tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
3 *
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
7 *
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 */
16#include "mt76.h"
17
18static int
19mt76_reg_set(void *data, u64 val)
20{
21 struct mt76_dev *dev = data;
22
23 dev->bus->wr(dev, dev->debugfs_reg, val);
24 return 0;
25}
26
27static int
28mt76_reg_get(void *data, u64 *val)
29{
30 struct mt76_dev *dev = data;
31
32 *val = dev->bus->rr(dev, dev->debugfs_reg);
33 return 0;
34}
35
36DEFINE_DEBUGFS_ATTRIBUTE(fops_regval, mt76_reg_get, mt76_reg_set,
37 "0x%08llx\n");
38
39static int
40mt76_queues_read(struct seq_file *s, void *data)
41{
42 struct mt76_dev *dev = dev_get_drvdata(s->private);
43 int i;
44
45 for (i = 0; i < ARRAY_SIZE(dev->q_tx); i++) {
46 struct mt76_queue *q = &dev->q_tx[i];
47
48 if (!q->ndesc)
49 continue;
50
51 seq_printf(s,
52 "%d: queued=%d head=%d tail=%d swq_queued=%d\n",
53 i, q->queued, q->head, q->tail, q->swq_queued);
54 }
55
56 return 0;
57}
58
59void mt76_seq_puts_array(struct seq_file *file, const char *str,
60 s8 *val, int len)
61{
62 int i;
63
64 seq_printf(file, "%10s:", str);
65 for (i = 0; i < len; i++)
66 seq_printf(file, " %2d", val[i]);
67 seq_puts(file, "\n");
68}
69EXPORT_SYMBOL_GPL(mt76_seq_puts_array);
70
71static int mt76_read_rate_txpower(struct seq_file *s, void *data)
72{
73 struct mt76_dev *dev = dev_get_drvdata(s->private);
74
75 mt76_seq_puts_array(s, "CCK", dev->rate_power.cck,
76 ARRAY_SIZE(dev->rate_power.cck));
77 mt76_seq_puts_array(s, "OFDM", dev->rate_power.ofdm,
78 ARRAY_SIZE(dev->rate_power.ofdm));
79 mt76_seq_puts_array(s, "STBC", dev->rate_power.stbc,
80 ARRAY_SIZE(dev->rate_power.stbc));
81 mt76_seq_puts_array(s, "HT", dev->rate_power.ht,
82 ARRAY_SIZE(dev->rate_power.ht));
83 mt76_seq_puts_array(s, "VHT", dev->rate_power.vht,
84 ARRAY_SIZE(dev->rate_power.vht));
85 return 0;
86}
87
88struct dentry *mt76_register_debugfs(struct mt76_dev *dev)
89{
90 struct dentry *dir;
91
92 dir = debugfs_create_dir("mt76", dev->hw->wiphy->debugfsdir);
93 if (!dir)
94 return NULL;
95
96 debugfs_create_u8("led_pin", 0600, dir, &dev->led_pin);
97 debugfs_create_u32("regidx", 0600, dir, &dev->debugfs_reg);
98 debugfs_create_file_unsafe("regval", 0600, dir, dev,
99 &fops_regval);
100 debugfs_create_blob("eeprom", 0400, dir, &dev->eeprom);
101 if (dev->otp.data)
102 debugfs_create_blob("otp", 0400, dir, &dev->otp);
103 debugfs_create_devm_seqfile(dev->dev, "queues", dir, mt76_queues_read);
104 debugfs_create_devm_seqfile(dev->dev, "rate_txpower", dir,
105 mt76_read_rate_txpower);
106
107 return dir;
108}
109EXPORT_SYMBOL_GPL(mt76_register_debugfs);