1 /******************************************************************************
2  *
3  * This file is provided under a dual BSD/GPLv2 license.  When using or
4  * redistributing this file, you may do so under either license.
5  *
6  * GPL LICENSE SUMMARY
7  *
8  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
9  * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
10  * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
11  * Copyright(c) 2018 - 2019        Intel Corporation
12  *
13  * This program is free software; you can redistribute it and/or modify
14  * it under the terms of version 2 of the GNU General Public License as
15  * published by the Free Software Foundation.
16  *
17  * This program is distributed in the hope that it will be useful, but
18  * WITHOUT ANY WARRANTY; without even the implied warranty of
19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
20  * General Public License for more details.
21  *
22  * The full GNU General Public License is included in this distribution
23  * in the file called COPYING.
24  *
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26  *  Intel Linux Wireless <linuxwifi@intel.com>
27  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
28  *
29  * BSD LICENSE
30  *
31  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
32  * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
33  * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
34  * Copyright(c) 2018 - 2019       Intel Corporation
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49  *    from this software without specific prior written permission.
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61  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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63  *****************************************************************************/
64 #include <net/mac80211.h>
65 #include <linux/netdevice.h>
66 
67 #include "iwl-trans.h"
68 #include "iwl-op-mode.h"
69 #include "fw/img.h"
70 #include "iwl-debug.h"
71 #include "iwl-csr.h" /* for iwl_mvm_rx_card_state_notif */
72 #include "iwl-io.h" /* for iwl_mvm_rx_card_state_notif */
73 #include "iwl-prph.h"
74 #include "fw/acpi.h"
75 
76 #include "mvm.h"
77 #include "fw/dbg.h"
78 #include "iwl-phy-db.h"
79 #include "iwl-modparams.h"
80 #include "iwl-nvm-parse.h"
81 
82 #define MVM_UCODE_ALIVE_TIMEOUT	HZ
83 #define MVM_UCODE_CALIB_TIMEOUT	(2*HZ)
84 
85 #define UCODE_VALID_OK	cpu_to_le32(0x1)
86 
87 struct iwl_mvm_alive_data {
88 	bool valid;
89 	u32 scd_base_addr;
90 };
91 
92 static int iwl_send_tx_ant_cfg(struct iwl_mvm *mvm, u8 valid_tx_ant)
93 {
94 	struct iwl_tx_ant_cfg_cmd tx_ant_cmd = {
95 		.valid = cpu_to_le32(valid_tx_ant),
96 	};
97 
98 	IWL_DEBUG_FW(mvm, "select valid tx ant: %u\n", valid_tx_ant);
99 	return iwl_mvm_send_cmd_pdu(mvm, TX_ANT_CONFIGURATION_CMD, 0,
100 				    sizeof(tx_ant_cmd), &tx_ant_cmd);
101 }
102 
103 static int iwl_send_rss_cfg_cmd(struct iwl_mvm *mvm)
104 {
105 	int i;
106 	struct iwl_rss_config_cmd cmd = {
107 		.flags = cpu_to_le32(IWL_RSS_ENABLE),
108 		.hash_mask = BIT(IWL_RSS_HASH_TYPE_IPV4_TCP) |
109 			     BIT(IWL_RSS_HASH_TYPE_IPV4_UDP) |
110 			     BIT(IWL_RSS_HASH_TYPE_IPV4_PAYLOAD) |
111 			     BIT(IWL_RSS_HASH_TYPE_IPV6_TCP) |
112 			     BIT(IWL_RSS_HASH_TYPE_IPV6_UDP) |
113 			     BIT(IWL_RSS_HASH_TYPE_IPV6_PAYLOAD),
114 	};
115 
116 	if (mvm->trans->num_rx_queues == 1)
117 		return 0;
118 
119 	/* Do not direct RSS traffic to Q 0 which is our fallback queue */
120 	for (i = 0; i < ARRAY_SIZE(cmd.indirection_table); i++)
121 		cmd.indirection_table[i] =
122 			1 + (i % (mvm->trans->num_rx_queues - 1));
123 	netdev_rss_key_fill(cmd.secret_key, sizeof(cmd.secret_key));
124 
125 	return iwl_mvm_send_cmd_pdu(mvm, RSS_CONFIG_CMD, 0, sizeof(cmd), &cmd);
126 }
127 
128 static int iwl_configure_rxq(struct iwl_mvm *mvm)
129 {
130 	int i, num_queues, size, ret;
131 	struct iwl_rfh_queue_config *cmd;
132 	struct iwl_host_cmd hcmd = {
133 		.id = WIDE_ID(DATA_PATH_GROUP, RFH_QUEUE_CONFIG_CMD),
134 		.dataflags[0] = IWL_HCMD_DFL_NOCOPY,
135 	};
136 
137 	/* Do not configure default queue, it is configured via context info */
138 	num_queues = mvm->trans->num_rx_queues - 1;
139 
140 	size = struct_size(cmd, data, num_queues);
141 
142 	cmd = kzalloc(size, GFP_KERNEL);
143 	if (!cmd)
144 		return -ENOMEM;
145 
146 	cmd->num_queues = num_queues;
147 
148 	for (i = 0; i < num_queues; i++) {
149 		struct iwl_trans_rxq_dma_data data;
150 
151 		cmd->data[i].q_num = i + 1;
152 		iwl_trans_get_rxq_dma_data(mvm->trans, i + 1, &data);
153 
154 		cmd->data[i].fr_bd_cb = cpu_to_le64(data.fr_bd_cb);
155 		cmd->data[i].urbd_stts_wrptr =
156 			cpu_to_le64(data.urbd_stts_wrptr);
157 		cmd->data[i].ur_bd_cb = cpu_to_le64(data.ur_bd_cb);
158 		cmd->data[i].fr_bd_wid = cpu_to_le32(data.fr_bd_wid);
159 	}
160 
161 	hcmd.data[0] = cmd;
162 	hcmd.len[0] = size;
163 
164 	ret = iwl_mvm_send_cmd(mvm, &hcmd);
165 
166 	kfree(cmd);
167 
168 	return ret;
169 }
170 
171 static int iwl_mvm_send_dqa_cmd(struct iwl_mvm *mvm)
172 {
173 	struct iwl_dqa_enable_cmd dqa_cmd = {
174 		.cmd_queue = cpu_to_le32(IWL_MVM_DQA_CMD_QUEUE),
175 	};
176 	u32 cmd_id = iwl_cmd_id(DQA_ENABLE_CMD, DATA_PATH_GROUP, 0);
177 	int ret;
178 
179 	ret = iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, sizeof(dqa_cmd), &dqa_cmd);
180 	if (ret)
