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

   1 /******************************************************************************
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  60  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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  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 EVENT_PRIO_ANT(_evt, _prio, _shrd_ant)                  \
  74         [(_evt)] = (((_prio) << BT_COEX_PRIO_TBL_PRIO_POS) |    \
  75                    ((_shrd_ant) << BT_COEX_PRIO_TBL_SHRD_ANT_POS))
  76
  77 static const u8 iwl_bt_prio_tbl[BT_COEX_PRIO_TBL_EVT_MAX] = {
  78         EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_INIT_CALIB1,
  79                        BT_COEX_PRIO_TBL_PRIO_BYPASS, 0),
  80         EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_INIT_CALIB2,
  81                        BT_COEX_PRIO_TBL_PRIO_BYPASS, 1),
  82         EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_PERIODIC_CALIB_LOW1,
  83                        BT_COEX_PRIO_TBL_PRIO_LOW, 0),
  84         EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_PERIODIC_CALIB_LOW2,
  85                        BT_COEX_PRIO_TBL_PRIO_LOW, 1),
  86         EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_PERIODIC_CALIB_HIGH1,
  87                        BT_COEX_PRIO_TBL_PRIO_HIGH, 0),
  88         EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_PERIODIC_CALIB_HIGH2,
  89                        BT_COEX_PRIO_TBL_PRIO_HIGH, 1),
  90         EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_DTIM,
  91                        BT_COEX_PRIO_TBL_DISABLED, 0),
  92         EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_SCAN52,
  93                        BT_COEX_PRIO_TBL_PRIO_COEX_OFF, 0),
  94         EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_SCAN24,
  95                        BT_COEX_PRIO_TBL_PRIO_COEX_ON, 0),
  96         EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_IDLE,
  97                        BT_COEX_PRIO_TBL_PRIO_COEX_IDLE, 0),
  98         0, 0, 0, 0, 0, 0,
  99 };
 100
 101 #undef EVENT_PRIO_ANT
 102
 103 #define BT_ANTENNA_COUPLING_THRESHOLD           (30)
 104
 105 static int iwl_send_bt_prio_tbl(struct iwl_mvm *mvm)
 106 {
 107         if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS))
 108                 return 0;
 109
 110         return iwl_mvm_send_cmd_pdu(mvm, BT_COEX_PRIO_TABLE, 0,
 111                                     sizeof(struct iwl_bt_coex_prio_tbl_cmd),
 112                                     &iwl_bt_prio_tbl);
 113 }
 114
 115 const u32 iwl_bt_ack_kill_msk[BT_KILL_MSK_MAX] = {
 116         [BT_KILL_MSK_DEFAULT] = 0xffff0000,
 117         [BT_KILL_MSK_SCO_HID_A2DP] = 0xffffffff,
 118         [BT_KILL_MSK_REDUCED_TXPOW] = 0,
 119 };
 120
 121 const u32 iwl_bt_cts_kill_msk[BT_KILL_MSK_MAX] = {
 122         [BT_KILL_MSK_DEFAULT] = 0xffff0000,
 123         [BT_KILL_MSK_SCO_HID_A2DP] = 0xffffffff,
 124         [BT_KILL_MSK_REDUCED_TXPOW] = 0,
 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
 524         /*
 525          * Checking that we hold mvm->mutex is a good idea, but the rate
 526          * control can't acquire the mutex since it runs in Tx path.
 527          * So this is racy in that case, but in the worst case, the AMPDU
 528          * size limit will be wrong for a short time which is not a big
 529          * issue.
 530          */
 531
 532         rcu_read_lock();
 533
 534         chanctx_conf = rcu_dereference(vif->chanctx_conf);
 535
 536         if (!chanctx_conf ||
 537              chanctx_conf->def.chan->band != IEEE80211_BAND_2GHZ) {
 538                 rcu_read_unlock();
 539                 return BT_COEX_INVALID_LUT;
 540         }
 541
 542         ret = BT_COEX_TX_DIS_LUT;
 543
 544         if (mvm->cfg->bt_shared_single_ant) {
 545                 rcu_read_unlock();
 546                 return ret;
 547         }
 548
 549         phy_ctx_id = *((u16 *)chanctx_conf->drv_priv);
 550
 551         if (mvm->last_bt_ci_cmd.primary_ch_phy_id == phy_ctx_id)
 552                 ret = le32_to_cpu(mvm->last_bt_notif.primary_ch_lut);
 553         else if (mvm->last_bt_ci_cmd.secondary_ch_phy_id == phy_ctx_id)
 554                 ret = le32_to_cpu(mvm->last_bt_notif.secondary_ch_lut);
 555         /* else - default = TX TX disallowed */
 556
 557         rcu_read_unlock();
 558
 559         return ret;
 560 }
 561
 562 int iwl_send_bt_init_conf(struct iwl_mvm *mvm)
 563 {
 564         struct iwl_bt_coex_cmd_old *bt_cmd;
 565         struct iwl_host_cmd cmd = {
 566                 .id = BT_CONFIG,
 567                 .len = { sizeof(*bt_cmd), },
 568                 .dataflags = { IWL_HCMD_DFL_NOCOPY, },
 569         };
 570         int ret;
 571         u32 flags;
 572
 573         if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT))
