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 #define EVENT_PRIO_ANT(_evt, _prio, _shrd_ant) \
76 [(_evt)] = (((_prio) << BT_COEX_PRIO_TBL_PRIO_POS) | \
77 ((_shrd_ant) << BT_COEX_PRIO_TBL_SHRD_ANT_POS))
79 static const u8 iwl_bt_prio_tbl[BT_COEX_PRIO_TBL_EVT_MAX] = {
80 EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_INIT_CALIB1,
81 BT_COEX_PRIO_TBL_PRIO_BYPASS, 0),
82 EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_INIT_CALIB2,
83 BT_COEX_PRIO_TBL_PRIO_BYPASS, 1),
84 EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_PERIODIC_CALIB_LOW1,
85 BT_COEX_PRIO_TBL_PRIO_LOW, 0),
86 EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_PERIODIC_CALIB_LOW2,
87 BT_COEX_PRIO_TBL_PRIO_LOW, 1),
88 EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_PERIODIC_CALIB_HIGH1,
89 BT_COEX_PRIO_TBL_PRIO_HIGH, 0),
90 EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_PERIODIC_CALIB_HIGH2,
91 BT_COEX_PRIO_TBL_PRIO_HIGH, 1),
92 EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_DTIM,
93 BT_COEX_PRIO_TBL_DISABLED, 0),
94 EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_SCAN52,
95 BT_COEX_PRIO_TBL_PRIO_COEX_OFF, 0),
96 EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_SCAN24,
97 BT_COEX_PRIO_TBL_PRIO_COEX_ON, 0),
98 EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_IDLE,
99 BT_COEX_PRIO_TBL_PRIO_COEX_IDLE, 0),
103 #undef EVENT_PRIO_ANT
105 #define BT_ANTENNA_COUPLING_THRESHOLD (30)
107 static int iwl_send_bt_prio_tbl(struct iwl_mvm *mvm)
109 if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS))
112 return iwl_mvm_send_cmd_pdu(mvm, BT_COEX_PRIO_TABLE, 0,
113 sizeof(struct iwl_bt_coex_prio_tbl_cmd),
117 static const __le32 iwl_bt_prio_boost[BT_COEX_BOOST_SIZE] = {
118 cpu_to_le32(0xf0f0f0f0), /* 50% */
119 cpu_to_le32(0xc0c0c0c0), /* 25% */
120 cpu_to_le32(0xfcfcfcfc), /* 75% */
121 cpu_to_le32(0xfefefefe), /* 87.5% */
124 static const __le32 iwl_single_shared_ant[BT_COEX_MAX_LUT][BT_COEX_LUT_SIZE] = {
126 cpu_to_le32(0x40000000),
127 cpu_to_le32(0x00000000),
128 cpu_to_le32(0x44000000),
129 cpu_to_le32(0x00000000),
130 cpu_to_le32(0x40000000),
131 cpu_to_le32(0x00000000),
132 cpu_to_le32(0x44000000),
133 cpu_to_le32(0x00000000),
134 cpu_to_le32(0xc0004000),
135 cpu_to_le32(0xf0005000),
136 cpu_to_le32(0xc0004000),
137 cpu_to_le32(0xf0005000),
140 cpu_to_le32(0x40000000),
141 cpu_to_le32(0x00000000),
142 cpu_to_le32(0x44000000),
143 cpu_to_le32(0x00000000),
144 cpu_to_le32(0x40000000),
145 cpu_to_le32(0x00000000),
146 cpu_to_le32(0x44000000),
147 cpu_to_le32(0x00000000),
148 cpu_to_le32(0xc0004000),
149 cpu_to_le32(0xf0005000),
150 cpu_to_le32(0xc0004000),
151 cpu_to_le32(0xf0005000),
154 cpu_to_le32(0x40000000),
155 cpu_to_le32(0x00000000),
156 cpu_to_le32(0x44000000),
157 cpu_to_le32(0x00000000),
158 cpu_to_le32(0x40000000),
159 cpu_to_le32(0x00000000),
160 cpu_to_le32(0x44000000),
161 cpu_to_le32(0x00000000),
162 cpu_to_le32(0xc0004000),
163 cpu_to_le32(0xf0005000),
164 cpu_to_le32(0xc0004000),
165 cpu_to_le32(0xf0005000),
169 static const __le32 iwl_combined_lookup[BT_COEX_MAX_LUT][BT_COEX_LUT_SIZE] = {
172 cpu_to_le32(0xaaaaaaaa),
173 cpu_to_le32(0xaaaaaaaa),
174 cpu_to_le32(0xaeaaaaaa),
175 cpu_to_le32(0xaaaaaaaa),
176 cpu_to_le32(0xcc00ff28),
177 cpu_to_le32(0x0000aaaa),
178 cpu_to_le32(0xcc00aaaa),
179 cpu_to_le32(0x0000aaaa),
180 cpu_to_le32(0xc0004000),
181 cpu_to_le32(0x00004000),
182 cpu_to_le32(0xf0005000),
183 cpu_to_le32(0xf0005000),
187 cpu_to_le32(0xaaaaaaaa),
188 cpu_to_le32(0xaaaaaaaa),
189 cpu_to_le32(0xaaaaaaaa),
190 cpu_to_le32(0xaaaaaaaa),
191 cpu_to_le32(0xcc00ff28),
192 cpu_to_le32(0x0000aaaa),
193 cpu_to_le32(0xcc00aaaa),
194 cpu_to_le32(0x0000aaaa),
195 cpu_to_le32(0x00000000),
196 cpu_to_le32(0x00000000),
197 cpu_to_le32(0xf0005000),
198 cpu_to_le32(0xf0005000),
