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 <linux/of.h> 11 #include "core.h" 12 #include "dp_tx.h" 13 #include "dp_rx.h" 14 #include "debug.h" 15 #include "hif.h" 16 #include "wow.h" 17 18 unsigned int ath11k_debug_mask; 19 EXPORT_SYMBOL(ath11k_debug_mask); 20 module_param_named(debug_mask, ath11k_debug_mask, uint, 0644); 21 MODULE_PARM_DESC(debug_mask, "Debugging mask"); 22 23 static unsigned int ath11k_crypto_mode; 24 module_param_named(crypto_mode, ath11k_crypto_mode, uint, 0644); 25 MODULE_PARM_DESC(crypto_mode, "crypto mode: 0-hardware, 1-software"); 26 27 /* frame mode values are mapped as per enum ath11k_hw_txrx_mode */ 28 unsigned int ath11k_frame_mode = ATH11K_HW_TXRX_NATIVE_WIFI; 29 module_param_named(frame_mode, ath11k_frame_mode, uint, 0644); 30 MODULE_PARM_DESC(frame_mode, 31 "Datapath frame mode (0: raw, 1: native wifi (default), 2: ethernet)"); 32 33 static const struct ath11k_hw_params ath11k_hw_params[] = { 34 { 35 .hw_rev = ATH11K_HW_IPQ8074, 36 .name = "ipq8074 hw2.0", 37 .fw = { 38 .dir = "IPQ8074/hw2.0", 39 .board_size = 256 * 1024, 40 .cal_size = 256 * 1024, 41 }, 42 .max_radios = 3, 43 .bdf_addr = 0x4B0C0000, 44 .hw_ops = &ipq8074_ops, 45 .ring_mask = &ath11k_hw_ring_mask_ipq8074, 46 .internal_sleep_clock = false, 47 .regs = &ipq8074_regs, 48 .qmi_service_ins_id = ATH11K_QMI_WLFW_SERVICE_INS_ID_V01_IPQ8074, 49 .host_ce_config = ath11k_host_ce_config_ipq8074, 50 .ce_count = 12, 51 .target_ce_config = ath11k_target_ce_config_wlan_ipq8074, 52 .target_ce_count = 11, 53 .svc_to_ce_map = ath11k_target_service_to_ce_map_wlan_ipq8074, 54 .svc_to_ce_map_len = 21, 55 .single_pdev_only = false, 56 .rxdma1_enable = true, 57 .num_rxmda_per_pdev = 1, 58 .rx_mac_buf_ring = false, 59 .vdev_start_delay = false, 60 .htt_peer_map_v2 = true, 61 .tcl_0_only = false, 62 .spectral_fft_sz = 2, 63 64 .interface_modes = BIT(NL80211_IFTYPE_STATION) | 65 BIT(NL80211_IFTYPE_AP) | 66 BIT(NL80211_IFTYPE_MESH_POINT), 67 .supports_monitor = true, 68 .supports_shadow_regs = false, 69 .idle_ps = false, 70 .cold_boot_calib = true, 71 .supports_suspend = false, 72 .hal_desc_sz = sizeof(struct hal_rx_desc_ipq8074), 73 }, 74 { 75 .hw_rev = ATH11K_HW_IPQ6018_HW10, 76 .name = "ipq6018 hw1.0", 77 .fw = { 78 .dir = "IPQ6018/hw1.0", 79 .board_size = 256 * 1024, 80 .cal_size = 256 * 1024, 81 }, 82 .max_radios = 2, 83 .bdf_addr = 0x4ABC0000, 84 .hw_ops = &ipq6018_ops, 85 .ring_mask = &ath11k_hw_ring_mask_ipq8074, 86 .internal_sleep_clock = false, 87 .regs = &ipq8074_regs, 88 .qmi_service_ins_id = ATH11K_QMI_WLFW_SERVICE_INS_ID_V01_IPQ8074, 89 .host_ce_config = ath11k_host_ce_config_ipq8074, 90 .ce_count = 12, 91 .target_ce_config = ath11k_target_ce_config_wlan_ipq8074, 92 .target_ce_count = 11, 93 .svc_to_ce_map = ath11k_target_service_to_ce_map_wlan_ipq6018, 94 .svc_to_ce_map_len = 19, 95 .single_pdev_only = false, 96 .rxdma1_enable = true, 97 .num_rxmda_per_pdev = 1, 98 .rx_mac_buf_ring = false, 99 .vdev_start_delay = false, 100 .htt_peer_map_v2 = true, 101 .tcl_0_only = false, 102 .spectral_fft_sz = 4, 103 104 .interface_modes = BIT(NL80211_IFTYPE_STATION) | 105 BIT(NL80211_IFTYPE_AP) | 106 BIT(NL80211_IFTYPE_MESH_POINT), 107 .supports_monitor = true, 108 .supports_shadow_regs = false, 109 .idle_ps = false, 110 .cold_boot_calib = true, 111 .supports_suspend = false, 112 .hal_desc_sz = sizeof(struct hal_rx_desc_ipq8074), 113 }, 114 { 115 .name = "qca6390 hw2.0", 116 .hw_rev = ATH11K_HW_QCA6390_HW20, 117 .fw = { 118 .dir = "QCA6390/hw2.0", 119 .board_size = 256 * 1024, 120 .cal_size = 256 * 1024, 121 }, 122 .max_radios = 3, 123 .bdf_addr = 0x4B0C0000, 124 .hw_ops = &qca6390_ops, 125 .ring_mask = &ath11k_hw_ring_mask_qca6390, 126 .internal_sleep_clock = true, 127 .regs = &qca6390_regs, 128 .qmi_service_ins_id = ATH11K_QMI_WLFW_SERVICE_INS_ID_V01_QCA6390, 129 .host_ce_config = ath11k_host_ce_config_qca6390, 130 .ce_count = 9, 131 .target_ce_config = ath11k_target_ce_config_wlan_qca6390, 132 .target_ce_count = 9, 133 .svc_to_ce_map = ath11k_target_service_to_ce_map_wlan_qca6390, 134 .svc_to_ce_map_len = 14, 135 .single_pdev_only = true, 136 .rxdma1_enable = false, 137 .num_rxmda_per_pdev = 2, 138 .rx_mac_buf_ring = true, 139 .vdev_start_delay = true, 140 .htt_peer_map_v2 = false, 141 .tcl_0_only = true, 142 .spectral_fft_sz = 0, 143 144 .interface_modes = BIT(NL80211_IFTYPE_STATION) | 145 BIT(NL80211_IFTYPE_AP), 146 .supports_monitor = false, 147 .supports_shadow_regs = true, 148 .idle_ps = true, 149 .cold_boot_calib = false, 150 .supports_suspend = true, 151 .hal_desc_sz = sizeof(struct hal_rx_desc_ipq8074), 152 }, 153 { 154 .name = "qcn9074 hw1.0", 155 .hw_rev = ATH11K_HW_QCN9074_HW10, 156 .fw = { 157 .dir = "QCN9074/hw1.0", 158 .board_size = 256 * 1024, 159 .cal_size = 256 * 1024, 160 }, 161 .max_radios = 1, 162 .single_pdev_only = false, 163 .qmi_service_ins_id = ATH11K_QMI_WLFW_SERVICE_INS_ID_V01_QCN9074, 164 .hw_ops = &qcn9074_ops, 165 .ring_mask = &ath11k_hw_ring_mask_qcn9074, 166 .internal_sleep_clock = false, 167 .regs = &qcn9074_regs, 168 .host_ce_config = ath11k_host_ce_config_qcn9074, 169 .ce_count = 6, 170 .target_ce_config = ath11k_target_ce_config_wlan_qcn9074, 171 .target_ce_count = 9, 172 .svc_to_ce_map = ath11k_target_service_to_ce_map_wlan_qcn9074, 173 .svc_to_ce_map_len = 18, 174 .rxdma1_enable = true, 175 .num_rxmda_per_pdev = 1, 176 .rx_mac_buf_ring = false, 177 .vdev_start_delay = false, 178 .htt_peer_map_v2 = true, 179 .tcl_0_only = false, 180 .interface_modes = BIT(NL80211_IFTYPE_STATION) | 181 BIT(NL80211_IFTYPE_AP) | 182 BIT(NL80211_IFTYPE_MESH_POINT), 183 .supports_monitor = true, 184 .supports_shadow_regs = false, 185 .idle_ps = false, 186 .cold_boot_calib = false, 187 .supports_suspend = false, 188 .hal_desc_sz = sizeof(struct hal_rx_desc_qcn9074), 189 }, 190 }; 191 192 int ath11k_core_suspend(struct ath11k_base *ab) 193 { 194 int ret; 195 196 if (!ab->hw_params.supports_suspend) 197 return -EOPNOTSUPP; 198 199 /* TODO: there can frames in queues so for now add delay as a hack. 200 * Need to implement to handle and remove this delay. 201 */ 202 msleep(500); 203 204 ret = ath11k_dp_rx_pktlog_stop(ab, true); 205 if (ret) { 206 ath11k_warn(ab, "failed to stop dp rx (and timer) pktlog during suspend: %d\n", 207 ret); 208 return ret; 209 } 210 211 ret = ath11k_wow_enable(ab); 212 if (ret) { 213 ath11k_warn(ab, "failed to enable wow during suspend: %d\n", ret); 214 return ret; 215 } 216 217 ret = ath11k_dp_rx_pktlog_stop(ab, false); 218 if (ret) { 219 ath11k_warn(ab, "failed to stop dp rx pktlog during suspend: %d\n", 220 ret); 221 return ret; 222 } 223 224 ath11k_ce_stop_shadow_timers(ab); 225 ath11k_dp_stop_shadow_timers(ab); 226 227 ath11k_hif_irq_disable(ab); 228 ath11k_hif_ce_irq_disable(ab); 229 230 ret = ath11k_hif_suspend(ab); 231 if (ret) { 232 ath11k_warn(ab, "failed to suspend hif: %d\n", ret); 233 return ret; 234 } 235 236 return 0; 237 } 238 EXPORT_SYMBOL(ath11k_core_suspend); 239 240 int ath11k_core_resume(struct ath11k_base *ab) 241 { 242 int ret; 243 244 if (!ab->hw_params.supports_suspend) 245 return -EOPNOTSUPP; 246 247 ret = ath11k_hif_resume(ab); 248 if (ret) { 