1 files changed, 143 insertions, 45 deletions

diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c
index edd74d0de157..5b133bcdab17 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c
@@ -10,6 +10,7 @@ static int mt7915_eeprom_load_precal(struct mt7915_dev *dev)
 	struct mt76_dev *mdev = &dev->mt76;
 	u8 *eeprom = mdev->eeprom.data;
 	u32 val = eeprom[MT_EE_DO_PRE_CAL];
+	u32 offs;
 
 	if (!dev->flash_mode)
 		return 0;
@@ -22,7 +23,9 @@ static int mt7915_eeprom_load_precal(struct mt7915_dev *dev)
 	if (!dev->cal)
 		return -ENOMEM;
 
-	return mt76_get_of_eeprom(mdev, dev->cal, MT_EE_PRECAL, val);
+	offs = is_mt7915(&dev->mt76) ? MT_EE_PRECAL : MT_EE_PRECAL_V2;
+
+	return mt76_get_of_eeprom(mdev, dev->cal, offs, val);
 }
 
 static int mt7915_check_eeprom(struct mt7915_dev *dev)
@@ -32,24 +35,49 @@ static int mt7915_check_eeprom(struct mt7915_dev *dev)
 
 	switch (val) {
 	case 0x7915:
+	case 0x7916:
+	case 0x7986:
 		return 0;
 	default:
 		return -EINVAL;
 	}
 }
 
+static char *mt7915_eeprom_name(struct mt7915_dev *dev)
+{
+	switch (mt76_chip(&dev->mt76)) {
+	case 0x7915:
+		return dev->dbdc_support ?
+		       MT7915_EEPROM_DEFAULT_DBDC : MT7915_EEPROM_DEFAULT;
+	case 0x7986:
+		switch (mt7915_check_adie(dev, true)) {
+		case MT7976_ONE_ADIE_DBDC:
+			return MT7986_EEPROM_MT7976_DEFAULT_DBDC;
+		case MT7975_ONE_ADIE:
+			return MT7986_EEPROM_MT7975_DEFAULT;
+		case MT7976_ONE_ADIE:
+			return MT7986_EEPROM_MT7976_DEFAULT;
+		case MT7975_DUAL_ADIE:
+			return MT7986_EEPROM_MT7975_DUAL_DEFAULT;
+		case MT7976_DUAL_ADIE:
+			return MT7986_EEPROM_MT7976_DUAL_DEFAULT;
+		default:
+			break;
+		}
+		return NULL;
+	default:
+		return MT7916_EEPROM_DEFAULT;
+	}
+}
+
 static int
 mt7915_eeprom_load_default(struct mt7915_dev *dev)
 {
-	char *default_bin = MT7915_EEPROM_DEFAULT;
 	u8 *eeprom = dev->mt76.eeprom.data;
 	const struct firmware *fw = NULL;
 	int ret;
 
-	if (dev->dbdc_support)
-		default_bin = MT7915_EEPROM_DEFAULT_DBDC;
-
-	ret = request_firmware(&fw, default_bin, dev->mt76.dev);
+	ret = request_firmware(&fw, mt7915_eeprom_name(dev), dev->mt76.dev);
 	if (ret)
 		return ret;
 
@@ -59,7 +87,7 @@ mt7915_eeprom_load_default(struct mt7915_dev *dev)
 		goto out;
 	}
 
-	memcpy(eeprom, fw->data, MT7915_EEPROM_SIZE);
+	memcpy(eeprom, fw->data, mt7915_eeprom_size(dev));
 	dev->flash_mode = true;
 
 out:
@@ -71,8 +99,9 @@ out:
 static int mt7915_eeprom_load(struct mt7915_dev *dev)
 {
 	int ret;
+	u16 eeprom_size = mt7915_eeprom_size(dev);
 
-	ret = mt76_eeprom_init(&dev->mt76, MT7915_EEPROM_SIZE);
+	ret = mt76_eeprom_init(&dev->mt76, eeprom_size);
 	if (ret < 0)
 		return ret;
 
@@ -88,7 +117,7 @@ static int mt7915_eeprom_load(struct mt7915_dev *dev)
 			return -EINVAL;
 
 		/* read eeprom data from efuse */
-		block_num = DIV_ROUND_UP(MT7915_EEPROM_SIZE,
+		block_num = DIV_ROUND_UP(eeprom_size,
 					 MT7915_EEPROM_BLOCK_SIZE);
 		for (i = 0; i < block_num; i++)
 			mt7915_mcu_get_eeprom(dev,
@@ -98,17 +127,32 @@ static int mt7915_eeprom_load(struct mt7915_dev *dev)
 	return mt7915_check_eeprom(dev);
 }
 
