/******************************************************************************
 *
 * 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.
 *
 * 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 "../wifi.h"
#include "../base.h"
#include "../pci.h"
#include "reg.h"
#include "def.h"
#include "phy.h"
#include "dm.h"
#include "fw.h"
#include "trx.h"

struct dig_t dm_dig;

static const u32 ofdmswing_table[OFDM_TABLE_SIZE] = {
	0x7f8001fe,		/* 0, +6.0dB */
	0x788001e2,		/* 1, +5.5dB */
	0x71c001c7,		/* 2, +5.0dB */
	0x6b8001ae,		/* 3, +4.5dB */
	0x65400195,		/* 4, +4.0dB */
	0x5fc0017f,		/* 5, +3.5dB */
	0x5a400169,		/* 6, +3.0dB */
	0x55400155,		/* 7, +2.5dB */
	0x50800142,		/* 8, +2.0dB */
	0x4c000130,		/* 9, +1.5dB */
	0x47c0011f,		/* 10, +1.0dB */
	0x43c0010f,		/* 11, +0.5dB */
	0x40000100,		/* 12, +0dB */
	0x3c8000f2,		/* 13, -0.5dB */
	0x390000e4,		/* 14, -1.0dB */
	0x35c000d7,		/* 15, -1.5dB */
	0x32c000cb,		/* 16, -2.0dB */
	0x300000c0,		/* 17, -2.5dB */
	0x2d4000b5,		/* 18, -3.0dB */
	0x2ac000ab,		/* 19, -3.5dB */
	0x288000a2,		/* 20, -4.0dB */
	0x26000098,		/* 21, -4.5dB */
	0x24000090,		/* 22, -5.0dB */
	0x22000088,		/* 23, -5.5dB */
	0x20000080,		/* 24, -6.0dB */
	0x1e400079,		/* 25, -6.5dB */
	0x1c800072,		/* 26, -7.0dB */
	0x1b00006c,		/* 27. -7.5dB */
	0x19800066,		/* 28, -8.0dB */
	0x18000060,		/* 29, -8.5dB */
	0x16c0005b,		/* 30, -9.0dB */
	0x15800056,		/* 31, -9.5dB */
	0x14400051,		/* 32, -10.0dB */
	0x1300004c,		/* 33, -10.5dB */
	0x12000048,		/* 34, -11.0dB */
	0x11000044,		/* 35, -11.5dB */
	0x10000040,		/* 36, -12.0dB */
	0x0f00003c,		/* 37, -12.5dB */
	0x0e400039,		/* 38, -13.0dB */
	0x0d800036,		/* 39, -13.5dB */
	0x0cc00033,		/* 40, -14.0dB */
	0x0c000030,		/* 41, -14.5dB */
	0x0b40002d,		/* 42, -15.0dB */
};

static const u8 cckswing_table_ch1ch13[CCK_TABLE_SIZE][8] = {
	{0x36, 0x35, 0x2e, 0x25, 0x1c, 0x12, 0x09, 0x04}, /* 0, +0dB */
	{0x33, 0x32, 0x2b, 0x23, 0x1a, 0x11, 0x08, 0x04}, /* 1, -0.5dB */
	{0x30, 0x2f, 0x29, 0x21, 0x19, 0x10, 0x08, 0x03}, /* 2, -1.0dB */
	{0x2d, 0x2d, 0x27, 0x1f, 0x18, 0x0f, 0x08, 0x03}, /* 3, -1.5dB */
	{0x2b, 0x2a, 0x25, 0x1e, 0x16, 0x0e, 0x07, 0x03}, /* 4, -2.0dB */
	{0x28, 0x28, 0x22, 0x1c, 0x15, 0x0d, 0x07, 0x03}, /* 5, -2.5dB */
	{0x26, 0x25, 0x21, 0x1b, 0x14, 0x0d, 0x06, 0x03}, /* 6, -3.0dB */
	{0x24, 0x23, 0x1f, 0x19, 0x13, 0x0c, 0x06, 0x03}, /* 7, -3.5dB */
	{0x22, 0x21, 0x1d, 0x18, 0x11, 0x0b, 0x06, 0x02}, /* 8, -4.0dB */
	{0x20, 0x20, 0x1b, 0x16, 0x11, 0x08, 0x05, 0x02}, /* 9, -4.5dB */
	{0x1f, 0x1e, 0x1a, 0x15, 0x10, 0x0a, 0x05, 0x02}, /* 10, -5.0dB */
	{0x1d, 0x1c, 0x18, 0x14, 0x0f, 0x0a, 0x05, 0x02}, /* 11, -5.5dB */
	{0x1b, 0x1a, 0x17, 0x13, 0x0e, 0x09, 0x04, 0x02}, /* 12, -6.0dB */
	{0x1a, 0x19, 0x16, 0x12, 0x0d, 0x09, 0x04, 0x02}, /* 13, -6.5dB */
	{0x18, 0x17, 0x15, 0x11, 0x0c, 0x08, 0x04, 0x02}, /* 14, -7.0dB */
	{0x17, 0x16, 0x13, 0x10, 0x0c, 0x08, 0x04, 0x02}, /* 15, -7.5dB */
	{0x16, 0x15, 0x12, 0x0f, 0x0b, 0x07, 0x04, 0x01}, /* 16, -8.0dB */
	{0x14, 0x14, 0x11, 0x0e, 0x0b, 0x07, 0x03, 0x02}, /* 17, -8.5dB */
	{0x13, 0x13, 0x10, 0x0d, 0x0a, 0x06, 0x03, 0x01}, /* 18, -9.0dB */
	{0x12, 0x12, 0x0f, 0x0c, 0x09, 0x06, 0x03, 0x01}, /* 19, -9.5dB */
	{0x11, 0x11, 0x0f, 0x0c, 0x09, 0x06, 0x03, 0x01}, /* 20, -10.0dB */
	{0x10, 0x10, 0x0e, 0x0b, 0x08, 0x05, 0x03, 0x01}, /* 21, -10.5dB */
	{0x0f, 0x0f, 0x0d, 0x0b, 0x08, 0x05, 0x03, 0x01}, /* 22, -11.0dB */
	{0x0e, 0x0e, 0x0c, 0x0a, 0x08, 0x05, 0x02, 0x01}, /* 23, -11.5dB */
	{0x0d, 0x0d, 0x0c, 0x0a, 0x07, 0x05, 0x02, 0x01}, /* 24, -12.0dB */
	{0x0d, 0x0c, 0x0b, 0x09, 0x07, 0x04, 0x02, 0x01}, /* 25, -12.5dB */
	{0x0c, 0x0c, 0x0a, 0x09, 0x06, 0x04, 0x02, 0x01}, /* 26, -13.0dB */
	{0x0b, 0x0b, 0x0a, 0x08, 0x06, 0x04, 0x02, 0x01}, /* 27, -13.5dB */
	{0x0b, 0x0a, 0x09, 0x08, 0x06, 0x04, 0x02, 0x01}, /* 28, -14.0dB */
	{0x0a, 0x0a, 0x09, 0x07, 0x05, 0x03, 0x02, 0x01}, /* 29, -14.5dB */
	{0x0a, 0x09, 0x08, 0x07, 0x05, 0x03, 0x02, 0x01}, /* 30, -15.0dB */
	{0x09, 0x09, 0x08, 0x06, 0x05, 0x03, 0x01, 0x01}, /* 31, -15.5dB */
	{0x09, 0x08, 0x07, 0x06, 0x04, 0x03, 0x01, 0x01}  /* 32, -16.0dB */
};

