1/****************************************************************************** 2 * 3 * This file is provided under a dual BSD/GPLv2 license. When using or 4 * redistributing this file, you may do so under either license. 5 * 6 * GPL LICENSE SUMMARY 7 * 8 * Copyright(c) 2013 - 2014 Intel Corporation. All rights reserved. 9 * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH 10 * 11 * This program is free software; you can redistribute it and/or modify 12 * it under the terms of version 2 of the GNU General Public License as 13 * published by the Free Software Foundation. 14 * 15 * This program is distributed in the hope that it will be useful, but 16 * WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 18 * General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public License 21 * along with this program; if not, write to the Free Software 22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, 23 * USA 24 * 25 * The full GNU General Public License is included in this distribution 26 * in the file called COPYING. 27 * 28 * Contact Information: 29 * Intel Linux Wireless <ilw@linux.intel.com> 30 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 31 * 32 * BSD LICENSE 33 * 34 * Copyright(c) 2013 - 2014 Intel Corporation. All rights reserved. 35 * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH 36 * All rights reserved. 37 * 38 * Redistribution and use in source and binary forms, with or without 39 * modification, are permitted provided that the following conditions 40 * are met: 41 * 42 * * Redistributions of source code must retain the above copyright 43 * notice, this list of conditions and the following disclaimer. 44 * * Redistributions in binary form must reproduce the above copyright 45 * notice, this list of conditions and the following disclaimer in 46 * the documentation and/or other materials provided with the 47 * distribution. 48 * * Neither the name Intel Corporation nor the names of its 49 * contributors may be used to endorse or promote products derived 50 * from this software without specific prior written permission. 51 * 52 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 53 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 54 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 55 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 56 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 57 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 58 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 59 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 60 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 61 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 62 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 63 * 64 *****************************************************************************/ 65 66#include <linux/ieee80211.h> 67#include <linux/etherdevice.h> 68#include <net/mac80211.h> 69 70#include "fw-api-coex.h" 71#include "iwl-modparams.h" 72#include "mvm.h" 73#include "iwl-debug.h" 74 75/* 20MHz / 40MHz below / 40Mhz above*/ 76static const __le64 iwl_ci_mask[][3] = { 77 /* dummy entry for channel 0 */ 78 {cpu_to_le64(0), cpu_to_le64(0), cpu_to_le64(0)}, 79 { 80 cpu_to_le64(0x0000001FFFULL), 81 cpu_to_le64(0x0ULL), 82 cpu_to_le64(0x00007FFFFFULL), 83 }, 84 { 85 cpu_to_le64(0x000000FFFFULL), 86 cpu_to_le64(0x0ULL), 87 cpu_to_le64(0x0003FFFFFFULL), 88 }, 89 { 90 cpu_to_le64(0x000003FFFCULL), 91 cpu_to_le64(0x0ULL), 92 cpu_to_le64(0x000FFFFFFCULL), 93 }, 94 { 95 cpu_to_le64(0x00001FFFE0ULL), 96 cpu_to_le64(0x0ULL), 97 cpu_to_le64(0x007FFFFFE0ULL), 98 }, 99 { 100 cpu_to_le64(0x00007FFF80ULL), 101 cpu_to_le64(0x00007FFFFFULL), 102 cpu_to_le64(0x01FFFFFF80ULL), 103 }, 104 { 105 cpu_to_le64(0x0003FFFC00ULL), 106 cpu_to_le64(0x0003FFFFFFULL), 107 cpu_to_le64(0x0FFFFFFC00ULL), 108 }, 109 { 110 cpu_to_le64(0x000FFFF000ULL), 111 cpu_to_le64(0x000FFFFFFCULL), 112 cpu_to_le64(0x3FFFFFF000ULL), 113 }, 114 { 115 cpu_to_le64(0x007FFF8000ULL), 116 cpu_to_le64(0x007FFFFFE0ULL), 117 cpu_to_le64(0xFFFFFF8000ULL), 118 }, 119 { 120 cpu_to_le64(0x01FFFE0000ULL), 121 cpu_to_le64(0x01FFFFFF80ULL), 122 cpu_to_le64(0xFFFFFE0000ULL), 123 }, 124 { 125 cpu_to_le64(0x0FFFF00000ULL), 126 cpu_to_le64(0x0FFFFFFC00ULL), 127 cpu_to_le64(0x0ULL), 128 }, 129 { 130 cpu_to_le64(0x3FFFC00000ULL), 131 