drivers/net/wireless/iwlwifi/mvm/coex.c

   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  *
   8  * Copyright(c) 2013 - 2014 Intel Corporation. All rights reserved.
   9  * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of version 2 of the GNU General Public License as
  13  * published by the Free Software Foundation.
  14  *
  15  * This program is distributed in the hope that it will be useful, but
  16  * WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18  * General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
  23  * USA
  24  *
  25  * The full GNU General Public License is included in this distribution
  26  * in the file called COPYING.
  27  *
  28  * Contact Information:
  29  *  Intel Linux Wireless <ilw@linux.intel.com>
  30  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  31  *
  32  * BSD LICENSE
  33  *
  34  * Copyright(c) 2013 - 2014 Intel Corporation. All rights reserved.
  35  * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  36  * All rights reserved.
  37  *
  38  * Redistribution and use in source and binary forms, with or without
  39  * modification, are permitted provided that the following conditions
  40  * are met:
  41  *
  42  *  * Redistributions of source code must retain the above copyright
  43  *    notice, this list of conditions and the following disclaimer.
  44  *  * Redistributions in binary form must reproduce the above copyright
  45  *    notice, this list of conditions and the following disclaimer in
  46  *    the documentation and/or other materials provided with the
  47  *    distribution.
  48  *  * Neither the name Intel Corporation nor the names of its
  49  *    contributors may be used to endorse or promote products derived
  50  *    from this software without specific prior written permission.
  51  *
  52  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  53  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  54  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  55  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  56  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  57  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  58  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  59  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  60  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  61  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  62  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  63  *
  64  *****************************************************************************/
  65
  66 #include <linux/ieee80211.h>
  67 #include <linux/etherdevice.h>
  68 #include <net/mac80211.h>
  69
  70 #include "fw-api-coex.h"
  71 #include "iwl-modparams.h"
  72 #include "mvm.h"
  73 #include "iwl-debug.h"
  74
  75 #define BT_ANTENNA_COUPLING_THRESHOLD           (30)
  76
  77 const u32 iwl_bt_ctl_kill_msk[BT_KILL_MSK_MAX] = {
  78         [BT_KILL_MSK_DEFAULT] = 0xfffffc00,
  79         [BT_KILL_MSK_NEVER] = 0xffffffff,
  80         [BT_KILL_MSK_ALWAYS] = 0,
  81 };
  82
  83 const u8 iwl_bt_cts_kill_msk[BT_MAX_AG][BT_COEX_MAX_LUT] = {
  84         {
  85                 BT_KILL_MSK_ALWAYS,
  86                 BT_KILL_MSK_ALWAYS,
  87                 BT_KILL_MSK_ALWAYS,
  88         },
  89         {
  90                 BT_KILL_MSK_NEVER,
  91                 BT_KILL_MSK_NEVER,
  92                 BT_KILL_MSK_NEVER,
  93         },
  94         {
  95                 BT_KILL_MSK_NEVER,
  96                 BT_KILL_MSK_NEVER,
  97                 BT_KILL_MSK_NEVER,
  98         },
  99         {
 100                 BT_KILL_MSK_DEFAULT,
 101                 BT_KILL_MSK_NEVER,
 102                 BT_KILL_MSK_DEFAULT,
 103         },
 104 };
 105
 106 const u8 iwl_bt_ack_kill_msk[BT_MAX_AG][BT_COEX_MAX_LUT] = {
 107         {
 108                 BT_KILL_MSK_ALWAYS,
 109                 BT_KILL_MSK_ALWAYS,
 110                 BT_KILL_MSK_ALWAYS,
 111         },
 112         {
 113                 BT_KILL_MSK_ALWAYS,
 114                 BT_KILL_MSK_ALWAYS,
 115                 BT_KILL_MSK_ALWAYS,
 116         },
 117         {
 118                 BT_KILL_MSK_ALWAYS,
 119                 BT_KILL_MSK_ALWAYS,
 120                 BT_KILL_MSK_ALWAYS,
 121         },
 122         {
 123                 BT_KILL_MSK_DEFAULT,
 124                 BT_KILL_MSK_ALWAYS,
 125                 BT_KILL_MSK_DEFAULT,
 126         },
 127 };
 128
 129 static const __le32 iwl_bt_prio_boost[BT_COEX_BOOST_SIZE] = {
 130         cpu_to_le32(0xf0f0f0f0), /* 50% */
 131         cpu_to_le32(0xc0c0c0c0), /* 25% */
 132         cpu_to_le32(0xfcfcfcfc), /* 75% */
 133         cpu_to_le32(0xfefefefe), /* 87.5% */
 134 };
 135
 136 static const __le32 iwl_single_shared_ant[BT_COEX_MAX_LUT][BT_COEX_LUT_SIZE] = {
 137         {
 138                 cpu_to_le32(0x40000000),
 139                 cpu_to_le32(0x00000000),
 140                 cpu_to_le32(0x44000000),
 141                 cpu_to_le32(0x00000000),
 142                 cpu_to_le32(0x40000000),
 143                 cpu_to_le32(0x00000000),
 144                 cpu_to_le32(0x44000000),
 145                 cpu_to_le32(0x00000000),
 146                 cpu_to_le32(0xc0004000),
 147                 cpu_to_le32(0xf0005000),
 148                 cpu_to_le32(0xc0004000),
 149                 cpu_to_le32(0xf0005000),
 150         },
 151         {
 152                 cpu_to_le32(0x40000000),
 153                 cpu_to_le32(0x00000000),
 154                 cpu_to_le32(0x44000000),
 155                 cpu_to_le32(0x00000000),
 156                 cpu_to_le32(0x40000000),
 157                 cpu_to_le32(0x00000000),
