1 /****************************************************************************** 2 * 3 * This file is provided under a dual BSD/GPLv2 license. When using or 4 * redistributing this file, you may do so under either license. 5 * 6 * GPL LICENSE SUMMARY 7 * 8 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. 9 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH 10 * Copyright(c) 2016 - 2017 Intel Deutschland GmbH 11 * Copyright(c) 2018 - 2019 Intel Corporation 12 * 13 * This program is free software; you can redistribute it and/or modify 14 * it under the terms of version 2 of the GNU General Public License as 15 * published by the Free Software Foundation. 16 * 17 * This program is distributed in the hope that it will be useful, but 18 * WITHOUT ANY WARRANTY; without even the implied warranty of 19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 20 * General Public License for more details. 21 * 22 * The full GNU General Public License is included in this distribution 23 * in the file called COPYING. 24 * 25 * Contact Information: 26 * Intel Linux Wireless <linuxwifi@intel.com> 27 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 28 * 29 * BSD LICENSE 30 * 31 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. 32 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH 33 * Copyright(c) 2016 - 2017 Intel Deutschland GmbH 34 * Copyright(c) 2018 - 2019 Intel Corporation 35 * All rights reserved. 36 * 37 * Redistribution and use in source and binary forms, with or without 38 * modification, are permitted provided that the following conditions 39 * are met: 40 * 41 * * Redistributions of source code must retain the above copyright 42 * notice, this list of conditions and the following disclaimer. 43 * * Redistributions in binary form must reproduce the above copyright 44 * notice, this list of conditions and the following disclaimer in 45 * the documentation and/or other materials provided with the 46 * distribution. 47 * * Neither the name Intel Corporation nor the names of its 48 * contributors may be used to endorse or promote products derived 49 * from this software without specific prior written permission. 50 * 51 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 52 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 53 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 54 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 55 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 56 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 57 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 58 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 59 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 60 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 61 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 62 * 63 *****************************************************************************/ 64 #include <net/mac80211.h> 65 #include <linux/netdevice.h> 66 67 #include "iwl-trans.h" 68 #include "iwl-op-mode.h" 69 #include "fw/img.h" 70 #include "iwl-debug.h" 71 #include "iwl-csr.h" /* for iwl_mvm_rx_card_state_notif */ 72 #include "iwl-io.h" /* for iwl_mvm_rx_card_state_notif */ 73 #include "iwl-prph.h" 74 #include "fw/acpi.h" 75 76 #include "mvm.h" 77 #include "fw/dbg.h" 78 #include "iwl-phy-db.h" 79 #include "iwl-modparams.h" 80 #include "iwl-nvm-parse.h" 81 82 #define MVM_UCODE_ALIVE_TIMEOUT HZ 83 #define MVM_UCODE_CALIB_TIMEOUT (2*HZ) 84 85 #define UCODE_VALID_OK cpu_to_le32(0x1) 86 87 struct iwl_mvm_alive_data { 88 bool valid; 89 u32 scd_base_addr; 90 }; 91 92 static int iwl_send_tx_ant_cfg(struct iwl_mvm *mvm, u8 valid_tx_ant) 93 { 94 struct iwl_tx_ant_cfg_cmd tx_ant_cmd = { 95 .valid = cpu_to_le32(valid_tx_ant), 96 }; 97 98 IWL_DEBUG_FW(mvm, "select valid tx ant: %u\n", valid_tx_ant); 99 return iwl_mvm_send_cmd_pdu(mvm, TX_ANT_CONFIGURATION_CMD, 0, 100 sizeof(tx_ant_cmd), &tx_ant_cmd); 101 } 102 103 static int iwl_send_rss_cfg_cmd(struct iwl_mvm *mvm) 104 { 105 int i; 106 struct iwl_rss_config_cmd cmd = { 107 .flags = cpu_to_le32(IWL_RSS_ENABLE), 108 .hash_mask = BIT(IWL_RSS_HASH_TYPE_IPV4_TCP) | 109 BIT(IWL_RSS_HASH_TYPE_IPV4_UDP) | 110 BIT(IWL_RSS_HASH_TYPE_IPV4_PAYLOAD) | 111 BIT(IWL_RSS_HASH_TYPE_IPV6_TCP) | 112 BIT(IWL_RSS_HASH_TYPE_IPV6_UDP) | 113 BIT(IWL_RSS_HASH_TYPE_IPV6_PAYLOAD), 114 }; 115 116 if (mvm->trans->num_rx_queues == 1) 117 return 0; 118 119 /* Do not direct RSS traffic to Q 0 which is our fallback queue */ 120 for (i = 0; i < ARRAY_SIZE(cmd.indirection_table); i++) 121 cmd.indirection_table[i] = 122 1 + (i % (mvm->trans->num_rx_queues - 1)); 123 netdev_rss_key_fill(cmd.secret_key, sizeof(cmd.secret_key)); 124 125 return iwl_mvm_send_cmd_pdu(mvm, RSS_CONFIG_CMD, 0, sizeof(cmd), &cmd); 126 } 127 128 static int iwl_configure_rxq(struct iwl_mvm *mvm) 129 { 130 int i, num_queues, size, ret; 131 struct iwl_rfh_queue_config *cmd; 132 struct iwl_host_cmd hcmd = { 133 .id = WIDE_ID(DATA_PATH_GROUP, RFH_QUEUE_CONFIG_CMD), 134 .dataflags[0] = IWL_HCMD_DFL_NOCOPY, 135 }; 136 137 /* Do not configure default queue, it is configured via context info */ 138 num_queues = mvm->trans->num_rx_queues - 1; 139 140 size = struct_size(cmd, data, num_queues); 141 142 cmd = kzalloc(size, GFP_KERNEL); 143 if (!cmd) 144 return -ENOMEM; 145 146 cmd->num_queues = num_queues; 147 148 for (i = 0; i < num_queues; i++) { 