drivers/net/wireless/realtek/rtw88/coex.c

// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
/* Copyright(c) 2018-2019  Realtek Corporation
 */

#include "main.h"
#include "coex.h"
#include "fw.h"
#include "ps.h"
#include "debug.h"
#include "reg.h"

static u8 rtw_coex_next_rssi_state(struct rtw_dev *rtwdev, u8 pre_state,
				   u8 rssi, u8 rssi_thresh)
{
	struct rtw_chip_info *chip = rtwdev->chip;
	u8 tol = chip->rssi_tolerance;
	u8 next_state;

	if (pre_state == COEX_RSSI_STATE_LOW ||
	    pre_state == COEX_RSSI_STATE_STAY_LOW) {
		if (rssi >= (rssi_thresh + tol))
			next_state = COEX_RSSI_STATE_HIGH;
		else
			next_state = COEX_RSSI_STATE_STAY_LOW;
	} else {
		if (rssi < rssi_thresh)
			next_state = COEX_RSSI_STATE_LOW;
		else
			next_state = COEX_RSSI_STATE_STAY_HIGH;
	}

	return next_state;
}

static void rtw_coex_limited_tx(struct rtw_dev *rtwdev,
				bool tx_limit_en, bool ampdu_limit_en)
{
	struct rtw_chip_info *chip = rtwdev->chip;
	struct rtw_coex *coex = &rtwdev->coex;
	struct rtw_coex_stat *coex_stat = &coex->stat;
	bool wifi_under_b_mode = false;

	if (!chip->scbd_support)
		return;

	/* force max tx retry limit = 8 */
	if (coex_stat->wl_tx_limit_en == tx_limit_en &&
	    coex_stat->wl_ampdu_limit_en == ampdu_limit_en)
		return;

	if (!coex_stat->wl_tx_limit_en) {
		coex_stat->darfrc = rtw_read32(rtwdev, REG_DARFRC);
		coex_stat->darfrch = rtw_read32(rtwdev, REG_DARFRCH);
		coex_stat->retry_limit = rtw_read16(rtwdev, REG_RETRY_LIMIT);
	}

	if (!coex_stat->wl_ampdu_limit_en)
		coex_stat->ampdu_max_time =
				rtw_read8(rtwdev, REG_AMPDU_MAX_TIME_V1);

	coex_stat->wl_tx_limit_en = tx_limit_en;
	coex_stat->wl_ampdu_limit_en = ampdu_limit_en;

	if (tx_limit_en) {
		/* set BT polluted packet on for tx rate adaptive,
		 * not including tx retry broken by PTA
		 */
		rtw_write8_set(rtwdev, REG_TX_HANG_CTRL, BIT_EN_GNT_BT_AWAKE);

		/* set queue life time to avoid can't reach tx retry limit
		 * if tx is always broken by GNT_BT
		 */
		rtw_write8_set(rtwdev, REG_LIFETIME_EN, 0xf);
		rtw_write16(rtwdev, REG_RETRY_LIMIT, 0x0808);

		/* auto rate fallback step within 8 retries */
		if (wifi_under_b_mode) {
			rtw_write32(rtwdev, REG_DARFRC, 0x1000000);
			rtw_write32(rtwdev, REG_DARFRCH, 0x1010101);
		} else {
			rtw_write32(rtwdev, REG_DARFRC, 0x1000000);
			rtw_write32(rtwdev, REG_DARFRCH, 0x4030201);
		}
	} else {
		rtw_write8_clr(rtwdev, REG_TX_HANG_CTRL, BIT_EN_GNT_BT_AWAKE);
		rtw_write8_clr(rtwdev, REG_LIFETIME_EN, 0xf);

		rtw_write16(rtwdev, REG_RETRY_LIMIT, coex_stat->retry_limit);
		rtw_write32(rtwdev, REG_DARFRC, coex_stat->darfrc);
		rtw_write32(rtwdev, REG_DARFRCH, coex_stat->darfrch);
	}

	if (ampdu_limit_en)
		rtw_write8(rtwdev, REG_AMPDU_MAX_TIME_V1, 0x20);
	else
		rtw_write8(rtwdev, REG_AMPDU_MAX_TIME_V1,
			   coex_stat->ampdu_max_time);
}

static void rtw_coex_limited_wl(struct rtw_dev *rtwdev)
{
	struct rtw_coex *coex = &rtwdev->coex;
	struct rtw_coex_dm *coex_dm = &coex->dm;
	struct rtw_coex_stat *coex_stat = &coex->stat;
	bool tx_limit = false;
	bool tx_agg_ctrl = false;

	if (coex->under_5g ||
	    coex_dm->bt_status == COEX_BTSTATUS_NCON_IDLE) {
		/* no need to limit tx */
	} else {
		tx_limit = true;
		if (coex_stat->bt_hid_exist || coex_stat->bt_hfp_exist ||
		    coex_stat->bt_hid_pair_num > 0)
			tx_agg_ctrl = true;
	}

	rtw_coex_limited_tx(rtwdev, tx_limit, tx_agg_ctrl);
}

static void rtw_coex_wl_ccklock_action(struct rtw_dev *rtwdev)
{
	struct rtw_coex *coex = &rtwdev->coex;
	struct rtw_coex_stat *coex_stat = &coex->stat;
	u8 para[6] = {0};

	if (coex->stop_dm)
		return;

	para[0] = COEX_H2C69_WL_LEAKAP;

	if (coex_stat->tdma_timer_base == 3 && coex_stat->wl_slot_extend) {
		para[1] = PARA1_H2C69_DIS_5MS; /* disable 5ms extend */
		rtw_fw_bt_wifi_control(rtwdev, para[0], &para[1]);
		coex_stat->wl_slot_extend = false;
		coex_stat->cnt_wl[COEX_CNT_WL_5MS_NOEXTEND] = 0;
		return;
	}

	if (coex_stat->wl_slot_extend && coex_stat->wl_force_lps_ctrl &&
	    !coex_stat->wl_cck_lock_ever) {
		if (coex_stat->wl_fw_dbg_info[7] <= 5)
			coex_stat->cnt_wl[COEX_CNT_WL_5MS_NOEXTEND]++;
		else
			coex_stat->cnt_wl[COEX_CNT_WL_5MS_NOEXTEND] = 0;

		if (coex_stat->cnt_wl[COEX_CNT_WL_5MS_NOEXTEND] == 7) {
			para[1] = 0x1; /* disable 5ms extend */
			rtw_fw_bt_wifi_control(rtwdev, para[0], &para[1]);
			coex_stat->wl_slot_extend = false;
			coex_stat->cnt_wl[COEX_CNT_WL_5MS_NOEXTEND] = 0;
		}
	} else if (!coex_stat->wl_slot_extend && coex_stat->wl_cck_lock) {
		para[1] = 0x0; /* enable 5ms extend */
		rtw_fw_bt_wifi_control(rtwdev, para[0], &para[1]);
		coex_stat->wl_slot_extend = true;
	}
}

static void rtw_coex_wl_ccklock_detect(struct rtw_dev *rtwdev)
{
	struct rtw_coex *coex = &rtwdev->coex;
	struct rtw_coex_stat *coex_stat = &coex->stat;

	/* TODO: wait for rx_rate_change_notify implement */
	coex_stat->wl_cck_lock = false;
	coex_stat->wl_cck_lock_pre = false;
	coex_stat->wl_cck_lock_ever = false;
}

static void rtw_coex_wl_noisy_detect(struct rtw_dev *rtwdev)
{
	struct rtw_coex *coex = &rtwdev->coex;
	struct rtw_coex_stat *coex_stat = &coex->stat;
	struct rtw_dm_info *dm_info = &rtwdev->dm_info;
	u32 cnt_cck;

	/* wifi noisy environment identification */
	cnt_cck = dm_info->cck_ok_cnt + dm_info->cck_err_cnt;

	if (!coex_stat->wl_gl_busy) {
		if (cnt_cck > 250) {
			if (coex_stat->cnt_wl[COEX_CNT_WL_NOISY2] < 5)
				coex_stat->cnt_wl[COEX_CNT_WL_NOISY2]++;

			if (coex_stat->cnt_wl[COEX_CNT_WL_NOISY2] == 5) {
				coex_stat->cnt_wl[COEX_CNT_WL_NOISY0] = 0;
				coex_stat->cnt_wl[COEX_CNT_WL_NOISY1] = 0;
			}
		} else if (cnt_cck < 100) {
			if (coex_stat->cnt_wl[COEX_CNT_WL_NOISY0] < 5)
				coex_stat->cnt_wl[COEX_CNT_WL_NOISY0]++;

			if (coex_stat->cnt_wl[COEX_CNT_WL_NOISY0] == 5) {
				coex_stat->cnt_wl[COEX_CNT_WL_NOISY1] = 0;
				coex_stat->cnt_wl[COEX_CNT_WL_NOISY2] = 0;
			}
		} else {
			if (coex_stat->cnt_wl[COEX_CNT_WL_NOISY1] < 5)
				coex_stat->cnt_wl[COEX_CNT_WL_NOISY1]++;

			if (coex_stat->cnt_wl[COEX_CNT_WL_NOISY1] == 5) {
				coex_stat->cnt_wl[COEX_CNT_WL_NOISY0] = 0;
				coex_stat->cnt_wl[COEX_CNT_WL_NOISY2] = 0;
			}
		}

		if (coex_stat->cnt_wl[COEX_CNT_WL_NOISY2] == 5)
			coex_stat->wl_noisy_level = 2;
		else if (coex_stat->cnt_wl[COEX_CNT_WL_NOISY1] == 5)
			coex_stat->wl_noisy_level = 1;
		else
			coex_stat->wl_noisy_level = 0;
	}
}

static void rtw_coex_tdma_timer_base(struct rtw_dev *rtwdev, u8 type)
{
	struct rtw_coex *coex = &rtwdev->coex;
	struct rtw_coex_stat *coex_stat = &coex->stat;
	u8 para[2] = {0};

	if (coex_stat->tdma_timer_base == type)
		return;

	coex_stat->tdma_timer_base = type;

	para[0] = COEX_H2C69_TDMA_SLOT;

	if (type == 3) /* 4-slot  */
		para[1] = PARA1_H2C69_TDMA_4SLOT; /* 4-slot */
	else /* 2-slot  */
		para[1] = PARA1_H2C69_TDMA_2SLOT;

	rtw_fw_bt_wifi_control(rtwdev, para[0], &para[1]);

	/* no 5ms_wl_slot_extend for 4-slot mode  */
	if (coex_stat->tdma_timer_base == 3)
		rtw_coex_wl_ccklock_action(rtwdev);
}

static void rtw_coex_set_wl_pri_mask(struct rtw_dev *rtwdev, u8 bitmap,
				     u8 data)
{
	u32 addr;

	addr = REG_BT_COEX_TABLE_H + (bitmap / 8);
	bitmap = bitmap % 8;

	rtw_write8_mask(rtwdev, addr, BIT(bitmap), data);
}

void rtw_coex_write_scbd(struct rtw_dev *rtwdev, u16 bitpos, bool set)
{
	struct rtw_chip_info *chip = rtwdev->chip;
	struct rtw_coex *coex = &rtwdev->coex;
	struct rtw_coex_stat *coex_stat = &coex->stat;
	u16 val = 0x2;

	if (!chip->scbd_support)
		return;

	val |= coex_stat->score_board;

	/* for 8822b, scbd[10] is CQDDR on
	 * for 8822c, scbd[10] is no fix 2M
	 */
	if (!chip->new_scbd10_def && (bitpos & COEX_SCBD_FIX2M)) {
		if (set)
			val &= ~COEX_SCBD_FIX2M;
		else
			val |= COEX_SCBD_FIX2M;
	} else {
		if (set)
			val |= bitpos;
		else
			val &= ~bitpos;
	}

	if (val != coex_stat->score_board) {
		coex_stat->score_board = val;
		val |= BIT_BT_INT_EN;
		rtw_write16(rtwdev, REG_WIFI_BT_INFO, val);
	}
}

static u16 rtw_coex_read_scbd(struct rtw_dev *rtwdev)
{
	struct rtw_chip_info *chip = rtwdev->chip;

	if (!chip->scbd_support)
		return 0;

	return (rtw_read16(rtwdev, REG_WIFI_BT_INFO)) & ~(BIT_BT_INT_EN);
}

static void rtw_coex_check_rfk(struct rtw_dev *rtwdev)
{
	struct rtw_chip_info *chip = rtwdev->chip;
	struct rtw_coex *coex = &rtwdev->coex;
	struct rtw_coex_stat *coex_stat = &coex->stat;
	struct rtw_coex_rfe *coex_rfe = &coex->rfe;
	u8 cnt = 0;
	u32 wait_cnt;
	bool btk, wlk;

	if (coex_rfe->wlg_at_btg && chip->scbd_support &&
	    coex_stat->bt_iqk_state != 0xff) {
		wait_cnt = COEX_RFK_TIMEOUT / COEX_MIN_DELAY;
		do {
			/* BT RFK */
			btk = !!(rtw_coex_read_scbd(rtwdev) & COEX_SCBD_BT_RFK);

