1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause 2 /* 3 * Copyright (C) 2012-2014, 2018-2021 Intel Corporation 4 * Copyright (C) 2013-2015 Intel Mobile Communications GmbH 5 * Copyright (C) 2016-2017 Intel Deutschland GmbH 6 */ 7 #include <net/mac80211.h> 8 #include <linux/netdevice.h> 9 #include <linux/dmi.h> 10 11 #include "iwl-trans.h" 12 #include "iwl-op-mode.h" 13 #include "fw/img.h" 14 #include "iwl-debug.h" 15 #include "iwl-csr.h" /* for iwl_mvm_rx_card_state_notif */ 16 #include "iwl-io.h" /* for iwl_mvm_rx_card_state_notif */ 17 #include "iwl-prph.h" 18 #include "fw/acpi.h" 19 #include "fw/pnvm.h" 20 21 #include "mvm.h" 22 #include "fw/dbg.h" 23 #include "iwl-phy-db.h" 24 #include "iwl-modparams.h" 25 #include "iwl-nvm-parse.h" 26 27 #define MVM_UCODE_ALIVE_TIMEOUT (HZ) 28 #define MVM_UCODE_CALIB_TIMEOUT (2 * HZ) 29 30 #define UCODE_VALID_OK cpu_to_le32(0x1) 31 32 #define IWL_PPAG_MASK 3 33 #define IWL_PPAG_ETSI_MASK BIT(0) 34 35 struct iwl_mvm_alive_data { 36 bool valid; 37 u32 scd_base_addr; 38 }; 39 40 static int iwl_send_tx_ant_cfg(struct iwl_mvm *mvm, u8 valid_tx_ant) 41 { 42 struct iwl_tx_ant_cfg_cmd tx_ant_cmd = { 43 .valid = cpu_to_le32(valid_tx_ant), 44 }; 45 46 IWL_DEBUG_FW(mvm, "select valid tx ant: %u\n", valid_tx_ant); 47 return iwl_mvm_send_cmd_pdu(mvm, TX_ANT_CONFIGURATION_CMD, 0, 48 sizeof(tx_ant_cmd), &tx_ant_cmd); 49 } 50 51 static int iwl_send_rss_cfg_cmd(struct iwl_mvm *mvm) 52 { 53 int i; 54 struct iwl_rss_config_cmd cmd = { 55 .flags = cpu_to_le32(IWL_RSS_ENABLE), 56 .hash_mask = BIT(IWL_RSS_HASH_TYPE_IPV4_TCP) | 57 BIT(IWL_RSS_HASH_TYPE_IPV4_UDP) | 58 BIT(IWL_RSS_HASH_TYPE_IPV4_PAYLOAD) | 59 BIT(IWL_RSS_HASH_TYPE_IPV6_TCP) | 60 BIT(IWL_RSS_HASH_TYPE_IPV6_UDP) | 61 BIT(IWL_RSS_HASH_TYPE_IPV6_PAYLOAD), 62 }; 63 64 if (mvm->trans->num_rx_queues == 1) 65 return 0; 66 67 /* Do not direct RSS traffic to Q 0 which is our fallback queue */ 68 for (i = 0; i < ARRAY_SIZE(cmd.indirection_table); i++) 69 cmd.indirection_table[i] = 70 1 + (i % (mvm->trans->num_rx_queues - 1)); 71 netdev_rss_key_fill(cmd.secret_key, sizeof(cmd.secret_key)); 72 73 return iwl_mvm_send_cmd_pdu(mvm, RSS_CONFIG_CMD, 0, sizeof(cmd), &cmd); 74 } 75 76 static int iwl_mvm_send_dqa_cmd(struct iwl_mvm *mvm) 77 { 78 struct iwl_dqa_enable_cmd dqa_cmd = { 79 .cmd_queue = cpu_to_le32(IWL_MVM_DQA_CMD_QUEUE), 80 }; 81 u32 cmd_id = iwl_cmd_id(DQA_ENABLE_CMD, DATA_PATH_GROUP, 0); 82 int ret; 83 84 ret = iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, sizeof(dqa_cmd), &dqa_cmd); 85 if (ret) 86 IWL_ERR(mvm, "Failed to send DQA enabling command: %d\n", ret); 87 else 88 IWL_DEBUG_FW(mvm, "Working in DQA mode\n"); 89 90 return ret; 91 } 92 93 void iwl_mvm_mfu_assert_dump_notif(struct iwl_mvm *mvm, 94 struct iwl_rx_cmd_buffer *rxb) 95 { 96 struct iwl_rx_packet *pkt = rxb_addr(rxb); 97 struct iwl_mfu_assert_dump_notif *mfu_dump_notif = (void *)pkt->data; 98 __le32 *dump_data = mfu_dump_notif->data; 99 int n_words = le32_to_cpu(mfu_dump_notif->data_size) / sizeof(__le32); 100 int i; 101 102 if (mfu_dump_notif->index_num == 0) 103 IWL_INFO(mvm, "MFUART assert id 0x%x occurred\n", 104 le32_to_cpu(mfu_dump_notif->assert_id)); 105 106 for (i = 0; i < n_words; i++) 107 IWL_DEBUG_INFO(mvm, 108 "MFUART assert dump, dword %u: 0x%08x\n", 109 le16_to_cpu(mfu_dump_notif->index_num) * 110 n_words + i, 111 le32_to_cpu(dump_data[i])); 112 } 113 114 static bool iwl_alive_fn(struct iwl_notif_wait_data *notif_wait, 115 struct iwl_rx_packet *pkt, void *data) 116 { 117 unsigned int pkt_len = iwl_rx_packet_payload_len(pkt); 118 struct iwl_mvm *mvm = 119 container_of(notif_wait, struct iwl_mvm, notif_wait); 120 struct iwl_mvm_alive_data *alive_data = data; 121 struct iwl_umac_alive *umac; 122 struct iwl_lmac_alive *lmac1; 123 struct iwl_lmac_alive *lmac2 = NULL; 124 u16 status; 125 u32 lmac_error_event_table, umac_error_table; 126 127 /* 128 * For v5 and above, we can check the version, for older 129 * versions we need to check the size. 130 */ 131 if (iwl_fw_lookup_notif_ver(mvm->fw, LEGACY_GROUP, 132 UCODE_ALIVE_NTFY, 0) == 5) { 133 struct iwl_alive_ntf_v5 *palive; 134 135 if (pkt_len < sizeof(*palive)) 136 return false; 137 138 palive = (void *)pkt->data; 139 umac = &palive->umac_data; 140 lmac1 = &palive->lmac_data[0]; 141 lmac2 = &palive->lmac_data[1]; 142 status = le16_to_cpu(palive->status); 143 144 mvm->trans->sku_id[0] = le32_to_cpu(palive->sku_id.data[0]); 145 mvm->trans->sku_id[1] = le32_to_cpu(palive->sku_id.data[1]); 146 mvm->trans->sku_id[2] = le32_to_cpu(palive->sku_id.data[2]); 147 148 IWL_DEBUG_FW(mvm, "Got sku_id: 0x0%x 0x0%x 0x0%x\n", 149 mvm->trans->sku_id[0], 150 mvm->trans->sku_id[1], 151 mvm->trans->sku_id[2]); 152 } else if (iwl_rx_packet_payload_len(pkt) == sizeof(struct iwl_alive_ntf_v4)) { 153 struct iwl_alive_ntf_v4 *palive; 154 155 if (pkt_len < sizeof(*palive)) 156 return false; 157 158 palive = (void *)pkt->data; 159 umac = &palive->umac_data; 160 lmac1 = &palive->lmac_data[0]; 161 lmac2 = &palive->lmac_data[1]; 162 status = le16_to_cpu(palive->status); 163 } else if (iwl_rx_packet_payload_len(pkt) == 164 sizeof(struct iwl_alive_ntf_v3)) { 165 struct iwl_alive_ntf_v3 *palive3; 166 167 if (pkt_len < sizeof(*palive3)) 168 return false; 169 170 palive3 = (void *)pkt->data; 171 umac = &palive3->umac_data; 172 lmac1 = &palive3->lmac_data; 173 status = le16_to_cpu(palive3->status); 174 } else { 175 WARN(1, "unsupported alive notification (size %d)\n", 176 iwl_rx_packet_payload_len(pkt)); 177 /* get timeout later */ 178 return false; 179 } 180 181 lmac_error_event_table = 182 le32_to_cpu(lmac1->dbg_ptrs.error_event_table_ptr); 183 iwl_fw_lmac1_set_alive_err_table(mvm->trans, lmac_error_event_table); 184 185 if (lmac2) 186 mvm->trans->dbg.lmac_error_event_table[1] = 187 le32_to_cpu(lmac2->dbg_ptrs.error_event_table_ptr); 188 189 umac_error_table = le32_to_cpu(umac->dbg_ptrs.error_info_addr) & 190 ~FW_ADDR_CACHE_CONTROL; 191 192 if (umac_error_table) { 193 if (umac_error_table >= 194 mvm->trans->cfg->min_umac_error_event_table) { 195 iwl_fw_umac_set_alive_err_table(mvm->trans, 196 umac_error_table); 197 } else { 198 IWL_ERR(mvm, 199 "Not valid error log pointer 0x%08X for %s uCode\n", 200 umac_error_table, 201 (mvm->fwrt.cur_fw_img == IWL_UCODE_INIT) ? 