1 /******************************************************************************
2 *
3 * This file is provided under a dual BSD/GPLv2 license. When using or
4 * redistributing this file, you may do so under either license.
5 *
6 * GPL LICENSE SUMMARY
7 *
8 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
9 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
10 * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
11 * Copyright(c) 2018 - 2019 Intel Corporation
12 *
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of version 2 of the GNU General Public License as
15 * published by the Free Software Foundation.
16 *
17 * This program is distributed in the hope that it will be useful, but
18 * WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * General Public License for more details.
21 *
22 * The full GNU General Public License is included in this distribution
23 * in the file called COPYING.
24 *
25 * Contact Information:
26 * Intel Linux Wireless <linuxwifi@intel.com>
27 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
28 *
29 * BSD LICENSE
30 *
31 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
32 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
33 * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
34 * Copyright(c) 2018 - 2019 Intel Corporation
35 * All rights reserved.
36 *
37 * Redistribution and use in source and binary forms, with or without
38 * modification, are permitted provided that the following conditions
39 * are met:
40 *
41 * * Redistributions of source code must retain the above copyright
42 * notice, this list of conditions and the following disclaimer.
43 * * Redistributions in binary form must reproduce the above copyright
44 * notice, this list of conditions and the following disclaimer in
45 * the documentation and/or other materials provided with the
46 * distribution.
47 * * Neither the name Intel Corporation nor the names of its
48 * contributors may be used to endorse or promote products derived
49 * from this software without specific prior written permission.
50 *
51 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
52 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
53 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
54 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
55 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
56 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
57 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
58 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
59 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
60 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
61 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
62 *
63 *****************************************************************************/
64 #include <net/mac80211.h>
65 #include <linux/netdevice.h>
66
67 #include "iwl-trans.h"
68 #include "iwl-op-mode.h"
69 #include "fw/img.h"
70 #include "iwl-debug.h"
71 #include "iwl-csr.h" /* for iwl_mvm_rx_card_state_notif */
72 #include "iwl-io.h" /* for iwl_mvm_rx_card_state_notif */
73 #include "iwl-prph.h"
74 #include "fw/acpi.h"
75
76 #include "mvm.h"
77 #include "fw/dbg.h"
78 #include "iwl-phy-db.h"
79 #include "iwl-modparams.h"
80 #include "iwl-nvm-parse.h"
81
82 #define MVM_UCODE_ALIVE_TIMEOUT HZ
83 #define MVM_UCODE_CALIB_TIMEOUT (2*HZ)
84
85 #define UCODE_VALID_OK cpu_to_le32(0x1)
86
87 struct iwl_mvm_alive_data {
88 bool valid;
89 u32 scd_base_addr;
90 };
91
iwl_send_tx_ant_cfg(struct iwl_mvm * mvm,u8 valid_tx_ant)92 static int iwl_send_tx_ant_cfg(struct iwl_mvm *mvm, u8 valid_tx_ant)
93 {
94 struct iwl_tx_ant_cfg_cmd tx_ant_cmd = {
95 .valid = cpu_to_le32(valid_tx_ant),
96 };
97
98 IWL_DEBUG_FW(mvm, "select valid tx ant: %u\n", valid_tx_ant);
99 return iwl_mvm_send_cmd_pdu(mvm, TX_ANT_CONFIGURATION_CMD, 0,
100 sizeof(tx_ant_cmd), &tx_ant_cmd);
101 }
102
iwl_send_rss_cfg_cmd(struct iwl_mvm * mvm)103 static int iwl_send_rss_cfg_cmd(struct iwl_mvm *mvm)
104 {
105 int i;
106 struct iwl_rss_config_cmd cmd = {
107 .flags = cpu_to_le32(IWL_RSS_ENABLE),
108 .hash_mask = BIT(IWL_RSS_HASH_TYPE_IPV4_TCP) |
109 BIT(IWL_RSS_HASH_TYPE_IPV4_UDP) |
110 BIT(IWL_RSS_HASH_TYPE_IPV4_PAYLOAD) |
111 BIT(IWL_RSS_HASH_TYPE_IPV6_TCP) |
112 BIT(IWL_RSS_HASH_TYPE_IPV6_UDP) |
113 BIT(IWL_RSS_HASH_TYPE_IPV6_PAYLOAD),
114 };
115
116 if (mvm->trans->num_rx_queues == 1)
117 return 0;
118
119 /* Do not direct RSS traffic to Q 0 which is our fallback queue */
120 for (i = 0; i < ARRAY_SIZE(cmd.indirection_table); i++)
121 cmd.indirection_table[i] =
122 1 + (i % (mvm->trans->num_rx_queues - 1));
123 netdev_rss_key_fill(cmd.secret_key, sizeof(cmd.secret_key));
124
125 return iwl_mvm_send_cmd_pdu(mvm, RSS_CONFIG_CMD, 0, sizeof(cmd), &cmd);
126 }
127
iwl_configure_rxq(struct iwl_mvm * mvm)128 static int iwl_configure_rxq(struct iwl_mvm *mvm)
129 {
130 int i, num_queues, size, ret;
131 struct iwl_rfh_queue_config *cmd;
132 struct iwl_host_cmd hcmd = {
133 .id = WIDE_ID(DATA_PATH_GROUP, RFH_QUEUE_CONFIG_CMD),
134 .dataflags[0] = IWL_HCMD_DFL_NOCOPY,
135 };
136
137 /* Do not configure default queue, it is configured via context info */
138 num_queues = mvm->trans->num_rx_queues - 1;
139
140 size = struct_size(cmd, data, num_queues);
141
142 cmd = kzalloc(size, GFP_KERNEL);
143 if (!cmd)
144 return -ENOMEM;
145
146 cmd->num_queues = num_queues;
147
148 for (i = 0; i < num_queues; i++) {
149 struct iwl_trans_rxq_dma_data data;
150
151 cmd->data[i].q_num = i + 1;
152 iwl_trans_get_rxq_dma_data(mvm->trans, i + 1, &data);
153
154 cmd->data[i].fr_bd_cb = cpu_to_le64(data.fr_bd_cb);
155 cmd->data[i].urbd_stts_wrptr =
156 cpu_to_le64(data.urbd_stts_wrptr);
157 cmd->data[i].ur_bd_cb = cpu_to_le64(data.ur_bd_cb);
158 cmd->data[i].fr_bd_wid = cpu_to_le32(data.fr_bd_wid);
159 }
160
161 hcmd.data[0] = cmd;
162 hcmd.len[0] = size;
163
164 ret = iwl_mvm_send_cmd(mvm, &hcmd);
165
166 kfree(cmd);
167
168 return ret;
169 }
170
iwl_mvm_send_dqa_cmd(struct iwl_mvm * mvm)171 static int iwl_mvm_send_dqa_cmd(struct iwl_mvm *mvm)
172 {
173 struct iwl_dqa_enable_cmd dqa_cmd = {
174 .cmd_queue = cpu_to_le32(IWL_MVM_DQA_CMD_QUEUE),
175 };
176 u32 cmd_id = iwl_cmd_id(DQA_ENABLE_CMD, DATA_PATH_GROUP, 0);
177 int ret;
178
179 ret = iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, sizeof(dqa_cmd), &dqa_cmd);
180 if (ret)
181 IWL_ERR(mvm, "Failed to send DQA enabling command: %d\n", ret);
182 else
183 IWL_DEBUG_FW(mvm, "Working in DQA mode\n");
184
185 return ret;
186 }
187
iwl_mvm_mfu_assert_dump_notif(struct iwl_mvm * mvm,struct iwl_rx_cmd_buffer * rxb)188 void iwl_mvm_mfu_assert_dump_notif(struct iwl_mvm *mvm,
189 struct iwl_rx_cmd_buffer *rxb)
190 {
191 struct iwl_rx_packet *pkt = rxb_addr(rxb);
192 struct iwl_mfu_assert_dump_notif *mfu_dump_notif = (void *)pkt->data;
