drivers/net/wireless/intel/iwlwifi/mvm/fw.c

/* [<][>][^][v][top][bottom][index][help] */
This source file includes following definitions.
iwl_send_tx_ant_cfg
iwl_send_rss_cfg_cmd
iwl_configure_rxq
iwl_mvm_send_dqa_cmd
iwl_mvm_mfu_assert_dump_notif
iwl_alive_fn
iwl_wait_init_complete
iwl_wait_phy_db_entry
iwl_mvm_load_ucode_wait_alive
iwl_run_unified_mvm_ucode
iwl_send_phy_cfg_cmd
iwl_run_init_mvm_ucode
iwl_mvm_config_ltr
iwl_mvm_sar_set_profile
iwl_mvm_sar_get_wrds_table
iwl_mvm_sar_get_ewrd_table
iwl_mvm_sar_get_wgds_table
iwl_mvm_sar_select_profile
iwl_mvm_sar_geo_support
iwl_mvm_get_sar_geo_profile
iwl_mvm_sar_geo_init
iwl_mvm_get_ppag_table
iwl_mvm_ppag_send_cmd
iwl_mvm_ppag_init
iwl_mvm_sar_get_wrds_table
iwl_mvm_sar_get_ewrd_table
iwl_mvm_sar_get_wgds_table
iwl_mvm_sar_geo_init
iwl_mvm_sar_select_profile
iwl_mvm_get_sar_geo_profile
iwl_mvm_ppag_send_cmd
iwl_mvm_ppag_init
iwl_mvm_send_recovery_cmd
iwl_mvm_sar_init
iwl_mvm_load_rt_fw
iwl_mvm_up
iwl_mvm_load_d3_fw
iwl_mvm_rx_card_state_notif
iwl_mvm_rx_mfuart_notif
   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  * Copyright(c) 2018 - 2019        Intel Corporation
  12  *
  13  * This program is free software; you can redistribute it and/or modify
  14  * it under the terms of version 2 of the GNU General Public License as
  15  * published by the Free Software Foundation.
  16  *
  17  * This program is distributed in the hope that it will be useful, but
  18  * WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  20  * General Public License for more details.
  21  *
  22  * The full GNU General Public License is included in this distribution
  23  * in the file called COPYING.
  24  *
  25  * Contact Information:
  26  *  Intel Linux Wireless <linuxwifi@intel.com>
  27  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  28  *
  29  * BSD LICENSE
  30  *
  31  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
  32  * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
  33  * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
  34  * Copyright(c) 2018 - 2019       Intel Corporation
  35  * All rights reserved.
  36  *
  37  * Redistribution and use in source and binary forms, with or without
  38  * modification, are permitted provided that the following conditions
  39  * are met:
  40  *
  41  *  * Redistributions of source code must retain the above copyright
  42  *    notice, this list of conditions and the following disclaimer.
  43  *  * Redistributions in binary form must reproduce the above copyright
  44  *    notice, this list of conditions and the following disclaimer in
  45  *    the documentation and/or other materials provided with the
  46  *    distribution.
  47  *  * Neither the name Intel Corporation nor the names of its
  48  *    contributors may be used to endorse or promote products derived
  49  *    from this software without specific prior written permission.
  50  *
  51  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  52  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  53  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  54  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  55  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  56  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  57  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  58  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  59  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  60  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  61  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  62  *
  63  *****************************************************************************/
  64 #include <net/mac80211.h>
  65 #include <linux/netdevice.h>
  66 
  67 #include "iwl-trans.h"
  68 #include "iwl-op-mode.h"
  69 #include "fw/img.h"
  70 #include "iwl-debug.h"
  71 #include "iwl-csr.h" /* for iwl_mvm_rx_card_state_notif */
  72 #include "iwl-io.h" /* for iwl_mvm_rx_card_state_notif */
  73 #include "iwl-prph.h"
  74 #include "fw/acpi.h"
  75 
  76 #include "mvm.h"
  77 #include "fw/dbg.h"
  78 #include "iwl-phy-db.h"
  79 #include "iwl-modparams.h"
  80 #include "iwl-nvm-parse.h"
  81 
  82 #define MVM_UCODE_ALIVE_TIMEOUT HZ
  83 #define MVM_UCODE_CALIB_TIMEOUT (2*HZ)
  84 
  85 #define UCODE_VALID_OK  cpu_to_le32(0x1)
  86 
  87 struct iwl_mvm_alive_data {
  88         bool valid;
  89         u32 scd_base_addr;
  90 };
  91 
  92 static int iwl_send_tx_ant_cfg(struct iwl_mvm *mvm, u8 valid_tx_ant)
  93 {
  94         struct iwl_tx_ant_cfg_cmd tx_ant_cmd = {
  95                 .valid = cpu_to_le32(valid_tx_ant),
  96         };
  97 
  98         IWL_DEBUG_FW(mvm, "select valid tx ant: %u\n", valid_tx_ant);
  99         return iwl_mvm_send_cmd_pdu(mvm, TX_ANT_CONFIGURATION_CMD, 0,
 100                                     sizeof(tx_ant_cmd), &tx_ant_cmd);
 101 }
 102 
 103 static int iwl_send_rss_cfg_cmd(struct iwl_mvm *mvm)
 104 {
 105         int i;
 106         struct iwl_rss_config_cmd cmd = {
 107                 .flags = cpu_to_le32(IWL_RSS_ENABLE),
 108                 .hash_mask = BIT(IWL_RSS_HASH_TYPE_IPV4_TCP) |
 109                              BIT(IWL_RSS_HASH_TYPE_IPV4_UDP) |
 110                              BIT(IWL_RSS_HASH_TYPE_IPV4_PAYLOAD) |
 111                              BIT(IWL_RSS_HASH_TYPE_IPV6_TCP) |
 112                              BIT(IWL_RSS_HASH_TYPE_IPV6_UDP) |
 113                              BIT(IWL_RSS_HASH_TYPE_IPV6_PAYLOAD),
 114         };
 115 
 116         if (mvm->trans->num_rx_queues == 1)
 117                 return 0;
 118 
 119         /* Do not direct RSS traffic to Q 0 which is our fallback queue */
 120         for (i = 0; i < ARRAY_SIZE(cmd.indirection_table); i++)
 121                 cmd.indirection_table[i] =
 122                         1 + (i % (mvm->trans->num_rx_queues - 1));
 123         netdev_rss_key_fill(cmd.secret_key, sizeof(cmd.secret_key));
 124 
 125         return iwl_mvm_send_cmd_pdu(mvm, RSS_CONFIG_CMD, 0, sizeof(cmd), &cmd);
 126 }
 127 
 128 static int iwl_configure_rxq(struct iwl_mvm *mvm)
 129 {
 130         int i, num_queues, size, ret;
 131         struct iwl_rfh_queue_config *cmd;
 132         struct iwl_host_cmd hcmd = {
 133                 .id = WIDE_ID(DATA_PATH_GROUP, RFH_QUEUE_CONFIG_CMD),
 134                 .dataflags[0] = IWL_HCMD_DFL_NOCOPY,
 135         };
 136 
 137         /* Do not configure default queue, it is configured via context info */
 138         num_queues = mvm->trans->num_rx_queues - 1;
 139 
 140         size = struct_size(cmd, data, num_queues);
 141 
 142         cmd = kzalloc(size, GFP_KERNEL);
 143         if (!cmd)
 144                 return -ENOMEM;
 145 
 146         cmd->num_queues = num_queues;
 147 
 148         for (i = 0; i < num_queues; i++) {
 149                 struct iwl_trans_rxq_dma_data data;
 150 
 151                 cmd->data[i].q_num = i + 1;
 152                 iwl_trans_get_rxq_dma_data(mvm->trans, i + 1, &data);
 153 
 154                 cmd->data[i].fr_bd_cb = cpu_to_le64(data.fr_bd_cb);
 155                 cmd->data[i].urbd_stts_wrptr =
 156                         cpu_to_le64(data.urbd_stts_wrptr);
 157                 cmd->data[i].ur_bd_cb = cpu_to_le64(data.ur_bd_cb);
 158                 cmd->data[i].fr_bd_wid = cpu_to_le32(data.fr_bd_wid);
 159         }
 160 
 161         hcmd.data[0] = cmd;
 162         hcmd.len[0] = size;
 163 
 164         ret = iwl_mvm_send_cmd(mvm, &hcmd);
 165 
 166         kfree(cmd);
 167 
 168         return ret;
 169 }
 170 
 171 static int iwl_mvm_send_dqa_cmd(struct iwl_mvm *mvm)
 172 {
 173         struct iwl_dqa_enable_cmd dqa_cmd = {
