1/* 2 * Copyright (c) 2005-2011 Atheros Communications Inc. 3 * Copyright (c) 2011-2013 Qualcomm Atheros, Inc. 4 * 5 * Permission to use, copy, modify, and/or distribute this software for any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16 */ 17 18#include <linux/module.h> 19#include <linux/firmware.h> 20#include <linux/of.h> 21 22#include "core.h" 23#include "mac.h" 24#include "htc.h" 25#include "hif.h" 26#include "wmi.h" 27#include "bmi.h" 28#include "debug.h" 29#include "htt.h" 30#include "testmode.h" 31#include "wmi-ops.h" 32 33unsigned int ath10k_debug_mask; 34static bool uart_print; 35static bool skip_otp; 36 37module_param_named(debug_mask, ath10k_debug_mask, uint, 0644); 38module_param(uart_print, bool, 0644); 39module_param(skip_otp, bool, 0644); 40 41MODULE_PARM_DESC(debug_mask, "Debugging mask"); 42MODULE_PARM_DESC(uart_print, "Uart target debugging"); 43MODULE_PARM_DESC(skip_otp, "Skip otp failure for calibration in testmode"); 44 45static const struct ath10k_hw_params ath10k_hw_params_list[] = { 46 { 47 .id = QCA988X_HW_2_0_VERSION, 48 .name = "qca988x hw2.0", 49 .patch_load_addr = QCA988X_HW_2_0_PATCH_LOAD_ADDR, 50 .uart_pin = 7, 51 .fw = { 52 .dir = QCA988X_HW_2_0_FW_DIR, 53 .fw = QCA988X_HW_2_0_FW_FILE, 54 .otp = QCA988X_HW_2_0_OTP_FILE, 55 .board = QCA988X_HW_2_0_BOARD_DATA_FILE, 56 .board_size = QCA988X_BOARD_DATA_SZ, 57 .board_ext_size = QCA988X_BOARD_EXT_DATA_SZ, 58 }, 59 }, 60 { 61 .id = QCA6174_HW_2_1_VERSION, 62 .name = "qca6174 hw2.1", 63 .patch_load_addr = QCA6174_HW_2_1_PATCH_LOAD_ADDR, 64 .uart_pin = 6, 65 .fw = { 66 .dir = QCA6174_HW_2_1_FW_DIR, 67 .fw = QCA6174_HW_2_1_FW_FILE, 68 .otp = QCA6174_HW_2_1_OTP_FILE, 69 .board = QCA6174_HW_2_1_BOARD_DATA_FILE, 70 .board_size = QCA6174_BOARD_DATA_SZ, 71 .board_ext_size = QCA6174_BOARD_EXT_DATA_SZ, 72 }, 73 }, 74 { 75 .id = QCA6174_HW_3_0_VERSION, 76 .name = "qca6174 hw3.0", 77 .patch_load_addr = QCA6174_HW_3_0_PATCH_LOAD_ADDR, 78 .uart_pin = 6, 79 .fw = { 80 .dir = QCA6174_HW_3_0_FW_DIR, 81 .fw = QCA6174_HW_3_0_FW_FILE, 82 .otp = QCA6174_HW_3_0_OTP_FILE, 83 .board = QCA6174_HW_3_0_BOARD_DATA_FILE, 84 .board_size = QCA6174_BOARD_DATA_SZ, 85 .board_ext_size = QCA6174_BOARD_EXT_DATA_SZ, 86 }, 87 }, 88 { 89 .id = QCA6174_HW_3_2_VERSION, 90 .name = "qca6174 hw3.2", 91 .patch_load_addr = QCA6174_HW_3_0_PATCH_LOAD_ADDR, 92 .uart_pin = 6, 93 .fw = { 94 /* uses same binaries as hw3.0 */ 95 .dir = QCA6174_HW_3_0_FW_DIR, 96 .fw = QCA6174_HW_3_0_FW_FILE, 97 .otp = QCA6174_HW_3_0_OTP_FILE, 98 .board = QCA6174_HW_3_0_BOARD_DATA_FILE, 99 .board_size = QCA6174_BOARD_DATA_SZ, 100 .board_ext_size = QCA6174_BOARD_EXT_DATA_SZ, 101 }, 102 }, 103}; 104 105static void ath10k_send_suspend_complete(struct ath10k *ar) 106{ 107 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot suspend complete\n"); 108 109 complete(&ar->target_suspend); 110} 111 112static int ath10k_init_configure_target(struct ath10k *ar) 113{ 114 u32 param_host; 115 int ret; 116 117 /* tell target which HTC version it is used*/ 118 ret = ath10k_bmi_write32(ar, hi_app_host_interest, 119 HTC_PROTOCOL_VERSION); 120 if (ret) { 121 ath10k_err(ar, "settings HTC version failed\n"); 122 return ret; 123 } 124 125 /* set the firmware mode to STA/IBSS/AP */ 126 ret = ath10k_bmi_read32(ar, hi_option_flag, ¶m_host); 127 if (ret) { 128 ath10k_err(ar, "setting firmware mode (1/2) failed\n"); 129 return ret; 130 } 131 132 /* TODO following parameters need to be re-visited. */ 133 /* num_device */ 134 param_host |= (1 << HI_OPTION_NUM_DEV_SHIFT); 135 /* Firmware mode */ 136 /* FIXME: Why FW_MODE_AP ??.*/ 137 param_host |= (HI_OPTION_FW_MODE_AP << HI_OPTION_FW_MODE_SHIFT); 138 /* mac_addr_method */ 139 param_host |= (1 << HI_OPTION_MAC_ADDR_METHOD_SHIFT); 140 /* firmware_bridge */ 141 param_host |= (0 << HI_OPTION_FW_BRIDGE_SHIFT); 142 /* fwsubmode */ 143 param_host |= (0 << HI_OPTION_FW_SUBMODE_SHIFT); 144 145 ret = ath10k_bmi_write32(ar, hi_option_flag, param_host); 146 if (ret) { 147 ath10k_err(ar, "setting firmware mode (2/2) failed\n"); 148 return ret; 149 } 150 151 /* We do all byte-swapping on the host */ 152 ret = ath10k_bmi_write32(ar, hi_be, 0); 153 if (ret) { 154 ath10k_err(ar, "setting host CPU BE mode failed\n"); 155 return ret; 156 } 157 158 /* FW descriptor/Data swap flags */ 159 ret = ath10k_bmi_write32(ar, hi_fw_swap, 0); 160 161 if (ret) { 162 ath10k_err(ar, "setting FW data/desc swap flags failed\n"); 163 return ret; 164 } 165 166 return 0; 167} 168 169static const struct firmware *ath10k_fetch_fw_file(struct ath10k *ar, 170 const char *dir, 171 const char *file) 172{ 173 char filename[100]; 174 const struct firmware *fw; 175 int ret; 176 177 if (file == NULL) 178 return ERR_PTR(-ENOENT); 179 180 if (dir == NULL) 181 dir = "."; 182 183 