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1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
2 /* Copyright(c) 2018-2019  Realtek Corporation
3  */
4 
5 #include <linux/debugfs.h>
6 #include <linux/seq_file.h>
7 #include "main.h"
8 #include "coex.h"
9 #include "sec.h"
10 #include "fw.h"
11 #include "debug.h"
12 #include "phy.h"
13 
14 #ifdef CONFIG_RTW88_DEBUGFS
15 
16 struct rtw_debugfs_priv {
17 	struct rtw_dev *rtwdev;
18 	int (*cb_read)(struct seq_file *m, void *v);
19 	ssize_t (*cb_write)(struct file *filp, const char __user *buffer,
20 			    size_t count, loff_t *loff);
21 	union {
22 		u32 cb_data;
23 		u8 *buf;
24 		struct {
25 			u32 page_offset;
26 			u32 page_num;
27 		} rsvd_page;
28 		struct {
29 			u8 rf_path;
30 			u32 rf_addr;
31 			u32 rf_mask;
32 		};
33 		struct {
34 			u32 addr;
35 			u32 len;
36 		} read_reg;
37 	};
38 };
39 
rtw_debugfs_single_show(struct seq_file * m,void * v)40 static int rtw_debugfs_single_show(struct seq_file *m, void *v)
41 {
42 	struct rtw_debugfs_priv *debugfs_priv = m->private;
43 
44 	return debugfs_priv->cb_read(m, v);
45 }
46 
rtw_debugfs_common_write(struct file * filp,const char __user * buffer,size_t count,loff_t * loff)47 static ssize_t rtw_debugfs_common_write(struct file *filp,
48 					const char __user *buffer,
49 					size_t count, loff_t *loff)
50 {
51 	struct rtw_debugfs_priv *debugfs_priv = filp->private_data;
52 
53 	return debugfs_priv->cb_write(filp, buffer, count, loff);
54 }
55 
rtw_debugfs_single_write(struct file * filp,const char __user * buffer,size_t count,loff_t * loff)56 static ssize_t rtw_debugfs_single_write(struct file *filp,
57 					const char __user *buffer,
58 					size_t count, loff_t *loff)
59 {
60 	struct seq_file *seqpriv = (struct seq_file *)filp->private_data;
61 	struct rtw_debugfs_priv *debugfs_priv = seqpriv->private;
62 
63 	return debugfs_priv->cb_write(filp, buffer, count, loff);
64 }
65 
rtw_debugfs_single_open_rw(struct inode * inode,struct file * filp)66 static int rtw_debugfs_single_open_rw(struct inode *inode, struct file *filp)
67 {
68 	return single_open(filp, rtw_debugfs_single_show, inode->i_private);
69 }
70 
rtw_debugfs_close(struct inode * inode,struct file * filp)71 static int rtw_debugfs_close(struct inode *inode, struct file *filp)
72 {
73 	return 0;
74 }
75 
76 static const struct file_operations file_ops_single_r = {
77 	.owner = THIS_MODULE,
78 	.open = rtw_debugfs_single_open_rw,
79 	.read = seq_read,
80 	.llseek = seq_lseek,
81 	.release = single_release,
82 };
83 
84 static const struct file_operations file_ops_single_rw = {
85 	.owner = THIS_MODULE,
86 	.open = rtw_debugfs_single_open_rw,
87 	.release = single_release,
88 	.read = seq_read,
89 	.llseek = seq_lseek,
90 	.write = rtw_debugfs_single_write,
91 };
92 
93 static const struct file_operations file_ops_common_write = {
94 	.owner = THIS_MODULE,
95 	.write = rtw_debugfs_common_write,
96 	.open = simple_open,
97 	.release = rtw_debugfs_close,
98 };
99 
rtw_debugfs_get_read_reg(struct seq_file * m,void * v)100 static int rtw_debugfs_get_read_reg(struct seq_file *m, void *v)
101 {
102 	struct rtw_debugfs_priv *debugfs_priv = m->private;
103 	struct rtw_dev *rtwdev = debugfs_priv->rtwdev;
104 	u32 val, len, addr;
105 
106 	len = debugfs_priv->read_reg.len;
107 	addr = debugfs_priv->read_reg.addr;
108 	switch (len) {
109 	case 1:
110 		val = rtw_read8(rtwdev, addr);
111 		seq_printf(m, "reg 0x%03x: 0x%02x\n", addr, val);
112 		break;
113 	case 2:
114 		val = rtw_read16(rtwdev, addr);
115 		seq_printf(m, "reg 0x%03x: 0x%04x\n", addr, val);
116 		break;
117 	case 4:
118 		val = rtw_read32(rtwdev, addr);
119 		seq_printf(m, "reg 0x%03x: 0x%08x\n", addr, val);
120 		break;
121 	}
122 	return 0;
123 }
124 
rtw_debugfs_get_rf_read(struct seq_file * m,void * v)125 static int rtw_debugfs_get_rf_read(struct seq_file *m, void *v)
126 {
127 	struct rtw_debugfs_priv *debugfs_priv = m->private;
128 	struct rtw_dev *rtwdev = debugfs_priv->rtwdev;
129 	u32 val, addr, mask;
130 	u8 path;
131 
132 	path = debugfs_priv->rf_path;
133 	addr = debugfs_priv->rf_addr;
134 	mask = debugfs_priv->rf_mask;
135 
