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 * 11 * This program is free software; you can redistribute it and/or modify 12 * it under the terms of version 2 of the GNU General Public License as 13 * published by the Free Software Foundation. 14 * 15 * This program is distributed in the hope that it will be useful, but 16 * WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 18 * General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public License 21 * along with this program; if not, write to the Free Software 22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, 23 * USA 24 * 25 * The full GNU General Public License is included in this distribution 26 * in the file called COPYING. 27 * 28 * Contact Information: 29 * Intel Linux Wireless <ilw@linux.intel.com> 30 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 31 * 32 * BSD LICENSE 33 * 34 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. 35 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH 36 * All rights reserved. 37 * 38 * Redistribution and use in source and binary forms, with or without 39 * modification, are permitted provided that the following conditions 40 * are met: 41 * 42 * * Redistributions of source code must retain the above copyright 43 * notice, this list of conditions and the following disclaimer. 44 * * Redistributions in binary form must reproduce the above copyright 45 * notice, this list of conditions and the following disclaimer in 46 * the documentation and/or other materials provided with the 47 * distribution. 48 * * Neither the name Intel Corporation nor the names of its 49 * contributors may be used to endorse or promote products derived 50 * from this software without specific prior written permission. 51 * 52 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 53 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 54 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 55 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 56 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 57 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 58 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 59 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 60 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 61 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 62 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 63 * 64 *****************************************************************************/ 65#include <net/mac80211.h> 66 67#include "iwl-trans.h" 68#include "iwl-op-mode.h" 69#include "iwl-fw.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 "iwl-eeprom-parse.h" 75 76#include "mvm.h" 77#include "iwl-phy-db.h" 78 79#define MVM_UCODE_ALIVE_TIMEOUT HZ 80#define MVM_UCODE_CALIB_TIMEOUT (2*HZ) 81 82#define UCODE_VALID_OK cpu_to_le32(0x1) 83 84struct iwl_mvm_alive_data { 85 bool valid; 86 u32 scd_base_addr; 87}; 88 89static inline const struct fw_img * 90iwl_get_ucode_image(struct iwl_mvm *mvm, enum iwl_ucode_type ucode_type) 91{ 92 if (ucode_type >= IWL_UCODE_TYPE_MAX) 93 return NULL; 94 95 return &mvm->fw->img[ucode_type]; 96} 97 98static int iwl_send_tx_ant_cfg(struct iwl_mvm *mvm, u8 valid_tx_ant) 99{ 100 struct iwl_tx_ant_cfg_cmd