 174                 .cmd_queue = cpu_to_le32(IWL_MVM_DQA_CMD_QUEUE),
 175         };
 176         u32 cmd_id = iwl_cmd_id(DQA_ENABLE_CMD, DATA_PATH_GROUP, 0);
 177         int ret;
 178 
 179         ret = iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, sizeof(dqa_cmd), &dqa_cmd);
 180         if (ret)
 181                 IWL_ERR(mvm, "Failed to send DQA enabling command: %d\n", ret);
 182         else
 183                 IWL_DEBUG_FW(mvm, "Working in DQA mode\n");
 184 
 185         return ret;
 186 }
 187 
 188 void iwl_mvm_mfu_assert_dump_notif(struct iwl_mvm *mvm,
 189                                    struct iwl_rx_cmd_buffer *rxb)
 190 {
 191         struct iwl_rx_packet *pkt = rxb_addr(rxb);
 192         struct iwl_mfu_assert_dump_notif *mfu_dump_notif = (void *)pkt->data;
 193         __le32 *dump_data = mfu_dump_notif->data;
 194         int n_words = le32_to_cpu(mfu_dump_notif->data_size) / sizeof(__le32);
 195         int i;
 196 
 197         if (mfu_dump_notif->index_num == 0)
 198                 IWL_INFO(mvm, "MFUART assert id 0x%x occurred\n",
 199                          le32_to_cpu(mfu_dump_notif->assert_id));
 200 
 201         for (i = 0; i < n_words; i++)
 202                 IWL_DEBUG_INFO(mvm,
 203                                "MFUART assert dump, dword %u: 0x%08x\n",
 204                                le16_to_cpu(mfu_dump_notif->index_num) *
 205                                n_words + i,
 206                                le32_to_cpu(dump_data[i]));
 207 }
 208 
 209 static bool iwl_alive_fn(struct iwl_notif_wait_data *notif_wait,
 210                          struct iwl_rx_packet *pkt, void *data)
 211 {
 212         struct iwl_mvm *mvm =
 213                 container_of(notif_wait, struct iwl_mvm, notif_wait);
 214         struct iwl_mvm_alive_data *alive_data = data;
 215         struct mvm_alive_resp_v3 *palive3;
 216         struct mvm_alive_resp *palive;
 217         struct iwl_umac_alive *umac;
 218         struct iwl_lmac_alive *lmac1;
 219         struct iwl_lmac_alive *lmac2 = NULL;
 220         u16 status;
 221         u32 lmac_error_event_table, umac_error_event_table;
 222 
 223         if (iwl_rx_packet_payload_len(pkt) == sizeof(*palive)) {
 224                 palive = (void *)pkt->data;
 225                 umac = &palive->umac_data;
 226                 lmac1 = &palive->lmac_data[0];
 227                 lmac2 = &palive->lmac_data[1];
 228                 status = le16_to_cpu(palive->status);
 229         } else {
 230                 palive3 = (void *)pkt->data;
 231                 umac = &palive3->umac_data;
 232                 lmac1 = &palive3->lmac_data;
 233                 status = le16_to_cpu(palive3->status);
 234         }
 235 
 236         lmac_error_event_table =
 237                 le32_to_cpu(lmac1->dbg_ptrs.error_event_table_ptr);
 238         iwl_fw_lmac1_set_alive_err_table(mvm->trans, lmac_error_event_table);
 239 
 240         if (lmac2)
 241                 mvm->trans->dbg.lmac_error_event_table[1] =
 242                         le32_to_cpu(lmac2->dbg_ptrs.error_event_table_ptr);
 243 
 244         umac_error_event_table = le32_to_cpu(umac->dbg_ptrs.error_info_addr);
 245 
 246         if (!umac_error_event_table) {
 247                 mvm->support_umac_log = false;
 248         } else if (umac_error_event_table >=
 249                    mvm->trans->cfg->min_umac_error_event_table) {
 250                 mvm->support_umac_log = true;
 251         } else {
 252                 IWL_ERR(mvm,
 253                         "Not valid error log pointer 0x%08X for %s uCode\n",
 254                         umac_error_event_table,
 255                         (mvm->fwrt.cur_fw_img == IWL_UCODE_INIT) ?
 256                         "Init" : "RT");
 257                 mvm->support_umac_log = false;
 258         }
 259 
 260         if (mvm->support_umac_log)
 261                 iwl_fw_umac_set_alive_err_table(mvm->trans,
 262                                                 umac_error_event_table);
 263 
 264         alive_data->scd_base_addr = le32_to_cpu(lmac1->dbg_ptrs.scd_base_ptr);
 265         alive_data->valid = status == IWL_ALIVE_STATUS_OK;
 266 
 267         IWL_DEBUG_FW(mvm,
 268                      "Alive ucode status 0x%04x revision 0x%01X 0x%01X\n",
 269                      status, lmac1->ver_type, lmac1->ver_subtype);
 270 
 271         if (lmac2)
 272                 IWL_DEBUG_FW(mvm, "Alive ucode CDB\n");
 273 
 274         IWL_DEBUG_FW(mvm,
 275                      "UMAC version: Major - 0x%x, Minor - 0x%x\n",
 276                      le32_to_cpu(umac->umac_major),
 277                      le32_to_cpu(umac->umac_minor));
 278 
 279         iwl_fwrt_update_fw_versions(&mvm->fwrt, lmac1, umac);
 280 
 281         return true;
 282 }
 283 
 284 static bool iwl_wait_init_complete(struct iwl_notif_wait_data *notif_wait,
 285                                    struct iwl_rx_packet *pkt, void *data)
 286 {
 287         WARN_ON(pkt->hdr.cmd != INIT_COMPLETE_NOTIF);
 288 
 289         return true;
 290 }
 291 
 292 static bool iwl_wait_phy_db_entry(struct iwl_notif_wait_data *notif_wait,
 293                                   struct iwl_rx_packet *pkt, void *data)
 294 {
 295         struct iwl_phy_db *phy_db = data;
 296 
 297         if (pkt->hdr.cmd != CALIB_RES_NOTIF_PHY_DB) {
 298                 WARN_ON(pkt->hdr.cmd != INIT_COMPLETE_NOTIF);
 299                 return true;
 300         }
 301 
 302         WARN_ON(iwl_phy_db_set_section(phy_db, pkt));
 303 
 304         return false;
 305 }
 306 
 307 static int iwl_mvm_load_ucode_wait_alive(struct iwl_mvm *mvm,
 308                                          enum iwl_ucode_type ucode_type)
 309 {
 310         struct iwl_notification_wait alive_wait;
 311         struct iwl_mvm_alive_data alive_data = {};
 312         const struct fw_img *fw;
 313         int ret;
 314         enum iwl_ucode_type old_type = mvm->fwrt.cur_fw_img;
 315         static const u16 alive_cmd[] = { MVM_ALIVE };
 316         bool run_in_rfkill =
 317                 ucode_type == IWL_UCODE_INIT || iwl_mvm_has_unified_ucode(mvm);
 318 
 319         if (ucode_type == IWL_UCODE_REGULAR &&
 320             iwl_fw_dbg_conf_usniffer(mvm->fw, FW_DBG_START_FROM_ALIVE) &&
 321             !(fw_has_capa(&mvm->fw->ucode_capa,
 322                           IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED)))
 323                 fw = iwl_get_ucode_image(mvm->fw, IWL_UCODE_REGULAR_USNIFFER);
 324         else
 325                 fw = iwl_get_ucode_image(mvm->fw, ucode_type);
 326         if (WARN_ON(!fw))
 327                 return -EINVAL;
 328         iwl_fw_set_current_image(&mvm->fwrt, ucode_type);
 329         clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status);
 330 
 331         iwl_init_notification_wait(&mvm->notif_wait, &alive_wait,
 332                                    alive_cmd, ARRAY_SIZE(alive_cmd),
 333                                    iwl_alive_fn, &alive_data);
 334 
 335         /*
 336          * We want to load the INIT firmware even in RFKILL
 337          * For the unified firmware case, the ucode_type is not
 338          * INIT, but we still need to run it.
 339          */
 340         ret = iwl_trans_start_fw(mvm->trans, fw, run_in_rfkill);
 341         if (ret) {
 342                 iwl_fw_set_current_image(&mvm->fwrt, old_type);
 343                 iwl_remove_notification(&mvm->notif_wait, &alive_wait);
 344                 return ret;
 345         }
 346 
 347         /*
 348          * Some things may run in the background now, but we
 349          * just wait for the ALIVE notification here.
