drivers/net/wireless/intel/iwlwifi/mvm/fw.c

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  33  * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
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  63  *****************************************************************************/
  64 #include <net/mac80211.h>
  65 #include <linux/netdevice.h>
  66
  67 #include "iwl-trans.h"
  68 #include "iwl-op-mode.h"
  69 #include "fw/img.h"
  70 #include "iwl-debug.h"
  71 #include "iwl-csr.h" /* for iwl_mvm_rx_card_state_notif */
  72 #include "iwl-io.h" /* for iwl_mvm_rx_card_state_notif */
  73 #include "iwl-prph.h"
  74 #include "fw/acpi.h"
  75
  76 #include "mvm.h"
  77 #include "fw/dbg.h"
  78 #include "iwl-phy-db.h"
  79 #include "iwl-modparams.h"
  80 #include "iwl-nvm-parse.h"
  81
  82 #define MVM_UCODE_ALIVE_TIMEOUT HZ
  83 #define MVM_UCODE_CALIB_TIMEOUT (2*HZ)
  84
  85 #define UCODE_VALID_OK  cpu_to_le32(0x1)
  86
  87 struct iwl_mvm_alive_data {
  88         bool valid;
  89         u32 scd_base_addr;
  90 };
  91
  92 static int iwl_send_tx_ant_cfg(struct iwl_mvm *mvm, u8 valid_tx_ant)
  93 {
  94         struct iwl_tx_ant_cfg_cmd tx_ant_cmd = {
  95                 .valid = cpu_to_le32(valid_tx_ant),
  96         };
  97
  98         IWL_DEBUG_FW(mvm, "select valid tx ant: %u\n", valid_tx_ant);
  99         return iwl_mvm_send_cmd_pdu(mvm, TX_ANT_CONFIGURATION_CMD, 0,
 100                                     sizeof(tx_ant_cmd), &tx_ant_cmd);
 101 }
 102
 103 static int iwl_send_rss_cfg_cmd(struct iwl_mvm *mvm)
 104 {
 105         int i;
 106         struct iwl_rss_config_cmd cmd = {
 107                 .flags = cpu_to_le32(IWL_RSS_ENABLE),
 108                 .hash_mask = BIT(IWL_RSS_HASH_TYPE_IPV4_TCP) |
 109                              BIT(IWL_RSS_HASH_TYPE_IPV4_UDP) |
 110                              BIT(IWL_RSS_HASH_TYPE_IPV4_PAYLOAD) |
 111                              BIT(IWL_RSS_HASH_TYPE_IPV6_TCP) |
 112                              BIT(IWL_RSS_HASH_TYPE_IPV6_UDP) |
 113                              BIT(IWL_RSS_HASH_TYPE_IPV6_PAYLOAD),
 114         };
 115
 116         if (mvm->trans->num_rx_queues == 1)
 117                 return 0;
 118
 119         /* Do not direct RSS traffic to Q 0 which is our fallback queue */
 120         for (i = 0; i < ARRAY_SIZE(cmd.indirection_table); i++)
 121                 cmd.indirection_table[i] =
 122                         1 + (i % (mvm->trans->num_rx_queues - 1));
 123         netdev_rss_key_fill(cmd.secret_key, sizeof(cmd.secret_key));
 124
 125         return iwl_mvm_send_cmd_pdu(mvm, RSS_CONFIG_CMD, 0, sizeof(cmd), &cmd);
 126 }
 127
 128 static int iwl_configure_rxq(struct iwl_mvm *mvm)
 129 {
 130         int i, num_queues, size, ret;
 131         struct iwl_rfh_queue_config *cmd;
 132         struct iwl_host_cmd hcmd = {
 133                 .id = WIDE_ID(DATA_PATH_GROUP, RFH_QUEUE_CONFIG_CMD),
 134                 .dataflags[0] = IWL_HCMD_DFL_NOCOPY,
 135         };
 136
 137         /* Do not configure default queue, it is configured via context info */
 138         num_queues = mvm->trans->num_rx_queues - 1;
 139
 140         size = struct_size(cmd, data, num_queues);
 141
 142         cmd = kzalloc(size, GFP_KERNEL);
 143         if (!cmd)
 144                 return -ENOMEM;
 145
 146         cmd->num_queues = num_queues;
 147
 148         for (i = 0; i < num_queues; i++) {
 149                 struct iwl_trans_rxq_dma_data data;
 150
 151                 cmd->data[i].q_num = i + 1;
 152                 iwl_trans_get_rxq_dma_data(mvm->trans, i + 1, &data);
 153
 154                 cmd->data[i].fr_bd_cb = cpu_to_le64(data.fr_bd_cb);
 155                 cmd->data[i].urbd_stts_wrptr =
 156                         cpu_to_le64(data.urbd_stts_wrptr);
 157                 cmd->data[i].ur_bd_cb = cpu_to_le64(data.ur_bd_cb);
 158                 cmd->data[i].fr_bd_wid = cpu_to_le32(data.fr_bd_wid);
 159         }
 160
 161         hcmd.data[0] = cmd;
 162         hcmd.len[0] = size;
 163
 164         ret = iwl_mvm_send_cmd(mvm, &hcmd);
 165
 166         kfree(cmd);
 167
 168         return ret;
 169 }
 170
 171 static int iwl_mvm_send_dqa_cmd(struct iwl_mvm *mvm)
 172 {
 173         struct iwl_dqa_enable_cmd dqa_cmd = {
 174                 .cmd_queue = cpu_to_le32(IWL_MVM_DQA_CMD_QUEUE),
 175         };
 176         u32 cmd_id = iwl_cmd_id(DQA_ENABLE_CMD, DATA_PATH_GROUP, 0);
 177         int ret;
 178
 179         ret = iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, sizeof(dqa_cmd), &dqa_cmd);
 180         if (ret)
 181                 IWL_ERR(mvm, "Failed to send DQA enabling command: %d\n", ret);
 182         else
 183                 IWL_DEBUG_FW(mvm, "Working in DQA mode\n");
 184
 185         return ret;
 186 }
 187
 188 void iwl_mvm_mfu_assert_dump_notif(struct iwl_mvm *mvm,
 189                                    struct iwl_rx_cmd_buffer *rxb)
 190 {
 191         struct iwl_rx_packet *pkt = rxb_addr(rxb);
 192         struct iwl_mfu_assert_dump_notif *mfu_dump_notif = (void *)pkt->data;
 193         __le32 *dump_data = mfu_dump_notif->data;
 194         int n_words = le32_to_cpu(mfu_dump_notif->data_size) / sizeof(__le32);
 195         int i;
 196
 197         if (mfu_dump_notif->index_num == 0)
 198                 IWL_INFO(mvm, "MFUART assert id 0x%x occurred\n",
 199                          le32_to_cpu(mfu_dump_notif->assert_id));
 200
 201         for (i = 0; i < n_words; i++)
 202                 IWL_DEBUG_INFO(mvm,
 203                                "MFUART assert dump, dword %u: 0x%08x\n",
 204                                le16_to_cpu(mfu_dump_notif->index_num) *
 205                                n_words + i,
 206                                le32_to_cpu(dump_data[i]));
 207 }
 208
 209 static bool iwl_alive_fn(struct iwl_notif_wait_data *notif_wait,
 210                          struct iwl_rx_packet *pkt, void *data)
 211 {
 212         struct iwl_mvm *mvm =
 213                 container_of(notif_wait, struct iwl_mvm, notif_wait);
 214         struct iwl_mvm_alive_data *alive_data = data;
 215         struct mvm_alive_resp_v3 *palive3;
 216         struct mvm_alive_resp *palive;
 217         struct iwl_umac_alive *umac;
 218         struct iwl_lmac_alive *lmac1;
 219         struct iwl_lmac_alive *lmac2 = NULL;
 220         u16 status;
 221         u32 lmac_error_event_table, umac_error_event_table;
 222
 223         if (iwl_rx_packet_payload_len(pkt) == sizeof(*palive)) {
 224                 palive = (void *)pkt->data;
 225                 umac = &palive->umac_data;
 226                 lmac1 = &palive->lmac_data[0];
 227                 lmac2 = &palive->lmac_data[1];
 228                 status = le16_to_cpu(palive->status);
 229         } else {
 230                 palive3 = (void *)pkt->data;
 231                 umac = &palive3->umac_data;
 232                 lmac1 = &palive3->lmac_data;
 233                 status = le16_to_cpu(palive3->status);
 234         }
 235
 236         lmac_error_event_table =
 237                 le32_to_cpu(lmac1->dbg_ptrs.error_event_table_ptr);
 238         iwl_fw_lmac1_set_alive_err_table(mvm->trans, lmac_error_event_table);
 239
 240         if (lmac2)
 241                 mvm->trans->dbg.lmac_error_event_table[1] =
 242                         le32_to_cpu(lmac2->dbg_ptrs.error_event_table_ptr);
 243
 244         umac_error_event_table = le32_to_cpu(umac->dbg_ptrs.error_info_addr);
 245
 246         if (!umac_error_event_table) {
 247                 mvm->support_umac_log = false;
 248         } else if (umac_error_event_table >=
 249                    mvm->trans->cfg->min_umac_error_event_table) {
 250                 mvm->support_umac_log = true;
 251         } else {
 252                 IWL_ERR(mvm,
 253                         "Not valid error log pointer 0x%08X for %s uCode\n",
 254                         umac_error_event_table,
 255                         (mvm->fwrt.cur_fw_img == IWL_UCODE_INIT) ?
