usb_main.c

  1// SPDX-License-Identifier: BSD-3-Clause-Clear
  2/*
  3 * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
  4 */
  5
  6#include "mt76x2u.h"
  7#include "../mt76x02_usb.h"
  8
  9static 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
 25static void mt76x2u_stop(struct ieee80211_hw *hw, bool suspend)
 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
 34int mt76x2u_set_channel(struct mt76_phy *mphy)
 35{
 36	struct mt76x02_dev *dev = container_of(mphy->dev, struct mt76x02_dev, mt76);
 37	int err;
 38
 39	mt76x02_pre_tbtt_enable(dev, false);
 40	mt76x2_mac_stop(dev, false);
 41
 42	err = mt76x2u_phy_set_channel(dev, &mphy->chandef);
 43
 44	mt76x02_mac_cc_reset(dev);
 45	mt76x2_mac_resume(dev);
 46
 47	mt76x02_pre_tbtt_enable(dev, true);
 48
 49	return err;
 50}
 51
 52static int
 53mt76x2u_config(struct ieee80211_hw *hw, int radio_idx, u32 changed)
 54{
 55	struct mt76x02_dev *dev = hw->priv;
 56	int err = 0;
 57
 58	mutex_lock(&dev->mt76.mutex);
 59
 60	if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
 61		if (!(hw->conf.flags & IEEE80211_CONF_MONITOR))
 62			dev->mt76.rxfilter |= MT_RX_FILTR_CFG_PROMISC;
 63		else
 64			dev->mt76.rxfilter &= ~MT_RX_FILTR_CFG_PROMISC;
 65		mt76_wr(dev, MT_RX_FILTR_CFG, dev->mt76.rxfilter);
 66	}
 67
 68	if (changed & IEEE80211_CONF_CHANGE_POWER) {
 69		struct mt76_phy *mphy = &dev->mphy;
 70
 71		dev->txpower_conf = hw->conf.power_level * 2;
 72		dev->txpower_conf = mt76_get_sar_power(mphy,
 73						       mphy->chandef.chan,
 74						       dev->txpower_conf);
 75		/* convert to per-chain power for 2x2 devices */
 76		dev->txpower_conf -= 6;
 77
 78		if (test_bit(MT76_STATE_RUNNING, &mphy->state))
 79			mt76x2_phy_set_txpower(dev);
 80	}
 81
 82	mutex_unlock(&dev->mt76.mutex);
 83
 84	if (changed & IEEE80211_CONF_CHANGE_CHANNEL)
 85		mt76_update_channel(&dev->mphy);
 86
 87	return err;
 88}
 89
 90const struct ieee80211_ops mt76x2u_ops = {
 91	.add_chanctx = ieee80211_emulate_add_chanctx,
 92	.remove_chanctx = ieee80211_emulate_remove_chanctx,
 93	.change_chanctx = ieee80211_emulate_change_chanctx,
 94	.switch_vif_chanctx = ieee80211_emulate_switch_vif_chanctx,
 95	.tx = mt76x02_tx,
 96	.start = mt76x2u_start,
 97	.stop = mt76x2u_stop,
 98	.add_interface = mt76x02_add_interface,
 99	.remove_interface = mt76x02_remove_interface,
100	.sta_state = mt76_sta_state,
101	.sta_pre_rcu_remove = mt76_sta_pre_rcu_remove,
102	.set_key = mt76x02_set_key,
103	.ampdu_action = mt76x02_ampdu_action,
104	.config = mt76x2u_config,
105	.wake_tx_queue = mt76_wake_tx_queue,
106	.bss_info_changed = mt76x02_bss_info_changed,
107	.configure_filter = mt76x02_configure_filter,
108	.conf_tx = mt76x02_conf_tx,
109	.sw_scan_start = mt76_sw_scan,
110	.sw_scan_complete = mt76x02_sw_scan_complete,
111	.sta_rate_tbl_update = mt76x02_sta_rate_tbl_update,
112	.get_txpower = mt76_get_txpower,
113	.get_survey = mt76_get_survey,
114	.set_tim = mt76_set_tim,
115	.release_buffered_frames = mt76_release_buffered_frames,
116	.get_antenna = mt76_get_antenna,
117	.set_sar_specs = mt76x2_set_sar_specs,
118};