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 	__mt76_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 = __mt76_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 int 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 }
46 EXPORT_SYMBOL_GPL(mt76_queues_read);
47 
48 static 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 
64 void 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 }
74 EXPORT_SYMBOL_GPL(mt76_seq_puts_array);
75 
76 static 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 
93 struct 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 }
115 EXPORT_SYMBOL_GPL(mt76_register_debugfs);
116