1 // SPDX-License-Identifier: BSD-3-Clause-Clear 2 /* 3 * Copyright (c) 2018-2019 The Linux Foundation. All rights reserved. 4 */ 5 6 #include <linux/module.h> 7 #include <linux/slab.h> 8 #include <linux/remoteproc.h> 9 #include <linux/firmware.h> 10 #include "core.h" 11 #include "dp_tx.h" 12 #include "dp_rx.h" 13 #include "debug.h" 14 #include "hif.h" 15 16 unsigned int ath11k_debug_mask; 17 EXPORT_SYMBOL(ath11k_debug_mask); 18 module_param_named(debug_mask, ath11k_debug_mask, uint, 0644); 19 MODULE_PARM_DESC(debug_mask, "Debugging mask"); 20 21 static unsigned int ath11k_crypto_mode; 22 module_param_named(crypto_mode, ath11k_crypto_mode, uint, 0644); 23 MODULE_PARM_DESC(crypto_mode, "crypto mode: 0-hardware, 1-software"); 24 25 /* frame mode values are mapped as per enum ath11k_hw_txrx_mode */ 26 unsigned int ath11k_frame_mode = ATH11K_HW_TXRX_NATIVE_WIFI; 27 module_param_named(frame_mode, ath11k_frame_mode, uint, 0644); 28 MODULE_PARM_DESC(frame_mode, 29 "Datapath frame mode (0: raw, 1: native wifi (default), 2: ethernet)"); 30 31 static const struct ath11k_hw_params ath11k_hw_params[] = { 32 { 33 .hw_rev = ATH11K_HW_IPQ8074, 34 .name = "ipq8074 hw2.0", 35 .fw = { 36 .dir = "IPQ8074/hw2.0", 37 .board_size = 256 * 1024, 38 .cal_size = 256 * 1024, 39 }, 40 .max_radios = 3, 41 .bdf_addr = 0x4B0C0000, 42 .hw_ops = &ipq8074_ops, 43 .ring_mask = &ath11k_hw_ring_mask_ipq8074, 44 .internal_sleep_clock = false, 45 .regs = &ipq8074_regs, 46 .host_ce_config = ath11k_host_ce_config_ipq8074, 47 .ce_count = 12, 48 .target_ce_config = ath11k_target_ce_config_wlan_ipq8074, 49 .target_ce_count = 11, 50 .svc_to_ce_map = ath11k_target_service_to_ce_map_wlan_ipq8074, 51 .svc_to_ce_map_len = 21, 52 .single_pdev_only = false, 53 .needs_band_to_mac = true, 54 .rxdma1_enable = true, 55 .num_rxmda_per_pdev = 1, 56 .rx_mac_buf_ring = false, 57 .vdev_start_delay = false, 58 .htt_peer_map_v2 = true, 59 .tcl_0_only = false, 60 .spectral_fft_sz = 2, 61 }, 62 { 63 .hw_rev = ATH11K_HW_IPQ6018_HW10, 64 .name = "ipq6018 hw1.0", 65 .fw = { 66 .dir = "IPQ6018/hw1.0", 67 .board_size = 256 * 1024, 68 .cal_size = 256 * 1024, 69 }, 70 .max_radios = 2, 71 .bdf_addr = 0x4ABC0000, 72 .hw_ops = &ipq6018_ops, 73 .ring_mask = &ath11k_hw_ring_mask_ipq8074, 74 .internal_sleep_clock = false, 75 .regs = &ipq8074_regs, 76 .host_ce_config = ath11k_host_ce_config_ipq8074, 77 .ce_count = 12, 78 .target_ce_config = ath11k_target_ce_config_wlan_ipq8074, 79 .target_ce_count = 11, 80 .svc_to_ce_map = ath11k_target_service_to_ce_map_wlan_ipq6018, 81 .svc_to_ce_map_len = 19, 82 .single_pdev_only = false, 83 .needs_band_to_mac = true, 84 .rxdma1_enable = true, 85 .num_rxmda_per_pdev = 1, 86 .rx_mac_buf_ring = false, 87 .vdev_start_delay = false, 88 .htt_peer_map_v2 = true, 89 .tcl_0_only = false, 90 .spectral_fft_sz = 4, 91 }, 92 { 93 .name = "qca6390 hw2.0", 94 .hw_rev = ATH11K_HW_QCA6390_HW20, 