diff options
| author | Felix Fietkau <nbd@nbd.name> | 2020-08-25 07:03:37 +0200 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2020-09-24 18:10:16 +0200 |
| commit | d407afcbd6e763171253b6a174749e0ecf49e249 (patch) | |
| tree | 0e9e0e6bda553e18ecb8a47c01df8bac62342f2d /drivers/net/wireless | |
| parent | 2d68104742a90f035ee8ceaddf322f6e2da32f70 (diff) | |
mt76: mt7603: check for single-stream EEPROM configuration
Some devices using MT7628 or MT7603 have only one antenna chain connected.
Detect these using the EEPROM rx/tx path settings
Reported-by: Qin Wei <me@vonger.cn>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'drivers/net/wireless')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7603/eeprom.c | 17 | ||||
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7603/eeprom.h | 3 | ||||
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7603/init.c | 5 |
3 files changed, 18 insertions, 7 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/eeprom.c b/drivers/net/wireless/mediatek/mt76/mt7603/eeprom.c index 3ee06e2577b8..01f1e0da5ee1 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7603/eeprom.c +++ b/drivers/net/wireless/mediatek/mt76/mt7603/eeprom.c @@ -147,8 +147,14 @@ static int mt7603_check_eeprom(struct mt76_dev *dev) } } +static inline bool is_mt7688(struct mt7603_dev *dev) +{ + return mt76_rr(dev, MT_EFUSE_BASE + 0x64) & BIT(4); +} + int mt7603_eeprom_init(struct mt7603_dev *dev) { + u8 *eeprom; int ret; ret = mt7603_eeprom_load(dev); @@ -163,9 +169,16 @@ int mt7603_eeprom_init(struct mt7603_dev *dev) MT7603_EEPROM_SIZE); } + eeprom = (u8 *)dev->mt76.eeprom.data; dev->mt76.cap.has_2ghz = true; - memcpy(dev->mt76.macaddr, dev->mt76.eeprom.data + MT_EE_MAC_ADDR, - ETH_ALEN); + memcpy(dev->mt76.macaddr, eeprom + MT_EE_MAC_ADDR, ETH_ALEN); + + /* Check for 1SS devices */ + dev->mphy.antenna_mask = 3; + if (FIELD_GET(MT_EE_NIC_CONF_0_RX_PATH, eeprom[MT_EE_NIC_CONF_0]) == 1 || + FIELD_GET(MT_EE_NIC_CONF_0_TX_PATH, eeprom[MT_EE_NIC_CONF_0]) == 1 || + is_mt7688(dev)) + dev->mphy.antenna_mask = 1; mt76_eeprom_override(&dev->mt76); diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/eeprom.h b/drivers/net/wireless/mediatek/mt76/mt7603/eeprom.h index b893facfba48..4687d6dc00dc 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7603/eeprom.h +++ b/drivers/net/wireless/mediatek/mt76/mt7603/eeprom.h @@ -85,4 +85,7 @@ enum mt7603_eeprom_source { MT_EE_SRC_FLASH, }; +#define MT_EE_NIC_CONF_0_RX_PATH GENMASK(3, 0) +#define MT_EE_NIC_CONF_0_TX_PATH GENMASK(7, 4) + #endif diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/init.c b/drivers/net/wireless/mediatek/mt76/mt7603/init.c index 94196599797e..c4848fafd270 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7603/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7603/init.c @@ -536,11 +536,6 @@ int mt7603_register_device(struct mt7603_dev *dev) tasklet_init(&dev->mt76.pre_tbtt_tasklet, mt7603_pre_tbtt_tasklet, (unsigned long)dev); - /* Check for 7688, which only has 1SS */ - dev->mphy.antenna_mask = 3; - if (mt76_rr(dev, MT_EFUSE_BASE + 0x64) & BIT(4)) - dev->mphy.antenna_mask = 1; - dev->slottime = 9; dev->sensitivity_limit = 28; dev->dynamic_sensitivity = true; |