/*
* 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
}
