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

   1 /******************************************************************************
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   4  * redistributing this file, you may do so under either license.
   5  *
   6  * GPL LICENSE SUMMARY
   7  *
   8  * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved.
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  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of version 2 of the GNU General Public License as
  12  * published by the Free Software Foundation.
  13  *
  14  * This program is distributed in the hope that it will be useful, but
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  20  * along with this program; if not, write to the Free Software
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  28  *  Intel Linux Wireless <ilw@linux.intel.com>
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  44  *    the documentation and/or other materials provided with the
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  48  *    from this software without specific prior written permission.
  49  *
  50  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  51  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  52  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  53  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  54  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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  60  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  61  *
  62  *****************************************************************************/
  63 #include <net/mac80211.h>
  64
  65 #include "iwl-trans.h"
  66 #include "iwl-op-mode.h"
  67 #include "iwl-fw.h"
  68 #include "iwl-debug.h"
  69 #include "iwl-csr.h" /* for iwl_mvm_rx_card_state_notif */
  70 #include "iwl-io.h" /* for iwl_mvm_rx_card_state_notif */
  71 #include "iwl-eeprom-parse.h"
  72
  73 #include "mvm.h"
  74 #include "iwl-phy-db.h"
  75
  76 #define MVM_UCODE_ALIVE_TIMEOUT HZ
  77 #define MVM_UCODE_CALIB_TIMEOUT (2*HZ)
  78
  79 #define UCODE_VALID_OK  cpu_to_le32(0x1)
  80
  81 /* Default calibration values for WkP - set to INIT image w/o running */
  82 static const u8 wkp_calib_values_bb_filter[] = { 0xbf, 0x00, 0x5f, 0x00, 0x2f,
  83                                                  0x00, 0x18, 0x00 };
  84 static const u8 wkp_calib_values_rx_dc[] = { 0x7f, 0x7f, 0x7f, 0x7f, 0x7f,
  85                                              0x7f, 0x7f, 0x7f };
  86 static const u8 wkp_calib_values_tx_lo[] = { 0x00, 0x00, 0x00, 0x00 };
  87 static const u8 wkp_calib_values_tx_iq[] = { 0xff, 0x00, 0xff, 0x00, 0x00,
  88                                              0x00 };
  89 static const u8 wkp_calib_values_rx_iq[] = { 0xff, 0x00, 0x00, 0x00 };
  90 static const u8 wkp_calib_values_rx_iq_skew[] = { 0x00, 0x00, 0x01, 0x00 };
  91 static const u8 wkp_calib_values_tx_iq_skew[] = { 0x01, 0x00, 0x00, 0x00 };
  92 static const u8 wkp_calib_values_xtal[] = { 0xd2, 0xd2 };
  93
  94 struct iwl_calib_default_data {
  95         u16 size;
  96         void *data;
  97 };
  98
  99 #define CALIB_SIZE_N_DATA(_buf) {.size = sizeof(_buf), .data = &_buf}
 100
 101 static const struct iwl_calib_default_data wkp_calib_default_data[12] = {
 102         [5] = CALIB_SIZE_N_DATA(wkp_calib_values_rx_dc),
 103         [6] = CALIB_SIZE_N_DATA(wkp_calib_values_bb_filter),
 104         [7] = CALIB_SIZE_N_DATA(wkp_calib_values_tx_lo),
 105         [8] = CALIB_SIZE_N_DATA(wkp_calib_values_tx_iq),
 106         [9] = CALIB_SIZE_N_DATA(wkp_calib_values_tx_iq_skew),
 107         [10] = CALIB_SIZE_N_DATA(wkp_calib_values_rx_iq),
