1 /****************************************************************************** 2 * 3 * This file is provided under a dual BSD/GPLv2 license. When using or 4 * redistributing this file, you may do so under either license. 5 * 6 * GPL LICENSE SUMMARY 7 * 8 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. 9 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH 10 * Copyright(c) 2016 - 2017 Intel Deutschland GmbH 11 * Copyright(c) 2018 - 2019 Intel Corporation 12 * 13 * This program is free software; you can redistribute it and/or modify 14 * it under the terms of version 2 of the GNU General Public License as 15 * published by the Free Software Foundation. 16 * 17 * This program is distributed in the hope that it will be useful, but 18 * WITHOUT ANY WARRANTY; without even the implied warranty of 19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 20 * General Public License for more details. 21 * 22 * The full GNU General Public License is included in this distribution 23 * in the file called COPYING. 24 * 25 * Contact Information: 26 * Intel Linux Wireless <linuxwifi@intel.com> 27 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 28 * 29 * BSD LICENSE 30 * 31 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. 32 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH 33 * Copyright(c) 2016 - 2017 Intel Deutschland GmbH 34 * Copyright(c) 2018 - 2019 Intel Corporation 35 * All rights reserved. 36 * 37 * Redistribution and use in source and binary forms, with or without 38 * modification, are permitted provided that the following conditions 39 * are met: 40 * 41 * * Redistributions of source code must retain the above copyright 42 * notice, this list of conditions and the following disclaimer. 43 * * Redistributions in binary form must reproduce the above copyright 44 * notice, this list of conditions and the following disclaimer in 45 * the documentation and/or other materials provided with the 46 * distribution. 47 * * Neither the name Intel Corporation nor the names of its 48 * contributors may be used to endorse or promote products derived 49 * from this software without specific prior written permission. 50 * 51 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 52 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 53 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 54 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 55 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 56 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 57 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 58 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 59 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 60 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 61 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 62 * 63 *****************************************************************************/ 64 #include <net/mac80211.h> 65 #include <linux/netdevice.h> 66 67 #include "iwl-trans.h" 68 #include "iwl-op-mode.h" 69 #include "fw/img.h" 70 #include "iwl-debug.h" 71 #include "iwl-csr.h" /* for iwl_mvm_rx_card_state_notif */ 72 #include "iwl-io.h" /* for iwl_mvm_rx_card_state_notif */ 73 #include "iwl-prph.h" 74 #include "fw/acpi.h" 75 76 #include "mvm.h" 77 #include "fw/dbg.h" 78 #include "iwl-phy-db.h" 79 #include "iwl-modparams.h" 80 #include "iwl-nvm-parse.h" 81 82 #define MVM_UCODE_ALIVE_TIMEOUT HZ 83 #define MVM_UCODE_CALIB_TIMEOUT (2*HZ) 84 85 #define UCODE_VALID_OK cpu_to_le32(0x1) 86 87 struct iwl_mvm_alive_data { 88 bool valid; 89 u32 scd_base_addr; 90 }; 91 92 static int iwl_send_tx_ant_cfg(struct iwl_mvm *mvm, u8 valid_tx_ant) 93 { 94 struct iwl_tx_ant_cfg_cmd tx_ant_cmd = { 95 .valid = cpu_to_le32(valid_tx_ant), 96 }; 97 98 IWL_DEBUG_FW(mvm, "select valid tx ant: %u\n", valid_tx_ant); 99 return iwl_mvm_send_cmd_pdu(mvm, TX_ANT_CONFIGURATION_CMD, 0, 100 sizeof(tx_ant_cmd), &tx_ant_cmd); 101 } 102 103 static int iwl_send_rss_cfg_cmd(struct iwl_mvm *mvm) 104 { 105 int i; 106 struct iwl_rss_config_cmd cmd = { 107 .flags = cpu_to_le32(IWL_RSS_ENABLE), 108 .hash_mask = BIT(IWL_RSS_HASH_TYPE_IPV4_TCP) | 109 BIT(IWL_RSS_HASH_TYPE_IPV4_UDP) | 110 BIT(IWL_RSS_HASH_TYPE_IPV4_PAYLOAD) | 111 BIT(IWL_RSS_HASH_TYPE_IPV6_TCP) | 112 BIT(IWL_RSS_HASH_TYPE_IPV6_UDP) | 113 BIT(IWL_RSS_HASH_TYPE_IPV6_PAYLOAD), 114 }; 115 116 if (mvm->trans->num_rx_queues == 1) 117 return 0; 118 119 /* Do not direct RSS traffic to Q 0 which is our fallback queue */ 120 for (i = 0; i < ARRAY_SIZE(cmd.indirection_table); i++) 121 cmd.indirection_table[i] = 122 1 + (i % (mvm->trans->num_rx_queues - 1)); 123 netdev_rss_key_fill(cmd.secret_key, sizeof(cmd.secret_key)); 124 125 return iwl_mvm_send_cmd_pdu(mvm, RSS_CONFIG_CMD, 0, sizeof(cmd), &cmd); 126 } 127 128 static int iwl_configure_rxq(struct iwl_mvm *mvm) 129 { 130 int i, num_queues, size, ret; 131 struct iwl_rfh_queue_config *cmd; 132 struct iwl_host_cmd hcmd = { 133 .id = WIDE_ID(DATA_PATH_GROUP, RFH_QUEUE_CONFIG_CMD), 134 .dataflags[0] = IWL_HCMD_DFL_NOCOPY, 135 }; 136 137 /* Do not configure default queue, it is configured via