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         case MSG_SMS_ISDBT_TUNE_RES:
 138                 complete(&client->tune_done);
 139                 break;
 140
 141         case MSG_SMS_SIGNAL_DETECTED_IND:
 142                 sms_info("MSG_SMS_SIGNAL_DETECTED_IND");
 143                 client->sms_stat_dvb.TransmissionData.IsDemodLocked = true;
 144                 is_status_update = true;
 145                 break;
 146
 147         case MSG_SMS_NO_SIGNAL_IND:
 148                 sms_info("MSG_SMS_NO_SIGNAL_IND");
 149                 client->sms_stat_dvb.TransmissionData.IsDemodLocked = false;
 150                 is_status_update = true;
 151                 break;
 152
 153         case MSG_SMS_TRANSMISSION_IND: {
 154                 sms_info("MSG_SMS_TRANSMISSION_IND");
 155
 156                 pMsgData++;
 157                 memcpy(&client->sms_stat_dvb.TransmissionData, pMsgData,
 158                                 sizeof(struct TRANSMISSION_STATISTICS_S));
 159
 160                 /* Mo need to correct guard interval
 161                  * (as opposed to old statistics message).
 162                  */
 163                 CORRECT_STAT_BANDWIDTH(client->sms_stat_dvb.TransmissionData);
 164                 CORRECT_STAT_TRANSMISSON_MODE(
 165                                 client->sms_stat_dvb.TransmissionData);
 166                 is_status_update = true;
 167                 break;
 168         }
 169         case MSG_SMS_HO_PER_SLICES_IND: {
 170                 struct RECEPTION_STATISTICS_S *pReceptionData =
 171                                 &client->sms_stat_dvb.ReceptionData;
 172                 struct SRVM_SIGNAL_STATUS_S SignalStatusData;
 173
 174                 /*sms_info("MSG_SMS_HO_PER_SLICES_IND");*/
 175                 pMsgData++;
 176                 SignalStatusData.result = pMsgData[0];
 177                 SignalStatusData.snr = pMsgData[1];
 178                 SignalStatusData.inBandPower = (s32) pMsgData[2];
 179                 SignalStatusData.tsPackets = pMsgData[3];
 180                 SignalStatusData.etsPackets = pMsgData[4];
 181                 SignalStatusData.constellation = pMsgData[5];
 182                 SignalStatusData.hpCode = pMsgData[6];
 183                 SignalStatusData.tpsSrvIndLP = pMsgData[7] & 0x03;
 184                 SignalStatusData.tpsSrvIndHP = pMsgData[8] & 0x03;
 185                 SignalStatusData.cellId = pMsgData[9] & 0xFFFF;
 186                 SignalStatusData.reason = pMsgData[10];
 187                 SignalStatusData.requestId = pMsgData[11];
 188                 pReceptionData->IsRfLocked = pMsgData[16];
 189                 pReceptionData->IsDemodLocked = pMsgData[17];
 190                 pReceptionData->ModemState = pMsgData[12];
 191                 pReceptionData->SNR = pMsgData[1];
 192                 pReceptionData->BER = pMsgData[13];
 193                 pReceptionData->RSSI = pMsgData[14];
 194                 CORRECT_STAT_RSSI(client->sms_stat_dvb.ReceptionData);
 195
 196                 pReceptionData->InBandPwr = (s32) pMsgData[2];
 197                 pReceptionData->CarrierOffset = (s32) pMsgData[15];
 198                 pReceptionData->TotalTSPackets = pMsgData[3];
 199                 pReceptionData->ErrorTSPackets = pMsgData[4];
 200
 201                 /* TS PER */
 202                 if ((SignalStatusData.tsPackets + SignalStatusData.etsPackets)
 203                                 > 0) {
 204                         pReceptionData->TS_PER = (SignalStatusData.etsPackets
 205                                         * 100) / (SignalStatusData.tsPackets
 206                                         + SignalStatusData.etsPackets);
 207                 } else {
 208                         pReceptionData->TS_PER = 0;
 209                 }
 210
 211                 pReceptionData->BERBitCount = pMsgData[18];
 212                 pReceptionData->BERErrorCount = pMsgData[19];
 213
 214                 pReceptionData->MRC_SNR = pMsgData[20];
 215                 pReceptionData->MRC_InBandPwr = pMsgData[21];
 216                 pReceptionData->MRC_RSSI = pMsgData[22];
 217
 218                 is_status_update = true;
 219                 break;
 220         }
 221         }
 222         smscore_putbuffer(client->coredev, cb);
 223
 224         if (is_status_update) {
 225                 if (client->sms_stat_dvb.ReceptionData.IsDemodLocked) {
 226                         client->fe_status = FE_HAS_SIGNAL | FE_HAS_CARRIER
 227                                 | FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK;
 228                         sms_board_dvb3_event(client, DVB3_EVENT_FE_LOCK);
 229                         if (client->sms_stat_dvb.ReceptionData.ErrorTSPackets
 230                                         == 0)
 231                                 sms_board_dvb3_event(client, DVB3_EVENT_UNC_OK);
 232                         else
 233                                 sms_board_dvb3_event(client,
 234                                                 DVB3_EVENT_UNC_ERR);
 235
 236                 } else {
 237                         /*client->fe_status =
 238                                 (phdr->msgType == MSG_SMS_NO_SIGNAL_IND) ?
