1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
2 /*
3  * Copyright (C) 2012-2014, 2018-2022 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 
25 #define MVM_UCODE_ALIVE_TIMEOUT	(HZ)
26 #define MVM_UCODE_CALIB_TIMEOUT	(2 * HZ)
27 
28 #define IWL_TAS_US_MCC 0x5553
29 #define IWL_TAS_CANADA_MCC 0x4341
30 
31 struct iwl_mvm_alive_data {
32 	bool valid;
33 	u32 scd_base_addr;
34 };
35 
iwl_send_tx_ant_cfg(struct iwl_mvm * mvm,u8 valid_tx_ant)36 static int iwl_send_tx_ant_cfg(struct iwl_mvm *mvm, u8 valid_tx_ant)
37 {
38 	struct iwl_tx_ant_cfg_cmd tx_ant_cmd = {
39 		.valid = cpu_to_le32(valid_tx_ant),
40 	};
41 
42 	IWL_DEBUG_FW(mvm, "select valid tx ant: %u\n", valid_tx_ant);
43 	return iwl_mvm_send_cmd_pdu(mvm, TX_ANT_CONFIGURATION_CMD, 0,
44 				    sizeof(tx_ant_cmd), &tx_ant_cmd);
45 }
46 
iwl_send_rss_cfg_cmd(struct iwl_mvm * mvm)47 static int iwl_send_rss_cfg_cmd(struct iwl_mvm *mvm)
48 {
49 	int i;
50 	struct iwl_rss_config_cmd cmd = {
51 		.flags = cpu_to_le32(IWL_RSS_ENABLE),
52 		.hash_mask = BIT(IWL_RSS_HASH_TYPE_IPV4_TCP) |
53 			     BIT(IWL_RSS_HASH_TYPE_IPV4_UDP) |
54 			     BIT(IWL_RSS_HASH_TYPE_IPV4_PAYLOAD) |
55 			     BIT(IWL_RSS_HASH_TYPE_IPV6_TCP) |
56 			     BIT(IWL_RSS_HASH_TYPE_IPV6_UDP) |
57 			     BIT(IWL_RSS_HASH_TYPE_IPV6_PAYLOAD),
58 	};
59 
60 	if (mvm->trans->num_rx_queues == 1)
61 		return 0;
62 
63 	/* Do not direct RSS traffic to Q 0 which is our fallback queue */
64 	for (i = 0; i < ARRAY_SIZE(cmd.indirection_table); i++)
65 		cmd.indirection_table[i] =
66 			1 + (i % (mvm->trans->num_rx_queues - 1));
67 	netdev_rss_key_fill(cmd.secret_key, sizeof(cmd.secret_key));
68 
69 	return iwl_mvm_send_cmd_pdu(mvm, RSS_CONFIG_CMD, 0, sizeof(cmd), &cmd);
70 }
71 
iwl_mvm_send_dqa_cmd(struct iwl_mvm * mvm)72 static int iwl_mvm_send_dqa_cmd(struct iwl_mvm *mvm)
73 {
74 	struct iwl_dqa_enable_cmd dqa_cmd = {
75 		.cmd_queue = cpu_to_le32(IWL_MVM_DQA_CMD_QUEUE),
76 	};
77 	u32 cmd_id = WIDE_ID(DATA_PATH_GROUP, DQA_ENABLE_CMD);
78 	int ret;
79 
80 	ret = iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, sizeof(dqa_cmd), &dqa_cmd);
81 	if (ret)
82 		IWL_ERR(mvm, "Failed to send DQA enabling command: %d\n", ret);
83 	else
84 		IWL_DEBUG_FW(mvm, "Working in DQA mode\n");
85 
86 	return ret;
87 }
88 
iwl_mvm_mfu_assert_dump_notif(struct iwl_mvm * mvm,struct iwl_rx_cmd_buffer * rxb)89 void iwl_mvm_mfu_assert_dump_notif(struct iwl_mvm *mvm,
90 				   struct iwl_rx_cmd_buffer *rxb)
91 {
92 	struct iwl_rx_packet *pkt = rxb_addr(rxb);
93 	struct iwl_mfu_assert_dump_notif *mfu_dump_notif = (void *)pkt->data;
94 	__le32 *dump_data = mfu_dump_notif->data;
95 	int n_words = le32_to_cpu(mfu_dump_notif->data_size) / sizeof(__le32);
96 	int i;
97 
98 	if (mfu_dump_notif->index_num == 0)
99 		IWL_INFO(mvm, "MFUART assert id 0x%x occurred\n",
100 			 le32_to_cpu(mfu_dump_notif->assert_id));
101 
102 	for (i = 0; i < n_words; i++)
103 		IWL_DEBUG_INFO(mvm,
104 			       "MFUART assert dump, dword %u: 0x%08x\n",
105 			       le16_to_cpu(mfu_dump_notif->index_num) *
106 			       n_words + i,
107 			       le32_to_cpu(dump_data[i]));
108 }
109 
iwl_alive_fn(struct iwl_notif_wait_data * notif_wait,struct iwl_rx_packet * pkt,void * data)110 static bool iwl_alive_fn(struct iwl_notif_wait_data *notif_wait,
111 			 struct iwl_rx_packet *pkt, void *data)
112 {
113 	unsigned int pkt_len = iwl_rx_packet_payload_len(pkt);
114 	struct iwl_mvm *mvm =
115 		container_of(notif_wait, struct iwl_mvm, notif_wait);
116 	struct iwl_mvm_alive_data *alive_data = data;
117 	struct iwl_umac_alive *umac;
118 	struct iwl_lmac_alive *lmac1;
119 	struct iwl_lmac_alive *lmac2 = NULL;
120 	u16 status;
121 	u32 lmac_error_event_table, umac_error_table;
122 	u32 version = iwl_fw_lookup_notif_ver(mvm->fw, LEGACY_GROUP,
123 					      UCODE_ALIVE_NTFY, 0);
124 	u32 i;
125 
126 	if (version == 6) {
127 		struct iwl_alive_ntf_v6 *palive;
128 
129 		if (pkt_len < sizeof(*palive))
130 			return false;
131 
132 		palive = (void *)pkt->data;
133 		mvm->trans->dbg.imr_data.imr_enable =
134 			le32_to_cpu(palive->imr.enabled);
135 		mvm->trans->dbg.imr_data.imr_size =
136 			le32_to_cpu(palive->imr.size);
137 		mvm->trans->dbg.imr_data.imr2sram_remainbyte =
138 			mvm->trans->dbg.imr_data.imr_size;
139 		mvm->trans->dbg.imr_data.imr_base_addr =
140 			palive->imr.base_addr;
141 		mvm->trans->dbg.imr_data.imr_curr_addr =
142 			le64_to_cpu(mvm->trans->dbg.imr_data.imr_base_addr);
143 		IWL_DEBUG_FW(mvm, "IMR Enabled: 0x0%x  size 0x0%x Address 0x%016llx\n",
144 			     mvm->trans->dbg.imr_data.imr_enable,
145 			     mvm->trans->dbg.imr_data.imr_size,
146 			     le64_to_cpu(mvm->trans->dbg.imr_data.imr_base_addr));
147 
148 		if (!mvm->trans->dbg.imr_data.imr_enable) {
149 			for (i = 0; i < ARRAY_SIZE(mvm->trans->dbg.active_regions); i++) {
150 				struct iwl_ucode_tlv *reg_tlv;
151 				struct iwl_fw_ini_region_tlv *reg;
152 
153 				reg_tlv = mvm->trans->dbg.active_regions[i];
154 				if (!reg_tlv)
155 					continue;
156 
157 				reg = (void *)reg_tlv->data;
158 				/*
159 				 * We have only one DRAM IMR region, so we
160 				 * can break as soon as we find the first
161 				 * one.
162 				 */
163 				if (reg->type == IWL_FW_INI_REGION_DRAM_IMR) {
164 					mvm->trans->dbg.unsupported_region_msk |= BIT(i);
165 					break;
166 				}
167 			}
168 		}
169 	}
170 
171 	if (version >= 5) {
172 		struct iwl_alive_ntf_v5 *palive;
173 
174 		if (pkt_len < sizeof(*palive))
175 			return false;
176 
177 		palive = (void *)pkt->data;
178 		umac = &palive->umac_data;
179 		lmac1 = &palive->lmac_data[0];
180 		lmac2 = &palive->lmac_data[1];
181 		status = le16_to_cpu(palive->status);
182 
183 		mvm->trans->sku_id[0] = le32_to_cpu(palive->sku_id.data[0]);
184 		mvm->trans->sku_id[1] = le32_to_cpu(palive->sku_id.data[1]);
185 		mvm->trans->sku_id[2] = le32_to_cpu(palive->sku_id.data[2]);
186 
187 		IWL_DEBUG_FW(mvm, "Got sku_id: 0x0%x 0x0%x 0x0%x\n",
188 			     mvm->trans->sku_id[0],
189 			     mvm->trans->sku_id[1],
190 			     mvm->trans->sku_id[2]);
191 	} else if (iwl_rx_packet_payload_len(pkt) == sizeof(struct iwl_alive_ntf_v4)) {
192 		struct iwl_alive_ntf_v4 *palive;
193 
194 		if (pkt_len < sizeof(*palive))
195 			return false;
196 
197 		palive = (void *)pkt->data;
198 		umac = &palive->umac_data;
199 		lmac1 = &palive->lmac_data[0];
200 		lmac2 = &palive->lmac_data[1];
201 		status = le16_to_cpu(palive->status);
202 	} else if (iwl_rx_packet_payload_len(pkt) ==
203 		   sizeof(struct iwl_alive_ntf_v3)) {
204 		struct iwl_alive_ntf_v3 *palive3;
205 
206 		if (pkt_len < sizeof(*palive3))
207 			return false;
208 
209 		palive3 = (void *)pkt->data;
210 		umac = &palive3->umac_data;
211 		lmac1 = &palive3->lmac_data;
212 		status = le16_to_cpu(palive3->status);
213 	} else {
214 		WARN(1, "unsupported alive notification (size %d)\n",
215 		     iwl_rx_packet_payload_len(pkt));
216 		/* get timeout later */
217 		return false;
218 	}
219 
220 	lmac_error_event_table =
221 		le32_to_cpu(lmac1->dbg_ptrs.error_event_table_ptr);
222 	iwl_fw_lmac1_set_alive_err_table(mvm->trans, lmac_error_event_table);
223 
224 	if (lmac2)
225 		mvm->trans->dbg.lmac_error_event_table[1] =
226 			le32_to_cpu(lmac2->dbg_ptrs.error_event_table_ptr);
227 
228 	umac_error_table = le32_to_cpu(umac->dbg_ptrs.error_info_addr) &
229 							~FW_ADDR_CACHE_CONTROL;
230 
231 	if (umac_error_table) {
232 		if (umac_error_table >=
233 		    mvm->trans->cfg->min_umac_error_event_table) {
234 			iwl_fw_umac_set_alive_err_table(mvm->trans,
235 							umac_error_table);
236 		} else {
237 			IWL_ERR(mvm,
238 				"Not valid error log pointer 0x%08X for %s uCode\n",
239 				umac_error_table,
240 				(mvm->fwrt.cur_fw_img == IWL_UCODE_INIT) ?
