152 lines
3.4 KiB
C
152 lines
3.4 KiB
C
/*
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* Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org>
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* Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2
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* as published by the Free Software Foundation
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef __MT7601U_EEPROM_H
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#define __MT7601U_EEPROM_H
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struct mt7601u_dev;
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#define MT7601U_EE_MAX_VER 0x0c
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#define MT7601U_EEPROM_SIZE 256
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#define MT7601U_DEFAULT_TX_POWER 6
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enum mt76_eeprom_field {
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MT_EE_CHIP_ID = 0x00,
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MT_EE_VERSION_FAE = 0x02,
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MT_EE_VERSION_EE = 0x03,
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MT_EE_MAC_ADDR = 0x04,
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MT_EE_NIC_CONF_0 = 0x34,
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MT_EE_NIC_CONF_1 = 0x36,
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MT_EE_COUNTRY_REGION = 0x39,
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MT_EE_FREQ_OFFSET = 0x3a,
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MT_EE_NIC_CONF_2 = 0x42,
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MT_EE_LNA_GAIN = 0x44,
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MT_EE_RSSI_OFFSET = 0x46,
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MT_EE_TX_POWER_DELTA_BW40 = 0x50,
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MT_EE_TX_POWER_OFFSET = 0x52,
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MT_EE_TX_TSSI_SLOPE = 0x6e,
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MT_EE_TX_TSSI_OFFSET_GROUP = 0x6f,
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MT_EE_TX_TSSI_OFFSET = 0x76,
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MT_EE_TX_TSSI_TARGET_POWER = 0xd0,
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MT_EE_REF_TEMP = 0xd1,
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MT_EE_FREQ_OFFSET_COMPENSATION = 0xdb,
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MT_EE_TX_POWER_BYRATE_BASE = 0xde,
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MT_EE_USAGE_MAP_START = 0x1e0,
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MT_EE_USAGE_MAP_END = 0x1fc,
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};
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#define MT_EE_NIC_CONF_0_RX_PATH GENMASK(3, 0)
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#define MT_EE_NIC_CONF_0_TX_PATH GENMASK(7, 4)
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#define MT_EE_NIC_CONF_0_BOARD_TYPE GENMASK(13, 12)
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#define MT_EE_NIC_CONF_1_HW_RF_CTRL BIT(0)
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#define MT_EE_NIC_CONF_1_TEMP_TX_ALC BIT(1)
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#define MT_EE_NIC_CONF_1_LNA_EXT_2G BIT(2)
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#define MT_EE_NIC_CONF_1_LNA_EXT_5G BIT(3)
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#define MT_EE_NIC_CONF_1_TX_ALC_EN BIT(13)
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#define MT_EE_NIC_CONF_2_RX_STREAM GENMASK(3, 0)
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#define MT_EE_NIC_CONF_2_TX_STREAM GENMASK(7, 4)
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#define MT_EE_NIC_CONF_2_HW_ANTDIV BIT(8)
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#define MT_EE_NIC_CONF_2_XTAL_OPTION GENMASK(10, 9)
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#define MT_EE_NIC_CONF_2_TEMP_DISABLE BIT(11)
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#define MT_EE_NIC_CONF_2_COEX_METHOD GENMASK(15, 13)
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#define MT_EE_TX_POWER_BYRATE(i) (MT_EE_TX_POWER_BYRATE_BASE + \
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(i) * 4)
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#define MT_EFUSE_USAGE_MAP_SIZE (MT_EE_USAGE_MAP_END - \
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MT_EE_USAGE_MAP_START + 1)
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enum mt7601u_eeprom_access_modes {
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MT_EE_READ = 0,
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MT_EE_PHYSICAL_READ = 1,
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};
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struct power_per_rate {
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u8 raw; /* validated s6 value */
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s8 bw20; /* sign-extended int */
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s8 bw40; /* sign-extended int */
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};
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/* Power per rate - one value per two rates */
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struct mt7601u_rate_power {
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struct power_per_rate cck[2];
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struct power_per_rate ofdm[4];
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struct power_per_rate ht[4];
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};
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struct reg_channel_bounds {
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u8 start;
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u8 num;
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};
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struct mt7601u_eeprom_params {
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bool tssi_enabled;
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u8 rf_freq_off;
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s8 rssi_offset[2];
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s8 ref_temp;
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s8 lna_gain;
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u8 chan_pwr[14];
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struct mt7601u_rate_power power_rate_table;
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s8 real_cck_bw20[2];
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/* TSSI stuff - only with internal TX ALC */
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struct tssi_data {
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int tx0_delta_offset;
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u8 slope;
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u8 offset[3];
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} tssi_data;
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struct reg_channel_bounds reg;
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};
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int mt7601u_eeprom_init(struct mt7601u_dev *dev);
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static inline u32 s6_validate(u32 reg)
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{
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WARN_ON(reg & ~GENMASK(5, 0));
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return reg & GENMASK(5, 0);
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}
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static inline int s6_to_int(u32 reg)
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{
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int s6;
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s6 = s6_validate(reg);
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if (s6 & BIT(5))
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s6 -= BIT(6);
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return s6;
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}
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static inline u32 int_to_s6(int val)
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{
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if (val < -0x20)
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return 0x20;
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if (val > 0x1f)
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return 0x1f;
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return val & 0x3f;
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}
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#endif
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