ath9k_ar9002_calib.c File Reference

#include "hw.h"
#include "hw-ops.h"
#include "ar9002_phy.h"

Go to the source code of this file.

Macros
#define	AR9285_CLCAL_REDO_THRESH   1

Enumerations
enum	ar9002_cal_types { ADC_GAIN_CAL = BIT(0) , ADC_DC_CAL = BIT(1) , IQ_MISMATCH_CAL = BIT(2) }

Functions
	FILE_SECBOOT (FORBIDDEN)
static int	ar9002_hw_is_cal_supported (struct ath_hw *ah, struct ath9k_channel *chan, enum ar9002_cal_types cal_type)
static void	ar9002_hw_setup_calibration (struct ath_hw *ah, struct ath9k_cal_list *currCal)
static int	ar9002_hw_per_calibration (struct ath_hw *ah, struct ath9k_channel *ichan __unused, u8 rxchainmask, struct ath9k_cal_list *currCal)
static void	ar9002_hw_iqcal_collect (struct ath_hw *ah)
static void	ar9002_hw_adc_gaincal_collect (struct ath_hw *ah)
static void	ar9002_hw_adc_dccal_collect (struct ath_hw *ah)
static void	ar9002_hw_iqcalibrate (struct ath_hw *ah, u8 numChains)
static void	ar9002_hw_adc_gaincal_calibrate (struct ath_hw *ah, u8 numChains)
static void	ar9002_hw_adc_dccal_calibrate (struct ath_hw *ah, u8 numChains)
static void	ar9287_hw_olc_temp_compensation (struct ath_hw *ah)
static void	ar9280_hw_olc_temp_compensation (struct ath_hw *ah)
static void	ar9271_hw_pa_cal (struct ath_hw *ah, int is_reset)
static void	ar9285_hw_pa_cal (struct ath_hw *ah, int is_reset)
static void	ar9002_hw_pa_cal (struct ath_hw *ah, int is_reset)
static void	ar9002_hw_olc_temp_compensation (struct ath_hw *ah)
static int	ar9002_hw_calibrate (struct ath_hw *ah, struct ath9k_channel *chan, u8 rxchainmask, int longcal)
static int	ar9285_hw_cl_cal (struct ath_hw *ah, struct ath9k_channel *chan)
static int	ar9285_hw_clc (struct ath_hw *ah, struct ath9k_channel *chan)
static int	ar9002_hw_init_cal (struct ath_hw *ah, struct ath9k_channel *chan)
static void	ar9002_hw_init_cal_settings (struct ath_hw *ah)
void	ar9002_hw_attach_calib_ops (struct ath_hw *ah)

Variables
static const struct ath9k_percal_data	iq_cal_multi_sample
static const struct ath9k_percal_data	iq_cal_single_sample
static const struct ath9k_percal_data	adc_gain_cal_multi_sample
static const struct ath9k_percal_data	adc_gain_cal_single_sample
static const struct ath9k_percal_data	adc_dc_cal_multi_sample
static const struct ath9k_percal_data	adc_dc_cal_single_sample

Macro Definition Documentation

AR9285_CLCAL_REDO_THRESH

#define AR9285_CLCAL_REDO_THRESH   1

Definition at line 26 of file ath9k_ar9002_calib.c.

Referenced by ar9285_hw_clc().

Enumeration Type Documentation

ar9002_cal_types

enum ar9002_cal_types

Enumerator
ADC_GAIN_CAL
ADC_DC_CAL
IQ_MISMATCH_CAL

Definition at line 28 of file ath9k_ar9002_calib.c.

                      {
        ADC_GAIN_CAL = BIT(0),
        ADC_DC_CAL = BIT(1),
        IQ_MISMATCH_CAL = BIT(2),
};

Function Documentation

FILE_SECBOOT()

FILE_SECBOOT

(

FORBIDDEN

)

ar9002_hw_is_cal_supported()

int ar9002_hw_is_cal_supported ( struct ath_hw * ah, struct ath9k_channel * chan, enum ar9002_cal_types cal_type )

static

Definition at line 34 of file ath9k_ar9002_calib.c.

{
        int supported = 0;
        switch (ah->supp_cals & cal_type) {
        case IQ_MISMATCH_CAL:
                /* Run IQ Mismatch for non-CCK only */
                if (!IS_CHAN_B(chan))
                        supported = 1;
                break;
        case ADC_GAIN_CAL:
        case ADC_DC_CAL:
                /* Run ADC Gain Cal for non-CCK & non 2GHz-HT20 only */
                if (!IS_CHAN_B(chan) &&
                    !(IS_CHAN_2GHZ(chan) && IS_CHAN_HT20(chan)))
                        supported = 1;
                break;
        }
        return supported;
}

References ADC_DC_CAL, ADC_GAIN_CAL, ah, IQ_MISMATCH_CAL, IS_CHAN_2GHZ, IS_CHAN_B, IS_CHAN_HT20, and supported.

Referenced by ar9002_hw_init_cal().

ar9002_hw_setup_calibration()

void ar9002_hw_setup_calibration ( struct ath_hw * ah, struct ath9k_cal_list * currCal )

static

Definition at line 56 of file ath9k_ar9002_calib.c.

{
        REG_RMW_FIELD(ah, AR_PHY_TIMING_CTRL4(0),
                      AR_PHY_TIMING_CTRL4_IQCAL_LOG_COUNT_MAX,
                      currCal->calData->calCountMax);
 
        switch (currCal->calData->calType) {
        case IQ_MISMATCH_CAL:
                REG_WRITE(ah, AR_PHY_CALMODE, AR_PHY_CALMODE_IQ);
                DBG2("ath9k: "
                        "starting IQ Mismatch Calibration\n");
                break;
        case ADC_GAIN_CAL:
                REG_WRITE(ah, AR_PHY_CALMODE, AR_PHY_CALMODE_ADC_GAIN);
                DBG2("ath9k: "
                        "starting ADC Gain Calibration\n");
                break;
        case ADC_DC_CAL:
                REG_WRITE(ah, AR_PHY_CALMODE, AR_PHY_CALMODE_ADC_DC_PER);
                DBG2("ath9k: "
                        "starting ADC DC Calibration\n");
                break;
        }
 
        REG_SET_BIT(ah, AR_PHY_TIMING_CTRL4(0),
                    AR_PHY_TIMING_CTRL4_DO_CAL);
}

References ADC_DC_CAL, ADC_GAIN_CAL, ah, AR_PHY_CALMODE, AR_PHY_CALMODE_ADC_DC_PER, AR_PHY_CALMODE_ADC_GAIN, AR_PHY_CALMODE_IQ, AR_PHY_TIMING_CTRL4, AR_PHY_TIMING_CTRL4_DO_CAL, AR_PHY_TIMING_CTRL4_IQCAL_LOG_COUNT_MAX, ath9k_percal_data::calCountMax, ath9k_cal_list::calData, ath9k_percal_data::calType, DBG2, IQ_MISMATCH_CAL, REG_RMW_FIELD, REG_SET_BIT, and REG_WRITE.

Referenced by ar9002_hw_attach_calib_ops(), and ar9002_hw_per_calibration().

ar9002_hw_per_calibration()

int ar9002_hw_per_calibration ( struct ath_hw * ah, struct ath9k_channel *ichan __unused, u8 rxchainmask, struct ath9k_cal_list * currCal )

static

Definition at line 85 of file ath9k_ar9002_calib.c.

{
        struct ath9k_hw_cal_data *caldata = ah->caldata;
        int iscaldone = 0;
 
        if (currCal->calState == CAL_RUNNING) {
                if (!(REG_READ(ah, AR_PHY_TIMING_CTRL4(0)) &
                      AR_PHY_TIMING_CTRL4_DO_CAL)) {
 
                        currCal->calData->calCollect(ah);
                        ah->cal_samples++;
 
                        if (ah->cal_samples >=
                            currCal->calData->calNumSamples) {
                                int i, numChains = 0;
                                for (i = 0; i < AR5416_MAX_CHAINS; i++) {
                                        if (rxchainmask & (1 << i))
                                                numChains++;
                                }
 
                                currCal->calData->calPostProc(ah, numChains);
                                caldata->CalValid |= currCal->calData->calType;
                                currCal->calState = CAL_DONE;
                                iscaldone = 1;
                        } else {
                                ar9002_hw_setup_calibration(ah, currCal);
                        }
                }
        } else if (!(caldata->CalValid & currCal->calData->calType)) {
                ath9k_hw_reset_calibration(ah, currCal);
        }
 
        return iscaldone;
}

References __unused, ah, AR5416_MAX_CHAINS, ar9002_hw_setup_calibration(), AR_PHY_TIMING_CTRL4, AR_PHY_TIMING_CTRL4_DO_CAL, ath9k_hw_reset_calibration(), CAL_DONE, CAL_RUNNING, ath9k_percal_data::calCollect, ath9k_cal_list::calData, ath9k_percal_data::calNumSamples, ath9k_percal_data::calPostProc, ath9k_cal_list::calState, ath9k_percal_data::calType, ath9k_hw_cal_data::CalValid, REG_READ, and u8.

