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_RATE_DELTA_2G_V2 = 0x7d3,
27 MT_EE_RATE_DELTA_5G_V2 = 0x81e,
28 MT_EE_RATE_DELTA_6G_V2 = 0x884, /* 6g fields only appear in eeprom v2 */
29 MT_EE_TX0_POWER_2G_V2 = 0x441,
30 MT_EE_TX0_POWER_5G_V2 = 0x445,
31 MT_EE_TX0_POWER_6G_V2 = 0x465,
32 MT_EE_ADIE_FT_VERSION = 0x9a0,
33
34 __MT_EE_MAX = 0xe00,
35 __MT_EE_MAX_V2 = 0x1000,
36 /* 0xe10 ~ 0x5780 used to save group cal data */
37 MT_EE_PRECAL = 0xe10,
38 MT_EE_PRECAL_V2 = 0x1010
39 };
40
41 #define MT_EE_WIFI_CAL_GROUP BIT(0)
42 #define MT_EE_WIFI_CAL_DPD GENMASK(2, 1)
43 #define MT_EE_CAL_UNIT 1024
44 #define MT_EE_CAL_GROUP_SIZE (49 * MT_EE_CAL_UNIT + 16)
45 #define MT_EE_CAL_DPD_SIZE (54 * MT_EE_CAL_UNIT)
46
47 #define MT_EE_WIFI_CONF0_TX_PATH GENMASK(2, 0)
48 #define MT_EE_WIFI_CONF0_BAND_SEL GENMASK(7, 6)
49 #define MT_EE_WIFI_CONF1_BAND_SEL GENMASK(7, 6)
50 #define MT_EE_WIFI_CONF_STREAM_NUM GENMASK(7, 5)
51 #define MT_EE_WIFI_CONF3_TX_PATH_B0 GENMASK(1, 0)
52 #define MT_EE_WIFI_CONF3_TX_PATH_B1 GENMASK(5, 4)
53 #define MT_EE_WIFI_CONF7_TSSI0_2G BIT(0)
54 #define MT_EE_WIFI_CONF7_TSSI0_5G BIT(2)
55 #define MT_EE_WIFI_CONF7_TSSI1_5G BIT(4)
56
57 #define MT_EE_RATE_DELTA_MASK GENMASK(5, 0)
58 #define MT_EE_RATE_DELTA_SIGN BIT(6)
59 #define MT_EE_RATE_DELTA_EN BIT(7)
60
61 #define MT_EE_NSS_MAX_MA7915 4
62 #define MT_EE_NSS_MAX_DBDC_MA7915 2
63 #define MT_EE_NSS_MAX_MA7986 4
64 #define MT_EE_NSS_MAX_DBDC_MA7986 4
65
66 enum mt7915_adie_sku {
67 MT7976_ONE_ADIE_DBDC = 0x7,
68 MT7975_ONE_ADIE = 0x8,
69 MT7976_ONE_ADIE = 0xa,
70 MT7975_DUAL_ADIE = 0xd,
71 MT7976_DUAL_ADIE = 0xf,
72 };
73
74 enum mt7915_eeprom_band {
75 MT_EE_BAND_SEL_DEFAULT,
76 MT_EE_BAND_SEL_5GHZ,
77 MT_EE_BAND_SEL_2GHZ,
78 MT_EE_BAND_SEL_DUAL,
79 };
80
81 enum {
82 MT_EE_V2_BAND_SEL_2GHZ,
83 MT_EE_V2_BAND_SEL_5GHZ,
84 MT_EE_V2_BAND_SEL_6GHZ,
85 MT_EE_V2_BAND_SEL_5GHZ_6GHZ,
86 };
87
88 enum mt7915_sku_rate_group {
89 SKU_CCK,
90 SKU_OFDM,
91 SKU_HT_BW20,
92 SKU_HT_BW40,
93 SKU_VHT_BW20,
94 SKU_VHT_BW40,
95 SKU_VHT_BW80,
96 SKU_VHT_BW160,
97 SKU_HE_RU26,
98 SKU_HE_RU52,
99 SKU_HE_RU106,
100 SKU_HE_RU242,
101 SKU_HE_RU484,
102 SKU_HE_RU996,
103 SKU_HE_RU2x996,
104 MAX_SKU_RATE_GROUP_NUM,
105 };
106
107 static inline int
mt7915_get_channel_group_5g(int channel,bool is_7976)108 mt7915_get_channel_group_5g(int channel, bool is_7976)
109 {
110 if (is_7976) {
111 if (channel <= 64)
112 return 0;
113 if (channel <= 96)
114 return 1;
115 if (channel <= 128)
116 return 2;
117 if (channel <= 144)
118 return 3;
119 return 4;
120 }
121
122 if (channel >= 184 && channel <= 196)
123 return 0;
124 if (channel <= 48)
125 return 1;
126 if (channel <= 64)
127 return 2;
128 if (channel <= 96)
129 return 3;
130 if (channel <= 112)
131 return 4;
132 if (channel <= 128)
133 return 5;
134 if (channel <= 144)
135 return 6;
136 return 7;
137 }
138
139 static inline int
mt7915_get_channel_group_6g(int channel)140 mt7915_get_channel_group_6g(int channel)
141 {
142 if (channel <= 29)
143 return 0;
144
145 return DIV_ROUND_UP(channel - 29, 32);
146 }
147
148 static inline bool
mt7915_tssi_enabled(struct mt7915_dev * dev,enum nl80211_band band)149 mt7915_tssi_enabled(struct mt7915_dev *dev, enum nl80211_band band)
150 {
151 u8 *eep = dev->mt76.eeprom.data;
152 u8 val = eep[MT_EE_WIFI_CONF + 7];
153
154 if (band == NL80211_BAND_2GHZ)
155 return val & MT_EE_WIFI_CONF7_TSSI0_2G;
156
157 if (dev->dbdc_support)
158 return val & MT_EE_WIFI_CONF7_TSSI1_5G;
159 else
160 return val & MT_EE_WIFI_CONF7_TSSI0_5G;
161 }
162
163 extern const u8 mt7915_sku_group_len[MAX_SKU_RATE_GROUP_NUM];
164
165 #endif
166