 574                 return iwl_send_bt_init_conf_old(mvm);
 575
 576         /* TODO */
 577         return 0;
 578
 579         ret = iwl_send_bt_prio_tbl(mvm);
 580         if (ret)
 581                 return ret;
 582
 583         bt_cmd = kzalloc(sizeof(*bt_cmd), GFP_KERNEL);
 584         if (!bt_cmd)
 585                 return -ENOMEM;
 586         cmd.data[0] = bt_cmd;
 587
 588         lockdep_assert_held(&mvm->mutex);
 589
 590         if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS)) {
 591                 switch (mvm->bt_force_ant_mode) {
 592                 case BT_FORCE_ANT_AUTO:
 593                         flags = BT_COEX_AUTO_OLD;
 594                         break;
 595                 case BT_FORCE_ANT_BT:
 596                         flags = BT_COEX_BT_OLD;
 597                         break;
 598                 case BT_FORCE_ANT_WIFI:
 599                         flags = BT_COEX_WIFI_OLD;
 600                         break;
 601                 default:
 602                         WARN_ON(1);
 603                         flags = 0;
 604                 }
 605
 606                 bt_cmd->flags = cpu_to_le32(flags);
 607                 bt_cmd->valid_bit_msk = cpu_to_le32(BT_VALID_ENABLE);
 608                 goto send_cmd;
 609         }
 610
 611         bt_cmd->max_kill = 5;
 612         bt_cmd->bt4_antenna_isolation_thr = BT_ANTENNA_COUPLING_THRESHOLD;
 613         bt_cmd->bt4_antenna_isolation = iwlwifi_mod_params.ant_coupling;
 614         bt_cmd->bt4_tx_tx_delta_freq_thr = 15;
 615         bt_cmd->bt4_tx_rx_max_freq0 = 15;
 616         bt_cmd->override_primary_lut = BT_COEX_INVALID_LUT;
 617         bt_cmd->override_secondary_lut = BT_COEX_INVALID_LUT;
 618
 619         flags = iwlwifi_mod_params.bt_coex_active ?
 620                         BT_COEX_NW_OLD : BT_COEX_DISABLE_OLD;
 621         bt_cmd->flags = cpu_to_le32(flags);
 622
 623         bt_cmd->valid_bit_msk = cpu_to_le32(BT_VALID_ENABLE |
 624                                             BT_VALID_BT_PRIO_BOOST |
 625                                             BT_VALID_MAX_KILL |
 626                                             BT_VALID_3W_TMRS |
 627                                             BT_VALID_KILL_ACK |
 628                                             BT_VALID_KILL_CTS |
 629                                             BT_VALID_REDUCED_TX_POWER |
 630                                             BT_VALID_LUT |
 631                                             BT_VALID_WIFI_RX_SW_PRIO_BOOST |
 632                                             BT_VALID_WIFI_TX_SW_PRIO_BOOST |
 633                                             BT_VALID_ANT_ISOLATION |
 634                                             BT_VALID_ANT_ISOLATION_THRS |
 635                                             BT_VALID_TXTX_DELTA_FREQ_THRS |
 636                                             BT_VALID_TXRX_MAX_FREQ_0 |
 637                                             BT_VALID_SYNC_TO_SCO);
 638
 639         if (IWL_MVM_BT_COEX_SYNC2SCO)
 640                 bt_cmd->flags |= cpu_to_le32(BT_COEX_SYNC2SCO);
 641
 642         if (IWL_MVM_BT_COEX_CORUNNING) {
 643                 bt_cmd->valid_bit_msk |= cpu_to_le32(BT_VALID_CORUN_LUT_20 |
 644                                                      BT_VALID_CORUN_LUT_40);
 645                 bt_cmd->flags |= cpu_to_le32(BT_COEX_CORUNNING);
 646         }
 647
 648         if (IWL_MVM_BT_COEX_MPLUT) {
 649                 bt_cmd->flags |= cpu_to_le32(BT_COEX_MPLUT);
 650                 bt_cmd->valid_bit_msk |= cpu_to_le32(BT_VALID_MULTI_PRIO_LUT);
 651         }
 652
 653         if (mvm->cfg->bt_shared_single_ant)
 654                 memcpy(&bt_cmd->decision_lut, iwl_single_shared_ant,
 655                        sizeof(iwl_single_shared_ant));
 656         else
 657                 memcpy(&bt_cmd->decision_lut, iwl_combined_lookup,
 658                        sizeof(iwl_combined_lookup));
 659
 660         /* Take first Co-running block LUT to get started */
 661         memcpy(bt_cmd->bt4_corun_lut20, antenna_coupling_ranges[0].lut20,
 662                sizeof(bt_cmd->bt4_corun_lut20));
 663         memcpy(bt_cmd->bt4_corun_lut40, antenna_coupling_ranges[0].lut20,
 664                sizeof(bt_cmd->bt4_corun_lut40));
 665
 666         memcpy(&bt_cmd->bt_prio_boost, iwl_bt_prio_boost,
 667                sizeof(iwl_bt_prio_boost));
 668         memcpy(&bt_cmd->bt4_multiprio_lut, iwl_bt_mprio_lut,
 669                sizeof(iwl_bt_mprio_lut));
 670         bt_cmd->kill_ack_msk =
 671                 cpu_to_le32(iwl_bt_ack_kill_msk[BT_KILL_MSK_DEFAULT]);
 672         bt_cmd->kill_cts_msk =
 673                 cpu_to_le32(iwl_bt_cts_kill_msk[BT_KILL_MSK_DEFAULT]);
 674
 675 send_cmd:
 676         memset(&mvm->last_bt_notif, 0, sizeof(mvm->last_bt_notif));