Referenced by ar9002_hw_calibrate().

ar9002_hw_iqcal_collect()

void ar9002_hw_iqcal_collect ( struct ath_hw * ah )

static

Definition at line 123 of file ath9k_ar9002_calib.c.

{
        int i;
 
        for (i = 0; i < AR5416_MAX_CHAINS; i++) {
                ah->totalPowerMeasI[i] +=
                        REG_READ(ah, AR_PHY_CAL_MEAS_0(i));
                ah->totalPowerMeasQ[i] +=
                        REG_READ(ah, AR_PHY_CAL_MEAS_1(i));
                ah->totalIqCorrMeas[i] +=
                        (int32_t) REG_READ(ah, AR_PHY_CAL_MEAS_2(i));
                DBG2("ath9k: "
                        "%d: Chn %d pmi=0x%08x;pmq=0x%08x;iqcm=0x%08x;\n",
                        ah->cal_samples, i, ah->totalPowerMeasI[i],
                        ah->totalPowerMeasQ[i],
                        ah->totalIqCorrMeas[i]);
        }
}

References ah, AR5416_MAX_CHAINS, AR_PHY_CAL_MEAS_0, AR_PHY_CAL_MEAS_1, AR_PHY_CAL_MEAS_2, DBG2, and REG_READ.

ar9002_hw_adc_gaincal_collect()

void ar9002_hw_adc_gaincal_collect ( struct ath_hw * ah )

static

Definition at line 142 of file ath9k_ar9002_calib.c.

{
        int i;
 
        for (i = 0; i < AR5416_MAX_CHAINS; i++) {
                ah->totalAdcIOddPhase[i] +=
                        REG_READ(ah, AR_PHY_CAL_MEAS_0(i));
                ah->totalAdcIEvenPhase[i] +=
                        REG_READ(ah, AR_PHY_CAL_MEAS_1(i));
                ah->totalAdcQOddPhase[i] +=
                        REG_READ(ah, AR_PHY_CAL_MEAS_2(i));
                ah->totalAdcQEvenPhase[i] +=
                        REG_READ(ah, AR_PHY_CAL_MEAS_3(i));
 
                DBG2("ath9k: "
                        "%d: Chn %d oddi=0x%08x; eveni=0x%08x; oddq=0x%08x; evenq=0x%08x;\n",
                        ah->cal_samples, i,
                        ah->totalAdcIOddPhase[i],
                        ah->totalAdcIEvenPhase[i],
                        ah->totalAdcQOddPhase[i],
                        ah->totalAdcQEvenPhase[i]);
        }
}

References ah, AR5416_MAX_CHAINS, AR_PHY_CAL_MEAS_0, AR_PHY_CAL_MEAS_1, AR_PHY_CAL_MEAS_2, AR_PHY_CAL_MEAS_3, DBG2, and REG_READ.

ar9002_hw_adc_dccal_collect()

void ar9002_hw_adc_dccal_collect ( struct ath_hw * ah )

static

Definition at line 166 of file ath9k_ar9002_calib.c.

{
        int i;
 
        for (i = 0; i < AR5416_MAX_CHAINS; i++) {
                ah->totalAdcDcOffsetIOddPhase[i] +=
                        (int32_t) REG_READ(ah, AR_PHY_CAL_MEAS_0(i));
                ah->totalAdcDcOffsetIEvenPhase[i] +=
                        (int32_t) REG_READ(ah, AR_PHY_CAL_MEAS_1(i));
                ah->totalAdcDcOffsetQOddPhase[i] +=
                        (int32_t) REG_READ(ah, AR_PHY_CAL_MEAS_2(i));
                ah->totalAdcDcOffsetQEvenPhase[i] +=
                        (int32_t) REG_READ(ah, AR_PHY_CAL_MEAS_3(i));
 
                DBG2("ath9k: "
                        "%d: Chn %d oddi=0x%08x; eveni=0x%08x; oddq=0x%08x; evenq=0x%08x;\n",
                        ah->cal_samples, i,
                        ah->totalAdcDcOffsetIOddPhase[i],
                        ah->totalAdcDcOffsetIEvenPhase[i],
                        ah->totalAdcDcOffsetQOddPhase[i],
                        ah->totalAdcDcOffsetQEvenPhase[i]);
        }
}

References ah, AR5416_MAX_CHAINS, AR_PHY_CAL_MEAS_0, AR_PHY_CAL_MEAS_1, AR_PHY_CAL_MEAS_2, AR_PHY_CAL_MEAS_3, DBG2, and REG_READ.

ar9002_hw_iqcalibrate()

void ar9002_hw_iqcalibrate ( struct ath_hw * ah, u8 numChains )

static

Definition at line 190 of file ath9k_ar9002_calib.c.

{
        u32 powerMeasQ, powerMeasI, iqCorrMeas;
        u32 qCoffDenom, iCoffDenom;
        int32_t qCoff, iCoff;
        int iqCorrNeg, i;
 
        for (i = 0; i < numChains; i++) {
                powerMeasI = ah->totalPowerMeasI[i];
                powerMeasQ = ah->totalPowerMeasQ[i];
                iqCorrMeas = ah->totalIqCorrMeas[i];
 
                DBG2("ath9k: "
                        "Starting IQ Cal and Correction for Chain %d\n",
                        i);
 
                DBG2("ath9k: "
                        "Orignal: Chn %diq_corr_meas = 0x%08x\n",
                        i, ah->totalIqCorrMeas[i]);
 
                iqCorrNeg = 0;
 
                if (iqCorrMeas > 0x80000000) {
                        iqCorrMeas = (0xffffffff - iqCorrMeas) + 1;
                        iqCorrNeg = 1;
                }
 
                DBG2("ath9k: "
                        "Chn %d pwr_meas_i = 0x%08x\n", i, powerMeasI);
                DBG2("ath9k: "
                        "Chn %d pwr_meas_q = 0x%08x\n", i, powerMeasQ);
                DBG2("ath9k: iqCorrNeg is 0x%08x\n",
                        iqCorrNeg);
 
                iCoffDenom = (powerMeasI / 2 + powerMeasQ / 2) / 128;
                qCoffDenom = powerMeasQ / 64;
 
                if ((powerMeasQ != 0) && (iCoffDenom != 0) &&
                    (qCoffDenom != 0)) {
                        iCoff = iqCorrMeas / iCoffDenom;
                        qCoff = powerMeasI / qCoffDenom - 64;
                        DBG2("ath9k: "
                                "Chn %d iCoff = 0x%08x\n", i, iCoff);
                        DBG2("ath9k: "
                                "Chn %d qCoff = 0x%08x\n", i, qCoff);
 
                        iCoff = iCoff & 0x3f;
                        DBG2("ath9k: "
                                "New: Chn %d iCoff = 0x%08x\n", i, iCoff);
                        if (iqCorrNeg == 0x0)
                                iCoff = 0x40 - iCoff;
 
                        if (qCoff > 15)
                                qCoff = 15;
                        else if (qCoff <= -16)
                                qCoff = -16;
 
                        DBG2("ath9k: "
                                "Chn %d : iCoff = 0x%x  qCoff = 0x%x\n",
                                i, iCoff, qCoff);
 
                        REG_RMW_FIELD(ah, AR_PHY_TIMING_CTRL4(i),
                                      AR_PHY_TIMING_CTRL4_IQCORR_Q_I_COFF,
                                      iCoff);
                        REG_RMW_FIELD(ah, AR_PHY_TIMING_CTRL4(i),
                                      AR_PHY_TIMING_CTRL4_IQCORR_Q_Q_COFF,
                                      qCoff);
                        DBG2("ath9k: "
                                "IQ Cal and Correction done for Chain %d\n",
                                i);
                }
        }
 
        REG_SET_BIT(ah, AR_PHY_TIMING_CTRL4(0),
                    AR_PHY_TIMING_CTRL4_IQCORR_ENABLE);
}

References ah, AR_PHY_TIMING_CTRL4, AR_PHY_TIMING_CTRL4_IQCORR_ENABLE, AR_PHY_TIMING_CTRL4_IQCORR_Q_I_COFF, AR_PHY_TIMING_CTRL4_IQCORR_Q_Q_COFF, DBG2, ath9k_hw_cal_data::iCoff, ath9k_hw_cal_data::qCoff, REG_RMW_FIELD, REG_SET_BIT, u32, and u8.

ar9002_hw_adc_gaincal_calibrate()

void ar9002_hw_adc_gaincal_calibrate ( struct ath_hw * ah, u8 numChains )

static

Definition at line 267 of file ath9k_ar9002_calib.c.

