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
11static void
12mt76x0_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
34int mt76x0_set_sar_specs(struct ieee80211_hw *hw,
35			 const struct cfg80211_sar_specs *sar)
36{
37	int err = -EINVAL, power = hw->conf.power_level * 2;
38	struct mt76x02_dev *dev = hw->priv;
39	struct mt76_phy *mphy = &dev->mphy;
40
41	mutex_lock(&dev->mt76.mutex);
42	if (!cfg80211_chandef_valid(&mphy->chandef))
43		goto out;
44
45	err = mt76_init_sar_power(hw, sar);
46	if (err)
47		goto out;
48
49	dev->txpower_conf = mt76_get_sar_power(mphy, mphy->chandef.chan,
50					       power);
51	if (test_bit(MT76_STATE_RUNNING, &mphy->state))
52		mt76x0_phy_set_txpower(dev);
53out:
54	mutex_unlock(&dev->mt76.mutex);
55
56	return err;
57}
58EXPORT_SYMBOL_GPL(mt76x0_set_sar_specs);
59
60int mt76x0_config(struct ieee80211_hw *hw, u32 changed)
61{
62	struct mt76x02_dev *dev = hw->priv;
63
64	mutex_lock(&dev->mt76.mutex);
65
66	if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
67		ieee80211_stop_queues(hw);
68		mt76x0_set_channel(dev, &hw->conf.chandef);
69		ieee80211_wake_queues(hw);
70	}
71
72	if (changed & IEEE80211_CONF_CHANGE_POWER) {
73		struct mt76_phy *mphy = &dev->mphy;
74
75		dev->txpower_conf = hw->conf.power_level * 2;
76		dev->txpower_conf = mt76_get_sar_power(mphy,
77						       mphy->chandef.chan,
78						       dev->txpower_conf);
79		if (test_bit(MT76_STATE_RUNNING, &mphy->state))
80			mt76x0_phy_set_txpower(dev);
81	}
82
83	if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
84		if (!(hw->conf.flags & IEEE80211_CONF_MONITOR))
85			dev->mt76.rxfilter |= MT_RX_FILTR_CFG_PROMISC;
86		else
87			dev->mt76.rxfilter &= ~MT_RX_FILTR_CFG_PROMISC;
88
89		mt76_wr(dev, MT_RX_FILTR_CFG, dev->mt76.rxfilter);
90	}
91
92	mutex_unlock(&dev->mt76.mutex);
93
94	return 0;
95}
96EXPORT_SYMBOL_GPL(mt76x0_config);
97