 677         memset(&mvm->last_bt_ci_cmd, 0, sizeof(mvm->last_bt_ci_cmd));
 678
 679         ret = iwl_mvm_send_cmd(mvm, &cmd);
 680
 681         kfree(bt_cmd);
 682         return ret;
 683 }
 684
 685 static int iwl_mvm_bt_udpate_ctrl_kill_msk(struct iwl_mvm *mvm,
 686                                            bool reduced_tx_power)
 687 {
 688         enum iwl_bt_kill_msk bt_kill_msk;
 689         struct iwl_bt_coex_cmd_old *bt_cmd;
 690         struct iwl_bt_coex_profile_notif_old *notif = &mvm->last_bt_notif;
 691         struct iwl_host_cmd cmd = {
 692                 .id = BT_CONFIG,
 693                 .data[0] = &bt_cmd,
 694                 .len = { sizeof(*bt_cmd), },
 695                 .dataflags = { IWL_HCMD_DFL_NOCOPY, },
 696         };
 697         int ret = 0;
 698
 699         lockdep_assert_held(&mvm->mutex);
 700
 701         if (reduced_tx_power) {
 702                 /* Reduced Tx power has precedence on the type of the profile */
 703                 bt_kill_msk = BT_KILL_MSK_REDUCED_TXPOW;
 704         } else {
 705                 /* Low latency BT profile is active: give higher prio to BT */
 706                 if (BT_MBOX_MSG(notif, 3, SCO_STATE)  ||
 707                     BT_MBOX_MSG(notif, 3, A2DP_STATE) ||
 708                     BT_MBOX_MSG(notif, 3, SNIFF_STATE))
 709                         bt_kill_msk = BT_KILL_MSK_SCO_HID_A2DP;
 710                 else
 711                         bt_kill_msk = BT_KILL_MSK_DEFAULT;
 712         }
 713
 714         IWL_DEBUG_COEX(mvm,
 715                        "Update kill_msk: %d - SCO %sactive A2DP %sactive SNIFF %sactive\n",
 716                        bt_kill_msk,
 717                        BT_MBOX_MSG(notif, 3, SCO_STATE) ? "" : "in",
 718                        BT_MBOX_MSG(notif, 3, A2DP_STATE) ? "" : "in",
 719                        BT_MBOX_MSG(notif, 3, SNIFF_STATE) ? "" : "in");
 720
 721         /* Don't send HCMD if there is no update */
 722         if (bt_kill_msk == mvm->bt_kill_msk)
 723                 return 0;
 724
 725         mvm->bt_kill_msk = bt_kill_msk;
 726
 727         bt_cmd = kzalloc(sizeof(*bt_cmd), GFP_KERNEL);
 728         if (!bt_cmd)
 729                 return -ENOMEM;
 730         cmd.data[0] = bt_cmd;
 731         bt_cmd->flags = cpu_to_le32(BT_COEX_NW_OLD);
 732
 733         bt_cmd->kill_ack_msk = cpu_to_le32(iwl_bt_ack_kill_msk[bt_kill_msk]);
 734         bt_cmd->kill_cts_msk = cpu_to_le32(iwl_bt_cts_kill_msk[bt_kill_msk]);
 735         bt_cmd->valid_bit_msk |= cpu_to_le32(BT_VALID_ENABLE |
 736                                              BT_VALID_KILL_ACK |
 737                                              BT_VALID_KILL_CTS);
 738
 739         IWL_DEBUG_COEX(mvm, "ACK Kill msk = 0x%08x, CTS Kill msk = 0x%08x\n",
 740                        iwl_bt_ack_kill_msk[bt_kill_msk],
 741                        iwl_bt_cts_kill_msk[bt_kill_msk]);
 742
 743         ret = iwl_mvm_send_cmd(mvm, &cmd);
 744
 745         kfree(bt_cmd);
 746         return ret;
 747 }
 748
 749 static int iwl_mvm_bt_coex_reduced_txp(struct iwl_mvm *mvm, u8 sta_id,
 750                                        bool enable)
 751 {
 752         struct iwl_bt_coex_cmd_old *bt_cmd;
 753         /* Send ASYNC since this can be sent from an atomic context */
 754         struct iwl_host_cmd cmd = {
 755                 .id = BT_CONFIG,
 756                 .len = { sizeof(*bt_cmd), },
 757                 .dataflags = { IWL_HCMD_DFL_NOCOPY, },
 758                 .flags = CMD_ASYNC,
 759         };
 760         struct iwl_mvm_sta *mvmsta;
 761         int ret;
 762
 763         mvmsta = iwl_mvm_sta_from_staid_protected(mvm, sta_id);
 764         if (!mvmsta)
 765                 return 0;
 766
 767         /* nothing to do */
 768         if (mvmsta->bt_reduced_txpower == enable)
 769                 return 0;
 770
 771         bt_cmd = kzalloc(sizeof(*bt_cmd), GFP_ATOMIC);
 772         if (!bt_cmd)
 773                 return -ENOMEM;
 774         cmd.data[0] = bt_cmd;
 775         bt_cmd->flags = cpu_to_le32(BT_COEX_NW_OLD);
 776
 777         bt_cmd->valid_bit_msk =
 778                 cpu_to_le32(BT_VALID_ENABLE | BT_VALID_REDUCED_TX_POWER);
 779         bt_cmd->bt_reduced_tx_power = sta_id;
 780
 781         if (enable)
 782                 bt_cmd->bt_reduced_tx_power |= BT_REDUCED_TX_POWER_BIT;
 783
 784         IWL_DEBUG_COEX(mvm, "%sable reduced Tx Power for sta %d\n",
 785                        enable ? "en" : "dis", sta_id);
 786
 787         mvmsta->bt_reduced_txpower = enable;
 788
 789         ret = iwl_mvm_send_cmd(mvm, &cmd);
 790
 791         kfree(bt_cmd);
 792         return ret;
 793 }
 794
 795 struct iwl_bt_iterator_data {
 796         struct iwl_bt_coex_profile_notif_old *notif;
 797         struct iwl_mvm *mvm;
 798         u32 num_bss_ifaces;
 799         bool reduced_tx_power;