 239                                 0 : FE_HAS_SIGNAL;*/
 240                         client->fe_status = 0;
 241                         sms_board_dvb3_event(client, DVB3_EVENT_FE_UNLOCK);
 242                 }
 243         }
 244
 245         return 0;
 246 }
 247
 248 static void smsdvb_unregister_client(struct smsdvb_client_t *client)
 249 {
 250         /* must be called under clientslock */
 251
 252         list_del(&client->entry);
 253
 254         smscore_unregister_client(client->smsclient);
 255         dvb_unregister_frontend(&client->frontend);
 256         dvb_dmxdev_release(&client->dmxdev);
 257         dvb_dmx_release(&client->demux);
 258         dvb_unregister_adapter(&client->adapter);
 259         kfree(client);
 260 }
 261
 262 static void smsdvb_onremove(void *context)
 263 {
 264         kmutex_lock(&g_smsdvb_clientslock);
 265
 266         smsdvb_unregister_client((struct smsdvb_client_t *) context);
 267
 268         kmutex_unlock(&g_smsdvb_clientslock);
 269 }
 270
 271 static int smsdvb_start_feed(struct dvb_demux_feed *feed)
 272 {
 273         struct smsdvb_client_t *client =
 274                 container_of(feed->demux, struct smsdvb_client_t, demux);
 275         struct SmsMsgData_ST PidMsg;
 276
 277         sms_debug("add pid %d(%x)",
 278                   feed->pid, feed->pid);
 279
 280         PidMsg.xMsgHeader.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
 281         PidMsg.xMsgHeader.msgDstId = HIF_TASK;
 282         PidMsg.xMsgHeader.msgFlags = 0;
 283         PidMsg.xMsgHeader.msgType  = MSG_SMS_ADD_PID_FILTER_REQ;
 284         PidMsg.xMsgHeader.msgLength = sizeof(PidMsg);
 285         PidMsg.msgData[0] = feed->pid;
 286
 287         smsendian_handle_tx_message((struct SmsMsgHdr_ST *)&PidMsg);
 288         return smsclient_sendrequest(client->smsclient,
 289                                      &PidMsg, sizeof(PidMsg));
 290 }
 291
 292 static int smsdvb_stop_feed(struct dvb_demux_feed *feed)
 293 {
 294         struct smsdvb_client_t *client =
 295                 container_of(feed->demux, struct smsdvb_client_t, demux);
 296         struct SmsMsgData_ST PidMsg;
 297
 298         sms_debug("remove pid %d(%x)",
 299                   feed->pid, feed->pid);
 300
 301         PidMsg.xMsgHeader.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
 302         PidMsg.xMsgHeader.msgDstId = HIF_TASK;
 303         PidMsg.xMsgHeader.msgFlags = 0;
 304         PidMsg.xMsgHeader.msgType  = MSG_SMS_REMOVE_PID_FILTER_REQ;
 305         PidMsg.xMsgHeader.msgLength = sizeof(PidMsg);
 306         PidMsg.msgData[0] = feed->pid;
 307
 308         smsendian_handle_tx_message((struct SmsMsgHdr_ST *)&PidMsg);
 309         return smsclient_sendrequest(client->smsclient,
 310                                      &PidMsg, sizeof(PidMsg));
 311 }
 312
 313 static int smsdvb_sendrequest_and_wait(struct smsdvb_client_t *client,
 314                                         void *buffer, size_t size,
 315                                         struct completion *completion)
 316 {
 317         int rc;
 318
 319         smsendian_handle_tx_message((struct SmsMsgHdr_ST *)buffer);
 320         rc = smsclient_sendrequest(client->smsclient, buffer, size);
 321         if (rc < 0)
 322                 return rc;
 323
 324         return wait_for_completion_timeout(completion,
 325                                            msecs_to_jiffies(2000)) ?