202 "Init" : "RT"); 203 } 204 } 205 206 alive_data->scd_base_addr = le32_to_cpu(lmac1->dbg_ptrs.scd_base_ptr); 207 alive_data->valid = status == IWL_ALIVE_STATUS_OK; 208 209 IWL_DEBUG_FW(mvm, 210 "Alive ucode status 0x%04x revision 0x%01X 0x%01X\n", 211 status, lmac1->ver_type, lmac1->ver_subtype); 212 213 if (lmac2) 214 IWL_DEBUG_FW(mvm, "Alive ucode CDB\n"); 215 216 IWL_DEBUG_FW(mvm, 217 "UMAC version: Major - 0x%x, Minor - 0x%x\n", 218 le32_to_cpu(umac->umac_major), 219 le32_to_cpu(umac->umac_minor)); 220 221 iwl_fwrt_update_fw_versions(&mvm->fwrt, lmac1, umac); 222 223 return true; 224 } 225 226 static bool iwl_wait_init_complete(struct iwl_notif_wait_data *notif_wait, 227 struct iwl_rx_packet *pkt, void *data) 228 { 229 WARN_ON(pkt->hdr.cmd != INIT_COMPLETE_NOTIF); 230 231 return true; 232 } 233 234 static bool iwl_wait_phy_db_entry(struct iwl_notif_wait_data *notif_wait, 235 struct iwl_rx_packet *pkt, void *data) 236 { 237 struct iwl_phy_db *phy_db = data; 238 239 if (pkt->hdr.cmd != CALIB_RES_NOTIF_PHY_DB) { 240 WARN_ON(pkt->hdr.cmd != INIT_COMPLETE_NOTIF); 241 return true; 242 } 243 244 WARN_ON(iwl_phy_db_set_section(phy_db, pkt)); 245 246 return false; 247 } 248 249 static int iwl_mvm_load_ucode_wait_alive(struct iwl_mvm *mvm, 250 enum iwl_ucode_type ucode_type) 251 { 252 struct iwl_notification_wait alive_wait; 253 struct iwl_mvm_alive_data alive_data = {}; 254 const struct fw_img *fw; 255 int ret; 256 enum iwl_ucode_type old_type = mvm->fwrt.cur_fw_img; 257 static const u16 alive_cmd[] = { UCODE_ALIVE_NTFY }; 258 bool run_in_rfkill = 259 ucode_type == IWL_UCODE_INIT || iwl_mvm_has_unified_ucode(mvm); 260 261 if (ucode_type == IWL_UCODE_REGULAR && 262 iwl_fw_dbg_conf_usniffer(mvm->fw, FW_DBG_START_FROM_ALIVE) && 263 !(fw_has_capa(&mvm->fw->ucode_capa, 264 IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED))) 265 fw = iwl_get_ucode_image(mvm->fw, IWL_UCODE_REGULAR_USNIFFER); 266 else 267 fw = iwl_get_ucode_image(mvm->fw, ucode_type); 268 if (WARN_ON(!fw)) 269 return -EINVAL; 270 iwl_fw_set_current_image(&mvm->fwrt, ucode_type); 271 clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); 272 273 iwl_init_notification_wait(&mvm->notif_wait, &alive_wait, 274 alive_cmd, ARRAY_SIZE(alive_cmd), 275 iwl_alive_fn, &alive_data); 276 277 /* 278 * We want to load the INIT firmware even in RFKILL 279 * For the unified firmware case, the ucode_type is not 280 * INIT, but we still need to run it. 281 */ 282 ret = iwl_trans_start_fw(mvm->trans, fw, run_in_rfkill); 283 if (ret) { 284 iwl_fw_set_current_image(&mvm->fwrt, old_type); 285 iwl_remove_notification(&mvm->notif_wait, &alive_wait); 286 return ret; 287 } 288 289 /* 290 * Some things may run in the background now, but we 291 * just wait for the ALIVE notification here. 292 */ 293 ret = iwl_wait_notification(&mvm->notif_wait, &alive_wait, 294 MVM_UCODE_ALIVE_TIMEOUT); 295 if (ret) { 296 struct iwl_trans *trans = mvm->trans; 297 298 if (trans->trans_cfg->device_family >= 299 IWL_DEVICE_FAMILY_22000) { 300 IWL_ERR(mvm, 301 "SecBoot CPU1 Status: 0x%x, CPU2 Status: 0x%x\n", 302 iwl_read_umac_prph(trans, UMAG_SB_CPU_1_STATUS), 303 iwl_read_umac_prph(trans, 304 UMAG_SB_CPU_2_STATUS)); 305 IWL_ERR(mvm, "UMAC PC: 0x%x\n", 306 iwl_read_umac_prph(trans, 307 UREG_UMAC_CURRENT_PC)); 308 IWL_ERR(mvm, "LMAC PC: 0x%x\n", 309 iwl_read_umac_prph(trans, 310 UREG_LMAC1_CURRENT_PC)); 311 if (iwl_mvm_is_cdb_supported(mvm)) 312 IWL_ERR(mvm, "LMAC2 PC: 0x%x\n", 313 iwl_read_umac_prph(trans, 314 UREG_LMAC2_CURRENT_PC)); 315 } else if (trans->trans_cfg->device_family >= 316 IWL_DEVICE_FAMILY_8000) { 317 IWL_ERR(mvm, 318 "SecBoot CPU1 Status: 0x%x, CPU2 Status: 0x%x\n", 319 iwl_read_prph(trans, SB_CPU_1_STATUS), 320 iwl_read_prph(trans, SB_CPU_2_STATUS)); 321 } 322 323 if (ret == -ETIMEDOUT) 324 iwl_fw_dbg_error_collect(&mvm->fwrt, 325 FW_DBG_TRIGGER_ALIVE_TIMEOUT); 326 327 iwl_fw_set_current_image(&mvm->fwrt, old_type); 328 return ret; 329 } 330 331 if (!alive_data.valid) { 332 IWL_ERR(mvm, "Loaded ucode is not valid!\n"); 333 iwl_fw_set_current_image(&mvm->fwrt, old_type); 334 return -EIO; 335 } 336 337 ret = iwl_pnvm_load(mvm->trans, &mvm->notif_wait); 338 if (ret) { 339 IWL_ERR(mvm, "Timeout waiting for PNVM load!\n"); 340 iwl_fw_set_current_image(&mvm->fwrt, old_type); 341 return ret; 342 } 343 344 iwl_trans_fw_alive(mvm->trans, alive_data.scd_base_addr); 345 346 /* 347 * Note: all the queues are enabled as part of the interface 348 * initialization, but in firmware restart scenarios they 349 * could be stopped, so wake them up. In firmware restart, 350 * mac80211 will have the queues stopped as well until the 351 * reconfiguration completes. During normal startup, they 352 * will be empty. 353 */ 354 355 memset(&mvm->queue_info, 0, sizeof(mvm->queue_info)); 356 /* 357 * Set a 'fake' TID for the command queue, since we use the 358 * hweight() of the tid_bitmap as a refcount now. Not that 359 * we ever even consider the command queue as one we might 360 * want to reuse, but be safe nevertheless. 361 */ 362 mvm->queue_info[IWL_MVM_DQA_CMD_QUEUE].tid_bitmap = 363 BIT(IWL_MAX_TID_COUNT + 2); 364 365 set_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); 366 #ifdef CONFIG_IWLWIFI_DEBUGFS 367 iwl_fw_set_dbg_rec_on(&mvm->fwrt); 368 #endif 369 370 /* 371 * All the BSSes in the BSS table include the GP2 in the system 372 * at the beacon Rx time, this is of course no longer relevant 373 * since we are resetting the firmware. 374 * Purge all the BSS table. 