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 .interface_modes = BIT(NL80211_IFTYPE_STATION) | 63 BIT(NL80211_IFTYPE_AP) | 64 BIT(NL80211_IFTYPE_MESH_POINT), 65 .supports_monitor = true, 66 .supports_shadow_regs = false, 67 .idle_ps = false, 68 }, 69 { 70 .hw_rev = ATH11K_HW_IPQ6018_HW10, 71 .name = "ipq6018 hw1.0", 72 .fw = { 73 .dir = "IPQ6018/hw1.0", 74 .board_size = 256 * 1024, 75 .cal_size = 256 * 1024, 76 }, 77 .max_radios = 2, 78 .bdf_addr = 0x4ABC0000, 79 .hw_ops = &ipq6018_ops, 80 .ring_mask = &ath11k_hw_ring_mask_ipq8074, 81 .internal_sleep_clock = false, 82 .regs = &ipq8074_regs, 83 .host_ce_config = ath11k_host_ce_config_ipq8074, 84 .ce_count = 12, 85 .target_ce_config = ath11k_target_ce_config_wlan_ipq8074, 86 .target_ce_count = 11, 87 .svc_to_ce_map = ath11k_target_service_to_ce_map_wlan_ipq6018, 88 .svc_to_ce_map_len = 19, 89 .single_pdev_only = false, 90 .needs_band_to_mac = true, 91 .rxdma1_enable = true, 92 .num_rxmda_per_pdev = 1, 93 .rx_mac_buf_ring = false, 94 .vdev_start_delay = false, 95 .htt_peer_map_v2 = true, 96 .tcl_0_only = false, 97 .spectral_fft_sz = 4, 98 99 .interface_modes = BIT(NL80211_IFTYPE_STATION) | 100 BIT(NL80211_IFTYPE_AP) | 101 BIT(NL80211_IFTYPE_MESH_POINT), 102 .supports_monitor = true, 103 .supports_shadow_regs = false, 104 .idle_ps = false, 105 }, 106 { 107 .name = "qca6390 hw2.0", 108 .hw_rev = ATH11K_HW_QCA6390_HW20, 109 .fw = { 110 .dir = "QCA6390/hw2.0", 111 .board_size = 256 * 1024, 112 .cal_size = 256 * 1024, 113 }, 114 .max_radios = 3, 115 .bdf_addr = 0x4B0C0000, 116 .hw_ops = &qca6390_ops, 117 .ring_mask = &ath11k_hw_ring_mask_qca6390, 118 .internal_sleep_clock = true, 119 .regs = &qca6390_regs, 120 .host_ce_config = ath11k_host_ce_config_qca6390, 121 .ce_count = 9, 122 .target_ce_config = ath11k_target_ce_config_wlan_qca6390, 123 .target_ce_count = 9, 124 .svc_to_ce_map = ath11k_target_service_to_ce_map_wlan_qca6390, 125 .svc_to_ce_map_len = 14, 126 .single_pdev_only = true, 127 .needs_band_to_mac = false, 128 .rxdma1_enable = false, 129 .num_rxmda_per_pdev = 2, 130 .rx_mac_buf_ring = true, 131 .vdev_start_delay = true, 132 .htt_peer_map_v2 = false, 133 .tcl_0_only = true, 134 .spectral_fft_sz = 0, 135 136 .interface_modes = BIT(NL80211_IFTYPE_STATION) | 137 BIT(NL80211_IFTYPE_AP), 138 .supports_monitor = false, 139 .supports_shadow_regs = true, 140 .idle_ps = true, 141 }, 142 }; 143 144 static int ath11k_core_create_board_name(struct ath11k_base *ab, char *name, 145 size_t name_len) 146 { 147 scnprintf(name, name_len, 148 "bus=%s,qmi-chip-id=%d,qmi-board-id=%d", 149 ath11k_bus_str(ab->hif.bus), 150 ab->qmi.target.chip_id, 151 ab->qmi.target.board_id); 152 153 ath11k_dbg(ab, ATH11K_DBG_BOOT, "boot using board name '%s'\n", name); 154 155 return 0; 156 } 157 158 const struct firmware *ath11k_core_firmware_request(struct ath11k_base *ab, 159 const char *file) 160 { 161 const struct firmware *fw; 162 char path[100]; 163 int ret; 164 165 if (file == NULL) 166 return ERR_PTR(-ENOENT); 167 168 ath11k_core_create_firmware_path(ab, file, path, sizeof(path)); 169 170 ret = firmware_request_nowarn(&fw, path, ab->dev); 171 if (ret) 172 return ERR_PTR(ret); 173 174 ath11k_dbg(ab, ATH11K_DBG_BOOT, "boot firmware request %s size %zu\n", 175 path, fw->size); 176 177 return fw; 178 } 179 180 void ath11k_core_free_bdf(struct ath11k_base *ab, struct ath11k_board_data *bd) 181 { 182 if (!IS_ERR(bd->fw)) 183 release_firmware(bd->fw); 184 185 memset(bd, 0, sizeof(*bd)); 186 } 187 188 static int ath11k_core_parse_bd_ie_board(struct ath11k_base *ab, 189 struct ath11k_board_data *bd, 190 const void *buf, size_t buf_len, 191 const char *boardname, 192 int bd_ie_type) 193 { 194 const struct ath11k_fw_ie *hdr; 195 bool name_match_found; 196 int ret, board_ie_id; 197 size_t board_ie_len; 198 const void *board_ie_data; 199 200 name_match_found = false; 201 202 /* go through ATH11K_BD_IE_BOARD_ elements */ 203 while (buf_len > sizeof(struct ath11k_fw_ie)) { 204 hdr = buf; 205 board_ie_id = le32_to_cpu(hdr->id); 206 board_ie_len = le32_to_cpu(hdr->len); 207 board_ie_data = hdr->data; 208 209 buf_len -= sizeof(*hdr); 210 buf += sizeof(*hdr); 211 212 if (buf_len < ALIGN(board_ie_len, 4)) { 213 ath11k_err(ab, "invalid ATH11K_BD_IE_BOARD length: %zu < %zu\n", 214 buf_len, ALIGN(board_ie_len, 4)); 215 ret = -EINVAL; 216 goto out; 217 } 218 219 switch (board_ie_id) { 220 case ATH11K_BD_IE_BOARD_NAME: 221 ath11k_dbg_dump(ab, ATH11K_DBG_BOOT, "board name", "", 222 board_ie_data, board_ie_len); 223 224 if (board_ie_len != strlen(boardname)) 225 break; 226 227 ret = memcmp(board_ie_data, boardname, strlen(boardname)); 228 if (ret) 229 break; 230 231 name_match_found = true; 232 ath11k_dbg(ab, ATH11K_DBG_BOOT, 233 "boot found match for name '%s'", 234 boardname); 235 break; 236 case ATH11K_BD_IE_BOARD_DATA: 237 if (!name_match_found) 238 /* no match found */ 239 break; 240 241 ath11k_dbg(ab, ATH11K_DBG_BOOT, 242 "boot found board data for '%s'", boardname); 243 244 bd->data = board_ie_data; 245 bd->len = board_ie_len; 246 247 ret = 0; 248 goto out; 249 default: 250 ath11k_warn(ab, "unknown ATH11K_BD_IE_BOARD found: %d\n", 251 board_ie_id); 252 break; 253 } 254 255 /* jump over the padding */ 256 board_ie_len = ALIGN(board_ie_len, 4); 257 258 buf_len -= board_ie_len; 259 buf += board_ie_len; 260 } 261 262 /* no match found */ 263 ret = -ENOENT; 264 265 out: 266 return ret; 267 } 268 269 static int ath11k_core_fetch_board_data_api_n(struct