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

   1 /******************************************************************************
   2  *
   3  * This file is provided under a dual BSD/GPLv2 license.  When using or
   4  * redistributing this file, you may do so under either license.
   5  *
   6  * GPL LICENSE SUMMARY
   7  *
   8  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
   9  * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
  10  * Copyright(c) 2016 Intel Deutschland GmbH
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of version 2 of the GNU General Public License as
  14  * published by the Free Software Foundation.
  15  *
  16  * This program is distributed in the hope that it will be useful, but
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  34  *
  35  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
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  50  *    contributors may be used to endorse or promote products derived
  51  *    from this software without specific prior written permission.
  52  *
  53  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  54  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  55  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  56  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  57  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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  63  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  64  *
  65  *****************************************************************************/
  66 #include <net/mac80211.h>
  67 #include <linux/netdevice.h>
  68 #include <linux/acpi.h>
  69
  70 #include "iwl-trans.h"
  71 #include "iwl-op-mode.h"
  72 #include "iwl-fw.h"
  73 #include "iwl-debug.h"
  74 #include "iwl-csr.h" /* for iwl_mvm_rx_card_state_notif */
  75 #include "iwl-io.h" /* for iwl_mvm_rx_card_state_notif */
  76 #include "iwl-prph.h"
  77 #include "iwl-eeprom-parse.h"
  78
  79 #include "mvm.h"
  80 #include "fw-dbg.h"
  81 #include "iwl-phy-db.h"
  82
  83 #define MVM_UCODE_ALIVE_TIMEOUT HZ
  84 #define MVM_UCODE_CALIB_TIMEOUT (2*HZ)
  85
  86 #define UCODE_VALID_OK  cpu_to_le32(0x1)
  87
  88 struct iwl_mvm_alive_data {
  89         bool valid;
  90         u32 scd_base_addr;
  91 };
  92
  93 static inline const struct fw_img *
  94 iwl_get_ucode_image(struct iwl_mvm *mvm, enum iwl_ucode_type ucode_type)
  95 {
  96         if (ucode_type >= IWL_UCODE_TYPE_MAX)
  97                 return NULL;
  98
  99         return &mvm->fw->img[ucode_type];
 100 }
 101
 102 static int iwl_send_tx_ant_cfg(struct iwl_mvm *mvm, u8 valid_tx_ant)
 103 {
 104         struct iwl_tx_ant_cfg_cmd tx_ant_cmd = {
 105                 .valid = cpu_to_le32(valid_tx_ant),
 106         };
 107
 108         IWL_DEBUG_FW(mvm, "select valid tx ant: %u\n", valid_tx_ant);
 109         return iwl_mvm_send_cmd_pdu(mvm, TX_ANT_CONFIGURATION_CMD, 0,
 110                                     sizeof(tx_ant_cmd), &tx_ant_cmd);
 111 }
 112
 113 static int iwl_send_rss_cfg_cmd(struct iwl_mvm *mvm)
 114 {
 115         int i;
 116         struct iwl_rss_config_cmd cmd = {
 117                 .flags = cpu_to_le32(IWL_RSS_ENABLE),
 118                 .hash_mask = IWL_RSS_HASH_TYPE_IPV4_TCP |
 119                              IWL_RSS_HASH_TYPE_IPV4_UDP |
 120                              IWL_RSS_HASH_TYPE_IPV4_PAYLOAD |
 121                              IWL_RSS_HASH_TYPE_IPV6_TCP |
 122                              IWL_RSS_HASH_TYPE_IPV6_UDP |
 123                              IWL_RSS_HASH_TYPE_IPV6_PAYLOAD,
 124         };
 125
 126         if (mvm->trans->num_rx_queues == 1)
 127                 return 0;
 128
 129         /* Do not direct RSS traffic to Q 0 which is our fallback queue */
 130         for (i = 0; i < ARRAY_SIZE(cmd.indirection_table); i++)
 131                 cmd.indirection_table[i] =
 132                         1 + (i % (mvm->trans->num_rx_queues - 1));
 133         netdev_rss_key_fill(cmd.secret_key, sizeof(cmd.secret_key));
 134
 135         return iwl_mvm_send_cmd_pdu(mvm, RSS_CONFIG_CMD, 0, sizeof(cmd), &cmd);
 136 }
 137
 138 static int iwl_mvm_send_dqa_cmd(struct iwl_mvm *mvm)
 139 {
 140         struct iwl_dqa_enable_cmd dqa_cmd = {
 141                 .cmd_queue = cpu_to_le32(IWL_MVM_DQA_CMD_QUEUE),
 142         };
 143         u32 cmd_id = iwl_cmd_id(DQA_ENABLE_CMD, DATA_PATH_GROUP, 0);
 144         int ret;
 145
 146         ret = iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, sizeof(dqa_cmd), &dqa_cmd);
 147         if (ret)
 148                 IWL_ERR(mvm, "Failed to send DQA enabling command: %d\n", ret);
 149         else
 150                 IWL_DEBUG_FW(mvm, "Working in DQA mode\n");
 151
 152         return ret;
 153 }
 154
 155 void iwl_free_fw_paging(struct iwl_mvm *mvm)
 156 {
 157         int i;
 158
 159         if (!mvm->fw_paging_db[0].fw_paging_block)
 160                 return;
 161
 162         for (i = 0; i < NUM_OF_FW_PAGING_BLOCKS; i++) {
 163                 struct iwl_fw_paging *paging = &mvm->fw_paging_db[i];
 164
 165                 if (!paging->fw_paging_block) {
 166                         IWL_DEBUG_FW(mvm,
 167                                      "Paging: block %d already freed, continue to next page\n",
 168                                      i);
 169
 170                         continue;
 171                 }
 172                 dma_unmap_page(mvm->trans->dev, paging->fw_paging_phys,
 173                                paging->fw_paging_size, DMA_BIDIRECTIONAL);
 174
 175                 __free_pages(paging->fw_paging_block,
 176                              get_order(paging->fw_paging_size));
 177                 paging->fw_paging_block = NULL;
 178         }
 179         kfree(mvm->trans->paging_download_buf);
 180         mvm->trans->paging_download_buf = NULL;
 181         mvm->trans->paging_db = NULL;
 182
 183         memset(mvm->fw_paging_db, 0, sizeof(mvm->fw_paging_db));
 184 }
 185
 186 static int iwl_fill_paging_mem(struct iwl_mvm *mvm, const struct fw_img *image)
 187 {
 188         int sec_idx, idx;
 189         u32 offset = 0;
 190
 191         /*
 192          * find where is the paging image start point:
 193          * if CPU2 exist and it's in paging format, then the image looks like:
 194          * CPU1 sections (2 or more)
 195          * CPU1_CPU2_SEPARATOR_SECTION delimiter - separate between CPU1 to CPU2
 196          * CPU2 sections (not paged)
 197          * PAGING_SEPARATOR_SECTION delimiter - separate between CPU2
 198          * non paged to CPU2 paging sec
 199          * CPU2 paging CSS
 200          * CPU2 paging image (including instruction and data)
 201          */
 202         for (sec_idx = 0; sec_idx < IWL_UCODE_SECTION_MAX; sec_idx++) {
 203                 if (image->sec[sec_idx].offset == PAGING_SEPARATOR_SECTION) {
 204                         sec_idx++;
 205                         break;
 206                 }
 207         }
 208
 209         /*
 210          * If paging is enabled there should be at least 2 more sections left
 211          * (one for CSS and one for Paging data)
 212          */
 213         if (sec_idx >= ARRAY_SIZE(image->sec) - 1) {
 214                 IWL_ERR(mvm, "Paging: Missing CSS and/or paging sections\n");
 215                 iwl_free_fw_paging(mvm);
 216                 return -EINVAL;
 217         }
 218
 219         /* copy the CSS block to the dram */
 220         IWL_DEBUG_FW(mvm, "Paging: load paging CSS to FW, sec = %d\n",
 221                      sec_idx);
 222
 223         memcpy(page_address(mvm->fw_paging_db[0].fw_paging_block),
 224                image->sec[sec_idx].data,
 225                mvm->fw_paging_db[0].fw_paging_size);
 226
 227         IWL_DEBUG_FW(mvm,
 228                      "Paging: copied %d CSS bytes to first block\n",
 229                      mvm->fw_paging_db[0].fw_paging_size);
 230
 231         sec_idx++;
 232
 233         /*
 234          * copy the paging blocks to the dram
 235          * loop index start from 1 since that CSS block already copied to dram
 236          * and CSS index is 0.
