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 = BIT(IWL_RSS_HASH_TYPE_IPV4_TCP) |
 111                              BIT(IWL_RSS_HASH_TYPE_IPV4_UDP) |
 112                              BIT(IWL_RSS_HASH_TYPE_IPV4_PAYLOAD) |
 113                              BIT(IWL_RSS_HASH_TYPE_IPV6_TCP) |
 114                              BIT(IWL_RSS_HASH_TYPE_IPV6_UDP) |
 115                              BIT(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
 439         /* set flags extra PHY configuration flags from the device's cfg */
 440         phy_cfg_cmd.phy_cfg |= cpu_to_le32(mvm->cfg->extra_phy_cfg_flags);
 441
 442         phy_cfg_cmd.calib_control.event_trigger =
 443                 mvm->fw->default_calib[ucode_type].event_trigger;
 444         phy_cfg_cmd.calib_control.flow_trigger =
 445                 mvm->fw->default_calib[ucode_type].flow_trigger;
 446
 447         IWL_DEBUG_INFO(mvm, "Sending Phy CFG command: 0x%x\n",
 448                        phy_cfg_cmd.phy_cfg);
 449
 450         return iwl_mvm_send_cmd_pdu(mvm, PHY_CONFIGURATION_CMD, 0,
 451                                     sizeof(phy_cfg_cmd), &phy_cfg_cmd);
 452 }
 453
 454 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm)
 455 {
 456         struct iwl_notification_wait calib_wait;
 457         static const u16 init_complete[] = {
 458                 INIT_COMPLETE_NOTIF,
 459                 CALIB_RES_NOTIF_PHY_DB
 460         };
 461         int ret;
 462
 463         if (iwl_mvm_has_unified_ucode(mvm))
 464                 return iwl_run_unified_mvm_ucode(mvm, true);
 465
 466         lockdep_assert_held(&mvm->mutex);
 467
 468         if (WARN_ON_ONCE(mvm->calibrating))
 469                 return 0;
 470
 471         iwl_init_notification_wait(&mvm->notif_wait,
 472                                    &calib_wait,
 473                                    init_complete,
 474                                    ARRAY_SIZE(init_complete),
 475                                    iwl_wait_phy_db_entry,
 476                                    mvm->phy_db);
 477
 478         /* Will also start the device */
 479         ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_INIT);
 480         if (ret) {
 481                 IWL_ERR(mvm, "Failed to start INIT ucode: %d\n", ret);
 482                 goto remove_notif;
 483         }
 484
 485         if (mvm->cfg->device_family < IWL_DEVICE_FAMILY_8000) {
 486                 ret = iwl_mvm_send_bt_init_conf(mvm);
 487                 if (ret)
 488                         goto remove_notif;
 489         }
 490
 491         /* Read the NVM only at driver load time, no need to do this twice */
 492         if (read_nvm) {
 493                 ret = iwl_nvm_init(mvm);
 494                 if (ret) {
 495                         IWL_ERR(mvm, "Failed to read NVM: %d\n", ret);
 496                         goto remove_notif;
 497                 }
 498         }
 499
 500         /* In case we read the NVM from external file, load it to the NIC */
 501         if (mvm->nvm_file_name)
 502                 iwl_mvm_load_nvm_to_nic(mvm);
 503
 504         WARN_ONCE(mvm->nvm_data->nvm_version < mvm->trans->cfg->nvm_ver,
 505                   "Too old NVM version (0x%0x, required = 0x%0x)",
 506                   mvm->nvm_data->nvm_version, mvm->trans->cfg->nvm_ver);
 507
 508         /*
 509          * abort after reading the nvm in case RF Kill is on, we will complete
 510          * the init seq later when RF kill will switch to off
 511          */
 512         if (iwl_mvm_is_radio_hw_killed(mvm)) {
 513                 IWL_DEBUG_RF_KILL(mvm,
 514                                   "jump over all phy activities due to RF kill\n");
 515                 goto remove_notif;
 516         }
 517
 518         mvm->calibrating = true;
 519
 520         /* Send TX valid antennas before triggering calibrations */
 521         ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm));
 522         if (ret)
 523                 goto remove_notif;
 524
 525         ret = iwl_send_phy_cfg_cmd(mvm);
 526         if (ret) {
 527                 IWL_ERR(mvm, "Failed to run INIT calibrations: %d\n",
 528                         ret);
 529                 goto remove_notif;
 530         }
 531
 532         /*
 533          * Some things may run in the background now, but we
 534          * just wait for the calibration complete notification.
