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  *
  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
  15  * WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
  22  * USA
  23  *
  24  * The full GNU General Public License is included in this distribution
  25  * in the file called COPYING.
  26  *
  27  * Contact Information:
  28  *  Intel Linux Wireless <ilw@linux.intel.com>
  29  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  30  *
  31  * BSD LICENSE
  32  *
  33  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
  34  * All rights reserved.
  35  *
  36  * Redistribution and use in source and binary forms, with or without
  37  * modification, are permitted provided that the following conditions
  38  * are met:
  39  *
  40  *  * Redistributions of source code must retain the above copyright
  41  *    notice, this list of conditions and the following disclaimer.
  42  *  * Redistributions in binary form must reproduce the above copyright
  43  *    notice, this list of conditions and the following disclaimer in
  44  *    the documentation and/or other materials provided with the
  45  *    distribution.
  46  *  * Neither the name Intel Corporation nor the names of its
  47  *    contributors may be used to endorse or promote products derived
  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,
  55  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  56  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  57  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  58  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  59  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  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 struct iwl_mvm_alive_data {
  82         bool valid;
  83         u32 scd_base_addr;
  84 };
  85
  86 static inline const struct fw_img *
  87 iwl_get_ucode_image(struct iwl_mvm *mvm, enum iwl_ucode_type ucode_type)
  88 {
  89         if (ucode_type >= IWL_UCODE_TYPE_MAX)
  90                 return NULL;
  91
  92         return &mvm->fw->img[ucode_type];
  93 }
  94
  95 static int iwl_send_tx_ant_cfg(struct iwl_mvm *mvm, u8 valid_tx_ant)
  96 {
  97         struct iwl_tx_ant_cfg_cmd tx_ant_cmd = {
  98                 .valid = cpu_to_le32(valid_tx_ant),
  99         };
 100
 101         IWL_DEBUG_FW(mvm, "select valid tx ant: %u\n", valid_tx_ant);
 102         return iwl_mvm_send_cmd_pdu(mvm, TX_ANT_CONFIGURATION_CMD, CMD_SYNC,
 103                                     sizeof(tx_ant_cmd), &tx_ant_cmd);
 104 }
 105
 106 static bool iwl_alive_fn(struct iwl_notif_wait_data *notif_wait,
 107                          struct iwl_rx_packet *pkt, void *data)
 108 {
 109         struct iwl_mvm *mvm =
 110                 container_of(notif_wait, struct iwl_mvm, notif_wait);
 111         struct iwl_mvm_alive_data *alive_data = data;
 112         struct mvm_alive_resp *palive;
 113         struct mvm_alive_resp_ver2 *palive2;
 114
 115         if (iwl_rx_packet_payload_len(pkt) == sizeof(*palive)) {
 116                 palive = (void *)pkt->data;
 117
 118                 mvm->support_umac_log = false;
 119                 mvm->error_event_table =
 120                         le32_to_cpu(palive->error_event_table_ptr);
 121                 mvm->log_event_table = le32_to_cpu(palive->log_event_table_ptr);
 122                 alive_data->scd_base_addr = le32_to_cpu(palive->scd_base_ptr);
 123
 124                 alive_data->valid = le16_to_cpu(palive->status) ==
 125                                     IWL_ALIVE_STATUS_OK;
 126                 IWL_DEBUG_FW(mvm,
 127                              "Alive VER1 ucode status 0x%04x revision 0x%01X 0x%01X flags 0x%01X\n",
 128                              le16_to_cpu(palive->status), palive->ver_type,
 129                              palive->ver_subtype, palive->flags);
 130         } else {
 131                 palive2 = (void *)pkt->data;
 132
