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
mt76x0_set_channel(struct mt76x02_dev * dev,struct cfg80211_chan_def * chandef)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
mt76x0_set_sar_specs(struct ieee80211_hw * hw,const struct cfg80211_sar_specs * sar)34 int 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);
53 out:
54 mutex_unlock(&dev->mt76.mutex);
55
56 return err;
57 }
58 EXPORT_SYMBOL_GPL(mt76x0_set_sar_specs);
59
mt76x0_config(struct ieee80211_hw * hw,u32 changed)60 int 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 }
96 EXPORT_SYMBOL_GPL(mt76x0_config);
97