summaryrefslogtreecommitdiff
path: root/drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c
blob: d06afcf46d67ccde47bd0466b053891c3b6f7731 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
// SPDX-License-Identifier: ISC

#include "mt7615.h"

static int
mt7615_radar_pattern_set(void *data, u64 val)
{
	struct mt7615_dev *dev = data;

	if (!mt7615_wait_for_mcu_init(dev))
		return 0;

	return mt7615_mcu_rdd_send_pattern(dev);
}

DEFINE_DEBUGFS_ATTRIBUTE(fops_radar_pattern, NULL,
			 mt7615_radar_pattern_set, "%lld\n");

static int
mt7615_scs_set(void *data, u64 val)
{
	struct mt7615_dev *dev = data;
	struct mt7615_phy *ext_phy;

	if (!mt7615_wait_for_mcu_init(dev))
		return 0;

	mt7615_mac_set_scs(&dev->phy, val);
	ext_phy = mt7615_ext_phy(dev);
	if (ext_phy)
		mt7615_mac_set_scs(ext_phy, val);

	return 0;
}

static int
mt7615_scs_get(void *data, u64 *val)
{
	struct mt7615_dev *dev = data;

	*val = dev->phy.scs_en;

	return 0;
}

DEFINE_DEBUGFS_ATTRIBUTE(fops_scs, mt7615_scs_get,
			 mt7615_scs_set, "%lld\n");

static int
mt7615_dbdc_set(void *data, u64 val)
{
	struct mt7615_dev *dev = data;

	if (!mt7615_wait_for_mcu_init(dev))
		return 0;

	if (val)
		mt7615_register_ext_phy(dev);
	else
		mt7615_unregister_ext_phy(dev);

	return 0;
}

static int
mt7615_dbdc_get(void *data, u64 *val)
{
	struct mt7615_dev *dev = data;

	*val = !!mt7615_ext_phy(dev);

	return 0;
}

DEFINE_DEBUGFS_ATTRIBUTE(fops_dbdc, mt7615_dbdc_get,
			 mt7615_dbdc_set, "%lld\n");

static int
mt7615_fw_debug_set(void *data, u64 val)
{
	struct mt7615_dev *dev = data;

	if (!mt7615_wait_for_mcu_init(dev))
		return 0;

	dev->fw_debug = val;
	mt7615_mcu_fw_log_2_host(dev, dev->fw_debug ? 2 : 0);

	return 0;
}

static int
mt7615_fw_debug_get(void *data, u64 *val)
{
	struct mt7615_dev *dev = data;

	*val = dev->fw_debug;

	return 0;
}

DEFINE_DEBUGFS_ATTRIBUTE(fops_fw_debug, mt7615_fw_debug_get,
			 mt7615_fw_debug_set, "%lld\n");

static int
mt7615_reset_test_set(void *data, u64 val)
{
	struct mt7615_dev *dev = data;
	struct sk_buff *skb;

	if (!mt7615_wait_for_mcu_init(dev))
		return 0;

	skb = alloc_skb(1, GFP_KERNEL);
	if (!skb)
		return -ENOMEM;

	skb_put(skb, 1);
	mt76_tx_queue_skb_raw(dev, 0, skb, 0);

	return 0;
}

DEFINE_DEBUGFS_ATTRIBUTE(fops_reset_test, NULL,
			 mt7615_reset_test_set, "%lld\n");

static void
mt7615_ampdu_stat_read_phy(struct mt7615_phy *phy,
			   struct seq_file *file)
{
	struct mt7615_dev *dev = file->private;
	u32 reg = is_mt7663(&dev->mt76) ? MT_MIB_ARNG(0) : MT_AGG_ASRCR0;
	bool ext_phy = phy != &dev->phy;
	int bound[7], i, range;

	if (!phy)
		return;

	range = mt76_rr(dev, reg);
	for (i = 0; i < 4; i++)
		bound[i] = MT_AGG_ASRCR_RANGE(range, i) + 1;

	range = mt76_rr(dev, reg + 4);
	for (i = 0; i < 3; i++)
		bound[i + 4] = MT_AGG_ASRCR_RANGE(range, i) + 1;

	seq_printf(file, "\nPhy %d\n", ext_phy);

	seq_printf(file, "Length: %8d | ", bound[0]);
	for (i = 0; i < ARRAY_SIZE(bound) - 1; i++)
		seq_printf(file, "%3d -%3d | ",
			   bound[i], bound[i + 1]);
	seq_puts(file, "\nCount:  ");

	range = ext_phy ? ARRAY_SIZE(dev->mt76.aggr_stats) / 2 : 0;
	for (i = 0; i < ARRAY_SIZE(bound); i++)
		seq_printf(file, "%8d | ", dev->mt76.aggr_stats[i + range]);
	seq_puts(file, "\n");

	seq_printf(file, "BA miss count: %d\n", phy->mib.ba_miss_cnt);
	seq_printf(file, "PER: %ld.%1ld%%\n",
		   phy->mib.aggr_per / 10, phy->mib.aggr_per % 10);
}

static int
mt7615_ampdu_stat_read(struct seq_file *file, void *data)
{
	struct mt7615_dev *dev = file->private;

	mt7615_ampdu_stat_read_phy(&dev->phy, file);
	mt7615_ampdu_stat_read_phy(mt7615_ext_phy(dev), file);

	return 0;
}

static int
mt7615_ampdu_stat_open(struct inode *inode, struct file *f)
{
	return single_open(f, mt7615_ampdu_stat_read, inode->i_private);
}