 800         struct ieee80211_chanctx_conf *primary;
 801         struct ieee80211_chanctx_conf *secondary;
 802         bool primary_ll;
 803 };
 804
 805 static inline
 806 void iwl_mvm_bt_coex_enable_rssi_event(struct iwl_mvm *mvm,
 807                                        struct ieee80211_vif *vif,
 808                                        bool enable, int rssi)
 809 {
 810         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 811
 812         mvmvif->bf_data.last_bt_coex_event = rssi;
 813         mvmvif->bf_data.bt_coex_max_thold =
 814                 enable ? -IWL_MVM_BT_COEX_EN_RED_TXP_THRESH : 0;
 815         mvmvif->bf_data.bt_coex_min_thold =
 816                 enable ? -IWL_MVM_BT_COEX_DIS_RED_TXP_THRESH : 0;
 817 }
 818
 819 /* must be called under rcu_read_lock */
 820 static void iwl_mvm_bt_notif_iterator(void *_data, u8 *mac,
 821                                       struct ieee80211_vif *vif)
 822 {
 823         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 824         struct iwl_bt_iterator_data *data = _data;
 825         struct iwl_mvm *mvm = data->mvm;
 826         struct ieee80211_chanctx_conf *chanctx_conf;
 827         enum ieee80211_smps_mode smps_mode;
 828         u32 bt_activity_grading;
 829         int ave_rssi;
 830
 831         lockdep_assert_held(&mvm->mutex);
 832
 833         switch (vif->type) {
 834         case NL80211_IFTYPE_STATION:
 835                 /* Count BSSes vifs */
 836                 data->num_bss_ifaces++;
 837                 /* default smps_mode for BSS / P2P client is AUTOMATIC */
 838                 smps_mode = IEEE80211_SMPS_AUTOMATIC;
 839                 break;
 840         case NL80211_IFTYPE_AP:
 841                 /* default smps_mode for AP / GO is OFF */
 842                 smps_mode = IEEE80211_SMPS_OFF;
 843                 if (!mvmvif->ap_ibss_active) {
 844                         iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_BT_COEX,
 845                                             smps_mode);
 846                         return;
 847                 }
 848
 849                 /* the Ack / Cts kill mask must be default if AP / GO */
 850                 data->reduced_tx_power = false;
 851                 break;
 852         default:
 853                 return;
 854         }
 855
 856         chanctx_conf = rcu_dereference(vif->chanctx_conf);
 857
 858         /* If channel context is invalid or not on 2.4GHz .. */
 859         if ((!chanctx_conf ||
 860              chanctx_conf->def.chan->band != IEEE80211_BAND_2GHZ)) {
 861                 /* ... relax constraints and disable rssi events */
 862                 iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_BT_COEX,
 863                                     smps_mode);
 864                 data->reduced_tx_power = false;
 865                 if (vif->type == NL80211_IFTYPE_STATION) {
 866                         iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id,
 867                                                     false);
 868                         iwl_mvm_bt_coex_enable_rssi_event(mvm, vif, false, 0);
 869                 }
 870                 return;
 871         }
 872
 873         bt_activity_grading = le32_to_cpu(data->notif->bt_activity_grading);
 874         if (bt_activity_grading >= BT_HIGH_TRAFFIC)
 875                 smps_mode = IEEE80211_SMPS_STATIC;
 876         else if (bt_activity_grading >= BT_LOW_TRAFFIC)
 877                 smps_mode = vif->type == NL80211_IFTYPE_AP ?
 878                                 IEEE80211_SMPS_OFF :
 879                                 IEEE80211_SMPS_DYNAMIC;
 880
 881         /* relax SMPS contraints for next association */
 882         if (!vif->bss_conf.assoc)
 883                 smps_mode = IEEE80211_SMPS_AUTOMATIC;
 884
 885         IWL_DEBUG_COEX(data->mvm,
 886                        "mac %d: bt_status %d bt_activity_grading %d smps_req %d\n",
 887                        mvmvif->id, data->notif->bt_status, bt_activity_grading,
 888                        smps_mode);
 889
 890         iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_BT_COEX, smps_mode);
 891
 892         /* low latency is always primary */
 893         if (iwl_mvm_vif_low_latency(mvmvif)) {
 894                 data->primary_ll = true;
 895
 896                 data->secondary = data->primary;
 897                 data->primary = chanctx_conf;
 898         }
 899
 900         if (vif->type == NL80211_IFTYPE_AP) {
 901                 if (!mvmvif->ap_ibss_active)
 902                         return;
 903
 904                 if (chanctx_conf == data->primary)
 905                         return;
 906
 907                 if (!data->primary_ll) {
 908                         /*
 909                          * downgrade the current primary no matter what its
 910                          * type is.
