diff options
Diffstat (limited to 'drivers/net/wireless/ath9k/calib.c')
| -rw-r--r-- | drivers/net/wireless/ath9k/calib.c | 555 |
1 files changed, 297 insertions, 258 deletions
diff --git a/drivers/net/wireless/ath9k/calib.c b/drivers/net/wireless/ath9k/calib.c index 3c7454fc51b..e2d62e97131 100644 --- a/drivers/net/wireless/ath9k/calib.c +++ b/drivers/net/wireless/ath9k/calib.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2008 Atheros Communications Inc. + * Copyright (c) 2008-2009 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 @@ -14,12 +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" - -static const int16_t NOISE_FLOOR[] = { -96, -93, -98, -96, -93, -96 }; +#include "ath9k.h" /* We can tune this as we go by monitoring really low values */ #define ATH9K_NF_TOO_LOW -60 @@ -28,7 +23,7 @@ static const int16_t NOISE_FLOOR[] = { -96, -93, -98, -96, -93, -96 }; * 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, @@ -91,7 +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; @@ -107,27 +102,29 @@ static void ath9k_hw_do_getnf(struct ath_hal *ah, "NF calibrated [ctl] [chain 0] is %d\n", nf); nfarray[0] = nf; - if (AR_SREV_9280_10_OR_LATER(ah)) - nf = MS(REG_READ(ah, AR_PHY_CH1_CCA), - AR9280_PHY_CH1_MINCCA_PWR); - else - nf = MS(REG_READ(ah, AR_PHY_CH1_CCA), - AR_PHY_CH1_MINCCA_PWR); - - if (nf & 0x100) - nf = 0 - ((nf ^ 0x1ff) + 1); - DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE, - "NF calibrated [ctl] [chain 1] is %d\n", nf); - nfarray[1] = nf; + if (!AR_SREV_9285(ah)) { + if (AR_SREV_9280_10_OR_LATER(ah)) + nf = MS(REG_READ(ah, AR_PHY_CH1_CCA), + AR9280_PHY_CH1_MINCCA_PWR); + else + nf = MS(REG_READ(ah, AR_PHY_CH1_CCA), + AR_PHY_CH1_MINCCA_PWR); - if (!AR_SREV_9280(ah)) { - nf = MS(REG_READ(ah, AR_PHY_CH2_CCA), - AR_PHY_CH2_MINCCA_PWR); if (nf & 0x100) nf = 0 - ((nf ^ 0x1ff) + 1); DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE, - "NF calibrated [ctl] [chain 2] is %d\n", nf); - nfarray[2] = nf; + "NF calibrated [ctl] [chain 1] is %d\n", nf); + nfarray[1] = nf; + + if (!AR_SREV_9280(ah)) { + nf = MS(REG_READ(ah, AR_PHY_CH2_CCA), + AR_PHY_CH2_MINCCA_PWR); + if (nf & 0x100) + nf = 0 - ((nf ^ 0x1ff) + 1); + DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE, + "NF calibrated [ctl] [chain 2] is %d\n", nf); + nfarray[2] = nf; + } } if (AR_SREV_9280_10_OR_LATER(ah)) @@ -143,58 +140,52 @@ static void ath9k_hw_do_getnf(struct ath_hal *ah, "NF calibrated [ext] [chain 0] is %d\n", nf); nfarray[3] = nf; - if (AR_SREV_9280_10_OR_LATER(ah)) - nf = MS(REG_READ(ah, AR_PHY_CH1_EXT_CCA), - AR9280_PHY_CH1_EXT_MINCCA_PWR); - else - nf = MS(REG_READ(ah, AR_PHY_CH1_EXT_CCA), - AR_PHY_CH1_EXT_MINCCA_PWR); - - if (nf & 0x100) - nf = 0 - ((nf ^ 0x1ff) + 1); - DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE, - "NF calibrated [ext] [chain 1] is %d\n", nf); - nfarray[4] = nf; + if (!AR_SREV_9285(ah)) { + if (AR_SREV_9280_10_OR_LATER(ah)) + nf = MS(REG_READ(ah, AR_PHY_CH1_EXT_CCA), + AR9280_PHY_CH1_EXT_MINCCA_PWR); + else + nf = MS(REG_READ(ah, AR_PHY_CH1_EXT_CCA), + AR_PHY_CH1_EXT_MINCCA_PWR); - if (!AR_SREV_9280(ah)) { - nf = MS(REG_READ(ah, AR_PHY_CH2_EXT_CCA), - AR_PHY_CH2_EXT_MINCCA_PWR); if (nf & 0x100) nf = 0 - ((nf ^ 