ath11k_base *ab, 270 struct ath11k_board_data *bd, 271 const char *boardname) 272 { 273 size_t len, magic_len; 274 const u8 *data; 275 char *filename, filepath[100]; 276 size_t ie_len; 277 struct ath11k_fw_ie *hdr; 278 int ret, ie_id; 279 280 filename = ATH11K_BOARD_API2_FILE; 281 282 if (!bd->fw) 283 bd->fw = ath11k_core_firmware_request(ab, filename); 284 285 if (IS_ERR(bd->fw)) 286 return PTR_ERR(bd->fw); 287 288 data = bd->fw->data; 289 len = bd->fw->size; 290 291 ath11k_core_create_firmware_path(ab, filename, 292 filepath, sizeof(filepath)); 293 294 /* magic has extra null byte padded */ 295 magic_len = strlen(ATH11K_BOARD_MAGIC) + 1; 296 if (len < magic_len) { 297 ath11k_err(ab, "failed to find magic value in %s, file too short: %zu\n", 298 filepath, len); 299 ret = -EINVAL; 300 goto err; 301 } 302 303 if (memcmp(data, ATH11K_BOARD_MAGIC, magic_len)) { 304 ath11k_err(ab, "found invalid board magic\n"); 305 ret = -EINVAL; 306 goto err; 307 } 308 309 /* magic is padded to 4 bytes */ 310 magic_len = ALIGN(magic_len, 4); 311 if (len < magic_len) { 312 ath11k_err(ab, "failed: %s too small to contain board data, len: %zu\n", 313 filepath, len); 314 ret = -EINVAL; 315 goto err; 316 } 317 318 data += magic_len; 319 len -= magic_len; 320 321 while (len > sizeof(struct ath11k_fw_ie)) { 322 hdr = (struct ath11k_fw_ie *)data; 323 ie_id = le32_to_cpu(hdr->id); 324 ie_len = le32_to_cpu(hdr->len); 325 326 len -= sizeof(*hdr); 327 data = hdr->data; 328 329 if (len < ALIGN(ie_len, 4)) { 330 ath11k_err(ab, "invalid length for board ie_id %d ie_len %zu len %zu\n", 331 ie_id, ie_len, len); 332 return -EINVAL; 333 } 334 335 switch (ie_id) { 336 case ATH11K_BD_IE_BOARD: 337 ret = ath11k_core_parse_bd_ie_board(ab, bd, data, 338 ie_len, 339 boardname, 340 ATH11K_BD_IE_BOARD); 341 if (ret == -ENOENT) 342 /* no match found, continue */ 343 break; 344 else if (ret) 345 /* there was an error, bail out */ 346 goto err; 347 /* either found or error, so stop searching */ 348 goto out; 349 } 350 351 /* jump over the padding */ 352 ie_len = ALIGN(ie_len, 4); 353 354 len -= ie_len; 355 data += ie_len; 356 } 357 358 out: 359 if (!bd->data || !bd->len) { 360 ath11k_err(ab, 361 "failed to fetch board data for %s from %s\n", 362 boardname, filepath); 363 ret = -ENODATA; 364 goto err; 365 } 366 367 return 0; 368 369 err: 370 ath11k_core_free_bdf(ab, bd); 371 return ret; 372 } 373 374 static int ath11k_core_fetch_board_data_api_1(struct ath11k_base *ab, 375 struct ath11k_board_data *bd) 376 { 377 bd->fw = ath11k_core_firmware_request(ab, ATH11K_DEFAULT_BOARD_FILE); 378 if (IS_ERR(bd->fw)) 379 return PTR_ERR(bd->fw); 380 381 bd->data = bd->fw->data; 382 bd->len = bd->fw->size; 383 384 return 0; 385 } 386 