95 .fw = { 96 .dir = "QCA6390/hw2.0", 97 .board_size = 256 * 1024, 98 .cal_size = 256 * 1024, 99 }, 100 .max_radios = 3, 101 .bdf_addr = 0x4B0C0000, 102 .hw_ops = &qca6390_ops, 103 .ring_mask = &ath11k_hw_ring_mask_qca6390, 104 .internal_sleep_clock = true, 105 .regs = &qca6390_regs, 106 .host_ce_config = ath11k_host_ce_config_qca6390, 107 .ce_count = 9, 108 .target_ce_config = ath11k_target_ce_config_wlan_qca6390, 109 .target_ce_count = 9, 110 .svc_to_ce_map = ath11k_target_service_to_ce_map_wlan_qca6390, 111 .svc_to_ce_map_len = 14, 112 .single_pdev_only = true, 113 .needs_band_to_mac = false, 114 .rxdma1_enable = false, 115 .num_rxmda_per_pdev = 2, 116 .rx_mac_buf_ring = true, 117 .vdev_start_delay = true, 118 .htt_peer_map_v2 = false, 119 .tcl_0_only = true, 120 .spectral_fft_sz = 0, 121 }, 122 }; 123 124 static int ath11k_core_create_board_name(struct ath11k_base *ab, char *name, 125 size_t name_len) 126 { 127 scnprintf(name, name_len, 128 "bus=%s,qmi-chip-id=%d,qmi-board-id=%d", 129 ath11k_bus_str(ab->hif.bus), 130 ab->qmi.target.chip_id, 131 ab->qmi.target.board_id); 132 133 ath11k_dbg(ab, ATH11K_DBG_BOOT, "boot using board name '%s'\n", name); 134 135 return 0; 136 } 137 138 const struct firmware *ath11k_core_firmware_request(struct ath11k_base *ab, 139 const char *file) 140 { 141 const struct firmware *fw; 142 char path[100]; 143 int ret; 144 145 if (file == NULL) 146 return ERR_PTR(-ENOENT); 147 148 ath11k_core_create_firmware_path(ab, file, path, sizeof(path)); 149 150 ret = firmware_request_nowarn(&fw, path, ab->dev); 151 if (ret) 152 return ERR_PTR(ret); 153 154 ath11k_dbg(ab, ATH11K_DBG_BOOT, "boot firmware request %s size %zu\n", 155 path, fw->size); 156 157 return fw; 158 } 159 160 void ath11k_core_free_bdf(struct ath11k_base *ab, struct ath11k_board_data *bd) 161 { 162 if (!IS_ERR(bd->fw)) 163 release_firmware(bd->fw); 164 165 memset(bd, 0, sizeof(*bd)); 166 } 167 168 static int ath11k_core_parse_bd_ie_board(struct ath11k_base *ab, 169 struct ath11k_board_data *bd, 170 const void *buf, size_t buf_len, 171 const char *boardname, 172 int bd_ie_type) 173 { 174 const struct ath11k_fw_ie *hdr; 175 bool name_match_found; 176 int ret, board_ie_id; 177 size_t board_ie_len; 178 const void *board_ie_data; 179 180 name_match_found = false; 181 182 /* go through ATH11K_BD_IE_BOARD_ elements */ 183 while (buf_len > sizeof(struct ath11k_fw_ie)) { 184 hdr = buf; 185 board_ie_id = le32_to_cpu(hdr->id); 186 board_ie_len = le32_to_cpu(hdr->len); 187 board_ie_data = hdr->data; 188 189 buf_len -= sizeof(*hdr); 190 buf += sizeof(*hdr); 191 192 if (buf_len < ALIGN(board_ie_len, 4)) { 193 ath11k_err(ab, "invalid ATH11K_BD_IE_BOARD length: %zu < %zu\n", 194 buf_len, ALIGN(board_ie_len, 4)); 195 ret = -EINVAL; 196 goto out; 197 } 198 199 switch (board_ie_id) { 200 case ATH11K_BD_IE_BOARD_NAME: 201 ath11k_dbg_dump(ab, ATH11K_DBG_BOOT, "board name", "", 