ath_hal/ar5416/ar5416_cal.c

21 #include "ah.h"
36 static void ar5416StartNFCal(struct ath_hal *ah);
37 static void ar5416LoadNF(struct ath_hal *ah, const struct ieee80211_channel *);
40 static uint16_t ar5416GetDefaultNF(struct ath_hal *ah, const struct ieee80211_channel *chan);
41 static void ar5416SanitizeNF(struct ath_hal *ah, int16_t *nf);
64 ar5416IsCalSupp(struct ath_hal *ah, const struct ieee80211_channel *chan,
67 	struct ar5416PerCal *cal = &AH5416(ah)->ah_cal;
82 		    (IS_5GHZ_FAST_CLOCK_EN(ah, chan)))
97 ar5416SetupMeasurement(struct ath_hal *ah, HAL_CAL_LIST *currCal)
100 	OS_REG_RMW_FIELD(ah, AR_PHY_TIMING_CTRL4,
107 		OS_REG_WRITE(ah, AR_PHY_CALMODE, AR_PHY_CALMODE_IQ);
108 		HALDEBUG(ah, HAL_DEBUG_PERCAL,
112 		OS_REG_WRITE(ah, AR_PHY_CALMODE, AR_PHY_CALMODE_ADC_GAIN);
113 		HALDEBUG(ah, HAL_DEBUG_PERCAL,
117 		OS_REG_WRITE(ah, AR_PHY_CALMODE, AR_PHY_CALMODE_ADC_DC_PER);
118 		HALDEBUG(ah, HAL_DEBUG_PERCAL,
122 		OS_REG_WRITE(ah, AR_PHY_CALMODE, AR_PHY_CALMODE_ADC_DC_INIT);
123 		HALDEBUG(ah, HAL_DEBUG_PERCAL,
128 	OS_REG_SET_BIT(ah, AR_PHY_TIMING_CTRL4, AR_PHY_TIMING_CTRL4_DO_CAL);
135 ar5416ResetMeasurement(struct ath_hal *ah, HAL_CAL_LIST *currCal)
137 	struct ar5416PerCal *cal = &AH5416(ah)->ah_cal;
144 	ar5416SetupMeasurement(ah, currCal);
155 ar5416RunInitCals(struct ath_hal *ah, int init_cal_count)
157 	struct ath_hal_5416 *ahp = AH5416(ah);
158 	struct ar5416PerCal *cal = &AH5416(ah)->ah_cal;
170 		ar5416ResetMeasurement(ah, curCal);
172 		if (!ath_hal_wait(ah, AR_PHY_TIMING_CTRL4, AR_PHY_TIMING_CTRL4_DO_CAL, 0)) {
173 			HALDEBUG(ah, HAL_DEBUG_ANY,
181 		ar5416DoCalibration(ah, &ichan, ahp->ah_rxchainmask,
184 			HALDEBUG(ah, HAL_DEBUG_ANY,
202 ar5416InitCalHardware(struct ath_hal *ah, const struct ieee80211_channel *chan)
205 	if (AR_SREV_MERLIN_10_OR_LATER(ah)) {
207 		OS_REG_CLR_BIT(ah, AR_PHY_ADC_CTL,
211 		OS_REG_SET_BIT(ah, AR_PHY_AGC_CONTROL,
216 	OS_REG_SET_BIT(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_CAL);
219 	if (!ath_hal_wait(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_CAL, 0)) {
220 		HALDEBUG(ah, HAL_DEBUG_ANY,
226 	if (AR_SREV_MERLIN_10_OR_LATER(ah)) {
228 		OS_REG_SET_BIT(ah, AR_PHY_ADC_CTL,
232 		OS_REG_CLR_BIT(ah, AR_PHY_AGC_CONTROL,
244 ar5416InitCal(struct ath_hal *ah, const struct ieee80211_channel *chan)
246 	struct ar5416PerCal *cal = &AH5416(ah)->ah_cal;
249 	ichan = ath_hal_checkchannel(ah, chan);
253 	if (! AH5416(ah)->ah_cal_initcal(ah, chan)) {
254 		HALDEBUG(ah, HAL_DEBUG_ANY,
261 	if (AH5416(ah)->ah_cal_pacal)
262 		AH5416(ah)->ah_cal_pacal(ah, AH_TRUE);
