/******************************************************************************
 *
 * Copyright(c) 2007 - 2017  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 files
 ************************************************************/
#include "mp_precomp.h"
#include "phydm_precomp.h"

#ifdef CONFIG_DYNAMIC_TX_TWR

#ifdef BB_RAM_SUPPORT
void
phydm_2ndtype_dtp_init(void *dm_void)
{
	struct dm_struct *dm = (struct dm_struct *)dm_void;
	u8	pwr_offset_minus3, pwr_offset_minus7;
	/*@ 2's com, for offset 3dB and 7dB, which 1 step will be 0.25dB*/
	pwr_offset_minus3 = BIT(7) | 0x74;
	pwr_offset_minus7 = BIT(7) | 0x64;
	odm_set_bb_reg(dm, 0x1e70, 0x00ff0000, pwr_offset_minus3);
	odm_set_bb_reg(dm, 0x1e70, 0xff000000, pwr_offset_minus7);
};

void
phdm_2ndtype_rd_ram_pwr(void *dm_void,	u8	macid)
{
};

void
phdm_2ndtype_wt_ram_pwr(void *dm_void, u8	macid, boolean pwr_offset0_en,
			     boolean	pwr_offset1_en, s8 pwr_offset0, s8 pwr_offset1)
{
	u32 reg_io_0x1e84 = 0;
	struct dm_struct *dm = (struct dm_struct *)dm_void;
	struct phydm_bb_ram_per_sta *dm_ram_per_sta = NULL;
	dm_ram_per_sta = &dm->p_bb_ram_ctrl.pram_sta_ctrl[macid];
	dm_ram_per_sta->tx_pwr_offset0_en = pwr_offset0_en;
	dm_ram_per_sta->tx_pwr_offset1_en = pwr_offset1_en;
	dm_ram_per_sta->tx_pwr_offset0 = pwr_offset0;
	dm_ram_per_sta->tx_pwr_offset1 = pwr_offset1;
	reg_io_0x1e84 = (dm_ram_per_sta->hw_igi_en<<7) + dm_ram_per_sta->hw_igi;
	reg_io_0x1e84 |= (pwr_offset0_en<<15) + ((pwr_offset0&0x7f)<<8);
	reg_io_0x1e84 |= (pwr_offset1_en<<23) + ((pwr_offset1&0x7f)<<16);
	reg_io_0x1e84 |= (macid&0x3f)<<24;
	reg_io_0x1e84 |= BIT(30);
	odm_set_bb_reg(dm, 0x1e84, 0xffffffff, reg_io_0x1e84);
};

u8 phydm_pwr_lv_mapping_2ndtype(u8 tx_pwr_lv)
{
	if (tx_pwr_lv == tx_high_pwr_level_level3)
		/*PHYDM_2ND_OFFSET_MINUS_11DB;*/
		return PHYDM_2ND_OFFSET_MINUS_7DB;
	else if (tx_pwr_lv == tx_high_pwr_level_level2)
		return PHYDM_2ND_OFFSET_MINUS_7DB;
	else if (tx_pwr_lv == tx_high_pwr_level_level1)
		return PHYDM_2ND_OFFSET_MINUS_3DB;
	else
		return PHYDM_2ND_OFFSET_ZERO;
}

void phydm_dtp_fill_cmninfo_2ndtype(void *dm_void, u8 macid, u8 dtp_lvl)
{
	struct dm_struct *dm = (struct dm_struct *)dm_void;
	struct dtp_info *dtp = NULL;
	dtp = &dm->phydm_sta_info[macid]->dtp_stat;
	if (!(dm->support_ability & ODM_BB_DYNAMIC_TXPWR))
		return;
	dtp->dyn_tx_power = phydm_pwr_lv_mapping_2ndtype(dtp_lvl);
	PHYDM_DBG(dm, DBG_DYN_TXPWR,
		  "Fill cmninfo TxPwr: macid=(%d), PwrLv (%d)\n", macid,
		  dtp->dyn_tx_power);
	/* dyn_tx_power is 2 bit at 8822C/14B/98F/12F*/
}

#endif

boolean
phydm_check_rates(void *dm_void, u8 rate_idx)
{
	struct dm_struct *dm = (struct dm_struct *)dm_void;
	u32 check_rate_bitmap0 = 0x08080808; /* @check CCK11M, OFDM54M, MCS7, MCS15*/
	u32 check_rate_bitmap1 = 0x80200808; /* @check MCS23, MCS31, VHT1SS M9, VHT2SS M9*/
	u32 check_rate_bitmap2 = 0x00080200; /* @check VHT3SS M9, VHT4SS M9*/
	u32 bitmap_result;

