1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org>
4  * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl>
5  * Copyright (C) 2018 Stanislaw Gruszka <stf_xl@wp.pl>
6  */
7 
8 #include <linux/etherdevice.h>
9 #include "mt76x0.h"
10 
11 static void
12 mt76x0_set_channel(struct mt76x02_dev *dev, struct cfg80211_chan_def *chandef)
13 {
14 	cancel_delayed_work_sync(&dev->cal_work);
15 	mt76x02_pre_tbtt_enable(dev, false);
16 	if (mt76_is_mmio(&dev->mt76))
17 		tasklet_disable(&dev->dfs_pd.dfs_tasklet);
18 
19 	mt76_set_channel(&dev->mphy);
20 	mt76x0_phy_set_channel(dev, chandef);
21 
22 	mt76x02_mac_cc_reset(dev);
23 	mt76x02_edcca_init(dev);
24 
25 	if (mt76_is_mmio(&dev->mt76)) {
26 		mt76x02_dfs_init_params(dev);
27 		tasklet_enable(&dev->dfs_pd.dfs_tasklet);
28 	}
29 	mt76x02_pre_tbtt_enable(dev, true);
30 
31 	mt76_txq_schedule_all(&dev->mphy);
32 }
33 
34 int mt76x0_config(struct ieee80211_hw *hw, u32 changed)
35 {
36 	struct mt76x02_dev *dev = hw->priv;
37 
38 	mutex_lock(&dev->mt76.mutex);
39 
40 	if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
41 		ieee80211_stop_queues(hw);
42 		mt76x0_set_channel(dev, &hw->conf.chandef);
43 		ieee80211_wake_queues(hw);
44 	}
45 
46 	if (changed & IEEE80211_CONF_CHANGE_POWER) {
47 		dev->txpower_conf = hw->conf.power_level * 2;
48 
49 		if (test_bit(MT76_STATE_RUNNING, &dev->mphy.state))
50 			mt76x0_phy_set_txpower(dev);
51 	}
52 
53 	if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
54 		if (!(hw->conf.flags & IEEE80211_CONF_MONITOR))
55 			dev->mt76.rxfilter |= MT_RX_FILTR_CFG_PROMISC;
56 		else
57 			dev->mt76.rxfilter &= ~MT_RX_FILTR_CFG_PROMISC;
58 
59 		mt76_wr(dev, MT_RX_FILTR_CFG, dev->mt76.rxfilter);
60 	}
61 
62 	mutex_unlock(&dev->mt76.mutex);
63 
64 	return 0;
65 }
66 EXPORT_SYMBOL_GPL(mt76x0_config);
67