mt76: add get_tx_txpwr_adj function pointer to mt76_driver_ops

Add get_tx_txpwr_adj function pointer to mt76_driver_ops data structure
as a preliminary patch to unify txwi configuration between mt76x0 and
mt76x2 drivers since tpc is currently supported just by mt76x2 driver
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

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

@@ -262,6 +262,8 @@ struct mt76_driver_ops {
 
 	void (*sta_ps)(struct mt76_dev *dev, struct ieee80211_sta *sta,
 		       bool ps);
+	s8 (*get_tx_txpwr_adj)(struct mt76_dev *dev, s8 txpwr,
+			       s8 max_txpwr_adj);
 };
 
 struct mt76_channel_state {

drivers/net/wireless/mediatek/mt76/mt76x2/mac.c

@@ -100,7 +100,7 @@ void mt76x2_mac_write_txwi(struct mt76x2_dev *dev, struct mt76x02_txwi *txwi,
 	}
 	spin_unlock_bh(&dev->mt76.lock);
 
-	txpwr_adj = mt76x2_tx_get_txpwr_adj(dev, dev->mt76.txpower_conf,
+	txpwr_adj = mt76x2_tx_get_txpwr_adj(&dev->mt76, dev->mt76.txpower_conf,
 					    max_txpwr_adj);
 	txwi->ctl2 = FIELD_PREP(MT_TX_PWR_ADJ, txpwr_adj);
 

drivers/net/wireless/mediatek/mt76/mt76x2/mt76x2.h

@@ -176,7 +176,7 @@ void mt76x2_sta_ps(struct mt76_dev *dev, struct ieee80211_sta *sta, bool ps);
 
 void mt76x2_update_channel(struct mt76_dev *mdev);
 
-s8 mt76x2_tx_get_txpwr_adj(struct mt76x2_dev *dev, s8 txpwr, s8 max_txpwr_adj);
+s8 mt76x2_tx_get_txpwr_adj(struct mt76_dev *mdev, s8 txpwr, s8 max_txpwr_adj);
 void mt76x2_tx_set_txpwr_auto(struct mt76x2_dev *dev, s8 txpwr);
 
 

drivers/net/wireless/mediatek/mt76/mt76x2/pci_init.c

@@ -362,6 +362,7 @@ struct mt76x2_dev *mt76x2_alloc_device(struct device *pdev)
 		.rx_skb = mt76x2_queue_rx_skb,
 		.rx_poll_complete = mt76x2_rx_poll_complete,
 		.sta_ps = mt76x2_sta_ps,
+		.get_tx_txpwr_adj = mt76x2_tx_get_txpwr_adj,
 	};
 	struct mt76x2_dev *dev;
 	struct mt76_dev *mdev;

drivers/net/wireless/mediatek/mt76/mt76x2/tx.c

@@ -47,8 +47,10 @@ void mt76x2_tx(struct ieee80211_hw *hw, struct ieee80211_tx_control *control,
 }
 EXPORT_SYMBOL_GPL(mt76x2_tx);
 
-s8 mt76x2_tx_get_txpwr_adj(struct mt76x2_dev *dev, s8 txpwr, s8 max_txpwr_adj)
+s8 mt76x2_tx_get_txpwr_adj(struct mt76_dev *mdev, s8 txpwr, s8 max_txpwr_adj)
 {
+	struct mt76x2_dev  *dev = container_of(mdev, struct mt76x2_dev, mt76);
+
 	txpwr = min_t(s8, txpwr, dev->mt76.txpower_conf);
 	txpwr -= (dev->target_power + dev->target_power_delta[0]);
 	txpwr = min_t(s8, txpwr, max_txpwr_adj);
@@ -66,7 +68,7 @@ void mt76x2_tx_set_txpwr_auto(struct mt76x2_dev *dev, s8 txpwr)
 {
 	s8 txpwr_adj;
 
-	txpwr_adj = mt76x2_tx_get_txpwr_adj(dev, txpwr,
+	txpwr_adj = mt76x2_tx_get_txpwr_adj(&dev->mt76, txpwr,
 					    dev->mt76.rate_power.ofdm[4]);
 	mt76_rmw_field(dev, MT_PROT_AUTO_TX_CFG,
 		       MT_PROT_AUTO_TX_CFG_PROT_PADJ, txpwr_adj);