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67#include <net/mac80211.h>
68#include <linux/netdevice.h>
69#include <linux/acpi.h>
70
71#include "iwl-trans.h"
72#include "iwl-op-mode.h"
73#include "fw/img.h"
74#include "iwl-debug.h"
75#include "iwl-csr.h"
76#include "iwl-io.h"
77#include "iwl-prph.h"
78#include "iwl-eeprom-parse.h"
79
80#include "mvm.h"
81#include "fw/dbg.h"
82#include "iwl-phy-db.h"
83
84#define MVM_UCODE_ALIVE_TIMEOUT HZ
85#define MVM_UCODE_CALIB_TIMEOUT (2*HZ)
86
87#define UCODE_VALID_OK cpu_to_le32(0x1)
88
89struct iwl_mvm_alive_data {
90 bool valid;
91 u32 scd_base_addr;
92};
93
94static int iwl_send_tx_ant_cfg(struct iwl_mvm *mvm, u8 valid_tx_ant)
95{
96 struct iwl_tx_ant_cfg_cmd tx_ant_cmd = {
97 .valid = cpu_to_le32(valid_tx_ant),
98 };
99
100 IWL_DEBUG_FW(mvm, "select valid tx ant: %u\n", valid_tx_ant);
101 return iwl_mvm_send_cmd_pdu(mvm, TX_ANT_CONFIGURATION_CMD, 0,
102 sizeof(tx_ant_cmd), &tx_ant_cmd);
103}
104
105static int iwl_send_rss_cfg_cmd(struct iwl_mvm *mvm)
106{
107 int i;
108 struct iwl_rss_config_cmd cmd = {
109 .flags = cpu_to_le32(IWL_RSS_ENABLE),
110 .hash_mask = IWL_RSS_HASH_TYPE_IPV4_TCP |
111 IWL_RSS_HASH_TYPE_IPV4_UDP |
112 IWL_RSS_HASH_TYPE_IPV4_PAYLOAD |
113 IWL_RSS_HASH_TYPE_IPV6_TCP |
114 IWL_RSS_HASH_TYPE_IPV6_UDP |
115 IWL_RSS_HASH_TYPE_IPV6_PAYLOAD,
116 };
117
118 if (mvm->trans->num_rx_queues == 1)
119 return 0;
120
121
122 for (i = 0; i < ARRAY_SIZE(cmd.indirection_table); i++)
123 cmd.indirection_table[i] =
124 1 + (i % (mvm->trans->num_rx_queues - 1));
125 netdev_rss_key_fill(cmd.secret_key, sizeof(cmd.secret_key));
126
127 return iwl_mvm_send_cmd_pdu(mvm, RSS_CONFIG_CMD, 0, sizeof(cmd), &cmd);
128}
129
130static int iwl_mvm_send_dqa_cmd(struct iwl_mvm *mvm)
131{
132 struct iwl_dqa_enable_cmd dqa_cmd = {
133 .cmd_queue = cpu_to_le32(IWL_MVM_DQA_CMD_QUEUE),
134 };
135 u32 cmd_id = iwl_cmd_id(DQA_ENABLE_CMD, DATA_PATH_GROUP, 0);
136 int ret;
137
138 ret = iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, sizeof(dqa_cmd), &dqa_cmd);
139 if (ret)
140 IWL_ERR(mvm, "Failed to send DQA enabling command: %d\n", ret);
141 else
142 IWL_DEBUG_FW(mvm, "Working in DQA mode\n");
143
144 return ret;
145}
146
147void iwl_mvm_mfu_assert_dump_notif(struct iwl_mvm *mvm,
148 struct iwl_rx_cmd_buffer *rxb)
149{
150 struct iwl_rx_packet *pkt = rxb_addr(rxb);
151 struct iwl_mfu_assert_dump_notif *mfu_dump_notif = (void *)pkt->data;
152 __le32 *dump_data = mfu_dump_notif->data;
153 int n_words = le32_to_cpu(mfu_dump_notif->data_size) / sizeof(__le32);
154 int i;
155
156 if (mfu_dump_notif->index_num == 0)
157 IWL_INFO(mvm, "MFUART assert id 0x%x occurred\n",
158 le32_to_cpu(mfu_dump_notif->assert_id));
159
160 for (i = 0; i < n_words; i++)
161 IWL_DEBUG_INFO(mvm,
162 "MFUART assert dump, dword %u: 0x%08x\n",
163 le16_to_cpu(mfu_dump_notif->index_num) *
164 n_words + i,
165 le32_to_cpu(dump_data[i]));
166}
167
168static bool iwl_alive_fn(struct iwl_notif_wait_data *notif_wait,
169 struct iwl_rx_packet *pkt, void *data)
170{
171 struct iwl_mvm *mvm =
172 container_of(notif_wait, struct iwl_mvm, notif_wait);
173 struct iwl_mvm_alive_data *alive_data = data;
174 struct mvm_alive_resp_v3 *palive3;
175 struct mvm_alive_resp *palive;
176 struct iwl_umac_alive *umac;
177 struct iwl_lmac_alive *lmac1;
178 struct iwl_lmac_alive *lmac2 = NULL;
179 u16 status;
180
181 if (iwl_rx_packet_payload_len(pkt) == sizeof(*palive)) {
182 palive = (void *)pkt->data;
183 umac = &palive->umac_data;
184 lmac1 = &palive->lmac_data[0];
185 lmac2 = &palive->lmac_data[1];
186 status = le16_to_cpu(palive->status);
187 } else {
188 palive3 = (void *)pkt->data;
189 umac = &palive3->umac_data;
190 lmac1 = &palive3->lmac_data;
191 status = le16_to_cpu(palive3->status);
192 }
193
194 mvm->error_event_table[0] = le32_to_cpu(lmac1->error_event_table_ptr);
195 if (lmac2)
196 mvm->error_event_table[1] =
197 le32_to_cpu(lmac2->error_event_table_ptr);
