+/**
+ * @brief Fill SIB1 configuration
+ *
+ * @details
+ *
+ * Function : fillSchSib1Cfg
+ *
+ * Fill SIB1 configuration
+ *
+ * @param[in] Inst schInst : scheduler instance
+ * SchSib1Cfg *sib1SchCfg : cfg to be filled
+ * uint16_t pci : physical cell Id
+ * uint8_t offsetPointA : offset
+ * @return void
+ **/
+void fillSchSib1Cfg(Inst schInst, SchSib1Cfg *sib1SchCfg, uint16_t pci, \
+ uint8_t offsetPointA)
+{
+ uint8_t coreset0Idx = 0;
+ uint8_t searchSpace0Idx = 0;
+ //uint8_t ssbMuxPattern = 0;
+ uint8_t numRbs = 0;
+ uint8_t numSymbols = 0;
+ uint8_t offset = 0;
+ uint8_t oValue = 0;
+ //uint8_t numSearchSpacePerSlot = 0;
+ uint8_t mValue = 0;
+ uint8_t firstSymbol = 0; /* need to calculate using formula mentioned in 38.213 */
+ uint8_t slotIndex = 0;
+ uint8_t FreqDomainResource[6] = {0};
+ uint16_t tbSize = 0;
+ uint8_t numPdschSymbols = 12; /* considering pdsch region from 2 to 13 */
+
+ PdcchCfg *pdcch = &(sib1SchCfg->sib1PdcchCfg);
+ PdschCfg *pdsch = &(sib1SchCfg->sib1PdschCfg);
+ BwpCfg *bwp = &(sib1SchCfg->bwp);
+
+ coreset0Idx = sib1SchCfg->coresetZeroIndex;
+ searchSpace0Idx = sib1SchCfg->searchSpaceZeroIndex;
+
+ /* derive the sib1 coreset0 params from table 13-1 spec 38.213 */
+ //ssbMuxPattern = coresetIdxTable[coreset0Idx][0];
+ numRbs = coresetIdxTable[coreset0Idx][1];
+ numSymbols = coresetIdxTable[coreset0Idx][2];
+ offset = coresetIdxTable[coreset0Idx][3];
+
+ /* derive the search space params from table 13-11 spec 38.213 */
+ oValue = searchSpaceIdxTable[searchSpace0Idx][0];
+ //numSearchSpacePerSlot = searchSpaceIdxTable[searchSpace0Idx][1];
+ mValue = searchSpaceIdxTable[searchSpace0Idx][2];
+ firstSymbol = searchSpaceIdxTable[searchSpace0Idx][3];
+
+ /* calculate the n0, need to add the formulae, as of now the value is 0
+ * Need to add the even and odd values of i during configuration
+ * [(O . 2^u + i . M ) ] mod numSlotsPerSubframe
+ * assuming u = 0, i = 0, numSlotsPerSubframe = 10
+ * Also, from this configuration, coreset0 is only on even subframe */
+ slotIndex = ((oValue * 1) + (0 * mValue)) % 10;
+ sib1SchCfg->n0 = slotIndex;
+
+ /* calculate the PRBs */
+ schAllocFreqDomRscType0(((offsetPointA-offset)/6), (numRbs/6), FreqDomainResource);
+
+ /* fill BWP */
+ bwp->freqAlloc.numPrb = MAX_NUM_RB; /* whole of BW */
+ bwp->freqAlloc.startPrb = 0;
+ bwp->subcarrierSpacing = 0; /* 15Khz */
+ bwp->cyclicPrefix = 0; /* normal */
+
+ /* fill the PDCCH PDU */
+ pdcch->coreset0Cfg.coreSetSize = numRbs;
+ pdcch->coreset0Cfg.startSymbolIndex = firstSymbol;
+ pdcch->coreset0Cfg.durationSymbols = numSymbols;
+ memcpy(pdcch->coreset0Cfg.freqDomainResource,FreqDomainResource,6);
+ pdcch->coreset0Cfg.cceRegMappingType = 1; /* coreset0 is always interleaved */
+ pdcch->coreset0Cfg.regBundleSize = 6; /* spec-38.211 sec 7.3.2.2 */
+ pdcch->coreset0Cfg.interleaverSize = 2; /* spec-38.211 sec 7.3.2.2 */
+ pdcch->coreset0Cfg.coreSetType = 0;
+ pdcch->coreset0Cfg.shiftIndex = pci;
+ pdcch->coreset0Cfg.precoderGranularity = 0; /* sameAsRegBundle */
+ pdcch->numDlDci = 1;
+ pdcch->dci.rnti = SI_RNTI;
+ pdcch->dci.scramblingId = pci;
+ pdcch->dci.scramblingRnti = 0;
+ pdcch->dci.cceIndex = 0;
+ pdcch->dci.aggregLevel = 4;
+ pdcch->dci.beamPdcchInfo.numPrgs = 1;
+ pdcch->dci.beamPdcchInfo.prgSize = 1;
+ pdcch->dci.beamPdcchInfo.digBfInterfaces = 0;