			/* WL RFK */
			wlk = !!(rtw_read8(rtwdev, REG_ARFR4) & BIT_WL_RFK);

			if (!btk && !wlk)
				break;

			mdelay(COEX_MIN_DELAY);
		} while (++cnt < wait_cnt);

		if (cnt >= wait_cnt)
			coex_stat->bt_iqk_state = 0xff;
	}
}

static void rtw_coex_query_bt_info(struct rtw_dev *rtwdev)
{
	struct rtw_coex *coex = &rtwdev->coex;
	struct rtw_coex_stat *coex_stat = &coex->stat;

	if (coex_stat->bt_disabled)
		return;

	rtw_fw_query_bt_info(rtwdev);
}

static void rtw_coex_monitor_bt_enable(struct rtw_dev *rtwdev)
{
	struct rtw_chip_info *chip = rtwdev->chip;
	struct rtw_coex *coex = &rtwdev->coex;
	struct rtw_coex_stat *coex_stat = &coex->stat;
	struct rtw_coex_dm *coex_dm = &coex->dm;
	bool bt_disabled = false;
	u16 score_board;

	if (chip->scbd_support) {
		score_board = rtw_coex_read_scbd(rtwdev);
		bt_disabled = !(score_board & COEX_SCBD_ONOFF);
	}

	if (coex_stat->bt_disabled != bt_disabled) {
		rtw_dbg(rtwdev, RTW_DBG_COEX, "coex: BT state changed (%d) -> (%d)\n",
			coex_stat->bt_disabled, bt_disabled);

		coex_stat->bt_disabled = bt_disabled;
		coex_stat->bt_ble_scan_type = 0;
		coex_dm->cur_bt_lna_lvl = 0;
	}

	if (!coex_stat->bt_disabled) {
		coex_stat->bt_reenable = true;
		ieee80211_queue_delayed_work(rtwdev->hw,
					     &coex->bt_reenable_work, 15 * HZ);
	} else {
		coex_stat->bt_mailbox_reply = false;
		coex_stat->bt_reenable = false;
	}
}

static void rtw_coex_update_wl_link_info(struct rtw_dev *rtwdev, u8 reason)
{
	struct rtw_coex *coex = &rtwdev->coex;
	struct rtw_coex_stat *coex_stat = &coex->stat;
	struct rtw_coex_dm *coex_dm = &coex->dm;
	struct rtw_chip_info *chip = rtwdev->chip;
	struct rtw_traffic_stats *stats = &rtwdev->stats;
	bool is_5G = false;
	bool scan = false, link = false;
	int i;
	u8 rssi_state;
	u8 rssi_step;
	u8 rssi;

	scan = rtw_flag_check(rtwdev, RTW_FLAG_SCANNING);
	coex_stat->wl_connected = !!rtwdev->sta_cnt;
	coex_stat->wl_gl_busy = rtw_flag_check(rtwdev, RTW_FLAG_BUSY_TRAFFIC);

	if (stats->tx_throughput > stats->rx_throughput)
		coex_stat->wl_tput_dir = COEX_WL_TPUT_TX;
	else
		coex_stat->wl_tput_dir = COEX_WL_TPUT_RX;

	if (scan || link || reason == COEX_RSN_2GCONSTART ||
	    reason == COEX_RSN_2GSCANSTART || reason == COEX_RSN_2GSWITCHBAND)
		coex_stat->wl_linkscan_proc = true;
	else
		coex_stat->wl_linkscan_proc = false;

	rtw_coex_wl_noisy_detect(rtwdev);

	for (i = 0; i < 4; i++) {
		rssi_state = coex_dm->wl_rssi_state[i];
		rssi_step = chip->wl_rssi_step[i];
		rssi = rtwdev->dm_info.min_rssi;
		rssi_state = rtw_coex_next_rssi_state(rtwdev, rssi_state,
						      rssi, rssi_step);
		coex_dm->wl_rssi_state[i] = rssi_state;
	}

	switch (reason) {
	case COEX_RSN_5GSCANSTART:
	case COEX_RSN_5GSWITCHBAND:
	case COEX_RSN_5GCONSTART:

		is_5G = true;
		break;
	case COEX_RSN_2GSCANSTART:
	case COEX_RSN_2GSWITCHBAND:
	case COEX_RSN_2GCONSTART:

		is_5G = false;
		break;
	default:
		if (rtwdev->hal.current_band_type == RTW_BAND_5G)
			is_5G = true;
		else
			is_5G = false;
		break;
	}

	coex->under_5g = is_5G;
}

static inline u8 *get_payload_from_coex_resp(struct sk_buff *resp)
{
	struct rtw_c2h_cmd *c2h;
	u32 pkt_offset;

	pkt_offset = *((u32 *)resp->cb);
	c2h = (struct rtw_c2h_cmd *)(resp->data + pkt_offset);

	return c2h->payload;
}

void rtw_coex_info_response(struct rtw_dev *rtwdev, struct sk_buff *skb)
{
	struct rtw_coex *coex = &rtwdev->coex;
	u8 *payload = get_payload_from_coex_resp(skb);

	if (payload[0] != COEX_RESP_ACK_BY_WL_FW)
		return;

	skb_queue_tail(&coex->queue, skb);
	wake_up(&coex->wait);
}

static struct sk_buff *rtw_coex_info_request(struct rtw_dev *rtwdev,
					     struct rtw_coex_info_req *req)
{
	struct rtw_coex *coex = &rtwdev->coex;
	struct sk_buff *skb_resp = NULL;

	mutex_lock(&coex->mutex);

	rtw_fw_query_bt_mp_info(rtwdev, req);

	if (!wait_event_timeout(coex->wait, !skb_queue_empty(&coex->queue),
				COEX_REQUEST_TIMEOUT)) {
		rtw_err(rtwdev, "coex request time out\n");
		goto out;
	}

	skb_resp = skb_dequeue(&coex->queue);
	if (!skb_resp) {
		rtw_err(rtwdev, "failed to get coex info response\n");
		goto out;
	}

out:
	mutex_unlock(&coex->mutex);
	return skb_resp;
}

static bool rtw_coex_get_bt_scan_type(struct rtw_dev *rtwdev, u8 *scan_type)
{
	struct rtw_coex_info_req req = {0};
	struct sk_buff *skb;
	u8 *payload;
	bool ret = false;

	req.op_code = BT_MP_INFO_OP_SCAN_TYPE;
	skb = rtw_coex_info_request(rtwdev, &req);
	if (!skb)
		goto out;

	payload = get_payload_from_coex_resp(skb);
	*scan_type = GET_COEX_RESP_BT_SCAN_TYPE(payload);
	dev_kfree_skb_any(skb);
	ret = true;

out:
	return ret;
}

static bool rtw_coex_set_lna_constrain_level(struct rtw_dev *rtwdev,
					     u8 lna_constrain_level)
{
	struct rtw_coex_info_req req = {0};
	struct sk_buff *skb;
	bool ret = false;

	req.op_code = BT_MP_INFO_OP_LNA_CONSTRAINT;
	req.para1 = lna_constrain_level;
	skb = rtw_coex_info_request(rtwdev, &req);
	if (!skb)
		goto out;

	dev_kfree_skb_any(skb);
	ret = true;

out:
	return ret;
}

static void rtw_coex_update_bt_link_info(struct rtw_dev *rtwdev)
{
	struct rtw_coex *coex = &rtwdev->coex;
	struct rtw_coex_stat *coex_stat = &coex->stat;
	struct rtw_coex_dm *coex_dm = &coex->dm;
	struct rtw_chip_info *chip = rtwdev->chip;
	u8 i;
	u8 rssi_state;
	u8 rssi_step;
	u8 rssi;

	/* update wl/bt rssi by btinfo */
	for (i = 0; i < COEX_RSSI_STEP; i++) {
		rssi_state = coex_dm->bt_rssi_state[i];
		rssi_step = chip->bt_rssi_step[i];
		rssi = coex_stat->bt_rssi;
		rssi_state = rtw_coex_next_rssi_state(rtwdev, rssi_state,
						      rssi, rssi_step);
		coex_dm->bt_rssi_state[i] = rssi_state;
	}

	for (i = 0; i < COEX_RSSI_STEP; i++) {
		rssi_state = coex_dm->wl_rssi_state[i];
		rssi_step = chip->wl_rssi_step[i];
		rssi = rtwdev->dm_info.min_rssi;
		rssi_state = rtw_coex_next_rssi_state(rtwdev, rssi_state,
						      rssi, rssi_step);
		coex_dm->wl_rssi_state[i] = rssi_state;
	}

	if (coex_stat->bt_ble_scan_en &&
	    coex_stat->cnt_bt[COEX_CNT_BT_INFOUPDATE] % 3 == 0) {
		u8 scan_type;

		if (rtw_coex_get_bt_scan_type(rtwdev, &scan_type)) {
			coex_stat->bt_ble_scan_type = scan_type;
			if ((coex_stat->bt_ble_scan_type & 0x1) == 0x1)
				coex_stat->bt_init_scan = true;
			else
				coex_stat->bt_init_scan = false;
		}
	}

	coex_stat->bt_profile_num = 0;

	/* set link exist status */
	if (!(coex_stat->bt_info_lb2 & COEX_INFO_CONNECTION)) {
		coex_stat->bt_link_exist = false;
		coex_stat->bt_pan_exist = false;
		coex_stat->bt_a2dp_exist = false;
		coex_stat->bt_hid_exist = false;
		coex_stat->bt_hfp_exist = false;
	} else {
		/* connection exists */
		coex_stat->bt_link_exist = true;
		if (coex_stat->bt_info_lb2 & COEX_INFO_FTP) {
			coex_stat->bt_pan_exist = true;
			coex_stat->bt_profile_num++;
		} else {
			coex_stat->bt_pan_exist = false;
		}

		if (coex_stat->bt_info_lb2 & COEX_INFO_A2DP) {
			coex_stat->bt_a2dp_exist = true;
			coex_stat->bt_profile_num++;
		} else {
			coex_stat->bt_a2dp_exist = false;
		}

		if (coex_stat->bt_info_lb2 & COEX_INFO_HID) {
			coex_stat->bt_hid_exist = true;
			coex_stat->bt_profile_num++;
		} else {
			coex_stat->bt_hid_exist = false;
		}

		if (coex_stat->bt_info_lb2 & COEX_INFO_SCO_ESCO) {
			coex_stat->bt_hfp_exist = true;
			coex_stat->bt_profile_num++;
		} else {
			coex_stat->bt_hfp_exist = false;
		}
	}

	if (coex_stat->bt_info_lb2 & COEX_INFO_INQ_PAGE) {
		coex_dm->bt_status = COEX_BTSTATUS_INQ_PAGE;
	} else if (!(coex_stat->bt_info_lb2 & COEX_INFO_CONNECTION)) {
		coex_dm->bt_status = COEX_BTSTATUS_NCON_IDLE;
	} else if (coex_stat->bt_info_lb2 == COEX_INFO_CONNECTION) {
		coex_dm->bt_status = COEX_BTSTATUS_CON_IDLE;
	} else if ((coex_stat->bt_info_lb2 & COEX_INFO_SCO_ESCO) ||
		   (coex_stat->bt_info_lb2 & COEX_INFO_SCO_BUSY)) {
		if (coex_stat->bt_info_lb2 & COEX_INFO_ACL_BUSY)
			coex_dm->bt_status = COEX_BTSTATUS_ACL_SCO_BUSY;
		else
			coex_dm->bt_status = COEX_BTSTATUS_SCO_BUSY;
	} else if (coex_stat->bt_info_lb2 & COEX_INFO_ACL_BUSY) {
		coex_dm->bt_status = COEX_BTSTATUS_ACL_BUSY;
	} else {
		coex_dm->bt_status = COEX_BTSTATUS_MAX;
	}

