eeprom.h

  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->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->mt76)) {
177		return MT_EE_CAL_GROUP_SIZE_7915;
178	} else if (is_mt7916(&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->mt76)) {
184		return MT_EE_CAL_GROUP_SIZE_7981;
185	} else if (mt7915_check_adie(dev, 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->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