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+/*
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+ * Copyright (c) 2008-2010 Atheros Communications Inc.
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+ *
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+ * Permission to use, copy, modify, and/or distribute this software for any
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+ * purpose with or without fee is hereby granted, provided that the above
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+ * copyright notice and this permission notice appear in all copies.
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+ *
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+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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+ */
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+
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+#include "hw.h"
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+#include "hw-ops.h"
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+#include "ar9002_phy.h"
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+
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+#define AR9285_CLCAL_REDO_THRESH 1
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+
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+static void ar9002_hw_setup_calibration(struct ath_hw *ah,
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+ struct ath9k_cal_list *currCal)
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+{
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+ struct ath_common *common = ath9k_hw_common(ah);
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+
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+ REG_RMW_FIELD(ah, AR_PHY_TIMING_CTRL4(0),
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+ AR_PHY_TIMING_CTRL4_IQCAL_LOG_COUNT_MAX,
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+ currCal->calData->calCountMax);
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+
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+ switch (currCal->calData->calType) {
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+ case IQ_MISMATCH_CAL:
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+ REG_WRITE(ah, AR_PHY_CALMODE, AR_PHY_CALMODE_IQ);
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+ ath_print(common, ATH_DBG_CALIBRATE,
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+ "starting IQ Mismatch Calibration\n");
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+ break;
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+ case ADC_GAIN_CAL:
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+ REG_WRITE(ah, AR_PHY_CALMODE, AR_PHY_CALMODE_ADC_GAIN);
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+ ath_print(common, ATH_DBG_CALIBRATE,
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+ "starting ADC Gain Calibration\n");
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+ break;
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+ case ADC_DC_CAL:
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+ REG_WRITE(ah, AR_PHY_CALMODE, AR_PHY_CALMODE_ADC_DC_PER);
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+ ath_print(common, ATH_DBG_CALIBRATE,
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+ "starting ADC DC Calibration\n");
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+ break;
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+ case ADC_DC_INIT_CAL:
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+ REG_WRITE(ah, AR_PHY_CALMODE, AR_PHY_CALMODE_ADC_DC_INIT);
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+ ath_print(common, ATH_DBG_CALIBRATE,
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+ "starting Init ADC DC Calibration\n");
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+ break;
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+ }
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+
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+ REG_SET_BIT(ah, AR_PHY_TIMING_CTRL4(0),
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+ AR_PHY_TIMING_CTRL4_DO_CAL);
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+}
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+
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+static bool ar9002_hw_per_calibration(struct ath_hw *ah,
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+ struct ath9k_channel *ichan,
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+ u8 rxchainmask,
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+ struct ath9k_cal_list *currCal)
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+{
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+ bool iscaldone = false;
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+
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+ if (currCal->calState == CAL_RUNNING) {
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+ if (!(REG_READ(ah, AR_PHY_TIMING_CTRL4(0)) &
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+ AR_PHY_TIMING_CTRL4_DO_CAL)) {
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+
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+ currCal->calData->calCollect(ah);
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+ ah->cal_samples++;
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+
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+ if (ah->cal_samples >=
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+ currCal->calData->calNumSamples) {
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+ int i, numChains = 0;
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+ for (i = 0; i < AR5416_MAX_CHAINS; i++) {
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+ if (rxchainmask & (1 << i))
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+ numChains++;
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+ }
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+
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+ currCal->calData->calPostProc(ah, numChains);
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+ ichan->CalValid |= currCal->calData->calType;
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+ currCal->calState = CAL_DONE;