375 */ 376 cfg80211_bss_flush(mvm->hw->wiphy); 377 378 return 0; 379 } 380 381 static int iwl_run_unified_mvm_ucode(struct iwl_mvm *mvm) 382 { 383 struct iwl_notification_wait init_wait; 384 struct iwl_nvm_access_complete_cmd nvm_complete = {}; 385 struct iwl_init_extended_cfg_cmd init_cfg = { 386 .init_flags = cpu_to_le32(BIT(IWL_INIT_NVM)), 387 }; 388 static const u16 init_complete[] = { 389 INIT_COMPLETE_NOTIF, 390 }; 391 int ret; 392 393 if (mvm->trans->cfg->tx_with_siso_diversity) 394 init_cfg.init_flags |= cpu_to_le32(BIT(IWL_INIT_PHY)); 395 396 lockdep_assert_held(&mvm->mutex); 397 398 mvm->rfkill_safe_init_done = false; 399 400 iwl_init_notification_wait(&mvm->notif_wait, 401 &init_wait, 402 init_complete, 403 ARRAY_SIZE(init_complete), 404 iwl_wait_init_complete, 405 NULL); 406 407 iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_EARLY, 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 goto error; 414 } 415 iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_AFTER_ALIVE, 416 NULL); 417 418 /* Send init config command to mark that we are sending NVM access 419 * commands 420 */ 421 ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(SYSTEM_GROUP, 422 INIT_EXTENDED_CFG_CMD), 423 CMD_SEND_IN_RFKILL, 424 sizeof(init_cfg), &init_cfg); 425 if (ret) { 426 IWL_ERR(mvm, "Failed to run init config command: %d\n", 427 ret); 428 goto error; 429 } 430 431 /* Load NVM to NIC if needed */ 432 if (mvm->nvm_file_name) { 433 ret = iwl_read_external_nvm(mvm->trans, mvm->nvm_file_name, 434 mvm->nvm_sections); 435 if (ret) 436 goto error; 437 ret = iwl_mvm_load_nvm_to_nic(mvm); 438 if (ret) 439 goto error; 440 } 441 442 if (IWL_MVM_PARSE_NVM && !mvm->nvm_data) { 443 ret = iwl_nvm_init(mvm); 444 if (ret) { 445 IWL_ERR(mvm, "Failed to read NVM: %d\n", ret); 446 goto error; 447 } 448 } 449 450 ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(REGULATORY_AND_NVM_GROUP, 451 NVM_ACCESS_COMPLETE), 452 CMD_SEND_IN_RFKILL, 453 sizeof(nvm_complete), &nvm_complete); 454 if (ret) { 455 IWL_ERR(mvm, "Failed to run complete NVM access: %d\n", 456 ret); 457 goto error; 458 } 459 460 /* We wait for the INIT complete notification */ 461 ret = iwl_wait_notification(&mvm->notif_wait, &init_wait, 462 MVM_UCODE_ALIVE_TIMEOUT); 463 if (ret) 464 return ret; 465 466 /* Read the NVM only at driver load time, no need to do this twice */ 467 if (!IWL_MVM_PARSE_NVM && !mvm->nvm_data) { 468 mvm->nvm_data = iwl_get_nvm(mvm->trans, mvm->fw); 469 if (IS_ERR(mvm->nvm_data)) { 470 ret = PTR_ERR(mvm->nvm_data); 471 mvm->nvm_data = NULL; 472 IWL_ERR(mvm, "Failed to read NVM: %d\n", ret); 473 return ret; 474 } 475 } 476 477 mvm->rfkill_safe_init_done = true; 478 479 return 0; 480 481 error: 482 iwl_remove_notification(&mvm->notif_wait, &init_wait); 483 return ret; 484 } 485 486 #ifdef CONFIG_ACPI 487 static void iwl_mvm_phy_filter_init(struct iwl_mvm *mvm, 488 struct iwl_phy_specific_cfg *phy_filters) 489 { 490 /* 491 * TODO: read specific phy config from BIOS 492 * ACPI table for this feature has not been defined yet, 493 * so for now we use hardcoded values. 494 */ 495 496 if (IWL_MVM_PHY_FILTER_CHAIN_A) { 497 phy_filters->filter_cfg_chain_a = 498 cpu_to_le32(IWL_MVM_PHY_FILTER_CHAIN_A); 499 } 500 if (IWL_MVM_PHY_FILTER_CHAIN_B) { 501 phy_filters->filter_cfg_chain_b = 502 cpu_to_le32(IWL_MVM_PHY_FILTER_CHAIN_B); 503 } 504 if (IWL_MVM_PHY_FILTER_CHAIN_C) { 505 phy_filters->filter_cfg_chain_c = 506 cpu_to_le32(IWL_MVM_PHY_FILTER_CHAIN_C); 507 } 508 if (IWL_MVM_PHY_FILTER_CHAIN_D) { 509 phy_filters->filter_cfg_chain_d = 510 cpu_to_le32(IWL_MVM_PHY_FILTER_CHAIN_D); 511 } 512 } 513 514 #else /* CONFIG_ACPI */ 515 516 static void iwl_mvm_phy_filter_init(struct iwl_mvm *mvm, 517 struct iwl_phy_specific_cfg *phy_filters) 518 { 519 } 520 #endif /* CONFIG_ACPI */ 521 522 static int iwl_send_phy_cfg_cmd(struct iwl_mvm *mvm) 523 { 524 struct iwl_phy_cfg_cmd_v3 phy_cfg_cmd; 525 enum iwl_ucode_type ucode_type = mvm->fwrt.cur_fw_img; 526 struct iwl_phy_specific_cfg phy_filters = {}; 527 u8 cmd_ver; 528 size_t cmd_size; 529 530 if (iwl_mvm_has_unified_ucode(mvm) && 531 !mvm->trans->cfg->tx_with_siso_diversity) 532 return 0; 533 534 if (mvm->trans->cfg->tx_with_siso_diversity) { 535 /* 536 * TODO: currently we don't set the antenna but letting the NIC 537 * to decide which antenna to use. This should come from BIOS. 538 */ 539 phy_cfg_cmd.phy_cfg = 540 cpu_to_le32(FW_PHY_CFG_CHAIN_SAD_ENABLED); 541 } 542 543 /* Set parameters */ 544 phy_cfg_cmd.phy_cfg = cpu_to_le32(iwl_mvm_get_phy_config(mvm)); 545 546 /* set flags extra PHY configuration flags from the device's cfg */ 547 phy_cfg_cmd.phy_cfg |= 548 cpu_to_le32(mvm->trans->trans_cfg->extra_phy_cfg_flags); 549 550 phy_cfg_cmd.calib_control.event_trigger = 551 mvm->fw->default_calib[ucode_type].event_trigger; 552 phy_cfg_cmd.calib_control.flow_trigger = 553 mvm->fw->default_calib[ucode_type].flow_trigger; 554 555 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, IWL_ALWAYS_LONG_GROUP, 556 PHY_CONFIGURATION_CMD, 557 IWL_FW_CMD_VER_UNKNOWN); 558 if (cmd_ver == 3) { 559 iwl_mvm_phy_filter_init(mvm, &phy_filters); 560 memcpy(&phy_cfg_cmd.phy_specific_cfg, &phy_filters, 561 sizeof(struct iwl_phy_specific_cfg)); 562 } 563 564 IWL_DEBUG_INFO(mvm, "Sending Phy CFG command: 0x%x\n", 565 phy_cfg_cmd.phy_cfg); 566 cmd_size = (cmd_ver == 3) ? sizeof(struct iwl_phy_cfg_cmd_v3) : 567 sizeof(struct iwl_phy_cfg_cmd_v1); 568 return iwl_mvm_send_cmd_pdu(mvm, PHY_CONFIGURATION_CMD, 0, 569 cmd_size, &phy_cfg_cmd); 570 } 571 572 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm) 573 { 574 struct iwl_notification_wait calib_wait; 575 static const u16 init_complete[] = { 576 INIT_COMPLETE_NOTIF, 577 CALIB_RES_NOTIF_PHY_DB 578 }; 579 int ret; 580 581 if (iwl_mvm_has_unified_ucode(mvm)) 582 return iwl_run_unified_mvm_ucode(mvm); 583 584 lockdep_assert_held(&mvm->mutex); 585 586 mvm->rfkill_safe_init_done = false; 587 588 iwl_init_notification_wait(&mvm->notif_wait, 589 &calib_wait, 590 init_complete, 591 ARRAY_SIZE(init_complete), 592 iwl_wait_phy_db_entry, 593 mvm->phy_db); 594 595 iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_EARLY, NULL); 596 597 /* Will also start the device */ 598 ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_INIT); 599 if (ret) { 600 IWL_ERR(mvm, "Failed to start