diff options
Diffstat (limited to 'drivers/media/common/siano/smsdvb.c')
| -rw-r--r-- | drivers/media/common/siano/smsdvb.c | 1078 |
1 files changed, 1078 insertions, 0 deletions
diff --git a/drivers/media/common/siano/smsdvb.c b/drivers/media/common/siano/smsdvb.c new file mode 100644 index 000000000000..aa77e54a8fae --- /dev/null +++ b/drivers/media/common/siano/smsdvb.c @@ -0,0 +1,1078 @@ +/**************************************************************** + +Siano Mobile Silicon, Inc. +MDTV receiver kernel modules. +Copyright (C) 2006-2008, Uri Shkolnik + +This program is free software: you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation, either version 2 of the License, or +(at your option) any later version. + + This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program. If not, see <http://www.gnu.org/licenses/>. + +****************************************************************/ + +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/init.h> + +#include "dmxdev.h" +#include "dvbdev.h" +#include "dvb_demux.h" +#include "dvb_frontend.h" + +#include "smscoreapi.h" +#include "smsendian.h" +#include "sms-cards.h" + +DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); + +struct smsdvb_client_t { + struct list_head entry; + + struct smscore_device_t *coredev; + struct smscore_client_t *smsclient; + + struct dvb_adapter adapter; + struct dvb_demux demux; + struct dmxdev dmxdev; + struct dvb_frontend frontend; + + fe_status_t fe_status; + + struct completion tune_done; + + struct SMSHOSTLIB_STATISTICS_DVB_S sms_stat_dvb; + int event_fe_state; + int event_unc_state; +}; + +static struct list_head g_smsdvb_clients; +static struct mutex g_smsdvb_clientslock; + +static int sms_dbg; +module_param_named(debug, sms_dbg, int, 0644); +MODULE_PARM_DESC(debug, "set debug level (info=1, adv=2 (or-able))"); + +/* Events that may come from DVB v3 adapter */ +static void sms_board_dvb3_event(struct smsdvb_client_t *client, + enum SMS_DVB3_EVENTS event) { + + struct smscore_device_t *coredev = client->coredev; + switch (event) { + case DVB3_EVENT_INIT: + sms_debug("DVB3_EVENT_INIT"); + sms_board_event(coredev, BOARD_EVENT_BIND); + break; + case DVB3_EVENT_SLEEP: + sms_debug("DVB3_EVENT_SLEEP"); + sms_board_event(coredev, BOARD_EVENT_POWER_SUSPEND); + break; + case DVB3_EVENT_HOTPLUG: + sms_debug("DVB3_EVENT_HOTPLUG"); + sms_board_event(coredev, BOARD_EVENT_POWER_INIT); + break; + case DVB3_EVENT_FE_LOCK: + if (client->event_fe_state != DVB3_EVENT_FE_LOCK) { + client->event_fe_state = DVB3_EVENT_FE_LOCK; + sms_debug("DVB3_EVENT_FE_LOCK"); + sms_board_event(coredev, BOARD_EVENT_FE_LOCK); + } + break; + case DVB3_EVENT_FE_UNLOCK: + if (client->event_fe_state != DVB3_EVENT_FE_UNLOCK) { + client->event_fe_state = DVB3_EVENT_FE_UNLOCK; + sms_debug("DVB3_EVENT_FE_UNLOCK"); + sms_board_event(coredev, BOARD_EVENT_FE_UNLOCK); + } + break; + case DVB3_EVENT_UNC_OK: + if (client->event_unc_state != DVB3_EVENT_UNC_OK) { + client->event_unc_state = DVB3_EVENT_UNC_OK; + sms_debug("DVB3_EVENT_UNC_OK"); + sms_board_event(coredev, BOARD_EVENT_MULTIPLEX_OK); + } + break; + case DVB3_EVENT_UNC_ERR: + if (client->event_unc_state != DVB3_EVENT_UNC_ERR) { + client->event_unc_state = DVB3_EVENT_UNC_ERR; + sms_debug("DVB3_EVENT_UNC_ERR"); + sms_board_event(coredev, BOARD_EVENT_MULTIPLEX_ERRORS); + } + break; + + default: + sms_err("Unknown dvb3 api event"); + break; + } +} + + +static void smsdvb_update_dvb_stats(struct RECEPTION_STATISTICS_S *pReceptionData, + struct SMSHOSTLIB_STATISTICS_ST *p) +{ + if (sms_dbg & 2) { + printk(KERN_DEBUG "Reserved = %d", p->Reserved); + printk(KERN_DEBUG "IsRfLocked = %d", p->IsRfLocked); + printk(KERN_DEBUG "IsDemodLocked = %d", p->IsDemodLocked); + printk(KERN_DEBUG "IsExternalLNAOn = %d", p->IsExternalLNAOn); + printk(KERN_DEBUG "SNR = %d", p->SNR); + printk(KERN_DEBUG "BER = %d", p->BER); + printk(KERN_DEBUG "FIB_CRC = %d", p->FIB_CRC); + printk(KERN_DEBUG "TS_PER = %d", p->TS_PER); + printk(KERN_DEBUG "MFER = %d", p->MFER); + printk(KERN_DEBUG "RSSI = %d", p->RSSI); + printk(KERN_DEBUG "InBandPwr = %d", p->InBandPwr); + printk(KERN_DEBUG "CarrierOffset = %d", p->CarrierOffset); + printk(KERN_DEBUG "Frequency = %d", p->Frequency); + printk(KERN_DEBUG "Bandwidth = %d", p->Bandwidth); + printk(KERN_DEBUG "TransmissionMode = %d", p->TransmissionMode); + printk(KERN_DEBUG "ModemState = %d", p->ModemState); + printk(KERN_DEBUG "GuardInterval = %d", p->GuardInterval); + printk(KERN_DEBUG "CodeRate = %d", p->CodeRate); + printk(KERN_DEBUG "LPCodeRate = %d", p->LPCodeRate); + printk(KERN_DEBUG "Hierarchy = %d", p->Hierarchy); + printk(KERN_DEBUG "Constellation = %d", p->Constellation); + printk(KERN_DEBUG "BurstSize = %d", p->BurstSize); + printk(KERN_DEBUG "BurstDuration = %d", p->BurstDuration); + printk(KERN_DEBUG "BurstCycleTime = %d", p->BurstCycleTime); + printk(KERN_DEBUG "CalculatedBurstCycleTime = %d", p->CalculatedBurstCycleTime); + printk(KERN_DEBUG "NumOfRows = %d", p->NumOfRows); + printk(KERN_DEBUG "NumOfPaddCols = %d", p->NumOfPaddCols); + printk(KERN_DEBUG "NumOfPunctCols = %d", p->NumOfPunctCols); + printk(KERN_DEBUG "ErrorTSPackets = %d", p->ErrorTSPackets); + printk(KERN_DEBUG "TotalTSPackets = %d", p->TotalTSPackets); + printk(KERN_DEBUG "NumOfValidMpeTlbs = %d", p->NumOfValidMpeTlbs); + printk(KERN_DEBUG "NumOfInvalidMpeTlbs = %d", p->NumOfInvalidMpeTlbs); + printk(KERN_DEBUG "NumOfCorrectedMpeTlbs = %d", p->NumOfCorrectedMpeTlbs); + printk(KERN_DEBUG "BERErrorCount = %d", p->BERErrorCount); + printk(KERN_DEBUG "BERBitCount = %d", p->BERBitCount); + printk(KERN_DEBUG "SmsToHostTxErrors = %d", p->SmsToHostTxErrors); + printk(KERN_DEBUG "PreBER = %d", p->PreBER); + printk(KERN_DEBUG "CellId = %d", p->CellId); + printk(KERN_DEBUG "DvbhSrvIndHP = %d", p->DvbhSrvIndHP); + printk(KERN_DEBUG "DvbhSrvIndLP = %d", p->DvbhSrvIndLP); + printk(KERN_DEBUG "NumMPEReceived = %d", p->NumMPEReceived); + } + + pReceptionData->IsDemodLocked = p->IsDemodLocked; + + pReceptionData->SNR = p->SNR; + pReceptionData->BER = p->BER; + pReceptionData->BERErrorCount = p->BERErrorCount; + pReceptionData->InBandPwr = p->InBandPwr; + pReceptionData->ErrorTSPackets = p->ErrorTSPackets; +}; + + +static void smsdvb_update_isdbt_stats(struct RECEPTION_STATISTICS_S *pReceptionData, + struct SMSHOSTLIB_STATISTICS_ISDBT_ST *p) +{ + int i; + + if (sms_dbg & 2) { + printk(KERN_DEBUG "IsRfLocked = %d", p->IsRfLocked); + printk(KERN_DEBUG "IsDemodLocked = %d", p->IsDemodLocked); + printk(KERN_DEBUG "IsExternalLNAOn = %d", p->IsExternalLNAOn); + printk(KERN_DEBUG "SNR = %d", p->SNR); + printk(KERN_DEBUG "RSSI = %d", p->RSSI); + printk(KERN_DEBUG "InBandPwr = %d", p->InBandPwr); + printk(KERN_DEBUG "CarrierOffset = %d", p->CarrierOffset); + printk(KERN_DEBUG "Frequency = %d", p->Frequency); + printk(KERN_DEBUG "Bandwidth = %d", p->Bandwidth); + printk(KERN_DEBUG "TransmissionMode = %d", p->TransmissionMode); + printk(KERN_DEBUG "ModemState = %d", p->ModemState); + printk(KERN_DEBUG "GuardInterval = %d", p->GuardInterval); + printk(KERN_DEBUG "SystemType = %d", p->SystemType); + printk(KERN_DEBUG "PartialReception = %d", p->PartialReception); + printk(KERN_DEBUG "NumOfLayers = %d", p->NumOfLayers); + printk(KERN_DEBUG "SmsToHostTxErrors = %d", p->SmsToHostTxErrors); + + for (i = 0; i < 3; i++) { + printk(KERN_DEBUG "%d: CodeRate = %d", i, p->LayerInfo[i].CodeRate); + printk(KERN_DEBUG "%d: Constellation = %d", i, p->LayerInfo[i].Constellation); + printk(KERN_DEBUG "%d: BER = %d", i, p->LayerInfo[i].BER); + printk(KERN_DEBUG "%d: BERErrorCount = %d", i, p->LayerInfo[i].BERErrorCount); + printk(KERN_DEBUG "%d: BERBitCount = %d", i, p->LayerInfo[i].BERBitCount); + printk(KERN_DEBUG "%d: PreBER = %d", i, p->LayerInfo[i].PreBER); + printk(KERN_DEBUG "%d: TS_PER = %d", i, p->LayerInfo[i].TS_PER); + printk(KERN_DEBUG "%d: ErrorTSPackets = %d", i, p->LayerInfo[i].ErrorTSPackets); + printk(KERN_DEBUG "%d: TotalTSPackets = %d", i, p->LayerInfo[i].TotalTSPackets); + printk(KERN_DEBUG "%d: TILdepthI = %d", i, p->LayerInfo[i].TILdepthI); + printk(KERN_DEBUG "%d: NumberOfSegments = %d", i, p->LayerInfo[i].NumberOfSegments); + printk(KERN_DEBUG "%d: TMCCErrors = %d", i, p->LayerInfo[i].TMCCErrors); + } + } + + pReceptionData->IsDemodLocked = p->IsDemodLocked; + + pReceptionData->SNR = p->SNR; + pReceptionData->InBandPwr = p->InBandPwr; + + pReceptionData->ErrorTSPackets = 0; + pReceptionData->BER = 0; + pReceptionData->BERErrorCount = 0; + for (i = 0; i < 3; i++) { + pReceptionData->BER += p->LayerInfo[i].BER; + pReceptionData->BERErrorCount += p->LayerInfo[i].BERErrorCount; + pReceptionData->ErrorTSPackets += p->LayerInfo[i].ErrorTSPackets; + } +} + +static int smsdvb_onresponse(void *context, struct smscore_buffer_t *cb) +{ + struct smsdvb_client_t *client = (struct smsdvb_client_t *) context; + struct SmsMsgHdr_ST *phdr = (struct SmsMsgHdr_ST *) (((u8 *) cb->p) + + cb->offset); + u32 *pMsgData = (u32 *) phdr + 1; + /*u32 MsgDataLen = phdr->msgLength - sizeof(struct SmsMsgHdr_ST);*/ + bool is_status_update = false; + + smsendian_handle_rx_message((struct SmsMsgData_ST *) phdr); + + switch (phdr->msgType) { + case MSG_SMS_DVBT_BDA_DATA: + dvb_dmx_swfilter(&client->demux, (u8 *)(phdr + 1), + cb->size - sizeof(struct SmsMsgHdr_ST)); + break; + + case MSG_SMS_RF_TUNE_RES: + case MSG_SMS_ISDBT_TUNE_RES: + complete(&client->tune_done); + break; + + case MSG_SMS_SIGNAL_DETECTED_IND: + sms_info("MSG_SMS_SIGNAL_DETECTED_IND"); + client->sms_stat_dvb.TransmissionData.IsDemodLocked = true; + is_status_update = true; + break; + + case MSG_SMS_NO_SIGNAL_IND: + sms_info("MSG_SMS_NO_SIGNAL_IND"); + client->sms_stat_dvb.TransmissionData.IsDemodLocked = false; + is_status_update = true; + break; + + case MSG_SMS_TRANSMISSION_IND: { + sms_info("MSG_SMS_TRANSMISSION_IND"); + + pMsgData++; + memcpy(&client->sms_stat_dvb.TransmissionData, pMsgData, + sizeof(struct TRANSMISSION_STATISTICS_S)); + + /* Mo need to correct guard interval + * (as opposed to old statistics message). + */ + CORRECT_STAT_BANDWIDTH(client->sms_stat_dvb.TransmissionData); + CORRECT_STAT_TRANSMISSON_MODE( + client->sms_stat_dvb.TransmissionData); + is_status_update = true; + break; + } + case MSG_SMS_HO_PER_SLICES_IND: { + struct RECEPTION_STATISTICS_S *pReceptionData = + &client->sms_stat_dvb.ReceptionData; + struct SRVM_SIGNAL_STATUS_S SignalStatusData; + + /*sms_info("MSG_SMS_HO_PER_SLICES_IND");*/ + pMsgData++; + SignalStatusData.result = pMsgData[0]; + SignalStatusData.snr = pMsgData[1]; + SignalStatusData.inBandPower = (s32) pMsgData[2]; + SignalStatusData.tsPackets = pMsgData[3]; + SignalStatusData.etsPackets = pMsgData[4]; + SignalStatusData.constellation = pMsgData[5]; + SignalStatusData.hpCode = pMsgData[6]; + SignalStatusData.tpsSrvIndLP = pMsgData[7] & 0x03; + SignalStatusData.tpsSrvIndHP = pMsgData[8] & 0x03; + SignalStatusData.cellId = pMsgData[9] & 0xFFFF; + SignalStatusData.reason = pMsgData[10]; + SignalStatusData.requestId = pMsgData[11]; + pReceptionData->IsRfLocked = pMsgData[16]; + pReceptionData->IsDemodLocked = pMsgData[17]; + pReceptionData->ModemState = pMsgData[12]; + pReceptionData->SNR = pMsgData[1]; + pReceptionData->BER = pMsgData[13]; + pReceptionData->RSSI = pMsgData[14]; + CORRECT_STAT_RSSI(client->sms_stat_dvb.ReceptionData); + + pReceptionData->InBandPwr = (s32) pMsgData[2]; + pReceptionData->CarrierOffset = (s32) pMsgData[15]; + pReceptionData->TotalTSPackets = pMsgData[3]; + pReceptionData->ErrorTSPackets = pMsgData[4]; + + /* TS PER */ + if ((SignalStatusData.tsPackets + SignalStatusData.etsPackets) + > 0) { + pReceptionData->TS_PER = (SignalStatusData.etsPackets + * 100) / (SignalStatusData.tsPackets + + SignalStatusData.etsPackets); + } else { + pReceptionData->TS_PER = 0; + } + + pReceptionData->BERBitCount = pMsgData[18]; + pReceptionData->BERErrorCount = pMsgData[19]; + + pReceptionData->MRC_SNR = pMsgData[20]; + pReceptionData->MRC_InBandPwr = pMsgData[21]; + pReceptionData->MRC_RSSI = pMsgData[22]; + + is_status_update = true; + break; + } + case MSG_SMS_GET_STATISTICS_RES: { + union { + struct SMSHOSTLIB_STATISTICS_ISDBT_ST isdbt; + struct SmsMsgStatisticsInfo_ST dvb; + } *p = (void *) (phdr + 1); + struct RECEPTION_STATISTICS_S *pReceptionData = + &client->sms_stat_dvb.ReceptionData; + + sms_info("MSG_SMS_GET_STATISTICS_RES"); + + is_status_update = true; + + switch (smscore_get_device_mode(client->coredev)) { + case DEVICE_MODE_ISDBT: + case DEVICE_MODE_ISDBT_BDA: + smsdvb_update_isdbt_stats(pReceptionData, &p->isdbt); + break; + default: + smsdvb_update_dvb_stats(pReceptionData, &p->dvb.Stat); + } + if (!pReceptionData->IsDemodLocked) { + pReceptionData->SNR = 0; + pReceptionData->BER = 0; + pReceptionData->BERErrorCount = 0; + pReceptionData->InBandPwr = 0; + pReceptionData->ErrorTSPackets = 0; + } + + complete(&client->tune_done); + break; + } + default: + sms_info("Unhandled message %d", phdr->msgType); + + } + smscore_putbuffer(client->coredev, cb); + + if (is_status_update) { + if (client->sms_stat_dvb.ReceptionData.IsDemodLocked) { + client->fe_status = FE_HAS_SIGNAL | FE_HAS_CARRIER + | FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK; + sms_board_dvb3_event(client, DVB3_EVENT_FE_LOCK); + if (client->sms_stat_dvb.ReceptionData.ErrorTSPackets + == 0) + sms_board_dvb3_event(client, DVB3_EVENT_UNC_OK); + else + sms_board_dvb3_event(client, + DVB3_EVENT_UNC_ERR); + + } else { + if (client->sms_stat_dvb.ReceptionData.IsRfLocked) + client->fe_status = FE_HAS_SIGNAL | FE_HAS_CARRIER; + else + client->fe_status = 0; + sms_board_dvb3_event(client, DVB3_EVENT_FE_UNLOCK); + } + } + + return 0; +} + +static void smsdvb_unregister_client(struct smsdvb_client_t *client) +{ + /* must be called under clientslock */ + + list_del(&client->entry); + + smscore_unregister_client(client->smsclient); + dvb_unregister_frontend(&client->frontend); + dvb_dmxdev_release(&client->dmxdev); + dvb_dmx_release(&client->demux); + dvb_unregister_adapter(&client->adapter); + kfree(client); +} + +static void smsdvb_onremove(void *context) +{ + kmutex_lock(&g_smsdvb_clientslock); + + smsdvb_unregister_client((struct smsdvb_client_t *) context); + + kmutex_unlock(&g_smsdvb_clientslock); +} + +static int smsdvb_start_feed(struct dvb_demux_feed *feed) +{ + struct smsdvb_client_t *client = + container_of(feed->demux, struct smsdvb_client_t, demux); + struct SmsMsgData_ST PidMsg; + + sms_debug("add pid %d(%x)", + feed->pid, feed->pid); + + PidMsg.xMsgHeader.msgSrcId = DVBT_BDA_CONTROL_MSG_ID; + PidMsg.xMsgHeader.msgDstId = HIF_TASK; + PidMsg.xMsgHeader.msgFlags = 0; + PidMsg.xMsgHeader.msgType = MSG_SMS_ADD_PID_FILTER_REQ; + PidMsg.xMsgHeader.msgLength = sizeof(PidMsg); + PidMsg.msgData[0] = feed->pid; + + smsendian_handle_tx_message((struct SmsMsgHdr_ST *)&PidMsg); + return smsclient_sendrequest(client->smsclient, + &PidMsg, sizeof(PidMsg)); +} + +static int smsdvb_stop_feed(struct dvb_demux_feed *feed) +{ + struct