136 	val = rtw_read_rf(rtwdev, path, addr, mask);
137 
138 	seq_printf(m, "rf_read path:%d addr:0x%08x mask:0x%08x val=0x%08x\n",
139 		   path, addr, mask, val);
140 
141 	return 0;
142 }
143 
rtw_debugfs_copy_from_user(char tmp[],int size,const char __user * buffer,size_t count,int num)144 static int rtw_debugfs_copy_from_user(char tmp[], int size,
145 				      const char __user *buffer, size_t count,
146 				      int num)
147 {
148 	int tmp_len;
149 
150 	memset(tmp, 0, size);
151 
152 	if (count < num)
153 		return -EFAULT;
154 
155 	tmp_len = (count > size - 1 ? size - 1 : count);
156 
157 	if (!buffer || copy_from_user(tmp, buffer, tmp_len))
158 		return count;
159 
160 	tmp[tmp_len] = '\0';
161 
162 	return 0;
163 }
164 
rtw_debugfs_set_read_reg(struct file * filp,const char __user * buffer,size_t count,loff_t * loff)165 static ssize_t rtw_debugfs_set_read_reg(struct file *filp,
166 					const char __user *buffer,
167 					size_t count, loff_t *loff)
168 {
169 	struct seq_file *seqpriv = (struct seq_file *)filp->private_data;
170 	struct rtw_debugfs_priv *debugfs_priv = seqpriv->private;
171 	struct rtw_dev *rtwdev = debugfs_priv->rtwdev;
172 	char tmp[32 + 1];
173 	u32 addr, len;
174 	int num;
175 
176 	rtw_debugfs_copy_from_user(tmp, sizeof(tmp), buffer, count, 2);
177 
178 	num = sscanf(tmp, "%x %x", &addr, &len);
179 
180 	if (num !=  2)
181 		return count;
182 
183 	if (len != 1 && len != 2 && len != 4) {
184 		rtw_warn(rtwdev, "read reg setting wrong len\n");
185 		return -EINVAL;
186 	}
187 	debugfs_priv->read_reg.addr = addr;
188 	debugfs_priv->read_reg.len = len;
189 
190 	return count;
191 }
192 
rtw_debugfs_get_dump_cam(struct seq_file * m,void * v)193 static int rtw_debugfs_get_dump_cam(struct seq_file *m, void *v)
194 {
195 	struct rtw_debugfs_priv *debugfs_priv = m->private;
196 	struct rtw_dev *rtwdev = debugfs_priv->rtwdev;
197 	u32 val, command;
198 	u32 hw_key_idx = debugfs_priv->cb_data << RTW_SEC_CAM_ENTRY_SHIFT;
199 	u32 read_cmd = RTW_SEC_CMD_POLLING;
200 	int i;
201 
202 	seq_printf(m, "cam entry%d\n", debugfs_priv->cb_data);
203 	seq_puts(m, "0x0      0x1      0x2     0x3     ");
204 	seq_puts(m, "0x4     0x5\n");
205 	mutex_lock(&rtwdev->mutex);
206 	for (i = 0; i <= 5; i++) {
207 		command = read_cmd | (hw_key_idx + i);
208 		rtw_write32(rtwdev, RTW_SEC_CMD_REG, command);
209 		val = rtw_read32(rtwdev, RTW_SEC_READ_REG);
210 		seq_printf(m, "%8.8x", val);
211 		if (i < 2)
212 			seq_puts(m, " ");
213 	}
214 	seq_puts(m, "\n");
215 	mutex_unlock(&rtwdev->mutex);
216 	return 0;
217 }
218 
rtw_debugfs_get_rsvd_page(struct seq_file * m,void * v)219 static int rtw_debugfs_get_rsvd_page(struct seq_file *m, void *v)
220 {
221 	struct rtw_debugfs_priv *debugfs_priv = m->private;
222 	struct rtw_dev *rtwdev = debugfs_priv->rtwdev;
223 	u8 page_size = rtwdev->chip->page_size;
224 	u32 buf_size = debugfs_priv->rsvd_page.page_num * page_size;
225 	u32 offset = debugfs_priv->rsvd_page.page_offset * page_size;
226 	u8 *buf;
227 	int i;
228 	int ret;
229 
230 	buf = vzalloc(buf_size);
231 	if (!buf)
232 		return -ENOMEM;
233 
234 	ret = rtw_fw_dump_fifo(rtwdev, RTW_FW_FIFO_SEL_RSVD_PAGE, offset,
235 			       buf_size, (u32 *)buf);
236 	if (ret) {
237 		rtw_err(rtwdev, "failed to dump rsvd page\n");
238 		vfree(buf);
239 		return ret;
240 	}
241 
242 	for (i = 0 ; i < buf_size ; i += 8) {
243 		if (i % page_size == 0)
244 			seq_printf(m, "PAGE %d\n", (i + offset) / page_size);
245 		seq_printf(m, "%2.2x %2.2x %2.2x %2.2x %2.2x %2.2x %2.2x %2.2x\n",
246 			   *(buf + i), *(buf + i + 1),
247 			   *(buf + i + 2), *(buf + i + 3),
248 			   *(buf + i + 4), *(buf + i + 5),
249 			   *(buf + i + 6), *(buf + i + 7));
250 	}
251 	vfree(buf);
252 
253 	return 0;
254 }
255 
rtw_debugfs_set_rsvd_page(struct file * filp,const char __user * buffer,size_t count,loff_t * loff)256 static ssize_t rtw_debugfs_set_rsvd_page(struct file *filp,
257 					 const char __user *buffer,
258 					 size_t count, loff_t *loff)
259 {
260 	struct seq_file *seqpriv = (struct seq_file *)filp->private_data;
261 	struct rtw_debugfs_priv *debugfs_priv = seqpriv->private;
