dm_common.c

/******************************************************************************
 *
 * Copyright(c) 2009-2010  Realtek Corporation.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of version 2 of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
 *
 * The full GNU General Public License is included in this distribution in the
 * file called LICENSE.
 *
 * Contact Information:
 * wlanfae <wlanfae@realtek.com>
 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
 * Hsinchu 300, Taiwan.
 *
 * Larry Finger <Larry.Finger@lwfinger.net>
 *
 *****************************************************************************/

#include "dm_common.h"
#include "phy_common.h"
#include "../pci.h"
#include "../base.h"

struct dig_t dm_digtable;
static struct ps_t dm_pstable;

#define BT_RSSI_STATE_NORMAL_POWER	BIT_OFFSET_LEN_MASK_32(0, 1)
#define BT_RSSI_STATE_AMDPU_OFF		BIT_OFFSET_LEN_MASK_32(1, 1)
#define BT_RSSI_STATE_SPECIAL_LOW	BIT_OFFSET_LEN_MASK_32(2, 1)
#define BT_RSSI_STATE_BG_EDCA_LOW	BIT_OFFSET_LEN_MASK_32(3, 1)
#define BT_RSSI_STATE_TXPOWER_LOW	BIT_OFFSET_LEN_MASK_32(4, 1)

#define RTLPRIV			(struct rtl_priv *)
#define GET_UNDECORATED_AVERAGE_RSSI(_priv)	\
	((RTLPRIV(_priv))->mac80211.opmode == \
			     NL80211_IFTYPE_ADHOC) ?	\
	((RTLPRIV(_priv))->dm.entry_min_undecoratedsmoothed_pwdb) : \
	((RTLPRIV(_priv))->dm.undecorated_smoothed_pwdb)

static const u32 ofdmswing_table[OFDM_TABLE_SIZE] = {
	0x7f8001fe,
	0x788001e2,
	0x71c001c7,
	0x6b8001ae,
	0x65400195,
	0x5fc0017f,
	0x5a400169,
	0x55400155,
	0x50800142,
	0x4c000130,
	0x47c0011f,
	0x43c0010f,
	0x40000100,
	0x3c8000f2,
	0x390000e4,
	0x35c000d7,
	0x32c000cb,
	0x300000c0,
	0x2d4000b5,
	0x2ac000ab,
	0x288000a2,
	0x26000098,
	0x24000090,
	0x22000088,
	0x20000080,
	0x1e400079,
	0x1c800072,
	0x1b00006c,
	0x19800066,
	0x18000060,
	0x16c0005b,
	0x15800056,
	0x14400051,
	0x1300004c,
	0x12000048,
	0x11000044,
	0x10000040,
};

static const u8 cckswing_table_ch1ch13[CCK_TABLE_SIZE][8] = {
	{0x36, 0x35, 0x2e, 0x25, 0x1c, 0x12, 0x09, 0x04},
	{0x33, 0x32, 0x2b, 0x23, 0x1a, 0x11, 0x08, 0x04},
	{0x30, 0x2f, 0x29, 0x21, 0x19, 0x10, 0x08, 0x03},
	{0x2d, 0x2d, 0x27, 0x1f, 0x18, 0x0f, 0x08, 0x03},
	{0x2b, 0x2a, 0x25, 0x1e, 0x16, 0x0e, 0x07, 0x03},
	{0x28, 0x28, 0x22, 0x1c, 0x15, 0x0d, 0x07, 0x03},
	{0x26, 0x25, 0x21, 0x1b, 0x14, 0x0d, 0x06, 0x03},
	{0x24, 0x23, 0x1f, 0x19, 0x13, 0x0c, 0x06, 0x03},
	{0x22, 0x21, 0x1d, 0x18, 0x11, 0x0b, 0x06, 0x02},
	{0x20, 0x20, 0x1b, 0x16, 0x11, 0x08, 0x05, 0x02},
	{0x1f, 0x1e, 0x1a, 0x15, 0x10, 0x0a, 0x05, 0x02},
	{0x1d, 0x1c, 0x18, 0x14, 0x0f, 0x0a, 0x05, 0x02},
	{0x1b, 0x1a, 0x17, 0x13, 0x0e, 0x09, 0x04, 0x02},
	{0x1a, 0x19, 0x16, 0x12, 0x0d, 0x09, 0x04, 0x02},
	{0x18, 0x17, 0x15, 0x11, 0x0c, 0x08, 0x04, 0x02},
	{0x17, 0x16, 0x13, 0x10, 0x0c, 0x08, 0x04, 0x02},
	{0x16, 0x15, 0x12, 0x0f, 0x0b, 0x07, 0x04, 0x01},
	{0x14, 0x14, 0x11, 0x0e, 0x0b, 0x07, 0x03, 0x02},
	{0x13, 0x13, 0x10, 0x0d, 0x0a, 0x06, 0x03, 0x01},
	{0x12, 0x12, 0x0f, 0x0c, 0x09, 0x06, 0x03, 0x01},
	{0x11, 0x11, 0x0f, 0x0c, 0x09, 0x06, 0x03, 0x01},
	{0x10, 0x10, 0x0e, 0x0b, 0x08, 0x05, 0x03, 0x01},
	{0x0f, 0x0f, 0x0d, 0x0b, 0x08, 0x05, 0x03, 0x01},
	{0x0e, 0x0e, 0x0c, 0x0a, 0x08, 0x05, 0x02, 0x01},
	{0x0d, 0x0d, 0x0c, 0x0a, 0x07, 0x05, 0x02, 0x01},
	{0x0d, 0x0c, 0x0b, 0x09, 0x07, 0x04, 0x02, 0x01},
	{0x0c, 0x0c, 0x0a, 0x09, 0x06, 0x04, 0x02, 0x01},
	{0x0b, 0x0b, 0x0a, 0x08, 0x06, 0x04, 0x02, 0x01},
	{0x0b, 0x0a, 0x09, 0x08, 0x06, 0x04, 0x02, 0x01},
	{0x0a, 0x0a, 0x09, 0x07, 0x05, 0x03, 0x02, 0x01},
	{0x0a, 0x09, 0x08, 0x07, 0x05, 0x03, 0x02, 0x01},
	{0x09, 0x09, 0x08, 0x06, 0x05, 0x03, 0x01, 0x01},
	{0x09, 0x08, 0x07, 0x06, 0x04, 0x03, 0x01, 0x01}
};

static const u8 cckswing_table_ch14[CCK_TABLE_SIZE][8] = {
	{0x36, 0x35, 0x2e, 0x1b, 0x00, 0x00, 0x00, 0x00},
	{0x33, 0x32, 0x2b, 0x19, 0x00, 0x00, 0x00, 0x00},
	{0x30, 0x2f, 0x29, 0x18, 0x00, 0x00, 0x00, 0x00},
	{0x2d, 0x2d, 0x17, 0x17, 0x00, 0x00, 0x00, 0x00},
	{0x2b, 0x2a, 0x25, 0x15, 0x00, 0x00, 0x00, 0x00},
	{0x28, 0x28, 0x24, 0x14, 0x00, 0x00, 0x00, 0x00},
	{0x26, 0x25, 0x21, 0x13, 0x00, 0x00, 0x00, 0x00},
	{0x24, 0x23, 0x1f, 0x12, 0x00, 0x00, 0x00, 0x00},
	{0x22, 0x21, 0x1d, 0x11, 0x00, 0x00, 0x00, 0x00},
	{0x20, 0x20, 0x1b, 0x10, 0x00, 0x00, 0x00, 0x00},
	{0x1f, 0x1e, 0x1a, 0x0f, 0x00, 0x00, 0x00, 0x00},
	{0x1d, 0x1c, 0x18, 0x0e, 0x00, 0x00, 0x00, 0x00},
	{0x1b, 0x1a, 0x17, 0x0e, 0x00, 0x00, 0x00, 0x00},
	{0x1a, 0x19, 0x16, 0x0d, 0x00, 0x00, 0x00, 0x00},
	{0x18, 0x17, 0x15, 0x0c, 0x00, 0x00, 0x00, 0x00},
	{0x17, 0x16, 0x13, 0x0b, 0x00, 0x00, 0x00, 0x00},
	{0x16, 0x15, 0x12, 0x0b, 0x00, 0x00, 0x00, 0x00},
	{0x14, 0x14, 0x11, 0x0a, 0x00, 0x00, 0x00, 0x00},
	{0x13, 0x13, 0x10, 0x0a, 0x00, 0x00, 0x00, 0x00},
	{0x12, 0x12, 0x0f, 0x09, 0x00, 0x00, 0x00, 0x00},
	{0x11, 0x11, 0x0f, 0x09, 0x00, 0x00, 0x00, 0x00},
	{0x10, 0x10, 0x0e, 0x08, 0x00, 0x00, 0x00, 0x00},
	{0x0f, 0x0f, 0x0d, 0x08, 0x00, 0x00, 0x00, 0x00},
	{0x0e, 0x0e, 0x0c, 0x07, 0x00, 0x00, 0x00, 0x00},
	{0x0d, 0x0d, 0x0c, 0x07, 0x00, 0x00, 0x00, 0x00},
	{0x0d, 0x0c, 0x0b, 0x06, 0x00, 0x00, 0x00, 0x00},
	{0x0c, 0x0c, 0x0a, 0x06, 0x00, 0x00, 0x00, 0x00},
	{0x0b, 0x0b, 0x0a, 0x06, 0x00, 0x00, 0x00, 0x00},
	{0x0b, 0x0a, 0x09, 0x05, 0x00, 0x00, 0x00, 0x00},
	{0x0a, 0x0a, 0x09, 0x05, 0x00, 0x00, 0x00, 0x00},
	{0x0a, 0x09, 0x08, 0x05, 0x00, 0x00, 0x00, 0x00},
	{0x09, 0x09, 0x08, 0x05, 0x00, 0x00, 0x00, 0x00},
	{0x09, 0x08, 0x07, 0x04, 0x00, 0x00, 0x00, 0x00}
};