202 board_ie_data, board_ie_len); 203 204 if (board_ie_len != strlen(boardname)) 205 break; 206 207 ret = memcmp(board_ie_data, boardname, strlen(boardname)); 208 if (ret) 209 break; 210 211 name_match_found = true; 212 ath11k_dbg(ab, ATH11K_DBG_BOOT, 213 "boot found match for name '%s'", 214 boardname); 215 break; 216 case ATH11K_BD_IE_BOARD_DATA: 217 if (!name_match_found) 218 /* no match found */ 219 break; 220 221 ath11k_dbg(ab, ATH11K_DBG_BOOT, 222 "boot found board data for '%s'", boardname); 223 224 bd->data = board_ie_data; 225 bd->len = board_ie_len; 226 227 ret = 0; 228 goto out; 229 default: 230 ath11k_warn(ab, "unknown ATH11K_BD_IE_BOARD found: %d\n", 231 board_ie_id); 232 break; 233 } 234 235 /* jump over the padding */ 236 board_ie_len = ALIGN(board_ie_len, 4); 237 238 buf_len -= board_ie_len; 239 buf += board_ie_len; 240 } 241 242 /* no match found */ 243 ret = -ENOENT; 244 245 out: 246 return ret; 247 } 248 249 static int ath11k_core_fetch_board_data_api_n(struct ath11k_base *ab, 250 struct ath11k_board_data *bd, 251 const char *boardname) 252 { 253 size_t len, magic_len; 254 const u8 *data; 255 char *filename, filepath[100]; 256 size_t ie_len; 257 struct ath11k_fw_ie *hdr; 258 int ret, ie_id; 259 260 filename = ATH11K_BOARD_API2_FILE; 261 262 if (!bd->fw) 263 bd->fw = ath11k_core_firmware_request(ab, filename); 264 265 if (IS_ERR(bd->fw)) 266 return PTR_ERR(bd->fw); 267 268 data = bd->fw->data; 269 len = bd->fw->size; 270 271 ath11k_core_create_firmware_path(ab, filename, 272 filepath, sizeof(filepath)); 273 274 /* magic has extra null byte padded */ 275 magic_len = strlen(ATH11K_BOARD_MAGIC) + 1; 276 if (len < magic_len) { 277 ath11k_err(ab, "failed to find magic value in %s, file too short: %zu\n", 278 filepath, len); 279 ret = -EINVAL; 280 goto err; 281 } 282 283 if (memcmp(data, ATH11K_BOARD_MAGIC, magic_len)) { 284 ath11k_err(ab, "found invalid board magic\n"); 285 ret = -EINVAL; 286 goto err; 287 } 288 289 /* magic is padded to 4 bytes */ 290 magic_len = ALIGN(magic_len, 4); 291 if (len < magic_len) { 292 ath11k_err(ab, "failed: %s too small to contain board data, len: %zu\n", 293 filepath, len); 294 ret = -EINVAL; 295 goto err; 296 } 297 298 data += magic_len; 299 len -= magic_len; 300 301 while (len > sizeof(struct ath11k_fw_ie)) { 302 hdr = (struct ath11k_fw_ie *)data; 303 ie_id = le32_to_cpu(hdr->id); 304 ie_len = le32_to_cpu(hdr->len); 305 306 len -= sizeof(*hdr); 307 data = hdr->data; 308 309 if (len < ALIGN(ie_len, 4)) { 310 ath11k_err(ab, "invalid length for board ie_id %d ie_len %zu len %zu\n", 311 ie_id, ie_len, len); 312 return -EINVAL; 313 } 314 315 switch (ie_id) { 316 case ATH11K_BD_IE_BOARD: 317 ret = ath11k_core_parse_bd_ie_board(ab, bd, data, 318 ie_len, 319 boardname, 320 ATH11K_BD_IE_BOARD); 321 if (ret == -ENOENT) 322 /* no match found, continue */ 323 break; 324 else if (ret) 325 /* there