 108         [11] = CALIB_SIZE_N_DATA(wkp_calib_values_rx_iq_skew),
 109 };
 110
 111 struct iwl_mvm_alive_data {
 112         bool valid;
 113         u32 scd_base_addr;
 114 };
 115
 116 static inline const struct fw_img *
 117 iwl_get_ucode_image(struct iwl_mvm *mvm, enum iwl_ucode_type ucode_type)
 118 {
 119         if (ucode_type >= IWL_UCODE_TYPE_MAX)
 120                 return NULL;
 121
 122         return &mvm->fw->img[ucode_type];
 123 }
 124
 125 static int iwl_send_tx_ant_cfg(struct iwl_mvm *mvm, u8 valid_tx_ant)
 126 {
 127         struct iwl_tx_ant_cfg_cmd tx_ant_cmd = {
 128                 .valid = cpu_to_le32(valid_tx_ant),
 129         };
 130
 131         IWL_DEBUG_HC(mvm, "select valid tx ant: %u\n", valid_tx_ant);
 132         return iwl_mvm_send_cmd_pdu(mvm, TX_ANT_CONFIGURATION_CMD, CMD_SYNC,
 133                                     sizeof(tx_ant_cmd), &tx_ant_cmd);
 134 }
 135
 136 static bool iwl_alive_fn(struct iwl_notif_wait_data *notif_wait,
 137                          struct iwl_rx_packet *pkt, void *data)
 138 {
 139         struct iwl_mvm *mvm =
 140                 container_of(notif_wait, struct iwl_mvm, notif_wait);
 141         struct iwl_mvm_alive_data *alive_data = data;
 142         struct mvm_alive_resp *palive;
 143
 144         palive = (void *)pkt->data;
 145
 146         mvm->error_event_table = le32_to_cpu(palive->error_event_table_ptr);
 147         mvm->log_event_table = le32_to_cpu(palive->log_event_table_ptr);
 148         alive_data->scd_base_addr = le32_to_cpu(palive->scd_base_ptr);
 149
 150         alive_data->valid = le16_to_cpu(palive->status) == IWL_ALIVE_STATUS_OK;
 151         IWL_DEBUG_FW(mvm, "Alive ucode status 0x%04x revision 0x%01X 0x%01X\n",
 152                      le16_to_cpu(palive->status), palive->ver_type,
 153                      palive->ver_subtype);
 154
 155         return true;
 156 }
 157
 158 static bool iwl_wait_phy_db_entry(struct iwl_notif_wait_data *notif_wait,
 159                                   struct iwl_rx_packet *pkt, void *data)
 160 {
 161         struct iwl_phy_db *phy_db = data;
 162
 163         if (pkt->hdr.cmd != CALIB_RES_NOTIF_PHY_DB) {
 164                 WARN_ON(pkt->hdr.cmd != INIT_COMPLETE_NOTIF);
 165                 return true;
 166         }
 167
 168         WARN_ON(iwl_phy_db_set_section(phy_db, pkt, GFP_ATOMIC));
 169
 170         return false;
 171 }
 172
 173 static int iwl_mvm_load_ucode_wait_alive(struct iwl_mvm *mvm,
 174                                          enum iwl_ucode_type ucode_type)
 175 {
 176         struct iwl_notification_wait alive_wait;
 177         struct iwl_mvm_alive_data alive_data;
 178         const struct fw_img *fw;
 179         int ret, i;
 180         enum iwl_ucode_type old_type = mvm->cur_ucode;
 181         static const u8 alive_cmd[] = { MVM_ALIVE };
 182
 183         mvm->cur_ucode = ucode_type;
 184         fw = iwl_get_ucode_image(mvm, ucode_type);
 185
 186         mvm->ucode_loaded = false;
 187
 188         if (!fw)
 189                 return -EINVAL;
 190
 191         iwl_init_notification_wait(&mvm->notif_wait, &alive_wait,
 192                                    alive_cmd, ARRAY_SIZE(alive_cmd),
 193                                    iwl_alive_fn, &alive_data);
 194
 195         ret = iwl_trans_start_fw(mvm->trans, fw, ucode_type == IWL_UCODE_INIT);
 196         if (ret) {
 197                 mvm->cur_ucode = old_type;
 198                 iwl_remove_notification(&mvm->notif_wait, &alive_wait);
 199                 return ret;
 200         }
 201
 202         /*
 203          * Some things may run in the background now, but we
 204          * just wait for the ALIVE notification here.
