drivers/net/wireless/intel/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 - 2015 Intel Mobile Communications GmbH
  10  * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of version 2 of the GNU General Public License as
  14  * published by the Free Software Foundation.
  15  *
  16  * This program is distributed in the hope that it will be useful, but
  17  * WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  19  * General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program; if not, write to the Free Software
  23  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
  24  * USA
  25  *
  26  * The full GNU General Public License is included in this distribution
  27  * in the file called COPYING.
  28  *
  29  * Contact Information:
  30  *  Intel Linux Wireless <linuxwifi@intel.com>
  31  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  32  *
  33  * BSD LICENSE
  34  *
  35  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
  36  * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
  37  * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
  38  * All rights reserved.
  39  *
  40  * Redistribution and use in source and binary forms, with or without
  41  * modification, are permitted provided that the following conditions
  42  * are met:
  43  *
  44  *  * Redistributions of source code must retain the above copyright
  45  *    notice, this list of conditions and the following disclaimer.
  46  *  * Redistributions in binary form must reproduce the above copyright
  47  *    notice, this list of conditions and the following disclaimer in
  48  *    the documentation and/or other materials provided with the
  49  *    distribution.
  50  *  * Neither the name Intel Corporation nor the names of its
  51  *    contributors may be used to endorse or promote products derived
  52  *    from this software without specific prior written permission.
  53  *
  54  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  55  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  56  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  57  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  58  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  59  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  60  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  61  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  62  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  63  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  64  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  65  *
  66  *****************************************************************************/
  67 #include <net/mac80211.h>
  68 #include <linux/netdevice.h>
  69 #include <linux/acpi.h>
  70
  71 #include "iwl-trans.h"
  72 #include "iwl-op-mode.h"
  73 #include "fw/img.h"
  74 #include "iwl-debug.h"
  75 #include "iwl-csr.h" /* for iwl_mvm_rx_card_state_notif */
  76 #include "iwl-io.h" /* for iwl_mvm_rx_card_state_notif */
  77 #include "iwl-prph.h"
  78 #include "iwl-eeprom-parse.h"
  79
  80 #include "mvm.h"
  81 #include "fw/dbg.h"
  82 #include "iwl-phy-db.h"
  83
  84 #define MVM_UCODE_ALIVE_TIMEOUT HZ
  85 #define MVM_UCODE_CALIB_TIMEOUT (2*HZ)
  86
  87 #define UCODE_VALID_OK  cpu_to_le32(0x1)
  88
  89 struct iwl_mvm_alive_data {
  90         bool valid;
  91         u32 scd_base_addr;
  92 };
  93
  94 static int iwl_send_tx_ant_cfg(struct iwl_mvm *mvm, u8 valid_tx_ant)
  95 {
  96         struct iwl_tx_ant_cfg_cmd tx_ant_cmd = {
  97                 .valid = cpu_to_le32(valid_tx_ant),
  98         };
  99
 100         IWL_DEBUG_FW(mvm, "select valid tx ant: %u\n", valid_tx_ant);
 101         return iwl_mvm_send_cmd_pdu(mvm, TX_ANT_CONFIGURATION_CMD, 0,
 102                                     sizeof(tx_ant_cmd), &tx_ant_cmd);
 103 }
 104
 105 static int iwl_send_rss_cfg_cmd(struct iwl_mvm *mvm)
 106 {
 107         int i;
 108         struct iwl_rss_config_cmd cmd = {
 109                 .flags = cpu_to_le32(IWL_RSS_ENABLE),
 110                 .hash_mask = IWL_RSS_HASH_TYPE_IPV4_TCP |
 111                              IWL_RSS_HASH_TYPE_IPV4_UDP |
 112                              IWL_RSS_HASH_TYPE_IPV4_PAYLOAD |
 113                              IWL_RSS_HASH_TYPE_IPV6_TCP |
 114                              IWL_RSS_HASH_TYPE_IPV6_UDP |
 115                              IWL_RSS_HASH_TYPE_IPV6_PAYLOAD,
 116         };
 117
 118         if (mvm->trans->num_rx_queues == 1)
 119                 return 0;
 120
 121         /* Do not direct RSS traffic to Q 0 which is our fallback queue */
 122         for (i = 0; i < ARRAY_SIZE(cmd.indirection_table); i++)
 123                 cmd.indirection_table[i] =
 124                         1 + (i % (mvm->trans->num_rx_queues - 1));
 125         netdev_rss_key_fill(cmd.secret_key, sizeof(cmd.secret_key));
 126
 127         return iwl_mvm_send_cmd_pdu(mvm, RSS_CONFIG_CMD, 0, sizeof(cmd), &cmd);
 128 }
 129
 130 static int iwl_mvm_send_dqa_cmd(struct iwl_mvm *mvm)
 131 {
 132         struct iwl_dqa_enable_cmd dqa_cmd = {
 133                 .cmd_queue = cpu_to_le32(IWL_MVM_DQA_CMD_QUEUE),
 134         };
 135         u32 cmd_id = iwl_cmd_id(DQA_ENABLE_CMD, DATA_PATH_GROUP, 0);
 136         int ret;
 137
 138         ret = iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, sizeof(dqa_cmd), &dqa_cmd);
 139         if (ret)
 140                 IWL_ERR(mvm, "Failed to send DQA enabling command: %d\n", ret);
 141         else
 142                 IWL_DEBUG_FW(mvm, "Working in DQA mode\n");
 143
 144         return ret;
 145 }
 146
 147 void iwl_mvm_mfu_assert_dump_notif(struct iwl_mvm *mvm,
 148                                    struct iwl_rx_cmd_buffer *rxb)
 149 {
 150         struct iwl_rx_packet *pkt = rxb_addr(rxb);
 151         struct iwl_mfu_assert_dump_notif *mfu_dump_notif = (void *)pkt->data;
 152         __le32 *dump_data = mfu_dump_notif->data;
 153         int n_words = le32_to_cpu(mfu_dump_notif->data_size) / sizeof(__le32);
 154         int i;
 155
 156         if (mfu_dump_notif->index_num == 0)
 157                 IWL_INFO(mvm, "MFUART assert id 0x%x occurred\n",
 158                          le32_to_cpu(mfu_dump_notif->assert_id));
 159
 160         for (i = 0; i < n_words; i++)
 161                 IWL_DEBUG_INFO(mvm,
 162                                "MFUART assert dump, dword %u: 0x%08x\n",
 163                                le16_to_cpu(mfu_dump_notif->index_num) *
 164                                n_words + i,