249 ath11k_warn(ab, "failed to resume hif during resume: %d\n", ret); 250 return ret; 251 } 252 253 ath11k_hif_ce_irq_enable(ab); 254 ath11k_hif_irq_enable(ab); 255 256 ret = ath11k_dp_rx_pktlog_start(ab); 257 if (ret) { 258 ath11k_warn(ab, "failed to start rx pktlog during resume: %d\n", 259 ret); 260 return ret; 261 } 262 263 ret = ath11k_wow_wakeup(ab); 264 if (ret) { 265 ath11k_warn(ab, "failed to wakeup wow during resume: %d\n", ret); 266 return ret; 267 } 268 269 return 0; 270 } 271 EXPORT_SYMBOL(ath11k_core_resume); 272 273 int ath11k_core_check_dt(struct ath11k_base *ab) 274 { 275 size_t max_len = sizeof(ab->qmi.target.bdf_ext); 276 const char *variant = NULL; 277 struct device_node *node; 278 279 node = ab->dev->of_node; 280 if (!node) 281 return -ENOENT; 282 283 of_property_read_string(node, "qcom,ath11k-calibration-variant", 284 &variant); 285 if (!variant) 286 return -ENODATA; 287 288 if (strscpy(ab->qmi.target.bdf_ext, variant, max_len) < 0) 289 ath11k_dbg(ab, ATH11K_DBG_BOOT, 290 "bdf variant string is longer than the buffer can accommodate (variant: %s)\n", 291 variant); 292 293 return 0; 294 } 295 296 static int ath11k_core_create_board_name(struct ath11k_base *ab, char *name, 297 size_t name_len) 298 { 299 /* strlen(',variant=') + strlen(ab->qmi.target.bdf_ext) */ 300 char variant[9 + ATH11K_QMI_BDF_EXT_STR_LENGTH] = { 0 }; 301 302 if (ab->qmi.target.bdf_ext[0] != '\0') 303 scnprintf(variant, sizeof(variant), ",variant=%s", 304 ab->qmi.target.bdf_ext); 305 306 scnprintf(name, name_len, 307 "bus=%s,qmi-chip-id=%d,qmi-board-id=%d%s", 308 ath11k_bus_str(ab->hif.bus), 309 ab->qmi.target.chip_id, 310 ab->qmi.target.board_id, variant); 311 312 ath11k_dbg(ab, ATH11K_DBG_BOOT, "boot using board name '%s'\n", name); 313 314 return 0; 315 } 316 317 const struct firmware *ath11k_core_firmware_request(struct ath11k_base *ab, 318 const char *file) 319 { 320 const struct firmware *fw; 321 char path[100]; 322 int ret; 323 324 if (file == NULL) 325 return ERR_PTR(-ENOENT); 326 327 ath11k_core_create_firmware_path(ab, file, path, sizeof(path)); 328 329 ret = firmware_request_nowarn(&fw, path, ab->dev); 330 if (ret) 331 return ERR_PTR(ret); 332 333 ath11k_dbg(ab, ATH11K_DBG_BOOT, "boot firmware request %s size %zu\n", 334 path, fw->size); 335 336 return fw; 337 } 338 339 void ath11k_core_free_bdf(struct ath11k_base *ab, struct ath11k_board_data *bd) 340 { 341 if (!IS_ERR(bd->fw)) 342 release_firmware(bd->fw); 343 344 memset(bd, 0, sizeof(*bd)); 345 } 346 347 static int ath11k_core_parse_bd_ie_board(struct ath11k_base *ab, 348 struct ath11k_board_data *bd, 349 const void *buf, size_t buf_len, 350 const char *boardname, 351 int bd_ie_type) 352 { 353 const struct ath11k_fw_ie *hdr; 354 bool name_match_found; 355 int ret, board_ie_id; 356 size_t board_ie_len; 357 const void *board_ie_data; 358 359 name_match_found = false; 360 361 /* go through ATH11K_BD_IE_BOARD_ elements */ 362 while (buf_len > sizeof(struct ath11k_fw_ie)) { 363 hdr = buf; 364 board_ie_id = le32_to_cpu(hdr->id); 365 board_ie_len = le32_to_cpu(hdr->len); 366 board_ie_data = hdr->data; 367 368 buf_len -= sizeof(*hdr); 369 buf += sizeof(*hdr); 370 371 if (buf_len < ALIGN(board_ie_len, 4)) { 372 ath11k_err(ab, "invalid ATH11K_BD_IE_BOARD length: %zu < %zu\n", 373 buf_len, ALIGN(board_ie_len, 4)); 374 ret = -EINVAL; 375 goto out; 376 } 377 378 switch (board_ie_id) { 379 case ATH11K_BD_IE_BOARD_NAME: 380 ath11k_dbg_dump(ab, ATH11K_DBG_BOOT, "board name", "", 381 board_ie_data, board_ie_len); 382 383 if (board_ie_len != strlen(boardname)) 