cpu_to_le64(0x3FFFFFF000ULL), 132 cpu_to_le64(0x0) 133 }, 134 { 135 cpu_to_le64(0xFFFE000000ULL), 136 cpu_to_le64(0xFFFFFF8000ULL), 137 cpu_to_le64(0x0) 138 }, 139 { 140 cpu_to_le64(0xFFF8000000ULL), 141 cpu_to_le64(0xFFFFFE0000ULL), 142 cpu_to_le64(0x0) 143 }, 144 { 145 cpu_to_le64(0xFFC0000000ULL), 146 cpu_to_le64(0x0ULL), 147 cpu_to_le64(0x0ULL) 148 }, 149}; 150 151struct corunning_block_luts { 152 u8 range; 153 __le32 lut20[BT_COEX_CORUN_LUT_SIZE]; 154}; 155 156/* 157 * Ranges for the antenna coupling calibration / co-running block LUT: 158 * LUT0: [ 0, 12[ 159 * LUT1: [12, 20[ 160 * LUT2: [20, 21[ 161 * LUT3: [21, 23[ 162 * LUT4: [23, 27[ 163 * LUT5: [27, 30[ 164 * LUT6: [30, 32[ 165 * LUT7: [32, 33[ 166 * LUT8: [33, - [ 167 */ 168static const struct corunning_block_luts antenna_coupling_ranges[] = { 169 { 170 .range = 0, 171 .lut20 = { 172 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 173 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 174 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 175 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 176 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 177 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 178 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 179 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 180 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 181 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 182 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 183 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 184 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 185 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 186 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 187 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 188 }, 189 }, 190 { 191 .range = 12, 192 .lut20 = { 193 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 194 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 195 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 196 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 197 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 198 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 199 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 200 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 201 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 202 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 203 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 204 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 205 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 206 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 207 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 208 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 209 }, 210 }, 211 { 212 .range = 20, 213 .lut20 = { 214 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 215 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 216 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 217 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 218 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 219 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 220 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 221 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 222 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 223 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 224 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 225 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 226 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 227 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 228 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 229 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 230 }, 231 }, 232 { 233 .range = 21, 234 .lut20 = { 235 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 236 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 237 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 238 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 239 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 240 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 241 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 242 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 243 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 244 