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/****************************************************************
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Siano Mobile Silicon, Inc.
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MDTV receiver kernel modules.
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Copyright (C) 2006-2008, Uri Shkolnik
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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****************************************************************/
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#include <linux/module.h>
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#include <linux/slab.h>
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#include <linux/init.h>
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#include "dvb_demux.h"
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#include "dvb_frontend.h"
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#include "smscoreapi.h"
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#include "smsendian.h"
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#include "sms-cards.h"
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DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
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struct smsdvb_client_t {
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struct list_head entry;
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struct smscore_device_t *coredev;
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struct smscore_client_t *smsclient;
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struct dvb_adapter adapter;
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struct dvb_demux demux;
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struct dvb_frontend frontend;
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fe_status_t fe_status;
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struct completion tune_done;
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/* todo: save freq/band instead whole struct */
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struct dvb_frontend_parameters fe_params;
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struct SMSHOSTLIB_STATISTICS_DVB_S sms_stat_dvb;
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static struct list_head g_smsdvb_clients;
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static struct mutex g_smsdvb_clientslock;
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module_param_named(debug, sms_dbg, int, 0644);
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MODULE_PARM_DESC(debug, "set debug level (info=1, adv=2 (or-able))");
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/* Events that may come from DVB v3 adapter */
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static void sms_board_dvb3_event(struct smsdvb_client_t *client,
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enum SMS_DVB3_EVENTS event) {
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struct smscore_device_t *coredev = client->coredev;
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sms_debug("DVB3_EVENT_INIT");
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sms_board_event(coredev, BOARD_EVENT_BIND);
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case DVB3_EVENT_SLEEP:
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sms_debug("DVB3_EVENT_SLEEP");
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sms_board_event(coredev, BOARD_EVENT_POWER_SUSPEND);
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case DVB3_EVENT_HOTPLUG:
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sms_debug("DVB3_EVENT_HOTPLUG");
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sms_board_event(coredev, BOARD_EVENT_POWER_INIT);
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case DVB3_EVENT_FE_LOCK:
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if (client->event_fe_state != DVB3_EVENT_FE_LOCK) {
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client->event_fe_state = DVB3_EVENT_FE_LOCK;
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sms_debug("DVB3_EVENT_FE_LOCK");
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sms_board_event(coredev, BOARD_EVENT_FE_LOCK);
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case DVB3_EVENT_FE_UNLOCK:
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if (client->event_fe_state != DVB3_EVENT_FE_UNLOCK) {
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client->event_fe_state = DVB3_EVENT_FE_UNLOCK;
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sms_debug("DVB3_EVENT_FE_UNLOCK");
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sms_board_event(coredev, BOARD_EVENT_FE_UNLOCK);
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case DVB3_EVENT_UNC_OK:
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if (client->event_unc_state != DVB3_EVENT_UNC_OK) {
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client->event_unc_state = DVB3_EVENT_UNC_OK;
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sms_debug("DVB3_EVENT_UNC_OK");
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sms_board_event(coredev, BOARD_EVENT_MULTIPLEX_OK);
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case DVB3_EVENT_UNC_ERR:
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if (client->event_unc_state != DVB3_EVENT_UNC_ERR) {
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client->event_unc_state = DVB3_EVENT_UNC_ERR;
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sms_debug("DVB3_EVENT_UNC_ERR");
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sms_board_event(coredev, BOARD_EVENT_MULTIPLEX_ERRORS);
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sms_err("Unknown dvb3 api event");
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static void smsdvb_update_dvb_stats(struct RECEPTION_STATISTICS_S *pReceptionData,
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struct SMSHOSTLIB_STATISTICS_ST *p)
