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
18 static int
mt76_reg_set(void * data,u64 val)19 mt76_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
27 static int
mt76_reg_get(void * data,u64 * val)28 mt76_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
36 DEFINE_DEBUGFS_ATTRIBUTE(fops_regval, mt76_reg_get, mt76_reg_set,
37 "0x%08llx\n");
38
39 static int
mt76_queues_read(struct seq_file * s,void * data)40 mt76_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
mt76_register_debugfs(struct mt76_dev * dev)59 struct dentry *mt76_register_debugfs(struct mt76_dev *dev)
60 {
61 struct dentry *dir;
62
63 dir = debugfs_create_dir("mt76", dev->hw->wiphy->debugfsdir);
64 if (!dir)
65 return NULL;
66
67 debugfs_create_u8("led_pin", 0600, dir, &dev->led_pin);
68 debugfs_create_u32("regidx", 0600, dir, &dev->debugfs_reg);
69 debugfs_create_file_unsafe("regval", 0600, dir, dev,
70 &fops_regval);
71 debugfs_create_blob("eeprom", 0400, dir, &dev->eeprom);
72 if (dev->otp.data)
73 debugfs_create_blob("otp", 0400, dir, &dev->otp);
74 debugfs_create_devm_seqfile(dev->dev, "queues", dir, mt76_queues_read);
75
76 return dir;
77 }
78 EXPORT_SYMBOL_GPL(mt76_register_debugfs);
79