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 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 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 = IWL_RSS_HASH_TYPE_IPV4_TCP | 109 IWL_RSS_HASH_TYPE_IPV4_UDP | 110 IWL_RSS_HASH_TYPE_IPV4_PAYLOAD | 111 IWL_RSS_HASH_TYPE_IPV6_TCP | 112 IWL_RSS_HASH_TYPE_IPV6_UDP | 113 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; 131 struct iwl_rfh_queue_config *cmd; 132 133 /* Do not configure default queue, it is configured via context info */ 134 num_queues = mvm->trans->num_rx_queues - 1; 135 136 size = sizeof(*cmd) + num_queues * sizeof(struct iwl_rfh_queue_data); 137 138 cmd = kzalloc(size, GFP_KERNEL); 139 if (!cmd) 140 return -ENOMEM; 141 142 cmd->num_queues = num_queues; 143 144 for (i = 0; i < num_queues; i++) { 145 struct iwl_trans_rxq_dma_data data; 146 147 cmd->data[i].q_num = i + 1; 148 iwl_trans_get_rxq_dma_data(mvm->trans, i + 1, &data); 149 150 cmd->data[i].fr_bd_cb = cpu_to_le64(data.fr_bd_cb); 151 cmd->data[i].urbd_stts_wrptr = 152 cpu_to_le64(data.urbd_stts_wrptr); 153 cmd->data[i].ur_bd_cb = cpu_to_le64(data.ur_bd_cb); 154 cmd->data[i].fr_bd_wid = cpu_to_le32(data.fr_bd_wid); 155 } 156 157 return iwl_mvm_send_cmd_pdu(mvm, 158 WIDE_ID(DATA_PATH_GROUP, 159 RFH_QUEUE_CONFIG_CMD), 160 0, size, cmd); 161 } 162 163 static int iwl_mvm_send_dqa_cmd(struct iwl_mvm *mvm) 164 { 165 struct iwl_dqa_enable_cmd dqa_cmd = { 166 .cmd_queue = cpu_to_le32(IWL_MVM_DQA_CMD_QUEUE), 167 }; 168 u32 cmd_id = iwl_cmd_id(DQA_ENABLE_CMD, DATA_PATH_GROUP, 0); 169 int ret; 170 171 ret = iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, sizeof(dqa_cmd), &dqa_cmd); 172 if (ret) 173 IWL_ERR(mvm, "Failed to send DQA enabling command: %d\n", ret); 174 else 175 IWL_DEBUG_FW(mvm, "Working in DQA mode\n"); 176 177 return ret; 178 } 179 180 void iwl_mvm_mfu_assert_dump_notif(struct iwl_mvm *mvm, 181 struct iwl_rx_cmd_buffer *rxb) 182 { 183 struct iwl_rx_packet *pkt = rxb_addr(rxb); 184 struct iwl_mfu_assert_dump_notif *mfu_dump_notif = (void *)pkt->data; 185 __le32 *dump_data = mfu_dump_notif->data; 186 int n_words = le32_to_cpu(mfu_dump_notif->data_size) / sizeof(__le32); 187 int i; 188 189 if (mfu_dump_notif->index_num == 0) 190 IWL_INFO(mvm, "MFUART assert id 0x%x occurred\n", 191 le32_to_cpu(mfu_dump_notif->assert_id)); 192 193 for (i = 0; i < n_words; i++) 194 IWL_DEBUG_INFO(mvm, 195 "MFUART assert dump, dword %u: 0x%08x\n", 196 le16_to_cpu(mfu_dump_notif->index_num) * 197 n_words + i, 198 le32_to_cpu(dump_data[i])); 199 } 200 201 static bool iwl_alive_fn(struct iwl_notif_wait_data *notif_wait, 202 struct iwl_rx_packet *pkt, void *data) 203 { 204 struct iwl_mvm *mvm = 205 container_of(notif_wait, struct iwl_mvm, notif_wait); 206 struct iwl_mvm_alive_data *alive_data = data; 207 struct mvm_alive_resp_v3 *palive3; 208 struct mvm_alive_resp *palive; 209 struct iwl_umac_alive *umac; 210 struct iwl_lmac_alive *lmac1; 211 struct iwl_lmac_alive *lmac2 = NULL; 212 u16 status; 213 u32 umac_error_event_table; 214 215 if (iwl_rx_packet_payload_len(pkt) == sizeof(*palive)) { 216 palive = (void *)pkt->data; 217 umac = &palive->umac_data; 218 lmac1 = &palive->lmac_data[0]; 219 lmac2 = &palive->lmac_data[1]; 220 status = le16_to_cpu(palive->status); 221 } else { 222 palive3 = (void *)pkt->data; 223 umac = &palive3->umac_data; 224 lmac1 = &palive3->lmac_data; 225 status = le16_to_cpu(palive3->status); 226 } 227 228 mvm->error_event_table[0] = le32_to_cpu(lmac1->error_event_table_ptr); 229 if (lmac2) 230 mvm->error_event_table[1] = 231 le32_to_cpu(lmac2->error_event_table_ptr); 232 mvm->log_event_table = le32_to_cpu(lmac1->log_event_table_ptr); 233 234 umac_error_event_table = le32_to_cpu(umac->error_info_addr); 235 236 if (!umac_error_event_table) { 237 mvm->support_umac_log = false; 238 } else if (umac_error_event_table >= 239 mvm->trans->cfg->min_umac_error_event_table) { 240 mvm->support_umac_log = true; 241 mvm->umac_error_event_table = umac_error_event_table; 242 } else { 243 IWL_ERR(mvm, 244 "Not valid error log pointer 0x%08X for %s uCode\n", 245 mvm->umac_error_event_table, 246 (mvm->fwrt.cur_fw_img == IWL_UCODE_INIT) ? 