 237          * loop stop at num_of_paging_blk since that last block is not full.
 238          */
 239         for (idx = 1; idx < mvm->num_of_paging_blk; idx++) {
 240                 memcpy(page_address(mvm->fw_paging_db[idx].fw_paging_block),
 241                        image->sec[sec_idx].data + offset,
 242                        mvm->fw_paging_db[idx].fw_paging_size);
 243
 244                 IWL_DEBUG_FW(mvm,
 245                              "Paging: copied %d paging bytes to block %d\n",
 246                              mvm->fw_paging_db[idx].fw_paging_size,
 247                              idx);
 248
 249                 offset += mvm->fw_paging_db[idx].fw_paging_size;
 250         }
 251
 252         /* copy the last paging block */
 253         if (mvm->num_of_pages_in_last_blk > 0) {
 254                 memcpy(page_address(mvm->fw_paging_db[idx].fw_paging_block),
 255                        image->sec[sec_idx].data + offset,
 256                        FW_PAGING_SIZE * mvm->num_of_pages_in_last_blk);
 257
 258                 IWL_DEBUG_FW(mvm,
 259                              "Paging: copied %d pages in the last block %d\n",
 260                              mvm->num_of_pages_in_last_blk, idx);
 261         }
 262
 263         return 0;
 264 }
 265
 266 static int iwl_alloc_fw_paging_mem(struct iwl_mvm *mvm,
 267                                    const struct fw_img *image)
 268 {
 269         struct page *block;
 270         dma_addr_t phys = 0;
 271         int blk_idx = 0;
 272         int order, num_of_pages;
 273         int dma_enabled;
 274
 275         if (mvm->fw_paging_db[0].fw_paging_block)
 276                 return 0;
 277
 278         dma_enabled = is_device_dma_capable(mvm->trans->dev);
 279
 280         /* ensure BLOCK_2_EXP_SIZE is power of 2 of PAGING_BLOCK_SIZE */
 281         BUILD_BUG_ON(BIT(BLOCK_2_EXP_SIZE) != PAGING_BLOCK_SIZE);
 282
 283         num_of_pages = image->paging_mem_size / FW_PAGING_SIZE;
 284         mvm->num_of_paging_blk = ((num_of_pages - 1) /
 285                                     NUM_OF_PAGE_PER_GROUP) + 1;
 286
 287         mvm->num_of_pages_in_last_blk =
 288                 num_of_pages -
 289                 NUM_OF_PAGE_PER_GROUP * (mvm->num_of_paging_blk - 1);
 290
 291         IWL_DEBUG_FW(mvm,
 292                      "Paging: allocating mem for %d paging blocks, each block holds 8 pages, last block holds %d pages\n",
 293                      mvm->num_of_paging_blk,
 294                      mvm->num_of_pages_in_last_blk);
 295
 296         /* allocate block of 4Kbytes for paging CSS */
 297         order = get_order(FW_PAGING_SIZE);
 298         block = alloc_pages(GFP_KERNEL, order);
 299         if (!block) {
 300                 /* free all the previous pages since we failed */
 301                 iwl_free_fw_paging(mvm);
 302                 return -ENOMEM;
 303         }
 304
 305         mvm->fw_paging_db[blk_idx].fw_paging_block = block;
 306         mvm->fw_paging_db[blk_idx].fw_paging_size = FW_PAGING_SIZE;
 307
 308         if (dma_enabled) {
 309                 phys = dma_map_page(mvm->trans->dev, block, 0,
 310                                     PAGE_SIZE << order, DMA_BIDIRECTIONAL);
 311                 if (dma_mapping_error(mvm->trans->dev, phys)) {
 312                         /*
 313                          * free the previous pages and the current one since
 314                          * we failed to map_page.
 315                          */
 316                         iwl_free_fw_paging(mvm);
 317                         return -ENOMEM;
 318                 }
 319                 mvm->fw_paging_db[blk_idx].fw_paging_phys = phys;
 320         } else {
 321                 mvm->fw_paging_db[blk_idx].fw_paging_phys = PAGING_ADDR_SIG |
 322                         blk_idx << BLOCK_2_EXP_SIZE;
 323         }
 324
 325         IWL_DEBUG_FW(mvm,
 326                      "Paging: allocated 4K(CSS) bytes (order %d) for firmware paging.\n",
 327                      order);
 328
 329         /*
 330          * allocate blocks in dram.
 331          * since that CSS allocated in fw_paging_db[0] loop start from index 1
 332          */
 333         for (blk_idx = 1; blk_idx < mvm->num_of_paging_blk + 1; blk_idx++) {
 334                 /* allocate block of PAGING_BLOCK_SIZE (32K) */
 335                 order = get_order(PAGING_BLOCK_SIZE);
 336                 block = alloc_pages(GFP_KERNEL, order);
 337                 if (!block) {
 338                         /* free all the previous pages since we failed */
 339                         iwl_free_fw_paging(mvm);
 340                         return -ENOMEM;
 341                 }
 342
 343                 mvm->fw_paging_db[blk_idx].fw_paging_block = block;
 344                 mvm->fw_paging_db[blk_idx].fw_paging_size = PAGING_BLOCK_SIZE;
 345
 346                 if (dma_enabled) {
 347                         phys = dma_map_page(mvm->trans->dev, block, 0,
 348                                             PAGE_SIZE << order,
 349                                             DMA_BIDIRECTIONAL);
 350                         if (dma_mapping_error(mvm->trans->dev, phys)) {
 351                                 /*
 352                                  * free the previous pages and the current one
 353                                  * since we failed to map_page.
