root/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a1ant.c
// SPDX-License-Identifier: GPL-2.0
/* Copyright(c) 2012  Realtek Corporation.*/

/**************************************************************
 * Description:
 *
 * This file is for RTL8821A Co-exist mechanism
 *
 * History
 * 2012/11/15 Cosa first check in.
 *
 **************************************************************/

/**************************************************************
 * include files
 **************************************************************/
#include "halbt_precomp.h"
/**************************************************************
 * Global variables, these are static variables
 **************************************************************/
static struct coex_dm_8821a_1ant glcoex_dm_8821a_1ant;
static struct coex_dm_8821a_1ant *coex_dm = &glcoex_dm_8821a_1ant;
static struct coex_sta_8821a_1ant glcoex_sta_8821a_1ant;
static struct coex_sta_8821a_1ant *coex_sta = &glcoex_sta_8821a_1ant;
static void btc8821a1ant_act_bt_sco_hid_only_busy(struct btc_coexist *btcoexist,
                                                  u8 wifi_status);

static const char *const glbt_info_src_8821a_1ant[] = {
          "BT Info[wifi fw]",
          "BT Info[bt rsp]",
          "BT Info[bt auto report]",
};

static u32 glcoex_ver_date_8821a_1ant = 20130816;
static u32 glcoex_ver_8821a_1ant = 0x41;

/**************************************************************
 * local function proto type if needed
 *
 * local function start with btc8821a1ant_
 **************************************************************/
static u8 btc8821a1ant_bt_rssi_state(struct btc_coexist *btcoexist,
                                     u8 level_num, u8 rssi_thresh,
                                     u8 rssi_thresh1)
{
        struct rtl_priv *rtlpriv = btcoexist->adapter;
        long bt_rssi = 0;
        u8 bt_rssi_state = coex_sta->pre_bt_rssi_state;

        bt_rssi = coex_sta->bt_rssi;

        if (level_num == 2) {
                if ((coex_sta->pre_bt_rssi_state == BTC_RSSI_STATE_LOW) ||
                    (coex_sta->pre_bt_rssi_state == BTC_RSSI_STATE_STAY_LOW)) {
                        if (bt_rssi >= (rssi_thresh +
                                        BTC_RSSI_COEX_THRESH_TOL_8821A_1ANT)) {
                                bt_rssi_state = BTC_RSSI_STATE_HIGH;
                                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                                        "[BTCoex], BT Rssi state switch to High\n");
                        } else {
                                bt_rssi_state = BTC_RSSI_STATE_STAY_LOW;
                                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                                        "[BTCoex], BT Rssi state stay at Low\n");
                        }
                } else {
                        if (bt_rssi < rssi_thresh) {
                                bt_rssi_state = BTC_RSSI_STATE_LOW;
                                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                                        "[BTCoex], BT Rssi state switch to Low\n");
                        } else {
                                bt_rssi_state = BTC_RSSI_STATE_STAY_HIGH;
                                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                                        "[BTCoex], BT Rssi state stay at High\n");
                        }
                }
        } else if (level_num == 3) {
                if (rssi_thresh > rssi_thresh1) {
                        rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                                "[BTCoex], BT Rssi thresh error!!\n");
                        return coex_sta->pre_bt_rssi_state;
                }

                if ((coex_sta->pre_bt_rssi_state == BTC_RSSI_STATE_LOW) ||
                    (coex_sta->pre_bt_rssi_state == BTC_RSSI_STATE_STAY_LOW)) {
                        if (bt_rssi >= (rssi_thresh +
                                        BTC_RSSI_COEX_THRESH_TOL_8821A_1ANT)) {
                                bt_rssi_state = BTC_RSSI_STATE_MEDIUM;
                                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                                        "[BTCoex], BT Rssi state switch to Medium\n");
                        } else {
                                bt_rssi_state = BTC_RSSI_STATE_STAY_LOW;
                                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                                        "[BTCoex], BT Rssi state stay at Low\n");
                        }
                } else if ((coex_sta->pre_bt_rssi_state ==
                           BTC_RSSI_STATE_MEDIUM) ||
                           (coex_sta->pre_bt_rssi_state ==
                            BTC_RSSI_STATE_STAY_MEDIUM)) {
                        if (bt_rssi >= (rssi_thresh1 +
                                        BTC_RSSI_COEX_THRESH_TOL_8821A_1ANT)) {
                                bt_rssi_state = BTC_RSSI_STATE_HIGH;
                                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                                        "[BTCoex], BT Rssi state switch to High\n");
                        } else if (bt_rssi < rssi_thresh) {
                                bt_rssi_state = BTC_RSSI_STATE_LOW;
                                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                                        "[BTCoex], BT Rssi state switch to Low\n");
                        } else {
                                bt_rssi_state = BTC_RSSI_STATE_STAY_MEDIUM;
                                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                                        "[BTCoex], BT Rssi state stay at Medium\n");
                        }
                } else {
                        if (bt_rssi < rssi_thresh1) {
                                bt_rssi_state = BTC_RSSI_STATE_MEDIUM;
                                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                                        "[BTCoex], BT Rssi state switch to Medium\n");
                        } else {
                                bt_rssi_state = BTC_RSSI_STATE_STAY_HIGH;
                                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                                        "[BTCoex], BT Rssi state stay at High\n");
                        }
                }
        }
        coex_sta->pre_bt_rssi_state = bt_rssi_state;

        return bt_rssi_state;
}

static u8 btc8821a1ant_wifi_rssi_state(struct btc_coexist *btcoexist,
                                       u8 index, u8 level_num, u8 rssi_thresh,
                                       u8 rssi_thresh1)
{
        struct rtl_priv *rtlpriv = btcoexist->adapter;
        long    wifi_rssi = 0;
        u8      wifi_rssi_state = coex_sta->pre_wifi_rssi_state[index];

        btcoexist->btc_get(btcoexist, BTC_GET_S4_WIFI_RSSI, &wifi_rssi);

        if (level_num == 2) {
                if ((coex_sta->pre_wifi_rssi_state[index] ==
                     BTC_RSSI_STATE_LOW) ||
                    (coex_sta->pre_wifi_rssi_state[index] ==
                     BTC_RSSI_STATE_STAY_LOW)) {
                        if (wifi_rssi >= (rssi_thresh +
                                        BTC_RSSI_COEX_THRESH_TOL_8821A_1ANT)) {
                                wifi_rssi_state = BTC_RSSI_STATE_HIGH;
                                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                                        "[BTCoex], wifi RSSI state switch to High\n");
                        } else {
                                wifi_rssi_state = BTC_RSSI_STATE_STAY_LOW;
                                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                                        "[BTCoex], wifi RSSI state stay at Low\n");
                        }
                } else {
                        if (wifi_rssi < rssi_thresh) {
                                wifi_rssi_state = BTC_RSSI_STATE_LOW;
                                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                                        "[BTCoex], wifi RSSI state switch to Low\n");
                        } else {
                                wifi_rssi_state = BTC_RSSI_STATE_STAY_HIGH;
                                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                                        "[BTCoex], wifi RSSI state stay at High\n");
                        }
                }
        } else if (level_num == 3) {
                if (rssi_thresh > rssi_thresh1) {
                        rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                                "[BTCoex], wifi RSSI thresh error!!\n");
                        return coex_sta->pre_wifi_rssi_state[index];
                }

                if ((coex_sta->pre_wifi_rssi_state[index] ==
                     BTC_RSSI_STATE_LOW) ||
                    (coex_sta->pre_wifi_rssi_state[index] ==
                     BTC_RSSI_STATE_STAY_LOW)) {
                        if (wifi_rssi >= (rssi_thresh +
                                        BTC_RSSI_COEX_THRESH_TOL_8821A_1ANT)) {
                                wifi_rssi_state = BTC_RSSI_STATE_MEDIUM;
                                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                                        "[BTCoex], wifi RSSI state switch to Medium\n");
                        } else {
                                wifi_rssi_state = BTC_RSSI_STATE_STAY_LOW;
                                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                                        "[BTCoex], wifi RSSI state stay at Low\n");
                        }
                } else if ((coex_sta->pre_wifi_rssi_state[index] ==
                        BTC_RSSI_STATE_MEDIUM) ||
                        (coex_sta->pre_wifi_rssi_state[index] ==
                        BTC_RSSI_STATE_STAY_MEDIUM)) {
                        if (wifi_rssi >= (rssi_thresh1 +
                                        BTC_RSSI_COEX_THRESH_TOL_8821A_1ANT)) {
                                wifi_rssi_state = BTC_RSSI_STATE_HIGH;
                                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                                        "[BTCoex], wifi RSSI state switch to High\n");
                        } else if (wifi_rssi < rssi_thresh) {
                                wifi_rssi_state = BTC_RSSI_STATE_LOW;
                                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                                        "[BTCoex], wifi RSSI state switch to Low\n");
                        } else {
                                wifi_rssi_state = BTC_RSSI_STATE_STAY_MEDIUM;
                                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                                        "[BTCoex], wifi RSSI state stay at Medium\n");
                        }
                } else {
                        if (wifi_rssi < rssi_thresh1) {
                                wifi_rssi_state = BTC_RSSI_STATE_MEDIUM;
                                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                                        "[BTCoex], wifi RSSI state switch to Medium\n");
                        } else {
                                wifi_rssi_state = BTC_RSSI_STATE_STAY_HIGH;
                                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                                        "[BTCoex], wifi RSSI state stay at High\n");
                        }
                }
        }
        coex_sta->pre_wifi_rssi_state[index] = wifi_rssi_state;

        return wifi_rssi_state;
}

static void btc8821a1ant_update_ra_mask(struct btc_coexist *btcoexist,
                                        bool force_exec, u32 dis_rate_mask)
{
        coex_dm->cur_ra_mask = dis_rate_mask;

        if (force_exec ||
            (coex_dm->pre_ra_mask != coex_dm->cur_ra_mask)) {
                btcoexist->btc_set(btcoexist, BTC_SET_ACT_UPDATE_RAMASK,
                                   &coex_dm->cur_ra_mask);
        }
        coex_dm->pre_ra_mask = coex_dm->cur_ra_mask;
}

static void btc8821a1ant_auto_rate_fb_retry(struct btc_coexist *btcoexist,
                                            bool force_exec, u8 type)
{
        bool wifi_under_b_mode = false;

        coex_dm->cur_arfr_type = type;

        if (force_exec ||
            (coex_dm->pre_arfr_type != coex_dm->cur_arfr_type)) {
                switch (coex_dm->cur_arfr_type) {
                case 0: /* normal mode */
                        btcoexist->btc_write_4byte(btcoexist, 0x430,
                                                   coex_dm->backup_arfr_cnt1);
                        btcoexist->btc_write_4byte(btcoexist, 0x434,
                                                   coex_dm->backup_arfr_cnt2);
                        break;
                case 1:
                        btcoexist->btc_get(btcoexist,
                                           BTC_GET_BL_WIFI_UNDER_B_MODE,
                                           &wifi_under_b_mode);
                        if (wifi_under_b_mode) {
                                btcoexist->btc_write_4byte(btcoexist, 0x430,
                                                           0x0);
                                btcoexist->btc_write_4byte(btcoexist, 0x434,
                                                           0x01010101);
                        } else {
                                btcoexist->btc_write_4byte(btcoexist, 0x430,
                                                           0x0);
                                btcoexist->btc_write_4byte(btcoexist, 0x434,
                                                           0x04030201);
                        }
                        break;
                default:
                        break;
                }
        }

        coex_dm->pre_arfr_type = coex_dm->cur_arfr_type;
}

static void btc8821a1ant_retry_limit(struct btc_coexist *btcoexist,
                                     bool force_exec, u8 type)
{
        coex_dm->cur_retry_limit_type = type;

        if (force_exec ||
            (coex_dm->pre_retry_limit_type != coex_dm->cur_retry_limit_type)) {
                switch (coex_dm->cur_retry_limit_type) {
                case 0: /* normal mode */
                        btcoexist->btc_write_2byte(btcoexist, 0x42a,
                                                   coex_dm->backup_retry_limit);
                        break;
                case 1: /* retry limit = 8 */
                        btcoexist->btc_write_2byte(btcoexist, 0x42a, 0x0808);
                        break;
                default:
                        break;
                }
        }
        coex_dm->pre_retry_limit_type = coex_dm->cur_retry_limit_type;
}

static void btc8821a1ant_ampdu_max_time(struct btc_coexist *btcoexist,
                                        bool force_exec, u8 type)
{
        coex_dm->cur_ampdu_time_type = type;

        if (force_exec ||
            (coex_dm->pre_ampdu_time_type != coex_dm->cur_ampdu_time_type)) {
                switch (coex_dm->cur_ampdu_time_type) {
                case 0: /* normal mode */
                        btcoexist->btc_write_1byte(btcoexist, 0x456,
                                                   coex_dm->backup_ampdu_max_time);
                        break;
                case 1: /* AMPDU time = 0x38 * 32us */
                        btcoexist->btc_write_1byte(btcoexist, 0x456, 0x38);
                        break;
                default:
                        break;
                }
        }

        coex_dm->pre_ampdu_time_type = coex_dm->cur_ampdu_time_type;
}

static void btc8821a1ant_limited_tx(struct btc_coexist *btcoexist,
                                    bool force_exec, u8 ra_mask_type,
                                    u8 arfr_type, u8 retry_limit_type,
                                    u8 ampdu_time_type)
{
        switch (ra_mask_type) {
        case 0: /* normal mode */
                btc8821a1ant_update_ra_mask(btcoexist, force_exec, 0x0);
                break;
        case 1: /* disable cck 1/2 */
                btc8821a1ant_update_ra_mask(btcoexist, force_exec,
                                            0x00000003);
                break;
        case 2: /* disable cck 1/2/5.5, ofdm 6/9/12/18/24, mcs 0/1/2/3/4 */
                btc8821a1ant_update_ra_mask(btcoexist, force_exec,
                                            0x0001f1f7);
                break;
        default:
                break;
        }

        btc8821a1ant_auto_rate_fb_retry(btcoexist, force_exec, arfr_type);
        btc8821a1ant_retry_limit(btcoexist, force_exec, retry_limit_type);
        btc8821a1ant_ampdu_max_time(btcoexist, force_exec, ampdu_time_type);
}

static void btc8821a1ant_limited_rx(struct btc_coexist *btcoexist,
                                    bool force_exec, bool rej_ap_agg_pkt,
                                    bool bt_ctrl_agg_buf_size, u8 agg_buf_size)
{
        bool reject_rx_agg = rej_ap_agg_pkt;
        bool bt_ctrl_rx_agg_size = bt_ctrl_agg_buf_size;
        u8 rx_agg_size = agg_buf_size;

        /* Rx Aggregation related setting */
        btcoexist->btc_set(btcoexist,
                 BTC_SET_BL_TO_REJ_AP_AGG_PKT, &reject_rx_agg);
        /* decide BT control aggregation buf size or not */
        btcoexist->btc_set(btcoexist, BTC_SET_BL_BT_CTRL_AGG_SIZE,
                           &bt_ctrl_rx_agg_size);
        /* aggregation buf size, only work when BT control Rx agg size */
        btcoexist->btc_set(btcoexist, BTC_SET_U1_AGG_BUF_SIZE, &rx_agg_size);
        /* real update aggregation setting */
        btcoexist->btc_set(btcoexist, BTC_SET_ACT_AGGREGATE_CTRL, NULL);
}

static void btc8821a1ant_monitor_bt_ctr(struct btc_coexist *btcoexist)
{
        u32 reg_hp_tx_rx, reg_lp_tx_rx, u4_tmp;
        u32 reg_hp_tx = 0, reg_hp_rx = 0, reg_lp_tx = 0, reg_lp_rx = 0;

        reg_hp_tx_rx = 0x770;
        reg_lp_tx_rx = 0x774;

        u4_tmp = btcoexist->btc_read_4byte(btcoexist, reg_hp_tx_rx);
        reg_hp_tx = u4_tmp & MASKLWORD;
        reg_hp_rx = (u4_tmp & MASKHWORD) >> 16;

        u4_tmp = btcoexist->btc_read_4byte(btcoexist, reg_lp_tx_rx);
        reg_lp_tx = u4_tmp & MASKLWORD;
        reg_lp_rx = (u4_tmp & MASKHWORD) >> 16;

        coex_sta->high_priority_tx = reg_hp_tx;
        coex_sta->high_priority_rx = reg_hp_rx;
        coex_sta->low_priority_tx = reg_lp_tx;
        coex_sta->low_priority_rx = reg_lp_rx;

