xref: /freebsd/sys/contrib/dev/mediatek/mt76/mt7615/debugfs.c (revision 7ef62cebc2f965b0f640263e179276928885e33d)
1 // SPDX-License-Identifier: ISC
2 
3 #include "mt7615.h"
4 
5 static int
6 mt7615_reg_set(void *data, u64 val)
7 {
8 	struct mt7615_dev *dev = data;
9 
10 	mt7615_mutex_acquire(dev);
11 	mt76_wr(dev, dev->mt76.debugfs_reg, val);
12 	mt7615_mutex_release(dev);
13 
14 	return 0;
15 }
16 
17 static int
18 mt7615_reg_get(void *data, u64 *val)
19 {
20 	struct mt7615_dev *dev = data;
21 
22 	mt7615_mutex_acquire(dev);
23 	*val = mt76_rr(dev, dev->mt76.debugfs_reg);
24 	mt7615_mutex_release(dev);
25 
26 	return 0;
27 }
28 
29 DEFINE_DEBUGFS_ATTRIBUTE(fops_regval, mt7615_reg_get, mt7615_reg_set,
30 			 "0x%08llx\n");
31 
32 static int
33 mt7615_radar_pattern_set(void *data, u64 val)
34 {
35 	struct mt7615_dev *dev = data;
36 	int err;
37 
38 	if (!mt7615_wait_for_mcu_init(dev))
39 		return 0;
40 
41 	mt7615_mutex_acquire(dev);
42 	err = mt7615_mcu_rdd_send_pattern(dev);
43 	mt7615_mutex_release(dev);
44 
45 	return err;
46 }
47 
48 DEFINE_DEBUGFS_ATTRIBUTE(fops_radar_pattern, NULL,
49 			 mt7615_radar_pattern_set, "%lld\n");
50 
51 static int mt7615_config(void *data, u64 val)
52 {
53 	struct mt7615_dev *dev = data;
54 	int ret;
55 
56 	mt7615_mutex_acquire(dev);
57 	ret = mt76_connac_mcu_chip_config(&dev->mt76);
58 	mt7615_mutex_release(dev);
59 
60 	return ret;
61 }
62 
63 DEFINE_DEBUGFS_ATTRIBUTE(fops_config, NULL, mt7615_config, "%lld\n");
64 
65 static int
66 mt7615_scs_set(void *data, u64 val)
67 {
68 	struct mt7615_dev *dev = data;
69 	struct mt7615_phy *ext_phy;
70 
71 	if (!mt7615_wait_for_mcu_init(dev))
72 		return 0;
73 
74 	mt7615_mac_set_scs(&dev->phy, val);
75 	ext_phy = mt7615_ext_phy(dev);
76 	if (ext_phy)
77 		mt7615_mac_set_scs(ext_phy, val);
78 
79 	return 0;
80 }
81 
82 static int
83 mt7615_scs_get(void *data, u64 *val)
84 {
85 	struct mt7615_dev *dev = data;
86 
87 	*val = dev->phy.scs_en;
88 
89 	return 0;
90 }
91 
92 DEFINE_DEBUGFS_ATTRIBUTE(fops_scs, mt7615_scs_get,
93 			 mt7615_scs_set, "%lld\n");
94 
95 static int
96 mt7615_pm_set(void *data, u64 val)
97 {
98 	struct mt7615_dev *dev = data;
99 	struct mt76_connac_pm *pm = &dev->pm;
100 	int ret = 0;
101 
102 	if (!mt7615_wait_for_mcu_init(dev))
103 		return 0;
104 
105 	if (!mt7615_firmware_offload(dev) || mt76_is_usb(&dev->mt76))
106 		return -EOPNOTSUPP;
107 
108 	mutex_lock(&dev->mt76.mutex);
109 
110 	if (val == pm->enable)
111 		goto out;
112 
113 	if (dev->phy.n_beacon_vif) {
114 		ret = -EBUSY;
115 		goto out;
116 	}
117 
118 	if (!pm->enable) {
119 		pm->stats.last_wake_event = jiffies;
120 		pm->stats.last_doze_event = jiffies;
121 	}
122 	/* make sure the chip is awake here and ps_work is scheduled
123 	 * just at end of the this routine.
