// SPDX-License-Identifier: BSD-3-Clause-Clear
/*
 * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
 */

#include "mt76x2.h"
#include "../mt76x02_mac.h"

static int
mt76x2_start(struct ieee80211_hw *hw)
{
        struct mt76x02_dev *dev = hw->priv;

        mt76x02_mac_start(dev);
        mt76x2_phy_start(dev);

        ieee80211_queue_delayed_work(mt76_hw(dev), &dev->mphy.mac_work,
                                     MT_MAC_WORK_INTERVAL);
        ieee80211_queue_delayed_work(mt76_hw(dev), &dev->wdt_work,
                                     MT_WATCHDOG_TIME);

        set_bit(MT76_STATE_RUNNING, &dev->mphy.state);
        return 0;
}

static void
mt76x2_stop(struct ieee80211_hw *hw, bool suspend)
{
        struct mt76x02_dev *dev = hw->priv;

        clear_bit(MT76_STATE_RUNNING, &dev->mphy.state);
        mt76x2_stop_hardware(dev);
}

int mt76x2e_set_channel(struct mt76_phy *phy)
{
        struct mt76x02_dev *dev = container_of(phy->dev, struct mt76x02_dev, mt76);

        tasklet_disable(&dev->mt76.pre_tbtt_tasklet);
        tasklet_disable(&dev->dfs_pd.dfs_tasklet);

        mt76x2_mac_stop(dev, true);
        mt76x2_phy_set_channel(dev, &phy->chandef);

        mt76x02_mac_cc_reset(dev);
        mt76x02_dfs_init_params(dev);

        mt76x2_mac_resume(dev);

        tasklet_enable(&dev->dfs_pd.dfs_tasklet);
        tasklet_enable(&dev->mt76.pre_tbtt_tasklet);

        return 0;
}

static int
mt76x2_config(struct ieee80211_hw *hw, int radio_idx, u32 changed)
{
        struct mt76x02_dev *dev = hw->priv;

        mutex_lock(&dev->mt76.mutex);

        if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
                if (!(hw->conf.flags & IEEE80211_CONF_MONITOR))
                        dev->mt76.rxfilter |= MT_RX_FILTR_CFG_PROMISC;
                else
                        dev->mt76.rxfilter &= ~MT_RX_FILTR_CFG_PROMISC;

                mt76_wr(dev, MT_RX_FILTR_CFG, dev->mt76.rxfilter);
        }

        if (changed & IEEE80211_CONF_CHANGE_POWER) {
                struct mt76_phy *mphy = &dev->mphy;

                dev->txpower_conf = hw->conf.power_level * 2;
                dev->txpower_conf = mt76_get_sar_power(mphy,
                                                       mphy->chandef.chan,
                                                       dev->txpower_conf);
                /* convert to per-chain power for 2x2 devices */
                dev->txpower_conf -= 6;

                if (test_bit(MT76_STATE_RUNNING, &dev->mphy.state)) {
                        mt76x2_phy_set_txpower(dev);
                        mt76x02_tx_set_txpwr_auto(dev, dev->txpower_conf);
                }
        }

        mutex_unlock(&dev->mt76.mutex);

        if (changed & IEEE80211_CONF_CHANGE_CHANNEL)
                mt76_update_channel(&dev->mphy);

        return 0;
}

static void
mt76x2_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
             u32 queues, bool drop)
{
}

static int mt76x2_set_antenna(struct ieee80211_hw *hw, int radio_idx,
                              u32 tx_ant, u32 rx_ant)
{
        struct mt76x02_dev *dev = hw->priv;

        if (!tx_ant || tx_ant > 3 || tx_ant != rx_ant)
                return -EINVAL;

        mutex_lock(&dev->mt76.mutex);

        dev->mphy.chainmask = (tx_ant == 3) ? 0x202 : 0x101;
        dev->mphy.antenna_mask = tx_ant;

        mt76_set_stream_caps(&dev->mphy, true);
        mt76x2_phy_set_antenna(dev);

        mutex_unlock(&dev->mt76.mutex);

        return 0;
}

const struct ieee80211_ops mt76x2_ops = {
        .add_chanctx = ieee80211_emulate_add_chanctx,
        .remove_chanctx = ieee80211_emulate_remove_chanctx,
        .change_chanctx = ieee80211_emulate_change_chanctx,
        .switch_vif_chanctx = ieee80211_emulate_switch_vif_chanctx,
        .tx = mt76x02_tx,
        .start = mt76x2_start,
        .stop = mt76x2_stop,
        .add_interface = mt76x02_add_interface,
        .remove_interface = mt76x02_remove_interface,
        .config = mt76x2_config,
        .configure_filter = mt76x02_configure_filter,
        .bss_info_changed = mt76x02_bss_info_changed,
        .sta_state = mt76_sta_state,
        .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove,
        .set_key = mt76x02_set_key,
        .conf_tx = mt76x02_conf_tx,
        .sw_scan_start = mt76_sw_scan,
        .sw_scan_complete = mt76x02_sw_scan_complete,
        .flush = mt76x2_flush,
        .ampdu_action = mt76x02_ampdu_action,
        .get_txpower = mt76_get_txpower,
        .wake_tx_queue = mt76_wake_tx_queue,
        .sta_rate_tbl_update = mt76x02_sta_rate_tbl_update,
        .release_buffered_frames = mt76_release_buffered_frames,
        .set_coverage_class = mt76x02_set_coverage_class,
        .get_survey = mt76_get_survey,
        .set_tim = mt76_set_tim,
        .set_antenna = mt76x2_set_antenna,
        .get_antenna = mt76_get_antenna,
        .set_rts_threshold = mt76x02_set_rts_threshold,
        .reconfig_complete = mt76x02_reconfig_complete,
        .set_sar_specs = mt76x2_set_sar_specs,
};