| developer | 0f312e8 | 2022-11-01 12:31:52 +0800 | [diff] [blame] | 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) |
| 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 | static int |
| 35 | mt76x2u_set_channel(struct mt76x02_dev *dev, |
| 36 | struct cfg80211_chan_def *chandef) |
| 37 | { |
| 38 | int err; |
| 39 | |
| 40 | cancel_delayed_work_sync(&dev->cal_work); |
| 41 | mt76x02_pre_tbtt_enable(dev, false); |
| 42 | |
| 43 | mutex_lock(&dev->mt76.mutex); |
| 44 | set_bit(MT76_RESET, &dev->mphy.state); |
| 45 | |
| 46 | mt76_set_channel(&dev->mphy); |
| 47 | |
| 48 | mt76x2_mac_stop(dev, false); |
| 49 | |
| 50 | err = mt76x2u_phy_set_channel(dev, chandef); |
| 51 | |
| 52 | mt76x02_mac_cc_reset(dev); |
| 53 | mt76x2_mac_resume(dev); |
| 54 | |
| 55 | clear_bit(MT76_RESET, &dev->mphy.state); |
| 56 | mutex_unlock(&dev->mt76.mutex); |
| 57 | |
| 58 | mt76x02_pre_tbtt_enable(dev, true); |
| 59 | mt76_txq_schedule_all(&dev->mphy); |
| 60 | |
| 61 | return err; |
| 62 | } |
| 63 | |
| 64 | static int |
| 65 | mt76x2u_config(struct ieee80211_hw *hw, u32 changed) |
| 66 | { |
| 67 | struct mt76x02_dev *dev = hw->priv; |
| 68 | int err = 0; |
| 69 | |
| 70 | mutex_lock(&dev->mt76.mutex); |
| 71 | |
| 72 | if (changed & IEEE80211_CONF_CHANGE_MONITOR) { |
| 73 | if (!(hw->conf.flags & IEEE80211_CONF_MONITOR)) |
| 74 | dev->mt76.rxfilter |= MT_RX_FILTR_CFG_PROMISC; |
| 75 | else |
| 76 | dev->mt76.rxfilter &= ~MT_RX_FILTR_CFG_PROMISC; |
| 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, &mphy->state)) |
| 91 | mt76x2_phy_set_txpower(dev); |
| 92 | } |
| 93 | |
| 94 | mutex_unlock(&dev->mt76.mutex); |
| 95 | |
| 96 | if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { |
| 97 | ieee80211_stop_queues(hw); |
| 98 | err = mt76x2u_set_channel(dev, &hw->conf.chandef); |
| 99 | ieee80211_wake_queues(hw); |
| 100 | } |
| 101 | |
| 102 | return err; |
| 103 | } |
| 104 | |
| 105 | const struct ieee80211_ops mt76x2u_ops = { |
| 106 | .tx = mt76x02_tx, |
| 107 | .start = mt76x2u_start, |
| 108 | .stop = mt76x2u_stop, |
| 109 | .add_interface = mt76x02_add_interface, |
| 110 | .remove_interface = mt76x02_remove_interface, |
| 111 | .sta_state = mt76_sta_state, |
| 112 | .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove, |
| 113 | .set_key = mt76x02_set_key, |
| 114 | .ampdu_action = mt76x02_ampdu_action, |
| 115 | .config = mt76x2u_config, |
| 116 | .wake_tx_queue = mt76_wake_tx_queue, |
| 117 | .bss_info_changed = mt76x02_bss_info_changed, |
| 118 | .configure_filter = mt76x02_configure_filter, |
| 119 | .conf_tx = mt76x02_conf_tx, |
| 120 | .sw_scan_start = mt76_sw_scan, |
| 121 | .sw_scan_complete = mt76x02_sw_scan_complete, |
| 122 | .sta_rate_tbl_update = mt76x02_sta_rate_tbl_update, |
| 123 | .get_txpower = mt76_get_txpower, |
| 124 | .get_survey = mt76_get_survey, |
| 125 | .set_tim = mt76_set_tim, |
| 126 | .release_buffered_frames = mt76_release_buffered_frames, |
| 127 | .get_antenna = mt76_get_antenna, |
| 128 | .set_sar_specs = mt76x2_set_sar_specs, |
| 129 | }; |