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freebsd
GitHub Repository: freebsd/freebsd-src
 Path: blob/main/sys/contrib/dev/mediatek/mt76/mt76x2/usb_main.c
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// SPDX-License-Identifier: ISC

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/*

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 * Copyright (C) 2018 Lorenzo Bianconi <[email protected]>

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 */

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#include "mt76x2u.h"

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#include "../mt76x02_usb.h"

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static int mt76x2u_start(struct ieee80211_hw *hw)

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{

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	struct mt76x02_dev *dev = hw->priv;

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	int ret;

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	ret = mt76x02u_mac_start(dev);

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	if (ret)

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		return ret;

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	ieee80211_queue_delayed_work(mt76_hw(dev), &dev->mphy.mac_work,

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				     MT_MAC_WORK_INTERVAL);

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	set_bit(MT76_STATE_RUNNING, &dev->mphy.state);

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	return 0;

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}

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static void mt76x2u_stop(struct ieee80211_hw *hw, bool suspend)

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{

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	struct mt76x02_dev *dev = hw->priv;

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	clear_bit(MT76_STATE_RUNNING, &dev->mphy.state);

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	mt76u_stop_tx(&dev->mt76);

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	mt76x2u_stop_hw(dev);

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}

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int mt76x2u_set_channel(struct mt76_phy *mphy)

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{

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	struct mt76x02_dev *dev = container_of(mphy->dev, struct mt76x02_dev, mt76);

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	int err;

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	mt76x02_pre_tbtt_enable(dev, false);

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	mt76x2_mac_stop(dev, false);

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	err = mt76x2u_phy_set_channel(dev, &mphy->chandef);

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	mt76x02_mac_cc_reset(dev);

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	mt76x2_mac_resume(dev);

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	mt76x02_pre_tbtt_enable(dev, true);

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	return err;

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}

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static int

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mt76x2u_config(struct ieee80211_hw *hw, int radio_idx, u32 changed)

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{

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	struct mt76x02_dev *dev = hw->priv;

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	int err = 0;

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	mutex_lock(&dev->mt76.mutex);

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	if (changed & IEEE80211_CONF_CHANGE_MONITOR) {

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		if (!(hw->conf.flags & IEEE80211_CONF_MONITOR))

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			dev->mt76.rxfilter |= MT_RX_FILTR_CFG_PROMISC;

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		else

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			dev->mt76.rxfilter &= ~MT_RX_FILTR_CFG_PROMISC;

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		mt76_wr(dev, MT_RX_FILTR_CFG, dev->mt76.rxfilter);

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	}

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	if (changed & IEEE80211_CONF_CHANGE_POWER) {

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		struct mt76_phy *mphy = &dev->mphy;

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		dev->txpower_conf = hw->conf.power_level * 2;

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		dev->txpower_conf = mt76_get_sar_power(mphy,

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						       mphy->chandef.chan,

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						       dev->txpower_conf);

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		/* convert to per-chain power for 2x2 devices */

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		dev->txpower_conf -= 6;

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		if (test_bit(MT76_STATE_RUNNING, &mphy->state))

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			mt76x2_phy_set_txpower(dev);

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	}

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	mutex_unlock(&dev->mt76.mutex);

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	if (changed & IEEE80211_CONF_CHANGE_CHANNEL)

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		mt76_update_channel(&dev->mphy);

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	return err;

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}

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const struct ieee80211_ops mt76x2u_ops = {

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	.add_chanctx = ieee80211_emulate_add_chanctx,

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	.remove_chanctx = ieee80211_emulate_remove_chanctx,

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	.change_chanctx = ieee80211_emulate_change_chanctx,

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	.switch_vif_chanctx = ieee80211_emulate_switch_vif_chanctx,

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	.tx = mt76x02_tx,

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	.start = mt76x2u_start,

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	.stop = mt76x2u_stop,

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	.add_interface = mt76x02_add_interface,

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	.remove_interface = mt76x02_remove_interface,

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	.sta_state = mt76_sta_state,

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	.sta_pre_rcu_remove = mt76_sta_pre_rcu_remove,

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	.set_key = mt76x02_set_key,

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	.ampdu_action = mt76x02_ampdu_action,

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	.config = mt76x2u_config,

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	.wake_tx_queue = mt76_wake_tx_queue,

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	.bss_info_changed = mt76x02_bss_info_changed,

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	.configure_filter = mt76x02_configure_filter,

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	.conf_tx = mt76x02_conf_tx,

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	.sw_scan_start = mt76_sw_scan,

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	.sw_scan_complete = mt76x02_sw_scan_complete,

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	.sta_rate_tbl_update = mt76x02_sta_rate_tbl_update,

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	.get_txpower = mt76_get_txpower,

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	.get_survey = mt76_get_survey,

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	.set_tim = mt76_set_tim,

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	.release_buffered_frames = mt76_release_buffered_frames,

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	.get_antenna = mt76_get_antenna,

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	.set_sar_specs = mt76x2_set_sar_specs,

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};

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