{
        u32 iOddMeasOffset, iEvenMeasOffset, qOddMeasOffset, qEvenMeasOffset;
        u32 qGainMismatch, iGainMismatch, val, i;
 
        for (i = 0; i < numChains; i++) {
                iOddMeasOffset = ah->totalAdcIOddPhase[i];
                iEvenMeasOffset = ah->totalAdcIEvenPhase[i];
                qOddMeasOffset = ah->totalAdcQOddPhase[i];
                qEvenMeasOffset = ah->totalAdcQEvenPhase[i];
 
                DBG2("ath9k: "
                        "Starting ADC Gain Cal for Chain %d\n", i);
 
                DBG2("ath9k: "
                        "Chn %d pwr_meas_odd_i = 0x%08x\n", i,
                        iOddMeasOffset);
                DBG2("ath9k: "
                        "Chn %d pwr_meas_even_i = 0x%08x\n", i,
                        iEvenMeasOffset);
                DBG2("ath9k: "
                        "Chn %d pwr_meas_odd_q = 0x%08x\n", i,
                        qOddMeasOffset);
                DBG2("ath9k: "
                        "Chn %d pwr_meas_even_q = 0x%08x\n", i,
                        qEvenMeasOffset);
 
                if (iOddMeasOffset != 0 && qEvenMeasOffset != 0) {
                        iGainMismatch =
                                ((iEvenMeasOffset * 32) /
                                 iOddMeasOffset) & 0x3f;
                        qGainMismatch =
                                ((qOddMeasOffset * 32) /
                                 qEvenMeasOffset) & 0x3f;
 
                        DBG2("ath9k: "
                                "Chn %d gain_mismatch_i = 0x%08x\n", i,
                                iGainMismatch);
                        DBG2("ath9k: "
                                "Chn %d gain_mismatch_q = 0x%08x\n", i,
                                qGainMismatch);
 
                        val = REG_READ(ah, AR_PHY_NEW_ADC_DC_GAIN_CORR(i));
                        val &= 0xfffff000;
                        val |= (qGainMismatch) | (iGainMismatch << 6);
                        REG_WRITE(ah, AR_PHY_NEW_ADC_DC_GAIN_CORR(i), val);
 
                        DBG2("ath9k: "
                                "ADC Gain Cal done for Chain %d\n", i);
                }
        }
 
        REG_WRITE(ah, AR_PHY_NEW_ADC_DC_GAIN_CORR(0),
                  REG_READ(ah, AR_PHY_NEW_ADC_DC_GAIN_CORR(0)) |
                  AR_PHY_NEW_ADC_GAIN_CORR_ENABLE);
}

References ah, AR_PHY_NEW_ADC_DC_GAIN_CORR, AR_PHY_NEW_ADC_GAIN_CORR_ENABLE, DBG2, REG_READ, REG_WRITE, u32, u8, and val.

ar9002_hw_adc_dccal_calibrate()

void ar9002_hw_adc_dccal_calibrate ( struct ath_hw * ah, u8 numChains )

static

Definition at line 324 of file ath9k_ar9002_calib.c.

{
        u32 iOddMeasOffset, iEvenMeasOffset, val, i;
        int32_t qOddMeasOffset, qEvenMeasOffset, qDcMismatch, iDcMismatch;
        const struct ath9k_percal_data *calData =
                ah->cal_list_curr->calData;
        u32 numSamples =
                (1 << (calData->calCountMax + 5)) * calData->calNumSamples;
 
        for (i = 0; i < numChains; i++) {
                iOddMeasOffset = ah->totalAdcDcOffsetIOddPhase[i];
                iEvenMeasOffset = ah->totalAdcDcOffsetIEvenPhase[i];
                qOddMeasOffset = ah->totalAdcDcOffsetQOddPhase[i];
                qEvenMeasOffset = ah->totalAdcDcOffsetQEvenPhase[i];
 
                DBG2("ath9k: "
                        "Starting ADC DC Offset Cal for Chain %d\n", i);
 
                DBG2("ath9k: "
                        "Chn %d pwr_meas_odd_i = %d\n", i,
                        iOddMeasOffset);
                DBG2("ath9k: "
                        "Chn %d pwr_meas_even_i = %d\n", i,
                        iEvenMeasOffset);
                DBG2("ath9k: "
                        "Chn %d pwr_meas_odd_q = %d\n", i,
                        qOddMeasOffset);
                DBG2("ath9k: "
                        "Chn %d pwr_meas_even_q = %d\n", i,
                        qEvenMeasOffset);
 
                iDcMismatch = (((iEvenMeasOffset - iOddMeasOffset) * 2) /
                               numSamples) & 0x1ff;
                qDcMismatch = (((qOddMeasOffset - qEvenMeasOffset) * 2) /
                               numSamples) & 0x1ff;
 
                DBG2("ath9k: "
                        "Chn %d dc_offset_mismatch_i = 0x%08x\n", i,
                        iDcMismatch);
                DBG2("ath9k: "
                        "Chn %d dc_offset_mismatch_q = 0x%08x\n", i,
                        qDcMismatch);
 
                val = REG_READ(ah, AR_PHY_NEW_ADC_DC_GAIN_CORR(i));
                val &= 0xc0000fff;
                val |= (qDcMismatch << 12) | (iDcMismatch << 21);
                REG_WRITE(ah, AR_PHY_NEW_ADC_DC_GAIN_CORR(i), val);
 
                DBG2("ath9k: "
                        "ADC DC Offset Cal done for Chain %d\n", i);
        }
 
        REG_WRITE(ah, AR_PHY_NEW_ADC_DC_GAIN_CORR(0),
                  REG_READ(ah, AR_PHY_NEW_ADC_DC_GAIN_CORR(0)) |
                  AR_PHY_NEW_ADC_DC_OFFSET_CORR_ENABLE);
}

References ah, AR_PHY_NEW_ADC_DC_GAIN_CORR, AR_PHY_NEW_ADC_DC_OFFSET_CORR_ENABLE, ath9k_percal_data::calCountMax, ath9k_percal_data::calNumSamples, DBG2, REG_READ, REG_WRITE, u32, u8, and val.

ar9287_hw_olc_temp_compensation()

void ar9287_hw_olc_temp_compensation ( struct ath_hw * ah )

static

Definition at line 381 of file ath9k_ar9002_calib.c.

{
        u32 rddata;
        int32_t delta, currPDADC, slope;
 
        rddata = REG_READ(ah, AR_PHY_TX_PWRCTRL4);
        currPDADC = MS(rddata, AR_PHY_TX_PWRCTRL_PD_AVG_OUT);
 
        if (ah->initPDADC == 0 || currPDADC == 0) {
                /*
                 * Zero value indicates that no frames have been transmitted
                 * yet, can't do temperature compensation until frames are
                 * transmitted.
                 */
                return;
        } else {
                slope = ah->eep_ops->get_eeprom(ah, EEP_TEMPSENSE_SLOPE);
 
                if (slope == 0) { /* to avoid divide by zero case */
                        delta = 0;
                } else {
                        delta = ((currPDADC - ah->initPDADC)*4) / slope;
                }
                REG_RMW_FIELD(ah, AR_PHY_CH0_TX_PWRCTRL11,
                              AR_PHY_TX_PWRCTRL_OLPC_TEMP_COMP, delta);
                REG_RMW_FIELD(ah, AR_PHY_CH1_TX_PWRCTRL11,
                              AR_PHY_TX_PWRCTRL_OLPC_TEMP_COMP, delta);
        }
}

References ah, AR_PHY_CH0_TX_PWRCTRL11, AR_PHY_CH1_TX_PWRCTRL11, AR_PHY_TX_PWRCTRL4, AR_PHY_TX_PWRCTRL_OLPC_TEMP_COMP, AR_PHY_TX_PWRCTRL_PD_AVG_OUT, EEP_TEMPSENSE_SLOPE, MS, REG_READ, REG_RMW_FIELD, and u32.

