wifi: mt76: mt76x02: simplify struct mt76x02_rate_power

- remove stbc, because mt76x0 doesn't support it and mt76x2 uses the same
  values as HT/VHT
- reduce vht array to 2 elements, because VHT MCS0-7 are the same as HT
Signed-off-by: Felix Fietkau <nbd@nbd.name>

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

@@ -179,31 +179,19 @@ void mt76x0_get_tx_power_per_rate(struct mt76x02_dev *dev,
 	/* ht-vht mcs 1ss 0, 1, 2, 3 */
 	addr = is_2ghz ? MT_EE_TX_POWER_BYRATE_BASE + 6 : 0x124;
 	val = mt76x02_eeprom_get(dev, addr);
-	t->ht[0] = t->ht[1] = t->vht[0] = t->vht[1] = s6_to_s8(val);
-	t->ht[2] = t->ht[3] = t->vht[2] = t->vht[3] = s6_to_s8(val >> 8);
+	t->ht[0] = t->ht[1] = s6_to_s8(val);
+	t->ht[2] = t->ht[3] = s6_to_s8(val >> 8);
 
 	/* ht-vht mcs 1ss 4, 5, 6 */
 	addr = is_2ghz ? MT_EE_TX_POWER_BYRATE_BASE + 8 : 0x126;
 	val = mt76x02_eeprom_get(dev, addr);
-	t->ht[4] = t->ht[5] = t->vht[4] = t->vht[5] = s6_to_s8(val);
-	t->ht[6] = t->ht[7] = t->vht[6] = t->vht[7] = s6_to_s8(val >> 8);
-
-	/* ht-vht mcs 1ss 0, 1, 2, 3 stbc */
-	addr = is_2ghz ? MT_EE_TX_POWER_BYRATE_BASE + 14 : 0xec;
-	val = mt76x02_eeprom_get(dev, addr);
-	t->stbc[0] = t->stbc[1] = s6_to_s8(val);
-	t->stbc[2] = t->stbc[3] = s6_to_s8(val >> 8);
-
-	/* ht-vht mcs 1ss 4, 5, 6 stbc */
-	addr = is_2ghz ? MT_EE_TX_POWER_BYRATE_BASE + 16 : 0xee;
-	val = mt76x02_eeprom_get(dev, addr);
-	t->stbc[4] = t->stbc[5] = s6_to_s8(val);
-	t->stbc[6] = t->stbc[7] = s6_to_s8(val >> 8);
+	t->ht[4] = t->ht[5] = s6_to_s8(val);
+	t->ht[6] = t->ht[7] = s6_to_s8(val >> 8);
 
 	/* vht mcs 8, 9 5GHz */
 	val = mt76x02_eeprom_get(dev, 0x12c);
-	t->vht[8] = s6_to_s8(val);
-	t->vht[9] = s6_to_s8(val >> 8);
+	t->vht[0] = s6_to_s8(val);
+	t->vht[1] = s6_to_s8(val >> 8);
 
 	delta = mt76x0_tssi_enabled(dev) ? 0 : mt76x0_get_delta(dev);
 	mt76x02_add_rate_power_offset(t, delta);

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

@@ -77,11 +77,10 @@ struct mt76x02_rate_power {
 		struct {
 			s8 cck[4];
 			s8 ofdm[8];
-			s8 stbc[10];
 			s8 ht[16];
-			s8 vht[10];
+			s8 vht[2];
 		};
-		s8 all[48];
+		s8 all[30];
 	};
 };
 

drivers/net/wireless/mediatek/mt76/mt76x02_debugfs.c

@@ -122,8 +122,6 @@ static int mt76x02_read_rate_txpower(struct seq_file *s, void *data)
 			    ARRAY_SIZE(dev->rate_power.cck));
 	mt76_seq_puts_array(s, "OFDM", dev->rate_power.ofdm,
 			    ARRAY_SIZE(dev->rate_power.ofdm));
-	mt76_seq_puts_array(s, "STBC", dev->rate_power.stbc,
-			    ARRAY_SIZE(dev->rate_power.stbc));
 	mt76_seq_puts_array(s, "HT", dev->rate_power.ht,
 			    ARRAY_SIZE(dev->rate_power.ht));
 	mt76_seq_puts_array(s, "VHT", dev->rate_power.vht,

drivers/net/wireless/mediatek/mt76/mt76x02_eeprom.h

@@ -62,8 +62,6 @@ enum mt76x02_eeprom_field {
 	MT_EE_TX_POWER_HT_MCS4 =		0x0a8,
 	MT_EE_TX_POWER_HT_MCS8 =		0x0aa,
 	MT_EE_TX_POWER_HT_MCS12 =		0x0ac,
-	MT_EE_TX_POWER_VHT_MCS0 =		0x0ba,
-	MT_EE_TX_POWER_VHT_MCS4 =		0x0bc,
 	MT_EE_TX_POWER_VHT_MCS8 =		0x0be,
 
