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 * The full GNU General Public License is included in this distribution in the 15 * file called LICENSE. 16 * 17 * Contact Information: 18 * wlanfae <wlanfae@realtek.com> 19 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park, 20 * Hsinchu 300, Taiwan. 21 * 22 * Larry Finger <Larry.Finger@lwfinger.net> 23 * 24 *****************************************************************************/ 25 26 #include "../wifi.h" 27 #include "../base.h" 28 #include "../pci.h" 29 #include "../core.h" 30 #include "reg.h" 31 #include "def.h" 32 #include "phy.h" 33 #include "dm.h" 34 #include "../rtl8192c/fw_common.h" 35 36 void rtl92ce_dm_dynamic_txpower(struct ieee80211_hw *hw) 37 { 38 struct rtl_priv *rtlpriv = rtl_priv(hw); 39 struct rtl_phy *rtlphy = &(rtlpriv->phy); 40 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 41 long undec_sm_pwdb; 42 43 if (!rtlpriv->dm.dynamic_txpower_enable) 44 return; 45 46 if (rtlpriv->dm.dm_flag & HAL_DM_HIPWR_DISABLE) { 47 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL; 48 return; 49 } 50 51 if ((mac->link_state < MAC80211_LINKED) && 52 (rtlpriv->dm.entry_min_undec_sm_pwdb == 0)) { 53 RT_TRACE(rtlpriv, COMP_POWER, DBG_TRACE, 54 "Not connected to any\n"); 55 56 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL; 57 58 rtlpriv->dm.last_dtp_lvl = TXHIGHPWRLEVEL_NORMAL; 59 return; 60 } 61 62 if (mac->link_state >= MAC80211_LINKED) { 63 if (mac->opmode == NL80211_IFTYPE_ADHOC) { 64 undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb; 65 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD, 66 "AP Client PWDB = 0x%lx\n", 67 undec_sm_pwdb); 68 } else { 69 undec_sm_pwdb = rtlpriv->dm.undec_sm_pwdb; 70 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD, 71 "STA Default Port PWDB = 0x%lx\n", 72 undec_sm_pwdb); 73 } 74 } else { 75 undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb; 76 77 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD, 78 "AP Ext Port PWDB = 0x%lx\n", 79 undec_sm_pwdb); 80 } 81 82 if (undec_sm_pwdb >= TX_POWER_NEAR_FIELD_THRESH_LVL2) { 83 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL1; 84 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD, 85 "TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x0)\n"); 86 } else if ((undec_sm_pwdb < (TX_POWER_NEAR_FIELD_THRESH_LVL2 - 3)) && 87 (undec_sm_pwdb >= TX_POWER_NEAR_FIELD_THRESH_LVL1)) { 88 89 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL1; 90 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD, 91 "TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x10)\n"); 92 } else if (undec_sm_pwdb < (TX_POWER_NEAR_FIELD_THRESH_LVL1 - 5)) { 93 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL; 94 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD, 95 "TXHIGHPWRLEVEL_NORMAL\n"); 96 } 97 98 if ((rtlpriv->dm.dynamic_txhighpower_lvl != rtlpriv->dm.last_dtp_lvl)) { 99 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD, 100 "PHY_SetTxPowerLevel8192S() Channel = %d\n", 101 rtlphy->current_channel); 102 rtl92c_phy_set_txpower_level(hw, rtlphy->current_channel); 103 } 104 105 rtlpriv->dm.last_dtp_lvl = rtlpriv->dm.dynamic_txhighpower_lvl; 106 } 107