rtlwifi: rtl8192se: Merge dynamic management routines
authorChaoming Li <chaoming_li@realsil.com.cn>
Tue, 3 May 2011 14:47:55 +0000 (09:47 -0500)
committerJohn W. Linville <linville@tuxdriver.com>
Thu, 5 May 2011 18:59:08 +0000 (14:59 -0400)
Merge routines dm.c and dm.h for RTL8192SE.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Chaoming_Li <chaoming_li@realsil.com.cn>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
drivers/net/wireless/rtlwifi/rtl8192se/dm.c [new file with mode: 0644]
drivers/net/wireless/rtlwifi/rtl8192se/dm.h [new file with mode: 0644]

diff --git a/drivers/net/wireless/rtlwifi/rtl8192se/dm.c b/drivers/net/wireless/rtlwifi/rtl8192se/dm.c
new file mode 100644 (file)
index 0000000..da86db8
--- /dev/null
@@ -0,0 +1,733 @@
+/******************************************************************************
+ *
+ * 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"
+#include "fw.h"
+
+struct dig_t digtable;
+static const u32 edca_setting_dl[PEER_MAX] = {
+       0xa44f,         /* 0 UNKNOWN */
+       0x5ea44f,       /* 1 REALTEK_90 */
+       0x5ea44f,       /* 2 REALTEK_92SE */
+       0xa630,         /* 3 BROAD      */
+       0xa44f,         /* 4 RAL */
+       0xa630,         /* 5 ATH */
+       0xa630,         /* 6 CISCO */
+       0xa42b,         /* 7 MARV */
+};
+
+static const u32 edca_setting_dl_gmode[PEER_MAX] = {
+       0x4322,         /* 0 UNKNOWN */
+       0xa44f,         /* 1 REALTEK_90 */
+       0x5ea44f,       /* 2 REALTEK_92SE */
+       0xa42b,         /* 3 BROAD */
+       0x5e4322,       /* 4 RAL */
+       0x4322,         /* 5 ATH */
+       0xa430,         /* 6 CISCO */
+       0x5ea44f,       /* 7 MARV */
+};
+
+static const u32 edca_setting_ul[PEER_MAX] = {
+       0x5e4322,       /* 0 UNKNOWN */
+       0xa44f,         /* 1 REALTEK_90 */
+       0x5ea44f,       /* 2 REALTEK_92SE */
+       0x5ea322,       /* 3 BROAD */
+       0x5ea422,       /* 4 RAL */
+       0x5ea322,       /* 5 ATH */
+       0x3ea44f,       /* 6 CISCO */
+       0x5ea44f,       /* 7 MARV */
+};
+
+static void _rtl92s_dm_check_edca_turbo(struct ieee80211_hw *hw)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
+
+       static u64 last_txok_cnt;
+       static u64 last_rxok_cnt;
+       u64 cur_txok_cnt = 0;
+       u64 cur_rxok_cnt = 0;
+
+       u32 edca_be_ul = edca_setting_ul[mac->vendor];
+       u32 edca_be_dl = edca_setting_dl[mac->vendor];
+       u32 edca_gmode = edca_setting_dl_gmode[mac->vendor];
+
+       if (mac->link_state != MAC80211_LINKED) {
+               rtlpriv->dm.current_turbo_edca = false;
+               goto dm_checkedcaturbo_exit;
+       }
+
+       if ((!rtlpriv->dm.is_any_nonbepkts) &&
+           (!rtlpriv->dm.disable_framebursting)) {
+               cur_txok_cnt = rtlpriv->stats.txbytesunicast - last_txok_cnt;
+               cur_rxok_cnt = rtlpriv->stats.rxbytesunicast - last_rxok_cnt;
+
+               if (rtlpriv->phy.rf_type == RF_1T2R) {
+                       if (cur_txok_cnt > 4 * cur_rxok_cnt) {
+                               /* Uplink TP is present. */
+                               if (rtlpriv->dm.is_cur_rdlstate ||
+                                       !rtlpriv->dm.current_turbo_edca) {
+                                       rtl_write_dword(rtlpriv, EDCAPARA_BE,
+                                                       edca_be_ul);
+                                       rtlpriv->dm.is_cur_rdlstate = false;
+                               }
+                       } else {/* Balance TP is present. */
+                               if (!rtlpriv->dm.is_cur_rdlstate ||
+                                       !rtlpriv->dm.current_turbo_edca) {
+                                       if (mac->mode == WIRELESS_MODE_G ||
+                                           mac->mode == WIRELESS_MODE_B)
+                                               rtl_write_dword(rtlpriv,
+                                                               EDCAPARA_BE,
