1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
2 /*
3  * Copyright (C) 2012-2014, 2018-2021 Intel Corporation
4  * Copyright (C) 2013-2015 Intel Mobile Communications GmbH
5  * Copyright (C) 2016-2017 Intel Deutschland GmbH
6  */
7 #include <net/mac80211.h>
8 #include <linux/netdevice.h>
9 #include <linux/dmi.h>
10 
11 #include "iwl-trans.h"
12 #include "iwl-op-mode.h"
13 #include "fw/img.h"
14 #include "iwl-debug.h"
15 #include "iwl-csr.h" /* for iwl_mvm_rx_card_state_notif */
16 #include "iwl-io.h" /* for iwl_mvm_rx_card_state_notif */
17 #include "iwl-prph.h"
18 #include "fw/acpi.h"
19 #include "fw/pnvm.h"
20 
21 #include "mvm.h"
22 #include "fw/dbg.h"
23 #include "iwl-phy-db.h"
24 #include "iwl-modparams.h"
25 #include "iwl-nvm-parse.h"
26 
27 #define MVM_UCODE_ALIVE_TIMEOUT	(HZ)
28 #define MVM_UCODE_CALIB_TIMEOUT	(2 * HZ)
29 
30 #define UCODE_VALID_OK	cpu_to_le32(0x1)
31 
32 #define IWL_PPAG_MASK 3
33 #define IWL_PPAG_ETSI_MASK BIT(0)
34 
35 struct iwl_mvm_alive_data {
36 	bool valid;
37 	u32 scd_base_addr;
38 };
39 
iwl_send_tx_ant_cfg(struct iwl_mvm * mvm,u8 valid_tx_ant)40 static int iwl_send_tx_ant_cfg(struct iwl_mvm *mvm, u8 valid_tx_ant)
41 {
42 	struct iwl_tx_ant_cfg_cmd tx_ant_cmd = {
43 		.valid = cpu_to_le32(valid_tx_ant),
44 	};
45 
46 	IWL_DEBUG_FW(mvm, "select valid tx ant: %u\n", valid_tx_ant);
47 	return iwl_mvm_send_cmd_pdu(mvm, TX_ANT_CONFIGURATION_CMD, 0,
48 				    sizeof(tx_ant_cmd), &tx_ant_cmd);
49 }
50 
iwl_send_rss_cfg_cmd(struct iwl_mvm * mvm)51 static int iwl_send_rss_cfg_cmd(struct iwl_mvm *mvm)
52 {
53 	int i;
54 	struct iwl_rss_config_cmd cmd = {
55 		.flags = cpu_to_le32(IWL_RSS_ENABLE),
56 		.hash_mask = BIT(IWL_RSS_HASH_TYPE_IPV4_TCP) |
57 			     BIT(IWL_RSS_HASH_TYPE_IPV4_UDP) |
58 			     BIT(IWL_RSS_HASH_TYPE_IPV4_PAYLOAD) |
59 			     BIT(IWL_RSS_HASH_TYPE_IPV6_TCP) |
60 			     BIT(IWL_RSS_HASH_TYPE_IPV6_UDP) |
61 			     BIT(IWL_RSS_HASH_TYPE_IPV6_PAYLOAD),
62 	};
63 
64 	if (mvm->trans->num_rx_queues == 1)
65 		return 0;
66 
67 	/* Do not direct RSS traffic to Q 0 which is our fallback queue */
68 	for (i = 0; i < ARRAY_SIZE(cmd.indirection_table); i++)
69 		cmd.indirection_table[i] =
70 			1 + (i % (mvm->trans->num_rx_queues - 1));
71 	netdev_rss_key_fill(cmd.secret_key, sizeof(cmd.secret_key));
72 
73 	return iwl_mvm_send_cmd_pdu(mvm, RSS_CONFIG_CMD, 0, sizeof(cmd), &cmd);
74 }
75 
iwl_mvm_send_dqa_cmd(struct iwl_mvm * mvm)76 static int iwl_mvm_send_dqa_cmd(struct iwl_mvm *mvm)
77 {
78 	struct iwl_dqa_enable_cmd dqa_cmd = {
79 		.cmd_queue = cpu_to_le32(IWL_MVM_DQA_CMD_QUEUE),
80 	};
81 	u32 cmd_id = iwl_cmd_id(DQA_ENABLE_CMD, DATA_PATH_GROUP, 0);
82 	int ret;
83 
84 	ret = iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, sizeof(dqa_cmd), &dqa_cmd);
85 	if (ret)
86 		IWL_ERR(mvm, "Failed to send DQA enabling command: %d\n", ret);
87 	else
88 		IWL_DEBUG_FW(mvm, "Working in DQA mode\n");
89 
90 	return ret;
91 }
92 
iwl_mvm_mfu_assert_dump_notif(struct iwl_mvm * mvm,struct iwl_rx_cmd_buffer * rxb)93 void iwl_mvm_mfu_assert_dump_notif(struct iwl_mvm *mvm,
94 				   struct iwl_rx_cmd_buffer *rxb)
95 {
96 	struct iwl_rx_packet *pkt = rxb_addr(rxb);
97 	struct iwl_mfu_assert_dump_notif *mfu_dump_notif = (void *)pkt->data;
98 	__le32 *dump_data = mfu_dump_notif->data;
99 	int n_words = le32_to_cpu(mfu_dump_notif->data_size) / sizeof(__le32);
100 	int i;
101 
102 	if (mfu_dump_notif->index_num == 0)
103 		IWL_INFO(mvm, "MFUART assert id 0x%x occurred\n",
104 			 le32_to_cpu(mfu_dump_notif->assert_id));
105 
106 	for (i = 0; i < n_words; i++)
107 		IWL_DEBUG_INFO(mvm,
108 			       "MFUART assert dump, dword %u: 0x%08x\n",
109 			       le16_to_cpu(mfu_dump_notif->index_num) *
110 			       n_words + i,
111 			       le32_to_cpu(dump_data[i]));
112 }
113 
iwl_alive_fn(struct iwl_notif_wait_data * notif_wait,struct iwl_rx_packet * pkt,void * data)114 static bool iwl_alive_fn(struct iwl_notif_wait_data *notif_wait,
115 			 struct iwl_rx_packet *pkt, void *data)
116 {
117 	unsigned int pkt_len = iwl_rx_packet_payload_len(pkt);
118 	struct iwl_mvm *mvm =
119 		container_of(notif_wait, struct iwl_mvm, notif_wait);
120 	struct iwl_mvm_alive_data *alive_data = data;
121 	struct iwl_umac_alive *umac;
122 	struct iwl_lmac_alive *lmac1;
123 	struct iwl_lmac_alive *lmac2 = NULL;
124 	u16 status;
125 	u32 lmac_error_event_table, umac_error_table;
126 
127 	/*
128 	 * For v5 and above, we can check the version, for older
129 	 * versions we need to check the size.
130 	 */
131 	if (iwl_fw_lookup_notif_ver(mvm->fw, LEGACY_GROUP,
132 				    UCODE_ALIVE_NTFY, 0) == 5) {
133 		struct iwl_alive_ntf_v5 *palive;
134 
135 		if (pkt_len < sizeof(*palive))
136 			return false;
137 
138 		palive = (void *)pkt->data;
139 		umac = &palive->umac_data;
140 		lmac1 = &palive->lmac_data[0];
141 		lmac2 = &palive->lmac_data[1];
142 		status = le16_to_cpu(palive->status);
143 
144 		mvm->trans->sku_id[0] = le32_to_cpu(palive->sku_id.data[0]);
145 		mvm->trans->sku_id[1] = le32_to_cpu(palive->sku_id.data[1]);
146 		mvm->trans->sku_id[2] = le32_to_cpu(palive->sku_id.data[2]);
147 
148 		IWL_DEBUG_FW(mvm, "Got sku_id: 0x0%x 0x0%x 0x0%x\n",
149 			     mvm->trans->sku_id[0],
150 			     mvm->trans->sku_id[1],
151 			     mvm->trans->sku_id[2]);
152 	} else if (iwl_rx_packet_payload_len(pkt) == sizeof(struct iwl_alive_ntf_v4)) {
153 		struct iwl_alive_ntf_v4 *palive;
154 
155 		if (pkt_len < sizeof(*palive))
156 			return false;
157 
158 		palive = (void *)pkt->data;
159 		umac = &palive->umac_data;
160 		lmac1 = &palive->lmac_data[0];
161 		lmac2 = &palive->lmac_data[1];
162 		status = le16_to_cpu(palive->status);
163 	} else if (iwl_rx_packet_payload_len(pkt) ==
164 		   sizeof(struct iwl_alive_ntf_v3)) {
165 		struct iwl_alive_ntf_v3 *palive3;
166 
167 		if (pkt_len < sizeof(*palive3))
168 			return false;
169 
170 		palive3 = (void *)pkt->data;
171 		umac = &palive3->umac_data;
172 		lmac1 = &palive3->lmac_data;
173 		status = le16_to_cpu(palive3->status);
174 	} else {
175 		WARN(1, "unsupported alive notification (size %d)\n",
176 		     iwl_rx_packet_payload_len(pkt));
177 		/* get timeout later */
178 		return false;
179 	}
180 
181 	lmac_error_event_table =
182 		le32_to_cpu(lmac1->dbg_ptrs.error_event_table_ptr);
183 	iwl_fw_lmac1_set_alive_err_table(mvm->trans, lmac_error_event_table);
184 
185 	if (lmac2)
186 		mvm->trans->dbg.lmac_error_event_table[1] =
187 			le32_to_cpu(lmac2->dbg_ptrs.error_event_table_ptr);
188 
189 	umac_error_table = le32_to_cpu(umac->dbg_ptrs.error_info_addr) &
190 							~FW_ADDR_CACHE_CONTROL;
191 
192 	if (umac_error_table) {
193 		if (umac_error_table >=
194 		    mvm->trans->cfg->min_umac_error_event_table) {
195 			iwl_fw_umac_set_alive_err_table(mvm->trans,
196 							umac_error_table);
197 		} else {
198 			IWL_ERR(mvm,
199 				"Not valid error log pointer 0x%08X for %s uCode\n",
200 				umac_error_table,
201 				(mvm->fwrt.cur_fw_img == IWL_UCODE_INIT) ?