387 #define BOARD_NAME_SIZE 100 388 int ath11k_core_fetch_bdf(struct ath11k_base *ab, struct ath11k_board_data *bd) 389 { 390 char boardname[BOARD_NAME_SIZE]; 391 int ret; 392 393 ret = ath11k_core_create_board_name(ab, boardname, BOARD_NAME_SIZE); 394 if (ret) { 395 ath11k_err(ab, "failed to create board name: %d", ret); 396 return ret; 397 } 398 399 ab->bd_api = 2; 400 ret = ath11k_core_fetch_board_data_api_n(ab, bd, boardname); 401 if (!ret) 402 goto success; 403 404 ab->bd_api = 1; 405 ret = ath11k_core_fetch_board_data_api_1(ab, bd); 406 if (ret) { 407 ath11k_err(ab, "failed to fetch board-2.bin or board.bin from %s\n", 408 ab->hw_params.fw.dir); 409 return ret; 410 } 411 412 success: 413 ath11k_dbg(ab, ATH11K_DBG_BOOT, "using board api %d\n", ab->bd_api); 414 return 0; 415 } 416 417 static void ath11k_core_stop(struct ath11k_base *ab) 418 { 419 if (!test_bit(ATH11K_FLAG_CRASH_FLUSH, &ab->dev_flags)) 420 ath11k_qmi_firmware_stop(ab); 421 422 ath11k_hif_stop(ab); 423 ath11k_wmi_detach(ab); 424 ath11k_dp_pdev_reo_cleanup(ab); 425 426 /* De-Init of components as needed */ 427 } 428 429 static int ath11k_core_soc_create(struct ath11k_base *ab) 430 { 431 int ret; 432 433 ret = ath11k_qmi_init_service(ab); 434 if (ret) { 435 ath11k_err(ab, "failed to initialize qmi :%d\n", ret); 436 return ret; 437 } 438 439 ret = ath11k_debugfs_soc_create(ab); 440 if (ret) { 441 ath11k_err(ab, "failed to create ath11k debugfs\n"); 442 goto err_qmi_deinit; 443 } 444 445 ret = ath11k_hif_power_up(ab); 446 if (ret) { 447 ath11k_err(ab, "failed to power up :%d\n", ret); 448 goto err_debugfs_reg; 449 } 450 451 return 0; 452 453 err_debugfs_reg: 454 ath11k_debugfs_soc_destroy(ab); 455 err_qmi_deinit: 456 ath11k_qmi_deinit_service(ab); 457 return ret; 458 } 459 460 static void ath11k_core_soc_destroy(struct ath11k_base *ab) 461 { 462 ath11k_debugfs_soc_destroy(ab); 463 ath11k_dp_free(ab); 464 ath11k_reg_free(ab); 465 ath11k_qmi_deinit_service(ab); 466 } 467 468 static int ath11k_core_pdev_create(struct ath11k_base *ab) 469 { 470 int ret; 471 472 ret = ath11k_debugfs_pdev_create(ab); 473 if (ret) { 474 ath11k_err(ab, "failed to create core pdev debugfs: %d\n", ret); 475 return ret; 476 } 477 478 ret = ath11k_mac_register(ab); 479 if (ret) { 480 ath11k_err(ab, "failed register the radio with mac80211: %d\n", ret); 481 goto err_pdev_debug; 482 } 483 484 ret = ath11k_dp_pdev_alloc(ab); 485 if (ret) { 486 ath11k_err(ab, "failed to attach DP pdev: %d\n", ret); 487 goto err_mac_unregister; 488 } 489 490 ret = ath11k_thermal_register(ab); 491 if (ret) { 492 ath11k_err(ab, "could not register thermal device: %d\n", 493 ret); 494 goto err_dp_pdev_free; 495 } 496 497 ret = ath11k_spectral_init(ab); 498 if (ret) { 