+                                                               edca_gmode);
+                                       else
+                                               rtl_write_dword(rtlpriv,
+                                                               EDCAPARA_BE,
+                                                               edca_be_dl);
+                                       rtlpriv->dm.is_cur_rdlstate = true;
+                               }
+                       }
+                       rtlpriv->dm.current_turbo_edca = true;
+               } else {
+                       if (cur_rxok_cnt > 4 * cur_txok_cnt) {
+                               if (!rtlpriv->dm.is_cur_rdlstate ||
+                                       !rtlpriv->dm.current_turbo_edca) {
+                                       if (mac->mode == WIRELESS_MODE_G ||
+                                           mac->mode == WIRELESS_MODE_B)
+                                               rtl_write_dword(rtlpriv,
+                                                               EDCAPARA_BE,
+                                                               edca_gmode);
+                                       else
+                                               rtl_write_dword(rtlpriv,
+                                                               EDCAPARA_BE,
+                                                               edca_be_dl);
+                                       rtlpriv->dm.is_cur_rdlstate = true;
+                               }
+                       } else {
+                               if (rtlpriv->dm.is_cur_rdlstate ||
+                                       !rtlpriv->dm.current_turbo_edca) {
+                                       rtl_write_dword(rtlpriv, EDCAPARA_BE,
+                                                       edca_be_ul);
+                                       rtlpriv->dm.is_cur_rdlstate = false;
+                               }
+                       }
+                       rtlpriv->dm.current_turbo_edca = true;
+               }
+       } else {
+               if (rtlpriv->dm.current_turbo_edca) {
+                       u8 tmp = AC0_BE;
+                       rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AC_PARAM,
+                                                     (u8 *)(&tmp));
+                       rtlpriv->dm.current_turbo_edca = false;
+               }
+       }
+
+dm_checkedcaturbo_exit:
+       rtlpriv->dm.is_any_nonbepkts = false;
+       last_txok_cnt = rtlpriv->stats.txbytesunicast;
+       last_rxok_cnt = rtlpriv->stats.rxbytesunicast;
+}
+
+static void _rtl92s_dm_txpowertracking_callback_thermalmeter(
+                                       struct ieee80211_hw *hw)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
+       u8 thermalvalue = 0;
+
+       rtlpriv->dm.txpower_trackinginit = true;
+
+       thermalvalue = (u8)rtl_get_rfreg(hw, RF90_PATH_A, RF_T_METER, 0x1f);
+
+       RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
+                ("Readback Thermal Meter = 0x%x pre thermal meter 0x%x "
+                 "eeprom_thermalmeter 0x%x\n", thermalvalue,
+                 rtlpriv->dm.thermalvalue, rtlefuse->eeprom_thermalmeter));
+
+       if (thermalvalue) {
+               rtlpriv->dm.thermalvalue = thermalvalue;
+               rtl92s_phy_set_fw_cmd(hw, FW_CMD_TXPWR_TRACK_THERMAL);
+       }
+
+       rtlpriv->dm.txpowercount = 0;
+}
+
+static void _rtl92s_dm_check_txpowertracking_thermalmeter(
+                                       struct ieee80211_hw *hw)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       struct rtl_phy *rtlphy = &(rtlpriv->phy);
+       static u8 tm_trigger;
+       u8 tx_power_checkcnt = 5;
+
+       /* 2T2R TP issue */
+       if (rtlphy->rf_type == RF_2T2R)
+               return;
+
+       if (!rtlpriv->dm.txpower_tracking)
+               return;
+