198 mvm->log_event_table = le32_to_cpu(lmac1->log_event_table_ptr);
199 mvm->sf_space.addr = le32_to_cpu(lmac1->st_fwrd_addr);
200 mvm->sf_space.size = le32_to_cpu(lmac1->st_fwrd_size);
201
202 mvm->umac_error_event_table = le32_to_cpu(umac->error_info_addr);
203
204 alive_data->scd_base_addr = le32_to_cpu(lmac1->scd_base_ptr);
205 alive_data->valid = status == IWL_ALIVE_STATUS_OK;
206 if (mvm->umac_error_event_table)
207 mvm->support_umac_log = true;
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 return true;
222}
223
224static bool iwl_wait_init_complete(struct iwl_notif_wait_data *notif_wait,
225 struct iwl_rx_packet *pkt, void *data)
226{
227 WARN_ON(pkt->hdr.cmd != INIT_COMPLETE_NOTIF);
228
229 return true;
230}
231
232static bool iwl_wait_phy_db_entry(struct iwl_notif_wait_data *notif_wait,
233 struct iwl_rx_packet *pkt, void *data)
234{
235 struct iwl_phy_db *phy_db = data;
236
237 if (pkt->hdr.cmd != CALIB_RES_NOTIF_PHY_DB) {
238 WARN_ON(pkt->hdr.cmd != INIT_COMPLETE_NOTIF);
239 return true;
240 }
241
242 WARN_ON(iwl_phy_db_set_section(phy_db, pkt));
243
244 return false;
245}
246
247static int iwl_mvm_load_ucode_wait_alive(struct iwl_mvm *mvm,
248 enum iwl_ucode_type ucode_type)
249{
250 struct iwl_notification_wait alive_wait;
251 struct iwl_mvm_alive_data alive_data;
252 const struct fw_img *fw;
253 int ret, i;
254 enum iwl_ucode_type old_type = mvm->fwrt.cur_fw_img;
255 static const u16 alive_cmd[] = { MVM_ALIVE };
256 struct iwl_sf_region st_fwrd_space;
257
258 if (ucode_type == IWL_UCODE_REGULAR &&
259 iwl_fw_dbg_conf_usniffer(mvm->fw, FW_DBG_START_FROM_ALIVE) &&
260 !(fw_has_capa(&mvm->fw->ucode_capa,
261 IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED)))
262 fw = iwl_get_ucode_image(mvm->fw, IWL_UCODE_REGULAR_USNIFFER);
263 else
264 fw = iwl_get_ucode_image(mvm->fw, ucode_type);
265 if (WARN_ON(!fw))
266 return -EINVAL;
267 iwl_fw_set_current_image(&mvm->fwrt, ucode_type);
268 clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status);
269
270 iwl_init_notification_wait(&mvm->notif_wait, &alive_wait,
271 alive_cmd, ARRAY_SIZE(alive_cmd),
272 iwl_alive_fn, &alive_data);
273
274 ret = iwl_trans_start_fw(mvm->trans, fw, ucode_type == IWL_UCODE_INIT);
275 if (ret) {
276 iwl_fw_set_current_image(&mvm->fwrt, old_type);
277 iwl_remove_notification(&mvm->notif_wait, &alive_wait);
278 return ret;
279 }
280
281
282
283
284
285 ret = iwl_wait_notification(&mvm->notif_wait, &alive_wait,
286 MVM_UCODE_ALIVE_TIMEOUT);
287 if (ret) {
288 struct iwl_trans *trans = mvm->trans;
289
290 if (trans->cfg->device_family == IWL_DEVICE_FAMILY_A000)
291 IWL_ERR(mvm,
292 "SecBoot CPU1 Status: 0x%x, CPU2 Status: 0x%x\n",
293 iwl_read_prph(trans, UMAG_SB_CPU_1_STATUS),
294 iwl_read_prph(trans, UMAG_SB_CPU_2_STATUS));
295 else if (trans->cfg->device_family >= IWL_DEVICE_FAMILY_8000)
296 IWL_ERR(mvm,
297 "SecBoot CPU1 Status: 0x%x, CPU2 Status: 0x%x\n",
298 iwl_read_prph(trans, SB_CPU_1_STATUS),
299 iwl_read_prph(trans, SB_CPU_2_STATUS));
300 iwl_fw_set_current_image(&mvm->fwrt, old_type);
301 return ret;
302 }
303
304 if (!alive_data.valid) {
305 IWL_ERR(mvm, "Loaded ucode is not valid!\n");
306 iwl_fw_set_current_image(&mvm->fwrt, old_type);
307 return -EIO;
308 }
309
310
311
312
313
314 st_fwrd_space.addr = mvm->sf_space.addr;
315 st_fwrd_space.size = mvm->sf_space.size;
316 ret = iwl_trans_update_sf(mvm->trans, &st_fwrd_space);
317 if (ret) {
318 IWL_ERR(mvm, "Failed to update SF size. ret %d\n", ret);
319 return ret;
320 }
321
322 iwl_trans_fw_alive(mvm->trans, alive_data.scd_base_addr);
323
324
325
326
327
328
329
330
331
332
333 memset(&mvm->queue_info, 0, sizeof(mvm->queue_info));
334 mvm->queue_info[IWL_MVM_DQA_CMD_QUEUE].hw_queue_refcount = 1;
335
336 for (i = 0; i < IEEE80211_MAX_QUEUES; i++)
337 atomic_set(&mvm->mac80211_queue_stop_count[i], 0);
338
339 set_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status);
340
341 return 0;
342}
343