	coex_stat->cnt_bt[COEX_CNT_BT_INFOUPDATE]++;

	rtw_dbg(rtwdev, RTW_DBG_COEX, "coex: bt status(%d)\n", coex_dm->bt_status);
}

static void rtw_coex_update_wl_ch_info(struct rtw_dev *rtwdev, u8 type)
{
	struct rtw_chip_info *chip = rtwdev->chip;
	struct rtw_coex_dm *coex_dm = &rtwdev->coex.dm;
	struct rtw_efuse *efuse = &rtwdev->efuse;
	u8 link = 0;
	u8 center_chan = 0;
	u8 bw;
	int i;

	bw = rtwdev->hal.current_band_width;

	if (type != COEX_MEDIA_DISCONNECT)
		center_chan = rtwdev->hal.current_channel;

	if (center_chan == 0 || (efuse->share_ant && center_chan <= 14)) {
		link = 0;
	} else if (center_chan <= 14) {
		link = 0x1;

		if (bw == RTW_CHANNEL_WIDTH_40)
			bw = chip->bt_afh_span_bw40;
		else
			bw = chip->bt_afh_span_bw20;
	} else if (chip->afh_5g_num > 1) {
		for (i = 0; i < chip->afh_5g_num; i++) {
			if (center_chan == chip->afh_5g[i].wl_5g_ch) {
				link = 0x3;
				center_chan = chip->afh_5g[i].bt_skip_ch;
				bw = chip->afh_5g[i].bt_skip_span;
				break;
			}
		}
	}

	coex_dm->wl_ch_info[0] = link;
	coex_dm->wl_ch_info[1] = center_chan;
	coex_dm->wl_ch_info[2] = bw;

	rtw_fw_wl_ch_info(rtwdev, link, center_chan, bw);
}

static void rtw_coex_set_bt_tx_power(struct rtw_dev *rtwdev, u8 bt_pwr_dec_lvl)
{
	struct rtw_coex *coex = &rtwdev->coex;
	struct rtw_coex_dm *coex_dm = &coex->dm;

	if (bt_pwr_dec_lvl == coex_dm->cur_bt_pwr_lvl)
		return;

	coex_dm->cur_bt_pwr_lvl = bt_pwr_dec_lvl;

	rtw_fw_force_bt_tx_power(rtwdev, bt_pwr_dec_lvl);
}

static void rtw_coex_set_bt_rx_gain(struct rtw_dev *rtwdev, u8 bt_lna_lvl)
{
	struct rtw_coex *coex = &rtwdev->coex;
	struct rtw_coex_dm *coex_dm = &coex->dm;

	if (bt_lna_lvl == coex_dm->cur_bt_lna_lvl)
		return;

	coex_dm->cur_bt_lna_lvl = bt_lna_lvl;

	/* notify BT rx gain table changed */
	if (bt_lna_lvl < 7) {
		rtw_coex_set_lna_constrain_level(rtwdev, bt_lna_lvl);
		rtw_coex_write_scbd(rtwdev, COEX_SCBD_RXGAIN, true);
	} else {
		rtw_coex_write_scbd(rtwdev, COEX_SCBD_RXGAIN, false);
	}
}

static void rtw_coex_set_rf_para(struct rtw_dev *rtwdev,
				 struct coex_rf_para para)
{
	struct rtw_coex *coex = &rtwdev->coex;
	struct rtw_coex_stat *coex_stat = &coex->stat;
	u8 offset = 0;

	if (coex->freerun && coex_stat->wl_noisy_level <= 1)
		offset = 3;

	rtw_coex_set_wl_tx_power(rtwdev, para.wl_pwr_dec_lvl);
	rtw_coex_set_bt_tx_power(rtwdev, para.bt_pwr_dec_lvl + offset);
	rtw_coex_set_wl_rx_gain(rtwdev, para.wl_low_gain_en);
	rtw_coex_set_bt_rx_gain(rtwdev, para.bt_lna_lvl);
}

u32 rtw_coex_read_indirect_reg(struct rtw_dev *rtwdev, u16 addr)
{
	u32 val;

	if (!ltecoex_read_reg(rtwdev, addr, &val)) {
		rtw_err(rtwdev, "failed to read indirect register\n");
		return 0;
	}

	return val;
}

void rtw_coex_write_indirect_reg(struct rtw_dev *rtwdev, u16 addr,
				 u32 mask, u32 val)
{
	u32 shift = __ffs(mask);
	u32 tmp;

	tmp = rtw_coex_read_indirect_reg(rtwdev, addr);
	tmp = (tmp & (~mask)) | ((val << shift) & mask);

	if (!ltecoex_reg_write(rtwdev, addr, tmp))
		rtw_err(rtwdev, "failed to write indirect register\n");
}

static void rtw_coex_coex_ctrl_owner(struct rtw_dev *rtwdev, bool wifi_control)
{
	if (wifi_control)
		rtw_write32_set(rtwdev, REG_SYS_SDIO_CTRL, BIT_LTE_MUX_CTRL_PATH);
	else
		rtw_write32_clr(rtwdev, REG_SYS_SDIO_CTRL, BIT_LTE_MUX_CTRL_PATH);
}

static void rtw_coex_set_gnt_bt(struct rtw_dev *rtwdev, u8 state)
{
	rtw_coex_write_indirect_reg(rtwdev, 0x38, 0xc000, state);
	rtw_coex_write_indirect_reg(rtwdev, 0x38, 0x0c00, state);
}

static void rtw_coex_set_gnt_wl(struct rtw_dev *rtwdev, u8 state)
{
	rtw_coex_write_indirect_reg(rtwdev, 0x38, 0x3000, state);
	rtw_coex_write_indirect_reg(rtwdev, 0x38, 0x0300, state);
}

static void rtw_coex_set_table(struct rtw_dev *rtwdev, u32 table0, u32 table1)
{
#define DEF_BRK_TABLE_VAL	0xf0ffffff
	rtw_write32(rtwdev, REG_BT_COEX_TABLE0, table0);
	rtw_write32(rtwdev, REG_BT_COEX_TABLE1, table1);
	rtw_write32(rtwdev, REG_BT_COEX_BRK_TABLE, DEF_BRK_TABLE_VAL);
}

static void rtw_coex_table(struct rtw_dev *rtwdev, u8 type)
{
	struct rtw_coex *coex = &rtwdev->coex;
	struct rtw_coex_dm *coex_dm = &coex->dm;
	struct rtw_chip_info *chip = rtwdev->chip;
	struct rtw_efuse *efuse = &rtwdev->efuse;

	coex_dm->cur_table = type;

	if (efuse->share_ant) {
		if (type < chip->table_sant_num)
			rtw_coex_set_table(rtwdev,
					   chip->table_sant[type].bt,
					   chip->table_sant[type].wl);
	} else {
		type = type - 100;
		if (type < chip->table_nsant_num)
			rtw_coex_set_table(rtwdev,
					   chip->table_nsant[type].bt,
					   chip->table_nsant[type].wl);
	}
}

static void rtw_coex_ignore_wlan_act(struct rtw_dev *rtwdev, bool enable)
{
	struct rtw_coex *coex = &rtwdev->coex;

	if (coex->stop_dm)
		return;

	rtw_fw_bt_ignore_wlan_action(rtwdev, enable);
}

static void rtw_coex_power_save_state(struct rtw_dev *rtwdev, u8 ps_type,
				      u8 lps_val, u8 rpwm_val)
{
	struct rtw_lps_conf *lps_conf = &rtwdev->lps_conf;
	struct rtw_vif *rtwvif;
	struct rtw_coex *coex = &rtwdev->coex;
	struct rtw_coex_stat *coex_stat = &coex->stat;
	u8 lps_mode = 0x0;

	lps_mode = rtwdev->lps_conf.mode;

	switch (ps_type) {
	case COEX_PS_WIFI_NATIVE:
		/* recover to original 32k low power setting */
		coex_stat->wl_force_lps_ctrl = false;

		rtwvif = lps_conf->rtwvif;
		if (rtwvif && rtw_in_lps(rtwdev))
			rtw_leave_lps(rtwdev, rtwvif);
		break;
	case COEX_PS_LPS_OFF:
		coex_stat->wl_force_lps_ctrl = true;
		if (lps_mode)
			rtw_fw_coex_tdma_type(rtwdev, 0x8, 0, 0, 0, 0);

		rtwvif = lps_conf->rtwvif;
		if (rtwvif && rtw_in_lps(rtwdev))
			rtw_leave_lps(rtwdev, rtwvif);
		break;
	default:
		break;
	}
}

static void rtw_coex_set_tdma(struct rtw_dev *rtwdev, u8 byte1, u8 byte2,
			      u8 byte3, u8 byte4, u8 byte5)
{
	struct rtw_coex *coex = &rtwdev->coex;
	struct rtw_coex_dm *coex_dm = &coex->dm;
	struct rtw_chip_info *chip = rtwdev->chip;
	u8 ps_type = COEX_PS_WIFI_NATIVE;
	bool ap_enable = false;

	if (ap_enable && (byte1 & BIT(4) && !(byte1 & BIT(5)))) {
		byte1 &= ~BIT(4);
		byte1 |= BIT(5);

		byte5 |= BIT(5);
		byte5 &= ~BIT(6);

		ps_type = COEX_PS_WIFI_NATIVE;
		rtw_coex_power_save_state(rtwdev, ps_type, 0x0, 0x0);
	} else if (byte1 & BIT(4) && !(byte1 & BIT(5))) {
		if (chip->pstdma_type == COEX_PSTDMA_FORCE_LPSOFF)
			ps_type = COEX_PS_LPS_OFF;
		else
			ps_type = COEX_PS_LPS_ON;
		rtw_coex_power_save_state(rtwdev, ps_type, 0x50, 0x4);
	} else {
		ps_type = COEX_PS_WIFI_NATIVE;
		rtw_coex_power_save_state(rtwdev, ps_type, 0x0, 0x0);
	}

	coex_dm->ps_tdma_para[0] = 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] = byte5;

	rtw_fw_coex_tdma_type(rtwdev, byte1, byte2, byte3, byte4, byte5);
}

static void rtw_coex_tdma(struct rtw_dev *rtwdev, bool force, u32 tcase)
{
	struct rtw_coex *coex = &rtwdev->coex;
	struct rtw_coex_dm *coex_dm = &coex->dm;
	struct rtw_chip_info *chip = rtwdev->chip;
	struct rtw_efuse *efuse = &rtwdev->efuse;
	u8 n, type;
	bool turn_on;

	if (tcase & TDMA_4SLOT)/* 4-slot (50ms) mode */
		rtw_coex_tdma_timer_base(rtwdev, 3);
	else
		rtw_coex_tdma_timer_base(rtwdev, 0);

	type = (u8)(tcase & 0xff);

	turn_on = (type == 0 || type == 100) ? false : true;

	if (!force) {
		if (turn_on == coex_dm->cur_ps_tdma_on &&
		    type == coex_dm->cur_ps_tdma) {
			return;
		}
	}

	if (turn_on) {
		/* enable TBTT interrupt */
		rtw_write8_set(rtwdev, REG_BCN_CTRL, BIT_EN_BCN_FUNCTION);
		rtw_coex_write_scbd(rtwdev, COEX_SCBD_TDMA, true);
	} else {
		rtw_coex_write_scbd(rtwdev, COEX_SCBD_TDMA, false);
	}

	if (efuse->share_ant) {
		if (type < chip->tdma_sant_num)
			rtw_coex_set_tdma(rtwdev,
					  chip->tdma_sant[type].para[0],
					  chip->tdma_sant[type].para[1],
					  chip->tdma_sant[type].para[2],
					  chip->tdma_sant[type].para[3],
					  chip->tdma_sant[type].para[4]);
	} else {
		n = type - 100;
		if (n < chip->tdma_nsant_num)
			rtw_coex_set_tdma(rtwdev,
					  chip->tdma_nsant[n].para[0],
					  chip->tdma_nsant[n].para[1],
					  chip->tdma_nsant[n].para[2],
					  chip->tdma_nsant[n].para[3],
					  chip->tdma_nsant[n].para[4]);
	}

