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 "../core.h" 34 #include "reg.h" 35 #include "def.h" 36 #include "phy.h" 37 #include "dm.h" 38 #include "../rtl8192c/fw_common.h" 39 40 void rtl92ce_dm_dynamic_txpower(struct ieee80211_hw *hw) 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)); 45 long undec_sm_pwdb; 46 47 if (!rtlpriv->dm.dynamic_txpower_enable) 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) && 56 (rtlpriv->dm.entry_min_undec_sm_pwdb == 0)) { 57 RT_TRACE(rtlpriv, COMP_POWER, DBG_TRACE, 58 "Not connected to any\n"); 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) { 68 undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb; 69 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD, 70 "AP Client PWDB = 0x%lx\n", 71 undec_sm_pwdb); 72 } else { 73 undec_sm_pwdb = rtlpriv->dm.undec_sm_pwdb; 74 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD, 75 "STA Default Port PWDB = 0x%lx\n", 76 undec_sm_pwdb); 77 } 78 } else { 79 undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb; 80 81 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD, 82 "AP Ext Port PWDB = 0x%lx\n", 83 undec_sm_pwdb); 84 } 85 86 if (undec_sm_pwdb >= TX_POWER_NEAR_FIELD_THRESH_LVL2) { 87 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL1; 88 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD, 89 "TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x0)\n"); 90 } else if ((undec_sm_pwdb < (TX_POWER_NEAR_FIELD_THRESH_LVL2 - 3)) && 91 (undec_sm_pwdb >= TX_POWER_NEAR_FIELD_THRESH_LVL1)) { 92 93 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL1; 94 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD, 95 "TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x10)\n"); 96 } else if (undec_sm_pwdb < (TX_POWER_NEAR_FIELD_THRESH_LVL1 - 5)) { 97 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL; 98 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD, 99 "TXHIGHPWRLEVEL_NORMAL\n"); 100 } 101 102 if ((rtlpriv->dm.dynamic_txhighpower_lvl != rtlpriv->dm.last_dtp_lvl)) { 103 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD, 104 "PHY_SetTxPowerLevel8192S() Channel = %d\n", 105 rtlphy->current_channel); 106 rtl92c_phy_set_txpower_level(hw, rtlphy->current_channel); 107 } 108 109 rtlpriv->dm.last_dtp_lvl = rtlpriv->dm.dynamic_txhighpower_lvl; 110 } 111