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iwlwifi: mvm: remove unused flags from TX command
[deliverable/linux.git] / drivers / net / wireless / iwlwifi / mvm / coex.c
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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{
03e304e4
EG		 564 struct iwl_bt_coex_cmd *bt_cmd;
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
ae397472
EG		 573 ret = iwl_send_bt_prio_tbl(mvm);
574 if (ret)
575 return ret;
576
03e304e4
EG		 577 bt_cmd = kzalloc(sizeof(*bt_cmd), GFP_KERNEL);
578 if (!bt_cmd)
579 return -ENOMEM;
580 cmd.data[0] = bt_cmd;
581
a39979a8
EG		 582 lockdep_assert_held(&mvm->mutex);
583
584 if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS)) {
585 switch (mvm->bt_force_ant_mode) {
586 case BT_FORCE_ANT_AUTO:
587 flags = BT_COEX_AUTO;
588 break;
589 case BT_FORCE_ANT_BT:
590 flags = BT_COEX_BT;
591 break;
592 case BT_FORCE_ANT_WIFI:
593 flags = BT_COEX_WIFI;
594 break;
595 default:
596 WARN_ON(1);
597 flags = 0;
598 }
599
600 bt_cmd->flags = cpu_to_le32(flags);
601 bt_cmd->valid_bit_msk = cpu_to_le32(BT_VALID_ENABLE);
602 goto send_cmd;
603 }
604
03e304e4 605 bt_cmd->max_kill = 5;
8a0063a0
EG		 606 bt_cmd->bt4_antenna_isolation_thr = BT_ANTENNA_COUPLING_THRESHOLD;
607 bt_cmd->bt4_antenna_isolation = iwlwifi_mod_params.ant_coupling;
608 bt_cmd->bt4_tx_tx_delta_freq_thr = 15;
609 bt_cmd->bt4_tx_rx_max_freq0 = 15;
e78973ef
EG		 610 bt_cmd->override_primary_lut = BT_COEX_INVALID_LUT;
611 bt_cmd->override_secondary_lut = BT_COEX_INVALID_LUT;
03e304e4 612
dac94da8 613 flags = iwlwifi_mod_params.bt_coex_active ?
931d4160 614 BT_COEX_NW : BT_COEX_DISABLE;
dac94da8 615 bt_cmd->flags = cpu_to_le32(flags);
931d4160 616
dac94da8 617 bt_cmd->valid_bit_msk = cpu_to_le32(BT_VALID_ENABLE |
03e304e4
EG		 618 BT_VALID_BT_PRIO_BOOST |
619 BT_VALID_MAX_KILL |
620 BT_VALID_3W_TMRS |
621 BT_VALID_KILL_ACK |
622 BT_VALID_KILL_CTS |
623 BT_VALID_REDUCED_TX_POWER |
dac94da8
EG		 624 BT_VALID_LUT |
625 BT_VALID_WIFI_RX_SW_PRIO_BOOST |
626 BT_VALID_WIFI_TX_SW_PRIO_BOOST |
dac94da8
EG		 627 BT_VALID_ANT_ISOLATION |
628 BT_VALID_ANT_ISOLATION_THRS |
629 BT_VALID_TXTX_DELTA_FREQ_THRS |
b9c509cc
EG		 630 BT_VALID_TXRX_MAX_FREQ_0 |
631 BT_VALID_SYNC_TO_SCO);
dac94da8 632
741e703b
EG		 633 if (IWL_MVM_BT_COEX_SYNC2SCO)
634 bt_cmd->flags |= cpu_to_le32(BT_COEX_SYNC2SCO);
635
b9fae2d5 636 if (IWL_MVM_BT_COEX_CORUNNING) {
0fed2bcf
EG		 637 bt_cmd->valid_bit_msk |= cpu_to_le32(BT_VALID_CORUN_LUT_20 |
638 BT_VALID_CORUN_LUT_40);
b9fae2d5
EG		 639 bt_cmd->flags |= cpu_to_le32(BT_COEX_CORUNNING);
640 }
641
cdb00563
EG		 642 if (IWL_MVM_BT_COEX_MPLUT) {
643 bt_cmd->flags |= cpu_to_le32(BT_COEX_MPLUT);
0fed2bcf 644 bt_cmd->valid_bit_msk |= cpu_to_le32(BT_VALID_MULTI_PRIO_LUT);
cdb00563
EG		 645 }
646
d1d5e3cd
EG		 647 if (mvm->cfg->bt_shared_single_ant)
648 memcpy(&bt_cmd->decision_lut, iwl_single_shared_ant,
649 sizeof(iwl_single_shared_ant));
650 else
651 memcpy(&bt_cmd->decision_lut, iwl_combined_lookup,
652 sizeof(iwl_combined_lookup));
653
b9fae2d5
EG		 654 /* Take first Co-running block LUT to get started */
655 memcpy(bt_cmd->bt4_corun_lut20, antenna_coupling_ranges[0].lut20,
656 sizeof(bt_cmd->bt4_corun_lut20));
657 memcpy(bt_cmd->bt4_corun_lut40, antenna_coupling_ranges[0].lut20,
658 sizeof(bt_cmd->bt4_corun_lut40));
659
dac94da8
EG		 660 memcpy(&bt_cmd->bt_prio_boost, iwl_bt_prio_boost,
661 sizeof(iwl_bt_prio_boost));
662 memcpy(&bt_cmd->bt4_multiprio_lut, iwl_bt_mprio_lut,
663 sizeof(iwl_bt_mprio_lut));
03e304e4 664 bt_cmd->kill_ack_msk =
931d4160 665 cpu_to_le32(iwl_bt_ack_kill_msk[BT_KILL_MSK_DEFAULT]);