149 struct iwl_trans_rxq_dma_data data; 150 151 cmd->data[i].q_num = i + 1; 152 iwl_trans_get_rxq_dma_data(mvm->trans, i + 1, &data); 153 154 cmd->data[i].fr_bd_cb = cpu_to_le64(data.fr_bd_cb); 155 cmd->data[i].urbd_stts_wrptr = 156 cpu_to_le64(data.urbd_stts_wrptr); 157 cmd->data[i].ur_bd_cb = cpu_to_le64(data.ur_bd_cb); 158 cmd->data[i].fr_bd_wid = cpu_to_le32(data.fr_bd_wid); 159 } 160 161 hcmd.data[0] = cmd; 162 hcmd.len[0] = size; 163 164 ret = iwl_mvm_send_cmd(mvm, &hcmd); 165 166 kfree(cmd); 167 168 return ret; 169 } 170 171 static int iwl_mvm_send_dqa_cmd(struct iwl_mvm *mvm) 172 { 173 struct iwl_dqa_enable_cmd dqa_cmd = { 174 .cmd_queue = cpu_to_le32(IWL_MVM_DQA_CMD_QUEUE), 175 }; 176 u32 cmd_id = iwl_cmd_id(DQA_ENABLE_CMD, DATA_PATH_GROUP, 0); 177 int ret; 178 179 ret = iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, sizeof(dqa_cmd), &dqa_cmd); 180 if (ret) 181 IWL_ERR(mvm, "Failed to send DQA enabling command: %d\n", ret); 182 else 183 IWL_DEBUG_FW(mvm, "Working in DQA mode\n"); 184 185 return ret; 186 } 187 188 void iwl_mvm_mfu_assert_dump_notif(struct iwl_mvm *mvm, 189 struct iwl_rx_cmd_buffer *rxb) 190 { 191 struct iwl_rx_packet *pkt = rxb_addr(rxb); 192 struct iwl_mfu_assert_dump_notif *mfu_dump_notif = (void *)pkt->data; 193 __le32 *dump_data = mfu_dump_notif->data; 194 int n_words = le32_to_cpu(mfu_dump_notif->data_size) / sizeof(__le32); 195 int i; 196 197 if (mfu_dump_notif->index_num == 0) 198 IWL_INFO(mvm, "MFUART assert id 0x%x occurred\n", 199 le32_to_cpu(mfu_dump_notif->assert_id)); 200 201 for (i = 0; i < n_words; i++) 202 IWL_DEBUG_INFO(mvm, 203 "MFUART assert dump, dword %u: 0x%08x\n", 204 le16_to_cpu(mfu_dump_notif->index_num) * 205 n_words + i, 206 le32_to_cpu(dump_data[i])); 207 } 208 209 static bool iwl_alive_fn(struct iwl_notif_wait_data *notif_wait, 210 struct iwl_rx_packet *pkt, void *data) 211 { 212 struct iwl_mvm *mvm = 213 container_of(notif_wait, struct iwl_mvm, notif_wait); 214 struct iwl_mvm_alive_data *alive_data = data; 215 struct mvm_alive_resp_v3 *palive3; 216 struct mvm_alive_resp *palive; 217 struct iwl_umac_alive *umac; 218 struct iwl_lmac_alive *lmac1; 219 struct iwl_lmac_alive *lmac2 = NULL; 220 u16 status; 221 u32 lmac_error_event_table, umac_error_event_table; 222 223 if (iwl_rx_packet_payload_len(pkt) == sizeof(*palive)) { 224 palive = (void *)pkt->data; 225 umac = &palive->umac_data; 226 lmac1 = &palive->lmac_data[0]; 227 lmac2 = &palive->lmac_data[1]; 228 status = le16_to_cpu(palive->status); 229 } else { 230 palive3 = (void *)pkt->data; 231 umac = &palive3->umac_data; 232 lmac1 = &palive3->lmac_data; 233 status = le16_to_cpu(palive3->status); 234 } 235 236 lmac_error_event_table = 237 le32_to_cpu(lmac1->dbg_ptrs.error_event_table_ptr); 238 iwl_fw_lmac1_set_alive_err_table(mvm->trans, lmac_error_event_table); 239 240 if (lmac2) 241 mvm->trans->dbg.lmac_error_event_table[1] = 242 le32_to_cpu(lmac2->dbg_ptrs.error_event_table_ptr); 243 244 umac_error_event_table = le32_to_cpu(umac->dbg_ptrs.error_info_addr); 245 246 if (!umac_error_event_table) { 247 mvm->support_umac_log = false; 248 } else if (umac_error_event_table >= 249 mvm->trans->cfg->min_umac_error_event_table) { 250 mvm->support_umac_log = true; 251 } else { 252 IWL_ERR(mvm, 253 "Not valid error log pointer 0x%08X for %s uCode\n", 254 umac_error_event_table, 255 (mvm->fwrt.cur_fw_img == IWL_UCODE_INIT) ? 256 "Init" : "RT"); 257 mvm->support_umac_log = false; 258 } 259 260 if (mvm->support_umac_log) 261 iwl_fw_umac_set_alive_err_table(mvm->trans, 262 umac_error_event_table); 263 264 alive_data->scd_base_addr = le32_to_cpu(lmac1->dbg_ptrs.scd_base_ptr); 265 alive_data->valid = status == IWL_ALIVE_STATUS_OK; 266 267 IWL_DEBUG_FW(mvm, 268 "Alive ucode status 0x%04x revision 0x%01X 0x%01X\n", 269 status, lmac1->ver_type, lmac1->ver_subtype); 270 271 if (lmac2) 272 IWL_DEBUG_FW(mvm, "Alive ucode CDB\n"); 273 274 IWL_DEBUG_FW(mvm, 275 "UMAC version: Major - 0x%x, Minor - 0x%x\n", 276 le32_to_cpu(umac->umac_major), 277 le32_to_cpu(umac->umac_minor)); 278 279 iwl_fwrt_update_fw_versions(&mvm->fwrt, lmac1, umac); 280 281 return true; 282 } 283 284 static bool iwl_wait_init_complete(struct iwl_notif_wait_data *notif_wait, 285 struct iwl_rx_packet *pkt, void *data) 286 { 287 WARN_ON(pkt->hdr.cmd != INIT_COMPLETE_NOTIF); 288 289 return true; 290 } 291 292 static bool iwl_wait_phy_db_entry(struct iwl_notif_wait_data *notif_wait, 293 struct iwl_rx_packet *pkt, void *data) 294 { 295 struct iwl_phy_db *phy_db = data; 296 297 if (pkt->hdr.cmd != CALIB_RES_NOTIF_PHY_DB) { 298 WARN_ON(pkt->hdr.cmd != INIT_COMPLETE_NOTIF); 299 return true; 300 } 301 302 WARN_ON(iwl_phy_db_set_section(phy_db, pkt)); 303 304 return false; 305 } 306 307 static int iwl_mvm_load_ucode_wait_alive(struct iwl_mvm *mvm, 308 enum iwl_ucode_type ucode_type) 309 { 310 struct iwl_notification_wait alive_wait; 311 struct iwl_mvm_alive_data alive_data = {}; 312 const struct fw_img *fw; 313 int ret; 314 enum iwl_ucode_type old_type = mvm->fwrt.cur_fw_img; 315 static const u16 alive_cmd[] = { MVM_ALIVE }; 316 bool run_in_rfkill = 317 ucode_type == IWL_UCODE_INIT || iwl_mvm_has_unified_ucode(mvm); 318 319 if (ucode_type == IWL_UCODE_REGULAR && 320 iwl_fw_dbg_conf_usniffer(mvm->fw, FW_DBG_START_FROM_ALIVE) && 321 !