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

   1 /******************************************************************************
   2  *
   3  * This file is provided under a dual BSD/GPLv2 license.  When using or
   4  * redistributing this file, you may do so under either license.
   5  *
   6  * GPL LICENSE SUMMARY
   7  *
   8  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
   9  * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of version 2 of the GNU General Public License as
  13  * published by the Free Software Foundation.
  14  *
  15  * This program is distributed in the hope that it will be useful, but
  16  * WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18  * General Public License for more details.
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  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
  23  * USA
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  26  * in the file called COPYING.
  27  *
  28  * Contact Information:
  29  *  Intel Linux Wireless <ilw@linux.intel.com>
  30  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  31  *
  32  * BSD LICENSE
  33  *
  34  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
  35  * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  36  * All rights reserved.
  37  *
  38  * Redistribution and use in source and binary forms, with or without
  39  * modification, are permitted provided that the following conditions
  40  * are met:
  41  *
  42  *  * Redistributions of source code must retain the above copyright
  43  *    notice, this list of conditions and the following disclaimer.
  44  *  * Redistributions in binary form must reproduce the above copyright
  45  *    notice, this list of conditions and the following disclaimer in
  46  *    the documentation and/or other materials provided with the
  47  *    distribution.
  48  *  * Neither the name Intel Corporation nor the names of its
  49  *    contributors may be used to endorse or promote products derived
  50  *    from this software without specific prior written permission.
  51  *
  52  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  53  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  54  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  55  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  56  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  57  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  58  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  59  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  60  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  61  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  62  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  63  *
  64  *****************************************************************************/
  65 #include <net/mac80211.h>
  66
  67 #include "iwl-trans.h"
  68 #include "iwl-op-mode.h"
  69 #include "iwl-fw.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-eeprom-parse.h"
  74
  75 #include "mvm.h"
  76 #include "iwl-phy-db.h"
  77
  78 #define MVM_UCODE_ALIVE_TIMEOUT HZ
  79 #define MVM_UCODE_CALIB_TIMEOUT (2*HZ)
  80
  81 #define UCODE_VALID_OK  cpu_to_le32(0x1)
  82
  83 struct iwl_mvm_alive_data {
  84         bool valid;
  85         u32 scd_base_addr;
  86 };
  87
  88 static inline const struct fw_img *
  89 iwl_get_ucode_image(struct iwl_mvm *mvm, enum iwl_ucode_type ucode_type)
  90 {
  91         if (ucode_type >= IWL_UCODE_TYPE_MAX)
  92                 return NULL;
  93
  94         return &mvm->fw->img[ucode_type];
  95 }
  96
  97 static int iwl_send_tx_ant_cfg(struct iwl_mvm *mvm, u8 valid_tx_ant)
  98 {
  99         struct iwl_tx_ant_cfg_cmd tx_ant_cmd = {
 100                 .valid = cpu_to_le32(valid_tx_ant),
 101         };
 102
 103         IWL_DEBUG_FW(mvm, "select valid tx ant: %u\n", valid_tx_ant);
 104         return iwl_mvm_send_cmd_pdu(mvm, TX_ANT_CONFIGURATION_CMD, 0,
 105                                     sizeof(tx_ant_cmd), &tx_ant_cmd);
 106 }
 107
 108 static bool iwl_alive_fn(struct iwl_notif_wait_data *notif_wait,
 109                          struct iwl_rx_packet *pkt, void *data)
 110 {
 111         struct iwl_mvm *mvm =
 112                 container_of(notif_wait, struct iwl_mvm, notif_wait);
 113         struct iwl_mvm_alive_data *alive_data = data;
 114         struct mvm_alive_resp *palive;
 115         struct mvm_alive_resp_ver2 *palive2;
 116
 117         if (iwl_rx_packet_payload_len(pkt) == sizeof(*palive)) {
