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_RATE_DELTA_2G = 0x252,
23 MT_EE_RATE_DELTA_5G = 0x29d,
24 MT_EE_TX0_POWER_2G = 0x2fc,
25 MT_EE_TX0_POWER_5G = 0x34b,
26 MT_EE_ADIE_FT_VERSION = 0x9a0,
27
28 __MT_EE_MAX = 0xe00,
29 /* 0xe10 ~ 0x5780 used to save group cal data */
30 MT_EE_PRECAL = 0xe10
31 };
32
33 #define MT_EE_WIFI_CAL_GROUP BIT(0)
34 #define MT_EE_WIFI_CAL_DPD GENMASK(2, 1)
35 #define MT_EE_CAL_UNIT 1024
36 #define MT_EE_CAL_GROUP_SIZE (49 * MT_EE_CAL_UNIT + 16)
37 #define MT_EE_CAL_DPD_SIZE (54 * MT_EE_CAL_UNIT)
38
39 #define MT_EE_WIFI_CONF0_TX_PATH GENMASK(2, 0)
40 #define MT_EE_WIFI_CONF0_BAND_SEL GENMASK(7, 6)
41 #define MT_EE_WIFI_CONF1_BAND_SEL GENMASK(7, 6)
42 #define MT_EE_WIFI_CONF3_TX_PATH_B0 GENMASK(1, 0)
43 #define MT_EE_WIFI_CONF3_TX_PATH_B1 GENMASK(5, 4)
44 #define MT_EE_WIFI_CONF7_TSSI0_2G BIT(0)
45 #define MT_EE_WIFI_CONF7_TSSI0_5G BIT(2)
46 #define MT_EE_WIFI_CONF7_TSSI1_5G BIT(4)
47
48 #define MT_EE_RATE_DELTA_MASK GENMASK(5, 0)
49 #define MT_EE_RATE_DELTA_SIGN BIT(6)
50 #define MT_EE_RATE_DELTA_EN BIT(7)
51
52 enum mt7915_eeprom_band {
53 MT_EE_BAND_SEL_DEFAULT,
54 MT_EE_BAND_SEL_5GHZ,
55 MT_EE_BAND_SEL_2GHZ,
56 MT_EE_BAND_SEL_DUAL,
57 };
58
59 enum mt7915_sku_rate_group {
60 SKU_CCK,
61 SKU_OFDM,
62 SKU_HT_BW20,
63 SKU_HT_BW40,
64 SKU_VHT_BW20,
65 SKU_VHT_BW40,
66 SKU_VHT_BW80,
67 SKU_VHT_BW160,
68 SKU_HE_RU26,
69 SKU_HE_RU52,
70 SKU_HE_RU106,
71 SKU_HE_RU242,
72 SKU_HE_RU484,
73 SKU_HE_RU996,
74 SKU_HE_RU2x996,
75 MAX_SKU_RATE_GROUP_NUM,
76 };
77
78 static inline int
mt7915_get_channel_group(int channel)79 mt7915_get_channel_group(int channel)
80 {
81 if (channel >= 184 && channel <= 196)
82 return 0;
83 if (channel <= 48)
84 return 1;
85 if (channel <= 64)
86 return 2;
87 if (channel <= 96)
88 return 3;
89 if (channel <= 112)
90 return 4;
91 if (channel <= 128)
92 return 5;
93 if (channel <= 144)
94 return 6;
95 return 7;
96 }
97
98 static inline bool
mt7915_tssi_enabled(struct mt7915_dev * dev,enum nl80211_band band)99 mt7915_tssi_enabled(struct mt7915_dev *dev, enum nl80211_band band)
100 {
101 u8 *eep = dev->mt76.eeprom.data;
102 u8 val = eep[MT_EE_WIFI_CONF + 7];
103
104 if (band == NL80211_BAND_2GHZ)
105 return val & MT_EE_WIFI_CONF7_TSSI0_2G;
106
107 if (dev->dbdc_support)
108 return val & MT_EE_WIFI_CONF7_TSSI1_5G;
109 else
110 return val & MT_EE_WIFI_CONF7_TSSI0_5G;
111 }
112
113 extern const u8 mt7915_sku_group_len[MAX_SKU_RATE_GROUP_NUM];
114
115 #endif
116