241 				"Init" : "RT");
242 		}
243 	}
244 
245 	alive_data->scd_base_addr = le32_to_cpu(lmac1->dbg_ptrs.scd_base_ptr);
246 	alive_data->valid = status == IWL_ALIVE_STATUS_OK;
247 
248 	IWL_DEBUG_FW(mvm,
249 		     "Alive ucode status 0x%04x revision 0x%01X 0x%01X\n",
250 		     status, lmac1->ver_type, lmac1->ver_subtype);
251 
252 	if (lmac2)
253 		IWL_DEBUG_FW(mvm, "Alive ucode CDB\n");
254 
255 	IWL_DEBUG_FW(mvm,
256 		     "UMAC version: Major - 0x%x, Minor - 0x%x\n",
257 		     le32_to_cpu(umac->umac_major),
258 		     le32_to_cpu(umac->umac_minor));
259 
260 	iwl_fwrt_update_fw_versions(&mvm->fwrt, lmac1, umac);
261 
262 	return true;
263 }
264 
iwl_wait_init_complete(struct iwl_notif_wait_data * notif_wait,struct iwl_rx_packet * pkt,void * data)265 static bool iwl_wait_init_complete(struct iwl_notif_wait_data *notif_wait,
266 				   struct iwl_rx_packet *pkt, void *data)
267 {
268 	WARN_ON(pkt->hdr.cmd != INIT_COMPLETE_NOTIF);
269 
270 	return true;
271 }
272 
iwl_wait_phy_db_entry(struct iwl_notif_wait_data * notif_wait,struct iwl_rx_packet * pkt,void * data)273 static bool iwl_wait_phy_db_entry(struct iwl_notif_wait_data *notif_wait,
274 				  struct iwl_rx_packet *pkt, void *data)
275 {
276 	struct iwl_phy_db *phy_db = data;
277 
278 	if (pkt->hdr.cmd != CALIB_RES_NOTIF_PHY_DB) {
279 		WARN_ON(pkt->hdr.cmd != INIT_COMPLETE_NOTIF);
280 		return true;
281 	}
282 
283 	WARN_ON(iwl_phy_db_set_section(phy_db, pkt));
284 
285 	return false;
286 }
287 
iwl_mvm_print_pd_notification(struct iwl_mvm * mvm)288 static void iwl_mvm_print_pd_notification(struct iwl_mvm *mvm)
289 {
290 #define IWL_FW_PRINT_REG_INFO(reg_name) \
291 	IWL_ERR(mvm, #reg_name ": 0x%x\n", iwl_read_umac_prph(trans, reg_name))
292 
293 	struct iwl_trans *trans = mvm->trans;
294 	enum iwl_device_family device_family = trans->trans_cfg->device_family;
295 
296 	if (device_family < IWL_DEVICE_FAMILY_8000)
297 		return;
298 
299 	if (device_family <= IWL_DEVICE_FAMILY_9000)
300 		IWL_FW_PRINT_REG_INFO(WFPM_ARC1_PD_NOTIFICATION);
301 	else
302 		IWL_FW_PRINT_REG_INFO(WFPM_LMAC1_PD_NOTIFICATION);
303 
304 	IWL_FW_PRINT_REG_INFO(HPM_SECONDARY_DEVICE_STATE);
305 
306 	/* print OPT info */
307 	IWL_FW_PRINT_REG_INFO(WFPM_MAC_OTP_CFG7_ADDR);
308 	IWL_FW_PRINT_REG_INFO(WFPM_MAC_OTP_CFG7_DATA);
309 }
310 
iwl_mvm_load_ucode_wait_alive(struct iwl_mvm * mvm,enum iwl_ucode_type ucode_type)311 static int iwl_mvm_load_ucode_wait_alive(struct iwl_mvm *mvm,
312 					 enum iwl_ucode_type ucode_type)
313 {
314 	struct iwl_notification_wait alive_wait;
315 	struct iwl_mvm_alive_data alive_data = {};
316 	const struct fw_img *fw;
317 	int ret;
318 	enum iwl_ucode_type old_type = mvm->fwrt.cur_fw_img;
319 	static const u16 alive_cmd[] = { UCODE_ALIVE_NTFY };
320 	bool run_in_rfkill =
321 		ucode_type == IWL_UCODE_INIT || iwl_mvm_has_unified_ucode(mvm);
322 
323 	if (ucode_type == IWL_UCODE_REGULAR &&
324 	    iwl_fw_dbg_conf_usniffer(mvm->fw, FW_DBG_START_FROM_ALIVE) &&
325 	    !(fw_has_capa(&mvm->fw->ucode_capa,
326 			  IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED)))
327 		fw = iwl_get_ucode_image(mvm->fw, IWL_UCODE_REGULAR_USNIFFER);
328 	else
329 		fw = iwl_get_ucode_image(mvm->fw, ucode_type);
330 	if (WARN_ON(!fw))
331 		return -EINVAL;
332 	iwl_fw_set_current_image(&mvm->fwrt, ucode_type);
333 	clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status);
334 
335 	iwl_init_notification_wait(&mvm->notif_wait, &alive_wait,
336 				   alive_cmd, ARRAY_SIZE(alive_cmd),
337 				   iwl_alive_fn, &alive_data);
338 
339 	/*
340 	 * We want to load the INIT firmware even in RFKILL
341 	 * For the unified firmware case, the ucode_type is not
342 	 * INIT, but we still need to run it.
343 	 */
344 	ret = iwl_trans_start_fw(mvm->trans, fw, run_in_rfkill);
345 	if (ret) {
346 		iwl_fw_set_current_image(&mvm->fwrt, old_type);
347 		iwl_remove_notification(&mvm->notif_wait, &alive_wait);
348 		return ret;
349 	}
350 
351 	/*
352 	 * Some things may run in the background now, but we
353 	 * just wait for the ALIVE notification here.
354 	 */
355 	ret = iwl_wait_notification(&mvm->notif_wait, &alive_wait,
356 				    MVM_UCODE_ALIVE_TIMEOUT);
357 	if (ret) {
358 		struct iwl_trans *trans = mvm->trans;
359 
360 		/* SecBoot info */
361 		if (trans->trans_cfg->device_family >=
362 					IWL_DEVICE_FAMILY_22000) {
363 			IWL_ERR(mvm,
364 				"SecBoot CPU1 Status: 0x%x, CPU2 Status: 0x%x\n",
365 				iwl_read_umac_prph(trans, UMAG_SB_CPU_1_STATUS),
366 				iwl_read_umac_prph(trans,
367 						   UMAG_SB_CPU_2_STATUS));
368 		} else if (trans->trans_cfg->device_family >=
369 			   IWL_DEVICE_FAMILY_8000) {
370 			IWL_ERR(mvm,
371 				"SecBoot CPU1 Status: 0x%x, CPU2 Status: 0x%x\n",
372 				iwl_read_prph(trans, SB_CPU_1_STATUS),
373 				iwl_read_prph(trans, SB_CPU_2_STATUS));
374 		}
375 
376 		iwl_mvm_print_pd_notification(mvm);
377 
378 		/* LMAC/UMAC PC info */
379 		if (trans->trans_cfg->device_family >=
380 					IWL_DEVICE_FAMILY_9000) {
381 			IWL_ERR(mvm, "UMAC PC: 0x%x\n",
382 				iwl_read_umac_prph(trans,
383 						   UREG_UMAC_CURRENT_PC));
384 			IWL_ERR(mvm, "LMAC PC: 0x%x\n",
385 				iwl_read_umac_prph(trans,
386 						   UREG_LMAC1_CURRENT_PC));
387 			if (iwl_mvm_is_cdb_supported(mvm))
388 				IWL_ERR(mvm, "LMAC2 PC: 0x%x\n",
389 					iwl_read_umac_prph(trans,
390 						UREG_LMAC2_CURRENT_PC));
391 		}
392 
393 		if (ret == -ETIMEDOUT)
394 			iwl_fw_dbg_error_collect(&mvm->fwrt,
395 						 FW_DBG_TRIGGER_ALIVE_TIMEOUT);
396 
397 		iwl_fw_set_current_image(&mvm->fwrt, old_type);
398 		return ret;
399 	}
400 
401 	if (!alive_data.valid) {
402 		IWL_ERR(mvm, "Loaded ucode is not valid!\n");
403 		iwl_fw_set_current_image(&mvm->fwrt, old_type);
404 		return -EIO;
405 	}
406 
407 	ret = iwl_pnvm_load(mvm->trans, &mvm->notif_wait);
408 	if (ret) {
409 		IWL_ERR(mvm, "Timeout waiting for PNVM load!\n");
410 		iwl_fw_set_current_image(&mvm->fwrt, old_type);
411 		return ret;
412 	}
413 
414 	iwl_trans_fw_alive(mvm->trans, alive_data.scd_base_addr);
415 
416 	/*
417 	 * Note: all the queues are enabled as part of the interface
418 	 * initialization, but in firmware restart scenarios they
419 	 * could be stopped, so wake them up. In firmware restart,
420 	 * mac80211 will have the queues stopped as well until the
421 	 * reconfiguration completes. During normal startup, they
422 	 * will be empty.
