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iwlwifi: mvm: BT Coex - prepare towards new API
[deliverable/linux.git] / drivers / net / wireless / iwlwifi / mvm / coex.c
CommitLineData
931d4160
EG		 1/******************************************************************************
2 *
3 * This file is provided under a dual BSD/GPLv2 license. When using or
4 * redistributing this file, you may do so under either license.
5 *
6 * GPL LICENSE SUMMARY
7 *
51368bf7 8 * Copyright(c) 2013 - 2014 Intel Corporation. All rights reserved.
931d4160
EG		 9 *
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.
13 *
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.
18 *
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,
22 * USA
23 *
24 * The full GNU General Public License is included in this distribution
25 * in the file called COPYING.
26 *
27 * Contact Information:
28 * Intel Linux Wireless <ilw@linux.intel.com>
29 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
30 *
31 * BSD LICENSE
32 *
51368bf7 33 * Copyright(c) 2013 - 2014 Intel Corporation. All rights reserved.
931d4160
EG		 34 * All rights reserved.
35 *
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
38 * are met:
39 *
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
45 * distribution.
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.
49 *
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.
61 *
62 *****************************************************************************/
63
ee7bea58
EG		 64#include <linux/ieee80211.h>
65#include <linux/etherdevice.h>
2b76ef13
EG		 66#include <net/mac80211.h>
67
5b7ff615 68#include "fw-api-coex.h"
931d4160
EG		 69#include "iwl-modparams.h"
70#include "mvm.h"
f421f9c3 71#include "iwl-debug.h"
931d4160
EG		 72
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))
76
77static 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),
98 0, 0, 0, 0, 0, 0,
99};
100
101#undef EVENT_PRIO_ANT
102
dac94da8 103#define BT_ANTENNA_COUPLING_THRESHOLD (30)
2b76ef13 104
ae397472 105static int iwl_send_bt_prio_tbl(struct iwl_mvm *mvm)
931d4160 106{
a39979a8
EG		 107 if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS))
108 return 0;
109
a1022927 110 return iwl_mvm_send_cmd_pdu(mvm, BT_COEX_PRIO_TABLE, 0,
931d4160
EG		 111 sizeof(struct iwl_bt_coex_prio_tbl_cmd),
112 &iwl_bt_prio_tbl);
113}
114
2de13cae 115const u32 iwl_bt_ack_kill_msk[BT_KILL_MSK_MAX] = {
5b7e662b
EG		 116 [BT_KILL_MSK_DEFAULT] = 0xffff0000,
117 [BT_KILL_MSK_SCO_HID_A2DP] = 0xffffffff,
118 [BT_KILL_MSK_REDUCED_TXPOW] = 0,
931d4160
EG		 119};
120
2de13cae 121const u32 iwl_bt_cts_kill_msk[BT_KILL_MSK_MAX] = {
5b7e662b
EG		 122 [BT_KILL_MSK_DEFAULT] = 0xffff0000,
123 [BT_KILL_MSK_SCO_HID_A2DP] = 0xffffffff,
124 [BT_KILL_MSK_REDUCED_TXPOW] = 0,
931d4160
EG		 125};
126
dac94da8 127static const __le32 iwl_bt_prio_boost[BT_COEX_BOOST_SIZE] = {
2adc8949
EG		 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% */
931d4160
EG		 132};
133
d1d5e3cd
EG		 134static const __le32 iwl_single_shared_ant[BT_COEX_MAX_LUT][BT_COEX_LUT_SIZE] = {
135 {
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),
148 },
149 {
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),
162 },
163 {
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),
176 },
177};
178
dac94da8
EG		 179static const __le32 iwl_combined_lookup[BT_COEX_MAX_LUT][BT_COEX_LUT_SIZE] = {
180 {
181 /* Tight */
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),
a6bc9280 191 cpu_to_le32(0x00004000),
dac94da8
EG		 192 cpu_to_le32(0xf0005000),
193 cpu_to_le32(0xf0005000),
194 },
195 {
196 /* Loose */
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),
209 },
210 {
211 /* Tx Tx disabled */
212 cpu_to_le32(0xaaaaaaaa),
213 cpu_to_le32(0xaaaaaaaa),
a6bc9280 214 cpu_to_le32(0xeeaaaaaa),
dac94da8
EG		 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),
a6bc9280
EG		 220 cpu_to_le32(0xc0004000),
221 cpu_to_le32(0xc0004000),
222 cpu_to_le32(0xf0005000),
223 cpu_to_le32(0xf0005000),
dac94da8 224 },
931d4160
EG		 225};
226
dac94da8
EG		 227/* 20MHz / 40MHz below / 40Mhz above*/
228static 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)},
231 {
232 cpu_to_le64(0x0000001FFFULL),
233 cpu_to_le64(0x0ULL),
234 cpu_to_le64(0x00007FFFFFULL),
235 },
236 {
237 cpu_to_le64(0x000000FFFFULL),
238 cpu_to_le64(0x0ULL),
239 cpu_to_le64(0x0003FFFFFFULL),
240 },
241 {
242 cpu_to_le64(0x000003FFFCULL),
243 cpu_to_le64(0x0ULL),
244 cpu_to_le64(0x000FFFFFFCULL),
245 },
246 {
247 cpu_to_le64(0x00001FFFE0ULL),
248 cpu_to_le64(0x0ULL),
249 cpu_to_le64(0x007FFFFFE0ULL),
250 },
251 {
252 cpu_to_le64(0x00007FFF80ULL),
253 cpu_to_le64(0x00007FFFFFULL),
254 cpu_to_le64(0x01FFFFFF80ULL),
255 },
256 {
257 cpu_to_le64(0x0003FFFC00ULL),
258 cpu_to_le64(0x0003FFFFFFULL),
259 cpu_to_le64(0x0FFFFFFC00ULL),
260 },
261 {
262 cpu_to_le64(0x000FFFF000ULL),
263 cpu_to_le64(0x000FFFFFFCULL),
264 cpu_to_le64(0x3FFFFFF000ULL),
265 },
266 {
267 cpu_to_le64(0x007FFF8000ULL),
268 cpu_to_le64(0x007FFFFFE0ULL),
269 cpu_to_le64(0xFFFFFF8000ULL),
270 },
271 {
272 cpu_to_le64(0x01FFFE0000ULL),
273 cpu_to_le64(0x01FFFFFF80ULL),
274 cpu_to_le64(0xFFFFFE0000ULL),
275 },
276 {
277 cpu_to_le64(0x0FFFF00000ULL),
278 cpu_to_le64(0x0FFFFFFC00ULL),
279 cpu_to_le64(0x0ULL),
280 },
281 {
282 cpu_to_le64(0x3FFFC00000ULL),
283 cpu_to_le64(0x3FFFFFF000ULL),
284 cpu_to_le64(0x0)
285 },
286 {
287 cpu_to_le64(0xFFFE000000ULL),
288 cpu_to_le64(0xFFFFFF8000ULL),
289 cpu_to_le64(0x0)
290 },
291 {
292 cpu_to_le64(0xFFF8000000ULL),
293 cpu_to_le64(0xFFFFFE0000ULL),
294 cpu_to_le64(0x0)
295 },
296 {
d2ccc902 297 cpu_to_le64(0xFFC0000000ULL),
dac94da8 298 cpu_to_le64(0x0ULL),
d2ccc902 299 cpu_to_le64(0x0ULL)
dac94da8 300 },
931d4160
EG		 301};
302
dac94da8 303static const __le32 iwl_bt_mprio_lut[BT_COEX_MULTI_PRIO_LUT_SIZE] = {
2adc8949
EG		 304 cpu_to_le32(0x28412201),
305 cpu_to_le32(0x11118451),
e715c3a9
EG		 306};
307
b9fae2d5
EG		 308struct corunning_block_luts {
309 u8 range;
310 __le32 lut20[BT_COEX_CORUN_LUT_SIZE];
311};
312
313/*
314 * Ranges for the antenna coupling calibration / co-running block LUT:
315 * LUT0: [ 0, 12[
316 * LUT1: [12, 20[
317 * LUT2: [20, 21[
318 * LUT3: [21, 23[
319 * LUT4: [23, 27[
320 * LUT5: [27, 30[
321 * LUT6: [30, 32[
322 * LUT7: [32, 33[
323 * LUT8: [33, - [
324 */
325static const struct corunning_block_luts antenna_coupling_ranges[] = {
326 {
327 .range = 0,
328 .lut20 = {
329 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
330 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
331 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
332 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
333 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
334 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
335 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
336 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
337 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
338 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
339 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
340 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
341 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
342 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
343 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
344 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
345 },
346 },
347 {
348 .range = 12,
349 .lut20 = {
350 cpu_to_le32(0x00000001), cpu_to_le32(0x00000000),
351 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
352 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
353 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
354 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
355 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
356 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
357 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
358 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
359 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
360 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
361 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
362 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
363 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
364 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
365 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
366 },
367 },
368 {
369 .range = 20,
370 .lut20 = {
371 cpu_to_le32(0x00000002), cpu_to_le32(0x00000000),
372 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
373 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
374 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
375 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
376 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
377 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
378 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
379 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
380 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
381 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
382 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
383 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
384 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