 205          */
 206         ret = iwl_wait_notification(&mvm->notif_wait, &alive_wait,
 207                                     MVM_UCODE_ALIVE_TIMEOUT);
 208         if (ret) {
 209                 mvm->cur_ucode = old_type;
 210                 return ret;
 211         }
 212
 213         if (!alive_data.valid) {
 214                 IWL_ERR(mvm, "Loaded ucode is not valid!\n");
 215                 mvm->cur_ucode = old_type;
 216                 return -EIO;
 217         }
 218
 219         iwl_trans_fw_alive(mvm->trans, alive_data.scd_base_addr);
 220
 221         /*
 222          * Note: all the queues are enabled as part of the interface
 223          * initialization, but in firmware restart scenarios they
 224          * could be stopped, so wake them up. In firmware restart,
 225          * mac80211 will have the queues stopped as well until the
 226          * reconfiguration completes. During normal startup, they
 227          * will be empty.
 228          */
 229
 230         for (i = 0; i < IWL_MAX_HW_QUEUES; i++) {
 231                 if (i < IWL_MVM_FIRST_AGG_QUEUE && i != IWL_MVM_CMD_QUEUE)
 232                         mvm->queue_to_mac80211[i] = i;
 233                 else
 234                         mvm->queue_to_mac80211[i] = IWL_INVALID_MAC80211_QUEUE;
 235                 atomic_set(&mvm->queue_stop_count[i], 0);
 236         }
 237
 238         mvm->transport_queue_stop = 0;
 239
 240         mvm->ucode_loaded = true;
 241
 242         return 0;
 243 }
 244 #define IWL_HW_REV_ID_RAINBOW   0x2
 245 #define IWL_PROJ_TYPE_LHP       0x5
 246
 247 static u32 iwl_mvm_build_phy_cfg(struct iwl_mvm *mvm)
 248 {
 249         struct iwl_nvm_data *data = mvm->nvm_data;
 250         /* Temp calls to static definitions, will be changed to CSR calls */
 251         u8 hw_rev_id = IWL_HW_REV_ID_RAINBOW;
 252         u8 project_type = IWL_PROJ_TYPE_LHP;
 253
 254         return data->radio_cfg_dash | (data->radio_cfg_step << 2) |
 255                 (hw_rev_id << 4) | ((project_type & 0x7f) << 6) |
 256                 (data->valid_tx_ant << 16) | (data->valid_rx_ant << 20);
 257 }
 258
 259 static int iwl_send_phy_cfg_cmd(struct iwl_mvm *mvm)
 260 {
 261         struct iwl_phy_cfg_cmd phy_cfg_cmd;
 262         enum iwl_ucode_type ucode_type = mvm->cur_ucode;
 263
 264         /* Set parameters */
 265         phy_cfg_cmd.phy_cfg = cpu_to_le32(iwl_mvm_build_phy_cfg(mvm));
 266         phy_cfg_cmd.calib_control.event_trigger =
 267                 mvm->fw->default_calib[ucode_type].event_trigger;
 268         phy_cfg_cmd.calib_control.flow_trigger =
 269                 mvm->fw->default_calib[ucode_type].flow_trigger;
 270
 271         IWL_DEBUG_INFO(mvm, "Sending Phy CFG command: 0x%x\n",
 272                        phy_cfg_cmd.phy_cfg);
 273
 274         return iwl_mvm_send_cmd_pdu(mvm, PHY_CONFIGURATION_CMD, CMD_SYNC,
 275                                     sizeof(phy_cfg_cmd), &phy_cfg_cmd);
 276 }
 277
 278 /* Starting with the new PHY DB implementation - New calibs are enabled */
 279 /* Value - 0x405e7 */
 280 #define IWL_CALIB_DEFAULT_FLOW_INIT     (IWL_CALIB_CFG_XTAL_IDX         |\
 281                                          IWL_CALIB_CFG_TEMPERATURE_IDX  |\
 282                                          IWL_CALIB_CFG_VOLTAGE_READ_IDX |\
 283                                          IWL_CALIB_CFG_DC_IDX           |\
 284                                          IWL_CALIB_CFG_BB_FILTER_IDX    |\
 285                                          IWL_CALIB_CFG_LO_LEAKAGE_IDX   |\
 286                                          IWL_CALIB_CFG_TX_IQ_IDX        |\
 287                                          IWL_CALIB_CFG_RX_IQ_IDX        |\
 288                                          IWL_CALIB_CFG_AGC_IDX)
 289
 290 #define IWL_CALIB_DEFAULT_EVENT_INIT    0x0
 291
 292 /* Value 0x41567 */
 293 #define IWL_CALIB_DEFAULT_FLOW_RUN      (IWL_CALIB_CFG_XTAL_IDX         |\
 294                                          IWL_CALIB_CFG_TEMPERATURE_IDX  |\