202 				"Init" : "RT");
203 		}
204 	}
205 
206 	alive_data->scd_base_addr = le32_to_cpu(lmac1->dbg_ptrs.scd_base_ptr);
207 	alive_data->valid = status == IWL_ALIVE_STATUS_OK;
208 
209 	IWL_DEBUG_FW(mvm,
210 		     "Alive ucode status 0x%04x revision 0x%01X 0x%01X\n",
211 		     status, lmac1->ver_type, lmac1->ver_subtype);
212 
213 	if (lmac2)
214 		IWL_DEBUG_FW(mvm, "Alive ucode CDB\n");
215 
216 	IWL_DEBUG_FW(mvm,
217 		     "UMAC version: Major - 0x%x, Minor - 0x%x\n",
218 		     le32_to_cpu(umac->umac_major),
219 		     le32_to_cpu(umac->umac_minor));
220 
221 	iwl_fwrt_update_fw_versions(&mvm->fwrt, lmac1, umac);
222 
223 	return true;
224 }
225 
iwl_wait_init_complete(struct iwl_notif_wait_data * notif_wait,struct iwl_rx_packet * pkt,void * data)226 static bool iwl_wait_init_complete(struct iwl_notif_wait_data *notif_wait,
227 				   struct iwl_rx_packet *pkt, void *data)
228 {
229 	WARN_ON(pkt->hdr.cmd != INIT_COMPLETE_NOTIF);
230 
231 	return true;
232 }
233 
iwl_wait_phy_db_entry(struct iwl_notif_wait_data * notif_wait,struct iwl_rx_packet * pkt,void * data)234 static bool iwl_wait_phy_db_entry(struct iwl_notif_wait_data *notif_wait,
235 				  struct iwl_rx_packet *pkt, void *data)
236 {
237 	struct iwl_phy_db *phy_db = data;
238 
239 	if (pkt->hdr.cmd != CALIB_RES_NOTIF_PHY_DB) {
240 		WARN_ON(pkt->hdr.cmd != INIT_COMPLETE_NOTIF);
241 		return true;
242 	}
243 
244 	WARN_ON(iwl_phy_db_set_section(phy_db, pkt));
245 
246 	return false;
247 }
248 
iwl_mvm_load_ucode_wait_alive(struct iwl_mvm * mvm,enum iwl_ucode_type ucode_type)249 static int iwl_mvm_load_ucode_wait_alive(struct iwl_mvm *mvm,
250 					 enum iwl_ucode_type ucode_type)
251 {
252 	struct iwl_notification_wait alive_wait;
253 	struct iwl_mvm_alive_data alive_data = {};
254 	const struct fw_img *fw;
255 	int ret;
256 	enum iwl_ucode_type old_type = mvm->fwrt.cur_fw_img;
257 	static const u16 alive_cmd[] = { UCODE_ALIVE_NTFY };
258 	bool run_in_rfkill =
259 		ucode_type == IWL_UCODE_INIT || iwl_mvm_has_unified_ucode(mvm);
260 
261 	if (ucode_type == IWL_UCODE_REGULAR &&
262 	    iwl_fw_dbg_conf_usniffer(mvm->fw, FW_DBG_START_FROM_ALIVE) &&
263 	    !(fw_has_capa(&mvm->fw->ucode_capa,
264 			  IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED)))
265 		fw = iwl_get_ucode_image(mvm->fw, IWL_UCODE_REGULAR_USNIFFER);
266 	else
267 		fw = iwl_get_ucode_image(mvm->fw, ucode_type);
268 	if (WARN_ON(!fw))
269 		return -EINVAL;
270 	iwl_fw_set_current_image(&mvm->fwrt, ucode_type);
271 	clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status);
272 
273 	iwl_init_notification_wait(&mvm->notif_wait, &alive_wait,
274 				   alive_cmd, ARRAY_SIZE(alive_cmd),
275 				   iwl_alive_fn, &alive_data);
276 
277 	/*
278 	 * We want to load the INIT firmware even in RFKILL
279 	 * For the unified firmware case, the ucode_type is not
280 	 * INIT, but we still need to run it.
281 	 */
282 	ret = iwl_trans_start_fw(mvm->trans, fw, run_in_rfkill);
283 	if (ret) {
284 		iwl_fw_set_current_image(&mvm->fwrt, old_type);
285 		iwl_remove_notification(&mvm->notif_wait, &alive_wait);
286 		return ret;
287 	}
288 
289 	/*
290 	 * Some things may run in the background now, but we
291 	 * just wait for the ALIVE notification here.
292 	 */
293 	ret = iwl_wait_notification(&mvm->notif_wait, &alive_wait,
294 				    MVM_UCODE_ALIVE_TIMEOUT);
295 	if (ret) {
296 		struct iwl_trans *trans = mvm->trans;
297 
298 		if (trans->trans_cfg->device_family >=
299 					IWL_DEVICE_FAMILY_22000) {
300 			IWL_ERR(mvm,
301 				"SecBoot CPU1 Status: 0x%x, CPU2 Status: 0x%x\n",
302 				iwl_read_umac_prph(trans, UMAG_SB_CPU_1_STATUS),
303 				iwl_read_umac_prph(trans,
304 						   UMAG_SB_CPU_2_STATUS));
305 			IWL_ERR(mvm, "UMAC PC: 0x%x\n",
306 				iwl_read_umac_prph(trans,
307 						   UREG_UMAC_CURRENT_PC));
308 			IWL_ERR(mvm, "LMAC PC: 0x%x\n",
309 				iwl_read_umac_prph(trans,
310 						   UREG_LMAC1_CURRENT_PC));
311 			if (iwl_mvm_is_cdb_supported(mvm))
312 				IWL_ERR(mvm, "LMAC2 PC: 0x%x\n",
313 					iwl_read_umac_prph(trans,
314 						UREG_LMAC2_CURRENT_PC));
315 		} else if (trans->trans_cfg->device_family >=
316 			   IWL_DEVICE_FAMILY_8000) {
317 			IWL_ERR(mvm,
318 				"SecBoot CPU1 Status: 0x%x, CPU2 Status: 0x%x\n",
319 				iwl_read_prph(trans, SB_CPU_1_STATUS),
320 				iwl_read_prph(trans, SB_CPU_2_STATUS));
321 		}
322 
323 		if (ret == -ETIMEDOUT)
324 			iwl_fw_dbg_error_collect(&mvm->fwrt,
325 						 FW_DBG_TRIGGER_ALIVE_TIMEOUT);
326 
327 		iwl_fw_set_current_image(&mvm->fwrt, old_type);
328 		return ret;
329 	}
330 
331 	if (!alive_data.valid) {
332 		IWL_ERR(mvm, "Loaded ucode is not valid!\n");
333 		iwl_fw_set_current_image(&mvm->fwrt, old_type);
334 		return -EIO;
335 	}
336 
337 	ret = iwl_pnvm_load(mvm->trans, &mvm->notif_wait);
338 	if (ret) {
339 		IWL_ERR(mvm, "Timeout waiting for PNVM load!\n");
340 		iwl_fw_set_current_image(&mvm->fwrt, old_type);
341 		return ret;
342 	}
343 
344 	iwl_trans_fw_alive(mvm->trans, alive_data.scd_base_addr);
345 
346 	/*
347 	 * Note: all the queues are enabled as part of the interface
348 	 * initialization, but in firmware restart scenarios they
349 	 * could be stopped, so wake them up. In firmware restart,
350 	 * mac80211 will have the queues stopped as well until the
351 	 * reconfiguration completes. During normal startup, they
352 	 * will be empty.
353 	 */
354 
355 	memset(&mvm->queue_info, 0, sizeof(mvm->queue_info));
356 	/*
357 	 * Set a 'fake' TID for the command queue, since we use the
358 	 * hweight() of the tid_bitmap as a refcount now. Not that
359 	 * we ever even consider the command queue as one we might
360 	 * want to reuse, but be safe nevertheless.
361 	 */
362 	mvm->queue_info[IWL_MVM_DQA_CMD_QUEUE].tid_bitmap =
363 		BIT(IWL_MAX_TID_COUNT + 2);
364 
365 	set_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status);
366 #ifdef CONFIG_IWLWIFI_DEBUGFS
367 	iwl_fw_set_dbg_rec_on(&mvm->fwrt);
368 #endif
369 
370 	/*
371 	 * All the BSSes in the BSS table include the GP2 in the system
372 	 * at the beacon Rx time, this is of course no longer relevant
373 	 * since we are resetting the firmware.
374 	 * Purge all the BSS table.
