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.
9 * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of version 2 of the GNU General Public License as
13 * published by the Free Software Foundation.
15 * This program is distributed in the hope that it will be useful, but
16 * WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
25 * The full GNU General Public License is included in this distribution
26 * in the file called COPYING.
28 * Contact Information:
29 * Intel Linux Wireless <ilw@linux.intel.com>
30 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
34 * Copyright(c) 2013 - 2014 Intel Corporation. All rights reserved.
35 * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
36 * All rights reserved.
38 * Redistribution and use in source and binary forms, with or without
39 * modification, are permitted provided that the following conditions
42 * * Redistributions of source code must retain the above copyright
43 * notice, this list of conditions and the following disclaimer.
44 * * Redistributions in binary form must reproduce the above copyright
45 * notice, this list of conditions and the following disclaimer in
46 * the documentation and/or other materials provided with the
48 * * Neither the name Intel Corporation nor the names of its
49 * contributors may be used to endorse or promote products derived
50 * from this software without specific prior written permission.
52 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
53 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
54 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
55 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
56 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
57 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
58 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
59 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
60 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
61 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
62 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
64 *****************************************************************************/
66 #include <linux/ieee80211.h>
67 #include <linux/etherdevice.h>
68 #include <net/mac80211.h>
70 #include "fw-api-coex.h"
71 #include "iwl-modparams.h"
73 #include "iwl-debug.h"
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 struct corunning_block_luts
{
305 __le32 lut20
[BT_COEX_CORUN_LUT_SIZE
];
309 * Ranges for the antenna coupling calibration / co-running block LUT:
320 static const struct corunning_block_luts antenna_coupling_ranges
[] = {
324 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
325 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
326 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
327 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
328 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
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),
345 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
346 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
347 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
348 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
349 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
350 cpu_to_le32(0x00000000), 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),
366 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
367 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
368 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
369 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
370 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
371 cpu_to_le32(0x00000000), 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),
387 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
388 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