was an error, bail out */ 326 goto err; 327 /* either found or error, so stop searching */ 328 goto out; 329 } 330 331 /* jump over the padding */ 332 ie_len = ALIGN(ie_len, 4); 333 334 len -= ie_len; 335 data += ie_len; 336 } 337 338 out: 339 if (!bd->data || !bd->len) { 340 ath11k_err(ab, 341 "failed to fetch board data for %s from %s\n", 342 boardname, filepath); 343 ret = -ENODATA; 344 goto err; 345 } 346 347 return 0; 348 349 err: 350 ath11k_core_free_bdf(ab, bd); 351 return ret; 352 } 353 354 static int ath11k_core_fetch_board_data_api_1(struct ath11k_base *ab, 355 struct ath11k_board_data *bd) 356 { 357 bd->fw = ath11k_core_firmware_request(ab, ATH11K_DEFAULT_BOARD_FILE); 358 if (IS_ERR(bd->fw)) 359 return PTR_ERR(bd->fw); 360 361 bd->data = bd->fw->data; 362 bd->len = bd->fw->size; 363 364 return 0; 365 } 366 367 #define BOARD_NAME_SIZE 100 368 int ath11k_core_fetch_bdf(struct ath11k_base *ab, struct ath11k_board_data *bd) 369 { 370 char boardname[BOARD_NAME_SIZE]; 371 int ret; 372 373 ret = ath11k_core_create_board_name(ab, boardname, BOARD_NAME_SIZE); 374 if (ret) { 375 ath11k_err(ab, "failed to create board name: %d", ret); 376 return ret; 377 } 378 379 ab->bd_api = 2; 380 ret = ath11k_core_fetch_board_data_api_n(ab, bd, boardname); 381 if (!ret) 382 goto success; 383 384 ab->bd_api = 1; 385 ret = ath11k_core_fetch_board_data_api_1(ab, bd); 386 if (ret) { 387 ath11k_err(ab, "failed to fetch board-2.bin or board.bin from %s\n", 388 ab->hw_params.fw.dir); 389 return ret; 390 } 391 392 success: 393 ath11k_dbg(ab, ATH11K_DBG_BOOT, "using board api %d\n", ab->bd_api); 394 return 0; 395 } 396 397 static void ath11k_core_stop(struct ath11k_base *ab) 398 { 399 if (!test_bit(ATH11K_FLAG_CRASH_FLUSH, &ab->dev_flags)) 400 ath11k_qmi_firmware_stop(ab); 401 ath11k_hif_stop(ab); 402 ath11k_wmi_detach(ab); 403 ath11k_dp_pdev_reo_cleanup(ab); 404 405 /* De-Init of components as needed */ 406 } 407 408 static int ath11k_core_soc_create(struct ath11k_base *ab) 409 { 410 int ret; 411 412 ret = ath11k_qmi_init_service(ab); 413 if (ret) { 414 ath11k_err(ab, "failed to initialize qmi :%d\n", ret); 415 return ret; 416 } 417 418 ret = ath11k_debugfs_soc_create(ab); 419 if (ret) { 420 ath11k_err(ab, "failed to create ath11k debugfs\n"); 421 goto err_qmi_deinit; 422 } 423 424 ret = ath11k_hif_power_up(ab); 425 if (ret) { 426 ath11k_err(ab, "failed to power up :%d\n", ret); 427 goto err_debugfs_reg; 428 } 429 430 return 0; 431 432 err_debugfs_reg: 433 ath11k_debugfs_soc_destroy(ab); 434 err_qmi_deinit: 435 ath11k_qmi_deinit_service(ab); 436 return ret; 437 } 438 439 static void ath11k_core_soc_destroy(struct ath11k_base *ab) 440 { 441 ath11k_debugfs_soc_destroy(ab); 442 ath11k_dp_free(ab); 443 ath11k_reg_free(ab); 444 ath11k_qmi_deinit_service(ab); 445 } 446 447 static int ath11k_core_pdev_create(struct ath11k_base *ab) 448 { 449 int ret; 450 451 ret = ath11k_debugfs_pdev_create(ab); 452 if (ret) { 453 ath11k_err(ab, "failed to create core pdev debugfs: %d\n", ret); 454 return ret; 455 } 456 457 ret = ath11k_mac_register(ab); 458 if (ret) { 459 ath11k_err(ab, "failed register the radio with mac80211: %d\n", ret); 460 goto err_pdev_debug; 461 } 462 463 ret = ath11k_dp_pdev_alloc(ab); 464 if (ret) { 465 ath11k_err(ab, "failed to attach DP pdev: %d\n", ret); 466 goto err_mac_unregister; 467 } 468 469 ret = ath11k_thermal_register(ab); 470 if (ret) { 471 ath11k_err(ab, "could not register thermal device: %d\n", 472 ret); 473 goto err_dp_pdev_free; 474 } 475 476 ret = ath11k_spectral_init(ab); 477 if (ret) { 478 ath11k_err(ab, "failed to init spectral %d\n", ret); 479 goto err_thermal_unregister; 480 } 481 482 return 0; 483 484 err_thermal_unregister: 485 ath11k_thermal_unregister(ab); 486 err_dp_pdev_free: 487 ath11k_dp_pdev_free(ab); 488 err_mac_unregister: 489 ath11k_mac_unregister(ab); 490 err_pdev_debug: 491 ath11k_debugfs_pdev_destroy(ab); 492 493 return ret; 494 } 495 496 static void ath11k_core_pdev_destroy(struct ath11k_base *ab) 497 { 498 ath11k_spectral_deinit(ab); 499 ath11k_thermal_unregister(ab); 500 ath11k_mac_unregister(ab); 501 ath11k_hif_irq_disable(ab); 502 ath11k_dp_pdev_free(ab); 503 ath11k_debugfs_pdev_destroy(ab); 504 } 505 506 static int ath11k_core_start(struct ath11k_base *ab, 507 enum ath11k_firmware_mode mode) 508 { 509 int ret; 510 511 ret = ath11k_qmi_firmware_start(ab, mode); 512 if (ret) { 513 ath11k_err(ab, "failed to attach wmi: %d\n", ret); 514 return ret; 515 } 516 517 ret = ath11k_wmi_attach(ab); 518 if (ret) { 519 ath11k_err(ab, "failed to attach wmi: %d\n", ret); 520 goto err_firmware_stop; 521 } 522 523 ret = ath11k_htc_init(ab); 524 if (ret) { 525 ath11k_err(ab, "failed to init htc: %d\n", ret); 526 goto err_wmi_detach; 527 } 528 529 ret = ath11k_hif_start(ab); 530 if (ret) { 531 ath11k_err(ab, "failed to start HIF: %d\n", ret); 532 goto err_wmi_detach; 533 } 534 535 ret = ath11k_htc_wait_target(&ab->htc); 536 if (ret) { 537 ath11k_err(ab, "failed to connect to HTC: %d\n", ret); 538 goto err_hif_stop; 539 } 540 541 ret = ath11k_dp_htt_connect(&ab->dp); 542 if (ret) { 543 ath11k_err(ab, "failed to connect to HTT: %d\n", ret); 544 goto err_hif_stop; 545 } 546 547 ret = ath11k_wmi_connect(ab); 548 if (ret) { 549 ath11k_err(ab, "failed to connect wmi: %d\n", ret); 550 goto err_hif_stop; 551 } 552 553 ret = ath11k_htc_start(&ab->htc); 554 if (ret) { 555 ath11k_err(ab, "failed to start HTC: %d\n", ret); 556 goto err_hif_stop; 557 } 558 559 ret = ath11k_wmi_wait_for_service_ready(ab); 560 if (ret) { 561 ath11k_err(ab, "failed to receive wmi service ready event: %d\n", 562 ret); 563 goto err_hif_stop; 564 } 565 566 ret = ath11k_mac_allocate(ab); 567 if (ret) { 568 ath11k_err(ab, "failed to create new hw device with mac80211 :%d\n", 569 ret); 570 goto err_hif_stop; 