 354                                  */
 355                                 iwl_free_fw_paging(mvm);
 356                                 return -ENOMEM;
 357                         }
 358                         mvm->fw_paging_db[blk_idx].fw_paging_phys = phys;
 359                 } else {
 360                         mvm->fw_paging_db[blk_idx].fw_paging_phys =
 361                                 PAGING_ADDR_SIG |
 362                                 blk_idx << BLOCK_2_EXP_SIZE;
 363                 }
 364
 365                 IWL_DEBUG_FW(mvm,
 366                              "Paging: allocated 32K bytes (order %d) for firmware paging.\n",
 367                              order);
 368         }
 369
 370         return 0;
 371 }
 372
 373 static int iwl_save_fw_paging(struct iwl_mvm *mvm,
 374                               const struct fw_img *fw)
 375 {
 376         int ret;
 377
 378         ret = iwl_alloc_fw_paging_mem(mvm, fw);
 379         if (ret)
 380                 return ret;
 381
 382         return iwl_fill_paging_mem(mvm, fw);
 383 }
 384
 385 /* send paging cmd to FW in case CPU2 has paging image */
 386 static int iwl_send_paging_cmd(struct iwl_mvm *mvm, const struct fw_img *fw)
 387 {
 388         struct iwl_fw_paging_cmd paging_cmd = {
 389                 .flags =
 390                         cpu_to_le32(PAGING_CMD_IS_SECURED |
 391                                     PAGING_CMD_IS_ENABLED |
 392                                     (mvm->num_of_pages_in_last_blk <<
 393                                     PAGING_CMD_NUM_OF_PAGES_IN_LAST_GRP_POS)),
 394                 .block_size = cpu_to_le32(BLOCK_2_EXP_SIZE),
 395                 .block_num = cpu_to_le32(mvm->num_of_paging_blk),
 396         };
 397         int blk_idx, size = sizeof(paging_cmd);
 398
 399         /* A bit hard coded - but this is the old API and will be deprecated */
 400         if (!iwl_mvm_has_new_tx_api(mvm))
 401                 size -= NUM_OF_FW_PAGING_BLOCKS * 4;
 402
 403         /* loop for for all paging blocks + CSS block */
 404         for (blk_idx = 0; blk_idx < mvm->num_of_paging_blk + 1; blk_idx++) {
 405                 dma_addr_t addr = mvm->fw_paging_db[blk_idx].fw_paging_phys;
 406
 407                 addr = addr >> PAGE_2_EXP_SIZE;
 408
 409                 if (iwl_mvm_has_new_tx_api(mvm)) {
 410                         __le64 phy_addr = cpu_to_le64(addr);
 411
 412                         paging_cmd.device_phy_addr.addr64[blk_idx] = phy_addr;
 413                 } else {
 414                         __le32 phy_addr = cpu_to_le32(addr);
 415
 416                         paging_cmd.device_phy_addr.addr32[blk_idx] = phy_addr;
 417                 }
 418         }
 419
 420         return iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(FW_PAGING_BLOCK_CMD,
 421                                                     IWL_ALWAYS_LONG_GROUP, 0),
 422                                     0, size, &paging_cmd);
 423 }
 424
 425 /*
 426  * Send paging item cmd to FW in case CPU2 has paging image
 427  */
 428 static int iwl_trans_get_paging_item(struct iwl_mvm *mvm)
 429 {
 430         int ret;
 431         struct iwl_fw_get_item_cmd fw_get_item_cmd = {
 432                 .item_id = cpu_to_le32(IWL_FW_ITEM_ID_PAGING),
 433         };
 434
 435         struct iwl_fw_get_item_resp *item_resp;
 436         struct iwl_host_cmd cmd = {
 437                 .id = iwl_cmd_id(FW_GET_ITEM_CMD, IWL_ALWAYS_LONG_GROUP, 0),
 438                 .flags = CMD_WANT_SKB | CMD_SEND_IN_RFKILL,
 439                 .data = { &fw_get_item_cmd, },
 440         };
 441
 442         cmd.len[0] = sizeof(struct iwl_fw_get_item_cmd);
 443
 444         ret = iwl_mvm_send_cmd(mvm, &cmd);
 445         if (ret) {
 446                 IWL_ERR(mvm,
 447                         "Paging: Failed to send FW_GET_ITEM_CMD cmd (err = %d)\n",
 448                         ret);
 449                 return ret;
 450         }
 451
 452         item_resp = (void *)((struct iwl_rx_packet *)cmd.resp_pkt)->data;
 453         if (item_resp->item_id != cpu_to_le32(IWL_FW_ITEM_ID_PAGING)) {
 454                 IWL_ERR(mvm,
 455                         "Paging: got wrong item in FW_GET_ITEM_CMD resp (item_id = %u)\n",
 456                         le32_to_cpu(item_resp->item_id));
 457                 ret = -EIO;
 458                 goto exit;
 459         }
 460
 461         /* Add an extra page for headers */
 462         mvm->trans->paging_download_buf = kzalloc(PAGING_BLOCK_SIZE +
 463                                                   FW_PAGING_SIZE,
 464                                                   GFP_KERNEL);
 465         if (!mvm->trans->paging_download_buf) {
 466                 ret = -ENOMEM;
 467                 goto exit;
 468         }
 469         mvm->trans->paging_req_addr = le32_to_cpu(item_resp->item_val);
 470         mvm->trans->paging_db = mvm->fw_paging_db;
 471         IWL_DEBUG_FW(mvm,
 472                      "Paging: got paging request address (paging_req_addr 0x%08x)\n",
 473                      mvm->trans->paging_req_addr);
 474
 475 exit:
 476         iwl_free_resp(&cmd);
 477
 478         return ret;
 479 }
 480
 481 static bool iwl_alive_fn(struct iwl_notif_wait_data *notif_wait,
 482                          struct iwl_rx_packet *pkt, void *data)
 483 {
 484         struct iwl_mvm *mvm =
 485                 container_of(notif_wait, struct iwl_mvm, notif_wait);
 486         struct iwl_mvm_alive_data *alive_data = data;
 487         struct mvm_alive_resp_ver1 *palive1;
 488         struct mvm_alive_resp_ver2 *palive2;
 489         struct mvm_alive_resp *palive;
 490
 491         if (iwl_rx_packet_payload_len(pkt) == sizeof(*palive1)) {
 492                 palive1 = (void *)pkt->data;
 493
 494                 mvm->support_umac_log = false;
 495                 mvm->error_event_table =
 496                         le32_to_cpu(palive1->error_event_table_ptr);
 497                 mvm->log_event_table =
 498                         le32_to_cpu(palive1->log_event_table_ptr);
 499                 alive_data->scd_base_addr = le32_to_cpu(palive1->scd_base_ptr);
 500
 501                 alive_data->valid = le16_to_cpu(palive1->status) ==
 502                                     IWL_ALIVE_STATUS_OK;
 503                 IWL_DEBUG_FW(mvm,
 504                              "Alive VER1 ucode status 0x%04x revision 0x%01X 0x%01X flags 0x%01X\n",
 505                              le16_to_cpu(palive1->status), palive1->ver_type,
 506                              palive1->ver_subtype, palive1->flags);
 507         } else if (iwl_rx_packet_payload_len(pkt) == sizeof(*palive2)) {
 508                 palive2 = (void *)pkt->data;
 509
 510                 mvm->error_event_table =
 511                         le32_to_cpu(palive2->error_event_table_ptr);
 512                 mvm->log_event_table =
 513                         le32_to_cpu(palive2->log_event_table_ptr);
 514                 alive_data->scd_base_addr = le32_to_cpu(palive2->scd_base_ptr);
 515                 mvm->umac_error_event_table =
 516                         le32_to_cpu(palive2->error_info_addr);
 517                 mvm->sf_space.addr = le32_to_cpu(palive2->st_fwrd_addr);
 518                 mvm->sf_space.size = le32_to_cpu(palive2->st_fwrd_size);
 519
 520                 alive_data->valid = le16_to_cpu(palive2->status) ==
 521                                     IWL_ALIVE_STATUS_OK;
 522                 if (mvm->umac_error_event_table)
 523                         mvm->support_umac_log = true;
 524
 525                 IWL_DEBUG_FW(mvm,
