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Diffstat (limited to 'ar5212/ar2413.c')
-rw-r--r-- | ar5212/ar2413.c | 745 |
1 files changed, 745 insertions, 0 deletions
diff --git a/ar5212/ar2413.c b/ar5212/ar2413.c new file mode 100644 index 0000000..803c77b --- /dev/null +++ b/ar5212/ar2413.c @@ -0,0 +1,745 @@ +/* + * Copyright (c) 2002-2008 Sam Leffler, Errno Consulting + * Copyright (c) 2002-2008 Atheros Communications, Inc. + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * $Id: ar2413.c,v 1.7 2008/11/10 04:08:03 sam Exp $ + */ +#include "opt_ah.h" + +#ifdef AH_SUPPORT_2413 + +#include "ah.h" +#include "ah_internal.h" + +#include "ar5212/ar5212.h" +#include "ar5212/ar5212reg.h" +#include "ar5212/ar5212phy.h" + +#include "ah_eeprom_v3.h" + +#define AH_5212_2413 +#include "ar5212/ar5212.ini" + +#define N(a) (sizeof(a)/sizeof(a[0])) + +struct ar2413State { + RF_HAL_FUNCS base; /* public state, must be first */ + uint16_t pcdacTable[PWR_TABLE_SIZE_2413]; + + uint32_t Bank1Data[N(ar5212Bank1_2413)]; + uint32_t Bank2Data[N(ar5212Bank2_2413)]; + uint32_t Bank3Data[N(ar5212Bank3_2413)]; + uint32_t Bank6Data[N(ar5212Bank6_2413)]; + uint32_t Bank7Data[N(ar5212Bank7_2413)]; + + /* + * Private state for reduced stack usage. + */ + /* filled out Vpd table for all pdGains (chanL) */ + uint16_t vpdTable_L[MAX_NUM_PDGAINS_PER_CHANNEL] + [MAX_PWR_RANGE_IN_HALF_DB]; + /* filled out Vpd table for all pdGains (chanR) */ + uint16_t vpdTable_R[MAX_NUM_PDGAINS_PER_CHANNEL] + [MAX_PWR_RANGE_IN_HALF_DB]; + /* filled out Vpd table for all pdGains (interpolated) */ + uint16_t vpdTable_I[MAX_NUM_PDGAINS_PER_CHANNEL] + [MAX_PWR_RANGE_IN_HALF_DB]; +}; +#define AR2413(ah) ((struct ar2413State *) AH5212(ah)->ah_rfHal) + +extern void ar5212ModifyRfBuffer(uint32_t *rfBuf, uint32_t reg32, + uint32_t numBits, uint32_t firstBit, uint32_t column); + +static void +ar2413WriteRegs(struct ath_hal *ah, u_int modesIndex, u_int freqIndex, + int writes) +{ + HAL_INI_WRITE_ARRAY(ah, ar5212Modes_2413, modesIndex, writes); + HAL_INI_WRITE_ARRAY(ah, ar5212Common_2413, 1, writes); + HAL_INI_WRITE_ARRAY(ah, ar5212BB_RfGain_2413, freqIndex, writes); +} + +/* + * Take the MHz channel value and set the Channel value + * + * ASSUMES: Writes enabled to analog bus + */ +static HAL_BOOL +ar2413SetChannel(struct ath_hal *ah, HAL_CHANNEL_INTERNAL *chan) +{ + uint32_t channelSel = 0; + uint32_t bModeSynth = 0; + uint32_t aModeRefSel = 0; + uint32_t reg32 = 0; + uint16_t freq; + + OS_MARK(ah, AH_MARK_SETCHANNEL, chan->channel); + + if (chan->channel < 4800) { + uint32_t txctl; + + if (((chan->channel - 2192) % 5) == 0) { + channelSel = ((chan->channel - 672) * 2 - 3040)/10; + bModeSynth = 0; + } else if (((chan->channel - 2224) % 5) == 0) { + channelSel = ((chan->channel - 704) * 2 - 3040) / 10; + bModeSynth = 1; + } else { + HALDEBUG(ah, HAL_DEBUG_ANY, + "%s: invalid channel %u MHz\n", + __func__, chan->channel); + return AH_FALSE; + } + + channelSel = (channelSel << 2) & 0xff; + channelSel = ath_hal_reverseBits(channelSel, 8); + + txctl = OS_REG_READ(ah, AR_PHY_CCK_TX_CTRL); + if (chan->channel == 2484) { + /* Enable channel spreading for channel 14 */ + OS_REG_WRITE(ah, AR_PHY_CCK_TX_CTRL, + txctl | AR_PHY_CCK_TX_CTRL_JAPAN); + } else { + OS_REG_WRITE(ah, AR_PHY_CCK_TX_CTRL, + txctl &~ AR_PHY_CCK_TX_CTRL_JAPAN); + } + } else if (((chan->channel % 5) == 2) && (chan->channel <= 5435)) { + freq = chan->channel - 2; /* Align to even 5MHz raster */ + channelSel = ath_hal_reverseBits( + (uint32_t)(((freq - 4800)*10)/25 + 1), 8); + aModeRefSel = ath_hal_reverseBits(0, 2); + } else if ((chan->channel % 20) == 0 && chan->channel >= 5120) { + channelSel = ath_hal_reverseBits( + ((chan->channel - 4800) / 20 << 2), 8); + aModeRefSel = ath_hal_reverseBits(3, 2); + } else if ((chan->channel % 10) == 0) { + channelSel = ath_hal_reverseBits( + ((chan->channel - 4800) / 10 << 1), 8); + aModeRefSel = ath_hal_reverseBits(2, 2); + } else if ((chan->channel % 5) == 0) { + channelSel = ath_hal_reverseBits( + (chan->channel - 4800) / 5, 8); + aModeRefSel = ath_hal_reverseBits(1, 2); + } else { + HALDEBUG(ah, HAL_DEBUG_ANY, "%s: invalid channel %u MHz\n", + __func__, chan->channel); + return AH_FALSE; + } + + reg32 = (channelSel << 4) | (aModeRefSel << 2) | (bModeSynth << 1) | + (1 << 12) | 0x1; + OS_REG_WRITE(ah, AR_PHY(0x27), reg32 & 0xff); + + reg32 >>= 8; + OS_REG_WRITE(ah, AR_PHY(0x36), reg32 & 0x7f); + + AH_PRIVATE(ah)->ah_curchan = chan; + + return AH_TRUE; +} + +/* + * Reads EEPROM header info from device structure and programs + * all rf registers + * + * REQUIRES: Access to the analog rf device + */ +static HAL_BOOL +ar2413SetRfRegs(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##_2413); i++) \ + (_priv)->Bank##_ix##Data[i] = ar5212Bank##_ix##_2413[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 ar2413State *priv = AR2413(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); + + /* 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, 168, 0); + ar5212ModifyRfBuffer(priv->Bank6Data, db2GHz, 3, 165, 0); + + /* Bank 7 Setup */ + RF_BANK_SETUP(priv, 7, modesIndex); + + /* Write Analog registers */ + HAL_INI_WRITE_BANK(ah, ar5212Bank1_2413, priv->Bank1Data, regWrites); + HAL_INI_WRITE_BANK(ah, ar5212Bank2_2413, priv->Bank2Data, regWrites); + HAL_INI_WRITE_BANK(ah, ar5212Bank3_2413, priv->Bank3Data, regWrites); + HAL_INI_WRITE_BANK(ah, ar5212Bank6_2413, priv->Bank6Data, regWrites); + HAL_INI_WRITE_BANK(ah, ar5212Bank7_2413, 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 * +ar2413GetRfBank(struct ath_hal *ah, int bank) +{ + struct ar2413State *priv = AR2413(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; +} + +/* + * Return indices surrounding the value in sorted integer lists. + * + * NB: the input list is assumed to be sorted in ascending order + */ +static void +GetLowerUpperIndex(int16_t v, const uint16_t *lp, uint16_t listSize, + uint32_t *vlo, uint32_t *vhi) +{ + int16_t target = v; + const uint16_t *ep = lp+listSize; + const uint16_t *tp; + + /* + * Check first and last elements for out-of-bounds conditions. + */ + if (target < lp[0]) { + *vlo = *vhi = 0; + return; + } + if (target >= ep[-1]) { + *vlo = *vhi = listSize - 1; + return; + } + + /* look for value being near or between 2 values in list */ + for (tp = lp; tp < ep; tp++) { + /* + * If value is close to the current value of the list + * then target is not between values, it is one of the values + */ + if (*tp == target) { + *vlo = *vhi = tp - (const uint16_t *) lp; + return; + } + /* + * Look for value being between current