262 	struct rtw_dev *rtwdev = debugfs_priv->rtwdev;
263 	char tmp[32 + 1];
264 	u32 offset, page_num;
265 	int num;
266 
267 	rtw_debugfs_copy_from_user(tmp, sizeof(tmp), buffer, count, 2);
268 
269 	num = sscanf(tmp, "%d %d", &offset, &page_num);
270 
271 	if (num != 2) {
272 		rtw_warn(rtwdev, "invalid arguments\n");
273 		return -EINVAL;
274 	}
275 
276 	debugfs_priv->rsvd_page.page_offset = offset;
277 	debugfs_priv->rsvd_page.page_num = page_num;
278 
279 	return count;
280 }
281 
rtw_debugfs_set_single_input(struct file * filp,const char __user * buffer,size_t count,loff_t * loff)282 static ssize_t rtw_debugfs_set_single_input(struct file *filp,
283 					    const char __user *buffer,
284 					    size_t count, loff_t *loff)
285 {
286 	struct seq_file *seqpriv = (struct seq_file *)filp->private_data;
287 	struct rtw_debugfs_priv *debugfs_priv = seqpriv->private;
288 	struct rtw_dev *rtwdev = debugfs_priv->rtwdev;
289 	char tmp[32 + 1];
290 	u32 input;
291 	int num;
292 
293 	rtw_debugfs_copy_from_user(tmp, sizeof(tmp), buffer, count, 1);
294 
295 	num = kstrtoint(tmp, 0, &input);
296 
297 	if (num) {
298 		rtw_warn(rtwdev, "kstrtoint failed\n");
299 		return num;
300 	}
301 
302 	debugfs_priv->cb_data = input;
303 
304 	return count;
305 }
306 
rtw_debugfs_set_write_reg(struct file * filp,const char __user * buffer,size_t count,loff_t * loff)307 static ssize_t rtw_debugfs_set_write_reg(struct file *filp,
308 					 const char __user *buffer,
309 					 size_t count, loff_t *loff)
310 {
311 	struct rtw_debugfs_priv *debugfs_priv = filp->private_data;
312 	struct rtw_dev *rtwdev = debugfs_priv->rtwdev;
313 	char tmp[32 + 1];
314 	u32 addr, val, len;
315 	int num;
316 
317 	rtw_debugfs_copy_from_user(tmp, sizeof(tmp), buffer, count, 3);
318 
319 	/* write BB/MAC register */
320 	num = sscanf(tmp, "%x %x %x", &addr, &val, &len);
321 
322 	if (num !=  3)
323 		return count;
324 
325 	switch (len) {
326 	case 1:
327 		rtw_dbg(rtwdev, RTW_DBG_DEBUGFS,
328 			"reg write8 0x%03x: 0x%08x\n", addr, val);
329 		rtw_write8(rtwdev, addr, (u8)val);
330 		break;
331 	case 2:
332 		rtw_dbg(rtwdev, RTW_DBG_DEBUGFS,
333 			"reg write16 0x%03x: 0x%08x\n", addr, val);
334 		rtw_write16(rtwdev, addr, (u16)val);
335 		break;
336 	case 4:
337 		rtw_dbg(rtwdev, RTW_DBG_DEBUGFS,
338 			"reg write32 0x%03x: 0x%08x\n", addr, val);
339 		rtw_write32(rtwdev, addr, (u32)val);
340 		break;
341 	default:
342 		rtw_dbg(rtwdev, RTW_DBG_DEBUGFS,
343 			"error write length = %d\n", len);
344 		break;
345 	}
346 
347 	return count;
348 }
349 
rtw_debugfs_set_h2c(struct file * filp,const char __user * buffer,size_t count,loff_t * loff)350 static ssize_t rtw_debugfs_set_h2c(struct file *filp,
351 				   const char __user *buffer,
352 				   size_t count, loff_t *loff)
353 {
354 	struct rtw_debugfs_priv *debugfs_priv = filp->private_data;
355 	struct rtw_dev *rtwdev = debugfs_priv->rtwdev;
356 	char tmp[32 + 1];
357 	u8 param[8];
358 	int num;
359 
360 	rtw_debugfs_copy_from_user(tmp, sizeof(tmp), buffer, count, 3);
361 
362 	num = sscanf(tmp, "%hhx,%hhx,%hhx,%hhx,%hhx,%hhx,%hhx,%hhx",
363 		     &param[0], &param[1], &param[2], &param[3],
364 		     &param[4], &param[5], &param[6], &param[7]);
365 	if (num != 8) {
366 		rtw_info(rtwdev, "invalid H2C command format for debug\n");
367 		return -EINVAL;
368 	}
369 
370 	rtw_fw_h2c_cmd_dbg(rtwdev, param);
371 
372 	return count;
373 }
374 
rtw_debugfs_set_rf_write(struct file * filp,const char __user * buffer,size_t count,loff_t * loff)375 static ssize_t rtw_debugfs_set_rf_write(struct file *filp,
376 					const char __user *buffer,
377 					size_t count, loff_t *loff)
378 {
379 	struct rtw_debugfs_priv *debugfs_priv = filp->private_data;
380 	struct rtw_dev *rtwdev = debugfs_priv->rtwdev;
381 	char tmp[32 + 1];
382 	u32 path, addr, mask, val;
383 	int num;
384 
385 	rtw_debugfs_copy_from_user(tmp, sizeof(tmp), buffer, count, 4);
386 
387 	num = sscanf(tmp, "%x %x %x %x", &path, &addr, &mask, &val);
388 
389 	if (num !=  4) {
390 		rtw_warn(rtwdev, "invalid args, [path] [addr] [mask] [val]\n");
391 		return count;
392 	}
393 
394 	rtw_write_rf(rtwdev, path, addr, mask, val);