 326                                                 0 : -ETIME;
 327 }
 328
 329 static inline int led_feedback(struct smsdvb_client_t *client)
 330 {
 331         if (client->fe_status & FE_HAS_LOCK)
 332                 return sms_board_led_feedback(client->coredev,
 333                         (client->sms_stat_dvb.ReceptionData.BER
 334                         == 0) ? SMS_LED_HI : SMS_LED_LO);
 335         else
 336                 return sms_board_led_feedback(client->coredev, SMS_LED_OFF);
 337 }
 338
 339 static int smsdvb_read_status(struct dvb_frontend *fe, fe_status_t *stat)
 340 {
 341         struct smsdvb_client_t *client;
 342         client = container_of(fe, struct smsdvb_client_t, frontend);
 343
 344         *stat = client->fe_status;
 345
 346         led_feedback(client);
 347
 348         return 0;
 349 }
 350
 351 static int smsdvb_read_ber(struct dvb_frontend *fe, u32 *ber)
 352 {
 353         struct smsdvb_client_t *client;
 354         client = container_of(fe, struct smsdvb_client_t, frontend);
 355
 356         *ber = client->sms_stat_dvb.ReceptionData.BER;
 357
 358         led_feedback(client);
 359
 360         return 0;
 361 }
 362
 363 static int smsdvb_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
 364 {
 365         struct smsdvb_client_t *client;
 366         client = container_of(fe, struct smsdvb_client_t, frontend);
 367
 368         if (client->sms_stat_dvb.ReceptionData.InBandPwr < -95)
 369                 *strength = 0;
 370                 else if (client->sms_stat_dvb.ReceptionData.InBandPwr > -29)
 371                         *strength = 100;
 372                 else
 373                         *strength =
 374                                 (client->sms_stat_dvb.ReceptionData.InBandPwr
 375                                 + 95) * 3 / 2;
 376
 377         led_feedback(client);
 378
 379         return 0;
 380 }
 381
 382 static int smsdvb_read_snr(struct dvb_frontend *fe, u16 *snr)
 383 {
 384         struct smsdvb_client_t *client;
 385         client = container_of(fe, struct smsdvb_client_t, frontend);
 386
 387         *snr = client->sms_stat_dvb.ReceptionData.SNR;
 388
 389         led_feedback(client);
 390
 391         return 0;
 392 }
 393
 394 static int smsdvb_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
 395 {
 396         struct smsdvb_client_t *client;
 397         client = container_of(fe, struct smsdvb_client_t, frontend);
 398
 399         *ucblocks = client->sms_stat_dvb.ReceptionData.ErrorTSPackets;
 400
 401         led_feedback(client);
 402
 403         return 0;
 404 }
 405
 406 static int smsdvb_get_tune_settings(struct dvb_frontend *fe,
 407                                     struct dvb_frontend_tune_settings *tune)
 408 {
 409         sms_debug("");
 410
 411         tune->min_delay_ms = 400;
 412         tune->step_size = 250000;
 413         tune->max_drift = 0;
 414         return 0;
 415 }
 416
 417 static int smsdvb_dvbt_set_frontend(struct dvb_frontend *fe,
 418                                     struct dvb_frontend_parameters *fep)
 419 {
 420         struct smsdvb_client_t *client =
 421                 container_of(fe, struct smsdvb_client_t, frontend);
 422
 423         struct {
 424                 struct SmsMsgHdr_ST     Msg;
 425                 u32             Data[3];
 426         } Msg;
 427
 428         int ret;
 429
 430         client->fe_status = FE_HAS_SIGNAL;
 431         client->event_fe_state = -1;
 432         client->event_unc_state = -1;
 433
 434         Msg.Msg.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
 435         Msg.Msg.msgDstId = HIF_TASK;
 436         Msg.Msg.msgFlags = 0;
 437         Msg.Msg.msgType = MSG_SMS_RF_TUNE_REQ;
 438         Msg.Msg.msgLength = sizeof(Msg);
 439         Msg.Data[0] = fep->frequency;
 440         Msg.Data[2] = 12000000;
 441
 442         sms_debug("freq %d band %d",