smsdvb_client_t *client = + container_of(feed->demux, struct smsdvb_client_t, demux); + struct SmsMsgData_ST PidMsg; + + sms_debug("remove pid %d(%x)", + feed->pid, feed->pid); + + PidMsg.xMsgHeader.msgSrcId = DVBT_BDA_CONTROL_MSG_ID; + PidMsg.xMsgHeader.msgDstId = HIF_TASK; + PidMsg.xMsgHeader.msgFlags = 0; + PidMsg.xMsgHeader.msgType = MSG_SMS_REMOVE_PID_FILTER_REQ; + PidMsg.xMsgHeader.msgLength = sizeof(PidMsg); + PidMsg.msgData[0] = feed->pid; + + smsendian_handle_tx_message((struct SmsMsgHdr_ST *)&PidMsg); + return smsclient_sendrequest(client->smsclient, + &PidMsg, sizeof(PidMsg)); +} + +static int smsdvb_sendrequest_and_wait(struct smsdvb_client_t *client, + void *buffer, size_t size, + struct completion *completion) +{ + int rc; + + smsendian_handle_tx_message((struct SmsMsgHdr_ST *)buffer); + rc = smsclient_sendrequest(client->smsclient, buffer, size); + if (rc < 0) + return rc; + + return wait_for_completion_timeout(completion, + msecs_to_jiffies(2000)) ? + 0 : -ETIME; +} + +static int smsdvb_send_statistics_request(struct smsdvb_client_t *client) +{ + int rc; + struct SmsMsgHdr_ST Msg = { MSG_SMS_GET_STATISTICS_REQ, + DVBT_BDA_CONTROL_MSG_ID, + HIF_TASK, + sizeof(struct SmsMsgHdr_ST), 0 }; + + rc = smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg), + &client->tune_done); + + return rc; +} + +static inline int led_feedback(struct smsdvb_client_t *client) +{ + if (client->fe_status & FE_HAS_LOCK) + return sms_board_led_feedback(client->coredev, + (client->sms_stat_dvb.ReceptionData.BER + == 0) ? SMS_LED_HI : SMS_LED_LO); + else + return sms_board_led_feedback(client->coredev, SMS_LED_OFF); +} + +static int smsdvb_read_status(struct dvb_frontend *fe, fe_status_t *stat) +{ + int rc; + struct smsdvb_client_t *client; + client = container_of(fe, struct smsdvb_client_t, frontend); + + rc = smsdvb_send_statistics_request(client); + + *stat = client->fe_status; + + led_feedback(client); + + return rc; +} + +static int smsdvb_read_ber(struct dvb_frontend *fe, u32 *ber) +{ + int rc; + struct smsdvb_client_t *client; + client = container_of(fe, struct smsdvb_client_t, frontend); + + rc = smsdvb_send_statistics_request(client); + + *ber = client->sms_stat_dvb.ReceptionData.BER; + + led_feedback(client); + + return rc; +} + +static int smsdvb_read_signal_strength(struct dvb_frontend *fe, u16 *strength) +{ + int rc; + + struct smsdvb_client_t *client; + client = container_of(fe, struct smsdvb_client_t, frontend); + + rc = smsdvb_send_statistics_request(client); + + if (client->sms_stat_dvb.ReceptionData.InBandPwr < -95) + *strength = 0; + else if (client->sms_stat_dvb.ReceptionData.InBandPwr > -29) + *strength = 100; + else + *strength = + (client->sms_stat_dvb.ReceptionData.InBandPwr + + 95) * 3 / 2; + + led_feedback(client); + + return rc; +} + +static int smsdvb_read_snr(struct dvb_frontend *fe, u16 *snr) +{ + int rc; + struct smsdvb_client_t *client; + client = container_of(fe, struct smsdvb_client_t, frontend); + + rc = smsdvb_send_statistics_request(client); + + *snr = client->sms_stat_dvb.ReceptionData.SNR; + + led_feedback(client); + + return rc; +} + +static int smsdvb_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks) +{ + int rc; + struct smsdvb_client_t *client; + client = container_of(fe, struct smsdvb_client_t, frontend); + + rc = smsdvb_send_statistics_request(client); + + *ucblocks = client->sms_stat_dvb.ReceptionData.ErrorTSPackets; + + led_feedback(client); + + return rc; +} + +static int smsdvb_get_tune_settings(struct dvb_frontend *fe, + struct dvb_frontend_tune_settings *tune) +{ + sms_debug(""); + + tune->min_delay_ms = 400; + tune->step_size = 250000; + tune->max_drift = 0; + return 0; +} + +static int smsdvb_dvbt_set_frontend(struct