diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c index 928e0b07a9bf..c0f3402d30bb 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c @@ -147,7 +147,7 @@ static int mt7915_eeprom_load(struct mt7915_dev *dev) /* read eeprom data from efuse */ block_num = DIV_ROUND_UP(eeprom_size, eeprom_blk_size); for (i = 0; i < block_num; i++) { - ret = mt7915_mcu_get_eeprom(dev, i * eeprom_blk_size); + ret = mt7915_mcu_get_eeprom(dev, i * eeprom_blk_size, NULL); if (ret < 0) return ret; } @@ -361,6 +361,37 @@ s8 mt7915_eeprom_get_power_delta(struct mt7915_dev *dev, int band) return val & MT_EE_RATE_DELTA_SIGN ? delta : -delta; } +bool +mt7915_eeprom_has_background_radar(struct mt7915_dev *dev) +{ + u8 val, buf[MT7915_EEPROM_BLOCK_SIZE]; + u8 band_sel, tx_path, rx_path; + int offs = MT_EE_WIFI_CONF + 1; + + switch (mt76_chip(&dev->mt76)) { + case 0x7915: + return true; + case 0x7906: + /* read efuse to check background radar capability */ + if (mt7915_mcu_get_eeprom(dev, offs, buf)) + break; + + val = buf[offs % MT7915_EEPROM_BLOCK_SIZE]; + band_sel = u8_get_bits(val, MT_EE_WIFI_CONF0_BAND_SEL); + tx_path = u8_get_bits(val, MT_EE_WIFI_CONF0_TX_PATH); + rx_path = u8_get_bits(val, MT_EE_WIFI_CONF0_RX_PATH); + + return (band_sel == MT_EE_V2_BAND_SEL_5GHZ && + tx_path == rx_path && rx_path == 2); + case 0x7981: + case 0x7986: + default: + break; + } + + return false; +} + const u8 mt7915_sku_group_len[] = { [SKU_CCK] = 4, [SKU_OFDM] = 8, |