1 /* SPDX-License-Identifier: ISC */ 2 /* Copyright (C) 2020 MediaTek Inc. */ 3 4 #ifndef __MT7915_EEPROM_H 5 #define __MT7915_EEPROM_H 6 7 #include "mt7915.h" 8 9 struct cal_data { 10 u8 count; 11 u16 offset[60]; 12 }; 13 14 enum mt7915_eeprom_field { 15 MT_EE_CHIP_ID = 0x000, 16 MT_EE_VERSION = 0x002, 17 MT_EE_MAC_ADDR = 0x004, 18 MT_EE_MAC_ADDR2 = 0x00a, 19 MT_EE_DDIE_FT_VERSION = 0x050, 20 MT_EE_DO_PRE_CAL = 0x062, 21 MT_EE_WIFI_CONF = 0x190, 22 MT_EE_DO_PRE_CAL_V2 = 0x19a, 23 MT_EE_RATE_DELTA_2G = 0x252, 24 MT_EE_RATE_DELTA_5G = 0x29d, 25 MT_EE_TX0_POWER_2G = 0x2fc, 26 MT_EE_TX0_POWER_5G = 0x34b, 27 MT_EE_RATE_DELTA_2G_V2 = 0x7d3, 28 MT_EE_RATE_DELTA_5G_V2 = 0x81e, 29 MT_EE_RATE_DELTA_6G_V2 = 0x884, /* 6g fields only appear in eeprom v2 */ 30 MT_EE_TX0_POWER_2G_V2 = 0x441, 31 MT_EE_TX0_POWER_5G_V2 = 0x445, 32 MT_EE_TX0_POWER_6G_V2 = 0x465, 33 MT_EE_ADIE_FT_VERSION = 0x9a0, 34 35 __MT_EE_MAX = 0xe00, 36 __MT_EE_MAX_V2 = 0x1000, 37 /* 0xe10 ~ 0x5780 used to save group cal data */ 38 MT_EE_PRECAL = 0xe10, 39 MT_EE_PRECAL_V2 = 0x1010 40 }; 41 42 #define MT_EE_WIFI_CAL_GROUP BIT(0) 43 #define MT_EE_WIFI_CAL_DPD_2G BIT(2) 44 #define MT_EE_WIFI_CAL_DPD_5G BIT(1) 45 #define MT_EE_WIFI_CAL_DPD_6G BIT(3) 46 #define MT_EE_WIFI_CAL_DPD GENMASK(3, 1) 47 #define MT_EE_CAL_UNIT 1024 48 #define MT_EE_CAL_GROUP_SIZE_7915 (49 * MT_EE_CAL_UNIT + 16) 49 #define MT_EE_CAL_GROUP_SIZE_7916 (54 * MT_EE_CAL_UNIT + 16) 50 #define MT_EE_CAL_GROUP_SIZE_7975 (54 * MT_EE_CAL_UNIT + 16) 51 #define MT_EE_CAL_GROUP_SIZE_7976 (94 * MT_EE_CAL_UNIT + 16) 52 #define MT_EE_CAL_GROUP_SIZE_7916_6G (94 * MT_EE_CAL_UNIT + 16) 53 #define MT_EE_CAL_DPD_SIZE_V1 (54 * MT_EE_CAL_UNIT) 54 #define MT_EE_CAL_DPD_SIZE_V2 (300 * MT_EE_CAL_UNIT) 55 #define MT_EE_CAL_DPD_SIZE_V2_7981 (102 * MT_EE_CAL_UNIT) /* no 6g dpd data */ 56 57 #define MT_EE_WIFI_CONF0_TX_PATH GENMASK(2, 0) 58 #define MT_EE_WIFI_CONF0_RX_PATH GENMASK(5, 3) 59 #define MT_EE_WIFI_CONF0_BAND_SEL GENMASK(7, 6) 60 #define MT_EE_WIFI_CONF1_BAND_SEL GENMASK(7, 6) 61 #define MT_EE_WIFI_CONF_STREAM_NUM GENMASK(7, 5) 62 #define MT_EE_WIFI_CONF3_TX_PATH_B0 GENMASK(1, 0) 63 #define MT_EE_WIFI_CONF3_TX_PATH_B1 GENMASK(5, 4) 64 #define MT_EE_WIFI_CONF7_TSSI0_2G BIT(0) 65 #define MT_EE_WIFI_CONF7_TSSI0_5G BIT(2) 66 #define MT_EE_WIFI_CONF7_TSSI1_5G BIT(4) 67 68 #define MT_EE_RATE_DELTA_MASK GENMASK(5, 0) 69 #define MT_EE_RATE_DELTA_SIGN BIT(6) 70 #define MT_EE_RATE_DELTA_EN BIT(7) 71 72 enum mt7915_adie_sku { 73 MT7976_ONE_ADIE_DBDC = 0x7, 74 MT7975_ONE_ADIE = 0x8, 75 MT7976_ONE_ADIE = 0xa, 76 MT7975_DUAL_ADIE = 0xd, 77 MT7976_DUAL_ADIE = 0xf, 78 }; 79 80 enum mt7915_eeprom_band { 81 MT_EE_BAND_SEL_DEFAULT, 82 