[mirror_ubuntu-zesty-kernel.git] / drivers / net / wireless / 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 "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 undecorated_smoothed_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_undecoratedsmoothed_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) {
			undecorated_smoothed_pwdb =
			    rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb;
			RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
				 "AP Client PWDB = 0x%lx\n",
				 undecorated_smoothed_pwdb);
		} else {
			undecorated_smoothed_pwdb =
			    rtlpriv->dm.undecorated_smoothed_pwdb;
			RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
				 "STA Default Port PWDB = 0x%lx\n",
				 undecorated_smoothed_pwdb);
		}
	} else {
		undecorated_smoothed_pwdb =
		    rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb;

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

	if (undecorated_smoothed_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 ((undecorated_smoothed_pwdb <
		    (TX_POWER_NEAR_FIELD_THRESH_LVL2 - 3)) &&
		   (undecorated_smoothed_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 (undecorated_smoothed_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"
5c405b5c JL	33	#include "reg.h"
	34	#include "def.h"
	35	#include "phy.h"
	36	#include "dm.h"
2b8359f8	37	#include "../rtl8192c/fw_common.h"
0c817338	38
1472d3a8	39	void rtl92ce_dm_dynamic_txpower(struct ieee80211_hw *hw)
0c817338 LF	40	{
	41	struct rtl_priv *rtlpriv = rtl_priv(hw);
	42	struct rtl_phy *rtlphy = &(rtlpriv->phy);
	43	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
	44	long undecorated_smoothed_pwdb;
	45
7ea47240	46	if (!rtlpriv->dm.dynamic_txpower_enable)
0c817338 LF	47	return;
	48
	49	if (rtlpriv->dm.dm_flag & HAL_DM_HIPWR_DISABLE) {
	50	rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
	51	return;
	52	}
	53
	54	if ((mac->link_state < MAC80211_LINKED) &&
	55	(rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb == 0)) {
	56	RT_TRACE(rtlpriv, COMP_POWER, DBG_TRACE,
f30d7507	57	"Not connected to any\n");
0c817338 LF	58
	59	rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
	60
	61	rtlpriv->dm.last_dtp_lvl = TXHIGHPWRLEVEL_NORMAL;
	62	return;
	63	}
	64
	65	if (mac->link_state >= MAC80211_LINKED) {
	66	if (mac->opmode == NL80211_IFTYPE_ADHOC) {
	67	undecorated_smoothed_pwdb =
	68	rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb;
	69	RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
f30d7507 JP	70	"AP Client PWDB = 0x%lx\n",
f30d7507 JP	71	undecorated_smoothed_pwdb);
0c817338 LF	72	} else {
	73	undecorated_smoothed_pwdb =
	74	rtlpriv->dm.undecorated_smoothed_pwdb;
	75	RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
f30d7507 JP	76	"STA Default Port PWDB = 0x%lx\n",
f30d7507 JP	77	undecorated_smoothed_pwdb);
0c817338 LF	78	}
	79	} else {
	80	undecorated_smoothed_pwdb =
	81	rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb;
	82
	83	RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
f30d7507 JP	84	"AP Ext Port PWDB = 0x%lx\n",
f30d7507 JP	85	undecorated_smoothed_pwdb);
0c817338 LF	86	}
	87
	88	if (undecorated_smoothed_pwdb >= TX_POWER_NEAR_FIELD_THRESH_LVL2) {
	89	rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL1;
	90	RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
f30d7507	91	"TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x0)\n");
0c817338 LF	92	} else if ((undecorated_smoothed_pwdb <
	93	(TX_POWER_NEAR_FIELD_THRESH_LVL2 - 3)) &&
	94	(undecorated_smoothed_pwdb >=
	95	TX_POWER_NEAR_FIELD_THRESH_LVL1)) {
	96
	97	rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL1;
	98	RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
f30d7507	99	"TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x10)\n");
0c817338 LF	100	} else if (undecorated_smoothed_pwdb <
	101	(TX_POWER_NEAR_FIELD_THRESH_LVL1 - 5)) {
	102	rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
	103	RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
f30d7507	104	"TXHIGHPWRLEVEL_NORMAL\n");
0c817338 LF	105	}
	106
	107	if ((rtlpriv->dm.dynamic_txhighpower_lvl != rtlpriv->dm.last_dtp_lvl)) {
	108	RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
f30d7507 JP	109	"PHY_SetTxPowerLevel8192S() Channel = %d\n",
f30d7507 JP	110	rtlphy->current_channel);
0c817338 LF	111	rtl92c_phy_set_txpower_level(hw, rtlphy->current_channel);
	112	}
	113
	114	rtlpriv->dm.last_dtp_lvl = rtlpriv->dm.dynamic_txhighpower_lvl;
	115	}