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) 2013 - 2015 Intel Mobile Communications GmbH
   9  * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
  10  * Copyright(c) 2012 - 2014, 2018 - 2020 Intel Corporation
  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  * The full GNU General Public License is included in this distribution
  22  * in the file called COPYING.
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  24  * Contact Information:
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  27  *
  28  * BSD LICENSE
  29  *
  30  * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
  31  * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
  32  * Copyright(c) 2012 - 2014, 2018 - 2020 Intel Corporation
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  40  *    notice, this list of conditions and the following disclaimer.
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  42  *    notice, this list of conditions and the following disclaimer in
  43  *    the documentation and/or other materials provided with the
  44  *    distribution.
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  46  *    contributors may be used to endorse or promote products derived
  47  *    from this software without specific prior written permission.
  48  *
  49  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  50  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  51  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  52  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  53  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  54  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  55  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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  57  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  58  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  59  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  60  *
  61  *****************************************************************************/
  62 #include <net/mac80211.h>
  63 #include <linux/netdevice.h>
  64
  65 #include "iwl-trans.h"
  66 #include "iwl-op-mode.h"
  67 #include "fw/img.h"
  68 #include "iwl-debug.h"
  69 #include "iwl-csr.h" /* for iwl_mvm_rx_card_state_notif */
  70 #include "iwl-io.h" /* for iwl_mvm_rx_card_state_notif */
  71 #include "iwl-prph.h"
  72 #include "fw/acpi.h"
  73
  74 #include "mvm.h"
  75 #include "fw/dbg.h"
  76 #include "iwl-phy-db.h"
  77 #include "iwl-modparams.h"
  78 #include "iwl-nvm-parse.h"
  79
  80 #define MVM_UCODE_ALIVE_TIMEOUT HZ
  81 #define MVM_UCODE_CALIB_TIMEOUT (2*HZ)
  82
  83 #define UCODE_VALID_OK  cpu_to_le32(0x1)
  84
  85 struct iwl_mvm_alive_data {
  86         bool valid;
  87         u32 scd_base_addr;
  88 };
  89
  90 /* set device type and latency */
  91 static int iwl_set_soc_latency(struct iwl_mvm *mvm)
  92 {
  93         struct iwl_soc_configuration_cmd cmd = {};
  94         int ret;
  95
  96         /*
  97          * In VER_1 of this command, the discrete value is considered
  98          * an integer; In VER_2, it's a bitmask.  Since we have only 2
  99          * values in VER_1, this is backwards-compatible with VER_2,
 100          * as long as we don't set any other bits.
 101          */
 102         if (!mvm->trans->trans_cfg->integrated)
 103                 cmd.flags = cpu_to_le32(SOC_CONFIG_CMD_FLAGS_DISCRETE);
 104
 105         if (iwl_mvm_lookup_cmd_ver(mvm->fw, IWL_ALWAYS_LONG_GROUP,
 106                                    SCAN_REQ_UMAC) >= 2 &&
 107             (mvm->trans->trans_cfg->low_latency_xtal))
 108                 cmd.flags |= cpu_to_le32(SOC_CONFIG_CMD_FLAGS_LOW_LATENCY);
 109
 110         cmd.latency = cpu_to_le32(mvm->trans->trans_cfg->xtal_latency);
 111
 112         ret = iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(SOC_CONFIGURATION_CMD,
 113                                                    SYSTEM_GROUP, 0), 0,
 114                                    sizeof(cmd), &cmd);
 115         if (ret)
 116                 IWL_ERR(mvm, "Failed to set soc latency: %d\n", ret);
 117         return ret;
 118 }
 119
 120 static int iwl_send_tx_ant_cfg(struct iwl_mvm *mvm, u8 valid_tx_ant)
 121 {
 122         struct iwl_tx_ant_cfg_cmd tx_ant_cmd = {
 123                 .valid = cpu_to_le32(valid_tx_ant),
 124         };
 125
 126         IWL_DEBUG_FW(mvm, "select valid tx ant: %u\n", valid_tx_ant);
 127         return iwl_mvm_send_cmd_pdu(mvm, TX_ANT_CONFIGURATION_CMD, 0,
 128                                     sizeof(tx_ant_cmd), &tx_ant_cmd);
 129 }
 130
 131 static int iwl_send_rss_cfg_cmd(struct iwl_mvm *mvm)
 132 {
 133         int i;
 134         struct iwl_rss_config_cmd cmd = {
 135                 .flags = cpu_to_le32(IWL_RSS_ENABLE),
 136                 .hash_mask = BIT(IWL_RSS_HASH_TYPE_IPV4_TCP) |
 137                              BIT(IWL_RSS_HASH_TYPE_IPV4_UDP) |
 138                              BIT(IWL_RSS_HASH_TYPE_IPV4_PAYLOAD) |
 139                              BIT(IWL_RSS_HASH_TYPE_IPV6_TCP) |
 140                              BIT(IWL_RSS_HASH_TYPE_IPV6_UDP) |
 141                              BIT(IWL_RSS_HASH_TYPE_IPV6_PAYLOAD),
 142         };
 143
 144         if (mvm->trans->num_rx_queues == 1)
 145                 return 0;
 146
 147         /* Do not direct RSS traffic to Q 0 which is our fallback queue */
 148         for (i = 0; i < ARRAY_SIZE(cmd.indirection_table); i++)
 149                 cmd.indirection_table[i] =
 150                         1 + (i % (mvm->trans->num_rx_queues - 1));
 151         netdev_rss_key_fill(cmd.secret_key, sizeof(cmd.secret_key));
 152
 153         return iwl_mvm_send_cmd_pdu(mvm, RSS_CONFIG_CMD, 0, sizeof(cmd), &cmd);
 154 }
 155
 156 static int iwl_configure_rxq(struct iwl_mvm *mvm)
 157 {
 158         int i, num_queues, size, ret;
 159         struct iwl_rfh_queue_config *cmd;
 160         struct iwl_host_cmd hcmd = {
 161                 .id = WIDE_ID(DATA_PATH_GROUP, RFH_QUEUE_CONFIG_CMD),
 162                 .dataflags[0] = IWL_HCMD_DFL_NOCOPY,
 163         };
 164
 165         /* Do not configure default queue, it is configured via context info */
 166         num_queues = mvm->trans->num_rx_queues - 1;
 167
 168         size = struct_size(cmd, data, num_queues);
 169
 170         cmd = kzalloc(size, GFP_KERNEL);
 171         if (!cmd)
 172                 return -ENOMEM;
 173
 174         cmd->num_queues = num_queues;
 175
 176         for (i = 0; i < num_queues; i++) {
 177                 struct iwl_trans_rxq_dma_data data;
 178
 179                 cmd->data[i].q_num = i + 1;
 180                 iwl_trans_get_rxq_dma_data(mvm->trans, i + 1, &data);
 181
 182                 cmd->data[i].fr_bd_cb = cpu_to_le64(data.fr_bd_cb);
 183                 cmd->data[i].urbd_stts_wrptr =
 184                         cpu_to_le64(data.urbd_stts_wrptr);
 185                 cmd->data[i].ur_bd_cb = cpu_to_le64(data.ur_bd_cb);
 186                 cmd->data[i].fr_bd_wid = cpu_to_le32(data.fr_bd_wid);
 187         }
 188
 189         hcmd.data[0] = cmd;
 190         hcmd.len[0] = size;
 191
 192         ret = iwl_mvm_send_cmd(mvm, &hcmd);
 193
 194         kfree(cmd);
 195
 196         return ret;
 197 }
 198
 199 static int iwl_mvm_send_dqa_cmd(struct iwl_mvm *mvm)
