diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt76x2/pci_main.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x2/pci_main.c | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2/pci_main.c b/drivers/net/wireless/mediatek/mt76/mt76x2/pci_main.c new file mode 100644 index 0000000..4971685 --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt76x2/pci_main.c @@ -0,0 +1,183 @@ +// SPDX-License-Identifier: ISC +/* + * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name> + */ + +#include "mt76x2.h" + +static int +mt76x2_start(struct ieee80211_hw *hw) +{ + struct mt76x02_dev *dev = hw->priv; + int ret; + + ret = mt76x2_mac_start(dev); + if (ret) + return ret; + + ret = mt76x2_phy_start(dev); + if (ret) + return ret; + + ieee80211_queue_delayed_work(mt76_hw(dev), &dev->mt76.mac_work, + MT_MAC_WORK_INTERVAL); + ieee80211_queue_delayed_work(mt76_hw(dev), &dev->wdt_work, + MT_WATCHDOG_TIME); + + set_bit(MT76_STATE_RUNNING, &dev->mt76.state); + return 0; +} + +static void +mt76x2_stop(struct ieee80211_hw *hw) +{ + struct mt76x02_dev *dev = hw->priv; + + clear_bit(MT76_STATE_RUNNING, &dev->mt76.state); + mt76x2_stop_hardware(dev); +} + +static int +mt76x2_set_channel(struct mt76x02_dev *dev, struct cfg80211_chan_def *chandef) +{ + int ret; + + cancel_delayed_work_sync(&dev->cal_work); + tasklet_disable(&dev->mt76.pre_tbtt_tasklet); + tasklet_disable(&dev->dfs_pd.dfs_tasklet); + + mutex_lock(&dev->mt76.mutex); + set_bit(MT76_RESET, &dev->mt76.state); + + mt76_set_channel(&dev->mt76); + + mt76x2_mac_stop(dev, true); + ret = mt76x2_phy_set_channel(dev, chandef); + + /* channel cycle counters read-and-clear */ + mt76_rr(dev, MT_CH_IDLE); + mt76_rr(dev, MT_CH_BUSY); + + mt76x02_dfs_init_params(dev); + + mt76x2_mac_resume(dev); + + clear_bit(MT76_RESET, &dev->mt76.state); + mutex_unlock(&dev->mt76.mutex); + + tasklet_enable(&dev->dfs_pd.dfs_tasklet); + tasklet_enable(&dev->mt76.pre_tbtt_tasklet); + + mt76_txq_schedule_all(&dev->mt76); + + return ret; +} + +static int +mt76x2_config(struct ieee80211_hw *hw, u32 changed) +{ + struct mt76x02_dev *dev = hw->priv; + int ret = 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) { + dev->mt76.txpower_conf = hw->conf.power_level * 2; + + /* convert to per-chain power for 2x2 devices */ + dev->mt76.txpower_conf -= 6; + + if (test_bit(MT76_STATE_RUNNING, &dev->mt76.state)) { + mt76x2_phy_set_txpower(dev); + mt76x02_tx_set_txpwr_auto(dev, dev->mt76.txpower_conf); + } + } + + mutex_unlock(&dev->mt76.mutex); + + if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { + ieee80211_stop_queues(hw); + ret = mt76x2_set_channel(dev, &hw->conf.chandef); + ieee80211_wake_queues(hw); + } + + return ret; +} + +static void +mt76x2_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + u32 queues, bool drop) +{ +} + +static int mt76x2_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, + u32 rx_ant) +{ + struct mt76x02_dev *dev = hw->priv; + + if (!tx_ant || tx_ant > 3 || tx_ant != rx_ant) + return -EINVAL; + + mutex_lock(&dev->mt76.mutex); + + dev->mt76.chainmask = (tx_ant == 3) ? 0x202 : 0x101; + dev->mt76.antenna_mask = tx_ant; + + mt76_set_stream_caps(&dev->mt76, true); + mt76x2_phy_set_antenna(dev); + + mutex_unlock(&dev->mt76.mutex); + + return 0; +} + +static int mt76x2_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, + u32 *rx_ant) +{ + struct mt76x02_dev *dev = hw->priv; + + mutex_lock(&dev->mt76.mutex); + *tx_ant = dev->mt76.antenna_mask; + *rx_ant = dev->mt76.antenna_mask; + mutex_unlock(&dev->mt76.mutex); + + return 0; +} + +const struct ieee80211_ops mt76x2_ops = { + .tx = mt76x02_tx, + .start = mt76x2_start, + .stop = mt76x2_stop, + .add_interface = mt76x02_add_interface, + .remove_interface = mt76x02_remove_interface, + .config = mt76x2_config, + .configure_filter = mt76x02_configure_filter, + .bss_info_changed = mt76x02_bss_info_changed, + .sta_state = mt76_sta_state, + .set_key = mt76x02_set_key, + .conf_tx = mt76x02_conf_tx, + .sw_scan_start = mt76_sw_scan, + .sw_scan_complete = mt76x02_sw_scan_complete, + .flush = mt76x2_flush, + .ampdu_action = mt76x02_ampdu_action, + .get_txpower = mt76_get_txpower, + .wake_tx_queue = mt76_wake_tx_queue, + .sta_rate_tbl_update = mt76x02_sta_rate_tbl_update, + .release_buffered_frames = mt76_release_buffered_frames, + .set_coverage_class = mt76x02_set_coverage_class, + .get_survey = mt76_get_survey, + .set_tim = mt76_set_tim, + .set_antenna = mt76x2_set_antenna, + .get_antenna = mt76x2_get_antenna, + .set_rts_threshold = mt76x02_set_rts_threshold, +}; + |