1/****************************************************************************** 2 * 3 * Copyright(c) 2009-2012 Realtek Corporation. 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 "../pci.h" 33#include "reg.h" 34#include "def.h" 35#include "phy.h" 36#include "dm.h" 37#include "../rtl8192c/fw_common.h" 38 39void rtl92ce_dm_dynamic_txpower(struct ieee80211_hw *hw) 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 undec_sm_pwdb; 45 46 if (!rtlpriv->dm.dynamic_txpower_enable) 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_undec_sm_pwdb == 0)) { 56 RT_TRACE(rtlpriv, COMP_POWER, DBG_TRACE, 57 "Not connected to any\n"); 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 undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb; 68 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD, 69 "AP Client PWDB = 0x%lx\n", 70 undec_sm_pwdb); 71 } else { 72 undec_sm_pwdb = rtlpriv->dm.undec_sm_pwdb; 73 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD, 74 "STA Default Port PWDB = 0x%lx\n", 75 undec_sm_pwdb); 76 } 77 } else { 78 undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb; 79 80 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD, 81 "AP Ext Port PWDB = 0x%lx\n", 82 undec_sm_pwdb); 83 } 84 85 if (undec_sm_pwdb >= TX_POWER_NEAR_FIELD_THRESH_LVL2) { 86 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL1; 87 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD, 88 "TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x0)\n"); 89 } else if ((undec_sm_pwdb < (TX_POWER_NEAR_FIELD_THRESH_LVL2 - 3)) && 90 (undec_sm_pwdb >= TX_POWER_NEAR_FIELD_THRESH_LVL1)) { 91 92 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL1; 93 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD, 94 "TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x10)\n"); 95 } else if (undec_sm_pwdb < (TX_POWER_NEAR_FIELD_THRESH_LVL1 - 5)) { 96 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL; 97 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD, 98 "TXHIGHPWRLEVEL_NORMAL\n"); 99 } 100 101 if ((rtlpriv->dm.dynamic_txhighpower_lvl != rtlpriv->dm.last_dtp_lvl)) { 102 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD, 103 "PHY_SetTxPowerLevel8192S() Channel = %d\n", 104 rtlphy->current_channel); 105 rtl92c_phy_set_txpower_level(hw, rtlphy->current_channel); 106 } 107 108 rtlpriv->dm.last_dtp_lvl = rtlpriv->dm.dynamic_txhighpower_lvl; 109} 110