 911                          */
 912                         data->secondary = data->primary;
 913                         data->primary = chanctx_conf;
 914                 } else {
 915                         /* there is low latency vif - we will be secondary */
 916                         data->secondary = chanctx_conf;
 917                 }
 918                 return;
 919         }
 920
 921         /*
 922          * STA / P2P Client, try to be primary if first vif. If we are in low
 923          * latency mode, we are already in primary and just don't do much
 924          */
 925         if (!data->primary || data->primary == chanctx_conf)
 926                 data->primary = chanctx_conf;
 927         else if (!data->secondary)
 928                 /* if secondary is not NULL, it might be a GO */
 929                 data->secondary = chanctx_conf;
 930
 931         /*
 932          * don't reduce the Tx power if one of these is true:
 933          *  we are in LOOSE
 934          *  single share antenna product
 935          *  BT is active
 936          *  we are associated
 937          */
 938         if (iwl_get_coex_type(mvm, vif) == BT_COEX_LOOSE_LUT ||
 939             mvm->cfg->bt_shared_single_ant || !vif->bss_conf.assoc ||
 940             !data->notif->bt_status) {
 941                 data->reduced_tx_power = false;
 942                 iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, false);
 943                 iwl_mvm_bt_coex_enable_rssi_event(mvm, vif, false, 0);
 944                 return;
 945         }
 946
 947         /* try to get the avg rssi from fw */
 948         ave_rssi = mvmvif->bf_data.ave_beacon_signal;
 949
 950         /* if the RSSI isn't valid, fake it is very low */
 951         if (!ave_rssi)
 952                 ave_rssi = -100;
 953         if (ave_rssi > -IWL_MVM_BT_COEX_EN_RED_TXP_THRESH) {
 954                 if (iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, true))
 955                         IWL_ERR(mvm, "Couldn't send BT_CONFIG cmd\n");
 956
 957                 /*
 958                  * bt_kill_msk can be BT_KILL_MSK_REDUCED_TXPOW only if all the
 959                  * BSS / P2P clients have rssi above threshold.
 960                  * We set the bt_kill_msk to BT_KILL_MSK_REDUCED_TXPOW before
 961                  * the iteration, if one interface's rssi isn't good enough,
 962                  * bt_kill_msk will be set to default values.
 963                  */
 964         } else if (ave_rssi < -IWL_MVM_BT_COEX_DIS_RED_TXP_THRESH) {
 965                 if (iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, false))
 966                         IWL_ERR(mvm, "Couldn't send BT_CONFIG cmd\n");
 967
 968                 /*
 969                  * One interface hasn't rssi above threshold, bt_kill_msk must
 970                  * be set to default values.
 971                  */
 972                 data->reduced_tx_power = false;
 973         }
 974
 975         /* Begin to monitor the RSSI: it may influence the reduced Tx power */
 976         iwl_mvm_bt_coex_enable_rssi_event(mvm, vif, true, ave_rssi);
 977 }
 978
 979 static void iwl_mvm_bt_coex_notif_handle(struct iwl_mvm *mvm)
 980 {
 981         struct iwl_bt_iterator_data data = {
 982                 .mvm = mvm,
 983                 .notif = &mvm->last_bt_notif,
 984                 .reduced_tx_power = true,
 985         };
 986         struct iwl_bt_coex_ci_cmd_old cmd = {};
 987         u8 ci_bw_idx;
 988
 989         /* Ignore updates if we are in force mode */
 990         if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS))
 991                 return;
 992
 993         rcu_read_lock();
 994         ieee80211_iterate_active_interfaces_atomic(
 995                                         mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
 996                                         iwl_mvm_bt_notif_iterator, &data);
 997
 998         if (data.primary) {
 999                 struct ieee80211_chanctx_conf *chan = data.primary;
1000                 if (WARN_ON(!chan->def.chan)) {
1001                         rcu_read_unlock();
1002                         return;
1003                 }
1004
1005                 if (chan->def.width < NL80211_CHAN_WIDTH_40) {
1006                         ci_bw_idx = 0;
1007                         cmd.co_run_bw_primary = 0;
1008                 } else {
1009                         cmd.co_run_bw_primary = 1;
1010                         if (chan->def.center_freq1 >
1011                             chan->def.chan->center_freq)
1012                                 ci_bw_idx = 2;
1013                         else
1014                                 ci_bw_idx = 1;
1015                 }
1016
1017                 cmd.bt_primary_ci =
1018                         iwl_ci_mask[chan->def.chan->hw_value][ci_bw_idx];
1019                 cmd.primary_ch_phy_id = *((u16 *)data.primary->drv_priv);
1020         }
1021
1022         if (data.secondary) {
1023                 struct ieee80211_chanctx_conf *chan = data.secondary;
1024                 if (WARN_ON(!data.secondary->def.chan)) {
1025                         rcu_read_unlock();
1026                         return;
1027                 }
1028
1029                 if (chan->def.width < NL80211_CHAN_WIDTH_40) {
1030                         ci_bw_idx = 0;
1031                         cmd.co_run_bw_secondary = 0;
1032                 } else {
1033                         cmd.co_run_bw_secondary = 1;
1034                         if (chan->def.center_freq1 >
1035                             chan->def.chan->center_freq)
1036                                 ci_bw_idx = 2;
1037                         else
1038                                 ci_bw_idx = 1;
1039                 }
1040
1041                 cmd.bt_secondary_ci =
1042                         iwl_ci_mask[chan->def.chan->hw_value][ci_bw_idx];
1043                 cmd.secondary_ch_phy_id = *((u16 *)data.secondary->drv_priv);
1044         }
1045
1046         rcu_read_unlock();
1047
1048         /* Don't spam the fw with the same command over and over */
1049         if (memcmp(&cmd, &mvm->last_bt_ci_cmd, sizeof(cmd))) {
1050                 if (iwl_mvm_send_cmd_pdu(mvm, BT_COEX_CI, 0,
1051                                          sizeof(cmd), &cmd))
1052                         IWL_ERR(mvm, "Failed to send BT_CI cmd\n");
1053                 memcpy(&mvm->last_bt_ci_cmd, &cmd, sizeof(cmd));
1054         }
1055
1056         /*
1057          * If there are no BSS / P2P client interfaces, reduced Tx Power is
1058          * irrelevant since it is based on the RSSI coming from the beacon.