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 245 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 246 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 247 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 248 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 249 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 250 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 251 }, 252 }, 253 { 254 .range = 23, 255 .lut20 = { 256 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 257 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 258 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 259 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 260 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 261 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 262 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 263 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 264 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 265 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 266 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 267 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 268 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 269 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 270 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 271 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 272 }, 273 }, 274 { 275 .range = 27, 276 .lut20 = { 277 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 278 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 279 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 280 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 281 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 282 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 283 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 284 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 285 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 286 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 287 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 288 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 289 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 290 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 291 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 292 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 293 }, 294 }, 295 { 296 .range = 30, 297 .lut20 = { 298 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 299 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 300 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 301 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 302 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 303 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 304 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 305 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 306 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 307 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 308 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 309 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 310 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 311 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 312 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 313 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 314 }, 315 }, 316 { 317 .range = 32, 318 .lut20 = { 319 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 320 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 321 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 322 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 323 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 324 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 325 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 326 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 327 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 328 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 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 }, 336 }, 337 { 338 .range = 33, 339 .lut20 = { 340 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 341 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 342 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 343 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 344 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 345 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 346 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 347 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 348 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 349 cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), 350 cpu_to_le32(0x00000000), 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 }, 357 }, 358}; 359 360static enum iwl_bt_coex_lut_type 361iwl_get_coex_type(struct iwl_mvm *mvm, const struct ieee80211_vif *vif) 362{ 363 struct ieee80211_chanctx_conf *chanctx_conf; 364 enum iwl_bt_coex_lut_type ret; 365 u16 phy_ctx_id; 366 u32 primary_ch_phy_id, secondary_ch_phy_id; 367 368 /* 369 * Checking that we hold mvm->mutex is a good idea, but the rate 370 * control can't acquire the mutex since it runs in Tx path. 371 * So this is racy in that case, but in the worst case, the AMPDU 372 * size limit will be wrong for a short time which is not a big 373 * issue. 374 */ 375 376 rcu_read_lock(); 377 378 chanctx_conf = rcu_dereference(vif->chanctx_conf); 379 380 if (!chanctx_conf || 381 chanctx_conf->def.chan->band != IEEE80211_BAND_2GHZ) { 382 rcu_read_unlock(); 383 return BT_COEX_INVALID_LUT; 384 } 385 386 ret = BT_COEX_TX_DIS_LUT; 387 388 if (mvm->cfg->bt_shared_single_ant) { 389 rcu_read_unlock(); 390 return ret; 391 } 392 393 phy_ctx_id = *((u16 *)chanctx_conf->drv_priv); 394 primary_ch_phy_id = le32_to_cpu(mvm->last_bt_ci_cmd.primary_ch_phy_id); 395 secondary_ch_phy_id = 396 le32_to_cpu(mvm->last_bt_ci_cmd.secondary_ch_phy_id); 397 398 if (primary_ch_phy_id == phy_ctx_id) 399 ret = le32_to_cpu(mvm->last_bt_notif.primary_ch_lut); 400 else if (secondary_ch_phy_id == phy_ctx_id) 401 ret = le32_to_cpu(mvm->last_bt_notif.secondary_ch_lut); 402 /* else - default = TX TX disallowed */ 403 404 rcu_read_unlock(); 405 406 return ret; 407} 408 409int iwl_send_bt_init_conf(struct iwl_mvm *mvm) 410{ 411 struct iwl_bt_coex_cmd *bt_cmd; 412 struct iwl_host_cmd cmd = { 413 .id = BT_CONFIG, 414 .len = { sizeof(*bt_cmd), }, 415 .dataflags = { IWL_HCMD_DFL_NOCOPY, }, 416 }; 417 int ret; 418 u32 mode; 419 420 if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT)) 421 return iwl_send_bt_init_conf_old(mvm); 422 423 bt_cmd = kzalloc(sizeof(*bt_cmd), GFP_KERNEL); 424 if (!bt_cmd) 425 return -ENOMEM; 426 cmd.data[0] = bt_cmd; 427 428 lockdep_assert_held(&mvm->mutex); 429 430 if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS)) { 431 switch (mvm->bt_force_ant_mode) { 432 case BT_FORCE_ANT_BT: 433 mode = BT_COEX_BT; 434 break; 435 case BT_FORCE_ANT_WIFI: 436 mode = BT_COEX_WIFI; 437 break; 438 default: 439 WARN_ON(1); 440 mode = 0; 441 } 442 443 bt_cmd->mode = cpu_to_le32(mode); 444 goto send_cmd; 445 } 446 447 mode = iwlwifi_mod_params.bt_coex_active ? BT_COEX_NW : BT_COEX_DISABLE; 448 bt_cmd->mode = cpu_to_le32(mode); 449 450 if (IWL_MVM_BT_COEX_SYNC2SCO) 451 bt_cmd->enabled_modules |= 452 cpu_to_le32(BT_COEX_SYNC2SCO_ENABLED); 453 454 if (iwl_mvm_bt_is_plcr_supported(mvm)) 455 bt_cmd->enabled_modules |= cpu_to_le32(BT_COEX_CORUN_ENABLED); 456 457 if (IWL_MVM_BT_COEX_MPLUT) { 458 bt_cmd->enabled_modules |= cpu_to_le32(BT_COEX_MPLUT_ENABLED); 459 bt_cmd->enabled_modules |= 460 cpu_to_le32(BT_COEX_MPLUT_BOOST_ENABLED); 461 } 462 463 bt_cmd->enabled_modules |= cpu_to_le32(BT_COEX_HIGH_BAND_RET); 464 465send_cmd: 466 memset(&mvm->last_bt_notif, 0, sizeof(mvm->last_bt_notif)); 467 memset(&mvm->last_bt_ci_cmd, 0, sizeof(mvm->last_bt_ci_cmd)); 468 469 ret = iwl_mvm_send_cmd(mvm, &cmd); 470 471 kfree(bt_cmd); 472 return ret; 473} 474 475static int iwl_mvm_bt_coex_reduced_txp(struct iwl_mvm *mvm, u8 sta_id, 476 bool enable) 477{ 478 struct iwl_bt_coex_reduced_txp_update_cmd cmd = {}; 479 struct iwl_mvm_sta *mvmsta; 480 u32 value; 481 int ret; 482 483 mvmsta = iwl_mvm_sta_from_staid_protected(mvm, sta_id); 484 if (!mvmsta) 485 return 0; 486 487 /* nothing to do */ 488 if (mvmsta->bt_reduced_txpower == enable) 489 return 0; 490 491 value = mvmsta->sta_id; 492 493 if (enable) 494 value |= BT_REDUCED_TX_POWER_BIT; 495 496 IWL_DEBUG_COEX(mvm, "%sable reduced Tx Power for sta %d\n", 497 enable ? "en" : "dis", sta_id); 498 499 cmd.reduced_txp = cpu_to_le32(value); 500 mvmsta->bt_reduced_txpower = enable; 501 502 ret = iwl_mvm_send_cmd_pdu(mvm, BT_COEX_UPDATE_REDUCED_TXP, CMD_ASYNC, 