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printk(KERN_DEBUG "Reserved = %d", p->Reserved);
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printk(KERN_DEBUG "IsRfLocked = %d", p->IsRfLocked);
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printk(KERN_DEBUG "IsDemodLocked = %d", p->IsDemodLocked);
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printk(KERN_DEBUG "IsExternalLNAOn = %d", p->IsExternalLNAOn);
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printk(KERN_DEBUG "SNR = %d", p->SNR);
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printk(KERN_DEBUG "BER = %d", p->BER);
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printk(KERN_DEBUG "FIB_CRC = %d", p->FIB_CRC);
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printk(KERN_DEBUG "TS_PER = %d", p->TS_PER);
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printk(KERN_DEBUG "MFER = %d", p->MFER);
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printk(KERN_DEBUG "RSSI = %d", p->RSSI);
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printk(KERN_DEBUG "InBandPwr = %d", p->InBandPwr);
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printk(KERN_DEBUG "CarrierOffset = %d", p->CarrierOffset);
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printk(KERN_DEBUG "Frequency = %d", p->Frequency);
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printk(KERN_DEBUG "Bandwidth = %d", p->Bandwidth);
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printk(KERN_DEBUG "TransmissionMode = %d", p->TransmissionMode);
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printk(KERN_DEBUG "ModemState = %d", p->ModemState);
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printk(KERN_DEBUG "GuardInterval = %d", p->GuardInterval);
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printk(KERN_DEBUG "CodeRate = %d", p->CodeRate);
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printk(KERN_DEBUG "LPCodeRate = %d", p->LPCodeRate);
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printk(KERN_DEBUG "Hierarchy = %d", p->Hierarchy);
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printk(KERN_DEBUG "Constellation = %d", p->Constellation);
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printk(KERN_DEBUG "BurstSize = %d", p->BurstSize);
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printk(KERN_DEBUG "BurstDuration = %d", p->BurstDuration);
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printk(KERN_DEBUG "BurstCycleTime = %d", p->BurstCycleTime);
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printk(KERN_DEBUG "CalculatedBurstCycleTime = %d", p->CalculatedBurstCycleTime);
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printk(KERN_DEBUG "NumOfRows = %d", p->NumOfRows);
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printk(KERN_DEBUG "NumOfPaddCols = %d", p->NumOfPaddCols);
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printk(KERN_DEBUG "NumOfPunctCols = %d", p->NumOfPunctCols);
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printk(KERN_DEBUG "ErrorTSPackets = %d", p->ErrorTSPackets);
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printk(KERN_DEBUG "TotalTSPackets = %d", p->TotalTSPackets);
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printk(KERN_DEBUG "NumOfValidMpeTlbs = %d", p->NumOfValidMpeTlbs);
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printk(KERN_DEBUG "NumOfInvalidMpeTlbs = %d", p->NumOfInvalidMpeTlbs);
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printk(KERN_DEBUG "NumOfCorrectedMpeTlbs = %d", p->NumOfCorrectedMpeTlbs);
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printk(KERN_DEBUG "BERErrorCount = %d", p->BERErrorCount);
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printk(KERN_DEBUG "BERBitCount = %d", p->BERBitCount);
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printk(KERN_DEBUG "SmsToHostTxErrors = %d", p->SmsToHostTxErrors);
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printk(KERN_DEBUG "PreBER = %d", p->PreBER);
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printk(KERN_DEBUG "CellId = %d", p->CellId);
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printk(KERN_DEBUG "DvbhSrvIndHP = %d", p->DvbhSrvIndHP);
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printk(KERN_DEBUG "DvbhSrvIndLP = %d", p->DvbhSrvIndLP);
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printk(KERN_DEBUG "NumMPEReceived = %d", p->NumMPEReceived);
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pReceptionData->IsDemodLocked = p->IsDemodLocked;
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pReceptionData->SNR = p->SNR;
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pReceptionData->BER = p->BER;
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pReceptionData->BERErrorCount = p->BERErrorCount;
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pReceptionData->InBandPwr = p->InBandPwr;
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pReceptionData->ErrorTSPackets = p->ErrorTSPackets;
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static void smsdvb_update_isdbt_stats(struct RECEPTION_STATISTICS_S *pReceptionData,
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struct SMSHOSTLIB_STATISTICS_ISDBT_ST *p)
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printk(KERN_DEBUG "IsRfLocked = %d", p->IsRfLocked);
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printk(KERN_DEBUG "IsDemodLocked = %d", p->IsDemodLocked);
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printk(KERN_DEBUG "IsExternalLNAOn = %d", p->IsExternalLNAOn);
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printk(KERN_DEBUG "SNR = %d", p->SNR);
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printk(KERN_DEBUG "RSSI = %d", p->RSSI);
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printk(KERN_DEBUG "InBandPwr = %d", p->InBandPwr);
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printk(KERN_DEBUG "CarrierOffset = %d", p->CarrierOffset);
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printk(KERN_DEBUG "Frequency = %d", p->Frequency);