193 __le32 *dump_data = mfu_dump_notif->data;
194 int n_words = le32_to_cpu(mfu_dump_notif->data_size) / sizeof(__le32);
195 int i;
196
197 if (mfu_dump_notif->index_num == 0)
198 IWL_INFO(mvm, "MFUART assert id 0x%x occurred\n",
199 le32_to_cpu(mfu_dump_notif->assert_id));
200
201 for (i = 0; i < n_words; i++)
202 IWL_DEBUG_INFO(mvm,
203 "MFUART assert dump, dword %u: 0x%08x\n",
204 le16_to_cpu(mfu_dump_notif->index_num) *
205 n_words + i,
206 le32_to_cpu(dump_data[i]));
207 }
208
iwl_alive_fn(struct iwl_notif_wait_data * notif_wait,struct iwl_rx_packet * pkt,void * data)209 static bool iwl_alive_fn(struct iwl_notif_wait_data *notif_wait,
210 struct iwl_rx_packet *pkt, void *data)
211 {
212 struct iwl_mvm *mvm =
213 container_of(notif_wait, struct iwl_mvm, notif_wait);
214 struct iwl_mvm_alive_data *alive_data = data;
215 struct mvm_alive_resp_v3 *palive3;
216 struct mvm_alive_resp *palive;
217 struct iwl_umac_alive *umac;
218 struct iwl_lmac_alive *lmac1;
219 struct iwl_lmac_alive *lmac2 = NULL;
220 u16 status;
221 u32 lmac_error_event_table, umac_error_event_table;
222
223 if (iwl_rx_packet_payload_len(pkt) == sizeof(*palive)) {
224 palive = (void *)pkt->data;
225 umac = &palive->umac_data;
226 lmac1 = &palive->lmac_data[0];
227 lmac2 = &palive->lmac_data[1];
228 status = le16_to_cpu(palive->status);
229 } else {
230 palive3 = (void *)pkt->data;
231 umac = &palive3->umac_data;
232 lmac1 = &palive3->lmac_data;
233 status = le16_to_cpu(palive3->status);
234 }
235
236 lmac_error_event_table =
237 le32_to_cpu(lmac1->dbg_ptrs.error_event_table_ptr);
238 iwl_fw_lmac1_set_alive_err_table(mvm->trans, lmac_error_event_table);
239
240 if (lmac2)
241 mvm->trans->dbg.lmac_error_event_table[1] =
242 le32_to_cpu(lmac2->dbg_ptrs.error_event_table_ptr);
243
244 umac_error_event_table = le32_to_cpu(umac->dbg_ptrs.error_info_addr);
245
246 if (!umac_error_event_table) {
247 mvm->support_umac_log = false;
248 } else if (umac_error_event_table >=
249 mvm->trans->cfg->min_umac_error_event_table) {
250 mvm->support_umac_log = true;
251 } else {
252 IWL_ERR(mvm,
253 "Not valid error log pointer 0x%08X for %s uCode\n",
254 umac_error_event_table,
255 (mvm->fwrt.cur_fw_img == IWL_UCODE_INIT) ?
256 "Init" : "RT");
257 mvm->support_umac_log = false;
258 }
259
260 if (mvm->support_umac_log)
261 iwl_fw_umac_set_alive_err_table(mvm->trans,
262 umac_error_event_table);
263
264 alive_data->scd_base_addr = le32_to_cpu(lmac1->dbg_ptrs.scd_base_ptr);
265 alive_data->valid = status == IWL_ALIVE_STATUS_OK;
266
267 IWL_DEBUG_FW(mvm,
268 "Alive ucode status 0x%04x revision 0x%01X 0x%01X\n",
269 status, lmac1->ver_type, lmac1->ver_subtype);
270
271 if (lmac2)
272 IWL_DEBUG_FW(mvm, "Alive ucode CDB\n");
273
274 IWL_DEBUG_FW(mvm,
275 "UMAC version: Major - 0x%x, Minor - 0x%x\n",
276 le32_to_cpu(umac->umac_major),
277 le32_to_cpu(umac->umac_minor));
278
279 iwl_fwrt_update_fw_versions(&mvm->fwrt, lmac1, umac);
280
281 return true;
282 }
283
iwl_wait_init_complete(struct iwl_notif_wait_data * notif_wait,struct iwl_rx_packet * pkt,void * data)284 static bool iwl_wait_init_complete(struct iwl_notif_wait_data *notif_wait,
285 struct iwl_rx_packet *pkt, void *data)
286 {
287 WARN_ON(pkt->hdr.cmd != INIT_COMPLETE_NOTIF);
288
289 return true;
290 }
291
iwl_wait_phy_db_entry(struct iwl_notif_wait_data * notif_wait,struct iwl_rx_packet * pkt,void * data)292 static bool iwl_wait_phy_db_entry(struct iwl_notif_wait_data *notif_wait,
293 struct iwl_rx_packet *pkt, void *data)
294 {
295 struct iwl_phy_db *phy_db = data;
296
297 if (pkt->hdr.cmd != CALIB_RES_NOTIF_PHY_DB) {
298 WARN_ON(pkt->hdr.cmd != INIT_COMPLETE_NOTIF);
299 return true;
300 }
301
302 WARN_ON(iwl_phy_db_set_section(phy_db, pkt));
303
304 return false;
305 }
306
iwl_mvm_load_ucode_wait_alive(struct iwl_mvm * mvm,enum iwl_ucode_type ucode_type)307 static int iwl_mvm_load_ucode_wait_alive(struct iwl_mvm *mvm,
308 enum iwl_ucode_type ucode_type)
309 {
310 struct iwl_notification_wait alive_wait;
311 struct iwl_mvm_alive_data alive_data = {};
312 const struct fw_img *fw;
313 int ret;
314 enum iwl_ucode_type old_type = mvm->fwrt.cur_fw_img;
315 static const u16 alive_cmd[] = { MVM_ALIVE };
316 bool run_in_rfkill =
317 ucode_type == IWL_UCODE_INIT || iwl_mvm_has_unified_ucode(mvm);
318
319 if (ucode_type == IWL_UCODE_REGULAR &&
320 iwl_fw_dbg_conf_usniffer(mvm->fw, FW_DBG_START_FROM_ALIVE) &&
321 !(fw_has_capa(&mvm->fw->ucode_capa,
322 IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED)))
323 fw = iwl_get_ucode_image(mvm->fw, IWL_UCODE_REGULAR_USNIFFER);
324 else
325 fw = iwl_get_ucode_image(mvm->fw, ucode_type);
326 if (WARN_ON(!fw))
327 return -EINVAL;
328 iwl_fw_set_current_image(&mvm->fwrt, ucode_type);
329 clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status);
330
331 iwl_init_notification_wait(&mvm->notif_wait, &alive_wait,
332 alive_cmd, ARRAY_SIZE(alive_cmd),
333 iwl_alive_fn, &alive_data);
334
335 /*
336 * We want to load the INIT firmware even in RFKILL
337 * For the unified firmware case, the ucode_type is not
338 * INIT, but we still need to run it.
339 */
340 ret = iwl_trans_start_fw(mvm->trans, fw, run_in_rfkill);
341 if (ret) {
342 iwl_fw_set_current_image(&mvm->fwrt, old_type);
343 iwl_remove_notification(&mvm->notif_wait, &alive_wait);
344 return ret;
345 }
346
347 /*
348 * Some things may run in the background now, but we
349 * just wait for the ALIVE notification here.
350 */
351 ret = iwl_wait_notification(&mvm->notif_wait, &alive_wait,
352 MVM_UCODE_ALIVE_TIMEOUT);
353 if (ret) {
354 struct iwl_trans *trans = mvm->trans;
355
356 if (ret == -ETIMEDOUT)
357 iwl_fw_dbg_error_collect(&mvm->fwrt,
358 FW_DBG_TRIGGER_ALIVE_TIMEOUT);
359
360 if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_22000)
361 IWL_ERR(mvm,
362 "SecBoot CPU1 Status: 0x%x, CPU2 Status: 0x%x\n",
363 iwl_read_umac_prph(trans, UMAG_SB_CPU_1_STATUS),
364 iwl_read_umac_prph(trans,
365 UMAG_SB_CPU_2_STATUS));
366 else if (trans->trans_cfg->device_family >=
367 IWL_DEVICE_FAMILY_8000)
368 IWL_ERR(mvm,
369 "SecBoot CPU1 Status: 0x%x, CPU2 Status: 0x%x\n",
370 iwl_read_prph(trans, SB_CPU_1_STATUS),
371 iwl_read_prph(trans, SB_CPU_2_STATUS));
372 iwl_fw_set_current_image(&mvm->fwrt, old_type);
373 return ret;
374 }
375
376 if (!alive_data.valid) {
377 IWL_ERR(mvm, "Loaded ucode is not valid!\n");
378 iwl_fw_set_current_image(&mvm->fwrt, old_type);
379 return -EIO;
380 }
381
382 iwl_trans_fw_alive(mvm->trans, alive_data.scd_base_addr);
383
384 /*
385 * Note: all the queues are enabled as part of the interface
386 * initialization, but in firmware restart scenarios they
387 * could be stopped, so wake them up. In firmware restart,
388 * mac80211 will have the queues stopped as well until the
389 * reconfiguration completes. During normal startup, they
390 * will be empty.
