rtl8821ce/hal/phydm/phydm_antdect.c

/******************************************************************************
 *
 * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of version 2 of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
 *
 *
 ******************************************************************************/

/* ************************************************************
 * include files
 * ************************************************************ */

#include "mp_precomp.h"
#include "phydm_precomp.h"

/* #if( DM_ODM_SUPPORT_TYPE & (ODM_WIN |ODM_CE)) */
#if (defined(CONFIG_ANT_DETECTION))

/* IS_ANT_DETECT_SUPPORT_SINGLE_TONE(adapter)
 * IS_ANT_DETECT_SUPPORT_RSSI(adapter)
 * IS_ANT_DETECT_SUPPORT_PSD(adapter) */

/* 1 [1. Single Tone method] =================================================== */

/*
 * Description:
 *	Set Single/Dual Antenna default setting for products that do not do detection in advance.
 *
 * Added by Joseph, 2012.03.22
 *   */
void
odm_single_dual_antenna_default_setting(
	void		*p_dm_void
)
{
	struct PHY_DM_STRUCT		*p_dm_odm = (struct PHY_DM_STRUCT *)p_dm_void;
	struct _sw_antenna_switch_		*p_dm_swat_table = &p_dm_odm->dm_swat_table;
	struct _ADAPTER	*p_adapter	 =  p_dm_odm->adapter;

	u8 bt_ant_num = BT_GetPgAntNum(p_adapter);
	/* Set default antenna A and B status */
	if (bt_ant_num == 2) {
		p_dm_swat_table->ANTA_ON = true;
		p_dm_swat_table->ANTB_ON = true;

	} else if (bt_ant_num == 1) {
		/* Set antenna A as default */
		p_dm_swat_table->ANTA_ON = true;
		p_dm_swat_table->ANTB_ON = false;

	} else
		RT_ASSERT(false, ("Incorrect antenna number!!\n"));
}


/* 2 8723A ANT DETECT
 *
 * Description:
 *	Implement IQK single tone for RF DPK loopback and BB PSD scanning.
 *	This function is cooperated with BB team Neil.
 *
 * Added by Roger, 2011.12.15
 *   */
boolean
odm_single_dual_antenna_detection(
	void		*p_dm_void,
	u8			mode
)
{
	struct PHY_DM_STRUCT		*p_dm_odm = (struct PHY_DM_STRUCT *)p_dm_void;
	struct _ADAPTER	*p_adapter	 =  p_dm_odm->adapter;
	struct _sw_antenna_switch_		*p_dm_swat_table = &p_dm_odm->dm_swat_table;
	u32		current_channel, rf_loop_reg;
	u8		n;
	u32		reg88c, regc08, reg874, regc50, reg948, regb2c, reg92c, reg930, reg064, afe_rrx_wait_cca;
	u8		initial_gain = 0x5a;
	u32		PSD_report_tmp;
	u32		ant_a_report = 0x0, ant_b_report = 0x0, ant_0_report = 0x0;
	boolean		is_result = true;
	u32		afe_backup[16];
	u32		AFE_REG_8723A[16] = {
		REG_RX_WAIT_CCA,	REG_TX_CCK_RFON,
		REG_TX_CCK_BBON,	REG_TX_OFDM_RFON,
		REG_TX_OFDM_BBON,	REG_TX_TO_RX,
		REG_TX_TO_TX,		REG_RX_CCK,
		REG_RX_OFDM,		REG_RX_WAIT_RIFS,
		REG_RX_TO_RX,		REG_STANDBY,
		REG_SLEEP,			REG_PMPD_ANAEN,
		REG_FPGA0_XCD_SWITCH_CONTROL, REG_BLUE_TOOTH
	};

	ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("odm_single_dual_antenna_detection()============>\n"));


	if (!(p_dm_odm->support_ic_type & ODM_RTL8723B))
		return is_result;

	/* Retrieve antenna detection registry info, added by Roger, 2012.11.27. */
	if (!IS_ANT_DETECT_SUPPORT_SINGLE_TONE(p_adapter))
		return is_result;

	/* 1 Backup Current RF/BB Settings */

	current_channel = odm_get_rf_reg(p_dm_odm, ODM_RF_PATH_A, ODM_CHANNEL, RFREGOFFSETMASK);
	rf_loop_reg = odm_get_rf_reg(p_dm_odm, ODM_RF_PATH_A, 0x00, RFREGOFFSETMASK);
	if (p_dm_odm->support_ic_type & ODM_RTL8723B) {
		reg92c = odm_get_bb_reg(p_dm_odm, REG_DPDT_CONTROL, MASKDWORD);
		reg930 = odm_get_bb_reg(p_dm_odm, rfe_ctrl_anta_src, MASKDWORD);
		reg948 = odm_get_bb_reg(p_dm_odm, REG_S0_S1_PATH_SWITCH, MASKDWORD);
		regb2c = odm_get_bb_reg(p_dm_odm, REG_AGC_TABLE_SELECT, MASKDWORD);
		reg064 = odm_get_mac_reg(p_dm_odm, REG_SYM_WLBT_PAPE_SEL, BIT(29));
		odm_set_bb_reg(p_dm_odm, REG_DPDT_CONTROL, 0x3, 0x1);
		odm_set_bb_reg(p_dm_odm, rfe_ctrl_anta_src, 0xff, 0x77);
		odm_set_mac_reg(p_dm_odm, REG_SYM_WLBT_PAPE_SEL, BIT(29), 0x1);  /* dbg 7 */
		odm_set_bb_reg(p_dm_odm, REG_S0_S1_PATH_SWITCH, 0x3c0, 0x0);/* dbg 8 */
		odm_set_bb_reg(p_dm_odm, REG_AGC_TABLE_SELECT, BIT(31), 0x0);
	}

	odm_stall_execution(10);

	/* Store A path Register 88c, c08, 874, c50 */
	reg88c = odm_get_bb_reg(p_dm_odm, REG_FPGA0_ANALOG_PARAMETER4, MASKDWORD);
	regc08 = odm_get_bb_reg(p_dm_odm, REG_OFDM_0_TR_MUX_PAR, MASKDWORD);
	reg874 = odm_get_bb_reg(p_dm_odm, REG_FPGA0_XCD_RF_INTERFACE_SW, MASKDWORD);
	regc50 = odm_get_bb_reg(p_dm_odm, REG_OFDM_0_XA_AGC_CORE1, MASKDWORD);