 118                 palive = (void *)pkt->data;
 119
 120                 mvm->support_umac_log = false;
 121                 mvm->error_event_table =
 122                         le32_to_cpu(palive->error_event_table_ptr);
 123                 mvm->log_event_table = le32_to_cpu(palive->log_event_table_ptr);
 124                 alive_data->scd_base_addr = le32_to_cpu(palive->scd_base_ptr);
 125
 126                 alive_data->valid = le16_to_cpu(palive->status) ==
 127                                     IWL_ALIVE_STATUS_OK;
 128                 IWL_DEBUG_FW(mvm,
 129                              "Alive VER1 ucode status 0x%04x revision 0x%01X 0x%01X flags 0x%01X\n",
 130                              le16_to_cpu(palive->status), palive->ver_type,
 131                              palive->ver_subtype, palive->flags);
 132         } else {
 133                 palive2 = (void *)pkt->data;
 134
 135                 mvm->error_event_table =
 136                         le32_to_cpu(palive2->error_event_table_ptr);
 137                 mvm->log_event_table =
 138                         le32_to_cpu(palive2->log_event_table_ptr);
 139                 alive_data->scd_base_addr = le32_to_cpu(palive2->scd_base_ptr);
 140                 mvm->umac_error_event_table =
 141                         le32_to_cpu(palive2->error_info_addr);
 142                 mvm->sf_space.addr = le32_to_cpu(palive2->st_fwrd_addr);
 143                 mvm->sf_space.size = le32_to_cpu(palive2->st_fwrd_size);
 144
 145                 alive_data->valid = le16_to_cpu(palive2->status) ==
 146                                     IWL_ALIVE_STATUS_OK;
 147                 if (mvm->umac_error_event_table)
 148                         mvm->support_umac_log = true;
 149
 150                 IWL_DEBUG_FW(mvm,
 151                              "Alive VER2 ucode status 0x%04x revision 0x%01X 0x%01X flags 0x%01X\n",
 152                              le16_to_cpu(palive2->status), palive2->ver_type,
 153                              palive2->ver_subtype, palive2->flags);
 154
 155                 IWL_DEBUG_FW(mvm,
 156                              "UMAC version: Major - 0x%x, Minor - 0x%x\n",
 157                              palive2->umac_major, palive2->umac_minor);
 158         }
 159
 160         return true;
 161 }
 162
 163 static bool iwl_wait_phy_db_entry(struct iwl_notif_wait_data *notif_wait,
 164                                   struct iwl_rx_packet *pkt, void *data)
 165 {
 166         struct iwl_phy_db *phy_db = data;
 167
 168         if (pkt->hdr.cmd != CALIB_RES_NOTIF_PHY_DB) {
 169                 WARN_ON(pkt->hdr.cmd != INIT_COMPLETE_NOTIF);
 170                 return true;
 171         }
 172
 173         WARN_ON(iwl_phy_db_set_section(phy_db, pkt, GFP_ATOMIC));
 174
 175         return false;
 176 }
 177
 178 static int iwl_mvm_load_ucode_wait_alive(struct iwl_mvm *mvm,
 179                                          enum iwl_ucode_type ucode_type)
 180 {
 181         struct iwl_notification_wait alive_wait;
 182         struct iwl_mvm_alive_data alive_data;
 183         const struct fw_img *fw;
 184         int ret, i;
 185         enum iwl_ucode_type old_type = mvm->cur_ucode;
 186         static const u8 alive_cmd[] = { MVM_ALIVE };
 187         struct iwl_sf_region st_fwrd_space;
 188
 189         if (ucode_type == IWL_UCODE_REGULAR &&
 190             iwl_fw_dbg_conf_usniffer(mvm->fw, FW_DBG_CUSTOM) &&
 191             iwl_fw_dbg_conf_enabled(mvm->fw, FW_DBG_CUSTOM))
 192                 fw = iwl_get_ucode_image(mvm, IWL_UCODE_REGULAR_USNIFFER);
 193         else
 194                 fw = iwl_get_ucode_image(mvm, ucode_type);
 195         if (WARN_ON(!fw))
 196                 return -EINVAL;
 197         mvm->cur_ucode = ucode_type;
 198         mvm->ucode_loaded = false;
 199
 200         iwl_init_notification_wait(&mvm->notif_wait, &alive_wait,
 201                                    alive_cmd, ARRAY_SIZE(alive_cmd),
 202                                    iwl_alive_fn, &alive_data);
 203
 204         ret = iwl_trans_start_fw(mvm->trans, fw, ucode_type == IWL_UCODE_INIT);
 205         if (ret) {
 206                 mvm->cur_ucode = old_type;
 207                 iwl_remove_notification(&mvm->notif_wait, &alive_wait);
 208                 return ret;
 209         }
 210
 211         /*
 212          * Some things may run in the background now, but we
 213          * just wait for the ALIVE notification here.