value and next value + * if so return these 2 values + */ + if (target < tp[1]) { + *vlo = tp - (const uint16_t *) lp; + *vhi = *vlo + 1; + return; + } + } +} + +/* + * Fill the Vpdlist for indices Pmax-Pmin + */ +static HAL_BOOL +ar2413FillVpdTable(uint32_t pdGainIdx, int16_t Pmin, int16_t Pmax, + const int16_t *pwrList, const uint16_t *VpdList, + uint16_t numIntercepts, uint16_t retVpdList[][64]) +{ + uint16_t ii, jj, kk; + int16_t currPwr = (int16_t)(2*Pmin); + /* since Pmin is pwr*2 and pwrList is 4*pwr */ + uint32_t idxL, idxR; + + ii = 0; + jj = 0; + + if (numIntercepts < 2) + return AH_FALSE; + + while (ii <= (uint16_t)(Pmax - Pmin)) { + GetLowerUpperIndex(currPwr, (const uint16_t *) pwrList, + numIntercepts, &(idxL), &(idxR)); + if (idxR < 1) + idxR = 1; /* extrapolate below */ + if (idxL == (uint32_t)(numIntercepts - 1)) + idxL = numIntercepts - 2; /* extrapolate above */ + if (pwrList[idxL] == pwrList[idxR]) + kk = VpdList[idxL]; + else + kk = (uint16_t) + (((currPwr - pwrList[idxL])*VpdList[idxR]+ + (pwrList[idxR] - currPwr)*VpdList[idxL])/ + (pwrList[idxR] - pwrList[idxL])); + retVpdList[pdGainIdx][ii] = kk; + ii++; + currPwr += 2; /* half dB steps */ + } + + return AH_TRUE; +} + +/* + * Returns interpolated or the scaled up interpolated value + */ +static int16_t +interpolate_signed(uint16_t target, uint16_t srcLeft, uint16_t srcRight, + int16_t targetLeft, int16_t targetRight) +{ + int16_t rv; + + if (srcRight != srcLeft) { + rv = ((target - srcLeft)*targetRight + + (srcRight - target)*targetLeft) / (srcRight - srcLeft); + } else { + rv = targetLeft; + } + return rv; +} + +/* + * Uses the data points read from EEPROM to reconstruct the pdadc power table + * Called by ar2413SetPowerTable() + */ +static int +ar2413getGainBoundariesAndPdadcsForPowers(struct ath_hal *ah, uint16_t channel, + const RAW_DATA_STRUCT_2413 *pRawDataset, + uint16_t pdGainOverlap_t2, + int16_t *pMinCalPower, uint16_t pPdGainBoundaries[], + uint16_t pPdGainValues[], uint16_t pPDADCValues[]) +{ + struct ar2413State *priv = AR2413(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); + ar2413FillVpdTable( + 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 + ); + ar2413FillVpdTable( + 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 +} + +static HAL_BOOL +ar2413SetPowerTable(struct ath_hal *ah, + int16_t *minPower, int16_t *maxPower, HAL_CHANNEL_INTERNAL *chan, + uint16_t *rfXpdGain) +{ + struct ath_hal_5212 *ahp = AH5212(ah); + const HAL_EEPROM *ee = AH_PRIVATE(ah)->ah_eeprom; + const RAW_DATA_STRUCT_2413 *pRawDataset = AH_NULL; + uint16_t pdGainOverlap_t2; + int16_t minCalPower2413_t2; + uint16_t *pdadcValues = ahp->ah_pcdacTable; + uint16_t gainBoundaries[4]; + uint32_t i, reg32, regoffset, tpcrg1; + int numPdGainsUsed; + + HALDEBUG(ah, HAL_DEBUG_RFPARAM, "%s: chan 0x%x flag 0x%x\n", + __func__, chan->channel,chan->channelFlags); + + if (IS_CHAN_G(chan) || IS_CHAN_108G(chan)) + pRawDataset = &ee->ee_rawDataset2413[headerInfo11G]; + else if (IS_CHAN_B(chan)) + pRawDataset = &ee->ee_rawDataset2413[headerInfo11B]; + else { + HALDEBUG(ah, HAL_DEBUG_ANY, "%s: illegal mode\n", __func__); + return AH_FALSE; + } + + pdGainOverlap_t2 = (uint16_t) SM(OS_REG_READ(ah, AR_PHY_TPCRG5), + AR_PHY_TPCRG5_PD_GAIN_OVERLAP); + + numPdGainsUsed = ar2413getGainBoundariesAndPdadcsForPowers(ah, + chan->channel, pRawDataset, pdGainOverlap_t2, + &minCalPower2413_t2,gainBoundaries, rfXpdGain, pdadcValues); + HALASSERT(1 <= numPdGainsUsed && numPdGainsUsed <= 3); + +#if 0 + OS_REG_RMW_FIELD(ah, AR_PHY_TPCRG1, AR_PHY_TPCRG1_NUM_PD_GAIN, + (pRawDataset->pDataPerChannel[0].numPdGains - 1)); +#endif + tpcrg1 = OS_REG_READ(ah, AR_PHY_TPCRG1); + tpcrg1 = (tpcrg1 &~ AR_PHY_TPCRG1_NUM_PD_GAIN) + | SM(numPdGainsUsed-1, AR_PHY_TPCRG1_NUM_PD_GAIN); + switch (numPdGainsUsed) { + case 3: + tpcrg1 &= ~AR_PHY_TPCRG1_PDGAIN_SETTING3; + tpcrg1 |= SM(rfXpdGain[2], AR_PHY_TPCRG1_PDGAIN_SETTING3); + /* fall thru... */ + case 2: + tpcrg1 &= ~AR_PHY_TPCRG1_PDGAIN_SETTING2; + tpcrg1 |= SM(rfXpdGain[1], AR_PHY_TPCRG1_PDGAIN_SETTING2); + /* fall thru... */ + case 1: + tpcrg1 &= ~AR_PHY_TPCRG1_PDGAIN_SETTING1; + tpcrg1 |= SM(rfXpdGain[0], AR_PHY_TPCRG1_PDGAIN_SETTING1); + break; + } +#ifdef AH_DEBUG + if (tpcrg1 != OS_REG_READ(ah, AR_PHY_TPCRG1)) + HALDEBUG(ah, HAL_DEBUG_RFPARAM, "%s: using non-default " + "pd_gains (default 0x%x, calculated 0x%x)\n", + __func__, OS_REG_READ(ah, AR_PHY_TPCRG1), tpcrg1); +#endif + OS_REG_WRITE(ah, AR_PHY_TPCRG1, tpcrg1); + + /* + * Note the pdadc table may not start at 0 dBm power, could be + * negative or greater than 0. Need to offset the power + * values by the amount of minPower for griffin + */ + if (minCalPower2413_t2 != 0) + ahp->ah_txPowerIndexOffset = (int16_t)(0 - minCalPower2413_t2); + else + ahp->ah_txPowerIndexOffset = 0; + + /* Finally, write the power values into the baseband power table */ + regoffset = 0x9800 + (672 <<2); /* beginning of pdadc table in griffin */ + for (i = 0; i < 32; i++) { + reg32 = ((pdadcValues[4*i + 0] & 0xFF) << 0) | + ((pdadcValues[4*i + 1] & 0xFF) << 8) | + ((pdadcValues[4*i + 2] & 0xFF) << 16) | + ((pdadcValues[4*i + 3] & 0xFF) << 24) ; + OS_REG_WRITE(ah, regoffset, reg32); + regoffset += 4; + } + + OS_REG_WRITE(ah, AR_PHY_TPCRG5, + SM(pdGainOverlap_t2, AR_PHY_TPCRG5_PD_GAIN_OVERLAP) | + SM(gainBoundaries[0], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_1) | + SM(gainBoundaries[1], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_2) | + SM(gainBoundaries[2], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_3) | + SM(gainBoundaries[3], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_4)); + + return AH_TRUE; +} + +static int16_t +ar2413GetMinPower(struct ath_hal *ah, const RAW_DATA_PER_CHANNEL_2413 *data) +{ + uint32_t ii,jj; + uint16_t Pmin=0,numVpd; + + 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 = data->pDataPerPDGain[jj].numVpd; + if (numVpd > 0) { + Pmin = data->pDataPerPDGain[jj].pwr_t4[0]; + return(Pmin); + } + } + return(Pmin); +} + +static int16_t +ar2413GetMaxPower(struct ath_hal *ah, const RAW_DATA_PER_CHANNEL_2413 *data) +{ + uint32_t ii; + uint16_t Pmax=0,numVpd; + + for (ii=0; ii< MAX_NUM_PDGAINS_PER_CHANNEL; ii++) { + /* work forwards cuase lowest pdGain for highest power */ + numVpd = data->pDataPerPDGain[ii].numVpd; + if (numVpd > 0) { + Pmax = data->pDataPerPDGain[ii].pwr_t4[numVpd-1]; + return(Pmax); + } + } + return(Pmax); +} + +static HAL_BOOL +ar2413GetChannelMaxMinPower(struct ath_hal *ah, HAL_CHANNEL *chan, + int16_t *maxPow, int16_t *minPow) +{ + const HAL_EEPROM *ee = AH_PRIVATE(ah)->ah_eeprom; + const RAW_DATA_STRUCT_2413 *pRawDataset = AH_NULL; + const RAW_DATA_PER_CHANNEL_2413 *data = AH_NULL; + uint16_t numChannels; + int totalD,totalF, totalMin,last, i; + + *maxPow = 0; + + if (IS_CHAN_G(chan) || IS_CHAN_108G(chan)) + pRawDataset = &ee->ee_rawDataset2413[headerInfo11G]; + else if (IS_CHAN_B(chan)) + pRawDataset = &ee->ee_rawDataset2413[headerInfo11B]; + else + return(AH_FALSE); + + numChannels = pRawDataset->numChannels; + data = pRawDataset->pDataPerChannel; + + /* Make sure the channel is in the range of the TP values + * (freq piers) + */ + if (numChannels < 1) + return(AH_FALSE); + + if ((chan->channel < data[0].channelValue) || + (chan->channel > data[numChannels-1].channelValue)) { + if (chan->channel < data[0].channelValue) { + *maxPow = ar2413GetMaxPower(ah, &data[0]); + *minPow = ar2413GetMinPower(ah, &data[0]); + return(AH_TRUE); + } else { + *maxPow = ar2413GetMaxPower(ah, &data[numChannels - 1]); + *minPow = ar2413GetMinPower(ah, &data[numChannels - 1]); + return(AH_TRUE); + } + } + + /* Linearly interpolate the power value now */ + for (last=0,i=0; (i<numChannels) && (chan->channel > data[i].channelValue); + last = i++); + totalD = data[i].channelValue - data[last].channelValue; + if (totalD > 0) { + totalF = ar2413GetMaxPower(ah, &data[i]) - ar2413GetMaxPower(ah, &data[last]); + *maxPow = (int8_t) ((totalF*(chan->channel-data[last].channelValue) + + ar2413GetMaxPower(ah, &data[last])*totalD)/totalD); + totalMin = ar2413GetMinPower(ah, &data[i]) - ar2413GetMinPower(ah, &data[last]); + *minPow = (int8_t) ((totalMin*(chan->channel-data[last].channelValue) + + ar2413GetMinPower(ah, &data[last])*totalD)/totalD); + return(AH_TRUE); + } else { + if (chan->channel == data[i].channelValue) { + *maxPow = ar2413GetMaxPower(ah, &data[i]); + *minPow = ar2413GetMinPower(ah, &data[i]); + return(AH_TRUE); + } else + return(AH_FALSE); + } +} + +/* + * Free memory for analog bank scratch buffers + */ +static void +ar2413RfDetach(struct ath_hal *ah) +{ + struct ath_hal_5212 *ahp = AH5212(ah); + + HALASSERT(ahp->ah_rfHal != AH_NULL); + ath_hal_free(ahp->ah_rfHal); + ahp->ah_rfHal = AH_NULL; +} + +/* + * Allocate memory for analog bank scratch buffers + * Scratch Buffer will be reinitialized every reset so no need to zero now + */ +HAL_BOOL +ar2413RfAttach(struct ath_hal *ah, HAL_STATUS *status) +{ + struct ath_hal_5212 *ahp = AH5212(ah); + struct ar2413State *priv; + + HALASSERT(ah->ah_magic == AR5212_MAGIC); + + HALASSERT(ahp->ah_rfHal == AH_NULL); + priv = ath_hal_malloc(sizeof(struct ar2413State)); + if (priv == AH_NULL) { + HALDEBUG(ah, HAL_DEBUG_ANY, + "%s: cannot allocate private state\n", __func__); + *status = HAL_ENOMEM; /* XXX */ + return AH_FALSE; + } + priv->base.rfDetach = ar2413RfDetach; + priv->base.writeRegs = ar2413WriteRegs; + priv->base.getRfBank = ar2413GetRfBank; + priv->base.setChannel = ar2413SetChannel; + priv->base.setRfRegs = ar2413SetRfRegs; + priv->base.setPowerTable = ar2413SetPowerTable; + priv->base.getChannelMaxMinPower = ar2413GetChannelMaxMinPower; + priv->base.getNfAdjust = ar5212GetNfAdjust; + + ahp->ah_pcdacTable = priv->pcdacTable; + ahp->ah_pcdacTableSize = sizeof(priv->pcdacTable); + ahp->ah_rfHal = &priv->base; + + return AH_TRUE; +} +#endif /* AH_SUPPORT_2413 */ |