(fw_has_capa(&mvm->fw->ucode_capa, 322 IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED))) 323 fw = iwl_get_ucode_image(mvm->fw, IWL_UCODE_REGULAR_USNIFFER); 324 else 325 fw = iwl_get_ucode_image(mvm->fw, ucode_type); 326 if (WARN_ON(!fw)) 327 return -EINVAL; 328 iwl_fw_set_current_image(&mvm->fwrt, ucode_type); 329 clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); 330 331 iwl_init_notification_wait(&mvm->notif_wait, &alive_wait, 332 alive_cmd, ARRAY_SIZE(alive_cmd), 333 iwl_alive_fn, &alive_data); 334 335 /* 336 * We want to load the INIT firmware even in RFKILL 337 * For the unified firmware case, the ucode_type is not 338 * INIT, but we still need to run it. 339 */ 340 ret = iwl_trans_start_fw(mvm->trans, fw, run_in_rfkill); 341 if (ret) { 342 iwl_fw_set_current_image(&mvm->fwrt, old_type); 343 iwl_remove_notification(&mvm->notif_wait, &alive_wait); 344 return ret; 345 } 346 347 /* 348 * Some things may run in the background now, but we 349 * just wait for the ALIVE notification here. 350 */ 351 ret = iwl_wait_notification(&mvm->notif_wait, &alive_wait, 352 MVM_UCODE_ALIVE_TIMEOUT); 353 if (ret) { 354 struct iwl_trans *trans = mvm->trans; 355 356 if (ret == -ETIMEDOUT) 357 iwl_fw_dbg_error_collect(&mvm->fwrt, 358 FW_DBG_TRIGGER_ALIVE_TIMEOUT); 359 360 if (trans->cfg->device_family >= IWL_DEVICE_FAMILY_22000) 361 IWL_ERR(mvm, 362 "SecBoot CPU1 Status: 0x%x, CPU2 Status: 0x%x\n", 363 iwl_read_umac_prph(trans, UMAG_SB_CPU_1_STATUS), 364 iwl_read_umac_prph(trans, 365 UMAG_SB_CPU_2_STATUS)); 366 else if (trans->cfg->device_family >= IWL_DEVICE_FAMILY_8000) 367 IWL_ERR(mvm, 368 "SecBoot CPU1 Status: 0x%x, CPU2 Status: 0x%x\n", 369 iwl_read_prph(trans, SB_CPU_1_STATUS), 370 iwl_read_prph(trans, SB_CPU_2_STATUS)); 371 iwl_fw_set_current_image(&mvm->fwrt, old_type); 372 return ret; 373 } 374 375 if (!alive_data.valid) { 376 IWL_ERR(mvm, "Loaded ucode is not valid!\n"); 377 iwl_fw_set_current_image(&mvm->fwrt, old_type); 378 return -EIO; 379 } 380 381 iwl_trans_fw_alive(mvm->trans, alive_data.scd_base_addr); 382 383 /* 384 * Note: all the queues are enabled as part of the interface 385 * initialization, but in firmware restart scenarios they 386 * could be stopped, so wake them up. In firmware restart, 387 * mac80211 will have the queues stopped as well until the 388 * reconfiguration completes. During normal startup, they 389 * will be empty. 390 */ 391 392 memset(&mvm->queue_info, 0, sizeof(mvm->queue_info)); 393 /* 394 * Set a 'fake' TID for the command queue, since we use the 395 * hweight() of the tid_bitmap as a refcount now. Not that 396 * we ever even consider the command queue as one we might 397 * want to reuse, but be safe nevertheless. 398 */ 399 mvm->queue_info[IWL_MVM_DQA_CMD_QUEUE].tid_bitmap = 400 BIT(IWL_MAX_TID_COUNT + 2); 401 402 set_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); 403 #ifdef CONFIG_IWLWIFI_DEBUGFS 404 iwl_fw_set_dbg_rec_on(&mvm->fwrt); 405 #endif 406 407 return 0; 408 } 409 410 static int iwl_run_unified_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm) 411 { 412 struct iwl_notification_wait init_wait; 413 struct iwl_nvm_access_complete_cmd nvm_complete = {}; 414 struct iwl_init_extended_cfg_cmd init_cfg = { 415 .init_flags = cpu_to_le32(BIT(IWL_INIT_NVM)), 416 }; 417 static const u16 init_complete[] = { 418 INIT_COMPLETE_NOTIF, 419 }; 420 int ret; 421 422 lockdep_assert_held(&mvm->mutex); 423 424 mvm->rfkill_safe_init_done = false; 425 426 iwl_init_notification_wait(&mvm->notif_wait, 427 &init_wait, 428 init_complete, 429 ARRAY_SIZE(init_complete), 430 iwl_wait_init_complete, 431 NULL); 432 433 iwl_fw_dbg_apply_point(&mvm->fwrt, IWL_FW_INI_APPLY_EARLY); 434 435 /* Will also start the device */ 436 ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_REGULAR); 437 if (ret) { 438 IWL_ERR(mvm, "Failed to start RT ucode: %d\n", ret); 439 goto error; 440 } 441 iwl_fw_dbg_apply_point(&mvm->fwrt, IWL_FW_INI_APPLY_AFTER_ALIVE); 442 443 /* Send init config command to mark that we are sending NVM access 444 * commands 445 */ 446 ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(SYSTEM_GROUP, 447 INIT_EXTENDED_CFG_CMD), 448 CMD_SEND_IN_RFKILL, 449 sizeof(init_cfg), &init_cfg); 450 if (ret) { 451 IWL_ERR(mvm, "Failed to run init config command: %d\n", 452 ret); 453 goto error; 454 } 455 456 /* Load NVM to NIC if needed */ 457 if (mvm->nvm_file_name) { 458 iwl_read_external_nvm(mvm->trans, mvm->nvm_file_name, 459 mvm->nvm_sections); 460 iwl_mvm_load_nvm_to_nic(mvm); 461 } 462 463 if (IWL_MVM_PARSE_NVM && read_nvm) { 464 ret = iwl_nvm_init(mvm); 465 if (ret) { 466 IWL_ERR(mvm, "Failed to read NVM: %d\n", ret); 467 goto error; 468 } 469 } 470 471 ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(REGULATORY_AND_NVM_GROUP, 472 NVM_ACCESS_COMPLETE), 473 CMD_SEND_IN_RFKILL, 474 sizeof(nvm_complete), &nvm_complete); 475 if (ret) { 476 IWL_ERR(mvm, "Failed to run complete NVM access: %d\n", 477 ret); 478 goto error; 479 } 480 481 /* We wait for the INIT complete notification */ 482 ret = iwl_wait_notification(&mvm->notif_wait, &init_wait, 483 MVM_UCODE_ALIVE_TIMEOUT); 484 if (ret) 485 return ret; 486 487 /* Read the NVM only at driver load time, no need to do this twice */ 488 if (!IWL_MVM_PARSE_NVM && read_nvm) { 489 mvm->nvm_data = iwl_get_nvm(mvm->trans, mvm->fw); 490 if (IS_ERR(mvm->nvm_data)) { 491 ret = PTR_ERR(mvm->nvm_data); 492 mvm->nvm_data = NULL; 493 IWL_ERR(mvm, "Failed