1 /******************************************************************************
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.
8 * Copyright(c) 2013 - 2014 Intel Corporation. All rights reserved.
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of version 2 of the GNU General Public License as
12 * published by the Free Software Foundation.
14 * This program is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
24 * The full GNU General Public License is included in this distribution
25 * in the file called COPYING.
27 * Contact Information:
28 * Intel Linux Wireless <ilw@linux.intel.com>
29 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
33 * Copyright(c) 2013 - 2014 Intel Corporation. All rights reserved.
34 * All rights reserved.
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
40 * * Redistributions of source code must retain the above copyright
41 * notice, this list of conditions and the following disclaimer.
42 * * Redistributions in binary form must reproduce the above copyright
43 * notice, this list of conditions and the following disclaimer in
44 * the documentation and/or other materials provided with the
46 * * Neither the name Intel Corporation nor the names of its
47 * contributors may be used to endorse or promote products derived
48 * from this software without specific prior written permission.
50 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
51 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
52 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
53 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
54 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
55 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
56 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
57 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
58 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
59 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
60 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
62 *****************************************************************************/
64 #include <linux/ieee80211.h>
65 #include <linux/etherdevice.h>
66 #include <net/mac80211.h>
68 #include "fw-api-coex.h"
69 #include "iwl-modparams.h"
71 #include "iwl-debug.h"
73 #define BT_ANTENNA_COUPLING_THRESHOLD (30)
75 const u32 iwl_bt_ctl_kill_msk[BT_KILL_MSK_MAX] = {
76 [BT_KILL_MSK_DEFAULT] = 0xfffffc00,
77 [BT_KILL_MSK_NEVER] = 0xffffffff,
78 [BT_KILL_MSK_ALWAYS] = 0,
81 const u8 iwl_bt_cts_kill_msk[BT_MAX_AG][BT_COEX_MAX_LUT] = {
104 const u8 iwl_bt_ack_kill_msk[BT_MAX_AG][BT_COEX_MAX_LUT] = {
127 static const __le32 iwl_bt_prio_boost[BT_COEX_BOOST_SIZE] = {
128 cpu_to_le32(0xf0f0f0f0), /* 50% */
129 cpu_to_le32(0xc0c0c0c0), /* 25% */
130 cpu_to_le32(0xfcfcfcfc), /* 75% */
131 cpu_to_le32(0xfefefefe), /* 87.5% */
134 static const __le32 iwl_single_shared_ant[BT_COEX_MAX_LUT][BT_COEX_LUT_SIZE] = {
136 cpu_to_le32(0x40000000),
137 cpu_to_le32(0x00000000),
138 cpu_to_le32(0x44000000),
139 cpu_to_le32(0x00000000),
140 cpu_to_le32(0x40000000),
141 cpu_to_le32(0x00000000),
142 cpu_to_le32(0x44000000),
143 cpu_to_le32(0x00000000),
144 cpu_to_le32(0xc0004000),
145 cpu_to_le32(0xf0005000),
146 cpu_to_le32(0xc0004000),
147 cpu_to_le32(0xf0005000),
150 cpu_to_le32(0x40000000),
151 cpu_to_le32(0x00000000),
152 cpu_to_le32(0x44000000),
153 cpu_to_le32(0x00000000),
154 cpu_to_le32(0x40000000),
155 cpu_to_le32(0x00000000),
156 cpu_to_le32(0x44000000),
157 cpu_to_le32(0x00000000),
158 cpu_to_le32(0xc0004000),
159 cpu_to_le32(0xf0005000),
160 cpu_to_le32(0xc0004000),
161 cpu_to_le32(0xf0005000),
164 cpu_to_le32(0x40000000),
165 cpu_to_le32(0x00000000),
166 cpu_to_le32(0x44000000),
167 cpu_to_le32(0x00000000),
168 cpu_to_le32(0x40000000),
169 cpu_to_le32(0x00000000),
170 cpu_to_le32(0x44000000),
171 cpu_to_le32(0x00000000),
172 cpu_to_le32(0xc0004000),
173 cpu_to_le32(0xf0005000),
174 cpu_to_le32(0xc0004000),
175 cpu_to_le32(0xf0005000),
179 static const __le32 iwl_combined_lookup[BT_COEX_MAX_LUT][BT_COEX_LUT_SIZE] = {
182 cpu_to_le32(0xaaaaaaaa),
183 cpu_to_le32(0xaaaaaaaa),
184 cpu_to_le32(0xaeaaaaaa),
185 cpu_to_le32(0xaaaaaaaa),
186 cpu_to_le32(0xcc00ff28),
187 cpu_to_le32(0x0000aaaa),
188 cpu_to_le32(0xcc00aaaa),
189 cpu_to_le32(0x0000aaaa),
190 cpu_to_le32(0xc0004000),
191 cpu_to_le32(0x00004000),
192 cpu_to_le32(0xf0005000),
193 cpu_to_le32(0xf0005000),
197 cpu_to_le32(0xaaaaaaaa),
198 cpu_to_le32(0xaaaaaaaa),
199 cpu_to_le32(0xaaaaaaaa),
200 cpu_to_le32(0xaaaaaaaa),
201 cpu_to_le32(0xcc00ff28),
202 cpu_to_le32(0x0000aaaa),
203 cpu_to_le32(0xcc00aaaa),
