| developer | b11a539 | 2022-03-31 00:34:47 +0800 | [diff] [blame] | 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_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 | |
| 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); |