 256                         "Init" : "RT");
 257                 mvm->support_umac_log = false;
 258         }
 259
 260         if (mvm->support_umac_log)
 261                 iwl_fw_umac_set_alive_err_table(mvm->trans,
 262                                                 umac_error_event_table);
 263
 264         alive_data->scd_base_addr = le32_to_cpu(lmac1->dbg_ptrs.scd_base_ptr);
 265         alive_data->valid = status == IWL_ALIVE_STATUS_OK;
 266
 267         IWL_DEBUG_FW(mvm,
 268                      "Alive ucode status 0x%04x revision 0x%01X 0x%01X\n",
 269                      status, lmac1->ver_type, lmac1->ver_subtype);
 270
 271         if (lmac2)
 272                 IWL_DEBUG_FW(mvm, "Alive ucode CDB\n");
 273
 274         IWL_DEBUG_FW(mvm,
 275                      "UMAC version: Major - 0x%x, Minor - 0x%x\n",
 276                      le32_to_cpu(umac->umac_major),
 277                      le32_to_cpu(umac->umac_minor));
 278
 279         iwl_fwrt_update_fw_versions(&mvm->fwrt, lmac1, umac);
 280
 281         return true;
 282 }
 283
 284 static bool iwl_wait_init_complete(struct iwl_notif_wait_data *notif_wait,
 285                                    struct iwl_rx_packet *pkt, void *data)
 286 {
 287         WARN_ON(pkt->hdr.cmd != INIT_COMPLETE_NOTIF);
 288
 289         return true;
 290 }
 291
 292 static bool iwl_wait_phy_db_entry(struct iwl_notif_wait_data *notif_wait,
 293                                   struct iwl_rx_packet *pkt, void *data)
 294 {
 295         struct iwl_phy_db *phy_db = data;
 296
 297         if (pkt->hdr.cmd != CALIB_RES_NOTIF_PHY_DB) {
 298                 WARN_ON(pkt->hdr.cmd != INIT_COMPLETE_NOTIF);
 299                 return true;
 300         }
 301
 302         WARN_ON(iwl_phy_db_set_section(phy_db, pkt));
 303
 304         return false;
 305 }
 306
 307 static int iwl_mvm_load_ucode_wait_alive(struct iwl_mvm *mvm,
 308                                          enum iwl_ucode_type ucode_type)
 309 {
 310         struct iwl_notification_wait alive_wait;
 311         struct iwl_mvm_alive_data alive_data = {};
 312         const struct fw_img *fw;
 313         int ret;
 314         enum iwl_ucode_type old_type = mvm->fwrt.cur_fw_img;
 315         static const u16 alive_cmd[] = { MVM_ALIVE };
 316         bool run_in_rfkill =
 317                 ucode_type == IWL_UCODE_INIT || iwl_mvm_has_unified_ucode(mvm);
 318
 319         if (ucode_type == IWL_UCODE_REGULAR &&
 320             iwl_fw_dbg_conf_usniffer(mvm->fw, FW_DBG_START_FROM_ALIVE) &&
 321             !(fw_has_capa(&mvm->fw->ucode_capa,
 322                           IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED)))
 323                 fw = iwl_get_ucode_image(mvm->fw, IWL_UCODE_REGULAR_USNIFFER);
 324         else
 325                 fw = iwl_get_ucode_image(mvm->fw, ucode_type);
 326         if (WARN_ON(!fw))
 327                 return -EINVAL;
 328         iwl_fw_set_current_image(&mvm->fwrt, ucode_type);
 329         clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status);
 330
 331         iwl_init_notification_wait(&mvm->notif_wait, &alive_wait,
 332                                    alive_cmd, ARRAY_SIZE(alive_cmd),
 333                                    iwl_alive_fn, &alive_data);
 334
 335         /*
 336          * We want to load the INIT firmware even in RFKILL
 337          * For the unified firmware case, the ucode_type is not
 338          * INIT, but we still need to run it.
 339          */
 340         ret = iwl_trans_start_fw(mvm->trans, fw, run_in_rfkill);
 341         if (ret) {
 342                 iwl_fw_set_current_image(&mvm->fwrt, old_type);
 343                 iwl_remove_notification(&mvm->notif_wait, &alive_wait);
 344                 return ret;
 345         }
 346
 347         /*
 348          * Some things may run in the background now, but we
 349          * just wait for the ALIVE notification here.
 350          */
 351         ret = iwl_wait_notification(&mvm->notif_wait, &alive_wait,
 352                                     MVM_UCODE_ALIVE_TIMEOUT);
 353         if (ret) {
 354                 struct iwl_trans *trans = mvm->trans;
 355
 356                 if (ret == -ETIMEDOUT)
 357                         iwl_fw_dbg_error_collect(&mvm->fwrt,
 358                                                  FW_DBG_TRIGGER_ALIVE_TIMEOUT);
 359
 360                 if (trans->cfg->device_family >= IWL_DEVICE_FAMILY_22000)
 361                         IWL_ERR(mvm,
 362                                 "SecBoot CPU1 Status: 0x%x, CPU2 Status: 0x%x\n",
 363                                 iwl_read_umac_prph(trans, UMAG_SB_CPU_1_STATUS),
 364                                 iwl_read_umac_prph(trans,
 365                                                    UMAG_SB_CPU_2_STATUS));
 366                 else if (trans->cfg->device_family >= IWL_DEVICE_FAMILY_8000)
 367                         IWL_ERR(mvm,
 368                                 "SecBoot CPU1 Status: 0x%x, CPU2 Status: 0x%x\n",
 369                                 iwl_read_prph(trans, SB_CPU_1_STATUS),
 370                                 iwl_read_prph(trans, SB_CPU_2_STATUS));
 371                 iwl_fw_set_current_image(&mvm->fwrt, old_type);
 372                 return ret;
 373         }
 374
 375         if (!alive_data.valid) {
 376                 IWL_ERR(mvm, "Loaded ucode is not valid!\n");
 377                 iwl_fw_set_current_image(&mvm->fwrt, old_type);
 378                 return -EIO;
 379         }
 380
 381         iwl_trans_fw_alive(mvm->trans, alive_data.scd_base_addr);
 382
 383         /*
 384          * Note: all the queues are enabled as part of the interface
 385          * initialization, but in firmware restart scenarios they
 386          * could be stopped, so wake them up. In firmware restart,
 387          * mac80211 will have the queues stopped as well until the
 388          * reconfiguration completes. During normal startup, they
 389          * will be empty.