static const u8 cckswing_table_ch14[CCK_TABLE_SIZE][8] = {
	{0x36, 0x35, 0x2e, 0x1b, 0x00, 0x00, 0x00, 0x00}, /* 0, +0dB */
	{0x33, 0x32, 0x2b, 0x19, 0x00, 0x00, 0x00, 0x00}, /* 1, -0.5dB */
	{0x30, 0x2f, 0x29, 0x18, 0x00, 0x00, 0x00, 0x00}, /* 2, -1.0dB */
	{0x2d, 0x2d, 0x17, 0x17, 0x00, 0x00, 0x00, 0x00}, /* 3, -1.5dB */
	{0x2b, 0x2a, 0x25, 0x15, 0x00, 0x00, 0x00, 0x00}, /* 4, -2.0dB */
	{0x28, 0x28, 0x24, 0x14, 0x00, 0x00, 0x00, 0x00}, /* 5, -2.5dB */
	{0x26, 0x25, 0x21, 0x13, 0x00, 0x00, 0x00, 0x00}, /* 6, -3.0dB */
	{0x24, 0x23, 0x1f, 0x12, 0x00, 0x00, 0x00, 0x00}, /* 7, -3.5dB */
	{0x22, 0x21, 0x1d, 0x11, 0x00, 0x00, 0x00, 0x00}, /* 8, -4.0dB */
	{0x20, 0x20, 0x1b, 0x10, 0x00, 0x00, 0x00, 0x00}, /* 9, -4.5dB */
	{0x1f, 0x1e, 0x1a, 0x0f, 0x00, 0x00, 0x00, 0x00}, /* 10, -5.0dB */
	{0x1d, 0x1c, 0x18, 0x0e, 0x00, 0x00, 0x00, 0x00}, /* 11, -5.5dB */
	{0x1b, 0x1a, 0x17, 0x0e, 0x00, 0x00, 0x00, 0x00}, /* 12, -6.0dB */
	{0x1a, 0x19, 0x16, 0x0d, 0x00, 0x00, 0x00, 0x00}, /* 13, -6.5dB */
	{0x18, 0x17, 0x15, 0x0c, 0x00, 0x00, 0x00, 0x00}, /* 14, -7.0dB */
	{0x17, 0x16, 0x13, 0x0b, 0x00, 0x00, 0x00, 0x00}, /* 15, -7.5dB */
	{0x16, 0x15, 0x12, 0x0b, 0x00, 0x00, 0x00, 0x00}, /* 16, -8.0dB */
	{0x14, 0x14, 0x11, 0x0a, 0x00, 0x00, 0x00, 0x00}, /* 17, -8.5dB */
	{0x13, 0x13, 0x10, 0x0a, 0x00, 0x00, 0x00, 0x00}, /* 18, -9.0dB */
	{0x12, 0x12, 0x0f, 0x09, 0x00, 0x00, 0x00, 0x00}, /* 19, -9.5dB */
	{0x11, 0x11, 0x0f, 0x09, 0x00, 0x00, 0x00, 0x00}, /* 20, -10.0dB */
	{0x10, 0x10, 0x0e, 0x08, 0x00, 0x00, 0x00, 0x00}, /* 21, -10.5dB */
	{0x0f, 0x0f, 0x0d, 0x08, 0x00, 0x00, 0x00, 0x00}, /* 22, -11.0dB */
	{0x0e, 0x0e, 0x0c, 0x07, 0x00, 0x00, 0x00, 0x00}, /* 23, -11.5dB */
	{0x0d, 0x0d, 0x0c, 0x07, 0x00, 0x00, 0x00, 0x00}, /* 24, -12.0dB */
	{0x0d, 0x0c, 0x0b, 0x06, 0x00, 0x00, 0x00, 0x00}, /* 25, -12.5dB */
	{0x0c, 0x0c, 0x0a, 0x06, 0x00, 0x00, 0x00, 0x00}, /* 26, -13.0dB */
	{0x0b, 0x0b, 0x0a, 0x06, 0x00, 0x00, 0x00, 0x00}, /* 27, -13.5dB */
	{0x0b, 0x0a, 0x09, 0x05, 0x00, 0x00, 0x00, 0x00}, /* 28, -14.0dB */
	{0x0a, 0x0a, 0x09, 0x05, 0x00, 0x00, 0x00, 0x00}, /* 29, -14.5dB */
	{0x0a, 0x09, 0x08, 0x05, 0x00, 0x00, 0x00, 0x00}, /* 30, -15.0dB */
	{0x09, 0x09, 0x08, 0x05, 0x00, 0x00, 0x00, 0x00}, /* 31, -15.5dB */
	{0x09, 0x08, 0x07, 0x04, 0x00, 0x00, 0x00, 0x00}  /* 32, -16.0dB */
};

static void rtl92ee_dm_diginit(struct ieee80211_hw *hw)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	dm_dig.cur_igvalue = rtl_get_bbreg(hw, DM_REG_IGI_A_11N,
						DM_BIT_IGI_11N);
	dm_dig.rssi_lowthresh = DM_DIG_THRESH_LOW;
	dm_dig.rssi_highthresh = DM_DIG_THRESH_HIGH;
	dm_dig.fa_lowthresh = DM_FALSEALARM_THRESH_LOW;
	dm_dig.fa_highthresh = DM_FALSEALARM_THRESH_HIGH;
	dm_dig.rx_gain_range_max = DM_DIG_MAX;
	dm_dig.rx_gain_range_min = DM_DIG_MIN;
	dm_dig.backoff_val = DM_DIG_BACKOFF_DEFAULT;
	dm_dig.backoff_val_range_max = DM_DIG_BACKOFF_MAX;
	dm_dig.backoff_val_range_min = DM_DIG_BACKOFF_MIN;
	dm_dig.pre_cck_cca_thres = 0xff;
	dm_dig.cur_cck_cca_thres = 0x83;
	dm_dig.forbidden_igi = DM_DIG_MIN;
	dm_dig.large_fa_hit = 0;
	dm_dig.recover_cnt = 0;
	dm_dig.dig_dynamic_min_0 = DM_DIG_MIN;
	dm_dig.dig_dynamic_min_1 = DM_DIG_MIN;
	dm_dig.b_media_connect_0 = false;
	dm_dig.b_media_connect_1 = false;
	rtlpriv->dm.b_dm_initialgain_enable = true;
	dm_dig.bt30_cur_igi = 0x32;
}

static void rtl92ee_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);

	rtl_set_bbreg(hw, DM_REG_OFDM_FA_HOLDC_11N, BIT(31), 1);
	rtl_set_bbreg(hw, DM_REG_OFDM_FA_RSTD_11N, BIT(31), 1);

	ret_value = rtl_get_bbreg(hw, DM_REG_OFDM_FA_TYPE1_11N, MASKDWORD);
	falsealm_cnt->cnt_fast_fsync_fail = (ret_value & 0xffff);
	falsealm_cnt->cnt_sb_search_fail = ((ret_value & 0xffff0000) >> 16);

	ret_value = rtl_get_bbreg(hw, DM_REG_OFDM_FA_TYPE2_11N, MASKDWORD);
	falsealm_cnt->cnt_ofdm_cca = (ret_value & 0xffff);
	falsealm_cnt->cnt_parity_fail = ((ret_value & 0xffff0000) >> 16);