	/* Store AFE Registers */
	if (p_dm_odm->support_ic_type & ODM_RTL8723B)
		afe_rrx_wait_cca = odm_get_bb_reg(p_dm_odm, REG_RX_WAIT_CCA, MASKDWORD);

	/* Set PSD 128 pts */
	odm_set_bb_reg(p_dm_odm, REG_FPGA0_PSD_FUNCTION, BIT(14) | BIT15, 0x0); /* 128 pts */

	/* To SET CH1 to do */
	odm_set_rf_reg(p_dm_odm, ODM_RF_PATH_A, ODM_CHANNEL, RFREGOFFSETMASK, 0x7401);     /* channel 1 */

	/* AFE all on step */
	if (p_dm_odm->support_ic_type & ODM_RTL8723B)
		odm_set_bb_reg(p_dm_odm, REG_RX_WAIT_CCA, MASKDWORD, 0x01c00016);

	/* 3 wire Disable */
	odm_set_bb_reg(p_dm_odm, REG_FPGA0_ANALOG_PARAMETER4, MASKDWORD, 0xCCF000C0);

	/* BB IQK setting */
	odm_set_bb_reg(p_dm_odm, REG_OFDM_0_TR_MUX_PAR, MASKDWORD, 0x000800E4);
	odm_set_bb_reg(p_dm_odm, REG_FPGA0_XCD_RF_INTERFACE_SW, MASKDWORD, 0x22208000);

	/* IQK setting tone@ 4.34Mhz */
	odm_set_bb_reg(p_dm_odm, REG_TX_IQK_TONE_A, MASKDWORD, 0x10008C1C);
	odm_set_bb_reg(p_dm_odm, REG_TX_IQK, MASKDWORD, 0x01007c00);

	/* Page B init */
	odm_set_bb_reg(p_dm_odm, REG_CONFIG_ANT_A, MASKDWORD, 0x00080000);
	odm_set_bb_reg(p_dm_odm, REG_CONFIG_ANT_A, MASKDWORD, 0x0f600000);
	odm_set_bb_reg(p_dm_odm, REG_RX_IQK, MASKDWORD, 0x01004800);
	odm_set_bb_reg(p_dm_odm, REG_RX_IQK_TONE_A, MASKDWORD, 0x10008c1f);
	if (p_dm_odm->support_ic_type & ODM_RTL8723B) {
		odm_set_bb_reg(p_dm_odm, REG_TX_IQK_PI_A, MASKDWORD, 0x82150016);
		odm_set_bb_reg(p_dm_odm, REG_RX_IQK_PI_A, MASKDWORD, 0x28150016);
	}
	odm_set_bb_reg(p_dm_odm, REG_IQK_AGC_RSP, MASKDWORD, 0x001028d0);
	odm_set_bb_reg(p_dm_odm, REG_OFDM_0_XA_AGC_CORE1, 0x7f, initial_gain);

	/* IQK Single tone start */
	odm_set_bb_reg(p_dm_odm, REG_FPGA0_IQK, 0xffffff00, 0x808000);
	odm_set_bb_reg(p_dm_odm, REG_IQK_AGC_PTS, MASKDWORD, 0xf9000000);
	odm_set_bb_reg(p_dm_odm, REG_IQK_AGC_PTS, MASKDWORD, 0xf8000000);

	odm_stall_execution(10000);

	/* PSD report of antenna A */
	PSD_report_tmp = 0x0;
	for (n = 0; n < 2; n++) {
		PSD_report_tmp = phydm_get_psd_data(p_dm_odm, 14, initial_gain);
		if (PSD_report_tmp > ant_a_report)
			ant_a_report = PSD_report_tmp;
	}

	/* change to Antenna B */
	if (p_dm_odm->support_ic_type & ODM_RTL8723B) {
		/* odm_set_bb_reg(p_dm_odm, REG_DPDT_CONTROL, 0x3, 0x2); */
		odm_set_bb_reg(p_dm_odm, REG_S0_S1_PATH_SWITCH, 0xfff, 0x280);
		odm_set_bb_reg(p_dm_odm, REG_AGC_TABLE_SELECT, BIT(31), 0x1);
	}

	odm_stall_execution(10);

	/* PSD report of antenna B */
	PSD_report_tmp = 0x0;
	for (n = 0; n < 2; n++) {
		PSD_report_tmp = phydm_get_psd_data(p_dm_odm, 14, initial_gain);
		if (PSD_report_tmp > ant_b_report)
			ant_b_report = PSD_report_tmp;
	}

	/* Close IQK Single Tone function */
	odm_set_bb_reg(p_dm_odm, REG_FPGA0_IQK, 0xffffff00, 0x000000);

	/* 1 Return to antanna A */
	if (p_dm_odm->support_ic_type & ODM_RTL8723B) {
		/* external DPDT */
		odm_set_bb_reg(p_dm_odm, REG_DPDT_CONTROL, MASKDWORD, reg92c);

		/* internal S0/S1 */
		odm_set_bb_reg(p_dm_odm, REG_S0_S1_PATH_SWITCH, MASKDWORD, reg948);
		odm_set_bb_reg(p_dm_odm, REG_AGC_TABLE_SELECT, MASKDWORD, regb2c);
		odm_set_bb_reg(p_dm_odm, rfe_ctrl_anta_src, MASKDWORD, reg930);
		odm_set_mac_reg(p_dm_odm, REG_SYM_WLBT_PAPE_SEL, BIT(29), reg064);
	}

	odm_set_bb_reg(p_dm_odm, REG_FPGA0_ANALOG_PARAMETER4, MASKDWORD, reg88c);
	odm_set_bb_reg(p_dm_odm, REG_OFDM_0_TR_MUX_PAR, MASKDWORD, regc08);
	odm_set_bb_reg(p_dm_odm, REG_FPGA0_XCD_RF_INTERFACE_SW, MASKDWORD, reg874);
	odm_set_bb_reg(p_dm_odm, REG_OFDM_0_XA_AGC_CORE1, 0x7F, 0x40);
	odm_set_bb_reg(p_dm_odm, REG_OFDM_0_XA_AGC_CORE1, MASKDWORD, regc50);
	odm_set_rf_reg(p_dm_odm, ODM_RF_PATH_A, RF_CHNLBW, RFREGOFFSETMASK, current_channel);
	odm_set_rf_reg(p_dm_odm, ODM_RF_PATH_A, 0x00, RFREGOFFSETMASK, rf_loop_reg);