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printk(KERN_DEBUG "Bandwidth = %d", p->Bandwidth);
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printk(KERN_DEBUG "TransmissionMode = %d", p->TransmissionMode);
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printk(KERN_DEBUG "ModemState = %d", p->ModemState);
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printk(KERN_DEBUG "GuardInterval = %d", p->GuardInterval);
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printk(KERN_DEBUG "SystemType = %d", p->SystemType);
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printk(KERN_DEBUG "PartialReception = %d", p->PartialReception);
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printk(KERN_DEBUG "NumOfLayers = %d", p->NumOfLayers);
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printk(KERN_DEBUG "SmsToHostTxErrors = %d", p->SmsToHostTxErrors);
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for (i = 0; i < 3; i++) {
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printk(KERN_DEBUG "%d: CodeRate = %d", i, p->LayerInfo[i].CodeRate);
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printk(KERN_DEBUG "%d: Constellation = %d", i, p->LayerInfo[i].Constellation);
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printk(KERN_DEBUG "%d: BER = %d", i, p->LayerInfo[i].BER);
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printk(KERN_DEBUG "%d: BERErrorCount = %d", i, p->LayerInfo[i].BERErrorCount);
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printk(KERN_DEBUG "%d: BERBitCount = %d", i, p->LayerInfo[i].BERBitCount);
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printk(KERN_DEBUG "%d: PreBER = %d", i, p->LayerInfo[i].PreBER);
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printk(KERN_DEBUG "%d: TS_PER = %d", i, p->LayerInfo[i].TS_PER);
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printk(KERN_DEBUG "%d: ErrorTSPackets = %d", i, p->LayerInfo[i].ErrorTSPackets);
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printk(KERN_DEBUG "%d: TotalTSPackets = %d", i, p->LayerInfo[i].TotalTSPackets);
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printk(KERN_DEBUG "%d: TILdepthI = %d", i, p->LayerInfo[i].TILdepthI);
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printk(KERN_DEBUG "%d: NumberOfSegments = %d", i, p->LayerInfo[i].NumberOfSegments);
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printk(KERN_DEBUG "%d: TMCCErrors = %d", i, p->LayerInfo[i].TMCCErrors);
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pReceptionData->IsDemodLocked = p->IsDemodLocked;
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pReceptionData->SNR = p->SNR;
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pReceptionData->InBandPwr = p->InBandPwr;
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pReceptionData->ErrorTSPackets = 0;
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pReceptionData->BER = 0;
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pReceptionData->BERErrorCount = 0;
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for (i = 0; i < 3; i++) {
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pReceptionData->BER += p->LayerInfo[i].BER;
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pReceptionData->BERErrorCount += p->LayerInfo[i].BERErrorCount;
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pReceptionData->ErrorTSPackets += p->LayerInfo[i].ErrorTSPackets;
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static int smsdvb_onresponse(void *context, struct smscore_buffer_t *cb)
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struct smsdvb_client_t *client = (struct smsdvb_client_t *) context;
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struct SmsMsgHdr_ST *phdr = (struct SmsMsgHdr_ST *) (((u8 *) cb->p)
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u32 *pMsgData = (u32 *) phdr + 1;
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/*u32 MsgDataLen = phdr->msgLength - sizeof(struct SmsMsgHdr_ST);*/
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bool is_status_update = false;
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smsendian_handle_rx_message((struct SmsMsgData_ST *) phdr);
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switch (phdr->msgType) {
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case MSG_SMS_DVBT_BDA_DATA:
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dvb_dmx_swfilter(&client->demux, (u8 *)(phdr + 1),
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cb->size - sizeof(struct SmsMsgHdr_ST));
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case MSG_SMS_RF_TUNE_RES:
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case MSG_SMS_ISDBT_TUNE_RES:
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complete(&client->tune_done);
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case MSG_SMS_SIGNAL_DETECTED_IND:
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sms_info("MSG_SMS_SIGNAL_DETECTED_IND");
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client->sms_stat_dvb.TransmissionData.IsDemodLocked = true;
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is_status_update = true;
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case MSG_SMS_NO_SIGNAL_IND:
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sms_info("MSG_SMS_NO_SIGNAL_IND");
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client->sms_stat_dvb.TransmissionData.IsDemodLocked = false;
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is_status_update = true;
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case MSG_SMS_TRANSMISSION_IND: {
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sms_info("MSG_SMS_TRANSMISSION_IND");
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memcpy(&client->sms_stat_dvb.TransmissionData, pMsgData,
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sizeof(struct TRANSMISSION_STATISTICS_S));
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/* Mo need to correct guard interval
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* (as opposed to old statistics message).