 200 {
 201         struct iwl_dqa_enable_cmd dqa_cmd = {
 202                 .cmd_queue = cpu_to_le32(IWL_MVM_DQA_CMD_QUEUE),
 203         };
 204         u32 cmd_id = iwl_cmd_id(DQA_ENABLE_CMD, DATA_PATH_GROUP, 0);
 205         int ret;
 206
 207         ret = iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, sizeof(dqa_cmd), &dqa_cmd);
 208         if (ret)
 209                 IWL_ERR(mvm, "Failed to send DQA enabling command: %d\n", ret);
 210         else
 211                 IWL_DEBUG_FW(mvm, "Working in DQA mode\n");
 212
 213         return ret;
 214 }
 215
 216 void iwl_mvm_mfu_assert_dump_notif(struct iwl_mvm *mvm,
 217                                    struct iwl_rx_cmd_buffer *rxb)
 218 {
 219         struct iwl_rx_packet *pkt = rxb_addr(rxb);
 220         struct iwl_mfu_assert_dump_notif *mfu_dump_notif = (void *)pkt->data;
 221         __le32 *dump_data = mfu_dump_notif->data;
 222         int n_words = le32_to_cpu(mfu_dump_notif->data_size) / sizeof(__le32);
 223         int i;
 224
 225         if (mfu_dump_notif->index_num == 0)
 226                 IWL_INFO(mvm, "MFUART assert id 0x%x occurred\n",
 227                          le32_to_cpu(mfu_dump_notif->assert_id));
 228
 229         for (i = 0; i < n_words; i++)
 230                 IWL_DEBUG_INFO(mvm,
 231                                "MFUART assert dump, dword %u: 0x%08x\n",
 232                                le16_to_cpu(mfu_dump_notif->index_num) *
 233                                n_words + i,
 234                                le32_to_cpu(dump_data[i]));
 235 }
 236
 237 static bool iwl_alive_fn(struct iwl_notif_wait_data *notif_wait,
 238                          struct iwl_rx_packet *pkt, void *data)
 239 {
 240         struct iwl_mvm *mvm =
 241                 container_of(notif_wait, struct iwl_mvm, notif_wait);
 242         struct iwl_mvm_alive_data *alive_data = data;
 243         struct mvm_alive_resp_v3 *palive3;
 244         struct mvm_alive_resp *palive;
 245         struct iwl_umac_alive *umac;
 246         struct iwl_lmac_alive *lmac1;
 247         struct iwl_lmac_alive *lmac2 = NULL;
 248         u16 status;
 249         u32 lmac_error_event_table, umac_error_event_table;
 250
 251         if (iwl_rx_packet_payload_len(pkt) == sizeof(*palive)) {
 252                 palive = (void *)pkt->data;
 253                 umac = &palive->umac_data;
 254                 lmac1 = &palive->lmac_data[0];
 255                 lmac2 = &palive->lmac_data[1];
 256                 status = le16_to_cpu(palive->status);
 257         } else {
 258                 palive3 = (void *)pkt->data;
 259                 umac = &palive3->umac_data;
 260                 lmac1 = &palive3->lmac_data;
 261                 status = le16_to_cpu(palive3->status);
 262         }
 263
 264         lmac_error_event_table =
 265                 le32_to_cpu(lmac1->dbg_ptrs.error_event_table_ptr);
 266         iwl_fw_lmac1_set_alive_err_table(mvm->trans, lmac_error_event_table);
 267
 268         if (lmac2)
 269                 mvm->trans->dbg.lmac_error_event_table[1] =
 270                         le32_to_cpu(lmac2->dbg_ptrs.error_event_table_ptr);
 271
 272         umac_error_event_table = le32_to_cpu(umac->dbg_ptrs.error_info_addr);
 273
 274         if (!umac_error_event_table) {
 275                 mvm->support_umac_log = false;
 276         } else if (umac_error_event_table >=
 277                    mvm->trans->cfg->min_umac_error_event_table) {
 278                 mvm->support_umac_log = true;
 279         } else {
 280                 IWL_ERR(mvm,
 281                         "Not valid error log pointer 0x%08X for %s uCode\n",
 282                         umac_error_event_table,
 283                         (mvm->fwrt.cur_fw_img == IWL_UCODE_INIT) ?
 284                         "Init" : "RT");
 285                 mvm->support_umac_log = false;
 286         }
 287
 288         if (mvm->support_umac_log)
 289                 iwl_fw_umac_set_alive_err_table(mvm->trans,
 290                                                 umac_error_event_table);
 291
 292         alive_data->scd_base_addr = le32_to_cpu(lmac1->dbg_ptrs.scd_base_ptr);
 293         alive_data->valid = status == IWL_ALIVE_STATUS_OK;
 294
 295         IWL_DEBUG_FW(mvm,
 296                      "Alive ucode status 0x%04x revision 0x%01X 0x%01X\n",
 297                      status, lmac1->ver_type, lmac1->ver_subtype);
 298
 299         if (lmac2)
 300                 IWL_DEBUG_FW(mvm, "Alive ucode CDB\n");
 301
 302         IWL_DEBUG_FW(mvm,
 303                      "UMAC version: Major - 0x%x, Minor - 0x%x\n",
 304                      le32_to_cpu(umac->umac_major),
 305                      le32_to_cpu(umac->umac_minor));
 306
 307         iwl_fwrt_update_fw_versions(&mvm->fwrt, lmac1, umac);
 308
 309         return true;
 310 }
 311
 312 static bool iwl_wait_init_complete(struct iwl_notif_wait_data *notif_wait,
 313                                    struct iwl_rx_packet *pkt, void *data)
 314 {
 315         WARN_ON(pkt->hdr.cmd != INIT_COMPLETE_NOTIF);
 316
 317         return true;
 318 }
 319
 320 static bool iwl_wait_phy_db_entry(struct iwl_notif_wait_data *notif_wait,
 321                                   struct iwl_rx_packet *pkt, void *data)
 322 {
 323         struct iwl_phy_db *phy_db = data;
 324
 325         if (pkt->hdr.cmd != CALIB_RES_NOTIF_PHY_DB) {
 326                 WARN_ON(pkt->hdr.cmd != INIT_COMPLETE_NOTIF);
 327                 return true;
 328         }
 329
 330         WARN_ON(iwl_phy_db_set_section(phy_db, pkt));
 331
 332         return false;
 333 }
 334
 335 static int iwl_mvm_load_ucode_wait_alive(struct iwl_mvm *mvm,
 336                                          enum iwl_ucode_type ucode_type)
 337 {
 338         struct iwl_notification_wait alive_wait;
 339         struct iwl_mvm_alive_data alive_data = {};
 340         const struct fw_img *fw;
 341         int ret;
 342         enum iwl_ucode_type old_type = mvm->fwrt.cur_fw_img;
 343         static const u16 alive_cmd[] = { MVM_ALIVE };
 344         bool run_in_rfkill =
 345                 ucode_type == IWL_UCODE_INIT || iwl_mvm_has_unified_ucode(mvm);
 346
 347         if (ucode_type == IWL_UCODE_REGULAR &&
 348             iwl_fw_dbg_conf_usniffer(mvm->fw, FW_DBG_START_FROM_ALIVE) &&
 349             !(fw_has_capa(&mvm->fw->ucode_capa,
 350                           IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED)))
 351                 fw = iwl_get_ucode_image(mvm->fw, IWL_UCODE_REGULAR_USNIFFER);
 352         else
 353                 fw = iwl_get_ucode_image(mvm->fw, ucode_type);
 354         if (WARN_ON(!fw))
 355                 return -EINVAL;
 356         iwl_fw_set_current_image(&mvm->fwrt, ucode_type);
 357         clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status);
 358
 359         iwl_init_notification_wait(&mvm->notif_wait, &alive_wait,
 360                                    alive_cmd, ARRAY_SIZE(alive_cmd),
 361                                    iwl_alive_fn, &alive_data);
 362
 363         /*
 364          * We want to load the INIT firmware even in RFKILL
 365          * For the unified firmware case, the ucode_type is not
 366          * INIT, but we still need to run it.