 295                                          IWL_CALIB_CFG_VOLTAGE_READ_IDX |\
 296                                          IWL_CALIB_CFG_BB_FILTER_IDX    |\
 297                                          IWL_CALIB_CFG_DC_IDX           |\
 298                                          IWL_CALIB_CFG_TX_IQ_IDX        |\
 299                                          IWL_CALIB_CFG_RX_IQ_IDX        |\
 300                                          IWL_CALIB_CFG_SENSITIVITY_IDX  |\
 301                                          IWL_CALIB_CFG_AGC_IDX)
 302
 303 #define IWL_CALIB_DEFAULT_EVENT_RUN     (IWL_CALIB_CFG_XTAL_IDX         |\
 304                                          IWL_CALIB_CFG_TEMPERATURE_IDX  |\
 305                                          IWL_CALIB_CFG_VOLTAGE_READ_IDX |\
 306                                          IWL_CALIB_CFG_TX_PWR_IDX       |\
 307                                          IWL_CALIB_CFG_DC_IDX           |\
 308                                          IWL_CALIB_CFG_TX_IQ_IDX        |\
 309                                          IWL_CALIB_CFG_SENSITIVITY_IDX)
 310
 311 /*
 312  * Sets the calibrations trigger values that will be sent to the FW for runtime
 313  * and init calibrations.
 314  * The ones given in the FW TLV are not correct.
 315  */
 316 static void iwl_set_default_calib_trigger(struct iwl_mvm *mvm)
 317 {
 318         struct iwl_tlv_calib_ctrl default_calib;
 319
 320         /*
 321          * WkP FW TLV calib bits are wrong, overwrite them.
 322          * This defines the dynamic calibrations which are implemented in the
 323          * uCode both for init(flow) calculation and event driven calibs.
 324          */
 325
 326         /* Init Image */
 327         default_calib.event_trigger = cpu_to_le32(IWL_CALIB_DEFAULT_EVENT_INIT);
 328         default_calib.flow_trigger = cpu_to_le32(IWL_CALIB_DEFAULT_FLOW_INIT);
 329
 330         if (default_calib.event_trigger !=
 331             mvm->fw->default_calib[IWL_UCODE_INIT].event_trigger)
 332                 IWL_ERR(mvm,
 333                         "Updating the event calib for INIT image: 0x%x -> 0x%x\n",
 334                         mvm->fw->default_calib[IWL_UCODE_INIT].event_trigger,
 335                         default_calib.event_trigger);
 336         if (default_calib.flow_trigger !=
 337             mvm->fw->default_calib[IWL_UCODE_INIT].flow_trigger)
 338                 IWL_ERR(mvm,
 339                         "Updating the flow calib for INIT image: 0x%x -> 0x%x\n",
 340                         mvm->fw->default_calib[IWL_UCODE_INIT].flow_trigger,
 341                         default_calib.flow_trigger);
 342
 343         memcpy((void *)&mvm->fw->default_calib[IWL_UCODE_INIT],
 344                &default_calib, sizeof(struct iwl_tlv_calib_ctrl));
 345         IWL_ERR(mvm,
 346                 "Setting uCode init calibrations event 0x%x, trigger 0x%x\n",
 347                 default_calib.event_trigger,
 348                 default_calib.flow_trigger);
 349
 350         /* Run time image */
 351         default_calib.event_trigger = cpu_to_le32(IWL_CALIB_DEFAULT_EVENT_RUN);
 352         default_calib.flow_trigger = cpu_to_le32(IWL_CALIB_DEFAULT_FLOW_RUN);
 353
 354         if (default_calib.event_trigger !=
 355             mvm->fw->default_calib[IWL_UCODE_REGULAR].event_trigger)
 356                 IWL_ERR(mvm,
 357                         "Updating the event calib for RT image: 0x%x -> 0x%x\n",
 358                         mvm->fw->default_calib[IWL_UCODE_REGULAR].event_trigger,
 359                         default_calib.event_trigger);
 360         if (default_calib.flow_trigger !=
 361             mvm->fw->default_calib[IWL_UCODE_REGULAR].flow_trigger)
 362                 IWL_ERR(mvm,
 363                         "Updating the flow calib for RT image: 0x%x -> 0x%x\n",
 364                         mvm->fw->default_calib[IWL_UCODE_REGULAR].flow_trigger,
