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mt76: mt7615: read {tx,rx} mask from eeprom

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Parse configured {tx,rx} mask from eeprom data instead of just setting it
to four tx-rx streams

Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Lorenzo Bianconi
2019-11-20 12:27:21 +01:00
committed by Felix Fietkau
parent db78ee08d9
commit faf5e6fedd
4 changed files with 23 additions and 2 deletions
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mt7615/eeprom.c
+18
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@@ -93,6 +93,7 @@ static int mt7615_check_eeprom(struct mt76_dev *dev)
static void mt7615_eeprom_parse_hw_cap(struct mt7615_dev *dev)
{
u8 val, *eeprom = dev->mt76.eeprom.data;
u8 tx_mask, rx_mask, max_nss;
val = FIELD_GET(MT_EE_NIC_WIFI_CONF_BAND_SEL,
eeprom[MT_EE_WIFI_CONF]);
@@ -108,6 +109,23 @@ static void mt7615_eeprom_parse_hw_cap(struct mt7615_dev *dev)
dev->mt76.cap.has_5ghz = true;
break;
}
/* read tx-rx mask from eeprom */
val = mt76_rr(dev, MT_TOP_STRAP_STA);
max_nss = val & MT_TOP_3NSS ? 3 : 4;
rx_mask = FIELD_GET(MT_EE_NIC_CONF_RX_MASK,
eeprom[MT_EE_NIC_CONF_0]);
if (!rx_mask || rx_mask > max_nss)
rx_mask = max_nss;
tx_mask = FIELD_GET(MT_EE_NIC_CONF_TX_MASK,
eeprom[MT_EE_NIC_CONF_0]);
if (!tx_mask || tx_mask > max_nss)
tx_mask = max_nss;
dev->mt76.chainmask = tx_mask << 8 | rx_mask;
dev->mt76.antenna_mask = BIT(tx_mask) - 1;
}
int mt7615_eeprom_get_power_index(struct mt7615_dev *dev,