503 sizeof(cmd), &cmd); 504 505 return ret; 506} 507 508struct iwl_bt_iterator_data { 509 struct iwl_bt_coex_profile_notif *notif; 510 struct iwl_mvm *mvm; 511 struct ieee80211_chanctx_conf *primary; 512 struct ieee80211_chanctx_conf *secondary; 513 bool primary_ll; 514}; 515 516static inline 517void iwl_mvm_bt_coex_enable_rssi_event(struct iwl_mvm *mvm, 518 struct ieee80211_vif *vif, 519 bool enable, int rssi) 520{ 521 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 522 523 mvmvif->bf_data.last_bt_coex_event = rssi; 524 mvmvif->bf_data.bt_coex_max_thold = 525 enable ? -IWL_MVM_BT_COEX_EN_RED_TXP_THRESH : 0; 526 mvmvif->bf_data.bt_coex_min_thold = 527 enable ? -IWL_MVM_BT_COEX_DIS_RED_TXP_THRESH : 0; 528} 529 530/* must be called under rcu_read_lock */ 531static void iwl_mvm_bt_notif_iterator(void *_data, u8 *mac, 532 struct ieee80211_vif *vif) 533{ 534 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 535 struct iwl_bt_iterator_data *data = _data; 536 struct iwl_mvm *mvm = data->mvm; 537 struct ieee80211_chanctx_conf *chanctx_conf; 538 /* default smps_mode is AUTOMATIC - only used for client modes */ 539 enum ieee80211_smps_mode smps_mode = IEEE80211_SMPS_AUTOMATIC; 540 u32 bt_activity_grading; 541 int ave_rssi; 542 543 lockdep_assert_held(&mvm->mutex); 544 545 switch (vif->type) { 546 case NL80211_IFTYPE_STATION: 547 break; 548 case NL80211_IFTYPE_AP: 549 if (!mvmvif->ap_ibss_active) 550 return; 551 break; 552 default: 553 return; 554 } 555 556 chanctx_conf = rcu_dereference(vif->chanctx_conf); 557 558 /* If channel context is invalid or not on 2.4GHz .. */ 559 if ((!chanctx_conf || 560 chanctx_conf->def.chan->band != IEEE80211_BAND_2GHZ)) { 561 if (vif->type == NL80211_IFTYPE_STATION) { 562 /* ... relax constraints and disable rssi events */ 563 iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_BT_COEX, 564 smps_mode); 565 iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, 566 false); 567 iwl_mvm_bt_coex_enable_rssi_event(mvm, vif, false, 0); 568 } 569 return; 570 } 571 572 bt_activity_grading = le32_to_cpu(data->notif->bt_activity_grading); 573 if (bt_activity_grading >= BT_HIGH_TRAFFIC) 574 smps_mode = IEEE80211_SMPS_STATIC; 575 else if (bt_activity_grading >= BT_LOW_TRAFFIC) 576 smps_mode = IEEE80211_SMPS_DYNAMIC; 577 578 /* relax SMPS constraints for next association */ 579 if (!vif->bss_conf.assoc) 580 smps_mode = IEEE80211_SMPS_AUTOMATIC; 581 582 if (mvmvif->phy_ctxt && 583 IWL_COEX_IS_RRC_ON(mvm->last_bt_notif.ttc_rrc_status, 584 mvmvif->phy_ctxt->id)) 585 smps_mode = IEEE80211_SMPS_AUTOMATIC; 586 587 IWL_DEBUG_COEX(data->mvm, 588 "mac %d: bt_activity_grading %d smps_req %d\n", 589 mvmvif->id, bt_activity_grading, smps_mode); 590 591 if (vif->type == NL80211_IFTYPE_STATION) 592 iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_BT_COEX, 593 smps_mode); 594 595 /* low latency is always primary */ 596 if (iwl_mvm_vif_low_latency(mvmvif)) { 597 data->primary_ll = true; 598 599 data->secondary = data->primary; 600 data->primary = chanctx_conf; 601 } 602 603 if (vif->type == NL80211_IFTYPE_AP) { 604 if (!mvmvif->ap_ibss_active) 605 return; 606 607 if (chanctx_conf == data->primary) 608 return; 609 610 if (!data->primary_ll) { 611 /* 612 * downgrade the current primary no matter what its 613 * type is. 614 */ 615 data->secondary = data->primary; 616 data->primary = chanctx_conf; 617 } else { 618 /* there is low latency vif - we will be secondary */ 619 data->secondary = chanctx_conf; 620 } 621 return; 622 } 623 624 /* 625 * STA / P2P Client, try to be primary if first vif. If we are in low 626 * latency mode, we are already in primary and just don't do much 627 */ 628 if (!data->primary || data->primary == chanctx_conf) 629 data->primary = chanctx_conf; 630 else if (!data->secondary) 631 /* if secondary is not NULL, it might be a GO */ 632 data->secondary = chanctx_conf; 633 634 /* 635 * don't reduce the Tx power if one of these is true: 636 * we are in LOOSE 637 * single share antenna product 638 * BT is active 639 * we are associated 640 */ 641 if (iwl_get_coex_type(mvm, vif) == BT_COEX_LOOSE_LUT || 642 mvm->cfg->bt_shared_single_ant || !vif->bss_conf.assoc || 643 le32_to_cpu(mvm->last_bt_notif.bt_activity_grading) == BT_OFF) { 644 iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, false); 645 