384 break; 385 386 ret = memcmp(board_ie_data, boardname, strlen(boardname)); 387 if (ret) 388 break; 389 390 name_match_found = true; 391 ath11k_dbg(ab, ATH11K_DBG_BOOT, 392 "boot found match for name '%s'", 393 boardname); 394 break; 395 case ATH11K_BD_IE_BOARD_DATA: 396 if (!name_match_found) 397 /* no match found */ 398 break; 399 400 ath11k_dbg(ab, ATH11K_DBG_BOOT, 401 "boot found board data for '%s'", boardname); 402 403 bd->data = board_ie_data; 404 bd->len = board_ie_len; 405 406 ret = 0; 407 goto out; 408 default: 409 ath11k_warn(ab, "unknown ATH11K_BD_IE_BOARD found: %d\n", 410 board_ie_id); 411 break; 412 } 413 414 /* jump over the padding */ 415 board_ie_len = ALIGN(board_ie_len, 4); 416 417 buf_len -= board_ie_len; 418 buf += board_ie_len; 419 } 420 421 /* no match found */ 422 ret = -ENOENT; 423 424 out: 425 return ret; 426 } 427 428 static int ath11k_core_fetch_board_data_api_n(struct ath11k_base *ab, 429 struct ath11k_board_data *bd, 430 const char *boardname) 431 { 432 size_t len, magic_len; 433 const u8 *data; 434 char *filename, filepath[100]; 435 size_t ie_len; 436 struct ath11k_fw_ie *hdr; 437 int ret, ie_id; 438 439 filename = ATH11K_BOARD_API2_FILE; 440 441 if (!bd->fw) 442 bd->fw = ath11k_core_firmware_request(ab, filename); 443 444 if (IS_ERR(bd->fw)) 445 return PTR_ERR(bd->fw); 446 447 data = bd->fw->data; 448 len = bd->fw->size; 449 450 ath11k_core_create_firmware_path(ab, filename, 451 filepath, sizeof(filepath)); 452 453 /* magic has extra null byte padded */ 454 magic_len = strlen(ATH11K_BOARD_MAGIC) + 1; 455 if (len < magic_len) { 456 ath11k_err(ab, "failed to find magic value in %s, file too short: %zu\n", 457 filepath, len); 458 ret = -EINVAL; 459 goto err; 460 } 461 462 if (memcmp(data, ATH11K_BOARD_MAGIC, magic_len)) { 463 ath11k_err(ab, "found invalid board magic\n"); 464 ret = -EINVAL; 465 goto err; 466 } 467 468 /* magic is padded to 4 bytes */ 469 magic_len = ALIGN(magic_len, 4); 470 if (len < magic_len) { 471 ath11k_err(ab, "failed: %s too small to contain board data, len: %zu\n", 472 filepath, len); 473 ret = -EINVAL; 474 goto err; 475 } 476 477 data += magic_len; 478 len -= magic_len; 479 480 while (len > sizeof(struct ath11k_fw_ie)) { 481 hdr = (struct ath11k_fw_ie *)data; 482 ie_id = le32_to_cpu(hdr->id); 483 ie_len = le32_to_cpu(hdr->len); 484 485 len -= sizeof(*hdr); 486 data = hdr->data; 487 488 if (len < ALIGN(ie_len, 4)) { 489 ath11k_err(ab, "invalid length for board ie_id %d ie_len %zu len %zu\n", 490 ie_id, ie_len, len); 491 return -EINVAL; 492 } 493 494 switch (ie_id) { 495 case ATH11K_BD_IE_BOARD: 496 ret = ath11k_core_parse_bd_ie_board(ab, bd, data, 497 ie_len, 498 boardname, 499 ATH11K_BD_IE_BOARD); 500 if (ret == -ENOENT) 501 /* no match found, continue */ 502 break; 503 else if (ret) 504 /* there was an error, bail out */ 505 goto err; 506 /* either found or error, so stop searching */ 507 goto out; 508 } 509 510 /* jump over the padding */ 511 ie_len = ALIGN(ie_len, 4); 512 513 len -= ie_len; 514 data += ie_len; 515 } 516 517 out: 518 if (!bd->data || !bd->len) { 519 ath11k_err(ab, 520 "failed to fetch board data for %s from %s\n", 521 boardname, filepath); 522 ret = -ENODATA; 523 goto err; 524 } 525 526 return 0; 527 528 err: 529 ath11k_core_free_bdf(ab, bd); 530 return ret; 531 } 532 533 static int ath11k_core_fetch_board_data_api_1(struct ath11k_base *ab, 534 struct ath11k_board_data *bd) 535 { 536 bd->fw = ath11k_core_firmware_request(ab, ATH11K_DEFAULT_BOARD_FILE); 537 if (IS_ERR(bd->fw)) 538 return PTR_ERR(bd->fw); 539 540 bd->data = bd->fw->data; 541 bd->len = bd->fw->size; 542 543 return 0; 544 } 545 546 #define BOARD_NAME_SIZE 100 547 int ath11k_core_fetch_bdf(struct ath11k_base *ab, struct ath11k_board_data *bd) 548 { 549 char boardname[BOARD_NAME_SIZE]; 550 int ret; 551 552 ret = ath11k_core_create_board_name(ab, boardname, BOARD_NAME_SIZE); 553 if (ret) { 554 ath11k_err(ab, "failed to create board name: %d", ret); 555 return ret; 556 } 557 558 ab->bd_api = 2; 559 ret = ath11k_core_fetch_board_data_api_n(ab, bd, boardname); 560 if (!ret) 561 goto success; 562 563 ab->bd_api = 1; 564 ret = ath11k_core_fetch_board_data_api_1(ab, bd); 565 if (ret) { 566 ath11k_err(ab, "failed to fetch board-2.bin or board.bin from %s\n", 567 ab->hw_params.fw.dir); 568 return ret; 569 } 570 571 success: 572 ath11k_dbg(ab, ATH11K_DBG_BOOT, "using board api %d\n", ab->bd_api); 573 return 0; 574 } 575 576 static void ath11k_core_stop(struct ath11k_base *ab) 577 { 578 if (!test_bit(ATH11K_FLAG_CRASH_FLUSH, &ab->dev_flags)) 579 ath11k_qmi_firmware_stop(ab); 580 581 ath11k_hif_stop(ab); 582 ath11k_wmi_detach(ab); 583 ath11k_dp_pdev_reo_cleanup(ab); 584 585 /* De-Init of components as needed */ 586 } 587 588 static int ath11k_core_soc_create(struct ath11k_base *ab) 589 { 590 int ret; 591 592 ret = ath11k_qmi_init_service(ab); 593 if (ret) { 594 ath11k_err(ab, "failed to initialize qmi :%d\n", ret); 595 return ret; 596 } 597 598 ret = ath11k_debugfs_soc_create(ab); 599 if (ret) { 600 ath11k_err(ab, "failed to create ath11k debugfs\n"); 601 goto err_qmi_deinit; 602 } 603 604 ret = ath11k_hif_power_up(ab); 605 if (ret) { 606 ath11k_err(ab, "failed to power up :%d\n", ret); 607 goto err_debugfs_reg; 608 } 609 610 return 0; 611 612 err_debugfs_reg: 613 ath11k_debugfs_soc_destroy(ab); 614 err_qmi_deinit: 615 ath11k_qmi_deinit_service(ab); 616 return ret; 617 } 618 619 static void ath11k_core_soc_destroy(struct ath11k_base *ab) 620 { 621 ath11k_debugfs_soc_destroy(ab); 622 ath11k_dp_free(ab); 623 ath11k_reg_free(ab); 624 ath11k_qmi_deinit_service(ab); 625 } 626 627 static int ath11k_core_pdev_create(struct ath11k_base *ab) 628 { 629 int ret; 630 631 ret = ath11k_debugfs_pdev_create(ab); 632 if (ret) { 633 ath11k_err(ab, "failed to create core pdev debugfs: %d\n", ret); 634 return ret; 635 } 636 637 ret = ath11k_mac_register(ab); 638 if (ret) { 639 ath11k_err(ab, "failed register the radio with mac80211: %d\n", ret); 640 goto err_pdev_debug; 641 } 642 643 ret = ath11k_dp_pdev_alloc(ab); 644 if (ret) { 645 ath11k_err(ab, "failed to attach DP pdev: %d\n", ret); 646 goto err_mac_unregister; 647 } 648 649 ret = ath11k_thermal_register(ab); 650 if (ret) { 651 ath11k_err(ab, "could not register thermal device: %d\n", 652 ret); 653 goto err_dp_pdev_free; 654 } 655 656 ret = ath11k_spectral_init(ab); 657 if (ret) { 658 ath11k_err(ab, "failed to init spectral %d\n", ret); 659 goto err_thermal_unregister; 660 } 661 662 return 0; 663 664 err_thermal_unregister: 665 ath11k_thermal_unregister(ab); 666 err_dp_pdev_free: 667 ath11k_dp_pdev_free(ab); 668 err_mac_unregister: 669 ath11k_mac_unregister(ab); 670 err_pdev_debug: 671 ath11k_debugfs_pdev_destroy(ab); 672 673 return ret; 674 } 675 676 static void ath11k_core_pdev_destroy(struct ath11k_base *ab) 677 { 678 ath11k_spectral_deinit(ab); 679 ath11k_thermal_unregister(ab); 680 ath11k_mac_unregister(ab); 681 ath11k_hif_irq_disable(ab); 682 ath11k_dp_pdev_free(ab); 683 ath11k_debugfs_pdev_destroy(ab); 684 } 685 686 static int ath11k_core_start(struct ath11k_base *ab, 687 enum ath11k_firmware_mode mode) 688 { 689 int ret; 690 