diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c | 42 |
1 files changed, 26 insertions, 16 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c index 7a2be3f61398..660398ac53c2 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c @@ -22,7 +22,10 @@ static int mt7915_eeprom_load(struct mt7915_dev *dev) if (ret < 0) return ret; - memset(dev->mt76.eeprom.data, -1, MT7915_EEPROM_SIZE); + if (ret) + dev->flash_mode = true; + else + memset(dev->mt76.eeprom.data, -1, MT7915_EEPROM_SIZE); return 0; } @@ -50,12 +53,15 @@ void mt7915_eeprom_parse_band_config(struct mt7915_phy *phy) u32 val; val = mt7915_eeprom_read(dev, MT_EE_WIFI_CONF + ext_phy); - val = FIELD_GET(MT_EE_WIFI_CONF_BAND_SEL, val); + val = FIELD_GET(MT_EE_WIFI_CONF0_BAND_SEL, val); + if (val == MT_EE_BAND_SEL_DEFAULT && dev->dbdc_support) + val = ext_phy ? MT_EE_BAND_SEL_5GHZ : MT_EE_BAND_SEL_2GHZ; + switch (val) { - case MT_EE_5GHZ: + case MT_EE_BAND_SEL_5GHZ: phy->mt76->cap.has_5ghz = true; break; - case MT_EE_2GHZ: + case MT_EE_BAND_SEL_2GHZ: phy->mt76->cap.has_2ghz = true; break; default: @@ -67,26 +73,30 @@ void mt7915_eeprom_parse_band_config(struct mt7915_phy *phy) static void mt7915_eeprom_parse_hw_cap(struct mt7915_dev *dev) { - u8 nss, tx_mask[2] = {}, *eeprom = dev->mt76.eeprom.data; + u8 nss, nss_band, *eeprom = dev->mt76.eeprom.data; mt7915_eeprom_parse_band_config(&dev->phy); /* read tx mask from eeprom */ - tx_mask[0] = FIELD_GET(MT_EE_WIFI_CONF_TX_MASK, - eeprom[MT_EE_WIFI_CONF]); - if (dev->dbdc_support) - tx_mask[1] = FIELD_GET(MT_EE_WIFI_CONF_TX_MASK, - eeprom[MT_EE_WIFI_CONF + 1]); - - nss = tx_mask[0] + tx_mask[1]; - if (!nss || nss > 4) { - tx_mask[0] = 4; + nss = FIELD_GET(MT_EE_WIFI_CONF0_TX_PATH, eeprom[MT_EE_WIFI_CONF]); + if (!nss || nss > 4) nss = 4; + + nss_band = nss; + + if (dev->dbdc_support) { + nss_band = FIELD_GET(MT_EE_WIFI_CONF3_TX_PATH_B0, + eeprom[MT_EE_WIFI_CONF + 3]); + if (!nss_band || nss_band > 2) + nss_band = 2; + + if (nss_band >= nss) + nss = 4; } dev->chainmask = BIT(nss) - 1; - dev->mphy.antenna_mask = BIT(tx_mask[0]) - 1; - dev->phy.chainmask = dev->mphy.antenna_mask; + dev->mphy.antenna_mask = BIT(nss_band) - 1; + dev->mphy.chainmask = dev->mphy.antenna_mask; } int mt7915_eeprom_init(struct mt7915_dev *dev) |