 350          */
 351         ret = iwl_wait_notification(&mvm->notif_wait, &alive_wait,
 352                                     MVM_UCODE_ALIVE_TIMEOUT);
 353         if (ret) {
 354                 struct iwl_trans *trans = mvm->trans;
 355 
 356                 if (ret == -ETIMEDOUT)
 357                         iwl_fw_dbg_error_collect(&mvm->fwrt,
 358                                                  FW_DBG_TRIGGER_ALIVE_TIMEOUT);
 359 
 360                 if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_22000)
 361                         IWL_ERR(mvm,
 362                                 "SecBoot CPU1 Status: 0x%x, CPU2 Status: 0x%x\n",
 363                                 iwl_read_umac_prph(trans, UMAG_SB_CPU_1_STATUS),
 364                                 iwl_read_umac_prph(trans,
 365                                                    UMAG_SB_CPU_2_STATUS));
 366                 else if (trans->trans_cfg->device_family >=
 367                          IWL_DEVICE_FAMILY_8000)
 368                         IWL_ERR(mvm,
 369                                 "SecBoot CPU1 Status: 0x%x, CPU2 Status: 0x%x\n",
 370                                 iwl_read_prph(trans, SB_CPU_1_STATUS),
 371                                 iwl_read_prph(trans, SB_CPU_2_STATUS));
 372                 iwl_fw_set_current_image(&mvm->fwrt, old_type);
 373                 return ret;
 374         }
 375 
 376         if (!alive_data.valid) {
 377                 IWL_ERR(mvm, "Loaded ucode is not valid!\n");
 378                 iwl_fw_set_current_image(&mvm->fwrt, old_type);
 379                 return -EIO;
 380         }
 381 
 382         iwl_trans_fw_alive(mvm->trans, alive_data.scd_base_addr);
 383 
 384         /*
 385          * Note: all the queues are enabled as part of the interface
 386          * initialization, but in firmware restart scenarios they
 387          * could be stopped, so wake them up. In firmware restart,
 388          * mac80211 will have the queues stopped as well until the
 389          * reconfiguration completes. During normal startup, they
 390          * will be empty.
 391          */
 392 
 393         memset(&mvm->queue_info, 0, sizeof(mvm->queue_info));
 394         /*
 395          * Set a 'fake' TID for the command queue, since we use the
 396          * hweight() of the tid_bitmap as a refcount now. Not that
 397          * we ever even consider the command queue as one we might
 398          * want to reuse, but be safe nevertheless.
 399          */
 400         mvm->queue_info[IWL_MVM_DQA_CMD_QUEUE].tid_bitmap =
 401                 BIT(IWL_MAX_TID_COUNT + 2);
 402 
 403         set_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status);
 404 #ifdef CONFIG_IWLWIFI_DEBUGFS
 405         iwl_fw_set_dbg_rec_on(&mvm->fwrt);
 406 #endif
 407 
 408         return 0;
 409 }
 410 
 411 static int iwl_run_unified_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm)
 412 {
 413         struct iwl_notification_wait init_wait;
 414         struct iwl_nvm_access_complete_cmd nvm_complete = {};
 415         struct iwl_init_extended_cfg_cmd init_cfg = {
 416                 .init_flags = cpu_to_le32(BIT(IWL_INIT_NVM)),
 417         };
 418         static const u16 init_complete[] = {
 419                 INIT_COMPLETE_NOTIF,
 420         };
 421         int ret;
 422 
 423         if (mvm->trans->cfg->tx_with_siso_diversity)
 424                 init_cfg.init_flags |= cpu_to_le32(BIT(IWL_INIT_PHY));
 425 
 426         lockdep_assert_held(&mvm->mutex);
 427 
 428         mvm->rfkill_safe_init_done = false;
 429 
 430         iwl_init_notification_wait(&mvm->notif_wait,
 431                                    &init_wait,
 432                                    init_complete,
 433                                    ARRAY_SIZE(init_complete),
 434                                    iwl_wait_init_complete,
 435                                    NULL);
 436 
 437         iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_EARLY, NULL);
 438 
 439         /* Will also start the device */
 440         ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_REGULAR);
 441         if (ret) {
 442                 IWL_ERR(mvm, "Failed to start RT ucode: %d\n", ret);
 443                 goto error;
 444         }
 445         iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_AFTER_ALIVE,
 446                                NULL);
 447 
 448         /* Send init config command to mark that we are sending NVM access
 449          * commands
 450          */
 451         ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(SYSTEM_GROUP,
 452                                                 INIT_EXTENDED_CFG_CMD),
 453                                    CMD_SEND_IN_RFKILL,
 454                                    sizeof(init_cfg), &init_cfg);
 455         if (ret) {
 456                 IWL_ERR(mvm, "Failed to run init config command: %d\n",
 457                         ret);
 458                 goto error;
 459         }
 460 
 461         /* Load NVM to NIC if needed */
 462         if (mvm->nvm_file_name) {
 463                 iwl_read_external_nvm(mvm->trans, mvm->nvm_file_name,
 464                                       mvm->nvm_sections);
 465                 iwl_mvm_load_nvm_to_nic(mvm);
 466         }
 467 
 468         if (IWL_MVM_PARSE_NVM && read_nvm) {
 469                 ret = iwl_nvm_init(mvm);
 470                 if (ret) {
 471                         IWL_ERR(mvm, "Failed to read NVM: %d\n", ret);
 472                         goto error;
 473                 }
 474         }
 475 
 476         ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(REGULATORY_AND_NVM_GROUP,
 477                                                 NVM_ACCESS_COMPLETE),
 478                                    CMD_SEND_IN_RFKILL,
 479                                    sizeof(nvm_complete), &nvm_complete);
 480         if (ret) {
 481                 IWL_ERR(mvm, "Failed to run complete NVM access: %d\n",
 482                         ret);
 483                 goto error;
 484         }
 485 
 486         /* We wait for the INIT complete notification */
 487         ret = iwl_wait_notification(&mvm->notif_wait, &init_wait,
 488                                     MVM_UCODE_ALIVE_TIMEOUT);
 489         if (ret)
 490                 return ret;
 491 
 492         /* Read the NVM only at driver load time, no need to do this twice */
 493         if (!IWL_MVM_PARSE_NVM && read_nvm) {
 494                 mvm->nvm_data = iwl_get_nvm(mvm->trans, mvm->fw);
 495                 if (IS_ERR(mvm->nvm_data)) {
 496                         ret = PTR_ERR(mvm->nvm_data);
 497                         mvm->nvm_data = NULL;
 498                         IWL_ERR(mvm, "Failed to read NVM: %d\n", ret);
 499                         return ret;
 500                 }
 501         }
 502 
 503         mvm->rfkill_safe_init_done = true;
 504 
 505         return 0;
 506 
 507 error:
 508         iwl_remove_notification(&mvm->notif_wait, &init_wait);
 509         return ret;
 510 }
 511 
 512 static int iwl_send_phy_cfg_cmd(struct iwl_mvm *mvm)
 513 {
 514         struct iwl_phy_cfg_cmd phy_cfg_cmd;
 515         enum iwl_ucode_type ucode_type = mvm->fwrt.cur_fw_img;
 516 
 517         if (iwl_mvm_has_unified_ucode(mvm) &&
 518             !mvm->trans->cfg->tx_with_siso_diversity) {
 519                 return 0;
 520         } else if (mvm->trans->cfg->tx_with_siso_diversity) {
 521                 /*
 522                  * TODO: currently we don't set the antenna but letting the NIC
 523                  * to decide which antenna to use. This should come from BIOS.
