text: /*
   * 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>
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License version 2
   * as published by the Free Software Foundation
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
   * GNU General Public License for more details.
   */
  
  #include <linux/etherdevice.h>
  #include "mt76x0.h"
  
  static int
  mt76x0_set_channel(struct mt76x02_dev *dev, struct cfg80211_chan_def *chandef)
  {
  	int ret;
  
  	cancel_delayed_work_sync(&dev->cal_work);
  	if (mt76_is_mmio(dev)) {
  		tasklet_disable(&dev->pre_tbtt_tasklet);
  		tasklet_disable(&dev->dfs_pd.dfs_tasklet);
  	}
  
  	mt76_set_channel(&dev->mt76);
  	ret = mt76x0_phy_set_channel(dev, chandef);
  
  	/* channel cycle counters read-and-clear */
  	mt76_rr(dev, MT_CH_IDLE);
  	mt76_rr(dev, MT_CH_BUSY);
  
  	if (mt76_is_mmio(dev)) {
  		mt76x02_dfs_init_params(dev);
  		tasklet_enable(&dev->pre_tbtt_tasklet);
  		tasklet_enable(&dev->dfs_pd.dfs_tasklet);
  	}
  	mt76_txq_schedule_all(&dev->mt76);
  
  	return ret;
  }
  
  int mt76x0_config(struct ieee80211_hw *hw, u32 changed)
  {
  	struct mt76x02_dev *dev = hw->priv;
  	int ret = 0;
  
  	mutex_lock(&dev->mt76.mutex);
  
  	if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
  		ieee80211_stop_queues(hw);
  		ret = mt76x0_set_channel(dev, &hw->conf.chandef);
  		ieee80211_wake_queues(hw);
  	}
  
  	if (changed & IEEE80211_CONF_CHANGE_POWER) {
  		dev->mt76.txpower_conf = hw->conf.power_level * 2;
  
  		if (test_bit(MT76_STATE_RUNNING, &dev->mt76.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 ret;
  }
  EXPORT_SYMBOL_GPL(mt76x0_config);
  