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 EVENT_PRIO_ANT(_evt, _prio, _shrd_ant) \
74 [(_evt)] = (((_prio) << BT_COEX_PRIO_TBL_PRIO_POS) | \
75 ((_shrd_ant) << BT_COEX_PRIO_TBL_SHRD_ANT_POS))
77 static const u8 iwl_bt_prio_tbl[BT_COEX_PRIO_TBL_EVT_MAX] = {
78 EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_INIT_CALIB1,
79 BT_COEX_PRIO_TBL_PRIO_BYPASS, 0),
80 EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_INIT_CALIB2,
81 BT_COEX_PRIO_TBL_PRIO_BYPASS, 1),
82 EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_PERIODIC_CALIB_LOW1,
83 BT_COEX_PRIO_TBL_PRIO_LOW, 0),
84 EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_PERIODIC_CALIB_LOW2,
85 BT_COEX_PRIO_TBL_PRIO_LOW, 1),
86 EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_PERIODIC_CALIB_HIGH1,
87 BT_COEX_PRIO_TBL_PRIO_HIGH, 0),
88 EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_PERIODIC_CALIB_HIGH2,
89 BT_COEX_PRIO_TBL_PRIO_HIGH, 1),
90 EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_DTIM,
91 BT_COEX_PRIO_TBL_DISABLED, 0),
92 EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_SCAN52,
93 BT_COEX_PRIO_TBL_PRIO_COEX_OFF, 0),
94 EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_SCAN24,
95 BT_COEX_PRIO_TBL_PRIO_COEX_ON, 0),
96 EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_IDLE,
97 BT_COEX_PRIO_TBL_PRIO_COEX_IDLE, 0),
101 #undef EVENT_PRIO_ANT
103 #define BT_ANTENNA_COUPLING_THRESHOLD (30)
105 static int iwl_send_bt_prio_tbl(struct iwl_mvm *mvm)
107 if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS))
110 return iwl_mvm_send_cmd_pdu(mvm, BT_COEX_PRIO_TABLE, 0,
111 sizeof(struct iwl_bt_coex_prio_tbl_cmd),
115 static const __le32 iwl_bt_prio_boost[BT_COEX_BOOST_SIZE] = {
116 cpu_to_le32(0xf0f0f0f0), /* 50% */
117 cpu_to_le32(0xc0c0c0c0), /* 25% */
118 cpu_to_le32(0xfcfcfcfc), /* 75% */
119 cpu_to_le32(0xfefefefe), /* 87.5% */
122 static const __le32 iwl_single_shared_ant[BT_COEX_MAX_LUT][BT_COEX_LUT_SIZE] = {
124 cpu_to_le32(0x40000000),
125 cpu_to_le32(0x00000000),
126 cpu_to_le32(0x44000000),
127 cpu_to_le32(0x00000000),
128 cpu_to_le32(0x40000000),
129 cpu_to_le32(0x00000000),
130 cpu_to_le32(0x44000000),
131 cpu_to_le32(0x00000000),
132 cpu_to_le32(0xc0004000),
133 cpu_to_le32(0xf0005000),
134 cpu_to_le32(0xc0004000),
135 cpu_to_le32(0xf0005000),
138 cpu_to_le32(0x40000000),
139 cpu_to_le32(0x00000000),
140 cpu_to_le32(0x44000000),
141 cpu_to_le32(0x00000000),
142 cpu_to_le32(0x40000000),
143 cpu_to_le32(0x00000000),
144 cpu_to_le32(0x44000000),
145 cpu_to_le32(0x00000000),
146 cpu_to_le32(0xc0004000),
147 cpu_to_le32(0xf0005000),
148 cpu_to_le32(0xc0004000),
149 cpu_to_le32(0xf0005000),
152 cpu_to_le32(0x40000000),
153 cpu_to_le32(0x00000000),
154 cpu_to_le32(0x44000000),
155 cpu_to_le32(0x00000000),
156 cpu_to_le32(0x40000000),
157 cpu_to_le32(0x00000000),
158 cpu_to_le32(0x44000000),
159 cpu_to_le32(0x00000000),
160 cpu_to_le32(0xc0004000),
161 cpu_to_le32(0xf0005000),
162 cpu_to_le32(0xc0004000),
163 cpu_to_le32(0xf0005000),
167 static const __le32 iwl_combined_lookup[BT_COEX_MAX_LUT][BT_COEX_LUT_SIZE] = {
170 cpu_to_le32(0xaaaaaaaa),
171 cpu_to_le32(0xaaaaaaaa),
172 cpu_to_le32(0xaeaaaaaa),
173 cpu_to_le32(0xaaaaaaaa),
174 cpu_to_le32(0xcc00ff28),
175 cpu_to_le32(0x0000aaaa),
176 cpu_to_le32(0xcc00aaaa),
177 cpu_to_le32(0x0000aaaa),
178 cpu_to_le32(0xc0004000),
179 cpu_to_le32(0x00004000),
180 cpu_to_le32(0xf0005000),
181 cpu_to_le32(0xf0005000),
185 cpu_to_le32(0xaaaaaaaa),
186 cpu_to_le32(0xaaaaaaaa),
187 cpu_to_le32(0xaaaaaaaa),
188 cpu_to_le32(0xaaaaaaaa),
189 cpu_to_le32(0xcc00ff28),
190 cpu_to_le32(0x0000aaaa),
191 cpu_to_le32(0xcc00aaaa),
192 cpu_to_le32(0x0000aaaa),
193 cpu_to_le32(0x00000000),