 158                 cpu_to_le32(0x44000000),
 159                 cpu_to_le32(0x00000000),
 160                 cpu_to_le32(0xc0004000),
 161                 cpu_to_le32(0xf0005000),
 162                 cpu_to_le32(0xc0004000),
 163                 cpu_to_le32(0xf0005000),
 164         },
 165         {
 166                 cpu_to_le32(0x40000000),
 167                 cpu_to_le32(0x00000000),
 168                 cpu_to_le32(0x44000000),
 169                 cpu_to_le32(0x00000000),
 170                 cpu_to_le32(0x40000000),
 171                 cpu_to_le32(0x00000000),
 172                 cpu_to_le32(0x44000000),
 173                 cpu_to_le32(0x00000000),
 174                 cpu_to_le32(0xc0004000),
 175                 cpu_to_le32(0xf0005000),
 176                 cpu_to_le32(0xc0004000),
 177                 cpu_to_le32(0xf0005000),
 178         },
 179 };
 180
 181 static const __le32 iwl_combined_lookup[BT_COEX_MAX_LUT][BT_COEX_LUT_SIZE] = {
 182         {
 183                 /* Tight */
 184                 cpu_to_le32(0xaaaaaaaa),
 185                 cpu_to_le32(0xaaaaaaaa),
 186                 cpu_to_le32(0xaeaaaaaa),
 187                 cpu_to_le32(0xaaaaaaaa),
 188                 cpu_to_le32(0xcc00ff28),
 189                 cpu_to_le32(0x0000aaaa),
 190                 cpu_to_le32(0xcc00aaaa),
 191                 cpu_to_le32(0x0000aaaa),
 192                 cpu_to_le32(0xc0004000),
 193                 cpu_to_le32(0x00004000),
 194                 cpu_to_le32(0xf0005000),
 195                 cpu_to_le32(0xf0005000),
 196         },
 197         {
 198                 /* Loose */
 199                 cpu_to_le32(0xaaaaaaaa),
 200                 cpu_to_le32(0xaaaaaaaa),
 201                 cpu_to_le32(0xaaaaaaaa),
 202                 cpu_to_le32(0xaaaaaaaa),
 203                 cpu_to_le32(0xcc00ff28),
 204                 cpu_to_le32(0x0000aaaa),
 205                 cpu_to_le32(0xcc00aaaa),
 206                 cpu_to_le32(0x0000aaaa),
 207                 cpu_to_le32(0x00000000),
 208                 cpu_to_le32(0x00000000),
 209                 cpu_to_le32(0xf0005000),
 210                 cpu_to_le32(0xf0005000),
 211         },
 212         {
 213                 /* Tx Tx disabled */
 214                 cpu_to_le32(0xaaaaaaaa),
 215                 cpu_to_le32(0xaaaaaaaa),
 216                 cpu_to_le32(0xeeaaaaaa),
 217                 cpu_to_le32(0xaaaaaaaa),
 218                 cpu_to_le32(0xcc00ff28),
 219                 cpu_to_le32(0x0000aaaa),
 220                 cpu_to_le32(0xcc00aaaa),
 221                 cpu_to_le32(0x0000aaaa),
 222                 cpu_to_le32(0xc0004000),
 223                 cpu_to_le32(0xc0004000),
 224                 cpu_to_le32(0xf0005000),
 225                 cpu_to_le32(0xf0005000),
 226         },
 227 };
 228
 229 /* 20MHz / 40MHz below / 40Mhz above*/
 230 static const __le64 iwl_ci_mask[][3] = {
 231         /* dummy entry for channel 0 */
 232         {cpu_to_le64(0), cpu_to_le64(0), cpu_to_le64(0)},
 233         {
 234                 cpu_to_le64(0x0000001FFFULL),
 235                 cpu_to_le64(0x0ULL),
 236                 cpu_to_le64(0x00007FFFFFULL),
 237         },
 238         {
 239                 cpu_to_le64(0x000000FFFFULL),
 240                 cpu_to_le64(0x0ULL),
 241                 cpu_to_le64(0x0003FFFFFFULL),
 242         },
 243         {
 244                 cpu_to_le64(0x000003FFFCULL),
 245                 cpu_to_le64(0x0ULL),
 246                 cpu_to_le64(0x000FFFFFFCULL),
 247         },
 248         {
 249                 cpu_to_le64(0x00001FFFE0ULL),
 250                 cpu_to_le64(0x0ULL),
 251                 cpu_to_le64(0x007FFFFFE0ULL),
 252         },
 253         {
 254                 cpu_to_le64(0x00007FFF80ULL),
 255                 cpu_to_le64(0x00007FFFFFULL),
 256                 cpu_to_le64(0x01FFFFFF80ULL),
 257         },
 258         {
 259                 cpu_to_le64(0x0003FFFC00ULL),
 260                 cpu_to_le64(0x0003FFFFFFULL),
 261                 cpu_to_le64(0x0FFFFFFC00ULL),
 262         },
 263         {
 264                 cpu_to_le64(0x000FFFF000ULL),
 265                 cpu_to_le64(0x000FFFFFFCULL),
 266                 cpu_to_le64(0x3FFFFFF000ULL),
 267         },
 268         {
 269                 cpu_to_le64(0x007FFF8000ULL),
 270                 cpu_to_le64(0x007FFFFFE0ULL),
 271                 cpu_to_le64(0xFFFFFF8000ULL),
 272         },
 273         {
 274                 cpu_to_le64(0x01FFFE0000ULL),
 275                 cpu_to_le64(0x01FFFFFF80ULL),
 276                 cpu_to_le64(0xFFFFFE0000ULL),
 277         },
 278         {
 279                 cpu_to_le64(0x0FFFF00000ULL),
 280                 cpu_to_le64(0x0FFFFFFC00ULL),
 281                 cpu_to_le64(0x0ULL),
 282         },
 283         {
 284                 cpu_to_le64(0x3FFFC00000ULL),
 285                 cpu_to_le64(0x3FFFFFF000ULL),
 286                 cpu_to_le64(0x0)
 287         },
 288         {
 289                 cpu_to_le64(0xFFFE000000ULL),
 290                 cpu_to_le64(0xFFFFFF8000ULL),
 291                 cpu_to_le64(0x0)
 292         },
 293         {
 294                 cpu_to_le64(0xFFF8000000ULL),
 295                 cpu_to_le64(0xFFFFFE0000ULL),
 296                 cpu_to_le64(0x0)
 297         },
 298         {
 299                 cpu_to_le64(0xFFC0000000ULL),
 300                 cpu_to_le64(0x0ULL),
 301                 cpu_to_le64(0x0ULL)
 302         },
 303 };
 304
 305 static const __le32 iwl_bt_mprio_lut[BT_COEX_MULTI_PRIO_LUT_SIZE] = {
 306         cpu_to_le32(0x28412201),
 307         cpu_to_le32(0x11118451),