423 	 */
424 
425 	memset(&mvm->queue_info, 0, sizeof(mvm->queue_info));
426 	/*
427 	 * Set a 'fake' TID for the command queue, since we use the
428 	 * hweight() of the tid_bitmap as a refcount now. Not that
429 	 * we ever even consider the command queue as one we might
430 	 * want to reuse, but be safe nevertheless.
431 	 */
432 	mvm->queue_info[IWL_MVM_DQA_CMD_QUEUE].tid_bitmap =
433 		BIT(IWL_MAX_TID_COUNT + 2);
434 
435 	set_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status);
436 #ifdef CONFIG_IWLWIFI_DEBUGFS
437 	iwl_fw_set_dbg_rec_on(&mvm->fwrt);
438 #endif
439 
440 	/*
441 	 * All the BSSes in the BSS table include the GP2 in the system
442 	 * at the beacon Rx time, this is of course no longer relevant
443 	 * since we are resetting the firmware.
444 	 * Purge all the BSS table.
445 	 */
446 	cfg80211_bss_flush(mvm->hw->wiphy);
447 
448 	return 0;
449 }
450 
iwl_run_unified_mvm_ucode(struct iwl_mvm * mvm)451 static int iwl_run_unified_mvm_ucode(struct iwl_mvm *mvm)
452 {
453 	struct iwl_notification_wait init_wait;
454 	struct iwl_nvm_access_complete_cmd nvm_complete = {};
455 	struct iwl_init_extended_cfg_cmd init_cfg = {
456 		.init_flags = cpu_to_le32(BIT(IWL_INIT_NVM)),
457 	};
458 	static const u16 init_complete[] = {
459 		INIT_COMPLETE_NOTIF,
460 	};
461 	int ret;
462 
463 	if (mvm->trans->cfg->tx_with_siso_diversity)
464 		init_cfg.init_flags |= cpu_to_le32(BIT(IWL_INIT_PHY));
465 
466 	lockdep_assert_held(&mvm->mutex);
467 
468 	mvm->rfkill_safe_init_done = false;
469 
470 	iwl_init_notification_wait(&mvm->notif_wait,
471 				   &init_wait,
472 				   init_complete,
473 				   ARRAY_SIZE(init_complete),
474 				   iwl_wait_init_complete,
475 				   NULL);
476 
477 	iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_EARLY, NULL);
478 
479 	/* Will also start the device */
480 	ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_REGULAR);
481 	if (ret) {
482 		IWL_ERR(mvm, "Failed to start RT ucode: %d\n", ret);
483 		goto error;
484 	}
485 	iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_AFTER_ALIVE,
486 			       NULL);
487 
488 	/* Send init config command to mark that we are sending NVM access
489 	 * commands
490 	 */
491 	ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(SYSTEM_GROUP,
492 						INIT_EXTENDED_CFG_CMD),
493 				   CMD_SEND_IN_RFKILL,
494 				   sizeof(init_cfg), &init_cfg);
495 	if (ret) {
496 		IWL_ERR(mvm, "Failed to run init config command: %d\n",
497 			ret);
498 		goto error;
499 	}
500 
501 	/* Load NVM to NIC if needed */
502 	if (mvm->nvm_file_name) {
503 		ret = iwl_read_external_nvm(mvm->trans, mvm->nvm_file_name,
504 					    mvm->nvm_sections);
505 		if (ret)
506 			goto error;
507 		ret = iwl_mvm_load_nvm_to_nic(mvm);
508 		if (ret)
509 			goto error;
510 	}
511 
512 	if (IWL_MVM_PARSE_NVM && !mvm->nvm_data) {
513 		ret = iwl_nvm_init(mvm);
514 		if (ret) {
515 			IWL_ERR(mvm, "Failed to read NVM: %d\n", ret);
516 			goto error;
517 		}
518 	}
519 
520 	ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(REGULATORY_AND_NVM_GROUP,
521 						NVM_ACCESS_COMPLETE),
522 				   CMD_SEND_IN_RFKILL,
523 				   sizeof(nvm_complete), &nvm_complete);
524 	if (ret) {
525 		IWL_ERR(mvm, "Failed to run complete NVM access: %d\n",
526 			ret);
527 		goto error;
528 	}
529 
530 	/* We wait for the INIT complete notification */
531 	ret = iwl_wait_notification(&mvm->notif_wait, &init_wait,
532 				    MVM_UCODE_ALIVE_TIMEOUT);
533 	if (ret)
534 		return ret;
535 
536 	/* Read the NVM only at driver load time, no need to do this twice */
537 	if (!IWL_MVM_PARSE_NVM && !mvm->nvm_data) {
538 		mvm->nvm_data = iwl_get_nvm(mvm->trans, mvm->fw);
539 		if (IS_ERR(mvm->nvm_data)) {
540 			ret = PTR_ERR(mvm->nvm_data);
541 			mvm->nvm_data = NULL;
542 			IWL_ERR(mvm, "Failed to read NVM: %d\n", ret);
543 			return ret;
544 		}
545 	}
546 
547 	mvm->rfkill_safe_init_done = true;
548 
549 	return 0;
550 
551 error:
552 	iwl_remove_notification(&mvm->notif_wait, &init_wait);
553 	return ret;
554 }
555 
556 #ifdef CONFIG_ACPI
iwl_mvm_phy_filter_init(struct iwl_mvm * mvm,struct iwl_phy_specific_cfg * phy_filters)557 static void iwl_mvm_phy_filter_init(struct iwl_mvm *mvm,
558 				    struct iwl_phy_specific_cfg *phy_filters)
559 {
560 	/*
561 	 * TODO: read specific phy config from BIOS
562 	 * ACPI table for this feature has not been defined yet,
563 	 * so for now we use hardcoded values.
564 	 */
565 
566 	if (IWL_MVM_PHY_FILTER_CHAIN_A) {
567 		phy_filters->filter_cfg_chain_a =
568 			cpu_to_le32(IWL_MVM_PHY_FILTER_CHAIN_A);
569 	}
570 	if (IWL_MVM_PHY_FILTER_CHAIN_B) {
571 		phy_filters->filter_cfg_chain_b =
572 			cpu_to_le32(IWL_MVM_PHY_FILTER_CHAIN_B);
573 	}
574 	if (IWL_MVM_PHY_FILTER_CHAIN_C) {
575 		phy_filters->filter_cfg_chain_c =
576 			cpu_to_le32(IWL_MVM_PHY_FILTER_CHAIN_C);
577 	}
578 	if (IWL_MVM_PHY_FILTER_CHAIN_D) {
579 		phy_filters->filter_cfg_chain_d =
580 			cpu_to_le32(IWL_MVM_PHY_FILTER_CHAIN_D);
581 	}
582 }
583 #else /* CONFIG_ACPI */
584 
iwl_mvm_phy_filter_init(struct iwl_mvm * mvm,struct iwl_phy_specific_cfg * phy_filters)585 static void iwl_mvm_phy_filter_init(struct iwl_mvm *mvm,
586 				    struct iwl_phy_specific_cfg *phy_filters)
587 {
588 }
589 #endif /* CONFIG_ACPI */
590 
591 #if defined(CONFIG_ACPI) && defined(CONFIG_EFI)
iwl_mvm_sgom_init(struct iwl_mvm * mvm)592 static int iwl_mvm_sgom_init(struct iwl_mvm *mvm)
593 {
594 	u8 cmd_ver;
595 	int ret;
596 	struct iwl_host_cmd cmd = {
597 		.id = WIDE_ID(REGULATORY_AND_NVM_GROUP,
598 			      SAR_OFFSET_MAPPING_TABLE_CMD),
599 		.flags = 0,
600 		.data[0] = &mvm->fwrt.sgom_table,
601 		.len[0] =  sizeof(mvm->fwrt.sgom_table),
602 		.dataflags[0] = IWL_HCMD_DFL_NOCOPY,
603 	};
604 
605 	if (!mvm->fwrt.sgom_enabled) {
606 		IWL_DEBUG_RADIO(mvm, "SGOM table is disabled\n");
607 		return 0;
608 	}
609 
610 	cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd.id,
611 					IWL_FW_CMD_VER_UNKNOWN);
612 
613 	if (cmd_ver != 2) {
614 		IWL_DEBUG_RADIO(mvm, "command version is unsupported. version = %d\n",
615 				cmd_ver);
616 		return 0;
617 	}
618 
619 	ret = iwl_mvm_send_cmd(mvm, &cmd);
620 	if (ret < 0)
621 		IWL_ERR(mvm, "failed to send SAR_OFFSET_MAPPING_CMD (%d)\n", ret);
622 
623 	return ret;
624 }
625 #else
626 
iwl_mvm_sgom_init(struct iwl_mvm * mvm)627 static int iwl_mvm_sgom_init(struct iwl_mvm *mvm)
628 {
629 	return 0;
630 }
631 #endif
632 
iwl_send_phy_cfg_cmd(struct iwl_mvm * mvm)633 static int iwl_send_phy_cfg_cmd(struct iwl_mvm *mvm)
634 {
635 	u32 cmd_id = PHY_CONFIGURATION_CMD;
636 	struct iwl_phy_cfg_cmd_v3 phy_cfg_cmd;
637 	enum iwl_ucode_type ucode_type = mvm->fwrt.cur_fw_img;
638 	struct iwl_phy_specific_cfg phy_filters = {};
639 	u8 cmd_ver;
640 	size_t cmd_size;
641 
642 	if (iwl_mvm_has_unified_ucode(mvm) &&
643 	    !mvm->trans->cfg->tx_with_siso_diversity)
644 		return 0;
645 
646 	if (mvm->trans->cfg->tx_with_siso_diversity) {
647 		/*
648 		 * TODO: currently we don't set the antenna but letting the NIC
649 		 * to decide which antenna to use. This should come from BIOS.