	/* update pre state */
	coex_dm->cur_ps_tdma_on = turn_on;
	coex_dm->cur_ps_tdma = type;

	rtw_dbg(rtwdev, RTW_DBG_COEX, "coex: coex tdma type (%d)\n", type);
}

static void rtw_coex_set_ant_path(struct rtw_dev *rtwdev, bool force, u8 phase)
{
	struct rtw_coex *coex = &rtwdev->coex;
	struct rtw_coex_stat *coex_stat = &coex->stat;
	struct rtw_coex_dm *coex_dm = &coex->dm;
	u8 ctrl_type = COEX_SWITCH_CTRL_MAX;
	u8 pos_type = COEX_SWITCH_TO_MAX;

	if (!force && coex_dm->cur_ant_pos_type == phase)
		return;

	coex_dm->cur_ant_pos_type = phase;

	/* avoid switch coex_ctrl_owner during BT IQK */
	rtw_coex_check_rfk(rtwdev);

	switch (phase) {
	case COEX_SET_ANT_POWERON:
		/* set path control owner to BT at power-on */
		if (coex_stat->bt_disabled)
			rtw_coex_coex_ctrl_owner(rtwdev, true);
		else
			rtw_coex_coex_ctrl_owner(rtwdev, false);

		ctrl_type = COEX_SWITCH_CTRL_BY_BBSW;
		pos_type = COEX_SWITCH_TO_BT;
		break;
	case COEX_SET_ANT_INIT:
		if (coex_stat->bt_disabled) {
			/* set GNT_BT to SW low */
			rtw_coex_set_gnt_bt(rtwdev, COEX_GNT_SET_SW_LOW);

			/* set GNT_WL to SW high */
			rtw_coex_set_gnt_wl(rtwdev, COEX_GNT_SET_SW_HIGH);
		} else {
			/* set GNT_BT to SW high */
			rtw_coex_set_gnt_bt(rtwdev, COEX_GNT_SET_SW_HIGH);

			/* set GNT_WL to SW low */
			rtw_coex_set_gnt_wl(rtwdev, COEX_GNT_SET_SW_LOW);
		}

		/* set path control owner to wl at initial step */
		rtw_coex_coex_ctrl_owner(rtwdev, true);

		ctrl_type = COEX_SWITCH_CTRL_BY_BBSW;
		pos_type = COEX_SWITCH_TO_BT;
		break;
	case COEX_SET_ANT_WONLY:
		/* set GNT_BT to SW Low */
		rtw_coex_set_gnt_bt(rtwdev, COEX_GNT_SET_SW_LOW);

		/* Set GNT_WL to SW high */
		rtw_coex_set_gnt_wl(rtwdev, COEX_GNT_SET_SW_HIGH);

		/* set path control owner to wl at initial step */
		rtw_coex_coex_ctrl_owner(rtwdev, true);

		ctrl_type = COEX_SWITCH_CTRL_BY_BBSW;
		pos_type = COEX_SWITCH_TO_WLG;
		break;
	case COEX_SET_ANT_WOFF:
		/* set path control owner to BT */
		rtw_coex_coex_ctrl_owner(rtwdev, false);

		ctrl_type = COEX_SWITCH_CTRL_BY_BT;
		pos_type = COEX_SWITCH_TO_NOCARE;
		break;
	case COEX_SET_ANT_2G:
		/* set GNT_BT to PTA */
		rtw_coex_set_gnt_bt(rtwdev, COEX_GNT_SET_HW_PTA);

		/* set GNT_WL to PTA */
		rtw_coex_set_gnt_wl(rtwdev, COEX_GNT_SET_HW_PTA);

		/* set path control owner to wl at runtime step */
		rtw_coex_coex_ctrl_owner(rtwdev, true);

		ctrl_type = COEX_SWITCH_CTRL_BY_PTA;
		pos_type = COEX_SWITCH_TO_NOCARE;
		break;
	case COEX_SET_ANT_5G:
		/* set GNT_BT to PTA */
		rtw_coex_set_gnt_bt(rtwdev, COEX_GNT_SET_SW_HIGH);

		/* set GNT_WL to SW high */
		rtw_coex_set_gnt_wl(rtwdev, COEX_GNT_SET_SW_HIGH);

		/* set path control owner to wl at runtime step */
		rtw_coex_coex_ctrl_owner(rtwdev, true);

		ctrl_type = COEX_SWITCH_CTRL_BY_BBSW;
		pos_type = COEX_SWITCH_TO_WLA;
		break;
	case COEX_SET_ANT_2G_FREERUN:
		/* set GNT_BT to SW high */
		rtw_coex_set_gnt_bt(rtwdev, COEX_GNT_SET_SW_HIGH);

		/* Set GNT_WL to SW high */
		rtw_coex_set_gnt_wl(rtwdev, COEX_GNT_SET_SW_HIGH);

		/* set path control owner to wl at runtime step */
		rtw_coex_coex_ctrl_owner(rtwdev, true);

		ctrl_type = COEX_SWITCH_CTRL_BY_BBSW;
		pos_type = COEX_SWITCH_TO_WLG_BT;
		break;
	case COEX_SET_ANT_2G_WLBT:
		/* set GNT_BT to SW high */
		rtw_coex_set_gnt_bt(rtwdev, COEX_GNT_SET_HW_PTA);

		/* Set GNT_WL to SW high */
		rtw_coex_set_gnt_wl(rtwdev, COEX_GNT_SET_HW_PTA);

		/* set path control owner to wl at runtime step */
		rtw_coex_coex_ctrl_owner(rtwdev, true);

		ctrl_type = COEX_SWITCH_CTRL_BY_BBSW;
		pos_type = COEX_SWITCH_TO_WLG_BT;
		break;
	default:
		WARN(1, "unknown phase when setting antenna path\n");
		return;
	}

	if (ctrl_type < COEX_SWITCH_CTRL_MAX && pos_type < COEX_SWITCH_TO_MAX)
		rtw_coex_set_ant_switch(rtwdev, ctrl_type, pos_type);
}

static u8 rtw_coex_algorithm(struct rtw_dev *rtwdev)
{
	struct rtw_coex *coex = &rtwdev->coex;
	struct rtw_coex_stat *coex_stat = &coex->stat;
	u8 algorithm = COEX_ALGO_NOPROFILE;
	u8 profile_map = 0;

	if (coex_stat->bt_hfp_exist)
		profile_map |= BPM_HFP;
	if (coex_stat->bt_hid_exist)
		profile_map |= BPM_HID;
	if (coex_stat->bt_a2dp_exist)
		profile_map |= BPM_A2DP;
	if (coex_stat->bt_pan_exist)
		profile_map |= BPM_PAN;

	switch (profile_map) {
	case BPM_HFP:
		algorithm = COEX_ALGO_HFP;
		break;
	case           BPM_HID:
	case BPM_HFP + BPM_HID:
		algorithm = COEX_ALGO_HID;
		break;
	case BPM_HFP           + BPM_A2DP:
	case           BPM_HID + BPM_A2DP:
	case BPM_HFP + BPM_HID + BPM_A2DP:
		algorithm = COEX_ALGO_A2DP_HID;
		break;
	case BPM_HFP                      + BPM_PAN:
	case           BPM_HID            + BPM_PAN:
	case BPM_HFP + BPM_HID            + BPM_PAN:
		algorithm = COEX_ALGO_PAN_HID;
		break;
	case BPM_HFP           + BPM_A2DP + BPM_PAN:
	case           BPM_HID + BPM_A2DP + BPM_PAN:
	case BPM_HFP + BPM_HID + BPM_A2DP + BPM_PAN:
		algorithm = COEX_ALGO_A2DP_PAN_HID;
		break;
	case                                BPM_PAN:
		algorithm = COEX_ALGO_PAN;
		break;
	case                     BPM_A2DP + BPM_PAN:
		algorithm = COEX_ALGO_A2DP_PAN;
		break;
	case                     BPM_A2DP:
		if (coex_stat->bt_multi_link) {
			if (coex_stat->bt_hid_pair_num > 0)
				algorithm = COEX_ALGO_A2DP_HID;
			else
				algorithm = COEX_ALGO_A2DP_PAN;
		} else {
			algorithm = COEX_ALGO_A2DP;
		}
		break;
	default:
		algorithm = COEX_ALGO_NOPROFILE;
		break;
	}

	return algorithm;
}

static void rtw_coex_action_coex_all_off(struct rtw_dev *rtwdev)
{
	struct rtw_efuse *efuse = &rtwdev->efuse;
	struct rtw_chip_info *chip = rtwdev->chip;
	u8 table_case, tdma_case;

	if (efuse->share_ant) {
		/* Shared-Ant */
		table_case = 2;
		tdma_case = 0;
	} else {
		/* Non-Shared-Ant */
		table_case = 100;
		tdma_case = 100;
	}

	rtw_coex_set_rf_para(rtwdev, chip->wl_rf_para_rx[0]);
	rtw_coex_table(rtwdev, table_case);
	rtw_coex_tdma(rtwdev, false, tdma_case);
}

static void rtw_coex_action_freerun(struct rtw_dev *rtwdev)
{
	struct rtw_coex *coex = &rtwdev->coex;
	struct rtw_coex_stat *coex_stat = &coex->stat;
	struct rtw_coex_dm *coex_dm = &coex->dm;
	struct rtw_efuse *efuse = &rtwdev->efuse;
	struct rtw_chip_info *chip = rtwdev->chip;
	u8 level = 0;

	if (efuse->share_ant)
		return;

	coex->freerun = true;

	if (coex_stat->wl_connected)
		rtw_coex_update_wl_ch_info(rtwdev, COEX_MEDIA_CONNECT);

	rtw_coex_set_ant_path(rtwdev, false, COEX_SET_ANT_2G_FREERUN);

	rtw_coex_write_scbd(rtwdev, COEX_SCBD_FIX2M, false);

	if (COEX_RSSI_HIGH(coex_dm->wl_rssi_state[0]))
		level = 2;
	else if (COEX_RSSI_HIGH(coex_dm->wl_rssi_state[1]))
		level = 3;
	else if (COEX_RSSI_HIGH(coex_dm->wl_rssi_state[2]))
		level = 4;
	else
		level = 5;

	if (level > chip->wl_rf_para_num - 1)
		level = chip->wl_rf_para_num - 1;

	if (coex_stat->wl_tput_dir == COEX_WL_TPUT_TX)
		rtw_coex_set_rf_para(rtwdev, chip->wl_rf_para_tx[level]);
	else
		rtw_coex_set_rf_para(rtwdev, chip->wl_rf_para_rx[level]);

	rtw_coex_table(rtwdev, 100);
	rtw_coex_tdma(rtwdev, false, 100);
}

static void rtw_coex_action_bt_whql_test(struct rtw_dev *rtwdev)
{
	struct rtw_efuse *efuse = &rtwdev->efuse;
	struct rtw_chip_info *chip = rtwdev->chip;
	u8 table_case, tdma_case;

	if (efuse->share_ant) {
		/* Shared-Ant */
		table_case = 2;
		tdma_case = 0;
	} else {
		/* Non-Shared-Ant */
		table_case = 100;
		tdma_case = 100;
	}

	rtw_coex_set_ant_path(rtwdev, false, COEX_SET_ANT_2G);
	rtw_coex_set_rf_para(rtwdev, chip->wl_rf_para_rx[0]);
	rtw_coex_table(rtwdev, table_case);
	rtw_coex_tdma(rtwdev, false, tdma_case);
}

static void rtw_coex_action_bt_relink(struct rtw_dev *rtwdev)
{
	struct rtw_efuse *efuse = &rtwdev->efuse;
	struct rtw_chip_info *chip = rtwdev->chip;
	u8 table_case, tdma_case;

	if (efuse->share_ant) {
		/* Shared-Ant */
		table_case = 1;
		tdma_case = 0;
	} else {
		/* Non-Shared-Ant */
		table_case = 100;
		tdma_case = 100;
	}

	rtw_coex_set_ant_path(rtwdev, false, COEX_SET_ANT_2G);
	rtw_coex_set_rf_para(rtwdev, chip->wl_rf_para_rx[0]);
	rtw_coex_table(rtwdev, table_case);
	rtw_coex_tdma(rtwdev, false, tdma_case);
}

static void rtw_coex_action_bt_idle(struct rtw_dev *rtwdev)
{
	struct rtw_coex *coex = &rtwdev->coex;
	struct rtw_coex_stat *coex_stat = &coex->stat;
	struct rtw_coex_dm *coex_dm = &coex->dm;
	struct rtw_efuse *efuse = &rtwdev->efuse;
	struct rtw_chip_info *chip = rtwdev->chip;
	struct rtw_coex_rfe *coex_rfe = &coex->rfe;
	u8 table_case = 0xff, tdma_case = 0xff;

