text: /******************************************************************************
   *
   * This file is provided under a dual BSD/GPLv2 license.  When using or
   * redistributing this file, you may do so under either license.
   *
   * GPL LICENSE SUMMARY
   *
   * Copyright(c) 2013 - 2014 Intel Corporation. All rights reserved.
   * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of version 2 of the GNU General Public License as
   * published by the Free Software Foundation.
   *
   * This program is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
   * USA
   *
   * The full GNU General Public License is included in this distribution
   * in the file called COPYING.
   *
   * Contact Information:
   *  Intel Linux Wireless <ilw@linux.intel.com>
   * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
   *
   * BSD LICENSE
   *
   * Copyright(c) 2013 - 2014 Intel Corporation. All rights reserved.
   * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   *  * Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   *  * Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *  * Neither the name Intel Corporation nor the names of its
   *    contributors may be used to endorse or promote products derived
   *    from this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
   * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
   * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   *
   *****************************************************************************/
  
  #include <linux/ieee80211.h>
  #include <linux/etherdevice.h>
  #include <net/mac80211.h>
  
  #include "fw-api-coex.h"
  #include "iwl-modparams.h"
  #include "mvm.h"
  #include "iwl-debug.h"
  
  const u32 iwl_bt_ctl_kill_msk[BT_KILL_MSK_MAX] = {
  	[BT_KILL_MSK_DEFAULT] = 0xfffffc00,
  	[BT_KILL_MSK_NEVER] = 0xffffffff,
  	[BT_KILL_MSK_ALWAYS] = 0,
  };
  
  const u8 iwl_bt_cts_kill_msk[BT_MAX_AG][BT_COEX_MAX_LUT] = {
  	{
  		BT_KILL_MSK_ALWAYS,
  		BT_KILL_MSK_ALWAYS,
  		BT_KILL_MSK_ALWAYS,
  	},
  	{
  		BT_KILL_MSK_NEVER,
  		BT_KILL_MSK_NEVER,
  		BT_KILL_MSK_NEVER,
  	},
  	{
  		BT_KILL_MSK_NEVER,
  		BT_KILL_MSK_NEVER,
  		BT_KILL_MSK_NEVER,
  	},
  	{
  		BT_KILL_MSK_DEFAULT,
  		BT_KILL_MSK_NEVER,
  		BT_KILL_MSK_DEFAULT,
  	},
  };
  
  const u8 iwl_bt_ack_kill_msk[BT_MAX_AG][BT_COEX_MAX_LUT] = {
  	{
  		BT_KILL_MSK_ALWAYS,
  		BT_KILL_MSK_ALWAYS,
  		BT_KILL_MSK_ALWAYS,
  	},
  	{
  		BT_KILL_MSK_ALWAYS,
  		BT_KILL_MSK_ALWAYS,
  		BT_KILL_MSK_ALWAYS,
  	},
  	{
  		BT_KILL_MSK_ALWAYS,
  		BT_KILL_MSK_ALWAYS,
  		BT_KILL_MSK_ALWAYS,
  	},
  	{
  		BT_KILL_MSK_DEFAULT,
  		BT_KILL_MSK_ALWAYS,
  		BT_KILL_MSK_DEFAULT,
  	},
  };
  
  static const __le32 iwl_bt_prio_boost[BT_COEX_BOOST_SIZE] = {
  	cpu_to_le32(0xf0f0f0f0), /* 50% */
  	cpu_to_le32(0xc0c0c0c0), /* 25% */
  	cpu_to_le32(0xfcfcfcfc), /* 75% */
  	cpu_to_le32(0xfefefefe), /* 87.5% */
  };
  
  static const __le32 iwl_single_shared_ant[BT_COEX_MAX_LUT][BT_COEX_LUT_SIZE] = {
  	{
  		cpu_to_le32(0x40000000),
  		cpu_to_le32(0x00000000),
  		cpu_to_le32(0x44000000),
  		cpu_to_le32(0x00000000),
  		cpu_to_le32(0x40000000),
  		cpu_to_le32(0x00000000),
  		cpu_to_le32(0x44000000),
  		cpu_to_le32(0x00000000),
  		cpu_to_le32(0xc0004000),
  		cpu_to_le32(0xf0005000),
  		cpu_to_le32(0xc0004000),
  		cpu_to_le32(0xf0005000),
  	},
  	{
  		cpu_to_le32(0x40000000),
  		cpu_to_le32(0x00000000),
  		cpu_to_le32(0x44000000),
  		cpu_to_le32(0x00000000),
  		cpu_to_le32(0x40000000),
  		cpu_to_le32(0x00000000),
  		cpu_to_le32(0x44000000),
  		cpu_to_le32(0x00000000),
  		cpu_to_le32(0xc0004000),
  		cpu_to_le32(0xf0005000),
  		cpu_to_le32(0xc0004000),
  		cpu_to_le32(0xf0005000),
  	},
  	{
  		cpu_to_le32(0x40000000),
  		cpu_to_le32(0x00000000),
  		cpu_to_le32(0x44000000),
  		cpu_to_le32(0x00000000),
  		cpu_to_le32(0x40000000),
  		cpu_to_le32(0x00000000),
  		cpu_to_le32(0x44000000),
  		cpu_to_le32(0x00000000),
  		cpu_to_le32(0xc0004000),
  		cpu_to_le32(0xf0005000),
  		cpu_to_le32(0xc0004000),
  		cpu_to_le32(0xf0005000),
  	},
  };
  