 390          */
 391
 392         memset(&mvm->queue_info, 0, sizeof(mvm->queue_info));
 393         /*
 394          * Set a 'fake' TID for the command queue, since we use the
 395          * hweight() of the tid_bitmap as a refcount now. Not that
 396          * we ever even consider the command queue as one we might
 397          * want to reuse, but be safe nevertheless.
 398          */
 399         mvm->queue_info[IWL_MVM_DQA_CMD_QUEUE].tid_bitmap =
 400                 BIT(IWL_MAX_TID_COUNT + 2);
 401
 402         set_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status);
 403 #ifdef CONFIG_IWLWIFI_DEBUGFS
 404         iwl_fw_set_dbg_rec_on(&mvm->fwrt);
 405 #endif
 406
 407         return 0;
 408 }
 409
 410 static int iwl_run_unified_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm)
 411 {
 412         struct iwl_notification_wait init_wait;
 413         struct iwl_nvm_access_complete_cmd nvm_complete = {};
 414         struct iwl_init_extended_cfg_cmd init_cfg = {
 415                 .init_flags = cpu_to_le32(BIT(IWL_INIT_NVM)),
 416         };
 417         static const u16 init_complete[] = {
 418                 INIT_COMPLETE_NOTIF,
 419         };
 420         int ret;
 421
 422         lockdep_assert_held(&mvm->mutex);
 423
 424         mvm->rfkill_safe_init_done = false;
 425
 426         iwl_init_notification_wait(&mvm->notif_wait,
 427                                    &init_wait,
 428                                    init_complete,
 429                                    ARRAY_SIZE(init_complete),
 430                                    iwl_wait_init_complete,
 431                                    NULL);
 432
 433         iwl_fw_dbg_apply_point(&mvm->fwrt, IWL_FW_INI_APPLY_EARLY);
 434
 435         /* Will also start the device */
 436         ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_REGULAR);
 437         if (ret) {
 438                 IWL_ERR(mvm, "Failed to start RT ucode: %d\n", ret);
 439                 goto error;
 440         }
 441         iwl_fw_dbg_apply_point(&mvm->fwrt, IWL_FW_INI_APPLY_AFTER_ALIVE);
 442
 443         /* Send init config command to mark that we are sending NVM access
 444          * commands
 445          */
 446         ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(SYSTEM_GROUP,
 447                                                 INIT_EXTENDED_CFG_CMD),
 448                                    CMD_SEND_IN_RFKILL,
 449                                    sizeof(init_cfg), &init_cfg);
 450         if (ret) {
 451                 IWL_ERR(mvm, "Failed to run init config command: %d\n",
 452                         ret);
 453                 goto error;
 454         }
 455
 456         /* Load NVM to NIC if needed */
 457         if (mvm->nvm_file_name) {
 458                 iwl_read_external_nvm(mvm->trans, mvm->nvm_file_name,
 459                                       mvm->nvm_sections);
 460                 iwl_mvm_load_nvm_to_nic(mvm);
 461         }
 462
 463         if (IWL_MVM_PARSE_NVM && read_nvm) {
 464                 ret = iwl_nvm_init(mvm);
 465                 if (ret) {
 466                         IWL_ERR(mvm, "Failed to read NVM: %d\n", ret);
 467                         goto error;
 468                 }
 469         }
 470
 471         ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(REGULATORY_AND_NVM_GROUP,
 472                                                 NVM_ACCESS_COMPLETE),
 473                                    CMD_SEND_IN_RFKILL,
 474                                    sizeof(nvm_complete), &nvm_complete);
 475         if (ret) {
 476                 IWL_ERR(mvm, "Failed to run complete NVM access: %d\n",
 477                         ret);
 478                 goto error;
 479         }
 480
 481         /* We wait for the INIT complete notification */
 482         ret = iwl_wait_notification(&mvm->notif_wait, &init_wait,
 483                                     MVM_UCODE_ALIVE_TIMEOUT);
 484         if (ret)
 485                 return ret;
 486
 487         /* Read the NVM only at driver load time, no need to do this twice */
 488         if (!IWL_MVM_PARSE_NVM && read_nvm) {
 489                 mvm->nvm_data = iwl_get_nvm(mvm->trans, mvm->fw);
 490                 if (IS_ERR(mvm->nvm_data)) {
 491                         ret = PTR_ERR(mvm->nvm_data);
 492                         mvm->nvm_data = NULL;
 493                         IWL_ERR(mvm, "Failed to read NVM: %d\n", ret);
 494                         return ret;
 495                 }
 496         }
 497
 498         mvm->rfkill_safe_init_done = true;
 499
 500         return 0;
 501
 502 error:
 503         iwl_remove_notification(&mvm->notif_wait, &init_wait);
 504         return ret;
 505 }
 506
 507 static int iwl_send_phy_cfg_cmd(struct iwl_mvm *mvm)
 508 {
 509         struct iwl_phy_cfg_cmd phy_cfg_cmd;
 510         enum iwl_ucode_type ucode_type = mvm->fwrt.cur_fw_img;
 511
 512         /* Set parameters */
 513         phy_cfg_cmd.phy_cfg = cpu_to_le32(iwl_mvm_get_phy_config(mvm));
 514
 515         /* set flags extra PHY configuration flags from the device's cfg */
 516         phy_cfg_cmd.phy_cfg |= cpu_to_le32(mvm->cfg->extra_phy_cfg_flags);
 517
 518         phy_cfg_cmd.calib_control.event_trigger =
 519                 mvm->fw->default_calib[ucode_type].event_trigger;
 520         phy_cfg_cmd.calib_control.flow_trigger =
 521                 mvm->fw->default_calib[ucode_type].flow_trigger;
 522
 523         IWL_DEBUG_INFO(mvm, "Sending Phy CFG command: 0x%x\n",
 524                        phy_cfg_cmd.phy_cfg);
 525
 526         return iwl_mvm_send_cmd_pdu(mvm, PHY_CONFIGURATION_CMD, 0,
 527                                     sizeof(phy_cfg_cmd), &phy_cfg_cmd);
 528 }
 529
 530 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm)
 531 {
 532         struct iwl_notification_wait calib_wait;
 533         static const u16 init_complete[] = {
 534                 INIT_COMPLETE_NOTIF,
 535                 CALIB_RES_NOTIF_PHY_DB
 536         };
 537         int ret;
 538
 539         if (iwl_mvm_has_unified_ucode(mvm))
 540                 return iwl_run_unified_mvm_ucode(mvm, true);
 541
 542         lockdep_assert_held(&mvm->mutex);
 543
 544         mvm->rfkill_safe_init_done = false;
 545
 546         iwl_init_notification_wait(&mvm->notif_wait,
 547                                    &calib_wait,
 548                                    init_complete,