385 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
386 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
387 },
388 },
389 {
390 .range = 21,
391 .lut20 = {
392 cpu_to_le32(0x00000003), cpu_to_le32(0x00000000),
393 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
394 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
395 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
396 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
397 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
398 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
399 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
400 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
401 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
402 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
403 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
404 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
405 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
406 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
407 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
408 },
409 },
410 {
411 .range = 23,
412 .lut20 = {
413 cpu_to_le32(0x00000004), cpu_to_le32(0x00000000),
414 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
415 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
416 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
417 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
418 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
419 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
420 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
421 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
422 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
423 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
424 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
425 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
426 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
427 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
428 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
429 },
430 },
431 {
432 .range = 27,
433 .lut20 = {
434 cpu_to_le32(0x00000005), cpu_to_le32(0x00000000),
435 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
436 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
437 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
438 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
439 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
440 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
441 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
442 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
443 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
444 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
445 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
446 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
447 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
448 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
449 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
450 },
451 },
452 {
453 .range = 30,
454 .lut20 = {
455 cpu_to_le32(0x00000006), cpu_to_le32(0x00000000),
456 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
457 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
458 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
459 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
460 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
461 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
462 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
463 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
464 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
465 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
466 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
467 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
468 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
469 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
470 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
471 },
472 },
473 {
474 .range = 32,
475 .lut20 = {
476 cpu_to_le32(0x00000007), cpu_to_le32(0x00000000),
477 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
478 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
479 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
480 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
481 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
482 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
483 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
484 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
485 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
486 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
487 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
488 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
489 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
490 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
491 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
492 },
493 },
494 {
495 .range = 33,
496 .lut20 = {
497 cpu_to_le32(0x00000008), cpu_to_le32(0x00000000),
498 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
499 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
500 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
501 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
502 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
503 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
504 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
505 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
506 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
507 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
508 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
509 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
510 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
511 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
512 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
513 },
514 },
515};
516
4515f30f
EG		 517static enum iwl_bt_coex_lut_type
518iwl_get_coex_type(struct iwl_mvm *mvm, const struct ieee80211_vif *vif)
519{
520 struct ieee80211_chanctx_conf *chanctx_conf;
521 enum iwl_bt_coex_lut_type ret;
522 u16 phy_ctx_id;
523
9145d151
EG		 524 /*
525 * Checking that we hold mvm->mutex is a good idea, but the rate
526 * control can't acquire the mutex since it runs in Tx path.
527 * So this is racy in that case, but in the worst case, the AMPDU
528 * size limit will be wrong for a short time which is not a big
529 * issue.
530 */
4515f30f
EG		 531
532 rcu_read_lock();
533
534 chanctx_conf = rcu_dereference(vif->chanctx_conf);
535
536 if (!chanctx_conf ||
537 chanctx_conf->def.chan->band != IEEE80211_BAND_2GHZ) {
538 rcu_read_unlock();
7fa4fa0c 539 return BT_COEX_INVALID_LUT;
4515f30f
EG		 540 }
541
542 ret = BT_COEX_TX_DIS_LUT;
543
39149911
EG		 544 if (mvm->cfg->bt_shared_single_ant) {
545 rcu_read_unlock();
546 return ret;
547 }
548
4515f30f
EG		 549 phy_ctx_id = *((u16 *)chanctx_conf->drv_priv);
550
551 if (mvm->last_bt_ci_cmd.primary_ch_phy_id == phy_ctx_id)
552 ret = le32_to_cpu(mvm->last_bt_notif.primary_ch_lut);
553 else if (mvm->last_bt_ci_cmd.secondary_ch_phy_id == phy_ctx_id)
554 ret = le32_to_cpu(mvm->last_bt_notif.secondary_ch_lut);
555 /* else - default = TX TX disallowed */
556
557 rcu_read_unlock();
558
559 return ret;
560}
561
931d4160
EG		 562int iwl_send_bt_init_conf(struct iwl_mvm *mvm)
563{
0ea8d043 564 struct iwl_bt_coex_cmd_old *bt_cmd;
03e304e4
EG		 565 struct iwl_host_cmd cmd = {
566 .id = BT_CONFIG,
567 .len = { sizeof(*bt_cmd), },
568 .dataflags = { IWL_HCMD_DFL_NOCOPY, },
931d4160
EG		 569 };
570 int ret;
dac94da8
EG		 571 u32 flags;
572
0ea8d043
EG		 573 if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT))
574 return iwl_send_bt_init_conf_old(mvm);
575
576 /* TODO */
577 return 0;
578
ae397472
EG		 579 ret = iwl_send_bt_prio_tbl(mvm);
580 if (ret)
581 return ret;
582
03e304e4
EG		 583 bt_cmd = kzalloc(sizeof(*bt_cmd), GFP_KERNEL);
584 if (!bt_cmd)
585 return -ENOMEM;
586 cmd.data[0] = bt_cmd;
587
a39979a8
EG		 588 lockdep_assert_held(&mvm->mutex);
589
590 if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS)) {
591 switch (mvm->bt_force_ant_mode) {
592 case BT_FORCE_ANT_AUTO:
0ea8d043 593 flags = BT_COEX_AUTO_OLD;
a39979a8
EG		 594 break;
595 case BT_FORCE_ANT_BT:
0ea8d043 596 flags = BT_COEX_BT_OLD;
a39979a8
EG		 597 break;
598 case BT_FORCE_ANT_WIFI:
0ea8d043 599 flags = BT_COEX_WIFI_OLD;
a39979a8
EG		 600 break;
601 default:
602 WARN_ON(1);
603 flags = 0;
604 }
605
606 bt_cmd->flags = cpu_to_le32(flags);
607 bt_cmd->valid_bit_msk = cpu_to_le32(BT_VALID_ENABLE);
608 goto send_cmd;
609 }
610
03e304e4 611 bt_cmd->max_kill = 5;
8a0063a0
EG		 612 bt_cmd->bt4_antenna_isolation_thr = BT_ANTENNA_COUPLING_THRESHOLD;
613 bt_cmd->bt4_antenna_isolation = iwlwifi_mod_params.ant_coupling;
614 bt_cmd->bt4_tx_tx_delta_freq_thr = 15;
615 bt_cmd->bt4_tx_rx_max_freq0 = 15;
e78973ef
EG		 616 bt_cmd->override_primary_lut = BT_COEX_INVALID_LUT;
617 bt_cmd->override_secondary_lut = BT_COEX_INVALID_LUT;
03e304e4 618
dac94da8 619 flags = iwlwifi_mod_params.bt_coex_active ?
