1 /*
2  * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
3  *
4  * Permission to use, copy, modify, and/or distribute this software for any
5  * purpose with or without fee is hereby granted, provided that the above
6  * copyright notice and this permission notice appear in all copies.
7  *
8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15  */
16 
17 #ifndef __MT76x2_EEPROM_H
18 #define __MT76x2_EEPROM_H
19 
20 #include "../mt76x02_eeprom.h"
21 
22 enum mt76x2_cal_channel_group {
23 	MT_CH_5G_JAPAN,
24 	MT_CH_5G_UNII_1,
25 	MT_CH_5G_UNII_2,
26 	MT_CH_5G_UNII_2E_1,
27 	MT_CH_5G_UNII_2E_2,
28 	MT_CH_5G_UNII_3,
29 	__MT_CH_MAX
30 };
31 
32 struct mt76x2_tx_power_info {
33 	u8 target_power;
34 
35 	s8 delta_bw40;
36 	s8 delta_bw80;
37 
38 	struct {
39 		s8 tssi_slope;
40 		s8 tssi_offset;
41 		s8 target_power;
42 		s8 delta;
43 	} chain[MT_MAX_CHAINS];
44 };
45 
46 struct mt76x2_temp_comp {
47 	u8 temp_25_ref;
48 	int lower_bound; /* J */
49 	int upper_bound; /* J */
50 	unsigned int high_slope; /* J / dB */
51 	unsigned int low_slope; /* J / dB */
52 };
53 
54 void mt76x2_get_rate_power(struct mt76x02_dev *dev, struct mt76_rate_power *t,
55 			   struct ieee80211_channel *chan);
56 void mt76x2_get_power_info(struct mt76x02_dev *dev,
57 			   struct mt76x2_tx_power_info *t,
58 			   struct ieee80211_channel *chan);
59 int mt76x2_get_temp_comp(struct mt76x02_dev *dev, struct mt76x2_temp_comp *t);
60 void mt76x2_read_rx_gain(struct mt76x02_dev *dev);
61 
62 static inline bool
63 mt76x2_has_ext_lna(struct mt76x02_dev *dev)
64 {
65 	u32 val = mt76x02_eeprom_get(&dev->mt76, MT_EE_NIC_CONF_1);
66 
67 	if (dev->mt76.chandef.chan->band == NL80211_BAND_2GHZ)
68 		return val & MT_EE_NIC_CONF_1_LNA_EXT_2G;
69 	else
70 		return val & MT_EE_NIC_CONF_1_LNA_EXT_5G;
71 }
72 
73 #endif
74