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+ iscaldone = true;
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+ } else {
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+ ar9002_hw_setup_calibration(ah, currCal);
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+ }
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+ }
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+ } else if (!(ichan->CalValid & currCal->calData->calType)) {
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+ ath9k_hw_reset_calibration(ah, currCal);
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+ }
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+
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+ return iscaldone;
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+}
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+
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+/* Assumes you are talking about the currently configured channel */
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+static bool ar9002_hw_iscal_supported(struct ath_hw *ah,
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+ enum ath9k_cal_types calType)
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+{
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+ struct ieee80211_conf *conf = &ath9k_hw_common(ah)->hw->conf;
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+
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+ switch (calType & ah->supp_cals) {
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+ case IQ_MISMATCH_CAL: /* Both 2 GHz and 5 GHz support OFDM */
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+ return true;
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+ case ADC_GAIN_CAL:
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+ case ADC_DC_CAL:
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+ if (!(conf->channel->band == IEEE80211_BAND_2GHZ &&
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+ conf_is_ht20(conf)))
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+ return true;
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+ break;
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+ }
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+ return false;
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+}
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+
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+static void ar9002_hw_iqcal_collect(struct ath_hw *ah)
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+{
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+ int i;
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+
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+ for (i = 0; i < AR5416_MAX_CHAINS; i++) {
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+ ah->totalPowerMeasI[i] +=
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+ REG_READ(ah, AR_PHY_CAL_MEAS_0(i));
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+ ah->totalPowerMeasQ[i] +=
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+ REG_READ(ah, AR_PHY_CAL_MEAS_1(i));
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+ ah->totalIqCorrMeas[i] +=
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+ (int32_t) REG_READ(ah, AR_PHY_CAL_MEAS_2(i));
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+ ath_print(ath9k_hw_common(ah), ATH_DBG_CALIBRATE,
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+ "%d: Chn %d pmi=0x%08x;pmq=0x%08x;iqcm=0x%08x;\n",
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+ ah->cal_samples, i, ah->totalPowerMeasI[i],
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+ ah->totalPowerMeasQ[i],
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+ ah->totalIqCorrMeas[i]);
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+ }
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+}
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+
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+static void ar9002_hw_adc_gaincal_collect(struct ath_hw *ah)
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+{
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+ int i;
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+
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+ for (i = 0; i < AR5416_MAX_CHAINS; i++) {
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+ ah->totalAdcIOddPhase[i] +=
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+ REG_READ(ah, AR_PHY_CAL_MEAS_0(i));
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+ ah->totalAdcIEvenPhase[i] +=
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+ REG_READ(ah, AR_PHY_CAL_MEAS_1(i));
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+ ah->totalAdcQOddPhase[i] +=
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+ REG_READ(ah, AR_PHY_CAL_MEAS_2(i));
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+ ah->totalAdcQEvenPhase[i] +=
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+ REG_READ(ah, AR_PHY_CAL_MEAS_3(i));
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+
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+ ath_print(ath9k_hw_common(ah), ATH_DBG_CALIBRATE,
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+ "%d: Chn %d oddi=0x%08x; eveni=0x%08x; "
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+ "oddq=0x%08x; evenq=0x%08x;\n",
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+ ah->cal_samples, i,
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+ ah->totalAdcIOddPhase[i],
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+ ah->totalAdcIEvenPhase[i],
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+ ah->totalAdcQOddPhase[i],
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+ ah->totalAdcQEvenPhase[i]);
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+ }
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+}
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+
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+static void ar9002_hw_adc_dccal_collect(struct ath_hw *ah)
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+{
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+ int i;
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+
