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

   1 /******************************************************************************
   2  *
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   6  * GPL LICENSE SUMMARY
   7  *
   8  * Copyright(c) 2013 - 2014 Intel Corporation. All rights reserved.
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  11  * it under the terms of version 2 of the GNU General Public License as
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  13  *
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  28  *  Intel Linux Wireless <ilw@linux.intel.com>
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  33  * Copyright(c) 2013 - 2014 Intel Corporation. All rights reserved.
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  44  *    the documentation and/or other materials provided with the
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  48  *    from this software without specific prior written permission.
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  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,
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  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
  64 #include <linux/ieee80211.h>
  65 #include <linux/etherdevice.h>
  66 #include <net/mac80211.h>
  67
  68 #include "fw-api-coex.h"
  69 #include "iwl-modparams.h"
  70 #include "mvm.h"
  71 #include "iwl-debug.h"
  72
  73 #define BT_ANTENNA_COUPLING_THRESHOLD           (30)
  74
  75 const u32 iwl_bt_ctl_kill_msk[BT_KILL_MSK_MAX] = {
  76         [BT_KILL_MSK_DEFAULT] = 0xfffffc00,
  77         [BT_KILL_MSK_NEVER] = 0xffffffff,
  78         [BT_KILL_MSK_ALWAYS] = 0,
  79 };
  80
  81 const u8 iwl_bt_cts_kill_msk[BT_MAX_AG][BT_COEX_MAX_LUT] = {
  82         {
  83                 BT_KILL_MSK_ALWAYS,
  84                 BT_KILL_MSK_ALWAYS,
  85                 BT_KILL_MSK_ALWAYS,
  86         },
  87         {
  88                 BT_KILL_MSK_NEVER,
  89                 BT_KILL_MSK_NEVER,
  90                 BT_KILL_MSK_NEVER,
  91         },
  92         {
  93                 BT_KILL_MSK_NEVER,
  94                 BT_KILL_MSK_NEVER,
  95                 BT_KILL_MSK_NEVER,
  96         },
  97         {
  98                 BT_KILL_MSK_DEFAULT,
  99                 BT_KILL_MSK_NEVER,
 100                 BT_KILL_MSK_DEFAULT,
 101         },
 102 };
 103
 104 const u8 iwl_bt_ack_kill_msk[BT_MAX_AG][BT_COEX_MAX_LUT] = {
 105         {
 106                 BT_KILL_MSK_ALWAYS,
 107                 BT_KILL_MSK_ALWAYS,
 108                 BT_KILL_MSK_ALWAYS,
 109         },
 110         {
 111                 BT_KILL_MSK_ALWAYS,
 112                 BT_KILL_MSK_ALWAYS,
 113                 BT_KILL_MSK_ALWAYS,
 114         },
 115         {
 116                 BT_KILL_MSK_ALWAYS,
 117                 BT_KILL_MSK_ALWAYS,
 118                 BT_KILL_MSK_ALWAYS,
 119         },
 120         {
 121                 BT_KILL_MSK_DEFAULT,
 122                 BT_KILL_MSK_ALWAYS,
 123                 BT_KILL_MSK_DEFAULT,
 124         },
 125 };
 126
 127 static const __le32 iwl_bt_prio_boost[BT_COEX_BOOST_SIZE] = {
 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% */
 132 };
 133
 134 static 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
 179 static 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),
 191                 cpu_to_le32(0x00004000),
 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),
 214                 cpu_to_le32(0xeeaaaaaa),
 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),
 220                 cpu_to_le32(0xc0004000),
 221                 cpu_to_le32(0xc0004000),
 222                 cpu_to_le32(0xf0005000),
 223                 cpu_to_le32(0xf0005000),
 224         },
 225 };
 226
 227 /* 20MHz / 40MHz below / 40Mhz above*/
 228 static 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         {
 297                 cpu_to_le64(0xFFC0000000ULL),
 298                 cpu_to_le64(0x0ULL),
 299                 cpu_to_le64(0x0ULL)
 300         },
 301 };
 302
 303 static const __le32 iwl_bt_mprio_lut[BT_COEX_MULTI_PRIO_LUT_SIZE] = {
 304         cpu_to_le32(0x28412201),
 305         cpu_to_le32(0x11118451),
 306 };
 307
 308 struct 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  */
 325 static 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
 517 static enum iwl_bt_coex_lut_type
 518 iwl_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         u32 primary_ch_phy_id, secondary_ch_phy_id;
 524
 525         /*
 526          * Checking that we hold mvm->mutex is a good idea, but the rate
 527          * control can't acquire the mutex since it runs in Tx path.
 528          * So this is racy in that case, but in the worst case, the AMPDU
 529          * size limit will be wrong for a short time which is not a big
 530          * issue.
