mt76: move rssi_gain_thresh routines in mt76x02-lib module

Move mt76x2_get_rssi_gain_thresh and mt76x2_get_low_rssi_gain_thresh
routines in mt76x02-lib module in order to be reused by mt76x0 driver
for dynamic vga calibration

Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

drivers/net/wireless/mediatek/mt76/mt76x02_phy.h

@@ -19,6 +19,32 @@
 
 #include "mt76x02_regs.h"
 
+static inline int
+mt76x02_get_rssi_gain_thresh(struct mt76x02_dev *dev)
+{
+	switch (dev->mt76.chandef.width) {
+	case NL80211_CHAN_WIDTH_80:
+		return -62;
+	case NL80211_CHAN_WIDTH_40:
+		return -65;
+	default:
+		return -68;
+	}
+}
+
+static inline int
+mt76x02_get_low_rssi_gain_thresh(struct mt76x02_dev *dev)
+{
+	switch (dev->mt76.chandef.width) {
+	case NL80211_CHAN_WIDTH_80:
+		return -76;
+	case NL80211_CHAN_WIDTH_40:
+		return -79;
+	default:
+		return -82;
+	}
+}
+
 void mt76x02_add_rate_power_offset(struct mt76_rate_power *r, int offset);
 void mt76x02_phy_set_txpower(struct mt76x02_dev *dev, int txp_0, int txp_2);
 void mt76x02_limit_rate_power(struct mt76_rate_power *r, int limit);

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

@@ -131,32 +131,6 @@ mt76x2_get_agc_gain(struct mt76x02_dev *dev, u8 *dest)
 	dest[1] = mt76_get_field(dev, MT_BBP(AGC, 9), MT_BBP_AGC_GAIN);
 }
 
-static int
-mt76x2_get_rssi_gain_thresh(struct mt76x02_dev *dev)
-{
-	switch (dev->mt76.chandef.width) {
-	case NL80211_CHAN_WIDTH_80:
-		return -62;
-	case NL80211_CHAN_WIDTH_40:
-		return -65;
-	default:
-		return -68;
-	}
-}
-
-static int
-mt76x2_get_low_rssi_gain_thresh(struct mt76x02_dev *dev)
-{
-	switch (dev->mt76.chandef.width) {
-	case NL80211_CHAN_WIDTH_80:
-		return -76;
-	case NL80211_CHAN_WIDTH_40:
-		return -79;
-	default:
-		return -82;
-	}
-}
-
 static void
 mt76x2_phy_set_gain_val(struct mt76x02_dev *dev)
 {
@@ -212,8 +186,8 @@ mt76x2_phy_update_channel_gain(struct mt76x02_dev *dev)
 
 	dev->cal.avg_rssi_all = mt76x02_phy_get_min_avg_rssi(dev);
 
-	low_gain = (dev->cal.avg_rssi_all > mt76x2_get_rssi_gain_thresh(dev)) +
-		   (dev->cal.avg_rssi_all > mt76x2_get_low_rssi_gain_thresh(dev));
+	low_gain = (dev->cal.avg_rssi_all > mt76x02_get_rssi_gain_thresh(dev)) +
+		   (dev->cal.avg_rssi_all > mt76x02_get_low_rssi_gain_thresh(dev));
 
 	gain_change = (dev->cal.low_gain & 2) ^ (low_gain & 2);
 	dev->cal.low_gain = low_gain;