linux-zen-server/drivers/net/wireless/mediatek/mt76/mt76x0/main.c

97 lines
2.4 KiB
C

// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org>
* Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl>
* Copyright (C) 2018 Stanislaw Gruszka <stf_xl@wp.pl>
*/
#include <linux/etherdevice.h>
#include "mt76x0.h"
static void
mt76x0_set_channel(struct mt76x02_dev *dev, struct cfg80211_chan_def *chandef)
{
cancel_delayed_work_sync(&dev->cal_work);
mt76x02_pre_tbtt_enable(dev, false);
if (mt76_is_mmio(&dev->mt76))
tasklet_disable(&dev->dfs_pd.dfs_tasklet);
mt76_set_channel(&dev->mphy);
mt76x0_phy_set_channel(dev, chandef);
mt76x02_mac_cc_reset(dev);
mt76x02_edcca_init(dev);
if (mt76_is_mmio(&dev->mt76)) {
mt76x02_dfs_init_params(dev);
tasklet_enable(&dev->dfs_pd.dfs_tasklet);
}
mt76x02_pre_tbtt_enable(dev, true);
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;
mutex_lock(&dev->mt76.mutex);
if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
ieee80211_stop_queues(hw);
mt76x0_set_channel(dev, &hw->conf.chandef);
ieee80211_wake_queues(hw);
}
if (changed & IEEE80211_CONF_CHANGE_POWER) {
struct mt76_phy *mphy = &dev->mphy;
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);
}
if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
if (!(hw->conf.flags & IEEE80211_CONF_MONITOR))
dev->mt76.rxfilter |= MT_RX_FILTR_CFG_PROMISC;
else
dev->mt76.rxfilter &= ~MT_RX_FILTR_CFG_PROMISC;
mt76_wr(dev, MT_RX_FILTR_CFG, dev->mt76.rxfilter);
}
mutex_unlock(&dev->mt76.mutex);
return 0;
}
EXPORT_SYMBOL_GPL(mt76x0_config);