1059          * Use BT_KILL_MSK_DEFAULT in that case.
1060          */
1061         data.reduced_tx_power = data.reduced_tx_power && data.num_bss_ifaces;
1062
1063         if (iwl_mvm_bt_udpate_ctrl_kill_msk(mvm, data.reduced_tx_power))
1064                 IWL_ERR(mvm, "Failed to update the ctrl_kill_msk\n");
1065 }
1066
1067 int iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm,
1068                              struct iwl_rx_cmd_buffer *rxb,
1069                              struct iwl_device_cmd *dev_cmd)
1070 {
1071         struct iwl_rx_packet *pkt = rxb_addr(rxb);
1072         struct iwl_bt_coex_profile_notif_old *notif = (void *)pkt->data;
1073
1074         if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT))
1075                 return iwl_mvm_rx_bt_coex_notif_old(mvm, rxb, dev_cmd);
1076
1077         /* TODO */
1078         return 0;
1079
1080         IWL_DEBUG_COEX(mvm, "BT Coex Notification received\n");
1081         IWL_DEBUG_COEX(mvm, "\tBT status: %s\n",
1082                        notif->bt_status ? "ON" : "OFF");
1083         IWL_DEBUG_COEX(mvm, "\tBT open conn %d\n", notif->bt_open_conn);
1084         IWL_DEBUG_COEX(mvm, "\tBT ci compliance %d\n", notif->bt_ci_compliance);
1085         IWL_DEBUG_COEX(mvm, "\tBT primary_ch_lut %d\n",
1086                        le32_to_cpu(notif->primary_ch_lut));
1087         IWL_DEBUG_COEX(mvm, "\tBT secondary_ch_lut %d\n",
1088                        le32_to_cpu(notif->secondary_ch_lut));
1089         IWL_DEBUG_COEX(mvm, "\tBT activity grading %d\n",
1090                        le32_to_cpu(notif->bt_activity_grading));
1091         IWL_DEBUG_COEX(mvm, "\tBT agg traffic load %d\n",
1092                        notif->bt_agg_traffic_load);
1093
1094         /* remember this notification for future use: rssi fluctuations */
1095         memcpy(&mvm->last_bt_notif, notif, sizeof(mvm->last_bt_notif));
1096
1097         iwl_mvm_bt_coex_notif_handle(mvm);
1098
1099         /*
1100          * This is an async handler for a notification, returning anything other
1101          * than 0 doesn't make sense even if HCMD failed.
1102          */
1103         return 0;
1104 }
1105
1106 static void iwl_mvm_bt_rssi_iterator(void *_data, u8 *mac,
1107                                    struct ieee80211_vif *vif)
1108 {
1109         struct iwl_mvm_vif *mvmvif = (void *)vif->drv_priv;
1110         struct iwl_bt_iterator_data *data = _data;
1111         struct iwl_mvm *mvm = data->mvm;
1112
1113         struct ieee80211_sta *sta;
1114         struct iwl_mvm_sta *mvmsta;
1115
1116         struct ieee80211_chanctx_conf *chanctx_conf;
1117
1118         rcu_read_lock();
1119         chanctx_conf = rcu_dereference(vif->chanctx_conf);
1120         /* If channel context is invalid or not on 2.4GHz - don't count it */
1121         if (!chanctx_conf ||
1122             chanctx_conf->def.chan->band != IEEE80211_BAND_2GHZ) {
1123                 rcu_read_unlock();
1124                 return;
1125         }
1126         rcu_read_unlock();
1127
1128         if (vif->type != NL80211_IFTYPE_STATION ||
1129             mvmvif->ap_sta_id == IWL_MVM_STATION_COUNT)
1130                 return;
1131
1132         sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[mvmvif->ap_sta_id],
1133                                         lockdep_is_held(&mvm->mutex));
1134
1135         /* This can happen if the station has been removed right now */
1136         if (IS_ERR_OR_NULL(sta))
1137                 return;
1138
1139         mvmsta = iwl_mvm_sta_from_mac80211(sta);
1140
1141         data->num_bss_ifaces++;
1142
1143         /*
1144          * This interface doesn't support reduced Tx power (because of low
1145          * RSSI probably), then set bt_kill_msk to default values.