        /* reset counter */
        btcoexist->btc_write_1byte(btcoexist, 0x76e, 0xc);
}

static void btc8821a1ant_query_bt_info(struct btc_coexist *btcoexist)
{
        struct rtl_priv *rtlpriv = btcoexist->adapter;
        u8 h2c_parameter[1] = {0};

        coex_sta->c2h_bt_info_req_sent = true;

        h2c_parameter[0] |= BIT0; /* trigger */

        rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                "[BTCoex], Query Bt Info, FW write 0x61 = 0x%x\n",
                h2c_parameter[0]);

        btcoexist->btc_fill_h2c(btcoexist, 0x61, 1, h2c_parameter);
}

static void btc8821a1ant_update_bt_link_info(struct btc_coexist *btcoexist)
{
        struct btc_bt_link_info *bt_link_info = &btcoexist->bt_link_info;
        bool bt_hs_on = false;

        btcoexist->btc_get(btcoexist, BTC_GET_BL_HS_OPERATION, &bt_hs_on);

        bt_link_info->bt_link_exist = coex_sta->bt_link_exist;
        bt_link_info->sco_exist = coex_sta->sco_exist;
        bt_link_info->a2dp_exist = coex_sta->a2dp_exist;
        bt_link_info->pan_exist = coex_sta->pan_exist;
        bt_link_info->hid_exist = coex_sta->hid_exist;

        /* work around for HS mode */
        if (bt_hs_on) {
                bt_link_info->pan_exist = true;
                bt_link_info->bt_link_exist = true;
        }

        /* check if Sco only */
        if (bt_link_info->sco_exist &&
            !bt_link_info->a2dp_exist &&
            !bt_link_info->pan_exist &&
            !bt_link_info->hid_exist)
                bt_link_info->sco_only = true;
        else
                bt_link_info->sco_only = false;

        /* check if A2dp only */
        if (!bt_link_info->sco_exist &&
            bt_link_info->a2dp_exist &&
            !bt_link_info->pan_exist &&
            !bt_link_info->hid_exist)
                bt_link_info->a2dp_only = true;
        else
                bt_link_info->a2dp_only = false;

        /* check if Pan only */
        if (!bt_link_info->sco_exist &&
            !bt_link_info->a2dp_exist &&
            bt_link_info->pan_exist &&
            !bt_link_info->hid_exist)
                bt_link_info->pan_only = true;
        else
                bt_link_info->pan_only = false;

        /* check if Hid only */
        if (!bt_link_info->sco_exist &&
            !bt_link_info->a2dp_exist &&
            !bt_link_info->pan_exist &&
            bt_link_info->hid_exist)
                bt_link_info->hid_only = true;
        else
                bt_link_info->hid_only = false;
}

static u8 btc8821a1ant_action_algorithm(struct btc_coexist *btcoexist)
{
        struct rtl_priv *rtlpriv = btcoexist->adapter;
        struct btc_bt_link_info *bt_link_info = &btcoexist->bt_link_info;
        bool bt_hs_on = false;
        u8 algorithm = BT_8821A_1ANT_COEX_ALGO_UNDEFINED;
        u8 num_of_diff_profile = 0;

        btcoexist->btc_get(btcoexist, BTC_GET_BL_HS_OPERATION, &bt_hs_on);

        if (!bt_link_info->bt_link_exist) {
                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                        "[BTCoex], No BT link exists!!!\n");
                return algorithm;
        }

        if (bt_link_info->sco_exist)
                num_of_diff_profile++;
        if (bt_link_info->hid_exist)
                num_of_diff_profile++;
        if (bt_link_info->pan_exist)
                num_of_diff_profile++;
        if (bt_link_info->a2dp_exist)
                num_of_diff_profile++;

        if (num_of_diff_profile == 1) {
                if (bt_link_info->sco_exist) {
                        rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                                "[BTCoex], BT Profile = SCO only\n");
                        algorithm = BT_8821A_1ANT_COEX_ALGO_SCO;
                } else {
                        if (bt_link_info->hid_exist) {
                                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                                        "[BTCoex], BT Profile = HID only\n");
                                algorithm = BT_8821A_1ANT_COEX_ALGO_HID;
                        } else if (bt_link_info->a2dp_exist) {
                                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                                        "[BTCoex], BT Profile = A2DP only\n");
                                algorithm = BT_8821A_1ANT_COEX_ALGO_A2DP;
                        } else if (bt_link_info->pan_exist) {
                                if (bt_hs_on) {
                                        rtl_dbg(rtlpriv, COMP_BT_COEXIST,
                                                DBG_LOUD,
                                                "[BTCoex], BT Profile = PAN(HS) only\n");
                                        algorithm = BT_8821A_1ANT_COEX_ALGO_PANHS;
                                } else {
                                        rtl_dbg(rtlpriv, COMP_BT_COEXIST,
                                                DBG_LOUD,
                                                "[BTCoex], BT Profile = PAN(EDR) only\n");
                                        algorithm = BT_8821A_1ANT_COEX_ALGO_PANEDR;
                                }
                        }
                }
        } else if (num_of_diff_profile == 2) {
                if (bt_link_info->sco_exist) {
                        if (bt_link_info->hid_exist) {
                                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                                        "[BTCoex], BT Profile = SCO + HID\n");
                                algorithm = BT_8821A_1ANT_COEX_ALGO_HID;
                        } else if (bt_link_info->a2dp_exist) {
                                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                                        "[BTCoex], BT Profile = SCO + A2DP ==> SCO\n");
                                algorithm = BT_8821A_1ANT_COEX_ALGO_SCO;
                        } else if (bt_link_info->pan_exist) {
                                if (bt_hs_on) {
                                        rtl_dbg(rtlpriv, COMP_BT_COEXIST,
                                                DBG_LOUD,
                                                "[BTCoex], BT Profile = SCO + PAN(HS)\n");
                                        algorithm = BT_8821A_1ANT_COEX_ALGO_SCO;
                                } else {
                                        rtl_dbg(rtlpriv, COMP_BT_COEXIST,
                                                DBG_LOUD,
                                                "[BTCoex], BT Profile = SCO + PAN(EDR)\n");
                                        algorithm = BT_8821A_1ANT_COEX_ALGO_PANEDR_HID;
                                }
                        }
                } else {
                        if (bt_link_info->hid_exist &&
                            bt_link_info->a2dp_exist) {
                                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                                        "[BTCoex], BT Profile = HID + A2DP\n");
                                algorithm = BT_8821A_1ANT_COEX_ALGO_HID_A2DP;
                        } else if (bt_link_info->hid_exist &&
                                   bt_link_info->pan_exist) {
                                if (bt_hs_on) {
                                        rtl_dbg(rtlpriv, COMP_BT_COEXIST,
                                                DBG_LOUD,
                                                "[BTCoex], BT Profile = HID + PAN(HS)\n");
                                        algorithm = BT_8821A_1ANT_COEX_ALGO_HID_A2DP;
                                } else {
                                        rtl_dbg(rtlpriv, COMP_BT_COEXIST,
                                                DBG_LOUD,
                                                "[BTCoex], BT Profile = HID + PAN(EDR)\n");
                                        algorithm = BT_8821A_1ANT_COEX_ALGO_PANEDR_HID;
                                }
                        } else if (bt_link_info->pan_exist &&
                                   bt_link_info->a2dp_exist) {
                                if (bt_hs_on) {
                                        rtl_dbg(rtlpriv, COMP_BT_COEXIST,
                                                DBG_LOUD,
                                                "[BTCoex], BT Profile = A2DP + PAN(HS)\n");
                                        algorithm = BT_8821A_1ANT_COEX_ALGO_A2DP_PANHS;
                                } else {
                                        rtl_dbg(rtlpriv, COMP_BT_COEXIST,
                                                DBG_LOUD,
                                                "[BTCoex], BT Profile = A2DP + PAN(EDR)\n");
                                        algorithm = BT_8821A_1ANT_COEX_ALGO_PANEDR_A2DP;
                                }
                        }
                }
        } else if (num_of_diff_profile == 3) {
                if (bt_link_info->sco_exist) {
                        if (bt_link_info->hid_exist &&
                            bt_link_info->a2dp_exist) {
                                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                                        "[BTCoex], BT Profile = SCO + HID + A2DP ==> HID\n");
                                algorithm = BT_8821A_1ANT_COEX_ALGO_HID;
                        } else if (bt_link_info->hid_exist &&
                                   bt_link_info->pan_exist) {
                                if (bt_hs_on) {
                                        rtl_dbg(rtlpriv, COMP_BT_COEXIST,
                                                DBG_LOUD,
                                                "[BTCoex], BT Profile = SCO + HID + PAN(HS)\n");
                                        algorithm = BT_8821A_1ANT_COEX_ALGO_HID_A2DP;
                                } else {
                                        rtl_dbg(rtlpriv, COMP_BT_COEXIST,
                                                DBG_LOUD,
                                                "[BTCoex], BT Profile = SCO + HID + PAN(EDR)\n");
                                        algorithm = BT_8821A_1ANT_COEX_ALGO_PANEDR_HID;
                                }
                        } else if (bt_link_info->pan_exist &&
                                   bt_link_info->a2dp_exist) {
                                if (bt_hs_on) {
                                        rtl_dbg(rtlpriv, COMP_BT_COEXIST,
                                                DBG_LOUD,
                                                "[BTCoex], BT Profile = SCO + A2DP + PAN(HS)\n");
                                        algorithm = BT_8821A_1ANT_COEX_ALGO_SCO;
                                } else {
                                        rtl_dbg(rtlpriv, COMP_BT_COEXIST,
                                                DBG_LOUD,
                                                "[BTCoex], BT Profile = SCO + A2DP + PAN(EDR) ==> HID\n");
                                        algorithm = BT_8821A_1ANT_COEX_ALGO_PANEDR_HID;
                                }
                        }
                } else {
                        if (bt_link_info->hid_exist &&
                            bt_link_info->pan_exist &&
                            bt_link_info->a2dp_exist) {
                                if (bt_hs_on) {
                                        rtl_dbg(rtlpriv, COMP_BT_COEXIST,
                                                DBG_LOUD,
                                                "[BTCoex], BT Profile = HID + A2DP + PAN(HS)\n");
                                        algorithm = BT_8821A_1ANT_COEX_ALGO_HID_A2DP;
                                } else {
                                        rtl_dbg(rtlpriv, COMP_BT_COEXIST,
                                                DBG_LOUD,
                                                "[BTCoex], BT Profile = HID + A2DP + PAN(EDR)\n");
                                        algorithm = BT_8821A_1ANT_COEX_ALGO_HID_A2DP_PANEDR;
                                }
                        }
                }
        } else if (num_of_diff_profile >= 3) {
                if (bt_link_info->sco_exist) {
                        if (bt_link_info->hid_exist &&
                            bt_link_info->pan_exist &&
                            bt_link_info->a2dp_exist) {
                                if (bt_hs_on) {
                                        rtl_dbg(rtlpriv, COMP_BT_COEXIST,
                                                DBG_LOUD,
                                                "[BTCoex], Error!!! BT Profile = SCO + HID + A2DP + PAN(HS)\n");

                                } else {
                                        rtl_dbg(rtlpriv, COMP_BT_COEXIST,
                                                DBG_LOUD,
                                                "[BTCoex], BT Profile = SCO + HID + A2DP + PAN(EDR)==>PAN(EDR)+HID\n");
                                        algorithm = BT_8821A_1ANT_COEX_ALGO_PANEDR_HID;
                                }
                        }
                }
        }
        return algorithm;
}

static void btc8821a1ant_set_sw_penalty_tx_rate(struct btc_coexist *btcoexist,
                                                bool low_penalty_ra)
{
        struct rtl_priv *rtlpriv = btcoexist->adapter;
        u8 h2c_parameter[6] = {0};

        h2c_parameter[0] = 0x6; /* opCode, 0x6= Retry_Penalty*/

        if (low_penalty_ra) {
                h2c_parameter[1] |= BIT0;
                /* normal rate except MCS7/6/5, OFDM54/48/36 */
                h2c_parameter[2] = 0x00;
                h2c_parameter[3] = 0xf7; /* MCS7 or OFDM54 */
                h2c_parameter[4] = 0xf8; /* MCS6 or OFDM48 */
                h2c_parameter[5] = 0xf9; /* MCS5 or OFDM36 */
        }

        rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                "[BTCoex], set WiFi Low-Penalty Retry: %s",
                (low_penalty_ra ? "ON!!" : "OFF!!"));

        btcoexist->btc_fill_h2c(btcoexist, 0x69, 6, h2c_parameter);
}

static void btc8821a1ant_low_penalty_ra(struct btc_coexist *btcoexist,
                                        bool force_exec, bool low_penalty_ra)
{
        coex_dm->cur_low_penalty_ra = low_penalty_ra;

        if (!force_exec) {
                if (coex_dm->pre_low_penalty_ra == coex_dm->cur_low_penalty_ra)
                        return;
        }
        btc8821a1ant_set_sw_penalty_tx_rate(btcoexist,
                                            coex_dm->cur_low_penalty_ra);

        coex_dm->pre_low_penalty_ra = coex_dm->cur_low_penalty_ra;
}

static void btc8821a1ant_set_coex_table(struct btc_coexist *btcoexist,
                                        u32 val0x6c0, u32 val0x6c4,
                                        u32 val0x6c8, u8 val0x6cc)
{
        struct rtl_priv *rtlpriv = btcoexist->adapter;

        rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                "[BTCoex], set coex table, set 0x6c0 = 0x%x\n", val0x6c0);
        btcoexist->btc_write_4byte(btcoexist, 0x6c0, val0x6c0);

        rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                "[BTCoex], set coex table, set 0x6c4 = 0x%x\n", val0x6c4);
        btcoexist->btc_write_4byte(btcoexist, 0x6c4, val0x6c4);

        rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                "[BTCoex], set coex table, set 0x6c8 = 0x%x\n", val0x6c8);
        btcoexist->btc_write_4byte(btcoexist, 0x6c8, val0x6c8);

        rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                "[BTCoex], set coex table, set 0x6cc = 0x%x\n", val0x6cc);
        btcoexist->btc_write_1byte(btcoexist, 0x6cc, val0x6cc);
}

static void btc8821a1ant_coex_table(struct btc_coexist *btcoexist,
                                    bool force_exec, u32 val0x6c0, u32 val0x6c4,
                                    u32 val0x6c8, u8 val0x6cc)
{
        struct rtl_priv *rtlpriv = btcoexist->adapter;

        rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                "[BTCoex], %s write Coex Table 0x6c0 = 0x%x, 0x6c4 = 0x%x, 0x6c8 = 0x%x, 0x6cc = 0x%x\n",
                (force_exec ? "force to" : ""), val0x6c0, val0x6c4,
                val0x6c8, val0x6cc);
        coex_dm->cur_val_0x6c0 = val0x6c0;
        coex_dm->cur_val_0x6c4 = val0x6c4;
        coex_dm->cur_val_0x6c8 = val0x6c8;
        coex_dm->cur_val_0x6cc = val0x6cc;

        if (!force_exec) {
                if ((coex_dm->pre_val_0x6c0 == coex_dm->cur_val_0x6c0) &&
                    (coex_dm->pre_val_0x6c4 == coex_dm->cur_val_0x6c4) &&
                    (coex_dm->pre_val_0x6c8 == coex_dm->cur_val_0x6c8) &&
                    (coex_dm->pre_val_0x6cc == coex_dm->cur_val_0x6cc))
                        return;
        }
        btc8821a1ant_set_coex_table(btcoexist, val0x6c0, val0x6c4,
                                    val0x6c8, val0x6cc);

        coex_dm->pre_val_0x6c0 = coex_dm->cur_val_0x6c0;
        coex_dm->pre_val_0x6c4 = coex_dm->cur_val_0x6c4;
        coex_dm->pre_val_0x6c8 = coex_dm->cur_val_0x6c8;
        coex_dm->pre_val_0x6cc = coex_dm->cur_val_0x6cc;
}

