1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
2 /*
3  * Copyright (C) 2012-2014, 2018-2023 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-prph.h"
16 #include "fw/acpi.h"
17 #include "fw/pnvm.h"
18 
19 #include "mvm.h"
20 #include "fw/dbg.h"
21 #include "iwl-phy-db.h"
22 #include "iwl-modparams.h"
23 #include "iwl-nvm-parse.h"
24 #include "time-sync.h"
25 
26 #define MVM_UCODE_ALIVE_TIMEOUT	(HZ)
27 #define MVM_UCODE_CALIB_TIMEOUT	(2 * HZ)
28 
29 #define IWL_TAS_US_MCC 0x5553
30 #define IWL_TAS_CANADA_MCC 0x4341
31 
32 struct iwl_mvm_alive_data {
33 	bool valid;
34 	u32 scd_base_addr;
35 };
36 
iwl_send_tx_ant_cfg(struct iwl_mvm * mvm,u8 valid_tx_ant)37 static int iwl_send_tx_ant_cfg(struct iwl_mvm *mvm, u8 valid_tx_ant)
38 {
39 	struct iwl_tx_ant_cfg_cmd tx_ant_cmd = {
40 		.valid = cpu_to_le32(valid_tx_ant),
41 	};
42 
43 	IWL_DEBUG_FW(mvm, "select valid tx ant: %u\n", valid_tx_ant);
44 	return iwl_mvm_send_cmd_pdu(mvm, TX_ANT_CONFIGURATION_CMD, 0,
45 				    sizeof(tx_ant_cmd), &tx_ant_cmd);
46 }
47 
iwl_send_rss_cfg_cmd(struct iwl_mvm * mvm)48 static int iwl_send_rss_cfg_cmd(struct iwl_mvm *mvm)
49 {
50 	int i;
51 	struct iwl_rss_config_cmd cmd = {
52 		.flags = cpu_to_le32(IWL_RSS_ENABLE),
53 		.hash_mask = BIT(IWL_RSS_HASH_TYPE_IPV4_TCP) |
54 			     BIT(IWL_RSS_HASH_TYPE_IPV4_UDP) |
55 			     BIT(IWL_RSS_HASH_TYPE_IPV4_PAYLOAD) |
56 			     BIT(IWL_RSS_HASH_TYPE_IPV6_TCP) |
57 			     BIT(IWL_RSS_HASH_TYPE_IPV6_UDP) |
58 			     BIT(IWL_RSS_HASH_TYPE_IPV6_PAYLOAD),
59 	};
60 
61 	if (mvm->trans->num_rx_queues == 1)
62 		return 0;
63 
64 	/* Do not direct RSS traffic to Q 0 which is our fallback queue */
65 	for (i = 0; i < ARRAY_SIZE(cmd.indirection_table); i++)
66 		cmd.indirection_table[i] =
67 			1 + (i % (mvm->trans->num_rx_queues - 1));
68 	netdev_rss_key_fill(cmd.secret_key, sizeof(cmd.secret_key));
69 
70 	return iwl_mvm_send_cmd_pdu(mvm, RSS_CONFIG_CMD, 0, sizeof(cmd), &cmd);
71 }
72 
iwl_mvm_send_dqa_cmd(struct iwl_mvm * mvm)73 static int iwl_mvm_send_dqa_cmd(struct iwl_mvm *mvm)
74 {
75 	struct iwl_dqa_enable_cmd dqa_cmd = {
76 		.cmd_queue = cpu_to_le32(IWL_MVM_DQA_CMD_QUEUE),
77 	};
78 	u32 cmd_id = WIDE_ID(DATA_PATH_GROUP, DQA_ENABLE_CMD);
79 	int ret;
80 
81 	ret = iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, sizeof(dqa_cmd), &dqa_cmd);
82 	if (ret)
83 		IWL_ERR(mvm, "Failed to send DQA enabling command: %d\n", ret);
84 	else
85 		IWL_DEBUG_FW(mvm, "Working in DQA mode\n");
86 
87 	return ret;
88 }
89 
iwl_mvm_mfu_assert_dump_notif(struct iwl_mvm * mvm,struct iwl_rx_cmd_buffer * rxb)90 void iwl_mvm_mfu_assert_dump_notif(struct iwl_mvm *mvm,
91 				   struct iwl_rx_cmd_buffer *rxb)
92 {
93 	struct iwl_rx_packet *pkt = rxb_addr(rxb);
94 	struct iwl_mfu_assert_dump_notif *mfu_dump_notif = (void *)pkt->data;
95 
96 	if (mfu_dump_notif->index_num == 0)
97 		IWL_INFO(mvm, "MFUART assert id 0x%x occurred\n",
98 			 le32_to_cpu(mfu_dump_notif->assert_id));
99 }
100 
iwl_alive_fn(struct iwl_notif_wait_data * notif_wait,struct iwl_rx_packet * pkt,void * data)101 static bool iwl_alive_fn(struct iwl_notif_wait_data *notif_wait,
102 			 struct iwl_rx_packet *pkt, void *data)
103 {
104 	unsigned int pkt_len = iwl_rx_packet_payload_len(pkt);
105 	struct iwl_mvm *mvm =
106 		container_of(notif_wait, struct iwl_mvm, notif_wait);
107 	struct iwl_mvm_alive_data *alive_data = data;
108 	struct iwl_umac_alive *umac;
109 	struct iwl_lmac_alive *lmac1;
110 	struct iwl_lmac_alive *lmac2 = NULL;
111 	u16 status;
112 	u32 lmac_error_event_table, umac_error_table;
113 	u32 version = iwl_fw_lookup_notif_ver(mvm->fw, LEGACY_GROUP,
114 					      UCODE_ALIVE_NTFY, 0);
115 	u32 i;
116 
117 
118 	if (version == 6) {
119 		struct iwl_alive_ntf_v6 *palive;
120 
121 		if (pkt_len < sizeof(*palive))
122 			return false;
123 
124 		palive = (void *)pkt->data;
125 		mvm->trans->dbg.imr_data.imr_enable =
126 			le32_to_cpu(palive->imr.enabled);
127 		mvm->trans->dbg.imr_data.imr_size =
128 			le32_to_cpu(palive->imr.size);
129 		mvm->trans->dbg.imr_data.imr2sram_remainbyte =
130 			mvm->trans->dbg.imr_data.imr_size;
131 		mvm->trans->dbg.imr_data.imr_base_addr =
132 			palive->imr.base_addr;
133 		mvm->trans->dbg.imr_data.imr_curr_addr =
134 			le64_to_cpu(mvm->trans->dbg.imr_data.imr_base_addr);
135 		IWL_DEBUG_FW(mvm, "IMR Enabled: 0x0%x  size 0x0%x Address 0x%016llx\n",
136 			     mvm->trans->dbg.imr_data.imr_enable,
137 			     mvm->trans->dbg.imr_data.imr_size,
138 			     le64_to_cpu(mvm->trans->dbg.imr_data.imr_base_addr));
139 
140 		if (!mvm->trans->dbg.imr_data.imr_enable) {
141 			for (i = 0; i < ARRAY_SIZE(mvm->trans->dbg.active_regions); i++) {
142 				struct iwl_ucode_tlv *reg_tlv;
143 				struct iwl_fw_ini_region_tlv *reg;
144 
145 				reg_tlv = mvm->trans->dbg.active_regions[i];
146 				if (!reg_tlv)
147 					continue;
148 
149 				reg = (void *)reg_tlv->data;
150 				/*
151 				 * We have only one DRAM IMR region, so we
152 				 * can break as soon as we find the first
153 				 * one.
154 				 */
155 				if (reg->type == IWL_FW_INI_REGION_DRAM_IMR) {
156 					mvm->trans->dbg.unsupported_region_msk |= BIT(i);
157 					break;
158 				}
159 			}
160 		}
161 	}
162 
163 	if (version >= 5) {
164 		struct iwl_alive_ntf_v5 *palive;
165 
166 		if (pkt_len < sizeof(*palive))
167 			return false;
168 
169 		palive = (void *)pkt->data;
170 		umac = &palive->umac_data;
171 		lmac1 = &palive->lmac_data[0];
172 		lmac2 = &palive->lmac_data[1];
173 		status = le16_to_cpu(palive->status);
174 
175 		mvm->trans->sku_id[0] = le32_to_cpu(palive->sku_id.data[0]);
176 		mvm->trans->sku_id[1] = le32_to_cpu(palive->sku_id.data[1]);
177 		mvm->trans->sku_id[2] = le32_to_cpu(palive->sku_id.data[2]);
178 
179 		IWL_DEBUG_FW(mvm, "Got sku_id: 0x0%x 0x0%x 0x0%x\n",
180 			     mvm->trans->sku_id[0],
181 			     mvm->trans->sku_id[1],
182 			     mvm->trans->sku_id[2]);
183 	} else if (iwl_rx_packet_payload_len(pkt) == sizeof(struct iwl_alive_ntf_v4)) {
184 		struct iwl_alive_ntf_v4 *palive;
185 
186 		if (pkt_len < sizeof(*palive))
187 			return false;
188 
189 		palive = (void *)pkt->data;
190 		umac = &palive->umac_data;
191 		lmac1 = &palive->lmac_data[0];
192 		lmac2 = &palive->lmac_data[1];
193 		status = le16_to_cpu(palive->status);
194 	} else if (iwl_rx_packet_payload_len(pkt) ==
195 		   sizeof(struct iwl_alive_ntf_v3)) {
196 		struct iwl_alive_ntf_v3 *palive3;
197 
198 		if (pkt_len < sizeof(*palive3))
199 			return false;
200 
201 		palive3 = (void *)pkt->data;
202 		umac = &palive3->umac_data;
203 		lmac1 = &palive3->lmac_data;
204 		status = le16_to_cpu(palive3->status);
205 	} else {
206 		WARN(1, "unsupported alive notification (size %d)\n",
207 		     iwl_rx_packet_payload_len(pkt));
208 		/* get timeout later */
209 		return false;
210 	}
211 
212 	lmac_error_event_table =
213 		le32_to_cpu(lmac1->dbg_ptrs.error_event_table_ptr);
214 	iwl_fw_lmac1_set_alive_err_table(mvm->trans, lmac_error_event_table);
215 
216 	if (lmac2)
217 		mvm->trans->dbg.lmac_error_event_table[1] =
218 			le32_to_cpu(lmac2->dbg_ptrs.error_event_table_ptr);
219 
220 	umac_error_table = le32_to_cpu(umac->dbg_ptrs.error_info_addr) &
221 							~FW_ADDR_CACHE_CONTROL;
222 
223 	if (umac_error_table) {
224 		if (umac_error_table >=
225 		    mvm->trans->cfg->min_umac_error_event_table) {
226 			iwl_fw_umac_set_alive_err_table(mvm->trans,
227 							umac_error_table);
228 		} else {
229 			IWL_ERR(mvm,
230 				"Not valid error log pointer 0x%08X for %s uCode\n",
231 				umac_error_table,
232 				(mvm->fwrt.cur_fw_img == IWL_UCODE_INIT) ?