0ea8d043 620 BT_COEX_NW_OLD : BT_COEX_DISABLE_OLD;
dac94da8 621 bt_cmd->flags = cpu_to_le32(flags);
931d4160 622
dac94da8 623 bt_cmd->valid_bit_msk = cpu_to_le32(BT_VALID_ENABLE |
03e304e4
EG		 624 BT_VALID_BT_PRIO_BOOST |
625 BT_VALID_MAX_KILL |
626 BT_VALID_3W_TMRS |
627 BT_VALID_KILL_ACK |
628 BT_VALID_KILL_CTS |
629 BT_VALID_REDUCED_TX_POWER |
dac94da8
EG		 630 BT_VALID_LUT |
631 BT_VALID_WIFI_RX_SW_PRIO_BOOST |
632 BT_VALID_WIFI_TX_SW_PRIO_BOOST |
dac94da8
EG		 633 BT_VALID_ANT_ISOLATION |
634 BT_VALID_ANT_ISOLATION_THRS |
635 BT_VALID_TXTX_DELTA_FREQ_THRS |
b9c509cc
EG		 636 BT_VALID_TXRX_MAX_FREQ_0 |
637 BT_VALID_SYNC_TO_SCO);
dac94da8 638
741e703b
EG		 639 if (IWL_MVM_BT_COEX_SYNC2SCO)
640 bt_cmd->flags |= cpu_to_le32(BT_COEX_SYNC2SCO);
641
b9fae2d5 642 if (IWL_MVM_BT_COEX_CORUNNING) {
0fed2bcf
EG		 643 bt_cmd->valid_bit_msk |= cpu_to_le32(BT_VALID_CORUN_LUT_20 |
644 BT_VALID_CORUN_LUT_40);
b9fae2d5
EG		 645 bt_cmd->flags |= cpu_to_le32(BT_COEX_CORUNNING);
646 }
647
cdb00563
EG		 648 if (IWL_MVM_BT_COEX_MPLUT) {
649 bt_cmd->flags |= cpu_to_le32(BT_COEX_MPLUT);
0fed2bcf 650 bt_cmd->valid_bit_msk |= cpu_to_le32(BT_VALID_MULTI_PRIO_LUT);
cdb00563
EG		 651 }
652
d1d5e3cd
EG		 653 if (mvm->cfg->bt_shared_single_ant)
654 memcpy(&bt_cmd->decision_lut, iwl_single_shared_ant,
655 sizeof(iwl_single_shared_ant));
656 else
657 memcpy(&bt_cmd->decision_lut, iwl_combined_lookup,
658 sizeof(iwl_combined_lookup));
659
b9fae2d5
EG		 660 /* Take first Co-running block LUT to get started */
661 memcpy(bt_cmd->bt4_corun_lut20, antenna_coupling_ranges[0].lut20,
662 sizeof(bt_cmd->bt4_corun_lut20));
663 memcpy(bt_cmd->bt4_corun_lut40, antenna_coupling_ranges[0].lut20,
664 sizeof(bt_cmd->bt4_corun_lut40));
665
dac94da8
EG		 666 memcpy(&bt_cmd->bt_prio_boost, iwl_bt_prio_boost,
667 sizeof(iwl_bt_prio_boost));
668 memcpy(&bt_cmd->bt4_multiprio_lut, iwl_bt_mprio_lut,
669 sizeof(iwl_bt_mprio_lut));
03e304e4 670 bt_cmd->kill_ack_msk =
931d4160 671 cpu_to_le32(iwl_bt_ack_kill_msk[BT_KILL_MSK_DEFAULT]);
03e304e4 672 bt_cmd->kill_cts_msk =
931d4160
EG		 673 cpu_to_le32(iwl_bt_cts_kill_msk[BT_KILL_MSK_DEFAULT]);
674
a39979a8 675send_cmd:
2b76ef13 676 memset(&mvm->last_bt_notif, 0, sizeof(mvm->last_bt_notif));
dac94da8 677 memset(&mvm->last_bt_ci_cmd, 0, sizeof(mvm->last_bt_ci_cmd));
2b76ef13 678
03e304e4 679 ret = iwl_mvm_send_cmd(mvm, &cmd);
931d4160 680
03e304e4
EG		 681 kfree(bt_cmd);
682 return ret;
931d4160 683}
f421f9c3 684
2b76ef13
EG		 685static int iwl_mvm_bt_udpate_ctrl_kill_msk(struct iwl_mvm *mvm,
686 bool reduced_tx_power)
687{
688 enum iwl_bt_kill_msk bt_kill_msk;
0ea8d043
EG		 689 struct iwl_bt_coex_cmd_old *bt_cmd;
690 struct iwl_bt_coex_profile_notif_old *notif = &mvm->last_bt_notif;
03e304e4
EG		 691 struct iwl_host_cmd cmd = {
692 .id = BT_CONFIG,
693 .data[0] = &bt_cmd,
694 .len = { sizeof(*bt_cmd), },
695 .dataflags = { IWL_HCMD_DFL_NOCOPY, },
03e304e4
EG		 696 };
697 int ret = 0;
2b76ef13
EG		 698
699 lockdep_assert_held(&mvm->mutex);
700
701 if (reduced_tx_power) {
702 /* Reduced Tx power has precedence on the type of the profile */
703 bt_kill_msk = BT_KILL_MSK_REDUCED_TXPOW;
704 } else {
705 /* Low latency BT profile is active: give higher prio to BT */
706 if (BT_MBOX_MSG(notif, 3, SCO_STATE) ||
707 BT_MBOX_MSG(notif, 3, A2DP_STATE) ||
708 BT_MBOX_MSG(notif, 3, SNIFF_STATE))
709 bt_kill_msk = BT_KILL_MSK_SCO_HID_A2DP;
710 else
711 bt_kill_msk = BT_KILL_MSK_DEFAULT;
712 }
713
714 IWL_DEBUG_COEX(mvm,
715 "Update kill_msk: %d - SCO %sactive A2DP %sactive SNIFF %sactive\n",
716 bt_kill_msk,
717 BT_MBOX_MSG(notif, 3, SCO_STATE) ? "" : "in",
718 BT_MBOX_MSG(notif, 3, A2DP_STATE) ? "" : "in",
719 BT_MBOX_MSG(notif, 3, SNIFF_STATE) ? "" : "in");
720
721 /* Don't send HCMD if there is no update */
722 if (bt_kill_msk == mvm->bt_kill_msk)
723 return 0;
724
725 mvm->bt_kill_msk = bt_kill_msk;
03e304e4
EG		 726
727 bt_cmd = kzalloc(sizeof(*bt_cmd), GFP_KERNEL);
728 if (!bt_cmd)
729 return -ENOMEM;
730 cmd.data[0] = bt_cmd;
0ea8d043 731 bt_cmd->flags = cpu_to_le32(BT_COEX_NW_OLD);
03e304e4
EG		 732
733 bt_cmd->kill_ack_msk = cpu_to_le32(iwl_bt_ack_kill_msk[bt_kill_msk]);