 308 };
 309
 310 struct corunning_block_luts {
 311         u8 range;
 312         __le32 lut20[BT_COEX_CORUN_LUT_SIZE];
 313 };
 314
 315 /*
 316  * Ranges for the antenna coupling calibration / co-running block LUT:
 317  *              LUT0: [ 0, 12[
 318  *              LUT1: [12, 20[
 319  *              LUT2: [20, 21[
 320  *              LUT3: [21, 23[
 321  *              LUT4: [23, 27[
 322  *              LUT5: [27, 30[
 323  *              LUT6: [30, 32[
 324  *              LUT7: [32, 33[
 325  *              LUT8: [33, - [
 326  */
 327 static const struct corunning_block_luts antenna_coupling_ranges[] = {
 328         {
 329                 .range = 0,
 330                 .lut20 = {
 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                         cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
 346                         cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
 347                 },
 348         },
 349         {
 350                 .range = 12,
 351                 .lut20 = {
 352                         cpu_to_le32(0x00000001),  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                         cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
 367                         cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
 368                 },
 369         },
 370         {
 371                 .range = 20,
 372                 .lut20 = {
 373                         cpu_to_le32(0x00000002),  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                         cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
 388                         cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
 389                 },
 390         },
 391         {
 392                 .range = 21,
 393                 .lut20 = {
 394                         cpu_to_le32(0x00000003),  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                         cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
 409                         cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
 410                 },
 411         },
 412         {
 413                 .range = 23,
 414                 .lut20 = {
 415                         cpu_to_le32(0x00000004),  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                         cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
 430                         cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
 431                 },
 432         },
 433         {
 434                 .range = 27,
 435                 .lut20 = {
 436                         cpu_to_le32(0x00000005),  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                         cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
 451                         cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
 452                 },
 453         },
 454         {
 455                 .range = 30,
 456                 .lut20 = {
 457                         cpu_to_le32(0x00000006),  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                         cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
 472                         cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
 473                 },
 474         },
 475         {
 476                 .range = 32,
 477                 .lut20 = {
 478                         cpu_to_le32(0x00000007),  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                         cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
 493                         cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
 494                 },
 495         },
 496         {
 497                 .range = 33,
 498                 .lut20 = {
 499                         cpu_to_le32(0x00000008),  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                         cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
 514                         cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
 515                 },
 516         },
 517 };
 518
 519 static enum iwl_bt_coex_lut_type
 520 iwl_get_coex_type(struct iwl_mvm *mvm, const struct ieee80211_vif *vif)
 521 {
 522         struct ieee80211_chanctx_conf *chanctx_conf;
 523         enum iwl_bt_coex_lut_type ret;
 524         u16 phy_ctx_id;
 525         u32 primary_ch_phy_id, secondary_ch_phy_id;
 526
 527         /*
 528          * Checking that we hold mvm->mutex is a good idea, but the rate
 529          * control can't acquire the mutex since it runs in Tx path.
 530          * So this is racy in that case, but in the worst case, the AMPDU
 531          * size limit will be wrong for a short time which is not a big
 532          * issue.
 533          */
 534
 535         rcu_read_lock();
 536
 537         chanctx_conf = rcu_dereference(vif->chanctx_conf);
 538
 539         if (!chanctx_conf ||
 540              chanctx_conf->def.chan->band != IEEE80211_BAND_2GHZ) {
 541                 rcu_read_unlock();
 542                 return BT_COEX_INVALID_LUT;
 543         }
 544
 545         ret = BT_COEX_TX_DIS_LUT;
 546
 547         if (mvm->cfg->bt_shared_single_ant) {
 548                 rcu_read_unlock();
 549                 return ret;
 550         }
 551
 552         phy_ctx_id = *((u16 *)chanctx_conf->drv_priv);
 553         primary_ch_phy_id = le32_to_cpu(mvm->last_bt_ci_cmd.primary_ch_phy_id);
 554         secondary_ch_phy_id =
 555                 le32_to_cpu(mvm->last_bt_ci_cmd.secondary_ch_phy_id);
 556
 557         if (primary_ch_phy_id == phy_ctx_id)
