mt76: move mt76x02_get_txpower in mt76x02_util.c

Move mt76x02_get_txpower utility routine in mt76x02-lib module
in order to be reused by mt76x0 and mt76x2u drivers
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

drivers/net/wireless/mediatek/mt76/mt76x0/pci.c

@@ -86,6 +86,7 @@ static const struct ieee80211_ops mt76x0e_ops = {
 	.sta_rate_tbl_update = mt76x02_sta_rate_tbl_update,
 	.wake_tx_queue = mt76_wake_tx_queue,
 	.get_survey = mt76_get_survey,
+	.get_txpower = mt76x02_get_txpower,
 };
 
 static int mt76x0e_register_device(struct mt76x02_dev *dev)

drivers/net/wireless/mediatek/mt76/mt76x0/usb.c

@@ -156,6 +156,7 @@ static const struct ieee80211_ops mt76x0u_ops = {
 	.sta_rate_tbl_update = mt76x02_sta_rate_tbl_update,
 	.set_rts_threshold = mt76x0_set_rts_threshold,
 	.wake_tx_queue = mt76_wake_tx_queue,
+	.get_txpower = mt76x02_get_txpower,
 };
 
 static int mt76x0u_register_device(struct mt76x02_dev *dev)

drivers/net/wireless/mediatek/mt76/mt76x02.h

@@ -151,6 +151,8 @@ void mt76x02_sw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 		     const u8 *mac);
 void mt76x02_sw_scan_complete(struct ieee80211_hw *hw,
 			      struct ieee80211_vif *vif);
+int mt76x02_get_txpower(struct ieee80211_hw *hw,
+			struct ieee80211_vif *vif, int *dbm);
 
 extern const u16 mt76x02_beacon_offsets[16];
 void mt76x02_set_beacon_offsets(struct mt76x02_dev *dev);

drivers/net/wireless/mediatek/mt76/mt76x02_util.c

@@ -508,6 +508,24 @@ void mt76x02_sw_scan_complete(struct ieee80211_hw *hw,
 }
 EXPORT_SYMBOL_GPL(mt76x02_sw_scan_complete);
 
+int mt76x02_get_txpower(struct ieee80211_hw *hw,
+			struct ieee80211_vif *vif, int *dbm)
+{
+	struct mt76x02_dev *dev = hw->priv;
+	u8 nstreams = dev->mt76.chainmask & 0xf;
+
+	*dbm = dev->mt76.txpower_cur / 2;
+
+	/* convert from per-chain power to combined
+	 * output on 2x2 devices
+	 */
+	if (nstreams > 1)
+		*dbm += 3;
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(mt76x02_get_txpower);
+
 const u16 mt76x02_beacon_offsets[16] = {
 	/* 1024 byte per beacon */
 	0xc000,

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

@@ -181,19 +181,6 @@ mt76x2_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 {
 }
 
-static int
-mt76x2_get_txpower(struct ieee80211_hw *hw, struct ieee80211_vif *vif, int *dbm)
-{
-	struct mt76x02_dev *dev = hw->priv;
-
-	*dbm = dev->mt76.txpower_cur / 2;
-
-	/* convert from per-chain power to combined output on 2x2 devices */
-	*dbm += 3;
-
-	return 0;
-}
-
 static void mt76x2_set_coverage_class(struct ieee80211_hw *hw,
 				      s16 coverage_class)
 {
@@ -277,7 +264,7 @@ const struct ieee80211_ops mt76x2_ops = {
 	.sw_scan_complete = mt76x02_sw_scan_complete,
 	.flush = mt76x2_flush,
 	.ampdu_action = mt76x02_ampdu_action,
-	.get_txpower = mt76x2_get_txpower,
+	.get_txpower = mt76x02_get_txpower,
 	.wake_tx_queue = mt76_wake_tx_queue,
 	.sta_rate_tbl_update = mt76x02_sta_rate_tbl_update,
 	.release_buffered_frames = mt76_release_buffered_frames,

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

@@ -161,4 +161,5 @@ const struct ieee80211_ops mt76x2u_ops = {
 	.sw_scan_start = mt76x02_sw_scan,
 	.sw_scan_complete = mt76x02_sw_scan_complete,
 	.sta_rate_tbl_update = mt76x02_sta_rate_tbl_update,
+	.get_txpower = mt76x02_get_txpower,
 };