375 	 */
376 	cfg80211_bss_flush(mvm->hw->wiphy);
377 
378 	return 0;
379 }
380 
iwl_run_unified_mvm_ucode(struct iwl_mvm * mvm)381 static int iwl_run_unified_mvm_ucode(struct iwl_mvm *mvm)
382 {
383 	struct iwl_notification_wait init_wait;
384 	struct iwl_nvm_access_complete_cmd nvm_complete = {};
385 	struct iwl_init_extended_cfg_cmd init_cfg = {
386 		.init_flags = cpu_to_le32(BIT(IWL_INIT_NVM)),
387 	};
388 	static const u16 init_complete[] = {
389 		INIT_COMPLETE_NOTIF,
390 	};
391 	int ret;
392 
393 	if (mvm->trans->cfg->tx_with_siso_diversity)
394 		init_cfg.init_flags |= cpu_to_le32(BIT(IWL_INIT_PHY));
395 
396 	lockdep_assert_held(&mvm->mutex);
397 
398 	mvm->rfkill_safe_init_done = false;
399 
400 	iwl_init_notification_wait(&mvm->notif_wait,
401 				   &init_wait,
402 				   init_complete,
403 				   ARRAY_SIZE(init_complete),
404 				   iwl_wait_init_complete,
405 				   NULL);
406 
407 	iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_EARLY, NULL);
408 
409 	/* Will also start the device */
410 	ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_REGULAR);
411 	if (ret) {
412 		IWL_ERR(mvm, "Failed to start RT ucode: %d\n", ret);
413 		goto error;
414 	}
415 	iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_AFTER_ALIVE,
416 			       NULL);
417 
418 	/* Send init config command to mark that we are sending NVM access
419 	 * commands
420 	 */
421 	ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(SYSTEM_GROUP,
422 						INIT_EXTENDED_CFG_CMD),
423 				   CMD_SEND_IN_RFKILL,
424 				   sizeof(init_cfg), &init_cfg);
425 	if (ret) {
426 		IWL_ERR(mvm, "Failed to run init config command: %d\n",
427 			ret);
428 		goto error;
429 	}
430 
431 	/* Load NVM to NIC if needed */
432 	if (mvm->nvm_file_name) {
433 		ret = iwl_read_external_nvm(mvm->trans, mvm->nvm_file_name,
434 					    mvm->nvm_sections);
435 		if (ret)
436 			goto error;
437 		ret = iwl_mvm_load_nvm_to_nic(mvm);
438 		if (ret)
439 			goto error;
440 	}
441 
442 	if (IWL_MVM_PARSE_NVM && !mvm->nvm_data) {
443 		ret = iwl_nvm_init(mvm);
444 		if (ret) {
445 			IWL_ERR(mvm, "Failed to read NVM: %d\n", ret);
446 			goto error;
447 		}
448 	}
449 
450 	ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(REGULATORY_AND_NVM_GROUP,
451 						NVM_ACCESS_COMPLETE),
452 				   CMD_SEND_IN_RFKILL,
453 				   sizeof(nvm_complete), &nvm_complete);
454 	if (ret) {
455 		IWL_ERR(mvm, "Failed to run complete NVM access: %d\n",
456 			ret);
457 		goto error;
458 	}
459 
460 	/* We wait for the INIT complete notification */
461 	ret = iwl_wait_notification(&mvm->notif_wait, &init_wait,
462 				    MVM_UCODE_ALIVE_TIMEOUT);
463 	if (ret)
464 		return ret;
465 
466 	/* Read the NVM only at driver load time, no need to do this twice */
467 	if (!IWL_MVM_PARSE_NVM && !mvm->nvm_data) {
468 		mvm->nvm_data = iwl_get_nvm(mvm->trans, mvm->fw);
469 		if (IS_ERR(mvm->nvm_data)) {
470 			ret = PTR_ERR(mvm->nvm_data);
471 			mvm->nvm_data = NULL;
472 			IWL_ERR(mvm, "Failed to read NVM: %d\n", ret);
473 			return ret;
474 		}
475 	}
476 
477 	mvm->rfkill_safe_init_done = true;
478 
479 	return 0;
480 
481 error:
482 	iwl_remove_notification(&mvm->notif_wait, &init_wait);
483 	return ret;
484 }
485 
486 #ifdef CONFIG_ACPI
iwl_mvm_phy_filter_init(struct iwl_mvm * mvm,struct iwl_phy_specific_cfg * phy_filters)487 static void iwl_mvm_phy_filter_init(struct iwl_mvm *mvm,
488 				    struct iwl_phy_specific_cfg *phy_filters)
489 {
490 	/*
491 	 * TODO: read specific phy config from BIOS
492 	 * ACPI table for this feature has not been defined yet,
493 	 * so for now we use hardcoded values.
494 	 */
495 
496 	if (IWL_MVM_PHY_FILTER_CHAIN_A) {
497 		phy_filters->filter_cfg_chain_a =
498 			cpu_to_le32(IWL_MVM_PHY_FILTER_CHAIN_A);
499 	}
500 	if (IWL_MVM_PHY_FILTER_CHAIN_B) {
501 		phy_filters->filter_cfg_chain_b =
502 			cpu_to_le32(IWL_MVM_PHY_FILTER_CHAIN_B);
503 	}
504 	if (IWL_MVM_PHY_FILTER_CHAIN_C) {
505 		phy_filters->filter_cfg_chain_c =
506 			cpu_to_le32(IWL_MVM_PHY_FILTER_CHAIN_C);
507 	}
508 	if (IWL_MVM_PHY_FILTER_CHAIN_D) {
509 		phy_filters->filter_cfg_chain_d =
510 			cpu_to_le32(IWL_MVM_PHY_FILTER_CHAIN_D);
511 	}
512 }
513 
514 #else /* CONFIG_ACPI */
515 
iwl_mvm_phy_filter_init(struct iwl_mvm * mvm,struct iwl_phy_specific_cfg * phy_filters)516 static void iwl_mvm_phy_filter_init(struct iwl_mvm *mvm,
517 				    struct iwl_phy_specific_cfg *phy_filters)
518 {
519 }
520 #endif /* CONFIG_ACPI */
521 
iwl_send_phy_cfg_cmd(struct iwl_mvm * mvm)522 static int iwl_send_phy_cfg_cmd(struct iwl_mvm *mvm)
523 {
524 	struct iwl_phy_cfg_cmd_v3 phy_cfg_cmd;
525 	enum iwl_ucode_type ucode_type = mvm->fwrt.cur_fw_img;
526 	struct iwl_phy_specific_cfg phy_filters = {};
527 	u8 cmd_ver;
528 	size_t cmd_size;
529 
530 	if (iwl_mvm_has_unified_ucode(mvm) &&
531 	    !mvm->trans->cfg->tx_with_siso_diversity)
532 		return 0;
533 
534 	if (mvm->trans->cfg->tx_with_siso_diversity) {
535 		/*
536 		 * TODO: currently we don't set the antenna but letting the NIC
537 		 * to decide which antenna to use. This should come from BIOS.
538 		 */
539 		phy_cfg_cmd.phy_cfg =
540 			cpu_to_le32(FW_PHY_CFG_CHAIN_SAD_ENABLED);
541 	}
542 
543 	/* Set parameters */
544 	phy_cfg_cmd.phy_cfg = cpu_to_le32(iwl_mvm_get_phy_config(mvm));
545 
546 	/* set flags extra PHY configuration flags from the device's cfg */
547 	phy_cfg_cmd.phy_cfg |=
548 		cpu_to_le32(mvm->trans->trans_cfg->extra_phy_cfg_flags);
549 
550 	phy_cfg_cmd.calib_control.event_trigger =
551 		mvm->fw->default_calib[ucode_type].event_trigger;
552 	phy_cfg_cmd.calib_control.flow_trigger =
553 		mvm->fw->default_calib[ucode_type].flow_trigger;
554 
555 	cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, IWL_ALWAYS_LONG_GROUP,
556 					PHY_CONFIGURATION_CMD,
557 					IWL_FW_CMD_VER_UNKNOWN);
558 	if (cmd_ver == 3) {
559 		iwl_mvm_phy_filter_init(mvm, &phy_filters);
560 		memcpy(&phy_cfg_cmd.phy_specific_cfg, &phy_filters,
561 		       sizeof(struct iwl_phy_specific_cfg));
562 	}
563 
564 	IWL_DEBUG_INFO(mvm, "Sending Phy CFG command: 0x%x\n",
565 		       phy_cfg_cmd.phy_cfg);
566 	cmd_size = (cmd_ver == 3) ? sizeof(struct iwl_phy_cfg_cmd_v3) :
567 				    sizeof(struct iwl_phy_cfg_cmd_v1);
568 	return iwl_mvm_send_cmd_pdu(mvm, PHY_CONFIGURATION_CMD, 0,
569 				    cmd_size, &phy_cfg_cmd);
570 }
571 
iwl_run_init_mvm_ucode(struct iwl_mvm * mvm)572 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm)
573 {
574 	struct iwl_notification_wait calib_wait;
575 	static const u16 init_complete[] = {
576 		INIT_COMPLETE_NOTIF,
577 		CALIB_RES_NOTIF_PHY_DB
578 	};
579 	int ret;
580 
581 	if (iwl_mvm_has_unified_ucode(mvm))
582 		return iwl_run_unified_mvm_ucode(mvm);
583 
584 	lockdep_assert_held(&mvm->mutex);
585 
586 	mvm->rfkill_safe_init_done = false;
587 
588 	iwl_init_notification_wait(&mvm->notif_wait,
589 				   &calib_wait,
590 				   init_complete,
591 				   ARRAY_SIZE(init_complete),
592 				   iwl_wait_phy_db_entry,
593 				   mvm->phy_db);
594 
595 	iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_EARLY, NULL);
596 
597 	/* Will also start the device */
598 	ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_INIT);
599 	if (ret) {
600 		IWL_ERR(mvm, "Failed to start INIT ucode: %d\n", ret);
601 		goto remove_notif;
602 	}
603 
604 	if (mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_8000) {
605 		ret = iwl_mvm_send_bt_init_conf(mvm);
606 		if (ret)
607 			goto remove_notif;
608 	}
609 
610 	/* Read the NVM only at driver load time, no need to do this twice */
611 	if (!mvm->nvm_data) {
612 		ret = iwl_nvm_init(mvm);
613 		if (ret) {
614 			IWL_ERR(mvm, "Failed to read NVM: %d\n", ret);
615 			goto remove_notif;
616 		}
617 	}
618 
619 	/* In case we read the NVM from external file, load it to the NIC */
620 	if (mvm->nvm_file_name) {
621 		ret = iwl_mvm_load_nvm_to_nic(mvm);
622 		if (ret)
623 			goto remove_notif;
624 	}
625 
626 	WARN_ONCE(mvm->nvm_data->nvm_version < mvm->trans->cfg->nvm_ver,
627 		  "Too old NVM version (0x%0x, required = 0x%0x)",
628 		  mvm->nvm_data->nvm_version, mvm->trans->cfg->nvm_ver);
629 
630 	/*
631 	 * abort after reading the nvm in case RF Kill is on, we will complete
632 	 * the init seq later when RF kill will switch to off
633 	 */
634 	if (iwl_mvm_is_radio_hw_killed(mvm)) {
635 		IWL_DEBUG_RF_KILL(mvm,
636 				  "jump over all phy activities due to RF kill\n");
637 		goto remove_notif;
638 	}
639 
640 	mvm->rfkill_safe_init_done = true;
641 
642 	/* Send TX valid antennas before triggering calibrations */
643 	ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm));
644 	if (ret)
645 		goto remove_notif;
646 
647 	ret = iwl_send_phy_cfg_cmd(mvm);
648 	if (ret) {
649 		IWL_ERR(mvm, "Failed to run INIT calibrations: %d\n",
650 			ret);
651 		goto remove_notif;
652 	}
653 
654 	/*
655 	 * Some things may run in the background now, but we
656 	 * just wait for the calibration complete notification.