	ret_value = rtl_get_bbreg(hw, DM_REG_OFDM_FA_TYPE3_11N, MASKDWORD);
	falsealm_cnt->cnt_rate_illegal = (ret_value & 0xffff);
	falsealm_cnt->cnt_crc8_fail = ((ret_value & 0xffff0000) >> 16);

	ret_value = rtl_get_bbreg(hw, DM_REG_OFDM_FA_TYPE4_11N, 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 +
				      falsealm_cnt->cnt_fast_fsync_fail +
				      falsealm_cnt->cnt_sb_search_fail;

	ret_value = rtl_get_bbreg(hw, DM_REG_SC_CNT_11N, MASKDWORD);
	falsealm_cnt->cnt_bw_lsc = (ret_value & 0xffff);
	falsealm_cnt->cnt_bw_usc = ((ret_value & 0xffff0000) >> 16);

	rtl_set_bbreg(hw, DM_REG_CCK_FA_RST_11N, BIT(12), 1);
	rtl_set_bbreg(hw, DM_REG_CCK_FA_RST_11N, BIT(14), 1);

	ret_value = rtl_get_bbreg(hw, DM_REG_CCK_FA_LSB_11N, MASKBYTE0);
	falsealm_cnt->cnt_cck_fail = ret_value;

	ret_value = rtl_get_bbreg(hw, DM_REG_CCK_FA_MSB_11N, MASKBYTE3);
	falsealm_cnt->cnt_cck_fail += (ret_value & 0xff) << 8;

	ret_value = rtl_get_bbreg(hw, DM_REG_CCK_CCA_CNT_11N, MASKDWORD);
	falsealm_cnt->cnt_cck_cca = ((ret_value & 0xff) << 8) |
				    ((ret_value & 0xFF00) >> 8);

	falsealm_cnt->cnt_all = falsealm_cnt->cnt_fast_fsync_fail +
				falsealm_cnt->cnt_sb_search_fail +
				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;

	falsealm_cnt->cnt_cca_all = falsealm_cnt->cnt_ofdm_cca +
				    falsealm_cnt->cnt_cck_cca;

	/*reset false alarm counter registers*/
	rtl_set_bbreg(hw, DM_REG_OFDM_FA_RSTC_11N, BIT(31), 1);
	rtl_set_bbreg(hw, DM_REG_OFDM_FA_RSTC_11N, BIT(31), 0);
	rtl_set_bbreg(hw, DM_REG_OFDM_FA_RSTD_11N, BIT(27), 1);
	rtl_set_bbreg(hw, DM_REG_OFDM_FA_RSTD_11N, BIT(27), 0);
	/*update ofdm counter*/
	rtl_set_bbreg(hw, DM_REG_OFDM_FA_HOLDC_11N, BIT(31), 0);
	rtl_set_bbreg(hw, DM_REG_OFDM_FA_RSTD_11N, BIT(31), 0);
	/*reset CCK CCA counter*/
	rtl_set_bbreg(hw, DM_REG_CCK_FA_RST_11N, BIT(13) | BIT(12), 0);
	rtl_set_bbreg(hw, DM_REG_CCK_FA_RST_11N, BIT(13) | BIT(12), 2);
	/*reset CCK FA counter*/
	rtl_set_bbreg(hw, DM_REG_CCK_FA_RST_11N, BIT(15) | BIT(14), 0);
	rtl_set_bbreg(hw, DM_REG_CCK_FA_RST_11N, BIT(15) | BIT(14), 2);


	RT_TRACE(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(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 rtl92ee_dm_cck_packet_detection_thresh(struct ieee80211_hw *hw)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	u8 cur_cck_cca_thresh;
	if (rtlpriv->mac80211.link_state >= MAC80211_LINKED) {
		if (dm_dig.rssi_val_min > 25) {
			cur_cck_cca_thresh = 0xcd;
		} else if ((dm_dig.rssi_val_min <= 25) &&
			   (dm_dig.rssi_val_min > 10)) {
			cur_cck_cca_thresh = 0x83;
		} else {
			if (rtlpriv->falsealm_cnt.cnt_cck_fail > 1000)
				cur_cck_cca_thresh = 0x83;
			else
				cur_cck_cca_thresh = 0x40;
		}
	} else {
		if (rtlpriv->falsealm_cnt.cnt_cck_fail > 1000)
			cur_cck_cca_thresh = 0x83;
		else
			cur_cck_cca_thresh = 0x40;
	}
	rtl92ee_dm_write_cck_cca_thres(hw, cur_cck_cca_thresh);
}

static void rtl92ee_dm_dig(struct ieee80211_hw *hw)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
	u8 dig_dynamic_min , dig_maxofmin;
	bool bfirstconnect , bfirstdisconnect;
	u8 dm_dig_max, dm_dig_min;
	u8 current_igi = dm_dig.cur_igvalue;
	u8 offset;

	/* AP, BT */
	if (mac->act_scanning == true)
		return;

	dig_dynamic_min = dm_dig.dig_dynamic_min_0;
	bfirstconnect = (mac->link_state >= MAC80211_LINKED) &&
			(dm_dig.b_media_connect_0 == false);
	bfirstdisconnect = (mac->link_state < MAC80211_LINKED) &&
			   (dm_dig.b_media_connect_0 == true);

	dm_dig_max = 0x5a;
	dm_dig_min = DM_DIG_MIN;
	dig_maxofmin = DM_DIG_MAX_AP;

	if (mac->link_state >= MAC80211_LINKED) {
		if ((dm_dig.rssi_val_min + 10) > dm_dig_max)
			dm_dig.rx_gain_range_max = dm_dig_max;
		else if ((dm_dig.rssi_val_min + 10) < dm_dig_min)
			dm_dig.rx_gain_range_max = dm_dig_min;
		else
			dm_dig.rx_gain_range_max = dm_dig.rssi_val_min + 10;

		if (rtlpriv->dm.b_one_entry_only) {
			offset = 0;
			if (dm_dig.rssi_val_min - offset < dm_dig_min)
				dig_dynamic_min = dm_dig_min;
			else if (dm_dig.rssi_val_min - offset >
				 dig_maxofmin)
				dig_dynamic_min = dig_maxofmin;
			else
				dig_dynamic_min = dm_dig.rssi_val_min - offset;
		} else {
			dig_dynamic_min = dm_dig_min;
		}

	} else {
		dm_dig.rx_gain_range_max = dm_dig_max;
		dig_dynamic_min = dm_dig_min;
		RT_TRACE(COMP_DIG, DBG_LOUD, ("no link\n"));
	}

	if (rtlpriv->falsealm_cnt.cnt_all > 10000) {
		if (dm_dig.large_fa_hit != 3)
			dm_dig.large_fa_hit++;
		if (dm_dig.forbidden_igi < current_igi) {
			dm_dig.forbidden_igi = current_igi;
			dm_dig.large_fa_hit = 1;
		}

		if (dm_dig.large_fa_hit >= 3) {
			if (dm_dig.forbidden_igi + 1 > dm_dig.rx_gain_range_max)
				dm_dig.rx_gain_range_min =
						dm_dig.rx_gain_range_max;
			else
				dm_dig.rx_gain_range_min =
						dm_dig.forbidden_igi + 1;
			dm_dig.recover_cnt = 3600;
		}
	} else {
		if (dm_dig.recover_cnt != 0) {
			dm_dig.recover_cnt--;
		} else {
			if (dm_dig.large_fa_hit < 3) {
				if ((dm_dig.forbidden_igi - 1) <
				    dig_dynamic_min) {
					dm_dig.forbidden_igi = dig_dynamic_min;
					dm_dig.rx_gain_range_min =
								dig_dynamic_min;
				} else {
					dm_dig.forbidden_igi--;
					dm_dig.rx_gain_range_min =
						dm_dig.forbidden_igi + 1;
				}
			} else {
				dm_dig.large_fa_hit = 0;
			}
		}
	}