 367          */
 368         ret = iwl_trans_start_fw(mvm->trans, fw, run_in_rfkill);
 369         if (ret) {
 370                 iwl_fw_set_current_image(&mvm->fwrt, old_type);
 371                 iwl_remove_notification(&mvm->notif_wait, &alive_wait);
 372                 return ret;
 373         }
 374
 375         /*
 376          * Some things may run in the background now, but we
 377          * just wait for the ALIVE notification here.
 378          */
 379         ret = iwl_wait_notification(&mvm->notif_wait, &alive_wait,
 380                                     MVM_UCODE_ALIVE_TIMEOUT);
 381         if (ret) {
 382                 struct iwl_trans *trans = mvm->trans;
 383
 384                 if (trans->trans_cfg->device_family >=
 385                                         IWL_DEVICE_FAMILY_22000) {
 386                         IWL_ERR(mvm,
 387                                 "SecBoot CPU1 Status: 0x%x, CPU2 Status: 0x%x\n",
 388                                 iwl_read_umac_prph(trans, UMAG_SB_CPU_1_STATUS),
 389                                 iwl_read_umac_prph(trans,
 390                                                    UMAG_SB_CPU_2_STATUS));
 391                         IWL_ERR(mvm, "UMAC PC: 0x%x\n",
 392                                 iwl_read_umac_prph(trans,
 393                                                    UREG_UMAC_CURRENT_PC));
 394                         IWL_ERR(mvm, "LMAC PC: 0x%x\n",
 395                                 iwl_read_umac_prph(trans,
 396                                                    UREG_LMAC1_CURRENT_PC));
 397                         if (iwl_mvm_is_cdb_supported(mvm))
 398                                 IWL_ERR(mvm, "LMAC2 PC: 0x%x\n",
 399                                         iwl_read_umac_prph(trans,
 400                                                 UREG_LMAC2_CURRENT_PC));
 401                 } else if (trans->trans_cfg->device_family >=
 402                            IWL_DEVICE_FAMILY_8000) {
 403                         IWL_ERR(mvm,
 404                                 "SecBoot CPU1 Status: 0x%x, CPU2 Status: 0x%x\n",
 405                                 iwl_read_prph(trans, SB_CPU_1_STATUS),
 406                                 iwl_read_prph(trans, SB_CPU_2_STATUS));
 407                 }
 408
 409                 if (ret == -ETIMEDOUT)
 410                         iwl_fw_dbg_error_collect(&mvm->fwrt,
 411                                                  FW_DBG_TRIGGER_ALIVE_TIMEOUT);
 412
 413                 iwl_fw_set_current_image(&mvm->fwrt, old_type);
 414                 return ret;
 415         }
 416
 417         if (!alive_data.valid) {
 418                 IWL_ERR(mvm, "Loaded ucode is not valid!\n");
 419                 iwl_fw_set_current_image(&mvm->fwrt, old_type);
 420                 return -EIO;
 421         }
 422
 423         iwl_trans_fw_alive(mvm->trans, alive_data.scd_base_addr);
 424
 425         /*
 426          * Note: all the queues are enabled as part of the interface
 427          * initialization, but in firmware restart scenarios they
 428          * could be stopped, so wake them up. In firmware restart,
 429          * mac80211 will have the queues stopped as well until the
 430          * reconfiguration completes. During normal startup, they
 431          * will be empty.
 432          */
 433
 434         memset(&mvm->queue_info, 0, sizeof(mvm->queue_info));
 435         /*
 436          * Set a 'fake' TID for the command queue, since we use the
 437          * hweight() of the tid_bitmap as a refcount now. Not that
 438          * we ever even consider the command queue as one we might
 439          * want to reuse, but be safe nevertheless.
