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.
  19  *
  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
  24  *
  25  * The full GNU General Public License is included in this distribution
  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-prph.h"
  74 #include "iwl-eeprom-parse.h"
  75
  76 #include "mvm.h"
  77 #include "iwl-phy-db.h"
  78
  79 #define MVM_UCODE_ALIVE_TIMEOUT HZ
  80 #define MVM_UCODE_CALIB_TIMEOUT (2*HZ)
  81
  82 #define UCODE_VALID_OK  cpu_to_le32(0x1)
  83
  84 struct iwl_mvm_alive_data {
  85         bool valid;
  86         u32 scd_base_addr;
  87 };
  88
  89 static inline const struct fw_img *
  90 iwl_get_ucode_image(struct iwl_mvm *mvm, enum iwl_ucode_type ucode_type)
  91 {
  92         if (ucode_type >= IWL_UCODE_TYPE_MAX)
  93                 return NULL;
  94
  95         return &mvm->fw->img[ucode_type];
  96 }
  97
  98 static int iwl_send_tx_ant_cfg(struct iwl_mvm *mvm, u8 valid_tx_ant)
  99 {
 100         struct iwl_tx_ant_cfg_cmd tx_ant_cmd = {
 101                 .valid = cpu_to_le32(valid_tx_ant),
 102         };
 103
 104         IWL_DEBUG_FW(mvm, "select valid tx ant: %u\n", valid_tx_ant);
 105         return iwl_mvm_send_cmd_pdu(mvm, TX_ANT_CONFIGURATION_CMD, 0,
 106                                     sizeof(tx_ant_cmd), &tx_ant_cmd);
 107 }
 108
 109 static bool iwl_alive_fn(struct iwl_notif_wait_data *notif_wait,
 110                          struct iwl_rx_packet *pkt, void *data)
 111 {
 112         struct iwl_mvm *mvm =
 113                 container_of(notif_wait, struct iwl_mvm, notif_wait);
 114         struct iwl_mvm_alive_data *alive_data = data;
 115         struct mvm_alive_resp *palive;
 116         struct mvm_alive_resp_ver2 *palive2;
 117
 118         if (iwl_rx_packet_payload_len(pkt) == sizeof(*palive)) {
 119                 palive = (void *)pkt->data;
 120
 121                 mvm->support_umac_log = false;
 122                 mvm->error_event_table =
 123                         le32_to_cpu(palive->error_event_table_ptr);
 124                 mvm->log_event_table = le32_to_cpu(palive->log_event_table_ptr);
 125                 alive_data->scd_base_addr = le32_to_cpu(palive->scd_base_ptr);
 126
 127                 alive_data->valid = le16_to_cpu(palive->status) ==
 128                                     IWL_ALIVE_STATUS_OK;
 129                 IWL_DEBUG_FW(mvm,
 130                              "Alive VER1 ucode status 0x%04x revision 0x%01X 0x%01X flags 0x%01X\n",
 131                              le16_to_cpu(palive->status), palive->ver_type,
 132                              palive->ver_subtype, palive->flags);
 133         } else {
 134                 palive2 = (void *)pkt->data;
 135
 136                 mvm->error_event_table =
 137                         le32_to_cpu(palive2->error_event_table_ptr);
 138                 mvm->log_event_table =
 139                         le32_to_cpu(palive2->log_event_table_ptr);
 140                 alive_data->scd_base_addr = le32_to_cpu(palive2->scd_base_ptr);
 141                 mvm->umac_error_event_table =
 142                         le32_to_cpu(palive2->error_info_addr);
 143                 mvm->sf_space.addr = le32_to_cpu(palive2->st_fwrd_addr);
 144                 mvm->sf_space.size = le32_to_cpu(palive2->st_fwrd_size);
 145
 146                 alive_data->valid = le16_to_cpu(palive2->status) ==
 147                                     IWL_ALIVE_STATUS_OK;
 148                 if (mvm->umac_error_event_table)
 149                         mvm->support_umac_log = true;
 150
 151                 IWL_DEBUG_FW(mvm,
 152                              "Alive VER2 ucode status 0x%04x revision 0x%01X 0x%01X flags 0x%01X\n",
 153                              le16_to_cpu(palive2->status), palive2->ver_type,
 154                              palive2->ver_subtype, palive2->flags);
