drivers/net/wireless/mediatek/mt76/mt76x0/main.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org>
   4  * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl>
   5  * Copyright (C) 2018 Stanislaw Gruszka <stf_xl@wp.pl>
   6  */
   7
   8 #include <linux/etherdevice.h>
   9 #include "mt76x0.h"
  10
  11 static void
  12 mt76x0_set_channel(struct mt76x02_dev *dev, struct cfg80211_chan_def *chandef)
  13 {
  14         cancel_delayed_work_sync(&dev->cal_work);
  15         mt76x02_pre_tbtt_enable(dev, false);
  16         if (mt76_is_mmio(&dev->mt76))
  17                 tasklet_disable(&dev->dfs_pd.dfs_tasklet);
  18
  19         mt76_set_channel(&dev->mphy);
  20         mt76x0_phy_set_channel(dev, chandef);
  21
  22         mt76x02_mac_cc_reset(dev);
  23         mt76x02_edcca_init(dev);
  24
  25         if (mt76_is_mmio(&dev->mt76)) {
  26                 mt76x02_dfs_init_params(dev);
  27                 tasklet_enable(&dev->dfs_pd.dfs_tasklet);
  28         }
  29         mt76x02_pre_tbtt_enable(dev, true);
  30
  31         mt76_txq_schedule_all(&dev->mphy);
  32 }
  33
  34 int mt76x0_config(struct ieee80211_hw *hw, u32 changed)
  35 {
  36         struct mt76x02_dev *dev = hw->priv;
  37
  38         mutex_lock(&dev->mt76.mutex);
  39
  40         if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
  41                 ieee80211_stop_queues(hw);
  42                 mt76x0_set_channel(dev, &hw->conf.chandef);
  43                 ieee80211_wake_queues(hw);
  44         }
  45
  46         if (changed & IEEE80211_CONF_CHANGE_POWER) {
  47                 dev->txpower_conf = hw->conf.power_level * 2;
  48
  49                 if (test_bit(MT76_STATE_RUNNING, &dev->mphy.state))
  50                         mt76x0_phy_set_txpower(dev);
  51         }
  52
  53         if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
  54                 if (!(hw->conf.flags & IEEE80211_CONF_MONITOR))
  55                         dev->mt76.rxfilter |= MT_RX_FILTR_CFG_PROMISC;
  56                 else
  57                         dev->mt76.rxfilter &= ~MT_RX_FILTR_CFG_PROMISC;
  58
  59                 mt76_wr(dev, MT_RX_FILTR_CFG, dev->mt76.rxfilter);
  60         }
  61
  62         mutex_unlock(&dev->mt76.mutex);
  63
  64         return 0;
  65 }
  66 EXPORT_SYMBOL_GPL(mt76x0_config);