drivers/net/wireless/mediatek/mt76/mt76x2u_phy.c - linux - Git at Google

 /*
  * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
  *
  * Permission to use, copy, modify, and/or distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
  * copyright notice and this permission notice appear in all copies.
  *
  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */

 #include "mt76x2u.h"
 #include "mt76x2_eeprom.h"

 void mt76x2u_phy_set_rxpath(struct mt76x2_dev *dev)
 {
 	u32 val;

 	val = mt76_rr(dev, MT_BBP(AGC, 0));
 	val &= ~BIT(4);

 	switch (dev->chainmask & 0xf) {
 	case 2:
 		val |= BIT(3);
 		break;
 	default:
 		val &= ~BIT(3);
 		break;
 	}
 	mt76_wr(dev, MT_BBP(AGC, 0), val);
 }

 void mt76x2u_phy_set_txdac(struct mt76x2_dev *dev)
 {
 	int txpath;

 	txpath = (dev->chainmask >> 8) & 0xf;
 	switch (txpath) {
 	case 2:
 		mt76_set(dev, MT_BBP(TXBE, 5), 0x3);
 		break;
 	default:
 		mt76_clear(dev, MT_BBP(TXBE, 5), 0x3);
 		break;
 	}
 }

 void mt76x2u_phy_channel_calibrate(struct mt76x2_dev *dev)
 {
 	struct ieee80211_channel *chan = dev->mt76.chandef.chan;
 	bool is_5ghz = chan->band == NL80211_BAND_5GHZ;

 	if (mt76x2_channel_silent(dev))
 		return;

 	mt76x2u_mac_stop(dev);

 	if (is_5ghz)
 		mt76x2u_mcu_calibrate(dev, MCU_CAL_LC, 0);

 	mt76x2u_mcu_calibrate(dev, MCU_CAL_TX_LOFT, is_5ghz);
 	mt76x2u_mcu_calibrate(dev, MCU_CAL_TXIQ, is_5ghz);
 	mt76x2u_mcu_calibrate(dev, MCU_CAL_RXIQC_FI, is_5ghz);
 	mt76x2u_mcu_calibrate(dev, MCU_CAL_TEMP_SENSOR, 0);

 	mt76x2u_mac_resume(dev);
 }

 static void
 mt76x2u_phy_tssi_compensate(struct mt76x2_dev *dev)
 {
 	struct ieee80211_channel *chan = dev->mt76.chandef.chan;
 	struct mt76x2_tx_power_info txp;
 	struct mt76x2_tssi_comp t = {};

 	if (!dev->cal.tssi_cal_done)
 		return;

 	if (!dev->cal.tssi_comp_pending) {
 		/* TSSI trigger */
 		t.cal_mode = BIT(0);
 		mt76x2u_mcu_tssi_comp(dev, &t);
 		dev->cal.tssi_comp_pending = true;
 	} else {
 		if (mt76_rr(dev, MT_BBP(CORE, 34)) & BIT(4))
 			return;

 		dev->cal.tssi_comp_pending = false;
 		mt76x2_get_power_info(dev, &txp, chan);

 		if (mt76x2_ext_pa_enabled(dev, chan->band))
 			t.pa_mode = 1;

 		t.cal_mode = BIT(1);
 		t.slope0 = txp.chain[0].tssi_slope;
 		t.offset0 = txp.chain[0].tssi_offset;
 		t.slope1 = txp.chain[1].tssi_slope;
 		t.offset1 = txp.chain[1].tssi_offset;
 		mt76x2u_mcu_tssi_comp(dev, &t);

 		if (t.pa_mode || dev->cal.dpd_cal_done)
 			return;

 		usleep_range(10000, 20000);
 		mt76x2u_mcu_calibrate(dev, MCU_CAL_DPD, chan->hw_value);
 		dev->cal.dpd_cal_done = true;
 	}
 }

 static void
 mt76x2u_phy_update_channel_gain(struct mt76x2_dev *dev)
 {
 	u8 channel = dev->mt76.chandef.chan->hw_value;
 	int freq, freq1;
 	u32 false_cca;

 	freq = dev->mt76.chandef.chan->center_freq;
 	freq1 = dev->mt76.chandef.center_freq1;