	if (rtlpriv->dm.dbginfo.num_qry_beacon_pkt < 5)
		dm_dig.rx_gain_range_min = dm_dig_min;

	if (dm_dig.rx_gain_range_min > dm_dig.rx_gain_range_max)
		dm_dig.rx_gain_range_min = dm_dig.rx_gain_range_max;

	if (mac->link_state >= MAC80211_LINKED) {
		if (bfirstconnect) {
			if (dm_dig.rssi_val_min <= dig_maxofmin)
				current_igi = dm_dig.rssi_val_min;
			else
				current_igi = dig_maxofmin;

			dm_dig.large_fa_hit = 0;
		} else {
			if (rtlpriv->falsealm_cnt.cnt_all > DM_DIG_FA_TH2)
				current_igi += 4;
			else if (rtlpriv->falsealm_cnt.cnt_all > DM_DIG_FA_TH1)
				current_igi += 2;
			else if (rtlpriv->falsealm_cnt.cnt_all < DM_DIG_FA_TH0)
				current_igi -= 2;

			if (rtlpriv->dm.dbginfo.num_qry_beacon_pkt < 5 &&
			    rtlpriv->falsealm_cnt.cnt_all < DM_DIG_FA_TH1)
				current_igi = dm_dig.rx_gain_range_min;
		}
	} else {
		if (bfirstdisconnect) {
			current_igi = dm_dig.rx_gain_range_min;
		} else {
			if (rtlpriv->falsealm_cnt.cnt_all > 10000)
				current_igi += 4;
			else if (rtlpriv->falsealm_cnt.cnt_all > 8000)
				current_igi += 2;
			else if (rtlpriv->falsealm_cnt.cnt_all < 500)
				current_igi -= 2;
		}
	}

	if (current_igi > dm_dig.rx_gain_range_max)
		current_igi = dm_dig.rx_gain_range_max;
	if (current_igi < dm_dig.rx_gain_range_min)
		current_igi = dm_dig.rx_gain_range_min;

	rtl92ee_dm_write_dig(hw , current_igi);
	dm_dig.b_media_connect_0 = ((mac->link_state >= MAC80211_LINKED) ?
				   true : false);
	dm_dig.dig_dynamic_min_0 = dig_dynamic_min;
}

void rtl92ee_dm_write_cck_cca_thres(struct ieee80211_hw *hw, u8 cur_thres)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	if (dm_dig.cur_cck_cca_thres != cur_thres)
		rtl_write_byte(rtlpriv, DM_REG_CCK_CCA_11N, cur_thres);

	dm_dig.pre_cck_cca_thres = dm_dig.cur_cck_cca_thres;
	dm_dig.cur_cck_cca_thres = cur_thres;
}

void rtl92ee_dm_write_dig(struct ieee80211_hw *hw, u8 current_igi)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	if (dm_dig.stop_dig)
		return;

	if (dm_dig.cur_igvalue != current_igi) {
		rtl_set_bbreg(hw, ROFDM0_XAAGCCORE1, 0x7f, current_igi);
		if (rtlpriv->phy.rf_type != RF_1T1R)
			rtl_set_bbreg(hw, ROFDM0_XBAGCCORE1, 0x7f, current_igi);
	}
	dm_dig.pre_igvalue = dm_dig.cur_igvalue;
	dm_dig.cur_igvalue = current_igi;
}

static void rtl92ee_rssi_dump_to_register(struct ieee80211_hw *hw)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	rtl_write_byte(rtlpriv, RA_RSSIDUMP,
		       rtlpriv->stats.rx_rssi_percentage[0]);
	rtl_write_byte(rtlpriv, RB_RSSIDUMP,
		       rtlpriv->stats.rx_rssi_percentage[1]);
	/*It seems the following values is not initialized.
	  *According to Windows code,
	  *these value will only be valid when JAGUAR chips*/
	/* Rx EVM */
	rtl_write_byte(rtlpriv, RS1_RXEVMDUMP, rtlpriv->stats.rx_evm_dbm[0]);
	rtl_write_byte(rtlpriv, RS2_RXEVMDUMP, rtlpriv->stats.rx_evm_dbm[1]);
	/* Rx SNR */
	rtl_write_byte(rtlpriv, RA_RXSNRDUMP,
		       (u8)(rtlpriv->stats.rx_snr_db[0]));
	rtl_write_byte(rtlpriv, RB_RXSNRDUMP,
		       (u8)(rtlpriv->stats.rx_snr_db[1]));
	/* Rx Cfo_Short */
	rtl_write_word(rtlpriv, RA_CFOSHORTDUMP,
		       rtlpriv->stats.rx_cfo_short[0]);
	rtl_write_word(rtlpriv, RB_CFOSHORTDUMP,
		       rtlpriv->stats.rx_cfo_short[1]);
	/* Rx Cfo_Tail */
	rtl_write_word(rtlpriv, RA_CFOLONGDUMP, rtlpriv->stats.rx_cfo_tail[0]);
	rtl_write_word(rtlpriv, RB_CFOLONGDUMP, rtlpriv->stats.rx_cfo_tail[1]);
}

static void rtl92ee_dm_find_minimum_rssi(struct ieee80211_hw *hw)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	struct rtl_dig *rtl_dm_dig = &(rtlpriv->dm.dm_digtable);
	struct rtl_mac *mac = rtl_mac(rtlpriv);

	/* Determine the minimum RSSI  */
	if ((mac->link_state < MAC80211_LINKED) &&
	    (rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb == 0)) {
		rtl_dm_dig->min_undecorated_pwdb_for_dm = 0;
		RT_TRACE(COMP_BB_POWERSAVING, DBG_LOUD,
			 ("Not connected to any\n"));
	}
	if (mac->link_state >= MAC80211_LINKED) {
		if (mac->opmode == NL80211_IFTYPE_AP ||
		    mac->opmode == NL80211_IFTYPE_ADHOC) {
			rtl_dm_dig->min_undecorated_pwdb_for_dm =
				rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb;
			RT_TRACE(COMP_BB_POWERSAVING, DBG_LOUD,
			      ("AP Client PWDB = 0x%lx\n",
			       rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb));
		} else {
			rtl_dm_dig->min_undecorated_pwdb_for_dm =
			    rtlpriv->dm.undecorated_smoothed_pwdb;
			RT_TRACE(COMP_BB_POWERSAVING, DBG_LOUD,
				("STA Default Port PWDB = 0x%x\n",
				rtl_dm_dig->min_undecorated_pwdb_for_dm));
		}
	} else {
		rtl_dm_dig->min_undecorated_pwdb_for_dm =
			rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb;
		RT_TRACE(COMP_BB_POWERSAVING, DBG_LOUD,
			("AP Ext Port or disconnet PWDB = 0x%x\n",
			rtl_dm_dig->min_undecorated_pwdb_for_dm));
	}
	RT_TRACE(COMP_DIG, DBG_LOUD, ("MinUndecoratedPWDBForDM =%d\n",
		rtl_dm_dig->min_undecorated_pwdb_for_dm));
}

