mirror of
https://github.com/outbackdingo/mt76.git
synced 2026-10-24 21:36:52 +00:00
Ryder LeeandFelix Fietkau
cf0e406af8
When the EEPROM data is read from flash, it can contain pre-calibration data, which can save calibration time. Note that group_cal can save 30% bootup calibration time, and dpd_cal can save 75% channel switching time. Tested-by: Bo Jiao <[email protected]> Signed-off-by: Ryder Lee <[email protected]> Signed-off-by: Felix Fietkau <[email protected]>
139 lines
2.7 KiB
C
139 lines
2.7 KiB
C
/* SPDX-License-Identifier: ISC */
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/* Copyright (C) 2020 MediaTek Inc. */
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#ifndef __MT7915_EEPROM_H
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#define __MT7915_EEPROM_H
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#include "mt7915.h"
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struct cal_data {
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u8 count;
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u16 offset[60];
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};
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enum mt7915_eeprom_field {
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MT_EE_CHIP_ID = 0x000,
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MT_EE_VERSION = 0x002,
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MT_EE_MAC_ADDR = 0x004,
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MT_EE_MAC_ADDR2 = 0x00a,
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MT_EE_DDIE_FT_VERSION = 0x050,
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MT_EE_DO_PRE_CAL = 0x062,
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MT_EE_WIFI_CONF = 0x190,
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MT_EE_TX0_POWER_2G = 0x2fc,
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MT_EE_TX0_POWER_5G = 0x34b,
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MT_EE_ADIE_FT_VERSION = 0x9a0,
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__MT_EE_MAX = 0xe00,
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/* 0xe10 ~ 0x5780 used to save group cal data */
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MT_EE_PRECAL = 0xe10
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};
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#define MT_EE_WIFI_CAL_GROUP BIT(0)
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#define MT_EE_WIFI_CAL_DPD GENMASK(2, 1)
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#define MT_EE_CAL_UNIT 1024
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#define MT_EE_CAL_GROUP_SIZE (44 * MT_EE_CAL_UNIT)
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#define MT_EE_CAL_DPD_SIZE (54 * MT_EE_CAL_UNIT)
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#define MT_EE_WIFI_CONF0_TX_PATH GENMASK(2, 0)
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#define MT_EE_WIFI_CONF0_BAND_SEL GENMASK(7, 6)
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#define MT_EE_WIFI_CONF1_BAND_SEL GENMASK(7, 6)
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#define MT_EE_WIFI_CONF3_TX_PATH_B0 GENMASK(1, 0)
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#define MT_EE_WIFI_CONF3_TX_PATH_B1 GENMASK(5, 4)
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#define MT_EE_WIFI_CONF7_TSSI0_2G BIT(0)
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#define MT_EE_WIFI_CONF7_TSSI0_5G BIT(2)
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#define MT_EE_WIFI_CONF7_TSSI1_5G BIT(4)
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enum mt7915_eeprom_band {
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MT_EE_BAND_SEL_DEFAULT,
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MT_EE_BAND_SEL_5GHZ,
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MT_EE_BAND_SEL_2GHZ,
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MT_EE_BAND_SEL_DUAL,
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};
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#define SKU_DELTA_VAL GENMASK(5, 0)
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#define SKU_DELTA_ADD BIT(6)
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#define SKU_DELTA_EN BIT(7)
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enum mt7915_sku_delta_group {
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SKU_CCK_GROUP0,
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SKU_CCK_GROUP1,
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SKU_OFDM_GROUP0 = 0,
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SKU_OFDM_GROUP1,
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SKU_OFDM_GROUP2,
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SKU_OFDM_GROUP3,
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SKU_OFDM_GROUP4,
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SKU_MCS_GROUP0 = 0,
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SKU_MCS_GROUP1,
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SKU_MCS_GROUP2,
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SKU_MCS_GROUP3,
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SKU_MCS_GROUP4,
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SKU_MCS_GROUP5,
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SKU_MCS_GROUP6,
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SKU_MCS_GROUP7,
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SKU_MCS_GROUP8,
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SKU_MCS_GROUP9,
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};
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enum mt7915_sku_rate_group {
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SKU_CCK,
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SKU_OFDM,
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SKU_HT_BW20,
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SKU_HT_BW40,
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SKU_VHT_BW20,
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SKU_VHT_BW40,
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SKU_VHT_BW80,
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SKU_VHT_BW160,
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SKU_HE_RU26,
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SKU_HE_RU52,
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SKU_HE_RU106,
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SKU_HE_RU242,
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SKU_HE_RU484,
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SKU_HE_RU996,
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SKU_HE_RU2x996,
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MAX_SKU_RATE_GROUP_NUM,
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};
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struct sku_group {
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u8 len;
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u16 offset[2];
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const u8 *delta_map;
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};
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static inline int
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mt7915_get_channel_group(int channel)
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{
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if (channel >= 184 && channel <= 196)
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return 0;
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if (channel <= 48)
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return 1;
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if (channel <= 64)
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return 2;
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if (channel <= 96)
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return 3;
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if (channel <= 112)
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return 4;
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if (channel <= 128)
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return 5;
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if (channel <= 144)
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return 6;
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return 7;
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}
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static inline bool
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mt7915_tssi_enabled(struct mt7915_dev *dev, enum nl80211_band band)
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{
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u8 *eep = dev->mt76.eeprom.data;
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/* TODO: DBDC */
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if (band == NL80211_BAND_5GHZ)
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return eep[MT_EE_WIFI_CONF + 7] & MT_EE_WIFI_CONF7_TSSI0_5G;
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else
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return eep[MT_EE_WIFI_CONF + 7] & MT_EE_WIFI_CONF7_TSSI0_2G;
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}
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extern const struct sku_group mt7915_sku_groups[];
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#endif
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