#if (RTL8822B_SUPPORT == 1)
	if (dm->support_ic_type & ODM_RTL8822B) {
		check_rate_bitmap2 &= 0;
		check_rate_bitmap1 &= 0xfffff000;
		check_rate_bitmap0 &= 0x0fffffff;
	}
#endif

#if (RTL8197F_SUPPORT == 1)
	if (dm->support_ic_type & ODM_RTL8197F) {
		check_rate_bitmap2 &= 0;
		check_rate_bitmap1 &= 0;
		check_rate_bitmap0 &= 0x0fffffff;
	}
#endif

#if (RTL8192E_SUPPORT == 1)
	if (dm->support_ic_type & ODM_RTL8192E) {
		check_rate_bitmap2 &= 0;
		check_rate_bitmap1 &= 0;
		check_rate_bitmap0 &= 0x0fffffff;
	}
#endif

/*@jj add 20170822*/
#if (RTL8192F_SUPPORT == 1)
	if (dm->support_ic_type & ODM_RTL8192F) {
		check_rate_bitmap2 &= 0;
		check_rate_bitmap1 &= 0;
		check_rate_bitmap0 &= 0x0fffffff;
	}
#endif
#if (RTL8821C_SUPPORT == 1)
	if (dm->support_ic_type & ODM_RTL8821C) {
		check_rate_bitmap2 &= 0;
		check_rate_bitmap1 &= 0x003ff000;
		check_rate_bitmap0 &= 0x000fffff;
	}
#endif

	if (rate_idx >= 64)
		bitmap_result = BIT(rate_idx - 64) & check_rate_bitmap2;
	else if (rate_idx >= 32)
		bitmap_result = BIT(rate_idx - 32) & check_rate_bitmap1;
	else if (rate_idx <= 31)
		bitmap_result = BIT(rate_idx) & check_rate_bitmap0;

	if (bitmap_result != 0)
		return true;
	else
		return false;
}

enum rf_path
phydm_check_paths(void *dm_void)
{
	struct dm_struct *dm = (struct dm_struct *)dm_void;
	enum rf_path max_path = RF_PATH_A;

	if (dm->num_rf_path == 1)
		max_path = RF_PATH_A;
	if (dm->num_rf_path == 2)
		max_path = RF_PATH_B;
	if (dm->num_rf_path == 3)
		max_path = RF_PATH_C;
	if (dm->num_rf_path == 4)
		max_path = RF_PATH_D;

	return max_path;
}

#ifndef PHYDM_COMMON_API_SUPPORT
u8 phydm_dtp_get_txagc(void *dm_void, enum rf_path path, u8 hw_rate)
{
	struct dm_struct *dm = (struct dm_struct *)dm_void;
	u8 ret = 0xff;

#if (RTL8192E_SUPPORT == 1)
	ret = config_phydm_read_txagc_n(dm, path, hw_rate);
#endif
	return ret;
}
#endif

u8 phydm_search_min_power_index(void *dm_void)
{
	struct dm_struct *dm = (struct dm_struct *)dm_void;
	enum rf_path path;
	enum rf_path max_path;
	u8 min_gain_index = 0x3f;
	u8 gain_index;
	u8 rate_idx;

	PHYDM_DBG(dm, DBG_DYN_TXPWR, "%s\n", __func__);
	max_path = phydm_check_paths(dm);
	for (path = 0; path <= max_path; path++)
		for (rate_idx = 0; rate_idx < 84; rate_idx++)
			if (phydm_check_rates(dm, rate_idx)) {
#ifdef PHYDM_COMMON_API_SUPPORT
				/*This is for API support IC : 97F,8822B,92F,8821C*/
				gain_index = phydm_api_get_txagc(dm, path, rate_idx);
#else
				/*This is for API non-support IC : 92E */
				gain_index = phydm_dtp_get_txagc(dm, path, rate_idx);
#endif
				if (gain_index == 0xff) {
					min_gain_index = 0x20;
					PHYDM_DBG(dm, DBG_DYN_TXPWR, 
						"Error Gain idx!! Rewite to: ((%d))\n", min_gain_index);
					break;
				}
				PHYDM_DBG(dm, DBG_DYN_TXPWR,
					  "Support Rate: ((%d)) -> Gain idx: ((%d))\n",
					  rate_idx, gain_index);
				if (gain_index < min_gain_index)
					min_gain_index = gain_index;
			}