657 	 */
658 	ret = iwl_wait_notification(&mvm->notif_wait, &calib_wait,
659 				    MVM_UCODE_CALIB_TIMEOUT);
660 	if (!ret)
661 		goto out;
662 
663 	if (iwl_mvm_is_radio_hw_killed(mvm)) {
664 		IWL_DEBUG_RF_KILL(mvm, "RFKILL while calibrating.\n");
665 		ret = 0;
666 	} else {
667 		IWL_ERR(mvm, "Failed to run INIT calibrations: %d\n",
668 			ret);
669 	}
670 
671 	goto out;
672 
673 remove_notif:
674 	iwl_remove_notification(&mvm->notif_wait, &calib_wait);
675 out:
676 	mvm->rfkill_safe_init_done = false;
677 	if (iwlmvm_mod_params.init_dbg && !mvm->nvm_data) {
678 		/* we want to debug INIT and we have no NVM - fake */
679 		mvm->nvm_data = kzalloc(sizeof(struct iwl_nvm_data) +
680 					sizeof(struct ieee80211_channel) +
681 					sizeof(struct ieee80211_rate),
682 					GFP_KERNEL);
683 		if (!mvm->nvm_data)
684 			return -ENOMEM;
685 		mvm->nvm_data->bands[0].channels = mvm->nvm_data->channels;
686 		mvm->nvm_data->bands[0].n_channels = 1;
687 		mvm->nvm_data->bands[0].n_bitrates = 1;
688 		mvm->nvm_data->bands[0].bitrates =
689 			(void *)mvm->nvm_data->channels + 1;
690 		mvm->nvm_data->bands[0].bitrates->hw_value = 10;
691 	}
692 
693 	return ret;
694 }
695 
iwl_mvm_config_ltr(struct iwl_mvm * mvm)696 static int iwl_mvm_config_ltr(struct iwl_mvm *mvm)
697 {
698 	struct iwl_ltr_config_cmd cmd = {
699 		.flags = cpu_to_le32(LTR_CFG_FLAG_FEATURE_ENABLE),
700 	};
701 
702 	if (!mvm->trans->ltr_enabled)
703 		return 0;
704 
705 	return iwl_mvm_send_cmd_pdu(mvm, LTR_CONFIG, 0,
706 				    sizeof(cmd), &cmd);
707 }
708 
709 #ifdef CONFIG_ACPI
iwl_mvm_sar_select_profile(struct iwl_mvm * mvm,int prof_a,int prof_b)710 int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a, int prof_b)
711 {
712 	struct iwl_dev_tx_power_cmd cmd = {
713 		.common.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_CHAINS),
714 	};
715 	__le16 *per_chain;
716 	int ret;
717 	u16 len = 0;
718 	u32 n_subbands;
719 	u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, LONG_GROUP,
720 					   REDUCE_TX_POWER_CMD,
721 					   IWL_FW_CMD_VER_UNKNOWN);
722 
723 	if (cmd_ver == 6) {
724 		len = sizeof(cmd.v6);
725 		n_subbands = IWL_NUM_SUB_BANDS_V2;
726 		per_chain = cmd.v6.per_chain[0][0];
727 	} else if (fw_has_api(&mvm->fw->ucode_capa,
728 			      IWL_UCODE_TLV_API_REDUCE_TX_POWER)) {
729 		len = sizeof(cmd.v5);
730 		n_subbands = IWL_NUM_SUB_BANDS_V1;
731 		per_chain = cmd.v5.per_chain[0][0];
732 	} else if (fw_has_capa(&mvm->fw->ucode_capa,
733 			       IWL_UCODE_TLV_CAPA_TX_POWER_ACK)) {
734 		len = sizeof(cmd.v4);
735 		n_subbands = IWL_NUM_SUB_BANDS_V1;
736 		per_chain = cmd.v4.per_chain[0][0];
737 	} else {
738 		len = sizeof(cmd.v3);
739 		n_subbands = IWL_NUM_SUB_BANDS_V1;
740 		per_chain = cmd.v3.per_chain[0][0];
741 	}
742 
743 	/* all structs have the same common part, add it */
744 	len += sizeof(cmd.common);
745 
746 	ret = iwl_sar_select_profile(&mvm->fwrt, per_chain,
747 				     IWL_NUM_CHAIN_TABLES,
748 				     n_subbands, prof_a, prof_b);
749 
750 	/* return on error or if the profile is disabled (positive number) */
751 	if (ret)
752 		return ret;
753 
754 	IWL_DEBUG_RADIO(mvm, "Sending REDUCE_TX_POWER_CMD per chain\n");
755 	return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0, len, &cmd);
756 }
757 
iwl_mvm_get_sar_geo_profile(struct iwl_mvm * mvm)758 int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm)
759 {
760 	union iwl_geo_tx_power_profiles_cmd geo_tx_cmd;
761 	struct iwl_geo_tx_power_profiles_resp *resp;
762 	u16 len;
763 	int ret;
764 	struct iwl_host_cmd cmd;
765 	u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, PHY_OPS_GROUP,
766 					   GEO_TX_POWER_LIMIT,
767 					   IWL_FW_CMD_VER_UNKNOWN);
768 
769 	/* the ops field is at the same spot for all versions, so set in v1 */
770 	geo_tx_cmd.v1.ops =
771 		cpu_to_le32(IWL_PER_CHAIN_OFFSET_GET_CURRENT_TABLE);
772 
773 	if (cmd_ver == 3)
774 		len = sizeof(geo_tx_cmd.v3);
775 	else if (fw_has_api(&mvm->fwrt.fw->ucode_capa,
776 			    IWL_UCODE_TLV_API_SAR_TABLE_VER))
777 		len = sizeof(geo_tx_cmd.v2);
778 	else
779 		len = sizeof(geo_tx_cmd.v1);
780 
781 	if (!iwl_sar_geo_support(&mvm->fwrt))
782 		return -EOPNOTSUPP;
783 
784 	cmd = (struct iwl_host_cmd){
785 		.id =  WIDE_ID(PHY_OPS_GROUP, GEO_TX_POWER_LIMIT),
786 		.len = { len, },
787 		.flags = CMD_WANT_SKB,
788 		.data = { &geo_tx_cmd },
789 	};
790 
791 	ret = iwl_mvm_send_cmd(mvm, &cmd);
792 	if (ret) {
793 		IWL_ERR(mvm, "Failed to get geographic profile info %d\n", ret);
794 		return ret;
795 	}
796 
797 	resp = (void *)cmd.resp_pkt->data;
798 	ret = le32_to_cpu(resp->profile_idx);
799 
800 	if (WARN_ON(ret > ACPI_NUM_GEO_PROFILES))
801 		ret = -EIO;
802 
803 	iwl_free_resp(&cmd);
804 	return ret;
805 }
806 
iwl_mvm_sar_geo_init(struct iwl_mvm * mvm)807 static int iwl_mvm_sar_geo_init(struct iwl_mvm *mvm)
808 {
809 	union iwl_geo_tx_power_profiles_cmd cmd;
810 	u16 len;
811 	u32 n_bands;
812 	int ret;
813 	u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, PHY_OPS_GROUP,
814 					   GEO_TX_POWER_LIMIT,
815 					   IWL_FW_CMD_VER_UNKNOWN);
816 
817 	BUILD_BUG_ON(offsetof(struct iwl_geo_tx_power_profiles_cmd_v1, ops) !=
818 		     offsetof(struct iwl_geo_tx_power_profiles_cmd_v2, ops) ||
819 		     offsetof(struct iwl_geo_tx_power_profiles_cmd_v2, ops) !=
820 		     offsetof(struct iwl_geo_tx_power_profiles_cmd_v3, ops));
821 	/* the ops field is at the same spot for all versions, so set in v1 */
822 	cmd.v1.ops = cpu_to_le32(IWL_PER_CHAIN_OFFSET_SET_TABLES);
823 
824 	if (cmd_ver == 3) {
825 		len = sizeof(cmd.v3);
826 		n_bands = ARRAY_SIZE(cmd.v3.table[0]);
827 	} else if (fw_has_api(&mvm->fwrt.fw->ucode_capa,
828 			      IWL_UCODE_TLV_API_SAR_TABLE_VER)) {
829 		len = sizeof(cmd.v2);
830 		n_bands = ARRAY_SIZE(cmd.v2.table[0]);
831 	} else {
832 		len = sizeof(cmd.v1);
833 		n_bands = ARRAY_SIZE(cmd.v1.table[0]);
834 	}
835 
836 	BUILD_BUG_ON(offsetof(struct iwl_geo_tx_power_profiles_cmd_v1, table) !=
837 		     offsetof(struct iwl_geo_tx_power_profiles_cmd_v2, table) ||
838 		     offsetof(struct iwl_geo_tx_power_profiles_cmd_v2, table) !=
839 		     offsetof(struct iwl_geo_tx_power_profiles_cmd_v3, table));
840 	/* the table is at the same position for all versions, so set use v1 */
841 	ret = iwl_sar_geo_init(&mvm->fwrt, &cmd.v1.table[0][0], n_bands);
842 
843 	/*
844 	 * It is a valid scenario to not support SAR, or miss wgds table,
845 	 * but in that case there is no need to send the command.