124 	 */
125 	pm->enable = false;
126 	mt76_connac_pm_wake(&dev->mphy, pm);
127 
128 	pm->enable = val;
129 	mt76_connac_power_save_sched(&dev->mphy, pm);
130 out:
131 	mutex_unlock(&dev->mt76.mutex);
132 
133 	return ret;
134 }
135 
136 static int
137 mt7615_pm_get(void *data, u64 *val)
138 {
139 	struct mt7615_dev *dev = data;
140 
141 	*val = dev->pm.enable;
142 
143 	return 0;
144 }
145 
146 DEFINE_DEBUGFS_ATTRIBUTE(fops_pm, mt7615_pm_get, mt7615_pm_set, "%lld\n");
147 
148 static int
149 mt7615_pm_stats(struct seq_file *s, void *data)
150 {
151 	struct mt7615_dev *dev = dev_get_drvdata(s->private);
152 	struct mt76_connac_pm *pm = &dev->pm;
153 	unsigned long awake_time = pm->stats.awake_time;
154 	unsigned long doze_time = pm->stats.doze_time;
155 
156 	if (!test_bit(MT76_STATE_PM, &dev->mphy.state))
157 		awake_time += jiffies - pm->stats.last_wake_event;
158 	else
159 		doze_time += jiffies - pm->stats.last_doze_event;
160 
161 	seq_printf(s, "awake time: %14u\ndoze time: %15u\n",
162 		   jiffies_to_msecs(awake_time),
163 		   jiffies_to_msecs(doze_time));
164 
165 	return 0;
166 }
167 
168 static int
169 mt7615_pm_idle_timeout_set(void *data, u64 val)
170 {
171 	struct mt7615_dev *dev = data;
172 
173 	dev->pm.idle_timeout = msecs_to_jiffies(val);
174 
175 	return 0;
176 }
177 
178 static int
179 mt7615_pm_idle_timeout_get(void *data, u64 *val)
180 {
181 	struct mt7615_dev *dev = data;
182 
183 	*val = jiffies_to_msecs(dev->pm.idle_timeout);
184 
185 	return 0;
186 }
187 
188 DEFINE_DEBUGFS_ATTRIBUTE(fops_pm_idle_timeout, mt7615_pm_idle_timeout_get,
189 			 mt7615_pm_idle_timeout_set, "%lld\n");
190 
191 static int
192 mt7615_dbdc_set(void *data, u64 val)
193 {
194 	struct mt7615_dev *dev = data;
195 
196 	if (!mt7615_wait_for_mcu_init(dev))
197 		return 0;
198 
199 	if (val)
200 		mt7615_register_ext_phy(dev);
201 	else
202 		mt7615_unregister_ext_phy(dev);
203 
204 	return 0;
205 }
206 
207 static int
208 mt7615_dbdc_get(void *data, u64 *val)
209 {
210 	struct mt7615_dev *dev = data;
211 
212 	*val = !!mt7615_ext_phy(dev);
213 
214 	return 0;
215 }
216 
217 DEFINE_DEBUGFS_ATTRIBUTE(fops_dbdc, mt7615_dbdc_get,
218 			 mt7615_dbdc_set, "%lld\n");
219 
220 static int
221 mt7615_fw_debug_set(void *data, u64 val)
222 {
223 	struct mt7615_dev *dev = data;
224 
225 	if (!mt7615_wait_for_mcu_init(dev))
226 		return 0;
227 
228 	dev->fw_debug = val;
229 
230 	mt7615_mutex_acquire(dev);
231 	mt7615_mcu_fw_log_2_host(dev, dev->fw_debug ? 2 : 0);
232 	mt7615_mutex_release(dev);
233 
234 	return 0;
235 }
236 
237 static int
238 mt7615_fw_debug_get(void *data, u64 *val)
239 {
240 	struct mt7615_dev *dev = data;
241 
242 	*val = dev->fw_debug;