-void mt7915_eeprom_parse_band_config(struct mt7915_phy *phy)
+static void mt7915_eeprom_parse_band_config(struct mt7915_phy *phy)
 {
 	struct mt7915_dev *dev = phy->dev;
-	bool ext_phy = phy != &dev->phy;
 	u8 *eeprom = dev->mt76.eeprom.data;
 	u32 val;
 
-	val = eeprom[MT_EE_WIFI_CONF + ext_phy];
+	val = eeprom[MT_EE_WIFI_CONF + phy->band_idx];
 	val = FIELD_GET(MT_EE_WIFI_CONF0_BAND_SEL, val);
-	if (val == MT_EE_BAND_SEL_DEFAULT && dev->dbdc_support)
-		val = ext_phy ? MT_EE_BAND_SEL_5GHZ : MT_EE_BAND_SEL_2GHZ;
+
+	if (!is_mt7915(&dev->mt76)) {
+		switch (val) {
+		case MT_EE_V2_BAND_SEL_5GHZ:
+			phy->mt76->cap.has_5ghz = true;
+			return;
+		case MT_EE_V2_BAND_SEL_6GHZ:
+			phy->mt76->cap.has_6ghz = true;
+			return;
+		case MT_EE_V2_BAND_SEL_5GHZ_6GHZ:
+			phy->mt76->cap.has_5ghz = true;
+			phy->mt76->cap.has_6ghz = true;
+			return;
+		default:
+			phy->mt76->cap.has_2ghz = true;
+			return;
+		}
+	}
 
 	switch (val) {
 	case MT_EE_BAND_SEL_5GHZ:
@@ -124,32 +168,65 @@ void mt7915_eeprom_parse_band_config(struct mt7915_phy *phy)
 	}
 }
 
-static void mt7915_eeprom_parse_hw_cap(struct mt7915_dev *dev)
+void mt7915_eeprom_parse_hw_cap(struct mt7915_dev *dev,
+				struct mt7915_phy *phy)
 {
-	u8 nss, nss_band, *eeprom = dev->mt76.eeprom.data;
+	u8 nss, nss_band, nss_band_max, *eeprom = dev->mt76.eeprom.data;
+	struct mt76_phy *mphy = phy->mt76;
+	bool ext_phy = phy != &dev->phy;
+
+	mt7915_eeprom_parse_band_config(phy);
 
-	mt7915_eeprom_parse_band_config(&dev->phy);
+	/* read tx/rx mask from eeprom */
+	if (is_mt7915(&dev->mt76)) {
+		nss = FIELD_GET(MT_EE_WIFI_CONF0_TX_PATH,
+				eeprom[MT_EE_WIFI_CONF]);
+	} else {
+		nss = FIELD_GET(MT_EE_WIFI_CONF0_TX_PATH,
+				eeprom[MT_EE_WIFI_CONF + phy->band_idx]);
+	}
 
-	/* read tx mask from eeprom */
-	nss = FIELD_GET(MT_EE_WIFI_CONF0_TX_PATH, eeprom[MT_EE_WIFI_CONF]);
 	if (!nss || nss > 4)
 		nss = 4;
 
+	/* read tx/rx stream */
 	nss_band = nss;
 
 	if (dev->dbdc_support) {
-		nss_band = FIELD_GET(MT_EE_WIFI_CONF3_TX_PATH_B0,
-				     eeprom[MT_EE_WIFI_CONF + 3]);
-		if (!nss_band || nss_band > 2)
-			nss_band = 2;
+		if (is_mt7915(&dev->mt76)) {
+			nss_band = FIELD_GET(MT_EE_WIFI_CONF3_TX_PATH_B0,
+					     eeprom[MT_EE_WIFI_CONF + 3]);
+			if (phy->band_idx)
+				nss_band = FIELD_GET(MT_EE_WIFI_CONF3_TX_PATH_B1,
+						     eeprom[MT_EE_WIFI_CONF + 3]);
+		} else {
+			nss_band = FIELD_GET(MT_EE_WIFI_CONF_STREAM_NUM,
+					     eeprom[MT_EE_WIFI_CONF + 2 + phy->band_idx]);
+		}
+
+		nss_band_max = is_mt7986(&dev->mt76) ?
+			       MT_EE_NSS_MAX_DBDC_MA7986 : MT_EE_NSS_MAX_DBDC_MA7915;
+	} else {
+		nss_band_max = is_mt7986(&dev->mt76) ?
+			       MT_EE_NSS_MAX_MA7986 : MT_EE_NSS_MAX_MA7915;
+	}
 
-		if (nss_band >= nss)
-			nss = 4;
+	if (!nss_band || nss_band > nss_band_max)
+		nss_band = nss_band_max;
+
+	if (nss_band > nss) {
+		dev_warn(dev->mt76.dev,
+			 "nss mismatch, nss(%d) nss_band(%d) band(%d) ext_phy(%d)\n",
+			 nss, nss_band, phy->band_idx, ext_phy);
+		nss = nss_band;
 	}
 