650 		 */
651 		phy_cfg_cmd.phy_cfg =
652 			cpu_to_le32(FW_PHY_CFG_CHAIN_SAD_ENABLED);
653 	}
654 
655 	/* Set parameters */
656 	phy_cfg_cmd.phy_cfg = cpu_to_le32(iwl_mvm_get_phy_config(mvm));
657 
658 	/* set flags extra PHY configuration flags from the device's cfg */
659 	phy_cfg_cmd.phy_cfg |=
660 		cpu_to_le32(mvm->trans->trans_cfg->extra_phy_cfg_flags);
661 
662 	phy_cfg_cmd.calib_control.event_trigger =
663 		mvm->fw->default_calib[ucode_type].event_trigger;
664 	phy_cfg_cmd.calib_control.flow_trigger =
665 		mvm->fw->default_calib[ucode_type].flow_trigger;
666 
667 	cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id,
668 					IWL_FW_CMD_VER_UNKNOWN);
669 	if (cmd_ver == 3) {
670 		iwl_mvm_phy_filter_init(mvm, &phy_filters);
671 		memcpy(&phy_cfg_cmd.phy_specific_cfg, &phy_filters,
672 		       sizeof(struct iwl_phy_specific_cfg));
673 	}
674 
675 	IWL_DEBUG_INFO(mvm, "Sending Phy CFG command: 0x%x\n",
676 		       phy_cfg_cmd.phy_cfg);
677 	cmd_size = (cmd_ver == 3) ? sizeof(struct iwl_phy_cfg_cmd_v3) :
678 				    sizeof(struct iwl_phy_cfg_cmd_v1);
679 	return iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, cmd_size, &phy_cfg_cmd);
680 }
681 
iwl_run_init_mvm_ucode(struct iwl_mvm * mvm)682 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm)
683 {
684 	struct iwl_notification_wait calib_wait;
685 	static const u16 init_complete[] = {
686 		INIT_COMPLETE_NOTIF,
687 		CALIB_RES_NOTIF_PHY_DB
688 	};
689 	int ret;
690 
691 	if (iwl_mvm_has_unified_ucode(mvm))
692 		return iwl_run_unified_mvm_ucode(mvm);
693 
694 	lockdep_assert_held(&mvm->mutex);
695 
696 	mvm->rfkill_safe_init_done = false;
697 
698 	iwl_init_notification_wait(&mvm->notif_wait,
699 				   &calib_wait,
700 				   init_complete,
701 				   ARRAY_SIZE(init_complete),
702 				   iwl_wait_phy_db_entry,
703 				   mvm->phy_db);
704 
705 	iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_EARLY, NULL);
706 
707 	/* Will also start the device */
708 	ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_INIT);
709 	if (ret) {
710 		IWL_ERR(mvm, "Failed to start INIT ucode: %d\n", ret);
711 		goto remove_notif;
712 	}
713 
714 	if (mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_8000) {
715 		ret = iwl_mvm_send_bt_init_conf(mvm);
716 		if (ret)
717 			goto remove_notif;
718 	}
719 
720 	/* Read the NVM only at driver load time, no need to do this twice */
721 	if (!mvm->nvm_data) {
722 		ret = iwl_nvm_init(mvm);
723 		if (ret) {
724 			IWL_ERR(mvm, "Failed to read NVM: %d\n", ret);
725 			goto remove_notif;
726 		}
727 	}
728 
729 	/* In case we read the NVM from external file, load it to the NIC */
730 	if (mvm->nvm_file_name) {
731 		ret = iwl_mvm_load_nvm_to_nic(mvm);
732 		if (ret)
733 			goto remove_notif;
734 	}
735 
736 	WARN_ONCE(mvm->nvm_data->nvm_version < mvm->trans->cfg->nvm_ver,
737 		  "Too old NVM version (0x%0x, required = 0x%0x)",
738 		  mvm->nvm_data->nvm_version, mvm->trans->cfg->nvm_ver);
739 
740 	/*
741 	 * abort after reading the nvm in case RF Kill is on, we will complete
742 	 * the init seq later when RF kill will switch to off
743 	 */
744 	if (iwl_mvm_is_radio_hw_killed(mvm)) {
745 		IWL_DEBUG_RF_KILL(mvm,
746 				  "jump over all phy activities due to RF kill\n");
747 		goto remove_notif;
748 	}
749 
750 	mvm->rfkill_safe_init_done = true;
751 
752 	/* Send TX valid antennas before triggering calibrations */
753 	ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm));
754 	if (ret)
755 		goto remove_notif;
756 
757 	ret = iwl_send_phy_cfg_cmd(mvm);
758 	if (ret) {
759 		IWL_ERR(mvm, "Failed to run INIT calibrations: %d\n",
760 			ret);
761 		goto remove_notif;
762 	}
763 
764 	/*
765 	 * Some things may run in the background now, but we
766 	 * just wait for the calibration complete notification.
767 	 */
768 	ret = iwl_wait_notification(&mvm->notif_wait, &calib_wait,
769 				    MVM_UCODE_CALIB_TIMEOUT);
770 	if (!ret)
771 		goto out;
772 
773 	if (iwl_mvm_is_radio_hw_killed(mvm)) {
774 		IWL_DEBUG_RF_KILL(mvm, "RFKILL while calibrating.\n");
775 		ret = 0;
776 	} else {
777 		IWL_ERR(mvm, "Failed to run INIT calibrations: %d\n",
778 			ret);
779 	}
780 
781 	goto out;
782 
783 remove_notif:
784 	iwl_remove_notification(&mvm->notif_wait, &calib_wait);
785 out:
786 	mvm->rfkill_safe_init_done = false;
787 	if (iwlmvm_mod_params.init_dbg && !mvm->nvm_data) {
788 		/* we want to debug INIT and we have no NVM - fake */
789 		mvm->nvm_data = kzalloc(sizeof(struct iwl_nvm_data) +
790 					sizeof(struct ieee80211_channel) +
791 					sizeof(struct ieee80211_rate),
792 					GFP_KERNEL);
793 		if (!mvm->nvm_data)
794 			return -ENOMEM;
795 		mvm->nvm_data->bands[0].channels = mvm->nvm_data->channels;
796 		mvm->nvm_data->bands[0].n_channels = 1;
797 		mvm->nvm_data->bands[0].n_bitrates = 1;
798 		mvm->nvm_data->bands[0].bitrates =
799 			(void *)((u8 *)mvm->nvm_data->channels + 1);
800 		mvm->nvm_data->bands[0].bitrates->hw_value = 10;
801 	}
802 
803 	return ret;
804 }
805 
iwl_mvm_config_ltr(struct iwl_mvm * mvm)806 static int iwl_mvm_config_ltr(struct iwl_mvm *mvm)
807 {
808 	struct iwl_ltr_config_cmd cmd = {
809 		.flags = cpu_to_le32(LTR_CFG_FLAG_FEATURE_ENABLE),
810 	};
811 
812 	if (!mvm->trans->ltr_enabled)
813 		return 0;
814 
815 	return iwl_mvm_send_cmd_pdu(mvm, LTR_CONFIG, 0,
816 				    sizeof(cmd), &cmd);
817 }
818 
819 #ifdef CONFIG_ACPI
iwl_mvm_sar_select_profile(struct iwl_mvm * mvm,int prof_a,int prof_b)820 int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a, int prof_b)
821 {
822 	u32 cmd_id = REDUCE_TX_POWER_CMD;
823 	struct iwl_dev_tx_power_cmd cmd = {
824 		.common.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_CHAINS),
825 	};
826 	__le16 *per_chain;
827 	int ret;
828 	u16 len = 0;
829 	u32 n_subbands;
830 	u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id,
831 					   IWL_FW_CMD_VER_UNKNOWN);
832 	if (cmd_ver == 7) {
833 		len = sizeof(cmd.v7);
834 		n_subbands = IWL_NUM_SUB_BANDS_V2;
835 		per_chain = cmd.v7.per_chain[0][0];
836 		cmd.v7.flags = cpu_to_le32(mvm->fwrt.reduced_power_flags);
837 	} else if (cmd_ver == 6) {
838 		len = sizeof(cmd.v6);
839 		n_subbands = IWL_NUM_SUB_BANDS_V2;
840 		per_chain = cmd.v6.per_chain[0][0];
841 	} else if (fw_has_api(&mvm->fw->ucode_capa,
842 			      IWL_UCODE_TLV_API_REDUCE_TX_POWER)) {
843 		len = sizeof(cmd.v5);
844 		n_subbands = IWL_NUM_SUB_BANDS_V1;
845 		per_chain = cmd.v5.per_chain[0][0];
846 	} else if (fw_has_capa(&mvm->fw->ucode_capa,
847 			       IWL_UCODE_TLV_CAPA_TX_POWER_ACK)) {
848 		len = sizeof(cmd.v4);
849 		n_subbands = IWL_NUM_SUB_BANDS_V1;
850 		per_chain = cmd.v4.per_chain[0][0];
851 	} else {
852 		len = sizeof(cmd.v3);
853 		n_subbands = IWL_NUM_SUB_BANDS_V1;
854 		per_chain = cmd.v3.per_chain[0][0];
855 	}
856 
857 	/* all structs have the same common part, add it */
858 	len += sizeof(cmd.common);
859 
860 	ret = iwl_sar_select_profile(&mvm->fwrt, per_chain,
861 				     IWL_NUM_CHAIN_TABLES,
862 				     n_subbands, prof_a, prof_b);
863 
864 	/* return on error or if the profile is disabled (positive number) */
865 	if (ret)
866 		return ret;
867 
868 	iwl_mei_set_power_limit(per_chain);
869 
870 	IWL_DEBUG_RADIO(mvm, "Sending REDUCE_TX_POWER_CMD per chain\n");
871 	return iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, len, &cmd);
872 }
873 
iwl_mvm_get_sar_geo_profile(struct iwl_mvm * mvm)874 int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm)
875 {
876 	union iwl_geo_tx_power_profiles_cmd geo_tx_cmd;
877 	struct iwl_geo_tx_power_profiles_resp *resp;
878 	u16 len;
879 	int ret;
880 	struct iwl_host_cmd cmd = {
881 		.id = WIDE_ID(PHY_OPS_GROUP, PER_CHAIN_LIMIT_OFFSET_CMD),
882 		.flags = CMD_WANT_SKB,
883 		.data = { &geo_tx_cmd },
884 	};
885 	u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd.id,
886 					   IWL_FW_CMD_VER_UNKNOWN);
887 
888 	/* the ops field is at the same spot for all versions, so set in v1 */
889 	geo_tx_cmd.v1.ops =
890 		cpu_to_le32(IWL_PER_CHAIN_OFFSET_GET_CURRENT_TABLE);
891 
892 	if (cmd_ver == 5)
893 		len = sizeof(geo_tx_cmd.v5);
894 	else if (cmd_ver == 4)
895 		len = sizeof(geo_tx_cmd.v4);
896 	else if (cmd_ver == 3)
897 		len = sizeof(geo_tx_cmd.v3);
