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_WIFI_CONF =       0x190,
  21         MT_EE_TX0_POWER_2G =    0x2fc,
  22         MT_EE_TX0_POWER_5G =    0x34b,
  23         MT_EE_ADIE_FT_VERSION = 0x9a0,
  24
  25         __MT_EE_MAX =           0xe00
  26 };
  27
  28 #define MT_EE_WIFI_CONF_TX_MASK                 GENMASK(2, 0)
  29 #define MT_EE_WIFI_CONF_BAND_SEL                GENMASK(7, 6)
  30 #define MT_EE_WIFI_CONF_TSSI0_2G                BIT(0)
  31 #define MT_EE_WIFI_CONF_TSSI0_5G                BIT(2)
  32 #define MT_EE_WIFI_CONF_TSSI1_5G                BIT(4)
  33
  34 enum mt7915_eeprom_band {
  35         MT_EE_DUAL_BAND,
  36         MT_EE_5GHZ,
  37         MT_EE_2GHZ,
  38         MT_EE_DBDC,
  39 };
  40
  41 #define SKU_DELTA_VAL           GENMASK(5, 0)
  42 #define SKU_DELTA_ADD           BIT(6)
  43 #define SKU_DELTA_EN            BIT(7)
  44
  45 enum mt7915_sku_delta_group {
  46         SKU_CCK_GROUP0,
  47         SKU_CCK_GROUP1,
  48
  49         SKU_OFDM_GROUP0 = 0,
  50         SKU_OFDM_GROUP1,
  51         SKU_OFDM_GROUP2,
  52         SKU_OFDM_GROUP3,
  53         SKU_OFDM_GROUP4,
  54
  55         SKU_MCS_GROUP0 = 0,
  56         SKU_MCS_GROUP1,
  57         SKU_MCS_GROUP2,
  58         SKU_MCS_GROUP3,
  59         SKU_MCS_GROUP4,
  60         SKU_MCS_GROUP5,
  61         SKU_MCS_GROUP6,
  62         SKU_MCS_GROUP7,
  63         SKU_MCS_GROUP8,
  64         SKU_MCS_GROUP9,
  65 };
  66
  67 enum mt7915_sku_rate_group {
  68         SKU_CCK,
  69         SKU_OFDM,
  70         SKU_HT_BW20,
  71         SKU_HT_BW40,
  72         SKU_VHT_BW20,
  73         SKU_VHT_BW40,
  74         SKU_VHT_BW80,
  75         SKU_VHT_BW160,
  76         SKU_HE_RU26,
  77         SKU_HE_RU52,
  78         SKU_HE_RU106,
  79         SKU_HE_RU242,
  80         SKU_HE_RU484,
  81         SKU_HE_RU996,
  82         SKU_HE_RU2x996,
  83         MAX_SKU_RATE_GROUP_NUM,
  84 };
  85
  86 struct sku_group {
  87         u8 len;
  88         u16 offset[2];
  89         const u8 *delta_map;
  90 };
  91
  92 static inline int
  93 mt7915_get_channel_group(int channel)
  94 {
  95         if (channel >= 184 && channel <= 196)
  96                 return 0;
  97         if (channel <= 48)
  98                 return 1;
  99         if (channel <= 64)
 100                 return 2;
 101         if (channel <= 96)
 102                 return 3;
 103         if (channel <= 112)
 104                 return 4;
 105         if (channel <= 128)
 106                 return 5;
 107         if (channel <= 144)
 108                 return 6;
 109         return 7;
 110 }
 111
 112 static inline bool
 113 mt7915_tssi_enabled(struct mt7915_dev *dev, enum nl80211_band band)
 114 {
 115         u8 *eep = dev->mt76.eeprom.data;
 116
 117         /* TODO: DBDC */
 118         if (band == NL80211_BAND_5GHZ)
 119                 return eep[MT_EE_WIFI_CONF + 7] & MT_EE_WIFI_CONF_TSSI0_5G;
 120         else
 121                 return eep[MT_EE_WIFI_CONF + 7] & MT_EE_WIFI_CONF_TSSI0_2G;
 122 }
 123
 124 extern const struct sku_group mt7915_sku_groups[];
 125
 126 #endif