/* * Reads EEPROM header info from device structure and programs * all rf registers * * REQUIRES: Access to the analog rf device */ static HAL_BOOL ar2316SetRfRegs(struct ath_hal *ah, const struct ieee80211_channel *chan, uint16_t modesIndex, uint16_t *rfXpdGain) { #define RF_BANK_SETUP(_priv, _ix, _col) do { \ int i; \ for (i = 0; i < N(ar5212Bank##_ix##_2316); i++) \ (_priv)->Bank##_ix##Data[i] = ar5212Bank##_ix##_2316[i][_col];\ } while (0) struct ath_hal_5212 *ahp = AH5212(ah); const HAL_EEPROM *ee = AH_PRIVATE(ah)->ah_eeprom; uint16_t ob2GHz = 0, db2GHz = 0; struct ar2316State *priv = AR2316(ah); int regWrites = 0; HALDEBUG(ah, HAL_DEBUG_RFPARAM, "%s: chan %u/0x%x modesIndex %u\n", __func__, chan->ic_freq, chan->ic_flags, modesIndex); HALASSERT(priv != AH_NULL); /* Setup rf parameters */ if (IEEE80211_IS_CHAN_B(chan)) { ob2GHz = ee->ee_obFor24; db2GHz = ee->ee_dbFor24; } else { ob2GHz = ee->ee_obFor24g; db2GHz = ee->ee_dbFor24g; } /* Bank 1 Write */ RF_BANK_SETUP(priv, 1, 1); /* Bank 2 Write */ RF_BANK_SETUP(priv, 2, modesIndex); /* Bank 3 Write */ RF_BANK_SETUP(priv, 3, modesIndex); /* Bank 6 Write */ RF_BANK_SETUP(priv, 6, modesIndex); ar5212ModifyRfBuffer(priv->Bank6Data, ob2GHz, 3, 178, 0); ar5212ModifyRfBuffer(priv->Bank6Data, db2GHz, 3, 175, 0); /* Bank 7 Setup */ RF_BANK_SETUP(priv, 7, modesIndex); /* Write Analog registers */ HAL_INI_WRITE_BANK(ah, ar5212Bank1_2316, priv->Bank1Data, regWrites); HAL_INI_WRITE_BANK(ah, ar5212Bank2_2316, priv->Bank2Data, regWrites); HAL_INI_WRITE_BANK(ah, ar5212Bank3_2316, priv->Bank3Data, regWrites); HAL_INI_WRITE_BANK(ah, ar5212Bank6_2316, priv->Bank6Data, regWrites); HAL_INI_WRITE_BANK(ah, ar5212Bank7_2316, priv->Bank7Data, regWrites); /* Now that we have reprogrammed rfgain value, clear the flag. */ ahp->ah_rfgainState = HAL_RFGAIN_INACTIVE; return AH_TRUE; #undef RF_BANK_SETUP }
/* * Return a reference to the requested RF Bank. */ static uint32_t * ar2316GetRfBank(struct ath_hal *ah, int bank) { struct ar2316State *priv = AR2316(ah); HALASSERT(priv != AH_NULL); switch (bank) { case 1: return priv->Bank1Data; case 2: return priv->Bank2Data; case 3: return priv->Bank3Data; case 6: return priv->Bank6Data; case 7: return priv->Bank7Data; } HALDEBUG(ah, HAL_DEBUG_ANY, "%s: unknown RF Bank %d requested\n", __func__, bank); return AH_NULL; }
/* * Uses the data points read from EEPROM to reconstruct the pdadc power table * Called by ar2316SetPowerTable() */ static int ar2316getGainBoundariesAndPdadcsForPowers(struct ath_hal *ah, uint16_t channel, const RAW_DATA_STRUCT_2316 *pRawDataset, uint16_t pdGainOverlap_t2, int16_t *pMinCalPower, uint16_t pPdGainBoundaries[], uint16_t pPdGainValues[], uint16_t pPDADCValues[]) { struct ar2316State *priv = AR2316(ah); #define VpdTable_L priv->vpdTable_L #define VpdTable_R priv->vpdTable_R #define VpdTable_I priv->vpdTable_I uint32_t ii, jj, kk; int32_t ss;/* potentially -ve index for taking care of pdGainOverlap */ uint32_t idxL, idxR; uint32_t numPdGainsUsed = 0; /* * If desired to support -ve power levels in future, just * change pwr_I_0 to signed 5-bits. */ int16_t Pmin_t2[MAX_NUM_PDGAINS_PER_CHANNEL]; /* to accomodate -ve power