194 cpu_to_le32(0x00000000),
195 cpu_to_le32(0xf0005000),
196 cpu_to_le32(0xf0005000),
200 cpu_to_le32(0xaaaaaaaa),
201 cpu_to_le32(0xaaaaaaaa),
202 cpu_to_le32(0xeeaaaaaa),
203 cpu_to_le32(0xaaaaaaaa),
204 cpu_to_le32(0xcc00ff28),
205 cpu_to_le32(0x0000aaaa),
206 cpu_to_le32(0xcc00aaaa),
207 cpu_to_le32(0x0000aaaa),
208 cpu_to_le32(0xc0004000),
209 cpu_to_le32(0xc0004000),
210 cpu_to_le32(0xf0005000),
211 cpu_to_le32(0xf0005000),
215 /* 20MHz / 40MHz below / 40Mhz above*/
216 static const __le64 iwl_ci_mask[][3] = {
217 /* dummy entry for channel 0 */
218 {cpu_to_le64(0), cpu_to_le64(0), cpu_to_le64(0)},
220 cpu_to_le64(0x0000001FFFULL),
222 cpu_to_le64(0x00007FFFFFULL),
225 cpu_to_le64(0x000000FFFFULL),
227 cpu_to_le64(0x0003FFFFFFULL),
230 cpu_to_le64(0x000003FFFCULL),
232 cpu_to_le64(0x000FFFFFFCULL),
235 cpu_to_le64(0x00001FFFE0ULL),
237 cpu_to_le64(0x007FFFFFE0ULL),
240 cpu_to_le64(0x00007FFF80ULL),
241 cpu_to_le64(0x00007FFFFFULL),
242 cpu_to_le64(0x01FFFFFF80ULL),
245 cpu_to_le64(0x0003FFFC00ULL),
246 cpu_to_le64(0x0003FFFFFFULL),
247 cpu_to_le64(0x0FFFFFFC00ULL),
250 cpu_to_le64(0x000FFFF000ULL),
251 cpu_to_le64(0x000FFFFFFCULL),
252 cpu_to_le64(0x3FFFFFF000ULL),
255 cpu_to_le64(0x007FFF8000ULL),
256 cpu_to_le64(0x007FFFFFE0ULL),
257 cpu_to_le64(0xFFFFFF8000ULL),
260 cpu_to_le64(0x01FFFE0000ULL),
261 cpu_to_le64(0x01FFFFFF80ULL),
262 cpu_to_le64(0xFFFFFE0000ULL),
265 cpu_to_le64(0x0FFFF00000ULL),
266 cpu_to_le64(0x0FFFFFFC00ULL),
270 cpu_to_le64(0x3FFFC00000ULL),
271 cpu_to_le64(0x3FFFFFF000ULL),
275 cpu_to_le64(0xFFFE000000ULL),
276 cpu_to_le64(0xFFFFFF8000ULL),
280 cpu_to_le64(0xFFF8000000ULL),
281 cpu_to_le64(0xFFFFFE0000ULL),
285 cpu_to_le64(0xFFC0000000ULL),
291 static const __le32 iwl_bt_mprio_lut[BT_COEX_MULTI_PRIO_LUT_SIZE] = {
292 cpu_to_le32(0x28412201),
293 cpu_to_le32(0x11118451),
296 struct corunning_block_luts {
298 __le32 lut20[BT_COEX_CORUN_LUT_SIZE];
302 * Ranges for the antenna coupling calibration / co-running block LUT:
313 static const struct corunning_block_luts antenna_coupling_ranges[] = {
317 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
318 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
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),
338 cpu_to_le32(0x00000001), 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),
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),
359 cpu_to_le32(0x00000002), 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),
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),
380 cpu_to_le32(0x00000003), 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),
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),
401 cpu_to_le32(0x00000004), 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),
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),
422 cpu_to_le32(0x00000005), 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),
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),
443 cpu_to_le32(0x00000006), 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),
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),
464 cpu_to_le32(0x00000007), 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),
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),
485 cpu_to_le32(0x00000008), 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),
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),
505 static enum iwl_bt_coex_lut_type
506 iwl_get_coex_type(struct iwl_mvm *mvm, const struct ieee80211_vif *vif)
508 struct ieee80211_chanctx_conf *chanctx_conf;
509 enum iwl_bt_coex_lut_type ret;
513 * Checking that we hold mvm->mutex is a good idea, but the rate
514 * control can't acquire the mutex since it runs in Tx path.
