1 // SPDX-License-Identifier: ISC 2 /* 3 * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name> 4 */ 5 6 #include "mt76x2.h" 7 #include "../mt76x02_mac.h" 8 9 static int 10 mt76x2_start(struct ieee80211_hw *hw) 11 { 12 struct mt76x02_dev *dev = hw->priv; 13 14 mt76x02_mac_start(dev); 15 mt76x2_phy_start(dev); 16 17 ieee80211_queue_delayed_work(mt76_hw(dev), &dev->mphy.mac_work, 18 MT_MAC_WORK_INTERVAL); 19 ieee80211_queue_delayed_work(mt76_hw(dev), &dev->wdt_work, 20 MT_WATCHDOG_TIME); 21 22 set_bit(MT76_STATE_RUNNING, &dev->mphy.state); 23 return 0; 24 } 25 26 static void 27 mt76x2_stop(struct ieee80211_hw *hw) 28 { 29 struct mt76x02_dev *dev = hw->priv; 30 31 clear_bit(MT76_STATE_RUNNING, &dev->mphy.state); 32 mt76x2_stop_hardware(dev); 33 } 34 35 static void 36 mt76x2_set_channel(struct mt76x02_dev *dev, struct cfg80211_chan_def *chandef) 37 { 38 cancel_delayed_work_sync(&dev->cal_work); 39 tasklet_disable(&dev->mt76.pre_tbtt_tasklet); 40 tasklet_disable(&dev->dfs_pd.dfs_tasklet); 41 42 mutex_lock(&dev->mt76.mutex); 43 set_bit(MT76_RESET, &dev->mphy.state); 44 45 mt76_set_channel(&dev->mphy); 46 47 mt76x2_mac_stop(dev, true); 48 mt76x2_phy_set_channel(dev, chandef); 49 50 mt76x02_mac_cc_reset(dev); 51 mt76x02_dfs_init_params(dev); 52 53 mt76x2_mac_resume(dev); 54 55 clear_bit(MT76_RESET, &dev->mphy.state); 56 mutex_unlock(&dev->mt76.mutex); 57 58 tasklet_enable(&dev->dfs_pd.dfs_tasklet); 59 tasklet_enable(&dev->mt76.pre_tbtt_tasklet); 60 61 mt76_txq_schedule_all(&dev->mphy); 62 } 63 64 static int 65 mt76x2_config(struct ieee80211_hw *hw, u32 changed) 66 { 67 struct mt76x02_dev *dev = hw->priv; 68 69 mutex_lock(&dev->mt76.mutex); 70 71 if (changed & IEEE80211_CONF_CHANGE_MONITOR) { 72 if (!(hw->conf.flags & IEEE80211_CONF_MONITOR)) 73 dev->mt76.rxfilter |= MT_RX_FILTR_CFG_PROMISC; 74 else 75 dev->mt76.rxfilter &= ~MT_RX_FILTR_CFG_PROMISC; 76 77 mt76_wr(dev, MT_RX_FILTR_CFG, dev->mt76.rxfilter); 78 } 79 80 if (changed & IEEE80211_CONF_CHANGE_POWER) { 81 struct mt76_phy *mphy = &dev->mphy; 82 83 dev->txpower_conf = hw->conf.power_level * 2; 84 dev->txpower_conf = mt76_get_sar_power(mphy, 85 mphy->chandef.chan, 86 dev->txpower_conf); 87 /* convert to per-chain power for 2x2 devices */ 88 dev->txpower_conf -= 6; 89 90 if (test_bit(MT76_STATE_RUNNING, &dev->mphy.state)) { 91 mt76x2_phy_set_txpower(dev); 92 mt76x02_tx_set_txpwr_auto(dev, dev->txpower_conf); 93 } 94 } 95 96 mutex_unlock(&dev->mt76.mutex); 97 98 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { 99 ieee80211_stop_queues(hw); 100 mt76x2_set_channel(dev, &hw->conf.chandef); 101 ieee80211_wake_queues(hw); 102 } 103 104 return 0; 105 } 106 107 static void 108 mt76x2_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 109 u32 queues, bool drop) 110 { 111 } 112 113 static int mt76x2_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, 114 u32 rx_ant) 115 { 116 struct mt76x02_dev *dev = hw->priv; 117 118 if (!tx_ant || tx_ant > 3 || tx_ant != rx_ant) 119 return -EINVAL; 120 121 mutex_lock(&dev->mt76.mutex); 122 123 dev->mphy.chainmask = (tx_ant == 3) ? 0x202 : 0x101; 124 dev->mphy.antenna_mask = tx_ant; 125 126 mt76_set_stream_caps(&dev->mphy, true); 127 mt76x2_phy_set_antenna(dev); 128 129 mutex_unlock(&dev->mt76.mutex); 130 131 return 0; 132 } 133 134 const struct ieee80211_ops mt76x2_ops = { 135 .tx = mt76x02_tx, 136 .start = mt76x2_start, 137 .stop = mt76x2_stop, 138 .add_interface = mt76x02_add_interface, 139 .remove_interface = mt76x02_remove_interface, 140 .config = mt76x2_config, 141 .configure_filter = mt76x02_configure_filter, 142 .bss_info_changed = mt76x02_bss_info_changed, 143 .sta_state = mt76_sta_state, 144 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove, 145 .set_key = mt76x02_set_key, 146 .conf_tx = mt76x02_conf_tx, 147 .sw_scan_start = mt76_sw_scan, 148 .sw_scan_complete = mt76x02_sw_scan_complete, 149 .flush = mt76x2_flush, 150 .ampdu_action = mt76x02_ampdu_action, 151 .get_txpower = mt76_get_txpower, 152 .wake_tx_queue = mt76_wake_tx_queue, 153 .sta_rate_tbl_update = mt76x02_sta_rate_tbl_update, 154 .release_buffered_frames = mt76_release_buffered_frames, 155 .set_coverage_class = mt76x02_set_coverage_class, 156 .get_survey = mt76_get_survey, 157 .set_tim = mt76_set_tim, 158 .set_antenna = mt76x2_set_antenna, 159 .get_antenna = mt76_get_antenna, 160 .set_rts_threshold = mt76x02_set_rts_threshold, 161 .reconfig_complete = mt76x02_reconfig_complete, 162 .set_sar_specs = mt76x2_set_sar_specs, 163 }; 164 165