diff options
Diffstat (limited to 'drivers/net/wireless/ath9k/calib.c')
| -rw-r--r-- | drivers/net/wireless/ath9k/calib.c | 190 |
1 files changed, 86 insertions, 104 deletions
diff --git a/drivers/net/wireless/ath9k/calib.c b/drivers/net/wireless/ath9k/calib.c index 69ff01ce968..1fc3a08e85c 100644 --- a/drivers/net/wireless/ath9k/calib.c +++ b/drivers/net/wireless/ath9k/calib.c @@ -14,10 +14,7 @@ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ -#include "core.h" -#include "hw.h" -#include "reg.h" -#include "phy.h" +#include "ath9k.h" /* We can tune this as we go by monitoring really low values */ #define ATH9K_NF_TOO_LOW -60 @@ -26,7 +23,7 @@ * is incorrect and we should use the static NF value. Later we can try to * find out why they are reporting these values */ -static bool ath9k_hw_nf_in_range(struct ath_hal *ah, s16 nf) +static bool ath9k_hw_nf_in_range(struct ath_hw *ah, s16 nf) { if (nf > ATH9K_NF_TOO_LOW) { DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE, @@ -89,7 +86,7 @@ static void ath9k_hw_update_nfcal_hist_buffer(struct ath9k_nfcal_hist *h, return; } -static void ath9k_hw_do_getnf(struct ath_hal *ah, +static void ath9k_hw_do_getnf(struct ath_hw *ah, int16_t nfarray[NUM_NF_READINGS]) { int16_t nf; @@ -169,16 +166,16 @@ static void ath9k_hw_do_getnf(struct ath_hal *ah, } } -static bool getNoiseFloorThresh(struct ath_hal *ah, +static bool getNoiseFloorThresh(struct ath_hw *ah, enum ieee80211_band band, int16_t *nft) { switch (band) { case IEEE80211_BAND_5GHZ: - *nft = (int8_t)ath9k_hw_get_eeprom(ah, EEP_NFTHRESH_5); + *nft = (int8_t)ah->eep_ops->get_eeprom(ah, EEP_NFTHRESH_5); break; case IEEE80211_BAND_2GHZ: - *nft = (int8_t)ath9k_hw_get_eeprom(ah, EEP_NFTHRESH_2); + *nft = (int8_t)ah->eep_ops->get_eeprom(ah, EEP_NFTHRESH_2); break; default: BUG_ON(1); @@ -188,7 +185,7 @@ static bool getNoiseFloorThresh(struct ath_hal *ah, return true; } -static void ath9k_hw_setup_calibration(struct ath_hal *ah, +static void ath9k_hw_setup_calibration(struct ath_hw *ah, struct hal_cal_list *currCal) { REG_RMW_FIELD(ah, AR_PHY_TIMING_CTRL4(0), @@ -222,10 +219,9 @@ static void ath9k_hw_setup_calibration(struct ath_hal *ah, AR_PHY_TIMING_CTRL4_DO_CAL); } -static void ath9k_hw_reset_calibration(struct ath_hal *ah, +static void ath9k_hw_reset_calibration(struct ath_hw *ah, struct hal_cal_list *currCal) { - struct ath_hal_5416 *ahp = AH5416(ah); int i; ath9k_hw_setup_calibration(ah, currCal); @@ -233,23 +229,21 @@ static void ath9k_hw_reset_calibration(struct ath_hal *ah, currCal->calState = CAL_RUNNING; for (i = 0; i < AR5416_MAX_CHAINS; i++) { - ahp->ah_Meas0.sign[i] = 0; - ahp->ah_Meas1.sign[i] = 0; - ahp->ah_Meas2.sign[i] = 0; - ahp->ah_Meas3.sign[i] = 0; + ah->meas0.sign[i] = 0; + ah->meas1.sign[i] = 0; + ah->meas2.sign[i] = 0; + ah->meas3.sign[i] = 0; } - ahp->ah_CalSamples = 0; + ah->cal_samples = 0; } -static void ath9k_hw_per_calibration(struct ath_hal *ah, +static void ath9k_hw_per_calibration(struct ath_hw *ah, struct ath9k_channel *ichan, u8 rxchainmask, struct hal_cal_list *currCal, bool *isCalDone) { - struct ath_hal_5416 *ahp = AH5416(ah); - *isCalDone = false; if (currCal->calState == CAL_RUNNING) { @@ -257,9 +251,9 @@ static void ath9k_hw_per_calibration(struct ath_hal *ah, AR_PHY_TIMING_CTRL4_DO_CAL)) { currCal->calData->calCollect(ah); - ahp->ah_CalSamples++; + ah->cal_samples++; - if (ahp->ah_CalSamples >= currCal->calData->calNumSamples) { + if (ah->cal_samples >= currCal->calData->calNumSamples) { int i, numChains = 0; for (i = 0; i < AR5416_MAX_CHAINS; i++) { if (rxchainmask & (1 << i)) @@ -280,13 +274,12 @@ static void ath9k_hw_per_calibration(struct ath_hal *ah, } /* Assumes you are talking about the currently configured channel */ -static bool ath9k_hw_iscal_supported(struct ath_hal *ah, +static bool ath9k_hw_iscal_supported(struct ath_hw *ah, enum hal_cal_types calType) { - struct ath_hal_5416 *ahp = AH5416(ah); struct ieee80211_conf *conf = &ah->ah_sc->hw->conf; - switch (calType & ahp->ah_suppCals) { + switch (calType & ah->supp_cals) { case IQ_MISMATCH_CAL: /* Both 2 GHz and 5 GHz support OFDM */ return true; case ADC_GAIN_CAL: @@ -299,90 +292,86 @@ static bool ath9k_hw_iscal_supported(struct ath_hal *ah, return false; } -static void ath9k_hw_iqcal_collect(struct ath_hal *ah) +static void ath9k_hw_iqcal_collect(struct ath_hw *ah) { - struct ath_hal_5416 *ahp = AH5416(ah); int i; for (i = 0; i < AR5416_MAX_CHAINS; i++) { - ahp->ah_totalPowerMeasI[i] += + ah->totalPowerMeasI[i] += REG_READ(ah, AR_PHY_CAL_MEAS_0(i)); - ahp->ah_totalPowerMeasQ[i] += + ah->totalPowerMeasQ[i] += REG_READ(ah, AR_PHY_CAL_MEAS_1(i)); - ahp->ah_totalIqCorrMeas[i] += + ah->totalIqCorrMeas[i] += (int32_t) REG_READ(ah, AR_PHY_CAL_MEAS_2(i)); DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE, "%d: Chn %d pmi=0x%08x;pmq=0x%08x;iqcm=0x%08x;\n", - ahp->ah_CalSamples, i, ahp->ah_totalPowerMeasI[i], - ahp->ah_totalPowerMeasQ[i], - ahp->ah_totalIqCorrMeas[i]); + ah->cal_samples, i, ah->totalPowerMeasI[i], + ah->totalPowerMeasQ[i], + ah->totalIqCorrMeas[i]); } } -static void ath9k_hw_adc_gaincal_collect(struct ath_hal *ah) +static void ath9k_hw_adc_gaincal_collect(struct ath_hw *ah) { - struct ath_hal_5416 *ahp = AH5416(ah); int i; for (i = 0; i < AR5416_MAX_CHAINS; i++) { - ahp->ah_totalAdcIOddPhase[i] += + ah->totalAdcIOddPhase[i] += REG_READ(ah, AR_PHY_CAL_MEAS_0(i)); - ahp->ah_totalAdcIEvenPhase[i] += + ah->totalAdcIEvenPhase[i] += REG_READ(ah, AR_PHY_CAL_MEAS_1(i)); - ahp->ah_totalAdcQOddPhase[i] += + ah->totalAdcQOddPhase[i] += REG_READ(ah, AR_PHY_CAL_MEAS_2(i)); - ahp->ah_totalAdcQEvenPhase[i] += + ah->totalAdcQEvenPhase[i] += REG_READ(ah, AR_PHY_CAL_MEAS_3(i)); DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE, "%d: Chn %d oddi=0x%08x; eveni=0x%08x; " "oddq=0x%08x; evenq=0x%08x;\n", - ahp->ah_CalSamples, i, - ahp->ah_totalAdcIOddPhase[i], - ahp->ah_totalAdcIEvenPhase[i], - ahp->ah_totalAdcQOddPhase[i], - ahp->ah_totalAdcQEvenPhase[i]); + ah->cal_samples, i, + ah->totalAdcIOddPhase[i], + ah->totalAdcIEvenPhase[i], + ah->totalAdcQOddPhase[i], + ah->totalAdcQEvenPhase[i]); } } -static void ath9k_hw_adc_dccal_collect(struct ath_hal *ah) +static void ath9k_hw_adc_dccal_collect(struct ath_hw *ah) { - struct ath_hal_5416 *ahp = AH5416(ah); int