tx_ant_cmd = { 101 .valid = cpu_to_le32(valid_tx_ant), 102 }; 103 104 IWL_DEBUG_FW(mvm, "select valid tx ant: %u\n", valid_tx_ant); 105 return iwl_mvm_send_cmd_pdu(mvm, TX_ANT_CONFIGURATION_CMD, 0, 106 sizeof(tx_ant_cmd), &tx_ant_cmd); 107} 108 109static bool iwl_alive_fn(struct iwl_notif_wait_data *notif_wait, 110 struct iwl_rx_packet *pkt, void *data) 111{ 112 struct iwl_mvm *mvm = 113 container_of(notif_wait, struct iwl_mvm, notif_wait); 114 struct iwl_mvm_alive_data *alive_data = data; 115 struct mvm_alive_resp_ver1 *palive1; 116 struct mvm_alive_resp_ver2 *palive2; 117 struct mvm_alive_resp *palive; 118 119 if (iwl_rx_packet_payload_len(pkt) == sizeof(*palive1)) { 120 palive1 = (void *)pkt->data; 121 122 mvm->support_umac_log = false; 123 mvm->error_event_table = 124 le32_to_cpu(palive1->error_event_table_ptr); 125 mvm->log_event_table = 126 le32_to_cpu(palive1->log_event_table_ptr); 127 alive_data->scd_base_addr = le32_to_cpu(palive1->scd_base_ptr); 128 129 alive_data->valid = le16_to_cpu(palive1->status) == 130 IWL_ALIVE_STATUS_OK; 131 IWL_DEBUG_FW(mvm, 132 "Alive VER1 ucode status 0x%04x revision 0x%01X 0x%01X flags 0x%01X\n", 133 le16_to_cpu(palive1->status), palive1->ver_type, 134 palive1->ver_subtype, palive1->flags); 135 } else if (iwl_rx_packet_payload_len(pkt) == sizeof(*palive2)) { 136 palive2 = (void *)pkt->data; 137 138 mvm->error_event_table = 139 le32_to_cpu(palive2->error_event_table_ptr); 140 mvm->log_event_table = 141 le32_to_cpu(palive2->log_event_table_ptr); 142 alive_data->scd_base_addr = le32_to_cpu(palive2->scd_base_ptr); 143 mvm->umac_error_event_table = 144 le32_to_cpu(palive2->error_info_addr); 145 mvm->sf_space.addr = le32_to_cpu(palive2->st_fwrd_addr); 146 mvm->sf_space.size = le32_to_cpu(palive2->st_fwrd_size); 147 148 alive_data->valid = le16_to_cpu(palive2->status) == 149 IWL_ALIVE_STATUS_OK; 150 if (mvm->umac_error_event_table) 151 mvm->support_umac_log = true; 152 153 IWL_DEBUG_FW(mvm, 154 "Alive VER2 ucode status 0x%04x revision 0x%01X 0x%01X flags 0x%01X\n", 155 le16_to_cpu(palive2->status), palive2->ver_type, 156 palive2->ver_subtype, palive2->flags); 157 158 IWL_DEBUG_FW(mvm, 159 "UMAC version: Major - 0x%x, Minor - 0x%x\n", 160 palive2->umac_major, palive2->umac_minor); 161 } else if (iwl_rx_packet_payload_len(pkt) == sizeof(*palive)) { 162 palive = (void *)pkt->data; 163 164 mvm->error_event_table = 165 le32_to_cpu(palive->error_event_table_ptr); 166 mvm->log_event_table = 167 le32_to_cpu(palive->log_event_table_ptr); 168 alive_data->scd_base_addr = le32_to_cpu(palive->scd_base_ptr); 169 mvm->umac_error_event_table = 170 le32_to_cpu(palive->error_info_addr); 171 mvm->sf_space.addr = le32_to_cpu(palive->st_fwrd_addr); 172 mvm->sf_space.size = le32_to_cpu(palive->st_fwrd_size); 173 174 alive_data->valid = le16_to_cpu(palive->status) == 175 IWL_ALIVE_STATUS_OK; 176 if (mvm->umac_error_event_table) 177 mvm->support_umac_log = true; 178 179 IWL_DEBUG_FW(mvm, 180 "Alive VER3 ucode status 0x%04x revision 0x%01X 0x%01X flags 0x%01X\n", 181 le16_to_cpu(palive->status), palive->ver_type, 182 palive->ver_subtype, palive->flags); 183 184 IWL_DEBUG_FW(mvm, 185 "UMAC version: Major - 0x%x, Minor - 0x%x\n", 186 