drivers/net/wireless/mediatek/mt76/mt76x02_eeprom.h

   1 /* SPDX-License-Identifier: ISC */
   2 /*
   3  * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
   4  * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
   5  */
   6
   7 #ifndef __MT76x02_EEPROM_H
   8 #define __MT76x02_EEPROM_H
   9
  10 #include "mt76x02.h"
  11
  12 enum mt76x02_eeprom_field {
  13         MT_EE_CHIP_ID =                         0x000,
  14         MT_EE_VERSION =                         0x002,
  15         MT_EE_MAC_ADDR =                        0x004,
  16         MT_EE_PCI_ID =                          0x00A,
  17         MT_EE_ANTENNA =                         0x022,
  18         MT_EE_CFG1_INIT =                       0x024,
  19         MT_EE_NIC_CONF_0 =                      0x034,
  20         MT_EE_NIC_CONF_1 =                      0x036,
  21         MT_EE_COUNTRY_REGION_5GHZ =             0x038,
  22         MT_EE_COUNTRY_REGION_2GHZ =             0x039,
  23         MT_EE_FREQ_OFFSET =                     0x03a,
  24         MT_EE_NIC_CONF_2 =                      0x042,
  25
  26         MT_EE_XTAL_TRIM_1 =                     0x03a,
  27         MT_EE_XTAL_TRIM_2 =                     0x09e,
  28
  29         MT_EE_LNA_GAIN =                        0x044,
  30         MT_EE_RSSI_OFFSET_2G_0 =                0x046,
  31         MT_EE_RSSI_OFFSET_2G_1 =                0x048,
  32         MT_EE_LNA_GAIN_5GHZ_1 =                 0x049,
  33         MT_EE_RSSI_OFFSET_5G_0 =                0x04a,
  34         MT_EE_RSSI_OFFSET_5G_1 =                0x04c,
  35         MT_EE_LNA_GAIN_5GHZ_2 =                 0x04d,
  36
  37         MT_EE_TX_POWER_DELTA_BW40 =             0x050,
  38         MT_EE_TX_POWER_DELTA_BW80 =             0x052,
  39
  40         MT_EE_TX_POWER_EXT_PA_5G =              0x054,
  41
  42         MT_EE_TX_POWER_0_START_2G =             0x056,
  43         MT_EE_TX_POWER_1_START_2G =             0x05c,
  44
  45         /* used as byte arrays */
  46 #define MT_TX_POWER_GROUP_SIZE_5G               5
  47 #define MT_TX_POWER_GROUPS_5G                   6
  48         MT_EE_TX_POWER_0_START_5G =             0x062,
  49         MT_EE_TSSI_SLOPE_2G =                   0x06e,
  50
  51         MT_EE_TX_POWER_0_GRP3_TX_POWER_DELTA =  0x074,
  52         MT_EE_TX_POWER_0_GRP4_TSSI_SLOPE =      0x076,
  53
  54         MT_EE_TX_POWER_1_START_5G =             0x080,
  55
  56         MT_EE_TX_POWER_CCK =                    0x0a0,
  57         MT_EE_TX_POWER_OFDM_2G_6M =             0x0a2,
  58         MT_EE_TX_POWER_OFDM_2G_24M =            0x0a4,
  59         MT_EE_TX_POWER_OFDM_5G_6M =             0x0b2,
  60         MT_EE_TX_POWER_OFDM_5G_24M =            0x0b4,
  61         MT_EE_TX_POWER_HT_MCS0 =                0x0a6,
  62         MT_EE_TX_POWER_HT_MCS4 =                0x0a8,
  63         MT_EE_TX_POWER_HT_MCS8 =                0x0aa,
  64         MT_EE_TX_POWER_HT_MCS12 =               0x0ac,
  65         MT_EE_TX_POWER_VHT_MCS8 =               0x0be,
  66
  67         MT_EE_2G_TARGET_POWER =                 0x0d0,
  68         MT_EE_TEMP_OFFSET =                     0x0d1,
  69         MT_EE_5G_TARGET_POWER =                 0x0d2,
  70         MT_EE_TSSI_BOUND1 =                     0x0d4,
  71         MT_EE_TSSI_BOUND2 =                     0x0d6,
  72         MT_EE_TSSI_BOUND3 =                     0x0d8,
  73         MT_EE_TSSI_BOUND4 =                     0x0da,
  74         MT_EE_FREQ_OFFSET_COMPENSATION =        0x0db,
  75         MT_EE_TSSI_BOUND5 =                     0x0dc,
  76         MT_EE_TX_POWER_BYRATE_BASE =            0x0de,
  77
  78         MT_EE_TSSI_SLOPE_5G =                   0x0f0,
  79         MT_EE_RF_TEMP_COMP_SLOPE_5G =           0x0f2,
  80         MT_EE_RF_TEMP_COMP_SLOPE_2G =           0x0f4,
  81
  82         MT_EE_RF_2G_TSSI_OFF_TXPOWER =          0x0f6,