 165                                le32_to_cpu(dump_data[i]));
 166 }
 167
 168 static bool iwl_alive_fn(struct iwl_notif_wait_data *notif_wait,
 169                          struct iwl_rx_packet *pkt, void *data)
 170 {
 171         struct iwl_mvm *mvm =
 172                 container_of(notif_wait, struct iwl_mvm, notif_wait);
 173         struct iwl_mvm_alive_data *alive_data = data;
 174         struct mvm_alive_resp_v3 *palive3;
 175         struct mvm_alive_resp *palive;
 176         struct iwl_umac_alive *umac;
 177         struct iwl_lmac_alive *lmac1;
 178         struct iwl_lmac_alive *lmac2 = NULL;
 179         u16 status;
 180
 181         if (iwl_rx_packet_payload_len(pkt) == sizeof(*palive)) {
 182                 palive = (void *)pkt->data;
 183                 umac = &palive->umac_data;
 184                 lmac1 = &palive->lmac_data[0];
 185                 lmac2 = &palive->lmac_data[1];
 186                 status = le16_to_cpu(palive->status);
 187         } else {
 188                 palive3 = (void *)pkt->data;
 189                 umac = &palive3->umac_data;
 190                 lmac1 = &palive3->lmac_data;
 191                 status = le16_to_cpu(palive3->status);
 192         }
 193
 194         mvm->error_event_table[0] = le32_to_cpu(lmac1->error_event_table_ptr);
 195         if (lmac2)
 196                 mvm->error_event_table[1] =
 197                         le32_to_cpu(lmac2->error_event_table_ptr);
 198         mvm->log_event_table = le32_to_cpu(lmac1->log_event_table_ptr);
 199         mvm->sf_space.addr = le32_to_cpu(lmac1->st_fwrd_addr);
 200         mvm->sf_space.size = le32_to_cpu(lmac1->st_fwrd_size);
 201
 202         mvm->umac_error_event_table = le32_to_cpu(umac->error_info_addr);
 203
 204         alive_data->scd_base_addr = le32_to_cpu(lmac1->scd_base_ptr);
 205         alive_data->valid = status == IWL_ALIVE_STATUS_OK;
 206         if (mvm->umac_error_event_table)
 207                 mvm->support_umac_log = true;
 208
 209         IWL_DEBUG_FW(mvm,
 210                      "Alive ucode status 0x%04x revision 0x%01X 0x%01X\n",
 211                      status, lmac1->ver_type, lmac1->ver_subtype);
 212
 213         if (lmac2)
 214                 IWL_DEBUG_FW(mvm, "Alive ucode CDB\n");
 215
 216         IWL_DEBUG_FW(mvm,
 217                      "UMAC version: Major - 0x%x, Minor - 0x%x\n",
 218                      le32_to_cpu(umac->umac_major),
 219                      le32_to_cpu(umac->umac_minor));
 220
 221         return true;
 222 }
 223
 224 static bool iwl_wait_init_complete(struct iwl_notif_wait_data *notif_wait,
 225                                    struct iwl_rx_packet *pkt, void *data)
 226 {
 227         WARN_ON(pkt->hdr.cmd != INIT_COMPLETE_NOTIF);
 228
 229         return true;
 230 }
 231
 232 static bool iwl_wait_phy_db_entry(struct iwl_notif_wait_data *notif_wait,
 233                                   struct iwl_rx_packet *pkt, void *data)
 234 {
 235         struct iwl_phy_db *phy_db = data;
 236
 237         if (pkt->hdr.cmd != CALIB_RES_NOTIF_PHY_DB) {
 238                 WARN_ON(pkt->hdr.cmd != INIT_COMPLETE_NOTIF);
 239                 return true;
 240         }
 241
 242         WARN_ON(iwl_phy_db_set_section(phy_db, pkt));
 243
 244         return false;
 245 }
 246
 247 static int iwl_mvm_load_ucode_wait_alive(struct iwl_mvm *mvm,
 248                                          enum iwl_ucode_type ucode_type)
 249 {
 250         struct iwl_notification_wait alive_wait;
 251         struct iwl_mvm_alive_data alive_data;
 252         const struct fw_img *fw;
 253         int ret, i;
 254         enum iwl_ucode_type old_type = mvm->fwrt.cur_fw_img;
 255         static const u16 alive_cmd[] = { MVM_ALIVE };
 256         struct iwl_sf_region st_fwrd_space;
 257
 258         if (ucode_type == IWL_UCODE_REGULAR &&
 259             iwl_fw_dbg_conf_usniffer(mvm->fw, FW_DBG_START_FROM_ALIVE) &&
 260             !(fw_has_capa(&mvm->fw->ucode_capa,
 261                           IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED)))
 262                 fw = iwl_get_ucode_image(mvm->fw, IWL_UCODE_REGULAR_USNIFFER);
 263         else
 264                 fw = iwl_get_ucode_image(mvm->fw, ucode_type);
 265         if (WARN_ON(!fw))
 266                 return -EINVAL;
 267         iwl_fw_set_current_image(&mvm->fwrt, ucode_type);
 268         clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status);
 269
 270         iwl_init_notification_wait(&mvm->notif_wait, &alive_wait,
 271                                    alive_cmd, ARRAY_SIZE(alive_cmd),
 272                                    iwl_alive_fn, &alive_data);
 273
 274         ret = iwl_trans_start_fw(mvm->trans, fw, ucode_type == IWL_UCODE_INIT);
 275         if (ret) {
 276                 iwl_fw_set_current_image(&mvm->fwrt, old_type);
 277                 iwl_remove_notification(&mvm->notif_wait, &alive_wait);
 278                 return ret;
 279         }
 280
 281         /*
 282          * Some things may run in the background now, but we
 283          * just wait for the ALIVE notification here.
 284          */
 285         ret = iwl_wait_notification(&mvm->notif_wait, &alive_wait,
 286                                     MVM_UCODE_ALIVE_TIMEOUT);
 287         if (ret) {
 288                 struct iwl_trans *trans = mvm->trans;
 289
 290                 if (trans->cfg->device_family == IWL_DEVICE_FAMILY_A000)
 291                         IWL_ERR(mvm,
 292                                 "SecBoot CPU1 Status: 0x%x, CPU2 Status: 0x%x\n",
 293                                 iwl_read_prph(trans, UMAG_SB_CPU_1_STATUS),
 294                                 iwl_read_prph(trans, UMAG_SB_CPU_2_STATUS));
 295                 else if (trans->cfg->device_family >= IWL_DEVICE_FAMILY_8000)
 296                         IWL_ERR(mvm,
 297                                 "SecBoot CPU1 Status: 0x%x, CPU2 Status: 0x%x\n",
 298                                 iwl_read_prph(trans, SB_CPU_1_STATUS),
 299                                 iwl_read_prph(trans, SB_CPU_2_STATUS));
 300                 iwl_fw_set_current_image(&mvm->fwrt, old_type);
 301                 return ret;
 302         }
 303
 304         if (!alive_data.valid) {
 305                 IWL_ERR(mvm, "Loaded ucode is not valid!\n");
 306                 iwl_fw_set_current_image(&mvm->fwrt, old_type);
 307                 return -EIO;
 308         }
 309
 310         /*
 311          * update the sdio allocation according to the pointer we get in the
 312          * alive notification.