 214          */
 215         ret = iwl_wait_notification(&mvm->notif_wait, &alive_wait,
 216                                     MVM_UCODE_ALIVE_TIMEOUT);
 217         if (ret) {
 218                 mvm->cur_ucode = old_type;
 219                 return ret;
 220         }
 221
 222         if (!alive_data.valid) {
 223                 IWL_ERR(mvm, "Loaded ucode is not valid!\n");
 224                 mvm->cur_ucode = old_type;
 225                 return -EIO;
 226         }
 227
 228         /*
 229          * update the sdio allocation according to the pointer we get in the
 230          * alive notification.
 231          */
 232         st_fwrd_space.addr = mvm->sf_space.addr;
 233         st_fwrd_space.size = mvm->sf_space.size;
 234         ret = iwl_trans_update_sf(mvm->trans, &st_fwrd_space);
 235         if (ret) {
 236                 IWL_ERR(mvm, "Failed to update SF size. ret %d\n", ret);
 237                 return ret;
 238         }
 239
 240         iwl_trans_fw_alive(mvm->trans, alive_data.scd_base_addr);
 241
 242         /*
 243          * Note: all the queues are enabled as part of the interface
 244          * initialization, but in firmware restart scenarios they
 245          * could be stopped, so wake them up. In firmware restart,
 246          * mac80211 will have the queues stopped as well until the
 247          * reconfiguration completes. During normal startup, they
 248          * will be empty.
 249          */
 250
 251         for (i = 0; i < IWL_MAX_HW_QUEUES; i++) {
 252                 if (i < mvm->first_agg_queue && i != IWL_MVM_CMD_QUEUE)
 253                         mvm->queue_to_mac80211[i] = i;
 254                 else
 255                         mvm->queue_to_mac80211[i] = IWL_INVALID_MAC80211_QUEUE;
 256         }
 257
 258         for (i = 0; i < IEEE80211_MAX_QUEUES; i++)
 259                 atomic_set(&mvm->mac80211_queue_stop_count[i], 0);
 260
 261         mvm->ucode_loaded = true;
 262
 263         return 0;
 264 }
 265
 266 static int iwl_send_phy_cfg_cmd(struct iwl_mvm *mvm)
 267 {
 268         struct iwl_phy_cfg_cmd phy_cfg_cmd;
 269         enum iwl_ucode_type ucode_type = mvm->cur_ucode;
 270
 271         /* Set parameters */
 272         phy_cfg_cmd.phy_cfg = cpu_to_le32(mvm->fw->phy_config);
 273         phy_cfg_cmd.calib_control.event_trigger =
 274                 mvm->fw->default_calib[ucode_type].event_trigger;
 275         phy_cfg_cmd.calib_control.flow_trigger =
 276                 mvm->fw->default_calib[ucode_type].flow_trigger;
 277
 278         IWL_DEBUG_INFO(mvm, "Sending Phy CFG command: 0x%x\n",
 279                        phy_cfg_cmd.phy_cfg);
 280
 281         return iwl_mvm_send_cmd_pdu(mvm, PHY_CONFIGURATION_CMD, 0,
 282                                     sizeof(phy_cfg_cmd), &phy_cfg_cmd);
 283 }
 284
 285 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm)
 286 {
 287         struct iwl_notification_wait calib_wait;
 288         static const u8 init_complete[] = {
