Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
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_sw_queue *q = &dev->q_tx[i];
47
48 if (!q->q)
49 continue;
50
51 seq_printf(s,
52 "%d: queued=%d head=%d tail=%d swq_queued=%d\n",
53 i, q->q->queued, q->q->head, q->q->tail,
54 q->swq_queued);
55 }
56
57 return 0;
58}
59
60void mt76_seq_puts_array(struct seq_file *file, const char *str,
61 s8 *val, int len)
62{
63 int i;
64
65 seq_printf(file, "%10s:", str);
66 for (i = 0; i < len; i++)
67 seq_printf(file, " %2d", val[i]);
68 seq_puts(file, "\n");
69}
70EXPORT_SYMBOL_GPL(mt76_seq_puts_array);
71
72static int mt76_read_rate_txpower(struct seq_file *s, void *data)
73{
74 struct mt76_dev *dev = dev_get_drvdata(s->private);
75
76 mt76_seq_puts_array(s, "CCK", dev->rate_power.cck,
77 ARRAY_SIZE(dev->rate_power.cck));
78 mt76_seq_puts_array(s, "OFDM", dev->rate_power.ofdm,
79 ARRAY_SIZE(dev->rate_power.ofdm));
80 mt76_seq_puts_array(s, "STBC", dev->rate_power.stbc,
81 ARRAY_SIZE(dev->rate_power.stbc));
82 mt76_seq_puts_array(s, "HT", dev->rate_power.ht,
83 ARRAY_SIZE(dev->rate_power.ht));
84 mt76_seq_puts_array(s, "VHT", dev->rate_power.vht,
85 ARRAY_SIZE(dev->rate_power.vht));
86 return 0;
87}
88
89struct dentry *mt76_register_debugfs(struct mt76_dev *dev)
90{
91 struct dentry *dir;
92
93 dir = debugfs_create_dir("mt76", dev->hw->wiphy->debugfsdir);
94 if (!dir)
95 return NULL;
96
97 debugfs_create_u8("led_pin", 0600, dir, &dev->led_pin);
98 debugfs_create_u32("regidx", 0600, dir, &dev->debugfs_reg);
99 debugfs_create_file_unsafe("regval", 0600, dir, dev,
100 &fops_regval);
101 debugfs_create_blob("eeprom", 0400, dir, &dev->eeprom);
102 if (dev->otp.data)
103 debugfs_create_blob("otp", 0400, dir, &dev->otp);
104 debugfs_create_devm_seqfile(dev->dev, "queues", dir, mt76_queues_read);
105 debugfs_create_devm_seqfile(dev->dev, "rate_txpower", dir,
106 mt76_read_rate_txpower);
107
108 return dir;
109}
110EXPORT_SYMBOL_GPL(mt76_register_debugfs);