391 */
392
393 memset(&mvm->queue_info, 0, sizeof(mvm->queue_info));
394 /*
395 * Set a 'fake' TID for the command queue, since we use the
396 * hweight() of the tid_bitmap as a refcount now. Not that
397 * we ever even consider the command queue as one we might
398 * want to reuse, but be safe nevertheless.
399 */
400 mvm->queue_info[IWL_MVM_DQA_CMD_QUEUE].tid_bitmap =
401 BIT(IWL_MAX_TID_COUNT + 2);
402
403 set_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status);
404 #ifdef CONFIG_IWLWIFI_DEBUGFS
405 iwl_fw_set_dbg_rec_on(&mvm->fwrt);
406 #endif
407
408 return 0;
409 }
410
iwl_run_unified_mvm_ucode(struct iwl_mvm * mvm,bool read_nvm)411 static int iwl_run_unified_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm)
412 {
413 struct iwl_notification_wait init_wait;
414 struct iwl_nvm_access_complete_cmd nvm_complete = {};
415 struct iwl_init_extended_cfg_cmd init_cfg = {
416 .init_flags = cpu_to_le32(BIT(IWL_INIT_NVM)),
417 };
418 static const u16 init_complete[] = {
419 INIT_COMPLETE_NOTIF,
420 };
421 int ret;
422
423 if (mvm->trans->cfg->tx_with_siso_diversity)
424 init_cfg.init_flags |= cpu_to_le32(BIT(IWL_INIT_PHY));
425
426 lockdep_assert_held(&mvm->mutex);
427
428 mvm->rfkill_safe_init_done = false;
429
430 iwl_init_notification_wait(&mvm->notif_wait,
431 &init_wait,
432 init_complete,
433 ARRAY_SIZE(init_complete),
434 iwl_wait_init_complete,
435 NULL);
436
437 iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_EARLY, NULL);
438
439 /* Will also start the device */
440 ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_REGULAR);
441 if (ret) {
442 IWL_ERR(mvm, "Failed to start RT ucode: %d\n", ret);
443 goto error;
444 }
445 iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_AFTER_ALIVE,
446 NULL);
447
448 /* Send init config command to mark that we are sending NVM access
449 * commands
450 */
451 ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(SYSTEM_GROUP,
452 INIT_EXTENDED_CFG_CMD),
453 CMD_SEND_IN_RFKILL,
454 sizeof(init_cfg), &init_cfg);
455 if (ret) {
456 IWL_ERR(mvm, "Failed to run init config command: %d\n",
457 ret);
458 goto error;
459 }
460
461 /* Load NVM to NIC if needed */
462 if (mvm->nvm_file_name) {
463 iwl_read_external_nvm(mvm->trans, mvm->nvm_file_name,
464 mvm->nvm_sections);
465 iwl_mvm_load_nvm_to_nic(mvm);
466 }
467
468 if (IWL_MVM_PARSE_NVM && read_nvm) {
469 ret = iwl_nvm_init(mvm);
470 if (ret) {
471 IWL_ERR(mvm, "Failed to read NVM: %d\n", ret);
472 goto error;
473 }
474 }
475
476 ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(REGULATORY_AND_NVM_GROUP,
477 NVM_ACCESS_COMPLETE),
478 CMD_SEND_IN_RFKILL,
479 sizeof(nvm_complete), &nvm_complete);
480 if (ret) {
481 IWL_ERR(mvm, "Failed to run complete NVM access: %d\n",
482 ret);
483 goto error;
484 }
485
486 /* We wait for the INIT complete notification */
487 ret = iwl_wait_notification(&mvm->notif_wait, &init_wait,
488 MVM_UCODE_ALIVE_TIMEOUT);
489 if (ret)
490 return ret;
491
492 /* Read the NVM only at driver load time, no need to do this twice */
493 if (!IWL_MVM_PARSE_NVM && read_nvm) {
494 mvm->nvm_data = iwl_get_nvm(mvm->trans, mvm->fw);
495 if (IS_ERR(mvm->nvm_data)) {
496 ret = PTR_ERR(mvm->nvm_data);
497 mvm->nvm_data = NULL;
498 IWL_ERR(mvm, "Failed to read NVM: %d\n", ret);
499 return ret;
500 }
501 }
502
503 mvm->rfkill_safe_init_done = true;
504
505 return 0;
506
507 error:
508 iwl_remove_notification(&mvm->notif_wait, &init_wait);
509 return ret;
510 }
511
iwl_send_phy_cfg_cmd(struct iwl_mvm * mvm)512 static int iwl_send_phy_cfg_cmd(struct iwl_mvm *mvm)
513 {
514 struct iwl_phy_cfg_cmd phy_cfg_cmd;
515 enum iwl_ucode_type ucode_type = mvm->fwrt.cur_fw_img;
516
517 /* Set parameters */
518 phy_cfg_cmd.phy_cfg = cpu_to_le32(iwl_mvm_get_phy_config(mvm));
519
520 /* set flags extra PHY configuration flags from the device's cfg */
521 phy_cfg_cmd.phy_cfg |= cpu_to_le32(mvm->cfg->extra_phy_cfg_flags);
522
523 phy_cfg_cmd.calib_control.event_trigger =
524 mvm->fw->default_calib[ucode_type].event_trigger;
525 phy_cfg_cmd.calib_control.flow_trigger =
526 mvm->fw->default_calib[ucode_type].flow_trigger;
527
528 IWL_DEBUG_INFO(mvm, "Sending Phy CFG command: 0x%x\n",
529 phy_cfg_cmd.phy_cfg);
530
531 return iwl_mvm_send_cmd_pdu(mvm, PHY_CONFIGURATION_CMD, 0,
532 sizeof(phy_cfg_cmd), &phy_cfg_cmd);
533 }
534
iwl_run_init_mvm_ucode(struct iwl_mvm * mvm,bool read_nvm)535 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm)
536 {
537 struct iwl_notification_wait calib_wait;
538 static const u16 init_complete[] = {
539 INIT_COMPLETE_NOTIF,
540 CALIB_RES_NOTIF_PHY_DB
541 };
542 int ret;
543
544 if (iwl_mvm_has_unified_ucode(mvm))
545 return iwl_run_unified_mvm_ucode(mvm, true);
546
547 lockdep_assert_held(&mvm->mutex);
548
549 mvm->rfkill_safe_init_done = false;
550
551 iwl_init_notification_wait(&mvm->notif_wait,
552 &calib_wait,
553 init_complete,
554 ARRAY_SIZE(init_complete),
555 iwl_wait_phy_db_entry,
556 mvm->phy_db);
557
558 /* Will also start the device */
559 ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_INIT);
560 if (ret) {
561 IWL_ERR(mvm, "Failed to start INIT ucode: %d\n", ret);
562 goto remove_notif;
563 }
564
565 if (mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_8000) {
566 ret = iwl_mvm_send_bt_init_conf(mvm);
567 if (ret)
568 goto remove_notif;
569 }
570
571 /* Read the NVM only at driver load time, no need to do this twice */
572 if (read_nvm) {
573 ret = iwl_nvm_init(mvm);
574 if (ret) {
575 IWL_ERR(mvm, "Failed to read NVM: %d\n", ret);
576 goto remove_notif;
577 }
578 }
579
580 /* In case we read the NVM from external file, load it to the NIC */
581 if (mvm->nvm_file_name)
582 iwl_mvm_load_nvm_to_nic(mvm);
583
584 WARN_ONCE(mvm->nvm_data->nvm_version < mvm->trans->cfg->nvm_ver,
585 "Too old NVM version (0x%0x, required = 0x%0x)",
586 mvm->nvm_data->nvm_version, mvm->trans->cfg->nvm_ver);
587
588 /*
589 * abort after reading the nvm in case RF Kill is on, we will complete
590 * the init seq later when RF kill will switch to off
591 */
592 if (iwl_mvm_is_radio_hw_killed(mvm)) {
593 IWL_DEBUG_RF_KILL(mvm,
594 "jump over all phy activities due to RF kill\n");
595 goto remove_notif;
596 }
597
598 mvm->rfkill_safe_init_done = true;
599
600 /* Send TX valid antennas before triggering calibrations */
601 ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm));
602 if (ret)
603 goto remove_notif;
604
605 ret = iwl_send_phy_cfg_cmd(mvm);
606 if (ret) {
607 IWL_ERR(mvm, "Failed to run INIT calibrations: %d\n",
608 ret);
609 goto remove_notif;
610 }
611
612 /*
613 * Some things may run in the background now, but we
614 * just wait for the calibration complete notification.