 549                                    ARRAY_SIZE(init_complete),
 550                                    iwl_wait_phy_db_entry,
 551                                    mvm->phy_db);
 552
 553         /* Will also start the device */
 554         ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_INIT);
 555         if (ret) {
 556                 IWL_ERR(mvm, "Failed to start INIT ucode: %d\n", ret);
 557                 goto remove_notif;
 558         }
 559
 560         if (mvm->cfg->device_family < IWL_DEVICE_FAMILY_8000) {
 561                 ret = iwl_mvm_send_bt_init_conf(mvm);
 562                 if (ret)
 563                         goto remove_notif;
 564         }
 565
 566         /* Read the NVM only at driver load time, no need to do this twice */
 567         if (read_nvm) {
 568                 ret = iwl_nvm_init(mvm);
 569                 if (ret) {
 570                         IWL_ERR(mvm, "Failed to read NVM: %d\n", ret);
 571                         goto remove_notif;
 572                 }
 573         }
 574
 575         /* In case we read the NVM from external file, load it to the NIC */
 576         if (mvm->nvm_file_name)
 577                 iwl_mvm_load_nvm_to_nic(mvm);
 578
 579         WARN_ONCE(mvm->nvm_data->nvm_version < mvm->trans->cfg->nvm_ver,
 580                   "Too old NVM version (0x%0x, required = 0x%0x)",
 581                   mvm->nvm_data->nvm_version, mvm->trans->cfg->nvm_ver);
 582
 583         /*
 584          * abort after reading the nvm in case RF Kill is on, we will complete
 585          * the init seq later when RF kill will switch to off
 586          */
 587         if (iwl_mvm_is_radio_hw_killed(mvm)) {
 588                 IWL_DEBUG_RF_KILL(mvm,
 589                                   "jump over all phy activities due to RF kill\n");
 590                 goto remove_notif;
 591         }
 592
 593         mvm->rfkill_safe_init_done = true;
 594
 595         /* Send TX valid antennas before triggering calibrations */
 596         ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm));
 597         if (ret)
 598                 goto remove_notif;
 599
 600         ret = iwl_send_phy_cfg_cmd(mvm);
 601         if (ret) {
 602                 IWL_ERR(mvm, "Failed to run INIT calibrations: %d\n",
 603                         ret);
 604                 goto remove_notif;
 605         }
 606
 607         /*
 608          * Some things may run in the background now, but we
 609          * just wait for the calibration complete notification.
 610          */
 611         ret = iwl_wait_notification(&mvm->notif_wait, &calib_wait,
 612                                     MVM_UCODE_CALIB_TIMEOUT);
 613         if (!ret)
 614                 goto out;
 615
 616         if (iwl_mvm_is_radio_hw_killed(mvm)) {
 617                 IWL_DEBUG_RF_KILL(mvm, "RFKILL while calibrating.\n");
 618                 ret = 0;
 619         } else {
 620                 IWL_ERR(mvm, "Failed to run INIT calibrations: %d\n",
 621                         ret);
 622         }
 623
 624         goto out;
 625
 626 remove_notif:
 627         iwl_remove_notification(&mvm->notif_wait, &calib_wait);
 628 out:
 629         mvm->rfkill_safe_init_done = false;
 630         if (iwlmvm_mod_params.init_dbg && !mvm->nvm_data) {
 631                 /* we want to debug INIT and we have no NVM - fake */
 632                 mvm->nvm_data = kzalloc(sizeof(struct iwl_nvm_data) +
 633                                         sizeof(struct ieee80211_channel) +
 634                                         sizeof(struct ieee80211_rate),
 635                                         GFP_KERNEL);
 636                 if (!mvm->nvm_data)
 637                         return -ENOMEM;
 638                 mvm->nvm_data->bands[0].channels = mvm->nvm_data->channels;
 639                 mvm->nvm_data->bands[0].n_channels = 1;
 640                 mvm->nvm_data->bands[0].n_bitrates = 1;
 641                 mvm->nvm_data->bands[0].bitrates =
 642                         (void *)mvm->nvm_data->channels + 1;
 643                 mvm->nvm_data->bands[0].bitrates->hw_value = 10;
 644         }
 645
 646         return ret;
 647 }
 648
 649 static int iwl_mvm_config_ltr(struct iwl_mvm *mvm)
 650 {
 651         struct iwl_ltr_config_cmd cmd = {
 652                 .flags = cpu_to_le32(LTR_CFG_FLAG_FEATURE_ENABLE),
 653         };
 654
 655         if (!mvm->trans->ltr_enabled)
 656                 return 0;
 657
 658         return iwl_mvm_send_cmd_pdu(mvm, LTR_CONFIG, 0,
 659                                     sizeof(cmd), &cmd);
 660 }
 661
 662 #ifdef CONFIG_ACPI
 663 static inline int iwl_mvm_sar_set_profile(struct iwl_mvm *mvm,
 664                                           union acpi_object *table,
 665                                           struct iwl_mvm_sar_profile *profile,
 666                                           bool enabled)
 667 {
 668         int i;
 669
 670         profile->enabled = enabled;
 671
 672         for (i = 0; i < ACPI_SAR_TABLE_SIZE; i++) {
 673                 if ((table[i].type != ACPI_TYPE_INTEGER) ||
 674                     (table[i].integer.value > U8_MAX))
 675                         return -EINVAL;
 676
 677                 profile->table[i] = table[i].integer.value;
 678         }
 679
 680         return 0;
 681 }
 682
 683 static int iwl_mvm_sar_get_wrds_table(struct iwl_mvm *mvm)
 684 {
 685         union acpi_object *wifi_pkg, *table, *data;
 686         bool enabled;
 687         int ret, tbl_rev;
 688
 689         data = iwl_acpi_get_object(mvm->dev, ACPI_WRDS_METHOD);
 690         if (IS_ERR(data))
 691                 return PTR_ERR(data);
 692
 693         wifi_pkg = iwl_acpi_get_wifi_pkg(mvm->dev, data,
 694                                          ACPI_WRDS_WIFI_DATA_SIZE, &tbl_rev);
 695         if (IS_ERR(wifi_pkg) || tbl_rev != 0) {
 696                 ret = PTR_ERR(wifi_pkg);
 697                 goto out_free;
 698         }
 699
 700         if (wifi_pkg->package.elements[1].type != ACPI_TYPE_INTEGER) {
 701                 ret = -EINVAL;
 702                 goto out_free;
 703         }
 704
 705         enabled = !!(wifi_pkg->package.elements[1].integer.value);
 706
 707         /* position of the actual table */
 708         table = &wifi_pkg->package.elements[2];
 709
 710         /* The profile from WRDS is officially profile 1, but goes
 711          * into sar_profiles[0] (because we don't have a profile 0).