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+ for (i = 0; i < AR5416_MAX_CHAINS; i++) {
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+ ah->totalAdcDcOffsetIOddPhase[i] +=
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+ (int32_t) REG_READ(ah, AR_PHY_CAL_MEAS_0(i));
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+ ah->totalAdcDcOffsetIEvenPhase[i] +=
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+ (int32_t) REG_READ(ah, AR_PHY_CAL_MEAS_1(i));
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+ ah->totalAdcDcOffsetQOddPhase[i] +=
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+ (int32_t) REG_READ(ah, AR_PHY_CAL_MEAS_2(i));
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+ ah->totalAdcDcOffsetQEvenPhase[i] +=
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+ (int32_t) REG_READ(ah, AR_PHY_CAL_MEAS_3(i));
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+
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+ ath_print(ath9k_hw_common(ah), ATH_DBG_CALIBRATE,
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+ "%d: Chn %d oddi=0x%08x; eveni=0x%08x; "
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+ "oddq=0x%08x; evenq=0x%08x;\n",
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+ ah->cal_samples, i,
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+ ah->totalAdcDcOffsetIOddPhase[i],
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+ ah->totalAdcDcOffsetIEvenPhase[i],
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+ ah->totalAdcDcOffsetQOddPhase[i],
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+ ah->totalAdcDcOffsetQEvenPhase[i]);
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+ }
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+}
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+
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+static void ar9002_hw_iqcalibrate(struct ath_hw *ah, u8 numChains)
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+{
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+ struct ath_common *common = ath9k_hw_common(ah);
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+ u32 powerMeasQ, powerMeasI, iqCorrMeas;
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+ u32 qCoffDenom, iCoffDenom;
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+ int32_t qCoff, iCoff;
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+ int iqCorrNeg, i;
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+
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+ for (i = 0; i < numChains; i++) {
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+ powerMeasI = ah->totalPowerMeasI[i];
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+ powerMeasQ = ah->totalPowerMeasQ[i];
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+ iqCorrMeas = ah->totalIqCorrMeas[i];
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+
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+ ath_print(common, ATH_DBG_CALIBRATE,
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+ "Starting IQ Cal and Correction for Chain %d\n",
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+ i);
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+
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+ ath_print(common, ATH_DBG_CALIBRATE,
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+ "Orignal: Chn %diq_corr_meas = 0x%08x\n",
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+ i, ah->totalIqCorrMeas[i]);
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+
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+ iqCorrNeg = 0;
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+
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+ if (iqCorrMeas > 0x80000000) {
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+ iqCorrMeas = (0xffffffff - iqCorrMeas) + 1;
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+ iqCorrNeg = 1;
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+ }
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+
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+ ath_print(common, ATH_DBG_CALIBRATE,
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+ "Chn %d pwr_meas_i = 0x%08x\n", i, powerMeasI);
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+ ath_print(common, ATH_DBG_CALIBRATE,
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+ "Chn %d pwr_meas_q = 0x%08x\n", i, powerMeasQ);
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+ ath_print(common, ATH_DBG_CALIBRATE, "iqCorrNeg is 0x%08x\n",
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+ iqCorrNeg);
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+
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+ iCoffDenom = (powerMeasI / 2 + powerMeasQ / 2) / 128;
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+ qCoffDenom = powerMeasQ / 64;
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+
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+ if ((powerMeasQ != 0) && (iCoffDenom != 0) &&
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+ (qCoffDenom != 0)) {
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+ iCoff = iqCorrMeas / iCoffDenom;
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+ qCoff = powerMeasI / qCoffDenom - 64;
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+ ath_print(common, ATH_DBG_CALIBRATE,
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+ "Chn %d iCoff = 0x%08x\n", i, iCoff);
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+ ath_print(common, ATH_DBG_CALIBRATE,
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+ "Chn %d qCoff = 0x%08x\n", i, qCoff);
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+
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+ iCoff = iCoff & 0x3f;
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+ ath_print(common, ATH_DBG_CALIBRATE,
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+ "New: Chn %d iCoff = 0x%08x\n", i, iCoff);
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+ if (iqCorrNeg == 0x0)
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+ iCoff = 0x40 - iCoff;
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+
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+ if (qCoff > 15)