 558                 ret = le32_to_cpu(mvm->last_bt_notif.primary_ch_lut);
 559         else if (secondary_ch_phy_id == phy_ctx_id)
 560                 ret = le32_to_cpu(mvm->last_bt_notif.secondary_ch_lut);
 561         /* else - default = TX TX disallowed */
 562
 563         rcu_read_unlock();
 564
 565         return ret;
 566 }
 567
 568 int iwl_send_bt_init_conf(struct iwl_mvm *mvm)
 569 {
 570         struct iwl_bt_coex_cmd *bt_cmd;
 571         struct iwl_host_cmd cmd = {
 572                 .id = BT_CONFIG,
 573                 .len = { sizeof(*bt_cmd), },
 574                 .dataflags = { IWL_HCMD_DFL_NOCOPY, },
 575         };
 576         int ret;
 577         u32 mode;
 578
 579         if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT))
 580                 return iwl_send_bt_init_conf_old(mvm);
 581
 582         bt_cmd = kzalloc(sizeof(*bt_cmd), GFP_KERNEL);
 583         if (!bt_cmd)
 584                 return -ENOMEM;
 585         cmd.data[0] = bt_cmd;
 586
 587         lockdep_assert_held(&mvm->mutex);
 588
 589         if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS)) {
 590                 switch (mvm->bt_force_ant_mode) {
 591                 case BT_FORCE_ANT_BT:
 592                         mode = BT_COEX_BT;
 593                         break;
 594                 case BT_FORCE_ANT_WIFI:
 595                         mode = BT_COEX_WIFI;
 596                         break;
 597                 default:
 598                         WARN_ON(1);
 599                         mode = 0;
 600                 }
 601
 602                 bt_cmd->mode = cpu_to_le32(mode);
 603                 goto send_cmd;
 604         }
 605
 606         bt_cmd->max_kill = cpu_to_le32(5);
 607         bt_cmd->bt4_antenna_isolation_thr =
 608                                 cpu_to_le32(BT_ANTENNA_COUPLING_THRESHOLD);
 609         bt_cmd->bt4_tx_tx_delta_freq_thr = cpu_to_le32(15);
 610         bt_cmd->bt4_tx_rx_max_freq0 = cpu_to_le32(15);
 611         bt_cmd->override_primary_lut = cpu_to_le32(BT_COEX_INVALID_LUT);
 612         bt_cmd->override_secondary_lut = cpu_to_le32(BT_COEX_INVALID_LUT);
 613
 614         mode = iwlwifi_mod_params.bt_coex_active ? BT_COEX_NW : BT_COEX_DISABLE;
 615         bt_cmd->mode = cpu_to_le32(mode);
 616
 617         if (IWL_MVM_BT_COEX_SYNC2SCO)
 618                 bt_cmd->enabled_modules |=
 619                         cpu_to_le32(BT_COEX_SYNC2SCO_ENABLED);
 620
 621         if (IWL_MVM_BT_COEX_CORUNNING)
 622                 bt_cmd->enabled_modules |= cpu_to_le32(BT_COEX_CORUN_ENABLED);
 623
 624         if (IWL_MVM_BT_COEX_MPLUT) {
 625                 bt_cmd->enabled_modules |= cpu_to_le32(BT_COEX_MPLUT_ENABLED);
 626                 bt_cmd->enabled_modules |=
 627                         cpu_to_le32(BT_COEX_MPLUT_BOOST_ENABLED);
 628         }
 629
 630         bt_cmd->enabled_modules |= cpu_to_le32(BT_COEX_HIGH_BAND_RET);
 631
 632         if (mvm->cfg->bt_shared_single_ant)
 633                 memcpy(&bt_cmd->decision_lut, iwl_single_shared_ant,
 634                        sizeof(iwl_single_shared_ant));
 635         else
 636                 memcpy(&bt_cmd->decision_lut, iwl_combined_lookup,
 637                        sizeof(iwl_combined_lookup));
 638
 639         memcpy(&bt_cmd->mplut_prio_boost, iwl_bt_prio_boost,
 640                sizeof(iwl_bt_prio_boost));
 641         memcpy(&bt_cmd->multiprio_lut, iwl_bt_mprio_lut,
 642                sizeof(iwl_bt_mprio_lut));
 643
 644 send_cmd:
 645         memset(&mvm->last_bt_notif, 0, sizeof(mvm->last_bt_notif));
 646         memset(&mvm->last_bt_ci_cmd, 0, sizeof(mvm->last_bt_ci_cmd));
 647
 648         ret = iwl_mvm_send_cmd(mvm, &cmd);
 649
 650         kfree(bt_cmd);
 651         return ret;
 652 }
 653
 654 static int iwl_mvm_bt_udpate_sw_boost(struct iwl_mvm *mvm)
 655 {
 656         struct iwl_bt_coex_profile_notif *notif = &mvm->last_bt_notif;
 657         u32 primary_lut = le32_to_cpu(notif->primary_ch_lut);
 658         u32 secondary_lut = le32_to_cpu(notif->secondary_ch_lut);
 659         u32 ag = le32_to_cpu(notif->bt_activity_grading);
 660         struct iwl_bt_coex_sw_boost_update_cmd cmd = {};
 661         u8 ack_kill_msk[NUM_PHY_CTX] = {};
 662         u8 cts_kill_msk[NUM_PHY_CTX] = {};
 663         int i;
 664
 665         lockdep_assert_held(&mvm->mutex);
 666
 667         ack_kill_msk[0] = iwl_bt_ack_kill_msk[ag][primary_lut];
 668         cts_kill_msk[0] = iwl_bt_cts_kill_msk[ag][primary_lut];
 669
 670         ack_kill_msk[1] = iwl_bt_ack_kill_msk[ag][secondary_lut];
 671         cts_kill_msk[1] = iwl_bt_cts_kill_msk[ag][secondary_lut];
 672
 673         /* Don't send HCMD if there is no update */
 674         if (!memcmp(ack_kill_msk, mvm->bt_ack_kill_msk, sizeof(ack_kill_msk)) ||
 675             !memcmp(cts_kill_msk, mvm->bt_cts_kill_msk, sizeof(cts_kill_msk)))
 676                 return 0;
 677
 678         memcpy(mvm->bt_ack_kill_msk, ack_kill_msk,
 679                sizeof(mvm->bt_ack_kill_msk));
 680         memcpy(mvm->bt_cts_kill_msk, cts_kill_msk,
 681                sizeof(mvm->bt_cts_kill_msk));
 682
 683         BUILD_BUG_ON(ARRAY_SIZE(ack_kill_msk) < ARRAY_SIZE(cmd.boost_values));
 684
 685         for (i = 0; i < ARRAY_SIZE(cmd.boost_values); i++) {
 686                 cmd.boost_values[i].kill_ack_msk =
 687                         cpu_to_le32(iwl_bt_ctl_kill_msk[ack_kill_msk[i]]);
 688                 cmd.boost_values[i].kill_cts_msk =
 689                         cpu_to_le32(iwl_bt_ctl_kill_msk[cts_kill_msk[i]]);
 690         }
 691
 692         return iwl_mvm_send_cmd_pdu(mvm, BT_COEX_UPDATE_SW_BOOST, 0,
 693                                     sizeof(cmd), &cmd);