0x1ff) + 1); DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE, - "NF calibrated [ext] [chain 2] is %d\n", nf); - nfarray[5] = nf; + "NF calibrated [ext] [chain 1] is %d\n", nf); + nfarray[4] = nf; + + if (!AR_SREV_9280(ah)) { + nf = MS(REG_READ(ah, AR_PHY_CH2_EXT_CCA), + AR_PHY_CH2_EXT_MINCCA_PWR); + if (nf & 0x100) + nf = 0 - ((nf ^ 0x1ff) + 1); + DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE, + "NF calibrated [ext] [chain 2] is %d\n", nf); + nfarray[5] = nf; + } } } -static bool getNoiseFloorThresh(struct ath_hal *ah, - const struct ath9k_channel *chan, +static bool getNoiseFloorThresh(struct ath_hw *ah, + enum ieee80211_band band, int16_t *nft) { - switch (chan->chanmode) { - case CHANNEL_A: - case CHANNEL_A_HT20: - case CHANNEL_A_HT40PLUS: - case CHANNEL_A_HT40MINUS: - *nft = (int8_t)ath9k_hw_get_eeprom(ah, EEP_NFTHRESH_5); + switch (band) { + case IEEE80211_BAND_5GHZ: + *nft = (int8_t)ah->eep_ops->get_eeprom(ah, EEP_NFTHRESH_5); break; - case CHANNEL_B: - case CHANNEL_G: - case CHANNEL_G_HT20: - case CHANNEL_G_HT40PLUS: - case CHANNEL_G_HT40MINUS: - *nft = (int8_t)ath9k_hw_get_eeprom(ah, EEP_NFTHRESH_2); + case IEEE80211_BAND_2GHZ: + *nft = (int8_t)ah->eep_ops->get_eeprom(ah, EEP_NFTHRESH_2); break; default: - DPRINTF(ah->ah_sc, ATH_DBG_CHANNEL, - "invalid channel flags 0x%x\n", chan->channelFlags); + BUG_ON(1); return false; } 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), @@ -228,10 +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); @@ -239,23 +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) { @@ -263,9 +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)) @@ -285,113 +273,105 @@ static void ath9k_hw_per_calibration(struct ath_hal *ah, } } -static bool ath9k_hw_iscal_supported(struct ath_hal *ah, - struct ath9k_channel *chan, +/* Assumes you are talking about the currently configured channel */ +static bool ath9k_hw_iscal_supported(struct ath_hw *ah, enum hal_cal_types calType) { - struct ath_hal_5416 *ahp = AH5416(ah); - bool retval = false; + struct ieee80211_conf *conf = &ah->ah_sc->hw->conf; - switch (calType & ahp->ah_suppCals) { - case IQ_MISMATCH_CAL: - if (!IS_CHAN_B(chan)) - retval = true; - break; + switch (calType & ah->supp_cals) { + case IQ_MISMATCH_CAL: /* Both 2 GHz and 5 GHz support OFDM */ + return true; case ADC_GAIN_CAL: case ADC_DC_CAL: - if (!IS_CHAN_B(chan) - && !(IS_CHAN_2GHZ(chan) && IS_CHAN_HT20(chan))) - retval = true; + if (conf->channel->band == IEEE80211_BAND_5GHZ && + conf_is_ht20(conf)) + return true; break; } - - return retval; + 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", @@ -399,7 +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; @@ -457,17 +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); @@ -515,21 +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); @@ -573,53 +551,42 @@ static void ath9k_hw_adc_dccal_calibrate(struct ath_hal *ah, u8 numChains) AR_PHY_NEW_ADC_DC_OFFSET_CORR_ENABLE); } -void ath9k_hw_reset_calvalid(struct ath_hal *ah, struct ath9k_channel *chan, - bool *isCalDone) +/* This is done for the currently configured channel */ +bool ath9k_hw_reset_calvalid(struct ath_hw *ah) { - struct ath_hal_5416 *ahp = AH5416(ah); - struct ath9k_channel *ichan = - ath9k_regd_check_channel(ah, chan); - struct hal_cal_list *currCal = ahp->ah_cal_list_curr; + struct ieee80211_conf *conf = &ah->ah_sc->hw->conf; + struct hal_cal_list *currCal = ah->cal_list_curr; - *isCalDone = true; + if (!ah->curchan) + return true; if (!AR_SREV_9100(ah) && !AR_SREV_9160_10_OR_LATER(ah)) - return; + return true; if (currCal == NULL) - return; - - if (ichan == NULL) { - DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE, - "invalid channel %u/0x%x; no mapping\n", - chan->channel, chan->channelFlags); - return; - } - + return true; if (currCal->calState != CAL_DONE) { DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE, "Calibration state incorrect, %d\n", currCal->calState); - return; + return true; } - - if (!ath9k_hw_iscal_supported(ah, chan, currCal->calData->calType)) - return; + if (!ath9k_hw_iscal_supported(ah, currCal->calData->calType)) + return true; DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE, - "Resetting Cal %d state for channel %u/0x%x\n", - currCal->calData->calType, chan->channel, - chan->channelFlags); + "Resetting Cal %d state for channel %u\n", + currCal->calData->calType, conf->channel->center_freq); - ichan->CalValid &= ~currCal->calData->calType; + ah->curchan->CalValid &= ~currCal->calData->calType; currCal->calState = CAL_WAITING; - *isCalDone = false; + 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); @@ -628,7 +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; @@ -643,16 +610,14 @@ void ath9k_hw_loadnf(struct ath_hal *ah, struct ath9k_channel *chan) }; u8 chainmask; - if (AR_SREV_9280(ah)) + if (AR_SREV_9285(ah)) + chainmask = 0x9; + else if (AR_SREV_9280(ah)) chainmask = 0x1B; else chainmask = 0x3F; -#ifdef ATH_NF_PER_CHAN - h = chan->nfCalHist; -#else h = ah->nfCalHist; -#endif for (i = 0; i < NUM_NF_READINGS; i++) { if (chainmask & (1 << i)) { @@ -686,18 +651,13 @@ 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; int16_t nfarray[NUM_NF_READINGS] = { 0 }; struct ath9k_nfcal_hist *h; - u8 chainmask; - - if (AR_SREV_9280(ah)) - chainmask = 0x1B; - else - chainmask = 0x3F; + struct ieee80211_channel *c = chan->chan; chan->channelFlags &= (~CHANNEL_CW_INT); if (REG_READ(ah, AR_PHY_AGC_CONTROL) & AR_PHY_AGC_CONTROL_NF) { @@ -709,7 +669,7 @@ int16_t ath9k_hw_getnf(struct ath_hal *ah, } else { ath9k_hw_do_getnf(ah, nfarray); nf = nfarray[0]; - if (getNoiseFloorThresh(ah, chan, &nfThresh) + if (getNoiseFloorThresh(ah, c->band, &nfThresh) && nf > nfThresh) { DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE, "noise floor failed detected; " @@ -719,11 +679,7 @@ int16_t ath9k_hw_getnf(struct ath_hal *ah, } } -#ifdef ATH_NF_PER_CHAN - h = chan->nfCalHist; -#else h = ah->nfCalHist; -#endif ath9k_hw_update_nfcal_hist_buffer(h, nfarray); chan->rawNoiseFloor = h[0].privNF; @@ -731,7 +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; @@ -745,26 +701,16 @@ 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) { - struct ath9k_channel *ichan; s16 nf; - ichan = ath9k_regd_check_channel(ah, chan); - if (ichan == NULL) { - DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE, - "invalid channel %u/0x%x; no mapping\n", - chan->channel, chan->channelFlags); - return