898 	else if (fw_has_api(&mvm->fwrt.fw->ucode_capa,
899 			    IWL_UCODE_TLV_API_SAR_TABLE_VER))
900 		len = sizeof(geo_tx_cmd.v2);
901 	else
902 		len = sizeof(geo_tx_cmd.v1);
903 
904 	if (!iwl_sar_geo_support(&mvm->fwrt))
905 		return -EOPNOTSUPP;
906 
907 	cmd.len[0] = len;
908 
909 	ret = iwl_mvm_send_cmd(mvm, &cmd);
910 	if (ret) {
911 		IWL_ERR(mvm, "Failed to get geographic profile info %d\n", ret);
912 		return ret;
913 	}
914 
915 	resp = (void *)cmd.resp_pkt->data;
916 	ret = le32_to_cpu(resp->profile_idx);
917 
918 	if (WARN_ON(ret > ACPI_NUM_GEO_PROFILES_REV3))
919 		ret = -EIO;
920 
921 	iwl_free_resp(&cmd);
922 	return ret;
923 }
924 
iwl_mvm_sar_geo_init(struct iwl_mvm * mvm)925 static int iwl_mvm_sar_geo_init(struct iwl_mvm *mvm)
926 {
927 	u32 cmd_id = WIDE_ID(PHY_OPS_GROUP, PER_CHAIN_LIMIT_OFFSET_CMD);
928 	union iwl_geo_tx_power_profiles_cmd cmd;
929 	u16 len;
930 	u32 n_bands;
931 	u32 n_profiles;
932 	u32 sk = 0;
933 	int ret;
934 	u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id,
935 					   IWL_FW_CMD_VER_UNKNOWN);
936 
937 	BUILD_BUG_ON(offsetof(struct iwl_geo_tx_power_profiles_cmd_v1, ops) !=
938 		     offsetof(struct iwl_geo_tx_power_profiles_cmd_v2, ops) ||
939 		     offsetof(struct iwl_geo_tx_power_profiles_cmd_v2, ops) !=
940 		     offsetof(struct iwl_geo_tx_power_profiles_cmd_v3, ops) ||
941 		     offsetof(struct iwl_geo_tx_power_profiles_cmd_v3, ops) !=
942 		     offsetof(struct iwl_geo_tx_power_profiles_cmd_v4, ops) ||
943 		     offsetof(struct iwl_geo_tx_power_profiles_cmd_v4, ops) !=
944 		     offsetof(struct iwl_geo_tx_power_profiles_cmd_v5, ops));
945 
946 	/* the ops field is at the same spot for all versions, so set in v1 */
947 	cmd.v1.ops = cpu_to_le32(IWL_PER_CHAIN_OFFSET_SET_TABLES);
948 
949 	if (cmd_ver == 5) {
950 		len = sizeof(cmd.v5);
951 		n_bands = ARRAY_SIZE(cmd.v5.table[0]);
952 		n_profiles = ACPI_NUM_GEO_PROFILES_REV3;
953 	} else if (cmd_ver == 4) {
954 		len = sizeof(cmd.v4);
955 		n_bands = ARRAY_SIZE(cmd.v4.table[0]);
956 		n_profiles = ACPI_NUM_GEO_PROFILES_REV3;
957 	} else if (cmd_ver == 3) {
958 		len = sizeof(cmd.v3);
959 		n_bands = ARRAY_SIZE(cmd.v3.table[0]);
960 		n_profiles = ACPI_NUM_GEO_PROFILES;
961 	} else if (fw_has_api(&mvm->fwrt.fw->ucode_capa,
962 			      IWL_UCODE_TLV_API_SAR_TABLE_VER)) {
963 		len = sizeof(cmd.v2);
964 		n_bands = ARRAY_SIZE(cmd.v2.table[0]);
965 		n_profiles = ACPI_NUM_GEO_PROFILES;
966 	} else {
967 		len = sizeof(cmd.v1);
968 		n_bands = ARRAY_SIZE(cmd.v1.table[0]);
969 		n_profiles = ACPI_NUM_GEO_PROFILES;
970 	}
971 
972 	BUILD_BUG_ON(offsetof(struct iwl_geo_tx_power_profiles_cmd_v1, table) !=
973 		     offsetof(struct iwl_geo_tx_power_profiles_cmd_v2, table) ||
974 		     offsetof(struct iwl_geo_tx_power_profiles_cmd_v2, table) !=
975 		     offsetof(struct iwl_geo_tx_power_profiles_cmd_v3, table) ||
976 		     offsetof(struct iwl_geo_tx_power_profiles_cmd_v3, table) !=
977 		     offsetof(struct iwl_geo_tx_power_profiles_cmd_v4, table) ||
978 		     offsetof(struct iwl_geo_tx_power_profiles_cmd_v4, table) !=
979 		     offsetof(struct iwl_geo_tx_power_profiles_cmd_v5, table));
980 	/* the table is at the same position for all versions, so set use v1 */
981 	ret = iwl_sar_geo_init(&mvm->fwrt, &cmd.v1.table[0][0],
982 			       n_bands, n_profiles);
983 
984 	/*
985 	 * It is a valid scenario to not support SAR, or miss wgds table,
986 	 * but in that case there is no need to send the command.
987 	 */
988 	if (ret)
989 		return 0;
990 
991 	/* Only set to South Korea if the table revision is 1 */
992 	if (mvm->fwrt.geo_rev == 1)
993 		sk = 1;
994 
995 	/*
996 	 * Set the table_revision to South Korea (1) or not (0).  The
997 	 * element name is misleading, as it doesn't contain the table
998 	 * revision number, but whether the South Korea variation
999 	 * should be used.
1000 	 * This must be done after calling iwl_sar_geo_init().
1001 	 */
1002 	if (cmd_ver == 5)
1003 		cmd.v5.table_revision = cpu_to_le32(sk);
1004 	else if (cmd_ver == 4)
1005 		cmd.v4.table_revision = cpu_to_le32(sk);
1006 	else if (cmd_ver == 3)
1007 		cmd.v3.table_revision = cpu_to_le32(sk);
1008 	else if (fw_has_api(&mvm->fwrt.fw->ucode_capa,
1009 			    IWL_UCODE_TLV_API_SAR_TABLE_VER))
1010 		cmd.v2.table_revision = cpu_to_le32(sk);
1011 
1012 	return iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, len, &cmd);
1013 }
1014 
iwl_mvm_ppag_send_cmd(struct iwl_mvm * mvm)1015 int iwl_mvm_ppag_send_cmd(struct iwl_mvm *mvm)
1016 {
1017 	union iwl_ppag_table_cmd cmd;
1018 	int ret, cmd_size;
1019 
1020 	ret = iwl_read_ppag_table(&mvm->fwrt, &cmd, &cmd_size);
1021 	/* Not supporting PPAG table is a valid scenario */
1022 	if(ret < 0)
1023 		return 0;
1024 
1025 	IWL_DEBUG_RADIO(mvm, "Sending PER_PLATFORM_ANT_GAIN_CMD\n");
1026 	ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(PHY_OPS_GROUP,
1027 						PER_PLATFORM_ANT_GAIN_CMD),
1028 				   0, cmd_size, &cmd);
1029 	if (ret < 0)
1030 		IWL_ERR(mvm, "failed to send PER_PLATFORM_ANT_GAIN_CMD (%d)\n",
1031 			ret);
1032 
1033 	return ret;
1034 }
1035 
iwl_mvm_ppag_init(struct iwl_mvm * mvm)1036 static int iwl_mvm_ppag_init(struct iwl_mvm *mvm)
1037 {
1038 	/* no need to read the table, done in INIT stage */
1039 	if (!(iwl_acpi_is_ppag_approved(&mvm->fwrt)))
1040 		return 0;
1041 
1042 	return iwl_mvm_ppag_send_cmd(mvm);
1043 }
1044 
1045 static const struct dmi_system_id dmi_tas_approved_list[] = {
1046 	{ .ident = "HP",
1047 	  .matches = {
1048 			DMI_MATCH(DMI_SYS_VENDOR, "HP"),
1049 		},
1050 	},
1051 	{ .ident = "SAMSUNG",
1052 	  .matches = {
1053 			DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD"),
1054 		},
1055 	},
1056 		{ .ident = "LENOVO",
1057 	  .matches = {
1058 			DMI_MATCH(DMI_SYS_VENDOR, "Lenovo"),
1059 		},
1060 	},
1061 	{ .ident = "DELL",
1062 	  .matches = {
1063 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
1064 		},
1065 	},
1066 
1067 	/* keep last */
1068 	{}
1069 };
1070 
iwl_mvm_add_to_tas_block_list(__le32 * list,__le32 * le_size,unsigned int mcc)1071 static bool iwl_mvm_add_to_tas_block_list(__le32 *list, __le32 *le_size, unsigned int mcc)
1072 {
1073 	int i;
1074 	u32 size = le32_to_cpu(*le_size);
1075 
1076 	/* Verify that there is room for another country */
1077 	if (size >= IWL_TAS_BLOCK_LIST_MAX)
1078 		return false;
1079 
1080 	for (i = 0; i < size; i++) {
1081 		if (list[i] == cpu_to_le32(mcc))
1082 			return true;
1083 	}
1084 
1085 	list[size++] = cpu_to_le32(mcc);
1086 	*le_size = cpu_to_le32(size);
1087 	return true;
1088 }
1089 
iwl_mvm_tas_init(struct iwl_mvm * mvm)1090 static void iwl_mvm_tas_init(struct iwl_mvm *mvm)
1091 {
1092 	u32 cmd_id = WIDE_ID(REGULATORY_AND_NVM_GROUP, TAS_CONFIG);
1093 	int ret;
1094 	union iwl_tas_config_cmd cmd = {};
1095 	int cmd_size, fw_ver;
1096 
1097 	BUILD_BUG_ON(ARRAY_SIZE(cmd.v3.block_list_array) <
1098 		     APCI_WTAS_BLACK_LIST_MAX);
1099 
1100 	if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TAS_CFG)) {
1101 		IWL_DEBUG_RADIO(mvm, "TAS not enabled in FW\n");
1102 		return;
1103 	}
1104 
1105 	fw_ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id,
1106 				       IWL_FW_CMD_VER_UNKNOWN);
1107 
1108 	ret = iwl_acpi_get_tas(&mvm->fwrt, &cmd, fw_ver);
1109 	if (ret < 0) {
1110 		IWL_DEBUG_RADIO(mvm,
1111 				"TAS table invalid or unavailable. (%d)\n",
1112 				ret);
1113 		return;
1114 	}
1115 
1116 	if (ret == 0)
1117 		return;
1118 
1119 	if (!dmi_check_system(dmi_tas_approved_list)) {
1120 		IWL_DEBUG_RADIO(mvm,
1121 				"System vendor '%s' is not in the approved list, disabling TAS in US and Canada.\n",
1122 				dmi_get_system_info(DMI_SYS_VENDOR));
1123 		if ((!iwl_mvm_add_to_tas_block_list(cmd.v4.block_list_array,
1124 						    &cmd.v4.block_list_size,
1125 							IWL_TAS_US_MCC)) ||
1126 		    (!iwl_mvm_add_to_tas_block_list(cmd.v4.block_list_array,
1127 						    &cmd.v4.block_list_size,
1128 							IWL_TAS_CANADA_MCC))) {
1129 			IWL_DEBUG_RADIO(mvm,
1130 					"Unable to add US/Canada to TAS block list, disabling TAS\n");
1131 			return;
1132 		}
1133 	}
1134 
1135 	/* v4 is the same size as v3, so no need to differentiate here */
1136 	cmd_size = fw_ver < 3 ?