 289                 INIT_COMPLETE_NOTIF,
 290                 CALIB_RES_NOTIF_PHY_DB
 291         };
 292         int ret;
 293
 294         lockdep_assert_held(&mvm->mutex);
 295
 296         if (WARN_ON_ONCE(mvm->init_ucode_complete || mvm->calibrating))
 297                 return 0;
 298
 299         iwl_init_notification_wait(&mvm->notif_wait,
 300                                    &calib_wait,
 301                                    init_complete,
 302                                    ARRAY_SIZE(init_complete),
 303                                    iwl_wait_phy_db_entry,
 304                                    mvm->phy_db);
 305
 306         /* Will also start the device */
 307         ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_INIT);
 308         if (ret) {
 309                 IWL_ERR(mvm, "Failed to start INIT ucode: %d\n", ret);
 310                 goto error;
 311         }
 312
 313         ret = iwl_send_bt_init_conf(mvm);
 314         if (ret)
 315                 goto error;
 316
 317         /* Read the NVM only at driver load time, no need to do this twice */
 318         if (read_nvm) {
 319                 /* Read nvm */
 320                 ret = iwl_nvm_init(mvm, true);
 321                 if (ret) {
 322                         IWL_ERR(mvm, "Failed to read NVM: %d\n", ret);
 323                         goto error;
 324                 }
 325         }
 326
 327         /* In case we read the NVM from external file, load it to the NIC */
 328         if (mvm->nvm_file_name)
 329                 iwl_mvm_load_nvm_to_nic(mvm);
 330
 331         ret = iwl_nvm_check_version(mvm->nvm_data, mvm->trans);
 332         WARN_ON(ret);
 333
 334         /*
 335          * abort after reading the nvm in case RF Kill is on, we will complete
 336          * the init seq later when RF kill will switch to off
 337          */
 338         if (iwl_mvm_is_radio_killed(mvm)) {
 339                 IWL_DEBUG_RF_KILL(mvm,
 340                                   "jump over all phy activities due to RF kill\n");
 341                 iwl_remove_notification(&mvm->notif_wait, &calib_wait);
 342                 ret = 1;
 343                 goto out;
 344         }
 345
 346         mvm->calibrating = true;
 347
 348         /* Send TX valid antennas before triggering calibrations */
 349         ret = iwl_send_tx_ant_cfg(mvm, mvm->fw->valid_tx_ant);
 350         if (ret)
 351                 goto error;
 352
 353         /*
 354          * Send phy configurations command to init uCode
 355          * to start the 16.0 uCode init image internal calibrations.
 356          */
 357         ret = iwl_send_phy_cfg_cmd(mvm);
 358         if (ret) {
 359                 IWL_ERR(mvm, "Failed to run INIT calibrations: %d\n",
 360                         ret);
 361                 goto error;
 362         }
 363
 364         /*
 365          * Some things may run in the background now, but we
 366          * just wait for the calibration complete notification.
