summaryrefslogtreecommitdiffstats
path: root/drivers/net/wireless/mediatek/mt7601u/debugfs.c
blob: 5e549831370c7d6baae9bc712b67c17470f49eb0 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org>
 * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl>
 */

#include <linux/debugfs.h>

#include "mt7601u.h"
#include "eeprom.h"

static int
mt76_reg_set(void *data, u64 val)
{
	struct mt7601u_dev *dev = data;

	mt76_wr(dev, dev->debugfs_reg, val);
	return 0;
}

static int
mt76_reg_get(void *data, u64 *val)
{
	struct mt7601u_dev *dev = data;

	*val = mt76_rr(dev, dev->debugfs_reg);
	return 0;
}

DEFINE_SIMPLE_ATTRIBUTE(fops_regval, mt76_reg_get, mt76_reg_set, "0x%08llx\n");

static int
mt7601u_ampdu_stat_read(struct seq_file *file, void *data)
{
	struct mt7601u_dev *dev = file->private;
	int i, j;

#define stat_printf(grp, off, name)					\
	seq_printf(file, #name ":\t%llu\n", dev->stats.grp[off])

	stat_printf(rx_stat, 0, rx_crc_err);
	stat_printf(rx_stat, 1, rx_phy_err);
	stat_printf(rx_stat, 2, rx_false_cca);
	stat_printf(rx_stat, 3, rx_plcp_err);
	stat_printf(rx_stat, 4, rx_fifo_overflow);
	stat_printf(rx_stat, 5, rx_duplicate);

	stat_printf(tx_stat, 0, tx_fail_cnt);
	stat_printf(tx_stat, 1, tx_bcn_cnt);
	stat_printf(tx_stat, 2, tx_success);
	stat_printf(tx_stat, 3, tx_retransmit);
	stat_printf(tx_stat, 4, tx_zero_len);
	stat_printf(tx_stat, 5, tx_underflow);

	stat_printf(aggr_stat, 0, non_aggr_tx);
	stat_printf(aggr_stat, 1, aggr_tx);

	stat_printf(zero_len_del, 0, tx_zero_len_del);
	stat_printf(zero_len_del, 1, rx_zero_len_del);
#undef stat_printf

	seq_puts(file, "Aggregations stats:\n");
	for (i = 0; i < 4; i++) {
		for (j = 0; j < 8; j++)
			seq_printf(file, "%08llx ",
				   dev->stats.aggr_n[i * 8 + j]);
		seq_putc(file, '\n');
	}

	seq_printf(file, "recent average AMPDU len: %d\n",
		   atomic_read(&dev->avg_ampdu_len));

	return 0;
}

static int
mt7601u_ampdu_stat_open(struct inode *inode, struct file *f)
{
	return single_open(f, mt7601u_ampdu_stat_read, inode->i_private);
}

static const struct file_operations fops_ampdu_stat = {
	.open = mt7601u_ampdu_stat_open,
	.read = seq_read,
	.llseek = seq_lseek,
	.release = single_release,
};

static int
mt7601u_eeprom_param_read(struct seq_file *file, void *data)
{
	struct mt7601u_dev *dev = file->private;
	struct mt7601u_rate_power *rp = &dev->ee->power_rate_table;
	struct tssi_data *td = &dev->ee->tssi_data;
	int i;

	seq_printf(file, "RF freq offset: %hhx\n", dev->ee->rf_freq_off);
	seq_printf(file, "RSSI offset: %hhx %hhx\n",
		   dev->ee->rssi_offset[0], dev->ee->rssi_offset[1]);
	seq_printf(file, "Reference temp: %hhx\n", dev->ee->ref_temp);
	seq_printf(file, "LNA gain: %hhx\n", dev->ee->lna_gain);
	seq_printf(file, "Reg channels: %hhu-%hhu\n", dev->ee->reg.start,
		   dev->ee->reg.start + dev->ee->reg.num - 1);

	seq_puts(file, "Per rate power:\n");
	for (i = 0; i < 2; i++)
		seq_printf(file, "\t raw:%02hhx bw20:%02hhx bw40:%02hhx\n",
			   rp->cck[i].raw, rp->cck[i].bw20, rp->cck[i].bw40);
	for (i = 0; i < 4; i++)
		seq_printf(file, "\t raw:%02hhx bw20:%02hhx bw40:%02hhx\n",
			   rp->ofdm[i].raw, rp->ofdm[i].bw20, rp->ofdm[i].bw40);
	for (i = 0; i < 4; i++)
		seq_printf(file, "\t raw:%02hhx bw20:%02hhx bw40:%02hhx\n",
			   rp->ht[i].raw, rp->ht[i].bw20, rp->ht[i].bw40);

	seq_puts(file, "Per channel power:\n");
	for (i = 0; i < 7; i++)
		seq_printf(file, "\t tx_power  ch%u:%02hhx ch%u:%02hhx\n",
			   i * 2 + 1, dev->ee->chan_pwr[i * 2],
			   i * 2 + 2, dev->ee->chan_pwr[i * 2 + 1]);

	if (!dev->ee->tssi_enabled)
		return 0;

	seq_puts(file, "TSSI:\n");
	seq_printf(file, "\t slope:%02hhx\n", td->slope);
	seq_printf(file, "\t offset=%02hhx %02hhx %02hhx\n",
		   td->offset[0], td->offset[1], td->offset[2]);
	seq_printf(file, "\t delta_off:%08x\n", td->tx0_delta_offset);

	return 0;
}

static int
mt7601u_eeprom_param_open(struct inode *inode, struct file *f)
{
	return single_open(f, mt7601u_eeprom_param_read, inode->i_private);
}

static const struct file_operations fops_eeprom_param = {
	.open = mt7601u_eeprom_param_open,
	.read = seq_read,
	.llseek = seq_lseek,
	.release = single_release,
};

void mt7601u_init_debugfs(struct mt7601u_dev *dev)
{
	struct dentry *dir;

	dir = debugfs_create_dir("mt7601u", dev->hw->wiphy->debugfsdir);
	if (!dir)
		return;

	debugfs_create_u8("temperature", 0400, dir, &dev->raw_temp);
	debugfs_create_u32("temp_mode", 0400, dir, &dev->temp_mode);

	debugfs_create_u32("regidx", 0600, dir, &dev->debugfs_reg);
	debugfs_create_file("regval", 0600, dir, dev, &fops_regval);
	debugfs_create_file("ampdu_stat", 0400, dir, dev, &fops_ampdu_stat);
	debugfs_create_file("eeprom_param", 0400, dir, dev, &fops_eeprom_param);
}