344static int iwl_run_unified_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm)
345{
346 struct iwl_notification_wait init_wait;
347 struct iwl_nvm_access_complete_cmd nvm_complete = {};
348 struct iwl_init_extended_cfg_cmd init_cfg = {
349 .init_flags = cpu_to_le32(BIT(IWL_INIT_NVM)),
350 };
351 static const u16 init_complete[] = {
352 INIT_COMPLETE_NOTIF,
353 };
354 int ret;
355
356 lockdep_assert_held(&mvm->mutex);
357
358 iwl_init_notification_wait(&mvm->notif_wait,
359 &init_wait,
360 init_complete,
361 ARRAY_SIZE(init_complete),
362 iwl_wait_init_complete,
363 NULL);
364
365
366 ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_REGULAR);
367 if (ret) {
368 IWL_ERR(mvm, "Failed to start RT ucode: %d\n", ret);
369 goto error;
370 }
371
372
373
374
375 ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(SYSTEM_GROUP,
376 INIT_EXTENDED_CFG_CMD), 0,
377 sizeof(init_cfg), &init_cfg);
378 if (ret) {
379 IWL_ERR(mvm, "Failed to run init config command: %d\n",
380 ret);
381 goto error;
382 }
383
384
385 if (mvm->nvm_file_name) {
386 iwl_mvm_read_external_nvm(mvm);
387 iwl_mvm_load_nvm_to_nic(mvm);
388 }
389
390 if (IWL_MVM_PARSE_NVM && read_nvm) {
391 ret = iwl_nvm_init(mvm);
392 if (ret) {
393 IWL_ERR(mvm, "Failed to read NVM: %d\n", ret);
394 goto error;
395 }
396 }
397
398 ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(REGULATORY_AND_NVM_GROUP,
399 NVM_ACCESS_COMPLETE), 0,
400 sizeof(nvm_complete), &nvm_complete);
401 if (ret) {
402 IWL_ERR(mvm, "Failed to run complete NVM access: %d\n",
403 ret);
404 goto error;
405 }
406
407
408 ret = iwl_wait_notification(&mvm->notif_wait, &init_wait,
409 MVM_UCODE_ALIVE_TIMEOUT);
410 if (ret)
411 return ret;
412
413
414 if (!IWL_MVM_PARSE_NVM && read_nvm) {
415 mvm->nvm_data = iwl_fw_get_nvm(&mvm->fwrt);
416 if (IS_ERR(mvm->nvm_data)) {
417 ret = PTR_ERR(mvm->nvm_data);
418 mvm->nvm_data = NULL;
419 IWL_ERR(mvm, "Failed to read NVM: %d\n", ret);
420 return ret;
421 }
422 }
423
424 return 0;
425
426error:
427 iwl_remove_notification(&mvm->notif_wait, &init_wait);
428 return ret;
429}
430
431static int iwl_send_phy_cfg_cmd(struct iwl_mvm *mvm)
432{
433 struct iwl_phy_cfg_cmd phy_cfg_cmd;
434 enum iwl_ucode_type ucode_type = mvm->fwrt.cur_fw_img;
435
436
437 phy_cfg_cmd.phy_cfg = cpu_to_le32(iwl_mvm_get_phy_config(mvm));
438
439
440 phy_cfg_cmd.phy_cfg |= cpu_to_le32(mvm->cfg->extra_phy_cfg_flags);
441
442 phy_cfg_cmd.calib_control.event_trigger =
443 mvm->fw->default_calib[ucode_type].event_trigger;
444 phy_cfg_cmd.calib_control.flow_trigger =
445 mvm->fw->default_calib[ucode_type].flow_trigger;
446
447 IWL_DEBUG_INFO(mvm, "Sending Phy CFG command: 0x%x\n",
448 phy_cfg_cmd.phy_cfg);
449
450 return iwl_mvm_send_cmd_pdu(mvm, PHY_CONFIGURATION_CMD, 0,
451 sizeof(phy_cfg_cmd), &phy_cfg_cmd);
452}
453
454int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm)
455{
456 struct iwl_notification_wait calib_wait;
457 static const u16 init_complete[] = {
458 INIT_COMPLETE_NOTIF,
459 CALIB_RES_NOTIF_PHY_DB
460 };
461 int ret;
462
463 if (iwl_mvm_has_unified_ucode(mvm))
464 return iwl_run_unified_mvm_ucode(mvm, true);
465
466 lockdep_assert_held(&mvm->mutex);
467
468 if (WARN_ON_ONCE(mvm->calibrating))
469 return 0;
470
471 iwl_init_notification_wait(&mvm->notif_wait,
472 &calib_wait,
473 init_complete,
474 ARRAY_SIZE(init_complete),
475 iwl_wait_phy_db_entry,
476 mvm->phy_db);
477
478
479 ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_INIT);
480 if (ret) {
481 IWL_ERR(mvm, "Failed to start INIT ucode: %d\n", ret);
482 goto remove_notif;
483 }
484
485 if (mvm->cfg->device_family < IWL_DEVICE_FAMILY_8000) {
486 ret = iwl_mvm_send_bt_init_conf(mvm);
487 if (ret)
488 goto remove_notif;
489 }
490
491
492 if (read_nvm) {
493 ret = iwl_nvm_init(mvm);
494 if (ret) {
495 IWL_ERR(mvm, "Failed to read NVM: %d\n", ret);
496 goto remove_notif;
497 }
498 }
499
500
501 if (mvm->nvm_file_name)
502 iwl_mvm_load_nvm_to_nic(mvm);
503