ATH_DEFAULT_NOISE_FLOOR; - } - if (ichan->rawNoiseFloor == 0) { - enum wireless_mode mode = ath9k_hw_chan2wmode(ah, chan); - nf = NOISE_FLOOR[mode]; - } else - nf = ichan->rawNoiseFloor; + if (chan->rawNoiseFloor == 0) + nf = -96; + else + nf = chan->rawNoiseFloor; if (!ath9k_hw_nf_in_range(ah, nf)) nf = ATH_DEFAULT_NOISE_FLOOR; @@ -772,53 +718,34 @@ 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, - u8 rxchainmask, bool longcal, - bool *isCalDone) +static void ath9k_olc_temp_compensation(struct ath_hw *ah) { - struct ath_hal_5416 *ahp = AH5416(ah); - struct hal_cal_list *currCal = ahp->ah_cal_list_curr; - struct ath9k_channel *ichan = ath9k_regd_check_channel(ah, chan); + u32 rddata, i; + int delta, currPDADC, regval; - *isCalDone = true; + rddata = REG_READ(ah, AR_PHY_TX_PWRCTRL4); - if (ichan == NULL) { - DPRINTF(ah->ah_sc, ATH_DBG_CHANNEL, - "invalid channel %u/0x%x; no mapping\n", - chan->channel, chan->channelFlags); - return false; - } + currPDADC = MS(rddata, AR_PHY_TX_PWRCTRL_PD_AVG_OUT); - if (currCal && - (currCal->calState == CAL_RUNNING || - currCal->calState == CAL_WAITING)) { - ath9k_hw_per_calibration(ah, ichan, rxchainmask, currCal, - isCalDone); - if (*isCalDone) { - ahp->ah_cal_list_curr = currCal = currCal->calNext; - - if (currCal->calState == CAL_WAITING) { - *isCalDone = false; - ath9k_hw_reset_calibration(ah, currCal); - } - } - } + 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 (longcal) { - ath9k_hw_getnf(ah, ichan); - ath9k_hw_loadnf(ah, ah->ah_curchan); - ath9k_hw_start_nfcal(ah); + 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; - if ((ichan->channelFlags & CHANNEL_CW_INT) != 0) { - chan->channelFlags |= CHANNEL_CW_INT; - ichan->channelFlags &= ~CHANNEL_CW_INT; + REG_RMW_FIELD(ah, AR_PHY_TX_GAIN_TBL1 + i * 4, + AR_PHY_TX_GAIN, regval); } } - - 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; @@ -913,59 +840,171 @@ static inline void ath9k_hw_9285_pa_cal(struct ath_hal *ah) } -bool ath9k_hw_init_cal(struct ath_hal *ah, +bool ath9k_hw_calibrate(struct ath_hw *ah, struct ath9k_channel *chan, + u8 rxchainmask, bool longcal, + bool *isCalDone) +{ + struct hal_cal_list *currCal = ah->cal_list_curr; + + *isCalDone = true; + + if (currCal && + (currCal->calState == CAL_RUNNING || + currCal->calState == CAL_WAITING)) { + ath9k_hw_per_calibration(ah, chan, rxchainmask, currCal, + isCalDone); + if (*isCalDone) { + ah->cal_list_curr = currCal = currCal->calNext; + + if (currCal->calState == CAL_WAITING) { + *isCalDone = false; + ath9k_hw_reset_calibration(ah, currCal); + } + } + } + + if (longcal) { + if (AR_SREV_9285(ah) && AR_SREV_9285_11_OR_LATER(ah)) + ath9k_hw_9285_pa_cal(ah); + + if (OLC_FOR_AR9280_20_LATER) + ath9k_olc_temp_compensation(ah); + ath9k_hw_getnf(ah, chan); + ath9k_hw_loadnf(ah, ah->curchan); + ath9k_hw_start_nfcal(ah); + + if (chan->channelFlags & CHANNEL_CW_INT) + chan->channelFlags &= ~CHANNEL_CW_INT; + } + + return true; +} + +static bool ar9285_clc(struct ath_hw *ah, struct ath9k_channel *chan) +{ + REG_SET_BIT(ah, AR_PHY_CL_CAL_CTL, AR_PHY_CL_CAL_ENABLE); + if (chan->channelFlags & CHANNEL_HT20) { + 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)) { + DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE, "offset " + "calibration failed to complete in " + "1ms; noisy ??