	if (coex_rfe->ant_switch_with_bt &&
	    coex_dm->bt_status == COEX_BTSTATUS_NCON_IDLE) {
		if (efuse->share_ant &&
		    COEX_RSSI_HIGH(coex_dm->wl_rssi_state[1])) {
			table_case = 0;
			tdma_case = 0;
		} else if (!efuse->share_ant) {
			table_case = 100;
			tdma_case = 100;
		}
	}

	if (table_case != 0xff && tdma_case != 0xff) {
		rtw_coex_set_ant_path(rtwdev, false, COEX_SET_ANT_2G_FREERUN);
		rtw_coex_table(rtwdev, table_case);
		rtw_coex_tdma(rtwdev, false, tdma_case);
		return;
	}

	rtw_coex_set_ant_path(rtwdev, false, COEX_SET_ANT_2G);

	if (efuse->share_ant) {
		/* Shared-Ant */
		if (!coex_stat->wl_gl_busy) {
			table_case = 10;
			tdma_case = 3;
		} else if (coex_dm->bt_status == COEX_BTSTATUS_NCON_IDLE) {
			table_case = 6;
			tdma_case = 7;
		} else {
			table_case = 12;
			tdma_case = 7;
		}
	} else {
		/* Non-Shared-Ant */
		if (!coex_stat->wl_gl_busy) {
			table_case = 112;
			tdma_case = 104;
		} else if ((coex_stat->bt_ble_scan_type & 0x2) &&
			    coex_dm->bt_status == COEX_BTSTATUS_NCON_IDLE) {
			table_case = 114;
			tdma_case = 103;
		} else {
			table_case = 112;
			tdma_case = 103;
		}
	}

	rtw_coex_set_rf_para(rtwdev, chip->wl_rf_para_rx[0]);
	rtw_coex_table(rtwdev, table_case);
	rtw_coex_tdma(rtwdev, false, tdma_case);
}

static void rtw_coex_action_bt_inquiry(struct rtw_dev *rtwdev)
{
	struct rtw_coex *coex = &rtwdev->coex;
	struct rtw_coex_stat *coex_stat = &coex->stat;
	struct rtw_efuse *efuse = &rtwdev->efuse;
	struct rtw_chip_info *chip = rtwdev->chip;
	bool wl_hi_pri = false;
	u8 table_case, tdma_case;

	if (coex_stat->wl_linkscan_proc || coex_stat->wl_hi_pri_task1 ||
	    coex_stat->wl_hi_pri_task2)
		wl_hi_pri = true;

	if (efuse->share_ant) {
		/* Shared-Ant */
		if (wl_hi_pri) {
			table_case = 15;
			if (coex_stat->bt_a2dp_exist &&
			    !coex_stat->bt_pan_exist)
				tdma_case = 11;
			else if (coex_stat->wl_hi_pri_task1)
				tdma_case = 6;
			else if (!coex_stat->bt_page)
				tdma_case = 8;
			else
				tdma_case = 9;
		} else if (coex_stat->wl_connected) {
			table_case = 10;
			tdma_case = 10;
		} else {
			table_case = 1;
			tdma_case = 0;
		}
	} else {
		/* Non_Shared-Ant */
		if (wl_hi_pri) {
			table_case = 113;
			if (coex_stat->bt_a2dp_exist &&
			    !coex_stat->bt_pan_exist)
				tdma_case = 111;
			else if (coex_stat->wl_hi_pri_task1)
				tdma_case = 106;
			else if (!coex_stat->bt_page)
				tdma_case = 108;
			else
				tdma_case = 109;
		} else if (coex_stat->wl_connected) {
			table_case = 101;
			tdma_case = 110;
		} else {
			table_case = 100;
			tdma_case = 100;
		}
	}

	rtw_dbg(rtwdev, RTW_DBG_COEX, "coex: wifi hi(%d), bt page(%d)\n",
		wl_hi_pri, coex_stat->bt_page);

	rtw_coex_set_ant_path(rtwdev, false, COEX_SET_ANT_2G);
	rtw_coex_set_rf_para(rtwdev, chip->wl_rf_para_rx[0]);
	rtw_coex_table(rtwdev, table_case);
	rtw_coex_tdma(rtwdev, false, tdma_case);
}

static void rtw_coex_action_bt_hfp(struct rtw_dev *rtwdev)
{
	struct rtw_coex *coex = &rtwdev->coex;
	struct rtw_coex_stat *coex_stat = &coex->stat;
	struct rtw_efuse *efuse = &rtwdev->efuse;
	struct rtw_chip_info *chip = rtwdev->chip;
	u8 table_case, tdma_case;

	if (efuse->share_ant) {
		/* Shared-Ant */
		if (coex_stat->bt_multi_link) {
			table_case = 10;
			tdma_case = 17;
		} else {
			table_case = 10;
			tdma_case = 5;
		}
	} else {
		/* Non-Shared-Ant */
		if (coex_stat->bt_multi_link) {
			table_case = 112;
			tdma_case = 117;
		} else {
			table_case = 105;
			tdma_case = 100;
		}
	}

	rtw_coex_set_ant_path(rtwdev, false, COEX_SET_ANT_2G);
	rtw_coex_set_rf_para(rtwdev, chip->wl_rf_para_rx[0]);
	rtw_coex_table(rtwdev, table_case);
	rtw_coex_tdma(rtwdev, false, tdma_case);
}

static void rtw_coex_action_bt_hid(struct rtw_dev *rtwdev)
{
	struct rtw_coex *coex = &rtwdev->coex;
	struct rtw_coex_stat *coex_stat = &coex->stat;
	struct rtw_efuse *efuse = &rtwdev->efuse;
	struct rtw_chip_info *chip = rtwdev->chip;
	u8 table_case, tdma_case;
	u32 wl_bw;

	wl_bw = rtwdev->hal.current_band_width;

	if (efuse->share_ant) {
		/* Shared-Ant */
		if (coex_stat->bt_ble_exist) {
			/* RCU */
			if (!coex_stat->wl_gl_busy)
				table_case = 14;
			else
				table_case = 15;

			if (coex_stat->bt_a2dp_active || wl_bw == 0)
				tdma_case = 18;
			else if (coex_stat->wl_gl_busy)
				tdma_case = 8;
			else
				tdma_case = 4;
		} else {
			if (coex_stat->bt_a2dp_active || wl_bw == 0) {
				table_case = 8;
				tdma_case = 4;
			} else {
				/* for 4/18 HID */
				if (coex_stat->bt_418_hid_exist &&
				    coex_stat->wl_gl_busy)
					table_case = 12;
				else
					table_case = 10;
				tdma_case = 4;
			}
		}
	} else {
		/* Non-Shared-Ant */
		if (coex_stat->bt_a2dp_active) {
			table_case = 113;
			tdma_case = 118;
		} else if (coex_stat->bt_ble_exist) {
			/* BLE */
			table_case = 113;

			if (coex_stat->wl_gl_busy)
				tdma_case = 106;
			else
				tdma_case = 104;
		} else {
			table_case = 113;
			tdma_case = 104;
		}
	}

	rtw_coex_set_ant_path(rtwdev, false, COEX_SET_ANT_2G);
	rtw_coex_set_rf_para(rtwdev, chip->wl_rf_para_rx[0]);
	rtw_coex_table(rtwdev, table_case);
	rtw_coex_tdma(rtwdev, false, tdma_case);
}

static void rtw_coex_action_bt_a2dp(struct rtw_dev *rtwdev)
{
	struct rtw_coex *coex = &rtwdev->coex;
	struct rtw_coex_stat *coex_stat = &coex->stat;
	struct rtw_coex_dm *coex_dm = &coex->dm;
	struct rtw_efuse *efuse = &rtwdev->efuse;
	struct rtw_chip_info *chip = rtwdev->chip;
	u8 table_case, tdma_case;
	u32 slot_type = 0;

	if (efuse->share_ant) {
		/* Shared-Ant */
		if (coex_stat->wl_gl_busy && coex_stat->wl_noisy_level == 0)
			table_case = 10;
		else
			table_case = 9;

		slot_type = TDMA_4SLOT;

		if (coex_stat->wl_gl_busy)
			tdma_case = 13;
		else
			tdma_case = 14;
	} else {
		/* Non-Shared-Ant */
		table_case = 112;

		if (COEX_RSSI_HIGH(coex_dm->wl_rssi_state[1]))
			tdma_case = 112;
		else
			tdma_case = 113;
	}

	rtw_coex_set_ant_path(rtwdev, false, COEX_SET_ANT_2G);
	rtw_coex_set_rf_para(rtwdev, chip->wl_rf_para_rx[0]);
	rtw_coex_table(rtwdev, table_case);
	rtw_coex_tdma(rtwdev, false, tdma_case | slot_type);
}

static void rtw_coex_action_bt_a2dpsink(struct rtw_dev *rtwdev)
{
	struct rtw_coex *coex = &rtwdev->coex;
	struct rtw_coex_stat *coex_stat = &coex->stat;
	struct rtw_efuse *efuse = &rtwdev->efuse;
	struct rtw_chip_info *chip = rtwdev->chip;
	u8 table_case, tdma_case;
	bool ap_enable = false;

	if (efuse->share_ant) { /* Shared-Ant */
		if (ap_enable) {
			table_case = 2;
			tdma_case = 0;
		} else if (coex_stat->wl_gl_busy) {
			table_case = 28;
			tdma_case = 20;
		} else {
			table_case = 28;
			tdma_case = 26;
		}
	} else { /* Non-Shared-Ant */
		if (ap_enable) {
			table_case = 100;
			tdma_case = 100;
		} else {
			table_case = 119;
			tdma_case = 120;
		}
	}

	rtw_coex_set_ant_path(rtwdev, false, COEX_SET_ANT_2G);
	rtw_coex_set_rf_para(rtwdev, chip->wl_rf_para_rx[0]);
	rtw_coex_table(rtwdev, table_case);
	rtw_coex_tdma(rtwdev, false, tdma_case);
}

static void rtw_coex_action_bt_pan(struct rtw_dev *rtwdev)
{
	struct rtw_coex *coex = &rtwdev->coex;
	struct rtw_coex_stat *coex_stat = &coex->stat;
	struct rtw_efuse *efuse = &rtwdev->efuse;
	struct rtw_chip_info *chip = rtwdev->chip;
	u8 table_case, tdma_case;

	if (efuse->share_ant) {
		/* Shared-Ant */
		if (coex_stat->wl_gl_busy && coex_stat->wl_noisy_level == 0)
			table_case = 14;
		else
			table_case = 10;

		if (coex_stat->wl_gl_busy)
			tdma_case = 17;
		else
			tdma_case = 19;
	} else {
		/* Non-Shared-Ant */
		table_case = 112;

		if (coex_stat->wl_gl_busy)
			tdma_case = 117;
		else
			tdma_case = 119;
	}

	rtw_coex_set_ant_path(rtwdev, false, COEX_SET_ANT_2G);
	rtw_coex_set_rf_para(rtwdev, chip->wl_rf_para_rx[0]);
	rtw_coex_table(rtwdev, table_case);
	rtw_coex_tdma(rtwdev, false, tdma_case);
}

static void rtw_coex_action_bt_a2dp_hid(struct rtw_dev *rtwdev)
{
	struct rtw_coex *coex = &rtwdev->coex;
	struct rtw_coex_stat *coex_stat = &coex->stat;
	struct rtw_coex_dm *coex_dm = &coex->dm;
	struct rtw_efuse *efuse = &rtwdev->efuse;
	struct rtw_chip_info *chip = rtwdev->chip;
	u8 table_case, tdma_case;
	u32 slot_type = 0;

	if (efuse->share_ant) {
		/* Shared-Ant */
		if (coex_stat->bt_ble_exist)
			table_case = 26;
		else
			table_case = 9;

		if (coex_stat->wl_gl_busy) {
			slot_type = TDMA_4SLOT;
			tdma_case = 13;
		} else {
			tdma_case = 14;
		}
	} else {
		/* Non-Shared-Ant */
		if (coex_stat->bt_ble_exist)
			table_case = 121;
		else
			table_case = 113;

