dm.c

// SPDX-License-Identifier: GPL-2.0
/* Copyright( c ) 2009-2012  Realtek Corporation.*/

#include "../wifi.h"
#include "../base.h"
#include "../pci.h"
#include "../core.h"
#include "reg.h"
#include "def.h"
#include "phy.h"
#include "dm.h"
#include "../rtl8192c/fw_common.h"

void rtl92ce_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 undec_sm_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_undec_sm_pwdb == 0 ) ) {
		rtl_dbg( 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 ) {
			undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb;
			rtl_dbg( rtlpriv, COMP_POWER, DBG_LOUD,
				"AP Client PWDB = 0x%lx\n",
				undec_sm_pwdb );
		} else {
			undec_sm_pwdb = rtlpriv->dm.undec_sm_pwdb;
			rtl_dbg( rtlpriv, COMP_POWER, DBG_LOUD,
				"STA Default Port PWDB = 0x%lx\n",
				undec_sm_pwdb );
		}
	} else {
		undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb;

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

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

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

	if ( ( rtlpriv->dm.dynamic_txhighpower_lvl != rtlpriv->dm.last_dtp_lvl ) ) {
		rtl_dbg( 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;
}