181 		IWL_ERR(mvm, "Failed to send DQA enabling command: %d\n", ret);
182 	else
183 		IWL_DEBUG_FW(mvm, "Working in DQA mode\n");
184 
185 	return ret;
186 }
187 
188 void iwl_mvm_mfu_assert_dump_notif(struct iwl_mvm *mvm,
189 				   struct iwl_rx_cmd_buffer *rxb)
190 {
191 	struct iwl_rx_packet *pkt = rxb_addr(rxb);
192 	struct iwl_mfu_assert_dump_notif *mfu_dump_notif = (void *)pkt->data;
193 	__le32 *dump_data = mfu_dump_notif->data;
194 	int n_words = le32_to_cpu(mfu_dump_notif->data_size) / sizeof(__le32);
195 	int i;
196 
197 	if (mfu_dump_notif->index_num == 0)
198 		IWL_INFO(mvm, "MFUART assert id 0x%x occurred\n",
199 			 le32_to_cpu(mfu_dump_notif->assert_id));
200 
201 	for (i = 0; i < n_words; i++)
202 		IWL_DEBUG_INFO(mvm,
203 			       "MFUART assert dump, dword %u: 0x%08x\n",
204 			       le16_to_cpu(mfu_dump_notif->index_num) *
205 			       n_words + i,
206 			       le32_to_cpu(dump_data[i]));
207 }
208 
209 static bool iwl_alive_fn(struct iwl_notif_wait_data *notif_wait,
210 			 struct iwl_rx_packet *pkt, void *data)
211 {
212 	struct iwl_mvm *mvm =
213 		container_of(notif_wait, struct iwl_mvm, notif_wait);
214 	struct iwl_mvm_alive_data *alive_data = data;
215 	struct mvm_alive_resp_v3 *palive3;
216 	struct mvm_alive_resp *palive;
217 	struct iwl_umac_alive *umac;
218 	struct iwl_lmac_alive *lmac1;
219 	struct iwl_lmac_alive *lmac2 = NULL;
220 	u16 status;
221 	u32 lmac_error_event_table, umac_error_event_table;
222 
223 	if (iwl_rx_packet_payload_len(pkt) == sizeof(*palive)) {
224 		palive = (void *)pkt->data;
225 		umac = &palive->umac_data;
226 		lmac1 = &palive->lmac_data[0];
227 		lmac2 = &palive->lmac_data[1];
228 		status = le16_to_cpu(palive->status);
229 	} else {
230 		palive3 = (void *)pkt->data;
231 		umac = &palive3->umac_data;
232 		lmac1 = &palive3->lmac_data;
233 		status = le16_to_cpu(palive3->status);
234 	}
235 
236 	lmac_error_event_table =
237 		le32_to_cpu(lmac1->dbg_ptrs.error_event_table_ptr);
238 	iwl_fw_lmac1_set_alive_err_table(mvm->trans, lmac_error_event_table);
239 
240 	if (lmac2)
241 		mvm->trans->dbg.lmac_error_event_table[1] =
242 			le32_to_cpu(lmac2->dbg_ptrs.error_event_table_ptr);
243 
244 	umac_error_event_table = le32_to_cpu(umac->dbg_ptrs.error_info_addr);
245 
246 	if (!umac_error_event_table) {
247 		mvm->support_umac_log = false;
248 	} else if (umac_error_event_table >=
249 		   mvm->trans->cfg->min_umac_error_event_table) {
250 		mvm->support_umac_log = true;
251 	} else {
252 		IWL_ERR(mvm,
253 			"Not valid error log pointer 0x%08X for %s uCode\n",
254 			umac_error_event_table,
255 			(mvm->fwrt.cur_fw_img == IWL_UCODE_INIT) ?
256 			"Init" : "RT");
257 		mvm->support_umac_log = false;
258 	}
259 
260 	if (mvm->support_umac_log)
261 		iwl_fw_umac_set_alive_err_table(mvm->trans,
262 						umac_error_event_table);
263 
264 	alive_data->scd_base_addr = le32_to_cpu(lmac1->dbg_ptrs.scd_base_ptr);
265 	alive_data->valid = status == IWL_ALIVE_STATUS_OK;
266 
267 	IWL_DEBUG_FW(mvm,
268 		     "Alive ucode status 0x%04x revision 0x%01X 0x%01X\n",
269 		     status, lmac1->ver_type, lmac1->ver_subtype);
270 
271 	if (lmac2)
272 		IWL_DEBUG_FW(mvm, "Alive ucode CDB\n");
273 
274 	IWL_DEBUG_FW(mvm,
275 		     "UMAC version: Major - 0x%x, Minor - 0x%x\n",
276 		     le32_to_cpu(umac->umac_major),
277 		     le32_to_cpu(umac->umac_minor));
278 
279 	iwl_fwrt_update_fw_versions(&mvm->fwrt, lmac1, umac);
280 
281 	return true;
282 }
283 
284 static bool iwl_wait_init_complete(struct iwl_notif_wait_data *notif_wait,
285 				   struct iwl_rx_packet *pkt, void *data)
286 {
287 	WARN_ON(pkt->hdr.cmd != INIT_COMPLETE_NOTIF);
288 
289 	return true;
290 }
291 
292 static bool iwl_wait_phy_db_entry(struct iwl_notif_wait_data *notif_wait,
293 				  struct iwl_rx_packet *pkt, void *data)
294 {
295 	struct iwl_phy_db *phy_db = data;
296 
297 	if (pkt->hdr.cmd != CALIB_RES_NOTIF_PHY_DB) {
298 		WARN_ON(pkt->hdr.cmd != INIT_COMPLETE_NOTIF);
299 		return true;
300 	}
301 
302 	WARN_ON(iwl_phy_db_set_section(phy_db, pkt));
303 
304 	return false;
305 }
306 
307 static int iwl_mvm_load_ucode_wait_alive(struct iwl_mvm *mvm,
308 					 enum iwl_ucode_type ucode_type)
309 {
310 	struct iwl_notification_wait alive_wait;
311 	struct iwl_mvm_alive_data alive_data = {};
312 	const struct fw_img *fw;
313 	int ret;
314 	enum iwl_ucode_type old_type = mvm->fwrt.cur_fw_img;
315 	static const u16 alive_cmd[] = { MVM_ALIVE };
316 	bool run_in_rfkill =
317 		ucode_type == IWL_UCODE_INIT || iwl_mvm_has_unified_ucode(mvm);
318 
319 	if (ucode_type == IWL_UCODE_REGULAR &&
320 	    iwl_fw_dbg_conf_usniffer(mvm->fw, FW_DBG_START_FROM_ALIVE) &&
321 	    !(fw_has_capa(&mvm->fw->ucode_capa,
322 			  IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED)))
323 		fw = iwl_get_ucode_image(mvm->fw, IWL_UCODE_REGULAR_USNIFFER);
324 	else
325 		fw = iwl_get_ucode_image(mvm->fw, ucode_type);
326 	if (WARN_ON(!fw))
327 		return -EINVAL;
328 	iwl_fw_set_current_image(&mvm->fwrt, ucode_type);
329 	clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status);
330 
331 	iwl_init_notification_wait(&mvm->notif_wait, &alive_wait,
332 				   alive_cmd, ARRAY_SIZE(alive_cmd),
333 				   iwl_alive_fn, &alive_data);
334 
335 	/*
336 	 * We want to load the INIT firmware even in RFKILL
337 	 * For the unified firmware case, the ucode_type is not
338 	 * INIT, but we still need to run it.