 155
 156                 IWL_DEBUG_FW(mvm,
 157                              "UMAC version: Major - 0x%x, Minor - 0x%x\n",
 158                              palive2->umac_major, palive2->umac_minor);
 159         }
 160
 161         return true;
 162 }
 163
 164 static bool iwl_wait_phy_db_entry(struct iwl_notif_wait_data *notif_wait,
 165                                   struct iwl_rx_packet *pkt, void *data)
 166 {
 167         struct iwl_phy_db *phy_db = data;
 168
 169         if (pkt->hdr.cmd != CALIB_RES_NOTIF_PHY_DB) {
 170                 WARN_ON(pkt->hdr.cmd != INIT_COMPLETE_NOTIF);
 171                 return true;
 172         }
 173
 174         WARN_ON(iwl_phy_db_set_section(phy_db, pkt, GFP_ATOMIC));
 175
 176         return false;
 177 }
 178
 179 static int iwl_mvm_load_ucode_wait_alive(struct iwl_mvm *mvm,
 180                                          enum iwl_ucode_type ucode_type)
 181 {
 182         struct iwl_notification_wait alive_wait;
 183         struct iwl_mvm_alive_data alive_data;
 184         const struct fw_img *fw;
 185         int ret, i;
 186         enum iwl_ucode_type old_type = mvm->cur_ucode;
 187         static const u8 alive_cmd[] = { MVM_ALIVE };
 188         struct iwl_sf_region st_fwrd_space;
 189
 190         if (ucode_type == IWL_UCODE_REGULAR &&
 191             iwl_fw_dbg_conf_usniffer(mvm->fw, FW_DBG_CUSTOM) &&
 192             iwl_fw_dbg_conf_enabled(mvm->fw, FW_DBG_CUSTOM))
 193                 fw = iwl_get_ucode_image(mvm, IWL_UCODE_REGULAR_USNIFFER);
 194         else
 195                 fw = iwl_get_ucode_image(mvm, ucode_type);
 196         if (WARN_ON(!fw))
 197                 return -EINVAL;
 198         mvm->cur_ucode = ucode_type;
 199         mvm->ucode_loaded = false;
 200
 201         iwl_init_notification_wait(&mvm->notif_wait, &alive_wait,
 202                                    alive_cmd, ARRAY_SIZE(alive_cmd),
 203                                    iwl_alive_fn, &alive_data);
 204
 205         ret = iwl_trans_start_fw(mvm->trans, fw, ucode_type == IWL_UCODE_INIT);
 206         if (ret) {
 207                 mvm->cur_ucode = old_type;
 208                 iwl_remove_notification(&mvm->notif_wait, &alive_wait);
 209                 return ret;
 210         }
 211
 212         /*
 213          * Some things may run in the background now, but we
 214          * just wait for the ALIVE notification here.
 215          */
 216         ret = iwl_wait_notification(&mvm->notif_wait, &alive_wait,
 217                                     MVM_UCODE_ALIVE_TIMEOUT);
 218         if (ret) {
 219                 mvm->cur_ucode = old_type;
 220                 return ret;
 221         }
 222
 223         if (!alive_data.valid) {
 224                 IWL_ERR(mvm, "Loaded ucode is not valid!\n");
 225                 mvm->cur_ucode = old_type;
 226                 return -EIO;
 227         }
 228
 229         /*
 230          * update the sdio allocation according to the pointer we get in the
 231          * alive notification.
 232          */
 233         st_fwrd_space.addr = mvm->sf_space.addr;
 234         st_fwrd_space.size = mvm->sf_space.size;
 235         ret = iwl_trans_update_sf(mvm->trans, &st_fwrd_space);
 236         if (ret) {
 237                 IWL_ERR(mvm, "Failed to update SF size. ret %d\n", ret);
 238                 return ret;
 239         }
 240
 241         iwl_trans_fw_alive(mvm->trans, alive_data.scd_base_addr);
 242
 243         /*
 244          * Note: all the queues are enabled as part of the interface
 245          * initialization, but in firmware restart scenarios they
 246          * could be stopped, so wake them up. In firmware restart,
 247          * mac80211 will have the queues stopped as well until the
 248          * reconfiguration completes. During normal startup, they
 249          * will be empty.