 535          */
 536         ret = iwl_wait_notification(&mvm->notif_wait, &calib_wait,
 537                                     MVM_UCODE_CALIB_TIMEOUT);
 538         if (!ret)
 539                 goto out;
 540
 541         if (iwl_mvm_is_radio_hw_killed(mvm)) {
 542                 IWL_DEBUG_RF_KILL(mvm, "RFKILL while calibrating.\n");
 543                 ret = 0;
 544         } else {
 545                 IWL_ERR(mvm, "Failed to run INIT calibrations: %d\n",
 546                         ret);
 547         }
 548
 549         goto out;
 550
 551 remove_notif:
 552         iwl_remove_notification(&mvm->notif_wait, &calib_wait);
 553 out:
 554         mvm->calibrating = false;
 555         if (iwlmvm_mod_params.init_dbg && !mvm->nvm_data) {
 556                 /* we want to debug INIT and we have no NVM - fake */
 557                 mvm->nvm_data = kzalloc(sizeof(struct iwl_nvm_data) +
 558                                         sizeof(struct ieee80211_channel) +
 559                                         sizeof(struct ieee80211_rate),
 560                                         GFP_KERNEL);
 561                 if (!mvm->nvm_data)
 562                         return -ENOMEM;
 563                 mvm->nvm_data->bands[0].channels = mvm->nvm_data->channels;
 564                 mvm->nvm_data->bands[0].n_channels = 1;
 565                 mvm->nvm_data->bands[0].n_bitrates = 1;
 566                 mvm->nvm_data->bands[0].bitrates =
 567                         (void *)mvm->nvm_data->channels + 1;
 568                 mvm->nvm_data->bands[0].bitrates->hw_value = 10;
 569         }
 570
 571         return ret;
 572 }
 573
 574 static int iwl_mvm_config_ltr(struct iwl_mvm *mvm)
 575 {
 576         struct iwl_ltr_config_cmd cmd = {
 577                 .flags = cpu_to_le32(LTR_CFG_FLAG_FEATURE_ENABLE),
 578         };
 579
 580         if (!mvm->trans->ltr_enabled)
 581                 return 0;
 582
 583         return iwl_mvm_send_cmd_pdu(mvm, LTR_CONFIG, 0,
 584                                     sizeof(cmd), &cmd);
 585 }
 586
 587 #ifdef CONFIG_ACPI
 588 #define ACPI_WRDS_METHOD                "WRDS"
 589 #define ACPI_EWRD_METHOD                "EWRD"
 590 #define ACPI_WGDS_METHOD                "WGDS"
 591 #define ACPI_WIFI_DOMAIN                (0x07)
 592 #define ACPI_WRDS_WIFI_DATA_SIZE        (IWL_MVM_SAR_TABLE_SIZE + 2)
 593 #define ACPI_EWRD_WIFI_DATA_SIZE        ((IWL_MVM_SAR_PROFILE_NUM - 1) * \
 594                                          IWL_MVM_SAR_TABLE_SIZE + 3)
 595 #define ACPI_WGDS_WIFI_DATA_SIZE        19
 596 #define ACPI_WGDS_NUM_BANDS             2
 597 #define ACPI_WGDS_TABLE_SIZE            3
 598
 599 static int iwl_mvm_sar_set_profile(struct iwl_mvm *mvm,
 600                                    union acpi_object *table,
 601                                    struct iwl_mvm_sar_profile *profile,
 602                                    bool enabled)
 603 {
 604         int i;
 605
 606         profile->enabled = enabled;
 607
 608         for (i = 0; i < IWL_MVM_SAR_TABLE_SIZE; i++) {
 609                 if ((table[i].type != ACPI_TYPE_INTEGER) ||
 610                     (table[i].integer.value > U8_MAX))
 611                         return -EINVAL;
 612
 613                 profile->table[i] = table[i].integer.value;
 614         }
 615
 616         return 0;
 617 }
 618
 619 static union acpi_object *iwl_mvm_sar_find_wifi_pkg(struct iwl_mvm *mvm,
 620                                                     union acpi_object *data,
 621                                                     int data_size)
 622 {
 623         union acpi_object *wifi_pkg = NULL;
 624         int i;
 625
 626         /*
 627          * We need at least two packages, one for the revision and one
 628          * for the data itself.  Also check that the revision is valid
 629          * (i.e. it is an integer set to 0).
 630          */
 631         if (data->type != ACPI_TYPE_PACKAGE ||
 632             data->package.count < 2 ||
 633             data->package.elements[0].type != ACPI_TYPE_INTEGER ||
 634             data->package.elements[0].integer.value != 0) {
 635                 IWL_DEBUG_RADIO(mvm, "Unsupported packages structure\n");
 636                 return ERR_PTR(-EINVAL);
 637         }
 638
 639         /* loop through all the packages to find the one for WiFi */
 640         for (i = 1; i < data->package.count; i++) {
 641                 union acpi_object *domain;
 642
 643                 wifi_pkg = &data->package.elements[i];
 644
 645                 /* Skip anything that is not a package with the right
 646                  * amount of elements (i.e. domain_type,
 647                  * enabled/disabled plus the actual data size.