context info */ 138 num_queues = mvm->trans->num_rx_queues - 1; 139 140 size = struct_size(cmd, data, num_queues); 141 142 cmd = kzalloc(size, GFP_KERNEL); 143 if (!cmd) 144 return -ENOMEM; 145 146 cmd->num_queues = num_queues; 147 148 for (i = 0; i < num_queues; i++) { 149 struct iwl_trans_rxq_dma_data data; 150 151 cmd->data[i].q_num = i + 1; 152 iwl_trans_get_rxq_dma_data(mvm->trans, i + 1, &data); 153 154 cmd->data[i].fr_bd_cb = cpu_to_le64(data.fr_bd_cb); 155 cmd->data[i].urbd_stts_wrptr = 156 cpu_to_le64(data.urbd_stts_wrptr); 157 cmd->data[i].ur_bd_cb = cpu_to_le64(data.ur_bd_cb); 158 cmd->data[i].fr_bd_wid = cpu_to_le32(data.fr_bd_wid); 159 } 160 161 hcmd.data[0] = cmd; 162 hcmd.len[0] = size; 163 164 ret = iwl_mvm_send_cmd(mvm, &hcmd); 165 166 kfree(cmd); 167 168 return ret; 169 } 170 171 static int iwl_mvm_send_dqa_cmd(struct iwl_mvm *mvm) 172 { 173 struct iwl_dqa_enable_cmd dqa_cmd = { 174 .cmd_queue = cpu_to_le32(IWL_MVM_DQA_CMD_QUEUE), 175 }; 176 u32 cmd_id = iwl_cmd_id(DQA_ENABLE_CMD, DATA_PATH_GROUP, 0); 177 int ret; 178 179 ret = iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, sizeof(dqa_cmd), &dqa_cmd); 180 if (ret) 181 IWL_ERR(mvm, "Failed to send DQA enabling command: %d\n", ret); 182 else 183 IWL_DEBUG_FW(mvm, "Working in DQA mode\n"); 184 185 return ret; 186 } 187 188 void iwl_mvm_mfu_assert_dump_notif(struct iwl_mvm *mvm, 189 struct iwl_rx_cmd_buffer *rxb) 190 { 191 struct iwl_rx_packet *pkt = rxb_addr(rxb); 192 struct iwl_mfu_assert_dump_notif *mfu_dump_notif = (void *)pkt->data; 193 __le32 *dump_data = mfu_dump_notif->data; 194 int n_words = le32_to_cpu(mfu_dump_notif->data_size) / sizeof(__le32); 195 int i; 196 197 if (mfu_dump_notif->index_num == 0) 198 IWL_INFO(mvm, "MFUART assert id 0x%x occurred\n", 199 le32_to_cpu(mfu_dump_notif->assert_id)); 200 201 for (i = 0; i < n_words; i++) 202 IWL_DEBUG_INFO(mvm, 203 "MFUART assert dump, dword %u: 0x%08x\n", 204 le16_to_cpu(mfu_dump_notif->index_num) * 205 n_words + i, 206 le32_to_cpu(dump_data[i])); 207 } 208 209 static bool iwl_alive_fn(struct iwl_notif_wait_data *notif_wait, 210 struct iwl_rx_packet *pkt, void *data) 211 { 212 struct iwl_mvm *mvm = 213 container_of(notif_wait, struct iwl_mvm, notif_wait); 214 struct iwl_mvm_alive_data *alive_data = data; 215 struct mvm_alive_resp_v3 *palive3; 216 struct mvm_alive_resp *palive; 217 struct iwl_umac_alive *umac; 218 struct iwl_lmac_alive *lmac1; 219 struct iwl_lmac_alive *lmac2 = NULL; 220 u16 status; 221 u32 lmac_error_event_table, umac_error_event_table; 222 223 if (iwl_rx_packet_payload_len(pkt) == sizeof(*palive)) { 224 palive = (void *)pkt->data; 225 umac = &palive->umac_data; 226 lmac1 = &palive->lmac_data[0]; 227 lmac2 = &palive->lmac_data[1]; 228 status = le16_to_cpu(palive->status); 229 } else { 230 palive3 = (void *)pkt->data; 231 umac = &palive3->umac_data; 232 lmac1 = &palive3->lmac_data; 233 status = le16_to_cpu(palive3->status); 234 } 235 236 lmac_error_event_table = 237 le32_to_cpu(lmac1->dbg_ptrs.error_event_table_ptr); 238 iwl_fw_lmac1_set_alive_err_table(mvm->trans, lmac_error_event_table); 239 240 if (lmac2) 241 mvm->trans->lmac_error_event_table[1] = 242 le32_to_cpu(lmac2->dbg_ptrs.error_event_table_ptr); 243 244 umac_error_event_table = le32_to_cpu(umac->dbg_ptrs.error_info_addr); 245 246 if (!umac_error_event_table) { 247 mvm->support_umac_log = false; 248 } else if (umac_error_event_table >= 249 mvm->trans->cfg->min_umac_error_event_table) { 250 mvm->support_umac_log = true; 251 } else { 252 IWL_ERR(mvm, 253 "Not valid error log pointer 0x%08X for %s uCode\n", 254 umac_error_event_table, 255 (mvm->fwrt.cur_fw_img == IWL_UCODE_INIT) ? 256 "Init" : "RT"); 257 mvm->support_umac_log = false; 258 } 259 260 if (mvm->support_umac_log) 261 iwl_fw_umac_set_alive_err_table(mvm->trans, 262 umac_error_event_table); 263 264 alive_data->scd_base_addr = le32_to_cpu(lmac1->dbg_ptrs.scd_base_ptr); 265 alive_data->valid = status == IWL_ALIVE_STATUS_OK; 266 267 IWL_DEBUG_FW(mvm, 268 "Alive ucode status 0x%04x revision 0x%01X 0x%01X\n", 269 status, lmac1->ver_type, lmac1->ver_subtype); 270 271 if (lmac2) 272 IWL_DEBUG_FW(mvm, "Alive ucode CDB\n"); 273 274 IWL_DEBUG_FW(mvm, 275 "UMAC version: Major - 0x%x, Minor - 0x%x\n", 276 le32_to_cpu(umac->umac_major), 277 le32_to_cpu(umac->umac_minor)); 278 279 return true; 280 } 281 282 static bool iwl_wait_init_complete(struct iwl_notif_wait_data *notif_wait, 283 struct iwl_rx_packet *pkt, void *data) 284 { 285 WARN_ON(pkt->hdr.cmd != INIT_COMPLETE_NOTIF); 286 287 return true; 288 } 289 290 static bool iwl_wait_phy_db_entry(struct iwl_notif_wait_data *notif_wait, 291 struct iwl_rx_packet *pkt, void *data) 292 { 293 struct iwl_phy_db *phy_db = data; 294 295 if (pkt->hdr.cmd != CALIB_RES_NOTIF_PHY_DB) { 296 WARN_ON(pkt->hdr.cmd != INIT_COMPLETE_NOTIF); 297 return true; 298 } 299 300 WARN_ON(iwl_phy_db_set_section(phy_db, pkt)); 301 302 return false; 303 } 304 305 static int iwl_mvm_load_ucode_wait_alive(struct iwl_mvm *mvm, 306 enum iwl_ucode_type ucode_type) 307 { 308 struct iwl_notification_wait alive_wait; 309 struct iwl_mvm_alive_data alive_data = {}; 310 const struct fw_img *fw; 311 int ret; 312 enum iwl_ucode_type old_type = mvm->fwrt.cur_fw_img; 313 static const u16 alive_cmd[] = { MVM_ALIVE }; 314 315 if (ucode_type == IWL_UCODE_REGULAR && 316 iwl_fw_dbg_conf_usniffer(mvm->fw, FW_DBG_START_FROM_ALIVE) && 317 !