	return min_gain_index;
}

void phydm_dynamic_tx_power_init(void *dm_void)
{
	struct dm_struct *dm = (struct dm_struct *)dm_void;
	u8 i;
	dm->last_dtp_lvl = tx_high_pwr_level_normal;
	dm->dynamic_tx_high_power_lvl = tx_high_pwr_level_normal;
	for (i = 0; i < 3; i++) {
		dm->enhance_pwr_th[i] = 0xff;
	}
	dm->set_pwr_th[0] = TX_POWER_NEAR_FIELD_THRESH_LVL1;
	dm->set_pwr_th[1] = TX_POWER_NEAR_FIELD_THRESH_LVL2;
	dm->set_pwr_th[2] = 0xff;
	dm->min_power_index = phydm_search_min_power_index(dm);
	PHYDM_DBG(dm, DBG_DYN_TXPWR, "DTP init: Min Gain idx: ((%d))\n",
		  dm->min_power_index);
}

void phydm_noisy_enhance_hp_th(void *dm_void, u8 noisy_state)
{
	struct dm_struct *dm = (struct dm_struct *)dm_void;
	if (noisy_state == 0) {
		dm->enhance_pwr_th[0] = dm->set_pwr_th[0];
		dm->enhance_pwr_th[1] = dm->set_pwr_th[1];
		dm->enhance_pwr_th[2] = dm->set_pwr_th[2];
	} else {
		dm->enhance_pwr_th[0] = dm->set_pwr_th[0] + 8;
		dm->enhance_pwr_th[1] = dm->set_pwr_th[1] + 5;
		dm->enhance_pwr_th[2] = dm->set_pwr_th[2];
	}
	PHYDM_DBG(dm, DBG_DYN_TXPWR,
		  "DTP hp_th: Lv1_th =%d ,Lv2_th = %d ,Lv3_th = %d\n",
		  dm->enhance_pwr_th[0], dm->enhance_pwr_th[1],
		  dm->enhance_pwr_th[2]);
}

u8 phydm_pwr_lvl_check(void *dm_void, u8 input_rssi)
{
	struct dm_struct *dm = (struct dm_struct *)dm_void;
	u8 th0,th1,th2;
	th2 = dm->enhance_pwr_th[2];
	th1 = dm->enhance_pwr_th[1];
	th0 = dm->enhance_pwr_th[0];
	if (input_rssi >= th2)
		return tx_high_pwr_level_level3;
	else if (input_rssi < (th2 - 3) && input_rssi >= th1)
		return tx_high_pwr_level_level2;
	else if (input_rssi < (th1 - 3) && input_rssi >= th0)
		return tx_high_pwr_level_level1;
	else if (input_rssi < (th0 - 3))
		return tx_high_pwr_level_normal;
	else
		return tx_high_pwr_level_unchange;
}

u8 phydm_pwr_lv_mapping(u8 tx_pwr_lv)
{
	if (tx_pwr_lv == tx_high_pwr_level_level3)
		return PHYDM_OFFSET_MINUS_11DB;
	else if (tx_pwr_lv == tx_high_pwr_level_level2)
		return PHYDM_OFFSET_MINUS_7DB;
	else if (tx_pwr_lv == tx_high_pwr_level_level1)
		return PHYDM_OFFSET_MINUS_3DB;
	else
		return PHYDM_OFFSET_ZERO;
}

void phydm_dynamic_response_power(void *dm_void)
{
	struct dm_struct *dm = (struct dm_struct *)dm_void;
	u8 rpwr;
	if (!(dm->support_ability & ODM_BB_DYNAMIC_TXPWR))
		return;
	if (dm->dynamic_tx_high_power_lvl == tx_high_pwr_level_unchange) {
		dm->dynamic_tx_high_power_lvl = dm->last_dtp_lvl;
		PHYDM_DBG(dm, DBG_DYN_TXPWR, "RespPwr not change\n");
		return;
	}