 133                 mvm->support_umac_log = true;
 134                 mvm->error_event_table =
 135                         le32_to_cpu(palive2->error_event_table_ptr);
 136                 mvm->log_event_table =
 137                         le32_to_cpu(palive2->log_event_table_ptr);
 138                 alive_data->scd_base_addr = le32_to_cpu(palive2->scd_base_ptr);
 139                 mvm->umac_error_event_table =
 140                         le32_to_cpu(palive2->error_info_addr);
 141
 142                 alive_data->valid = le16_to_cpu(palive2->status) ==
 143                                     IWL_ALIVE_STATUS_OK;
 144                 IWL_DEBUG_FW(mvm,
 145                              "Alive VER2 ucode status 0x%04x revision 0x%01X 0x%01X flags 0x%01X\n",
 146                              le16_to_cpu(palive2->status), palive2->ver_type,
 147                              palive2->ver_subtype, palive2->flags);
 148
 149                 IWL_DEBUG_FW(mvm,
 150                              "UMAC version: Major - 0x%x, Minor - 0x%x\n",
 151                              palive2->umac_major, palive2->umac_minor);
 152         }
 153
 154         return true;
 155 }
 156
 157 static bool iwl_wait_phy_db_entry(struct iwl_notif_wait_data *notif_wait,
 158                                   struct iwl_rx_packet *pkt, void *data)
 159 {
 160         struct iwl_phy_db *phy_db = data;
 161
 162         if (pkt->hdr.cmd != CALIB_RES_NOTIF_PHY_DB) {
 163                 WARN_ON(pkt->hdr.cmd != INIT_COMPLETE_NOTIF);
 164                 return true;
 165         }
 166
 167         WARN_ON(iwl_phy_db_set_section(phy_db, pkt, GFP_ATOMIC));
 168
 169         return false;
 170 }
 171
 172 static int iwl_mvm_load_ucode_wait_alive(struct iwl_mvm *mvm,
 173                                          enum iwl_ucode_type ucode_type)
 174 {
 175         struct iwl_notification_wait alive_wait;
 176         struct iwl_mvm_alive_data alive_data;
 177         const struct fw_img *fw;
 178         int ret, i;
 179         enum iwl_ucode_type old_type = mvm->cur_ucode;
 180         static const u8 alive_cmd[] = { MVM_ALIVE };
 181
 182         fw = iwl_get_ucode_image(mvm, ucode_type);
 183         if (WARN_ON(!fw))
 184                 return -EINVAL;
 185         mvm->cur_ucode = ucode_type;
 186         mvm->ucode_loaded = false;
 187
 188         iwl_init_notification_wait(&mvm->notif_wait, &alive_wait,
 189                                    alive_cmd, ARRAY_SIZE(alive_cmd),
 190                                    iwl_alive_fn, &alive_data);
 191
 192         ret = iwl_trans_start_fw(mvm->trans, fw, ucode_type == IWL_UCODE_INIT);
 193         if (ret) {
 194                 mvm->cur_ucode = old_type;
 195                 iwl_remove_notification(&mvm->notif_wait, &alive_wait);
 196                 return ret;
 197         }
 198
 199         /*
 200          * Some things may run in the background now, but we
 201          * just wait for the ALIVE notification here.
 202          */
 203         ret = iwl_wait_notification(&mvm->notif_wait, &alive_wait,
 204                                     MVM_UCODE_ALIVE_TIMEOUT);
 205         if (ret) {
 206                 mvm->cur_ucode = old_type;
 207                 return ret;
 208         }
 209
 210         if (!alive_data.valid) {
 211                 IWL_ERR(mvm, "Loaded ucode is not valid!\n");
 212                 mvm->cur_ucode = old_type;
 213                 return -EIO;
 214         }
 215
 216         iwl_trans_fw_alive(mvm->trans, alive_data.scd_base_addr);
 217
 218         /*
 219          * Note: all the queues are enabled as part of the interface
 220          * initialization, but in firmware restart scenarios they
 221          * could be stopped, so wake them up. In firmware restart,
 222          * mac80211 will have the queues stopped as well until the
 223          * reconfiguration completes. During normal startup, they
 224          * will be empty.