499 ath11k_err(ab, "failed to init spectral %d\n", ret); 500 goto err_thermal_unregister; 501 } 502 503 return 0; 504 505 err_thermal_unregister: 506 ath11k_thermal_unregister(ab); 507 err_dp_pdev_free: 508 ath11k_dp_pdev_free(ab); 509 err_mac_unregister: 510 ath11k_mac_unregister(ab); 511 err_pdev_debug: 512 ath11k_debugfs_pdev_destroy(ab); 513 514 return ret; 515 } 516 517 static void ath11k_core_pdev_destroy(struct ath11k_base *ab) 518 { 519 ath11k_spectral_deinit(ab); 520 ath11k_thermal_unregister(ab); 521 ath11k_mac_unregister(ab); 522 ath11k_hif_irq_disable(ab); 523 ath11k_dp_pdev_free(ab); 524 ath11k_debugfs_pdev_destroy(ab); 525 } 526 527 static int ath11k_core_start(struct ath11k_base *ab, 528 enum ath11k_firmware_mode mode) 529 { 530 int ret; 531 532 ret = ath11k_qmi_firmware_start(ab, mode); 533 if (ret) { 534 ath11k_err(ab, "failed to attach wmi: %d\n", ret); 535 return ret; 536 } 537 538 ret = ath11k_wmi_attach(ab); 539 if (ret) { 540 ath11k_err(ab, "failed to attach wmi: %d\n", ret); 541 goto err_firmware_stop; 542 } 543 544 ret = ath11k_htc_init(ab); 545 if (ret) { 546 ath11k_err(ab, "failed to init htc: %d\n", ret); 547 goto err_wmi_detach; 548 } 549 550 ret = ath11k_hif_start(ab); 551 if (ret) { 552 ath11k_err(ab, "failed to start HIF: %d\n", ret); 553 goto err_wmi_detach; 554 } 555 556 ret = ath11k_htc_wait_target(&ab->htc); 557 if (ret) { 558 ath11k_err(ab, "failed to connect to HTC: %d\n", ret); 559 goto err_hif_stop; 560 } 561 562 ret = ath11k_dp_htt_connect(&ab->dp); 563 if (ret) { 564 ath11k_err(ab, "failed to connect to HTT: %d\n", ret); 565 goto err_hif_stop; 566 } 567 568 ret = ath11k_wmi_connect(ab); 569 if (ret) { 570 ath11k_err(ab, "failed to connect wmi: %d\n", ret); 571 goto err_hif_stop; 572 } 573 574 ret = ath11k_htc_start(&ab->htc); 575 if (ret) { 576 ath11k_err(ab, "failed to start HTC: %d\n", ret); 577 goto err_hif_stop; 578 } 579 580 ret = ath11k_wmi_wait_for_service_ready(ab); 581 if (ret) { 582 ath11k_err(ab, "failed to receive wmi service ready event: %d\n", 583 ret); 584 goto err_hif_stop; 585 } 586 587 ret = ath11k_mac_allocate(ab); 588 if (ret) { 589 ath11k_err(ab, "failed to create new hw device with mac80211 :%d\n", 590 ret); 591 goto err_hif_stop; 592 } 593 594 ath11k_dp_pdev_pre_alloc(ab); 595 596 ret = ath11k_dp_pdev_reo_setup(ab); 597 if (ret) { 598 ath11k_err(ab, "failed to initialize reo destination rings: %d\n", ret); 599 goto err_mac_destroy; 600 } 601 602 ret = ath11k_wmi_cmd_init(ab); 603 if (ret) { 604 ath11k_err(ab, "failed to send wmi init cmd: %d\n", ret); 605 goto err_reo_cleanup; 606 } 607 608 ret = ath11k_wmi_wait_for_unified_ready(ab); 609 if (ret) { 610 ath11k_err(ab, "failed to receive wmi unified ready event: %d\n", 611 ret); 612 goto err_reo_cleanup; 613 } 614 615 ret = ath11k_dp_tx_htt_h2t_ver_req_msg(ab); 616 if (ret) { 617 ath11k_err(ab, "failed to send htt version request message: %d\n", 618 ret); 619 goto err_reo_cleanup; 620 } 621 622 return 0; 623 624 err_reo_cleanup: 625 ath11k_dp_pdev_reo_cleanup(ab); 626 err_mac_destroy: 627 ath11k_mac_destroy(ab); 628 err_hif_stop: 629 ath11k_hif_stop(ab); 630 err_wmi_detach: 631 ath11k_wmi_detach(ab); 632 err_firmware_stop: 633 ath11k_qmi_firmware_stop(ab); 634 635 return ret; 636 } 637 638 int ath11k_core_qmi_firmware_ready(struct ath11k_base *ab) 639 { 640 int ret; 641 642 ret = ath11k_ce_init_pipes(ab); 643 if (ret) { 644 ath11k_err(ab, "failed to initialize CE: %d\n", ret); 645 return ret; 646 } 647 648 ret = ath11k_dp_alloc(ab); 649 if (ret) { 650 ath11k_err(ab, "failed to init DP: %d\n", ret); 651 return ret; 652 } 653 654 switch (ath11k_crypto_mode) { 655 case ATH11K_CRYPT_MODE_SW: 656 set_bit(ATH11K_FLAG_HW_CRYPTO_DISABLED, &ab->dev_flags); 657 set_bit(ATH11K_FLAG_RAW_MODE, &ab->dev_flags); 658 break; 659 case ATH11K_CRYPT_MODE_HW: 660 clear_bit(ATH11K_FLAG_HW_CRYPTO_DISABLED, &ab->dev_flags); 661 clear_bit(ATH11K_FLAG_RAW_MODE, &ab->dev_flags); 662 break; 663 default: 664 ath11k_info(ab, "invalid crypto_mode: %d\n", ath11k_crypto_mode); 665 return -EINVAL; 666 } 667 668 if (ath11k_frame_mode == ATH11K_HW_TXRX_RAW) 669 set_bit(ATH11K_FLAG_RAW_MODE, &ab->dev_flags); 670 671 mutex_lock(&ab->core_lock); 672 ret = ath11k_core_start(ab, ATH11K_FIRMWARE_MODE_NORMAL); 673 if (ret) { 674 ath11k_err(ab, "failed to start core: %d\n", ret); 675 goto err_dp_free; 676 } 677 678 ret = ath11k_core_pdev_create(ab); 679 if (ret) { 680 ath11k_err(ab, "failed to create pdev core: %d\n", ret); 681 goto err_core_stop; 682 } 683 ath11k_hif_irq_enable(ab); 684 mutex_unlock(&ab->core_lock); 685 686 return 0; 687 688 err_core_stop: 689 ath11k_core_stop(ab); 690 ath11k_mac_destroy(ab); 691 err_dp_free: 692 ath11k_dp_free(ab); 693 mutex_unlock(&ab->core_lock); 694 return ret; 695 } 696 697 static int ath11k_core_reconfigure_on_crash(struct ath11k_base *ab) 698 { 699 int ret; 700 701 mutex_lock(&ab->core_lock); 702 ath11k_thermal_unregister(ab); 703 ath11k_hif_irq_disable(ab); 704 ath11k_dp_pdev_free(ab); 705 ath11k_spectral_deinit(ab); 706 ath11k_hif_stop(ab); 707 ath11k_wmi_detach(ab); 708 ath11k_dp_pdev_reo_cleanup(ab); 709 mutex_unlock(&ab->core_lock); 710 711 ath11k_dp_free(ab); 712 ath11k_hal_srng_deinit(ab); 713 714 ab->free_vdev_map = (1LL << (ab->num_radios * TARGET_NUM_VDEVS)) - 1; 715 716 ret = ath11k_hal_srng_init(ab); 717 if (ret) 718 return ret; 719 720 clear_bit(ATH11K_FLAG_CRASH_FLUSH, &ab->dev_flags); 721 722 ret = ath11k_core_qmi_firmware_ready(ab); 