drivers/net/wireless/mediatek/mt76/mt76x2/eeprom.h

   1 /* SPDX-License-Identifier: ISC */
   2 /*
   3  * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
   4  */
   5
   6 #ifndef __MT76x2_EEPROM_H
   7 #define __MT76x2_EEPROM_H
   8
   9 #include "../mt76x02_eeprom.h"
  10
  11 enum mt76x2_cal_channel_group {
  12         MT_CH_5G_JAPAN,
  13         MT_CH_5G_UNII_1,
  14         MT_CH_5G_UNII_2,
  15         MT_CH_5G_UNII_2E_1,
  16         MT_CH_5G_UNII_2E_2,
  17         MT_CH_5G_UNII_3,
  18         __MT_CH_MAX
  19 };
  20
  21 struct mt76x2_tx_power_info {
  22         u8 target_power;
  23
  24         s8 delta_bw40;
  25         s8 delta_bw80;
  26
  27         struct {
  28                 s8 tssi_slope;
  29                 s8 tssi_offset;
  30                 s8 target_power;
  31                 s8 delta;
  32         } chain[MT_MAX_CHAINS];
  33 };
  34
  35 struct mt76x2_temp_comp {
  36         u8 temp_25_ref;
  37         int lower_bound; /* J */
  38         int upper_bound; /* J */
  39         unsigned int high_slope; /* J / dB */
  40         unsigned int low_slope; /* J / dB */
  41 };
  42
  43 void mt76x2_get_rate_power(struct mt76x02_dev *dev, struct mt76_rate_power *t,
  44                            struct ieee80211_channel *chan);
  45 void mt76x2_get_power_info(struct mt76x02_dev *dev,
  46                            struct mt76x2_tx_power_info *t,
  47                            struct ieee80211_channel *chan);
  48 int mt76x2_get_temp_comp(struct mt76x02_dev *dev, struct mt76x2_temp_comp *t);
  49 void mt76x2_read_rx_gain(struct mt76x02_dev *dev);
  50
  51 static inline bool
  52 mt76x2_has_ext_lna(struct mt76x02_dev *dev)
  53 {
  54         u32 val = mt76x02_eeprom_get(dev, MT_EE_NIC_CONF_1);
  55
  56         if (dev->mt76.chandef.chan->band == NL80211_BAND_2GHZ)
  57                 return val & MT_EE_NIC_CONF_1_LNA_EXT_2G;
  58         else
  59                 return val & MT_EE_NIC_CONF_1_LNA_EXT_5G;
  60 }
  61
  62 static inline bool
  63 mt76x2_temp_tx_alc_enabled(struct mt76x02_dev *dev)
  64 {
  65         u16 val;
  66
  67         val = mt76x02_eeprom_get(dev, MT_EE_TX_POWER_EXT_PA_5G);
  68         if (!(val & BIT(15)))
  69                 return false;
  70
  71         return mt76x02_eeprom_get(dev, MT_EE_NIC_CONF_1) &
  72                MT_EE_NIC_CONF_1_TEMP_TX_ALC;
  73 }
  74
  75 static inline bool
  76 mt76x2_tssi_enabled(struct mt76x02_dev *dev)
  77 {
  78         return !mt76x2_temp_tx_alc_enabled(dev) &&
  79                (mt76x02_eeprom_get(dev, MT_EE_NIC_CONF_1) &
  80                 MT_EE_NIC_CONF_1_TX_ALC_EN);
  81 }
  82
  83 #endif