 694 }
 695
 696 static int iwl_mvm_bt_coex_reduced_txp(struct iwl_mvm *mvm, u8 sta_id,
 697                                        bool enable)
 698 {
 699         struct iwl_bt_coex_reduced_txp_update_cmd cmd = {};
 700         struct iwl_mvm_sta *mvmsta;
 701         u32 value;
 702         int ret;
 703
 704         mvmsta = iwl_mvm_sta_from_staid_protected(mvm, sta_id);
 705         if (!mvmsta)
 706                 return 0;
 707
 708         /* nothing to do */
 709         if (mvmsta->bt_reduced_txpower == enable)
 710                 return 0;
 711
 712         value = mvmsta->sta_id;
 713
 714         if (enable)
 715                 value |= BT_REDUCED_TX_POWER_BIT;
 716
 717         IWL_DEBUG_COEX(mvm, "%sable reduced Tx Power for sta %d\n",
 718                        enable ? "en" : "dis", sta_id);
 719
 720         cmd.reduced_txp = cpu_to_le32(value);
 721         mvmsta->bt_reduced_txpower = enable;
 722
 723         ret = iwl_mvm_send_cmd_pdu(mvm, BT_COEX_UPDATE_REDUCED_TXP, CMD_ASYNC,
 724                                    sizeof(cmd), &cmd);
 725
 726         return ret;
 727 }
 728
 729 struct iwl_bt_iterator_data {
 730         struct iwl_bt_coex_profile_notif *notif;
 731         struct iwl_mvm *mvm;
 732         struct ieee80211_chanctx_conf *primary;
 733         struct ieee80211_chanctx_conf *secondary;
 734         bool primary_ll;
 735 };
 736
 737 static inline
 738 void iwl_mvm_bt_coex_enable_rssi_event(struct iwl_mvm *mvm,
 739                                        struct ieee80211_vif *vif,
 740                                        bool enable, int rssi)
 741 {
 742         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 743
 744         mvmvif->bf_data.last_bt_coex_event = rssi;
 745         mvmvif->bf_data.bt_coex_max_thold =
 746                 enable ? -IWL_MVM_BT_COEX_EN_RED_TXP_THRESH : 0;
 747         mvmvif->bf_data.bt_coex_min_thold =
 748                 enable ? -IWL_MVM_BT_COEX_DIS_RED_TXP_THRESH : 0;
 749 }
 750
 751 /* must be called under rcu_read_lock */
 752 static void iwl_mvm_bt_notif_iterator(void *_data, u8 *mac,
 753                                       struct ieee80211_vif *vif)
 754 {
 755         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 756         struct iwl_bt_iterator_data *data = _data;
 757         struct iwl_mvm *mvm = data->mvm;
 758         struct ieee80211_chanctx_conf *chanctx_conf;
 759         /* default smps_mode is AUTOMATIC - only used for client modes */
 760         enum ieee80211_smps_mode smps_mode = IEEE80211_SMPS_AUTOMATIC;
 761         u32 bt_activity_grading;
 762         int ave_rssi;
 763
 764         lockdep_assert_held(&mvm->mutex);
 765
 766         switch (vif->type) {
 767         case NL80211_IFTYPE_STATION:
 768                 break;
 769         case NL80211_IFTYPE_AP:
 770                 if (!mvmvif->ap_ibss_active)
 771                         return;
 772                 break;
 773         default:
 774                 return;
 775         }
 776
 777         chanctx_conf = rcu_dereference(vif->chanctx_conf);
 778
 779         /* If channel context is invalid or not on 2.4GHz .. */
 780         if ((!chanctx_conf ||
 781              chanctx_conf->def.chan->band != IEEE80211_BAND_2GHZ)) {
 782                 if (vif->type == NL80211_IFTYPE_STATION) {
 783                         /* ... relax constraints and disable rssi events */
 784                         iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_BT_COEX,
 785                                             smps_mode);
 786                         iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id,
 787                                                     false);
 788                         iwl_mvm_bt_coex_enable_rssi_event(mvm, vif, false, 0);
 789                 }
 790                 return;
 791         }
 792
 793         bt_activity_grading = le32_to_cpu(data->notif->bt_activity_grading);
 794         if (bt_activity_grading >= BT_HIGH_TRAFFIC)
 795                 smps_mode = IEEE80211_SMPS_STATIC;
 796         else if (bt_activity_grading >= BT_LOW_TRAFFIC)
 797                 smps_mode = IEEE80211_SMPS_DYNAMIC;
 798
 799         /* relax SMPS constraints for next association */
 800         if (!vif->bss_conf.assoc)
 801                 smps_mode = IEEE80211_SMPS_AUTOMATIC;
 802
 803         if (IWL_COEX_IS_RRC_ON(mvm->last_bt_notif.ttc_rrc_status,
 804                                mvmvif->phy_ctxt->id))
 805                 smps_mode = IEEE80211_SMPS_AUTOMATIC;
 806
 807         IWL_DEBUG_COEX(data->mvm,
 808                        "mac %d: bt_activity_grading %d smps_req %d\n",
 809                        mvmvif->id, bt_activity_grading, smps_mode);
 810
 811         if (vif->type == NL80211_IFTYPE_STATION)
 812                 iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_BT_COEX,
 813                                     smps_mode);
 814
 815         /* low latency is always primary */
 816         if (iwl_mvm_vif_low_latency(mvmvif)) {
 817                 data->primary_ll = true;
 818
 819                 data->secondary = data->primary;
 820                 data->primary = chanctx_conf;
 821         }
 822
 823         if (vif->type == NL80211_IFTYPE_AP) {
 824                 if (!mvmvif->ap_ibss_active)
 825                         return;
 826
 827                 if (chanctx_conf == data->primary)
 828                         return;
 829
 830                 if (!data->primary_ll) {
 831                         /*
 832                          * downgrade the current primary no matter what its
 833                          * type is.