504 WARN_ON(iwl_nvm_check_version(mvm->nvm_data, mvm->trans));
505
506
507
508
509
510 if (iwl_mvm_is_radio_hw_killed(mvm)) {
511 IWL_DEBUG_RF_KILL(mvm,
512 "jump over all phy activities due to RF kill\n");
513 goto remove_notif;
514 }
515
516 mvm->calibrating = true;
517
518
519 ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm));
520 if (ret)
521 goto remove_notif;
522
523 ret = iwl_send_phy_cfg_cmd(mvm);
524 if (ret) {
525 IWL_ERR(mvm, "Failed to run INIT calibrations: %d\n",
526 ret);
527 goto remove_notif;
528 }
529
530
531
532
533
534 ret = iwl_wait_notification(&mvm->notif_wait, &calib_wait,
535 MVM_UCODE_CALIB_TIMEOUT);
536 if (!ret)
537 goto out;
538
539 if (iwl_mvm_is_radio_hw_killed(mvm)) {
540 IWL_DEBUG_RF_KILL(mvm, "RFKILL while calibrating.\n");
541 ret = 0;
542 } else {
543 IWL_ERR(mvm, "Failed to run INIT calibrations: %d\n",
544 ret);
545 }
546
547 goto out;
548
549remove_notif:
550 iwl_remove_notification(&mvm->notif_wait, &calib_wait);
551out:
552 mvm->calibrating = false;
553 if (iwlmvm_mod_params.init_dbg && !mvm->nvm_data) {
554
555 mvm->nvm_data = kzalloc(sizeof(struct iwl_nvm_data) +
556 sizeof(struct ieee80211_channel) +
557 sizeof(struct ieee80211_rate),
558 GFP_KERNEL);
559 if (!mvm->nvm_data)
560 return -ENOMEM;
561 mvm->nvm_data->bands[0].channels = mvm->nvm_data->channels;
562 mvm->nvm_data->bands[0].n_channels = 1;
563 mvm->nvm_data->bands[0].n_bitrates = 1;
564 mvm->nvm_data->bands[0].bitrates =
565 (void *)mvm->nvm_data->channels + 1;
566 mvm->nvm_data->bands[0].bitrates->hw_value = 10;
567 }
568
569 return ret;
570}
571
572static int iwl_mvm_config_ltr(struct iwl_mvm *mvm)
573{
574 struct iwl_ltr_config_cmd cmd = {
575 .flags = cpu_to_le32(LTR_CFG_FLAG_FEATURE_ENABLE),
576 };
577
578 if (!mvm->trans->ltr_enabled)
579 return 0;
580
581 return iwl_mvm_send_cmd_pdu(mvm, LTR_CONFIG, 0,
582 sizeof(cmd), &cmd);
583}
584
585#ifdef CONFIG_ACPI
586#define ACPI_WRDS_METHOD "WRDS"
587#define ACPI_EWRD_METHOD "EWRD"
588#define ACPI_WGDS_METHOD "WGDS"
589#define ACPI_WIFI_DOMAIN (0x07)
590#define ACPI_WRDS_WIFI_DATA_SIZE (IWL_MVM_SAR_TABLE_SIZE + 2)
591#define ACPI_EWRD_WIFI_DATA_SIZE ((IWL_MVM_SAR_PROFILE_NUM - 1) * \
592 IWL_MVM_SAR_TABLE_SIZE + 3)
593#define ACPI_WGDS_WIFI_DATA_SIZE 18
594#define ACPI_WGDS_NUM_BANDS 2
595#define ACPI_WGDS_TABLE_SIZE 3
596
597static int iwl_mvm_sar_set_profile(struct iwl_mvm *mvm,
598 union acpi_object *table,
599 struct iwl_mvm_sar_profile *profile,
600 bool enabled)
601{
602 int i;
603
604 profile->enabled = enabled;
605
606 for (i = 0; i < IWL_MVM_SAR_TABLE_SIZE; i++) {
607 if ((table[i].type != ACPI_TYPE_INTEGER) ||
608 (table[i].integer.value > U8_MAX))
609 return -EINVAL;
610
611 profile->table[i] = table[i].integer.value;
612 }
613
614 return 0;
615}
616
617static union acpi_object *iwl_mvm_sar_find_wifi_pkg(struct iwl_mvm *mvm,
618 union acpi_object *data,
619 int data_size)
620{
621 union acpi_object *wifi_pkg = NULL;
622 int i;
623
624
625
626
627
628
629 if (data->type != ACPI_TYPE_PACKAGE ||
630 data->package.count < 2 ||
631 data->package.elements[0].type != ACPI_TYPE_INTEGER ||
632 data->package.elements[0].integer.value != 0) {
633 IWL_DEBUG_RADIO(mvm, "Unsupported packages structure\n");
634 return ERR_PTR(-EINVAL);
635 }
636
637
638 for (i = 1; i < data->package.count; i++) {
639 union acpi_object *domain;
640
641 wifi_pkg = &data->package.elements[i];
642
643
644
645
646
647 if (wifi_pkg->type != ACPI_TYPE_PACKAGE ||
648 wifi_pkg->package.count != data_size)
649 continue;
650
651 domain = &wifi_pkg->package.elements[0];
652 if (domain->type == ACPI_TYPE_INTEGER &&
653 domain->integer.value == ACPI_WIFI_DOMAIN)
654 break;
655
656 wifi_pkg = NULL;
657 }
658
659 if (!wifi_pkg)
660 return ERR_PTR(-ENOENT);
661
662 return wifi_pkg;
663}
664
665static int iwl_mvm_sar_get_wrds_table(struct iwl_mvm *mvm)
666{
667 union acpi_object *wifi_pkg, *table;
668 acpi_handle root_handle;
669 acpi_handle handle;