233 				"Init" : "RT");
234 		}
235 	}
236 
237 	alive_data->scd_base_addr = le32_to_cpu(lmac1->dbg_ptrs.scd_base_ptr);
238 	alive_data->valid = status == IWL_ALIVE_STATUS_OK;
239 
240 	IWL_DEBUG_FW(mvm,
241 		     "Alive ucode status 0x%04x revision 0x%01X 0x%01X\n",
242 		     status, lmac1->ver_type, lmac1->ver_subtype);
243 
244 	if (lmac2)
245 		IWL_DEBUG_FW(mvm, "Alive ucode CDB\n");
246 
247 	IWL_DEBUG_FW(mvm,
248 		     "UMAC version: Major - 0x%x, Minor - 0x%x\n",
249 		     le32_to_cpu(umac->umac_major),
250 		     le32_to_cpu(umac->umac_minor));
251 
252 	iwl_fwrt_update_fw_versions(&mvm->fwrt, lmac1, umac);
253 
254 	return true;
255 }
256 
iwl_wait_init_complete(struct iwl_notif_wait_data * notif_wait,struct iwl_rx_packet * pkt,void * data)257 static bool iwl_wait_init_complete(struct iwl_notif_wait_data *notif_wait,
258 				   struct iwl_rx_packet *pkt, void *data)
259 {
260 	WARN_ON(pkt->hdr.cmd != INIT_COMPLETE_NOTIF);
261 
262 	return true;
263 }
264 
iwl_wait_phy_db_entry(struct iwl_notif_wait_data * notif_wait,struct iwl_rx_packet * pkt,void * data)265 static bool iwl_wait_phy_db_entry(struct iwl_notif_wait_data *notif_wait,
266 				  struct iwl_rx_packet *pkt, void *data)
267 {
268 	struct iwl_phy_db *phy_db = data;
269 
270 	if (pkt->hdr.cmd != CALIB_RES_NOTIF_PHY_DB) {
271 		WARN_ON(pkt->hdr.cmd != INIT_COMPLETE_NOTIF);
272 		return true;
273 	}
274 
275 	WARN_ON(iwl_phy_db_set_section(phy_db, pkt));
276 
277 	return false;
278 }
279 
iwl_mvm_print_pd_notification(struct iwl_mvm * mvm)280 static void iwl_mvm_print_pd_notification(struct iwl_mvm *mvm)
281 {
282 #define IWL_FW_PRINT_REG_INFO(reg_name) \
283 	IWL_ERR(mvm, #reg_name ": 0x%x\n", iwl_read_umac_prph(trans, reg_name))
284 
285 	struct iwl_trans *trans = mvm->trans;
286 	enum iwl_device_family device_family = trans->trans_cfg->device_family;
287 
288 	if (device_family < IWL_DEVICE_FAMILY_8000)
289 		return;
290 
291 	if (device_family <= IWL_DEVICE_FAMILY_9000)
292 		IWL_FW_PRINT_REG_INFO(WFPM_ARC1_PD_NOTIFICATION);
293 	else
294 		IWL_FW_PRINT_REG_INFO(WFPM_LMAC1_PD_NOTIFICATION);
295 
296 	IWL_FW_PRINT_REG_INFO(HPM_SECONDARY_DEVICE_STATE);
297 
298 	/* print OPT info */
299 	IWL_FW_PRINT_REG_INFO(WFPM_MAC_OTP_CFG7_ADDR);
300 	IWL_FW_PRINT_REG_INFO(WFPM_MAC_OTP_CFG7_DATA);
301 }
302 
iwl_mvm_load_ucode_wait_alive(struct iwl_mvm * mvm,enum iwl_ucode_type ucode_type)303 static int iwl_mvm_load_ucode_wait_alive(struct iwl_mvm *mvm,
304 					 enum iwl_ucode_type ucode_type)
305 {
306 	struct iwl_notification_wait alive_wait;
307 	struct iwl_mvm_alive_data alive_data = {};
308 	const struct fw_img *fw;
309 	int ret;
310 	enum iwl_ucode_type old_type = mvm->fwrt.cur_fw_img;
311 	static const u16 alive_cmd[] = { UCODE_ALIVE_NTFY };
312 	bool run_in_rfkill =
313 		ucode_type == IWL_UCODE_INIT || iwl_mvm_has_unified_ucode(mvm);
314 	u8 count;
315 	struct iwl_pc_data *pc_data;
316 
317 	if (ucode_type == IWL_UCODE_REGULAR &&
318 	    iwl_fw_dbg_conf_usniffer(mvm->fw, FW_DBG_START_FROM_ALIVE) &&
319 	    !(fw_has_capa(&mvm->fw->ucode_capa,
320 			  IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED)))
321 		fw = iwl_get_ucode_image(mvm->fw, IWL_UCODE_REGULAR_USNIFFER);
322 	else
323 		fw = iwl_get_ucode_image(mvm->fw, ucode_type);
324 	if (WARN_ON(!fw))
325 		return -EINVAL;
326 	iwl_fw_set_current_image(&mvm->fwrt, ucode_type);
327 	clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status);
328 
329 	iwl_init_notification_wait(&mvm->notif_wait, &alive_wait,
330 				   alive_cmd, ARRAY_SIZE(alive_cmd),
331 				   iwl_alive_fn, &alive_data);
332 
333 	/*
334 	 * We want to load the INIT firmware even in RFKILL
335 	 * For the unified firmware case, the ucode_type is not
336 	 * INIT, but we still need to run it.
337 	 */
338 	ret = iwl_trans_start_fw(mvm->trans, fw, run_in_rfkill);
339 	if (ret) {
340 		iwl_fw_set_current_image(&mvm->fwrt, old_type);
341 		iwl_remove_notification(&mvm->notif_wait, &alive_wait);
342 		return ret;
343 	}
344 
345 	/*
346 	 * Some things may run in the background now, but we
347 	 * just wait for the ALIVE notification here.
348 	 */
349 	ret = iwl_wait_notification(&mvm->notif_wait, &alive_wait,
350 				    MVM_UCODE_ALIVE_TIMEOUT);
351 
352 	if (mvm->trans->trans_cfg->device_family ==
353 	    IWL_DEVICE_FAMILY_AX210) {
354 		/* print these registers regardless of alive fail/success */
355 		IWL_INFO(mvm, "WFPM_UMAC_PD_NOTIFICATION: 0x%x\n",
356 			 iwl_read_umac_prph(mvm->trans, WFPM_ARC1_PD_NOTIFICATION));
357 		IWL_INFO(mvm, "WFPM_LMAC2_PD_NOTIFICATION: 0x%x\n",
358 			 iwl_read_umac_prph(mvm->trans, WFPM_LMAC2_PD_NOTIFICATION));
359 		IWL_INFO(mvm, "WFPM_AUTH_KEY_0: 0x%x\n",
360 			 iwl_read_umac_prph(mvm->trans, SB_MODIFY_CFG_FLAG));
361 		IWL_INFO(mvm, "CNVI_SCU_SEQ_DATA_DW9: 0x%x\n",
362 			 iwl_read_prph(mvm->trans, CNVI_SCU_SEQ_DATA_DW9));
363 	}
364 
365 	if (ret) {
366 		struct iwl_trans *trans = mvm->trans;
367 
368 		/* SecBoot info */
369 		if (trans->trans_cfg->device_family >=
370 					IWL_DEVICE_FAMILY_22000) {
371 			IWL_ERR(mvm,
372 				"SecBoot CPU1 Status: 0x%x, CPU2 Status: 0x%x\n",
373 				iwl_read_umac_prph(trans, UMAG_SB_CPU_1_STATUS),
374 				iwl_read_umac_prph(trans,
375 						   UMAG_SB_CPU_2_STATUS));
376 		} else if (trans->trans_cfg->device_family >=
377 			   IWL_DEVICE_FAMILY_8000) {
378 			IWL_ERR(mvm,
379 				"SecBoot CPU1 Status: 0x%x, CPU2 Status: 0x%x\n",
380 				iwl_read_prph(trans, SB_CPU_1_STATUS),
381 				iwl_read_prph(trans, SB_CPU_2_STATUS));
382 		}
383 
384 		iwl_mvm_print_pd_notification(mvm);
385 
386 		/* LMAC/UMAC PC info */
387 		if (trans->trans_cfg->device_family >=
388 					IWL_DEVICE_FAMILY_22000) {
389 			pc_data = trans->dbg.pc_data;
390 			for (count = 0; count < trans->dbg.num_pc;
391 			     count++, pc_data++)
392 				IWL_ERR(mvm, "%s: 0x%x\n",
393 					pc_data->pc_name,
394 					pc_data->pc_address);
395 		} else if (trans->trans_cfg->device_family >=
396 					IWL_DEVICE_FAMILY_9000) {
397 			IWL_ERR(mvm, "UMAC PC: 0x%x\n",
398 				iwl_read_umac_prph(trans,
399 						   UREG_UMAC_CURRENT_PC));
400 			IWL_ERR(mvm, "LMAC PC: 0x%x\n",
401 				iwl_read_umac_prph(trans,
402 						   UREG_LMAC1_CURRENT_PC));
403 			if (iwl_mvm_is_cdb_supported(mvm))
404 				IWL_ERR(mvm, "LMAC2 PC: 0x%x\n",
405 					iwl_read_umac_prph(trans,
406 						UREG_LMAC2_CURRENT_PC));
407 		}
408 
409 		if (ret == -ETIMEDOUT && !mvm->pldr_sync)
410 			iwl_fw_dbg_error_collect(&mvm->fwrt,
411 						 FW_DBG_TRIGGER_ALIVE_TIMEOUT);
412 
413 		iwl_fw_set_current_image(&mvm->fwrt, old_type);
414 		return ret;
415 	}
416 
417 	if (!alive_data.valid) {
418 		IWL_ERR(mvm, "Loaded ucode is not valid!\n");
419 		iwl_fw_set_current_image(&mvm->fwrt, old_type);
420 		return -EIO;
421 	}
422 
423 	/* if reached this point, Alive notification was received */
424 	iwl_mei_alive_notif(true);
425 
426 	ret = iwl_pnvm_load(mvm->trans, &mvm->notif_wait,
427 			    &mvm->fw->ucode_capa);
428 	if (ret) {
429 		IWL_ERR(mvm, "Timeout waiting for PNVM load!\n");
430 		iwl_fw_set_current_image(&mvm->fwrt, old_type);
431 		return ret;
432 	}
433 
434 	iwl_trans_fw_alive(mvm->trans, alive_data.scd_base_addr);
435 
436 	/*
437 	 * Note: all the queues are enabled as part of the interface
438 	 * initialization, but in firmware restart scenarios they
439 	 * could be stopped, so wake them up. In firmware restart,
440 	 * mac80211 will have the queues stopped as well until the
441 	 * reconfiguration completes. During normal startup, they
442 	 * will be empty.