 365                         default_calib.flow_trigger);
 366
 367         memcpy((void *)&mvm->fw->default_calib[IWL_UCODE_REGULAR],
 368                &default_calib, sizeof(struct iwl_tlv_calib_ctrl));
 369         IWL_ERR(mvm,
 370                 "Setting uCode runtime calibs event 0x%x, trigger 0x%x\n",
 371                 default_calib.event_trigger,
 372                 default_calib.flow_trigger);
 373 }
 374
 375 static int iwl_set_default_calibrations(struct iwl_mvm *mvm)
 376 {
 377         u8 cmd_raw[16]; /* holds the variable size commands */
 378         struct iwl_set_calib_default_cmd *cmd =
 379                 (struct iwl_set_calib_default_cmd *)cmd_raw;
 380         int ret, i;
 381
 382         /* Setting default values for calibrations we don't run */
 383         for (i = 0; i < ARRAY_SIZE(wkp_calib_default_data); i++) {
 384                 u16 cmd_len;
 385
 386                 if (wkp_calib_default_data[i].size == 0)
 387                         continue;
 388
 389                 memset(cmd_raw, 0, sizeof(cmd_raw));
 390                 cmd_len = wkp_calib_default_data[i].size + sizeof(cmd);
 391                 cmd->calib_index = cpu_to_le16(i);
 392                 cmd->length = cpu_to_le16(wkp_calib_default_data[i].size);
 393                 if (WARN_ONCE(cmd_len > sizeof(cmd_raw),
 394                               "Need to enlarge cmd_raw to %d\n", cmd_len))
 395                         break;
 396                 memcpy(cmd->data, wkp_calib_default_data[i].data,
 397                        wkp_calib_default_data[i].size);
 398                 ret = iwl_mvm_send_cmd_pdu(mvm, SET_CALIB_DEFAULT_CMD, 0,
 399                                            sizeof(*cmd) +
 400                                            wkp_calib_default_data[i].size,
 401                                            cmd);
 402                 if (ret)
 403                         return ret;
 404         }
 405
 406         return 0;
 407 }
 408
 409 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm)
 410 {
 411         struct iwl_notification_wait calib_wait;
 412         static const u8 init_complete[] = {
 413                 INIT_COMPLETE_NOTIF,
 414                 CALIB_RES_NOTIF_PHY_DB
 415         };
 416         int ret;
 417
 418         lockdep_assert_held(&mvm->mutex);
 419
 420         if (mvm->init_ucode_run)
 421                 return 0;
 422
 423         iwl_init_notification_wait(&mvm->notif_wait,
 424                                    &calib_wait,
 425                                    init_complete,
 426                                    ARRAY_SIZE(init_complete),
 427                                    iwl_wait_phy_db_entry,
 428                                    mvm->phy_db);
 429
 430         /* Will also start the device */
 431         ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_INIT);
 432         if (ret) {
 433                 IWL_ERR(mvm, "Failed to start INIT ucode: %d\n", ret);
 434                 goto error;
 435         }
 436
 437         if (read_nvm) {
 438                 /* Read nvm */
 439                 ret = iwl_nvm_init(mvm);
 440                 if (ret) {
 441                         IWL_ERR(mvm, "Failed to read NVM: %d\n", ret);
 442                         goto error;
 443                 }
 444         }
 445
 446         ret = iwl_nvm_check_version(mvm->nvm_data, mvm->trans);
 447         WARN_ON(ret);
 448
 449         /* Override the calibrations from TLV and the const of fw */
 450         iwl_set_default_calib_trigger(mvm);
 451
 452         /* WkP doesn't have all calibrations, need to set default values */
 453         if (mvm->cfg->device_family == IWL_DEVICE_FAMILY_7000) {
 454                 ret = iwl_set_default_calibrations(mvm);
 455                 if (ret)
 456                         goto error;
 457         }
 458
 459         /*
 460          * Send phy configurations command to init uCode
 461          * to start the 16.0 uCode init image internal calibrations.
