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_set_sar_specs(struct ieee80211_hw *hw, 35 const struct cfg80211_sar_specs *sar) 36 { 37 int err = -EINVAL, power = hw->conf.power_level * 2; 38 struct mt76x02_dev *dev = hw->priv; 39 struct mt76_phy *mphy = &dev->mphy; 40 41 mutex_lock(&dev->mt76.mutex); 42 if (!cfg80211_chandef_valid(&mphy->chandef)) 43 goto out; 44 45 err = mt76_init_sar_power(hw, sar); 46 if (err) 47 goto out; 48 49 dev->txpower_conf = mt76_get_sar_power(mphy, mphy->chandef.chan, 50 power); 51 if (test_bit(MT76_STATE_RUNNING, &mphy->state)) 52 mt76x0_phy_set_txpower(dev); 53 out: 54 mutex_unlock(&dev->mt76.mutex); 55 56 return err; 57 } 58 EXPORT_SYMBOL_GPL(mt76x0_set_sar_specs); 59 60 int mt76x0_config(struct ieee80211_hw *hw, u32 changed) 61 { 62 struct mt76x02_dev *dev = hw->priv; 63 64 mutex_lock(&dev->mt76.mutex); 65 66 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { 67 ieee80211_stop_queues(hw); 68 mt76x0_set_channel(dev, &hw->conf.chandef); 69 ieee80211_wake_queues(hw); 70 } 71 72 if (changed & IEEE80211_CONF_CHANGE_POWER) { 73 struct mt76_phy *mphy = &dev->mphy; 74 75 dev->txpower_conf = hw->conf.power_level * 2; 76 dev->txpower_conf = mt76_get_sar_power(mphy, 77 mphy->chandef.chan, 78 dev->txpower_conf); 79 if (test_bit(MT76_STATE_RUNNING, &mphy->state)) 80 mt76x0_phy_set_txpower(dev); 81 } 82 83 if (changed & IEEE80211_CONF_CHANGE_MONITOR) { 84 if (!(hw->conf.flags & IEEE80211_CONF_MONITOR)) 85 dev->mt76.rxfilter |= MT_RX_FILTR_CFG_PROMISC; 86 else 87 dev->mt76.rxfilter &= ~MT_RX_FILTR_CFG_PROMISC; 88 89 mt76_wr(dev, MT_RX_FILTR_CFG, dev->mt76.rxfilter); 90 } 91 92 mutex_unlock(&dev->mt76.mutex); 93 94 return 0; 95 } 96 EXPORT_SYMBOL_GPL(mt76x0_config); 97