[deliverable/linux.git] / drivers / net / wireless / realtek / rtlwifi / rtl8192cu / dm.c

/******************************************************************************
 *
 * 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;
}
Commit	Line	Data
442888c7 G	1	/******************************************************************************
442888c7 G	2	*
c1d6604d	3	* Copyright(c) 2009-2012 Realtek Corporation.
442888c7 G	4	*
	5	* This program is free software; you can redistribute it and/or modify it
	6	* under the terms of version 2 of the GNU General Public License as
	7	* published by the Free Software Foundation.
	8	*
	9	* This program is distributed in the hope that it will be useful, but WITHOUT
	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
	12	* more details.
	13	*
	14	* You should have received a copy of the GNU General Public License along with
	15	* this program; if not, write to the Free Software Foundation, Inc.,
	16	* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
	17	*
	18	* The full GNU General Public License is included in this distribution in the
	19	* file called LICENSE.
	20	*
	21	* Contact Information:
	22	* wlanfae <wlanfae@realtek.com>
	23	* Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
	24	* Hsinchu 300, Taiwan.
	25	*
	26	* Larry Finger <Larry.Finger@lwfinger.net>
	27	*
	28	*****************************************************************************/
	29
	30	#include "../wifi.h"
	31	#include "../base.h"
	32	#include "reg.h"
	33	#include "def.h"
	34	#include "phy.h"
	35	#include "dm.h"
442888c7	36
1472d3a8	37	void rtl92cu_dm_dynamic_txpower(struct ieee80211_hw *hw)
442888c7 G	38	{
	39	struct rtl_priv *rtlpriv = rtl_priv(hw);
	40	struct rtl_phy *rtlphy = &(rtlpriv->phy);
	41	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
da17fcff	42	long undec_sm_pwdb;
442888c7 G	43
	44	if (!rtlpriv->dm.dynamic_txpower_enable)
	45	return;
	46
	47	if (rtlpriv->dm.dm_flag & HAL_DM_HIPWR_DISABLE) {
	48	rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
	49	return;
	50	}
	51
	52	if ((mac->link_state < MAC80211_LINKED) &&
da17fcff	53	(rtlpriv->dm.entry_min_undec_sm_pwdb == 0)) {
442888c7	54	RT_TRACE(rtlpriv, COMP_POWER, DBG_TRACE,
f30d7507	55	"Not connected to any\n");
442888c7 G	56
	57	rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
	58
	59	rtlpriv->dm.last_dtp_lvl = TXHIGHPWRLEVEL_NORMAL;
	60	return;
	61	}
	62
	63	if (mac->link_state >= MAC80211_LINKED) {
	64	if (mac->opmode == NL80211_IFTYPE_ADHOC) {
da17fcff	65	undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb;
442888c7	66	RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
f30d7507	67	"AP Client PWDB = 0x%lx\n",
da17fcff	68	undec_sm_pwdb);
442888c7	69	} else {
da17fcff	70	undec_sm_pwdb = rtlpriv->dm.undec_sm_pwdb;
442888c7	71	RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
f30d7507	72	"STA Default Port PWDB = 0x%lx\n",
da17fcff	73	undec_sm_pwdb);
442888c7 G	74	}
442888c7 G	75	} else {
da17fcff	76	undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb;
442888c7 G	77
442888c7 G	78	RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
f30d7507	79	"AP Ext Port PWDB = 0x%lx\n",
da17fcff	80	undec_sm_pwdb);
442888c7 G	81	}
442888c7 G	82
da17fcff	83	if (undec_sm_pwdb >= TX_POWER_NEAR_FIELD_THRESH_LVL2) {
442888c7 G	84	rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL1;
442888c7 G	85	RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
f30d7507	86	"TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x0)\n");
da17fcff LF	87	} else if ((undec_sm_pwdb < (TX_POWER_NEAR_FIELD_THRESH_LVL2 - 3)) &&
da17fcff LF	88	(undec_sm_pwdb >= TX_POWER_NEAR_FIELD_THRESH_LVL1)) {
442888c7 G	89
	90	rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL1;
	91	RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
f30d7507	92	"TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x10)\n");
da17fcff	93	} else if (undec_sm_pwdb < (TX_POWER_NEAR_FIELD_THRESH_LVL1 - 5)) {
442888c7 G	94	rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
442888c7 G	95	RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
f30d7507	96	"TXHIGHPWRLEVEL_NORMAL\n");
442888c7 G	97	}
	98
	99	if ((rtlpriv->dm.dynamic_txhighpower_lvl != rtlpriv->dm.last_dtp_lvl)) {
	100	RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
f30d7507 JP	101	"PHY_SetTxPowerLevel8192S() Channel = %d\n",
f30d7507 JP	102	rtlphy->current_channel);
442888c7	103	rtl92c_phy_set_txpower_level(hw, rtlphy->current_channel);
9806eacf LF	104	if (rtlpriv->dm.dynamic_txhighpower_lvl ==
	105	TXHIGHPWRLEVEL_NORMAL)
	106	dm_restorepowerindex(hw);
	107	else if (rtlpriv->dm.dynamic_txhighpower_lvl ==
	108	TXHIGHPWRLEVEL_LEVEL1)
	109	dm_writepowerindex(hw, 0x14);
	110	else if (rtlpriv->dm.dynamic_txhighpower_lvl ==
	111	TXHIGHPWRLEVEL_LEVEL2)
	112	dm_writepowerindex(hw, 0x10);
442888c7 G	113	}
	114
	115	rtlpriv->dm.last_dtp_lvl = rtlpriv->dm.dynamic_txhighpower_lvl;
	116	}