Merge branch '3.3-urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target...
[~shefty/rdma-dev.git] / 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/slab.h>
24 #include <linux/init.h>
25
26 #include "dmxdev.h"
27 #include "dvbdev.h"
28 #include "dvb_demux.h"
29 #include "dvb_frontend.h"
30
31 #include "smscoreapi.h"
32 #include "smsendian.h"
33 #include "sms-cards.h"
34
35 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
36
37 struct smsdvb_client_t {
38         struct list_head entry;
39
40         struct smscore_device_t *coredev;
41         struct smscore_client_t *smsclient;
42
43         struct dvb_adapter      adapter;
44         struct dvb_demux        demux;
45         struct dmxdev           dmxdev;
46         struct dvb_frontend     frontend;
47
48         fe_status_t             fe_status;
49
50         struct completion       tune_done;
51
52         /* todo: save freq/band instead whole struct */
53         struct dtv_frontend_properties fe_params;
54
55         struct SMSHOSTLIB_STATISTICS_DVB_S sms_stat_dvb;
56         int event_fe_state;
57         int event_unc_state;
58 };
59
60 static struct list_head g_smsdvb_clients;
61 static struct mutex g_smsdvb_clientslock;
62
63 static int sms_dbg;
64 module_param_named(debug, sms_dbg, int, 0644);
65 MODULE_PARM_DESC(debug, "set debug level (info=1, adv=2 (or-able))");
66
67 /* Events that may come from DVB v3 adapter */
68 static void sms_board_dvb3_event(struct smsdvb_client_t *client,
69                 enum SMS_DVB3_EVENTS event) {
70
71         struct smscore_device_t *coredev = client->coredev;
72         switch (event) {
73         case DVB3_EVENT_INIT:
74                 sms_debug("DVB3_EVENT_INIT");
75                 sms_board_event(coredev, BOARD_EVENT_BIND);
76                 break;
77         case DVB3_EVENT_SLEEP:
78                 sms_debug("DVB3_EVENT_SLEEP");
79                 sms_board_event(coredev, BOARD_EVENT_POWER_SUSPEND);
80                 break;
81         case DVB3_EVENT_HOTPLUG:
82                 sms_debug("DVB3_EVENT_HOTPLUG");
83                 sms_board_event(coredev, BOARD_EVENT_POWER_INIT);
84                 break;
85         case DVB3_EVENT_FE_LOCK:
86                 if (client->event_fe_state != DVB3_EVENT_FE_LOCK) {
87                         client->event_fe_state = DVB3_EVENT_FE_LOCK;
88                         sms_debug("DVB3_EVENT_FE_LOCK");
89                         sms_board_event(coredev, BOARD_EVENT_FE_LOCK);
90                 }
91                 break;
92         case DVB3_EVENT_FE_UNLOCK:
93                 if (client->event_fe_state != DVB3_EVENT_FE_UNLOCK) {
94                         client->event_fe_state = DVB3_EVENT_FE_UNLOCK;
95                         sms_debug("DVB3_EVENT_FE_UNLOCK");
96                         sms_board_event(coredev, BOARD_EVENT_FE_UNLOCK);
97                 }
98                 break;
99         case DVB3_EVENT_UNC_OK:
100                 if (client->event_unc_state != DVB3_EVENT_UNC_OK) {
101                         client->event_unc_state = DVB3_EVENT_UNC_OK;
102                         sms_debug("DVB3_EVENT_UNC_OK");
103                         sms_board_event(coredev, BOARD_EVENT_MULTIPLEX_OK);
104                 }
105                 break;
106         case DVB3_EVENT_UNC_ERR:
107                 if (client->event_unc_state != DVB3_EVENT_UNC_ERR) {
108                         client->event_unc_state = DVB3_EVENT_UNC_ERR;
109                         sms_debug("DVB3_EVENT_UNC_ERR");
110                         sms_board_event(coredev, BOARD_EVENT_MULTIPLEX_ERRORS);
111                 }
112                 break;
113
114         default:
115                 sms_err("Unknown dvb3 api event");
116                 break;
117         }
118 }
119
120
121 static void smsdvb_update_dvb_stats(struct RECEPTION_STATISTICS_S *pReceptionData,
122                                    struct SMSHOSTLIB_STATISTICS_ST *p)
123 {
124         if (sms_dbg & 2) {
125                 printk(KERN_DEBUG "Reserved = %d", p->Reserved);
126                 printk(KERN_DEBUG "IsRfLocked = %d", p->IsRfLocked);
127                 printk(KERN_DEBUG "IsDemodLocked = %d", p->IsDemodLocked);