le32_to_cpu(palive->umac_major), 187 le32_to_cpu(palive->umac_minor)); 188 } 189 190 return true; 191} 192 193static bool iwl_wait_phy_db_entry(struct iwl_notif_wait_data *notif_wait, 194 struct iwl_rx_packet *pkt, void *data) 195{ 196 struct iwl_phy_db *phy_db = data; 197 198 if (pkt->hdr.cmd != CALIB_RES_NOTIF_PHY_DB) { 199 WARN_ON(pkt->hdr.cmd != INIT_COMPLETE_NOTIF); 200 return true; 201 } 202 203 WARN_ON(iwl_phy_db_set_section(phy_db, pkt, GFP_ATOMIC)); 204 205 return false; 206} 207 208static int iwl_mvm_load_ucode_wait_alive(struct iwl_mvm *mvm, 209 enum iwl_ucode_type ucode_type) 210{ 211 struct iwl_notification_wait alive_wait; 212 struct iwl_mvm_alive_data alive_data; 213 const struct fw_img *fw; 214 int ret, i; 215 enum iwl_ucode_type old_type = mvm->cur_ucode; 216 static const u8 alive_cmd[] = { MVM_ALIVE }; 217 struct iwl_sf_region st_fwrd_space; 218 219 if (ucode_type == IWL_UCODE_REGULAR && 220 iwl_fw_dbg_conf_usniffer(mvm->fw, FW_DBG_START_FROM_ALIVE)) 221 fw = iwl_get_ucode_image(mvm, IWL_UCODE_REGULAR_USNIFFER); 222 else 223 fw = iwl_get_ucode_image(mvm, ucode_type); 224 if (WARN_ON(!fw)) 225 return -EINVAL; 226 mvm->cur_ucode = ucode_type; 227 mvm->ucode_loaded = false; 228 229 iwl_init_notification_wait(&mvm->notif_wait, &alive_wait, 230 alive_cmd, ARRAY_SIZE(alive_cmd), 231 iwl_alive_fn, &alive_data); 232 233 ret = iwl_trans_start_fw(mvm->trans, fw, ucode_type == IWL_UCODE_INIT); 234 if (ret) { 235 mvm->cur_ucode = old_type; 236 iwl_remove_notification(&mvm->notif_wait, &alive_wait); 237 return ret; 238 } 239 240 /* 241 * Some things may run in the background now, but we 242 * just wait for the ALIVE notification here. 243 */ 244 ret = iwl_wait_notification(&mvm->notif_wait, &alive_wait, 245 MVM_UCODE_ALIVE_TIMEOUT); 246 if (ret) { 247 mvm->cur_ucode = old_type; 248 return ret; 249 } 250 251 if (!alive_data.valid) { 252 IWL_ERR(mvm, "Loaded ucode is not valid!\n"); 253 mvm->cur_ucode = old_type; 254 return -EIO; 255 } 256 257 /* 258 * update the sdio allocation according to the pointer we get in the 259 * alive notification. 260 */ 261 st_fwrd_space.addr = mvm->sf_space.addr; 262 st_fwrd_space.size = mvm->sf_space.size; 263 ret = iwl_trans_update_sf(mvm->trans, &st_fwrd_space); 264 if (ret) { 265 IWL_ERR(mvm, "Failed to update SF size. ret %d\n", ret); 266 return ret; 267 } 268 269 iwl_trans_fw_alive(mvm->trans, alive_data.scd_base_addr); 270 271 /* 272 * Note: all the queues are enabled as part of the interface 273 * initialization, but in firmware restart scenarios they 274 * could be stopped, so wake them up. In firmware restart, 275 * mac80211 will have the queues stopped as well until the 276 * reconfiguration completes. During normal startup, they 277 * will be empty. 278 */ 279 280 for (i = 0; i < IWL_MAX_HW_QUEUES; i++) { 281 if (i < mvm->first_agg_queue && i != IWL_MVM_CMD_QUEUE) 282 mvm->queue_to_mac80211[i] = i; 283 else 284 mvm->queue_to_mac80211[i] = IWL_INVALID_MAC80211_QUEUE; 285 } 286 287 for (i = 0; i < IEEE80211_MAX_QUEUES; i++) 288 atomic_set(&mvm->mac80211_queue_stop_count[i], 0); 289 290 mvm->ucode_loaded = true; 291 292 return 0; 293} 294 295static int iwl_send_phy_cfg_cmd(struct iwl_mvm *mvm) 296{ 297 struct iwl_phy_cfg_cmd phy_cfg_cmd; 