From 52409fae3e4b8d16b68b61902fc09075cd97b75d Mon Sep 17 00:00:00 2001
From: Dominik Sliwa <dominik.sliwa@toradex.com>
Date: Sun, 2 Jul 2017 16:41:37 +0200
Subject: Backports generated from 4.11 kernel

Initial commit.

Signed-off-by: Dominik Sliwa <dominik.sliwa@toradex.com>
---
 .../net/wireless/realtek/rtlwifi/rtl8192cu/dm.c    | 112 +++++++++++++++++++++
 1 file changed, 112 insertions(+)
 create mode 100644 drivers/net/wireless/realtek/rtlwifi/rtl8192cu/dm.c

(limited to 'drivers/net/wireless/realtek/rtlwifi/rtl8192cu/dm.c')

diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/dm.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/dm.c
new file mode 100644
index 0000000..00fc068
--- /dev/null
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/dm.c
@@ -0,0 +1,112 @@
+/******************************************************************************
+ *
+ * Copyright(c) 2009-2012  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.
+ *
+ * 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 undec_sm_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_undec_sm_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) {
+			undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb;
+			RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
+				 "AP Client PWDB = 0x%lx\n",
+				 undec_sm_pwdb);
+		} else {
+			undec_sm_pwdb = rtlpriv->dm.undec_sm_pwdb;
+			RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
+				 "STA Default Port PWDB = 0x%lx\n",
+				 undec_sm_pwdb);
+		}
+	} else {
+		undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb;
+
+		RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
+			 "AP Ext Port PWDB = 0x%lx\n",
+			 undec_sm_pwdb);
+	}
+
+	if (undec_sm_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 ((undec_sm_pwdb < (TX_POWER_NEAR_FIELD_THRESH_LVL2 - 3)) &&
+		   (undec_sm_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 (undec_sm_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);
+		if (rtlpriv->dm.dynamic_txhighpower_lvl ==
+		    TXHIGHPWRLEVEL_NORMAL)
+			dm_restorepowerindex(hw);
+		else if (rtlpriv->dm.dynamic_txhighpower_lvl ==
+			 TXHIGHPWRLEVEL_LEVEL1)
+			dm_writepowerindex(hw, 0x14);
+		else if (rtlpriv->dm.dynamic_txhighpower_lvl ==
+			 TXHIGHPWRLEVEL_LEVEL2)
+			dm_writepowerindex(hw, 0x10);
+	}
+
+	rtlpriv->dm.last_dtp_lvl = rtlpriv->dm.dynamic_txhighpower_lvl;
+}
-- 
cgit v1.2.3