 834                          */
 835                         data->secondary = data->primary;
 836                         data->primary = chanctx_conf;
 837                 } else {
 838                         /* there is low latency vif - we will be secondary */
 839                         data->secondary = chanctx_conf;
 840                 }
 841                 return;
 842         }
 843
 844         /*
 845          * STA / P2P Client, try to be primary if first vif. If we are in low
 846          * latency mode, we are already in primary and just don't do much
 847          */
 848         if (!data->primary || data->primary == chanctx_conf)
 849                 data->primary = chanctx_conf;
 850         else if (!data->secondary)
 851                 /* if secondary is not NULL, it might be a GO */
 852                 data->secondary = chanctx_conf;
 853
 854         /*
 855          * don't reduce the Tx power if one of these is true:
 856          *  we are in LOOSE
 857          *  single share antenna product
 858          *  BT is active
 859          *  we are associated
 860          */
 861         if (iwl_get_coex_type(mvm, vif) == BT_COEX_LOOSE_LUT ||
 862             mvm->cfg->bt_shared_single_ant || !vif->bss_conf.assoc ||
 863             le32_to_cpu(mvm->last_bt_notif.bt_activity_grading) == BT_OFF) {
 864                 iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, false);
 865                 iwl_mvm_bt_coex_enable_rssi_event(mvm, vif, false, 0);
 866                 return;
 867         }
 868
 869         /* try to get the avg rssi from fw */
 870         ave_rssi = mvmvif->bf_data.ave_beacon_signal;
 871
 872         /* if the RSSI isn't valid, fake it is very low */
 873         if (!ave_rssi)
 874                 ave_rssi = -100;
 875         if (ave_rssi > -IWL_MVM_BT_COEX_EN_RED_TXP_THRESH) {
 876                 if (iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, true))
 877                         IWL_ERR(mvm, "Couldn't send BT_CONFIG cmd\n");
 878         } else if (ave_rssi < -IWL_MVM_BT_COEX_DIS_RED_TXP_THRESH) {
 879                 if (iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, false))
 880                         IWL_ERR(mvm, "Couldn't send BT_CONFIG cmd\n");
 881         }
 882
 883         /* Begin to monitor the RSSI: it may influence the reduced Tx power */
 884         iwl_mvm_bt_coex_enable_rssi_event(mvm, vif, true, ave_rssi);
 885 }
 886
 887 static void iwl_mvm_bt_coex_notif_handle(struct iwl_mvm *mvm)
 888 {
 889         struct iwl_bt_iterator_data data = {
 890                 .mvm = mvm,
 891                 .notif = &mvm->last_bt_notif,
 892         };
 893         struct iwl_bt_coex_ci_cmd cmd = {};
 894         u8 ci_bw_idx;
 895
 896         /* Ignore updates if we are in force mode */
 897         if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS))
 898                 return;
 899
 900         rcu_read_lock();
 901         ieee80211_iterate_active_interfaces_atomic(
 902                                         mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
 903                                         iwl_mvm_bt_notif_iterator, &data);
 904
 905         if (data.primary) {
 906                 struct ieee80211_chanctx_conf *chan = data.primary;
 907                 if (WARN_ON(!chan->def.chan)) {
 908                         rcu_read_unlock();
 909                         return;
 910                 }
 911
 912                 if (chan->def.width < NL80211_CHAN_WIDTH_40) {
 913                         ci_bw_idx = 0;
 914                 } else {
 915                         if (chan->def.center_freq1 >
 916                             chan->def.chan->center_freq)
 917                                 ci_bw_idx = 2;
 918                         else
 919                                 ci_bw_idx = 1;
 920                 }
 921
 922                 cmd.bt_primary_ci =
 923                         iwl_ci_mask[chan->def.chan->hw_value][ci_bw_idx];
 924                 cmd.primary_ch_phy_id =
 925                         cpu_to_le32(*((u16 *)data.primary->drv_priv));
 926         }
 927
 928         if (data.secondary) {
 929                 struct ieee80211_chanctx_conf *chan = data.secondary;
 930                 if (WARN_ON(!data.secondary->def.chan)) {
 931                         rcu_read_unlock();
 932                         return;
 933                 }
 934
 935                 if (chan->def.width < NL80211_CHAN_WIDTH_40) {
 936                         ci_bw_idx = 0;
 937                 } else {
 938                         if (chan->def.center_freq1 >
 939                             chan->def.chan->center_freq)
 940                                 ci_bw_idx = 2;
 941                         else
 942                                 ci_bw_idx = 1;
 943                 }
 944
 945                 cmd.bt_secondary_ci =
 946                         iwl_ci_mask[chan->def.chan->hw_value][ci_bw_idx];
 947                 cmd.secondary_ch_phy_id =
 948                         cpu_to_le32(*((u16 *)data.secondary->drv_priv));
 949         }
 950
 951         rcu_read_unlock();
 952
 953         /* Don't spam the fw with the same command over and over */
 954         if (memcmp(&cmd, &mvm->last_bt_ci_cmd, sizeof(cmd))) {
 955                 if (iwl_mvm_send_cmd_pdu(mvm, BT_COEX_CI, 0,
 956                                          sizeof(cmd), &cmd))
 957                         IWL_ERR(mvm, "Failed to send BT_CI cmd\n");
 958                 memcpy(&mvm->last_bt_ci_cmd, &cmd, sizeof(cmd));
 959         }
 960
 961         if (iwl_mvm_bt_udpate_sw_boost(mvm))
 962                 IWL_ERR(mvm, "Failed to update the ctrl_kill_msk\n");
 963 }
 964
 965 int iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm,
 966                              struct iwl_rx_cmd_buffer *rxb,
 967                              struct iwl_device_cmd *dev_cmd)
 968 {
 969         struct iwl_rx_packet *pkt = rxb_addr(rxb);
 970         struct iwl_bt_coex_profile_notif *notif = (void *)pkt->data;
 971
 972         if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT))
 973                 return iwl_mvm_rx_bt_coex_notif_old(mvm, rxb, dev_cmd);
 974
 975         IWL_DEBUG_COEX(mvm, "BT Coex Notification received\n");
 976         IWL_DEBUG_COEX(mvm, "\tBT ci compliance %d\n", notif->bt_ci_compliance);
 977         IWL_DEBUG_COEX(mvm, "\tBT primary_ch_lut %d\n",
 978                        le32_to_cpu(notif->primary_ch_lut));
 979         IWL_DEBUG_COEX(mvm, "\tBT secondary_ch_lut %d\n",
 980                        le32_to_cpu(notif->secondary_ch_lut));
 981         IWL_DEBUG_COEX(mvm, "\tBT activity grading %d\n",
 982                        le32_to_cpu(notif->bt_activity_grading));
 983
 984         /* remember this notification for future use: rssi fluctuations */
 985         memcpy(&mvm->last_bt_notif, notif, sizeof(mvm->last_bt_notif));
 986
 987         iwl_mvm_bt_coex_notif_handle(mvm);
 988
 989         /*
 990          * This is an async handler for a notification, returning anything other
 991          * than 0 doesn't make sense even if HCMD failed.