	PHYDM_DBG(dm, DBG_DYN_TXPWR,
		  "RespPwr update_DTP_lv: ((%d)) -> ((%d))\n", dm->last_dtp_lvl,
		  dm->dynamic_tx_high_power_lvl);
	dm->last_dtp_lvl = dm->dynamic_tx_high_power_lvl;
	rpwr = phydm_pwr_lv_mapping(dm->dynamic_tx_high_power_lvl);
	odm_set_mac_reg(dm, ODM_REG_RESP_TX_11AC, BIT(20) | BIT(19) | BIT(18), rpwr);
	PHYDM_DBG(dm, DBG_DYN_TXPWR, "RespPwr Set TxPwr: Lv (%d)\n",
		  dm->dynamic_tx_high_power_lvl);
}

void phydm_dtp_fill_cmninfo(void *dm_void, u8 macid, u8 dtp_lvl)
{
	struct dm_struct *dm = (struct dm_struct *)dm_void;
	struct dtp_info *dtp = NULL;
	dtp = &dm->phydm_sta_info[macid]->dtp_stat;
	if (!(dm->support_ability & ODM_BB_DYNAMIC_TXPWR))
		return;
	dtp->dyn_tx_power = phydm_pwr_lv_mapping(dtp_lvl);
	PHYDM_DBG(dm, DBG_DYN_TXPWR,
		  "Fill cmninfo TxPwr: macid=(%d), PwrLv (%d)\n", macid,
		  dtp->dyn_tx_power);
}

void phydm_dtp_per_sta(void *dm_void, u8 macid)
{
	struct dm_struct *dm = (struct dm_struct *)dm_void;
	struct cmn_sta_info *sta = dm->phydm_sta_info[macid];
	struct dtp_info *dtp = NULL;
	struct rssi_info *rssi = NULL;
	if (is_sta_active(sta)) {
		dtp = &sta->dtp_stat;
		rssi = &sta->rssi_stat;
		dtp->sta_tx_high_power_lvl = phydm_pwr_lvl_check(dm, rssi->rssi);
		PHYDM_DBG(dm, DBG_DYN_TXPWR,
			  "STA=%d , RSSI: %d , GetPwrLv: %d\n", macid,
			  rssi->rssi, dtp->sta_tx_high_power_lvl);
		if (dtp->sta_tx_high_power_lvl == tx_high_pwr_level_unchange 
			|| dtp->sta_tx_high_power_lvl == dtp->sta_last_dtp_lvl) {
			dtp->sta_tx_high_power_lvl = dtp->sta_last_dtp_lvl;
			PHYDM_DBG(dm, DBG_DYN_TXPWR,
				  "DTP_lv not change: ((%d))\n",
				  dtp->sta_tx_high_power_lvl);
			return;
		}

		PHYDM_DBG(dm, DBG_DYN_TXPWR,
			  "DTP_lv update: ((%d)) -> ((%d))\n", dm->last_dtp_lvl,
			  dm->dynamic_tx_high_power_lvl);
		dtp->sta_last_dtp_lvl = dtp->sta_tx_high_power_lvl;
#ifdef BB_RAM_SUPPORT
		phydm_dtp_fill_cmninfo_2ndtype(dm, macid, dtp->sta_tx_high_power_lvl);
#else
		phydm_dtp_fill_cmninfo(dm, macid, dtp->sta_tx_high_power_lvl);
#endif
	}
}


void odm_set_dyntxpwr(void *dm_void, u8 *desc, u8 macid)
{
	struct dm_struct *dm = (struct dm_struct *)dm_void;
	struct dtp_info *dtp = NULL;
	dtp = &dm->phydm_sta_info[macid]->dtp_stat;
	if (!(dm->support_ability & ODM_BB_DYNAMIC_TXPWR))
		return;
	if (dm->fill_desc_dyntxpwr)
		dm->fill_desc_dyntxpwr(dm, desc, dtp->dyn_tx_power);
	else
		PHYDM_DBG(dm, DBG_DYN_TXPWR,
			  "%s: fill_desc_dyntxpwr is null!\n", __func__);
	if (dtp->last_tx_power != dtp->dyn_tx_power) {
		PHYDM_DBG(dm, DBG_DYN_TXPWR,
			  "%s: last_offset=%d, txpwr_offset=%d\n", __func__,
			  dtp->last_tx_power, dtp->dyn_tx_power);
		dtp->last_tx_power = dtp->dyn_tx_power;
	}
}

void phydm_dtp_debug(void *dm_void, char input[][16], u32 *_used, char *output,
			     u32 *_out_len)
{
	u32 used = *_used;
	u32 out_len = *_out_len;

	struct dm_struct *dm = (struct dm_struct *)dm_void;
	char help[] = "-h";
	u32 var1[3] = {0};
	u8 set_pwr_th1, set_pwr_th2, set_pwr_th3;
	u8 i;