 443                   fep->frequency, fep->u.ofdm.bandwidth);
 444
 445         switch (fep->u.ofdm.bandwidth) {
 446         case BANDWIDTH_8_MHZ: Msg.Data[1] = BW_8_MHZ; break;
 447         case BANDWIDTH_7_MHZ: Msg.Data[1] = BW_7_MHZ; break;
 448         case BANDWIDTH_6_MHZ: Msg.Data[1] = BW_6_MHZ; break;
 449         case BANDWIDTH_AUTO: return -EOPNOTSUPP;
 450         default: return -EINVAL;
 451         }
 452         /* Disable LNA, if any. An error is returned if no LNA is present */
 453         ret = sms_board_lna_control(client->coredev, 0);
 454         if (ret == 0) {
 455                 fe_status_t status;
 456
 457                 /* tune with LNA off at first */
 458                 ret = smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg),
 459                                                   &client->tune_done);
 460
 461                 smsdvb_read_status(fe, &status);
 462
 463                 if (status & FE_HAS_LOCK)
 464                         return ret;
 465
 466                 /* previous tune didnt lock - enable LNA and tune again */
 467                 sms_board_lna_control(client->coredev, 1);
 468         }
 469
 470         return smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg),
 471                                            &client->tune_done);
 472 }
 473
 474 static int smsdvb_isdbt_set_frontend(struct dvb_frontend *fe,
 475                                      struct dvb_frontend_parameters *fep,
 476                                      u32 SegmentNumber)
 477 {
 478         struct smsdvb_client_t *client =
 479                 container_of(fe, struct smsdvb_client_t, frontend);
 480
 481         struct {
 482                 struct SmsMsgHdr_ST     Msg;
 483                 u32             Data[4];
 484         } Msg;
 485
 486         Msg.Msg.msgSrcId  = DVBT_BDA_CONTROL_MSG_ID;
 487         Msg.Msg.msgDstId  = HIF_TASK;
 488         Msg.Msg.msgFlags  = 0;
 489         Msg.Msg.msgType   = MSG_SMS_ISDBT_TUNE_REQ;
 490         Msg.Msg.msgLength = sizeof(Msg);
 491         Msg.Data[0] = fep->frequency;
 492         Msg.Data[2] = 12000000;
 493         Msg.Data[3] = SegmentNumber;
 494
 495         sms_debug("freq %d band %d seg %d\n",
 496                   fep->frequency, fep->u.ofdm.bandwidth, SegmentNumber);
 497
 498         switch (fep->u.ofdm.bandwidth) {
 499         case BANDWIDTH_8_MHZ:
 500                 Msg.Data[1] = BW_ISDBT_3SEG;
 501                 break;
 502         case BANDWIDTH_7_MHZ:
 503                 Msg.Data[1] = BW_ISDBT_3SEG;
 504                 break;
 505         case BANDWIDTH_6_MHZ:
 506                 Msg.Data[1] = BW_ISDBT_1SEG;
 507                 break;
 508         case BANDWIDTH_AUTO:
 509                 return -EOPNOTSUPP;
 510         default:
 511                 return -EINVAL;
 512         }
 513
 514         return smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg),
 515                                            &client->tune_done);
 516 }
 517
 518 static int smsdvb_set_frontend(struct dvb_frontend *fe,
 519                                struct dvb_frontend_parameters *fep)
 520 {
 521         struct smsdvb_client_t *client =
 522                 container_of(fe, struct smsdvb_client_t, frontend);
 523         struct smscore_device_t *coredev = client->coredev;
 524
 525         switch (smscore_get_device_mode(coredev)) {
 526         case DEVICE_MODE_DVBT:
 527         case DEVICE_MODE_DVBT_BDA:
 528                 return smsdvb_dvbt_set_frontend(fe, fep);
 529         case DEVICE_MODE_ISDBT:
 530         case DEVICE_MODE_ISDBT_BDA:
 531         {
 532                 u32 segmentnum;
 533                 /* XXX: hack - use 4 lower bits in frequency for segment num */
 534                 segmentnum = fep->frequency & 0x0000000f;
 535                 fep->frequency &= ~0x0000000f;