 531          */
 532
 533         rcu_read_lock();
 534
 535         chanctx_conf = rcu_dereference(vif->chanctx_conf);
 536
 537         if (!chanctx_conf ||
 538              chanctx_conf->def.chan->band != IEEE80211_BAND_2GHZ) {
 539                 rcu_read_unlock();
 540                 return BT_COEX_INVALID_LUT;
 541         }
 542
 543         ret = BT_COEX_TX_DIS_LUT;
 544
 545         if (mvm->cfg->bt_shared_single_ant) {
 546                 rcu_read_unlock();
 547                 return ret;
 548         }
 549
 550         phy_ctx_id = *((u16 *)chanctx_conf->drv_priv);
 551         primary_ch_phy_id = le32_to_cpu(mvm->last_bt_ci_cmd.primary_ch_phy_id);
 552         secondary_ch_phy_id =
 553                 le32_to_cpu(mvm->last_bt_ci_cmd.secondary_ch_phy_id);
 554
 555         if (primary_ch_phy_id == phy_ctx_id)
 556                 ret = le32_to_cpu(mvm->last_bt_notif.primary_ch_lut);
 557         else if (secondary_ch_phy_id == phy_ctx_id)
 558                 ret = le32_to_cpu(mvm->last_bt_notif.secondary_ch_lut);
 559         /* else - default = TX TX disallowed */
 560
 561         rcu_read_unlock();
 562
 563         return ret;
 564 }
 565
 566 int iwl_send_bt_init_conf(struct iwl_mvm *mvm)
 567 {
 568         struct iwl_bt_coex_cmd *bt_cmd;
 569         struct iwl_host_cmd cmd = {
 570                 .id = BT_CONFIG,
 571                 .len = { sizeof(*bt_cmd), },
 572                 .dataflags = { IWL_HCMD_DFL_NOCOPY, },
 573         };
 574         int ret;
 575         u32 mode;
 576
 577         if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT))
 578                 return iwl_send_bt_init_conf_old(mvm);
 579
 580         bt_cmd = kzalloc(sizeof(*bt_cmd), GFP_KERNEL);
 581         if (!bt_cmd)
 582                 return -ENOMEM;
 583         cmd.data[0] = bt_cmd;
 584
 585         lockdep_assert_held(&mvm->mutex);
 586
 587         if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS)) {
 588                 switch (mvm->bt_force_ant_mode) {
 589                 case BT_FORCE_ANT_BT:
 590                         mode = BT_COEX_BT;
 591                         break;
 592                 case BT_FORCE_ANT_WIFI:
 593                         mode = BT_COEX_WIFI;
 594                         break;
 595                 default:
 596                         WARN_ON(1);
 597                         mode = 0;
 598                 }
 599
 600                 bt_cmd->mode = cpu_to_le32(mode);
 601                 goto send_cmd;
 602         }
 603
 604         bt_cmd->max_kill = cpu_to_le32(5);
 605         bt_cmd->bt4_antenna_isolation_thr =
 606                                 cpu_to_le32(BT_ANTENNA_COUPLING_THRESHOLD);
 607         bt_cmd->bt4_tx_tx_delta_freq_thr = cpu_to_le32(15);
 608         bt_cmd->bt4_tx_rx_max_freq0 = cpu_to_le32(15);
 609         bt_cmd->override_primary_lut = cpu_to_le32(BT_COEX_INVALID_LUT);
 610         bt_cmd->override_secondary_lut = cpu_to_le32(BT_COEX_INVALID_LUT);
 611
 612         mode = iwlwifi_mod_params.bt_coex_active ? BT_COEX_NW : BT_COEX_DISABLE;
 613         bt_cmd->mode = cpu_to_le32(mode);
 614
 615         if (IWL_MVM_BT_COEX_SYNC2SCO)
 616                 bt_cmd->enabled_modules |=
 617                         cpu_to_le32(BT_COEX_SYNC2SCO_ENABLED);
 618
 619         if (IWL_MVM_BT_COEX_CORUNNING)
 620                 bt_cmd->enabled_modules |= cpu_to_le32(BT_COEX_CORUN_ENABLED);
 621
 622         if (IWL_MVM_BT_COEX_MPLUT) {
 623                 bt_cmd->enabled_modules |= cpu_to_le32(BT_COEX_MPLUT_ENABLED);
 624                 bt_cmd->enabled_modules |=
 625                         cpu_to_le32(BT_COEX_MPLUT_BOOST_ENABLED);
 626         }
 627
 628         bt_cmd->enabled_modules |= cpu_to_le32(BT_COEX_HIGH_BAND_RET);
 629
 630         if (mvm->cfg->bt_shared_single_ant)
 631                 memcpy(&bt_cmd->decision_lut, iwl_single_shared_ant,
 632                        sizeof(iwl_single_shared_ant));
 633         else
 634                 memcpy(&bt_cmd->decision_lut, iwl_combined_lookup,