 526                              "Alive VER2 ucode status 0x%04x revision 0x%01X 0x%01X flags 0x%01X\n",
 527                              le16_to_cpu(palive2->status), palive2->ver_type,
 528                              palive2->ver_subtype, palive2->flags);
 529
 530                 IWL_DEBUG_FW(mvm,
 531                              "UMAC version: Major - 0x%x, Minor - 0x%x\n",
 532                              palive2->umac_major, palive2->umac_minor);
 533         } else if (iwl_rx_packet_payload_len(pkt) == sizeof(*palive)) {
 534                 palive = (void *)pkt->data;
 535
 536                 mvm->error_event_table =
 537                         le32_to_cpu(palive->error_event_table_ptr);
 538                 mvm->log_event_table =
 539                         le32_to_cpu(palive->log_event_table_ptr);
 540                 alive_data->scd_base_addr = le32_to_cpu(palive->scd_base_ptr);
 541                 mvm->umac_error_event_table =
 542                         le32_to_cpu(palive->error_info_addr);
 543                 mvm->sf_space.addr = le32_to_cpu(palive->st_fwrd_addr);
 544                 mvm->sf_space.size = le32_to_cpu(palive->st_fwrd_size);
 545
 546                 alive_data->valid = le16_to_cpu(palive->status) ==
 547                                     IWL_ALIVE_STATUS_OK;
 548                 if (mvm->umac_error_event_table)
 549                         mvm->support_umac_log = true;
 550
 551                 IWL_DEBUG_FW(mvm,
 552                              "Alive VER3 ucode status 0x%04x revision 0x%01X 0x%01X flags 0x%01X\n",
 553                              le16_to_cpu(palive->status), palive->ver_type,
 554                              palive->ver_subtype, palive->flags);
 555
 556                 IWL_DEBUG_FW(mvm,
 557                              "UMAC version: Major - 0x%x, Minor - 0x%x\n",
 558                              le32_to_cpu(palive->umac_major),
 559                              le32_to_cpu(palive->umac_minor));
 560         }
 561
 562         return true;
 563 }
 564
 565 static bool iwl_wait_phy_db_entry(struct iwl_notif_wait_data *notif_wait,
 566                                   struct iwl_rx_packet *pkt, void *data)
 567 {
 568         struct iwl_phy_db *phy_db = data;
 569
 570         if (pkt->hdr.cmd != CALIB_RES_NOTIF_PHY_DB) {
 571                 WARN_ON(pkt->hdr.cmd != INIT_COMPLETE_NOTIF);
 572                 return true;
 573         }
 574
 575         WARN_ON(iwl_phy_db_set_section(phy_db, pkt));
 576
 577         return false;
 578 }
 579
 580 static int iwl_mvm_load_ucode_wait_alive(struct iwl_mvm *mvm,
 581                                          enum iwl_ucode_type ucode_type)
 582 {
 583         struct iwl_notification_wait alive_wait;
 584         struct iwl_mvm_alive_data alive_data;
 585         const struct fw_img *fw;
 586         int ret, i;
 587         enum iwl_ucode_type old_type = mvm->cur_ucode;
 588         static const u16 alive_cmd[] = { MVM_ALIVE };
 589         struct iwl_sf_region st_fwrd_space;
 590
 591         if (ucode_type == IWL_UCODE_REGULAR &&
 592             iwl_fw_dbg_conf_usniffer(mvm->fw, FW_DBG_START_FROM_ALIVE) &&
 593             !(fw_has_capa(&mvm->fw->ucode_capa,
 594                           IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED)))
 595                 fw = iwl_get_ucode_image(mvm, IWL_UCODE_REGULAR_USNIFFER);
 596         else
 597                 fw = iwl_get_ucode_image(mvm, ucode_type);
 598         if (WARN_ON(!fw))
 599                 return -EINVAL;
 600         mvm->cur_ucode = ucode_type;
 601         mvm->ucode_loaded = false;
 602
 603         iwl_init_notification_wait(&mvm->notif_wait, &alive_wait,
 604                                    alive_cmd, ARRAY_SIZE(alive_cmd),
 605                                    iwl_alive_fn, &alive_data);
 606
 607         ret = iwl_trans_start_fw(mvm->trans, fw, ucode_type == IWL_UCODE_INIT);
 608         if (ret) {
 609                 mvm->cur_ucode = old_type;
 610                 iwl_remove_notification(&mvm->notif_wait, &alive_wait);
 611                 return ret;
 612         }
 613
 614         /*
 615          * Some things may run in the background now, but we
 616          * just wait for the ALIVE notification here.
 617          */
 618         ret = iwl_wait_notification(&mvm->notif_wait, &alive_wait,
 619                                     MVM_UCODE_ALIVE_TIMEOUT);
 620         if (ret) {
 621                 if (mvm->trans->cfg->device_family == IWL_DEVICE_FAMILY_8000)
 622                         IWL_ERR(mvm,
 623                                 "SecBoot CPU1 Status: 0x%x, CPU2 Status: 0x%x\n",
 624                                 iwl_read_prph(mvm->trans, SB_CPU_1_STATUS),
 625                                 iwl_read_prph(mvm->trans, SB_CPU_2_STATUS));
 626                 mvm->cur_ucode = old_type;
 627                 return ret;
 628         }
 629
 630         if (!alive_data.valid) {
 631                 IWL_ERR(mvm, "Loaded ucode is not valid!\n");
 632                 mvm->cur_ucode = old_type;
 633                 return -EIO;
 634         }
 635
 636         /*
 637          * update the sdio allocation according to the pointer we get in the
 638          * alive notification.
 639          */
 640         st_fwrd_space.addr = mvm->sf_space.addr;
 641         st_fwrd_space.size = mvm->sf_space.size;
 642         ret = iwl_trans_update_sf(mvm->trans, &st_fwrd_space);
 643         if (ret) {
 644                 IWL_ERR(mvm, "Failed to update SF size. ret %d\n", ret);
 645                 return ret;
 646         }
 647
 648         iwl_trans_fw_alive(mvm->trans, alive_data.scd_base_addr);
 649
 650         /*
 651          * configure and operate fw paging mechanism.
 652          * driver configures the paging flow only once, CPU2 paging image
 653          * included in the IWL_UCODE_INIT image.
 654          */
 655         if (fw->paging_mem_size) {
 656                 /*
 657                  * When dma is not enabled, the driver needs to copy / write
 658                  * the downloaded / uploaded page to / from the smem.
 659                  * This gets the location of the place were the pages are
 660                  * stored.
 661                  */
 662                 if (!is_device_dma_capable(mvm->trans->dev)) {
 663                         ret = iwl_trans_get_paging_item(mvm);
 664                         if (ret) {
 665                                 IWL_ERR(mvm, "failed to get FW paging item\n");
 666                                 return ret;
 667                         }
 668                 }
 669
 670                 ret = iwl_save_fw_paging(mvm, fw);
 671                 if (ret) {
 672                         IWL_ERR(mvm, "failed to save the FW paging image\n");
 673                         return ret;
 674                 }
 675
 676                 ret = iwl_send_paging_cmd(mvm, fw);
 677                 if (ret) {
 678                         IWL_ERR(mvm, "failed to send the paging cmd\n");
 679                         iwl_free_fw_paging(mvm);
 680                         return ret;
 681                 }
 682         }
 683
 684         /*
 685          * Note: all the queues are enabled as part of the interface
 686          * initialization, but in firmware restart scenarios they
 687          * could be stopped, so wake them up. In firmware restart,
 688          * mac80211 will have the queues stopped as well until the
 689          * reconfiguration completes. During normal startup, they
 690          * will be empty.