443 	 */
444 
445 	memset(&mvm->queue_info, 0, sizeof(mvm->queue_info));
446 	/*
447 	 * Set a 'fake' TID for the command queue, since we use the
448 	 * hweight() of the tid_bitmap as a refcount now. Not that
449 	 * we ever even consider the command queue as one we might
450 	 * want to reuse, but be safe nevertheless.
451 	 */
452 	mvm->queue_info[IWL_MVM_DQA_CMD_QUEUE].tid_bitmap =
453 		BIT(IWL_MAX_TID_COUNT + 2);
454 
455 	set_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status);
456 #ifdef CONFIG_IWLWIFI_DEBUGFS
457 	iwl_fw_set_dbg_rec_on(&mvm->fwrt);
458 #endif
459 
460 	/*
461 	 * All the BSSes in the BSS table include the GP2 in the system
462 	 * at the beacon Rx time, this is of course no longer relevant
463 	 * since we are resetting the firmware.
464 	 * Purge all the BSS table.
465 	 */
466 	cfg80211_bss_flush(mvm->hw->wiphy);
467 
468 	return 0;
469 }
470 
iwl_mvm_phy_filter_init(struct iwl_mvm * mvm,struct iwl_phy_specific_cfg * phy_filters)471 static void iwl_mvm_phy_filter_init(struct iwl_mvm *mvm,
472 				    struct iwl_phy_specific_cfg *phy_filters)
473 {
474 #ifdef CONFIG_ACPI
475 	*phy_filters = mvm->phy_filters;
476 #endif /* CONFIG_ACPI */
477 }
478 
479 #if defined(CONFIG_ACPI) && defined(CONFIG_EFI)
iwl_mvm_sgom_init(struct iwl_mvm * mvm)480 static int iwl_mvm_sgom_init(struct iwl_mvm *mvm)
481 {
482 	u8 cmd_ver;
483 	int ret;
484 	struct iwl_host_cmd cmd = {
485 		.id = WIDE_ID(REGULATORY_AND_NVM_GROUP,
486 			      SAR_OFFSET_MAPPING_TABLE_CMD),
487 		.flags = 0,
488 		.data[0] = &mvm->fwrt.sgom_table,
489 		.len[0] =  sizeof(mvm->fwrt.sgom_table),
490 		.dataflags[0] = IWL_HCMD_DFL_NOCOPY,
491 	};
492 
493 	if (!mvm->fwrt.sgom_enabled) {
494 		IWL_DEBUG_RADIO(mvm, "SGOM table is disabled\n");
495 		return 0;
496 	}
497 
498 	cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd.id,
499 					IWL_FW_CMD_VER_UNKNOWN);
500 
501 	if (cmd_ver != 2) {
502 		IWL_DEBUG_RADIO(mvm, "command version is unsupported. version = %d\n",
503 				cmd_ver);
504 		return 0;
505 	}
506 
507 	ret = iwl_mvm_send_cmd(mvm, &cmd);
508 	if (ret < 0)
509 		IWL_ERR(mvm, "failed to send SAR_OFFSET_MAPPING_CMD (%d)\n", ret);
510 
511 	return ret;
512 }
513 #else
514 
iwl_mvm_sgom_init(struct iwl_mvm * mvm)515 static int iwl_mvm_sgom_init(struct iwl_mvm *mvm)
516 {
517 	return 0;
518 }
519 #endif
520 
iwl_send_phy_cfg_cmd(struct iwl_mvm * mvm)521 static int iwl_send_phy_cfg_cmd(struct iwl_mvm *mvm)
522 {
523 	u32 cmd_id = PHY_CONFIGURATION_CMD;
524 	struct iwl_phy_cfg_cmd_v3 phy_cfg_cmd;
525 	enum iwl_ucode_type ucode_type = mvm->fwrt.cur_fw_img;
526 	u8 cmd_ver;
527 	size_t cmd_size;
528 
529 	if (iwl_mvm_has_unified_ucode(mvm) &&
530 	    !mvm->trans->cfg->tx_with_siso_diversity)
531 		return 0;
532 
533 	if (mvm->trans->cfg->tx_with_siso_diversity) {
534 		/*
535 		 * TODO: currently we don't set the antenna but letting the NIC
536 		 * to decide which antenna to use. This should come from BIOS.
537 		 */
538 		phy_cfg_cmd.phy_cfg =
539 			cpu_to_le32(FW_PHY_CFG_CHAIN_SAD_ENABLED);
540 	}
541 
542 	/* Set parameters */
543 	phy_cfg_cmd.phy_cfg = cpu_to_le32(iwl_mvm_get_phy_config(mvm));
544 
545 	/* set flags extra PHY configuration flags from the device's cfg */
546 	phy_cfg_cmd.phy_cfg |=
547 		cpu_to_le32(mvm->trans->trans_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 	cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id,
555 					IWL_FW_CMD_VER_UNKNOWN);
556 	if (cmd_ver >= 3)
557 		iwl_mvm_phy_filter_init(mvm, &phy_cfg_cmd.phy_specific_cfg);
558 
559 	IWL_DEBUG_INFO(mvm, "Sending Phy CFG command: 0x%x\n",
560 		       phy_cfg_cmd.phy_cfg);
561 	cmd_size = (cmd_ver == 3) ? sizeof(struct iwl_phy_cfg_cmd_v3) :
562 				    sizeof(struct iwl_phy_cfg_cmd_v1);
563 	return iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, cmd_size, &phy_cfg_cmd);
564 }
565 
iwl_run_unified_mvm_ucode(struct iwl_mvm * mvm)566 static int iwl_run_unified_mvm_ucode(struct iwl_mvm *mvm)
567 {
568 	struct iwl_notification_wait init_wait;
569 	struct iwl_nvm_access_complete_cmd nvm_complete = {};
570 	struct iwl_init_extended_cfg_cmd init_cfg = {
571 		.init_flags = cpu_to_le32(BIT(IWL_INIT_NVM)),
572 	};
573 	static const u16 init_complete[] = {
574 		INIT_COMPLETE_NOTIF,
575 	};
576 	int ret;
577 
578 	if (mvm->trans->cfg->tx_with_siso_diversity)
579 		init_cfg.init_flags |= cpu_to_le32(BIT(IWL_INIT_PHY));
580 
581 	lockdep_assert_held(&mvm->mutex);
582 
583 	mvm->rfkill_safe_init_done = false;
584 
585 	iwl_init_notification_wait(&mvm->notif_wait,
586 				   &init_wait,
587 				   init_complete,
588 				   ARRAY_SIZE(init_complete),
589 				   iwl_wait_init_complete,
590 				   NULL);
591 
592 	iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_EARLY, NULL);
593 
594 	/* Will also start the device */
595 	ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_REGULAR);
596 	if (ret) {
597 		IWL_ERR(mvm, "Failed to start RT ucode: %d\n", ret);
598 		goto error;
599 	}
600 	iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_AFTER_ALIVE,
601 			       NULL);
602 
603 	/* Send init config command to mark that we are sending NVM access
604 	 * commands
605 	 */
606 	ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(SYSTEM_GROUP,
607 						INIT_EXTENDED_CFG_CMD),
608 				   CMD_SEND_IN_RFKILL,
609 				   sizeof(init_cfg), &init_cfg);
610 	if (ret) {
611 		IWL_ERR(mvm, "Failed to run init config command: %d\n",
612 			ret);
613 		goto error;
614 	}
615 
616 	/* Load NVM to NIC if needed */
617 	if (mvm->nvm_file_name) {
618 		ret = iwl_read_external_nvm(mvm->trans, mvm->nvm_file_name,
619 					    mvm->nvm_sections);
620 		if (ret)
621 			goto error;
622 		ret = iwl_mvm_load_nvm_to_nic(mvm);
623 		if (ret)
624 			goto error;
625 	}
626 
627 	if (IWL_MVM_PARSE_NVM && !mvm->nvm_data) {
628 		ret = iwl_nvm_init(mvm);
629 		if (ret) {
630 			IWL_ERR(mvm, "Failed to read NVM: %d\n", ret);
631 			goto error;
632 		}
633 	}
634 
635 	ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(REGULATORY_AND_NVM_GROUP,
636 						NVM_ACCESS_COMPLETE),
637 				   CMD_SEND_IN_RFKILL,
638 				   sizeof(nvm_complete), &nvm_complete);
639 	if (ret) {
640 		IWL_ERR(mvm, "Failed to run complete NVM access: %d\n",
641 			ret);
642 		goto error;
643 	}
644 
645 	ret = iwl_send_phy_cfg_cmd(mvm);
646 	if (ret) {
647 		IWL_ERR(mvm, "Failed to run PHY configuration: %d\n",
648 			ret);
649 		goto error;
650 	}
651 
652 	/* We wait for the INIT complete notification */
653 	ret = iwl_wait_notification(&mvm->notif_wait, &init_wait,
654 				    MVM_UCODE_ALIVE_TIMEOUT);
655 	if (ret)
656 		return ret;
657 
658 	/* Read the NVM only at driver load time, no need to do this twice */
659 	if (!IWL_MVM_PARSE_NVM && !mvm->nvm_data) {
660 		mvm->nvm_data = iwl_get_nvm(mvm->trans, mvm->fw);
661 		if (IS_ERR(mvm->nvm_data)) {
662 			ret = PTR_ERR(mvm->nvm_data);
663 			mvm->nvm_data = NULL;
664 			IWL_ERR(mvm, "Failed to read NVM: %d\n", ret);
665 			return ret;
666 		}
667 	}
668 
669 	mvm->rfkill_safe_init_done = true;
670 
671 	return 0;
672 
673 error:
674 	iwl_remove_notification(&mvm->notif_wait, &init_wait);
675 	return ret;
676 }
677 
iwl_run_init_mvm_ucode(struct iwl_mvm * mvm)678 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm)
679 {
680 	struct iwl_notification_wait calib_wait;
681 	static const u16 init_complete[] = {
682 		INIT_COMPLETE_NOTIF,
683 		CALIB_RES_NOTIF_PHY_DB
684 	};
685 	int ret;
686 
687 	if (iwl_mvm_has_unified_ucode(mvm))
688 		return iwl_run_unified_mvm_ucode(mvm);
689 
690 	lockdep_assert_held(&mvm->mutex);
691 
692 	mvm->rfkill_safe_init_done = false;
693 
694 	iwl_init_notification_wait(&mvm->notif_wait,
695 				   &calib_wait,
696 				   init_complete,
697 				   ARRAY_SIZE(init_complete),
