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 int mt76x0_set_channel(struct mt76_phy *mphy) 12 { 13 struct mt76x02_dev *dev = container_of(mphy->dev, struct mt76x02_dev, mt76); 14 15 mt76x02_pre_tbtt_enable(dev, false); 16 if (mt76_is_mmio(&dev->mt76)) 17 tasklet_disable(&dev->dfs_pd.dfs_tasklet); 18 19 mt76x0_phy_set_channel(dev, &mphy->chandef); 20 21 mt76x02_mac_cc_reset(dev); 22 mt76x02_edcca_init(dev); 23 24 if (mt76_is_mmio(&dev->mt76)) { 25 mt76x02_dfs_init_params(dev); 26 tasklet_enable(&dev->dfs_pd.dfs_tasklet); 27 } 28 mt76x02_pre_tbtt_enable(dev, true); 29 30 return 0; 31 } 32 EXPORT_SYMBOL_GPL(mt76x0_set_channel); 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 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) 65 mt76_update_channel(&dev->mphy); 66 67 mutex_lock(&dev->mt76.mutex); 68 69 if (changed & IEEE80211_CONF_CHANGE_POWER) { 70 struct mt76_phy *mphy = &dev->mphy; 71 72 dev->txpower_conf = hw->conf.power_level * 2; 73 dev->txpower_conf = mt76_get_sar_power(mphy, 74 mphy->chandef.chan, 75 dev->txpower_conf); 76 if (test_bit(MT76_STATE_RUNNING, &mphy->state)) 77 mt76x0_phy_set_txpower(dev); 78 } 79 80 if (changed & IEEE80211_CONF_CHANGE_MONITOR) { 81 if (!(hw->conf.flags & IEEE80211_CONF_MONITOR)) 82 dev->mt76.rxfilter |= MT_RX_FILTR_CFG_PROMISC; 83 else 84 dev->mt76.rxfilter &= ~MT_RX_FILTR_CFG_PROMISC; 85 86 mt76_wr(dev, MT_RX_FILTR_CFG, dev->mt76.rxfilter); 87 } 88 89 mutex_unlock(&dev->mt76.mutex); 90 91 return 0; 92 } 93 EXPORT_SYMBOL_GPL(mt76x0_config); 94