389 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
390 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
391 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
392 cpu_to_le32(0x00000000), 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),
408 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
409 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
410 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
411 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
412 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
413 cpu_to_le32(0x00000000), 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),
429 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
430 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
431 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
432 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
433 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
434 cpu_to_le32(0x00000000), 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),
450 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
451 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
452 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
453 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
454 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
455 cpu_to_le32(0x00000000), 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),
471 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
472 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
473 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
474 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
475 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
476 cpu_to_le32(0x00000000), 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),
492 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
493 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
494 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
495 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
496 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
497 cpu_to_le32(0x00000000), 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),
512 static enum iwl_bt_coex_lut_type
513 iwl_get_coex_type(struct iwl_mvm
*mvm
, const struct ieee80211_vif
*vif
)
515 struct ieee80211_chanctx_conf
*chanctx_conf
;
516 enum iwl_bt_coex_lut_type ret
;
518 u32 primary_ch_phy_id
, secondary_ch_phy_id
;
521 * Checking that we hold mvm->mutex is a good idea, but the rate
522 * control can't acquire the mutex since it runs in Tx path.
523 * So this is racy in that case, but in the worst case, the AMPDU
524 * size limit will be wrong for a short time which is not a big
530 chanctx_conf
= rcu_dereference(vif
->chanctx_conf
);
533 chanctx_conf
->def
.chan
->band
!= IEEE80211_BAND_2GHZ
) {
535 return BT_COEX_INVALID_LUT
;
538 ret
= BT_COEX_TX_DIS_LUT
;
540 if (mvm
->cfg
->bt_shared_single_ant
) {
545 phy_ctx_id
= *((u16
*)chanctx_conf
->drv_priv
);
546 primary_ch_phy_id
= le32_to_cpu(mvm
->last_bt_ci_cmd
.primary_ch_phy_id
);
547 secondary_ch_phy_id
=
548 le32_to_cpu(mvm
->last_bt_ci_cmd
.secondary_ch_phy_id
);
550 if (primary_ch_phy_id
== phy_ctx_id
)
551 ret
= le32_to_cpu(mvm
->last_bt_notif
.primary_ch_lut
);
552 else if (secondary_ch_phy_id
== phy_ctx_id
)
553 ret
= le32_to_cpu(mvm
->last_bt_notif
.secondary_ch_lut
);
554 /* else - default = TX TX disallowed */
561 int iwl_send_bt_init_conf(struct iwl_mvm
*mvm
)
563 struct iwl_bt_coex_cmd
*bt_cmd
;
564 struct iwl_host_cmd cmd
= {
566 .len
= { sizeof(*bt_cmd
), },
567 .dataflags
= { IWL_HCMD_DFL_NOCOPY
, },
572 if (!(mvm
->fw
->ucode_capa
.api
[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT
))
573 return iwl_send_bt_init_conf_old(mvm
);
575 bt_cmd
= kzalloc(sizeof(*bt_cmd
), GFP_KERNEL
);
578 cmd
.data