204 cpu_to_le32(0x0000aaaa),
205 cpu_to_le32(0x00000000),
206 cpu_to_le32(0x00000000),
207 cpu_to_le32(0xf0005000),
208 cpu_to_le32(0xf0005000),
212 cpu_to_le32(0xaaaaaaaa),
213 cpu_to_le32(0xaaaaaaaa),
214 cpu_to_le32(0xeeaaaaaa),
215 cpu_to_le32(0xaaaaaaaa),
216 cpu_to_le32(0xcc00ff28),
217 cpu_to_le32(0x0000aaaa),
218 cpu_to_le32(0xcc00aaaa),
219 cpu_to_le32(0x0000aaaa),
220 cpu_to_le32(0xc0004000),
221 cpu_to_le32(0xc0004000),
222 cpu_to_le32(0xf0005000),
223 cpu_to_le32(0xf0005000),
227 /* 20MHz / 40MHz below / 40Mhz above*/
228 static const __le64 iwl_ci_mask[][3] = {
229 /* dummy entry for channel 0 */
230 {cpu_to_le64(0), cpu_to_le64(0), cpu_to_le64(0)},
232 cpu_to_le64(0x0000001FFFULL),
234 cpu_to_le64(0x00007FFFFFULL),
237 cpu_to_le64(0x000000FFFFULL),
239 cpu_to_le64(0x0003FFFFFFULL),
242 cpu_to_le64(0x000003FFFCULL),
244 cpu_to_le64(0x000FFFFFFCULL),
247 cpu_to_le64(0x00001FFFE0ULL),
249 cpu_to_le64(0x007FFFFFE0ULL),
252 cpu_to_le64(0x00007FFF80ULL),
253 cpu_to_le64(0x00007FFFFFULL),
254 cpu_to_le64(0x01FFFFFF80ULL),
257 cpu_to_le64(0x0003FFFC00ULL),
258 cpu_to_le64(0x0003FFFFFFULL),
259 cpu_to_le64(0x0FFFFFFC00ULL),
262 cpu_to_le64(0x000FFFF000ULL),
263 cpu_to_le64(0x000FFFFFFCULL),
264 cpu_to_le64(0x3FFFFFF000ULL),
267 cpu_to_le64(0x007FFF8000ULL),
268 cpu_to_le64(0x007FFFFFE0ULL),
269 cpu_to_le64(0xFFFFFF8000ULL),
272 cpu_to_le64(0x01FFFE0000ULL),
273 cpu_to_le64(0x01FFFFFF80ULL),
274 cpu_to_le64(0xFFFFFE0000ULL),
277 cpu_to_le64(0x0FFFF00000ULL),
278 cpu_to_le64(0x0FFFFFFC00ULL),
282 cpu_to_le64(0x3FFFC00000ULL),
283 cpu_to_le64(0x3FFFFFF000ULL),
287 cpu_to_le64(0xFFFE000000ULL),
288 cpu_to_le64(0xFFFFFF8000ULL),
292 cpu_to_le64(0xFFF8000000ULL),
293 cpu_to_le64(0xFFFFFE0000ULL),
297 cpu_to_le64(0xFFC0000000ULL),
303 static const __le32 iwl_bt_mprio_lut[BT_COEX_MULTI_PRIO_LUT_SIZE] = {
304 cpu_to_le32(0x28412201),
305 cpu_to_le32(0x11118451),
308 struct corunning_block_luts {
310 __le32 lut20[BT_COEX_CORUN_LUT_SIZE];
314 * Ranges for the antenna coupling calibration / co-running block LUT:
325 static const struct corunning_block_luts antenna_coupling_ranges[] = {
329 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
330 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
331 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
332 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
333 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
334 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
335 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
336 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
337 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
338 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
339 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
340 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
341 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
342 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
343 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
344 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
350 cpu_to_le32(0x00000001), cpu_to_le32(0x00000000),
351 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
352 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
353 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
354 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
355 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
356 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
357 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
358 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
359 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
360 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
361 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
362 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
363 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
364 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
365 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
371 cpu_to_le32(0x00000002), cpu_to_le32(0x00000000),
372 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
373 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
374 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
375 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
376 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
377 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
378 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
379 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
380 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
381 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