247 "Init" : "RT"); 248 mvm->support_umac_log = false; 249 } 250 251 alive_data->scd_base_addr = le32_to_cpu(lmac1->scd_base_ptr); 252 alive_data->valid = status == IWL_ALIVE_STATUS_OK; 253 254 IWL_DEBUG_FW(mvm, 255 "Alive ucode status 0x%04x revision 0x%01X 0x%01X\n", 256 status, lmac1->ver_type, lmac1->ver_subtype); 257 258 if (lmac2) 259 IWL_DEBUG_FW(mvm, "Alive ucode CDB\n"); 260 261 IWL_DEBUG_FW(mvm, 262 "UMAC version: Major - 0x%x, Minor - 0x%x\n", 263 le32_to_cpu(umac->umac_major), 264 le32_to_cpu(umac->umac_minor)); 265 266 return true; 267 } 268 269 static bool iwl_wait_init_complete(struct iwl_notif_wait_data *notif_wait, 270 struct iwl_rx_packet *pkt, void *data) 271 { 272 WARN_ON(pkt->hdr.cmd != INIT_COMPLETE_NOTIF); 273 274 return true; 275 } 276 277 static bool iwl_wait_phy_db_entry(struct iwl_notif_wait_data *notif_wait, 278 struct iwl_rx_packet *pkt, void *data) 279 { 280 struct iwl_phy_db *phy_db = data; 281 282 if (pkt->hdr.cmd != CALIB_RES_NOTIF_PHY_DB) { 283 WARN_ON(pkt->hdr.cmd != INIT_COMPLETE_NOTIF); 284 return true; 285 } 286 287 WARN_ON(iwl_phy_db_set_section(phy_db, pkt)); 288 289 return false; 290 } 291 292 static int iwl_mvm_load_ucode_wait_alive(struct iwl_mvm *mvm, 293 enum iwl_ucode_type ucode_type) 294 { 295 struct iwl_notification_wait alive_wait; 296 struct iwl_mvm_alive_data alive_data; 297 const struct fw_img *fw; 298 int ret, i; 299 enum iwl_ucode_type old_type = mvm->fwrt.cur_fw_img; 300 static const u16 alive_cmd[] = { MVM_ALIVE }; 301 302 set_bit(IWL_FWRT_STATUS_WAIT_ALIVE, &mvm->fwrt.status); 303 if (ucode_type == IWL_UCODE_REGULAR && 304 iwl_fw_dbg_conf_usniffer(mvm->fw, FW_DBG_START_FROM_ALIVE) && 305 !(fw_has_capa(&mvm->fw->ucode_capa, 306 IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED))) 307 fw = iwl_get_ucode_image(mvm->fw, IWL_UCODE_REGULAR_USNIFFER); 308 else 309 fw = iwl_get_ucode_image(mvm->fw, ucode_type); 310 if (WARN_ON(!fw)) 311 return -EINVAL; 312 iwl_fw_set_current_image(&mvm->fwrt, ucode_type); 313 clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); 314 315 iwl_init_notification_wait(&mvm->notif_wait, &alive_wait, 316 alive_cmd, ARRAY_SIZE(alive_cmd), 317 iwl_alive_fn, &alive_data); 318 319 ret = iwl_trans_start_fw(mvm->trans, fw, ucode_type == IWL_UCODE_INIT); 320 if (ret) { 321 iwl_fw_set_current_image(&mvm->fwrt, old_type); 322 iwl_remove_notification(&mvm->notif_wait, &alive_wait); 323 return ret; 324 } 325 326 /* 327 * Some things may run in the background now, but we 328 * just wait for the ALIVE notification here. 329 */ 330 ret = iwl_wait_notification(&mvm->notif_wait, &alive_wait, 331 MVM_UCODE_ALIVE_TIMEOUT); 332 if (ret) { 333 struct iwl_trans *trans = mvm->trans; 334 335 if (trans->cfg->device_family >= IWL_DEVICE_FAMILY_22000) 336 IWL_ERR(mvm, 337 "SecBoot CPU1 Status: 0x%x, CPU2 Status: 0x%x\n", 338 iwl_read_prph(trans, UMAG_SB_CPU_1_STATUS), 339 iwl_read_prph(trans, UMAG_SB_CPU_2_STATUS)); 340 else if (trans->cfg->device_family >= IWL_DEVICE_FAMILY_8000) 341 IWL_ERR(mvm, 342 "SecBoot CPU1 Status: 0x%x, CPU2 Status: 0x%x\n", 343 iwl_read_prph(trans, SB_CPU_1_STATUS), 344 iwl_read_prph(trans, SB_CPU_2_STATUS)); 345 iwl_fw_set_current_image(&mvm->fwrt, old_type); 346 return ret; 347 } 348 349 if (!alive_data.valid) { 350 IWL_ERR(mvm, "Loaded ucode is not valid!\n"); 351 iwl_fw_set_current_image(&mvm->fwrt, old_type); 352 return -EIO; 353 } 354 355 iwl_trans_fw_alive(mvm->trans, alive_data.scd_base_addr); 356 357 /* 358 * Note: all the queues are enabled as part of the interface 359 * initialization, but in firmware restart scenarios they 360 * could be stopped, so wake them up. In firmware restart, 361 * mac80211 will have the queues stopped as well until the 362 * reconfiguration completes. During normal startup, they 363 * will be empty. 364 */ 365 366 memset(&mvm->queue_info, 0, sizeof(mvm->queue_info)); 367 /* 368 * Set a 'fake' TID for the command queue, since we use the 369 * hweight() of the tid_bitmap as a refcount now. Not that 370 * we ever even consider the command queue as one we might 371 * want to reuse, but be safe nevertheless. 