iwl_mvm_bt_coex_enable_rssi_event(mvm, vif, false, 0); 646 return; 647 } 648 649 /* try to get the avg rssi from fw */ 650 ave_rssi = mvmvif->bf_data.ave_beacon_signal; 651 652 /* if the RSSI isn't valid, fake it is very low */ 653 if (!ave_rssi) 654 ave_rssi = -100; 655 if (ave_rssi > -IWL_MVM_BT_COEX_EN_RED_TXP_THRESH) { 656 if (iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, true)) 657 IWL_ERR(mvm, "Couldn't send BT_CONFIG cmd\n"); 658 } else if (ave_rssi < -IWL_MVM_BT_COEX_DIS_RED_TXP_THRESH) { 659 if (iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, false)) 660 IWL_ERR(mvm, "Couldn't send BT_CONFIG cmd\n"); 661 } 662 663 /* Begin to monitor the RSSI: it may influence the reduced Tx power */ 664 iwl_mvm_bt_coex_enable_rssi_event(mvm, vif, true, ave_rssi); 665} 666 667static void iwl_mvm_bt_coex_notif_handle(struct iwl_mvm *mvm) 668{ 669 struct iwl_bt_iterator_data data = { 670 .mvm = mvm, 671 .notif = &mvm->last_bt_notif, 672 }; 673 struct iwl_bt_coex_ci_cmd cmd = {}; 674 u8 ci_bw_idx; 675 676 /* Ignore updates if we are in force mode */ 677 if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS)) 678 return; 679 680 rcu_read_lock(); 681 ieee80211_iterate_active_interfaces_atomic( 682 mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 683 iwl_mvm_bt_notif_iterator, &data); 684 685 if (data.primary) { 686 struct ieee80211_chanctx_conf *chan = data.primary; 687 if (WARN_ON(!chan->def.chan)) { 688 rcu_read_unlock(); 689 return; 690 } 691 692 if (chan->def.width < NL80211_CHAN_WIDTH_40) { 693 ci_bw_idx = 0; 694 } else { 695 if (chan->def.center_freq1 > 696 chan->def.chan->center_freq) 697 ci_bw_idx = 2; 698 else 699 ci_bw_idx = 1; 700 } 701 702 cmd.bt_primary_ci = 703 iwl_ci_mask[chan->def.chan->hw_value][ci_bw_idx]; 704 cmd.primary_ch_phy_id = 705 cpu_to_le32(*((u16 *)data.primary->drv_priv)); 706 } 707 708 if (data.secondary) { 709 struct ieee80211_chanctx_conf *chan = data.secondary; 710 if (WARN_ON(!data.secondary->def.chan)) { 711 rcu_read_unlock(); 712 return; 713 } 714 715 if (chan->def.width < NL80211_CHAN_WIDTH_40) { 716 ci_bw_idx = 0; 717 } else { 718 if (chan->def.center_freq1 > 719 chan->def.chan->center_freq) 720 ci_bw_idx = 2; 721 else 722 ci_bw_idx = 1; 723 } 724 725 cmd.bt_secondary_ci = 726 iwl_ci_mask[chan->def.chan->hw_value][ci_bw_idx]; 727 cmd.secondary_ch_phy_id = 728 cpu_to_le32(*((u16 *)data.secondary->drv_priv)); 729 } 730 731 rcu_read_unlock(); 732 733 /* Don't spam the fw with the same command over and over */ 734 if (memcmp(&cmd, &mvm->last_bt_ci_cmd, sizeof(cmd))) { 735 if (iwl_mvm_send_cmd_pdu(mvm, BT_COEX_CI, 0, 736 sizeof(cmd), &cmd)) 737 IWL_ERR(mvm, "Failed to send BT_CI cmd\n"); 738 memcpy(&mvm->last_bt_ci_cmd, &cmd, sizeof(cmd)); 739 } 740} 741 742int iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm, 743 struct iwl_rx_cmd_buffer *rxb, 744 struct iwl_device_cmd *dev_cmd) 745{ 746 struct iwl_rx_packet *pkt = rxb_addr(rxb); 747 struct iwl_bt_coex_profile_notif *notif = (void *)pkt->data; 748 749 if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT)) 750 return iwl_mvm_rx_bt_coex_notif_old(mvm, rxb, dev_cmd); 751 752 IWL_DEBUG_COEX(mvm, "BT Coex Notification received\n"); 753 IWL_DEBUG_COEX(mvm, "\tBT ci compliance %d\n", notif->bt_ci_compliance); 754 IWL_DEBUG_COEX(mvm, "\tBT primary_ch_lut %d\n", 755 le32_to_cpu(notif->primary_ch_lut)); 756 IWL_DEBUG_COEX(mvm, "\tBT secondary_ch_lut %d\n", 757 le32_to_cpu(notif->secondary_ch_lut)); 758 IWL_DEBUG_COEX(mvm, "\tBT activity grading %d\n", 759 le32_to_cpu(notif->bt_activity_grading)); 760 761 /* remember this notification for future use: rssi fluctuations */ 762 memcpy(&mvm->last_bt_notif, notif, sizeof(mvm->last_bt_notif)); 763 764 iwl_mvm_bt_coex_notif_handle(mvm); 765 766 /* 767 * This is an async handler for a notification, returning anything other 768 * than 0 doesn't make sense even if HCMD failed. 