 	switch (dev->mt76.chandef.width) {
 	case NL80211_CHAN_WIDTH_80: {
 		int ch_group_index;

 		ch_group_index = (freq - freq1 + 30) / 20;
 		if (WARN_ON(ch_group_index < 0 || ch_group_index > 3))
 			ch_group_index = 0;
 		channel += 6 - ch_group_index * 4;
 		break;
 	}
 	case NL80211_CHAN_WIDTH_40:
 		if (freq1 > freq)
 			channel += 2;
 		else
 			channel -= 2;
 		break;
 	default:
 		break;
 	}

 	dev->cal.avg_rssi_all = mt76x2_phy_get_min_avg_rssi(dev);
 	false_cca = FIELD_GET(MT_RX_STAT_1_CCA_ERRORS,
 			      mt76_rr(dev, MT_RX_STAT_1));

 	mt76x2u_mcu_set_dynamic_vga(dev, channel, false, false,
 				    dev->cal.avg_rssi_all, false_cca);
 }

 void mt76x2u_phy_calibrate(struct work_struct *work)
 {
 	struct mt76x2_dev *dev;

 	dev = container_of(work, struct mt76x2_dev, cal_work.work);
 	mt76x2u_phy_tssi_compensate(dev);
 	mt76x2u_phy_update_channel_gain(dev);

 	ieee80211_queue_delayed_work(mt76_hw(dev), &dev->cal_work,
 				     MT_CALIBRATE_INTERVAL);
 }

 int mt76x2u_phy_set_channel(struct mt76x2_dev *dev,
 			    struct cfg80211_chan_def *chandef)
 {
 	u32 ext_cca_chan[4] = {
 		[0] = FIELD_PREP(MT_EXT_CCA_CFG_CCA0, 0) |
 		      FIELD_PREP(MT_EXT_CCA_CFG_CCA1, 1) |
 		      FIELD_PREP(MT_EXT_CCA_CFG_CCA2, 2) |
 		      FIELD_PREP(MT_EXT_CCA_CFG_CCA3, 3) |
 		      FIELD_PREP(MT_EXT_CCA_CFG_CCA_MASK, BIT(0)),
 		[1] = FIELD_PREP(MT_EXT_CCA_CFG_CCA0, 1) |
 		      FIELD_PREP(MT_EXT_CCA_CFG_CCA1, 0) |
 		      FIELD_PREP(MT_EXT_CCA_CFG_CCA2, 2) |
 		      FIELD_PREP(MT_EXT_CCA_CFG_CCA3, 3) |
 		      FIELD_PREP(MT_EXT_CCA_CFG_CCA_MASK, BIT(1)),
 		[2] = FIELD_PREP(MT_EXT_CCA_CFG_CCA0, 2) |
 		      FIELD_PREP(MT_EXT_CCA_CFG_CCA1, 3) |
 		      FIELD_PREP(MT_EXT_CCA_CFG_CCA2, 1) |
 		      FIELD_PREP(MT_EXT_CCA_CFG_CCA3, 0) |
 		      FIELD_PREP(MT_EXT_CCA_CFG_CCA_MASK, BIT(2)),
 		[3] = FIELD_PREP(MT_EXT_CCA_CFG_CCA0, 3) |
 		      FIELD_PREP(MT_EXT_CCA_CFG_CCA1, 2) |
 		      FIELD_PREP(MT_EXT_CCA_CFG_CCA2, 1) |
 		      FIELD_PREP(MT_EXT_CCA_CFG_CCA3, 0) |
 		      FIELD_PREP(MT_EXT_CCA_CFG_CCA_MASK, BIT(3)),
 	};
 	bool scan = test_bit(MT76_SCANNING, &dev->mt76.state);
 	struct ieee80211_channel *chan = chandef->chan;
 	u8 channel = chan->hw_value, bw, bw_index;
 	int ch_group_index, freq, freq1, ret;

 	dev->cal.channel_cal_done = false;
 	freq = chandef->chan->center_freq;
 	freq1 = chandef->center_freq1;

