 370                         *strength = 100;
 371                 else
 372                         *strength =
 373                                 (client->sms_stat_dvb.ReceptionData.InBandPwr
 374                                 + 95) * 3 / 2;
 375
 376         led_feedback(client);
 377
 378         return 0;
 379 }
 380
 381 static int smsdvb_read_snr(struct dvb_frontend *fe, u16 *snr)
 382 {
 383         struct smsdvb_client_t *client;
 384         client = container_of(fe, struct smsdvb_client_t, frontend);
 385
 386         *snr = client->sms_stat_dvb.ReceptionData.SNR;
 387
 388         led_feedback(client);
 389
 390         return 0;
 391 }
 392
 393 static int smsdvb_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
 394 {
 395         struct smsdvb_client_t *client;
 396         client = container_of(fe, struct smsdvb_client_t, frontend);
 397
 398         *ucblocks = client->sms_stat_dvb.ReceptionData.ErrorTSPackets;
 399
 400         led_feedback(client);
 401
 402         return 0;
 403 }
 404
 405 static int smsdvb_get_tune_settings(struct dvb_frontend *fe,
 406                                     struct dvb_frontend_tune_settings *tune)
 407 {
 408         sms_debug("");
 409
 410         tune->min_delay_ms = 400;
 411         tune->step_size = 250000;
 412         tune->max_drift = 0;
 413         return 0;
 414 }
 415
 416 static int smsdvb_set_frontend(struct dvb_frontend *fe,
 417                                struct dvb_frontend_parameters *fep)
 418 {
 419         struct smsdvb_client_t *client =
 420                 container_of(fe, struct smsdvb_client_t, frontend);
 421
 422         struct {
 423                 struct SmsMsgHdr_ST     Msg;
 424                 u32             Data[3];
 425         } Msg;
 426
 427         int ret;
 428
 429         client->fe_status = FE_HAS_SIGNAL;
 430         client->event_fe_state = -1;
 431         client->event_unc_state = -1;
 432
 433         Msg.Msg.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
 434         Msg.Msg.msgDstId = HIF_TASK;
 435         Msg.Msg.msgFlags = 0;
 436         Msg.Msg.msgType = MSG_SMS_RF_TUNE_REQ;
 437         Msg.Msg.msgLength = sizeof(Msg);
 438         Msg.Data[0] = fep->frequency;
 439         Msg.Data[2] = 12000000;
 440
 441         sms_debug("freq %d band %d",
 442                   fep->frequency, fep->u.ofdm.bandwidth);
 443
 444         switch (fep->u.ofdm.bandwidth) {
 445         case BANDWIDTH_8_MHZ: Msg.Data[1] = BW_8_MHZ; break;
 446         case BANDWIDTH_7_MHZ: Msg.Data[1] = BW_7_MHZ; break;
 447         case BANDWIDTH_6_MHZ: Msg.Data[1] = BW_6_MHZ; break;
 448         case BANDWIDTH_AUTO: return -EOPNOTSUPP;
 449         default: return -EINVAL;
 450         }
 451         /* Disable LNA, if any. An error is returned if no LNA is present */
 452         ret = sms_board_lna_control(client->coredev, 0);
 453         if (ret == 0) {
 454                 fe_status_t status;
 455
 456                 /* tune with LNA off at first */
 457                 ret = smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg),
 458                                                   &client->tune_done);
 459
 460                 smsdvb_read_status(fe, &status);
 461
 462                 if (status & FE_HAS_LOCK)
 463                         return ret;
 464
 465                 /* previous tune didnt lock - enable LNA and tune again */
 466                 sms_board_lna_control(client->coredev, 1);
 467         }
 468
 469         return smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg),
 470                                            &client->tune_done);
 471 }
 472
 473 static int smsdvb_get_frontend(struct dvb_frontend *fe,
 474                                struct dvb_frontend_parameters *fep)
 475 {
 476         struct smsdvb_client_t *client =