202 cpu_to_le32(0xaaaaaaaa),
203 cpu_to_le32(0xaaaaaaaa),
204 cpu_to_le32(0xeeaaaaaa),
205 cpu_to_le32(0xaaaaaaaa),
206 cpu_to_le32(0xcc00ff28),
207 cpu_to_le32(0x0000aaaa),
208 cpu_to_le32(0xcc00aaaa),
209 cpu_to_le32(0x0000aaaa),
210 cpu_to_le32(0xc0004000),
211 cpu_to_le32(0xc0004000),
212 cpu_to_le32(0xf0005000),
213 cpu_to_le32(0xf0005000),
217 /* 20MHz / 40MHz below / 40Mhz above*/
218 static const __le64 iwl_ci_mask[][3] = {
219 /* dummy entry for channel 0 */
220 {cpu_to_le64(0), cpu_to_le64(0), cpu_to_le64(0)},
222 cpu_to_le64(0x0000001FFFULL),
224 cpu_to_le64(0x00007FFFFFULL),
227 cpu_to_le64(0x000000FFFFULL),
229 cpu_to_le64(0x0003FFFFFFULL),
232 cpu_to_le64(0x000003FFFCULL),
234 cpu_to_le64(0x000FFFFFFCULL),
237 cpu_to_le64(0x00001FFFE0ULL),
239 cpu_to_le64(0x007FFFFFE0ULL),
242 cpu_to_le64(0x00007FFF80ULL),
243 cpu_to_le64(0x00007FFFFFULL),
244 cpu_to_le64(0x01FFFFFF80ULL),
247 cpu_to_le64(0x0003FFFC00ULL),
248 cpu_to_le64(0x0003FFFFFFULL),
249 cpu_to_le64(0x0FFFFFFC00ULL),
252 cpu_to_le64(0x000FFFF000ULL),
253 cpu_to_le64(0x000FFFFFFCULL),
254 cpu_to_le64(0x3FFFFFF000ULL),
257 cpu_to_le64(0x007FFF8000ULL),
258 cpu_to_le64(0x007FFFFFE0ULL),
259 cpu_to_le64(0xFFFFFF8000ULL),
262 cpu_to_le64(0x01FFFE0000ULL),
263 cpu_to_le64(0x01FFFFFF80ULL),
264 cpu_to_le64(0xFFFFFE0000ULL),
267 cpu_to_le64(0x0FFFF00000ULL),
268 cpu_to_le64(0x0FFFFFFC00ULL),
272 cpu_to_le64(0x3FFFC00000ULL),
273 cpu_to_le64(0x3FFFFFF000ULL),
277 cpu_to_le64(0xFFFE000000ULL),
278 cpu_to_le64(0xFFFFFF8000ULL),
282 cpu_to_le64(0xFFF8000000ULL),
283 cpu_to_le64(0xFFFFFE0000ULL),
287 cpu_to_le64(0xFFC0000000ULL),
293 static const __le32 iwl_bt_mprio_lut[BT_COEX_MULTI_PRIO_LUT_SIZE] = {
294 cpu_to_le32(0x28412201),
295 cpu_to_le32(0x11118451),
298 struct corunning_block_luts {
300 __le32 lut20[BT_COEX_CORUN_LUT_SIZE];
304 * Ranges for the antenna coupling calibration / co-running block LUT:
315 static const struct corunning_block_luts antenna_coupling_ranges[] = {
319 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
320 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
321 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
322 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
323 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
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),
340 cpu_to_le32(0x00000001), 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),
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),
361 cpu_to_le32(0x00000002), 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),
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),
382 cpu_to_le32(0x00000003), 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),
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),
403 cpu_to_le32(0x00000004), 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),
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),
424 cpu_to_le32(0x00000005), 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),
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),
445 cpu_to_le32(0x00000006), 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),
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),
466 cpu_to_le32(0x00000007), 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),
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),
487 cpu_to_le32(0x00000008), 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),
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),
507 static enum iwl_bt_coex_lut_type
508 iwl_get_coex_type(struct iwl_mvm *mvm, const struct ieee80211_vif *vif)
510 struct ieee80211_chanctx_conf *chanctx_conf;
511 enum iwl_bt_coex_lut_type ret;
515 * Checking that we hold mvm->mutex is a good idea, but the rate
516 * control can't acquire the mutex since it runs in Tx path.