levels later on. */ int16_t Pmax_t2[MAX_NUM_PDGAINS_PER_CHANNEL]; /* to accomodate -ve power levels later on */ uint16_t numVpd = 0; uint16_t Vpd_step; int16_t tmpVal ; uint32_t sizeCurrVpdTable, maxIndex, tgtIndex; /* Get upper lower index */ GetLowerUpperIndex(channel, pRawDataset->pChannels, pRawDataset->numChannels, &(idxL), &(idxR)); for (ii = 0; ii < MAX_NUM_PDGAINS_PER_CHANNEL; ii++) { jj = MAX_NUM_PDGAINS_PER_CHANNEL - ii - 1; /* work backwards 'cause highest pdGain for lowest power */ numVpd = pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].numVpd; if (numVpd > 0) { pPdGainValues[numPdGainsUsed] = pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].pd_gain; Pmin_t2[numPdGainsUsed] = pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].pwr_t4[0]; if (Pmin_t2[numPdGainsUsed] >pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].pwr_t4[0]) { Pmin_t2[numPdGainsUsed] = pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].pwr_t4[0]; } Pmin_t2[numPdGainsUsed] = (int16_t) (Pmin_t2[numPdGainsUsed] / 2); Pmax_t2[numPdGainsUsed] = pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].pwr_t4[numVpd-1]; if (Pmax_t2[numPdGainsUsed] > pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].pwr_t4[numVpd-1]) Pmax_t2[numPdGainsUsed] = pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].pwr_t4[numVpd-1]; Pmax_t2[numPdGainsUsed] = (int16_t)(Pmax_t2[numPdGainsUsed] / 2); ar2316FillVpdTable( numPdGainsUsed, Pmin_t2[numPdGainsUsed], Pmax_t2[numPdGainsUsed], &(pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].pwr_t4[0]), &(pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].Vpd[0]), numVpd, VpdTable_L ); ar2316FillVpdTable( numPdGainsUsed, Pmin_t2[numPdGainsUsed], Pmax_t2[numPdGainsUsed], &(pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].pwr_t4[0]), &(pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].Vpd[0]), numVpd, VpdTable_R ); for (kk = 0; kk < (uint16_t)(Pmax_t2[numPdGainsUsed] - Pmin_t2[numPdGainsUsed]); kk++) { VpdTable_I[numPdGainsUsed][kk] = interpolate_signed( channel, pRawDataset->pChannels[idxL], pRawDataset->pChannels[idxR], (int16_t)VpdTable_L[numPdGainsUsed][kk], (int16_t)VpdTable_R[numPdGainsUsed][kk]); } /* fill VpdTable_I for this pdGain */ numPdGainsUsed++; } /* if this pdGain is used */ } *pMinCalPower = Pmin_t2[0]; kk = 0; /* index for the final table */ for (ii = 0; ii < numPdGainsUsed; ii++) { if (ii == (numPdGainsUsed - 1)) pPdGainBoundaries[ii] = Pmax_t2[ii] + PD_GAIN_BOUNDARY_STRETCH_IN_HALF_DB; else pPdGainBoundaries[ii] = (uint16_t) ((Pmax_t2[ii] + Pmin_t2[ii+1]) / 2 ); if (pPdGainBoundaries[ii] > 63) { HALDEBUG(ah, HAL_DEBUG_ANY, "%s: clamp pPdGainBoundaries[%d] %d\n", __func__, ii, pPdGainBoundaries[ii]);/*XXX*/ pPdGainBoundaries[ii] = 63; } /* Find starting index for this pdGain */ if (ii == 0) ss = 0; /* for the first pdGain, start from index 0 */ else ss = (pPdGainBoundaries[ii-1] - Pmin_t2[ii]) - pdGainOverlap_t2; Vpd_step = (uint16_t)(VpdTable_I[ii][1] - VpdTable_I[ii][0]); Vpd_step = (uint16_t)((Vpd_step < 1) ? 1 : Vpd_step); /* *-ve ss indicates need to extrapolate data below for this pdGain */ while (ss < 0) { tmpVal = (int16_t)(VpdTable_I[ii][0] + ss*Vpd_step); pPDADCValues[kk++] = (uint16_t)((tmpVal < 0) ? 