Referenced by ar9002_hw_olc_temp_compensation().

ar9280_hw_olc_temp_compensation()

void ar9280_hw_olc_temp_compensation ( struct ath_hw * ah )

static

Definition at line 411 of file ath9k_ar9002_calib.c.

{
        u32 rddata, i;
        int delta, currPDADC, regval;
 
        rddata = REG_READ(ah, AR_PHY_TX_PWRCTRL4);
        currPDADC = MS(rddata, AR_PHY_TX_PWRCTRL_PD_AVG_OUT);
 
        if (ah->initPDADC == 0 || currPDADC == 0)
                return;
 
        if (ah->eep_ops->get_eeprom(ah, EEP_DAC_HPWR_5G))
                delta = (currPDADC - ah->initPDADC + 4) / 8;
        else
                delta = (currPDADC - ah->initPDADC + 5) / 10;
 
        if (delta != ah->PDADCdelta) {
                ah->PDADCdelta = delta;
                for (i = 1; i < AR9280_TX_GAIN_TABLE_SIZE; i++) {
                        regval = ah->originalGain[i] - delta;
                        if (regval < 0)
                                regval = 0;
 
                        REG_RMW_FIELD(ah,
                                      AR_PHY_TX_GAIN_TBL1 + i * 4,
                                      AR_PHY_TX_GAIN, regval);
                }
        }
}

References ah, AR9280_TX_GAIN_TABLE_SIZE, AR_PHY_TX_GAIN, AR_PHY_TX_GAIN_TBL1, AR_PHY_TX_PWRCTRL4, AR_PHY_TX_PWRCTRL_PD_AVG_OUT, EEP_DAC_HPWR_5G, MS, REG_READ, REG_RMW_FIELD, and u32.

Referenced by ar9002_hw_olc_temp_compensation().

ar9271_hw_pa_cal()

void ar9271_hw_pa_cal ( struct ath_hw * ah, int is_reset )

static

Definition at line 441 of file ath9k_ar9002_calib.c.

{
        u32 regVal;
        unsigned int i;
        u32 regList[][2] = {
                { 0x786c, 0 },
                { 0x7854, 0 },
                { 0x7820, 0 },
                { 0x7824, 0 },
                { 0x7868, 0 },
                { 0x783c, 0 },
                { 0x7838, 0 } ,
                { 0x7828, 0 } ,
        };
 
        for (i = 0; i < ARRAY_SIZE(regList); i++)
                regList[i][1] = REG_READ(ah, regList[i][0]);
 
        regVal = REG_READ(ah, 0x7834);
        regVal &= (~(0x1));
        REG_WRITE(ah, 0x7834, regVal);
        regVal = REG_READ(ah, 0x9808);
        regVal |= (0x1 << 27);
        REG_WRITE(ah, 0x9808, regVal);
 
        /* 786c,b23,1, pwddac=1 */
        REG_RMW_FIELD(ah, AR9285_AN_TOP3, AR9285_AN_TOP3_PWDDAC, 1);
        /* 7854, b5,1, pdrxtxbb=1 */
        REG_RMW_FIELD(ah, AR9285_AN_RXTXBB1, AR9285_AN_RXTXBB1_PDRXTXBB1, 1);
        /* 7854, b7,1, pdv2i=1 */
        REG_RMW_FIELD(ah, AR9285_AN_RXTXBB1, AR9285_AN_RXTXBB1_PDV2I, 1);
        /* 7854, b8,1, pddacinterface=1 */
        REG_RMW_FIELD(ah, AR9285_AN_RXTXBB1, AR9285_AN_RXTXBB1_PDDACIF, 1);
        /* 7824,b12,0, offcal=0 */
        REG_RMW_FIELD(ah, AR9285_AN_RF2G2, AR9285_AN_RF2G2_OFFCAL, 0);
        /* 7838, b1,0, pwddb=0 */
        REG_RMW_FIELD(ah, AR9285_AN_RF2G7, AR9285_AN_RF2G7_PWDDB, 0);
        /* 7820,b11,0, enpacal=0 */
        REG_RMW_FIELD(ah, AR9285_AN_RF2G1, AR9285_AN_RF2G1_ENPACAL, 0);
        /* 7820,b25,1, pdpadrv1=0 */
        REG_RMW_FIELD(ah, AR9285_AN_RF2G1, AR9285_AN_RF2G1_PDPADRV1, 0);
        /* 7820,b24,0, pdpadrv2=0 */
        REG_RMW_FIELD(ah, AR9285_AN_RF2G1, AR9285_AN_RF2G1_PDPADRV2, 0);
        /* 7820,b23,0, pdpaout=0 */
        REG_RMW_FIELD(ah, AR9285_AN_RF2G1, AR9285_AN_RF2G1_PDPAOUT, 0);
        /* 783c,b14-16,7, padrvgn2tab_0=7 */
        REG_RMW_FIELD(ah, AR9285_AN_RF2G8, AR9285_AN_RF2G8_PADRVGN2TAB0, 7);
        /*
         * 7838,b29-31,0, padrvgn1tab_0=0
         * does not matter since we turn it off
         */
        REG_RMW_FIELD(ah, AR9285_AN_RF2G7, AR9285_AN_RF2G7_PADRVGN2TAB0, 0);
 
        REG_RMW_FIELD(ah, AR9285_AN_RF2G3, AR9271_AN_RF2G3_CCOMP, 0xfff);
 
        /* Set:
         * localmode=1,bmode=1,bmoderxtx=1,synthon=1,
         * txon=1,paon=1,oscon=1,synthon_force=1
         */
        REG_WRITE(ah, AR9285_AN_TOP2, 0xca0358a0);
        udelay(30);
        REG_RMW_FIELD(ah, AR9285_AN_RF2G6, AR9271_AN_RF2G6_OFFS, 0);
 
        /* find off_6_1; */
        for (i = 6; i > 0; i--) {
                regVal = REG_READ(ah, 0x7834);
                regVal |= (1 << (20 + i));
                REG_WRITE(ah, 0x7834, regVal);
                udelay(1);
                /* regVal = REG_READ(ah, 0x7834); */
                regVal &= (~(0x1 << (20 + i)));
                regVal |= (MS(REG_READ(ah, 0x7840), AR9285_AN_RXTXBB1_SPARE9)
                            << (20 + i));
                REG_WRITE(ah, 0x7834, regVal);
        }
 
        regVal = (regVal >> 20) & 0x7f;
 
        /* Update PA cal info */
        if ((!is_reset) && ((unsigned int)ah->pacal_info.prev_offset == regVal)) {
                if (ah->pacal_info.max_skipcount < MAX_PACAL_SKIPCOUNT)
                        ah->pacal_info.max_skipcount =
                                2 * ah->pacal_info.max_skipcount;
                ah->pacal_info.skipcount = ah->pacal_info.max_skipcount;
        } else {
                ah->pacal_info.max_skipcount = 1;
                ah->pacal_info.skipcount = 0;
                ah->pacal_info.prev_offset = regVal;
        }
 
        ENABLE_REGWRITE_BUFFER(ah);
 
        regVal = REG_READ(ah, 0x7834);
        regVal |= 0x1;
        REG_WRITE(ah, 0x7834, regVal);
        regVal = REG_READ(ah, 0x9808);
        regVal &= (~(0x1 << 27));
        REG_WRITE(ah, 0x9808, regVal);
 
        for (i = 0; i < ARRAY_SIZE(regList); i++)
                REG_WRITE(ah, regList[i][0], regList[i][1]);
 
