linux/drivers/net/wireless/ath/ath11k/core.c
<<
>>
Prefs
   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
  18unsigned int ath11k_debug_mask;
  19EXPORT_SYMBOL(ath11k_debug_mask);
  20module_param_named(debug_mask, ath11k_debug_mask, uint, 0644);
  21MODULE_PARM_DESC(debug_mask, "Debugging mask");
  22
  23static unsigned int ath11k_crypto_mode;
  24module_param_named(crypto_mode, ath11k_crypto_mode, uint, 0644);
  25MODULE_PARM_DESC(crypto_mode, "crypto mode: 0-hardware, 1-software");
  26
  27/* frame mode values are mapped as per enum ath11k_hw_txrx_mode */
  28unsigned int ath11k_frame_mode = ATH11K_HW_TXRX_NATIVE_WIFI;
  29module_param_named(frame_mode, ath11k_frame_mode, uint, 0644);
  30MODULE_PARM_DESC(frame_mode,
  31                 "Datapath frame mode (0: raw, 1: native wifi (default), 2: ethernet)");
  32
  33static 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                .fix_l1ss = true,
  74        },
  75        {
  76                .hw_rev = ATH11K_HW_IPQ6018_HW10,
  77                .name = "ipq6018 hw1.0",
  78                .fw = {
  79                        .dir = "IPQ6018/hw1.0",
  80                        .board_size = 256 * 1024,
  81                        .cal_size = 256 * 1024,
  82                },
  83                .max_radios = 2,
  84                .bdf_addr = 0x4ABC0000,
  85                .hw_ops = &ipq6018_ops,
  86                .ring_mask = &ath11k_hw_ring_mask_ipq8074,
  87                .internal_sleep_clock = false,
  88                .regs = &ipq8074_regs,
  89                .qmi_service_ins_id = ATH11K_QMI_WLFW_SERVICE_INS_ID_V01_IPQ8074,
  90                .host_ce_config = ath11k_host_ce_config_ipq8074,
  91                .ce_count = 12,
  92                .target_ce_config = ath11k_target_ce_config_wlan_ipq8074,
  93                .target_ce_count = 11,
  94                .svc_to_ce_map = ath11k_target_service_to_ce_map_wlan_ipq6018,
  95                .svc_to_ce_map_len = 19,
  96                .single_pdev_only = false,
  97                .rxdma1_enable = true,
  98                .num_rxmda_per_pdev = 1,
  99                .rx_mac_buf_ring = false,
 100                .vdev_start_delay = false,
 101                .htt_peer_map_v2 = true,
 102                .tcl_0_only = false,
 103                .spectral_fft_sz = 4,
 104
 105                .interface_modes = BIT(NL80211_IFTYPE_STATION) |
 106                                        BIT(NL80211_IFTYPE_AP) |
 107                                        BIT(NL80211_IFTYPE_MESH_POINT),
 108                .supports_monitor = true,
 109                .supports_shadow_regs = false,
 110                .idle_ps = false,
 111                .cold_boot_calib = true,
 112                .supports_suspend = false,
 113                .hal_desc_sz = sizeof(struct hal_rx_desc_ipq8074),
 114                .fix_l1ss = true,
 115        },
 116        {
 117                .name = "qca6390 hw2.0",
 118                .hw_rev = ATH11K_HW_QCA6390_HW20,
 119                .fw = {
 120                        .dir = "QCA6390/hw2.0",
 121                        .board_size = 256 * 1024,
 122                        .cal_size = 256 * 1024,
 123                },
 124                .max_radios = 3,
 125                .bdf_addr = 0x4B0C0000,
 126                .hw_ops = &qca6390_ops,
 127                .ring_mask = &ath11k_hw_ring_mask_qca6390,
 128                .internal_sleep_clock = true,
 129                .regs = &qca6390_regs,
 130                .qmi_service_ins_id = ATH11K_QMI_WLFW_SERVICE_INS_ID_V01_QCA6390,
 131                .host_ce_config = ath11k_host_ce_config_qca6390,
 132                .ce_count = 9,
 133                .target_ce_config = ath11k_target_ce_config_wlan_qca6390,
 134                .target_ce_count = 9,
 135                .svc_to_ce_map = ath11k_target_service_to_ce_map_wlan_qca6390,
 136                .svc_to_ce_map_len = 14,
 137                .single_pdev_only = true,
 138                .rxdma1_enable = false,
 139                .num_rxmda_per_pdev = 2,
 140                .rx_mac_buf_ring = true,
 141                .vdev_start_delay = true,
 142                .htt_peer_map_v2 = false,
 143                .tcl_0_only = true,
 144                .spectral_fft_sz = 0,
 145
 146                .interface_modes = BIT(NL80211_IFTYPE_STATION) |
 147                                        BIT(NL80211_IFTYPE_AP),