static void rtl92c_dm_diginit(struct ieee80211_hw *hw)
{
	dm_digtable.dig_enable_flag = true;
	dm_digtable.dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
	dm_digtable.cur_igvalue = 0x20;
	dm_digtable.pre_igvalue = 0x0;
	dm_digtable.cursta_connectctate = DIG_STA_DISCONNECT;
	dm_digtable.presta_connectstate = DIG_STA_DISCONNECT;
	dm_digtable.curmultista_connectstate = DIG_MULTISTA_DISCONNECT;
	dm_digtable.rssi_lowthresh = DM_DIG_THRESH_LOW;
	dm_digtable.rssi_highthresh = DM_DIG_THRESH_HIGH;
	dm_digtable.fa_lowthresh = DM_FALSEALARM_THRESH_LOW;
	dm_digtable.fa_highthresh = DM_FALSEALARM_THRESH_HIGH;
	dm_digtable.rx_gain_range_max = DM_DIG_MAX;
	dm_digtable.rx_gain_range_min = DM_DIG_MIN;
	dm_digtable.backoff_val = DM_DIG_BACKOFF_DEFAULT;
	dm_digtable.backoff_val_range_max = DM_DIG_BACKOFF_MAX;
	dm_digtable.backoff_val_range_min = DM_DIG_BACKOFF_MIN;
	dm_digtable.pre_cck_pd_state = CCK_PD_STAGE_MAX;
	dm_digtable.cur_cck_pd_state = CCK_PD_STAGE_MAX;
}

static u8 rtl92c_dm_initial_gain_min_pwdb(struct ieee80211_hw *hw)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	long rssi_val_min = 0;

	if ((dm_digtable.curmultista_connectstate == DIG_MULTISTA_CONNECT) &&
	    (dm_digtable.cursta_connectctate == DIG_STA_CONNECT)) {
		if (rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb != 0)
			rssi_val_min =
			    (rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb >
			     rtlpriv->dm.undecorated_smoothed_pwdb) ?
			    rtlpriv->dm.undecorated_smoothed_pwdb :
			    rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb;
		else
			rssi_val_min = rtlpriv->dm.undecorated_smoothed_pwdb;
	} else if (dm_digtable.cursta_connectctate == DIG_STA_CONNECT ||
		   dm_digtable.cursta_connectctate == DIG_STA_BEFORE_CONNECT) {
		rssi_val_min = rtlpriv->dm.undecorated_smoothed_pwdb;
	} else if (dm_digtable.curmultista_connectstate ==
		   DIG_MULTISTA_CONNECT) {
		rssi_val_min = rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb;
	}

	return (u8) rssi_val_min;
}

static void rtl92c_dm_false_alarm_counter_statistics(struct ieee80211_hw *hw)
{
	u32 ret_value;
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	struct false_alarm_statistics *falsealm_cnt = &(rtlpriv->falsealm_cnt);

	ret_value = rtl_get_bbreg(hw, ROFDM_PHYCOUNTER1, MASKDWORD);
	falsealm_cnt->cnt_parity_fail = ((ret_value & 0xffff0000) >> 16);

	ret_value = rtl_get_bbreg(hw, ROFDM_PHYCOUNTER2, MASKDWORD);
	falsealm_cnt->cnt_rate_illegal = (ret_value & 0xffff);
	falsealm_cnt->cnt_crc8_fail = ((ret_value & 0xffff0000) >> 16);

	ret_value = rtl_get_bbreg(hw, ROFDM_PHYCOUNTER3, MASKDWORD);
	falsealm_cnt->cnt_mcs_fail = (ret_value & 0xffff);
	falsealm_cnt->cnt_ofdm_fail = falsealm_cnt->cnt_parity_fail +
	    falsealm_cnt->cnt_rate_illegal +
	    falsealm_cnt->cnt_crc8_fail + falsealm_cnt->cnt_mcs_fail;

	rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT, BIT(14), 1);
	ret_value = rtl_get_bbreg(hw, RCCK0_FACOUNTERLOWER, MASKBYTE0);
	falsealm_cnt->cnt_cck_fail = ret_value;

	ret_value = rtl_get_bbreg(hw, RCCK0_FACOUNTERUPPER, MASKBYTE3);
	falsealm_cnt->cnt_cck_fail += (ret_value & 0xff) << 8;
	falsealm_cnt->cnt_all = (falsealm_cnt->cnt_parity_fail +
				 falsealm_cnt->cnt_rate_illegal +
				 falsealm_cnt->cnt_crc8_fail +
				 falsealm_cnt->cnt_mcs_fail +
				 falsealm_cnt->cnt_cck_fail);

	rtl_set_bbreg(hw, ROFDM1_LSTF, 0x08000000, 1);
	rtl_set_bbreg(hw, ROFDM1_LSTF, 0x08000000, 0);
	rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT, 0x0000c000, 0);
	rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT, 0x0000c000, 2);

	RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
		 ("cnt_parity_fail = %d, cnt_rate_illegal = %d, "
		  "cnt_crc8_fail = %d, cnt_mcs_fail = %d\n",
		  falsealm_cnt->cnt_parity_fail,
		  falsealm_cnt->cnt_rate_illegal,
		  falsealm_cnt->cnt_crc8_fail, falsealm_cnt->cnt_mcs_fail));

	RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
		 ("cnt_ofdm_fail = %x, cnt_cck_fail = %x, cnt_all = %x\n",
		  falsealm_cnt->cnt_ofdm_fail,
		  falsealm_cnt->cnt_cck_fail, falsealm_cnt->cnt_all));
}

static void rtl92c_dm_ctrl_initgain_by_fa(struct ieee80211_hw *hw)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	u8 value_igi = dm_digtable.cur_igvalue;

	if (rtlpriv->falsealm_cnt.cnt_all < DM_DIG_FA_TH0)
		value_igi--;
	else if (rtlpriv->falsealm_cnt.cnt_all < DM_DIG_FA_TH1)
		value_igi += 0;
	else if (rtlpriv->falsealm_cnt.cnt_all < DM_DIG_FA_TH2)
		value_igi++;
	else if (rtlpriv->falsealm_cnt.cnt_all >= DM_DIG_FA_TH2)
		value_igi += 2;
	if (value_igi > DM_DIG_FA_UPPER)
		value_igi = DM_DIG_FA_UPPER;
	else if (value_igi < DM_DIG_FA_LOWER)
		value_igi = DM_DIG_FA_LOWER;
	if (rtlpriv->falsealm_cnt.cnt_all > 10000)
		value_igi = 0x32;

	dm_digtable.cur_igvalue = value_igi;
	rtl92c_dm_write_dig(hw);
}

static void rtl92c_dm_ctrl_initgain_by_rssi(struct ieee80211_hw *hw)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);

	if (rtlpriv->falsealm_cnt.cnt_all > dm_digtable.fa_highthresh) {
		if ((dm_digtable.backoff_val - 2) <
		    dm_digtable.backoff_val_range_min)
			dm_digtable.backoff_val =
			    dm_digtable.backoff_val_range_min;
		else
			dm_digtable.backoff_val -= 2;
	} else if (rtlpriv->falsealm_cnt.cnt_all < dm_digtable.fa_lowthresh) {
		if ((dm_digtable.backoff_val + 2) >
		    dm_digtable.backoff_val_range_max)
			dm_digtable.backoff_val =
			    dm_digtable.backoff_val_range_max;
		else
			dm_digtable.backoff_val += 2;
	}

	if ((dm_digtable.rssi_val_min + 10 - dm_digtable.backoff_val) >
	    dm_digtable.rx_gain_range_max)
		dm_digtable.cur_igvalue = dm_digtable.rx_gain_range_max;
	else if ((dm_digtable.rssi_val_min + 10 -
		  dm_digtable.backoff_val) < dm_digtable.rx_gain_range_min)
		dm_digtable.cur_igvalue = dm_digtable.rx_gain_range_min;
	else
		dm_digtable.cur_igvalue = dm_digtable.rssi_val_min + 10 -
		    dm_digtable.backoff_val;

	RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
		 ("rssi_val_min = %x backoff_val %x\n",
		  dm_digtable.rssi_val_min, dm_digtable.backoff_val));

	rtl92c_dm_write_dig(hw);
}

static void rtl92c_dm_initial_gain_multi_sta(struct ieee80211_hw *hw)
{
	static u8 binitialized; /* initialized to false */
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
	long rssi_strength = rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb;
	bool multi_sta = false;

	if (mac->opmode == NL80211_IFTYPE_ADHOC)
		multi_sta = true;

	if ((multi_sta == false) || (dm_digtable.cursta_connectctate !=
				     DIG_STA_DISCONNECT)) {
		binitialized = false;
		dm_digtable.dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
		return;
	} else if (binitialized == false) {
		binitialized = true;
		dm_digtable.dig_ext_port_stage = DIG_EXT_PORT_STAGE_0;
		dm_digtable.cur_igvalue = 0x20;
		rtl92c_dm_write_dig(hw);
	}

	if (dm_digtable.curmultista_connectstate == DIG_MULTISTA_CONNECT) {
		if ((rssi_strength < dm_digtable.rssi_lowthresh) &&
		    (dm_digtable.dig_ext_port_stage != DIG_EXT_PORT_STAGE_1)) {

			if (dm_digtable.dig_ext_port_stage ==
			    DIG_EXT_PORT_STAGE_2) {
				dm_digtable.cur_igvalue = 0x20;
				rtl92c_dm_write_dig(hw);
			}

			dm_digtable.dig_ext_port_stage = DIG_EXT_PORT_STAGE_1;
		} else if (rssi_strength > dm_digtable.rssi_highthresh) {
			dm_digtable.dig_ext_port_stage = DIG_EXT_PORT_STAGE_2;
			rtl92c_dm_ctrl_initgain_by_fa(hw);
		}
	} else if (dm_digtable.dig_ext_port_stage != DIG_EXT_PORT_STAGE_0) {
		dm_digtable.dig_ext_port_stage = DIG_EXT_PORT_STAGE_0;
		dm_digtable.cur_igvalue = 0x20;
		rtl92c_dm_write_dig(hw);
	}

	RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
		 ("curmultista_connectstate = "
		  "%x dig_ext_port_stage %x\n",
		  dm_digtable.curmultista_connectstate,
		  dm_digtable.dig_ext_port_stage));
}

static void rtl92c_dm_initial_gain_sta(struct ieee80211_hw *hw)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);

	RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
		 ("presta_connectstate = %x,"
		  " cursta_connectctate = %x\n",
		  dm_digtable.presta_connectstate,
		  dm_digtable.cursta_connectctate));

	if (dm_digtable.presta_connectstate == dm_digtable.cursta_connectctate
	    || dm_digtable.cursta_connectctate == DIG_STA_BEFORE_CONNECT
	    || dm_digtable.cursta_connectctate == DIG_STA_CONNECT) {

		if (dm_digtable.cursta_connectctate != DIG_STA_DISCONNECT) {
			dm_digtable.rssi_val_min =
			    rtl92c_dm_initial_gain_min_pwdb(hw);
			rtl92c_dm_ctrl_initgain_by_rssi(hw);
		}
	} else {
		dm_digtable.rssi_val_min = 0;
		dm_digtable.dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
		dm_digtable.backoff_val = DM_DIG_BACKOFF_DEFAULT;
		dm_digtable.cur_igvalue = 0x20;
		dm_digtable.pre_igvalue = 0;
		rtl92c_dm_write_dig(hw);
	}
}

static void rtl92c_dm_cck_packet_detection_thresh(struct ieee80211_hw *hw)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));

	if (dm_digtable.cursta_connectctate == DIG_STA_CONNECT) {
		dm_digtable.rssi_val_min = rtl92c_dm_initial_gain_min_pwdb(hw);

		if (dm_digtable.pre_cck_pd_state == CCK_PD_STAGE_LowRssi) {
			if (dm_digtable.rssi_val_min <= 25)
				dm_digtable.cur_cck_pd_state =
				    CCK_PD_STAGE_LowRssi;
			else
				dm_digtable.cur_cck_pd_state =
				    CCK_PD_STAGE_HighRssi;
		} else {
			if (dm_digtable.rssi_val_min <= 20)
				dm_digtable.cur_cck_pd_state =
				    CCK_PD_STAGE_LowRssi;
			else
				dm_digtable.cur_cck_pd_state =
				    CCK_PD_STAGE_HighRssi;
		}
	} else {
		dm_digtable.cur_cck_pd_state = CCK_PD_STAGE_MAX;
	}

	if (dm_digtable.pre_cck_pd_state != dm_digtable.cur_cck_pd_state) {
		if (dm_digtable.cur_cck_pd_state == CCK_PD_STAGE_LowRssi) {
			if (rtlpriv->falsealm_cnt.cnt_cck_fail > 800)
				dm_digtable.cur_cck_fa_state =
				    CCK_FA_STAGE_High;
			else
				dm_digtable.cur_cck_fa_state = CCK_FA_STAGE_Low;

			if (dm_digtable.pre_cck_fa_state !=
			    dm_digtable.cur_cck_fa_state) {
				if (dm_digtable.cur_cck_fa_state ==
				    CCK_FA_STAGE_Low)
					rtl_set_bbreg(hw, RCCK0_CCA, MASKBYTE2,
						      0x83);
				else
					rtl_set_bbreg(hw, RCCK0_CCA, MASKBYTE2,
						      0xcd);

				dm_digtable.pre_cck_fa_state =
				    dm_digtable.cur_cck_fa_state;
			}

			rtl_set_bbreg(hw, RCCK0_SYSTEM, MASKBYTE1, 0x40);

			if (IS_92C_SERIAL(rtlhal->version))
				rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT,
					      MASKBYTE2, 0xd7);
		} else {
			rtl_set_bbreg(hw, RCCK0_CCA, MASKBYTE2, 0xcd);
			rtl_set_bbreg(hw, RCCK0_SYSTEM, MASKBYTE1, 0x47);

			if (IS_92C_SERIAL(rtlhal->version))
				rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT,
					      MASKBYTE2, 0xd3);
		}
		dm_digtable.pre_cck_pd_state = dm_digtable.cur_cck_pd_state;
	}

	RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
		 ("CCKPDStage=%x\n", dm_digtable.cur_cck_pd_state));

	RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
		 ("is92C=%x\n", IS_92C_SERIAL(rtlhal->version)));
}

static void rtl92c_dm_ctrl_initgain_by_twoport(struct ieee80211_hw *hw)
{
	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));

	if (mac->act_scanning == true)
		return;

	if (mac->link_state >= MAC80211_LINKED)
		dm_digtable.cursta_connectctate = DIG_STA_CONNECT;
	else
		dm_digtable.cursta_connectctate = DIG_STA_DISCONNECT;

	rtl92c_dm_initial_gain_sta(hw);
	rtl92c_dm_initial_gain_multi_sta(hw);
	rtl92c_dm_cck_packet_detection_thresh(hw);

	dm_digtable.presta_connectstate = dm_digtable.cursta_connectctate;

}

static void rtl92c_dm_dig(struct ieee80211_hw *hw)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);

	if (rtlpriv->dm.dm_initialgain_enable == false)
		return;
	if (dm_digtable.dig_enable_flag == false)
		return;

	rtl92c_dm_ctrl_initgain_by_twoport(hw);

}

static void rtl92c_dm_init_dynamic_txpower(struct ieee80211_hw *hw)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);

	rtlpriv->dm.dynamic_txpower_enable = false;

	rtlpriv->dm.last_dtp_lvl = TXHIGHPWRLEVEL_NORMAL;
	rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
}

void rtl92c_dm_write_dig(struct ieee80211_hw *hw)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);

	RT_TRACE(rtlpriv, COMP_DIG, DBG_LOUD,
		 ("cur_igvalue = 0x%x, "
		  "pre_igvalue = 0x%x, backoff_val = %d\n",
		  dm_digtable.cur_igvalue, dm_digtable.pre_igvalue,
		  dm_digtable.backoff_val));

	if (dm_digtable.pre_igvalue != dm_digtable.cur_igvalue) {
		rtl_set_bbreg(hw, ROFDM0_XAAGCCORE1, 0x7f,
			      dm_digtable.cur_igvalue);
		rtl_set_bbreg(hw, ROFDM0_XBAGCCORE1, 0x7f,
			      dm_digtable.cur_igvalue);

		dm_digtable.pre_igvalue = dm_digtable.cur_igvalue;
	}
}
EXPORT_SYMBOL(rtl92c_dm_write_dig);

static void rtl92c_dm_pwdb_monitor(struct ieee80211_hw *hw)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	long tmpentry_max_pwdb = 0, tmpentry_min_pwdb = 0xff;

	u8 h2c_parameter[3] = { 0 };

	return;

	if (tmpentry_max_pwdb != 0) {
		rtlpriv->dm.entry_max_undecoratedsmoothed_pwdb =
		    tmpentry_max_pwdb;
	} else {
		rtlpriv->dm.entry_max_undecoratedsmoothed_pwdb = 0;
	}

	if (tmpentry_min_pwdb != 0xff) {
		rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb =
		    tmpentry_min_pwdb;
	} else {
		rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb = 0;
	}

	h2c_parameter[2] = (u8) (rtlpriv->dm.undecorated_smoothed_pwdb & 0xFF);
	h2c_parameter[0] = 0;

	rtl92c_fill_h2c_cmd(hw, H2C_RSSI_REPORT, 3, h2c_parameter);
}

void rtl92c_dm_init_edca_turbo(struct ieee80211_hw *hw)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	rtlpriv->dm.current_turbo_edca = false;
	rtlpriv->dm.is_any_nonbepkts = false;
	rtlpriv->dm.is_cur_rdlstate = false;
}
EXPORT_SYMBOL(rtl92c_dm_init_edca_turbo);

static void rtl92c_dm_check_edca_turbo(struct ieee80211_hw *hw)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));

	static u64 last_txok_cnt;
	static u64 last_rxok_cnt;
	static u32 last_bt_edca_ul;
	static u32 last_bt_edca_dl;
	u64 cur_txok_cnt = 0;
	u64 cur_rxok_cnt = 0;
	u32 edca_be_ul = 0x5ea42b;
	u32 edca_be_dl = 0x5ea42b;
	bool bt_change_edca = false;

	if ((last_bt_edca_ul != rtlpcipriv->bt_coexist.bt_edca_ul) ||
	    (last_bt_edca_dl != rtlpcipriv->bt_coexist.bt_edca_dl)) {
		rtlpriv->dm.current_turbo_edca = false;
		last_bt_edca_ul = rtlpcipriv->bt_coexist.bt_edca_ul;
		last_bt_edca_dl = rtlpcipriv->bt_coexist.bt_edca_dl;
	}

