[PATCH 3/3] mt76: mt7921: introduce BIOS SAR config in tx power
Deren Wu
Deren.Wu at mediatek.com
Wed May 18 23:38:24 PDT 2022
From: Deren Wu <deren.wu at mediatek.com>
Add new function mt7921_set_tx_sar_pwr() to update SAR power from
.set_sar_specs and BIOS setting. Both settings would be merged into
mt76_freq_range_power for final tx power value.
Reviewed-by: Sean Wang <sean.wang at mediatek.com>
Co-developed-by: Ming Yen Hsieh <mingyen.hsieh at mediatek.com>
Signed-off-by: Ming Yen Hsieh <mingyen.hsieh at mediatek.com>
Signed-off-by: Deren Wu <deren.wu at mediatek.com>
---
.../net/wireless/mediatek/mt76/mt7921/init.c | 3 +-
.../net/wireless/mediatek/mt76/mt7921/main.c | 32 +++++++++++++------
.../wireless/mediatek/mt76/mt7921/mt7921.h | 2 ++
3 files changed, 26 insertions(+), 11 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/init.c b/drivers/net/wireless/mediatek/mt76/mt7921/init.c
index ae406f1b31a0..4043c81bfbca 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/init.c
@@ -34,14 +34,13 @@ mt7921_regd_notifier(struct wiphy *wiphy,
{
struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
struct mt7921_dev *dev = mt7921_hw_dev(hw);
- struct mt7921_phy *phy = mt7921_hw_phy(hw);
memcpy(dev->mt76.alpha2, request->alpha2, sizeof(dev->mt76.alpha2));
dev->mt76.region = request->dfs_region;
mt7921_mutex_acquire(dev);
mt76_connac_mcu_set_channel_domain(hw->priv);
- mt76_connac_mcu_set_rate_txpower(phy->mt76);
+ mt7921_set_tx_sar_pwr(hw, NULL);
mt7921_mutex_release(dev);
}
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/main.c b/drivers/net/wireless/mediatek/mt76/mt7921/main.c
index 80279f342109..c86d8805f291 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/main.c
@@ -257,7 +257,7 @@ int __mt7921_start(struct mt7921_phy *phy)
if (err)
return err;
- err = mt76_connac_mcu_set_rate_txpower(phy->mt76);
+ err = mt7921_set_tx_sar_pwr(mphy->hw, NULL);
if (err)
return err;
@@ -548,7 +548,7 @@ static int mt7921_config(struct ieee80211_hw *hw, u32 changed)
mt7921_mutex_acquire(dev);
if (changed & IEEE80211_CONF_CHANGE_POWER) {
- ret = mt76_connac_mcu_set_rate_txpower(phy->mt76);
+ ret = mt7921_set_tx_sar_pwr(hw, NULL);
if (ret)
goto out;
}
@@ -1469,20 +1469,34 @@ static void mt7921_ipv6_addr_change(struct ieee80211_hw *hw,
}
#endif
+int mt7921_set_tx_sar_pwr(struct ieee80211_hw *hw,
+ const struct cfg80211_sar_specs *sar)
+{
+ struct mt76_phy *mphy = hw->priv;
+ int err;
+
+ if (sar) {
+ err = mt76_init_sar_power(hw, sar);
+ if (err)
+ return err;
+ }
+
+ mt7921_init_bios_sar_power(mt7921_hw_phy(hw), !sar);
+
+ err = mt76_connac_mcu_set_rate_txpower(mphy);
+
+ return err;
+}
+EXPORT_SYMBOL_GPL(mt7921_set_tx_sar_pwr);
+
static int mt7921_set_sar_specs(struct ieee80211_hw *hw,
const struct cfg80211_sar_specs *sar)
{
struct mt7921_dev *dev = mt7921_hw_dev(hw);
- struct mt76_phy *mphy = hw->priv;
int err;
mt7921_mutex_acquire(dev);
- err = mt76_init_sar_power(hw, sar);
- if (err)
- goto out;
-
- err = mt76_connac_mcu_set_rate_txpower(mphy);
-out:
+ err = mt7921_set_tx_sar_pwr(hw, sar);
mt7921_mutex_release(dev);
return err;
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
index e5d541291919..a63c4848ced4 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
@@ -501,4 +501,6 @@ mt7921_init_bios_sar_power(struct mt7921_phy *phy, bool set_default)
return 0;
}
#endif
+int mt7921_set_tx_sar_pwr(struct ieee80211_hw *hw,
+ const struct cfg80211_sar_specs *sar);
#endif
--
2.18.0
More information about the Linux-mediatek
mailing list