1 /******************************************************************************
3 * Copyright(c) 2009-2012 Realtek Corporation.
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.
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
14 * The full GNU General Public License is included in this distribution in the
15 * file called LICENSE.
17 * Contact Information:
18 * wlanfae <wlanfae@realtek.com>
19 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
20 * Hsinchu 300, Taiwan.
22 * Larry Finger <Larry.Finger@lwfinger.net>
24 *****************************************************************************/
34 #include "../rtl8192c/fw_common.h"
36 void rtl92ce_dm_dynamic_txpower(struct ieee80211_hw *hw)
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));
43 if (!rtlpriv->dm.dynamic_txpower_enable)
46 if (rtlpriv->dm.dm_flag & HAL_DM_HIPWR_DISABLE) {
47 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
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");
56 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
58 rtlpriv->dm.last_dtp_lvl = TXHIGHPWRLEVEL_NORMAL;
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",
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",
75 undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb;
77 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
78 "AP Ext Port PWDB = 0x%lx\n",
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)) {
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");
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);
105 rtlpriv->dm.last_dtp_lvl = rtlpriv->dm.dynamic_txhighpower_lvl;