 536                 return smsdvb_isdbt_set_frontend(fe, fep, segmentnum);
 537         }
 538         default:
 539                 return -EINVAL;
 540         }
 541 }
 542
 543 static int smsdvb_get_frontend(struct dvb_frontend *fe,
 544                                struct dvb_frontend_parameters *fep)
 545 {
 546         struct smsdvb_client_t *client =
 547                 container_of(fe, struct smsdvb_client_t, frontend);
 548
 549         sms_debug("");
 550
 551         /* todo: */
 552         memcpy(fep, &client->fe_params,
 553                sizeof(struct dvb_frontend_parameters));
 554
 555         return 0;
 556 }
 557
 558 static int smsdvb_init(struct dvb_frontend *fe)
 559 {
 560         struct smsdvb_client_t *client =
 561                 container_of(fe, struct smsdvb_client_t, frontend);
 562
 563         sms_board_power(client->coredev, 1);
 564
 565         sms_board_dvb3_event(client, DVB3_EVENT_INIT);
 566         return 0;
 567 }
 568
 569 static int smsdvb_sleep(struct dvb_frontend *fe)
 570 {
 571         struct smsdvb_client_t *client =
 572                 container_of(fe, struct smsdvb_client_t, frontend);
 573
 574         sms_board_led_feedback(client->coredev, SMS_LED_OFF);
 575         sms_board_power(client->coredev, 0);
 576
 577         sms_board_dvb3_event(client, DVB3_EVENT_SLEEP);
 578
 579         return 0;
 580 }
 581
 582 static void smsdvb_release(struct dvb_frontend *fe)
 583 {
 584         /* do nothing */
 585 }
 586
 587 static struct dvb_frontend_ops smsdvb_fe_ops = {
 588         .info = {
 589                 .name                   = "Siano Mobile Digital MDTV Receiver",
 590                 .type                   = FE_OFDM,
 591                 .frequency_min          = 44250000,
 592                 .frequency_max          = 867250000,
 593                 .frequency_stepsize     = 250000,
 594                 .caps = FE_CAN_INVERSION_AUTO |
 595                         FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
 596                         FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO |
 597                         FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_QAM_64 |
 598                         FE_CAN_QAM_AUTO | FE_CAN_TRANSMISSION_MODE_AUTO |
 599                         FE_CAN_GUARD_INTERVAL_AUTO |
 600                         FE_CAN_RECOVER |
 601                         FE_CAN_HIERARCHY_AUTO,
 602         },
 603
 604         .release = smsdvb_release,
 605
 606         .set_frontend = smsdvb_set_frontend,
 607         .get_frontend = smsdvb_get_frontend,
 608         .get_tune_settings = smsdvb_get_tune_settings,
 609
 610         .read_status = smsdvb_read_status,
 611         .read_ber = smsdvb_read_ber,
 612         .read_signal_strength = smsdvb_read_signal_strength,
 613         .read_snr = smsdvb_read_snr,
 614         .read_ucblocks = smsdvb_read_ucblocks,
 615
 616         .init = smsdvb_init,
 617         .sleep = smsdvb_sleep,
 618 };
 619
 620 static int smsdvb_hotplug(struct smscore_device_t *coredev,
 621                           struct device *device, int arrival)
 622 {
 623         struct smsclient_params_t params;
 624         struct smsdvb_client_t *client;
 625         int rc;
 626
 627         /* device removal handled by onremove callback */
 628         if (!arrival)
 629                 return 0;
 630         client = kzalloc(sizeof(struct smsdvb_client_t), GFP_KERNEL);
 631         if (!client) {
 632                 sms_err("kmalloc() failed");
 633                 return -ENOMEM;
 634         }
 635
 636         /* register dvb adapter */
 637         rc = dvb_register_adapter(&client->adapter,
 638                                   sms_get_board(
 639                                         smscore_get_board_id(coredev))->name,
 640                                   THIS_MODULE, device, adapter_nr);