03e304e4 666 bt_cmd->kill_cts_msk =
931d4160
EG		 667 cpu_to_le32(iwl_bt_cts_kill_msk[BT_KILL_MSK_DEFAULT]);
668
a39979a8 669send_cmd:
2b76ef13 670 memset(&mvm->last_bt_notif, 0, sizeof(mvm->last_bt_notif));
dac94da8 671 memset(&mvm->last_bt_ci_cmd, 0, sizeof(mvm->last_bt_ci_cmd));
2b76ef13 672
03e304e4 673 ret = iwl_mvm_send_cmd(mvm, &cmd);
931d4160 674
03e304e4
EG		 675 kfree(bt_cmd);
676 return ret;
931d4160 677}
f421f9c3 678
2b76ef13
EG		 679static int iwl_mvm_bt_udpate_ctrl_kill_msk(struct iwl_mvm *mvm,
680 bool reduced_tx_power)
681{
682 enum iwl_bt_kill_msk bt_kill_msk;
03e304e4 683 struct iwl_bt_coex_cmd *bt_cmd;
2b76ef13 684 struct iwl_bt_coex_profile_notif *notif = &mvm->last_bt_notif;
03e304e4
EG		 685 struct iwl_host_cmd cmd = {
686 .id = BT_CONFIG,
687 .data[0] = &bt_cmd,
688 .len = { sizeof(*bt_cmd), },
689 .dataflags = { IWL_HCMD_DFL_NOCOPY, },
03e304e4
EG		 690 };
691 int ret = 0;
2b76ef13
EG		 692
693 lockdep_assert_held(&mvm->mutex);
694
695 if (reduced_tx_power) {
696 /* Reduced Tx power has precedence on the type of the profile */
697 bt_kill_msk = BT_KILL_MSK_REDUCED_TXPOW;
698 } else {
699 /* Low latency BT profile is active: give higher prio to BT */
700 if (BT_MBOX_MSG(notif, 3, SCO_STATE) ||
701 BT_MBOX_MSG(notif, 3, A2DP_STATE) ||
702 BT_MBOX_MSG(notif, 3, SNIFF_STATE))
703 bt_kill_msk = BT_KILL_MSK_SCO_HID_A2DP;
704 else
705 bt_kill_msk = BT_KILL_MSK_DEFAULT;
706 }
707
708 IWL_DEBUG_COEX(mvm,
709 "Update kill_msk: %d - SCO %sactive A2DP %sactive SNIFF %sactive\n",
710 bt_kill_msk,
711 BT_MBOX_MSG(notif, 3, SCO_STATE) ? "" : "in",
712 BT_MBOX_MSG(notif, 3, A2DP_STATE) ? "" : "in",
713 BT_MBOX_MSG(notif, 3, SNIFF_STATE) ? "" : "in");
714
715 /* Don't send HCMD if there is no update */
716 if (bt_kill_msk == mvm->bt_kill_msk)
717 return 0;
718
719 mvm->bt_kill_msk = bt_kill_msk;
03e304e4
EG		 720
721 bt_cmd = kzalloc(sizeof(*bt_cmd), GFP_KERNEL);
722 if (!bt_cmd)
723 return -ENOMEM;
724 cmd.data[0] = bt_cmd;
7352cac0 725 bt_cmd->flags = cpu_to_le32(BT_COEX_NW);
03e304e4
EG		 726
727 bt_cmd->kill_ack_msk = cpu_to_le32(iwl_bt_ack_kill_msk[bt_kill_msk]);
728 bt_cmd->kill_cts_msk = cpu_to_le32(iwl_bt_cts_kill_msk[bt_kill_msk]);
7352cac0
EG		 729 bt_cmd->valid_bit_msk |= cpu_to_le32(BT_VALID_ENABLE |
730 BT_VALID_KILL_ACK |
731 BT_VALID_KILL_CTS);
2b76ef13 732
dac94da8
EG		 733 IWL_DEBUG_COEX(mvm, "ACK Kill msk = 0x%08x, CTS Kill msk = 0x%08x\n",
734 iwl_bt_ack_kill_msk[bt_kill_msk],
735 iwl_bt_cts_kill_msk[bt_kill_msk]);
03e304e4
EG		 736
737 ret = iwl_mvm_send_cmd(mvm, &cmd);
738
739 kfree(bt_cmd);
740 return ret;
2b76ef13
EG		 741}
742
1fa477c6
EG		 743static int iwl_mvm_bt_coex_reduced_txp(struct iwl_mvm *mvm, u8 sta_id,
744 bool enable)
2b76ef13 745{
03e304e4
EG		 746 struct iwl_bt_coex_cmd *bt_cmd;
747 /* Send ASYNC since this can be sent from an atomic context */
748 struct iwl_host_cmd cmd = {
749 .id = BT_CONFIG,
750 .len = { sizeof(*bt_cmd), },
b9fae2d5 751 .dataflags = { IWL_HCMD_DFL_NOCOPY, },
03e304e4 752 .flags = CMD_ASYNC,
2b76ef13 753 };
2b76ef13 754 struct iwl_mvm_sta *mvmsta;
03e304e4 755 int ret;
2b76ef13 756
f327b04c
EG		 757 mvmsta = iwl_mvm_sta_from_staid_protected(mvm, sta_id);
758 if (!mvmsta)
2b76ef13
EG		 759 return 0;
760
2b76ef13 761 /* nothing to do */
1fa477c6 762 if (mvmsta->bt_reduced_txpower == enable)
2b76ef13
EG		 763 return 0;
764
03e304e4
EG		 765 bt_cmd = kzalloc(sizeof(*bt_cmd), GFP_ATOMIC);
766 if (!bt_cmd)
767 return -ENOMEM;
768 cmd.data[0] = bt_cmd;
7352cac0 769 bt_cmd->flags = cpu_to_le32(BT_COEX_NW);
03e304e4 770
7352cac0