372 */ 373 mvm->queue_info[IWL_MVM_DQA_CMD_QUEUE].tid_bitmap = 374 BIT(IWL_MAX_TID_COUNT + 2); 375 376 for (i = 0; i < IEEE80211_MAX_QUEUES; i++) 377 atomic_set(&mvm->mac80211_queue_stop_count[i], 0); 378 379 set_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); 380 #ifdef CONFIG_IWLWIFI_DEBUGFS 381 iwl_fw_set_dbg_rec_on(&mvm->fwrt); 382 #endif 383 clear_bit(IWL_FWRT_STATUS_WAIT_ALIVE, &mvm->fwrt.status); 384 385 return 0; 386 } 387 388 static int iwl_run_unified_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm) 389 { 390 struct iwl_notification_wait init_wait; 391 struct iwl_nvm_access_complete_cmd nvm_complete = {}; 392 struct iwl_init_extended_cfg_cmd init_cfg = { 393 .init_flags = cpu_to_le32(BIT(IWL_INIT_NVM)), 394 }; 395 static const u16 init_complete[] = { 396 INIT_COMPLETE_NOTIF, 397 }; 398 int ret; 399 400 lockdep_assert_held(&mvm->mutex); 401 402 iwl_init_notification_wait(&mvm->notif_wait, 403 &init_wait, 404 init_complete, 405 ARRAY_SIZE(init_complete), 406 iwl_wait_init_complete, 407 NULL); 408 409 /* Will also start the device */ 410 ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_REGULAR); 411 if (ret) { 412 IWL_ERR(mvm, "Failed to start RT ucode: %d\n", ret); 413 iwl_fw_assert_error_dump(&mvm->fwrt); 414 goto error; 415 } 416 417 /* Send init config command to mark that we are sending NVM access 418 * commands 419 */ 420 ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(SYSTEM_GROUP, 421 INIT_EXTENDED_CFG_CMD), 0, 422 sizeof(init_cfg), &init_cfg); 423 if (ret) { 424 IWL_ERR(mvm, "Failed to run init config command: %d\n", 425 ret); 426 goto error; 427 } 428 429 /* Load NVM to NIC if needed */ 430 if (mvm->nvm_file_name) { 431 iwl_read_external_nvm(mvm->trans, mvm->nvm_file_name, 432 mvm->nvm_sections); 433 iwl_mvm_load_nvm_to_nic(mvm); 434 } 435 436 if (IWL_MVM_PARSE_NVM && read_nvm) { 437 ret = iwl_nvm_init(mvm); 438 if (ret) { 439 IWL_ERR(mvm, "Failed to read NVM: %d\n", ret); 440 goto error; 441 } 442 } 443 444 ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(REGULATORY_AND_NVM_GROUP, 445 NVM_ACCESS_COMPLETE), 0, 446 sizeof(nvm_complete), &nvm_complete); 447 if (ret) { 448 IWL_ERR(mvm, "Failed to run complete NVM access: %d\n", 449 ret); 450 goto error; 451 } 452 453 /* We wait for the INIT complete notification */ 454 ret = iwl_wait_notification(&mvm->notif_wait, &init_wait, 455 MVM_UCODE_ALIVE_TIMEOUT); 456 if (ret) 457 return ret; 458 459 /* Read the NVM only at driver load time, no need to do this twice */ 460 if (!IWL_MVM_PARSE_NVM && read_nvm) { 461 mvm->nvm_data = iwl_get_nvm(mvm->trans, mvm->fw); 462 if (IS_ERR(mvm->nvm_data)) { 463 ret = PTR_ERR(mvm->nvm_data); 464 mvm->nvm_data = NULL; 465 IWL_ERR(mvm, "Failed to read NVM: %d\n", ret); 466 return ret; 467 } 468 } 469 470 return 0; 471 472 error: 473 iwl_remove_notification(&mvm->notif_wait, &init_wait); 474 return ret; 475 } 476 477 static int iwl_send_phy_cfg_cmd(struct iwl_mvm *mvm) 478 { 479 struct iwl_phy_cfg_cmd phy_cfg_cmd; 480 enum iwl_ucode_type ucode_type = mvm->fwrt.cur_fw_img; 481 482 /* Set parameters */ 483 phy_cfg_cmd.phy_cfg = cpu_to_le32(iwl_mvm_get_phy_config(mvm)); 484 485 /* set flags extra PHY configuration flags from the device's cfg */ 486 phy_cfg_cmd.phy_cfg |= cpu_to_le32(mvm->cfg->extra_phy_cfg_flags); 487 488 phy_cfg_cmd.calib_control.event_trigger = 489 mvm->fw->default_calib[ucode_type].event_trigger; 490 phy_cfg_cmd.calib_control.flow_trigger = 491 mvm->fw->default_calib[ucode_type].flow_trigger; 492 493 IWL_DEBUG_INFO(mvm, "Sending Phy CFG command: 0x%x\n", 494 phy_cfg_cmd.phy_cfg); 495 496 return iwl_mvm_send_cmd_pdu(mvm, PHY_CONFIGURATION_CMD, 0, 497 sizeof(phy_cfg_cmd), &phy_cfg_cmd); 498 } 499 500 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm) 501 { 502 struct iwl_notification_wait calib_wait; 503 static const u16 init_complete[] = { 504 INIT_COMPLETE_NOTIF, 505 CALIB_RES_NOTIF_PHY_DB 506 }; 507 int ret; 508 509 if (iwl_mvm_has_unified_ucode(mvm)) 510 return iwl_run_unified_mvm_ucode(mvm, true); 511 512 lockdep_assert_held(&mvm->mutex); 513 514 if (WARN_ON_ONCE(mvm->calibrating)) 515 return 0; 516 517 iwl_init_notification_wait(&mvm->notif_wait, 518 &calib_wait, 519 init_complete, 520 ARRAY_SIZE(init_complete), 521 iwl_wait_phy_db_entry, 522 mvm->phy_db); 523 524 /* Will also start the device */ 525 ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_INIT); 526 if (ret) { 527 IWL_ERR(mvm, "Failed to start