734 bt_cmd->kill_cts_msk = cpu_to_le32(iwl_bt_cts_kill_msk[bt_kill_msk]);
7352cac0
EG		 735 bt_cmd->valid_bit_msk |= cpu_to_le32(BT_VALID_ENABLE |
736 BT_VALID_KILL_ACK |
737 BT_VALID_KILL_CTS);
2b76ef13 738
dac94da8
EG		 739 IWL_DEBUG_COEX(mvm, "ACK Kill msk = 0x%08x, CTS Kill msk = 0x%08x\n",
740 iwl_bt_ack_kill_msk[bt_kill_msk],
741 iwl_bt_cts_kill_msk[bt_kill_msk]);
03e304e4
EG		 742
743 ret = iwl_mvm_send_cmd(mvm, &cmd);
744
745 kfree(bt_cmd);
746 return ret;
2b76ef13
EG		 747}
748
1fa477c6
EG		 749static int iwl_mvm_bt_coex_reduced_txp(struct iwl_mvm *mvm, u8 sta_id,
750 bool enable)
2b76ef13 751{
0ea8d043 752 struct iwl_bt_coex_cmd_old *bt_cmd;
03e304e4
EG		 753 /* Send ASYNC since this can be sent from an atomic context */
754 struct iwl_host_cmd cmd = {
755 .id = BT_CONFIG,
756 .len = { sizeof(*bt_cmd), },
b9fae2d5 757 .dataflags = { IWL_HCMD_DFL_NOCOPY, },
03e304e4 758 .flags = CMD_ASYNC,
2b76ef13 759 };
2b76ef13 760 struct iwl_mvm_sta *mvmsta;
03e304e4 761 int ret;
2b76ef13 762
f327b04c
EG		 763 mvmsta = iwl_mvm_sta_from_staid_protected(mvm, sta_id);
764 if (!mvmsta)
2b76ef13
EG		 765 return 0;
766
2b76ef13 767 /* nothing to do */
1fa477c6 768 if (mvmsta->bt_reduced_txpower == enable)
2b76ef13
EG		 769 return 0;
770
03e304e4
EG		 771 bt_cmd = kzalloc(sizeof(*bt_cmd), GFP_ATOMIC);
772 if (!bt_cmd)
773 return -ENOMEM;
774 cmd.data[0] = bt_cmd;
0ea8d043 775 bt_cmd->flags = cpu_to_le32(BT_COEX_NW_OLD);
03e304e4 776
7352cac0
EG		 777 bt_cmd->valid_bit_msk =
778 cpu_to_le32(BT_VALID_ENABLE | BT_VALID_REDUCED_TX_POWER);
03e304e4
EG		 779 bt_cmd->bt_reduced_tx_power = sta_id;
780
2b76ef13 781 if (enable)
03e304e4 782 bt_cmd->bt_reduced_tx_power |= BT_REDUCED_TX_POWER_BIT;
2b76ef13
EG		 783
784 IWL_DEBUG_COEX(mvm, "%sable reduced Tx Power for sta %d\n",
785 enable ? "en" : "dis", sta_id);
786
787 mvmsta->bt_reduced_txpower = enable;
788
03e304e4
EG		 789 ret = iwl_mvm_send_cmd(mvm, &cmd);
790
791 kfree(bt_cmd);
792 return ret;
2b76ef13
EG		 793}
794
795struct iwl_bt_iterator_data {
0ea8d043 796 struct iwl_bt_coex_profile_notif_old *notif;
2b76ef13
EG		 797 struct iwl_mvm *mvm;
798 u32 num_bss_ifaces;
9e511c31 799 bool reduced_tx_power;
dac94da8
EG		 800 struct ieee80211_chanctx_conf *primary;
801 struct ieee80211_chanctx_conf *secondary;
0ee5bcdd 802 bool primary_ll;
7da052b8
EG		 803};
804
f6fc5775
EG		 805static inline
806void iwl_mvm_bt_coex_enable_rssi_event(struct iwl_mvm *mvm,
807 struct ieee80211_vif *vif,
808 bool enable, int rssi)
809{
810 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
811
812 mvmvif->bf_data.last_bt_coex_event = rssi;
813 mvmvif->bf_data.bt_coex_max_thold =
8286d9f5 814 enable ? -IWL_MVM_BT_COEX_EN_RED_TXP_THRESH : 0;
f6fc5775 815 mvmvif->bf_data.bt_coex_min_thold =
8286d9f5 816 enable ? -IWL_MVM_BT_COEX_DIS_RED_TXP_THRESH : 0;
f6fc5775
EG		 817}
818
dac94da8 819/* must be called under rcu_read_lock */
7da052b8
EG		 820static void iwl_mvm_bt_notif_iterator(void *_data, u8 *mac,
821 struct ieee80211_vif *vif)
822{
823 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2b76ef13
EG		 824 struct iwl_bt_iterator_data *data = _data;
825 struct iwl_mvm *mvm = data->mvm;
7da052b8
EG		 826 struct ieee80211_chanctx_conf *chanctx_conf;
827 enum ieee80211_smps_mode smps_mode;
f6415f6b 828 u32 bt_activity_grading;
2b76ef13 829 int ave_rssi;
7da052b8 830
9ee718aa 831 lockdep_assert_held(&mvm->mutex);
7da052b8 832
f6415f6b
EG		 833 switch (vif->type) {
834 case NL80211_IFTYPE_STATION:
4d66449a
EG		 835 /* Count BSSes vifs */
836 data->num_bss_ifaces++;
f6415f6b
EG		 837 /* default smps_mode for BSS / P2P client is AUTOMATIC */
838 smps_mode = IEEE80211_SMPS_AUTOMATIC;
f6415f6b
EG		 839 break;
840 case NL80211_IFTYPE_AP:
841 /* default smps_mode for AP / GO is OFF */
842 smps_mode = IEEE80211_SMPS_OFF;
843 if (!mvmvif->ap_ibss_active) {
844 iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_BT_COEX,
845 smps_mode);
846 return;
847 }
7da052b8 848
f6415f6b
EG		 849 /* the Ack / Cts kill mask must be default if AP / GO */
850 data->reduced_tx_power = false;
851 break;
852 default:
853 return;
854 }
7da052b8 855
dac94da8
EG		 856 chanctx_conf = rcu_dereference(vif->chanctx_conf);
857