517 * So this is racy in that case, but in the worst case, the AMPDU
518 * size limit will be wrong for a short time which is not a big
524 chanctx_conf = rcu_dereference(vif->chanctx_conf);
527 chanctx_conf->def.chan->band != IEEE80211_BAND_2GHZ) {
529 return BT_COEX_INVALID_LUT;
532 ret = BT_COEX_TX_DIS_LUT;
534 if (mvm->cfg->bt_shared_single_ant) {
539 phy_ctx_id = *((u16 *)chanctx_conf->drv_priv);
541 if (mvm->last_bt_ci_cmd_old.primary_ch_phy_id == phy_ctx_id)
542 ret = le32_to_cpu(mvm->last_bt_notif_old.primary_ch_lut);
543 else if (mvm->last_bt_ci_cmd_old.secondary_ch_phy_id == phy_ctx_id)
544 ret = le32_to_cpu(mvm->last_bt_notif_old.secondary_ch_lut);
545 /* else - default = TX TX disallowed */
552 int iwl_send_bt_init_conf_old(struct iwl_mvm *mvm)
554 struct iwl_bt_coex_cmd_old *bt_cmd;
555 struct iwl_host_cmd cmd = {
557 .len = { sizeof(*bt_cmd), },
558 .dataflags = { IWL_HCMD_DFL_NOCOPY, },
563 ret = iwl_send_bt_prio_tbl(mvm);
567 bt_cmd = kzalloc(sizeof(*bt_cmd), GFP_KERNEL);
570 cmd.data[0] = bt_cmd;
572 lockdep_assert_held(&mvm->mutex);
574 if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS)) {
575 switch (mvm->bt_force_ant_mode) {
576 case BT_FORCE_ANT_AUTO:
577 flags = BT_COEX_AUTO_OLD;
579 case BT_FORCE_ANT_BT:
580 flags = BT_COEX_BT_OLD;
582 case BT_FORCE_ANT_WIFI:
583 flags = BT_COEX_WIFI_OLD;
590 bt_cmd->flags = cpu_to_le32(flags);
591 bt_cmd->valid_bit_msk = cpu_to_le32(BT_VALID_ENABLE);
595 bt_cmd->max_kill = 5;
596 bt_cmd->bt4_antenna_isolation_thr = BT_ANTENNA_COUPLING_THRESHOLD;
597 bt_cmd->bt4_antenna_isolation = iwlwifi_mod_params.ant_coupling;
598 bt_cmd->bt4_tx_tx_delta_freq_thr = 15;
599 bt_cmd->bt4_tx_rx_max_freq0 = 15;
600 bt_cmd->override_primary_lut = BT_COEX_INVALID_LUT;
601 bt_cmd->override_secondary_lut = BT_COEX_INVALID_LUT;
603 flags = iwlwifi_mod_params.bt_coex_active ?