static void btc8821a1ant_coex_table_with_type(struct btc_coexist *btcoexist,
                                              bool force_exec, u8 type)
{
        switch (type) {
        case 0:
                btc8821a1ant_coex_table(btcoexist, force_exec, 0x55555555,
                                        0x55555555, 0xffffff, 0x3);
                break;
        case 1:
                btc8821a1ant_coex_table(btcoexist, force_exec, 0x55555555,
                                        0x5a5a5a5a, 0xffffff, 0x3);
                break;
        case 2:
                btc8821a1ant_coex_table(btcoexist, force_exec, 0x5a5a5a5a,
                                        0x5a5a5a5a, 0xffffff, 0x3);
                break;
        case 3:
                btc8821a1ant_coex_table(btcoexist, force_exec, 0x5a5a5a5a,
                                        0xaaaaaaaa, 0xffffff, 0x3);
                break;
        case 4:
                btc8821a1ant_coex_table(btcoexist, force_exec, 0x55555555,
                                        0x5a5a5a5a, 0xffffff, 0x3);
                break;
        case 5:
                btc8821a1ant_coex_table(btcoexist, force_exec, 0x5a5a5a5a,
                                        0xaaaa5a5a, 0xffffff, 0x3);
                break;
        case 6:
                btc8821a1ant_coex_table(btcoexist, force_exec, 0x55555555,
                                        0xaaaa5a5a, 0xffffff, 0x3);
                break;
        case 7:
                btc8821a1ant_coex_table(btcoexist, force_exec, 0xaaaaaaaa,
                                        0xaaaaaaaa, 0xffffff, 0x3);
                break;
        default:
                break;
        }
}

static void btc8821a1ant_set_fw_ignore_wlan_act(struct btc_coexist *btcoexist,
                                                bool enable)
{
        struct rtl_priv *rtlpriv = btcoexist->adapter;
        u8 h2c_parameter[1] = {0};

        if (enable)
                h2c_parameter[0] |= BIT0; /* function enable */

        rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                "[BTCoex], set FW for BT Ignore Wlan_Act, FW write 0x63 = 0x%x\n",
                h2c_parameter[0]);

        btcoexist->btc_fill_h2c(btcoexist, 0x63, 1, h2c_parameter);
}

static void btc8821a1ant_ignore_wlan_act(struct btc_coexist *btcoexist,
                                         bool force_exec, bool enable)
{
        struct rtl_priv *rtlpriv = btcoexist->adapter;

        rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                "[BTCoex], %s turn Ignore WlanAct %s\n",
                (force_exec ? "force to" : ""), (enable ? "ON" : "OFF"));
        coex_dm->cur_ignore_wlan_act = enable;

        if (!force_exec) {
                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                        "[BTCoex], pre_ignore_wlan_act = %d, cur_ignore_wlan_act = %d!!\n",
                        coex_dm->pre_ignore_wlan_act,
                         coex_dm->cur_ignore_wlan_act);

                if (coex_dm->pre_ignore_wlan_act ==
                    coex_dm->cur_ignore_wlan_act)
                        return;
        }
        btc8821a1ant_set_fw_ignore_wlan_act(btcoexist, enable);

        coex_dm->pre_ignore_wlan_act = coex_dm->cur_ignore_wlan_act;
}

static void btc8821a1ant_set_fw_ps_tdma(struct btc_coexist *btcoexist, u8 byte1,
                                        u8 byte2, u8 byte3, u8 byte4, u8 byte5)
{
        struct rtl_priv *rtlpriv = btcoexist->adapter;
        u8 h2c_parameter[5] = {0};
        u8 real_byte1 = byte1, real_byte5 = byte5;
        bool ap_enable = false;

        btcoexist->btc_get(btcoexist, BTC_GET_BL_WIFI_AP_MODE_ENABLE,
                           &ap_enable);

        if (ap_enable) {
                if (byte1 & BIT4 && !(byte1 & BIT5)) {
                        rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                                "[BTCoex], FW for 1Ant AP mode\n");
                        real_byte1 &= ~BIT4;
                        real_byte1 |= BIT5;

                        real_byte5 |= BIT5;
                        real_byte5 &= ~BIT6;
                }
        }

        h2c_parameter[0] = real_byte1;
        h2c_parameter[1] = byte2;
        h2c_parameter[2] = byte3;
        h2c_parameter[3] = byte4;
        h2c_parameter[4] = real_byte5;

        coex_dm->ps_tdma_para[0] = real_byte1;
        coex_dm->ps_tdma_para[1] = byte2;
        coex_dm->ps_tdma_para[2] = byte3;
        coex_dm->ps_tdma_para[3] = byte4;
        coex_dm->ps_tdma_para[4] = real_byte5;

        rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                "[BTCoex], PS-TDMA H2C cmd =0x%x%08x\n",
                h2c_parameter[0],
                h2c_parameter[1] << 24 |
                h2c_parameter[2] << 16 |
                h2c_parameter[3] << 8 |
                h2c_parameter[4]);
        btcoexist->btc_fill_h2c(btcoexist, 0x60, 5, h2c_parameter);
}

static void btc8821a1ant_set_lps_rpwm(struct btc_coexist *btcoexist,
                                      u8 lps_val, u8 rpwm_val)
{
        u8 lps = lps_val;
        u8 rpwm = rpwm_val;

        btcoexist->btc_set(btcoexist, BTC_SET_U1_LPS_VAL, &lps);
        btcoexist->btc_set(btcoexist, BTC_SET_U1_RPWM_VAL, &rpwm);
}

static void btc8821a1ant_lps_rpwm(struct btc_coexist *btcoexist,
                                  bool force_exec, u8 lps_val, u8 rpwm_val)
{
        struct rtl_priv *rtlpriv = btcoexist->adapter;

        rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                "[BTCoex], %s set lps/rpwm = 0x%x/0x%x\n",
                (force_exec ? "force to" : ""), lps_val, rpwm_val);
        coex_dm->cur_lps = lps_val;
        coex_dm->cur_rpwm = rpwm_val;

        if (!force_exec) {
                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                        "[BTCoex], LPS-RxBeaconMode = 0x%x, LPS-RPWM = 0x%x!!\n",
                        coex_dm->cur_lps, coex_dm->cur_rpwm);

                if ((coex_dm->pre_lps == coex_dm->cur_lps) &&
                    (coex_dm->pre_rpwm == coex_dm->cur_rpwm)) {
                        rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                                "[BTCoex], LPS-RPWM_Last = 0x%x, LPS-RPWM_Now = 0x%x!!\n",
                                coex_dm->pre_rpwm, coex_dm->cur_rpwm);

                        return;
                }
        }
        btc8821a1ant_set_lps_rpwm(btcoexist, lps_val, rpwm_val);

        coex_dm->pre_lps = coex_dm->cur_lps;
        coex_dm->pre_rpwm = coex_dm->cur_rpwm;
}

static void btc8821a1ant_sw_mechanism(struct btc_coexist *btcoexist,
                                      bool low_penalty_ra)
{
        struct rtl_priv *rtlpriv = btcoexist->adapter;

        rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                "[BTCoex], SM[LpRA] = %d\n", low_penalty_ra);

        btc8821a1ant_low_penalty_ra(btcoexist, NORMAL_EXEC, low_penalty_ra);
}

static void btc8821a1ant_set_ant_path(struct btc_coexist *btcoexist,
                                      u8 ant_pos_type, bool init_hw_cfg,
                                      bool wifi_off)
{
        struct btc_board_info *board_info = &btcoexist->board_info;
        u32 u4_tmp = 0;
        u8 h2c_parameter[2] = {0};

        if (init_hw_cfg) {
                /* 0x4c[23] = 0, 0x4c[24] = 1  Antenna control by WL/BT */
                u4_tmp = btcoexist->btc_read_4byte(btcoexist, 0x4c);
                u4_tmp &= ~BIT23;
                u4_tmp |= BIT24;
                btcoexist->btc_write_4byte(btcoexist, 0x4c, u4_tmp);

                btcoexist->btc_write_1byte_bitmask(btcoexist, 0x975, 0x3, 0x3);
                btcoexist->btc_write_1byte(btcoexist, 0xcb4, 0x77);

                if (board_info->btdm_ant_pos == BTC_ANTENNA_AT_MAIN_PORT) {
                        /* tell firmware "antenna inverse"
                         * WRONG firmware antenna control code, need fw to fix
                         */
                        h2c_parameter[0] = 1;
                        h2c_parameter[1] = 1;
                        btcoexist->btc_fill_h2c(btcoexist, 0x65, 2,
                                                h2c_parameter);
                } else {
                        /* tell firmware "no antenna inverse"
                         * WRONG firmware antenna control code, need fw to fix
                         */
                        h2c_parameter[0] = 0;
                        h2c_parameter[1] = 1;
                        btcoexist->btc_fill_h2c(btcoexist, 0x65, 2,
                                                h2c_parameter);
                }
        } else if (wifi_off) {
                /* 0x4c[24:23] = 00, Set Antenna control
                 * by BT_RFE_CTRL BT Vendor 0xac = 0xf002
                 */
                u4_tmp = btcoexist->btc_read_4byte(btcoexist, 0x4c);
                u4_tmp &= ~BIT23;
                u4_tmp &= ~BIT24;
                btcoexist->btc_write_4byte(btcoexist, 0x4c, u4_tmp);

                /* 0x765 = 0x18 */
                btcoexist->btc_write_1byte_bitmask(btcoexist, 0x765, 0x18, 0x3);
        } else {
                /* 0x765 = 0x0 */
                btcoexist->btc_write_1byte_bitmask(btcoexist, 0x765, 0x18, 0x0);
        }

        /* ext switch setting */
        switch (ant_pos_type) {
        case BTC_ANT_PATH_WIFI:
                btcoexist->btc_write_1byte(btcoexist, 0xcb4, 0x77);
                if (board_info->btdm_ant_pos == BTC_ANTENNA_AT_MAIN_PORT)
                        btcoexist->btc_write_1byte_bitmask(btcoexist, 0xcb7,
                                                           0x30, 0x1);
                else
                        btcoexist->btc_write_1byte_bitmask(btcoexist, 0xcb7,
                                                           0x30, 0x2);
                break;
        case BTC_ANT_PATH_BT:
                btcoexist->btc_write_1byte(btcoexist, 0xcb4, 0x77);
                if (board_info->btdm_ant_pos == BTC_ANTENNA_AT_MAIN_PORT)
                        btcoexist->btc_write_1byte_bitmask(btcoexist, 0xcb7,
                                                           0x30, 0x2);
                else
                        btcoexist->btc_write_1byte_bitmask(btcoexist, 0xcb7,
                                                           0x30, 0x1);
                break;
        default:
        case BTC_ANT_PATH_PTA:
                btcoexist->btc_write_1byte(btcoexist, 0xcb4, 0x66);
                if (board_info->btdm_ant_pos == BTC_ANTENNA_AT_MAIN_PORT)
                        btcoexist->btc_write_1byte_bitmask(btcoexist, 0xcb7,
                                                           0x30, 0x1);
                else
                        btcoexist->btc_write_1byte_bitmask(btcoexist, 0xcb7,
                                                           0x30, 0x2);
                break;
        }
}

static void btc8821a1ant_ps_tdma(struct btc_coexist *btcoexist,
                                 bool force_exec, bool turn_on, u8 type)
{
        struct rtl_priv *rtlpriv = btcoexist->adapter;
        u8 rssi_adjust_val = 0;

        coex_dm->cur_ps_tdma_on = turn_on;
        coex_dm->cur_ps_tdma = type;

        if (!force_exec) {
                if (coex_dm->cur_ps_tdma_on) {
                        rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                                "[BTCoex], ********** TDMA(on, %d) **********\n",
                                coex_dm->cur_ps_tdma);
                } else {
                        rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                                "[BTCoex], ********** TDMA(off, %d) **********\n",
                                coex_dm->cur_ps_tdma);
                }
                if ((coex_dm->pre_ps_tdma_on == coex_dm->cur_ps_tdma_on) &&
                    (coex_dm->pre_ps_tdma == coex_dm->cur_ps_tdma))
                        return;
        }
        if (turn_on) {
                switch (type) {
                default:
                        btc8821a1ant_set_fw_ps_tdma(btcoexist, 0x51, 0x1a,
                                                    0x1a, 0x0, 0x50);
                        break;
                case 1:
                        btc8821a1ant_set_fw_ps_tdma(btcoexist, 0x51, 0x3a,
                                                    0x03, 0x10, 0x50);
                        rssi_adjust_val = 11;
                        break;
                case 2:
                        btc8821a1ant_set_fw_ps_tdma(btcoexist, 0x51, 0x2b,
                                                    0x03, 0x10, 0x50);
                        rssi_adjust_val = 14;
                        break;
                case 3:
                        btc8821a1ant_set_fw_ps_tdma(btcoexist, 0x51, 0x1d,
                                                    0x1d, 0x0, 0x10);
                        break;
                case 4:
                        btc8821a1ant_set_fw_ps_tdma(btcoexist, 0x93, 0x15,
                                                    0x3, 0x14, 0x0);
                        rssi_adjust_val = 17;
                        break;
                case 5:
                        btc8821a1ant_set_fw_ps_tdma(btcoexist, 0x61, 0x15,
                                                    0x3, 0x11, 0x10);
                        break;
                case 6:
                        btc8821a1ant_set_fw_ps_tdma(btcoexist, 0x61, 0x20,
                                                    0x3, 0x11, 0x13);
                        break;
                case 7:
                        btc8821a1ant_set_fw_ps_tdma(btcoexist, 0x13, 0xc,
                                                    0x5, 0x0, 0x0);
                        break;
                case 8:
                        btc8821a1ant_set_fw_ps_tdma(btcoexist, 0x93, 0x25,
                                                    0x3, 0x10, 0x0);
                        break;
                case 9:
                        btc8821a1ant_set_fw_ps_tdma(btcoexist, 0x51, 0x21,
                                                    0x3, 0x10, 0x50);
                        rssi_adjust_val = 18;
                        break;
                case 10:
                        btc8821a1ant_set_fw_ps_tdma(btcoexist, 0x13, 0xa,
                                                    0xa, 0x0, 0x40);
                        break;
                case 11:
                        btc8821a1ant_set_fw_ps_tdma(btcoexist, 0x51, 0x15,
                                                    0x03, 0x10, 0x50);
                        rssi_adjust_val = 20;
                        break;
                case 12:
                        btc8821a1ant_set_fw_ps_tdma(btcoexist, 0x51, 0x0a,
                                                    0x0a, 0x0, 0x50);
                        break;
                case 13:
                        btc8821a1ant_set_fw_ps_tdma(btcoexist, 0x51, 0x12,
                                                    0x12, 0x0, 0x50);
                        break;
                case 14:
                        btc8821a1ant_set_fw_ps_tdma(btcoexist, 0x51, 0x1e,
                                                    0x3, 0x10, 0x14);
                        break;
                case 15:
                        btc8821a1ant_set_fw_ps_tdma(btcoexist, 0x13, 0xa,
                                                    0x3, 0x8, 0x0);
                        break;
                case 16:
                        btc8821a1ant_set_fw_ps_tdma(btcoexist, 0x93, 0x15,
                                                    0x3, 0x10, 0x0);
                        rssi_adjust_val = 18;
                        break;
                case 18:
                        btc8821a1ant_set_fw_ps_tdma(btcoexist, 0x93, 0x25,
                                                    0x3, 0x10, 0x0);
                        rssi_adjust_val = 14;
                        break;
                case 20:
                        btc8821a1ant_set_fw_ps_tdma(btcoexist, 0x61, 0x35,
                                                    0x03, 0x11, 0x10);
                        break;
                case 21:
                        btc8821a1ant_set_fw_ps_tdma(btcoexist, 0x61, 0x25,
                                                    0x03, 0x11, 0x11);
                        break;
                case 22:
                        btc8821a1ant_set_fw_ps_tdma(btcoexist, 0x61, 0x25,
                                                    0x03, 0x11, 0x10);
                        break;
                case 23:
                        btc8821a1ant_set_fw_ps_tdma(btcoexist, 0xe3, 0x25,
                                                    0x3, 0x31, 0x18);
                        rssi_adjust_val = 22;
                        break;
                case 24:
                        btc8821a1ant_set_fw_ps_tdma(btcoexist, 0xe3, 0x15,
                                                    0x3, 0x31, 0x18);
                        rssi_adjust_val = 22;
                        break;
                case 25:
                        btc8821a1ant_set_fw_ps_tdma(btcoexist, 0xe3, 0xa,
                                                    0x3, 0x31, 0x18);
                        rssi_adjust_val = 22;
                        break;
                case 26:
                        btc8821a1ant_set_fw_ps_tdma(btcoexist, 0xe3, 0xa,
                                                    0x3, 0x31, 0x18);
                        rssi_adjust_val = 22;
                        break;
                case 27:
                        btc8821a1ant_set_fw_ps_tdma(btcoexist, 0xe3, 0x25,
                                                    0x3, 0x31, 0x98);
                        rssi_adjust_val = 22;
                        break;
                case 28:
                        btc8821a1ant_set_fw_ps_tdma(btcoexist, 0x69, 0x25,
                                                    0x3, 0x31, 0x0);
                        break;
                case 29:
                        btc8821a1ant_set_fw_ps_tdma(btcoexist, 0xab, 0x1a,
                                                    0x1a, 0x1, 0x10);
                        break;
                case 30:
                        btc8821a1ant_set_fw_ps_tdma(btcoexist, 0x51, 0x30,
                                                    0x3, 0x10, 0x10);
                        break;
                case 31:
                        btc8821a1ant_set_fw_ps_tdma(btcoexist, 0xd3, 0x1a,
                                                    0x1a, 0, 0x58);
                        break;
                case 32:
                        btc8821a1ant_set_fw_ps_tdma(btcoexist, 0x61, 0x35,
                                                    0x3, 0x11, 0x11);
                        break;
                case 33:
                        btc8821a1ant_set_fw_ps_tdma(btcoexist, 0xa3, 0x25,
                                                    0x3, 0x30, 0x90);
                        break;
                case 34:
                        btc8821a1ant_set_fw_ps_tdma(btcoexist, 0x53, 0x1a,
                                                    0x1a, 0x0, 0x10);
                        break;
                case 35:
                        btc8821a1ant_set_fw_ps_tdma(btcoexist, 0x63, 0x1a,
                                                    0x1a, 0x0, 0x10);
                        break;
                case 36:
                        btc8821a1ant_set_fw_ps_tdma(btcoexist, 0xd3, 0x12,
                                                    0x3, 0x14, 0x50);
                        break;
                case 40:
                        /* SoftAP only with no sta associated, BT disable, TDMA
                         * mode for power saving
                         *
                         * here softap mode screen off will cost 70-80mA for
                         * phone
                         */
                        btc8821a1ant_set_fw_ps_tdma(btcoexist, 0x23, 0x18,
                                                    0x00, 0x10, 0x24);
                        break;
                case 41:
                        btc8821a1ant_set_fw_ps_tdma(btcoexist, 0x51, 0x15,
                                                    0x3, 0x11, 0x11);
                        break;
                case 42:
                        btc8821a1ant_set_fw_ps_tdma(btcoexist, 0x51, 0x20,
                                                    0x3, 0x11, 0x11);
                        break;
                case 43:
                        btc8821a1ant_set_fw_ps_tdma(btcoexist, 0x51, 0x30,
                                                    0x3, 0x10, 0x11);
                        break;
                }
        } else {
                /* disable PS tdma */
                switch (type) {
                case 8:
                        /* PTA Control */
                        btc8821a1ant_set_fw_ps_tdma(btcoexist, 0x8, 0x0, 0x0,
                                                    0x0, 0x0);
                        btc8821a1ant_set_ant_path(btcoexist, BTC_ANT_PATH_PTA,
                                                  false, false);
                        break;
                case 0:
                default:
                        /* Software control, Antenna at BT side */
                        btc8821a1ant_set_fw_ps_tdma(btcoexist, 0x0, 0x0, 0x0,
                                                    0x0, 0x0);
                        btc8821a1ant_set_ant_path(btcoexist, BTC_ANT_PATH_BT,
                                                  false, false);
                        break;
                case 9:
                        /* Software control, Antenna at WiFi side */
                        btc8821a1ant_set_fw_ps_tdma(btcoexist, 0x0, 0x0, 0x0,
                                                    0x0, 0x0);
                        btc8821a1ant_set_ant_path(btcoexist, BTC_ANT_PATH_WIFI,
                                                  false, false);
                        break;
                case 10:
                        /* under 5G */
                        btc8821a1ant_set_fw_ps_tdma(btcoexist, 0x0, 0x0, 0x0,
                                                    0x8, 0x0);
                        btc8821a1ant_set_ant_path(btcoexist, BTC_ANT_PATH_BT,
                                                  false, false);
                        break;
                }
        }
        rssi_adjust_val = 0;
        btcoexist->btc_set(btcoexist,
                 BTC_SET_U1_RSSI_ADJ_VAL_FOR_1ANT_COEX_TYPE, &rssi_adjust_val);

