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_offset = 128 * 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 62 .spectral = { 63 .fft_sz = 2, 64 /* HW bug, expected BIN size is 2 bytes but HW report as 4 bytes. 65 * so added pad size as 2 bytes to compensate the BIN size 66 */ 67 .fft_pad_sz = 2, 68 .summary_pad_sz = 0, 69 .fft_hdr_len = 16, 70 .max_fft_bins = 512, 71 }, 72 73 .interface_modes = BIT(NL80211_IFTYPE_STATION) | 74 BIT(NL80211_IFTYPE_AP) | 75 BIT(NL80211_IFTYPE_MESH_POINT), 76 .supports_monitor = true, 77 .supports_shadow_regs = false, 78 .idle_ps = false, 79 .cold_boot_calib = true, 80 .supports_suspend = false, 81 .hal_desc_sz = sizeof(struct hal_rx_desc_ipq8074), 82 .fix_l1ss = true, 83 .max_tx_ring = DP_TCL_NUM_RING_MAX, 84 }, 85 { 86 .hw_rev = ATH11K_HW_IPQ6018_HW10, 87 .name = "ipq6018 hw1.0", 88 .fw = { 89 .dir = "IPQ6018/hw1.0", 90 .board_size = 256 * 1024, 91 .cal_offset = 128 * 1024, 92 }, 93 .max_radios = 2, 94 .bdf_addr = 0x4ABC0000, 95 .hw_ops = &ipq6018_ops, 96 .ring_mask = &ath11k_hw_ring_mask_ipq8074, 97 .internal_sleep_clock = false, 98 .regs = &ipq8074_regs, 99 .qmi_service_ins_id = ATH11K_QMI_WLFW_SERVICE_INS_ID_V01_IPQ8074, 100 .host_ce_config = ath11k_host_ce_config_ipq8074, 101 .ce_count = 12, 102 .target_ce_config = ath11k_target_ce_config_wlan_ipq8074, 103 .target_ce_count = 11, 104 .svc_to_ce_map = ath11k_target_service_to_ce_map_wlan_ipq6018, 105 .svc_to_ce_map_len = 19, 106 .single_pdev_only = false, 107 .rxdma1_enable = true, 108 .num_rxmda_per_pdev = 1, 109 .rx_mac_buf_ring = false, 110 .vdev_start_delay = false, 111 .htt_peer_map_v2 = true, 112 113 .spectral = { 114 .fft_sz = 4, 115 .fft_pad_sz = 0, 116 .summary_pad_sz = 0, 117 .fft_hdr_len = 16, 118 .max_fft_bins = 512, 119 }, 120 121 .interface_modes = BIT(NL80211_IFTYPE_STATION) | 122 BIT(NL80211_IFTYPE_AP) | 123 BIT(NL80211_IFTYPE_MESH_POINT), 124 .supports_monitor = true, 125 .supports_shadow_regs = false, 126 .idle_ps = false, 127 .cold_boot_calib = true, 128 .supports_suspend = false, 129 .hal_desc_sz = sizeof(struct hal_rx_desc_ipq8074), 130 .fix_l1ss = true, 131 .max_tx_ring = DP_TCL_NUM_RING_MAX, 132 }, 133 { 134 .name = "qca6390 hw2.0", 135 .hw_rev = ATH11K_HW_QCA6390_HW20, 136 .fw = { 137 .dir = "QCA6390/hw2.0", 138 .board_size = 256 * 1024, 139 .cal_offset = 128 * 1024, 140 }, 141 .max_radios = 3, 142 .bdf_addr = 0x4B0C0000, 143 .hw_ops = &qca6390_ops, 144 .ring_mask = &ath11k_hw_ring_mask_qca6390, 145 .internal_sleep_clock = true, 146 .regs = &qca6390_regs, 147 .qmi_service_ins_id = ATH11K_QMI_WLFW_SERVICE_INS_ID_V01_QCA6390, 148 .host_ce_config = ath11k_host_ce_config_qca6390, 149 .ce_count = 9, 150 .target_ce_config = ath11k_target_ce_config_wlan_qca6390, 151 .target_ce_count = 9, 152 .svc_to_ce_map = ath11k_target_service_to_ce_map_wlan_qca6390, 153 .svc_to_ce_map_len = 14, 154 .single_pdev_only = true, 155 .rxdma1_enable = false, 156 .num_rxmda_per_pdev = 2, 157 .rx_mac_buf_ring = true, 158 .vdev_start_delay = true, 159 .htt_peer_map_v2 = false, 160 161 .spectral = { 162 .fft_sz = 0, 163 .fft_pad_sz = 0, 164 .summary_pad_sz = 0, 165 .fft_hdr_len = 0, 166 .max_fft_bins = 0, 167 }, 168 169 .interface_modes = BIT(NL80211_IFTYPE_STATION) | 170 BIT(NL80211_IFTYPE_AP), 171 .supports_monitor = false, 172 .supports_shadow_regs = true, 173 .idle_ps = true, 174 .cold_boot_calib = false, 175 .supports_suspend = true, 176 .hal_desc_sz = sizeof(struct hal_rx_desc_ipq8074), 177 .fix_l1ss = true, 178 .max_tx_ring = DP_TCL_NUM_RING_MAX_QCA6390, 179 }, 180 { 181 .name = "qcn9074 hw1.0", 182 .hw_rev = ATH11K_HW_QCN9074_HW10, 183 .fw = { 184 .dir = "QCN9074/hw1.0", 