 	switch (chandef->width) {
 	case NL80211_CHAN_WIDTH_40:
 		bw = 1;
 		if (freq1 > freq) {
 			bw_index = 1;
 			ch_group_index = 0;
 		} else {
 			bw_index = 3;
 			ch_group_index = 1;
 		}
 		channel += 2 - ch_group_index * 4;
 		break;
 	case NL80211_CHAN_WIDTH_80:
 		ch_group_index = (freq - freq1 + 30) / 20;
 		if (WARN_ON(ch_group_index < 0 || ch_group_index > 3))
 			ch_group_index = 0;
 		bw = 2;
 		bw_index = ch_group_index;
 		channel += 6 - ch_group_index * 4;
 		break;
 	default:
 		bw = 0;
 		bw_index = 0;
 		ch_group_index = 0;
 		break;
 	}

 	mt76x2_read_rx_gain(dev);
 	mt76x2_phy_set_txpower_regs(dev, chan->band);
 	mt76x2_configure_tx_delay(dev, chan->band, bw);
 	mt76x2_phy_set_txpower(dev);

 	mt76x2_phy_set_band(dev, chan->band, ch_group_index & 1);
 	mt76x2_phy_set_bw(dev, chandef->width, ch_group_index);

 	mt76_rmw(dev, MT_EXT_CCA_CFG,
 		 (MT_EXT_CCA_CFG_CCA0 |
 		  MT_EXT_CCA_CFG_CCA1 |
 		  MT_EXT_CCA_CFG_CCA2 |
 		  MT_EXT_CCA_CFG_CCA3 |
 		  MT_EXT_CCA_CFG_CCA_MASK),
 		 ext_cca_chan[ch_group_index]);

 	ret = mt76x2u_mcu_set_channel(dev, channel, bw, bw_index, scan);
 	if (ret)
 		return ret;

 	mt76x2u_mcu_init_gain(dev, channel, dev->cal.rx.mcu_gain, true);

 	/* Enable LDPC Rx */
 	if (mt76xx_rev(dev) >= MT76XX_REV_E3)
 		mt76_set(dev, MT_BBP(RXO, 13), BIT(10));

 	if (!dev->cal.init_cal_done) {
 		u8 val = mt76x2_eeprom_get(dev, MT_EE_BT_RCAL_RESULT);

 		if (val != 0xff)
 			mt76x2u_mcu_calibrate(dev, MCU_CAL_R, 0);
 	}

 	mt76x2u_mcu_calibrate(dev, MCU_CAL_RXDCOC, channel);

 	/* Rx LPF calibration */
 	if (!dev->cal.init_cal_done)
 		mt76x2u_mcu_calibrate(dev, MCU_CAL_RC, 0);
 	dev->cal.init_cal_done = true;

 	mt76_wr(dev, MT_BBP(AGC, 61), 0xff64a4e2);
 	mt76_wr(dev, MT_BBP(AGC, 7), 0x08081010);
 	mt76_wr(dev, MT_BBP(AGC, 11), 0x00000404);
 	mt76_wr(dev, MT_BBP(AGC, 2), 0x00007070);
 	mt76_wr(dev, MT_TXOP_CTRL_CFG, 0X04101b3f);

 	mt76_set(dev, MT_BBP(TXO, 4), BIT(25));
 	mt76_set(dev, MT_BBP(RXO, 13), BIT(8));

 	if (scan)
 		return 0;

 	if (mt76x2_tssi_enabled(dev)) {
 		/* init default values for temp compensation */
 		mt76_rmw_field(dev, MT_TX_ALC_CFG_1, MT_TX_ALC_CFG_1_TEMP_COMP,
 			       0x38);
 		mt76_rmw_field(dev, MT_TX_ALC_CFG_2, MT_TX_ALC_CFG_2_TEMP_COMP,
 			       0x38);