698 				   iwl_wait_phy_db_entry,
699 				   mvm->phy_db);
700 
701 	iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_EARLY, NULL);
702 
703 	/* Will also start the device */
704 	ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_INIT);
705 	if (ret) {
706 		IWL_ERR(mvm, "Failed to start INIT ucode: %d\n", ret);
707 		goto remove_notif;
708 	}
709 
710 	if (mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_8000) {
711 		ret = iwl_mvm_send_bt_init_conf(mvm);
712 		if (ret)
713 			goto remove_notif;
714 	}
715 
716 	/* Read the NVM only at driver load time, no need to do this twice */
717 	if (!mvm->nvm_data) {
718 		ret = iwl_nvm_init(mvm);
719 		if (ret) {
720 			IWL_ERR(mvm, "Failed to read NVM: %d\n", ret);
721 			goto remove_notif;
722 		}
723 	}
724 
725 	/* In case we read the NVM from external file, load it to the NIC */
726 	if (mvm->nvm_file_name) {
727 		ret = iwl_mvm_load_nvm_to_nic(mvm);
728 		if (ret)
729 			goto remove_notif;
730 	}
731 
732 	WARN_ONCE(mvm->nvm_data->nvm_version < mvm->trans->cfg->nvm_ver,
733 		  "Too old NVM version (0x%0x, required = 0x%0x)",
734 		  mvm->nvm_data->nvm_version, mvm->trans->cfg->nvm_ver);
735 
736 	/*
737 	 * abort after reading the nvm in case RF Kill is on, we will complete
738 	 * the init seq later when RF kill will switch to off
739 	 */
740 	if (iwl_mvm_is_radio_hw_killed(mvm)) {
741 		IWL_DEBUG_RF_KILL(mvm,
742 				  "jump over all phy activities due to RF kill\n");
743 		goto remove_notif;
744 	}
745 
746 	mvm->rfkill_safe_init_done = true;
747 
748 	/* Send TX valid antennas before triggering calibrations */
749 	ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm));
750 	if (ret)
751 		goto remove_notif;
752 
753 	ret = iwl_send_phy_cfg_cmd(mvm);
754 	if (ret) {
755 		IWL_ERR(mvm, "Failed to run INIT calibrations: %d\n",
756 			ret);
757 		goto remove_notif;
758 	}
759 
760 	/*
761 	 * Some things may run in the background now, but we
762 	 * just wait for the calibration complete notification.
763 	 */
764 	ret = iwl_wait_notification(&mvm->notif_wait, &calib_wait,
765 				    MVM_UCODE_CALIB_TIMEOUT);
766 	if (!ret)
767 		goto out;
768 
769 	if (iwl_mvm_is_radio_hw_killed(mvm)) {
770 		IWL_DEBUG_RF_KILL(mvm, "RFKILL while calibrating.\n");
771 		ret = 0;
772 	} else {
773 		IWL_ERR(mvm, "Failed to run INIT calibrations: %d\n",
774 			ret);
775 	}
776 
777 	goto out;
778 
779 remove_notif:
780 	iwl_remove_notification(&mvm->notif_wait, &calib_wait);
781 out:
782 	mvm->rfkill_safe_init_done = false;
783 	if (iwlmvm_mod_params.init_dbg && !mvm->nvm_data) {
784 		/* we want to debug INIT and we have no NVM - fake */
785 		mvm->nvm_data = kzalloc(sizeof(struct iwl_nvm_data) +
786 					sizeof(struct ieee80211_channel) +
787 					sizeof(struct ieee80211_rate),
788 					GFP_KERNEL);
789 		if (!mvm->nvm_data)
790 			return -ENOMEM;
791 		mvm->nvm_data->bands[0].channels = mvm->nvm_data->channels;
792 		mvm->nvm_data->bands[0].n_channels = 1;
793 		mvm->nvm_data->bands[0].n_bitrates = 1;
794 		mvm->nvm_data->bands[0].bitrates =
795 			(void *)(mvm->nvm_data->channels + 1);
796 		mvm->nvm_data->bands[0].bitrates->hw_value = 10;
797 	}
798 
799 	return ret;
800 }
801 
iwl_mvm_config_ltr(struct iwl_mvm * mvm)802 static int iwl_mvm_config_ltr(struct iwl_mvm *mvm)
803 {
804 	struct iwl_ltr_config_cmd cmd = {
805 		.flags = cpu_to_le32(LTR_CFG_FLAG_FEATURE_ENABLE),
806 	};
807 
808 	if (!mvm->trans->ltr_enabled)
809 		return 0;
810 
811 	return iwl_mvm_send_cmd_pdu(mvm, LTR_CONFIG, 0,
812 				    sizeof(cmd), &cmd);
813 }
814 
815 #ifdef CONFIG_ACPI
iwl_mvm_sar_select_profile(struct iwl_mvm * mvm,int prof_a,int prof_b)816 int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a, int prof_b)
817 {
818 	u32 cmd_id = REDUCE_TX_POWER_CMD;
819 	struct iwl_dev_tx_power_cmd cmd = {
820 		.common.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_CHAINS),
821 	};
822 	__le16 *per_chain;
823 	int ret;
824 	u16 len = 0;
825 	u32 n_subbands;
826 	u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id,
827 					   IWL_FW_CMD_VER_UNKNOWN);
828 	if (cmd_ver == 7) {
829 		len = sizeof(cmd.v7);
830 		n_subbands = IWL_NUM_SUB_BANDS_V2;
831 		per_chain = cmd.v7.per_chain[0][0];
832 		cmd.v7.flags = cpu_to_le32(mvm->fwrt.reduced_power_flags);
833 	} else if (cmd_ver == 6) {
834 		len = sizeof(cmd.v6);
835 		n_subbands = IWL_NUM_SUB_BANDS_V2;
836 		per_chain = cmd.v6.per_chain[0][0];
837 	} else if (fw_has_api(&mvm->fw->ucode_capa,
838 			      IWL_UCODE_TLV_API_REDUCE_TX_POWER)) {
839 		len = sizeof(cmd.v5);
840 		n_subbands = IWL_NUM_SUB_BANDS_V1;
841 		per_chain = cmd.v5.per_chain[0][0];
842 	} else if (fw_has_capa(&mvm->fw->ucode_capa,
843 			       IWL_UCODE_TLV_CAPA_TX_POWER_ACK)) {
844 		len = sizeof(cmd.v4);
845 		n_subbands = IWL_NUM_SUB_BANDS_V1;
846 		per_chain = cmd.v4.per_chain[0][0];
847 	} else {
848 		len = sizeof(cmd.v3);
849 		n_subbands = IWL_NUM_SUB_BANDS_V1;
850 		per_chain = cmd.v3.per_chain[0][0];
851 	}
852 
853 	/* all structs have the same common part, add it */
854 	len += sizeof(cmd.common);
855 
856 	ret = iwl_sar_select_profile(&mvm->fwrt, per_chain,
857 				     IWL_NUM_CHAIN_TABLES,
858 				     n_subbands, prof_a, prof_b);
859 
860 	/* return on error or if the profile is disabled (positive number) */
861 	if (ret)
862 		return ret;
863 
864 	iwl_mei_set_power_limit(per_chain);
865 
866 	IWL_DEBUG_RADIO(mvm, "Sending REDUCE_TX_POWER_CMD per chain\n");
867 	return iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, len, &cmd);
868 }
869 
iwl_mvm_get_sar_geo_profile(struct iwl_mvm * mvm)870 int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm)
871 {
872 	union iwl_geo_tx_power_profiles_cmd geo_tx_cmd;
873 	struct iwl_geo_tx_power_profiles_resp *resp;
874 	u16 len;
875 	int ret;
876 	struct iwl_host_cmd cmd = {
877 		.id = WIDE_ID(PHY_OPS_GROUP, PER_CHAIN_LIMIT_OFFSET_CMD),
878 		.flags = CMD_WANT_SKB,
879 		.data = { &geo_tx_cmd },
880 	};
881 	u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd.id,
882 					   IWL_FW_CMD_VER_UNKNOWN);
883 
884 	/* the ops field is at the same spot for all versions, so set in v1 */
885 	geo_tx_cmd.v1.ops =
886 		cpu_to_le32(IWL_PER_CHAIN_OFFSET_GET_CURRENT_TABLE);
887 
888 	if (cmd_ver == 5)
889 		len = sizeof(geo_tx_cmd.v5);
890 	else if (cmd_ver == 4)
891 		len = sizeof(geo_tx_cmd.v4);
892 	else if (cmd_ver == 3)
893 		len = sizeof(geo_tx_cmd.v3);
894 	else if (fw_has_api(&mvm->fwrt.fw->ucode_capa,
895 			    IWL_UCODE_TLV_API_SAR_TABLE_VER))
896 		len = sizeof(geo_tx_cmd.v2);
897 	else
898 		len = sizeof(geo_tx_cmd.v1);
899 
900 	if (!iwl_sar_geo_support(&mvm->fwrt))
901 		return -EOPNOTSUPP;
902 
903 	cmd.len[0] = len;
904 
905 	ret = iwl_mvm_send_cmd(mvm, &cmd);
906 	if (ret) {
907 		IWL_ERR(mvm, "Failed to get geographic profile info %d\n", ret);
908 		return ret;
909 	}
910 
911 	resp = (void *)cmd.resp_pkt->data;
912 	ret = le32_to_cpu(resp->profile_idx);
913 
914 	if (WARN_ON(ret > ACPI_NUM_GEO_PROFILES_REV3))
915 		ret = -EIO;
916 
917 	iwl_free_resp(&cmd);
918 	return ret;
919 }
920 
iwl_mvm_sar_geo_init(struct iwl_mvm * mvm)921 static int iwl_mvm_sar_geo_init(struct iwl_mvm *mvm)
922 {
923 	u32 cmd_id = WIDE_ID(PHY_OPS_GROUP, PER_CHAIN_LIMIT_OFFSET_CMD);
924 	union iwl_geo_tx_power_profiles_cmd cmd;
925 	u16 len;
926 	u32 n_bands;
927 	u32 n_profiles;
928 	u32 sk = 0;
929 	int ret;
930 	u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id,
931 					   IWL_FW_CMD_VER_UNKNOWN);
932 
933 	BUILD_BUG_ON(offsetof(struct iwl_geo_tx_power_profiles_cmd_v1, ops) !=
934 		     offsetof(struct iwl_geo_tx_power_profiles_cmd_v2, ops) ||
935 		     offsetof(struct iwl_geo_tx_power_profiles_cmd_v2, ops) !=
936 		     offsetof(struct iwl_geo_tx_power_profiles_cmd_v3, ops) ||