        /* update pre state */
        coex_dm->pre_ps_tdma_on = coex_dm->cur_ps_tdma_on;
        coex_dm->pre_ps_tdma = coex_dm->cur_ps_tdma;
}

static bool btc8821a1ant_is_common_action(struct btc_coexist *btcoexist)
{
        struct rtl_priv *rtlpriv = btcoexist->adapter;
        bool common = false, wifi_connected = false, wifi_busy = false;

        btcoexist->btc_get(btcoexist, BTC_GET_BL_WIFI_CONNECTED,
                           &wifi_connected);
        btcoexist->btc_get(btcoexist, BTC_GET_BL_WIFI_BUSY, &wifi_busy);

        if (!wifi_connected &&
            BT_8821A_1ANT_BT_STATUS_NON_CONNECTED_IDLE ==
            coex_dm->bt_status) {
                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                        "[BTCoex], Wifi non connected-idle + BT non connected-idle!!\n");
                btc8821a1ant_sw_mechanism(btcoexist, false);

                common = true;
        } else if (wifi_connected &&
                   (BT_8821A_1ANT_BT_STATUS_NON_CONNECTED_IDLE ==
                    coex_dm->bt_status)) {
                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                        "[BTCoex], Wifi connected + BT non connected-idle!!\n");
                btc8821a1ant_sw_mechanism(btcoexist, false);

                common = true;
        } else if (!wifi_connected &&
                   (BT_8821A_1ANT_BT_STATUS_CONNECTED_IDLE ==
                    coex_dm->bt_status)) {
                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                        "[BTCoex], Wifi non connected-idle + BT connected-idle!!\n");
                btc8821a1ant_sw_mechanism(btcoexist, false);

                common = true;
        } else if (wifi_connected &&
                   (BT_8821A_1ANT_BT_STATUS_CONNECTED_IDLE ==
                    coex_dm->bt_status)) {
                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                        "[BTCoex], Wifi connected + BT connected-idle!!\n");
                btc8821a1ant_sw_mechanism(btcoexist, false);

                common = true;
        } else if (!wifi_connected &&
                   (BT_8821A_1ANT_BT_STATUS_CONNECTED_IDLE !=
                    coex_dm->bt_status)) {
                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                        "[BTCoex], Wifi non connected-idle + BT Busy!!\n");
                btc8821a1ant_sw_mechanism(btcoexist, false);

                common = true;
        } else {
                if (wifi_busy) {
                        rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                                "[BTCoex], Wifi Connected-Busy + BT Busy!!\n");
                } else {
                        rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                                "[BTCoex], Wifi Connected-Idle + BT Busy!!\n");
                }

                common = false;
        }

        return common;
}

static void btc8821a1ant_ps_tdma_check_for_pwr_save(struct btc_coexist *btcoex,
                                                    bool new_ps_state)
{
        u8 lps_mode = 0x0;

        btcoex->btc_get(btcoex, BTC_GET_U1_LPS_MODE, &lps_mode);

        if (lps_mode) {
                /* already under LPS state */
                if (new_ps_state) {
                        /* keep state under LPS, do nothing */
                } else {
                        /* will leave LPS state, turn off psTdma first */
                        btc8821a1ant_ps_tdma(btcoex, NORMAL_EXEC, false, 0);
                }
        } else {
                /* NO PS state*/
                if (new_ps_state) {
                        /* will enter LPS state, turn off psTdma first */
                        btc8821a1ant_ps_tdma(btcoex, NORMAL_EXEC, false, 0);
                } else {
                        /* keep state under NO PS state, do nothing */
                }
        }
}

static void btc8821a1ant_power_save_state(struct btc_coexist *btcoexist,
                                          u8 ps_type, u8 lps_val, u8 rpwm_val)
{
        bool low_pwr_disable = false;

        switch (ps_type) {
        case BTC_PS_WIFI_NATIVE:
                /* recover to original 32k low power setting */
                low_pwr_disable = false;
                btcoexist->btc_set(btcoexist, BTC_SET_ACT_DISABLE_LOW_POWER,
                                   &low_pwr_disable);
                btcoexist->btc_set(btcoexist, BTC_SET_ACT_NORMAL_LPS, NULL);
                break;
        case BTC_PS_LPS_ON:
                btc8821a1ant_ps_tdma_check_for_pwr_save(btcoexist,
                                                        true);
                btc8821a1ant_lps_rpwm(btcoexist, NORMAL_EXEC, lps_val,
                                      rpwm_val);
                /* when coex force to enter LPS, do not enter 32k low power */
                low_pwr_disable = true;
                btcoexist->btc_set(btcoexist, BTC_SET_ACT_DISABLE_LOW_POWER,
                                   &low_pwr_disable);
                /* power save must executed before psTdma */
                btcoexist->btc_set(btcoexist, BTC_SET_ACT_ENTER_LPS, NULL);
                break;
        case BTC_PS_LPS_OFF:
                btc8821a1ant_ps_tdma_check_for_pwr_save(btcoexist, false);
                btcoexist->btc_set(btcoexist, BTC_SET_ACT_LEAVE_LPS, NULL);
                break;
        default:
                break;
        }
}

static void btc8821a1ant_coex_under_5g(struct btc_coexist *btcoexist)
{
        btc8821a1ant_power_save_state(btcoexist, BTC_PS_WIFI_NATIVE,
                                      0x0, 0x0);
        btc8821a1ant_ignore_wlan_act(btcoexist, NORMAL_EXEC, true);

        btc8821a1ant_ps_tdma(btcoexist, NORMAL_EXEC, false, 10);

        btc8821a1ant_coex_table_with_type(btcoexist, NORMAL_EXEC, 0);

        btc8821a1ant_limited_tx(btcoexist, NORMAL_EXEC, 0, 0, 0, 0);

        btc8821a1ant_limited_rx(btcoexist, NORMAL_EXEC, false, false, 5);
}

/***********************************************
 *
 *      Software Coex Mechanism start
 *
 ***********************************************/

/* SCO only or SCO+PAN(HS) */
static void btc8821a1ant_action_sco(struct btc_coexist *btcoexist)
{
        btc8821a1ant_sw_mechanism(btcoexist, true);
}

static void btc8821a1ant_action_hid(struct btc_coexist *btcoexist)
{
        btc8821a1ant_sw_mechanism(btcoexist, true);
}

/* A2DP only / PAN(EDR) only/ A2DP+PAN(HS) */
static void btc8821a1ant_action_a2dp(struct btc_coexist *btcoexist)
{
        btc8821a1ant_sw_mechanism(btcoexist, false);
}

static void btc8821a1ant_action_a2dp_pan_hs(struct btc_coexist *btcoexist)
{
        btc8821a1ant_sw_mechanism(btcoexist, false);
}

static void btc8821a1ant_action_pan_edr(struct btc_coexist *btcoexist)
{
        btc8821a1ant_sw_mechanism(btcoexist, false);
}

/* PAN(HS) only */
static void btc8821a1ant_action_pan_hs(struct btc_coexist *btcoexist)
{
        btc8821a1ant_sw_mechanism(btcoexist, false);
}

/* PAN(EDR)+A2DP */
static void btc8821a1ant_action_pan_edr_a2dp(struct btc_coexist *btcoexist)
{
        btc8821a1ant_sw_mechanism(btcoexist, false);
}

static void btc8821a1ant_action_pan_edr_hid(struct btc_coexist *btcoexist)
{
        btc8821a1ant_sw_mechanism(btcoexist, true);
}

/* HID+A2DP+PAN(EDR) */
static void btc8821a1ant_action_hid_a2dp_pan_edr(struct btc_coexist *btcoexist)
{
        btc8821a1ant_sw_mechanism(btcoexist, true);
}

static void btc8821a1ant_action_hid_a2dp(struct btc_coexist *btcoexist)
{
        btc8821a1ant_sw_mechanism(btcoexist, true);
}

/***********************************************
 *
 *      Non-Software Coex Mechanism start
 *
 ***********************************************/
static
void btc8821a1ant_action_wifi_multi_port(struct btc_coexist *btcoexist)
{
        struct btc_bt_link_info *bt_link_info = &btcoexist->bt_link_info;

        btc8821a1ant_power_save_state(btcoexist, BTC_PS_WIFI_NATIVE, 0x0, 0x0);
        /* tdma and coex table */
        if (coex_dm->bt_status == BT_8821A_1ANT_BT_STATUS_ACL_BUSY) {
                if (bt_link_info->a2dp_exist) {
                        btc8821a1ant_ps_tdma(btcoexist, NORMAL_EXEC, true, 14);
                        btc8821a1ant_coex_table_with_type(btcoexist,
                                                          NORMAL_EXEC, 1);
                } else if (bt_link_info->a2dp_exist &&
                           bt_link_info->pan_exist) {
                        btc8821a1ant_ps_tdma(btcoexist, NORMAL_EXEC, false, 8);
                        btc8821a1ant_coex_table_with_type(btcoexist,
                                                          NORMAL_EXEC, 4);
                } else {
                        btc8821a1ant_ps_tdma(btcoexist, NORMAL_EXEC, true, 20);
                        btc8821a1ant_coex_table_with_type(btcoexist,
                                                          NORMAL_EXEC, 4);
                }
        } else if ((coex_dm->bt_status == BT_8821A_1ANT_BT_STATUS_SCO_BUSY) ||
                   (BT_8821A_1ANT_BT_STATUS_ACL_SCO_BUSY ==
                    coex_dm->bt_status)) {
                btc8821a1ant_act_bt_sco_hid_only_busy(btcoexist,
                                BT_8821A_1ANT_WIFI_STATUS_CONNECTED_SCAN);
        } else {
                btc8821a1ant_ps_tdma(btcoexist, NORMAL_EXEC, false, 8);
                btc8821a1ant_coex_table_with_type(btcoexist, NORMAL_EXEC, 2);
        }
}

static
void btc8821a1ant_action_wifi_not_connected_asso_auth(
                                        struct btc_coexist *btcoexist)
{
        struct btc_bt_link_info *bt_link_info = &btcoexist->bt_link_info;

        btc8821a1ant_power_save_state(btcoexist, BTC_PS_WIFI_NATIVE, 0x0,
                                      0x0);

        /* tdma and coex table */
        if ((bt_link_info->sco_exist) || (bt_link_info->hid_exist)) {
                btc8821a1ant_ps_tdma(btcoexist, NORMAL_EXEC, true, 14);
                btc8821a1ant_coex_table_with_type(btcoexist, NORMAL_EXEC, 1);
        } else if ((bt_link_info->a2dp_exist) || (bt_link_info->pan_exist)) {
                btc8821a1ant_ps_tdma(btcoexist, NORMAL_EXEC, true, 20);
                btc8821a1ant_coex_table_with_type(btcoexist, NORMAL_EXEC, 4);
        } else {
                btc8821a1ant_ps_tdma(btcoexist, NORMAL_EXEC, false, 8);
                btc8821a1ant_coex_table_with_type(btcoexist, NORMAL_EXEC, 2);
        }
}


static void btc8821a1ant_action_hs(struct btc_coexist *btcoexist)
{
        btc8821a1ant_ps_tdma(btcoexist, NORMAL_EXEC, true, 5);
        btc8821a1ant_coex_table_with_type(btcoexist, FORCE_EXEC, 2);
}

static void btc8821a1ant_action_bt_inquiry(struct btc_coexist *btcoexist)
{
        struct btc_bt_link_info *bt_link_info = &btcoexist->bt_link_info;
        bool wifi_connected = false;
        bool ap_enable = false;
        bool wifi_busy = false, bt_busy = false;

        btcoexist->btc_get(btcoexist, BTC_GET_BL_WIFI_CONNECTED,
                           &wifi_connected);
        btcoexist->btc_get(btcoexist, BTC_GET_BL_WIFI_AP_MODE_ENABLE,
                           &ap_enable);
        btcoexist->btc_get(btcoexist, BTC_GET_BL_WIFI_BUSY, &wifi_busy);
        btcoexist->btc_set(btcoexist, BTC_SET_BL_BT_TRAFFIC_BUSY, &bt_busy);

        if (!wifi_connected && !coex_sta->wifi_is_high_pri_task) {
                btc8821a1ant_power_save_state(btcoexist,
                                              BTC_PS_WIFI_NATIVE, 0x0, 0x0);
                btc8821a1ant_ps_tdma(btcoexist, NORMAL_EXEC, false, 8);
                btc8821a1ant_coex_table_with_type(btcoexist, NORMAL_EXEC, 0);
        } else if ((bt_link_info->sco_exist) || (bt_link_info->a2dp_exist) ||
                   (bt_link_info->hid_only)) {
                /* SCO/HID-only busy */
                btc8821a1ant_power_save_state(btcoexist,
                                              BTC_PS_WIFI_NATIVE, 0x0, 0x0);
                btc8821a1ant_ps_tdma(btcoexist, NORMAL_EXEC, true, 32);
                btc8821a1ant_coex_table_with_type(btcoexist, NORMAL_EXEC, 4);
        } else if ((bt_link_info->a2dp_exist) && (bt_link_info->hid_exist)) {
                /* A2DP+HID busy */
                btc8821a1ant_power_save_state(btcoexist, BTC_PS_WIFI_NATIVE,
                                              0x0, 0x0);
                btc8821a1ant_ps_tdma(btcoexist, NORMAL_EXEC, true, 14);