 225          */
 226
 227         for (i = 0; i < IWL_MAX_HW_QUEUES; i++) {
 228                 if (i < mvm->first_agg_queue && i != IWL_MVM_CMD_QUEUE)
 229                         mvm->queue_to_mac80211[i] = i;
 230                 else
 231                         mvm->queue_to_mac80211[i] = IWL_INVALID_MAC80211_QUEUE;
 232                 atomic_set(&mvm->queue_stop_count[i], 0);
 233         }
 234
 235         mvm->transport_queue_stop = 0;
 236
 237         mvm->ucode_loaded = true;
 238
 239         return 0;
 240 }
 241
 242 static int iwl_send_phy_cfg_cmd(struct iwl_mvm *mvm)
 243 {
 244         struct iwl_phy_cfg_cmd phy_cfg_cmd;
 245         enum iwl_ucode_type ucode_type = mvm->cur_ucode;
 246
 247         /* Set parameters */
 248         phy_cfg_cmd.phy_cfg = cpu_to_le32(mvm->fw->phy_config);
 249         phy_cfg_cmd.calib_control.event_trigger =
 250                 mvm->fw->default_calib[ucode_type].event_trigger;
 251         phy_cfg_cmd.calib_control.flow_trigger =
 252                 mvm->fw->default_calib[ucode_type].flow_trigger;
 253
 254         IWL_DEBUG_INFO(mvm, "Sending Phy CFG command: 0x%x\n",
 255                        phy_cfg_cmd.phy_cfg);
 256
 257         return iwl_mvm_send_cmd_pdu(mvm, PHY_CONFIGURATION_CMD, CMD_SYNC,
 258                                     sizeof(phy_cfg_cmd), &phy_cfg_cmd);
 259 }
 260
 261 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm)
 262 {
 263         struct iwl_notification_wait calib_wait;
 264         static const u8 init_complete[] = {
 265                 INIT_COMPLETE_NOTIF,
 266                 CALIB_RES_NOTIF_PHY_DB
 267         };
 268         int ret;
 269
 270         lockdep_assert_held(&mvm->mutex);
 271
 272         if (WARN_ON_ONCE(mvm->init_ucode_complete))
 273                 return 0;
 274
 275         iwl_init_notification_wait(&mvm->notif_wait,
 276                                    &calib_wait,
 277                                    init_complete,
 278                                    ARRAY_SIZE(init_complete),
 279                                    iwl_wait_phy_db_entry,
 280                                    mvm->phy_db);
 281
 282         /* Will also start the device */
 283         ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_INIT);
 284         if (ret) {
 285                 IWL_ERR(mvm, "Failed to start INIT ucode: %d\n", ret);
 286                 goto error;
 287         }
 288
 289         ret = iwl_send_bt_prio_tbl(mvm);
 290         if (ret)
 291                 goto error;
 292
 293         /* Read the NVM only at driver load time, no need to do this twice */
 294         if (read_nvm) {
 295                 /* Read nvm */
 296                 ret = iwl_nvm_init(mvm);
 297                 if (ret) {
 298                         IWL_ERR(mvm, "Failed to read NVM: %d\n", ret);
 299                         goto error;
 300                 }
 301         }
 302
 303         /* In case we read the NVM from external file, load it to the NIC */
 304         if (iwlwifi_mod_params.nvm_file)
 305                 iwl_mvm_load_nvm_to_nic(mvm);
 306
 307         ret = iwl_nvm_check_version(mvm->nvm_data, mvm->trans);
 308         WARN_ON(ret);
 309
 310         /*
 311          * abort after reading the nvm in case RF Kill is on, we will complete
 312          * the init seq later when RF kill will switch to off
 313          */
 314         if (iwl_mvm_is_radio_killed(mvm)) {
 315                 IWL_DEBUG_RF_KILL(mvm,
 316                                   "jump over all phy activities due to RF kill\n");
 317                 iwl_remove_notification(&mvm->notif_wait, &calib_wait);
 318                 ret = 1;
 319                 goto out;
 320         }
 321
 322         /* Send TX valid antennas before triggering calibrations */
 323         ret = iwl_send_tx_ant_cfg(mvm, mvm->fw->valid_tx_ant);
 324         if (ret)
 325                 goto error;
 326
 327         /*
 328          * Send phy configurations command to init uCode
 329          * to start the 16.0 uCode init image internal calibrations.
 330          */
 331         ret = iwl_send_phy_cfg_cmd(mvm);
 332         if (ret) {
 333                 IWL_ERR(mvm, "Failed to run INIT calibrations: %d\n",
 334                         ret);
 335                 goto error;
 336         }
 337
 338         /*
 339          * Some things may run in the background now, but we
 340          * just wait for the calibration complete notification.