	if (rtlpcipriv->bt_coexist.bt_edca_ul != 0) {
		edca_be_ul = rtlpcipriv->bt_coexist.bt_edca_ul;
		bt_change_edca = true;
	}

	if (rtlpcipriv->bt_coexist.bt_edca_dl != 0) {
		edca_be_ul = rtlpcipriv->bt_coexist.bt_edca_dl;
		bt_change_edca = true;
	}

	if (mac->link_state != MAC80211_LINKED) {
		rtlpriv->dm.current_turbo_edca = false;
		return;
	}

	if ((!mac->ht_enable) && (!rtlpcipriv->bt_coexist.bt_coexistence)) {
		if (!(edca_be_ul & 0xffff0000))
			edca_be_ul |= 0x005e0000;

		if (!(edca_be_dl & 0xffff0000))
			edca_be_dl |= 0x005e0000;
	}

	if ((bt_change_edca) || ((!rtlpriv->dm.is_any_nonbepkts) &&
	     (!rtlpriv->dm.disable_framebursting))) {

		cur_txok_cnt = rtlpriv->stats.txbytesunicast - last_txok_cnt;
		cur_rxok_cnt = rtlpriv->stats.rxbytesunicast - last_rxok_cnt;

		if (cur_rxok_cnt > 4 * cur_txok_cnt) {
			if (!rtlpriv->dm.is_cur_rdlstate ||
			    !rtlpriv->dm.current_turbo_edca) {
				rtl_write_dword(rtlpriv,
						REG_EDCA_BE_PARAM,
						edca_be_dl);
				rtlpriv->dm.is_cur_rdlstate = true;
			}
		} else {
			if (rtlpriv->dm.is_cur_rdlstate ||
			    !rtlpriv->dm.current_turbo_edca) {
				rtl_write_dword(rtlpriv,
						REG_EDCA_BE_PARAM,
						edca_be_ul);
				rtlpriv->dm.is_cur_rdlstate = false;
			}
		}
		rtlpriv->dm.current_turbo_edca = true;
	} else {
		if (rtlpriv->dm.current_turbo_edca) {
			u8 tmp = AC0_BE;
			rtlpriv->cfg->ops->set_hw_reg(hw,
						      HW_VAR_AC_PARAM,
						      (u8 *) (&tmp));
			rtlpriv->dm.current_turbo_edca = false;
		}
	}

	rtlpriv->dm.is_any_nonbepkts = false;
	last_txok_cnt = rtlpriv->stats.txbytesunicast;
	last_rxok_cnt = rtlpriv->stats.rxbytesunicast;
}

static void rtl92c_dm_txpower_tracking_callback_thermalmeter(struct ieee80211_hw
							     *hw)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
	struct rtl_phy *rtlphy = &(rtlpriv->phy);
	struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
	u8 thermalvalue, delta, delta_lck, delta_iqk;
	long ele_a, ele_d, temp_cck, val_x, value32;
	long val_y, ele_c = 0;
	u8 ofdm_index[2], cck_index = 0, ofdm_index_old[2], cck_index_old = 0;
	int i;
	bool is2t = IS_92C_SERIAL(rtlhal->version);
	u8 txpwr_level[2] = {0, 0};
	u8 ofdm_min_index = 6, rf;

	rtlpriv->dm.txpower_trackinginit = true;
	RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
		 ("rtl92c_dm_txpower_tracking_callback_thermalmeter\n"));

	thermalvalue = (u8) rtl_get_rfreg(hw, RF90_PATH_A, RF_T_METER, 0x1f);

	RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
		 ("Readback Thermal Meter = 0x%x pre thermal meter 0x%x "
		  "eeprom_thermalmeter 0x%x\n",
		  thermalvalue, rtlpriv->dm.thermalvalue,
		  rtlefuse->eeprom_thermalmeter));

	rtl92c_phy_ap_calibrate(hw, (thermalvalue -
				     rtlefuse->eeprom_thermalmeter));
	if (is2t)
		rf = 2;
	else
		rf = 1;

	if (thermalvalue) {
		ele_d = rtl_get_bbreg(hw, ROFDM0_XATXIQIMBALANCE,
				      MASKDWORD) & MASKOFDM_D;

		for (i = 0; i < OFDM_TABLE_LENGTH; i++) {
			if (ele_d == (ofdmswing_table[i] & MASKOFDM_D)) {
				ofdm_index_old[0] = (u8) i;

				RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
					("Initial pathA ele_d reg0x%x = 0x%lx, "
					 "ofdm_index=0x%x\n",
					 ROFDM0_XATXIQIMBALANCE,
					 ele_d, ofdm_index_old[0]));
				break;
			}
		}

		if (is2t) {
			ele_d = rtl_get_bbreg(hw, ROFDM0_XBTXIQIMBALANCE,
					      MASKDWORD) & MASKOFDM_D;

			for (i = 0; i < OFDM_TABLE_LENGTH; i++) {
				if (ele_d == (ofdmswing_table[i] &
				    MASKOFDM_D)) {

					RT_TRACE(rtlpriv, COMP_POWER_TRACKING,
					   DBG_LOUD,
					   ("Initial pathB ele_d reg0x%x = "
					   "0x%lx, ofdm_index=0x%x\n",
					   ROFDM0_XBTXIQIMBALANCE, ele_d,
					   ofdm_index_old[1]));
					break;
				}
			}
		}

		temp_cck =
		    rtl_get_bbreg(hw, RCCK0_TXFILTER2, MASKDWORD) & MASKCCK;

		for (i = 0; i < CCK_TABLE_LENGTH; i++) {
			if (rtlpriv->dm.cck_inch14) {
				if (memcmp((void *)&temp_cck,
					   (void *)&cckswing_table_ch14[i][2],
					   4) == 0) {
					cck_index_old = (u8) i;

					RT_TRACE(rtlpriv, COMP_POWER_TRACKING,
						 DBG_LOUD,
						 ("Initial reg0x%x = 0x%lx, "
						  "cck_index=0x%x, ch 14 %d\n",
						  RCCK0_TXFILTER2, temp_cck,
						  cck_index_old,
						  rtlpriv->dm.cck_inch14));
					break;
				}
			} else {
				if (memcmp((void *)&temp_cck,
					   (void *)
					   &cckswing_table_ch1ch13[i][2],
					   4) == 0) {
					cck_index_old = (u8) i;

					RT_TRACE(rtlpriv, COMP_POWER_TRACKING,
						 DBG_LOUD,
						 ("Initial reg0x%x = 0x%lx, "
						  "cck_index=0x%x, ch14 %d\n",
						  RCCK0_TXFILTER2, temp_cck,
						  cck_index_old,
						  rtlpriv->dm.cck_inch14));
					break;
				}
			}
		}

		if (!rtlpriv->dm.thermalvalue) {
			rtlpriv->dm.thermalvalue =
			    rtlefuse->eeprom_thermalmeter;
			rtlpriv->dm.thermalvalue_lck = thermalvalue;
			rtlpriv->dm.thermalvalue_iqk = thermalvalue;
			for (i = 0; i < rf; i++)
				rtlpriv->dm.ofdm_index[i] = ofdm_index_old[i];
			rtlpriv->dm.cck_index = cck_index_old;
		}

		delta = (thermalvalue > rtlpriv->dm.thermalvalue) ?
		    (thermalvalue - rtlpriv->dm.thermalvalue) :
		    (rtlpriv->dm.thermalvalue - thermalvalue);

		delta_lck = (thermalvalue > rtlpriv->dm.thermalvalue_lck) ?
		    (thermalvalue - rtlpriv->dm.thermalvalue_lck) :
		    (rtlpriv->dm.thermalvalue_lck - thermalvalue);

		delta_iqk = (thermalvalue > rtlpriv->dm.thermalvalue_iqk) ?
		    (thermalvalue - rtlpriv->dm.thermalvalue_iqk) :
		    (rtlpriv->dm.thermalvalue_iqk - thermalvalue);

		RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
			("Readback Thermal Meter = 0x%x pre thermal meter 0x%x "
			 "eeprom_thermalmeter 0x%x delta 0x%x "
			 "delta_lck 0x%x delta_iqk 0x%x\n",
			 thermalvalue, rtlpriv->dm.thermalvalue,
			 rtlefuse->eeprom_thermalmeter, delta, delta_lck,
			 delta_iqk));

		if (delta_lck > 1) {
			rtlpriv->dm.thermalvalue_lck = thermalvalue;
			rtl92c_phy_lc_calibrate(hw);
		}

		if (delta > 0 && rtlpriv->dm.txpower_track_control) {
			if (thermalvalue > rtlpriv->dm.thermalvalue) {
				for (i = 0; i < rf; i++)
					rtlpriv->dm.ofdm_index[i] -= delta;
				rtlpriv->dm.cck_index -= delta;
			} else {
				for (i = 0; i < rf; i++)
					rtlpriv->dm.ofdm_index[i] += delta;
				rtlpriv->dm.cck_index += delta;
			}

			if (is2t) {
				RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
					 ("temp OFDM_A_index=0x%x, "
					  "OFDM_B_index=0x%x,"
					  "cck_index=0x%x\n",
					  rtlpriv->dm.ofdm_index[0],
					  rtlpriv->dm.ofdm_index[1],
					  rtlpriv->dm.cck_index));
			} else {
				RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
					 ("temp OFDM_A_index=0x%x,"
					  "cck_index=0x%x\n",
					  rtlpriv->dm.ofdm_index[0],
					  rtlpriv->dm.cck_index));
			}