723 if (ret) 724 goto err_hal_srng_deinit; 725 726 clear_bit(ATH11K_FLAG_RECOVERY, &ab->dev_flags); 727 728 return 0; 729 730 err_hal_srng_deinit: 731 ath11k_hal_srng_deinit(ab); 732 return ret; 733 } 734 735 void ath11k_core_halt(struct ath11k *ar) 736 { 737 struct ath11k_base *ab = ar->ab; 738 739 lockdep_assert_held(&ar->conf_mutex); 740 741 ar->num_created_vdevs = 0; 742 ar->allocated_vdev_map = 0; 743 744 ath11k_mac_scan_finish(ar); 745 ath11k_mac_peer_cleanup_all(ar); 746 cancel_delayed_work_sync(&ar->scan.timeout); 747 cancel_work_sync(&ar->regd_update_work); 748 749 rcu_assign_pointer(ab->pdevs_active[ar->pdev_idx], NULL); 750 synchronize_rcu(); 751 INIT_LIST_HEAD(&ar->arvifs); 752 idr_init(&ar->txmgmt_idr); 753 } 754 755 static void ath11k_core_restart(struct work_struct *work) 756 { 757 struct ath11k_base *ab = container_of(work, struct ath11k_base, restart_work); 758 struct ath11k *ar; 759 struct ath11k_pdev *pdev; 760 int i, ret = 0; 761 762 spin_lock_bh(&ab->base_lock); 763 ab->stats.fw_crash_counter++; 764 spin_unlock_bh(&ab->base_lock); 765 766 for (i = 0; i < ab->num_radios; i++) { 767 pdev = &ab->pdevs[i]; 768 ar = pdev->ar; 769 if (!ar || ar->state == ATH11K_STATE_OFF) 770 continue; 771 772 ieee80211_stop_queues(ar->hw); 773 ath11k_mac_drain_tx(ar); 774 complete(&ar->scan.started); 775 complete(&ar->scan.completed); 776 complete(&ar->peer_assoc_done); 777 complete(&ar->install_key_done); 778 complete(&ar->vdev_setup_done); 779 complete(&ar->bss_survey_done); 780 complete(&ar->thermal.wmi_sync); 781 782 wake_up(&ar->dp.tx_empty_waitq); 783 idr_for_each(&ar->txmgmt_idr, 784 ath11k_mac_tx_mgmt_pending_free, ar); 785 idr_destroy(&ar->txmgmt_idr); 786 } 787 788 wake_up(&ab->wmi_ab.tx_credits_wq); 789 wake_up(&ab->peer_mapping_wq); 790 791 ret = ath11k_core_reconfigure_on_crash(ab); 792 if (ret) { 793 ath11k_err(ab, "failed to reconfigure driver on crash recovery\n"); 794 return; 795 } 796 797 for (i = 0; i < ab->num_radios; i++) { 798 pdev = &ab->pdevs[i]; 799 ar = pdev->ar; 800 if (!ar || ar->state == ATH11K_STATE_OFF) 801 continue; 802 803 mutex_lock(&ar->conf_mutex); 804 805 switch (ar->state) { 806 case ATH11K_STATE_ON: 807 ar->state = ATH11K_STATE_RESTARTING; 808 ath11k_core_halt(ar); 809 ieee80211_restart_hw(ar->hw); 810 break; 811 case ATH11K_STATE_OFF: 812 ath11k_warn(ab, 813 "cannot restart radio %d that hasn't been started\n", 814 i); 815 break; 816 case ATH11K_STATE_RESTARTING: 817 break; 818 case ATH11K_STATE_RESTARTED: 819 ar->state = ATH11K_STATE_WEDGED; 820 fallthrough; 821 case ATH11K_STATE_WEDGED: 822 ath11k_warn(ab, 823 "device is wedged, will not restart radio %d\n", i); 824 break; 825 } 826 mutex_unlock(&ar->conf_mutex); 827 } 828 