                btc8821a1ant_coex_table_with_type(btcoexist, NORMAL_EXEC, 1);
        } else if ((bt_link_info->pan_exist) || (wifi_busy)) {
                btc8821a1ant_power_save_state(btcoexist, BTC_PS_WIFI_NATIVE,
                                              0x0, 0x0);
                btc8821a1ant_ps_tdma(btcoexist, NORMAL_EXEC, true, 20);

                btc8821a1ant_coex_table_with_type(btcoexist, NORMAL_EXEC, 4);
        } else {
                btc8821a1ant_power_save_state(btcoexist, BTC_PS_WIFI_NATIVE,
                                              0x0, 0x0);
                btc8821a1ant_ps_tdma(btcoexist, NORMAL_EXEC, false, 8);
                btc8821a1ant_coex_table_with_type(btcoexist, NORMAL_EXEC, 7);
        }
}

static void btc8821a1ant_act_bt_sco_hid_only_busy(struct btc_coexist *btcoexist,
                                                  u8 wifi_status)
{
        /* tdma and coex table */
        btc8821a1ant_ps_tdma(btcoexist, NORMAL_EXEC, true, 5);

        btc8821a1ant_coex_table_with_type(btcoexist, NORMAL_EXEC, 1);
}

static void btc8821a1ant_act_wifi_con_bt_acl_busy(struct btc_coexist *btcoexist,
                                                  u8 wifi_status)
{
        u8 bt_rssi_state;

        struct btc_bt_link_info *bt_link_info = &btcoexist->bt_link_info;

        bt_rssi_state = btc8821a1ant_bt_rssi_state(btcoexist, 2, 28, 0);

        if (bt_link_info->hid_only) {
                /* HID */
                btc8821a1ant_act_bt_sco_hid_only_busy(btcoexist,
                                                      wifi_status);
                coex_dm->auto_tdma_adjust = false;
                return;
        } else if (bt_link_info->a2dp_only) {
                /* A2DP */
                if (wifi_status == BT_8821A_1ANT_WIFI_STATUS_CONNECTED_IDLE) {
                        btc8821a1ant_ps_tdma(btcoexist, NORMAL_EXEC, true, 32);
                        btc8821a1ant_coex_table_with_type(btcoexist,
                                                          NORMAL_EXEC, 1);
                        coex_dm->auto_tdma_adjust = false;
                } else if ((bt_rssi_state != BTC_RSSI_STATE_HIGH) &&
                           (bt_rssi_state == BTC_RSSI_STATE_STAY_HIGH)) {
                        btc8821a1ant_ps_tdma(btcoexist, NORMAL_EXEC, true, 14);
                        btc8821a1ant_coex_table_with_type(btcoexist,
                                                          NORMAL_EXEC, 1);
                } else {
                        /* for low BT RSSI */
                        btc8821a1ant_ps_tdma(btcoexist, NORMAL_EXEC, true, 14);
                        btc8821a1ant_coex_table_with_type(btcoexist,
                                                          NORMAL_EXEC, 1);
                        coex_dm->auto_tdma_adjust = false;
                }
        } else if (bt_link_info->hid_exist && bt_link_info->a2dp_exist) {
                /* HID+A2DP (no need to consider BT RSSI) */
                btc8821a1ant_ps_tdma(btcoexist, NORMAL_EXEC,
                                     true, 14);
                coex_dm->auto_tdma_adjust = false;

                btc8821a1ant_coex_table_with_type(btcoexist, NORMAL_EXEC, 1);
        } else if ((bt_link_info->pan_only) ||
                (bt_link_info->hid_exist && bt_link_info->pan_exist)) {
                /* PAN(OPP, FTP), HID+PAN(OPP, FTP) */
                btc8821a1ant_ps_tdma(btcoexist, NORMAL_EXEC, true, 3);
                btc8821a1ant_coex_table_with_type(btcoexist, NORMAL_EXEC, 6);
                coex_dm->auto_tdma_adjust = false;
        } else if (((bt_link_info->a2dp_exist) && (bt_link_info->pan_exist)) ||
                   (bt_link_info->hid_exist && bt_link_info->a2dp_exist &&
                    bt_link_info->pan_exist)) {
                /* A2DP+PAN(OPP, FTP), HID+A2DP+PAN(OPP, FTP) */
                btc8821a1ant_ps_tdma(btcoexist, NORMAL_EXEC, true, 43);
                btc8821a1ant_coex_table_with_type(btcoexist, NORMAL_EXEC, 1);
                coex_dm->auto_tdma_adjust = false;
        } else {
                btc8821a1ant_ps_tdma(btcoexist, NORMAL_EXEC, true, 11);
                btc8821a1ant_coex_table_with_type(btcoexist, NORMAL_EXEC, 1);
                coex_dm->auto_tdma_adjust = false;
        }
}

static
void btc8821a1ant_action_wifi_not_connected(struct btc_coexist *btcoexist)
{
        /* power save state */
        btc8821a1ant_power_save_state(btcoexist, BTC_PS_WIFI_NATIVE, 0x0, 0x0);

        /* tdma and coex table */
        btc8821a1ant_ps_tdma(btcoexist, NORMAL_EXEC, false, 8);
        btc8821a1ant_coex_table_with_type(btcoexist, NORMAL_EXEC, 0);
}

static void btc8821a1ant_act_wifi_not_conn_scan(struct btc_coexist *btcoexist)
{
        struct btc_bt_link_info *bt_link_info = &btcoexist->bt_link_info;

        btc8821a1ant_power_save_state(btcoexist, BTC_PS_WIFI_NATIVE, 0x0, 0x0);

        /* tdma and coex table */
        if (coex_dm->bt_status == BT_8821A_1ANT_BT_STATUS_ACL_BUSY) {
                if (bt_link_info->a2dp_exist) {
                        btc8821a1ant_ps_tdma(btcoexist, NORMAL_EXEC, true, 14);
                        btc8821a1ant_coex_table_with_type(btcoexist,
                                                          NORMAL_EXEC, 1);
                } else if (bt_link_info->a2dp_exist &&
                           bt_link_info->pan_exist) {
                        btc8821a1ant_ps_tdma(btcoexist, NORMAL_EXEC, true, 22);
                        btc8821a1ant_coex_table_with_type(btcoexist,
                                                          NORMAL_EXEC, 4);
                } else {
                        btc8821a1ant_ps_tdma(btcoexist, NORMAL_EXEC, true, 20);
                        btc8821a1ant_coex_table_with_type(btcoexist,
                                                          NORMAL_EXEC, 4);
                }
        } else if ((coex_dm->bt_status == BT_8821A_1ANT_BT_STATUS_SCO_BUSY) ||
                   (BT_8821A_1ANT_BT_STATUS_ACL_SCO_BUSY ==
                    coex_dm->bt_status)) {
                btc8821a1ant_act_bt_sco_hid_only_busy(btcoexist,
                                BT_8821A_1ANT_WIFI_STATUS_CONNECTED_SCAN);
        } else {
                btc8821a1ant_ps_tdma(btcoexist, NORMAL_EXEC, false, 8);
                btc8821a1ant_coex_table_with_type(btcoexist, NORMAL_EXEC, 2);
        }
}

static
void btc8821a1ant_action_wifi_connected_scan(struct btc_coexist *btcoexist)
{
        struct btc_bt_link_info *bt_link_info = &btcoexist->bt_link_info;

        /* power save state */
        btc8821a1ant_power_save_state(btcoexist,
                                      BTC_PS_WIFI_NATIVE, 0x0, 0x0);

        /* tdma and coex table */
        if (BT_8821A_1ANT_BT_STATUS_ACL_BUSY == coex_dm->bt_status) {
                if (bt_link_info->a2dp_exist) {
                        btc8821a1ant_ps_tdma(btcoexist, NORMAL_EXEC, true, 14);
                        btc8821a1ant_coex_table_with_type(btcoexist,
                                                          NORMAL_EXEC, 1);
                } else {
                        btc8821a1ant_ps_tdma(btcoexist, NORMAL_EXEC, true, 20);
                        btc8821a1ant_coex_table_with_type(btcoexist,
                                                          NORMAL_EXEC, 4);
                }
        } else if ((coex_dm->bt_status == BT_8821A_1ANT_BT_STATUS_SCO_BUSY) ||
                   (coex_dm->bt_status ==
                    BT_8821A_1ANT_BT_STATUS_ACL_SCO_BUSY)) {
                btc8821a1ant_act_bt_sco_hid_only_busy(btcoexist,
                        BT_8821A_1ANT_WIFI_STATUS_CONNECTED_SCAN);
        } else {
                btc8821a1ant_ps_tdma(btcoexist, NORMAL_EXEC, false, 8);
                btc8821a1ant_coex_table_with_type(btcoexist, NORMAL_EXEC, 2);
        }
}

static void btc8821a1ant_act_wifi_conn_sp_pkt(struct btc_coexist *btcoexist)
{
        struct btc_bt_link_info *bt_link_info = &btcoexist->bt_link_info;

        btc8821a1ant_power_save_state(btcoexist, BTC_PS_WIFI_NATIVE,
                                      0x0, 0x0);

        /* tdma and coex table */
        if ((bt_link_info->sco_exist) || (bt_link_info->hid_exist) ||
            (bt_link_info->a2dp_exist)) {
                btc8821a1ant_ps_tdma(btcoexist, NORMAL_EXEC, true, 32);
                btc8821a1ant_coex_table_with_type(btcoexist, NORMAL_EXEC, 4);
        }

        if ((bt_link_info->hid_exist) && (bt_link_info->a2dp_exist)) {
                btc8821a1ant_ps_tdma(btcoexist, NORMAL_EXEC, true, 14);
                btc8821a1ant_coex_table_with_type(btcoexist, NORMAL_EXEC, 1);
        } else if (bt_link_info->pan_exist) {
                btc8821a1ant_ps_tdma(btcoexist, NORMAL_EXEC, true, 20);
                btc8821a1ant_coex_table_with_type(btcoexist, NORMAL_EXEC, 4);
        } else {
                btc8821a1ant_ps_tdma(btcoexist, NORMAL_EXEC, false, 8);
                btc8821a1ant_coex_table_with_type(btcoexist, NORMAL_EXEC, 2);
        }
}

static void btc8821a1ant_action_wifi_connected(struct btc_coexist *btcoexist)
{
        struct rtl_priv *rtlpriv = btcoexist->adapter;
        bool wifi_busy = false;
        bool scan = false, link = false, roam = false;
        bool under_4way = false;
        bool ap_enable = false;

        rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                "[BTCoex], CoexForWifiConnect()===>\n");

        btcoexist->btc_get(btcoexist, BTC_GET_BL_WIFI_4_WAY_PROGRESS,
                           &under_4way);
        if (under_4way) {
                btc8821a1ant_act_wifi_conn_sp_pkt(btcoexist);
                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                        "[BTCoex], CoexForWifiConnect(), return for wifi is under 4way<===\n");
                return;
        }

        btcoexist->btc_get(btcoexist, BTC_GET_BL_WIFI_SCAN, &scan);
        btcoexist->btc_get(btcoexist, BTC_GET_BL_WIFI_LINK, &link);
        btcoexist->btc_get(btcoexist, BTC_GET_BL_WIFI_ROAM, &roam);
        if (scan || link || roam) {
                if (scan)
                        btc8821a1ant_action_wifi_connected_scan(btcoexist);
                else
                        btc8821a1ant_act_wifi_conn_sp_pkt(btcoexist);

                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                        "[BTCoex], CoexForWifiConnect(), return for wifi is under scan<===\n");
                return;
        }

        /* power save state*/
        btcoexist->btc_get(btcoexist, BTC_GET_BL_WIFI_AP_MODE_ENABLE,
                           &ap_enable);
        btcoexist->btc_get(btcoexist, BTC_GET_BL_WIFI_BUSY, &wifi_busy);
        if (BT_8821A_1ANT_BT_STATUS_ACL_BUSY ==
            coex_dm->bt_status && !ap_enable &&
            !btcoexist->bt_link_info.hid_only) {
                if (!wifi_busy && btcoexist->bt_link_info.a2dp_only)
                        /* A2DP */
                        btc8821a1ant_power_save_state(btcoexist,
                                                BTC_PS_WIFI_NATIVE, 0x0, 0x0);
                else
                        btc8821a1ant_power_save_state(btcoexist, BTC_PS_LPS_ON,
                                                      0x50, 0x4);
        } else {
                btc8821a1ant_power_save_state(btcoexist,
                                              BTC_PS_WIFI_NATIVE,
                                              0x0, 0x0);
        }

        /* tdma and coex table */
        if (!wifi_busy) {
                if (BT_8821A_1ANT_BT_STATUS_ACL_BUSY == coex_dm->bt_status) {
                        btc8821a1ant_act_wifi_con_bt_acl_busy(btcoexist,
                                BT_8821A_1ANT_WIFI_STATUS_CONNECTED_IDLE);
                } else if ((BT_8821A_1ANT_BT_STATUS_SCO_BUSY ==
                            coex_dm->bt_status) ||
                           (BT_8821A_1ANT_BT_STATUS_ACL_SCO_BUSY ==
                            coex_dm->bt_status)) {
                        btc8821a1ant_act_bt_sco_hid_only_busy(btcoexist,
                                BT_8821A_1ANT_WIFI_STATUS_CONNECTED_IDLE);
                } else {
                        btc8821a1ant_ps_tdma(btcoexist, NORMAL_EXEC, false, 8);
                        btc8821a1ant_coex_table_with_type(btcoexist,
                                                          NORMAL_EXEC, 2);
                }
        } else {
                if (BT_8821A_1ANT_BT_STATUS_ACL_BUSY == coex_dm->bt_status) {
                        btc8821a1ant_act_wifi_con_bt_acl_busy(btcoexist,
                                BT_8821A_1ANT_WIFI_STATUS_CONNECTED_BUSY);
                } else if ((BT_8821A_1ANT_BT_STATUS_SCO_BUSY ==
                            coex_dm->bt_status) ||
                           (BT_8821A_1ANT_BT_STATUS_ACL_SCO_BUSY ==
                            coex_dm->bt_status)) {
                        btc8821a1ant_act_bt_sco_hid_only_busy(btcoexist,
                                BT_8821A_1ANT_WIFI_STATUS_CONNECTED_BUSY);
                } else {
                        btc8821a1ant_ps_tdma(btcoexist, NORMAL_EXEC, false, 8);
                        btc8821a1ant_coex_table_with_type(btcoexist,
                                                          NORMAL_EXEC, 2);
                }
        }
}

static void btc8821a1ant_run_sw_coex_mech(struct btc_coexist *btcoexist)
{
        struct rtl_priv *rtlpriv = btcoexist->adapter;
        u8 algorithm = 0;

        algorithm = btc8821a1ant_action_algorithm(btcoexist);
        coex_dm->cur_algorithm = algorithm;