to read NVM: %d\n", ret); 494 return ret; 495 } 496 } 497 498 mvm->rfkill_safe_init_done = true; 499 500 return 0; 501 502 error: 503 iwl_remove_notification(&mvm->notif_wait, &init_wait); 504 return ret; 505 } 506 507 static int iwl_send_phy_cfg_cmd(struct iwl_mvm *mvm) 508 { 509 struct iwl_phy_cfg_cmd phy_cfg_cmd; 510 enum iwl_ucode_type ucode_type = mvm->fwrt.cur_fw_img; 511 512 /* Set parameters */ 513 phy_cfg_cmd.phy_cfg = cpu_to_le32(iwl_mvm_get_phy_config(mvm)); 514 515 /* set flags extra PHY configuration flags from the device's cfg */ 516 phy_cfg_cmd.phy_cfg |= cpu_to_le32(mvm->cfg->extra_phy_cfg_flags); 517 518 phy_cfg_cmd.calib_control.event_trigger = 519 mvm->fw->default_calib[ucode_type].event_trigger; 520 phy_cfg_cmd.calib_control.flow_trigger = 521 mvm->fw->default_calib[ucode_type].flow_trigger; 522 523 IWL_DEBUG_INFO(mvm, "Sending Phy CFG command: 0x%x\n", 524 phy_cfg_cmd.phy_cfg); 525 526 return iwl_mvm_send_cmd_pdu(mvm, PHY_CONFIGURATION_CMD, 0, 527 sizeof(phy_cfg_cmd), &phy_cfg_cmd); 528 } 529 530 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm) 531 { 532 struct iwl_notification_wait calib_wait; 533 static const u16 init_complete[] = { 534 INIT_COMPLETE_NOTIF, 535 CALIB_RES_NOTIF_PHY_DB 536 }; 537 int ret; 538 539 if (iwl_mvm_has_unified_ucode(mvm)) 540 return iwl_run_unified_mvm_ucode(mvm, true); 541 542 lockdep_assert_held(&mvm->mutex); 543 544 mvm->rfkill_safe_init_done = false; 545 546 iwl_init_notification_wait(&mvm->notif_wait, 547 &calib_wait, 548 init_complete, 549 ARRAY_SIZE(init_complete), 550 iwl_wait_phy_db_entry, 551 mvm->phy_db); 552 553 /* Will also start the device */ 554 ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_INIT); 555 if (ret) { 556 IWL_ERR(mvm, "Failed to start INIT ucode: %d\n", ret); 557 goto remove_notif; 558 } 559 560 if (mvm->cfg->device_family < IWL_DEVICE_FAMILY_8000) { 561 ret = iwl_mvm_send_bt_init_conf(mvm); 562 if (ret) 563 goto remove_notif; 564 } 565 566 /* Read the NVM only at driver load time, no need to do this twice */ 567 if (read_nvm) { 568 ret = iwl_nvm_init(mvm); 569 if (ret) { 570 IWL_ERR(mvm, "Failed to read NVM: %d\n", ret); 571 goto remove_notif; 572 } 573 } 574 575 /* In case we read the NVM from external file, load it to the NIC */ 576 if (mvm->nvm_file_name) 577 iwl_mvm_load_nvm_to_nic(mvm); 578 579 WARN_ONCE(mvm->nvm_data->nvm_version < mvm->trans->cfg->nvm_ver, 580 "Too old NVM version (0x%0x, required = 0x%0x)", 581 mvm->nvm_data->nvm_version, mvm->trans->cfg->nvm_ver); 582 583 /* 584 * abort after reading the nvm in case RF Kill is on, we will complete 585 * the init seq later when RF kill will switch to off 586 */ 587 if (iwl_mvm_is_radio_hw_killed(mvm)) { 588 IWL_DEBUG_RF_KILL(mvm, 589 "jump over all phy activities due to RF kill\n"); 590 goto remove_notif; 591 } 592 593 mvm->rfkill_safe_init_done = true; 594 595 /* Send TX valid antennas before triggering calibrations */ 596 ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm)); 597 if (ret) 598 goto remove_notif; 599 600 ret = iwl_send_phy_cfg_cmd(mvm); 601 if (ret) { 602 IWL_ERR(mvm, "Failed to run INIT calibrations: %d\n", 603 ret); 604 goto remove_notif; 605 } 606 607 /* 608 * Some things may run in the background now, but we 609 * just wait for the calibration complete notification. 610 */ 611 ret = iwl_wait_notification(&mvm->notif_wait, &calib_wait, 612 MVM_UCODE_CALIB_TIMEOUT); 613 if (!ret) 614 goto out; 615 616 if (iwl_mvm_is_radio_hw_killed(mvm)) { 617 IWL_DEBUG_RF_KILL(mvm, "RFKILL while calibrating.\n"); 618 ret = 0; 619 } else { 620 IWL_ERR(mvm, "Failed to run INIT calibrations: %d\n", 621 ret); 622 } 623 624 goto out; 625 626 remove_notif: 627 iwl_remove_notification(&mvm->notif_wait, &calib_wait); 628 out: 629 mvm->rfkill_safe_init_done = false; 630 if (iwlmvm_mod_params.init_dbg && !mvm->nvm_data) { 631 /* we want to debug INIT and we have no NVM - fake */ 632 mvm->nvm_data = kzalloc(sizeof(struct iwl_nvm_data) + 633 sizeof(struct ieee80211_channel) + 634 sizeof(struct ieee80211_rate), 635 GFP_KERNEL); 636 if (!mvm->nvm_data) 637 return -ENOMEM; 638 mvm->nvm_data->bands[0].channels = mvm->nvm_data->channels; 639 mvm->nvm_data->bands[0].n_channels = 1; 640 mvm->nvm_data->bands[0].n_bitrates = 1; 641 mvm->nvm_data->bands[0].bitrates = 642 (void *)mvm->nvm_data->channels + 1; 643 mvm->nvm_data->bands[0].bitrates->hw_value = 10; 644 } 645 646 return ret; 647 } 648 649 static int iwl_mvm_config_ltr(struct iwl_mvm *mvm) 650 { 651 struct iwl_ltr_config_cmd cmd = { 652 .flags = cpu_to_le32(LTR_CFG_FLAG_FEATURE_ENABLE), 653 }; 654 655 if (!mvm->trans->ltr_enabled) 656 return 0; 657 658 return iwl_mvm_send_cmd_pdu(mvm, LTR_CONFIG, 0, 659 sizeof(cmd), &cmd); 660 } 661 662 #ifdef CONFIG_ACPI 663 static inline int iwl_mvm_sar_set_profile(struct iwl_mvm *mvm, 664 union acpi_object *table, 665 struct iwl_mvm_sar_profile *profile, 666 bool enabled) 667 { 668 int i; 669 670 profile->enabled = enabled; 671 672 for (i = 0; i < ACPI_SAR_TABLE_SIZE; i++) { 673 if ((table[i].type != ACPI_TYPE_INTEGER) || 674 (table[i].integer.value > U8_MAX)) 675 return -EINVAL; 676 677 profile->table[i] = table[i].integer.value; 678 } 679 680 return 0; 681 } 682 683 static int iwl_mvm_sar_get_wrds_table(struct iwl_mvm *mvm) 684 { 685 union acpi_object *wifi_pkg, *table, *data; 686 bool enabled; 687 int ret, tbl_rev; 688 689 data = iwl_acpi_get_object(mvm->dev, ACPI_WRDS_METHOD); 690 if (IS_ERR(data)) 691 return PTR_ERR(data); 692 693 wifi_pkg = iwl_acpi_get_wifi_pkg(mvm->dev, data, 694 ACPI_WRDS_WIFI_DATA_SIZE, &tbl_rev); 695 if (IS_ERR(wifi_pkg) || tbl_rev != 0) { 696 ret = PTR_ERR(wifi_pkg); 697 goto out_free; 698 } 699 700 if (wifi_pkg->package.elements[1].type != ACPI_TYPE_INTEGER) { 701 ret = -EINVAL; 702 goto out_free; 703 } 704 705 enabled = !!