515 * So this is racy in that case, but in the worst case, the AMPDU
516 * size limit will be wrong for a short time which is not a big
522 chanctx_conf = rcu_dereference(vif->chanctx_conf);
525 chanctx_conf->def.chan->band != IEEE80211_BAND_2GHZ) {
527 return BT_COEX_INVALID_LUT;
530 ret = BT_COEX_TX_DIS_LUT;
532 if (mvm->cfg->bt_shared_single_ant) {
537 phy_ctx_id = *((u16 *)chanctx_conf->drv_priv);
539 if (mvm->last_bt_ci_cmd_old.primary_ch_phy_id == phy_ctx_id)
540 ret = le32_to_cpu(mvm->last_bt_notif_old.primary_ch_lut);
541 else if (mvm->last_bt_ci_cmd_old.secondary_ch_phy_id == phy_ctx_id)
542 ret = le32_to_cpu(mvm->last_bt_notif_old.secondary_ch_lut);
543 /* else - default = TX TX disallowed */
550 int iwl_send_bt_init_conf_old(struct iwl_mvm *mvm)
552 struct iwl_bt_coex_cmd_old *bt_cmd;
553 struct iwl_host_cmd cmd = {
555 .len = { sizeof(*bt_cmd), },
556 .dataflags = { IWL_HCMD_DFL_NOCOPY, },
561 ret = iwl_send_bt_prio_tbl(mvm);
565 bt_cmd = kzalloc(sizeof(*bt_cmd), GFP_KERNEL);
568 cmd.data[0] = bt_cmd;
570 lockdep_assert_held(&mvm->mutex);
572 if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS)) {
573 switch (mvm->bt_force_ant_mode) {
574 case BT_FORCE_ANT_AUTO:
575 flags = BT_COEX_AUTO_OLD;
577 case BT_FORCE_ANT_BT:
578 flags = BT_COEX_BT_OLD;
580 case BT_FORCE_ANT_WIFI:
581 flags = BT_COEX_WIFI_OLD;
588 bt_cmd->flags = cpu_to_le32(flags);
589 bt_cmd->valid_bit_msk = cpu_to_le32(BT_VALID_ENABLE);
593 bt_cmd->max_kill = 5;
594 bt_cmd->bt4_antenna_isolation_thr = BT_ANTENNA_COUPLING_THRESHOLD;
595 bt_cmd->bt4_antenna_isolation = iwlwifi_mod_params.ant_coupling;
596 bt_cmd->bt4_tx_tx_delta_freq_thr = 15;
597 bt_cmd->bt4_tx_rx_max_freq0 = 15;
598 bt_cmd->override_primary_lut = BT_COEX_INVALID_LUT;
599 bt_cmd->override_secondary_lut = BT_COEX_INVALID_LUT;
601 flags = iwlwifi_mod_params.bt_coex_active ?