339 	 */
340 	ret = iwl_trans_start_fw(mvm->trans, fw, run_in_rfkill);
341 	if (ret) {
342 		iwl_fw_set_current_image(&mvm->fwrt, old_type);
343 		iwl_remove_notification(&mvm->notif_wait, &alive_wait);
344 		return ret;
345 	}
346 
347 	/*
348 	 * Some things may run in the background now, but we
349 	 * just wait for the ALIVE notification here.
350 	 */
351 	ret = iwl_wait_notification(&mvm->notif_wait, &alive_wait,
352 				    MVM_UCODE_ALIVE_TIMEOUT);
353 	if (ret) {
354 		struct iwl_trans *trans = mvm->trans;
355 
356 		if (trans->trans_cfg->device_family >=
357 					IWL_DEVICE_FAMILY_22000) {
358 			IWL_ERR(mvm,
359 				"SecBoot CPU1 Status: 0x%x, CPU2 Status: 0x%x\n",
360 				iwl_read_umac_prph(trans, UMAG_SB_CPU_1_STATUS),
361 				iwl_read_umac_prph(trans,
362 						   UMAG_SB_CPU_2_STATUS));
363 			IWL_ERR(mvm, "UMAC PC: 0x%x\n",
364 				iwl_read_umac_prph(trans,
365 						   UREG_UMAC_CURRENT_PC));
366 			IWL_ERR(mvm, "LMAC PC: 0x%x\n",
367 				iwl_read_umac_prph(trans,
368 						   UREG_LMAC1_CURRENT_PC));
369 			if (iwl_mvm_is_cdb_supported(mvm))
370 				IWL_ERR(mvm, "LMAC2 PC: 0x%x\n",
371 					iwl_read_umac_prph(trans,
372 						UREG_LMAC2_CURRENT_PC));
373 		} else if (trans->trans_cfg->device_family >=
374 			   IWL_DEVICE_FAMILY_8000) {
375 			IWL_ERR(mvm,
376 				"SecBoot CPU1 Status: 0x%x, CPU2 Status: 0x%x\n",
377 				iwl_read_prph(trans, SB_CPU_1_STATUS),
378 				iwl_read_prph(trans, SB_CPU_2_STATUS));
379 		}
380 
381 		if (ret == -ETIMEDOUT)
382 			iwl_fw_dbg_error_collect(&mvm->fwrt,
383 						 FW_DBG_TRIGGER_ALIVE_TIMEOUT);
384 
385 		iwl_fw_set_current_image(&mvm->fwrt, old_type);
386 		return ret;
387 	}
388 
389 	if (!alive_data.valid) {
390 		IWL_ERR(mvm, "Loaded ucode is not valid!\n");
391 		iwl_fw_set_current_image(&mvm->fwrt, old_type);
392 		return -EIO;
393 	}
394 
395 	iwl_trans_fw_alive(mvm->trans, alive_data.scd_base_addr);
396 
397 	/*
398 	 * Note: all the queues are enabled as part of the interface
399 	 * initialization, but in firmware restart scenarios they
400 	 * could be stopped, so wake them up. In firmware restart,
401 	 * mac80211 will have the queues stopped as well until the
402 	 * reconfiguration completes. During normal startup, they
403 	 * will be empty.
404 	 */
405 
406 	memset(&mvm->queue_info, 0, sizeof(mvm->queue_info));
407 	/*
408 	 * Set a 'fake' TID for the command queue, since we use the
409 	 * hweight() of the tid_bitmap as a refcount now. Not that
410 	 * we ever even consider the command queue as one we might
411 	 * want to reuse, but be safe nevertheless.
412 	 */
413 	mvm->queue_info[IWL_MVM_DQA_CMD_QUEUE].tid_bitmap =
414 		BIT(IWL_MAX_TID_COUNT + 2);
415 
416 	set_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status);
417 #ifdef CONFIG_IWLWIFI_DEBUGFS
418 	iwl_fw_set_dbg_rec_on(&mvm->fwrt);
419 #endif
420 
421 	return 0;
422 }
423 
424 static int iwl_run_unified_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm)
425 {
426 	struct iwl_notification_wait init_wait;
427 	struct iwl_nvm_access_complete_cmd nvm_complete = {};
428 	struct iwl_init_extended_cfg_cmd init_cfg = {
429 		.init_flags = cpu_to_le32(BIT(IWL_INIT_NVM)),
430 	};
431 	static const u16 init_complete[] = {
432 		INIT_COMPLETE_NOTIF,
433 	};
434 	int ret;
435 
436 	if (mvm->trans->cfg->tx_with_siso_diversity)
437 		init_cfg.init_flags |= cpu_to_le32(BIT(IWL_INIT_PHY));
438 
439 	lockdep_assert_held(&mvm->mutex);
440 
441 	mvm->rfkill_safe_init_done = false;
442 
443 	iwl_init_notification_wait(&mvm->notif_wait,
444 				   &init_wait,
445 				   init_complete,
446 				   ARRAY_SIZE(init_complete),
447 				   iwl_wait_init_complete,
448 				   NULL);
449 
450 	iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_EARLY, NULL);
451 
452 	/* Will also start the device */
453 	ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_REGULAR);
454 	if (ret) {
455 		IWL_ERR(mvm, "Failed to start RT ucode: %d\n", ret);
456 		goto error;
457 	}
458 	iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_AFTER_ALIVE,
459 			       NULL);
460 
461 	/* Send init config command to mark that we are sending NVM access
462 	 * commands
463 	 */
464 	ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(SYSTEM_GROUP,
465 						INIT_EXTENDED_CFG_CMD),
466 				   CMD_SEND_IN_RFKILL,
467 				   sizeof(init_cfg), &init_cfg);
468 	if (ret) {
469 		IWL_ERR(mvm, "Failed to run init config command: %d\n",
470 			ret);
471 		goto error;
472 	}
473 
474 	/* Load NVM to NIC if needed */
475 	if (mvm->nvm_file_name) {