	if ((strcmp(input[1], help) == 0)) {
		PDM_SNPF(out_len, used, output + used, out_len - used,
			 "{DynTxPwr} {TH1 TH2 TH3}\n");
	} else {
		for (i = 0; i < 3; i++) {
			if (input[i + 1])
				PHYDM_SSCANF(input[i + 1], DCMD_HEX, &var1[i]);
		}
		for (i = 0; i < 3; i++)
			if (var1[i] == 0 || var1[i] > 100)
				dm->set_pwr_th[i] = 0xff;
			else
				dm->set_pwr_th[i] = (u8)var1[i];
		PDM_SNPF(out_len, used, output + used, out_len - used,
			 "Phydm Set DTP : TH1 = (( 0x%x)), TH2 = (( 0x%x)), TH3 = (( 0x%x))\n",
			 dm->set_pwr_th[0], dm->set_pwr_th[1],
			 dm->set_pwr_th[2]);
	}
	*_used = used;
	*_out_len = out_len;
}


void phydm_dynamic_tx_power(void *dm_void)
{

	struct dm_struct *dm = (struct dm_struct *)dm_void;
	struct cmn_sta_info *sta = NULL;
	u8 i;
	u8 cnt = 0;
	u8 rssi_min = dm->rssi_min;
	u8 rssi_tmp = 0;

	if (!(dm->support_ability & ODM_BB_DYNAMIC_TXPWR))
		return;

	PHYDM_DBG(dm, DBG_DYN_TXPWR,
		  "[%s] RSSI_min = %d, Noisy_dec = %d\n", __func__, rssi_min,
		  dm->noisy_decision);
	phydm_noisy_enhance_hp_th(dm, dm->noisy_decision);
#ifndef BB_RAM_SUPPORT
	/* Response Power */
	dm->dynamic_tx_high_power_lvl = phydm_pwr_lvl_check(dm, rssi_min);
	phydm_dynamic_response_power(dm);
#endif /* #ifndef BB_RAM_SUPPORT */
	/* Per STA Tx power */
	for (i = 0; i < ODM_ASSOCIATE_ENTRY_NUM; i++) {
		phydm_dtp_per_sta(dm, i);
		cnt++;
		if (cnt >= dm->number_linked_client)
			break;
	}
}
#if (DM_ODM_SUPPORT_TYPE == ODM_WIN)

void phydm_dynamic_tx_power_init_win(void *dm_void)
{
	struct dm_struct *dm = (struct dm_struct *)dm_void;
	void *adapter = dm->adapter;
	PMGNT_INFO mgnt_info = &((PADAPTER)adapter)->MgntInfo;
	HAL_DATA_TYPE *hal_data = GET_HAL_DATA((PADAPTER)adapter);

	mgnt_info->bDynamicTxPowerEnable = false;

	#if DEV_BUS_TYPE == RT_USB_INTERFACE
	if (RT_GetInterfaceSelection((PADAPTER)adapter) ==
	    INTF_SEL1_USB_High_Power) {
		mgnt_info->bDynamicTxPowerEnable = true;
	}
	#endif

	hal_data->LastDTPLvl = tx_high_pwr_level_normal;
	hal_data->DynamicTxHighPowerLvl = tx_high_pwr_level_normal;

	PHYDM_DBG(dm, DBG_DYN_TXPWR, "[%s] DTP=%d\n", __func__,
		  mgnt_info->bDynamicTxPowerEnable);
}

void phydm_dynamic_tx_power_win(void *dm_void)
{
	struct dm_struct *dm = (struct dm_struct *)dm_void;

	if (!(dm->support_ability & ODM_BB_DYNAMIC_TXPWR))
		return;

	#if (RTL8814A_SUPPORT == 1)
	if (dm->support_ic_type == ODM_RTL8814A)
		odm_dynamic_tx_power_8814a(dm);
	#endif

	#if (RTL8821A_SUPPORT == 1)
	if (dm->support_ic_type & ODM_RTL8821) {
		void *adapter = dm->adapter;
		PMGNT_INFO mgnt_info = GetDefaultMgntInfo((PADAPTER)adapter);

		if (mgnt_info->RegRspPwr == 1) {
			if (dm->rssi_min > 60) {
				/*Resp TXAGC offset = -3dB*/
				odm_set_mac_reg(dm, 0x6d8, 0x1C0000, 1);
			} else if (dm->rssi_min < 55) {
				/*Resp TXAGC offset = 0dB*/
				odm_set_mac_reg(dm, 0x6d8, 0x1C0000, 0);
			}
		}
	}
	#endif
}
#endif /*@#if (DM_ODM_SUPPORT_TYPE == ODM_WIN)*/
#endif /* @#ifdef CONFIG_DYNAMIC_TX_TWR */