	/* Reload AFE Registers */
	if (p_dm_odm->support_ic_type & ODM_RTL8723B)
		odm_set_bb_reg(p_dm_odm, REG_RX_WAIT_CCA, MASKDWORD, afe_rrx_wait_cca);

	if (p_dm_odm->support_ic_type & ODM_RTL8723B) {
		ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("psd_report_A[%d]= %d\n", 2416, ant_a_report));
		ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("psd_report_B[%d]= %d\n", 2416, ant_b_report));

		/* 2 Test ant B based on ant A is ON */
		if ((ant_a_report >= 100) && (ant_b_report >= 100) && (ant_a_report <= 135) && (ant_b_report <= 135)) {
			u8 TH1 = 2, TH2 = 6;

			if ((ant_a_report - ant_b_report < TH1) || (ant_b_report - ant_a_report < TH1)) {
				p_dm_swat_table->ANTA_ON = true;
				p_dm_swat_table->ANTB_ON = true;
				ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("odm_single_dual_antenna_detection(): Dual Antenna\n"));
			} else if (((ant_a_report - ant_b_report >= TH1) && (ant_a_report - ant_b_report <= TH2)) ||
				((ant_b_report - ant_a_report >= TH1) && (ant_b_report - ant_a_report <= TH2))) {
				p_dm_swat_table->ANTA_ON = false;
				p_dm_swat_table->ANTB_ON = false;
				is_result = false;
				ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("odm_single_dual_antenna_detection(): Need to check again\n"));
			} else {
				p_dm_swat_table->ANTA_ON = true;
				p_dm_swat_table->ANTB_ON = false;
				ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("odm_single_dual_antenna_detection(): Single Antenna\n"));
			}
			p_dm_odm->ant_detected_info.is_ant_detected = true;
			p_dm_odm->ant_detected_info.db_for_ant_a = ant_a_report;
			p_dm_odm->ant_detected_info.db_for_ant_b = ant_b_report;
			p_dm_odm->ant_detected_info.db_for_ant_o = ant_0_report;

		} else {
			ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("return false!!\n"));
			is_result = false;
		}
	}
	return is_result;

}



/* 1 [2. Scan AP RSSI method] ================================================== */




boolean
odm_sw_ant_div_check_before_link(
	void		*p_dm_void
)
{

#if (RT_MEM_SIZE_LEVEL != RT_MEM_SIZE_MINIMUM)

	struct PHY_DM_STRUCT		*p_dm_odm = (struct PHY_DM_STRUCT *)p_dm_void;
	struct _ADAPTER		*adapter = p_dm_odm->adapter;
	HAL_DATA_TYPE	*p_hal_data = GET_HAL_DATA(adapter);
	PMGNT_INFO		p_mgnt_info = &adapter->MgntInfo;
	struct _sw_antenna_switch_			*p_dm_swat_table = &p_dm_odm->dm_swat_table;
	struct _FAST_ANTENNA_TRAINNING_	*p_dm_fat_table = &p_dm_odm->dm_fat_table;
	s8			score = 0;
	PRT_WLAN_BSS	p_tmp_bss_desc, p_test_bss_desc;
	u8			power_target_L = 9, power_target_H = 16;
	u8			tmp_power_diff = 0, power_diff = 0, avg_power_diff = 0, max_power_diff = 0, min_power_diff = 0xff;
	u16			index, counter = 0;
	static u8		scan_channel;
	u32			tmp_swas_no_link_bk_reg948;

	ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("ANTA_ON = (( %d )) , ANTB_ON = (( %d ))\n", p_dm_odm->dm_swat_table.ANTA_ON, p_dm_odm->dm_swat_table.ANTB_ON));

	/* if(HP id) */
	{
		if (p_dm_odm->dm_swat_table.rssi_ant_dect_result == true && p_dm_odm->support_ic_type == ODM_RTL8723B) {
			ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("8723B RSSI-based Antenna Detection is done\n"));
			return false;
		}

		if (p_dm_odm->support_ic_type == ODM_RTL8723B) {
			if (p_dm_swat_table->swas_no_link_bk_reg948 == 0xff)
				p_dm_swat_table->swas_no_link_bk_reg948 = odm_read_4byte(p_dm_odm, REG_S0_S1_PATH_SWITCH);
		}
	}

	if (p_dm_odm->adapter == NULL) { /* For BSOD when plug/unplug fast.  //By YJ,120413 */
		/* The ODM structure is not initialized. */
		return false;
	}

	/* Retrieve antenna detection registry info, added by Roger, 2012.11.27. */
	if (!IS_ANT_DETECT_SUPPORT_RSSI(adapter))
		return false;
	else
		ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("Antenna Detection: RSSI method\n"));

	/* Since driver is going to set BB register, it shall check if there is another thread controlling BB/RF. */
	odm_acquire_spin_lock(p_dm_odm, RT_RF_STATE_SPINLOCK);
	if (p_hal_data->eRFPowerState != eRfOn || p_mgnt_info->RFChangeInProgress || p_mgnt_info->bMediaConnect) {
		odm_release_spin_lock(p_dm_odm, RT_RF_STATE_SPINLOCK);

		ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD,
			("odm_sw_ant_div_check_before_link(): rf_change_in_progress(%x), e_rf_power_state(%x)\n",
			p_mgnt_info->RFChangeInProgress, p_hal_data->eRFPowerState));

		p_dm_swat_table->swas_no_link_state = 0;

		return false;
	} else
		odm_release_spin_lock(p_dm_odm, RT_RF_STATE_SPINLOCK);
	ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("p_dm_swat_table->swas_no_link_state = %d\n", p_dm_swat_table->swas_no_link_state));
	/* 1 Run AntDiv mechanism "Before Link" part. */
	if (p_dm_swat_table->swas_no_link_state == 0) {
		/* 1 Prepare to do Scan again to check current antenna state. */

		/* Set check state to next step. */
		p_dm_swat_table->swas_no_link_state = 1;