(wifi_pkg->package.elements[1].integer.value); 706 707 /* position of the actual table */ 708 table = &wifi_pkg->package.elements[2]; 709 710 /* The profile from WRDS is officially profile 1, but goes 711 * into sar_profiles[0] (because we don't have a profile 0). 712 */ 713 ret = iwl_mvm_sar_set_profile(mvm, table, &mvm->sar_profiles[0], 714 enabled); 715 out_free: 716 kfree(data); 717 return ret; 718 } 719 720 static int iwl_mvm_sar_get_ewrd_table(struct iwl_mvm *mvm) 721 { 722 union acpi_object *wifi_pkg, *data; 723 bool enabled; 724 int i, n_profiles, ret, tbl_rev; 725 726 data = iwl_acpi_get_object(mvm->dev, ACPI_EWRD_METHOD); 727 if (IS_ERR(data)) 728 return PTR_ERR(data); 729 730 wifi_pkg = iwl_acpi_get_wifi_pkg(mvm->dev, data, 731 ACPI_EWRD_WIFI_DATA_SIZE, &tbl_rev); 732 if (IS_ERR(wifi_pkg) || tbl_rev != 0) { 733 ret = PTR_ERR(wifi_pkg); 734 goto out_free; 735 } 736 737 if ((wifi_pkg->package.elements[1].type != ACPI_TYPE_INTEGER) || 738 (wifi_pkg->package.elements[2].type != ACPI_TYPE_INTEGER)) { 739 ret = -EINVAL; 740 goto out_free; 741 } 742 743 enabled = !!(wifi_pkg->package.elements[1].integer.value); 744 n_profiles = wifi_pkg->package.elements[2].integer.value; 745 746 /* 747 * Check the validity of n_profiles. The EWRD profiles start 748 * from index 1, so the maximum value allowed here is 749 * ACPI_SAR_PROFILES_NUM - 1. 750 */ 751 if (n_profiles <= 0 || n_profiles >= ACPI_SAR_PROFILE_NUM) { 752 ret = -EINVAL; 753 goto out_free; 754 } 755 756 for (i = 0; i < n_profiles; i++) { 757 /* the tables start at element 3 */ 758 int pos = 3; 759 760 /* The EWRD profiles officially go from 2 to 4, but we 761 * save them in sar_profiles[1-3] (because we don't 762 * have profile 0). So in the array we start from 1. 763 */ 764 ret = iwl_mvm_sar_set_profile(mvm, 765 &wifi_pkg->package.elements[pos], 766 &mvm->sar_profiles[i + 1], 767 enabled); 768 if (ret < 0) 769 break; 770 771 /* go to the next table */ 772 pos += ACPI_SAR_TABLE_SIZE; 773 } 774 775 out_free: 776 kfree(data); 777 return ret; 778 } 779 780 static int iwl_mvm_sar_get_wgds_table(struct iwl_mvm *mvm) 781 { 782 union acpi_object *wifi_pkg, *data; 783 int i, j, ret, tbl_rev; 784 int idx = 1; 785 786 data = iwl_acpi_get_object(mvm->dev, ACPI_WGDS_METHOD); 787 if (IS_ERR(data)) 788 return PTR_ERR(data); 789 790 wifi_pkg = iwl_acpi_get_wifi_pkg(mvm->dev, data, 791 ACPI_WGDS_WIFI_DATA_SIZE, &tbl_rev); 792 if (IS_ERR(wifi_pkg) || tbl_rev > 1) { 793 ret = PTR_ERR(wifi_pkg); 794 goto out_free; 795 } 796 797 mvm->geo_rev = tbl_rev; 798 for (i = 0; i < ACPI_NUM_GEO_PROFILES; i++) { 799 for (j = 0; j < ACPI_GEO_TABLE_SIZE; j++) { 800 union acpi_object *entry; 801 802 entry = &wifi_pkg->package.elements[idx++]; 803 if ((entry->type != ACPI_TYPE_INTEGER) || 804 (entry->integer.value > U8_MAX)) { 805 ret = -EINVAL; 806 goto out_free; 807 } 808 809 mvm->geo_profiles[i].values[j] = entry->integer.value; 810 } 811 } 812 ret = 0; 813 out_free: 814 kfree(data); 815 return ret; 816 } 817 818 int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a, int prof_b) 819 { 820 union { 821 struct iwl_dev_tx_power_cmd v5; 822 struct iwl_dev_tx_power_cmd_v4 v4; 823 } cmd; 824 int i, j, idx; 825 int profs[ACPI_SAR_NUM_CHAIN_LIMITS] = { prof_a, prof_b }; 826 int len; 827 828 BUILD_BUG_ON(ACPI_SAR_NUM_CHAIN_LIMITS < 2); 829 BUILD_BUG_ON(ACPI_SAR_NUM_CHAIN_LIMITS * ACPI_SAR_NUM_SUB_BANDS != 830 ACPI_SAR_TABLE_SIZE); 831 832 cmd.v5.v3.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_CHAINS); 833 834 if (fw_has_api(&mvm->fw->ucode_capa, 835 IWL_UCODE_TLV_API_REDUCE_TX_POWER)) 836 len = sizeof(cmd.v5); 837 else if (fw_has_capa(&mvm->fw->ucode_capa, 838 IWL_UCODE_TLV_CAPA_TX_POWER_ACK)) 839 len = sizeof(cmd.v4); 840 else 841 len = sizeof(cmd.v4.v3); 842 843 for (i = 0; i < ACPI_SAR_NUM_CHAIN_LIMITS; i++) { 844 struct iwl_mvm_sar_profile *prof; 845 846 /* don't allow SAR to be disabled (profile 0 means disable) */ 847 if (profs[i] == 0) 848 return -EPERM; 849 850 /* we are off by one, so allow up to ACPI_SAR_PROFILE_NUM */ 851 if (profs[i] > ACPI_SAR_PROFILE_NUM) 852 return -EINVAL; 853 854 /* profiles go from 1 to 4, so decrement to access the array */ 855 prof = &mvm->sar_profiles[profs[i] - 1]; 856 857 /* if the profile is disabled, do nothing */ 858 if (!prof->enabled) { 859 IWL_DEBUG_RADIO(mvm, "SAR profile %d is disabled.\n", 860 profs[i]); 861 /* if one of the profiles is disabled, we fail all */ 862 return -ENOENT; 863 } 864 865 IWL_DEBUG_INFO(mvm, 866 "SAR EWRD: chain %d profile index %d\n", 867 i, profs[i]); 868 IWL_DEBUG_RADIO(mvm, " Chain[%d]:\n", i); 869 for (j = 0; j < ACPI_SAR_NUM_SUB_BANDS; j++) { 870 idx = (i * ACPI_SAR_NUM_SUB_BANDS) + j; 871 cmd.v5.v3.per_chain_restriction[i][j] = 872 cpu_to_le16(prof->table[idx]); 873 IWL_DEBUG_RADIO(mvm, " Band[%d] = %d * .125dBm\n", 874 j, prof->table[idx]); 875 } 876 } 877 878 IWL_DEBUG_RADIO(mvm, "Sending REDUCE_TX_POWER_CMD per chain\n"); 879 880 return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0, len, &cmd); 881 } 882 883 static bool iwl_mvm_sar_geo_support(struct iwl_mvm *mvm) 884 { 885 /* 886 * The GEO_TX_POWER_LIMIT command is not supported on earlier 887 * firmware versions. Unfortunately, we don't have a TLV API 888 * flag to rely on, so rely on the major version which is in 889 * the first byte of ucode_ver. This was implemented 890 * initially on version 38 and then backported to 36, 29 and 891 * 17. 