static void rtl92ee_dm_check_rssi_monitor(struct ieee80211_hw *hw)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	struct rtl_mac *mac = rtl_mac(rtlpriv);
	struct rtl_dm *dm = rtl_dm(rtlpriv);
	struct rtl_sta_info *drv_priv;
	u8 h2c[4] = { 0 };
	long max = 0, min = 0xff;
	u8 i = 0;

	if (mac->opmode == NL80211_IFTYPE_AP ||
	    mac->opmode == NL80211_IFTYPE_ADHOC ||
	    mac->opmode == NL80211_IFTYPE_MESH_POINT) {
		/* AP & ADHOC & MESH */
		spin_lock_bh(&rtlpriv->locks.entry_list_lock);
		list_for_each_entry(drv_priv, &rtlpriv->entry_list, list) {
			struct rssi_sta *stat = &(drv_priv->rssi_stat);
			if (stat->undecorated_smoothed_pwdb < min)
				min = stat->undecorated_smoothed_pwdb;
			if (stat->undecorated_smoothed_pwdb > max)
				max = stat->undecorated_smoothed_pwdb;

			h2c[3] = 0;
			h2c[2] = (u8) (dm->undecorated_smoothed_pwdb & 0xFF);
			h2c[1] = 0x20;
			h2c[0] = ++i;
			rtl92ee_fill_h2c_cmd(hw, H2C_92E_RSSI_REPORT, 4, h2c);
		}
		spin_unlock_bh(&rtlpriv->locks.entry_list_lock);

		/* If associated entry is found */
		if (max != 0) {
			dm->entry_max_undecoratedsmoothed_pwdb = max;
			RTPRINT(rtlpriv, FDM, DM_PWDB,
				"EntryMaxPWDB = 0x%lx(%ld)\n", max, max);
		} else {
			dm->entry_max_undecoratedsmoothed_pwdb = 0;
		}
		/* If associated entry is found */
		if (min != 0xff) {
			dm->entry_min_undecoratedsmoothed_pwdb = min;
			RTPRINT(rtlpriv, FDM, DM_PWDB,
				"EntryMinPWDB = 0x%lx(%ld)\n", min, min);
		} else {
			dm->entry_min_undecoratedsmoothed_pwdb = 0;
		}
	}

	/* Indicate Rx signal strength to FW. */
	if (dm->b_useramask) {
		h2c[3] = 0;
		h2c[2] = (u8) (dm->undecorated_smoothed_pwdb & 0xFF);
		h2c[1] = 0x20;
		h2c[0] = 0;
		rtl92ee_fill_h2c_cmd(hw, H2C_92E_RSSI_REPORT, 4, h2c);
	} else {
		rtl_write_byte(rtlpriv, 0x4fe, dm->undecorated_smoothed_pwdb);
	}
	rtl92ee_rssi_dump_to_register(hw);
	rtl92ee_dm_find_minimum_rssi(hw);
	dm_dig.rssi_val_min = dm->dm_digtable.min_undecorated_pwdb_for_dm;
}

static void rtl92ee_dm_init_primary_cca_check(struct ieee80211_hw *hw)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
	struct dynamic_primary_cca *primarycca = &(rtlpriv->primarycca);

	rtlhal->rts_en = 0;
	primarycca->dup_rts_flag = 0;
	primarycca->intf_flag = 0;
	primarycca->intf_type = 0;
	primarycca->monitor_flag = 0;
	primarycca->ch_offset = 0;
	primarycca->mf_state = 0;
}

static bool rtl92ee_dm_is_edca_turbo_disable(struct ieee80211_hw *hw)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);

	if (rtlpriv->mac80211.mode == WIRELESS_MODE_B)
		return true;

	return false;
}

void rtl92ee_dm_init_edca_turbo(struct ieee80211_hw *hw)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);

	rtlpriv->dm.bcurrent_turbo_edca = false;
	rtlpriv->dm.bis_cur_rdlstate = false;
	rtlpriv->dm.bis_any_nonbepkts = false;
}

static void rtl92ee_dm_check_edca_turbo(struct ieee80211_hw *hw)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);

	static u64 last_txok_cnt;
	static u64 last_rxok_cnt;
	u64 cur_txok_cnt = 0;
	u64 cur_rxok_cnt = 0;
	u32 edca_be_ul = 0x5ea42b;
	u32 edca_be_dl = 0x5ea42b; /*not sure*/
	u32 edca_be = 0x5ea42b;
	bool b_is_cur_rdlstate;
	bool b_edca_turbo_on = false;

	if (rtlpriv->dm.dbginfo.num_non_be_pkt > 0x100)
		rtlpriv->dm.bis_any_nonbepkts = true;
	rtlpriv->dm.dbginfo.num_non_be_pkt = 0;

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

	/*b_bias_on_rx = false;*/
	b_edca_turbo_on = ((!rtlpriv->dm.bis_any_nonbepkts) &&
			   (!rtlpriv->dm.b_disable_framebursting)) ?
			  true : false;

	if (rtl92ee_dm_is_edca_turbo_disable(hw))
		goto dm_CheckEdcaTurbo_EXIT;

	if (b_edca_turbo_on) {
		b_is_cur_rdlstate = (cur_rxok_cnt > cur_txok_cnt * 4) ?
				    true : false;

		edca_be = b_is_cur_rdlstate ? edca_be_dl : edca_be_ul;
		rtl_write_dword(rtlpriv , REG_EDCA_BE_PARAM , edca_be);
		rtlpriv->dm.bis_cur_rdlstate = b_is_cur_rdlstate;
		rtlpriv->dm.bcurrent_turbo_edca = true;
	} else {
		if (rtlpriv->dm.bcurrent_turbo_edca) {
			u8 tmp = AC0_BE;
			rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AC_PARAM,
						      (u8 *) (&tmp));
		}
		rtlpriv->dm.bcurrent_turbo_edca = false;
	}

dm_CheckEdcaTurbo_EXIT:
	rtlpriv->dm.bis_any_nonbepkts = false;
	last_txok_cnt = rtlpriv->stats.txbytesunicast;
	last_rxok_cnt = rtlpriv->stats.rxbytesunicast;
}

static void rtl92ee_dm_dynamic_edcca(struct ieee80211_hw *hw)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	u8 reg_c50 , reg_c58;
	bool b_fw_current_in_ps_mode = false;

	rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_FW_PSMODE_STATUS,
				      (u8 *)(&b_fw_current_in_ps_mode));
	if (b_fw_current_in_ps_mode)
		return;

	reg_c50 = rtl_get_bbreg(hw, ROFDM0_XAAGCCORE1, MASKBYTE0);
	reg_c58 = rtl_get_bbreg(hw, ROFDM0_XBAGCCORE1, MASKBYTE0);

	if (reg_c50 > 0x28 && reg_c58 > 0x28) {
		if (!rtlpriv->rtlhal.b_pre_edcca_enable) {
			rtl_write_byte(rtlpriv, ROFDM0_ECCATHRESHOLD, 0x03);
			rtl_write_byte(rtlpriv, ROFDM0_ECCATHRESHOLD + 2, 0x00);
			rtlpriv->rtlhal.b_pre_edcca_enable = true;
		}
	} else if (reg_c50 < 0x25 && reg_c58 < 0x25) {
		if (rtlpriv->rtlhal.b_pre_edcca_enable) {
			rtl_write_byte(rtlpriv, ROFDM0_ECCATHRESHOLD, 0x7f);
			rtl_write_byte(rtlpriv, ROFDM0_ECCATHRESHOLD + 2, 0x7f);
			rtlpriv->rtlhal.b_pre_edcca_enable = false;
		}
	}
}