298 enum iwl_ucode_type ucode_type = mvm->cur_ucode; 299 300 /* Set parameters */ 301 phy_cfg_cmd.phy_cfg = cpu_to_le32(iwl_mvm_get_phy_config(mvm)); 302 phy_cfg_cmd.calib_control.event_trigger = 303 mvm->fw->default_calib[ucode_type].event_trigger; 304 phy_cfg_cmd.calib_control.flow_trigger = 305 mvm->fw->default_calib[ucode_type].flow_trigger; 306 307 IWL_DEBUG_INFO(mvm, "Sending Phy CFG command: 0x%x\n", 308 phy_cfg_cmd.phy_cfg); 309 310 return iwl_mvm_send_cmd_pdu(mvm, PHY_CONFIGURATION_CMD, 0, 311 sizeof(phy_cfg_cmd), &phy_cfg_cmd); 312} 313 314int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm) 315{ 316 struct iwl_notification_wait calib_wait; 317 static const u8 init_complete[] = { 318 INIT_COMPLETE_NOTIF, 319 CALIB_RES_NOTIF_PHY_DB 320 }; 321 int ret; 322 323 lockdep_assert_held(&mvm->mutex); 324 325 if (WARN_ON_ONCE(mvm->calibrating)) 326 return 0; 327 328 iwl_init_notification_wait(&mvm->notif_wait, 329 &calib_wait, 330 init_complete, 331 ARRAY_SIZE(init_complete), 332 iwl_wait_phy_db_entry, 333 mvm->phy_db); 334 335 /* Will also start the device */ 336 ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_INIT); 337 if (ret) { 338 IWL_ERR(mvm, "Failed to start INIT ucode: %d\n", ret); 339 goto error; 340 } 341 342 ret = iwl_send_bt_init_conf(mvm); 343 if (ret) 344 goto error; 345 346 /* Read the NVM only at driver load time, no need to do this twice */ 347 if (read_nvm) { 348 /* Read nvm */ 349 ret = iwl_nvm_init(mvm, true); 350 if (ret) { 351 IWL_ERR(mvm, "Failed to read NVM: %d\n", ret); 352 goto error; 353 } 354 } 355 356 /* In case we read the NVM from external file, load it to the NIC */ 357 if (mvm->nvm_file_name) 358 iwl_mvm_load_nvm_to_nic(mvm); 359 360 ret = iwl_nvm_check_version(mvm->nvm_data, mvm->trans); 361 WARN_ON(ret); 362 363 /* 364 * abort after reading the nvm in case RF Kill is on, we will complete 365 * the init seq later when RF kill will switch to off 366 */ 367 if (iwl_mvm_is_radio_hw_killed(mvm)) { 368 IWL_DEBUG_RF_KILL(mvm, 369 "jump over all phy activities due to RF kill\n"); 370 iwl_remove_notification(&mvm->notif_wait, &calib_wait); 371 ret = 1; 372 goto out; 373 } 374 375 mvm->calibrating = true; 376 377 /* Send TX valid antennas before triggering calibrations */ 378 ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm)); 379 if (ret) 380 goto error; 381 382 /* 383 * Send phy configurations command to init uCode 384 * to start the 16.0 uCode init image internal calibrations. 385 */ 386 ret = iwl_send_phy_cfg_cmd(mvm); 387 if (ret) { 388 IWL_ERR(mvm, "Failed to run INIT calibrations: %d\n", 389 ret); 390 goto error; 391 } 392 393 /* 394 * Some things may run in the background now, but we 395 * just wait for the calibration complete notification. 396 */ 397 ret = iwl_wait_notification(&mvm->notif_wait, &calib_wait, 398 MVM_UCODE_CALIB_TIMEOUT); 399 400 if (ret && iwl_mvm_is_radio_hw_killed(mvm)) { 401 IWL_DEBUG_RF_KILL(mvm, "RFKILL while calibrating.