drivers/net/wireless/mediatek/mt76/mt7915/eeprom.h

   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_BAND_SEL               GENMASK(7, 6)
  59 #define MT_EE_WIFI_CONF1_BAND_SEL               GENMASK(7, 6)
  60 #define MT_EE_WIFI_CONF_STREAM_NUM              GENMASK(7, 5)
  61 #define MT_EE_WIFI_CONF3_TX_PATH_B0             GENMASK(1, 0)
  62 #define MT_EE_WIFI_CONF3_TX_PATH_B1             GENMASK(5, 4)
  63 #define MT_EE_WIFI_CONF7_TSSI0_2G               BIT(0)
  64 #define MT_EE_WIFI_CONF7_TSSI0_5G               BIT(2)
  65 #define MT_EE_WIFI_CONF7_TSSI1_5G               BIT(4)
  66
  67 #define MT_EE_RATE_DELTA_MASK                   GENMASK(5, 0)
  68 #define MT_EE_RATE_DELTA_SIGN                   BIT(6)
  69 #define MT_EE_RATE_DELTA_EN                     BIT(7)
  70
  71 enum mt7915_adie_sku {
  72         MT7976_ONE_ADIE_DBDC = 0x7,
  73         MT7975_ONE_ADIE = 0x8,
  74         MT7976_ONE_ADIE = 0xa,
  75         MT7975_DUAL_ADIE = 0xd,
  76         MT7976_DUAL_ADIE = 0xf,
  77 };
  78
  79 enum mt7915_eeprom_band {
  80         MT_EE_BAND_SEL_DEFAULT,
  81         MT_EE_BAND_SEL_5GHZ,
  82         MT_EE_BAND_SEL_2GHZ,
  83         MT_EE_BAND_SEL_DUAL,
  84 };
  85
  86 enum {
  87         MT_EE_V2_BAND_SEL_2GHZ,
  88         MT_EE_V2_BAND_SEL_5GHZ,
  89         MT_EE_V2_BAND_SEL_6GHZ,
  90         MT_EE_V2_BAND_SEL_5GHZ_6GHZ,
  91 };
  92
  93 enum mt7915_sku_rate_group {
  94         SKU_CCK,
  95         SKU_OFDM,
  96         SKU_HT_BW20,
  97         SKU_HT_BW40,
  98         SKU_VHT_BW20,
  99         SKU_VHT_BW40,
 100         SKU_VHT_BW80,
 101         SKU_VHT_BW160,
 102         SKU_HE_RU26,
 103         SKU_HE_RU52,
 104         SKU_HE_RU106,
 105         SKU_HE_RU242,
 106         SKU_HE_RU484,
 107         SKU_HE_RU996,
 108         SKU_HE_RU2x996,
 109         MAX_SKU_RATE_GROUP_NUM,
 110 };
 111
 112 static inline int
 113 mt7915_get_channel_group_5g(int channel, bool is_7976)
 114 {
 115         if (is_7976) {
 116                 if (channel <= 64)
 117                         return 0;
 118                 if (channel <= 96)
 119                         return 1;
 120                 if (channel <= 128)
 121                         return 2;
 122                 if (channel <= 144)
 123                         return 3;
 124                 return 4;
 125         }
 126
 127         if (channel >= 184 && channel <= 196)
 128                 return 0;
 129         if (channel <= 48)
 130                 return 1;
 131         if (channel <= 64)
 132                 return 2;
 133         if (channel <= 96)
 134                 return 3;
 135         if (channel <= 112)
 136                 return 4;
 137         if (channel <= 128)
 138                 return 5;
 139         if (channel <= 144)
 140                 return 6;
 141         return 7;
 142 }
 143
 144 static inline int
 145 mt7915_get_channel_group_6g(int channel)
 146 {
 147         if (channel <= 29)
 148                 return 0;
 149
 150         return DIV_ROUND_UP(channel - 29, 32);
 151 }
 152
 153 static inline bool
 154 mt7915_tssi_enabled(struct mt7915_dev *dev, enum nl80211_band band)
 155 {
 156         u8 *eep = dev->mt76.eeprom.data;
 157         u8 offs = is_mt7981(&dev->mt76) ? 8 : 7;
 158         u8 val = eep[MT_EE_WIFI_CONF + offs];
 159
 160         if (band == NL80211_BAND_2GHZ)
 161                 return val & MT_EE_WIFI_CONF7_TSSI0_2G;
 162
 163         if (dev->dbdc_support)
 164                 return val & MT_EE_WIFI_CONF7_TSSI1_5G;
 165         else
 166                 return val & MT_EE_WIFI_CONF7_TSSI0_5G;
 167 }
 168
 169 static inline u32
 170 mt7915_get_cal_group_size(struct mt7915_dev *dev)
 171 {
 172         u8 *eep = dev->mt76.eeprom.data;
 173         u32 val;
 174
 175         if (is_mt7915(&dev->mt76)) {
 176                 return MT_EE_CAL_GROUP_SIZE_7915;
 177         } else if (is_mt7916(&dev->mt76)) {
 178                 val = eep[MT_EE_WIFI_CONF + 1];
 179                 val = FIELD_GET(MT_EE_WIFI_CONF0_BAND_SEL, val);
 180                 return (val == MT_EE_V2_BAND_SEL_6GHZ) ? MT_EE_CAL_GROUP_SIZE_7916_6G :
 181                                                          MT_EE_CAL_GROUP_SIZE_7916;
 182         } else if (mt7915_check_adie(dev, false)) {
 183                 return MT_EE_CAL_GROUP_SIZE_7976;
 184         } else {
 185                 return MT_EE_CAL_GROUP_SIZE_7975;
 186         }
 187 }
 188
 189 static inline u32
 190 mt7915_get_cal_dpd_size(struct mt7915_dev *dev)
 191 {
 192         if (is_mt7915(&dev->mt76))
 193                 return MT_EE_CAL_DPD_SIZE_V1;
 194         else if (is_mt7981(&dev->mt76))
 195                 return MT_EE_CAL_DPD_SIZE_V2_7981;
 196         else
 197                 return MT_EE_CAL_DPD_SIZE_V2;
 198 }
 199
 200 extern const u8 mt7915_sku_group_len[MAX_SKU_RATE_GROUP_NUM];
 201
 202 #endif