 648                  */
 649                 if (wifi_pkg->type != ACPI_TYPE_PACKAGE ||
 650                     wifi_pkg->package.count != data_size)
 651                         continue;
 652
 653                 domain = &wifi_pkg->package.elements[0];
 654                 if (domain->type == ACPI_TYPE_INTEGER &&
 655                     domain->integer.value == ACPI_WIFI_DOMAIN)
 656                         break;
 657
 658                 wifi_pkg = NULL;
 659         }
 660
 661         if (!wifi_pkg)
 662                 return ERR_PTR(-ENOENT);
 663
 664         return wifi_pkg;
 665 }
 666
 667 static int iwl_mvm_sar_get_wrds_table(struct iwl_mvm *mvm)
 668 {
 669         union acpi_object *wifi_pkg, *table;
 670         acpi_handle root_handle;
 671         acpi_handle handle;
 672         struct acpi_buffer wrds = {ACPI_ALLOCATE_BUFFER, NULL};
 673         acpi_status status;
 674         bool enabled;
 675         int ret;
 676
 677         root_handle = ACPI_HANDLE(mvm->dev);
 678         if (!root_handle) {
 679                 IWL_DEBUG_RADIO(mvm,
 680                                 "Could not retrieve root port ACPI handle\n");
 681                 return -ENOENT;
 682         }
 683
 684         /* Get the method's handle */
 685         status = acpi_get_handle(root_handle, (acpi_string)ACPI_WRDS_METHOD,
 686                                  &handle);
 687         if (ACPI_FAILURE(status)) {
 688                 IWL_DEBUG_RADIO(mvm, "WRDS method not found\n");
 689                 return -ENOENT;
 690         }
 691
 692         /* Call WRDS with no arguments */
 693         status = acpi_evaluate_object(handle, NULL, NULL, &wrds);
 694         if (ACPI_FAILURE(status)) {
 695                 IWL_DEBUG_RADIO(mvm, "WRDS invocation failed (0x%x)\n", status);
 696                 return -ENOENT;
 697         }
 698
 699         wifi_pkg = iwl_mvm_sar_find_wifi_pkg(mvm, wrds.pointer,
 700                                              ACPI_WRDS_WIFI_DATA_SIZE);
 701         if (IS_ERR(wifi_pkg)) {
 702                 ret = PTR_ERR(wifi_pkg);
 703                 goto out_free;
 704         }
 705
 706         if (wifi_pkg->package.elements[1].type != ACPI_TYPE_INTEGER) {
 707                 ret = -EINVAL;
 708                 goto out_free;
 709         }
 710
 711         enabled = !!(wifi_pkg->package.elements[1].integer.value);
 712
 713         /* position of the actual table */
 714         table = &wifi_pkg->package.elements[2];
 715
 716         /* The profile from WRDS is officially profile 1, but goes
 717          * into sar_profiles[0] (because we don't have a profile 0).
 718          */
 719         ret = iwl_mvm_sar_set_profile(mvm, table, &mvm->sar_profiles[0],
 720                                       enabled);
 721
 722 out_free:
 723         kfree(wrds.pointer);
 724         return ret;
 725 }
 726
 727 static int iwl_mvm_sar_get_ewrd_table(struct iwl_mvm *mvm)
 728 {
 729         union acpi_object *wifi_pkg;
 730         acpi_handle root_handle;
 731         acpi_handle handle;
 732         struct acpi_buffer ewrd = {ACPI_ALLOCATE_BUFFER, NULL};
 733         acpi_status status;
 734         bool enabled;
 735         int i, n_profiles, ret;
 736
 737         root_handle = ACPI_HANDLE(mvm->dev);
 738         if (!root_handle) {
 739                 IWL_DEBUG_RADIO(mvm,
 740                                 "Could not retrieve root port ACPI handle\n");
 741                 return -ENOENT;
 742         }
 743
 744         /* Get the method's handle */
 745         status = acpi_get_handle(root_handle, (acpi_string)ACPI_EWRD_METHOD,
 746                                  &handle);
 747         if (ACPI_FAILURE(status)) {
 748                 IWL_DEBUG_RADIO(mvm, "EWRD method not found\n");
 749                 return -ENOENT;
 750         }
 751
 752         /* Call EWRD with no arguments */
 753         status = acpi_evaluate_object(handle, NULL, NULL, &ewrd);
 754         if (ACPI_FAILURE(status)) {
 755                 IWL_DEBUG_RADIO(mvm, "EWRD invocation failed (0x%x)\n", status);
 756                 return -ENOENT;
 757         }
 758
 759         wifi_pkg = iwl_mvm_sar_find_wifi_pkg(mvm, ewrd.pointer,
 760                                              ACPI_EWRD_WIFI_DATA_SIZE);
 761         if (IS_ERR(wifi_pkg)) {
 762                 ret = PTR_ERR(wifi_pkg);
 763                 goto out_free;
 764         }
 765
 766         if ((wifi_pkg->package.elements[1].type != ACPI_TYPE_INTEGER) ||
 767             (wifi_pkg->package.elements[2].type != ACPI_TYPE_INTEGER)) {
 768                 ret = -EINVAL;
 769                 goto out_free;
 770         }
 771
 772         enabled = !!(wifi_pkg->package.elements[1].integer.value);
 773         n_profiles = wifi_pkg->package.elements[2].integer.value;
 774
 775         /* in case of BIOS bug */
 776         if (n_profiles <= 0) {
 777                 ret = -EINVAL;
 778                 goto out_free;
 779         }
 780
 781         for (i = 0; i < n_profiles; i++) {
 782                 /* the tables start at element 3 */
 783                 int pos = 3;
 784
 785                 /* The EWRD profiles officially go from 2 to 4, but we
 786                  * save them in sar_profiles[1-3] (because we don't
 787                  * have profile 0).  So in the array we start from 1.