395 	rtw_dbg(rtwdev, RTW_DBG_DEBUGFS,
396 		"write_rf path:%d addr:0x%08x mask:0x%08x, val:0x%08x\n",
397 		path, addr, mask, val);
398 
399 	return count;
400 }
401 
rtw_debugfs_set_rf_read(struct file * filp,const char __user * buffer,size_t count,loff_t * loff)402 static ssize_t rtw_debugfs_set_rf_read(struct file *filp,
403 				       const char __user *buffer,
404 				       size_t count, loff_t *loff)
405 {
406 	struct seq_file *seqpriv = (struct seq_file *)filp->private_data;
407 	struct rtw_debugfs_priv *debugfs_priv = seqpriv->private;
408 	struct rtw_dev *rtwdev = debugfs_priv->rtwdev;
409 	char tmp[32 + 1];
410 	u32 path, addr, mask;
411 	int num;
412 
413 	rtw_debugfs_copy_from_user(tmp, sizeof(tmp), buffer, count, 3);
414 
415 	num = sscanf(tmp, "%x %x %x", &path, &addr, &mask);
416 
417 	if (num !=  3) {
418 		rtw_warn(rtwdev, "invalid args, [path] [addr] [mask] [val]\n");
419 		return count;
420 	}
421 
422 	debugfs_priv->rf_path = path;
423 	debugfs_priv->rf_addr = addr;
424 	debugfs_priv->rf_mask = mask;
425 
426 	return count;
427 }
428 
rtw_debug_get_mac_page(struct seq_file * m,void * v)429 static int rtw_debug_get_mac_page(struct seq_file *m, void *v)
430 {
431 	struct rtw_debugfs_priv *debugfs_priv = m->private;
432 	struct rtw_dev *rtwdev = debugfs_priv->rtwdev;
433 	u32 page = debugfs_priv->cb_data;
434 	int i, n;
435 	int max = 0xff;
436 
437 	rtw_read32(rtwdev, debugfs_priv->cb_data);
438 	for (n = 0; n <= max; ) {
439 		seq_printf(m, "\n%8.8x  ", n + page);
440 		for (i = 0; i < 4 && n <= max; i++, n += 4)
441 			seq_printf(m, "%8.8x    ",
442 				   rtw_read32(rtwdev, (page | n)));
443 	}
444 	seq_puts(m, "\n");
445 	return 0;
446 }
447 
rtw_debug_get_bb_page(struct seq_file * m,void * v)448 static int rtw_debug_get_bb_page(struct seq_file *m, void *v)
449 {
450 	struct rtw_debugfs_priv *debugfs_priv = m->private;
451 	struct rtw_dev *rtwdev = debugfs_priv->rtwdev;
452 	u32 page = debugfs_priv->cb_data;
453 	int i, n;
454 	int max = 0xff;
455 
456 	rtw_read32(rtwdev, debugfs_priv->cb_data);
457 	for (n = 0; n <= max; ) {
458 		seq_printf(m, "\n%8.8x  ", n + page);
459 		for (i = 0; i < 4 && n <= max; i++, n += 4)
460 			seq_printf(m, "%8.8x    ",
461 				   rtw_read32(rtwdev, (page | n)));
462 	}
463 	seq_puts(m, "\n");
464 	return 0;
465 }
466 
rtw_debug_get_rf_dump(struct seq_file * m,void * v)467 static int rtw_debug_get_rf_dump(struct seq_file *m, void *v)
468 {
469 	struct rtw_debugfs_priv *debugfs_priv = m->private;
470 	struct rtw_dev *rtwdev = debugfs_priv->rtwdev;
471 	u32 addr, offset, data;
472 	u8 path;
473 
474 	for (path = 0; path < rtwdev->hal.rf_path_num; path++) {
475 		seq_printf(m, "RF path:%d\n", path);
476 		for (addr = 0; addr < 0x100; addr += 4) {
477 			seq_printf(m, "%8.8x  ", addr);
478 			for (offset = 0; offset < 4; offset++) {
479 				data = rtw_read_rf(rtwdev, path, addr + offset,
480 						   0xffffffff);
481 				seq_printf(m, "%8.8x    ", data);
482 			}
483 			seq_puts(m, "\n");
484 		}
485 		seq_puts(m, "\n");
486 	}
487 
488 	return 0;
489 }
490 
rtw_print_cck_rate_txt(struct seq_file * m,u8 rate)491 static void rtw_print_cck_rate_txt(struct seq_file *m, u8 rate)
492 {
493 	static const char * const
494 	cck_rate[] = {"1M", "2M", "5.5M", "11M"};
495 	u8 idx = rate - DESC_RATE1M;
496 
497 	seq_printf(m, " CCK_%-5s", cck_rate[idx]);
498 }
499 
rtw_print_ofdm_rate_txt(struct seq_file * m,u8 rate)500 static void rtw_print_ofdm_rate_txt(struct seq_file *m, u8 rate)
501 {
502 	static const char * const
503 	ofdm_rate[] = {"6M", "9M", "12M", "18M", "24M", "36M", "48M", "54M"};
504 	u8 idx = rate - DESC_RATE6M;
505 
506 	seq_printf(m, " OFDM_%-4s", ofdm_rate[idx]);
507 }
508 
rtw_print_ht_rate_txt(struct seq_file * m,u8 rate)509 static void rtw_print_ht_rate_txt(struct seq_file *m, u8 rate)
510 {
511 	u8 mcs_n = rate - DESC_RATEMCS0;
512 
513 	seq_printf(m, " MCS%-6u", mcs_n);
514 }
515 
rtw_print_vht_rate_txt(struct seq_file * m,u8 rate)516 static void rtw_print_vht_rate_txt(struct seq_file *m, u8 rate)
517 {
518 	u8 idx = rate - DESC_RATEVHT1SS_MCS0;
519 	u8 n_ss, mcs_n;
520 
521 	/* n spatial stream */