[0] = bt_cmd
;
580 lockdep_assert_held(&mvm
->mutex
);
582 if (unlikely(mvm
->bt_force_ant_mode
!= BT_FORCE_ANT_DIS
)) {
583 switch (mvm
->bt_force_ant_mode
) {
584 case BT_FORCE_ANT_BT
:
587 case BT_FORCE_ANT_WIFI
:
595 bt_cmd
->mode
= cpu_to_le32(mode
);
599 bt_cmd
->max_kill
= cpu_to_le32(5);
600 bt_cmd
->bt4_antenna_isolation_thr
=
601 cpu_to_le32(IWL_MVM_BT_COEX_ANTENNA_COUPLING_THRS
);
602 bt_cmd
->bt4_tx_tx_delta_freq_thr
= cpu_to_le32(15);
603 bt_cmd
->bt4_tx_rx_max_freq0
= cpu_to_le32(15);
604 bt_cmd
->override_primary_lut
= cpu_to_le32(BT_COEX_INVALID_LUT
);
605 bt_cmd
->override_secondary_lut
= cpu_to_le32(BT_COEX_INVALID_LUT
);
607 mode
= iwlwifi_mod_params
.bt_coex_active
? BT_COEX_NW
: BT_COEX_DISABLE
;
608 bt_cmd
->mode
= cpu_to_le32(mode
);
610 if (IWL_MVM_BT_COEX_SYNC2SCO
)
611 bt_cmd
->enabled_modules
|=
612 cpu_to_le32(BT_COEX_SYNC2SCO_ENABLED
);
614 if (IWL_MVM_BT_COEX_CORUNNING
)
615 bt_cmd
->enabled_modules
|= cpu_to_le32(BT_COEX_CORUN_ENABLED
);
617 if (IWL_MVM_BT_COEX_MPLUT
) {
618 bt_cmd
->enabled_modules
|= cpu_to_le32(BT_COEX_MPLUT_ENABLED
);
619 bt_cmd
->enabled_modules
|=
620 cpu_to_le32(BT_COEX_MPLUT_BOOST_ENABLED
);
623 bt_cmd
->enabled_modules
|= cpu_to_le32(BT_COEX_HIGH_BAND_RET
);
625 if (mvm
->cfg
->bt_shared_single_ant
)
626 memcpy(&bt_cmd
->decision_lut
, iwl_single_shared_ant
,
627 sizeof(iwl_single_shared_ant
));
629 memcpy(&bt_cmd
->decision_lut
, iwl_combined_lookup
,
630 sizeof(iwl_combined_lookup
));
632 memcpy(&bt_cmd
->mplut_prio_boost
, iwl_bt_prio_boost
,
633 sizeof(iwl_bt_prio_boost
));
634 bt_cmd
->multiprio_lut
[0] = cpu_to_le32(IWL_MVM_BT_COEX_MPLUT_REG0
);
635 bt_cmd
->multiprio_lut
[1] = cpu_to_le32(IWL_MVM_BT_COEX_MPLUT_REG1
);
638 memset(&mvm
->last_bt_notif
, 0, sizeof(mvm
->last_bt_notif
));
639 memset(&mvm
->last_bt_ci_cmd
, 0, sizeof(mvm
->last_bt_ci_cmd
));
641 ret
= iwl_mvm_send_cmd(mvm
, &cmd
);
647 static int iwl_mvm_bt_udpate_sw_boost(struct iwl_mvm
*mvm
)
649 struct iwl_bt_coex_profile_notif
*notif
= &mvm
->last_bt_notif
;
650 u32 primary_lut
= le32_to_cpu(notif
->primary_ch_lut
);
651 u32 secondary_lut
= le32_to_cpu(notif
->secondary_ch_lut
);
652 u32 ag
= le32_to_cpu(notif
->bt_activity_grading
);
653 struct iwl_bt_coex_sw_boost_update_cmd cmd
= {};
654 u8 ack_kill_msk
[NUM_PHY_CTX
] = {};
655 u8 cts_kill_msk
[NUM_PHY_CTX
] = {};
658 lockdep_assert_held(&mvm
->mutex
);
660 ack_kill_msk
[0] = iwl_bt_ack_kill_msk
[ag
][primary_lut
];
661 cts_kill_msk
[0] = iwl_bt_cts_kill_msk
[ag
][primary_lut
];
663 ack_kill_msk
[1] = iwl_bt_ack_kill_msk
[ag
][secondary_lut
];
664 cts_kill_msk
[1] = iwl_bt_cts_kill_msk
[ag
][secondary_lut
];
666 /* Don't send HCMD if there is no update */
667 if (!memcmp(ack_kill_msk
, mvm
->bt_ack_kill_msk
, sizeof(ack_kill_msk
)) ||
668 !memcmp(cts_kill_msk
, mvm
->bt_cts_kill_msk
, sizeof(cts_kill_msk
)))
671 memcpy(mvm
->bt_ack_kill_msk
, ack_kill_msk
,
672 sizeof(mvm
->bt_ack_kill_msk
));
673 memcpy(mvm
->bt_cts_kill_msk
, cts_kill_msk
,
674 sizeof(mvm
->bt_cts_kill_msk
));
676 BUILD_BUG_ON(ARRAY_SIZE(ack_kill_msk
) < ARRAY_SIZE(cmd
.boost_values
));
678 for (i
= 0; i
< ARRAY_SIZE(cmd
.boost_values
); i
++) {
679 cmd
.boost_values
[i
].kill_ack_msk
=
680 cpu_to_le32(iwl_bt_ctl_kill_msk
[ack_kill_msk
[i
]]);
681 cmd
.boost_values
[i
].kill_cts_msk
=
682 cpu_to_le32(iwl_bt_ctl_kill_msk
[cts_kill_msk
[i
]]);
685 return iwl_mvm_send_cmd_pdu(mvm
, BT_COEX_UPDATE_SW_BOOST
, 0,
689 static int iwl_mvm_bt_coex_reduced_txp(struct iwl_mvm
*mvm
, u8 sta_id
,
692 struct iwl_bt_coex_reduced_txp_update_cmd cmd
= {};
693 struct iwl_mvm_sta
*mvmsta
;
697 mvmsta
= iwl_mvm_sta_from_staid_protected(mvm
, sta_id
);
702 if (mvmsta
->bt_reduced_txpower
== enable
)
705 value
= mvmsta
->sta_id
;
708 value
|= BT_REDUCED_TX_POWER_BIT
;
710 IWL_DEBUG_COEX(mvm