602 BT_COEX_NW_OLD : BT_COEX_DISABLE_OLD;
603 bt_cmd->flags = cpu_to_le32(flags);
605 bt_cmd->valid_bit_msk = cpu_to_le32(BT_VALID_ENABLE |
606 BT_VALID_BT_PRIO_BOOST |
611 BT_VALID_REDUCED_TX_POWER |
613 BT_VALID_WIFI_RX_SW_PRIO_BOOST |
614 BT_VALID_WIFI_TX_SW_PRIO_BOOST |
615 BT_VALID_ANT_ISOLATION |
616 BT_VALID_ANT_ISOLATION_THRS |
617 BT_VALID_TXTX_DELTA_FREQ_THRS |
618 BT_VALID_TXRX_MAX_FREQ_0 |
619 BT_VALID_SYNC_TO_SCO);
621 if (IWL_MVM_BT_COEX_SYNC2SCO)
622 bt_cmd->flags |= cpu_to_le32(BT_COEX_SYNC2SCO);
624 if (IWL_MVM_BT_COEX_CORUNNING) {
625 bt_cmd->valid_bit_msk |= cpu_to_le32(BT_VALID_CORUN_LUT_20 |
626 BT_VALID_CORUN_LUT_40);
627 bt_cmd->flags |= cpu_to_le32(BT_COEX_CORUNNING);
630 if (IWL_MVM_BT_COEX_MPLUT) {
631 bt_cmd->flags |= cpu_to_le32(BT_COEX_MPLUT);
632 bt_cmd->valid_bit_msk |= cpu_to_le32(BT_VALID_MULTI_PRIO_LUT);
635 if (mvm->cfg->bt_shared_single_ant)
636 memcpy(&bt_cmd->decision_lut, iwl_single_shared_ant,
637 sizeof(iwl_single_shared_ant));
639 memcpy(&bt_cmd->decision_lut, iwl_combined_lookup,
640 sizeof(iwl_combined_lookup));
642 /* Take first Co-running block LUT to get started */
643 memcpy(bt_cmd->bt4_corun_lut20, antenna_coupling_ranges[0].lut20,
644 sizeof(bt_cmd->bt4_corun_lut20));
645 memcpy(bt_cmd->bt4_corun_lut40, antenna_coupling_ranges[0].lut20,
646 sizeof(bt_cmd->bt4_corun_lut40));
648 memcpy(&bt_cmd->bt_prio_boost, iwl_bt_prio_boost,
649 sizeof(iwl_bt_prio_boost));
650 memcpy(&bt_cmd->bt4_multiprio_lut, iwl_bt_mprio_lut,
651 sizeof(iwl_bt_mprio_lut));
654 memset(&mvm->last_bt_notif_old, 0, sizeof(mvm->last_bt_notif_old));
655 memset(&mvm->last_bt_ci_cmd_old, 0, sizeof(mvm->last_bt_ci_cmd_old));
657 ret = iwl_mvm_send_cmd(mvm, &cmd);
663 static int iwl_mvm_bt_udpate_ctrl_kill_msk(struct iwl_mvm *mvm)
665 struct iwl_bt_coex_profile_notif_old *notif = &mvm->last_bt_notif_old;
666 u32 primary_lut = le32_to_cpu(notif->primary_ch_lut);
667 u32 ag = le32_to_cpu(notif->bt_activity_grading);
668 struct iwl_bt_coex_cmd_old *bt_cmd;
669 u8 ack_kill_msk, cts_kill_msk;
670 struct iwl_host_cmd cmd = {
673 .len = { sizeof(*bt_cmd), },
674 .dataflags = { IWL_HCMD_DFL_NOCOPY, },
678 lockdep_assert_held(&mvm->mutex);
680 ack_kill_msk = iwl_bt_ack_kill_msk[ag][primary_lut];
681 cts_kill_msk = iwl_bt_cts_kill_msk[ag][primary_lut];
683 if (mvm->bt_ack_kill_msk[0] == ack_kill_msk &&
684 mvm->bt_cts_kill_msk[0] == cts_kill_msk)
687 mvm->bt_ack_kill_msk[0] = ack_kill_msk;
688 mvm->bt_cts_kill_msk[0] = cts_kill_msk;
690 bt_cmd = kzalloc(sizeof(*bt_cmd), GFP_KERNEL);
693 cmd.data[0] = bt_cmd;
694 bt_cmd->flags = cpu_to_le32(BT_COEX_NW_OLD);
696 bt_cmd->kill_ack_msk = cpu_to_le32(iwl_bt_ctl_kill_msk[ack_kill_msk]);
697 bt_cmd->kill_cts_msk = cpu_to_le32(iwl_bt_ctl_kill_msk[cts_kill_msk]);
698 bt_cmd->valid_bit_msk |= cpu_to_le32(BT_VALID_ENABLE |
702 ret = iwl_mvm_send_cmd(mvm, &cmd);
708 static int iwl_mvm_bt_coex_reduced_txp(struct iwl_mvm *mvm, u8 sta_id,
711 struct iwl_bt_coex_cmd_old *bt_cmd;
712 /* Send ASYNC since this can be sent from an atomic context */
713 struct iwl_host_cmd cmd = {
715 .len = { sizeof(*bt_cmd), },
716 .dataflags = { IWL_HCMD_DFL_NOCOPY, },
719 struct iwl_mvm_sta *mvmsta;
722 mvmsta = iwl_mvm_sta_from_staid_protected(mvm, sta_id);
727 if (mvmsta->bt_reduced_txpower == enable)
730 bt_cmd = kzalloc(sizeof(*bt_cmd), GFP_ATOMIC);
733 cmd.data[0] = bt_cmd;
734 bt_cmd->flags = cpu_to_le32(BT_COEX_NW_OLD);
736 bt_cmd->valid_bit_msk =
737 cpu_to_le32(BT_VALID_ENABLE | BT_VALID_REDUCED_TX_POWER);
738 bt_cmd->bt_reduced_tx_power = sta_id;
741 bt_cmd->bt_reduced_tx_power |= BT_REDUCED_TX_POWER_BIT;
743 IWL_DEBUG_COEX(mvm, "%sable reduced Tx Power for sta %d\n",