604 BT_COEX_NW_OLD : BT_COEX_DISABLE_OLD;
605 bt_cmd->flags = cpu_to_le32(flags);
607 bt_cmd->valid_bit_msk = cpu_to_le32(BT_VALID_ENABLE |
608 BT_VALID_BT_PRIO_BOOST |
613 BT_VALID_REDUCED_TX_POWER |
615 BT_VALID_WIFI_RX_SW_PRIO_BOOST |
616 BT_VALID_WIFI_TX_SW_PRIO_BOOST |
617 BT_VALID_ANT_ISOLATION |
618 BT_VALID_ANT_ISOLATION_THRS |
619 BT_VALID_TXTX_DELTA_FREQ_THRS |
620 BT_VALID_TXRX_MAX_FREQ_0 |
621 BT_VALID_SYNC_TO_SCO);
623 if (IWL_MVM_BT_COEX_SYNC2SCO)
624 bt_cmd->flags |= cpu_to_le32(BT_COEX_SYNC2SCO);
626 if (IWL_MVM_BT_COEX_CORUNNING) {
627 bt_cmd->valid_bit_msk |= cpu_to_le32(BT_VALID_CORUN_LUT_20 |
628 BT_VALID_CORUN_LUT_40);
629 bt_cmd->flags |= cpu_to_le32(BT_COEX_CORUNNING);
632 if (IWL_MVM_BT_COEX_MPLUT) {
633 bt_cmd->flags |= cpu_to_le32(BT_COEX_MPLUT);
634 bt_cmd->valid_bit_msk |= cpu_to_le32(BT_VALID_MULTI_PRIO_LUT);
637 if (mvm->cfg->bt_shared_single_ant)
638 memcpy(&bt_cmd->decision_lut, iwl_single_shared_ant,
639 sizeof(iwl_single_shared_ant));
641 memcpy(&bt_cmd->decision_lut, iwl_combined_lookup,
642 sizeof(iwl_combined_lookup));
644 /* Take first Co-running block LUT to get started */
645 memcpy(bt_cmd->bt4_corun_lut20, antenna_coupling_ranges[0].lut20,
646 sizeof(bt_cmd->bt4_corun_lut20));
647 memcpy(bt_cmd->bt4_corun_lut40, antenna_coupling_ranges[0].lut20,
648 sizeof(bt_cmd->bt4_corun_lut40));
650 memcpy(&bt_cmd->bt_prio_boost, iwl_bt_prio_boost,
651 sizeof(iwl_bt_prio_boost));
652 memcpy(&bt_cmd->bt4_multiprio_lut, iwl_bt_mprio_lut,
653 sizeof(iwl_bt_mprio_lut));
656 memset(&mvm->last_bt_notif_old, 0, sizeof(mvm->last_bt_notif_old));
657 memset(&mvm->last_bt_ci_cmd_old, 0, sizeof(mvm->last_bt_ci_cmd_old));
659 ret = iwl_mvm_send_cmd(mvm, &cmd);
665 static int iwl_mvm_bt_udpate_ctrl_kill_msk(struct iwl_mvm *mvm)
667 struct iwl_bt_coex_profile_notif_old *notif = &mvm->last_bt_notif_old;
668 u32 primary_lut = le32_to_cpu(notif->primary_ch_lut);
669 u32 ag = le32_to_cpu(notif->bt_activity_grading);
670 struct iwl_bt_coex_cmd_old *bt_cmd;
671 u8 ack_kill_msk, cts_kill_msk;
672 struct iwl_host_cmd cmd = {
675 .len = { sizeof(*bt_cmd), },
676 .dataflags = { IWL_HCMD_DFL_NOCOPY, },
680 lockdep_assert_held(&mvm->mutex);
682 ack_kill_msk = iwl_bt_ack_kill_msk[ag][primary_lut];
683 cts_kill_msk = iwl_bt_cts_kill_msk[ag][primary_lut];
685 if (mvm->bt_ack_kill_msk[0] == ack_kill_msk &&
686 mvm->bt_cts_kill_msk[0] == cts_kill_msk)
689 mvm->bt_ack_kill_msk[0] = ack_kill_msk;
690 mvm->bt_cts_kill_msk[0] = cts_kill_msk;
692 bt_cmd = kzalloc(sizeof(*bt_cmd), GFP_KERNEL);
695 cmd.data[0] = bt_cmd;
696 bt_cmd->flags = cpu_to_le32(BT_COEX_NW_OLD);
698 bt_cmd->kill_ack_msk = cpu_to_le32(iwl_bt_ctl_kill_msk[ack_kill_msk]);
699 bt_cmd->kill_cts_msk = cpu_to_le32(iwl_bt_ctl_kill_msk[cts_kill_msk]);
700 bt_cmd->valid_bit_msk |= cpu_to_le32(BT_VALID_ENABLE |
704 ret = iwl_mvm_send_cmd(mvm, &cmd);
710 static int iwl_mvm_bt_coex_reduced_txp(struct iwl_mvm *mvm, u8 sta_id,
713 struct iwl_bt_coex_cmd_old *bt_cmd;
714 /* Send ASYNC since this can be sent from an atomic context */
715 struct iwl_host_cmd cmd = {
717 .len = { sizeof(*bt_cmd), },
718 .dataflags = { IWL_HCMD_DFL_NOCOPY, },
721 struct iwl_mvm_sta *mvmsta;
724 mvmsta = iwl_mvm_sta_from_staid_protected(mvm, sta_id);
729 if (mvmsta->bt_reduced_txpower == enable)
732 bt_cmd = kzalloc(sizeof(*bt_cmd), GFP_ATOMIC);
735 cmd.data[0] = bt_cmd;
736 bt_cmd->flags = cpu_to_le32(BT_COEX_NW_OLD);
738 bt_cmd->valid_bit_msk =
739 cpu_to_le32(BT_VALID_ENABLE | BT_VALID_REDUCED_TX_POWER);
740 bt_cmd->bt_reduced_tx_power = sta_id;
743 bt_cmd->bt_reduced_tx_power |= BT_REDUCED_TX_POWER_BIT;
745 IWL_DEBUG_COEX(mvm, "%sable reduced Tx Power for sta %d\n",