i; for (i = 0; i < AR5416_MAX_CHAINS; i++) { - ahp->ah_totalAdcDcOffsetIOddPhase[i] += + ah->totalAdcDcOffsetIOddPhase[i] += (int32_t) REG_READ(ah, AR_PHY_CAL_MEAS_0(i)); - ahp->ah_totalAdcDcOffsetIEvenPhase[i] += + ah->totalAdcDcOffsetIEvenPhase[i] += (int32_t) REG_READ(ah, AR_PHY_CAL_MEAS_1(i)); - ahp->ah_totalAdcDcOffsetQOddPhase[i] += + ah->totalAdcDcOffsetQOddPhase[i] += (int32_t) REG_READ(ah, AR_PHY_CAL_MEAS_2(i)); - ahp->ah_totalAdcDcOffsetQEvenPhase[i] += + ah->totalAdcDcOffsetQEvenPhase[i] += (int32_t) REG_READ(ah, AR_PHY_CAL_MEAS_3(i)); DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE, "%d: Chn %d oddi=0x%08x; eveni=0x%08x; " "oddq=0x%08x; evenq=0x%08x;\n", - ahp->ah_CalSamples, i, - ahp->ah_totalAdcDcOffsetIOddPhase[i], - ahp->ah_totalAdcDcOffsetIEvenPhase[i], - ahp->ah_totalAdcDcOffsetQOddPhase[i], - ahp->ah_totalAdcDcOffsetQEvenPhase[i]); + ah->cal_samples, i, + ah->totalAdcDcOffsetIOddPhase[i], + ah->totalAdcDcOffsetIEvenPhase[i], + ah->totalAdcDcOffsetQOddPhase[i], + ah->totalAdcDcOffsetQEvenPhase[i]); } } -static void ath9k_hw_iqcalibrate(struct ath_hal *ah, u8 numChains) +static void ath9k_hw_iqcalibrate(struct ath_hw *ah, u8 numChains) { - struct ath_hal_5416 *ahp = AH5416(ah); u32 powerMeasQ, powerMeasI, iqCorrMeas; u32 qCoffDenom, iCoffDenom; int32_t qCoff, iCoff; int iqCorrNeg, i; for (i = 0; i < numChains; i++) { - powerMeasI = ahp->ah_totalPowerMeasI[i]; - powerMeasQ = ahp->ah_totalPowerMeasQ[i]; - iqCorrMeas = ahp->ah_totalIqCorrMeas[i]; + powerMeasI = ah->totalPowerMeasI[i]; + powerMeasQ = ah->totalPowerMeasQ[i]; + iqCorrMeas = ah->totalIqCorrMeas[i]; DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE, "Starting IQ Cal and Correction for Chain %d\n", @@ -390,7 +379,7 @@ static void ath9k_hw_iqcalibrate(struct ath_hal *ah, u8 numChains) DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE, "Orignal: Chn %diq_corr_meas = 0x%08x\n", - i, ahp->ah_totalIqCorrMeas[i]); + i, ah->totalIqCorrMeas[i]); iqCorrNeg = 0; @@ -448,17 +437,16 @@ static void ath9k_hw_iqcalibrate(struct ath_hal *ah, u8 numChains) AR_PHY_TIMING_CTRL4_IQCORR_ENABLE); } -static void ath9k_hw_adc_gaincal_calibrate(struct ath_hal *ah, u8 numChains) +static void ath9k_hw_adc_gaincal_calibrate(struct ath_hw *ah, u8 numChains) { - struct ath_hal_5416 *ahp = AH5416(ah); u32 iOddMeasOffset, iEvenMeasOffset, qOddMeasOffset, qEvenMeasOffset; u32 qGainMismatch, iGainMismatch, val, i; for (i = 0; i < numChains; i++) { - iOddMeasOffset = ahp->ah_totalAdcIOddPhase[i]; - iEvenMeasOffset = ahp->ah_totalAdcIEvenPhase[i]; - qOddMeasOffset = ahp->ah_totalAdcQOddPhase[i]; - qEvenMeasOffset = ahp->ah_totalAdcQEvenPhase[i]; + iOddMeasOffset = ah->totalAdcIOddPhase[i]; + iEvenMeasOffset = ah->totalAdcIEvenPhase[i]; + qOddMeasOffset = ah->totalAdcQOddPhase[i]; + qEvenMeasOffset = ah->totalAdcQEvenPhase[i]; DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE, "Starting ADC Gain Cal for Chain %d\n", i); @@ -506,21 +494,20 @@ static void ath9k_hw_adc_gaincal_calibrate(struct ath_hal *ah, u8 numChains) AR_PHY_NEW_ADC_GAIN_CORR_ENABLE); } -static void ath9k_hw_adc_dccal_calibrate(struct