937 		     offsetof(struct iwl_geo_tx_power_profiles_cmd_v3, ops) !=
938 		     offsetof(struct iwl_geo_tx_power_profiles_cmd_v4, ops) ||
939 		     offsetof(struct iwl_geo_tx_power_profiles_cmd_v4, ops) !=
940 		     offsetof(struct iwl_geo_tx_power_profiles_cmd_v5, ops));
941 
942 	/* the ops field is at the same spot for all versions, so set in v1 */
943 	cmd.v1.ops = cpu_to_le32(IWL_PER_CHAIN_OFFSET_SET_TABLES);
944 
945 	if (cmd_ver == 5) {
946 		len = sizeof(cmd.v5);
947 		n_bands = ARRAY_SIZE(cmd.v5.table[0]);
948 		n_profiles = ACPI_NUM_GEO_PROFILES_REV3;
949 	} else if (cmd_ver == 4) {
950 		len = sizeof(cmd.v4);
951 		n_bands = ARRAY_SIZE(cmd.v4.table[0]);
952 		n_profiles = ACPI_NUM_GEO_PROFILES_REV3;
953 	} else if (cmd_ver == 3) {
954 		len = sizeof(cmd.v3);
955 		n_bands = ARRAY_SIZE(cmd.v3.table[0]);
956 		n_profiles = ACPI_NUM_GEO_PROFILES;
957 	} else if (fw_has_api(&mvm->fwrt.fw->ucode_capa,
958 			      IWL_UCODE_TLV_API_SAR_TABLE_VER)) {
959 		len = sizeof(cmd.v2);
960 		n_bands = ARRAY_SIZE(cmd.v2.table[0]);
961 		n_profiles = ACPI_NUM_GEO_PROFILES;
962 	} else {
963 		len = sizeof(cmd.v1);
964 		n_bands = ARRAY_SIZE(cmd.v1.table[0]);
965 		n_profiles = ACPI_NUM_GEO_PROFILES;
966 	}
967 
968 	BUILD_BUG_ON(offsetof(struct iwl_geo_tx_power_profiles_cmd_v1, table) !=
969 		     offsetof(struct iwl_geo_tx_power_profiles_cmd_v2, table) ||
970 		     offsetof(struct iwl_geo_tx_power_profiles_cmd_v2, table) !=
971 		     offsetof(struct iwl_geo_tx_power_profiles_cmd_v3, table) ||
972 		     offsetof(struct iwl_geo_tx_power_profiles_cmd_v3, table) !=
973 		     offsetof(struct iwl_geo_tx_power_profiles_cmd_v4, table) ||
974 		     offsetof(struct iwl_geo_tx_power_profiles_cmd_v4, table) !=
975 		     offsetof(struct iwl_geo_tx_power_profiles_cmd_v5, table));
976 	/* the table is at the same position for all versions, so set use v1 */
977 	ret = iwl_sar_geo_init(&mvm->fwrt, &cmd.v1.table[0][0],
978 			       n_bands, n_profiles);
979 
980 	/*
981 	 * It is a valid scenario to not support SAR, or miss wgds table,
982 	 * but in that case there is no need to send the command.
983 	 */
984 	if (ret)
985 		return 0;
986 
987 	/* Only set to South Korea if the table revision is 1 */
988 	if (mvm->fwrt.geo_rev == 1)
989 		sk = 1;
990 
991 	/*
992 	 * Set the table_revision to South Korea (1) or not (0).  The
993 	 * element name is misleading, as it doesn't contain the table
994 	 * revision number, but whether the South Korea variation
995 	 * should be used.
996 	 * This must be done after calling iwl_sar_geo_init().
997 	 */
998 	if (cmd_ver == 5)
999 		cmd.v5.table_revision = cpu_to_le32(sk);
1000 	else if (cmd_ver == 4)
1001 		cmd.v4.table_revision = cpu_to_le32(sk);
1002 	else if (cmd_ver == 3)
1003 		cmd.v3.table_revision = cpu_to_le32(sk);
1004 	else if (fw_has_api(&mvm->fwrt.fw->ucode_capa,
1005 			    IWL_UCODE_TLV_API_SAR_TABLE_VER))
1006 		cmd.v2.table_revision = cpu_to_le32(sk);
1007 
1008 	return iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, len, &cmd);
1009 }
1010 
iwl_mvm_ppag_send_cmd(struct iwl_mvm * mvm)1011 int iwl_mvm_ppag_send_cmd(struct iwl_mvm *mvm)
1012 {
1013 	union iwl_ppag_table_cmd cmd;
1014 	int ret, cmd_size;
1015 
1016 	ret = iwl_read_ppag_table(&mvm->fwrt, &cmd, &cmd_size);
1017 	/* Not supporting PPAG table is a valid scenario */
1018 	if (ret < 0)
1019 		return 0;
1020 
1021 	IWL_DEBUG_RADIO(mvm, "Sending PER_PLATFORM_ANT_GAIN_CMD\n");
1022 	ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(PHY_OPS_GROUP,
1023 						PER_PLATFORM_ANT_GAIN_CMD),
1024 				   0, cmd_size, &cmd);
1025 	if (ret < 0)
1026 		IWL_ERR(mvm, "failed to send PER_PLATFORM_ANT_GAIN_CMD (%d)\n",
1027 			ret);
1028 
1029 	return ret;
1030 }
1031 
iwl_mvm_ppag_init(struct iwl_mvm * mvm)1032 static int iwl_mvm_ppag_init(struct iwl_mvm *mvm)
1033 {
1034 	/* no need to read the table, done in INIT stage */
1035 	if (!(iwl_acpi_is_ppag_approved(&mvm->fwrt)))
1036 		return 0;
1037 
1038 	return iwl_mvm_ppag_send_cmd(mvm);
1039 }
1040 
1041 static const struct dmi_system_id dmi_tas_approved_list[] = {
1042 	{ .ident = "HP",
1043 	  .matches = {
1044 			DMI_MATCH(DMI_SYS_VENDOR, "HP"),
1045 		},
1046 	},
1047 	{ .ident = "SAMSUNG",
1048 	  .matches = {
1049 			DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD"),
1050 		},
1051 	},
1052 		{ .ident = "LENOVO",
1053 	  .matches = {
1054 			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
1055 		},
1056 	},
1057 	{ .ident = "DELL",
1058 	  .matches = {
1059 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
1060 		},
1061 	},
1062 	{ .ident = "MSFT",
1063 	  .matches = {
1064 			DMI_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
1065 		},
1066 	},
1067 	{ .ident = "Acer",
1068 	  .matches = {
1069 			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
1070 		},
1071 	},
1072 	{ .ident = "ASUS",
1073 	  .matches = {
1074 			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
1075 		},
1076 	},
1077 	{ .ident = "MSI",
1078 	  .matches = {
1079 			DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International Co., Ltd."),
1080 		},
1081 	},
1082 	{ .ident = "Honor",
1083 	  .matches = {
1084 			DMI_MATCH(DMI_SYS_VENDOR, "HONOR"),
1085 		},
1086 	},
1087 	/* keep last */
1088 	{}
1089 };
1090 
iwl_mvm_is_vendor_in_approved_list(void)1091 bool iwl_mvm_is_vendor_in_approved_list(void)
1092 {
1093 	return dmi_check_system(dmi_tas_approved_list);
1094 }
1095 
iwl_mvm_add_to_tas_block_list(__le32 * list,__le32 * le_size,unsigned int mcc)1096 static bool iwl_mvm_add_to_tas_block_list(__le32 *list, __le32 *le_size, unsigned int mcc)
1097 {
1098 	int i;
1099 	u32 size = le32_to_cpu(*le_size);
1100 
1101 	/* Verify that there is room for another country */
1102 	if (size >= IWL_TAS_BLOCK_LIST_MAX)
1103 		return false;
1104 
1105 	for (i = 0; i < size; i++) {
1106 		if (list[i] == cpu_to_le32(mcc))
1107 			return true;
1108 	}
1109 
1110 	list[size++] = cpu_to_le32(mcc);
1111 	*le_size = cpu_to_le32(size);
1112 	return true;
1113 }
1114 
iwl_mvm_tas_init(struct iwl_mvm * mvm)1115 static void iwl_mvm_tas_init(struct iwl_mvm *mvm)
1116 {
1117 	u32 cmd_id = WIDE_ID(REGULATORY_AND_NVM_GROUP, TAS_CONFIG);
1118 	int ret;
1119 	union iwl_tas_config_cmd cmd = {};
1120 	int cmd_size, fw_ver;
1121 
1122 	BUILD_BUG_ON(ARRAY_SIZE(cmd.v3.block_list_array) <
1123 		     APCI_WTAS_BLACK_LIST_MAX);
1124 
1125 	if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TAS_CFG)) {
1126 		IWL_DEBUG_RADIO(mvm, "TAS not enabled in FW\n");
1127 		return;
1128 	}
1129 
1130 	fw_ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id,
1131 				       IWL_FW_CMD_VER_UNKNOWN);
1132 
1133 	ret = iwl_acpi_get_tas(&mvm->fwrt, &cmd, fw_ver);
1134 	if (ret < 0) {
1135 		IWL_DEBUG_RADIO(mvm,
1136 				"TAS table invalid or unavailable. (%d)\n",
1137 				ret);
1138 		return;
1139 	}
1140 
1141 	if (ret == 0)
1142 		return;
1143 
1144 	if (!iwl_mvm_is_vendor_in_approved_list()) {
1145 		IWL_DEBUG_RADIO(mvm,
1146 				"System vendor '%s' is not in the approved list, disabling TAS in US and Canada.\n",
1147 				dmi_get_system_info(DMI_SYS_VENDOR));
1148 		if ((!iwl_mvm_add_to_tas_block_list(cmd.v4.block_list_array,
1149 						    &cmd.v4.block_list_size,
1150 							IWL_TAS_US_MCC)) ||
1151 		    (!iwl_mvm_add_to_tas_block_list(cmd.v4.block_list_array,
1152 						    &cmd.v4.block_list_size,
1153 							IWL_TAS_CANADA_MCC))) {
1154 			IWL_DEBUG_RADIO(mvm,
1155 					"Unable to add US/Canada to TAS block list, disabling TAS\n");
1156 			return;
1157 		}
1158 	} else {
1159 		IWL_DEBUG_RADIO(mvm,
1160 				"System vendor '%s' is in the approved list.\n",
1161 				dmi_get_system_info(DMI_SYS_VENDOR));
1162 	}
1163 
1164 	/* v4 is the same size as v3, so no need to differentiate here */
1165 	cmd_size = fw_ver < 3 ?