746 enable ? "en" : "dis", sta_id);
748 mvmsta->bt_reduced_txpower = enable;
750 ret = iwl_mvm_send_cmd(mvm, &cmd);
756 struct iwl_bt_iterator_data {
757 struct iwl_bt_coex_profile_notif_old *notif;
759 struct ieee80211_chanctx_conf *primary;
760 struct ieee80211_chanctx_conf *secondary;
765 void iwl_mvm_bt_coex_enable_rssi_event(struct iwl_mvm *mvm,
766 struct ieee80211_vif *vif,
767 bool enable, int rssi)
769 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
771 mvmvif->bf_data.last_bt_coex_event = rssi;
772 mvmvif->bf_data.bt_coex_max_thold =
773 enable ? -IWL_MVM_BT_COEX_EN_RED_TXP_THRESH : 0;
774 mvmvif->bf_data.bt_coex_min_thold =
775 enable ? -IWL_MVM_BT_COEX_DIS_RED_TXP_THRESH : 0;
778 /* must be called under rcu_read_lock */
779 static void iwl_mvm_bt_notif_iterator(void *_data, u8 *mac,
780 struct ieee80211_vif *vif)
782 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
783 struct iwl_bt_iterator_data *data = _data;
784 struct iwl_mvm *mvm = data->mvm;
785 struct ieee80211_chanctx_conf *chanctx_conf;
786 enum ieee80211_smps_mode smps_mode;
787 u32 bt_activity_grading;
790 lockdep_assert_held(&mvm->mutex);
793 case NL80211_IFTYPE_STATION:
794 /* default smps_mode for BSS / P2P client is AUTOMATIC */
795 smps_mode = IEEE80211_SMPS_AUTOMATIC;
797 case NL80211_IFTYPE_AP:
798 if (!mvmvif->ap_ibss_active)
805 chanctx_conf = rcu_dereference(vif->chanctx_conf);
807 /* If channel context is invalid or not on 2.4GHz .. */
808 if ((!chanctx_conf ||
809 chanctx_conf->def.chan->band != IEEE80211_BAND_2GHZ)) {
810 if (vif->type == NL80211_IFTYPE_STATION) {
811 /* ... relax constraints and disable rssi events */
812 iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_BT_COEX,
814 iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id,
816 iwl_mvm_bt_coex_enable_rssi_event(mvm, vif, false, 0);
821 bt_activity_grading = le32_to_cpu(data->notif->bt_activity_grading);
822 if (bt_activity_grading >= BT_HIGH_TRAFFIC)
823 smps_mode = IEEE80211_SMPS_STATIC;
824 else if (bt_activity_grading >= BT_LOW_TRAFFIC)
825 smps_mode = vif->type == NL80211_IFTYPE_AP ?
827 IEEE80211_SMPS_DYNAMIC;
829 /* relax SMPS contraints for next association */
830 if (!vif->bss_conf.assoc)
831 smps_mode = IEEE80211_SMPS_AUTOMATIC;
833 IWL_DEBUG_COEX(data->mvm,
834 "mac %d: bt_status %d bt_activity_grading %d smps_req %d\n",
835 mvmvif->id, data->notif->bt_status, bt_activity_grading,
838 if (vif->type == NL80211_IFTYPE_STATION)
839 iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_BT_COEX,
842 /* low latency is always primary */
843 if (iwl_mvm_vif_low_latency(mvmvif)) {
844 data->primary_ll = true;
846 data->secondary = data->primary;
847 data->primary = chanctx_conf;
850 if (vif->type == NL80211_IFTYPE_AP) {
851 if (!mvmvif->ap_ibss_active)
854 if (chanctx_conf == data->primary)
857 if (!data->primary_ll) {
859 * downgrade the current primary no matter what its
862 data->secondary = data->primary;
863 data->primary = chanctx_conf;
865 /* there is low latency vif - we will be secondary */
866 data->secondary = chanctx_conf;
872 * STA / P2P Client, try to be primary if first vif. If we are in low
873 * latency mode, we are already in primary and just don't do much
875 if (!data->primary || data->primary == chanctx_conf)
876 data->primary = chanctx_conf;
877 else if (!data->secondary)
878 /* if secondary is not NULL, it might be a GO */
879 data->secondary = chanctx_conf;
882 * don't reduce the Tx power if one of these is true:
884 * single share antenna product
888 if (iwl_get_coex_type(mvm, vif) == BT_COEX_LOOSE_LUT ||
889 mvm->cfg->bt_shared_single_ant || !vif->bss_conf.assoc ||
890 !data->notif->bt_status) {