 712          */
 713         ret = iwl_mvm_sar_set_profile(mvm, table, &mvm->sar_profiles[0],
 714                                       enabled);
 715 out_free:
 716         kfree(data);
 717         return ret;
 718 }
 719
 720 static int iwl_mvm_sar_get_ewrd_table(struct iwl_mvm *mvm)
 721 {
 722         union acpi_object *wifi_pkg, *data;
 723         bool enabled;
 724         int i, n_profiles, ret, tbl_rev;
 725
 726         data = iwl_acpi_get_object(mvm->dev, ACPI_EWRD_METHOD);
 727         if (IS_ERR(data))
 728                 return PTR_ERR(data);
 729
 730         wifi_pkg = iwl_acpi_get_wifi_pkg(mvm->dev, data,
 731                                          ACPI_EWRD_WIFI_DATA_SIZE, &tbl_rev);
 732         if (IS_ERR(wifi_pkg) || tbl_rev != 0) {
 733                 ret = PTR_ERR(wifi_pkg);
 734                 goto out_free;
 735         }
 736
 737         if ((wifi_pkg->package.elements[1].type != ACPI_TYPE_INTEGER) ||
 738             (wifi_pkg->package.elements[2].type != ACPI_TYPE_INTEGER)) {
 739                 ret = -EINVAL;
 740                 goto out_free;
 741         }
 742
 743         enabled = !!(wifi_pkg->package.elements[1].integer.value);
 744         n_profiles = wifi_pkg->package.elements[2].integer.value;
 745
 746         /*
 747          * Check the validity of n_profiles.  The EWRD profiles start
 748          * from index 1, so the maximum value allowed here is
 749          * ACPI_SAR_PROFILES_NUM - 1.
 750          */
 751         if (n_profiles <= 0 || n_profiles >= ACPI_SAR_PROFILE_NUM) {
 752                 ret = -EINVAL;
 753                 goto out_free;
 754         }
 755
 756         for (i = 0; i < n_profiles; i++) {
 757                 /* the tables start at element 3 */
 758                 int pos = 3;
 759
 760                 /* The EWRD profiles officially go from 2 to 4, but we
 761                  * save them in sar_profiles[1-3] (because we don't
 762                  * have profile 0).  So in the array we start from 1.
 763                  */
 764                 ret = iwl_mvm_sar_set_profile(mvm,
 765                                               &wifi_pkg->package.elements[pos],
 766                                               &mvm->sar_profiles[i + 1],
 767                                               enabled);
 768                 if (ret < 0)
 769                         break;
 770
 771                 /* go to the next table */
 772                 pos += ACPI_SAR_TABLE_SIZE;
 773         }
 774
 775 out_free:
 776         kfree(data);
 777         return ret;
 778 }
 779
 780 static int iwl_mvm_sar_get_wgds_table(struct iwl_mvm *mvm)
 781 {
 782         union acpi_object *wifi_pkg, *data;
 783         int i, j, ret, tbl_rev;
 784         int idx = 1;
 785
 786         data = iwl_acpi_get_object(mvm->dev, ACPI_WGDS_METHOD);
 787         if (IS_ERR(data))
 788                 return PTR_ERR(data);
 789
 790         wifi_pkg = iwl_acpi_get_wifi_pkg(mvm->dev, data,
 791                                          ACPI_WGDS_WIFI_DATA_SIZE, &tbl_rev);
 792         if (IS_ERR(wifi_pkg) || tbl_rev > 1) {
 793                 ret = PTR_ERR(wifi_pkg);
 794                 goto out_free;
 795         }
 796
 797         mvm->geo_rev = tbl_rev;
 798         for (i = 0; i < ACPI_NUM_GEO_PROFILES; i++) {
 799                 for (j = 0; j < ACPI_GEO_TABLE_SIZE; j++) {
 800                         union acpi_object *entry;
 801
 802                         entry = &wifi_pkg->package.elements[idx++];
 803                         if ((entry->type != ACPI_TYPE_INTEGER) ||
 804                             (entry->integer.value > U8_MAX)) {
 805                                 ret = -EINVAL;
 806                                 goto out_free;
 807                         }
 808
 809                         mvm->geo_profiles[i].values[j] = entry->integer.value;
 810                 }
 811         }
 812         ret = 0;
 813 out_free:
 814         kfree(data);
 815         return ret;
 816 }
 817
 818 int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a, int prof_b)
 819 {
 820         union {
 821                 struct iwl_dev_tx_power_cmd v5;
 822                 struct iwl_dev_tx_power_cmd_v4 v4;
 823         } cmd;
 824         int i, j, idx;
 825         int profs[ACPI_SAR_NUM_CHAIN_LIMITS] = { prof_a, prof_b };
 826         int len;
 827
 828         BUILD_BUG_ON(ACPI_SAR_NUM_CHAIN_LIMITS < 2);
 829         BUILD_BUG_ON(ACPI_SAR_NUM_CHAIN_LIMITS * ACPI_SAR_NUM_SUB_BANDS !=
 830                      ACPI_SAR_TABLE_SIZE);
 831
 832         cmd.v5.v3.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_CHAINS);
 833
 834         if (fw_has_api(&mvm->fw->ucode_capa,
 835                        IWL_UCODE_TLV_API_REDUCE_TX_POWER))
 836                 len = sizeof(cmd.v5);
 837         else if (fw_has_capa(&mvm->fw->ucode_capa,
 838                              IWL_UCODE_TLV_CAPA_TX_POWER_ACK))
 839                 len = sizeof(cmd.v4);
 840         else
 841                 len = sizeof(cmd.v4.v3);
 842
 843         for (i = 0; i < ACPI_SAR_NUM_CHAIN_LIMITS; i++) {
 844                 struct iwl_mvm_sar_profile *prof;
 845
 846                 /* don't allow SAR to be disabled (profile 0 means disable) */
 847                 if (profs[i] == 0)
 848                         return -EPERM;
 849
 850                 /* we are off by one, so allow up to ACPI_SAR_PROFILE_NUM */
 851                 if (profs[i] > ACPI_SAR_PROFILE_NUM)
 852                         return -EINVAL;
 853
 854                 /* profiles go from 1 to 4, so decrement to access the array */
 855                 prof = &mvm->sar_profiles[profs[i] - 1];
 856
 857                 /* if the profile is disabled, do nothing */
 858                 if (!prof->enabled) {
 859                         IWL_DEBUG_RADIO(mvm, "SAR profile %d is disabled.\n",
 860                                         profs[i]);
 861                         /* if one of the profiles is disabled, we fail all */
 862                         return -ENOENT;
 863                 }
 864
 865                 IWL_DEBUG_INFO(mvm,
 866                                "SAR EWRD: chain %d profile index %d\n",
 867                                i, profs[i]);
 868                 IWL_DEBUG_RADIO(mvm, "  Chain[%d]:\n", i);
 869                 for (j = 0; j < ACPI_SAR_NUM_SUB_BANDS; j++) {
 870                         idx = (i * ACPI_SAR_NUM_SUB_BANDS) + j;
 871                         cmd.v5.v3.per_chain_restriction[i][j] =
 872                                 cpu_to_le16(prof->table[idx]);
 873                         IWL_DEBUG_RADIO(mvm, "    Band[%d] = %d * .125dBm\n",
 874                                         j, prof->table[idx]);
 875                 }
 876         }
 877
 878         IWL_DEBUG_RADIO(mvm, "Sending REDUCE_TX_POWER_CMD per chain\n");
 879
 880         return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0, len, &cmd);
 881 }
 882
 883 static bool iwl_mvm_sar_geo_support(struct iwl_mvm *mvm)
 884 {
 885         /*
 886          * The GEO_TX_POWER_LIMIT command is not supported on earlier
 887          * firmware versions.  Unfortunately, we don't have a TLV API
 888          * flag to rely on, so rely on the major version which is in
 889          * the first byte of ucode_ver.  This was implemented
 890          * initially on version 38 and then backported to 36, 29 and
 891          * 17.