 250          */
 251
 252         for (i = 0; i < IWL_MAX_HW_QUEUES; i++) {
 253                 if (i < mvm->first_agg_queue && i != IWL_MVM_CMD_QUEUE)
 254                         mvm->queue_to_mac80211[i] = i;
 255                 else
 256                         mvm->queue_to_mac80211[i] = IWL_INVALID_MAC80211_QUEUE;
 257         }
 258
 259         for (i = 0; i < IEEE80211_MAX_QUEUES; i++)
 260                 atomic_set(&mvm->mac80211_queue_stop_count[i], 0);
 261
 262         mvm->ucode_loaded = true;
 263
 264         return 0;
 265 }
 266
 267 static int iwl_send_phy_cfg_cmd(struct iwl_mvm *mvm)
 268 {
 269         struct iwl_phy_cfg_cmd phy_cfg_cmd;
 270         enum iwl_ucode_type ucode_type = mvm->cur_ucode;
 271
 272         /* Set parameters */
 273         phy_cfg_cmd.phy_cfg = cpu_to_le32(iwl_mvm_get_phy_config(mvm));
 274         phy_cfg_cmd.calib_control.event_trigger =
 275                 mvm->fw->default_calib[ucode_type].event_trigger;
 276         phy_cfg_cmd.calib_control.flow_trigger =
 277                 mvm->fw->default_calib[ucode_type].flow_trigger;
 278
 279         IWL_DEBUG_INFO(mvm, "Sending Phy CFG command: 0x%x\n",
 280                        phy_cfg_cmd.phy_cfg);
 281
 282         return iwl_mvm_send_cmd_pdu(mvm, PHY_CONFIGURATION_CMD, 0,
 283                                     sizeof(phy_cfg_cmd), &phy_cfg_cmd);
 284 }
 285
 286 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm)
 287 {
 288         struct iwl_notification_wait calib_wait;
 289         static const u8 init_complete[] = {
 290                 INIT_COMPLETE_NOTIF,
 291                 CALIB_RES_NOTIF_PHY_DB
 292         };
 293         int ret;
 294
 295         lockdep_assert_held(&mvm->mutex);
 296
 297         if (WARN_ON_ONCE(mvm->init_ucode_complete || mvm->calibrating))
 298                 return 0;
 299
 300         iwl_init_notification_wait(&mvm->notif_wait,
 301                                    &calib_wait,
 302                                    init_complete,
 303                                    ARRAY_SIZE(init_complete),
 304                                    iwl_wait_phy_db_entry,
 305                                    mvm->phy_db);
 306
 307         /* Will also start the device */
 308         ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_INIT);
 309         if (ret) {
 310                 IWL_ERR(mvm, "Failed to start INIT ucode: %d\n", ret);
 311                 goto error;
 312         }
 313
 314         ret = iwl_send_bt_init_conf(mvm);
 315         if (ret)
 316                 goto error;
 317
 318         /* Read the NVM only at driver load time, no need to do this twice */
 319         if (read_nvm) {
 320                 /* Read nvm */
 321                 ret = iwl_nvm_init(mvm, true);
 322                 if (ret) {
 323                         IWL_ERR(mvm, "Failed to read NVM: %d\n", ret);
 324                         goto error;
 325                 }
 326         }
 327
 328         /* In case we read the NVM from external file, load it to the NIC */
 329         if (mvm->nvm_file_name)
 330                 iwl_mvm_load_nvm_to_nic(mvm);
 331
 332         ret = iwl_nvm_check_version(mvm->nvm_data, mvm->trans);
 333         WARN_ON(ret);
 334
 335         /*
 336          * abort after reading the nvm in case RF Kill is on, we will complete
 337          * the init seq later when RF kill will switch to off
 338          */
 339         if (iwl_mvm_is_radio_killed(mvm)) {
 340                 IWL_DEBUG_RF_KILL(mvm,
 341                                   "jump over all phy activities due to RF kill\n");
 342                 iwl_remove_notification(&mvm->notif_wait, &calib_wait);
 343                 ret = 1;
 344                 goto out;
 345         }
 346
 347         mvm->calibrating = true;
 348
 349         /* Send TX valid antennas before triggering calibrations */
 350         ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm));
 351         if (ret)
 352                 goto error;
 353
 354         /*
 355          * Send phy configurations command to init uCode
 356          * to start the 16.0 uCode init image internal calibrations.