+       if (rtlpriv->dm.txpowercount <= tx_power_checkcnt) {
+               rtlpriv->dm.txpowercount++;
+               return;
+       }
+
+       if (!tm_trigger) {
+               rtl_set_rfreg(hw, RF90_PATH_A, RF_T_METER,
+                             RFREG_OFFSET_MASK, 0x60);
+               tm_trigger = 1;
+       } else {
+               _rtl92s_dm_txpowertracking_callback_thermalmeter(hw);
+               tm_trigger = 0;
+       }
+}
+
+static void _rtl92s_dm_refresh_rateadaptive_mask(struct ieee80211_hw *hw)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
+       struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
+       struct rate_adaptive *ra = &(rtlpriv->ra);
+
+       u32 low_rssi_thresh = 0;
+       u32 middle_rssi_thresh = 0;
+       u32 high_rssi_thresh = 0;
+       u8 rssi_level;
+       struct ieee80211_sta *sta = NULL;
+
+       if (is_hal_stop(rtlhal))
+               return;
+
+       if (!rtlpriv->dm.useramask)
+               return;
+
+       if (!rtlpriv->dm.inform_fw_driverctrldm) {
+               rtl92s_phy_set_fw_cmd(hw, FW_CMD_CTRL_DM_BY_DRIVER);
+               rtlpriv->dm.inform_fw_driverctrldm = true;
+       }
+
+       rcu_read_lock();
+       if (mac->opmode == NL80211_IFTYPE_STATION)
+               sta = get_sta(hw, mac->vif, mac->bssid);
+       if ((mac->link_state == MAC80211_LINKED) &&
+           (mac->opmode == NL80211_IFTYPE_STATION)) {
+               switch (ra->pre_ratr_state) {
+               case DM_RATR_STA_HIGH:
+                       high_rssi_thresh = 40;
+                       middle_rssi_thresh = 30;
+                       low_rssi_thresh = 20;
+                       break;
+               case DM_RATR_STA_MIDDLE:
+                       high_rssi_thresh = 44;
+                       middle_rssi_thresh = 30;
+                       low_rssi_thresh = 20;
+                       break;
+               case DM_RATR_STA_LOW:
+                       high_rssi_thresh = 44;
+                       middle_rssi_thresh = 34;
+                       low_rssi_thresh = 20;
+                       break;
+               case DM_RATR_STA_ULTRALOW:
+                       high_rssi_thresh = 44;
+                       middle_rssi_thresh = 34;
+                       low_rssi_thresh = 24;
+                       break;
+               default:
+                       high_rssi_thresh = 44;
+                       middle_rssi_thresh = 34;
+                       low_rssi_thresh = 24;
+                       break;
+               }
+
+               if (rtlpriv->dm.undecorated_smoothed_pwdb >
+                   (long)high_rssi_thresh) {
+                       ra->ratr_state = DM_RATR_STA_HIGH;
+                       rssi_level = 1;
+               } else if (rtlpriv->dm.undecorated_smoothed_pwdb >
+                          (long)middle_rssi_thresh) {
+                       ra->ratr_state = DM_RATR_STA_LOW;
+                       rssi_level = 3;
+               } else if (rtlpriv->dm.undecorated_smoothed_pwdb >
+                          (long)low_rssi_thresh) {
+                       ra->ratr_state = DM_RATR_STA_LOW;
+                       rssi_level = 5;
+               } else {
+                       ra->ratr_state = DM_RATR_STA_ULTRALOW;
+                       rssi_level = 6;
+               }
+
+               if (ra->pre_ratr_state != ra->ratr_state) {
+                       RT_TRACE(rtlpriv, COMP_RATE, DBG_LOUD, ("RSSI = %ld "
+                               "RSSI_LEVEL = %d PreState = %d, CurState = %d\n",
+                               rtlpriv->dm.undecorated_smoothed_pwdb,
+                               ra->ratr_state,
+                               ra->pre_ratr_state, ra->ratr_state));
+
+                       rtlpriv->cfg->ops->update_rate_tbl(hw, sta,
+                                                          ra->ratr_state);
+                       ra->pre_ratr_state = ra->ratr_state;
+               }
+       }
+       rcu_read_unlock();