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CORRECT_STAT_BANDWIDTH(client->sms_stat_dvb.TransmissionData);
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CORRECT_STAT_TRANSMISSON_MODE(
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client->sms_stat_dvb.TransmissionData);
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is_status_update = true;
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case MSG_SMS_HO_PER_SLICES_IND: {
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struct RECEPTION_STATISTICS_S *pReceptionData =
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&client->sms_stat_dvb.ReceptionData;
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struct SRVM_SIGNAL_STATUS_S SignalStatusData;
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/*sms_info("MSG_SMS_HO_PER_SLICES_IND");*/
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SignalStatusData.result = pMsgData[0];
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SignalStatusData.snr = pMsgData[1];
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SignalStatusData.inBandPower = (s32) pMsgData[2];
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SignalStatusData.tsPackets = pMsgData[3];
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SignalStatusData.etsPackets = pMsgData[4];
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SignalStatusData.constellation = pMsgData[5];
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SignalStatusData.hpCode = pMsgData[6];
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SignalStatusData.tpsSrvIndLP = pMsgData[7] & 0x03;
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SignalStatusData.tpsSrvIndHP = pMsgData[8] & 0x03;
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SignalStatusData.cellId = pMsgData[9] & 0xFFFF;
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SignalStatusData.reason = pMsgData[10];
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SignalStatusData.requestId = pMsgData[11];
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pReceptionData->IsRfLocked = pMsgData[16];
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pReceptionData->IsDemodLocked = pMsgData[17];
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pReceptionData->ModemState = pMsgData[12];
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pReceptionData->SNR = pMsgData[1];
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pReceptionData->BER = pMsgData[13];
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pReceptionData->RSSI = pMsgData[14];
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CORRECT_STAT_RSSI(client->sms_stat_dvb.ReceptionData);
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pReceptionData->InBandPwr = (s32) pMsgData[2];
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pReceptionData->CarrierOffset = (s32) pMsgData[15];
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pReceptionData->TotalTSPackets = pMsgData[3];
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pReceptionData->ErrorTSPackets = pMsgData[4];
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if ((SignalStatusData.tsPackets + SignalStatusData.etsPackets)
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pReceptionData->TS_PER = (SignalStatusData.etsPackets
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* 100) / (SignalStatusData.tsPackets
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+ SignalStatusData.etsPackets);
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pReceptionData->TS_PER = 0;
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pReceptionData->BERBitCount = pMsgData[18];
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pReceptionData->BERErrorCount = pMsgData[19];
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pReceptionData->MRC_SNR = pMsgData[20];
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pReceptionData->MRC_InBandPwr = pMsgData[21];
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pReceptionData->MRC_RSSI = pMsgData[22];
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is_status_update = true;
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case MSG_SMS_GET_STATISTICS_RES: {
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struct SMSHOSTLIB_STATISTICS_ISDBT_ST isdbt;
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struct SmsMsgStatisticsInfo_ST dvb;
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} *p = (void *) (phdr + 1);
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struct RECEPTION_STATISTICS_S *pReceptionData =
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&client->sms_stat_dvb.ReceptionData;
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sms_info("MSG_SMS_GET_STATISTICS_RES");
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is_status_update = true;
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switch (smscore_get_device_mode(client->coredev)) {
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case DEVICE_MODE_ISDBT:
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case DEVICE_MODE_ISDBT_BDA:
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smsdvb_update_isdbt_stats(pReceptionData, &p->isdbt);
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smsdvb_update_dvb_stats(pReceptionData, &p->dvb.Stat);
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if (!pReceptionData->IsDemodLocked) {
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pReceptionData->SNR = 0;
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pReceptionData->BER = 0;
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pReceptionData->BERErrorCount = 0;
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pReceptionData->InBandPwr = 0;
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pReceptionData->ErrorTSPackets = 0;
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complete(&client->tune_done);
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sms_info("Unhandled message %d", phdr->msgType);
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smscore_putbuffer(client->coredev, cb);
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if (is_status_update) {
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if (client->sms_stat_dvb.ReceptionData.IsDemodLocked) {
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client->fe_status = FE_HAS_SIGNAL | FE_HAS_CARRIER
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| FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK;
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sms_board_dvb3_event(client, DVB3_EVENT_FE_LOCK);
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if (client->sms_stat_dvb.ReceptionData.ErrorTSPackets
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sms_board_dvb3_event(client, DVB3_EVENT_UNC_OK);
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sms_board_dvb3_event(client,
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if (client->sms_stat_dvb.ReceptionData.IsRfLocked)
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client->fe_status = FE_HAS_SIGNAL | FE_HAS_CARRIER;
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client->fe_status = 0;
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sms_board_dvb3_event(client, DVB3_EVENT_FE_UNLOCK);
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static void smsdvb_unregister_client(struct smsdvb_client_t *client)
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/* must be called under clientslock */
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list_del(&client->entry);
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smscore_unregister_client(client->smsclient);
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dvb_unregister_frontend(&client->frontend);
403
dvb_dmxdev_release(&client->dmxdev);
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dvb_dmx_release(&client->demux);
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dvb_unregister_adapter(&client->adapter);
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static void smsdvb_onremove(void *context)
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kmutex_lock(&g_smsdvb_clientslock);
413
smsdvb_unregister_client((struct smsdvb_client_t *) context);
415
kmutex_unlock(&g_smsdvb_clientslock);
418
static int smsdvb_start_feed(struct dvb_demux_feed *feed)
420
struct smsdvb_client_t *client =
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container_of(feed->demux, struct smsdvb_client_t, demux);
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struct SmsMsgData_ST PidMsg;
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sms_debug("add pid %d(%x)",
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feed->pid, feed->pid);
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PidMsg.xMsgHeader.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
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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;
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smsendian_handle_tx_message((struct SmsMsgHdr_ST *)&PidMsg);
435
return smsclient_sendrequest(client->smsclient,
436
&PidMsg, sizeof(PidMsg));
439
static int smsdvb_stop_feed(struct dvb_demux_feed *feed)
441
struct smsdvb_client_t *client =
442
container_of(feed->demux, struct smsdvb_client_t, demux);
443
struct SmsMsgData_ST PidMsg;
445
sms_debug("remove pid %d(%x)",
446
feed->pid, feed->pid);
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;
455
smsendian_handle_tx_message((struct SmsMsgHdr_ST *)&PidMsg);
456
return smsclient_sendrequest(client->smsclient,
457
&PidMsg, sizeof(PidMsg));
460
static int smsdvb_sendrequest_and_wait(struct smsdvb_client_t *client,
461
void *buffer, size_t size,
462
struct completion *completion)
466
smsendian_handle_tx_message((struct SmsMsgHdr_ST *)buffer);
467
rc = smsclient_sendrequest(client->smsclient, buffer, size);
471
return wait_for_completion_timeout(completion,
472
msecs_to_jiffies(2000)) ?