        if (!btc8821a1ant_is_common_action(btcoexist)) {
                switch (coex_dm->cur_algorithm) {
                case BT_8821A_1ANT_COEX_ALGO_SCO:
                        rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                                "[BTCoex], Action algorithm = SCO\n");
                        btc8821a1ant_action_sco(btcoexist);
                        break;
                case BT_8821A_1ANT_COEX_ALGO_HID:
                        rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                                "[BTCoex], Action algorithm = HID\n");
                        btc8821a1ant_action_hid(btcoexist);
                        break;
                case BT_8821A_1ANT_COEX_ALGO_A2DP:
                        rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                                "[BTCoex], Action algorithm = A2DP\n");
                        btc8821a1ant_action_a2dp(btcoexist);
                        break;
                case BT_8821A_1ANT_COEX_ALGO_A2DP_PANHS:
                        rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                                "[BTCoex], Action algorithm = A2DP+PAN(HS)\n");
                        btc8821a1ant_action_a2dp_pan_hs(btcoexist);
                        break;
                case BT_8821A_1ANT_COEX_ALGO_PANEDR:
                        rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                                "[BTCoex], Action algorithm = PAN(EDR)\n");
                        btc8821a1ant_action_pan_edr(btcoexist);
                        break;
                case BT_8821A_1ANT_COEX_ALGO_PANHS:
                        rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                                "[BTCoex], Action algorithm = HS mode\n");
                        btc8821a1ant_action_pan_hs(btcoexist);
                        break;
                case BT_8821A_1ANT_COEX_ALGO_PANEDR_A2DP:
                        rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                                "[BTCoex], Action algorithm = PAN+A2DP\n");
                        btc8821a1ant_action_pan_edr_a2dp(btcoexist);
                        break;
                case BT_8821A_1ANT_COEX_ALGO_PANEDR_HID:
                        rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                                "[BTCoex], Action algorithm = PAN(EDR)+HID\n");
                        btc8821a1ant_action_pan_edr_hid(btcoexist);
                        break;
                case BT_8821A_1ANT_COEX_ALGO_HID_A2DP_PANEDR:
                        rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                                "[BTCoex], Action algorithm = HID+A2DP+PAN\n");
                        btc8821a1ant_action_hid_a2dp_pan_edr(btcoexist);
                        break;
                case BT_8821A_1ANT_COEX_ALGO_HID_A2DP:
                        rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                                "[BTCoex], Action algorithm = HID+A2DP\n");
                        btc8821a1ant_action_hid_a2dp(btcoexist);
                        break;
                default:
                        rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                                "[BTCoex], Action algorithm = coexist All Off!!\n");
                        /*btc8821a1ant_coex_all_off(btcoexist);*/
                        break;
                }
                coex_dm->pre_algorithm = coex_dm->cur_algorithm;
        }
}

static void btc8821a1ant_run_coexist_mechanism(struct btc_coexist *btcoexist)
{
        struct rtl_priv *rtlpriv = btcoexist->adapter;
        struct btc_bt_link_info *bt_link_info = &btcoexist->bt_link_info;
        bool wifi_connected = false, bt_hs_on = false;
        bool increase_scan_dev_num = false;
        bool bt_ctrl_agg_buf_size = false;
        u8 agg_buf_size = 5;
        u32 wifi_link_status = 0;
        u32 num_of_wifi_link = 0;
        bool wifi_under_5g = false;

        rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                "[BTCoex], RunCoexistMechanism()===>\n");

        if (btcoexist->manual_control) {
                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                        "[BTCoex], RunCoexistMechanism(), return for Manual CTRL <===\n");
                return;
        }

        if (btcoexist->stop_coex_dm) {
                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                        "[BTCoex], RunCoexistMechanism(), return for Stop Coex DM <===\n");
                return;
        }

        if (coex_sta->under_ips) {
                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                        "[BTCoex], wifi is under IPS !!!\n");
                return;
        }

        btcoexist->btc_get(btcoexist, BTC_GET_BL_WIFI_UNDER_5G, &wifi_under_5g);
        if (wifi_under_5g) {
                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                        "[BTCoex], RunCoexistMechanism(), return for 5G <===\n");
                btc8821a1ant_coex_under_5g(btcoexist);
                return;
        }

        if ((BT_8821A_1ANT_BT_STATUS_ACL_BUSY == coex_dm->bt_status) ||
            (BT_8821A_1ANT_BT_STATUS_SCO_BUSY == coex_dm->bt_status) ||
            (BT_8821A_1ANT_BT_STATUS_ACL_SCO_BUSY == coex_dm->bt_status))
                increase_scan_dev_num = true;

        btcoexist->btc_set(btcoexist, BTC_SET_BL_INC_SCAN_DEV_NUM,
                           &increase_scan_dev_num);

        btcoexist->btc_get(btcoexist, BTC_GET_BL_WIFI_CONNECTED,
                           &wifi_connected);

        btcoexist->btc_get(btcoexist, BTC_GET_U4_WIFI_LINK_STATUS,
                           &wifi_link_status);
        num_of_wifi_link = wifi_link_status >> 16;
        if ((num_of_wifi_link >= 2) ||
            (wifi_link_status & WIFI_P2P_GO_CONNECTED)) {
                btc8821a1ant_limited_tx(btcoexist, NORMAL_EXEC, 0, 0, 0, 0);
                btc8821a1ant_limited_rx(btcoexist, NORMAL_EXEC, false,
                                        bt_ctrl_agg_buf_size, agg_buf_size);
                btc8821a1ant_action_wifi_multi_port(btcoexist);
                return;
        }

        if (!bt_link_info->sco_exist && !bt_link_info->hid_exist) {
                btc8821a1ant_limited_tx(btcoexist, NORMAL_EXEC, 0, 0, 0, 0);
        } else {
                if (wifi_connected) {
                        btc8821a1ant_wifi_rssi_state(btcoexist, 1, 2,
                                                             30, 0);
                        btc8821a1ant_limited_tx(btcoexist,
                                                NORMAL_EXEC, 1, 1,
                                                0, 1);
                } else {
                        btc8821a1ant_limited_tx(btcoexist, NORMAL_EXEC,
                                                0, 0, 0, 0);
                }
        }

        if (bt_link_info->sco_exist) {
                bt_ctrl_agg_buf_size = true;
                agg_buf_size = 0x3;
        } else if (bt_link_info->hid_exist) {
                bt_ctrl_agg_buf_size = true;
                agg_buf_size = 0x5;
        } else if (bt_link_info->a2dp_exist || bt_link_info->pan_exist) {
                bt_ctrl_agg_buf_size = true;
                agg_buf_size = 0x8;
        }
        btc8821a1ant_limited_rx(btcoexist, NORMAL_EXEC, false,
                                bt_ctrl_agg_buf_size, agg_buf_size);

        btc8821a1ant_run_sw_coex_mech(btcoexist);

        btcoexist->btc_get(btcoexist, BTC_GET_BL_HS_OPERATION, &bt_hs_on);
        if (coex_sta->c2h_bt_inquiry_page) {
                btc8821a1ant_action_bt_inquiry(btcoexist);
                return;
        } else if (bt_hs_on) {
                btc8821a1ant_action_hs(btcoexist);
                return;
        }

        if (!wifi_connected) {
                bool scan = false, link = false, roam = false;

                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                        "[BTCoex], wifi is non connected-idle !!!\n");

                btcoexist->btc_get(btcoexist, BTC_GET_BL_WIFI_SCAN, &scan);
                btcoexist->btc_get(btcoexist, BTC_GET_BL_WIFI_LINK, &link);
                btcoexist->btc_get(btcoexist, BTC_GET_BL_WIFI_ROAM, &roam);

                if (scan || link || roam) {
                        if (scan)
                                btc8821a1ant_act_wifi_not_conn_scan(btcoexist);
                        else
                                btc8821a1ant_action_wifi_not_connected_asso_auth(
                                        btcoexist);
                } else {
                        btc8821a1ant_action_wifi_not_connected(btcoexist);
                }
        } else {
                /* wifi LPS/Busy */
                btc8821a1ant_action_wifi_connected(btcoexist);
        }
}

static void btc8821a1ant_init_coex_dm(struct btc_coexist *btcoexist)
{
        /* force to reset coex mechanism
         * sw all off
         */
        btc8821a1ant_sw_mechanism(btcoexist, false);

        btc8821a1ant_coex_table_with_type(btcoexist, FORCE_EXEC, 0);
}

static void btc8821a1ant_init_hw_config(struct btc_coexist *btcoexist,
                                        bool back_up, bool wifi_only)
{
        struct rtl_priv *rtlpriv = btcoexist->adapter;
        u8 u1_tmp = 0;
        bool wifi_under_5g = false;

        rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                "[BTCoex], 1Ant Init HW Config!!\n");

        if (wifi_only)
                return;

        if (back_up) {
                coex_dm->backup_arfr_cnt1 = btcoexist->btc_read_4byte(btcoexist,
                                                                      0x430);
                coex_dm->backup_arfr_cnt2 = btcoexist->btc_read_4byte(btcoexist,
                                                                      0x434);
                coex_dm->backup_retry_limit =
                        btcoexist->btc_read_2byte(btcoexist, 0x42a);
                coex_dm->backup_ampdu_max_time =
                        btcoexist->btc_read_1byte(btcoexist, 0x456);
        }

        /* 0x790[5:0] = 0x5 */
        u1_tmp = btcoexist->btc_read_1byte(btcoexist, 0x790);
        u1_tmp &= 0xc0;
        u1_tmp |= 0x5;
        btcoexist->btc_write_1byte(btcoexist, 0x790, u1_tmp);

        btcoexist->btc_get(btcoexist, BTC_GET_BL_WIFI_UNDER_5G, &wifi_under_5g);

        /* Antenna config */
        if (wifi_under_5g)
                btc8821a1ant_set_ant_path(btcoexist, BTC_ANT_PATH_BT,
                                          true, false);
        else
                btc8821a1ant_set_ant_path(btcoexist, BTC_ANT_PATH_PTA,
                                          true, false);
        /* PTA parameter */
        btc8821a1ant_coex_table_with_type(btcoexist, FORCE_EXEC, 0);

        /* Enable counter statistics
         * 0x76e[3] =1, WLAN_Act control by PTA
         */
        btcoexist->btc_write_1byte(btcoexist, 0x76e, 0xc);
        btcoexist->btc_write_1byte(btcoexist, 0x778, 0x3);
        btcoexist->btc_write_1byte_bitmask(btcoexist, 0x40, 0x20, 0x1);
}

/**************************************************************
 * extern function start with ex_btc8821a1ant_
 **************************************************************/
void ex_btc8821a1ant_init_hwconfig(struct btc_coexist *btcoexist, bool wifionly)
{
        btc8821a1ant_init_hw_config(btcoexist, true, wifionly);
        btcoexist->auto_report_1ant = true;
}

void ex_btc8821a1ant_init_coex_dm(struct btc_coexist *btcoexist)
{
        struct rtl_priv *rtlpriv = btcoexist->adapter;

        rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                "[BTCoex], Coex Mechanism Init!!\n");

        btcoexist->stop_coex_dm = false;

        btc8821a1ant_init_coex_dm(btcoexist);

        btc8821a1ant_query_bt_info(btcoexist);
}

void ex_btc8821a1ant_display_coex_info(struct btc_coexist *btcoexist,
                                       struct seq_file *m)
{
        struct btc_board_info *board_info = &btcoexist->board_info;
        struct btc_stack_info *stack_info = &btcoexist->stack_info;
        struct btc_bt_link_info *bt_link_info = &btcoexist->bt_link_info;
        u8 u1_tmp[4], i, bt_info_ext, ps_tdma_case = 0;
        u16 u2_tmp[4];
        u32 u4_tmp[4];
        bool roam = false, scan = false, link = false, wifi_under_5g = false;
        bool bt_hs_on = false, wifi_busy = false;
        long wifi_rssi = 0, bt_hs_rssi = 0;
        u32 wifi_bw, wifi_traffic_dir;
        u8 wifi_dot11_chnl, wifi_hs_chnl;
        u32 fw_ver = 0, bt_patch_ver = 0;

        seq_puts(m, "\n ============[BT Coexist info]============");

        if (btcoexist->manual_control) {
                seq_puts(m, "\n ============[Under Manual Control]============");
                seq_puts(m, "\n ==========================================");
        }
        if (btcoexist->stop_coex_dm) {
                seq_puts(m, "\n ============[Coex is STOPPED]============");
                seq_puts(m, "\n ==========================================");
        }

        seq_printf(m, "\n %-35s = %d/ %d/ %d",
                   "Ant PG Num/ Ant Mech/ Ant Pos:",
                   board_info->pg_ant_num,
                   board_info->btdm_ant_num,
                   board_info->btdm_ant_pos);

        seq_printf(m, "\n %-35s = %s / %d", "BT stack/ hci ext ver",
                   ((stack_info->profile_notified) ? "Yes" : "No"),
                   stack_info->hci_version);

        btcoexist->btc_get(btcoexist, BTC_GET_U4_BT_PATCH_VER,
                           &bt_patch_ver);
        btcoexist->btc_get(btcoexist, BTC_GET_U4_WIFI_FW_VER, &fw_ver);
        seq_printf(m, "\n %-35s = %d_%x/ 0x%x/ 0x%x(%d)",
                   "CoexVer/ FwVer/ PatchVer",
                   glcoex_ver_date_8821a_1ant,
                   glcoex_ver_8821a_1ant,
                   fw_ver, bt_patch_ver,
                   bt_patch_ver);

        btcoexist->btc_get(btcoexist, BTC_GET_BL_HS_OPERATION,
                           &bt_hs_on);
        btcoexist->btc_get(btcoexist, BTC_GET_U1_WIFI_DOT11_CHNL,
                           &wifi_dot11_chnl);
        btcoexist->btc_get(btcoexist, BTC_GET_U1_WIFI_HS_CHNL,
                           &wifi_hs_chnl);
        seq_printf(m, "\n %-35s = %d / %d(%d)",
                   "Dot11 channel / HsChnl(HsMode)",
                   wifi_dot11_chnl, wifi_hs_chnl, bt_hs_on);

        seq_printf(m, "\n %-35s = %3ph ",
                   "H2C Wifi inform bt chnl Info",
                   coex_dm->wifi_chnl_info);

        btcoexist->btc_get(btcoexist, BTC_GET_S4_WIFI_RSSI, &wifi_rssi);
        btcoexist->btc_get(btcoexist, BTC_GET_S4_HS_RSSI, &bt_hs_rssi);
        seq_printf(m, "\n %-35s = %d/ %d", "Wifi rssi/ HS rssi",
                   (int)wifi_rssi, (int)bt_hs_rssi);

        btcoexist->btc_get(btcoexist, BTC_GET_BL_WIFI_SCAN, &scan);
        btcoexist->btc_get(btcoexist, BTC_GET_BL_WIFI_LINK, &link);
        btcoexist->btc_get(btcoexist, BTC_GET_BL_WIFI_ROAM, &roam);
        seq_printf(m, "\n %-35s = %d/ %d/ %d ", "Wifi link/ roam/ scan",
                   link, roam, scan);

        btcoexist->btc_get(btcoexist, BTC_GET_BL_WIFI_UNDER_5G,
                           &wifi_under_5g);
        btcoexist->btc_get(btcoexist, BTC_GET_U4_WIFI_BW,
                           &wifi_bw);
        btcoexist->btc_get(btcoexist, BTC_GET_BL_WIFI_BUSY,
                           &wifi_busy);
        btcoexist->btc_get(btcoexist, BTC_GET_U4_WIFI_TRAFFIC_DIRECTION,
                           &wifi_traffic_dir);
        seq_printf(m, "\n %-35s = %s / %s/ %s ", "Wifi status",
                   (wifi_under_5g ? "5G" : "2.4G"),
                   ((wifi_bw == BTC_WIFI_BW_LEGACY) ? "Legacy" :
                   (((wifi_bw == BTC_WIFI_BW_HT40) ? "HT40" : "HT20"))),
                   ((!wifi_busy) ? "idle" :
                   ((wifi_traffic_dir == BTC_WIFI_TRAFFIC_TX) ?
                   "uplink" : "downlink")));
        seq_printf(m, "\n %-35s = [%s/ %d/ %d] ",
                   "BT [status/ rssi/ retryCnt]",
                   ((coex_sta->bt_disabled) ? ("disabled") :
                   ((coex_sta->c2h_bt_inquiry_page) ? ("inquiry/page scan") :
                   ((BT_8821A_1ANT_BT_STATUS_NON_CONNECTED_IDLE ==
                     coex_dm->bt_status) ?
                   "non-connected idle" :
                   ((BT_8821A_1ANT_BT_STATUS_CONNECTED_IDLE ==
                     coex_dm->bt_status) ?
                   "connected-idle" : "busy")))),
                   coex_sta->bt_rssi, coex_sta->bt_retry_cnt);

        seq_printf(m, "\n %-35s = %d / %d / %d / %d", "SCO/HID/PAN/A2DP",
                   bt_link_info->sco_exist,
                   bt_link_info->hid_exist,
                   bt_link_info->pan_exist,
                   bt_link_info->a2dp_exist);
        btcoexist->btc_disp_dbg_msg(btcoexist, BTC_DBG_DISP_BT_LINK_INFO, m);

        bt_info_ext = coex_sta->bt_info_ext;
        seq_printf(m, "\n %-35s = %s",
                   "BT Info A2DP rate",
                   (bt_info_ext & BIT0) ?
                   "Basic rate" : "EDR rate");

        for (i = 0; i < BT_INFO_SRC_8821A_1ANT_MAX; i++) {
                if (coex_sta->bt_info_c2h_cnt[i]) {
                        seq_printf(m, "\n %-35s = %7ph(%d)",
                                   glbt_info_src_8821a_1ant[i],
                                   coex_sta->bt_info_c2h[i],
                                   coex_sta->bt_info_c2h_cnt[i]);
                }
        }
        seq_printf(m, "\n %-35s = %s/%s, (0x%x/0x%x)",
                   "PS state, IPS/LPS, (lps/rpwm)",
                   ((coex_sta->under_ips ? "IPS ON" : "IPS OFF")),
                   ((coex_sta->under_lps ? "LPS ON" : "LPS OFF")),
                   btcoexist->bt_info.lps_val,
                   btcoexist->bt_info.rpwm_val);
        btcoexist->btc_disp_dbg_msg(btcoexist, BTC_DBG_DISP_FW_PWR_MODE_CMD, m);

        if (!btcoexist->manual_control) {
                /* Sw mechanism*/
                seq_printf(m, "\n %-35s",
                           "============[Sw mechanism]============");

                seq_printf(m, "\n %-35s = %d", "SM[LowPenaltyRA]",
                           coex_dm->cur_low_penalty_ra);

                seq_printf(m, "\n %-35s = %s/ %s/ %d ",
                           "DelBA/ BtCtrlAgg/ AggSize",
                           (btcoexist->bt_info.reject_agg_pkt ? "Yes" : "No"),
                           (btcoexist->bt_info.bt_ctrl_buf_size ? "Yes" : "No"),
                           btcoexist->bt_info.agg_buf_size);
                seq_printf(m, "\n %-35s = 0x%x ", "Rate Mask",
                           btcoexist->bt_info.ra_mask);

