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

   1 /*
   2  * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
   3  * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
   4  *
   5  * Permission to use, copy, modify, and/or distribute this software for any
   6  * purpose with or without fee is hereby granted, provided that the above
   7  * copyright notice and this permission notice appear in all copies.
   8  *
   9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  16  */
  17
  18 #ifndef __MT76x02_EEPROM_H
  19 #define __MT76x02_EEPROM_H
  20
  21 #include "mt76x02.h"
  22
  23 enum mt76x02_eeprom_field {
  24         MT_EE_CHIP_ID =                         0x000,
  25         MT_EE_VERSION =                         0x002,
  26         MT_EE_MAC_ADDR =                        0x004,
  27         MT_EE_PCI_ID =                          0x00A,
  28         MT_EE_ANTENNA =                         0x022,
  29         MT_EE_NIC_CONF_0 =                      0x034,
  30         MT_EE_NIC_CONF_1 =                      0x036,
  31         MT_EE_COUNTRY_REGION_5GHZ =             0x038,
  32         MT_EE_COUNTRY_REGION_2GHZ =             0x039,
  33         MT_EE_FREQ_OFFSET =                     0x03a,
  34         MT_EE_NIC_CONF_2 =                      0x042,
  35
  36         MT_EE_XTAL_TRIM_1 =                     0x03a,
  37         MT_EE_XTAL_TRIM_2 =                     0x09e,
  38
  39         MT_EE_LNA_GAIN =                        0x044,
  40         MT_EE_RSSI_OFFSET_2G_0 =                0x046,
  41         MT_EE_RSSI_OFFSET_2G_1 =                0x048,
  42         MT_EE_LNA_GAIN_5GHZ_1 =                 0x049,
  43         MT_EE_RSSI_OFFSET_5G_0 =                0x04a,
  44         MT_EE_RSSI_OFFSET_5G_1 =                0x04c,
  45         MT_EE_LNA_GAIN_5GHZ_2 =                 0x04d,
  46
  47         MT_EE_TX_POWER_DELTA_BW40 =             0x050,
  48         MT_EE_TX_POWER_DELTA_BW80 =             0x052,
  49
  50         MT_EE_TX_POWER_EXT_PA_5G =              0x054,
  51
  52         MT_EE_TX_POWER_0_START_2G =             0x056,
  53         MT_EE_TX_POWER_1_START_2G =             0x05c,
  54
  55         /* used as byte arrays */
  56 #define MT_TX_POWER_GROUP_SIZE_5G               5
  57 #define MT_TX_POWER_GROUPS_5G                   6
  58         MT_EE_TX_POWER_0_START_5G =             0x062,
  59         MT_EE_TSSI_SLOPE_2G =                   0x06e,
  60
  61         MT_EE_TX_POWER_0_GRP3_TX_POWER_DELTA =  0x074,
  62         MT_EE_TX_POWER_0_GRP4_TSSI_SLOPE =      0x076,
  63
  64         MT_EE_TX_POWER_1_START_5G =             0x080,
  65
  66         MT_EE_TX_POWER_CCK =                    0x0a0,
  67         MT_EE_TX_POWER_OFDM_2G_6M =             0x0a2,
  68         MT_EE_TX_POWER_OFDM_2G_24M =            0x0a4,
  69         MT_EE_TX_POWER_OFDM_5G_6M =             0x0b2,
  70         MT_EE_TX_POWER_OFDM_5G_24M =            0x0b4,
  71         MT_EE_TX_POWER_HT_MCS0 =                0x0a6,
  72         MT_EE_TX_POWER_HT_MCS4 =                0x0a8,
  73         MT_EE_TX_POWER_HT_MCS8 =                0x0aa,
  74         MT_EE_TX_POWER_HT_MCS12 =               0x0ac,
  75         MT_EE_TX_POWER_VHT_MCS0 =               0x0ba,
  76         MT_EE_TX_POWER_VHT_MCS4 =               0x0bc,
  77         MT_EE_TX_POWER_VHT_MCS8 =               0x0be,
  78
  79         MT_EE_2G_TARGET_POWER =                 0x0d0,
  80         MT_EE_TEMP_OFFSET =                     0x0d1,
  81         MT_EE_5G_TARGET_POWER =                 0x0d2,
  82         MT_EE_TSSI_BOUND1 =                     0x0d4,
  83         MT_EE_TSSI_BOUND2 =                     0x0d6,
  84         MT_EE_TSSI_BOUND3 =                     0x0d8,
  85         MT_EE_TSSI_BOUND4 =                     0x0da,
  86         MT_EE_FREQ_OFFSET_COMPENSATION =        0x0db,
  87         MT_EE_TSSI_BOUND5 =                     0x0dc,
  88         MT_EE_TX_POWER_BYRATE_BASE =            0x0de,
  89
  90         MT_EE_TSSI_SLOPE_5G =                   0x0f0,
  91         MT_EE_RF_TEMP_COMP_SLOPE_5G =           0x0f2,