769 */ 770 return 0; 771} 772 773static void iwl_mvm_bt_rssi_iterator(void *_data, u8 *mac, 774 struct ieee80211_vif *vif) 775{ 776 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 777 struct iwl_bt_iterator_data *data = _data; 778 struct iwl_mvm *mvm = data->mvm; 779 780 struct ieee80211_sta *sta; 781 struct iwl_mvm_sta *mvmsta; 782 783 struct ieee80211_chanctx_conf *chanctx_conf; 784 785 rcu_read_lock(); 786 chanctx_conf = rcu_dereference(vif->chanctx_conf); 787 /* If channel context is invalid or not on 2.4GHz - don't count it */ 788 if (!chanctx_conf || 789 chanctx_conf->def.chan->band != IEEE80211_BAND_2GHZ) { 790 rcu_read_unlock(); 791 return; 792 } 793 rcu_read_unlock(); 794 795 if (vif->type != NL80211_IFTYPE_STATION || 796 mvmvif->ap_sta_id == IWL_MVM_STATION_COUNT) 797 return; 798 799 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[mvmvif->ap_sta_id], 800 lockdep_is_held(&mvm->mutex)); 801 802 /* This can happen if the station has been removed right now */ 803 if (IS_ERR_OR_NULL(sta)) 804 return; 805 806 mvmsta = iwl_mvm_sta_from_mac80211(sta); 807} 808 809void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 810 enum ieee80211_rssi_event_data rssi_event) 811{ 812 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 813 struct iwl_bt_iterator_data data = { 814 .mvm = mvm, 815 }; 816 int ret; 817 818 if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT)) { 819 iwl_mvm_bt_rssi_event_old(mvm, vif, rssi_event); 820 return; 821 } 822 823 lockdep_assert_held(&mvm->mutex); 824 825 /* Ignore updates if we are in force mode */ 826 if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS)) 827 return; 828 829 /* 830 * Rssi update while not associated - can happen since the statistics 831 * are handled asynchronously 832 */ 833 if (mvmvif->ap_sta_id == IWL_MVM_STATION_COUNT) 834 return; 835 836 /* No BT - reports should be disabled */ 837 if (le32_to_cpu(mvm->last_bt_notif.bt_activity_grading) == BT_OFF) 838 return; 839 840 IWL_DEBUG_COEX(mvm, "RSSI for %pM is now %s\n", vif->bss_conf.bssid, 841 rssi_event == RSSI_EVENT_HIGH ? "HIGH" : "LOW"); 842 843 /* 844 * Check if rssi is good enough for reduced Tx power, but not in loose 845 * scheme. 846 */ 847 if (rssi_event == RSSI_EVENT_LOW || mvm->cfg->bt_shared_single_ant || 848 iwl_get_coex_type(mvm, vif) == BT_COEX_LOOSE_LUT) 849 ret = iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, 850 false); 851 else 852 ret = iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, true); 853 854 if (ret) 855 IWL_ERR(mvm, "couldn't send BT_CONFIG HCMD upon RSSI event\n"); 856 857 ieee80211_iterate_active_interfaces_atomic( 858 mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 859 iwl_mvm_bt_rssi_iterator, &data); 860} 861 862#define LINK_QUAL_AGG_TIME_LIMIT_DEF (4000) 863#define LINK_QUAL_AGG_TIME_LIMIT_BT_ACT (1200) 864 865u16 iwl_mvm_coex_agg_time_limit(struct iwl_mvm *mvm, 866 struct ieee80211_sta *sta) 867{ 868 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 869 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(mvmsta->vif); 870 struct iwl_mvm_phy_ctxt *phy_ctxt = mvmvif->phy_ctxt; 871 enum iwl_bt_coex_lut_type lut_type; 872 873 if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT)) 874 return iwl_mvm_coex_agg_time_limit_old(mvm, sta); 875 876 if (IWL_COEX_IS_TTC_ON(mvm->last_bt_notif.ttc_rrc_status, phy_ctxt->id)) 877 return LINK_QUAL_AGG_TIME_LIMIT_DEF; 878 879 if (le32_to_cpu(mvm->last_bt_notif.bt_activity_grading) < 880 BT_HIGH_TRAFFIC) 881 return LINK_QUAL_AGG_TIME_LIMIT_DEF; 882 883 lut_type = iwl_get_coex_type(mvm, mvmsta->vif); 884 885 if (lut_type == BT_COEX_LOOSE_LUT || lut_type == BT_COEX_INVALID_LUT) 886 return LINK_QUAL_AGG_TIME_LIMIT_DEF; 887 888 /* tight coex, high bt traffic, reduce AGG time limit */ 889 return LINK_QUAL_AGG_TIME_LIMIT_BT_ACT; 890} 891 892bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm, 893 struct ieee80211_sta *sta) 894{ 895 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 896 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(mvmsta->vif); 897 struct iwl_mvm_phy_ctxt *phy_ctxt = mvmvif->phy_ctxt; 898 enum iwl_bt_coex_lut_type lut_type; 899 900 if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT)) 901 return iwl_mvm_bt_coex_is_mimo_allowed_old(mvm, sta); 902 903 if (IWL_COEX_IS_TTC_ON(mvm->last_bt_notif.ttc_rrc_status, phy_ctxt->id)) 904 return true; 905 906 if (le32_to_cpu(mvm->last_bt_notif.bt_activity_grading) < 907 BT_HIGH_TRAFFIC) 908 return true; 909 910 /* 911 * In Tight / TxTxDis, BT can't Rx while we Tx, so use both antennas 912 * since BT is already killed. 