1 // SPDX-License-Identifier: ISC
13 mt76x2_adjust_high_lna_gain(struct mt76x02_dev *dev, int reg, s8 offset)  in mt76x2_adjust_high_lna_gain()  argument
15 	s8 gain;  in mt76x2_adjust_high_lna_gain()  local
17 	gain = FIELD_GET(MT_BBP_AGC_LNA_HIGH_GAIN,  in mt76x2_adjust_high_lna_gain()
19 	gain -= offset / 2;  in mt76x2_adjust_high_lna_gain()
20 	mt76_rmw_field(dev, MT_BBP(AGC, reg), MT_BBP_AGC_LNA_HIGH_GAIN, gain);  in mt76x2_adjust_high_lna_gain()
24 mt76x2_adjust_agc_gain(struct mt76x02_dev *dev, int reg, s8 offset)  in mt76x2_adjust_agc_gain()  argument
26 	s8 gain;  in mt76x2_adjust_agc_gain()  local
28 	gain = FIELD_GET(MT_BBP_AGC_GAIN, mt76_rr(dev, MT_BBP(AGC, reg)));  in mt76x2_adjust_agc_gain()
29 	gain += offset;  in mt76x2_adjust_agc_gain()
30 	mt76_rmw_field(dev, MT_BBP(AGC, reg), MT_BBP_AGC_GAIN, gain);  in mt76x2_adjust_agc_gain()
35 	s8 *gain_adj = dev->cal.rx.high_gain;  in mt76x2_apply_gain_adj()
124 	for (i = 0; i < sizeof(r->all); i++) {  in mt76x2_get_min_rate_power()
125 		if (!r->all[i])  in mt76x2_get_min_rate_power()
129 			ret = min(ret, r->all[i]);  in mt76x2_get_min_rate_power()
131 			ret = r->all[i];  in mt76x2_get_min_rate_power()
139 	enum nl80211_chan_width width = dev->mphy.chandef.width;  in mt76x2_phy_set_txpower()
140 	struct ieee80211_channel *chan = dev->mphy.chandef.chan;  in mt76x2_phy_set_txpower()
144 	int base_power, gain;  in mt76x2_phy_set_txpower()  local
155 	mt76x02_limit_rate_power(&t, dev->txpower_conf);  in mt76x2_phy_set_txpower()
156 	dev->mphy.txpower_cur = mt76x02_get_max_rate_power(&t);  in mt76x2_phy_set_txpower()
159 	delta = base_power - txp.target_power;  in mt76x2_phy_set_txpower()
163 	gain = min(txp_0, txp_1);  in mt76x2_phy_set_txpower()
164 	if (gain < 0) {  in mt76x2_phy_set_txpower()
165 		base_power -= gain;  in mt76x2_phy_set_txpower()
166 		txp_0 -= gain;  in mt76x2_phy_set_txpower()
167 		txp_1 -= gain;  in mt76x2_phy_set_txpower()
168 	} else if (gain > 0x2f) {  in mt76x2_phy_set_txpower()
169 		base_power -= gain - 0x2f;  in mt76x2_phy_set_txpower()
174 	mt76x02_add_rate_power_offset(&t, -base_power);  in mt76x2_phy_set_txpower()
175 	dev->target_power = txp.target_power;  in mt76x2_phy_set_txpower()
176 	dev->target_power_delta[0] = txp_0 - txp.chain[0].target_power;  in mt76x2_phy_set_txpower()
177 	dev->target_power_delta[1] = txp_1 - txp.chain[0].target_power;  in mt76x2_phy_set_txpower()
178 	dev->rate_power = t;  in mt76x2_phy_set_txpower()
205 	struct ieee80211_channel *chan = dev->mphy.chandef.chan;  in mt76x2_phy_tssi_compensate()
209 	if (!dev->cal.tssi_cal_done)  in mt76x2_phy_tssi_compensate()
212 	if (!dev->cal.tssi_comp_pending) {  in mt76x2_phy_tssi_compensate()
216 		dev->cal.tssi_comp_pending = true;  in mt76x2_phy_tssi_compensate()
221 		dev->cal.tssi_comp_pending = false;  in mt76x2_phy_tssi_compensate()
224 		if (mt76x02_ext_pa_enabled(dev, chan->band))  in mt76x2_phy_tssi_compensate()
234 		if (t.pa_mode || dev->cal.dpd_cal_done || dev->ed_tx_blocked)  in mt76x2_phy_tssi_compensate()
238 		mt76x02_mcu_calibrate(dev, MCU_CAL_DPD, chan->hw_value);  in mt76x2_phy_tssi_compensate()
239 		dev->cal.dpd_cal_done = true;  in mt76x2_phy_tssi_compensate()
250 	gain_val[0] = dev->cal.agc_gain_cur[0] - dev->cal.agc_gain_adjust;  in mt76x2_phy_set_gain_val()
251 	gain_val[1] = dev->cal.agc_gain_cur[1] - dev->cal.agc_gain_adjust;  in mt76x2_phy_set_gain_val()
255 	    dev->mphy.chandef.width >= NL80211_CHAN_WIDTH_40)  in mt76x2_phy_set_gain_val()
259 	    dev->mphy.chandef.chan->band == NL80211_BAND_2GHZ &&  in mt76x2_phy_set_gain_val()
260 	    dev->mphy.chandef.width < NL80211_CHAN_WIDTH_40)  in mt76x2_phy_set_gain_val()
270 	if (dev->mphy.chandef.chan->flags & IEEE80211_CHAN_RADAR)  in mt76x2_phy_set_gain_val()
276 	u8 *gain = dev->cal.agc_gain_init;  in mt76x2_phy_update_channel_gain()  local
283 	dev->cal.avg_rssi_all = mt76_get_min_avg_rssi(&dev->mt76, false);  in mt76x2_phy_update_channel_gain()
284 	if (!dev->cal.avg_rssi_all)  in mt76x2_phy_update_channel_gain()
285 		dev->cal.avg_rssi_all = -75;  in mt76x2_phy_update_channel_gain()
287 	low_gain = (dev->cal.avg_rssi_all > mt76x02_get_rssi_gain_thresh(dev)) +  in mt76x2_phy_update_channel_gain()
288 		(dev->cal.avg_rssi_all > mt76x02_get_low_rssi_gain_thresh(dev));  in mt76x2_phy_update_channel_gain()
290 	gain_change = dev->cal.low_gain < 0 ||  in mt76x2_phy_update_channel_gain()
291 		      (dev->cal.low_gain & 2) ^ (low_gain & 2);  in mt76x2_phy_update_channel_gain()
292 	dev->cal.low_gain = low_gain;  in mt76x2_phy_update_channel_gain()
300 	if (dev->mphy.chandef.width == NL80211_CHAN_WIDTH_80) {  in mt76x2_phy_update_channel_gain()
318 	if (dev->mphy.chandef.chan->band == NL80211_BAND_2GHZ)  in mt76x2_phy_update_channel_gain()
322 	else if (dev->mphy.chandef.width == NL80211_CHAN_WIDTH_80)  in mt76x2_phy_update_channel_gain()
332 		dev->cal.agc_gain_adjust = 0;  in mt76x2_phy_update_channel_gain()
336 		dev->cal.agc_gain_adjust = low_gain_delta;  in mt76x2_phy_update_channel_gain()
342 	dev->cal.agc_gain_cur[0] = gain[0] - gain_delta;  in mt76x2_phy_update_channel_gain()
343 	dev->cal.agc_gain_cur[1] = gain[1] - gain_delta;  in mt76x2_phy_update_channel_gain()