diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt76x2/usb_main.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x2/usb_main.c | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2/usb_main.c b/drivers/net/wireless/mediatek/mt76/mt76x2/usb_main.c new file mode 100644 index 000000000..ac07ed1f6 --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt76x2/usb_main.c @@ -0,0 +1,129 @@ +// SPDX-License-Identifier: ISC +/* + * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com> + */ + +#include "mt76x2u.h" +#include "../mt76x02_usb.h" + +static int mt76x2u_start(struct ieee80211_hw *hw) +{ + struct mt76x02_dev *dev = hw->priv; + int ret; + + ret = mt76x02u_mac_start(dev); + if (ret) + return ret; + + ieee80211_queue_delayed_work(mt76_hw(dev), &dev->mphy.mac_work, + MT_MAC_WORK_INTERVAL); + set_bit(MT76_STATE_RUNNING, &dev->mphy.state); + + return 0; +} + +static void mt76x2u_stop(struct ieee80211_hw *hw) +{ + struct mt76x02_dev *dev = hw->priv; + + clear_bit(MT76_STATE_RUNNING, &dev->mphy.state); + mt76u_stop_tx(&dev->mt76); + mt76x2u_stop_hw(dev); +} + +static int +mt76x2u_set_channel(struct mt76x02_dev *dev, + struct cfg80211_chan_def *chandef) +{ + int err; + + cancel_delayed_work_sync(&dev->cal_work); + mt76x02_pre_tbtt_enable(dev, false); + + mutex_lock(&dev->mt76.mutex); + set_bit(MT76_RESET, &dev->mphy.state); + + mt76_set_channel(&dev->mphy); + + mt76x2_mac_stop(dev, false); + + err = mt76x2u_phy_set_channel(dev, chandef); + + mt76x02_mac_cc_reset(dev); + mt76x2_mac_resume(dev); + + clear_bit(MT76_RESET, &dev->mphy.state); + mutex_unlock(&dev->mt76.mutex); + + mt76x02_pre_tbtt_enable(dev, true); + mt76_txq_schedule_all(&dev->mphy); + + return err; +} + +static int +mt76x2u_config(struct ieee80211_hw *hw, u32 changed) +{ + struct mt76x02_dev *dev = hw->priv; + int err = 0; + + mutex_lock(&dev->mt76.mutex); + + if (changed & IEEE80211_CONF_CHANGE_MONITOR) { + if (!(hw->conf.flags & IEEE80211_CONF_MONITOR)) + dev->mt76.rxfilter |= MT_RX_FILTR_CFG_PROMISC; + else + dev->mt76.rxfilter &= ~MT_RX_FILTR_CFG_PROMISC; + mt76_wr(dev, MT_RX_FILTR_CFG, dev->mt76.rxfilter); + } + + if (changed & IEEE80211_CONF_CHANGE_POWER) { + struct mt76_phy *mphy = &dev->mphy; + + dev->txpower_conf = hw->conf.power_level * 2; + dev->txpower_conf = mt76_get_sar_power(mphy, + mphy->chandef.chan, + dev->txpower_conf); + /* convert to per-chain power for 2x2 devices */ + dev->txpower_conf -= 6; + + if (test_bit(MT76_STATE_RUNNING, &mphy->state)) + mt76x2_phy_set_txpower(dev); + } + + mutex_unlock(&dev->mt76.mutex); + + if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { + ieee80211_stop_queues(hw); + err = mt76x2u_set_channel(dev, &hw->conf.chandef); + ieee80211_wake_queues(hw); + } + + return err; +} + +const struct ieee80211_ops mt76x2u_ops = { + .tx = mt76x02_tx, + .start = mt76x2u_start, + .stop = mt76x2u_stop, + .add_interface = mt76x02_add_interface, + .remove_interface = mt76x02_remove_interface, + .sta_state = mt76_sta_state, + .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove, + .set_key = mt76x02_set_key, + .ampdu_action = mt76x02_ampdu_action, + .config = mt76x2u_config, + .wake_tx_queue = mt76_wake_tx_queue, + .bss_info_changed = mt76x02_bss_info_changed, + .configure_filter = mt76x02_configure_filter, + .conf_tx = mt76x02_conf_tx, + .sw_scan_start = mt76_sw_scan, + .sw_scan_complete = mt76x02_sw_scan_complete, + .sta_rate_tbl_update = mt76x02_sta_rate_tbl_update, + .get_txpower = mt76_get_txpower, + .get_survey = mt76_get_survey, + .set_tim = mt76_set_tim, + .release_buffered_frames = mt76_release_buffered_frames, + .get_antenna = mt76_get_antenna, + .set_sar_specs = mt76x2_set_sar_specs, +}; |