1 files changed, 113 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 000000000000..f311baee668d
--- /dev/null
+++ b/drivers/net/wireless/rtlwifi/rtl8192cu/dm.c
@@ -0,0 +1,113 @@
+/******************************************************************************
+ *
+ * Copyright(c) 2009-2010  Realtek Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
+ *
+ * The full GNU General Public License is included in this distribution in the
+ * file called LICENSE.
+ *
+ * Contact Information:
+ * wlanfae <wlanfae@realtek.com>
+ * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
+ * Hsinchu 300, Taiwan.
+ *
+ * Larry Finger <Larry.Finger@lwfinger.net>
+ *
+ *****************************************************************************/
+
+#include "../wifi.h"
+#include "../base.h"
+#include "reg.h"
+#include "def.h"
+#include "phy.h"
+#include "dm.h"
+
+void rtl92cu_dm_dynamic_txpower(struct ieee80211_hw *hw)
+{
+        struct rtl_priv *rtlpriv = rtl_priv(hw);
+        struct rtl_phy *rtlphy = &(rtlpriv->phy);
+        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
+        long undecorated_smoothed_pwdb;
+
+        if (!rtlpriv->dm.dynamic_txpower_enable)
+                return;
+
+        if (rtlpriv->dm.dm_flag & HAL_DM_HIPWR_DISABLE) {
+                rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
+                return;
+        }
+
+        if ((mac->link_state < MAC80211_LINKED) &&
+            (rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb == 0)) {
+                RT_TRACE(rtlpriv, COMP_POWER, DBG_TRACE,
+                         ("Not connected to any\n"));
+
+                rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
+
+                rtlpriv->dm.last_dtp_lvl = TXHIGHPWRLEVEL_NORMAL;
+                return;
+        }
+
+        if (mac->link_state >= MAC80211_LINKED) {
+                if (mac->opmode == NL80211_IFTYPE_ADHOC) {
+                        undecorated_smoothed_pwdb =
+                            rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb;
+                        RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
+                                 ("AP Client PWDB = 0x%lx\n",
+                                  undecorated_smoothed_pwdb));
+                } else {
+                        undecorated_smoothed_pwdb =
+                            rtlpriv->dm.undecorated_smoothed_pwdb;
+                        RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
+                                 ("STA Default Port PWDB = 0x%lx\n",
+                                  undecorated_smoothed_pwdb));
+                }
+        } else {
+                undecorated_smoothed_pwdb =
+                    rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb;
+
+                RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
+                         ("AP Ext Port PWDB = 0x%lx\n",
+                          undecorated_smoothed_pwdb));
+        }
+
+        if (undecorated_smoothed_pwdb >= TX_POWER_NEAR_FIELD_THRESH_LVL2) {
+                rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL1;
+                RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
+                         ("TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x0)\n"));
+        } else if ((undecorated_smoothed_pwdb <
+                    (TX_POWER_NEAR_FIELD_THRESH_LVL2 - 3)) &&
+                   (undecorated_smoothed_pwdb >=
+                    TX_POWER_NEAR_FIELD_THRESH_LVL1)) {
+
+                rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL1;
+                RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
+                         ("TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x10)\n"));
+        } else if (undecorated_smoothed_pwdb <
+                   (TX_POWER_NEAR_FIELD_THRESH_LVL1 - 5)) {
+                rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
+                RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
+                         ("TXHIGHPWRLEVEL_NORMAL\n"));
+        }
+
+        if ((rtlpriv->dm.dynamic_txhighpower_lvl != rtlpriv->dm.last_dtp_lvl)) {
+                RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
+                         ("PHY_SetTxPowerLevel8192S() Channel = %d\n",
+                          rtlphy->current_channel));
+                rtl92c_phy_set_txpower_level(hw, rtlphy->current_channel);
+        }
+
+        rtlpriv->dm.last_dtp_lvl = rtlpriv->dm.dynamic_txhighpower_lvl;
+}