 		/* init tssi calibration */
 		if (!mt76x2_channel_silent(dev)) {
 			struct ieee80211_channel *chan;
 			u32 flag = 0;

 			chan = dev->mt76.chandef.chan;
 			if (chan->band == NL80211_BAND_5GHZ)
 				flag |= BIT(0);
 			if (mt76x2_ext_pa_enabled(dev, chan->band))
 				flag |= BIT(8);
 			mt76x2u_mcu_calibrate(dev, MCU_CAL_TSSI, flag);
 			dev->cal.tssi_cal_done = true;
 		}
 	}

 	ieee80211_queue_delayed_work(mt76_hw(dev), &dev->cal_work,
 				     MT_CALIBRATE_INTERVAL);
 	return 0;
 }
	/*
	* Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
	*
	* Permission to use, copy, modify, and/or distribute this software for any
	* purpose with or without fee is hereby granted, provided that the above
	* copyright notice and this permission notice appear in all copies.
	*
	* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
	* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
	* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
	* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
	* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
	* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
	* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
	*/

	#include "mt76x2u.h"
	#include "mt76x2_eeprom.h"

	void mt76x2u_phy_set_rxpath(struct mt76x2_dev *dev)
	{
	u32 val;

	val = mt76_rr(dev, MT_BBP(AGC, 0));
	val &= ~BIT(4);

	switch (dev->chainmask & 0xf) {
	case 2:
	val \|= BIT(3);
	break;
	default:
	val &= ~BIT(3);
	break;
	}
	mt76_wr(dev, MT_BBP(AGC, 0), val);
	}

	void mt76x2u_phy_set_txdac(struct mt76x2_dev *dev)
	{
	int txpath;

	txpath = (dev->chainmask >> 8) & 0xf;
	switch (txpath) {
	case 2:
	mt76_set(dev, MT_BBP(TXBE, 5), 0x3);
	break;
	default:
	mt76_clear(dev, MT_BBP(TXBE, 5), 0x3);
	break;
	}
	}

	void mt76x2u_phy_channel_calibrate(struct mt76x2_dev *dev)
	{
	struct ieee80211_channel *chan = dev->mt76.chandef.chan;
	bool is_5ghz = chan->band == NL80211_BAND_5GHZ;

	if (mt76x2_channel_silent(dev))
	return;

	mt76x2u_mac_stop(dev);

	if (is_5ghz)
	mt76x2u_mcu_calibrate(dev, MCU_CAL_LC, 0);

	mt76x2u_mcu_calibrate(dev, MCU_CAL_TX_LOFT, is_5ghz);
	mt76x2u_mcu_calibrate(dev, MCU_CAL_TXIQ, is_5ghz);
	mt76x2u_mcu_calibrate(dev, MCU_CAL_RXIQC_FI, is_5ghz);
	mt76x2u_mcu_calibrate(dev, MCU_CAL_TEMP_SENSOR, 0);

	mt76x2u_mac_resume(dev);
	}

	static void
	mt76x2u_phy_tssi_compensate(struct mt76x2_dev *dev)
	{
	struct ieee80211_channel *chan = dev->mt76.chandef.chan;
	struct mt76x2_tx_power_info txp;
	struct mt76x2_tssi_comp t = {};

	if (!dev->cal.tssi_cal_done)
	return;

	if (!dev->cal.tssi_comp_pending) {
	/* TSSI trigger */
	t.cal_mode = BIT(0);
	mt76x2u_mcu_tssi_comp(dev, &t);
	dev->cal.tssi_comp_pending = true;
	} else {
	if (mt76_rr(dev, MT_BBP(CORE, 34)) & BIT(4))
	return;

	dev->cal.tssi_comp_pending = false;
	mt76x2_get_power_info(dev, &txp, chan);

	if (mt76x2_ext_pa_enabled(dev, chan->band))
	t.pa_mode = 1;

	t.cal_mode = BIT(1);
	t.slope0 = txp.chain[0].tssi_slope;
	t.offset0 = txp.chain[0].tssi_offset;
	t.slope1 = txp.chain[1].tssi_slope;
	t.offset1 = txp.chain[1].tssi_offset;
	mt76x2u_mcu_tssi_comp(dev, &t);

	if (t.pa_mode \|\| dev->cal.dpd_cal_done)
	return;

	usleep_range(10000, 20000);
	mt76x2u_mcu_calibrate(dev, MCU_CAL_DPD, chan->hw_value);
	dev->cal.dpd_cal_done = true;
	}
	}

	static void
	mt76x2u_phy_update_channel_gain(struct mt76x2_dev *dev)
	{
	u8 channel = dev->mt76.chandef.chan->hw_value;
	int freq, freq1;
	u32 false_cca;