 440          */
 441         mvm->queue_info[IWL_MVM_DQA_CMD_QUEUE].tid_bitmap =
 442                 BIT(IWL_MAX_TID_COUNT + 2);
 443
 444         set_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status);
 445 #ifdef CONFIG_IWLWIFI_DEBUGFS
 446         iwl_fw_set_dbg_rec_on(&mvm->fwrt);
 447 #endif
 448
 449         return 0;
 450 }
 451
 452 static int iwl_run_unified_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm)
 453 {
 454         struct iwl_notification_wait init_wait;
 455         struct iwl_nvm_access_complete_cmd nvm_complete = {};
 456         struct iwl_init_extended_cfg_cmd init_cfg = {
 457                 .init_flags = cpu_to_le32(BIT(IWL_INIT_NVM)),
 458         };
 459         static const u16 init_complete[] = {
 460                 INIT_COMPLETE_NOTIF,
 461         };
 462         int ret;
 463
 464         if (mvm->trans->cfg->tx_with_siso_diversity)
 465                 init_cfg.init_flags |= cpu_to_le32(BIT(IWL_INIT_PHY));
 466
 467         lockdep_assert_held(&mvm->mutex);
 468
 469         mvm->rfkill_safe_init_done = false;
 470
 471         iwl_init_notification_wait(&mvm->notif_wait,
 472                                    &init_wait,
 473                                    init_complete,
 474                                    ARRAY_SIZE(init_complete),
 475                                    iwl_wait_init_complete,
 476                                    NULL);
 477
 478         iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_EARLY, NULL);
 479
 480         /* Will also start the device */
 481         ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_REGULAR);
 482         if (ret) {
 483                 IWL_ERR(mvm, "Failed to start RT ucode: %d\n", ret);
 484                 goto error;
 485         }
 486         iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_AFTER_ALIVE,
 487                                NULL);
 488
 489         /* Send init config command to mark that we are sending NVM access
 490          * commands
 491          */
 492         ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(SYSTEM_GROUP,
 493                                                 INIT_EXTENDED_CFG_CMD),
 494                                    CMD_SEND_IN_RFKILL,
 495                                    sizeof(init_cfg), &init_cfg);
 496         if (ret) {
 497                 IWL_ERR(mvm, "Failed to run init config command: %d\n",
 498                         ret);
 499                 goto error;
 500         }
 501
 502         /* Load NVM to NIC if needed */
 503         if (mvm->nvm_file_name) {
 504                 iwl_read_external_nvm(mvm->trans, mvm->nvm_file_name,
 505                                       mvm->nvm_sections);
 506                 iwl_mvm_load_nvm_to_nic(mvm);
 507         }
 508
 509         if (IWL_MVM_PARSE_NVM && read_nvm) {
 510                 ret = iwl_nvm_init(mvm);
 511                 if (ret) {
 512                         IWL_ERR(mvm, "Failed to read NVM: %d\n", ret);
 513                         goto error;
 514                 }
 515         }
 516
 517         ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(REGULATORY_AND_NVM_GROUP,
 518                                                 NVM_ACCESS_COMPLETE),
 519                                    CMD_SEND_IN_RFKILL,
 520                                    sizeof(nvm_complete), &nvm_complete);
 521         if (ret) {
 522                 IWL_ERR(mvm, "Failed to run complete NVM access: %d\n",
 523                         ret);
 524                 goto error;
 525         }
 526
 527         /* We wait for the INIT complete notification */
 528         ret = iwl_wait_notification(&mvm->notif_wait, &init_wait,
 529                                     MVM_UCODE_ALIVE_TIMEOUT);
 530         if (ret)
 531                 return ret;
 532
 533         /* Read the NVM only at driver load time, no need to do this twice */
 534         if (!IWL_MVM_PARSE_NVM && read_nvm) {
 535                 mvm->nvm_data = iwl_get_nvm(mvm->trans, mvm->fw);
 536                 if (IS_ERR(mvm->nvm_data)) {
 537                         ret = PTR_ERR(mvm->nvm_data);
 538                         mvm->nvm_data = NULL;
 539                         IWL_ERR(mvm, "Failed to read NVM: %d\n", ret);
 540                         return ret;
 541                 }
 542         }
 543
 544         mvm->rfkill_safe_init_done = true;
 545
 546         return 0;
 547
 548 error:
 549         iwl_remove_notification(&mvm->notif_wait, &init_wait);
 550         return ret;
 551 }
 552
 553 static int iwl_send_phy_cfg_cmd(struct iwl_mvm *mvm)
 554 {
 555         struct iwl_phy_cfg_cmd phy_cfg_cmd;
 556         enum iwl_ucode_type ucode_type = mvm->fwrt.cur_fw_img;
 557
 558         if (iwl_mvm_has_unified_ucode(mvm) &&
 559             !mvm->trans->cfg->tx_with_siso_diversity)
 560                 return 0;
 561
 562         if (mvm->trans->cfg->tx_with_siso_diversity) {
 563                 /*
 564                  * TODO: currently we don't set the antenna but letting the NIC
 565                  * to decide which antenna to use. This should come from BIOS.
 566                  */
 567                 phy_cfg_cmd.phy_cfg =
 568                         cpu_to_le32(FW_PHY_CFG_CHAIN_SAD_ENABLED);
 569         }
 570
 571         /* Set parameters */
 572         phy_cfg_cmd.phy_cfg = cpu_to_le32(iwl_mvm_get_phy_config(mvm));
 573
 574         /* set flags extra PHY configuration flags from the device's cfg */
 575         phy_cfg_cmd.phy_cfg |=
 576                 cpu_to_le32(mvm->trans->trans_cfg->extra_phy_cfg_flags);
 577
 578         phy_cfg_cmd.calib_control.event_trigger =
 579                 mvm->fw->default_calib[ucode_type].event_trigger;
 580         phy_cfg_cmd.calib_control.flow_trigger =
 581                 mvm->fw->default_calib[ucode_type].flow_trigger;
 582
 583         IWL_DEBUG_INFO(mvm, "Sending Phy CFG command: 0x%x\n",
 584                        phy_cfg_cmd.phy_cfg);
 585
 586         return iwl_mvm_send_cmd_pdu(mvm, PHY_CONFIGURATION_CMD, 0,
 587                                     sizeof(phy_cfg_cmd), &phy_cfg_cmd);
 588 }
 589
 590 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm)
 591 {
 592         struct iwl_notification_wait calib_wait;
 593         static const u16 init_complete[] = {
 594                 INIT_COMPLETE_NOTIF,
 595                 CALIB_RES_NOTIF_PHY_DB
 596         };
 597         int ret;
 598
 599         if (iwl_mvm_has_unified_ucode(mvm))
 600                 return iwl_run_unified_mvm_ucode(mvm, true);
 601
 602         lockdep_assert_held(&mvm->mutex);
 603
 604         mvm->rfkill_safe_init_done = false;
 605
 606         iwl_init_notification_wait(&mvm->notif_wait,
 607                                    &calib_wait,
 608                                    init_complete,
 609                                    ARRAY_SIZE(init_complete),
 610                                    iwl_wait_phy_db_entry,
 611                                    mvm->phy_db);
 612
 613         /* Will also start the device */
 614         ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_INIT);
 615         if (ret) {
 616                 IWL_ERR(mvm, "Failed to start INIT ucode: %d\n", ret);
 617                 goto remove_notif;
 618         }
 619
 620         if (mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_8000) {
 621                 ret = iwl_mvm_send_bt_init_conf(mvm);
 622                 if (ret)
 623                         goto remove_notif;
 624         }
 625
 626         /* Read the NVM only at driver load time, no need to do this twice */
 627         if (read_nvm) {
 628                 ret = iwl_nvm_init(mvm);
 629                 if (ret) {
 630                         IWL_ERR(mvm, "Failed to read NVM: %d\n", ret);
 631                         goto remove_notif;
 632                 }
 633         }
 634
 635         /* In case we read the NVM from external file, load it to the NIC */
 636         if (mvm->nvm_file_name)
 637                 iwl_mvm_load_nvm_to_nic(mvm);
 638
 639         WARN_ONCE(mvm->nvm_data->nvm_version < mvm->trans->cfg->nvm_ver,
 640                   "Too old NVM version (0x%0x, required = 0x%0x)",
 641                   mvm->nvm_data->nvm_version, mvm->trans->cfg->nvm_ver);
 642
 643         /*
 644          * abort after reading the nvm in case RF Kill is on, we will complete
 645          * the init seq later when RF kill will switch to off
 646          */
 647         if (iwl_mvm_is_radio_hw_killed(mvm)) {
 648                 IWL_DEBUG_RF_KILL(mvm,
 649                                   "jump over all phy activities due to RF kill\n");
 650                 goto remove_notif;
 651         }
 652
 653         mvm->rfkill_safe_init_done = true;
 654
 655         /* Send TX valid antennas before triggering calibrations */
 656         ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm));
 657         if (ret)
 658                 goto remove_notif;
 659
 660         ret = iwl_send_phy_cfg_cmd(mvm);
 661         if (ret) {
 662                 IWL_ERR(mvm, "Failed to run INIT calibrations: %d\n",
 663                         ret);
 664                 goto remove_notif;
 665         }
 666
 667         /*
 668          * Some things may run in the background now, but we
 669          * just wait for the calibration complete notification.