744 enable ? "en" : "dis", sta_id);
746 mvmsta->bt_reduced_txpower = enable;
748 ret = iwl_mvm_send_cmd(mvm, &cmd);
754 struct iwl_bt_iterator_data {
755 struct iwl_bt_coex_profile_notif_old *notif;
757 struct ieee80211_chanctx_conf *primary;
758 struct ieee80211_chanctx_conf *secondary;
763 void iwl_mvm_bt_coex_enable_rssi_event(struct iwl_mvm *mvm,
764 struct ieee80211_vif *vif,
765 bool enable, int rssi)
767 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
769 mvmvif->bf_data.last_bt_coex_event = rssi;
770 mvmvif->bf_data.bt_coex_max_thold =
771 enable ? -IWL_MVM_BT_COEX_EN_RED_TXP_THRESH : 0;
772 mvmvif->bf_data.bt_coex_min_thold =
773 enable ? -IWL_MVM_BT_COEX_DIS_RED_TXP_THRESH : 0;
776 /* must be called under rcu_read_lock */
777 static void iwl_mvm_bt_notif_iterator(void *_data, u8 *mac,
778 struct ieee80211_vif *vif)
780 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
781 struct iwl_bt_iterator_data *data = _data;
782 struct iwl_mvm *mvm = data->mvm;
783 struct ieee80211_chanctx_conf *chanctx_conf;
784 enum ieee80211_smps_mode smps_mode;
785 u32 bt_activity_grading;
788 lockdep_assert_held(&mvm->mutex);
791 case NL80211_IFTYPE_STATION:
792 /* default smps_mode for BSS / P2P client is AUTOMATIC */
793 smps_mode = IEEE80211_SMPS_AUTOMATIC;
795 case NL80211_IFTYPE_AP:
796 if (!mvmvif->ap_ibss_active)
803 chanctx_conf = rcu_dereference(vif->chanctx_conf);
805 /* If channel context is invalid or not on 2.4GHz .. */
806 if ((!chanctx_conf ||
807 chanctx_conf->def.chan->band != IEEE80211_BAND_2GHZ)) {
808 if (vif->type == NL80211_IFTYPE_STATION) {
809 /* ... relax constraints and disable rssi events */
810 iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_BT_COEX,
812 iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id,
814 iwl_mvm_bt_coex_enable_rssi_event(mvm, vif, false, 0);
819 bt_activity_grading = le32_to_cpu(data->notif->bt_activity_grading);
820 if (bt_activity_grading >= BT_HIGH_TRAFFIC)
821 smps_mode = IEEE80211_SMPS_STATIC;
822 else if (bt_activity_grading >= BT_LOW_TRAFFIC)
823 smps_mode = vif->type == NL80211_IFTYPE_AP ?
825 IEEE80211_SMPS_DYNAMIC;
827 /* relax SMPS contraints for next association */
828 if (!vif->bss_conf.assoc)
829 smps_mode = IEEE80211_SMPS_AUTOMATIC;
831 IWL_DEBUG_COEX(data->mvm,
832 "mac %d: bt_status %d bt_activity_grading %d smps_req %d\n",
833 mvmvif->id, data->notif->bt_status, bt_activity_grading,
836 if (vif->type == NL80211_IFTYPE_STATION)
837 iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_BT_COEX,
840 /* low latency is always primary */
841 if (iwl_mvm_vif_low_latency(mvmvif)) {
842 data->primary_ll = true;
844 data->secondary = data->primary;
845 data->primary = chanctx_conf;
848 if (vif->type == NL80211_IFTYPE_AP) {
849 if (!mvmvif->ap_ibss_active)
852 if (chanctx_conf == data->primary)
855 if (!data->primary_ll) {
857 * downgrade the current primary no matter what its
860 data->secondary = data->primary;
861 data->primary = chanctx_conf;
863 /* there is low latency vif - we will be secondary */
864 data->secondary = chanctx_conf;
870 * STA / P2P Client, try to be primary if first vif. If we are in low
871 * latency mode, we are already in primary and just don't do much
873 if (!data->primary || data->primary == chanctx_conf)
874 data->primary = chanctx_conf;
875 else if (!data->secondary)
876 /* if secondary is not NULL, it might be a GO */
877 data->secondary = chanctx_conf;
880 * don't reduce the Tx power if one of these is true:
882 * single share antenna product
886 if (iwl_get_coex_type(mvm, vif) == BT_COEX_LOOSE_LUT ||
887 mvm->cfg->bt_shared_single_ant || !vif->bss_conf.assoc ||
888 !data->notif->bt_status) {