		/* Copy Current Scan list. */
		p_mgnt_info->tmpNumBssDesc = p_mgnt_info->NumBssDesc;
		PlatformMoveMemory((void *)adapter->MgntInfo.tmpbssDesc, (void *)p_mgnt_info->bssDesc, sizeof(RT_WLAN_BSS) * MAX_BSS_DESC);

		/* Go back to scan function again. */
		ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("odm_sw_ant_div_check_before_link: Scan one more time\n"));
		p_mgnt_info->ScanStep = 0;
		p_mgnt_info->bScanAntDetect = true;
		scan_channel = odm_sw_ant_div_select_scan_chnl(adapter);


		if (p_dm_odm->support_ic_type & (ODM_RTL8188E | ODM_RTL8821)) {
			if (p_dm_fat_table->rx_idle_ant == MAIN_ANT)
				odm_update_rx_idle_ant(p_dm_odm, AUX_ANT);
			else
				odm_update_rx_idle_ant(p_dm_odm, MAIN_ANT);
			if (scan_channel == 0) {
				ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD,
					("odm_sw_ant_div_check_before_link(): No AP List Avaiable, Using ant(%s)\n", (p_dm_fat_table->rx_idle_ant == MAIN_ANT) ? "AUX_ANT" : "MAIN_ANT"));

				if (IS_5G_WIRELESS_MODE(p_mgnt_info->dot11CurrentWirelessMode)) {
					p_dm_swat_table->ant_5g = p_dm_fat_table->rx_idle_ant;
					ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("p_dm_swat_table->ant_5g=%s\n", (p_dm_fat_table->rx_idle_ant == MAIN_ANT) ? "MAIN_ANT" : "AUX_ANT"));
				} else {
					p_dm_swat_table->ant_2g = p_dm_fat_table->rx_idle_ant;
					ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("p_dm_swat_table->ant_2g=%s\n", (p_dm_fat_table->rx_idle_ant == MAIN_ANT) ? "MAIN_ANT" : "AUX_ANT"));
				}
				return false;
			}

			ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD,
				("odm_sw_ant_div_check_before_link: Change to %s for testing.\n", ((p_dm_fat_table->rx_idle_ant == MAIN_ANT) ? "MAIN_ANT" : "AUX_ANT")));
		} else if (p_dm_odm->support_ic_type & (ODM_RTL8723B)) {
			/*Switch Antenna to another one.*/

			tmp_swas_no_link_bk_reg948 = odm_read_4byte(p_dm_odm, REG_S0_S1_PATH_SWITCH);

			if ((p_dm_swat_table->cur_antenna == MAIN_ANT) && (tmp_swas_no_link_bk_reg948 == 0x200)) {
				odm_set_bb_reg(p_dm_odm, REG_S0_S1_PATH_SWITCH, 0xfff, 0x280);
				odm_set_bb_reg(p_dm_odm, REG_AGC_TABLE_SELECT, BIT(31), 0x1);
				p_dm_swat_table->cur_antenna = AUX_ANT;
			} else {
				ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("Reg[948]= (( %x )) was in wrong state\n", tmp_swas_no_link_bk_reg948));
				return false;
			}
			odm_stall_execution(10);

			ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("odm_sw_ant_div_check_before_link: Change to (( %s-ant))  for testing.\n", (p_dm_swat_table->cur_antenna == MAIN_ANT) ? "MAIN" : "AUX"));
		}

		odm_sw_ant_div_construct_scan_chnl(adapter, scan_channel);
		PlatformSetTimer(adapter, &p_mgnt_info->ScanTimer, 5);

		return true;
	} else { /* p_dm_swat_table->swas_no_link_state == 1 */
		/* 1 ScanComple() is called after antenna swiched. */
		/* 1 Check scan result and determine which antenna is going */
		/* 1 to be used. */

		ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, (" tmp_num_bss_desc= (( %d ))\n", p_mgnt_info->tmpNumBssDesc)); /* debug for Dino */

		for (index = 0; index < p_mgnt_info->tmpNumBssDesc; index++) {
			p_tmp_bss_desc = &(p_mgnt_info->tmpbssDesc[index]); /* Antenna 1 */
			p_test_bss_desc = &(p_mgnt_info->bssDesc[index]); /* Antenna 2 */

			if (PlatformCompareMemory(p_test_bss_desc->bdBssIdBuf, p_tmp_bss_desc->bdBssIdBuf, 6) != 0) {
				ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("odm_sw_ant_div_check_before_link(): ERROR!! This shall not happen.\n"));
				continue;
			}

			if (p_dm_odm->support_ic_type != ODM_RTL8723B) {
				if (p_tmp_bss_desc->ChannelNumber == scan_channel) {
					if (p_tmp_bss_desc->RecvSignalPower > p_test_bss_desc->RecvSignalPower) {
						ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("odm_sw_ant_div_check_before_link: Compare scan entry: score++\n"));
						RT_PRINT_STR(COMP_SCAN, DBG_WARNING, "GetScanInfo(): new Bss SSID:", p_tmp_bss_desc->bdSsIdBuf, p_tmp_bss_desc->bdSsIdLen);
						ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("at ch %d, Original: %d, Test: %d\n\n", p_tmp_bss_desc->ChannelNumber, p_tmp_bss_desc->RecvSignalPower, p_test_bss_desc->RecvSignalPower));

						score++;
						PlatformMoveMemory(p_test_bss_desc, p_tmp_bss_desc, sizeof(RT_WLAN_BSS));
					} else if (p_tmp_bss_desc->RecvSignalPower < p_test_bss_desc->RecvSignalPower) {
						ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("odm_sw_ant_div_check_before_link: Compare scan entry: score--\n"));
						RT_PRINT_STR(COMP_SCAN, DBG_WARNING, "GetScanInfo(): new Bss SSID:", p_tmp_bss_desc->bdSsIdBuf, p_tmp_bss_desc->bdSsIdLen);
						ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("at ch %d, Original: %d, Test: %d\n\n", p_tmp_bss_desc->ChannelNumber, p_tmp_bss_desc->RecvSignalPower, p_test_bss_desc->RecvSignalPower));
						score--;
					} else {
						if (p_test_bss_desc->bdTstamp - p_tmp_bss_desc->bdTstamp < 5000) {
							RT_PRINT_STR(COMP_SCAN, DBG_WARNING, "GetScanInfo(): new Bss SSID:", p_tmp_bss_desc->bdSsIdBuf, p_tmp_bss_desc->bdSsIdLen);
							ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("at ch %d, Original: %d, Test: %d\n", p_tmp_bss_desc->ChannelNumber, p_tmp_bss_desc->RecvSignalPower, p_test_bss_desc->RecvSignalPower));
							ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("The 2nd Antenna didn't get this AP\n\n"));
						}
					}
				}
			} else { /* 8723B */
				if (p_tmp_bss_desc->ChannelNumber == scan_channel) {
					ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("channel_number == scan_channel->(( %d ))\n", p_tmp_bss_desc->ChannelNumber));

					if (p_tmp_bss_desc->RecvSignalPower > p_test_bss_desc->RecvSignalPower) { /* Pow(Ant1) > Pow(Ant2) */
						counter++;
						tmp_power_diff = (u8)(p_tmp_bss_desc->RecvSignalPower - p_test_bss_desc->RecvSignalPower);
						power_diff = power_diff + tmp_power_diff;

						ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("Original: %d, Test: %d\n", p_tmp_bss_desc->RecvSignalPower, p_test_bss_desc->RecvSignalPower));
						ODM_PRINT_ADDR(p_dm_odm, ODM_COMP_ANT_DIV, DBG_LOUD, ("SSID:"), p_tmp_bss_desc->bdSsIdBuf);
						ODM_PRINT_ADDR(p_dm_odm, ODM_COMP_ANT_DIV, DBG_LOUD, ("BSSID:"), p_tmp_bss_desc->bdSsIdBuf);

						/* ODM_RT_TRACE(p_dm_odm,ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("tmp_power_diff: (( %d)),max_power_diff: (( %d)),min_power_diff: (( %d))\n", tmp_power_diff,max_power_diff,min_power_diff)); */
						if (tmp_power_diff > max_power_diff)
							max_power_diff = tmp_power_diff;
						if (tmp_power_diff < min_power_diff)
							min_power_diff = tmp_power_diff;
						/* ODM_RT_TRACE(p_dm_odm,ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("max_power_diff: (( %d)),min_power_diff: (( %d))\n",max_power_diff,min_power_diff)); */

						PlatformMoveMemory(p_test_bss_desc, p_tmp_bss_desc, sizeof(RT_WLAN_BSS));
					} else if (p_test_bss_desc->RecvSignalPower > p_tmp_bss_desc->RecvSignalPower) { /* Pow(Ant1) < Pow(Ant2) */
						counter++;
						tmp_power_diff = (u8)(p_test_bss_desc->RecvSignalPower - p_tmp_bss_desc->RecvSignalPower);
						power_diff = power_diff + tmp_power_diff;
						ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("Original: %d, Test: %d\n", p_tmp_bss_desc->RecvSignalPower, p_test_bss_desc->RecvSignalPower));
						ODM_PRINT_ADDR(p_dm_odm, ODM_COMP_ANT_DIV, DBG_LOUD, ("SSID:"), p_tmp_bss_desc->bdSsIdBuf);
						ODM_PRINT_ADDR(p_dm_odm, ODM_COMP_ANT_DIV, DBG_LOUD, ("BSSID:"), p_tmp_bss_desc->bdSsIdBuf);
						if (tmp_power_diff > max_power_diff)
							max_power_diff = tmp_power_diff;
						if (tmp_power_diff < min_power_diff)
							min_power_diff = tmp_power_diff;
					} else { /* Pow(Ant1) = Pow(Ant2) */
						if (p_test_bss_desc->bdTstamp > p_tmp_bss_desc->bdTstamp) { /* Stamp(Ant1) < Stamp(Ant2) */
							ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("time_diff: %lld\n", (p_test_bss_desc->bdTstamp - p_tmp_bss_desc->bdTstamp) / 1000));
							if (p_test_bss_desc->bdTstamp - p_tmp_bss_desc->bdTstamp > 5000) {
								counter++;
								ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("Original: %d, Test: %d\n", p_tmp_bss_desc->RecvSignalPower, p_test_bss_desc->RecvSignalPower));
								ODM_PRINT_ADDR(p_dm_odm, ODM_COMP_ANT_DIV, DBG_LOUD, ("SSID:"), p_tmp_bss_desc->bdSsIdBuf);
								ODM_PRINT_ADDR(p_dm_odm, ODM_COMP_ANT_DIV, DBG_LOUD, ("BSSID:"), p_tmp_bss_desc->bdSsIdBuf);
								min_power_diff = 0;
							}
						} else
							ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("[Error !!!]: Time_diff: %lld\n", (p_test_bss_desc->bdTstamp - p_tmp_bss_desc->bdTstamp) / 1000));
					}
				}
			}
		}

		if (p_dm_odm->support_ic_type & (ODM_RTL8188E | ODM_RTL8821)) {
			if (p_mgnt_info->NumBssDesc != 0 && score < 0) {
				ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD,
					("odm_sw_ant_div_check_before_link(): Using ant(%s)\n", (p_dm_fat_table->rx_idle_ant == MAIN_ANT) ? "MAIN_ANT" : "AUX_ANT"));
			} else {
				ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD,
					("odm_sw_ant_div_check_before_link(): Remain ant(%s)\n", (p_dm_fat_table->rx_idle_ant == MAIN_ANT) ? "AUX_ANT" : "MAIN_ANT"));

				if (p_dm_fat_table->rx_idle_ant == MAIN_ANT)
					odm_update_rx_idle_ant(p_dm_odm, AUX_ANT);
				else
					odm_update_rx_idle_ant(p_dm_odm, MAIN_ANT);
			}

			if (IS_5G_WIRELESS_MODE(p_mgnt_info->dot11CurrentWirelessMode)) {
				p_dm_swat_table->ant_5g = p_dm_fat_table->rx_idle_ant;
				ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("p_dm_swat_table->ant_5g=%s\n", (p_dm_fat_table->rx_idle_ant == MAIN_ANT) ? "MAIN_ANT" : "AUX_ANT"));
			} else {
				p_dm_swat_table->ant_2g = p_dm_fat_table->rx_idle_ant;
				ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("p_dm_swat_table->ant_2g=%s\n", (p_dm_fat_table->rx_idle_ant == MAIN_ANT) ? "MAIN_ANT" : "AUX_ANT"));
			}
		} else if (p_dm_odm->support_ic_type == ODM_RTL8723B) {
			if (counter == 0) {
				if (p_dm_odm->dm_swat_table.pre_aux_fail_detec == false) {
					p_dm_odm->dm_swat_table.pre_aux_fail_detec = true;
					p_dm_odm->dm_swat_table.rssi_ant_dect_result = false;
					ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("counter=(( 0 )) , [[ Cannot find any AP with Aux-ant ]] ->  Scan Target-channel again\n"));