128                 printk(KERN_DEBUG "IsExternalLNAOn = %d", p->IsExternalLNAOn);
129                 printk(KERN_DEBUG "SNR = %d", p->SNR);
130                 printk(KERN_DEBUG "BER = %d", p->BER);
131                 printk(KERN_DEBUG "FIB_CRC = %d", p->FIB_CRC);
132                 printk(KERN_DEBUG "TS_PER = %d", p->TS_PER);
133                 printk(KERN_DEBUG "MFER = %d", p->MFER);
134                 printk(KERN_DEBUG "RSSI = %d", p->RSSI);
135                 printk(KERN_DEBUG "InBandPwr = %d", p->InBandPwr);
136                 printk(KERN_DEBUG "CarrierOffset = %d", p->CarrierOffset);
137                 printk(KERN_DEBUG "Frequency = %d", p->Frequency);
138                 printk(KERN_DEBUG "Bandwidth = %d", p->Bandwidth);
139                 printk(KERN_DEBUG "TransmissionMode = %d", p->TransmissionMode);
140                 printk(KERN_DEBUG "ModemState = %d", p->ModemState);
141                 printk(KERN_DEBUG "GuardInterval = %d", p->GuardInterval);
142                 printk(KERN_DEBUG "CodeRate = %d", p->CodeRate);
143                 printk(KERN_DEBUG "LPCodeRate = %d", p->LPCodeRate);
144                 printk(KERN_DEBUG "Hierarchy = %d", p->Hierarchy);
145                 printk(KERN_DEBUG "Constellation = %d", p->Constellation);
146                 printk(KERN_DEBUG "BurstSize = %d", p->BurstSize);
147                 printk(KERN_DEBUG "BurstDuration = %d", p->BurstDuration);
148                 printk(KERN_DEBUG "BurstCycleTime = %d", p->BurstCycleTime);
149                 printk(KERN_DEBUG "CalculatedBurstCycleTime = %d", p->CalculatedBurstCycleTime);
150                 printk(KERN_DEBUG "NumOfRows = %d", p->NumOfRows);
151                 printk(KERN_DEBUG "NumOfPaddCols = %d", p->NumOfPaddCols);
152                 printk(KERN_DEBUG "NumOfPunctCols = %d", p->NumOfPunctCols);
153                 printk(KERN_DEBUG "ErrorTSPackets = %d", p->ErrorTSPackets);
154                 printk(KERN_DEBUG "TotalTSPackets = %d", p->TotalTSPackets);
155                 printk(KERN_DEBUG "NumOfValidMpeTlbs = %d", p->NumOfValidMpeTlbs);
156                 printk(KERN_DEBUG "NumOfInvalidMpeTlbs = %d", p->NumOfInvalidMpeTlbs);
157                 printk(KERN_DEBUG "NumOfCorrectedMpeTlbs = %d", p->NumOfCorrectedMpeTlbs);
158                 printk(KERN_DEBUG "BERErrorCount = %d", p->BERErrorCount);
159                 printk(KERN_DEBUG "BERBitCount = %d", p->BERBitCount);
160                 printk(KERN_DEBUG "SmsToHostTxErrors = %d", p->SmsToHostTxErrors);
161                 printk(KERN_DEBUG "PreBER = %d", p->PreBER);
162                 printk(KERN_DEBUG "CellId = %d", p->CellId);
163                 printk(KERN_DEBUG "DvbhSrvIndHP = %d", p->DvbhSrvIndHP);
164                 printk(KERN_DEBUG "DvbhSrvIndLP = %d", p->DvbhSrvIndLP);
165                 printk(KERN_DEBUG "NumMPEReceived = %d", p->NumMPEReceived);
166         }
167
168         pReceptionData->IsDemodLocked = p->IsDemodLocked;
169
170         pReceptionData->SNR = p->SNR;
171         pReceptionData->BER = p->BER;
172         pReceptionData->BERErrorCount = p->BERErrorCount;
173         pReceptionData->InBandPwr = p->InBandPwr;
174         pReceptionData->ErrorTSPackets = p->ErrorTSPackets;
175 };
176
177
178 static void smsdvb_update_isdbt_stats(struct RECEPTION_STATISTICS_S *pReceptionData,
179                                     struct SMSHOSTLIB_STATISTICS_ISDBT_ST *p)
180 {
181         int i;
182
183         if (sms_dbg & 2) {
184                 printk(KERN_DEBUG "IsRfLocked = %d", p->IsRfLocked);
185                 printk(KERN_DEBUG "IsDemodLocked = %d", p->IsDemodLocked);
186                 printk(KERN_DEBUG "IsExternalLNAOn = %d", p->IsExternalLNAOn);
187                 printk(KERN_DEBUG "SNR = %d", p->SNR);
188                 printk(KERN_DEBUG "RSSI = %d", p->RSSI);
189                 printk(KERN_DEBUG "InBandPwr = %d", p->InBandPwr);
190                 printk(KERN_DEBUG "CarrierOffset = %d", p->CarrierOffset);
191                 printk(KERN_DEBUG "Frequency = %d", p->Frequency);
192                 printk(KERN_DEBUG "Bandwidth = %d", p->Bandwidth);
193                 printk(KERN_DEBUG "TransmissionMode = %d", p->TransmissionMode);
194                 printk(KERN_DEBUG "ModemState = %d", p->ModemState);