476 		iwl_read_external_nvm(mvm->trans, mvm->nvm_file_name,
477 				      mvm->nvm_sections);
478 		iwl_mvm_load_nvm_to_nic(mvm);
479 	}
480 
481 	if (IWL_MVM_PARSE_NVM && read_nvm) {
482 		ret = iwl_nvm_init(mvm);
483 		if (ret) {
484 			IWL_ERR(mvm, "Failed to read NVM: %d\n", ret);
485 			goto error;
486 		}
487 	}
488 
489 	ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(REGULATORY_AND_NVM_GROUP,
490 						NVM_ACCESS_COMPLETE),
491 				   CMD_SEND_IN_RFKILL,
492 				   sizeof(nvm_complete), &nvm_complete);
493 	if (ret) {
494 		IWL_ERR(mvm, "Failed to run complete NVM access: %d\n",
495 			ret);
496 		goto error;
497 	}
498 
499 	/* We wait for the INIT complete notification */
500 	ret = iwl_wait_notification(&mvm->notif_wait, &init_wait,
501 				    MVM_UCODE_ALIVE_TIMEOUT);
502 	if (ret)
503 		return ret;
504 
505 	/* Read the NVM only at driver load time, no need to do this twice */
506 	if (!IWL_MVM_PARSE_NVM && read_nvm) {
507 		mvm->nvm_data = iwl_get_nvm(mvm->trans, mvm->fw);
508 		if (IS_ERR(mvm->nvm_data)) {
509 			ret = PTR_ERR(mvm->nvm_data);
510 			mvm->nvm_data = NULL;
511 			IWL_ERR(mvm, "Failed to read NVM: %d\n", ret);
512 			return ret;
513 		}
514 	}
515 
516 	mvm->rfkill_safe_init_done = true;
517 
518 	return 0;
519 
520 error:
521 	iwl_remove_notification(&mvm->notif_wait, &init_wait);
522 	return ret;
523 }
524 
525 static int iwl_send_phy_cfg_cmd(struct iwl_mvm *mvm)
526 {
527 	struct iwl_phy_cfg_cmd phy_cfg_cmd;
528 	enum iwl_ucode_type ucode_type = mvm->fwrt.cur_fw_img;
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 |= cpu_to_le32(mvm->cfg->extra_phy_cfg_flags);
548 
549 	phy_cfg_cmd.calib_control.event_trigger =
550 		mvm->fw->default_calib[ucode_type].event_trigger;
551 	phy_cfg_cmd.calib_control.flow_trigger =
552 		mvm->fw->default_calib[ucode_type].flow_trigger;
553 
554 	IWL_DEBUG_INFO(mvm, "Sending Phy CFG command: 0x%x\n",
555 		       phy_cfg_cmd.phy_cfg);
556 
557 	return iwl_mvm_send_cmd_pdu(mvm, PHY_CONFIGURATION_CMD, 0,
558 				    sizeof(phy_cfg_cmd), &phy_cfg_cmd);
559 }
560 
561 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm)
562 {
563 	struct iwl_notification_wait calib_wait;
564 	static const u16 init_complete[] = {
565 		INIT_COMPLETE_NOTIF,
566 		CALIB_RES_NOTIF_PHY_DB
567 	};
568 	int ret;
569 
570 	if (iwl_mvm_has_unified_ucode(mvm))
571 		return iwl_run_unified_mvm_ucode(mvm, true);
572 
573 	lockdep_assert_held(&mvm->mutex);
574 
575 	mvm->rfkill_safe_init_done = false;
576 
577 	iwl_init_notification_wait(&mvm->notif_wait,
578 				   &calib_wait,
579 				   init_complete,
580 				   ARRAY_SIZE(init_complete),
581 				   iwl_wait_phy_db_entry,
582 				   mvm->phy_db);
583 
584 	/* Will also start the device */
585 	ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_INIT);
586 	if (ret) {
587 		IWL_ERR(mvm, "Failed to start INIT ucode: %d\n", ret);
588 		goto remove_notif;
589 	}
590 
591 	if (mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_8000) {
592 		ret = iwl_mvm_send_bt_init_conf(mvm);
593 		if (ret)
594 			goto remove_notif;
595 	}
596 
597 	/* Read the NVM only at driver load time, no need to do this twice */
598 	if (read_nvm) {
599 		ret = iwl_nvm_init(mvm);
600 		if (ret) {
601 			IWL_ERR(mvm, "Failed to read NVM: %d\n", ret);
602 			goto remove_notif;
603 		}
604 	}
605 
606 	/* In case we read the NVM from external file, load it to the NIC */
607 	if (mvm->nvm_file_name)
608 		iwl_mvm_load_nvm_to_nic(mvm);
609 
610 	WARN_ONCE(mvm->nvm_data->nvm_version < mvm->trans->cfg->nvm_ver,
611 		  "Too old NVM version (0x%0x, required = 0x%0x)",
612 		  mvm->nvm_data->nvm_version, mvm->trans->cfg->nvm_ver);
613 
614 	/*
615 	 * abort after reading the nvm in case RF Kill is on, we will complete
616 	 * the init seq later when RF kill will switch to off
617 	 */
618 	if (iwl_mvm_is_radio_hw_killed(mvm)) {
619 		IWL_DEBUG_RF_KILL(mvm,
620 				  "jump over all phy activities due to RF kill\n");
621 		goto remove_notif;
622 	}
623 
624 	mvm->rfkill_safe_init_done = true;
625 
626 	/* Send TX valid antennas before triggering calibrations */
627 	ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm));
628 	if (ret)
629 		goto remove_notif;
630 
631 	ret = iwl_send_phy_cfg_cmd(mvm);
632 	if (ret) {
633 		IWL_ERR(mvm, "Failed to run INIT calibrations: %d\n",
634 			ret);
635 		goto remove_notif;
636 	}
637 
638 	/*
639 	 * Some things may run in the background now, but we
640 	 * just wait for the calibration complete notification.