	freq = dev->mt76.chandef.chan->center_freq;
	freq1 = dev->mt76.chandef.center_freq1;

	switch (dev->mt76.chandef.width) {
	case NL80211_CHAN_WIDTH_80: {
	int ch_group_index;

	ch_group_index = (freq - freq1 + 30) / 20;
	if (WARN_ON(ch_group_index < 0 \|\| ch_group_index > 3))
	ch_group_index = 0;
	channel += 6 - ch_group_index * 4;
	break;
	}
	case NL80211_CHAN_WIDTH_40:
	if (freq1 > freq)
	channel += 2;
	else
	channel -= 2;
	break;
	default:
	break;
	}

	dev->cal.avg_rssi_all = mt76x2_phy_get_min_avg_rssi(dev);
	false_cca = FIELD_GET(MT_RX_STAT_1_CCA_ERRORS,
	mt76_rr(dev, MT_RX_STAT_1));

	mt76x2u_mcu_set_dynamic_vga(dev, channel, false, false,
	dev->cal.avg_rssi_all, false_cca);
	}

	void mt76x2u_phy_calibrate(struct work_struct *work)
	{
	struct mt76x2_dev *dev;

	dev = container_of(work, struct mt76x2_dev, cal_work.work);
	mt76x2u_phy_tssi_compensate(dev);
	mt76x2u_phy_update_channel_gain(dev);

	ieee80211_queue_delayed_work(mt76_hw(dev), &dev->cal_work,
	MT_CALIBRATE_INTERVAL);
	}

	int mt76x2u_phy_set_channel(struct mt76x2_dev *dev,
	struct cfg80211_chan_def *chandef)
	{
	u32 ext_cca_chan[4] = {
	[0] = FIELD_PREP(MT_EXT_CCA_CFG_CCA0, 0) \|
	FIELD_PREP(MT_EXT_CCA_CFG_CCA1, 1) \|
	FIELD_PREP(MT_EXT_CCA_CFG_CCA2, 2) \|
	FIELD_PREP(MT_EXT_CCA_CFG_CCA3, 3) \|
	FIELD_PREP(MT_EXT_CCA_CFG_CCA_MASK, BIT(0)),
	[1] = FIELD_PREP(MT_EXT_CCA_CFG_CCA0, 1) \|
	FIELD_PREP(MT_EXT_CCA_CFG_CCA1, 0) \|
	FIELD_PREP(MT_EXT_CCA_CFG_CCA2, 2) \|
	FIELD_PREP(MT_EXT_CCA_CFG_CCA3, 3) \|
	FIELD_PREP(MT_EXT_CCA_CFG_CCA_MASK, BIT(1)),
	[2] = FIELD_PREP(MT_EXT_CCA_CFG_CCA0, 2) \|
	FIELD_PREP(MT_EXT_CCA_CFG_CCA1, 3) \|
	FIELD_PREP(MT_EXT_CCA_CFG_CCA2, 1) \|
	FIELD_PREP(MT_EXT_CCA_CFG_CCA3, 0) \|
	FIELD_PREP(MT_EXT_CCA_CFG_CCA_MASK, BIT(2)),
	[3] = FIELD_PREP(MT_EXT_CCA_CFG_CCA0, 3) \|
	FIELD_PREP(MT_EXT_CCA_CFG_CCA1, 2) \|
	FIELD_PREP(MT_EXT_CCA_CFG_CCA2, 1) \|
	FIELD_PREP(MT_EXT_CCA_CFG_CCA3, 0) \|
	FIELD_PREP(MT_EXT_CCA_CFG_CCA_MASK, BIT(3)),
	};
	bool scan = test_bit(MT76_SCANNING, &dev->mt76.state);
	struct ieee80211_channel *chan = chandef->chan;
	u8 channel = chan->hw_value, bw, bw_index;
	int ch_group_index, freq, freq1, ret;

	dev->cal.channel_cal_done = false;
	freq = chandef->chan->center_freq;
	freq1 = chandef->center_freq1;