 691          */
 692
 693         memset(&mvm->queue_info, 0, sizeof(mvm->queue_info));
 694         if (iwl_mvm_is_dqa_supported(mvm))
 695                 mvm->queue_info[IWL_MVM_DQA_CMD_QUEUE].hw_queue_refcount = 1;
 696         else
 697                 mvm->queue_info[IWL_MVM_CMD_QUEUE].hw_queue_refcount = 1;
 698
 699         for (i = 0; i < IEEE80211_MAX_QUEUES; i++)
 700                 atomic_set(&mvm->mac80211_queue_stop_count[i], 0);
 701
 702         mvm->ucode_loaded = true;
 703
 704         return 0;
 705 }
 706
 707 static int iwl_send_phy_cfg_cmd(struct iwl_mvm *mvm)
 708 {
 709         struct iwl_phy_cfg_cmd phy_cfg_cmd;
 710         enum iwl_ucode_type ucode_type = mvm->cur_ucode;
 711
 712         /* Set parameters */
 713         phy_cfg_cmd.phy_cfg = cpu_to_le32(iwl_mvm_get_phy_config(mvm));
 714         phy_cfg_cmd.calib_control.event_trigger =
 715                 mvm->fw->default_calib[ucode_type].event_trigger;
 716         phy_cfg_cmd.calib_control.flow_trigger =
 717                 mvm->fw->default_calib[ucode_type].flow_trigger;
 718
 719         IWL_DEBUG_INFO(mvm, "Sending Phy CFG command: 0x%x\n",
 720                        phy_cfg_cmd.phy_cfg);
 721
 722         return iwl_mvm_send_cmd_pdu(mvm, PHY_CONFIGURATION_CMD, 0,
 723                                     sizeof(phy_cfg_cmd), &phy_cfg_cmd);
 724 }
 725
 726 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm)
 727 {
 728         struct iwl_notification_wait calib_wait;
 729         static const u16 init_complete[] = {
 730                 INIT_COMPLETE_NOTIF,
 731                 CALIB_RES_NOTIF_PHY_DB
 732         };
 733         int ret;
 734
 735         lockdep_assert_held(&mvm->mutex);
 736
 737         if (WARN_ON_ONCE(mvm->calibrating))
 738                 return 0;
 739
 740         iwl_init_notification_wait(&mvm->notif_wait,
 741                                    &calib_wait,
 742                                    init_complete,
 743                                    ARRAY_SIZE(init_complete),
 744                                    iwl_wait_phy_db_entry,
 745                                    mvm->phy_db);
 746
 747         /* Will also start the device */
 748         ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_INIT);
 749         if (ret) {
 750                 IWL_ERR(mvm, "Failed to start INIT ucode: %d\n", ret);
 751                 goto error;
 752         }
 753
 754         ret = iwl_send_bt_init_conf(mvm);
 755         if (ret)
 756                 goto error;
 757
 758         /* Read the NVM only at driver load time, no need to do this twice */
 759         if (read_nvm) {
 760                 /* Read nvm */
 761                 ret = iwl_nvm_init(mvm, true);
 762                 if (ret) {
 763                         IWL_ERR(mvm, "Failed to read NVM: %d\n", ret);
 764                         goto error;
 765                 }
 766         }
 767
 768         /* In case we read the NVM from external file, load it to the NIC */
 769         if (mvm->nvm_file_name)
 770                 iwl_mvm_load_nvm_to_nic(mvm);
 771
 772         ret = iwl_nvm_check_version(mvm->nvm_data, mvm->trans);
 773         WARN_ON(ret);
 774
 775         /*
 776          * abort after reading the nvm in case RF Kill is on, we will complete
 777          * the init seq later when RF kill will switch to off
 778          */
 779         if (iwl_mvm_is_radio_hw_killed(mvm)) {
 780                 IWL_DEBUG_RF_KILL(mvm,
 781                                   "jump over all phy activities due to RF kill\n");
 782                 iwl_remove_notification(&mvm->notif_wait, &calib_wait);
 783                 ret = 1;
 784                 goto out;
 785         }
 786
 787         mvm->calibrating = true;
 788
 789         /* Send TX valid antennas before triggering calibrations */
 790         ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm));
 791         if (ret)
 792                 goto error;
 793
 794         /*
 795          * Send phy configurations command to init uCode
 796          * to start the 16.0 uCode init image internal calibrations.
 797          */
 798         ret = iwl_send_phy_cfg_cmd(mvm);
 799         if (ret) {
 800                 IWL_ERR(mvm, "Failed to run INIT calibrations: %d\n",
 801                         ret);
 802                 goto error;
 803         }
 804
 805         /*
 806          * Some things may run in the background now, but we
 807          * just wait for the calibration complete notification.