        REGWRITE_BUFFER_FLUSH(ah);
}

References ah, AR9271_AN_RF2G3_CCOMP, AR9271_AN_RF2G6_OFFS, AR9285_AN_RF2G1, AR9285_AN_RF2G1_ENPACAL, AR9285_AN_RF2G1_PDPADRV1, AR9285_AN_RF2G1_PDPADRV2, AR9285_AN_RF2G1_PDPAOUT, AR9285_AN_RF2G2, AR9285_AN_RF2G2_OFFCAL, AR9285_AN_RF2G3, AR9285_AN_RF2G6, AR9285_AN_RF2G7, AR9285_AN_RF2G7_PADRVGN2TAB0, AR9285_AN_RF2G7_PWDDB, AR9285_AN_RF2G8, AR9285_AN_RF2G8_PADRVGN2TAB0, AR9285_AN_RXTXBB1, AR9285_AN_RXTXBB1_PDDACIF, AR9285_AN_RXTXBB1_PDRXTXBB1, AR9285_AN_RXTXBB1_PDV2I, AR9285_AN_RXTXBB1_SPARE9, AR9285_AN_TOP2, AR9285_AN_TOP3, AR9285_AN_TOP3_PWDDAC, ARRAY_SIZE, ENABLE_REGWRITE_BUFFER, MAX_PACAL_SKIPCOUNT, MS, REG_READ, REG_RMW_FIELD, REG_WRITE, REGWRITE_BUFFER_FLUSH, u32, and udelay().

Referenced by ar9002_hw_pa_cal().

ar9285_hw_pa_cal()

void ar9285_hw_pa_cal ( struct ath_hw * ah, int is_reset )

inlinestatic

Definition at line 546 of file ath9k_ar9002_calib.c.

{
        u32 regVal;
        unsigned int i;
        int offset, offs_6_1, offs_0;
        u32 ccomp_org, reg_field;
        u32 regList[][2] = {
                { 0x786c, 0 },
                { 0x7854, 0 },
                { 0x7820, 0 },
                { 0x7824, 0 },
                { 0x7868, 0 },
                { 0x783c, 0 },
                { 0x7838, 0 },
        };
 
        DBG2("ath9k: Running PA Calibration\n");
 
        /* PA CAL is not needed for high power solution */
        if (ah->eep_ops->get_eeprom(ah, EEP_TXGAIN_TYPE) ==
            AR5416_EEP_TXGAIN_HIGH_POWER)
                return;
 
        for (i = 0; i < ARRAY_SIZE(regList); i++)
                regList[i][1] = REG_READ(ah, regList[i][0]);
 
        regVal = REG_READ(ah, 0x7834);
        regVal &= (~(0x1));
        REG_WRITE(ah, 0x7834, regVal);
        regVal = REG_READ(ah, 0x9808);
        regVal |= (0x1 << 27);
        REG_WRITE(ah, 0x9808, regVal);
 
        REG_RMW_FIELD(ah, AR9285_AN_TOP3, AR9285_AN_TOP3_PWDDAC, 1);
        REG_RMW_FIELD(ah, AR9285_AN_RXTXBB1, AR9285_AN_RXTXBB1_PDRXTXBB1, 1);
        REG_RMW_FIELD(ah, AR9285_AN_RXTXBB1, AR9285_AN_RXTXBB1_PDV2I, 1);
        REG_RMW_FIELD(ah, AR9285_AN_RXTXBB1, AR9285_AN_RXTXBB1_PDDACIF, 1);
        REG_RMW_FIELD(ah, AR9285_AN_RF2G2, AR9285_AN_RF2G2_OFFCAL, 0);
        REG_RMW_FIELD(ah, AR9285_AN_RF2G7, AR9285_AN_RF2G7_PWDDB, 0);
        REG_RMW_FIELD(ah, AR9285_AN_RF2G1, AR9285_AN_RF2G1_ENPACAL, 0);
        REG_RMW_FIELD(ah, AR9285_AN_RF2G1, AR9285_AN_RF2G1_PDPADRV1, 0);
        REG_RMW_FIELD(ah, AR9285_AN_RF2G1, AR9285_AN_RF2G1_PDPADRV2, 0);
        REG_RMW_FIELD(ah, AR9285_AN_RF2G1, AR9285_AN_RF2G1_PDPAOUT, 0);
        REG_RMW_FIELD(ah, AR9285_AN_RF2G8, AR9285_AN_RF2G8_PADRVGN2TAB0, 7);
        REG_RMW_FIELD(ah, AR9285_AN_RF2G7, AR9285_AN_RF2G7_PADRVGN2TAB0, 0);
        ccomp_org = MS(REG_READ(ah, AR9285_AN_RF2G6), AR9285_AN_RF2G6_CCOMP);
        REG_RMW_FIELD(ah, AR9285_AN_RF2G6, AR9285_AN_RF2G6_CCOMP, 0xf);
 
        REG_WRITE(ah, AR9285_AN_TOP2, 0xca0358a0);
        udelay(30);
        REG_RMW_FIELD(ah, AR9285_AN_RF2G6, AR9285_AN_RF2G6_OFFS, 0);
        REG_RMW_FIELD(ah, AR9285_AN_RF2G3, AR9285_AN_RF2G3_PDVCCOMP, 0);
 
        for (i = 6; i > 0; i--) {
                regVal = REG_READ(ah, 0x7834);
                regVal |= (1 << (19 + i));
                REG_WRITE(ah, 0x7834, regVal);
                udelay(1);
                regVal = REG_READ(ah, 0x7834);
                regVal &= (~(0x1 << (19 + i)));
                reg_field = MS(REG_READ(ah, 0x7840), AR9285_AN_RXTXBB1_SPARE9);
                regVal |= (reg_field << (19 + i));
                REG_WRITE(ah, 0x7834, regVal);
        }
 
        REG_RMW_FIELD(ah, AR9285_AN_RF2G3, AR9285_AN_RF2G3_PDVCCOMP, 1);
        udelay(1);
        reg_field = MS(REG_READ(ah, AR9285_AN_RF2G9), AR9285_AN_RXTXBB1_SPARE9);
        REG_RMW_FIELD(ah, AR9285_AN_RF2G3, AR9285_AN_RF2G3_PDVCCOMP, reg_field);
        offs_6_1 = MS(REG_READ(ah, AR9285_AN_RF2G6), AR9285_AN_RF2G6_OFFS);
        offs_0   = MS(REG_READ(ah, AR9285_AN_RF2G3), AR9285_AN_RF2G3_PDVCCOMP);
 
        offset = (offs_6_1<<1) | offs_0;
        offset = offset - 0;
        offs_6_1 = offset>>1;
        offs_0 = offset & 1;
 
        if ((!is_reset) && (ah->pacal_info.prev_offset == offset)) {
                if (ah->pacal_info.max_skipcount < MAX_PACAL_SKIPCOUNT)
                        ah->pacal_info.max_skipcount =
                                2 * ah->pacal_info.max_skipcount;
                ah->pacal_info.skipcount = ah->pacal_info.max_skipcount;
        } else {
                ah->pacal_info.max_skipcount = 1;
                ah->pacal_info.skipcount = 0;
                ah->pacal_info.prev_offset = offset;
        }
 
        REG_RMW_FIELD(ah, AR9285_AN_RF2G6, AR9285_AN_RF2G6_OFFS, offs_6_1);
        REG_RMW_FIELD(ah, AR9285_AN_RF2G3, AR9285_AN_RF2G3_PDVCCOMP, offs_0);
 
        regVal = REG_READ(ah, 0x7834);
        regVal |= 0x1;
        REG_WRITE(ah, 0x7834, regVal);
        regVal = REG_READ(ah, 0x9808);
        regVal &= (~(0x1 << 27));
        REG_WRITE(ah, 0x9808, regVal);
 
        for (i = 0; i < ARRAY_SIZE(regList); i++)
                REG_WRITE(ah, regList[i][0], regList[i][1]);
 
        REG_RMW_FIELD(ah, AR9285_AN_RF2G6, AR9285_AN_RF2G6_CCOMP, ccomp_org);
}

References ah, AR5416_EEP_TXGAIN_HIGH_POWER, AR9285_AN_RF2G1, AR9285_AN_RF2G1_ENPACAL, AR9285_AN_RF2G1_PDPADRV1, AR9285_AN_RF2G1_PDPADRV2, AR9285_AN_RF2G1_PDPAOUT, AR9285_AN_RF2G2, AR9285_AN_RF2G2_OFFCAL, AR9285_AN_RF2G3, AR9285_AN_RF2G3_PDVCCOMP, AR9285_AN_RF2G6, AR9285_AN_RF2G6_CCOMP, AR9285_AN_RF2G6_OFFS, AR9285_AN_RF2G7, AR9285_AN_RF2G7_PADRVGN2TAB0, AR9285_AN_RF2G7_PWDDB, AR9285_AN_RF2G8, AR9285_AN_RF2G8_PADRVGN2TAB0, AR9285_AN_RF2G9, AR9285_AN_RXTXBB1, AR9285_AN_RXTXBB1_PDDACIF, AR9285_AN_RXTXBB1_PDRXTXBB1, AR9285_AN_RXTXBB1_PDV2I, AR9285_AN_RXTXBB1_SPARE9, AR9285_AN_TOP2, AR9285_AN_TOP3, AR9285_AN_TOP3_PWDDAC, ARRAY_SIZE, DBG2, EEP_TXGAIN_TYPE, MAX_PACAL_SKIPCOUNT, MS, offset, REG_READ, REG_RMW_FIELD, REG_WRITE, u32, and udelay().