892 */ 893 return IWL_UCODE_SERIAL(mvm->fw->ucode_ver) >= 38 || 894 IWL_UCODE_SERIAL(mvm->fw->ucode_ver) == 36 || 895 IWL_UCODE_SERIAL(mvm->fw->ucode_ver) == 29 || 896 IWL_UCODE_SERIAL(mvm->fw->ucode_ver) == 17; 897 } 898 899 int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm) 900 { 901 struct iwl_geo_tx_power_profiles_resp *resp; 902 int ret; 903 u16 len; 904 void *data; 905 struct iwl_geo_tx_power_profiles_cmd geo_cmd; 906 struct iwl_geo_tx_power_profiles_cmd_v1 geo_cmd_v1; 907 struct iwl_host_cmd cmd; 908 909 if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_SAR_TABLE_VER)) { 910 geo_cmd.ops = 911 cpu_to_le32(IWL_PER_CHAIN_OFFSET_GET_CURRENT_TABLE); 912 len = sizeof(geo_cmd); 913 data = &geo_cmd; 914 } else { 915 geo_cmd_v1.ops = 916 cpu_to_le32(IWL_PER_CHAIN_OFFSET_GET_CURRENT_TABLE); 917 len = sizeof(geo_cmd_v1); 918 data = &geo_cmd_v1; 919 } 920 921 cmd = (struct iwl_host_cmd){ 922 .id = WIDE_ID(PHY_OPS_GROUP, GEO_TX_POWER_LIMIT), 923 .len = { len, }, 924 .flags = CMD_WANT_SKB, 925 .data = { data }, 926 }; 927 928 if (!iwl_mvm_sar_geo_support(mvm)) 929 return -EOPNOTSUPP; 930 931 ret = iwl_mvm_send_cmd(mvm, &cmd); 932 if (ret) { 933 IWL_ERR(mvm, "Failed to get geographic profile info %d\n", ret); 934 return ret; 935 } 936 937 resp = (void *)cmd.resp_pkt->data; 938 ret = le32_to_cpu(resp->profile_idx); 939 if (WARN_ON(ret > ACPI_NUM_GEO_PROFILES)) { 940 ret = -EIO; 941 IWL_WARN(mvm, "Invalid geographic profile idx (%d)\n", ret); 942 } 943 944 iwl_free_resp(&cmd); 945 return ret; 946 } 947 948 static int iwl_mvm_sar_geo_init(struct iwl_mvm *mvm) 949 { 950 struct iwl_geo_tx_power_profiles_cmd cmd = { 951 .ops = cpu_to_le32(IWL_PER_CHAIN_OFFSET_SET_TABLES), 952 }; 953 int ret, i, j; 954 u16 cmd_wide_id = WIDE_ID(PHY_OPS_GROUP, GEO_TX_POWER_LIMIT); 955 956 if (!iwl_mvm_sar_geo_support(mvm)) 957 return 0; 958 959 ret = iwl_mvm_sar_get_wgds_table(mvm); 960 if (ret < 0) { 961 IWL_DEBUG_RADIO(mvm, 962 "Geo SAR BIOS table invalid or unavailable. (%d)\n", 963 ret); 964 /* we don't fail if the table is not available */ 965 return 0; 966 } 967 968 IWL_DEBUG_RADIO(mvm, "Sending GEO_TX_POWER_LIMIT\n"); 969 970 BUILD_BUG_ON(ACPI_NUM_GEO_PROFILES * ACPI_WGDS_NUM_BANDS * 971 ACPI_WGDS_TABLE_SIZE + 1 != ACPI_WGDS_WIFI_DATA_SIZE); 972 973 BUILD_BUG_ON(ACPI_NUM_GEO_PROFILES > IWL_NUM_GEO_PROFILES); 974 975 for (i = 0; i < ACPI_NUM_GEO_PROFILES; i++) { 976 struct iwl_per_chain_offset *chain = 977 (struct iwl_per_chain_offset *)&cmd.table[i]; 978 979 for (j = 0; j < ACPI_WGDS_NUM_BANDS; j++) { 980 u8 *value; 981 982 value = &mvm->geo_profiles[i].values[j * 983 ACPI_GEO_PER_CHAIN_SIZE]; 984 chain[j].max_tx_power = cpu_to_le16(value[0]); 985 chain[j].chain_a = value[1]; 986 chain[j].chain_b = value[2]; 987 IWL_DEBUG_RADIO(mvm, 988 "SAR geographic profile[%d] Band[%d]: chain A = %d chain B = %d max_tx_power = %d\n", 989 i, j, value[1], value[2], value[0]); 990 } 991 } 992 993 cmd.table_revision = cpu_to_le32(mvm->geo_rev); 994 995 if (!fw_has_api(&mvm->fw->ucode_capa, 996 IWL_UCODE_TLV_API_SAR_TABLE_VER)) { 997 return iwl_mvm_send_cmd_pdu(mvm, cmd_wide_id, 0, 998 sizeof(struct iwl_geo_tx_power_profiles_cmd_v1), 999 &cmd); 1000 } 1001 1002 return iwl_mvm_send_cmd_pdu(mvm, cmd_wide_id, 0, sizeof(cmd), &cmd); 1003 } 1004 1005 #else /* CONFIG_ACPI */ 1006 static int iwl_mvm_sar_get_wrds_table(struct iwl_mvm *mvm) 1007 { 1008 return -ENOENT; 1009 } 1010 1011 static int iwl_mvm_sar_get_ewrd_table(struct iwl_mvm *mvm) 1012 { 1013 return -ENOENT; 1014 } 1015 1016 static int iwl_mvm_sar_get_wgds_table(struct iwl_mvm *mvm) 1017 { 1018 return -ENOENT; 1019 } 1020 1021 static int iwl_mvm_sar_geo_init(struct iwl_mvm *mvm) 1022 { 1023 return 0; 1024 } 1025 1026 int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a, 1027 int prof_b) 1028 { 1029 return -ENOENT; 1030 } 1031 1032 int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm) 1033 { 1034 return -ENOENT; 1035 } 1036 #endif /* CONFIG_ACPI */ 1037 1038 void iwl_mvm_send_recovery_cmd(struct iwl_mvm *mvm, u32 flags) 1039 { 1040 u32 error_log_size = mvm->fw->ucode_capa.error_log_size; 1041 int ret; 1042 u32 resp; 1043 1044 struct iwl_fw_error_recovery_cmd recovery_cmd = { 1045 .flags = cpu_to_le32(flags), 1046 .buf_size = 0, 1047 }; 1048 struct iwl_host_cmd host_cmd = { 1049 .id = WIDE_ID(SYSTEM_GROUP, FW_ERROR_RECOVERY_CMD), 1050 .flags = CMD_WANT_SKB, 1051 .data = {&recovery_cmd, }, 1052 .len = {sizeof(recovery_cmd), }, 1053 }; 1054 1055 /* no error log was defined in TLV */ 1056 if (!error_log_size) 1057 return; 1058 1059 if (flags & ERROR_RECOVERY_UPDATE_DB) { 1060 /* no buf was allocated while HW reset */ 1061 if (!mvm->error_recovery_buf) 1062 return; 1063 1064 host_cmd.data[1] = mvm->error_recovery_buf; 1065 host_cmd.len[1] = error_log_size; 1066 host_cmd.dataflags[1] = IWL_HCMD_DFL_NOCOPY; 1067 recovery_cmd.buf_size = cpu_to_le32(error_log_size); 1068 } 1069 1070 ret = iwl_mvm_send_cmd(mvm, &host_cmd); 1071 kfree(mvm->error_recovery_buf); 1072 mvm->error_recovery_buf = NULL; 1073 1074 if (ret) { 1075 IWL_ERR(mvm, "Failed to send recovery cmd %d\n", ret); 1076 return; 1077 } 1078 1079 /* skb respond is only relevant in ERROR_RECOVERY_UPDATE_DB */ 1080 if (flags & ERROR_RECOVERY_UPDATE_DB) { 1081 resp = le32_to_cpu(*(__le32 *)host_cmd.resp_pkt->data); 1082 if (resp) 1083 IWL_ERR(mvm, 1084 "Failed to send recovery cmd blob was invalid %d\n", 1085 resp); 1086 } 1087 } 1088 1089 static int iwl_mvm_sar_init(struct iwl_mvm *mvm) 1090 { 1091 int ret; 1092 1093 ret = iwl_mvm_sar_get_wrds_table(mvm); 1094 if (ret < 0) { 1095 IWL_DEBUG_RADIO(mvm, 1096 "WRDS SAR BIOS table invalid or unavailable. (%d)\n", 1097 ret); 1098 /* 1099 * If not available, don't fail and don't bother with EWRD. 1100 * Return 1 to tell that we can't use WGDS either. 1101 */ 1102 return 1; 1103 } 1104 1105 ret = iwl_mvm_sar_get_ewrd_table(mvm); 1106 /* if EWRD is not available, we can still use WRDS, so don't fail */ 1107 if (ret < 0) 1108 IWL_DEBUG_RADIO(mvm, 1109 "EWRD SAR BIOS table invalid or unavailable. (%d)\n", 1110 ret); 1111 1112 /* choose profile 1 (WRDS) as default for both chains */ 1113 ret = iwl_mvm_sar_select_profile(mvm, 1, 1); 1114 1115 /* 1116 * If we don't have profile 0 from BIOS, just skip it. This 1117 * means that SAR Geo will not be enabled either, even if we 1118 * have other valid profiles. 1119 */ 1120 if (ret == -ENOENT) 1121 return 1; 1122 1123 return ret; 1124 } 1125 1126 static int iwl_mvm_load_rt_fw(struct iwl_mvm *mvm) 1127 { 1128 int ret; 1129 1130 if (iwl_mvm_has_unified_ucode(mvm)) 1131 return iwl_run_unified_mvm_ucode(mvm, false); 1132 1133 ret = iwl_run_init_mvm_ucode(mvm, false); 1134 1135 if (ret) { 1136 IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", ret); 1137 1138 if (iwlmvm_mod_params.init_dbg) 1139 return 0; 1140 return ret; 1141 } 1142 1143 /* 1144 * Stop and start the transport without entering low power 1145 * mode. This will save the state of other components on the 1146 * device that are triggered by the INIT firwmare (MFUART). 1147 */ 1148 _iwl_trans_stop_device(mvm->trans, false); 1149 ret = _iwl_trans_start_hw(mvm->trans, false); 1150 if (ret) 1151 return ret; 1152 1153 iwl_fw_dbg_apply_point(&mvm->fwrt, IWL_FW_INI_APPLY_EARLY); 1154 1155 mvm->rfkill_safe_init_done = false; 1156 ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_REGULAR); 1157 if (ret) 1158 return ret; 1159 1160 mvm->rfkill_safe_init_done = true; 1161 1162 iwl_fw_dbg_apply_point(&mvm->fwrt, IWL_FW_INI_APPLY_AFTER_ALIVE); 1163 1164 return iwl_init_paging(&mvm->fwrt, mvm->fwrt.cur_fw_img); 1165 } 1166 1167 int iwl_mvm_up(struct iwl_mvm *mvm) 1168 { 1169 int ret, i; 1170 struct ieee80211_channel *chan; 1171 struct cfg80211_chan_def chandef; 1172 1173 lockdep_assert_held(&mvm->mutex); 1174 1175 ret = iwl_trans_start_hw(mvm->trans); 1176 if (ret) 1177 return ret; 1178 1179 ret = iwl_mvm_load_rt_fw(mvm); 1180 if (ret) { 1181 IWL_ERR(mvm, "Failed to start RT ucode: %d\n", ret); 1182 if (ret != -ERFKILL) 1183 iwl_fw_dbg_error_collect(&mvm->fwrt, 1184 FW_DBG_TRIGGER_DRIVER); 1185 goto error; 1186 } 1187 1188 iwl_get_shared_mem_conf(&mvm->fwrt); 1189 1190 ret = iwl_mvm_sf_update(mvm, NULL, false); 1191 if (ret) 1192 IWL_ERR(mvm, "Failed to initialize Smart Fifo\n"); 1193 1194 if (!mvm->trans->dbg.ini_valid) { 1195 mvm->fwrt.dump.conf = FW_DBG_INVALID; 1196 /* if we have a destination, assume EARLY START */ 1197 if (mvm->fw->dbg.dest_tlv) 1198 mvm->fwrt.dump.conf = FW_DBG_START_FROM_ALIVE; 1199 iwl_fw_start_dbg_conf(&mvm->fwrt, FW_DBG_START_FROM_ALIVE); 1200 } 1201 1202 ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm)); 1203 if (ret) 1204 goto error; 1205 1206 if (!iwl_mvm_has_unified_ucode(mvm)) { 1207 /* Send phy db control command and then phy db calibration */ 1208 ret = iwl_send_phy_db_data(mvm->phy_db); 1209 if (ret) 1210 goto error; 1211 1212 ret = iwl_send_phy_cfg_cmd(mvm); 1213 if (ret) 1214 goto error; 1215 } 1216 1217 ret = iwl_mvm_send_bt_init_conf(mvm); 1218 if (ret) 1219 goto error; 1220 1221 /* Init RSS configuration */ 1222 if (mvm->trans->cfg->device_family >= IWL_DEVICE_FAMILY_22000) { 1223 ret = iwl_configure_rxq(mvm); 1224 if (ret) { 1225 IWL_ERR(mvm, "Failed to configure RX queues: %d\n", 1226 ret); 1227 goto error; 1228 } 1229 } 1230 1231 if (iwl_mvm_has_new_rx_api(mvm)) { 1232 ret = iwl_send_rss_cfg_cmd(mvm); 1233 if (ret) { 1234 IWL_ERR(mvm, "Failed to configure RSS queues: %d\n", 1235 ret); 1236 goto error; 1237 } 1238 } 1239 1240 /* init the fw <-> mac80211 STA mapping */ 1241 for (i = 0; i < ARRAY_SIZE(mvm->fw_id_to_mac_id); i++) 1242 RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL); 1243 1244 mvm->tdls_cs.peer.sta_id = IWL_MVM_INVALID_STA; 1245 1246 /* reset quota debouncing buffer - 0xff will yield invalid data */ 1247 memset(&mvm->last_quota_cmd, 0xff, sizeof(mvm->last_quota_cmd)); 1248 1249 ret = iwl_mvm_send_dqa_cmd(mvm); 1250 if (ret) 1251 goto error; 1252 1253 /* Add auxiliary station for scanning */ 1254 ret = iwl_mvm_add_aux_sta(mvm); 1255 if (ret) 1256 goto error; 1257 1258 /* Add all the PHY contexts */ 1259 chan = &mvm->hw->wiphy->bands[NL80211_BAND_2GHZ]->channels[0]; 1260 cfg80211_chandef_create(&chandef, chan, NL80211_CHAN_NO_HT); 1261 for (i = 0; i < NUM_PHY_CTX; i++) { 1262 /* 1263 * The channel used here isn't relevant as it's 1264 * going to be overwritten in the other flows. 