846 	 */
847 	if (ret)
848 		return 0;
849 
850 	/*
851 	 * Set the revision on versions that contain it.
852 	 * This must be done after calling iwl_sar_geo_init().
853 	 */
854 	if (cmd_ver == 3)
855 		cmd.v3.table_revision = cpu_to_le32(mvm->fwrt.geo_rev);
856 	else if (fw_has_api(&mvm->fwrt.fw->ucode_capa,
857 			    IWL_UCODE_TLV_API_SAR_TABLE_VER))
858 		cmd.v2.table_revision = cpu_to_le32(mvm->fwrt.geo_rev);
859 
860 	return iwl_mvm_send_cmd_pdu(mvm,
861 				    WIDE_ID(PHY_OPS_GROUP, GEO_TX_POWER_LIMIT),
862 				    0, len, &cmd);
863 }
864 
iwl_mvm_get_ppag_table(struct iwl_mvm * mvm)865 static int iwl_mvm_get_ppag_table(struct iwl_mvm *mvm)
866 {
867 	union acpi_object *wifi_pkg, *data, *flags;
868 	int i, j, ret, tbl_rev, num_sub_bands;
869 	int idx = 2;
870 	s8 *gain;
871 
872 	/*
873 	 * The 'flags' field is the same in v1 and in v2 so we can just
874 	 * use v1 to access it.
875 	 */
876 	mvm->fwrt.ppag_table.v1.flags = cpu_to_le32(0);
877 
878 	data = iwl_acpi_get_object(mvm->dev, ACPI_PPAG_METHOD);
879 	if (IS_ERR(data))
880 		return PTR_ERR(data);
881 
882 	/* try to read ppag table rev 2 or 1 (both have the same data size) */
883 	wifi_pkg = iwl_acpi_get_wifi_pkg(mvm->dev, data,
884 					 ACPI_PPAG_WIFI_DATA_SIZE_V2, &tbl_rev);
885 	if (!IS_ERR(wifi_pkg)) {
886 		if (tbl_rev == 1 || tbl_rev == 2) {
887 			num_sub_bands = IWL_NUM_SUB_BANDS_V2;
888 			gain = mvm->fwrt.ppag_table.v2.gain[0];
889 			mvm->fwrt.ppag_ver = tbl_rev;
890 			IWL_DEBUG_RADIO(mvm,
891 					"Reading PPAG table v2 (tbl_rev=%d)\n",
892 					tbl_rev);
893 			goto read_table;
894 		} else {
895 			ret = -EINVAL;
896 			goto out_free;
897 		}
898 	}
899 
900 	/* try to read ppag table revision 0 */
901 	wifi_pkg = iwl_acpi_get_wifi_pkg(mvm->dev, data,
902 					 ACPI_PPAG_WIFI_DATA_SIZE_V1, &tbl_rev);
903 	if (!IS_ERR(wifi_pkg)) {
904 		if (tbl_rev != 0) {
905 			ret = -EINVAL;
906 			goto out_free;
907 		}
908 		num_sub_bands = IWL_NUM_SUB_BANDS_V1;
909 		gain = mvm->fwrt.ppag_table.v1.gain[0];
910 		mvm->fwrt.ppag_ver = 0;
911 		IWL_DEBUG_RADIO(mvm, "Reading PPAG table v1 (tbl_rev=0)\n");
912 		goto read_table;
913 	}
914 	ret = PTR_ERR(wifi_pkg);
915 	goto out_free;
916 
917 read_table:
918 	flags = &wifi_pkg->package.elements[1];
919 
920 	if (flags->type != ACPI_TYPE_INTEGER) {
921 		ret = -EINVAL;
922 		goto out_free;
923 	}
924 
925 	mvm->fwrt.ppag_table.v1.flags = cpu_to_le32(flags->integer.value &
926 						    IWL_PPAG_MASK);
927 
928 	if (!mvm->fwrt.ppag_table.v1.flags) {
929 		ret = 0;
930 		goto out_free;
931 	}
932 
933 	/*
934 	 * read, verify gain values and save them into the PPAG table.
935 	 * first sub-band (j=0) corresponds to Low-Band (2.4GHz), and the
936 	 * following sub-bands to High-Band (5GHz).
937 	 */
938 	for (i = 0; i < IWL_NUM_CHAIN_LIMITS; i++) {
939 		for (j = 0; j < num_sub_bands; j++) {
940 			union acpi_object *ent;
941 
942 			ent = &wifi_pkg->package.elements[idx++];
943 			if (ent->type != ACPI_TYPE_INTEGER) {
944 				ret = -EINVAL;
945 				goto out_free;
946 			}
947 
948 			gain[i * num_sub_bands + j] = ent->integer.value;
949 
950 			if ((j == 0 &&
951 			     (gain[i * num_sub_bands + j] > ACPI_PPAG_MAX_LB ||
952 			      gain[i * num_sub_bands + j] < ACPI_PPAG_MIN_LB)) ||
953 			    (j != 0 &&
954 			     (gain[i * num_sub_bands + j] > ACPI_PPAG_MAX_HB ||
955 			      gain[i * num_sub_bands + j] < ACPI_PPAG_MIN_HB))) {
956 				mvm->fwrt.ppag_table.v1.flags = cpu_to_le32(0);
957 				ret = -EINVAL;
958 				goto out_free;
959 			}
960 		}
961 	}
962 
963 	ret = 0;
964 out_free:
965 	kfree(data);
966 	return ret;
967 }
968 
iwl_mvm_ppag_send_cmd(struct iwl_mvm * mvm)969 int iwl_mvm_ppag_send_cmd(struct iwl_mvm *mvm)
970 {
971 	u8 cmd_ver;
972 	int i, j, ret, num_sub_bands, cmd_size;
973 	s8 *gain;
974 
975 	if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_SET_PPAG)) {
976 		IWL_DEBUG_RADIO(mvm,
977 				"PPAG capability not supported by FW, command not sent.\n");
978 		return 0;
979 	}
980 	if (!mvm->fwrt.ppag_table.v1.flags) {
981 		IWL_DEBUG_RADIO(mvm, "PPAG not enabled, command not sent.\n");
982 		return 0;
983 	}
984 
985 	cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, PHY_OPS_GROUP,
986 					PER_PLATFORM_ANT_GAIN_CMD,
987 					IWL_FW_CMD_VER_UNKNOWN);
988 	if (cmd_ver == 1) {
989 		num_sub_bands = IWL_NUM_SUB_BANDS_V1;
990 		gain = mvm->fwrt.ppag_table.v1.gain[0];
991 		cmd_size = sizeof(mvm->fwrt.ppag_table.v1);
992 		if (mvm->fwrt.ppag_ver == 1 || mvm->fwrt.ppag_ver == 2) {
993 			IWL_DEBUG_RADIO(mvm,
994 					"PPAG table rev is %d but FW supports v1, sending truncated table\n",
995 					mvm->fwrt.ppag_ver);
996 			mvm->fwrt.ppag_table.v1.flags &=
997 				cpu_to_le32(IWL_PPAG_ETSI_MASK);
998 		}
999 	} else if (cmd_ver == 2 || cmd_ver == 3) {
1000 		num_sub_bands = IWL_NUM_SUB_BANDS_V2;
1001 		gain = mvm->fwrt.ppag_table.v2.gain[0];
1002 		cmd_size = sizeof(mvm->fwrt.ppag_table.v2);
1003 		if (mvm->fwrt.ppag_ver == 0) {
1004 			IWL_DEBUG_RADIO(mvm,
1005 					"PPAG table is v1 but FW supports v2, sending padded table\n");
1006 		} else if (cmd_ver == 2 && mvm->fwrt.ppag_ver == 2) {
1007 			IWL_DEBUG_RADIO(mvm,
1008 					"PPAG table is v3 but FW supports v2, sending partial bitmap.\n");
1009 			mvm->fwrt.ppag_table.v1.flags &=
1010 				cpu_to_le32(IWL_PPAG_ETSI_MASK);
1011 		}
1012 	} else {
1013 		IWL_DEBUG_RADIO(mvm, "Unsupported PPAG command version\n");
1014 		return 0;
1015 	}
1016 
1017 	for (i = 0; i < IWL_NUM_CHAIN_LIMITS; i++) {
1018 		for (j = 0; j < num_sub_bands; j++) {
1019 			IWL_DEBUG_RADIO(mvm,
1020 					"PPAG table: chain[%d] band[%d]: gain = %d\n",
1021 					i, j, gain[i * num_sub_bands + j]);
1022 		}
1023 	}
1024 	IWL_DEBUG_RADIO(mvm, "Sending PER_PLATFORM_ANT_GAIN_CMD\n");
1025 	ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(PHY_OPS_GROUP,
1026 						PER_PLATFORM_ANT_GAIN_CMD),
1027 				   0, cmd_size, &mvm->fwrt.ppag_table);
1028 	if (ret < 0)
1029 		IWL_ERR(mvm, "failed to send PER_PLATFORM_ANT_GAIN_CMD (%d)\n",