1146          */
1147         if (!mvmsta->bt_reduced_txpower)
1148                 data->reduced_tx_power = false;
1149         /* else - possibly leave it to BT_KILL_MSK_REDUCED_TXPOW */
1150 }
1151
1152 void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1153                            enum ieee80211_rssi_event rssi_event)
1154 {
1155         struct iwl_mvm_vif *mvmvif = (void *)vif->drv_priv;
1156         struct iwl_bt_iterator_data data = {
1157                 .mvm = mvm,
1158                 .reduced_tx_power = true,
1159         };
1160         int ret;
1161
1162         if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT)) {
1163                 iwl_mvm_bt_rssi_event_old(mvm, vif, rssi_event);
1164                 return;
1165         }
1166
1167         /* TODO */
1168         return;
1169
1170         lockdep_assert_held(&mvm->mutex);
1171
1172         /* Ignore updates if we are in force mode */
1173         if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS))
1174                 return;
1175
1176         /*
1177          * Rssi update while not associated - can happen since the statistics
1178          * are handled asynchronously
1179          */
1180         if (mvmvif->ap_sta_id == IWL_MVM_STATION_COUNT)
1181                 return;
1182
1183         /* No BT - reports should be disabled */
1184         if (!mvm->last_bt_notif.bt_status)
1185                 return;
1186
1187         IWL_DEBUG_COEX(mvm, "RSSI for %pM is now %s\n", vif->bss_conf.bssid,
1188                        rssi_event == RSSI_EVENT_HIGH ? "HIGH" : "LOW");
1189
1190         /*
1191          * Check if rssi is good enough for reduced Tx power, but not in loose
1192          * scheme.
1193          */
1194         if (rssi_event == RSSI_EVENT_LOW || mvm->cfg->bt_shared_single_ant ||
1195             iwl_get_coex_type(mvm, vif) == BT_COEX_LOOSE_LUT)
1196                 ret = iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id,
1197                                                   false);
1198         else
1199                 ret = iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, true);
1200
1201         if (ret)
1202                 IWL_ERR(mvm, "couldn't send BT_CONFIG HCMD upon RSSI event\n");
1203
1204         ieee80211_iterate_active_interfaces_atomic(
1205                 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
1206                 iwl_mvm_bt_rssi_iterator, &data);
1207
1208         /*
1209          * If there are no BSS / P2P client interfaces, reduced Tx Power is
1210          * irrelevant since it is based on the RSSI coming from the beacon.
1211          * Use BT_KILL_MSK_DEFAULT in that case.
1212          */
1213         data.reduced_tx_power = data.reduced_tx_power && data.num_bss_ifaces;
1214
1215         if (iwl_mvm_bt_udpate_ctrl_kill_msk(mvm, data.reduced_tx_power))
1216                 IWL_ERR(mvm, "Failed to update the ctrl_kill_msk\n");
1217 }
1218
1219 #define LINK_QUAL_AGG_TIME_LIMIT_DEF    (4000)
1220 #define LINK_QUAL_AGG_TIME_LIMIT_BT_ACT (1200)
1221
1222 u16 iwl_mvm_coex_agg_time_limit(struct iwl_mvm *mvm,
1223                                 struct ieee80211_sta *sta)
1224 {
1225         struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
1226         enum iwl_bt_coex_lut_type lut_type;
1227
1228         if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT))
1229                 return iwl_mvm_coex_agg_time_limit_old(mvm, sta);
1230
1231         /* TODO */
1232         return LINK_QUAL_AGG_TIME_LIMIT_DEF;
1233
1234         if (le32_to_cpu(mvm->last_bt_notif.bt_activity_grading) <
1235             BT_HIGH_TRAFFIC)
1236                 return LINK_QUAL_AGG_TIME_LIMIT_DEF;
1237
1238         if (mvm->last_bt_notif.ttc_enabled)
1239                 return LINK_QUAL_AGG_TIME_LIMIT_DEF;
1240
1241         lut_type = iwl_get_coex_type(mvm, mvmsta->vif);
1242
1243         if (lut_type == BT_COEX_LOOSE_LUT || lut_type == BT_COEX_INVALID_LUT)
1244                 return LINK_QUAL_AGG_TIME_LIMIT_DEF;
1245
1246         /* tight coex, high bt traffic, reduce AGG time limit */
1247         return LINK_QUAL_AGG_TIME_LIMIT_BT_ACT;
1248 }
1249
1250 bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm,
1251                                      struct ieee80211_sta *sta)
1252 {
1253         struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
1254         enum iwl_bt_coex_lut_type lut_type;
1255
1256         if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT))
1257                 return iwl_mvm_coex_agg_time_limit_old(mvm, sta);
1258
1259         return true;
1260
1261         /* TODO */
1262         if (mvm->last_bt_notif.ttc_enabled)
1263                 return true;
1264
1265         if (le32_to_cpu(mvm->last_bt_notif.bt_activity_grading) <
1266             BT_HIGH_TRAFFIC)
1267                 return true;
1268
1269         /*
1270          * In Tight / TxTxDis, BT can't Rx while we Tx, so use both antennas
1271          * since BT is already killed.
1272          * In Loose, BT can Rx while we Tx, so forbid MIMO to let BT Rx while
1273          * we Tx.
1274          * When we are in 5GHz, we'll get BT_COEX_INVALID_LUT allowing MIMO.