(fw_has_capa(&mvm->fw->ucode_capa, 318 IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED))) 319 fw = iwl_get_ucode_image(mvm->fw, IWL_UCODE_REGULAR_USNIFFER); 320 else 321 fw = iwl_get_ucode_image(mvm->fw, ucode_type); 322 if (WARN_ON(!fw)) 323 return -EINVAL; 324 iwl_fw_set_current_image(&mvm->fwrt, ucode_type); 325 clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); 326 327 iwl_init_notification_wait(&mvm->notif_wait, &alive_wait, 328 alive_cmd, ARRAY_SIZE(alive_cmd), 329 iwl_alive_fn, &alive_data); 330 331 ret = iwl_trans_start_fw(mvm->trans, fw, ucode_type == IWL_UCODE_INIT); 332 if (ret) { 333 iwl_fw_set_current_image(&mvm->fwrt, old_type); 334 iwl_remove_notification(&mvm->notif_wait, &alive_wait); 335 return ret; 336 } 337 338 /* 339 * Some things may run in the background now, but we 340 * just wait for the ALIVE notification here. 341 */ 342 ret = iwl_wait_notification(&mvm->notif_wait, &alive_wait, 343 MVM_UCODE_ALIVE_TIMEOUT); 344 if (ret) { 345 struct iwl_trans *trans = mvm->trans; 346 347 if (ret == -ETIMEDOUT) 348 iwl_fw_dbg_error_collect(&mvm->fwrt, 349 FW_DBG_TRIGGER_ALIVE_TIMEOUT); 350 351 if (trans->cfg->device_family >= IWL_DEVICE_FAMILY_22000) 352 IWL_ERR(mvm, 353 "SecBoot CPU1 Status: 0x%x, CPU2 Status: 0x%x\n", 354 iwl_read_umac_prph(trans, UMAG_SB_CPU_1_STATUS), 355 iwl_read_umac_prph(trans, 356 UMAG_SB_CPU_2_STATUS)); 357 else if (trans->cfg->device_family >= IWL_DEVICE_FAMILY_8000) 358 IWL_ERR(mvm, 359 "SecBoot CPU1 Status: 0x%x, CPU2 Status: 0x%x\n", 360 iwl_read_prph(trans, SB_CPU_1_STATUS), 361 iwl_read_prph(trans, SB_CPU_2_STATUS)); 362 iwl_fw_set_current_image(&mvm->fwrt, old_type); 363 return ret; 364 } 365 366 if (!alive_data.valid) { 367 IWL_ERR(mvm, "Loaded ucode is not valid!\n"); 368 iwl_fw_set_current_image(&mvm->fwrt, old_type); 369 return -EIO; 370 } 371 372 iwl_trans_fw_alive(mvm->trans, alive_data.scd_base_addr); 373 374 /* 375 * Note: all the queues are enabled as part of the interface 376 * initialization, but in firmware restart scenarios they 377 * could be stopped, so wake them up. In firmware restart, 378 * mac80211 will have the queues stopped as well until the 379 * reconfiguration completes. During normal startup, they 380 * will be empty. 381 */ 382 383 memset(&mvm->queue_info, 0, sizeof(mvm->queue_info)); 384 /* 385 * Set a 'fake' TID for the command queue, since we use the 386 * hweight() of the tid_bitmap as a refcount now. Not that 387 * we ever even consider the command queue as one we might 388 * want to reuse, but be safe nevertheless. 389 */ 390 mvm->queue_info[IWL_MVM_DQA_CMD_QUEUE].tid_bitmap = 391 BIT(IWL_MAX_TID_COUNT + 2); 392 393 set_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); 394 #ifdef CONFIG_IWLWIFI_DEBUGFS 395 iwl_fw_set_dbg_rec_on(&mvm->fwrt); 396 #endif 397 398 return 0; 399 } 400 401 static int iwl_run_unified_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm) 402 { 403 struct iwl_notification_wait init_wait; 404 struct iwl_nvm_access_complete_cmd nvm_complete = {}; 405 struct iwl_init_extended_cfg_cmd init_cfg = { 406 .init_flags = cpu_to_le32(BIT(IWL_INIT_NVM)), 407 }; 408 static const u16 init_complete[] = { 409 INIT_COMPLETE_NOTIF, 410 }; 411 int ret; 412 413 lockdep_assert_held(&mvm->mutex); 414 415 iwl_init_notification_wait(&mvm->notif_wait, 416 &init_wait, 417 init_complete, 418 ARRAY_SIZE(init_complete), 419 iwl_wait_init_complete, 420 NULL); 421 422 iwl_fw_dbg_apply_point(&mvm->fwrt, IWL_FW_INI_APPLY_EARLY); 423 424 /* Will also start the device */ 425 ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_REGULAR); 426 if (ret) { 427 IWL_ERR(mvm, "Failed to start RT ucode: %d\n", ret); 428 goto error; 429 } 430 iwl_fw_dbg_apply_point(&mvm->fwrt, IWL_FW_INI_APPLY_AFTER_ALIVE); 431 432 /* Send init config command to mark that we are sending NVM access 433 * commands 434 */ 435 ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(SYSTEM_GROUP, 436 INIT_EXTENDED_CFG_CMD), 0, 437 sizeof(init_cfg), &init_cfg); 438 if (ret) { 439 IWL_ERR(mvm, "Failed to run init config command: %d\n", 440 ret); 441 goto error; 442 } 443 444 /* Load NVM to NIC if needed */ 445 if (mvm->nvm_file_name) { 446 iwl_read_external_nvm(mvm->trans, mvm->nvm_file_name, 447 mvm->nvm_sections); 448 iwl_mvm_load_nvm_to_nic(mvm); 449 } 450 451 if (IWL_MVM_PARSE_NVM && read_nvm) { 452 ret = iwl_nvm_init(mvm); 453 if (ret) { 454 IWL_ERR(mvm, "Failed to read NVM: %d\n", ret); 455 goto error; 456 } 457 } 458 459 ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(REGULATORY_AND_NVM_GROUP, 460 NVM_ACCESS_COMPLETE), 0, 461 sizeof(nvm_complete), &nvm_complete); 462 if (ret) { 463 IWL_ERR(mvm, "Failed to run complete NVM access: %d\n", 464 ret); 465 goto error; 466 } 467 468 /* We wait for the INIT complete notification */ 469 ret = iwl_wait_notification(&mvm->notif_wait, &init_wait, 470 MVM_UCODE_ALIVE_TIMEOUT); 471 if (ret) 472 return ret; 473 474 /* Read the NVM only at driver load time, no need to do this twice */ 475 if (!IWL_MVM_PARSE_NVM && read_nvm) { 476 mvm->nvm_data = iwl_get_nvm(mvm->trans, mvm->fw); 477 if (IS_ERR(mvm->nvm_data)) { 478 ret = PTR_ERR(mvm->nvm_data); 479 mvm->nvm_data = NULL; 480 IWL_ERR(mvm, "Failed to read NVM: %d\n", ret); 481 return ret; 482 } 483 } 484 485 return 0; 486 487 error: 488 iwl_remove_notification(&mvm->notif_wait, &init_wait); 489 return ret; 490 } 491 492 static int iwl_send_phy_cfg_cmd(struct iwl_mvm *mvm) 493 { 494 struct iwl_phy_cfg_cmd phy_cfg_cmd; 495 enum iwl_ucode_type ucode_type = mvm->fwrt.cur_fw_img; 496 497 /* Set parameters */ 498 phy_cfg_cmd.phy_cfg = cpu_to_le32(iwl_mvm_get_phy_config(mvm)); 499 500 /* set flags extra PHY configuration flags from the device's cfg */ 501 phy_cfg_cmd.phy_cfg |= cpu_to_le32(mvm->cfg->extra_phy_cfg_flags); 502 503 phy_cfg_cmd.calib_control.event_trigger = 504 mvm->fw->default_calib[ucode_type].event_trigger; 505 phy_cfg_cmd.calib_control.flow_trigger = 506 mvm->fw->default_calib[ucode_type].flow_trigger; 507 508 IWL_DEBUG_INFO(mvm, "Sending Phy CFG command: 0x%x\n", 509 phy_cfg_cmd.phy_cfg); 510 511 return iwl_mvm_send_cmd_pdu(mvm, PHY_CONFIGURATION_CMD, 0, 512 sizeof(phy_cfg_cmd), &phy_cfg_cmd); 513 } 514 515 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm) 516 { 517 struct iwl_notification_wait calib_wait; 518 static const u16 init_complete[] = { 519 INIT_COMPLETE_NOTIF, 520 CALIB_RES_NOTIF_PHY_DB 521 }; 522 int ret; 523 524 if (iwl_mvm_has_unified_ucode(mvm)) 525 return iwl_run_unified_mvm_ucode(mvm, true); 526 527 lockdep_assert_held(&mvm->mutex); 528 529 if (WARN_ON_ONCE(mvm->calibrating)) 530 return 0; 531 532 iwl_init_notification_wait(&mvm->notif_wait, 533 &calib_wait, 534 init_complete, 535 ARRAY_SIZE(init_complete), 536 iwl_wait_phy_db_entry, 537 mvm->phy_db); 538 539 /* Will also start the device */ 540 ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_INIT); 541 if (ret) { 542 IWL_ERR(mvm, "Failed to start INIT ucode: %d\n", ret); 543 goto remove_notif; 544 } 545 546 if (mvm->cfg->device_family < IWL_DEVICE_FAMILY_8000) { 547 ret = iwl_mvm_send_bt_init_conf(mvm); 548 if (ret) 549 goto remove_notif; 550 } 551 552 /* Read the NVM only at driver load time, no need to do this twice */ 553 if (read_nvm) { 554 ret = iwl_nvm_init(mvm); 555 if (ret) { 556 IWL_ERR(mvm, "Failed to read NVM: %d\n", ret); 557 goto remove_notif; 558 } 559 } 560 561 /* In case we read the NVM from external file, load it to the NIC */ 562 if (mvm->nvm_file_name) 563 iwl_mvm_load_nvm_to_nic(mvm); 564 565 WARN_ONCE(mvm->nvm_data->nvm_version < mvm->trans->cfg->nvm_ver, 566 "Too old NVM version (0x%0x, required = 0x%0x)", 567 mvm->nvm_data->nvm_version, mvm->trans->cfg->nvm_ver); 568 569 /* 570 * abort after reading the nvm in case RF Kill is on, we will complete 571 * the init seq later when RF kill will switch to off 572 */ 573 if (iwl_mvm_is_radio_hw_killed(mvm)) { 574 IWL_DEBUG_RF_KILL(mvm, 575 "jump over all phy activities due to RF kill\n"); 576 goto remove_notif; 577 } 578 579 mvm->calibrating = true; 580 581 /* Send TX valid antennas before triggering calibrations */ 582 ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm)); 583 if (ret) 584 goto remove_notif; 585 586 ret = iwl_send_phy_cfg_cmd(mvm); 587 if (ret) { 588 IWL_ERR(mvm, "Failed to run INIT calibrations: %d\n", 589 ret); 590 goto remove_notif; 591 } 592 593 /* 594 * Some things may run in the background now, but we 595 * just wait for the calibration complete notification. 596 */ 597 ret = iwl_wait_notification(&mvm->notif_wait, &calib_wait, 598 MVM_UCODE_CALIB_TIMEOUT); 599 if (!ret) 600 goto out; 601 602 if (iwl_mvm_is_radio_hw_killed(mvm)) { 603 IWL_DEBUG_RF_KILL(mvm, "RFKILL while calibrating.\n"); 604 ret = 0; 605 } else { 606 IWL_ERR(mvm, "Failed to run INIT calibrations: %d\n", 607 ret); 608 } 609 610 goto out; 611 612 remove_notif: 613 iwl_remove_notification(&mvm->notif_wait, &calib_wait); 614 out: 615 mvm->calibrating = false; 616 if (iwlmvm_mod_params.init_dbg && !mvm->nvm_data) { 617 /* we want to debug INIT and we have no NVM - fake */ 618 mvm->nvm_data = kzalloc(sizeof(struct iwl_nvm_data) + 619 sizeof(struct ieee80211_channel) + 620 sizeof(struct ieee80211_rate), 621 GFP_KERNEL); 622 if (!mvm->nvm_data) 623 return -ENOMEM; 624 mvm->nvm_data->bands[0].channels = mvm->nvm_data->channels; 625 mvm->nvm_data->bands[0].n_channels = 1; 626 mvm->nvm_data->bands[0].n_bitrates = 1; 627 mvm->nvm_data->bands[0].bitrates = 628 (void *)mvm->nvm_data->channels + 1; 629 mvm->nvm_data->bands[0].bitrates->hw_value = 10; 630 } 631 632 return ret; 633 } 634 635 static int iwl_mvm_config_ltr(struct iwl_mvm *mvm) 636 { 637 struct iwl_ltr_config_cmd cmd = { 638 .flags = cpu_to_le32(LTR_CFG_FLAG_FEATURE_ENABLE), 639 }; 640 641 if (!mvm->trans->ltr_enabled) 642 return 0; 643 644 return iwl_mvm_send_cmd_pdu(mvm, LTR_CONFIG, 0, 645 sizeof(cmd), &cmd); 646 } 647 648 #ifdef CONFIG_ACPI 649 static inline int iwl_mvm_sar_set_profile(struct iwl_mvm *mvm, 650 union acpi_object *table, 651 struct iwl_mvm_sar_profile *profile, 652 bool enabled) 653 { 654 int i; 655 656 profile->enabled = enabled; 657 658 for (i = 0; i < ACPI_SAR_TABLE_SIZE; i++) { 659 if ((table[i].type != ACPI_TYPE_INTEGER) || 660 (table[i].integer.value > U8_MAX)) 661 return -EINVAL; 662 663 profile->table[i] = table[i].integer.value; 664 } 665 666 return 0; 667 } 668 669 static int iwl_mvm_sar_get_wrds_table(struct iwl_mvm *mvm) 670 { 671 union acpi_object *wifi_pkg, *table, *data; 672 bool enabled; 673 int ret; 674 675 data = iwl_acpi_get_object(mvm->dev, ACPI_WRDS_METHOD); 676 if (IS_ERR(data)) 677 return PTR_ERR(data); 678 679 wifi_pkg = iwl_acpi_get_wifi_pkg(mvm->dev, data, 680 ACPI_WRDS_WIFI_DATA_SIZE); 681 if (IS_ERR(wifi_pkg)) { 682 ret = PTR_ERR(wifi_pkg); 683 goto out_free; 684 } 685 686 if (wifi_pkg->package.elements[1].type != ACPI_TYPE_INTEGER) { 687 ret = -EINVAL; 688 goto out_free; 689 } 690 691 enabled = !!(wifi_pkg->package.elements[1].integer.value); 692 693 /* position of the actual table */ 694 table = &wifi_pkg->package.elements[2]; 695 696 /* The profile from WRDS is officially profile 1, but goes 697 * into sar_profiles[0] (because we don't have a profile 0). 698 */ 699 ret = iwl_mvm_sar_set_profile(mvm, table, &mvm->sar_profiles[0], 700 enabled); 701 out_free: 702 kfree(data); 703 return ret; 704 } 705 706 static int iwl_mvm_sar_get_ewrd_table(struct iwl_mvm *mvm) 707 { 708 union acpi_object *wifi_pkg, *data; 709 bool enabled; 710 int i, n_profiles, ret; 711 712 data = iwl_acpi_get_object(mvm->dev, ACPI_EWRD_METHOD); 713 if (IS_ERR(data)) 714 return PTR_ERR(data); 715 716 wifi_pkg = iwl_acpi_get_wifi_pkg(mvm->dev, data, 717 ACPI_EWRD_WIFI_DATA_SIZE); 718 if (IS_ERR(wifi_pkg)) { 719 ret = PTR_ERR(wifi_pkg); 720 goto out_free; 721 } 722 723 if ((wifi_pkg->package.elements[1].type != ACPI_TYPE_INTEGER) || 724 (wifi_pkg->package.elements[2].type != ACPI_TYPE_INTEGER)) { 725 ret = -EINVAL; 726 goto out_free; 727 } 728 729 enabled = !!(wifi_pkg->package.elements[1].integer.value); 730 n_profiles = wifi_pkg->package.elements[2].integer.value; 731 732 /* 733 * Check the validity of n_profiles. The EWRD profiles start 734 * from index 1, so the maximum value allowed here is 735 * ACPI_SAR_PROFILES_NUM - 1. 736 */ 737 if (n_profiles <= 0 || n_profiles >= ACPI_SAR_PROFILE_NUM) { 738 ret = -EINVAL; 739 goto out_free; 740 } 741 742 for (i = 0; i < n_profiles; i++) { 743 /* the tables start at element 3 */ 744 static int pos = 3; 745 746 /* The EWRD profiles officially go from 2 to 4, but we 747 * save them in sar_profiles[1-3] (because we don't 748 * have profile 0). So in the array we start from 1. 749 */ 750 ret = iwl_mvm_sar_set_profile(mvm, 751 &wifi_pkg->package.elements[pos], 752 &mvm->sar_profiles[i + 1], 753 enabled); 754 if (ret < 0) 755 break; 756 757 /* go to the next table */ 758 pos += ACPI_SAR_TABLE_SIZE; 759 } 760 761 out_free: 762 kfree(data); 763 return ret; 764 } 765 766 static int iwl_mvm_sar_get_wgds_table(struct iwl_mvm *mvm) 767 { 768 union acpi_object *wifi_pkg, *data; 769 int i, j, ret; 770 int idx = 1; 771 772 data = iwl_acpi_get_object(mvm->dev, ACPI_WGDS_METHOD); 773 if (IS_ERR(data)) 774 return PTR_ERR(data); 775 776 wifi_pkg = iwl_acpi_get_wifi_pkg(mvm->dev, data, 777 ACPI_WGDS_WIFI_DATA_SIZE); 778 if (IS_ERR(wifi_pkg)) { 779 ret = PTR_ERR(wifi_pkg); 780 goto out_free; 781 } 782 783 for (i = 0; i < ACPI_NUM_GEO_PROFILES; i++) { 784 for (j = 0; j < ACPI_GEO_TABLE_SIZE; j++) { 785 union acpi_object *entry; 786 787 entry = &wifi_pkg->package.elements[idx++]; 788 if ((entry->type != ACPI_TYPE_INTEGER) || 789 (entry->integer.value > U8_MAX)) { 790 ret = -EINVAL; 791 goto out_free; 792 } 793 794 mvm->geo_profiles[i].values[j] = entry->integer.value; 795 } 796 } 797 ret = 0; 798 out_free: 799 kfree(data); 800 return ret; 801 } 802 803 int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a, int prof_b) 804 { 805 union { 806 struct iwl_dev_tx_power_cmd v5; 807 struct iwl_dev_tx_power_cmd_v4 v4; 808 } cmd; 809 int i, j, idx; 810 int profs[ACPI_SAR_NUM_CHAIN_LIMITS] = { prof_a, prof_b }; 811 int len; 812 813 BUILD_BUG_ON(ACPI_SAR_NUM_CHAIN_LIMITS < 2); 814 BUILD_BUG_ON(ACPI_SAR_NUM_CHAIN_LIMITS * ACPI_SAR_NUM_SUB_BANDS != 815 ACPI_SAR_TABLE_SIZE); 816 817 cmd.v5.v3.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_CHAINS); 818 819 if (fw_has_api(&mvm->fw->ucode_capa, 820 IWL_UCODE_TLV_API_REDUCE_TX_POWER)) 821 len = sizeof(cmd.v5); 822 else if (fw_has_capa(&mvm->fw->ucode_capa, 823 IWL_UCODE_TLV_CAPA_TX_POWER_ACK)) 824 len = sizeof(cmd.v4); 825 else 826 len = sizeof(cmd.v4.v3); 827 828 for (i = 0; i < ACPI_SAR_NUM_CHAIN_LIMITS; i++) { 829 struct iwl_mvm_sar_profile *prof; 830 831 /* don't allow SAR to be disabled (profile 0 means disable) */ 832 if (profs[i] == 0) 833 return -EPERM; 834 835 /* we are off by one, so allow up to ACPI_SAR_PROFILE_NUM */ 836 if (profs[i] > ACPI_SAR_PROFILE_NUM) 837 return -EINVAL; 838 839 /* profiles go from 1 to 4, so decrement to access the array */ 840 prof = &mvm->sar_profiles[profs[i] - 1]; 841 842 /* if the profile is disabled, do nothing */ 843 if (!prof->enabled) { 844 IWL_DEBUG_RADIO(mvm, "SAR profile %d is disabled.