  92         MT_EE_RF_TEMP_COMP_SLOPE_2G =           0x0f4,
  93
  94         MT_EE_RF_2G_TSSI_OFF_TXPOWER =          0x0f6,
  95         MT_EE_RF_2G_RX_HIGH_GAIN =              0x0f8,
  96         MT_EE_RF_5G_GRP0_1_RX_HIGH_GAIN =       0x0fa,
  97         MT_EE_RF_5G_GRP2_3_RX_HIGH_GAIN =       0x0fc,
  98         MT_EE_RF_5G_GRP4_5_RX_HIGH_GAIN =       0x0fe,
  99
 100         MT_EE_BT_RCAL_RESULT =                  0x138,
 101         MT_EE_BT_VCDL_CALIBRATION =             0x13c,
 102         MT_EE_BT_PMUCFG =                       0x13e,
 103
 104         MT_EE_USAGE_MAP_START =                 0x1e0,
 105         MT_EE_USAGE_MAP_END =                   0x1fc,
 106
 107         __MT_EE_MAX
 108 };
 109
 110 #define MT_EE_ANTENNA_DUAL                      BIT(15)
 111
 112 #define MT_EE_NIC_CONF_0_RX_PATH                GENMASK(3, 0)
 113 #define MT_EE_NIC_CONF_0_TX_PATH                GENMASK(7, 4)
 114 #define MT_EE_NIC_CONF_0_PA_TYPE                GENMASK(9, 8)
 115 #define MT_EE_NIC_CONF_0_PA_INT_2G              BIT(8)
 116 #define MT_EE_NIC_CONF_0_PA_INT_5G              BIT(9)
 117 #define MT_EE_NIC_CONF_0_PA_IO_CURRENT          BIT(10)
 118 #define MT_EE_NIC_CONF_0_BOARD_TYPE             GENMASK(13, 12)
 119
 120 #define MT_EE_NIC_CONF_1_HW_RF_CTRL             BIT(0)
 121 #define MT_EE_NIC_CONF_1_TEMP_TX_ALC            BIT(1)
 122 #define MT_EE_NIC_CONF_1_LNA_EXT_2G             BIT(2)
 123 #define MT_EE_NIC_CONF_1_LNA_EXT_5G             BIT(3)
 124 #define MT_EE_NIC_CONF_1_TX_ALC_EN              BIT(13)
 125
 126 #define MT_EE_NIC_CONF_2_ANT_OPT                BIT(3)
 127 #define MT_EE_NIC_CONF_2_ANT_DIV                BIT(4)
 128 #define MT_EE_NIC_CONF_2_XTAL_OPTION            GENMASK(10, 9)
 129
 130 #define MT_EFUSE_USAGE_MAP_SIZE                 (MT_EE_USAGE_MAP_END - \
 131                                                  MT_EE_USAGE_MAP_START + 1)
 132
 133 enum mt76x02_eeprom_modes {
 134         MT_EE_READ,
 135         MT_EE_PHYSICAL_READ,
 136 };
 137
 138 enum mt76x02_board_type {
 139         BOARD_TYPE_2GHZ = 1,
 140         BOARD_TYPE_5GHZ = 2,
 141 };
 142
 143 static inline bool mt76x02_field_valid(u8 val)
 144 {
 145         return val != 0 && val != 0xff;
 146 }
 147
 148 static inline int
 149 mt76x02_sign_extend(u32 val, unsigned int size)
 150 {
 151         bool sign = val & BIT(size - 1);
 152
 153         val &= BIT(size - 1) - 1;
 154
 155         return sign ? val : -val;
 156 }
 157
 158 static inline int
 159 mt76x02_sign_extend_optional(u32 val, unsigned int size)
 160 {
 161         bool enable = val & BIT(size);
 162
 163         return enable ? mt76x02_sign_extend(val, size) : 0;
 164 }
 165
 166 static inline s8 mt76x02_rate_power_val(u8 val)
 167 {
 168         if (!mt76x02_field_valid(val))
 169                 return 0;
 170
 171         return mt76x02_sign_extend_optional(val, 7);
 172 }
 173
 174 static inline int
 175 mt76x02_eeprom_get(struct mt76x02_dev *dev,
 176                    enum mt76x02_eeprom_field field)
 177 {
 178         if ((field & 1) || field >= __MT_EE_MAX)
 179                 return -1;
 180
 181         return get_unaligned_le16(dev->mt76.eeprom.data + field);
 182 }
 183
 184 bool mt76x02_ext_pa_enabled(struct mt76x02_dev *dev, enum nl80211_band band);
 185 int mt76x02_get_efuse_data(struct mt76x02_dev *dev, u16 base, void *buf,
 186                            int len, enum mt76x02_eeprom_modes mode);
 187 void mt76x02_get_rx_gain(struct mt76x02_dev *dev, enum nl80211_band band,
 188                          u16 *rssi_offset, s8 *lna_2g, s8 *lna_5g);
 189 u8 mt76x02_get_lna_gain(struct mt76x02_dev *dev,
 190                         s8 *lna_2g, s8 *lna_5g,
 191                         struct ieee80211_channel *chan);
 192 void mt76x02_eeprom_parse_hw_cap(struct mt76x02_dev *dev);
 193 int mt76x02_eeprom_copy(struct mt76x02_dev *dev,
 194                         enum mt76x02_eeprom_field field,
 195                         void *dest, int len);
 196
 197 #endif /* __MT76x02_EEPROM_H */