1137 		sizeof(struct iwl_tas_config_cmd_v2) :
1138 		sizeof(struct iwl_tas_config_cmd_v3);
1139 
1140 	ret = iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, cmd_size, &cmd);
1141 	if (ret < 0)
1142 		IWL_DEBUG_RADIO(mvm, "failed to send TAS_CONFIG (%d)\n", ret);
1143 }
1144 
iwl_mvm_eval_dsm_rfi(struct iwl_mvm * mvm)1145 static u8 iwl_mvm_eval_dsm_rfi(struct iwl_mvm *mvm)
1146 {
1147 	u8 value;
1148 	int ret = iwl_acpi_get_dsm_u8(mvm->fwrt.dev, 0, DSM_RFI_FUNC_ENABLE,
1149 				      &iwl_rfi_guid, &value);
1150 
1151 	if (ret < 0) {
1152 		IWL_DEBUG_RADIO(mvm, "Failed to get DSM RFI, ret=%d\n", ret);
1153 
1154 	} else if (value >= DSM_VALUE_RFI_MAX) {
1155 		IWL_DEBUG_RADIO(mvm, "DSM RFI got invalid value, ret=%d\n",
1156 				value);
1157 
1158 	} else if (value == DSM_VALUE_RFI_ENABLE) {
1159 		IWL_DEBUG_RADIO(mvm, "DSM RFI is evaluated to enable\n");
1160 		return DSM_VALUE_RFI_ENABLE;
1161 	}
1162 
1163 	IWL_DEBUG_RADIO(mvm, "DSM RFI is disabled\n");
1164 
1165 	/* default behaviour is disabled */
1166 	return DSM_VALUE_RFI_DISABLE;
1167 }
1168 
iwl_mvm_lari_cfg(struct iwl_mvm * mvm)1169 static void iwl_mvm_lari_cfg(struct iwl_mvm *mvm)
1170 {
1171 	int ret;
1172 	u32 value;
1173 	struct iwl_lari_config_change_cmd_v6 cmd = {};
1174 
1175 	cmd.config_bitmap = iwl_acpi_get_lari_config_bitmap(&mvm->fwrt);
1176 
1177 	ret = iwl_acpi_get_dsm_u32(mvm->fwrt.dev, 0, DSM_FUNC_11AX_ENABLEMENT,
1178 				   &iwl_guid, &value);
1179 	if (!ret)
1180 		cmd.oem_11ax_allow_bitmap = cpu_to_le32(value);
1181 
1182 	ret = iwl_acpi_get_dsm_u32(mvm->fwrt.dev, 0,
1183 				   DSM_FUNC_ENABLE_UNII4_CHAN,
1184 				   &iwl_guid, &value);
1185 	if (!ret)
1186 		cmd.oem_unii4_allow_bitmap = cpu_to_le32(value);
1187 
1188 	ret = iwl_acpi_get_dsm_u32(mvm->fwrt.dev, 0,
1189 				   DSM_FUNC_ACTIVATE_CHANNEL,
1190 				   &iwl_guid, &value);
1191 	if (!ret)
1192 		cmd.chan_state_active_bitmap = cpu_to_le32(value);
1193 
1194 	ret = iwl_acpi_get_dsm_u32(mvm->fwrt.dev, 0,
1195 				   DSM_FUNC_ENABLE_6E,
1196 				   &iwl_guid, &value);
1197 	if (!ret)
1198 		cmd.oem_uhb_allow_bitmap = cpu_to_le32(value);
1199 
1200 	ret = iwl_acpi_get_dsm_u32(mvm->fwrt.dev, 0,
1201 				   DSM_FUNC_FORCE_DISABLE_CHANNELS,
1202 				   &iwl_guid, &value);
1203 	if (!ret)
1204 		cmd.force_disable_channels_bitmap = cpu_to_le32(value);
1205 
1206 	if (cmd.config_bitmap ||
1207 	    cmd.oem_uhb_allow_bitmap ||
1208 	    cmd.oem_11ax_allow_bitmap ||
1209 	    cmd.oem_unii4_allow_bitmap ||
1210 	    cmd.chan_state_active_bitmap ||
1211 	    cmd.force_disable_channels_bitmap) {
1212 		size_t cmd_size;
1213 		u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw,
1214 						   WIDE_ID(REGULATORY_AND_NVM_GROUP,
1215 							   LARI_CONFIG_CHANGE),
1216 						   1);
1217 		switch (cmd_ver) {
1218 		case 6:
1219 			cmd_size = sizeof(struct iwl_lari_config_change_cmd_v6);
1220 			break;
1221 		case 5:
1222 			cmd_size = sizeof(struct iwl_lari_config_change_cmd_v5);
1223 			break;
1224 		case 4:
1225 			cmd_size = sizeof(struct iwl_lari_config_change_cmd_v4);
1226 			break;
1227 		case 3:
1228 			cmd_size = sizeof(struct iwl_lari_config_change_cmd_v3);
1229 			break;
1230 		case 2:
1231 			cmd_size = sizeof(struct iwl_lari_config_change_cmd_v2);
1232 			break;
1233 		default:
1234 			cmd_size = sizeof(struct iwl_lari_config_change_cmd_v1);
1235 			break;
1236 		}
1237 
1238 		IWL_DEBUG_RADIO(mvm,
1239 				"sending LARI_CONFIG_CHANGE, config_bitmap=0x%x, oem_11ax_allow_bitmap=0x%x\n",
1240 				le32_to_cpu(cmd.config_bitmap),
1241 				le32_to_cpu(cmd.oem_11ax_allow_bitmap));
1242 		IWL_DEBUG_RADIO(mvm,
1243 				"sending LARI_CONFIG_CHANGE, oem_unii4_allow_bitmap=0x%x, chan_state_active_bitmap=0x%x, cmd_ver=%d\n",
1244 				le32_to_cpu(cmd.oem_unii4_allow_bitmap),
1245 				le32_to_cpu(cmd.chan_state_active_bitmap),
1246 				cmd_ver);
1247 		IWL_DEBUG_RADIO(mvm,
1248 				"sending LARI_CONFIG_CHANGE, oem_uhb_allow_bitmap=0x%x, force_disable_channels_bitmap=0x%x\n",
1249 				le32_to_cpu(cmd.oem_uhb_allow_bitmap),
1250 				le32_to_cpu(cmd.force_disable_channels_bitmap));
1251 		ret = iwl_mvm_send_cmd_pdu(mvm,
1252 					   WIDE_ID(REGULATORY_AND_NVM_GROUP,
1253 						   LARI_CONFIG_CHANGE),
1254 					   0, cmd_size, &cmd);
1255 		if (ret < 0)
1256 			IWL_DEBUG_RADIO(mvm,
1257 					"Failed to send LARI_CONFIG_CHANGE (%d)\n",
1258 					ret);
1259 	}
1260 }
1261 
iwl_mvm_get_acpi_tables(struct iwl_mvm * mvm)1262 void iwl_mvm_get_acpi_tables(struct iwl_mvm *mvm)
1263 {
1264 	int ret;
1265 
1266 	/* read PPAG table */
1267 	ret = iwl_acpi_get_ppag_table(&mvm->fwrt);
1268 	if (ret < 0) {
1269 		IWL_DEBUG_RADIO(mvm,
1270 				"PPAG BIOS table invalid or unavailable. (%d)\n",
1271 				ret);
1272 	}
1273 
1274 	/* read SAR tables */
1275 	ret = iwl_sar_get_wrds_table(&mvm->fwrt);
1276 	if (ret < 0) {
1277 		IWL_DEBUG_RADIO(mvm,
1278 				"WRDS SAR BIOS table invalid or unavailable. (%d)\n",
1279 				ret);
1280 		/*
1281 		 * If not available, don't fail and don't bother with EWRD and
1282 		 * WGDS */
1283 
1284 		if (!iwl_sar_get_wgds_table(&mvm->fwrt)) {
1285 			/*
1286 			 * If basic SAR is not available, we check for WGDS,
1287 			 * which should *not* be available either.  If it is
1288 			 * available, issue an error, because we can't use SAR
1289 			 * Geo without basic SAR.