		if (COEX_RSSI_HIGH(coex_dm->wl_rssi_state[1]))
			tdma_case = 112;
		else
			tdma_case = 113;
	}

	rtw_coex_set_ant_path(rtwdev, false, COEX_SET_ANT_2G);
	rtw_coex_set_rf_para(rtwdev, chip->wl_rf_para_rx[0]);
	rtw_coex_table(rtwdev, table_case);
	rtw_coex_tdma(rtwdev, false, tdma_case | slot_type);
}

static void rtw_coex_action_bt_a2dp_pan(struct rtw_dev *rtwdev)
{
	struct rtw_coex *coex = &rtwdev->coex;
	struct rtw_coex_stat *coex_stat = &coex->stat;
	struct rtw_efuse *efuse = &rtwdev->efuse;
	struct rtw_chip_info *chip = rtwdev->chip;
	u8 table_case, tdma_case;

	if (efuse->share_ant) {
		/* Shared-Ant */
		if (coex_stat->wl_gl_busy &&
		    coex_stat->wl_noisy_level == 0)
			table_case = 14;
		else
			table_case = 10;

		if (coex_stat->wl_gl_busy)
			tdma_case = 15;
		else
			tdma_case = 20;
	} else {
		/* Non-Shared-Ant */
		table_case = 112;

		if (coex_stat->wl_gl_busy)
			tdma_case = 115;
		else
			tdma_case = 120;
	}

	rtw_coex_set_ant_path(rtwdev, false, COEX_SET_ANT_2G);
	rtw_coex_set_rf_para(rtwdev, chip->wl_rf_para_rx[0]);
	rtw_coex_table(rtwdev, table_case);
	rtw_coex_tdma(rtwdev, false, tdma_case);
}

static void rtw_coex_action_bt_pan_hid(struct rtw_dev *rtwdev)
{
	struct rtw_coex *coex = &rtwdev->coex;
	struct rtw_coex_stat *coex_stat = &coex->stat;
	struct rtw_efuse *efuse = &rtwdev->efuse;
	struct rtw_chip_info *chip = rtwdev->chip;
	u8 table_case, tdma_case;

	if (efuse->share_ant) {
		/* Shared-Ant */
		table_case = 9;

		if (coex_stat->wl_gl_busy)
			tdma_case = 18;
		else
			tdma_case = 19;
	} else {
		/* Non-Shared-Ant */
		table_case = 113;

		if (coex_stat->wl_gl_busy)
			tdma_case = 117;
		else
			tdma_case = 119;
	}

	rtw_coex_set_ant_path(rtwdev, false, COEX_SET_ANT_2G);
	rtw_coex_set_rf_para(rtwdev, chip->wl_rf_para_rx[0]);
	rtw_coex_table(rtwdev, table_case);
	rtw_coex_tdma(rtwdev, false, tdma_case);
}

static void rtw_coex_action_bt_a2dp_pan_hid(struct rtw_dev *rtwdev)
{
	struct rtw_coex *coex = &rtwdev->coex;
	struct rtw_coex_stat *coex_stat = &coex->stat;
	struct rtw_efuse *efuse = &rtwdev->efuse;
	struct rtw_chip_info *chip = rtwdev->chip;
	u8 table_case, tdma_case;

	if (efuse->share_ant) {
		/* Shared-Ant */
		table_case = 10;

		if (coex_stat->wl_gl_busy)
			tdma_case = 15;
		else
			tdma_case = 20;
	} else {
		/* Non-Shared-Ant */
		table_case = 113;

		if (coex_stat->wl_gl_busy)
			tdma_case = 115;
		else
			tdma_case = 120;
	}

	rtw_coex_set_ant_path(rtwdev, false, COEX_SET_ANT_2G);
	rtw_coex_set_rf_para(rtwdev, chip->wl_rf_para_rx[0]);
	rtw_coex_table(rtwdev, table_case);
	rtw_coex_tdma(rtwdev, false, tdma_case);
}

static void rtw_coex_action_wl_under5g(struct rtw_dev *rtwdev)
{
	struct rtw_efuse *efuse = &rtwdev->efuse;
	struct rtw_chip_info *chip = rtwdev->chip;
	u8 table_case, tdma_case;

	rtw_coex_write_scbd(rtwdev, COEX_SCBD_FIX2M, false);

	if (efuse->share_ant) {
		/* Shared-Ant */
		table_case = 0;
		tdma_case = 0;
	} else {
		/* Non-Shared-Ant */
		table_case = 100;
		tdma_case = 100;
	}

	rtw_coex_set_ant_path(rtwdev, true, COEX_SET_ANT_5G);
	rtw_coex_set_rf_para(rtwdev, chip->wl_rf_para_rx[0]);
	rtw_coex_table(rtwdev, table_case);
	rtw_coex_tdma(rtwdev, false, tdma_case);
}

static void rtw_coex_action_wl_only(struct rtw_dev *rtwdev)
{
	struct rtw_efuse *efuse = &rtwdev->efuse;
	struct rtw_chip_info *chip = rtwdev->chip;
	u8 table_case, tdma_case;

	if (efuse->share_ant) {
		/* Shared-Ant */
		table_case = 2;
		tdma_case = 0;
	} else {
		/* Non-Shared-Ant */
		table_case = 100;
		tdma_case = 100;
	}

	rtw_coex_set_ant_path(rtwdev, true, COEX_SET_ANT_2G);
	rtw_coex_set_rf_para(rtwdev, chip->wl_rf_para_rx[0]);
	rtw_coex_table(rtwdev, table_case);
	rtw_coex_tdma(rtwdev, false, tdma_case);
}

static void rtw_coex_action_wl_native_lps(struct rtw_dev *rtwdev)
{
	struct rtw_coex *coex = &rtwdev->coex;
	struct rtw_efuse *efuse = &rtwdev->efuse;
	struct rtw_chip_info *chip = rtwdev->chip;
	u8 table_case, tdma_case;

	if (coex->under_5g)
		return;

	if (efuse->share_ant) {
		/* Shared-Ant */
		table_case = 28;
		tdma_case = 0;
	} else {
		/* Non-Shared-Ant */
		table_case = 100;
		tdma_case = 100;
	}

	rtw_coex_set_ant_path(rtwdev, true, COEX_SET_ANT_2G);
	rtw_coex_set_rf_para(rtwdev, chip->wl_rf_para_rx[0]);
	rtw_coex_table(rtwdev, table_case);
	rtw_coex_tdma(rtwdev, false, tdma_case);
}

static void rtw_coex_action_wl_linkscan(struct rtw_dev *rtwdev)
{
	struct rtw_coex *coex = &rtwdev->coex;
	struct rtw_coex_stat *coex_stat = &coex->stat;
	struct rtw_efuse *efuse = &rtwdev->efuse;
	struct rtw_chip_info *chip = rtwdev->chip;
	u8 table_case, tdma_case;

	if (efuse->share_ant) {
		/* Shared-Ant */
		if (coex_stat->bt_a2dp_exist) {
			table_case = 9;
			tdma_case = 11;
		} else {
			table_case = 9;
			tdma_case = 7;
		}
	} else {
		/* Non-Shared-Ant */
		if (coex_stat->bt_a2dp_exist) {
			table_case = 112;
			tdma_case = 111;
		} else {
			table_case = 112;
			tdma_case = 107;
		}
	}

	rtw_coex_set_ant_path(rtwdev, true, COEX_SET_ANT_2G);
	rtw_coex_set_rf_para(rtwdev, chip->wl_rf_para_rx[0]);
	rtw_coex_table(rtwdev, table_case);
	rtw_coex_tdma(rtwdev, false, tdma_case);
}

static void rtw_coex_action_wl_not_connected(struct rtw_dev *rtwdev)
{
	struct rtw_efuse *efuse = &rtwdev->efuse;
	struct rtw_chip_info *chip = rtwdev->chip;
	u8 table_case, tdma_case;

	if (efuse->share_ant) {
		/* Shared-Ant */
		table_case = 1;
		tdma_case = 0;
	} else {
		/* Non-Shared-Ant */
		table_case = 100;
		tdma_case = 100;
	}

	rtw_coex_set_ant_path(rtwdev, true, COEX_SET_ANT_2G);
	rtw_coex_set_rf_para(rtwdev, chip->wl_rf_para_rx[0]);
	rtw_coex_table(rtwdev, table_case);
	rtw_coex_tdma(rtwdev, false, tdma_case);
}

static void rtw_coex_action_wl_connected(struct rtw_dev *rtwdev)
{
	struct rtw_coex *coex = &rtwdev->coex;
	struct rtw_coex_stat *coex_stat = &coex->stat;
	struct rtw_coex_dm *coex_dm = &coex->dm;
	struct rtw_efuse *efuse = &rtwdev->efuse;
	u8 algorithm;

	/* Non-Shared-Ant */
	if (!efuse->share_ant && coex_stat->wl_gl_busy &&
	    COEX_RSSI_HIGH(coex_dm->wl_rssi_state[3]) &&
	    COEX_RSSI_HIGH(coex_dm->bt_rssi_state[0])) {
		rtw_coex_action_freerun(rtwdev);
		return;
	}

	algorithm = rtw_coex_algorithm(rtwdev);

	switch (algorithm) {
	case COEX_ALGO_HFP:
		rtw_coex_action_bt_hfp(rtwdev);
		break;
	case COEX_ALGO_HID:
		rtw_coex_action_bt_hid(rtwdev);
		break;
	case COEX_ALGO_A2DP:
		if (coex_stat->bt_a2dp_sink)
			rtw_coex_action_bt_a2dpsink(rtwdev);
		else
			rtw_coex_action_bt_a2dp(rtwdev);
		break;
	case COEX_ALGO_PAN:
		rtw_coex_action_bt_pan(rtwdev);
		break;
	case COEX_ALGO_A2DP_HID:
		rtw_coex_action_bt_a2dp_hid(rtwdev);
		break;
	case COEX_ALGO_A2DP_PAN:
		rtw_coex_action_bt_a2dp_pan(rtwdev);
		break;
	case COEX_ALGO_PAN_HID:
		rtw_coex_action_bt_pan_hid(rtwdev);
		break;
	case COEX_ALGO_A2DP_PAN_HID:
		rtw_coex_action_bt_a2dp_pan_hid(rtwdev);
		break;
	default:
	case COEX_ALGO_NOPROFILE:
		rtw_coex_action_bt_idle(rtwdev);
		break;
	}
}

static void rtw_coex_run_coex(struct rtw_dev *rtwdev, u8 reason)
{
	struct rtw_coex *coex = &rtwdev->coex;
	struct rtw_coex_dm *coex_dm = &coex->dm;
	struct rtw_coex_stat *coex_stat = &coex->stat;

	lockdep_assert_held(&rtwdev->mutex);

	coex_dm->reason = reason;

	/* update wifi_link_info_ext variable */
	rtw_coex_update_wl_link_info(rtwdev, reason);

	rtw_coex_monitor_bt_enable(rtwdev);

	if (coex->stop_dm)
		return;

	if (coex_stat->wl_under_ips)
		return;

	if (coex->freeze && !coex_stat->bt_setup_link)
		return;

	coex_stat->cnt_wl[COEX_CNT_WL_COEXRUN]++;
	coex->freerun = false;