 357          */
 358         ret = iwl_send_phy_cfg_cmd(mvm);
 359         if (ret) {
 360                 IWL_ERR(mvm, "Failed to run INIT calibrations: %d\n",
 361                         ret);
 362                 goto error;
 363         }
 364
 365         /*
 366          * Some things may run in the background now, but we
 367          * just wait for the calibration complete notification.
 368          */
 369         ret = iwl_wait_notification(&mvm->notif_wait, &calib_wait,
 370                         MVM_UCODE_CALIB_TIMEOUT);
 371         if (!ret)
 372                 mvm->init_ucode_complete = true;
 373
 374         if (ret && iwl_mvm_is_radio_killed(mvm)) {
 375                 IWL_DEBUG_RF_KILL(mvm, "RFKILL while calibrating.\n");
 376                 ret = 1;
 377         }
 378         goto out;
 379
 380 error:
 381         iwl_remove_notification(&mvm->notif_wait, &calib_wait);
 382 out:
 383         mvm->calibrating = false;
 384         if (iwlmvm_mod_params.init_dbg && !mvm->nvm_data) {
 385                 /* we want to debug INIT and we have no NVM - fake */
 386                 mvm->nvm_data = kzalloc(sizeof(struct iwl_nvm_data) +
 387                                         sizeof(struct ieee80211_channel) +
 388                                         sizeof(struct ieee80211_rate),
 389                                         GFP_KERNEL);
 390                 if (!mvm->nvm_data)
 391                         return -ENOMEM;
 392                 mvm->nvm_data->bands[0].channels = mvm->nvm_data->channels;
 393                 mvm->nvm_data->bands[0].n_channels = 1;
 394                 mvm->nvm_data->bands[0].n_bitrates = 1;
 395                 mvm->nvm_data->bands[0].bitrates =
 396                         (void *)mvm->nvm_data->channels + 1;
 397                 mvm->nvm_data->bands[0].bitrates->hw_value = 10;
 398         }
 399
 400         return ret;
 401 }
 402
 403 static void iwl_mvm_get_shared_mem_conf(struct iwl_mvm *mvm)
 404 {
 405         struct iwl_host_cmd cmd = {
 406                 .id = SHARED_MEM_CFG,
 407                 .flags = CMD_WANT_SKB,
 408                 .data = { NULL, },
 409                 .len = { 0, },
 410         };
 411         struct iwl_rx_packet *pkt;
 412         struct iwl_shared_mem_cfg *mem_cfg;
 413         u32 i;
 414
 415         lockdep_assert_held(&mvm->mutex);
 416
 417         if (WARN_ON(iwl_mvm_send_cmd(mvm, &cmd)))
 418                 return;
 419
 420         pkt = cmd.resp_pkt;
 421         if (pkt->hdr.flags & IWL_CMD_FAILED_MSK) {
 422                 IWL_ERR(mvm, "Bad return from SHARED_MEM_CFG (0x%08X)\n",
 423                         pkt->hdr.flags);
 424                 goto exit;
 425         }
 426
 427         mem_cfg = (void *)pkt->data;
 428
 429         mvm->shared_mem_cfg.shared_mem_addr =
 430                 le32_to_cpu(mem_cfg->shared_mem_addr);
 431         mvm->shared_mem_cfg.shared_mem_size =
 432                 le32_to_cpu(mem_cfg->shared_mem_size);
 433         mvm->shared_mem_cfg.sample_buff_addr =
 434                 le32_to_cpu(mem_cfg->sample_buff_addr);
 435         mvm->shared_mem_cfg.sample_buff_size =
 436                 le32_to_cpu(mem_cfg->sample_buff_size);
 437         mvm->shared_mem_cfg.txfifo_addr = le32_to_cpu(mem_cfg->txfifo_addr);
 438         for (i = 0; i < ARRAY_SIZE(mvm->shared_mem_cfg.txfifo_size); i++)
 439                 mvm->shared_mem_cfg.txfifo_size[i] =
 440                         le32_to_cpu(mem_cfg->txfifo_size[i]);
