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
  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_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
 61enum 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
 69enum 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
 76enum {
 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
 83enum 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
102static inline int
103mt7915_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
134static inline int
135mt7915_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
143static inline bool
144mt7915_tssi_enabled(struct mt7915_dev *dev, enum nl80211_band band)
145{
146	u8 *eep = dev->mt76.eeprom.data;
147	u8 offs = is_mt7981(&dev->mt76) ? 8 : 7;
148	u8 val = eep[MT_EE_WIFI_CONF + offs];
149
150	if (band == NL80211_BAND_2GHZ)
151		return val & MT_EE_WIFI_CONF7_TSSI0_2G;
152
153	if (dev->dbdc_support)
154		return val & MT_EE_WIFI_CONF7_TSSI1_5G;
155	else
156		return val & MT_EE_WIFI_CONF7_TSSI0_5G;
157}
158
159extern const u8 mt7915_sku_group_len[MAX_SKU_RATE_GROUP_NUM];
160
161#endif