\n"); 402 ret = 1; 403 } 404 goto out; 405 406error: 407 iwl_remove_notification(&mvm->notif_wait, &calib_wait); 408out: 409 mvm->calibrating = false; 410 if (iwlmvm_mod_params.init_dbg && !mvm->nvm_data) { 411 /* we want to debug INIT and we have no NVM - fake */ 412 mvm->nvm_data = kzalloc(sizeof(struct iwl_nvm_data) + 413 sizeof(struct ieee80211_channel) + 414 sizeof(struct ieee80211_rate), 415 GFP_KERNEL); 416 if (!mvm->nvm_data) 417 return -ENOMEM; 418 mvm->nvm_data->bands[0].channels = mvm->nvm_data->channels; 419 mvm->nvm_data->bands[0].n_channels = 1; 420 mvm->nvm_data->bands[0].n_bitrates = 1; 421 mvm->nvm_data->bands[0].bitrates = 422 (void *)mvm->nvm_data->channels + 1; 423 mvm->nvm_data->bands[0].bitrates->hw_value = 10; 424 } 425 426 return ret; 427} 428 429static void iwl_mvm_get_shared_mem_conf(struct iwl_mvm *mvm) 430{ 431 struct iwl_host_cmd cmd = { 432 .id = SHARED_MEM_CFG, 433 .flags = CMD_WANT_SKB, 434 .data = { NULL, }, 435 .len = { 0, }, 436 }; 437 struct iwl_rx_packet *pkt; 438 struct iwl_shared_mem_cfg *mem_cfg; 439 u32 i; 440 441 lockdep_assert_held(&mvm->mutex); 442 443 if (WARN_ON(iwl_mvm_send_cmd(mvm, &cmd))) 444 return; 445 446 pkt = cmd.resp_pkt; 447 if (pkt->hdr.flags & IWL_CMD_FAILED_MSK) { 448 IWL_ERR(mvm, "Bad return from SHARED_MEM_CFG (0x%08X)\n", 449 pkt->hdr.flags); 450 goto exit; 451 } 452 453 mem_cfg = (void *)pkt->data; 454 455 mvm->shared_mem_cfg.shared_mem_addr = 456 le32_to_cpu(mem_cfg->shared_mem_addr); 457 mvm->shared_mem_cfg.shared_mem_size = 458 le32_to_cpu(mem_cfg->shared_mem_size); 459 mvm->shared_mem_cfg.sample_buff_addr = 460 le32_to_cpu(mem_cfg->sample_buff_addr); 461 mvm->shared_mem_cfg.sample_buff_size = 462 le32_to_cpu(mem_cfg->sample_buff_size); 463 mvm->shared_mem_cfg.txfifo_addr = le32_to_cpu(mem_cfg->txfifo_addr); 464 for (i = 0; i < ARRAY_SIZE(mvm->shared_mem_cfg.txfifo_size); i++) 465 mvm->shared_mem_cfg.txfifo_size[i] = 466 le32_to_cpu(mem_cfg->txfifo_size[i]); 467 for (i = 0; i < ARRAY_SIZE(mvm->shared_mem_cfg.rxfifo_size); i++) 468 mvm->shared_mem_cfg.rxfifo_size[i] = 469 le32_to_cpu(mem_cfg->rxfifo_size[i]); 470 mvm->shared_mem_cfg.page_buff_addr = 471 le32_to_cpu(mem_cfg->page_buff_addr); 472 mvm->shared_mem_cfg.page_buff_size = 473 le32_to_cpu(mem_cfg->page_buff_size); 474 IWL_DEBUG_INFO(mvm, "SHARED MEM CFG: got memory offsets/sizes\n"); 475 476exit: 477 iwl_free_resp(&cmd); 478} 479 480int iwl_mvm_fw_dbg_collect_desc(struct iwl_mvm *mvm, 481 struct iwl_mvm_dump_desc *desc, 482 unsigned int delay) 483{ 484 if (test_and_set_bit(IWL_MVM_STATUS_DUMPING_FW_LOG, &mvm->status)) 485 return -EBUSY; 486 487 if (WARN_ON(mvm->fw_dump_desc)) 488 iwl_mvm_free_fw_dump_desc(mvm); 489 490 IWL_WARN(mvm, "Collecting data: trigger %d fired.\n", 491 le32_to_cpu(desc->trig_desc.type)); 492 493 mvm->fw_dump_desc = desc; 494 495 queue_delayed_work(system_wq, &mvm->fw_dump_wk, delay); 496 497 return 0; 498} 499 500int iwl_mvm_fw_dbg_collect(struct iwl_mvm *mvm, enum iwl_fw_dbg_trigger trig, 501 const char *str, size_t len, unsigned int delay) 502{ 503 struct iwl_mvm_dump_desc *desc; 504 505 desc = kzalloc(sizeof(*desc) + len, GFP_ATOMIC); 506 if (!desc) 507 return -ENOMEM; 508 509 desc->len = len; 510 desc->trig_desc.type = cpu_to_le32(trig); 511 memcpy(desc->trig_desc.data, str, len); 512 513 return iwl_mvm_fw_dbg_collect_desc(mvm, desc, delay); 514} 515 516int iwl_mvm_fw_dbg_collect_trig(struct iwl_mvm *mvm, 517 struct iwl_fw_dbg_trigger_tlv *trigger, 518 const char *fmt, ...) 