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126 lines · 2.9 KiB

1// SPDX-License-Identifier: BSD-3-Clause-Clear
2/*
3 * Copyright (C) 2016 Felix Fietkau <[email protected]>
4 */
5#include "mt76.h"
6
7static int
8mt76_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
16static int
17mt76_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
25DEFINE_DEBUGFS_ATTRIBUTE(fops_regval, mt76_reg_get, mt76_reg_set,
26 "0x%08llx\n");
27
28static int
29mt76_napi_threaded_set(void *data, u64 val)
30{
31 struct mt76_dev *dev = data;
32
33 if (!mt76_is_mmio(dev))
34 return -EOPNOTSUPP;
35
36 if (dev->napi_dev->threaded != val)
37 return dev_set_threaded(dev->napi_dev, val);
38
39 return 0;
40}
41
42static int
43mt76_napi_threaded_get(void *data, u64 *val)
44{
45 struct mt76_dev *dev = data;
46
47 *val = dev->napi_dev->threaded;
48 return 0;
49}
50
51DEFINE_DEBUGFS_ATTRIBUTE(fops_napi_threaded, mt76_napi_threaded_get,
52 mt76_napi_threaded_set, "%llu\n");
53
54int mt76_queues_read(struct seq_file *s, void *data)
55{
56 struct mt76_dev *dev = dev_get_drvdata(s->private);
57 int i;
58
59 seq_puts(s, " queue | hw-queued | head | tail |\n");
60 for (i = 0; i < ARRAY_SIZE(dev->phy.q_tx); i++) {
61 struct mt76_queue *q = dev->phy.q_tx[i];
62
63 if (!q)
64 continue;
65
66 seq_printf(s, " %9d | %9d | %9d | %9d |\n",
67 i, q->queued, q->head, q->tail);
68 }
69
70 return 0;
71}
72EXPORT_SYMBOL_GPL(mt76_queues_read);
73
74static int mt76_rx_queues_read(struct seq_file *s, void *data)
75{
76 struct mt76_dev *dev = dev_get_drvdata(s->private);
77 int i, queued;
78
79 seq_puts(s, " queue | hw-queued | head | tail |\n");
80 mt76_for_each_q_rx(dev, i) {
81 struct mt76_queue *q = &dev->q_rx[i];
82
83 queued = mt76_is_usb(dev) ? q->ndesc - q->queued : q->queued;
84 seq_printf(s, " %9d | %9d | %9d | %9d |\n",
85 i, queued, q->head, q->tail);
86 }
87
88 return 0;
89}
90
91void mt76_seq_puts_array(struct seq_file *file, const char *str,
92 s8 *val, int len)
93{
94 int i;
95
96 seq_printf(file, "%16s:", str);
97 for (i = 0; i < len; i++)
98 seq_printf(file, " %4d", val[i]);
99 seq_puts(file, "\n");
100}
101EXPORT_SYMBOL_GPL(mt76_seq_puts_array);
102
103struct dentry *
104mt76_register_debugfs_fops(struct mt76_phy *phy,
105 const struct file_operations *ops)
106{
107 const struct file_operations *fops = ops ? ops : &fops_regval;
108 struct mt76_dev *dev = phy->dev;
109 struct dentry *dir;
110
111 dir = debugfs_create_dir("mt76", phy->hw->wiphy->debugfsdir);
112
113 debugfs_create_u8("led_pin", 0600, dir, &phy->leds.pin);
114 debugfs_create_u32("regidx", 0600, dir, &dev->debugfs_reg);
115 debugfs_create_file_unsafe("regval", 0600, dir, dev, fops);
116 debugfs_create_file_unsafe("napi_threaded", 0600, dir, dev,
117 &fops_napi_threaded);
118 debugfs_create_blob("eeprom", 0400, dir, &dev->eeprom);
119 if (dev->otp.data)
120 debugfs_create_blob("otp", 0400, dir, &dev->otp);
121 debugfs_create_devm_seqfile(dev->dev, "rx-queues", dir,
122 mt76_rx_queues_read);
123
124 return dir;
125}
126EXPORT_SYMBOL_GPL(mt76_register_debugfs_fops);