  static const __le32 iwl_combined_lookup[BT_COEX_MAX_LUT][BT_COEX_LUT_SIZE] = {
  	{
  		/* Tight */
  		cpu_to_le32(0xaaaaaaaa),
  		cpu_to_le32(0xaaaaaaaa),
  		cpu_to_le32(0xaeaaaaaa),
  		cpu_to_le32(0xaaaaaaaa),
  		cpu_to_le32(0xcc00ff28),
  		cpu_to_le32(0x0000aaaa),
  		cpu_to_le32(0xcc00aaaa),
  		cpu_to_le32(0x0000aaaa),
  		cpu_to_le32(0xc0004000),
  		cpu_to_le32(0x00004000),
  		cpu_to_le32(0xf0005000),
  		cpu_to_le32(0xf0005000),
  	},
  	{
  		/* Loose */
  		cpu_to_le32(0xaaaaaaaa),
  		cpu_to_le32(0xaaaaaaaa),
  		cpu_to_le32(0xaaaaaaaa),
  		cpu_to_le32(0xaaaaaaaa),
  		cpu_to_le32(0xcc00ff28),
  		cpu_to_le32(0x0000aaaa),
  		cpu_to_le32(0xcc00aaaa),
  		cpu_to_le32(0x0000aaaa),
  		cpu_to_le32(0x00000000),
  		cpu_to_le32(0x00000000),
  		cpu_to_le32(0xf0005000),
  		cpu_to_le32(0xf0005000),
  	},
  	{
  		/* Tx Tx disabled */
  		cpu_to_le32(0xaaaaaaaa),
  		cpu_to_le32(0xaaaaaaaa),
  		cpu_to_le32(0xeeaaaaaa),
  		cpu_to_le32(0xaaaaaaaa),
  		cpu_to_le32(0xcc00ff28),
  		cpu_to_le32(0x0000aaaa),
  		cpu_to_le32(0xcc00aaaa),
  		cpu_to_le32(0x0000aaaa),
  		cpu_to_le32(0xc0004000),
  		cpu_to_le32(0xc0004000),
  		cpu_to_le32(0xf0005000),
  		cpu_to_le32(0xf0005000),
  	},
  };
  
  /* 20MHz / 40MHz below / 40Mhz above*/
  static const __le64 iwl_ci_mask[][3] = {
  	/* dummy entry for channel 0 */
  	{cpu_to_le64(0), cpu_to_le64(0), cpu_to_le64(0)},
  	{
  		cpu_to_le64(0x0000001FFFULL),
  		cpu_to_le64(0x0ULL),
  		cpu_to_le64(0x00007FFFFFULL),
  	},
  	{
  		cpu_to_le64(0x000000FFFFULL),
  		cpu_to_le64(0x0ULL),
  		cpu_to_le64(0x0003FFFFFFULL),
  	},
  	{
  		cpu_to_le64(0x000003FFFCULL),
  		cpu_to_le64(0x0ULL),
  		cpu_to_le64(0x000FFFFFFCULL),
  	},
  	{
  		cpu_to_le64(0x00001FFFE0ULL),
  		cpu_to_le64(0x0ULL),
  		cpu_to_le64(0x007FFFFFE0ULL),
  	},
  	{
  		cpu_to_le64(0x00007FFF80ULL),
  		cpu_to_le64(0x00007FFFFFULL),
  		cpu_to_le64(0x01FFFFFF80ULL),
  	},
  	{
  		cpu_to_le64(0x0003FFFC00ULL),
  		cpu_to_le64(0x0003FFFFFFULL),
  		cpu_to_le64(0x0FFFFFFC00ULL),
  	},
  	{
  		cpu_to_le64(0x000FFFF000ULL),
  		cpu_to_le64(0x000FFFFFFCULL),
  		cpu_to_le64(0x3FFFFFF000ULL),
  	},
  	{
  		cpu_to_le64(0x007FFF8000ULL),
  		cpu_to_le64(0x007FFFFFE0ULL),
  		cpu_to_le64(0xFFFFFF8000ULL),
  	},
  	{
  		cpu_to_le64(0x01FFFE0000ULL),
  		cpu_to_le64(0x01FFFFFF80ULL),
  		cpu_to_le64(0xFFFFFE0000ULL),
  	},
  	{
  		cpu_to_le64(0x0FFFF00000ULL),
  		cpu_to_le64(0x0FFFFFFC00ULL),
  		cpu_to_le64(0x0ULL),
  	},
  	{
  		cpu_to_le64(0x3FFFC00000ULL),
  		cpu_to_le64(0x3FFFFFF000ULL),
  		cpu_to_le64(0x0)
  	},
  	{
  		cpu_to_le64(0xFFFE000000ULL),
  		cpu_to_le64(0xFFFFFF8000ULL),
  		cpu_to_le64(0x0)
  	},
  	{
  		cpu_to_le64(0xFFF8000000ULL),
  		cpu_to_le64(0xFFFFFE0000ULL),
  		cpu_to_le64(0x0)
  	},
  	{
  		cpu_to_le64(0xFFC0000000ULL),
  		cpu_to_le64(0x0ULL),
  		cpu_to_le64(0x0ULL)
  	},
  };
  
  struct corunning_block_luts {
  	u8 range;
  	__le32 lut20[BT_COEX_CORUN_LUT_SIZE];
  };
  
