[deliverable/linux.git] / drivers / net / wireless / realtek / rtlwifi / rtl8192ce / 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 "../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)) {
		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);
	}

	rtlpriv->dm.last_dtp_lvl = rtlpriv->dm.dynamic_txhighpower_lvl;
}
Commit	Line	Data
0c817338 LF	1	/******************************************************************************
0c817338 LF	2	*
9003a4ab	3	* Copyright(c) 2009-2012 Realtek Corporation.
0c817338 LF	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"
2b8359f8	32	#include "../pci.h"
6f8214b6	33	#include "../core.h"
5c405b5c JL	34	#include "reg.h"
	35	#include "def.h"
	36	#include "phy.h"
	37	#include "dm.h"
2b8359f8	38	#include "../rtl8192c/fw_common.h"
0c817338	39
1472d3a8	40	void rtl92ce_dm_dynamic_txpower(struct ieee80211_hw *hw)
0c817338 LF	41	{
	42	struct rtl_priv *rtlpriv = rtl_priv(hw);
	43	struct rtl_phy *rtlphy = &(rtlpriv->phy);
	44	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
da17fcff	45	long undec_sm_pwdb;
0c817338	46
7ea47240	47	if (!rtlpriv->dm.dynamic_txpower_enable)
0c817338 LF	48	return;
	49
	50	if (rtlpriv->dm.dm_flag & HAL_DM_HIPWR_DISABLE) {
	51	rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
	52	return;
	53	}
	54
	55	if ((mac->link_state < MAC80211_LINKED) &&
da17fcff	56	(rtlpriv->dm.entry_min_undec_sm_pwdb == 0)) {
0c817338	57	RT_TRACE(rtlpriv, COMP_POWER, DBG_TRACE,
f30d7507	58	"Not connected to any\n");
0c817338 LF	59
	60	rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
	61
	62	rtlpriv->dm.last_dtp_lvl = TXHIGHPWRLEVEL_NORMAL;
	63	return;
	64	}
	65
	66	if (mac->link_state >= MAC80211_LINKED) {
	67	if (mac->opmode == NL80211_IFTYPE_ADHOC) {
da17fcff	68	undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb;
0c817338	69	RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
f30d7507	70	"AP Client PWDB = 0x%lx\n",
da17fcff	71	undec_sm_pwdb);
0c817338	72	} else {
da17fcff	73	undec_sm_pwdb = rtlpriv->dm.undec_sm_pwdb;
0c817338	74	RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
f30d7507	75	"STA Default Port PWDB = 0x%lx\n",
da17fcff	76	undec_sm_pwdb);
0c817338 LF	77	}
0c817338 LF	78	} else {
da17fcff	79	undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb;
0c817338 LF	80
0c817338 LF	81	RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
f30d7507	82	"AP Ext Port PWDB = 0x%lx\n",
da17fcff	83	undec_sm_pwdb);
0c817338 LF	84	}
0c817338 LF	85
da17fcff	86	if (undec_sm_pwdb >= TX_POWER_NEAR_FIELD_THRESH_LVL2) {
0c817338 LF	87	rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL1;
0c817338 LF	88	RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
f30d7507	89	"TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x0)\n");
da17fcff LF	90	} else if ((undec_sm_pwdb < (TX_POWER_NEAR_FIELD_THRESH_LVL2 - 3)) &&
da17fcff LF	91	(undec_sm_pwdb >= TX_POWER_NEAR_FIELD_THRESH_LVL1)) {
0c817338 LF	92
	93	rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL1;
	94	RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
f30d7507	95	"TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x10)\n");
da17fcff	96	} else if (undec_sm_pwdb < (TX_POWER_NEAR_FIELD_THRESH_LVL1 - 5)) {
0c817338 LF	97	rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
0c817338 LF	98	RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
f30d7507	99	"TXHIGHPWRLEVEL_NORMAL\n");
0c817338 LF	100	}
	101
	102	if ((rtlpriv->dm.dynamic_txhighpower_lvl != rtlpriv->dm.last_dtp_lvl)) {
	103	RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
f30d7507 JP	104	"PHY_SetTxPowerLevel8192S() Channel = %d\n",
f30d7507 JP	105	rtlphy->current_channel);
0c817338 LF	106	rtl92c_phy_set_txpower_level(hw, rtlphy->current_channel);
	107	}
	108
	109	rtlpriv->dm.last_dtp_lvl = rtlpriv->dm.dynamic_txhighpower_lvl;
	110	}