 992          */
 993         return 0;
 994 }
 995
 996 static void iwl_mvm_bt_rssi_iterator(void *_data, u8 *mac,
 997                                    struct ieee80211_vif *vif)
 998 {
 999         struct iwl_mvm_vif *mvmvif = (void *)vif->drv_priv;
1000         struct iwl_bt_iterator_data *data = _data;
1001         struct iwl_mvm *mvm = data->mvm;
1002
1003         struct ieee80211_sta *sta;
1004         struct iwl_mvm_sta *mvmsta;
1005
1006         struct ieee80211_chanctx_conf *chanctx_conf;
1007
1008         rcu_read_lock();
1009         chanctx_conf = rcu_dereference(vif->chanctx_conf);
1010         /* If channel context is invalid or not on 2.4GHz - don't count it */
1011         if (!chanctx_conf ||
1012             chanctx_conf->def.chan->band != IEEE80211_BAND_2GHZ) {
1013                 rcu_read_unlock();
1014                 return;
1015         }
1016         rcu_read_unlock();
1017
1018         if (vif->type != NL80211_IFTYPE_STATION ||
1019             mvmvif->ap_sta_id == IWL_MVM_STATION_COUNT)
1020                 return;
1021
1022         sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[mvmvif->ap_sta_id],
1023                                         lockdep_is_held(&mvm->mutex));
1024
1025         /* This can happen if the station has been removed right now */
1026         if (IS_ERR_OR_NULL(sta))
1027                 return;
1028
1029         mvmsta = iwl_mvm_sta_from_mac80211(sta);
1030 }
1031
1032 void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1033                            enum ieee80211_rssi_event rssi_event)
1034 {
1035         struct iwl_mvm_vif *mvmvif = (void *)vif->drv_priv;
1036         struct iwl_bt_iterator_data data = {
1037                 .mvm = mvm,
1038         };
1039         int ret;
1040
1041         if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT)) {
1042                 iwl_mvm_bt_rssi_event_old(mvm, vif, rssi_event);
1043                 return;
1044         }
1045
1046         lockdep_assert_held(&mvm->mutex);
1047
1048         /* Ignore updates if we are in force mode */
1049         if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS))
1050                 return;
1051
1052         /*
1053          * Rssi update while not associated - can happen since the statistics
1054          * are handled asynchronously
1055          */
1056         if (mvmvif->ap_sta_id == IWL_MVM_STATION_COUNT)
1057                 return;
1058
1059         /* No BT - reports should be disabled */
1060         if (le32_to_cpu(mvm->last_bt_notif.bt_activity_grading) == BT_OFF)
1061                 return;
1062
1063         IWL_DEBUG_COEX(mvm, "RSSI for %pM is now %s\n", vif->bss_conf.bssid,
1064                        rssi_event == RSSI_EVENT_HIGH ? "HIGH" : "LOW");
1065
1066         /*
1067          * Check if rssi is good enough for reduced Tx power, but not in loose
1068          * scheme.
1069          */
1070         if (rssi_event == RSSI_EVENT_LOW || mvm->cfg->bt_shared_single_ant ||
1071             iwl_get_coex_type(mvm, vif) == BT_COEX_LOOSE_LUT)
1072                 ret = iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id,
1073                                                   false);
1074         else
1075                 ret = iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, true);
1076
1077         if (ret)
1078                 IWL_ERR(mvm, "couldn't send BT_CONFIG HCMD upon RSSI event\n");
1079
1080         ieee80211_iterate_active_interfaces_atomic(
1081                 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
1082                 iwl_mvm_bt_rssi_iterator, &data);
1083
1084         if (iwl_mvm_bt_udpate_sw_boost(mvm))
1085                 IWL_ERR(mvm, "Failed to update the ctrl_kill_msk\n");
1086 }
1087
1088 #define LINK_QUAL_AGG_TIME_LIMIT_DEF    (4000)
1089 #define LINK_QUAL_AGG_TIME_LIMIT_BT_ACT (1200)
1090
1091 u16 iwl_mvm_coex_agg_time_limit(struct iwl_mvm *mvm,
1092                                 struct ieee80211_sta *sta)
1093 {
1094         struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
1095         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(mvmsta->vif);
1096         struct iwl_mvm_phy_ctxt *phy_ctxt = mvmvif->phy_ctxt;
1097         enum iwl_bt_coex_lut_type lut_type;
1098
1099         if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT))
1100                 return iwl_mvm_coex_agg_time_limit_old(mvm, sta);
1101
1102         if (IWL_COEX_IS_TTC_ON(mvm->last_bt_notif.ttc_rrc_status, phy_ctxt->id))
1103                 return LINK_QUAL_AGG_TIME_LIMIT_DEF;
1104
1105         if (le32_to_cpu(mvm->last_bt_notif.bt_activity_grading) <
1106             BT_HIGH_TRAFFIC)
1107                 return LINK_QUAL_AGG_TIME_LIMIT_DEF;
1108
1109         lut_type = iwl_get_coex_type(mvm, mvmsta->vif);
1110
1111         if (lut_type == BT_COEX_LOOSE_LUT || lut_type == BT_COEX_INVALID_LUT)
1112                 return LINK_QUAL_AGG_TIME_LIMIT_DEF;
1113
1114         /* tight coex, high bt traffic, reduce AGG time limit */
1115         return LINK_QUAL_AGG_TIME_LIMIT_BT_ACT;
1116 }
1117
1118 bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm,
1119                                      struct ieee80211_sta *sta)
1120 {
1121         struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
1122         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(mvmsta->vif);
1123         struct iwl_mvm_phy_ctxt *phy_ctxt = mvmvif->phy_ctxt;
1124         enum iwl_bt_coex_lut_type lut_type;
1125
1126         if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT))
1127                 return iwl_mvm_bt_coex_is_mimo_allowed_old(mvm, sta);
1128
1129         if (IWL_COEX_IS_TTC_ON(mvm->last_bt_notif.ttc_rrc_status, phy_ctxt->id))
1130                 return true;
1131
1132         if (le32_to_cpu(mvm->last_bt_notif.bt_activity_grading) <
1133             BT_HIGH_TRAFFIC)
1134                 return true;
1135
1136         /*
1137          * In Tight / TxTxDis, BT can't Rx while we Tx, so use both antennas
1138          * since BT is already killed.