  /*
   * Ranges for the antenna coupling calibration / co-running block LUT:
   *		LUT0: [ 0, 12[
   *		LUT1: [12, 20[
   *		LUT2: [20, 21[
   *		LUT3: [21, 23[
   *		LUT4: [23, 27[
   *		LUT5: [27, 30[
   *		LUT6: [30, 32[
   *		LUT7: [32, 33[
   *		LUT8: [33, - [
   */
  static const struct corunning_block_luts antenna_coupling_ranges[] = {
  	{
  		.range = 0,
  		.lut20 = {
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  		},
  	},
  	{
  		.range = 12,
  		.lut20 = {
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  		},
  	},
  	{
  		.range = 20,
  		.lut20 = {
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  		},
  	},
  	{
  		.range = 21,
  		.lut20 = {
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  		},
  	},
  	{
  		.range = 23,
  		.lut20 = {
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  		},
  	},
  	{
  		.range = 27,
  		.lut20 = {
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  		},
  	},
  	{
  		.range = 30,
  		.lut20 = {
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  		},
  	},
  	{
  		.range = 32,
  		.lut20 = {
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  		},
  	},
  	{
  		.range = 33,
  		.lut20 = {
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  			cpu_to_le32(0x00000000),  cpu_to_le32(0x00000000),
  		},
  	},
  };
  
  static enum iwl_bt_coex_lut_type
  iwl_get_coex_type(struct iwl_mvm *mvm, const struct ieee80211_vif *vif)
  {
  	struct ieee80211_chanctx_conf *chanctx_conf;
  	enum iwl_bt_coex_lut_type ret;
  	u16 phy_ctx_id;
  	u32 primary_ch_phy_id, secondary_ch_phy_id;
  
  	/*
  	 * Checking that we hold mvm->mutex is a good idea, but the rate
  	 * control can't acquire the mutex since it runs in Tx path.
  	 * So this is racy in that case, but in the worst case, the AMPDU
  	 * size limit will be wrong for a short time which is not a big
  	 * issue.
  	 */
  
  	rcu_read_lock();
  
  	chanctx_conf = rcu_dereference(vif->chanctx_conf);
  
  	if (!chanctx_conf ||
  	     chanctx_conf->def.chan->band != IEEE80211_BAND_2GHZ) {
  		rcu_read_unlock();
  		return BT_COEX_INVALID_LUT;
  	}
  
  	ret = BT_COEX_TX_DIS_LUT;
  
  	if (mvm->cfg->bt_shared_single_ant) {
  		rcu_read_unlock();
  		return ret;
  	}
  
  	phy_ctx_id = *((u16 *)chanctx_conf->drv_priv);
  	primary_ch_phy_id = le32_to_cpu(mvm->last_bt_ci_cmd.primary_ch_phy_id);
  	secondary_ch_phy_id =
  		le32_to_cpu(mvm->last_bt_ci_cmd.secondary_ch_phy_id);
  
  	if (primary_ch_phy_id == phy_ctx_id)
  		ret = le32_to_cpu(mvm->last_bt_notif.primary_ch_lut);
  	else if (secondary_ch_phy_id == phy_ctx_id)
  		ret = le32_to_cpu(mvm->last_bt_notif.secondary_ch_lut);
  	/* else - default = TX TX disallowed */
  
  	rcu_read_unlock();
  
  	return ret;
  }
  
  int iwl_send_bt_init_conf(struct iwl_mvm *mvm)
  {
  	struct iwl_bt_coex_cmd *bt_cmd;
  	struct iwl_host_cmd cmd = {
  		.id = BT_CONFIG,
  		.len = { sizeof(*bt_cmd), },
  		.dataflags = { IWL_HCMD_DFL_NOCOPY, },
  	};
  	int ret;
  	u32 mode;
  
  	if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT))
  		return iwl_send_bt_init_conf_old(mvm);
  
  	bt_cmd = kzalloc(sizeof(*bt_cmd), GFP_KERNEL);
  	if (!bt_cmd)
  		return -ENOMEM;
  	cmd.data[0] = bt_cmd;
  
  	lockdep_assert_held(&mvm->mutex);
  
  	if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS)) {
  		switch (mvm->bt_force_ant_mode) {
  		case BT_FORCE_ANT_BT:
  			mode = BT_COEX_BT;
  			break;
  		case BT_FORCE_ANT_WIFI:
  			mode = BT_COEX_WIFI;
  			break;
  		default:
  			WARN_ON(1);
  			mode = 0;
  		}
  
  		bt_cmd->mode = cpu_to_le32(mode);
  		goto send_cmd;
  	}
  
  	bt_cmd->max_kill = cpu_to_le32(5);
  	bt_cmd->bt4_antenna_isolation_thr =
  		cpu_to_le32(IWL_MVM_BT_COEX_ANTENNA_COUPLING_THRS);
  	bt_cmd->bt4_tx_tx_delta_freq_thr = cpu_to_le32(15);
  	bt_cmd->bt4_tx_rx_max_freq0 = cpu_to_le32(15);
  	bt_cmd->override_primary_lut = cpu_to_le32(BT_COEX_INVALID_LUT);
  	bt_cmd->override_secondary_lut = cpu_to_le32(BT_COEX_INVALID_LUT);
  
  	mode = iwlwifi_mod_params.bt_coex_active ? BT_COEX_NW : BT_COEX_DISABLE;
  	bt_cmd->mode = cpu_to_le32(mode);
  
  	if (IWL_MVM_BT_COEX_SYNC2SCO)
  		bt_cmd->enabled_modules |=
  			cpu_to_le32(BT_COEX_SYNC2SCO_ENABLED);
  
  	if (IWL_MVM_BT_COEX_CORUNNING)
  		bt_cmd->enabled_modules |= cpu_to_le32(BT_COEX_CORUN_ENABLED);
  