, "%sable reduced Tx Power for sta %d\n",
711 enable
? "en" : "dis", sta_id
);
713 cmd
.reduced_txp
= cpu_to_le32(value
);
714 mvmsta
->bt_reduced_txpower
= enable
;
716 ret
= iwl_mvm_send_cmd_pdu(mvm
, BT_COEX_UPDATE_REDUCED_TXP
, CMD_ASYNC
,
722 struct iwl_bt_iterator_data
{
723 struct iwl_bt_coex_profile_notif
*notif
;
725 struct ieee80211_chanctx_conf
*primary
;
726 struct ieee80211_chanctx_conf
*secondary
;
731 void iwl_mvm_bt_coex_enable_rssi_event(struct iwl_mvm
*mvm
,
732 struct ieee80211_vif
*vif
,
733 bool enable
, int rssi
)
735 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
737 mvmvif
->bf_data
.last_bt_coex_event
= rssi
;
738 mvmvif
->bf_data
.bt_coex_max_thold
=
739 enable
? -IWL_MVM_BT_COEX_EN_RED_TXP_THRESH
: 0;
740 mvmvif
->bf_data
.bt_coex_min_thold
=
741 enable
? -IWL_MVM_BT_COEX_DIS_RED_TXP_THRESH
: 0;
744 /* must be called under rcu_read_lock */
745 static void iwl_mvm_bt_notif_iterator(void *_data
, u8
*mac
,
746 struct ieee80211_vif
*vif
)
748 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
749 struct iwl_bt_iterator_data
*data
= _data
;
750 struct iwl_mvm
*mvm
= data
->mvm
;
751 struct ieee80211_chanctx_conf
*chanctx_conf
;
752 /* default smps_mode is AUTOMATIC - only used for client modes */
753 enum ieee80211_smps_mode smps_mode
= IEEE80211_SMPS_AUTOMATIC
;
754 u32 bt_activity_grading
;
757 lockdep_assert_held(&mvm
->mutex
);
760 case NL80211_IFTYPE_STATION
:
762 case NL80211_IFTYPE_AP
:
763 if (!mvmvif
->ap_ibss_active
)
770 chanctx_conf
= rcu_dereference(vif
->chanctx_conf
);
772 /* If channel context is invalid or not on 2.4GHz .. */
773 if ((!chanctx_conf
||
774 chanctx_conf
->def
.chan
->band
!= IEEE80211_BAND_2GHZ
)) {
775 if (vif
->type
== NL80211_IFTYPE_STATION
) {
776 /* ... relax constraints and disable rssi events */
777 iwl_mvm_update_smps(mvm
, vif
, IWL_MVM_SMPS_REQ_BT_COEX
,
779 iwl_mvm_bt_coex_reduced_txp(mvm
, mvmvif
->ap_sta_id
,
781 iwl_mvm_bt_coex_enable_rssi_event(mvm
, vif
, false, 0);
786 bt_activity_grading
= le32_to_cpu(data
->notif
->bt_activity_grading
);
787 if (bt_activity_grading
>= BT_HIGH_TRAFFIC
)
788 smps_mode
= IEEE80211_SMPS_STATIC
;
789 else if (bt_activity_grading
>= BT_LOW_TRAFFIC
)
790 smps_mode
= IEEE80211_SMPS_DYNAMIC
;
792 /* relax SMPS constraints for next association */
793 if (!vif
->bss_conf
.assoc
)
794 smps_mode
= IEEE80211_SMPS_AUTOMATIC
;
796 if (mvmvif
->phy_ctxt
&&
797 IWL_COEX_IS_RRC_ON(mvm
->last_bt_notif
.ttc_rrc_status
,
798 mvmvif
->phy_ctxt
->id
))
799 smps_mode
= IEEE80211_SMPS_AUTOMATIC
;
801 IWL_DEBUG_COEX(data
->mvm
,
802 "mac %d: bt_activity_grading %d smps_req %d\n",
803 mvmvif
->id
, bt_activity_grading
, smps_mode
);
805 if (vif
->type
== NL80211_IFTYPE_STATION
)
806 iwl_mvm_update_smps(mvm
, vif
, IWL_MVM_SMPS_REQ_BT_COEX
,
809 /* low latency is always primary */
810 if (iwl_mvm_vif_low_latency(mvmvif
)) {
811 data
->primary_ll
= true;
813 data
->secondary
= data
->primary
;
814 data
->primary
= chanctx_conf
;
817 if (vif
->type
== NL80211_IFTYPE_AP
) {
818 if (!mvmvif
->ap_ibss_active
)
821 if (chanctx_conf
== data
->primary
)
824 if (!data
->primary_ll
) {
826 * downgrade the current primary no matter what its
829 data
->secondary
= data
->primary
;
830 data
->primary
= chanctx_conf
;
832 /* there is low latency vif - we will be secondary */
833 data
->secondary
= chanctx_conf
;
839 * STA / P2P Client, try to be primary if first vif. If we are in low
840 * latency mode, we are already in primary and just don't do much
842 if (!data
->primary
|| data
->primary
== chanctx_conf
)
843 data
->primary
= chanctx_conf
;
844 else if (!data
->secondary
)
845 /* if secondary is not NULL, it might be a GO */
846 data
->secondary
= chanctx_conf
;
849 * don't reduce the Tx power if one of these is true:
851 * single share antenna product
855 if (iwl_get_coex_type(mvm
, vif
) == BT_COEX_LOOSE_LUT
||
856 mvm
->cfg
->bt_shared_single_ant
|| !vif
->bss_conf
.assoc
||
857 le32_to_cpu(mvm
->last_bt_notif
.bt_activity_grading
) == BT_OFF
) {
858 iwl_mvm_bt_coex_reduced_txp(mvm
, mvmvif
->ap_sta_id
, false);
859 iwl_mvm_bt_coex_enable_rssi_event(mvm
, vif
, false, 0);
863 /* try to get the avg rssi from fw */
864 ave_rssi
= mvmvif
->bf_data
.ave_beacon_signal
;
866 /* if the RSSI isn't valid, fake it is very low */
869 if (ave_rssi
> -IWL_MVM_BT_COEX_EN_RED_TXP_THRESH
) {
870 if (iwl_mvm_bt_coex_reduced_txp(mvm
, mvmvif
->ap_sta_id
, true))
871 IWL_ERR(mvm
, "Couldn't send BT_CONFIG cmd\n");
872 } else if (ave_rssi
< -IWL_MVM_BT_COEX_DIS_RED_TXP_THRESH
) {
873 if (iwl_mvm_bt_coex_reduced_txp(mvm
, mvmvif
->ap_sta_id
, false))
874 IWL_ERR(mvm
, "Couldn't send BT_CONFIG cmd\n");
877 /* Begin to monitor the RSSI: it may influence the reduced Tx power */
878 iwl_mvm_bt_coex_enable_rssi_event(mvm
, vif
, true, ave_rssi
);
881 static void iwl_mvm_bt_coex_notif_handle(struct iwl_mvm
*mvm
)
883 struct iwl_bt_iterator_data data
= {
885 .notif
= &mvm
->last_bt_notif
,
887 struct iwl_bt_coex_ci_cmd cmd
= {};
890 /* Ignore updates if we are in force mode */
891 if (unlikely(mvm
->bt_force_ant_mode
!= BT_FORCE_ANT_DIS
))
895 ieee80211_iterate_active_interfaces_atomic(
896 mvm
->hw
, IEEE80211_IFACE_ITER_NORMAL
,
897 iwl_mvm_bt_notif_iterator
, &data
);
900 struct ieee80211_chanctx_conf
*chan
= data
.primary
;
901 if (WARN_ON(!chan
->def
.chan
)) {
906 if (chan
->def
.width
< NL80211_CHAN_WIDTH_40
) {
909 if (chan
->def
.center_freq1
>
910 chan
->def
.chan
->center_freq
)
917 iwl_ci_mask
[chan
->def
.chan
->hw_value
][ci_bw_idx
];
918 cmd
.primary_ch_phy_id
=
919 cpu_to_le32(*((u16
*)data
.primary
->drv_priv
));
922 if (data
.secondary
) {
923 struct ieee80211_chanctx_conf
*chan
= data
.secondary
;
924 if (WARN_ON(!data
.secondary
->def
.chan
)) {
929 if (chan
->def
.width
< NL80211_CHAN_WIDTH_40
) {
932 if (chan
->def
.center_freq1
>
933 chan
->def
.chan
->center_freq
)
939 cmd
.bt_secondary_ci
=
940 iwl_ci_mask
[chan
->def
.chan
->hw_value
][ci_bw_idx
];
941 cmd
.secondary_ch_phy_id
=
942 cpu_to_le32(*((u16
*)data
.secondary
->drv_priv
));
947 /* Don't spam the fw with the same command over and over */
948 if (memcmp(&cmd
, &mvm
->last_bt_ci_cmd
, sizeof(cmd
))) {
949 if (iwl_mvm_send_cmd_pdu(mvm
, BT_COEX_CI
, 0,
951 IWL_ERR(mvm
, "Failed to send BT_CI cmd\n");
952 memcpy(&mvm
->last_bt_ci_cmd
, &cmd
, sizeof(cmd
));
955 if (iwl_mvm_bt_udpate_sw_boost(mvm
))
956 IWL_ERR(mvm
, "Failed to update the ctrl_kill_msk\n");
959 int iwl_mvm_rx_bt_coex_notif(struct iwl_mvm
*mvm
,
960 struct iwl_rx_cmd_buffer
*rxb
,
961 struct iwl_device_cmd
*dev_cmd
)
963 struct iwl_rx_packet
*pkt
= rxb_addr(rxb
);
964 struct iwl_bt_coex_profile_notif
*notif
= (void *)pkt
->data
;
966 if (!(mvm
->fw
->ucode_capa
.api
[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT
))
967 return iwl_mvm_rx_bt_coex_notif_old(mvm
, rxb
, dev_cmd
);
969 IWL_DEBUG_COEX(mvm
, "BT Coex Notification received\n");
970 IWL_DEBUG_COEX(mvm
, "\tBT ci compliance %d\n", notif
->bt_ci_compliance
);
971 IWL_DEBUG_COEX(mvm
, "\tBT primary_ch_lut %d\n",
972 le32_to_cpu(notif
->primary_ch_lut
));
973 IWL_DEBUG_COEX(mvm
, "\tBT secondary_ch_lut %d\n",
974 le32_to_cpu(notif
->secondary_ch_lut
));
975 IWL_DEBUG_COEX(mvm
, "\tBT activity grading %d\n",
976 le32_to_cpu(notif
->bt_activity_grading
));
978 /* remember this notification for future use: rssi fluctuations */
979 memcpy(&mvm
->last_bt_notif
, notif
, sizeof(mvm
->last_bt_notif
));
981 iwl_mvm_bt_coex_notif_handle(mvm
);
984 * This is an async handler for a notification, returning anything other
985 * than 0 doesn't make sense even if HCMD failed.