snprintf(filename, sizeof(filename), "%s/%s", dir, file); 184 ret = request_firmware(&fw, filename, ar->dev); 185 if (ret) 186 return ERR_PTR(ret); 187 188 return fw; 189} 190 191static int ath10k_push_board_ext_data(struct ath10k *ar, const void *data, 192 size_t data_len) 193{ 194 u32 board_data_size = ar->hw_params.fw.board_size; 195 u32 board_ext_data_size = ar->hw_params.fw.board_ext_size; 196 u32 board_ext_data_addr; 197 int ret; 198 199 ret = ath10k_bmi_read32(ar, hi_board_ext_data, &board_ext_data_addr); 200 if (ret) { 201 ath10k_err(ar, "could not read board ext data addr (%d)\n", 202 ret); 203 return ret; 204 } 205 206 ath10k_dbg(ar, ATH10K_DBG_BOOT, 207 "boot push board extended data addr 0x%x\n", 208 board_ext_data_addr); 209 210 if (board_ext_data_addr == 0) 211 return 0; 212 213 if (data_len != (board_data_size + board_ext_data_size)) { 214 ath10k_err(ar, "invalid board (ext) data sizes %zu != %d+%d\n", 215 data_len, board_data_size, board_ext_data_size); 216 return -EINVAL; 217 } 218 219 ret = ath10k_bmi_write_memory(ar, board_ext_data_addr, 220 data + board_data_size, 221 board_ext_data_size); 222 if (ret) { 223 ath10k_err(ar, "could not write board ext data (%d)\n", ret); 224 return ret; 225 } 226 227 ret = ath10k_bmi_write32(ar, hi_board_ext_data_config, 228 (board_ext_data_size << 16) | 1); 229 if (ret) { 230 ath10k_err(ar, "could not write board ext data bit (%d)\n", 231 ret); 232 return ret; 233 } 234 235 return 0; 236} 237 238static int ath10k_download_board_data(struct ath10k *ar, const void *data, 239 size_t data_len) 240{ 241 u32 board_data_size = ar->hw_params.fw.board_size; 242 u32 address; 243 int ret; 244 245 ret = ath10k_push_board_ext_data(ar, data, data_len); 246 if (ret) { 247 ath10k_err(ar, "could not push board ext data (%d)\n", ret); 248 goto exit; 249 } 250 251 ret = ath10k_bmi_read32(ar, hi_board_data, &address); 252 if (ret) { 253 ath10k_err(ar, "could not read board data addr (%d)\n", ret); 254 goto exit; 255 } 256 257 ret = ath10k_bmi_write_memory(ar, address, data, 258 min_t(u32, board_data_size, 259 data_len)); 260 if (ret) { 261 ath10k_err(ar, "could not write board data (%d)\n", ret); 262 goto exit; 263 } 264 265 ret = ath10k_bmi_write32(ar, hi_board_data_initialized, 1); 266 if (ret) { 267 ath10k_err(ar, "could not write board data bit (%d)\n", ret); 268 goto exit; 269 } 270 271exit: 272 return ret; 273} 274 275static int ath10k_download_cal_file(struct ath10k *ar) 276{ 277 int ret; 278 279 if (!ar->cal_file) 280 return -ENOENT; 281 282 if (IS_ERR(ar->cal_file)) 283 return PTR_ERR(ar->cal_file); 284 285 ret = ath10k_download_board_data(ar, ar->cal_file->data, 286 ar->cal_file->size); 287 if (ret) { 288 ath10k_err(ar, "failed to download cal_file data: %d\n", ret); 289 return ret; 290 } 291 292 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot cal file downloaded\n"); 293 294 return 0; 295} 296 297static int ath10k_download_cal_dt(struct ath10k *ar) 298{ 299 struct device_node *node; 300 int data_len; 301 void *data; 302 int ret; 303 304 node = ar->dev->of_node; 305 if (!node) 306 /* Device Tree is optional, don't print any warnings if 307 * there's no node for ath10k. 308 */ 309 return -ENOENT; 310 311 if (!of_get_property(node, "qcom,ath10k-calibration-data", 312 &data_len)) { 313 /* The calibration data node is optional */ 314 return -ENOENT; 315 } 316 317 if (data_len != QCA988X_CAL_DATA_LEN) { 318 ath10k_warn(ar, "invalid calibration data length in DT: %d\n", 319 data_len); 320 ret = -EMSGSIZE; 321 goto out; 322 } 323 324 data = kmalloc(data_len, GFP_KERNEL); 325 if (!data) { 326 ret = -ENOMEM; 327 goto out; 328 } 329 330 ret = of_property_read_u8_array(node, "qcom,ath10k-calibration-data", 331 data, data_len); 332 if (ret) { 333 ath10k_warn(ar, "failed to read calibration data from DT: %d\n", 334 ret); 335 goto out_free; 336 } 337 338 ret = ath10k_download_board_data(ar, data, data_len); 339 if (ret) { 340 ath10k_warn(ar, "failed to download calibration data from Device Tree: %d\n", 341 ret); 342 goto out_free; 343 } 344 345 ret = 0; 346 347out_free: 348 kfree(data); 349 350out: 351 return ret; 352} 353 354static int ath10k_download_and_run_otp(struct ath10k *ar) 355{ 356 u32 result, address = ar->hw_params.patch_load_addr; 357 int ret; 358 359 ret = ath10k_download_board_data(ar, ar->board_data, ar->board_len); 360 if (ret) { 361 ath10k_err(ar, "failed to download board data: %d\n", ret); 362 return ret; 363 } 364 365 /* OTP is optional */ 366 367 if (!ar->otp_data || !ar->otp_len) { 368 ath10k_warn(ar, "Not running otp, calibration will be incorrect (otp-data %p otp_len %zd)!