382 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
383 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
384 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
385 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
386 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
392 cpu_to_le32(0x00000003), cpu_to_le32(0x00000000),
393 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
394 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
395 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
396 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
397 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
398 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
399 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
400 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
401 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
402 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
403 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
404 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
405 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
406 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
407 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
413 cpu_to_le32(0x00000004), cpu_to_le32(0x00000000),
414 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
415 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
416 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
417 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
418 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
419 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
420 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
421 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
422 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
423 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
424 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
425 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
426 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
427 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
428 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
434 cpu_to_le32(0x00000005), cpu_to_le32(0x00000000),
435 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
436 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
437 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
438 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
439 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
440 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
441 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
442 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
443 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
444 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
445 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
446 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
447 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
448 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
449 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
455 cpu_to_le32(0x00000006), cpu_to_le32(0x00000000),
456 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
457 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
458 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
459 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
460 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
461 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
462 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
463 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
464 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
465 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
466 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
467 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
468 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
469 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
470 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
476 cpu_to_le32(0x00000007), cpu_to_le32(0x00000000),
477 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
478 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
479 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
480 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
481 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
482 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
483 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
484 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
485 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
486 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
487 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
488 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
489 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
490 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
491 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
497 cpu_to_le32(0x00000008), cpu_to_le32(0x00000000),
498 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
499 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
500 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
501 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
502 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
503 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
504 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
505 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
506 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
507 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
508 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
509 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
510 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
511 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
512 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
517 static enum iwl_bt_coex_lut_type
518 iwl_get_coex_type(struct iwl_mvm *mvm, const struct ieee80211_vif *vif)
520 struct ieee80211_chanctx_conf *chanctx_conf;
521 enum iwl_bt_coex_lut_type ret;
523 u32 primary_ch_phy_id, secondary_ch_phy_id;
526 * Checking that we hold mvm->mutex is a good idea, but the rate
527 * control can't acquire the mutex since it runs in Tx path.
528 * So this is racy in that case, but in the worst case, the AMPDU
529 * size limit will be wrong for a short time which is not a big
535 chanctx_conf = rcu_dereference(vif->chanctx_conf);
538 chanctx_conf->def.chan->band != IEEE80211_BAND_2GHZ) {
540 return BT_COEX_INVALID_LUT;
543 ret = BT_COEX_TX_DIS_LUT;
545 if (mvm->cfg->bt_shared_single_ant) {
550 phy_ctx_id = *((u16 *)chanctx_conf->drv_priv);
551 primary_ch_phy_id = le32_to_cpu(mvm->last_bt_ci_cmd.primary_ch_phy_id);
552 secondary_ch_phy_id =
553 le32_to_cpu(mvm->last_bt_ci_cmd.secondary_ch_phy_id);
555 if (primary_ch_phy_id == phy_ctx_id)
556 ret = le32_to_cpu(mvm->last_bt_notif.primary_ch_lut);
557 else if (secondary_ch_phy_id == phy_ctx_id)
558 ret = le32_to_cpu(mvm->last_bt_notif.secondary_ch_lut);
559 /* else - default = TX TX disallowed */
566 int iwl_send_bt_init_conf(struct iwl_mvm *mvm)
568 struct iwl_bt_coex_cmd *bt_cmd;
569 struct iwl_host_cmd cmd = {
571 .len = { sizeof(*bt_cmd), },
572 .dataflags = { IWL_HCMD_DFL_NOCOPY, },
577 if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT))
578 return iwl_send_bt_init_conf_old(mvm);
580 bt_cmd = kzalloc(sizeof(*bt_cmd), GFP_KERNEL);
583 cmd.data[0] = bt_cmd;
585 lockdep_assert_held(&mvm->mutex);
587 if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS)) {
590 switch (mvm->bt_force_ant_mode) {
591 case BT_FORCE_ANT_BT:
594 case BT_FORCE_ANT_WIFI:
602 bt_cmd->mode = cpu_to_le32(mode);
606 bt_cmd->max_kill = cpu_to_le32(5);
607 bt_cmd->bt4_antenna_isolation_thr =
608 cpu_to_le32(BT_ANTENNA_COUPLING_THRESHOLD);
609 bt_cmd->bt4_tx_tx_delta_freq_thr = cpu_to_le32(15);
610 bt_cmd->bt4_tx_rx_max_freq0 = cpu_to_le32(15);
611 bt_cmd->override_primary_lut = cpu_to_le32(BT_COEX_INVALID_LUT);
612 bt_cmd->override_secondary_lut = cpu_to_le32(BT_COEX_INVALID_LUT);
614 mode = iwlwifi_mod_params.bt_coex_active ? BT_COEX_NW : BT_COEX_DISABLE;
615 bt_cmd->mode = cpu_to_le32(mode);
617 if (IWL_MVM_BT_COEX_SYNC2SCO)
618 bt_cmd->enabled_modules |=
619 cpu_to_le32(BT_COEX_SYNC2SCO_ENABLED);
621 if (IWL_MVM_BT_COEX_CORUNNING)
622 bt_cmd->enabled_modules |= cpu_to_le32(BT_COEX_CORUN_ENABLED);
624 if (IWL_MVM_BT_COEX_MPLUT) {
625 bt_cmd->enabled_modules |= cpu_to_le32(BT_COEX_MPLUT_ENABLED);
626 bt_cmd->enabled_modules |=
627 cpu_to_le32(BT_COEX_MPLUT_BOOST_ENABLED);
630 bt_cmd->enabled_modules |= cpu_to_le32(BT_COEX_HIGH_BAND_RET);
632 if (mvm->cfg->bt_shared_single_ant)
633 memcpy(&bt_cmd->decision_lut, iwl_single_shared_ant,
634 sizeof(iwl_single_shared_ant));
636 memcpy(&bt_cmd->decision_lut, iwl_combined_lookup,
637 sizeof(iwl_combined_lookup));
639 memcpy(&bt_cmd->mplut_prio_boost, iwl_bt_prio_boost,
640 sizeof(iwl_bt_prio_boost));
641 memcpy(&bt_cmd->multiprio_lut, iwl_bt_mprio_lut,
642 sizeof(iwl_bt_mprio_lut));
645 memset(&mvm->last_bt_notif, 0, sizeof(mvm->last_bt_notif));
646 memset(&mvm->last_bt_ci_cmd, 0, sizeof(mvm->last_bt_ci_cmd));
648 ret = iwl_mvm_send_cmd(mvm, &cmd);