 635                        sizeof(iwl_combined_lookup));
 636
 637         memcpy(&bt_cmd->mplut_prio_boost, iwl_bt_prio_boost,
 638                sizeof(iwl_bt_prio_boost));
 639         memcpy(&bt_cmd->multiprio_lut, iwl_bt_mprio_lut,
 640                sizeof(iwl_bt_mprio_lut));
 641
 642 send_cmd:
 643         memset(&mvm->last_bt_notif, 0, sizeof(mvm->last_bt_notif));
 644         memset(&mvm->last_bt_ci_cmd, 0, sizeof(mvm->last_bt_ci_cmd));
 645
 646         ret = iwl_mvm_send_cmd(mvm, &cmd);
 647
 648         kfree(bt_cmd);
 649         return ret;
 650 }
 651
 652 static int iwl_mvm_bt_udpate_sw_boost(struct iwl_mvm *mvm)
 653 {
 654         struct iwl_bt_coex_profile_notif *notif = &mvm->last_bt_notif;
 655         u32 primary_lut = le32_to_cpu(notif->primary_ch_lut);
 656         u32 secondary_lut = le32_to_cpu(notif->secondary_ch_lut);
 657         u32 ag = le32_to_cpu(notif->bt_activity_grading);
 658         struct iwl_bt_coex_sw_boost_update_cmd cmd = {};
 659         u8 ack_kill_msk[NUM_PHY_CTX] = {};
 660         u8 cts_kill_msk[NUM_PHY_CTX] = {};
 661         int i;
 662
 663         lockdep_assert_held(&mvm->mutex);
 664
 665         ack_kill_msk[0] = iwl_bt_ack_kill_msk[ag][primary_lut];
 666         cts_kill_msk[0] = iwl_bt_cts_kill_msk[ag][primary_lut];
 667
 668         ack_kill_msk[1] = iwl_bt_ack_kill_msk[ag][secondary_lut];
 669         cts_kill_msk[1] = iwl_bt_cts_kill_msk[ag][secondary_lut];
 670
 671         /* Don't send HCMD if there is no update */
 672         if (!memcmp(ack_kill_msk, mvm->bt_ack_kill_msk, sizeof(ack_kill_msk)) ||
 673             !memcmp(cts_kill_msk, mvm->bt_cts_kill_msk, sizeof(cts_kill_msk)))
 674                 return 0;
 675
 676         memcpy(mvm->bt_ack_kill_msk, ack_kill_msk,
 677                sizeof(mvm->bt_ack_kill_msk));
 678         memcpy(mvm->bt_cts_kill_msk, cts_kill_msk,
 679                sizeof(mvm->bt_cts_kill_msk));
 680
 681         BUILD_BUG_ON(ARRAY_SIZE(ack_kill_msk) < ARRAY_SIZE(cmd.boost_values));
 682
 683         for (i = 0; i < ARRAY_SIZE(cmd.boost_values); i++) {
 684                 cmd.boost_values[i].kill_ack_msk =
 685                         cpu_to_le32(iwl_bt_ctl_kill_msk[ack_kill_msk[i]]);
 686                 cmd.boost_values[i].kill_cts_msk =
 687                         cpu_to_le32(iwl_bt_ctl_kill_msk[cts_kill_msk[i]]);
 688         }
 689
 690         return iwl_mvm_send_cmd_pdu(mvm, BT_COEX_UPDATE_SW_BOOST, 0,
 691                                     sizeof(cmd), &cmd);
 692 }
 693
 694 static int iwl_mvm_bt_coex_reduced_txp(struct iwl_mvm *mvm, u8 sta_id,
 695                                        bool enable)
 696 {
 697         struct iwl_bt_coex_reduced_txp_update_cmd cmd = {};
 698         struct iwl_mvm_sta *mvmsta;
 699         u32 value;
 700         int ret;
 701
 702         mvmsta = iwl_mvm_sta_from_staid_protected(mvm, sta_id);
 703         if (!mvmsta)
 704                 return 0;
 705
 706         /* nothing to do */
 707         if (mvmsta->bt_reduced_txpower == enable)
 708                 return 0;
 709
 710         value = mvmsta->sta_id;
 711
 712         if (enable)
 713                 value |= BT_REDUCED_TX_POWER_BIT;
 714
 715         IWL_DEBUG_COEX(mvm, "%sable reduced Tx Power for sta %d\n",
 716                        enable ? "en" : "dis", sta_id);
 717
 718         cmd.reduced_txp = cpu_to_le32(value);
 719         mvmsta->bt_reduced_txpower = enable;
 720
 721         ret = iwl_mvm_send_cmd_pdu(mvm, BT_COEX_UPDATE_REDUCED_TXP, CMD_ASYNC,
 722                                    sizeof(cmd), &cmd);
 723
 724         return ret;
 725 }
 726
 727 struct iwl_bt_iterator_data {
 728         struct iwl_bt_coex_profile_notif *notif;
 729         struct iwl_mvm *mvm;
 730         struct ieee80211_chanctx_conf *primary;
 731         struct ieee80211_chanctx_conf *secondary;
 732         bool primary_ll;
 733 };
 734
 735 static inline
 736 void iwl_mvm_bt_coex_enable_rssi_event(struct iwl_mvm *mvm,
 737                                        struct ieee80211_vif *vif,
 738                                        bool enable, int rssi)