1290 			 */
1291 			IWL_ERR(mvm, "BIOS contains WGDS but no WRDS\n");
1292 		}
1293 
1294 	} else {
1295 		ret = iwl_sar_get_ewrd_table(&mvm->fwrt);
1296 		/* if EWRD is not available, we can still use
1297 		* WRDS, so don't fail */
1298 		if (ret < 0)
1299 			IWL_DEBUG_RADIO(mvm,
1300 					"EWRD SAR BIOS table invalid or unavailable. (%d)\n",
1301 					ret);
1302 
1303 		/* read geo SAR table */
1304 		if (iwl_sar_geo_support(&mvm->fwrt)) {
1305 			ret = iwl_sar_get_wgds_table(&mvm->fwrt);
1306 			if (ret < 0)
1307 				IWL_DEBUG_RADIO(mvm,
1308 						"Geo SAR BIOS table invalid or unavailable. (%d)\n",
1309 						ret);
1310 				/* we don't fail if the table is not available */
1311 		}
1312 	}
1313 }
1314 #else /* CONFIG_ACPI */
1315 
iwl_mvm_sar_select_profile(struct iwl_mvm * mvm,int prof_a,int prof_b)1316 inline int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm,
1317 				      int prof_a, int prof_b)
1318 {
1319 	return 1;
1320 }
1321 
iwl_mvm_get_sar_geo_profile(struct iwl_mvm * mvm)1322 inline int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm)
1323 {
1324 	return -ENOENT;
1325 }
1326 
iwl_mvm_sar_geo_init(struct iwl_mvm * mvm)1327 static int iwl_mvm_sar_geo_init(struct iwl_mvm *mvm)
1328 {
1329 	return 0;
1330 }
1331 
iwl_mvm_ppag_send_cmd(struct iwl_mvm * mvm)1332 int iwl_mvm_ppag_send_cmd(struct iwl_mvm *mvm)
1333 {
1334 	return -ENOENT;
1335 }
1336 
iwl_mvm_ppag_init(struct iwl_mvm * mvm)1337 static int iwl_mvm_ppag_init(struct iwl_mvm *mvm)
1338 {
1339 	return 0;
1340 }
1341 
iwl_mvm_tas_init(struct iwl_mvm * mvm)1342 static void iwl_mvm_tas_init(struct iwl_mvm *mvm)
1343 {
1344 }
1345 
iwl_mvm_lari_cfg(struct iwl_mvm * mvm)1346 static void iwl_mvm_lari_cfg(struct iwl_mvm *mvm)
1347 {
1348 }
1349 
iwl_mvm_eval_dsm_rfi(struct iwl_mvm * mvm)1350 static u8 iwl_mvm_eval_dsm_rfi(struct iwl_mvm *mvm)
1351 {
1352 	return DSM_VALUE_RFI_DISABLE;
1353 }
1354 
iwl_mvm_get_acpi_tables(struct iwl_mvm * mvm)1355 void iwl_mvm_get_acpi_tables(struct iwl_mvm *mvm)
1356 {
1357 }
1358 
1359 #endif /* CONFIG_ACPI */
1360 
iwl_mvm_send_recovery_cmd(struct iwl_mvm * mvm,u32 flags)1361 void iwl_mvm_send_recovery_cmd(struct iwl_mvm *mvm, u32 flags)
1362 {
1363 	u32 error_log_size = mvm->fw->ucode_capa.error_log_size;
1364 	int ret;
1365 	u32 resp;
1366 
1367 	struct iwl_fw_error_recovery_cmd recovery_cmd = {
1368 		.flags = cpu_to_le32(flags),
1369 		.buf_size = 0,
1370 	};
1371 	struct iwl_host_cmd host_cmd = {
1372 		.id = WIDE_ID(SYSTEM_GROUP, FW_ERROR_RECOVERY_CMD),
1373 		.flags = CMD_WANT_SKB,
1374 		.data = {&recovery_cmd, },
1375 		.len = {sizeof(recovery_cmd), },
1376 	};
1377 
1378 	/* no error log was defined in TLV */
1379 	if (!error_log_size)
1380 		return;
1381 
1382 	if (flags & ERROR_RECOVERY_UPDATE_DB) {
1383 		/* no buf was allocated while HW reset */
1384 		if (!mvm->error_recovery_buf)
1385 			return;
1386 
1387 		host_cmd.data[1] = mvm->error_recovery_buf;
1388 		host_cmd.len[1] =  error_log_size;
1389 		host_cmd.dataflags[1] = IWL_HCMD_DFL_NOCOPY;
1390 		recovery_cmd.buf_size = cpu_to_le32(error_log_size);
1391 	}
1392 
1393 	ret = iwl_mvm_send_cmd(mvm, &host_cmd);
1394 	kfree(mvm->error_recovery_buf);
1395 	mvm->error_recovery_buf = NULL;
1396 
1397 	if (ret) {
1398 		IWL_ERR(mvm, "Failed to send recovery cmd %d\n", ret);
1399 		return;
1400 	}
1401 
1402 	/* skb respond is only relevant in ERROR_RECOVERY_UPDATE_DB */
1403 	if (flags & ERROR_RECOVERY_UPDATE_DB) {
1404 		resp = le32_to_cpu(*(__le32 *)host_cmd.resp_pkt->data);
1405 		if (resp)
1406 			IWL_ERR(mvm,
1407 				"Failed to send recovery cmd blob was invalid %d\n",
1408 				resp);
1409 	}
1410 }
1411 
iwl_mvm_sar_init(struct iwl_mvm * mvm)1412 static int iwl_mvm_sar_init(struct iwl_mvm *mvm)
1413 {
1414 	return iwl_mvm_sar_select_profile(mvm, 1, 1);
1415 }
1416 
iwl_mvm_load_rt_fw(struct iwl_mvm * mvm)1417 static int iwl_mvm_load_rt_fw(struct iwl_mvm *mvm)
1418 {
1419 	int ret;
1420 
1421 	if (iwl_mvm_has_unified_ucode(mvm))
1422 		return iwl_run_unified_mvm_ucode(mvm);
1423 
1424 	ret = iwl_run_init_mvm_ucode(mvm);
1425 
1426 	if (ret) {
1427 		IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", ret);
1428 
1429 		if (iwlmvm_mod_params.init_dbg)
1430 			return 0;
1431 		return ret;
1432 	}
1433 
1434 	iwl_fw_dbg_stop_sync(&mvm->fwrt);
1435 	iwl_trans_stop_device(mvm->trans);
1436 	ret = iwl_trans_start_hw(mvm->trans);
1437 	if (ret)
1438 		return ret;
1439 
1440 	mvm->rfkill_safe_init_done = false;
1441 	ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_REGULAR);
1442 	if (ret)
1443 		return ret;
1444 
1445 	mvm->rfkill_safe_init_done = true;
1446 
1447 	iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_AFTER_ALIVE,
1448 			       NULL);
1449 
1450 	return iwl_init_paging(&mvm->fwrt, mvm->fwrt.cur_fw_img);
1451 }
1452 
iwl_mvm_up(struct iwl_mvm * mvm)1453 int iwl_mvm_up(struct iwl_mvm *mvm)
1454 {
1455 	int ret, i;
1456 	struct ieee80211_channel *chan;
1457 	struct cfg80211_chan_def chandef;
1458 	struct ieee80211_supported_band *sband = NULL;
1459 
1460 	lockdep_assert_held(&mvm->mutex);
1461 
1462 	ret = iwl_trans_start_hw(mvm->trans);
1463 	if (ret)
1464 		return ret;
1465 
1466 	ret = iwl_mvm_load_rt_fw(mvm);
1467 	if (ret) {
1468 		IWL_ERR(mvm, "Failed to start RT ucode: %d\n", ret);
1469 		if (ret != -ERFKILL)
1470 			iwl_fw_dbg_error_collect(&mvm->fwrt,
1471 						 FW_DBG_TRIGGER_DRIVER);
1472 		goto error;
1473 	}
1474 
1475 	iwl_get_shared_mem_conf(&mvm->fwrt);
1476 
1477 	ret = iwl_mvm_sf_update(mvm, NULL, false);
1478 	if (ret)
1479 		IWL_ERR(mvm, "Failed to initialize Smart Fifo\n");
1480 
1481 	if (!iwl_trans_dbg_ini_valid(mvm->trans)) {
1482 		mvm->fwrt.dump.conf = FW_DBG_INVALID;
1483 		/* if we have a destination, assume EARLY START */
1484 		if (mvm->fw->dbg.dest_tlv)
1485 			mvm->fwrt.dump.conf = FW_DBG_START_FROM_ALIVE;
1486 		iwl_fw_start_dbg_conf(&mvm->fwrt, FW_DBG_START_FROM_ALIVE);
1487 	}
1488 
1489 	ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm));
1490 	if (ret)
1491 		goto error;
1492 
1493 	if (!iwl_mvm_has_unified_ucode(mvm)) {
1494 		/* Send phy db control command and then phy db calibration */
1495 		ret = iwl_send_phy_db_data(mvm->phy_db);
1496 		if (ret)
1497 			goto error;
1498 	}
1499 
1500 	ret = iwl_send_phy_cfg_cmd(mvm);
1501 	if (ret)
1502 		goto error;
1503 
1504 	ret = iwl_mvm_send_bt_init_conf(mvm);
1505 	if (ret)
1506 		goto error;
1507 
1508 	if (fw_has_capa(&mvm->fw->ucode_capa,
1509 			IWL_UCODE_TLV_CAPA_SOC_LATENCY_SUPPORT)) {
1510 		ret = iwl_set_soc_latency(&mvm->fwrt);
1511 		if (ret)
1512 			goto error;
1513 	}
1514 
1515 	/* Init RSS configuration */
1516 	ret = iwl_configure_rxq(&mvm->fwrt);
1517 	if (ret)
1518 		goto error;
1519 
1520 	if (iwl_mvm_has_new_rx_api(mvm)) {
1521 		ret = iwl_send_rss_cfg_cmd(mvm);
1522 		if (ret) {
1523 			IWL_ERR(mvm, "Failed to configure RSS queues: %d\n",
1524 				ret);
1525 			goto error;
1526 		}
1527 	}
1528 
1529 	/* init the fw <-> mac80211 STA mapping */
1530 	for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++)
1531 		RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL);
1532 
1533 	mvm->tdls_cs.peer.sta_id = IWL_MVM_INVALID_STA;
1534 
1535 	/* reset quota debouncing buffer - 0xff will yield invalid data */
1536 	memset(&mvm->last_quota_cmd, 0xff, sizeof(mvm->last_quota_cmd));
1537 
1538 	if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_DQA_SUPPORT)) {
1539 		ret = iwl_mvm_send_dqa_cmd(mvm);
1540 		if (ret)
1541 			goto error;
1542 	}
1543 
1544 	/*
1545 	 * Add auxiliary station for scanning.