 524                  */
 525                 phy_cfg_cmd.phy_cfg =
 526                         cpu_to_le32(FW_PHY_CFG_CHAIN_SAD_ENABLED);
 527         }
 528 
 529         /* Set parameters */
 530         phy_cfg_cmd.phy_cfg = cpu_to_le32(iwl_mvm_get_phy_config(mvm));
 531 
 532         /* set flags extra PHY configuration flags from the device's cfg */
 533         phy_cfg_cmd.phy_cfg |= cpu_to_le32(mvm->cfg->extra_phy_cfg_flags);
 534 
 535         phy_cfg_cmd.calib_control.event_trigger =
 536                 mvm->fw->default_calib[ucode_type].event_trigger;
 537         phy_cfg_cmd.calib_control.flow_trigger =
 538                 mvm->fw->default_calib[ucode_type].flow_trigger;
 539 
 540         IWL_DEBUG_INFO(mvm, "Sending Phy CFG command: 0x%x\n",
 541                        phy_cfg_cmd.phy_cfg);
 542 
 543         return iwl_mvm_send_cmd_pdu(mvm, PHY_CONFIGURATION_CMD, 0,
 544                                     sizeof(phy_cfg_cmd), &phy_cfg_cmd);
 545 }
 546 
 547 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm)
 548 {
 549         struct iwl_notification_wait calib_wait;
 550         static const u16 init_complete[] = {
 551                 INIT_COMPLETE_NOTIF,
 552                 CALIB_RES_NOTIF_PHY_DB
 553         };
 554         int ret;
 555 
 556         if (iwl_mvm_has_unified_ucode(mvm))
 557                 return iwl_run_unified_mvm_ucode(mvm, true);
 558 
 559         lockdep_assert_held(&mvm->mutex);
 560 
 561         mvm->rfkill_safe_init_done = false;
 562 
 563         iwl_init_notification_wait(&mvm->notif_wait,
 564                                    &calib_wait,
 565                                    init_complete,
 566                                    ARRAY_SIZE(init_complete),
 567                                    iwl_wait_phy_db_entry,
 568                                    mvm->phy_db);
 569 
 570         /* Will also start the device */
 571         ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_INIT);
 572         if (ret) {
 573                 IWL_ERR(mvm, "Failed to start INIT ucode: %d\n", ret);
 574                 goto remove_notif;
 575         }
 576 
 577         if (mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_8000) {
 578                 ret = iwl_mvm_send_bt_init_conf(mvm);
 579                 if (ret)
 580                         goto remove_notif;
 581         }
 582 
 583         /* Read the NVM only at driver load time, no need to do this twice */
 584         if (read_nvm) {
 585                 ret = iwl_nvm_init(mvm);
 586                 if (ret) {
 587                         IWL_ERR(mvm, "Failed to read NVM: %d\n", ret);
 588                         goto remove_notif;
 589                 }
 590         }
 591 
 592         /* In case we read the NVM from external file, load it to the NIC */
 593         if (mvm->nvm_file_name)
 594                 iwl_mvm_load_nvm_to_nic(mvm);
 595 
 596         WARN_ONCE(mvm->nvm_data->nvm_version < mvm->trans->cfg->nvm_ver,
 597                   "Too old NVM version (0x%0x, required = 0x%0x)",
 598                   mvm->nvm_data->nvm_version, mvm->trans->cfg->nvm_ver);
 599 
 600         /*
 601          * abort after reading the nvm in case RF Kill is on, we will complete
 602          * the init seq later when RF kill will switch to off
 603          */
 604         if (iwl_mvm_is_radio_hw_killed(mvm)) {
 605                 IWL_DEBUG_RF_KILL(mvm,
 606                                   "jump over all phy activities due to RF kill\n");
 607                 goto remove_notif;
 608         }
 609 
 610         mvm->rfkill_safe_init_done = true;
 611 
 612         /* Send TX valid antennas before triggering calibrations */
 613         ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm));
 614         if (ret)
 615                 goto remove_notif;
 616 
 617         ret = iwl_send_phy_cfg_cmd(mvm);
 618         if (ret) {
 619                 IWL_ERR(mvm, "Failed to run INIT calibrations: %d\n",
 620                         ret);
 621                 goto remove_notif;
 622         }
 623 
 624         /*
 625          * Some things may run in the background now, but we
 626          * just wait for the calibration complete notification.
 627          */
 628         ret = iwl_wait_notification(&mvm->notif_wait, &calib_wait,
 629                                     MVM_UCODE_CALIB_TIMEOUT);
 630         if (!ret)
 631                 goto out;
 632 
 633         if (iwl_mvm_is_radio_hw_killed(mvm)) {
 634                 IWL_DEBUG_RF_KILL(mvm, "RFKILL while calibrating.\n");
 635                 ret = 0;
 636         } else {
 637                 IWL_ERR(mvm, "Failed to run INIT calibrations: %d\n",
 638                         ret);
 639         }
 640 
 641         goto out;
 642 
 643 remove_notif:
 644         iwl_remove_notification(&mvm->notif_wait, &calib_wait);
 645 out:
 646         mvm->rfkill_safe_init_done = false;
 647         if (iwlmvm_mod_params.init_dbg && !mvm->nvm_data) {
 648                 /* we want to debug INIT and we have no NVM - fake */
 649                 mvm->nvm_data = kzalloc(sizeof(struct iwl_nvm_data) +
 650                                         sizeof(struct ieee80211_channel) +
 651                                         sizeof(struct ieee80211_rate),
 652                                         GFP_KERNEL);
 653                 if (!mvm->nvm_data)
 654                         return -ENOMEM;
 655                 mvm->nvm_data->bands[0].channels = mvm->nvm_data->channels;
 656                 mvm->nvm_data->bands[0].n_channels = 1;
 657                 mvm->nvm_data->bands[0].n_bitrates = 1;
 658                 mvm->nvm_data->bands[0].bitrates =
 659                         (void *)mvm->nvm_data->channels + 1;
 660                 mvm->nvm_data->bands[0].bitrates->hw_value = 10;
 661         }
 662 
 663         return ret;
 664 }
 665 
 666 static int iwl_mvm_config_ltr(struct iwl_mvm *mvm)
 667 {
 668         struct iwl_ltr_config_cmd cmd = {
 669                 .flags = cpu_to_le32(LTR_CFG_FLAG_FEATURE_ENABLE),
 670         };
 671 
 672         if (!mvm->trans->ltr_enabled)
 673                 return 0;
 674 
 675         return iwl_mvm_send_cmd_pdu(mvm, LTR_CONFIG, 0,
 676                                     sizeof(cmd), &cmd);
 677 }
 678 
 679 #ifdef CONFIG_ACPI
 680 static inline int iwl_mvm_sar_set_profile(struct iwl_mvm *mvm,
 681                                           union acpi_object *table,
 682                                           struct iwl_mvm_sar_profile *profile,
 683                                           bool enabled)
 684 {
 685         int i;
 686 
 687         profile->enabled = enabled;
 688 
 689         for (i = 0; i < ACPI_SAR_TABLE_SIZE; i++) {
 690                 if ((table[i].type != ACPI_TYPE_INTEGER) ||
 691                     (table[i].integer.value > U8_MAX))
 692                         return -EINVAL;
 693 
 694                 profile->table[i] = table[i].integer.value;
 695         }
 696 
 697         return 0;
 698 }
 699 
 700 static int iwl_mvm_sar_get_wrds_table(struct iwl_mvm *mvm)
 701 {
 702         union acpi_object *wifi_pkg, *table, *data;
 703         bool enabled;
 704         int ret, tbl_rev;
 705 
 706         data = iwl_acpi_get_object(mvm->dev, ACPI_WRDS_METHOD);
 707         if (IS_ERR(data))
 708                 return PTR_ERR(data);
 709 
 710         wifi_pkg = iwl_acpi_get_wifi_pkg(mvm->dev, data,
 711                                          ACPI_WRDS_WIFI_DATA_SIZE, &tbl_rev);
 712         if (IS_ERR(wifi_pkg)) {
 713                 ret = PTR_ERR(wifi_pkg);
 714                 goto out_free;
 715         }
 716 
 717         if (wifi_pkg->package.elements[1].type != ACPI_TYPE_INTEGER ||
 718             tbl_rev != 0) {
 719                 ret = -EINVAL;
 720                 goto out_free;
 721         }
 722 
 723         enabled = !!(wifi_pkg->package.elements[1].integer.value);
 724 
 725         /* position of the actual table */
 726         table = &wifi_pkg->package.elements[2];
 727 
 728         /* The profile from WRDS is officially profile 1, but goes
 729          * into sar_profiles[0] (because we don't have a profile 0).
 730          */
 731         ret = iwl_mvm_sar_set_profile(mvm, table, &mvm->sar_profiles[0],
 732                                       enabled);
 733 out_free:
 734         kfree(data);
 735         return ret;
 736 }
 737 
 738 static int iwl_mvm_sar_get_ewrd_table(struct iwl_mvm *mvm)
 739 {
 740         union acpi_object *wifi_pkg, *data;
 741         bool enabled;
 742         int i, n_profiles, ret, tbl_rev;
 743 
 744         data = iwl_acpi_get_object(mvm->dev, ACPI_EWRD_METHOD);
 745         if (IS_ERR(data))
 746                 return PTR_ERR(data);
 747 
 748         wifi_pkg = iwl_acpi_get_wifi_pkg(mvm->dev, data,
 749                                          ACPI_EWRD_WIFI_DATA_SIZE, &tbl_rev);
 750         if (IS_ERR(wifi_pkg)) {
 751                 ret = PTR_ERR(wifi_pkg);
 752                 goto out_free;
 753         }
 754 
 755         if ((wifi_pkg->package.elements[1].type != ACPI_TYPE_INTEGER) ||
 756             (wifi_pkg->package.elements[2].type != ACPI_TYPE_INTEGER) ||
 757             tbl_rev != 0) {
 758                 ret = -EINVAL;
 759                 goto out_free;
 760         }
 761 
 762         enabled = !!(wifi_pkg->package.elements[1].integer.value);
 763         n_profiles = wifi_pkg->package.elements[2].integer.value;
 764 
 765         /*
 766          * Check the validity of n_profiles.  The EWRD profiles start
 767          * from index 1, so the maximum value allowed here is
 768          * ACPI_SAR_PROFILES_NUM - 1.