\n"); + return false; + } + 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)) { + DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE, "offset calibration " + "failed to complete in 1ms; noisy ??\n"); + return false; + } + + 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 true; +} + +bool ath9k_hw_init_cal(struct ath_hw *ah, struct ath9k_channel *chan) { - struct ath_hal_5416 *ahp = AH5416(ah); - struct ath9k_channel *ichan = ath9k_regd_check_channel(ah, chan); + if (AR_SREV_9285(ah) && AR_SREV_9285_12_OR_LATER(ah)) { + if (!ar9285_clc(ah, chan)) + return false; + } else if (AR_SREV_9280_10_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); + REG_CLR_BIT(ah, AR_PHY_CL_CAL_CTL, AR_PHY_CL_CAL_ENABLE); + + /* Kick off the cal */ + REG_WRITE(ah, AR_PHY_AGC_CONTROL, + REG_READ(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)) { + DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE, + "offset calibration failed to complete in 1ms; " + "noisy environment?\n"); + return false; + } + + 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_CL_CAL_CTL, AR_PHY_CL_CAL_ENABLE); + } + /* Calibrate the AGC */ REG_WRITE(ah, AR_PHY_AGC_CONTROL, - REG_READ(ah, AR_PHY_AGC_CONTROL) | - AR_PHY_AGC_CONTROL_CAL); + REG_READ(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)) { + if (!ath9k_hw_wait(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_CAL, + 0, AH_WAIT_TIMEOUT)) { DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE, "offset calibration failed to complete in 1ms; " "noisy environment?\n"); return false; } + if (AR_SREV_9280_10_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 */ if (AR_SREV_9285(ah) && AR_SREV_9285_11_OR_LATER(ah)) ath9k_hw_9285_pa_cal(ah); + /* Do NF Calibration */ REG_WRITE(ah, AR_PHY_AGC_CONTROL, - REG_READ(ah, AR_PHY_AGC_CONTROL) | - AR_PHY_AGC_CONTROL_NF); + 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, chan, ADC_GAIN_CAL)) { - INIT_CAL(&ahp->ah_adcGainCalData); - INSERT_CAL(ahp, &ahp->ah_adcGainCalData); + if (ath9k_hw_iscal_supported(ah, ADC_GAIN_CAL)) { + INIT_CAL(&ah->adcgain_caldata); + INSERT_CAL(ah, &ah->adcgain_caldata); DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE, - "enabling ADC Gain Calibration.\n"); + "enabling ADC Gain Calibration.\n"); } - if (ath9k_hw_iscal_supported(ah, chan, ADC_DC_CAL)) { - INIT_CAL(&ahp->ah_adcDcCalData); - INSERT_CAL(ahp, &ahp->ah_adcDcCalData); + if (ath9k_hw_iscal_supported(ah, ADC_DC_CAL)) { + INIT_CAL(&ah->adcdc_caldata); + INSERT_CAL(ah, &ah->adcdc_caldata); DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE, - "enabling ADC DC Calibration.\n"); + "enabling ADC DC Calibration.\n"); } - if (ath9k_hw_iscal_supported(ah, chan, IQ_MISMATCH_CAL)) { - INIT_CAL(&ahp->ah_iqCalData); - INSERT_CAL(ahp, &ahp->ah_iqCalData); + if (ath9k_hw_iscal_supported(ah, IQ_MISMATCH_CAL)) { + INIT_CAL(&ah->iq_caldata); + INSERT_CAL(ah, &ah->iq_caldata); DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE, - "enabling IQ Calibration.\n"); + "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); } - ichan->CalValid = 0; + chan->CalValid = 0; return true; } |