INIT ucode: %d\n", ret); 601 goto remove_notif; 602 } 603 604 if (mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_8000) { 605 ret = iwl_mvm_send_bt_init_conf(mvm); 606 if (ret) 607 goto remove_notif; 608 } 609 610 /* Read the NVM only at driver load time, no need to do this twice */ 611 if (!mvm->nvm_data) { 612 ret = iwl_nvm_init(mvm); 613 if (ret) { 614 IWL_ERR(mvm, "Failed to read NVM: %d\n", ret); 615 goto remove_notif; 616 } 617 } 618 619 /* In case we read the NVM from external file, load it to the NIC */ 620 if (mvm->nvm_file_name) { 621 ret = iwl_mvm_load_nvm_to_nic(mvm); 622 if (ret) 623 goto remove_notif; 624 } 625 626 WARN_ONCE(mvm->nvm_data->nvm_version < mvm->trans->cfg->nvm_ver, 627 "Too old NVM version (0x%0x, required = 0x%0x)", 628 mvm->nvm_data->nvm_version, mvm->trans->cfg->nvm_ver); 629 630 /* 631 * abort after reading the nvm in case RF Kill is on, we will complete 632 * the init seq later when RF kill will switch to off 633 */ 634 if (iwl_mvm_is_radio_hw_killed(mvm)) { 635 IWL_DEBUG_RF_KILL(mvm, 636 "jump over all phy activities due to RF kill\n"); 637 goto remove_notif; 638 } 639 640 mvm->rfkill_safe_init_done = true; 641 642 /* Send TX valid antennas before triggering calibrations */ 643 ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm)); 644 if (ret) 645 goto remove_notif; 646 647 ret = iwl_send_phy_cfg_cmd(mvm); 648 if (ret) { 649 IWL_ERR(mvm, "Failed to run INIT calibrations: %d\n", 650 ret); 651 goto remove_notif; 652 } 653 654 /* 655 * Some things may run in the background now, but we 656 * just wait for the calibration complete notification. 657 */ 658 ret = iwl_wait_notification(&mvm->notif_wait, &calib_wait, 659 MVM_UCODE_CALIB_TIMEOUT); 660 if (!ret) 661 goto out; 662 663 if (iwl_mvm_is_radio_hw_killed(mvm)) { 664 IWL_DEBUG_RF_KILL(mvm, "RFKILL while calibrating.\n"); 665 ret = 0; 666 } else { 667 IWL_ERR(mvm, "Failed to run INIT calibrations: %d\n", 668 ret); 669 } 670 671 goto out; 672 673 remove_notif: 674 iwl_remove_notification(&mvm->notif_wait, &calib_wait); 675 out: 676 mvm->rfkill_safe_init_done = false; 677 if (iwlmvm_mod_params.init_dbg && !mvm->nvm_data) { 678 /* we want to debug INIT and we have no NVM - fake */ 679 mvm->nvm_data = kzalloc(sizeof(struct iwl_nvm_data) + 680 sizeof(struct ieee80211_channel) + 681 sizeof(struct ieee80211_rate), 682 GFP_KERNEL); 683 if (!mvm->nvm_data) 684 return -ENOMEM; 685 mvm->nvm_data->bands[0].channels = mvm->nvm_data->channels; 686 mvm->nvm_data->bands[0].n_channels = 1; 687 mvm->nvm_data->bands[0].n_bitrates = 1; 688 mvm->nvm_data->bands[0].bitrates = 689 (void *)mvm->nvm_data->channels + 1; 690 mvm->nvm_data->bands[0].bitrates->hw_value = 10; 691 } 692 693 return ret; 694 } 695 696 static int iwl_mvm_config_ltr(struct iwl_mvm *mvm) 697 { 698 struct iwl_ltr_config_cmd cmd = { 699 .flags = cpu_to_le32(LTR_CFG_FLAG_FEATURE_ENABLE), 700 }; 701 702 if (!mvm->trans->ltr_enabled) 703 return 0; 704 705 return iwl_mvm_send_cmd_pdu(mvm, LTR_CONFIG, 0, 706 sizeof(cmd), &cmd); 707 } 708 709 #ifdef CONFIG_ACPI 710 int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a, int prof_b) 711 { 712 struct iwl_dev_tx_power_cmd cmd = { 713 .common.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_CHAINS), 714 }; 715 __le16 *per_chain; 716 int ret; 717 u16 len = 0; 718 u32 n_subbands; 719 u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, LONG_GROUP, 720 REDUCE_TX_POWER_CMD, 721 IWL_FW_CMD_VER_UNKNOWN); 722 723 if (cmd_ver == 6) { 724 len = sizeof(cmd.v6); 725 n_subbands = IWL_NUM_SUB_BANDS_V2; 726 per_chain = cmd.v6.per_chain[0][0]; 727 } else if (fw_has_api(&mvm->fw->ucode_capa, 728 IWL_UCODE_TLV_API_REDUCE_TX_POWER)) { 729 len = sizeof(cmd.v5); 730 n_subbands = IWL_NUM_SUB_BANDS_V1; 731 per_chain = cmd.v5.per_chain[0][0]; 732 } else if (fw_has_capa(&mvm->fw->ucode_capa, 733 IWL_UCODE_TLV_CAPA_TX_POWER_ACK)) { 734 len = sizeof(cmd.v4); 735 n_subbands = IWL_NUM_SUB_BANDS_V1; 736 per_chain = cmd.v4.per_chain[0][0]; 737 } else { 738 len = sizeof(cmd.v3); 739 n_subbands = IWL_NUM_SUB_BANDS_V1; 740 per_chain = cmd.v3.per_chain[0][0]; 741 } 742 743 /* all structs have the same common part, add it */ 744 len += sizeof(cmd.common); 745 746 ret = iwl_sar_select_profile(&mvm->fwrt, per_chain, ACPI_SAR_NUM_TABLES, 747 n_subbands, prof_a, prof_b); 748 749 /* return on error or if the profile is disabled (positive number) */ 750 if (ret) 751 return ret; 752 753 IWL_DEBUG_RADIO(mvm, "Sending REDUCE_TX_POWER_CMD per chain\n"); 754 return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0, len, &cmd); 755 } 756 757 int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm) 758 { 759 union iwl_geo_tx_power_profiles_cmd geo_tx_cmd; 760 struct iwl_geo_tx_power_profiles_resp *resp; 761 u16 len; 762 int ret; 763 struct iwl_host_cmd cmd; 764 u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, PHY_OPS_GROUP, 765 GEO_TX_POWER_LIMIT, 766 IWL_FW_CMD_VER_UNKNOWN); 767 768 /* the ops field is at the same spot for all versions, so set in v1 */ 769 geo_tx_cmd.v1.ops = 770 cpu_to_le32(IWL_PER_CHAIN_OFFSET_GET_CURRENT_TABLE); 771 772 if (cmd_ver == 3) 773 len = sizeof(geo_tx_cmd.v3); 774 else if (fw_has_api(&mvm->fwrt.fw->ucode_capa, 775 IWL_UCODE_TLV_API_SAR_TABLE_VER)) 776 len = sizeof(geo_tx_cmd.v2); 777 else 778 len = sizeof(geo_tx_cmd.v1); 779 780 if (!iwl_sar_geo_support(&mvm->fwrt)) 781 return -EOPNOTSUPP; 782 783 cmd = (struct iwl_host_cmd){ 784 .id = WIDE_ID(PHY_OPS_GROUP, GEO_TX_POWER_LIMIT), 785 .len = { len, }, 786 .flags = CMD_WANT_SKB, 787 .data = { &geo_tx_cmd }, 788 }; 789 790 ret = iwl_mvm_send_cmd(mvm, &cmd); 791 if (ret) { 792 IWL_ERR(mvm, "Failed to get geographic profile info %d\n", ret); 793 return ret; 794 } 795 796 resp = (void *)cmd.resp_pkt->data; 797 ret = le32_to_cpu(resp->profile_idx); 798 799 if (WARN_ON(ret > ACPI_NUM_GEO_PROFILES)) 800 ret = -EIO; 801 802 iwl_free_resp(&cmd); 803 return ret; 804 } 805 806 static int iwl_mvm_sar_geo_init(struct iwl_mvm *mvm) 807 { 808 union iwl_geo_tx_power_profiles_cmd cmd; 809 u16 