519{ 520 unsigned int delay = msecs_to_jiffies(le32_to_cpu(trigger->stop_delay)); 521 u16 occurrences = le16_to_cpu(trigger->occurrences); 522 int ret, len = 0; 523 char buf[64]; 524 525 if (!occurrences) 526 return 0; 527 528 if (fmt) { 529 va_list ap; 530 531 buf[sizeof(buf) - 1] = '\0'; 532 533 va_start(ap, fmt); 534 vsnprintf(buf, sizeof(buf), fmt, ap); 535 va_end(ap); 536 537 /* check for truncation */ 538 if (WARN_ON_ONCE(buf[sizeof(buf) - 1])) 539 buf[sizeof(buf) - 1] = '\0'; 540 541 len = strlen(buf) + 1; 542 } 543 544 ret = iwl_mvm_fw_dbg_collect(mvm, le32_to_cpu(trigger->id), buf, 545 len, delay); 546 if (ret) 547 return ret; 548 549 trigger->occurrences = cpu_to_le16(occurrences - 1); 550 return 0; 551} 552 553static inline void iwl_mvm_restart_early_start(struct iwl_mvm *mvm) 554{ 555 if (mvm->cfg->device_family == IWL_DEVICE_FAMILY_7000) 556 iwl_clear_bits_prph(mvm->trans, MON_BUFF_SAMPLE_CTL, 0x100); 557 else 558 iwl_write_prph(mvm->trans, DBGC_IN_SAMPLE, 1); 559} 560 561int iwl_mvm_start_fw_dbg_conf(struct iwl_mvm *mvm, u8 conf_id) 562{ 563 u8 *ptr; 564 int ret; 565 int i; 566 567 if (WARN_ONCE(conf_id >= ARRAY_SIZE(mvm->fw->dbg_conf_tlv), 568 "Invalid configuration %d\n", conf_id)) 569 return -EINVAL; 570 571 /* EARLY START - firmware's configuration is hard coded */ 572 if ((!mvm->fw->dbg_conf_tlv[conf_id] || 573 !mvm->fw->dbg_conf_tlv[conf_id]->num_of_hcmds) && 574 conf_id == FW_DBG_START_FROM_ALIVE) { 575 iwl_mvm_restart_early_start(mvm); 576 return 0; 577 } 578 579 if (!mvm->fw->dbg_conf_tlv[conf_id]) 580 return -EINVAL; 581 582 if (mvm->fw_dbg_conf != FW_DBG_INVALID) 583 IWL_WARN(mvm, "FW already configured (%d) - re-configuring\n", 584 mvm->fw_dbg_conf); 585 586 /* Send all HCMDs for configuring the FW debug */ 587 ptr = (void *)&mvm->fw->dbg_conf_tlv[conf_id]->hcmd; 588 for (i = 0; i < mvm->fw->dbg_conf_tlv[conf_id]->num_of_hcmds; i++) { 589 struct iwl_fw_dbg_conf_hcmd *cmd = (void *)ptr; 590 591 ret = iwl_mvm_send_cmd_pdu(mvm, cmd->id, 0, 592 le16_to_cpu(cmd->len), cmd->data); 593 if (ret) 594 return ret; 595 596 ptr += sizeof(*cmd); 597 ptr += le16_to_cpu(cmd->len); 598 } 599 600 mvm->fw_dbg_conf = conf_id; 601 return ret; 602} 603 604static int iwl_mvm_config_ltr_v1(struct iwl_mvm *mvm) 605{ 606 struct iwl_ltr_config_cmd_v1 cmd_v1 = { 607 .flags = cpu_to_le32(LTR_CFG_FLAG_FEATURE_ENABLE), 608 }; 609 610 if (!mvm->trans->ltr_enabled) 611 return 0; 612 613 return iwl_mvm_send_cmd_pdu(mvm, LTR_CONFIG, 0, 614 sizeof(cmd_v1), &cmd_v1); 615} 616 617static int iwl_mvm_config_ltr(struct iwl_mvm *mvm) 618{ 619 struct iwl_ltr_config_cmd cmd = { 620 .flags = cpu_to_le32(LTR_CFG_FLAG_FEATURE_ENABLE), 621 }; 622 623 if (!mvm->trans->ltr_enabled) 624 return 0; 625 626 if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_HDC_PHASE_0)) 627 return iwl_mvm_config_ltr_v1(mvm); 628 629 return iwl_mvm_send_cmd_pdu(mvm, LTR_CONFIG, 0, 630 sizeof(cmd), &cmd); 631} 632 633int iwl_mvm_up(struct iwl_mvm *mvm) 634{ 635 int ret, i; 636 struct ieee80211_channel *chan; 637 struct cfg80211_chan_def chandef; 638 639 lockdep_assert_held(&mvm->mutex); 640 641 ret = iwl_trans_start_hw(mvm->trans); 642 if (ret) 643 return ret; 644 645 /* 646 * If we haven't