Referenced by ar9002_hw_pa_cal().

ar9002_hw_pa_cal()

void ar9002_hw_pa_cal ( struct ath_hw * ah, int is_reset )

static

Definition at line 650 of file ath9k_ar9002_calib.c.

{
        if (AR_SREV_9271(ah)) {
                if (is_reset || !ah->pacal_info.skipcount)
                        ar9271_hw_pa_cal(ah, is_reset);
                else
                        ah->pacal_info.skipcount--;
        } else if (AR_SREV_9285_12_OR_LATER(ah)) {
                if (is_reset || !ah->pacal_info.skipcount)
                        ar9285_hw_pa_cal(ah, is_reset);
                else
                        ah->pacal_info.skipcount--;
        }
}

References ah, ar9271_hw_pa_cal(), ar9285_hw_pa_cal(), AR_SREV_9271, and AR_SREV_9285_12_OR_LATER.

Referenced by ar9002_hw_calibrate(), and ar9002_hw_init_cal().

ar9002_hw_olc_temp_compensation()

void ar9002_hw_olc_temp_compensation ( struct ath_hw * ah )

static

Definition at line 665 of file ath9k_ar9002_calib.c.

{
        if (OLC_FOR_AR9287_10_LATER)
                ar9287_hw_olc_temp_compensation(ah);
        else if (OLC_FOR_AR9280_20_LATER)
                ar9280_hw_olc_temp_compensation(ah);
}

References ah, ar9280_hw_olc_temp_compensation(), ar9287_hw_olc_temp_compensation(), OLC_FOR_AR9280_20_LATER, and OLC_FOR_AR9287_10_LATER.

Referenced by ar9002_hw_calibrate().

ar9002_hw_calibrate()

int ar9002_hw_calibrate ( struct ath_hw * ah, struct ath9k_channel * chan, u8 rxchainmask, int longcal )

static

Definition at line 673 of file ath9k_ar9002_calib.c.

{
        int iscaldone = 1;
        struct ath9k_cal_list *currCal = ah->cal_list_curr;
        int nfcal, nfcal_pending = 0;
 
        nfcal = !!(REG_READ(ah, AR_PHY_AGC_CONTROL) & AR_PHY_AGC_CONTROL_NF);
        if (ah->caldata)
                nfcal_pending = ah->caldata->nfcal_pending;
 
        if (currCal && !nfcal &&
            (currCal->calState == CAL_RUNNING ||
             currCal->calState == CAL_WAITING)) {
                iscaldone = ar9002_hw_per_calibration(ah, chan,
                                                      rxchainmask, currCal);
                if (iscaldone) {
                        ah->cal_list_curr = currCal = currCal->calNext;
 
                        if (currCal->calState == CAL_WAITING) {
                                iscaldone = 0;
                                ath9k_hw_reset_calibration(ah, currCal);
                        }
                }
        }
 
        /* Do NF cal only at longer intervals */
        if (longcal || nfcal_pending) {
                /*
                 * Get the value from the previous NF cal and update
                 * history buffer.
                 */
                if (ath9k_hw_getnf(ah, chan)) {
                        /*
                         * Load the NF from history buffer of the current
                         * channel.
                         * NF is slow time-variant, so it is OK to use a
                         * historical value.
                         */
                        ath9k_hw_loadnf(ah, ah->curchan);
                }
 
                if (longcal) {
                        ath9k_hw_start_nfcal(ah, 0);
                        /* Do periodic PAOffset Cal */
                        ar9002_hw_pa_cal(ah, 0);
                        ar9002_hw_olc_temp_compensation(ah);
                }
        }
 
        return iscaldone;
}

References ah, ar9002_hw_olc_temp_compensation(), ar9002_hw_pa_cal(), ar9002_hw_per_calibration(), AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_NF, ath9k_hw_getnf(), ath9k_hw_loadnf(), ath9k_hw_reset_calibration(), ath9k_hw_start_nfcal(), CAL_RUNNING, CAL_WAITING, ath9k_cal_list::calNext, ath9k_cal_list::calState, REG_READ, and u8.

Referenced by ar9002_hw_attach_calib_ops().

ar9285_hw_cl_cal()

int ar9285_hw_cl_cal ( struct ath_hw * ah, struct ath9k_channel * chan )

static

Definition at line 729 of file ath9k_ar9002_calib.c.

{
        REG_SET_BIT(ah, AR_PHY_CL_CAL_CTL, AR_PHY_CL_CAL_ENABLE);
        if (IS_CHAN_HT20(chan)) {
                REG_SET_BIT(ah, AR_PHY_CL_CAL_CTL, AR_PHY_PARALLEL_CAL_ENABLE);
                REG_SET_BIT(ah, AR_PHY_TURBO, AR_PHY_FC_DYN2040_EN);
                REG_CLR_BIT(ah, AR_PHY_AGC_CONTROL,
                            AR_PHY_AGC_CONTROL_FLTR_CAL);
                REG_CLR_BIT(ah, AR_PHY_TPCRG1, AR_PHY_TPCRG1_PD_CAL_ENABLE);
                REG_SET_BIT(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_CAL);
                if (!ath9k_hw_wait(ah, AR_PHY_AGC_CONTROL,
                                  AR_PHY_AGC_CONTROL_CAL, 0, AH_WAIT_TIMEOUT)) {
                        DBG("ath9k: "
                                "offset calibration failed to complete in 1ms; noisy environment?\n");
                        return 0;
                }
                REG_CLR_BIT(ah, AR_PHY_TURBO, AR_PHY_FC_DYN2040_EN);
                REG_CLR_BIT(ah, AR_PHY_CL_CAL_CTL, AR_PHY_PARALLEL_CAL_ENABLE);
                REG_CLR_BIT(ah, AR_PHY_CL_CAL_CTL, AR_PHY_CL_CAL_ENABLE);
        }
        REG_CLR_BIT(ah, AR_PHY_ADC_CTL, AR_PHY_ADC_CTL_OFF_PWDADC);
        REG_SET_BIT(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_FLTR_CAL);
        REG_SET_BIT(ah, AR_PHY_TPCRG1, AR_PHY_TPCRG1_PD_CAL_ENABLE);
        REG_SET_BIT(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_CAL);
        if (!ath9k_hw_wait(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_CAL,
                          0, AH_WAIT_TIMEOUT)) {
                DBG("ath9k: "
                        "offset calibration failed to complete in 1ms; noisy environment?\n");
                return 0;
        }
 
        REG_SET_BIT(ah, AR_PHY_ADC_CTL, AR_PHY_ADC_CTL_OFF_PWDADC);
        REG_CLR_BIT(ah, AR_PHY_CL_CAL_CTL, AR_PHY_CL_CAL_ENABLE);
        REG_CLR_BIT(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_FLTR_CAL);
 
        return 1;
}

References ah, AH_WAIT_TIMEOUT, AR_PHY_ADC_CTL, AR_PHY_ADC_CTL_OFF_PWDADC, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_CAL, AR_PHY_AGC_CONTROL_FLTR_CAL, AR_PHY_CL_CAL_CTL, AR_PHY_CL_CAL_ENABLE, AR_PHY_FC_DYN2040_EN, AR_PHY_PARALLEL_CAL_ENABLE, AR_PHY_TPCRG1, AR_PHY_TPCRG1_PD_CAL_ENABLE, AR_PHY_TURBO, ath9k_hw_wait(), DBG, IS_CHAN_HT20, REG_CLR_BIT, and REG_SET_BIT.