1275          */
1276         lut_type = iwl_get_coex_type(mvm, mvmsta->vif);
1277         return lut_type != BT_COEX_LOOSE_LUT;
1278 }
1279
1280 bool iwl_mvm_bt_coex_is_shared_ant_avail(struct iwl_mvm *mvm)
1281 {
1282         if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT))
1283                 return iwl_mvm_bt_coex_is_shared_ant_avail_old(mvm);
1284
1285         return le32_to_cpu(mvm->last_bt_notif.bt_activity_grading) == BT_OFF;
1286 }
1287
1288 bool iwl_mvm_bt_coex_is_tpc_allowed(struct iwl_mvm *mvm,
1289                                     enum ieee80211_band band)
1290 {
1291         u32 bt_activity = le32_to_cpu(mvm->last_bt_notif.bt_activity_grading);
1292
1293         if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT))
1294                 return iwl_mvm_bt_coex_is_tpc_allowed_old(mvm, band);
1295
1296         /* TODO */
1297         return false;
1298
1299         if (band != IEEE80211_BAND_2GHZ)
1300                 return false;
1301
1302         return bt_activity >= BT_LOW_TRAFFIC;
1303 }
1304
1305 u8 iwl_mvm_bt_coex_tx_prio(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr,
1306                            struct ieee80211_tx_info *info, u8 ac)
1307 {
1308         __le16 fc = hdr->frame_control;
1309
1310         if (info->band != IEEE80211_BAND_2GHZ)
1311                 return 0;
1312
1313         if (unlikely(mvm->bt_tx_prio))
1314                 return mvm->bt_tx_prio - 1;
1315
1316         /* High prio packet (wrt. BT coex) if it is EAPOL, MCAST or MGMT */
1317         if (info->control.flags & IEEE80211_TX_CTRL_PORT_CTRL_PROTO ||
1318              is_multicast_ether_addr(hdr->addr1) ||
1319              ieee80211_is_ctl(fc) || ieee80211_is_mgmt(fc) ||
1320              ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc))
1321                 return 3;
1322
1323         switch (ac) {
1324         case IEEE80211_AC_BE:
1325                 return 1;
1326         case IEEE80211_AC_VO:
1327                 return 3;
1328         case IEEE80211_AC_VI:
1329                 return 2;
1330         default:
1331                 break;
1332         }
1333
1334         return 0;
1335 }
1336
1337 void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm)
1338 {
1339         if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT)) {
1340                 iwl_mvm_bt_coex_vif_change_old(mvm);
1341                 return;
1342         }
1343
1344         /* TODO */
1345         return;
1346
1347         iwl_mvm_bt_coex_notif_handle(mvm);
1348 }
1349
1350 int iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm,
1351                                   struct iwl_rx_cmd_buffer *rxb,
1352                                   struct iwl_device_cmd *dev_cmd)
1353 {
1354         struct iwl_rx_packet *pkt = rxb_addr(rxb);
1355         u32 ant_isolation = le32_to_cpup((void *)pkt->data);
1356         u8 __maybe_unused lower_bound, upper_bound;
1357         int ret;
1358         u8 lut;
1359
1360         struct iwl_bt_coex_cmd_old *bt_cmd;
1361         struct iwl_host_cmd cmd = {
1362                 .id = BT_CONFIG,
1363                 .len = { sizeof(*bt_cmd), },
1364                 .dataflags = { IWL_HCMD_DFL_NOCOPY, },
1365         };
1366
1367         if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT))
1368                 return iwl_mvm_rx_ant_coupling_notif_old(mvm, rxb, dev_cmd);
1369
1370         /* TODO */
1371         return 0;
1372
1373         if (!IWL_MVM_BT_COEX_CORUNNING)
1374                 return 0;
1375
1376         lockdep_assert_held(&mvm->mutex);
1377
1378         /* Ignore updates if we are in force mode */
1379         if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS))
1380                 return 0;
1381
1382         if (ant_isolation ==  mvm->last_ant_isol)
1383                 return 0;
1384
1385         for (lut = 0; lut < ARRAY_SIZE(antenna_coupling_ranges) - 1; lut++)
1386                 if (ant_isolation < antenna_coupling_ranges[lut + 1].range)
1387                         break;
1388
1389         lower_bound = antenna_coupling_ranges[lut].range;
1390
1391         if (lut < ARRAY_SIZE(antenna_coupling_ranges) - 1)
1392                 upper_bound = antenna_coupling_ranges[lut + 1].range;
1393         else
1394                 upper_bound = antenna_coupling_ranges[lut].range;
1395
1396         IWL_DEBUG_COEX(mvm, "Antenna isolation=%d in range [%d,%d[, lut=%d\n",
1397                        ant_isolation, lower_bound, upper_bound, lut);
1398
1399         mvm->last_ant_isol = ant_isolation;
1400
1401         if (mvm->last_corun_lut == lut)
1402                 return 0;
1403
1404         mvm->last_corun_lut = lut;
1405
1406         bt_cmd = kzalloc(sizeof(*bt_cmd), GFP_KERNEL);
1407         if (!bt_cmd)
1408                 return 0;
1409         cmd.data[0] = bt_cmd;
1410
1411         bt_cmd->flags = cpu_to_le32(BT_COEX_NW_OLD);
1412         bt_cmd->valid_bit_msk |= cpu_to_le32(BT_VALID_ENABLE |
1413                                              BT_VALID_CORUN_LUT_20 |
1414                                              BT_VALID_CORUN_LUT_40);
1415
1416         /* For the moment, use the same LUT for 20GHz and 40GHz */
1417         memcpy(bt_cmd->bt4_corun_lut20, antenna_coupling_ranges[lut].lut20,
1418                sizeof(bt_cmd->bt4_corun_lut20));
1419
1420         memcpy(bt_cmd->bt4_corun_lut40, antenna_coupling_ranges[lut].lut20,
1421                sizeof(bt_cmd->bt4_corun_lut40));
1422
1423         ret = iwl_mvm_send_cmd(mvm, &cmd);
1424
1425         kfree(bt_cmd);
1426         return ret;
1427 }