mt76: mt7615: make scs configurable per phy

Make scs configurable per phy since most of the chipsets do not
support dbdc
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c

@@ -20,11 +20,15 @@ static int
 mt7615_scs_set(void *data, u64 val)
 {
 	struct mt7615_dev *dev = data;
+	struct mt7615_phy *ext_phy;
 
 	if (!mt7615_wait_for_mcu_init(dev))
 		return 0;
 
-	mt7615_mac_set_scs(dev, val);
+	mt7615_mac_set_scs(&dev->phy, val);
+	ext_phy = mt7615_ext_phy(dev);
+	if (ext_phy)
+		mt7615_mac_set_scs(ext_phy, val);
 
 	return 0;
 }
@@ -34,7 +38,7 @@ mt7615_scs_get(void *data, u64 *val)
 {
 	struct mt7615_dev *dev = data;
 
-	*val = dev->scs_en;
+	*val = dev->phy.scs_en;
 
 	return 0;
 }

drivers/net/wireless/mediatek/mt76/mt7615/init.c

@@ -90,7 +90,7 @@ static void mt7615_mac_init(struct mt7615_dev *dev)
 		 MT_TMAC_CTCR0_INS_DDLMT_EN);
 
 	mt7615_mcu_set_rts_thresh(&dev->phy, 0x92b);
-	mt7615_mac_set_scs(dev, true);
+	mt7615_mac_set_scs(&dev->phy, true);
 
 	mt76_rmw(dev, MT_AGG_SCR, MT_AGG_SCR_NLNAV_MID_PTEC_DIS,
 		 MT_AGG_SCR_NLNAV_MID_PTEC_DIS);
@@ -411,6 +411,8 @@ int mt7615_register_ext_phy(struct mt7615_dev *dev)
 	mphy->antenna_mask = BIT(hweight8(phy->chainmask)) - 1;
 	mt7615_init_wiphy(mphy->hw);
 
+	mt7615_mac_set_scs(phy, true);
+
 	/*
 	 * Make the secondary PHY MAC address local without overlapping with
 	 * the usual MAC address allocation scheme on multiple virtual interfaces

drivers/net/wireless/mediatek/mt76/mt7615/mac.c

@@ -1517,40 +1517,33 @@ mt7615_mac_set_default_sensitivity(struct mt7615_phy *phy)
 	phy->last_cca_adj = jiffies;
 }
 
-void mt7615_mac_set_scs(struct mt7615_dev *dev, bool enable)
+void mt7615_mac_set_scs(struct mt7615_phy *phy, bool enable)
 {
-	struct mt7615_phy *ext_phy;
+	struct mt7615_dev *dev = phy->dev;
+	bool ext_phy = phy != &dev->phy;
 
 	mutex_lock(&dev->mt76.mutex);
 
-	if (dev->scs_en == enable)
+	if (phy->scs_en == enable)
 		goto out;
 
 	if (is_mt7663(&dev->mt76))
 		goto out;
 
 	if (enable) {
-		mt76_set(dev, MT_WF_PHY_MIN_PRI_PWR(0),
-			 MT_WF_PHY_PD_BLK(0));
-		mt76_set(dev, MT_WF_PHY_MIN_PRI_PWR(1),
-			 MT_WF_PHY_PD_BLK(1));
+		mt76_set(dev, MT_WF_PHY_MIN_PRI_PWR(ext_phy),
+			 MT_WF_PHY_PD_BLK(ext_phy));
 		if (is_mt7622(&dev->mt76)) {
 			mt76_set(dev, MT_MIB_M0_MISC_CR(0), 0x7 << 8);
 			mt76_set(dev, MT_MIB_M0_MISC_CR(0), 0x7);
 		}
 	} else {
-		mt76_clear(dev, MT_WF_PHY_MIN_PRI_PWR(0),
-			   MT_WF_PHY_PD_BLK(0));
-		mt76_clear(dev, MT_WF_PHY_MIN_PRI_PWR(1),
-			   MT_WF_PHY_PD_BLK(1));
+		mt76_clear(dev, MT_WF_PHY_MIN_PRI_PWR(ext_phy),
+			   MT_WF_PHY_PD_BLK(ext_phy));
 	}
 
-	mt7615_mac_set_default_sensitivity(&dev->phy);
-	ext_phy = mt7615_ext_phy(dev);
-	if (ext_phy)
-		mt7615_mac_set_default_sensitivity(ext_phy);
-
-	dev->scs_en = enable;
+	mt7615_mac_set_default_sensitivity(phy);
+	phy->scs_en = enable;
 
 out:
 	mutex_unlock(&dev->mt76.mutex);
@@ -1663,7 +1656,7 @@ mt7615_mac_scs_check(struct mt7615_phy *phy)
 	u32 mdrdy_cck, mdrdy_ofdm, pd_cck, pd_ofdm;
 	bool ext_phy = phy != &dev->phy;
 
-	if (!dev->scs_en)
+	if (!phy->scs_en)
 		return;
 
 	val = mt76_rr(dev, MT_WF_PHY_R0_PHYCTRL_STS0(ext_phy));

drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h

@@ -130,6 +130,8 @@ struct mt7615_phy {
 
 	u16 noise;
 
+	bool scs_en;
+
 	unsigned long last_cca_adj;
 	int false_cca_ofdm, false_cca_cck;
 	s8 ofdm_sensitivity;
@@ -211,7 +213,6 @@ struct mt7615_dev {
 	u32 hw_pattern;
 
 	u8 mac_work_count;
-	bool scs_en;
 	bool fw_debug;
 
 	spinlock_t token_lock;
@@ -369,7 +370,7 @@ void mt7615_update_channel(struct mt76_dev *mdev);
 bool mt7615_mac_wtbl_update(struct mt7615_dev *dev, int idx, u32 mask);
 void mt7615_mac_reset_counters(struct mt7615_dev *dev);
 void mt7615_mac_cca_stats_reset(struct mt7615_phy *phy);
-void mt7615_mac_set_scs(struct mt7615_dev *dev, bool enable);
+void mt7615_mac_set_scs(struct mt7615_phy *phy, bool enable);
 void mt7615_mac_enable_nf(struct mt7615_dev *dev, bool ext_phy);
 void mt7615_mac_sta_poll(struct mt7615_dev *dev);
 int mt7615_mac_write_txwi(struct mt7615_dev *dev, __le32 *txwi,