1 /* SPDX-License-Identifier: ISC */
2 /* Copyright (C) 2019 MediaTek Inc. */
3 
4 #ifndef __MT7615_EEPROM_H
5 #define __MT7615_EEPROM_H
6 
7 #include "mt7615.h"
8 
9 enum mt7615_eeprom_field {
10 	MT_EE_CHIP_ID =				0x000,
11 	MT_EE_VERSION =				0x002,
12 	MT_EE_MAC_ADDR =			0x004,
13 	MT_EE_NIC_CONF_0 =			0x034,
14 	MT_EE_NIC_CONF_1 =			0x036,
15 	MT_EE_WIFI_CONF =			0x03e,
16 	MT_EE_TX0_2G_TARGET_POWER =		0x058,
17 	MT_EE_TX0_5G_G0_TARGET_POWER =		0x070,
18 	MT_EE_TX1_5G_G0_TARGET_POWER =		0x098,
19 	MT_EE_EXT_PA_2G_TARGET_POWER =		0x0f2,
20 	MT_EE_EXT_PA_5G_TARGET_POWER =		0x0f3,
21 	MT_EE_TX2_5G_G0_TARGET_POWER =		0x142,
22 	MT_EE_TX3_5G_G0_TARGET_POWER =		0x16a,
23 
24 	__MT_EE_MAX =				0x3bf
25 };
26 
27 #define MT_EE_NIC_CONF_TX_MASK			GENMASK(7, 4)
28 #define MT_EE_NIC_CONF_RX_MASK			GENMASK(3, 0)
29 
30 #define MT_EE_NIC_CONF_TSSI_2G			BIT(5)
31 #define MT_EE_NIC_CONF_TSSI_5G			BIT(6)
32 
33 #define MT_EE_NIC_WIFI_CONF_BAND_SEL		GENMASK(5, 4)
34 enum mt7615_eeprom_band {
35 	MT_EE_DUAL_BAND,
36 	MT_EE_5GHZ,
37 	MT_EE_2GHZ,
38 	MT_EE_DBDC,
39 };
40 
41 enum mt7615_channel_group {
42 	MT_CH_5G_JAPAN,
43 	MT_CH_5G_UNII_1,
44 	MT_CH_5G_UNII_2A,
45 	MT_CH_5G_UNII_2B,
46 	MT_CH_5G_UNII_2E_1,
47 	MT_CH_5G_UNII_2E_2,
48 	MT_CH_5G_UNII_2E_3,
49 	MT_CH_5G_UNII_3,
50 	__MT_CH_MAX
51 };
52 
53 static inline enum mt7615_channel_group
54 mt7615_get_channel_group(int channel)
55 {
56 	if (channel >= 184 && channel <= 196)
57 		return MT_CH_5G_JAPAN;
58 	if (channel <= 48)
59 		return MT_CH_5G_UNII_1;
60 	if (channel <= 64)
61 		return MT_CH_5G_UNII_2A;
62 	if (channel <= 114)
63 		return MT_CH_5G_UNII_2E_1;
64 	if (channel <= 144)
65 		return MT_CH_5G_UNII_2E_2;
66 	if (channel <= 161)
67 		return MT_CH_5G_UNII_2E_3;
68 	return MT_CH_5G_UNII_3;
69 }
70 
71 static inline bool
72 mt7615_ext_pa_enabled(struct mt7615_dev *dev, enum nl80211_band band)
73 {
74 	u8 *eep = dev->mt76.eeprom.data;
75 
76 	if (band == NL80211_BAND_5GHZ)
77 		return !(eep[MT_EE_NIC_CONF_1 + 1] & MT_EE_NIC_CONF_TSSI_5G);
78 	else
79 		return !(eep[MT_EE_NIC_CONF_1 + 1] & MT_EE_NIC_CONF_TSSI_2G);
80 }
81 
82 #endif
83