1 // SPDX-License-Identifier: ISC
2 /*
3 * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
4 */
5 #include "mt76.h"
6
7 static int
mt76_reg_set(void * data,u64 val)8 mt76_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
16 static int
mt76_reg_get(void * data,u64 * val)17 mt76_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
25 DEFINE_DEBUGFS_ATTRIBUTE(fops_regval, mt76_reg_get, mt76_reg_set,
26 "0x%08llx\n");
27
28 static int
mt76_napi_threaded_set(void * data,u64 val)29 mt76_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
42 static int
mt76_napi_threaded_get(void * data,u64 * val)43 mt76_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
51 DEFINE_DEBUGFS_ATTRIBUTE(fops_napi_threaded, mt76_napi_threaded_get,
52 mt76_napi_threaded_set, "%llu\n");
53
mt76_queues_read(struct seq_file * s,void * data)54 int 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 }
72 EXPORT_SYMBOL_GPL(mt76_queues_read);
73
mt76_rx_queues_read(struct seq_file * s,void * data)74 static 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
mt76_seq_puts_array(struct seq_file * file,const char * str,s8 * val,int len)91 void 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, "%10s:", str);
97 for (i = 0; i < len; i++)
98 seq_printf(file, " %2d", val[i]);
99 seq_puts(file, "\n");
100 }
101 EXPORT_SYMBOL_GPL(mt76_seq_puts_array);
102
mt76_read_rate_txpower(struct seq_file * s,void * data)103 static int mt76_read_rate_txpower(struct seq_file *s, void *data)
104 {
105 struct mt76_dev *dev = dev_get_drvdata(s->private);
106
107 mt76_seq_puts_array(s, "CCK", dev->rate_power.cck,
108 ARRAY_SIZE(dev->rate_power.cck));
109 mt76_seq_puts_array(s, "OFDM", dev->rate_power.ofdm,
110 ARRAY_SIZE(dev->rate_power.ofdm));
111 mt76_seq_puts_array(s, "STBC", dev->rate_power.stbc,
112 ARRAY_SIZE(dev->rate_power.stbc));
113 mt76_seq_puts_array(s, "HT", dev->rate_power.ht,
114 ARRAY_SIZE(dev->rate_power.ht));
115 mt76_seq_puts_array(s, "VHT", dev->rate_power.vht,
116 ARRAY_SIZE(dev->rate_power.vht));
117 return 0;
118 }
119
120 struct dentry *
mt76_register_debugfs_fops(struct mt76_phy * phy,const struct file_operations * ops)121 mt76_register_debugfs_fops(struct mt76_phy *phy,
122 const struct file_operations *ops)
123 {
124 const struct file_operations *fops = ops ? ops : &fops_regval;
125 struct mt76_dev *dev = phy->dev;
126 struct dentry *dir;
127
128 dir = debugfs_create_dir("mt76", phy->hw->wiphy->debugfsdir);
129 if (!dir)
130 return NULL;
131
132 debugfs_create_u8("led_pin", 0600, dir, &dev->led_pin);
133 debugfs_create_u32("regidx", 0600, dir, &dev->debugfs_reg);
134 debugfs_create_file_unsafe("regval", 0600, dir, dev, fops);
135 debugfs_create_file_unsafe("napi_threaded", 0600, dir, dev,
136 &fops_napi_threaded);
137 debugfs_create_blob("eeprom", 0400, dir, &dev->eeprom);
138 if (dev->otp.data)
139 debugfs_create_blob("otp", 0400, dir, &dev->otp);
140 debugfs_create_devm_seqfile(dev->dev, "rate_txpower", dir,
141 mt76_read_rate_txpower);
142 debugfs_create_devm_seqfile(dev->dev, "rx-queues", dir,
143 mt76_rx_queues_read);
144
145 return dir;
146 }
147 EXPORT_SYMBOL_GPL(mt76_register_debugfs_fops);
148