1 // SPDX-License-Identifier: ISC
2 /*
3  * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
4  */
5 #include "mt76.h"
6 
7 static int
8 mt76_reg_set(void *data, u64 val)
9 {
10 	struct mt76_dev *dev = data;
11 
12 	dev->bus->wr(dev, dev->debugfs_reg, val);
13 	return 0;
14 }
15 
16 static int
17 mt76_reg_get(void *data, u64 *val)
18 {
19 	struct mt76_dev *dev = data;
20 
21 	*val = dev->bus->rr(dev, dev->debugfs_reg);
22 	return 0;
23 }
24 
25 DEFINE_DEBUGFS_ATTRIBUTE(fops_regval, mt76_reg_get, mt76_reg_set,
26 			 "0x%08llx\n");
27 
28 static int
29 mt76_queues_read(struct seq_file *s, void *data)
30 {
31 	struct mt76_dev *dev = dev_get_drvdata(s->private);
32 	int i;
33 
34 	for (i = 0; i < ARRAY_SIZE(dev->q_tx); i++) {
35 		struct mt76_sw_queue *q = &dev->q_tx[i];
36 
37 		if (!q->q)
38 			continue;
39 
40 		seq_printf(s,
41 			   "%d:	queued=%d head=%d tail=%d swq_queued=%d\n",
42 			   i, q->q->queued, q->q->head, q->q->tail,
43 			   q->swq_queued);
44 	}
45 
46 	return 0;
47 }
48 
49 void mt76_seq_puts_array(struct seq_file *file, const char *str,
50 			 s8 *val, int len)
51 {
52 	int i;
53 
54 	seq_printf(file, "%10s:", str);
55 	for (i = 0; i < len; i++)
56 		seq_printf(file, " %2d", val[i]);
57 	seq_puts(file, "\n");
58 }
59 EXPORT_SYMBOL_GPL(mt76_seq_puts_array);
60 
61 static int mt76_read_rate_txpower(struct seq_file *s, void *data)
62 {
63 	struct mt76_dev *dev = dev_get_drvdata(s->private);
64 
65 	mt76_seq_puts_array(s, "CCK", dev->rate_power.cck,
66 			    ARRAY_SIZE(dev->rate_power.cck));
67 	mt76_seq_puts_array(s, "OFDM", dev->rate_power.ofdm,
68 			    ARRAY_SIZE(dev->rate_power.ofdm));
69 	mt76_seq_puts_array(s, "STBC", dev->rate_power.stbc,
70 			    ARRAY_SIZE(dev->rate_power.stbc));
71 	mt76_seq_puts_array(s, "HT", dev->rate_power.ht,
72 			    ARRAY_SIZE(dev->rate_power.ht));
73 	mt76_seq_puts_array(s, "VHT", dev->rate_power.vht,
74 			    ARRAY_SIZE(dev->rate_power.vht));
75 	return 0;
76 }
77 
78 struct dentry *mt76_register_debugfs(struct mt76_dev *dev)
79 {
80 	struct dentry *dir;
81 
82 	dir = debugfs_create_dir("mt76", dev->hw->wiphy->debugfsdir);
83 	if (!dir)
84 		return NULL;
85 
86 	debugfs_create_u8("led_pin", 0600, dir, &dev->led_pin);
87 	debugfs_create_u32("regidx", 0600, dir, &dev->debugfs_reg);
88 	debugfs_create_file_unsafe("regval", 0600, dir, dev,
89 				   &fops_regval);
90 	debugfs_create_blob("eeprom", 0400, dir, &dev->eeprom);
91 	if (dev->otp.data)
92 		debugfs_create_blob("otp", 0400, dir, &dev->otp);
93 	debugfs_create_devm_seqfile(dev->dev, "queues", dir, mt76_queues_read);
94 	debugfs_create_devm_seqfile(dev->dev, "rate_txpower", dir,
95 				    mt76_read_rate_txpower);
96 
97 	return dir;
98 }
99 EXPORT_SYMBOL_GPL(mt76_register_debugfs);
100