691 ret = ath11k_qmi_firmware_start(ab, mode); 692 if (ret) { 693 ath11k_err(ab, "failed to attach wmi: %d\n", ret); 694 return ret; 695 } 696 697 ret = ath11k_wmi_attach(ab); 698 if (ret) { 699 ath11k_err(ab, "failed to attach wmi: %d\n", ret); 700 goto err_firmware_stop; 701 } 702 703 ret = ath11k_htc_init(ab); 704 if (ret) { 705 ath11k_err(ab, "failed to init htc: %d\n", ret); 706 goto err_wmi_detach; 707 } 708 709 ret = ath11k_hif_start(ab); 710 if (ret) { 711 ath11k_err(ab, "failed to start HIF: %d\n", ret); 712 goto err_wmi_detach; 713 } 714 715 ret = ath11k_htc_wait_target(&ab->htc); 716 if (ret) { 717 ath11k_err(ab, "failed to connect to HTC: %d\n", ret); 718 goto err_hif_stop; 719 } 720 721 ret = ath11k_dp_htt_connect(&ab->dp); 722 if (ret) { 723 ath11k_err(ab, "failed to connect to HTT: %d\n", ret); 724 goto err_hif_stop; 725 } 726 727 ret = ath11k_wmi_connect(ab); 728 if (ret) { 729 ath11k_err(ab, "failed to connect wmi: %d\n", ret); 730 goto err_hif_stop; 731 } 732 733 ret = ath11k_htc_start(&ab->htc); 734 if (ret) { 735 ath11k_err(ab, "failed to start HTC: %d\n", ret); 736 goto err_hif_stop; 737 } 738 739 ret = ath11k_wmi_wait_for_service_ready(ab); 740 if (ret) { 741 ath11k_err(ab, "failed to receive wmi service ready event: %d\n", 742 ret); 743 goto err_hif_stop; 744 } 745 746 ret = ath11k_mac_allocate(ab); 747 if (ret) { 748 ath11k_err(ab, "failed to create new hw device with mac80211 :%d\n", 749 ret); 750 goto err_hif_stop; 751 } 752 753 ath11k_dp_pdev_pre_alloc(ab); 754 755 ret = ath11k_dp_pdev_reo_setup(ab); 756 if (ret) { 757 ath11k_err(ab, "failed to initialize reo destination rings: %d\n", ret); 758 goto err_mac_destroy; 759 } 760 761 ret = ath11k_wmi_cmd_init(ab); 762 if (ret) { 763 ath11k_err(ab, "failed to send wmi init cmd: %d\n", ret); 764 goto err_reo_cleanup; 765 } 766 767 ret = ath11k_wmi_wait_for_unified_ready(ab); 768 if (ret) { 769 ath11k_err(ab, "failed to receive wmi unified ready event: %d\n", 770 ret); 771 goto err_reo_cleanup; 772 } 773 774 /* put hardware to DBS mode */ 775 if (ab->hw_params.single_pdev_only) { 776 ret = ath11k_wmi_set_hw_mode(ab, WMI_HOST_HW_MODE_DBS); 777 if (ret) { 778 ath11k_err(ab, "failed to send dbs mode: %d\n", ret); 779 goto err_hif_stop; 780 } 781 } 782 783 ret = ath11k_dp_tx_htt_h2t_ver_req_msg(ab); 784 if (ret) { 785 ath11k_err(ab, "failed to send htt version request message: %d\n", 786 ret); 787 goto err_reo_cleanup; 788 } 789 790 return 0; 791 792 err_reo_cleanup: 793 ath11k_dp_pdev_reo_cleanup(ab); 794 err_mac_destroy: 795 ath11k_mac_destroy(ab); 796 err_hif_stop: 797 ath11k_hif_stop(ab); 798 err_wmi_detach: 799 ath11k_wmi_detach(ab); 800 err_firmware_stop: 801 ath11k_qmi_firmware_stop(ab); 802 803 return ret; 804 } 805 806 int ath11k_core_qmi_firmware_ready(struct ath11k_base *ab) 807 { 808 int ret; 809 810 ret = ath11k_ce_init_pipes(ab); 811 if (ret) { 812 ath11k_err(ab, "failed to initialize CE: %d\n", ret); 813 return ret; 814 } 815 816 ret = ath11k_dp_alloc(ab); 817 if (ret) { 818 ath11k_err(ab, "failed to init DP: %d\n", ret); 819 return ret; 820 } 821 822 switch (ath11k_crypto_mode) { 823 case ATH11K_CRYPT_MODE_SW: 824 set_bit(ATH11K_FLAG_HW_CRYPTO_DISABLED, &ab->dev_flags); 825 set_bit(ATH11K_FLAG_RAW_MODE, &ab->dev_flags); 826 break; 827 case ATH11K_CRYPT_MODE_HW: 828 clear_bit(ATH11K_FLAG_HW_CRYPTO_DISABLED, &ab->dev_flags); 829 clear_bit(ATH11K_FLAG_RAW_MODE, &ab->dev_flags); 830 break; 831 default: 832 ath11k_info(ab, "invalid crypto_mode: %d\n", ath11k_crypto_mode); 833 return -EINVAL; 834 } 835 836 if (ath11k_frame_mode == ATH11K_HW_TXRX_RAW) 837 set_bit(ATH11K_FLAG_RAW_MODE, &ab->dev_flags); 838 839 mutex_lock(&ab->core_lock); 840 ret = ath11k_core_start(ab, ATH11K_FIRMWARE_MODE_NORMAL); 841 if (ret) { 842 ath11k_err(ab, "failed to start core: %d\n", ret); 843 goto err_dp_free; 844 } 845 846 ret = ath11k_core_pdev_create(ab); 847 if (ret) { 848 ath11k_err(ab, "failed to create pdev core: %d\n", ret); 849 goto err_core_stop; 850 } 851 ath11k_hif_irq_enable(ab); 852 mutex_unlock(&ab->core_lock); 853 854 return 0; 855 856 err_core_stop: 857 ath11k_core_stop(ab); 858 ath11k_mac_destroy(ab); 859 err_dp_free: 860 ath11k_dp_free(ab); 861 mutex_unlock(&ab->core_lock); 862 return ret; 863 } 864 865 static int ath11k_core_reconfigure_on_crash(struct ath11k_base *ab) 866 { 867 int ret; 868 869 mutex_lock(&ab->core_lock); 870 ath11k_thermal_unregister(ab); 871 ath11k_hif_irq_disable(ab); 872 ath11k_dp_pdev_free(ab); 873 ath11k_spectral_deinit(ab); 874 ath11k_hif_stop(ab); 875 ath11k_wmi_detach(ab); 876 ath11k_dp_pdev_reo_cleanup(ab); 877 mutex_unlock(&ab->core_lock); 878 879 ath11k_dp_free(ab); 880 ath11k_hal_srng_deinit(ab); 881 882 ab->free_vdev_map = (1LL << (ab->num_radios * TARGET_NUM_VDEVS)) - 1; 883 884 ret = ath11k_hal_srng_init(ab); 885 if (ret) 886 return ret; 887 888 clear_bit(ATH11K_FLAG_CRASH_FLUSH, &ab->dev_flags); 889 890 ret = ath11k_core_qmi_firmware_ready(ab); 891 if (ret) 892 goto err_hal_srng_deinit; 893 894 clear_bit(ATH11K_FLAG_RECOVERY, &ab->dev_flags); 895 896 return 0; 897 898 err_hal_srng_deinit: 899 ath11k_hal_srng_deinit(ab); 900 return ret; 901 } 902 903 void ath11k_core_halt(struct ath11k *ar) 904 { 905 struct ath11k_base *ab = ar->ab; 906 907 lockdep_assert_held(&ar->conf_mutex); 908 909 ar->num_created_vdevs = 0; 910 ar->allocated_vdev_map = 0; 911 912 ath11k_mac_scan_finish(ar); 913 ath11k_mac_peer_cleanup_all(ar); 914 cancel_delayed_work_sync(&ar->scan.timeout); 915 cancel_work_sync(&ar->regd_update_work); 916 917 rcu_assign_pointer(ab->pdevs_active[ar->pdev_idx], NULL); 918 synchronize_rcu(); 919 INIT_LIST_HEAD(&ar->arvifs); 920 idr_init(&ar->txmgmt_idr); 921 } 922 923 static void ath11k_core_restart(struct work_struct *work) 924 { 925 struct ath11k_base *ab = container_of(work, struct ath11k_base, restart_work); 926 struct ath11k *ar; 927 struct ath11k_pdev *pdev; 928 int i, ret = 0; 929 930 spin_lock_bh(&ab->base_lock); 931 ab->stats.fw_crash_counter++; 932 spin_unlock_bh(&ab->base_lock); 933 934 for (i = 0; i < ab->num_radios; i++) { 935 pdev = &ab->pdevs[i]; 936 ar = pdev->ar; 937 if (!ar || ar->state == ATH11K_STATE_OFF) 938 continue; 939 940 ieee80211_stop_queues(ar->hw); 941 ath11k_mac_drain_tx(ar); 942 complete(&ar->scan.started); 943 complete(&ar->scan.completed); 944 complete(&ar->peer_assoc_done); 945 complete(&ar->peer_delete_done); 946 complete(&ar->install_key_done); 947 complete(&ar->vdev_setup_done); 948 complete(&ar->vdev_delete_done); 949 complete(&ar->bss_survey_done); 950 complete(&ar->thermal.wmi_sync); 951 952 wake_up(&ar->dp.tx_empty_waitq); 953 idr_for_each(&ar->txmgmt_idr, 954 ath11k_mac_tx_mgmt_pending_free, ar); 955 idr_destroy(&ar->txmgmt_idr); 956 } 957 958 wake_up(&ab->wmi_ab.tx_credits_wq); 959 wake_up(&ab->peer_mapping_wq); 960 961 ret = ath11k_core_reconfigure_on_crash(ab); 962 if (ret) { 963 ath11k_err(ab, "failed to reconfigure driver on crash recovery\n"); 964 return; 965 } 966 967 for (i = 0; i < ab->num_radios; i++) { 968 pdev = &ab->pdevs[i]; 969 ar = pdev->ar; 970 if (!ar || ar->state == ATH11K_STATE_OFF) 971 continue; 972 973 mutex_lock(&ar->conf_mutex); 