complete(&ab->driver_recovery); 829 } 830 831 static int ath11k_init_hw_params(struct ath11k_base *ab) 832 { 833 const struct ath11k_hw_params *hw_params = NULL; 834 int i; 835 836 for (i = 0; i < ARRAY_SIZE(ath11k_hw_params); i++) { 837 hw_params = &ath11k_hw_params[i]; 838 839 if (hw_params->hw_rev == ab->hw_rev) 840 break; 841 } 842 843 if (i == ARRAY_SIZE(ath11k_hw_params)) { 844 ath11k_err(ab, "Unsupported hardware version: 0x%x\n", ab->hw_rev); 845 return -EINVAL; 846 } 847 848 ab->hw_params = *hw_params; 849 850 ath11k_dbg(ab, ATH11K_DBG_BOOT, "Hardware name %s\n", ab->hw_params.name); 851 852 return 0; 853 } 854 855 int ath11k_core_pre_init(struct ath11k_base *ab) 856 { 857 int ret; 858 859 ret = ath11k_init_hw_params(ab); 860 if (ret) { 861 ath11k_err(ab, "failed to get hw params: %d\n", ret); 862 return ret; 863 } 864 865 return 0; 866 } 867 EXPORT_SYMBOL(ath11k_core_pre_init); 868 869 int ath11k_core_init(struct ath11k_base *ab) 870 { 871 int ret; 872 873 ret = ath11k_core_soc_create(ab); 874 if (ret) { 875 ath11k_err(ab, "failed to create soc core: %d\n", ret); 876 return ret; 877 } 878 879 return 0; 880 } 881 EXPORT_SYMBOL(ath11k_core_init); 882 883 void ath11k_core_deinit(struct ath11k_base *ab) 884 { 885 mutex_lock(&ab->core_lock); 886 887 ath11k_core_pdev_destroy(ab); 888 ath11k_core_stop(ab); 889 890 mutex_unlock(&ab->core_lock); 891 892 ath11k_hif_power_down(ab); 893 ath11k_mac_destroy(ab); 894 ath11k_core_soc_destroy(ab); 895 } 896 EXPORT_SYMBOL(ath11k_core_deinit); 897 898 void ath11k_core_free(struct ath11k_base *ab) 899 { 900 kfree(ab); 901 } 902 EXPORT_SYMBOL(ath11k_core_free); 903 904 struct ath11k_base *ath11k_core_alloc(struct device *dev, size_t priv_size, 905 enum ath11k_bus bus, 906 const struct ath11k_bus_params *bus_params) 907 { 908 struct ath11k_base *ab; 909 910 ab = kzalloc(sizeof(*ab) + priv_size, GFP_KERNEL); 911 if (!ab) 912 return NULL; 913 914 init_completion(&ab->driver_recovery); 915 916 ab->workqueue = create_singlethread_workqueue("ath11k_wq"); 917 if (!ab->workqueue) 918 goto err_sc_free; 919 920 mutex_init(&ab->core_lock); 921 spin_lock_init(&ab->base_lock); 922 923 INIT_LIST_HEAD(&ab->peers); 924 init_waitqueue_head(&ab->peer_mapping_wq); 925 init_waitqueue_head(&ab->wmi_ab.tx_credits_wq); 926 INIT_WORK(&ab->restart_work, ath11k_core_restart); 927 timer_setup(&ab->rx_replenish_retry, ath11k_ce_rx_replenish_retry, 0); 928 ab->dev = dev; 929 ab->bus_params = *bus_params; 930 ab->hif.bus = bus; 931 932 return ab; 933 934 err_sc_free: 935 kfree(ab); 936 return NULL; 937 } 938 EXPORT_SYMBOL(ath11k_core_alloc); 939 940 MODULE_DESCRIPTION("Core module for Qualcomm Atheros 802.11ax wireless LAN cards."); 941 MODULE_LICENSE("Dual BSD/GPL"); 942