990 static void iwl_mvm_bt_rssi_iterator(void *_data
, u8
*mac
,
991 struct ieee80211_vif
*vif
)
993 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
994 struct iwl_bt_iterator_data
*data
= _data
;
995 struct iwl_mvm
*mvm
= data
->mvm
;
997 struct ieee80211_sta
*sta
;
998 struct iwl_mvm_sta
*mvmsta
;
1000 struct ieee80211_chanctx_conf
*chanctx_conf
;
1003 chanctx_conf
= rcu_dereference(vif
->chanctx_conf
);
1004 /* If channel context is invalid or not on 2.4GHz - don't count it */
1005 if (!chanctx_conf
||
1006 chanctx_conf
->def
.chan
->band
!= IEEE80211_BAND_2GHZ
) {
1012 if (vif
->type
!= NL80211_IFTYPE_STATION
||
1013 mvmvif
->ap_sta_id
== IWL_MVM_STATION_COUNT
)
1016 sta
= rcu_dereference_protected(mvm
->fw_id_to_mac_id
[mvmvif
->ap_sta_id
],
1017 lockdep_is_held(&mvm
->mutex
));
1019 /* This can happen if the station has been removed right now */
1020 if (IS_ERR_OR_NULL(sta
))
1023 mvmsta
= iwl_mvm_sta_from_mac80211(sta
);
1026 void iwl_mvm_bt_rssi_event(struct iwl_mvm
*mvm
, struct ieee80211_vif
*vif
,
1027 enum ieee80211_rssi_event rssi_event
)
1029 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
1030 struct iwl_bt_iterator_data data
= {
1035 if (!(mvm
->fw
->ucode_capa
.api
[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT
)) {
1036 iwl_mvm_bt_rssi_event_old(mvm
, vif
, rssi_event
);
1040 lockdep_assert_held(&mvm
->mutex
);
1042 /* Ignore updates if we are in force mode */
1043 if (unlikely(mvm
->bt_force_ant_mode
!= BT_FORCE_ANT_DIS
))
1047 * Rssi update while not associated - can happen since the statistics
1048 * are handled asynchronously
1050 if (mvmvif
->ap_sta_id
== IWL_MVM_STATION_COUNT
)
1053 /* No BT - reports should be disabled */
1054 if (le32_to_cpu(mvm
->last_bt_notif
.bt_activity_grading
) == BT_OFF
)
1057 IWL_DEBUG_COEX(mvm
, "RSSI for %pM is now %s\n", vif
->bss_conf
.bssid
,
1058 rssi_event
== RSSI_EVENT_HIGH
? "HIGH" : "LOW");
1061 * Check if rssi is good enough for reduced Tx power, but not in loose
1064 if (rssi_event
== RSSI_EVENT_LOW
|| mvm
->cfg
->bt_shared_single_ant
||
1065 iwl_get_coex_type(mvm
, vif
) == BT_COEX_LOOSE_LUT
)
1066 ret
= iwl_mvm_bt_coex_reduced_txp(mvm
, mvmvif
->ap_sta_id
,
1069 ret
= iwl_mvm_bt_coex_reduced_txp(mvm
, mvmvif
->ap_sta_id
, true);
1072 IWL_ERR(mvm