 769          */
 770         if (n_profiles <= 0 || n_profiles >= ACPI_SAR_PROFILE_NUM) {
 771                 ret = -EINVAL;
 772                 goto out_free;
 773         }
 774 
 775         for (i = 0; i < n_profiles; i++) {
 776                 /* the tables start at element 3 */
 777                 int pos = 3;
 778 
 779                 /* The EWRD profiles officially go from 2 to 4, but we
 780                  * save them in sar_profiles[1-3] (because we don't
 781                  * have profile 0).  So in the array we start from 1.
 782                  */
 783                 ret = iwl_mvm_sar_set_profile(mvm,
 784                                               &wifi_pkg->package.elements[pos],
 785                                               &mvm->sar_profiles[i + 1],
 786                                               enabled);
 787                 if (ret < 0)
 788                         break;
 789 
 790                 /* go to the next table */
 791                 pos += ACPI_SAR_TABLE_SIZE;
 792         }
 793 
 794 out_free:
 795         kfree(data);
 796         return ret;
 797 }
 798 
 799 static int iwl_mvm_sar_get_wgds_table(struct iwl_mvm *mvm)
 800 {
 801         union acpi_object *wifi_pkg, *data;
 802         int i, j, ret, tbl_rev;
 803         int idx = 1;
 804 
 805         data = iwl_acpi_get_object(mvm->dev, ACPI_WGDS_METHOD);
 806         if (IS_ERR(data))
 807                 return PTR_ERR(data);
 808 
 809         wifi_pkg = iwl_acpi_get_wifi_pkg(mvm->dev, data,
 810                                          ACPI_WGDS_WIFI_DATA_SIZE, &tbl_rev);
 811         if (IS_ERR(wifi_pkg)) {
 812                 ret = PTR_ERR(wifi_pkg);
 813                 goto out_free;
 814         }
 815 
 816         if (tbl_rev != 0) {
 817                 ret = -EINVAL;
 818                 goto out_free;
 819         }
 820 
 821         mvm->geo_rev = tbl_rev;
 822         for (i = 0; i < ACPI_NUM_GEO_PROFILES; i++) {
 823                 for (j = 0; j < ACPI_GEO_TABLE_SIZE; j++) {
 824                         union acpi_object *entry;
 825 
 826                         entry = &wifi_pkg->package.elements[idx++];
 827                         if ((entry->type != ACPI_TYPE_INTEGER) ||
 828                             (entry->integer.value > U8_MAX)) {
 829                                 ret = -EINVAL;
 830                                 goto out_free;
 831                         }
 832 
 833                         mvm->geo_profiles[i].values[j] = entry->integer.value;
 834                 }
 835         }
 836         ret = 0;
 837 out_free:
 838         kfree(data);
 839         return ret;
 840 }
 841 
 842 int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a, int prof_b)
 843 {
 844         union {
 845                 struct iwl_dev_tx_power_cmd v5;
 846                 struct iwl_dev_tx_power_cmd_v4 v4;
 847         } cmd;
 848         int i, j, idx;
 849         int profs[ACPI_SAR_NUM_CHAIN_LIMITS] = { prof_a, prof_b };
 850         int len;
 851 
 852         BUILD_BUG_ON(ACPI_SAR_NUM_CHAIN_LIMITS < 2);
 853         BUILD_BUG_ON(ACPI_SAR_NUM_CHAIN_LIMITS * ACPI_SAR_NUM_SUB_BANDS !=
 854                      ACPI_SAR_TABLE_SIZE);
 855 
 856         cmd.v5.v3.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_CHAINS);
 857 
 858         if (fw_has_api(&mvm->fw->ucode_capa,
 859                        IWL_UCODE_TLV_API_REDUCE_TX_POWER))
 860                 len = sizeof(cmd.v5);
 861         else if (fw_has_capa(&mvm->fw->ucode_capa,
 862                              IWL_UCODE_TLV_CAPA_TX_POWER_ACK))
 863                 len = sizeof(cmd.v4);
 864         else
 865                 len = sizeof(cmd.v4.v3);
 866 
 867         for (i = 0; i < ACPI_SAR_NUM_CHAIN_LIMITS; i++) {
 868                 struct iwl_mvm_sar_profile *prof;
 869 
 870                 /* don't allow SAR to be disabled (profile 0 means disable) */
 871                 if (profs[i] == 0)
 872                         return -EPERM;
 873 
 874                 /* we are off by one, so allow up to ACPI_SAR_PROFILE_NUM */
 875                 if (profs[i] > ACPI_SAR_PROFILE_NUM)
 876                         return -EINVAL;
 877 
 878                 /* profiles go from 1 to 4, so decrement to access the array */
 879                 prof = &mvm->sar_profiles[profs[i] - 1];
 880 
 881                 /* if the profile is disabled, do nothing */
 882                 if (!prof->enabled) {
 883                         IWL_DEBUG_RADIO(mvm, "SAR profile %d is disabled.\n",
 884                                         profs[i]);
 885                         /* if one of the profiles is disabled, we fail all */
 886                         return -ENOENT;
 887                 }
 888 
 889                 IWL_DEBUG_INFO(mvm,
 890                                "SAR EWRD: chain %d profile index %d\n",
 891                                i, profs[i]);
 892                 IWL_DEBUG_RADIO(mvm, "  Chain[%d]:\n", i);
 893                 for (j = 0; j < ACPI_SAR_NUM_SUB_BANDS; j++) {
 894                         idx = (i * ACPI_SAR_NUM_SUB_BANDS) + j;
 895                         cmd.v5.v3.per_chain_restriction[i][j] =
 896                                 cpu_to_le16(prof->table[idx]);
 897                         IWL_DEBUG_RADIO(mvm, "    Band[%d] = %d * .125dBm\n",
 898                                         j, prof->table[idx]);
 899                 }
 900         }
 901 
 902         IWL_DEBUG_RADIO(mvm, "Sending REDUCE_TX_POWER_CMD per chain\n");
 903 
 904         return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0, len, &cmd);
 905 }
 906 
 907 static bool iwl_mvm_sar_geo_support(struct iwl_mvm *mvm)
 908 {
 909         /*
 910          * The GEO_TX_POWER_LIMIT command is not supported on earlier
 911          * firmware versions.  Unfortunately, we don't have a TLV API
 912          * flag to rely on, so rely on the major version which is in
 913          * the first byte of ucode_ver.  This was implemented
 914          * initially on version 38 and then backported to 17.  It was
 915          * also backported to 29, but only for 7265D devices.  The
 916          * intention was to have it in 36 as well, but not all 8000
 917          * family got this feature enabled.  The 8000 family is the
 918          * only one using version 36, so skip this version entirely.