 670          */
 671         ret = iwl_wait_notification(&mvm->notif_wait, &calib_wait,
 672                                     MVM_UCODE_CALIB_TIMEOUT);
 673         if (!ret)
 674                 goto out;
 675
 676         if (iwl_mvm_is_radio_hw_killed(mvm)) {
 677                 IWL_DEBUG_RF_KILL(mvm, "RFKILL while calibrating.\n");
 678                 ret = 0;
 679         } else {
 680                 IWL_ERR(mvm, "Failed to run INIT calibrations: %d\n",
 681                         ret);
 682         }
 683
 684         goto out;
 685
 686 remove_notif:
 687         iwl_remove_notification(&mvm->notif_wait, &calib_wait);
 688 out:
 689         mvm->rfkill_safe_init_done = false;
 690         if (iwlmvm_mod_params.init_dbg && !mvm->nvm_data) {
 691                 /* we want to debug INIT and we have no NVM - fake */
 692                 mvm->nvm_data = kzalloc(sizeof(struct iwl_nvm_data) +
 693                                         sizeof(struct ieee80211_channel) +
 694                                         sizeof(struct ieee80211_rate),
 695                                         GFP_KERNEL);
 696                 if (!mvm->nvm_data)
 697                         return -ENOMEM;
 698                 mvm->nvm_data->bands[0].channels = mvm->nvm_data->channels;
 699                 mvm->nvm_data->bands[0].n_channels = 1;
 700                 mvm->nvm_data->bands[0].n_bitrates = 1;
 701                 mvm->nvm_data->bands[0].bitrates =
 702                         (void *)mvm->nvm_data->channels + 1;
 703                 mvm->nvm_data->bands[0].bitrates->hw_value = 10;
 704         }
 705
 706         return ret;
 707 }
 708
 709 static int iwl_mvm_config_ltr(struct iwl_mvm *mvm)
 710 {
 711         struct iwl_ltr_config_cmd cmd = {
 712                 .flags = cpu_to_le32(LTR_CFG_FLAG_FEATURE_ENABLE),
 713         };
 714
 715         if (!mvm->trans->ltr_enabled)
 716                 return 0;
 717
 718         return iwl_mvm_send_cmd_pdu(mvm, LTR_CONFIG, 0,
 719                                     sizeof(cmd), &cmd);
 720 }
 721
 722 #ifdef CONFIG_ACPI
 723 int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a, int prof_b)
 724 {
 725         union {
 726                 struct iwl_dev_tx_power_cmd v5;
 727                 struct iwl_dev_tx_power_cmd_v4 v4;
 728         } cmd;
 729
 730         u16 len = 0;
 731
 732         cmd.v5.v3.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_CHAINS);
 733
 734         if (fw_has_api(&mvm->fw->ucode_capa,
 735                        IWL_UCODE_TLV_API_REDUCE_TX_POWER))
 736                 len = sizeof(cmd.v5);
 737         else if (fw_has_capa(&mvm->fw->ucode_capa,
 738                              IWL_UCODE_TLV_CAPA_TX_POWER_ACK))
 739                 len = sizeof(struct iwl_dev_tx_power_cmd_v4);
 740         else
 741                 len = sizeof(cmd.v4.v3);
 742
 743
 744         if (iwl_sar_select_profile(&mvm->fwrt, cmd.v5.v3.per_chain_restriction,
 745                                    prof_a, prof_b))
 746                 return -ENOENT;
 747         IWL_DEBUG_RADIO(mvm, "Sending REDUCE_TX_POWER_CMD per chain\n");
 748         return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0, len, &cmd);
 749 }
 750
 751 int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm)
 752 {
 753         union geo_tx_power_profiles_cmd geo_tx_cmd;
 754         u16 len;
 755         int ret;
 756         struct iwl_host_cmd cmd;
 757
 758         if (fw_has_api(&mvm->fwrt.fw->ucode_capa,
 759                        IWL_UCODE_TLV_API_SAR_TABLE_VER)) {
 760                 geo_tx_cmd.geo_cmd.ops =
 761                         cpu_to_le32(IWL_PER_CHAIN_OFFSET_GET_CURRENT_TABLE);
 762                 len = sizeof(geo_tx_cmd.geo_cmd);
 763         } else {
 764                 geo_tx_cmd.geo_cmd_v1.ops =
 765                         cpu_to_le32(IWL_PER_CHAIN_OFFSET_GET_CURRENT_TABLE);
 766                 len = sizeof(geo_tx_cmd.geo_cmd_v1);
 767         }
 768
 769         if (!iwl_sar_geo_support(&mvm->fwrt))
 770                 return -EOPNOTSUPP;
 771
 772         cmd = (struct iwl_host_cmd){
 773                 .id =  WIDE_ID(PHY_OPS_GROUP, GEO_TX_POWER_LIMIT),
 774                 .len = { len, },
 775                 .flags = CMD_WANT_SKB,
 776                 .data = { &geo_tx_cmd },
 777         };
 778
 779         ret = iwl_mvm_send_cmd(mvm, &cmd);
 780         if (ret) {
 781                 IWL_ERR(mvm, "Failed to get geographic profile info %d\n", ret);
 782                 return ret;
 783         }
 784         ret = iwl_validate_sar_geo_profile(&mvm->fwrt, &cmd);
 785         iwl_free_resp(&cmd);
 786         return ret;
 787 }
 788
 789 static int iwl_mvm_sar_geo_init(struct iwl_mvm *mvm)
 790 {
 791         u16 cmd_wide_id =  WIDE_ID(PHY_OPS_GROUP, GEO_TX_POWER_LIMIT);
 792         union geo_tx_power_profiles_cmd cmd;
 793         u16 len;
 794         int ret;
 795
 796         cmd.geo_cmd.ops = cpu_to_le32(IWL_PER_CHAIN_OFFSET_SET_TABLES);
 797
 798         ret = iwl_sar_geo_init(&mvm->fwrt, cmd.geo_cmd.table);
 799         /*
 800          * It is a valid scenario to not support SAR, or miss wgds table,
 801          * but in that case there is no need to send the command.