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+ qCoff = 15;
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+ else if (qCoff <= -16)
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+ qCoff = 16;
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+
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+ ath_print(common, ATH_DBG_CALIBRATE,
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+ "Chn %d : iCoff = 0x%x qCoff = 0x%x\n",
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+ i, iCoff, qCoff);
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+
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+ REG_RMW_FIELD(ah, AR_PHY_TIMING_CTRL4(i),
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+ AR_PHY_TIMING_CTRL4_IQCORR_Q_I_COFF,
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+ iCoff);
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+ REG_RMW_FIELD(ah, AR_PHY_TIMING_CTRL4(i),
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+ AR_PHY_TIMING_CTRL4_IQCORR_Q_Q_COFF,
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+ qCoff);
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+ ath_print(common, ATH_DBG_CALIBRATE,
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+ "IQ Cal and Correction done for Chain %d\n",
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+ i);
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+ }
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+ }
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+
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+ REG_SET_BIT(ah, AR_PHY_TIMING_CTRL4(0),
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+ AR_PHY_TIMING_CTRL4_IQCORR_ENABLE);
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+}
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+
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+static void ar9002_hw_adc_gaincal_calibrate(struct ath_hw *ah, u8 numChains)
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+{
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+ struct ath_common *common = ath9k_hw_common(ah);
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+ u32 iOddMeasOffset, iEvenMeasOffset, qOddMeasOffset, qEvenMeasOffset;
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+ u32 qGainMismatch, iGainMismatch, val, i;
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+
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+ for (i = 0; i < numChains; i++) {
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+ iOddMeasOffset = ah->totalAdcIOddPhase[i];
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+ iEvenMeasOffset = ah->totalAdcIEvenPhase[i];
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+ qOddMeasOffset = ah->totalAdcQOddPhase[i];
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+ qEvenMeasOffset = ah->totalAdcQEvenPhase[i];
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+
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+ ath_print(common, ATH_DBG_CALIBRATE,
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+ "Starting ADC Gain Cal for Chain %d\n", i);
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+
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+ ath_print(common, ATH_DBG_CALIBRATE,
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+ "Chn %d pwr_meas_odd_i = 0x%08x\n", i,
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+ iOddMeasOffset);
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+ ath_print(common, ATH_DBG_CALIBRATE,
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+ "Chn %d pwr_meas_even_i = 0x%08x\n", i,
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+ iEvenMeasOffset);
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+ ath_print(common, ATH_DBG_CALIBRATE,
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+ "Chn %d pwr_meas_odd_q = 0x%08x\n", i,
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+ qOddMeasOffset);
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+ ath_print(common, ATH_DBG_CALIBRATE,
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+ "Chn %d pwr_meas_even_q = 0x%08x\n", i,
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+ qEvenMeasOffset);
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+
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+ if (iOddMeasOffset != 0 && qEvenMeasOffset != 0) {
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+ iGainMismatch =
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+ ((iEvenMeasOffset * 32) /
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+ iOddMeasOffset) & 0x3f;
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+ qGainMismatch =
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+ ((qOddMeasOffset * 32) /
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+ qEvenMeasOffset) & 0x3f;
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+
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+ ath_print(common, ATH_DBG_CALIBRATE,
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+ "Chn %d gain_mismatch_i = 0x%08x\n", i,
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+ iGainMismatch);
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+ ath_print(common, ATH_DBG_CALIBRATE,
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+ "Chn %d gain_mismatch_q = 0x%08x\n", i,
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+ qGainMismatch);
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+
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+ val = REG_READ(ah, AR_PHY_NEW_ADC_DC_GAIN_CORR(i));
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+ val &= 0xfffff000;
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+ val |= (qGainMismatch) | (iGainMismatch << 6);
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+ REG_WRITE(ah, AR_PHY_NEW_ADC_DC_GAIN_CORR(i), val);
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+
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+ ath_print(common, ATH_DBG_CALIBRATE,
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+ "ADC Gain Cal done for Chain %d\n", i);
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+ }
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+ }
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+
