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 	MT7663_EE_TX0_2G_TARGET_POWER =		0x123,
22 	MT_EE_TX2_5G_G0_TARGET_POWER =		0x142,
23 	MT_EE_TX3_5G_G0_TARGET_POWER =		0x16a,
24 
25 	MT7615_EE_MAX =				0x3bf,
26 	MT7622_EE_MAX =				0x3db,
27 	MT7663_EE_MAX =				0x400,
28 };
29 
30 #define MT_EE_NIC_CONF_TX_MASK			GENMASK(7, 4)
31 #define MT_EE_NIC_CONF_RX_MASK			GENMASK(3, 0)
32 
33 #define MT_EE_NIC_CONF_TSSI_2G			BIT(5)
34 #define MT_EE_NIC_CONF_TSSI_5G			BIT(6)
35 
36 #define MT_EE_NIC_WIFI_CONF_BAND_SEL		GENMASK(5, 4)
37 enum mt7615_eeprom_band {
38 	MT_EE_DUAL_BAND,
39 	MT_EE_5GHZ,
40 	MT_EE_2GHZ,
41 	MT_EE_DBDC,
42 };
43 
44 enum mt7615_channel_group {
45 	MT_CH_5G_JAPAN,
46 	MT_CH_5G_UNII_1,
47 	MT_CH_5G_UNII_2A,
48 	MT_CH_5G_UNII_2B,
49 	MT_CH_5G_UNII_2E_1,
50 	MT_CH_5G_UNII_2E_2,
51 	MT_CH_5G_UNII_2E_3,
52 	MT_CH_5G_UNII_3,
53 	__MT_CH_MAX
54 };
55 
56 static inline enum mt7615_channel_group
57 mt7615_get_channel_group(int channel)
58 {
59 	if (channel >= 184 && channel <= 196)
60 		return MT_CH_5G_JAPAN;
61 	if (channel <= 48)
62 		return MT_CH_5G_UNII_1;
63 	if (channel <= 64)
64 		return MT_CH_5G_UNII_2A;
65 	if (channel <= 114)
66 		return MT_CH_5G_UNII_2E_1;
67 	if (channel <= 144)
68 		return MT_CH_5G_UNII_2E_2;
69 	if (channel <= 161)
70 		return MT_CH_5G_UNII_2E_3;
71 	return MT_CH_5G_UNII_3;
72 }
73 
74 static inline bool
75 mt7615_ext_pa_enabled(struct mt7615_dev *dev, enum nl80211_band band)
76 {
77 	u8 *eep = dev->mt76.eeprom.data;
78 
79 	if (band == NL80211_BAND_5GHZ)
80 		return !(eep[MT_EE_NIC_CONF_1 + 1] & MT_EE_NIC_CONF_TSSI_5G);
81 	else
82 		return !(eep[MT_EE_NIC_CONF_1 + 1] & MT_EE_NIC_CONF_TSSI_2G);
83 }
84 
85 #endif
86