			if (thermalvalue > rtlefuse->eeprom_thermalmeter) {
				for (i = 0; i < rf; i++)
					ofdm_index[i] =
					    rtlpriv->dm.ofdm_index[i]
					    + 1;
				cck_index = rtlpriv->dm.cck_index + 1;
			} else {
				for (i = 0; i < rf; i++)
					ofdm_index[i] =
					    rtlpriv->dm.ofdm_index[i];
				cck_index = rtlpriv->dm.cck_index;
			}

			for (i = 0; i < rf; i++) {
				if (txpwr_level[i] >= 0 &&
				    txpwr_level[i] <= 26) {
					if (thermalvalue >
					    rtlefuse->eeprom_thermalmeter) {
						if (delta < 5)
							ofdm_index[i] -= 1;

						else
							ofdm_index[i] -= 2;
					} else if (delta > 5 && thermalvalue <
						   rtlefuse->
						   eeprom_thermalmeter) {
						ofdm_index[i] += 1;
					}
				} else if (txpwr_level[i] >= 27 &&
					   txpwr_level[i] <= 32
					   && thermalvalue >
					   rtlefuse->eeprom_thermalmeter) {
					if (delta < 5)
						ofdm_index[i] -= 1;

					else
						ofdm_index[i] -= 2;
				} else if (txpwr_level[i] >= 32 &&
					   txpwr_level[i] <= 38 &&
					   thermalvalue >
					   rtlefuse->eeprom_thermalmeter
					   && delta > 5) {
					ofdm_index[i] -= 1;
				}
			}

			if (txpwr_level[i] >= 0 && txpwr_level[i] <= 26) {
				if (thermalvalue >
				    rtlefuse->eeprom_thermalmeter) {
					if (delta < 5)
						cck_index -= 1;

					else
						cck_index -= 2;
				} else if (delta > 5 && thermalvalue <
					   rtlefuse->eeprom_thermalmeter) {
					cck_index += 1;
				}
			} else if (txpwr_level[i] >= 27 &&
				   txpwr_level[i] <= 32 &&
				   thermalvalue >
				   rtlefuse->eeprom_thermalmeter) {
				if (delta < 5)
					cck_index -= 1;

				else
					cck_index -= 2;
			} else if (txpwr_level[i] >= 32 &&
				   txpwr_level[i] <= 38 &&
				   thermalvalue > rtlefuse->eeprom_thermalmeter
				   && delta > 5) {
				cck_index -= 1;
			}

			for (i = 0; i < rf; i++) {
				if (ofdm_index[i] > OFDM_TABLE_SIZE - 1)
					ofdm_index[i] = OFDM_TABLE_SIZE - 1;

				else if (ofdm_index[i] < ofdm_min_index)
					ofdm_index[i] = ofdm_min_index;
			}

			if (cck_index > CCK_TABLE_SIZE - 1)
				cck_index = CCK_TABLE_SIZE - 1;
			else if (cck_index < 0)
				cck_index = 0;

			if (is2t) {
				RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
					 ("new OFDM_A_index=0x%x, "
					  "OFDM_B_index=0x%x,"
					  "cck_index=0x%x\n",
					  ofdm_index[0], ofdm_index[1],
					  cck_index));
			} else {
				RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
					 ("new OFDM_A_index=0x%x,"
					  "cck_index=0x%x\n",
					  ofdm_index[0], cck_index));
			}
		}

		if (rtlpriv->dm.txpower_track_control && delta != 0) {
			ele_d =
			    (ofdmswing_table[ofdm_index[0]] & 0xFFC00000) >> 22;
			val_x = rtlphy->reg_e94;
			val_y = rtlphy->reg_e9c;

			if (val_x != 0) {
				if ((val_x & 0x00000200) != 0)
					val_x = val_x | 0xFFFFFC00;
				ele_a = ((val_x * ele_d) >> 8) & 0x000003FF;

				if ((val_y & 0x00000200) != 0)
					val_y = val_y | 0xFFFFFC00;
				ele_c = ((val_y * ele_d) >> 8) & 0x000003FF;

				value32 = (ele_d << 22) |
				    ((ele_c & 0x3F) << 16) | ele_a;

				rtl_set_bbreg(hw, ROFDM0_XATXIQIMBALANCE,
					      MASKDWORD, value32);

				value32 = (ele_c & 0x000003C0) >> 6;
				rtl_set_bbreg(hw, ROFDM0_XCTXAFE, MASKH4BITS,
					      value32);

				value32 = ((val_x * ele_d) >> 7) & 0x01;
				rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
					      BIT(31), value32);

				value32 = ((val_y * ele_d) >> 7) & 0x01;
				rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
					      BIT(29), value32);
			} else {
				rtl_set_bbreg(hw, ROFDM0_XATXIQIMBALANCE,
					      MASKDWORD,
					      ofdmswing_table[ofdm_index[0]]);

				rtl_set_bbreg(hw, ROFDM0_XCTXAFE, MASKH4BITS,
					      0x00);
				rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
					      BIT(31) | BIT(29), 0x00);
			}

			if (!rtlpriv->dm.cck_inch14) {
				rtl_write_byte(rtlpriv, 0xa22,
					       cckswing_table_ch1ch13[cck_index]
					       [0]);
				rtl_write_byte(rtlpriv, 0xa23,
					       cckswing_table_ch1ch13[cck_index]
					       [1]);
				rtl_write_byte(rtlpriv, 0xa24,
					       cckswing_table_ch1ch13[cck_index]
					       [2]);
				rtl_write_byte(rtlpriv, 0xa25,
					       cckswing_table_ch1ch13[cck_index]
					       [3]);
				rtl_write_byte(rtlpriv, 0xa26,
					       cckswing_table_ch1ch13[cck_index]
					       [4]);
				rtl_write_byte(rtlpriv, 0xa27,
					       cckswing_table_ch1ch13[cck_index]
					       [5]);
				rtl_write_byte(rtlpriv, 0xa28,
					       cckswing_table_ch1ch13[cck_index]
					       [6]);
				rtl_write_byte(rtlpriv, 0xa29,
					       cckswing_table_ch1ch13[cck_index]
					       [7]);
			} else {
				rtl_write_byte(rtlpriv, 0xa22,
					       cckswing_table_ch14[cck_index]
					       [0]);
				rtl_write_byte(rtlpriv, 0xa23,
					       cckswing_table_ch14[cck_index]
					       [1]);
				rtl_write_byte(rtlpriv, 0xa24,
					       cckswing_table_ch14[cck_index]
					       [2]);
				rtl_write_byte(rtlpriv, 0xa25,
					       cckswing_table_ch14[cck_index]
					       [3]);
				rtl_write_byte(rtlpriv, 0xa26,
					       cckswing_table_ch14[cck_index]
					       [4]);
				rtl_write_byte(rtlpriv, 0xa27,
					       cckswing_table_ch14[cck_index]
					       [5]);
				rtl_write_byte(rtlpriv, 0xa28,
					       cckswing_table_ch14[cck_index]
					       [6]);
				rtl_write_byte(rtlpriv, 0xa29,
					       cckswing_table_ch14[cck_index]
					       [7]);
			}

			if (is2t) {
				ele_d = (ofdmswing_table[ofdm_index[1]] &
					 0xFFC00000) >> 22;

				val_x = rtlphy->reg_eb4;
				val_y = rtlphy->reg_ebc;

				if (val_x != 0) {
					if ((val_x & 0x00000200) != 0)
						val_x = val_x | 0xFFFFFC00;
					ele_a = ((val_x * ele_d) >> 8) &
					    0x000003FF;

					if ((val_y & 0x00000200) != 0)
						val_y = val_y | 0xFFFFFC00;
					ele_c = ((val_y * ele_d) >> 8) &
					    0x00003FF;

					value32 = (ele_d << 22) |
					    ((ele_c & 0x3F) << 16) | ele_a;
					rtl_set_bbreg(hw,
						      ROFDM0_XBTXIQIMBALANCE,
						      MASKDWORD, value32);

					value32 = (ele_c & 0x000003C0) >> 6;
					rtl_set_bbreg(hw, ROFDM0_XDTXAFE,
						      MASKH4BITS, value32);

					value32 = ((val_x * ele_d) >> 7) & 0x01;
					rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
						      BIT(27), value32);

					value32 = ((val_y * ele_d) >> 7) & 0x01;
					rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
						      BIT(25), value32);
				} else {
					rtl_set_bbreg(hw,
						      ROFDM0_XBTXIQIMBALANCE,
						      MASKDWORD,
						      ofdmswing_table[ofdm_index
								      [1]]);
					rtl_set_bbreg(hw, ROFDM0_XDTXAFE,
						      MASKH4BITS, 0x00);
					rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
						      BIT(27) | BIT(25), 0x00);
				}

			}
		}

		if (delta_iqk > 3) {
			rtlpriv->dm.thermalvalue_iqk = thermalvalue;
			rtl92c_phy_iq_calibrate(hw, false);
		}

		if (rtlpriv->dm.txpower_track_control)
			rtlpriv->dm.thermalvalue = thermalvalue;
	}

	RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, ("<===\n"));

}

static void rtl92c_dm_initialize_txpower_tracking_thermalmeter(
						struct ieee80211_hw *hw)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);

	rtlpriv->dm.txpower_tracking = true;
	rtlpriv->dm.txpower_trackinginit = false;

	RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
		 ("pMgntInfo->txpower_tracking = %d\n",
		  rtlpriv->dm.txpower_tracking));
}

static void rtl92c_dm_initialize_txpower_tracking(struct ieee80211_hw *hw)
{
	rtl92c_dm_initialize_txpower_tracking_thermalmeter(hw);
}

static void rtl92c_dm_txpower_tracking_directcall(struct ieee80211_hw *hw)
{
	rtl92c_dm_txpower_tracking_callback_thermalmeter(hw);
}

static void rtl92c_dm_check_txpower_tracking_thermal_meter(
						struct ieee80211_hw *hw)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	static u8 tm_trigger;

	if (!rtlpriv->dm.txpower_tracking)
		return;

	if (!tm_trigger) {
		rtl_set_rfreg(hw, RF90_PATH_A, RF_T_METER, RFREG_OFFSET_MASK,
			      0x60);
		RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
			 ("Trigger 92S Thermal Meter!!\n"));
		tm_trigger = 1;
		return;
	} else {
		RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
			 ("Schedule TxPowerTracking direct call!!\n"));
		rtl92c_dm_txpower_tracking_directcall(hw);
		tm_trigger = 0;
	}
}

void rtl92c_dm_check_txpower_tracking(struct ieee80211_hw *hw)
{
	rtl92c_dm_check_txpower_tracking_thermal_meter(hw);
}
EXPORT_SYMBOL(rtl92c_dm_check_txpower_tracking);

void rtl92c_dm_init_rate_adaptive_mask(struct ieee80211_hw *hw)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	struct rate_adaptive *p_ra = &(rtlpriv->ra);

	p_ra->ratr_state = DM_RATR_STA_INIT;
	p_ra->pre_ratr_state = DM_RATR_STA_INIT;

	if (rtlpriv->dm.dm_type == DM_TYPE_BYDRIVER)
		rtlpriv->dm.useramask = true;
	else
		rtlpriv->dm.useramask = false;

}
EXPORT_SYMBOL(rtl92c_dm_init_rate_adaptive_mask);

static void rtl92c_dm_refresh_rate_adaptive_mask(struct ieee80211_hw *hw)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
	struct rate_adaptive *p_ra = &(rtlpriv->ra);
	u32 low_rssithresh_for_ra, high_rssithresh_for_ra;
	struct ieee80211_sta *sta = NULL;

	if (is_hal_stop(rtlhal)) {
		RT_TRACE(rtlpriv, COMP_RATE, DBG_LOUD,
			 ("<---- driver is going to unload\n"));
		return;
	}

	if (!rtlpriv->dm.useramask) {
		RT_TRACE(rtlpriv, COMP_RATE, DBG_LOUD,
			("<---- driver does not control rate adaptive mask\n"));
		return;
	}

	if (mac->link_state == MAC80211_LINKED &&
	    mac->opmode == NL80211_IFTYPE_STATION) {
		switch (p_ra->pre_ratr_state) {
		case DM_RATR_STA_HIGH:
			high_rssithresh_for_ra = 50;
			low_rssithresh_for_ra = 20;
			break;
		case DM_RATR_STA_MIDDLE:
			high_rssithresh_for_ra = 55;
			low_rssithresh_for_ra = 20;
			break;
		case DM_RATR_STA_LOW:
			high_rssithresh_for_ra = 50;
			low_rssithresh_for_ra = 25;
			break;
		default:
			high_rssithresh_for_ra = 50;
			low_rssithresh_for_ra = 20;
			break;
		}

		if (rtlpriv->dm.undecorated_smoothed_pwdb >
		    (long)high_rssithresh_for_ra)
			p_ra->ratr_state = DM_RATR_STA_HIGH;
		else if (rtlpriv->dm.undecorated_smoothed_pwdb >
			 (long)low_rssithresh_for_ra)
			p_ra->ratr_state = DM_RATR_STA_MIDDLE;
		else
			p_ra->ratr_state = DM_RATR_STA_LOW;

		if (p_ra->pre_ratr_state != p_ra->ratr_state) {
			RT_TRACE(rtlpriv, COMP_RATE, DBG_LOUD,
				 ("RSSI = %ld\n",
				  rtlpriv->dm.undecorated_smoothed_pwdb));
			RT_TRACE(rtlpriv, COMP_RATE, DBG_LOUD,
				 ("RSSI_LEVEL = %d\n", p_ra->ratr_state));
			RT_TRACE(rtlpriv, COMP_RATE, DBG_LOUD,
				 ("PreState = %d, CurState = %d\n",
				  p_ra->pre_ratr_state, p_ra->ratr_state));

			rcu_read_lock();
			sta = ieee80211_find_sta(mac->vif, mac->bssid);
			rtlpriv->cfg->ops->update_rate_tbl(hw, sta,
					p_ra->ratr_state);

			p_ra->pre_ratr_state = p_ra->ratr_state;
			rcu_read_unlock();
		}
	}
}

static void rtl92c_dm_init_dynamic_bb_powersaving(struct ieee80211_hw *hw)
{
	dm_pstable.pre_ccastate = CCA_MAX;
	dm_pstable.cur_ccasate = CCA_MAX;
	dm_pstable.pre_rfstate = RF_MAX;
	dm_pstable.cur_rfstate = RF_MAX;
	dm_pstable.rssi_val_min = 0;
}

void rtl92c_dm_1r_cca(struct ieee80211_hw *hw)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	struct rtl_phy *rtlphy = &(rtlpriv->phy);

	if (dm_pstable.rssi_val_min != 0) {
		if (dm_pstable.pre_ccastate == CCA_2R) {
			if (dm_pstable.rssi_val_min >= 35)
				dm_pstable.cur_ccasate = CCA_1R;
			else
				dm_pstable.cur_ccasate = CCA_2R;
		} else {
			if (dm_pstable.rssi_val_min <= 30)
				dm_pstable.cur_ccasate = CCA_2R;
			else
				dm_pstable.cur_ccasate = CCA_1R;
		}
	} else {
		dm_pstable.cur_ccasate = CCA_MAX;
	}

	if (dm_pstable.pre_ccastate != dm_pstable.cur_ccasate) {
		if (dm_pstable.cur_ccasate == CCA_1R) {
			if (get_rf_type(rtlphy) == RF_2T2R) {
				rtl_set_bbreg(hw, ROFDM0_TRXPATHENABLE,
					      MASKBYTE0, 0x13);
				rtl_set_bbreg(hw, 0xe70, MASKBYTE3, 0x20);
			} else {
				rtl_set_bbreg(hw, ROFDM0_TRXPATHENABLE,
					      MASKBYTE0, 0x23);
				rtl_set_bbreg(hw, 0xe70, 0x7fc00000, 0x10c);
			}
		} else {
			rtl_set_bbreg(hw, ROFDM0_TRXPATHENABLE, MASKBYTE0,
				      0x33);
			rtl_set_bbreg(hw, 0xe70, MASKBYTE3, 0x63);
		}
		dm_pstable.pre_ccastate = dm_pstable.cur_ccasate;
	}

	RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD, ("CCAStage = %s\n",
					       (dm_pstable.cur_ccasate ==
						0) ? "1RCCA" : "2RCCA"));
}

void rtl92c_dm_rf_saving(struct ieee80211_hw *hw, u8 bforce_in_normal)
{
	static u8 initialize;
	static u32 reg_874, reg_c70, reg_85c, reg_a74;

	if (initialize == 0) {
		reg_874 = (rtl_get_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
					 MASKDWORD) & 0x1CC000) >> 14;

		reg_c70 = (rtl_get_bbreg(hw, ROFDM0_AGCPARAMETER1,
					 MASKDWORD) & BIT(3)) >> 3;

		reg_85c = (rtl_get_bbreg(hw, RFPGA0_XCD_SWITCHCONTROL,
					 MASKDWORD) & 0xFF000000) >> 24;

		reg_a74 = (rtl_get_bbreg(hw, 0xa74, MASKDWORD) & 0xF000) >> 12;

		initialize = 1;
	}

	if (!bforce_in_normal) {
		if (dm_pstable.rssi_val_min != 0) {
			if (dm_pstable.pre_rfstate == RF_NORMAL) {
				if (dm_pstable.rssi_val_min >= 30)
					dm_pstable.cur_rfstate = RF_SAVE;
				else
					dm_pstable.cur_rfstate = RF_NORMAL;
			} else {
				if (dm_pstable.rssi_val_min <= 25)
					dm_pstable.cur_rfstate = RF_NORMAL;
				else
					dm_pstable.cur_rfstate = RF_SAVE;
			}
		} else {
			dm_pstable.cur_rfstate = RF_MAX;
		}
	} else {
		dm_pstable.cur_rfstate = RF_NORMAL;
	}

	if (dm_pstable.pre_rfstate != dm_pstable.cur_rfstate) {
		if (dm_pstable.cur_rfstate == RF_SAVE) {
			rtl_set_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
				      0x1C0000, 0x2);
			rtl_set_bbreg(hw, ROFDM0_AGCPARAMETER1, BIT(3), 0);
			rtl_set_bbreg(hw, RFPGA0_XCD_SWITCHCONTROL,
				      0xFF000000, 0x63);
			rtl_set_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
				      0xC000, 0x2);
			rtl_set_bbreg(hw, 0xa74, 0xF000, 0x3);
			rtl_set_bbreg(hw, 0x818, BIT(28), 0x0);
			rtl_set_bbreg(hw, 0x818, BIT(28), 0x1);
		} else {
			rtl_set_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
				      0x1CC000, reg_874);
			rtl_set_bbreg(hw, ROFDM0_AGCPARAMETER1, BIT(3),
				      reg_c70);
			rtl_set_bbreg(hw, RFPGA0_XCD_SWITCHCONTROL, 0xFF000000,
				      reg_85c);
			rtl_set_bbreg(hw, 0xa74, 0xF000, reg_a74);
			rtl_set_bbreg(hw, 0x818, BIT(28), 0x0);
		}

		dm_pstable.pre_rfstate = dm_pstable.cur_rfstate;
	}
}
EXPORT_SYMBOL(rtl92c_dm_rf_saving);

static void rtl92c_dm_dynamic_bb_powersaving(struct ieee80211_hw *hw)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
	struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));

	if (((mac->link_state == MAC80211_NOLINK)) &&
	    (rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb == 0)) {
		dm_pstable.rssi_val_min = 0;
		RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD,
			 ("Not connected to any\n"));
	}

	if (mac->link_state == MAC80211_LINKED) {
		if (mac->opmode == NL80211_IFTYPE_ADHOC) {
			dm_pstable.rssi_val_min =
			    rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb;
			RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD,
				 ("AP Client PWDB = 0x%lx\n",
				  dm_pstable.rssi_val_min));
		} else {
			dm_pstable.rssi_val_min =
			    rtlpriv->dm.undecorated_smoothed_pwdb;
			RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD,
				 ("STA Default Port PWDB = 0x%lx\n",
				  dm_pstable.rssi_val_min));
		}
	} else {
		dm_pstable.rssi_val_min =
		    rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb;

		RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD,
			 ("AP Ext Port PWDB = 0x%lx\n",
			  dm_pstable.rssi_val_min));
	}

	if (IS_92C_SERIAL(rtlhal->version))
		;/* rtl92c_dm_1r_cca(hw); */
	else
		rtl92c_dm_rf_saving(hw, false);
}

void rtl92c_dm_init(struct ieee80211_hw *hw)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);

	rtlpriv->dm.dm_type = DM_TYPE_BYDRIVER;
	rtl92c_dm_diginit(hw);
	rtl92c_dm_init_dynamic_txpower(hw);
	rtl92c_dm_init_edca_turbo(hw);
	rtl92c_dm_init_rate_adaptive_mask(hw);
	rtl92c_dm_initialize_txpower_tracking(hw);
	rtl92c_dm_init_dynamic_bb_powersaving(hw);
}
EXPORT_SYMBOL(rtl92c_dm_init);

void rtl92c_dm_dynamic_txpower(struct ieee80211_hw *hw)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	struct rtl_phy *rtlphy = &(rtlpriv->phy);
	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
	long undecorated_smoothed_pwdb;

	if (!rtlpriv->dm.dynamic_txpower_enable)
		return;

	if (rtlpriv->dm.dm_flag & HAL_DM_HIPWR_DISABLE) {
		rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
		return;
	}

	if ((mac->link_state < MAC80211_LINKED) &&
	    (rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb == 0)) {
		RT_TRACE(rtlpriv, COMP_POWER, DBG_TRACE,
			 ("Not connected to any\n"));

		rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;

		rtlpriv->dm.last_dtp_lvl = TXHIGHPWRLEVEL_NORMAL;
		return;
	}

	if (mac->link_state >= MAC80211_LINKED) {
		if (mac->opmode == NL80211_IFTYPE_ADHOC) {
			undecorated_smoothed_pwdb =
			    rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb;
			RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
				 ("AP Client PWDB = 0x%lx\n",
				  undecorated_smoothed_pwdb));
		} else {
			undecorated_smoothed_pwdb =
			    rtlpriv->dm.undecorated_smoothed_pwdb;
			RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
				 ("STA Default Port PWDB = 0x%lx\n",
				  undecorated_smoothed_pwdb));
		}
	} else {
		undecorated_smoothed_pwdb =
		    rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb;

		RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
			 ("AP Ext Port PWDB = 0x%lx\n",
			  undecorated_smoothed_pwdb));
	}

	if (undecorated_smoothed_pwdb >= TX_POWER_NEAR_FIELD_THRESH_LVL2) {
		rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL1;
		RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
			 ("TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x0)\n"));
	} else if ((undecorated_smoothed_pwdb <
		    (TX_POWER_NEAR_FIELD_THRESH_LVL2 - 3)) &&
		   (undecorated_smoothed_pwdb >=
		    TX_POWER_NEAR_FIELD_THRESH_LVL1)) {

		rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL1;
		RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
			 ("TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x10)\n"));
	} else if (undecorated_smoothed_pwdb <
		   (TX_POWER_NEAR_FIELD_THRESH_LVL1 - 5)) {
		rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
		RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
			 ("TXHIGHPWRLEVEL_NORMAL\n"));
	}

	if ((rtlpriv->dm.dynamic_txhighpower_lvl != rtlpriv->dm.last_dtp_lvl)) {
		RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
			 ("PHY_SetTxPowerLevel8192S() Channel = %d\n",
			  rtlphy->current_channel));
		rtl92c_phy_set_txpower_level(hw, rtlphy->current_channel);
	}

	rtlpriv->dm.last_dtp_lvl = rtlpriv->dm.dynamic_txhighpower_lvl;
}

void rtl92c_dm_watchdog(struct ieee80211_hw *hw)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
	bool fw_current_inpsmode = false;
	bool fw_ps_awake = true;

	rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_FW_PSMODE_STATUS,
				      (u8 *) (&fw_current_inpsmode));
	rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_FWLPS_RF_ON,
				      (u8 *) (&fw_ps_awake));

	if ((ppsc->rfpwr_state == ERFON) && ((!fw_current_inpsmode) &&
					     fw_ps_awake)
	    && (!ppsc->rfchange_inprogress)) {
		rtl92c_dm_pwdb_monitor(hw);
		rtl92c_dm_dig(hw);
		rtl92c_dm_false_alarm_counter_statistics(hw);
		rtl92c_dm_dynamic_bb_powersaving(hw);
		rtl92c_dm_dynamic_txpower(hw);
		rtl92c_dm_check_txpower_tracking(hw);
		rtl92c_dm_refresh_rate_adaptive_mask(hw);
		rtl92c_dm_bt_coexist(hw);
		rtl92c_dm_check_edca_turbo(hw);
	}
}
EXPORT_SYMBOL(rtl92c_dm_watchdog);

static u8 rtl92c_bt_rssi_state_change(struct ieee80211_hw *hw)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
	long undecorated_smoothed_pwdb;
	u8 curr_bt_rssi_state = 0x00;

	if (rtlpriv->mac80211.link_state == MAC80211_LINKED) {
		undecorated_smoothed_pwdb =
				 GET_UNDECORATED_AVERAGE_RSSI(rtlpriv);
	} else {
		if (rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb == 0)
			undecorated_smoothed_pwdb = 100;
		else
			undecorated_smoothed_pwdb =
				rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb;
	}

	/* Check RSSI to determine HighPower/NormalPower state for
	 * BT coexistence. */
	if (undecorated_smoothed_pwdb >= 67)
		curr_bt_rssi_state &= (~BT_RSSI_STATE_NORMAL_POWER);
	else if (undecorated_smoothed_pwdb < 62)
		curr_bt_rssi_state |= BT_RSSI_STATE_NORMAL_POWER;

	/* Check RSSI to determine AMPDU setting for BT coexistence. */
	if (undecorated_smoothed_pwdb >= 40)
		curr_bt_rssi_state &= (~BT_RSSI_STATE_AMDPU_OFF);
	else if (undecorated_smoothed_pwdb <= 32)
		curr_bt_rssi_state |= BT_RSSI_STATE_AMDPU_OFF;

	/* Marked RSSI state. It will be used to determine BT coexistence
	 * setting later. */
	if (undecorated_smoothed_pwdb < 35)
		curr_bt_rssi_state |=  BT_RSSI_STATE_SPECIAL_LOW;
	else
		curr_bt_rssi_state &= (~BT_RSSI_STATE_SPECIAL_LOW);

	/* Set Tx Power according to BT status. */
	if (undecorated_smoothed_pwdb >= 30)
		curr_bt_rssi_state |=  BT_RSSI_STATE_TXPOWER_LOW;
	else if (undecorated_smoothed_pwdb < 25)
		curr_bt_rssi_state &= (~BT_RSSI_STATE_TXPOWER_LOW);

	/* Check BT state related to BT_Idle in B/G mode. */
	if (undecorated_smoothed_pwdb < 15)
		curr_bt_rssi_state |=  BT_RSSI_STATE_BG_EDCA_LOW;
	else
		curr_bt_rssi_state &= (~BT_RSSI_STATE_BG_EDCA_LOW);

	if (curr_bt_rssi_state != rtlpcipriv->bt_coexist.bt_rssi_state) {
		rtlpcipriv->bt_coexist.bt_rssi_state = curr_bt_rssi_state;
		return true;
	} else {
		return false;
	}
}

static bool rtl92c_bt_state_change(struct ieee80211_hw *hw)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);

	u32 polling, ratio_tx, ratio_pri;
	u32 bt_tx, bt_pri;
	u8 bt_state;
	u8 cur_service_type;

	if (rtlpriv->mac80211.link_state < MAC80211_LINKED)
		return false;

	bt_state = rtl_read_byte(rtlpriv, 0x4fd);
	bt_tx = rtl_read_dword(rtlpriv, 0x488);
	bt_tx = bt_tx & 0x00ffffff;
	bt_pri = rtl_read_dword(rtlpriv, 0x48c);
	bt_pri = bt_pri & 0x00ffffff;
	polling = rtl_read_dword(rtlpriv, 0x490);

	if (bt_tx == 0xffffffff && bt_pri == 0xffffffff &&
	    polling == 0xffffffff && bt_state == 0xff)
		return false;