ath_hal *ah, u8 numChains) +static void ath9k_hw_adc_dccal_calibrate(struct ath_hw *ah, u8 numChains) { - struct ath_hal_5416 *ahp = AH5416(ah); u32 iOddMeasOffset, iEvenMeasOffset, val, i; int32_t qOddMeasOffset, qEvenMeasOffset, qDcMismatch, iDcMismatch; const struct hal_percal_data *calData = - ahp->ah_cal_list_curr->calData; + ah->cal_list_curr->calData; u32 numSamples = (1 << (calData->calCountMax + 5)) * calData->calNumSamples; for (i = 0; i < numChains; i++) { - iOddMeasOffset = ahp->ah_totalAdcDcOffsetIOddPhase[i]; - iEvenMeasOffset = ahp->ah_totalAdcDcOffsetIEvenPhase[i]; - qOddMeasOffset = ahp->ah_totalAdcDcOffsetQOddPhase[i]; - qEvenMeasOffset = ahp->ah_totalAdcDcOffsetQEvenPhase[i]; + iOddMeasOffset = ah->totalAdcDcOffsetIOddPhase[i]; + iEvenMeasOffset = ah->totalAdcDcOffsetIEvenPhase[i]; + qOddMeasOffset = ah->totalAdcDcOffsetQOddPhase[i]; + qEvenMeasOffset = ah->totalAdcDcOffsetQEvenPhase[i]; DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE, "Starting ADC DC Offset Cal for Chain %d\n", i); @@ -565,13 +552,12 @@ static void ath9k_hw_adc_dccal_calibrate(struct ath_hal *ah, u8 numChains) } /* This is done for the currently configured channel */ -bool ath9k_hw_reset_calvalid(struct ath_hal *ah) +bool ath9k_hw_reset_calvalid(struct ath_hw *ah) { - struct ath_hal_5416 *ahp = AH5416(ah); struct ieee80211_conf *conf = &ah->ah_sc->hw->conf; - struct hal_cal_list *currCal = ahp->ah_cal_list_curr; + struct hal_cal_list *currCal = ah->cal_list_curr; - if (!ah->ah_curchan) + if (!ah->curchan) return true; if (!AR_SREV_9100(ah) && !AR_SREV_9160_10_OR_LATER(ah)) @@ -594,13 +580,13 @@ bool ath9k_hw_reset_calvalid(struct ath_hal *ah) "Resetting Cal %d state for channel %u\n", currCal->calData->calType, conf->channel->center_freq); - ah->ah_curchan->CalValid &= ~currCal->calData->calType; + ah->curchan->CalValid &= ~currCal->calData->calType; currCal->calState = CAL_WAITING; return false; } -void ath9k_hw_start_nfcal(struct ath_hal *ah) +void ath9k_hw_start_nfcal(struct ath_hw *ah) { REG_SET_BIT(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_ENABLE_NF); @@ -609,7 +595,7 @@ void ath9k_hw_start_nfcal(struct ath_hal *ah) REG_SET_BIT(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_NF); } -void ath9k_hw_loadnf(struct ath_hal *ah, struct ath9k_channel *chan) +void ath9k_hw_loadnf(struct ath_hw *ah, struct ath9k_channel *chan) { struct ath9k_nfcal_hist *h; int i, j; @@ -665,7 +651,7 @@ void ath9k_hw_loadnf(struct ath_hal *ah, struct ath9k_channel *chan) } } -int16_t ath9k_hw_getnf(struct ath_hal *ah, +int16_t ath9k_hw_getnf(struct ath_hw *ah, struct ath9k_channel *chan) { int16_t nf, nfThresh; @@ -701,7 +687,7 @@ int16_t ath9k_hw_getnf(struct ath_hal *ah, return chan->rawNoiseFloor; } -void ath9k_init_nfcal_hist_buffer(struct ath_hal *ah) +void ath9k_init_nfcal_hist_buffer(struct ath_hw *ah) { int i, j; @@ -715,10 +701,9 @@ void ath9k_init_nfcal_hist_buffer(struct ath_hal *ah) AR_PHY_CCA_MAX_GOOD_VALUE; } } - return; } -s16 ath9k_hw_getchan_noise(struct ath_hal *ah, struct ath9k_channel *chan) +s16 ath9k_hw_getchan_noise(struct ath_hw *ah, struct ath9k_channel *chan) { s16 