654 static int iwl_mvm_bt_udpate_sw_boost(struct iwl_mvm *mvm)
656 struct iwl_bt_coex_profile_notif *notif = &mvm->last_bt_notif;
657 u32 primary_lut = le32_to_cpu(notif->primary_ch_lut);
658 u32 secondary_lut = le32_to_cpu(notif->secondary_ch_lut);
659 u32 ag = le32_to_cpu(notif->bt_activity_grading);
660 struct iwl_bt_coex_sw_boost_update_cmd cmd = {};
661 u8 ack_kill_msk[NUM_PHY_CTX] = {};
662 u8 cts_kill_msk[NUM_PHY_CTX] = {};
665 lockdep_assert_held(&mvm->mutex);
667 ack_kill_msk[0] = iwl_bt_ack_kill_msk[ag][primary_lut];
668 cts_kill_msk[0] = iwl_bt_cts_kill_msk[ag][primary_lut];
670 ack_kill_msk[1] = iwl_bt_ack_kill_msk[ag][secondary_lut];
671 cts_kill_msk[1] = iwl_bt_cts_kill_msk[ag][secondary_lut];
673 /* Don't send HCMD if there is no update */
674 if (!memcmp(ack_kill_msk, mvm->bt_ack_kill_msk, sizeof(ack_kill_msk)) ||
675 !memcmp(cts_kill_msk, mvm->bt_cts_kill_msk, sizeof(cts_kill_msk)))
678 memcpy(mvm->bt_ack_kill_msk, ack_kill_msk,
679 sizeof(mvm->bt_ack_kill_msk));
680 memcpy(mvm->bt_cts_kill_msk, cts_kill_msk,
681 sizeof(mvm->bt_cts_kill_msk));
683 BUILD_BUG_ON(ARRAY_SIZE(ack_kill_msk) < ARRAY_SIZE(cmd.boost_values));
685 for (i = 0; i < ARRAY_SIZE(cmd.boost_values); i++) {
686 cmd.boost_values[i].kill_ack_msk =
687 cpu_to_le32(iwl_bt_ctl_kill_msk[ack_kill_msk[i]]);
688 cmd.boost_values[i].kill_cts_msk =
689 cpu_to_le32(iwl_bt_ctl_kill_msk[cts_kill_msk[i]]);
692 return iwl_mvm_send_cmd_pdu(mvm, BT_COEX_UPDATE_SW_BOOST, 0,
696 static int iwl_mvm_bt_coex_reduced_txp(struct iwl_mvm *mvm, u8 sta_id,
699 struct iwl_bt_coex_reduced_txp_update_cmd cmd = {};
700 struct iwl_mvm_sta *mvmsta;
704 mvmsta = iwl_mvm_sta_from_staid_protected(mvm, sta_id);
709 if (mvmsta->bt_reduced_txpower == enable)
712 value = mvmsta->sta_id;
715 value |= BT_REDUCED_TX_POWER_BIT;
717 IWL_DEBUG_COEX(mvm, "%sable reduced Tx Power for sta %d\n",
718 enable ? "en" : "dis", sta_id);
720 cmd.reduced_txp = cpu_to_le32(value);
721 mvmsta->bt_reduced_txpower = enable;
723 ret = iwl_mvm_send_cmd_pdu(mvm, BT_COEX_UPDATE_REDUCED_TXP, CMD_ASYNC,
729 struct iwl_bt_iterator_data {
730 struct iwl_bt_coex_profile_notif *notif;
732 struct ieee80211_chanctx_conf *primary;
733 struct ieee80211_chanctx_conf *secondary;
738 void iwl_mvm_bt_coex_enable_rssi_event(struct iwl_mvm *mvm,
739 struct ieee80211_vif *vif,
740 bool enable, int rssi)
742 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
744 mvmvif->bf_data.last_bt_coex_event = rssi;
745 mvmvif->bf_data.bt_coex_max_thold =
746 enable ? -IWL_MVM_BT_COEX_EN_RED_TXP_THRESH : 0;
747 mvmvif->bf_data.bt_coex_min_thold =
748 enable ? -IWL_MVM_BT_COEX_DIS_RED_TXP_THRESH : 0;
751 /* must be called under rcu_read_lock */
752 static void iwl_mvm_bt_notif_iterator(void *_data, u8 *mac,
753 struct ieee80211_vif *vif)
755 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
756 struct iwl_bt_iterator_data *data = _data;
757 struct iwl_mvm *mvm = data->mvm;
758 struct ieee80211_chanctx_conf *chanctx_conf;
759 enum ieee80211_smps_mode smps_mode;
760 u32 bt_activity_grading;
763 lockdep_assert_held(&mvm->mutex);
766 case NL80211_IFTYPE_STATION:
767 /* default smps_mode for BSS / P2P client is AUTOMATIC */
768 smps_mode = IEEE80211_SMPS_AUTOMATIC;
770 case NL80211_IFTYPE_AP:
771 if (!mvmvif->ap_ibss_active)
778 chanctx_conf = rcu_dereference(vif->chanctx_conf);
780 /* If channel context is invalid or not on 2.4GHz .. */
781 if ((!chanctx_conf ||
782 chanctx_conf->def.chan->band != IEEE80211_BAND_2GHZ)) {
783 if (vif->type == NL80211_IFTYPE_STATION) {
784 /* ... relax constraints and disable rssi events */
785 iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_BT_COEX,
787 iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id,
789 iwl_mvm_bt_coex_enable_rssi_event(mvm, vif, false, 0);
794 bt_activity_grading = le32_to_cpu(data->notif->bt_activity_grading);
795 if (bt_activity_grading >= BT_HIGH_TRAFFIC)
796 smps_mode = IEEE80211_SMPS_STATIC;
797 else if (bt_activity_grading >= BT_LOW_TRAFFIC)
798 smps_mode = IEEE80211_SMPS_DYNAMIC;
800 /* relax SMPS contraints for next association */
801 if (!vif->bss_conf.assoc)
802 smps_mode = IEEE80211_SMPS_AUTOMATIC;
804 if (IWL_COEX_IS_RRC_ON(mvm->last_bt_notif.ttc_rrc_status,
805 mvmvif->phy_ctxt->id))
806 smps_mode = IEEE80211_SMPS_AUTOMATIC;
808 IWL_DEBUG_COEX(data->mvm,
809 "mac %d: bt_activity_grading %d smps_req %d\n",
810 mvmvif->id, bt_activity_grading, smps_mode);
812 if (vif->type == NL80211_IFTYPE_STATION)
813 iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_BT_COEX,
816 /* low latency is always primary */
