root/drivers/net/wireless/mediatek/mt76/mt76x2/eeprom.h
/* SPDX-License-Identifier: BSD-3-Clause-Clear */
/*
 * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
 */

#ifndef __MT76x2_EEPROM_H
#define __MT76x2_EEPROM_H

#include "../mt76x02_eeprom.h"

enum mt76x2_cal_channel_group {
        MT_CH_5G_JAPAN,
        MT_CH_5G_UNII_1,
        MT_CH_5G_UNII_2,
        MT_CH_5G_UNII_2E_1,
        MT_CH_5G_UNII_2E_2,
        MT_CH_5G_UNII_3,
        __MT_CH_MAX
};

struct mt76x2_tx_power_info {
        u8 target_power;

        s8 delta_bw40;
        s8 delta_bw80;

        struct {
                s8 tssi_slope;
                s8 tssi_offset;
                s8 target_power;
                s8 delta;
        } chain[MT_MAX_CHAINS];
};

struct mt76x2_temp_comp {
        u8 temp_25_ref;
        int lower_bound; /* J */
        int upper_bound; /* J */
        unsigned int high_slope; /* J / dB */
        unsigned int low_slope; /* J / dB */
};

void mt76x2_get_rate_power(struct mt76x02_dev *dev, struct mt76x02_rate_power *t,
                           struct ieee80211_channel *chan);
void mt76x2_get_power_info(struct mt76x02_dev *dev,
                           struct mt76x2_tx_power_info *t,
                           struct ieee80211_channel *chan);
int mt76x2_get_temp_comp(struct mt76x02_dev *dev, struct mt76x2_temp_comp *t);
void mt76x2_read_rx_gain(struct mt76x02_dev *dev);

static inline bool
mt76x2_has_ext_lna(struct mt76x02_dev *dev)
{
        u32 val = mt76x02_eeprom_get(dev, MT_EE_NIC_CONF_1);

        if (dev->mphy.chandef.chan->band == NL80211_BAND_2GHZ)
                return val & MT_EE_NIC_CONF_1_LNA_EXT_2G;
        else
                return val & MT_EE_NIC_CONF_1_LNA_EXT_5G;
}

static inline bool
mt76x2_temp_tx_alc_enabled(struct mt76x02_dev *dev)
{
        u16 val;

        val = mt76x02_eeprom_get(dev, MT_EE_TX_POWER_EXT_PA_5G);
        if (!(val & BIT(15)))
                return false;

        return mt76x02_eeprom_get(dev, MT_EE_NIC_CONF_1) &
               MT_EE_NIC_CONF_1_TEMP_TX_ALC;
}

static inline bool
mt76x2_tssi_enabled(struct mt76x02_dev *dev)
{
        return !mt76x2_temp_tx_alc_enabled(dev) &&
               (mt76x02_eeprom_get(dev, MT_EE_NIC_CONF_1) &
                MT_EE_NIC_CONF_1_TX_ALC_EN);
}

#endif