1030 			ret);
1031 
1032 	return ret;
1033 }
1034 
1035 static const struct dmi_system_id dmi_ppag_approved_list[] = {
1036 	{ .ident = "HP",
1037 	  .matches = {
1038 			DMI_MATCH(DMI_SYS_VENDOR, "HP"),
1039 		},
1040 	},
1041 	{ .ident = "SAMSUNG",
1042 	  .matches = {
1043 			DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD"),
1044 		},
1045 	},
1046 	{ .ident = "MSFT",
1047 	  .matches = {
1048 			DMI_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
1049 		},
1050 	},
1051 	{ .ident = "ASUS",
1052 	  .matches = {
1053 			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTek COMPUTER INC."),
1054 		},
1055 	},
1056 	{}
1057 };
1058 
iwl_mvm_ppag_init(struct iwl_mvm * mvm)1059 static int iwl_mvm_ppag_init(struct iwl_mvm *mvm)
1060 {
1061 	/* no need to read the table, done in INIT stage */
1062 	if (!dmi_check_system(dmi_ppag_approved_list)) {
1063 		IWL_DEBUG_RADIO(mvm,
1064 				"System vendor '%s' is not in the approved list, disabling PPAG.\n",
1065 				dmi_get_system_info(DMI_SYS_VENDOR));
1066 		mvm->fwrt.ppag_table.v1.flags = cpu_to_le32(0);
1067 		return 0;
1068 	}
1069 
1070 	return iwl_mvm_ppag_send_cmd(mvm);
1071 }
1072 
iwl_mvm_tas_init(struct iwl_mvm * mvm)1073 static void iwl_mvm_tas_init(struct iwl_mvm *mvm)
1074 {
1075 	int ret;
1076 	struct iwl_tas_config_cmd cmd = {};
1077 	int list_size;
1078 
1079 	BUILD_BUG_ON(ARRAY_SIZE(cmd.block_list_array) <
1080 		     APCI_WTAS_BLACK_LIST_MAX);
1081 
1082 	if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TAS_CFG)) {
1083 		IWL_DEBUG_RADIO(mvm, "TAS not enabled in FW\n");
1084 		return;
1085 	}
1086 
1087 	ret = iwl_acpi_get_tas(&mvm->fwrt, cmd.block_list_array, &list_size);
1088 	if (ret < 0) {
1089 		IWL_DEBUG_RADIO(mvm,
1090 				"TAS table invalid or unavailable. (%d)\n",
1091 				ret);
1092 		return;
1093 	}
1094 
1095 	if (list_size < 0)
1096 		return;
1097 
1098 	/* list size if TAS enabled can only be non-negative */
1099 	cmd.block_list_size = cpu_to_le32((u32)list_size);
1100 
1101 	ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(REGULATORY_AND_NVM_GROUP,
1102 						TAS_CONFIG),
1103 				   0, sizeof(cmd), &cmd);
1104 	if (ret < 0)
1105 		IWL_DEBUG_RADIO(mvm, "failed to send TAS_CONFIG (%d)\n", ret);
1106 }
1107 
iwl_mvm_eval_dsm_rfi(struct iwl_mvm * mvm)1108 static u8 iwl_mvm_eval_dsm_rfi(struct iwl_mvm *mvm)
1109 {
1110 	u8 value;
1111 	int ret = iwl_acpi_get_dsm_u8((&mvm->fwrt)->dev, 0, DSM_RFI_FUNC_ENABLE,
1112 				      &iwl_rfi_guid, &value);
1113 
1114 	if (ret < 0) {
1115 		IWL_DEBUG_RADIO(mvm, "Failed to get DSM RFI, ret=%d\n", ret);
1116 
1117 	} else if (value >= DSM_VALUE_RFI_MAX) {
1118 		IWL_DEBUG_RADIO(mvm, "DSM RFI got invalid value, ret=%d\n",
1119 				value);
1120 
1121 	} else if (value == DSM_VALUE_RFI_ENABLE) {
1122 		IWL_DEBUG_RADIO(mvm, "DSM RFI is evaluated to enable\n");
1123 		return DSM_VALUE_RFI_ENABLE;
1124 	}
1125 
1126 	IWL_DEBUG_RADIO(mvm, "DSM RFI is disabled\n");
1127 
1128 	/* default behaviour is disabled */
1129 	return DSM_VALUE_RFI_DISABLE;
1130 }
1131 
iwl_mvm_lari_cfg(struct iwl_mvm * mvm)1132 static void iwl_mvm_lari_cfg(struct iwl_mvm *mvm)
1133 {
1134 	int ret;
1135 	u32 value;
1136 	struct iwl_lari_config_change_cmd_v4 cmd = {};
1137 
1138 	cmd.config_bitmap = iwl_acpi_get_lari_config_bitmap(&mvm->fwrt);
1139 
1140 	ret = iwl_acpi_get_dsm_u32((&mvm->fwrt)->dev, 0, DSM_FUNC_11AX_ENABLEMENT,
1141 				   &iwl_guid, &value);
1142 	if (!ret)
1143 		cmd.oem_11ax_allow_bitmap = cpu_to_le32(value);
1144 	/* apply more config masks here */
1145 
1146 	ret = iwl_acpi_get_dsm_u32((&mvm->fwrt)->dev, 0,
1147 				   DSM_FUNC_ENABLE_UNII4_CHAN,
1148 				   &iwl_guid, &value);
1149 	if (!ret)
1150 		cmd.oem_unii4_allow_bitmap = cpu_to_le32(value);
1151 
1152 	if (cmd.config_bitmap ||
1153 	    cmd.oem_11ax_allow_bitmap ||
1154 	    cmd.oem_unii4_allow_bitmap) {
1155 		size_t cmd_size;
1156 		u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw,
1157 						   REGULATORY_AND_NVM_GROUP,
1158 						   LARI_CONFIG_CHANGE, 1);
1159 		if (cmd_ver == 4)
1160 			cmd_size = sizeof(struct iwl_lari_config_change_cmd_v4);
1161 		else if (cmd_ver == 3)
1162 			cmd_size = sizeof(struct iwl_lari_config_change_cmd_v3);
1163 		else if (cmd_ver == 2)
1164 			cmd_size = sizeof(struct iwl_lari_config_change_cmd_v2);
1165 		else
1166 			cmd_size = sizeof(struct iwl_lari_config_change_cmd_v1);
1167 
1168 		IWL_DEBUG_RADIO(mvm,
1169 				"sending LARI_CONFIG_CHANGE, config_bitmap=0x%x, oem_11ax_allow_bitmap=0x%x\n",
1170 				le32_to_cpu(cmd.config_bitmap),
1171 				le32_to_cpu(cmd.oem_11ax_allow_bitmap));
1172 		IWL_DEBUG_RADIO(mvm,
1173 				"sending LARI_CONFIG_CHANGE, oem_unii4_allow_bitmap=0x%x, cmd_ver=%d\n",
1174 				le32_to_cpu(cmd.oem_unii4_allow_bitmap),
1175 				cmd_ver);
1176 		ret = iwl_mvm_send_cmd_pdu(mvm,
1177 					   WIDE_ID(REGULATORY_AND_NVM_GROUP,
1178 						   LARI_CONFIG_CHANGE),
1179 					   0, cmd_size, &cmd);
1180 		if (ret < 0)
1181 			IWL_DEBUG_RADIO(mvm,
1182 					"Failed to send LARI_CONFIG_CHANGE (%d)\n",
1183 					ret);
1184 	}
1185 }
1186 
iwl_mvm_get_acpi_tables(struct iwl_mvm * mvm)1187 void iwl_mvm_get_acpi_tables(struct iwl_mvm *mvm)
1188 {
1189 	int ret;
1190 
1191 	/* read PPAG table */
1192 	ret = iwl_mvm_get_ppag_table(mvm);
1193 	if (ret < 0) {
1194 		IWL_DEBUG_RADIO(mvm,
1195 				"PPAG BIOS table invalid or unavailable. (%d)\n",
1196 				ret);
1197 	}
1198 
1199 	/* read SAR tables */
1200 	ret = iwl_sar_get_wrds_table(&mvm->fwrt);
1201 	if (ret < 0) {
1202 		IWL_DEBUG_RADIO(mvm,
1203 				"WRDS SAR BIOS table invalid or unavailable. (%d)\n",
1204 				ret);
1205 		/*
1206 		 * If not available, don't fail and don't bother with EWRD and
1207 		 * WGDS */
1208 
1209 		if (!iwl_sar_get_wgds_table(&mvm->fwrt)) {
1210 			/*
1211 			 * If basic SAR is not available, we check for WGDS,
1212 			 * which should *not* be available either.  If it is
1213 			 * available, issue an error, because we can't use SAR
1214 			 * Geo without basic SAR.