, "couldn't send BT_CONFIG HCMD upon RSSI event\n");
1074 ieee80211_iterate_active_interfaces_atomic(
1075 mvm
->hw
, IEEE80211_IFACE_ITER_NORMAL
,
1076 iwl_mvm_bt_rssi_iterator
, &data
);
1078 if (iwl_mvm_bt_udpate_sw_boost(mvm
))
1079 IWL_ERR(mvm
, "Failed to update the ctrl_kill_msk\n");
1082 #define LINK_QUAL_AGG_TIME_LIMIT_DEF (4000)
1083 #define LINK_QUAL_AGG_TIME_LIMIT_BT_ACT (1200)
1085 u16
iwl_mvm_coex_agg_time_limit(struct iwl_mvm
*mvm
,
1086 struct ieee80211_sta
*sta
)
1088 struct iwl_mvm_sta
*mvmsta
= iwl_mvm_sta_from_mac80211(sta
);
1089 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(mvmsta
->vif
);
1090 struct iwl_mvm_phy_ctxt
*phy_ctxt
= mvmvif
->phy_ctxt
;
1091 enum iwl_bt_coex_lut_type lut_type
;
1093 if (!(mvm
->fw
->ucode_capa
.api
[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT
))
1094 return iwl_mvm_coex_agg_time_limit_old(mvm
, sta
);
1096 if (IWL_COEX_IS_TTC_ON(mvm
->last_bt_notif
.ttc_rrc_status
, phy_ctxt
->id
))
1097 return LINK_QUAL_AGG_TIME_LIMIT_DEF
;
1099 if (le32_to_cpu(mvm
->last_bt_notif
.bt_activity_grading
) <
1101 return LINK_QUAL_AGG_TIME_LIMIT_DEF
;
1103 lut_type
= iwl_get_coex_type(mvm
, mvmsta
->vif
);
1105 if (lut_type
== BT_COEX_LOOSE_LUT
|| lut_type
== BT_COEX_INVALID_LUT
)
1106 return LINK_QUAL_AGG_TIME_LIMIT_DEF
;
1108 /* tight coex, high bt traffic, reduce AGG time limit */
1109 return LINK_QUAL_AGG_TIME_LIMIT_BT_ACT
;
1112 bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm
*mvm
,
1113 struct ieee80211_sta
*sta
)
1115 struct iwl_mvm_sta
*mvmsta
= iwl_mvm_sta_from_mac80211(sta
);
1116 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(mvmsta
->vif
);
1117 struct iwl_mvm_phy_ctxt
*phy_ctxt
= mvmvif
->phy_ctxt
;
1118 enum iwl_bt_coex_lut_type lut_type
;
1120 if (!(mvm
->fw
->ucode_capa
.api
[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT
))
1121 return iwl_mvm_bt_coex_is_mimo_allowed_old(mvm
, sta
);
1123 if (IWL_COEX_IS_TTC_ON(mvm
->last_bt_notif
.ttc_rrc_status
, phy_ctxt
->id
))
1126 if (le32_to_cpu(mvm
->last_bt_notif
.bt_activity_grading
) <
1131 * In Tight / TxTxDis, BT can't Rx while we Tx, so use both antennas
1132 * since BT is already killed.
1133 * In Loose, BT can Rx while we Tx, so forbid MIMO to let BT Rx while
1135 * When we are in 5GHz, we'll get BT_COEX_INVALID_LUT allowing MIMO.