                /* Fw mechanism */
                seq_printf(m, "\n %-35s",
                           "============[Fw mechanism]============");

                ps_tdma_case = coex_dm->cur_ps_tdma;
                seq_printf(m, "\n %-35s = %5ph case-%d (auto:%d)",
                           "PS TDMA",
                           coex_dm->ps_tdma_para,
                           ps_tdma_case,
                           coex_dm->auto_tdma_adjust);

                seq_printf(m, "\n %-35s = 0x%x ",
                           "Latest error condition(should be 0)",
                           coex_dm->error_condition);

                seq_printf(m, "\n %-35s = %d ", "IgnWlanAct",
                           coex_dm->cur_ignore_wlan_act);
        }

        /* Hw setting */
        seq_printf(m, "\n %-35s", "============[Hw setting]============");

        seq_printf(m, "\n %-35s = 0x%x/0x%x/0x%x/0x%x",
                   "backup ARFR1/ARFR2/RL/AMaxTime",
                   coex_dm->backup_arfr_cnt1,
                   coex_dm->backup_arfr_cnt2,
                   coex_dm->backup_retry_limit,
                   coex_dm->backup_ampdu_max_time);

        u4_tmp[0] = btcoexist->btc_read_4byte(btcoexist, 0x430);
        u4_tmp[1] = btcoexist->btc_read_4byte(btcoexist, 0x434);
        u2_tmp[0] = btcoexist->btc_read_2byte(btcoexist, 0x42a);
        u1_tmp[0] = btcoexist->btc_read_1byte(btcoexist, 0x456);
        seq_printf(m, "\n %-35s = 0x%x/0x%x/0x%x/0x%x",
                   "0x430/0x434/0x42a/0x456",
                   u4_tmp[0], u4_tmp[1], u2_tmp[0], u1_tmp[0]);

        u1_tmp[0] = btcoexist->btc_read_1byte(btcoexist, 0x778);
        u4_tmp[0] = btcoexist->btc_read_4byte(btcoexist, 0xc58);
        seq_printf(m, "\n %-35s = 0x%x/ 0x%x", "0x778/ 0xc58[29:25]",
                   u1_tmp[0], (u4_tmp[0] & 0x3e000000) >> 25);

        u1_tmp[0] = btcoexist->btc_read_1byte(btcoexist, 0x8db);
        seq_printf(m, "\n %-35s = 0x%x", "0x8db[6:5]",
                   ((u1_tmp[0] & 0x60) >> 5));

        u1_tmp[0] = btcoexist->btc_read_1byte(btcoexist, 0x975);
        u4_tmp[0] = btcoexist->btc_read_4byte(btcoexist, 0xcb4);
        seq_printf(m, "\n %-35s = 0x%x/ 0x%x/ 0x%x",
                   "0xcb4[29:28]/0xcb4[7:0]/0x974[9:8]",
                   (u4_tmp[0] & 0x30000000) >> 28,
                    u4_tmp[0] & 0xff,
                    u1_tmp[0] & 0x3);

        u1_tmp[0] = btcoexist->btc_read_1byte(btcoexist, 0x40);
        u4_tmp[0] = btcoexist->btc_read_4byte(btcoexist, 0x4c);
        u1_tmp[1] = btcoexist->btc_read_1byte(btcoexist, 0x64);
        seq_printf(m, "\n %-35s = 0x%x/ 0x%x/ 0x%x",
                   "0x40/0x4c[24:23]/0x64[0]",
                   u1_tmp[0], ((u4_tmp[0] & 0x01800000) >> 23),
                   u1_tmp[1] & 0x1);

        u4_tmp[0] = btcoexist->btc_read_4byte(btcoexist, 0x550);
        u1_tmp[0] = btcoexist->btc_read_1byte(btcoexist, 0x522);
        seq_printf(m, "\n %-35s = 0x%x/ 0x%x", "0x550(bcn ctrl)/0x522",
                   u4_tmp[0], u1_tmp[0]);

        u4_tmp[0] = btcoexist->btc_read_4byte(btcoexist, 0xc50);
        seq_printf(m, "\n %-35s = 0x%x", "0xc50(dig)",
                   u4_tmp[0] & 0xff);

        u4_tmp[0] = btcoexist->btc_read_4byte(btcoexist, 0xf48);
        u1_tmp[0] = btcoexist->btc_read_1byte(btcoexist, 0xa5d);
        u1_tmp[1] = btcoexist->btc_read_1byte(btcoexist, 0xa5c);
        seq_printf(m, "\n %-35s = 0x%x/ 0x%x", "OFDM-FA/ CCK-FA",
                   u4_tmp[0], (u1_tmp[0] << 8) + u1_tmp[1]);

        u4_tmp[0] = btcoexist->btc_read_4byte(btcoexist, 0x6c0);
        u4_tmp[1] = btcoexist->btc_read_4byte(btcoexist, 0x6c4);
        u4_tmp[2] = btcoexist->btc_read_4byte(btcoexist, 0x6c8);
        u1_tmp[0] = btcoexist->btc_read_1byte(btcoexist, 0x6cc);
        seq_printf(m, "\n %-35s = 0x%x/ 0x%x/ 0x%x/ 0x%x",
                   "0x6c0/0x6c4/0x6c8/0x6cc(coexTable)",
                   u4_tmp[0], u4_tmp[1], u4_tmp[2], u1_tmp[0]);

        seq_printf(m, "\n %-35s = %d/ %d", "0x770(high-pri rx/tx)",
                   coex_sta->high_priority_rx, coex_sta->high_priority_tx);
        seq_printf(m, "\n %-35s = %d/ %d", "0x774(low-pri rx/tx)",
                   coex_sta->low_priority_rx, coex_sta->low_priority_tx);
        if (btcoexist->auto_report_1ant)
                btc8821a1ant_monitor_bt_ctr(btcoexist);
        btcoexist->btc_disp_dbg_msg(btcoexist, BTC_DBG_DISP_COEX_STATISTICS, m);
}

void ex_btc8821a1ant_ips_notify(struct btc_coexist *btcoexist, u8 type)
{
        struct rtl_priv *rtlpriv = btcoexist->adapter;
        bool wifi_under_5g = false;

        if (btcoexist->manual_control || btcoexist->stop_coex_dm)
                return;
        btcoexist->btc_get(btcoexist, BTC_GET_BL_WIFI_UNDER_5G, &wifi_under_5g);
        if (wifi_under_5g) {
                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                        "[BTCoex], RunCoexistMechanism(), return for 5G <===\n");
                btc8821a1ant_coex_under_5g(btcoexist);
                return;
        }

        if (BTC_IPS_ENTER == type) {
                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                        "[BTCoex], IPS ENTER notify\n");
                coex_sta->under_ips = true;
                btc8821a1ant_set_ant_path(btcoexist,
                                          BTC_ANT_PATH_BT, false, true);
                /* set PTA control */
                btc8821a1ant_ps_tdma(btcoexist, NORMAL_EXEC, false, 0);
                btc8821a1ant_coex_table_with_type(btcoexist,
                                                  NORMAL_EXEC, 0);
        } else if (BTC_IPS_LEAVE == type) {
                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                        "[BTCoex], IPS LEAVE notify\n");
                coex_sta->under_ips = false;

                btc8821a1ant_init_hw_config(btcoexist, false, false);
                btc8821a1ant_init_coex_dm(btcoexist);
                btc8821a1ant_query_bt_info(btcoexist);
        }
}

void ex_btc8821a1ant_lps_notify(struct btc_coexist *btcoexist, u8 type)
{
        struct rtl_priv *rtlpriv = btcoexist->adapter;

        if (btcoexist->manual_control || btcoexist->stop_coex_dm)
                return;

        if (BTC_LPS_ENABLE == type) {
                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                        "[BTCoex], LPS ENABLE notify\n");
                coex_sta->under_lps = true;
        } else if (BTC_LPS_DISABLE == type) {
                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                        "[BTCoex], LPS DISABLE notify\n");
                coex_sta->under_lps = false;
        }
}

void ex_btc8821a1ant_scan_notify(struct btc_coexist *btcoexist, u8 type)
{
        struct rtl_priv *rtlpriv = btcoexist->adapter;
        bool wifi_connected = false, bt_hs_on = false;
        bool bt_ctrl_agg_buf_size = false;
        bool wifi_under_5g = false;
        u32 wifi_link_status = 0;
        u32 num_of_wifi_link = 0;
        u8 agg_buf_size = 5;

        if (btcoexist->manual_control || btcoexist->stop_coex_dm)
                return;
        btcoexist->btc_get(btcoexist, BTC_GET_BL_WIFI_UNDER_5G, &wifi_under_5g);
        if (wifi_under_5g) {
                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                        "[BTCoex], RunCoexistMechanism(), return for 5G <===\n");
                btc8821a1ant_coex_under_5g(btcoexist);
                return;
        }

        if (type == BTC_SCAN_START) {
                coex_sta->wifi_is_high_pri_task = true;
                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                        "[BTCoex], SCAN START notify\n");

                /* Force antenna setup for no scan result issue */
                btc8821a1ant_ps_tdma(btcoexist, FORCE_EXEC, false, 8);
        } else {
                coex_sta->wifi_is_high_pri_task = false;
                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                        "[BTCoex], SCAN FINISH notify\n");
        }

        if (coex_sta->bt_disabled)
                return;

        btcoexist->btc_get(btcoexist,
                 BTC_GET_BL_HS_OPERATION, &bt_hs_on);
        btcoexist->btc_get(btcoexist,
                 BTC_GET_BL_WIFI_CONNECTED, &wifi_connected);

        btc8821a1ant_query_bt_info(btcoexist);

        btcoexist->btc_get(btcoexist, BTC_GET_U4_WIFI_LINK_STATUS,
                           &wifi_link_status);
        num_of_wifi_link = wifi_link_status >> 16;
        if (num_of_wifi_link >= 2) {
                btc8821a1ant_limited_tx(btcoexist, NORMAL_EXEC, 0, 0, 0, 0);
                btc8821a1ant_limited_rx(btcoexist, NORMAL_EXEC, false,
                                        bt_ctrl_agg_buf_size, agg_buf_size);
                btc8821a1ant_action_wifi_multi_port(btcoexist);
                return;
        }

        if (coex_sta->c2h_bt_inquiry_page) {
                btc8821a1ant_action_bt_inquiry(btcoexist);
                return;
        } else if (bt_hs_on) {
                btc8821a1ant_action_hs(btcoexist);
                return;
        }

        if (BTC_SCAN_START == type) {
                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                        "[BTCoex], SCAN START notify\n");
                if (!wifi_connected) {
                        /* non-connected scan */
                        btc8821a1ant_act_wifi_not_conn_scan(btcoexist);
                } else {
                        /* wifi is connected */
                        btc8821a1ant_action_wifi_connected_scan(btcoexist);
                }
        } else if (BTC_SCAN_FINISH == type) {
                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                        "[BTCoex], SCAN FINISH notify\n");
                if (!wifi_connected) {
                        /* non-connected scan */
                        btc8821a1ant_action_wifi_not_connected(btcoexist);
                } else {
                        btc8821a1ant_action_wifi_connected(btcoexist);
                }
        }
}

void ex_btc8821a1ant_connect_notify(struct btc_coexist *btcoexist, u8 type)
{
        struct rtl_priv *rtlpriv = btcoexist->adapter;
        bool wifi_connected = false, bt_hs_on = false;
        u32 wifi_link_status = 0;
        u32 num_of_wifi_link = 0;
        bool bt_ctrl_agg_buf_size = false;
        bool wifi_under_5g = false;
        u8 agg_buf_size = 5;

        if (btcoexist->manual_control || btcoexist->stop_coex_dm ||
            coex_sta->bt_disabled)
                return;
        btcoexist->btc_get(btcoexist, BTC_GET_BL_WIFI_UNDER_5G, &wifi_under_5g);
        if (wifi_under_5g) {
                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                        "[BTCoex], RunCoexistMechanism(), return for 5G <===\n");
                btc8821a1ant_coex_under_5g(btcoexist);
                return;
        }

        if (type == BTC_ASSOCIATE_START) {
                coex_sta->wifi_is_high_pri_task = true;
                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                        "[BTCoex], CONNECT START notify\n");
                coex_dm->arp_cnt = 0;
        } else {
                coex_sta->wifi_is_high_pri_task = false;
                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                        "[BTCoex], CONNECT FINISH notify\n");
                coex_dm->arp_cnt = 0;
        }

        btcoexist->btc_get(btcoexist, BTC_GET_U4_WIFI_LINK_STATUS,
                           &wifi_link_status);
        num_of_wifi_link = wifi_link_status >> 16;
        if (num_of_wifi_link >= 2) {
                btc8821a1ant_limited_tx(btcoexist, NORMAL_EXEC, 0, 0, 0, 0);
                btc8821a1ant_limited_rx(btcoexist, NORMAL_EXEC, false,
                                        bt_ctrl_agg_buf_size, agg_buf_size);
                btc8821a1ant_action_wifi_multi_port(btcoexist);
                return;
        }

        btcoexist->btc_get(btcoexist, BTC_GET_BL_HS_OPERATION, &bt_hs_on);
        if (coex_sta->c2h_bt_inquiry_page) {
                btc8821a1ant_action_bt_inquiry(btcoexist);
                return;
        } else if (bt_hs_on) {
                btc8821a1ant_action_hs(btcoexist);
                return;
        }

        if (BTC_ASSOCIATE_START == type) {
                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                        "[BTCoex], CONNECT START notify\n");
                btc8821a1ant_act_wifi_not_conn_scan(btcoexist);
        } else if (BTC_ASSOCIATE_FINISH == type) {
                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                        "[BTCoex], CONNECT FINISH notify\n");

                btcoexist->btc_get(btcoexist,
                         BTC_GET_BL_WIFI_CONNECTED, &wifi_connected);
                if (!wifi_connected) {
                        /* non-connected scan */
                        btc8821a1ant_action_wifi_not_connected(btcoexist);
                } else {
                        btc8821a1ant_action_wifi_connected(btcoexist);
                }
        }
}

void ex_btc8821a1ant_media_status_notify(struct btc_coexist *btcoexist,
                                         u8 type)
{
        struct rtl_priv *rtlpriv = btcoexist->adapter;
        u8 h2c_parameter[3] = {0};
        u32 wifi_bw;
        u8 wifi_central_chnl;
        bool wifi_under_5g = false;

        if (btcoexist->manual_control || btcoexist->stop_coex_dm ||
            coex_sta->bt_disabled)
                return;
        btcoexist->btc_get(btcoexist, BTC_GET_BL_WIFI_UNDER_5G, &wifi_under_5g);
        if (wifi_under_5g) {
                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                        "[BTCoex], RunCoexistMechanism(), return for 5G <===\n");
                btc8821a1ant_coex_under_5g(btcoexist);
                return;
        }

        if (BTC_MEDIA_CONNECT == type) {
                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                        "[BTCoex], MEDIA connect notify\n");
        } else {
                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                        "[BTCoex], MEDIA disconnect notify\n");
                coex_dm->arp_cnt = 0;
        }