	bt_state &= BIT_OFFSET_LEN_MASK_32(0, 1);
	if (bt_state != rtlpcipriv->bt_coexist.bt_cur_state) {
		rtlpcipriv->bt_coexist.bt_cur_state = bt_state;

		if (rtlpcipriv->bt_coexist.reg_bt_sco == 3) {
			rtlpcipriv->bt_coexist.bt_service = BT_IDLE;

			bt_state = bt_state |
			  ((rtlpcipriv->bt_coexist.bt_ant_isolation == 1) ?
			  0 : BIT_OFFSET_LEN_MASK_32(1, 1)) |
			  BIT_OFFSET_LEN_MASK_32(2, 1);
			rtl_write_byte(rtlpriv, 0x4fd, bt_state);
		}
		return true;
	}

	ratio_tx = bt_tx * 1000 / polling;
	ratio_pri = bt_pri * 1000 / polling;
	rtlpcipriv->bt_coexist.ratio_tx = ratio_tx;
	rtlpcipriv->bt_coexist.ratio_pri = ratio_pri;

	if (bt_state && rtlpcipriv->bt_coexist.reg_bt_sco == 3) {

		if ((ratio_tx < 30)  && (ratio_pri < 30))
			cur_service_type = BT_IDLE;
		else if ((ratio_pri > 110) && (ratio_pri < 250))
			cur_service_type = BT_SCO;
		else if ((ratio_tx >= 200) && (ratio_pri >= 200))
			cur_service_type = BT_BUSY;
		else if ((ratio_tx >= 350) && (ratio_tx < 500))
			cur_service_type = BT_OTHERBUSY;
		else if (ratio_tx >= 500)
			cur_service_type = BT_PAN;
		else
			cur_service_type = BT_OTHER_ACTION;

		if (cur_service_type != rtlpcipriv->bt_coexist.bt_service) {
			rtlpcipriv->bt_coexist.bt_service = cur_service_type;
			bt_state = bt_state |
			   ((rtlpcipriv->bt_coexist.bt_ant_isolation == 1) ?
			   0 : BIT_OFFSET_LEN_MASK_32(1, 1)) |
			   ((rtlpcipriv->bt_coexist.bt_service != BT_IDLE) ?
			   0 : BIT_OFFSET_LEN_MASK_32(2, 1));

			/* Add interrupt migration when bt is not ini
			 * idle state (no traffic). */
			if (rtlpcipriv->bt_coexist.bt_service != BT_IDLE) {
				rtl_write_word(rtlpriv, 0x504, 0x0ccc);
				rtl_write_byte(rtlpriv, 0x506, 0x54);
				rtl_write_byte(rtlpriv, 0x507, 0x54);
			} else {
				rtl_write_byte(rtlpriv, 0x506, 0x00);
				rtl_write_byte(rtlpriv, 0x507, 0x00);
			}

			rtl_write_byte(rtlpriv, 0x4fd, bt_state);
			return true;
		}
	}

	return false;

}

static bool rtl92c_bt_wifi_connect_change(struct ieee80211_hw *hw)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	static bool media_connect;

	if (rtlpriv->mac80211.link_state < MAC80211_LINKED) {
		media_connect = false;
	} else {
		if (!media_connect) {
			media_connect = true;
			return true;
		}
		media_connect = true;
	}

	return false;
}

static void rtl92c_bt_set_normal(struct ieee80211_hw *hw)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);


	if (rtlpcipriv->bt_coexist.bt_service == BT_OTHERBUSY) {
		rtlpcipriv->bt_coexist.bt_edca_ul = 0x5ea72b;
		rtlpcipriv->bt_coexist.bt_edca_dl = 0x5ea72b;
	} else if (rtlpcipriv->bt_coexist.bt_service == BT_BUSY) {
		rtlpcipriv->bt_coexist.bt_edca_ul = 0x5eb82f;
		rtlpcipriv->bt_coexist.bt_edca_dl = 0x5eb82f;
	} else if (rtlpcipriv->bt_coexist.bt_service == BT_SCO) {
		if (rtlpcipriv->bt_coexist.ratio_tx > 160) {
			rtlpcipriv->bt_coexist.bt_edca_ul = 0x5ea72f;
			rtlpcipriv->bt_coexist.bt_edca_dl = 0x5ea72f;
		} else {
			rtlpcipriv->bt_coexist.bt_edca_ul = 0x5ea32b;
			rtlpcipriv->bt_coexist.bt_edca_dl = 0x5ea42b;
		}
	} else {
		rtlpcipriv->bt_coexist.bt_edca_ul = 0;
		rtlpcipriv->bt_coexist.bt_edca_dl = 0;
	}

	if ((rtlpcipriv->bt_coexist.bt_service != BT_IDLE) &&
	     (rtlpriv->mac80211.mode == WIRELESS_MODE_G ||
	     (rtlpriv->mac80211.mode == (WIRELESS_MODE_G | WIRELESS_MODE_B))) &&
	     (rtlpcipriv->bt_coexist.bt_rssi_state &
	     BT_RSSI_STATE_BG_EDCA_LOW)) {
		rtlpcipriv->bt_coexist.bt_edca_ul = 0x5eb82b;
		rtlpcipriv->bt_coexist.bt_edca_dl = 0x5eb82b;
	}
}

static void rtl92c_bt_ant_isolation(struct ieee80211_hw *hw)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);


	/* Only enable HW BT coexist when BT in "Busy" state. */
	if (rtlpriv->mac80211.vendor == PEER_CISCO &&
	    rtlpcipriv->bt_coexist.bt_service == BT_OTHER_ACTION) {
		rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, 0xa0);
	} else {
		if ((rtlpcipriv->bt_coexist.bt_service == BT_BUSY) &&
		    (rtlpcipriv->bt_coexist.bt_rssi_state &
		     BT_RSSI_STATE_NORMAL_POWER)) {
			rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, 0xa0);
		} else if ((rtlpcipriv->bt_coexist.bt_service ==
			    BT_OTHER_ACTION) && (rtlpriv->mac80211.mode <
			    WIRELESS_MODE_N_24G) &&
			    (rtlpcipriv->bt_coexist.bt_rssi_state &
			    BT_RSSI_STATE_SPECIAL_LOW)) {
			rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, 0xa0);
		} else if (rtlpcipriv->bt_coexist.bt_service == BT_PAN) {
			rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, 0x00);
		} else {
			rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, 0x00);
		}
	}

	if (rtlpcipriv->bt_coexist.bt_service == BT_PAN)
		rtl_write_dword(rtlpriv, REG_GPIO_PIN_CTRL, 0x10100);
	else
		rtl_write_dword(rtlpriv, REG_GPIO_PIN_CTRL, 0x0);

	if (rtlpcipriv->bt_coexist.bt_rssi_state &
	    BT_RSSI_STATE_NORMAL_POWER) {
		rtl92c_bt_set_normal(hw);
	} else {
		rtlpcipriv->bt_coexist.bt_edca_ul = 0;
		rtlpcipriv->bt_coexist.bt_edca_dl = 0;
	}

	if (rtlpcipriv->bt_coexist.bt_service != BT_IDLE) {
		rtlpriv->cfg->ops->set_rfreg(hw,
				 RF90_PATH_A,
				 0x1e,
				 0xf0, 0xf);
	} else {
		rtlpriv->cfg->ops->set_rfreg(hw,
		     RF90_PATH_A, 0x1e, 0xf0,
		     rtlpcipriv->bt_coexist.bt_rfreg_origin_1e);
	}

	if (!rtlpriv->dm.dynamic_txpower_enable) {
		if (rtlpcipriv->bt_coexist.bt_service != BT_IDLE) {
			if (rtlpcipriv->bt_coexist.bt_rssi_state &
				BT_RSSI_STATE_TXPOWER_LOW) {
				rtlpriv->dm.dynamic_txhighpower_lvl =
							TXHIGHPWRLEVEL_BT2;
			} else {
				rtlpriv->dm.dynamic_txhighpower_lvl =
					TXHIGHPWRLEVEL_BT1;
			}
		} else {
			rtlpriv->dm.dynamic_txhighpower_lvl =
				TXHIGHPWRLEVEL_NORMAL;
		}
		rtl92c_phy_set_txpower_level(hw,
			rtlpriv->phy.current_channel);
	}
}

static void rtl92c_check_bt_change(struct ieee80211_hw *hw)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);

	if (rtlpcipriv->bt_coexist.bt_cur_state) {
		if (rtlpcipriv->bt_coexist.bt_ant_isolation)
			rtl92c_bt_ant_isolation(hw);
	} else {
		rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, 0x00);
		rtlpriv->cfg->ops->set_rfreg(hw, RF90_PATH_A, 0x1e, 0xf0,
				rtlpcipriv->bt_coexist.bt_rfreg_origin_1e);

		rtlpcipriv->bt_coexist.bt_edca_ul = 0;
		rtlpcipriv->bt_coexist.bt_edca_dl = 0;
	}
}

void rtl92c_dm_bt_coexist(struct ieee80211_hw *hw)
{
	struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);

	bool wifi_connect_change;
	bool bt_state_change;
	bool rssi_state_change;

	if ((rtlpcipriv->bt_coexist.bt_coexistence) &&
	     (rtlpcipriv->bt_coexist.bt_coexist_type == BT_CSR_BC4)) {

		wifi_connect_change = rtl92c_bt_wifi_connect_change(hw);
		bt_state_change = rtl92c_bt_state_change(hw);
		rssi_state_change = rtl92c_bt_rssi_state_change(hw);

		if (wifi_connect_change || bt_state_change || rssi_state_change)
			rtl92c_check_bt_change(hw);
	}
}