1166 		sizeof(struct iwl_tas_config_cmd_v2) :
1167 		sizeof(struct iwl_tas_config_cmd_v3);
1168 
1169 	ret = iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, cmd_size, &cmd);
1170 	if (ret < 0)
1171 		IWL_DEBUG_RADIO(mvm, "failed to send TAS_CONFIG (%d)\n", ret);
1172 }
1173 
iwl_mvm_eval_dsm_rfi(struct iwl_mvm * mvm)1174 static u8 iwl_mvm_eval_dsm_rfi(struct iwl_mvm *mvm)
1175 {
1176 	u8 value;
1177 	int ret = iwl_acpi_get_dsm_u8(mvm->fwrt.dev, 0, DSM_RFI_FUNC_ENABLE,
1178 				      &iwl_rfi_guid, &value);
1179 
1180 	if (ret < 0) {
1181 		IWL_DEBUG_RADIO(mvm, "Failed to get DSM RFI, ret=%d\n", ret);
1182 
1183 	} else if (value >= DSM_VALUE_RFI_MAX) {
1184 		IWL_DEBUG_RADIO(mvm, "DSM RFI got invalid value, ret=%d\n",
1185 				value);
1186 
1187 	} else if (value == DSM_VALUE_RFI_ENABLE) {
1188 		IWL_DEBUG_RADIO(mvm, "DSM RFI is evaluated to enable\n");
1189 		return DSM_VALUE_RFI_ENABLE;
1190 	}
1191 
1192 	IWL_DEBUG_RADIO(mvm, "DSM RFI is disabled\n");
1193 
1194 	/* default behaviour is disabled */
1195 	return DSM_VALUE_RFI_DISABLE;
1196 }
1197 
iwl_mvm_lari_cfg(struct iwl_mvm * mvm)1198 static void iwl_mvm_lari_cfg(struct iwl_mvm *mvm)
1199 {
1200 	int ret;
1201 	u32 value;
1202 	struct iwl_lari_config_change_cmd_v6 cmd = {};
1203 
1204 	cmd.config_bitmap = iwl_acpi_get_lari_config_bitmap(&mvm->fwrt);
1205 
1206 	ret = iwl_acpi_get_dsm_u32(mvm->fwrt.dev, 0, DSM_FUNC_11AX_ENABLEMENT,
1207 				   &iwl_guid, &value);
1208 	if (!ret)
1209 		cmd.oem_11ax_allow_bitmap = cpu_to_le32(value);
1210 
1211 	ret = iwl_acpi_get_dsm_u32(mvm->fwrt.dev, 0,
1212 				   DSM_FUNC_ENABLE_UNII4_CHAN,
1213 				   &iwl_guid, &value);
1214 	if (!ret)
1215 		cmd.oem_unii4_allow_bitmap = cpu_to_le32(value);
1216 
1217 	ret = iwl_acpi_get_dsm_u32(mvm->fwrt.dev, 0,
1218 				   DSM_FUNC_ACTIVATE_CHANNEL,
1219 				   &iwl_guid, &value);
1220 	if (!ret)
1221 		cmd.chan_state_active_bitmap = cpu_to_le32(value);
1222 
1223 	ret = iwl_acpi_get_dsm_u32(mvm->fwrt.dev, 0,
1224 				   DSM_FUNC_ENABLE_6E,
1225 				   &iwl_guid, &value);
1226 	if (!ret)
1227 		cmd.oem_uhb_allow_bitmap = cpu_to_le32(value);
1228 
1229 	ret = iwl_acpi_get_dsm_u32(mvm->fwrt.dev, 0,
1230 				   DSM_FUNC_FORCE_DISABLE_CHANNELS,
1231 				   &iwl_guid, &value);
1232 	if (!ret)
1233 		cmd.force_disable_channels_bitmap = cpu_to_le32(value);
1234 
1235 	if (cmd.config_bitmap ||
1236 	    cmd.oem_uhb_allow_bitmap ||
1237 	    cmd.oem_11ax_allow_bitmap ||
1238 	    cmd.oem_unii4_allow_bitmap ||
1239 	    cmd.chan_state_active_bitmap ||
1240 	    cmd.force_disable_channels_bitmap) {
1241 		size_t cmd_size;
1242 		u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw,
1243 						   WIDE_ID(REGULATORY_AND_NVM_GROUP,
1244 							   LARI_CONFIG_CHANGE),
1245 						   1);
1246 		switch (cmd_ver) {
1247 		case 6:
1248 			cmd_size = sizeof(struct iwl_lari_config_change_cmd_v6);
1249 			break;
1250 		case 5:
1251 			cmd_size = sizeof(struct iwl_lari_config_change_cmd_v5);
1252 			break;
1253 		case 4:
1254 			cmd_size = sizeof(struct iwl_lari_config_change_cmd_v4);
1255 			break;
1256 		case 3:
1257 			cmd_size = sizeof(struct iwl_lari_config_change_cmd_v3);
1258 			break;
1259 		case 2:
1260 			cmd_size = sizeof(struct iwl_lari_config_change_cmd_v2);
1261 			break;
1262 		default:
1263 			cmd_size = sizeof(struct iwl_lari_config_change_cmd_v1);
1264 			break;
1265 		}
1266 
1267 		IWL_DEBUG_RADIO(mvm,
1268 				"sending LARI_CONFIG_CHANGE, config_bitmap=0x%x, oem_11ax_allow_bitmap=0x%x\n",
1269 				le32_to_cpu(cmd.config_bitmap),
1270 				le32_to_cpu(cmd.oem_11ax_allow_bitmap));
1271 		IWL_DEBUG_RADIO(mvm,
1272 				"sending LARI_CONFIG_CHANGE, oem_unii4_allow_bitmap=0x%x, chan_state_active_bitmap=0x%x, cmd_ver=%d\n",
1273 				le32_to_cpu(cmd.oem_unii4_allow_bitmap),
1274 				le32_to_cpu(cmd.chan_state_active_bitmap),
1275 				cmd_ver);
1276 		IWL_DEBUG_RADIO(mvm,
1277 				"sending LARI_CONFIG_CHANGE, oem_uhb_allow_bitmap=0x%x, force_disable_channels_bitmap=0x%x\n",
1278 				le32_to_cpu(cmd.oem_uhb_allow_bitmap),
1279 				le32_to_cpu(cmd.force_disable_channels_bitmap));
1280 		ret = iwl_mvm_send_cmd_pdu(mvm,
1281 					   WIDE_ID(REGULATORY_AND_NVM_GROUP,
1282 						   LARI_CONFIG_CHANGE),
1283 					   0, cmd_size, &cmd);
1284 		if (ret < 0)
1285 			IWL_DEBUG_RADIO(mvm,
1286 					"Failed to send LARI_CONFIG_CHANGE (%d)\n",
1287 					ret);
1288 	}
1289 }
1290 
iwl_mvm_get_acpi_tables(struct iwl_mvm * mvm)1291 void iwl_mvm_get_acpi_tables(struct iwl_mvm *mvm)
1292 {
1293 	int ret;
1294 
1295 	/* read PPAG table */
1296 	ret = iwl_acpi_get_ppag_table(&mvm->fwrt);
1297 	if (ret < 0) {
1298 		IWL_DEBUG_RADIO(mvm,
1299 				"PPAG BIOS table invalid or unavailable. (%d)\n",
1300 				ret);
1301 	}
1302 
1303 	/* read SAR tables */
1304 	ret = iwl_sar_get_wrds_table(&mvm->fwrt);
1305 	if (ret < 0) {
1306 		IWL_DEBUG_RADIO(mvm,
1307 				"WRDS SAR BIOS table invalid or unavailable. (%d)\n",
1308 				ret);
1309 		/*
1310 		 * If not available, don't fail and don't bother with EWRD and
1311 		 * WGDS */
1312 
1313 		if (!iwl_sar_get_wgds_table(&mvm->fwrt)) {
1314 			/*
1315 			 * If basic SAR is not available, we check for WGDS,
1316 			 * which should *not* be available either.  If it is
1317 			 * available, issue an error, because we can't use SAR
1318 			 * Geo without basic SAR.