 367          */
 368         ret = iwl_wait_notification(&mvm->notif_wait, &calib_wait,
 369                         MVM_UCODE_CALIB_TIMEOUT);
 370         if (!ret)
 371                 mvm->init_ucode_complete = true;
 372
 373         if (ret && iwl_mvm_is_radio_killed(mvm)) {
 374                 IWL_DEBUG_RF_KILL(mvm, "RFKILL while calibrating.\n");
 375                 ret = 1;
 376         }
 377         goto out;
 378
 379 error:
 380         iwl_remove_notification(&mvm->notif_wait, &calib_wait);
 381 out:
 382         mvm->calibrating = false;
 383         if (iwlmvm_mod_params.init_dbg && !mvm->nvm_data) {
 384                 /* we want to debug INIT and we have no NVM - fake */
 385                 mvm->nvm_data = kzalloc(sizeof(struct iwl_nvm_data) +
 386                                         sizeof(struct ieee80211_channel) +
 387                                         sizeof(struct ieee80211_rate),
 388                                         GFP_KERNEL);
 389                 if (!mvm->nvm_data)
 390                         return -ENOMEM;
 391                 mvm->nvm_data->bands[0].channels = mvm->nvm_data->channels;
 392                 mvm->nvm_data->bands[0].n_channels = 1;
 393                 mvm->nvm_data->bands[0].n_bitrates = 1;
 394                 mvm->nvm_data->bands[0].bitrates =
 395                         (void *)mvm->nvm_data->channels + 1;
 396                 mvm->nvm_data->bands[0].bitrates->hw_value = 10;
 397         }
 398
 399         return ret;
 400 }
 401
 402 static int iwl_mvm_start_fw_dbg_conf(struct iwl_mvm *mvm,
 403                                      enum iwl_fw_dbg_conf conf_id)
 404 {
 405         u8 *ptr;
 406         int ret;
 407         int i;
 408
 409         if (WARN_ONCE(conf_id >= ARRAY_SIZE(mvm->fw->dbg_conf_tlv),
 410                       "Invalid configuration %d\n", conf_id))
 411                 return -EINVAL;
 412
 413         if (!mvm->fw->dbg_conf_tlv[conf_id])
 414                 return -EINVAL;
 415
 416         if (mvm->fw_dbg_conf != FW_DBG_INVALID)
 417                 IWL_WARN(mvm, "FW already configured (%d) - re-configuring\n",
 418                          mvm->fw_dbg_conf);
 419
 420         /* Send all HCMDs for configuring the FW debug */
 421         ptr = (void *)&mvm->fw->dbg_conf_tlv[conf_id]->hcmd;
 422         for (i = 0; i < mvm->fw->dbg_conf_tlv[conf_id]->num_of_hcmds; i++) {
 423                 struct iwl_fw_dbg_conf_hcmd *cmd = (void *)ptr;
 424
 425                 ret = iwl_mvm_send_cmd_pdu(mvm, cmd->id, 0,
 426                                            le16_to_cpu(cmd->len), cmd->data);
 427                 if (ret)
 428                         return ret;
 429
 430                 ptr += sizeof(*cmd);
 431                 ptr += le16_to_cpu(cmd->len);
 432         }
 433
 434         mvm->fw_dbg_conf = conf_id;
 435         return ret;
 436 }
 437
 438 int iwl_mvm_up(struct iwl_mvm *mvm)
 439 {
 440         int ret, i;
 441         struct ieee80211_channel *chan;
 442         struct cfg80211_chan_def chandef;
 443
 444         lockdep_assert_held(&mvm->mutex);
 445
 446         ret = iwl_trans_start_hw(mvm->trans);
 447         if (ret)
 448                 return ret;
 449
 450         /*
 451          * If we haven't completed the run of the init ucode during
 452          * module loading, load init ucode now
 453          * (for example, if we were in RFKILL)
 454          */
 455         if (!mvm->init_ucode_complete) {
 456                 ret = iwl_run_init_mvm_ucode(mvm, false);
 457                 if (ret && !iwlmvm_mod_params.init_dbg) {
 458                         IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", ret);
 459                         /* this can't happen */
 460                         if (WARN_ON(ret > 0))
 461                                 ret = -ERFKILL;
 462                         goto error;