 808          */
 809         ret = iwl_wait_notification(&mvm->notif_wait, &calib_wait,
 810                         MVM_UCODE_CALIB_TIMEOUT);
 811
 812         if (ret && iwl_mvm_is_radio_hw_killed(mvm)) {
 813                 IWL_DEBUG_RF_KILL(mvm, "RFKILL while calibrating.\n");
 814                 ret = 1;
 815         }
 816         goto out;
 817
 818 error:
 819         iwl_remove_notification(&mvm->notif_wait, &calib_wait);
 820 out:
 821         mvm->calibrating = false;
 822         if (iwlmvm_mod_params.init_dbg && !mvm->nvm_data) {
 823                 /* we want to debug INIT and we have no NVM - fake */
 824                 mvm->nvm_data = kzalloc(sizeof(struct iwl_nvm_data) +
 825                                         sizeof(struct ieee80211_channel) +
 826                                         sizeof(struct ieee80211_rate),
 827                                         GFP_KERNEL);
 828                 if (!mvm->nvm_data)
 829                         return -ENOMEM;
 830                 mvm->nvm_data->bands[0].channels = mvm->nvm_data->channels;
 831                 mvm->nvm_data->bands[0].n_channels = 1;
 832                 mvm->nvm_data->bands[0].n_bitrates = 1;
 833                 mvm->nvm_data->bands[0].bitrates =
 834                         (void *)mvm->nvm_data->channels + 1;
 835                 mvm->nvm_data->bands[0].bitrates->hw_value = 10;
 836         }
 837
 838         return ret;
 839 }
 840
 841 static void iwl_mvm_parse_shared_mem_a000(struct iwl_mvm *mvm,
 842                                           struct iwl_rx_packet *pkt)
 843 {
 844         struct iwl_shared_mem_cfg *mem_cfg = (void *)pkt->data;
 845         int i;
 846
 847         mvm->shared_mem_cfg.num_txfifo_entries =
 848                 ARRAY_SIZE(mvm->shared_mem_cfg.txfifo_size);
 849         for (i = 0; i < ARRAY_SIZE(mem_cfg->txfifo_size); i++)
 850                 mvm->shared_mem_cfg.txfifo_size[i] =
 851                         le32_to_cpu(mem_cfg->txfifo_size[i]);
 852         for (i = 0; i < ARRAY_SIZE(mvm->shared_mem_cfg.rxfifo_size); i++)
 853                 mvm->shared_mem_cfg.rxfifo_size[i] =
 854                         le32_to_cpu(mem_cfg->rxfifo_size[i]);
 855
 856         BUILD_BUG_ON(sizeof(mvm->shared_mem_cfg.internal_txfifo_size) !=
 857                      sizeof(mem_cfg->internal_txfifo_size));
 858
 859         for (i = 0; i < ARRAY_SIZE(mvm->shared_mem_cfg.internal_txfifo_size);
 860              i++)
 861                 mvm->shared_mem_cfg.internal_txfifo_size[i] =
 862                         le32_to_cpu(mem_cfg->internal_txfifo_size[i]);
 863 }
 864
 865 static void iwl_mvm_parse_shared_mem(struct iwl_mvm *mvm,
 866                                      struct iwl_rx_packet *pkt)
 867 {
 868         struct iwl_shared_mem_cfg_v1 *mem_cfg = (void *)pkt->data;
 869         int i;
 870
 871         mvm->shared_mem_cfg.num_txfifo_entries =
 872                 ARRAY_SIZE(mvm->shared_mem_cfg.txfifo_size);
 873         for (i = 0; i < ARRAY_SIZE(mem_cfg->txfifo_size); i++)
 874                 mvm->shared_mem_cfg.txfifo_size[i] =
 875                         le32_to_cpu(mem_cfg->txfifo_size[i]);
 876         for (i = 0; i < ARRAY_SIZE(mvm->shared_mem_cfg.rxfifo_size); i++)
 877                 mvm->shared_mem_cfg.rxfifo_size[i] =
 878                         le32_to_cpu(mem_cfg->rxfifo_size[i]);
 879
 880         /* new API has more data, from rxfifo_addr field and on */
 881         if (fw_has_capa(&mvm->fw->ucode_capa,
 882                         IWL_UCODE_TLV_CAPA_EXTEND_SHARED_MEM_CFG)) {
 883                 BUILD_BUG_ON(sizeof(mvm->shared_mem_cfg.internal_txfifo_size) !=
 884                              sizeof(mem_cfg->internal_txfifo_size));
 885
 886                 for (i = 0;
 887                      i < ARRAY_SIZE(mvm->shared_mem_cfg.internal_txfifo_size);
 888                      i++)
 889                         mvm->shared_mem_cfg.internal_txfifo_size[i] =
 890                                 le32_to_cpu(mem_cfg->internal_txfifo_size[i]);
 891         }
 892 }
 893
 894 static void iwl_mvm_get_shared_mem_conf(struct iwl_mvm *mvm)
 895 {
 896         struct iwl_host_cmd cmd = {
 897                 .flags = CMD_WANT_SKB,
 898                 .data = { NULL, },
 899                 .len = { 0, },
 900         };
 901         struct iwl_rx_packet *pkt;
 902
 903         lockdep_assert_held(&mvm->mutex);
 904
 905         if (fw_has_capa(&mvm->fw->ucode_capa,
 906                         IWL_UCODE_TLV_CAPA_EXTEND_SHARED_MEM_CFG))
 907                 cmd.id = iwl_cmd_id(SHARED_MEM_CFG_CMD, SYSTEM_GROUP, 0);
 908         else
 909                 cmd.id = SHARED_MEM_CFG;
 910
 911         if (WARN_ON(iwl_mvm_send_cmd(mvm, &cmd)))
 912                 return;
 913
 914         pkt = cmd.resp_pkt;
 915         if (iwl_mvm_has_new_tx_api(mvm))
 916                 iwl_mvm_parse_shared_mem_a000(mvm, pkt);
 917         else
 918                 iwl_mvm_parse_shared_mem(mvm, pkt);
 919
 920         IWL_DEBUG_INFO(mvm, "SHARED MEM CFG: got memory offsets/sizes\n");
 921
 922         iwl_free_resp(&cmd);
 923 }
 924
 925 static int iwl_mvm_config_ltr(struct iwl_mvm *mvm)
 926 {
 927         struct iwl_ltr_config_cmd cmd = {
 928                 .flags = cpu_to_le32(LTR_CFG_FLAG_FEATURE_ENABLE),
 929         };
 930
 931         if (!mvm->trans->ltr_enabled)
 932                 return 0;
 933
 934         return iwl_mvm_send_cmd_pdu(mvm, LTR_CONFIG, 0,
 935                                     sizeof(cmd), &cmd);
 936 }
 937
 938 #define ACPI_WRDS_METHOD        "WRDS"
 939 #define ACPI_WRDS_WIFI          (0x07)
 940 #define ACPI_WRDS_TABLE_SIZE    10
 941
 942 struct iwl_mvm_sar_table {
 943         bool enabled;
 944         u8 values[ACPI_WRDS_TABLE_SIZE];
 945 };
 946
 947 #ifdef CONFIG_ACPI
 948 static int iwl_mvm_sar_get_wrds(struct iwl_mvm *mvm, union acpi_object *wrds,
 949                                 struct iwl_mvm_sar_table *sar_table)
 950 {
 951         union acpi_object *data_pkg;
 952         u32 i;
 953
 954         /* We need at least two packages, one for the revision and one
 955          * for the data itself.  Also check that the revision is valid
 956          * (i.e. it is an integer set to 0).
 957         */
 958         if (wrds->type != ACPI_TYPE_PACKAGE ||
 959             wrds->package.count < 2 ||
 960             wrds->package.elements[0].type != ACPI_TYPE_INTEGER ||
 961             wrds->package.elements[0].integer.value != 0) {
 962                 IWL_DEBUG_RADIO(mvm, "Unsupported wrds structure\n");
 963                 return -EINVAL;
 964         }
 965
 966         /* loop through all the packages to find the one for WiFi */
 967         for (i = 1; i < wrds->package.count; i++) {
 968                 union acpi_object *domain;
 969
 970                 data_pkg = &wrds->package.elements[i];
 971
 972                 /* Skip anything that is not a package with the right
 973                  * amount of elements (i.e. domain_type,
 974                  * enabled/disabled plus the sar table size.