  	if (IWL_MVM_BT_COEX_MPLUT) {
  		bt_cmd->enabled_modules |= cpu_to_le32(BT_COEX_MPLUT_ENABLED);
  		bt_cmd->enabled_modules |=
  			cpu_to_le32(BT_COEX_MPLUT_BOOST_ENABLED);
  	}
  
  	bt_cmd->enabled_modules |= cpu_to_le32(BT_COEX_HIGH_BAND_RET);
  
  	if (mvm->cfg->bt_shared_single_ant)
  		memcpy(&bt_cmd->decision_lut, iwl_single_shared_ant,
  		       sizeof(iwl_single_shared_ant));
  	else
  		memcpy(&bt_cmd->decision_lut, iwl_combined_lookup,
  		       sizeof(iwl_combined_lookup));
  
  	memcpy(&bt_cmd->mplut_prio_boost, iwl_bt_prio_boost,
  	       sizeof(iwl_bt_prio_boost));
  	bt_cmd->multiprio_lut[0] = cpu_to_le32(IWL_MVM_BT_COEX_MPLUT_REG0);
  	bt_cmd->multiprio_lut[1] = cpu_to_le32(IWL_MVM_BT_COEX_MPLUT_REG1);
  
  send_cmd:
  	memset(&mvm->last_bt_notif, 0, sizeof(mvm->last_bt_notif));
  	memset(&mvm->last_bt_ci_cmd, 0, sizeof(mvm->last_bt_ci_cmd));
  
  	ret = iwl_mvm_send_cmd(mvm, &cmd);
  
  	kfree(bt_cmd);
  	return ret;
  }
  
  static int iwl_mvm_bt_udpate_sw_boost(struct iwl_mvm *mvm)
  {
  	struct iwl_bt_coex_profile_notif *notif = &mvm->last_bt_notif;
  	u32 primary_lut = le32_to_cpu(notif->primary_ch_lut);
  	u32 secondary_lut = le32_to_cpu(notif->secondary_ch_lut);
  	u32 ag = le32_to_cpu(notif->bt_activity_grading);
  	struct iwl_bt_coex_sw_boost_update_cmd cmd = {};
  	u8 ack_kill_msk[NUM_PHY_CTX] = {};
  	u8 cts_kill_msk[NUM_PHY_CTX] = {};
  	int i;
  
  	lockdep_assert_held(&mvm->mutex);
  
  	ack_kill_msk[0] = iwl_bt_ack_kill_msk[ag][primary_lut];
  	cts_kill_msk[0] = iwl_bt_cts_kill_msk[ag][primary_lut];
  
  	ack_kill_msk[1] = iwl_bt_ack_kill_msk[ag][secondary_lut];
  	cts_kill_msk[1] = iwl_bt_cts_kill_msk[ag][secondary_lut];
  
  	/* Don't send HCMD if there is no update */
  	if (!memcmp(ack_kill_msk, mvm->bt_ack_kill_msk, sizeof(ack_kill_msk)) ||
  	    !memcmp(cts_kill_msk, mvm->bt_cts_kill_msk, sizeof(cts_kill_msk)))
  		return 0;
  
  	memcpy(mvm->bt_ack_kill_msk, ack_kill_msk,
  	       sizeof(mvm->bt_ack_kill_msk));
  	memcpy(mvm->bt_cts_kill_msk, cts_kill_msk,
  	       sizeof(mvm->bt_cts_kill_msk));
  
  	BUILD_BUG_ON(ARRAY_SIZE(ack_kill_msk) < ARRAY_SIZE(cmd.boost_values));
  
  	for (i = 0; i < ARRAY_SIZE(cmd.boost_values); i++) {
  		cmd.boost_values[i].kill_ack_msk =
  			cpu_to_le32(iwl_bt_ctl_kill_msk[ack_kill_msk[i]]);
  		cmd.boost_values[i].kill_cts_msk =
  			cpu_to_le32(iwl_bt_ctl_kill_msk[cts_kill_msk[i]]);
  	}
  
  	return iwl_mvm_send_cmd_pdu(mvm, BT_COEX_UPDATE_SW_BOOST, 0,
  				    sizeof(cmd), &cmd);
  }
  
  static int iwl_mvm_bt_coex_reduced_txp(struct iwl_mvm *mvm, u8 sta_id,
  				       bool enable)
  {
  	struct iwl_bt_coex_reduced_txp_update_cmd cmd = {};
  	struct iwl_mvm_sta *mvmsta;
  	u32 value;
  	int ret;
  
  	mvmsta = iwl_mvm_sta_from_staid_protected(mvm, sta_id);
  	if (!mvmsta)
  		return 0;
  
  	/* nothing to do */
  	if (mvmsta->bt_reduced_txpower == enable)
  		return 0;
  
  	value = mvmsta->sta_id;
  
  	if (enable)
  		value |= BT_REDUCED_TX_POWER_BIT;
  