+}
+
+static void _rtl92s_dm_switch_baseband_mrc(struct ieee80211_hw *hw)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
+       struct rtl_phy *rtlphy = &(rtlpriv->phy);
+       struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
+       bool current_mrc;
+       bool enable_mrc = true;
+       long tmpentry_maxpwdb = 0;
+       u8 rssi_a = 0;
+       u8 rssi_b = 0;
+
+       if (is_hal_stop(rtlhal))
+               return;
+
+       if ((rtlphy->rf_type == RF_1T1R) || (rtlphy->rf_type == RF_2T2R))
+               return;
+
+       rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_MRC, (u8 *)(&current_mrc));
+
+       if (mac->link_state >= MAC80211_LINKED) {
+               if (rtlpriv->dm.undecorated_smoothed_pwdb > tmpentry_maxpwdb) {
+                       rssi_a = rtlpriv->stats.rx_rssi_percentage[RF90_PATH_A];
+                       rssi_b = rtlpriv->stats.rx_rssi_percentage[RF90_PATH_B];
+               }
+       }
+
+       /* MRC settings would NOT affect TP on Wireless B mode. */
+       if (mac->mode != WIRELESS_MODE_B) {
+               if ((rssi_a == 0) && (rssi_b == 0)) {
+                       enable_mrc = true;
+               } else if (rssi_b > 30) {
+                       /* Turn on B-Path */
+                       enable_mrc = true;
+               } else if (rssi_b < 5) {
+                       /* Turn off B-path  */
+                       enable_mrc = false;
+               /* Take care of RSSI differentiation. */
+               } else if (rssi_a > 15 && (rssi_a >= rssi_b)) {
+                       if ((rssi_a - rssi_b) > 15)
+                               /* Turn off B-path  */
+                               enable_mrc = false;
+                       else if ((rssi_a - rssi_b) < 10)
+                               /* Turn on B-Path */
+                               enable_mrc = true;
+                       else
+                               enable_mrc = current_mrc;
+               } else {
+                       /* Turn on B-Path */
+                       enable_mrc = true;
+               }
+       }
+
+       /* Update MRC settings if needed. */
+       if (enable_mrc != current_mrc)
+               rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_MRC,
+                                             (u8 *)&enable_mrc);
+
+}
+
+void rtl92s_dm_init_edca_turbo(struct ieee80211_hw *hw)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+
+       rtlpriv->dm.current_turbo_edca = false;
+       rtlpriv->dm.is_any_nonbepkts = false;
+       rtlpriv->dm.is_cur_rdlstate = false;
+}
+
+static void _rtl92s_dm_init_rate_adaptive_mask(struct ieee80211_hw *hw)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       struct rate_adaptive *ra = &(rtlpriv->ra);
+
+       ra->ratr_state = DM_RATR_STA_MAX;
+       ra->pre_ratr_state = DM_RATR_STA_MAX;
+
+       if (rtlpriv->dm.dm_type == DM_TYPE_BYDRIVER)
+               rtlpriv->dm.useramask = true;
+       else
+               rtlpriv->dm.useramask = false;
+
+       rtlpriv->dm.useramask = false;
+       rtlpriv->dm.inform_fw_driverctrldm = false;
+}
+
+static void _rtl92s_dm_init_txpowertracking_thermalmeter(
+                               struct ieee80211_hw *hw)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+
+       rtlpriv->dm.txpower_tracking = true;
+       rtlpriv->dm.txpowercount = 0;
+       rtlpriv->dm.txpower_trackinginit = false;
+}
+
+static void _rtl92s_dm_false_alarm_counter_statistics(struct ieee80211_hw *hw)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       struct false_alarm_statistics *falsealm_cnt = &(rtlpriv->falsealm_cnt);
+       u32 ret_value;
+
+       ret_value = rtl_get_bbreg(hw, ROFDM_PHYCOUNTER1, MASKDWORD);
+       falsealm_cnt->cnt_parity_fail = ((ret_value & 0xffff0000) >> 16);
+
+       ret_value = rtl_get_bbreg(hw, ROFDM_PHYCOUNTER2, MASKDWORD);
+       falsealm_cnt->cnt_rate_illegal = (ret_value & 0xffff);