476
static int smsdvb_send_statistics_request(struct smsdvb_client_t *client)
479
struct SmsMsgHdr_ST Msg = { MSG_SMS_GET_STATISTICS_REQ,
480
DVBT_BDA_CONTROL_MSG_ID,
482
sizeof(struct SmsMsgHdr_ST), 0 };
484
rc = smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg),
490
static inline int led_feedback(struct smsdvb_client_t *client)
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);
497
return sms_board_led_feedback(client->coredev, SMS_LED_OFF);
500
static int smsdvb_read_status(struct dvb_frontend *fe, fe_status_t *stat)
503
struct smsdvb_client_t *client;
504
client = container_of(fe, struct smsdvb_client_t, frontend);
506
rc = smsdvb_send_statistics_request(client);
508
*stat = client->fe_status;
510
led_feedback(client);
515
static int smsdvb_read_ber(struct dvb_frontend *fe, u32 *ber)
518
struct smsdvb_client_t *client;
519
client = container_of(fe, struct smsdvb_client_t, frontend);
521
rc = smsdvb_send_statistics_request(client);
523
*ber = client->sms_stat_dvb.ReceptionData.BER;
525
led_feedback(client);
530
static int smsdvb_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
534
struct smsdvb_client_t *client;
535
client = container_of(fe, struct smsdvb_client_t, frontend);
537
rc = smsdvb_send_statistics_request(client);
539
if (client->sms_stat_dvb.ReceptionData.InBandPwr < -95)
541
else if (client->sms_stat_dvb.ReceptionData.InBandPwr > -29)
545
(client->sms_stat_dvb.ReceptionData.InBandPwr
548
led_feedback(client);
553
static int smsdvb_read_snr(struct dvb_frontend *fe, u16 *snr)
556
struct smsdvb_client_t *client;
557
client = container_of(fe, struct smsdvb_client_t, frontend);
559
rc = smsdvb_send_statistics_request(client);
561
*snr = client->sms_stat_dvb.ReceptionData.SNR;
563
led_feedback(client);
568
static int smsdvb_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
571
struct smsdvb_client_t *client;
572
client = container_of(fe, struct smsdvb_client_t, frontend);
574
rc = smsdvb_send_statistics_request(client);
576
*ucblocks = client->sms_stat_dvb.ReceptionData.ErrorTSPackets;
578
led_feedback(client);
583
static int smsdvb_get_tune_settings(struct dvb_frontend *fe,
584
struct dvb_frontend_tune_settings *tune)
588
tune->min_delay_ms = 400;
589
tune->step_size = 250000;
594
static int smsdvb_dvbt_set_frontend(struct dvb_frontend *fe,
595
struct dvb_frontend_parameters *p)
597
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
598
struct smsdvb_client_t *client =
599
container_of(fe, struct smsdvb_client_t, frontend);
602
struct SmsMsgHdr_ST Msg;
608
client->fe_status = FE_HAS_SIGNAL;
609
client->event_fe_state = -1;
610
client->event_unc_state = -1;
611
fe->dtv_property_cache.delivery_system = SYS_DVBT;
613
Msg.Msg.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
614
Msg.Msg.msgDstId = HIF_TASK;
615
Msg.Msg.msgFlags = 0;
616
Msg.Msg.msgType = MSG_SMS_RF_TUNE_REQ;
617
Msg.Msg.msgLength = sizeof(Msg);
618
Msg.Data[0] = c->frequency;
619
Msg.Data[2] = 12000000;
621
sms_info("%s: freq %d band %d", __func__, c->frequency,
624
switch (c->bandwidth_hz / 1000000) {
626
Msg.Data[1] = BW_8_MHZ;
629
Msg.Data[1] = BW_7_MHZ;
632
Msg.Data[1] = BW_6_MHZ;
639
/* Disable LNA, if any. An error is returned if no LNA is present */
640
ret = sms_board_lna_control(client->coredev, 0);
644
/* tune with LNA off at first */
645
ret = smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg),
648
smsdvb_read_status(fe, &status);
650