Referenced by ar9002_hw_init_cal(), and ar9285_hw_clc().

ar9285_hw_clc()

int ar9285_hw_clc ( struct ath_hw * ah, struct ath9k_channel * chan )

static

Definition at line 767 of file ath9k_ar9002_calib.c.

{
        unsigned int i;
        uint32_t txgain_max;
        uint32_t clc_gain, gain_mask = 0, clc_num = 0;
        uint32_t reg_clc_I0, reg_clc_Q0;
        uint32_t i0_num = 0;
        uint32_t q0_num = 0;
        uint32_t total_num = 0;
        uint32_t reg_rf2g5_org;
        int retv = 1;
 
        if (!(ar9285_hw_cl_cal(ah, chan)))
                return 0;
 
        txgain_max = MS(REG_READ(ah, AR_PHY_TX_PWRCTRL7),
                        AR_PHY_TX_PWRCTRL_TX_GAIN_TAB_MAX);
 
        for (i = 0; i < (txgain_max+1); i++) {
                clc_gain = (REG_READ(ah, (AR_PHY_TX_GAIN_TBL1+(i<<2))) &
                           AR_PHY_TX_GAIN_CLC) >> AR_PHY_TX_GAIN_CLC_S;
                if (!(gain_mask & (1 << clc_gain))) {
                        gain_mask |= (1 << clc_gain);
                        clc_num++;
                }
        }
 
        for (i = 0; i < clc_num; i++) {
                reg_clc_I0 = (REG_READ(ah, (AR_PHY_CLC_TBL1 + (i << 2)))
                              & AR_PHY_CLC_I0) >> AR_PHY_CLC_I0_S;
                reg_clc_Q0 = (REG_READ(ah, (AR_PHY_CLC_TBL1 + (i << 2)))
                              & AR_PHY_CLC_Q0) >> AR_PHY_CLC_Q0_S;
                if (reg_clc_I0 == 0)
                        i0_num++;
 
                if (reg_clc_Q0 == 0)
                        q0_num++;
        }
        total_num = i0_num + q0_num;
        if (total_num > AR9285_CLCAL_REDO_THRESH) {
                reg_rf2g5_org = REG_READ(ah, AR9285_RF2G5);
                if (AR_SREV_9285E_20(ah)) {
                        REG_WRITE(ah, AR9285_RF2G5,
                                  (reg_rf2g5_org & AR9285_RF2G5_IC50TX) |
                                  AR9285_RF2G5_IC50TX_XE_SET);
                } else {
                        REG_WRITE(ah, AR9285_RF2G5,
                                  (reg_rf2g5_org & AR9285_RF2G5_IC50TX) |
                                  AR9285_RF2G5_IC50TX_SET);
                }
                retv = ar9285_hw_cl_cal(ah, chan);
                REG_WRITE(ah, AR9285_RF2G5, reg_rf2g5_org);
        }
        return retv;
}

References ah, AR9285_CLCAL_REDO_THRESH, ar9285_hw_cl_cal(), AR9285_RF2G5, AR9285_RF2G5_IC50TX, AR9285_RF2G5_IC50TX_SET, AR9285_RF2G5_IC50TX_XE_SET, AR_PHY_CLC_I0, AR_PHY_CLC_I0_S, AR_PHY_CLC_Q0, AR_PHY_CLC_Q0_S, AR_PHY_CLC_TBL1, AR_PHY_TX_GAIN_CLC, AR_PHY_TX_GAIN_CLC_S, AR_PHY_TX_GAIN_TBL1, AR_PHY_TX_PWRCTRL7, AR_PHY_TX_PWRCTRL_TX_GAIN_TAB_MAX, AR_SREV_9285E_20, MS, REG_READ, and REG_WRITE.

Referenced by ar9002_hw_init_cal().

ar9002_hw_init_cal()

int ar9002_hw_init_cal ( struct ath_hw * ah, struct ath9k_channel * chan )

static

Definition at line 823 of file ath9k_ar9002_calib.c.

{
        if (AR_SREV_9271(ah)) {
                if (!ar9285_hw_cl_cal(ah, chan))
                        return 0;
        } else if (AR_SREV_9285(ah) && AR_SREV_9285_12_OR_LATER(ah)) {
                if (!ar9285_hw_clc(ah, chan))
                        return 0;
        } else {
                if (AR_SREV_9280_20_OR_LATER(ah)) {
                        if (!AR_SREV_9287_11_OR_LATER(ah))
                                REG_CLR_BIT(ah, AR_PHY_ADC_CTL,
                                            AR_PHY_ADC_CTL_OFF_PWDADC);
                        REG_SET_BIT(ah, AR_PHY_AGC_CONTROL,
                                    AR_PHY_AGC_CONTROL_FLTR_CAL);
                }
 
                /* Calibrate the AGC */
                REG_WRITE(ah, AR_PHY_AGC_CONTROL,
                          REG_READ(ah, AR_PHY_AGC_CONTROL) |
                          AR_PHY_AGC_CONTROL_CAL);
 
                /* Poll for offset calibration complete */
                if (!ath9k_hw_wait(ah, AR_PHY_AGC_CONTROL,
                                   AR_PHY_AGC_CONTROL_CAL,
                                   0, AH_WAIT_TIMEOUT)) {
                        DBG("ath9k: "
                                "offset calibration failed to complete in 1ms; noisy environment?\n");
                        return 0;
                }
 
                if (AR_SREV_9280_20_OR_LATER(ah)) {
                        if (!AR_SREV_9287_11_OR_LATER(ah))
                                REG_SET_BIT(ah, AR_PHY_ADC_CTL,
                                            AR_PHY_ADC_CTL_OFF_PWDADC);
                        REG_CLR_BIT(ah, AR_PHY_AGC_CONTROL,
                                    AR_PHY_AGC_CONTROL_FLTR_CAL);
                }
        }
 
        /* Do PA Calibration */
        ar9002_hw_pa_cal(ah, 1);
 
        /* Do NF Calibration after DC offset and other calibrations */
        ath9k_hw_start_nfcal(ah, 1);
 
        if (ah->caldata)
                ah->caldata->nfcal_pending = 1;
 
        ah->cal_list = ah->cal_list_last = ah->cal_list_curr = NULL;
 
        /* Enable IQ, ADC Gain and ADC DC offset CALs */
        if (AR_SREV_9100(ah) || AR_SREV_9160_10_OR_LATER(ah)) {
                ah->supp_cals = IQ_MISMATCH_CAL;
 
                if (AR_SREV_9160_10_OR_LATER(ah))
                        ah->supp_cals |= ADC_GAIN_CAL | ADC_DC_CAL;
 
                if (AR_SREV_9287(ah))
                        ah->supp_cals &= ~ADC_GAIN_CAL;
 
                if (ar9002_hw_is_cal_supported(ah, chan, ADC_GAIN_CAL)) {
                        INIT_CAL(&ah->adcgain_caldata);
                        INSERT_CAL(ah, &ah->adcgain_caldata);
                        DBG2("ath9k: "
                                        "enabling ADC Gain Calibration.\n");
                }
 
                if (ar9002_hw_is_cal_supported(ah, chan, ADC_DC_CAL)) {
                        INIT_CAL(&ah->adcdc_caldata);
                        INSERT_CAL(ah, &ah->adcdc_caldata);
                        DBG2("ath9k: "
                                        "enabling ADC DC Calibration.\n");
                }
 
                if (ar9002_hw_is_cal_supported(ah, chan, IQ_MISMATCH_CAL)) {
                        INIT_CAL(&ah->iq_caldata);
                        INSERT_CAL(ah, &ah->iq_caldata);
                        DBG2("ath9k: "
                                        "enabling IQ Calibration.\n");
                }
 
                ah->cal_list_curr = ah->cal_list;
 
                if (ah->cal_list_curr)
                        ath9k_hw_reset_calibration(ah, ah->cal_list_curr);
        }
 
        if (ah->caldata)
                ah->caldata->CalValid = 0;
 
        return 1;
}

References ADC_DC_CAL, ADC_GAIN_CAL, ah, AH_WAIT_TIMEOUT, ar9002_hw_is_cal_supported(), ar9002_hw_pa_cal(), ar9285_hw_cl_cal(), ar9285_hw_clc(), AR_PHY_ADC_CTL, AR_PHY_ADC_CTL_OFF_PWDADC, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_CAL, AR_PHY_AGC_CONTROL_FLTR_CAL, AR_SREV_9100, AR_SREV_9160_10_OR_LATER, AR_SREV_9271, AR_SREV_9280_20_OR_LATER, AR_SREV_9285, AR_SREV_9285_12_OR_LATER, AR_SREV_9287, AR_SREV_9287_11_OR_LATER, ath9k_hw_reset_calibration(), ath9k_hw_start_nfcal(), ath9k_hw_wait(), DBG, DBG2, INIT_CAL, INSERT_CAL, IQ_MISMATCH_CAL, NULL, REG_CLR_BIT, REG_READ, REG_SET_BIT, and REG_WRITE.