1319 			 */
1320 			IWL_ERR(mvm, "BIOS contains WGDS but no WRDS\n");
1321 		}
1322 
1323 	} else {
1324 		ret = iwl_sar_get_ewrd_table(&mvm->fwrt);
1325 		/* if EWRD is not available, we can still use
1326 		* WRDS, so don't fail */
1327 		if (ret < 0)
1328 			IWL_DEBUG_RADIO(mvm,
1329 					"EWRD SAR BIOS table invalid or unavailable. (%d)\n",
1330 					ret);
1331 
1332 		/* read geo SAR table */
1333 		if (iwl_sar_geo_support(&mvm->fwrt)) {
1334 			ret = iwl_sar_get_wgds_table(&mvm->fwrt);
1335 			if (ret < 0)
1336 				IWL_DEBUG_RADIO(mvm,
1337 						"Geo SAR BIOS table invalid or unavailable. (%d)\n",
1338 						ret);
1339 				/* we don't fail if the table is not available */
1340 		}
1341 	}
1342 
1343 	iwl_acpi_get_phy_filters(&mvm->fwrt, &mvm->phy_filters);
1344 }
1345 #else /* CONFIG_ACPI */
1346 
iwl_mvm_sar_select_profile(struct iwl_mvm * mvm,int prof_a,int prof_b)1347 inline int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm,
1348 				      int prof_a, int prof_b)
1349 {
1350 	return 1;
1351 }
1352 
iwl_mvm_get_sar_geo_profile(struct iwl_mvm * mvm)1353 inline int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm)
1354 {
1355 	return -ENOENT;
1356 }
1357 
iwl_mvm_sar_geo_init(struct iwl_mvm * mvm)1358 static int iwl_mvm_sar_geo_init(struct iwl_mvm *mvm)
1359 {
1360 	return 0;
1361 }
1362 
iwl_mvm_ppag_send_cmd(struct iwl_mvm * mvm)1363 int iwl_mvm_ppag_send_cmd(struct iwl_mvm *mvm)
1364 {
1365 	return -ENOENT;
1366 }
1367 
iwl_mvm_ppag_init(struct iwl_mvm * mvm)1368 static int iwl_mvm_ppag_init(struct iwl_mvm *mvm)
1369 {
1370 	return 0;
1371 }
1372 
iwl_mvm_tas_init(struct iwl_mvm * mvm)1373 static void iwl_mvm_tas_init(struct iwl_mvm *mvm)
1374 {
1375 }
1376 
iwl_mvm_lari_cfg(struct iwl_mvm * mvm)1377 static void iwl_mvm_lari_cfg(struct iwl_mvm *mvm)
1378 {
1379 }
1380 
iwl_mvm_is_vendor_in_approved_list(void)1381 bool iwl_mvm_is_vendor_in_approved_list(void)
1382 {
1383 	return false;
1384 }
1385 
iwl_mvm_eval_dsm_rfi(struct iwl_mvm * mvm)1386 static u8 iwl_mvm_eval_dsm_rfi(struct iwl_mvm *mvm)
1387 {
1388 	return DSM_VALUE_RFI_DISABLE;
1389 }
1390 
iwl_mvm_get_acpi_tables(struct iwl_mvm * mvm)1391 void iwl_mvm_get_acpi_tables(struct iwl_mvm *mvm)
1392 {
1393 }
1394 
1395 #endif /* CONFIG_ACPI */
1396 
iwl_mvm_disconnect_iterator(void * data,u8 * mac,struct ieee80211_vif * vif)1397 static void iwl_mvm_disconnect_iterator(void *data, u8 *mac,
1398 					struct ieee80211_vif *vif)
1399 {
1400 	if (vif->type == NL80211_IFTYPE_STATION)
1401 		ieee80211_hw_restart_disconnect(vif);
1402 }
1403 
iwl_mvm_send_recovery_cmd(struct iwl_mvm * mvm,u32 flags)1404 void iwl_mvm_send_recovery_cmd(struct iwl_mvm *mvm, u32 flags)
1405 {
1406 	u32 error_log_size = mvm->fw->ucode_capa.error_log_size;
1407 	u32 status = 0;
1408 	int ret;
1409 
1410 	struct iwl_fw_error_recovery_cmd recovery_cmd = {
1411 		.flags = cpu_to_le32(flags),
1412 		.buf_size = 0,
1413 	};
1414 	struct iwl_host_cmd host_cmd = {
1415 		.id = WIDE_ID(SYSTEM_GROUP, FW_ERROR_RECOVERY_CMD),
1416 		.data = {&recovery_cmd, },
1417 		.len = {sizeof(recovery_cmd), },
1418 	};
1419 
1420 	/* no error log was defined in TLV */
1421 	if (!error_log_size)
1422 		return;
1423 
1424 	if (flags & ERROR_RECOVERY_UPDATE_DB) {
1425 		/* no buf was allocated while HW reset */
1426 		if (!mvm->error_recovery_buf)
1427 			return;
1428 
1429 		host_cmd.data[1] = mvm->error_recovery_buf;
1430 		host_cmd.len[1] =  error_log_size;
1431 		host_cmd.dataflags[1] = IWL_HCMD_DFL_NOCOPY;
1432 		recovery_cmd.buf_size = cpu_to_le32(error_log_size);
1433 	}
1434 
1435 	ret = iwl_mvm_send_cmd_status(mvm, &host_cmd, &status);
1436 	kfree(mvm->error_recovery_buf);
1437 	mvm->error_recovery_buf = NULL;
1438 
1439 	if (ret) {
1440 		IWL_ERR(mvm, "Failed to send recovery cmd %d\n", ret);
1441 		return;
1442 	}
1443 
1444 	/* skb respond is only relevant in ERROR_RECOVERY_UPDATE_DB */
1445 	if (flags & ERROR_RECOVERY_UPDATE_DB) {
1446 		if (status) {
1447 			IWL_ERR(mvm,
1448 				"Failed to send recovery cmd blob was invalid %d\n",
1449 				status);
1450 
1451 			ieee80211_iterate_interfaces(mvm->hw, 0,
1452 						     iwl_mvm_disconnect_iterator,
1453 						     mvm);
1454 		}
1455 	}
1456 }
1457 
iwl_mvm_sar_init(struct iwl_mvm * mvm)1458 static int iwl_mvm_sar_init(struct iwl_mvm *mvm)
1459 {
1460 	return iwl_mvm_sar_select_profile(mvm, 1, 1);
1461 }
1462 
iwl_mvm_load_rt_fw(struct iwl_mvm * mvm)1463 static int iwl_mvm_load_rt_fw(struct iwl_mvm *mvm)
1464 {
1465 	int ret;
1466 
1467 	if (iwl_mvm_has_unified_ucode(mvm))
1468 		return iwl_run_unified_mvm_ucode(mvm);
1469 
1470 	ret = iwl_run_init_mvm_ucode(mvm);
1471 
1472 	if (ret) {
1473 		IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", ret);
1474 
1475 		if (iwlmvm_mod_params.init_dbg)
1476 			return 0;
1477 		return ret;
1478 	}
1479 
1480 	iwl_fw_dbg_stop_sync(&mvm->fwrt);
1481 	iwl_trans_stop_device(mvm->trans);
1482 	ret = iwl_trans_start_hw(mvm->trans);
1483 	if (ret)
1484 		return ret;
1485 
1486 	mvm->rfkill_safe_init_done = false;
1487 	ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_REGULAR);
1488 	if (ret)
1489 		return ret;
1490 
1491 	mvm->rfkill_safe_init_done = true;
1492 
1493 	iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_AFTER_ALIVE,
1494 			       NULL);
1495 
1496 	return iwl_init_paging(&mvm->fwrt, mvm->fwrt.cur_fw_img);
1497 }
1498 
iwl_mvm_up(struct iwl_mvm * mvm)1499 int iwl_mvm_up(struct iwl_mvm *mvm)
1500 {
1501 	int ret, i;
1502 	struct ieee80211_channel *chan;
1503 	struct cfg80211_chan_def chandef;
1504 	struct ieee80211_supported_band *sband = NULL;
1505 	u32 sb_cfg;
1506 
1507 	lockdep_assert_held(&mvm->mutex);
1508 
1509 	ret = iwl_trans_start_hw(mvm->trans);
1510 	if (ret)
1511 		return ret;
1512 
1513 	sb_cfg = iwl_read_umac_prph(mvm->trans, SB_MODIFY_CFG_FLAG);
1514 	mvm->pldr_sync = !(sb_cfg & SB_CFG_RESIDES_IN_OTP_MASK);
1515 	if (mvm->pldr_sync && iwl_mei_pldr_req())
1516 		return -EBUSY;
1517 
1518 	ret = iwl_mvm_load_rt_fw(mvm);
1519 	if (ret) {
1520 		IWL_ERR(mvm, "Failed to start RT ucode: %d\n", ret);
1521 		if (ret != -ERFKILL && !mvm->pldr_sync)
1522 			iwl_fw_dbg_error_collect(&mvm->fwrt,
1523 						 FW_DBG_TRIGGER_DRIVER);
1524 		goto error;
1525 	}
1526 
1527 	/* FW loaded successfully */
1528 	mvm->pldr_sync = false;
1529 
1530 	iwl_get_shared_mem_conf(&mvm->fwrt);
1531 
1532 	ret = iwl_mvm_sf_update(mvm, NULL, false);
1533 	if (ret)
1534 		IWL_ERR(mvm, "Failed to initialize Smart Fifo\n");
1535 
1536 	if (!iwl_trans_dbg_ini_valid(mvm->trans)) {
1537 		mvm->fwrt.dump.conf = FW_DBG_INVALID;
1538 		/* if we have a destination, assume EARLY START */
1539 		if (mvm->fw->dbg.dest_tlv)
1540 			mvm->fwrt.dump.conf = FW_DBG_START_FROM_ALIVE;
1541 		iwl_fw_start_dbg_conf(&mvm->fwrt, FW_DBG_START_FROM_ALIVE);
1542 	}
1543 
1544 	ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm));
1545 	if (ret)
1546 		goto error;
1547 
1548 	if (!iwl_mvm_has_unified_ucode(mvm)) {
1549 		/* Send phy db control command and then phy db calibration */
1550 		ret = iwl_send_phy_db_data(mvm->phy_db);
1551 		if (ret)
1552 			goto error;
1553 		ret = iwl_send_phy_cfg_cmd(mvm);
1554 		if (ret)
1555 			goto error;
1556 	}
1557 
1558 	ret = iwl_mvm_send_bt_init_conf(mvm);
1559 	if (ret)
1560 		goto error;
1561 
1562 	if (fw_has_capa(&mvm->fw->ucode_capa,
1563 			IWL_UCODE_TLV_CAPA_SOC_LATENCY_SUPPORT)) {
1564 		ret = iwl_set_soc_latency(&mvm->fwrt);
1565 		if (ret)
1566 			goto error;
1567 	}
1568 
1569 	iwl_mvm_lari_cfg(mvm);
1570 
1571 	/* Init RSS configuration */
1572 	ret = iwl_configure_rxq(&mvm->fwrt);
1573 	if (ret)
1574 		goto error;
1575 
1576 	if (iwl_mvm_has_new_rx_api(mvm)) {
1577 		ret = iwl_send_rss_cfg_cmd(mvm);
1578 		if (ret) {
1579 			IWL_ERR(mvm, "Failed to configure RSS queues: %d\n",
1580 				ret);
1581 			goto error;
1582 		}
1583 	}
1584 
1585 	/* init the fw <-> mac80211 STA mapping */
1586 	for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++) {
1587 		RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL);
1588 		RCU_INIT_POINTER(mvm->fw_id_to_link_sta[i], NULL);
1589 	}
1590 
1591 	for (i = 0; i < IWL_MVM_FW_MAX_LINK_ID + 1; i++)
1592 		RCU_INIT_POINTER(mvm->link_id_to_link_conf[i], NULL);
1593 
1594 	memset(&mvm->fw_link_ids_map, 0, sizeof(mvm->fw_link_ids_map));
1595 
1596 	mvm->tdls_cs.peer.sta_id = IWL_MVM_INVALID_STA;
1597 
1598 	/* reset quota debouncing buffer - 0xff will yield invalid data */
1599 	memset(&mvm->last_quota_cmd, 0xff, sizeof(mvm->last_quota_cmd));
1600 
1601 	if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_DQA_SUPPORT)) {
1602 		ret = iwl_mvm_send_dqa_cmd(mvm);
1603 		if (ret)
1604 			goto error;
1605 	}
1606 
1607 	/*
1608 	 * Add auxiliary station for scanning.
