示例#1
0
static int ar9002_hw_is_cal_supported(struct ath_hw *ah,
				struct ath9k_channel *chan,
				enum ar9002_cal_types cal_type)
{
	int supported = 0;
	switch (ah->supp_cals & cal_type) {
	case IQ_MISMATCH_CAL:
		/* Run IQ Mismatch for non-CCK only */
		if (!IS_CHAN_B(chan))
			supported = 1;
		break;
	case ADC_GAIN_CAL:
	case ADC_DC_CAL:
		/* Run ADC Gain Cal for non-CCK & non 2GHz-HT20 only */
		if (!IS_CHAN_B(chan) &&
		    !(IS_CHAN_2GHZ(chan) && IS_CHAN_HT20(chan)))
			supported = 1;
		break;
	}
	return supported;
}
示例#2
0
static bool ath9k_hw_iscal_supported(struct ath_hal *ah,
				     struct ath9k_channel *chan,
				     enum hal_cal_types calType)
{
	struct ath_hal_5416 *ahp = AH5416(ah);
	bool retval = false;

	switch (calType & ahp->ah_suppCals) {
	case IQ_MISMATCH_CAL:
		if (!IS_CHAN_B(chan))
			retval = true;
		break;
	case ADC_GAIN_CAL:
	case ADC_DC_CAL:
		if (!IS_CHAN_B(chan)
		    && !(IS_CHAN_2GHZ(chan) && IS_CHAN_HT20(chan)))
			retval = true;
		break;
	}

	return retval;
}
示例#3
0
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 (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)) {
			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;
}