889 iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, false);
890 iwl_mvm_bt_coex_enable_rssi_event(mvm, vif, false, 0);
894 /* try to get the avg rssi from fw */
895 ave_rssi = mvmvif->bf_data.ave_beacon_signal;
897 /* if the RSSI isn't valid, fake it is very low */
900 if (ave_rssi > -IWL_MVM_BT_COEX_EN_RED_TXP_THRESH) {
901 if (iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, true))
902 IWL_ERR(mvm, "Couldn't send BT_CONFIG cmd\n");
903 } else if (ave_rssi < -IWL_MVM_BT_COEX_DIS_RED_TXP_THRESH) {
904 if (iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, false))
905 IWL_ERR(mvm, "Couldn't send BT_CONFIG cmd\n");
908 /* Begin to monitor the RSSI: it may influence the reduced Tx power */
909 iwl_mvm_bt_coex_enable_rssi_event(mvm, vif, true, ave_rssi);
912 static void iwl_mvm_bt_coex_notif_handle(struct iwl_mvm *mvm)
914 struct iwl_bt_iterator_data data = {
916 .notif = &mvm->last_bt_notif_old,
918 struct iwl_bt_coex_ci_cmd_old cmd = {};
921 /* Ignore updates if we are in force mode */
922 if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS))
926 ieee80211_iterate_active_interfaces_atomic(
927 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
928 iwl_mvm_bt_notif_iterator, &data);
931 struct ieee80211_chanctx_conf *chan = data.primary;
933 if (WARN_ON(!chan->def.chan)) {
938 if (chan->def.width < NL80211_CHAN_WIDTH_40) {
940 cmd.co_run_bw_primary = 0;
942 cmd.co_run_bw_primary = 1;
943 if (chan->def.center_freq1 >
944 chan->def.chan->center_freq)
951 iwl_ci_mask[chan->def.chan->hw_value][ci_bw_idx];
952 cmd.primary_ch_phy_id = *((u16 *)data.primary->drv_priv);
955 if (data.secondary) {
956 struct ieee80211_chanctx_conf *chan = data.secondary;
958 if (WARN_ON(!data.secondary->def.chan)) {
963 if (chan->def.width < NL80211_CHAN_WIDTH_40) {
965 cmd.co_run_bw_secondary = 0;
967 cmd.co_run_bw_secondary = 1;
968 if (chan->def.center_freq1 >
969 chan->def.chan->center_freq)
975 cmd.bt_secondary_ci =
976 iwl_ci_mask[chan->def.chan->hw_value][ci_bw_idx];
977 cmd.secondary_ch_phy_id = *((u16 *)data.secondary->drv_priv);
982 /* Don't spam the fw with the same command over and over */
983 if (memcmp(&cmd, &mvm->last_bt_ci_cmd_old, sizeof(cmd))) {
984 if (iwl_mvm_send_cmd_pdu(mvm, BT_COEX_CI, 0,
986 IWL_ERR(mvm, "Failed to send BT_CI cmd\n");
987 memcpy(&mvm->last_bt_ci_cmd_old, &cmd, sizeof(cmd));
990 if (iwl_mvm_bt_udpate_ctrl_kill_msk(mvm))
991 IWL_ERR(mvm, "Failed to update the ctrl_kill_msk\n");
994 int iwl_mvm_rx_bt_coex_notif_old(struct iwl_mvm *mvm,
995 struct iwl_rx_cmd_buffer *rxb,
996 struct iwl_device_cmd *dev_cmd)
998 struct iwl_rx_packet *pkt = rxb_addr(rxb);
999 struct iwl_bt_coex_profile_notif_old *notif = (void *)pkt->data;
1001 IWL_DEBUG_COEX(mvm, "BT Coex Notification received\n");
1002 IWL_DEBUG_COEX(mvm, "\tBT status: %s\n",
1003 notif->bt_status ? "ON" : "OFF");
1004 IWL_DEBUG_COEX(mvm, "\tBT open conn %d\n", notif->bt_open_conn);
1005 IWL_DEBUG_COEX(mvm, "\tBT ci compliance %d\n", notif->bt_ci_compliance);
1006 IWL_DEBUG_COEX(mvm, "\tBT primary_ch_lut %d\n",
1007 le32_to_cpu(notif->primary_ch_lut));
1008 IWL_DEBUG_COEX(mvm, "\tBT secondary_ch_lut %d\n",
1009 le32_to_cpu(notif->secondary_ch_lut));
1010 IWL_DEBUG_COEX(mvm, "\tBT activity grading %d\n",
1011 le32_to_cpu(notif->bt_activity_grading));
1012 IWL_DEBUG_COEX(mvm, "\tBT agg traffic load %d\n",
1013 notif->bt_agg_traffic_load);
1015 /* remember this notification for future use: rssi fluctuations */
1016 memcpy(&mvm->last_bt_notif_old, notif, sizeof(mvm->last_bt_notif_old));
1018 iwl_mvm_bt_coex_notif_handle(mvm);
1021 * This is an async handler for a notification, returning anything other
1022 * than 0 doesn't make sense even if HCMD failed.
