From eb7bd8d7fb727dcdbf4b1c145bba1169bc3c2d4a Mon Sep 17 00:00:00 2001
From: Lorenzo Bianconi <lorenzo@kernel.org>
Date: Sat, 2 May 2020 01:13:11 +0200
Subject: [PATCH] mt76: mt7663: read tx streams from eeprom
Git-commit: eb7bd8d7fb727dcdbf4b1c145bba1169bc3c2d4a
Patch-mainline: v5.8-rc1
References: jsc#SLE-13430
Read tx stream configuration from eeprom/efuse
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/net/wireless/mediatek/mt76/mt7615/eeprom.c | 11 ++++++-----
drivers/net/wireless/mediatek/mt76/mt7615/eeprom.h | 3 +++
2 files changed, 9 insertions(+), 5 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/eeprom.c b/drivers/net/wireless/mediatek/mt76/mt7615/eeprom.c
index 521705015036..7440ad13c74b 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/eeprom.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/eeprom.c
@@ -130,14 +130,15 @@ mt7615_eeprom_parse_hw_band_cap(struct mt7615_dev *dev)
static void mt7615_eeprom_parse_hw_cap(struct mt7615_dev *dev)
{
u8 *eeprom = dev->mt76.eeprom.data;
- u8 tx_mask;
+ u8 tx_mask, max_nss;
mt7615_eeprom_parse_hw_band_cap(dev);
if (is_mt7663(&dev->mt76)) {
- tx_mask = 2;
+ max_nss = 2;
+ tx_mask = FIELD_GET(MT_EE_HW_CONF1_TX_MASK,
+ eeprom[MT7663_EE_HW_CONF1]);
} else {
- u8 max_nss;
u32 val;
/* read tx-rx mask from eeprom */
@@ -146,9 +147,9 @@ static void mt7615_eeprom_parse_hw_cap(struct mt7615_dev *dev)
tx_mask = FIELD_GET(MT_EE_NIC_CONF_TX_MASK,
eeprom[MT_EE_NIC_CONF_0]);
- if (!tx_mask || tx_mask > max_nss)
- tx_mask = max_nss;
}
+ if (!tx_mask || tx_mask > max_nss)
+ tx_mask = max_nss;
dev->chainmask = BIT(tx_mask) - 1;
dev->mphy.antenna_mask = dev->chainmask;
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/eeprom.h b/drivers/net/wireless/mediatek/mt76/mt7615/eeprom.h
index 3dd7009e5836..aad82b600c63 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/eeprom.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/eeprom.h
@@ -39,6 +39,7 @@ enum mt7615_eeprom_field {
MT7663_EE_TX0_2G_TARGET_POWER = 0x123,
MT_EE_TX2_5G_G0_TARGET_POWER = 0x142,
MT_EE_TX3_5G_G0_TARGET_POWER = 0x16a,
+ MT7663_EE_HW_CONF1 = 0x1b0,
MT7615_EE_MAX = 0x3bf,
MT7622_EE_MAX = 0x3db,
@@ -55,6 +56,8 @@ enum mt7615_eeprom_field {
#define MT_EE_NIC_CONF_TX_MASK GENMASK(7, 4)
#define MT_EE_NIC_CONF_RX_MASK GENMASK(3, 0)
+#define MT_EE_HW_CONF1_TX_MASK GENMASK(2, 0)
+
#define MT_EE_NIC_CONF_TSSI_2G BIT(5)
#define MT_EE_NIC_CONF_TSSI_5G BIT(6)
--
2.16.4