891 iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, false);
892 iwl_mvm_bt_coex_enable_rssi_event(mvm, vif, false, 0);
896 /* try to get the avg rssi from fw */
897 ave_rssi = mvmvif->bf_data.ave_beacon_signal;
899 /* if the RSSI isn't valid, fake it is very low */
902 if (ave_rssi > -IWL_MVM_BT_COEX_EN_RED_TXP_THRESH) {
903 if (iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, true))
904 IWL_ERR(mvm, "Couldn't send BT_CONFIG cmd\n");
905 } else if (ave_rssi < -IWL_MVM_BT_COEX_DIS_RED_TXP_THRESH) {
906 if (iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, false))
907 IWL_ERR(mvm, "Couldn't send BT_CONFIG cmd\n");
910 /* Begin to monitor the RSSI: it may influence the reduced Tx power */
911 iwl_mvm_bt_coex_enable_rssi_event(mvm, vif, true, ave_rssi);
914 static void iwl_mvm_bt_coex_notif_handle(struct iwl_mvm *mvm)
916 struct iwl_bt_iterator_data data = {
918 .notif = &mvm->last_bt_notif_old,
920 struct iwl_bt_coex_ci_cmd_old cmd = {};
923 /* Ignore updates if we are in force mode */
924 if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS))
928 ieee80211_iterate_active_interfaces_atomic(
929 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
930 iwl_mvm_bt_notif_iterator, &data);
933 struct ieee80211_chanctx_conf *chan = data.primary;
935 if (WARN_ON(!chan->def.chan)) {
940 if (chan->def.width < NL80211_CHAN_WIDTH_40) {
942 cmd.co_run_bw_primary = 0;
944 cmd.co_run_bw_primary = 1;
945 if (chan->def.center_freq1 >
946 chan->def.chan->center_freq)
953 iwl_ci_mask[chan->def.chan->hw_value][ci_bw_idx];
954 cmd.primary_ch_phy_id = *((u16 *)data.primary->drv_priv);
957 if (data.secondary) {
958 struct ieee80211_chanctx_conf *chan = data.secondary;
960 if (WARN_ON(!data.secondary->def.chan)) {
965 if (chan->def.width < NL80211_CHAN_WIDTH_40) {
967 cmd.co_run_bw_secondary = 0;
969 cmd.co_run_bw_secondary = 1;
970 if (chan->def.center_freq1 >
971 chan->def.chan->center_freq)
977 cmd.bt_secondary_ci =
978 iwl_ci_mask[chan->def.chan->hw_value][ci_bw_idx];
979 cmd.secondary_ch_phy_id = *((u16 *)data.secondary->drv_priv);
984 /* Don't spam the fw with the same command over and over */
985 if (memcmp(&cmd, &mvm->last_bt_ci_cmd_old, sizeof(cmd))) {
986 if (iwl_mvm_send_cmd_pdu(mvm, BT_COEX_CI, 0,
988 IWL_ERR(mvm, "Failed to send BT_CI cmd\n");
989 memcpy(&mvm->last_bt_ci_cmd_old, &cmd, sizeof(cmd));
992 if (iwl_mvm_bt_udpate_ctrl_kill_msk(mvm))
993 IWL_ERR(mvm, "Failed to update the ctrl_kill_msk\n");
996 int iwl_mvm_rx_bt_coex_notif_old(struct iwl_mvm *mvm,
997 struct iwl_rx_cmd_buffer *rxb,
998 struct iwl_device_cmd *dev_cmd)
1000 struct iwl_rx_packet *pkt = rxb_addr(rxb);
1001 struct iwl_bt_coex_profile_notif_old *notif = (void *)pkt->data;
1003 IWL_DEBUG_COEX(mvm, "BT Coex Notification received\n");
1004 IWL_DEBUG_COEX(mvm, "\tBT status: %s\n",
1005 notif->bt_status ? "ON" : "OFF");
1006 IWL_DEBUG_COEX(mvm, "\tBT open conn %d\n", notif->bt_open_conn);
1007 IWL_DEBUG_COEX(mvm, "\tBT ci compliance %d\n", notif->bt_ci_compliance);
1008 IWL_DEBUG_COEX(mvm, "\tBT primary_ch_lut %d\n",
1009 le32_to_cpu(notif->primary_ch_lut));
1010 IWL_DEBUG_COEX(mvm, "\tBT secondary_ch_lut %d\n",
1011 le32_to_cpu(notif->secondary_ch_lut));
1012 IWL_DEBUG_COEX(mvm, "\tBT activity grading %d\n",
1013 le32_to_cpu(notif->bt_activity_grading));
1014 IWL_DEBUG_COEX(mvm, "\tBT agg traffic load %d\n",
1015 notif->bt_agg_traffic_load);
1017 /* remember this notification for future use: rssi fluctuations */
1018 memcpy(&mvm->last_bt_notif_old, notif, sizeof(mvm->last_bt_notif_old));
1020 iwl_mvm_bt_coex_notif_handle(mvm);
1023 * This is an async handler for a notification, returning anything other
1024 * than 0 doesn't make sense even if HCMD failed.