 148                .supports_monitor = false,
 149                .supports_shadow_regs = true,
 150                .idle_ps = true,
 151                .cold_boot_calib = false,
 152                .supports_suspend = true,
 153                .hal_desc_sz = sizeof(struct hal_rx_desc_ipq8074),
 154                .fix_l1ss = true,
 155        },
 156        {
 157                .name = "qcn9074 hw1.0",
 158                .hw_rev = ATH11K_HW_QCN9074_HW10,
 159                .fw = {
 160                        .dir = "QCN9074/hw1.0",
 161                        .board_size = 256 * 1024,
 162                        .cal_size = 256 * 1024,
 163                },
 164                .max_radios = 1,
 165                .single_pdev_only = false,
 166                .qmi_service_ins_id = ATH11K_QMI_WLFW_SERVICE_INS_ID_V01_QCN9074,
 167                .hw_ops = &qcn9074_ops,
 168                .ring_mask = &ath11k_hw_ring_mask_qcn9074,
 169                .internal_sleep_clock = false,
 170                .regs = &qcn9074_regs,
 171                .host_ce_config = ath11k_host_ce_config_qcn9074,
 172                .ce_count = 6,
 173                .target_ce_config = ath11k_target_ce_config_wlan_qcn9074,
 174                .target_ce_count = 9,
 175                .svc_to_ce_map = ath11k_target_service_to_ce_map_wlan_qcn9074,
 176                .svc_to_ce_map_len = 18,
 177                .rxdma1_enable = true,
 178                .num_rxmda_per_pdev = 1,
 179                .rx_mac_buf_ring = false,
 180                .vdev_start_delay = false,
 181                .htt_peer_map_v2 = true,
 182                .tcl_0_only = false,
 183                .interface_modes = BIT(NL80211_IFTYPE_STATION) |
 184                                        BIT(NL80211_IFTYPE_AP) |
 185                                        BIT(NL80211_IFTYPE_MESH_POINT),
 186                .supports_monitor = true,
 187                .supports_shadow_regs = false,
 188                .idle_ps = false,
 189                .cold_boot_calib = false,
 190                .supports_suspend = false,
 191                .hal_desc_sz = sizeof(struct hal_rx_desc_qcn9074),
 192                .fix_l1ss = true,
 193        },
 194        {
 195                .name = "wcn6855 hw2.0",
 196                .hw_rev = ATH11K_HW_WCN6855_HW20,
 197                .fw = {
 198                        .dir = "WCN6855/hw2.0",
 199                        .board_size = 256 * 1024,
 200                        .cal_size = 256 * 1024,
 201                },
 202                .max_radios = 3,
 203                .bdf_addr = 0x4B0C0000,
 204                .hw_ops = &wcn6855_ops,
 205                .ring_mask = &ath11k_hw_ring_mask_qca6390,
 206                .internal_sleep_clock = true,
 207                .regs = &wcn6855_regs,
 208                .qmi_service_ins_id = ATH11K_QMI_WLFW_SERVICE_INS_ID_V01_QCA6390,
 209                .host_ce_config = ath11k_host_ce_config_qca6390,
 210                .ce_count = 9,
 211                .target_ce_config = ath11k_target_ce_config_wlan_qca6390,
 212                .target_ce_count = 9,
 213                .svc_to_ce_map = ath11k_target_service_to_ce_map_wlan_qca6390,
 214                .svc_to_ce_map_len = 14,
 215                .single_pdev_only = true,
 216                .rxdma1_enable = false,
 217                .num_rxmda_per_pdev = 2,
 218                .rx_mac_buf_ring = true,
 219                .vdev_start_delay = true,
 220                .htt_peer_map_v2 = false,
 221                .tcl_0_only = true,
 222                .spectral_fft_sz = 0,
 223
 224                .interface_modes = BIT(NL80211_IFTYPE_STATION) |
 225                                        BIT(NL80211_IFTYPE_AP),
 226                .supports_monitor = false,
 227                .supports_shadow_regs = true,
 228                .idle_ps = true,
 229                .cold_boot_calib = false,
 230                .supports_suspend = true,
 231                .hal_desc_sz = sizeof(struct hal_rx_desc_wcn6855),
 232                .fix_l1ss = false,
 233        },
 234};
 235
 236int ath11k_core_suspend(struct ath11k_base *ab)
 237{
 238        int ret;
 239
 240        if (!ab->hw_params.supports_suspend)
 241                return -EOPNOTSUPP;
 242
 243        /* TODO: there can frames in queues so for now add delay as a hack.
 244         * Need to implement to handle and remove this delay.