EG		 771 bt_cmd->valid_bit_msk =
772 cpu_to_le32(BT_VALID_ENABLE | BT_VALID_REDUCED_TX_POWER);
03e304e4
EG		 773 bt_cmd->bt_reduced_tx_power = sta_id;
774
2b76ef13 775 if (enable)
03e304e4 776 bt_cmd->bt_reduced_tx_power |= BT_REDUCED_TX_POWER_BIT;
2b76ef13
EG		 777
778 IWL_DEBUG_COEX(mvm, "%sable reduced Tx Power for sta %d\n",
779 enable ? "en" : "dis", sta_id);
780
781 mvmsta->bt_reduced_txpower = enable;
782
03e304e4
EG		 783 ret = iwl_mvm_send_cmd(mvm, &cmd);
784
785 kfree(bt_cmd);
786 return ret;
2b76ef13
EG		 787}
788
789struct iwl_bt_iterator_data {
7da052b8 790 struct iwl_bt_coex_profile_notif *notif;
2b76ef13
EG		 791 struct iwl_mvm *mvm;
792 u32 num_bss_ifaces;
9e511c31 793 bool reduced_tx_power;
dac94da8
EG		 794 struct ieee80211_chanctx_conf *primary;
795 struct ieee80211_chanctx_conf *secondary;
0ee5bcdd 796 bool primary_ll;
7da052b8
EG		 797};
798
f6fc5775
EG		 799static inline
800void iwl_mvm_bt_coex_enable_rssi_event(struct iwl_mvm *mvm,
801 struct ieee80211_vif *vif,
802 bool enable, int rssi)
803{
804 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
805
806 mvmvif->bf_data.last_bt_coex_event = rssi;
807 mvmvif->bf_data.bt_coex_max_thold =
8286d9f5 808 enable ? -IWL_MVM_BT_COEX_EN_RED_TXP_THRESH : 0;
f6fc5775 809 mvmvif->bf_data.bt_coex_min_thold =
8286d9f5 810 enable ? -IWL_MVM_BT_COEX_DIS_RED_TXP_THRESH : 0;
f6fc5775
EG		 811}
812
dac94da8 813/* must be called under rcu_read_lock */
7da052b8
EG		 814static void iwl_mvm_bt_notif_iterator(void *_data, u8 *mac,
815 struct ieee80211_vif *vif)
816{
817 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2b76ef13
EG		 818 struct iwl_bt_iterator_data *data = _data;
819 struct iwl_mvm *mvm = data->mvm;
7da052b8
EG		 820 struct ieee80211_chanctx_conf *chanctx_conf;
821 enum ieee80211_smps_mode smps_mode;
f6415f6b 822 u32 bt_activity_grading;
2b76ef13 823 int ave_rssi;
7da052b8 824
9ee718aa 825 lockdep_assert_held(&mvm->mutex);
7da052b8 826
f6415f6b
EG		 827 switch (vif->type) {
828 case NL80211_IFTYPE_STATION:
4d66449a
EG		 829 /* Count BSSes vifs */
830 data->num_bss_ifaces++;
f6415f6b
EG		 831 /* default smps_mode for BSS / P2P client is AUTOMATIC */
832 smps_mode = IEEE80211_SMPS_AUTOMATIC;
f6415f6b
EG		 833 break;
834 case NL80211_IFTYPE_AP:
835 /* default smps_mode for AP / GO is OFF */
836 smps_mode = IEEE80211_SMPS_OFF;
837 if (!mvmvif->ap_ibss_active) {
838 iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_BT_COEX,
839 smps_mode);
840 return;
841 }
7da052b8 842
f6415f6b
EG		 843 /* the Ack / Cts kill mask must be default if AP / GO */
844 data->reduced_tx_power = false;
845 break;
846 default:
847 return;
848 }
7da052b8 849
dac94da8
EG		 850 chanctx_conf = rcu_dereference(vif->chanctx_conf);
851
852 /* If channel context is invalid or not on 2.4GHz .. */
853 if ((!chanctx_conf ||
854 chanctx_conf->def.chan->band != IEEE80211_BAND_2GHZ)) {
f6415f6b
EG		 855 /* ... relax constraints and disable rssi events */
856 iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_BT_COEX,
857 smps_mode);
4d66449a 858 data->reduced_tx_power = false;
0f618e6e
EG		 859 if (vif->type == NL80211_IFTYPE_STATION) {
860 iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id,
861 false);
f6415f6b 862 iwl_mvm_bt_coex_enable_rssi_event(mvm, vif, false, 0);
0f618e6e 863 }
41069b46 864 return;
dac94da8
EG		 865 }
866
f6415f6b
EG		 867 bt_activity_grading = le32_to_cpu(data->notif->bt_activity_grading);
868 if (bt_activity_grading >= BT_HIGH_TRAFFIC)
869 smps_mode = IEEE80211_SMPS_STATIC;
870 else if (bt_activity_grading >= BT_LOW_TRAFFIC)
871 smps_mode = vif->type == NL80211_IFTYPE_AP ?
