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
mt7915_get_channel_group_5g(int channel,bool is_7976)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
mt7915_get_channel_group_6g(int channel)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
mt7915_tssi_enabled(struct mt7915_dev * dev,enum nl80211_band band)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
mt7915_get_cal_group_size(struct mt7915_dev * dev)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
mt7915_get_cal_dpd_size(struct mt7915_dev * dev)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
203