dvb_frontend *fe) +{ + struct dtv_frontend_properties *c = &fe->dtv_property_cache; + struct smsdvb_client_t *client = + container_of(fe, struct smsdvb_client_t, frontend); + + struct { + struct SmsMsgHdr_ST Msg; + u32 Data[3]; + } Msg; + + int ret; + + client->fe_status = FE_HAS_SIGNAL; + client->event_fe_state = -1; + client->event_unc_state = -1; + fe->dtv_property_cache.delivery_system = SYS_DVBT; + + Msg.Msg.msgSrcId = DVBT_BDA_CONTROL_MSG_ID; + Msg.Msg.msgDstId = HIF_TASK; + Msg.Msg.msgFlags = 0; + Msg.Msg.msgType = MSG_SMS_RF_TUNE_REQ; + Msg.Msg.msgLength = sizeof(Msg); + Msg.Data[0] = c->frequency; + Msg.Data[2] = 12000000; + + sms_info("%s: freq %d band %d", __func__, c->frequency, + c->bandwidth_hz); + + switch (c->bandwidth_hz / 1000000) { + case 8: + Msg.Data[1] = BW_8_MHZ; + break; + case 7: + Msg.Data[1] = BW_7_MHZ; + break; + case 6: + Msg.Data[1] = BW_6_MHZ; + break; + case 0: + return -EOPNOTSUPP; + default: + return -EINVAL; + } + /* Disable LNA, if any. An error is returned if no LNA is present */ + ret = sms_board_lna_control(client->coredev, 0); + if (ret == 0) { + fe_status_t status; + + /* tune with LNA off at first */ + ret = smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg), + &client->tune_done); + + smsdvb_read_status(fe, &status); + + if (status & FE_HAS_LOCK) + return ret; + + /* previous tune didn't lock - enable LNA and tune again */ + sms_board_lna_control(client->coredev, 1); + } + + return smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg), + &client->tune_done); +} + +static int smsdvb_isdbt_set_frontend(struct dvb_frontend *fe) +{ + struct dtv_frontend_properties *c = &fe->dtv_property_cache; + struct smsdvb_client_t *client = + container_of(fe, struct smsdvb_client_t, frontend); + + struct { + struct SmsMsgHdr_ST Msg; + u32 Data[4]; + } Msg; + + fe->dtv_property_cache.delivery_system = SYS_ISDBT; + + Msg.Msg.msgSrcId = DVBT_BDA_CONTROL_MSG_ID; + Msg.Msg.msgDstId = HIF_TASK; + Msg.Msg.msgFlags = 0; + Msg.Msg.msgType = MSG_SMS_ISDBT_TUNE_REQ; + Msg.Msg.msgLength = sizeof(Msg); + + if (c->isdbt_sb_segment_idx == -1) + c->isdbt_sb_segment_idx = 0; + + switch (c->isdbt_sb_segment_count) { + case 3: + Msg.Data[1] = BW_ISDBT_3SEG; + break; + case 1: + Msg.Data[1] = BW_ISDBT_1SEG; + break; + case 0: /* AUTO */ + switch (c->bandwidth_hz / 1000000) { + case 8: + case 7: + c->isdbt_sb_segment_count = 3; + Msg.Data[1] = BW_ISDBT_3SEG; + break; + case 6: + c->isdbt_sb_segment_count = 1; + Msg.Data[1] = BW_ISDBT_1SEG; + break; + default: /* Assumes 6 MHZ bw */ + c->isdbt_sb_segment_count = 1; + c->bandwidth_hz = 6000; + Msg.Data[1] = BW_ISDBT_1SEG; + break; + } + break; + default: + sms_info("Segment count %d not supported", c->isdbt_sb_segment_count); + return -EINVAL; + } + + Msg.Data[0] = c->frequency; + Msg.Data[2] = 12000000; + Msg.Data[3] = c->isdbt_sb_segment_idx; + + sms_info("%s: freq %d segwidth %d segindex %d\n", __func__, + c->frequency, c->isdbt_sb_segment_count, + c->isdbt_sb_segment_idx); + + return smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg), + &client->tune_done); +} + +static int smsdvb_set_frontend(struct dvb_frontend *fe) +{ + struct smsdvb_client_t *client = + container_of(fe, struct smsdvb_client_t, frontend); + struct smscore_device_t *coredev = client->coredev; + + switch (smscore_get_device_mode(coredev)) { + case DEVICE_MODE_DVBT: + case DEVICE_MODE_DVBT_BDA: + return smsdvb_dvbt_set_frontend(fe); + case DEVICE_MODE_ISDBT: + case DEVICE_MODE_ISDBT_BDA: + return smsdvb_isdbt_set_frontend(fe); + default: + return -EINVAL; + } +} + +static int smsdvb_get_frontend(struct dvb_frontend *fe) +{ + struct dtv_frontend_properties *fep = &fe->dtv_property_cache; + struct smsdvb_client_t *client = + container_of(fe, struct smsdvb_client_t, frontend); + struct smscore_device_t *coredev = client->coredev; + struct TRANSMISSION_STATISTICS_S *td = + &client->sms_stat_dvb.TransmissionData; + + switch (smscore_get_device_mode(coredev)) { + case DEVICE_MODE_DVBT: + case DEVICE_MODE_DVBT_BDA: + fep->frequency = td->Frequency; + + switch (td->Bandwidth) { + case 6: + fep->bandwidth_hz = 6000000; + break; + case 7: + fep->bandwidth_hz = 7000000; + break; + case 8: + fep->bandwidth_hz = 8000000; + break; + } + + switch (td->TransmissionMode) { + case 2: + fep->transmission_mode = TRANSMISSION_MODE_2K; + break; + case 8: + fep->transmission_mode = TRANSMISSION_MODE_8K; + } + + switch (td->GuardInterval) { + case 0: + fep->guard_interval = GUARD_INTERVAL_1_32; + break; + case 1: + fep->guard_interval = GUARD_INTERVAL_1_16; + break; + case 2: + fep->guard_interval = GUARD_INTERVAL_1_8; + break; + case 3: + fep->guard_interval = GUARD_INTERVAL_1_4; + break; + } + + switch (td->CodeRate) { + case 0: + fep->code_rate_HP = FEC_1_2; + break; + case 1: + fep->code_rate_HP = FEC_2_3; + break; + case 2: + fep->code_rate_HP = FEC_3_4; + break; + case 3: + fep->code_rate_HP = FEC_5_6; + break; + case 4: + fep->code_rate_HP = FEC_7_8; + break; + } + + switch (td->LPCodeRate) { + case 0: + fep->code_rate_LP = FEC_1_2; + break; + case 1: + fep->code_rate_LP = FEC_2_3; + break; + case 2: + fep->code_rate_LP = FEC_3_4; + break; + case 3: + fep->code_rate_LP = FEC_5_6; + break; + case 4: + fep->code_rate_LP = FEC_7_8; + break; + } + + switch (td->Constellation) { + case 0: + fep->modulation = QPSK; + break; + case 1: + fep->modulation = QAM_16; + break; + case 2: + fep->modulation = QAM_64; + break; + } + + switch (td->Hierarchy) { + case 0: + fep->hierarchy = HIERARCHY_NONE; + break; + case 1: + fep->hierarchy = HIERARCHY_1; + break; + case 2: + fep->hierarchy = HIERARCHY_2; + break; + case 3: + fep->hierarchy = HIERARCHY_4; + break; + } + + fep->inversion = INVERSION_AUTO; + break; + case DEVICE_MODE_ISDBT: + case DEVICE_MODE_ISDBT_BDA: + fep->frequency = td->Frequency; + fep->bandwidth_hz = 6000000; + /* todo: retrive the other parameters */ + break; + default: + return -EINVAL; + } + + return 0; +} + +static int smsdvb_init(struct dvb_frontend *fe) +{ + struct smsdvb_client_t *client = + container_of(fe, struct smsdvb_client_t, frontend); + + sms_board_power(client->coredev, 1); + + sms_board_dvb3_event(client, DVB3_EVENT_INIT); + return 0; +} + +static int smsdvb_sleep(struct dvb_frontend *fe) +{ + struct smsdvb_client_t *client = + container_of(fe, struct smsdvb_client_t, frontend); + + sms_board_led_feedback(client->coredev, SMS_LED_OFF); + sms_board_power(client->coredev, 0); + + sms_board_dvb3_event(client, DVB3_EVENT_SLEEP); + + return 0; +} + +static void smsdvb_release(struct dvb_frontend *fe) +{ + /* do nothing */ +} + +static struct dvb_frontend_ops smsdvb_fe_ops = { + .info = { + .name = "Siano Mobile Digital MDTV Receiver", + .frequency_min = 44250000, + .frequency_max = 867250000, + .frequency_stepsize = 250000, + .caps = FE_CAN_INVERSION_AUTO | + FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 | + FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO | + FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_QAM_64 | + FE_CAN_QAM_AUTO | FE_CAN_TRANSMISSION_MODE_AUTO | + FE_CAN_GUARD_INTERVAL_AUTO | + FE_CAN_RECOVER | + FE_CAN_HIERARCHY_AUTO, + }, + + .release = smsdvb_release, + + .set_frontend = smsdvb_set_frontend, + .get_frontend = smsdvb_get_frontend, + .get_tune_settings = smsdvb_get_tune_settings, + + .read_status = smsdvb_read_status, + .read_ber = smsdvb_read_ber, + .read_signal_strength = smsdvb_read_signal_strength, + .read_snr = smsdvb_read_snr, + .read_ucblocks = smsdvb_read_ucblocks, + + .init = smsdvb_init, + .sleep = smsdvb_sleep, +}; + +static int smsdvb_hotplug(struct smscore_device_t *coredev, + struct device *device, int arrival) +{ + struct smsclient_params_t params; + struct smsdvb_client_t *client; + int rc; + + /* device removal handled by onremove callback */ + if (!arrival) + return 0; + client = kzalloc(sizeof(struct smsdvb_client_t), GFP_KERNEL); + if (!client) { + sms_err("kmalloc() failed"); + return -ENOMEM; + } + + /* register dvb adapter */ + rc = dvb_register_adapter(&client->adapter, + sms_get_board( + smscore_get_board_id(coredev))->name, + THIS_MODULE, device, adapter_nr); + if (rc < 0) { + sms_err("dvb_register_adapter() failed %d", rc); + goto adapter_error; + } + + /* init dvb demux */ + client->demux.dmx.capabilities = DMX_TS_FILTERING; + client->demux.filternum = 32; /* todo: nova ??? */ + client->demux.feednum = 32; + client->demux.start_feed = smsdvb_start_feed; + client->demux.stop_feed = smsdvb_stop_feed; + + rc = dvb_dmx_init(&client->demux); + if (rc < 0) { + sms_err("dvb_dmx_init failed %d", rc); + goto dvbdmx_error; + } + + /* init dmxdev */ + client->dmxdev.filternum = 32; + client->dmxdev.demux = &client->demux.dmx; + client->dmxdev.capabilities = 0; + + rc = dvb_dmxdev_init(&client->dmxdev, &client->adapter); + if (rc < 0) { + sms_err("dvb_dmxdev_init failed %d", rc); + goto dmxdev_error; + } + + /* init and register frontend */ + memcpy(&client->frontend.ops, &smsdvb_fe_ops, + sizeof(struct dvb_frontend_ops)); + + switch (smscore_get_device_mode(coredev)) { + case DEVICE_MODE_DVBT: + case DEVICE_MODE_DVBT_BDA: + client->frontend.ops.delsys[0] = SYS_DVBT; + break; + case DEVICE_MODE_ISDBT: + case DEVICE_MODE_ISDBT_BDA: + client->frontend.ops.delsys[0] = SYS_ISDBT; + break; + } + + rc = dvb_register_frontend(&client->adapter, &client->frontend); + if (rc < 0) { + sms_err("frontend registration failed %d", rc); + goto frontend_error; + } + + params.initial_id = 1; + params.data_type = MSG_SMS_DVBT_BDA_DATA; + params.onresponse_handler = smsdvb_onresponse; + params.onremove_handler = smsdvb_onremove; + params.context = client; + + rc = smscore_register_client(coredev, ¶ms, &client->smsclient); + if (rc < 0) { + sms_err("smscore_register_client() failed %d", rc); + goto client_error; + } + + client->coredev = coredev; + + init_completion(&client->tune_done); + + kmutex_lock(&g_smsdvb_clientslock); + + list_add(&client->entry, &g_smsdvb_clients); + + kmutex_unlock(&g_smsdvb_clientslock); + + client->event_fe_state = -1; + client->event_unc_state = -1; + sms_board_dvb3_event(client, DVB3_EVENT_HOTPLUG); + + sms_info("success"); + sms_board_setup(coredev); + + return 0; + +client_error: + dvb_unregister_frontend(&client->frontend); + +frontend_error: + dvb_dmxdev_release(&client->dmxdev); + +dmxdev_error: + dvb_dmx_release(&client->demux); + +dvbdmx_error: + dvb_unregister_adapter(&client->adapter); + +adapter_error: + kfree(client); + return rc; +} + +static int __init smsdvb_module_init(void) +{ + int rc; + + INIT_LIST_HEAD(&g_smsdvb_clients); + kmutex_init(&g_smsdvb_clientslock); + + rc = smscore_register_hotplug(smsdvb_hotplug); + + sms_debug(""); + + return rc; +} + +static void __exit smsdvb_module_exit(void) +{ + smscore_unregister_hotplug(smsdvb_hotplug); + + kmutex_lock(&g_smsdvb_clientslock); + + while (!list_empty(&g_smsdvb_clients)) + smsdvb_unregister_client( + (struct smsdvb_client_t *) g_smsdvb_clients.next); + + kmutex_unlock(&g_smsdvb_clientslock); +} + +module_init(smsdvb_module_init); +module_exit(smsdvb_module_exit); + +MODULE_DESCRIPTION("SMS DVB subsystem adaptation module"); +MODULE_AUTHOR("Siano Mobile Silicon, Inc. (uris@siano-ms.com)"); +MODULE_LICENSE("GPL"); |