 245         */
 246        msleep(500);
 247
 248        ret = ath11k_dp_rx_pktlog_stop(ab, true);
 249        if (ret) {
 250                ath11k_warn(ab, "failed to stop dp rx (and timer) pktlog during suspend: %d\n",
 251                            ret);
 252                return ret;
 253        }
 254
 255        ret = ath11k_wow_enable(ab);
 256        if (ret) {
 257                ath11k_warn(ab, "failed to enable wow during suspend: %d\n", ret);
 258                return ret;
 259        }
 260
 261        ret = ath11k_dp_rx_pktlog_stop(ab, false);
 262        if (ret) {
 263                ath11k_warn(ab, "failed to stop dp rx pktlog during suspend: %d\n",
 264                            ret);
 265                return ret;
 266        }
 267
 268        ath11k_ce_stop_shadow_timers(ab);
 269        ath11k_dp_stop_shadow_timers(ab);
 270
 271        ath11k_hif_irq_disable(ab);
 272        ath11k_hif_ce_irq_disable(ab);
 273
 274        ret = ath11k_hif_suspend(ab);
 275        if (ret) {
 276                ath11k_warn(ab, "failed to suspend hif: %d\n", ret);
 277                return ret;
 278        }
 279
 280        return 0;
 281}
 282EXPORT_SYMBOL(ath11k_core_suspend);
 283
 284int ath11k_core_resume(struct ath11k_base *ab)
 285{
 286        int ret;
 287
 288        if (!ab->hw_params.supports_suspend)
 289                return -EOPNOTSUPP;
 290
 291        ret = ath11k_hif_resume(ab);
 292        if (ret) {
 293                ath11k_warn(ab, "failed to resume hif during resume: %d\n", ret);
 294                return ret;
 295        }
 296
 297        ath11k_hif_ce_irq_enable(ab);
 298        ath11k_hif_irq_enable(ab);
 299
 300        ret = ath11k_dp_rx_pktlog_start(ab);
 301        if (ret) {
 302                ath11k_warn(ab, "failed to start rx pktlog during resume: %d\n",
 303                            ret);
 304                return ret;
 305        }
 306
 307        ret = ath11k_wow_wakeup(ab);
 308        if (ret) {
 309                ath11k_warn(ab, "failed to wakeup wow during resume: %d\n", ret);
 310                return ret;
 311        }
 312
 313        return 0;
 314}
 315EXPORT_SYMBOL(ath11k_core_resume);
 316
 317int ath11k_core_check_dt(struct ath11k_base *ab)
 318{
 319        size_t max_len = sizeof(ab->qmi.target.bdf_ext);
 320        const char *variant = NULL;
 321        struct device_node *node;
 322
 323        node = ab->dev->of_node;
 324        if (!node)
 325                return -ENOENT;
 326
 327        of_property_read_string(node, "qcom,ath11k-calibration-variant",
 328                                &variant);
 329        if (!variant)
 330                return -ENODATA;
 331
 332        if (strscpy(ab->qmi.target.bdf_ext, variant, max_len) < 0)
 333                ath11k_dbg(ab, ATH11K_DBG_BOOT,
 334                           "bdf variant string is longer than the buffer can accommodate (variant: %s)\n",
 335                            variant);
 336
 337        return 0;
 338}
 339
 340static int ath11k_core_create_board_name(struct ath11k_base *ab, char *name,
 341                                         size_t name_len)
 342{
 343        /* strlen(',variant=') + strlen(ab->qmi.target.bdf_ext) */
 344        char variant[9 + ATH11K_QMI_BDF_EXT_STR_LENGTH] = { 0 };
 345
 346        if (ab->qmi.target.bdf_ext[0] != '\0')
 347                scnprintf(variant, sizeof(variant), ",variant=%s",
 348                          ab->qmi.target.bdf_ext);
 349
 350        scnprintf(name, name_len,
 351                  "bus=%s,qmi-chip-id=%d,qmi-board-id=%d%s",
 352                  ath11k_bus_str(ab->hif.bus),
 353                  ab->qmi.target.chip_id,
 354                  ab->qmi.target.board_id, variant);
 355
 356        ath11k_dbg(ab, ATH11K_DBG_BOOT, "boot using board name '%s'\n", name);
 357
 358        return 0;
 359}
 360
 361const struct firmware *ath11k_core_firmware_request(struct ath11k_base *ab,
 362                                                    const char *file)
 363{
 364        const struct firmware *fw;
 365        char path[100];
 366        int ret;
 367
 368        if (file == NULL)
 369                return ERR_PTR(-ENOENT);
 370
 371        ath11k_core_create_firmware_path(ab, file, path, sizeof(path));
 372
 373        ret = firmware_request_nowarn(&fw, path, ab->dev);
 374        if (ret)
 375                return ERR_PTR(ret);
 376
 377        ath11k_dbg(ab, ATH11K_DBG_BOOT, "boot firmware request %s size %zu\n",
 378                   path, fw->size);
 379
 380        return fw;
 381}
 382
 383void ath11k_core_free_bdf(struct ath11k_base *ab, struct ath11k_board_data *bd)
 384{
 385        if (!IS_ERR(bd->fw))
 386                release_firmware(bd->fw);
 387
 388        memset(bd, 0, sizeof(*bd));
 389}
 390
 391static int ath11k_core_parse_bd_ie_board(struct ath11k_base *ab,
 392                                         struct ath11k_board_data *bd,
 393                                         const void *buf, size_t buf_len,
 394                                         const char *boardname,
 395                                         int bd_ie_type)
 396{
 397        const struct ath11k_fw_ie *hdr;