static void rtl92ee_dm_adaptivity(struct ieee80211_hw *hw)
{
	rtl92ee_dm_dynamic_edcca(hw);
}

static void rtl92ee_dm_write_dynamic_cca(struct ieee80211_hw *hw, u8 cur_mf_state)
{
	struct dynamic_primary_cca *primarycca = &(rtl_priv(hw)->primarycca);

	if (primarycca->mf_state != cur_mf_state)
		rtl_set_bbreg(hw, DM_REG_L1SBD_PD_CH_11N, BIT(8) | BIT(7),
			      cur_mf_state);

	primarycca->mf_state = cur_mf_state;
}

static void rtl92ee_dm_dynamic_primary_cca_ckeck(struct ieee80211_hw *hw)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	struct false_alarm_statistics *falsealm_cnt = &(rtlpriv->falsealm_cnt);
	struct dynamic_primary_cca *primarycca = &(rtlpriv->primarycca);
	bool is40mhz = false;
	u64 ofdm_cca, ofdm_fa, bw_usc_cnt, bw_lsc_cnt;
	u8 sec_ch_offset;
	u8 cur_mf_state;
	static u8 count_down = MONITOR_TIME;

	ofdm_cca = falsealm_cnt->cnt_ofdm_cca;
	ofdm_fa = falsealm_cnt->cnt_ofdm_fail;
	bw_usc_cnt = falsealm_cnt->cnt_bw_usc;
	bw_lsc_cnt = falsealm_cnt->cnt_bw_lsc;
	is40mhz = rtlpriv->mac80211.bw_40;
	sec_ch_offset = rtlpriv->mac80211.cur_40_prime_sc;
	/* NIC: 2: sec is below,  1: sec is above */

	if (rtlpriv->mac80211.opmode == NL80211_IFTYPE_AP) {
		cur_mf_state = MF_USC_LSC;
		rtl92ee_dm_write_dynamic_cca(hw, cur_mf_state);
		return;
	}

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

	if (is40mhz)
		return;

	if (primarycca->pricca_flag == 0) {
		/* Primary channel is above
		 * NOTE: duplicate CTS can remove this condition*/
		if (sec_ch_offset == 2) {
			if ((ofdm_cca > OFDMCCA_TH) &&
			    (bw_lsc_cnt > (bw_usc_cnt + BW_IND_BIAS)) &&
			    (ofdm_fa > (ofdm_cca >> 1))) {
				primarycca->intf_type = 1;
				primarycca->intf_flag = 1;
				cur_mf_state = MF_USC;
				rtl92ee_dm_write_dynamic_cca(hw, cur_mf_state);
				primarycca->pricca_flag = 1;
			} else if ((ofdm_cca > OFDMCCA_TH) &&
				   (bw_lsc_cnt > (bw_usc_cnt + BW_IND_BIAS)) &&
				   (ofdm_fa < (ofdm_cca >> 1))) {
				primarycca->intf_type = 2;
				primarycca->intf_flag = 1;
				cur_mf_state = MF_USC;
				rtl92ee_dm_write_dynamic_cca(hw, cur_mf_state);
				primarycca->pricca_flag = 1;
				primarycca->dup_rts_flag = 1;
				rtlpriv->rtlhal.rts_en = 1;
			} else {
				primarycca->intf_type = 0;
				primarycca->intf_flag = 0;
				cur_mf_state = MF_USC_LSC;
				rtl92ee_dm_write_dynamic_cca(hw, cur_mf_state);
				rtlpriv->rtlhal.rts_en = 0;
				primarycca->dup_rts_flag = 0;
			}
		} else if (sec_ch_offset == 1) {
			if ((ofdm_cca > OFDMCCA_TH) &&
			    (bw_usc_cnt > (bw_lsc_cnt + BW_IND_BIAS)) &&
			    (ofdm_fa > (ofdm_cca >> 1))) {
				primarycca->intf_type = 1;
				primarycca->intf_flag = 1;
				cur_mf_state = MF_LSC;
				rtl92ee_dm_write_dynamic_cca(hw, cur_mf_state);
				primarycca->pricca_flag = 1;
			} else if ((ofdm_cca > OFDMCCA_TH) &&
				   (bw_usc_cnt > (bw_lsc_cnt + BW_IND_BIAS)) &&
				   (ofdm_fa < (ofdm_cca >> 1))) {
				primarycca->intf_type = 2;
				primarycca->intf_flag = 1;
				cur_mf_state = MF_LSC;
				rtl92ee_dm_write_dynamic_cca(hw, cur_mf_state);
				primarycca->pricca_flag = 1;
				primarycca->dup_rts_flag = 1;
				rtlpriv->rtlhal.rts_en = 1;
			} else {
				primarycca->intf_type = 0;
				primarycca->intf_flag = 0;
				cur_mf_state = MF_USC_LSC;
				rtl92ee_dm_write_dynamic_cca(hw, cur_mf_state);
				rtlpriv->rtlhal.rts_en = 0;
				primarycca->dup_rts_flag = 0;
			}
		}
	} else {/* PrimaryCCA->PriCCA_flag == 1 */
		count_down--;
		if (count_down == 0) {
			count_down = MONITOR_TIME;
			primarycca->pricca_flag = 0;
			cur_mf_state = MF_USC_LSC;
			/* default */
			rtl92ee_dm_write_dynamic_cca(hw, cur_mf_state);
			rtlpriv->rtlhal.rts_en = 0;
			primarycca->dup_rts_flag = 0;
			primarycca->intf_type = 0;
			primarycca->intf_flag = 0;
		}
	}
}

static void rtl92ee_dm_dynamic_atc_switch(struct ieee80211_hw *hw)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	struct rtl_dm *rtldm = rtl_dm(rtl_priv(hw));
	u8 crystal_cap;
	u32 packet_count;
	int cfo_khz_a , cfo_khz_b , cfo_ave = 0, adjust_xtal = 0;
	int cfo_ave_diff;

	if (rtlpriv->mac80211.link_state < MAC80211_LINKED) {
		if (rtldm->atc_status == ATC_STATUS_OFF) {
			rtl_set_bbreg(hw, ROFDM1_CFOTRACKING, BIT(11),
				      ATC_STATUS_ON);
			rtldm->atc_status = ATC_STATUS_ON;
		}
		/* Disable CFO tracking for BT */
		if (rtlpriv->cfg->ops->get_btc_status()) {
			if (!rtlpriv->btcoexist.btc_ops->btc_is_bt_disabled(rtlpriv)) {
				RT_TRACE(COMP_BT_COEXIST, DBG_LOUD,
					("odm_DynamicATCSwitch(): "
					"Disable CFO tracking for BT!!\n"));
				return;
			}
		}
		/* Reset Crystal Cap */
		if (rtldm->crystal_cap != rtlpriv->efuse.crystalcap) {
			rtldm->crystal_cap = rtlpriv->efuse.crystalcap;
			crystal_cap = rtldm->crystal_cap & 0x3f;
			rtl_set_bbreg(hw, REG_MAC_PHY_CTRL, 0xFFF000,
				      (crystal_cap | (crystal_cap << 6)));
		}
	} else {
		cfo_khz_a = (int)(rtldm->cfo_tail[0] * 3125) / 1280;
		cfo_khz_b = (int)(rtldm->cfo_tail[1] * 3125) / 1280;
		packet_count = rtldm->packet_count;