913 * In Loose, BT can Rx while we Tx, so forbid MIMO to let BT Rx while 914 * we Tx. 915 * When we are in 5GHz, we'll get BT_COEX_INVALID_LUT allowing MIMO. 916 */ 917 lut_type = iwl_get_coex_type(mvm, mvmsta->vif); 918 return lut_type != BT_COEX_LOOSE_LUT; 919} 920 921bool iwl_mvm_bt_coex_is_ant_avail(struct iwl_mvm *mvm, u8 ant) 922{ 923 /* there is no other antenna, shared antenna is always available */ 924 if (mvm->cfg->bt_shared_single_ant) 925 return true; 926 927 if (ant & mvm->cfg->non_shared_ant) 928 return true; 929 930 if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT)) 931 return iwl_mvm_bt_coex_is_shared_ant_avail_old(mvm); 932 933 return le32_to_cpu(mvm->last_bt_notif.bt_activity_grading) < 934 BT_HIGH_TRAFFIC; 935} 936 937bool iwl_mvm_bt_coex_is_shared_ant_avail(struct iwl_mvm *mvm) 938{ 939 /* there is no other antenna, shared antenna is always available */ 940 if (mvm->cfg->bt_shared_single_ant) 941 return true; 942 943 if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT)) 944 return iwl_mvm_bt_coex_is_shared_ant_avail_old(mvm); 945 946 return le32_to_cpu(mvm->last_bt_notif.bt_activity_grading) == BT_OFF; 947} 948 949bool iwl_mvm_bt_coex_is_tpc_allowed(struct iwl_mvm *mvm, 950 enum ieee80211_band band) 951{ 952 u32 bt_activity = le32_to_cpu(mvm->last_bt_notif.bt_activity_grading); 953 954 if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT)) 955 return iwl_mvm_bt_coex_is_tpc_allowed_old(mvm, band); 956 957 if (band != IEEE80211_BAND_2GHZ) 958 return false; 959 960 return bt_activity >= BT_LOW_TRAFFIC; 961} 962 963u8 iwl_mvm_bt_coex_tx_prio(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr, 964 struct ieee80211_tx_info *info, u8 ac) 965{ 966 __le16 fc = hdr->frame_control; 967 968 if (info->band != IEEE80211_BAND_2GHZ) 969 return 0; 970 971 if (unlikely(mvm->bt_tx_prio)) 972 return mvm->bt_tx_prio - 1; 973 974 /* High prio packet (wrt. BT coex) if it is EAPOL, MCAST or MGMT */ 975 if (info->control.flags & IEEE80211_TX_CTRL_PORT_CTRL_PROTO || 976 is_multicast_ether_addr(hdr->addr1) || 977 ieee80211_is_ctl(fc) || ieee80211_is_mgmt(fc) || 978 ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc)) 979 return 3; 980 981 switch (ac) { 982 case IEEE80211_AC_BE: 983 return 1; 984 case IEEE80211_AC_VO: 985 return 3; 986 case IEEE80211_AC_VI: 987 return 2; 988 default: 989 break; 990 } 991 992 return 0; 993} 994 995void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm) 996{ 997 if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT)) { 998 iwl_mvm_bt_coex_vif_change_old(mvm); 999 return; 1000 } 1001 1002 iwl_mvm_bt_coex_notif_handle(mvm); 1003} 1004 1005int iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm, 1006 struct iwl_rx_cmd_buffer *rxb, 1007 struct iwl_device_cmd *dev_cmd) 1008{ 1009 struct iwl_rx_packet *pkt = rxb_addr(rxb); 1010 u32 ant_isolation = le32_to_cpup((void *)pkt->data); 1011 struct iwl_bt_coex_corun_lut_update_cmd cmd = {}; 1012 u8 __maybe_unused lower_bound, upper_bound; 1013 u8 lut; 1014 1015 if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT)) 1016 return iwl_mvm_rx_ant_coupling_notif_old(mvm, rxb, dev_cmd); 1017 1018 if (!iwl_mvm_bt_is_plcr_supported(mvm)) 1019 return 0; 1020 1021 lockdep_assert_held(&mvm->mutex); 1022 1023 /* Ignore updates if we are in force mode */ 1024 if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS)) 1025 return 0; 1026 1027 if (ant_isolation == mvm->last_ant_isol) 1028 return 0; 1029 1030 for (lut = 0; lut < ARRAY_SIZE(antenna_coupling_ranges) - 1; lut++) 1031 if (ant_isolation < antenna_coupling_ranges[lut + 1].range) 1032 break; 1033 1034 lower_bound = antenna_coupling_ranges[lut].range; 1035 1036 if (lut < ARRAY_SIZE(antenna_coupling_ranges) - 1) 1037 upper_bound = antenna_coupling_ranges[lut + 1].range; 1038 else 1039 upper_bound = antenna_coupling_ranges[lut].range; 1040 1041 IWL_DEBUG_COEX(mvm, "Antenna isolation=%d in range [%d,%d[, lut=%d\n", 1042 ant_isolation, lower_bound, upper_bound, lut); 1043 1044 mvm->last_ant_isol = ant_isolation; 1045 1046 if (mvm->last_corun_lut == lut) 1047 return 0; 1048 1049 mvm->last_corun_lut = lut; 1050 1051 /* For the moment, use the same LUT for 20GHz and 40GHz */ 1052 memcpy(&cmd.corun_lut20, antenna_coupling_ranges[lut].lut20, 1053 sizeof(cmd.corun_lut20)); 1054 1055 memcpy(&cmd.corun_lut40, antenna_coupling_ranges[lut].lut20, 1056 sizeof(cmd.corun_lut40)); 1057 1058 return iwl_mvm_send_cmd_pdu(mvm, BT_COEX_UPDATE_CORUN_LUT, 0, 1059 sizeof(cmd), &cmd); 1060} 1061