-	dev->chainmask = BIT(nss) - 1;
-	dev->mphy.antenna_mask = BIT(nss_band) - 1;
-	dev->mphy.chainmask = dev->mphy.antenna_mask;
+	mphy->chainmask = BIT(nss) - 1;
+	if (ext_phy)
+		mphy->chainmask <<= dev->chainshift;
+	mphy->antenna_mask = BIT(nss_band) - 1;
+	dev->chainmask |= mphy->chainmask;
+	dev->chainshift = hweight8(dev->mphy.chainmask);
 }
 
 int mt7915_eeprom_init(struct mt7915_dev *dev)
@@ -171,7 +248,7 @@ int mt7915_eeprom_init(struct mt7915_dev *dev)
 	if (ret)
 		return ret;
 
-	mt7915_eeprom_parse_hw_cap(dev);
+	mt7915_eeprom_parse_hw_cap(dev, &dev->phy);
 	memcpy(dev->mphy.macaddr, dev->mt76.eeprom.data + MT_EE_MAC_ADDR,
 	       ETH_ALEN);
 
@@ -186,27 +263,43 @@ int mt7915_eeprom_get_target_power(struct mt7915_dev *dev,
 {
 	u8 *eeprom = dev->mt76.eeprom.data;
 	int index, target_power;
-	bool tssi_on;
+	bool tssi_on, is_7976;
 
 	if (chain_idx > 3)
 		return -EINVAL;
 
 	tssi_on = mt7915_tssi_enabled(dev, chan->band);
+	is_7976 = mt7915_check_adie(dev, false) || is_mt7916(&dev->mt76);
 
 	if (chan->band == NL80211_BAND_2GHZ) {
-		index = MT_EE_TX0_POWER_2G + chain_idx * 3;
-		target_power = eeprom[index];
-
-		if (!tssi_on)
-			target_power += eeprom[index + 1];
+		if (is_7976) {
+			index = MT_EE_TX0_POWER_2G_V2 + chain_idx;
+			target_power = eeprom[index];
+		} else {
+			index = MT_EE_TX0_POWER_2G + chain_idx * 3;
+			target_power = eeprom[index];
+
+			if (!tssi_on)
+				target_power += eeprom[index + 1];
+		}
+	} else if (chan->band == NL80211_BAND_5GHZ) {
+		int group = mt7915_get_channel_group_5g(chan->hw_value, is_7976);
+
+		if (is_7976) {
+			index = MT_EE_TX0_POWER_5G_V2 + chain_idx * 5;
+			target_power = eeprom[index + group];
+		} else {
+			index = MT_EE_TX0_POWER_5G + chain_idx * 12;
+			target_power = eeprom[index + group];
+
+			if (!tssi_on)
+				target_power += eeprom[index + 8];
+		}
 	} else {
-		int group = mt7915_get_channel_group(chan->hw_value);
-
-		index = MT_EE_TX0_POWER_5G + chain_idx * 12;
-		target_power = eeprom[index + group];
+		int group = mt7915_get_channel_group_6g(chan->hw_value);
 
-		if (!tssi_on)
-			target_power += eeprom[index + 8];
+		index = MT_EE_TX0_POWER_6G_V2 + chain_idx * 8;
+		target_power = is_7976 ? eeprom[index + group] : 0;
 	}
 
 	return target_power;
@@ -215,15 +308,20 @@ int mt7915_eeprom_get_target_power(struct mt7915_dev *dev,
 s8 mt7915_eeprom_get_power_delta(struct mt7915_dev *dev, int band)
 {
 	u8 *eeprom = dev->mt76.eeprom.data;
-	u32 val;
+	u32 val, offs;
 	s8 delta;
+	bool is_7976 = mt7915_check_adie(dev, false) || is_mt7916(&dev->mt76);
 
 	if (band == NL80211_BAND_2GHZ)
-		val = eeprom[MT_EE_RATE_DELTA_2G];
+		offs = is_7976 ? MT_EE_RATE_DELTA_2G_V2 : MT_EE_RATE_DELTA_2G;
+	else if (band == NL80211_BAND_5GHZ)
+		offs = is_7976 ? MT_EE_RATE_DELTA_5G_V2 : MT_EE_RATE_DELTA_5G;
 	else
-		val = eeprom[MT_EE_RATE_DELTA_5G];
+		offs = is_7976 ? MT_EE_RATE_DELTA_6G_V2 : 0;
+
+	val = eeprom[offs];
 
-	if (!(val & MT_EE_RATE_DELTA_EN))
+	if (!offs || !(val & MT_EE_RATE_DELTA_EN))
 		return 0;
 
 	delta = FIELD_GET(MT_EE_RATE_DELTA_MASK, val);