 788                  */
 789                 ret = iwl_mvm_sar_set_profile(mvm,
 790                                               &wifi_pkg->package.elements[pos],
 791                                               &mvm->sar_profiles[i + 1],
 792                                               enabled);
 793                 if (ret < 0)
 794                         break;
 795
 796                 /* go to the next table */
 797                 pos += IWL_MVM_SAR_TABLE_SIZE;
 798         }
 799
 800 out_free:
 801         kfree(ewrd.pointer);
 802         return ret;
 803 }
 804
 805 static int iwl_mvm_sar_get_wgds_table(struct iwl_mvm *mvm)
 806 {
 807         union acpi_object *wifi_pkg;
 808         acpi_handle root_handle;
 809         acpi_handle handle;
 810         struct acpi_buffer wgds = {ACPI_ALLOCATE_BUFFER, NULL};
 811         acpi_status status;
 812         int i, j, ret;
 813         int idx = 1;
 814
 815         root_handle = ACPI_HANDLE(mvm->dev);
 816         if (!root_handle) {
 817                 IWL_DEBUG_RADIO(mvm,
 818                                 "Could not retrieve root port ACPI handle\n");
 819                 return -ENOENT;
 820         }
 821
 822         /* Get the method's handle */
 823         status = acpi_get_handle(root_handle, (acpi_string)ACPI_WGDS_METHOD,
 824                                  &handle);
 825         if (ACPI_FAILURE(status)) {
 826                 IWL_DEBUG_RADIO(mvm, "WGDS method not found\n");
 827                 return -ENOENT;
 828         }
 829
 830         /* Call WGDS with no arguments */
 831         status = acpi_evaluate_object(handle, NULL, NULL, &wgds);
 832         if (ACPI_FAILURE(status)) {
 833                 IWL_DEBUG_RADIO(mvm, "WGDS invocation failed (0x%x)\n", status);
 834                 return -ENOENT;
 835         }
 836
 837         wifi_pkg = iwl_mvm_sar_find_wifi_pkg(mvm, wgds.pointer,
 838                                              ACPI_WGDS_WIFI_DATA_SIZE);
 839         if (IS_ERR(wifi_pkg)) {
 840                 ret = PTR_ERR(wifi_pkg);
 841                 goto out_free;
 842         }
 843
 844         for (i = 0; i < IWL_NUM_GEO_PROFILES; i++) {
 845                 for (j = 0; j < IWL_MVM_GEO_TABLE_SIZE; j++) {
 846                         union acpi_object *entry;
 847
 848                         entry = &wifi_pkg->package.elements[idx++];
 849                         if ((entry->type != ACPI_TYPE_INTEGER) ||
 850                             (entry->integer.value > U8_MAX)) {
 851                                 ret = -EINVAL;
 852                                 goto out_free;
 853                         }
 854
 855                         mvm->geo_profiles[i].values[j] = entry->integer.value;
 856                 }
 857         }
 858         ret = 0;
 859 out_free:
 860         kfree(wgds.pointer);
 861         return ret;
 862 }
 863
 864 int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a, int prof_b)
 865 {
 866         struct iwl_dev_tx_power_cmd cmd = {
 867                 .v3.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_CHAINS),
 868         };
 869         int i, j, idx;
 870         int profs[IWL_NUM_CHAIN_LIMITS] = { prof_a, prof_b };
 871         int len = sizeof(cmd);
 872
 873         BUILD_BUG_ON(IWL_NUM_CHAIN_LIMITS < 2);
 874         BUILD_BUG_ON(IWL_NUM_CHAIN_LIMITS * IWL_NUM_SUB_BANDS !=
 875                      IWL_MVM_SAR_TABLE_SIZE);
 876
 877         if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TX_POWER_ACK))
 878                 len = sizeof(cmd.v3);
 879
 880         for (i = 0; i < IWL_NUM_CHAIN_LIMITS; i++) {
 881                 struct iwl_mvm_sar_profile *prof;
 882
 883                 /* don't allow SAR to be disabled (profile 0 means disable) */
 884                 if (profs[i] == 0)
 885                         return -EPERM;
 886
 887                 /* we are off by one, so allow up to IWL_MVM_SAR_PROFILE_NUM */
 888                 if (profs[i] > IWL_MVM_SAR_PROFILE_NUM)
 889                         return -EINVAL;
 890