 398        bool name_match_found;
 399        int ret, board_ie_id;
 400        size_t board_ie_len;
 401        const void *board_ie_data;
 402
 403        name_match_found = false;
 404
 405        /* go through ATH11K_BD_IE_BOARD_ elements */
 406        while (buf_len > sizeof(struct ath11k_fw_ie)) {
 407                hdr = buf;
 408                board_ie_id = le32_to_cpu(hdr->id);
 409                board_ie_len = le32_to_cpu(hdr->len);
 410                board_ie_data = hdr->data;
 411
 412                buf_len -= sizeof(*hdr);
 413                buf += sizeof(*hdr);
 414
 415                if (buf_len < ALIGN(board_ie_len, 4)) {
 416                        ath11k_err(ab, "invalid ATH11K_BD_IE_BOARD length: %zu < %zu\n",
 417                                   buf_len, ALIGN(board_ie_len, 4));
 418                        ret = -EINVAL;
 419                        goto out;
 420                }
 421
 422                switch (board_ie_id) {
 423                case ATH11K_BD_IE_BOARD_NAME:
 424                        ath11k_dbg_dump(ab, ATH11K_DBG_BOOT, "board name", "",
 425                                        board_ie_data, board_ie_len);
 426
 427                        if (board_ie_len != strlen(boardname))
 428                                break;
 429
 430                        ret = memcmp(board_ie_data, boardname, strlen(boardname));
 431                        if (ret)
 432                                break;
 433
 434                        name_match_found = true;
 435                        ath11k_dbg(ab, ATH11K_DBG_BOOT,
 436                                   "boot found match for name '%s'",
 437                                   boardname);
 438                        break;
 439                case ATH11K_BD_IE_BOARD_DATA:
 440                        if (!name_match_found)
 441                                /* no match found */
 442                                break;
 443
 444                        ath11k_dbg(ab, ATH11K_DBG_BOOT,
 445                                   "boot found board data for '%s'", boardname);
 446
 447                        bd->data = board_ie_data;
 448                        bd->len = board_ie_len;
 449
 450                        ret = 0;
 451                        goto out;
 452                default:
 453                        ath11k_warn(ab, "unknown ATH11K_BD_IE_BOARD found: %d\n",
 454                                    board_ie_id);
 455                        break;
 456                }
 457
 458                /* jump over the padding */
 459                board_ie_len = ALIGN(board_ie_len, 4);
 460
 461                buf_len -= board_ie_len;
 462                buf += board_ie_len;
 463        }
 464
 465        /* no match found */
 466        ret = -ENOENT;
 467
 468out:
 469        return ret;
 470}
 471
 472static int ath11k_core_fetch_board_data_api_n(struct ath11k_base *ab,
 473                                              struct ath11k_board_data *bd,
 474                                              const char *boardname)
 475{
 476        size_t len, magic_len;
 477        const u8 *data;
 478        char *filename, filepath[100];
 479        size_t ie_len;
 480        struct ath11k_fw_ie *hdr;
 481        int ret, ie_id;
 482
 483        filename = ATH11K_BOARD_API2_FILE;
 484
 485        if (!bd->fw)
 486                bd->fw = ath11k_core_firmware_request(ab, filename);
 487
 488        if (IS_ERR(bd->fw))
 489                return PTR_ERR(bd->fw);
 490
 491        data = bd->fw->data;
 492        len = bd->fw->size;
 493
 494        ath11k_core_create_firmware_path(ab, filename,
 495                                         filepath, sizeof(filepath));
 496
 497        /* magic has extra null byte padded */
 498        magic_len = strlen(ATH11K_BOARD_MAGIC) + 1;
 499        if (len < magic_len) {
 500                ath11k_err(ab, "failed to find magic value in %s, file too short: %zu\n",
 501                           filepath, len);
 502                ret = -EINVAL;
 503                goto err;
 504        }
 505
 506        if (memcmp(data, ATH11K_BOARD_MAGIC, magic_len)) {
 507                ath11k_err(ab, "found invalid board magic\n");
 508                ret = -EINVAL;
 509                goto err;
 510        }
 511
 512        /* magic is padded to 4 bytes */
 513        magic_len = ALIGN(magic_len, 4);
 514        if (len < magic_len) {
 515                ath11k_err(ab, "failed: %s too small to contain board data, len: %zu\n",
 516                           filepath, len);
 517                ret = -EINVAL;
 518                goto err;
 519        }
 520
 521        data += magic_len;
 522        len -= magic_len;
 523
 524        while (len > sizeof(struct ath11k_fw_ie)) {
 525                hdr = (struct ath11k_fw_ie *)data;
 526                ie_id = le32_to_cpu(hdr->id);
 527                ie_len = le32_to_cpu(hdr->len);
 528
 529                len -= sizeof(*hdr);
 530                data = hdr->data;
 531
 532                if (len < ALIGN(ie_len, 4)) {
 533                        ath11k_err(ab, "invalid length for board ie_id %d ie_len %zu len %zu\n",
