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 #include "reg.h" 14 #include "ps.h" 15 16 #ifdef CONFIG_RTW88_DEBUGFS 17 18 struct rtw_debugfs_priv { 19 struct rtw_dev *rtwdev; 20 int (*cb_read)(struct seq_file *m, void *v); 21 ssize_t (*cb_write)(struct file *filp, const char __user *buffer, 22 size_t count, loff_t *loff); 23 union { 24 u32 cb_data; 25 u8 *buf; 26 struct { 27 u32 page_offset; 28 u32 page_num; 29 } rsvd_page; 30 struct { 31 u8 rf_path; 32 u32 rf_addr; 33 u32 rf_mask; 34 }; 35 struct { 36 u32 addr; 37 u32 len; 38 } read_reg; 39 struct { 40 u8 bit; 41 } dm_cap; 42 }; 43 }; 44 45 static const char * const rtw_dm_cap_strs[] = { 46 [RTW_DM_CAP_NA] = "NA", 47 [RTW_DM_CAP_TXGAPK] = "TXGAPK", 48 }; 49 50 static int rtw_debugfs_single_show(struct seq_file *m, void *v) 51 { 52 struct rtw_debugfs_priv *debugfs_priv = m->private; 53 54 return debugfs_priv->cb_read(m, v); 55 } 56 57 static ssize_t rtw_debugfs_common_write(struct file *filp, 58 const char __user *buffer, 59 size_t count, loff_t *loff) 60 { 61 struct rtw_debugfs_priv *debugfs_priv = filp->private_data; 62 63 return debugfs_priv->cb_write(filp, buffer, count, loff); 64 } 65 66 static ssize_t rtw_debugfs_single_write(struct file *filp, 67 const char __user *buffer, 68 size_t count, loff_t *loff) 69 { 70 struct seq_file *seqpriv = (struct seq_file *)filp->private_data; 71 struct rtw_debugfs_priv *debugfs_priv = seqpriv->private; 72 73 return debugfs_priv->cb_write(filp, buffer, count, loff); 74 } 75 76 static int rtw_debugfs_single_open_rw(struct inode *inode, struct file *filp) 77 { 78 return single_open(filp, rtw_debugfs_single_show, inode->i_private); 79 } 80 81 static int rtw_debugfs_close(struct inode *inode, struct file *filp) 82 { 83 return 0; 84 } 85 86 static const struct file_operations file_ops_single_r = { 87 .owner = THIS_MODULE, 88 .open = rtw_debugfs_single_open_rw, 89 .read = seq_read, 90 .llseek = seq_lseek, 91 .release = single_release, 92 }; 93 94 static const struct file_operations file_ops_single_rw = { 95 .owner = THIS_MODULE, 96 .open = rtw_debugfs_single_open_rw, 97 .release = single_release, 98 .read = seq_read, 99 .llseek = seq_lseek, 100 .write = rtw_debugfs_single_write, 101 }; 102 103 static const struct file_operations file_ops_common_write = { 104 .owner = THIS_MODULE, 105 .write = rtw_debugfs_common_write, 106 .open = simple_open, 107 .release = rtw_debugfs_close, 108 }; 109 110 static int rtw_debugfs_get_read_reg(struct seq_file *m, void *v) 111 { 112 struct rtw_debugfs_priv *debugfs_priv = m->private; 113 struct rtw_dev *rtwdev = debugfs_priv->rtwdev; 114 u32 val, len, addr; 115 116 len = debugfs_priv->read_reg.len; 117 addr = debugfs_priv->read_reg.addr; 118 switch (len) { 119 case 1: 120 val = rtw_read8(rtwdev, addr); 121 seq_printf(m, "reg 0x%03x: 0x%02x\n", addr, val); 122 break; 123 case 2: 124 val = rtw_read16(rtwdev, addr); 125 seq_printf(m, "reg 0x%03x: 0x%04x\n", addr, val); 126 break; 127 case 4: 128 val = rtw_read32(rtwdev, addr); 129 seq_printf(m, "reg 0x%03x: 0x%08x\n", addr, val); 130 break; 131 } 132 return 0; 133 } 134 135 static int rtw_debugfs_get_rf_read(struct seq_file *m, void *v) 136 { 137 struct rtw_debugfs_priv *debugfs_priv = m->private; 138 struct rtw_dev *rtwdev = debugfs_priv->rtwdev; 139 u32 val, addr, mask; 140 u8 path; 141 142 path = debugfs_priv->rf_path; 143 addr = debugfs_priv->rf_addr; 144 mask = debugfs_priv->rf_mask; 145 146 val = rtw_read_rf(rtwdev, path, addr, mask); 147 148 seq_printf(m, "rf_read path:%d addr:0x%08x mask:0x%08x val=0x%08x\n", 149 path, addr, mask, val); 150 151 return 0; 152 } 153 154 static int rtw_debugfs_copy_from_user(char tmp[], int size, 155 const char __user *buffer, size_t count, 156 int num) 157 { 158 int tmp_len; 159 160 memset(tmp, 0, size); 161 162 if (count < num) 163 return -EFAULT; 164 165 tmp_len = (count > size - 1 ? size - 1 : count); 166 167 if (!buffer || copy_from_user(tmp, buffer, tmp_len)) 168 return count; 169 170 tmp[tmp_len] = '\0'; 171 172 return 0; 173 } 174 175 static ssize_t rtw_debugfs_set_read_reg(struct file *filp, 176 const char __user *buffer, 177 size_t count, loff_t *loff) 178 { 179 struct seq_file *seqpriv = (struct seq_file *)filp->private_data; 