					/* 3 [ Scan again ] */
					odm_sw_ant_div_construct_scan_chnl(adapter, scan_channel);
					PlatformSetTimer(adapter, &p_mgnt_info->ScanTimer, 5);
					return true;
				} else { /* pre_aux_fail_detec == true */
					/* 2 [ Single Antenna ] */
					p_dm_odm->dm_swat_table.pre_aux_fail_detec = false;
					p_dm_odm->dm_swat_table.rssi_ant_dect_result = true;
					ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("counter=(( 0 )) , [[  Still cannot find any AP ]]\n"));
					ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("odm_sw_ant_div_check_before_link(): Single antenna\n"));
				}
				p_dm_odm->dm_swat_table.aux_fail_detec_counter++;
			} else {
				p_dm_odm->dm_swat_table.pre_aux_fail_detec = false;

				if (counter == 3) {
					avg_power_diff = ((power_diff - max_power_diff - min_power_diff) >> 1) + ((max_power_diff + min_power_diff) >> 2);
					ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("counter: (( %d )) ,  power_diff: (( %d ))\n", counter, power_diff));
					ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("[ counter==3 ] Modified avg_power_diff: (( %d )) , max_power_diff: (( %d )) ,  min_power_diff: (( %d ))\n", avg_power_diff, max_power_diff, min_power_diff));
				} else if (counter >= 4) {
					avg_power_diff = (power_diff - max_power_diff - min_power_diff) / (counter - 2);
					ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("counter: (( %d )) ,  power_diff: (( %d ))\n", counter, power_diff));
					ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("[ counter>=4 ] Modified avg_power_diff: (( %d )) , max_power_diff: (( %d )) ,  min_power_diff: (( %d ))\n", avg_power_diff, max_power_diff, min_power_diff));

				} else { /* counter==1,2 */
					avg_power_diff = power_diff / counter;
					ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("avg_power_diff: (( %d )) , counter: (( %d )) ,  power_diff: (( %d ))\n", avg_power_diff, counter, power_diff));
				}

				/* 2 [ Retry ] */
				if ((avg_power_diff >= power_target_L) && (avg_power_diff <= power_target_H)) {
					p_dm_odm->dm_swat_table.retry_counter++;

					if (p_dm_odm->dm_swat_table.retry_counter <= 3) {
						p_dm_odm->dm_swat_table.rssi_ant_dect_result = false;
						ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("[[ Low confidence result ]] avg_power_diff= (( %d ))  ->  Scan Target-channel again ]]\n", avg_power_diff));

						/* 3 [ Scan again ] */
						odm_sw_ant_div_construct_scan_chnl(adapter, scan_channel);
						PlatformSetTimer(adapter, &p_mgnt_info->ScanTimer, 5);
						return true;
					} else {
						p_dm_odm->dm_swat_table.rssi_ant_dect_result = true;
						ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("[[ Still Low confidence result ]]  (( retry_counter > 3 ))\n"));
						ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("odm_sw_ant_div_check_before_link(): Single antenna\n"));
					}

				}
				/* 2 [ Dual Antenna ] */
				else if ((p_mgnt_info->NumBssDesc != 0) && (avg_power_diff < power_target_L)) {
					p_dm_odm->dm_swat_table.rssi_ant_dect_result = true;
					if (p_dm_odm->dm_swat_table.ANTB_ON == false) {
						p_dm_odm->dm_swat_table.ANTA_ON = true;
						p_dm_odm->dm_swat_table.ANTB_ON = true;
					}
					ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("odm_sw_ant_div_check_before_link(): Dual antenna\n"));
					p_dm_odm->dm_swat_table.dual_ant_counter++;

					/* set bt coexDM from 1ant coexDM to 2ant coexDM */
					BT_SetBtCoexAntNum(adapter, BT_COEX_ANT_TYPE_DETECTED, 2);

					/* 3 [ Init antenna diversity ] */
					p_dm_odm->support_ability |= ODM_BB_ANT_DIV;
					odm_ant_div_init(p_dm_odm);
				}
				/* 2 [ Single Antenna ] */
				else if (avg_power_diff > power_target_H) {
					p_dm_odm->dm_swat_table.rssi_ant_dect_result = true;
					if (p_dm_odm->dm_swat_table.ANTB_ON == true) {
						p_dm_odm->dm_swat_table.ANTA_ON = true;
						p_dm_odm->dm_swat_table.ANTB_ON = false;
						/* bt_set_bt_coex_ant_num(adapter, BT_COEX_ANT_TYPE_DETECTED, 1); */
					}
					ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("odm_sw_ant_div_check_before_link(): Single antenna\n"));
					p_dm_odm->dm_swat_table.single_ant_counter++;
				}
			}
			/* ODM_RT_TRACE(p_dm_odm,ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("is_result=(( %d ))\n",p_dm_odm->dm_swat_table.rssi_ant_dect_result)); */
			ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("dual_ant_counter = (( %d )), single_ant_counter = (( %d )) , retry_counter = (( %d )) , aux_fail_detec_counter = (( %d ))\n\n\n",
				p_dm_odm->dm_swat_table.dual_ant_counter, p_dm_odm->dm_swat_table.single_ant_counter, p_dm_odm->dm_swat_table.retry_counter, p_dm_odm->dm_swat_table.aux_fail_detec_counter));

			/* 2 recover the antenna setting */

			if (p_dm_odm->dm_swat_table.ANTB_ON == false)
				odm_set_bb_reg(p_dm_odm, REG_S0_S1_PATH_SWITCH, 0xfff, (p_dm_swat_table->swas_no_link_bk_reg948));

			ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("is_result=(( %d )), Recover  Reg[948]= (( %x )) \n\n", p_dm_odm->dm_swat_table.rssi_ant_dect_result, p_dm_swat_table->swas_no_link_bk_reg948));


