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mt76: mt76x02: introduce SAR support

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Add SAR spec support to mt76x02 driver to allow configuring SAR power
limitations on the frequency ranges from the userland.

Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Lorenzo Bianconi
2021-11-22 16:05:20 +01:00
committed by Felix Fietkau
parent bc6798f729
commit b1d0ad2e74
13 changed files with 101 additions and 11 deletions
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mt76x0/init.c
+4 -1
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@@ -237,7 +237,10 @@ int mt76x0_register_device(struct mt76x02_dev *dev)
{
int ret;
mt76x02_init_device(dev);
ret = mt76x02_init_device(dev);
if (ret)
return ret;
mt76x02_config_mac_addr_list(dev);
ret = mt76_register_device(&dev->mt76, true, mt76x02_rates,
mt76x0/main.c
+32 -2
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@@ -31,6 +31,32 @@ mt76x0_set_channel(struct mt76x02_dev *dev, struct cfg80211_chan_def *chandef)
mt76_txq_schedule_all(&dev->mphy);
}
int mt76x0_set_sar_specs(struct ieee80211_hw *hw,
const struct cfg80211_sar_specs *sar)
{
int err = -EINVAL, power = hw->conf.power_level * 2;
struct mt76x02_dev *dev = hw->priv;
struct mt76_phy *mphy = &dev->mphy;
mutex_lock(&dev->mt76.mutex);
if (!cfg80211_chandef_valid(&mphy->chandef))
goto out;
err = mt76_init_sar_power(hw, sar);
if (err)
goto out;
dev->txpower_conf = mt76_get_sar_power(mphy, mphy->chandef.chan,
power);
if (test_bit(MT76_STATE_RUNNING, &mphy->state))
mt76x0_phy_set_txpower(dev);
out:
mutex_unlock(&dev->mt76.mutex);
return err;
}
EXPORT_SYMBOL_GPL(mt76x0_set_sar_specs);
int mt76x0_config(struct ieee80211_hw *hw, u32 changed)
{
struct mt76x02_dev *dev = hw->priv;
@@ -44,9 +70,13 @@ int mt76x0_config(struct ieee80211_hw *hw, u32 changed)
}
if (changed & IEEE80211_CONF_CHANGE_POWER) {
dev->txpower_conf = hw->conf.power_level * 2;
struct mt76_phy *mphy = &dev->mphy;
if (test_bit(MT76_STATE_RUNNING, &dev->mphy.state))
dev->txpower_conf = hw->conf.power_level * 2;
dev->txpower_conf = mt76_get_sar_power(mphy,
mphy->chandef.chan,
dev->txpower_conf);
if (test_bit(MT76_STATE_RUNNING, &mphy->state))
mt76x0_phy_set_txpower(dev);
}
mt76x0/mt76x0.h
+2
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@@ -49,6 +49,8 @@ void mt76x0_chip_onoff(struct mt76x02_dev *dev, bool enable, bool reset);
void mt76x0_mac_stop(struct mt76x02_dev *dev);
int mt76x0_config(struct ieee80211_hw *hw, u32 changed);
int mt76x0_set_sar_specs(struct ieee80211_hw *hw,
const struct cfg80211_sar_specs *sar);
/* PHY */
void mt76x0_phy_init(struct mt76x02_dev *dev);
mt76x0/pci.c
+1
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@@ -85,6 +85,7 @@ static const struct ieee80211_ops mt76x0e_ops = {
.set_rts_threshold = mt76x02_set_rts_threshold,
.get_antenna = mt76_get_antenna,
.reconfig_complete = mt76x02_reconfig_complete,
.set_sar_specs = mt76x0_set_sar_specs,
};
static int mt76x0e_init_hardware(struct mt76x02_dev *dev, bool resume)
mt76x0/usb.c
+1
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@@ -141,6 +141,7 @@ static const struct ieee80211_ops mt76x0u_ops = {
.set_tim = mt76_set_tim,
.release_buffered_frames = mt76_release_buffered_frames,
.get_antenna = mt76_get_antenna,
.set_sar_specs = mt76x0_set_sar_specs,
};
static int mt76x0u_init_hardware(struct mt76x02_dev *dev, bool reset)