195                 printk(KERN_DEBUG "GuardInterval = %d", p->GuardInterval);
196                 printk(KERN_DEBUG "SystemType = %d", p->SystemType);
197                 printk(KERN_DEBUG "PartialReception = %d", p->PartialReception);
198                 printk(KERN_DEBUG "NumOfLayers = %d", p->NumOfLayers);
199                 printk(KERN_DEBUG "SmsToHostTxErrors = %d", p->SmsToHostTxErrors);
200
201                 for (i = 0; i < 3; i++) {
202                         printk(KERN_DEBUG "%d: CodeRate = %d", i, p->LayerInfo[i].CodeRate);
203                         printk(KERN_DEBUG "%d: Constellation = %d", i, p->LayerInfo[i].Constellation);
204                         printk(KERN_DEBUG "%d: BER = %d", i, p->LayerInfo[i].BER);
205                         printk(KERN_DEBUG "%d: BERErrorCount = %d", i, p->LayerInfo[i].BERErrorCount);
206                         printk(KERN_DEBUG "%d: BERBitCount = %d", i, p->LayerInfo[i].BERBitCount);
207                         printk(KERN_DEBUG "%d: PreBER = %d", i, p->LayerInfo[i].PreBER);
208                         printk(KERN_DEBUG "%d: TS_PER = %d", i, p->LayerInfo[i].TS_PER);
209                         printk(KERN_DEBUG "%d: ErrorTSPackets = %d", i, p->LayerInfo[i].ErrorTSPackets);
210                         printk(KERN_DEBUG "%d: TotalTSPackets = %d", i, p->LayerInfo[i].TotalTSPackets);
211                         printk(KERN_DEBUG "%d: TILdepthI = %d", i, p->LayerInfo[i].TILdepthI);
212                         printk(KERN_DEBUG "%d: NumberOfSegments = %d", i, p->LayerInfo[i].NumberOfSegments);
213                         printk(KERN_DEBUG "%d: TMCCErrors = %d", i, p->LayerInfo[i].TMCCErrors);
214                 }
215         }
216
217         pReceptionData->IsDemodLocked = p->IsDemodLocked;
218
219         pReceptionData->SNR = p->SNR;
220         pReceptionData->InBandPwr = p->InBandPwr;
221
222         pReceptionData->ErrorTSPackets = 0;
223         pReceptionData->BER = 0;
224         pReceptionData->BERErrorCount = 0;
225         for (i = 0; i < 3; i++) {
226                 pReceptionData->BER += p->LayerInfo[i].BER;
227                 pReceptionData->BERErrorCount += p->LayerInfo[i].BERErrorCount;
228                 pReceptionData->ErrorTSPackets += p->LayerInfo[i].ErrorTSPackets;
229         }
230 }
231
232 static int smsdvb_onresponse(void *context, struct smscore_buffer_t *cb)
233 {
234         struct smsdvb_client_t *client = (struct smsdvb_client_t *) context;
235         struct SmsMsgHdr_ST *phdr = (struct SmsMsgHdr_ST *) (((u8 *) cb->p)
236                         + cb->offset);
237         u32 *pMsgData = (u32 *) phdr + 1;
238         /*u32 MsgDataLen = phdr->msgLength - sizeof(struct SmsMsgHdr_ST);*/
239         bool is_status_update = false;
240
241         smsendian_handle_rx_message((struct SmsMsgData_ST *) phdr);
242
243         switch (phdr->msgType) {
244         case MSG_SMS_DVBT_BDA_DATA:
245                 dvb_dmx_swfilter(&client->demux, (u8 *)(phdr + 1),
246                                  cb->size - sizeof(struct SmsMsgHdr_ST));
247                 break;
248
249         case MSG_SMS_RF_TUNE_RES:
250         case MSG_SMS_ISDBT_TUNE_RES:
251                 complete(&client->tune_done);
252                 break;
253
254         case MSG_SMS_SIGNAL_DETECTED_IND:
255                 sms_info("MSG_SMS_SIGNAL_DETECTED_IND");
256                 client->sms_stat_dvb.TransmissionData.IsDemodLocked = true;
257                 is_status_update = true;
258                 break;
259
260         case MSG_SMS_NO_SIGNAL_IND:
261                 sms_info("MSG_SMS_NO_SIGNAL_IND");
262                 client->sms_stat_dvb.TransmissionData.IsDemodLocked = false;
263                 is_status_update = true;
264                 break;
265
266         case MSG_SMS_TRANSMISSION_IND: {
267                 sms_info("MSG_SMS_TRANSMISSION_IND");
268
269                 pMsgData++;
270                 memcpy(&client->sms_stat_dvb.TransmissionData, pMsgData,
271                                 sizeof(struct TRANSMISSION_STATISTICS_S));
272
273                 /* Mo need to correct guard interval
274                  * (as opposed to old statistics message).
