1 // SPDX-License-Identifier: ISC
2 /*
3 * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
4 */
5 #include "mt76.h"
6
7 static int
mt76_reg_set(void * data,u64 val)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
mt76_reg_get(void * data,u64 * val)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
mt76_queues_read(struct seq_file * s,void * data)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
mt76_rx_queues_read(struct seq_file * s,void * data)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
mt76_seq_puts_array(struct seq_file * file,const char * str,s8 * val,int len)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
mt76_read_rate_txpower(struct seq_file * s,void * data)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
mt76_register_debugfs(struct mt76_dev * dev)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