243 
244 	return 0;
245 }
246 
247 DEFINE_DEBUGFS_ATTRIBUTE(fops_fw_debug, mt7615_fw_debug_get,
248 			 mt7615_fw_debug_set, "%lld\n");
249 
250 static int
251 mt7615_reset_test_set(void *data, u64 val)
252 {
253 	struct mt7615_dev *dev = data;
254 	struct sk_buff *skb;
255 
256 	if (!mt7615_wait_for_mcu_init(dev))
257 		return 0;
258 
259 	skb = alloc_skb(1, GFP_KERNEL);
260 	if (!skb)
261 		return -ENOMEM;
262 
263 	skb_put(skb, 1);
264 
265 	mt7615_mutex_acquire(dev);
266 	mt76_tx_queue_skb_raw(dev, dev->mphy.q_tx[0], skb, 0);
267 	mt7615_mutex_release(dev);
268 
269 	return 0;
270 }
271 
272 DEFINE_DEBUGFS_ATTRIBUTE(fops_reset_test, NULL,
273 			 mt7615_reset_test_set, "%lld\n");
274 
275 static void
276 mt7615_ampdu_stat_read_phy(struct mt7615_phy *phy,
277 			   struct seq_file *file)
278 {
279 	struct mt7615_dev *dev = file->private;
280 	u32 reg = is_mt7663(&dev->mt76) ? MT_MIB_ARNG(0) : MT_AGG_ASRCR0;
281 	bool ext_phy = phy != &dev->phy;
282 	int bound[7], i, range;
283 
284 	if (!phy)
285 		return;
286 
287 	range = mt76_rr(dev, reg);
288 	for (i = 0; i < 4; i++)
289 		bound[i] = MT_AGG_ASRCR_RANGE(range, i) + 1;
290 
291 	range = mt76_rr(dev, reg + 4);
292 	for (i = 0; i < 3; i++)
293 		bound[i + 4] = MT_AGG_ASRCR_RANGE(range, i) + 1;
294 
295 	seq_printf(file, "\nPhy %d\n", ext_phy);
296 
297 	seq_printf(file, "Length: %8d | ", bound[0]);
298 	for (i = 0; i < ARRAY_SIZE(bound) - 1; i++)
299 		seq_printf(file, "%3d -%3d | ",
300 			   bound[i], bound[i + 1]);
301 	seq_puts(file, "\nCount:  ");
302 
303 	range = ext_phy ? ARRAY_SIZE(dev->mt76.aggr_stats) / 2 : 0;
304 	for (i = 0; i < ARRAY_SIZE(bound); i++)
305 		seq_printf(file, "%8d | ", dev->mt76.aggr_stats[i + range]);
306 	seq_puts(file, "\n");
307 
308 	seq_printf(file, "BA miss count: %d\n", phy->mib.ba_miss_cnt);
309 	seq_printf(file, "PER: %ld.%1ld%%\n",
310 		   phy->mib.aggr_per / 10, phy->mib.aggr_per % 10);
311 }
312 
313 static int
314 mt7615_ampdu_stat_show(struct seq_file *file, void *data)
315 {
316 	struct mt7615_dev *dev = file->private;
317 
318 	mt7615_mutex_acquire(dev);
319 
320 	mt7615_ampdu_stat_read_phy(&dev->phy, file);
321 	mt7615_ampdu_stat_read_phy(mt7615_ext_phy(dev), file);
322 
323 	mt7615_mutex_release(dev);
324 
325 	return 0;
326 }
327 
328 DEFINE_SHOW_ATTRIBUTE(mt7615_ampdu_stat);
329 
330 static void
331 mt7615_radio_read_phy(struct mt7615_phy *phy, struct seq_file *s)
332 {
333 	struct mt7615_dev *dev = dev_get_drvdata(s->private);
334 	bool ext_phy = phy != &dev->phy;
335 
336 	if (!phy)
337 		return;
338 
339 	seq_printf(s, "Radio %d sensitivity: ofdm=%d cck=%d\n", ext_phy,
340 		   phy->ofdm_sensitivity, phy->cck_sensitivity);