INIT ucode: %d\n", ret); 528 goto remove_notif; 529 } 530 531 if (mvm->cfg->device_family < IWL_DEVICE_FAMILY_8000) { 532 ret = iwl_mvm_send_bt_init_conf(mvm); 533 if (ret) 534 goto remove_notif; 535 } 536 537 /* Read the NVM only at driver load time, no need to do this twice */ 538 if (read_nvm) { 539 ret = iwl_nvm_init(mvm); 540 if (ret) { 541 IWL_ERR(mvm, "Failed to read NVM: %d\n", ret); 542 goto remove_notif; 543 } 544 } 545 546 /* In case we read the NVM from external file, load it to the NIC */ 547 if (mvm->nvm_file_name) 548 iwl_mvm_load_nvm_to_nic(mvm); 549 550 WARN_ON(iwl_nvm_check_version(mvm->nvm_data, mvm->trans)); 551 552 /* 553 * abort after reading the nvm in case RF Kill is on, we will complete 554 * the init seq later when RF kill will switch to off 555 */ 556 if (iwl_mvm_is_radio_hw_killed(mvm)) { 557 IWL_DEBUG_RF_KILL(mvm, 558 "jump over all phy activities due to RF kill\n"); 559 goto remove_notif; 560 } 561 562 mvm->calibrating = true; 563 564 /* Send TX valid antennas before triggering calibrations */ 565 ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm)); 566 if (ret) 567 goto remove_notif; 568 569 ret = iwl_send_phy_cfg_cmd(mvm); 570 if (ret) { 571 IWL_ERR(mvm, "Failed to run INIT calibrations: %d\n", 572 ret); 573 goto remove_notif; 574 } 575 576 /* 577 * Some things may run in the background now, but we 578 * just wait for the calibration complete notification. 579 */ 580 ret = iwl_wait_notification(&mvm->notif_wait, &calib_wait, 581 MVM_UCODE_CALIB_TIMEOUT); 582 if (!ret) 583 goto out; 584 585 if (iwl_mvm_is_radio_hw_killed(mvm)) { 586 IWL_DEBUG_RF_KILL(mvm, "RFKILL while calibrating.\n"); 587 ret = 0; 588 } else { 589 IWL_ERR(mvm, "Failed to run INIT calibrations: %d\n", 590 ret); 591 } 592 593 goto out; 594 595 remove_notif: 596 iwl_remove_notification(&mvm->notif_wait, &calib_wait); 597 out: 598 mvm->calibrating = false; 599 if (iwlmvm_mod_params.init_dbg && !mvm->nvm_data) { 600 /* we want to debug INIT and we have no NVM - fake */ 601 mvm->nvm_data = kzalloc(sizeof(struct iwl_nvm_data) + 602 sizeof(struct ieee80211_channel) + 603 sizeof(struct ieee80211_rate), 604 GFP_KERNEL); 605 if (!mvm->nvm_data) 606 return -ENOMEM; 607 mvm->nvm_data->bands[0].channels = mvm->nvm_data->channels; 608 mvm->nvm_data->bands[0].n_channels = 1; 609 mvm->nvm_data->bands[0].n_bitrates = 1; 610 mvm->nvm_data->bands[0].bitrates = 611 (void *)mvm->nvm_data->channels + 1; 612 mvm->nvm_data->bands[0].bitrates->hw_value = 10; 613 } 614 615 return ret; 616 } 617 618 static int iwl_mvm_config_ltr(struct iwl_mvm *mvm) 619 { 620 struct iwl_ltr_config_cmd cmd = { 621 .flags = cpu_to_le32(LTR_CFG_FLAG_FEATURE_ENABLE), 622 }; 623 624 if (!mvm->trans->ltr_enabled) 625 return 0; 626 627 return iwl_mvm_send_cmd_pdu(mvm, LTR_CONFIG, 0, 628 sizeof(cmd), &cmd); 629 } 630 631 #ifdef CONFIG_ACPI 632 static int iwl_mvm_sar_set_profile(struct iwl_mvm *mvm, 633 union acpi_object *table, 634 struct iwl_mvm_sar_profile *profile, 635 bool enabled) 636 { 637 int i; 638 639 profile->enabled = enabled; 640 641 for (i = 0; i < ACPI_SAR_TABLE_SIZE; i++) { 642 if ((table[i].type != ACPI_TYPE_INTEGER) || 643 (table[i].integer.value > U8_MAX)) 644 return -EINVAL; 645 646 profile->table[i] = table[i].integer.value; 647 } 648 649 return 0; 650 } 651 652 static int iwl_mvm_sar_get_wrds_table(struct iwl_mvm *mvm) 653 { 654 union acpi_object *wifi_pkg, *table, *data; 655 bool enabled; 656 int ret; 657 658 data = iwl_acpi_get_object(mvm->dev, ACPI_WRDS_METHOD); 659 if (IS_ERR(data)) 660 return PTR_ERR(data); 661 662 wifi_pkg = iwl_acpi_get_wifi_pkg(mvm->dev, data, 663 ACPI_WRDS_WIFI_DATA_SIZE); 664 if (IS_ERR(wifi_pkg)) { 665 ret = PTR_ERR(wifi_pkg); 666 goto out_free; 667 } 668 669 if (wifi_pkg->package.elements[1].type != ACPI_TYPE_INTEGER) { 670 ret = -EINVAL; 671 goto out_free; 672 } 673 674 enabled = !!(wifi_pkg->package.elements[1].integer.value); 675 676 /* position of the actual table */ 677 table = &wifi_pkg->package.elements[2]; 678 679 /* The profile from WRDS is officially profile 1, but goes 680 * into sar_profiles[0] (because we don't have a profile 0). 