	/* Pure-5G Coex Process */
	if (coex->under_5g) {
		coex_stat->wl_coex_mode = COEX_WLINK_5G;
		rtw_coex_action_wl_under5g(rtwdev);
		goto exit;
	}

	coex_stat->wl_coex_mode = COEX_WLINK_2G1PORT;
	rtw_coex_write_scbd(rtwdev, COEX_SCBD_FIX2M, false);
	if (coex_stat->bt_disabled) {
		rtw_coex_action_wl_only(rtwdev);
		goto exit;
	}

	if (coex_stat->wl_under_lps && !coex_stat->wl_force_lps_ctrl) {
		rtw_coex_action_wl_native_lps(rtwdev);
		goto exit;
	}

	if (coex_stat->bt_whck_test) {
		rtw_coex_action_bt_whql_test(rtwdev);
		goto exit;
	}

	if (coex_stat->bt_setup_link) {
		rtw_coex_action_bt_relink(rtwdev);
		goto exit;
	}

	if (coex_stat->bt_inq_page) {
		rtw_coex_action_bt_inquiry(rtwdev);
		goto exit;
	}

	if ((coex_dm->bt_status == COEX_BTSTATUS_NCON_IDLE ||
	     coex_dm->bt_status == COEX_BTSTATUS_CON_IDLE) &&
	     coex_stat->wl_connected) {
		rtw_coex_action_bt_idle(rtwdev);
		goto exit;
	}

	if (coex_stat->wl_linkscan_proc) {
		rtw_coex_action_wl_linkscan(rtwdev);
		goto exit;
	}

	if (coex_stat->wl_connected)
		rtw_coex_action_wl_connected(rtwdev);
	else
		rtw_coex_action_wl_not_connected(rtwdev);

exit:
	rtw_coex_set_gnt_fix(rtwdev);
	rtw_coex_limited_wl(rtwdev);
}

static void rtw_coex_init_coex_var(struct rtw_dev *rtwdev)
{
	struct rtw_coex *coex = &rtwdev->coex;
	struct rtw_coex_stat *coex_stat = &coex->stat;
	struct rtw_coex_dm *coex_dm = &coex->dm;
	u8 i;

	memset(coex_dm, 0, sizeof(*coex_dm));
	memset(coex_stat, 0, sizeof(*coex_stat));

	for (i = 0; i < COEX_CNT_WL_MAX; i++)
		coex_stat->cnt_wl[i] = 0;

	for (i = 0; i < COEX_CNT_BT_MAX; i++)
		coex_stat->cnt_bt[i] = 0;

	for (i = 0; i < ARRAY_SIZE(coex_dm->bt_rssi_state); i++)
		coex_dm->bt_rssi_state[i] = COEX_RSSI_STATE_LOW;

	for (i = 0; i < ARRAY_SIZE(coex_dm->wl_rssi_state); i++)
		coex_dm->wl_rssi_state[i] = COEX_RSSI_STATE_LOW;

	coex_stat->wl_coex_mode = COEX_WLINK_MAX;
}

static void __rtw_coex_init_hw_config(struct rtw_dev *rtwdev, bool wifi_only)
{
	struct rtw_coex *coex = &rtwdev->coex;

	rtw_coex_init_coex_var(rtwdev);
	rtw_coex_monitor_bt_enable(rtwdev);
	rtw_coex_set_rfe_type(rtwdev);
	rtw_coex_set_init(rtwdev);

	/* set Tx response = Hi-Pri (ex: Transmitting ACK,BA,CTS) */
	rtw_coex_set_wl_pri_mask(rtwdev, COEX_WLPRI_TX_RSP, 1);

	/* set Tx beacon = Hi-Pri */
	rtw_coex_set_wl_pri_mask(rtwdev, COEX_WLPRI_TX_BEACON, 1);

	/* set Tx beacon queue = Hi-Pri */
	rtw_coex_set_wl_pri_mask(rtwdev, COEX_WLPRI_TX_BEACONQ, 1);

	/* antenna config */
	if (coex->wl_rf_off) {
		rtw_coex_set_ant_path(rtwdev, true, COEX_SET_ANT_WOFF);
		rtw_coex_write_scbd(rtwdev, COEX_SCBD_ALL, false);
		coex->stop_dm = true;
	} else if (wifi_only) {
		rtw_coex_set_ant_path(rtwdev, true, COEX_SET_ANT_WONLY);
		rtw_coex_write_scbd(rtwdev, COEX_SCBD_ACTIVE | COEX_SCBD_SCAN,
				    true);
		coex->stop_dm = true;
	} else {
		rtw_coex_set_ant_path(rtwdev, true, COEX_SET_ANT_INIT);
		rtw_coex_write_scbd(rtwdev, COEX_SCBD_ACTIVE | COEX_SCBD_SCAN,
				    true);
		coex->stop_dm = false;
		coex->freeze = true;
	}

	/* PTA parameter */
	rtw_coex_table(rtwdev, 0);
	rtw_coex_tdma(rtwdev, true, 0);
	rtw_coex_query_bt_info(rtwdev);
}

void rtw_coex_power_on_setting(struct rtw_dev *rtwdev)
{
	struct rtw_coex *coex = &rtwdev->coex;

	coex->stop_dm = true;
	coex->wl_rf_off = false;

	/* enable BB, we can write 0x948 */
	rtw_write8_set(rtwdev, REG_SYS_FUNC_EN, BIT(0) | BIT(1));

	rtw_coex_monitor_bt_enable(rtwdev);
	rtw_coex_set_rfe_type(rtwdev);

	/* set antenna path to BT */
	rtw_coex_set_ant_path(rtwdev, true, COEX_SET_ANT_POWERON);

	/* red x issue */
	rtw_write8(rtwdev, 0xff1a, 0x0);
}

void rtw_coex_init_hw_config(struct rtw_dev *rtwdev, bool wifi_only)
{
	__rtw_coex_init_hw_config(rtwdev, wifi_only);
}

void rtw_coex_ips_notify(struct rtw_dev *rtwdev, u8 type)
{
	struct rtw_coex *coex = &rtwdev->coex;
	struct rtw_coex_stat *coex_stat = &coex->stat;

	if (coex->stop_dm)
		return;

	if (type == COEX_IPS_ENTER) {
		coex_stat->wl_under_ips = true;

		/* for lps off */
		rtw_coex_write_scbd(rtwdev, COEX_SCBD_ALL, false);

		rtw_coex_set_ant_path(rtwdev, true, COEX_SET_ANT_WOFF);
		rtw_coex_action_coex_all_off(rtwdev);
	} else if (type == COEX_IPS_LEAVE) {
		rtw_coex_write_scbd(rtwdev, COEX_SCBD_ACTIVE | COEX_SCBD_ONOFF, true);

		/* run init hw config (exclude wifi only) */
		__rtw_coex_init_hw_config(rtwdev, false);
		/* sw all off */

		coex_stat->wl_under_ips = false;
	}
}

void rtw_coex_lps_notify(struct rtw_dev *rtwdev, u8 type)
{
	struct rtw_coex *coex = &rtwdev->coex;
	struct rtw_coex_stat *coex_stat = &coex->stat;

	if (coex->stop_dm)
		return;

	if (type == COEX_LPS_ENABLE) {
		coex_stat->wl_under_lps = true;

		if (coex_stat->wl_force_lps_ctrl) {
			/* for ps-tdma */
			rtw_coex_write_scbd(rtwdev, COEX_SCBD_ACTIVE, true);
		} else {
			/* for native ps */
			rtw_coex_write_scbd(rtwdev, COEX_SCBD_ACTIVE, false);

			rtw_coex_run_coex(rtwdev, COEX_RSN_LPS);
		}
	} else if (type == COEX_LPS_DISABLE) {
		coex_stat->wl_under_lps = false;

		/* for lps off */
		rtw_coex_write_scbd(rtwdev, COEX_SCBD_ACTIVE, true);

		if (!coex_stat->wl_force_lps_ctrl)
			rtw_coex_query_bt_info(rtwdev);
	}
}

void rtw_coex_scan_notify(struct rtw_dev *rtwdev, u8 type)
{
	struct rtw_coex *coex = &rtwdev->coex;
	struct rtw_coex_stat *coex_stat = &coex->stat;

	if (coex->stop_dm)
		return;

	coex->freeze = false;

	if (type != COEX_SCAN_FINISH)
		rtw_coex_write_scbd(rtwdev, COEX_SCBD_ACTIVE | COEX_SCBD_SCAN |
				    COEX_SCBD_ONOFF, true);

	if (type == COEX_SCAN_START_5G) {
		rtw_coex_set_ant_path(rtwdev, true, COEX_SET_ANT_5G);
		rtw_coex_run_coex(rtwdev, COEX_RSN_5GSCANSTART);
	} else if ((type == COEX_SCAN_START_2G) || (type == COEX_SCAN_START)) {
		coex_stat->wl_hi_pri_task2 = true;

		/* Force antenna setup for no scan result issue */
		rtw_coex_set_ant_path(rtwdev, true, COEX_SET_ANT_2G);
		rtw_coex_run_coex(rtwdev, COEX_RSN_2GSCANSTART);
	} else {
		coex_stat->wl_hi_pri_task2 = false;
		rtw_coex_run_coex(rtwdev, COEX_RSN_SCANFINISH);
	}
}

void rtw_coex_switchband_notify(struct rtw_dev *rtwdev, u8 type)
{
	struct rtw_coex *coex = &rtwdev->coex;

	if (coex->stop_dm)
		return;

	if (type == COEX_SWITCH_TO_5G)
		rtw_coex_run_coex(rtwdev, COEX_RSN_5GSWITCHBAND);
	else if (type == COEX_SWITCH_TO_24G_NOFORSCAN)
		rtw_coex_run_coex(rtwdev, COEX_RSN_2GSWITCHBAND);
	else
		rtw_coex_scan_notify(rtwdev, COEX_SCAN_START_2G);
}

void rtw_coex_connect_notify(struct rtw_dev *rtwdev, u8 type)
{
	struct rtw_coex *coex = &rtwdev->coex;
	struct rtw_coex_stat *coex_stat = &coex->stat;

	if (coex->stop_dm)
		return;

	rtw_coex_write_scbd(rtwdev, COEX_SCBD_ACTIVE | COEX_SCBD_SCAN |
			    COEX_SCBD_ONOFF, true);

	if (type == COEX_ASSOCIATE_5G_START) {
		rtw_coex_set_ant_path(rtwdev, true, COEX_SET_ANT_5G);
		rtw_coex_run_coex(rtwdev, COEX_RSN_5GCONSTART);
	} else if (type == COEX_ASSOCIATE_5G_FINISH) {
		rtw_coex_set_ant_path(rtwdev, true, COEX_SET_ANT_5G);
		rtw_coex_run_coex(rtwdev, COEX_RSN_5GCONFINISH);
	} else if (type == COEX_ASSOCIATE_START) {
		coex_stat->wl_hi_pri_task1 = true;
		coex_stat->cnt_wl[COEX_CNT_WL_CONNPKT] = 2;

		/* Force antenna setup for no scan result issue */
		rtw_coex_set_ant_path(rtwdev, true, COEX_SET_ANT_2G);

		rtw_coex_run_coex(rtwdev, COEX_RSN_2GCONSTART);

		/* To keep TDMA case during connect process,
		 * to avoid changed by Btinfo and runcoexmechanism
		 */
		coex->freeze = true;
		ieee80211_queue_delayed_work(rtwdev->hw, &coex->defreeze_work,
					     5 * HZ);
	} else {
		coex_stat->wl_hi_pri_task1 = false;
		coex->freeze = false;

		rtw_coex_run_coex(rtwdev, COEX_RSN_2GCONFINISH);
	}
}

void rtw_coex_media_status_notify(struct rtw_dev *rtwdev, u8 type)
{
	struct rtw_coex *coex = &rtwdev->coex;
	struct rtw_coex_stat *coex_stat = &coex->stat;
	u8 para[6] = {0};

	if (coex->stop_dm)
		return;

	if (type == COEX_MEDIA_CONNECT_5G) {
		rtw_coex_write_scbd(rtwdev, COEX_SCBD_ACTIVE, true);

		rtw_coex_set_ant_path(rtwdev, true, COEX_SET_ANT_5G);
		rtw_coex_run_coex(rtwdev, COEX_RSN_5GMEDIA);
	} else if (type == COEX_MEDIA_CONNECT) {
		rtw_coex_write_scbd(rtwdev, COEX_SCBD_ACTIVE, true);

		/* Force antenna setup for no scan result issue */
		rtw_coex_set_ant_path(rtwdev, true, COEX_SET_ANT_2G);

		/* Set CCK Rx high Pri */
		rtw_coex_set_wl_pri_mask(rtwdev, COEX_WLPRI_RX_CCK, 1);