 463                 }
 464                 if (!iwlmvm_mod_params.init_dbg) {
 465                         /*
 466                          * should stop and start HW since that INIT
 467                          * image just loaded
 468                          */
 469                         iwl_trans_stop_device(mvm->trans);
 470                         ret = iwl_trans_start_hw(mvm->trans);
 471                         if (ret)
 472                                 return ret;
 473                 }
 474         }
 475
 476         if (iwlmvm_mod_params.init_dbg)
 477                 return 0;
 478
 479         ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_REGULAR);
 480         if (ret) {
 481                 IWL_ERR(mvm, "Failed to start RT ucode: %d\n", ret);
 482                 goto error;
 483         }
 484
 485         ret = iwl_mvm_sf_update(mvm, NULL, false);
 486         if (ret)
 487                 IWL_ERR(mvm, "Failed to initialize Smart Fifo\n");
 488
 489         mvm->fw_dbg_conf = FW_DBG_INVALID;
 490         iwl_mvm_start_fw_dbg_conf(mvm, FW_DBG_CUSTOM);
 491
 492         ret = iwl_send_tx_ant_cfg(mvm, mvm->fw->valid_tx_ant);
 493         if (ret)
 494                 goto error;
 495
 496         ret = iwl_send_bt_init_conf(mvm);
 497         if (ret)
 498                 goto error;
 499
 500         /* Send phy db control command and then phy db calibration*/
 501         ret = iwl_send_phy_db_data(mvm->phy_db);
 502         if (ret)
 503                 goto error;
 504
 505         ret = iwl_send_phy_cfg_cmd(mvm);
 506         if (ret)
 507                 goto error;
 508
 509         /* init the fw <-> mac80211 STA mapping */
 510         for (i = 0; i < IWL_MVM_STATION_COUNT; i++)
 511                 RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL);
 512
 513         mvm->tdls_cs.peer.sta_id = IWL_MVM_STATION_COUNT;
 514
 515         /* reset quota debouncing buffer - 0xff will yield invalid data */
 516         memset(&mvm->last_quota_cmd, 0xff, sizeof(mvm->last_quota_cmd));
 517
 518         /* Add auxiliary station for scanning */
 519         ret = iwl_mvm_add_aux_sta(mvm);
 520         if (ret)
 521                 goto error;
 522
 523         /* Add all the PHY contexts */
 524         chan = &mvm->hw->wiphy->bands[IEEE80211_BAND_2GHZ]->channels[0];
 525         cfg80211_chandef_create(&chandef, chan, NL80211_CHAN_NO_HT);
 526         for (i = 0; i < NUM_PHY_CTX; i++) {
 527                 /*
 528                  * The channel used here isn't relevant as it's
 529                  * going to be overwritten in the other flows.
 530                  * For now use the first channel we have.
 531                  */
 532                 ret = iwl_mvm_phy_ctxt_add(mvm, &mvm->phy_ctxts[i],
 533                                            &chandef, 1, 1);
 534                 if (ret)
 535                         goto error;
 536         }
 537
 538         /* Initialize tx backoffs to the minimal possible */
 539         iwl_mvm_tt_tx_backoff(mvm, 0);
 540
 541         if (mvm->trans->ltr_enabled) {
 542                 struct iwl_ltr_config_cmd cmd = {
 543                         .flags = cpu_to_le32(LTR_CFG_FLAG_FEATURE_ENABLE),
 544                 };
 545
 546                 WARN_ON(iwl_mvm_send_cmd_pdu(mvm, LTR_CONFIG, 0,
 547                                              sizeof(cmd), &cmd));
 548         }
 549
 550         ret = iwl_mvm_power_update_device(mvm);
 551         if (ret)
 552                 goto error;
 553
 554         if (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_UMAC_SCAN) {
 555                 ret = iwl_mvm_config_scan(mvm);
 556                 if (ret)
 557                         goto error;
 558         }
 559
 560         /* allow FW/transport low power modes if not during restart */
 561         if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
