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)) 17 tasklet_disable(&dev->dfs_pd.dfs_tasklet); 18 19 mt76_set_channel(&dev->mt76); 20 mt76x0_phy_set_channel(dev, chandef); 21 22 /* channel cycle counters read-and-clear */ 23 mt76_rr(dev, MT_CH_IDLE); 24 mt76_rr(dev, MT_CH_BUSY); 25 26 mt76x02_edcca_init(dev); 27 28 if (mt76_is_mmio(dev)) { 29 mt76x02_dfs_init_params(dev); 30 tasklet_enable(&dev->dfs_pd.dfs_tasklet); 31 } 32 mt76x02_pre_tbtt_enable(dev, true); 33 34 mt76_txq_schedule_all(&dev->mt76); 35 } 36 37 int mt76x0_config(struct ieee80211_hw *hw, u32 changed) 38 { 39 struct mt76x02_dev *dev = hw->priv; 40 41 mutex_lock(&dev->mt76.mutex); 42 43 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { 44 ieee80211_stop_queues(hw); 45 mt76x0_set_channel(dev, &hw->conf.chandef); 46 ieee80211_wake_queues(hw); 47 } 48 49 if (changed & IEEE80211_CONF_CHANGE_POWER) { 50 dev->mt76.txpower_conf = hw->conf.power_level * 2; 51 52 if (test_bit(MT76_STATE_RUNNING, &dev->mt76.state)) 53 mt76x0_phy_set_txpower(dev); 54 } 55 56 if (changed & IEEE80211_CONF_CHANGE_MONITOR) { 57 if (!(hw->conf.flags & IEEE80211_CONF_MONITOR)) 58 dev->mt76.rxfilter |= MT_RX_FILTR_CFG_PROMISC; 59 else 60 dev->mt76.rxfilter &= ~MT_RX_FILTR_CFG_PROMISC; 61 62 mt76_wr(dev, MT_RX_FILTR_CFG, dev->mt76.rxfilter); 63 } 64 65 mutex_unlock(&dev->mt76.mutex); 66 67 return 0; 68 } 69 EXPORT_SYMBOL_GPL(mt76x0_config); 70