		if (packet_count == rtldm->packet_count_pre)
			return;

		rtldm->packet_count_pre = packet_count;

		if (rtlpriv->phy.rf_type == RF_1T1R)
			cfo_ave = cfo_khz_a;
		else
			cfo_ave = (int)(cfo_khz_a + cfo_khz_b) >> 1;

		cfo_ave_diff = (rtldm->cfo_ave_pre >= cfo_ave) ?
			       (rtldm->cfo_ave_pre - cfo_ave) :
			       (cfo_ave - rtldm->cfo_ave_pre);

		if (cfo_ave_diff > 20 && rtldm->large_cfo_hit == 0) {
			rtldm->large_cfo_hit = 1;
			return;
		} else {
			rtldm->large_cfo_hit = 0;
		}

		rtldm->cfo_ave_pre = cfo_ave;

		if (cfo_ave >= -rtldm->cfo_threshold &&
		    cfo_ave <= rtldm->cfo_threshold && rtldm->is_freeze == 0) {
			if (rtldm->cfo_threshold == CFO_THRESHOLD_XTAL) {
				rtldm->cfo_threshold = CFO_THRESHOLD_XTAL + 10;
				rtldm->is_freeze = 1;
			} else {
				rtldm->cfo_threshold = CFO_THRESHOLD_XTAL;
			}
		}

		if (cfo_ave > rtldm->cfo_threshold && rtldm->crystal_cap < 0x3f)
			adjust_xtal = ((cfo_ave - CFO_THRESHOLD_XTAL) >> 2) + 1;
		else if ((cfo_ave < -rtlpriv->dm.cfo_threshold) &&
			 rtlpriv->dm.crystal_cap > 0)
			adjust_xtal = ((cfo_ave + CFO_THRESHOLD_XTAL) >> 2) - 1;

		if (adjust_xtal != 0) {
			rtldm->is_freeze = 0;
			rtldm->crystal_cap += adjust_xtal;

			if (rtldm->crystal_cap > 0x3f)
				rtldm->crystal_cap = 0x3f;
			else if (rtldm->crystal_cap < 0)
				rtldm->crystal_cap = 0;

			crystal_cap = rtldm->crystal_cap & 0x3f;
			rtl_set_bbreg(hw, REG_MAC_PHY_CTRL, 0xFFF000,
				      (crystal_cap | (crystal_cap << 6)));
		}

		if (cfo_ave < CFO_THRESHOLD_ATC &&
		    cfo_ave > -CFO_THRESHOLD_ATC) {
			if (rtldm->atc_status == ATC_STATUS_ON) {
				rtl_set_bbreg(hw, ROFDM1_CFOTRACKING, BIT(11),
					      ATC_STATUS_OFF);
				rtldm->atc_status = ATC_STATUS_OFF;
			}
		} else {
			if (rtldm->atc_status == ATC_STATUS_OFF) {
				rtl_set_bbreg(hw, ROFDM1_CFOTRACKING, BIT(11),
					      ATC_STATUS_ON);
				rtldm->atc_status = ATC_STATUS_ON;
			}
		}
	}
}

static void rtl92ee_dm_init_txpower_tracking(struct ieee80211_hw *hw)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	struct rtl_dm *dm = rtl_dm(rtlpriv);
	u8 path;

	dm->btxpower_tracking = true;
	dm->default_ofdm_index = 30;
	dm->default_cck_index = 20;

	dm->bb_swing_idx_cck_base = dm->default_cck_index;
	dm->cck_index = dm->default_cck_index;

	for (path = RF90_PATH_A; path < MAX_RF_PATH; path++) {
		dm->bb_swing_idx_ofdm_base[path] = dm->default_ofdm_index;
		dm->ofdm_index[path] = dm->default_ofdm_index;
		dm->delta_power_index[path] = 0;
		dm->delta_power_index_last[path] = 0;
		dm->power_index_offset[path] = 0;
	}
}

void rtl92ee_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.b_useramask = true;
	else
		rtlpriv->dm.b_useramask = false;

	p_ra->ldpc_thres = 35;
	p_ra->use_ldpc = false;
	p_ra->high_rssi_thresh_for_ra = 50;
	p_ra->low_rssi_thresh_for_ra = 20;

}

static bool _rtl92ee_dm_ra_state_check(struct ieee80211_hw *hw,
				      s32 rssi, u8 *ratr_state)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	struct rate_adaptive *p_ra = &(rtlpriv->ra);
	const u8 go_up_gap = 5;
	u32 high_rssithresh_for_ra = p_ra->high_rssi_thresh_for_ra;
	u32 low_rssithresh_for_ra = p_ra->low_rssi_thresh_for_ra;
	u8 state;

	/* Threshold Adjustment:
	 * when RSSI state trends to go up one or two levels,
	 * make sure RSSI is high enough.
	 * Here GoUpGap is added to solve
	 * the boundary's level alternation issue.
	 */
	switch (*ratr_state) {
	case DM_RATR_STA_INIT:
	case DM_RATR_STA_HIGH:
			break;

	case DM_RATR_STA_MIDDLE:
			high_rssithresh_for_ra += go_up_gap;
			break;

	case DM_RATR_STA_LOW:
			high_rssithresh_for_ra += go_up_gap;
			low_rssithresh_for_ra += go_up_gap;
			break;

	default:
			RT_TRACE(COMP_RATR, DBG_DMESG,
				("wrong rssi level setting %d !", *ratr_state));
			break;
	}

	/* Decide RATRState by RSSI. */
	if (rssi > high_rssithresh_for_ra)
		state = DM_RATR_STA_HIGH;
	else if (rssi > low_rssithresh_for_ra)
		state = DM_RATR_STA_MIDDLE;
	else
		state = DM_RATR_STA_LOW;

	if (*ratr_state != state) {
		*ratr_state = state;
		return true;
	}

	return false;
}

static void rtl92ee_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);
	struct ieee80211_sta *sta = NULL;

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

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

	if (mac->link_state == MAC80211_LINKED &&
		mac->opmode == NL80211_IFTYPE_STATION) {

		if (rtlpriv->dm.undecorated_smoothed_pwdb < p_ra->ldpc_thres) {
			p_ra->use_ldpc = true;
			p_ra->lower_rts_rate = true;
		} else if (rtlpriv->dm.undecorated_smoothed_pwdb >
			   (p_ra->ldpc_thres - 5)) {
			p_ra->use_ldpc = false;
			p_ra->lower_rts_rate = false;
		}
		if (_rtl92ee_dm_ra_state_check(hw,
					rtlpriv->dm.undecorated_smoothed_pwdb,
					&(p_ra->ratr_state))) {

			rcu_read_lock();
			sta = rtl_find_sta(hw, mac->bssid);
			if (sta)
				rtlpriv->cfg->ops->update_rate_tbl(hw, sta,
							      p_ra->ratr_state);
			rcu_read_unlock();

			p_ra->pre_ratr_state = p_ra->ratr_state;
		}
	}
}

static void rtl92ee_dm_init_dynamic_atc_switch(struct ieee80211_hw *hw)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);

	rtlpriv->dm.crystal_cap = rtlpriv->efuse.crystalcap;

	rtlpriv->dm.atc_status = rtl_get_bbreg(hw, ROFDM1_CFOTRACKING, BIT(11));
	rtlpriv->dm.cfo_threshold = CFO_THRESHOLD_XTAL;
}

void rtl92ee_dm_init(struct ieee80211_hw *hw)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);