\n", 845 profs[i]); 846 /* if one of the profiles is disabled, we fail all */ 847 return -ENOENT; 848 } 849 850 IWL_DEBUG_RADIO(mvm, " Chain[%d]:\n", i); 851 for (j = 0; j < ACPI_SAR_NUM_SUB_BANDS; j++) { 852 idx = (i * ACPI_SAR_NUM_SUB_BANDS) + j; 853 cmd.v5.v3.per_chain_restriction[i][j] = 854 cpu_to_le16(prof->table[idx]); 855 IWL_DEBUG_RADIO(mvm, " Band[%d] = %d * .125dBm\n", 856 j, prof->table[idx]); 857 } 858 } 859 860 IWL_DEBUG_RADIO(mvm, "Sending REDUCE_TX_POWER_CMD per chain\n"); 861 862 return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0, len, &cmd); 863 } 864 865 int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm) 866 { 867 struct iwl_geo_tx_power_profiles_resp *resp; 868 int ret; 869 870 struct iwl_geo_tx_power_profiles_cmd geo_cmd = { 871 .ops = cpu_to_le32(IWL_PER_CHAIN_OFFSET_GET_CURRENT_TABLE), 872 }; 873 struct iwl_host_cmd cmd = { 874 .id = WIDE_ID(PHY_OPS_GROUP, GEO_TX_POWER_LIMIT), 875 .len = { sizeof(geo_cmd), }, 876 .flags = CMD_WANT_SKB, 877 .data = { &geo_cmd }, 878 }; 879 880 ret = iwl_mvm_send_cmd(mvm, &cmd); 881 if (ret) { 882 IWL_ERR(mvm, "Failed to get geographic profile info %d\n", ret); 883 return ret; 884 } 885 886 resp = (void *)cmd.resp_pkt->data; 887 ret = le32_to_cpu(resp->profile_idx); 888 if (WARN_ON(ret > ACPI_NUM_GEO_PROFILES)) { 889 ret = -EIO; 890 IWL_WARN(mvm, "Invalid geographic profile idx (%d)\n", ret); 891 } 892 893 iwl_free_resp(&cmd); 894 return ret; 895 } 896 897 static int iwl_mvm_sar_geo_init(struct iwl_mvm *mvm) 898 { 899 struct iwl_geo_tx_power_profiles_cmd cmd = { 900 .ops = cpu_to_le32(IWL_PER_CHAIN_OFFSET_SET_TABLES), 901 }; 902 int ret, i, j; 903 u16 cmd_wide_id = WIDE_ID(PHY_OPS_GROUP, GEO_TX_POWER_LIMIT); 904 905 /* 906 * This command is not supported on earlier firmware versions. 907 * Unfortunately, we don't have a TLV API flag to rely on, so 908 * rely on the major version which is in the first byte of 909 * ucode_ver. 910 */ 911 if (IWL_UCODE_SERIAL(mvm->fw->ucode_ver) < 41) 912 return 0; 913 914 ret = iwl_mvm_sar_get_wgds_table(mvm); 915 if (ret < 0) { 916 IWL_DEBUG_RADIO(mvm, 917 "Geo SAR BIOS table invalid or unavailable. (%d)\n", 918 ret); 919 /* we don't fail if the table is not available */ 920 return 0; 921 } 922 923 IWL_DEBUG_RADIO(mvm, "Sending GEO_TX_POWER_LIMIT\n"); 924 925 BUILD_BUG_ON(ACPI_NUM_GEO_PROFILES * ACPI_WGDS_NUM_BANDS * 926 ACPI_WGDS_TABLE_SIZE + 1 != ACPI_WGDS_WIFI_DATA_SIZE); 927 928 BUILD_BUG_ON(ACPI_NUM_GEO_PROFILES > IWL_NUM_GEO_PROFILES); 929 930 for (i = 0; i < ACPI_NUM_GEO_PROFILES; i++) { 931 struct iwl_per_chain_offset *chain = 932 (struct iwl_per_chain_offset *)&cmd.table[i]; 933 934 for (j = 0; j < ACPI_WGDS_NUM_BANDS; j++) { 935 u8 *value; 936 937 value = &mvm->geo_profiles[i].values[j * 938 ACPI_GEO_PER_CHAIN_SIZE]; 939 chain[j].max_tx_power = cpu_to_le16(value[0]); 940 chain[j].chain_a = value[1]; 941 chain[j].chain_b = value[2]; 942 IWL_DEBUG_RADIO(mvm, 943 "SAR geographic profile[%d] Band[%d]: chain A = %d chain B = %d max_tx_power = %d\n", 944 i, j, value[1], value[2], value[0]); 945 } 946 } 947 return iwl_mvm_send_cmd_pdu(mvm, cmd_wide_id, 0, sizeof(cmd), &cmd); 948 } 949 950 #else /* CONFIG_ACPI */ 951 static int iwl_mvm_sar_get_wrds_table(struct iwl_mvm *mvm) 952 { 953 return -ENOENT; 954 } 955 956 static int iwl_mvm_sar_get_ewrd_table(struct iwl_mvm *mvm) 957 { 958 return -ENOENT; 959 } 960 961 static int iwl_mvm_sar_get_wgds_table(struct iwl_mvm *mvm) 962 { 963 return -ENOENT; 964 } 965 966 static int iwl_mvm_sar_geo_init(struct iwl_mvm *mvm) 967 { 968 return 0; 969 } 970 971 int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a, 972 int prof_b) 973 { 974 return -ENOENT; 975 } 976 977 int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm) 978 { 979 return -ENOENT; 980 } 981 #endif /* CONFIG_ACPI */ 982 983 void iwl_mvm_send_recovery_cmd(struct iwl_mvm *mvm, u32 flags) 984 { 985 u32 error_log_size = mvm->fw->ucode_capa.error_log_size; 986 int ret; 987 u32 resp; 988 989 struct iwl_fw_error_recovery_cmd recovery_cmd = { 990 .flags = cpu_to_le32(flags), 991 .buf_size = 0, 992 }; 993 struct iwl_host_cmd host_cmd = { 994 .id = WIDE_ID(SYSTEM_GROUP, FW_ERROR_RECOVERY_CMD), 995 .flags = CMD_WANT_SKB, 996 .data = {&recovery_cmd, }, 997 .len = {sizeof(recovery_cmd), }, 998 }; 999 1000 /* no error log was defined in TLV */ 1001 if (!error_log_size) 1002 return; 1003 1004 if (flags & ERROR_RECOVERY_UPDATE_DB) { 1005 /* no buf was allocated while HW reset */ 1006 if (!mvm->error_recovery_buf) 1007 return; 1008 1009 host_cmd.data[1] = mvm->error_recovery_buf; 1010 host_cmd.len[1] = error_log_size; 1011 host_cmd.dataflags[1] = IWL_HCMD_DFL_NOCOPY; 1012 recovery_cmd.buf_size = cpu_to_le32(error_log_size); 1013 } 1014 1015 ret = iwl_mvm_send_cmd(mvm, &host_cmd); 1016 kfree(mvm->error_recovery_buf); 1017 mvm->error_recovery_buf = NULL; 1018 1019 if (ret) { 1020 IWL_ERR(mvm, "Failed to send recovery cmd %d\n", ret); 1021 return; 1022 } 1023 1024 /* skb respond is only relevant in ERROR_RECOVERY_UPDATE_DB */ 1025 if (flags & ERROR_RECOVERY_UPDATE_DB) { 1026 resp = le32_to_cpu(*(__le32 *)host_cmd.resp_pkt->data); 1027 if (resp) 1028 IWL_ERR(mvm, 1029 "Failed to send recovery cmd blob was invalid %d\n", 1030 resp); 1031 } 1032 } 1033 1034 static int iwl_mvm_sar_init(struct iwl_mvm *mvm) 1035 { 1036 int ret; 1037 1038 ret = iwl_mvm_sar_get_wrds_table(mvm); 1039 if (ret < 0) { 1040 IWL_DEBUG_RADIO(mvm, 1041 "WRDS SAR BIOS table invalid or unavailable. (%d)\n", 1042 ret); 1043 /* 1044 * If not available, don't fail and don't bother with EWRD. 1045 * Return 1 to tell that we can't use WGDS either. 