185 .board_size = 256 * 1024, 186 .cal_offset = 128 * 1024, 187 }, 188 .max_radios = 1, 189 .single_pdev_only = false, 190 .qmi_service_ins_id = ATH11K_QMI_WLFW_SERVICE_INS_ID_V01_QCN9074, 191 .hw_ops = &qcn9074_ops, 192 .ring_mask = &ath11k_hw_ring_mask_qcn9074, 193 .internal_sleep_clock = false, 194 .regs = &qcn9074_regs, 195 .host_ce_config = ath11k_host_ce_config_qcn9074, 196 .ce_count = 6, 197 .target_ce_config = ath11k_target_ce_config_wlan_qcn9074, 198 .target_ce_count = 9, 199 .svc_to_ce_map = ath11k_target_service_to_ce_map_wlan_qcn9074, 200 .svc_to_ce_map_len = 18, 201 .rxdma1_enable = true, 202 .num_rxmda_per_pdev = 1, 203 .rx_mac_buf_ring = false, 204 .vdev_start_delay = false, 205 .htt_peer_map_v2 = true, 206 207 .spectral = { 208 .fft_sz = 2, 209 .fft_pad_sz = 0, 210 .summary_pad_sz = 16, 211 .fft_hdr_len = 24, 212 .max_fft_bins = 1024, 213 }, 214 215 .interface_modes = BIT(NL80211_IFTYPE_STATION) | 216 BIT(NL80211_IFTYPE_AP) | 217 BIT(NL80211_IFTYPE_MESH_POINT), 218 .supports_monitor = true, 219 .supports_shadow_regs = false, 220 .idle_ps = false, 221 .cold_boot_calib = false, 222 .supports_suspend = false, 223 .hal_desc_sz = sizeof(struct hal_rx_desc_qcn9074), 224 .fix_l1ss = true, 225 .max_tx_ring = DP_TCL_NUM_RING_MAX, 226 }, 227 { 228 .name = "wcn6855 hw2.0", 229 .hw_rev = ATH11K_HW_WCN6855_HW20, 230 .fw = { 231 .dir = "WCN6855/hw2.0", 232 .board_size = 256 * 1024, 233 .cal_offset = 128 * 1024, 234 }, 235 .max_radios = 3, 236 .bdf_addr = 0x4B0C0000, 237 .hw_ops = &wcn6855_ops, 238 .ring_mask = &ath11k_hw_ring_mask_qca6390, 239 .internal_sleep_clock = true, 240 .regs = &wcn6855_regs, 241 .qmi_service_ins_id = ATH11K_QMI_WLFW_SERVICE_INS_ID_V01_QCA6390, 242 .host_ce_config = ath11k_host_ce_config_qca6390, 243 .ce_count = 9, 244 .target_ce_config = ath11k_target_ce_config_wlan_qca6390, 245 .target_ce_count = 9, 246 .svc_to_ce_map = ath11k_target_service_to_ce_map_wlan_qca6390, 247 .svc_to_ce_map_len = 14, 248 .single_pdev_only = true, 249 .rxdma1_enable = false, 250 .num_rxmda_per_pdev = 2, 251 .rx_mac_buf_ring = true, 252 .vdev_start_delay = true, 253 .htt_peer_map_v2 = false, 254 255 .spectral = { 256 .fft_sz = 0, 257 .fft_pad_sz = 0, 258 .summary_pad_sz = 0, 259 .fft_hdr_len = 0, 260 .max_fft_bins = 0, 261 }, 262 263 .interface_modes = BIT(NL80211_IFTYPE_STATION) | 264 BIT(NL80211_IFTYPE_AP), 265 .supports_monitor = false, 266 .supports_shadow_regs = true, 267 .idle_ps = true, 268 .cold_boot_calib = false, 269 .supports_suspend = true, 270 .hal_desc_sz = sizeof(struct hal_rx_desc_wcn6855), 271 .fix_l1ss = false, 272 .max_tx_ring = DP_TCL_NUM_RING_MAX_QCA6390, 273 }, 274 }; 275 276 int ath11k_core_suspend(struct ath11k_base *ab) 277 { 278 int ret; 279 280 if (!ab->hw_params.supports_suspend) 281 return -EOPNOTSUPP; 282 283 /* TODO: there can frames in queues so for now add delay as a hack. 284 * Need to implement to handle and remove this delay. 285 */ 286 msleep(500); 287 288 ret = ath11k_dp_rx_pktlog_stop(ab, true); 289 if (ret) { 290 ath11k_warn(ab, "failed to stop dp rx (and timer) pktlog during suspend: %d\n", 291 ret); 292 return ret; 293 } 294 295 ret = ath11k_wow_enable(ab); 296 if (ret) { 297 ath11k_warn(ab, "failed to enable wow during suspend: %d\n", ret); 298 return ret; 299 } 300 301 ret = ath11k_dp_rx_pktlog_stop(ab, false); 302 if (ret) { 303 ath11k_warn(ab, "failed to stop dp rx pktlog during suspend: %d\n", 304 ret); 305 return ret; 306 } 307 308 ath11k_ce_stop_shadow_timers(ab); 309 ath11k_dp_stop_shadow_timers(ab); 310 311 ath11k_hif_irq_disable(ab); 312 ath11k_hif_ce_irq_disable(ab); 313 314 ret = ath11k_hif_suspend(ab); 315 if (ret) { 316 ath11k_warn(ab, "failed to suspend hif: %d\n", ret); 317 return ret; 318 } 319 320 return 0; 321 } 322 EXPORT_SYMBOL(ath11k_core_suspend); 323 324 int ath11k_core_resume(struct ath11k_base *ab) 325 { 326 int ret; 327 328 if (!ab->hw_params.supports_suspend) 329 return -EOPNOTSUPP; 330 331 ret = ath11k_hif_resume(ab); 332 if (ret) { 333 ath11k_warn(ab, "failed to resume hif during resume: %d\n", ret); 334 return ret; 335 } 336 337 ath11k_hif_ce_irq_enable(ab); 338 ath11k_hif_irq_enable(ab); 339 340 ret = ath11k_dp_rx_pktlog_start(ab); 341 if (ret) { 342 ath11k_warn(ab, "failed to start rx pktlog during resume: %d\n", 343 ret); 344 return ret; 345 } 346 347 ret = ath11k_wow_wakeup(ab); 348 if (ret) { 349 ath11k_warn(ab, "failed to wakeup wow during resume: %d\n", ret); 350 return ret; 351 } 352 353 return 0; 354 } 355 EXPORT_SYMBOL(ath11k_core_resume); 356 357 int ath11k_core_check_dt(struct ath11k_base *ab) 358 { 359 size_t max_len = sizeof(ab->qmi.target.bdf_ext); 360 const char *variant = NULL; 361 struct device_node *node; 362 363 node = ab->dev->of_node; 364 if (!node) 365 return -ENOENT; 366 367 of_property_read_string(node, "qcom,ath11k-calibration-variant", 368 &variant); 369 if (!variant) 370 return -ENODATA; 371 372 if (strscpy(ab->qmi.target.bdf_ext, variant, max_len) < 0) 373 ath11k_dbg(ab, ATH11K_DBG_BOOT, 374 "bdf variant string is longer than the buffer can accommodate (variant: %s)\n", 375 variant); 376 377 return 0; 378 } 379 380 static int ath11k_core_create_board_name(struct ath11k_base *ab, char *name, 381 size_t name_len) 382 { 383 /* strlen(',variant=') + strlen(ab->qmi.target.bdf_ext) */ 384 char variant[9 + ATH11K_QMI_BDF_EXT_STR_LENGTH] = { 0 }; 385 386 if (ab->qmi.target.bdf_ext[0] != '\0') 387 scnprintf(variant, sizeof(variant), ",variant=%s", 388 ab->qmi.target.bdf_ext); 389 390 scnprintf(name, name_len, 391 "bus=%s,qmi-chip-id=%d,qmi-board-id=%d%s", 392 ath11k_bus_str(ab->hif.bus), 393 ab->qmi.target.chip_id, 394 ab->qmi.target.board_id, variant); 395 396 ath11k_dbg(ab, ATH11K_DBG_BOOT, "boot using board name '%s'\n", name); 397 398 return 0; 399 } 400 401 const struct firmware *ath11k_core_firmware_request(struct ath11k_base *ab, 402 const char *file) 403 { 404 const struct firmware *fw; 405 char path[100]; 406 int ret; 407 408 if (file == NULL) 409 return ERR_PTR(-ENOENT); 410 411 ath11k_core_create_firmware_path(ab, file, path, sizeof(path)); 412 413 ret = firmware_request_nowarn(&fw, path, ab->dev); 414 if (ret) 415 return ERR_PTR(ret); 416 417 ath11k_dbg(ab, ATH11K_DBG_BOOT, "boot firmware request %s size %zu\n", 418 path, fw->size); 419 420 return fw; 421 } 422 423 void ath11k_core_free_bdf(struct ath11k_base *ab, struct ath11k_board_data *bd) 424 { 425 if (!IS_ERR(bd->fw)) 426 release_firmware(bd->fw); 427 428 memset(bd, 0, sizeof(*bd)); 429 } 430 431 static int ath11k_core_parse_bd_ie_board(struct ath11k_base *ab, 432 struct ath11k_board_data *bd, 433 const void *buf, size_t buf_len, 434 const char *boardname, 435 int bd_ie_type) 436 { 437 const struct ath11k_fw_ie *hdr; 438 bool name_match_found; 439 int ret, board_ie_id; 440 size_t board_ie_len; 441 const void *board_ie_data; 442 443 name_match_found = false; 444 445 /* go through ATH11K_BD_IE_BOARD_ elements */ 446 while (buf_len > sizeof(struct ath11k_fw_ie)) { 447 hdr = buf; 448 board_ie_id = le32_to_cpu(hdr->id); 449 board_ie_len = le32_to_cpu(hdr->len); 450 board_ie_data = hdr->data; 451 452 buf_len -= sizeof(*hdr); 453 buf += sizeof(*hdr); 454 455 if (buf_len < ALIGN(board_ie_len, 4)) { 456 ath11k_err(ab, "invalid ATH11K_BD_IE_BOARD length: %zu < %zu\n", 457 