 441         for (i = 0; i < ARRAY_SIZE(mvm->shared_mem_cfg.rxfifo_size); i++)
 442                 mvm->shared_mem_cfg.rxfifo_size[i] =
 443                         le32_to_cpu(mem_cfg->rxfifo_size[i]);
 444         mvm->shared_mem_cfg.page_buff_addr =
 445                 le32_to_cpu(mem_cfg->page_buff_addr);
 446         mvm->shared_mem_cfg.page_buff_size =
 447                 le32_to_cpu(mem_cfg->page_buff_size);
 448         IWL_DEBUG_INFO(mvm, "SHARED MEM CFG: got memory offsets/sizes\n");
 449
 450 exit:
 451         iwl_free_resp(&cmd);
 452 }
 453
 454 void iwl_mvm_fw_dbg_collect(struct iwl_mvm *mvm)
 455 {
 456         /* stop recording */
 457         if (mvm->cfg->device_family == IWL_DEVICE_FAMILY_7000) {
 458                 iwl_set_bits_prph(mvm->trans, MON_BUFF_SAMPLE_CTL, 0x100);
 459         } else {
 460                 iwl_write_prph(mvm->trans, DBGC_IN_SAMPLE, 0);
 461                 iwl_write_prph(mvm->trans, DBGC_OUT_CTRL, 0);
 462         }
 463
 464         schedule_work(&mvm->fw_error_dump_wk);
 465 }
 466
 467 int iwl_mvm_start_fw_dbg_conf(struct iwl_mvm *mvm, enum iwl_fw_dbg_conf conf_id)
 468 {
 469         u8 *ptr;
 470         int ret;
 471         int i;
 472
 473         if (WARN_ONCE(conf_id >= ARRAY_SIZE(mvm->fw->dbg_conf_tlv),
 474                       "Invalid configuration %d\n", conf_id))
 475                 return -EINVAL;
 476
 477         if (!mvm->fw->dbg_conf_tlv[conf_id])
 478                 return -EINVAL;
 479
 480         if (mvm->fw_dbg_conf != FW_DBG_INVALID)
 481                 IWL_WARN(mvm, "FW already configured (%d) - re-configuring\n",
 482                          mvm->fw_dbg_conf);
 483
 484         /* Send all HCMDs for configuring the FW debug */
 485         ptr = (void *)&mvm->fw->dbg_conf_tlv[conf_id]->hcmd;
 486         for (i = 0; i < mvm->fw->dbg_conf_tlv[conf_id]->num_of_hcmds; i++) {
 487                 struct iwl_fw_dbg_conf_hcmd *cmd = (void *)ptr;
 488
 489                 ret = iwl_mvm_send_cmd_pdu(mvm, cmd->id, 0,
 490                                            le16_to_cpu(cmd->len), cmd->data);
 491                 if (ret)
 492                         return ret;
 493
 494                 ptr += sizeof(*cmd);
 495                 ptr += le16_to_cpu(cmd->len);
 496         }
 497
 498         mvm->fw_dbg_conf = conf_id;
 499         return ret;
 500 }
 501
 502 static int iwl_mvm_config_ltr_v1(struct iwl_mvm *mvm)
 503 {
 504         struct iwl_ltr_config_cmd_v1 cmd_v1 = {
 505                 .flags = cpu_to_le32(LTR_CFG_FLAG_FEATURE_ENABLE),
 506         };
 507
 508         if (!mvm->trans->ltr_enabled)
 509                 return 0;
 510
 511         return iwl_mvm_send_cmd_pdu(mvm, LTR_CONFIG, 0,
 512                                     sizeof(cmd_v1), &cmd_v1);
 513 }
 514
 515 static int iwl_mvm_config_ltr(struct iwl_mvm *mvm)
 516 {
 517         struct iwl_ltr_config_cmd cmd = {
 518                 .flags = cpu_to_le32(LTR_CFG_FLAG_FEATURE_ENABLE),
 519         };
 520
 521         if (!mvm->trans->ltr_enabled)
 522                 return 0;
 523
 524         if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_HDC_PHASE_0))
 525                 return iwl_mvm_config_ltr_v1(mvm);
 526
 527         return iwl_mvm_send_cmd_pdu(mvm, LTR_CONFIG, 0,
 528                                     sizeof(cmd), &cmd);
 529 }
 530
 531 int iwl_mvm_up(struct iwl_mvm *mvm)
 532 {
 533         int ret, i;
 534         struct ieee80211_channel *chan;
 535         struct cfg80211_chan_def chandef;
 536
 537         lockdep_assert_held(&mvm->mutex);