817 if (iwl_mvm_vif_low_latency(mvmvif)) {
818 data->primary_ll = true;
820 data->secondary = data->primary;
821 data->primary = chanctx_conf;
824 if (vif->type == NL80211_IFTYPE_AP) {
825 if (!mvmvif->ap_ibss_active)
828 if (chanctx_conf == data->primary)
831 if (!data->primary_ll) {
833 * downgrade the current primary no matter what its
836 data->secondary = data->primary;
837 data->primary = chanctx_conf;
839 /* there is low latency vif - we will be secondary */
840 data->secondary = chanctx_conf;
846 * STA / P2P Client, try to be primary if first vif. If we are in low
847 * latency mode, we are already in primary and just don't do much
849 if (!data->primary || data->primary == chanctx_conf)
850 data->primary = chanctx_conf;
851 else if (!data->secondary)
852 /* if secondary is not NULL, it might be a GO */
853 data->secondary = chanctx_conf;
856 * don't reduce the Tx power if one of these is true:
858 * single share antenna product
862 if (iwl_get_coex_type(mvm, vif) == BT_COEX_LOOSE_LUT ||
863 mvm->cfg->bt_shared_single_ant || !vif->bss_conf.assoc ||
864 le32_to_cpu(mvm->last_bt_notif.bt_activity_grading) == BT_OFF) {
865 iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, false);
866 iwl_mvm_bt_coex_enable_rssi_event(mvm, vif, false, 0);
870 /* try to get the avg rssi from fw */
871 ave_rssi = mvmvif->bf_data.ave_beacon_signal;
873 /* if the RSSI isn't valid, fake it is very low */
876 if (ave_rssi > -IWL_MVM_BT_COEX_EN_RED_TXP_THRESH) {
877 if (iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, true))
878 IWL_ERR(mvm, "Couldn't send BT_CONFIG cmd\n");
879 } else if (ave_rssi < -IWL_MVM_BT_COEX_DIS_RED_TXP_THRESH) {
880 if (iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, false))
881 IWL_ERR(mvm, "Couldn't send BT_CONFIG cmd\n");
884 /* Begin to monitor the RSSI: it may influence the reduced Tx power */
885 iwl_mvm_bt_coex_enable_rssi_event(mvm, vif, true, ave_rssi);
888 static void iwl_mvm_bt_coex_notif_handle(struct iwl_mvm *mvm)
890 struct iwl_bt_iterator_data data = {
892 .notif = &mvm->last_bt_notif,
894 struct iwl_bt_coex_ci_cmd cmd = {};
897 /* Ignore updates if we are in force mode */
898 if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS))
902 ieee80211_iterate_active_interfaces_atomic(
903 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
904 iwl_mvm_bt_notif_iterator, &data);
907 struct ieee80211_chanctx_conf *chan = data.primary;
908 if (WARN_ON(!chan->def.chan)) {
913 if (chan->def.width < NL80211_CHAN_WIDTH_40) {
916 if (chan->def.center_freq1 >
917 chan->def.chan->center_freq)
924 iwl_ci_mask[chan->def.chan->hw_value][ci_bw_idx];
925 cmd.primary_ch_phy_id =
926 cpu_to_le32(*((u16 *)data.primary->drv_priv));
929 if (data.secondary) {
930 struct ieee80211_chanctx_conf *chan = data.secondary;
931 if (WARN_ON(!data.secondary->def.chan)) {
936 if (chan->def.width < NL80211_CHAN_WIDTH_40) {
939 if (chan->def.center_freq1 >
940 chan->def.chan->center_freq)
946 cmd.bt_secondary_ci =
947 iwl_ci_mask[chan->def.chan->hw_value][ci_bw_idx];
948 cmd.secondary_ch_phy_id =
949 cpu_to_le32(*((u16 *)data.secondary->drv_priv));
954 /* Don't spam the fw with the same command over and over */
955 if (memcmp(&cmd, &mvm->last_bt_ci_cmd, sizeof(cmd))) {
956 if (iwl_mvm_send_cmd_pdu(mvm, BT_COEX_CI, 0,
958 IWL_ERR(mvm, "Failed to send BT_CI cmd\n");
959 memcpy(&mvm->last_bt_ci_cmd, &cmd, sizeof(cmd));
962 if (iwl_mvm_bt_udpate_sw_boost(mvm))
963 IWL_ERR(mvm, "Failed to update the ctrl_kill_msk\n");
966 int iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm,
967 struct iwl_rx_cmd_buffer *rxb,
968 struct iwl_device_cmd *dev_cmd)
970 struct iwl_rx_packet *pkt = rxb_addr(rxb);
971 struct iwl_bt_coex_profile_notif *notif = (void *)pkt->data;
973 if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT))
974 return iwl_mvm_rx_bt_coex_notif_old(mvm, rxb, dev_cmd);
976 IWL_DEBUG_COEX(mvm, "BT Coex Notification received\n");
977 IWL_DEBUG_COEX(mvm, "\tBT ci compliance %d\n", notif->bt_ci_compliance);
978 IWL_DEBUG_COEX(mvm, "\tBT primary_ch_lut %d\n",
979 le32_to_cpu(notif->primary_ch_lut));
980 IWL_DEBUG_COEX(mvm, "\tBT secondary_ch_lut %d\n",
981 le32_to_cpu(notif->secondary_ch_lut));
982 IWL_DEBUG_COEX(mvm, "\tBT activity grading %d\n",
983 le32_to_cpu(notif->bt_activity_grading));
985 /* remember this notification for future use: rssi fluctuations */
986 memcpy(&mvm->last_bt_notif, notif, sizeof(mvm->last_bt_notif));
988 iwl_mvm_bt_coex_notif_handle(mvm);
991 * This is an async handler for a notification, returning anything other
992 * than 0 doesn't make sense even if HCMD failed.