681 */ 682 ret = iwl_mvm_sar_set_profile(mvm, table, &mvm->sar_profiles[0], 683 enabled); 684 out_free: 685 kfree(data); 686 return ret; 687 } 688 689 static int iwl_mvm_sar_get_ewrd_table(struct iwl_mvm *mvm) 690 { 691 union acpi_object *wifi_pkg, *data; 692 bool enabled; 693 int i, n_profiles, ret; 694 695 data = iwl_acpi_get_object(mvm->dev, ACPI_EWRD_METHOD); 696 if (IS_ERR(data)) 697 return PTR_ERR(data); 698 699 wifi_pkg = iwl_acpi_get_wifi_pkg(mvm->dev, data, 700 ACPI_EWRD_WIFI_DATA_SIZE); 701 if (IS_ERR(wifi_pkg)) { 702 ret = PTR_ERR(wifi_pkg); 703 goto out_free; 704 } 705 706 if ((wifi_pkg->package.elements[1].type != ACPI_TYPE_INTEGER) || 707 (wifi_pkg->package.elements[2].type != ACPI_TYPE_INTEGER)) { 708 ret = -EINVAL; 709 goto out_free; 710 } 711 712 enabled = !!(wifi_pkg->package.elements[1].integer.value); 713 n_profiles = wifi_pkg->package.elements[2].integer.value; 714 715 /* 716 * Check the validity of n_profiles. The EWRD profiles start 717 * from index 1, so the maximum value allowed here is 718 * ACPI_SAR_PROFILES_NUM - 1. 719 */ 720 if (n_profiles <= 0 || n_profiles >= ACPI_SAR_PROFILE_NUM) { 721 ret = -EINVAL; 722 goto out_free; 723 } 724 725 for (i = 0; i < n_profiles; i++) { 726 /* the tables start at element 3 */ 727 static int pos = 3; 728 729 /* The EWRD profiles officially go from 2 to 4, but we 730 * save them in sar_profiles[1-3] (because we don't 731 * have profile 0). So in the array we start from 1. 732 */ 733 ret = iwl_mvm_sar_set_profile(mvm, 734 &wifi_pkg->package.elements[pos], 735 &mvm->sar_profiles[i + 1], 736 enabled); 737 if (ret < 0) 738 break; 739 740 /* go to the next table */ 741 pos += ACPI_SAR_TABLE_SIZE; 742 } 743 744 out_free: 745 kfree(data); 746 return ret; 747 } 748 749 static int iwl_mvm_sar_get_wgds_table(struct iwl_mvm *mvm) 750 { 751 union acpi_object *wifi_pkg, *data; 752 int i, j, ret; 753 int idx = 1; 754 755 data = iwl_acpi_get_object(mvm->dev, ACPI_WGDS_METHOD); 756 if (IS_ERR(data)) 757 return PTR_ERR(data); 758 759 wifi_pkg = iwl_acpi_get_wifi_pkg(mvm->dev, data, 760 ACPI_WGDS_WIFI_DATA_SIZE); 761 if (IS_ERR(wifi_pkg)) { 762 ret = PTR_ERR(wifi_pkg); 763 goto out_free; 764 } 765 766 for (i = 0; i < ACPI_NUM_GEO_PROFILES; i++) { 767 for (j = 0; j < ACPI_GEO_TABLE_SIZE; j++) { 768 union acpi_object *entry; 769 770 entry = &wifi_pkg->package.elements[idx++]; 771 if ((entry->type != ACPI_TYPE_INTEGER) || 772 (entry->integer.value > U8_MAX)) { 773 ret = -EINVAL; 774 goto out_free; 775 } 776 777 mvm->geo_profiles[i].values[j] = entry->integer.value; 778 } 779 } 780 ret = 0; 781 out_free: 782 kfree(data); 783 return ret; 784 } 785 786 int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a, int prof_b) 787 { 788 union { 789 struct iwl_dev_tx_power_cmd v5; 790 struct iwl_dev_tx_power_cmd_v4 v4; 791 } cmd; 792 int i, j, idx; 793 int profs[ACPI_SAR_NUM_CHAIN_LIMITS] = { prof_a, prof_b }; 794 int len; 795 796 BUILD_BUG_ON(ACPI_SAR_NUM_CHAIN_LIMITS < 2); 797 BUILD_BUG_ON(ACPI_SAR_NUM_CHAIN_LIMITS * ACPI_SAR_NUM_SUB_BANDS != 798 ACPI_SAR_TABLE_SIZE); 799 800 cmd.v5.v3.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_CHAINS); 801 802 if (fw_has_api(&mvm->fw->ucode_capa, 803 IWL_UCODE_TLV_API_REDUCE_TX_POWER)) 804 len = sizeof(cmd.v5); 805 else if (fw_has_capa(&mvm->fw->ucode_capa, 806 IWL_UCODE_TLV_CAPA_TX_POWER_ACK)) 807 len = sizeof(cmd.v4); 808 else 809 len = sizeof(cmd.v4.v3); 810 811 for (i = 0; i < ACPI_SAR_NUM_CHAIN_LIMITS; i++) { 812 struct iwl_mvm_sar_profile *prof; 813 814 /* don't allow SAR to be disabled (profile 0 means disable) */ 815 if (profs[i] == 0) 816 return -EPERM; 817 818 /* we are off by one, so allow up to ACPI_SAR_PROFILE_NUM */ 819 if (profs[i] > ACPI_SAR_PROFILE_NUM) 820 return -EINVAL; 821 822 /* profiles go from 1 to 4, so decrement to access the array */ 823 prof = &mvm->sar_profiles[profs[i] - 1]; 824 825 /* if the profile is disabled, do nothing */ 826 if (!prof->enabled) { 827 IWL_DEBUG_RADIO(mvm, "SAR profile %d is disabled.