 538
 539         ret = iwl_trans_start_hw(mvm->trans);
 540         if (ret)
 541                 return ret;
 542
 543         /*
 544          * If we haven't completed the run of the init ucode during
 545          * module loading, load init ucode now
 546          * (for example, if we were in RFKILL)
 547          */
 548         if (!mvm->init_ucode_complete) {
 549                 ret = iwl_run_init_mvm_ucode(mvm, false);
 550                 if (ret && !iwlmvm_mod_params.init_dbg) {
 551                         IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", ret);
 552                         /* this can't happen */
 553                         if (WARN_ON(ret > 0))
 554                                 ret = -ERFKILL;
 555                         goto error;
 556                 }
 557                 if (!iwlmvm_mod_params.init_dbg) {
 558                         /*
 559                          * should stop and start HW since that INIT
 560                          * image just loaded
 561                          */
 562                         iwl_trans_stop_device(mvm->trans);
 563                         ret = iwl_trans_start_hw(mvm->trans);
 564                         if (ret)
 565                                 return ret;
 566                 }
 567         }
 568
 569         if (iwlmvm_mod_params.init_dbg)
 570                 return 0;
 571
 572         ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_REGULAR);
 573         if (ret) {
 574                 IWL_ERR(mvm, "Failed to start RT ucode: %d\n", ret);
 575                 goto error;
 576         }
 577
 578         iwl_mvm_get_shared_mem_conf(mvm);
 579
 580         ret = iwl_mvm_sf_update(mvm, NULL, false);
 581         if (ret)
 582                 IWL_ERR(mvm, "Failed to initialize Smart Fifo\n");
 583
 584         mvm->fw_dbg_conf = FW_DBG_INVALID;
 585         iwl_mvm_start_fw_dbg_conf(mvm, FW_DBG_CUSTOM);
 586
 587         ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm));
 588         if (ret)
 589                 goto error;
 590
 591         ret = iwl_send_bt_init_conf(mvm);
 592         if (ret)
 593                 goto error;
 594
 595         /* Send phy db control command and then phy db calibration*/
 596         ret = iwl_send_phy_db_data(mvm->phy_db);
 597         if (ret)
 598                 goto error;
 599
 600         ret = iwl_send_phy_cfg_cmd(mvm);
 601         if (ret)
 602                 goto error;
 603
 604         /* init the fw <-> mac80211 STA mapping */
 605         for (i = 0; i < IWL_MVM_STATION_COUNT; i++)
 606                 RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL);
 607
 608         mvm->tdls_cs.peer.sta_id = IWL_MVM_STATION_COUNT;
 609
 610         /* reset quota debouncing buffer - 0xff will yield invalid data */
 611         memset(&mvm->last_quota_cmd, 0xff, sizeof(mvm->last_quota_cmd));
 612
 613         /* Add auxiliary station for scanning */
 614         ret = iwl_mvm_add_aux_sta(mvm);
 615         if (ret)
 616                 goto error;
 617
 618         /* Add all the PHY contexts */
 619         chan = &mvm->hw->wiphy->bands[IEEE80211_BAND_2GHZ]->channels[0];
 620         cfg80211_chandef_create(&chandef, chan, NL80211_CHAN_NO_HT);
 621         for (i = 0; i < NUM_PHY_CTX; i++) {
 622                 /*
 623                  * The channel used here isn't relevant as it's
 624                  * going to be overwritten in the other flows.
 625                  * For now use the first channel we have.