270 	OS_REG_SET_BIT(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_NF);
285 	if (AR_SREV_HOWL(ah) || AR_SREV_SOWL_10_OR_LATER(ah)) {
289 		if (ar5416IsCalSupp(ah, chan, ADC_DC_INIT_CAL)) {
296 		if (cal->ah_cal_curr != AH_NULL && !ar5416RunInitCals(ah, 0))
302 	if (ar5416IsCalSupp(ah, chan, ADC_GAIN_CAL)) {
305 		HALDEBUG(ah, HAL_DEBUG_PERCAL,
308 	if (ar5416IsCalSupp(ah, chan, ADC_DC_CAL)) {
311 		HALDEBUG(ah, HAL_DEBUG_PERCAL,
314 	if (ar5416IsCalSupp(ah, chan, IQ_MISMATCH_CAL)) {
317 		HALDEBUG(ah, HAL_DEBUG_PERCAL,
325 		ar5416ResetMeasurement(ah, cal->cal_curr);
339 ar5416ResetCalValid(struct ath_hal *ah, const struct ieee80211_channel *chan)
341 	struct ar5416PerCal *cal = &AH5416(ah)->ah_cal;
342 	HAL_CHANNEL_INTERNAL *ichan = ath_hal_checkchannel(ah, chan);
345 	if (!AR_SREV_SOWL_10_OR_LATER(ah))
350 		HALDEBUG(ah, HAL_DEBUG_ANY,
360 		HALDEBUG(ah, HAL_DEBUG_ANY,
367 	if (!ar5416IsCalSupp(ah, chan, currCal->calData->calType))
370 	HALDEBUG(ah, HAL_DEBUG_PERCAL,
387 ar5416DoCalibration(struct ath_hal *ah,  HAL_CHANNEL_INTERNAL *ichan,
390 	struct ar5416PerCal *cal = &AH5416(ah)->ah_cal;
395 	HALDEBUG(ah, HAL_DEBUG_PERCAL,
403 		if (!(OS_REG_READ(ah, AR_PHY_TIMING_CTRL4) & AR_PHY_TIMING_CTRL4_DO_CAL)) {
404 			HALDEBUG(ah, HAL_DEBUG_PERCAL,
411 			currCal->calData->calCollect(ah);
421 				currCal->calData->calPostProc(ah, numChains);
431 				ar5416SetupMeasurement(ah, currCal);
436 		ar5416ResetMeasurement(ah, currCal);
444 ar5416PerCalibrationN(struct ath_hal *ah, struct ieee80211_channel *chan,
447 	struct ar5416PerCal *cal = &AH5416(ah)->ah_cal;
452 	OS_MARK(ah, AH_MARK_PERCAL, chan->ic_freq);
461 	rxchainmask = AH5416(ah)->ah_rx_chainmask;
464 	ichan = ath_hal_checkchannel(ah, chan);
466 		HALDEBUG(ah, HAL_DEBUG_ANY,
484 		ar5416DoCalibration(ah, ichan, rxchainmask, currCal, isCalDone);
489 				ar5416ResetMeasurement(ah, currCal);
497 		if (AH5416(ah)->ah_cal_pacal)
498 			AH5416(ah)->ah_cal_pacal(ah, AH_FALSE);
501 		if (ath_hal_eepromGetFlag(ah, AR_EEP_OL_PWRCTRL))
502 			AH5416(ah)->ah_olcTempCompensation(ah);
508 		r = ar5416GetNf(ah, chan);
511 			HALDEBUG(ah, HAL_DEBUG_UNMASKABLE, "%s: NF calibration"
521 			ar5416LoadNF(ah, AH_PRIVATE(ah)->ah_curchan);
524 			ar5416StartNFCal(ah);
535 ar5416PerCalibration(struct ath_hal *ah, struct ieee80211_channel *chan,
538 	struct ath_hal_5416 *ahp = AH5416(ah);
539 	struct ar5416PerCal *cal = &AH5416(ah)->ah_cal;
543 		return ar5416PerCalibrationN(ah, chan, ahp->ah_rx_chainmask,
549 		return ar5416PerCalibrationN(ah, chan, ahp->ah_rx_chainmask,
