lkml.org 
[lkml]   [2019]   [Dec]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v1 2/2] mt76: mt7615: add set_antenna callback
Date
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>
---
Changes since v1:
- remove unnecessary call regard to antenna settings.
---
.../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 90c4e785a1a3..5b83528f77a0 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/main.c
@@ -637,6 +637,32 @@ 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,
@@ -661,5 +687,6 @@ 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,
};
--
2.18.0
\
 
 \ /
  Last update: 2019-12-22 21:12    [W:0.019 / U:7.144 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site