\n", 828 profs[i]); 829 /* if one of the profiles is disabled, we fail all */ 830 return -ENOENT; 831 } 832 833 IWL_DEBUG_RADIO(mvm, " Chain[%d]:\n", i); 834 for (j = 0; j < ACPI_SAR_NUM_SUB_BANDS; j++) { 835 idx = (i * ACPI_SAR_NUM_SUB_BANDS) + j; 836 cmd.v5.v3.per_chain_restriction[i][j] = 837 cpu_to_le16(prof->table[idx]); 838 IWL_DEBUG_RADIO(mvm, " Band[%d] = %d * .125dBm\n", 839 j, prof->table[idx]); 840 } 841 } 842 843 IWL_DEBUG_RADIO(mvm, "Sending REDUCE_TX_POWER_CMD per chain\n"); 844 845 return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0, len, &cmd); 846 } 847 848 int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm) 849 { 850 struct iwl_geo_tx_power_profiles_resp *resp; 851 int ret; 852 853 struct iwl_geo_tx_power_profiles_cmd geo_cmd = { 854 .ops = cpu_to_le32(IWL_PER_CHAIN_OFFSET_GET_CURRENT_TABLE), 855 }; 856 struct iwl_host_cmd cmd = { 857 .id = WIDE_ID(PHY_OPS_GROUP, GEO_TX_POWER_LIMIT), 858 .len = { sizeof(geo_cmd), }, 859 .flags = CMD_WANT_SKB, 860 .data = { &geo_cmd }, 861 }; 862 863 ret = iwl_mvm_send_cmd(mvm, &cmd); 864 if (ret) { 865 IWL_ERR(mvm, "Failed to get geographic profile info %d\n", ret); 866 return ret; 867 } 868 869 resp = (void *)cmd.resp_pkt->data; 870 ret = le32_to_cpu(resp->profile_idx); 871 if (WARN_ON(ret > ACPI_NUM_GEO_PROFILES)) { 872 ret = -EIO; 873 IWL_WARN(mvm, "Invalid geographic profile idx (%d)\n", ret); 874 } 875 876 iwl_free_resp(&cmd); 877 return ret; 878 } 879 880 static int iwl_mvm_sar_geo_init(struct iwl_mvm *mvm) 881 { 882 struct iwl_geo_tx_power_profiles_cmd cmd = { 883 .ops = cpu_to_le32(IWL_PER_CHAIN_OFFSET_SET_TABLES), 884 }; 885 int ret, i, j; 886 u16 cmd_wide_id = WIDE_ID(PHY_OPS_GROUP, GEO_TX_POWER_LIMIT); 887 888 ret = iwl_mvm_sar_get_wgds_table(mvm); 889 if (ret < 0) { 890 IWL_DEBUG_RADIO(mvm, 891 "Geo SAR BIOS table invalid or unavailable. (%d)\n", 892 ret); 893 /* we don't fail if the table is not available */ 894 return 0; 895 } 896 897 IWL_DEBUG_RADIO(mvm, "Sending GEO_TX_POWER_LIMIT\n"); 898 899 BUILD_BUG_ON(ACPI_NUM_GEO_PROFILES * ACPI_WGDS_NUM_BANDS * 900 ACPI_WGDS_TABLE_SIZE + 1 != ACPI_WGDS_WIFI_DATA_SIZE); 901 902 BUILD_BUG_ON(ACPI_NUM_GEO_PROFILES > IWL_NUM_GEO_PROFILES); 903 904 for (i = 0; i < ACPI_NUM_GEO_PROFILES; i++) { 905 struct iwl_per_chain_offset *chain = 906 (struct iwl_per_chain_offset *)&cmd.table[i]; 907 908 for (j = 0; j < ACPI_WGDS_NUM_BANDS; j++) { 909 u8 *value; 910 911 value = &mvm->geo_profiles[i].values[j * 912 ACPI_GEO_PER_CHAIN_SIZE]; 913 chain[j].max_tx_power = cpu_to_le16(value[0]); 914 chain[j].chain_a = value[1]; 915 chain[j].chain_b = value[2]; 916 IWL_DEBUG_RADIO(mvm, 917 "SAR geographic profile[%d] Band[%d]: chain A = %d chain B = %d max_tx_power = %d\n", 918 i, j, value[1], value[2], value[0]); 919 } 920 } 921 return iwl_mvm_send_cmd_pdu(mvm, cmd_wide_id, 0, sizeof(cmd), &cmd); 922 } 923 924 #else /* CONFIG_ACPI */ 925 static int iwl_mvm_sar_get_wrds_table(struct iwl_mvm *mvm) 926 { 927 return -ENOENT; 928 } 929 930 static int iwl_mvm_sar_get_ewrd_table(struct iwl_mvm *mvm) 931 { 932 return -ENOENT; 933 } 934 935 static int iwl_mvm_sar_get_wgds_table(struct iwl_mvm *mvm) 936 { 937 return -ENOENT; 938 } 939 940 static int iwl_mvm_sar_geo_init(struct iwl_mvm *mvm) 941 { 942 return 0; 943 } 944 945 int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a, 946 int prof_b) 947 { 948 return -ENOENT; 949 } 950 951 int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm) 952 { 953 return -ENOENT; 954 } 955 #endif /* CONFIG_ACPI */ 956 957 static int iwl_mvm_sar_init(struct iwl_mvm *mvm) 958 { 959 int ret; 960 961 ret = iwl_mvm_sar_get_wrds_table(mvm); 962 if (ret < 0) { 963 IWL_DEBUG_RADIO(mvm, 964 "WRDS SAR BIOS table invalid or unavailable. (%d)\n", 965 ret); 966 /* 967 * If not available, don't fail and don't bother with EWRD. 968 * Return 1 to tell that we can't use WGDS either. 969 */ 970 return 1; 971 } 972 973 ret = iwl_mvm_sar_get_ewrd_table(mvm); 974 /* if EWRD is not available, we can still use WRDS, so don't fail */ 975 if (ret < 0) 976 IWL_DEBUG_RADIO(mvm, 977 "EWRD SAR BIOS table invalid or unavailable. (%d)\n", 978 ret); 979 980 /* choose profile 1 (WRDS) as default for both chains */ 981 ret = iwl_mvm_sar_select_profile(mvm, 1, 1); 982 983 /* 984 * If we don't have profile 0 from BIOS, just skip it. This 985 * means that SAR Geo will not be enabled either, even if we 986 * have other valid profiles. 