buf_len, ALIGN(board_ie_len, 4)); 458 ret = -EINVAL; 459 goto out; 460 } 461 462 switch (board_ie_id) { 463 case ATH11K_BD_IE_BOARD_NAME: 464 ath11k_dbg_dump(ab, ATH11K_DBG_BOOT, "board name", "", 465 board_ie_data, board_ie_len); 466 467 if (board_ie_len != strlen(boardname)) 468 break; 469 470 ret = memcmp(board_ie_data, boardname, strlen(boardname)); 471 if (ret) 472 break; 473 474 name_match_found = true; 475 ath11k_dbg(ab, ATH11K_DBG_BOOT, 476 "boot found match for name '%s'", 477 boardname); 478 break; 479 case ATH11K_BD_IE_BOARD_DATA: 480 if (!name_match_found) 481 /* no match found */ 482 break; 483 484 ath11k_dbg(ab, ATH11K_DBG_BOOT, 485 "boot found board data for '%s'", boardname); 486 487 bd->data = board_ie_data; 488 bd->len = board_ie_len; 489 490 ret = 0; 491 goto out; 492 default: 493 ath11k_warn(ab, "unknown ATH11K_BD_IE_BOARD found: %d\n", 494 board_ie_id); 495 break; 496 } 497 498 /* jump over the padding */ 499 board_ie_len = ALIGN(board_ie_len, 4); 500 501 buf_len -= board_ie_len; 502 buf += board_ie_len; 503 } 504 505 /* no match found */ 506 ret = -ENOENT; 507 508 out: 509 return ret; 510 } 511 512 static int ath11k_core_fetch_board_data_api_n(struct ath11k_base *ab, 513 struct ath11k_board_data *bd, 514 const char *boardname) 515 { 516 size_t len, magic_len; 517 const u8 *data; 518 char *filename, filepath[100]; 519 size_t ie_len; 520 struct ath11k_fw_ie *hdr; 521 int ret, ie_id; 522 523 filename = ATH11K_BOARD_API2_FILE; 524 525 if (!bd->fw) 526 bd->fw = ath11k_core_firmware_request(ab, filename); 527 528 if (IS_ERR(bd->fw)) 529 return PTR_ERR(bd->fw); 530 531 data = bd->fw->data; 532 len = bd->fw->size; 533 534 ath11k_core_create_firmware_path(ab, filename, 535 filepath, sizeof(filepath)); 536 537 /* magic has extra null byte padded */ 538 magic_len = strlen(ATH11K_BOARD_MAGIC) + 1; 539 if (len < magic_len) { 540 ath11k_err(ab, "failed to find magic value in %s, file too short: %zu\n", 541 filepath, len); 542 ret = -EINVAL; 543 goto err; 544 } 545 546 if (memcmp(data, ATH11K_BOARD_MAGIC, magic_len)) { 547 ath11k_err(ab, "found invalid board magic\n"); 548 ret = -EINVAL; 549 goto err; 550 } 551 552 /* magic is padded to 4 bytes */ 553 magic_len = ALIGN(magic_len, 4); 554 if (len < magic_len) { 555 ath11k_err(ab, "failed: %s too small to contain board data, len: %zu\n", 556 filepath, len); 557 ret = -EINVAL; 558 goto err; 559 } 560 561 data += magic_len; 562 len -= magic_len; 563 564 while (len > sizeof(struct ath11k_fw_ie)) { 565 hdr = (struct ath11k_fw_ie *)data; 566 ie_id = le32_to_cpu(hdr->id); 567 ie_len = le32_to_cpu(hdr->len); 568 569 len -= sizeof(*hdr); 570 data = hdr->data; 571 572 if (len < ALIGN(ie_len, 4)) { 573 ath11k_err(ab, "invalid length for board ie_id %d ie_len %zu len %zu\n", 574 ie_id, ie_len, len); 575 ret = -EINVAL; 576 goto err; 577 } 578 579 switch (ie_id) { 580 case ATH11K_BD_IE_BOARD: 581 ret = ath11k_core_parse_bd_ie_board(ab, bd, data, 582 ie_len, 583 boardname, 584 ATH11K_BD_IE_BOARD); 585 if (ret == -ENOENT) 586 /* no match found, continue */ 587 break; 588 else if (ret) 589 /* there was an error, bail out */ 590 goto err; 591 /* either found or error, so stop searching */ 592 goto out; 593 } 594 595 /* jump over the padding */ 596 ie_len = ALIGN(ie_len, 4); 597 598 len -= ie_len; 599 data += ie_len; 600 } 601 602 out: 603 if (!bd->data || !bd->len) { 604 ath11k_err(ab, 605 "failed to fetch board data for %s from %s\n", 606 boardname, filepath); 607 ret = -ENODATA; 608 goto err; 609 } 610 611 return 0; 612 613 err: 614 ath11k_core_free_bdf(ab, bd); 615 return ret; 616 } 617 618 static int ath11k_core_fetch_board_data_api_1(struct