tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1// SPDX-License-Identifier: ISC
2/*
3 * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
4 */
5#include "mt76.h"
6
7static int
8mt76_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
16static int
17mt76_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
25DEFINE_DEBUGFS_ATTRIBUTE(fops_regval, mt76_reg_get, mt76_reg_set,
26 "0x%08llx\n");
27
28int 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_sw_queue *q = &dev->q_tx[i];
35
36 if (!q->q)
37 continue;
38
39 seq_printf(s,
40 "%d: queued=%d head=%d tail=%d swq_queued=%d\n",
41 i, q->q->queued, q->q->head, q->q->tail,
42 q->swq_queued);
43 }
44
45 return 0;
46}
47EXPORT_SYMBOL_GPL(mt76_queues_read);
48
49void 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}
59EXPORT_SYMBOL_GPL(mt76_seq_puts_array);
60
61static 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
78struct 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, "rate_txpower", dir,
94 mt76_read_rate_txpower);
95
96 return dir;
97}
98EXPORT_SYMBOL_GPL(mt76_register_debugfs);