/* SPDX-License-Identifier: BSD-3-Clause-Clear */
/* Copyright (C) 2020 MediaTek Inc. */

#ifndef __MT7915_EEPROM_H
#define __MT7915_EEPROM_H

#include "mt7915.h"

struct cal_data {
        u8 count;
        u16 offset[60];
};

enum mt7915_eeprom_field {
        MT_EE_CHIP_ID =         0x000,
        MT_EE_VERSION =         0x002,
        MT_EE_MAC_ADDR =        0x004,
        MT_EE_MAC_ADDR2 =       0x00a,
        MT_EE_DDIE_FT_VERSION = 0x050,
        MT_EE_DO_PRE_CAL =      0x062,
        MT_EE_WIFI_CONF =       0x190,
        MT_EE_DO_PRE_CAL_V2 =   0x19a,
        MT_EE_RATE_DELTA_2G =   0x252,
        MT_EE_RATE_DELTA_5G =   0x29d,
        MT_EE_TX0_POWER_2G =    0x2fc,
        MT_EE_TX0_POWER_5G =    0x34b,
        MT_EE_RATE_DELTA_2G_V2 = 0x7d3,
        MT_EE_RATE_DELTA_5G_V2 = 0x81e,
        MT_EE_RATE_DELTA_6G_V2 = 0x884, /* 6g fields only appear in eeprom v2 */
        MT_EE_TX0_POWER_2G_V2 = 0x441,
        MT_EE_TX0_POWER_5G_V2 = 0x445,
        MT_EE_TX0_POWER_6G_V2 = 0x465,
        MT_EE_ADIE_FT_VERSION = 0x9a0,

        __MT_EE_MAX =           0xe00,
        __MT_EE_MAX_V2 =        0x1000,
        /* 0xe10 ~ 0x5780 used to save group cal data */
        MT_EE_PRECAL =          0xe10,
        MT_EE_PRECAL_V2 =       0x1010
};

#define MT_EE_WIFI_CAL_GROUP                    BIT(0)
#define MT_EE_WIFI_CAL_DPD_2G                   BIT(2)
#define MT_EE_WIFI_CAL_DPD_5G                   BIT(1)
#define MT_EE_WIFI_CAL_DPD_6G                   BIT(3)
#define MT_EE_WIFI_CAL_DPD                      GENMASK(3, 1)
#define MT_EE_CAL_UNIT                          1024
#define MT_EE_CAL_GROUP_SIZE_7915               (49 * MT_EE_CAL_UNIT + 16)
#define MT_EE_CAL_GROUP_SIZE_7916               (54 * MT_EE_CAL_UNIT + 16)
#define MT_EE_CAL_GROUP_SIZE_7975               (54 * MT_EE_CAL_UNIT + 16)
#define MT_EE_CAL_GROUP_SIZE_7976               (94 * MT_EE_CAL_UNIT + 16)
#define MT_EE_CAL_GROUP_SIZE_7916_6G            (94 * MT_EE_CAL_UNIT + 16)
#define MT_EE_CAL_GROUP_SIZE_7981               (144 * MT_EE_CAL_UNIT + 16)
#define MT_EE_CAL_DPD_SIZE_V1                   (54 * MT_EE_CAL_UNIT)
#define MT_EE_CAL_DPD_SIZE_V2                   (300 * MT_EE_CAL_UNIT)

#define MT_EE_WIFI_CONF0_TX_PATH                GENMASK(2, 0)
#define MT_EE_WIFI_CONF0_RX_PATH                GENMASK(5, 3)
#define MT_EE_WIFI_CONF0_BAND_SEL               GENMASK(7, 6)
#define MT_EE_WIFI_CONF1_BAND_SEL               GENMASK(7, 6)
#define MT_EE_WIFI_CONF_STREAM_NUM              GENMASK(7, 5)
#define MT_EE_WIFI_CONF3_TX_PATH_B0             GENMASK(1, 0)
#define MT_EE_WIFI_CONF3_TX_PATH_B1             GENMASK(5, 4)
#define MT_EE_WIFI_CONF7_TSSI0_2G               BIT(0)
#define MT_EE_WIFI_CONF7_TSSI0_5G               BIT(2)
#define MT_EE_WIFI_CONF7_TSSI1_5G               BIT(4)