974 975 switch (ar->state) { 976 case ATH11K_STATE_ON: 977 ar->state = ATH11K_STATE_RESTARTING; 978 ath11k_core_halt(ar); 979 ieee80211_restart_hw(ar->hw); 980 break; 981 case ATH11K_STATE_OFF: 982 ath11k_warn(ab, 983 "cannot restart radio %d that hasn't been started\n", 984 i); 985 break; 986 case ATH11K_STATE_RESTARTING: 987 break; 988 case ATH11K_STATE_RESTARTED: 989 ar->state = ATH11K_STATE_WEDGED; 990 fallthrough; 991 case ATH11K_STATE_WEDGED: 992 ath11k_warn(ab, 993 "device is wedged, will not restart radio %d\n", i); 994 break; 995 } 996 mutex_unlock(&ar->conf_mutex); 997 } 998 complete(&ab->driver_recovery); 999 } 1000 1001 static int ath11k_init_hw_params(struct ath11k_base *ab) 1002 { 1003 const struct ath11k_hw_params *hw_params = NULL; 1004 int i; 1005 1006 for (i = 0; i < ARRAY_SIZE(ath11k_hw_params); i++) { 1007 hw_params = &ath11k_hw_params[i]; 1008 1009 if (hw_params->hw_rev == ab->hw_rev) 1010 break; 1011 } 1012 1013 if (i == ARRAY_SIZE(ath11k_hw_params)) { 1014 ath11k_err(ab, "Unsupported hardware version: 0x%x\n", ab->hw_rev); 1015 return -EINVAL; 1016 } 1017 1018 ab->hw_params = *hw_params; 1019 1020 ath11k_info(ab, "%s\n", ab->hw_params.name); 1021 1022 return 0; 1023 } 1024 1025 int ath11k_core_pre_init(struct ath11k_base *ab) 1026 { 1027 int ret; 1028 1029 ret = ath11k_init_hw_params(ab); 1030 if (ret) { 1031 ath11k_err(ab, "failed to get hw params: %d\n", ret); 1032 return ret; 1033 } 1034 1035 return 0; 1036 } 1037 EXPORT_SYMBOL(ath11k_core_pre_init); 1038 1039 int ath11k_core_init(struct ath11k_base *ab) 1040 { 1041 int ret; 1042 1043 ret = ath11k_core_soc_create(ab); 1044 if (ret) { 1045 ath11k_err(ab, "failed to create soc core: %d\n", ret); 1046 return ret; 1047 } 1048 1049 return 0; 1050 } 1051 EXPORT_SYMBOL(ath11k_core_init); 1052 1053 void ath11k_core_deinit(struct ath11k_base *ab) 1054 { 1055 mutex_lock(&ab->core_lock); 1056 1057 ath11k_core_pdev_destroy(ab); 1058 ath11k_core_stop(ab); 1059 1060 mutex_unlock(&ab->core_lock); 1061 1062 ath11k_hif_power_down(ab); 1063 ath11k_mac_destroy(ab); 1064 ath11k_core_soc_destroy(ab); 1065 } 1066 EXPORT_SYMBOL(ath11k_core_deinit); 1067 1068 void ath11k_core_free(struct ath11k_base *ab) 1069 { 1070 kfree(ab); 1071 } 1072 EXPORT_SYMBOL(ath11k_core_free); 1073 1074 struct ath11k_base *ath11k_core_alloc(struct device *dev, size_t priv_size, 1075 enum ath11k_bus bus, 1076 const struct ath11k_bus_params *bus_params) 1077 { 1078 struct ath11k_base *ab; 1079 1080 ab = kzalloc(sizeof(*ab) + priv_size, GFP_KERNEL); 1081 if (!ab) 1082 return NULL; 1083 1084 init_completion(&ab->driver_recovery); 1085 1086 ab->workqueue = create_singlethread_workqueue("ath11k_wq"); 1087 if (!ab->workqueue) 1088 goto err_sc_free; 1089 1090 mutex_init(&ab->core_lock); 1091 spin_lock_init(&ab->base_lock); 1092 1093 INIT_LIST_HEAD(&ab->peers); 1094 init_waitqueue_head(&ab->peer_mapping_wq); 1095 init_waitqueue_head(&ab->wmi_ab.tx_credits_wq); 1096 init_waitqueue_head(&ab->qmi.cold_boot_waitq); 1097 INIT_WORK(&ab->restart_work, ath11k_core_restart); 1098 timer_setup(&ab->rx_replenish_retry, ath11k_ce_rx_replenish_retry, 0); 1099 init_completion(&ab->htc_suspend); 1100 init_completion(&ab->wow.wakeup_completed); 1101 1102 ab->dev = dev; 1103 ab->bus_params = *bus_params; 1104 ab->hif.bus = bus; 1105 1106 return ab; 1107 1108 err_sc_free: 1109 kfree(ab); 1110 return NULL; 1111 } 1112 EXPORT_SYMBOL(ath11k_core_alloc); 1113 1114 MODULE_DESCRIPTION("Core module for Qualcomm Atheros 802.11ax wireless LAN cards."); 1115 MODULE_LICENSE("Dual BSD/GPL"); 1116