 462          */
 463         ret = iwl_send_phy_cfg_cmd(mvm);
 464         if (ret) {
 465                 IWL_ERR(mvm, "Failed to run INIT calibrations: %d\n",
 466                         ret);
 467                 goto error;
 468         }
 469
 470         /*
 471          * Some things may run in the background now, but we
 472          * just wait for the calibration complete notification.
 473          */
 474         ret = iwl_wait_notification(&mvm->notif_wait, &calib_wait,
 475                         MVM_UCODE_CALIB_TIMEOUT);
 476         if (!ret)
 477                 mvm->init_ucode_run = true;
 478         goto out;
 479
 480 error:
 481         iwl_remove_notification(&mvm->notif_wait, &calib_wait);
 482 out:
 483         if (!iwlmvm_mod_params.init_dbg) {
 484                 iwl_trans_stop_device(mvm->trans);
 485         } else if (!mvm->nvm_data) {
 486                 /* we want to debug INIT and we have no NVM - fake */
 487                 mvm->nvm_data = kzalloc(sizeof(struct iwl_nvm_data) +
 488                                         sizeof(struct ieee80211_channel) +
 489                                         sizeof(struct ieee80211_rate),
 490                                         GFP_KERNEL);
 491                 if (!mvm->nvm_data)
 492                         return -ENOMEM;
 493                 mvm->nvm_data->valid_rx_ant = 1;
 494                 mvm->nvm_data->valid_tx_ant = 1;
 495                 mvm->nvm_data->bands[0].channels = mvm->nvm_data->channels;
 496                 mvm->nvm_data->bands[0].n_channels = 1;
 497                 mvm->nvm_data->bands[0].n_bitrates = 1;
 498                 mvm->nvm_data->bands[0].bitrates =
 499                         (void *)mvm->nvm_data->channels + 1;
 500                 mvm->nvm_data->bands[0].bitrates->hw_value = 10;
 501         }
 502
 503         return ret;
 504 }
 505
 506 #define UCODE_CALIB_TIMEOUT     (2*HZ)
 507
 508 int iwl_mvm_up(struct iwl_mvm *mvm)
 509 {
 510         int ret, i;
 511
 512         lockdep_assert_held(&mvm->mutex);
 513
 514         ret = iwl_trans_start_hw(mvm->trans);
 515         if (ret)
 516                 return ret;
 517
 518         /* If we were in RFKILL during module loading, load init ucode now */
 519         if (!mvm->init_ucode_run) {
 520                 ret = iwl_run_init_mvm_ucode(mvm, false);
 521                 if (ret && !iwlmvm_mod_params.init_dbg) {
 522                         IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", ret);
 523                         goto error;
 524                 }
 525         }
 526
 527         if (iwlmvm_mod_params.init_dbg)
 528                 return 0;
 529
 530         ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_REGULAR);
 531         if (ret) {
 532                 IWL_ERR(mvm, "Failed to start RT ucode: %d\n", ret);
 533                 goto error;
 534         }
 535
 536         ret = iwl_send_tx_ant_cfg(mvm, mvm->nvm_data->valid_tx_ant);
 537         if (ret)
 538                 goto error;
 539
 540         /* Send phy db control command and then phy db calibration*/
 541         ret = iwl_send_phy_db_data(mvm->phy_db);
 542         if (ret)
 543                 goto error;
 544
 545         ret = iwl_send_phy_cfg_cmd(mvm);
 546         if (ret)
 547                 goto error;
 548
 549         /* init the fw <-> mac80211 STA mapping */