341 	seq_printf(s, "Radio %d false CCA: ofdm=%d cck=%d\n", ext_phy,
342 		   phy->false_cca_ofdm, phy->false_cca_cck);
343 }
344 
345 static int
346 mt7615_radio_read(struct seq_file *s, void *data)
347 {
348 	struct mt7615_dev *dev = dev_get_drvdata(s->private);
349 
350 	mt7615_radio_read_phy(&dev->phy, s);
351 	mt7615_radio_read_phy(mt7615_ext_phy(dev), s);
352 
353 	return 0;
354 }
355 
356 static int
357 mt7615_queues_acq(struct seq_file *s, void *data)
358 {
359 	struct mt7615_dev *dev = dev_get_drvdata(s->private);
360 	int i;
361 
362 	mt7615_mutex_acquire(dev);
363 
364 	for (i = 0; i < 16; i++) {
365 		int j, wmm_idx = i % MT7615_MAX_WMM_SETS;
366 		int acs = i / MT7615_MAX_WMM_SETS;
367 		u32 ctrl, val, qlen = 0;
368 
369 		if (wmm_idx == 3 && is_mt7663(&dev->mt76))
370 			continue;
371 
372 		val = mt76_rr(dev, MT_PLE_AC_QEMPTY(acs, wmm_idx));
373 		ctrl = BIT(31) | BIT(15) | (acs << 8);
374 
375 		for (j = 0; j < 32; j++) {
376 			if (val & BIT(j))
377 				continue;
378 
379 			mt76_wr(dev, MT_PLE_FL_Q0_CTRL,
380 				ctrl | (j + (wmm_idx << 5)));
381 			qlen += mt76_get_field(dev, MT_PLE_FL_Q3_CTRL,
382 					       GENMASK(11, 0));
383 		}
384 		seq_printf(s, "AC%d%d: queued=%d\n", wmm_idx, acs, qlen);
385 	}
386 
387 	mt7615_mutex_release(dev);
388 
389 	return 0;
390 }
391 
392 static int
393 mt7615_queues_read(struct seq_file *s, void *data)
394 {
395 	struct mt7615_dev *dev = dev_get_drvdata(s->private);
396 	struct {
397 		struct mt76_queue *q;
398 		char *queue;
399 	} queue_map[] = {
400 		{ dev->mphy.q_tx[MT_TXQ_BE], "PDMA0" },
401 		{ dev->mt76.q_mcu[MT_MCUQ_WM], "MCUQ" },
402 		{ dev->mt76.q_mcu[MT_MCUQ_FWDL], "MCUFWQ" },
403 	};
404 	int i;
405 
406 	for (i = 0; i < ARRAY_SIZE(queue_map); i++) {
407 		struct mt76_queue *q = queue_map[i].q;
408 
409 		seq_printf(s,
410 			   "%s:	queued=%d head=%d tail=%d\n",
411 			   queue_map[i].queue, q->queued, q->head,
412 			   q->tail);
413 	}
414 
415 	return 0;
416 }
417 
418 static int
419 mt7615_rf_reg_set(void *data, u64 val)
420 {
421 	struct mt7615_dev *dev = data;
422 
423 	mt7615_rf_wr(dev, dev->debugfs_rf_wf, dev->debugfs_rf_reg, val);
424 
425 	return 0;
426 }
427 
428 static int
429 mt7615_rf_reg_get(void *data, u64 *val)
430 {
431 	struct mt7615_dev *dev = data;
432 
433 	*val = mt7615_rf_rr(dev, dev->debugfs_rf_wf, dev->debugfs_rf_reg);
434 
435 	return 0;
436 }
437 
438 DEFINE_DEBUGFS_ATTRIBUTE(fops_rf_reg, mt7615_rf_reg_get, mt7615_rf_reg_set,
439 			 "0x%08llx\n");
440 
441 static ssize_t
442 mt7615_ext_mac_addr_read(struct file *file, char __user *userbuf,
443 			 size_t count, loff_t *ppos)
444 {
445 	struct mt7615_dev *dev = file->private_data;