 802          */
 803         if (ret)
 804                 return 0;
 805
 806         cmd.geo_cmd.table_revision = cpu_to_le32(mvm->fwrt.geo_rev);
 807
 808         if (!fw_has_api(&mvm->fwrt.fw->ucode_capa,
 809                         IWL_UCODE_TLV_API_SAR_TABLE_VER)) {
 810                 len = sizeof(struct iwl_geo_tx_power_profiles_cmd_v1);
 811         } else {
 812                 len =  sizeof(cmd.geo_cmd);
 813         }
 814
 815         return iwl_mvm_send_cmd_pdu(mvm, cmd_wide_id, 0, len, &cmd);
 816 }
 817
 818 static int iwl_mvm_get_ppag_table(struct iwl_mvm *mvm)
 819 {
 820         union acpi_object *wifi_pkg, *data, *enabled;
 821         int i, j, ret, tbl_rev;
 822         int idx = 2;
 823
 824         mvm->fwrt.ppag_table.enabled = cpu_to_le32(0);
 825         data = iwl_acpi_get_object(mvm->dev, ACPI_PPAG_METHOD);
 826         if (IS_ERR(data))
 827                 return PTR_ERR(data);
 828
 829         wifi_pkg = iwl_acpi_get_wifi_pkg(mvm->dev, data,
 830                                          ACPI_PPAG_WIFI_DATA_SIZE, &tbl_rev);
 831
 832         if (IS_ERR(wifi_pkg)) {
 833                 ret = PTR_ERR(wifi_pkg);
 834                 goto out_free;
 835         }
 836
 837         if (tbl_rev != 0) {
 838                 ret = -EINVAL;
 839                 goto out_free;
 840         }
 841
 842         enabled = &wifi_pkg->package.elements[1];
 843         if (enabled->type != ACPI_TYPE_INTEGER ||
 844             (enabled->integer.value != 0 && enabled->integer.value != 1)) {
 845                 ret = -EINVAL;
 846                 goto out_free;
 847         }
 848
 849         mvm->fwrt.ppag_table.enabled = cpu_to_le32(enabled->integer.value);
 850         if (!mvm->fwrt.ppag_table.enabled) {
 851                 ret = 0;
 852                 goto out_free;
 853         }
 854
 855         /*
 856          * read, verify gain values and save them into the PPAG table.
 857          * first sub-band (j=0) corresponds to Low-Band (2.4GHz), and the
 858          * following sub-bands to High-Band (5GHz).
 859          */
 860         for (i = 0; i < ACPI_PPAG_NUM_CHAINS; i++) {
 861                 for (j = 0; j < ACPI_PPAG_NUM_SUB_BANDS; j++) {
 862                         union acpi_object *ent;
 863
 864                         ent = &wifi_pkg->package.elements[idx++];
 865                         if (ent->type != ACPI_TYPE_INTEGER ||
 866                             (j == 0 && ent->integer.value > ACPI_PPAG_MAX_LB) ||
 867                             (j == 0 && ent->integer.value < ACPI_PPAG_MIN_LB) ||
 868                             (j != 0 && ent->integer.value > ACPI_PPAG_MAX_HB) ||
 869                             (j != 0 && ent->integer.value < ACPI_PPAG_MIN_HB)) {
 870                                 mvm->fwrt.ppag_table.enabled = cpu_to_le32(0);
 871                                 ret = -EINVAL;
 872                                 goto out_free;
 873                         }
 874                         mvm->fwrt.ppag_table.gain[i][j] = ent->integer.value;
 875                 }
 876         }
 877         ret = 0;
 878 out_free:
 879         kfree(data);
 880         return ret;
 881 }
 882
 883 int iwl_mvm_ppag_send_cmd(struct iwl_mvm *mvm)
 884 {
 885         int i, j, ret;
 886
 887         if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_SET_PPAG)) {
 888                 IWL_DEBUG_RADIO(mvm,
 889                                 "PPAG capability not supported by FW, command not sent.\n");
 890                 return 0;
 891         }
 892
 893         if (!mvm->fwrt.ppag_table.enabled) {
 894                 IWL_DEBUG_RADIO(mvm,
 895                                 "PPAG not enabled, command not sent.\n");
 896                 return 0;
 897         }
 898
 899         IWL_DEBUG_RADIO(mvm, "Sending PER_PLATFORM_ANT_GAIN_CMD\n");
 900
 901         for (i = 0; i < ACPI_PPAG_NUM_CHAINS; i++) {
 902                 for (j = 0; j < ACPI_PPAG_NUM_SUB_BANDS; j++) {
 903                         IWL_DEBUG_RADIO(mvm,
 904                                         "PPAG table: chain[%d] band[%d]: gain = %d\n",
 905                                         i, j, mvm->fwrt.ppag_table.gain[i][j]);
 906                 }
 907         }
 908
 909         ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(PHY_OPS_GROUP,
 910                                                 PER_PLATFORM_ANT_GAIN_CMD),
 911                                    0, sizeof(mvm->fwrt.ppag_table),
 912                                    &mvm->fwrt.ppag_table);
 913         if (ret < 0)
 914                 IWL_ERR(mvm, "failed to send PER_PLATFORM_ANT_GAIN_CMD (%d)\n",
 915                         ret);
 916
 917         return ret;
 918 }
 919
 920 static int iwl_mvm_ppag_init(struct iwl_mvm *mvm)
 921 {
 922         int ret;
 923
 924         ret = iwl_mvm_get_ppag_table(mvm);
 925         if (ret < 0) {
 926                 IWL_DEBUG_RADIO(mvm,
 927                                 "PPAG BIOS table invalid or unavailable. (%d)\n",
 928                                 ret);
 929                 return 0;
 930         }
 931         return iwl_mvm_ppag_send_cmd(mvm);
 932 }
 933
 934 #else /* CONFIG_ACPI */
 935
 936 inline int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm,
 937                                       int prof_a, int prof_b)
 938 {
 939         return -ENOENT;
 940 }
 941
 942 inline int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm)
 943 {
 944         return -ENOENT;
 945 }
 946
 947 static int iwl_mvm_sar_geo_init(struct iwl_mvm *mvm)
 948 {
 949         return 0;
 950 }
 951
 952 int iwl_mvm_ppag_send_cmd(struct iwl_mvm *mvm)
 953 {
 954         return -ENOENT;
 955 }
 956
 957 static int iwl_mvm_ppag_init(struct iwl_mvm *mvm)
 958 {
 959         return 0;
 960 }
 961 #endif /* CONFIG_ACPI */
 962
 963 void iwl_mvm_send_recovery_cmd(struct iwl_mvm *mvm, u32 flags)
 964 {
 965         u32 error_log_size = mvm->fw->ucode_capa.error_log_size;
 966         int ret;
 967         u32 resp;
 968
 969         struct iwl_fw_error_recovery_cmd recovery_cmd = {
 970                 .flags = cpu_to_le32(flags),
 971                 .buf_size = 0,
 972         };
 973         struct iwl_host_cmd host_cmd = {
 974                 .id = WIDE_ID(SYSTEM_GROUP, FW_ERROR_RECOVERY_CMD),
 975                 .flags = CMD_WANT_SKB,
 976                 .data = {&recovery_cmd, },
 977                 .len = {sizeof(recovery_cmd), },
 978         };
 979
 980         /* no error log was defined in TLV */
 981         if (!error_log_size)
 982                 return;
 983
 984         if (flags & ERROR_RECOVERY_UPDATE_DB) {
 985                 /* no buf was allocated while HW reset */
 986                 if (!mvm->error_recovery_buf)
 987                         return;
 988
 989                 host_cmd.data[1] = mvm->error_recovery_buf;
 990                 host_cmd.len[1] =  error_log_size;
 991                 host_cmd.dataflags[1] = IWL_HCMD_DFL_NOCOPY;
 992                 recovery_cmd.buf_size = cpu_to_le32(error_log_size);
 993         }
 994
 995         ret = iwl_mvm_send_cmd(mvm, &host_cmd);
 996         kfree(mvm->error_recovery_buf);
 997         mvm->error_recovery_buf = NULL;
 998
 999         if (ret) {
1000                 IWL_ERR(mvm, "Failed to send recovery cmd %d\n", ret);
1001                 return;
1002         }
1003
1004         /* skb respond is only relevant in ERROR_RECOVERY_UPDATE_DB */
1005         if (flags & ERROR_RECOVERY_UPDATE_DB) {
1006                 resp = le32_to_cpu(*(__le32 *)host_cmd.resp_pkt->data);
1007                 if (resp)
1008                         IWL_ERR(mvm,
1009                                 "Failed to send recovery cmd blob was invalid %d\n",
1010                                 resp);
1011         }
1012 }
1013
1014 static int iwl_mvm_sar_init(struct iwl_mvm *mvm)
1015 {
1016         int ret;
1017
1018         ret = iwl_sar_get_wrds_table(&mvm->fwrt);
1019         if (ret < 0) {
1020                 IWL_DEBUG_RADIO(mvm,
1021                                 "WRDS SAR BIOS table invalid or unavailable. (%d)\n",
1022                                 ret);
1023                 /*
1024                  * If not available, don't fail and don't bother with EWRD.