872 IEEE80211_SMPS_OFF :
873 IEEE80211_SMPS_DYNAMIC;
4d66449a
EG		 874
875 /* relax SMPS contraints for next association */
876 if (!vif->bss_conf.assoc)
877 smps_mode = IEEE80211_SMPS_AUTOMATIC;
878
f6415f6b
EG		 879 IWL_DEBUG_COEX(data->mvm,
880 "mac %d: bt_status %d bt_activity_grading %d smps_req %d\n",
881 mvmvif->id, data->notif->bt_status, bt_activity_grading,
882 smps_mode);
883
884 iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_BT_COEX, smps_mode);
885
0ee5bcdd
EG		 886 /* low latency is always primary */
887 if (iwl_mvm_vif_low_latency(mvmvif)) {
888 data->primary_ll = true;
889
890 data->secondary = data->primary;
891 data->primary = chanctx_conf;
892 }
893
dac94da8 894 if (vif->type == NL80211_IFTYPE_AP) {
5023d966 895 if (!mvmvif->ap_ibss_active)
dac94da8
EG		 896 return;
897
dac94da8
EG		 898 if (chanctx_conf == data->primary)
899 return;
900
0ee5bcdd
EG		 901 if (!data->primary_ll) {
902 /*
903 * downgrade the current primary no matter what its
904 * type is.
905 */
906 data->secondary = data->primary;
907 data->primary = chanctx_conf;
908 } else {
909 /* there is low latency vif - we will be secondary */
910 data->secondary = chanctx_conf;
911 }
9166b1ee
EG		 912 return;
913 }
914
0ee5bcdd
EG		 915 /*
916 * STA / P2P Client, try to be primary if first vif. If we are in low
917 * latency mode, we are already in primary and just don't do much
918 */
dac94da8
EG		 919 if (!data->primary || data->primary == chanctx_conf)
920 data->primary = chanctx_conf;
921 else if (!data->secondary)
922 /* if secondary is not NULL, it might be a GO */
923 data->secondary = chanctx_conf;
924
4d66449a
EG		 925 /*
926 * don't reduce the Tx power if one of these is true:
927 * we are in LOOSE
928 * single share antenna product
929 * BT is active
930 * we are associated
931 */
39149911 932 if (iwl_get_coex_type(mvm, vif) == BT_COEX_LOOSE_LUT ||
4d66449a
EG		 933 mvm->cfg->bt_shared_single_ant || !vif->bss_conf.assoc ||
934 !data->notif->bt_status) {
39149911 935 data->reduced_tx_power = false;
0f618e6e 936 iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, false);
f6fc5775 937 iwl_mvm_bt_coex_enable_rssi_event(mvm, vif, false, 0);
2b76ef13 938 return;
39149911 939 }
2b76ef13 940
911222b5
AO		 941 /* try to get the avg rssi from fw */
942 ave_rssi = mvmvif->bf_data.ave_beacon_signal;
2b76ef13
EG		 943
944 /* if the RSSI isn't valid, fake it is very low */
945 if (!ave_rssi)
946 ave_rssi = -100;
8286d9f5 947 if (ave_rssi > -IWL_MVM_BT_COEX_EN_RED_TXP_THRESH) {
2b76ef13
EG		 948 if (iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, true))
949 IWL_ERR(mvm, "Couldn't send BT_CONFIG cmd\n");
950
951 /*
952 * bt_kill_msk can be BT_KILL_MSK_REDUCED_TXPOW only if all the
953 * BSS / P2P clients have rssi above threshold.
954 * We set the bt_kill_msk to BT_KILL_MSK_REDUCED_TXPOW before
955 * the iteration, if one interface's rssi isn't good enough,
956 * bt_kill_msk will be set to default values.