ath11k_base *ab, 619 struct ath11k_board_data *bd) 620 { 621 bd->fw = ath11k_core_firmware_request(ab, ATH11K_DEFAULT_BOARD_FILE); 622 if (IS_ERR(bd->fw)) 623 return PTR_ERR(bd->fw); 624 625 bd->data = bd->fw->data; 626 bd->len = bd->fw->size; 627 628 return 0; 629 } 630 631 #define BOARD_NAME_SIZE 100 632 int ath11k_core_fetch_bdf(struct ath11k_base *ab, struct ath11k_board_data *bd) 633 { 634 char boardname[BOARD_NAME_SIZE]; 635 int ret; 636 637 ret = ath11k_core_create_board_name(ab, boardname, BOARD_NAME_SIZE); 638 if (ret) { 639 ath11k_err(ab, "failed to create board name: %d", ret); 640 return ret; 641 } 642 643 ab->bd_api = 2; 644 ret = ath11k_core_fetch_board_data_api_n(ab, bd, boardname); 645 if (!ret) 646 goto success; 647 648 ab->bd_api = 1; 649 ret = ath11k_core_fetch_board_data_api_1(ab, bd); 650 if (ret) { 651 ath11k_err(ab, "failed to fetch board-2.bin or board.bin from %s\n", 652 ab->hw_params.fw.dir); 653 return ret; 654 } 655 656 success: 657 ath11k_dbg(ab, ATH11K_DBG_BOOT, "using board api %d\n", ab->bd_api); 658 return 0; 659 } 660 661 static void ath11k_core_stop(struct ath11k_base *ab) 662 { 663 if (!test_bit(ATH11K_FLAG_CRASH_FLUSH, &ab->dev_flags)) 664 ath11k_qmi_firmware_stop(ab); 665 666 ath11k_hif_stop(ab); 667 ath11k_wmi_detach(ab); 668 ath11k_dp_pdev_reo_cleanup(ab); 669 670 /* De-Init of components as needed */ 671 } 672 673 static int ath11k_core_soc_create(struct ath11k_base *ab) 674 { 675 int ret; 676 677 ret = ath11k_qmi_init_service(ab); 678 if (ret) { 679 ath11k_err(ab, "failed to initialize qmi :%d\n", ret); 680 return ret; 681 } 682 683 ret = ath11k_debugfs_soc_create(ab); 684 if (ret) { 685 ath11k_err(ab, "failed to create ath11k debugfs\n"); 686 goto err_qmi_deinit; 687 } 688 689 ret = ath11k_hif_power_up(ab); 690 if (ret) { 691 ath11k_err(ab, "failed to power up :%d\n", ret); 692 goto err_debugfs_reg; 693 } 694 695 return 0; 696 697 err_debugfs_reg: 698 ath11k_debugfs_soc_destroy(ab); 699 err_qmi_deinit: 700 ath11k_qmi_deinit_service(ab); 701 return ret; 702 } 703 704 static void ath11k_core_soc_destroy(struct ath11k_base *ab) 705 { 706 ath11k_debugfs_soc_destroy(ab); 707 ath11k_dp_free(ab); 708 ath11k_reg_free(ab); 709 ath11k_qmi_deinit_service(ab); 710 } 711 712 static int ath11k_core_pdev_create(struct ath11k_base *ab) 713 { 714 int ret; 715 716 ret = ath11k_debugfs_pdev_create(ab); 717 if (ret) { 718 ath11k_err(ab, "failed to create core pdev debugfs: %d\n", ret); 719 return ret; 720 } 721 722 ret = ath11k_mac_register(ab); 723 if (ret) { 724 ath11k_err(ab, "failed register the radio with mac80211: %d\n", ret); 725 goto err_pdev_debug; 726 } 727 728 ret = ath11k_dp_pdev_alloc(ab); 729 if (ret) { 730 ath11k_err(ab, "failed to attach DP pdev: %d\n", ret); 731 goto err_mac_unregister; 732 } 733 734 ret = ath11k_thermal_register(ab); 735 if (ret) { 736 ath11k_err(ab, "could not register thermal device: %d\n", 737 ret); 738 goto err_dp_pdev_free; 739 } 740 741 ret = ath11k_spectral_init(ab); 742 if (ret) { 743 ath11k_err(ab, "failed to init spectral %d\n", ret); 744 goto err_thermal_unregister; 745 } 746 747 return 0; 748 749 err_thermal_unregister: 750 ath11k_thermal_unregister(ab); 751 err_dp_pdev_free: 752 ath11k_dp_pdev_free(ab); 753 err_mac_unregister: 754 ath11k_mac_unregister(ab); 755 err_pdev_debug: 756 ath11k_debugfs_pdev_destroy(ab); 757 758 return ret; 759 } 760 761 static void ath11k_core_pdev_destroy(struct ath11k_base *ab) 762 { 763 ath11k_spectral_deinit(ab); 764 ath11k_thermal_unregister(ab); 765 ath11k_mac_unregister(ab); 766 ath11k_hif_irq_disable(ab); 767 ath11k_dp_pdev_free(ab); 768 ath11k_debugfs_pdev_destroy(ab); 