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+ REG_WRITE(ah, AR_PHY_NEW_ADC_DC_GAIN_CORR(0),
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+ REG_READ(ah, AR_PHY_NEW_ADC_DC_GAIN_CORR(0)) |
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+ AR_PHY_NEW_ADC_GAIN_CORR_ENABLE);
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+}
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+
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+static void ar9002_hw_adc_dccal_calibrate(struct ath_hw *ah, u8 numChains)
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+{
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+ struct ath_common *common = ath9k_hw_common(ah);
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+ u32 iOddMeasOffset, iEvenMeasOffset, val, i;
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+ int32_t qOddMeasOffset, qEvenMeasOffset, qDcMismatch, iDcMismatch;
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+ const struct ath9k_percal_data *calData =
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+ ah->cal_list_curr->calData;
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+ u32 numSamples =
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+ (1 << (calData->calCountMax + 5)) * calData->calNumSamples;
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+
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+ for (i = 0; i < numChains; i++) {
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+ iOddMeasOffset = ah->totalAdcDcOffsetIOddPhase[i];
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+ iEvenMeasOffset = ah->totalAdcDcOffsetIEvenPhase[i];
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+ qOddMeasOffset = ah->totalAdcDcOffsetQOddPhase[i];
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+ qEvenMeasOffset = ah->totalAdcDcOffsetQEvenPhase[i];
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+
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+ ath_print(common, ATH_DBG_CALIBRATE,
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+ "Starting ADC DC Offset Cal for Chain %d\n", i);
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+
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+ ath_print(common, ATH_DBG_CALIBRATE,
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+ "Chn %d pwr_meas_odd_i = %d\n", i,
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+ iOddMeasOffset);
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+ ath_print(common, ATH_DBG_CALIBRATE,
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+ "Chn %d pwr_meas_even_i = %d\n", i,
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+ iEvenMeasOffset);
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+ ath_print(common, ATH_DBG_CALIBRATE,
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+ "Chn %d pwr_meas_odd_q = %d\n", i,
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+ qOddMeasOffset);
|
|
|
+ ath_print(common, ATH_DBG_CALIBRATE,
|
|
|
+ "Chn %d pwr_meas_even_q = %d\n", i,
|
|
|
+ qEvenMeasOffset);
|
|
|
+
|
|
|
+ iDcMismatch = (((iEvenMeasOffset - iOddMeasOffset) * 2) /
|
|
|
+ numSamples) & 0x1ff;
|
|
|
+ qDcMismatch = (((qOddMeasOffset - qEvenMeasOffset) * 2) /
|
|
|
+ numSamples) & 0x1ff;
|
|
|
+
|
|
|
+ ath_print(common, ATH_DBG_CALIBRATE,
|
|
|
+ "Chn %d dc_offset_mismatch_i = 0x%08x\n", i,
|
|
|
+ iDcMismatch);
|
|
|
+ ath_print(common, ATH_DBG_CALIBRATE,
|
|
|
+ "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);
|
|
|
+
|
|
|
+ ath_print(common, ATH_DBG_CALIBRATE,
|
|
|
+ "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);
|
|
|
+}
|
|
|
+
|
|
|
+static void ar9287_hw_olc_temp_compensation(struct ath_hw *ah)
|
|
|
+{
|
|
|
+ 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);
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+static void ar9280_hw_olc_temp_compensation(struct ath_hw *ah)
|
|
|
+{
|
|
|
+ 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);
|
|
|
+ }
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+static void ar9271_hw_pa_cal(struct ath_hw *ah, bool is_reset)
|
|
|
+{
|
|
|
+ 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) && (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;
|
|
|
+ }
|
|
|
+
|
|
|
+ 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]);
|
|
|
+}
|
|
|
+
|
|
|
+static inline void ar9285_hw_pa_cal(struct ath_hw *ah, bool is_reset)
|
|
|
+{
|
|
|
+ struct ath_common *common = ath9k_hw_common(ah);
|
|
|
+ u32 regVal;
|
|
|
+ int i, 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 },
|
|
|
+ };
|
|
|
+
|
|
|
+ ath_print(common, ATH_DBG_CALIBRATE, "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;
|
|
|
+
|
|
|
+ if (AR_SREV_9285_11(ah)) {
|
|
|
+ REG_WRITE(ah, AR9285_AN_TOP4, (AR9285_AN_TOP4_DEFAULT | 0x14));
|
|
|
+ udelay(10);
|
|
|
+ }
|
|
|
+
|
|
|
+ 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);
|
|
|
+
|
|
|
+ if (AR_SREV_9285_11(ah))
|
|
|
+ REG_WRITE(ah, AR9285_AN_TOP4, AR9285_AN_TOP4_DEFAULT);
|
|
|
+
|
|
|
+}
|
|
|
+
|
|
|
+static void ar9002_hw_pa_cal(struct ath_hw *ah, bool is_reset)
|
|
|
+{
|
|
|
+ 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_11_OR_LATER(ah)) {
|
|
|
+ if (is_reset || !ah->pacal_info.skipcount)
|
|
|
+ ar9285_hw_pa_cal(ah, is_reset);
|
|
|
+ else
|
|
|
+ ah->pacal_info.skipcount--;
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+static void ar9002_hw_olc_temp_compensation(struct ath_hw *ah)
|
|
|
+{
|
|
|
+ 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);
|
|
|
+}
|
|
|
+
|
|
|
+static bool ar9002_hw_calibrate(struct ath_hw *ah,
|
|
|
+ struct ath9k_channel *chan,
|
|
|
+ u8 rxchainmask,
|
|
|
+ bool longcal)
|
|
|
+{
|
|
|
+ bool iscaldone = true;
|
|
|
+ struct ath9k_cal_list *currCal = ah->cal_list_curr;
|
|
|
+
|
|
|
+ if (currCal &&
|
|
|
+ (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 = false;
|
|
|
+ ath9k_hw_reset_calibration(ah, currCal);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Do NF cal only at longer intervals */
|
|
|
+ if (longcal) {
|
|
|
+ /* Do periodic PAOffset Cal */
|
|
|
+ ar9002_hw_pa_cal(ah, false);
|
|
|
+ ar9002_hw_olc_temp_compensation(ah);
|
|
|
+
|
|
|
+ /*
|
|
|
+ * Get the value from the previous NF cal and update
|
|
|
+ * history buffer.