 562                 iwl_mvm_unref(mvm, IWL_MVM_REF_UCODE_DOWN);
 563
 564         IWL_DEBUG_INFO(mvm, "RT uCode started.\n");
 565         return 0;
 566  error:
 567         iwl_trans_stop_device(mvm->trans);
 568         return ret;
 569 }
 570
 571 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm)
 572 {
 573         int ret, i;
 574
 575         lockdep_assert_held(&mvm->mutex);
 576
 577         ret = iwl_trans_start_hw(mvm->trans);
 578         if (ret)
 579                 return ret;
 580
 581         ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_WOWLAN);
 582         if (ret) {
 583                 IWL_ERR(mvm, "Failed to start WoWLAN firmware: %d\n", ret);
 584                 goto error;
 585         }
 586
 587         ret = iwl_send_tx_ant_cfg(mvm, mvm->fw->valid_tx_ant);
 588         if (ret)
 589                 goto error;
 590
 591         /* Send phy db control command and then phy db calibration*/
 592         ret = iwl_send_phy_db_data(mvm->phy_db);
 593         if (ret)
 594                 goto error;
 595
 596         ret = iwl_send_phy_cfg_cmd(mvm);
 597         if (ret)
 598                 goto error;
 599
 600         /* init the fw <-> mac80211 STA mapping */
 601         for (i = 0; i < IWL_MVM_STATION_COUNT; i++)
 602                 RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL);
 603
 604         /* Add auxiliary station for scanning */
 605         ret = iwl_mvm_add_aux_sta(mvm);
 606         if (ret)
 607                 goto error;
 608
 609         return 0;
 610  error:
 611         iwl_trans_stop_device(mvm->trans);
 612         return ret;
 613 }
 614
 615 int iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
 616                                     struct iwl_rx_cmd_buffer *rxb,
 617                                     struct iwl_device_cmd *cmd)
 618 {
 619         struct iwl_rx_packet *pkt = rxb_addr(rxb);
 620         struct iwl_card_state_notif *card_state_notif = (void *)pkt->data;
 621         u32 flags = le32_to_cpu(card_state_notif->flags);
 622
 623         IWL_DEBUG_RF_KILL(mvm, "Card state received: HW:%s SW:%s CT:%s\n",
 624                           (flags & HW_CARD_DISABLED) ? "Kill" : "On",
 625                           (flags & SW_CARD_DISABLED) ? "Kill" : "On",
 626                           (flags & CT_KILL_CARD_DISABLED) ?
 627                           "Reached" : "Not reached");
 628
 629         return 0;
 630 }
 631
 632 int iwl_mvm_rx_radio_ver(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 633                          struct iwl_device_cmd *cmd)
 634 {
 635         struct iwl_rx_packet *pkt = rxb_addr(rxb);
 636         struct iwl_radio_version_notif *radio_version = (void *)pkt->data;
 637
 638         /* TODO: what to do with that? */
 639         IWL_DEBUG_INFO(mvm,
 640                        "Radio version: flavor: 0x%08x, step 0x%08x, dash 0x%08x\n",
 641                        le32_to_cpu(radio_version->radio_flavor),
 642                        le32_to_cpu(radio_version->radio_step),
 643                        le32_to_cpu(radio_version->radio_dash));
 644         return 0;
 645 }
 646
 647 int iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm,
 648                             struct iwl_rx_cmd_buffer *rxb,
 649                             struct iwl_device_cmd *cmd)
 650 {
 651         struct iwl_rx_packet *pkt = rxb_addr(rxb);
 652         struct iwl_mfuart_load_notif *mfuart_notif = (void *)pkt->data;
 653
 654         IWL_DEBUG_INFO(mvm,
 655                        "MFUART: installed ver: 0x%08x, external ver: 0x%08x, status: 0x%08x, duration: 0x%08x\n",
 656                        le32_to_cpu(mfuart_notif->installed_ver),
 657                        le32_to_cpu(mfuart_notif->external_ver),
 658                        le32_to_cpu(mfuart_notif->status),
 659                        le32_to_cpu(mfuart_notif->duration));
 660         return 0;
 661 }