		}

		/* Check state reset to default and wait for next time. */
		p_dm_swat_table->swas_no_link_state = 0;
		p_mgnt_info->bScanAntDetect = false;

		return false;
	}

#else
	return	false;
#endif

	return false;
}






/* 1 [3. PSD method] ========================================================== */
void
odm_single_dual_antenna_detection_psd(
	void	*p_dm_void
)
{
	struct PHY_DM_STRUCT		*p_dm_odm = (struct PHY_DM_STRUCT *)p_dm_void;
	u32	channel_ori;
	u8	initial_gain = 0x36;
	u8	tone_idx;
	u8	tone_lenth_1 = 7, tone_lenth_2 = 4;
	u16	tone_idx_1[7] = {88, 104, 120, 8, 24, 40, 56};
	u16	tone_idx_2[4] = {8, 24, 40, 56};
	u32	psd_report_main[11] = {0}, psd_report_aux[11] = {0};
	/* u8	tone_lenth_1=4, tone_lenth_2=2; */
	/* u16	tone_idx_1[4]={88, 120, 24, 56}; */
	/* u16	tone_idx_2[2]={ 24,  56}; */
	/* u32	psd_report_main[6]={0}, psd_report_aux[6]={0}; */

	u32	PSD_report_temp, max_psd_report_main = 0, max_psd_report_aux = 0;
	u32	PSD_power_threshold;
	u32	main_psd_result = 0, aux_psd_result = 0;
	u32	regc50, reg948, regb2c, regc14, reg908;
	u32	i = 0, test_num = 8;


	if (p_dm_odm->support_ic_type != ODM_RTL8723B)
		return;

	ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("odm_single_dual_antenna_detection_psd()============>\n"));

	/* 2 [ Backup Current RF/BB Settings ] */

	channel_ori = odm_get_rf_reg(p_dm_odm, ODM_RF_PATH_A, ODM_CHANNEL, RFREGOFFSETMASK);
	reg948 = odm_get_bb_reg(p_dm_odm, REG_S0_S1_PATH_SWITCH, MASKDWORD);
	regb2c =  odm_get_bb_reg(p_dm_odm, REG_AGC_TABLE_SELECT, MASKDWORD);
	regc50 = odm_get_bb_reg(p_dm_odm, REG_OFDM_0_XA_AGC_CORE1, MASKDWORD);
	regc14 = odm_get_bb_reg(p_dm_odm, 0xc14, MASKDWORD);
	reg908 = odm_get_bb_reg(p_dm_odm, 0x908, MASKDWORD);

	/* 2 [ setting for doing PSD function (CH4)] */
	odm_set_bb_reg(p_dm_odm, REG_FPGA0_RFMOD, BIT(24), 0); /* disable whole CCK block */
	odm_write_1byte(p_dm_odm, REG_TXPAUSE, 0xFF); /* Turn off TX  ->  Pause TX Queue */
	odm_set_bb_reg(p_dm_odm, 0xC14, MASKDWORD, 0x0); /* [ Set IQK Matrix = 0 ] equivalent to [ Turn off CCA] */

	/* PHYTXON while loop */
	odm_set_bb_reg(p_dm_odm, 0x908, MASKDWORD, 0x803);
	while (odm_get_bb_reg(p_dm_odm, 0xdf4, BIT(6))) {
		i++;
		if (i > 1000000) {
			ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("Wait in %s() more than %d times!\n", __FUNCTION__, i));
			break;
		}
	}

	odm_set_bb_reg(p_dm_odm, 0xc50, 0x7f, initial_gain);
	odm_set_rf_reg(p_dm_odm, ODM_RF_PATH_A, ODM_CHANNEL, 0x7ff, 0x04);     /* Set RF to CH4 & 40M */
	odm_set_bb_reg(p_dm_odm, REG_FPGA0_ANALOG_PARAMETER4, 0xf00000, 0xf);	/* 3 wire Disable    88c[23:20]=0xf */
	odm_set_bb_reg(p_dm_odm, REG_FPGA0_PSD_FUNCTION, BIT(14) | BIT15, 0x0);  /* 128 pt	 */ /* Set PSD 128 ptss */
	odm_stall_execution(3000);


	/* 2 [ Doing PSD Function in (CH4)] */

	/* Antenna A */
	ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("Switch to Main-ant   (CH4)\n"));
	odm_set_bb_reg(p_dm_odm, 0x948, 0xfff, 0x200);
	odm_stall_execution(10);
	ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("dbg\n"));
	for (i = 0; i < test_num; i++) {
		for (tone_idx = 0; tone_idx < tone_lenth_1; tone_idx++) {
			PSD_report_temp = phydm_get_psd_data(p_dm_odm, tone_idx_1[tone_idx], initial_gain);
			/* if(  PSD_report_temp>psd_report_main[tone_idx]  ) */
			psd_report_main[tone_idx] += PSD_report_temp;
		}
	}
	/* Antenna B */
	ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("Switch to Aux-ant   (CH4)\n"));
	odm_set_bb_reg(p_dm_odm, 0x948, 0xfff, 0x280);
	odm_stall_execution(10);
	for (i = 0; i < test_num; i++) {
		for (tone_idx = 0; tone_idx < tone_lenth_1; tone_idx++) {
			PSD_report_temp = phydm_get_psd_data(p_dm_odm, tone_idx_1[tone_idx], initial_gain);
			/* if(  PSD_report_temp>psd_report_aux[tone_idx]  ) */
			psd_report_aux[tone_idx] += PSD_report_temp;
		}
	}
	/* 2 [ Doing PSD Function in (CH8)] */

	odm_set_bb_reg(p_dm_odm, REG_FPGA0_ANALOG_PARAMETER4, 0xf00000, 0x0);	/* 3 wire enable    88c[23:20]=0x0 */
	odm_stall_execution(3000);

	odm_set_bb_reg(p_dm_odm, 0xc50, 0x7f, initial_gain);
	odm_set_rf_reg(p_dm_odm, ODM_RF_PATH_A, ODM_CHANNEL, 0x7ff, 0x04);     /* Set RF to CH8 & 40M */

	odm_set_bb_reg(p_dm_odm, REG_FPGA0_ANALOG_PARAMETER4, 0xf00000, 0xf);	/* 3 wire Disable    88c[23:20]=0xf */
	odm_stall_execution(3000);