1027 static void iwl_mvm_bt_rssi_iterator(void *_data, u8 *mac,
1028 struct ieee80211_vif *vif)
1030 struct iwl_mvm_vif *mvmvif = (void *)vif->drv_priv;
1031 struct iwl_bt_iterator_data *data = _data;
1032 struct iwl_mvm *mvm = data->mvm;
1034 struct ieee80211_sta *sta;
1035 struct iwl_mvm_sta *mvmsta;
1037 struct ieee80211_chanctx_conf *chanctx_conf;
1040 chanctx_conf = rcu_dereference(vif->chanctx_conf);
1041 /* If channel context is invalid or not on 2.4GHz - don't count it */
1042 if (!chanctx_conf ||
1043 chanctx_conf->def.chan->band != IEEE80211_BAND_2GHZ) {
1049 if (vif->type != NL80211_IFTYPE_STATION ||
1050 mvmvif->ap_sta_id == IWL_MVM_STATION_COUNT)
1053 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[mvmvif->ap_sta_id],
1054 lockdep_is_held(&mvm->mutex));
1056 /* This can happen if the station has been removed right now */
1057 if (IS_ERR_OR_NULL(sta))
1060 mvmsta = iwl_mvm_sta_from_mac80211(sta);
1063 void iwl_mvm_bt_rssi_event_old(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1064 enum ieee80211_rssi_event rssi_event)
1066 struct iwl_mvm_vif *mvmvif = (void *)vif->drv_priv;
1067 struct iwl_bt_iterator_data data = {
1072 lockdep_assert_held(&mvm->mutex);
1074 /* Ignore updates if we are in force mode */
1075 if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS))
1079 * Rssi update while not associated - can happen since the statistics
1080 * are handled asynchronously
1082 if (mvmvif->ap_sta_id == IWL_MVM_STATION_COUNT)
1085 /* No BT - reports should be disabled */
1086 if (!mvm->last_bt_notif_old.bt_status)
1089 IWL_DEBUG_COEX(mvm, "RSSI for %pM is now %s\n", vif->bss_conf.bssid,
1090 rssi_event == RSSI_EVENT_HIGH ? "HIGH" : "LOW");
1093 * Check if rssi is good enough for reduced Tx power, but not in loose
1096 if (rssi_event == RSSI_EVENT_LOW || mvm->cfg->bt_shared_single_ant ||
1097 iwl_get_coex_type(mvm, vif) == BT_COEX_LOOSE_LUT)
1098 ret = iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id,
1101 ret = iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, true);
1104 IWL_ERR(mvm, "couldn't send BT_CONFIG HCMD upon RSSI event\n");
1106 ieee80211_iterate_active_interfaces_atomic(
1107 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
1108 iwl_mvm_bt_rssi_iterator, &data);
1110 if (iwl_mvm_bt_udpate_ctrl_kill_msk(mvm))
1111 IWL_ERR(mvm, "Failed to update the ctrl_kill_msk\n");
1114 #define LINK_QUAL_AGG_TIME_LIMIT_DEF (4000)
1115 #define LINK_QUAL_AGG_TIME_LIMIT_BT_ACT (1200)
1117 u16 iwl_mvm_coex_agg_time_limit_old(struct iwl_mvm *mvm,
1118 struct ieee80211_sta *sta)
1120 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
1121 enum iwl_bt_coex_lut_type lut_type;
1123 if (le32_to_cpu(mvm->last_bt_notif_old.bt_activity_grading) <
1125 return LINK_QUAL_AGG_TIME_LIMIT_DEF;
1127 if (mvm->last_bt_notif_old.ttc_enabled)
1128 return LINK_QUAL_AGG_TIME_LIMIT_DEF;
1130 lut_type = iwl_get_coex_type(mvm, mvmsta->vif);
1132 if (lut_type == BT_COEX_LOOSE_LUT || lut_type == BT_COEX_INVALID_LUT)
1133 return LINK_QUAL_AGG_TIME_LIMIT_DEF;
1135 /* tight coex, high bt traffic, reduce AGG time limit */
1136 return LINK_QUAL_AGG_TIME_LIMIT_BT_ACT;
1139 bool iwl_mvm_bt_coex_is_mimo_allowed_old(struct iwl_mvm *mvm,
1140 struct ieee80211_sta *sta)
1142 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
1143 enum iwl_bt_coex_lut_type lut_type;
1145 if (mvm->last_bt_notif_old.ttc_enabled)
1148 if (le32_to_cpu(mvm->last_bt_notif_old.bt_activity_grading) <
1153 * In Tight / TxTxDis, BT can't Rx while we Tx, so use both antennas
1154 * since BT is already killed.