957 */
8286d9f5 958 } else if (ave_rssi < -IWL_MVM_BT_COEX_DIS_RED_TXP_THRESH) {
2b76ef13
EG		 959 if (iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, false))
960 IWL_ERR(mvm, "Couldn't send BT_CONFIG cmd\n");
961
962 /*
963 * One interface hasn't rssi above threshold, bt_kill_msk must
964 * be set to default values.
965 */
9e511c31 966 data->reduced_tx_power = false;
2b76ef13
EG		 967 }
968
969 /* Begin to monitor the RSSI: it may influence the reduced Tx power */
f6fc5775 970 iwl_mvm_bt_coex_enable_rssi_event(mvm, vif, true, ave_rssi);
7da052b8
EG		 971}
972
d37cac98 973static void iwl_mvm_bt_coex_notif_handle(struct iwl_mvm *mvm)
f421f9c3 974{
2b76ef13 975 struct iwl_bt_iterator_data data = {
7da052b8 976 .mvm = mvm,
d37cac98 977 .notif = &mvm->last_bt_notif,
9e511c31 978 .reduced_tx_power = true,
7da052b8 979 };
dac94da8
EG		 980 struct iwl_bt_coex_ci_cmd cmd = {};
981 u8 ci_bw_idx;
f421f9c3 982
a39979a8
EG		 983 /* Ignore updates if we are in force mode */
984 if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS))
985 return;
986
dac94da8 987 rcu_read_lock();
7da052b8
EG		 988 ieee80211_iterate_active_interfaces_atomic(
989 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
990 iwl_mvm_bt_notif_iterator, &data);
991
dac94da8
EG		 992 if (data.primary) {
993 struct ieee80211_chanctx_conf *chan = data.primary;
994 if (WARN_ON(!chan->def.chan)) {
995 rcu_read_unlock();
996 return;
997 }
998
999 if (chan->def.width < NL80211_CHAN_WIDTH_40) {
1000 ci_bw_idx = 0;
1001 cmd.co_run_bw_primary = 0;
1002 } else {
1003 cmd.co_run_bw_primary = 1;
1004 if (chan->def.center_freq1 >
1005 chan->def.chan->center_freq)
1006 ci_bw_idx = 2;
1007 else
1008 ci_bw_idx = 1;
1009 }
1010
1011 cmd.bt_primary_ci =
1012 iwl_ci_mask[chan->def.chan->hw_value][ci_bw_idx];
1013 cmd.primary_ch_phy_id = *((u16 *)data.primary->drv_priv);
1014 }
1015
1016 if (data.secondary) {
1017 struct ieee80211_chanctx_conf *chan = data.secondary;
1018 if (WARN_ON(!data.secondary->def.chan)) {
1019 rcu_read_unlock();
1020 return;
1021 }
1022
1023 if (chan->def.width < NL80211_CHAN_WIDTH_40) {
1024 ci_bw_idx = 0;
1025 cmd.co_run_bw_secondary = 0;
1026 } else {
1027 cmd.co_run_bw_secondary = 1;
1028 if (chan->def.center_freq1 >
1029 chan->def.chan->center_freq)
1030 ci_bw_idx = 2;
1031 else
1032 ci_bw_idx = 1;
1033 }
1034
1035 cmd.bt_secondary_ci =
1036 iwl_ci_mask[chan->def.chan->hw_value][ci_bw_idx];
c92f06a1 1037 cmd.secondary_ch_phy_id = *((u16 *)data.secondary->drv_priv);
dac94da8
EG		 1038 }
1039
1040 rcu_read_unlock();
1041
1042 /* Don't spam the fw with the same command over and over */
1043 if (memcmp(&cmd, &mvm->last_bt_ci_cmd, sizeof(cmd))) {
a1022927 1044 if (iwl_mvm_send_cmd_pdu(mvm, BT_COEX_CI, 0,
dac94da8 1045 sizeof(cmd), &cmd))
3c6acb61 1046 IWL_ERR(mvm, "Failed to send BT_CI cmd\n");
dac94da8
EG		 1047 memcpy(&mvm->last_bt_ci_cmd, &cmd, sizeof(cmd));
1048 }
1049
2b76ef13
EG		 1050 /*
1051 * If there are no BSS / P2P client interfaces, reduced Tx Power is
1052 * irrelevant since it is based on the RSSI coming from the beacon.
1053 * Use BT_KILL_MSK_DEFAULT in that case.