 313          */
 314         st_fwrd_space.addr = mvm->sf_space.addr;
 315         st_fwrd_space.size = mvm->sf_space.size;
 316         ret = iwl_trans_update_sf(mvm->trans, &st_fwrd_space);
 317         if (ret) {
 318                 IWL_ERR(mvm, "Failed to update SF size. ret %d\n", ret);
 319                 return ret;
 320         }
 321
 322         iwl_trans_fw_alive(mvm->trans, alive_data.scd_base_addr);
 323
 324         /*
 325          * Note: all the queues are enabled as part of the interface
 326          * initialization, but in firmware restart scenarios they
 327          * could be stopped, so wake them up. In firmware restart,
 328          * mac80211 will have the queues stopped as well until the
 329          * reconfiguration completes. During normal startup, they
 330          * will be empty.
 331          */
 332
 333         memset(&mvm->queue_info, 0, sizeof(mvm->queue_info));
 334         mvm->queue_info[IWL_MVM_DQA_CMD_QUEUE].hw_queue_refcount = 1;
 335
 336         for (i = 0; i < IEEE80211_MAX_QUEUES; i++)
 337                 atomic_set(&mvm->mac80211_queue_stop_count[i], 0);
 338
 339         set_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status);
 340
 341         return 0;
 342 }
 343
 344 static int iwl_run_unified_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm)
 345 {
 346         struct iwl_notification_wait init_wait;
 347         struct iwl_nvm_access_complete_cmd nvm_complete = {};
 348         struct iwl_init_extended_cfg_cmd init_cfg = {
 349                 .init_flags = cpu_to_le32(BIT(IWL_INIT_NVM)),
 350         };
 351         static const u16 init_complete[] = {
 352                 INIT_COMPLETE_NOTIF,
 353         };
 354         int ret;
 355
 356         lockdep_assert_held(&mvm->mutex);
 357
 358         iwl_init_notification_wait(&mvm->notif_wait,
 359                                    &init_wait,
 360                                    init_complete,
 361                                    ARRAY_SIZE(init_complete),
 362                                    iwl_wait_init_complete,
 363                                    NULL);
 364
 365         /* Will also start the device */
 366         ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_REGULAR);
 367         if (ret) {
 368                 IWL_ERR(mvm, "Failed to start RT ucode: %d\n", ret);
 369                 goto error;
 370         }
 371
 372         /* Send init config command to mark that we are sending NVM access
 373          * commands
 374          */
 375         ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(SYSTEM_GROUP,
 376                                                 INIT_EXTENDED_CFG_CMD), 0,
 377                                    sizeof(init_cfg), &init_cfg);
 378         if (ret) {
 379                 IWL_ERR(mvm, "Failed to run init config command: %d\n",
 380                         ret);
 381                 goto error;
 382         }
 383
 384         /* Load NVM to NIC if needed */
 385         if (mvm->nvm_file_name) {
 386                 iwl_mvm_read_external_nvm(mvm);
 387                 iwl_mvm_load_nvm_to_nic(mvm);
 388         }
 389
 390         if (IWL_MVM_PARSE_NVM && read_nvm) {
 391                 ret = iwl_nvm_init(mvm);
 392                 if (ret) {
 393                         IWL_ERR(mvm, "Failed to read NVM: %d\n", ret);
 394                         goto error;
 395                 }
 396         }
 397
 398         ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(REGULATORY_AND_NVM_GROUP,
 399                                                 NVM_ACCESS_COMPLETE), 0,
 400                                    sizeof(nvm_complete), &nvm_complete);
 401         if (ret) {
 402                 IWL_ERR(mvm, "Failed to run complete NVM access: %d\n",
 403                         ret);
 404                 goto error;
 405         }
 406
 407         /* We wait for the INIT complete notification */
 408         ret = iwl_wait_notification(&mvm->notif_wait, &init_wait,
 409                                     MVM_UCODE_ALIVE_TIMEOUT);
 410         if (ret)
 411                 return ret;
 412
 413         /* Read the NVM only at driver load time, no need to do this twice */
 414         if (!IWL_MVM_PARSE_NVM && read_nvm) {
 415                 mvm->nvm_data = iwl_fw_get_nvm(&mvm->fwrt);
 416                 if (IS_ERR(mvm->nvm_data)) {
 417                         ret = PTR_ERR(mvm->nvm_data);
 418                         mvm->nvm_data = NULL;
 419                         IWL_ERR(mvm, "Failed to read NVM: %d\n", ret);
 420                         return ret;
 421                 }
 422         }
 423
 424         return 0;
 425
 426 error:
 427         iwl_remove_notification(&mvm->notif_wait, &init_wait);
 428         return ret;
 429 }
 430
 431 static int iwl_send_phy_cfg_cmd(struct iwl_mvm *mvm)
 432 {
 433         struct iwl_phy_cfg_cmd phy_cfg_cmd;
 434         enum iwl_ucode_type ucode_type = mvm->fwrt.cur_fw_img;
 435
 436         /* Set parameters */
 437         phy_cfg_cmd.phy_cfg = cpu_to_le32(iwl_mvm_get_phy_config(mvm));
 438         phy_cfg_cmd.calib_control.event_trigger =
 439                 mvm->fw->default_calib[ucode_type].event_trigger;
 440         phy_cfg_cmd.calib_control.flow_trigger =
 441                 mvm->fw->default_calib[ucode_type].flow_trigger;
 442
 443         IWL_DEBUG_INFO(mvm, "Sending Phy CFG command: 0x%x\n",
 444                        phy_cfg_cmd.phy_cfg);
 445
 446         return iwl_mvm_send_cmd_pdu(mvm, PHY_CONFIGURATION_CMD, 0,
 447                                     sizeof(phy_cfg_cmd), &phy_cfg_cmd);
 448 }
 449
 450 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm)
 451 {
 452         struct iwl_notification_wait calib_wait;
 453         static const u16 init_complete[] = {
 454                 INIT_COMPLETE_NOTIF,
 455                 CALIB_RES_NOTIF_PHY_DB
 456         };
 457         int ret;
 458
 459         if (iwl_mvm_has_unified_ucode(mvm))
 460                 return iwl_run_unified_mvm_ucode(mvm, true);
 461
 462         lockdep_assert_held(&mvm->mutex);
 463
 464         if (WARN_ON_ONCE(mvm->calibrating))
 465                 return 0;
 466
 467         iwl_init_notification_wait(&mvm->notif_wait,
 468                                    &calib_wait,
 469                                    init_complete,
 470                                    ARRAY_SIZE(init_complete),
 471                                    iwl_wait_phy_db_entry,
 472                                    mvm->phy_db);
 473
 474         /* Will also start the device */
 475         ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_INIT);
 476         if (ret) {
 477                 IWL_ERR(mvm, "Failed to start INIT ucode: %d\n", ret);
 478                 goto remove_notif;
 479         }
 480
 481         if (mvm->cfg->device_family < IWL_DEVICE_FAMILY_8000) {
 482                 ret = iwl_mvm_send_bt_init_conf(mvm);
 483                 if (ret)
 484                         goto remove_notif;
 485         }
 486
 487         /* Read the NVM only at driver load time, no need to do this twice */
 488         if (read_nvm) {
 489                 ret = iwl_nvm_init(mvm);
 490                 if (ret) {
 491                         IWL_ERR(mvm, "Failed to read NVM: %d\n", ret);
 492                         goto remove_notif;
 493                 }
 494         }
 495
 496         /* In case we read the NVM from external file, load it to the NIC */
 497         if (mvm->nvm_file_name)
 498                 iwl_mvm_load_nvm_to_nic(mvm);
 499
 500         WARN_ON(iwl_nvm_check_version(mvm->nvm_data, mvm->trans));
 501
 502         /*
 503          * abort after reading the nvm in case RF Kill is on, we will complete
 504          * the init seq later when RF kill will switch to off
 505          */
 506         if (iwl_mvm_is_radio_hw_killed(mvm)) {
 507                 IWL_DEBUG_RF_KILL(mvm,
 508                                   "jump over all phy activities due to RF kill\n");
 509                 goto remove_notif;
 510         }
 511
 512         mvm->calibrating = true;
 513
 514         /* Send TX valid antennas before triggering calibrations */
 515         ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm));
 516         if (ret)
 517                 goto remove_notif;
 518
 519         ret = iwl_send_phy_cfg_cmd(mvm);
 520         if (ret) {
 521                 IWL_ERR(mvm, "Failed to run INIT calibrations: %d\n",
 522                         ret);
 523                 goto remove_notif;
 524         }
 525
 526         /*
 527          * Some things may run in the background now, but we
 528          * just wait for the calibration complete notification.