1029 static void iwl_mvm_bt_rssi_iterator(void *_data, u8 *mac,
1030 struct ieee80211_vif *vif)
1032 struct iwl_mvm_vif *mvmvif = (void *)vif->drv_priv;
1033 struct iwl_bt_iterator_data *data = _data;
1034 struct iwl_mvm *mvm = data->mvm;
1036 struct ieee80211_sta *sta;
1037 struct iwl_mvm_sta *mvmsta;
1039 struct ieee80211_chanctx_conf *chanctx_conf;
1042 chanctx_conf = rcu_dereference(vif->chanctx_conf);
1043 /* If channel context is invalid or not on 2.4GHz - don't count it */
1044 if (!chanctx_conf ||
1045 chanctx_conf->def.chan->band != IEEE80211_BAND_2GHZ) {
1051 if (vif->type != NL80211_IFTYPE_STATION ||
1052 mvmvif->ap_sta_id == IWL_MVM_STATION_COUNT)
1055 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[mvmvif->ap_sta_id],
1056 lockdep_is_held(&mvm->mutex));
1058 /* This can happen if the station has been removed right now */
1059 if (IS_ERR_OR_NULL(sta))
1062 mvmsta = iwl_mvm_sta_from_mac80211(sta);
1065 void iwl_mvm_bt_rssi_event_old(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1066 enum ieee80211_rssi_event rssi_event)
1068 struct iwl_mvm_vif *mvmvif = (void *)vif->drv_priv;
1069 struct iwl_bt_iterator_data data = {
1074 lockdep_assert_held(&mvm->mutex);
1076 /* Ignore updates if we are in force mode */
1077 if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS))
1081 * Rssi update while not associated - can happen since the statistics
1082 * are handled asynchronously
1084 if (mvmvif->ap_sta_id == IWL_MVM_STATION_COUNT)
1087 /* No BT - reports should be disabled */
1088 if (!mvm->last_bt_notif_old.bt_status)
1091 IWL_DEBUG_COEX(mvm, "RSSI for %pM is now %s\n", vif->bss_conf.bssid,
1092 rssi_event == RSSI_EVENT_HIGH ? "HIGH" : "LOW");
1095 * Check if rssi is good enough for reduced Tx power, but not in loose
1098 if (rssi_event == RSSI_EVENT_LOW || mvm->cfg->bt_shared_single_ant ||
1099 iwl_get_coex_type(mvm, vif) == BT_COEX_LOOSE_LUT)
1100 ret = iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id,
1103 ret = iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, true);
1106 IWL_ERR(mvm, "couldn't send BT_CONFIG HCMD upon RSSI event\n");
1108 ieee80211_iterate_active_interfaces_atomic(
1109 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
1110 iwl_mvm_bt_rssi_iterator, &data);
1112 if (iwl_mvm_bt_udpate_ctrl_kill_msk(mvm))
1113 IWL_ERR(mvm, "Failed to update the ctrl_kill_msk\n");
1116 #define LINK_QUAL_AGG_TIME_LIMIT_DEF (4000)
1117 #define LINK_QUAL_AGG_TIME_LIMIT_BT_ACT (1200)
1119 u16 iwl_mvm_coex_agg_time_limit_old(struct iwl_mvm *mvm,
1120 struct ieee80211_sta *sta)
1122 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
1123 enum iwl_bt_coex_lut_type lut_type;
1125 if (le32_to_cpu(mvm->last_bt_notif_old.bt_activity_grading) <
1127 return LINK_QUAL_AGG_TIME_LIMIT_DEF;
1129 if (mvm->last_bt_notif_old.ttc_enabled)
1130 return LINK_QUAL_AGG_TIME_LIMIT_DEF;
1132 lut_type = iwl_get_coex_type(mvm, mvmsta->vif);
1134 if (lut_type == BT_COEX_LOOSE_LUT || lut_type == BT_COEX_INVALID_LUT)
1135 return LINK_QUAL_AGG_TIME_LIMIT_DEF;
1137 /* tight coex, high bt traffic, reduce AGG time limit */
1138 return LINK_QUAL_AGG_TIME_LIMIT_BT_ACT;
1141 bool iwl_mvm_bt_coex_is_mimo_allowed_old(struct iwl_mvm *mvm,
1142 struct ieee80211_sta *sta)
1144 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
1145 enum iwl_bt_coex_lut_type lut_type;
1147 if (mvm->last_bt_notif_old.ttc_enabled)
1150 if (le32_to_cpu(mvm->last_bt_notif_old.bt_activity_grading) <
1155 * In Tight / TxTxDis, BT can't Rx while we Tx, so use both antennas
1156 * since BT is already killed.