static const struct file_operations fops_ampdu_stat = {
	.open = mt7615_ampdu_stat_open,
	.read = seq_read,
	.llseek = seq_lseek,
	.release = single_release,
};

static void
mt7615_radio_read_phy(struct mt7615_phy *phy, struct seq_file *s)
{
	struct mt7615_dev *dev = dev_get_drvdata(s->private);
	bool ext_phy = phy != &dev->phy;

	if (!phy)
		return;

	seq_printf(s, "Radio %d sensitivity: ofdm=%d cck=%d\n", ext_phy,
		   phy->ofdm_sensitivity, phy->cck_sensitivity);
	seq_printf(s, "Radio %d false CCA: ofdm=%d cck=%d\n", ext_phy,
		   phy->false_cca_ofdm, phy->false_cca_cck);
}

static int
mt7615_radio_read(struct seq_file *s, void *data)
{
	struct mt7615_dev *dev = dev_get_drvdata(s->private);

	mt7615_radio_read_phy(&dev->phy, s);
	mt7615_radio_read_phy(mt7615_ext_phy(dev), s);

	return 0;
}

static int mt7615_read_temperature(struct seq_file *s, void *data)
{
	struct mt7615_dev *dev = dev_get_drvdata(s->private);
	int temp;

	if (!mt7615_wait_for_mcu_init(dev))
		return 0;

	/* cpu */
	temp = mt7615_mcu_get_temperature(dev, 0);
	seq_printf(s, "Temperature: %d\n", temp);

	return 0;
}

static int
mt7615_queues_acq(struct seq_file *s, void *data)
{
	struct mt7615_dev *dev = dev_get_drvdata(s->private);
	int i;

	for (i = 0; i < 16; i++) {
		int j, wmm_idx = i % MT7615_MAX_WMM_SETS;
		int acs = i / MT7615_MAX_WMM_SETS;
		u32 ctrl, val, qlen = 0;

		val = mt76_rr(dev, MT_PLE_AC_QEMPTY(acs, wmm_idx));
		ctrl = BIT(31) | BIT(15) | (acs << 8);

		for (j = 0; j < 32; j++) {
			if (val & BIT(j))
				continue;

			mt76_wr(dev, MT_PLE_FL_Q0_CTRL,
				ctrl | (j + (wmm_idx << 5)));
			qlen += mt76_get_field(dev, MT_PLE_FL_Q3_CTRL,
					       GENMASK(11, 0));
		}
		seq_printf(s, "AC%d%d: queued=%d\n", wmm_idx, acs, qlen);
	}

	return 0;
}

static int
mt7615_queues_read(struct seq_file *s, void *data)
{
	struct mt7615_dev *dev = dev_get_drvdata(s->private);
	static const struct {
		char *queue;
		int id;
	} queue_map[] = {
		{ "PDMA0", MT_TXQ_BE },
		{ "MCUQ", MT_TXQ_MCU },
		{ "MCUFWQ", MT_TXQ_FWDL },
	};
	int i;

	for (i = 0; i < ARRAY_SIZE(queue_map); i++) {
		struct mt76_sw_queue *q = &dev->mt76.q_tx[queue_map[i].id];

		if (!q->q)
			continue;

		seq_printf(s,
			   "%s:	queued=%d head=%d tail=%d\n",
			   queue_map[i].queue, q->q->queued, q->q->head,
			   q->q->tail);
	}

	return 0;
}

int mt7615_init_debugfs(struct mt7615_dev *dev)
{
	struct dentry *dir;

	dir = mt76_register_debugfs(&dev->mt76);
	if (!dir)
		return -ENOMEM;

	if (is_mt7615(&dev->mt76))
		debugfs_create_devm_seqfile(dev->mt76.dev, "xmit-queues", dir,
					    mt7615_queues_read);
	else
		debugfs_create_devm_seqfile(dev->mt76.dev, "xmit-queues", dir,
					    mt76_queues_read);
	debugfs_create_devm_seqfile(dev->mt76.dev, "acq", dir,
				    mt7615_queues_acq);
	debugfs_create_file("ampdu_stat", 0400, dir, dev, &fops_ampdu_stat);
	debugfs_create_file("scs", 0600, dir, dev, &fops_scs);
	debugfs_create_file("dbdc", 0600, dir, dev, &fops_dbdc);
	debugfs_create_file("fw_debug", 0600, dir, dev, &fops_fw_debug);
	debugfs_create_devm_seqfile(dev->mt76.dev, "radio", dir,
				    mt7615_radio_read);
	debugfs_create_u32("dfs_hw_pattern", 0400, dir, &dev->hw_pattern);
	/* test pattern knobs */
	debugfs_create_u8("pattern_len", 0600, dir,
			  &dev->radar_pattern.n_pulses);
	debugfs_create_u32("pulse_period", 0600, dir,
			   &dev->radar_pattern.period);
	debugfs_create_u16("pulse_width", 0600, dir,
			   &dev->radar_pattern.width);
	debugfs_create_u16("pulse_power", 0600, dir,
			   &dev->radar_pattern.power);
	debugfs_create_file("radar_trigger", 0200, dir, dev,
			    &fops_radar_pattern);
	debugfs_create_file("reset_test", 0200, dir, dev,
			    &fops_reset_test);
	debugfs_create_devm_seqfile(dev->mt76.dev, "temperature", dir,
				    mt7615_read_temperature);

	return 0;
}
EXPORT_SYMBOL_GPL(mt7615_init_debugfs);