if (status & FE_HAS_LOCK)
653
/* previous tune didn't lock - enable LNA and tune again */
654
sms_board_lna_control(client->coredev, 1);
657
return smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg),
661
static int smsdvb_isdbt_set_frontend(struct dvb_frontend *fe,
662
struct dvb_frontend_parameters *p)
664
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
665
struct smsdvb_client_t *client =
666
container_of(fe, struct smsdvb_client_t, frontend);
669
struct SmsMsgHdr_ST Msg;
673
fe->dtv_property_cache.delivery_system = SYS_ISDBT;
675
Msg.Msg.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
676
Msg.Msg.msgDstId = HIF_TASK;
677
Msg.Msg.msgFlags = 0;
678
Msg.Msg.msgType = MSG_SMS_ISDBT_TUNE_REQ;
679
Msg.Msg.msgLength = sizeof(Msg);
681
if (c->isdbt_sb_segment_idx == -1)
682
c->isdbt_sb_segment_idx = 0;
684
switch (c->isdbt_sb_segment_count) {
686
Msg.Data[1] = BW_ISDBT_3SEG;
689
Msg.Data[1] = BW_ISDBT_1SEG;
692
switch (c->bandwidth_hz / 1000000) {
695
c->isdbt_sb_segment_count = 3;
696
Msg.Data[1] = BW_ISDBT_3SEG;
699
c->isdbt_sb_segment_count = 1;
700
Msg.Data[1] = BW_ISDBT_1SEG;
702
default: /* Assumes 6 MHZ bw */
703
c->isdbt_sb_segment_count = 1;
704
c->bandwidth_hz = 6000;
705
Msg.Data[1] = BW_ISDBT_1SEG;
710
sms_info("Segment count %d not supported", c->isdbt_sb_segment_count);
714
Msg.Data[0] = c->frequency;
715
Msg.Data[2] = 12000000;
716
Msg.Data[3] = c->isdbt_sb_segment_idx;
718
sms_info("%s: freq %d segwidth %d segindex %d\n", __func__,
719
c->frequency, c->isdbt_sb_segment_count,
720
c->isdbt_sb_segment_idx);
722
return smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg),
726
static int smsdvb_set_frontend(struct dvb_frontend *fe,
727
struct dvb_frontend_parameters *fep)
729
struct smsdvb_client_t *client =
730
container_of(fe, struct smsdvb_client_t, frontend);
731
struct smscore_device_t *coredev = client->coredev;
733
switch (smscore_get_device_mode(coredev)) {
734
case DEVICE_MODE_DVBT:
735
case DEVICE_MODE_DVBT_BDA:
736
return smsdvb_dvbt_set_frontend(fe, fep);
737
case DEVICE_MODE_ISDBT:
738
case DEVICE_MODE_ISDBT_BDA:
739
return smsdvb_isdbt_set_frontend(fe, fep);
745
static int smsdvb_get_frontend(struct dvb_frontend *fe,
746
struct dvb_frontend_parameters *fep)
748
struct smsdvb_client_t *client =
749
container_of(fe, struct smsdvb_client_t, frontend);
754
memcpy(fep, &client->fe_params,
755
sizeof(struct dvb_frontend_parameters));
760
static int smsdvb_init(struct dvb_frontend *fe)
762
struct smsdvb_client_t *client =
763
container_of(fe, struct smsdvb_client_t, frontend);
765
sms_board_power(client->coredev, 1);
767
sms_board_dvb3_event(client, DVB3_EVENT_INIT);
771
static int smsdvb_sleep(struct dvb_frontend *fe)
773
struct smsdvb_client_t *client =
774
container_of(fe, struct smsdvb_client_t, frontend);
776
sms_board_led_feedback(client->coredev, SMS_LED_OFF);
777
sms_board_power(client->coredev, 0);
779
sms_board_dvb3_event(client, DVB3_EVENT_SLEEP);
784
static void smsdvb_release(struct dvb_frontend *fe)
789
static struct dvb_frontend_ops smsdvb_fe_ops = {
791
.name = "Siano Mobile Digital MDTV Receiver",
793
.frequency_min = 44250000,
794
.frequency_max = 867250000,
795
.frequency_stepsize = 250000,
796
.caps = FE_CAN_INVERSION_AUTO |
797
FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
798
FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO |
799
FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_QAM_64 |