641 	 */
642 	ret = iwl_wait_notification(&mvm->notif_wait, &calib_wait,
643 				    MVM_UCODE_CALIB_TIMEOUT);
644 	if (!ret)
645 		goto out;
646 
647 	if (iwl_mvm_is_radio_hw_killed(mvm)) {
648 		IWL_DEBUG_RF_KILL(mvm, "RFKILL while calibrating.\n");
649 		ret = 0;
650 	} else {
651 		IWL_ERR(mvm, "Failed to run INIT calibrations: %d\n",
652 			ret);
653 	}
654 
655 	goto out;
656 
657 remove_notif:
658 	iwl_remove_notification(&mvm->notif_wait, &calib_wait);
659 out:
660 	mvm->rfkill_safe_init_done = false;
661 	if (iwlmvm_mod_params.init_dbg && !mvm->nvm_data) {
662 		/* we want to debug INIT and we have no NVM - fake */
663 		mvm->nvm_data = kzalloc(sizeof(struct iwl_nvm_data) +
664 					sizeof(struct ieee80211_channel) +
665 					sizeof(struct ieee80211_rate),
666 					GFP_KERNEL);
667 		if (!mvm->nvm_data)
668 			return -ENOMEM;
669 		mvm->nvm_data->bands[0].channels = mvm->nvm_data->channels;
670 		mvm->nvm_data->bands[0].n_channels = 1;
671 		mvm->nvm_data->bands[0].n_bitrates = 1;
672 		mvm->nvm_data->bands[0].bitrates =
673 			(void *)mvm->nvm_data->channels + 1;
674 		mvm->nvm_data->bands[0].bitrates->hw_value = 10;
675 	}
676 
677 	return ret;
678 }
679 
680 static int iwl_mvm_config_ltr(struct iwl_mvm *mvm)
681 {
682 	struct iwl_ltr_config_cmd cmd = {
683 		.flags = cpu_to_le32(LTR_CFG_FLAG_FEATURE_ENABLE),
684 	};
685 
686 	if (!mvm->trans->ltr_enabled)
687 		return 0;
688 
689 	return iwl_mvm_send_cmd_pdu(mvm, LTR_CONFIG, 0,
690 				    sizeof(cmd), &cmd);
691 }
692 
693 #ifdef CONFIG_ACPI
694 int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a, int prof_b)
695 {
696 	union {
697 		struct iwl_dev_tx_power_cmd v5;
698 		struct iwl_dev_tx_power_cmd_v4 v4;
699 	} cmd;
700 
701 	u16 len = 0;
702 
703 	cmd.v5.v3.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_CHAINS);
704 
705 	if (fw_has_api(&mvm->fw->ucode_capa,
706 		       IWL_UCODE_TLV_API_REDUCE_TX_POWER))
707 		len = sizeof(cmd.v5);
708 	else if (fw_has_capa(&mvm->fw->ucode_capa,
709 			     IWL_UCODE_TLV_CAPA_TX_POWER_ACK))
710 		len = sizeof(struct iwl_dev_tx_power_cmd_v4);
711 	else
712 		len = sizeof(cmd.v4.v3);
713 
714 
715 	if (iwl_sar_select_profile(&mvm->fwrt, cmd.v5.v3.per_chain_restriction,
716 				   prof_a, prof_b))
717 		return -ENOENT;
718 	IWL_DEBUG_RADIO(mvm, "Sending REDUCE_TX_POWER_CMD per chain\n");
719 	return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0, len, &cmd);
720 }
721 
722 int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm)
723 {
724 	union geo_tx_power_profiles_cmd geo_tx_cmd;
725 	u16 len;
726 	int ret;
727 	struct iwl_host_cmd cmd;
728 
729 	if (fw_has_api(&mvm->fwrt.fw->ucode_capa,
730 		       IWL_UCODE_TLV_API_SAR_TABLE_VER)) {
731 		geo_tx_cmd.geo_cmd.ops =
732 			cpu_to_le32(IWL_PER_CHAIN_OFFSET_GET_CURRENT_TABLE);
733 		len = sizeof(geo_tx_cmd.geo_cmd);
734 	} else {
735 		geo_tx_cmd.geo_cmd_v1.ops =
736 			cpu_to_le32(IWL_PER_CHAIN_OFFSET_GET_CURRENT_TABLE);
737 		len = sizeof(geo_tx_cmd.geo_cmd_v1);
738 	}
739 
740 	if (!iwl_sar_geo_support(&mvm->fwrt))
741 		return -EOPNOTSUPP;
742 
743 	cmd = (struct iwl_host_cmd){
744 		.id =  WIDE_ID(PHY_OPS_GROUP, GEO_TX_POWER_LIMIT),
745 		.len = { len, },
746 		.flags = CMD_WANT_SKB,
747 		.data = { &geo_tx_cmd },
748 	};
749 
750 	ret = iwl_mvm_send_cmd(mvm, &cmd);
751 	if (ret) {
752 		IWL_ERR(mvm, "Failed to get geographic profile info %d\n", ret);
753 		return ret;
754 	}
755 	ret = iwl_validate_sar_geo_profile(&mvm->fwrt, &cmd);
756 	iwl_free_resp(&cmd);
757 	return ret;
758 }
759 
760 static int iwl_mvm_sar_geo_init(struct iwl_mvm *mvm)
761 {
762 	u16 cmd_wide_id =  WIDE_ID(PHY_OPS_GROUP, GEO_TX_POWER_LIMIT);
763 	union geo_tx_power_profiles_cmd cmd;
764 	u16 len;
765 
766 	cmd.geo_cmd.ops = cpu_to_le32(IWL_PER_CHAIN_OFFSET_SET_TABLES);
767 
768 	iwl_sar_geo_init(&mvm->fwrt, cmd.geo_cmd.table);
769 
770 	cmd.geo_cmd.table_revision = cpu_to_le32(mvm->fwrt.geo_rev);
771 
772 	if (!fw_has_api(&mvm->fwrt.fw->ucode_capa,
773 			IWL_UCODE_TLV_API_SAR_TABLE_VER)) {
774 		len = sizeof(struct iwl_geo_tx_power_profiles_cmd_v1);
775 	} else {
776 		len =  sizeof(cmd.geo_cmd);
777 	}
778 
779 	return iwl_mvm_send_cmd_pdu(mvm, cmd_wide_id, 0, len, &cmd);
780 }
781 
782 static int iwl_mvm_get_ppag_table(struct iwl_mvm *mvm)
783 {
784 	union acpi_object *wifi_pkg, *data, *enabled;
785 	int i, j, ret, tbl_rev;
786 	int idx = 2;
787 
788 	mvm->fwrt.ppag_table.enabled = cpu_to_le32(0);
789 	data = iwl_acpi_get_object(mvm->dev, ACPI_PPAG_METHOD);
790 	if (IS_ERR(data))
791 		return PTR_ERR(data);
792 
793 	wifi_pkg = iwl_acpi_get_wifi_pkg(mvm->dev, data,
794 					 ACPI_PPAG_WIFI_DATA_SIZE, &tbl_rev);
795 
796 	if (IS_ERR(wifi_pkg)) {
797 		ret = PTR_ERR(wifi_pkg);
798 		goto out_free;
799 	}
800 
801 	if (tbl_rev != 0) {
802 		ret = -EINVAL;
803 		goto out_free;
804 	}
805 
806 	enabled = &wifi_pkg->package.elements[1];
807 	if (enabled->type != ACPI_TYPE_INTEGER ||
808 	    (enabled->integer.value != 0 && enabled->integer.value != 1)) {
809 		ret = -EINVAL;
810 		goto out_free;
811 	}
812 
813 	mvm->fwrt.ppag_table.enabled = cpu_to_le32(enabled->integer.value);
814 	if (!mvm->fwrt.ppag_table.enabled) {
815 		ret = 0;
816 		goto out_free;
817 	}
818 
819 	/*
820 	 * read, verify gain values and save them into the PPAG table.