\n", 369 ar->otp_data, ar->otp_len); 370 return 0; 371 } 372 373 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot upload otp to 0x%x len %zd\n", 374 address, ar->otp_len); 375 376 ret = ath10k_bmi_fast_download(ar, address, ar->otp_data, ar->otp_len); 377 if (ret) { 378 ath10k_err(ar, "could not write otp (%d)\n", ret); 379 return ret; 380 } 381 382 ret = ath10k_bmi_execute(ar, address, 0, &result); 383 if (ret) { 384 ath10k_err(ar, "could not execute otp (%d)\n", ret); 385 return ret; 386 } 387 388 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot otp execute result %d\n", result); 389 390 if (!skip_otp && result != 0) { 391 ath10k_err(ar, "otp calibration failed: %d", result); 392 return -EINVAL; 393 } 394 395 return 0; 396} 397 398static int ath10k_download_fw(struct ath10k *ar, enum ath10k_firmware_mode mode) 399{ 400 u32 address, data_len; 401 const char *mode_name; 402 const void *data; 403 int ret; 404 405 address = ar->hw_params.patch_load_addr; 406 407 switch (mode) { 408 case ATH10K_FIRMWARE_MODE_NORMAL: 409 data = ar->firmware_data; 410 data_len = ar->firmware_len; 411 mode_name = "normal"; 412 break; 413 case ATH10K_FIRMWARE_MODE_UTF: 414 data = ar->testmode.utf->data; 415 data_len = ar->testmode.utf->size; 416 mode_name = "utf"; 417 break; 418 default: 419 ath10k_err(ar, "unknown firmware mode: %d\n", mode); 420 return -EINVAL; 421 } 422 423 ath10k_dbg(ar, ATH10K_DBG_BOOT, 424 "boot uploading firmware image %p len %d mode %s\n", 425 data, data_len, mode_name); 426 427 ret = ath10k_bmi_fast_download(ar, address, data, data_len); 428 if (ret) { 429 ath10k_err(ar, "failed to download %s firmware: %d\n", 430 mode_name, ret); 431 return ret; 432 } 433 434 return ret; 435} 436 437static void ath10k_core_free_firmware_files(struct ath10k *ar) 438{ 439 if (!IS_ERR(ar->board)) 440 release_firmware(ar->board); 441 442 if (!IS_ERR(ar->otp)) 443 release_firmware(ar->otp); 444 445 if (!IS_ERR(ar->firmware)) 446 release_firmware(ar->firmware); 447 448 if (!IS_ERR(ar->cal_file)) 449 release_firmware(ar->cal_file); 450 451 ar->board = NULL; 452 ar->board_data = NULL; 453 ar->board_len = 0; 454 455 ar->otp = NULL; 456 ar->otp_data = NULL; 457 ar->otp_len = 0; 458 459 ar->firmware = NULL; 460 ar->firmware_data = NULL; 461 ar->firmware_len = 0; 462 463 ar->cal_file = NULL; 464} 465 466static int ath10k_fetch_cal_file(struct ath10k *ar) 467{ 468 char filename[100]; 469 470 /* cal-<bus>-<id>.bin */ 471 scnprintf(filename, sizeof(filename), "cal-%s-%s.bin", 472 ath10k_bus_str(ar->hif.bus), dev_name(ar->dev)); 473 474 ar->cal_file = ath10k_fetch_fw_file(ar, ATH10K_FW_DIR, filename); 475 if (IS_ERR(ar->cal_file)) 476 /* calibration file is optional, don't print any warnings */ 477 return PTR_ERR(ar->cal_file); 478 479 ath10k_dbg(ar, ATH10K_DBG_BOOT, "found calibration file %s/%s\n", 480 ATH10K_FW_DIR, filename); 481 482 return 0; 483} 484 485static int ath10k_core_fetch_firmware_api_1(struct ath10k *ar) 486{ 487 int ret = 0; 488 489 if (ar->hw_params.fw.fw == NULL) { 490 ath10k_err(ar, "firmware file not defined\n"); 491 return -EINVAL; 492 } 493 494 if (ar->hw_params.fw.board == NULL) { 495 ath10k_err(ar, "board data file not defined"); 496 return -EINVAL; 497 } 498 499 ar->board = ath10k_fetch_fw_file(ar, 500 ar->hw_params.fw.dir, 501 ar->hw_params.fw.board); 502 if (IS_ERR(ar->board)) { 503 ret = PTR_ERR(ar->board); 504 ath10k_err(ar, "could not fetch board data (%d)\n", ret); 505 goto err; 506 } 507 508 ar->board_data = ar->board->data; 509 ar->board_len = ar->board->size; 510 511 ar->firmware = ath10k_fetch_fw_file(ar, 512 ar->hw_params.fw.dir, 513 ar->hw_params.fw.fw); 514 if (IS_ERR(ar->firmware)) { 515 ret = PTR_ERR(ar->firmware); 516 ath10k_err(ar, "could not fetch firmware (%d)\n", ret); 517 goto err; 518 } 519 520 ar->firmware_data = ar->firmware->data; 521 ar->firmware_len = ar->firmware->size; 522 523 /* OTP may be undefined. If so, don't fetch it at all */ 524 if (ar->hw_params.fw.otp == NULL) 525 return 0; 526 527 ar->otp = ath10k_fetch_fw_file(ar, 528 ar->hw_params.fw.dir, 529 ar->hw_params.fw.otp); 530 if (IS_ERR(ar->otp)) { 531 ret = PTR_ERR(ar->otp); 532 ath10k_err(ar, "could not fetch otp (%d)\n", ret); 533 goto err; 534 } 535 536 ar->otp_data = ar->otp->data; 537 ar->otp_len = ar->otp->size; 538 539 return 0; 540 541err: 542 ath10k_core_free_firmware_files(ar); 543 return ret; 544} 545 546static int ath10k_core_fetch_firmware_api_n(struct ath10k *ar, const char *name) 547{ 548 size_t magic_len, len, ie_len; 549 int ie_id, i, index, bit, ret; 550 struct ath10k_fw_ie *hdr; 551 const u8 *data; 552 __le32 *timestamp, *version; 553 554 /* first fetch the firmware file (firmware-*.bin) */ 555 ar->firmware = ath10k_fetch_fw_file(ar, ar->hw_params.fw.dir, name); 556 if (IS_ERR(ar->firmware)) { 557 ath10k_err(ar, "could not fetch firmware file '%s/%s': %ld\n", 558 ar->hw_params.fw.dir, name, PTR_ERR(ar->firmware)); 