 529          */
 530         ret = iwl_wait_notification(&mvm->notif_wait, &calib_wait,
 531                                     MVM_UCODE_CALIB_TIMEOUT);
 532         if (!ret)
 533                 goto out;
 534
 535         if (iwl_mvm_is_radio_hw_killed(mvm)) {
 536                 IWL_DEBUG_RF_KILL(mvm, "RFKILL while calibrating.\n");
 537                 ret = 0;
 538         } else {
 539                 IWL_ERR(mvm, "Failed to run INIT calibrations: %d\n",
 540                         ret);
 541         }
 542
 543         goto out;
 544
 545 remove_notif:
 546         iwl_remove_notification(&mvm->notif_wait, &calib_wait);
 547 out:
 548         mvm->calibrating = false;
 549         if (iwlmvm_mod_params.init_dbg && !mvm->nvm_data) {
 550                 /* we want to debug INIT and we have no NVM - fake */
 551                 mvm->nvm_data = kzalloc(sizeof(struct iwl_nvm_data) +
 552                                         sizeof(struct ieee80211_channel) +
 553                                         sizeof(struct ieee80211_rate),
 554                                         GFP_KERNEL);
 555                 if (!mvm->nvm_data)
 556                         return -ENOMEM;
 557                 mvm->nvm_data->bands[0].channels = mvm->nvm_data->channels;
 558                 mvm->nvm_data->bands[0].n_channels = 1;
 559                 mvm->nvm_data->bands[0].n_bitrates = 1;
 560                 mvm->nvm_data->bands[0].bitrates =
 561                         (void *)mvm->nvm_data->channels + 1;
 562                 mvm->nvm_data->bands[0].bitrates->hw_value = 10;
 563         }
 564
 565         return ret;
 566 }
 567
 568 static int iwl_mvm_config_ltr(struct iwl_mvm *mvm)
 569 {
 570         struct iwl_ltr_config_cmd cmd = {
 571                 .flags = cpu_to_le32(LTR_CFG_FLAG_FEATURE_ENABLE),
 572         };
 573
 574         if (!mvm->trans->ltr_enabled)
 575                 return 0;
 576
 577         return iwl_mvm_send_cmd_pdu(mvm, LTR_CONFIG, 0,
 578                                     sizeof(cmd), &cmd);
 579 }
 580
 581 #ifdef CONFIG_ACPI
 582 #define ACPI_WRDS_METHOD                "WRDS"
 583 #define ACPI_EWRD_METHOD                "EWRD"
 584 #define ACPI_WGDS_METHOD                "WGDS"
 585 #define ACPI_WIFI_DOMAIN                (0x07)
 586 #define ACPI_WRDS_WIFI_DATA_SIZE        (IWL_MVM_SAR_TABLE_SIZE + 2)
 587 #define ACPI_EWRD_WIFI_DATA_SIZE        ((IWL_MVM_SAR_PROFILE_NUM - 1) * \
 588                                          IWL_MVM_SAR_TABLE_SIZE + 3)
 589 #define ACPI_WGDS_WIFI_DATA_SIZE        18
 590 #define ACPI_WGDS_NUM_BANDS             2
 591 #define ACPI_WGDS_TABLE_SIZE            3
 592
 593 static int iwl_mvm_sar_set_profile(struct iwl_mvm *mvm,
 594                                    union acpi_object *table,
 595                                    struct iwl_mvm_sar_profile *profile,
 596                                    bool enabled)
 597 {
 598         int i;
 599
 600         profile->enabled = enabled;
 601
 602         for (i = 0; i < IWL_MVM_SAR_TABLE_SIZE; i++) {
 603                 if ((table[i].type != ACPI_TYPE_INTEGER) ||
 604                     (table[i].integer.value > U8_MAX))
 605                         return -EINVAL;
 606
 607                 profile->table[i] = table[i].integer.value;
 608         }
 609
 610         return 0;
 611 }
 612
 613 static union acpi_object *iwl_mvm_sar_find_wifi_pkg(struct iwl_mvm *mvm,
 614                                                     union acpi_object *data,
 615                                                     int data_size)
 616 {
 617         union acpi_object *wifi_pkg = NULL;
 618         int i;
 619
 620         /*
 621          * We need at least two packages, one for the revision and one
 622          * for the data itself.  Also check that the revision is valid
 623          * (i.e. it is an integer set to 0).
 624          */
 625         if (data->type != ACPI_TYPE_PACKAGE ||
 626             data->package.count < 2 ||
 627             data->package.elements[0].type != ACPI_TYPE_INTEGER ||
 628             data->package.elements[0].integer.value != 0) {
 629                 IWL_DEBUG_RADIO(mvm, "Unsupported packages structure\n");
 630                 return ERR_PTR(-EINVAL);
 631         }
 632
 633         /* loop through all the packages to find the one for WiFi */
 634         for (i = 1; i < data->package.count; i++) {
 635                 union acpi_object *domain;
 636
 637                 wifi_pkg = &data->package.elements[i];
 638
 639                 /* Skip anything that is not a package with the right
 640                  * amount of elements (i.e. domain_type,
 641                  * enabled/disabled plus the actual data size.