858 /* If channel context is invalid or not on 2.4GHz .. */
859 if ((!chanctx_conf ||
860 chanctx_conf->def.chan->band != IEEE80211_BAND_2GHZ)) {
f6415f6b
EG		 861 /* ... relax constraints and disable rssi events */
862 iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_BT_COEX,
863 smps_mode);
4d66449a 864 data->reduced_tx_power = false;
0f618e6e
EG		 865 if (vif->type == NL80211_IFTYPE_STATION) {
866 iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id,
867 false);
f6415f6b 868 iwl_mvm_bt_coex_enable_rssi_event(mvm, vif, false, 0);
0f618e6e 869 }
41069b46 870 return;
dac94da8
EG		 871 }
872
f6415f6b
EG		 873 bt_activity_grading = le32_to_cpu(data->notif->bt_activity_grading);
874 if (bt_activity_grading >= BT_HIGH_TRAFFIC)
875 smps_mode = IEEE80211_SMPS_STATIC;
876 else if (bt_activity_grading >= BT_LOW_TRAFFIC)
877 smps_mode = vif->type == NL80211_IFTYPE_AP ?
878 IEEE80211_SMPS_OFF :
879 IEEE80211_SMPS_DYNAMIC;
4d66449a
EG		 880
881 /* relax SMPS contraints for next association */
882 if (!vif->bss_conf.assoc)
883 smps_mode = IEEE80211_SMPS_AUTOMATIC;
884
f6415f6b
EG		 885 IWL_DEBUG_COEX(data->mvm,
886 "mac %d: bt_status %d bt_activity_grading %d smps_req %d\n",
887 mvmvif->id, data->notif->bt_status, bt_activity_grading,
888 smps_mode);
889
890 iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_BT_COEX, smps_mode);
891
0ee5bcdd
EG		 892 /* low latency is always primary */
893 if (iwl_mvm_vif_low_latency(mvmvif)) {
894 data->primary_ll = true;
895
896 data->secondary = data->primary;
897 data->primary = chanctx_conf;
898 }
899
dac94da8 900 if (vif->type == NL80211_IFTYPE_AP) {
5023d966 901 if (!mvmvif->ap_ibss_active)
dac94da8
EG		 902 return;
903
dac94da8
EG		 904 if (chanctx_conf == data->primary)
905 return;
906
0ee5bcdd
EG		 907 if (!data->primary_ll) {
908 /*
909 * downgrade the current primary no matter what its
910 * type is.
911 */
912 data->secondary = data->primary;
913 data->primary = chanctx_conf;
914 } else {
915 /* there is low latency vif - we will be secondary */
916 data->secondary = chanctx_conf;
917 }
9166b1ee
EG		 918 return;
919 }
920
0ee5bcdd
EG		 921 /*
922 * STA / P2P Client, try to be primary if first vif. If we are in low
923 * latency mode, we are already in primary and just don't do much
924 */
dac94da8
EG		 925 if (!data->primary || data->primary == chanctx_conf)
926 data->primary = chanctx_conf;
927 else if (!data->secondary)
928 /* if secondary is not NULL, it might be a GO */
929 data->secondary = chanctx_conf;
930
4d66449a
EG		 931 /*
932 * don't reduce the Tx power if one of these is true:
933 * we are in LOOSE
934 * single share antenna product
935 * BT is active
936 * we are associated
937 */
39149911 938 if (iwl_get_coex_type(mvm, vif) == BT_COEX_LOOSE_LUT ||
4d66449a
EG		 939 mvm->cfg->bt_shared_single_ant || !vif->bss_conf.assoc ||
940 !data->notif->bt_status) {
39149911 941 data->reduced_tx_power = false;
0f618e6e 942 iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, false);
f6fc5775 943 iwl_mvm_bt_coex_enable_rssi_event(mvm, vif, false, 0);
2b76ef13 944 return;
39149911 945 }
2b76ef13 946
911222b5
AO		 947 /* try to get the avg rssi from fw */
948 ave_rssi = mvmvif->bf_data.ave_beacon_signal;
2b76ef13
EG		 949
950 /* if the RSSI isn't valid, fake it is very low */
951 if (!ave_rssi)
952 ave_rssi = -100;
8286d9f5 953 if (ave_rssi > -IWL_MVM_BT_COEX_EN_RED_TXP_THRESH) {
2b76ef13
EG		 954 if (iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, true))
955 IWL_ERR(mvm, "Couldn't send BT_CONFIG cmd\n");
956
957 /*
958 * bt_kill_msk can be BT_KILL_MSK_REDUCED_TXPOW only if all the
959 * BSS / P2P clients have rssi above threshold.
960 * We set the bt_kill_msk to BT_KILL_MSK_REDUCED_TXPOW before
961 * the iteration, if one interface's rssi isn't good enough,
962 * bt_kill_msk will be set to default values.
963 */
8286d9f5 964 } else if (ave_rssi < -IWL_MVM_BT_COEX_DIS_RED_TXP_THRESH) {
2b76ef13
EG		 965 if (iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, false))
966 IWL_ERR(mvm, "Couldn't send BT_CONFIG cmd\n");
967
968 /*
969 * One interface hasn't rssi above threshold, bt_kill_msk must
970 * be set to default values.