|
|
|
+ */
|
|
|
+ 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);
|
|
|
+
|
|
|
+ ath9k_hw_start_nfcal(ah);
|
|
|
+ }
|
|
|
+
|
|
|
+ return iscaldone;
|
|
|
+}
|
|
|
+
|
|
|
+/* Carrier leakage Calibration fix */
|
|
|
+static bool ar9285_hw_cl_cal(struct ath_hw *ah, struct ath9k_channel *chan)
|
|
|
+{
|
|
|
+ struct ath_common *common = ath9k_hw_common(ah);
|
|
|
+
|
|
|
+ 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)) {
|
|
|
+ ath_print(common, 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)) {
|
|
|
+ ath_print(common, 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;
|
|
|
+}
|
|
|
+
|
|
|
+static bool ar9285_hw_clc(struct ath_hw *ah, struct ath9k_channel *chan)
|
|
|
+{
|
|
|
+ int i;
|
|
|
+ u_int32_t txgain_max;
|
|
|
+ u_int32_t clc_gain, gain_mask = 0, clc_num = 0;
|
|
|
+ u_int32_t reg_clc_I0, reg_clc_Q0;
|
|
|
+ u_int32_t i0_num = 0;
|
|
|
+ u_int32_t q0_num = 0;
|
|
|
+ u_int32_t total_num = 0;
|
|
|
+ u_int32_t reg_rf2g5_org;
|
|
|
+ bool retv = true;
|
|
|
+
|
|
|
+ if (!(ar9285_hw_cl_cal(ah, chan)))
|
|
|
+ return false;
|
|
|
+
|
|
|
+ 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;
|
|
|
+}
|
|
|
+
|
|
|
+static bool ar9002_hw_init_cal(struct ath_hw *ah, struct ath9k_channel *chan)
|
|
|
+{
|
|
|
+ struct ath_common *common = ath9k_hw_common(ah);
|
|
|
+
|
|
|
+ if (AR_SREV_9271(ah) || AR_SREV_9285_12_OR_LATER(ah)) {
|
|
|
+ if (!ar9285_hw_clc(ah, chan))
|
|
|
+ return false;
|
|
|
+ } else {
|
|
|
+ if (AR_SREV_9280_10_OR_LATER(ah)) {
|
|
|
+ if (!AR_SREV_9287_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);
|
|
|
+ }
|
|
|
+
|
|
|
+ /* 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)) {
|
|
|
+ ath_print(common, ATH_DBG_CALIBRATE,
|
|
|
+ "offset calibration failed to "
|
|
|
+ "complete in 1ms; noisy environment?\n");
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (AR_SREV_9280_10_OR_LATER(ah)) {
|
|
|
+ if (!AR_SREV_9287_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 */
|
|
|
+ ar9002_hw_pa_cal(ah, true);
|
|
|
+
|
|
|
+ /* Do NF Calibration after DC offset and other calibrations */
|
|
|
+ REG_WRITE(ah, AR_PHY_AGC_CONTROL,
|
|
|
+ REG_READ(ah, AR_PHY_AGC_CONTROL) | AR_PHY_AGC_CONTROL_NF);
|
|
|
+
|
|
|
+ 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)) {
|
|
|
+ if (ar9002_hw_iscal_supported(ah, ADC_GAIN_CAL)) {
|
|
|
+ INIT_CAL(&ah->adcgain_caldata);
|
|
|
+ INSERT_CAL(ah, &ah->adcgain_caldata);
|
|
|
+ ath_print(common, ATH_DBG_CALIBRATE,
|
|
|
+ "enabling ADC Gain Calibration.\n");
|
|
|
+ }
|
|
|
+ if (ar9002_hw_iscal_supported(ah, ADC_DC_CAL)) {
|
|
|
+ INIT_CAL(&ah->adcdc_caldata);
|
|
|
+ INSERT_CAL(ah, &ah->adcdc_caldata);
|
|
|
+ ath_print(common, ATH_DBG_CALIBRATE,
|
|
|