nf; @@ -733,12 +718,11 @@ s16 ath9k_hw_getchan_noise(struct ath_hal *ah, struct ath9k_channel *chan) return nf; } -bool ath9k_hw_calibrate(struct ath_hal *ah, struct ath9k_channel *chan, +bool ath9k_hw_calibrate(struct ath_hw *ah, struct ath9k_channel *chan, u8 rxchainmask, bool longcal, bool *isCalDone) { - struct ath_hal_5416 *ahp = AH5416(ah); - struct hal_cal_list *currCal = ahp->ah_cal_list_curr; + struct hal_cal_list *currCal = ah->cal_list_curr; *isCalDone = true; @@ -748,7 +732,7 @@ bool ath9k_hw_calibrate(struct ath_hal *ah, struct ath9k_channel *chan, ath9k_hw_per_calibration(ah, chan, rxchainmask, currCal, isCalDone); if (*isCalDone) { - ahp->ah_cal_list_curr = currCal = currCal->calNext; + ah->cal_list_curr = currCal = currCal->calNext; if (currCal->calState == CAL_WAITING) { *isCalDone = false; @@ -759,7 +743,7 @@ bool ath9k_hw_calibrate(struct ath_hal *ah, struct ath9k_channel *chan, if (longcal) { ath9k_hw_getnf(ah, chan); - ath9k_hw_loadnf(ah, ah->ah_curchan); + ath9k_hw_loadnf(ah, ah->curchan); ath9k_hw_start_nfcal(ah); if (chan->channelFlags & CHANNEL_CW_INT) @@ -769,7 +753,7 @@ bool ath9k_hw_calibrate(struct ath_hal *ah, struct ath9k_channel *chan, return true; } -static inline void ath9k_hw_9285_pa_cal(struct ath_hal *ah) +static inline void ath9k_hw_9285_pa_cal(struct ath_hw *ah) { u32 regVal; @@ -864,11 +848,9 @@ static inline void ath9k_hw_9285_pa_cal(struct ath_hal *ah) } -bool ath9k_hw_init_cal(struct ath_hal *ah, +bool ath9k_hw_init_cal(struct ath_hw *ah, struct ath9k_channel *chan) { - struct ath_hal_5416 *ahp = AH5416(ah); - REG_WRITE(ah, AR_PHY_AGC_CONTROL, REG_READ(ah, AR_PHY_AGC_CONTROL) | AR_PHY_AGC_CONTROL_CAL); @@ -887,32 +869,32 @@ bool ath9k_hw_init_cal(struct ath_hal *ah, REG_READ(ah, AR_PHY_AGC_CONTROL) | AR_PHY_AGC_CONTROL_NF); - ahp->ah_cal_list = ahp->ah_cal_list_last = ahp->ah_cal_list_curr = NULL; + ah->cal_list = ah->cal_list_last = ah->cal_list_curr = NULL; if (AR_SREV_9100(ah) || AR_SREV_9160_10_OR_LATER(ah)) { if (ath9k_hw_iscal_supported(ah, ADC_GAIN_CAL)) { - INIT_CAL(&ahp->ah_adcGainCalData); - INSERT_CAL(ahp, &ahp->ah_adcGainCalData); + INIT_CAL(&ah->adcgain_caldata); + INSERT_CAL(ah, &ah->adcgain_caldata); DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE, "enabling ADC Gain Calibration.\n"); } if (ath9k_hw_iscal_supported(ah, ADC_DC_CAL)) { - INIT_CAL(&ahp->ah_adcDcCalData); - INSERT_CAL(ahp, &ahp->ah_adcDcCalData); + INIT_CAL(&ah->adcdc_caldata); + INSERT_CAL(ah, &ah->adcdc_caldata); DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE, "enabling ADC DC Calibration.\n"); } if (ath9k_hw_iscal_supported(ah, IQ_MISMATCH_CAL)) { - INIT_CAL(&ahp->ah_iqCalData); - INSERT_CAL(ahp, &ahp->ah_iqCalData); + INIT_CAL(&ah->iq_caldata); + INSERT_CAL(ah, &ah->iq_caldata); DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE, "enabling IQ Calibration.\n"); } - ahp->ah_cal_list_curr = ahp->ah_cal_list; + ah->cal_list_curr = ah->cal_list; - if (ahp->ah_cal_list_curr) - ath9k_hw_reset_calibration(ah, ahp->ah_cal_list_curr); + if (ah->cal_list_curr) + ath9k_hw_reset_calibration(ah, ah->cal_list_curr); } chan->CalValid = 0; |