1265 * For now use the first channel we have. 1266 */ 1267 ret = iwl_mvm_phy_ctxt_add(mvm, &mvm->phy_ctxts[i], 1268 &chandef, 1, 1); 1269 if (ret) 1270 goto error; 1271 } 1272 1273 #ifdef CONFIG_THERMAL 1274 if (iwl_mvm_is_tt_in_fw(mvm)) { 1275 /* in order to give the responsibility of ct-kill and 1276 * TX backoff to FW we need to send empty temperature reporting 1277 * cmd during init time 1278 */ 1279 iwl_mvm_send_temp_report_ths_cmd(mvm); 1280 } else { 1281 /* Initialize tx backoffs to the minimal possible */ 1282 iwl_mvm_tt_tx_backoff(mvm, 0); 1283 } 1284 1285 /* TODO: read the budget from BIOS / Platform NVM */ 1286 1287 /* 1288 * In case there is no budget from BIOS / Platform NVM the default 1289 * budget should be 2000mW (cooling state 0). 1290 */ 1291 if (iwl_mvm_is_ctdp_supported(mvm)) { 1292 ret = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_START, 1293 mvm->cooling_dev.cur_state); 1294 if (ret) 1295 goto error; 1296 } 1297 #else 1298 /* Initialize tx backoffs to the minimal possible */ 1299 iwl_mvm_tt_tx_backoff(mvm, 0); 1300 #endif 1301 1302 WARN_ON(iwl_mvm_config_ltr(mvm)); 1303 1304 ret = iwl_mvm_power_update_device(mvm); 1305 if (ret) 1306 goto error; 1307 1308 /* 1309 * RTNL is not taken during Ct-kill, but we don't need to scan/Tx 1310 * anyway, so don't init MCC. 1311 */ 1312 if (!test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status)) { 1313 ret = iwl_mvm_init_mcc(mvm); 1314 if (ret) 1315 goto error; 1316 } 1317 1318 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) { 1319 mvm->scan_type = IWL_SCAN_TYPE_NOT_SET; 1320 mvm->hb_scan_type = IWL_SCAN_TYPE_NOT_SET; 1321 ret = iwl_mvm_config_scan(mvm); 1322 if (ret) 1323 goto error; 1324 } 1325 1326 /* allow FW/transport low power modes if not during restart */ 1327 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1328 iwl_mvm_unref(mvm, IWL_MVM_REF_UCODE_DOWN); 1329 1330 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1331 iwl_mvm_send_recovery_cmd(mvm, ERROR_RECOVERY_UPDATE_DB); 1332 1333 if (iwl_acpi_get_eckv(mvm->dev, &mvm->ext_clock_valid)) 1334 IWL_DEBUG_INFO(mvm, "ECKV table doesn't exist in BIOS\n"); 1335 1336 ret = iwl_mvm_sar_init(mvm); 1337 if (ret == 0) { 1338 ret = iwl_mvm_sar_geo_init(mvm); 1339 } else if (ret > 0 && !iwl_mvm_sar_get_wgds_table(mvm)) { 1340 /* 1341 * If basic SAR is not available, we check for WGDS, 1342 * which should *not* be available either. If it is 1343 * available, issue an error, because we can't use SAR 1344 * Geo without basic SAR. 1345 */ 1346 IWL_ERR(mvm, "BIOS contains WGDS but no WRDS\n"); 1347 } 1348 1349 if (ret < 0) 1350 goto error; 1351 1352 iwl_mvm_leds_sync(mvm); 1353 1354 IWL_DEBUG_INFO(mvm, "RT uCode started.\n"); 1355 return 0; 1356 error: 1357 if (!iwlmvm_mod_params.init_dbg || !ret) 1358 iwl_mvm_stop_device(mvm); 1359 return ret; 1360 } 1361 1362 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm) 1363 { 1364 int ret, i; 1365 1366 lockdep_assert_held(&mvm->mutex); 1367 1368 ret = iwl_trans_start_hw(mvm->trans); 1369 if (ret) 1370 return ret; 1371 1372 ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_WOWLAN); 1373 if (ret) { 1374 IWL_ERR(mvm, "Failed to start WoWLAN firmware: %d\n", ret); 1375 goto error; 1376 } 1377 1378 ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm)); 1379 if (ret) 1380 goto error; 1381 1382 /* Send phy db control command and then phy db calibration*/ 1383 ret = iwl_send_phy_db_data(mvm->phy_db); 1384 if (ret) 1385 goto error; 1386 1387 ret = iwl_send_phy_cfg_cmd(mvm); 1388 if (ret) 1389 goto error; 1390 1391 /* init the fw <-> mac80211 STA mapping */ 1392 for (i = 0; i < ARRAY_SIZE(mvm->fw_id_to_mac_id); i++) 1393 RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL); 1394 1395 /* Add auxiliary station for scanning */ 1396 ret = iwl_mvm_add_aux_sta(mvm); 1397 if (ret) 1398 goto error; 1399 1400 return 0; 1401 error: 1402 iwl_mvm_stop_device(mvm); 1403 return ret; 1404 } 1405 1406 void iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm, 1407 struct iwl_rx_cmd_buffer *rxb) 1408 { 1409 struct iwl_rx_packet *pkt = rxb_addr(rxb); 1410 struct iwl_card_state_notif *card_state_notif = (void *)pkt->data; 1411 u32 flags = le32_to_cpu(card_state_notif->flags); 1412 1413 IWL_DEBUG_RF_KILL(mvm, "Card state received: HW:%s SW:%s CT:%s\n", 1414 (flags & HW_CARD_DISABLED) ? "Kill" : "On", 1415 (flags & SW_CARD_DISABLED) ? "Kill" : "On", 1416 (flags & CT_KILL_CARD_DISABLED) ? 1417 "Reached" : "Not reached"); 1418 } 1419 1420 void iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm, 1421 struct iwl_rx_cmd_buffer *rxb) 1422 { 1423 struct iwl_rx_packet *pkt = rxb_addr(rxb); 1424 struct iwl_mfuart_load_notif *mfuart_notif = (void *)pkt->data; 1425 1426 IWL_DEBUG_INFO(mvm, 1427 "MFUART: installed ver: 0x%08x, external ver: 0x%08x, status: 0x%08x, duration: 0x%08x\n", 1428 le32_to_cpu(mfuart_notif->installed_ver), 1429 le32_to_cpu(mfuart_notif->external_ver), 1430 le32_to_cpu(mfuart_notif->status), 1431 le32_to_cpu(mfuart_notif->duration)); 1432 1433 if (iwl_rx_packet_payload_len(pkt) == sizeof(*mfuart_notif)) 1434 IWL_DEBUG_INFO(mvm, 1435 "MFUART: image size: 0x%08x\n", 1436 le32_to_cpu(mfuart_notif->image_size)); 1437 } 1438