 891                 /* profiles go from 1 to 4, so decrement to access the array */
 892                 prof = &mvm->sar_profiles[profs[i] - 1];
 893
 894                 /* if the profile is disabled, do nothing */
 895                 if (!prof->enabled) {
 896                         IWL_DEBUG_RADIO(mvm, "SAR profile %d is disabled.\n",
 897                                         profs[i]);
 898                         /* if one of the profiles is disabled, we fail all */
 899                         return -ENOENT;
 900                 }
 901
 902                 IWL_DEBUG_RADIO(mvm, "  Chain[%d]:\n", i);
 903                 for (j = 0; j < IWL_NUM_SUB_BANDS; j++) {
 904                         idx = (i * IWL_NUM_SUB_BANDS) + j;
 905                         cmd.v3.per_chain_restriction[i][j] =
 906                                 cpu_to_le16(prof->table[idx]);
 907                         IWL_DEBUG_RADIO(mvm, "    Band[%d] = %d * .125dBm\n",
 908                                         j, prof->table[idx]);
 909                 }
 910         }
 911
 912         IWL_DEBUG_RADIO(mvm, "Sending REDUCE_TX_POWER_CMD per chain\n");
 913
 914         return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0, len, &cmd);
 915 }
 916
 917 static bool iwl_mvm_sar_geo_support(struct iwl_mvm *mvm)
 918 {
 919         /*
 920          * The GEO_TX_POWER_LIMIT command is not supported on earlier
 921          * firmware versions.  Unfortunately, we don't have a TLV API
 922          * flag to rely on, so rely on the major version which is in
 923          * the first byte of ucode_ver.  This was implemented
 924          * initially on version 38 and then backported to 36, 29 and
 925          * 17.
 926          */
 927         return IWL_UCODE_SERIAL(mvm->fw->ucode_ver) >= 38 ||
 928                IWL_UCODE_SERIAL(mvm->fw->ucode_ver) == 36 ||
 929                IWL_UCODE_SERIAL(mvm->fw->ucode_ver) == 29 ||
 930                IWL_UCODE_SERIAL(mvm->fw->ucode_ver) == 17;
 931 }
 932
 933 int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm)
 934 {
 935         struct iwl_geo_tx_power_profiles_resp *resp;
 936         int ret;
 937
 938         struct iwl_geo_tx_power_profiles_cmd geo_cmd = {
 939                 .ops = cpu_to_le32(IWL_PER_CHAIN_OFFSET_GET_CURRENT_TABLE),
 940         };
 941         struct iwl_host_cmd cmd = {
 942                 .id =  WIDE_ID(PHY_OPS_GROUP, GEO_TX_POWER_LIMIT),
 943                 .len = { sizeof(geo_cmd), },
 944                 .flags = CMD_WANT_SKB,
 945                 .data = { &geo_cmd },
 946         };
 947
 948         if (!iwl_mvm_sar_geo_support(mvm))
 949                 return -EOPNOTSUPP;
 950
 951         ret = iwl_mvm_send_cmd(mvm, &cmd);
 952         if (ret) {
 953                 IWL_ERR(mvm, "Failed to get geographic profile info %d\n", ret);
 954                 return ret;
 955         }
 956
 957         resp = (void *)cmd.resp_pkt->data;
 958         ret = le32_to_cpu(resp->profile_idx);
 959         if (WARN_ON(ret > IWL_NUM_GEO_PROFILES)) {
 960                 ret = -EIO;
 961                 IWL_WARN(mvm, "Invalid geographic profile idx (%d)\n", ret);
 962         }
 963
 964         iwl_free_resp(&cmd);
 965         return ret;
 966 }
 967
 968 static int iwl_mvm_sar_geo_init(struct iwl_mvm *mvm)
 969 {
 970         struct iwl_geo_tx_power_profiles_cmd cmd = {
 971                 .ops = cpu_to_le32(IWL_PER_CHAIN_OFFSET_SET_TABLES),
 972         };
 973         int ret, i, j;
 974         u16 cmd_wide_id =  WIDE_ID(PHY_OPS_GROUP, GEO_TX_POWER_LIMIT);
 975
 976         if (!iwl_mvm_sar_geo_support(mvm))
 977                 return 0;
 978
 979         ret = iwl_mvm_sar_get_wgds_table(mvm);
 980         if (ret < 0) {
 981                 IWL_DEBUG_RADIO(mvm,
 982                                 "Geo SAR BIOS table invalid or unavailable. (%d)\n",
 983                                 ret);
 984                 /* we don't fail if the table is not available */
 985                 return 0;
 986         }
 987
 988         IWL_DEBUG_RADIO(mvm, "Sending GEO_TX_POWER_LIMIT\n");
 989