1155 * In Loose, BT can Rx while we Tx, so forbid MIMO to let BT Rx while
1157 * When we are in 5GHz, we'll get BT_COEX_INVALID_LUT allowing MIMO.
1159 lut_type = iwl_get_coex_type(mvm, mvmsta->vif);
1160 return lut_type != BT_COEX_LOOSE_LUT;
1163 bool iwl_mvm_bt_coex_is_shared_ant_avail_old(struct iwl_mvm *mvm)
1165 u32 ag = le32_to_cpu(mvm->last_bt_notif_old.bt_activity_grading);
1166 return ag == BT_OFF;
1169 bool iwl_mvm_bt_coex_is_tpc_allowed_old(struct iwl_mvm *mvm,
1170 enum ieee80211_band band)
1173 le32_to_cpu(mvm->last_bt_notif_old.bt_activity_grading);
1175 if (band != IEEE80211_BAND_2GHZ)
1178 return bt_activity >= BT_LOW_TRAFFIC;
1181 void iwl_mvm_bt_coex_vif_change_old(struct iwl_mvm *mvm)
1183 iwl_mvm_bt_coex_notif_handle(mvm);
1186 int iwl_mvm_rx_ant_coupling_notif_old(struct iwl_mvm *mvm,
1187 struct iwl_rx_cmd_buffer *rxb,
1188 struct iwl_device_cmd *dev_cmd)
1190 struct iwl_rx_packet *pkt = rxb_addr(rxb);
1191 u32 ant_isolation = le32_to_cpup((void *)pkt->data);
1192 u8 __maybe_unused lower_bound, upper_bound;
1196 struct iwl_bt_coex_cmd_old *bt_cmd;
1197 struct iwl_host_cmd cmd = {
1199 .len = { sizeof(*bt_cmd), },
1200 .dataflags = { IWL_HCMD_DFL_NOCOPY, },
1203 if (!IWL_MVM_BT_COEX_CORUNNING)
1206 lockdep_assert_held(&mvm->mutex);
1208 /* Ignore updates if we are in force mode */
1209 if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS))
1212 if (ant_isolation == mvm->last_ant_isol)
1215 for (lut = 0; lut < ARRAY_SIZE(antenna_coupling_ranges) - 1; lut++)
1216 if (ant_isolation < antenna_coupling_ranges[lut + 1].range)
1219 lower_bound = antenna_coupling_ranges[lut].range;
1221 if (lut < ARRAY_SIZE(antenna_coupling_ranges) - 1)
1222 upper_bound = antenna_coupling_ranges[lut + 1].range;
1224 upper_bound = antenna_coupling_ranges[lut].range;
1226 IWL_DEBUG_COEX(mvm, "Antenna isolation=%d in range [%d,%d[, lut=%d\n",
1227 ant_isolation, lower_bound, upper_bound, lut);
1229 mvm->last_ant_isol = ant_isolation;
1231 if (mvm->last_corun_lut == lut)
1234 mvm->last_corun_lut = lut;
1236 bt_cmd = kzalloc(sizeof(*bt_cmd), GFP_KERNEL);
1239 cmd.data[0] = bt_cmd;
1241 bt_cmd->flags = cpu_to_le32(BT_COEX_NW_OLD);
1242 bt_cmd->valid_bit_msk |= cpu_to_le32(BT_VALID_ENABLE |
1243 BT_VALID_CORUN_LUT_20 |
1244 BT_VALID_CORUN_LUT_40);
1246 /* For the moment, use the same LUT for 20GHz and 40GHz */
1247 memcpy(bt_cmd->bt4_corun_lut20, antenna_coupling_ranges[lut].lut20,
1248 sizeof(bt_cmd->bt4_corun_lut20));
1250 memcpy(bt_cmd->bt4_corun_lut40, antenna_coupling_ranges[lut].lut20,
1251 sizeof(bt_cmd->bt4_corun_lut40));
1253 ret = iwl_mvm_send_cmd(mvm, &cmd);