1025                  * Return 1 to tell that we can't use WGDS either.
1026                  */
1027                 return 1;
1028         }
1029
1030         ret = iwl_sar_get_ewrd_table(&mvm->fwrt);
1031         /* if EWRD is not available, we can still use WRDS, so don't fail */
1032         if (ret < 0)
1033                 IWL_DEBUG_RADIO(mvm,
1034                                 "EWRD SAR BIOS table invalid or unavailable. (%d)\n",
1035                                 ret);
1036
1037         ret = iwl_mvm_sar_select_profile(mvm, 1, 1);
1038         /*
1039          * If we don't have profile 0 from BIOS, just skip it.  This
1040          * means that SAR Geo will not be enabled either, even if we
1041          * have other valid profiles.
1042          */
1043         if (ret == -ENOENT)
1044                 return 1;
1045
1046         return ret;
1047 }
1048
1049 static int iwl_mvm_load_rt_fw(struct iwl_mvm *mvm)
1050 {
1051         int ret;
1052
1053         if (iwl_mvm_has_unified_ucode(mvm))
1054                 return iwl_run_unified_mvm_ucode(mvm, false);
1055
1056         ret = iwl_run_init_mvm_ucode(mvm, false);
1057
1058         if (ret) {
1059                 IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", ret);
1060
1061                 if (iwlmvm_mod_params.init_dbg)
1062                         return 0;
1063                 return ret;
1064         }
1065
1066         iwl_fw_dbg_stop_sync(&mvm->fwrt);
1067         iwl_trans_stop_device(mvm->trans);
1068         ret = iwl_trans_start_hw(mvm->trans);
1069         if (ret)
1070                 return ret;
1071
1072         iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_EARLY, NULL);
1073
1074         mvm->rfkill_safe_init_done = false;
1075         ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_REGULAR);
1076         if (ret)
1077                 return ret;
1078
1079         mvm->rfkill_safe_init_done = true;
1080
1081         iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_AFTER_ALIVE,
1082                                NULL);
1083
1084         return iwl_init_paging(&mvm->fwrt, mvm->fwrt.cur_fw_img);
1085 }
1086
1087 int iwl_mvm_up(struct iwl_mvm *mvm)
1088 {
1089         int ret, i;
1090         struct ieee80211_channel *chan;
1091         struct cfg80211_chan_def chandef;
1092         struct ieee80211_supported_band *sband = NULL;
1093
1094         lockdep_assert_held(&mvm->mutex);
1095
1096         ret = iwl_trans_start_hw(mvm->trans);
1097         if (ret)
1098                 return ret;
1099
1100         ret = iwl_mvm_load_rt_fw(mvm);
1101         if (ret) {
1102                 IWL_ERR(mvm, "Failed to start RT ucode: %d\n", ret);
1103                 if (ret != -ERFKILL)
1104                         iwl_fw_dbg_error_collect(&mvm->fwrt,
1105                                                  FW_DBG_TRIGGER_DRIVER);
1106                 goto error;
1107         }
1108
1109         iwl_get_shared_mem_conf(&mvm->fwrt);
1110
1111         ret = iwl_mvm_sf_update(mvm, NULL, false);
1112         if (ret)
1113                 IWL_ERR(mvm, "Failed to initialize Smart Fifo\n");
1114
1115         if (!iwl_trans_dbg_ini_valid(mvm->trans)) {
1116                 mvm->fwrt.dump.conf = FW_DBG_INVALID;
1117                 /* if we have a destination, assume EARLY START */
1118                 if (mvm->fw->dbg.dest_tlv)
1119                         mvm->fwrt.dump.conf = FW_DBG_START_FROM_ALIVE;
1120                 iwl_fw_start_dbg_conf(&mvm->fwrt, FW_DBG_START_FROM_ALIVE);
1121         }
1122
1123         ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm));
1124         if (ret)
1125                 goto error;
1126
1127         if (!iwl_mvm_has_unified_ucode(mvm)) {
1128                 /* Send phy db control command and then phy db calibration */
1129                 ret = iwl_send_phy_db_data(mvm->phy_db);
1130                 if (ret)
1131                         goto error;
1132         }
1133
1134         ret = iwl_send_phy_cfg_cmd(mvm);
1135         if (ret)
1136                 goto error;
1137
1138         ret = iwl_mvm_send_bt_init_conf(mvm);
1139         if (ret)
1140                 goto error;
1141
1142         if (fw_has_capa(&mvm->fw->ucode_capa,
1143                         IWL_UCODE_TLV_CAPA_SOC_LATENCY_SUPPORT)) {
1144                 ret = iwl_set_soc_latency(mvm);
1145                 if (ret)
1146                         goto error;
1147         }
1148
1149         /* Init RSS configuration */
1150         if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_22000) {
1151                 ret = iwl_configure_rxq(mvm);
1152                 if (ret) {
1153                         IWL_ERR(mvm, "Failed to configure RX queues: %d\n",
1154                                 ret);
1155                         goto error;
1156                 }
1157         }
1158
1159         if (iwl_mvm_has_new_rx_api(mvm)) {
1160                 ret = iwl_send_rss_cfg_cmd(mvm);
1161                 if (ret) {
1162                         IWL_ERR(mvm, "Failed to configure RSS queues: %d\n",
1163                                 ret);
1164                         goto error;
1165                 }
1166         }
1167
1168         /* init the fw <-> mac80211 STA mapping */
1169         for (i = 0; i < ARRAY_SIZE(mvm->fw_id_to_mac_id); i++)
1170                 RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL);
1171
1172         mvm->tdls_cs.peer.sta_id = IWL_MVM_INVALID_STA;
1173
1174         /* reset quota debouncing buffer - 0xff will yield invalid data */
1175         memset(&mvm->last_quota_cmd, 0xff, sizeof(mvm->last_quota_cmd));
1176
1177         if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_DQA_SUPPORT)) {
1178                 ret = iwl_mvm_send_dqa_cmd(mvm);
1179                 if (ret)
1180                         goto error;
1181         }
1182
1183         /* Add auxiliary station for scanning */
1184         ret = iwl_mvm_add_aux_sta(mvm);
1185         if (ret)
1186                 goto error;
1187
1188         /* Add all the PHY contexts */
1189         i = 0;
1190         while (!sband && i < NUM_NL80211_BANDS)
1191                 sband = mvm->hw->wiphy->bands[i++];
1192
1193         if (WARN_ON_ONCE(!sband))
1194                 goto error;
1195
1196         chan = &sband->channels[0];
1197
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         if (iwl_mvm_is_tt_in_fw(mvm)) {
1212                 /* in order to give the responsibility of ct-kill and
1213                  * TX backoff to FW we need to send empty temperature reporting
1214                  * cmd during init time
1215                  */
1216                 iwl_mvm_send_temp_report_ths_cmd(mvm);
1217         } else {
1218                 /* Initialize tx backoffs to the minimal possible */
1219                 iwl_mvm_tt_tx_backoff(mvm, 0);
1220         }
1221
1222 #ifdef CONFIG_THERMAL
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 #endif
1236
1237         if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_SET_LTR_GEN2))
1238                 WARN_ON(iwl_mvm_config_ltr(mvm));
1239
1240         ret = iwl_mvm_power_update_device(mvm);
1241         if (ret)
1242                 goto error;
1243
1244         /*
1245          * RTNL is not taken during Ct-kill, but we don't need to scan/Tx
1246          * anyway, so don't init MCC.