len; 810 u32 n_bands; 811 int ret; 812 u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, PHY_OPS_GROUP, 813 GEO_TX_POWER_LIMIT, 814 IWL_FW_CMD_VER_UNKNOWN); 815 816 BUILD_BUG_ON(offsetof(struct iwl_geo_tx_power_profiles_cmd_v1, ops) != 817 offsetof(struct iwl_geo_tx_power_profiles_cmd_v2, ops) || 818 offsetof(struct iwl_geo_tx_power_profiles_cmd_v2, ops) != 819 offsetof(struct iwl_geo_tx_power_profiles_cmd_v3, ops)); 820 /* the ops field is at the same spot for all versions, so set in v1 */ 821 cmd.v1.ops = cpu_to_le32(IWL_PER_CHAIN_OFFSET_SET_TABLES); 822 823 if (cmd_ver == 3) { 824 len = sizeof(cmd.v3); 825 n_bands = ARRAY_SIZE(cmd.v3.table[0]); 826 } else if (fw_has_api(&mvm->fwrt.fw->ucode_capa, 827 IWL_UCODE_TLV_API_SAR_TABLE_VER)) { 828 len = sizeof(cmd.v2); 829 n_bands = ARRAY_SIZE(cmd.v2.table[0]); 830 } else { 831 len = sizeof(cmd.v1); 832 n_bands = ARRAY_SIZE(cmd.v1.table[0]); 833 } 834 835 BUILD_BUG_ON(offsetof(struct iwl_geo_tx_power_profiles_cmd_v1, table) != 836 offsetof(struct iwl_geo_tx_power_profiles_cmd_v2, table) || 837 offsetof(struct iwl_geo_tx_power_profiles_cmd_v2, table) != 838 offsetof(struct iwl_geo_tx_power_profiles_cmd_v3, table)); 839 /* the table is at the same position for all versions, so set use v1 */ 840 ret = iwl_sar_geo_init(&mvm->fwrt, &cmd.v1.table[0][0], n_bands); 841 842 /* 843 * It is a valid scenario to not support SAR, or miss wgds table, 844 * but in that case there is no need to send the command. 845 */ 846 if (ret) 847 return 0; 848 849 /* 850 * Set the revision on versions that contain it. 851 * This must be done after calling iwl_sar_geo_init(). 852 */ 853 if (cmd_ver == 3) 854 cmd.v3.table_revision = cpu_to_le32(mvm->fwrt.geo_rev); 855 else if (fw_has_api(&mvm->fwrt.fw->ucode_capa, 856 IWL_UCODE_TLV_API_SAR_TABLE_VER)) 857 cmd.v2.table_revision = cpu_to_le32(mvm->fwrt.geo_rev); 858 859 return iwl_mvm_send_cmd_pdu(mvm, 860 WIDE_ID(PHY_OPS_GROUP, GEO_TX_POWER_LIMIT), 861 0, len, &cmd); 862 } 863 864 static int iwl_mvm_get_ppag_table(struct iwl_mvm *mvm) 865 { 866 union acpi_object *wifi_pkg, *data, *flags; 867 int i, j, ret, tbl_rev, num_sub_bands; 868 int idx = 2; 869 s8 *gain; 870 871 /* 872 * The 'flags' field is the same in v1 and in v2 so we can just 873 * use v1 to access it. 874 */ 875 mvm->fwrt.ppag_table.v1.flags = cpu_to_le32(0); 876 877 data = iwl_acpi_get_object(mvm->dev, ACPI_PPAG_METHOD); 878 if (IS_ERR(data)) 879 return PTR_ERR(data); 880 881 /* try to read ppag table rev 2 or 1 (both have the same data size) */ 882 wifi_pkg = iwl_acpi_get_wifi_pkg(mvm->dev, data, 883 ACPI_PPAG_WIFI_DATA_SIZE_V2, &tbl_rev); 884 if (!IS_ERR(wifi_pkg)) { 885 if (tbl_rev == 1 || tbl_rev == 2) { 886 num_sub_bands = IWL_NUM_SUB_BANDS_V2; 887 gain = mvm->fwrt.ppag_table.v2.gain[0]; 888 mvm->fwrt.ppag_ver = tbl_rev; 889 IWL_DEBUG_RADIO(mvm, 890 "Reading PPAG table v2 (tbl_rev=%d)\n", 891 tbl_rev); 892 goto read_table; 893 } else { 894 ret = -EINVAL; 895 goto out_free; 896 } 897 } 898 899 /* try to read ppag table revision 0 */ 900 wifi_pkg = iwl_acpi_get_wifi_pkg(mvm->dev, data, 901 ACPI_PPAG_WIFI_DATA_SIZE_V1, &tbl_rev); 902 if (!IS_ERR(wifi_pkg)) { 903 if (tbl_rev != 0) { 904 ret = -EINVAL; 905 goto out_free; 906 } 907 num_sub_bands = IWL_NUM_SUB_BANDS_V1; 908 gain = mvm->fwrt.ppag_table.v1.gain[0]; 909 mvm->fwrt.ppag_ver = 0; 910 IWL_DEBUG_RADIO(mvm, "Reading PPAG table v1 (tbl_rev=0)\n"); 911 goto read_table; 912 } 913 ret = PTR_ERR(wifi_pkg); 914 goto out_free; 915 916 read_table: 917 flags = &wifi_pkg->package.elements[1]; 918 919 if (flags->type != ACPI_TYPE_INTEGER) { 920 ret = -EINVAL; 921 goto out_free; 922 } 923 924 mvm->fwrt.ppag_table.v1.flags = cpu_to_le32(flags->integer.value & 925 IWL_PPAG_MASK); 926 927 if (!mvm->fwrt.ppag_table.v1.flags) { 928 ret = 0; 929 goto out_free; 930 } 931 932 /* 933 * read, verify gain values and save them into the PPAG table. 934 * first sub-band (j=0) corresponds to Low-Band (2.4GHz), and the 935 * following sub-bands to High-Band (5GHz). 936 */ 937 for (i = 0; i < IWL_NUM_CHAIN_LIMITS; i++) { 938 for (j = 0; j < num_sub_bands; j++) { 939 union acpi_object *ent; 940 941 ent = &wifi_pkg->package.elements[idx++]; 942 if (ent->type != ACPI_TYPE_INTEGER) { 943 ret = -EINVAL; 944 goto out_free; 945 } 946 947 gain[i * num_sub_bands + j] = ent->integer.value; 948 949 if ((j == 0 && 950 (gain[i * num_sub_bands + j] > ACPI_PPAG_MAX_LB || 951 gain[i * num_sub_bands + j] < ACPI_PPAG_MIN_LB)) || 952 (j != 0 && 953 (gain[i * num_sub_bands + j] > ACPI_PPAG_MAX_HB || 954 gain[i * num_sub_bands + j] < ACPI_PPAG_MIN_HB))) { 955 mvm->fwrt.ppag_table.v1.flags = cpu_to_le32(0); 956 ret = -EINVAL; 957 goto out_free; 958 } 959 } 960 } 961 962 ret = 0; 963 out_free: 964 kfree(data); 965 return ret; 966 } 967 968 int iwl_mvm_ppag_send_cmd(struct iwl_mvm *mvm) 969 { 970 u8 cmd_ver; 971 int i, j, ret, num_sub_bands, cmd_size; 972 s8 *gain; 973 974 if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_SET_PPAG)) { 975 IWL_DEBUG_RADIO(mvm, 976 "PPAG capability not supported by FW, command not sent.\n"); 977 return 0; 978 } 979 if (!mvm->fwrt.ppag_table.v1.flags) { 980 IWL_DEBUG_RADIO(mvm, "PPAG not enabled, command not sent.\n"); 981 return 0; 982 } 983 984 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, PHY_OPS_GROUP, 985 PER_PLATFORM_ANT_GAIN_CMD, 986 IWL_FW_CMD_VER_UNKNOWN); 987 if (cmd_ver == 1) { 988 num_sub_bands = IWL_NUM_SUB_BANDS_V1; 989 gain = mvm->fwrt.ppag_table.v1.gain[0]; 990 cmd_size = sizeof(mvm->fwrt.ppag_table.v1); 991 if (mvm->fwrt.ppag_ver == 1 || mvm->fwrt.ppag_ver == 2) { 992 IWL_DEBUG_RADIO(mvm, 993 "PPAG table rev is %d but FW supports v1, sending truncated table\n", 994 mvm->fwrt.ppag_ver); 995 mvm->fwrt.ppag_table.v1.flags &= 996 cpu_to_le32(IWL_PPAG_ETSI_MASK); 997 } 998 } else if (cmd_ver == 2 || cmd_ver == 3) { 999 num_sub_bands = IWL_NUM_SUB_BANDS_V2; 1000 gain = mvm->fwrt.ppag_table.v2.gain[0]; 1001 cmd_size = sizeof(mvm->fwrt.ppag_table.v2); 1002 if (mvm->fwrt.ppag_ver == 0) { 1003 IWL_DEBUG_RADIO(mvm, 1004 "PPAG table is v1 but FW supports v2, sending padded table\n"); 1005 } else if (cmd_ver == 2 && mvm->fwrt.ppag_ver == 2) { 1006 IWL_DEBUG_RADIO(mvm, 1007 "PPAG table is v3 but FW supports v2, sending partial bitmap.