1 // SPDX-License-Identifier: ISC
2 /*
3  * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
4  * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
5  */
6 
7 #include <linux/kernel.h>
8 #include <linux/firmware.h>
9 #include <linux/delay.h>
10 
11 #include "mt76x2.h"
12 #include "mcu.h"
13 #include "eeprom.h"
14 
mt76x2_mcu_set_channel(struct mt76x02_dev * dev,u8 channel,u8 bw,u8 bw_index,bool scan)15 int mt76x2_mcu_set_channel(struct mt76x02_dev *dev, u8 channel, u8 bw,
16 			   u8 bw_index, bool scan)
17 {
18 	struct {
19 		u8 idx;
20 		u8 scan;
21 		u8 bw;
22 		u8 _pad0;
23 
24 		__le16 chainmask;
25 		u8 ext_chan;
26 		u8 _pad1;
27 
28 	} __packed __aligned(4) msg = {
29 		.idx = channel,
30 		.scan = scan,
31 		.bw = bw,
32 		.chainmask = cpu_to_le16(dev->mphy.chainmask),
33 	};
34 
35 	/* first set the channel without the extension channel info */
36 	mt76_mcu_send_msg(&dev->mt76, CMD_SWITCH_CHANNEL_OP, &msg,
37 			  sizeof(msg), true);
38 
39 	usleep_range(5000, 10000);
40 
41 	msg.ext_chan = 0xe0 + bw_index;
42 	return mt76_mcu_send_msg(&dev->mt76, CMD_SWITCH_CHANNEL_OP, &msg,
43 				 sizeof(msg), true);
44 }
45 EXPORT_SYMBOL_GPL(mt76x2_mcu_set_channel);
46 
mt76x2_mcu_load_cr(struct mt76x02_dev * dev,u8 type,u8 temp_level,u8 channel)47 int mt76x2_mcu_load_cr(struct mt76x02_dev *dev, u8 type, u8 temp_level,
48 		       u8 channel)
49 {
50 	struct {
51 		u8 cr_mode;
52 		u8 temp;
53 		u8 ch;
54 		u8 _pad0;
55 
56 		__le32 cfg;
57 	} __packed __aligned(4) msg = {
58 		.cr_mode = type,
59 		.temp = temp_level,
60 		.ch = channel,
61 	};
62 	u32 val;
63 
64 	val = BIT(31);
65 	val |= (mt76x02_eeprom_get(dev, MT_EE_NIC_CONF_0) >> 8) & 0x00ff;
66 	val |= (mt76x02_eeprom_get(dev, MT_EE_NIC_CONF_1) << 8) & 0xff00;
67 	msg.cfg = cpu_to_le32(val);
68 
69 	/* first set the channel without the extension channel info */
70 	return mt76_mcu_send_msg(&dev->mt76, CMD_LOAD_CR, &msg, sizeof(msg),
71 				 true);
72 }
73 EXPORT_SYMBOL_GPL(mt76x2_mcu_load_cr);
74 
mt76x2_mcu_init_gain(struct mt76x02_dev * dev,u8 channel,u32 gain,bool force)75 int mt76x2_mcu_init_gain(struct mt76x02_dev *dev, u8 channel, u32 gain,
76 			 bool force)
77 {
78 	struct {
79 		__le32 channel;
80 		__le32 gain_val;
81 	} __packed __aligned(4) msg = {
82 		.channel = cpu_to_le32(channel),
83 		.gain_val = cpu_to_le32(gain),
84 	};
85 
86 	if (force)
87 		msg.channel |= cpu_to_le32(BIT(31));
88 
89 	return mt76_mcu_send_msg(&dev->mt76, CMD_INIT_GAIN_OP, &msg,
90 				 sizeof(msg), true);
91 }
92 EXPORT_SYMBOL_GPL(mt76x2_mcu_init_gain);
93 
mt76x2_mcu_tssi_comp(struct mt76x02_dev * dev,struct mt76x2_tssi_comp * tssi_data)94 int mt76x2_mcu_tssi_comp(struct mt76x02_dev *dev,
95 			 struct mt76x2_tssi_comp *tssi_data)
96 {
97 	struct {
98 		__le32 id;
99 		struct mt76x2_tssi_comp data;
100 	} __packed __aligned(4) msg = {
101 		.id = cpu_to_le32(MCU_CAL_TSSI_COMP),
102 		.data = *tssi_data,
103 	};
104 
105 	return mt76_mcu_send_msg(&dev->mt76, CMD_CALIBRATION_OP, &msg,
106 				 sizeof(msg), true);
107 }
108 EXPORT_SYMBOL_GPL(mt76x2_mcu_tssi_comp);
109