1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org>
4  * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl>
5  * Copyright (C) 2018 Stanislaw Gruszka <stf_xl@wp.pl>
6  */
7 
8 #ifndef __MT76X0U_EEPROM_H
9 #define __MT76X0U_EEPROM_H
10 
11 #include "../mt76x02_eeprom.h"
12 
13 struct mt76x02_dev;
14 
15 #define MT76X0U_EE_MAX_VER		0x0c
16 #define MT76X0_EEPROM_SIZE		512
17 
18 int mt76x0_eeprom_init(struct mt76x02_dev *dev);
19 void mt76x0_read_rx_gain(struct mt76x02_dev *dev);
20 void mt76x0_get_tx_power_per_rate(struct mt76x02_dev *dev,
21 				  struct ieee80211_channel *chan,
22 				  struct mt76x02_rate_power *t);
23 void mt76x0_get_power_info(struct mt76x02_dev *dev,
24 			   struct ieee80211_channel *chan, s8 *tp);
25 
26 static inline s8 s6_to_s8(u32 val)
27 {
28 	s8 ret = val & GENMASK(5, 0);
29 
30 	if (ret & BIT(5))
31 		ret -= BIT(6);
32 	return ret;
33 }
34 
35 static inline bool mt76x0_tssi_enabled(struct mt76x02_dev *dev)
36 {
37 	return (mt76x02_eeprom_get(dev, MT_EE_NIC_CONF_1) &
38 		MT_EE_NIC_CONF_1_TX_ALC_EN);
39 }
40 
41 #endif
42