 477                 container_of(fe, struct smsdvb_client_t, frontend);
 478
 479         sms_debug("");
 480
 481         /* todo: */
 482         memcpy(fep, &client->fe_params,
 483                sizeof(struct dvb_frontend_parameters));
 484
 485         return 0;
 486 }
 487
 488 static int smsdvb_init(struct dvb_frontend *fe)
 489 {
 490         struct smsdvb_client_t *client =
 491                 container_of(fe, struct smsdvb_client_t, frontend);
 492
 493         sms_board_power(client->coredev, 1);
 494
 495         sms_board_dvb3_event(client, DVB3_EVENT_INIT);
 496         return 0;
 497 }
 498
 499 static int smsdvb_sleep(struct dvb_frontend *fe)
 500 {
 501         struct smsdvb_client_t *client =
 502                 container_of(fe, struct smsdvb_client_t, frontend);
 503
 504         sms_board_led_feedback(client->coredev, SMS_LED_OFF);
 505         sms_board_power(client->coredev, 0);
 506
 507         sms_board_dvb3_event(client, DVB3_EVENT_SLEEP);
 508
 509         return 0;
 510 }
 511
 512 static void smsdvb_release(struct dvb_frontend *fe)
 513 {
 514         /* do nothing */
 515 }
 516
 517 static struct dvb_frontend_ops smsdvb_fe_ops = {
 518         .info = {
 519                 .name                   = "Siano Mobile Digital MDTV Receiver",
 520                 .type                   = FE_OFDM,
 521                 .frequency_min          = 44250000,
 522                 .frequency_max          = 867250000,
 523                 .frequency_stepsize     = 250000,
 524                 .caps = FE_CAN_INVERSION_AUTO |
 525                         FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
 526                         FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO |
 527                         FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_QAM_64 |
 528                         FE_CAN_QAM_AUTO | FE_CAN_TRANSMISSION_MODE_AUTO |
 529                         FE_CAN_GUARD_INTERVAL_AUTO |
 530                         FE_CAN_RECOVER |
 531                         FE_CAN_HIERARCHY_AUTO,
 532         },
 533
 534         .release = smsdvb_release,
 535
 536         .set_frontend = smsdvb_set_frontend,
 537         .get_frontend = smsdvb_get_frontend,
 538         .get_tune_settings = smsdvb_get_tune_settings,
 539
 540         .read_status = smsdvb_read_status,
 541         .read_ber = smsdvb_read_ber,
 542         .read_signal_strength = smsdvb_read_signal_strength,
 543         .read_snr = smsdvb_read_snr,
 544         .read_ucblocks = smsdvb_read_ucblocks,
 545
 546         .init = smsdvb_init,
 547         .sleep = smsdvb_sleep,
 548 };
 549
 550 static int smsdvb_hotplug(struct smscore_device_t *coredev,
 551                           struct device *device, int arrival)
 552 {
 553         struct smsclient_params_t params;
 554         struct smsdvb_client_t *client;
 555         int rc;
 556
 557         /* device removal handled by onremove callback */
 558         if (!arrival)
 559                 return 0;
 560
 561         if (smscore_get_device_mode(coredev) != DEVICE_MODE_DVBT_BDA) {
 562                 sms_err("SMS Device mode is not set for "
 563                         "DVB operation.");
 564                 return 0;
 565         }
 566
 567         client = kzalloc(sizeof(struct smsdvb_client_t), GFP_KERNEL);
 568         if (!client) {
 569                 sms_err("kmalloc() failed");
 570                 return -ENOMEM;
 571         }
 572
 573         /* register dvb adapter */
 574         rc = dvb_register_adapter(&client->adapter,
 575                                   sms_get_board(
 576                                         smscore_get_board_id(coredev))->name,
 577                                   THIS_MODULE, device, adapter_nr);
 578         if (rc < 0) {