completed the run of the init ucode during 647 * module loading, load init ucode now 648 * (for example, if we were in RFKILL) 649 */ 650 ret = iwl_run_init_mvm_ucode(mvm, false); 651 if (ret && !iwlmvm_mod_params.init_dbg) { 652 IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", ret); 653 /* this can't happen */ 654 if (WARN_ON(ret > 0)) 655 ret = -ERFKILL; 656 goto error; 657 } 658 if (!iwlmvm_mod_params.init_dbg) { 659 /* 660 * Stop and start the transport without entering low power 661 * mode. This will save the state of other components on the 662 * device that are triggered by the INIT firwmare (MFUART). 663 */ 664 _iwl_trans_stop_device(mvm->trans, false); 665 _iwl_trans_start_hw(mvm->trans, false); 666 if (ret) 667 return ret; 668 } 669 670 if (iwlmvm_mod_params.init_dbg) 671 return 0; 672 673 ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_REGULAR); 674 if (ret) { 675 IWL_ERR(mvm, "Failed to start RT ucode: %d\n", ret); 676 goto error; 677 } 678 679 if (IWL_UCODE_API(mvm->fw->ucode_ver) >= 10) 680 iwl_mvm_get_shared_mem_conf(mvm); 681 682 ret = iwl_mvm_sf_update(mvm, NULL, false); 683 if (ret) 684 IWL_ERR(mvm, "Failed to initialize Smart Fifo\n"); 685 686 mvm->fw_dbg_conf = FW_DBG_INVALID; 687 /* if we have a destination, assume EARLY START */ 688 if (mvm->fw->dbg_dest_tlv) 689 mvm->fw_dbg_conf = FW_DBG_START_FROM_ALIVE; 690 iwl_mvm_start_fw_dbg_conf(mvm, FW_DBG_START_FROM_ALIVE); 691 692 ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm)); 693 if (ret) 694 goto error; 695 696 ret = iwl_send_bt_init_conf(mvm); 697 if (ret) 698 goto error; 699 700 /* Send phy db control command and then phy db calibration*/ 701 ret = iwl_send_phy_db_data(mvm->phy_db); 702 if (ret) 703 goto error; 704 705 ret = iwl_send_phy_cfg_cmd(mvm); 706 if (ret) 707 goto error; 708 709 /* init the fw <-> mac80211 STA mapping */ 710 for (i = 0; i < IWL_MVM_STATION_COUNT; i++) 711 RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL); 712 713 mvm->tdls_cs.peer.sta_id = IWL_MVM_STATION_COUNT; 714 715 /* reset quota debouncing buffer - 0xff will yield invalid data */ 716 memset(&mvm->last_quota_cmd, 0xff, sizeof(mvm->last_quota_cmd)); 717 718 /* Add auxiliary station for scanning */ 719 ret = iwl_mvm_add_aux_sta(mvm); 720 if (ret) 721 goto error; 722 723 /* Add all the PHY contexts */ 724 chan = &mvm->hw->wiphy->bands[IEEE80211_BAND_2GHZ]->channels[0]; 725 cfg80211_chandef_create(&chandef, chan, NL80211_CHAN_NO_HT); 726 for (i = 0; i < NUM_PHY_CTX; i++) { 727 /* 728 * The channel used here isn't relevant as it's 729 * going to be overwritten in the other flows. 730 * For now use the first channel we have. 731 */ 732 ret = iwl_mvm_phy_ctxt_add(mvm, &mvm->phy_ctxts[i], 733 &chandef, 1, 1); 734 if (ret) 735 goto error; 736 } 737 738 /* Initialize tx backoffs to the minimal possible */ 739 iwl_mvm_tt_tx_backoff(mvm, 0); 740 741 WARN_ON(iwl_mvm_config_ltr(mvm)); 742 743 ret = iwl_mvm_power_update_device(mvm); 744 if (ret) 745 goto error; 746 747 /* 748 * RTNL is not taken during Ct-kill, but we don't need to scan/Tx 749 * anyway, so don't init MCC. 750 */ 751 if (!test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status)) { 752 ret = iwl_mvm_init_mcc(mvm); 753 if (ret) 754 goto error; 755 } 756 757 if (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_UMAC_SCAN) { 758 ret = iwl_mvm_config_scan(mvm); 759 if (ret) 760 goto error; 761 } 762 763 /* allow FW/transport low power modes if not during restart */ 764 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 765 iwl_mvm_unref(mvm, IWL_MVM_REF_UCODE_DOWN); 766 767 IWL_DEBUG_INFO(mvm, "RT uCode started.