 975                  */
 976                 if (data_pkg->type != ACPI_TYPE_PACKAGE ||
 977                     data_pkg->package.count != ACPI_WRDS_TABLE_SIZE + 2)
 978                         continue;
 979
 980                 domain = &data_pkg->package.elements[0];
 981                 if (domain->type == ACPI_TYPE_INTEGER &&
 982                     domain->integer.value == ACPI_WRDS_WIFI)
 983                         break;
 984
 985                 data_pkg = NULL;
 986         }
 987
 988         if (!data_pkg)
 989                 return -ENOENT;
 990
 991         if (data_pkg->package.elements[1].type != ACPI_TYPE_INTEGER)
 992                 return -EINVAL;
 993
 994         sar_table->enabled = !!(data_pkg->package.elements[1].integer.value);
 995
 996         for (i = 0; i < ACPI_WRDS_TABLE_SIZE; i++) {
 997                 union acpi_object *entry;
 998
 999                 entry = &data_pkg->package.elements[i + 2];
1000                 if ((entry->type != ACPI_TYPE_INTEGER) ||
1001                     (entry->integer.value > U8_MAX))
1002                         return -EINVAL;
1003
1004                 sar_table->values[i] = entry->integer.value;
1005         }
1006
1007         return 0;
1008 }
1009
1010 static int iwl_mvm_sar_get_table(struct iwl_mvm *mvm,
1011                                  struct iwl_mvm_sar_table *sar_table)
1012 {
1013         acpi_handle root_handle;
1014         acpi_handle handle;
1015         struct acpi_buffer wrds = {ACPI_ALLOCATE_BUFFER, NULL};
1016         acpi_status status;
1017         int ret;
1018
1019         root_handle = ACPI_HANDLE(mvm->dev);
1020         if (!root_handle) {
1021                 IWL_DEBUG_RADIO(mvm,
1022                                 "Could not retrieve root port ACPI handle\n");
1023                 return -ENOENT;
1024         }
1025
1026         /* Get the method's handle */
1027         status = acpi_get_handle(root_handle, (acpi_string)ACPI_WRDS_METHOD,
1028                                  &handle);
1029         if (ACPI_FAILURE(status)) {
1030                 IWL_DEBUG_RADIO(mvm, "WRDS method not found\n");
1031                 return -ENOENT;
1032         }
1033
1034         /* Call WRDS with no arguments */
1035         status = acpi_evaluate_object(handle, NULL, NULL, &wrds);
1036         if (ACPI_FAILURE(status)) {
1037                 IWL_DEBUG_RADIO(mvm, "WRDS invocation failed (0x%x)\n", status);
1038                 return -ENOENT;
1039         }
1040
1041         ret = iwl_mvm_sar_get_wrds(mvm, wrds.pointer, sar_table);
1042         kfree(wrds.pointer);
1043
1044         return ret;
1045 }
1046 #else /* CONFIG_ACPI */
1047 static int iwl_mvm_sar_get_table(struct iwl_mvm *mvm,
1048                                  struct iwl_mvm_sar_table *sar_table)
1049 {
1050         return -ENOENT;
1051 }
1052 #endif /* CONFIG_ACPI */
1053
1054 static int iwl_mvm_sar_init(struct iwl_mvm *mvm)
1055 {
1056         struct iwl_mvm_sar_table sar_table;
1057         struct iwl_dev_tx_power_cmd cmd = {
1058                 .v3.v2.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_CHAINS),
1059         };
1060         int ret, i, j, idx;
1061         int len = sizeof(cmd);
1062
1063         /* we can't do anything with the table if the FW doesn't support it */
1064         if (!fw_has_api(&mvm->fw->ucode_capa,
1065                         IWL_UCODE_TLV_API_TX_POWER_CHAIN)) {
1066                 IWL_DEBUG_RADIO(mvm,
1067                                 "FW doesn't support per-chain TX power settings.\n");
1068                 return 0;
1069         }
1070
1071         if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TX_POWER_ACK))
1072                 len = sizeof(cmd.v3);
1073
1074         ret = iwl_mvm_sar_get_table(mvm, &sar_table);
1075         if (ret < 0) {
1076                 IWL_DEBUG_RADIO(mvm,
1077                                 "SAR BIOS table invalid or unavailable. (%d)\n",
1078                                 ret);
1079                 /* we don't fail if the table is not available */
1080                 return 0;
1081         }
1082
1083         if (!sar_table.enabled)
1084                 return 0;
1085
1086         IWL_DEBUG_RADIO(mvm, "Sending REDUCE_TX_POWER_CMD per chain\n");
1087
1088         BUILD_BUG_ON(IWL_NUM_CHAIN_LIMITS * IWL_NUM_SUB_BANDS !=
1089                      ACPI_WRDS_TABLE_SIZE);
1090
1091         for (i = 0; i < IWL_NUM_CHAIN_LIMITS; i++) {
1092                 IWL_DEBUG_RADIO(mvm, "  Chain[%d]:\n", i);
1093                 for (j = 0; j < IWL_NUM_SUB_BANDS; j++) {
1094                         idx = (i * IWL_NUM_SUB_BANDS) + j;
1095                         cmd.v3.per_chain_restriction[i][j] =
1096                                 cpu_to_le16(sar_table.values[idx]);
1097                         IWL_DEBUG_RADIO(mvm, "    Band[%d] = %d * .125dBm\n",
1098                                         j, sar_table.values[idx]);
1099                 }
1100         }
1101
1102         ret = iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0, len, &cmd);
1103         if (ret)
1104                 IWL_ERR(mvm, "failed to set per-chain TX power: %d\n", ret);
1105
1106         return ret;
1107 }
1108
1109 int iwl_mvm_up(struct iwl_mvm *mvm)
1110 {
1111         int ret, i;
1112         struct ieee80211_channel *chan;
1113         struct cfg80211_chan_def chandef;
1114
1115         lockdep_assert_held(&mvm->mutex);
1116
1117         ret = iwl_trans_start_hw(mvm->trans);
1118         if (ret)
1119                 return ret;
1120
1121         /*
1122          * If we haven't completed the run of the init ucode during
1123          * module loading, load init ucode now
1124          * (for example, if we were in RFKILL)
1125          */
1126         ret = iwl_run_init_mvm_ucode(mvm, false);
1127         if (ret && !iwlmvm_mod_params.init_dbg) {
1128                 IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", ret);
1129                 /* this can't happen */
1130                 if (WARN_ON(ret > 0))
1131                         ret = -ERFKILL;
1132                 goto error;
1133         }
1134         if (!iwlmvm_mod_params.init_dbg) {
1135                 /*
1136                  * Stop and start the transport without entering low power
1137                  * mode. This will save the state of other components on the
1138                  * device that are triggered by the INIT firwmare (MFUART).
