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 enum mt7915_adie_sku {
62 MT7976_ONE_ADIE_DBDC = 0x7,
63 MT7975_ONE_ADIE = 0x8,
64 MT7976_ONE_ADIE = 0xa,
65 MT7975_DUAL_ADIE = 0xd,
66 MT7976_DUAL_ADIE = 0xf,
67 };
68
69 enum mt7915_eeprom_band {
70 MT_EE_BAND_SEL_DEFAULT,
71 MT_EE_BAND_SEL_5GHZ,
72 MT_EE_BAND_SEL_2GHZ,
73 MT_EE_BAND_SEL_DUAL,
74 };
75
76 enum {
77 MT_EE_V2_BAND_SEL_2GHZ,
78 MT_EE_V2_BAND_SEL_5GHZ,
79 MT_EE_V2_BAND_SEL_6GHZ,
80 MT_EE_V2_BAND_SEL_5GHZ_6GHZ,
81 };
82
83 enum mt7915_sku_rate_group {
84 SKU_CCK,
85 SKU_OFDM,
86 SKU_HT_BW20,
87 SKU_HT_BW40,
88 SKU_VHT_BW20,
89 SKU_VHT_BW40,
90 SKU_VHT_BW80,
91 SKU_VHT_BW160,
92 SKU_HE_RU26,
93 SKU_HE_RU52,
94 SKU_HE_RU106,
95 SKU_HE_RU242,
96 SKU_HE_RU484,
97 SKU_HE_RU996,
98 SKU_HE_RU2x996,
99 MAX_SKU_RATE_GROUP_NUM,
100 };
101
102 static inline int
mt7915_get_channel_group_5g(int channel,bool is_7976)103 mt7915_get_channel_group_5g(int channel, bool is_7976)
104 {
105 if (is_7976) {
106 if (channel <= 64)
107 return 0;
108 if (channel <= 96)
109 return 1;
110 if (channel <= 128)
111 return 2;
112 if (channel <= 144)
113 return 3;
114 return 4;
115 }
116
117 if (channel >= 184 && channel <= 196)
118 return 0;
119 if (channel <= 48)
120 return 1;
121 if (channel <= 64)
122 return 2;
123 if (channel <= 96)
124 return 3;
125 if (channel <= 112)
126 return 4;
127 if (channel <= 128)
128 return 5;
129 if (channel <= 144)
130 return 6;
131 return 7;
132 }
133
134 static inline int
mt7915_get_channel_group_6g(int channel)135 mt7915_get_channel_group_6g(int channel)
136 {
137 if (channel <= 29)
138 return 0;
139
140 return DIV_ROUND_UP(channel - 29, 32);
141 }
142
143 static inline bool
mt7915_tssi_enabled(struct mt7915_dev * dev,enum nl80211_band band)144 mt7915_tssi_enabled(struct mt7915_dev *dev, enum nl80211_band band)
145 {
146 u8 *eep = dev->mt76.eeprom.data;
147 u8 val = eep[MT_EE_WIFI_CONF + 7];
148
149 if (band == NL80211_BAND_2GHZ)
150 return val & MT_EE_WIFI_CONF7_TSSI0_2G;
151
152 if (dev->dbdc_support)
153 return val & MT_EE_WIFI_CONF7_TSSI1_5G;
154 else
155 return val & MT_EE_WIFI_CONF7_TSSI0_5G;
156 }
157
158 extern const u8 mt7915_sku_group_len[MAX_SKU_RATE_GROUP_NUM];
159
160 #endif
161