1054 */
9e511c31 1055 data.reduced_tx_power = data.reduced_tx_power && data.num_bss_ifaces;
2b76ef13 1056
9e511c31 1057 if (iwl_mvm_bt_udpate_ctrl_kill_msk(mvm, data.reduced_tx_power))
2b76ef13 1058 IWL_ERR(mvm, "Failed to update the ctrl_kill_msk\n");
9166b1ee
EG		 1059}
1060
9166b1ee
EG		 1061int iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm,
1062 struct iwl_rx_cmd_buffer *rxb,
1063 struct iwl_device_cmd *dev_cmd)
1064{
1065 struct iwl_rx_packet *pkt = rxb_addr(rxb);
1066 struct iwl_bt_coex_profile_notif *notif = (void *)pkt->data;
1067
1068
1069 IWL_DEBUG_COEX(mvm, "BT Coex Notification received\n");
dac94da8
EG		 1070 IWL_DEBUG_COEX(mvm, "\tBT status: %s\n",
1071 notif->bt_status ? "ON" : "OFF");
9166b1ee 1072 IWL_DEBUG_COEX(mvm, "\tBT open conn %d\n", notif->bt_open_conn);
dac94da8
EG		 1073 IWL_DEBUG_COEX(mvm, "\tBT ci compliance %d\n", notif->bt_ci_compliance);
1074 IWL_DEBUG_COEX(mvm, "\tBT primary_ch_lut %d\n",
1075 le32_to_cpu(notif->primary_ch_lut));
1076 IWL_DEBUG_COEX(mvm, "\tBT secondary_ch_lut %d\n",
1077 le32_to_cpu(notif->secondary_ch_lut));
1078 IWL_DEBUG_COEX(mvm, "\tBT activity grading %d\n",
1079 le32_to_cpu(notif->bt_activity_grading));
9166b1ee
EG		 1080 IWL_DEBUG_COEX(mvm, "\tBT agg traffic load %d\n",
1081 notif->bt_agg_traffic_load);
9166b1ee 1082
d37cac98
EG		 1083 /* remember this notification for future use: rssi fluctuations */
1084 memcpy(&mvm->last_bt_notif, notif, sizeof(mvm->last_bt_notif));
1085
1086 iwl_mvm_bt_coex_notif_handle(mvm);
2b76ef13
EG		 1087
1088 /*
1089 * This is an async handler for a notification, returning anything other
1090 * than 0 doesn't make sense even if HCMD failed.
1091 */
1092 return 0;
1093}
1094
1095static void iwl_mvm_bt_rssi_iterator(void *_data, u8 *mac,
1096 struct ieee80211_vif *vif)
1097{
1098 struct iwl_mvm_vif *mvmvif = (void *)vif->drv_priv;
1099 struct iwl_bt_iterator_data *data = _data;
1100 struct iwl_mvm *mvm = data->mvm;
1101
1102 struct ieee80211_sta *sta;
1103 struct iwl_mvm_sta *mvmsta;
1104
f6fc5775
EG		 1105 struct ieee80211_chanctx_conf *chanctx_conf;
1106
1107 rcu_read_lock();
1108 chanctx_conf = rcu_dereference(vif->chanctx_conf);
1109 /* If channel context is invalid or not on 2.4GHz - don't count it */
1110 if (!chanctx_conf ||
1111 chanctx_conf->def.chan->band != IEEE80211_BAND_2GHZ) {
1112 rcu_read_unlock();
1113 return;
1114 }
1115 rcu_read_unlock();
1116
2b76ef13
EG		 1117 if (vif->type != NL80211_IFTYPE_STATION ||
1118 mvmvif->ap_sta_id == IWL_MVM_STATION_COUNT)
1119 return;
1120
1121 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[mvmvif->ap_sta_id],
1122 lockdep_is_held(&mvm->mutex));
56c07a9c
EG		 1123
1124 /* This can happen if the station has been removed right now */
1125 if (IS_ERR_OR_NULL(sta))
1126 return;
1127
5b577a90 1128 mvmsta = iwl_mvm_sta_from_mac80211(sta);
2b76ef13 1129
8e0366f9
EG		 1130 data->num_bss_ifaces++;
1131
2b76ef13
EG		 1132 /*
1133 * This interface doesn't support reduced Tx power (because of low
1134 * RSSI probably), then set bt_kill_msk to default values.
1135 */
1136 if (!mvmsta->bt_reduced_txpower)
9e511c31 1137 data->reduced_tx_power = false;
2b76ef13
EG		 1138 /* else - possibly leave it to BT_KILL_MSK_REDUCED_TXPOW */
1139}
1140
1141void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1142 enum ieee80211_rssi_event rssi_event)
1143{
1144 struct iwl_mvm_vif *mvmvif = (void *)vif->drv_priv;
2b76ef13
EG		 1145 struct iwl_bt_iterator_data data = {
1146 .mvm = mvm,
9e511c31 1147 .reduced_tx_power = true,
2b76ef13
EG		 1148 };
1149 int ret;
1150
3dd1cd2d 1151 lockdep_assert_held(&mvm->mutex);
2b76ef13 1152
a39979a8
EG		 1153 /* Ignore updates if we are in force mode */
1154 if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS))
1155 return;
1156
1e929199
EG		 1157 /*
1158 * Rssi update while not associated - can happen since the statistics
1159 * are handled asynchronously
1160 */
1161 if (mvmvif->ap_sta_id == IWL_MVM_STATION_COUNT)
3dd1cd2d 1162 return;
2b76ef13 1163
4515f30f 1164 /* No BT - reports should be disabled */
0af8835e 1165 if (!mvm->last_bt_notif.bt_status)
3dd1cd2d 1166 return;
2b76ef13
EG		 1167
1168 IWL_DEBUG_COEX(mvm, "RSSI for %pM is now %s\n", vif->bss_conf.bssid,
1169 rssi_event == RSSI_EVENT_HIGH ? "HIGH" : "LOW");
1170
1171 /*
1172 * Check if rssi is good enough for reduced Tx power, but not in loose
1173 * scheme.