+ pdcch->dci.beamPdcchInfo.prg[0].pmIdx = 0;
+ pdcch->dci.beamPdcchInfo.prg[0].beamIdx[0] = 0;
+ pdcch->dci.txPdcchPower.powerValue = 0;
+ pdcch->dci.txPdcchPower.powerControlOffsetSS = 0;
+ /* Storing pdschCfg pointer here. Required to access pdsch config while
+ fillig up pdcch pdu */
+ pdcch->dci.pdschCfg = pdsch;
+
+ /* fill the PDSCH PDU */
+ uint8_t cwCount = 0;
+ pdsch->pduBitmap = 0; /* PTRS and CBG params are excluded */
+ pdsch->rnti = 0xFFFF; /* SI-RNTI */
+ pdsch->pduIndex = 0;
+ pdsch->numCodewords = 1;
+ for(cwCount = 0; cwCount < pdsch->numCodewords; cwCount++)
+ {
+ pdsch->codeword[cwCount].targetCodeRate = 308;
+ pdsch->codeword[cwCount].qamModOrder = 2;
+ pdsch->codeword[cwCount].mcsIndex = sib1SchCfg->sib1Mcs;
+ pdsch->codeword[cwCount].mcsTable = 0; /* notqam256 */
+ pdsch->codeword[cwCount].rvIndex = 0;
+ tbSize = schCalcTbSize(sib1SchCfg->sib1PduLen);
+ pdsch->codeword[cwCount].tbSize = tbSize;
+ }
+ pdsch->dataScramblingId = pci;
+ pdsch->numLayers = 1;
+ pdsch->transmissionScheme = 0;
+ pdsch->refPoint = 0;
+ pdsch->dmrs.dlDmrsSymbPos = 2;
+ pdsch->dmrs.dmrsConfigType = 0; /* type-1 */
+ pdsch->dmrs.dlDmrsScramblingId = pci;
+ pdsch->dmrs.scid = 0;
+ pdsch->dmrs.numDmrsCdmGrpsNoData = 1;
+ pdsch->dmrs.dmrsPorts = 0;
+ pdsch->dmrs.mappingType = DMRS_MAP_TYPE_A; /* Type-A */
+ pdsch->dmrs.nrOfDmrsSymbols = NUM_DMRS_SYMBOLS;
+ pdsch->dmrs.dmrsAddPos = DMRS_ADDITIONAL_POS;
+
+ pdsch->pdschFreqAlloc.resourceAllocType = 1; /* RAT type-1 RIV format */
+ pdsch->pdschFreqAlloc.freqAlloc.startPrb = offset + SCH_SSB_NUM_PRB; /* the RB numbering starts from coreset0,
+ and PDSCH is always above SSB */
+ pdsch->pdschFreqAlloc.freqAlloc.numPrb = schCalcNumPrb(tbSize,sib1SchCfg->sib1Mcs,numPdschSymbols);
+ pdsch->pdschFreqAlloc.vrbPrbMapping = 0; /* non-interleaved */
+ pdsch->pdschTimeAlloc.rowIndex = 1;
+ pdsch->pdschTimeAlloc.timeAlloc.startSymb = 2; /* spec-38.214, Table 5.1.2.1-1 */
+ pdsch->pdschTimeAlloc.timeAlloc.numSymb = numPdschSymbols;
+ pdsch->beamPdschInfo.numPrgs = 1;
+ pdsch->beamPdschInfo.prgSize = 1;
+ pdsch->beamPdschInfo.digBfInterfaces = 0;
+ pdsch->beamPdschInfo.prg[0].pmIdx = 0;
+ pdsch->beamPdschInfo.prg[0].beamIdx[0] = 0;
+ pdsch->txPdschPower.powerControlOffset = 0;
+ pdsch->txPdschPower.powerControlOffsetSS = 0;
+
+}
+
+/**
+ * @brief Fill SSB start symbol
+ *
+ * @details
+ *
+ * Function : fillSsbStartSymb
+ *
+ * This API stores SSB start index per beam
+ *
+ * @param[in] SchCellCb *cellCb
+ * @return int
+ * -# ROK
+ * -# RFAILED
+ **/
+void fillSsbStartSymb(SchCellCb *cellCb)
+{
+ uint8_t cnt, scs;
+
+ scs = cellCb->cellCfg.ssbSchCfg.scsCommon;
+ uint8_t ssbStartSymbArr[SCH_MAX_SSB_BEAM];
+
+ memset(ssbStartSymbArr, 0, sizeof(SCH_MAX_SSB_BEAM));
+ /* Determine value of "n" based on Section 4.1 of 3GPP TS 38.213 */
+ switch(scs)
+ {
+ case SCH_SCS_15KHZ:
+ {
+ uint8_t symbIdx=0;
+ cnt = 2;/* n = 0, 1 for SCS = 15KHz */
+ for(uint8_t idx=0; idx<cnt; idx++)
+ {
+ /* start symbol determined using {2, 8} + 14n */
+ ssbStartSymbArr[symbIdx++] = 2 + SCH_SYMBOL_PER_SLOT*idx;
+ ssbStartSymbArr[symbIdx++] = 8 + SCH_SYMBOL_PER_SLOT*idx;
+ }
+ }
+ break;
+ default:
+ DU_LOG("\nSCS %d is currently not supported", scs);
+ }
+ memset(cellCb->ssbStartSymbArr, 0, sizeof(SCH_MAX_SSB_BEAM));
+ memcpy(cellCb->ssbStartSymbArr, ssbStartSymbArr, SCH_MAX_SSB_BEAM);
+
+}
+