275                  */
276                 CORRECT_STAT_BANDWIDTH(client->sms_stat_dvb.TransmissionData);
277                 CORRECT_STAT_TRANSMISSON_MODE(
278                                 client->sms_stat_dvb.TransmissionData);
279                 is_status_update = true;
280                 break;
281         }
282         case MSG_SMS_HO_PER_SLICES_IND: {
283                 struct RECEPTION_STATISTICS_S *pReceptionData =
284                                 &client->sms_stat_dvb.ReceptionData;
285                 struct SRVM_SIGNAL_STATUS_S SignalStatusData;
286
287                 /*sms_info("MSG_SMS_HO_PER_SLICES_IND");*/
288                 pMsgData++;
289                 SignalStatusData.result = pMsgData[0];
290                 SignalStatusData.snr = pMsgData[1];
291                 SignalStatusData.inBandPower = (s32) pMsgData[2];
292                 SignalStatusData.tsPackets = pMsgData[3];
293                 SignalStatusData.etsPackets = pMsgData[4];
294                 SignalStatusData.constellation = pMsgData[5];
295                 SignalStatusData.hpCode = pMsgData[6];
296                 SignalStatusData.tpsSrvIndLP = pMsgData[7] & 0x03;
297                 SignalStatusData.tpsSrvIndHP = pMsgData[8] & 0x03;
298                 SignalStatusData.cellId = pMsgData[9] & 0xFFFF;
299                 SignalStatusData.reason = pMsgData[10];
300                 SignalStatusData.requestId = pMsgData[11];
301                 pReceptionData->IsRfLocked = pMsgData[16];
302                 pReceptionData->IsDemodLocked = pMsgData[17];
303                 pReceptionData->ModemState = pMsgData[12];
304                 pReceptionData->SNR = pMsgData[1];
305                 pReceptionData->BER = pMsgData[13];
306                 pReceptionData->RSSI = pMsgData[14];
307                 CORRECT_STAT_RSSI(client->sms_stat_dvb.ReceptionData);
308
309                 pReceptionData->InBandPwr = (s32) pMsgData[2];
310                 pReceptionData->CarrierOffset = (s32) pMsgData[15];
311                 pReceptionData->TotalTSPackets = pMsgData[3];
312                 pReceptionData->ErrorTSPackets = pMsgData[4];
313
314                 /* TS PER */
315                 if ((SignalStatusData.tsPackets + SignalStatusData.etsPackets)
316                                 > 0) {
317                         pReceptionData->TS_PER = (SignalStatusData.etsPackets
318                                         * 100) / (SignalStatusData.tsPackets
319                                         + SignalStatusData.etsPackets);
320                 } else {
321                         pReceptionData->TS_PER = 0;
322                 }
323
324                 pReceptionData->BERBitCount = pMsgData[18];
325                 pReceptionData->BERErrorCount = pMsgData[19];
326
327                 pReceptionData->MRC_SNR = pMsgData[20];
328                 pReceptionData->MRC_InBandPwr = pMsgData[21];
329                 pReceptionData->MRC_RSSI = pMsgData[22];
330
331                 is_status_update = true;
332                 break;
333         }
334         case MSG_SMS_GET_STATISTICS_RES: {
335                 union {
336                         struct SMSHOSTLIB_STATISTICS_ISDBT_ST  isdbt;
337                         struct SmsMsgStatisticsInfo_ST         dvb;
338                 } *p = (void *) (phdr + 1);
339                 struct RECEPTION_STATISTICS_S *pReceptionData =
340                                 &client->sms_stat_dvb.ReceptionData;
341
342                 sms_info("MSG_SMS_GET_STATISTICS_RES");
343
344                 is_status_update = true;
345
346                 switch (smscore_get_device_mode(client->coredev)) {
347                 case DEVICE_MODE_ISDBT:
348                 case DEVICE_MODE_ISDBT_BDA:
349                         smsdvb_update_isdbt_stats(pReceptionData, &p->isdbt);
350                         break;
351                 default:
352                         smsdvb_update_dvb_stats(pReceptionData, &p->dvb.Stat);
353                 }
354                 if (!pReceptionData->IsDemodLocked) {
355                         pReceptionData->SNR = 0;
356                         pReceptionData->BER = 0;
357                         pReceptionData->BERErrorCount = 0;
358                         pReceptionData->InBandPwr = 0;
359                         pReceptionData->ErrorTSPackets = 0;
360                 }
361
362                 complete(&client->tune_done);
363                 break;