821 	 * first sub-band (j=0) corresponds to Low-Band (2.4GHz), and the
822 	 * following sub-bands to High-Band (5GHz).
823 	 */
824 	for (i = 0; i < ACPI_PPAG_NUM_CHAINS; i++) {
825 		for (j = 0; j < ACPI_PPAG_NUM_SUB_BANDS; j++) {
826 			union acpi_object *ent;
827 
828 			ent = &wifi_pkg->package.elements[idx++];
829 			if (ent->type != ACPI_TYPE_INTEGER ||
830 			    (j == 0 && ent->integer.value > ACPI_PPAG_MAX_LB) ||
831 			    (j == 0 && ent->integer.value < ACPI_PPAG_MIN_LB) ||
832 			    (j != 0 && ent->integer.value > ACPI_PPAG_MAX_HB) ||
833 			    (j != 0 && ent->integer.value < ACPI_PPAG_MIN_HB)) {
834 				mvm->fwrt.ppag_table.enabled = cpu_to_le32(0);
835 				ret = -EINVAL;
836 				goto out_free;
837 			}
838 			mvm->fwrt.ppag_table.gain[i][j] = ent->integer.value;
839 		}
840 	}
841 	ret = 0;
842 out_free:
843 	kfree(data);
844 	return ret;
845 }
846 
847 int iwl_mvm_ppag_send_cmd(struct iwl_mvm *mvm)
848 {
849 	int i, j, ret;
850 
851 	if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_SET_PPAG)) {
852 		IWL_DEBUG_RADIO(mvm,
853 				"PPAG capability not supported by FW, command not sent.\n");
854 		return 0;
855 	}
856 
857 	if (!mvm->fwrt.ppag_table.enabled) {
858 		IWL_DEBUG_RADIO(mvm,
859 				"PPAG not enabled, command not sent.\n");
860 		return 0;
861 	}
862 
863 	IWL_DEBUG_RADIO(mvm, "Sending PER_PLATFORM_ANT_GAIN_CMD\n");
864 
865 	for (i = 0; i < ACPI_PPAG_NUM_CHAINS; i++) {
866 		for (j = 0; j < ACPI_PPAG_NUM_SUB_BANDS; j++) {
867 			IWL_DEBUG_RADIO(mvm,
868 					"PPAG table: chain[%d] band[%d]: gain = %d\n",
869 					i, j, mvm->fwrt.ppag_table.gain[i][j]);
870 		}
871 	}
872 
873 	ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(PHY_OPS_GROUP,
874 						PER_PLATFORM_ANT_GAIN_CMD),
875 				   0, sizeof(mvm->fwrt.ppag_table),
876 				   &mvm->fwrt.ppag_table);
877 	if (ret < 0)
878 		IWL_ERR(mvm, "failed to send PER_PLATFORM_ANT_GAIN_CMD (%d)\n",
879 			ret);
880 
881 	return ret;
882 }
883 
884 static int iwl_mvm_ppag_init(struct iwl_mvm *mvm)
885 {
886 	int ret;
887 
888 	ret = iwl_mvm_get_ppag_table(mvm);
889 	if (ret < 0) {
890 		IWL_DEBUG_RADIO(mvm,
891 				"PPAG BIOS table invalid or unavailable. (%d)\n",
892 				ret);
893 		return 0;
894 	}
895 	return iwl_mvm_ppag_send_cmd(mvm);
896 }
897 
898 #else /* CONFIG_ACPI */
899 
900 inline int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm,
901 				      int prof_a, int prof_b)
902 {
903 	return -ENOENT;
904 }
905 
906 inline int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm)
907 {
908 	return -ENOENT;
909 }
910 
911 static int iwl_mvm_sar_geo_init(struct iwl_mvm *mvm)
912 {
913 	return 0;
914 }
915 
916 int iwl_mvm_ppag_send_cmd(struct iwl_mvm *mvm)
917 {
918 	return -ENOENT;
919 }
920 
921 static int iwl_mvm_ppag_init(struct iwl_mvm *mvm)
922 {
923 	return 0;
924 }
925 #endif /* CONFIG_ACPI */
926 
927 void iwl_mvm_send_recovery_cmd(struct iwl_mvm *mvm, u32 flags)
928 {
929 	u32 error_log_size = mvm->fw->ucode_capa.error_log_size;
930 	int ret;
931 	u32 resp;
932 
933 	struct iwl_fw_error_recovery_cmd recovery_cmd = {
934 		.flags = cpu_to_le32(flags),
935 		.buf_size = 0,
936 	};
937 	struct iwl_host_cmd host_cmd = {
938 		.id = WIDE_ID(SYSTEM_GROUP, FW_ERROR_RECOVERY_CMD),
939 		.flags = CMD_WANT_SKB,
940 		.data = {&recovery_cmd, },
941 		.len = {sizeof(recovery_cmd), },
942 	};
943 
944 	/* no error log was defined in TLV */
945 	if (!error_log_size)
946 		return;
947 
948 	if (flags & ERROR_RECOVERY_UPDATE_DB) {
949 		/* no buf was allocated while HW reset */
950 		if (!mvm->error_recovery_buf)
951 			return;
952 
953 		host_cmd.data[1] = mvm->error_recovery_buf;
954 		host_cmd.len[1] =  error_log_size;
955 		host_cmd.dataflags[1] = IWL_HCMD_DFL_NOCOPY;
956 		recovery_cmd.buf_size = cpu_to_le32(error_log_size);
957 	}
958 
959 	ret = iwl_mvm_send_cmd(mvm, &host_cmd);
960 	kfree(mvm->error_recovery_buf);
961 	mvm->error_recovery_buf = NULL;
962 
963 	if (ret) {
964 		IWL_ERR(mvm, "Failed to send recovery cmd %d\n", ret);
965 		return;
966 	}
967 
968 	/* skb respond is only relevant in ERROR_RECOVERY_UPDATE_DB */
969 	if (flags & ERROR_RECOVERY_UPDATE_DB) {
970 		resp = le32_to_cpu(*(__le32 *)host_cmd.resp_pkt->data);
971 		if (resp)
972 			IWL_ERR(mvm,
973 				"Failed to send recovery cmd blob was invalid %d\n",
974 				resp);
975 	}
976 }
977 
978 static int iwl_mvm_sar_init(struct iwl_mvm *mvm)
979 {
980 	int ret;
981 
982 	ret = iwl_sar_get_wrds_table(&mvm->fwrt);
983 	if (ret < 0) {
984 		IWL_DEBUG_RADIO(mvm,
985 				"WRDS SAR BIOS table invalid or unavailable. (%d)\n",
986 				ret);
987 		/*
988 		 * If not available, don't fail and don't bother with EWRD.
989 		 * Return 1 to tell that we can't use WGDS either.