1139                  */
1140                 _iwl_trans_stop_device(mvm->trans, false);
1141                 ret = _iwl_trans_start_hw(mvm->trans, false);
1142                 if (ret)
1143                         goto error;
1144         }
1145
1146         if (iwlmvm_mod_params.init_dbg)
1147                 return 0;
1148
1149         ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_REGULAR);
1150         if (ret) {
1151                 IWL_ERR(mvm, "Failed to start RT ucode: %d\n", ret);
1152                 goto error;
1153         }
1154
1155         iwl_mvm_get_shared_mem_conf(mvm);
1156
1157         ret = iwl_mvm_sf_update(mvm, NULL, false);
1158         if (ret)
1159                 IWL_ERR(mvm, "Failed to initialize Smart Fifo\n");
1160
1161         mvm->fw_dbg_conf = FW_DBG_INVALID;
1162         /* if we have a destination, assume EARLY START */
1163         if (mvm->fw->dbg_dest_tlv)
1164                 mvm->fw_dbg_conf = FW_DBG_START_FROM_ALIVE;
1165         iwl_mvm_start_fw_dbg_conf(mvm, FW_DBG_START_FROM_ALIVE);
1166
1167         ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm));
1168         if (ret)
1169                 goto error;
1170
1171         ret = iwl_send_bt_init_conf(mvm);
1172         if (ret)
1173                 goto error;
1174
1175         /* Send phy db control command and then phy db calibration*/
1176         ret = iwl_send_phy_db_data(mvm->phy_db);
1177         if (ret)
1178                 goto error;
1179
1180         ret = iwl_send_phy_cfg_cmd(mvm);
1181         if (ret)
1182                 goto error;
1183
1184         /* Init RSS configuration */
1185         if (iwl_mvm_has_new_rx_api(mvm)) {
1186                 ret = iwl_send_rss_cfg_cmd(mvm);
1187                 if (ret) {
1188                         IWL_ERR(mvm, "Failed to configure RSS queues: %d\n",
1189                                 ret);
1190                         goto error;
1191                 }
1192         }
1193
1194         /* init the fw <-> mac80211 STA mapping */
1195         for (i = 0; i < IWL_MVM_STATION_COUNT; i++)
1196                 RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL);
1197
1198         mvm->tdls_cs.peer.sta_id = IWL_MVM_STATION_COUNT;
1199
1200         /* reset quota debouncing buffer - 0xff will yield invalid data */
1201         memset(&mvm->last_quota_cmd, 0xff, sizeof(mvm->last_quota_cmd));
1202
1203         /* Enable DQA-mode if required */
1204         if (iwl_mvm_is_dqa_supported(mvm)) {
1205                 ret = iwl_mvm_send_dqa_cmd(mvm);
1206                 if (ret)
1207                         goto error;
1208         } else {
1209                 IWL_DEBUG_FW(mvm, "Working in non-DQA mode\n");
1210         }
1211
1212         /* Add auxiliary station for scanning */
1213         ret = iwl_mvm_add_aux_sta(mvm);
1214         if (ret)
1215                 goto error;
1216
1217         /* Add all the PHY contexts */
1218         chan = &mvm->hw->wiphy->bands[NL80211_BAND_2GHZ]->channels[0];
1219         cfg80211_chandef_create(&chandef, chan, NL80211_CHAN_NO_HT);
1220         for (i = 0; i < NUM_PHY_CTX; i++) {
1221                 /*
1222                  * The channel used here isn't relevant as it's
1223                  * going to be overwritten in the other flows.
1224                  * For now use the first channel we have.
1225                  */
1226                 ret = iwl_mvm_phy_ctxt_add(mvm, &mvm->phy_ctxts[i],
1227                                            &chandef, 1, 1);
1228                 if (ret)
1229                         goto error;
1230         }
1231
1232 #ifdef CONFIG_THERMAL
1233         if (iwl_mvm_is_tt_in_fw(mvm)) {
1234                 /* in order to give the responsibility of ct-kill and
1235                  * TX backoff to FW we need to send empty temperature reporting
1236                  * cmd during init time
1237                  */
1238                 iwl_mvm_send_temp_report_ths_cmd(mvm);
1239         } else {
1240                 /* Initialize tx backoffs to the minimal possible */
1241                 iwl_mvm_tt_tx_backoff(mvm, 0);
1242         }
1243
1244         /* TODO: read the budget from BIOS / Platform NVM */
1245         if (iwl_mvm_is_ctdp_supported(mvm) && mvm->cooling_dev.cur_state > 0)
1246                 ret = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_START,
1247                                            mvm->cooling_dev.cur_state);
1248 #else
1249         /* Initialize tx backoffs to the minimal possible */
1250         iwl_mvm_tt_tx_backoff(mvm, 0);
1251 #endif
1252
1253         WARN_ON(iwl_mvm_config_ltr(mvm));
1254
1255         ret = iwl_mvm_power_update_device(mvm);
1256         if (ret)
1257                 goto error;
1258
1259         /*
1260          * RTNL is not taken during Ct-kill, but we don't need to scan/Tx
1261          * anyway, so don't init MCC.
1262          */
1263         if (!test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status)) {
1264                 ret = iwl_mvm_init_mcc(mvm);
1265                 if (ret)
1266                         goto error;
1267         }
1268
1269         if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) {
1270                 mvm->scan_type = IWL_SCAN_TYPE_NOT_SET;
1271                 ret = iwl_mvm_config_scan(mvm);
1272                 if (ret)
1273                         goto error;
1274         }
1275
1276         if (iwl_mvm_is_csum_supported(mvm) &&
1277             mvm->cfg->features & NETIF_F_RXCSUM)
1278                 iwl_trans_write_prph(mvm->trans, RX_EN_CSUM, 0x3);
1279
1280         /* allow FW/transport low power modes if not during restart */
1281         if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
1282                 iwl_mvm_unref(mvm, IWL_MVM_REF_UCODE_DOWN);
1283
1284         ret = iwl_mvm_sar_init(mvm);
1285         if (ret)
1286                 goto error;
1287
1288         IWL_DEBUG_INFO(mvm, "RT uCode started.\n");
1289         return 0;
1290  error:
1291         iwl_mvm_stop_device(mvm);
1292         return ret;
1293 }
1294
1295 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm)
1296 {
1297         int ret, i;
1298
1299         lockdep_assert_held(&mvm->mutex);
1300
1301         ret = iwl_trans_start_hw(mvm->trans);
1302         if (ret)
1303                 return ret;
1304
1305         ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_WOWLAN);
1306         if (ret) {
1307                 IWL_ERR(mvm, "Failed to start WoWLAN firmware: %d\n", ret);
1308                 goto error;
1309         }
1310
1311         ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm));
1312         if (ret)
1313                 goto error;
1314
1315         /* Send phy db control command and then phy db calibration*/
1316         ret = iwl_send_phy_db_data(mvm->phy_db);
1317         if (ret)
1318                 goto error;
1319
1320         ret = iwl_send_phy_cfg_cmd(mvm);
1321         if (ret)
1322                 goto error;
1323
1324         /* init the fw <-> mac80211 STA mapping */
1325         for (i = 0; i < IWL_MVM_STATION_COUNT; i++)
1326                 RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL);
1327
1328         /* Add auxiliary station for scanning */
1329         ret = iwl_mvm_add_aux_sta(mvm);
1330         if (ret)
1331                 goto error;
1332
1333         return 0;
1334  error:
1335         iwl_mvm_stop_device(mvm);
1336         return ret;
1337 }
1338
1339 void iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
1340                                  struct iwl_rx_cmd_buffer *rxb)
1341 {
1342         struct iwl_rx_packet *pkt = rxb_addr(rxb);
1343         struct iwl_card_state_notif *card_state_notif = (void *)pkt->data;
1344         u32 flags = le32_to_cpu(card_state_notif->flags);
1345
1346         IWL_DEBUG_RF_KILL(mvm, "Card state received: HW:%s SW:%s CT:%s\n",
1347                           (flags & HW_CARD_DISABLED) ? "Kill" : "On",
1348                           (flags & SW_CARD_DISABLED) ? "Kill" : "On",
1349                           (flags & CT_KILL_CARD_DISABLED) ?
1350                           "Reached" : "Not reached");
1351 }
1352
1353 void iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm,
1354                              struct iwl_rx_cmd_buffer *rxb)
1355 {
1356         struct iwl_rx_packet *pkt = rxb_addr(rxb);
1357         struct iwl_mfuart_load_notif *mfuart_notif = (void *)pkt->data;
1358
1359         IWL_DEBUG_INFO(mvm,
1360                        "MFUART: installed ver: 0x%08x, external ver: 0x%08x, status: 0x%08x, duration: 0x%08x\n",
1361                        le32_to_cpu(mfuart_notif->installed_ver),
1362                        le32_to_cpu(mfuart_notif->external_ver),
1363                        le32_to_cpu(mfuart_notif->status),
1364                        le32_to_cpu(mfuart_notif->duration));
1365 }