 642                  */
 643                 if (wifi_pkg->type != ACPI_TYPE_PACKAGE ||
 644                     wifi_pkg->package.count != data_size)
 645                         continue;
 646
 647                 domain = &wifi_pkg->package.elements[0];
 648                 if (domain->type == ACPI_TYPE_INTEGER &&
 649                     domain->integer.value == ACPI_WIFI_DOMAIN)
 650                         break;
 651
 652                 wifi_pkg = NULL;
 653         }
 654
 655         if (!wifi_pkg)
 656                 return ERR_PTR(-ENOENT);
 657
 658         return wifi_pkg;
 659 }
 660
 661 static int iwl_mvm_sar_get_wrds_table(struct iwl_mvm *mvm)
 662 {
 663         union acpi_object *wifi_pkg, *table;
 664         acpi_handle root_handle;
 665         acpi_handle handle;
 666         struct acpi_buffer wrds = {ACPI_ALLOCATE_BUFFER, NULL};
 667         acpi_status status;
 668         bool enabled;
 669         int ret;
 670
 671         root_handle = ACPI_HANDLE(mvm->dev);
 672         if (!root_handle) {
 673                 IWL_DEBUG_RADIO(mvm,
 674                                 "Could not retrieve root port ACPI handle\n");
 675                 return -ENOENT;
 676         }
 677
 678         /* Get the method's handle */
 679         status = acpi_get_handle(root_handle, (acpi_string)ACPI_WRDS_METHOD,
 680                                  &handle);
 681         if (ACPI_FAILURE(status)) {
 682                 IWL_DEBUG_RADIO(mvm, "WRDS method not found\n");
 683                 return -ENOENT;
 684         }
 685
 686         /* Call WRDS with no arguments */
 687         status = acpi_evaluate_object(handle, NULL, NULL, &wrds);
 688         if (ACPI_FAILURE(status)) {
 689                 IWL_DEBUG_RADIO(mvm, "WRDS invocation failed (0x%x)\n", status);
 690                 return -ENOENT;
 691         }
 692
 693         wifi_pkg = iwl_mvm_sar_find_wifi_pkg(mvm, wrds.pointer,
 694                                              ACPI_WRDS_WIFI_DATA_SIZE);
 695         if (IS_ERR(wifi_pkg)) {
 696                 ret = PTR_ERR(wifi_pkg);
 697                 goto out_free;
 698         }
 699
 700         if (wifi_pkg->package.elements[1].type != ACPI_TYPE_INTEGER) {
 701                 ret = -EINVAL;
 702                 goto out_free;
 703         }
 704
 705         enabled = !!(wifi_pkg->package.elements[1].integer.value);
 706
 707         /* position of the actual table */
 708         table = &wifi_pkg->package.elements[2];
 709
 710         /* The profile from WRDS is officially profile 1, but goes
 711          * into sar_profiles[0] (because we don't have a profile 0).
 712          */
 713         ret = iwl_mvm_sar_set_profile(mvm, table, &mvm->sar_profiles[0],
 714                                       enabled);
 715
 716 out_free:
 717         kfree(wrds.pointer);
 718         return ret;
 719 }
 720
 721 static int iwl_mvm_sar_get_ewrd_table(struct iwl_mvm *mvm)
 722 {
 723         union acpi_object *wifi_pkg;
 724         acpi_handle root_handle;
 725         acpi_handle handle;
 726         struct acpi_buffer ewrd = {ACPI_ALLOCATE_BUFFER, NULL};
 727         acpi_status status;
 728         bool enabled;
 729         int i, n_profiles, ret;
 730
 731         root_handle = ACPI_HANDLE(mvm->dev);
 732         if (!root_handle) {
 733                 IWL_DEBUG_RADIO(mvm,
 734                                 "Could not retrieve root port ACPI handle\n");
 735                 return -ENOENT;
 736         }
 737
 738         /* Get the method's handle */
 739         status = acpi_get_handle(root_handle, (acpi_string)ACPI_EWRD_METHOD,
 740                                  &handle);
 741         if (ACPI_FAILURE(status)) {
 742                 IWL_DEBUG_RADIO(mvm, "EWRD method not found\n");
 743                 return -ENOENT;
 744         }
 745
 746         /* Call EWRD with no arguments */
 747         status = acpi_evaluate_object(handle, NULL, NULL, &ewrd);
 748         if (ACPI_FAILURE(status)) {
 749                 IWL_DEBUG_RADIO(mvm, "EWRD invocation failed (0x%x)\n", status);
 750                 return -ENOENT;
 751         }
 752
 753         wifi_pkg = iwl_mvm_sar_find_wifi_pkg(mvm, ewrd.pointer,
 754                                              ACPI_EWRD_WIFI_DATA_SIZE);
 755         if (IS_ERR(wifi_pkg)) {
 756                 ret = PTR_ERR(wifi_pkg);
 757                 goto out_free;
 758         }
 759
 760         if ((wifi_pkg->package.elements[1].type != ACPI_TYPE_INTEGER) ||
 761             (wifi_pkg->package.elements[2].type != ACPI_TYPE_INTEGER)) {
 762                 ret = -EINVAL;
 763                 goto out_free;
 764         }
 765
 766         enabled = !!(wifi_pkg->package.elements[1].integer.value);
 767         n_profiles = wifi_pkg->package.elements[2].integer.value;
 768
 769         /* in case of BIOS bug */
 770         if (n_profiles <= 0) {
 771                 ret = -EINVAL;
 772                 goto out_free;
 773         }
 774
 775         for (i = 0; i < n_profiles; i++) {
 776                 /* the tables start at element 3 */
 777                 static int pos = 3;
 778
 779                 /* The EWRD profiles officially go from 2 to 4, but we
 780                  * save them in sar_profiles[1-3] (because we don't
 781                  * have profile 0).  So in the array we start from 1.