670 struct acpi_buffer wrds = {ACPI_ALLOCATE_BUFFER, NULL};
671 acpi_status status;
672 bool enabled;
673 int ret;
674
675 root_handle = ACPI_HANDLE(mvm->dev);
676 if (!root_handle) {
677 IWL_DEBUG_RADIO(mvm,
678 "Could not retrieve root port ACPI handle\n");
679 return -ENOENT;
680 }
681
682
683 status = acpi_get_handle(root_handle, (acpi_string)ACPI_WRDS_METHOD,
684 &handle);
685 if (ACPI_FAILURE(status)) {
686 IWL_DEBUG_RADIO(mvm, "WRDS method not found\n");
687 return -ENOENT;
688 }
689
690
691 status = acpi_evaluate_object(handle, NULL, NULL, &wrds);
692 if (ACPI_FAILURE(status)) {
693 IWL_DEBUG_RADIO(mvm, "WRDS invocation failed (0x%x)\n", status);
694 return -ENOENT;
695 }
696
697 wifi_pkg = iwl_mvm_sar_find_wifi_pkg(mvm, wrds.pointer,
698 ACPI_WRDS_WIFI_DATA_SIZE);
699 if (IS_ERR(wifi_pkg)) {
700 ret = PTR_ERR(wifi_pkg);
701 goto out_free;
702 }
703
704 if (wifi_pkg->package.elements[1].type != ACPI_TYPE_INTEGER) {
705 ret = -EINVAL;
706 goto out_free;
707 }
708
709 enabled = !!(wifi_pkg->package.elements[1].integer.value);
710
711
712 table = &wifi_pkg->package.elements[2];
713
714
715
716
717 ret = iwl_mvm_sar_set_profile(mvm, table, &mvm->sar_profiles[0],
718 enabled);
719
720out_free:
721 kfree(wrds.pointer);
722 return ret;
723}
724
725static int iwl_mvm_sar_get_ewrd_table(struct iwl_mvm *mvm)
726{
727 union acpi_object *wifi_pkg;
728 acpi_handle root_handle;
729 acpi_handle handle;
730 struct acpi_buffer ewrd = {ACPI_ALLOCATE_BUFFER, NULL};
731 acpi_status status;
732 bool enabled;
733 int i, n_profiles, ret;
734
735 root_handle = ACPI_HANDLE(mvm->dev);
736 if (!root_handle) {
737 IWL_DEBUG_RADIO(mvm,
738 "Could not retrieve root port ACPI handle\n");
739 return -ENOENT;
740 }
741
742
743 status = acpi_get_handle(root_handle, (acpi_string)ACPI_EWRD_METHOD,
744 &handle);
745 if (ACPI_FAILURE(status)) {
746 IWL_DEBUG_RADIO(mvm, "EWRD method not found\n");
747 return -ENOENT;
748 }
749
750
751 status = acpi_evaluate_object(handle, NULL, NULL, &ewrd);
752 if (ACPI_FAILURE(status)) {
753 IWL_DEBUG_RADIO(mvm, "EWRD invocation failed (0x%x)\n", status);
754 return -ENOENT;
755 }
756
757 wifi_pkg = iwl_mvm_sar_find_wifi_pkg(mvm, ewrd.pointer,
758 ACPI_EWRD_WIFI_DATA_SIZE);
759 if (IS_ERR(wifi_pkg)) {
760 ret = PTR_ERR(wifi_pkg);
761 goto out_free;
762 }
763
764 if ((wifi_pkg->package.elements[1].type != ACPI_TYPE_INTEGER) ||
765 (wifi_pkg->package.elements[2].type != ACPI_TYPE_INTEGER)) {
766 ret = -EINVAL;
767 goto out_free;
768 }
769
770 enabled = !!(wifi_pkg->package.elements[1].integer.value);
771 n_profiles = wifi_pkg->package.elements[2].integer.value;
772
773
774 if (n_profiles <= 0) {
775 ret = -EINVAL;
776 goto out_free;
777 }
778
779 for (i = 0; i < n_profiles; i++) {
780
781 static int pos = 3;
782
783
784
785
786
787 ret = iwl_mvm_sar_set_profile(mvm,
788 &wifi_pkg->package.elements[pos],
789 &mvm->sar_profiles[i + 1],
790 enabled);
791 if (ret < 0)
792 break;
793
794
795 pos += IWL_MVM_SAR_TABLE_SIZE;
796 }
797
798out_free:
799 kfree(ewrd.pointer);
800 return ret;
801}
802
803static int iwl_mvm_sar_get_wgds_table(struct iwl_mvm *mvm)
804{
805 union acpi_object *wifi_pkg;
806 acpi_handle root_handle;
807 acpi_handle handle;
808 struct acpi_buffer wgds = {ACPI_ALLOCATE_BUFFER, NULL};
809 acpi_status status;
810 int i, j, ret;
811 int idx = 1;
812
813 root_handle = ACPI_HANDLE(mvm->dev);
814 if (!root_handle) {
815 IWL_DEBUG_RADIO(mvm,
816 "Could not retrieve root port ACPI handle\n");
817 return -ENOENT;
818 }
819
820
821 status = acpi_get_handle(root_handle, (acpi_string)ACPI_WGDS_METHOD,
822 &handle);
823 if (ACPI_FAILURE(status)) {
824 IWL_DEBUG_RADIO(mvm, "WGDS method not found\n");
825 return -ENOENT;
826 }
827
828
829 status = acpi_evaluate_object(handle, NULL, NULL, &wgds);
830 if (ACPI_FAILURE(status)) {
831 IWL_DEBUG_RADIO(mvm, "WGDS invocation failed (0x%x)\n", status);
832 return -ENOENT;
833 }
834
835 wifi_pkg = iwl_mvm_sar_find_wifi_pkg(mvm, wgds.pointer,
