1 // SPDX-License-Identifier: ISC 2 /* 3 * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com> 4 */ 5 6 #include "mt76x2u.h" 7 #include "../mt76x02_usb.h" 8 9 static int mt76x2u_start(struct ieee80211_hw *hw) 10 { 11 struct mt76x02_dev *dev = hw->priv; 12 int ret; 13 14 ret = mt76x02u_mac_start(dev); 15 if (ret) 16 return ret; 17 18 ieee80211_queue_delayed_work(mt76_hw(dev), &dev->mphy.mac_work, 19 MT_MAC_WORK_INTERVAL); 20 set_bit(MT76_STATE_RUNNING, &dev->mphy.state); 21 22 return 0; 23 } 24 25 static void mt76x2u_stop(struct ieee80211_hw *hw, bool suspend) 26 { 27 struct mt76x02_dev *dev = hw->priv; 28 29 clear_bit(MT76_STATE_RUNNING, &dev->mphy.state); 30 mt76u_stop_tx(&dev->mt76); 31 mt76x2u_stop_hw(dev); 32 } 33 34 int mt76x2u_set_channel(struct mt76_phy *mphy) 35 { 36 struct mt76x02_dev *dev = container_of(mphy->dev, struct mt76x02_dev, mt76); 37 int err; 38 39 mt76x02_pre_tbtt_enable(dev, false); 40 mt76x2_mac_stop(dev, false); 41 42 err = mt76x2u_phy_set_channel(dev, &mphy->chandef); 43 44 mt76x02_mac_cc_reset(dev); 45 mt76x2_mac_resume(dev); 46 47 mt76x02_pre_tbtt_enable(dev, true); 48 49 return err; 50 } 51 52 static int 53 mt76x2u_config(struct ieee80211_hw *hw, u32 changed) 54 { 55 struct mt76x02_dev *dev = hw->priv; 56 int err = 0; 57 58 mutex_lock(&dev->mt76.mutex); 59 60 if (changed & IEEE80211_CONF_CHANGE_MONITOR) { 61 if (!(hw->conf.flags & IEEE80211_CONF_MONITOR)) 62 dev->mt76.rxfilter |= MT_RX_FILTR_CFG_PROMISC; 63 else 64 dev->mt76.rxfilter &= ~MT_RX_FILTR_CFG_PROMISC; 65 mt76_wr(dev, MT_RX_FILTR_CFG, dev->mt76.rxfilter); 66 } 67 68 if (changed & IEEE80211_CONF_CHANGE_POWER) { 69 struct mt76_phy *mphy = &dev->mphy; 70 71 dev->txpower_conf = hw->conf.power_level * 2; 72 dev->txpower_conf = mt76_get_sar_power(mphy, 73 mphy->chandef.chan, 74 dev->txpower_conf); 75 /* convert to per-chain power for 2x2 devices */ 76 dev->txpower_conf -= 6; 77 78 if (test_bit(MT76_STATE_RUNNING, &mphy->state)) 79 mt76x2_phy_set_txpower(dev); 80 } 81 82 mutex_unlock(&dev->mt76.mutex); 83 84 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) 85 mt76_update_channel(&dev->mphy); 86 87 return err; 88 } 89 90 const struct ieee80211_ops mt76x2u_ops = { 91 .add_chanctx = ieee80211_emulate_add_chanctx, 92 .remove_chanctx = ieee80211_emulate_remove_chanctx, 93 .change_chanctx = ieee80211_emulate_change_chanctx, 94 .switch_vif_chanctx = ieee80211_emulate_switch_vif_chanctx, 95 .tx = mt76x02_tx, 96 .start = mt76x2u_start, 97 .stop = mt76x2u_stop, 98 .add_interface = mt76x02_add_interface, 99 .remove_interface = mt76x02_remove_interface, 100 .sta_state = mt76_sta_state, 101 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove, 102 .set_key = mt76x02_set_key, 103 .ampdu_action = mt76x02_ampdu_action, 104 .config = mt76x2u_config, 105 .wake_tx_queue = mt76_wake_tx_queue, 106 .bss_info_changed = mt76x02_bss_info_changed, 107 .configure_filter = mt76x02_configure_filter, 108 .conf_tx = mt76x02_conf_tx, 109 .sw_scan_start = mt76_sw_scan, 110 .sw_scan_complete = mt76x02_sw_scan_complete, 111 .sta_rate_tbl_update = mt76x02_sta_rate_tbl_update, 112 .get_txpower = mt76_get_txpower, 113 .get_survey = mt76_get_survey, 114 .set_tim = mt76_set_tim, 115 .release_buffered_frames = mt76_release_buffered_frames, 116 .get_antenna = mt76_get_antenna, 117 .set_sar_specs = mt76x2_set_sar_specs, 118 }; 119