1 // SPDX-License-Identifier: GPL-2.0 2 /* Copyright(c) 2009-2012 Realtek Corporation.*/ 3 4 #include "../wifi.h" 5 #include "../base.h" 6 #include "../pci.h" 7 #include "../core.h" 8 #include "reg.h" 9 #include "def.h" 10 #include "phy.h" 11 #include "dm.h" 12 #include "../rtl8192c/fw_common.h" 13 14 void rtl92ce_dm_dynamic_txpower(struct ieee80211_hw *hw) 15 { 16 struct rtl_priv *rtlpriv = rtl_priv(hw); 17 struct rtl_phy *rtlphy = &(rtlpriv->phy); 18 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 19 long undec_sm_pwdb; 20 21 if (!rtlpriv->dm.dynamic_txpower_enable) 22 return; 23 24 if (rtlpriv->dm.dm_flag & HAL_DM_HIPWR_DISABLE) { 25 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL; 26 return; 27 } 28 29 if ((mac->link_state < MAC80211_LINKED) && 30 (rtlpriv->dm.entry_min_undec_sm_pwdb == 0)) { 31 RT_TRACE(rtlpriv, COMP_POWER, DBG_TRACE, 32 "Not connected to any\n"); 33 34 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL; 35 36 rtlpriv->dm.last_dtp_lvl = TXHIGHPWRLEVEL_NORMAL; 37 return; 38 } 39 40 if (mac->link_state >= MAC80211_LINKED) { 41 if (mac->opmode == NL80211_IFTYPE_ADHOC) { 42 undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb; 43 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD, 44 "AP Client PWDB = 0x%lx\n", 45 undec_sm_pwdb); 46 } else { 47 undec_sm_pwdb = rtlpriv->dm.undec_sm_pwdb; 48 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD, 49 "STA Default Port PWDB = 0x%lx\n", 50 undec_sm_pwdb); 51 } 52 } else { 53 undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb; 54 55 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD, 56 "AP Ext Port PWDB = 0x%lx\n", 57 undec_sm_pwdb); 58 } 59 60 if (undec_sm_pwdb >= TX_POWER_NEAR_FIELD_THRESH_LVL2) { 61 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL1; 62 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD, 63 "TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x0)\n"); 64 } else if ((undec_sm_pwdb < (TX_POWER_NEAR_FIELD_THRESH_LVL2 - 3)) && 65 (undec_sm_pwdb >= TX_POWER_NEAR_FIELD_THRESH_LVL1)) { 66 67 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL1; 68 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD, 69 "TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x10)\n"); 70 } else if (undec_sm_pwdb < (TX_POWER_NEAR_FIELD_THRESH_LVL1 - 5)) { 71 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL; 72 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD, 73 "TXHIGHPWRLEVEL_NORMAL\n"); 74 } 75 76 if ((rtlpriv->dm.dynamic_txhighpower_lvl != rtlpriv->dm.last_dtp_lvl)) { 77 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD, 78 "PHY_SetTxPowerLevel8192S() Channel = %d\n", 79 rtlphy->current_channel); 80 rtl92c_phy_set_txpower_level(hw, rtlphy->current_channel); 81 } 82 83 rtlpriv->dm.last_dtp_lvl = rtlpriv->dm.dynamic_txhighpower_lvl; 84 } 85