769 } 770 771 static int ath11k_core_start(struct ath11k_base *ab, 772 enum ath11k_firmware_mode mode) 773 { 774 int ret; 775 776 ret = ath11k_qmi_firmware_start(ab, mode); 777 if (ret) { 778 ath11k_err(ab, "failed to attach wmi: %d\n", ret); 779 return ret; 780 } 781 782 ret = ath11k_wmi_attach(ab); 783 if (ret) { 784 ath11k_err(ab, "failed to attach wmi: %d\n", ret); 785 goto err_firmware_stop; 786 } 787 788 ret = ath11k_htc_init(ab); 789 if (ret) { 790 ath11k_err(ab, "failed to init htc: %d\n", ret); 791 goto err_wmi_detach; 792 } 793 794 ret = ath11k_hif_start(ab); 795 if (ret) { 796 ath11k_err(ab, "failed to start HIF: %d\n", ret); 797 goto err_wmi_detach; 798 } 799 800 ret = ath11k_htc_wait_target(&ab->htc); 801 if (ret) { 802 ath11k_err(ab, "failed to connect to HTC: %d\n", ret); 803 goto err_hif_stop; 804 } 805 806 ret = ath11k_dp_htt_connect(&ab->dp); 807 if (ret) { 808 ath11k_err(ab, "failed to connect to HTT: %d\n", ret); 809 goto err_hif_stop; 810 } 811 812 ret = ath11k_wmi_connect(ab); 813 if (ret) { 814 ath11k_err(ab, "failed to connect wmi: %d\n", ret); 815 goto err_hif_stop; 816 } 817 818 ret = ath11k_htc_start(&ab->htc); 819 if (ret) { 820 ath11k_err(ab, "failed to start HTC: %d\n", ret); 821 goto err_hif_stop; 822 } 823 824 ret = ath11k_wmi_wait_for_service_ready(ab); 825 if (ret) { 826 ath11k_err(ab, "failed to receive wmi service ready event: %d\n", 827 ret); 828 goto err_hif_stop; 829 } 830 831 ret = ath11k_mac_allocate(ab); 832 if (ret) { 833 ath11k_err(ab, "failed to create new hw device with mac80211 :%d\n", 834 ret); 835 goto err_hif_stop; 836 } 837 838 ath11k_dp_pdev_pre_alloc(ab); 839 840 ret = ath11k_dp_pdev_reo_setup(ab); 841 if (ret) { 842 ath11k_err(ab, "failed to initialize reo destination rings: %d\n", ret); 843 goto err_mac_destroy; 844 } 845 846 ret = ath11k_wmi_cmd_init(ab); 847 if (ret) { 848 ath11k_err(ab, "failed to send wmi init cmd: %d\n", ret); 849 goto err_reo_cleanup; 850 } 851 852 ret = ath11k_wmi_wait_for_unified_ready(ab); 853 if (ret) { 854 ath11k_err(ab, "failed to receive wmi unified ready event: %d\n", 855 ret); 856 goto err_reo_cleanup; 857 } 858 859 /* put hardware to DBS mode */ 860 if (ab->hw_params.single_pdev_only) { 861 ret = ath11k_wmi_set_hw_mode(ab, WMI_HOST_HW_MODE_DBS); 862 if (ret) { 863 ath11k_err(ab, "failed to send dbs mode: %d\n", ret); 864 goto err_hif_stop; 865 } 866 } 867 868 ret = ath11k_dp_tx_htt_h2t_ver_req_msg(ab); 869 if (ret) { 870 ath11k_err(ab, "failed to send htt version request message: %d\n", 871 ret); 872 goto err_reo_cleanup; 873 } 874 875 return 0; 876 877 err_reo_cleanup: 878 ath11k_dp_pdev_reo_cleanup(ab); 879 err_mac_destroy: 880 ath11k_mac_destroy(ab); 881 err_hif_stop: 882 ath11k_hif_stop(ab); 883 err_wmi_detach: 884 ath11k_wmi_detach(ab); 885 err_firmware_stop: 886 ath11k_qmi_firmware_stop(ab); 887 888 return ret; 889 } 890 891 int ath11k_core_qmi_firmware_ready(struct ath11k_base *ab) 892 { 893 int ret; 894 895 ret = ath11k_ce_init_pipes(ab); 896 if (ret) { 897 ath11k_err(ab, "failed to initialize CE: %d\n", ret); 898 return ret; 899 } 900 901 ret = ath11k_dp_alloc(ab); 902 if (ret) { 903 ath11k_err(ab, "failed to init DP: %d\n", ret); 904 return ret; 905 } 906 907 switch (ath11k_crypto_mode) { 908 case ATH11K_CRYPT_MODE_SW: 909 set_bit(ATH11K_FLAG_HW_CRYPTO_DISABLED, &ab->dev_flags); 910 set_bit(ATH11K_FLAG_RAW_MODE, &ab->dev_flags); 911 break; 912 case ATH11K_CRYPT_MODE_HW: 913 clear_bit(ATH11K_FLAG_HW_CRYPTO_DISABLED, &ab->dev_flags); 914 clear_bit(ATH11K_FLAG_RAW_MODE, &ab->dev_flags); 915 break; 916 default: 917 ath11k_info(ab, "invalid crypto_mode: %d\n", ath11k_crypto_mode); 