559 return PTR_ERR(ar->firmware); 560 } 561 562 data = ar->firmware->data; 563 len = ar->firmware->size; 564 565 /* magic also includes the null byte, check that as well */ 566 magic_len = strlen(ATH10K_FIRMWARE_MAGIC) + 1; 567 568 if (len < magic_len) { 569 ath10k_err(ar, "firmware file '%s/%s' too small to contain magic: %zu\n", 570 ar->hw_params.fw.dir, name, len); 571 ret = -EINVAL; 572 goto err; 573 } 574 575 if (memcmp(data, ATH10K_FIRMWARE_MAGIC, magic_len) != 0) { 576 ath10k_err(ar, "invalid firmware magic\n"); 577 ret = -EINVAL; 578 goto err; 579 } 580 581 /* jump over the padding */ 582 magic_len = ALIGN(magic_len, 4); 583 584 len -= magic_len; 585 data += magic_len; 586 587 /* loop elements */ 588 while (len > sizeof(struct ath10k_fw_ie)) { 589 hdr = (struct ath10k_fw_ie *)data; 590 591 ie_id = le32_to_cpu(hdr->id); 592 ie_len = le32_to_cpu(hdr->len); 593 594 len -= sizeof(*hdr); 595 data += sizeof(*hdr); 596 597 if (len < ie_len) { 598 ath10k_err(ar, "invalid length for FW IE %d (%zu < %zu)\n", 599 ie_id, len, ie_len); 600 ret = -EINVAL; 601 goto err; 602 } 603 604 switch (ie_id) { 605 case ATH10K_FW_IE_FW_VERSION: 606 if (ie_len > sizeof(ar->hw->wiphy->fw_version) - 1) 607 break; 608 609 memcpy(ar->hw->wiphy->fw_version, data, ie_len); 610 ar->hw->wiphy->fw_version[ie_len] = '\0'; 611 612 ath10k_dbg(ar, ATH10K_DBG_BOOT, 613 "found fw version %s\n", 614 ar->hw->wiphy->fw_version); 615 break; 616 case ATH10K_FW_IE_TIMESTAMP: 617 if (ie_len != sizeof(u32)) 618 break; 619 620 timestamp = (__le32 *)data; 621 622 ath10k_dbg(ar, ATH10K_DBG_BOOT, "found fw timestamp %d\n", 623 le32_to_cpup(timestamp)); 624 break; 625 case ATH10K_FW_IE_FEATURES: 626 ath10k_dbg(ar, ATH10K_DBG_BOOT, 627 "found firmware features ie (%zd B)\n", 628 ie_len); 629 630 for (i = 0; i < ATH10K_FW_FEATURE_COUNT; i++) { 631 index = i / 8; 632 bit = i % 8; 633 634 if (index == ie_len) 635 break; 636 637 if (data[index] & (1 << bit)) { 638 ath10k_dbg(ar, ATH10K_DBG_BOOT, 639 "Enabling feature bit: %i\n", 640 i); 641 __set_bit(i, ar->fw_features); 642 } 643 } 644 645 ath10k_dbg_dump(ar, ATH10K_DBG_BOOT, "features", "", 646 ar->fw_features, 647 sizeof(ar->fw_features)); 648 break; 649 case ATH10K_FW_IE_FW_IMAGE: 650 ath10k_dbg(ar, ATH10K_DBG_BOOT, 651 "found fw image ie (%zd B)\n", 652 ie_len); 653 654 ar->firmware_data = data; 655 ar->firmware_len = ie_len; 656 657 break; 658 case ATH10K_FW_IE_OTP_IMAGE: 659 ath10k_dbg(ar, ATH10K_DBG_BOOT, 660 "found otp image ie (%zd B)\n", 661 ie_len); 662 663 ar->otp_data = data; 664 ar->otp_len = ie_len; 665 666 break; 667 case ATH10K_FW_IE_WMI_OP_VERSION: 668 if (ie_len != sizeof(u32)) 669 break; 670 671 version = (__le32 *)data; 672 673 ar->wmi.op_version = le32_to_cpup(version); 674 675 ath10k_dbg(ar, ATH10K_DBG_BOOT, "found fw ie wmi op version %d\n", 676 ar->wmi.op_version); 677 break; 678 default: 679 ath10k_warn(ar, "Unknown FW IE: %u\n", 680 le32_to_cpu(hdr->id)); 681 break; 682 } 683 684 /* jump over the padding */ 685 ie_len = ALIGN(ie_len, 4); 686 687 len -= ie_len; 688 data += ie_len; 689 } 690 691 if (!ar->firmware_data || !ar->firmware_len) { 692 ath10k_warn(ar, "No ATH10K_FW_IE_FW_IMAGE found from '%s/%s', skipping\n", 693 ar->hw_params.fw.dir, name); 694 ret = -ENOMEDIUM; 695 goto err; 696 } 697 698 /* now fetch the board file */ 699 if (ar->hw_params.fw.board == NULL) { 700 ath10k_err(ar, "board data file not defined"); 701 ret = -EINVAL; 702 goto err; 703 } 704 705 ar->board = ath10k_fetch_fw_file(ar, 706 ar->hw_params.fw.dir, 707 ar->hw_params.fw.board); 708 if (IS_ERR(ar->board)) { 709 ret = PTR_ERR(ar->board); 710 ath10k_err(ar, "could not fetch board data '%s/%s' (%d)\n", 711 ar->hw_params.fw.dir, ar->hw_params.fw.board, 712 ret); 713 goto err; 714 } 715 716 ar->board_data = ar->board->data; 717 ar->board_len = ar->board->size; 718 719 return 0; 720 721err: 722 ath10k_core_free_firmware_files(ar); 723 return ret; 724} 725 726static int ath10k_core_fetch_firmware_files(struct ath10k *ar) 727{ 728 int ret; 729 730 /* calibration file is optional, don't check for any errors */ 731 ath10k_fetch_cal_file(ar); 732 733 ar->fw_api = 4; 734 ath10k_dbg(ar, ATH10K_DBG_BOOT, "trying fw api %d\n", ar->fw_api); 735 736 ret = ath10k_core_fetch_firmware_api_n(ar, ATH10K_FW_API4_FILE); 737 if (ret == 0) 738 goto success; 739 740 ar->fw_api = 3; 741 ath10k_dbg(ar, ATH10K_DBG_BOOT, "trying fw api %d\n", ar->fw_api); 742 743 ret = ath10k_core_fetch_firmware_api_n(ar, ATH10K_FW_API3_FILE); 744 if (ret == 0) 745 goto success; 746 747 ar->fw_api = 2; 748 ath10k_dbg(ar, ATH10K_DBG_BOOT, "trying fw api %d\n", ar->fw_api); 749 750 ret = ath10k_core_fetch_firmware_api_n(ar, ATH10K_FW_API2_FILE); 751 if (ret == 0) 752 goto success; 753 754 ar->fw_api = 1; 755 ath10k_dbg(ar, ATH10K_DBG_BOOT, "trying fw api %d\n", ar->fw_api); 756 757 ret = ath10k_core_fetch_firmware_api_1(ar); 758 if (ret) 759 return ret; 760 761success: 762 ath10k_dbg(ar, ATH10K_DBG_BOOT, "using fw api %d\n", ar->fw_api); 763 764 return 0; 765} 766 767static int ath10k_download_cal_data(struct ath10k *ar) 768{ 769 int ret; 770 771 ret = ath10k_download_cal_file(ar); 772 if (ret == 0) { 773 ar->cal_mode = ATH10K_CAL_MODE_FILE; 774 goto done; 775 } 776 777 ath10k_dbg(ar, ATH10K_DBG_BOOT, 778 "boot did not find a calibration file, try DT next: %d\n", 779 ret); 780 781 ret = ath10k_download_cal_dt(ar); 782 if (ret == 0) { 783 ar->cal_mode = ATH10K_CAL_MODE_DT; 784 goto done; 785 } 786 787 ath10k_dbg(ar, ATH10K_DBG_BOOT, 788 "boot did not find DT entry, try OTP next: %d\n", 789 ret); 790 791 ret = ath10k_download_and_run_otp(ar); 792 if (ret) { 793 ath10k_err(ar, "failed to run otp: %d\n", ret); 794 return ret; 795 } 796 797 ar->cal_mode = ATH10K_CAL_MODE_OTP; 798 799done: 800 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot using calibration mode %s\n", 801 ath10k_cal_mode_str(ar->cal_mode)); 802 return 0; 803} 804 805static int ath10k_init_uart(struct ath10k *ar) 806{ 807 int ret; 808 809 /* 810 * Explicitly setting UART prints to zero as target turns it on 811 * based on scratch registers. 812 */ 813 ret = ath10k_bmi_write32(ar, hi_serial_enable, 0); 814 if (ret) { 815 ath10k_warn(ar, "could not disable UART prints (%d)\n", ret); 816 return ret; 817 } 818 819 if (!uart_print) 820 return 0; 821 822 ret = ath10k_bmi_write32(ar, hi_dbg_uart_txpin, ar->hw_params.uart_pin); 823 if (ret) { 824 ath10k_warn(ar, "could not enable UART prints (%d)\n", ret); 825 return ret; 826 } 827 828 ret = ath10k_bmi_write32(ar, hi_serial_enable, 1); 829 if (ret) { 830 ath10k_warn(ar, "could not enable UART prints (%d)\n", ret); 831 return ret; 832 } 833 834 /* Set the UART baud rate to 19200. */ 835 ret = ath10k_bmi_write32(ar, hi_desired_baud_rate, 19200); 836 if (ret) { 837 ath10k_warn(ar, "could not set the baud rate (%d)\n", ret); 838 return ret; 839 } 840 841 ath10k_info(ar, "UART prints enabled\n"); 842 return 0; 843} 844 845static int ath10k_init_hw_params(struct ath10k *ar) 846{ 847 const struct ath10k_hw_params *uninitialized_var(hw_params); 848 int i; 849 850 for (i = 0; i < ARRAY_SIZE(ath10k_hw_params_list); i++) { 851 hw_params = &ath10k_hw_params_list[i]; 852 853 if (hw_params->id == ar->target_version) 854 break; 855 } 856 857 if (i == ARRAY_SIZE(ath10k_hw_params_list)) { 858 ath10k_err(ar, "Unsupported hardware version: 0x%x\n", 859 ar->target_version); 860 return -EINVAL; 861 } 862 863 ar->hw_params = *hw_params; 864 865 ath10k_dbg(ar, ATH10K_DBG_BOOT, "Hardware name %s version 0x%x\n", 866 ar->hw_params.name, ar->target_version); 867 868 return 0; 869} 870 871static void ath10k_core_restart(struct work_struct *work) 872{ 873 struct ath10k *ar = container_of(work, struct ath10k, restart_work); 874 875 set_bit(ATH10K_FLAG_CRASH_FLUSH, &ar->dev_flags); 876 877 /* Place a barrier to make sure the compiler doesn't reorder 878 * CRASH_FLUSH and calling other functions. 879 */ 880 barrier(); 881 882 ieee80211_stop_queues(ar->hw); 883 ath10k_drain_tx(ar); 884 complete_all(&ar->scan.started); 885 complete_all(&ar->scan.completed); 886 complete_all(&ar->scan.on_channel); 887 complete_all(&ar->offchan_tx_completed); 888 complete_all(&ar->install_key_done); 889 complete_all(&ar->vdev_setup_done); 890 complete_all(&ar->thermal.wmi_sync); 891 wake_up(&ar->htt.empty_tx_wq); 892 wake_up(&ar->wmi.tx_credits_wq); 893 wake_up(&ar->peer_mapping_wq); 894 895 mutex_lock(&ar->conf_mutex); 896 897 switch (ar->state) { 898 case ATH10K_STATE_ON: 899 ar->state = ATH10K_STATE_RESTARTING; 900 ath10k_hif_stop(ar); 901 ath10k_scan_finish(ar); 902 ieee80211_restart_hw(ar->hw); 903 break; 904 case ATH10K_STATE_OFF: 905 /* this can happen if driver is being unloaded 906 * or if the crash happens during FW probing */ 907 ath10k_warn(ar, "cannot restart a device that hasn't been started\n"); 908 break; 909 case ATH10K_STATE_RESTARTING: 910 /* hw restart might be requested from multiple places */ 911 break; 912 case ATH10K_STATE_RESTARTED: 913 ar->state = ATH10K_STATE_WEDGED; 914 /* fall through */ 915 case ATH10K_STATE_WEDGED: 916 ath10k_warn(ar, "device is wedged, will not restart\n"); 917 break; 918 case ATH10K_STATE_UTF: 919 ath10k_warn(ar, "firmware restart in UTF mode not supported\n"); 920 break; 921 } 922 923 mutex_unlock(&ar->conf_mutex); 924} 925 926static int ath10k_core_init_firmware_features(struct ath10k *ar) 927{ 928 if (test_bit(ATH10K_FW_FEATURE_WMI_10_2, ar->fw_features) && 929 !test_bit(ATH10K_FW_FEATURE_WMI_10X, ar->fw_features)) { 930 ath10k_err(ar, "feature bits corrupted: 10.2 feature requires 10.x feature to be set as well"); 931 return -EINVAL; 932 } 933 934 if (ar->wmi.op_version >= ATH10K_FW_WMI_OP_VERSION_MAX) { 935 ath10k_err(ar, "unsupported WMI OP version (max %d): %d\n", 936 ATH10K_FW_WMI_OP_VERSION_MAX, ar->wmi.op_version); 937 return -EINVAL; 938 } 939 940 /* Backwards compatibility for firmwares without 941 * ATH10K_FW_IE_WMI_OP_VERSION. 