615 */
616 ret = iwl_wait_notification(&mvm->notif_wait, &calib_wait,
617 MVM_UCODE_CALIB_TIMEOUT);
618 if (!ret)
619 goto out;
620
621 if (iwl_mvm_is_radio_hw_killed(mvm)) {
622 IWL_DEBUG_RF_KILL(mvm, "RFKILL while calibrating.\n");
623 ret = 0;
624 } else {
625 IWL_ERR(mvm, "Failed to run INIT calibrations: %d\n",
626 ret);
627 }
628
629 goto out;
630
631 remove_notif:
632 iwl_remove_notification(&mvm->notif_wait, &calib_wait);
633 out:
634 mvm->rfkill_safe_init_done = false;
635 if (iwlmvm_mod_params.init_dbg && !mvm->nvm_data) {
636 /* we want to debug INIT and we have no NVM - fake */
637 mvm->nvm_data = kzalloc(sizeof(struct iwl_nvm_data) +
638 sizeof(struct ieee80211_channel) +
639 sizeof(struct ieee80211_rate),
640 GFP_KERNEL);
641 if (!mvm->nvm_data)
642 return -ENOMEM;
643 mvm->nvm_data->bands[0].channels = mvm->nvm_data->channels;
644 mvm->nvm_data->bands[0].n_channels = 1;
645 mvm->nvm_data->bands[0].n_bitrates = 1;
646 mvm->nvm_data->bands[0].bitrates =
647 (void *)mvm->nvm_data->channels + 1;
648 mvm->nvm_data->bands[0].bitrates->hw_value = 10;
649 }
650
651 return ret;
652 }
653
iwl_mvm_config_ltr(struct iwl_mvm * mvm)654 static int iwl_mvm_config_ltr(struct iwl_mvm *mvm)
655 {
656 struct iwl_ltr_config_cmd cmd = {
657 .flags = cpu_to_le32(LTR_CFG_FLAG_FEATURE_ENABLE),
658 };
659
660 if (!mvm->trans->ltr_enabled)
661 return 0;
662
663 return iwl_mvm_send_cmd_pdu(mvm, LTR_CONFIG, 0,
664 sizeof(cmd), &cmd);
665 }
666
667 #ifdef CONFIG_ACPI
iwl_mvm_sar_set_profile(struct iwl_mvm * mvm,union acpi_object * table,struct iwl_mvm_sar_profile * profile,bool enabled)668 static inline int iwl_mvm_sar_set_profile(struct iwl_mvm *mvm,
669 union acpi_object *table,
670 struct iwl_mvm_sar_profile *profile,
671 bool enabled)
672 {
673 int i;
674
675 profile->enabled = enabled;
676
677 for (i = 0; i < ACPI_SAR_TABLE_SIZE; i++) {
678 if ((table[i].type != ACPI_TYPE_INTEGER) ||
679 (table[i].integer.value > U8_MAX))
680 return -EINVAL;
681
682 profile->table[i] = table[i].integer.value;
683 }
684
685 return 0;
686 }
687
iwl_mvm_sar_get_wrds_table(struct iwl_mvm * mvm)688 static int iwl_mvm_sar_get_wrds_table(struct iwl_mvm *mvm)
689 {
690 union acpi_object *wifi_pkg, *table, *data;
691 bool enabled;
692 int ret, tbl_rev;
693
694 data = iwl_acpi_get_object(mvm->dev, ACPI_WRDS_METHOD);
695 if (IS_ERR(data))
696 return PTR_ERR(data);
697
698 wifi_pkg = iwl_acpi_get_wifi_pkg(mvm->dev, data,
699 ACPI_WRDS_WIFI_DATA_SIZE, &tbl_rev);
700 if (IS_ERR(wifi_pkg)) {
701 ret = PTR_ERR(wifi_pkg);
702 goto out_free;
703 }
704
705 if (wifi_pkg->package.elements[1].type != ACPI_TYPE_INTEGER ||
706 tbl_rev != 0) {
707 ret = -EINVAL;
708 goto out_free;
709 }
710
711 enabled = !!(wifi_pkg->package.elements[1].integer.value);
712
713 /* position of the actual table */
714 table = &wifi_pkg->package.elements[2];
715
716 /* The profile from WRDS is officially profile 1, but goes
717 * into sar_profiles[0] (because we don't have a profile 0).
718 */
719 ret = iwl_mvm_sar_set_profile(mvm, table, &mvm->sar_profiles[0],
720 enabled);
721 out_free:
722 kfree(data);
723 return ret;
724 }
725
iwl_mvm_sar_get_ewrd_table(struct iwl_mvm * mvm)726 static int iwl_mvm_sar_get_ewrd_table(struct iwl_mvm *mvm)
727 {
728 union acpi_object *wifi_pkg, *data;
729 bool enabled;
730 int i, n_profiles, ret, tbl_rev;
731
732 data = iwl_acpi_get_object(mvm->dev, ACPI_EWRD_METHOD);
733 if (IS_ERR(data))
734 return PTR_ERR(data);
735
736 wifi_pkg = iwl_acpi_get_wifi_pkg(mvm->dev, data,
737 ACPI_EWRD_WIFI_DATA_SIZE, &tbl_rev);
738 if (IS_ERR(wifi_pkg)) {
739 ret = PTR_ERR(wifi_pkg);
740 goto out_free;
741 }
742
743 if ((wifi_pkg->package.elements[1].type != ACPI_TYPE_INTEGER) ||
744 (wifi_pkg->package.elements[2].type != ACPI_TYPE_INTEGER) ||
745 tbl_rev != 0) {
746 ret = -EINVAL;
747 goto out_free;
748 }
749
750 enabled = !!(wifi_pkg->package.elements[1].integer.value);
751 n_profiles = wifi_pkg->package.elements[2].integer.value;
752
753 /*
754 * Check the validity of n_profiles. The EWRD profiles start
755 * from index 1, so the maximum value allowed here is
756 * ACPI_SAR_PROFILES_NUM - 1.
757 */
758 if (n_profiles <= 0 || n_profiles >= ACPI_SAR_PROFILE_NUM) {
759 ret = -EINVAL;
760 goto out_free;
761 }
762
763 for (i = 0; i < n_profiles; i++) {
764 /* the tables start at element 3 */
765 int pos = 3;
766
767 /* The EWRD profiles officially go from 2 to 4, but we
768 * save them in sar_profiles[1-3] (because we don't
769 * have profile 0). So in the array we start from 1.