990 		 */
991 		return 1;
992 	}
993 
994 	ret = iwl_sar_get_ewrd_table(&mvm->fwrt);
995 	/* if EWRD is not available, we can still use WRDS, so don't fail */
996 	if (ret < 0)
997 		IWL_DEBUG_RADIO(mvm,
998 				"EWRD SAR BIOS table invalid or unavailable. (%d)\n",
999 				ret);
1000 
1001 	ret = iwl_mvm_sar_select_profile(mvm, 1, 1);
1002 	/*
1003 	 * If we don't have profile 0 from BIOS, just skip it.  This
1004 	 * means that SAR Geo will not be enabled either, even if we
1005 	 * have other valid profiles.
1006 	 */
1007 	if (ret == -ENOENT)
1008 		return 1;
1009 
1010 	return ret;
1011 }
1012 
1013 static int iwl_mvm_load_rt_fw(struct iwl_mvm *mvm)
1014 {
1015 	int ret;
1016 
1017 	if (iwl_mvm_has_unified_ucode(mvm))
1018 		return iwl_run_unified_mvm_ucode(mvm, false);
1019 
1020 	ret = iwl_run_init_mvm_ucode(mvm, false);
1021 
1022 	if (ret) {
1023 		IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", ret);
1024 
1025 		if (iwlmvm_mod_params.init_dbg)
1026 			return 0;
1027 		return ret;
1028 	}
1029 
1030 	iwl_fw_dbg_stop_sync(&mvm->fwrt);
1031 	iwl_trans_stop_device(mvm->trans);
1032 	ret = iwl_trans_start_hw(mvm->trans);
1033 	if (ret)
1034 		return ret;
1035 
1036 	iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_EARLY, NULL);
1037 
1038 	mvm->rfkill_safe_init_done = false;
1039 	ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_REGULAR);
1040 	if (ret)
1041 		return ret;
1042 
1043 	mvm->rfkill_safe_init_done = true;
1044 
1045 	iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_AFTER_ALIVE,
1046 			       NULL);
1047 
1048 	return iwl_init_paging(&mvm->fwrt, mvm->fwrt.cur_fw_img);
1049 }
1050 
1051 int iwl_mvm_up(struct iwl_mvm *mvm)
1052 {
1053 	int ret, i;
1054 	struct ieee80211_channel *chan;
1055 	struct cfg80211_chan_def chandef;
1056 	struct ieee80211_supported_band *sband = NULL;
1057 
1058 	lockdep_assert_held(&mvm->mutex);
1059 
1060 	ret = iwl_trans_start_hw(mvm->trans);
1061 	if (ret)
1062 		return ret;
1063 
1064 	ret = iwl_mvm_load_rt_fw(mvm);
1065 	if (ret) {
1066 		IWL_ERR(mvm, "Failed to start RT ucode: %d\n", ret);
1067 		if (ret != -ERFKILL)
1068 			iwl_fw_dbg_error_collect(&mvm->fwrt,
1069 						 FW_DBG_TRIGGER_DRIVER);
1070 		goto error;
1071 	}
1072 
1073 	iwl_get_shared_mem_conf(&mvm->fwrt);
1074 
1075 	ret = iwl_mvm_sf_update(mvm, NULL, false);
1076 	if (ret)
1077 		IWL_ERR(mvm, "Failed to initialize Smart Fifo\n");
1078 
1079 	if (!iwl_trans_dbg_ini_valid(mvm->trans)) {
1080 		mvm->fwrt.dump.conf = FW_DBG_INVALID;
1081 		/* if we have a destination, assume EARLY START */
1082 		if (mvm->fw->dbg.dest_tlv)
1083 			mvm->fwrt.dump.conf = FW_DBG_START_FROM_ALIVE;
1084 		iwl_fw_start_dbg_conf(&mvm->fwrt, FW_DBG_START_FROM_ALIVE);
1085 	}
1086 
1087 	ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm));
1088 	if (ret)
1089 		goto error;
1090 
1091 	if (!iwl_mvm_has_unified_ucode(mvm)) {
1092 		/* Send phy db control command and then phy db calibration */
1093 		ret = iwl_send_phy_db_data(mvm->phy_db);
1094 		if (ret)
1095 			goto error;
1096 	}
1097 
1098 	ret = iwl_send_phy_cfg_cmd(mvm);
1099 	if (ret)
1100 		goto error;
1101 
1102 	ret = iwl_mvm_send_bt_init_conf(mvm);
1103 	if (ret)
1104 		goto error;
1105 
1106 	/* Init RSS configuration */
1107 	if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_22000) {
1108 		ret = iwl_configure_rxq(mvm);
1109 		if (ret) {
1110 			IWL_ERR(mvm, "Failed to configure RX queues: %d\n",
1111 				ret);
1112 			goto error;
1113 		}
1114 	}
1115 
1116 	if (iwl_mvm_has_new_rx_api(mvm)) {
1117 		ret = iwl_send_rss_cfg_cmd(mvm);
1118 		if (ret) {
1119 			IWL_ERR(mvm, "Failed to configure RSS queues: %d\n",
1120 				ret);
1121 			goto error;
1122 		}
1123 	}
1124 
1125 	/* init the fw <-> mac80211 STA mapping */
1126 	for (i = 0; i < ARRAY_SIZE(mvm->fw_id_to_mac_id); i++)
1127 		RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL);
1128 
1129 	mvm->tdls_cs.peer.sta_id = IWL_MVM_INVALID_STA;
1130 
1131 	/* reset quota debouncing buffer - 0xff will yield invalid data */
1132 	memset(&mvm->last_quota_cmd, 0xff, sizeof(mvm->last_quota_cmd));
1133 
1134 	if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_DQA_SUPPORT)) {
1135 		ret = iwl_mvm_send_dqa_cmd(mvm);
1136 		if (ret)
1137 			goto error;
1138 	}
1139 
1140 	/* Add auxiliary station for scanning */
1141 	ret = iwl_mvm_add_aux_sta(mvm);
1142 	if (ret)
1143 		goto error;
1144 
1145 	/* Add all the PHY contexts */
1146 	i = 0;
1147 	while (!sband && i < NUM_NL80211_BANDS)
1148 		sband = mvm->hw->wiphy->bands[i++];
1149 
1150 	if (WARN_ON_ONCE(!sband))
1151 		goto error;
1152 
1153 	chan = &sband->channels[0];
1154 
1155 	cfg80211_chandef_create(&chandef, chan, NL80211_CHAN_NO_HT);
1156 	for (i = 0; i < NUM_PHY_CTX; i++) {
1157 		/*
1158 		 * The channel used here isn't relevant as it's
1159 		 * going to be overwritten in the other flows.
1160 		 * For now use the first channel we have.