446 	u32 len = 32 * ((ETH_ALEN * 3) + 4) + 1;
447 	u8 addr[ETH_ALEN];
448 	char *buf;
449 	int ofs = 0;
450 	int i;
451 
452 	buf = kzalloc(len, GFP_KERNEL);
453 	if (!buf)
454 		return -ENOMEM;
455 
456 	for (i = 0; i < 32; i++) {
457 		if (!(dev->muar_mask & BIT(i)))
458 			continue;
459 
460 		mt76_wr(dev, MT_WF_RMAC_MAR1,
461 			FIELD_PREP(MT_WF_RMAC_MAR1_IDX, i * 2) |
462 			MT_WF_RMAC_MAR1_START);
463 		put_unaligned_le32(mt76_rr(dev, MT_WF_RMAC_MAR0), addr);
464 		put_unaligned_le16((mt76_rr(dev, MT_WF_RMAC_MAR1) &
465 				    MT_WF_RMAC_MAR1_ADDR), addr + 4);
466 		ofs += snprintf(buf + ofs, len - ofs, "%d=%pM\n", i, addr);
467 	}
468 
469 	ofs = simple_read_from_buffer(userbuf, count, ppos, buf, ofs);
470 
471 	kfree(buf);
472 	return ofs;
473 }
474 
475 static ssize_t
476 mt7615_ext_mac_addr_write(struct file *file, const char __user *userbuf,
477 			  size_t count, loff_t *ppos)
478 {
479 	struct mt7615_dev *dev = file->private_data;
480 	unsigned long idx = 0;
481 	u8 addr[ETH_ALEN];
482 	char buf[32];
483 	char *p;
484 
485 	if (count > sizeof(buf))
486 		return -EINVAL;
487 
488 	if (copy_from_user(buf, userbuf, count))
489 		return -EFAULT;
490 
491 	buf[sizeof(buf) - 1] = '\0';
492 
493 	p = strchr(buf, '=');
494 	if (p) {
495 		*p = 0;
496 		p++;
497 
498 		if (kstrtoul(buf, 0, &idx) || idx > 31)
499 			return -EINVAL;
500 	} else {
501 		idx = 0;
502 		p = buf;
503 	}
504 
505 	if (!mac_pton(p, addr))
506 		return -EINVAL;
507 
508 	if (is_valid_ether_addr(addr)) {
509 		dev->muar_mask |= BIT(idx);
510 	} else {
511 		memset(addr, 0, sizeof(addr));
512 		dev->muar_mask &= ~BIT(idx);
513 	}
514 
515 	mt76_rmw_field(dev, MT_WF_RMAC_MORE(0), MT_WF_RMAC_MORE_MUAR_MODE, 1);
516 	mt76_wr(dev, MT_WF_RMAC_MAR0, get_unaligned_le32(addr));
517 	mt76_wr(dev, MT_WF_RMAC_MAR1,
518 		get_unaligned_le16(addr + 4) |
519 		FIELD_PREP(MT_WF_RMAC_MAR1_IDX, idx * 2) |
520 		MT_WF_RMAC_MAR1_START |
521 		MT_WF_RMAC_MAR1_WRITE);
522 
523 	mt76_rmw_field(dev, MT_WF_RMAC_MORE(0), MT_WF_RMAC_MORE_MUAR_MODE, !!dev->muar_mask);
524 
525 	return count;
526 }
527 
528 static const struct file_operations fops_ext_mac_addr = {
529 	.open = simple_open,
530 	.llseek = generic_file_llseek,
531 	.read = mt7615_ext_mac_addr_read,
532 	.write = mt7615_ext_mac_addr_write,
533 	.owner = THIS_MODULE,
534 };
535 
536 static int
537 mt7663s_sched_quota_read(struct seq_file *s, void *data)
538 {
539 	struct mt7615_dev *dev = dev_get_drvdata(s->private);
540 	struct mt76_sdio *sdio = &dev->mt76.sdio;
541 
542 	seq_printf(s, "pse_data_quota\t%d\n", sdio->sched.pse_data_quota);
543 	seq_printf(s, "ple_data_quota\t%d\n", sdio->sched.ple_data_quota);