	switch (chandef->width) {
	case NL80211_CHAN_WIDTH_40:
	bw = 1;
	if (freq1 > freq) {
	bw_index = 1;
	ch_group_index = 0;
	} else {
	bw_index = 3;
	ch_group_index = 1;
	}
	channel += 2 - ch_group_index * 4;
	break;
	case NL80211_CHAN_WIDTH_80:
	ch_group_index = (freq - freq1 + 30) / 20;
	if (WARN_ON(ch_group_index < 0 \|\| ch_group_index > 3))
	ch_group_index = 0;
	bw = 2;
	bw_index = ch_group_index;
	channel += 6 - ch_group_index * 4;
	break;
	default:
	bw = 0;
	bw_index = 0;
	ch_group_index = 0;
	break;
	}

	mt76x2_read_rx_gain(dev);
	mt76x2_phy_set_txpower_regs(dev, chan->band);
	mt76x2_configure_tx_delay(dev, chan->band, bw);
	mt76x2_phy_set_txpower(dev);

	mt76x2_phy_set_band(dev, chan->band, ch_group_index & 1);
	mt76x2_phy_set_bw(dev, chandef->width, ch_group_index);

	mt76_rmw(dev, MT_EXT_CCA_CFG,
	(MT_EXT_CCA_CFG_CCA0 \|
	MT_EXT_CCA_CFG_CCA1 \|
	MT_EXT_CCA_CFG_CCA2 \|
	MT_EXT_CCA_CFG_CCA3 \|
	MT_EXT_CCA_CFG_CCA_MASK),
	ext_cca_chan[ch_group_index]);

	ret = mt76x2u_mcu_set_channel(dev, channel, bw, bw_index, scan);
	if (ret)
	return ret;

	mt76x2u_mcu_init_gain(dev, channel, dev->cal.rx.mcu_gain, true);

	/* Enable LDPC Rx */
	if (mt76xx_rev(dev) >= MT76XX_REV_E3)
	mt76_set(dev, MT_BBP(RXO, 13), BIT(10));

	if (!dev->cal.init_cal_done) {
	u8 val = mt76x2_eeprom_get(dev, MT_EE_BT_RCAL_RESULT);

	if (val != 0xff)
	mt76x2u_mcu_calibrate(dev, MCU_CAL_R, 0);
	}

	mt76x2u_mcu_calibrate(dev, MCU_CAL_RXDCOC, channel);

	/* Rx LPF calibration */
	if (!dev->cal.init_cal_done)
	mt76x2u_mcu_calibrate(dev, MCU_CAL_RC, 0);
	dev->cal.init_cal_done = true;

	mt76_wr(dev, MT_BBP(AGC, 61), 0xff64a4e2);
	mt76_wr(dev, MT_BBP(AGC, 7), 0x08081010);
	mt76_wr(dev, MT_BBP(AGC, 11), 0x00000404);
	mt76_wr(dev, MT_BBP(AGC, 2), 0x00007070);
	mt76_wr(dev, MT_TXOP_CTRL_CFG, 0X04101b3f);

	mt76_set(dev, MT_BBP(TXO, 4), BIT(25));
	mt76_set(dev, MT_BBP(RXO, 13), BIT(8));

	if (scan)
	return 0;

	if (mt76x2_tssi_enabled(dev)) {
	/* init default values for temp compensation */
	mt76_rmw_field(dev, MT_TX_ALC_CFG_1, MT_TX_ALC_CFG_1_TEMP_COMP,
	0x38);
	mt76_rmw_field(dev, MT_TX_ALC_CFG_2, MT_TX_ALC_CFG_2_TEMP_COMP,
	0x38);

	/* init tssi calibration */
	if (!mt76x2_channel_silent(dev)) {
	struct ieee80211_channel *chan;
	u32 flag = 0;

	chan = dev->mt76.chandef.chan;
	if (chan->band == NL80211_BAND_5GHZ)
	flag \|= BIT(0);
	if (mt76x2_ext_pa_enabled(dev, chan->band))
	flag \|= BIT(8);
	mt76x2u_mcu_calibrate(dev, MCU_CAL_TSSI, flag);
	dev->cal.tssi_cal_done = true;
	}
	}

	ieee80211_queue_delayed_work(mt76_hw(dev), &dev->cal_work,
	MT_CALIBRATE_INTERVAL);
	return 0;
	}