[PATCH 4/6] wifi: mt76: connac: introduce mt76_connac_spe_idx()
Shayne Chen
shayne.chen at mediatek.com
Fri Sep 30 08:13:13 PDT 2022
Add mt76_connac_spe_idx() for antenna mask to spatial extension
index conversion. This is used to support flexible control of
tx antenna.
Signed-off-by: Shayne Chen <shayne.chen at mediatek.com>
---
drivers/net/wireless/mediatek/mt76/mt76_connac.h | 11 +++++++++++
drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c | 11 ++++++++---
drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h | 2 +-
3 files changed, 20 insertions(+), 4 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac.h b/drivers/net/wireless/mediatek/mt76/mt76_connac.h
index 635192c878cb..0915eb579539 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76_connac.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76_connac.h
@@ -261,6 +261,17 @@ mt76_connac_txwi_to_txp(struct mt76_dev *dev, struct mt76_txwi_cache *t)
return (void *)(txwi + MT_TXD_SIZE);
}
+static inline u8 mt76_connac_spe_idx(u8 antenna_mask)
+{
+ static const u8 ant_to_spe[] = {0, 0, 1, 0, 3, 2, 4, 0,
+ 9, 8, 6, 10, 16, 12, 18, 0};
+
+ if (antenna_mask >= sizeof(ant_to_spe))
+ return 0;
+
+ return ant_to_spe[antenna_mask];
+}
+
int mt76_connac_pm_wake(struct mt76_phy *phy, struct mt76_connac_pm *pm);
void mt76_connac_power_save_sched(struct mt76_phy *phy,
struct mt76_connac_pm *pm);
diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c b/drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c
index 34ac3d81a510..8b7ec64abc95 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c
@@ -417,9 +417,6 @@ mt76_connac2_mac_write_txwi_80211(struct mt76_dev *dev, __le32 *txwi,
if (ieee80211_is_beacon(fc)) {
txwi[3] &= ~cpu_to_le32(MT_TXD3_SW_POWER_MGMT);
txwi[3] |= cpu_to_le32(MT_TXD3_REM_TX_COUNT);
- if (!is_mt7921(dev))
- txwi[7] |= cpu_to_le32(FIELD_PREP(MT_TXD7_SPE_IDX,
- 0x18));
}
if (info->flags & IEEE80211_TX_CTL_INJECTED) {
@@ -550,6 +547,14 @@ void mt76_connac2_mac_write_txwi(struct mt76_dev *dev, __le32 *txwi,
val |= FIELD_PREP(MT_TXD6_TX_RATE, rate);
txwi[6] |= cpu_to_le32(val);
txwi[3] |= cpu_to_le32(MT_TXD3_BA_DISABLE);
+
+ if (!is_mt7921(dev)) {
+ u8 spe_idx = mt76_connac_spe_idx(mphy->antenna_mask);
+
+ if (!spe_idx)
+ spe_idx = 24 + phy_idx;
+ txwi[7] |= cpu_to_le32(FIELD_PREP(MT_TXD7_SPE_IDX, spe_idx));
+ }
}
}
EXPORT_SYMBOL_GPL(mt76_connac2_mac_write_txwi);
diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h
index 718f427d8f6b..cf4ce3b1fc21 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h
@@ -580,7 +580,7 @@ struct sta_rec_ra_fixed {
struct sta_phy phy;
- u8 spe_en;
+ u8 spe_idx;
u8 short_preamble;
u8 is_5g;
u8 mmps_mode;
--
2.25.1
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