MT_EE_BAND_SEL_5GHZ, 83 MT_EE_BAND_SEL_2GHZ, 84 MT_EE_BAND_SEL_DUAL, 85 }; 86 87 enum { 88 MT_EE_V2_BAND_SEL_2GHZ, 89 MT_EE_V2_BAND_SEL_5GHZ, 90 MT_EE_V2_BAND_SEL_6GHZ, 91 MT_EE_V2_BAND_SEL_5GHZ_6GHZ, 92 }; 93 94 enum mt7915_sku_rate_group { 95 SKU_CCK, 96 SKU_OFDM, 97 SKU_HT_BW20, 98 SKU_HT_BW40, 99 SKU_VHT_BW20, 100 SKU_VHT_BW40, 101 SKU_VHT_BW80, 102 SKU_VHT_BW160, 103 SKU_HE_RU26, 104 SKU_HE_RU52, 105 SKU_HE_RU106, 106 SKU_HE_RU242, 107 SKU_HE_RU484, 108 SKU_HE_RU996, 109 SKU_HE_RU2x996, 110 MAX_SKU_RATE_GROUP_NUM, 111 }; 112 113 static inline int 114 mt7915_get_channel_group_5g(int channel, bool is_7976) 115 { 116 if (is_7976) { 117 if (channel <= 64) 118 return 0; 119 if (channel <= 96) 120 return 1; 121 if (channel <= 128) 122 return 2; 123 if (channel <= 144) 124 return 3; 125 return 4; 126 } 127 128 if (channel >= 184 && channel <= 196) 129 return 0; 130 if (channel <= 48) 131 return 1; 132 if (channel <= 64) 133 return 2; 134 if (channel <= 96) 135 return 3; 136 if (channel <= 112) 137 return 4; 138 if (channel <= 128) 139 return 5; 140 if (channel <= 144) 141 return 6; 142 return 7; 143 } 144 145 static inline int 146 mt7915_get_channel_group_6g(int channel) 147 { 148 if (channel <= 29) 149 return 0; 150 151 return DIV_ROUND_UP(channel - 29, 32); 152 } 153 154 static inline bool 155 mt7915_tssi_enabled(struct mt7915_dev *dev, enum nl80211_band band) 156 { 157 u8 *eep = dev->mt76.eeprom.data; 158 u8 offs = is_mt7981(&dev->mt76) ? 8 : 7; 159 u8 val = eep[MT_EE_WIFI_CONF + offs]; 160 161 if (band == NL80211_BAND_2GHZ) 162 return val & MT_EE_WIFI_CONF7_TSSI0_2G; 163 164 if (dev->dbdc_support) 165 return val & MT_EE_WIFI_CONF7_TSSI1_5G; 166 else 167 return val & MT_EE_WIFI_CONF7_TSSI0_5G; 168 } 169 170 static inline u32 171 mt7915_get_cal_group_size(struct mt7915_dev *dev) 172 { 173 u8 *eep = dev->mt76.eeprom.data; 174 u32 val; 175 176 if (is_mt7915(&dev->mt76)) { 177 return MT_EE_CAL_GROUP_SIZE_7915; 178 } else if (is_mt7916(&dev->mt76)) { 179 val = eep[MT_EE_WIFI_CONF + 1]; 180 val = FIELD_GET(MT_EE_WIFI_CONF0_BAND_SEL, val); 181 return (val == MT_EE_V2_BAND_SEL_6GHZ) ? MT_EE_CAL_GROUP_SIZE_7916_6G : 182 MT_EE_CAL_GROUP_SIZE_7916; 183 } else if (mt7915_check_adie(dev, false)) { 184 return MT_EE_CAL_GROUP_SIZE_7976; 185 } else { 186 return MT_EE_CAL_GROUP_SIZE_7975; 187 } 188 } 189 190 static inline u32 191 mt7915_get_cal_dpd_size(struct mt7915_dev *dev) 192 { 193 if (is_mt7915(&dev->mt76)) 194 return MT_EE_CAL_DPD_SIZE_V1; 195 else if (is_mt7981(&dev->mt76)) 196 return MT_EE_CAL_DPD_SIZE_V2_7981; 197 else 198 return MT_EE_CAL_DPD_SIZE_V2; 199 } 200 201 extern const u8 mt7915_sku_group_len[MAX_SKU_RATE_GROUP_NUM]; 202 203 #endif 204