+       falsealm_cnt->cnt_crc8_fail = ((ret_value & 0xffff0000) >> 16);
+       ret_value = rtl_get_bbreg(hw, ROFDM_PHYCOUNTER3, MASKDWORD);
+       falsealm_cnt->cnt_mcs_fail = (ret_value & 0xffff);
+
+       falsealm_cnt->cnt_ofdm_fail = falsealm_cnt->cnt_parity_fail +
+               falsealm_cnt->cnt_rate_illegal + falsealm_cnt->cnt_crc8_fail +
+               falsealm_cnt->cnt_mcs_fail;
+
+       /* read CCK false alarm */
+       ret_value = rtl_get_bbreg(hw, 0xc64, MASKDWORD);
+       falsealm_cnt->cnt_cck_fail = (ret_value & 0xffff);
+       falsealm_cnt->cnt_all = falsealm_cnt->cnt_ofdm_fail +
+               falsealm_cnt->cnt_cck_fail;
+}
+
+static void rtl92s_backoff_enable_flag(struct ieee80211_hw *hw)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       struct false_alarm_statistics *falsealm_cnt = &(rtlpriv->falsealm_cnt);
+
+       if (falsealm_cnt->cnt_all > digtable.fa_highthresh) {
+               if ((digtable.backoff_val - 6) <
+                       digtable.backoffval_range_min)
+                       digtable.backoff_val = digtable.backoffval_range_min;
+               else
+                       digtable.backoff_val -= 6;
+       } else if (falsealm_cnt->cnt_all < digtable.fa_lowthresh) {
+               if ((digtable.backoff_val + 6) >
+                       digtable.backoffval_range_max)
+                       digtable.backoff_val =
+                                digtable.backoffval_range_max;
+               else
+                       digtable.backoff_val += 6;
+       }
+}
+
+static void _rtl92s_dm_initial_gain_sta_beforeconnect(struct ieee80211_hw *hw)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       struct false_alarm_statistics *falsealm_cnt = &(rtlpriv->falsealm_cnt);
+       static u8 initialized, force_write;
+       u8 initial_gain = 0;
+
+       if ((digtable.pre_sta_connectstate == digtable.cur_sta_connectstate) ||
+               (digtable.cur_sta_connectstate == DIG_STA_BEFORE_CONNECT)) {
+               if (digtable.cur_sta_connectstate == DIG_STA_BEFORE_CONNECT) {
+                       if (rtlpriv->psc.rfpwr_state != ERFON)
+                               return;
+
+                       if (digtable.backoff_enable_flag == true)
+                               rtl92s_backoff_enable_flag(hw);
+                       else
+                               digtable.backoff_val = DM_DIG_BACKOFF;
+
+                       if ((digtable.rssi_val + 10 - digtable.backoff_val) >
+                               digtable.rx_gain_range_max)
+                               digtable.cur_igvalue =
+                                               digtable.rx_gain_range_max;
+                       else if ((digtable.rssi_val + 10 - digtable.backoff_val)
+                                < digtable.rx_gain_range_min)
+                               digtable.cur_igvalue =
+                                               digtable.rx_gain_range_min;
+                       else
+                               digtable.cur_igvalue = digtable.rssi_val + 10 -
+                                               digtable.backoff_val;
+
+                       if (falsealm_cnt->cnt_all > 10000)
+                               digtable.cur_igvalue =
+                                        (digtable.cur_igvalue > 0x33) ?
+                                        digtable.cur_igvalue : 0x33;
+
+                       if (falsealm_cnt->cnt_all > 16000)
+                               digtable.cur_igvalue =
+                                                digtable.rx_gain_range_max;
+               /* connected -> connected or disconnected -> disconnected  */
+               } else {
+                       /* Firmware control DIG, do nothing in driver dm */
+                       return;
+               }
+               /* disconnected -> connected or connected ->
+                * disconnected or beforeconnect->(dis)connected */
+       } else {
+               /* Enable FW DIG */