 782                  */
 783                 ret = iwl_mvm_sar_set_profile(mvm,
 784                                               &wifi_pkg->package.elements[pos],
 785                                               &mvm->sar_profiles[i + 1],
 786                                               enabled);
 787                 if (ret < 0)
 788                         break;
 789
 790                 /* go to the next table */
 791                 pos += IWL_MVM_SAR_TABLE_SIZE;
 792         }
 793
 794 out_free:
 795         kfree(ewrd.pointer);
 796         return ret;
 797 }
 798
 799 static int iwl_mvm_sar_get_wgds_table(struct iwl_mvm *mvm)
 800 {
 801         union acpi_object *wifi_pkg;
 802         acpi_handle root_handle;
 803         acpi_handle handle;
 804         struct acpi_buffer wgds = {ACPI_ALLOCATE_BUFFER, NULL};
 805         acpi_status status;
 806         int i, j, ret;
 807         int idx = 1;
 808
 809         root_handle = ACPI_HANDLE(mvm->dev);
 810         if (!root_handle) {
 811                 IWL_DEBUG_RADIO(mvm,
 812                                 "Could not retrieve root port ACPI handle\n");
 813                 return -ENOENT;
 814         }
 815
 816         /* Get the method's handle */
 817         status = acpi_get_handle(root_handle, (acpi_string)ACPI_WGDS_METHOD,
 818                                  &handle);
 819         if (ACPI_FAILURE(status)) {
 820                 IWL_DEBUG_RADIO(mvm, "WGDS method not found\n");
 821                 return -ENOENT;
 822         }
 823
 824         /* Call WGDS with no arguments */
 825         status = acpi_evaluate_object(handle, NULL, NULL, &wgds);
 826         if (ACPI_FAILURE(status)) {
 827                 IWL_DEBUG_RADIO(mvm, "WGDS invocation failed (0x%x)\n", status);
 828                 return -ENOENT;
 829         }
 830
 831         wifi_pkg = iwl_mvm_sar_find_wifi_pkg(mvm, wgds.pointer,
 832                                              ACPI_WGDS_WIFI_DATA_SIZE);
 833         if (IS_ERR(wifi_pkg)) {
 834                 ret = PTR_ERR(wifi_pkg);
 835                 goto out_free;
 836         }
 837
 838         for (i = 0; i < IWL_NUM_GEO_PROFILES; i++) {
 839                 for (j = 0; j < IWL_MVM_GEO_TABLE_SIZE; j++) {
 840                         union acpi_object *entry;
 841
 842                         entry = &wifi_pkg->package.elements[idx++];
 843                         if ((entry->type != ACPI_TYPE_INTEGER) ||
 844                             (entry->integer.value > U8_MAX)) {
 845                                 ret = -EINVAL;
 846                                 goto out_free;
 847                         }
 848
 849                         mvm->geo_profiles[i].values[j] = entry->integer.value;
 850                 }
 851         }
 852         ret = 0;
 853 out_free:
 854         kfree(wgds.pointer);
 855         return ret;
 856 }
 857
 858 int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a, int prof_b)
 859 {
 860         struct iwl_dev_tx_power_cmd cmd = {
 861                 .v3.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_CHAINS),
 862         };
 863         int i, j, idx;
 864         int profs[IWL_NUM_CHAIN_LIMITS] = { prof_a, prof_b };
 865         int len = sizeof(cmd);
 866
 867         BUILD_BUG_ON(IWL_NUM_CHAIN_LIMITS < 2);
 868         BUILD_BUG_ON(IWL_NUM_CHAIN_LIMITS * IWL_NUM_SUB_BANDS !=
 869                      IWL_MVM_SAR_TABLE_SIZE);
 870
 871         if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TX_POWER_ACK))
 872                 len = sizeof(cmd.v3);
 873
 874         for (i = 0; i < IWL_NUM_CHAIN_LIMITS; i++) {
 875                 struct iwl_mvm_sar_profile *prof;
 876
 877                 /* don't allow SAR to be disabled (profile 0 means disable) */
 878                 if (profs[i] == 0)
 879                         return -EPERM;
 880
 881                 /* we are off by one, so allow up to IWL_MVM_SAR_PROFILE_NUM */
 882                 if (profs[i] > IWL_MVM_SAR_PROFILE_NUM)
 883                         return -EINVAL;
 884
 885                 /* profiles go from 1 to 4, so decrement to access the array */
 886                 prof = &mvm->sar_profiles[profs[i] - 1];
 887
 888                 /* if the profile is disabled, do nothing */
 889                 if (!prof->enabled) {
 890                         IWL_DEBUG_RADIO(mvm, "SAR profile %d is disabled.\n",
 891                                         profs[i]);
 892                         /* if one of the profiles is disabled, we fail all */
 893                         return -ENOENT;
 894                 }
 895
 896                 IWL_DEBUG_RADIO(mvm, "  Chain[%d]:\n", i);
 897                 for (j = 0; j < IWL_NUM_SUB_BANDS; j++) {
 898                         idx = (i * IWL_NUM_SUB_BANDS) + j;
 899                         cmd.v3.per_chain_restriction[i][j] =
 900                                 cpu_to_le16(prof->table[idx]);
 901                         IWL_DEBUG_RADIO(mvm, "    Band[%d] = %d * .125dBm\n",
 902                                         j, prof->table[idx]);
 903                 }
 904         }
 905
 906         IWL_DEBUG_RADIO(mvm, "Sending REDUCE_TX_POWER_CMD per chain\n");
 907
 908         return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0, len, &cmd);
 909 }
 910
 911 int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm)
 912 {
 913         struct iwl_geo_tx_power_profiles_resp *resp;
 914         int ret;
 915
 916         struct iwl_geo_tx_power_profiles_cmd geo_cmd = {
 917                 .ops = cpu_to_le32(IWL_PER_CHAIN_OFFSET_GET_CURRENT_TABLE),
 918         };
 919         struct iwl_host_cmd cmd = {
 920                 .id =  WIDE_ID(PHY_OPS_GROUP, GEO_TX_POWER_LIMIT),
 921                 .len = { sizeof(geo_cmd), },
 922                 .flags = CMD_WANT_SKB,
 923                 .data = { &geo_cmd },
 924         };
 925
 926         ret = iwl_mvm_send_cmd(mvm, &cmd);
 927         if (ret) {
 928                 IWL_ERR(mvm, "Failed to get geographic profile info %d\n", ret);
 929                 return ret;
 930         }
 931
 932         resp = (void *)cmd.resp_pkt->data;
 933         ret = le32_to_cpu(resp->profile_idx);
 934         if (WARN_ON(ret > IWL_NUM_GEO_PROFILES)) {
 935                 ret = -EIO;
 936                 IWL_WARN(mvm, "Invalid geographic profile idx (%d)\n", ret);
 937         }
 938
 939         iwl_free_resp(&cmd);
 940         return ret;
 941 }
 942
 943 static int iwl_mvm_sar_geo_init(struct iwl_mvm *mvm)
 944 {
 945         struct iwl_geo_tx_power_profiles_cmd cmd = {
 946                 .ops = cpu_to_le32(IWL_PER_CHAIN_OFFSET_SET_TABLES),
 947         };
 948         int ret, i, j;
 949         u16 cmd_wide_id =  WIDE_ID(PHY_OPS_GROUP, GEO_TX_POWER_LIMIT);
 950
 951         ret = iwl_mvm_sar_get_wgds_table(mvm);
 952         if (ret < 0) {
 953                 IWL_DEBUG_RADIO(mvm,
 954                                 "Geo SAR BIOS table invalid or unavailable. (%d)\n",
 955                                 ret);
 956                 /* we don't fail if the table is not available */
 957                 return 0;
 958         }
 959
 960         IWL_DEBUG_RADIO(mvm, "Sending GEO_TX_POWER_LIMIT\n");
 961
 962         BUILD_BUG_ON(IWL_NUM_GEO_PROFILES * ACPI_WGDS_NUM_BANDS *