  	IWL_DEBUG_COEX(mvm, "%sable reduced Tx Power for sta %d\n",
  		       enable ? "en" : "dis", sta_id);
  
  	cmd.reduced_txp = cpu_to_le32(value);
  	mvmsta->bt_reduced_txpower = enable;
  
  	ret = iwl_mvm_send_cmd_pdu(mvm, BT_COEX_UPDATE_REDUCED_TXP, CMD_ASYNC,
  				   sizeof(cmd), &cmd);
  
  	return ret;
  }
  
  struct iwl_bt_iterator_data {
  	struct iwl_bt_coex_profile_notif *notif;
  	struct iwl_mvm *mvm;
  	struct ieee80211_chanctx_conf *primary;
  	struct ieee80211_chanctx_conf *secondary;
  	bool primary_ll;
  };
  
  static inline
  void iwl_mvm_bt_coex_enable_rssi_event(struct iwl_mvm *mvm,
  				       struct ieee80211_vif *vif,
  				       bool enable, int rssi)
  {
  	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
  
  	mvmvif->bf_data.last_bt_coex_event = rssi;
  	mvmvif->bf_data.bt_coex_max_thold =
  		enable ? -IWL_MVM_BT_COEX_EN_RED_TXP_THRESH : 0;
  	mvmvif->bf_data.bt_coex_min_thold =
  		enable ? -IWL_MVM_BT_COEX_DIS_RED_TXP_THRESH : 0;
  }
  
  /* must be called under rcu_read_lock */
  static void iwl_mvm_bt_notif_iterator(void *_data, u8 *mac,
  				      struct ieee80211_vif *vif)
  {
  	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
  	struct iwl_bt_iterator_data *data = _data;
  	struct iwl_mvm *mvm = data->mvm;
  	struct ieee80211_chanctx_conf *chanctx_conf;
  	/* default smps_mode is AUTOMATIC - only used for client modes */
  	enum ieee80211_smps_mode smps_mode = IEEE80211_SMPS_AUTOMATIC;
  	u32 bt_activity_grading;
  	int ave_rssi;
  
  	lockdep_assert_held(&mvm->mutex);
  
  	switch (vif->type) {
  	case NL80211_IFTYPE_STATION:
  		break;
  	case NL80211_IFTYPE_AP:
  		if (!mvmvif->ap_ibss_active)
  			return;
  		break;
  	default:
  		return;
  	}
  
  	chanctx_conf = rcu_dereference(vif->chanctx_conf);
  
  	/* If channel context is invalid or not on 2.4GHz .. */
  	if ((!chanctx_conf ||
  	     chanctx_conf->def.chan->band != IEEE80211_BAND_2GHZ)) {
  		if (vif->type == NL80211_IFTYPE_STATION) {
  			/* ... relax constraints and disable rssi events */
  			iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_BT_COEX,
  					    smps_mode);
  			iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id,
  						    false);
  			iwl_mvm_bt_coex_enable_rssi_event(mvm, vif, false, 0);
  		}
  		return;
  	}
  
  	bt_activity_grading = le32_to_cpu(data->notif->bt_activity_grading);
  	if (bt_activity_grading >= BT_HIGH_TRAFFIC)
  		smps_mode = IEEE80211_SMPS_STATIC;
  	else if (bt_activity_grading >= BT_LOW_TRAFFIC)
  		smps_mode = IEEE80211_SMPS_DYNAMIC;
  
  	/* relax SMPS constraints for next association */
  	if (!vif->bss_conf.assoc)
  		smps_mode = IEEE80211_SMPS_AUTOMATIC;
  
  	if (mvmvif->phy_ctxt &&
  	    IWL_COEX_IS_RRC_ON(mvm->last_bt_notif.ttc_rrc_status,
  			       mvmvif->phy_ctxt->id))
  		smps_mode = IEEE80211_SMPS_AUTOMATIC;
  
  	IWL_DEBUG_COEX(data->mvm,
  		       "mac %d: bt_activity_grading %d smps_req %d\n",
  		       mvmvif->id, bt_activity_grading, smps_mode);
  
  	if (vif->type == NL80211_IFTYPE_STATION)
  		iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_BT_COEX,
  				    smps_mode);
  
  	/* low latency is always primary */
  	if (iwl_mvm_vif_low_latency(mvmvif)) {
  		data->primary_ll = true;
  
  		data->secondary = data->primary;
  		data->primary = chanctx_conf;
  	}
  
  	if (vif->type == NL80211_IFTYPE_AP) {
  		if (!mvmvif->ap_ibss_active)
  			return;
  
  		if (chanctx_conf == data->primary)
  			return;
  
  		if (!data->primary_ll) {
  			/*
  			 * downgrade the current primary no matter what its
  			 * type is.
  			 */
  			data->secondary = data->primary;
  			data->primary = chanctx_conf;
  		} else {
  			/* there is low latency vif - we will be secondary */
  			data->secondary = chanctx_conf;
  		}
  		return;
  	}
  
  	/*
  	 * STA / P2P Client, try to be primary if first vif. If we are in low
  	 * latency mode, we are already in primary and just don't do much
  	 */
  	if (!data->primary || data->primary == chanctx_conf)
  		data->primary = chanctx_conf;
  	else if (!data->secondary)
  		/* if secondary is not NULL, it might be a GO */
  		data->secondary = chanctx_conf;
  
  	/*
  	 * don't reduce the Tx power if one of these is true:
  	 *  we are in LOOSE
  	 *  single share antenna product
  	 *  BT is active
  	 *  we are associated
  	 */
  	if (iwl_get_coex_type(mvm, vif) == BT_COEX_LOOSE_LUT ||
  	    mvm->cfg->bt_shared_single_ant || !vif->bss_conf.assoc ||
  	    le32_to_cpu(mvm->last_bt_notif.bt_activity_grading) == BT_OFF) {
  		iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, false);
  		iwl_mvm_bt_coex_enable_rssi_event(mvm, vif, false, 0);
  		return;
  	}
  
  	/* try to get the avg rssi from fw */
  	ave_rssi = mvmvif->bf_data.ave_beacon_signal;
  