522 	n_ss = 1 + idx / 10;
523 	/* MCS n */
524 	mcs_n = idx % 10;
525 	seq_printf(m, " VHT%uSMCS%u", n_ss, mcs_n);
526 }
527 
rtw_print_rate(struct seq_file * m,u8 rate)528 static void rtw_print_rate(struct seq_file *m, u8 rate)
529 {
530 	switch (rate) {
531 	case DESC_RATE1M...DESC_RATE11M:
532 		rtw_print_cck_rate_txt(m, rate);
533 		break;
534 	case DESC_RATE6M...DESC_RATE54M:
535 		rtw_print_ofdm_rate_txt(m, rate);
536 		break;
537 	case DESC_RATEMCS0...DESC_RATEMCS15:
538 		rtw_print_ht_rate_txt(m, rate);
539 		break;
540 	case DESC_RATEVHT1SS_MCS0...DESC_RATEVHT2SS_MCS9:
541 		rtw_print_vht_rate_txt(m, rate);
542 		break;
543 	default:
544 		seq_printf(m, " Unknown rate=0x%x\n", rate);
545 		break;
546 	}
547 }
548 
549 #define case_REGD(src) \
550 	case RTW_REGD_##src: return #src
551 
rtw_get_regd_string(u8 regd)552 static const char *rtw_get_regd_string(u8 regd)
553 {
554 	switch (regd) {
555 	case_REGD(FCC);
556 	case_REGD(MKK);
557 	case_REGD(ETSI);
558 	case_REGD(IC);
559 	case_REGD(KCC);
560 	case_REGD(ACMA);
561 	case_REGD(CHILE);
562 	case_REGD(UKRAINE);
563 	case_REGD(MEXICO);
564 	case_REGD(CN);
565 	case_REGD(WW);
566 	default:
567 		return "Unknown";
568 	}
569 }
570 
rtw_debugfs_get_tx_pwr_tbl(struct seq_file * m,void * v)571 static int rtw_debugfs_get_tx_pwr_tbl(struct seq_file *m, void *v)
572 {
573 	struct rtw_debugfs_priv *debugfs_priv = m->private;
574 	struct rtw_dev *rtwdev = debugfs_priv->rtwdev;
575 	struct rtw_hal *hal = &rtwdev->hal;
576 	u8 path, rate;
577 	struct rtw_power_params pwr_param = {0};
578 	u8 bw = hal->current_band_width;
579 	u8 ch = hal->current_channel;
580 	u8 regd = rtwdev->regd.txpwr_regd;
581 
582 	seq_printf(m, "regulatory: %s\n", rtw_get_regd_string(regd));
583 	seq_printf(m, "%-4s %-10s %-3s%6s %-4s %4s (%-4s %-4s) %-4s\n",
584 		   "path", "rate", "pwr", "", "base", "", "byr", "lmt", "rem");
585 
586 	mutex_lock(&hal->tx_power_mutex);
587 	for (path = RF_PATH_A; path <= RF_PATH_B; path++) {
588 		/* there is no CCK rates used in 5G */
589 		if (hal->current_band_type == RTW_BAND_5G)
590 			rate = DESC_RATE6M;
591 		else
592 			rate = DESC_RATE1M;
593 
594 		/* now, not support vht 3ss and vht 4ss*/
595 		for (; rate <= DESC_RATEVHT2SS_MCS9; rate++) {
596 			/* now, not support ht 3ss and ht 4ss*/
597 			if (rate > DESC_RATEMCS15 &&
598 			    rate < DESC_RATEVHT1SS_MCS0)
599 				continue;
600 
601 			rtw_get_tx_power_params(rtwdev, path, rate, bw,
602 						ch, regd, &pwr_param);
603 
604 			seq_printf(m, "%4c ", path + 'A');
605 			rtw_print_rate(m, rate);
606 			seq_printf(m, " %3u(0x%02x) %4u %4d (%4d %4d) %4d\n",
607 				   hal->tx_pwr_tbl[path][rate],
608 				   hal->tx_pwr_tbl[path][rate],
609 				   pwr_param.pwr_base,
610 				   min_t(s8, pwr_param.pwr_offset,
611 					 pwr_param.pwr_limit),
612 				   pwr_param.pwr_offset, pwr_param.pwr_limit,
613 				   pwr_param.pwr_remnant);
614 		}
615 	}
616 
617 	mutex_unlock(&hal->tx_power_mutex);
618 
619 	return 0;
620 }
621 
rtw_debugfs_get_phy_info(struct seq_file * m,void * v)622 static int rtw_debugfs_get_phy_info(struct seq_file *m, void *v)
623 {
624 	struct rtw_debugfs_priv *debugfs_priv = m->private;
625 	struct rtw_dev *rtwdev = debugfs_priv->rtwdev;
626 	struct rtw_dm_info *dm_info = &rtwdev->dm_info;
627 	struct rtw_traffic_stats *stats = &rtwdev->stats;
628 	struct rtw_pkt_count *last_cnt = &dm_info->last_pkt_count;
629 	struct rtw_efuse *efuse = &rtwdev->efuse;
630 	struct ewma_evm *ewma_evm = dm_info->ewma_evm;
631 	struct ewma_snr *ewma_snr = dm_info->ewma_snr;
632 	u8 ss, rate_id;
633 
634 	seq_puts(m, "==========[Common Info]========\n");
635 	seq_printf(m, "Is link = %c\n", rtw_is_assoc(rtwdev) ? 'Y' : 'N');
636 	seq_printf(m, "Current CH(fc) = %u\n", rtwdev->hal.current_channel);
637 	seq_printf(m, "Current BW = %u\n", rtwdev->hal.current_band_width);
638 	seq_printf(m, "Current IGI = 0x%x\n", dm_info->igi_history[0]);
639 	seq_printf(m, "TP {Tx, Rx} = {%u, %u}Mbps\n\n",
640 		   stats->tx_throughput, stats->rx_throughput);
641 
642 	seq_puts(m, "==========[Tx Phy Info]========\n");
643 	seq_puts(m, "[Tx Rate] = ");
644 	rtw_print_rate(m, dm_info->tx_rate);