        /* only 2.4G we need to inform bt the chnl mask */
        btcoexist->btc_get(btcoexist,
                           BTC_GET_U1_WIFI_CENTRAL_CHNL,
                           &wifi_central_chnl);
        if ((type == BTC_MEDIA_CONNECT) &&
            (wifi_central_chnl <= 14)) {
                h2c_parameter[0] = 0x0;
                h2c_parameter[1] = wifi_central_chnl;
                btcoexist->btc_get(btcoexist, BTC_GET_U4_WIFI_BW, &wifi_bw);
                if (wifi_bw == BTC_WIFI_BW_HT40)
                        h2c_parameter[2] = 0x30;
                else
                        h2c_parameter[2] = 0x20;
        }

        coex_dm->wifi_chnl_info[0] = h2c_parameter[0];
        coex_dm->wifi_chnl_info[1] = h2c_parameter[1];
        coex_dm->wifi_chnl_info[2] = h2c_parameter[2];

        rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                "[BTCoex], FW write 0x66 = 0x%x\n",
                h2c_parameter[0] << 16 |
                h2c_parameter[1] << 8 |
                h2c_parameter[2]);

        btcoexist->btc_fill_h2c(btcoexist, 0x66, 3, h2c_parameter);
}

void ex_btc8821a1ant_special_packet_notify(struct btc_coexist *btcoexist,
                                           u8 type)
{
        struct rtl_priv *rtlpriv = btcoexist->adapter;
        bool bt_hs_on = false;
        bool bt_ctrl_agg_buf_size = false;
        bool wifi_under_5g = false;
        u32 wifi_link_status = 0;
        u32 num_of_wifi_link = 0;
        u8 agg_buf_size = 5;

        if (btcoexist->manual_control || btcoexist->stop_coex_dm ||
            coex_sta->bt_disabled)
                return;

        btcoexist->btc_get(btcoexist, BTC_GET_BL_WIFI_UNDER_5G, &wifi_under_5g);
        if (wifi_under_5g) {
                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                        "[BTCoex], RunCoexistMechanism(), return for 5G <===\n");
                btc8821a1ant_coex_under_5g(btcoexist);
                return;
        }

        if (type == BTC_PACKET_DHCP || type == BTC_PACKET_EAPOL ||
            type == BTC_PACKET_ARP) {
                coex_sta->wifi_is_high_pri_task = true;

                if (type == BTC_PACKET_ARP) {
                        rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                                "[BTCoex], specific Packet ARP notify\n");
                } else {
                        rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                                "[BTCoex], specific Packet DHCP or EAPOL notify\n");
                }
        } else {
                coex_sta->wifi_is_high_pri_task = false;
                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                        "[BTCoex], specific Packet [Type = %d] notify\n",
                        type);
        }

        coex_sta->special_pkt_period_cnt = 0;

        btcoexist->btc_get(btcoexist, BTC_GET_U4_WIFI_LINK_STATUS,
                           &wifi_link_status);
        num_of_wifi_link = wifi_link_status >> 16;
        if (num_of_wifi_link >= 2) {
                btc8821a1ant_limited_tx(btcoexist, NORMAL_EXEC, 0, 0, 0, 0);
                btc8821a1ant_limited_rx(btcoexist, NORMAL_EXEC, false,
                                        bt_ctrl_agg_buf_size, agg_buf_size);
                btc8821a1ant_action_wifi_multi_port(btcoexist);
                return;
        }

        btcoexist->btc_get(btcoexist, BTC_GET_BL_HS_OPERATION, &bt_hs_on);
        if (coex_sta->c2h_bt_inquiry_page) {
                btc8821a1ant_action_bt_inquiry(btcoexist);
                return;
        } else if (bt_hs_on) {
                btc8821a1ant_action_hs(btcoexist);
                return;
        }

        if (type == BTC_PACKET_DHCP || type == BTC_PACKET_EAPOL ||
            type == BTC_PACKET_ARP) {
                if (type == BTC_PACKET_ARP) {
                        coex_dm->arp_cnt++;
                        rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                                "[BTCoex], ARP Packet Count = %d\n",
                                coex_dm->arp_cnt);
                        if (coex_dm->arp_cnt >= 10)
                                /* if APR PKT > 10 after connect, do not go to
                                 * btc8821a1ant_act_wifi_conn_sp_pkt
                                 */
                                return;
                }

                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                        "[BTCoex], special Packet(%d) notify\n", type);
                btc8821a1ant_act_wifi_conn_sp_pkt(btcoexist);
        }
}

void ex_btc8821a1ant_bt_info_notify(struct btc_coexist *btcoexist,
                                    u8 *tmp_buf, u8 length)
{
        struct rtl_priv *rtlpriv = btcoexist->adapter;
        u8 i;
        u8 bt_info = 0;
        u8 rsp_source = 0;
        bool wifi_connected = false;
        bool bt_busy = false;
        bool wifi_under_5g = false;

        coex_sta->c2h_bt_info_req_sent = false;

        btcoexist->btc_get(btcoexist,
                 BTC_GET_BL_WIFI_UNDER_5G, &wifi_under_5g);

        rsp_source = tmp_buf[0] & 0xf;
        if (rsp_source >= BT_INFO_SRC_8821A_1ANT_MAX)
                rsp_source = BT_INFO_SRC_8821A_1ANT_WIFI_FW;
        coex_sta->bt_info_c2h_cnt[rsp_source]++;

        rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                "[BTCoex], Bt info[%d], length = %d, hex data = [",
                rsp_source, length);
        for (i = 0; i < length; i++) {
                coex_sta->bt_info_c2h[rsp_source][i] = tmp_buf[i];
                if (i == 1)
                        bt_info = tmp_buf[i];
                if (i == length - 1) {
                        rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                                "0x%02x]\n", tmp_buf[i]);
                } else {
                        rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                                "0x%02x, ", tmp_buf[i]);
                }
        }

        if (BT_INFO_SRC_8821A_1ANT_WIFI_FW != rsp_source) {
                /* [3:0] */
                coex_sta->bt_retry_cnt =
                        coex_sta->bt_info_c2h[rsp_source][2] & 0xf;

                coex_sta->bt_rssi =
                        coex_sta->bt_info_c2h[rsp_source][3] * 2 + 10;

                coex_sta->bt_info_ext = coex_sta->bt_info_c2h[rsp_source][4];

                coex_sta->bt_tx_rx_mask =
                        (coex_sta->bt_info_c2h[rsp_source][2] & 0x40);
                btcoexist->btc_set(btcoexist, BTC_SET_BL_BT_TX_RX_MASK,
                                   &coex_sta->bt_tx_rx_mask);
                if (!coex_sta->bt_tx_rx_mask) {
                        /* BT into is responded by BT FW and BT RF REG 0x3C !=
                         * 0x15 => Need to switch BT TRx Mask
                         */
                        rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                                "[BTCoex], Switch BT TRx Mask since BT RF REG 0x3C != 0x15\n");
                        btcoexist->btc_set_bt_reg(btcoexist, BTC_BT_REG_RF,
                                                  0x3c, 0x15);
                }

                /* Here we need to resend some wifi info to BT
                 * because bt is reset and lost the info
                 */
                if (coex_sta->bt_info_ext & BIT1) {
                        rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                                "[BTCoex], BT ext info bit1 check, send wifi BW&Chnl to BT!!\n");
                        btcoexist->btc_get(btcoexist, BTC_GET_BL_WIFI_CONNECTED,
                                           &wifi_connected);
                        if (wifi_connected) {
                                ex_btc8821a1ant_media_status_notify(btcoexist,
                                                               BTC_MEDIA_CONNECT);
                        } else {
                                ex_btc8821a1ant_media_status_notify(btcoexist,
                                                               BTC_MEDIA_DISCONNECT);
                        }
                }

                if ((coex_sta->bt_info_ext & BIT3) && !wifi_under_5g) {
                        if (!btcoexist->manual_control &&
                            !btcoexist->stop_coex_dm) {
                                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                                        "[BTCoex], BT ext info bit3 check, set BT NOT to ignore Wlan active!!\n");
                                btc8821a1ant_ignore_wlan_act(btcoexist,
                                                             FORCE_EXEC,
                                                             false);
                        }
                }
        }

        /* check BIT2 first ==> check if bt is under inquiry or page scan */
        if (bt_info & BT_INFO_8821A_1ANT_B_INQ_PAGE)
                coex_sta->c2h_bt_inquiry_page = true;
        else
                coex_sta->c2h_bt_inquiry_page = false;

        /* set link exist status */
        if (!(bt_info & BT_INFO_8821A_1ANT_B_CONNECTION)) {
                coex_sta->bt_link_exist = false;
                coex_sta->pan_exist = false;
                coex_sta->a2dp_exist = false;
                coex_sta->hid_exist = false;
                coex_sta->sco_exist = false;
        } else {
                /* connection exists */
                coex_sta->bt_link_exist = true;
                if (bt_info & BT_INFO_8821A_1ANT_B_FTP)
                        coex_sta->pan_exist = true;
                else
                        coex_sta->pan_exist = false;
                if (bt_info & BT_INFO_8821A_1ANT_B_A2DP)
                        coex_sta->a2dp_exist = true;
                else
                        coex_sta->a2dp_exist = false;
                if (bt_info & BT_INFO_8821A_1ANT_B_HID)
                        coex_sta->hid_exist = true;
                else
                        coex_sta->hid_exist = false;
                if (bt_info & BT_INFO_8821A_1ANT_B_SCO_ESCO)
                        coex_sta->sco_exist = true;
                else
                        coex_sta->sco_exist = false;
        }

        btc8821a1ant_update_bt_link_info(btcoexist);

        /* mask profile bit for connect-ilde identification
         * (for CSR case: A2DP idle --> 0x41)
         */
        bt_info = bt_info & 0x1f;

        if (!(bt_info & BT_INFO_8821A_1ANT_B_CONNECTION)) {
                coex_dm->bt_status = BT_8821A_1ANT_BT_STATUS_NON_CONNECTED_IDLE;
                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                        "[BTCoex], BtInfoNotify(), BT Non-Connected idle!!!\n");
        } else if (bt_info == BT_INFO_8821A_1ANT_B_CONNECTION) {
                /* connection exists but no busy */
                coex_dm->bt_status = BT_8821A_1ANT_BT_STATUS_CONNECTED_IDLE;
                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                        "[BTCoex], BtInfoNotify(), BT Connected-idle!!!\n");
        } else if ((bt_info&BT_INFO_8821A_1ANT_B_SCO_ESCO) ||
                (bt_info & BT_INFO_8821A_1ANT_B_SCO_BUSY)) {
                coex_dm->bt_status = BT_8821A_1ANT_BT_STATUS_SCO_BUSY;
                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                        "[BTCoex], BtInfoNotify(), BT SCO busy!!!\n");
        } else if (bt_info & BT_INFO_8821A_1ANT_B_ACL_BUSY) {
                if (BT_8821A_1ANT_BT_STATUS_ACL_BUSY != coex_dm->bt_status)
                        coex_dm->auto_tdma_adjust = false;
                coex_dm->bt_status = BT_8821A_1ANT_BT_STATUS_ACL_BUSY;
                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                        "[BTCoex], BtInfoNotify(), BT ACL busy!!!\n");
        } else {
                coex_dm->bt_status = BT_8821A_1ANT_BT_STATUS_MAX;
                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                        "[BTCoex], BtInfoNotify(), BT Non-Defined state!!!\n");
        }

        if ((BT_8821A_1ANT_BT_STATUS_ACL_BUSY == coex_dm->bt_status) ||
            (BT_8821A_1ANT_BT_STATUS_SCO_BUSY == coex_dm->bt_status) ||
            (BT_8821A_1ANT_BT_STATUS_ACL_SCO_BUSY == coex_dm->bt_status))
                bt_busy = true;
        else
                bt_busy = false;
        btcoexist->btc_set(btcoexist,
                           BTC_SET_BL_BT_TRAFFIC_BUSY, &bt_busy);

        btc8821a1ant_run_coexist_mechanism(btcoexist);
}

void ex_btc8821a1ant_halt_notify(struct btc_coexist *btcoexist)
{
        struct rtl_priv *rtlpriv = btcoexist->adapter;
        bool wifi_under_5g = false;

        rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                "[BTCoex], Halt notify\n");
        btcoexist->btc_get(btcoexist, BTC_GET_BL_WIFI_UNDER_5G, &wifi_under_5g);
        if (wifi_under_5g) {
                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                        "[BTCoex], RunCoexistMechanism(), return for 5G <===\n");
                btc8821a1ant_coex_under_5g(btcoexist);
                return;
        }


        btcoexist->stop_coex_dm = true;

        btc8821a1ant_set_ant_path(btcoexist, BTC_ANT_PATH_BT, false, true);
        btc8821a1ant_ignore_wlan_act(btcoexist, FORCE_EXEC, true);

        btc8821a1ant_power_save_state(btcoexist, BTC_PS_WIFI_NATIVE, 0x0, 0x0);
        btc8821a1ant_ps_tdma(btcoexist, FORCE_EXEC, false, 0);

        ex_btc8821a1ant_media_status_notify(btcoexist, BTC_MEDIA_DISCONNECT);
}

void ex_btc8821a1ant_pnp_notify(struct btc_coexist *btcoexist, u8 pnp_state)
{
        struct rtl_priv *rtlpriv = btcoexist->adapter;
        bool wifi_under_5g = false;

        btcoexist->btc_get(btcoexist, BTC_GET_BL_WIFI_UNDER_5G, &wifi_under_5g);
        if (wifi_under_5g) {
                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                        "[BTCoex], RunCoexistMechanism(), return for 5G <===\n");
                btc8821a1ant_coex_under_5g(btcoexist);
                return;
        }

        rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                "[BTCoex], Pnp notify\n");

        if (BTC_WIFI_PNP_SLEEP == pnp_state) {
                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                        "[BTCoex], Pnp notify to SLEEP\n");
                /* BT should clear UnderIPS/UnderLPS state to avoid mismatch
                 * state after wakeup.
                 */
                coex_sta->under_ips = false;
                coex_sta->under_lps = false;
                btcoexist->stop_coex_dm = true;
                btc8821a1ant_power_save_state(btcoexist, BTC_PS_WIFI_NATIVE,
                                              0x0, 0x0);
                btc8821a1ant_ps_tdma(btcoexist, NORMAL_EXEC, false, 0);
                btc8821a1ant_coex_table_with_type(btcoexist, NORMAL_EXEC, 2);
                btc8821a1ant_set_ant_path(btcoexist, BTC_ANT_PATH_BT, false,
                                          true);
        } else if (BTC_WIFI_PNP_WAKE_UP == pnp_state) {
                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                        "[BTCoex], Pnp notify to WAKE UP\n");
                btcoexist->stop_coex_dm = false;
                btc8821a1ant_init_hw_config(btcoexist, false, false);
                btc8821a1ant_init_coex_dm(btcoexist);
                btc8821a1ant_query_bt_info(btcoexist);
        }
}

void ex_btc8821a1ant_periodical(struct btc_coexist *btcoexist)
{
        struct rtl_priv *rtlpriv = btcoexist->adapter;
        static u8 dis_ver_info_cnt;
        u32 fw_ver = 0, bt_patch_ver = 0;
        struct btc_board_info *board_info = &btcoexist->board_info;
        struct btc_stack_info *stack_info = &btcoexist->stack_info;

        rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                "[BTCoex], ==========================Periodical===========================\n");

        if (dis_ver_info_cnt <= 5) {
                dis_ver_info_cnt += 1;
                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                        "[BTCoex], ****************************************************************\n");
                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                        "[BTCoex], Ant PG Num/ Ant Mech/ Ant Pos = %d/ %d/ %d\n",
                        board_info->pg_ant_num,
                        board_info->btdm_ant_num,
                        board_info->btdm_ant_pos);
                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                        "[BTCoex], BT stack/ hci ext ver = %s / %d\n",
                        stack_info->profile_notified ? "Yes" : "No",
                        stack_info->hci_version);
                btcoexist->btc_get(btcoexist, BTC_GET_U4_BT_PATCH_VER,
                                   &bt_patch_ver);
                btcoexist->btc_get(btcoexist, BTC_GET_U4_WIFI_FW_VER, &fw_ver);
                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                        "[BTCoex], CoexVer/ FwVer/ PatchVer = %d_%x/ 0x%x/ 0x%x(%d)\n",
                        glcoex_ver_date_8821a_1ant,
                        glcoex_ver_8821a_1ant,
                        fw_ver, bt_patch_ver,
                        bt_patch_ver);
                rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
                        "[BTCoex], ****************************************************************\n");
        }

        if (!btcoexist->auto_report_1ant) {
                btc8821a1ant_query_bt_info(btcoexist);
                btc8821a1ant_monitor_bt_ctr(btcoexist);
        } else {
                coex_sta->special_pkt_period_cnt++;
        }
}