 579                 sms_err("dvb_register_adapter() failed %d", rc);
 580                 goto adapter_error;
 581         }
 582
 583         /* init dvb demux */
 584         client->demux.dmx.capabilities = DMX_TS_FILTERING;
 585         client->demux.filternum = 32; /* todo: nova ??? */
 586         client->demux.feednum = 32;
 587         client->demux.start_feed = smsdvb_start_feed;
 588         client->demux.stop_feed = smsdvb_stop_feed;
 589
 590         rc = dvb_dmx_init(&client->demux);
 591         if (rc < 0) {
 592                 sms_err("dvb_dmx_init failed %d", rc);
 593                 goto dvbdmx_error;
 594         }
 595
 596         /* init dmxdev */
 597         client->dmxdev.filternum = 32;
 598         client->dmxdev.demux = &client->demux.dmx;
 599         client->dmxdev.capabilities = 0;
 600
 601         rc = dvb_dmxdev_init(&client->dmxdev, &client->adapter);
 602         if (rc < 0) {
 603                 sms_err("dvb_dmxdev_init failed %d", rc);
 604                 goto dmxdev_error;
 605         }
 606
 607         /* init and register frontend */
 608         memcpy(&client->frontend.ops, &smsdvb_fe_ops,
 609                sizeof(struct dvb_frontend_ops));
 610
 611         rc = dvb_register_frontend(&client->adapter, &client->frontend);
 612         if (rc < 0) {
 613                 sms_err("frontend registration failed %d", rc);
 614                 goto frontend_error;
 615         }
 616
 617         params.initial_id = 1;
 618         params.data_type = MSG_SMS_DVBT_BDA_DATA;
 619         params.onresponse_handler = smsdvb_onresponse;
 620         params.onremove_handler = smsdvb_onremove;
 621         params.context = client;
 622
 623         rc = smscore_register_client(coredev, &params, &client->smsclient);
 624         if (rc < 0) {
 625                 sms_err("smscore_register_client() failed %d", rc);
 626                 goto client_error;
 627         }
 628
 629         client->coredev = coredev;
 630
 631         init_completion(&client->tune_done);
 632
 633         kmutex_lock(&g_smsdvb_clientslock);
 634
 635         list_add(&client->entry, &g_smsdvb_clients);
 636
 637         kmutex_unlock(&g_smsdvb_clientslock);
 638
 639         client->event_fe_state = -1;
 640         client->event_unc_state = -1;
 641         sms_board_dvb3_event(client, DVB3_EVENT_HOTPLUG);
 642
 643         sms_info("success");
 644         sms_board_setup(coredev);
 645
 646         return 0;
 647
 648 client_error:
 649         dvb_unregister_frontend(&client->frontend);
 650
 651 frontend_error:
 652         dvb_dmxdev_release(&client->dmxdev);
 653
 654 dmxdev_error:
 655         dvb_dmx_release(&client->demux);
 656
 657 dvbdmx_error:
 658         dvb_unregister_adapter(&client->adapter);
 659
 660 adapter_error:
 661         kfree(client);
 662         return rc;
 663 }
 664
 665 int smsdvb_module_init(void)
 666 {
 667         int rc;
 668
 669         INIT_LIST_HEAD(&g_smsdvb_clients);
 670         kmutex_init(&g_smsdvb_clientslock);
 671
 672         rc = smscore_register_hotplug(smsdvb_hotplug);
 673
 674         sms_debug("");
 675
 676         return rc;
 677 }
 678
 679 void smsdvb_module_exit(void)
 680 {
 681         smscore_unregister_hotplug(smsdvb_hotplug);
 682
 683         kmutex_lock(&g_smsdvb_clientslock);
 684
 685         while (!list_empty(&g_smsdvb_clients))
 686                smsdvb_unregister_client(
 687                         (struct smsdvb_client_t *) g_smsdvb_clients.next);
 688
 689         kmutex_unlock(&g_smsdvb_clientslock);
 690 }
 691
 692 module_init(smsdvb_module_init);
 693 module_exit(smsdvb_module_exit);
 694
 695 MODULE_DESCRIPTION("SMS DVB subsystem adaptation module");
 696 MODULE_AUTHOR("Siano Mobile Silicon, Inc. (uris@siano-ms.com)");
 697 MODULE_LICENSE("GPL");