 739 {
 740         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 741
 742         mvmvif->bf_data.last_bt_coex_event = rssi;
 743         mvmvif->bf_data.bt_coex_max_thold =
 744                 enable ? -IWL_MVM_BT_COEX_EN_RED_TXP_THRESH : 0;
 745         mvmvif->bf_data.bt_coex_min_thold =
 746                 enable ? -IWL_MVM_BT_COEX_DIS_RED_TXP_THRESH : 0;
 747 }
 748
 749 /* must be called under rcu_read_lock */
 750 static void iwl_mvm_bt_notif_iterator(void *_data, u8 *mac,
 751                                       struct ieee80211_vif *vif)
 752 {
 753         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 754         struct iwl_bt_iterator_data *data = _data;
 755         struct iwl_mvm *mvm = data->mvm;
 756         struct ieee80211_chanctx_conf *chanctx_conf;
 757         /* default smps_mode is AUTOMATIC - only used for client modes */
 758         enum ieee80211_smps_mode smps_mode = IEEE80211_SMPS_AUTOMATIC;
 759         u32 bt_activity_grading;
 760         int ave_rssi;
 761
 762         lockdep_assert_held(&mvm->mutex);
 763
 764         switch (vif->type) {
 765         case NL80211_IFTYPE_STATION:
 766                 break;
 767         case NL80211_IFTYPE_AP:
 768                 if (!mvmvif->ap_ibss_active)
 769                         return;
 770                 break;
 771         default:
 772                 return;
 773         }
 774
 775         chanctx_conf = rcu_dereference(vif->chanctx_conf);
 776
 777         /* If channel context is invalid or not on 2.4GHz .. */
 778         if ((!chanctx_conf ||
 779              chanctx_conf->def.chan->band != IEEE80211_BAND_2GHZ)) {
 780                 if (vif->type == NL80211_IFTYPE_STATION) {
 781                         /* ... relax constraints and disable rssi events */
 782                         iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_BT_COEX,
 783                                             smps_mode);
 784                         iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id,
 785                                                     false);
 786                         iwl_mvm_bt_coex_enable_rssi_event(mvm, vif, false, 0);
 787                 }
 788                 return;
 789         }
 790
 791         bt_activity_grading = le32_to_cpu(data->notif->bt_activity_grading);
 792         if (bt_activity_grading >= BT_HIGH_TRAFFIC)
 793                 smps_mode = IEEE80211_SMPS_STATIC;
 794         else if (bt_activity_grading >= BT_LOW_TRAFFIC)
 795                 smps_mode = IEEE80211_SMPS_DYNAMIC;
 796
 797         /* relax SMPS constraints for next association */
 798         if (!vif->bss_conf.assoc)
 799                 smps_mode = IEEE80211_SMPS_AUTOMATIC;
 800
 801         if (IWL_COEX_IS_RRC_ON(mvm->last_bt_notif.ttc_rrc_status,
 802                                mvmvif->phy_ctxt->id))
 803                 smps_mode = IEEE80211_SMPS_AUTOMATIC;
 804
 805         IWL_DEBUG_COEX(data->mvm,
 806                        "mac %d: bt_activity_grading %d smps_req %d\n",
 807                        mvmvif->id, bt_activity_grading, smps_mode);
 808
 809         if (vif->type == NL80211_IFTYPE_STATION)
 810                 iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_BT_COEX,
 811                                     smps_mode);
 812
 813         /* low latency is always primary */
 814         if (iwl_mvm_vif_low_latency(mvmvif)) {
 815                 data->primary_ll = true;
 816
 817                 data->secondary = data->primary;
 818                 data->primary = chanctx_conf;
 819         }
 820
 821         if (vif->type == NL80211_IFTYPE_AP) {
 822                 if (!mvmvif->ap_ibss_active)
 823                         return;
 824
 825                 if (chanctx_conf == data->primary)
 826                         return;
 827
 828                 if (!data->primary_ll) {
 829                         /*
 830                          * downgrade the current primary no matter what its
 831                          * type is.