180 struct rtw_debugfs_priv *debugfs_priv = seqpriv->private; 181 struct rtw_dev *rtwdev = debugfs_priv->rtwdev; 182 char tmp[32 + 1]; 183 u32 addr, len; 184 int num; 185 186 rtw_debugfs_copy_from_user(tmp, sizeof(tmp), buffer, count, 2); 187 188 num = sscanf(tmp, "%x %x", &addr, &len); 189 190 if (num != 2) 191 return count; 192 193 if (len != 1 && len != 2 && len != 4) { 194 rtw_warn(rtwdev, "read reg setting wrong len\n"); 195 return -EINVAL; 196 } 197 debugfs_priv->read_reg.addr = addr; 198 debugfs_priv->read_reg.len = len; 199 200 return count; 201 } 202 203 static int rtw_debugfs_get_dump_cam(struct seq_file *m, void *v) 204 { 205 struct rtw_debugfs_priv *debugfs_priv = m->private; 206 struct rtw_dev *rtwdev = debugfs_priv->rtwdev; 207 u32 val, command; 208 u32 hw_key_idx = debugfs_priv->cb_data << RTW_SEC_CAM_ENTRY_SHIFT; 209 u32 read_cmd = RTW_SEC_CMD_POLLING; 210 int i; 211 212 seq_printf(m, "cam entry%d\n", debugfs_priv->cb_data); 213 seq_puts(m, "0x0 0x1 0x2 0x3 "); 214 seq_puts(m, "0x4 0x5\n"); 215 mutex_lock(&rtwdev->mutex); 216 for (i = 0; i <= 5; i++) { 217 command = read_cmd | (hw_key_idx + i); 218 rtw_write32(rtwdev, RTW_SEC_CMD_REG, command); 219 val = rtw_read32(rtwdev, RTW_SEC_READ_REG); 220 seq_printf(m, "%8.8x", val); 221 if (i < 2) 222 seq_puts(m, " "); 223 } 224 seq_puts(m, "\n"); 225 mutex_unlock(&rtwdev->mutex); 226 return 0; 227 } 228 229 static int rtw_debugfs_get_rsvd_page(struct seq_file *m, void *v) 230 { 231 struct rtw_debugfs_priv *debugfs_priv = m->private; 232 struct rtw_dev *rtwdev = debugfs_priv->rtwdev; 233 u8 page_size = rtwdev->chip->page_size; 234 u32 buf_size = debugfs_priv->rsvd_page.page_num * page_size; 235 u32 offset = debugfs_priv->rsvd_page.page_offset * page_size; 236 u8 *buf; 237 int i; 238 int ret; 239 240 buf = vzalloc(buf_size); 241 if (!buf) 242 return -ENOMEM; 243 244 ret = rtw_fw_dump_fifo(rtwdev, RTW_FW_FIFO_SEL_RSVD_PAGE, offset, 245 buf_size, (u32 *)buf); 246 if (ret) { 247 rtw_err(rtwdev, "failed to dump rsvd page\n"); 248 vfree(buf); 249 return ret; 250 } 251 252 for (i = 0 ; i < buf_size ; i += 8) { 253 if (i % page_size == 0) 254 seq_printf(m, "PAGE %d\n", (i + offset) / page_size); 255 seq_printf(m, "%2.2x %2.2x %2.2x %2.2x %2.2x %2.2x %2.2x %2.2x\n", 256 *(buf + i), *(buf + i + 1), 257 *(buf + i + 2), *(buf + i + 3), 258 *(buf + i + 4), *(buf + i + 5), 259 *(buf + i + 6), *(buf + i + 7)); 260 } 261 vfree(buf); 262 263 return 0; 264 } 265 266 static ssize_t rtw_debugfs_set_rsvd_page(struct file *filp, 267 const char __user *buffer, 268 size_t count, loff_t *loff) 269 { 270 struct seq_file *seqpriv = (struct seq_file *)filp->private_data; 271 struct rtw_debugfs_priv *debugfs_priv = seqpriv->private; 272 struct rtw_dev *rtwdev = debugfs_priv->rtwdev; 273 char tmp[32 + 1]; 274 u32 offset, page_num; 275 int num; 276 277 rtw_debugfs_copy_from_user(tmp, sizeof(tmp), buffer, count, 2); 278 279 num = sscanf(tmp, "%d %d", &offset, &page_num); 280 281 if (num != 2) { 282 rtw_warn(rtwdev, "invalid arguments\n"); 283 return -EINVAL; 284 } 285 286 debugfs_priv->rsvd_page.page_offset = offset; 287 debugfs_priv->rsvd_page.page_num = page_num; 288 289 return count; 290 } 291 292 static ssize_t rtw_debugfs_set_single_input(struct file *filp, 293 const char __user *buffer, 294 size_t count, loff_t *loff) 295 { 296 struct seq_file *seqpriv = (struct seq_file *)filp->private_data; 297 struct rtw_debugfs_priv *debugfs_priv = seqpriv->private; 298 struct rtw_dev *rtwdev = debugfs_priv->rtwdev; 299 char tmp[32 + 1]; 300 u32 input; 301 int num; 302 303 rtw_debugfs_copy_from_user(tmp, sizeof(tmp), buffer, count, 1); 304 305 num = kstrtoint(tmp, 0, &input); 306 307 if (num) { 308 rtw_warn(rtwdev, "kstrtoint failed\n"); 309 return num; 310 } 311 312 debugfs_priv->cb_data = input; 313 314 return count; 315 } 316 317 static ssize_t rtw_debugfs_set_write_reg(struct file *filp, 318 const char __user *buffer, 319 size_t count, loff_t *loff) 320 { 321 struct rtw_debugfs_priv *debugfs_priv = filp->private_data; 322 struct rtw_dev *rtwdev = debugfs_priv->rtwdev; 323 char tmp[32 + 1]; 324 u32 addr, val, len; 325 int num; 326 327 rtw_debugfs_copy_from_user(tmp, sizeof(tmp), buffer, count, 3); 328 329 /* write BB/MAC register */ 330 num = sscanf(tmp, "%x %x %x", &addr, &val, &len); 331 332 if (num != 3) 333 return count; 334 335 switch (len) { 336 case 1: 337 rtw_dbg(rtwdev, RTW_DBG_DEBUGFS, 338 "reg write8 0x%03x: 0x%08x\n", addr, val); 339 rtw_write8(rtwdev, addr, (u8)val); 340 break; 341 case 2: 342 rtw_dbg(rtwdev, RTW_DBG_DEBUGFS, 343 "reg write16 0x%03x: 0x%08x\n", addr, val); 344 rtw_write16(rtwdev, addr, (u16)val); 345 break; 346 case 4: 347 rtw_dbg(rtwdev, RTW_DBG_DEBUGFS, 348 "reg write32 0x%03x: 0x%08x\n", addr, val); 349 rtw_write32(rtwdev, addr, (u32)val); 350 break; 351 default: 352 rtw_dbg(rtwdev, RTW_DBG_DEBUGFS, 353 "error write length = %d\n", len); 354 break; 355 } 356 357 return count; 358 } 359 360 static ssize_t rtw_debugfs_set_h2c(struct file *filp, 361 const char __user *buffer, 362 size_t count, loff_t *loff) 363 { 364 struct rtw_debugfs_priv *debugfs_priv = filp->private_data; 365 struct rtw_dev *rtwdev = debugfs_priv->rtwdev; 366 char tmp[32 + 1]; 367 u8 param[8]; 368 int num; 369 370 rtw_debugfs_copy_from_user(tmp, sizeof(tmp), buffer, count, 3); 371 372 num = sscanf(tmp, "%hhx,%hhx,%hhx,%hhx,%hhx,%hhx,%hhx,%hhx", 373 ¶m[0], ¶m[1], ¶m[2], ¶m[3], 374 ¶m[4], ¶m[5], ¶m[6], ¶m[7]); 375 if (num != 8) { 376 rtw_info(rtwdev, "invalid H2C command format for debug\n"); 377 return -EINVAL; 378 } 379 380 rtw_fw_h2c_cmd_dbg(rtwdev, param); 381 382 return count; 383 } 384 385 static ssize_t rtw_debugfs_set_rf_write(struct file *filp, 386 const char __user *buffer, 387 size_t count, loff_t *loff) 388 { 389 struct rtw_debugfs_priv *debugfs_priv = filp->private_data; 390 struct rtw_dev *rtwdev = debugfs_priv->rtwdev; 391 char tmp[32 + 1]; 392 u32 path, addr, mask, val; 393 int num; 394 395 rtw_debugfs_copy_from_user(tmp, sizeof(tmp), buffer, count, 4); 396 397 num = sscanf(tmp, "%x %x %x %x", &path, &addr, &mask, &val); 398 399 if (num != 4) { 400 rtw_warn(rtwdev, "invalid args, [path] [addr] [mask] [val]\n"); 401 return count; 402 } 403 404 rtw_write_rf(rtwdev, path, addr, mask, val); 405 rtw_dbg(rtwdev, RTW_DBG_DEBUGFS, 406 "write_rf path:%d addr:0x%08x mask:0x%08x, val:0x%08x\n", 407 path, addr, mask, val); 408 409 return count; 410 } 411 412 static ssize_t rtw_debugfs_set_rf_read(struct file *filp, 413 const char __user *buffer, 414 size_t count, loff_t *loff) 415 { 416 struct seq_file *seqpriv = (struct seq_file *)filp->private_data; 417 struct rtw_debugfs_priv *debugfs_priv = seqpriv->private; 418 struct rtw_dev *rtwdev = debugfs_priv->rtwdev; 419 char tmp[32 + 1]; 420 u32 path, addr, mask; 421 int num; 422 423 rtw_debugfs_copy_from_user(tmp, sizeof(tmp), buffer, count, 3); 424 425 num = sscanf(tmp, "%x %x %x", &path, &addr, &mask); 426 427 if (num != 3) { 428 rtw_warn(rtwdev, "invalid args, [path] [addr] [mask] [val]\n"); 429 return count; 430 } 431 432 debugfs_priv->rf_path = path; 433 debugfs_priv->rf_addr = addr; 434 debugfs_priv->rf_mask = mask; 435 436 return count; 437 } 438 439 static int rtw_debug_get_mac_page(struct seq_file *m, void *v) 440 { 441 struct rtw_debugfs_priv *debugfs_priv = m->private; 442 struct rtw_dev *rtwdev = debugfs_priv->rtwdev; 443 u32 page = debugfs_priv->cb_data; 444 int i, n; 445 int max = 0xff; 446 447 rtw_read32(rtwdev, debugfs_priv->cb_data); 448 for (n = 0; n <= max; ) { 449 seq_printf(m, "\n%8.8x ", n + page); 450 for (i = 0; i < 4 && n <= max; i++, n += 4) 451 seq_printf(m, "%8.8x ", 452 rtw_read32(rtwdev, (page | n))); 453 } 454 seq_puts(m, "\n"); 455 return 0; 456 } 457 458 static int rtw_debug_get_bb_page(struct seq_file *m, void *v) 459 { 460 struct rtw_debugfs_priv *debugfs_priv = m->private; 461 struct rtw_dev *rtwdev = debugfs_priv->rtwdev; 462 u32 page = debugfs_priv->cb_data; 463 int i, n; 464 int max = 0xff; 465 466 rtw_read32(rtwdev, debugfs_priv->cb_data); 467 for (n = 0; n <= max; ) { 468 seq_printf(m, "\n%8.8x ", n + page); 469 for (i = 0; i < 4 && n <= max; i++, n += 4) 470 seq_printf(m, "%8.8x ", 471 rtw_read32(rtwdev, (page | n))); 472 } 473 seq_puts(m, "\n"); 474 return 0; 475 } 476 477 static int rtw_debug_get_rf_dump(struct seq_file *m, void *v) 478 { 479 struct rtw_debugfs_priv *debugfs_priv = m->private; 480 struct rtw_dev *rtwdev = debugfs_priv->rtwdev; 481 u32 addr, offset, data; 482 