 626                  */
 627                 ret = iwl_mvm_phy_ctxt_add(mvm, &mvm->phy_ctxts[i],
 628                                            &chandef, 1, 1);
 629                 if (ret)
 630                         goto error;
 631         }
 632
 633         /* Initialize tx backoffs to the minimal possible */
 634         iwl_mvm_tt_tx_backoff(mvm, 0);
 635
 636         WARN_ON(iwl_mvm_config_ltr(mvm));
 637
 638         ret = iwl_mvm_power_update_device(mvm);
 639         if (ret)
 640                 goto error;
 641
 642         if (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_UMAC_SCAN) {
 643                 ret = iwl_mvm_config_scan(mvm);
 644                 if (ret)
 645                         goto error;
 646         }
 647
 648         /* allow FW/transport low power modes if not during restart */
 649         if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
 650                 iwl_mvm_unref(mvm, IWL_MVM_REF_UCODE_DOWN);
 651
 652         IWL_DEBUG_INFO(mvm, "RT uCode started.\n");
 653         return 0;
 654  error:
 655         iwl_trans_stop_device(mvm->trans);
 656         return ret;
 657 }
 658
 659 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm)
 660 {
 661         int ret, i;
 662
 663         lockdep_assert_held(&mvm->mutex);
 664
 665         ret = iwl_trans_start_hw(mvm->trans);
 666         if (ret)
 667                 return ret;
 668
 669         ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_WOWLAN);
 670         if (ret) {
 671                 IWL_ERR(mvm, "Failed to start WoWLAN firmware: %d\n", ret);
 672                 goto error;
 673         }
 674
 675         ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm));
 676         if (ret)
 677                 goto error;
 678
 679         /* Send phy db control command and then phy db calibration*/
 680         ret = iwl_send_phy_db_data(mvm->phy_db);
 681         if (ret)
 682                 goto error;
 683
 684         ret = iwl_send_phy_cfg_cmd(mvm);
 685         if (ret)
 686                 goto error;
 687
 688         /* init the fw <-> mac80211 STA mapping */
 689         for (i = 0; i < IWL_MVM_STATION_COUNT; i++)
 690                 RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL);
 691
 692         /* Add auxiliary station for scanning */
 693         ret = iwl_mvm_add_aux_sta(mvm);
 694         if (ret)
 695                 goto error;
 696
 697         return 0;
 698  error:
 699         iwl_trans_stop_device(mvm->trans);
 700         return ret;
 701 }
 702
 703 int iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
 704                                     struct iwl_rx_cmd_buffer *rxb,
 705                                     struct iwl_device_cmd *cmd)
 706 {
 707         struct iwl_rx_packet *pkt = rxb_addr(rxb);
 708         struct iwl_card_state_notif *card_state_notif = (void *)pkt->data;
 709         u32 flags = le32_to_cpu(card_state_notif->flags);
 710
 711         IWL_DEBUG_RF_KILL(mvm, "Card state received: HW:%s SW:%s CT:%s\n",
 712                           (flags & HW_CARD_DISABLED) ? "Kill" : "On",
 713                           (flags & SW_CARD_DISABLED) ? "Kill" : "On",
 714                           (flags & CT_KILL_CARD_DISABLED) ?
 715                           "Reached" : "Not reached");
 716
 717         return 0;
 718 }
 719
 720 int iwl_mvm_rx_radio_ver(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 721                          struct iwl_device_cmd *cmd)
 722 {
 723         struct iwl_rx_packet *pkt = rxb_addr(rxb);
 724         struct iwl_radio_version_notif *radio_version = (void *)pkt->data;
 725
 726         /* TODO: what to do with that? */
 727         IWL_DEBUG_INFO(mvm,
 728                        "Radio version: flavor: 0x%08x, step 0x%08x, dash 0x%08x\n",
 729                        le32_to_cpu(radio_version->radio_flavor),
 730                        le32_to_cpu(radio_version->radio_step),
 731                        le32_to_cpu(radio_version->radio_dash));
 732         return 0;
 733 }
 734
 735 int iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm,
 736                             struct iwl_rx_cmd_buffer *rxb,
 737                             struct iwl_device_cmd *cmd)
 738 {
 739         struct iwl_rx_packet *pkt = rxb_addr(rxb);
 740         struct iwl_mfuart_load_notif *mfuart_notif = (void *)pkt->data;
 741
 742         IWL_DEBUG_INFO(mvm,
 743                        "MFUART: installed ver: 0x%08x, external ver: 0x%08x, status: 0x%08x, duration: 0x%08x\n",
 744                        le32_to_cpu(mfuart_notif->installed_ver),
 745                        le32_to_cpu(mfuart_notif->external_ver),
 746                        le32_to_cpu(mfuart_notif->status),
 747                        le32_to_cpu(mfuart_notif->duration));
 748         return 0;
 749 }