1174 */
39149911 1175 if (rssi_event == RSSI_EVENT_LOW || mvm->cfg->bt_shared_single_ant ||
4515f30f 1176 iwl_get_coex_type(mvm, vif) == BT_COEX_LOOSE_LUT)
2b76ef13
EG		 1177 ret = iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id,
1178 false);
f421f9c3 1179 else
2b76ef13 1180 ret = iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, true);
f421f9c3 1181
2b76ef13
EG		 1182 if (ret)
1183 IWL_ERR(mvm, "couldn't send BT_CONFIG HCMD upon RSSI event\n");
f421f9c3 1184
2b76ef13
EG		 1185 ieee80211_iterate_active_interfaces_atomic(
1186 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
1187 iwl_mvm_bt_rssi_iterator, &data);
f421f9c3 1188
2b76ef13
EG		 1189 /*
1190 * If there are no BSS / P2P client interfaces, reduced Tx Power is
1191 * irrelevant since it is based on the RSSI coming from the beacon.
1192 * Use BT_KILL_MSK_DEFAULT in that case.
1193 */
9e511c31 1194 data.reduced_tx_power = data.reduced_tx_power && data.num_bss_ifaces;
f421f9c3 1195
9e511c31 1196 if (iwl_mvm_bt_udpate_ctrl_kill_msk(mvm, data.reduced_tx_power))
2b76ef13 1197 IWL_ERR(mvm, "Failed to update the ctrl_kill_msk\n");
f421f9c3 1198}
9166b1ee 1199
9145d151
EG		 1200#define LINK_QUAL_AGG_TIME_LIMIT_DEF (4000)
1201#define LINK_QUAL_AGG_TIME_LIMIT_BT_ACT (1200)
1202
5b7ff615
EG		 1203u16 iwl_mvm_coex_agg_time_limit(struct iwl_mvm *mvm,
1204 struct ieee80211_sta *sta)
9145d151 1205{
5b577a90 1206 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
9145d151
EG		 1207 enum iwl_bt_coex_lut_type lut_type;
1208
1209 if (le32_to_cpu(mvm->last_bt_notif.bt_activity_grading) <
c2119351 1210 BT_HIGH_TRAFFIC)
9145d151
EG		 1211 return LINK_QUAL_AGG_TIME_LIMIT_DEF;
1212
35fbf5d0
EG		 1213 if (mvm->last_bt_notif.ttc_enabled)
1214 return LINK_QUAL_AGG_TIME_LIMIT_DEF;
1215
9145d151
EG		 1216 lut_type = iwl_get_coex_type(mvm, mvmsta->vif);
1217
7fa4fa0c 1218 if (lut_type == BT_COEX_LOOSE_LUT || lut_type == BT_COEX_INVALID_LUT)
9145d151
EG		 1219 return LINK_QUAL_AGG_TIME_LIMIT_DEF;
1220
1221 /* tight coex, high bt traffic, reduce AGG time limit */
1222 return LINK_QUAL_AGG_TIME_LIMIT_BT_ACT;
1223}
1224
ffa6c707
EG		 1225bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm,
1226 struct ieee80211_sta *sta)
1227{
5b577a90 1228 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
7fa4fa0c 1229 enum iwl_bt_coex_lut_type lut_type;
ffa6c707 1230
35fbf5d0
EG		 1231 if (mvm->last_bt_notif.ttc_enabled)
1232 return true;
1233
ffa6c707
EG		 1234 if (le32_to_cpu(mvm->last_bt_notif.bt_activity_grading) <
1235 BT_HIGH_TRAFFIC)
1236 return true;
1237
1238 /*
7fa4fa0c
EG		 1239 * In Tight / TxTxDis, BT can't Rx while we Tx, so use both antennas
1240 * since BT is already killed.
1241 * In Loose, BT can Rx while we Tx, so forbid MIMO to let BT Rx while
1242 * we Tx.
1243 * When we are in 5GHz, we'll get BT_COEX_INVALID_LUT allowing MIMO.