 832                          */
 833                         data->secondary = data->primary;
 834                         data->primary = chanctx_conf;
 835                 } else {
 836                         /* there is low latency vif - we will be secondary */
 837                         data->secondary = chanctx_conf;
 838                 }
 839                 return;
 840         }
 841
 842         /*
 843          * STA / P2P Client, try to be primary if first vif. If we are in low
 844          * latency mode, we are already in primary and just don't do much
 845          */
 846         if (!data->primary || data->primary == chanctx_conf)
 847                 data->primary = chanctx_conf;
 848         else if (!data->secondary)
 849                 /* if secondary is not NULL, it might be a GO */
 850                 data->secondary = chanctx_conf;
 851
 852         /*
 853          * don't reduce the Tx power if one of these is true:
 854          *  we are in LOOSE
 855          *  single share antenna product
 856          *  BT is active
 857          *  we are associated
 858          */
 859         if (iwl_get_coex_type(mvm, vif) == BT_COEX_LOOSE_LUT ||
 860             mvm->cfg->bt_shared_single_ant || !vif->bss_conf.assoc ||
 861             le32_to_cpu(mvm->last_bt_notif.bt_activity_grading) == BT_OFF) {
 862                 iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, false);
 863                 iwl_mvm_bt_coex_enable_rssi_event(mvm, vif, false, 0);
 864                 return;
 865         }
 866
 867         /* try to get the avg rssi from fw */
 868         ave_rssi = mvmvif->bf_data.ave_beacon_signal;
 869
 870         /* if the RSSI isn't valid, fake it is very low */
 871         if (!ave_rssi)
 872                 ave_rssi = -100;
 873         if (ave_rssi > -IWL_MVM_BT_COEX_EN_RED_TXP_THRESH) {
 874                 if (iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, true))
 875                         IWL_ERR(mvm, "Couldn't send BT_CONFIG cmd\n");
 876         } else if (ave_rssi < -IWL_MVM_BT_COEX_DIS_RED_TXP_THRESH) {
 877                 if (iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, false))
 878                         IWL_ERR(mvm, "Couldn't send BT_CONFIG cmd\n");
 879         }
 880
 881         /* Begin to monitor the RSSI: it may influence the reduced Tx power */
 882         iwl_mvm_bt_coex_enable_rssi_event(mvm, vif, true, ave_rssi);
 883 }
 884
 885 static void iwl_mvm_bt_coex_notif_handle(struct iwl_mvm *mvm)
 886 {
 887         struct iwl_bt_iterator_data data = {
 888                 .mvm = mvm,
 889                 .notif = &mvm->last_bt_notif,
 890         };
 891         struct iwl_bt_coex_ci_cmd cmd = {};
 892         u8 ci_bw_idx;
 893
 894         /* Ignore updates if we are in force mode */
 895         if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS))
 896                 return;
 897
 898         rcu_read_lock();
 899         ieee80211_iterate_active_interfaces_atomic(
 900                                         mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
 901                                         iwl_mvm_bt_notif_iterator, &data);
 902
 903         if (data.primary) {
 904                 struct ieee80211_chanctx_conf *chan = data.primary;
 905                 if (WARN_ON(!chan->def.chan)) {
 906                         rcu_read_unlock();
 907                         return;
 908                 }
 909
 910                 if (chan->def.width < NL80211_CHAN_WIDTH_40) {
 911                         ci_bw_idx = 0;
 912                 } else {
 913                         if (chan->def.center_freq1 >
 914                             chan->def.chan->center_freq)
 915                                 ci_bw_idx = 2;
 916                         else
 917                                 ci_bw_idx = 1;
 918                 }
 919
 920                 cmd.bt_primary_ci =
 921                         iwl_ci_mask[chan->def.chan->hw_value][ci_bw_idx];
 922                 cmd.primary_ch_phy_id =
 923                         cpu_to_le32(*((u16 *)data.primary->drv_priv));
 924         }
 925
 926         if (data.secondary) {
 927                 struct ieee80211_chanctx_conf *chan = data.secondary;
 928                 if (WARN_ON(!data.secondary->def.chan)) {
 929                         rcu_read_unlock();
 930                         return;
 931                 }
 932
 933                 if (chan->def.width < NL80211_CHAN_WIDTH_40) {
 934                         ci_bw_idx = 0;
 935                 } else {
 936                         if (chan->def.center_freq1 >
 937                             chan->def.chan->center_freq)
 938                                 ci_bw_idx = 2;
 939                         else
 940                                 ci_bw_idx = 1;
 941                 }
 942
 943                 cmd.bt_secondary_ci =
 944                         iwl_ci_mask[chan->def.chan->hw_value][ci_bw_idx];
 945                 cmd.secondary_ch_phy_id =