 990         BUILD_BUG_ON(IWL_NUM_GEO_PROFILES * ACPI_WGDS_NUM_BANDS *
 991                      ACPI_WGDS_TABLE_SIZE + 1 !=  ACPI_WGDS_WIFI_DATA_SIZE);
 992
 993         for (i = 0; i < IWL_NUM_GEO_PROFILES; i++) {
 994                 struct iwl_per_chain_offset *chain =
 995                         (struct iwl_per_chain_offset *)&cmd.table[i];
 996
 997                 for (j = 0; j < ACPI_WGDS_NUM_BANDS; j++) {
 998                         u8 *value;
 999
1000                         value = &mvm->geo_profiles[i].values[j *
1001                                 IWL_GEO_PER_CHAIN_SIZE];
1002                         chain[j].max_tx_power = cpu_to_le16(value[0]);
1003                         chain[j].chain_a = value[1];
1004                         chain[j].chain_b = value[2];
1005                         IWL_DEBUG_RADIO(mvm,
1006                                         "SAR geographic profile[%d] Band[%d]: chain A = %d chain B = %d max_tx_power = %d\n",
1007                                         i, j, value[1], value[2], value[0]);
1008                 }
1009         }
1010         return iwl_mvm_send_cmd_pdu(mvm, cmd_wide_id, 0, sizeof(cmd), &cmd);
1011 }
1012
1013 #else /* CONFIG_ACPI */
1014 static int iwl_mvm_sar_get_wrds_table(struct iwl_mvm *mvm)
1015 {
1016         return -ENOENT;
1017 }
1018
1019 static int iwl_mvm_sar_get_ewrd_table(struct iwl_mvm *mvm)
1020 {
1021         return -ENOENT;
1022 }
1023
1024 static int iwl_mvm_sar_get_wgds_table(struct iwl_mvm *mvm)
1025 {
1026         return -ENOENT;
1027 }
1028
1029 static int iwl_mvm_sar_geo_init(struct iwl_mvm *mvm)
1030 {
1031         return 0;
1032 }
1033
1034 int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a,
1035                                int prof_b)
1036 {
1037         return -ENOENT;
1038 }
1039
1040 int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm)
1041 {
1042         return -ENOENT;
1043 }
1044 #endif /* CONFIG_ACPI */
1045
1046 static int iwl_mvm_sar_init(struct iwl_mvm *mvm)
1047 {
1048         int ret;
1049
1050         ret = iwl_mvm_sar_get_wrds_table(mvm);
1051         if (ret < 0) {
1052                 IWL_DEBUG_RADIO(mvm,
1053                                 "WRDS SAR BIOS table invalid or unavailable. (%d)\n",
1054                                 ret);
1055                 /*
1056                  * If not available, don't fail and don't bother with EWRD.
1057                  * Return 1 to tell that we can't use WGDS either.
1058                  */
1059                 return 1;
1060         }
1061
1062         ret = iwl_mvm_sar_get_ewrd_table(mvm);
1063         /* if EWRD is not available, we can still use WRDS, so don't fail */
1064         if (ret < 0)
1065                 IWL_DEBUG_RADIO(mvm,
1066                                 "EWRD SAR BIOS table invalid or unavailable. (%d)\n",
1067                                 ret);
1068
1069         /* choose profile 1 (WRDS) as default for both chains */
1070         ret = iwl_mvm_sar_select_profile(mvm, 1, 1);
1071
1072         /*
1073          * If we don't have profile 0 from BIOS, just skip it.  This
1074          * means that SAR Geo will not be enabled either, even if we
1075          * have other valid profiles.
1076          */
1077         if (ret == -ENOENT)
1078                 return 1;
1079
1080         return ret;
1081 }
1082
1083 static int iwl_mvm_load_rt_fw(struct iwl_mvm *mvm)
1084 {
1085         int ret;
1086
1087         if (iwl_mvm_has_unified_ucode(mvm))
1088                 return iwl_run_unified_mvm_ucode(mvm, false);
1089
1090         ret = iwl_run_init_mvm_ucode(mvm, false);
1091
1092         if (iwlmvm_mod_params.init_dbg)
1093                 return 0;
1094
1095         if (ret) {
1096                 IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", ret);
1097                 return ret;
1098         }
1099
1100         /*
1101          * Stop and start the transport without entering low power
1102          * mode. This will save the state of other components on the
1103          * device that are triggered by the INIT firwmare (MFUART).