770 */
771 ret = iwl_mvm_sar_set_profile(mvm,
772 &wifi_pkg->package.elements[pos],
773 &mvm->sar_profiles[i + 1],
774 enabled);
775 if (ret < 0)
776 break;
777
778 /* go to the next table */
779 pos += ACPI_SAR_TABLE_SIZE;
780 }
781
782 out_free:
783 kfree(data);
784 return ret;
785 }
786
iwl_mvm_sar_get_wgds_table(struct iwl_mvm * mvm)787 static int iwl_mvm_sar_get_wgds_table(struct iwl_mvm *mvm)
788 {
789 union acpi_object *wifi_pkg, *data;
790 int i, j, ret, tbl_rev;
791 int idx = 1;
792
793 data = iwl_acpi_get_object(mvm->dev, ACPI_WGDS_METHOD);
794 if (IS_ERR(data))
795 return PTR_ERR(data);
796
797 wifi_pkg = iwl_acpi_get_wifi_pkg(mvm->dev, data,
798 ACPI_WGDS_WIFI_DATA_SIZE, &tbl_rev);
799 if (IS_ERR(wifi_pkg)) {
800 ret = PTR_ERR(wifi_pkg);
801 goto out_free;
802 }
803
804 if (tbl_rev != 0) {
805 ret = -EINVAL;
806 goto out_free;
807 }
808
809 mvm->geo_rev = tbl_rev;
810 for (i = 0; i < ACPI_NUM_GEO_PROFILES; i++) {
811 for (j = 0; j < ACPI_GEO_TABLE_SIZE; j++) {
812 union acpi_object *entry;
813
814 entry = &wifi_pkg->package.elements[idx++];
815 if ((entry->type != ACPI_TYPE_INTEGER) ||
816 (entry->integer.value > U8_MAX)) {
817 ret = -EINVAL;
818 goto out_free;
819 }
820
821 mvm->geo_profiles[i].values[j] = entry->integer.value;
822 }
823 }
824 ret = 0;
825 out_free:
826 kfree(data);
827 return ret;
828 }
829
iwl_mvm_sar_select_profile(struct iwl_mvm * mvm,int prof_a,int prof_b)830 int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a, int prof_b)
831 {
832 union {
833 struct iwl_dev_tx_power_cmd v5;
834 struct iwl_dev_tx_power_cmd_v4 v4;
835 } cmd;
836 int i, j, idx;
837 int profs[ACPI_SAR_NUM_CHAIN_LIMITS] = { prof_a, prof_b };
838 int len;
839
840 BUILD_BUG_ON(ACPI_SAR_NUM_CHAIN_LIMITS < 2);
841 BUILD_BUG_ON(ACPI_SAR_NUM_CHAIN_LIMITS * ACPI_SAR_NUM_SUB_BANDS !=
842 ACPI_SAR_TABLE_SIZE);
843
844 cmd.v5.v3.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_CHAINS);
845
846 if (fw_has_api(&mvm->fw->ucode_capa,
847 IWL_UCODE_TLV_API_REDUCE_TX_POWER))
848 len = sizeof(cmd.v5);
849 else if (fw_has_capa(&mvm->fw->ucode_capa,
850 IWL_UCODE_TLV_CAPA_TX_POWER_ACK))
851 len = sizeof(cmd.v4);
852 else
853 len = sizeof(cmd.v4.v3);
854
855 for (i = 0; i < ACPI_SAR_NUM_CHAIN_LIMITS; i++) {
856 struct iwl_mvm_sar_profile *prof;
857
858 /* don't allow SAR to be disabled (profile 0 means disable) */
859 if (profs[i] == 0)
860 return -EPERM;
861
862 /* we are off by one, so allow up to ACPI_SAR_PROFILE_NUM */
863 if (profs[i] > ACPI_SAR_PROFILE_NUM)
864 return -EINVAL;
865
866 /* profiles go from 1 to 4, so decrement to access the array */
867 prof = &mvm->sar_profiles[profs[i] - 1];
868
869 /* if the profile is disabled, do nothing */
870 if (!prof->enabled) {
871 IWL_DEBUG_RADIO(mvm, "SAR profile %d is disabled.\n",
872 profs[i]);
873 /* if one of the profiles is disabled, we fail all */
874 return -ENOENT;
875 }
876
877 IWL_DEBUG_INFO(mvm,
878 "SAR EWRD: chain %d profile index %d\n",
879 i, profs[i]);
880 IWL_DEBUG_RADIO(mvm, " Chain[%d]:\n", i);
881 for (j = 0; j < ACPI_SAR_NUM_SUB_BANDS; j++) {
882 idx = (i * ACPI_SAR_NUM_SUB_BANDS) + j;
883 cmd.v5.v3.per_chain_restriction[i][j] =
884 cpu_to_le16(prof->table[idx]);
885 IWL_DEBUG_RADIO(mvm, " Band[%d] = %d * .125dBm\n",
886 j, prof->table[idx]);
887 }
888 }
889
890 IWL_DEBUG_RADIO(mvm, "Sending REDUCE_TX_POWER_CMD per chain\n");
891
892 return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0, len, &cmd);
893 }
894
iwl_mvm_sar_geo_support(struct iwl_mvm * mvm)895 static bool iwl_mvm_sar_geo_support(struct iwl_mvm *mvm)
896 {
897 /*
898 * The GEO_TX_POWER_LIMIT command is not supported on earlier
899 * firmware versions. Unfortunately, we don't have a TLV API
900 * flag to rely on, so rely on the major version which is in
901 * the first byte of ucode_ver. This was implemented
902 * initially on version 38 and then backported to 17. It was
903 * also backported to 29, but only for 7265D devices. The
904 * intention was to have it in 36 as well, but not all 8000
905 * family got this feature enabled. The 8000 family is the
906 * only one using version 36, so skip this version entirely.
907 */
908 return IWL_UCODE_SERIAL(mvm->fw->ucode_ver) >= 38 ||
909 IWL_UCODE_SERIAL(mvm->fw->ucode_ver) == 17 ||
910 (IWL_UCODE_SERIAL(mvm->fw->ucode_ver) == 29 &&
911 ((mvm->trans->hw_rev & CSR_HW_REV_TYPE_MSK) ==
912 CSR_HW_REV_TYPE_7265D));
913 }
914
iwl_mvm_get_sar_geo_profile(struct iwl_mvm * mvm)915 int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm)
916 {
917 struct iwl_geo_tx_power_profiles_resp *resp;
918 int ret;
919 u16 len;
920 void *data;
921 struct iwl_geo_tx_power_profiles_cmd geo_cmd;
922 struct iwl_geo_tx_power_profiles_cmd_v1 geo_cmd_v1;
923 struct iwl_host_cmd cmd;
924
925 if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_SAR_TABLE_VER)) {
926 geo_cmd.ops =
927 cpu_to_le32(IWL_PER_CHAIN_OFFSET_GET_CURRENT_TABLE);
928 len = sizeof(geo_cmd);
929 data = &geo_cmd;
930 } else {
931 geo_cmd_v1.ops =
932 cpu_to_le32(IWL_PER_CHAIN_OFFSET_GET_CURRENT_TABLE);
933 len = sizeof(geo_cmd_v1);
934 data = &geo_cmd_v1;
935 }
936
937 cmd = (struct iwl_host_cmd){
938 .id = WIDE_ID(PHY_OPS_GROUP, GEO_TX_POWER_LIMIT),
939 .len = { len, },
940 .flags = CMD_WANT_SKB,
941 .data = { data },
942 };
943
944 if (!iwl_mvm_sar_geo_support(mvm))
945 return -EOPNOTSUPP;
946
947 ret = iwl_mvm_send_cmd(mvm, &cmd);
948 if (ret) {
949 IWL_ERR(mvm, "Failed to get geographic profile info %d\n", ret);
950 return ret;
951 }
952
953 resp = (void *)cmd.resp_pkt->data;
954 ret = le32_to_cpu(resp->profile_idx);
955 if (WARN_ON(ret > ACPI_NUM_GEO_PROFILES)) {
956 ret = -EIO;
957 IWL_WARN(mvm, "Invalid geographic profile idx (%d)\n", ret);
958 }
959
960 iwl_free_resp(&cmd);
961 return ret;
962 }
963
iwl_mvm_sar_geo_init(struct iwl_mvm * mvm)964 static int iwl_mvm_sar_geo_init(struct iwl_mvm *mvm)
965 {
966 struct iwl_geo_tx_power_profiles_cmd cmd = {
967 .ops = cpu_to_le32(IWL_PER_CHAIN_OFFSET_SET_TABLES),
968 };
969 int ret, i, j;
970 u16 cmd_wide_id = WIDE_ID(PHY_OPS_GROUP, GEO_TX_POWER_LIMIT);
971
972 if (!iwl_mvm_sar_geo_support(mvm))
973 return 0;
974
975 ret = iwl_mvm_sar_get_wgds_table(mvm);
976 if (ret < 0) {
977 IWL_DEBUG_RADIO(mvm,
978 "Geo SAR BIOS table invalid or unavailable. (%d)\n",
979 ret);