971 */
9e511c31 972 data->reduced_tx_power = false;
2b76ef13
EG		 973 }
974
975 /* Begin to monitor the RSSI: it may influence the reduced Tx power */
f6fc5775 976 iwl_mvm_bt_coex_enable_rssi_event(mvm, vif, true, ave_rssi);
7da052b8
EG		 977}
978
d37cac98 979static void iwl_mvm_bt_coex_notif_handle(struct iwl_mvm *mvm)
f421f9c3 980{
2b76ef13 981 struct iwl_bt_iterator_data data = {
7da052b8 982 .mvm = mvm,
d37cac98 983 .notif = &mvm->last_bt_notif,
9e511c31 984 .reduced_tx_power = true,
7da052b8 985 };
0ea8d043 986 struct iwl_bt_coex_ci_cmd_old cmd = {};
dac94da8 987 u8 ci_bw_idx;
f421f9c3 988
a39979a8
EG		 989 /* Ignore updates if we are in force mode */
990 if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS))
991 return;
992
dac94da8 993 rcu_read_lock();
7da052b8
EG		 994 ieee80211_iterate_active_interfaces_atomic(
995 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
996 iwl_mvm_bt_notif_iterator, &data);
997
dac94da8
EG		 998 if (data.primary) {
999 struct ieee80211_chanctx_conf *chan = data.primary;
1000 if (WARN_ON(!chan->def.chan)) {
1001 rcu_read_unlock();
1002 return;
1003 }
1004
1005 if (chan->def.width < NL80211_CHAN_WIDTH_40) {
1006 ci_bw_idx = 0;
1007 cmd.co_run_bw_primary = 0;
1008 } else {
1009 cmd.co_run_bw_primary = 1;
1010 if (chan->def.center_freq1 >
1011 chan->def.chan->center_freq)
1012 ci_bw_idx = 2;
1013 else
1014 ci_bw_idx = 1;
1015 }
1016
1017 cmd.bt_primary_ci =
1018 iwl_ci_mask[chan->def.chan->hw_value][ci_bw_idx];
1019 cmd.primary_ch_phy_id = *((u16 *)data.primary->drv_priv);
1020 }
1021
1022 if (data.secondary) {
1023 struct ieee80211_chanctx_conf *chan = data.secondary;
1024 if (WARN_ON(!data.secondary->def.chan)) {
1025 rcu_read_unlock();
1026 return;
1027 }
1028
1029 if (chan->def.width < NL80211_CHAN_WIDTH_40) {
1030 ci_bw_idx = 0;
1031 cmd.co_run_bw_secondary = 0;
1032 } else {
1033 cmd.co_run_bw_secondary = 1;
1034 if (chan->def.center_freq1 >
1035 chan->def.chan->center_freq)
1036 ci_bw_idx = 2;
1037 else
1038 ci_bw_idx = 1;
1039 }
1040
1041 cmd.bt_secondary_ci =
1042 iwl_ci_mask[chan->def.chan->hw_value][ci_bw_idx];
c92f06a1 1043 cmd.secondary_ch_phy_id = *((u16 *)data.secondary->drv_priv);
dac94da8
EG		 1044 }
1045
1046 rcu_read_unlock();
1047
1048 /* Don't spam the fw with the same command over and over */
1049 if (memcmp(&cmd, &mvm->last_bt_ci_cmd, sizeof(cmd))) {
a1022927 1050 if (iwl_mvm_send_cmd_pdu(mvm, BT_COEX_CI, 0,
dac94da8 1051 sizeof(cmd), &cmd))
3c6acb61 1052 IWL_ERR(mvm, "Failed to send BT_CI cmd\n");
dac94da8
EG		 1053 memcpy(&mvm->last_bt_ci_cmd, &cmd, sizeof(cmd));
1054 }
1055
2b76ef13
EG		 1056 /*
1057 * If there are no BSS / P2P client interfaces, reduced Tx Power is
1058 * irrelevant since it is based on the RSSI coming from the beacon.
1059 * Use BT_KILL_MSK_DEFAULT in that case.
1060 */
9e511c31 1061 data.reduced_tx_power = data.reduced_tx_power && data.num_bss_ifaces;
2b76ef13 1062
9e511c31 1063 if (iwl_mvm_bt_udpate_ctrl_kill_msk(mvm, data.reduced_tx_power))
2b76ef13 1064 IWL_ERR(mvm, "Failed to update the ctrl_kill_msk\n");
9166b1ee
EG		 1065}
1066
9166b1ee
EG		 1067int iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm,
1068 struct iwl_rx_cmd_buffer *rxb,
1069 struct iwl_device_cmd *dev_cmd)
1070{
1071 struct iwl_rx_packet *pkt = rxb_addr(rxb);
0ea8d043 1072 struct iwl_bt_coex_profile_notif_old *notif = (void *)pkt->data;
9166b1ee 1073
0ea8d043
EG		 1074 if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT))
1075 return iwl_mvm_rx_bt_coex_notif_old(mvm, rxb, dev_cmd);
1076
1077 /* TODO */
1078 return 0;
9166b1ee
EG		 1079
1080 IWL_DEBUG_COEX(mvm, "BT Coex Notification received\n");
dac94da8
EG		 1081 IWL_DEBUG_COEX(mvm, "\tBT status: %s\n",
1082 notif->bt_status ? "ON" : "OFF");
9166b1ee 1083 IWL_DEBUG_COEX(mvm, "\tBT open conn %d\n", notif->bt_open_conn);
dac94da8
EG		 1084 IWL_DEBUG_COEX(mvm, "\tBT ci compliance %d\n", notif->bt_ci_compliance);
1085 IWL_DEBUG_COEX(mvm, "\tBT primary_ch_lut %d\n",
1086 le32_to_cpu(notif->primary_ch_lut));
1087 IWL_DEBUG_COEX(mvm, "\tBT secondary_ch_lut %d\n",
1088 le32_to_cpu(notif->secondary_ch_lut));
1089 IWL_DEBUG_COEX(mvm, "\tBT activity grading %d\n",
1090 le32_to_cpu(notif->bt_activity_grading));
9166b1ee
EG		 1091 IWL_DEBUG_COEX(mvm, "\tBT agg traffic load %d\n",
1092 notif->bt_agg_traffic_load);
9166b1ee 1093
d37cac98
EG		 1094 /* remember this notification for future use: rssi fluctuations */
1095 memcpy(&mvm->last_bt_notif, notif, sizeof(mvm->last_bt_notif));
1096
1097 iwl_mvm_bt_coex_notif_handle(mvm);
2b76ef13
EG		 1098
1099 /*
1100 * This is an async handler for a notification, returning anything other
1101 * than 0 doesn't make sense even if HCMD failed.
1102 */
1103 return 0;
1104}
1105
1106static void iwl_mvm_bt_rssi_iterator(void *_data, u8 *mac,
1107 struct ieee80211_vif *vif)
1108{
1109 struct iwl_mvm_vif *mvmvif = (void *)vif->drv_priv;
1110 struct iwl_bt_iterator_data *data = _data;
1111 struct iwl_mvm *mvm = data->mvm;
1112
1113 struct ieee80211_sta *sta;
1114 struct iwl_mvm_sta *mvmsta;
1115
f6fc5775
EG		 1116 struct ieee80211_chanctx_conf *chanctx_conf;
1117
1118 rcu_read_lock();
1119 chanctx_conf = rcu_dereference(vif->chanctx_conf);
1120 /* If channel context is invalid or not on 2.4GHz - don't count it */
1121 if (!chanctx_conf ||
1122 chanctx_conf->def.chan->band != IEEE80211_BAND_2GHZ) {
1123 rcu_read_unlock();
1124 return;
1125 }
1126 rcu_read_unlock();
1127
2b76ef13
EG		 1128 if (vif->type != NL80211_IFTYPE_STATION ||
1129 mvmvif->ap_sta_id == IWL_MVM_STATION_COUNT)
1130 return;
1131
1132 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[mvmvif->ap_sta_id],
1133 lockdep_is_held(&mvm->mutex));
56c07a9c
EG		 1134
1135 /* This can happen if the station has been removed right now */
1136 if (IS_ERR_OR_NULL(sta))
1137 return;
1138
5b577a90 1139 mvmsta = iwl_mvm_sta_from_mac80211(sta);
2b76ef13 1140
8e0366f9
EG		 1141 data->num_bss_ifaces++;
1142
2b76ef13
EG		 1143 /*
1144 * This interface doesn't support reduced Tx power (because of low
1145 * RSSI probably), then set bt_kill_msk to default values.