+               digtable.dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
+               rtl92s_phy_set_fw_cmd(hw, FW_CMD_DIG_ENABLE);
+
+               digtable.backoff_val = DM_DIG_BACKOFF;
+               digtable.cur_igvalue = rtlpriv->phy.default_initialgain[0];
+               digtable.pre_igvalue = 0;
+               return;
+       }
+
+       /* Forced writing to prevent from fw-dig overwriting. */
+       if (digtable.pre_igvalue != rtl_get_bbreg(hw, ROFDM0_XAAGCCORE1,
+                                                 MASKBYTE0))
+               force_write = 1;
+
+       if ((digtable.pre_igvalue != digtable.cur_igvalue) ||
+           !initialized || force_write) {
+               /* Disable FW DIG */
+               rtl92s_phy_set_fw_cmd(hw, FW_CMD_DIG_DISABLE);
+
+               initial_gain = (u8)digtable.cur_igvalue;
+
+               /* Set initial gain. */
+               rtl_set_bbreg(hw, ROFDM0_XAAGCCORE1, MASKBYTE0, initial_gain);
+               rtl_set_bbreg(hw, ROFDM0_XBAGCCORE1, MASKBYTE0, initial_gain);
+               digtable.pre_igvalue = digtable.cur_igvalue;
+               initialized = 1;
+               force_write = 0;
+       }
+}
+
+static void _rtl92s_dm_ctrl_initgain_bytwoport(struct ieee80211_hw *hw)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+
+       if (rtlpriv->mac80211.act_scanning)
+               return;
+
+       /* Decide the current status and if modify initial gain or not */
+       if (rtlpriv->mac80211.link_state >= MAC80211_LINKED ||
+           rtlpriv->mac80211.opmode == NL80211_IFTYPE_ADHOC)
+               digtable.cur_sta_connectstate = DIG_STA_CONNECT;
+       else
+               digtable.cur_sta_connectstate = DIG_STA_DISCONNECT;
+
+       digtable.rssi_val = rtlpriv->dm.undecorated_smoothed_pwdb;
+
+       /* Change dig mode to rssi */
+       if (digtable.cur_sta_connectstate != DIG_STA_DISCONNECT) {
+               if (digtable.dig_twoport_algorithm ==
+                   DIG_TWO_PORT_ALGO_FALSE_ALARM) {
+                       digtable.dig_twoport_algorithm = DIG_TWO_PORT_ALGO_RSSI;
+                       rtl92s_phy_set_fw_cmd(hw, FW_CMD_DIG_MODE_SS);
+               }
+       }
+
+       _rtl92s_dm_false_alarm_counter_statistics(hw);
+       _rtl92s_dm_initial_gain_sta_beforeconnect(hw);
+
+       digtable.pre_sta_connectstate = digtable.cur_sta_connectstate;
+}
+
+static void _rtl92s_dm_ctrl_initgain_byrssi(struct ieee80211_hw *hw)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       struct rtl_phy *rtlphy = &(rtlpriv->phy);
+
+       /* 2T2R TP issue */
+       if (rtlphy->rf_type == RF_2T2R)
+               return;
+
+       if (!rtlpriv->dm.dm_initialgain_enable)
+               return;
+
+       if (digtable.dig_enable_flag == false)
+               return;
+
+       _rtl92s_dm_ctrl_initgain_bytwoport(hw);
+}
+
+static void _rtl92s_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;
+       long txpwr_threshold_lv1, txpwr_threshold_lv2;
+
+       /* 2T2R TP issue */
+       if (rtlphy->rf_type == RF_2T2R)
+               return;
+
+       if (!rtlpriv->dm.dynamic_txpower_enable ||
+           rtlpriv->dm.dm_flag & HAL_DM_HIPWR_DISABLE) {
+               rtlpriv->dm.dynamic_txhighpower_lvl = TX_HIGHPWR_LEVEL_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 = TX_HIGHPWR_LEVEL_NORMAL;
+
+               rtlpriv->dm.last_dtp_lvl = TX_HIGHPWR_LEVEL_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));
+       }
+
+       txpwr_threshold_lv2 = TX_POWER_NEAR_FIELD_THRESH_LVL2;
+       txpwr_threshold_lv1 = TX_POWER_NEAR_FIELD_THRESH_LVL1;
+
+       if (rtl_get_bbreg(hw, 0xc90, MASKBYTE0) == 1)
+               rtlpriv->dm.dynamic_txhighpower_lvl = TX_HIGHPWR_LEVEL_NORMAL;
+       else if (undecorated_smoothed_pwdb >= txpwr_threshold_lv2)
+               rtlpriv->dm.dynamic_txhighpower_lvl = TX_HIGHPWR_LEVEL_NORMAL2;
+       else if ((undecorated_smoothed_pwdb < (txpwr_threshold_lv2 - 3)) &&