1046 */ 1047 return 1; 1048 } 1049 1050 ret = iwl_mvm_sar_get_ewrd_table(mvm); 1051 /* if EWRD is not available, we can still use WRDS, so don't fail */ 1052 if (ret < 0) 1053 IWL_DEBUG_RADIO(mvm, 1054 "EWRD SAR BIOS table invalid or unavailable. (%d)\n", 1055 ret); 1056 1057 /* choose profile 1 (WRDS) as default for both chains */ 1058 ret = iwl_mvm_sar_select_profile(mvm, 1, 1); 1059 1060 /* 1061 * If we don't have profile 0 from BIOS, just skip it. This 1062 * means that SAR Geo will not be enabled either, even if we 1063 * have other valid profiles. 1064 */ 1065 if (ret == -ENOENT) 1066 return 1; 1067 1068 return ret; 1069 } 1070 1071 static int iwl_mvm_load_rt_fw(struct iwl_mvm *mvm) 1072 { 1073 int ret; 1074 1075 if (iwl_mvm_has_unified_ucode(mvm)) 1076 return iwl_run_unified_mvm_ucode(mvm, false); 1077 1078 ret = iwl_run_init_mvm_ucode(mvm, false); 1079 1080 if (ret) { 1081 IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", ret); 1082 1083 if (iwlmvm_mod_params.init_dbg) 1084 return 0; 1085 return ret; 1086 } 1087 1088 /* 1089 * Stop and start the transport without entering low power 1090 * mode. This will save the state of other components on the 1091 * device that are triggered by the INIT firwmare (MFUART). 1092 */ 1093 _iwl_trans_stop_device(mvm->trans, false); 1094 ret = _iwl_trans_start_hw(mvm->trans, false); 1095 if (ret) 1096 return ret; 1097 1098 iwl_fw_dbg_apply_point(&mvm->fwrt, IWL_FW_INI_APPLY_EARLY); 1099 1100 ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_REGULAR); 1101 if (ret) 1102 return ret; 1103 1104 iwl_fw_dbg_apply_point(&mvm->fwrt, IWL_FW_INI_APPLY_AFTER_ALIVE); 1105 1106 return iwl_init_paging(&mvm->fwrt, mvm->fwrt.cur_fw_img); 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 ret = iwl_mvm_load_rt_fw(mvm); 1122 if (ret) { 1123 IWL_ERR(mvm, "Failed to start RT ucode: %d\n", ret); 1124 iwl_fw_dbg_error_collect(&mvm->fwrt, FW_DBG_TRIGGER_DRIVER); 1125 goto error; 1126 } 1127 1128 iwl_get_shared_mem_conf(&mvm->fwrt); 1129 1130 ret = iwl_mvm_sf_update(mvm, NULL, false); 1131 if (ret) 1132 IWL_ERR(mvm, "Failed to initialize Smart Fifo\n"); 1133 1134 if (!mvm->trans->ini_valid) { 1135 mvm->fwrt.dump.conf = FW_DBG_INVALID; 1136 /* if we have a destination, assume EARLY START */ 1137 if (mvm->fw->dbg.dest_tlv) 1138 mvm->fwrt.dump.conf = FW_DBG_START_FROM_ALIVE; 1139 iwl_fw_start_dbg_conf(&mvm->fwrt, FW_DBG_START_FROM_ALIVE); 1140 } 1141 1142 ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm)); 1143 if (ret) 1144 goto error; 1145 1146 if (!iwl_mvm_has_unified_ucode(mvm)) { 1147 /* Send phy db control command and then phy db calibration */ 1148 ret = iwl_send_phy_db_data(mvm->phy_db); 1149 if (ret) 1150 goto error; 1151 1152 ret = iwl_send_phy_cfg_cmd(mvm); 1153 if (ret) 1154 goto error; 1155 } 1156 1157 ret = iwl_mvm_send_bt_init_conf(mvm); 1158 if (ret) 1159 goto error; 1160 1161 /* Init RSS configuration */ 1162 if (mvm->trans->cfg->device_family >= IWL_DEVICE_FAMILY_22000) { 1163 ret = iwl_configure_rxq(mvm); 1164 if (ret) { 1165 IWL_ERR(mvm, "Failed to configure RX queues: %d\n", 1166 ret); 1167 goto error; 1168 } 1169 } 1170 1171 if (iwl_mvm_has_new_rx_api(mvm)) { 1172 ret = iwl_send_rss_cfg_cmd(mvm); 1173 if (ret) { 1174 IWL_ERR(mvm, "Failed to configure RSS queues: %d\n", 1175 ret); 1176 goto error; 1177 } 1178 } 1179 1180 /* init the fw <-> mac80211 STA mapping */ 1181 for (i = 0; i < ARRAY_SIZE(mvm->fw_id_to_mac_id); i++) 1182 RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL); 1183 1184 mvm->tdls_cs.peer.sta_id = IWL_MVM_INVALID_STA; 1185 1186 /* reset quota debouncing buffer - 0xff will yield invalid data */ 1187 memset(&mvm->last_quota_cmd, 0xff, sizeof(mvm->last_quota_cmd)); 1188 1189 ret = iwl_mvm_send_dqa_cmd(mvm); 1190 if (ret) 1191 goto error; 1192 1193 /* Add auxiliary station for scanning */ 1194 ret = iwl_mvm_add_aux_sta(mvm); 1195 if (ret) 1196 goto error; 1197 1198 /* Add all the PHY contexts */ 1199 chan = &mvm->hw->wiphy->bands[NL80211_BAND_2GHZ]->channels[0]; 1200 cfg80211_chandef_create(&chandef, chan, NL80211_CHAN_NO_HT); 1201 for (i = 0; i < NUM_PHY_CTX; i++) { 1202 /* 1203 * The channel used here isn't relevant as it's 1204 * going to be overwritten in the other flows. 