 946                         cpu_to_le32(*((u16 *)data.secondary->drv_priv));
 947         }
 948
 949         rcu_read_unlock();
 950
 951         /* Don't spam the fw with the same command over and over */
 952         if (memcmp(&cmd, &mvm->last_bt_ci_cmd, sizeof(cmd))) {
 953                 if (iwl_mvm_send_cmd_pdu(mvm, BT_COEX_CI, 0,
 954                                          sizeof(cmd), &cmd))
 955                         IWL_ERR(mvm, "Failed to send BT_CI cmd\n");
 956                 memcpy(&mvm->last_bt_ci_cmd, &cmd, sizeof(cmd));
 957         }
 958
 959         if (iwl_mvm_bt_udpate_sw_boost(mvm))
 960                 IWL_ERR(mvm, "Failed to update the ctrl_kill_msk\n");
 961 }
 962
 963 int iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm,
 964                              struct iwl_rx_cmd_buffer *rxb,
 965                              struct iwl_device_cmd *dev_cmd)
 966 {
 967         struct iwl_rx_packet *pkt = rxb_addr(rxb);
 968         struct iwl_bt_coex_profile_notif *notif = (void *)pkt->data;
 969
 970         if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT))
 971                 return iwl_mvm_rx_bt_coex_notif_old(mvm, rxb, dev_cmd);
 972
 973         IWL_DEBUG_COEX(mvm, "BT Coex Notification received\n");
 974         IWL_DEBUG_COEX(mvm, "\tBT ci compliance %d\n", notif->bt_ci_compliance);
 975         IWL_DEBUG_COEX(mvm, "\tBT primary_ch_lut %d\n",
 976                        le32_to_cpu(notif->primary_ch_lut));
 977         IWL_DEBUG_COEX(mvm, "\tBT secondary_ch_lut %d\n",
 978                        le32_to_cpu(notif->secondary_ch_lut));
 979         IWL_DEBUG_COEX(mvm, "\tBT activity grading %d\n",
 980                        le32_to_cpu(notif->bt_activity_grading));
 981
 982         /* remember this notification for future use: rssi fluctuations */
 983         memcpy(&mvm->last_bt_notif, notif, sizeof(mvm->last_bt_notif));
 984
 985         iwl_mvm_bt_coex_notif_handle(mvm);
 986
 987         /*
 988          * This is an async handler for a notification, returning anything other
 989          * than 0 doesn't make sense even if HCMD failed.
 990          */
 991         return 0;
 992 }
 993
 994 static void iwl_mvm_bt_rssi_iterator(void *_data, u8 *mac,
 995                                    struct ieee80211_vif *vif)
 996 {
 997         struct iwl_mvm_vif *mvmvif = (void *)vif->drv_priv;
 998         struct iwl_bt_iterator_data *data = _data;
 999         struct iwl_mvm *mvm = data->mvm;
1000
1001         struct ieee80211_sta *sta;
1002         struct iwl_mvm_sta *mvmsta;
1003
1004         struct ieee80211_chanctx_conf *chanctx_conf;
1005
1006         rcu_read_lock();
1007         chanctx_conf = rcu_dereference(vif->chanctx_conf);
1008         /* If channel context is invalid or not on 2.4GHz - don't count it */
1009         if (!chanctx_conf ||
1010             chanctx_conf->def.chan->band != IEEE80211_BAND_2GHZ) {
1011                 rcu_read_unlock();
1012                 return;
1013         }
1014         rcu_read_unlock();
1015
1016         if (vif->type != NL80211_IFTYPE_STATION ||
1017             mvmvif->ap_sta_id == IWL_MVM_STATION_COUNT)
1018                 return;
1019
1020         sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[mvmvif->ap_sta_id],
1021                                         lockdep_is_held(&mvm->mutex));
1022
1023         /* This can happen if the station has been removed right now */
1024         if (IS_ERR_OR_NULL(sta))
1025                 return;
1026
1027         mvmsta = iwl_mvm_sta_from_mac80211(sta);
1028 }
1029
1030 void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1031                            enum ieee80211_rssi_event rssi_event)
1032 {
1033         struct iwl_mvm_vif *mvmvif = (void *)vif->drv_priv;
1034         struct iwl_bt_iterator_data data = {
1035                 .mvm = mvm,
1036         };
1037         int ret;
1038
1039         if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT)) {
1040                 iwl_mvm_bt_rssi_event_old(mvm, vif, rssi_event);
1041                 return;
1042         }
1043
1044         lockdep_assert_held(&mvm->mutex);
1045
1046         /* Ignore updates if we are in force mode */
1047         if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS))
1048                 return;
1049
1050         /*
1051          * Rssi update while not associated - can happen since the statistics
1052          * are handled asynchronously
1053          */
1054         if (mvmvif->ap_sta_id == IWL_MVM_STATION_COUNT)
1055                 return;
1056
1057         /* No BT - reports should be disabled */
1058         if (le32_to_cpu(mvm->last_bt_notif.bt_activity_grading) == BT_OFF)
1059                 return;
1060
1061         IWL_DEBUG_COEX(mvm, "RSSI for %pM is now %s\n", vif->bss_conf.bssid,
1062                        rssi_event == RSSI_EVENT_HIGH ? "HIGH" : "LOW");
1063
1064         /*
1065          * Check if rssi is good enough for reduced Tx power, but not in loose
1066          * scheme.
