From 0d88aea88f1d2c9960d00ac4fc4b7ed71864d37e Mon Sep 17 00:00:00 2001
From: Ryder Lee <ryder.lee@mediatek.com>
Date: Mon, 23 Dec 2019 04:11:39 +0800
Subject: [PATCH] mt76: mt7615: add set_antenna callback
Git-commit: 0d88aea88f1d2c9960d00ac4fc4b7ed71864d37e
Patch-mainline: v5.7-rc1
References: jsc#SLE-13430
Add a set_antenna callback to setup per phy tx/rx streams.
Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/net/wireless/mediatek/mt76/mt7615/main.c | 27 ++++++++++++++++++++++++
1 file changed, 27 insertions(+)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/main.c b/drivers/net/wireless/mediatek/mt76/mt7615/main.c
index 14bcff97781e..93fb619626a2 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/main.c
@@ -642,6 +642,32 @@ mt7615_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class)
mt7615_mac_set_timing(phy);
}
+static int
+mt7615_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant)
+{
+ struct mt7615_dev *dev = mt7615_hw_dev(hw);
+ struct mt7615_phy *phy = mt7615_hw_phy(hw);
+ int max_nss = hweight8(hw->wiphy->available_antennas_tx);
+ bool ext_phy = phy != &dev->phy;
+
+ if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss)
+ return -EINVAL;
+
+ if ((BIT(hweight8(tx_ant)) - 1) != tx_ant)
+ tx_ant = BIT(ffs(tx_ant) - 1) - 1;
+
+ mutex_lock(&dev->mt76.mutex);
+
+ phy->mt76->antenna_mask = tx_ant;
+ phy->chainmask = ext_phy ? tx_ant << 2 : tx_ant;
+
+ mt76_set_stream_caps(&dev->mt76, true);
+
+ mutex_unlock(&dev->mt76.mutex);
+
+ return 0;
+}
+
const struct ieee80211_ops mt7615_ops = {
.tx = mt7615_tx,
.start = mt7615_start,
@@ -666,5 +692,6 @@ const struct ieee80211_ops mt7615_ops = {
.channel_switch_beacon = mt7615_channel_switch_beacon,
.get_survey = mt76_get_survey,
.get_antenna = mt76_get_antenna,
+ .set_antenna = mt7615_set_antenna,
.set_coverage_class = mt7615_set_coverage_class,
};
--
2.16.4