#define MT_EE_RATE_DELTA_MASK                   GENMASK(5, 0)
#define MT_EE_RATE_DELTA_SIGN                   BIT(6)
#define MT_EE_RATE_DELTA_EN                     BIT(7)

enum mt7915_adie_sku {
        MT7976_ONE_ADIE_DBDC = 0x7,
        MT7975_ONE_ADIE = 0x8,
        MT7976_ONE_ADIE = 0xa,
        MT7975_DUAL_ADIE = 0xd,
        MT7976_DUAL_ADIE = 0xf,
};

enum mt7915_eeprom_band {
        MT_EE_BAND_SEL_DEFAULT,
        MT_EE_BAND_SEL_5GHZ,
        MT_EE_BAND_SEL_2GHZ,
        MT_EE_BAND_SEL_DUAL,
};

enum {
        MT_EE_V2_BAND_SEL_2GHZ,
        MT_EE_V2_BAND_SEL_5GHZ,
        MT_EE_V2_BAND_SEL_6GHZ,
        MT_EE_V2_BAND_SEL_5GHZ_6GHZ,
};

enum mt7915_sku_rate_group {
        SKU_CCK,
        SKU_OFDM,
        SKU_HT_BW20,
        SKU_HT_BW40,
        SKU_VHT_BW20,
        SKU_VHT_BW40,
        SKU_VHT_BW80,
        SKU_VHT_BW160,
        SKU_HE_RU26,
        SKU_HE_RU52,
        SKU_HE_RU106,
        SKU_HE_RU242,
        SKU_HE_RU484,
        SKU_HE_RU996,
        SKU_HE_RU2x996,
        MAX_SKU_RATE_GROUP_NUM,
};

static inline int
mt7915_get_channel_group_5g(int channel, bool is_7976)
{
        if (is_7976) {
                if (channel <= 64)
                        return 0;
                if (channel <= 96)
                        return 1;
                if (channel <= 128)
                        return 2;
                if (channel <= 144)
                        return 3;
                return 4;
        }

        if (channel >= 184 && channel <= 196)
                return 0;
        if (channel <= 48)
                return 1;
        if (channel <= 64)
                return 2;
        if (channel <= 96)
                return 3;
        if (channel <= 112)
                return 4;
        if (channel <= 128)
                return 5;
        if (channel <= 144)
                return 6;
        return 7;
}

static inline int
mt7915_get_channel_group_6g(int channel)
{
        if (channel <= 29)
                return 0;

        return DIV_ROUND_UP(channel - 29, 32);
}

static inline bool
mt7915_tssi_enabled(struct mt7915_dev *dev, enum nl80211_band band)
{
        u8 *eep = dev->mt76.eeprom.data;
        u8 offs = is_mt7981(&dev->mt76) ? 8 : 7;
        u8 val = eep[MT_EE_WIFI_CONF + offs];

        if (band == NL80211_BAND_2GHZ)
                return val & MT_EE_WIFI_CONF7_TSSI0_2G;

        if (dev->dbdc_support)
                return val & MT_EE_WIFI_CONF7_TSSI1_5G;
        else
                return val & MT_EE_WIFI_CONF7_TSSI0_5G;
}

static inline u32
mt7915_get_cal_group_size(struct mt7915_dev *dev)
{
        u8 *eep = dev->mt76.eeprom.data;
        u32 val;

        if (is_mt7915(&dev->mt76)) {
                return MT_EE_CAL_GROUP_SIZE_7915;
        } else if (is_mt7916(&dev->mt76)) {
                val = eep[MT_EE_WIFI_CONF + 1];
                val = FIELD_GET(MT_EE_WIFI_CONF0_BAND_SEL, val);
                return (val == MT_EE_V2_BAND_SEL_6GHZ) ? MT_EE_CAL_GROUP_SIZE_7916_6G :
                                                         MT_EE_CAL_GROUP_SIZE_7916;
        } else if (is_mt7981(&dev->mt76)) {
                return MT_EE_CAL_GROUP_SIZE_7981;
        } else if (mt7915_check_adie(dev, false)) {
                return MT_EE_CAL_GROUP_SIZE_7976;
        } else {
                return MT_EE_CAL_GROUP_SIZE_7975;
        }
}

static inline u32
mt7915_get_cal_dpd_size(struct mt7915_dev *dev)
{
        if (is_mt7915(&dev->mt76))
                return MT_EE_CAL_DPD_SIZE_V1;
        else
                return MT_EE_CAL_DPD_SIZE_V2;
}

extern const u8 mt7915_sku_group_len[MAX_SKU_RATE_GROUP_NUM];

#endif