1247          */
1248         if (!test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status)) {
1249                 ret = iwl_mvm_init_mcc(mvm);
1250                 if (ret)
1251                         goto error;
1252         }
1253
1254         if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) {
1255                 mvm->scan_type = IWL_SCAN_TYPE_NOT_SET;
1256                 mvm->hb_scan_type = IWL_SCAN_TYPE_NOT_SET;
1257                 ret = iwl_mvm_config_scan(mvm);
1258                 if (ret)
1259                         goto error;
1260         }
1261
1262         if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
1263                 iwl_mvm_send_recovery_cmd(mvm, ERROR_RECOVERY_UPDATE_DB);
1264
1265         if (iwl_acpi_get_eckv(mvm->dev, &mvm->ext_clock_valid))
1266                 IWL_DEBUG_INFO(mvm, "ECKV table doesn't exist in BIOS\n");
1267
1268         ret = iwl_mvm_ppag_init(mvm);
1269         if (ret)
1270                 goto error;
1271
1272         ret = iwl_mvm_sar_init(mvm);
1273         if (ret == 0) {
1274                 ret = iwl_mvm_sar_geo_init(mvm);
1275         } else if (ret > 0 && !iwl_sar_get_wgds_table(&mvm->fwrt)) {
1276                 /*
1277                  * If basic SAR is not available, we check for WGDS,
1278                  * which should *not* be available either.  If it is
1279                  * available, issue an error, because we can't use SAR
1280                  * Geo without basic SAR.
1281                  */
1282                 IWL_ERR(mvm, "BIOS contains WGDS but no WRDS\n");
1283         }
1284
1285         if (ret < 0)
1286                 goto error;
1287
1288         iwl_mvm_leds_sync(mvm);
1289
1290         IWL_DEBUG_INFO(mvm, "RT uCode started.\n");
1291         return 0;
1292  error:
1293         if (!iwlmvm_mod_params.init_dbg || !ret)
1294                 iwl_mvm_stop_device(mvm);
1295         return ret;
1296 }
1297
1298 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm)
1299 {
1300         int ret, i;
1301
1302         lockdep_assert_held(&mvm->mutex);
1303
1304         ret = iwl_trans_start_hw(mvm->trans);
1305         if (ret)
1306                 return ret;
1307
1308         ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_WOWLAN);
1309         if (ret) {
1310                 IWL_ERR(mvm, "Failed to start WoWLAN firmware: %d\n", ret);
1311                 goto error;
1312         }
1313
1314         ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm));
1315         if (ret)
1316                 goto error;
1317
1318         /* Send phy db control command and then phy db calibration*/
1319         ret = iwl_send_phy_db_data(mvm->phy_db);
1320         if (ret)
1321                 goto error;
1322
1323         ret = iwl_send_phy_cfg_cmd(mvm);
1324         if (ret)
1325                 goto error;
1326
1327         /* init the fw <-> mac80211 STA mapping */
1328         for (i = 0; i < ARRAY_SIZE(mvm->fw_id_to_mac_id); i++)
1329                 RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL);
1330
1331         /* Add auxiliary station for scanning */
1332         ret = iwl_mvm_add_aux_sta(mvm);
1333         if (ret)
1334                 goto error;
1335
1336         return 0;
1337  error:
1338         iwl_mvm_stop_device(mvm);
1339         return ret;
1340 }
1341
1342 void iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
1343                                  struct iwl_rx_cmd_buffer *rxb)
1344 {
1345         struct iwl_rx_packet *pkt = rxb_addr(rxb);
1346         struct iwl_card_state_notif *card_state_notif = (void *)pkt->data;
1347         u32 flags = le32_to_cpu(card_state_notif->flags);
1348
1349         IWL_DEBUG_RF_KILL(mvm, "Card state received: HW:%s SW:%s CT:%s\n",
1350                           (flags & HW_CARD_DISABLED) ? "Kill" : "On",
1351                           (flags & SW_CARD_DISABLED) ? "Kill" : "On",
1352                           (flags & CT_KILL_CARD_DISABLED) ?
1353                           "Reached" : "Not reached");
1354 }
1355
1356 void iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm,
1357                              struct iwl_rx_cmd_buffer *rxb)
1358 {
1359         struct iwl_rx_packet *pkt = rxb_addr(rxb);
1360         struct iwl_mfuart_load_notif *mfuart_notif = (void *)pkt->data;
1361
1362         IWL_DEBUG_INFO(mvm,
1363                        "MFUART: installed ver: 0x%08x, external ver: 0x%08x, status: 0x%08x, duration: 0x%08x\n",
1364                        le32_to_cpu(mfuart_notif->installed_ver),
1365                        le32_to_cpu(mfuart_notif->external_ver),
1366                        le32_to_cpu(mfuart_notif->status),
1367                        le32_to_cpu(mfuart_notif->duration));
1368
1369         if (iwl_rx_packet_payload_len(pkt) == sizeof(*mfuart_notif))
1370                 IWL_DEBUG_INFO(mvm,
1371                                "MFUART: image size: 0x%08x\n",
1372                                le32_to_cpu(mfuart_notif->image_size));
1373 }