987 */ 988 if (ret == -ENOENT) 989 return 1; 990 991 return ret; 992 } 993 994 static int iwl_mvm_load_rt_fw(struct iwl_mvm *mvm) 995 { 996 int ret; 997 998 if (iwl_mvm_has_unified_ucode(mvm)) 999 return iwl_run_unified_mvm_ucode(mvm, false); 1000 1001 ret = iwl_run_init_mvm_ucode(mvm, false); 1002 1003 if (ret) { 1004 IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", ret); 1005 1006 if (iwlmvm_mod_params.init_dbg) 1007 return 0; 1008 return ret; 1009 } 1010 1011 /* 1012 * Stop and start the transport without entering low power 1013 * mode. This will save the state of other components on the 1014 * device that are triggered by the INIT firwmare (MFUART). 1015 */ 1016 _iwl_trans_stop_device(mvm->trans, false); 1017 ret = _iwl_trans_start_hw(mvm->trans, false); 1018 if (ret) 1019 return ret; 1020 1021 ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_REGULAR); 1022 if (ret) 1023 return ret; 1024 1025 return iwl_init_paging(&mvm->fwrt, mvm->fwrt.cur_fw_img); 1026 } 1027 1028 int iwl_mvm_up(struct iwl_mvm *mvm) 1029 { 1030 int ret, i; 1031 struct ieee80211_channel *chan; 1032 struct cfg80211_chan_def chandef; 1033 1034 lockdep_assert_held(&mvm->mutex); 1035 1036 ret = iwl_trans_start_hw(mvm->trans); 1037 if (ret) 1038 return ret; 1039 1040 ret = iwl_mvm_load_rt_fw(mvm); 1041 if (ret) { 1042 IWL_ERR(mvm, "Failed to start RT ucode: %d\n", ret); 1043 iwl_fw_assert_error_dump(&mvm->fwrt); 1044 goto error; 1045 } 1046 1047 iwl_get_shared_mem_conf(&mvm->fwrt); 1048 1049 ret = iwl_mvm_sf_update(mvm, NULL, false); 1050 if (ret) 1051 IWL_ERR(mvm, "Failed to initialize Smart Fifo\n"); 1052 1053 mvm->fwrt.dump.conf = FW_DBG_INVALID; 1054 /* if we have a destination, assume EARLY START */ 1055 if (mvm->fw->dbg.dest_tlv) 1056 mvm->fwrt.dump.conf = FW_DBG_START_FROM_ALIVE; 1057 iwl_fw_start_dbg_conf(&mvm->fwrt, FW_DBG_START_FROM_ALIVE); 1058 1059 ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm)); 1060 if (ret) 1061 goto error; 1062 1063 if (!iwl_mvm_has_unified_ucode(mvm)) { 1064 /* Send phy db control command and then phy db calibration */ 1065 ret = iwl_send_phy_db_data(mvm->phy_db); 1066 if (ret) 1067 goto error; 1068 1069 ret = iwl_send_phy_cfg_cmd(mvm); 1070 if (ret) 1071 goto error; 1072 } 1073 1074 ret = iwl_mvm_send_bt_init_conf(mvm); 1075 if (ret) 1076 goto error; 1077 1078 /* Init RSS configuration */ 1079 if (mvm->trans->cfg->device_family >= IWL_DEVICE_FAMILY_22000) { 1080 ret = iwl_configure_rxq(mvm); 1081 if (ret) { 1082 IWL_ERR(mvm, "Failed to configure RX queues: %d\n", 1083 ret); 1084 goto error; 1085 } 1086 } 1087 1088 if (iwl_mvm_has_new_rx_api(mvm)) { 1089 ret = iwl_send_rss_cfg_cmd(mvm); 1090 if (ret) { 1091 IWL_ERR(mvm, "Failed to configure RSS queues: %d\n", 1092 ret); 1093 goto error; 1094 } 1095 } 1096 1097 /* init the fw <-> mac80211 STA mapping */ 1098 for (i = 0; i < ARRAY_SIZE(mvm->fw_id_to_mac_id); i++) 1099 RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL); 1100 1101 mvm->tdls_cs.peer.sta_id = IWL_MVM_INVALID_STA; 1102 1103 /* reset quota debouncing buffer - 0xff will yield invalid data */ 1104 memset(&mvm->last_quota_cmd, 0xff, sizeof(mvm->last_quota_cmd)); 1105 1106 ret = iwl_mvm_send_dqa_cmd(mvm); 1107 if (ret) 1108 goto error; 1109 1110 /* Add auxiliary station for scanning */ 1111 ret = iwl_mvm_add_aux_sta(mvm); 1112 if (ret) 1113 goto error; 1114 1115 /* Add all the PHY contexts */ 1116 chan = &mvm->hw->wiphy->bands[NL80211_BAND_2GHZ]->channels[0]; 1117 cfg80211_chandef_create(&chandef, chan, NL80211_CHAN_NO_HT); 1118 for (i = 0; i < NUM_PHY_CTX; i++) { 1119 /* 1120 * The channel used here isn't relevant as it's 1121 * going to be overwritten in the other flows. 1122 * For now use the first channel we have. 1123 */ 1124 ret = iwl_mvm_phy_ctxt_add(mvm, &mvm->phy_ctxts[i], 1125 &chandef, 1, 1); 1126 if (ret) 1127 goto error; 1128 } 1129 1130 #ifdef CONFIG_THERMAL 1131 if (iwl_mvm_is_tt_in_fw(mvm)) { 1132 /* in order to give the responsibility of ct-kill and 1133 * TX backoff to FW we need to send empty temperature reporting 1134 * cmd during init time 1135 */ 1136 iwl_mvm_send_temp_report_ths_cmd(mvm); 1137 } else { 1138 /* Initialize tx backoffs to the minimal possible */ 1139 iwl_mvm_tt_tx_backoff(mvm, 0); 1140 } 1141 1142 /* TODO: read the budget from BIOS / Platform NVM */ 1143 1144 /* 1145 * In case there is no budget from BIOS / Platform NVM the default 1146 * budget should be 2000mW (cooling state 0). 