  83         MT_EE_RF_2G_RX_HIGH_GAIN =              0x0f8,
  84         MT_EE_RF_5G_GRP0_1_RX_HIGH_GAIN =       0x0fa,
  85         MT_EE_RF_5G_GRP2_3_RX_HIGH_GAIN =       0x0fc,
  86         MT_EE_RF_5G_GRP4_5_RX_HIGH_GAIN =       0x0fe,
  87
  88         MT_EE_BT_RCAL_RESULT =                  0x138,
  89         MT_EE_BT_VCDL_CALIBRATION =             0x13c,
  90         MT_EE_BT_PMUCFG =                       0x13e,
  91
  92         MT_EE_USAGE_MAP_START =                 0x1e0,
  93         MT_EE_USAGE_MAP_END =                   0x1fc,
  94
  95         __MT_EE_MAX
  96 };
  97
  98 #define MT_EE_ANTENNA_DUAL                      BIT(15)
  99
 100 #define MT_EE_NIC_CONF_0_RX_PATH                GENMASK(3, 0)
 101 #define MT_EE_NIC_CONF_0_TX_PATH                GENMASK(7, 4)
 102 #define MT_EE_NIC_CONF_0_PA_TYPE                GENMASK(9, 8)
 103 #define MT_EE_NIC_CONF_0_PA_INT_2G              BIT(8)
 104 #define MT_EE_NIC_CONF_0_PA_INT_5G              BIT(9)
 105 #define MT_EE_NIC_CONF_0_PA_IO_CURRENT          BIT(10)
 106 #define MT_EE_NIC_CONF_0_BOARD_TYPE             GENMASK(13, 12)
 107
 108 #define MT_EE_NIC_CONF_1_HW_RF_CTRL             BIT(0)
 109 #define MT_EE_NIC_CONF_1_TEMP_TX_ALC            BIT(1)
 110 #define MT_EE_NIC_CONF_1_LNA_EXT_2G             BIT(2)
 111 #define MT_EE_NIC_CONF_1_LNA_EXT_5G             BIT(3)
 112 #define MT_EE_NIC_CONF_1_TX_ALC_EN              BIT(13)
 113
 114 #define MT_EE_NIC_CONF_2_ANT_OPT                BIT(3)
 115 #define MT_EE_NIC_CONF_2_ANT_DIV                BIT(4)
 116 #define MT_EE_NIC_CONF_2_XTAL_OPTION            GENMASK(10, 9)
 117
 118 #define MT_EFUSE_USAGE_MAP_SIZE                 (MT_EE_USAGE_MAP_END - \
 119                                                  MT_EE_USAGE_MAP_START + 1)
 120
 121 enum mt76x02_eeprom_modes {
 122         MT_EE_READ,
 123         MT_EE_PHYSICAL_READ,
 124 };
 125
 126 enum mt76x02_board_type {
 127         BOARD_TYPE_2GHZ = 1,
 128         BOARD_TYPE_5GHZ = 2,
 129 };
 130
 131 static inline bool mt76x02_field_valid(u8 val)
 132 {
 133         return val != 0 && val != 0xff;
 134 }
 135
 136 static inline int
 137 mt76x02_sign_extend(u32 val, unsigned int size)
 138 {
 139         bool sign = val & BIT(size - 1);
 140
 141         val &= BIT(size - 1) - 1;
 142
 143         return sign ? val : -val;
 144 }
 145
 146 static inline int
 147 mt76x02_sign_extend_optional(u32 val, unsigned int size)
 148 {
 149         bool enable = val & BIT(size);
 150
 151         return enable ? mt76x02_sign_extend(val, size) : 0;
 152 }
 153
 154 static inline s8 mt76x02_rate_power_val(u8 val)
 155 {
 156         if (!mt76x02_field_valid(val))
 157                 return 0;
 158
 159         return mt76x02_sign_extend_optional(val, 7);
 160 }
 161
 162 static inline int
 163 mt76x02_eeprom_get(struct mt76x02_dev *dev,
 164                    enum mt76x02_eeprom_field field)
 165 {
 166         if ((field & 1) || field >= __MT_EE_MAX)
 167                 return -1;
 168
 169         return get_unaligned_le16(dev->mt76.eeprom.data + field);
 170 }
 171
 172 bool mt76x02_ext_pa_enabled(struct mt76x02_dev *dev, enum nl80211_band band);
 173 int mt76x02_get_efuse_data(struct mt76x02_dev *dev, u16 base, void *buf,
 174                            int len, enum mt76x02_eeprom_modes mode);
 175 void mt76x02_get_rx_gain(struct mt76x02_dev *dev, enum nl80211_band band,
 176                          u16 *rssi_offset, s8 *lna_2g, s8 *lna_5g);
 177 u8 mt76x02_get_lna_gain(struct mt76x02_dev *dev,
 178                         s8 *lna_2g, s8 *lna_5g,
 179                         struct ieee80211_channel *chan);
 180 void mt76x02_eeprom_parse_hw_cap(struct mt76x02_dev *dev);
 181 int mt76x02_eeprom_copy(struct mt76x02_dev *dev,
 182                         enum mt76x02_eeprom_field field,
 183                         void *dest, int len);
 184
 185 #endif /* __MT76x02_EEPROM_H */