\n"); 1008 mvm->fwrt.ppag_table.v1.flags &= 1009 cpu_to_le32(IWL_PPAG_ETSI_MASK); 1010 } 1011 } else { 1012 IWL_DEBUG_RADIO(mvm, "Unsupported PPAG command version\n"); 1013 return 0; 1014 } 1015 1016 for (i = 0; i < IWL_NUM_CHAIN_LIMITS; i++) { 1017 for (j = 0; j < num_sub_bands; j++) { 1018 IWL_DEBUG_RADIO(mvm, 1019 "PPAG table: chain[%d] band[%d]: gain = %d\n", 1020 i, j, gain[i * num_sub_bands + j]); 1021 } 1022 } 1023 IWL_DEBUG_RADIO(mvm, "Sending PER_PLATFORM_ANT_GAIN_CMD\n"); 1024 ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(PHY_OPS_GROUP, 1025 PER_PLATFORM_ANT_GAIN_CMD), 1026 0, cmd_size, &mvm->fwrt.ppag_table); 1027 if (ret < 0) 1028 IWL_ERR(mvm, "failed to send PER_PLATFORM_ANT_GAIN_CMD (%d)\n", 1029 ret); 1030 1031 return ret; 1032 } 1033 1034 static const struct dmi_system_id dmi_ppag_approved_list[] = { 1035 { .ident = "HP", 1036 .matches = { 1037 DMI_MATCH(DMI_SYS_VENDOR, "HP"), 1038 }, 1039 }, 1040 { .ident = "SAMSUNG", 1041 .matches = { 1042 DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD"), 1043 }, 1044 }, 1045 { .ident = "MSFT", 1046 .matches = { 1047 DMI_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"), 1048 }, 1049 }, 1050 { .ident = "ASUS", 1051 .matches = { 1052 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTek COMPUTER INC."), 1053 }, 1054 }, 1055 {} 1056 }; 1057 1058 static int iwl_mvm_ppag_init(struct iwl_mvm *mvm) 1059 { 1060 int ret; 1061 1062 ret = iwl_mvm_get_ppag_table(mvm); 1063 if (ret < 0) { 1064 IWL_DEBUG_RADIO(mvm, 1065 "PPAG BIOS table invalid or unavailable. (%d)\n", 1066 ret); 1067 return 0; 1068 } 1069 1070 if (!dmi_check_system(dmi_ppag_approved_list)) { 1071 IWL_DEBUG_RADIO(mvm, 1072 "System vendor '%s' is not in the approved list, disabling PPAG.\n", 1073 dmi_get_system_info(DMI_SYS_VENDOR)); 1074 mvm->fwrt.ppag_table.v1.flags = cpu_to_le32(0); 1075 return 0; 1076 } 1077 1078 return iwl_mvm_ppag_send_cmd(mvm); 1079 } 1080 1081 static void iwl_mvm_tas_init(struct iwl_mvm *mvm) 1082 { 1083 int ret; 1084 struct iwl_tas_config_cmd cmd = {}; 1085 int list_size; 1086 1087 BUILD_BUG_ON(ARRAY_SIZE(cmd.block_list_array) < 1088 APCI_WTAS_BLACK_LIST_MAX); 1089 1090 if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TAS_CFG)) { 1091 IWL_DEBUG_RADIO(mvm, "TAS not enabled in FW\n"); 1092 return; 1093 } 1094 1095 ret = iwl_acpi_get_tas(&mvm->fwrt, cmd.block_list_array, &list_size); 1096 if (ret < 0) { 1097 IWL_DEBUG_RADIO(mvm, 1098 "TAS table invalid or unavailable. (%d)\n", 1099 ret); 1100 return; 1101 } 1102 1103 if (list_size < 0) 1104 return; 1105 1106 /* list size if TAS enabled can only be non-negative */ 1107 cmd.block_list_size = cpu_to_le32((u32)list_size); 1108 1109 ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(REGULATORY_AND_NVM_GROUP, 1110 TAS_CONFIG), 1111 0, sizeof(cmd), &cmd); 1112 if (ret < 0) 1113 IWL_DEBUG_RADIO(mvm, "failed to send TAS_CONFIG (%d)\n", ret); 1114 } 1115 1116 static u8 iwl_mvm_eval_dsm_rfi(struct iwl_mvm *mvm) 1117 { 1118 u8 value; 1119 int ret = iwl_acpi_get_dsm_u8((&mvm->fwrt)->dev, 0, DSM_RFI_FUNC_ENABLE, 1120 &iwl_rfi_guid, &value); 1121 1122 if (ret < 0) { 1123 IWL_DEBUG_RADIO(mvm, "Failed to get DSM RFI, ret=%d\n", ret); 1124 1125 } else if (value >= DSM_VALUE_RFI_MAX) { 1126 IWL_DEBUG_RADIO(mvm, "DSM RFI got invalid value, ret=%d\n", 1127 value); 1128 1129 } else if (value == DSM_VALUE_RFI_ENABLE) { 1130 IWL_DEBUG_RADIO(mvm, "DSM RFI is evaluated to enable\n"); 1131 return DSM_VALUE_RFI_ENABLE; 1132 } 1133 1134 IWL_DEBUG_RADIO(mvm, "DSM RFI is disabled\n"); 1135 1136 /* default behaviour is disabled */ 1137 return DSM_VALUE_RFI_DISABLE; 1138 } 1139 1140 static void iwl_mvm_lari_cfg(struct iwl_mvm *mvm) 1141 { 1142 int cmd_ret; 1143 struct iwl_lari_config_change_cmd_v3 cmd = {}; 1144 1145 cmd.config_bitmap = iwl_acpi_get_lari_config_bitmap(&mvm->fwrt); 1146 1147 /* apply more config masks here */ 1148 1149 if (cmd.config_bitmap) { 1150 size_t cmd_size; 1151 u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, 1152 REGULATORY_AND_NVM_GROUP, 1153 LARI_CONFIG_CHANGE, 1); 1154 if (cmd_ver == 3) 1155 cmd_size = sizeof(struct iwl_lari_config_change_cmd_v3); 1156 else if (cmd_ver == 2) 1157 cmd_size = sizeof(struct iwl_lari_config_change_cmd_v2); 1158 else 1159 cmd_size = sizeof(struct iwl_lari_config_change_cmd_v1); 1160 1161 IWL_DEBUG_RADIO(mvm, 1162 "sending LARI_CONFIG_CHANGE, config_bitmap=0x%x\n", 1163 le32_to_cpu(cmd.config_bitmap)); 1164 cmd_ret = iwl_mvm_send_cmd_pdu(mvm, 1165 WIDE_ID(REGULATORY_AND_NVM_GROUP, 1166 LARI_CONFIG_CHANGE), 1167 0, cmd_size, &cmd); 1168 if (cmd_ret < 0) 1169 IWL_DEBUG_RADIO(mvm, 1170 "Failed to send LARI_CONFIG_CHANGE (%d)\n", 1171 cmd_ret); 1172 } 1173 } 1174 #else /* CONFIG_ACPI */ 1175 1176 inline int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, 1177 int prof_a, int prof_b) 1178 { 1179 return -ENOENT; 1180 } 1181 1182 inline int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm) 1183 { 1184 return -ENOENT; 1185 } 1186 1187 static int iwl_mvm_sar_geo_init(struct iwl_mvm *mvm) 1188 { 1189 return 0; 1190 } 1191 1192 int iwl_mvm_ppag_send_cmd(struct iwl_mvm *mvm) 1193 { 1194 return -ENOENT; 1195 } 1196 1197 static int iwl_mvm_ppag_init(struct iwl_mvm *mvm) 1198 { 1199 return 0; 1200 } 1201 1202 static void iwl_mvm_tas_init(struct iwl_mvm *mvm) 1203 { 1204 } 1205 1206 static void iwl_mvm_lari_cfg(struct iwl_mvm *mvm) 1207 { 1208 } 1209 1210 static u8 iwl_mvm_eval_dsm_rfi(struct iwl_mvm *mvm) 1211 { 1212 return DSM_VALUE_RFI_DISABLE; 1213 } 1214 #endif /* CONFIG_ACPI */ 1215 1216 void iwl_mvm_send_recovery_cmd(struct iwl_mvm *mvm, u32 flags) 1217 { 1218 u32 error_log_size = mvm->fw->ucode_capa.error_log_size; 1219 int ret; 1220 u32 resp; 1221 1222 struct iwl_fw_error_recovery_cmd recovery_cmd = { 1223 .flags = cpu_to_le32(flags), 1224 .buf_size = 0, 