u8 path; 483 484 for (path = 0; path < rtwdev->hal.rf_path_num; path++) { 485 seq_printf(m, "RF path:%d\n", path); 486 for (addr = 0; addr < 0x100; addr += 4) { 487 seq_printf(m, "%8.8x ", addr); 488 for (offset = 0; offset < 4; offset++) { 489 data = rtw_read_rf(rtwdev, path, addr + offset, 490 0xffffffff); 491 seq_printf(m, "%8.8x ", data); 492 } 493 seq_puts(m, "\n"); 494 } 495 seq_puts(m, "\n"); 496 } 497 498 return 0; 499 } 500 501 static void rtw_print_cck_rate_txt(struct seq_file *m, u8 rate) 502 { 503 static const char * const 504 cck_rate[] = {"1M", "2M", "5.5M", "11M"}; 505 u8 idx = rate - DESC_RATE1M; 506 507 seq_printf(m, " CCK_%-5s", cck_rate[idx]); 508 } 509 510 static void rtw_print_ofdm_rate_txt(struct seq_file *m, u8 rate) 511 { 512 static const char * const 513 ofdm_rate[] = {"6M", "9M", "12M", "18M", "24M", "36M", "48M", "54M"}; 514 u8 idx = rate - DESC_RATE6M; 515 516 seq_printf(m, " OFDM_%-4s", ofdm_rate[idx]); 517 } 518 519 static void rtw_print_ht_rate_txt(struct seq_file *m, u8 rate) 520 { 521 u8 mcs_n = rate - DESC_RATEMCS0; 522 523 seq_printf(m, " MCS%-6u", mcs_n); 524 } 525 526 static void rtw_print_vht_rate_txt(struct seq_file *m, u8 rate) 527 { 528 u8 idx = rate - DESC_RATEVHT1SS_MCS0; 529 u8 n_ss, mcs_n; 530 531 /* n spatial stream */ 532 n_ss = 1 + idx / 10; 533 /* MCS n */ 534 mcs_n = idx % 10; 535 seq_printf(m, " VHT%uSMCS%u", n_ss, mcs_n); 536 } 537 538 static void rtw_print_rate(struct seq_file *m, u8 rate) 539 { 540 switch (rate) { 541 case DESC_RATE1M...DESC_RATE11M: 542 rtw_print_cck_rate_txt(m, rate); 543 break; 544 case DESC_RATE6M...DESC_RATE54M: 545 rtw_print_ofdm_rate_txt(m, rate); 546 break; 547 case DESC_RATEMCS0...DESC_RATEMCS15: 548 rtw_print_ht_rate_txt(m, rate); 549 break; 550 case DESC_RATEVHT1SS_MCS0...DESC_RATEVHT2SS_MCS9: 551 rtw_print_vht_rate_txt(m, rate); 552 break; 553 default: 554 seq_printf(m, " Unknown rate=0x%x\n", rate); 555 break; 556 } 557 } 558 559 #define case_REGD(src) \ 560 case RTW_REGD_##src: return #src 561 562 static const char *rtw_get_regd_string(u8 regd) 563 { 564 switch (regd) { 565 case_REGD(FCC); 566 case_REGD(MKK); 567 case_REGD(ETSI); 568 case_REGD(IC); 569 case_REGD(KCC); 570 case_REGD(ACMA); 571 case_REGD(CHILE); 572 case_REGD(UKRAINE); 573 case_REGD(MEXICO); 574 case_REGD(CN); 575 case_REGD(WW); 576 default: 577 return "Unknown"; 578 } 579 } 580 581 static int rtw_debugfs_get_tx_pwr_tbl(struct seq_file *m, void *v) 582 { 583 struct rtw_debugfs_priv *debugfs_priv = m->private; 584 struct rtw_dev *rtwdev = debugfs_priv->rtwdev; 585 struct rtw_hal *hal = &rtwdev->hal; 586 u8 path, rate; 587 struct rtw_power_params pwr_param = {0}; 588 u8 bw = hal->current_band_width; 589 u8 ch = hal->current_channel; 590 u8 regd = rtwdev->regd.txpwr_regd; 591 592 seq_printf(m, "regulatory: %s\n", rtw_get_regd_string(regd)); 593 seq_printf(m, "%-4s %-10s %-3s%6s %-4s %4s (%-4s %-4s) %-4s\n", 594 "path", "rate", "pwr", "", "base", "", "byr", "lmt", "rem"); 595 596 mutex_lock(&hal->tx_power_mutex); 597 for (path = RF_PATH_A; path <= RF_PATH_B; path++) { 598 /* there is no CCK rates used in 5G */ 599 if (hal->current_band_type == RTW_BAND_5G) 600 rate = DESC_RATE6M; 601 else 602 rate = DESC_RATE1M; 603 604 /* now, not support vht 3ss and vht 4ss*/ 605 for (; rate <= DESC_RATEVHT2SS_MCS9; rate++) { 606 /* now, not support ht 3ss and ht 4ss*/ 607 if (rate > DESC_RATEMCS15 && 608 rate < DESC_RATEVHT1SS_MCS0) 609 continue; 610 611 rtw_get_tx_power_params(rtwdev, path, rate, bw, 612 ch, regd, &pwr_param); 613 614 seq_printf(m, "%4c ", path + 'A'); 615 rtw_print_rate(m, rate); 616 seq_printf(m, " %3u(0x%02x) %4u %4d (%4d %4d) %4d\n", 617 hal->tx_pwr_tbl[path][rate], 618 hal->tx_pwr_tbl[path][rate], 619 pwr_param.pwr_base, 620 min_t(s8, pwr_param.pwr_offset, 621 pwr_param.pwr_limit), 622 pwr_param.pwr_offset, pwr_param.pwr_limit, 623 pwr_param.pwr_remnant); 624 } 625 } 626 627 mutex_unlock(&hal->tx_power_mutex); 628 629 return 0; 630 } 631 632 void rtw_debugfs_get_simple_phy_info(struct seq_file *m) 633 { 634 struct rtw_debugfs_priv *debugfs_priv = m->private; 635 struct rtw_dev *rtwdev = debugfs_priv->rtwdev; 636 struct rtw_hal *hal = &rtwdev->hal; 637 struct rtw_dm_info *dm_info = &rtwdev->dm_info; 