projects / deliverable / linux.git / blame
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|---|---|---|
| 442888c7 G |
1 | /****************************************************************************** |
| 2 | * | |
| c1d6604d | 3 | * Copyright(c) 2009-2012 Realtek Corporation. |
| 442888c7 G |
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 "reg.h" | |
| 33 | #include "def.h" | |
| 34 | #include "phy.h" | |
| 35 | #include "dm.h" | |
| 442888c7 | 36 | |
| 1472d3a8 | 37 | void rtl92cu_dm_dynamic_txpower(struct ieee80211_hw *hw) |
| 442888c7 G |
38 | { |
| 39 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
| 40 | struct rtl_phy *rtlphy = &(rtlpriv->phy); | |
| 41 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
| 42 | long undecorated_smoothed_pwdb; | |
| 43 | ||
| 44 | if (!rtlpriv->dm.dynamic_txpower_enable) | |
| 45 | return; | |
| 46 | ||
| 47 | if (rtlpriv->dm.dm_flag & HAL_DM_HIPWR_DISABLE) { | |
| 48 | rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL; | |
| 49 | return; | |
| 50 | } | |
| 51 | ||
| 52 | if ((mac->link_state < MAC80211_LINKED) && | |
| 53 | (rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb == 0)) { | |
| 54 | RT_TRACE(rtlpriv, COMP_POWER, DBG_TRACE, | |
| f30d7507 | 55 | "Not connected to any\n"); |
| 442888c7 G |
56 | |
| 57 | rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL; | |
| 58 | ||
| 59 | rtlpriv->dm.last_dtp_lvl = TXHIGHPWRLEVEL_NORMAL; | |
| 60 | return; | |
| 61 | } | |
| 62 | ||
| 63 | if (mac->link_state >= MAC80211_LINKED) { | |
| 64 | if (mac->opmode == NL80211_IFTYPE_ADHOC) { | |
| 65 | undecorated_smoothed_pwdb = | |
| 66 | rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb; | |
| 67 | RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD, | |
| f30d7507 JP |
68 | "AP Client PWDB = 0x%lx\n", |
| 69 | undecorated_smoothed_pwdb); | |
| 442888c7 G |
70 | } else { |
| 71 | undecorated_smoothed_pwdb = | |
| 72 | rtlpriv->dm.undecorated_smoothed_pwdb; | |
| 73 | RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD, | |
| f30d7507 JP |
74 | "STA Default Port PWDB = 0x%lx\n", |
| 75 | undecorated_smoothed_pwdb); | |
| 442888c7 G |
76 | } |
| 77 | } else { | |
| 78 | undecorated_smoothed_pwdb = | |
| 79 | rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb; | |
| 80 | ||
| 81 | RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD, | |
| f30d7507 JP |
82 | "AP Ext Port PWDB = 0x%lx\n", |
| 83 | undecorated_smoothed_pwdb); | |
| 442888c7 G |
84 | } |
| 85 | ||
| 86 | if (undecorated_smoothed_pwdb >= TX_POWER_NEAR_FIELD_THRESH_LVL2) { | |
| 87 | rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL1; | |
| 88 | RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD, | |
| f30d7507 | 89 | "TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x0)\n"); |
| 442888c7 G |
90 | } else if ((undecorated_smoothed_pwdb < |
| 91 | (TX_POWER_NEAR_FIELD_THRESH_LVL2 - 3)) && | |
| 92 | (undecorated_smoothed_pwdb >= | |
| 93 | TX_POWER_NEAR_FIELD_THRESH_LVL1)) { | |
| 94 | ||
| 95 | rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL1; | |
| 96 | RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD, | |
| f30d7507 | 97 | "TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x10)\n"); |
| 442888c7 G |
98 | } else if (undecorated_smoothed_pwdb < |
| 99 | (TX_POWER_NEAR_FIELD_THRESH_LVL1 - 5)) { | |
| 100 | rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL; | |
| 101 | RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD, | |
| f30d7507 | 102 | "TXHIGHPWRLEVEL_NORMAL\n"); |
| 442888c7 G |
103 | } |
| 104 | ||
| 105 | if ((rtlpriv->dm.dynamic_txhighpower_lvl != rtlpriv->dm.last_dtp_lvl)) { | |
| 106 | RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD, | |
| f30d7507 JP |
107 | "PHY_SetTxPowerLevel8192S() Channel = %d\n", |
| 108 | rtlphy->current_channel); | |
| 442888c7 G |
109 | rtl92c_phy_set_txpower_level(hw, rtlphy->current_channel); |
| 110 | } | |
| 111 | ||
| 112 | rtlpriv->dm.last_dtp_lvl = rtlpriv->dm.dynamic_txhighpower_lvl; | |
| 113 | } |