1139          * In Loose, BT can Rx while we Tx, so forbid MIMO to let BT Rx while
1140          * we Tx.
1141          * When we are in 5GHz, we'll get BT_COEX_INVALID_LUT allowing MIMO.
1142          */
1143         lut_type = iwl_get_coex_type(mvm, mvmsta->vif);
1144         return lut_type != BT_COEX_LOOSE_LUT;
1145 }
1146
1147 bool iwl_mvm_bt_coex_is_shared_ant_avail(struct iwl_mvm *mvm)
1148 {
1149         /* there is no other antenna, shared antenna is always available */
1150         if (mvm->cfg->bt_shared_single_ant)
1151                 return true;
1152
1153         if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT))
1154                 return iwl_mvm_bt_coex_is_shared_ant_avail_old(mvm);
1155
1156         return le32_to_cpu(mvm->last_bt_notif.bt_activity_grading) == BT_OFF;
1157 }
1158
1159 bool iwl_mvm_bt_coex_is_tpc_allowed(struct iwl_mvm *mvm,
1160                                     enum ieee80211_band band)
1161 {
1162         u32 bt_activity = le32_to_cpu(mvm->last_bt_notif.bt_activity_grading);
1163
1164         if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT))
1165                 return iwl_mvm_bt_coex_is_tpc_allowed_old(mvm, band);
1166
1167         if (band != IEEE80211_BAND_2GHZ)
1168                 return false;
1169
1170         return bt_activity >= BT_LOW_TRAFFIC;
1171 }
1172
1173 u8 iwl_mvm_bt_coex_tx_prio(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr,
1174                            struct ieee80211_tx_info *info, u8 ac)
1175 {
1176         __le16 fc = hdr->frame_control;
1177
1178         if (info->band != IEEE80211_BAND_2GHZ)
1179                 return 0;
1180
1181         if (unlikely(mvm->bt_tx_prio))
1182                 return mvm->bt_tx_prio - 1;
1183
1184         /* High prio packet (wrt. BT coex) if it is EAPOL, MCAST or MGMT */
1185         if (info->control.flags & IEEE80211_TX_CTRL_PORT_CTRL_PROTO ||
1186              is_multicast_ether_addr(hdr->addr1) ||
1187              ieee80211_is_ctl(fc) || ieee80211_is_mgmt(fc) ||
1188              ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc))
1189                 return 3;
1190
1191         switch (ac) {
1192         case IEEE80211_AC_BE:
1193                 return 1;
1194         case IEEE80211_AC_VO:
1195                 return 3;
1196         case IEEE80211_AC_VI:
1197                 return 2;
1198         default:
1199                 break;
1200         }
1201
1202         return 0;
1203 }
1204
1205 void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm)
1206 {
1207         if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT)) {
1208                 iwl_mvm_bt_coex_vif_change_old(mvm);
1209                 return;
1210         }
1211
1212         iwl_mvm_bt_coex_notif_handle(mvm);
1213 }
1214
1215 int iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm,
1216                                   struct iwl_rx_cmd_buffer *rxb,
1217                                   struct iwl_device_cmd *dev_cmd)
1218 {
1219         struct iwl_rx_packet *pkt = rxb_addr(rxb);
1220         u32 ant_isolation = le32_to_cpup((void *)pkt->data);
1221         struct iwl_bt_coex_corun_lut_update_cmd cmd = {};
1222         u8 __maybe_unused lower_bound, upper_bound;
1223         u8 lut;
1224
1225         if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT))
1226                 return iwl_mvm_rx_ant_coupling_notif_old(mvm, rxb, dev_cmd);
1227
1228         if (!IWL_MVM_BT_COEX_CORUNNING)
1229                 return 0;
1230
1231         lockdep_assert_held(&mvm->mutex);
1232
1233         /* Ignore updates if we are in force mode */
1234         if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS))
1235                 return 0;
1236
1237         if (ant_isolation ==  mvm->last_ant_isol)
1238                 return 0;
1239
1240         for (lut = 0; lut < ARRAY_SIZE(antenna_coupling_ranges) - 1; lut++)
1241                 if (ant_isolation < antenna_coupling_ranges[lut + 1].range)
1242                         break;
1243
1244         lower_bound = antenna_coupling_ranges[lut].range;
1245
1246         if (lut < ARRAY_SIZE(antenna_coupling_ranges) - 1)
1247                 upper_bound = antenna_coupling_ranges[lut + 1].range;
1248         else
1249                 upper_bound = antenna_coupling_ranges[lut].range;
1250
1251         IWL_DEBUG_COEX(mvm, "Antenna isolation=%d in range [%d,%d[, lut=%d\n",
1252                        ant_isolation, lower_bound, upper_bound, lut);
1253
1254         mvm->last_ant_isol = ant_isolation;
1255
1256         if (mvm->last_corun_lut == lut)
1257                 return 0;
1258
1259         mvm->last_corun_lut = lut;
1260
1261         /* For the moment, use the same LUT for 20GHz and 40GHz */
1262         memcpy(&cmd.corun_lut20, antenna_coupling_ranges[lut].lut20,
1263                sizeof(cmd.corun_lut20));
1264
1265         memcpy(&cmd.corun_lut40, antenna_coupling_ranges[lut].lut20,
1266                sizeof(cmd.corun_lut40));
1267
1268         return iwl_mvm_send_cmd_pdu(mvm, BT_COEX_UPDATE_CORUN_LUT, 0,
1269                                     sizeof(cmd), &cmd);
1270 }