1/* SPDX-License-Identifier: BSD-3-Clause-Clear */
2/* Copyright (C) 2020 MediaTek Inc. */
3
4#ifndef __MT7915_EEPROM_H
5#define __MT7915_EEPROM_H
6
7#include "mt7915.h"
8
9struct cal_data {
10 u8 count;
11 u16 offset[60];
12};
13
14enum 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_GROUP_SIZE_7981 (144 * MT_EE_CAL_UNIT + 16)
54#define MT_EE_CAL_DPD_SIZE_V1 (54 * MT_EE_CAL_UNIT)
55#define MT_EE_CAL_DPD_SIZE_V2 (300 * MT_EE_CAL_UNIT)
56
57#define MT_EE_WIFI_CONF0_TX_PATH GENMASK(2, 0)
58#define MT_EE_WIFI_CONF0_RX_PATH GENMASK(5, 3)
59#define MT_EE_WIFI_CONF0_BAND_SEL GENMASK(7, 6)
60#define MT_EE_WIFI_CONF1_BAND_SEL GENMASK(7, 6)
61#define MT_EE_WIFI_CONF_STREAM_NUM GENMASK(7, 5)
62#define MT_EE_WIFI_CONF3_TX_PATH_B0 GENMASK(1, 0)
63#define MT_EE_WIFI_CONF3_TX_PATH_B1 GENMASK(5, 4)
64#define MT_EE_WIFI_CONF7_TSSI0_2G BIT(0)
65#define MT_EE_WIFI_CONF7_TSSI0_5G BIT(2)
66#define MT_EE_WIFI_CONF7_TSSI1_5G BIT(4)
67
68#define MT_EE_RATE_DELTA_MASK GENMASK(5, 0)
69#define MT_EE_RATE_DELTA_SIGN BIT(6)
70#define MT_EE_RATE_DELTA_EN BIT(7)
71
72enum mt7915_adie_sku {
73 MT7976_ONE_ADIE_DBDC = 0x7,
74 MT7975_ONE_ADIE = 0x8,
75 MT7976_ONE_ADIE = 0xa,
76 MT7975_DUAL_ADIE = 0xd,
77 MT7976_DUAL_ADIE = 0xf,
78};
79
80enum mt7915_eeprom_band {
81 MT_EE_BAND_SEL_DEFAULT,
82 MT_EE_BAND_SEL_5GHZ,
83 MT_EE_BAND_SEL_2GHZ,
84 MT_EE_BAND_SEL_DUAL,
85};
86
87enum {
88 MT_EE_V2_BAND_SEL_2GHZ,
89 MT_EE_V2_BAND_SEL_5GHZ,
90 MT_EE_V2_BAND_SEL_6GHZ,
91 MT_EE_V2_BAND_SEL_5GHZ_6GHZ,
92};
93
94enum mt7915_sku_rate_group {
95 SKU_CCK,
96 SKU_OFDM,
97 SKU_HT_BW20,
98 SKU_HT_BW40,
99 SKU_VHT_BW20,
100 SKU_VHT_BW40,
101 SKU_VHT_BW80,
102 SKU_VHT_BW160,
103 SKU_HE_RU26,
104 SKU_HE_RU52,
105 SKU_HE_RU106,
106 SKU_HE_RU242,
107 SKU_HE_RU484,
108 SKU_HE_RU996,
109 SKU_HE_RU2x996,
110 MAX_SKU_RATE_GROUP_NUM,
111};
112
113static inline int
114mt7915_get_channel_group_5g(int channel, bool is_7976)
115{
116 if (is_7976) {
117 if (channel <= 64)
118 return 0;
119 if (channel <= 96)
120 return 1;
121 if (channel <= 128)
122 return 2;
123 if (channel <= 144)
124 return 3;
125 return 4;
126 }
127
128 if (channel >= 184 && channel <= 196)
129 return 0;
130 if (channel <= 48)
131 return 1;
132 if (channel <= 64)
133 return 2;
134 if (channel <= 96)
135 return 3;
136 if (channel <= 112)
137 return 4;
138 if (channel <= 128)
139 return 5;
140 if (channel <= 144)
141 return 6;
142 return 7;
143}
144
145static inline int
146mt7915_get_channel_group_6g(int channel)
147{
148 if (channel <= 29)
149 return 0;
150
151 return DIV_ROUND_UP(channel - 29, 32);
152}
153
154static inline bool
155mt7915_tssi_enabled(struct mt7915_dev *dev, enum nl80211_band band)
156{
157 u8 *eep = dev->mt76.eeprom.data;
158 u8 offs = is_mt7981(dev: &dev->mt76) ? 8 : 7;
159 u8 val = eep[MT_EE_WIFI_CONF + offs];
160
161 if (band == NL80211_BAND_2GHZ)
162 return val & MT_EE_WIFI_CONF7_TSSI0_2G;
163
164 if (dev->dbdc_support)
165 return val & MT_EE_WIFI_CONF7_TSSI1_5G;
166 else
167 return val & MT_EE_WIFI_CONF7_TSSI0_5G;
168}
169
170static inline u32
171mt7915_get_cal_group_size(struct mt7915_dev *dev)
172{
173 u8 *eep = dev->mt76.eeprom.data;
174 u32 val;
175
176 if (is_mt7915(dev: &dev->mt76)) {
177 return MT_EE_CAL_GROUP_SIZE_7915;
178 } else if (is_mt7916(dev: &dev->mt76)) {
179 val = eep[MT_EE_WIFI_CONF + 1];
180 val = FIELD_GET(MT_EE_WIFI_CONF0_BAND_SEL, val);
181 return (val == MT_EE_V2_BAND_SEL_6GHZ) ? MT_EE_CAL_GROUP_SIZE_7916_6G :
182 MT_EE_CAL_GROUP_SIZE_7916;
183 } else if (is_mt7981(dev: &dev->mt76)) {
184 return MT_EE_CAL_GROUP_SIZE_7981;
185 } else if (mt7915_check_adie(dev, sku: false)) {
186 return MT_EE_CAL_GROUP_SIZE_7976;
187 } else {
188 return MT_EE_CAL_GROUP_SIZE_7975;
189 }
190}
191
192static inline u32
193mt7915_get_cal_dpd_size(struct mt7915_dev *dev)
194{
195 if (is_mt7915(dev: &dev->mt76))
196 return MT_EE_CAL_DPD_SIZE_V1;
197 else
198 return MT_EE_CAL_DPD_SIZE_V2;
199}
200
201extern const u8 mt7915_sku_group_len[MAX_SKU_RATE_GROUP_NUM];
202
203#endif
204

source code of linux/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.h