364         }
365         default:
366                 sms_info("Unhandled message %d", phdr->msgType);
367
368         }
369         smscore_putbuffer(client->coredev, cb);
370
371         if (is_status_update) {
372                 if (client->sms_stat_dvb.ReceptionData.IsDemodLocked) {
373                         client->fe_status = FE_HAS_SIGNAL | FE_HAS_CARRIER
374                                 | FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK;
375                         sms_board_dvb3_event(client, DVB3_EVENT_FE_LOCK);
376                         if (client->sms_stat_dvb.ReceptionData.ErrorTSPackets
377                                         == 0)
378                                 sms_board_dvb3_event(client, DVB3_EVENT_UNC_OK);
379                         else
380                                 sms_board_dvb3_event(client,
381                                                 DVB3_EVENT_UNC_ERR);
382
383                 } else {
384                         if (client->sms_stat_dvb.ReceptionData.IsRfLocked)
385                                 client->fe_status = FE_HAS_SIGNAL | FE_HAS_CARRIER;
386                         else
387                                 client->fe_status = 0;
388                         sms_board_dvb3_event(client, DVB3_EVENT_FE_UNLOCK);
389                 }
390         }
391
392         return 0;
393 }
394
395 static void smsdvb_unregister_client(struct smsdvb_client_t *client)
396 {
397         /* must be called under clientslock */
398
399         list_del(&client->entry);
400
401         smscore_unregister_client(client->smsclient);
402         dvb_unregister_frontend(&client->frontend);
403         dvb_dmxdev_release(&client->dmxdev);
404         dvb_dmx_release(&client->demux);
405         dvb_unregister_adapter(&client->adapter);
406         kfree(client);
407 }
408
409 static void smsdvb_onremove(void *context)
410 {
411         kmutex_lock(&g_smsdvb_clientslock);
412
413         smsdvb_unregister_client((struct smsdvb_client_t *) context);
414
415         kmutex_unlock(&g_smsdvb_clientslock);
416 }
417
418 static int smsdvb_start_feed(struct dvb_demux_feed *feed)
419 {
420         struct smsdvb_client_t *client =
421                 container_of(feed->demux, struct smsdvb_client_t, demux);
422         struct SmsMsgData_ST PidMsg;
423
424         sms_debug("add pid %d(%x)",
425                   feed->pid, feed->pid);
426
427         PidMsg.xMsgHeader.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
428         PidMsg.xMsgHeader.msgDstId = HIF_TASK;
429         PidMsg.xMsgHeader.msgFlags = 0;
430         PidMsg.xMsgHeader.msgType  = MSG_SMS_ADD_PID_FILTER_REQ;
431         PidMsg.xMsgHeader.msgLength = sizeof(PidMsg);
432         PidMsg.msgData[0] = feed->pid;
433
434         smsendian_handle_tx_message((struct SmsMsgHdr_ST *)&PidMsg);
435         return smsclient_sendrequest(client->smsclient,
436                                      &PidMsg, sizeof(PidMsg));
437 }
438
439 static int smsdvb_stop_feed(struct dvb_demux_feed *feed)
440 {
441         struct smsdvb_client_t *client =
442                 container_of(feed->demux, struct smsdvb_client_t, demux);
443         struct SmsMsgData_ST PidMsg;
444
445         sms_debug("remove pid %d(%x)",
446                   feed->pid, feed->pid);
447
448         PidMsg.xMsgHeader.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
449         PidMsg.xMsgHeader.msgDstId = HIF_TASK;
450         PidMsg.xMsgHeader.msgFlags = 0;
451         PidMsg.xMsgHeader.msgType  = MSG_SMS_REMOVE_PID_FILTER_REQ;
452         PidMsg.xMsgHeader.msgLength = sizeof(PidMsg);
453         PidMsg.msgData[0] = feed->pid;
454
455         smsendian_handle_tx_message((struct SmsMsgHdr_ST *)&PidMsg);
456         return smsclient_sendrequest(client->smsclient,
457                                      &PidMsg, sizeof(PidMsg));
458 }
459
460 static int smsdvb_sendrequest_and_wait(struct smsdvb_client_t *client,
461                                         void *buffer, size_t size,
462                                         struct completion *completion)
463 {
464         int rc;
465
466         smsendian_handle_tx_message((struct SmsMsgHdr_ST *)buffer);
467         rc = smsclient_sendrequest(client->smsclient, buffer, size);
468         if (rc < 0)
469                 return rc;
470
471         return wait_for_completion_timeout(completion,
472                                            msecs_to_jiffies(2000)) ?