918 return -EINVAL; 919 } 920 921 if (ath11k_frame_mode == ATH11K_HW_TXRX_RAW) 922 set_bit(ATH11K_FLAG_RAW_MODE, &ab->dev_flags); 923 924 mutex_lock(&ab->core_lock); 925 ret = ath11k_core_start(ab, ATH11K_FIRMWARE_MODE_NORMAL); 926 if (ret) { 927 ath11k_err(ab, "failed to start core: %d\n", ret); 928 goto err_dp_free; 929 } 930 931 ret = ath11k_core_pdev_create(ab); 932 if (ret) { 933 ath11k_err(ab, "failed to create pdev core: %d\n", ret); 934 goto err_core_stop; 935 } 936 ath11k_hif_irq_enable(ab); 937 mutex_unlock(&ab->core_lock); 938 939 return 0; 940 941 err_core_stop: 942 ath11k_core_stop(ab); 943 ath11k_mac_destroy(ab); 944 err_dp_free: 945 ath11k_dp_free(ab); 946 mutex_unlock(&ab->core_lock); 947 return ret; 948 } 949 950 static int ath11k_core_reconfigure_on_crash(struct ath11k_base *ab) 951 { 952 int ret; 953 954 mutex_lock(&ab->core_lock); 955 ath11k_thermal_unregister(ab); 956 ath11k_hif_irq_disable(ab); 957 ath11k_dp_pdev_free(ab); 958 ath11k_spectral_deinit(ab); 959 ath11k_hif_stop(ab); 960 ath11k_wmi_detach(ab); 961 ath11k_dp_pdev_reo_cleanup(ab); 962 mutex_unlock(&ab->core_lock); 963 964 ath11k_dp_free(ab); 965 ath11k_hal_srng_deinit(ab); 966 967 ab->free_vdev_map = (1LL << (ab->num_radios * TARGET_NUM_VDEVS)) - 1; 968 969 ret = ath11k_hal_srng_init(ab); 970 if (ret) 971 return ret; 972 973 clear_bit(ATH11K_FLAG_CRASH_FLUSH, &ab->dev_flags); 974 975 ret = ath11k_core_qmi_firmware_ready(ab); 976 if (ret) 977 goto err_hal_srng_deinit; 978 979 clear_bit(ATH11K_FLAG_RECOVERY, &ab->dev_flags); 980 981 return 0; 982 983 err_hal_srng_deinit: 984 ath11k_hal_srng_deinit(ab); 985 return ret; 986 } 987 988 void ath11k_core_halt(struct ath11k *ar) 989 { 990 struct ath11k_base *ab = ar->ab; 991 992 lockdep_assert_held(&ar->conf_mutex); 993 994 ar->num_created_vdevs = 0; 995 ar->allocated_vdev_map = 0; 996 997 ath11k_mac_scan_finish(ar); 998 ath11k_mac_peer_cleanup_all(ar); 999 cancel_delayed_work_sync(&ar->scan.timeout); 1000 cancel_work_sync(&ar->regd_update_work); 1001 1002 rcu_assign_pointer(ab->pdevs_active[ar->pdev_idx], NULL); 1003 synchronize_rcu(); 1004 INIT_LIST_HEAD(&ar->arvifs); 1005 idr_init(&ar->txmgmt_idr); 1006 } 1007 1008 static void ath11k_core_restart(struct work_struct *work) 1009 { 1010 struct ath11k_base *ab = container_of(work, struct ath11k_base, restart_work); 1011 struct ath11k *ar; 1012 struct ath11k_pdev *pdev; 1013 int i, ret = 0; 1014 1015 spin_lock_bh(&ab->base_lock); 1016 ab->stats.fw_crash_counter++; 1017 spin_unlock_bh(&ab->base_lock); 1018 1019 for (i = 0; i < ab->num_radios; i++) { 1020 pdev = &ab->pdevs[i]; 1021 ar = pdev->ar; 1022 if (!ar || ar->state == ATH11K_STATE_OFF) 1023 continue; 1024 1025 ieee80211_stop_queues(ar->hw); 1026 ath11k_mac_drain_tx(ar); 1027 complete(&ar->scan.started); 1028 complete(&ar->scan.completed); 1029 complete(&ar->peer_assoc_done); 1030 complete(&ar->peer_delete_done); 1031 complete(&ar->install_key_done); 1032 complete(&ar->vdev_setup_done); 1033 complete(&ar->vdev_delete_done); 1034 complete(&ar->bss_survey_done); 1035 complete(&ar->thermal.wmi_sync); 1036 1037 wake_up(&ar->dp.tx_empty_waitq); 1038 idr_for_each(&ar->txmgmt_idr, 1039 ath11k_mac_tx_mgmt_pending_free, ar); 1040 idr_destroy(&ar->txmgmt_idr); 1041 } 1042 1043 wake_up(&ab->wmi_ab.tx_credits_wq); 1044 wake_up(&ab->peer_mapping_wq); 1045 1046 ret = ath11k_core_reconfigure_on_crash(ab); 1047 if (ret) { 1048 ath11k_err(ab, "failed to reconfigure driver on crash recovery\n"); 1049 return; 1050 } 1051 1052 for (i = 0; i < ab->num_radios; i++) { 1053 pdev = &ab->pdevs[i]; 1054 ar = pdev->ar; 1055 if (!ar || ar->state == ATH11K_STATE_OFF) 