1546 	 * Newer versions of this command implies that the fw uses
1547 	 * internal aux station for all aux activities that don't
1548 	 * requires a dedicated data queue.
1549 	 */
1550 	if (iwl_fw_lookup_cmd_ver(mvm->fw, ADD_STA, 0) < 12) {
1551 		 /*
1552 		  * In old version the aux station uses mac id like other
1553 		  * station and not lmac id
1554 		  */
1555 		ret = iwl_mvm_add_aux_sta(mvm, MAC_INDEX_AUX);
1556 		if (ret)
1557 			goto error;
1558 	}
1559 
1560 	/* Add all the PHY contexts */
1561 	i = 0;
1562 	while (!sband && i < NUM_NL80211_BANDS)
1563 		sband = mvm->hw->wiphy->bands[i++];
1564 
1565 	if (WARN_ON_ONCE(!sband)) {
1566 		ret = -ENODEV;
1567 		goto error;
1568 	}
1569 
1570 	chan = &sband->channels[0];
1571 
1572 	cfg80211_chandef_create(&chandef, chan, NL80211_CHAN_NO_HT);
1573 	for (i = 0; i < NUM_PHY_CTX; i++) {
1574 		/*
1575 		 * The channel used here isn't relevant as it's
1576 		 * going to be overwritten in the other flows.
1577 		 * For now use the first channel we have.
1578 		 */
1579 		ret = iwl_mvm_phy_ctxt_add(mvm, &mvm->phy_ctxts[i],
1580 					   &chandef, 1, 1);
1581 		if (ret)
1582 			goto error;
1583 	}
1584 
1585 	if (iwl_mvm_is_tt_in_fw(mvm)) {
1586 		/* in order to give the responsibility of ct-kill and
1587 		 * TX backoff to FW we need to send empty temperature reporting
1588 		 * cmd during init time
1589 		 */
1590 		iwl_mvm_send_temp_report_ths_cmd(mvm);
1591 	} else {
1592 		/* Initialize tx backoffs to the minimal possible */
1593 		iwl_mvm_tt_tx_backoff(mvm, 0);
1594 	}
1595 
1596 #ifdef CONFIG_THERMAL
1597 	/* TODO: read the budget from BIOS / Platform NVM */
1598 
1599 	/*
1600 	 * In case there is no budget from BIOS / Platform NVM the default
1601 	 * budget should be 2000mW (cooling state 0).
1602 	 */
1603 	if (iwl_mvm_is_ctdp_supported(mvm)) {
1604 		ret = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_START,
1605 					   mvm->cooling_dev.cur_state);
1606 		if (ret)
1607 			goto error;
1608 	}
1609 #endif
1610 
1611 	if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_SET_LTR_GEN2))
1612 		WARN_ON(iwl_mvm_config_ltr(mvm));
1613 
1614 	ret = iwl_mvm_power_update_device(mvm);
1615 	if (ret)
1616 		goto error;
1617 
1618 	iwl_mvm_lari_cfg(mvm);
1619 	/*
1620 	 * RTNL is not taken during Ct-kill, but we don't need to scan/Tx
1621 	 * anyway, so don't init MCC.
1622 	 */
1623 	if (!test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status)) {
1624 		ret = iwl_mvm_init_mcc(mvm);
1625 		if (ret)
1626 			goto error;
1627 	}
1628 
1629 	if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) {
1630 		mvm->scan_type = IWL_SCAN_TYPE_NOT_SET;
1631 		mvm->hb_scan_type = IWL_SCAN_TYPE_NOT_SET;
1632 		ret = iwl_mvm_config_scan(mvm);
1633 		if (ret)
1634 			goto error;
1635 	}
1636 
1637 	if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
1638 		iwl_mvm_send_recovery_cmd(mvm, ERROR_RECOVERY_UPDATE_DB);
1639 
1640 	if (iwl_acpi_get_eckv(mvm->dev, &mvm->ext_clock_valid))
1641 		IWL_DEBUG_INFO(mvm, "ECKV table doesn't exist in BIOS\n");
1642 
1643 	ret = iwl_mvm_ppag_init(mvm);
1644 	if (ret)
1645 		goto error;
1646 
1647 	ret = iwl_mvm_sar_init(mvm);
1648 	if (ret == 0)
1649 		ret = iwl_mvm_sar_geo_init(mvm);
1650 	if (ret < 0)
1651 		goto error;
1652 
1653 	ret = iwl_mvm_sgom_init(mvm);
1654 	if (ret)
1655 		goto error;
1656 
1657 	iwl_mvm_tas_init(mvm);
1658 	iwl_mvm_leds_sync(mvm);
1659 
1660 	iwl_mvm_ftm_initiator_smooth_config(mvm);
1661 
1662 	if (fw_has_capa(&mvm->fw->ucode_capa,
1663 			IWL_UCODE_TLV_CAPA_RFIM_SUPPORT)) {
1664 		if (iwl_mvm_eval_dsm_rfi(mvm) == DSM_VALUE_RFI_ENABLE)
1665 			iwl_rfi_send_config_cmd(mvm, NULL);
1666 	}
1667 
1668 	iwl_mvm_mei_device_state(mvm, true);
1669 
1670 	IWL_DEBUG_INFO(mvm, "RT uCode started.\n");
1671 	return 0;
1672  error:
1673 	if (!iwlmvm_mod_params.init_dbg || !ret)
1674 		iwl_mvm_stop_device(mvm);
1675 	return ret;
1676 }
1677 
iwl_mvm_load_d3_fw(struct iwl_mvm * mvm)1678 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm)
1679 {
1680 	int ret, i;
1681 
1682 	lockdep_assert_held(&mvm->mutex);
1683 
1684 	ret = iwl_trans_start_hw(mvm->trans);
1685 	if (ret)
1686 		return ret;
1687 
1688 	ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_WOWLAN);
1689 	if (ret) {
1690 		IWL_ERR(mvm, "Failed to start WoWLAN firmware: %d\n", ret);
1691 		goto error;
1692 	}
1693 
1694 	ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm));
1695 	if (ret)
1696 		goto error;
1697 
1698 	/* Send phy db control command and then phy db calibration*/
1699 	ret = iwl_send_phy_db_data(mvm->phy_db);
1700 	if (ret)
1701 		goto error;
1702 
1703 	ret = iwl_send_phy_cfg_cmd(mvm);
1704 	if (ret)
1705 		goto error;
1706 
1707 	/* init the fw <-> mac80211 STA mapping */
1708 	for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++)
1709 		RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL);
1710 
1711 	if (iwl_fw_lookup_cmd_ver(mvm->fw, ADD_STA, 0) < 12) {
1712 		/*
1713 		 * Add auxiliary station for scanning.
1714 		 * Newer versions of this command implies that the fw uses
1715 		 * internal aux station for all aux activities that don't
1716 		 * requires a dedicated data queue.
1717 		 * In old version the aux station uses mac id like other
1718 		 * station and not lmac id
1719 		 */
1720 		ret = iwl_mvm_add_aux_sta(mvm, MAC_INDEX_AUX);
1721 		if (ret)
1722 			goto error;
1723 	}
1724 
1725 	return 0;
1726  error:
1727 	iwl_mvm_stop_device(mvm);
1728 	return ret;
1729 }
1730 
iwl_mvm_rx_mfuart_notif(struct iwl_mvm * mvm,struct iwl_rx_cmd_buffer * rxb)1731 void iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm,
1732 			     struct iwl_rx_cmd_buffer *rxb)
1733 {
1734 	struct iwl_rx_packet *pkt = rxb_addr(rxb);
1735 	struct iwl_mfuart_load_notif *mfuart_notif = (void *)pkt->data;
1736 
1737 	IWL_DEBUG_INFO(mvm,
1738 		       "MFUART: installed ver: 0x%08x, external ver: 0x%08x, status: 0x%08x, duration: 0x%08x\n",
1739 		       le32_to_cpu(mfuart_notif->installed_ver),
1740 		       le32_to_cpu(mfuart_notif->external_ver),
1741 		       le32_to_cpu(mfuart_notif->status),
1742 		       le32_to_cpu(mfuart_notif->duration));
1743 
1744 	if (iwl_rx_packet_payload_len(pkt) == sizeof(*mfuart_notif))
1745 		IWL_DEBUG_INFO(mvm,
1746 			       "MFUART: image size: 0x%08x\n",
1747 			       le32_to_cpu(mfuart_notif->image_size));
1748 }
1749