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 *****************************************************************************/
33 void rtl92cu_dm_dynamic_txpower(struct ieee80211_hw *hw)
35 struct rtl_priv *rtlpriv = rtl_priv(hw);
36 struct rtl_phy *rtlphy = &(rtlpriv->phy);
37 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
40 if (!rtlpriv->dm.dynamic_txpower_enable)
43 if (rtlpriv->dm.dm_flag & HAL_DM_HIPWR_DISABLE) {
44 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
48 if ((mac->link_state < MAC80211_LINKED) &&
49 (rtlpriv->dm.entry_min_undec_sm_pwdb == 0)) {
50 RT_TRACE(rtlpriv, COMP_POWER, DBG_TRACE,
51 "Not connected to any\n");
53 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
55 rtlpriv->dm.last_dtp_lvl = TXHIGHPWRLEVEL_NORMAL;
59 if (mac->link_state >= MAC80211_LINKED) {
60 if (mac->opmode == NL80211_IFTYPE_ADHOC) {
61 undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb;
62 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
63 "AP Client PWDB = 0x%lx\n",
66 undec_sm_pwdb = rtlpriv->dm.undec_sm_pwdb;
67 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
68 "STA Default Port PWDB = 0x%lx\n",
72 undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb;
74 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
75 "AP Ext Port PWDB = 0x%lx\n",
79 if (undec_sm_pwdb >= TX_POWER_NEAR_FIELD_THRESH_LVL2) {
80 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL1;
81 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
82 "TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x0)\n");
83 } else if ((undec_sm_pwdb < (TX_POWER_NEAR_FIELD_THRESH_LVL2 - 3)) &&
84 (undec_sm_pwdb >= TX_POWER_NEAR_FIELD_THRESH_LVL1)) {
86 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL1;
87 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
88 "TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x10)\n");
89 } else if (undec_sm_pwdb < (TX_POWER_NEAR_FIELD_THRESH_LVL1 - 5)) {
90 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
91 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
92 "TXHIGHPWRLEVEL_NORMAL\n");
95 if ((rtlpriv->dm.dynamic_txhighpower_lvl != rtlpriv->dm.last_dtp_lvl)) {
96 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
97 "PHY_SetTxPowerLevel8192S() Channel = %d\n",
98 rtlphy->current_channel);
99 rtl92c_phy_set_txpower_level(hw, rtlphy->current_channel);
100 if (rtlpriv->dm.dynamic_txhighpower_lvl ==
101 TXHIGHPWRLEVEL_NORMAL)
102 dm_restorepowerindex(hw);
103 else if (rtlpriv->dm.dynamic_txhighpower_lvl ==
104 TXHIGHPWRLEVEL_LEVEL1)
105 dm_writepowerindex(hw, 0x14);
106 else if (rtlpriv->dm.dynamic_txhighpower_lvl ==
107 TXHIGHPWRLEVEL_LEVEL2)
108 dm_writepowerindex(hw, 0x10);
111 rtlpriv->dm.last_dtp_lvl = rtlpriv->dm.dynamic_txhighpower_lvl;