+ "enabling ADC DC Calibration.\n");
|
|
|
+ }
|
|
|
+ if (ar9002_hw_iscal_supported(ah, IQ_MISMATCH_CAL)) {
|
|
|
+ INIT_CAL(&ah->iq_caldata);
|
|
|
+ INSERT_CAL(ah, &ah->iq_caldata);
|
|
|
+ ath_print(common, ATH_DBG_CALIBRATE,
|
|
|
+ "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);
|
|
|
+ }
|
|
|
+
|
|
|
+ chan->CalValid = 0;
|
|
|
+
|
|
|
+ return true;
|
|
|
+}
|
|
|
+
|
|
|
+static const struct ath9k_percal_data iq_cal_multi_sample = {
|
|
|
+ IQ_MISMATCH_CAL,
|
|
|
+ MAX_CAL_SAMPLES,
|
|
|
+ PER_MIN_LOG_COUNT,
|
|
|
+ ar9002_hw_iqcal_collect,
|
|
|
+ ar9002_hw_iqcalibrate
|
|
|
+};
|
|
|
+static const struct ath9k_percal_data iq_cal_single_sample = {
|
|
|
+ IQ_MISMATCH_CAL,
|
|
|
+ MIN_CAL_SAMPLES,
|
|
|
+ PER_MAX_LOG_COUNT,
|
|
|
+ ar9002_hw_iqcal_collect,
|
|
|
+ ar9002_hw_iqcalibrate
|
|
|
+};
|
|
|
+static const struct ath9k_percal_data adc_gain_cal_multi_sample = {
|
|
|
+ ADC_GAIN_CAL,
|
|
|
+ MAX_CAL_SAMPLES,
|
|
|
+ PER_MIN_LOG_COUNT,
|
|
|
+ ar9002_hw_adc_gaincal_collect,
|
|
|
+ ar9002_hw_adc_gaincal_calibrate
|
|
|
+};
|
|
|
+static const struct ath9k_percal_data adc_gain_cal_single_sample = {
|
|
|
+ ADC_GAIN_CAL,
|
|
|
+ MIN_CAL_SAMPLES,
|
|
|
+ PER_MAX_LOG_COUNT,
|
|
|
+ ar9002_hw_adc_gaincal_collect,
|
|
|
+ ar9002_hw_adc_gaincal_calibrate
|
|
|
+};
|
|
|
+static const struct ath9k_percal_data adc_dc_cal_multi_sample = {
|
|
|
+ ADC_DC_CAL,
|
|
|
+ MAX_CAL_SAMPLES,
|
|
|
+ PER_MIN_LOG_COUNT,
|
|
|
+ ar9002_hw_adc_dccal_collect,
|
|
|
+ ar9002_hw_adc_dccal_calibrate
|
|
|
+};
|
|
|
+static const struct ath9k_percal_data adc_dc_cal_single_sample = {
|
|
|
+ ADC_DC_CAL,
|
|
|
+ MIN_CAL_SAMPLES,
|
|
|
+ PER_MAX_LOG_COUNT,
|
|
|
+ ar9002_hw_adc_dccal_collect,
|
|
|
+ ar9002_hw_adc_dccal_calibrate
|
|
|
+};
|
|
|
+static const struct ath9k_percal_data adc_init_dc_cal = {
|
|
|
+ ADC_DC_INIT_CAL,
|
|
|
+ MIN_CAL_SAMPLES,
|
|
|
+ INIT_LOG_COUNT,
|
|
|
+ ar9002_hw_adc_dccal_collect,
|
|
|
+ ar9002_hw_adc_dccal_calibrate
|
|
|
+};
|
|
|
+
|
|
|
+static void ar9002_hw_init_cal_settings(struct ath_hw *ah)
|
|
|
+{
|
|
|
+ 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_10_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;
|
|
|
+ ah->adcdc_calinitdata.calData =
|
|
|
+ &adc_init_dc_cal;
|
|
|
+ } 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->adcdc_calinitdata.calData =
|
|
|
+ &adc_init_dc_cal;
|
|
|
+ }
|
|
|
+ ah->supp_cals = ADC_GAIN_CAL | ADC_DC_CAL | IQ_MISMATCH_CAL;
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+void ar9002_hw_attach_calib_ops(struct ath_hw *ah)
|
|
|
+{
|
|
|
+ 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;
|
|
|
+ priv_ops->iscal_supported = ar9002_hw_iscal_supported;
|
|
|
+
|
|
|
+ ops->calibrate = ar9002_hw_calibrate;
|
|
|
+}
|