LXR linux/drivers/net/wireless/mediatek/mt76/mt76x0/main.c

   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->mt76);
  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->mt76);
  32}
  33
  34int 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->mt76.txpower_conf = hw->conf.power_level * 2;
  48
  49                if (test_bit(MT76_STATE_RUNNING, &dev->mt76.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}
  66EXPORT_SYMBOL_GPL(mt76x0_config);
  67