rtw88: coex: add action for coexistence in hardware initial

The original setting misses some necessary configuration.
Make coexistence slot align to beacon and check the connection situation
to know if we need to extend WLAN slot or not.

Signed-off-by: Ching-Te Ku <ku920601@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20201126021059.11981-9-pkshih@realtek.com

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

@@ -2448,11 +2448,19 @@ static void rtw_coex_init_coex_var(struct rtw_dev *rtwdev)
 static void __rtw_coex_init_hw_config(struct rtw_dev *rtwdev, bool wifi_only)
 {
 	struct rtw_coex *coex = &rtwdev->coex;
+	struct rtw_coex_stat *coex_stat = &coex->stat;
 
 	rtw_dbg(rtwdev, RTW_DBG_COEX, "[BTCoex], %s()\n", __func__);
 
 	rtw_coex_init_coex_var(rtwdev);
+
+	coex_stat->kt_ver = u8_get_bits(rtw_read8(rtwdev, 0xf1), GENMASK(7, 4));
+
 	rtw_coex_monitor_bt_enable(rtwdev);
+	rtw_coex_wl_slot_extend(rtwdev, coex_stat->wl_slot_extend);
+
+	rtw_write8_set(rtwdev, REG_BCN_CTRL, BIT_EN_BCN_FUNCTION);
+
 	rtw_coex_set_rfe_type(rtwdev);
 	rtw_coex_set_init(rtwdev);
 
@@ -2515,6 +2523,7 @@ void rtw_coex_power_on_setting(struct rtw_dev *rtwdev)
 	rtw_coex_table(rtwdev, true, table_case);
 	/* red x issue */
 	rtw_write8(rtwdev, 0xff1a, 0x0);
+	rtw_coex_set_gnt_debug(rtwdev);
 }
 
 void rtw_coex_init_hw_config(struct rtw_dev *rtwdev, bool wifi_only)