1146 */
1147 if (!mvmsta->bt_reduced_txpower)
9e511c31 1148 data->reduced_tx_power = false;
2b76ef13
EG		 1149 /* else - possibly leave it to BT_KILL_MSK_REDUCED_TXPOW */
1150}
1151
1152void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1153 enum ieee80211_rssi_event rssi_event)
1154{
1155 struct iwl_mvm_vif *mvmvif = (void *)vif->drv_priv;
2b76ef13
EG		 1156 struct iwl_bt_iterator_data data = {
1157 .mvm = mvm,
9e511c31 1158 .reduced_tx_power = true,
2b76ef13
EG		 1159 };
1160 int ret;
1161
0ea8d043
EG		 1162 if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT)) {
1163 iwl_mvm_bt_rssi_event_old(mvm, vif, rssi_event);
1164 return;
1165 }
1166
1167 /* TODO */
1168 return;
1169
3dd1cd2d 1170 lockdep_assert_held(&mvm->mutex);
2b76ef13 1171
a39979a8
EG		 1172 /* Ignore updates if we are in force mode */
1173 if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS))
1174 return;
1175
1e929199
EG		 1176 /*
1177 * Rssi update while not associated - can happen since the statistics
1178 * are handled asynchronously
1179 */
1180 if (mvmvif->ap_sta_id == IWL_MVM_STATION_COUNT)
3dd1cd2d 1181 return;
2b76ef13 1182
4515f30f 1183 /* No BT - reports should be disabled */
0af8835e 1184 if (!mvm->last_bt_notif.bt_status)
3dd1cd2d 1185 return;
2b76ef13
EG		 1186
1187 IWL_DEBUG_COEX(mvm, "RSSI for %pM is now %s\n", vif->bss_conf.bssid,
1188 rssi_event == RSSI_EVENT_HIGH ? "HIGH" : "LOW");
1189
1190 /*
1191 * Check if rssi is good enough for reduced Tx power, but not in loose
1192 * scheme.
1193 */
39149911 1194 if (rssi_event == RSSI_EVENT_LOW || mvm->cfg->bt_shared_single_ant ||
4515f30f 1195 iwl_get_coex_type(mvm, vif) == BT_COEX_LOOSE_LUT)
2b76ef13
EG		 1196 ret = iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id,
1197 false);
f421f9c3 1198 else
2b76ef13 1199 ret = iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, true);
f421f9c3 1200
2b76ef13
EG		 1201 if (ret)
1202 IWL_ERR(mvm, "couldn't send BT_CONFIG HCMD upon RSSI event\n");
f421f9c3 1203
2b76ef13
EG		 1204 ieee80211_iterate_active_interfaces_atomic(
1205 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
1206 iwl_mvm_bt_rssi_iterator, &data);
f421f9c3 1207
2b76ef13
EG		 1208 /*
1209 * If there are no BSS / P2P client interfaces, reduced Tx Power is
1210 * irrelevant since it is based on the RSSI coming from the beacon.
1211 * Use BT_KILL_MSK_DEFAULT in that case.
1212 */
9e511c31 1213 data.reduced_tx_power = data.reduced_tx_power && data.num_bss_ifaces;
f421f9c3 1214
9e511c31 1215 if (iwl_mvm_bt_udpate_ctrl_kill_msk(mvm, data.reduced_tx_power))
2b76ef13 1216 IWL_ERR(mvm, "Failed to update the ctrl_kill_msk\n");
f421f9c3 1217}
9166b1ee 1218
9145d151
EG		 1219#define LINK_QUAL_AGG_TIME_LIMIT_DEF (4000)
1220#define LINK_QUAL_AGG_TIME_LIMIT_BT_ACT (1200)
1221
5b7ff615
EG		 1222u16 iwl_mvm_coex_agg_time_limit(struct iwl_mvm *mvm,
1223 struct ieee80211_sta *sta)
9145d151 1224{
5b577a90 1225 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
9145d151
EG		 1226 enum iwl_bt_coex_lut_type lut_type;
1227
0ea8d043
EG		 1228 if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT))
1229 return iwl_mvm_coex_agg_time_limit_old(mvm, sta);
1230
1231 /* TODO */
1232 return LINK_QUAL_AGG_TIME_LIMIT_DEF;
1233
9145d151 1234 if (le32_to_cpu(mvm->last_bt_notif.bt_activity_grading) <
c2119351 1235 BT_HIGH_TRAFFIC)
9145d151
EG		 1236 return LINK_QUAL_AGG_TIME_LIMIT_DEF;
1237
35fbf5d0
EG		 1238 if (mvm->last_bt_notif.ttc_enabled)
1239 return LINK_QUAL_AGG_TIME_LIMIT_DEF;
1240
9145d151
EG		 1241 lut_type = iwl_get_coex_type(mvm, mvmsta->vif);
1242
7fa4fa0c 1243 if (lut_type == BT_COEX_LOOSE_LUT || lut_type == BT_COEX_INVALID_LUT)
9145d151
EG		 1244 return LINK_QUAL_AGG_TIME_LIMIT_DEF;
1245
1246 /* tight coex, high bt traffic, reduce AGG time limit */
1247 return LINK_QUAL_AGG_TIME_LIMIT_BT_ACT;
1248}
1249
ffa6c707
EG		 1250bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm,
1251 struct ieee80211_sta *sta)
1252{
5b577a90 1253 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
7fa4fa0c 1254 enum iwl_bt_coex_lut_type lut_type;
ffa6c707 1255
0ea8d043
EG		 1256 if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT))
1257 return iwl_mvm_coex_agg_time_limit_old(mvm, sta);
1258
1259 return true;
1260
1261 /* TODO */
35fbf5d0
EG		 1262 if (mvm->last_bt_notif.ttc_enabled)
1263 return true;
1264
ffa6c707
EG		 1265 if (le32_to_cpu(mvm->last_bt_notif.bt_activity_grading) <
1266 BT_HIGH_TRAFFIC)
1267 return true;
1268
1269 /*
7fa4fa0c
EG		 1270 * In Tight / TxTxDis, BT can't Rx while we Tx, so use both antennas
1271 * since BT is already killed.
1272 * In Loose, BT can Rx while we Tx, so forbid MIMO to let BT Rx while
1273 * we Tx.