\n"); 768 return 0; 769 error: 770 iwl_trans_stop_device(mvm->trans); 771 return ret; 772} 773 774int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm) 775{ 776 int ret, i; 777 778 lockdep_assert_held(&mvm->mutex); 779 780 ret = iwl_trans_start_hw(mvm->trans); 781 if (ret) 782 return ret; 783 784 ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_WOWLAN); 785 if (ret) { 786 IWL_ERR(mvm, "Failed to start WoWLAN firmware: %d\n", ret); 787 goto error; 788 } 789 790 ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm)); 791 if (ret) 792 goto error; 793 794 /* Send phy db control command and then phy db calibration*/ 795 ret = iwl_send_phy_db_data(mvm->phy_db); 796 if (ret) 797 goto error; 798 799 ret = iwl_send_phy_cfg_cmd(mvm); 800 if (ret) 801 goto error; 802 803 /* init the fw <-> mac80211 STA mapping */ 804 for (i = 0; i < IWL_MVM_STATION_COUNT; i++) 805 RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL); 806 807 /* Add auxiliary station for scanning */ 808 ret = iwl_mvm_add_aux_sta(mvm); 809 if (ret) 810 goto error; 811 812 return 0; 813 error: 814 iwl_trans_stop_device(mvm->trans); 815 return ret; 816} 817 818int iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm, 819 struct iwl_rx_cmd_buffer *rxb, 820 struct iwl_device_cmd *cmd) 821{ 822 struct iwl_rx_packet *pkt = rxb_addr(rxb); 823 struct iwl_card_state_notif *card_state_notif = (void *)pkt->data; 824 u32 flags = le32_to_cpu(card_state_notif->flags); 825 826 IWL_DEBUG_RF_KILL(mvm, "Card state received: HW:%s SW:%s CT:%s\n", 827 (flags & HW_CARD_DISABLED) ? "Kill" : "On", 828 (flags & SW_CARD_DISABLED) ? "Kill" : "On", 829 (flags & CT_KILL_CARD_DISABLED) ? 830 "Reached" : "Not reached"); 831 832 return 0; 833} 834 835int iwl_mvm_rx_radio_ver(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, 836 struct iwl_device_cmd *cmd) 837{ 838 struct iwl_rx_packet *pkt = rxb_addr(rxb); 839 struct iwl_radio_version_notif *radio_version = (void *)pkt->data; 840 841 /* TODO: what to do with that? */ 842 IWL_DEBUG_INFO(mvm, 843 "Radio version: flavor: 0x%08x, step 0x%08x, dash 0x%08x\n", 844 le32_to_cpu(radio_version->radio_flavor), 845 le32_to_cpu(radio_version->radio_step), 846 le32_to_cpu(radio_version->radio_dash)); 847 return 0; 848} 849 850int iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm, 851 struct iwl_rx_cmd_buffer *rxb, 852 struct iwl_device_cmd *cmd) 853{ 854 struct iwl_rx_packet *pkt = rxb_addr(rxb); 855 struct iwl_mfuart_load_notif *mfuart_notif = (void *)pkt->data; 856 857 IWL_DEBUG_INFO(mvm, 858 "MFUART: installed ver: 0x%08x, external ver: 0x%08x, status: 0x%08x, duration: 0x%08x\n", 859 le32_to_cpu(mfuart_notif->installed_ver), 860 le32_to_cpu(mfuart_notif->external_ver), 861 le32_to_cpu(mfuart_notif->status), 862 le32_to_cpu(mfuart_notif->duration)); 863 return 0; 864} 865