942 */ 943 if (ar->wmi.op_version == ATH10K_FW_WMI_OP_VERSION_UNSET) { 944 if (test_bit(ATH10K_FW_FEATURE_WMI_10X, ar->fw_features)) { 945 if (test_bit(ATH10K_FW_FEATURE_WMI_10_2, 946 ar->fw_features)) 947 ar->wmi.op_version = ATH10K_FW_WMI_OP_VERSION_10_2; 948 else 949 ar->wmi.op_version = ATH10K_FW_WMI_OP_VERSION_10_1; 950 } else { 951 ar->wmi.op_version = ATH10K_FW_WMI_OP_VERSION_MAIN; 952 } 953 } 954 955 switch (ar->wmi.op_version) { 956 case ATH10K_FW_WMI_OP_VERSION_MAIN: 957 ar->max_num_peers = TARGET_NUM_PEERS; 958 ar->max_num_stations = TARGET_NUM_STATIONS; 959 ar->max_num_vdevs = TARGET_NUM_VDEVS; 960 ar->htt.max_num_pending_tx = TARGET_NUM_MSDU_DESC; 961 break; 962 case ATH10K_FW_WMI_OP_VERSION_10_1: 963 case ATH10K_FW_WMI_OP_VERSION_10_2: 964 case ATH10K_FW_WMI_OP_VERSION_10_2_4: 965 ar->max_num_peers = TARGET_10X_NUM_PEERS; 966 ar->max_num_stations = TARGET_10X_NUM_STATIONS; 967 ar->max_num_vdevs = TARGET_10X_NUM_VDEVS; 968 ar->htt.max_num_pending_tx = TARGET_10X_NUM_MSDU_DESC; 969 break; 970 case ATH10K_FW_WMI_OP_VERSION_TLV: 971 ar->max_num_peers = TARGET_TLV_NUM_PEERS; 972 ar->max_num_stations = TARGET_TLV_NUM_STATIONS; 973 ar->max_num_vdevs = TARGET_TLV_NUM_VDEVS; 974 ar->htt.max_num_pending_tx = TARGET_TLV_NUM_MSDU_DESC; 975 break; 976 case ATH10K_FW_WMI_OP_VERSION_UNSET: 977 case ATH10K_FW_WMI_OP_VERSION_MAX: 978 WARN_ON(1); 979 return -EINVAL; 980 } 981 982 return 0; 983} 984 985int ath10k_core_start(struct ath10k *ar, enum ath10k_firmware_mode mode) 986{ 987 int status; 988 989 lockdep_assert_held(&ar->conf_mutex); 990 991 clear_bit(ATH10K_FLAG_CRASH_FLUSH, &ar->dev_flags); 992 993 ath10k_bmi_start(ar); 994 995 if (ath10k_init_configure_target(ar)) { 996 status = -EINVAL; 997 goto err; 998 } 999 1000 status = ath10k_download_cal_data(ar); 1001 if (status) 1002 goto err; 1003 1004 status = ath10k_download_fw(ar, mode); 1005 if (status) 1006 goto err; 1007 1008 status = ath10k_init_uart(ar); 1009 if (status) 1010 goto err; 1011 1012 ar->htc.htc_ops.target_send_suspend_complete = 1013 ath10k_send_suspend_complete; 1014 1015 status = ath10k_htc_init(ar); 1016 if (status) { 1017 ath10k_err(ar, "could not init HTC (%d)\n", status); 1018 goto err; 1019 } 1020 1021 status = ath10k_bmi_done(ar); 1022 if (status) 1023 goto err; 1024 1025 status = ath10k_wmi_attach(ar); 1026 if (status) { 1027 ath10k_err(ar, "WMI attach failed: %d\n", status); 1028 goto err; 1029 } 1030 1031 status = ath10k_htt_init(ar); 1032 if (status) { 1033 ath10k_err(ar, "failed to init htt: %d\n", status); 1034 goto err_wmi_detach; 1035 } 1036 1037 status = ath10k_htt_tx_alloc(&ar->htt); 1038 if (status) { 1039 ath10k_err(ar, "failed to alloc htt tx: %d\n", status); 1040 goto err_wmi_detach; 1041 } 1042 1043 status = ath10k_htt_rx_alloc(&ar->htt); 1044 if (status) { 1045 ath10k_err(ar, "failed to alloc htt rx: %d\n", status); 1046 goto err_htt_tx_detach; 1047 } 1048 1049 status = ath10k_hif_start(ar); 1050 if (status) { 1051 ath10k_err(ar, "could not start HIF: %d\n", status); 1052 goto err_htt_rx_detach; 1053 } 1054 1055 status = ath10k_htc_wait_target(&ar->htc); 1056 if (status) { 1057 ath10k_err(ar, "failed to connect to HTC: %d\n", status); 1058 goto err_hif_stop; 1059 } 1060 1061 if (mode == ATH10K_FIRMWARE_MODE_NORMAL) { 1062 status = ath10k_htt_connect(&ar->htt); 1063 if (status) { 1064 ath10k_err(ar, "failed to connect htt (%d)\n", status); 1065 goto err_hif_stop; 1066 } 1067 } 1068 1069 status = ath10k_wmi_connect(ar); 1070 if (status) { 1071 ath10k_err(ar, "could not connect wmi: %d\n", status); 1072 goto err_hif_stop; 1073 } 1074 1075 status = ath10k_htc_start(&ar->htc); 1076 if (status) { 1077 ath10k_err(ar, "failed to start htc: %d\n", status); 1078 goto err_hif_stop; 1079 } 1080 1081 if (mode == ATH10K_FIRMWARE_MODE_NORMAL) { 1082 status = ath10k_wmi_wait_for_service_ready(ar); 1083 if (status <= 0) { 1084 ath10k_warn(ar, "wmi service ready event not received"); 1085 status = -ETIMEDOUT; 1086 goto err_hif_stop; 1087 } 1088 } 1089 1090 ath10k_dbg(ar, ATH10K_DBG_BOOT, "firmware %s booted\n", 1091 ar->hw->wiphy->fw_version); 1092 1093 status = ath10k_wmi_cmd_init(ar); 1094 if (status) { 1095 ath10k_err(ar, "could not send WMI init command (%d)\n", 1096 status); 1097 goto err_hif_stop; 1098 } 1099 1100 status = ath10k_wmi_wait_for_unified_ready(ar); 1101 if (status <= 0) { 1102 ath10k_err(ar, "wmi unified ready event not received\n"); 1103 status = -ETIMEDOUT; 1104 goto err_hif_stop; 1105 } 1106 1107 /* If firmware indicates Full Rx Reorder support it must be used in a 1108 * slightly different manner. Let HTT code know. 1109 */ 1110 ar->htt.rx_ring.in_ord_rx = !!