997 static void iwl_mvm_bt_rssi_iterator(void *_data, u8 *mac,
998 struct ieee80211_vif *vif)
1000 struct iwl_mvm_vif *mvmvif = (void *)vif->drv_priv;
1001 struct iwl_bt_iterator_data *data = _data;
1002 struct iwl_mvm *mvm = data->mvm;
1004 struct ieee80211_sta *sta;
1005 struct iwl_mvm_sta *mvmsta;
1007 struct ieee80211_chanctx_conf *chanctx_conf;
1010 chanctx_conf = rcu_dereference(vif->chanctx_conf);
1011 /* If channel context is invalid or not on 2.4GHz - don't count it */
1012 if (!chanctx_conf ||
1013 chanctx_conf->def.chan->band != IEEE80211_BAND_2GHZ) {
1019 if (vif->type != NL80211_IFTYPE_STATION ||
1020 mvmvif->ap_sta_id == IWL_MVM_STATION_COUNT)
1023 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[mvmvif->ap_sta_id],
1024 lockdep_is_held(&mvm->mutex));
1026 /* This can happen if the station has been removed right now */
1027 if (IS_ERR_OR_NULL(sta))
1030 mvmsta = iwl_mvm_sta_from_mac80211(sta);
1033 void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1034 enum ieee80211_rssi_event rssi_event)
1036 struct iwl_mvm_vif *mvmvif = (void *)vif->drv_priv;
1037 struct iwl_bt_iterator_data data = {
1042 if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT)) {
1043 iwl_mvm_bt_rssi_event_old(mvm, vif, rssi_event);
1047 lockdep_assert_held(&mvm->mutex);
1049 /* Ignore updates if we are in force mode */
1050 if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS))
1054 * Rssi update while not associated - can happen since the statistics
1055 * are handled asynchronously
1057 if (mvmvif->ap_sta_id == IWL_MVM_STATION_COUNT)
1060 /* No BT - reports should be disabled */
1061 if (le32_to_cpu(mvm->last_bt_notif.bt_activity_grading) == BT_OFF)
1064 IWL_DEBUG_COEX(mvm, "RSSI for %pM is now %s\n", vif->bss_conf.bssid,
1065 rssi_event == RSSI_EVENT_HIGH ? "HIGH" : "LOW");
1068 * Check if rssi is good enough for reduced Tx power, but not in loose
1071 if (rssi_event == RSSI_EVENT_LOW || mvm->cfg->bt_shared_single_ant ||
1072 iwl_get_coex_type(mvm, vif) == BT_COEX_LOOSE_LUT)
1073 ret = iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id,
1076 ret = iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, true);
1079 IWL_ERR(mvm, "couldn't send BT_CONFIG HCMD upon RSSI event\n");
1081 ieee80211_iterate_active_interfaces_atomic(
1082 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
1083 iwl_mvm_bt_rssi_iterator, &data);
1085 if (iwl_mvm_bt_udpate_sw_boost(mvm))
1086 IWL_ERR(mvm, "Failed to update the ctrl_kill_msk\n");
1089 #define LINK_QUAL_AGG_TIME_LIMIT_DEF (4000)
1090 #define LINK_QUAL_AGG_TIME_LIMIT_BT_ACT (1200)
1092 u16 iwl_mvm_coex_agg_time_limit(struct iwl_mvm *mvm,
1093 struct ieee80211_sta *sta)
1095 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
1096 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(mvmsta->vif);
1097 struct iwl_mvm_phy_ctxt *phy_ctxt = mvmvif->phy_ctxt;
1098 enum iwl_bt_coex_lut_type lut_type;
1100 if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT))
1101 return iwl_mvm_coex_agg_time_limit_old(mvm, sta);
1103 if (IWL_COEX_IS_TTC_ON(mvm->last_bt_notif.ttc_rrc_status, phy_ctxt->id))
1104 return LINK_QUAL_AGG_TIME_LIMIT_DEF;
1106 if (le32_to_cpu(mvm->last_bt_notif.bt_activity_grading) <
1108 return LINK_QUAL_AGG_TIME_LIMIT_DEF;
1110 lut_type = iwl_get_coex_type(mvm, mvmsta->vif);
1112 if (lut_type == BT_COEX_LOOSE_LUT || lut_type == BT_COEX_INVALID_LUT)
1113 return LINK_QUAL_AGG_TIME_LIMIT_DEF;
1115 /* tight coex, high bt traffic, reduce AGG time limit */
1116 return LINK_QUAL_AGG_TIME_LIMIT_BT_ACT;
1119 bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm,
1120 struct ieee80211_sta *sta)
1122 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
1123 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(mvmsta->vif);
1124 struct iwl_mvm_phy_ctxt *phy_ctxt = mvmvif->phy_ctxt;
1125 enum iwl_bt_coex_lut_type lut_type;
1127 if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT))
1128 return iwl_mvm_bt_coex_is_mimo_allowed_old(mvm, sta);
1130 if (IWL_COEX_IS_TTC_ON(mvm->last_bt_notif.ttc_rrc_status, phy_ctxt->id))
1133 if (le32_to_cpu(mvm->last_bt_notif.bt_activity_grading) <
1138 * In Tight / TxTxDis, BT can't Rx while we Tx, so use both antennas
1139 * since BT is already killed.