  	/* if the RSSI isn't valid, fake it is very low */
  	if (!ave_rssi)
  		ave_rssi = -100;
  	if (ave_rssi > -IWL_MVM_BT_COEX_EN_RED_TXP_THRESH) {
  		if (iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, true))
  			IWL_ERR(mvm, "Couldn't send BT_CONFIG cmd\n");
  	} else if (ave_rssi < -IWL_MVM_BT_COEX_DIS_RED_TXP_THRESH) {
  		if (iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, false))
  			IWL_ERR(mvm, "Couldn't send BT_CONFIG cmd\n");
  	}
  
  	/* Begin to monitor the RSSI: it may influence the reduced Tx power */
  	iwl_mvm_bt_coex_enable_rssi_event(mvm, vif, true, ave_rssi);
  }
  
  static void iwl_mvm_bt_coex_notif_handle(struct iwl_mvm *mvm)
  {
  	struct iwl_bt_iterator_data data = {
  		.mvm = mvm,
  		.notif = &mvm->last_bt_notif,
  	};
  	struct iwl_bt_coex_ci_cmd cmd = {};
  	u8 ci_bw_idx;
  
  	/* Ignore updates if we are in force mode */
  	if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS))
  		return;
  
  	rcu_read_lock();
  	ieee80211_iterate_active_interfaces_atomic(
  					mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
  					iwl_mvm_bt_notif_iterator, &data);
  
  	if (data.primary) {
  		struct ieee80211_chanctx_conf *chan = data.primary;
  		if (WARN_ON(!chan->def.chan)) {
  			rcu_read_unlock();
  			return;
  		}
  
  		if (chan->def.width < NL80211_CHAN_WIDTH_40) {
  			ci_bw_idx = 0;
  		} else {
  			if (chan->def.center_freq1 >
  			    chan->def.chan->center_freq)
  				ci_bw_idx = 2;
  			else
  				ci_bw_idx = 1;
  		}
  
  		cmd.bt_primary_ci =
  			iwl_ci_mask[chan->def.chan->hw_value][ci_bw_idx];
  		cmd.primary_ch_phy_id =
  			cpu_to_le32(*((u16 *)data.primary->drv_priv));
  	}
  
  	if (data.secondary) {
  		struct ieee80211_chanctx_conf *chan = data.secondary;
  		if (WARN_ON(!data.secondary->def.chan)) {
  			rcu_read_unlock();
  			return;
  		}
  
  		if (chan->def.width < NL80211_CHAN_WIDTH_40) {
  			ci_bw_idx = 0;
  		} else {
  			if (chan->def.center_freq1 >
  			    chan->def.chan->center_freq)
  				ci_bw_idx = 2;
  			else
  				ci_bw_idx = 1;
  		}
  
  		cmd.bt_secondary_ci =
  			iwl_ci_mask[chan->def.chan->hw_value][ci_bw_idx];
  		cmd.secondary_ch_phy_id =
  			cpu_to_le32(*((u16 *)data.secondary->drv_priv));
  	}
  
  	rcu_read_unlock();
  
  	/* Don't spam the fw with the same command over and over */
  	if (memcmp(&cmd, &mvm->last_bt_ci_cmd, sizeof(cmd))) {
  		if (iwl_mvm_send_cmd_pdu(mvm, BT_COEX_CI, 0,
  					 sizeof(cmd), &cmd))
  			IWL_ERR(mvm, "Failed to send BT_CI cmd\n");
  		memcpy(&mvm->last_bt_ci_cmd, &cmd, sizeof(cmd));
  	}
  
  	if (iwl_mvm_bt_udpate_sw_boost(mvm))
  		IWL_ERR(mvm, "Failed to update the ctrl_kill_msk\n");
  }
  
  int iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm,
  			     struct iwl_rx_cmd_buffer *rxb,
  			     struct iwl_device_cmd *dev_cmd)
  {
  	struct iwl_rx_packet *pkt = rxb_addr(rxb);
  	struct iwl_bt_coex_profile_notif *notif = (void *)pkt->data;
  
  	if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT))
  		return iwl_mvm_rx_bt_coex_notif_old(mvm, rxb, dev_cmd);
  
  	IWL_DEBUG_COEX(mvm, "BT Coex Notification received\n");
  	IWL_DEBUG_COEX(mvm, "\tBT ci compliance %d\n", notif->bt_ci_compliance);
  	IWL_DEBUG_COEX(mvm, "\tBT primary_ch_lut %d\n",
  		       le32_to_cpu(notif->primary_ch_lut));
  	IWL_DEBUG_COEX(mvm, "\tBT secondary_ch_lut %d\n",
  		       le32_to_cpu(notif->secondary_ch_lut));
  	IWL_DEBUG_COEX(mvm, "\tBT activity grading %d\n",
  		       le32_to_cpu(notif->bt_activity_grading));
  
  	/* remember this notification for future use: rssi fluctuations */
  	memcpy(&mvm->last_bt_notif, notif, sizeof(mvm->last_bt_notif));
  
  	iwl_mvm_bt_coex_notif_handle(mvm);
  