 892          */
 893         return IWL_UCODE_SERIAL(mvm->fw->ucode_ver) >= 38 ||
 894                IWL_UCODE_SERIAL(mvm->fw->ucode_ver) == 36 ||
 895                IWL_UCODE_SERIAL(mvm->fw->ucode_ver) == 29 ||
 896                IWL_UCODE_SERIAL(mvm->fw->ucode_ver) == 17;
 897 }
 898
 899 int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm)
 900 {
 901         struct iwl_geo_tx_power_profiles_resp *resp;
 902         int ret;
 903         u16 len;
 904         void *data;
 905         struct iwl_geo_tx_power_profiles_cmd geo_cmd;
 906         struct iwl_geo_tx_power_profiles_cmd_v1 geo_cmd_v1;
 907         struct iwl_host_cmd cmd;
 908
 909         if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_SAR_TABLE_VER)) {
 910                 geo_cmd.ops =
 911                         cpu_to_le32(IWL_PER_CHAIN_OFFSET_GET_CURRENT_TABLE);
 912                 len = sizeof(geo_cmd);
 913                 data = &geo_cmd;
 914         } else {
 915                 geo_cmd_v1.ops =
 916                         cpu_to_le32(IWL_PER_CHAIN_OFFSET_GET_CURRENT_TABLE);
 917                 len = sizeof(geo_cmd_v1);
 918                 data = &geo_cmd_v1;
 919         }
 920
 921         cmd = (struct iwl_host_cmd){
 922                 .id =  WIDE_ID(PHY_OPS_GROUP, GEO_TX_POWER_LIMIT),
 923                 .len = { len, },
 924                 .flags = CMD_WANT_SKB,
 925                 .data = { data },
 926         };
 927
 928         if (!iwl_mvm_sar_geo_support(mvm))
 929                 return -EOPNOTSUPP;
 930
 931         ret = iwl_mvm_send_cmd(mvm, &cmd);
 932         if (ret) {
 933                 IWL_ERR(mvm, "Failed to get geographic profile info %d\n", ret);
 934                 return ret;
 935         }
 936
 937         resp = (void *)cmd.resp_pkt->data;
 938         ret = le32_to_cpu(resp->profile_idx);
 939         if (WARN_ON(ret > ACPI_NUM_GEO_PROFILES)) {
 940                 ret = -EIO;
 941                 IWL_WARN(mvm, "Invalid geographic profile idx (%d)\n", ret);
 942         }
 943
 944         iwl_free_resp(&cmd);
 945         return ret;
 946 }
 947
 948 static int iwl_mvm_sar_geo_init(struct iwl_mvm *mvm)
 949 {
 950         struct iwl_geo_tx_power_profiles_cmd cmd = {
 951                 .ops = cpu_to_le32(IWL_PER_CHAIN_OFFSET_SET_TABLES),
 952         };
 953         int ret, i, j;
 954         u16 cmd_wide_id =  WIDE_ID(PHY_OPS_GROUP, GEO_TX_POWER_LIMIT);
 955
 956         if (!iwl_mvm_sar_geo_support(mvm))
 957                 return 0;
 958
 959         ret = iwl_mvm_sar_get_wgds_table(mvm);
 960         if (ret < 0) {
 961                 IWL_DEBUG_RADIO(mvm,
 962                                 "Geo SAR BIOS table invalid or unavailable. (%d)\n",
 963                                 ret);
 964                 /* we don't fail if the table is not available */
 965                 return 0;
 966         }
 967
 968         IWL_DEBUG_RADIO(mvm, "Sending GEO_TX_POWER_LIMIT\n");
 969
 970         BUILD_BUG_ON(ACPI_NUM_GEO_PROFILES * ACPI_WGDS_NUM_BANDS *
 971                      ACPI_WGDS_TABLE_SIZE + 1 !=  ACPI_WGDS_WIFI_DATA_SIZE);
 972
 973         BUILD_BUG_ON(ACPI_NUM_GEO_PROFILES > IWL_NUM_GEO_PROFILES);
 974
 975         for (i = 0; i < ACPI_NUM_GEO_PROFILES; i++) {
 976                 struct iwl_per_chain_offset *chain =
 977                         (struct iwl_per_chain_offset *)&cmd.table[i];
 978
 979                 for (j = 0; j < ACPI_WGDS_NUM_BANDS; j++) {
 980                         u8 *value;
 981
 982                         value = &mvm->geo_profiles[i].values[j *
 983                                 ACPI_GEO_PER_CHAIN_SIZE];
 984                         chain[j].max_tx_power = cpu_to_le16(value[0]);
 985                         chain[j].chain_a = value[1];
 986                         chain[j].chain_b = value[2];
 987                         IWL_DEBUG_RADIO(mvm,
 988                                         "SAR geographic profile[%d] Band[%d]: chain A = %d chain B = %d max_tx_power = %d\n",
 989                                         i, j, value[1], value[2], value[0]);
 990                 }
 991         }
 992
 993         cmd.table_revision = cpu_to_le32(mvm->geo_rev);
 994
 995         if (!fw_has_api(&mvm->fw->ucode_capa,
 996                        IWL_UCODE_TLV_API_SAR_TABLE_VER)) {
 997                 return iwl_mvm_send_cmd_pdu(mvm, cmd_wide_id, 0,
 998                                 sizeof(struct iwl_geo_tx_power_profiles_cmd_v1),
 999                                 &cmd);
1000         }
1001
1002         return iwl_mvm_send_cmd_pdu(mvm, cmd_wide_id, 0, sizeof(cmd), &cmd);
1003 }
1004
1005 #else /* CONFIG_ACPI */
1006 static int iwl_mvm_sar_get_wrds_table(struct iwl_mvm *mvm)
1007 {
1008         return -ENOENT;
1009 }
1010
1011 static int iwl_mvm_sar_get_ewrd_table(struct iwl_mvm *mvm)
1012 {
1013         return -ENOENT;
1014 }
1015
1016 static int iwl_mvm_sar_get_wgds_table(struct iwl_mvm *mvm)
1017 {
1018         return -ENOENT;
1019 }
1020
1021 static int iwl_mvm_sar_geo_init(struct iwl_mvm *mvm)
1022 {
1023         return 0;
1024 }
1025
1026 int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a,
1027                                int prof_b)
1028 {
1029         return -ENOENT;
1030 }
1031
1032 int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm)
1033 {
1034         return -ENOENT;
1035 }
1036 #endif /* CONFIG_ACPI */
1037
1038 void iwl_mvm_send_recovery_cmd(struct iwl_mvm *mvm, u32 flags)
1039 {
1040         u32 error_log_size = mvm->fw->ucode_capa.error_log_size;
1041         int ret;
1042         u32 resp;
1043
1044         struct iwl_fw_error_recovery_cmd recovery_cmd = {
1045                 .flags = cpu_to_le32(flags),
1046                 .buf_size = 0,
1047         };
1048         struct iwl_host_cmd host_cmd = {
1049                 .id = WIDE_ID(SYSTEM_GROUP, FW_ERROR_RECOVERY_CMD),
1050                 .flags = CMD_WANT_SKB,
1051                 .data = {&recovery_cmd, },
1052                 .len = {sizeof(recovery_cmd), },
1053         };
1054
1055         /* no error log was defined in TLV */
1056         if (!error_log_size)
1057                 return;
1058
1059         if (flags & ERROR_RECOVERY_UPDATE_DB) {
1060                 /* no buf was allocated while HW reset */
1061                 if (!mvm->error_recovery_buf)
1062                         return;
1063
1064                 host_cmd.data[1] = mvm->error_recovery_buf;
1065                 host_cmd.len[1] =  error_log_size;
1066                 host_cmd.dataflags[1] = IWL_HCMD_DFL_NOCOPY;
1067                 recovery_cmd.buf_size = cpu_to_le32(error_log_size);
1068         }
1069
1070         ret = iwl_mvm_send_cmd(mvm, &host_cmd);
1071         kfree(mvm->error_recovery_buf);
1072         mvm->error_recovery_buf = NULL;
1073
1074         if (ret) {
1075                 IWL_ERR(mvm, "Failed to send recovery cmd %d\n", ret);
1076                 return;
1077         }
1078
1079         /* skb respond is only relevant in ERROR_RECOVERY_UPDATE_DB */
1080         if (flags & ERROR_RECOVERY_UPDATE_DB) {
1081                 resp = le32_to_cpu(*(__le32 *)host_cmd.resp_pkt->data);
1082                 if (resp)
1083                         IWL_ERR(mvm,
1084                                 "Failed to send recovery cmd blob was invalid %d\n",
1085                                 resp);
1086         }
1087 }
1088
1089 static int iwl_mvm_sar_init(struct iwl_mvm *mvm)
1090 {
1091         int ret;
1092
1093         ret = iwl_mvm_sar_get_wrds_table(mvm);
1094         if (ret < 0) {
1095                 IWL_DEBUG_RADIO(mvm,
1096                                 "WRDS SAR BIOS table invalid or unavailable. (%d)\n",
1097                                 ret);
1098                 /*
1099                  * If not available, don't fail and don't bother with EWRD.