1104          */
1105         _iwl_trans_stop_device(mvm->trans, false);
1106         ret = _iwl_trans_start_hw(mvm->trans, false);
1107         if (ret)
1108                 return ret;
1109
1110         ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_REGULAR);
1111         if (ret)
1112                 return ret;
1113
1114         return iwl_init_paging(&mvm->fwrt, mvm->fwrt.cur_fw_img);
1115 }
1116
1117 int iwl_mvm_up(struct iwl_mvm *mvm)
1118 {
1119         int ret, i;
1120         struct ieee80211_channel *chan;
1121         struct cfg80211_chan_def chandef;
1122
1123         lockdep_assert_held(&mvm->mutex);
1124
1125         ret = iwl_trans_start_hw(mvm->trans);
1126         if (ret)
1127                 return ret;
1128
1129         ret = iwl_mvm_load_rt_fw(mvm);
1130         if (ret) {
1131                 IWL_ERR(mvm, "Failed to start RT ucode: %d\n", ret);
1132                 goto error;
1133         }
1134
1135         iwl_get_shared_mem_conf(&mvm->fwrt);
1136
1137         ret = iwl_mvm_sf_update(mvm, NULL, false);
1138         if (ret)
1139                 IWL_ERR(mvm, "Failed to initialize Smart Fifo\n");
1140
1141         mvm->fwrt.dump.conf = FW_DBG_INVALID;
1142         /* if we have a destination, assume EARLY START */
1143         if (mvm->fw->dbg_dest_tlv)
1144                 mvm->fwrt.dump.conf = FW_DBG_START_FROM_ALIVE;
1145         iwl_fw_start_dbg_conf(&mvm->fwrt, FW_DBG_START_FROM_ALIVE);
1146
1147         ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm));
1148         if (ret)
1149                 goto error;
1150
1151         if (!iwl_mvm_has_unified_ucode(mvm)) {
1152                 /* Send phy db control command and then phy db calibration */
1153                 ret = iwl_send_phy_db_data(mvm->phy_db);
1154                 if (ret)
1155                         goto error;
1156
1157                 ret = iwl_send_phy_cfg_cmd(mvm);
1158                 if (ret)
1159                         goto error;
1160         }
1161
1162         ret = iwl_mvm_send_bt_init_conf(mvm);
1163         if (ret)
1164                 goto error;
1165
1166         /* Init RSS configuration */
1167         /* TODO - remove a000 disablement when we have RXQ config API */
1168         if (iwl_mvm_has_new_rx_api(mvm) &&
1169             mvm->trans->cfg->device_family != IWL_DEVICE_FAMILY_A000) {
1170                 ret = iwl_send_rss_cfg_cmd(mvm);
1171                 if (ret) {
1172                         IWL_ERR(mvm, "Failed to configure RSS queues: %d\n",
1173                                 ret);
1174                         goto error;
1175                 }
1176         }
1177
1178         /* init the fw <-> mac80211 STA mapping */
1179         for (i = 0; i < ARRAY_SIZE(mvm->fw_id_to_mac_id); i++)
1180                 RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL);
1181
1182         mvm->tdls_cs.peer.sta_id = IWL_MVM_INVALID_STA;
1183
1184         /* reset quota debouncing buffer - 0xff will yield invalid data */
1185         memset(&mvm->last_quota_cmd, 0xff, sizeof(mvm->last_quota_cmd));
1186
1187         ret = iwl_mvm_send_dqa_cmd(mvm);
1188         if (ret)
1189                 goto error;
1190
1191         /* Add auxiliary station for scanning */
1192         ret = iwl_mvm_add_aux_sta(mvm);
1193         if (ret)
1194                 goto error;
1195
1196         /* Add all the PHY contexts */
1197         chan = &mvm->hw->wiphy->bands[NL80211_BAND_2GHZ]->channels[0];
1198         cfg80211_chandef_create(&chandef, chan, NL80211_CHAN_NO_HT);
1199         for (i = 0; i < NUM_PHY_CTX; i++) {
1200                 /*
1201                  * The channel used here isn't relevant as it's
1202                  * going to be overwritten in the other flows.
1203                  * For now use the first channel we have.
1204                  */
1205                 ret = iwl_mvm_phy_ctxt_add(mvm, &mvm->phy_ctxts[i],
1206                                            &chandef, 1, 1);
1207                 if (ret)
1208                         goto error;
1209         }
1210
1211 #ifdef CONFIG_THERMAL
1212         if (iwl_mvm_is_tt_in_fw(mvm)) {
1213                 /* in order to give the responsibility of ct-kill and
1214                  * TX backoff to FW we need to send empty temperature reporting
1215                  * cmd during init time
1216                  */
1217                 iwl_mvm_send_temp_report_ths_cmd(mvm);
1218         } else {
1219                 /* Initialize tx backoffs to the minimal possible */
1220                 iwl_mvm_tt_tx_backoff(mvm, 0);
1221         }
1222
1223         /* TODO: read the budget from BIOS / Platform NVM */
1224
1225         /*
1226          * In case there is no budget from BIOS / Platform NVM the default
1227          * budget should be 2000mW (cooling state 0).
1228          */
1229         if (iwl_mvm_is_ctdp_supported(mvm)) {
1230                 ret = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_START,
1231                                            mvm->cooling_dev.cur_state);
1232                 if (ret)
1233                         goto error;
1234         }
1235 #else
1236         /* Initialize tx backoffs to the minimal possible */
1237         iwl_mvm_tt_tx_backoff(mvm, 0);
1238 #endif
1239
1240         WARN_ON(iwl_mvm_config_ltr(mvm));
1241
1242         ret = iwl_mvm_power_update_device(mvm);
1243         if (ret)
1244                 goto error;
1245
1246         /*
1247          * RTNL is not taken during Ct-kill, but we don't need to scan/Tx
1248          * anyway, so don't init MCC.