800
FE_CAN_QAM_AUTO | FE_CAN_TRANSMISSION_MODE_AUTO |
801
FE_CAN_GUARD_INTERVAL_AUTO |
803
FE_CAN_HIERARCHY_AUTO,
806
.release = smsdvb_release,
808
.set_frontend = smsdvb_set_frontend,
809
.get_frontend = smsdvb_get_frontend,
810
.get_tune_settings = smsdvb_get_tune_settings,
812
.read_status = smsdvb_read_status,
813
.read_ber = smsdvb_read_ber,
814
.read_signal_strength = smsdvb_read_signal_strength,
815
.read_snr = smsdvb_read_snr,
816
.read_ucblocks = smsdvb_read_ucblocks,
819
.sleep = smsdvb_sleep,
822
static int smsdvb_hotplug(struct smscore_device_t *coredev,
823
struct device *device, int arrival)
825
struct smsclient_params_t params;
826
struct smsdvb_client_t *client;
829
/* device removal handled by onremove callback */
832
client = kzalloc(sizeof(struct smsdvb_client_t), GFP_KERNEL);
834
sms_err("kmalloc() failed");
838
/* register dvb adapter */
839
rc = dvb_register_adapter(&client->adapter,
841
smscore_get_board_id(coredev))->name,
842
THIS_MODULE, device, adapter_nr);
844
sms_err("dvb_register_adapter() failed %d", rc);
849
client->demux.dmx.capabilities = DMX_TS_FILTERING;
850
client->demux.filternum = 32; /* todo: nova ??? */
851
client->demux.feednum = 32;
852
client->demux.start_feed = smsdvb_start_feed;
853
client->demux.stop_feed = smsdvb_stop_feed;
855
rc = dvb_dmx_init(&client->demux);
857
sms_err("dvb_dmx_init failed %d", rc);
862
client->dmxdev.filternum = 32;
863
client->dmxdev.demux = &client->demux.dmx;
864
client->dmxdev.capabilities = 0;
866
rc = dvb_dmxdev_init(&client->dmxdev, &client->adapter);
868
sms_err("dvb_dmxdev_init failed %d", rc);
872
/* init and register frontend */
873
memcpy(&client->frontend.ops, &smsdvb_fe_ops,
874
sizeof(struct dvb_frontend_ops));
876
rc = dvb_register_frontend(&client->adapter, &client->frontend);
878
sms_err("frontend registration failed %d", rc);
882
params.initial_id = 1;
883
params.data_type = MSG_SMS_DVBT_BDA_DATA;
884
params.onresponse_handler = smsdvb_onresponse;
885
params.onremove_handler = smsdvb_onremove;
886
params.context = client;
888
rc = smscore_register_client(coredev, ¶ms, &client->smsclient);
890
sms_err("smscore_register_client() failed %d", rc);
894
client->coredev = coredev;
896
init_completion(&client->tune_done);
898
kmutex_lock(&g_smsdvb_clientslock);
900
list_add(&client->entry, &g_smsdvb_clients);
902
kmutex_unlock(&g_smsdvb_clientslock);
904
client->event_fe_state = -1;
905
client->event_unc_state = -1;
906
sms_board_dvb3_event(client, DVB3_EVENT_HOTPLUG);
909
sms_board_setup(coredev);
914
dvb_unregister_frontend(&client->frontend);
917
dvb_dmxdev_release(&client->dmxdev);
920
dvb_dmx_release(&client->demux);
923
dvb_unregister_adapter(&client->adapter);
930
static int __init smsdvb_module_init(void)
934
INIT_LIST_HEAD(&g_smsdvb_clients);
935
kmutex_init(&g_smsdvb_clientslock);
937
rc = smscore_register_hotplug(smsdvb_hotplug);
944
static void __exit smsdvb_module_exit(void)
946
smscore_unregister_hotplug(smsdvb_hotplug);
948
kmutex_lock(&g_smsdvb_clientslock);
950
while (!list_empty(&g_smsdvb_clients))
951
smsdvb_unregister_client(
952
(struct smsdvb_client_t *) g_smsdvb_clients.next);
954
kmutex_unlock(&g_smsdvb_clientslock);
957
module_init(smsdvb_module_init);
958
module_exit(smsdvb_module_exit);
960
MODULE_DESCRIPTION("SMS DVB subsystem adaptation module");
961
MODULE_AUTHOR("Siano Mobile Silicon, Inc. (uris@siano-ms.com)");
962
MODULE_LICENSE("GPL");