 963                      ACPI_WGDS_TABLE_SIZE !=  ACPI_WGDS_WIFI_DATA_SIZE);
 964
 965         for (i = 0; i < IWL_NUM_GEO_PROFILES; i++) {
 966                 struct iwl_per_chain_offset *chain =
 967                         (struct iwl_per_chain_offset *)&cmd.table[i];
 968
 969                 for (j = 0; j < ACPI_WGDS_NUM_BANDS; j++) {
 970                         u8 *value;
 971
 972                         value = &mvm->geo_profiles[i].values[j *
 973                                 IWL_GEO_PER_CHAIN_SIZE];
 974                         chain[j].max_tx_power = cpu_to_le16(value[0]);
 975                         chain[j].chain_a = value[1];
 976                         chain[j].chain_b = value[2];
 977                         IWL_DEBUG_RADIO(mvm,
 978                                         "SAR geographic profile[%d] Band[%d]: chain A = %d chain B = %d max_tx_power = %d\n",
 979                                         i, j, value[1], value[2], value[0]);
 980                 }
 981         }
 982         return iwl_mvm_send_cmd_pdu(mvm, cmd_wide_id, 0, sizeof(cmd), &cmd);
 983 }
 984
 985 #else /* CONFIG_ACPI */
 986 static int iwl_mvm_sar_get_wrds_table(struct iwl_mvm *mvm)
 987 {
 988         return -ENOENT;
 989 }
 990
 991 static int iwl_mvm_sar_get_ewrd_table(struct iwl_mvm *mvm)
 992 {
 993         return -ENOENT;
 994 }
 995
 996 static int iwl_mvm_sar_geo_init(struct iwl_mvm *mvm)
 997 {
 998         return 0;
 999 }
1000
1001 int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a,
1002                                int prof_b)
1003 {
1004         return -ENOENT;
1005 }
1006
1007 int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm)
1008 {
1009         return -ENOENT;
1010 }
1011 #endif /* CONFIG_ACPI */
1012
1013 static int iwl_mvm_sar_init(struct iwl_mvm *mvm)
1014 {
1015         int ret;
1016
1017         ret = iwl_mvm_sar_get_wrds_table(mvm);
1018         if (ret < 0) {
1019                 IWL_DEBUG_RADIO(mvm,
1020                                 "WRDS SAR BIOS table invalid or unavailable. (%d)\n",
1021                                 ret);
1022                 /* if not available, don't fail and don't bother with EWRD */
1023                 return 0;
1024         }
1025
1026         ret = iwl_mvm_sar_get_ewrd_table(mvm);
1027         /* if EWRD is not available, we can still use WRDS, so don't fail */
1028         if (ret < 0)
1029                 IWL_DEBUG_RADIO(mvm,
1030                                 "EWRD SAR BIOS table invalid or unavailable. (%d)\n",
1031                                 ret);
1032
1033         /* choose profile 1 (WRDS) as default for both chains */
1034         ret = iwl_mvm_sar_select_profile(mvm, 1, 1);
1035
1036         /* if we don't have profile 0 from BIOS, just skip it */
1037         if (ret == -ENOENT)
1038                 return 0;
1039
1040         return ret;
1041 }
1042
1043 static int iwl_mvm_load_rt_fw(struct iwl_mvm *mvm)
1044 {
1045         int ret;
1046
1047         if (iwl_mvm_has_unified_ucode(mvm))
1048                 return iwl_run_unified_mvm_ucode(mvm, false);
1049
1050         ret = iwl_run_init_mvm_ucode(mvm, false);
1051
1052         if (iwlmvm_mod_params.init_dbg)
1053                 return 0;
1054
1055         if (ret) {
1056                 IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", ret);
1057                 return ret;
1058         }
1059
1060         /*
1061          * Stop and start the transport without entering low power
1062          * mode. This will save the state of other components on the
1063          * device that are triggered by the INIT firwmare (MFUART).
1064          */
1065         _iwl_trans_stop_device(mvm->trans, false);
1066         ret = _iwl_trans_start_hw(mvm->trans, false);
1067         if (ret)
1068                 return ret;
1069
1070         ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_REGULAR);
1071         if (ret)
1072                 return ret;
1073
1074         return iwl_init_paging(&mvm->fwrt, mvm->fwrt.cur_fw_img);
1075 }
1076
1077 int iwl_mvm_up(struct iwl_mvm *mvm)
1078 {
1079         int ret, i;
1080         struct ieee80211_channel *chan;
1081         struct cfg80211_chan_def chandef;
1082
1083         lockdep_assert_held(&mvm->mutex);
1084
1085         ret = iwl_trans_start_hw(mvm->trans);
1086         if (ret)
1087                 return ret;
1088
1089         ret = iwl_mvm_load_rt_fw(mvm);
1090         if (ret) {
1091                 IWL_ERR(mvm, "Failed to start RT ucode: %d\n", ret);
1092                 goto error;
1093         }
1094
1095         iwl_get_shared_mem_conf(&mvm->fwrt);
1096
1097         ret = iwl_mvm_sf_update(mvm, NULL, false);
1098         if (ret)
1099                 IWL_ERR(mvm, "Failed to initialize Smart Fifo\n");
1100
1101         mvm->fwrt.dump.conf = FW_DBG_INVALID;
1102         /* if we have a destination, assume EARLY START */
1103         if (mvm->fw->dbg_dest_tlv)
1104                 mvm->fwrt.dump.conf = FW_DBG_START_FROM_ALIVE;
1105         iwl_fw_start_dbg_conf(&mvm->fwrt, FW_DBG_START_FROM_ALIVE);
1106
1107         ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm));
1108         if (ret)
1109                 goto error;
1110
1111         if (!iwl_mvm_has_unified_ucode(mvm)) {
1112                 /* Send phy db control command and then phy db calibration */
1113                 ret = iwl_send_phy_db_data(mvm->phy_db);
1114                 if (ret)
1115                         goto error;
1116
1117                 ret = iwl_send_phy_cfg_cmd(mvm);
1118                 if (ret)
1119                         goto error;
1120         }
1121
1122         ret = iwl_mvm_send_bt_init_conf(mvm);
1123         if (ret)
1124                 goto error;
1125
1126         /* Init RSS configuration */
1127         /* TODO - remove a000 disablement when we have RXQ config API */
1128         if (iwl_mvm_has_new_rx_api(mvm) &&
1129             mvm->trans->cfg->device_family != IWL_DEVICE_FAMILY_A000) {
1130                 ret = iwl_send_rss_cfg_cmd(mvm);
1131                 if (ret) {
1132                         IWL_ERR(mvm, "Failed to configure RSS queues: %d\n",
1133                                 ret);
1134                         goto error;
1135                 }
1136         }
1137
1138         /* init the fw <-> mac80211 STA mapping */
1139         for (i = 0; i < ARRAY_SIZE(mvm->fw_id_to_mac_id); i++)
1140                 RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL);
1141
1142         mvm->tdls_cs.peer.sta_id = IWL_MVM_INVALID_STA;
1143
1144         /* reset quota debouncing buffer - 0xff will yield invalid data */
1145         memset(&mvm->last_quota_cmd, 0xff, sizeof(mvm->last_quota_cmd));
1146
1147         ret = iwl_mvm_send_dqa_cmd(mvm);
1148         if (ret)
1149                 goto error;
1150
1151         /* Add auxiliary station for scanning */
1152         ret = iwl_mvm_add_aux_sta(mvm);
1153         if (ret)
1154                 goto error;
1155
1156         /* Add all the PHY contexts */
1157         chan = &mvm->hw->wiphy->bands[NL80211_BAND_2GHZ]->channels[0];
1158         cfg80211_chandef_create(&chandef, chan, NL80211_CHAN_NO_HT);
1159         for (i = 0; i < NUM_PHY_CTX; i++) {
1160                 /*
1161                  * The channel used here isn't relevant as it's
1162                  * going to be overwritten in the other flows.