1225 }; 1226 struct iwl_host_cmd host_cmd = { 1227 .id = WIDE_ID(SYSTEM_GROUP, FW_ERROR_RECOVERY_CMD), 1228 .flags = CMD_WANT_SKB, 1229 .data = {&recovery_cmd, }, 1230 .len = {sizeof(recovery_cmd), }, 1231 }; 1232 1233 /* no error log was defined in TLV */ 1234 if (!error_log_size) 1235 return; 1236 1237 if (flags & ERROR_RECOVERY_UPDATE_DB) { 1238 /* no buf was allocated while HW reset */ 1239 if (!mvm->error_recovery_buf) 1240 return; 1241 1242 host_cmd.data[1] = mvm->error_recovery_buf; 1243 host_cmd.len[1] = error_log_size; 1244 host_cmd.dataflags[1] = IWL_HCMD_DFL_NOCOPY; 1245 recovery_cmd.buf_size = cpu_to_le32(error_log_size); 1246 } 1247 1248 ret = iwl_mvm_send_cmd(mvm, &host_cmd); 1249 kfree(mvm->error_recovery_buf); 1250 mvm->error_recovery_buf = NULL; 1251 1252 if (ret) { 1253 IWL_ERR(mvm, "Failed to send recovery cmd %d\n", ret); 1254 return; 1255 } 1256 1257 /* skb respond is only relevant in ERROR_RECOVERY_UPDATE_DB */ 1258 if (flags & ERROR_RECOVERY_UPDATE_DB) { 1259 resp = le32_to_cpu(*(__le32 *)host_cmd.resp_pkt->data); 1260 if (resp) 1261 IWL_ERR(mvm, 1262 "Failed to send recovery cmd blob was invalid %d\n", 1263 resp); 1264 } 1265 } 1266 1267 static int iwl_mvm_sar_init(struct iwl_mvm *mvm) 1268 { 1269 int ret; 1270 1271 ret = iwl_sar_get_wrds_table(&mvm->fwrt); 1272 if (ret < 0) { 1273 IWL_DEBUG_RADIO(mvm, 1274 "WRDS SAR BIOS table invalid or unavailable. (%d)\n", 1275 ret); 1276 /* 1277 * If not available, don't fail and don't bother with EWRD. 1278 * Return 1 to tell that we can't use WGDS either. 1279 */ 1280 return 1; 1281 } 1282 1283 ret = iwl_sar_get_ewrd_table(&mvm->fwrt); 1284 /* if EWRD is not available, we can still use WRDS, so don't fail */ 1285 if (ret < 0) 1286 IWL_DEBUG_RADIO(mvm, 1287 "EWRD SAR BIOS table invalid or unavailable. (%d)\n", 1288 ret); 1289 1290 return iwl_mvm_sar_select_profile(mvm, 1, 1); 1291 } 1292 1293 static int iwl_mvm_load_rt_fw(struct iwl_mvm *mvm) 1294 { 1295 int ret; 1296 1297 if (iwl_mvm_has_unified_ucode(mvm)) 1298 return iwl_run_unified_mvm_ucode(mvm); 1299 1300 WARN_ON(!mvm->nvm_data); 1301 ret = iwl_run_init_mvm_ucode(mvm); 1302 1303 if (ret) { 1304 IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", ret); 1305 1306 if (iwlmvm_mod_params.init_dbg) 1307 return 0; 1308 return ret; 1309 } 1310 1311 iwl_fw_dbg_stop_sync(&mvm->fwrt); 1312 iwl_trans_stop_device(mvm->trans); 1313 ret = iwl_trans_start_hw(mvm->trans); 1314 if (ret) 1315 return ret; 1316 1317 mvm->rfkill_safe_init_done = false; 1318 ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_REGULAR); 1319 if (ret) 1320 return ret; 1321 1322 mvm->rfkill_safe_init_done = true; 1323 1324 iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_AFTER_ALIVE, 1325 NULL); 1326 1327 return iwl_init_paging(&mvm->fwrt, mvm->fwrt.cur_fw_img); 1328 } 1329 1330 int iwl_mvm_up(struct iwl_mvm *mvm) 1331 { 1332 int ret, i; 1333 struct ieee80211_channel *chan; 1334 struct cfg80211_chan_def chandef; 1335 struct ieee80211_supported_band *sband = NULL; 1336 1337 lockdep_assert_held(&mvm->mutex); 1338 1339 ret = iwl_trans_start_hw(mvm->trans); 1340 if (ret) 1341 return ret; 1342 1343 ret = iwl_mvm_load_rt_fw(mvm); 1344 if (ret) { 1345 IWL_ERR(mvm, "Failed to start RT ucode: %d\n", ret); 1346 if (ret != -ERFKILL) 1347 iwl_fw_dbg_error_collect(&mvm->fwrt, 1348 FW_DBG_TRIGGER_DRIVER); 1349 goto error; 1350 } 1351 1352 iwl_get_shared_mem_conf(&mvm->fwrt); 1353 1354 ret = iwl_mvm_sf_update(mvm, NULL, false); 1355 if (ret) 1356 IWL_ERR(mvm, "Failed to initialize Smart Fifo\n"); 1357 1358 if (!iwl_trans_dbg_ini_valid(mvm->trans)) { 1359 mvm->fwrt.dump.conf = FW_DBG_INVALID; 1360 /* if we have a destination, assume EARLY START */ 1361 if (mvm->fw->dbg.dest_tlv) 1362 mvm->fwrt.dump.conf = FW_DBG_START_FROM_ALIVE; 1363 iwl_fw_start_dbg_conf(&mvm->fwrt, FW_DBG_START_FROM_ALIVE); 1364 } 1365 1366 ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm)); 1367 if (ret) 1368 goto error; 1369 1370 if (!iwl_mvm_has_unified_ucode(mvm)) { 1371 /* Send phy db control command and then phy db calibration */ 1372 ret = iwl_send_phy_db_data(mvm->phy_db); 1373 if (ret) 1374 goto error; 1375 } 1376 1377 ret = iwl_send_phy_cfg_cmd(mvm); 1378 if (ret) 1379 goto error; 1380 1381 ret = iwl_mvm_send_bt_init_conf(mvm); 1382 if (ret) 1383 goto error; 1384 1385 if (fw_has_capa(&mvm->fw->ucode_capa, 1386 IWL_UCODE_TLV_CAPA_SOC_LATENCY_SUPPORT)) { 1387 ret = iwl_set_soc_latency(&mvm->fwrt); 1388 if (ret) 1389 goto error; 1390 } 1391 1392 /* Init RSS configuration */ 1393 ret = iwl_configure_rxq(&mvm->fwrt); 1394 if (ret) 1395 goto error; 1396 1397 if (iwl_mvm_has_new_rx_api(mvm)) { 1398 ret = iwl_send_rss_cfg_cmd(mvm); 1399 if (ret) { 1400 IWL_ERR(mvm, "Failed to configure RSS queues: %d\n", 1401 ret); 1402 goto error; 1403 } 1404 } 1405 1406 /* init the fw <-> mac80211 STA mapping */ 1407 for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++) 1408 RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL); 1409 1410 mvm->tdls_cs.peer.sta_id = IWL_MVM_INVALID_STA; 1411 1412 /* reset quota debouncing buffer - 0xff will yield invalid data */ 1413 memset(&mvm->last_quota_cmd, 0xff, sizeof(mvm->last_quota_cmd)); 1414 1415 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_DQA_SUPPORT)) { 1416 ret = iwl_mvm_send_dqa_cmd(mvm); 1417 if (ret) 1418 goto error; 1419 } 1420 1421 /* 1422 * Add auxiliary station for scanning. 1423 * Newer versions of this command implies that the fw uses 1424 * internal aux station for all aux activities that don't 1425 * requires a dedicated data queue. 1426 */ 1427 if (iwl_fw_lookup_cmd_ver(mvm->fw, LONG_GROUP, 1428 ADD_STA, 1429 0) < 12) { 1430 /* 1431 * In old version the aux station uses mac id like other 1432 * station and not lmac id 1433 */ 1434 ret = iwl_mvm_add_aux_sta(mvm, MAC_INDEX_AUX); 1435 if (ret) 1436 goto error; 1437 } 1438 1439 /* Add all the PHY contexts */ 1440 i = 0; 1441 while (!sband && i < NUM_NL80211_BANDS) 1442 sband = mvm->hw->wiphy->bands[i++]; 1443 1444 if (WARN_ON_ONCE(!sband)) 1445 goto error; 1446 1447 chan = &sband->channels[0]; 1448 1449 cfg80211_chandef_create(&chandef, chan, NL80211_CHAN_NO_HT); 1450 for (i = 0; i < NUM_PHY_CTX; i++) { 1451 /* 1452 * The channel used here isn't relevant as it's 1453 * going to be overwritten in the other flows. 