 641         if (rc < 0) {
 642                 sms_err("dvb_register_adapter() failed %d", rc);
 643                 goto adapter_error;
 644         }
 645
 646         /* init dvb demux */
 647         client->demux.dmx.capabilities = DMX_TS_FILTERING;
 648         client->demux.filternum = 32; /* todo: nova ??? */
 649         client->demux.feednum = 32;
 650         client->demux.start_feed = smsdvb_start_feed;
 651         client->demux.stop_feed = smsdvb_stop_feed;
 652
 653         rc = dvb_dmx_init(&client->demux);
 654         if (rc < 0) {
 655                 sms_err("dvb_dmx_init failed %d", rc);
 656                 goto dvbdmx_error;
 657         }
 658
 659         /* init dmxdev */
 660         client->dmxdev.filternum = 32;
 661         client->dmxdev.demux = &client->demux.dmx;
 662         client->dmxdev.capabilities = 0;
 663
 664         rc = dvb_dmxdev_init(&client->dmxdev, &client->adapter);
 665         if (rc < 0) {
 666                 sms_err("dvb_dmxdev_init failed %d", rc);
 667                 goto dmxdev_error;
 668         }
 669
 670         /* init and register frontend */
 671         memcpy(&client->frontend.ops, &smsdvb_fe_ops,
 672                sizeof(struct dvb_frontend_ops));
 673
 674         rc = dvb_register_frontend(&client->adapter, &client->frontend);
 675         if (rc < 0) {
 676                 sms_err("frontend registration failed %d", rc);
 677                 goto frontend_error;
 678         }
 679
 680         params.initial_id = 1;
 681         params.data_type = MSG_SMS_DVBT_BDA_DATA;
 682         params.onresponse_handler = smsdvb_onresponse;
 683         params.onremove_handler = smsdvb_onremove;
 684         params.context = client;
 685
 686         rc = smscore_register_client(coredev, &params, &client->smsclient);
 687         if (rc < 0) {
 688                 sms_err("smscore_register_client() failed %d", rc);
 689                 goto client_error;
 690         }
 691
 692         client->coredev = coredev;
 693
 694         init_completion(&client->tune_done);
 695
 696         kmutex_lock(&g_smsdvb_clientslock);
 697
 698         list_add(&client->entry, &g_smsdvb_clients);
 699
 700         kmutex_unlock(&g_smsdvb_clientslock);
 701
 702         client->event_fe_state = -1;
 703         client->event_unc_state = -1;
 704         sms_board_dvb3_event(client, DVB3_EVENT_HOTPLUG);
 705
 706         sms_info("success");
 707         sms_board_setup(coredev);
 708
 709         return 0;
 710
 711 client_error:
 712         dvb_unregister_frontend(&client->frontend);
 713
 714 frontend_error:
 715         dvb_dmxdev_release(&client->dmxdev);
 716
 717 dmxdev_error:
 718         dvb_dmx_release(&client->demux);
 719
 720 dvbdmx_error:
 721         dvb_unregister_adapter(&client->adapter);
 722
 723 adapter_error:
 724         kfree(client);
 725         return rc;
 726 }
 727
 728 static int __init smsdvb_module_init(void)
 729 {
 730         int rc;
 731
 732         INIT_LIST_HEAD(&g_smsdvb_clients);
 733         kmutex_init(&g_smsdvb_clientslock);
 734
 735         rc = smscore_register_hotplug(smsdvb_hotplug);
 736
 737         sms_debug("");
 738
 739         return rc;
 740 }
 741
 742 static void __exit smsdvb_module_exit(void)
 743 {
 744         smscore_unregister_hotplug(smsdvb_hotplug);
 745
 746         kmutex_lock(&g_smsdvb_clientslock);
 747
 748         while (!list_empty(&g_smsdvb_clients))
 749                smsdvb_unregister_client(
 750                         (struct smsdvb_client_t *) g_smsdvb_clients.next);
 751
 752         kmutex_unlock(&g_smsdvb_clientslock);
 753 }
 754
 755 module_init(smsdvb_module_init);
 756 module_exit(smsdvb_module_exit);
 757
 758 MODULE_DESCRIPTION("SMS DVB subsystem adaptation module");
 759 MODULE_AUTHOR("Siano Mobile Silicon, Inc. (uris@siano-ms.com)");
 760 MODULE_LICENSE("GPL");