1163                  * For now use the first channel we have.
1164                  */
1165                 ret = iwl_mvm_phy_ctxt_add(mvm, &mvm->phy_ctxts[i],
1166                                            &chandef, 1, 1);
1167                 if (ret)
1168                         goto error;
1169         }
1170
1171 #ifdef CONFIG_THERMAL
1172         if (iwl_mvm_is_tt_in_fw(mvm)) {
1173                 /* in order to give the responsibility of ct-kill and
1174                  * TX backoff to FW we need to send empty temperature reporting
1175                  * cmd during init time
1176                  */
1177                 iwl_mvm_send_temp_report_ths_cmd(mvm);
1178         } else {
1179                 /* Initialize tx backoffs to the minimal possible */
1180                 iwl_mvm_tt_tx_backoff(mvm, 0);
1181         }
1182
1183         /* TODO: read the budget from BIOS / Platform NVM */
1184
1185         /*
1186          * In case there is no budget from BIOS / Platform NVM the default
1187          * budget should be 2000mW (cooling state 0).
1188          */
1189         if (iwl_mvm_is_ctdp_supported(mvm)) {
1190                 ret = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_START,
1191                                            mvm->cooling_dev.cur_state);
1192                 if (ret)
1193                         goto error;
1194         }
1195 #else
1196         /* Initialize tx backoffs to the minimal possible */
1197         iwl_mvm_tt_tx_backoff(mvm, 0);
1198 #endif
1199
1200         WARN_ON(iwl_mvm_config_ltr(mvm));
1201
1202         ret = iwl_mvm_power_update_device(mvm);
1203         if (ret)
1204                 goto error;
1205
1206         /*
1207          * RTNL is not taken during Ct-kill, but we don't need to scan/Tx
1208          * anyway, so don't init MCC.
1209          */
1210         if (!test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status)) {
1211                 ret = iwl_mvm_init_mcc(mvm);
1212                 if (ret)
1213                         goto error;
1214         }
1215
1216         if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) {
1217                 mvm->scan_type = IWL_SCAN_TYPE_NOT_SET;
1218                 ret = iwl_mvm_config_scan(mvm);
1219                 if (ret)
1220                         goto error;
1221         }
1222
1223         /* allow FW/transport low power modes if not during restart */
1224         if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
1225                 iwl_mvm_unref(mvm, IWL_MVM_REF_UCODE_DOWN);
1226
1227         ret = iwl_mvm_sar_init(mvm);
1228         if (ret)
1229                 goto error;
1230
1231         ret = iwl_mvm_sar_geo_init(mvm);
1232         if (ret)
1233                 goto error;
1234
1235         iwl_mvm_leds_sync(mvm);
1236
1237         IWL_DEBUG_INFO(mvm, "RT uCode started.\n");
1238         return 0;
1239  error:
1240         if (!iwlmvm_mod_params.init_dbg)
1241                 iwl_mvm_stop_device(mvm);
1242         return ret;
1243 }
1244
1245 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm)
1246 {
1247         int ret, i;
1248
1249         lockdep_assert_held(&mvm->mutex);
1250
1251         ret = iwl_trans_start_hw(mvm->trans);
1252         if (ret)
1253                 return ret;
1254
1255         ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_WOWLAN);
1256         if (ret) {
1257                 IWL_ERR(mvm, "Failed to start WoWLAN firmware: %d\n", ret);
1258                 goto error;
1259         }
1260
1261         ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm));
1262         if (ret)
1263                 goto error;
1264
1265         /* Send phy db control command and then phy db calibration*/
1266         ret = iwl_send_phy_db_data(mvm->phy_db);
1267         if (ret)
1268                 goto error;
1269
1270         ret = iwl_send_phy_cfg_cmd(mvm);
1271         if (ret)
1272                 goto error;
1273
1274         /* init the fw <-> mac80211 STA mapping */
1275         for (i = 0; i < ARRAY_SIZE(mvm->fw_id_to_mac_id); i++)
1276                 RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL);
1277
1278         /* Add auxiliary station for scanning */
1279         ret = iwl_mvm_add_aux_sta(mvm);
1280         if (ret)
1281                 goto error;
1282
1283         return 0;
1284  error:
1285         iwl_mvm_stop_device(mvm);
1286         return ret;
1287 }
1288
1289 void iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
1290                                  struct iwl_rx_cmd_buffer *rxb)
1291 {
1292         struct iwl_rx_packet *pkt = rxb_addr(rxb);
1293         struct iwl_card_state_notif *card_state_notif = (void *)pkt->data;
1294         u32 flags = le32_to_cpu(card_state_notif->flags);
1295
1296         IWL_DEBUG_RF_KILL(mvm, "Card state received: HW:%s SW:%s CT:%s\n",
1297                           (flags & HW_CARD_DISABLED) ? "Kill" : "On",
1298                           (flags & SW_CARD_DISABLED) ? "Kill" : "On",
1299                           (flags & CT_KILL_CARD_DISABLED) ?
1300                           "Reached" : "Not reached");
1301 }
1302
1303 void iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm,
1304                              struct iwl_rx_cmd_buffer *rxb)
1305 {
1306         struct iwl_rx_packet *pkt = rxb_addr(rxb);
1307         struct iwl_mfuart_load_notif *mfuart_notif = (void *)pkt->data;
1308
1309         IWL_DEBUG_INFO(mvm,
1310                        "MFUART: installed ver: 0x%08x, external ver: 0x%08x, status: 0x%08x, duration: 0x%08x\n",
1311                        le32_to_cpu(mfuart_notif->installed_ver),
1312                        le32_to_cpu(mfuart_notif->external_ver),
1313                        le32_to_cpu(mfuart_notif->status),
1314                        le32_to_cpu(mfuart_notif->duration));
1315
1316         if (iwl_rx_packet_payload_len(pkt) == sizeof(*mfuart_notif))
1317                 IWL_DEBUG_INFO(mvm,
1318                                "MFUART: image size: 0x%08x\n",
1319                                le32_to_cpu(mfuart_notif->image_size));
1320 }