980 /* we don't fail if the table is not available */
981 return 0;
982 }
983
984 IWL_DEBUG_RADIO(mvm, "Sending GEO_TX_POWER_LIMIT\n");
985
986 BUILD_BUG_ON(ACPI_NUM_GEO_PROFILES * ACPI_WGDS_NUM_BANDS *
987 ACPI_WGDS_TABLE_SIZE + 1 != ACPI_WGDS_WIFI_DATA_SIZE);
988
989 BUILD_BUG_ON(ACPI_NUM_GEO_PROFILES > IWL_NUM_GEO_PROFILES);
990
991 for (i = 0; i < ACPI_NUM_GEO_PROFILES; i++) {
992 struct iwl_per_chain_offset *chain =
993 (struct iwl_per_chain_offset *)&cmd.table[i];
994
995 for (j = 0; j < ACPI_WGDS_NUM_BANDS; j++) {
996 u8 *value;
997
998 value = &mvm->geo_profiles[i].values[j *
999 ACPI_GEO_PER_CHAIN_SIZE];
1000 chain[j].max_tx_power = cpu_to_le16(value[0]);
1001 chain[j].chain_a = value[1];
1002 chain[j].chain_b = value[2];
1003 IWL_DEBUG_RADIO(mvm,
1004 "SAR geographic profile[%d] Band[%d]: chain A = %d chain B = %d max_tx_power = %d\n",
1005 i, j, value[1], value[2], value[0]);
1006 }
1007 }
1008
1009 cmd.table_revision = cpu_to_le32(mvm->geo_rev);
1010
1011 if (!fw_has_api(&mvm->fw->ucode_capa,
1012 IWL_UCODE_TLV_API_SAR_TABLE_VER)) {
1013 return iwl_mvm_send_cmd_pdu(mvm, cmd_wide_id, 0,
1014 sizeof(struct iwl_geo_tx_power_profiles_cmd_v1),
1015 &cmd);
1016 }
1017
1018 return iwl_mvm_send_cmd_pdu(mvm, cmd_wide_id, 0, sizeof(cmd), &cmd);
1019 }
1020
iwl_mvm_get_ppag_table(struct iwl_mvm * mvm)1021 static int iwl_mvm_get_ppag_table(struct iwl_mvm *mvm)
1022 {
1023 union acpi_object *wifi_pkg, *data, *enabled;
1024 int i, j, ret, tbl_rev;
1025 int idx = 2;
1026
1027 mvm->ppag_table.enabled = cpu_to_le32(0);
1028 data = iwl_acpi_get_object(mvm->dev, ACPI_PPAG_METHOD);
1029 if (IS_ERR(data))
1030 return PTR_ERR(data);
1031
1032 wifi_pkg = iwl_acpi_get_wifi_pkg(mvm->dev, data,
1033 ACPI_PPAG_WIFI_DATA_SIZE, &tbl_rev);
1034
1035 if (IS_ERR(wifi_pkg)) {
1036 ret = PTR_ERR(wifi_pkg);
1037 goto out_free;
1038 }
1039
1040 if (tbl_rev != 0) {
1041 ret = -EINVAL;
1042 goto out_free;
1043 }
1044
1045 enabled = &wifi_pkg->package.elements[1];
1046 if (enabled->type != ACPI_TYPE_INTEGER ||
1047 (enabled->integer.value != 0 && enabled->integer.value != 1)) {
1048 ret = -EINVAL;
1049 goto out_free;
1050 }
1051
1052 mvm->ppag_table.enabled = cpu_to_le32(enabled->integer.value);
1053 if (!mvm->ppag_table.enabled) {
1054 ret = 0;
1055 goto out_free;
1056 }
1057
1058 /*
1059 * read, verify gain values and save them into the PPAG table.
1060 * first sub-band (j=0) corresponds to Low-Band (2.4GHz), and the
1061 * following sub-bands to High-Band (5GHz).
1062 */
1063 for (i = 0; i < ACPI_PPAG_NUM_CHAINS; i++) {
1064 for (j = 0; j < ACPI_PPAG_NUM_SUB_BANDS; j++) {
1065 union acpi_object *ent;
1066
1067 ent = &wifi_pkg->package.elements[idx++];
1068 if (ent->type != ACPI_TYPE_INTEGER ||
1069 (j == 0 && ent->integer.value > ACPI_PPAG_MAX_LB) ||
1070 (j == 0 && ent->integer.value < ACPI_PPAG_MIN_LB) ||
1071 (j != 0 && ent->integer.value > ACPI_PPAG_MAX_HB) ||
1072 (j != 0 && ent->integer.value < ACPI_PPAG_MIN_HB)) {
1073 mvm->ppag_table.enabled = cpu_to_le32(0);
1074 ret = -EINVAL;
1075 goto out_free;
1076 }
1077 mvm->ppag_table.gain[i][j] = ent->integer.value;
1078 }
1079 }
1080 ret = 0;
1081 out_free:
1082 kfree(data);
1083 return ret;
1084 }
1085
iwl_mvm_ppag_send_cmd(struct iwl_mvm * mvm)1086 int iwl_mvm_ppag_send_cmd(struct iwl_mvm *mvm)
1087 {
1088 int i, j, ret;
1089
1090 if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_SET_PPAG)) {
1091 IWL_DEBUG_RADIO(mvm,
1092 "PPAG capability not supported by FW, command not sent.\n");
1093 return 0;
1094 }
1095
1096 IWL_DEBUG_RADIO(mvm, "Sending PER_PLATFORM_ANT_GAIN_CMD\n");
1097 IWL_DEBUG_RADIO(mvm, "PPAG is %s\n",
1098 mvm->ppag_table.enabled ? "enabled" : "disabled");
1099
1100 for (i = 0; i < ACPI_PPAG_NUM_CHAINS; i++) {
1101 for (j = 0; j < ACPI_PPAG_NUM_SUB_BANDS; j++) {
1102 IWL_DEBUG_RADIO(mvm,
1103 "PPAG table: chain[%d] band[%d]: gain = %d\n",
1104 i, j, mvm->ppag_table.gain[i][j]);
1105 }
1106 }
1107
1108 ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(PHY_OPS_GROUP,
1109 PER_PLATFORM_ANT_GAIN_CMD),
1110 0, sizeof(mvm->ppag_table),
1111 &mvm->ppag_table);
1112 if (ret < 0)
1113 IWL_ERR(mvm, "failed to send PER_PLATFORM_ANT_GAIN_CMD (%d)\n",
1114 ret);
1115
1116 return ret;
1117 }
1118
iwl_mvm_ppag_init(struct iwl_mvm * mvm)1119 static int iwl_mvm_ppag_init(struct iwl_mvm *mvm)
1120 {
1121 int ret;
1122
1123 ret = iwl_mvm_get_ppag_table(mvm);
1124 if (ret < 0) {
1125 IWL_DEBUG_RADIO(mvm,
1126 "PPAG BIOS table invalid or unavailable. (%d)\n",
1127 ret);
1128 return 0;
1129 }
1130 return iwl_mvm_ppag_send_cmd(mvm);
1131 }
1132
1133 #else /* CONFIG_ACPI */
iwl_mvm_sar_get_wrds_table(struct iwl_mvm * mvm)1134 static int iwl_mvm_sar_get_wrds_table(struct iwl_mvm *mvm)
1135 {
1136 return -ENOENT;
1137 }
1138
iwl_mvm_sar_get_ewrd_table(struct iwl_mvm * mvm)1139 static int iwl_mvm_sar_get_ewrd_table(struct iwl_mvm *mvm)
1140 {
1141 return -ENOENT;
1142 }
1143
iwl_mvm_sar_get_wgds_table(struct iwl_mvm * mvm)1144 static int iwl_mvm_sar_get_wgds_table(struct iwl_mvm *mvm)
1145 {
1146 return -ENOENT;
1147 }
1148
iwl_mvm_sar_geo_init(struct iwl_mvm * mvm)1149 static int iwl_mvm_sar_geo_init(struct iwl_mvm *mvm)
1150 {
1151 return 0;
1152 }
1153
iwl_mvm_sar_select_profile(struct iwl_mvm * mvm,int prof_a,int prof_b)1154 int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a,
1155 int prof_b)
1156 {
1157 return -ENOENT;
1158 }
1159
iwl_mvm_get_sar_geo_profile(struct iwl_mvm * mvm)1160 int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm)
1161 {
1162 return -ENOENT;
1163 }
1164
iwl_mvm_ppag_send_cmd(struct iwl_mvm * mvm)1165 int iwl_mvm_ppag_send_cmd(struct iwl_mvm *mvm)
1166 {
1167 return -ENOENT;
1168 }
1169
iwl_mvm_ppag_init(struct iwl_mvm * mvm)1170 static int iwl_mvm_ppag_init(struct iwl_mvm *mvm)
1171 {
1172 return -ENOENT;
1173 }
1174 #endif /* CONFIG_ACPI */
1175
iwl_mvm_send_recovery_cmd(struct iwl_mvm * mvm,u32 flags)1176 void iwl_mvm_send_recovery_cmd(struct iwl_mvm *mvm, u32 flags)
1177 {
1178 u32 error_log_size = mvm->fw->ucode_capa.error_log_size;
1179 int ret;
1180 u32 resp;
1181
1182 struct iwl_fw_error_recovery_cmd recovery_cmd = {
1183 .flags = cpu_to_le32(flags),
1184 .buf_size = 0,
1185 };
1186 struct iwl_host_cmd host_cmd = {
1187 .id = WIDE_ID(SYSTEM_GROUP, FW_ERROR_RECOVERY_CMD),
