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, bool suspend) 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 int mt76x2e_set_channel(struct mt76_phy *phy) 36 { 37 struct mt76x02_dev *dev = container_of(phy->dev, struct mt76x02_dev, mt76); 38 39 tasklet_disable(&dev->mt76.pre_tbtt_tasklet); 40 tasklet_disable(&dev->dfs_pd.dfs_tasklet); 41 42 mt76x2_mac_stop(dev, true); 43 mt76x2_phy_set_channel(dev, &phy->chandef); 44 45 mt76x02_mac_cc_reset(dev); 46 mt76x02_dfs_init_params(dev); 47 48 mt76x2_mac_resume(dev); 49 50 tasklet_enable(&dev->dfs_pd.dfs_tasklet); 51 tasklet_enable(&dev->mt76.pre_tbtt_tasklet); 52 53 return 0; 54 } 55 56 static int 57 mt76x2_config(struct ieee80211_hw *hw, u32 changed) 58 { 59 struct mt76x02_dev *dev = hw->priv; 60 61 mutex_lock(&dev->mt76.mutex); 62 63 if (changed & IEEE80211_CONF_CHANGE_MONITOR) { 64 if (!(hw->conf.flags & IEEE80211_CONF_MONITOR)) 65 dev->mt76.rxfilter |= MT_RX_FILTR_CFG_PROMISC; 66 else 67 dev->mt76.rxfilter &= ~MT_RX_FILTR_CFG_PROMISC; 68 69 mt76_wr(dev, MT_RX_FILTR_CFG, dev->mt76.rxfilter); 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 /* convert to per-chain power for 2x2 devices */ 80 dev->txpower_conf -= 6; 81 82 if (test_bit(MT76_STATE_RUNNING, &dev->mphy.state)) { 83 mt76x2_phy_set_txpower(dev); 84 mt76x02_tx_set_txpwr_auto(dev, dev->txpower_conf); 85 } 86 } 87 88 mutex_unlock(&dev->mt76.mutex); 89 90 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) 91 mt76_update_channel(&dev->mphy); 92 93 return 0; 94 } 95 96 static void 97 mt76x2_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 98 u32 queues, bool drop) 99 { 100 } 101 102 static int mt76x2_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, 103 u32 rx_ant) 104 { 105 struct mt76x02_dev *dev = hw->priv; 106 107 if (!tx_ant || tx_ant > 3 || tx_ant != rx_ant) 108 return -EINVAL; 109 110 mutex_lock(&dev->mt76.mutex); 111 112 dev->mphy.chainmask = (tx_ant == 3) ? 0x202 : 0x101; 113 dev->mphy.antenna_mask = tx_ant; 114 115 mt76_set_stream_caps(&dev->mphy, true); 116 mt76x2_phy_set_antenna(dev); 117 118 mutex_unlock(&dev->mt76.mutex); 119 120 return 0; 121 } 122 123 const struct ieee80211_ops mt76x2_ops = { 124 .add_chanctx = ieee80211_emulate_add_chanctx, 125 .remove_chanctx = ieee80211_emulate_remove_chanctx, 126 .change_chanctx = ieee80211_emulate_change_chanctx, 127 .switch_vif_chanctx = ieee80211_emulate_switch_vif_chanctx, 128 .tx = mt76x02_tx, 129 .start = mt76x2_start, 130 .stop = mt76x2_stop, 131 .add_interface = mt76x02_add_interface, 132 .remove_interface = mt76x02_remove_interface, 133 .config = mt76x2_config, 134 .configure_filter = mt76x02_configure_filter, 135 .bss_info_changed = mt76x02_bss_info_changed, 136 .sta_state = mt76_sta_state, 137 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove, 138 .set_key = mt76x02_set_key, 139 .conf_tx = mt76x02_conf_tx, 140 .sw_scan_start = mt76_sw_scan, 141 .sw_scan_complete = mt76x02_sw_scan_complete, 142 .flush = mt76x2_flush, 143 .ampdu_action = mt76x02_ampdu_action, 144 .get_txpower = mt76_get_txpower, 145 .wake_tx_queue = mt76_wake_tx_queue, 146 .sta_rate_tbl_update = mt76x02_sta_rate_tbl_update, 147 .release_buffered_frames = mt76_release_buffered_frames, 148 .set_coverage_class = mt76x02_set_coverage_class, 149 .get_survey = mt76_get_survey, 150 .set_tim = mt76_set_tim, 151 .set_antenna = mt76x2_set_antenna, 152 .get_antenna = mt76_get_antenna, 153 .set_rts_threshold = mt76x02_set_rts_threshold, 154 .reconfig_complete = mt76x02_reconfig_complete, 155 .set_sar_specs = mt76x2_set_sar_specs, 156 }; 157 158