1137 lut_type
= iwl_get_coex_type(mvm
, mvmsta
->vif
);
1138 return lut_type
!= BT_COEX_LOOSE_LUT
;
1141 bool iwl_mvm_bt_coex_is_ant_avail(struct iwl_mvm
*mvm
, u8 ant
)
1143 /* there is no other antenna, shared antenna is always available */
1144 if (mvm
->cfg
->bt_shared_single_ant
)
1147 if (ant
& mvm
->cfg
->non_shared_ant
)
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
) <
1157 bool iwl_mvm_bt_coex_is_shared_ant_avail(struct iwl_mvm
*mvm
)
1159 /* there is no other antenna, shared antenna is always available */
1160 if (mvm
->cfg
->bt_shared_single_ant
)
1163 if (!(mvm
->fw
->ucode_capa
.api
[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT
))
1164 return iwl_mvm_bt_coex_is_shared_ant_avail_old(mvm
);
1166 return le32_to_cpu(mvm
->last_bt_notif
.bt_activity_grading
) == BT_OFF
;
1169 bool iwl_mvm_bt_coex_is_tpc_allowed(struct iwl_mvm
*mvm
,
1170 enum ieee80211_band band
)
1172 u32 bt_activity
= le32_to_cpu(mvm
->last_bt_notif
.bt_activity_grading
);
1174 if (!(mvm
->fw
->ucode_capa
.api
[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT
))
1175 return iwl_mvm_bt_coex_is_tpc_allowed_old(mvm
, band
);
1177 if (band
!= IEEE80211_BAND_2GHZ
)
1180 return bt_activity
>= BT_LOW_TRAFFIC
;
1183 u8
iwl_mvm_bt_coex_tx_prio(struct iwl_mvm
*mvm
, struct ieee80211_hdr
*hdr
,
1184 struct ieee80211_tx_info
*info
, u8 ac
)
1186 __le16 fc
= hdr
->frame_control
;
1188 if (info
->band
!= IEEE80211_BAND_2GHZ
)
1191 if (unlikely(mvm
->bt_tx_prio
))
1192 return mvm
->bt_tx_prio
- 1;
1194 /* High prio packet (wrt. BT coex) if it is EAPOL, MCAST or MGMT */
1195 if (info
->control
.flags
& IEEE80211_TX_CTRL_PORT_CTRL_PROTO
||
1196 is_multicast_ether_addr(hdr
->addr1
) ||
1197 ieee80211_is_ctl(fc
) || ieee80211_is_mgmt(fc
) ||
1198 ieee80211_is_nullfunc(fc
) || ieee80211_is_qos_nullfunc(fc
))
1202 case IEEE80211_AC_BE
:
1204 case IEEE80211_AC_VO
:
1206 case IEEE80211_AC_VI
:
1215 void iwl_mvm_bt_coex_vif_change(struct iwl_mvm
*mvm
)
1217 if (!(mvm
->fw
->ucode_capa
.api
[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT
)) {
1218 iwl_mvm_bt_coex_vif_change_old(mvm
);
1222 iwl_mvm_bt_coex_notif_handle(mvm
);
1225 int iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm
*mvm
,
1226 struct iwl_rx_cmd_buffer
*rxb
,
1227 struct iwl_device_cmd
*dev_cmd
)
1229 struct iwl_rx_packet
*pkt
= rxb_addr(rxb
);
1230 u32 ant_isolation
= le32_to_cpup((void *)pkt
->data
);
1231 struct iwl_bt_coex_corun_lut_update_cmd cmd
= {};
1232 u8 __maybe_unused lower_bound
, upper_bound
;
1235 if (!(mvm
->fw
->ucode_capa
.api
[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT
))
1236 return iwl_mvm_rx_ant_coupling_notif_old(mvm
, rxb
, dev_cmd
);
1238 if (!IWL_MVM_BT_COEX_CORUNNING
)
1241 lockdep_assert_held(&mvm
->mutex
);
1243 /* Ignore updates if we are in force mode */
1244 if (unlikely(mvm
->bt_force_ant_mode
!= BT_FORCE_ANT_DIS
))
1247 if (ant_isolation
== mvm
->last_ant_isol
)
1250 for (lut
= 0; lut
< ARRAY_SIZE(antenna_coupling_ranges
) - 1; lut
++)
1251 if (ant_isolation
< antenna_coupling_ranges
[lut
+ 1].range
)
1254 lower_bound
= antenna_coupling_ranges
[lut
].range
;
1256 if (lut
< ARRAY_SIZE(antenna_coupling_ranges
) - 1)
1257 upper_bound
= antenna_coupling_ranges
[lut
+ 1].range
;
1259 upper_bound
= antenna_coupling_ranges
[lut
].range
;
1261 IWL_DEBUG_COEX(mvm
, "Antenna isolation=%d in range [%d,%d[, lut=%d\n",
1262 ant_isolation
, lower_bound
, upper_bound
, lut
);
1264 mvm
->last_ant_isol
= ant_isolation
;
1266 if (mvm
->last_corun_lut
== lut
)
1269 mvm
->last_corun_lut
= lut
;
1271 /* For the moment, use the same LUT for 20GHz and 40GHz */
1272 memcpy(&cmd
.corun_lut20
, antenna_coupling_ranges
[lut
].lut20
,
1273 sizeof(cmd
.corun_lut20
));
1275 memcpy(&cmd
.corun_lut40
, antenna_coupling_ranges
[lut
].lut20
,
1276 sizeof(cmd
.corun_lut40
));
1278 return iwl_mvm_send_cmd_pdu(mvm
, BT_COEX_UPDATE_CORUN_LUT
, 0,