473                                                 0 : -ETIME;
474 }
475
476 static int smsdvb_send_statistics_request(struct smsdvb_client_t *client)
477 {
478         int rc;
479         struct SmsMsgHdr_ST Msg = { MSG_SMS_GET_STATISTICS_REQ,
480                                     DVBT_BDA_CONTROL_MSG_ID,
481                                     HIF_TASK,
482                                     sizeof(struct SmsMsgHdr_ST), 0 };
483
484         rc = smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg),
485                                           &client->tune_done);
486
487         return rc;
488 }
489
490 static inline int led_feedback(struct smsdvb_client_t *client)
491 {
492         if (client->fe_status & FE_HAS_LOCK)
493                 return sms_board_led_feedback(client->coredev,
494                         (client->sms_stat_dvb.ReceptionData.BER
495                         == 0) ? SMS_LED_HI : SMS_LED_LO);
496         else
497                 return sms_board_led_feedback(client->coredev, SMS_LED_OFF);
498 }
499
500 static int smsdvb_read_status(struct dvb_frontend *fe, fe_status_t *stat)
501 {
502         int rc;
503         struct smsdvb_client_t *client;
504         client = container_of(fe, struct smsdvb_client_t, frontend);
505
506         rc = smsdvb_send_statistics_request(client);
507
508         *stat = client->fe_status;
509
510         led_feedback(client);
511
512         return rc;
513 }
514
515 static int smsdvb_read_ber(struct dvb_frontend *fe, u32 *ber)
516 {
517         int rc;
518         struct smsdvb_client_t *client;
519         client = container_of(fe, struct smsdvb_client_t, frontend);
520
521         rc = smsdvb_send_statistics_request(client);
522
523         *ber = client->sms_stat_dvb.ReceptionData.BER;
524
525         led_feedback(client);
526
527         return rc;
528 }
529
530 static int smsdvb_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
531 {
532         int rc;
533
534         struct smsdvb_client_t *client;
535         client = container_of(fe, struct smsdvb_client_t, frontend);
536
537         rc = smsdvb_send_statistics_request(client);
538
539         if (client->sms_stat_dvb.ReceptionData.InBandPwr < -95)
540                 *strength = 0;
541                 else if (client->sms_stat_dvb.ReceptionData.InBandPwr > -29)
542                         *strength = 100;
543                 else
544                         *strength =
545                                 (client->sms_stat_dvb.ReceptionData.InBandPwr
546                                 + 95) * 3 / 2;
547
548         led_feedback(client);
549
550         return rc;
551 }
552
553 static int smsdvb_read_snr(struct dvb_frontend *fe, u16 *snr)
554 {
555         int rc;
556         struct smsdvb_client_t *client;
557         client = container_of(fe, struct smsdvb_client_t, frontend);
558
559         rc = smsdvb_send_statistics_request(client);
560
561         *snr = client->sms_stat_dvb.ReceptionData.SNR;
562
563         led_feedback(client);
564
565         return rc;
566 }
567
568 static int smsdvb_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
569 {
570         int rc;
571         struct smsdvb_client_t *client;
572         client = container_of(fe, struct smsdvb_client_t, frontend);
573
574         rc = smsdvb_send_statistics_request(client);
575
576         *ucblocks = client->sms_stat_dvb.ReceptionData.ErrorTSPackets;
577
578         led_feedback(client);
579
580         return rc;
581 }
582
583 static int smsdvb_get_tune_settings(struct dvb_frontend *fe,
584                                     struct dvb_frontend_tune_settings *tune)
585 {
586         sms_debug("");
587
588         tune->min_delay_ms = 400;
589         tune->step_size = 250000;
590         tune->max_drift = 0;
591         return 0;
592 }
593
594 static int smsdvb_dvbt_set_frontend(struct dvb_frontend *fe)
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 didn't 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 {
662         struct dtv_frontend_properties *c = &fe->dtv_property_cache;
663         struct smsdvb_client_t *client =
664                 container_of(fe, struct smsdvb_client_t, frontend);
665
666         struct {
667                 struct SmsMsgHdr_ST     Msg;
668                 u32             Data[4];
669         } Msg;
670
671         fe->dtv_property_cache.delivery_system = SYS_ISDBT;
672
673         Msg.Msg.msgSrcId  = DVBT_BDA_CONTROL_MSG_ID;
674         Msg.Msg.msgDstId  = HIF_TASK;
675         Msg.Msg.msgFlags  = 0;
676         Msg.Msg.msgType   = MSG_SMS_ISDBT_TUNE_REQ;
677         Msg.Msg.msgLength = sizeof(Msg);
678
679         if (c->isdbt_sb_segment_idx == -1)
680                 c->isdbt_sb_segment_idx = 0;
681
682         switch (c->isdbt_sb_segment_count) {
683         case 3:
684                 Msg.Data[1] = BW_ISDBT_3SEG;
685                 break;
686         case 1:
687                 Msg.Data[1] = BW_ISDBT_1SEG;
688                 break;
689         case 0: /* AUTO */
690                 switch (c->bandwidth_hz / 1000000) {
691                 case 8:
692                 case 7:
693                         c->isdbt_sb_segment_count = 3;
694                         Msg.Data[1] = BW_ISDBT_3SEG;
695                         break;
696                 case 6:
697                         c->isdbt_sb_segment_count = 1;
698                         Msg.Data[1] = BW_ISDBT_1SEG;
699                         break;
700                 default: /* Assumes 6 MHZ bw */
701                         c->isdbt_sb_segment_count = 1;
702                         c->bandwidth_hz = 6000;
703                         Msg.Data[1] = BW_ISDBT_1SEG;
704                         break;
705                 }
706                 break;
707         default:
708                 sms_info("Segment count %d not supported", c->isdbt_sb_segment_count);
709                 return -EINVAL;
710         }
711
712         Msg.Data[0] = c->frequency;
713         Msg.Data[2] = 12000000;
714         Msg.Data[3] = c->isdbt_sb_segment_idx;
715
716         sms_info("%s: freq %d segwidth %d segindex %d\n", __func__,
717                  c->frequency, c->isdbt_sb_segment_count,
718                  c->isdbt_sb_segment_idx);
719
720         return smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg),
721                                            &client->tune_done);
722 }
723
724 static int smsdvb_set_frontend(struct dvb_frontend *fe)
725 {
726         struct smsdvb_client_t *client =
727                 container_of(fe, struct smsdvb_client_t, frontend);
728         struct smscore_device_t *coredev = client->coredev;
729
730         switch (smscore_get_device_mode(coredev)) {
731         case DEVICE_MODE_DVBT:
732         case DEVICE_MODE_DVBT_BDA:
733                 return smsdvb_dvbt_set_frontend(fe);
734         case DEVICE_MODE_ISDBT:
735         case DEVICE_MODE_ISDBT_BDA:
736                 return smsdvb_isdbt_set_frontend(fe);
737         default:
738                 return -EINVAL;
739         }
740 }
741
742 static int smsdvb_get_frontend(struct dvb_frontend *fe)
743 {
744         struct dtv_frontend_properties *fep = &fe->dtv_property_cache;
745         struct smsdvb_client_t *client =
746                 container_of(fe, struct smsdvb_client_t, frontend);
747
748         sms_debug("");
749
750         /* todo: */
751         memcpy(fep, &client->fe_params,
752                sizeof(struct dtv_frontend_properties));
753
754         return 0;
755 }
756
757 static int smsdvb_init(struct dvb_frontend *fe)
758 {
759         struct smsdvb_client_t *client =
760                 container_of(fe, struct smsdvb_client_t, frontend);
761
762         sms_board_power(client->coredev, 1);
763
764         sms_board_dvb3_event(client, DVB3_EVENT_INIT);
765         return 0;
766 }
767
768 static int smsdvb_sleep(struct dvb_frontend *fe)
769 {
770         struct smsdvb_client_t *client =
771                 container_of(fe, struct smsdvb_client_t, frontend);
772
773         sms_board_led_feedback(client->coredev, SMS_LED_OFF);
774         sms_board_power(client->coredev, 0);
775
776         sms_board_dvb3_event(client, DVB3_EVENT_SLEEP);
777
778         return 0;
779 }
780
781 static void smsdvb_release(struct dvb_frontend *fe)
782 {
783         /* do nothing */
784 }
785
786 static struct dvb_frontend_ops smsdvb_fe_ops = {
787         .info = {
788                 .name                   = "Siano Mobile Digital MDTV Receiver",
789                 .frequency_min          = 44250000,
790                 .frequency_max          = 867250000,
791                 .frequency_stepsize     = 250000,
792                 .caps = FE_CAN_INVERSION_AUTO |
793                         FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
794                         FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO |
795                         FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_QAM_64 |
796                         FE_CAN_QAM_AUTO | FE_CAN_TRANSMISSION_MODE_AUTO |
797                         FE_CAN_GUARD_INTERVAL_AUTO |
798                         FE_CAN_RECOVER |
799                         FE_CAN_HIERARCHY_AUTO,
800         },
801
802         .release = smsdvb_release,
803
804         .set_frontend = smsdvb_set_frontend,
805         .get_frontend = smsdvb_get_frontend,
806         .get_tune_settings = smsdvb_get_tune_settings,
807
808         .read_status = smsdvb_read_status,
809         .read_ber = smsdvb_read_ber,
810         .read_signal_strength = smsdvb_read_signal_strength,
811         .read_snr = smsdvb_read_snr,
812         .read_ucblocks = smsdvb_read_ucblocks,
813
814         .init = smsdvb_init,
815         .sleep = smsdvb_sleep,
816 };
817
818 static int smsdvb_hotplug(struct smscore_device_t *coredev,