1067          */
1068         if (rssi_event == RSSI_EVENT_LOW || mvm->cfg->bt_shared_single_ant ||
1069             iwl_get_coex_type(mvm, vif) == BT_COEX_LOOSE_LUT)
1070                 ret = iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id,
1071                                                   false);
1072         else
1073                 ret = iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, true);
1074
1075         if (ret)
1076                 IWL_ERR(mvm, "couldn't send BT_CONFIG HCMD upon RSSI event\n");
1077
1078         ieee80211_iterate_active_interfaces_atomic(
1079                 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
1080                 iwl_mvm_bt_rssi_iterator, &data);
1081
1082         if (iwl_mvm_bt_udpate_sw_boost(mvm))
1083                 IWL_ERR(mvm, "Failed to update the ctrl_kill_msk\n");
1084 }
1085
1086 #define LINK_QUAL_AGG_TIME_LIMIT_DEF    (4000)
1087 #define LINK_QUAL_AGG_TIME_LIMIT_BT_ACT (1200)
1088
1089 u16 iwl_mvm_coex_agg_time_limit(struct iwl_mvm *mvm,
1090                                 struct ieee80211_sta *sta)
1091 {
1092         struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
1093         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(mvmsta->vif);
1094         struct iwl_mvm_phy_ctxt *phy_ctxt = mvmvif->phy_ctxt;
1095         enum iwl_bt_coex_lut_type lut_type;
1096
1097         if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT))
1098                 return iwl_mvm_coex_agg_time_limit_old(mvm, sta);
1099
1100         if (IWL_COEX_IS_TTC_ON(mvm->last_bt_notif.ttc_rrc_status, phy_ctxt->id))
1101                 return LINK_QUAL_AGG_TIME_LIMIT_DEF;
1102
1103         if (le32_to_cpu(mvm->last_bt_notif.bt_activity_grading) <
1104             BT_HIGH_TRAFFIC)
1105                 return LINK_QUAL_AGG_TIME_LIMIT_DEF;
1106
1107         lut_type = iwl_get_coex_type(mvm, mvmsta->vif);
1108
1109         if (lut_type == BT_COEX_LOOSE_LUT || lut_type == BT_COEX_INVALID_LUT)
1110                 return LINK_QUAL_AGG_TIME_LIMIT_DEF;
1111
1112         /* tight coex, high bt traffic, reduce AGG time limit */
1113         return LINK_QUAL_AGG_TIME_LIMIT_BT_ACT;
1114 }
1115
1116 bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm,
1117                                      struct ieee80211_sta *sta)
1118 {
1119         struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
1120         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(mvmsta->vif);
1121         struct iwl_mvm_phy_ctxt *phy_ctxt = mvmvif->phy_ctxt;
1122         enum iwl_bt_coex_lut_type lut_type;
1123
1124         if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT))
1125                 return iwl_mvm_bt_coex_is_mimo_allowed_old(mvm, sta);
1126
1127         if (IWL_COEX_IS_TTC_ON(mvm->last_bt_notif.ttc_rrc_status, phy_ctxt->id))
1128                 return true;
1129
1130         if (le32_to_cpu(mvm->last_bt_notif.bt_activity_grading) <
1131             BT_HIGH_TRAFFIC)
1132                 return true;
1133
1134         /*
1135          * In Tight / TxTxDis, BT can't Rx while we Tx, so use both antennas
1136          * since BT is already killed.
1137          * In Loose, BT can Rx while we Tx, so forbid MIMO to let BT Rx while
1138          * we Tx.
1139          * When we are in 5GHz, we'll get BT_COEX_INVALID_LUT allowing MIMO.