1147 */ 1148 if (iwl_mvm_is_ctdp_supported(mvm)) { 1149 ret = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_START, 1150 mvm->cooling_dev.cur_state); 1151 if (ret) 1152 goto error; 1153 } 1154 #else 1155 /* Initialize tx backoffs to the minimal possible */ 1156 iwl_mvm_tt_tx_backoff(mvm, 0); 1157 #endif 1158 1159 WARN_ON(iwl_mvm_config_ltr(mvm)); 1160 1161 ret = iwl_mvm_power_update_device(mvm); 1162 if (ret) 1163 goto error; 1164 1165 /* 1166 * RTNL is not taken during Ct-kill, but we don't need to scan/Tx 1167 * anyway, so don't init MCC. 1168 */ 1169 if (!test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status)) { 1170 ret = iwl_mvm_init_mcc(mvm); 1171 if (ret) 1172 goto error; 1173 } 1174 1175 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) { 1176 mvm->scan_type = IWL_SCAN_TYPE_NOT_SET; 1177 mvm->hb_scan_type = IWL_SCAN_TYPE_NOT_SET; 1178 ret = iwl_mvm_config_scan(mvm); 1179 if (ret) 1180 goto error; 1181 } 1182 1183 /* allow FW/transport low power modes if not during restart */ 1184 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1185 iwl_mvm_unref(mvm, IWL_MVM_REF_UCODE_DOWN); 1186 1187 ret = iwl_mvm_sar_init(mvm); 1188 if (ret == 0) { 1189 ret = iwl_mvm_sar_geo_init(mvm); 1190 } else if (ret > 0 && !iwl_mvm_sar_get_wgds_table(mvm)) { 1191 /* 1192 * If basic SAR is not available, we check for WGDS, 1193 * which should *not* be available either. If it is 1194 * available, issue an error, because we can't use SAR 1195 * Geo without basic SAR. 1196 */ 1197 IWL_ERR(mvm, "BIOS contains WGDS but no WRDS\n"); 1198 } 1199 1200 if (ret < 0) 1201 goto error; 1202 1203 iwl_mvm_leds_sync(mvm); 1204 1205 IWL_DEBUG_INFO(mvm, "RT uCode started.\n"); 1206 return 0; 1207 error: 1208 if (!iwlmvm_mod_params.init_dbg || !ret) 1209 iwl_mvm_stop_device(mvm); 1210 return ret; 1211 } 1212 1213 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm) 1214 { 1215 int ret, i; 1216 1217 lockdep_assert_held(&mvm->mutex); 1218 1219 ret = iwl_trans_start_hw(mvm->trans); 1220 if (ret) 1221 return ret; 1222 1223 ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_WOWLAN); 1224 if (ret) { 1225 IWL_ERR(mvm, "Failed to start WoWLAN firmware: %d\n", ret); 1226 goto error; 1227 } 1228 1229 ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm)); 1230 if (ret) 1231 goto error; 1232 1233 /* Send phy db control command and then phy db calibration*/ 1234 ret = iwl_send_phy_db_data(mvm->phy_db); 1235 if (ret) 1236 goto error; 1237 1238 ret = iwl_send_phy_cfg_cmd(mvm); 1239 if (ret) 1240 goto error; 1241 1242 /* init the fw <-> mac80211 STA mapping */ 1243 for (i = 0; i < ARRAY_SIZE(mvm->fw_id_to_mac_id); i++) 1244 RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL); 1245 1246 /* Add auxiliary station for scanning */ 1247 ret = iwl_mvm_add_aux_sta(mvm); 1248 if (ret) 1249 goto error; 1250 1251 return 0; 1252 error: 1253 iwl_mvm_stop_device(mvm); 1254 return ret; 1255 } 1256 1257 void iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm, 1258 struct iwl_rx_cmd_buffer *rxb) 1259 { 1260 struct iwl_rx_packet *pkt = rxb_addr(rxb); 1261 struct iwl_card_state_notif *card_state_notif = (void *)pkt->data; 1262 u32 flags = le32_to_cpu(card_state_notif->flags); 1263 1264 IWL_DEBUG_RF_KILL(mvm, "Card state received: HW:%s SW:%s CT:%s\n", 1265 (flags & HW_CARD_DISABLED) ? "Kill" : "On", 1266 (flags & SW_CARD_DISABLED) ? "Kill" : "On", 1267 (flags & CT_KILL_CARD_DISABLED) ? 1268 "Reached" : "Not reached"); 1269 } 1270 1271 void iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm, 1272 struct iwl_rx_cmd_buffer *rxb) 1273 { 1274 struct iwl_rx_packet *pkt = rxb_addr(rxb); 1275 struct iwl_mfuart_load_notif *mfuart_notif = (void *)pkt->data; 1276 1277 IWL_DEBUG_INFO(mvm, 1278 "MFUART: installed ver: 0x%08x, external ver: 0x%08x, status: 0x%08x, duration: 0x%08x\n", 1279 le32_to_cpu(mfuart_notif->installed_ver), 1280 le32_to_cpu(mfuart_notif->external_ver), 1281 le32_to_cpu(mfuart_notif->status), 1282 le32_to_cpu(mfuart_notif->duration)); 1283 1284 if (iwl_rx_packet_payload_len(pkt) == sizeof(*mfuart_notif)) 1285 IWL_DEBUG_INFO(mvm, 1286 "MFUART: image size: 0x%08x\n", 1287 le32_to_cpu(mfuart_notif->image_size)); 1288 } 1289