638 struct rtw_traffic_stats *stats = &rtwdev->stats; 639 640 seq_printf(m, "%-40s = %ddBm/ %d\n", "RSSI/ STA Channel", 641 dm_info->rssi[RF_PATH_A] - 100, hal->current_channel); 642 643 seq_printf(m, "TP {Tx, Rx} = {%u, %u}Mbps\n", 644 stats->tx_throughput, stats->rx_throughput); 645 646 seq_puts(m, "[Tx Rate] = "); 647 rtw_print_rate(m, dm_info->tx_rate); 648 seq_printf(m, "(0x%x)\n", dm_info->tx_rate); 649 650 seq_puts(m, "[Rx Rate] = "); 651 rtw_print_rate(m, dm_info->curr_rx_rate); 652 seq_printf(m, "(0x%x)\n", dm_info->curr_rx_rate); 653 } 654 655 static int rtw_debugfs_get_phy_info(struct seq_file *m, void *v) 656 { 657 struct rtw_debugfs_priv *debugfs_priv = m->private; 658 struct rtw_dev *rtwdev = debugfs_priv->rtwdev; 659 struct rtw_dm_info *dm_info = &rtwdev->dm_info; 660 struct rtw_traffic_stats *stats = &rtwdev->stats; 661 struct rtw_pkt_count *last_cnt = &dm_info->last_pkt_count; 662 struct rtw_efuse *efuse = &rtwdev->efuse; 663 struct ewma_evm *ewma_evm = dm_info->ewma_evm; 664 struct ewma_snr *ewma_snr = dm_info->ewma_snr; 665 u8 ss, rate_id; 666 667 seq_puts(m, "==========[Common Info]========\n"); 668 seq_printf(m, "Is link = %c\n", rtw_is_assoc(rtwdev) ? 'Y' : 'N'); 669 seq_printf(m, "Current CH(fc) = %u\n", rtwdev->hal.current_channel); 670 seq_printf(m, "Current BW = %u\n", rtwdev->hal.current_band_width); 671 seq_printf(m, "Current IGI = 0x%x\n", dm_info->igi_history[0]); 672 seq_printf(m, "TP {Tx, Rx} = {%u, %u}Mbps\n\n", 673 stats->tx_throughput, stats->rx_throughput); 674 675 seq_puts(m, "==========[Tx Phy Info]========\n"); 676 seq_puts(m, "[Tx Rate] = "); 677 rtw_print_rate(m, dm_info->tx_rate); 678 seq_printf(m, "(0x%x)\n\n", dm_info->tx_rate); 679 680 seq_puts(m, "==========[Rx Phy Info]========\n"); 681 seq_printf(m, "[Rx Beacon Count] = %u\n", last_cnt->num_bcn_pkt); 682 seq_puts(m, "[Rx Rate] = "); 683 rtw_print_rate(m, dm_info->curr_rx_rate); 684 seq_printf(m, "(0x%x)\n", dm_info->curr_rx_rate); 685 686 seq_puts(m, "[Rx Rate Count]:\n"); 687 seq_printf(m, " * CCK = {%u, %u, %u, %u}\n", 688 last_cnt->num_qry_pkt[DESC_RATE1M], 689 last_cnt->num_qry_pkt[DESC_RATE2M], 690 last_cnt->num_qry_pkt[DESC_RATE5_5M], 691 last_cnt->num_qry_pkt[DESC_RATE11M]); 692 693 seq_printf(m, " * OFDM = {%u, %u, %u, %u, %u, %u, %u, %u}\n", 694 last_cnt->num_qry_pkt[DESC_RATE6M], 695 last_cnt->num_qry_pkt[DESC_RATE9M], 696 last_cnt->num_qry_pkt[DESC_RATE12M], 697 last_cnt->num_qry_pkt[DESC_RATE18M], 698 last_cnt->num_qry_pkt[DESC_RATE24M], 699 last_cnt->num_qry_pkt[DESC_RATE36M], 700 last_cnt->num_qry_pkt[DESC_RATE48M], 701 last_cnt->num_qry_pkt[DESC_RATE54M]); 702 703 for (ss = 0; ss < efuse->hw_cap.nss; ss++) { 704 rate_id = DESC_RATEMCS0 + ss * 8; 705 seq_printf(m, " * HT_MCS[%u:%u] = {%u, %u, %u, %u, %u, %u, %u, %u}\n", 706 ss * 8, ss * 8 + 7, 707 last_cnt->num_qry_pkt[rate_id], 708 last_cnt->num_qry_pkt[rate_id + 1], 709 last_cnt->num_qry_pkt[rate_id + 2], 710 last_cnt->num_qry_pkt[rate_id + 3], 711 last_cnt->num_qry_pkt[rate_id + 4], 712 last_cnt->num_qry_pkt[rate_id + 5], 713 last_cnt->num_qry_pkt[rate_id + 6], 714 last_cnt->num_qry_pkt[rate_id + 7]); 715 } 716 717 for (ss = 0; ss < efuse->hw_cap.nss; ss++) { 718 rate_id = DESC_RATEVHT1SS_MCS0 + ss * 10; 719 seq_printf(m, " * VHT_MCS-%uss MCS[0:9] = {%u, %u, %u, %u, %u, %u, %u, %u, %u, %u}\n", 720 ss + 1, 721 last_cnt->num_qry_pkt[rate_id], 722 last_cnt->num_qry_pkt[rate_id + 1], 723 last_cnt->num_qry_pkt[rate_id + 2], 724 last_cnt->num_qry_pkt[rate_id + 3], 725 last_cnt->num_qry_pkt[rate_id + 4], 726 last_cnt->num_qry_pkt[rate_id + 5], 727 last_cnt->num_qry_pkt[rate_id + 6], 728 last_cnt->num_qry_pkt[rate_id + 7], 729 last_cnt->num_qry_pkt[rate_id + 8], 730 last_cnt->num_qry_pkt[rate_id + 9]); 731 } 732 733 seq_printf(m, "[RSSI(dBm)] = {%d, %d}\n", 734 dm_info->rssi[RF_PATH_A] - 100, 735 dm_info->rssi[RF_PATH_B] - 100); 736 seq_printf(m, "[Rx EVM(dB)] = {-%d, -%d}\n", 737 dm_info->rx_evm_dbm[RF_PATH_A], 738 dm_info->rx_evm_dbm[RF_PATH_B]); 739 seq_printf(m, "[Rx SNR] = {%d, %d}\n", 740 dm_info->rx_snr[RF_PATH_A], 741 dm_info->rx_snr[RF_PATH_B]); 742 seq_printf(m, "[CFO_tail(KHz)] = {%d, %d}\n", 743 dm_info->cfo_tail[RF_PATH_A], 744 dm_info->cfo_tail[RF_PATH_B]); 745 746 if (dm_info->curr_rx_rate >= DESC_RATE11M) { 747 seq_puts(m, "[Rx Average Status]:\n"); 748 seq_printf(m, " * OFDM, EVM: {-%d}, SNR: {%d}\n", 749 (u8)ewma_evm_read(&ewma_evm[RTW_EVM_OFDM]), 750 (u8)ewma_snr_read(&ewma_snr[RTW_SNR_OFDM_A])); 751 seq_printf(m, " * 1SS, EVM: {-%d}, SNR: {%d}\n", 752 (u8)ewma_evm_read(&ewma_evm[RTW_EVM_1SS]), 753 (u8)ewma_snr_read(&ewma_snr[RTW_SNR_1SS_A])); 754 seq_printf(m, " * 2SS, EVM: {-%d, -%d}, SNR: {%d, %d}\n", 755 (u8)ewma_evm_read(&ewma_evm[RTW_EVM_2SS_A]), 756 (u8)ewma_evm_read(&ewma_evm[RTW_EVM_2SS_B]), 757 (u8)ewma_snr_read(&ewma_snr[RTW_SNR_2SS_A]), 758 (u8)ewma_snr_read(&ewma_snr[RTW_SNR_2SS_B])); 759 } 760 761 seq_puts(m, "[Rx Counter]:\n"); 762 seq_printf(m, " * CCA (CCK, OFDM, Total) = (%u, %u, %u)\n", 763 dm_info->cck_cca_cnt, 764 dm_info->ofdm_cca_cnt, 765 dm_info->total_cca_cnt); 766 seq_printf(m, " * False Alarm (CCK, OFDM, Total) = (%u, %u, %u)\n", 767 dm_info->cck_fa_cnt, 768 dm_info->ofdm_fa_cnt, 769 dm_info->total_fa_cnt); 770 seq_printf(m, " * CCK cnt (ok, err) = (%u, %u)\n", 771 dm_info->cck_ok_cnt, dm_info->cck_err_cnt); 772 seq_printf(m, " * OFDM cnt (ok, err) = (%u, %u)\n", 773 dm_info->ofdm_ok_cnt, dm_info->ofdm_err_cnt); 774 seq_printf(m, " * HT cnt (ok, err) = (%u, %u)\n", 775 dm_info->ht_ok_cnt, dm_info->ht_err_cnt); 776 seq_printf(m, " * VHT cnt (ok, err) = (%u, %u)\n", 777 dm_info->vht_ok_cnt, dm_info->vht_err_cnt); 778 779 return 0; 780 } 781 782 static int rtw_debugfs_get_coex_info(struct seq_file *m, void *v) 783 { 784 struct rtw_debugfs_priv *debugfs_priv = m->private; 785 struct rtw_dev *rtwdev = debugfs_priv->rtwdev; 786 787 rtw_coex_display_coex_info(rtwdev, m); 788 789 return 0; 790 } 791 792 static ssize_t rtw_debugfs_set_coex_enable(struct file *filp, 793 const char __user *buffer, 794 size_t count, loff_t *loff) 795 { 796 struct seq_file *seqpriv = (struct seq_file *)filp->private_data; 797 struct rtw_debugfs_priv *debugfs_priv = seqpriv->private; 798 struct rtw_dev *rtwdev = debugfs_priv->rtwdev; 799 struct rtw_coex *coex = &rtwdev->coex; 800 char tmp[32 + 1]; 801 bool enable; 802 int ret; 803 804 rtw_debugfs_copy_from_user(tmp, sizeof(tmp), buffer, count, 1); 805 806 ret = kstrtobool(tmp, &enable); 807 if (ret) { 808 rtw_warn(rtwdev, "invalid arguments\n"); 809 return ret; 810 } 811 812 mutex_lock(&rtwdev->mutex); 813 coex->manual_control = !enable; 814 mutex_unlock(&rtwdev->mutex); 815 816 return count; 817 } 818 819 static int rtw_debugfs_get_coex_enable(struct seq_file *m, void *v) 820 { 821 struct rtw_debugfs_priv *debugfs_priv = m->private; 822 struct rtw_dev *rtwdev = debugfs_priv->rtwdev; 823 struct rtw_coex *coex = &rtwdev->coex; 824 825 seq_printf(m, "coex mechanism %s\n", 826 coex->manual_control ? "disabled" : "enabled"); 827 828 return 0; 829 } 830 831 static ssize_t rtw_debugfs_set_fw_crash(struct file *filp, 832 const char __user *buffer, 833 size_t count, loff_t *loff) 834 { 835 struct seq_file *seqpriv = (struct seq_file *)filp->private_data; 836 struct rtw_debugfs_priv *debugfs_priv = seqpriv->private; 837 struct rtw_dev *rtwdev = debugfs_priv->rtwdev; 838 char tmp[32 + 1]; 839 bool input; 840 int ret; 841 842 rtw_debugfs_copy_from_user(tmp, sizeof(tmp), buffer, count, 1); 843 844 ret = kstrtobool(tmp, &input); 845 if (ret) 846 return -EINVAL; 847 848 if (!input) 849 return -EINVAL; 850 851 if (test_bit(RTW_FLAG_RESTARTING, rtwdev->flags)) 852 return -EINPROGRESS; 853 854 mutex_lock(&rtwdev->mutex); 855 rtw_leave_lps_deep(rtwdev); 856 rtw_write8(rtwdev, REG_HRCV_MSG, 1); 857 mutex_unlock(&rtwdev->mutex); 858 859 return count; 860 } 861 862 static int rtw_debugfs_get_fw_crash(struct seq_file *m, void *v) 863 { 864 struct rtw_debugfs_priv *debugfs_priv = m->private; 865 struct rtw_dev *rtwdev = debugfs_priv->rtwdev; 866 867 seq_printf(m, "%d\n", test_bit(RTW_FLAG_RESTARTING, rtwdev->flags)); 868 return 0; 869 } 870 871 static ssize_t rtw_debugfs_set_dm_cap(struct file *filp, 872 const char __user *buffer, 873 size_t count, loff_t *loff) 874 { 875 struct seq_file *seqpriv = (struct seq_file *)filp->private_data; 876 struct rtw_debugfs_priv *debugfs_priv = seqpriv->private; 877 struct rtw_dev *rtwdev = debugfs_priv->rtwdev; 878 struct rtw_dm_info *dm_info = &rtwdev->dm_info; 879 int bit; 880 bool en; 881 882 if (kstrtoint_from_user(buffer, count, 10, &bit)) 883 return -EINVAL; 884 885 en = bit > 0; 886 bit = abs(bit); 887 888 if (bit >= RTW_DM_CAP_NUM) { 889 rtw_warn(rtwdev, "unknown DM CAP %d\n", bit); 890 return -EINVAL; 891 } 892 893 if (en) 894 dm_info->dm_flags &= ~BIT(bit); 895 else 896 dm_info->dm_flags |= BIT(bit); 897 898 debugfs_priv->dm_cap.bit = bit; 899 900 return count; 901 } 902 903 static void dump_gapk_status(struct rtw_dev *rtwdev, struct seq_file *m) 904 { 905 struct rtw_dm_info *dm_info = &rtwdev->dm_info; 906 struct rtw_gapk_info *txgapk = &rtwdev->dm_info.gapk; 907 int i, path; 908 u32 val; 909 910 seq_printf(m, "\n(%2d) %c%s\n\n", RTW_DM_CAP_TXGAPK, 911 dm_info->dm_flags & BIT(RTW_DM_CAP_TXGAPK) ? '-' : '+', 912 rtw_dm_cap_strs[RTW_DM_CAP_TXGAPK]); 913 914 for (path = 0; path < rtwdev->hal.rf_path_num; path++) { 915 val = rtw_read_rf(rtwdev, path, RF_GAINTX, RFREG_MASK); 916 seq_printf(m, "path %d:\n0x%x = 0x%x\n", path, RF_GAINTX, val); 917 918 for (i = 0; i < RF_HW_OFFSET_NUM; i++) 919 seq_printf(m, "[TXGAPK] offset %d %d\n", 920 txgapk->rf3f_fs[path][i], i); 921 seq_puts(m, "\n"); 922 } 923 } 924 925 static int rtw_debugfs_get_dm_cap(struct seq_file *m, void *v) 926 { 927 struct rtw_debugfs_priv *debugfs_priv = m->private; 928 struct rtw_dev *rtwdev = debugfs_priv->rtwdev; 929 struct rtw_dm_info *dm_info = &rtwdev->dm_info; 930 int i; 931 932 switch (debugfs_priv->dm_cap.bit) { 933 case RTW_DM_CAP_TXGAPK: 934 dump_gapk_status(rtwdev, m); 935 break; 936 default: 937 for (i = 1; i < RTW_DM_CAP_NUM; i++) { 938 seq_printf(m, "(%2d) %c%s\n", i, 939 dm_info->dm_flags & BIT(i) ? '-' : '+', 940 rtw_dm_cap_strs[i]); 941 } 942 break; 943 } 944 debugfs_priv->dm_cap.bit = RTW_DM_CAP_NA; 945 return 0; 946 } 947 948 #define rtw_debug_impl_mac(page, addr) \ 949 static struct rtw_debugfs_priv rtw_debug_priv_mac_ ##page = { \ 950 .cb_read = rtw_debug_get_mac_page, \ 951 .cb_data = addr, \ 952 } 953 954 rtw_debug_impl_mac(0, 0x0000); 955 rtw_debug_impl_mac(1, 0x0100); 956 rtw_debug_impl_mac(2, 0x0200); 957 rtw_debug_impl_mac(3, 0x0300); 958 rtw_debug_impl_mac(4, 0x0400); 959 rtw_debug_impl_mac(5, 0x0500); 960 rtw_debug_impl_mac(6, 0x0600); 961 rtw_debug_impl_mac(7, 0x0700); 962 rtw_debug_impl_mac(10, 0x1000); 963 rtw_debug_impl_mac(11, 0x1100); 964 rtw_debug_impl_mac(12, 0x1200); 965 rtw_debug_impl_mac(13, 0x1300); 966 rtw_debug_impl_mac(14, 0x1400); 967 rtw_debug_impl_mac(15, 0x1500); 968 rtw_debug_impl_mac(16, 0x1600); 969 rtw_debug_impl_mac(17, 0x1700); 970 971 #define rtw_debug_impl_bb(page, addr) \ 972 static struct rtw_debugfs_priv rtw_debug_priv_bb_ ##page = { \ 973 .cb_read = rtw_debug_get_bb_page, \ 974 .cb_data = addr, \ 975 } 976 977 rtw_debug_impl_bb(8, 0x0800); 978 rtw_debug_impl_bb(9, 0x0900); 979 rtw_debug_impl_bb(a, 0x0a00); 980 rtw_debug_impl_bb(b, 0x0b00); 981 rtw_debug_impl_bb(c, 0x0c00); 982 rtw_debug_impl_bb(d, 0x0d00); 983 rtw_debug_impl_bb(e, 0x0e00); 984 rtw_debug_impl_bb(f, 0x0f00); 985 rtw_debug_impl_bb(18, 0x1800); 986 rtw_debug_impl_bb(19, 0x1900); 987 rtw_debug_impl_bb(1a, 0x1a00); 988 rtw_debug_impl_bb(1b, 0x1b00); 989 rtw_debug_impl_bb(1c, 0x1c00); 990 rtw_debug_impl_bb(1d, 0x1d00); 991 rtw_debug_impl_bb(1e, 0x1e00); 992 rtw_debug_impl_bb(1f, 0x1f00); 993 rtw_debug_impl_bb(2c, 0x2c00); 994 rtw_debug_impl_bb(2d, 0x2d00); 995 rtw_debug_impl_bb(40, 0x4000); 996 rtw_debug_impl_bb(41, 0x4100); 997 998 static struct rtw_debugfs_priv rtw_debug_priv_rf_dump = { 999 .cb_read = rtw_debug_get_rf_dump, 1000 }; 1001 1002 static struct rtw_debugfs_priv rtw_debug_priv_tx_pwr_tbl = { 1003 .cb_read = rtw_debugfs_get_tx_pwr_tbl, 1004 }; 1005 1006 static struct rtw_debugfs_priv rtw_debug_priv_write_reg = { 1007 .cb_write = rtw_debugfs_set_write_reg, 1008 }; 1009 1010 static struct rtw_debugfs_priv rtw_debug_priv_h2c = { 1011 .cb_write = rtw_debugfs_set_h2c, 1012 }; 1013 1014 static struct rtw_debugfs_priv rtw_debug_priv_rf_write = { 1015 .cb_write = rtw_debugfs_set_rf_write, 1016 }; 1017 1018 static struct rtw_debugfs_priv rtw_debug_priv_rf_read = { 1019 .cb_write = rtw_debugfs_set_rf_read, 1020 .cb_read = rtw_debugfs_get_rf_read, 1021 }; 1022 1023 static struct rtw_debugfs_priv