836 ACPI_WGDS_WIFI_DATA_SIZE);
837 if (IS_ERR(wifi_pkg)) {
838 ret = PTR_ERR(wifi_pkg);
839 goto out_free;
840 }
841
842 for (i = 0; i < IWL_NUM_GEO_PROFILES; i++) {
843 for (j = 0; j < IWL_MVM_GEO_TABLE_SIZE; j++) {
844 union acpi_object *entry;
845
846 entry = &wifi_pkg->package.elements[idx++];
847 if ((entry->type != ACPI_TYPE_INTEGER) ||
848 (entry->integer.value > U8_MAX)) {
849 ret = -EINVAL;
850 goto out_free;
851 }
852
853 mvm->geo_profiles[i].values[j] = entry->integer.value;
854 }
855 }
856 ret = 0;
857out_free:
858 kfree(wgds.pointer);
859 return ret;
860}
861
862int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a, int prof_b)
863{
864 struct iwl_dev_tx_power_cmd cmd = {
865 .v3.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_CHAINS),
866 };
867 int i, j, idx;
868 int profs[IWL_NUM_CHAIN_LIMITS] = { prof_a, prof_b };
869 int len = sizeof(cmd);
870
871 BUILD_BUG_ON(IWL_NUM_CHAIN_LIMITS < 2);
872 BUILD_BUG_ON(IWL_NUM_CHAIN_LIMITS * IWL_NUM_SUB_BANDS !=
873 IWL_MVM_SAR_TABLE_SIZE);
874
875 if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TX_POWER_ACK))
876 len = sizeof(cmd.v3);
877
878 for (i = 0; i < IWL_NUM_CHAIN_LIMITS; i++) {
879 struct iwl_mvm_sar_profile *prof;
880
881
882 if (profs[i] == 0)
883 return -EPERM;
884
885
886 if (profs[i] > IWL_MVM_SAR_PROFILE_NUM)
887 return -EINVAL;
888
889
890 prof = &mvm->sar_profiles[profs[i] - 1];
891
892
893 if (!prof->enabled) {
894 IWL_DEBUG_RADIO(mvm, "SAR profile %d is disabled.\n",
895 profs[i]);
896
897 return -ENOENT;
898 }
899
900 IWL_DEBUG_RADIO(mvm, " Chain[%d]:\n", i);
901 for (j = 0; j < IWL_NUM_SUB_BANDS; j++) {
902 idx = (i * IWL_NUM_SUB_BANDS) + j;
903 cmd.v3.per_chain_restriction[i][j] =
904 cpu_to_le16(prof->table[idx]);
905 IWL_DEBUG_RADIO(mvm, " Band[%d] = %d * .125dBm\n",
906 j, prof->table[idx]);
907 }
908 }
909
910 IWL_DEBUG_RADIO(mvm, "Sending REDUCE_TX_POWER_CMD per chain\n");
911
912 return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0, len, &cmd);
913}
914
915int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm)
916{
917 struct iwl_geo_tx_power_profiles_resp *resp;
918 int ret;
919
920 struct iwl_geo_tx_power_profiles_cmd geo_cmd = {
921 .ops = cpu_to_le32(IWL_PER_CHAIN_OFFSET_GET_CURRENT_TABLE),
922 };
923 struct iwl_host_cmd cmd = {
924 .id = WIDE_ID(PHY_OPS_GROUP, GEO_TX_POWER_LIMIT),
925 .len = { sizeof(geo_cmd), },
926 .flags = CMD_WANT_SKB,
927 .data = { &geo_cmd },
928 };
929
930 ret = iwl_mvm_send_cmd(mvm, &cmd);
931 if (ret) {
932 IWL_ERR(mvm, "Failed to get geographic profile info %d\n", ret);
933 return ret;
934 }
935
936 resp = (void *)cmd.resp_pkt->data;
937 ret = le32_to_cpu(resp->profile_idx);
938 if (WARN_ON(ret > IWL_NUM_GEO_PROFILES)) {
939 ret = -EIO;
940 IWL_WARN(mvm, "Invalid geographic profile idx (%d)\n", ret);
941 }
942
943 iwl_free_resp(&cmd);
944 return ret;
945}
946
947static int iwl_mvm_sar_geo_init(struct iwl_mvm *mvm)
948{
949 struct iwl_geo_tx_power_profiles_cmd cmd = {
950 .ops = cpu_to_le32(IWL_PER_CHAIN_OFFSET_SET_TABLES),
951 };
952 int ret, i, j;
953 u16 cmd_wide_id = WIDE_ID(PHY_OPS_GROUP, GEO_TX_POWER_LIMIT);
954
955 ret = iwl_mvm_sar_get_wgds_table(mvm);
956 if (ret < 0) {
957 IWL_DEBUG_RADIO(mvm,
958 "Geo SAR BIOS table invalid or unavailable. (%d)\n",
959 ret);
960
961 return 0;
962 }
963
964 IWL_DEBUG_RADIO(mvm, "Sending GEO_TX_POWER_LIMIT\n");
965
966 BUILD_BUG_ON(IWL_NUM_GEO_PROFILES * ACPI_WGDS_NUM_BANDS *
967 ACPI_WGDS_TABLE_SIZE != ACPI_WGDS_WIFI_DATA_SIZE);
968
969 for (i = 0; i < IWL_NUM_GEO_PROFILES; i++) {
970 struct iwl_per_chain_offset *chain =
971 (struct iwl_per_chain_offset *)&cmd.table[i];
972
973 for (j = 0; j < ACPI_WGDS_NUM_BANDS; j++) {
974 u8 *value;
975
976 value = &mvm->geo_profiles[i].values[j *
977 IWL_GEO_PER_CHAIN_SIZE];
978 chain[j].max_tx_power = cpu_to_le16(value[0]);
979 chain[j].chain_a = value[1];
980 chain[j].chain_b = value[2];
981 IWL_DEBUG_RADIO(mvm,