	/* Antenna A */
	ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("Switch to Main-ant   (CH8)\n"));
	odm_set_bb_reg(p_dm_odm, 0x948, 0xfff, 0x200);
	odm_stall_execution(10);

	for (i = 0; i < test_num; i++) {
		for (tone_idx = 0; tone_idx < tone_lenth_2; tone_idx++) {
			PSD_report_temp = phydm_get_psd_data(p_dm_odm, tone_idx_2[tone_idx], initial_gain);
			/* if(  PSD_report_temp>psd_report_main[tone_idx]  ) */
			psd_report_main[tone_lenth_1 + tone_idx] += PSD_report_temp;
		}
	}

	/* Antenna B */
	ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("Switch to Aux-ant   (CH8)\n"));
	odm_set_bb_reg(p_dm_odm, 0x948, 0xfff, 0x280);
	odm_stall_execution(10);

	for (i = 0; i < test_num; i++) {
		for (tone_idx = 0; tone_idx < tone_lenth_2; tone_idx++) {
			PSD_report_temp = phydm_get_psd_data(p_dm_odm, tone_idx_2[tone_idx], initial_gain);
			/* if(  PSD_report_temp>psd_report_aux[tone_idx]  ) */
			psd_report_aux[tone_lenth_1 + tone_idx] += PSD_report_temp;
		}
	}

	/* 2 [ Calculate Result ] */

	ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("\nMain PSD Result: (ALL)\n"));
	for (tone_idx = 0; tone_idx < (tone_lenth_1 + tone_lenth_2); tone_idx++) {
		ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("[Tone-%d]: %d,\n", (tone_idx + 1), psd_report_main[tone_idx]));
		main_psd_result += psd_report_main[tone_idx];
		if (psd_report_main[tone_idx] > max_psd_report_main)
			max_psd_report_main = psd_report_main[tone_idx];
	}
	ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("--------------------------- \nTotal_Main= (( %d ))\n", main_psd_result));
	ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("MAX_Main = (( %d ))\n", max_psd_report_main));


	ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("\nAux PSD Result: (ALL)\n"));
	for (tone_idx = 0; tone_idx < (tone_lenth_1 + tone_lenth_2); tone_idx++) {
		ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("[Tone-%d]: %d,\n", (tone_idx + 1), psd_report_aux[tone_idx]));
		aux_psd_result += psd_report_aux[tone_idx];
		if (psd_report_aux[tone_idx] > max_psd_report_aux)
			max_psd_report_aux = psd_report_aux[tone_idx];
	}
	ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("--------------------------- \nTotal_Aux= (( %d ))\n", aux_psd_result));
	ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("MAX_Aux = (( %d ))\n\n", max_psd_report_aux));

	/* main_psd_result=main_psd_result-max_psd_report_main; */
	/* aux_psd_result=aux_psd_result-max_psd_report_aux; */
	PSD_power_threshold = (main_psd_result * 7) >> 3;

	ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("[ Main_result, Aux_result ] = [ %d , %d ], PSD_power_threshold=(( %d ))\n", main_psd_result, aux_psd_result, PSD_power_threshold));

	/* 3 [ Dual Antenna ] */
	if (aux_psd_result >= PSD_power_threshold) {
		if (p_dm_odm->dm_swat_table.ANTB_ON == false) {
			p_dm_odm->dm_swat_table.ANTA_ON = true;
			p_dm_odm->dm_swat_table.ANTB_ON = true;
		}
		ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("odm_sw_ant_div_check_before_link(): Dual antenna\n"));

		/* set bt coexDM from 1ant coexDM to 2ant coexDM */
		/* bt_set_bt_coex_ant_num(p_adapter, BT_COEX_ANT_TYPE_DETECTED, 2); */

		/* Init antenna diversity */
		p_dm_odm->support_ability |= ODM_BB_ANT_DIV;
		odm_ant_div_init(p_dm_odm);
	}
	/* 3 [ Single Antenna ] */
	else {
		if (p_dm_odm->dm_swat_table.ANTB_ON == true) {
			p_dm_odm->dm_swat_table.ANTA_ON = true;
			p_dm_odm->dm_swat_table.ANTB_ON = false;
		}
		ODM_RT_TRACE(p_dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("odm_sw_ant_div_check_before_link(): Single antenna\n"));
	}

	/* 2 [ Recover all parameters ] */

	odm_set_rf_reg(p_dm_odm, ODM_RF_PATH_A, RF_CHNLBW, RFREGOFFSETMASK, channel_ori);
	odm_set_bb_reg(p_dm_odm, REG_FPGA0_ANALOG_PARAMETER4, 0xf00000, 0x0);	/* 3 wire enable    88c[23:20]=0x0 */
	odm_set_bb_reg(p_dm_odm, 0xc50, 0x7f, regc50);

	odm_set_bb_reg(p_dm_odm, REG_S0_S1_PATH_SWITCH, MASKDWORD, reg948);
	odm_set_bb_reg(p_dm_odm, REG_AGC_TABLE_SELECT, MASKDWORD, regb2c);

	odm_set_bb_reg(p_dm_odm, REG_FPGA0_RFMOD, BIT(24), 1); /* enable whole CCK block */
	odm_write_1byte(p_dm_odm, REG_TXPAUSE, 0x0); /* Turn on TX	 */ /* Resume TX Queue */
	odm_set_bb_reg(p_dm_odm, 0xC14, MASKDWORD, regc14); /* [ Set IQK Matrix = 0 ] equivalent to [ Turn on CCA] */
	odm_set_bb_reg(p_dm_odm, 0x908, MASKDWORD, reg908);

	return;

}

#endif
void
odm_sw_ant_detect_init(
	void		*p_dm_void
)
{
#if (defined(CONFIG_ANT_DETECTION))
	struct PHY_DM_STRUCT		*p_dm_odm = (struct PHY_DM_STRUCT *)p_dm_void;
	struct _sw_antenna_switch_		*p_dm_swat_table = &p_dm_odm->dm_swat_table;

	/* p_dm_swat_table->pre_antenna = MAIN_ANT; */
	/* p_dm_swat_table->cur_antenna = MAIN_ANT; */
	p_dm_swat_table->swas_no_link_state = 0;
	p_dm_swat_table->pre_aux_fail_detec = false;
	p_dm_swat_table->swas_no_link_bk_reg948 = 0xff;

	#if (CONFIG_PSD_TOOL == 1)
	phydm_psd_init(p_dm_odm);
	#endif
#endif
}