rtw_debug_priv_read_reg = { 1024 .cb_write = rtw_debugfs_set_read_reg, 1025 .cb_read = rtw_debugfs_get_read_reg, 1026 }; 1027 1028 static struct rtw_debugfs_priv rtw_debug_priv_dump_cam = { 1029 .cb_write = rtw_debugfs_set_single_input, 1030 .cb_read = rtw_debugfs_get_dump_cam, 1031 }; 1032 1033 static struct rtw_debugfs_priv rtw_debug_priv_rsvd_page = { 1034 .cb_write = rtw_debugfs_set_rsvd_page, 1035 .cb_read = rtw_debugfs_get_rsvd_page, 1036 }; 1037 1038 static struct rtw_debugfs_priv rtw_debug_priv_phy_info = { 1039 .cb_read = rtw_debugfs_get_phy_info, 1040 }; 1041 1042 static struct rtw_debugfs_priv rtw_debug_priv_coex_enable = { 1043 .cb_write = rtw_debugfs_set_coex_enable, 1044 .cb_read = rtw_debugfs_get_coex_enable, 1045 }; 1046 1047 static struct rtw_debugfs_priv rtw_debug_priv_coex_info = { 1048 .cb_read = rtw_debugfs_get_coex_info, 1049 }; 1050 1051 static struct rtw_debugfs_priv rtw_debug_priv_fw_crash = { 1052 .cb_write = rtw_debugfs_set_fw_crash, 1053 .cb_read = rtw_debugfs_get_fw_crash, 1054 }; 1055 1056 static struct rtw_debugfs_priv rtw_debug_priv_dm_cap = { 1057 .cb_write = rtw_debugfs_set_dm_cap, 1058 .cb_read = rtw_debugfs_get_dm_cap, 1059 }; 1060 1061 #define rtw_debugfs_add_core(name, mode, fopname, parent) \ 1062 do { \ 1063 rtw_debug_priv_ ##name.rtwdev = rtwdev; \ 1064 if (!debugfs_create_file(#name, mode, \ 1065 parent, &rtw_debug_priv_ ##name,\ 1066 &file_ops_ ##fopname)) \ 1067 pr_debug("Unable to initialize debugfs:%s\n", \ 1068 #name); \ 1069 } while (0) 1070 1071 #define rtw_debugfs_add_w(name) \ 1072 rtw_debugfs_add_core(name, S_IFREG | 0222, common_write, debugfs_topdir) 1073 #define rtw_debugfs_add_rw(name) \ 1074 rtw_debugfs_add_core(name, S_IFREG | 0666, single_rw, debugfs_topdir) 1075 #define rtw_debugfs_add_r(name) \ 1076 rtw_debugfs_add_core(name, S_IFREG | 0444, single_r, debugfs_topdir) 1077 1078 void rtw_debugfs_init(struct rtw_dev *rtwdev) 1079 { 1080 struct dentry *debugfs_topdir; 1081 1082 debugfs_topdir = debugfs_create_dir("rtw88", 1083 rtwdev->hw->wiphy->debugfsdir); 1084 rtw_debugfs_add_w(write_reg); 1085 rtw_debugfs_add_rw(read_reg); 1086 rtw_debugfs_add_w(rf_write); 1087 rtw_debugfs_add_rw(rf_read); 1088 rtw_debugfs_add_rw(dump_cam); 1089 rtw_debugfs_add_rw(rsvd_page); 1090 rtw_debugfs_add_r(phy_info); 1091 rtw_debugfs_add_r(coex_info); 1092 rtw_debugfs_add_rw(coex_enable); 1093 rtw_debugfs_add_w(h2c); 1094 rtw_debugfs_add_r(mac_0); 1095 rtw_debugfs_add_r(mac_1); 1096 rtw_debugfs_add_r(mac_2); 1097 rtw_debugfs_add_r(mac_3); 1098 rtw_debugfs_add_r(mac_4); 1099 rtw_debugfs_add_r(mac_5); 1100 rtw_debugfs_add_r(mac_6); 1101 rtw_debugfs_add_r(mac_7); 1102 rtw_debugfs_add_r(bb_8); 1103 rtw_debugfs_add_r(bb_9); 1104 rtw_debugfs_add_r(bb_a); 1105 rtw_debugfs_add_r(bb_b); 1106 rtw_debugfs_add_r(bb_c); 1107 rtw_debugfs_add_r(bb_d); 1108 rtw_debugfs_add_r(bb_e); 1109 rtw_debugfs_add_r(bb_f); 1110 rtw_debugfs_add_r(mac_10); 1111 rtw_debugfs_add_r(mac_11); 1112 rtw_debugfs_add_r(mac_12); 1113 rtw_debugfs_add_r(mac_13); 1114 rtw_debugfs_add_r(mac_14); 1115 rtw_debugfs_add_r(mac_15); 1116 rtw_debugfs_add_r(mac_16); 1117 rtw_debugfs_add_r(mac_17); 1118 rtw_debugfs_add_r(bb_18); 1119 rtw_debugfs_add_r(bb_19); 1120 rtw_debugfs_add_r(bb_1a); 1121 rtw_debugfs_add_r(bb_1b); 1122 rtw_debugfs_add_r(bb_1c); 1123 rtw_debugfs_add_r(bb_1d); 1124 rtw_debugfs_add_r(bb_1e); 1125 rtw_debugfs_add_r(bb_1f); 1126 if (rtwdev->chip->id == RTW_CHIP_TYPE_8822C) { 1127 rtw_debugfs_add_r(bb_2c); 1128 rtw_debugfs_add_r(bb_2d); 1129 rtw_debugfs_add_r(bb_40); 1130 rtw_debugfs_add_r(bb_41); 1131 } 1132 rtw_debugfs_add_r(rf_dump); 1133 rtw_debugfs_add_r(tx_pwr_tbl); 1134 rtw_debugfs_add_rw(fw_crash); 1135 rtw_debugfs_add_rw(dm_cap); 1136 } 1137 1138 #endif /* CONFIG_RTW88_DEBUGFS */ 1139 1140 #ifdef CONFIG_RTW88_DEBUG 1141 1142 void __rtw_dbg(struct rtw_dev *rtwdev, enum rtw_debug_mask mask, 1143 const char *fmt, ...) 1144 { 1145 struct va_format vaf = { 1146 .fmt = fmt, 1147 }; 1148 va_list args; 1149 1150 va_start(args, fmt); 1151 vaf.va = &args; 1152 1153 if (rtw_debug_mask & mask) 1154 dev_printk(KERN_DEBUG, rtwdev->dev, "%pV", &vaf); 1155 1156 va_end(args); 1157 } 1158 EXPORT_SYMBOL(__rtw_dbg); 1159 1160 #endif /* CONFIG_RTW88_DEBUG */ 1161