mt76/mt76x2/eeprom.h

0001 /* SPDX-License-Identifier: ISC */
0002 /*
0003  * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
0004  */
0005
0006 #ifndef __MT76x2_EEPROM_H
0007 #define __MT76x2_EEPROM_H
0008
0009 #include "../mt76x02_eeprom.h"
0010
0011 enum mt76x2_cal_channel_group {
0012     MT_CH_5G_JAPAN,
0013     MT_CH_5G_UNII_1,
0014     MT_CH_5G_UNII_2,
0015     MT_CH_5G_UNII_2E_1,
0016     MT_CH_5G_UNII_2E_2,
0017     MT_CH_5G_UNII_3,
0018     __MT_CH_MAX
0019 };
0020
0021 struct mt76x2_tx_power_info {
0022     u8 target_power;
0023
0024     s8 delta_bw40;
0025     s8 delta_bw80;
0026
0027     struct {
0028         s8 tssi_slope;
0029         s8 tssi_offset;
0030         s8 target_power;
0031         s8 delta;
0032     } chain[MT_MAX_CHAINS];
0033 };
0034
0035 struct mt76x2_temp_comp {
0036     u8 temp_25_ref;
0037     int lower_bound; /* J */
0038     int upper_bound; /* J */
0039     unsigned int high_slope; /* J / dB */
0040     unsigned int low_slope; /* J / dB */
0041 };
0042
0043 void mt76x2_get_rate_power(struct mt76x02_dev *dev, struct mt76_rate_power *t,
0044                struct ieee80211_channel *chan);
0045 void mt76x2_get_power_info(struct mt76x02_dev *dev,
0046                struct mt76x2_tx_power_info *t,
0047                struct ieee80211_channel *chan);
0048 int mt76x2_get_temp_comp(struct mt76x02_dev *dev, struct mt76x2_temp_comp *t);
0049 void mt76x2_read_rx_gain(struct mt76x02_dev *dev);
0050
0051 static inline bool
0052 mt76x2_has_ext_lna(struct mt76x02_dev *dev)
0053 {
0054     u32 val = mt76x02_eeprom_get(dev, MT_EE_NIC_CONF_1);
0055
0056     if (dev->mphy.chandef.chan->band == NL80211_BAND_2GHZ)
0057         return val & MT_EE_NIC_CONF_1_LNA_EXT_2G;
0058     else
0059         return val & MT_EE_NIC_CONF_1_LNA_EXT_5G;
0060 }
0061
0062 static inline bool
0063 mt76x2_temp_tx_alc_enabled(struct mt76x02_dev *dev)
0064 {
0065     u16 val;
0066
0067     val = mt76x02_eeprom_get(dev, MT_EE_TX_POWER_EXT_PA_5G);
0068     if (!(val & BIT(15)))
0069         return false;
0070
0071     return mt76x02_eeprom_get(dev, MT_EE_NIC_CONF_1) &
0072            MT_EE_NIC_CONF_1_TEMP_TX_ALC;
0073 }
0074
0075 static inline bool
0076 mt76x2_tssi_enabled(struct mt76x02_dev *dev)
0077 {
0078     return !mt76x2_temp_tx_alc_enabled(dev) &&
0079            (mt76x02_eeprom_get(dev, MT_EE_NIC_CONF_1) &
0080         MT_EE_NIC_CONF_1_TX_ALC_EN);
0081 }
0082
0083 #endif