571 } 572 573 ath11k_dp_pdev_pre_alloc(ab); 574 575 ret = ath11k_dp_pdev_reo_setup(ab); 576 if (ret) { 577 ath11k_err(ab, "failed to initialize reo destination rings: %d\n", ret); 578 goto err_mac_destroy; 579 } 580 581 ret = ath11k_wmi_cmd_init(ab); 582 if (ret) { 583 ath11k_err(ab, "failed to send wmi init cmd: %d\n", ret); 584 goto err_reo_cleanup; 585 } 586 587 ret = ath11k_wmi_wait_for_unified_ready(ab); 588 if (ret) { 589 ath11k_err(ab, "failed to receive wmi unified ready event: %d\n", 590 ret); 591 goto err_reo_cleanup; 592 } 593 594 ret = ath11k_dp_tx_htt_h2t_ver_req_msg(ab); 595 if (ret) { 596 ath11k_err(ab, "failed to send htt version request message: %d\n", 597 ret); 598 goto err_reo_cleanup; 599 } 600 601 return 0; 602 603 err_reo_cleanup: 604 ath11k_dp_pdev_reo_cleanup(ab); 605 err_mac_destroy: 606 ath11k_mac_destroy(ab); 607 err_hif_stop: 608 ath11k_hif_stop(ab); 609 err_wmi_detach: 610 ath11k_wmi_detach(ab); 611 err_firmware_stop: 612 ath11k_qmi_firmware_stop(ab); 613 614 return ret; 615 } 616 617 int ath11k_core_qmi_firmware_ready(struct ath11k_base *ab) 618 { 619 int ret; 620 621 ret = ath11k_ce_init_pipes(ab); 622 if (ret) { 623 ath11k_err(ab, "failed to initialize CE: %d\n", ret); 624 return ret; 625 } 626 627 ret = ath11k_dp_alloc(ab); 628 if (ret) { 629 ath11k_err(ab, "failed to init DP: %d\n", ret); 630 return ret; 631 } 632 633 switch (ath11k_crypto_mode) { 634 case ATH11K_CRYPT_MODE_SW: 635 set_bit(ATH11K_FLAG_HW_CRYPTO_DISABLED, &ab->dev_flags); 636 set_bit(ATH11K_FLAG_RAW_MODE, &ab->dev_flags); 637 break; 638 case ATH11K_CRYPT_MODE_HW: 639 clear_bit(ATH11K_FLAG_HW_CRYPTO_DISABLED, &ab->dev_flags); 640 clear_bit(ATH11K_FLAG_RAW_MODE, &ab->dev_flags); 641 break; 642 default: 643 ath11k_info(ab, "invalid crypto_mode: %d\n", ath11k_crypto_mode); 644 return -EINVAL; 645 } 646 647 if (ath11k_frame_mode == ATH11K_HW_TXRX_RAW) 648 set_bit(ATH11K_FLAG_RAW_MODE, &ab->dev_flags); 649 650 mutex_lock(&ab->core_lock); 651 ret = ath11k_core_start(ab, ATH11K_FIRMWARE_MODE_NORMAL); 652 if (ret) { 653 ath11k_err(ab, "failed to start core: %d\n", ret); 654 goto err_dp_free; 655 } 656 657 ret = ath11k_core_pdev_create(ab); 658 if (ret) { 659 ath11k_err(ab, "failed to create pdev core: %d\n", ret); 660 goto err_core_stop; 661 } 662 ath11k_hif_irq_enable(ab); 663 mutex_unlock(&ab->core_lock); 664 665 return 0; 666 667 err_core_stop: 668 ath11k_core_stop(ab); 669 ath11k_mac_destroy(ab); 670 err_dp_free: 671 ath11k_dp_free(ab); 672 mutex_unlock(&ab->core_lock); 673 return ret; 674 } 675 676 static int ath11k_core_reconfigure_on_crash(struct ath11k_base *ab) 677 { 678 int ret; 679 680 mutex_lock(&ab->core_lock); 681 ath11k_thermal_unregister(ab); 682 ath11k_hif_irq_disable(ab); 683 ath11k_dp_pdev_free(ab); 684 ath11k_spectral_deinit(ab); 685 ath11k_hif_stop(ab); 686 ath11k_wmi_detach(ab); 687 ath11k_dp_pdev_reo_cleanup(ab); 688 