1609 	 * Newer versions of this command implies that the fw uses
1610 	 * internal aux station for all aux activities that don't
1611 	 * requires a dedicated data queue.
1612 	 */
1613 	if (!iwl_mvm_has_new_station_api(mvm->fw)) {
1614 		 /*
1615 		  * In old version the aux station uses mac id like other
1616 		  * station and not lmac id
1617 		  */
1618 		ret = iwl_mvm_add_aux_sta(mvm, MAC_INDEX_AUX);
1619 		if (ret)
1620 			goto error;
1621 	}
1622 
1623 	/* Add all the PHY contexts */
1624 	i = 0;
1625 	while (!sband && i < NUM_NL80211_BANDS)
1626 		sband = mvm->hw->wiphy->bands[i++];
1627 
1628 	if (WARN_ON_ONCE(!sband)) {
1629 		ret = -ENODEV;
1630 		goto error;
1631 	}
1632 
1633 	chan = &sband->channels[0];
1634 
1635 	cfg80211_chandef_create(&chandef, chan, NL80211_CHAN_NO_HT);
1636 	for (i = 0; i < NUM_PHY_CTX; i++) {
1637 		/*
1638 		 * The channel used here isn't relevant as it's
1639 		 * going to be overwritten in the other flows.
1640 		 * For now use the first channel we have.
1641 		 */
1642 		ret = iwl_mvm_phy_ctxt_add(mvm, &mvm->phy_ctxts[i],
1643 					   &chandef, 1, 1);
1644 		if (ret)
1645 			goto error;
1646 	}
1647 
1648 	if (iwl_mvm_is_tt_in_fw(mvm)) {
1649 		/* in order to give the responsibility of ct-kill and
1650 		 * TX backoff to FW we need to send empty temperature reporting
1651 		 * cmd during init time
1652 		 */
1653 		iwl_mvm_send_temp_report_ths_cmd(mvm);
1654 	} else {
1655 		/* Initialize tx backoffs to the minimal possible */
1656 		iwl_mvm_tt_tx_backoff(mvm, 0);
1657 	}
1658 
1659 #ifdef CONFIG_THERMAL
1660 	/* TODO: read the budget from BIOS / Platform NVM */
1661 
1662 	/*
1663 	 * In case there is no budget from BIOS / Platform NVM the default
1664 	 * budget should be 2000mW (cooling state 0).
1665 	 */
1666 	if (iwl_mvm_is_ctdp_supported(mvm)) {
1667 		ret = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_START,
1668 					   mvm->cooling_dev.cur_state);
1669 		if (ret)
1670 			goto error;
1671 	}
1672 #endif
1673 
1674 	if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_SET_LTR_GEN2))
1675 		WARN_ON(iwl_mvm_config_ltr(mvm));
1676 
1677 	ret = iwl_mvm_power_update_device(mvm);
1678 	if (ret)
1679 		goto error;
1680 
1681 	/*
1682 	 * RTNL is not taken during Ct-kill, but we don't need to scan/Tx
1683 	 * anyway, so don't init MCC.
1684 	 */
1685 	if (!test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status)) {
1686 		ret = iwl_mvm_init_mcc(mvm);
1687 		if (ret)
1688 			goto error;
1689 	}
1690 
1691 	if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) {
1692 		mvm->scan_type = IWL_SCAN_TYPE_NOT_SET;
1693 		mvm->hb_scan_type = IWL_SCAN_TYPE_NOT_SET;
1694 		ret = iwl_mvm_config_scan(mvm);
1695 		if (ret)
1696 			goto error;
1697 	}
1698 
1699 	if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) {
1700 		iwl_mvm_send_recovery_cmd(mvm, ERROR_RECOVERY_UPDATE_DB);
1701 
1702 		if (mvm->time_sync.active)
1703 			iwl_mvm_time_sync_config(mvm, mvm->time_sync.peer_addr,
1704 						 IWL_TIME_SYNC_PROTOCOL_TM |
1705 						 IWL_TIME_SYNC_PROTOCOL_FTM);
1706 	}
1707 
1708 	if (!mvm->ptp_data.ptp_clock)
1709 		iwl_mvm_ptp_init(mvm);
1710 
1711 	if (iwl_acpi_get_eckv(mvm->dev, &mvm->ext_clock_valid))
1712 		IWL_DEBUG_INFO(mvm, "ECKV table doesn't exist in BIOS\n");
1713 
1714 	ret = iwl_mvm_ppag_init(mvm);
1715 	if (ret)
1716 		goto error;
1717 
1718 	ret = iwl_mvm_sar_init(mvm);
1719 	if (ret == 0)
1720 		ret = iwl_mvm_sar_geo_init(mvm);
1721 	if (ret < 0)
1722 		goto error;
1723 
1724 	ret = iwl_mvm_sgom_init(mvm);
1725 	if (ret)
1726 		goto error;
1727 
1728 	iwl_mvm_tas_init(mvm);
1729 	iwl_mvm_leds_sync(mvm);
1730 
1731 	if (iwl_rfi_supported(mvm)) {
1732 		if (iwl_mvm_eval_dsm_rfi(mvm) == DSM_VALUE_RFI_ENABLE)
1733 			iwl_rfi_send_config_cmd(mvm, NULL);
1734 	}
1735 
1736 	iwl_mvm_mei_device_state(mvm, true);
1737 
1738 	IWL_DEBUG_INFO(mvm, "RT uCode started.\n");
1739 	return 0;
1740  error:
1741 	if (!iwlmvm_mod_params.init_dbg || !ret)
1742 		iwl_mvm_stop_device(mvm);
1743 	return ret;
1744 }
1745 
iwl_mvm_load_d3_fw(struct iwl_mvm * mvm)1746 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm)
1747 {
1748 	int ret, i;
1749 
1750 	lockdep_assert_held(&mvm->mutex);
1751 
1752 	ret = iwl_trans_start_hw(mvm->trans);
1753 	if (ret)
1754 		return ret;
1755 
1756 	ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_WOWLAN);
1757 	if (ret) {
1758 		IWL_ERR(mvm, "Failed to start WoWLAN firmware: %d\n", ret);
1759 		goto error;
1760 	}
1761 
1762 	ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm));
1763 	if (ret)
1764 		goto error;
1765 
1766 	/* Send phy db control command and then phy db calibration*/
1767 	ret = iwl_send_phy_db_data(mvm->phy_db);
1768 	if (ret)
1769 		goto error;
1770 
1771 	ret = iwl_send_phy_cfg_cmd(mvm);
1772 	if (ret)
1773 		goto error;
1774 
1775 	/* init the fw <-> mac80211 STA mapping */
1776 	for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++) {
1777 		RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL);
1778 		RCU_INIT_POINTER(mvm->fw_id_to_link_sta[i], NULL);
1779 	}
1780 
1781 	if (!iwl_mvm_has_new_station_api(mvm->fw)) {
1782 		/*
1783 		 * Add auxiliary station for scanning.
1784 		 * Newer versions of this command implies that the fw uses
1785 		 * internal aux station for all aux activities that don't
1786 		 * requires a dedicated data queue.
1787 		 * In old version the aux station uses mac id like other
1788 		 * station and not lmac id
1789 		 */
1790 		ret = iwl_mvm_add_aux_sta(mvm, MAC_INDEX_AUX);
1791 		if (ret)
1792 			goto error;
1793 	}
1794 
1795 	return 0;
1796  error:
1797 	iwl_mvm_stop_device(mvm);
1798 	return ret;
1799 }
1800 
iwl_mvm_rx_mfuart_notif(struct iwl_mvm * mvm,struct iwl_rx_cmd_buffer * rxb)1801 void iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm,
1802 			     struct iwl_rx_cmd_buffer *rxb)
1803 {
1804 	struct iwl_rx_packet *pkt = rxb_addr(rxb);
1805 	struct iwl_mfuart_load_notif *mfuart_notif = (void *)pkt->data;
1806 
1807 	IWL_DEBUG_INFO(mvm,
1808 		       "MFUART: installed ver: 0x%08x, external ver: 0x%08x, status: 0x%08x, duration: 0x%08x\n",
1809 		       le32_to_cpu(mfuart_notif->installed_ver),
1810 		       le32_to_cpu(mfuart_notif->external_ver),
1811 		       le32_to_cpu(mfuart_notif->status),
1812 		       le32_to_cpu(mfuart_notif->duration));
1813 
1814 	if (iwl_rx_packet_payload_len(pkt) == sizeof(*mfuart_notif))
1815 		IWL_DEBUG_INFO(mvm,
1816 			       "MFUART: image size: 0x%08x\n",
1817 			       le32_to_cpu(mfuart_notif->image_size));
1818 }
1819