819                           struct device *device, int arrival)
820 {
821         struct smsclient_params_t params;
822         struct smsdvb_client_t *client;
823         int rc;
824
825         /* device removal handled by onremove callback */
826         if (!arrival)
827                 return 0;
828         client = kzalloc(sizeof(struct smsdvb_client_t), GFP_KERNEL);
829         if (!client) {
830                 sms_err("kmalloc() failed");
831                 return -ENOMEM;
832         }
833
834         /* register dvb adapter */
835         rc = dvb_register_adapter(&client->adapter,
836                                   sms_get_board(
837                                         smscore_get_board_id(coredev))->name,
838                                   THIS_MODULE, device, adapter_nr);
839         if (rc < 0) {
840                 sms_err("dvb_register_adapter() failed %d", rc);
841                 goto adapter_error;
842         }
843
844         /* init dvb demux */
845         client->demux.dmx.capabilities = DMX_TS_FILTERING;
846         client->demux.filternum = 32; /* todo: nova ??? */
847         client->demux.feednum = 32;
848         client->demux.start_feed = smsdvb_start_feed;
849         client->demux.stop_feed = smsdvb_stop_feed;
850
851         rc = dvb_dmx_init(&client->demux);
852         if (rc < 0) {
853                 sms_err("dvb_dmx_init failed %d", rc);
854                 goto dvbdmx_error;
855         }
856
857         /* init dmxdev */
858         client->dmxdev.filternum = 32;
859         client->dmxdev.demux = &client->demux.dmx;
860         client->dmxdev.capabilities = 0;
861
862         rc = dvb_dmxdev_init(&client->dmxdev, &client->adapter);
863         if (rc < 0) {
864                 sms_err("dvb_dmxdev_init failed %d", rc);
865                 goto dmxdev_error;
866         }
867
868         /* init and register frontend */
869         memcpy(&client->frontend.ops, &smsdvb_fe_ops,
870                sizeof(struct dvb_frontend_ops));
871
872         switch (smscore_get_device_mode(coredev)) {
873         case DEVICE_MODE_DVBT:
874         case DEVICE_MODE_DVBT_BDA:
875                 smsdvb_fe_ops.delsys[0] = SYS_DVBT;
876                 break;
877         case DEVICE_MODE_ISDBT:
878         case DEVICE_MODE_ISDBT_BDA:
879                 smsdvb_fe_ops.delsys[0] = SYS_ISDBT;
880                 break;
881         }
882
883         rc = dvb_register_frontend(&client->adapter, &client->frontend);
884         if (rc < 0) {
885                 sms_err("frontend registration failed %d", rc);
886                 goto frontend_error;
887         }
888
889         params.initial_id = 1;
890         params.data_type = MSG_SMS_DVBT_BDA_DATA;
891         params.onresponse_handler = smsdvb_onresponse;
892         params.onremove_handler = smsdvb_onremove;
893         params.context = client;
894
895         rc = smscore_register_client(coredev, &params, &client->smsclient);
896         if (rc < 0) {
897                 sms_err("smscore_register_client() failed %d", rc);
898                 goto client_error;
899         }
900
901         client->coredev = coredev;
902
903         init_completion(&client->tune_done);
904
905         kmutex_lock(&g_smsdvb_clientslock);
906
907         list_add(&client->entry, &g_smsdvb_clients);
908
909         kmutex_unlock(&g_smsdvb_clientslock);
910
911         client->event_fe_state = -1;
912         client->event_unc_state = -1;
913         sms_board_dvb3_event(client, DVB3_EVENT_HOTPLUG);
914
915         sms_info("success");
916         sms_board_setup(coredev);
917
918         return 0;
919
920 client_error:
921         dvb_unregister_frontend(&client->frontend);
922
923 frontend_error:
924         dvb_dmxdev_release(&client->dmxdev);
925
926 dmxdev_error:
927         dvb_dmx_release(&client->demux);
928
929 dvbdmx_error:
930         dvb_unregister_adapter(&client->adapter);
931
932 adapter_error:
933         kfree(client);
934         return rc;
935 }
936
937 static int __init smsdvb_module_init(void)
938 {
939         int rc;
940
941         INIT_LIST_HEAD(&g_smsdvb_clients);
942         kmutex_init(&g_smsdvb_clientslock);
943
944         rc = smscore_register_hotplug(smsdvb_hotplug);
945
946         sms_debug("");
947
948         return rc;
949 }
950
951 static void __exit smsdvb_module_exit(void)
952 {
953         smscore_unregister_hotplug(smsdvb_hotplug);
954
955         kmutex_lock(&g_smsdvb_clientslock);
956
957         while (!list_empty(&g_smsdvb_clients))
958                smsdvb_unregister_client(
959                         (struct smsdvb_client_t *) g_smsdvb_clients.next);
960
961         kmutex_unlock(&g_smsdvb_clientslock);
962 }
963
964 module_init(smsdvb_module_init);
965 module_exit(smsdvb_module_exit);
966
967 MODULE_DESCRIPTION("SMS DVB subsystem adaptation module");
968 MODULE_AUTHOR("Siano Mobile Silicon, Inc. (uris@siano-ms.com)");
969 MODULE_LICENSE("GPL");