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/*
* Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org>
* Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl>
* Copyright (C) 2018 Stanislaw Gruszka <stf_xl@wp.pl>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef __MT76X0U_EEPROM_H
#define __MT76X0U_EEPROM_H
#include "../mt76x02_eeprom.h"
struct mt76x0_dev;
#define MT76X0U_EE_MAX_VER 0x0c
#define MT76X0_EEPROM_SIZE 512
struct reg_channel_bounds {
u8 start;
u8 num;
};
struct mt76x0_eeprom_params {
u8 rf_freq_off;
s16 temp_off;
s8 rssi_offset_2ghz[2];
s8 rssi_offset_5ghz[3];
s8 lna_gain_2ghz;
s8 lna_gain_5ghz[3];
u8 pa_type;
/* TX_PWR_CFG_* values from EEPROM for 20 and 40 Mhz bandwidths. */
u32 tx_pwr_cfg_2g[5][2];
u32 tx_pwr_cfg_5g[5][2];
u8 tx_pwr_per_chan[58];
struct reg_channel_bounds reg;
};
int mt76x0_eeprom_init(struct mt76x0_dev *dev);
static inline u32 s6_validate(u32 reg)
{
WARN_ON(reg & ~GENMASK(5, 0));
return reg & GENMASK(5, 0);
}
static inline int s6_to_int(u32 reg)
{
int s6;
s6 = s6_validate(reg);
if (s6 & BIT(5))
s6 -= BIT(6);
return s6;
}
static inline u32 int_to_s6(int val)
{
if (val < -0x20)
return 0x20;
if (val > 0x1f)
return 0x1f;
return val & 0x3f;
}
#endif
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