 919          */
 920         return IWL_UCODE_SERIAL(mvm->fw->ucode_ver) >= 38 ||
 921                IWL_UCODE_SERIAL(mvm->fw->ucode_ver) == 17 ||
 922                (IWL_UCODE_SERIAL(mvm->fw->ucode_ver) == 29 &&
 923                 ((mvm->trans->hw_rev & CSR_HW_REV_TYPE_MSK) ==
 924                  CSR_HW_REV_TYPE_7265D));
 925 }
 926 
 927 int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm)
 928 {
 929         struct iwl_geo_tx_power_profiles_resp *resp;
 930         int ret;
 931         u16 len;
 932         void *data;
 933         struct iwl_geo_tx_power_profiles_cmd geo_cmd;
 934         struct iwl_geo_tx_power_profiles_cmd_v1 geo_cmd_v1;
 935         struct iwl_host_cmd cmd;
 936 
 937         if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_SAR_TABLE_VER)) {
 938                 geo_cmd.ops =
 939                         cpu_to_le32(IWL_PER_CHAIN_OFFSET_GET_CURRENT_TABLE);
 940                 len = sizeof(geo_cmd);
 941                 data = &geo_cmd;
 942         } else {
 943                 geo_cmd_v1.ops =
 944                         cpu_to_le32(IWL_PER_CHAIN_OFFSET_GET_CURRENT_TABLE);
 945                 len = sizeof(geo_cmd_v1);
 946                 data = &geo_cmd_v1;
 947         }
 948 
 949         cmd = (struct iwl_host_cmd){
 950                 .id =  WIDE_ID(PHY_OPS_GROUP, GEO_TX_POWER_LIMIT),
 951                 .len = { len, },
 952                 .flags = CMD_WANT_SKB,
 953                 .data = { data },
 954         };
 955 
 956         if (!iwl_mvm_sar_geo_support(mvm))
 957                 return -EOPNOTSUPP;
 958 
 959         ret = iwl_mvm_send_cmd(mvm, &cmd);
 960         if (ret) {
 961                 IWL_ERR(mvm, "Failed to get geographic profile info %d\n", ret);
 962                 return ret;
 963         }
 964 
 965         resp = (void *)cmd.resp_pkt->data;
 966         ret = le32_to_cpu(resp->profile_idx);
 967         if (WARN_ON(ret > ACPI_NUM_GEO_PROFILES)) {
 968                 ret = -EIO;
 969                 IWL_WARN(mvm, "Invalid geographic profile idx (%d)\n", ret);
 970         }
 971 
 972         iwl_free_resp(&cmd);
 973         return ret;
 974 }
 975 
 976 static int iwl_mvm_sar_geo_init(struct iwl_mvm *mvm)
 977 {
 978         struct iwl_geo_tx_power_profiles_cmd cmd = {
 979                 .ops = cpu_to_le32(IWL_PER_CHAIN_OFFSET_SET_TABLES),
 980         };
 981         int ret, i, j;
 982         u16 cmd_wide_id =  WIDE_ID(PHY_OPS_GROUP, GEO_TX_POWER_LIMIT);
 983 
 984         if (!iwl_mvm_sar_geo_support(mvm))
 985                 return 0;
 986 
 987         ret = iwl_mvm_sar_get_wgds_table(mvm);
 988         if (ret < 0) {
 989                 IWL_DEBUG_RADIO(mvm,
 990                                 "Geo SAR BIOS table invalid or unavailable. (%d)\n",
 991                                 ret);
 992                 /* we don't fail if the table is not available */
 993                 return 0;
 994         }
 995 
 996         IWL_DEBUG_RADIO(mvm, "Sending GEO_TX_POWER_LIMIT\n");
 997 
 998         BUILD_BUG_ON(ACPI_NUM_GEO_PROFILES * ACPI_WGDS_NUM_BANDS *
 999                      ACPI_WGDS_TABLE_SIZE + 1 !=  ACPI_WGDS_WIFI_DATA_SIZE);
1000 
1001         BUILD_BUG_ON(ACPI_NUM_GEO_PROFILES > IWL_NUM_GEO_PROFILES);
1002 
1003         for (i = 0; i < ACPI_NUM_GEO_PROFILES; i++) {
1004                 struct iwl_per_chain_offset *chain =
1005                         (struct iwl_per_chain_offset *)&cmd.table[i];
1006 
1007                 for (j = 0; j < ACPI_WGDS_NUM_BANDS; j++) {
1008                         u8 *value;
1009 
1010                         value = &mvm->geo_profiles[i].values[j *
1011                                 ACPI_GEO_PER_CHAIN_SIZE];
1012                         chain[j].max_tx_power = cpu_to_le16(value[0]);
1013                         chain[j].chain_a = value[1];
1014                         chain[j].chain_b = value[2];
1015                         IWL_DEBUG_RADIO(mvm,
1016                                         "SAR geographic profile[%d] Band[%d]: chain A = %d chain B = %d max_tx_power = %d\n",
1017                                         i, j, value[1], value[2], value[0]);
1018                 }
1019         }
1020 
1021         cmd.table_revision = cpu_to_le32(mvm->geo_rev);
1022 
1023         if (!fw_has_api(&mvm->fw->ucode_capa,
1024                        IWL_UCODE_TLV_API_SAR_TABLE_VER)) {
1025                 return iwl_mvm_send_cmd_pdu(mvm, cmd_wide_id, 0,
1026                                 sizeof(struct iwl_geo_tx_power_profiles_cmd_v1),
1027                                 &cmd);
1028         }
1029 
1030         return iwl_mvm_send_cmd_pdu(mvm, cmd_wide_id, 0, sizeof(cmd), &cmd);
1031 }
1032 
1033 static int iwl_mvm_get_ppag_table(struct iwl_mvm *mvm)
1034 {
1035         union acpi_object *wifi_pkg, *data, *enabled;
1036         int i, j, ret, tbl_rev;
1037         int idx = 2;
1038 
1039         mvm->ppag_table.enabled = cpu_to_le32(0);
1040         data = iwl_acpi_get_object(mvm->dev, ACPI_PPAG_METHOD);
1041         if (IS_ERR(data))
1042                 return PTR_ERR(data);
1043 
1044         wifi_pkg = iwl_acpi_get_wifi_pkg(mvm->dev, data,
1045                                          ACPI_PPAG_WIFI_DATA_SIZE, &tbl_rev);
1046 
1047         if (IS_ERR(wifi_pkg)) {
1048                 ret = PTR_ERR(wifi_pkg);
1049                 goto out_free;
1050         }
1051 
1052         if (tbl_rev != 0) {
1053                 ret = -EINVAL;
1054                 goto out_free;
1055         }
1056 
1057         enabled = &wifi_pkg->package.elements[1];
1058         if (enabled->type != ACPI_TYPE_INTEGER ||
1059             (enabled->integer.value != 0 && enabled->integer.value != 1)) {
1060                 ret = -EINVAL;
1061                 goto out_free;
1062         }
1063 
1064         mvm->ppag_table.enabled = cpu_to_le32(enabled->integer.value);
1065         if (!mvm->ppag_table.enabled) {
1066                 ret = 0;
1067                 goto out_free;
1068         }
1069 
1070         /*
1071          * read, verify gain values and save them into the PPAG table.
1072          * first sub-band (j=0) corresponds to Low-Band (2.4GHz), and the
1073          * following sub-bands to High-Band (5GHz).
1074          */
1075         for (i = 0; i < ACPI_PPAG_NUM_CHAINS; i++) {
1076                 for (j = 0; j < ACPI_PPAG_NUM_SUB_BANDS; j++) {
1077                         union acpi_object *ent;
1078 
1079                         ent = &wifi_pkg->package.elements[idx++];
1080                         if (ent->type != ACPI_TYPE_INTEGER ||
1081                             (j == 0 && ent->integer.value > ACPI_PPAG_MAX_LB) ||
1082                             (j == 0 && ent->integer.value < ACPI_PPAG_MIN_LB) ||
1083                             (j != 0 && ent->integer.value > ACPI_PPAG_MAX_HB) ||
1084                             (j != 0 && ent->integer.value < ACPI_PPAG_MIN_HB)) {
1085                                 mvm->ppag_table.enabled = cpu_to_le32(0);
1086                                 ret = -EINVAL;
1087                                 goto out_free;
1088                         }
1089                         mvm->ppag_table.gain[i][j] = ent->integer.value;
1090                 }
1091         }
1092         ret = 0;
1093 out_free:
1094         kfree(data);
1095         return ret;
1096 }
1097 
1098 int iwl_mvm_ppag_send_cmd(struct iwl_mvm *mvm)
1099 {
1100         int i, j, ret;
1101 
1102         if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_SET_PPAG)) {
1103                 IWL_DEBUG_RADIO(mvm,
1104                                 "PPAG capability not supported by FW, command not sent.\n");
1105                 return 0;
1106         }
1107 
1108         IWL_DEBUG_RADIO(mvm, "Sending PER_PLATFORM_ANT_GAIN_CMD\n");
1109         IWL_DEBUG_RADIO(mvm, "PPAG is %s\n",
1110                         mvm->ppag_table.enabled ? "enabled" : "disabled");
1111 
1112         for (i = 0; i < ACPI_PPAG_NUM_CHAINS; i++) {
1113                 for (j = 0; j < ACPI_PPAG_NUM_SUB_BANDS; j++) {
1114                         IWL_DEBUG_RADIO(mvm,
1115                                         "PPAG table: chain[%d] band[%d]: gain = %d\n",
1116                                         i, j, mvm->ppag_table.gain[i][j]);
1117                 }
1118         }
1119 
1120         ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(PHY_OPS_GROUP,
1121                                                 PER_PLATFORM_ANT_GAIN_CMD),
1122                                    0, sizeof(mvm->ppag_table),
1123                                    &mvm->ppag_table);
1124         if (ret < 0)
1125                 IWL_ERR(mvm, "failed to send PER_PLATFORM_ANT_GAIN_CMD (%d)\n",
1126                         ret);
1127 
1128         return ret;
1129 }
1130 
1131 static int iwl_mvm_ppag_init(struct iwl_mvm *mvm)
1132 {
1133         int ret;
1134 
1135         ret = iwl_mvm_get_ppag_table(mvm);
1136         if (ret < 0) {
1137                 IWL_DEBUG_RADIO(mvm,
1138                                 "PPAG BIOS table invalid or unavailable. (%d)\n",
1139                                 ret);
1140                 return 0;
1141         }
1142         return iwl_mvm_ppag_send_cmd(mvm);
1143 }
1144 
1145 #else /* CONFIG_ACPI */
1146 static int iwl_mvm_sar_get_wrds_table(struct iwl_mvm *mvm)
1147 {
1148         return -ENOENT;
1149 }
1150 
1151 static int iwl_mvm_sar_get_ewrd_table(struct iwl_mvm *mvm)
1152 {
1153         return -ENOENT;
1154 }
1155 
1156 static int iwl_mvm_sar_get_wgds_table(struct iwl_mvm *mvm)