 550         for (i = 0; i < IWL_MVM_STATION_COUNT; i++)
 551                 RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL);
 552
 553         /* Add auxiliary station for scanning */
 554         ret = iwl_mvm_add_aux_sta(mvm);
 555         if (ret)
 556                 goto error;
 557
 558         IWL_DEBUG_INFO(mvm, "RT uCode started.\n");
 559
 560         return 0;
 561  error:
 562         iwl_trans_stop_device(mvm->trans);
 563         return ret;
 564 }
 565
 566 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm)
 567 {
 568         int ret, i;
 569
 570         lockdep_assert_held(&mvm->mutex);
 571
 572         ret = iwl_trans_start_hw(mvm->trans);
 573         if (ret)
 574                 return ret;
 575
 576         ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_WOWLAN);
 577         if (ret) {
 578                 IWL_ERR(mvm, "Failed to start WoWLAN firmware: %d\n", ret);
 579                 goto error;
 580         }
 581
 582         ret = iwl_send_tx_ant_cfg(mvm, mvm->nvm_data->valid_tx_ant);
 583         if (ret)
 584                 goto error;
 585
 586         /* Send phy db control command and then phy db calibration*/
 587         ret = iwl_send_phy_db_data(mvm->phy_db);
 588         if (ret)
 589                 goto error;
 590
 591         ret = iwl_send_phy_cfg_cmd(mvm);
 592         if (ret)
 593                 goto error;
 594
 595         /* init the fw <-> mac80211 STA mapping */
 596         for (i = 0; i < IWL_MVM_STATION_COUNT; i++)
 597                 RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL);
 598
 599         /* Add auxiliary station for scanning */
 600         ret = iwl_mvm_add_aux_sta(mvm);
 601         if (ret)
 602                 goto error;
 603
 604         return 0;
 605  error:
 606         iwl_trans_stop_device(mvm->trans);
 607         return ret;
 608 }
 609
 610 int iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
 611                                     struct iwl_rx_cmd_buffer *rxb,
 612                                     struct iwl_device_cmd *cmd)
 613 {
 614         struct iwl_rx_packet *pkt = rxb_addr(rxb);
 615         struct iwl_card_state_notif *card_state_notif = (void *)pkt->data;
 616         u32 flags = le32_to_cpu(card_state_notif->flags);
 617
 618         IWL_DEBUG_RF_KILL(mvm, "Card state received: HW:%s SW:%s CT:%s\n",
 619                           (flags & HW_CARD_DISABLED) ? "Kill" : "On",
 620                           (flags & SW_CARD_DISABLED) ? "Kill" : "On",
 621                           (flags & CT_KILL_CARD_DISABLED) ?
 622                           "Reached" : "Not reached");
 623
 624         return 0;
 625 }
 626
 627 int iwl_mvm_rx_radio_ver(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 628                          struct iwl_device_cmd *cmd)
 629 {
 630         struct iwl_rx_packet *pkt = rxb_addr(rxb);
 631         struct iwl_radio_version_notif *radio_version = (void *)pkt->data;
 632
 633         /* TODO: what to do with that? */
 634         IWL_DEBUG_INFO(mvm,
 635                        "Radio version: flavor: 0x%08x, step 0x%08x, dash 0x%08x\n",
 636                        le32_to_cpu(radio_version->radio_flavor),
 637                        le32_to_cpu(radio_version->radio_step),
 638                        le32_to_cpu(radio_version->radio_dash));
 639         return 0;
 640 }