1215 			 */
1216 			IWL_ERR(mvm, "BIOS contains WGDS but no WRDS\n");
1217 		}
1218 
1219 	} else {
1220 		ret = iwl_sar_get_ewrd_table(&mvm->fwrt);
1221 		/* if EWRD is not available, we can still use
1222 		* WRDS, so don't fail */
1223 		if (ret < 0)
1224 			IWL_DEBUG_RADIO(mvm,
1225 					"EWRD SAR BIOS table invalid or unavailable. (%d)\n",
1226 					ret);
1227 
1228 		/* read geo SAR table */
1229 		if (iwl_sar_geo_support(&mvm->fwrt)) {
1230 			ret = iwl_sar_get_wgds_table(&mvm->fwrt);
1231 			if (ret < 0)
1232 				IWL_DEBUG_RADIO(mvm,
1233 						"Geo SAR BIOS table invalid or unavailable. (%d)\n",
1234 						ret);
1235 				/* we don't fail if the table is not available */
1236 		}
1237 	}
1238 }
1239 #else /* CONFIG_ACPI */
1240 
iwl_mvm_sar_select_profile(struct iwl_mvm * mvm,int prof_a,int prof_b)1241 inline int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm,
1242 				      int prof_a, int prof_b)
1243 {
1244 	return 1;
1245 }
1246 
iwl_mvm_get_sar_geo_profile(struct iwl_mvm * mvm)1247 inline int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm)
1248 {
1249 	return -ENOENT;
1250 }
1251 
iwl_mvm_sar_geo_init(struct iwl_mvm * mvm)1252 static int iwl_mvm_sar_geo_init(struct iwl_mvm *mvm)
1253 {
1254 	return 0;
1255 }
1256 
iwl_mvm_ppag_send_cmd(struct iwl_mvm * mvm)1257 int iwl_mvm_ppag_send_cmd(struct iwl_mvm *mvm)
1258 {
1259 	return -ENOENT;
1260 }
1261 
iwl_mvm_ppag_init(struct iwl_mvm * mvm)1262 static int iwl_mvm_ppag_init(struct iwl_mvm *mvm)
1263 {
1264 	return 0;
1265 }
1266 
iwl_mvm_tas_init(struct iwl_mvm * mvm)1267 static void iwl_mvm_tas_init(struct iwl_mvm *mvm)
1268 {
1269 }
1270 
iwl_mvm_lari_cfg(struct iwl_mvm * mvm)1271 static void iwl_mvm_lari_cfg(struct iwl_mvm *mvm)
1272 {
1273 }
1274 
iwl_mvm_eval_dsm_rfi(struct iwl_mvm * mvm)1275 static u8 iwl_mvm_eval_dsm_rfi(struct iwl_mvm *mvm)
1276 {
1277 	return DSM_VALUE_RFI_DISABLE;
1278 }
1279 
iwl_mvm_get_acpi_tables(struct iwl_mvm * mvm)1280 void iwl_mvm_get_acpi_tables(struct iwl_mvm *mvm)
1281 {
1282 }
1283 #endif /* CONFIG_ACPI */
1284 
iwl_mvm_send_recovery_cmd(struct iwl_mvm * mvm,u32 flags)1285 void iwl_mvm_send_recovery_cmd(struct iwl_mvm *mvm, u32 flags)
1286 {
1287 	u32 error_log_size = mvm->fw->ucode_capa.error_log_size;
1288 	int ret;
1289 	u32 resp;
1290 
1291 	struct iwl_fw_error_recovery_cmd recovery_cmd = {
1292 		.flags = cpu_to_le32(flags),
1293 		.buf_size = 0,
1294 	};
1295 	struct iwl_host_cmd host_cmd = {
1296 		.id = WIDE_ID(SYSTEM_GROUP, FW_ERROR_RECOVERY_CMD),
1297 		.flags = CMD_WANT_SKB,
1298 		.data = {&recovery_cmd, },
1299 		.len = {sizeof(recovery_cmd), },
1300 	};
1301 
1302 	/* no error log was defined in TLV */
1303 	if (!error_log_size)
1304 		return;
1305 
1306 	if (flags & ERROR_RECOVERY_UPDATE_DB) {
1307 		/* no buf was allocated while HW reset */
1308 		if (!mvm->error_recovery_buf)
1309 			return;
1310 
1311 		host_cmd.data[1] = mvm->error_recovery_buf;
1312 		host_cmd.len[1] =  error_log_size;
1313 		host_cmd.dataflags[1] = IWL_HCMD_DFL_NOCOPY;
1314 		recovery_cmd.buf_size = cpu_to_le32(error_log_size);
1315 	}
1316 
1317 	ret = iwl_mvm_send_cmd(mvm, &host_cmd);
1318 	kfree(mvm->error_recovery_buf);
1319 	mvm->error_recovery_buf = NULL;
1320 
1321 	if (ret) {
1322 		IWL_ERR(mvm, "Failed to send recovery cmd %d\n", ret);
1323 		return;
1324 	}
1325 
1326 	/* skb respond is only relevant in ERROR_RECOVERY_UPDATE_DB */
1327 	if (flags & ERROR_RECOVERY_UPDATE_DB) {
1328 		resp = le32_to_cpu(*(__le32 *)host_cmd.resp_pkt->data);
1329 		if (resp)
1330 			IWL_ERR(mvm,
1331 				"Failed to send recovery cmd blob was invalid %d\n",
1332 				resp);
1333 	}
1334 }
1335 
iwl_mvm_sar_init(struct iwl_mvm * mvm)1336 static int iwl_mvm_sar_init(struct iwl_mvm *mvm)
1337 {
1338 	return iwl_mvm_sar_select_profile(mvm, 1, 1);
1339 }
1340 
iwl_mvm_load_rt_fw(struct iwl_mvm * mvm)1341 static int iwl_mvm_load_rt_fw(struct iwl_mvm *mvm)
1342 {
1343 	int ret;
1344 
1345 	if (iwl_mvm_has_unified_ucode(mvm))
1346 		return iwl_run_unified_mvm_ucode(mvm);
1347 
1348 	WARN_ON(!mvm->nvm_data);
1349 	ret = iwl_run_init_mvm_ucode(mvm);
1350 
1351 	if (ret) {
1352 		IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", ret);
1353 
1354 		if (iwlmvm_mod_params.init_dbg)
1355 			return 0;
1356 		return ret;
1357 	}
1358 
1359 	iwl_fw_dbg_stop_sync(&mvm->fwrt);
1360 	iwl_trans_stop_device(mvm->trans);
1361 	ret = iwl_trans_start_hw(mvm->trans);
1362 	if (ret)
1363 		return ret;
1364 
1365 	mvm->rfkill_safe_init_done = false;
1366 	ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_REGULAR);
1367 	if (ret)
1368 		return ret;
1369 
1370 	mvm->rfkill_safe_init_done = true;
1371 
1372 	iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_AFTER_ALIVE,
1373 			       NULL);
1374 
1375 	return iwl_init_paging(&mvm->fwrt, mvm->fwrt.cur_fw_img);
1376 }
1377 
iwl_mvm_up(struct iwl_mvm * mvm)1378 int iwl_mvm_up(struct iwl_mvm *mvm)
1379 {
1380 	int ret, i;
1381 	struct ieee80211_channel *chan;
1382 	struct cfg80211_chan_def chandef;
1383 	struct ieee80211_supported_band *sband = NULL;
1384 
1385 	lockdep_assert_held(&mvm->mutex);
1386 
1387 	ret = iwl_trans_start_hw(mvm->trans);
1388 	if (ret)
1389 		return ret;
1390 
1391 	ret = iwl_mvm_load_rt_fw(mvm);
1392 	if (ret) {
1393 		IWL_ERR(mvm, "Failed to start RT ucode: %d\n", ret);
1394 		if (ret != -ERFKILL)
1395 			iwl_fw_dbg_error_collect(&mvm->fwrt,
1396 						 FW_DBG_TRIGGER_DRIVER);
1397 		goto error;
1398 	}
1399 
1400 	iwl_get_shared_mem_conf(&mvm->fwrt);
1401 
1402 	ret = iwl_mvm_sf_update(mvm, NULL, false);
1403 	if (ret)
1404 		IWL_ERR(mvm, "Failed to initialize Smart Fifo\n");
1405 
1406 	if (!iwl_trans_dbg_ini_valid(mvm->trans)) {
1407 		mvm->fwrt.dump.conf = FW_DBG_INVALID;
1408 		/* if we have a destination, assume EARLY START */
1409 		if (mvm->fw->dbg.dest_tlv)
1410 			mvm->fwrt.dump.conf = FW_DBG_START_FROM_ALIVE;
1411 		iwl_fw_start_dbg_conf(&mvm->fwrt, FW_DBG_START_FROM_ALIVE);
1412 	}
1413 
1414 	ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm));
1415 	if (ret)
1416 		goto error;
1417 
1418 	if (!iwl_mvm_has_unified_ucode(mvm)) {
1419 		/* Send phy db control command and then phy db calibration */
1420 		ret = iwl_send_phy_db_data(mvm->phy_db);
1421 		if (ret)
1422 			goto error;
1423 	}
1424 
1425 	ret = iwl_send_phy_cfg_cmd(mvm);
1426 	if (ret)
1427 		goto error;
1428 
1429 	ret = iwl_mvm_send_bt_init_conf(mvm);
1430 	if (ret)
1431 		goto error;
1432 
1433 	if (fw_has_capa(&mvm->fw->ucode_capa,
1434 			IWL_UCODE_TLV_CAPA_SOC_LATENCY_SUPPORT)) {
1435 		ret = iwl_set_soc_latency(&mvm->fwrt);
1436 		if (ret)
1437 			goto error;
1438 	}
1439 
1440 	/* Init RSS configuration */
1441 	ret = iwl_configure_rxq(&mvm->fwrt);
1442 	if (ret)
1443 		goto error;
1444 
1445 	if (iwl_mvm_has_new_rx_api(mvm)) {
1446 		ret = iwl_send_rss_cfg_cmd(mvm);
1447 		if (ret) {
1448 			IWL_ERR(mvm, "Failed to configure RSS queues: %d\n",
1449 				ret);
1450 			goto error;
1451 		}
1452 	}
1453 
1454 	/* init the fw <-> mac80211 STA mapping */
1455 	for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++)
1456 		RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL);
1457 
1458 	mvm->tdls_cs.peer.sta_id = IWL_MVM_INVALID_STA;
1459 
1460 	/* reset quota debouncing buffer - 0xff will yield invalid data */
1461 	memset(&mvm->last_quota_cmd, 0xff, sizeof(mvm->last_quota_cmd));
1462 
1463 	if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_DQA_SUPPORT)) {
1464 		ret = iwl_mvm_send_dqa_cmd(mvm);
1465 		if (ret)
1466 			goto error;
1467 	}
1468 
1469 	/*
1470 	 * Add auxiliary station for scanning.