mutex_unlock(&ab->core_lock); 689 690 ath11k_dp_free(ab); 691 ath11k_hal_srng_deinit(ab); 692 693 ab->free_vdev_map = (1LL << (ab->num_radios * TARGET_NUM_VDEVS)) - 1; 694 695 ret = ath11k_hal_srng_init(ab); 696 if (ret) 697 return ret; 698 699 clear_bit(ATH11K_FLAG_CRASH_FLUSH, &ab->dev_flags); 700 701 ret = ath11k_core_qmi_firmware_ready(ab); 702 if (ret) 703 goto err_hal_srng_deinit; 704 705 clear_bit(ATH11K_FLAG_RECOVERY, &ab->dev_flags); 706 707 return 0; 708 709 err_hal_srng_deinit: 710 ath11k_hal_srng_deinit(ab); 711 return ret; 712 } 713 714 void ath11k_core_halt(struct ath11k *ar) 715 { 716 struct ath11k_base *ab = ar->ab; 717 718 lockdep_assert_held(&ar->conf_mutex); 719 720 ar->num_created_vdevs = 0; 721 ar->allocated_vdev_map = 0; 722 723 ath11k_mac_scan_finish(ar); 724 ath11k_mac_peer_cleanup_all(ar); 725 cancel_delayed_work_sync(&ar->scan.timeout); 726 cancel_work_sync(&ar->regd_update_work); 727 728 rcu_assign_pointer(ab->pdevs_active[ar->pdev_idx], NULL); 729 synchronize_rcu(); 730 INIT_LIST_HEAD(&ar->arvifs); 731 idr_init(&ar->txmgmt_idr); 732 } 733 734 static void ath11k_core_restart(struct work_struct *work) 735 { 736 struct ath11k_base *ab = container_of(work, struct ath11k_base, restart_work); 737 struct ath11k *ar; 738 struct ath11k_pdev *pdev; 739 int i, ret = 0; 740 741 spin_lock_bh(&ab->base_lock); 742 ab->stats.fw_crash_counter++; 743 spin_unlock_bh(&ab->base_lock); 744 745 for (i = 0; i < ab->num_radios; i++) { 746 pdev = &ab->pdevs[i]; 747 ar = pdev->ar; 748 if (!ar || ar->state == ATH11K_STATE_OFF) 749 continue; 750 751 ieee80211_stop_queues(ar->hw); 752 ath11k_mac_drain_tx(ar); 753 complete(&ar->scan.started); 754 complete(&ar->scan.completed); 755 complete(&ar->peer_assoc_done); 756 complete(&ar->install_key_done); 757 complete(&ar->vdev_setup_done); 758 complete(&ar->bss_survey_done); 759 complete(&ar->thermal.wmi_sync); 760 761 wake_up(&ar->dp.tx_empty_waitq); 762 idr_for_each(&ar->txmgmt_idr, 763 ath11k_mac_tx_mgmt_pending_free, ar); 764 idr_destroy(&ar->txmgmt_idr); 765 } 766 767 wake_up(&ab->wmi_ab.tx_credits_wq); 768 wake_up(&ab->peer_mapping_wq); 769 770 ret = ath11k_core_reconfigure_on_crash(ab); 771 if (ret) { 772 ath11k_err(ab, "failed to reconfigure driver on crash recovery\n"); 773 return; 774 } 775 776 for (i = 0; i < ab->num_radios; i++) { 777 pdev = &ab->pdevs[i]; 778 ar = pdev->ar; 779 if (!ar || ar->state == ATH11K_STATE_OFF) 780 continue; 781 782 mutex_lock(&ar->conf_mutex); 783 784 switch (ar->state) { 785 case ATH11K_STATE_ON: 786 ar->state = ATH11K_STATE_RESTARTING; 787 ath11k_core_halt(ar); 788 ieee80211_restart_hw(ar->hw); 789 break; 790 case ATH11K_STATE_OFF: 791 ath11k_warn(ab, 792 "cannot restart radio %d that hasn't been started\n", 793 i); 794 break; 795 case ATH11K_STATE_RESTARTING: 796 break; 797 case ATH11K_STATE_RESTARTED: 798 ar->state = ATH11K_STATE_WEDGED; 799 fallthrough; 800 case