+               (undecorated_smoothed_pwdb >= txpwr_threshold_lv1))
+               rtlpriv->dm.dynamic_txhighpower_lvl = TX_HIGHPWR_LEVEL_NORMAL1;
+       else if (undecorated_smoothed_pwdb < (txpwr_threshold_lv1 - 3))
+               rtlpriv->dm.dynamic_txhighpower_lvl = TX_HIGHPWR_LEVEL_NORMAL;
+
+       if ((rtlpriv->dm.dynamic_txhighpower_lvl != rtlpriv->dm.last_dtp_lvl))
+               rtl92s_phy_set_txpower(hw, rtlphy->current_channel);
+
+       rtlpriv->dm.last_dtp_lvl = rtlpriv->dm.dynamic_txhighpower_lvl;
+}
+
+static void _rtl92s_dm_init_dig(struct ieee80211_hw *hw)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+
+       /* Disable DIG scheme now.*/
+       digtable.dig_enable_flag = true;
+       digtable.backoff_enable_flag = true;
+
+       if ((rtlpriv->dm.dm_type == DM_TYPE_BYDRIVER) &&
+           (hal_get_firmwareversion(rtlpriv) >= 0x3c))
+               digtable.dig_algorithm = DIG_ALGO_BY_TOW_PORT;
+       else
+               digtable.dig_algorithm =
+                        DIG_ALGO_BEFORE_CONNECT_BY_RSSI_AND_ALARM;
+
+       digtable.dig_twoport_algorithm = DIG_TWO_PORT_ALGO_RSSI;
+       digtable.dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
+       /* off=by real rssi value, on=by digtable.rssi_val for new dig */
+       digtable.dig_dbgmode = DM_DBG_OFF;
+       digtable.dig_slgorithm_switch = 0;
+
+       /* 2007/10/04 MH Define init gain threshol. */
+       digtable.dig_state = DM_STA_DIG_MAX;
+       digtable.dig_highpwrstate = DM_STA_DIG_MAX;
+
+       digtable.cur_sta_connectstate = DIG_STA_DISCONNECT;
+       digtable.pre_sta_connectstate = DIG_STA_DISCONNECT;
+       digtable.cur_ap_connectstate = DIG_AP_DISCONNECT;
+       digtable.pre_ap_connectstate = DIG_AP_DISCONNECT;
+
+       digtable.rssi_lowthresh = DM_DIG_THRESH_LOW;
+       digtable.rssi_highthresh = DM_DIG_THRESH_HIGH;
+
+       digtable.fa_lowthresh = DM_FALSEALARM_THRESH_LOW;
+       digtable.fa_highthresh = DM_FALSEALARM_THRESH_HIGH;
+
+       digtable.rssi_highpower_lowthresh = DM_DIG_HIGH_PWR_THRESH_LOW;
+       digtable.rssi_highpower_highthresh = DM_DIG_HIGH_PWR_THRESH_HIGH;
+
+       /* for dig debug rssi value */
+       digtable.rssi_val = 50;
+       digtable.backoff_val = DM_DIG_BACKOFF;
+       digtable.rx_gain_range_max = DM_DIG_MAX;
+
+       digtable.rx_gain_range_min = DM_DIG_MIN;
+
+       digtable.backoffval_range_max = DM_DIG_BACKOFF_MAX;
+       digtable.backoffval_range_min = DM_DIG_BACKOFF_MIN;
+}
+
+static void _rtl92s_dm_init_dynamic_txpower(struct ieee80211_hw *hw)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+
+       if ((hal_get_firmwareversion(rtlpriv) >= 60) &&
+           (rtlpriv->dm.dm_type == DM_TYPE_BYDRIVER))
+               rtlpriv->dm.dynamic_txpower_enable = true;
+       else
+               rtlpriv->dm.dynamic_txpower_enable = false;
+
+       rtlpriv->dm.last_dtp_lvl = TX_HIGHPWR_LEVEL_NORMAL;
+       rtlpriv->dm.dynamic_txhighpower_lvl = TX_HIGHPWR_LEVEL_NORMAL;
+}
+
+void rtl92s_dm_init(struct ieee80211_hw *hw)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+
+       rtlpriv->dm.dm_type = DM_TYPE_BYDRIVER;
+       rtlpriv->dm.undecorated_smoothed_pwdb = -1;
+
+       _rtl92s_dm_init_dynamic_txpower(hw);
+       rtl92s_dm_init_edca_turbo(hw);
+       _rtl92s_dm_init_rate_adaptive_mask(hw);
+       _rtl92s_dm_init_txpowertracking_thermalmeter(hw);
+       _rtl92s_dm_init_dig(hw);
+
+       rtl_write_dword(rtlpriv, WFM5, FW_CCA_CHK_ENABLE);
+}
+
+void rtl92s_dm_watchdog(struct ieee80211_hw *hw)
+{
+       _rtl92s_dm_check_edca_turbo(hw);
+       _rtl92s_dm_check_txpowertracking_thermalmeter(hw);
+       _rtl92s_dm_ctrl_initgain_byrssi(hw);
+       _rtl92s_dm_dynamic_txpower(hw);
+       _rtl92s_dm_refresh_rateadaptive_mask(hw);
+       _rtl92s_dm_switch_baseband_mrc(hw);
+}
+
diff --git a/drivers/net/wireless/rtlwifi/rtl8192se/dm.h b/drivers/net/wireless/rtlwifi/rtl8192se/dm.h
new file mode 100644 (file)