Referenced by ar9002_hw_attach_calib_ops().

ar9002_hw_init_cal_settings()

void ar9002_hw_init_cal_settings ( struct ath_hw * ah )

static

Definition at line 960 of file ath9k_ar9002_calib.c.

{
        if (AR_SREV_9100(ah)) {
                ah->iq_caldata.calData = &iq_cal_multi_sample;
                ah->supp_cals = IQ_MISMATCH_CAL;
                return;
        }
 
        if (AR_SREV_9160_10_OR_LATER(ah)) {
                if (AR_SREV_9280_20_OR_LATER(ah)) {
                        ah->iq_caldata.calData = &iq_cal_single_sample;
                        ah->adcgain_caldata.calData =
                                &adc_gain_cal_single_sample;
                        ah->adcdc_caldata.calData =
                                &adc_dc_cal_single_sample;
                } else {
                        ah->iq_caldata.calData = &iq_cal_multi_sample;
                        ah->adcgain_caldata.calData =
                                &adc_gain_cal_multi_sample;
                        ah->adcdc_caldata.calData =
                                &adc_dc_cal_multi_sample;
                }
                ah->supp_cals = ADC_GAIN_CAL | ADC_DC_CAL | IQ_MISMATCH_CAL;
 
                if (AR_SREV_9287(ah))
                        ah->supp_cals &= ~ADC_GAIN_CAL;
        }
}

References ADC_DC_CAL, adc_dc_cal_multi_sample, adc_dc_cal_single_sample, ADC_GAIN_CAL, adc_gain_cal_multi_sample, adc_gain_cal_single_sample, ah, AR_SREV_9100, AR_SREV_9160_10_OR_LATER, AR_SREV_9280_20_OR_LATER, AR_SREV_9287, iq_cal_multi_sample, iq_cal_single_sample, and IQ_MISMATCH_CAL.

Referenced by ar9002_hw_attach_calib_ops().

ar9002_hw_attach_calib_ops()

void ar9002_hw_attach_calib_ops

(

struct ath_hw *

ah

)

Definition at line 989 of file ath9k_ar9002_calib.c.

{
        struct ath_hw_private_ops *priv_ops = ath9k_hw_private_ops(ah);
        struct ath_hw_ops *ops = ath9k_hw_ops(ah);
 
        priv_ops->init_cal_settings = ar9002_hw_init_cal_settings;
        priv_ops->init_cal = ar9002_hw_init_cal;
        priv_ops->setup_calibration = ar9002_hw_setup_calibration;
 
        ops->calibrate = ar9002_hw_calibrate;
}

References ah, ar9002_hw_calibrate(), ar9002_hw_init_cal(), ar9002_hw_init_cal_settings(), ar9002_hw_setup_calibration(), ath9k_hw_ops(), ath9k_hw_private_ops(), ath_hw_ops::calibrate, ath_hw_private_ops::init_cal, ath_hw_private_ops::init_cal_settings, and ath_hw_private_ops::setup_calibration.

Referenced by ar9002_hw_attach_ops().

Variable Documentation

iq_cal_multi_sample

const struct ath9k_percal_data iq_cal_multi_sample

static

Initial value:

= {
        IQ_MISMATCH_CAL,
        MAX_CAL_SAMPLES,
        PER_MIN_LOG_COUNT,
        ar9002_hw_iqcal_collect,
        ar9002_hw_iqcalibrate
}

Definition at line 917 of file ath9k_ar9002_calib.c.

                                                            {
        IQ_MISMATCH_CAL,
        MAX_CAL_SAMPLES,
        PER_MIN_LOG_COUNT,
        ar9002_hw_iqcal_collect,
        ar9002_hw_iqcalibrate
};

Referenced by ar9002_hw_init_cal_settings().

iq_cal_single_sample

const struct ath9k_percal_data iq_cal_single_sample

static

Initial value:

= {
        IQ_MISMATCH_CAL,
        MIN_CAL_SAMPLES,
        PER_MAX_LOG_COUNT,
        ar9002_hw_iqcal_collect,
        ar9002_hw_iqcalibrate
}

Definition at line 924 of file ath9k_ar9002_calib.c.

                                                             {
        IQ_MISMATCH_CAL,
        MIN_CAL_SAMPLES,
        PER_MAX_LOG_COUNT,
        ar9002_hw_iqcal_collect,
        ar9002_hw_iqcalibrate
};

Referenced by ar9002_hw_init_cal_settings(), and ar9003_hw_init_cal_settings().

adc_gain_cal_multi_sample

const struct ath9k_percal_data adc_gain_cal_multi_sample

static

Initial value:

= {
        ADC_GAIN_CAL,
        MAX_CAL_SAMPLES,
        PER_MIN_LOG_COUNT,
        ar9002_hw_adc_gaincal_collect,
        ar9002_hw_adc_gaincal_calibrate
}

Definition at line 931 of file ath9k_ar9002_calib.c.

                                                                  {
        ADC_GAIN_CAL,
        MAX_CAL_SAMPLES,
        PER_MIN_LOG_COUNT,
        ar9002_hw_adc_gaincal_collect,
        ar9002_hw_adc_gaincal_calibrate
};

Referenced by ar9002_hw_init_cal_settings().

adc_gain_cal_single_sample

const struct ath9k_percal_data adc_gain_cal_single_sample

static

Initial value:

= {
        ADC_GAIN_CAL,
        MIN_CAL_SAMPLES,
        PER_MAX_LOG_COUNT,
        ar9002_hw_adc_gaincal_collect,
        ar9002_hw_adc_gaincal_calibrate
}

Definition at line 938 of file ath9k_ar9002_calib.c.

                                                                   {
        ADC_GAIN_CAL,
        MIN_CAL_SAMPLES,
        PER_MAX_LOG_COUNT,
        ar9002_hw_adc_gaincal_collect,
        ar9002_hw_adc_gaincal_calibrate
};

Referenced by ar9002_hw_init_cal_settings().

adc_dc_cal_multi_sample

const struct ath9k_percal_data adc_dc_cal_multi_sample

static

Initial value:

= {
        ADC_DC_CAL,
        MAX_CAL_SAMPLES,
        PER_MIN_LOG_COUNT,
        ar9002_hw_adc_dccal_collect,
        ar9002_hw_adc_dccal_calibrate
}

Definition at line 945 of file ath9k_ar9002_calib.c.

                                                                {
        ADC_DC_CAL,
        MAX_CAL_SAMPLES,
        PER_MIN_LOG_COUNT,
        ar9002_hw_adc_dccal_collect,
        ar9002_hw_adc_dccal_calibrate
};

Referenced by ar9002_hw_init_cal_settings().

adc_dc_cal_single_sample

const struct ath9k_percal_data adc_dc_cal_single_sample

static

Initial value:

= {
        ADC_DC_CAL,
        MIN_CAL_SAMPLES,
        PER_MAX_LOG_COUNT,
        ar9002_hw_adc_dccal_collect,
        ar9002_hw_adc_dccal_calibrate
}

Definition at line 952 of file ath9k_ar9002_calib.c.

                                                                 {
        ADC_DC_CAL,
        MIN_CAL_SAMPLES,
        PER_MAX_LOG_COUNT,
        ar9002_hw_adc_dccal_collect,
        ar9002_hw_adc_dccal_calibrate
};

Referenced by ar9002_hw_init_cal_settings().