1100                  * Return 1 to tell that we can't use WGDS either.
1101                  */
1102                 return 1;
1103         }
1104
1105         ret = iwl_mvm_sar_get_ewrd_table(mvm);
1106         /* if EWRD is not available, we can still use WRDS, so don't fail */
1107         if (ret < 0)
1108                 IWL_DEBUG_RADIO(mvm,
1109                                 "EWRD SAR BIOS table invalid or unavailable. (%d)\n",
1110                                 ret);
1111
1112         /* choose profile 1 (WRDS) as default for both chains */
1113         ret = iwl_mvm_sar_select_profile(mvm, 1, 1);
1114
1115         /*
1116          * If we don't have profile 0 from BIOS, just skip it.  This
1117          * means that SAR Geo will not be enabled either, even if we
1118          * have other valid profiles.
1119          */
1120         if (ret == -ENOENT)
1121                 return 1;
1122
1123         return ret;
1124 }
1125
1126 static int iwl_mvm_load_rt_fw(struct iwl_mvm *mvm)
1127 {
1128         int ret;
1129
1130         if (iwl_mvm_has_unified_ucode(mvm))
1131                 return iwl_run_unified_mvm_ucode(mvm, false);
1132
1133         ret = iwl_run_init_mvm_ucode(mvm, false);
1134
1135         if (ret) {
1136                 IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", ret);
1137
1138                 if (iwlmvm_mod_params.init_dbg)
1139                         return 0;
1140                 return ret;
1141         }
1142
1143         /*
1144          * Stop and start the transport without entering low power
1145          * mode. This will save the state of other components on the
1146          * device that are triggered by the INIT firwmare (MFUART).
1147          */
1148         _iwl_trans_stop_device(mvm->trans, false);
1149         ret = _iwl_trans_start_hw(mvm->trans, false);
1150         if (ret)
1151                 return ret;
1152
1153         iwl_fw_dbg_apply_point(&mvm->fwrt, IWL_FW_INI_APPLY_EARLY);
1154
1155         mvm->rfkill_safe_init_done = false;
1156         ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_REGULAR);
1157         if (ret)
1158                 return ret;
1159
1160         mvm->rfkill_safe_init_done = true;
1161
1162         iwl_fw_dbg_apply_point(&mvm->fwrt, IWL_FW_INI_APPLY_AFTER_ALIVE);
1163
1164         return iwl_init_paging(&mvm->fwrt, mvm->fwrt.cur_fw_img);
1165 }
1166
1167 int iwl_mvm_up(struct iwl_mvm *mvm)
1168 {
1169         int ret, i;
1170         struct ieee80211_channel *chan;
1171         struct cfg80211_chan_def chandef;
1172
1173         lockdep_assert_held(&mvm->mutex);
1174
1175         ret = iwl_trans_start_hw(mvm->trans);
1176         if (ret)
1177                 return ret;
1178
1179         ret = iwl_mvm_load_rt_fw(mvm);
1180         if (ret) {
1181                 IWL_ERR(mvm, "Failed to start RT ucode: %d\n", ret);
1182                 if (ret != -ERFKILL)
1183                         iwl_fw_dbg_error_collect(&mvm->fwrt,
1184                                                  FW_DBG_TRIGGER_DRIVER);
1185                 goto error;
1186         }
1187
1188         iwl_get_shared_mem_conf(&mvm->fwrt);
1189
1190         ret = iwl_mvm_sf_update(mvm, NULL, false);
1191         if (ret)
1192                 IWL_ERR(mvm, "Failed to initialize Smart Fifo\n");
1193
1194         if (!mvm->trans->dbg.ini_valid) {
1195                 mvm->fwrt.dump.conf = FW_DBG_INVALID;
1196                 /* if we have a destination, assume EARLY START */
1197                 if (mvm->fw->dbg.dest_tlv)
1198                         mvm->fwrt.dump.conf = FW_DBG_START_FROM_ALIVE;
1199                 iwl_fw_start_dbg_conf(&mvm->fwrt, FW_DBG_START_FROM_ALIVE);
1200         }
1201
1202         ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm));
1203         if (ret)
1204                 goto error;
1205
1206         if (!iwl_mvm_has_unified_ucode(mvm)) {
1207                 /* Send phy db control command and then phy db calibration */
1208                 ret = iwl_send_phy_db_data(mvm->phy_db);
1209                 if (ret)
1210                         goto error;
1211
1212                 ret = iwl_send_phy_cfg_cmd(mvm);
1213                 if (ret)
1214                         goto error;
1215         }
1216
1217         ret = iwl_mvm_send_bt_init_conf(mvm);
1218         if (ret)
1219                 goto error;
1220
1221         /* Init RSS configuration */
1222         if (mvm->trans->cfg->device_family >= IWL_DEVICE_FAMILY_22000) {
1223                 ret = iwl_configure_rxq(mvm);
1224                 if (ret) {
1225                         IWL_ERR(mvm, "Failed to configure RX queues: %d\n",
1226                                 ret);
1227                         goto error;
1228                 }
1229         }
1230
1231         if (iwl_mvm_has_new_rx_api(mvm)) {
1232                 ret = iwl_send_rss_cfg_cmd(mvm);
1233                 if (ret) {
1234                         IWL_ERR(mvm, "Failed to configure RSS queues: %d\n",
1235                                 ret);
1236                         goto error;
1237                 }
1238         }
1239
1240         /* init the fw <-> mac80211 STA mapping */
1241         for (i = 0; i < ARRAY_SIZE(mvm->fw_id_to_mac_id); i++)
1242                 RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL);
1243
1244         mvm->tdls_cs.peer.sta_id = IWL_MVM_INVALID_STA;
1245
1246         /* reset quota debouncing buffer - 0xff will yield invalid data */
1247         memset(&mvm->last_quota_cmd, 0xff, sizeof(mvm->last_quota_cmd));
1248
1249         ret = iwl_mvm_send_dqa_cmd(mvm);
1250         if (ret)
1251                 goto error;
1252
1253         /* Add auxiliary station for scanning */
1254         ret = iwl_mvm_add_aux_sta(mvm);
1255         if (ret)
1256                 goto error;
1257
1258         /* Add all the PHY contexts */
1259         chan = &mvm->hw->wiphy->bands[NL80211_BAND_2GHZ]->channels[0];
1260         cfg80211_chandef_create(&chandef, chan, NL80211_CHAN_NO_HT);
1261         for (i = 0; i < NUM_PHY_CTX; i++) {
1262                 /*
1263                  * The channel used here isn't relevant as it's
1264                  * going to be overwritten in the other flows.