index 0000000..9051a55
--- /dev/null
@@ -0,0 +1,164 @@
+/******************************************************************************
+ *
+ * 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>
+ *
+ *****************************************************************************/
+#ifndef        __RTL_92S_DM_H__
+#define __RTL_92S_DM_H__
+
+struct dig_t {
+       u8 dig_enable_flag;
+       u8 dig_algorithm;
+       u8 dig_twoport_algorithm;
+       u8 dig_ext_port_stage;
+       u8 dig_dbgmode;
+       u8 dig_slgorithm_switch;
+
+       long rssi_lowthresh;
+       long rssi_highthresh;
+
+       u32 fa_lowthresh;
+       u32 fa_highthresh;
+
+       long rssi_highpower_lowthresh;
+       long rssi_highpower_highthresh;
+
+       u8 dig_state;
+       u8 dig_highpwrstate;
+       u8 cur_sta_connectstate;
+       u8 pre_sta_connectstate;
+       u8 cur_ap_connectstate;
+       u8 pre_ap_connectstate;
+
+       u8 cur_pd_thstate;
+       u8 pre_pd_thstate;
+       u8 cur_cs_ratiostate;
+       u8 pre_cs_ratiostate;
+
+       u32 pre_igvalue;
+       u32     cur_igvalue;
+
+       u8 backoff_enable_flag;
+       char backoff_val;
+       char backoffval_range_max;
+       char backoffval_range_min;
+       u8 rx_gain_range_max;
+       u8 rx_gain_range_min;
+
+       long rssi_val;
+};
+
+enum dm_dig_alg {
+       DIG_ALGO_BY_FALSE_ALARM = 0,
+       DIG_ALGO_BY_RSSI        = 1,
+       DIG_ALGO_BEFORE_CONNECT_BY_RSSI_AND_ALARM = 2,
+       DIG_ALGO_BY_TOW_PORT = 3,
+       DIG_ALGO_MAX
+};
+
+enum dm_dig_two_port_alg {
+       DIG_TWO_PORT_ALGO_RSSI = 0,
+       DIG_TWO_PORT_ALGO_FALSE_ALARM = 1,
+};
+
+enum dm_dig_dbg {
+       DM_DBG_OFF = 0,
+       DM_DBG_ON = 1,
+       DM_DBG_MAX
+};
+
+enum dm_dig_sta {
+       DM_STA_DIG_OFF = 0,
+       DM_STA_DIG_ON,
+       DM_STA_DIG_MAX
+};
+
+enum dm_dig_connect {
+       DIG_STA_DISCONNECT = 0,
+       DIG_STA_CONNECT = 1,
+       DIG_STA_BEFORE_CONNECT = 2,
+       DIG_AP_DISCONNECT = 3,
+       DIG_AP_CONNECT = 4,
+       DIG_AP_ADD_STATION = 5,
+       DIG_CONNECT_MAX
+};
+
+enum dm_dig_ext_port_alg {
+       DIG_EXT_PORT_STAGE_0 = 0,
+       DIG_EXT_PORT_STAGE_1 = 1,
+       DIG_EXT_PORT_STAGE_2 = 2,
+       DIG_EXT_PORT_STAGE_3 = 3,
+       DIG_EXT_PORT_STAGE_MAX = 4,
+};
+
+enum dm_ratr_sta {
+       DM_RATR_STA_HIGH = 0,
+       DM_RATR_STA_MIDDLEHIGH = 1,
+       DM_RATR_STA_MIDDLE = 2,
+       DM_RATR_STA_MIDDLELOW = 3,
+       DM_RATR_STA_LOW = 4,
+       DM_RATR_STA_ULTRALOW = 5,
+       DM_RATR_STA_MAX
+};
+
+#define DM_TYPE_BYFW                   0
+#define DM_TYPE_BYDRIVER               1
+
+#define        TX_HIGH_PWR_LEVEL_NORMAL        0
+#define        TX_HIGH_PWR_LEVEL_LEVEL1        1
+#define        TX_HIGH_PWR_LEVEL_LEVEL2        2
+
+#define        HAL_DM_DIG_DISABLE              BIT(0)  /* Disable Dig */
+#define        HAL_DM_HIPWR_DISABLE            BIT(1)  /* Disable High Power */
+
+#define        TX_HIGHPWR_LEVEL_NORMAL         0
+#define        TX_HIGHPWR_LEVEL_NORMAL1        1
+#define        TX_HIGHPWR_LEVEL_NORMAL2        2
+
+#define        TX_POWER_NEAR_FIELD_THRESH_LVL2 74
+#define        TX_POWER_NEAR_FIELD_THRESH_LVL1 67
+
+#define DM_DIG_THRESH_HIGH             40
+#define DM_DIG_THRESH_LOW              35
+#define        DM_FALSEALARM_THRESH_LOW        40
+#define        DM_FALSEALARM_THRESH_HIGH       1000
+#define        DM_DIG_HIGH_PWR_THRESH_HIGH     75
+#define        DM_DIG_HIGH_PWR_THRESH_LOW      70
+#define        DM_DIG_BACKOFF                  12
+#define        DM_DIG_MAX                      0x3e
+#define        DM_DIG_MIN                      0x1c
+#define        DM_DIG_MIN_Netcore              0x12
+#define        DM_DIG_BACKOFF_MAX              12
+#define        DM_DIG_BACKOFF_MIN              -4
+
+extern struct dig_t digtable;
+
+void rtl92s_dm_watchdog(struct ieee80211_hw *hw);
+void rtl92s_dm_init(struct ieee80211_hw *hw);
+void rtl92s_dm_init_edca_turbo(struct ieee80211_hw *hw);
+
+#endif
+