ffa6c707 1244 */
7fa4fa0c
EG		 1245 lut_type = iwl_get_coex_type(mvm, mvmsta->vif);
1246 return lut_type != BT_COEX_LOOSE_LUT;
ffa6c707
EG		 1247}
1248
34c8b24f
EG		 1249bool iwl_mvm_bt_coex_is_shared_ant_avail(struct iwl_mvm *mvm)
1250{
1251 return le32_to_cpu(mvm->last_bt_notif.bt_activity_grading) == BT_OFF;
1252}
1253
2fd647f8
EP		 1254bool iwl_mvm_bt_coex_is_tpc_allowed(struct iwl_mvm *mvm,
1255 enum ieee80211_band band)
1256{
1257 u32 bt_activity = le32_to_cpu(mvm->last_bt_notif.bt_activity_grading);
1258
1259 if (band != IEEE80211_BAND_2GHZ)
1260 return false;
1261
1262 return bt_activity >= BT_LOW_TRAFFIC;
1263}
1264
ee7bea58 1265u8 iwl_mvm_bt_coex_tx_prio(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr,
b797e3fb 1266 struct ieee80211_tx_info *info, u8 ac)
ee7bea58
EG		 1267{
1268 __le16 fc = hdr->frame_control;
1269
b797e3fb
EG		 1270 if (info->band != IEEE80211_BAND_2GHZ)
1271 return 0;
1272
cdb00563
EG		 1273 if (unlikely(mvm->bt_tx_prio))
1274 return mvm->bt_tx_prio - 1;
1275
ee7bea58 1276 /* High prio packet (wrt. BT coex) if it is EAPOL, MCAST or MGMT */
b797e3fb 1277 if (info->control.flags & IEEE80211_TX_CTRL_PORT_CTRL_PROTO ||
ee7bea58 1278 is_multicast_ether_addr(hdr->addr1) ||
b797e3fb
EG		 1279 ieee80211_is_ctl(fc) || ieee80211_is_mgmt(fc) ||
1280 ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc))
1281 return 3;
1282
1283 switch (ac) {
1284 case IEEE80211_AC_BE:
1285 return 1;
1286 case IEEE80211_AC_VO:
1287 return 3;
1288 case IEEE80211_AC_VI:
ee7bea58 1289 return 2;
b797e3fb
EG		 1290 default:
1291 break;
1292 }
ee7bea58
EG		 1293
1294 return 0;
1295}
1296
8e484f0b 1297void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm)
9166b1ee 1298{
d37cac98 1299 iwl_mvm_bt_coex_notif_handle(mvm);
9166b1ee 1300}
b9fae2d5
EG		 1301
1302int iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm,
1303 struct iwl_rx_cmd_buffer *rxb,
1304 struct iwl_device_cmd *dev_cmd)
1305{
1306 struct iwl_rx_packet *pkt = rxb_addr(rxb);
1307 u32 ant_isolation = le32_to_cpup((void *)pkt->data);
1308 u8 __maybe_unused lower_bound, upper_bound;
fff47eb0 1309 int ret;
b9fae2d5
EG		 1310 u8 lut;
1311
1312 struct iwl_bt_coex_cmd *bt_cmd;
1313 struct iwl_host_cmd cmd = {
1314 .id = BT_CONFIG,
1315 .len = { sizeof(*bt_cmd), },
1316 .dataflags = { IWL_HCMD_DFL_NOCOPY, },
b9fae2d5
EG		 1317 };
1318
1319 if (!IWL_MVM_BT_COEX_CORUNNING)
1320 return 0;
1321
1322 lockdep_assert_held(&mvm->mutex);
1323
a39979a8
EG		 1324 /* Ignore updates if we are in force mode */
1325 if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS))
1326 return 0;
1327
b9fae2d5
EG		 1328 if (ant_isolation == mvm->last_ant_isol)
1329 return 0;
1330
1331 for (lut = 0; lut < ARRAY_SIZE(antenna_coupling_ranges) - 1; lut++)
1332 if (ant_isolation < antenna_coupling_ranges[lut + 1].range)
1333 break;
1334
1335 lower_bound = antenna_coupling_ranges[lut].range;
1336
1337 if (lut < ARRAY_SIZE(antenna_coupling_ranges) - 1)
1338 upper_bound = antenna_coupling_ranges[lut + 1].range;
1339 else
1340 upper_bound = antenna_coupling_ranges[lut].range;
1341
1342 IWL_DEBUG_COEX(mvm, "Antenna isolation=%d in range [%d,%d[, lut=%d\n",
1343 ant_isolation, lower_bound, upper_bound, lut);
1344
1345 mvm->last_ant_isol = ant_isolation;
1346
1347 if (mvm->last_corun_lut == lut)
1348 return 0;
1349
1350 mvm->last_corun_lut = lut;
1351
1352 bt_cmd = kzalloc(sizeof(*bt_cmd), GFP_KERNEL);
1353 if (!bt_cmd)
1354 return 0;
1355 cmd.data[0] = bt_cmd;
1356
1357 bt_cmd->flags = cpu_to_le32(BT_COEX_NW);
1358 bt_cmd->valid_bit_msk |= cpu_to_le32(BT_VALID_ENABLE |
1359 BT_VALID_CORUN_LUT_20 |
1360 BT_VALID_CORUN_LUT_40);
1361
1362 /* For the moment, use the same LUT for 20GHz and 40GHz */
1363 memcpy(bt_cmd->bt4_corun_lut20, antenna_coupling_ranges[lut].lut20,
1364 sizeof(bt_cmd->bt4_corun_lut20));
1365
1366 memcpy(bt_cmd->bt4_corun_lut40, antenna_coupling_ranges[lut].lut20,
1367 sizeof(bt_cmd->bt4_corun_lut40));
1368
fff47eb0
EG		 1369 ret = iwl_mvm_send_cmd(mvm, &cmd);
1370
1371 kfree(bt_cmd);
1372 return ret;
b9fae2d5 1373}
Linux kernel - Deliverables
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