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
mt76x0_set_channel(struct mt76_phy * mphy)11 int mt76x0_set_channel(struct mt76_phy *mphy)
12 {
13 struct mt76x02_dev *dev = container_of(mphy->dev, struct mt76x02_dev, mt76);
14
15 mt76x02_pre_tbtt_enable(dev, false);
16 if (mt76_is_mmio(&dev->mt76))
17 tasklet_disable(&dev->dfs_pd.dfs_tasklet);
18
19 mt76x0_phy_set_channel(dev, &mphy->chandef);
20
21 mt76x02_mac_cc_reset(dev);
22 mt76x02_edcca_init(dev);
23
24 if (mt76_is_mmio(&dev->mt76)) {
25 mt76x02_dfs_init_params(dev);
26 tasklet_enable(&dev->dfs_pd.dfs_tasklet);
27 }
28 mt76x02_pre_tbtt_enable(dev, true);
29
30 return 0;
31 }
32 EXPORT_SYMBOL_GPL(mt76x0_set_channel);
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 if (changed & IEEE80211_CONF_CHANGE_CHANNEL)
65 mt76_update_channel(&dev->mphy);
66
67 mutex_lock(&dev->mt76.mutex);
68
69 if (changed & IEEE80211_CONF_CHANGE_POWER) {
70 struct mt76_phy *mphy = &dev->mphy;
71
72 dev->txpower_conf = hw->conf.power_level * 2;
73 dev->txpower_conf = mt76_get_sar_power(mphy,
74 mphy->chandef.chan,
75 dev->txpower_conf);
76 if (test_bit(MT76_STATE_RUNNING, &mphy->state))
77 mt76x0_phy_set_txpower(dev);
78 }
79
80 if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
81 if (!(hw->conf.flags & IEEE80211_CONF_MONITOR))
82 dev->mt76.rxfilter |= MT_RX_FILTR_CFG_PROMISC;
83 else
84 dev->mt76.rxfilter &= ~MT_RX_FILTR_CFG_PROMISC;
85
86 mt76_wr(dev, MT_RX_FILTR_CFG, dev->mt76.rxfilter);
87 }
88
89 mutex_unlock(&dev->mt76.mutex);
90
91 return 0;
92 }
93 EXPORT_SYMBOL_GPL(mt76x0_config);
94