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	for (i = 0; i < ARRAY_SIZE(dev->q_tx); i++) {
34		struct mt76_queue *q = dev->q_tx[i];
35
36		if (!q)
37			continue;
38
39		seq_printf(s,
40			   "%d:	queued=%d head=%d tail=%d\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	mt76_for_each_q_rx(dev, i) {
54		struct mt76_queue *q = &dev->q_rx[i];
55
56		queued = mt76_is_usb(dev) ? q->ndesc - q->queued : q->queued;
57		seq_printf(s, "%d:	queued=%d head=%d tail=%d\n",
58			   i, queued, q->head, q->tail);
59	}
60
61	return 0;
62}
63
64void mt76_seq_puts_array(struct seq_file *file, const char *str,
65			 s8 *val, int len)
66{
67	int i;
68
69	seq_printf(file, "%10s:", str);
70	for (i = 0; i < len; i++)
71		seq_printf(file, " %2d", val[i]);
72	seq_puts(file, "\n");
73}
74EXPORT_SYMBOL_GPL(mt76_seq_puts_array);
75
76static int mt76_read_rate_txpower(struct seq_file *s, void *data)
77{
78	struct mt76_dev *dev = dev_get_drvdata(s->private);
79
80	mt76_seq_puts_array(s, "CCK", dev->rate_power.cck,
81			    ARRAY_SIZE(dev->rate_power.cck));
82	mt76_seq_puts_array(s, "OFDM", dev->rate_power.ofdm,
83			    ARRAY_SIZE(dev->rate_power.ofdm));
84	mt76_seq_puts_array(s, "STBC", dev->rate_power.stbc,
85			    ARRAY_SIZE(dev->rate_power.stbc));
86	mt76_seq_puts_array(s, "HT", dev->rate_power.ht,
87			    ARRAY_SIZE(dev->rate_power.ht));
88	mt76_seq_puts_array(s, "VHT", dev->rate_power.vht,
89			    ARRAY_SIZE(dev->rate_power.vht));
90	return 0;
91}
92
93struct dentry *mt76_register_debugfs(struct mt76_dev *dev)
94{
95	struct dentry *dir;
96
97	dir = debugfs_create_dir("mt76", dev->hw->wiphy->debugfsdir);
98	if (!dir)
99		return NULL;
100
101	debugfs_create_u8("led_pin", 0600, dir, &dev->led_pin);
102	debugfs_create_u32("regidx", 0600, dir, &dev->debugfs_reg);
103	debugfs_create_file_unsafe("regval", 0600, dir, dev,
104				   &fops_regval);
105	debugfs_create_blob("eeprom", 0400, dir, &dev->eeprom);
106	if (dev->otp.data)
107		debugfs_create_blob("otp", 0400, dir, &dev->otp);
108	debugfs_create_devm_seqfile(dev->dev, "rate_txpower", dir,
109				    mt76_read_rate_txpower);
110	debugfs_create_devm_seqfile(dev->dev, "rx-queues", dir,
111				    mt76_rx_queues_read);
112
113	return dir;
114}
115EXPORT_SYMBOL_GPL(mt76_register_debugfs);
116