diff options
| author | Lorenzo Bianconi <lorenzo@kernel.org> | 2019-05-17 23:32:56 +0200 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2019-06-27 12:58:13 +0200 |
| commit | c988a77f1de523ed75a410d96a2e7a969b5e4a01 (patch) | |
| tree | 587b906f6fc4df9bbc26c23c0d21f32771e8e687 | |
| parent | f9461a687928df2f749e99739d37da440efcf385 (diff) | |
mt76: mt7615: select wifi band according to eeprom
Select supported band according to the value read from
eeprom mtd/otp partition
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7615/eeprom.c | 24 | ||||
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7615/eeprom.h | 9 |
2 files changed, 30 insertions, 3 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/eeprom.c b/drivers/net/wireless/mediatek/mt76/mt7615/eeprom.c index 1712f66520a8..714590878d65 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/eeprom.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/eeprom.c @@ -90,6 +90,26 @@ 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; + + val = FIELD_GET(MT_EE_NIC_WIFI_CONF_BAND_SEL, + eeprom[MT_EE_WIFI_CONF]); + switch (val) { + case MT_EE_5GHZ: + dev->mt76.cap.has_5ghz = true; + break; + case MT_EE_2GHZ: + dev->mt76.cap.has_2ghz = true; + break; + default: + dev->mt76.cap.has_2ghz = true; + dev->mt76.cap.has_5ghz = true; + break; + } +} + int mt7615_eeprom_init(struct mt7615_dev *dev) { int ret; @@ -103,9 +123,7 @@ int mt7615_eeprom_init(struct mt7615_dev *dev) memcpy(dev->mt76.eeprom.data, dev->mt76.otp.data, MT7615_EEPROM_SIZE); - dev->mt76.cap.has_2ghz = true; - dev->mt76.cap.has_5ghz = true; - + mt7615_eeprom_parse_hw_cap(dev); memcpy(dev->mt76.macaddr, dev->mt76.eeprom.data + MT_EE_MAC_ADDR, ETH_ALEN); diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/eeprom.h b/drivers/net/wireless/mediatek/mt76/mt7615/eeprom.h index a4cf16688171..b422e395d6ee 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/eeprom.h +++ b/drivers/net/wireless/mediatek/mt76/mt7615/eeprom.h @@ -11,8 +11,17 @@ enum mt7615_eeprom_field { MT_EE_VERSION = 0x002, MT_EE_MAC_ADDR = 0x004, MT_EE_NIC_CONF_0 = 0x034, + MT_EE_WIFI_CONF = 0x03e, __MT_EE_MAX = 0x3bf }; +#define MT_EE_NIC_WIFI_CONF_BAND_SEL GENMASK(5, 4) +enum mt7615_eeprom_band { + MT_EE_DUAL_BAND, + MT_EE_5GHZ, + MT_EE_2GHZ, + MT_EE_DBDC, +}; + #endif |