0 : tmpVal); ss++; } sizeCurrVpdTable = Pmax_t2[ii] - Pmin_t2[ii]; tgtIndex = pPdGainBoundaries[ii] + pdGainOverlap_t2 - Pmin_t2[ii]; maxIndex = (tgtIndex < sizeCurrVpdTable) ? tgtIndex : sizeCurrVpdTable; while (ss < (int16_t)maxIndex) pPDADCValues[kk++] = VpdTable_I[ii][ss++]; Vpd_step = (uint16_t)(VpdTable_I[ii][sizeCurrVpdTable-1] - VpdTable_I[ii][sizeCurrVpdTable-2]); Vpd_step = (uint16_t)((Vpd_step < 1) ? 1 : Vpd_step); /* * for last gain, pdGainBoundary == Pmax_t2, so will * have to extrapolate */ if (tgtIndex > maxIndex) { /* need to extrapolate above */ while(ss < (int16_t)tgtIndex) { tmpVal = (uint16_t) (VpdTable_I[ii][sizeCurrVpdTable-1] + (ss-maxIndex)*Vpd_step); pPDADCValues[kk++] = (tmpVal > 127) ? 127 : tmpVal; ss++; } } /* extrapolated above */ } /* for all pdGainUsed */ while (ii < MAX_NUM_PDGAINS_PER_CHANNEL) { pPdGainBoundaries[ii] = pPdGainBoundaries[ii-1]; ii++; } while (kk < 128) { pPDADCValues[kk] = pPDADCValues[kk-1]; kk++; } return numPdGainsUsed; #undef VpdTable_L #undef VpdTable_R #undef VpdTable_I }
/* * Reads EEPROM header info from device structure and programs * all rf registers * * REQUIRES: Access to the analog rf device */ static HAL_BOOL ar2316SetRfRegs(struct ath_hal *ah, HAL_CHANNEL_INTERNAL *chan, uint16_t modesIndex, uint16_t *rfXpdGain) { #define RF_BANK_SETUP(_priv, _ix, _col) do { \ int i; \ for (i = 0; i < N(ar5212Bank##_ix##_2316); i++) \ (_priv)->Bank##_ix##Data[i] = ar5212Bank##_ix##_2316[i][_col];\ } while (0) struct ath_hal_5212 *ahp = AH5212(ah); const HAL_EEPROM *ee = AH_PRIVATE(ah)->ah_eeprom; uint16_t ob2GHz = 0, db2GHz = 0; struct ar2316State *priv = AR2316(ah); int regWrites = 0; HALDEBUG(ah, HAL_DEBUG_RFPARAM, "%s: chan 0x%x flag 0x%x modesIndex 0x%x\n", __func__, chan->channel, chan->channelFlags, modesIndex); HALASSERT(priv != AH_NULL); /* Setup rf parameters */ switch (chan->channelFlags & CHANNEL_ALL) { case CHANNEL_B: ob2GHz = ee->ee_obFor24; db2GHz = ee->ee_dbFor24; break; case CHANNEL_G: case CHANNEL_108G: ob2GHz = ee->ee_obFor24g; db2GHz = ee->ee_dbFor24g; break; default: HALDEBUG(ah, HAL_DEBUG_ANY, "%s: invalid channel flags 0x%x\n", __func__, chan->channelFlags); return AH_FALSE; } /* Bank 1 Write */ RF_BANK_SETUP(priv, 1, 1); /* Bank 2 Write */ RF_BANK_SETUP(priv, 2, modesIndex); /* Bank 3 Write */ RF_BANK_SETUP(priv, 3, modesIndex); /* Bank 6 Write */ RF_BANK_SETUP(priv, 6, modesIndex); ar5212ModifyRfBuffer(priv->Bank6Data, ob2GHz, 3, 178, 0); ar5212ModifyRfBuffer(priv->Bank6Data, db2GHz, 3, 175, 0); /* Bank 7 Setup */ RF_BANK_SETUP(priv, 7, modesIndex); /* Write Analog registers */ HAL_INI_WRITE_BANK(ah, ar5212Bank1_2316, priv->Bank1Data, regWrites); HAL_INI_WRITE_BANK(ah, ar5212Bank2_2316, priv->Bank2Data, regWrites); HAL_INI_WRITE_BANK(ah, ar5212Bank3_2316, priv->Bank3Data, regWrites); HAL_INI_WRITE_BANK(ah, ar5212Bank6_2316, priv->Bank6Data, regWrites); HAL_INI_WRITE_BANK(ah, ar5212Bank7_2316, priv->Bank7Data, regWrites); /* Now that we have reprogrammed rfgain value, clear the flag. */ ahp->ah_rfgainState = HAL_RFGAIN_INACTIVE; return AH_TRUE; #undef RF_BANK_SETUP }