dm.c
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/******************************************************************************
*
* Copyright(c) 2009-2012 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 "../wifi.h"
#include "../base.h"
#include "reg.h"
#include "def.h"
#include "phy.h"
#include "dm.h"
void rtl92cu_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)) {
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) {
undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb;
RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
"AP Client PWDB = 0x%lx\n",
undec_sm_pwdb);
} else {
undec_sm_pwdb = rtlpriv->dm.undec_sm_pwdb;
RT_TRACE(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;
RT_TRACE(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;
RT_TRACE(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;
RT_TRACE(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;
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);
if (rtlpriv->dm.dynamic_txhighpower_lvl ==
TXHIGHPWRLEVEL_NORMAL)
dm_restorepowerindex(hw);
else if (rtlpriv->dm.dynamic_txhighpower_lvl ==
TXHIGHPWRLEVEL_LEVEL1)
dm_writepowerindex(hw, 0x14);
else if (rtlpriv->dm.dynamic_txhighpower_lvl ==
TXHIGHPWRLEVEL_LEVEL2)
dm_writepowerindex(hw, 0x10);
}
rtlpriv->dm.last_dtp_lvl = rtlpriv->dm.dynamic_txhighpower_lvl;
}