1161 		 */
1162 		ret = iwl_mvm_phy_ctxt_add(mvm, &mvm->phy_ctxts[i],
1163 					   &chandef, 1, 1);
1164 		if (ret)
1165 			goto error;
1166 	}
1167 
1168 	if (iwl_mvm_is_tt_in_fw(mvm)) {
1169 		/* in order to give the responsibility of ct-kill and
1170 		 * TX backoff to FW we need to send empty temperature reporting
1171 		 * cmd during init time
1172 		 */
1173 		iwl_mvm_send_temp_report_ths_cmd(mvm);
1174 	} else {
1175 		/* Initialize tx backoffs to the minimal possible */
1176 		iwl_mvm_tt_tx_backoff(mvm, 0);
1177 	}
1178 
1179 #ifdef CONFIG_THERMAL
1180 	/* TODO: read the budget from BIOS / Platform NVM */
1181 
1182 	/*
1183 	 * In case there is no budget from BIOS / Platform NVM the default
1184 	 * budget should be 2000mW (cooling state 0).
1185 	 */
1186 	if (iwl_mvm_is_ctdp_supported(mvm)) {
1187 		ret = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_START,
1188 					   mvm->cooling_dev.cur_state);
1189 		if (ret)
1190 			goto error;
1191 	}
1192 #endif
1193 
1194 	if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_SET_LTR_GEN2))
1195 		WARN_ON(iwl_mvm_config_ltr(mvm));
1196 
1197 	ret = iwl_mvm_power_update_device(mvm);
1198 	if (ret)
1199 		goto error;
1200 
1201 	/*
1202 	 * RTNL is not taken during Ct-kill, but we don't need to scan/Tx
1203 	 * anyway, so don't init MCC.
1204 	 */
1205 	if (!test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status)) {
1206 		ret = iwl_mvm_init_mcc(mvm);
1207 		if (ret)
1208 			goto error;
1209 	}
1210 
1211 	if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) {
1212 		mvm->scan_type = IWL_SCAN_TYPE_NOT_SET;
1213 		mvm->hb_scan_type = IWL_SCAN_TYPE_NOT_SET;
1214 		ret = iwl_mvm_config_scan(mvm);
1215 		if (ret)
1216 			goto error;
1217 	}
1218 
1219 	if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
1220 		iwl_mvm_send_recovery_cmd(mvm, ERROR_RECOVERY_UPDATE_DB);
1221 
1222 	if (iwl_acpi_get_eckv(mvm->dev, &mvm->ext_clock_valid))
1223 		IWL_DEBUG_INFO(mvm, "ECKV table doesn't exist in BIOS\n");
1224 
1225 	ret = iwl_mvm_ppag_init(mvm);
1226 	if (ret)
1227 		goto error;
1228 
1229 	ret = iwl_mvm_sar_init(mvm);
1230 	if (ret == 0) {
1231 		ret = iwl_mvm_sar_geo_init(mvm);
1232 	} else if (ret > 0 && !iwl_sar_get_wgds_table(&mvm->fwrt)) {
1233 		/*
1234 		 * If basic SAR is not available, we check for WGDS,
1235 		 * which should *not* be available either.  If it is
1236 		 * available, issue an error, because we can't use SAR
1237 		 * Geo without basic SAR.
1238 		 */
1239 		IWL_ERR(mvm, "BIOS contains WGDS but no WRDS\n");
1240 	}
1241 
1242 	if (ret < 0)
1243 		goto error;
1244 
1245 	iwl_mvm_leds_sync(mvm);
1246 
1247 	IWL_DEBUG_INFO(mvm, "RT uCode started.\n");
1248 	return 0;
1249  error:
1250 	if (!iwlmvm_mod_params.init_dbg || !ret)
1251 		iwl_mvm_stop_device(mvm);
1252 	return ret;
1253 }
1254 
1255 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm)
1256 {
1257 	int ret, i;
1258 
1259 	lockdep_assert_held(&mvm->mutex);
1260 
1261 	ret = iwl_trans_start_hw(mvm->trans);
1262 	if (ret)
1263 		return ret;
1264 
1265 	ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_WOWLAN);
1266 	if (ret) {
1267 		IWL_ERR(mvm, "Failed to start WoWLAN firmware: %d\n", ret);
1268 		goto error;
1269 	}
1270 
1271 	ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm));
1272 	if (ret)
1273 		goto error;
1274 
1275 	/* Send phy db control command and then phy db calibration*/
1276 	ret = iwl_send_phy_db_data(mvm->phy_db);
1277 	if (ret)
1278 		goto error;
1279 
1280 	ret = iwl_send_phy_cfg_cmd(mvm);
1281 	if (ret)
1282 		goto error;
1283 
1284 	/* init the fw <-> mac80211 STA mapping */
1285 	for (i = 0; i < ARRAY_SIZE(mvm->fw_id_to_mac_id); i++)
1286 		RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL);
1287 
1288 	/* Add auxiliary station for scanning */
1289 	ret = iwl_mvm_add_aux_sta(mvm);
1290 	if (ret)
1291 		goto error;
1292 
1293 	return 0;
1294  error:
1295 	iwl_mvm_stop_device(mvm);
1296 	return ret;
1297 }
1298 
1299 void iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
1300 				 struct iwl_rx_cmd_buffer *rxb)
1301 {
1302 	struct iwl_rx_packet *pkt = rxb_addr(rxb);
1303 	struct iwl_card_state_notif *card_state_notif = (void *)pkt->data;
1304 	u32 flags = le32_to_cpu(card_state_notif->flags);
1305 
1306 	IWL_DEBUG_RF_KILL(mvm, "Card state received: HW:%s SW:%s CT:%s\n",
1307 			  (flags & HW_CARD_DISABLED) ? "Kill" : "On",
1308 			  (flags & SW_CARD_DISABLED) ? "Kill" : "On",
1309 			  (flags & CT_KILL_CARD_DISABLED) ?
1310 			  "Reached" : "Not reached");
1311 }
1312 
1313 void iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm,
1314 			     struct iwl_rx_cmd_buffer *rxb)
1315 {
1316 	struct iwl_rx_packet *pkt = rxb_addr(rxb);
1317 	struct iwl_mfuart_load_notif *mfuart_notif = (void *)pkt->data;
1318 
1319 	IWL_DEBUG_INFO(mvm,
1320 		       "MFUART: installed ver: 0x%08x, external ver: 0x%08x, status: 0x%08x, duration: 0x%08x\n",
1321 		       le32_to_cpu(mfuart_notif->installed_ver),
1322 		       le32_to_cpu(mfuart_notif->external_ver),
1323 		       le32_to_cpu(mfuart_notif->status),
1324 		       le32_to_cpu(mfuart_notif->duration));
1325 
1326 	if (iwl_rx_packet_payload_len(pkt) == sizeof(*mfuart_notif))
1327 		IWL_DEBUG_INFO(mvm,
1328 			       "MFUART: image size: 0x%08x\n",
1329 			       le32_to_cpu(mfuart_notif->image_size));
1330 }
1331