1265                  * For now use the first channel we have.
1266                  */
1267                 ret = iwl_mvm_phy_ctxt_add(mvm, &mvm->phy_ctxts[i],
1268                                            &chandef, 1, 1);
1269                 if (ret)
1270                         goto error;
1271         }
1272
1273 #ifdef CONFIG_THERMAL
1274         if (iwl_mvm_is_tt_in_fw(mvm)) {
1275                 /* in order to give the responsibility of ct-kill and
1276                  * TX backoff to FW we need to send empty temperature reporting
1277                  * cmd during init time
1278                  */
1279                 iwl_mvm_send_temp_report_ths_cmd(mvm);
1280         } else {
1281                 /* Initialize tx backoffs to the minimal possible */
1282                 iwl_mvm_tt_tx_backoff(mvm, 0);
1283         }
1284
1285         /* TODO: read the budget from BIOS / Platform NVM */
1286
1287         /*
1288          * In case there is no budget from BIOS / Platform NVM the default
1289          * budget should be 2000mW (cooling state 0).
1290          */
1291         if (iwl_mvm_is_ctdp_supported(mvm)) {
1292                 ret = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_START,
1293                                            mvm->cooling_dev.cur_state);
1294                 if (ret)
1295                         goto error;
1296         }
1297 #else
1298         /* Initialize tx backoffs to the minimal possible */
1299         iwl_mvm_tt_tx_backoff(mvm, 0);
1300 #endif
1301
1302         WARN_ON(iwl_mvm_config_ltr(mvm));
1303
1304         ret = iwl_mvm_power_update_device(mvm);
1305         if (ret)
1306                 goto error;
1307
1308         /*
1309          * RTNL is not taken during Ct-kill, but we don't need to scan/Tx
1310          * anyway, so don't init MCC.
1311          */
1312         if (!test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status)) {
1313                 ret = iwl_mvm_init_mcc(mvm);
1314                 if (ret)
1315                         goto error;
1316         }
1317
1318         if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) {
1319                 mvm->scan_type = IWL_SCAN_TYPE_NOT_SET;
1320                 mvm->hb_scan_type = IWL_SCAN_TYPE_NOT_SET;
1321                 ret = iwl_mvm_config_scan(mvm);
1322                 if (ret)
1323                         goto error;
1324         }
1325
1326         /* allow FW/transport low power modes if not during restart */
1327         if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
1328                 iwl_mvm_unref(mvm, IWL_MVM_REF_UCODE_DOWN);
1329
1330         if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
1331                 iwl_mvm_send_recovery_cmd(mvm, ERROR_RECOVERY_UPDATE_DB);
1332
1333         if (iwl_acpi_get_eckv(mvm->dev, &mvm->ext_clock_valid))
1334                 IWL_DEBUG_INFO(mvm, "ECKV table doesn't exist in BIOS\n");
1335
1336         ret = iwl_mvm_sar_init(mvm);
1337         if (ret == 0) {
1338                 ret = iwl_mvm_sar_geo_init(mvm);
1339         } else if (ret > 0 && !iwl_mvm_sar_get_wgds_table(mvm)) {
1340                 /*
1341                  * If basic SAR is not available, we check for WGDS,
1342                  * which should *not* be available either.  If it is
1343                  * available, issue an error, because we can't use SAR
1344                  * Geo without basic SAR.
1345                  */
1346                 IWL_ERR(mvm, "BIOS contains WGDS but no WRDS\n");
1347         }
1348
1349         if (ret < 0)
1350                 goto error;
1351
1352         iwl_mvm_leds_sync(mvm);
1353
1354         IWL_DEBUG_INFO(mvm, "RT uCode started.\n");
1355         return 0;
1356  error:
1357         if (!iwlmvm_mod_params.init_dbg || !ret)
1358                 iwl_mvm_stop_device(mvm);
1359         return ret;
1360 }
1361
1362 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm)
1363 {
1364         int ret, i;
1365
1366         lockdep_assert_held(&mvm->mutex);
1367
1368         ret = iwl_trans_start_hw(mvm->trans);
1369         if (ret)
1370                 return ret;
1371
1372         ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_WOWLAN);
1373         if (ret) {
1374                 IWL_ERR(mvm, "Failed to start WoWLAN firmware: %d\n", ret);
1375                 goto error;
1376         }
1377
1378         ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm));
1379         if (ret)
1380                 goto error;
1381
1382         /* Send phy db control command and then phy db calibration*/
1383         ret = iwl_send_phy_db_data(mvm->phy_db);
1384         if (ret)
1385                 goto error;
1386
1387         ret = iwl_send_phy_cfg_cmd(mvm);
1388         if (ret)
1389                 goto error;
1390
1391         /* init the fw <-> mac80211 STA mapping */
1392         for (i = 0; i < ARRAY_SIZE(mvm->fw_id_to_mac_id); i++)
1393                 RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL);
1394
1395         /* Add auxiliary station for scanning */
1396         ret = iwl_mvm_add_aux_sta(mvm);
1397         if (ret)
1398                 goto error;
1399
1400         return 0;
1401  error:
1402         iwl_mvm_stop_device(mvm);
1403         return ret;
1404 }
1405
1406 void iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
1407                                  struct iwl_rx_cmd_buffer *rxb)
1408 {
1409         struct iwl_rx_packet *pkt = rxb_addr(rxb);
1410         struct iwl_card_state_notif *card_state_notif = (void *)pkt->data;
1411         u32 flags = le32_to_cpu(card_state_notif->flags);
1412
1413         IWL_DEBUG_RF_KILL(mvm, "Card state received: HW:%s SW:%s CT:%s\n",
1414                           (flags & HW_CARD_DISABLED) ? "Kill" : "On",
1415                           (flags & SW_CARD_DISABLED) ? "Kill" : "On",
1416                           (flags & CT_KILL_CARD_DISABLED) ?
1417                           "Reached" : "Not reached");
1418 }
1419
1420 void iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm,
1421                              struct iwl_rx_cmd_buffer *rxb)
1422 {
1423         struct iwl_rx_packet *pkt = rxb_addr(rxb);
1424         struct iwl_mfuart_load_notif *mfuart_notif = (void *)pkt->data;
1425
1426         IWL_DEBUG_INFO(mvm,
1427                        "MFUART: installed ver: 0x%08x, external ver: 0x%08x, status: 0x%08x, duration: 0x%08x\n",
1428                        le32_to_cpu(mfuart_notif->installed_ver),
1429                        le32_to_cpu(mfuart_notif->external_ver),
1430                        le32_to_cpu(mfuart_notif->status),
1431                        le32_to_cpu(mfuart_notif->duration));
1432
1433         if (iwl_rx_packet_payload_len(pkt) == sizeof(*mfuart_notif))
1434                 IWL_DEBUG_INFO(mvm,
1435                                "MFUART: image size: 0x%08x\n",
1436                                le32_to_cpu(mfuart_notif->image_size));
1437 }