 	MT_EE_2G_TARGET_POWER =			0x0d0,

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

@@ -107,17 +107,17 @@ void mt76x02_phy_set_txpower(struct mt76x02_dev *dev, int txp_0, int txp_1)
 		mt76x02_tx_power_mask(t->ht[4], t->ht[6], t->ht[8],
 				      t->ht[10]));
 	mt76_wr(dev, MT_TX_PWR_CFG_3,
-		mt76x02_tx_power_mask(t->ht[12], t->ht[14], t->stbc[0],
-				      t->stbc[2]));
+		mt76x02_tx_power_mask(t->ht[12], t->ht[14], t->ht[0],
+				      t->ht[2]));
 	mt76_wr(dev, MT_TX_PWR_CFG_4,
-		mt76x02_tx_power_mask(t->stbc[4], t->stbc[6], 0, 0));
+		mt76x02_tx_power_mask(t->ht[4], t->ht[6], 0, 0));
 	mt76_wr(dev, MT_TX_PWR_CFG_7,
-		mt76x02_tx_power_mask(t->ofdm[7], t->vht[8], t->ht[7],
-				      t->vht[9]));
+		mt76x02_tx_power_mask(t->ofdm[7], t->vht[0], t->ht[7],
+				      t->vht[1]));
 	mt76_wr(dev, MT_TX_PWR_CFG_8,
-		mt76x02_tx_power_mask(t->ht[14], 0, t->vht[8], t->vht[9]));
+		mt76x02_tx_power_mask(t->ht[14], 0, t->vht[0], t->vht[1]));
 	mt76_wr(dev, MT_TX_PWR_CFG_9,
-		mt76x02_tx_power_mask(t->ht[7], 0, t->stbc[8], t->stbc[9]));
+		mt76x02_tx_power_mask(t->ht[7], 0, t->vht[0], t->vht[1]));
 }
 EXPORT_SYMBOL_GPL(mt76x02_phy_set_txpower);
 

drivers/net/wireless/mediatek/mt76/mt76x02_txrx.c

@@ -62,7 +62,7 @@ s8 mt76x02_tx_get_max_txpwr_adj(struct mt76x02_dev *dev,
 		u8 mcs = ieee80211_rate_get_vht_mcs(rate);
 
 		if (mcs == 8 || mcs == 9) {
-			max_txpwr = dev->rate_power.vht[8];
+			max_txpwr = dev->rate_power.vht[0];
 		} else {
 			u8 nss, idx;
 

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

@@ -324,22 +324,10 @@ void mt76x2_get_rate_power(struct mt76x02_dev *dev, struct mt76x02_rate_power *t
 	t->ht[12] = t->ht[13] = mt76x02_rate_power_val(val);
 	t->ht[14] = t->ht[15] = mt76x02_rate_power_val(val >> 8);
 
-	val = mt76x02_eeprom_get(dev, MT_EE_TX_POWER_VHT_MCS0);
-	t->vht[0] = t->vht[1] = mt76x02_rate_power_val(val);
-	t->vht[2] = t->vht[3] = mt76x02_rate_power_val(val >> 8);
-
-	val = mt76x02_eeprom_get(dev, MT_EE_TX_POWER_VHT_MCS4);
-	t->vht[4] = t->vht[5] = mt76x02_rate_power_val(val);
-	t->vht[6] = t->vht[7] = mt76x02_rate_power_val(val >> 8);
-
 	val = mt76x02_eeprom_get(dev, MT_EE_TX_POWER_VHT_MCS8);
 	if (!is_5ghz)
 		val >>= 8;
-	t->vht[8] = t->vht[9] = mt76x02_rate_power_val(val >> 8);
-
-	memcpy(t->stbc, t->ht, sizeof(t->stbc[0]) * 8);
-	t->stbc[8] = t->vht[8];
-	t->stbc[9] = t->vht[9];
+	t->vht[0] = t->vht[1] = mt76x02_rate_power_val(val >> 8);
 }
 EXPORT_SYMBOL_GPL(mt76x2_get_rate_power);