mt76: mt7615: fix TSF configuration

The index of TSF counters should follow HWBSSID.

Fixes: d8d59f66d1 ("mt76: mt7615: support 16 interfaces")
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

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

@@ -1005,6 +1005,7 @@ void mt7615_mac_set_rates(struct mt7615_phy *phy, struct mt7615_sta *sta,
 	struct mt7615_dev *dev = phy->dev;
 	struct mt7615_rate_desc rd;
 	u32 w5, w27, addr;
+	u16 idx = sta->vif->mt76.omac_idx;
 
 	if (!mt76_is_mmio(&dev->mt76)) {
 		mt7615_mac_queue_rate_update(phy, sta, probe_rate, rates);
@@ -1056,7 +1057,10 @@ void mt7615_mac_set_rates(struct mt7615_phy *phy, struct mt7615_sta *sta,
 
 	mt76_wr(dev, addr + 27 * 4, w27);
 
-	mt76_set(dev, MT_LPON_T0CR, MT_LPON_T0CR_MODE); /* TSF read */
+	idx = idx > HW_BSSID_MAX ? HW_BSSID_0 : idx;
+	addr = idx > 1 ? MT_LPON_TCR2(idx): MT_LPON_TCR0(idx);
+
+	mt76_set(dev, addr, MT_LPON_TCR_MODE); /* TSF read */
 	sta->rate_set_tsf = mt76_rr(dev, MT_LPON_UTTR0) & ~BIT(0);
 	sta->rate_set_tsf |= rd.rateset;
 

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

@@ -818,15 +818,21 @@ mt7615_get_stats(struct ieee80211_hw *hw,
 static u64
 mt7615_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
 {
+	struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
 	struct mt7615_dev *dev = mt7615_hw_dev(hw);
 	union {
 		u64 t64;
 		u32 t32[2];
 	} tsf;
+	u16 idx = mvif->mt76.omac_idx;
+	u32 reg;
+
+	idx = idx > HW_BSSID_MAX ? HW_BSSID_0 : idx;
+	reg = idx > 1 ? MT_LPON_TCR2(idx): MT_LPON_TCR0(idx);
 
 	mt7615_mutex_acquire(dev);
 
-	mt76_set(dev, MT_LPON_T0CR, MT_LPON_T0CR_MODE); /* TSF read */
+	mt76_set(dev, reg, MT_LPON_TCR_MODE); /* TSF read */
 	tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0);
 	tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1);
 
@@ -839,18 +845,24 @@ static void
 mt7615_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 	       u64 timestamp)
 {
+	struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
 	struct mt7615_dev *dev = mt7615_hw_dev(hw);
 	union {
 		u64 t64;
 		u32 t32[2];
 	} tsf = { .t64 = timestamp, };
+	u16 idx = mvif->mt76.omac_idx;
+	u32 reg;
+
+	idx = idx > HW_BSSID_MAX ? HW_BSSID_0 : idx;
+	reg = idx > 1 ? MT_LPON_TCR2(idx): MT_LPON_TCR0(idx);
 
 	mt7615_mutex_acquire(dev);
 
 	mt76_wr(dev, MT_LPON_UTTR0, tsf.t32[0]);
 	mt76_wr(dev, MT_LPON_UTTR1, tsf.t32[1]);
 	/* TSF software overwrite */
-	mt76_set(dev, MT_LPON_T0CR, MT_LPON_T0CR_WRITE);
+	mt76_set(dev, reg, MT_LPON_TCR_WRITE);
 
 	mt7615_mutex_release(dev);
 }

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

@@ -449,9 +449,10 @@ enum mt7615_reg_base {
 
 #define MT_LPON(_n)			((dev)->reg_map[MT_LPON_BASE] + (_n))
 
-#define MT_LPON_T0CR			MT_LPON(0x010)
-#define MT_LPON_T0CR_MODE		GENMASK(1, 0)
-#define MT_LPON_T0CR_WRITE		BIT(0)
+#define MT_LPON_TCR0(_n)		MT_LPON(0x010 + ((_n) * 4))
+#define MT_LPON_TCR2(_n)		MT_LPON(0x0f8 + ((_n) - 2) * 4)
+#define MT_LPON_TCR_MODE		GENMASK(1, 0)
+#define MT_LPON_TCR_WRITE		BIT(0)
 
 #define MT_LPON_UTTR0			MT_LPON(0x018)
 #define MT_LPON_UTTR1			MT_LPON(0x01c)

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

@@ -67,6 +67,7 @@ static int mt7663_usb_sdio_set_rates(struct mt7615_dev *dev,
 	struct mt7615_rate_desc *rate = &wrd->rate;
 	struct mt7615_sta *sta = wrd->sta;
 	u32 w5, w27, addr, val;
+	u16 idx = sta->vif->mt76.omac_idx;
 
 	lockdep_assert_held(&dev->mt76.mutex);
 
@@ -118,7 +119,10 @@ static int mt7663_usb_sdio_set_rates(struct mt7615_dev *dev,
 
 	sta->rate_probe = sta->rateset[rate->rateset].probe_rate.idx != -1;
 
-	mt76_set(dev, MT_LPON_T0CR, MT_LPON_T0CR_MODE); /* TSF read */
+	idx = idx > HW_BSSID_MAX ? HW_BSSID_0 : idx;
+	addr = idx > 1 ? MT_LPON_TCR2(idx): MT_LPON_TCR0(idx);
+
+	mt76_set(dev, addr, MT_LPON_TCR_MODE); /* TSF read */
 	val = mt76_rr(dev, MT_LPON_UTTR0);
 	sta->rate_set_tsf = (val & ~BIT(0)) | rate->rateset;