1205 * For now use the first channel we have. 1206 */ 1207 ret = iwl_mvm_phy_ctxt_add(mvm, &mvm->phy_ctxts[i], 1208 &chandef, 1, 1); 1209 if (ret) 1210 goto error; 1211 } 1212 1213 #ifdef CONFIG_THERMAL 1214 if (iwl_mvm_is_tt_in_fw(mvm)) { 1215 /* in order to give the responsibility of ct-kill and 1216 * TX backoff to FW we need to send empty temperature reporting 1217 * cmd during init time 1218 */ 1219 iwl_mvm_send_temp_report_ths_cmd(mvm); 1220 } else { 1221 /* Initialize tx backoffs to the minimal possible */ 1222 iwl_mvm_tt_tx_backoff(mvm, 0); 1223 } 1224 1225 /* TODO: read the budget from BIOS / Platform NVM */ 1226 1227 /* 1228 * In case there is no budget from BIOS / Platform NVM the default 1229 * budget should be 2000mW (cooling state 0). 1230 */ 1231 if (iwl_mvm_is_ctdp_supported(mvm)) { 1232 ret = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_START, 1233 mvm->cooling_dev.cur_state); 1234 if (ret) 1235 goto error; 1236 } 1237 #else 1238 /* Initialize tx backoffs to the minimal possible */ 1239 iwl_mvm_tt_tx_backoff(mvm, 0); 1240 #endif 1241 1242 WARN_ON(iwl_mvm_config_ltr(mvm)); 1243 1244 ret = iwl_mvm_power_update_device(mvm); 1245 if (ret) 1246 goto error; 1247 1248 /* 1249 * RTNL is not taken during Ct-kill, but we don't need to scan/Tx 1250 * anyway, so don't init MCC. 1251 */ 1252 if (!test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status)) { 1253 ret = iwl_mvm_init_mcc(mvm); 1254 if (ret) 1255 goto error; 1256 } 1257 1258 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) { 1259 mvm->scan_type = IWL_SCAN_TYPE_NOT_SET; 1260 mvm->hb_scan_type = IWL_SCAN_TYPE_NOT_SET; 1261 ret = iwl_mvm_config_scan(mvm); 1262 if (ret) 1263 goto error; 1264 } 1265 1266 /* allow FW/transport low power modes if not during restart */ 1267 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1268 iwl_mvm_unref(mvm, IWL_MVM_REF_UCODE_DOWN); 1269 1270 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1271 iwl_mvm_send_recovery_cmd(mvm, ERROR_RECOVERY_UPDATE_DB); 1272 1273 if (iwl_acpi_get_eckv(mvm->dev, &mvm->ext_clock_valid)) 1274 IWL_DEBUG_INFO(mvm, "ECKV table doesn't exist in BIOS\n"); 1275 1276 ret = iwl_mvm_sar_init(mvm); 1277 if (ret == 0) { 1278 ret = iwl_mvm_sar_geo_init(mvm); 1279 } else if (ret > 0 && !iwl_mvm_sar_get_wgds_table(mvm)) { 1280 /* 1281 * If basic SAR is not available, we check for WGDS, 1282 * which should *not* be available either. If it is 1283 * available, issue an error, because we can't use SAR 1284 * Geo without basic SAR. 1285 */ 1286 IWL_ERR(mvm, "BIOS contains WGDS but no WRDS\n"); 1287 } 1288 1289 if (ret < 0) 1290 goto error; 1291 1292 iwl_mvm_leds_sync(mvm); 1293 1294 IWL_DEBUG_INFO(mvm, "RT uCode started.\n"); 1295 return 0; 1296 error: 1297 if (!iwlmvm_mod_params.init_dbg || !ret) 1298 iwl_mvm_stop_device(mvm); 1299 return ret; 1300 } 1301 1302 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm) 1303 { 1304 int ret, i; 1305 1306 lockdep_assert_held(&mvm->mutex); 1307 1308 ret = iwl_trans_start_hw(mvm->trans); 1309 if (ret) 1310 return ret; 1311 1312 ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_WOWLAN); 1313 if (ret) { 1314 IWL_ERR(mvm, "Failed to start WoWLAN firmware: %d\n", ret); 1315 goto error; 1316 } 1317 1318 ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm)); 1319 if (ret) 1320 goto error; 1321 1322 /* Send phy db control command and then phy db calibration*/ 1323 ret = iwl_send_phy_db_data(mvm->phy_db); 1324 if (ret) 1325 goto error; 1326 1327 ret = iwl_send_phy_cfg_cmd(mvm); 1328 if (ret) 1329 goto error; 1330 1331 /* init the fw <-> mac80211 STA mapping */ 1332 for (i = 0; i < ARRAY_SIZE(mvm->fw_id_to_mac_id); i++) 1333 RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL); 1334 1335 /* Add auxiliary station for scanning */ 1336 ret = iwl_mvm_add_aux_sta(mvm); 1337 if (ret) 1338 goto error; 1339 1340 return 0; 1341 error: 1342 iwl_mvm_stop_device(mvm); 1343 return ret; 1344 } 1345 1346 void iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm, 1347 struct iwl_rx_cmd_buffer *rxb) 1348 { 1349 struct iwl_rx_packet *pkt = rxb_addr(rxb); 1350 struct iwl_card_state_notif *card_state_notif = (void *)pkt->data; 1351 u32 flags = le32_to_cpu(card_state_notif->flags); 1352 1353 IWL_DEBUG_RF_KILL(mvm, "Card state received: HW:%s SW:%s CT:%s\n", 1354 (flags & HW_CARD_DISABLED) ? "Kill" : "On", 1355 (flags & SW_CARD_DISABLED) ? "Kill" : "On", 1356 (flags & CT_KILL_CARD_DISABLED) ? 1357 "Reached" : "Not reached"); 1358 } 1359 1360 void iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm, 1361 struct iwl_rx_cmd_buffer *rxb) 1362 { 1363 struct iwl_rx_packet *pkt = rxb_addr(rxb); 1364 struct iwl_mfuart_load_notif *mfuart_notif = (void *)pkt->data; 1365 1366 IWL_DEBUG_INFO(mvm, 1367 "MFUART: installed ver: 0x%08x, external ver: 0x%08x, status: 0x%08x, duration: 0x%08x\n", 1368 le32_to_cpu(mfuart_notif->installed_ver), 1369 le32_to_cpu(mfuart_notif->external_ver), 1370 le32_to_cpu(mfuart_notif->status), 1371 le32_to_cpu(mfuart_notif->duration)); 1372 1373 if (iwl_rx_packet_payload_len(pkt) == sizeof(*mfuart_notif)) 1374 IWL_DEBUG_INFO(mvm, 1375 "MFUART: image size: 0x%08x\n", 1376 le32_to_cpu(mfuart_notif->image_size)); 1377 } 1378