	rtlpriv->dm.dm_type = DM_TYPE_BYDRIVER;

	rtl92ee_dm_diginit(hw);
	rtl92ee_dm_init_rate_adaptive_mask(hw);
	rtl92ee_dm_init_primary_cca_check(hw);
	rtl92ee_dm_init_edca_turbo(hw);
	rtl92ee_dm_init_txpower_tracking(hw);
	rtl92ee_dm_init_dynamic_atc_switch(hw);
}

static void rtl92ee_dm_common_info_self_update(struct ieee80211_hw *hw)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	u8 cnt = 0;
	struct rtl_sta_info *drv_priv;

	rtlpriv->dm.b_one_entry_only = false;

	if (rtlpriv->mac80211.opmode == NL80211_IFTYPE_STATION &&
		rtlpriv->mac80211.link_state >= MAC80211_LINKED) {
		rtlpriv->dm.b_one_entry_only = true;
		return;
	}

	if (rtlpriv->mac80211.opmode == NL80211_IFTYPE_AP ||
	    rtlpriv->mac80211.opmode == NL80211_IFTYPE_ADHOC ||
	    rtlpriv->mac80211.opmode == NL80211_IFTYPE_MESH_POINT) {
		spin_lock_bh(&rtlpriv->locks.entry_list_lock);
		list_for_each_entry(drv_priv, &rtlpriv->entry_list, list) {
			cnt++;
		}
		spin_unlock_bh(&rtlpriv->locks.entry_list_lock);

		if (cnt == 1)
			rtlpriv->dm.b_one_entry_only = true;
	}
}

void rtl92ee_dm_dynamic_arfb_select(struct ieee80211_hw *hw,
				    u8 rate, bool collision_state)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);

	if (rate >= DESC92C_RATEMCS8  && rate <= DESC92C_RATEMCS12) {
		if (collision_state == 1) {
			if (rate == DESC92C_RATEMCS12) {
				rtl_write_dword(rtlpriv, REG_DARFRC, 0x0);
				rtl_write_dword(rtlpriv, REG_DARFRC + 4,
						0x07060501);
			} else if (rate == DESC92C_RATEMCS11) {
				rtl_write_dword(rtlpriv, REG_DARFRC, 0x0);
				rtl_write_dword(rtlpriv, REG_DARFRC + 4,
						0x07070605);
			} else if (rate == DESC92C_RATEMCS10) {
				rtl_write_dword(rtlpriv, REG_DARFRC, 0x0);
				rtl_write_dword(rtlpriv, REG_DARFRC + 4,
						0x08080706);
			} else if (rate == DESC92C_RATEMCS9) {
				rtl_write_dword(rtlpriv, REG_DARFRC, 0x0);
				rtl_write_dword(rtlpriv, REG_DARFRC + 4,
						0x08080707);
			} else {
				rtl_write_dword(rtlpriv, REG_DARFRC, 0x0);
				rtl_write_dword(rtlpriv, REG_DARFRC + 4,
						0x09090808);
			}
		} else {   /* collision_state == 0 */
			if (rate == DESC92C_RATEMCS12) {
				rtl_write_dword(rtlpriv, REG_DARFRC,
						0x05010000);
				rtl_write_dword(rtlpriv, REG_DARFRC + 4,
						0x09080706);
			} else if (rate == DESC92C_RATEMCS11) {
				rtl_write_dword(rtlpriv, REG_DARFRC,
						0x06050000);
				rtl_write_dword(rtlpriv, REG_DARFRC + 4,
						0x09080807);
			} else if (rate == DESC92C_RATEMCS10) {
				rtl_write_dword(rtlpriv, REG_DARFRC,
						0x07060000);
				rtl_write_dword(rtlpriv, REG_DARFRC + 4,
						0x0a090908);
			} else if (rate == DESC92C_RATEMCS9) {
				rtl_write_dword(rtlpriv, REG_DARFRC,
						0x07070000);
				rtl_write_dword(rtlpriv, REG_DARFRC + 4,
						0x0a090808);
			} else {
				rtl_write_dword(rtlpriv, REG_DARFRC,
						0x08080000);
				rtl_write_dword(rtlpriv, REG_DARFRC + 4,
						0x0b0a0909);
			}
		}
	} else {  /* MCS13~MCS15,  1SS, G-mode */
		if (collision_state == 1) {
			if (rate == DESC92C_RATEMCS15) {
				rtl_write_dword(rtlpriv, REG_DARFRC,
						0x00000000);
				rtl_write_dword(rtlpriv, REG_DARFRC + 4,
						0x05040302);
			} else if (rate == DESC92C_RATEMCS14) {
				rtl_write_dword(rtlpriv, REG_DARFRC,
						0x00000000);
				rtl_write_dword(rtlpriv, REG_DARFRC + 4,
						0x06050302);
			} else if (rate == DESC92C_RATEMCS13) {
				rtl_write_dword(rtlpriv, REG_DARFRC,
						0x00000000);
				rtl_write_dword(rtlpriv, REG_DARFRC + 4,
						0x07060502);
			} else {
				rtl_write_dword(rtlpriv, REG_DARFRC,
						0x00000000);
				rtl_write_dword(rtlpriv, REG_DARFRC + 4,
						0x06050402);
			}
		} else{   /* collision_state == 0 */
			if (rate == DESC92C_RATEMCS15) {
				rtl_write_dword(rtlpriv, REG_DARFRC,
						0x03020000);
				rtl_write_dword(rtlpriv, REG_DARFRC + 4,
						0x07060504);
			} else if (rate == DESC92C_RATEMCS14) {
				rtl_write_dword(rtlpriv, REG_DARFRC,
						0x03020000);
				rtl_write_dword(rtlpriv, REG_DARFRC + 4,
						0x08070605);
			} else if (rate == DESC92C_RATEMCS13) {
				rtl_write_dword(rtlpriv, REG_DARFRC,
						0x05020000);
				rtl_write_dword(rtlpriv, REG_DARFRC + 4,
						0x09080706);
			} else {
				rtl_write_dword(rtlpriv, REG_DARFRC,
						0x04020000);
				rtl_write_dword(rtlpriv, REG_DARFRC + 4,
						0x08070605);
			}
		}
	}
}

void rtl92ee_dm_watchdog(struct ieee80211_hw *hw)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
	bool b_fw_current_inpsmode = false;
	bool b_fw_ps_awake = true;

	rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_FW_PSMODE_STATUS,
				      (u8 *) (&b_fw_current_inpsmode));
	rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_FWLPS_RF_ON,
				      (u8 *) (&b_fw_ps_awake));
	if (ppsc->p2p_ps_info.p2p_ps_mode)
		b_fw_ps_awake = false;

	if ((ppsc->rfpwr_state == ERFON) &&
	    ((!b_fw_current_inpsmode) && b_fw_ps_awake) &&
	    (!ppsc->rfchange_inprogress)) {
		rtl92ee_dm_common_info_self_update(hw);
		rtl92ee_dm_false_alarm_counter_statistics(hw);
		rtl92ee_dm_check_rssi_monitor(hw);
		rtl92ee_dm_dig(hw);
		rtl92ee_dm_adaptivity(hw);
		rtl92ee_dm_cck_packet_detection_thresh(hw);
		rtl92ee_dm_refresh_rate_adaptive_mask(hw);
		rtl92ee_dm_check_edca_turbo(hw);
		rtl92ee_dm_dynamic_atc_switch(hw);
		rtl92ee_dm_dynamic_primary_cca_ckeck(hw);
	}
}