  	/*
  	 * This is an async handler for a notification, returning anything other
  	 * than 0 doesn't make sense even if HCMD failed.
  	 */
  	return 0;
  }
  
  static void iwl_mvm_bt_rssi_iterator(void *_data, u8 *mac,
  				   struct ieee80211_vif *vif)
  {
  	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
  	struct iwl_bt_iterator_data *data = _data;
  	struct iwl_mvm *mvm = data->mvm;
  
  	struct ieee80211_sta *sta;
  	struct iwl_mvm_sta *mvmsta;
  
  	struct ieee80211_chanctx_conf *chanctx_conf;
  
  	rcu_read_lock();
  	chanctx_conf = rcu_dereference(vif->chanctx_conf);
  	/* If channel context is invalid or not on 2.4GHz - don't count it */
  	if (!chanctx_conf ||
  	    chanctx_conf->def.chan->band != IEEE80211_BAND_2GHZ) {
  		rcu_read_unlock();
  		return;
  	}
  	rcu_read_unlock();
  
  	if (vif->type != NL80211_IFTYPE_STATION ||
  	    mvmvif->ap_sta_id == IWL_MVM_STATION_COUNT)
  		return;
  
  	sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[mvmvif->ap_sta_id],
  					lockdep_is_held(&mvm->mutex));
  
  	/* This can happen if the station has been removed right now */
  	if (IS_ERR_OR_NULL(sta))
  		return;
  
  	mvmsta = iwl_mvm_sta_from_mac80211(sta);
  }
  
  void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
  			   enum ieee80211_rssi_event rssi_event)
  {
  	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
  	struct iwl_bt_iterator_data data = {
  		.mvm = mvm,
  	};
  	int ret;
  
  	if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT)) {
  		iwl_mvm_bt_rssi_event_old(mvm, vif, rssi_event);
  		return;
  	}
  
  	lockdep_assert_held(&mvm->mutex);
  
  	/* Ignore updates if we are in force mode */
  	if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS))
  		return;
  
  	/*
  	 * Rssi update while not associated - can happen since the statistics
  	 * are handled asynchronously
  	 */
  	if (mvmvif->ap_sta_id == IWL_MVM_STATION_COUNT)
  		return;
  
  	/* No BT - reports should be disabled */
  	if (le32_to_cpu(mvm->last_bt_notif.bt_activity_grading) == BT_OFF)
  		return;
  
  	IWL_DEBUG_COEX(mvm, "RSSI for %pM is now %s\n", vif->bss_conf.bssid,
  		       rssi_event == RSSI_EVENT_HIGH ? "HIGH" : "LOW");
  
  	/*
  	 * Check if rssi is good enough for reduced Tx power, but not in loose
  	 * scheme.
  	 */
  	if (rssi_event == RSSI_EVENT_LOW || mvm->cfg->bt_shared_single_ant ||
  	    iwl_get_coex_type(mvm, vif) == BT_COEX_LOOSE_LUT)
  		ret = iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id,
  						  false);
  	else
  		ret = iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, true);
  
  	if (ret)
  		IWL_ERR(mvm, "couldn't send BT_CONFIG HCMD upon RSSI event\n");
  
  	ieee80211_iterate_active_interfaces_atomic(
  		mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
  		iwl_mvm_bt_rssi_iterator, &data);
  
  	if (iwl_mvm_bt_udpate_sw_boost(mvm))
  		IWL_ERR(mvm, "Failed to update the ctrl_kill_msk\n");
  }
  
  #define LINK_QUAL_AGG_TIME_LIMIT_DEF	(4000)
  #define LINK_QUAL_AGG_TIME_LIMIT_BT_ACT	(1200)
  
  u16 iwl_mvm_coex_agg_time_limit(struct iwl_mvm *mvm,
  				struct ieee80211_sta *sta)
  {
  	struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
  	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(mvmsta->vif);
  	struct iwl_mvm_phy_ctxt *phy_ctxt = mvmvif->phy_ctxt;
  	enum iwl_bt_coex_lut_type lut_type;
  
  	if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT))
  		return iwl_mvm_coex_agg_time_limit_old(mvm, sta);
  
  	if (IWL_COEX_IS_TTC_ON(mvm->last_bt_notif.ttc_rrc_status, phy_ctxt->id))
  		return LINK_QUAL_AGG_TIME_LIMIT_DEF;
  
  	if (le32_to_cpu(mvm->last_bt_notif.bt_activity_grading) <
  	    BT_HIGH_TRAFFIC)
  		return LINK_QUAL_AGG_TIME_LIMIT_DEF;
  
  	lut_type = iwl_get_coex_type(mvm, mvmsta->vif);
  
  	if (lut_type == BT_COEX_LOOSE_LUT || lut_type == BT_COEX_INVALID_LUT)
  		return LINK_QUAL_AGG_TIME_LIMIT_DEF;
  
  	/* tight coex, high bt traffic, reduce AGG time limit */
  	return LINK_QUAL_AGG_TIME_LIMIT_BT_ACT;
  }
  
  bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm,
  				     struct ieee80211_sta *sta)
  {
  	struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
  	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(mvmsta->vif);
  	struct iwl_mvm_phy_ctxt *phy_ctxt = mvmvif->phy_ctxt;
  	enum iwl_bt_coex_lut_type lut_type;
  
  	if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT))
  		return iwl_mvm_bt_coex_is_mimo_allowed_old(mvm, sta);
  
  	if (IWL_COEX_IS_TTC_ON(mvm->last_bt_notif.ttc_rrc_status, phy_ctxt->id))
  		return true;
  
  	if (le32_to_cpu(mvm->last_bt_notif.bt_activity_grading) <
  	    BT_HIGH_TRAFFIC)
  		return true;
  