1157 {
1158         return -ENOENT;
1159 }
1160 
1161 static int iwl_mvm_sar_geo_init(struct iwl_mvm *mvm)
1162 {
1163         return 0;
1164 }
1165 
1166 int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a,
1167                                int prof_b)
1168 {
1169         return -ENOENT;
1170 }
1171 
1172 int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm)
1173 {
1174         return -ENOENT;
1175 }
1176 
1177 int iwl_mvm_ppag_send_cmd(struct iwl_mvm *mvm)
1178 {
1179         return -ENOENT;
1180 }
1181 
1182 static int iwl_mvm_ppag_init(struct iwl_mvm *mvm)
1183 {
1184         return 0;
1185 }
1186 #endif /* CONFIG_ACPI */
1187 
1188 void iwl_mvm_send_recovery_cmd(struct iwl_mvm *mvm, u32 flags)
1189 {
1190         u32 error_log_size = mvm->fw->ucode_capa.error_log_size;
1191         int ret;
1192         u32 resp;
1193 
1194         struct iwl_fw_error_recovery_cmd recovery_cmd = {
1195                 .flags = cpu_to_le32(flags),
1196                 .buf_size = 0,
1197         };
1198         struct iwl_host_cmd host_cmd = {
1199                 .id = WIDE_ID(SYSTEM_GROUP, FW_ERROR_RECOVERY_CMD),
1200                 .flags = CMD_WANT_SKB,
1201                 .data = {&recovery_cmd, },
1202                 .len = {sizeof(recovery_cmd), },
1203         };
1204 
1205         /* no error log was defined in TLV */
1206         if (!error_log_size)
1207                 return;
1208 
1209         if (flags & ERROR_RECOVERY_UPDATE_DB) {
1210                 /* no buf was allocated while HW reset */
1211                 if (!mvm->error_recovery_buf)
1212                         return;
1213 
1214                 host_cmd.data[1] = mvm->error_recovery_buf;
1215                 host_cmd.len[1] =  error_log_size;
1216                 host_cmd.dataflags[1] = IWL_HCMD_DFL_NOCOPY;
1217                 recovery_cmd.buf_size = cpu_to_le32(error_log_size);
1218         }
1219 
1220         ret = iwl_mvm_send_cmd(mvm, &host_cmd);
1221         kfree(mvm->error_recovery_buf);
1222         mvm->error_recovery_buf = NULL;
1223 
1224         if (ret) {
1225                 IWL_ERR(mvm, "Failed to send recovery cmd %d\n", ret);
1226                 return;
1227         }
1228 
1229         /* skb respond is only relevant in ERROR_RECOVERY_UPDATE_DB */
1230         if (flags & ERROR_RECOVERY_UPDATE_DB) {
1231                 resp = le32_to_cpu(*(__le32 *)host_cmd.resp_pkt->data);
1232                 if (resp)
1233                         IWL_ERR(mvm,
1234                                 "Failed to send recovery cmd blob was invalid %d\n",
1235                                 resp);
1236         }
1237 }
1238 
1239 static int iwl_mvm_sar_init(struct iwl_mvm *mvm)
1240 {
1241         int ret;
1242 
1243         ret = iwl_mvm_sar_get_wrds_table(mvm);
1244         if (ret < 0) {
1245                 IWL_DEBUG_RADIO(mvm,
1246                                 "WRDS SAR BIOS table invalid or unavailable. (%d)\n",
1247                                 ret);
1248                 /*
1249                  * If not available, don't fail and don't bother with EWRD.
1250                  * Return 1 to tell that we can't use WGDS either.
1251                  */
1252                 return 1;
1253         }
1254 
1255         ret = iwl_mvm_sar_get_ewrd_table(mvm);
1256         /* if EWRD is not available, we can still use WRDS, so don't fail */
1257         if (ret < 0)
1258                 IWL_DEBUG_RADIO(mvm,
1259                                 "EWRD SAR BIOS table invalid or unavailable. (%d)\n",
1260                                 ret);
1261 
1262         /* choose profile 1 (WRDS) as default for both chains */
1263         ret = iwl_mvm_sar_select_profile(mvm, 1, 1);
1264 
1265         /*
1266          * If we don't have profile 0 from BIOS, just skip it.  This
1267          * means that SAR Geo will not be enabled either, even if we
1268          * have other valid profiles.
1269          */
1270         if (ret == -ENOENT)
1271                 return 1;
1272 
1273         return ret;
1274 }
1275 
1276 static int iwl_mvm_load_rt_fw(struct iwl_mvm *mvm)
1277 {
1278         int ret;
1279 
1280         if (iwl_mvm_has_unified_ucode(mvm))
1281                 return iwl_run_unified_mvm_ucode(mvm, false);
1282 
1283         ret = iwl_run_init_mvm_ucode(mvm, false);
1284 
1285         if (ret) {
1286                 IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", ret);
1287 
1288                 if (iwlmvm_mod_params.init_dbg)
1289                         return 0;
1290                 return ret;
1291         }
1292 
1293         iwl_fw_dbg_stop_sync(&mvm->fwrt);
1294         iwl_trans_stop_device(mvm->trans);
1295         ret = iwl_trans_start_hw(mvm->trans);
1296         if (ret)
1297                 return ret;
1298 
1299         iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_EARLY, NULL);
1300 
1301         mvm->rfkill_safe_init_done = false;
1302         ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_REGULAR);
1303         if (ret)
1304                 return ret;
1305 
1306         mvm->rfkill_safe_init_done = true;
1307 
1308         iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_AFTER_ALIVE,
1309                                NULL);
1310 
1311         return iwl_init_paging(&mvm->fwrt, mvm->fwrt.cur_fw_img);
1312 }
1313 
1314 int iwl_mvm_up(struct iwl_mvm *mvm)
1315 {
1316         int ret, i;
1317         struct ieee80211_channel *chan;
1318         struct cfg80211_chan_def chandef;
1319         struct ieee80211_supported_band *sband = NULL;
1320 
1321         lockdep_assert_held(&mvm->mutex);
1322 
1323         ret = iwl_trans_start_hw(mvm->trans);
1324         if (ret)
1325                 return ret;
1326 
1327         ret = iwl_mvm_load_rt_fw(mvm);
1328         if (ret) {
1329                 IWL_ERR(mvm, "Failed to start RT ucode: %d\n", ret);
1330                 if (ret != -ERFKILL)
1331                         iwl_fw_dbg_error_collect(&mvm->fwrt,
1332                                                  FW_DBG_TRIGGER_DRIVER);
1333                 goto error;
1334         }
1335 
1336         iwl_get_shared_mem_conf(&mvm->fwrt);
1337 
1338         ret = iwl_mvm_sf_update(mvm, NULL, false);
1339         if (ret)
1340                 IWL_ERR(mvm, "Failed to initialize Smart Fifo\n");
1341 
1342         if (!iwl_trans_dbg_ini_valid(mvm->trans)) {
1343                 mvm->fwrt.dump.conf = FW_DBG_INVALID;
1344                 /* if we have a destination, assume EARLY START */
1345                 if (mvm->fw->dbg.dest_tlv)
1346                         mvm->fwrt.dump.conf = FW_DBG_START_FROM_ALIVE;
1347                 iwl_fw_start_dbg_conf(&mvm->fwrt, FW_DBG_START_FROM_ALIVE);
1348         }
1349 
1350         ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm));
1351         if (ret)
1352                 goto error;
1353 
1354         if (!iwl_mvm_has_unified_ucode(mvm)) {
1355                 /* Send phy db control command and then phy db calibration */
1356                 ret = iwl_send_phy_db_data(mvm->phy_db);
1357                 if (ret)
1358                         goto error;
1359         }
1360 
1361         ret = iwl_send_phy_cfg_cmd(mvm);
1362         if (ret)
1363                 goto error;
1364 
1365         ret = iwl_mvm_send_bt_init_conf(mvm);
1366         if (ret)
1367                 goto error;
1368 
1369         /* Init RSS configuration */
1370         if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_22000) {
1371                 ret = iwl_configure_rxq(mvm);
1372                 if (ret) {
1373                         IWL_ERR(mvm, "Failed to configure RX queues: %d\n",
1374                                 ret);
1375                         goto error;
1376                 }
1377         }
1378 
1379         if (iwl_mvm_has_new_rx_api(mvm)) {
1380                 ret = iwl_send_rss_cfg_cmd(mvm);
1381                 if (ret) {
1382                         IWL_ERR(mvm, "Failed to configure RSS queues: %d\n",
1383                                 ret);
1384                         goto error;
1385                 }
1386         }
1387 
1388         /* init the fw <-> mac80211 STA mapping */
1389         for (i = 0; i < ARRAY_SIZE(mvm->fw_id_to_mac_id); i++)
1390                 RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL);
1391 
1392         mvm->tdls_cs.peer.sta_id = IWL_MVM_INVALID_STA;
1393 
1394         /* reset quota debouncing buffer - 0xff will yield invalid data */
1395         memset(&mvm->last_quota_cmd, 0xff, sizeof(mvm->last_quota_cmd));
1396 
1397         if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_DQA_SUPPORT)) {
1398                 ret = iwl_mvm_send_dqa_cmd(mvm);
1399                 if (ret)
1400                         goto error;
1401         }
1402 
1403         /* Add auxiliary station for scanning */
1404         ret = iwl_mvm_add_aux_sta(mvm);
1405         if (ret)
1406                 goto error;
1407 
1408         /* Add all the PHY contexts */
1409         i = 0;
1410         while (!sband && i < NUM_NL80211_BANDS)
1411                 sband = mvm->hw->wiphy->bands[i++];
1412 
1413         if (WARN_ON_ONCE(!sband))
1414                 goto error;
1415 
1416         chan = &sband->channels[0];
1417 
1418         cfg80211_chandef_create(&chandef, chan, NL80211_CHAN_NO_HT);
1419         for (i = 0; i < NUM_PHY_CTX; i++) {
1420                 /*
1421                  * The channel used here isn't relevant as it's
1422                  * going to be overwritten in the other flows.