982 "SAR geographic profile[%d] Band[%d]: chain A = %d chain B = %d max_tx_power = %d\n",
983 i, j, value[1], value[2], value[0]);
984 }
985 }
986 return iwl_mvm_send_cmd_pdu(mvm, cmd_wide_id, 0, sizeof(cmd), &cmd);
987}
988
989#else
990static int iwl_mvm_sar_get_wrds_table(struct iwl_mvm *mvm)
991{
992 return -ENOENT;
993}
994
995static int iwl_mvm_sar_get_ewrd_table(struct iwl_mvm *mvm)
996{
997 return -ENOENT;
998}
999
1000static int iwl_mvm_sar_geo_init(struct iwl_mvm *mvm)
1001{
1002 return 0;
1003}
1004
1005int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a,
1006 int prof_b)
1007{
1008 return -ENOENT;
1009}
1010
1011int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm)
1012{
1013 return -ENOENT;
1014}
1015#endif
1016
1017static int iwl_mvm_sar_init(struct iwl_mvm *mvm)
1018{
1019 int ret;
1020
1021 ret = iwl_mvm_sar_get_wrds_table(mvm);
1022 if (ret < 0) {
1023 IWL_DEBUG_RADIO(mvm,
1024 "WRDS SAR BIOS table invalid or unavailable. (%d)\n",
1025 ret);
1026
1027 return 0;
1028 }
1029
1030 ret = iwl_mvm_sar_get_ewrd_table(mvm);
1031
1032 if (ret < 0)
1033 IWL_DEBUG_RADIO(mvm,
1034 "EWRD SAR BIOS table invalid or unavailable. (%d)\n",
1035 ret);
1036
1037
1038 ret = iwl_mvm_sar_select_profile(mvm, 1, 1);
1039
1040
1041 if (ret == -ENOENT)
1042 return 0;
1043
1044 return ret;
1045}
1046
1047static int iwl_mvm_load_rt_fw(struct iwl_mvm *mvm)
1048{
1049 int ret;
1050
1051 if (iwl_mvm_has_unified_ucode(mvm))
1052 return iwl_run_unified_mvm_ucode(mvm, false);
1053
1054 ret = iwl_run_init_mvm_ucode(mvm, false);
1055
1056 if (iwlmvm_mod_params.init_dbg)
1057 return 0;
1058
1059 if (ret) {
1060 IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", ret);
1061 return ret;
1062 }
1063
1064
1065
1066
1067
1068
1069 _iwl_trans_stop_device(mvm->trans, false);
1070 ret = _iwl_trans_start_hw(mvm->trans, false);
1071 if (ret)
1072 return ret;
1073
1074 ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_REGULAR);
1075 if (ret)
1076 return ret;
1077
1078 return iwl_init_paging(&mvm->fwrt, mvm->fwrt.cur_fw_img);
1079}
1080
1081int iwl_mvm_up(struct iwl_mvm *mvm)
1082{
1083 int ret, i;
1084 struct ieee80211_channel *chan;
1085 struct cfg80211_chan_def chandef;
1086
1087 lockdep_assert_held(&mvm->mutex);
1088
1089 ret = iwl_trans_start_hw(mvm->trans);
1090 if (ret)
1091 return ret;
1092
1093 ret = iwl_mvm_load_rt_fw(mvm);
1094 if (ret) {
1095 IWL_ERR(mvm, "Failed to start RT ucode: %d\n", ret);
1096 goto error;
1097 }
1098
1099 iwl_get_shared_mem_conf(&mvm->fwrt);
1100
1101 ret = iwl_mvm_sf_update(mvm, NULL, false);
1102 if (ret)
1103 IWL_ERR(mvm, "Failed to initialize Smart Fifo\n");
1104
1105 mvm->fwrt.dump.conf = FW_DBG_INVALID;
1106
1107 if (mvm->fw->dbg_dest_tlv)
1108 mvm->fwrt.dump.conf = FW_DBG_START_FROM_ALIVE;
1109 iwl_fw_start_dbg_conf(&mvm->fwrt, FW_DBG_START_FROM_ALIVE);
1110
1111 ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm));
1112 if (ret)
1113 goto error;
1114
1115 if (!iwl_mvm_has_unified_ucode(mvm)) {
1116
1117 ret = iwl_send_phy_db_data(mvm->phy_db);
1118 if (ret)
1119 goto error;
1120
1121 ret = iwl_send_phy_cfg_cmd(mvm);
1122 if (ret)
1123 goto error;
1124 }
1125
1126 ret = iwl_mvm_send_bt_init_conf(mvm);
1127 if (ret)
1128 goto error;
1129
1130
1131
1132 if (iwl_mvm_has_new_rx_api(mvm) &&
1133 mvm->trans->cfg->device_family != IWL_DEVICE_FAMILY_A000) {
1134 ret = iwl_send_rss_cfg_cmd(mvm);
1135 if (ret) {
1136 IWL_ERR(mvm, "Failed to configure RSS queues: %d\n",
1137 ret);
1138 goto error;
1139 }
1140 }
1141
1142
1143 for (i = 0; i < ARRAY_SIZE(mvm->fw_id_to_mac_id); i++)
1144 RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL);
1145
1146 mvm->tdls_cs.peer.sta_id = IWL_MVM_INVALID_STA;
1147
1148
1149 memset(&mvm->last_quota_cmd, 0xff, sizeof(mvm->last_quota_cmd));
1150
1151 ret = iwl_mvm_send_dqa_cmd(mvm);
1152 if (ret)
1153 goto error;
1154
1155
1156 ret = iwl_mvm_add_aux_sta(mvm);
1157 if (ret)
1158 goto error;
1159
1160