 534                                   ie_id, ie_len, len);
 535                        ret = -EINVAL;
 536                        goto err;
 537                }
 538
 539                switch (ie_id) {
 540                case ATH11K_BD_IE_BOARD:
 541                        ret = ath11k_core_parse_bd_ie_board(ab, bd, data,
 542                                                            ie_len,
 543                                                            boardname,
 544                                                            ATH11K_BD_IE_BOARD);
 545                        if (ret == -ENOENT)
 546                                /* no match found, continue */
 547                                break;
 548                        else if (ret)
 549                                /* there was an error, bail out */
 550                                goto err;
 551                        /* either found or error, so stop searching */
 552                        goto out;
 553                }
 554
 555                /* jump over the padding */
 556                ie_len = ALIGN(ie_len, 4);
 557
 558                len -= ie_len;
 559                data += ie_len;
 560        }
 561
 562out:
 563        if (!bd->data || !bd->len) {
 564                ath11k_err(ab,
 565                           "failed to fetch board data for %s from %s\n",
 566                           boardname, filepath);
 567                ret = -ENODATA;
 568                goto err;
 569        }
 570
 571        return 0;
 572
 573err:
 574        ath11k_core_free_bdf(ab, bd);
 575        return ret;
 576}
 577
 578static int ath11k_core_fetch_board_data_api_1(struct ath11k_base *ab,
 579                                              struct ath11k_board_data *bd)
 580{
 581        bd->fw = ath11k_core_firmware_request(ab, ATH11K_DEFAULT_BOARD_FILE);
 582        if (IS_ERR(bd->fw))
 583                return PTR_ERR(bd->fw);
 584
 585        bd->data = bd->fw->data;
 586        bd->len = bd->fw->size;
 587
 588        return 0;
 589}
 590
 591#define BOARD_NAME_SIZE 100
 592int ath11k_core_fetch_bdf(struct ath11k_base *ab, struct ath11k_board_data *bd)
 593{
 594        char boardname[BOARD_NAME_SIZE];
 595        int ret;
 596
 597        ret = ath11k_core_create_board_name(ab, boardname, BOARD_NAME_SIZE);
 598        if (ret) {
 599                ath11k_err(ab, "failed to create board name: %d", ret);
 600                return ret;
 601        }
 602
 603        ab->bd_api = 2;
 604        ret = ath11k_core_fetch_board_data_api_n(ab, bd, boardname);
 605        if (!ret)
 606                goto success;
 607
 608        ab->bd_api = 1;
 609        ret = ath11k_core_fetch_board_data_api_1(ab, bd);
 610        if (ret) {
 611                ath11k_err(ab, "failed to fetch board-2.bin or board.bin from %s\n",
 612                           ab->hw_params.fw.dir);
 613                return ret;
 614        }
 615
 616success:
 617        ath11k_dbg(ab, ATH11K_DBG_BOOT, "using board api %d\n", ab->bd_api);
 618        return 0;
 619}
 620
 621static void ath11k_core_stop(struct ath11k_base *ab)
 622{
 623        if (!test_bit(ATH11K_FLAG_CRASH_FLUSH, &ab->dev_flags))
 624                ath11k_qmi_firmware_stop(ab);
 625
 626        ath11k_hif_stop(ab);
 627        ath11k_wmi_detach(ab);
 628        ath11k_dp_pdev_reo_cleanup(ab);
 629
 630        /* De-Init of components as needed */
 631}
 632
 633static int ath11k_core_soc_create(struct ath11k_base *ab)
 634{
 635        int ret;
 636
 637        ret = ath11k_qmi_init_service(ab);
 638        if (ret) {
 639                ath11k_err(ab, "failed to initialize qmi :%d\n", ret);
 640                return ret;
 641        }
 642
 643        ret = ath11k_debugfs_soc_create(ab);
 644        if (ret) {
 645                ath11k_err(ab, "failed to create ath11k debugfs\n");
 646                goto err_qmi_deinit;
 647        }
 648
 649        ret = ath11k_hif_power_up(ab);
 650        if (ret) {
 651                ath11k_err(ab, "failed to power up :%d\n", ret);
 652                goto err_debugfs_reg;
 653        }
 654
 655        return 0;
 656
 657err_debugfs_reg:
 658        ath11k_debugfs_soc_destroy(ab);
 659err_qmi_deinit:
 660        ath11k_qmi_deinit_service(ab);
 661        return ret;
 662}
 663
 664static void ath11k_core_soc_destroy(struct ath11k_base *ab)
 665{
 666        ath11k_debugfs_soc_destroy(ab);
 667        ath11k_dp_free(ab);
 668        ath11k_reg_free(ab);
 669        ath11k_qmi_deinit_service(ab);
 670}
 671
 672static int ath11k_core_pdev_create(struct ath11k_base *ab)
 673{
 674        int ret;
 675
 676        ret = ath11k_debugfs_pdev_create(ab);
 677        if (ret) {
 678                ath11k_err(ab, "failed to create core pdev debugfs: %d\n", ret);
 679                return ret;
 680        }
 681
 682        ret = ath11k_mac_register(ab);
 683        if (ret) {
 684                ath11k_err(ab, "failed register the radio with mac80211: %d\n", ret);
 685                goto err_pdev_debug;
 686        }
 687
 688        ret = ath11k_dp_pdev_alloc(ab);
 689        if (ret) {
 690                ath11k_err(ab, "failed to attach DP pdev: %d\n", ret);