645 	seq_printf(m, "(0x%x)\n\n", dm_info->tx_rate);
646 
647 	seq_puts(m, "==========[Rx Phy Info]========\n");
648 	seq_printf(m, "[Rx Beacon Count] = %u\n", last_cnt->num_bcn_pkt);
649 	seq_puts(m, "[Rx Rate] = ");
650 	rtw_print_rate(m, dm_info->curr_rx_rate);
651 	seq_printf(m, "(0x%x)\n", dm_info->curr_rx_rate);
652 
653 	seq_puts(m, "[Rx Rate Count]:\n");
654 	seq_printf(m, " * CCK = {%u, %u, %u, %u}\n",
655 		   last_cnt->num_qry_pkt[DESC_RATE1M],
656 		   last_cnt->num_qry_pkt[DESC_RATE2M],
657 		   last_cnt->num_qry_pkt[DESC_RATE5_5M],
658 		   last_cnt->num_qry_pkt[DESC_RATE11M]);
659 
660 	seq_printf(m, " * OFDM = {%u, %u, %u, %u, %u, %u, %u, %u}\n",
661 		   last_cnt->num_qry_pkt[DESC_RATE6M],
662 		   last_cnt->num_qry_pkt[DESC_RATE9M],
663 		   last_cnt->num_qry_pkt[DESC_RATE12M],
664 		   last_cnt->num_qry_pkt[DESC_RATE18M],
665 		   last_cnt->num_qry_pkt[DESC_RATE24M],
666 		   last_cnt->num_qry_pkt[DESC_RATE36M],
667 		   last_cnt->num_qry_pkt[DESC_RATE48M],
668 		   last_cnt->num_qry_pkt[DESC_RATE54M]);
669 
670 	for (ss = 0; ss < efuse->hw_cap.nss; ss++) {
671 		rate_id = DESC_RATEMCS0 + ss * 8;
672 		seq_printf(m, " * HT_MCS[%u:%u] = {%u, %u, %u, %u, %u, %u, %u, %u}\n",
673 			   ss * 8, ss * 8 + 7,
674 			   last_cnt->num_qry_pkt[rate_id],
675 			   last_cnt->num_qry_pkt[rate_id + 1],
676 			   last_cnt->num_qry_pkt[rate_id + 2],
677 			   last_cnt->num_qry_pkt[rate_id + 3],
678 			   last_cnt->num_qry_pkt[rate_id + 4],
679 			   last_cnt->num_qry_pkt[rate_id + 5],
680 			   last_cnt->num_qry_pkt[rate_id + 6],
681 			   last_cnt->num_qry_pkt[rate_id + 7]);
682 	}
683 
684 	for (ss = 0; ss < efuse->hw_cap.nss; ss++) {
685 		rate_id = DESC_RATEVHT1SS_MCS0 + ss * 10;
686 		seq_printf(m, " * VHT_MCS-%uss MCS[0:9] = {%u, %u, %u, %u, %u, %u, %u, %u, %u, %u}\n",
687 			   ss + 1,
688 			   last_cnt->num_qry_pkt[rate_id],
689 			   last_cnt->num_qry_pkt[rate_id + 1],
690 			   last_cnt->num_qry_pkt[rate_id + 2],
691 			   last_cnt->num_qry_pkt[rate_id + 3],
692 			   last_cnt->num_qry_pkt[rate_id + 4],
693 			   last_cnt->num_qry_pkt[rate_id + 5],
694 			   last_cnt->num_qry_pkt[rate_id + 6],
695 			   last_cnt->num_qry_pkt[rate_id + 7],
696 			   last_cnt->num_qry_pkt[rate_id + 8],
697 			   last_cnt->num_qry_pkt[rate_id + 9]);
698 	}
699 
700 	seq_printf(m, "[RSSI(dBm)] = {%d, %d}\n",
701 		   dm_info->rssi[RF_PATH_A] - 100,
702 		   dm_info->rssi[RF_PATH_B] - 100);
703 	seq_printf(m, "[Rx EVM(dB)] = {-%d, -%d}\n",
704 		   dm_info->rx_evm_dbm[RF_PATH_A],
705 		   dm_info->rx_evm_dbm[RF_PATH_B]);
706 	seq_printf(m, "[Rx SNR] = {%d, %d}\n",
707 		   dm_info->rx_snr[RF_PATH_A],
708 		   dm_info->rx_snr[RF_PATH_B]);
709 	seq_printf(m, "[CFO_tail(KHz)] = {%d, %d}\n",
710 		   dm_info->cfo_tail[RF_PATH_A],
711 		   dm_info->cfo_tail[RF_PATH_B]);
712 
713 	if (dm_info->curr_rx_rate >= DESC_RATE11M) {
714 		seq_puts(m, "[Rx Average Status]:\n");
715 		seq_printf(m, " * OFDM, EVM: {-%d}, SNR: {%d}\n",
716 			   (u8)ewma_evm_read(&ewma_evm[RTW_EVM_OFDM]),
717 			   (u8)ewma_snr_read(&ewma_snr[RTW_SNR_OFDM_A]));
718 		seq_printf(m, " * 1SS, EVM: {-%d}, SNR: {%d}\n",
719 			   (u8)ewma_evm_read(&ewma_evm[RTW_EVM_1SS]),
720 			   (u8)ewma_snr_read(&ewma_snr[RTW_SNR_1SS_A]));
721 		seq_printf(m, " * 2SS, EVM: {-%d, -%d}, SNR: {%d, %d}\n",
722 			   (u8)ewma_evm_read(&ewma_evm[RTW_EVM_2SS_A]),
723 			   (u8)ewma_evm_read(&ewma_evm[RTW_EVM_2SS_B]),
724 			   (u8)ewma_snr_read(&ewma_snr[RTW_SNR_2SS_A]),
725 			   (u8)ewma_snr_read(&ewma_snr[RTW_SNR_2SS_B]));
726 	}
727 
728 	seq_puts(m, "[Rx Counter]:\n");
729 	seq_printf(m, " * CCA (CCK, OFDM, Total) = (%u, %u, %u)\n",
730 		   dm_info->cck_cca_cnt,
731 		   dm_info->ofdm_cca_cnt,
732 		   dm_info->total_cca_cnt);
733 	seq_printf(m, " * False Alarm (CCK, OFDM, Total) = (%u, %u, %u)\n",
734 		   dm_info->cck_fa_cnt,
735 		   dm_info->ofdm_fa_cnt,
736 		   dm_info->total_fa_cnt);
737 	seq_printf(m, " * CCK cnt (ok, err) = (%u, %u)\n",
738 		   dm_info->cck_ok_cnt, dm_info->cck_err_cnt);
739 	seq_printf(m, " * OFDM cnt (ok, err) = (%u, %u)\n",
740 		   dm_info->ofdm_ok_cnt, dm_info->ofdm_err_cnt);