(test_bit(WMI_SERVICE_RX_FULL_REORDER, 1111 ar->wmi.svc_map)); 1112 1113 status = ath10k_htt_rx_ring_refill(ar); 1114 if (status) { 1115 ath10k_err(ar, "failed to refill htt rx ring: %d\n", status); 1116 goto err_hif_stop; 1117 } 1118 1119 /* we don't care about HTT in UTF mode */ 1120 if (mode == ATH10K_FIRMWARE_MODE_NORMAL) { 1121 status = ath10k_htt_setup(&ar->htt); 1122 if (status) { 1123 ath10k_err(ar, "failed to setup htt: %d\n", status); 1124 goto err_hif_stop; 1125 } 1126 } 1127 1128 status = ath10k_debug_start(ar); 1129 if (status) 1130 goto err_hif_stop; 1131 1132 ar->free_vdev_map = (1LL << ar->max_num_vdevs) - 1; 1133 1134 INIT_LIST_HEAD(&ar->arvifs); 1135 1136 return 0; 1137 1138err_hif_stop: 1139 ath10k_hif_stop(ar); 1140err_htt_rx_detach: 1141 ath10k_htt_rx_free(&ar->htt); 1142err_htt_tx_detach: 1143 ath10k_htt_tx_free(&ar->htt); 1144err_wmi_detach: 1145 ath10k_wmi_detach(ar); 1146err: 1147 return status; 1148} 1149EXPORT_SYMBOL(ath10k_core_start); 1150 1151int ath10k_wait_for_suspend(struct ath10k *ar, u32 suspend_opt) 1152{ 1153 int ret; 1154 1155 reinit_completion(&ar->target_suspend); 1156 1157 ret = ath10k_wmi_pdev_suspend_target(ar, suspend_opt); 1158 if (ret) { 1159 ath10k_warn(ar, "could not suspend target (%d)\n", ret); 1160 return ret; 1161 } 1162 1163 ret = wait_for_completion_timeout(&ar->target_suspend, 1 * HZ); 1164 1165 if (ret == 0) { 1166 ath10k_warn(ar, "suspend timed out - target pause event never came\n"); 1167 return -ETIMEDOUT; 1168 } 1169 1170 return 0; 1171} 1172 1173void ath10k_core_stop(struct ath10k *ar) 1174{ 1175 lockdep_assert_held(&ar->conf_mutex); 1176 1177 /* try to suspend target */ 1178 if (ar->state != ATH10K_STATE_RESTARTING && 1179 ar->state != ATH10K_STATE_UTF) 1180 ath10k_wait_for_suspend(ar, WMI_PDEV_SUSPEND_AND_DISABLE_INTR); 1181 1182 ath10k_debug_stop(ar); 1183 ath10k_hif_stop(ar); 1184 ath10k_htt_tx_free(&ar->htt); 1185 ath10k_htt_rx_free(&ar->htt); 1186 ath10k_wmi_detach(ar); 1187} 1188EXPORT_SYMBOL(ath10k_core_stop); 1189 1190/* mac80211 manages fw/hw initialization through start/stop hooks. However in 1191 * order to know what hw capabilities should be advertised to mac80211 it is 1192 * necessary to load the firmware (and tear it down immediately since start 1193 * hook will try to init it again) before registering */ 1194static int ath10k_core_probe_fw(struct ath10k *ar) 1195{ 1196 struct bmi_target_info target_info; 1197 int ret = 0; 1198 1199 ret = ath10k_hif_power_up(ar); 1200 if (ret) { 1201 ath10k_err(ar, "could not start pci hif (%d)\n", ret); 1202 return ret; 1203 } 1204 1205 memset(&target_info, 0, sizeof(target_info)); 1206 ret = ath10k_bmi_get_target_info(ar, &target_info); 1207 if (ret) { 1208 ath10k_err(ar, "could not get target info (%d)\n", ret); 1209 goto err_power_down; 1210 } 1211 1212 ar->target_version = target_info.version; 1213 ar->hw->wiphy->hw_version = target_info.version; 1214 1215 ret = ath10k_init_hw_params(ar); 1216 if (ret) { 1217 ath10k_err(ar, "could not get hw params (%d)\n", ret); 1218 goto err_power_down; 1219 } 1220 1221 ret = ath10k_core_fetch_firmware_files(ar); 1222 if (ret) { 1223 ath10k_err(ar, "could not fetch firmware files (%d)\n", ret); 1224 goto err_power_down; 1225 } 1226 1227 ret = ath10k_core_init_firmware_features(ar); 1228 if (ret) { 1229 ath10k_err(ar, "fatal problem with firmware features: %d\n", 1230 ret); 1231 goto err_free_firmware_files; 1232 } 1233 1234 mutex_lock(&ar->conf_mutex); 1235 1236 ret = ath10k_core_start(ar, ATH10K_FIRMWARE_MODE_NORMAL); 1237 if (ret) { 1238 ath10k_err(ar, "could not init core (%d)\n", ret); 1239 goto err_unlock; 1240 } 1241 1242 ath10k_print_driver_info(ar); 1243 ath10k_core_stop(ar); 1244 1245 mutex_unlock(&ar->conf_mutex); 1246 1247 ath10k_hif_power_down(ar); 1248 return 0; 1249 1250err_unlock: 1251 mutex_unlock(&ar->conf_mutex); 1252 1253err_free_firmware_files: 1254 ath10k_core_free_firmware_files(ar); 1255 1256err_power_down: 1257 ath10k_hif_power_down(ar); 1258 1259 return ret; 1260} 1261 1262static void ath10k_core_register_work(struct work_struct *work) 1263{ 1264 struct ath10k *ar = container_of(work, struct ath10k, register_work); 1265 int status; 1266 1267 status = ath10k_core_probe_fw(ar); 1268 if (status) { 1269 ath10k_err(ar, "could not probe fw (%d)\n", status); 1270 goto err; 1271 } 1272 1273 status = ath10k_mac_register(ar); 1274 if (status) { 1275 ath10k_err(ar, "could not register to mac80211 (%d)\n", status); 1276 goto