diff mbox series

mt76: mt7615: select wifi band according to eeprom

Message ID 38aa977df45a92f60d78d9cb7e575289ccbaeef6.1558127930.git.lorenzo@kernel.org (mailing list archive)
State Accepted
Delegated to: Felix Fietkau
Headers show
Series mt76: mt7615: select wifi band according to eeprom | expand

Commit Message

Lorenzo Bianconi May 17, 2019, 9:32 p.m. UTC
Select supported band according to the value read from
eeprom mtd/otp partition

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
---
 .../wireless/mediatek/mt76/mt7615/eeprom.c    | 24 ++++++++++++++++---
 .../wireless/mediatek/mt76/mt7615/eeprom.h    |  9 +++++++
 2 files changed, 30 insertions(+), 3 deletions(-)

Comments

Lorenzo Bianconi May 17, 2019, 9:35 p.m. UTC | #1
>
> Select supported band according to the value read from
> eeprom mtd/otp partition
>

I forgot to mention this patch is based on 'mt76: mt7615: add support
for mtd eeprom parsing'
https://patchwork.kernel.org/patch/10947385/

Regards,
Lorenzo

> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
> ---
>  .../wireless/mediatek/mt76/mt7615/eeprom.c    | 24 ++++++++++++++++---
>  .../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
> --
> 2.20.1
>
Felix Fietkau June 7, 2019, 4:56 p.m. UTC | #2
On 2019-05-17 23:32, Lorenzo Bianconi wrote:
> Select supported band according to the value read from
> eeprom mtd/otp partition
> 
> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>

Applied, thanks.

- Felix
diff mbox series

Patch

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