1188 .flags = CMD_WANT_SKB,
1189 .data = {&recovery_cmd, },
1190 .len = {sizeof(recovery_cmd), },
1191 };
1192
1193 /* no error log was defined in TLV */
1194 if (!error_log_size)
1195 return;
1196
1197 if (flags & ERROR_RECOVERY_UPDATE_DB) {
1198 /* no buf was allocated while HW reset */
1199 if (!mvm->error_recovery_buf)
1200 return;
1201
1202 host_cmd.data[1] = mvm->error_recovery_buf;
1203 host_cmd.len[1] = error_log_size;
1204 host_cmd.dataflags[1] = IWL_HCMD_DFL_NOCOPY;
1205 recovery_cmd.buf_size = cpu_to_le32(error_log_size);
1206 }
1207
1208 ret = iwl_mvm_send_cmd(mvm, &host_cmd);
1209 kfree(mvm->error_recovery_buf);
1210 mvm->error_recovery_buf = NULL;
1211
1212 if (ret) {
1213 IWL_ERR(mvm, "Failed to send recovery cmd %d\n", ret);
1214 return;
1215 }
1216
1217 /* skb respond is only relevant in ERROR_RECOVERY_UPDATE_DB */
1218 if (flags & ERROR_RECOVERY_UPDATE_DB) {
1219 resp = le32_to_cpu(*(__le32 *)host_cmd.resp_pkt->data);
1220 if (resp)
1221 IWL_ERR(mvm,
1222 "Failed to send recovery cmd blob was invalid %d\n",
1223 resp);
1224 }
1225 }
1226
iwl_mvm_sar_init(struct iwl_mvm * mvm)1227 static int iwl_mvm_sar_init(struct iwl_mvm *mvm)
1228 {
1229 int ret;
1230
1231 ret = iwl_mvm_sar_get_wrds_table(mvm);
1232 if (ret < 0) {
1233 IWL_DEBUG_RADIO(mvm,
1234 "WRDS SAR BIOS table invalid or unavailable. (%d)\n",
1235 ret);
1236 /*
1237 * If not available, don't fail and don't bother with EWRD.
1238 * Return 1 to tell that we can't use WGDS either.
1239 */
1240 return 1;
1241 }
1242
1243 ret = iwl_mvm_sar_get_ewrd_table(mvm);
1244 /* if EWRD is not available, we can still use WRDS, so don't fail */
1245 if (ret < 0)
1246 IWL_DEBUG_RADIO(mvm,
1247 "EWRD SAR BIOS table invalid or unavailable. (%d)\n",
1248 ret);
1249
1250 /* choose profile 1 (WRDS) as default for both chains */
1251 ret = iwl_mvm_sar_select_profile(mvm, 1, 1);
1252
1253 /*
1254 * If we don't have profile 0 from BIOS, just skip it. This
1255 * means that SAR Geo will not be enabled either, even if we
1256 * have other valid profiles.
1257 */
1258 if (ret == -ENOENT)
1259 return 1;
1260
1261 return ret;
1262 }
1263
iwl_mvm_load_rt_fw(struct iwl_mvm * mvm)1264 static int iwl_mvm_load_rt_fw(struct iwl_mvm *mvm)
1265 {
1266 int ret;
1267
1268 if (iwl_mvm_has_unified_ucode(mvm))
1269 return iwl_run_unified_mvm_ucode(mvm, false);
1270
1271 ret = iwl_run_init_mvm_ucode(mvm, false);
1272
1273 if (ret) {
1274 IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", ret);
1275
1276 if (iwlmvm_mod_params.init_dbg)
1277 return 0;
1278 return ret;
1279 }
1280
1281 iwl_fw_dbg_stop_sync(&mvm->fwrt);
1282 iwl_trans_stop_device(mvm->trans);
1283 ret = iwl_trans_start_hw(mvm->trans);
1284 if (ret)
1285 return ret;
1286
1287 iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_EARLY, NULL);
1288
1289 mvm->rfkill_safe_init_done = false;
1290 ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_REGULAR);
1291 if (ret)
1292 return ret;
1293
1294 mvm->rfkill_safe_init_done = true;
1295
1296 iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_AFTER_ALIVE,
1297 NULL);
1298
1299 return iwl_init_paging(&mvm->fwrt, mvm->fwrt.cur_fw_img);
1300 }
1301
iwl_mvm_up(struct iwl_mvm * mvm)1302 int iwl_mvm_up(struct iwl_mvm *mvm)
1303 {
1304 int ret, i;
1305 struct ieee80211_channel *chan;
1306 struct cfg80211_chan_def chandef;
1307 struct ieee80211_supported_band *sband = NULL;
1308
1309 lockdep_assert_held(&mvm->mutex);
1310
1311 ret = iwl_trans_start_hw(mvm->trans);
1312 if (ret)
1313 return ret;
1314
1315 ret = iwl_mvm_load_rt_fw(mvm);
1316 if (ret) {
1317 IWL_ERR(mvm, "Failed to start RT ucode: %d\n", ret);
1318 if (ret != -ERFKILL)
1319 iwl_fw_dbg_error_collect(&mvm->fwrt,
1320 FW_DBG_TRIGGER_DRIVER);
1321 goto error;
1322 }
1323
1324 iwl_get_shared_mem_conf(&mvm->fwrt);
1325
1326 ret = iwl_mvm_sf_update(mvm, NULL, false);
1327 if (ret)
1328 IWL_ERR(mvm, "Failed to initialize Smart Fifo\n");
1329
1330 if (!iwl_trans_dbg_ini_valid(mvm->trans)) {
1331 mvm->fwrt.dump.conf = FW_DBG_INVALID;
1332 /* if we have a destination, assume EARLY START */
1333 if (mvm->fw->dbg.dest_tlv)
1334 mvm->fwrt.dump.conf = FW_DBG_START_FROM_ALIVE;
1335 iwl_fw_start_dbg_conf(&mvm->fwrt, FW_DBG_START_FROM_ALIVE);
1336 }
1337
1338 ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm));
1339 if (ret)
1340 goto error;
1341
1342 if (!iwl_mvm_has_unified_ucode(mvm)) {
1343 /* Send phy db control command and then phy db calibration */
1344 ret = iwl_send_phy_db_data(mvm->phy_db);
1345 if (ret)
1346 goto error;
1347
1348 ret = iwl_send_phy_cfg_cmd(mvm);
1349 if (ret)
1350 goto error;
1351 }
1352
1353 ret = iwl_mvm_send_bt_init_conf(mvm);
1354 if (ret)
1355 goto error;
1356
1357 /* Init RSS configuration */
1358 if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_22000) {
1359 ret = iwl_configure_rxq(mvm);
1360 if (ret) {
1361 IWL_ERR(mvm, "Failed to configure RX queues: %d\n",
1362 ret);
1363 goto error;
1364 }
1365 }
1366
1367 if (iwl_mvm_has_new_rx_api(mvm)) {
1368 ret = iwl_send_rss_cfg_cmd(mvm);
1369 if (ret) {
1370 IWL_ERR(mvm, "Failed to configure RSS queues: %d\n",
1371 ret);
1372 goto error;
1373 }
1374 }
1375
1376 /* init the fw <-> mac80211 STA mapping */
1377 for (i = 0; i < ARRAY_SIZE(mvm->fw_id_to_mac_id); i++)
1378 RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL);
1379
1380 mvm->tdls_cs.peer.sta_id = IWL_MVM_INVALID_STA;
1381
1382 /* reset quota debouncing buffer - 0xff will yield invalid data */
1383 memset(&mvm->last_quota_cmd, 0xff, sizeof(mvm->last_quota_cmd));
1384
1385 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_DQA_SUPPORT)) {
1386 ret = iwl_mvm_send_dqa_cmd(mvm);
1387 if (ret)
1388 goto error;
1389 }
1390
1391 /* Add auxiliary station for scanning */
1392 ret = iwl_mvm_add_aux_sta(mvm);
1393 if (ret)
1394 goto error;
1395
1396 /* Add all the PHY contexts */
1397 i = 0;
1398 while (!sband && i < NUM_NL80211_BANDS)
1399 sband = mvm->hw->wiphy->bands[i++];
1400
1401 if (WARN_ON_ONCE(!sband))
1402 goto error;
1403
1404 chan = &sband->channels[0];
1405
1406 cfg80211_chandef_create(&chandef, chan, NL80211_CHAN_NO_HT);
1407 for (i = 0; i < NUM_PHY_CTX; i++) {
1408 /*
1409 * The channel used here isn't relevant as it's
1410 * going to be overwritten in the other flows.