 691                goto err_mac_unregister;
 692        }
 693
 694        ret = ath11k_thermal_register(ab);
 695        if (ret) {
 696                ath11k_err(ab, "could not register thermal device: %d\n",
 697                           ret);
 698                goto err_dp_pdev_free;
 699        }
 700
 701        ret = ath11k_spectral_init(ab);
 702        if (ret) {
 703                ath11k_err(ab, "failed to init spectral %d\n", ret);
 704                goto err_thermal_unregister;
 705        }
 706
 707        return 0;
 708
 709err_thermal_unregister:
 710        ath11k_thermal_unregister(ab);
 711err_dp_pdev_free:
 712        ath11k_dp_pdev_free(ab);
 713err_mac_unregister:
 714        ath11k_mac_unregister(ab);
 715err_pdev_debug:
 716        ath11k_debugfs_pdev_destroy(ab);
 717
 718        return ret;
 719}
 720
 721static void ath11k_core_pdev_destroy(struct ath11k_base *ab)
 722{
 723        ath11k_spectral_deinit(ab);
 724        ath11k_thermal_unregister(ab);
 725        ath11k_mac_unregister(ab);
 726        ath11k_hif_irq_disable(ab);
 727        ath11k_dp_pdev_free(ab);
 728        ath11k_debugfs_pdev_destroy(ab);
 729}
 730
 731static int ath11k_core_start(struct ath11k_base *ab,
 732                             enum ath11k_firmware_mode mode)
 733{
 734        int ret;
 735
 736        ret = ath11k_qmi_firmware_start(ab, mode);
 737        if (ret) {
 738                ath11k_err(ab, "failed to attach wmi: %d\n", ret);
 739                return ret;
 740        }
 741
 742        ret = ath11k_wmi_attach(ab);
 743        if (ret) {
 744                ath11k_err(ab, "failed to attach wmi: %d\n", ret);
 745                goto err_firmware_stop;
 746        }
 747
 748        ret = ath11k_htc_init(ab);
 749        if (ret) {
 750                ath11k_err(ab, "failed to init htc: %d\n", ret);
 751                goto err_wmi_detach;
 752        }
 753
 754        ret = ath11k_hif_start(ab);
 755        if (ret) {
 756                ath11k_err(ab, "failed to start HIF: %d\n", ret);
 757                goto err_wmi_detach;
 758        }
 759
 760        ret = ath11k_htc_wait_target(&ab->htc);
 761        if (ret) {
 762                ath11k_err(ab, "failed to connect to HTC: %d\n", ret);
 763                goto err_hif_stop;
 764        }
 765
 766        ret = ath11k_dp_htt_connect(&ab->dp);
 767        if (ret) {
 768                ath11k_err(ab, "failed to connect to HTT: %d\n", ret);
 769                goto err_hif_stop;
 770        }
 771
 772        ret = ath11k_wmi_connect(ab);
 773        if (ret) {
 774                ath11k_err(ab, "failed to connect wmi: %d\n", ret);
 775                goto err_hif_stop;
 776        }
 777
 778        ret = ath11k_htc_start(&ab->htc);
 779        if (ret) {
 780                ath11k_err(ab, "failed to start HTC: %d\n", ret);
 781                goto err_hif_stop;
 782        }
 783
 784        ret = ath11k_wmi_wait_for_service_ready(ab);
 785        if (ret) {
 786                ath11k_err(ab, "failed to receive wmi service ready event: %d\n",
 787                           ret);
 788                goto err_hif_stop;
 789        }
 790
 791        ret = ath11k_mac_allocate(ab);
 792        if (ret) {
 793                ath11k_err(ab, "failed to create new hw device with mac80211 :%d\n",
 794                           ret);
 795                goto err_hif_stop;
 796        }
 797
 798        ath11k_dp_pdev_pre_alloc(ab);
 799
 800        ret = ath11k_dp_pdev_reo_setup(ab);
 801        if (ret) {
 802                ath11k_err(ab, "failed to initialize reo destination rings: %d\n", ret);
 803                goto err_mac_destroy;
 804        }
 805
 806        ret = ath11k_wmi_cmd_init(ab);
 807        if (ret) {
 808                ath11k_err(ab, "failed to send wmi init cmd: %d\n", ret);
 809                goto err_reo_cleanup;
 810        }
 811
 812        ret = ath11k_wmi_wait_for_unified_ready(ab);
 813        if (ret) {
 814                ath11k_err(ab, "failed to receive wmi unified ready event: %d\n",
 815                           ret);
 816                goto err_reo_cleanup;
 817        }
 818
 819        /* put hardware to DBS mode */
 820        if (ab->hw_params.single_pdev_only) {
 821                ret = ath11k_wmi_set_hw_mode(ab, WMI_HOST_HW_MODE_DBS);
 822                if (ret) {
 823                        ath11k_err(ab, "failed to send dbs mode: %d\n", ret);
 824                        goto err_hif_stop;
 825                }
 826        }
 827
 828        ret = ath11k_dp_tx_htt_h2t_ver_req_msg(ab);
 829        if (ret) {
 830                ath11k_err(ab, "failed to send htt version request message: %d\n",
 831                           ret);
 832                goto err_reo_cleanup;
 833        }
 834
 835        return 0;
 836
 837err_reo_cleanup:
 838        ath11k_dp_pdev_reo_cleanup(ab);
 839err_mac_destroy:
 840        ath11k_mac_destroy(ab);
 841err_hif_stop:
 842        ath11k_hif_stop(ab);
 843err_wmi_detach:
 844        ath11k_wmi_detach(ab);
 845err_firmware_stop:
 846        ath11k_qmi_firmware_stop(ab);
 847
 848        return ret;
 849}
 850
 851int ath11k_core_qmi_firmware_ready(struct ath11k_base *ab)