741 	seq_printf(m, " * HT cnt (ok, err) = (%u, %u)\n",
742 		   dm_info->ht_ok_cnt, dm_info->ht_err_cnt);
743 	seq_printf(m, " * VHT cnt (ok, err) = (%u, %u)\n",
744 		   dm_info->vht_ok_cnt, dm_info->vht_err_cnt);
745 
746 	return 0;
747 }
748 
rtw_debugfs_get_coex_info(struct seq_file * m,void * v)749 static int rtw_debugfs_get_coex_info(struct seq_file *m, void *v)
750 {
751 	struct rtw_debugfs_priv *debugfs_priv = m->private;
752 	struct rtw_dev *rtwdev = debugfs_priv->rtwdev;
753 
754 	rtw_coex_display_coex_info(rtwdev, m);
755 
756 	return 0;
757 }
758 
rtw_debugfs_set_coex_enable(struct file * filp,const char __user * buffer,size_t count,loff_t * loff)759 static ssize_t rtw_debugfs_set_coex_enable(struct file *filp,
760 					   const char __user *buffer,
761 					   size_t count, loff_t *loff)
762 {
763 	struct seq_file *seqpriv = (struct seq_file *)filp->private_data;
764 	struct rtw_debugfs_priv *debugfs_priv = seqpriv->private;
765 	struct rtw_dev *rtwdev = debugfs_priv->rtwdev;
766 	struct rtw_coex *coex = &rtwdev->coex;
767 	char tmp[32 + 1];
768 	bool enable;
769 	int ret;
770 
771 	rtw_debugfs_copy_from_user(tmp, sizeof(tmp), buffer, count, 1);
772 
773 	ret = kstrtobool(tmp, &enable);
774 	if (ret) {
775 		rtw_warn(rtwdev, "invalid arguments\n");
776 		return ret;
777 	}
778 
779 	mutex_lock(&rtwdev->mutex);
780 	coex->stop_dm = enable == 0;
781 	mutex_unlock(&rtwdev->mutex);
782 
783 	return count;
784 }
785 
rtw_debugfs_get_coex_enable(struct seq_file * m,void * v)786 static int rtw_debugfs_get_coex_enable(struct seq_file *m, void *v)
787 {
788 	struct rtw_debugfs_priv *debugfs_priv = m->private;
789 	struct rtw_dev *rtwdev = debugfs_priv->rtwdev;
790 	struct rtw_coex *coex = &rtwdev->coex;
791 
792 	seq_printf(m, "coex mechanism %s\n",
793 		   coex->stop_dm ? "disabled" : "enabled");
794 
795 	return 0;
796 }
797 
798 #define rtw_debug_impl_mac(page, addr)				\
799 static struct rtw_debugfs_priv rtw_debug_priv_mac_ ##page = {	\
800 	.cb_read = rtw_debug_get_mac_page,			\
801 	.cb_data = addr,					\
802 }
803 
804 rtw_debug_impl_mac(0, 0x0000);
805 rtw_debug_impl_mac(1, 0x0100);
806 rtw_debug_impl_mac(2, 0x0200);
807 rtw_debug_impl_mac(3, 0x0300);
808 rtw_debug_impl_mac(4, 0x0400);
809 rtw_debug_impl_mac(5, 0x0500);
810 rtw_debug_impl_mac(6, 0x0600);
811 rtw_debug_impl_mac(7, 0x0700);
812 rtw_debug_impl_mac(10, 0x1000);
813 rtw_debug_impl_mac(11, 0x1100);
814 rtw_debug_impl_mac(12, 0x1200);
815 rtw_debug_impl_mac(13, 0x1300);
816 rtw_debug_impl_mac(14, 0x1400);
817 rtw_debug_impl_mac(15, 0x1500);
818 rtw_debug_impl_mac(16, 0x1600);
819 rtw_debug_impl_mac(17, 0x1700);
820 
821 #define rtw_debug_impl_bb(page, addr)			\
822 static struct rtw_debugfs_priv rtw_debug_priv_bb_ ##page = {	\
823 	.cb_read = rtw_debug_get_bb_page,			\
824 	.cb_data = addr,					\
825 }
826 
827 rtw_debug_impl_bb(8, 0x0800);
828 rtw_debug_impl_bb(9, 0x0900);
829 rtw_debug_impl_bb(a, 0x0a00);
830 rtw_debug_impl_bb(b, 0x0b00);
831 rtw_debug_impl_bb(c, 0x0c00);
832 rtw_debug_impl_bb(d, 0x0d00);
833 rtw_debug_impl_bb(e, 0x0e00);
834 rtw_debug_impl_bb(f, 0x0f00);
835 rtw_debug_impl_bb(18, 0x1800);
836 rtw_debug_impl_bb(19, 0x1900);
837 rtw_debug_impl_bb(1a, 0x1a00);
838 rtw_debug_impl_bb(1b, 0x1b00);
839 rtw_debug_impl_bb(1c, 0x1c00);
840 rtw_debug_impl_bb(1d, 0x1d00);
841 rtw_debug_impl_bb(1e, 0x1e00);
842 rtw_debug_impl_bb(1f, 0x1f00);
843 rtw_debug_impl_bb(2c, 0x2c00);
844 rtw_debug_impl_bb(2d, 0x2d00);
845 rtw_debug_impl_bb(40, 0x4000);
846 rtw_debug_impl_bb(41, 0x4100);
847 
848 static struct rtw_debugfs_priv rtw_debug_priv_rf_dump = {
849 	.cb_read = rtw_debug_get_rf_dump,
850 };
851 
852 static struct rtw_debugfs_priv rtw_debug_priv_tx_pwr_tbl = {
853 	.cb_read = rtw_debugfs_get_tx_pwr_tbl,
854 };
855 
856 static struct rtw_debugfs_priv rtw_debug_priv_write_reg = {
857 	.cb_write = rtw_debugfs_set_write_reg,
858 };
859 
860 static struct rtw_debugfs_priv rtw_debug_priv_h2c = {
861 	.cb_write = rtw_debugfs_set_h2c,
862 };
863 
864 static struct rtw_debugfs_priv rtw_debug_priv_rf_write = {
865 	.cb_write = rtw_debugfs_set_rf_write,
866 };
867 
868 static struct rtw_debugfs_priv rtw_debug_priv_rf_read = {