555 ar5416GetEepromNoiseFloorThresh(struct ath_hal *ah,
559 		ath_hal_eepromGet(ah, AR_EEP_NFTHRESH_5, nft);
563 		ath_hal_eepromGet(ah, AR_EEP_NFTHRESH_2, nft);
566 	HALDEBUG(ah, HAL_DEBUG_ANY, "%s: invalid channel flags 0x%x\n",
572 ar5416StartNFCal(struct ath_hal *ah)
574 	OS_REG_SET_BIT(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_ENABLE_NF);
575 	OS_REG_SET_BIT(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_NO_UPDATE_NF);
576 	OS_REG_SET_BIT(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_NF);
580 ar5416LoadNF(struct ath_hal *ah, const struct ieee80211_channel *chan)
594 	int16_t default_nf = ar5416GetDefaultNF(ah, chan);
599 	if (AR_SREV_KITE(ah)) {
602 	} else if (AR_SREV_MERLIN(ah) || AR_SREV_KIWI(ah)) {
613 	h = AH5416(ah)->ah_cal.nfCalHist;
614 	HALDEBUG(ah, HAL_DEBUG_NFCAL, "CCA: ");
630 			val = OS_REG_READ(ah, ar5416_cca_regs[i]);
633 			HALDEBUG(ah, HAL_DEBUG_NFCAL, "[%d: %d]", i, nf_val);
634 			OS_REG_WRITE(ah, ar5416_cca_regs[i], val);
637 	HALDEBUG(ah, HAL_DEBUG_NFCAL, "\n");
640 	OS_REG_CLR_BIT(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_ENABLE_NF);
641 	OS_REG_CLR_BIT(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_NO_UPDATE_NF);
642 	OS_REG_SET_BIT(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_NF);
645 	if (! ar5212WaitNFCalComplete(ah, 1000)) {
655 		HALDEBUG(ah, HAL_DEBUG_UNMASKABLE, "Timeout while waiting for "
657 		    OS_REG_READ(ah, AR_PHY_AGC_CONTROL));
674 			val = OS_REG_READ(ah, ar5416_cca_regs[i]);
677 			OS_REG_WRITE(ah, ar5416_cca_regs[i], val);
705 ar5416UpdateNFHistBuff(struct ath_hal *ah, struct ar5212NfCalHist *h,
731 ar5416GetDefaultNF(struct ath_hal *ah, const struct ieee80211_channel *chan)
736                 limit = &AH5416(ah)->nf_2g;
738                 limit = &AH5416(ah)->nf_5g;
744 ar5416SanitizeNF(struct ath_hal *ah, int16_t *nf)
750         if (IEEE80211_IS_CHAN_2GHZ(AH_PRIVATE(ah)->ah_curchan))
751                 limit = &AH5416(ah)->nf_2g;
753                 limit = &AH5416(ah)->nf_5g;
760                         HALDEBUG(ah, HAL_DEBUG_NFCAL,
765                         HALDEBUG(ah, HAL_DEBUG_NFCAL,
781 ar5416GetNf(struct ath_hal *ah, struct ieee80211_channel *chan)
787 	if (ar5212IsNFCalInProgress(ah)) {
788 		HALDEBUG(ah, HAL_DEBUG_ANY,
795 		HAL_CHANNEL_INTERNAL *ichan = ath_hal_checkchannel(ah, chan);
798 		ath_hal_getNoiseFloor(ah, nfarray);
800 		ar5416SanitizeNF(ah, nfarray);
801 		if (ar5416GetEepromNoiseFloorThresh(ah, chan, &nfThresh)) {
803 				HALDEBUG(ah, HAL_DEBUG_UNMASKABLE,
827 		ar5416UpdateNFHistBuff(ah, AH5416(ah)->ah_cal.nfCalHist, nfarray);