 852{
 853        int ret;
 854
 855        ret = ath11k_ce_init_pipes(ab);
 856        if (ret) {
 857                ath11k_err(ab, "failed to initialize CE: %d\n", ret);
 858                return ret;
 859        }
 860
 861        ret = ath11k_dp_alloc(ab);
 862        if (ret) {
 863                ath11k_err(ab, "failed to init DP: %d\n", ret);
 864                return ret;
 865        }
 866
 867        switch (ath11k_crypto_mode) {
 868        case ATH11K_CRYPT_MODE_SW:
 869                set_bit(ATH11K_FLAG_HW_CRYPTO_DISABLED, &ab->dev_flags);
 870                set_bit(ATH11K_FLAG_RAW_MODE, &ab->dev_flags);
 871                break;
 872        case ATH11K_CRYPT_MODE_HW:
 873                clear_bit(ATH11K_FLAG_HW_CRYPTO_DISABLED, &ab->dev_flags);
 874                clear_bit(ATH11K_FLAG_RAW_MODE, &ab->dev_flags);
 875                break;
 876        default:
 877                ath11k_info(ab, "invalid crypto_mode: %d\n", ath11k_crypto_mode);
 878                return -EINVAL;
 879        }
 880
 881        if (ath11k_frame_mode == ATH11K_HW_TXRX_RAW)
 882                set_bit(ATH11K_FLAG_RAW_MODE, &ab->dev_flags);
 883
 884        mutex_lock(&ab->core_lock);
 885        ret = ath11k_core_start(ab, ATH11K_FIRMWARE_MODE_NORMAL);
 886        if (ret) {
 887                ath11k_err(ab, "failed to start core: %d\n", ret);
 888                goto err_dp_free;
 889        }
 890
 891        ret = ath11k_core_pdev_create(ab);
 892        if (ret) {
 893                ath11k_err(ab, "failed to create pdev core: %d\n", ret);
 894                goto err_core_stop;
 895        }
 896        ath11k_hif_irq_enable(ab);
 897        mutex_unlock(&ab->core_lock);
 898
 899        return 0;
 900
 901err_core_stop:
 902        ath11k_core_stop(ab);
 903        ath11k_mac_destroy(ab);
 904err_dp_free:
 905        ath11k_dp_free(ab);
 906        mutex_unlock(&ab->core_lock);
 907        return ret;
 908}
 909
 910static int ath11k_core_reconfigure_on_crash(struct ath11k_base *ab)
 911{
 912        int ret;
 913
 914        mutex_lock(&ab->core_lock);
 915        ath11k_thermal_unregister(ab);
 916        ath11k_hif_irq_disable(ab);
 917        ath11k_dp_pdev_free(ab);
 918        ath11k_spectral_deinit(ab);
 919        ath11k_hif_stop(ab);
 920        ath11k_wmi_detach(ab);
 921        ath11k_dp_pdev_reo_cleanup(ab);
 922        mutex_unlock(&ab->core_lock);
 923
 924        ath11k_dp_free(ab);
 925        ath11k_hal_srng_deinit(ab);
 926
 927        ab->free_vdev_map = (1LL << (ab->num_radios * TARGET_NUM_VDEVS)) - 1;
 928
 929        ret = ath11k_hal_srng_init(ab);
 930        if (ret)
 931                return ret;
 932
 933        clear_bit(ATH11K_FLAG_CRASH_FLUSH, &ab->dev_flags);
 934
 935        ret = ath11k_core_qmi_firmware_ready(ab);
 936        if (ret)
 937                goto err_hal_srng_deinit;
 938
 939        clear_bit(ATH11K_FLAG_RECOVERY, &ab->dev_flags);
 940
 941        return 0;
 942
 943err_hal_srng_deinit:
 944        ath11k_hal_srng_deinit(ab);
 945        return ret;
 946}
 947
 948void ath11k_core_halt(struct ath11k *ar)
 949{
 950        struct ath11k_base *ab = ar->ab;
 951
 952        lockdep_assert_held(&ar->conf_mutex);
 953
 954        ar->num_created_vdevs = 0;
 955        ar->allocated_vdev_map = 0;
 956
 957        ath11k_mac_scan_finish(ar);
 958        ath11k_mac_peer_cleanup_all(ar);
 959        cancel_delayed_work_sync(&ar->scan.timeout);
 960        cancel_work_sync(&ar->regd_update_work);
 961
 962        rcu_assign_pointer(ab->pdevs_active[ar->pdev_idx], NULL);
 963        synchronize_rcu();
 964        INIT_LIST_HEAD(&ar->arvifs);
 965        idr_init(&ar->txmgmt_idr);
 966}
 967
 968static void ath11k_core_restart(struct work_struct *work)
 969{
 970        struct ath11k_base *ab = container_of(work, struct ath11k_base, restart_work);
 971        struct ath11k *ar;
 972        struct ath11k_pdev *pdev;
 973        int i, ret = 0;
 974
 975        spin_lock_bh(&ab->base_lock);
 976        ab->stats.fw_crash_counter++;
 977        spin_unlock_bh(&ab->base_lock);
 978
 979        for (i = 0; i < ab->num_radios; i++) {
 980                pdev = &ab->pdevs[i];
 981                ar = pdev->ar;
 982                if (!ar || ar->state == ATH11K_STATE_OFF)
 983                        continue;
 984
 985                ieee80211_stop_queues(ar->hw);
 986                ath11k_mac_drain_tx(ar);
 987                complete(&ar->scan.started);
 988                complete(&ar->scan.completed);
 989                complete(&ar->peer_assoc_done);
 990                complete(&ar->peer_delete_done);
 991                complete(&ar->install_key_done);
 992                complete(&ar->vdev_setup_done);
 993                complete(&ar->vdev_delete_done);
 994                complete(&ar->bss_survey_done);
 995                complete(&ar->thermal.wmi_sync);
 996
 997                wake_up(&ar->dp.tx_empty_waitq);
 998                idr_for_each(&ar->txmgmt_idr,
 999                             ath11k_mac_tx_mgmt_pending_free, ar);
1000                idr_destroy(&ar->txmgmt_idr);
1001        }
1002
1003        wake_up(&ab->wmi_ab.tx_credits_wq);