1161 chan = &mvm->hw->wiphy->bands[NL80211_BAND_2GHZ]->channels[0];
1162 cfg80211_chandef_create(&chandef, chan, NL80211_CHAN_NO_HT);
1163 for (i = 0; i < NUM_PHY_CTX; i++) {
1164
1165
1166
1167
1168
1169 ret = iwl_mvm_phy_ctxt_add(mvm, &mvm->phy_ctxts[i],
1170 &chandef, 1, 1);
1171 if (ret)
1172 goto error;
1173 }
1174
1175#ifdef CONFIG_THERMAL
1176 if (iwl_mvm_is_tt_in_fw(mvm)) {
1177
1178
1179
1180
1181 iwl_mvm_send_temp_report_ths_cmd(mvm);
1182 } else {
1183
1184 iwl_mvm_tt_tx_backoff(mvm, 0);
1185 }
1186
1187
1188
1189
1190
1191
1192
1193 if (iwl_mvm_is_ctdp_supported(mvm)) {
1194 ret = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_START,
1195 mvm->cooling_dev.cur_state);
1196 if (ret)
1197 goto error;
1198 }
1199#else
1200
1201 iwl_mvm_tt_tx_backoff(mvm, 0);
1202#endif
1203
1204 WARN_ON(iwl_mvm_config_ltr(mvm));
1205
1206 ret = iwl_mvm_power_update_device(mvm);
1207 if (ret)
1208 goto error;
1209
1210
1211
1212
1213
1214 if (!test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status)) {
1215 ret = iwl_mvm_init_mcc(mvm);
1216 if (ret)
1217 goto error;
1218 }
1219
1220 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) {
1221 mvm->scan_type = IWL_SCAN_TYPE_NOT_SET;
1222 ret = iwl_mvm_config_scan(mvm);
1223 if (ret)
1224 goto error;
1225 }
1226
1227
1228 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
1229 iwl_mvm_unref(mvm, IWL_MVM_REF_UCODE_DOWN);
1230
1231 ret = iwl_mvm_sar_init(mvm);
1232 if (ret)
1233 goto error;
1234
1235 ret = iwl_mvm_sar_geo_init(mvm);
1236 if (ret)
1237 goto error;
1238
1239 iwl_mvm_leds_sync(mvm);
1240
1241 IWL_DEBUG_INFO(mvm, "RT uCode started.\n");
1242 return 0;
1243 error:
1244 if (!iwlmvm_mod_params.init_dbg)
1245 iwl_mvm_stop_device(mvm);
1246 return ret;
1247}
1248
1249int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm)
1250{
1251 int ret, i;
1252
1253 lockdep_assert_held(&mvm->mutex);
1254
1255 ret = iwl_trans_start_hw(mvm->trans);
1256 if (ret)
1257 return ret;
1258
1259 ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_WOWLAN);
1260 if (ret) {
1261 IWL_ERR(mvm, "Failed to start WoWLAN firmware: %d\n", ret);
1262 goto error;
1263 }
1264
1265 ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm));
1266 if (ret)
1267 goto error;
1268
1269
1270 ret = iwl_send_phy_db_data(mvm->phy_db);
1271 if (ret)
1272 goto error;
1273
1274 ret = iwl_send_phy_cfg_cmd(mvm);
1275 if (ret)
1276 goto error;
1277
1278
1279 for (i = 0; i < ARRAY_SIZE(mvm->fw_id_to_mac_id); i++)
1280 RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL);
1281
1282
1283 ret = iwl_mvm_add_aux_sta(mvm);
1284 if (ret)
1285 goto error;
1286
1287 return 0;
1288 error:
1289 iwl_mvm_stop_device(mvm);
1290 return ret;
1291}
1292
1293void iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
1294 struct iwl_rx_cmd_buffer *rxb)
1295{
1296 struct iwl_rx_packet *pkt = rxb_addr(rxb);
1297 struct iwl_card_state_notif *card_state_notif = (void *)pkt->data;
1298 u32 flags = le32_to_cpu(card_state_notif->flags);
1299
1300 IWL_DEBUG_RF_KILL(mvm, "Card state received: HW:%s SW:%s CT:%s\n",
1301 (flags & HW_CARD_DISABLED) ? "Kill" : "On",
1302 (flags & SW_CARD_DISABLED) ? "Kill" : "On",
1303 (flags & CT_KILL_CARD_DISABLED) ?
1304 "Reached" : "Not reached");
1305}
1306
1307void iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm,
1308 struct iwl_rx_cmd_buffer *rxb)
1309{
1310 struct iwl_rx_packet *pkt = rxb_addr(rxb);
1311 struct iwl_mfuart_load_notif *mfuart_notif = (void *)pkt->data;
1312
1313 IWL_DEBUG_INFO(mvm,
1314 "MFUART: installed ver: 0x%08x, external ver: 0x%08x, status: 0x%08x, duration: 0x%08x\n",
1315 le32_to_cpu(mfuart_notif->installed_ver),
1316 le32_to_cpu(mfuart_notif->external_ver),
1317 le32_to_cpu(mfuart_notif->status),
1318 le32_to_cpu(mfuart_notif->duration));
1319
1320 if (iwl_rx_packet_payload_len(pkt) == sizeof(*mfuart_notif))
1321 IWL_DEBUG_INFO(mvm,
1322 "MFUART: image size: 0x%08x\n",
1323 le32_to_cpu(mfuart_notif->image_size));
1324}
1325