 341          */
 342         ret = iwl_wait_notification(&mvm->notif_wait, &calib_wait,
 343                         MVM_UCODE_CALIB_TIMEOUT);
 344         if (!ret)
 345                 mvm->init_ucode_complete = true;
 346         goto out;
 347
 348 error:
 349         iwl_remove_notification(&mvm->notif_wait, &calib_wait);
 350 out:
 351         if (iwlmvm_mod_params.init_dbg && !mvm->nvm_data) {
 352                 /* we want to debug INIT and we have no NVM - fake */
 353                 mvm->nvm_data = kzalloc(sizeof(struct iwl_nvm_data) +
 354                                         sizeof(struct ieee80211_channel) +
 355                                         sizeof(struct ieee80211_rate),
 356                                         GFP_KERNEL);
 357                 if (!mvm->nvm_data)
 358                         return -ENOMEM;
 359                 mvm->nvm_data->valid_rx_ant = 1;
 360                 mvm->nvm_data->valid_tx_ant = 1;
 361                 mvm->nvm_data->bands[0].channels = mvm->nvm_data->channels;
 362                 mvm->nvm_data->bands[0].n_channels = 1;
 363                 mvm->nvm_data->bands[0].n_bitrates = 1;
 364                 mvm->nvm_data->bands[0].bitrates =
 365                         (void *)mvm->nvm_data->channels + 1;
 366                 mvm->nvm_data->bands[0].bitrates->hw_value = 10;
 367         }
 368
 369         return ret;
 370 }
 371
 372 #define UCODE_CALIB_TIMEOUT     (2*HZ)
 373
 374 int iwl_mvm_up(struct iwl_mvm *mvm)
 375 {
 376         int ret, i;
 377         struct ieee80211_channel *chan;
 378         struct cfg80211_chan_def chandef;
 379
 380         lockdep_assert_held(&mvm->mutex);
 381
 382         ret = iwl_trans_start_hw(mvm->trans);
 383         if (ret)
 384                 return ret;
 385
 386         /*
 387          * If we haven't completed the run of the init ucode during
 388          * module loading, load init ucode now
 389          * (for example, if we were in RFKILL)
 390          */
 391         if (!mvm->init_ucode_complete) {
 392                 ret = iwl_run_init_mvm_ucode(mvm, false);
 393                 if (ret && !iwlmvm_mod_params.init_dbg) {
 394                         IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", ret);
 395                         /* this can't happen */
 396                         if (WARN_ON(ret > 0))
 397                                 ret = -ERFKILL;
 398                         goto error;
 399                 }
 400                 if (!iwlmvm_mod_params.init_dbg) {
 401                         /*
 402                          * should stop and start HW since that INIT
 403                          * image just loaded
 404                          */
 405                         iwl_trans_stop_device(mvm->trans);
 406                         ret = iwl_trans_start_hw(mvm->trans);
 407                         if (ret)
 408                                 return ret;
 409                 }
 410         }
 411
 412         if (iwlmvm_mod_params.init_dbg)
 413                 return 0;
 414
 415         ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_REGULAR);
 416         if (ret) {
 417                 IWL_ERR(mvm, "Failed to start RT ucode: %d\n", ret);
 418                 goto error;
 419         }
 420
 421         ret = iwl_mvm_sf_update(mvm, NULL, false);
 422         if (ret)
 423                 IWL_ERR(mvm, "Failed to initialize Smart Fifo\n");
 424
 425         ret = iwl_send_tx_ant_cfg(mvm, mvm->fw->valid_tx_ant);
 426         if (ret)
 427                 goto error;
 428
 429         ret = iwl_send_bt_prio_tbl(mvm);
 430         if (ret)
 431                 goto error;
 432
 433         ret = iwl_send_bt_init_conf(mvm);
 434         if (ret)
 435                 goto error;
 436
 437         /* Send phy db control command and then phy db calibration*/
 438         ret = iwl_send_phy_db_data(mvm->phy_db);
 439         if (ret)
 440                 goto error;
 441
 442         ret = iwl_send_phy_cfg_cmd(mvm);
 443         if (ret)
 444                 goto error;
 445
 446         /* init the fw <-> mac80211 STA mapping */
 447         for (i = 0; i < IWL_MVM_STATION_COUNT; i++)
 448                 RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL);
 449
 450         /* Add auxiliary station for scanning */
 451         ret = iwl_mvm_add_aux_sta(mvm);
 452         if (ret)
 453                 goto error;
 454
 455         /* Add all the PHY contexts */
 456         chan = &mvm->hw->wiphy->bands[IEEE80211_BAND_2GHZ]->channels[0];
 457         cfg80211_chandef_create(&chandef, chan, NL80211_CHAN_NO_HT);
 458         for (i = 0; i < NUM_PHY_CTX; i++) {
 459                 /*
 460                  * The channel used here isn't relevant as it's
 461                  * going to be overwritten in the other flows.