1004        wake_up(&ab->peer_mapping_wq);
1005
1006        ret = ath11k_core_reconfigure_on_crash(ab);
1007        if (ret) {
1008                ath11k_err(ab, "failed to reconfigure driver on crash recovery\n");
1009                return;
1010        }
1011
1012        for (i = 0; i < ab->num_radios; i++) {
1013                pdev = &ab->pdevs[i];
1014                ar = pdev->ar;
1015                if (!ar || ar->state == ATH11K_STATE_OFF)
1016                        continue;
1017
1018                mutex_lock(&ar->conf_mutex);
1019
1020                switch (ar->state) {
1021                case ATH11K_STATE_ON:
1022                        ar->state = ATH11K_STATE_RESTARTING;
1023                        ath11k_core_halt(ar);
1024                        ieee80211_restart_hw(ar->hw);
1025                        break;
1026                case ATH11K_STATE_OFF:
1027                        ath11k_warn(ab,
1028                                    "cannot restart radio %d that hasn't been started\n",
1029                                    i);
1030                        break;
1031                case ATH11K_STATE_RESTARTING:
1032                        break;
1033                case ATH11K_STATE_RESTARTED:
1034                        ar->state = ATH11K_STATE_WEDGED;
1035                        fallthrough;
1036                case ATH11K_STATE_WEDGED:
1037                        ath11k_warn(ab,
1038                                    "device is wedged, will not restart radio %d\n", i);
1039                        break;
1040                }
1041                mutex_unlock(&ar->conf_mutex);
1042        }
1043        complete(&ab->driver_recovery);
1044}
1045
1046static int ath11k_init_hw_params(struct ath11k_base *ab)
1047{
1048        const struct ath11k_hw_params *hw_params = NULL;
1049        int i;
1050
1051        for (i = 0; i < ARRAY_SIZE(ath11k_hw_params); i++) {
1052                hw_params = &ath11k_hw_params[i];
1053
1054                if (hw_params->hw_rev == ab->hw_rev)
1055                        break;
1056        }
1057
1058        if (i == ARRAY_SIZE(ath11k_hw_params)) {
1059                ath11k_err(ab, "Unsupported hardware version: 0x%x\n", ab->hw_rev);
1060                return -EINVAL;
1061        }
1062
1063        ab->hw_params = *hw_params;
1064
1065        ath11k_info(ab, "%s\n", ab->hw_params.name);
1066
1067        return 0;
1068}
1069
1070int ath11k_core_pre_init(struct ath11k_base *ab)
1071{
1072        int ret;
1073
1074        ret = ath11k_init_hw_params(ab);
1075        if (ret) {
1076                ath11k_err(ab, "failed to get hw params: %d\n", ret);
1077                return ret;
1078        }
1079
1080        return 0;
1081}
1082EXPORT_SYMBOL(ath11k_core_pre_init);
1083
1084int ath11k_core_init(struct ath11k_base *ab)
1085{
1086        int ret;
1087
1088        ret = ath11k_core_soc_create(ab);
1089        if (ret) {
1090                ath11k_err(ab, "failed to create soc core: %d\n", ret);
1091                return ret;
1092        }
1093
1094        return 0;
1095}
1096EXPORT_SYMBOL(ath11k_core_init);
1097
1098void ath11k_core_deinit(struct ath11k_base *ab)
1099{
1100        mutex_lock(&ab->core_lock);
1101
1102        ath11k_core_pdev_destroy(ab);
1103        ath11k_core_stop(ab);
1104
1105        mutex_unlock(&ab->core_lock);
1106
1107        ath11k_hif_power_down(ab);
1108        ath11k_mac_destroy(ab);
1109        ath11k_core_soc_destroy(ab);
1110}
1111EXPORT_SYMBOL(ath11k_core_deinit);
1112
1113void ath11k_core_free(struct ath11k_base *ab)
1114{
1115        kfree(ab);
1116}
1117EXPORT_SYMBOL(ath11k_core_free);
1118
1119struct ath11k_base *ath11k_core_alloc(struct device *dev, size_t priv_size,
1120                                      enum ath11k_bus bus,
1121                                      const struct ath11k_bus_params *bus_params)
1122{
1123        struct ath11k_base *ab;
1124
1125        ab = kzalloc(sizeof(*ab) + priv_size, GFP_KERNEL);
1126        if (!ab)
1127                return NULL;
1128
1129        init_completion(&ab->driver_recovery);
1130
1131        ab->workqueue = create_singlethread_workqueue("ath11k_wq");
1132        if (!ab->workqueue)
1133                goto err_sc_free;
1134
1135        mutex_init(&ab->core_lock);
1136        spin_lock_init(&ab->base_lock);
1137
1138        INIT_LIST_HEAD(&ab->peers);
1139        init_waitqueue_head(&ab->peer_mapping_wq);
1140        init_waitqueue_head(&ab->wmi_ab.tx_credits_wq);
1141        init_waitqueue_head(&ab->qmi.cold_boot_waitq);
1142        INIT_WORK(&ab->restart_work, ath11k_core_restart);
1143        timer_setup(&ab->rx_replenish_retry, ath11k_ce_rx_replenish_retry, 0);
1144        init_completion(&ab->htc_suspend);
1145        init_completion(&ab->wow.wakeup_completed);
1146
1147        ab->dev = dev;
1148        ab->bus_params = *bus_params;
1149        ab->hif.bus = bus;
1150
1151        return ab;
1152
1153err_sc_free:
1154        kfree(ab);
1155        return NULL;
1156}
1157EXPORT_SYMBOL(ath11k_core_alloc);
1158
1159MODULE_DESCRIPTION("Core module for Qualcomm Atheros 802.11ax wireless LAN cards.");
1160MODULE_LICENSE("Dual BSD/GPL");
1161