1140          */
1141         lut_type = iwl_get_coex_type(mvm, mvmsta->vif);
1142         return lut_type != BT_COEX_LOOSE_LUT;
1143 }
1144
1145 bool iwl_mvm_bt_coex_is_shared_ant_avail(struct iwl_mvm *mvm)
1146 {
1147         if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT))
1148                 return iwl_mvm_bt_coex_is_shared_ant_avail_old(mvm);
1149
1150         return le32_to_cpu(mvm->last_bt_notif.bt_activity_grading) == BT_OFF;
1151 }
1152
1153 bool iwl_mvm_bt_coex_is_tpc_allowed(struct iwl_mvm *mvm,
1154                                     enum ieee80211_band band)
1155 {
1156         u32 bt_activity = le32_to_cpu(mvm->last_bt_notif.bt_activity_grading);
1157
1158         if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT))
1159                 return iwl_mvm_bt_coex_is_tpc_allowed_old(mvm, band);
1160
1161         if (band != IEEE80211_BAND_2GHZ)
1162                 return false;
1163
1164         return bt_activity >= BT_LOW_TRAFFIC;
1165 }
1166
1167 u8 iwl_mvm_bt_coex_tx_prio(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr,
1168                            struct ieee80211_tx_info *info, u8 ac)
1169 {
1170         __le16 fc = hdr->frame_control;
1171
1172         if (info->band != IEEE80211_BAND_2GHZ)
1173                 return 0;
1174
1175         if (unlikely(mvm->bt_tx_prio))
1176                 return mvm->bt_tx_prio - 1;
1177
1178         /* High prio packet (wrt. BT coex) if it is EAPOL, MCAST or MGMT */
1179         if (info->control.flags & IEEE80211_TX_CTRL_PORT_CTRL_PROTO ||
1180              is_multicast_ether_addr(hdr->addr1) ||
1181              ieee80211_is_ctl(fc) || ieee80211_is_mgmt(fc) ||
1182              ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc))
1183                 return 3;
1184
1185         switch (ac) {
1186         case IEEE80211_AC_BE:
1187                 return 1;
1188         case IEEE80211_AC_VO:
1189                 return 3;
1190         case IEEE80211_AC_VI:
1191                 return 2;
1192         default:
1193                 break;
1194         }
1195
1196         return 0;
1197 }
1198
1199 void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm)
1200 {
1201         if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT)) {
1202                 iwl_mvm_bt_coex_vif_change_old(mvm);
1203                 return;
1204         }
1205
1206         iwl_mvm_bt_coex_notif_handle(mvm);
1207 }
1208
1209 int iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm,
1210                                   struct iwl_rx_cmd_buffer *rxb,
1211                                   struct iwl_device_cmd *dev_cmd)
1212 {
1213         struct iwl_rx_packet *pkt = rxb_addr(rxb);
1214         u32 ant_isolation = le32_to_cpup((void *)pkt->data);
1215         struct iwl_bt_coex_corun_lut_update_cmd cmd = {};
1216         u8 __maybe_unused lower_bound, upper_bound;
1217         u8 lut;
1218
1219         if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT))
1220                 return iwl_mvm_rx_ant_coupling_notif_old(mvm, rxb, dev_cmd);
1221
1222         if (!IWL_MVM_BT_COEX_CORUNNING)
1223                 return 0;
1224
1225         lockdep_assert_held(&mvm->mutex);
1226
1227         /* Ignore updates if we are in force mode */
1228         if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS))
1229                 return 0;
1230
1231         if (ant_isolation ==  mvm->last_ant_isol)
1232                 return 0;
1233
1234         for (lut = 0; lut < ARRAY_SIZE(antenna_coupling_ranges) - 1; lut++)
1235                 if (ant_isolation < antenna_coupling_ranges[lut + 1].range)
1236                         break;
1237
1238         lower_bound = antenna_coupling_ranges[lut].range;
1239
1240         if (lut < ARRAY_SIZE(antenna_coupling_ranges) - 1)
1241                 upper_bound = antenna_coupling_ranges[lut + 1].range;
1242         else
1243                 upper_bound = antenna_coupling_ranges[lut].range;
1244
1245         IWL_DEBUG_COEX(mvm, "Antenna isolation=%d in range [%d,%d[, lut=%d\n",
1246                        ant_isolation, lower_bound, upper_bound, lut);
1247
1248         mvm->last_ant_isol = ant_isolation;
1249
1250         if (mvm->last_corun_lut == lut)
1251                 return 0;
1252
1253         mvm->last_corun_lut = lut;
1254
1255         /* For the moment, use the same LUT for 20GHz and 40GHz */
1256         memcpy(&cmd.corun_lut20, antenna_coupling_ranges[lut].lut20,
1257                sizeof(cmd.corun_lut20));
1258
1259         memcpy(&cmd.corun_lut40, antenna_coupling_ranges[lut].lut20,
1260                sizeof(cmd.corun_lut40));
1261
1262         return iwl_mvm_send_cmd_pdu(mvm, BT_COEX_UPDATE_CORUN_LUT, 0,
1263                                     sizeof(cmd), &cmd);
1264 }