 462                  * For now use the first channel we have.
 463                  */
 464                 ret = iwl_mvm_phy_ctxt_add(mvm, &mvm->phy_ctxts[i],
 465                                            &chandef, 1, 1);
 466                 if (ret)
 467                         goto error;
 468         }
 469
 470         /* Initialize tx backoffs to the minimal possible */
 471         iwl_mvm_tt_tx_backoff(mvm, 0);
 472
 473         if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_PM_CMD_SUPPORT)) {
 474                 ret = iwl_power_legacy_set_cam_mode(mvm);
 475                 if (ret)
 476                         goto error;
 477         }
 478
 479         ret = iwl_mvm_power_update_device(mvm);
 480         if (ret)
 481                 goto error;
 482
 483         /* allow FW/transport low power modes if not during restart */
 484         if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
 485                 iwl_mvm_unref(mvm, IWL_MVM_REF_UCODE_DOWN);
 486
 487         IWL_DEBUG_INFO(mvm, "RT uCode started.\n");
 488         return 0;
 489  error:
 490         iwl_trans_stop_device(mvm->trans);
 491         return ret;
 492 }
 493
 494 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm)
 495 {
 496         int ret, i;
 497
 498         lockdep_assert_held(&mvm->mutex);
 499
 500         ret = iwl_trans_start_hw(mvm->trans);
 501         if (ret)
 502                 return ret;
 503
 504         ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_WOWLAN);
 505         if (ret) {
 506                 IWL_ERR(mvm, "Failed to start WoWLAN firmware: %d\n", ret);
 507                 goto error;
 508         }
 509
 510         ret = iwl_send_tx_ant_cfg(mvm, mvm->fw->valid_tx_ant);
 511         if (ret)
 512                 goto error;
 513
 514         /* Send phy db control command and then phy db calibration*/
 515         ret = iwl_send_phy_db_data(mvm->phy_db);
 516         if (ret)
 517                 goto error;
 518
 519         ret = iwl_send_phy_cfg_cmd(mvm);
 520         if (ret)
 521                 goto error;
 522
 523         /* init the fw <-> mac80211 STA mapping */
 524         for (i = 0; i < IWL_MVM_STATION_COUNT; i++)
 525                 RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL);
 526
 527         /* Add auxiliary station for scanning */
 528         ret = iwl_mvm_add_aux_sta(mvm);
 529         if (ret)
 530                 goto error;
 531
 532         return 0;
 533  error:
 534         iwl_trans_stop_device(mvm->trans);
 535         return ret;
 536 }
 537
 538 int iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
 539                                     struct iwl_rx_cmd_buffer *rxb,
 540                                     struct iwl_device_cmd *cmd)
 541 {
 542         struct iwl_rx_packet *pkt = rxb_addr(rxb);
 543         struct iwl_card_state_notif *card_state_notif = (void *)pkt->data;
 544         u32 flags = le32_to_cpu(card_state_notif->flags);
 545
 546         IWL_DEBUG_RF_KILL(mvm, "Card state received: HW:%s SW:%s CT:%s\n",
 547                           (flags & HW_CARD_DISABLED) ? "Kill" : "On",
 548                           (flags & SW_CARD_DISABLED) ? "Kill" : "On",
 549                           (flags & CT_KILL_CARD_DISABLED) ?
 550                           "Reached" : "Not reached");
 551
 552         return 0;
 553 }
 554
 555 int iwl_mvm_rx_radio_ver(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 556                          struct iwl_device_cmd *cmd)
 557 {
 558         struct iwl_rx_packet *pkt = rxb_addr(rxb);
 559         struct iwl_radio_version_notif *radio_version = (void *)pkt->data;
 560
 561         /* TODO: what to do with that? */
 562         IWL_DEBUG_INFO(mvm,
 563                        "Radio version: flavor: 0x%08x, step 0x%08x, dash 0x%08x\n",
 564                        le32_to_cpu(radio_version->radio_flavor),
 565                        le32_to_cpu(radio_version->radio_step),
 566                        le32_to_cpu(radio_version->radio_dash));
 567         return 0;
 568 }