1274 * When we are in 5GHz, we'll get BT_COEX_INVALID_LUT allowing MIMO.
ffa6c707 1275 */
7fa4fa0c
EG		 1276 lut_type = iwl_get_coex_type(mvm, mvmsta->vif);
1277 return lut_type != BT_COEX_LOOSE_LUT;
ffa6c707
EG		 1278}
1279
34c8b24f
EG		 1280bool iwl_mvm_bt_coex_is_shared_ant_avail(struct iwl_mvm *mvm)
1281{
0ea8d043
EG		 1282 if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT))
1283 return iwl_mvm_bt_coex_is_shared_ant_avail_old(mvm);
1284
34c8b24f
EG		 1285 return le32_to_cpu(mvm->last_bt_notif.bt_activity_grading) == BT_OFF;
1286}
1287
2fd647f8
EP		 1288bool iwl_mvm_bt_coex_is_tpc_allowed(struct iwl_mvm *mvm,
1289 enum ieee80211_band band)
1290{
1291 u32 bt_activity = le32_to_cpu(mvm->last_bt_notif.bt_activity_grading);
1292
0ea8d043
EG		 1293 if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT))
1294 return iwl_mvm_bt_coex_is_tpc_allowed_old(mvm, band);
1295
1296 /* TODO */
1297 return false;
1298
2fd647f8
EP		 1299 if (band != IEEE80211_BAND_2GHZ)
1300 return false;
1301
1302 return bt_activity >= BT_LOW_TRAFFIC;
1303}
1304
ee7bea58 1305u8 iwl_mvm_bt_coex_tx_prio(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr,
b797e3fb 1306 struct ieee80211_tx_info *info, u8 ac)
ee7bea58
EG		 1307{
1308 __le16 fc = hdr->frame_control;
1309
b797e3fb
EG		 1310 if (info->band != IEEE80211_BAND_2GHZ)
1311 return 0;
1312
cdb00563
EG		 1313 if (unlikely(mvm->bt_tx_prio))
1314 return mvm->bt_tx_prio - 1;
1315
ee7bea58 1316 /* High prio packet (wrt. BT coex) if it is EAPOL, MCAST or MGMT */
b797e3fb 1317 if (info->control.flags & IEEE80211_TX_CTRL_PORT_CTRL_PROTO ||
ee7bea58 1318 is_multicast_ether_addr(hdr->addr1) ||
b797e3fb
EG		 1319 ieee80211_is_ctl(fc) || ieee80211_is_mgmt(fc) ||
1320 ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc))
1321 return 3;
1322
1323 switch (ac) {
1324 case IEEE80211_AC_BE:
1325 return 1;
1326 case IEEE80211_AC_VO:
1327 return 3;
1328 case IEEE80211_AC_VI:
ee7bea58 1329 return 2;
b797e3fb
EG		 1330 default:
1331 break;
1332 }
ee7bea58
EG		 1333
1334 return 0;
1335}
1336
8e484f0b 1337void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm)
9166b1ee 1338{
0ea8d043
EG		 1339 if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT)) {
1340 iwl_mvm_bt_coex_vif_change_old(mvm);
1341 return;
1342 }
1343
1344 /* TODO */
1345 return;
1346
d37cac98 1347 iwl_mvm_bt_coex_notif_handle(mvm);
9166b1ee 1348}
b9fae2d5
EG		 1349
1350int iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm,
1351 struct iwl_rx_cmd_buffer *rxb,
1352 struct iwl_device_cmd *dev_cmd)
1353{
1354 struct iwl_rx_packet *pkt = rxb_addr(rxb);
1355 u32 ant_isolation = le32_to_cpup((void *)pkt->data);
1356 u8 __maybe_unused lower_bound, upper_bound;
fff47eb0 1357 int ret;
b9fae2d5
EG		 1358 u8 lut;
1359
0ea8d043 1360 struct iwl_bt_coex_cmd_old *bt_cmd;
b9fae2d5
EG		 1361 struct iwl_host_cmd cmd = {
1362 .id = BT_CONFIG,
1363 .len = { sizeof(*bt_cmd), },
1364 .dataflags = { IWL_HCMD_DFL_NOCOPY, },
b9fae2d5
EG		 1365 };
1366
0ea8d043
EG		 1367 if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT))
1368 return iwl_mvm_rx_ant_coupling_notif_old(mvm, rxb, dev_cmd);
1369
1370 /* TODO */
1371 return 0;
1372
b9fae2d5
EG		 1373 if (!IWL_MVM_BT_COEX_CORUNNING)
1374 return 0;
1375
1376 lockdep_assert_held(&mvm->mutex);
1377
a39979a8
EG		 1378 /* Ignore updates if we are in force mode */
1379 if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS))
1380 return 0;
1381
b9fae2d5
EG		 1382 if (ant_isolation == mvm->last_ant_isol)
1383 return 0;
1384
1385 for (lut = 0; lut < ARRAY_SIZE(antenna_coupling_ranges) - 1; lut++)
1386 if (ant_isolation < antenna_coupling_ranges[lut + 1].range)
1387 break;
1388
1389 lower_bound = antenna_coupling_ranges[lut].range;
1390
1391 if (lut < ARRAY_SIZE(antenna_coupling_ranges) - 1)
1392 upper_bound = antenna_coupling_ranges[lut + 1].range;
1393 else
1394 upper_bound = antenna_coupling_ranges[lut].range;
1395
1396 IWL_DEBUG_COEX(mvm, "Antenna isolation=%d in range [%d,%d[, lut=%d\n",
1397 ant_isolation, lower_bound, upper_bound, lut);
1398
1399 mvm->last_ant_isol = ant_isolation;
1400
1401 if (mvm->last_corun_lut == lut)
1402 return 0;
1403
1404 mvm->last_corun_lut = lut;
1405
1406 bt_cmd = kzalloc(sizeof(*bt_cmd), GFP_KERNEL);
1407 if (!bt_cmd)
1408 return 0;
1409 cmd.data[0] = bt_cmd;
1410
0ea8d043 1411 bt_cmd->flags = cpu_to_le32(BT_COEX_NW_OLD);
b9fae2d5
EG		 1412 bt_cmd->valid_bit_msk |= cpu_to_le32(BT_VALID_ENABLE |
1413 BT_VALID_CORUN_LUT_20 |
1414 BT_VALID_CORUN_LUT_40);
1415
1416 /* For the moment, use the same LUT for 20GHz and 40GHz */
1417 memcpy(bt_cmd->bt4_corun_lut20, antenna_coupling_ranges[lut].lut20,
1418 sizeof(bt_cmd->bt4_corun_lut20));
1419
1420 memcpy(bt_cmd->bt4_corun_lut40, antenna_coupling_ranges[lut].lut20,
1421 sizeof(bt_cmd->bt4_corun_lut40));
1422
fff47eb0
EG		 1423 ret = iwl_mvm_send_cmd(mvm, &cmd);
1424
1425 kfree(bt_cmd);
1426 return ret;
b9fae2d5 1427}
Linux kernel - Deliverables
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