1471 	 * Newer versions of this command implies that the fw uses
1472 	 * internal aux station for all aux activities that don't
1473 	 * requires a dedicated data queue.
1474 	 */
1475 	if (iwl_fw_lookup_cmd_ver(mvm->fw, LONG_GROUP,
1476 				  ADD_STA,
1477 				  0) < 12) {
1478 		 /*
1479 		  * In old version the aux station uses mac id like other
1480 		  * station and not lmac id
1481 		  */
1482 		ret = iwl_mvm_add_aux_sta(mvm, MAC_INDEX_AUX);
1483 		if (ret)
1484 			goto error;
1485 	}
1486 
1487 	/* Add all the PHY contexts */
1488 	i = 0;
1489 	while (!sband && i < NUM_NL80211_BANDS)
1490 		sband = mvm->hw->wiphy->bands[i++];
1491 
1492 	if (WARN_ON_ONCE(!sband))
1493 		goto error;
1494 
1495 	chan = &sband->channels[0];
1496 
1497 	cfg80211_chandef_create(&chandef, chan, NL80211_CHAN_NO_HT);
1498 	for (i = 0; i < NUM_PHY_CTX; i++) {
1499 		/*
1500 		 * The channel used here isn't relevant as it's
1501 		 * going to be overwritten in the other flows.
1502 		 * For now use the first channel we have.
1503 		 */
1504 		ret = iwl_mvm_phy_ctxt_add(mvm, &mvm->phy_ctxts[i],
1505 					   &chandef, 1, 1);
1506 		if (ret)
1507 			goto error;
1508 	}
1509 
1510 	if (iwl_mvm_is_tt_in_fw(mvm)) {
1511 		/* in order to give the responsibility of ct-kill and
1512 		 * TX backoff to FW we need to send empty temperature reporting
1513 		 * cmd during init time
1514 		 */
1515 		iwl_mvm_send_temp_report_ths_cmd(mvm);
1516 	} else {
1517 		/* Initialize tx backoffs to the minimal possible */
1518 		iwl_mvm_tt_tx_backoff(mvm, 0);
1519 	}
1520 
1521 #ifdef CONFIG_THERMAL
1522 	/* TODO: read the budget from BIOS / Platform NVM */
1523 
1524 	/*
1525 	 * In case there is no budget from BIOS / Platform NVM the default
1526 	 * budget should be 2000mW (cooling state 0).
1527 	 */
1528 	if (iwl_mvm_is_ctdp_supported(mvm)) {
1529 		ret = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_START,
1530 					   mvm->cooling_dev.cur_state);
1531 		if (ret)
1532 			goto error;
1533 	}
1534 #endif
1535 
1536 	if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_SET_LTR_GEN2))
1537 		WARN_ON(iwl_mvm_config_ltr(mvm));
1538 
1539 	ret = iwl_mvm_power_update_device(mvm);
1540 	if (ret)
1541 		goto error;
1542 
1543 	iwl_mvm_lari_cfg(mvm);
1544 	/*
1545 	 * RTNL is not taken during Ct-kill, but we don't need to scan/Tx
1546 	 * anyway, so don't init MCC.
1547 	 */
1548 	if (!test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status)) {
1549 		ret = iwl_mvm_init_mcc(mvm);
1550 		if (ret)
1551 			goto error;
1552 	}
1553 
1554 	if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) {
1555 		mvm->scan_type = IWL_SCAN_TYPE_NOT_SET;
1556 		mvm->hb_scan_type = IWL_SCAN_TYPE_NOT_SET;
1557 		ret = iwl_mvm_config_scan(mvm);
1558 		if (ret)
1559 			goto error;
1560 	}
1561 
1562 	if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
1563 		iwl_mvm_send_recovery_cmd(mvm, ERROR_RECOVERY_UPDATE_DB);
1564 
1565 	if (iwl_acpi_get_eckv(mvm->dev, &mvm->ext_clock_valid))
1566 		IWL_DEBUG_INFO(mvm, "ECKV table doesn't exist in BIOS\n");
1567 
1568 	ret = iwl_mvm_ppag_init(mvm);
1569 	if (ret)
1570 		goto error;
1571 
1572 	ret = iwl_mvm_sar_init(mvm);
1573 	if (ret == 0)
1574 		ret = iwl_mvm_sar_geo_init(mvm);
1575 	else if (ret < 0)
1576 		goto error;
1577 
1578 	iwl_mvm_tas_init(mvm);
1579 	iwl_mvm_leds_sync(mvm);
1580 
1581 	iwl_mvm_ftm_initiator_smooth_config(mvm);
1582 
1583 	if (fw_has_capa(&mvm->fw->ucode_capa,
1584 			IWL_UCODE_TLV_CAPA_RFIM_SUPPORT)) {
1585 		if (iwl_mvm_eval_dsm_rfi(mvm) == DSM_VALUE_RFI_ENABLE)
1586 			iwl_rfi_send_config_cmd(mvm, NULL);
1587 	}
1588 
1589 	IWL_DEBUG_INFO(mvm, "RT uCode started.\n");
1590 	return 0;
1591  error:
1592 	if (!iwlmvm_mod_params.init_dbg || !ret)
1593 		iwl_mvm_stop_device(mvm);
1594 	return ret;
1595 }
1596 
iwl_mvm_load_d3_fw(struct iwl_mvm * mvm)1597 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm)
1598 {
1599 	int ret, i;
1600 
1601 	lockdep_assert_held(&mvm->mutex);
1602 
1603 	ret = iwl_trans_start_hw(mvm->trans);
1604 	if (ret)
1605 		return ret;
1606 
1607 	ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_WOWLAN);
1608 	if (ret) {
1609 		IWL_ERR(mvm, "Failed to start WoWLAN firmware: %d\n", ret);
1610 		goto error;
1611 	}
1612 
1613 	ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm));
1614 	if (ret)
1615 		goto error;
1616 
1617 	/* Send phy db control command and then phy db calibration*/
1618 	ret = iwl_send_phy_db_data(mvm->phy_db);
1619 	if (ret)
1620 		goto error;
1621 
1622 	ret = iwl_send_phy_cfg_cmd(mvm);
1623 	if (ret)
1624 		goto error;
1625 
1626 	/* init the fw <-> mac80211 STA mapping */
1627 	for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++)
1628 		RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL);
1629 
1630 	if (iwl_fw_lookup_cmd_ver(mvm->fw, LONG_GROUP,
1631 				  ADD_STA,
1632 				  0) < 12) {
1633 		/*
1634 		 * Add auxiliary station for scanning.
1635 		 * Newer versions of this command implies that the fw uses
1636 		 * internal aux station for all aux activities that don't
1637 		 * requires a dedicated data queue.
1638 		 * In old version the aux station uses mac id like other
1639 		 * station and not lmac id
1640 		 */
1641 		ret = iwl_mvm_add_aux_sta(mvm, MAC_INDEX_AUX);
1642 		if (ret)
1643 			goto error;
1644 	}
1645 
1646 	return 0;
1647  error:
1648 	iwl_mvm_stop_device(mvm);
1649 	return ret;
1650 }
1651 
iwl_mvm_rx_card_state_notif(struct iwl_mvm * mvm,struct iwl_rx_cmd_buffer * rxb)1652 void iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
1653 				 struct iwl_rx_cmd_buffer *rxb)
1654 {
1655 	struct iwl_rx_packet *pkt = rxb_addr(rxb);
1656 	struct iwl_card_state_notif *card_state_notif = (void *)pkt->data;
1657 	u32 flags = le32_to_cpu(card_state_notif->flags);
1658 
1659 	IWL_DEBUG_RF_KILL(mvm, "Card state received: HW:%s SW:%s CT:%s\n",
1660 			  (flags & HW_CARD_DISABLED) ? "Kill" : "On",
1661 			  (flags & SW_CARD_DISABLED) ? "Kill" : "On",
1662 			  (flags & CT_KILL_CARD_DISABLED) ?
1663 			  "Reached" : "Not reached");
1664 }
1665 
iwl_mvm_rx_mfuart_notif(struct iwl_mvm * mvm,struct iwl_rx_cmd_buffer * rxb)1666 void iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm,
1667 			     struct iwl_rx_cmd_buffer *rxb)
1668 {
1669 	struct iwl_rx_packet *pkt = rxb_addr(rxb);
1670 	struct iwl_mfuart_load_notif *mfuart_notif = (void *)pkt->data;
1671 
1672 	IWL_DEBUG_INFO(mvm,
1673 		       "MFUART: installed ver: 0x%08x, external ver: 0x%08x, status: 0x%08x, duration: 0x%08x\n",
1674 		       le32_to_cpu(mfuart_notif->installed_ver),
1675 		       le32_to_cpu(mfuart_notif->external_ver),
1676 		       le32_to_cpu(mfuart_notif->status),
1677 		       le32_to_cpu(mfuart_notif->duration));
1678 
1679 	if (iwl_rx_packet_payload_len(pkt) == sizeof(*mfuart_notif))
1680 		IWL_DEBUG_INFO(mvm,
1681 			       "MFUART: image size: 0x%08x\n",
1682 			       le32_to_cpu(mfuart_notif->image_size));
1683 }
1684