		/* always enable 5ms extend if connect */
		para[0] = COEX_H2C69_WL_LEAKAP;
		para[1] = PARA1_H2C69_EN_5MS; /* enable 5ms extend */
		rtw_fw_bt_wifi_control(rtwdev, para[0], &para[1]);
		coex_stat->wl_slot_extend = true;
		rtw_coex_run_coex(rtwdev, COEX_RSN_2GMEDIA);
	} else {
		rtw_coex_write_scbd(rtwdev, COEX_SCBD_ACTIVE, false);

		rtw_coex_set_wl_pri_mask(rtwdev, COEX_WLPRI_RX_CCK, 0);

		rtw_coex_run_coex(rtwdev, COEX_RSN_MEDIADISCON);
	}

	rtw_coex_update_wl_ch_info(rtwdev, type);
}

void rtw_coex_bt_info_notify(struct rtw_dev *rtwdev, u8 *buf, u8 length)
{
	struct rtw_coex *coex = &rtwdev->coex;
	struct rtw_coex_stat *coex_stat = &coex->stat;
	struct rtw_chip_info *chip = rtwdev->chip;
	unsigned long bt_relink_time;
	u8 i, rsp_source = 0, type;

	rsp_source = buf[0] & 0xf;
	if (rsp_source >= COEX_BTINFO_SRC_MAX)
		rsp_source = COEX_BTINFO_SRC_WL_FW;

	if (rsp_source == COEX_BTINFO_SRC_BT_IQK) {
		coex_stat->bt_iqk_state = buf[1];
		if (coex_stat->bt_iqk_state == 1)
			coex_stat->cnt_bt[COEX_CNT_BT_IQK]++;
		else if (coex_stat->bt_iqk_state == 2)
			coex_stat->cnt_bt[COEX_CNT_BT_IQKFAIL]++;

		return;
	}

	if (rsp_source == COEX_BTINFO_SRC_BT_SCBD) {
		rtw_coex_monitor_bt_enable(rtwdev);
		if (coex_stat->bt_disabled != coex_stat->bt_disabled_pre) {
			coex_stat->bt_disabled_pre = coex_stat->bt_disabled;
			rtw_coex_run_coex(rtwdev, COEX_RSN_BTINFO);
		}
		return;
	}

	if (rsp_source == COEX_BTINFO_SRC_BT_RSP ||
	    rsp_source == COEX_BTINFO_SRC_BT_ACT) {
		if (coex_stat->bt_disabled) {
			coex_stat->bt_disabled = false;
			coex_stat->bt_reenable = true;
			ieee80211_queue_delayed_work(rtwdev->hw,
						     &coex->bt_reenable_work,
						     15 * HZ);
		}
	}

	for (i = 0; i < length; i++) {
		if (i < COEX_BTINFO_LENGTH_MAX)
			coex_stat->bt_info_c2h[rsp_source][i] = buf[i];
		else
			break;
	}

	if (rsp_source == COEX_BTINFO_SRC_WL_FW) {
		rtw_coex_update_bt_link_info(rtwdev);
		rtw_coex_run_coex(rtwdev, COEX_RSN_BTINFO);
		return;
	}

	/* get the same info from bt, skip it */
	if (coex_stat->bt_info_c2h[rsp_source][1] == coex_stat->bt_info_lb2 &&
	    coex_stat->bt_info_c2h[rsp_source][2] == coex_stat->bt_info_lb3 &&
	    coex_stat->bt_info_c2h[rsp_source][3] == coex_stat->bt_info_hb0 &&
	    coex_stat->bt_info_c2h[rsp_source][4] == coex_stat->bt_info_hb1 &&
	    coex_stat->bt_info_c2h[rsp_source][5] == coex_stat->bt_info_hb2 &&
	    coex_stat->bt_info_c2h[rsp_source][6] == coex_stat->bt_info_hb3)
		return;

	coex_stat->bt_info_lb2 = coex_stat->bt_info_c2h[rsp_source][1];
	coex_stat->bt_info_lb3 = coex_stat->bt_info_c2h[rsp_source][2];
	coex_stat->bt_info_hb0 = coex_stat->bt_info_c2h[rsp_source][3];
	coex_stat->bt_info_hb1 = coex_stat->bt_info_c2h[rsp_source][4];
	coex_stat->bt_info_hb2 = coex_stat->bt_info_c2h[rsp_source][5];
	coex_stat->bt_info_hb3 = coex_stat->bt_info_c2h[rsp_source][6];

	/* 0xff means BT is under WHCK test */
	coex_stat->bt_whck_test = (coex_stat->bt_info_lb2 == 0xff);
	coex_stat->bt_inq_page = ((coex_stat->bt_info_lb2 & BIT(2)) == BIT(2));
	coex_stat->bt_acl_busy = ((coex_stat->bt_info_lb2 & BIT(3)) == BIT(3));
	coex_stat->cnt_bt[COEX_CNT_BT_RETRY] = coex_stat->bt_info_lb3 & 0xf;
	if (coex_stat->cnt_bt[COEX_CNT_BT_RETRY] >= 1)
		coex_stat->cnt_bt[COEX_CNT_BT_POPEVENT]++;

	coex_stat->bt_fix_2M = ((coex_stat->bt_info_lb3 & BIT(4)) == BIT(4));
	coex_stat->bt_inq = ((coex_stat->bt_info_lb3 & BIT(5)) == BIT(5));
	if (coex_stat->bt_inq)
		coex_stat->cnt_bt[COEX_CNT_BT_INQ]++;

	coex_stat->bt_page = ((coex_stat->bt_info_lb3 & BIT(7)) == BIT(7));
	if (coex_stat->bt_page) {
		coex_stat->cnt_bt[COEX_CNT_BT_PAGE]++;
		if (coex_stat->wl_linkscan_proc ||
		    coex_stat->wl_hi_pri_task1 ||
		    coex_stat->wl_hi_pri_task2 || coex_stat->wl_gl_busy)
			rtw_coex_write_scbd(rtwdev, COEX_SCBD_SCAN, true);
		else
			rtw_coex_write_scbd(rtwdev, COEX_SCBD_SCAN, false);
	} else {
		rtw_coex_write_scbd(rtwdev, COEX_SCBD_SCAN, false);
	}

	/* unit: % (value-100 to translate to unit: dBm in coex info) */
	if (chip->bt_rssi_type == COEX_BTRSSI_RATIO) {
		coex_stat->bt_rssi = coex_stat->bt_info_hb0 * 2 + 10;
	} else { /* original unit: dbm -> unit: % ->  value-100 in coex info */
		if (coex_stat->bt_info_hb0 <= 127)
			coex_stat->bt_rssi = 100;
		else if (256 - coex_stat->bt_info_hb0 <= 100)
			coex_stat->bt_rssi = 100 - (256 - coex_stat->bt_info_hb0);
		else
			coex_stat->bt_rssi = 0;
	}

	coex_stat->bt_ble_exist = ((coex_stat->bt_info_hb1 & BIT(0)) == BIT(0));
	if (coex_stat->bt_info_hb1 & BIT(1))
		coex_stat->cnt_bt[COEX_CNT_BT_REINIT]++;

	if (coex_stat->bt_info_hb1 & BIT(2)) {
		coex_stat->cnt_bt[COEX_CNT_BT_SETUPLINK]++;
		coex_stat->bt_setup_link = true;
		if (coex_stat->bt_reenable)
			bt_relink_time = 6 * HZ;
		else
			bt_relink_time = 2 * HZ;

		ieee80211_queue_delayed_work(rtwdev->hw,
					     &coex->bt_relink_work,
					     bt_relink_time);
	}

	if (coex_stat->bt_info_hb1 & BIT(3))
		coex_stat->cnt_bt[COEX_CNT_BT_IGNWLANACT]++;

	coex_stat->bt_ble_voice = ((coex_stat->bt_info_hb1 & BIT(4)) == BIT(4));
	coex_stat->bt_ble_scan_en = ((coex_stat->bt_info_hb1 & BIT(5)) == BIT(5));
	if (coex_stat->bt_info_hb1 & BIT(6))
		coex_stat->cnt_bt[COEX_CNT_BT_ROLESWITCH]++;

	coex_stat->bt_multi_link = ((coex_stat->bt_info_hb1 & BIT(7)) == BIT(7));
	/* resend wifi info to bt, it is reset and lost the info */
	if ((coex_stat->bt_info_hb1 & BIT(1))) {
		if (coex_stat->wl_connected)
			type = COEX_MEDIA_CONNECT;
		else
			type = COEX_MEDIA_DISCONNECT;
		rtw_coex_update_wl_ch_info(rtwdev, type);
	}

	/* if ignore_wlan_act && not set_up_link */
	if ((coex_stat->bt_info_hb1 & BIT(3)) &&
	    (!(coex_stat->bt_info_hb1 & BIT(2))))
		rtw_coex_ignore_wlan_act(rtwdev, false);

	coex_stat->bt_opp_exist = ((coex_stat->bt_info_hb2 & BIT(0)) == BIT(0));
	if (coex_stat->bt_info_hb2 & BIT(1))
		coex_stat->cnt_bt[COEX_CNT_BT_AFHUPDATE]++;

	coex_stat->bt_a2dp_active = (coex_stat->bt_info_hb2 & BIT(2)) == BIT(2);
	coex_stat->bt_slave = ((coex_stat->bt_info_hb2 & BIT(3)) == BIT(3));
	coex_stat->bt_hid_slot = (coex_stat->bt_info_hb2 & 0x30) >> 4;
	coex_stat->bt_hid_pair_num = (coex_stat->bt_info_hb2 & 0xc0) >> 6;
	if (coex_stat->bt_hid_pair_num > 0 && coex_stat->bt_hid_slot >= 2)
		coex_stat->bt_418_hid_exist = true;
	else if (coex_stat->bt_hid_pair_num == 0)
		coex_stat->bt_418_hid_exist = false;

	if ((coex_stat->bt_info_lb2 & 0x49) == 0x49)
		coex_stat->bt_a2dp_bitpool = (coex_stat->bt_info_hb3 & 0x7f);
	else
		coex_stat->bt_a2dp_bitpool = 0;

	coex_stat->bt_a2dp_sink = ((coex_stat->bt_info_hb3 & BIT(7)) == BIT(7));

	rtw_coex_update_bt_link_info(rtwdev);
	rtw_coex_run_coex(rtwdev, COEX_RSN_BTINFO);
}

void rtw_coex_wl_fwdbginfo_notify(struct rtw_dev *rtwdev, u8 *buf, u8 length)
{
	struct rtw_coex *coex = &rtwdev->coex;
	struct rtw_coex_stat *coex_stat = &coex->stat;
	u8 val;
	int i;

	if (WARN(length < 8, "invalid wl info c2h length\n"))
		return;

	if (buf[0] != 0x08)
		return;

	for (i = 1; i < 8; i++) {
		val = coex_stat->wl_fw_dbg_info_pre[i];
		if (buf[i] >= val)
			coex_stat->wl_fw_dbg_info[i] = buf[i] - val;
		else
			coex_stat->wl_fw_dbg_info[i] = val - buf[i];

		coex_stat->wl_fw_dbg_info_pre[i] = buf[i];
	}

	coex_stat->cnt_wl[COEX_CNT_WL_FW_NOTIFY]++;
	rtw_coex_wl_ccklock_action(rtwdev);
	rtw_coex_wl_ccklock_detect(rtwdev);
}

void rtw_coex_wl_status_change_notify(struct rtw_dev *rtwdev)
{
	struct rtw_coex *coex = &rtwdev->coex;

	if (coex->stop_dm)
		return;

	rtw_coex_run_coex(rtwdev, COEX_RSN_WLSTATUS);
}

void rtw_coex_bt_relink_work(struct work_struct *work)
{
	struct rtw_dev *rtwdev = container_of(work, struct rtw_dev,
					      coex.bt_relink_work.work);
	struct rtw_coex_stat *coex_stat = &rtwdev->coex.stat;

	mutex_lock(&rtwdev->mutex);
	coex_stat->bt_setup_link = false;
	rtw_coex_run_coex(rtwdev, COEX_RSN_WLSTATUS);
	mutex_unlock(&rtwdev->mutex);
}

void rtw_coex_bt_reenable_work(struct work_struct *work)
{
	struct rtw_dev *rtwdev = container_of(work, struct rtw_dev,
					      coex.bt_reenable_work.work);
	struct rtw_coex_stat *coex_stat = &rtwdev->coex.stat;

	mutex_lock(&rtwdev->mutex);
	coex_stat->bt_reenable = false;
	mutex_unlock(&rtwdev->mutex);
}

void rtw_coex_defreeze_work(struct work_struct *work)
{
	struct rtw_dev *rtwdev = container_of(work, struct rtw_dev,
					      coex.defreeze_work.work);
	struct rtw_coex *coex = &rtwdev->coex;
	struct rtw_coex_stat *coex_stat = &rtwdev->coex.stat;

	mutex_lock(&rtwdev->mutex);
	coex->freeze = false;
	coex_stat->wl_hi_pri_task1 = false;
	rtw_coex_run_coex(rtwdev, COEX_RSN_WLSTATUS);
	mutex_unlock(&rtwdev->mutex);
}