1411 * For now use the first channel we have.
1412 */
1413 ret = iwl_mvm_phy_ctxt_add(mvm, &mvm->phy_ctxts[i],
1414 &chandef, 1, 1);
1415 if (ret)
1416 goto error;
1417 }
1418
1419 if (iwl_mvm_is_tt_in_fw(mvm)) {
1420 /* in order to give the responsibility of ct-kill and
1421 * TX backoff to FW we need to send empty temperature reporting
1422 * cmd during init time
1423 */
1424 iwl_mvm_send_temp_report_ths_cmd(mvm);
1425 } else {
1426 /* Initialize tx backoffs to the minimal possible */
1427 iwl_mvm_tt_tx_backoff(mvm, 0);
1428 }
1429
1430 #ifdef CONFIG_THERMAL
1431 /* TODO: read the budget from BIOS / Platform NVM */
1432
1433 /*
1434 * In case there is no budget from BIOS / Platform NVM the default
1435 * budget should be 2000mW (cooling state 0).
1436 */
1437 if (iwl_mvm_is_ctdp_supported(mvm)) {
1438 ret = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_START,
1439 mvm->cooling_dev.cur_state);
1440 if (ret)
1441 goto error;
1442 }
1443 #endif
1444
1445 if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_SET_LTR_GEN2))
1446 WARN_ON(iwl_mvm_config_ltr(mvm));
1447
1448 ret = iwl_mvm_power_update_device(mvm);
1449 if (ret)
1450 goto error;
1451
1452 /*
1453 * RTNL is not taken during Ct-kill, but we don't need to scan/Tx
1454 * anyway, so don't init MCC.
1455 */
1456 if (!test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status)) {
1457 ret = iwl_mvm_init_mcc(mvm);
1458 if (ret)
1459 goto error;
1460 }
1461
1462 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) {
1463 mvm->scan_type = IWL_SCAN_TYPE_NOT_SET;
1464 mvm->hb_scan_type = IWL_SCAN_TYPE_NOT_SET;
1465 ret = iwl_mvm_config_scan(mvm);
1466 if (ret)
1467 goto error;
1468 }
1469
1470 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
1471 iwl_mvm_send_recovery_cmd(mvm, ERROR_RECOVERY_UPDATE_DB);
1472
1473 if (iwl_acpi_get_eckv(mvm->dev, &mvm->ext_clock_valid))
1474 IWL_DEBUG_INFO(mvm, "ECKV table doesn't exist in BIOS\n");
1475
1476 ret = iwl_mvm_ppag_init(mvm);
1477 if (ret)
1478 goto error;
1479
1480 ret = iwl_mvm_sar_init(mvm);
1481 if (ret == 0) {
1482 ret = iwl_mvm_sar_geo_init(mvm);
1483 } else if (ret > 0 && !iwl_mvm_sar_get_wgds_table(mvm)) {
1484 /*
1485 * If basic SAR is not available, we check for WGDS,
1486 * which should *not* be available either. If it is
1487 * available, issue an error, because we can't use SAR
1488 * Geo without basic SAR.
1489 */
1490 IWL_ERR(mvm, "BIOS contains WGDS but no WRDS\n");
1491 }
1492
1493 if (ret < 0)
1494 goto error;
1495
1496 iwl_mvm_leds_sync(mvm);
1497
1498 IWL_DEBUG_INFO(mvm, "RT uCode started.\n");
1499 return 0;
1500 error:
1501 if (!iwlmvm_mod_params.init_dbg || !ret)
1502 iwl_mvm_stop_device(mvm);
1503 return ret;
1504 }
1505
iwl_mvm_load_d3_fw(struct iwl_mvm * mvm)1506 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm)
1507 {
1508 int ret, i;
1509
1510 lockdep_assert_held(&mvm->mutex);
1511
1512 ret = iwl_trans_start_hw(mvm->trans);
1513 if (ret)
1514 return ret;
1515
1516 ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_WOWLAN);
1517 if (ret) {
1518 IWL_ERR(mvm, "Failed to start WoWLAN firmware: %d\n", ret);
1519 goto error;
1520 }
1521
1522 ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm));
1523 if (ret)
1524 goto error;
1525
1526 /* Send phy db control command and then phy db calibration*/
1527 ret = iwl_send_phy_db_data(mvm->phy_db);
1528 if (ret)
1529 goto error;
1530
1531 ret = iwl_send_phy_cfg_cmd(mvm);
1532 if (ret)
1533 goto error;
1534
1535 /* init the fw <-> mac80211 STA mapping */
1536 for (i = 0; i < ARRAY_SIZE(mvm->fw_id_to_mac_id); i++)
1537 RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL);
1538
1539 /* Add auxiliary station for scanning */
1540 ret = iwl_mvm_add_aux_sta(mvm);
1541 if (ret)
1542 goto error;
1543
1544 return 0;
1545 error:
1546 iwl_mvm_stop_device(mvm);
1547 return ret;
1548 }
1549
iwl_mvm_rx_card_state_notif(struct iwl_mvm * mvm,struct iwl_rx_cmd_buffer * rxb)1550 void iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
1551 struct iwl_rx_cmd_buffer *rxb)
1552 {
1553 struct iwl_rx_packet *pkt = rxb_addr(rxb);
1554 struct iwl_card_state_notif *card_state_notif = (void *)pkt->data;
1555 u32 flags = le32_to_cpu(card_state_notif->flags);
1556
1557 IWL_DEBUG_RF_KILL(mvm, "Card state received: HW:%s SW:%s CT:%s\n",
1558 (flags & HW_CARD_DISABLED) ? "Kill" : "On",
1559 (flags & SW_CARD_DISABLED) ? "Kill" : "On",
1560 (flags & CT_KILL_CARD_DISABLED) ?
1561 "Reached" : "Not reached");
1562 }
1563
iwl_mvm_rx_mfuart_notif(struct iwl_mvm * mvm,struct iwl_rx_cmd_buffer * rxb)1564 void iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm,
1565 struct iwl_rx_cmd_buffer *rxb)
1566 {
1567 struct iwl_rx_packet *pkt = rxb_addr(rxb);
1568 struct iwl_mfuart_load_notif *mfuart_notif = (void *)pkt->data;
1569
1570 IWL_DEBUG_INFO(mvm,
1571 "MFUART: installed ver: 0x%08x, external ver: 0x%08x, status: 0x%08x, duration: 0x%08x\n",
1572 le32_to_cpu(mfuart_notif->installed_ver),
1573 le32_to_cpu(mfuart_notif->external_ver),
1574 le32_to_cpu(mfuart_notif->status),
1575 le32_to_cpu(mfuart_notif->duration));
1576
1577 if (iwl_rx_packet_payload_len(pkt) == sizeof(*mfuart_notif))
1578 IWL_DEBUG_INFO(mvm,
1579 "MFUART: image size: 0x%08x\n",
1580 le32_to_cpu(mfuart_notif->image_size));
1581 }
1582