1249          */
1250         if (!test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status)) {
1251                 ret = iwl_mvm_init_mcc(mvm);
1252                 if (ret)
1253                         goto error;
1254         }
1255
1256         if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) {
1257                 mvm->scan_type = IWL_SCAN_TYPE_NOT_SET;
1258                 ret = iwl_mvm_config_scan(mvm);
1259                 if (ret)
1260                         goto error;
1261         }
1262
1263         /* allow FW/transport low power modes if not during restart */
1264         if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
1265                 iwl_mvm_unref(mvm, IWL_MVM_REF_UCODE_DOWN);
1266
1267         ret = iwl_mvm_sar_init(mvm);
1268         if (ret == 0) {
1269                 ret = iwl_mvm_sar_geo_init(mvm);
1270         } else if (ret > 0 && !iwl_mvm_sar_get_wgds_table(mvm)) {
1271                 /*
1272                  * If basic SAR is not available, we check for WGDS,
1273                  * which should *not* be available either.  If it is
1274                  * available, issue an error, because we can't use SAR
1275                  * Geo without basic SAR.
1276                  */
1277                 IWL_ERR(mvm, "BIOS contains WGDS but no WRDS\n");
1278         }
1279
1280         if (ret < 0)
1281                 goto error;
1282
1283         iwl_mvm_leds_sync(mvm);
1284
1285         IWL_DEBUG_INFO(mvm, "RT uCode started.\n");
1286         return 0;
1287  error:
1288         if (!iwlmvm_mod_params.init_dbg)
1289                 iwl_mvm_stop_device(mvm);
1290         return ret;
1291 }
1292
1293 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm)
1294 {
1295         int ret, i;
1296
1297         lockdep_assert_held(&mvm->mutex);
1298
1299         ret = iwl_trans_start_hw(mvm->trans);
1300         if (ret)
1301                 return ret;
1302
1303         ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_WOWLAN);
1304         if (ret) {
1305                 IWL_ERR(mvm, "Failed to start WoWLAN firmware: %d\n", ret);
1306                 goto error;
1307         }
1308
1309         ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm));
1310         if (ret)
1311                 goto error;
1312
1313         /* Send phy db control command and then phy db calibration*/
1314         ret = iwl_send_phy_db_data(mvm->phy_db);
1315         if (ret)
1316                 goto error;
1317
1318         ret = iwl_send_phy_cfg_cmd(mvm);
1319         if (ret)
1320                 goto error;
1321
1322         /* init the fw <-> mac80211 STA mapping */
1323         for (i = 0; i < ARRAY_SIZE(mvm->fw_id_to_mac_id); i++)
1324                 RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL);
1325
1326         /* Add auxiliary station for scanning */
1327         ret = iwl_mvm_add_aux_sta(mvm);
1328         if (ret)
1329                 goto error;
1330
1331         return 0;
1332  error:
1333         iwl_mvm_stop_device(mvm);
1334         return ret;
1335 }
1336
1337 void iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
1338                                  struct iwl_rx_cmd_buffer *rxb)
1339 {
1340         struct iwl_rx_packet *pkt = rxb_addr(rxb);
1341         struct iwl_card_state_notif *card_state_notif = (void *)pkt->data;
1342         u32 flags = le32_to_cpu(card_state_notif->flags);
1343
1344         IWL_DEBUG_RF_KILL(mvm, "Card state received: HW:%s SW:%s CT:%s\n",
1345                           (flags & HW_CARD_DISABLED) ? "Kill" : "On",
1346                           (flags & SW_CARD_DISABLED) ? "Kill" : "On",
1347                           (flags & CT_KILL_CARD_DISABLED) ?
1348                           "Reached" : "Not reached");
1349 }
1350
1351 void iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm,
1352                              struct iwl_rx_cmd_buffer *rxb)
1353 {
1354         struct iwl_rx_packet *pkt = rxb_addr(rxb);
1355         struct iwl_mfuart_load_notif *mfuart_notif = (void *)pkt->data;
1356
1357         IWL_DEBUG_INFO(mvm,
1358                        "MFUART: installed ver: 0x%08x, external ver: 0x%08x, status: 0x%08x, duration: 0x%08x\n",
1359                        le32_to_cpu(mfuart_notif->installed_ver),
1360                        le32_to_cpu(mfuart_notif->external_ver),
1361                        le32_to_cpu(mfuart_notif->status),
1362                        le32_to_cpu(mfuart_notif->duration));
1363
1364         if (iwl_rx_packet_payload_len(pkt) == sizeof(*mfuart_notif))
1365                 IWL_DEBUG_INFO(mvm,
1366                                "MFUART: image size: 0x%08x\n",
1367                                le32_to_cpu(mfuart_notif->image_size));
1368 }