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 int ret; 14 15 mt76x02_mac_start(dev); 16 ret = mt76x2_phy_start(dev); 17 if (ret) 18 return ret; 19 20 ieee80211_queue_delayed_work(mt76_hw(dev), &dev->mt76.mac_work, 21 MT_MAC_WORK_INTERVAL); 22 ieee80211_queue_delayed_work(mt76_hw(dev), &dev->wdt_work, 23 MT_WATCHDOG_TIME); 24 25 set_bit(MT76_STATE_RUNNING, &dev->mphy.state); 26 return 0; 27 } 28 29 static void 30 mt76x2_stop(struct ieee80211_hw *hw) 31 { 32 struct mt76x02_dev *dev = hw->priv; 33 34 clear_bit(MT76_STATE_RUNNING, &dev->mphy.state); 35 mt76x2_stop_hardware(dev); 36 } 37 38 static int 39 mt76x2_set_channel(struct mt76x02_dev *dev, struct cfg80211_chan_def *chandef) 40 { 41 int ret; 42 43 cancel_delayed_work_sync(&dev->cal_work); 44 tasklet_disable(&dev->mt76.pre_tbtt_tasklet); 45 tasklet_disable(&dev->dfs_pd.dfs_tasklet); 46 47 mutex_lock(&dev->mt76.mutex); 48 set_bit(MT76_RESET, &dev->mphy.state); 49 50 mt76_set_channel(&dev->mphy); 51 52 mt76x2_mac_stop(dev, true); 53 ret = mt76x2_phy_set_channel(dev, chandef); 54 55 mt76x02_mac_cc_reset(dev); 56 mt76x02_dfs_init_params(dev); 57 58 mt76x2_mac_resume(dev); 59 60 clear_bit(MT76_RESET, &dev->mphy.state); 61 mutex_unlock(&dev->mt76.mutex); 62 63 tasklet_enable(&dev->dfs_pd.dfs_tasklet); 64 tasklet_enable(&dev->mt76.pre_tbtt_tasklet); 65 66 mt76_txq_schedule_all(&dev->mphy); 67 68 return ret; 69 } 70 71 static int 72 mt76x2_config(struct ieee80211_hw *hw, u32 changed) 73 { 74 struct mt76x02_dev *dev = hw->priv; 75 int ret = 0; 76 77 mutex_lock(&dev->mt76.mutex); 78 79 if (changed & IEEE80211_CONF_CHANGE_MONITOR) { 80 if (!(hw->conf.flags & IEEE80211_CONF_MONITOR)) 81 dev->mt76.rxfilter |= MT_RX_FILTR_CFG_PROMISC; 82 else 83 dev->mt76.rxfilter &= ~MT_RX_FILTR_CFG_PROMISC; 84 85 mt76_wr(dev, MT_RX_FILTR_CFG, dev->mt76.rxfilter); 86 } 87 88 if (changed & IEEE80211_CONF_CHANGE_POWER) { 89 dev->txpower_conf = hw->conf.power_level * 2; 90 91 /* convert to per-chain power for 2x2 devices */ 92 dev->txpower_conf -= 6; 93 94 if (test_bit(MT76_STATE_RUNNING, &dev->mphy.state)) { 95 mt76x2_phy_set_txpower(dev); 96 mt76x02_tx_set_txpwr_auto(dev, dev->txpower_conf); 97 } 98 } 99 100 mutex_unlock(&dev->mt76.mutex); 101 102 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { 103 ieee80211_stop_queues(hw); 104 ret = mt76x2_set_channel(dev, &hw->conf.chandef); 105 ieee80211_wake_queues(hw); 106 } 107 108 return ret; 109 } 110 111 static void 112 mt76x2_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 113 u32 queues, bool drop) 114 { 115 } 116 117 static int mt76x2_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, 118 u32 rx_ant) 119 { 120 struct mt76x02_dev *dev = hw->priv; 121 122 if (!tx_ant || tx_ant > 3 || tx_ant != rx_ant) 123 return -EINVAL; 124 125 mutex_lock(&dev->mt76.mutex); 126 127 dev->chainmask = (tx_ant == 3) ? 0x202 : 0x101; 128 dev->mphy.antenna_mask = tx_ant; 129 130 mt76_set_stream_caps(&dev->mt76, true); 131 mt76x2_phy_set_antenna(dev); 132 133 mutex_unlock(&dev->mt76.mutex); 134 135 return 0; 136 } 137 138 const struct ieee80211_ops mt76x2_ops = { 139 .tx = mt76x02_tx, 140 .start = mt76x2_start, 141 .stop = mt76x2_stop, 142 .add_interface = mt76x02_add_interface, 143 .remove_interface = mt76x02_remove_interface, 144 .config = mt76x2_config, 145 .configure_filter = mt76x02_configure_filter, 146 .bss_info_changed = mt76x02_bss_info_changed, 147 .sta_state = mt76_sta_state, 148 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove, 149 .set_key = mt76x02_set_key, 150 .conf_tx = mt76x02_conf_tx, 151 .sw_scan_start = mt76_sw_scan, 152 .sw_scan_complete = mt76x02_sw_scan_complete, 153 .flush = mt76x2_flush, 154 .ampdu_action = mt76x02_ampdu_action, 155 .get_txpower = mt76_get_txpower, 156 .wake_tx_queue = mt76_wake_tx_queue, 157 .sta_rate_tbl_update = mt76x02_sta_rate_tbl_update, 158 .release_buffered_frames = mt76_release_buffered_frames, 159 .set_coverage_class = mt76x02_set_coverage_class, 160 .get_survey = mt76_get_survey, 161 .set_tim = mt76_set_tim, 162 .set_antenna = mt76x2_set_antenna, 163 .get_antenna = mt76_get_antenna, 164 .set_rts_threshold = mt76x02_set_rts_threshold, 165 }; 166 167