1423                  * For now use the first channel we have.
1424                  */
1425                 ret = iwl_mvm_phy_ctxt_add(mvm, &mvm->phy_ctxts[i],
1426                                            &chandef, 1, 1);
1427                 if (ret)
1428                         goto error;
1429         }
1430 
1431         if (iwl_mvm_is_tt_in_fw(mvm)) {
1432                 /* in order to give the responsibility of ct-kill and
1433                  * TX backoff to FW we need to send empty temperature reporting
1434                  * cmd during init time
1435                  */
1436                 iwl_mvm_send_temp_report_ths_cmd(mvm);
1437         } else {
1438                 /* Initialize tx backoffs to the minimal possible */
1439                 iwl_mvm_tt_tx_backoff(mvm, 0);
1440         }
1441 
1442 #ifdef CONFIG_THERMAL
1443         /* TODO: read the budget from BIOS / Platform NVM */
1444 
1445         /*
1446          * In case there is no budget from BIOS / Platform NVM the default
1447          * budget should be 2000mW (cooling state 0).
1448          */
1449         if (iwl_mvm_is_ctdp_supported(mvm)) {
1450                 ret = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_START,
1451                                            mvm->cooling_dev.cur_state);
1452                 if (ret)
1453                         goto error;
1454         }
1455 #endif
1456 
1457         if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_SET_LTR_GEN2))
1458                 WARN_ON(iwl_mvm_config_ltr(mvm));
1459 
1460         ret = iwl_mvm_power_update_device(mvm);
1461         if (ret)
1462                 goto error;
1463 
1464         /*
1465          * RTNL is not taken during Ct-kill, but we don't need to scan/Tx
1466          * anyway, so don't init MCC.
1467          */
1468         if (!test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status)) {
1469                 ret = iwl_mvm_init_mcc(mvm);
1470                 if (ret)
1471                         goto error;
1472         }
1473 
1474         if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) {
1475                 mvm->scan_type = IWL_SCAN_TYPE_NOT_SET;
1476                 mvm->hb_scan_type = IWL_SCAN_TYPE_NOT_SET;
1477                 ret = iwl_mvm_config_scan(mvm);
1478                 if (ret)
1479                         goto error;
1480         }
1481 
1482         if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
1483                 iwl_mvm_send_recovery_cmd(mvm, ERROR_RECOVERY_UPDATE_DB);
1484 
1485         if (iwl_acpi_get_eckv(mvm->dev, &mvm->ext_clock_valid))
1486                 IWL_DEBUG_INFO(mvm, "ECKV table doesn't exist in BIOS\n");
1487 
1488         ret = iwl_mvm_ppag_init(mvm);
1489         if (ret)
1490                 goto error;
1491 
1492         ret = iwl_mvm_sar_init(mvm);
1493         if (ret == 0) {
1494                 ret = iwl_mvm_sar_geo_init(mvm);
1495         } else if (ret > 0 && !iwl_mvm_sar_get_wgds_table(mvm)) {
1496                 /*
1497                  * If basic SAR is not available, we check for WGDS,
1498                  * which should *not* be available either.  If it is
1499                  * available, issue an error, because we can't use SAR
1500                  * Geo without basic SAR.
1501                  */
1502                 IWL_ERR(mvm, "BIOS contains WGDS but no WRDS\n");
1503         }
1504 
1505         if (ret < 0)
1506                 goto error;
1507 
1508         iwl_mvm_leds_sync(mvm);
1509 
1510         IWL_DEBUG_INFO(mvm, "RT uCode started.\n");
1511         return 0;
1512  error:
1513         if (!iwlmvm_mod_params.init_dbg || !ret)
1514                 iwl_mvm_stop_device(mvm);
1515         return ret;
1516 }
1517 
1518 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm)
1519 {
1520         int ret, i;
1521 
1522         lockdep_assert_held(&mvm->mutex);
1523 
1524         ret = iwl_trans_start_hw(mvm->trans);
1525         if (ret)
1526                 return ret;
1527 
1528         ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_WOWLAN);
1529         if (ret) {
1530                 IWL_ERR(mvm, "Failed to start WoWLAN firmware: %d\n", ret);
1531                 goto error;
1532         }
1533 
1534         ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm));
1535         if (ret)
1536                 goto error;
1537 
1538         /* Send phy db control command and then phy db calibration*/
1539         ret = iwl_send_phy_db_data(mvm->phy_db);
1540         if (ret)
1541                 goto error;
1542 
1543         ret = iwl_send_phy_cfg_cmd(mvm);
1544         if (ret)
1545                 goto error;
1546 
1547         /* init the fw <-> mac80211 STA mapping */
1548         for (i = 0; i < ARRAY_SIZE(mvm->fw_id_to_mac_id); i++)
1549                 RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL);
1550 
1551         /* Add auxiliary station for scanning */
1552         ret = iwl_mvm_add_aux_sta(mvm);
1553         if (ret)
1554                 goto error;
1555 
1556         return 0;
1557  error:
1558         iwl_mvm_stop_device(mvm);
1559         return ret;
1560 }
1561 
1562 void iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
1563                                  struct iwl_rx_cmd_buffer *rxb)
1564 {
1565         struct iwl_rx_packet *pkt = rxb_addr(rxb);
1566         struct iwl_card_state_notif *card_state_notif = (void *)pkt->data;
1567         u32 flags = le32_to_cpu(card_state_notif->flags);
1568 
1569         IWL_DEBUG_RF_KILL(mvm, "Card state received: HW:%s SW:%s CT:%s\n",
1570                           (flags & HW_CARD_DISABLED) ? "Kill" : "On",
1571                           (flags & SW_CARD_DISABLED) ? "Kill" : "On",
1572                           (flags & CT_KILL_CARD_DISABLED) ?
1573                           "Reached" : "Not reached");
1574 }
1575 
1576 void iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm,
1577                              struct iwl_rx_cmd_buffer *rxb)
1578 {
1579         struct iwl_rx_packet *pkt = rxb_addr(rxb);
1580         struct iwl_mfuart_load_notif *mfuart_notif = (void *)pkt->data;
1581 
1582         IWL_DEBUG_INFO(mvm,
1583                        "MFUART: installed ver: 0x%08x, external ver: 0x%08x, status: 0x%08x, duration: 0x%08x\n",
1584                        le32_to_cpu(mfuart_notif->installed_ver),
1585                        le32_to_cpu(mfuart_notif->external_ver),
1586                        le32_to_cpu(mfuart_notif->status),
1587                        le32_to_cpu(mfuart_notif->duration));
1588 
1589         if (iwl_rx_packet_payload_len(pkt) == sizeof(*mfuart_notif))
1590                 IWL_DEBUG_INFO(mvm,
1591                                "MFUART: image size: 0x%08x\n",
1592                                le32_to_cpu(mfuart_notif->image_size));
1593 }
/* [<][>][^][v][top][bottom][index][help] */
root/drivers/net/wireless/intel/iwlwifi/mvm/fw.c

DEFINITIONS