1157 * In Loose, BT can Rx while we Tx, so forbid MIMO to let BT Rx while
1159 * When we are in 5GHz, we'll get BT_COEX_INVALID_LUT allowing MIMO.
1161 lut_type = iwl_get_coex_type(mvm, mvmsta->vif);
1162 return lut_type != BT_COEX_LOOSE_LUT;
1165 bool iwl_mvm_bt_coex_is_shared_ant_avail_old(struct iwl_mvm *mvm)
1167 u32 ag = le32_to_cpu(mvm->last_bt_notif_old.bt_activity_grading);
1168 return ag == BT_OFF;
1171 bool iwl_mvm_bt_coex_is_tpc_allowed_old(struct iwl_mvm *mvm,
1172 enum ieee80211_band band)
1175 le32_to_cpu(mvm->last_bt_notif_old.bt_activity_grading);
1177 if (band != IEEE80211_BAND_2GHZ)
1180 return bt_activity >= BT_LOW_TRAFFIC;
1183 void iwl_mvm_bt_coex_vif_change_old(struct iwl_mvm *mvm)
1185 iwl_mvm_bt_coex_notif_handle(mvm);
1188 int iwl_mvm_rx_ant_coupling_notif_old(struct iwl_mvm *mvm,
1189 struct iwl_rx_cmd_buffer *rxb,
1190 struct iwl_device_cmd *dev_cmd)
1192 struct iwl_rx_packet *pkt = rxb_addr(rxb);
1193 u32 ant_isolation = le32_to_cpup((void *)pkt->data);
1194 u8 __maybe_unused lower_bound, upper_bound;
1198 struct iwl_bt_coex_cmd_old *bt_cmd;
1199 struct iwl_host_cmd cmd = {
1201 .len = { sizeof(*bt_cmd), },
1202 .dataflags = { IWL_HCMD_DFL_NOCOPY, },
1205 if (!IWL_MVM_BT_COEX_CORUNNING)
1208 lockdep_assert_held(&mvm->mutex);
1210 /* Ignore updates if we are in force mode */
1211 if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS))
1214 if (ant_isolation == mvm->last_ant_isol)
1217 for (lut = 0; lut < ARRAY_SIZE(antenna_coupling_ranges) - 1; lut++)
1218 if (ant_isolation < antenna_coupling_ranges[lut + 1].range)
1221 lower_bound = antenna_coupling_ranges[lut].range;
1223 if (lut < ARRAY_SIZE(antenna_coupling_ranges) - 1)
1224 upper_bound = antenna_coupling_ranges[lut + 1].range;
1226 upper_bound = antenna_coupling_ranges[lut].range;
1228 IWL_DEBUG_COEX(mvm, "Antenna isolation=%d in range [%d,%d[, lut=%d\n",
1229 ant_isolation, lower_bound, upper_bound, lut);
1231 mvm->last_ant_isol = ant_isolation;
1233 if (mvm->last_corun_lut == lut)
1236 mvm->last_corun_lut = lut;
1238 bt_cmd = kzalloc(sizeof(*bt_cmd), GFP_KERNEL);
1241 cmd.data[0] = bt_cmd;
1243 bt_cmd->flags = cpu_to_le32(BT_COEX_NW_OLD);
1244 bt_cmd->valid_bit_msk |= cpu_to_le32(BT_VALID_ENABLE |
1245 BT_VALID_CORUN_LUT_20 |
1246 BT_VALID_CORUN_LUT_40);
1248 /* For the moment, use the same LUT for 20GHz and 40GHz */
1249 memcpy(bt_cmd->bt4_corun_lut20, antenna_coupling_ranges[lut].lut20,
1250 sizeof(bt_cmd->bt4_corun_lut20));
1252 memcpy(bt_cmd->bt4_corun_lut40, antenna_coupling_ranges[lut].lut20,
1253 sizeof(bt_cmd->bt4_corun_lut40));
1255 ret = iwl_mvm_send_cmd(mvm, &cmd);