1056 continue; 1057 1058 mutex_lock(&ar->conf_mutex); 1059 1060 switch (ar->state) { 1061 case ATH11K_STATE_ON: 1062 ar->state = ATH11K_STATE_RESTARTING; 1063 ath11k_core_halt(ar); 1064 ieee80211_restart_hw(ar->hw); 1065 break; 1066 case ATH11K_STATE_OFF: 1067 ath11k_warn(ab, 1068 "cannot restart radio %d that hasn't been started\n", 1069 i); 1070 break; 1071 case ATH11K_STATE_RESTARTING: 1072 break; 1073 case ATH11K_STATE_RESTARTED: 1074 ar->state = ATH11K_STATE_WEDGED; 1075 fallthrough; 1076 case ATH11K_STATE_WEDGED: 1077 ath11k_warn(ab, 1078 "device is wedged, will not restart radio %d\n", i); 1079 break; 1080 } 1081 mutex_unlock(&ar->conf_mutex); 1082 } 1083 complete(&ab->driver_recovery); 1084 } 1085 1086 static int ath11k_init_hw_params(struct ath11k_base *ab) 1087 { 1088 const struct ath11k_hw_params *hw_params = NULL; 1089 int i; 1090 1091 for (i = 0; i < ARRAY_SIZE(ath11k_hw_params); i++) { 1092 hw_params = &ath11k_hw_params[i]; 1093 1094 if (hw_params->hw_rev == ab->hw_rev) 1095 break; 1096 } 1097 1098 if (i == ARRAY_SIZE(ath11k_hw_params)) { 1099 ath11k_err(ab, "Unsupported hardware version: 0x%x\n", ab->hw_rev); 1100 return -EINVAL; 1101 } 1102 1103 ab->hw_params = *hw_params; 1104 1105 ath11k_info(ab, "%s\n", ab->hw_params.name); 1106 1107 return 0; 1108 } 1109 1110 int ath11k_core_pre_init(struct ath11k_base *ab) 1111 { 1112 int ret; 1113 1114 ret = ath11k_init_hw_params(ab); 1115 if (ret) { 1116 ath11k_err(ab, "failed to get hw params: %d\n", ret); 1117 return ret; 1118 } 1119 1120 return 0; 1121 } 1122 EXPORT_SYMBOL(ath11k_core_pre_init); 1123 1124 int ath11k_core_init(struct ath11k_base *ab) 1125 { 1126 int ret; 1127 1128 ret = ath11k_core_soc_create(ab); 1129 if (ret) { 1130 ath11k_err(ab, "failed to create soc core: %d\n", ret); 1131 return ret; 1132 } 1133 1134 return 0; 1135 } 1136 EXPORT_SYMBOL(ath11k_core_init); 1137 1138 void ath11k_core_deinit(struct ath11k_base *ab) 1139 { 1140 mutex_lock(&ab->core_lock); 1141 1142 ath11k_core_pdev_destroy(ab); 1143 ath11k_core_stop(ab); 1144 1145 mutex_unlock(&ab->core_lock); 1146 1147 ath11k_hif_power_down(ab); 1148 ath11k_mac_destroy(ab); 1149 ath11k_core_soc_destroy(ab); 1150 } 1151 EXPORT_SYMBOL(ath11k_core_deinit); 1152 1153 void ath11k_core_free(struct ath11k_base *ab) 1154 { 1155 kfree(ab); 1156 } 1157 EXPORT_SYMBOL(ath11k_core_free); 1158 1159 struct ath11k_base *ath11k_core_alloc(struct device *dev, size_t priv_size, 1160 enum ath11k_bus bus, 1161 const struct ath11k_bus_params *bus_params) 1162 { 1163 struct ath11k_base *ab; 1164 1165 ab = kzalloc(sizeof(*ab) + priv_size, GFP_KERNEL); 1166 if (!ab) 1167 return NULL; 1168 1169 init_completion(&ab->driver_recovery); 1170 1171 ab->workqueue = create_singlethread_workqueue("ath11k_wq"); 1172 if (!ab->workqueue) 1173 goto err_sc_free; 1174 1175 mutex_init(&ab->core_lock); 1176 spin_lock_init(&ab->base_lock); 1177 1178 INIT_LIST_HEAD(&ab->peers); 1179 init_waitqueue_head(&ab->peer_mapping_wq); 1180 init_waitqueue_head(&ab->wmi_ab.tx_credits_wq); 1181 init_waitqueue_head(&ab->qmi.cold_boot_waitq); 1182 INIT_WORK(&ab->restart_work, ath11k_core_restart); 1183 timer_setup(&ab->rx_replenish_retry, ath11k_ce_rx_replenish_retry, 0); 1184 init_completion(&ab->htc_suspend); 1185 init_completion(&ab->wow.wakeup_completed); 1186 1187 ab->dev = dev; 1188 ab->bus_params = *bus_params; 1189 ab->hif.bus = bus; 1190 1191 return ab; 1192 1193 err_sc_free: 1194 kfree(ab); 1195 return NULL; 1196 } 1197 EXPORT_SYMBOL(ath11k_core_alloc); 1198 1199 MODULE_DESCRIPTION("Core module for Qualcomm Atheros 802.11ax wireless LAN cards."); 1200 MODULE_LICENSE("Dual BSD/GPL"); 1201