544 	seq_printf(s, "pse_mcu_quota\t%d\n", sdio->sched.pse_mcu_quota);
545 	seq_printf(s, "sched_deficit\t%d\n", sdio->sched.deficit);
546 
547 	return 0;
548 }
549 
550 int mt7615_init_debugfs(struct mt7615_dev *dev)
551 {
552 	struct dentry *dir;
553 
554 	dir = mt76_register_debugfs_fops(&dev->mphy, &fops_regval);
555 	if (!dir)
556 		return -ENOMEM;
557 
558 	if (is_mt7615(&dev->mt76))
559 		debugfs_create_devm_seqfile(dev->mt76.dev, "xmit-queues", dir,
560 					    mt7615_queues_read);
561 	else
562 		debugfs_create_devm_seqfile(dev->mt76.dev, "xmit-queues", dir,
563 					    mt76_queues_read);
564 	debugfs_create_devm_seqfile(dev->mt76.dev, "acq", dir,
565 				    mt7615_queues_acq);
566 	debugfs_create_file("ampdu_stat", 0400, dir, dev, &mt7615_ampdu_stat_fops);
567 	debugfs_create_file("scs", 0600, dir, dev, &fops_scs);
568 	debugfs_create_file("dbdc", 0600, dir, dev, &fops_dbdc);
569 	debugfs_create_file("fw_debug", 0600, dir, dev, &fops_fw_debug);
570 	debugfs_create_file("runtime-pm", 0600, dir, dev, &fops_pm);
571 	debugfs_create_file("idle-timeout", 0600, dir, dev,
572 			    &fops_pm_idle_timeout);
573 	debugfs_create_devm_seqfile(dev->mt76.dev, "runtime_pm_stats", dir,
574 				    mt7615_pm_stats);
575 	debugfs_create_devm_seqfile(dev->mt76.dev, "radio", dir,
576 				    mt7615_radio_read);
577 
578 	if (is_mt7615(&dev->mt76)) {
579 		debugfs_create_u32("dfs_hw_pattern", 0400, dir,
580 				   &dev->hw_pattern);
581 		/* test pattern knobs */
582 		debugfs_create_u8("pattern_len", 0600, dir,
583 				  &dev->radar_pattern.n_pulses);
584 		debugfs_create_u32("pulse_period", 0600, dir,
585 				   &dev->radar_pattern.period);
586 		debugfs_create_u16("pulse_width", 0600, dir,
587 				   &dev->radar_pattern.width);
588 		debugfs_create_u16("pulse_power", 0600, dir,
589 				   &dev->radar_pattern.power);
590 		debugfs_create_file("radar_trigger", 0200, dir, dev,
591 				    &fops_radar_pattern);
592 	}
593 
594 	debugfs_create_file("reset_test", 0200, dir, dev,
595 			    &fops_reset_test);
596 	debugfs_create_file("ext_mac_addr", 0600, dir, dev, &fops_ext_mac_addr);
597 
598 	debugfs_create_u32("rf_wfidx", 0600, dir, &dev->debugfs_rf_wf);
599 	debugfs_create_u32("rf_regidx", 0600, dir, &dev->debugfs_rf_reg);
600 	debugfs_create_file_unsafe("rf_regval", 0600, dir, dev,
601 				   &fops_rf_reg);
602 	if (is_mt7663(&dev->mt76))
603 		debugfs_create_file("chip_config", 0600, dir, dev,
604 				    &fops_config);
605 	if (mt76_is_sdio(&dev->mt76))
606 		debugfs_create_devm_seqfile(dev->mt76.dev, "sched-quota", dir,
607 					    mt7663s_sched_quota_read);
608 
609 	return 0;
610 }
611 EXPORT_SYMBOL_GPL(mt7615_init_debugfs);
612