| /****************************************************************************** |
| * |
| * Copyright(c) 2009-2010 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 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; |
| } |