err_release_fw; 1277 } 1278 1279 status = ath10k_debug_register(ar); 1280 if (status) { 1281 ath10k_err(ar, "unable to initialize debugfs\n"); 1282 goto err_unregister_mac; 1283 } 1284 1285 status = ath10k_spectral_create(ar); 1286 if (status) { 1287 ath10k_err(ar, "failed to initialize spectral\n"); 1288 goto err_debug_destroy; 1289 } 1290 1291 status = ath10k_thermal_register(ar); 1292 if (status) { 1293 ath10k_err(ar, "could not register thermal device: %d\n", 1294 status); 1295 goto err_spectral_destroy; 1296 } 1297 1298 set_bit(ATH10K_FLAG_CORE_REGISTERED, &ar->dev_flags); 1299 return; 1300 1301err_spectral_destroy: 1302 ath10k_spectral_destroy(ar); 1303err_debug_destroy: 1304 ath10k_debug_destroy(ar); 1305err_unregister_mac: 1306 ath10k_mac_unregister(ar); 1307err_release_fw: 1308 ath10k_core_free_firmware_files(ar); 1309err: 1310 /* TODO: It's probably a good idea to release device from the driver 1311 * but calling device_release_driver() here will cause a deadlock. 1312 */ 1313 return; 1314} 1315 1316int ath10k_core_register(struct ath10k *ar, u32 chip_id) 1317{ 1318 ar->chip_id = chip_id; 1319 queue_work(ar->workqueue, &ar->register_work); 1320 1321 return 0; 1322} 1323EXPORT_SYMBOL(ath10k_core_register); 1324 1325void ath10k_core_unregister(struct ath10k *ar) 1326{ 1327 cancel_work_sync(&ar->register_work); 1328 1329 if (!test_bit(ATH10K_FLAG_CORE_REGISTERED, &ar->dev_flags)) 1330 return; 1331 1332 ath10k_thermal_unregister(ar); 1333 /* Stop spectral before unregistering from mac80211 to remove the 1334 * relayfs debugfs file cleanly. Otherwise the parent debugfs tree 1335 * would be already be free'd recursively, leading to a double free. 1336 */ 1337 ath10k_spectral_destroy(ar); 1338 1339 /* We must unregister from mac80211 before we stop HTC and HIF. 1340 * Otherwise we will fail to submit commands to FW and mac80211 will be 1341 * unhappy about callback failures. */ 1342 ath10k_mac_unregister(ar); 1343 1344 ath10k_testmode_destroy(ar); 1345 1346 ath10k_core_free_firmware_files(ar); 1347 1348 ath10k_debug_unregister(ar); 1349} 1350EXPORT_SYMBOL(ath10k_core_unregister); 1351 1352struct ath10k *ath10k_core_create(size_t priv_size, struct device *dev, 1353 enum ath10k_bus bus, 1354 enum ath10k_hw_rev hw_rev, 1355 const struct ath10k_hif_ops *hif_ops) 1356{ 1357 struct ath10k *ar; 1358 int ret; 1359 1360 ar = ath10k_mac_create(priv_size); 1361 if (!ar) 1362 return NULL; 1363 1364 ar->ath_common.priv = ar; 1365 ar->ath_common.hw = ar->hw; 1366 ar->dev = dev; 1367 ar->hw_rev = hw_rev; 1368 ar->hif.ops = hif_ops; 1369 ar->hif.bus = bus; 1370 1371 switch (hw_rev) { 1372 case ATH10K_HW_QCA988X: 1373 ar->regs = &qca988x_regs; 1374 break; 1375 case ATH10K_HW_QCA6174: 1376 ar->regs = &qca6174_regs; 1377 break; 1378 default: 1379 ath10k_err(ar, "unsupported core hardware revision %d\n", 1380 hw_rev); 1381 ret = -ENOTSUPP; 1382 goto err_free_mac; 1383 } 1384 1385 init_completion(&ar->scan.started); 1386 init_completion(&ar->scan.completed); 1387 init_completion(&ar->scan.on_channel); 1388 init_completion(&ar->target_suspend); 1389 1390 init_completion(&ar->install_key_done); 1391 init_completion(&ar->vdev_setup_done); 1392 init_completion(&ar->thermal.wmi_sync); 1393 1394 INIT_DELAYED_WORK(&ar->scan.timeout, ath10k_scan_timeout_work); 1395 1396 ar->workqueue = create_singlethread_workqueue("ath10k_wq"); 1397 if (!ar->workqueue) 1398 goto err_free_mac; 1399 1400 mutex_init(&ar->conf_mutex); 1401 spin_lock_init(&ar->data_lock); 1402 1403 INIT_LIST_HEAD(&ar->peers); 1404 init_waitqueue_head(&ar->peer_mapping_wq); 1405 init_waitqueue_head(&ar->htt.empty_tx_wq); 1406 init_waitqueue_head(&ar->wmi.tx_credits_wq); 1407 1408 init_completion(&ar->offchan_tx_completed); 1409 INIT_WORK(&ar->offchan_tx_work, ath10k_offchan_tx_work); 1410 skb_queue_head_init(&ar->offchan_tx_queue); 1411 1412 INIT_WORK(&ar->wmi_mgmt_tx_work, ath10k_mgmt_over_wmi_tx_work); 1413 skb_queue_head_init(&ar->wmi_mgmt_tx_queue); 1414 1415 INIT_WORK(&ar->register_work, ath10k_core_register_work); 1416 INIT_WORK(&ar->restart_work, ath10k_core_restart); 1417 1418 ret = ath10k_debug_create(ar); 1419 if (ret) 1420 goto err_free_wq; 1421 1422 return ar; 1423 1424err_free_wq: 1425 destroy_workqueue(ar->workqueue); 1426 1427err_free_mac: 1428 ath10k_mac_destroy(ar); 1429 1430 return NULL; 1431} 1432EXPORT_SYMBOL(ath10k_core_create); 1433 1434void ath10k_core_destroy(struct ath10k *ar) 1435{ 1436 flush_workqueue(ar->workqueue); 1437 destroy_workqueue(ar->workqueue); 1438 1439 ath10k_debug_destroy(ar); 1440 ath10k_mac_destroy(ar); 1441} 1442EXPORT_SYMBOL(ath10k_core_destroy); 1443 1444MODULE_AUTHOR("Qualcomm Atheros"); 1445MODULE_DESCRIPTION("Core module for QCA988X PCIe devices."); 1446MODULE_LICENSE("Dual BSD/GPL"); 1447