869 	.cb_write = rtw_debugfs_set_rf_read,
870 	.cb_read = rtw_debugfs_get_rf_read,
871 };
872 
873 static struct rtw_debugfs_priv rtw_debug_priv_read_reg = {
874 	.cb_write = rtw_debugfs_set_read_reg,
875 	.cb_read = rtw_debugfs_get_read_reg,
876 };
877 
878 static struct rtw_debugfs_priv rtw_debug_priv_dump_cam = {
879 	.cb_write = rtw_debugfs_set_single_input,
880 	.cb_read = rtw_debugfs_get_dump_cam,
881 };
882 
883 static struct rtw_debugfs_priv rtw_debug_priv_rsvd_page = {
884 	.cb_write = rtw_debugfs_set_rsvd_page,
885 	.cb_read = rtw_debugfs_get_rsvd_page,
886 };
887 
888 static struct rtw_debugfs_priv rtw_debug_priv_phy_info = {
889 	.cb_read = rtw_debugfs_get_phy_info,
890 };
891 
892 static struct rtw_debugfs_priv rtw_debug_priv_coex_enable = {
893 	.cb_write = rtw_debugfs_set_coex_enable,
894 	.cb_read = rtw_debugfs_get_coex_enable,
895 };
896 
897 static struct rtw_debugfs_priv rtw_debug_priv_coex_info = {
898 	.cb_read = rtw_debugfs_get_coex_info,
899 };
900 
901 #define rtw_debugfs_add_core(name, mode, fopname, parent)		\
902 	do {								\
903 		rtw_debug_priv_ ##name.rtwdev = rtwdev;			\
904 		if (!debugfs_create_file(#name, mode,			\
905 					 parent, &rtw_debug_priv_ ##name,\
906 					 &file_ops_ ##fopname))		\
907 			pr_debug("Unable to initialize debugfs:%s\n",	\
908 			       #name);					\
909 	} while (0)
910 
911 #define rtw_debugfs_add_w(name)						\
912 	rtw_debugfs_add_core(name, S_IFREG | 0222, common_write, debugfs_topdir)
913 #define rtw_debugfs_add_rw(name)					\
914 	rtw_debugfs_add_core(name, S_IFREG | 0666, single_rw, debugfs_topdir)
915 #define rtw_debugfs_add_r(name)						\
916 	rtw_debugfs_add_core(name, S_IFREG | 0444, single_r, debugfs_topdir)
917 
rtw_debugfs_init(struct rtw_dev * rtwdev)918 void rtw_debugfs_init(struct rtw_dev *rtwdev)
919 {
920 	struct dentry *debugfs_topdir;
921 
922 	debugfs_topdir = debugfs_create_dir("rtw88",
923 					    rtwdev->hw->wiphy->debugfsdir);
924 	rtw_debugfs_add_w(write_reg);
925 	rtw_debugfs_add_rw(read_reg);
926 	rtw_debugfs_add_w(rf_write);
927 	rtw_debugfs_add_rw(rf_read);
928 	rtw_debugfs_add_rw(dump_cam);
929 	rtw_debugfs_add_rw(rsvd_page);
930 	rtw_debugfs_add_r(phy_info);
931 	rtw_debugfs_add_r(coex_info);
932 	rtw_debugfs_add_rw(coex_enable);
933 	rtw_debugfs_add_w(h2c);
934 	rtw_debugfs_add_r(mac_0);
935 	rtw_debugfs_add_r(mac_1);
936 	rtw_debugfs_add_r(mac_2);
937 	rtw_debugfs_add_r(mac_3);
938 	rtw_debugfs_add_r(mac_4);
939 	rtw_debugfs_add_r(mac_5);
940 	rtw_debugfs_add_r(mac_6);
941 	rtw_debugfs_add_r(mac_7);
942 	rtw_debugfs_add_r(bb_8);
943 	rtw_debugfs_add_r(bb_9);
944 	rtw_debugfs_add_r(bb_a);
945 	rtw_debugfs_add_r(bb_b);
946 	rtw_debugfs_add_r(bb_c);
947 	rtw_debugfs_add_r(bb_d);
948 	rtw_debugfs_add_r(bb_e);
949 	rtw_debugfs_add_r(bb_f);
950 	rtw_debugfs_add_r(mac_10);
951 	rtw_debugfs_add_r(mac_11);
952 	rtw_debugfs_add_r(mac_12);
953 	rtw_debugfs_add_r(mac_13);
954 	rtw_debugfs_add_r(mac_14);
955 	rtw_debugfs_add_r(mac_15);
956 	rtw_debugfs_add_r(mac_16);
957 	rtw_debugfs_add_r(mac_17);
958 	rtw_debugfs_add_r(bb_18);
959 	rtw_debugfs_add_r(bb_19);
960 	rtw_debugfs_add_r(bb_1a);
961 	rtw_debugfs_add_r(bb_1b);
962 	rtw_debugfs_add_r(bb_1c);
963 	rtw_debugfs_add_r(bb_1d);
964 	rtw_debugfs_add_r(bb_1e);
965 	rtw_debugfs_add_r(bb_1f);
966 	if (rtwdev->chip->id == RTW_CHIP_TYPE_8822C) {
967 		rtw_debugfs_add_r(bb_2c);
968 		rtw_debugfs_add_r(bb_2d);
969 		rtw_debugfs_add_r(bb_40);
970 		rtw_debugfs_add_r(bb_41);
971 	}
972 	rtw_debugfs_add_r(rf_dump);
973 	rtw_debugfs_add_r(tx_pwr_tbl);
974 }
975 
976 #endif /* CONFIG_RTW88_DEBUGFS */
977 
978 #ifdef CONFIG_RTW88_DEBUG
979 
__rtw_dbg(struct rtw_dev * rtwdev,enum rtw_debug_mask mask,const char * fmt,...)980 void __rtw_dbg(struct rtw_dev *rtwdev, enum rtw_debug_mask mask,
981 	       const char *fmt, ...)
982 {
983 	struct va_format vaf = {
984 		.fmt = fmt,
985 	};
986 	va_list args;
987 
988 	va_start(args, fmt);
989 	vaf.va = &args;
990 
991 	if (rtw_debug_mask & mask)
992 		dev_printk(KERN_DEBUG, rtwdev->dev, "%pV", &vaf);
993 
994 	va_end(args);
995 }
996 EXPORT_SYMBOL(__rtw_dbg);
997 
998 #endif /* CONFIG_RTW88_DEBUG */
999