1454 * For now use the first channel we have. 1455 */ 1456 ret = iwl_mvm_phy_ctxt_add(mvm, &mvm->phy_ctxts[i], 1457 &chandef, 1, 1); 1458 if (ret) 1459 goto error; 1460 } 1461 1462 if (iwl_mvm_is_tt_in_fw(mvm)) { 1463 /* in order to give the responsibility of ct-kill and 1464 * TX backoff to FW we need to send empty temperature reporting 1465 * cmd during init time 1466 */ 1467 iwl_mvm_send_temp_report_ths_cmd(mvm); 1468 } else { 1469 /* Initialize tx backoffs to the minimal possible */ 1470 iwl_mvm_tt_tx_backoff(mvm, 0); 1471 } 1472 1473 #ifdef CONFIG_THERMAL 1474 /* TODO: read the budget from BIOS / Platform NVM */ 1475 1476 /* 1477 * In case there is no budget from BIOS / Platform NVM the default 1478 * budget should be 2000mW (cooling state 0). 1479 */ 1480 if (iwl_mvm_is_ctdp_supported(mvm)) { 1481 ret = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_START, 1482 mvm->cooling_dev.cur_state); 1483 if (ret) 1484 goto error; 1485 } 1486 #endif 1487 1488 if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_SET_LTR_GEN2)) 1489 WARN_ON(iwl_mvm_config_ltr(mvm)); 1490 1491 ret = iwl_mvm_power_update_device(mvm); 1492 if (ret) 1493 goto error; 1494 1495 iwl_mvm_lari_cfg(mvm); 1496 /* 1497 * RTNL is not taken during Ct-kill, but we don't need to scan/Tx 1498 * anyway, so don't init MCC. 1499 */ 1500 if (!test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status)) { 1501 ret = iwl_mvm_init_mcc(mvm); 1502 if (ret) 1503 goto error; 1504 } 1505 1506 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) { 1507 mvm->scan_type = IWL_SCAN_TYPE_NOT_SET; 1508 mvm->hb_scan_type = IWL_SCAN_TYPE_NOT_SET; 1509 ret = iwl_mvm_config_scan(mvm); 1510 if (ret) 1511 goto error; 1512 } 1513 1514 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1515 iwl_mvm_send_recovery_cmd(mvm, ERROR_RECOVERY_UPDATE_DB); 1516 1517 if (iwl_acpi_get_eckv(mvm->dev, &mvm->ext_clock_valid)) 1518 IWL_DEBUG_INFO(mvm, "ECKV table doesn't exist in BIOS\n"); 1519 1520 ret = iwl_mvm_ppag_init(mvm); 1521 if (ret) 1522 goto error; 1523 1524 ret = iwl_mvm_sar_init(mvm); 1525 if (ret == 0) { 1526 ret = iwl_mvm_sar_geo_init(mvm); 1527 } else if (ret == -ENOENT && !iwl_sar_get_wgds_table(&mvm->fwrt)) { 1528 /* 1529 * If basic SAR is not available, we check for WGDS, 1530 * which should *not* be available either. If it is 1531 * available, issue an error, because we can't use SAR 1532 * Geo without basic SAR. 1533 */ 1534 IWL_ERR(mvm, "BIOS contains WGDS but no WRDS\n"); 1535 } 1536 1537 if (ret < 0) 1538 goto error; 1539 1540 iwl_mvm_tas_init(mvm); 1541 iwl_mvm_leds_sync(mvm); 1542 1543 iwl_mvm_ftm_initiator_smooth_config(mvm); 1544 1545 if (fw_has_capa(&mvm->fw->ucode_capa, 1546 IWL_UCODE_TLV_CAPA_RFIM_SUPPORT)) { 1547 if (iwl_mvm_eval_dsm_rfi(mvm) == DSM_VALUE_RFI_ENABLE) 1548 iwl_rfi_send_config_cmd(mvm, NULL); 1549 } 1550 1551 IWL_DEBUG_INFO(mvm, "RT uCode started.\n"); 1552 return 0; 1553 error: 1554 if (!iwlmvm_mod_params.init_dbg || !ret) 1555 iwl_mvm_stop_device(mvm); 1556 return ret; 1557 } 1558 1559 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm) 1560 { 1561 int ret, i; 1562 1563 lockdep_assert_held(&mvm->mutex); 1564 1565 ret = iwl_trans_start_hw(mvm->trans); 1566 if (ret) 1567 return ret; 1568 1569 ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_WOWLAN); 1570 if (ret) { 1571 IWL_ERR(mvm, "Failed to start WoWLAN firmware: %d\n", ret); 1572 goto error; 1573 } 1574 1575 ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm)); 1576 if (ret) 1577 goto error; 1578 1579 /* Send phy db control command and then phy db calibration*/ 1580 ret = iwl_send_phy_db_data(mvm->phy_db); 1581 if (ret) 1582 goto error; 1583 1584 ret = iwl_send_phy_cfg_cmd(mvm); 1585 if (ret) 1586 goto error; 1587 1588 /* init the fw <-> mac80211 STA mapping */ 1589 for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++) 1590 RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL); 1591 1592 if (iwl_fw_lookup_cmd_ver(mvm->fw, LONG_GROUP, 1593 ADD_STA, 1594 0) < 12) { 1595 /* 1596 * Add auxiliary station for scanning. 1597 * Newer versions of this command implies that the fw uses 1598 * internal aux station for all aux activities that don't 1599 * requires a dedicated data queue. 1600 * In old version the aux station uses mac id like other 1601 * station and not lmac id 1602 */ 1603 ret = iwl_mvm_add_aux_sta(mvm, MAC_INDEX_AUX); 1604 if (ret) 1605 goto error; 1606 } 1607 1608 return 0; 1609 error: 1610 iwl_mvm_stop_device(mvm); 1611 return ret; 1612 } 1613 1614 void iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm, 1615 struct iwl_rx_cmd_buffer *rxb) 1616 { 1617 struct iwl_rx_packet *pkt = rxb_addr(rxb); 1618 struct iwl_card_state_notif *card_state_notif = (void *)pkt->data; 1619 u32 flags = le32_to_cpu(card_state_notif->flags); 1620 1621 IWL_DEBUG_RF_KILL(mvm, "Card state received: HW:%s SW:%s CT:%s\n", 1622 (flags & HW_CARD_DISABLED) ? "Kill" : "On", 1623 (flags & SW_CARD_DISABLED) ? "Kill" : "On", 1624 (flags & CT_KILL_CARD_DISABLED) ? 1625 "Reached" : "Not reached"); 1626 } 1627 1628 void iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm, 1629 struct iwl_rx_cmd_buffer *rxb) 1630 { 1631 struct iwl_rx_packet *pkt = rxb_addr(rxb); 1632 struct iwl_mfuart_load_notif *mfuart_notif = (void *)pkt->data; 1633 1634 IWL_DEBUG_INFO(mvm, 1635 "MFUART: installed ver: 0x%08x, external ver: 0x%08x, status: 0x%08x, duration: 0x%08x\n", 1636 le32_to_cpu(mfuart_notif->installed_ver), 1637 le32_to_cpu(mfuart_notif->external_ver), 1638 le32_to_cpu(mfuart_notif->status), 1639 le32_to_cpu(mfuart_notif->duration)); 1640 1641 if (iwl_rx_packet_payload_len(pkt) == sizeof(*mfuart_notif)) 1642 IWL_DEBUG_INFO(mvm, 1643 "MFUART: image size: 0x%08x\n", 1644 le32_to_cpu(mfuart_notif->image_size)); 1645 } 1646