ATH11K_STATE_WEDGED: 801 ath11k_warn(ab, 802 "device is wedged, will not restart radio %d\n", i); 803 break; 804 } 805 mutex_unlock(&ar->conf_mutex); 806 } 807 complete(&ab->driver_recovery); 808 } 809 810 static int ath11k_init_hw_params(struct ath11k_base *ab) 811 { 812 const struct ath11k_hw_params *hw_params = NULL; 813 int i; 814 815 for (i = 0; i < ARRAY_SIZE(ath11k_hw_params); i++) { 816 hw_params = &ath11k_hw_params[i]; 817 818 if (hw_params->hw_rev == ab->hw_rev) 819 break; 820 } 821 822 if (i == ARRAY_SIZE(ath11k_hw_params)) { 823 ath11k_err(ab, "Unsupported hardware version: 0x%x\n", ab->hw_rev); 824 return -EINVAL; 825 } 826 827 ab->hw_params = *hw_params; 828 829 ath11k_dbg(ab, ATH11K_DBG_BOOT, "Hardware name %s\n", ab->hw_params.name); 830 831 return 0; 832 } 833 834 int ath11k_core_pre_init(struct ath11k_base *ab) 835 { 836 int ret; 837 838 ret = ath11k_init_hw_params(ab); 839 if (ret) { 840 ath11k_err(ab, "failed to get hw params: %d\n", ret); 841 return ret; 842 } 843 844 return 0; 845 } 846 EXPORT_SYMBOL(ath11k_core_pre_init); 847 848 int ath11k_core_init(struct ath11k_base *ab) 849 { 850 int ret; 851 852 ret = ath11k_core_soc_create(ab); 853 if (ret) { 854 ath11k_err(ab, "failed to create soc core: %d\n", ret); 855 return ret; 856 } 857 858 return 0; 859 } 860 EXPORT_SYMBOL(ath11k_core_init); 861 862 void ath11k_core_deinit(struct ath11k_base *ab) 863 { 864 mutex_lock(&ab->core_lock); 865 866 ath11k_core_pdev_destroy(ab); 867 ath11k_core_stop(ab); 868 869 mutex_unlock(&ab->core_lock); 870 871 ath11k_hif_power_down(ab); 872 ath11k_mac_destroy(ab); 873 ath11k_core_soc_destroy(ab); 874 } 875 EXPORT_SYMBOL(ath11k_core_deinit); 876 877 void ath11k_core_free(struct ath11k_base *ab) 878 { 879 kfree(ab); 880 } 881 EXPORT_SYMBOL(ath11k_core_free); 882 883 struct ath11k_base *ath11k_core_alloc(struct device *dev, size_t priv_size, 884 enum ath11k_bus bus, 885 const struct ath11k_bus_params *bus_params) 886 { 887 struct ath11k_base *ab; 888 889 ab = kzalloc(sizeof(*ab) + priv_size, GFP_KERNEL); 890 if (!ab) 891 return NULL; 892 893 init_completion(&ab->driver_recovery); 894 895 ab->workqueue = create_singlethread_workqueue("ath11k_wq"); 896 if (!ab->workqueue) 897 goto err_sc_free; 898 899 mutex_init(&ab->core_lock); 900 spin_lock_init(&ab->base_lock); 901 902 INIT_LIST_HEAD(&ab->peers); 903 init_waitqueue_head(&ab->peer_mapping_wq); 904 init_waitqueue_head(&ab->wmi_ab.tx_credits_wq); 905 INIT_WORK(&ab->restart_work, ath11k_core_restart); 906 timer_setup(&ab->rx_replenish_retry, ath11k_ce_rx_replenish_retry, 0); 907 ab->dev = dev; 908 ab->bus_params = *bus_params; 909 ab->hif.bus = bus; 910 911 return ab; 912 913 err_sc_free: 914 kfree(ab); 915 return NULL; 916 } 917 EXPORT_SYMBOL(ath11k_core_alloc); 918 919 MODULE_DESCRIPTION("Core module for Qualcomm Atheros 802.11ax wireless LAN cards."); 920 MODULE_LICENSE("Dual BSD/GPL"); 921