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git01.mediatek.com / openwrt / feeds / mtk-openwrt-feeds / bbca0f9f800f73805d373968b2fc52ce9807f3c4 / . / autobuild_mac80211_release / mt7986_besra_mac80211 / package / kernel / mt76 / src / debugfs.c
blob: 1ea3573f5669d19845ad224557d749ad9918d764 [file] [log] [blame]
developerb11a5392022-03-31 00:34:47 +0800[diff] [blame]1// SPDX-License-Identifier: ISC
2/*
3 * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
4 */
5#include "mt76.h"
6
7static int
8mt76_reg_set(void *data, u64 val)
9{
10 struct mt76_dev *dev = data;
11
12 __mt76_wr(dev, dev->debugfs_reg, val);
13 return 0;
14}
15
16static int
17mt76_reg_get(void *data, u64 *val)
18{
19 struct mt76_dev *dev = data;
20
21 *val = __mt76_rr(dev, dev->debugfs_reg);
22 return 0;
23}
24
25DEFINE_DEBUGFS_ATTRIBUTE(fops_regval, mt76_reg_get, mt76_reg_set,
26 "0x%08llx\n");
27
28int mt76_queues_read(struct seq_file *s, void *data)
29{
30 struct mt76_dev *dev = dev_get_drvdata(s->private);
31 int i;
32
33 seq_puts(s, " queue | hw-queued | head | tail |\n");
34 for (i = 0; i < ARRAY_SIZE(dev->phy.q_tx); i++) {
35 struct mt76_queue *q = dev->phy.q_tx[i];
36
37 if (!q)
38 continue;
39
40 seq_printf(s, " %9d | %9d | %9d | %9d |\n",
41 i, q->queued, q->head, q->tail);
42 }
43
44 return 0;
45}
46EXPORT_SYMBOL_GPL(mt76_queues_read);
47
48static int mt76_rx_queues_read(struct seq_file *s, void *data)
49{
50 struct mt76_dev *dev = dev_get_drvdata(s->private);
51 int i, queued;
52
53 seq_puts(s, " queue | hw-queued | head | tail |\n");
54 mt76_for_each_q_rx(dev, i) {
55 struct mt76_queue *q = &dev->q_rx[i];
56
57 queued = mt76_is_usb(dev) ? q->ndesc - q->queued : q->queued;
58 seq_printf(s, " %9d | %9d | %9d | %9d |\n",
59 i, queued, q->head, q->tail);
60 }
61
62 return 0;
63}
64
65void mt76_seq_puts_array(struct seq_file *file, const char *str,
66 s8 *val, int len)
67{
68 int i;
69
70 seq_printf(file, "%10s:", str);
71 for (i = 0; i < len; i++)
72 seq_printf(file, " %2d", val[i]);
73 seq_puts(file, "\n");
74}
75EXPORT_SYMBOL_GPL(mt76_seq_puts_array);
76
77static int mt76_read_rate_txpower(struct seq_file *s, void *data)
78{
79 struct mt76_dev *dev = dev_get_drvdata(s->private);
80
81 mt76_seq_puts_array(s, "CCK", dev->rate_power.cck,
82 ARRAY_SIZE(dev->rate_power.cck));
83 mt76_seq_puts_array(s, "OFDM", dev->rate_power.ofdm,
84 ARRAY_SIZE(dev->rate_power.ofdm));
85 mt76_seq_puts_array(s, "STBC", dev->rate_power.stbc,
86 ARRAY_SIZE(dev->rate_power.stbc));
87 mt76_seq_puts_array(s, "HT", dev->rate_power.ht,
88 ARRAY_SIZE(dev->rate_power.ht));
89 mt76_seq_puts_array(s, "VHT", dev->rate_power.vht,
90 ARRAY_SIZE(dev->rate_power.vht));
91 return 0;
92}
93
94struct dentry *
95mt76_register_debugfs_fops(struct mt76_phy *phy,
96 const struct file_operations *ops)
97{
98 const struct file_operations *fops = ops ? ops : &fops_regval;
99 struct mt76_dev *dev = phy->dev;
100 struct dentry *dir;
101
102 dir = debugfs_create_dir("mt76", phy->hw->wiphy->debugfsdir);
103 if (!dir)
104 return NULL;
105
106 debugfs_create_u8("led_pin", 0600, dir, &dev->led_pin);
107 debugfs_create_bool("led_active_low", 0600, dir, &dev->led_al);
108 debugfs_create_u32("regidx", 0600, dir, &dev->debugfs_reg);
109 debugfs_create_file_unsafe("regval", 0600, dir, dev, fops);
110 debugfs_create_blob("eeprom", 0400, dir, &dev->eeprom);
111 if (dev->otp.data)
112 debugfs_create_blob("otp", 0400, dir, &dev->otp);
113 debugfs_create_devm_seqfile(dev->dev, "rate_txpower", dir,
114 mt76_read_rate_txpower);
115 debugfs_create_devm_seqfile(dev->dev, "rx-queues", dir,
116 mt76_rx_queues_read);
117
118 return dir;
119}
120EXPORT_SYMBOL_GPL(mt76_register_debugfs_fops);