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Diffstat (limited to 'drivers/net/wireless/rtlwifi/rtl8192cu/dm.c')
-rw-r--r--drivers/net/wireless/rtlwifi/rtl8192cu/dm.c116
1 files changed, 116 insertions, 0 deletions
diff --git a/drivers/net/wireless/rtlwifi/rtl8192cu/dm.c b/drivers/net/wireless/rtlwifi/rtl8192cu/dm.c
new file mode 100644
index 00000000000..a4649a2f7e6
--- /dev/null
+++ b/drivers/net/wireless/rtlwifi/rtl8192cu/dm.c
@@ -0,0 +1,116 @@
1/******************************************************************************
2 *
3 * Copyright(c) 2009-2010 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 * 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"
36#include "fw.h"
37
38#include "../rtl8192c/dm_common.c"
39
40void rtl92c_dm_dynamic_txpower(struct ieee80211_hw *hw)
41{
42 struct rtl_priv *rtlpriv = rtl_priv(hw);
43 struct rtl_phy *rtlphy = &(rtlpriv->phy);
44 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
45 long undecorated_smoothed_pwdb;
46
47 if (!rtlpriv->dm.dynamic_txpower_enable)
48 return;
49
50 if (rtlpriv->dm.dm_flag & HAL_DM_HIPWR_DISABLE) {
51 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
52 return;
53 }
54
55 if ((mac->link_state < MAC80211_LINKED) &&
56 (rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb == 0)) {
57 RT_TRACE(rtlpriv, COMP_POWER, DBG_TRACE,
58 ("Not connected to any\n"));
59
60 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
61
62 rtlpriv->dm.last_dtp_lvl = TXHIGHPWRLEVEL_NORMAL;
63 return;
64 }
65
66 if (mac->link_state >= MAC80211_LINKED) {
67 if (mac->opmode == NL80211_IFTYPE_ADHOC) {
68 undecorated_smoothed_pwdb =
69 rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb;
70 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
71 ("AP Client PWDB = 0x%lx\n",
72 undecorated_smoothed_pwdb));
73 } else {
74 undecorated_smoothed_pwdb =
75 rtlpriv->dm.undecorated_smoothed_pwdb;
76 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
77 ("STA Default Port PWDB = 0x%lx\n",
78 undecorated_smoothed_pwdb));
79 }
80 } else {
81 undecorated_smoothed_pwdb =
82 rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb;
83
84 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
85 ("AP Ext Port PWDB = 0x%lx\n",
86 undecorated_smoothed_pwdb));
87 }
88
89 if (undecorated_smoothed_pwdb >= TX_POWER_NEAR_FIELD_THRESH_LVL2) {
90 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL1;
91 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
92 ("TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x0)\n"));
93 } else if ((undecorated_smoothed_pwdb <
94 (TX_POWER_NEAR_FIELD_THRESH_LVL2 - 3)) &&
95 (undecorated_smoothed_pwdb >=
96 TX_POWER_NEAR_FIELD_THRESH_LVL1)) {
97
98 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL1;
99 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
100 ("TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x10)\n"));
101 } else if (undecorated_smoothed_pwdb <
102 (TX_POWER_NEAR_FIELD_THRESH_LVL1 - 5)) {
103 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
104 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
105 ("TXHIGHPWRLEVEL_NORMAL\n"));
106 }
107
108 if ((rtlpriv->dm.dynamic_txhighpower_lvl != rtlpriv->dm.last_dtp_lvl)) {
109 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
110 ("PHY_SetTxPowerLevel8192S() Channel = %d\n",
111 rtlphy->current_channel));
112 rtl92c_phy_set_txpower_level(hw, rtlphy->current_channel);
113 }
114
115 rtlpriv->dm.last_dtp_lvl = rtlpriv->dm.dynamic_txhighpower_lvl;
116}