1140 * In Loose, BT can Rx while we Tx, so forbid MIMO to let BT Rx while
1142 * When we are in 5GHz, we'll get BT_COEX_INVALID_LUT allowing MIMO.
1144 lut_type = iwl_get_coex_type(mvm, mvmsta->vif);
1145 return lut_type != BT_COEX_LOOSE_LUT;
1148 bool iwl_mvm_bt_coex_is_shared_ant_avail(struct iwl_mvm *mvm)
1150 if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT))
1151 return iwl_mvm_bt_coex_is_shared_ant_avail_old(mvm);
1153 return le32_to_cpu(mvm->last_bt_notif.bt_activity_grading) == BT_OFF;
1156 bool iwl_mvm_bt_coex_is_tpc_allowed(struct iwl_mvm *mvm,
1157 enum ieee80211_band band)
1159 u32 bt_activity = le32_to_cpu(mvm->last_bt_notif.bt_activity_grading);
1161 if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT))
1162 return iwl_mvm_bt_coex_is_tpc_allowed_old(mvm, band);
1164 if (band != IEEE80211_BAND_2GHZ)
1167 return bt_activity >= BT_LOW_TRAFFIC;
1170 u8 iwl_mvm_bt_coex_tx_prio(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr,
1171 struct ieee80211_tx_info *info, u8 ac)
1173 __le16 fc = hdr->frame_control;
1175 if (info->band != IEEE80211_BAND_2GHZ)
1178 if (unlikely(mvm->bt_tx_prio))
1179 return mvm->bt_tx_prio - 1;
1181 /* High prio packet (wrt. BT coex) if it is EAPOL, MCAST or MGMT */
1182 if (info->control.flags & IEEE80211_TX_CTRL_PORT_CTRL_PROTO ||
1183 is_multicast_ether_addr(hdr->addr1) ||
1184 ieee80211_is_ctl(fc) || ieee80211_is_mgmt(fc) ||
1185 ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc))
1189 case IEEE80211_AC_BE:
1191 case IEEE80211_AC_VO:
1193 case IEEE80211_AC_VI:
1202 void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm)
1204 if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT)) {
1205 iwl_mvm_bt_coex_vif_change_old(mvm);
1209 iwl_mvm_bt_coex_notif_handle(mvm);
1212 int iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm,
1213 struct iwl_rx_cmd_buffer *rxb,
1214 struct iwl_device_cmd *dev_cmd)
1216 struct iwl_rx_packet *pkt = rxb_addr(rxb);
1217 u32 ant_isolation = le32_to_cpup((void *)pkt->data);
1218 struct iwl_bt_coex_corun_lut_update_cmd cmd = {};
1219 u8 __maybe_unused lower_bound, upper_bound;
1222 if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT))
1223 return iwl_mvm_rx_ant_coupling_notif_old(mvm, rxb, dev_cmd);
1225 if (!IWL_MVM_BT_COEX_CORUNNING)
1228 lockdep_assert_held(&mvm->mutex);
1230 /* Ignore updates if we are in force mode */
1231 if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS))
1234 if (ant_isolation == mvm->last_ant_isol)
1237 for (lut = 0; lut < ARRAY_SIZE(antenna_coupling_ranges) - 1; lut++)
1238 if (ant_isolation < antenna_coupling_ranges[lut + 1].range)
1241 lower_bound = antenna_coupling_ranges[lut].range;
1243 if (lut < ARRAY_SIZE(antenna_coupling_ranges) - 1)
1244 upper_bound = antenna_coupling_ranges[lut + 1].range;
1246 upper_bound = antenna_coupling_ranges[lut].range;
1248 IWL_DEBUG_COEX(mvm, "Antenna isolation=%d in range [%d,%d[, lut=%d\n",
1249 ant_isolation, lower_bound, upper_bound, lut);
1251 mvm->last_ant_isol = ant_isolation;
1253 if (mvm->last_corun_lut == lut)
1256 mvm->last_corun_lut = lut;
1258 /* For the moment, use the same LUT for 20GHz and 40GHz */
1259 memcpy(&cmd.corun_lut20, antenna_coupling_ranges[lut].lut20,
1260 sizeof(cmd.corun_lut20));
1262 memcpy(&cmd.corun_lut40, antenna_coupling_ranges[lut].lut20,
1263 sizeof(cmd.corun_lut40));
1265 return iwl_mvm_send_cmd_pdu(mvm, BT_COEX_UPDATE_CORUN_LUT, 0,