  	/*
  	 * In Tight / TxTxDis, BT can't Rx while we Tx, so use both antennas
  	 * since BT is already killed.
  	 * In Loose, BT can Rx while we Tx, so forbid MIMO to let BT Rx while
  	 * we Tx.
  	 * When we are in 5GHz, we'll get BT_COEX_INVALID_LUT allowing MIMO.
  	 */
  	lut_type = iwl_get_coex_type(mvm, mvmsta->vif);
  	return lut_type != BT_COEX_LOOSE_LUT;
  }
  
  bool iwl_mvm_bt_coex_is_ant_avail(struct iwl_mvm *mvm, u8 ant)
  {
  	/* there is no other antenna, shared antenna is always available */
  	if (mvm->cfg->bt_shared_single_ant)
  		return true;
  
  	if (ant & mvm->cfg->non_shared_ant)
  		return true;
  
  	if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT))
  		return iwl_mvm_bt_coex_is_shared_ant_avail_old(mvm);
  
  	return le32_to_cpu(mvm->last_bt_notif.bt_activity_grading) <
  		BT_HIGH_TRAFFIC;
  }
  
  bool iwl_mvm_bt_coex_is_shared_ant_avail(struct iwl_mvm *mvm)
  {
  	/* there is no other antenna, shared antenna is always available */
  	if (mvm->cfg->bt_shared_single_ant)
  		return true;
  
  	if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT))
  		return iwl_mvm_bt_coex_is_shared_ant_avail_old(mvm);
  
  	return le32_to_cpu(mvm->last_bt_notif.bt_activity_grading) == BT_OFF;
  }
  
  bool iwl_mvm_bt_coex_is_tpc_allowed(struct iwl_mvm *mvm,
  				    enum ieee80211_band band)
  {
  	u32 bt_activity = le32_to_cpu(mvm->last_bt_notif.bt_activity_grading);
  
  	if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT))
  		return iwl_mvm_bt_coex_is_tpc_allowed_old(mvm, band);
  
  	if (band != IEEE80211_BAND_2GHZ)
  		return false;
  
  	return bt_activity >= BT_LOW_TRAFFIC;
  }
  
  u8 iwl_mvm_bt_coex_tx_prio(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr,
  			   struct ieee80211_tx_info *info, u8 ac)
  {
  	__le16 fc = hdr->frame_control;
  
  	if (info->band != IEEE80211_BAND_2GHZ)
  		return 0;
  
  	if (unlikely(mvm->bt_tx_prio))
  		return mvm->bt_tx_prio - 1;
  
  	/* High prio packet (wrt. BT coex) if it is EAPOL, MCAST or MGMT */
  	if (info->control.flags & IEEE80211_TX_CTRL_PORT_CTRL_PROTO ||
  	     is_multicast_ether_addr(hdr->addr1) ||
  	     ieee80211_is_ctl(fc) || ieee80211_is_mgmt(fc) ||
  	     ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc))
  		return 3;
  
  	switch (ac) {
  	case IEEE80211_AC_BE:
  		return 1;
  	case IEEE80211_AC_VO:
  		return 3;
  	case IEEE80211_AC_VI:
  		return 2;
  	default:
  		break;
  	}
  
  	return 0;
  }
  
  void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm)
  {
  	if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT)) {
  		iwl_mvm_bt_coex_vif_change_old(mvm);
  		return;
  	}
  
  	iwl_mvm_bt_coex_notif_handle(mvm);
  }
  
  int iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm,
  				  struct iwl_rx_cmd_buffer *rxb,
  				  struct iwl_device_cmd *dev_cmd)
  {
  	struct iwl_rx_packet *pkt = rxb_addr(rxb);
  	u32 ant_isolation = le32_to_cpup((void *)pkt->data);
  	struct iwl_bt_coex_corun_lut_update_cmd cmd = {};
  	u8 __maybe_unused lower_bound, upper_bound;
  	u8 lut;
  
  	if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT))
  		return iwl_mvm_rx_ant_coupling_notif_old(mvm, rxb, dev_cmd);
  
  	if (!IWL_MVM_BT_COEX_CORUNNING)
  		return 0;
  
  	lockdep_assert_held(&mvm->mutex);
  
  	/* Ignore updates if we are in force mode */
  	if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS))
  		return 0;
  
  	if (ant_isolation ==  mvm->last_ant_isol)
  		return 0;
  
  	for (lut = 0; lut < ARRAY_SIZE(antenna_coupling_ranges) - 1; lut++)
  		if (ant_isolation < antenna_coupling_ranges[lut + 1].range)
  			break;
  
  	lower_bound = antenna_coupling_ranges[lut].range;
  
  	if (lut < ARRAY_SIZE(antenna_coupling_ranges) - 1)
  		upper_bound = antenna_coupling_ranges[lut + 1].range;
  	else
  		upper_bound = antenna_coupling_ranges[lut].range;
  
  	IWL_DEBUG_COEX(mvm, "Antenna isolation=%d in range [%d,%d[, lut=%d\n",
  		       ant_isolation, lower_bound, upper_bound, lut);
  
  	mvm->last_ant_isol = ant_isolation;
  
  	if (mvm->last_corun_lut == lut)
  		return 0;
  
  	mvm->last_corun_lut = lut;
  
  	/* For the moment, use the same LUT for 20GHz and 40GHz */
  	memcpy(&cmd.corun_lut20, antenna_coupling_ranges[lut].lut20,
  	       sizeof(cmd.corun_lut20));
  
  	memcpy(&cmd.corun_lut40, antenna_coupling_ranges[lut].lut20,
  	       sizeof(cmd.corun_lut40));
  
  	return iwl_mvm_send_cmd_pdu(mvm, BT_COEX_UPDATE_CORUN_LUT, 0,
  				    sizeof(cmd), &cmd);
  }
  