linux/drivers/net/wireless/realtek/rtlwifi/rtl8192se/dm.c
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   1/******************************************************************************
   2 *
   3 * Copyright(c) 2009-2012  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 "../core.h"
  33#include "reg.h"
  34#include "def.h"
  35#include "phy.h"
  36#include "dm.h"
  37#include "fw.h"
  38
  39static const u32 edca_setting_dl[PEER_MAX] = {
  40        0xa44f,         /* 0 UNKNOWN */
  41        0x5ea44f,       /* 1 REALTEK_90 */
  42        0x5ea44f,       /* 2 REALTEK_92SE */
  43        0xa630,         /* 3 BROAD      */
  44        0xa44f,         /* 4 RAL */
  45        0xa630,         /* 5 ATH */
  46        0xa630,         /* 6 CISCO */
  47        0xa42b,         /* 7 MARV */
  48};
  49
  50static const u32 edca_setting_dl_gmode[PEER_MAX] = {
  51        0x4322,         /* 0 UNKNOWN */
  52        0xa44f,         /* 1 REALTEK_90 */
  53        0x5ea44f,       /* 2 REALTEK_92SE */
  54        0xa42b,         /* 3 BROAD */
  55        0x5e4322,       /* 4 RAL */
  56        0x4322,         /* 5 ATH */
  57        0xa430,         /* 6 CISCO */
  58        0x5ea44f,       /* 7 MARV */
  59};
  60
  61static const u32 edca_setting_ul[PEER_MAX] = {
  62        0x5e4322,       /* 0 UNKNOWN */
  63        0xa44f,         /* 1 REALTEK_90 */
  64        0x5ea44f,       /* 2 REALTEK_92SE */
  65        0x5ea322,       /* 3 BROAD */
  66        0x5ea422,       /* 4 RAL */
  67        0x5ea322,       /* 5 ATH */
  68        0x3ea44f,       /* 6 CISCO */
  69        0x5ea44f,       /* 7 MARV */
  70};
  71
  72static void _rtl92s_dm_check_edca_turbo(struct ieee80211_hw *hw)
  73{
  74        struct rtl_priv *rtlpriv = rtl_priv(hw);
  75        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
  76
  77        static u64 last_txok_cnt;
  78        static u64 last_rxok_cnt;
  79        u64 cur_txok_cnt = 0;
  80        u64 cur_rxok_cnt = 0;
  81
  82        u32 edca_be_ul = edca_setting_ul[mac->vendor];
  83        u32 edca_be_dl = edca_setting_dl[mac->vendor];
  84        u32 edca_gmode = edca_setting_dl_gmode[mac->vendor];
  85
  86        if (mac->link_state != MAC80211_LINKED) {
  87                rtlpriv->dm.current_turbo_edca = false;
  88                goto dm_checkedcaturbo_exit;
  89        }
  90
  91        if ((!rtlpriv->dm.is_any_nonbepkts) &&
  92            (!rtlpriv->dm.disable_framebursting)) {
  93                cur_txok_cnt = rtlpriv->stats.txbytesunicast - last_txok_cnt;
  94                cur_rxok_cnt = rtlpriv->stats.rxbytesunicast - last_rxok_cnt;
  95
  96                if (rtlpriv->phy.rf_type == RF_1T2R) {
  97                        if (cur_txok_cnt > 4 * cur_rxok_cnt) {
  98                                /* Uplink TP is present. */
  99                                if (rtlpriv->dm.is_cur_rdlstate ||
 100                                        !rtlpriv->dm.current_turbo_edca) {
 101                                        rtl_write_dword(rtlpriv, EDCAPARA_BE,
 102                                                        edca_be_ul);
 103                                        rtlpriv->dm.is_cur_rdlstate = false;
 104                                }
 105                        } else {/* Balance TP is present. */
 106                                if (!rtlpriv->dm.is_cur_rdlstate ||
 107                                        !rtlpriv->dm.current_turbo_edca) {
 108                                        if (mac->mode == WIRELESS_MODE_G ||
 109                                            mac->mode == WIRELESS_MODE_B)
 110                                                rtl_write_dword(rtlpriv,
 111                                                                EDCAPARA_BE,
 112                                                                edca_gmode);
 113                                        else
 114                                                rtl_write_dword(rtlpriv,
 115                                                                EDCAPARA_BE,
 116                                                                edca_be_dl);
 117                                        rtlpriv->dm.is_cur_rdlstate = true;
 118                                }
 119                        }
 120                        rtlpriv->dm.current_turbo_edca = true;
 121                } else {
 122                        if (cur_rxok_cnt > 4 * cur_txok_cnt) {
 123                                if (!rtlpriv->dm.is_cur_rdlstate ||
 124                                        !rtlpriv->dm.current_turbo_edca) {
 125                                        if (mac->mode == WIRELESS_MODE_G ||
 126                                            mac->mode == WIRELESS_MODE_B)
 127                                                rtl_write_dword(rtlpriv,
 128                                                                EDCAPARA_BE,
 129                                                                edca_gmode);
 130                                        else
 131                                                rtl_write_dword(rtlpriv,
 132                                                                EDCAPARA_BE,
 133                                                                edca_be_dl);
 134                                        rtlpriv->dm.is_cur_rdlstate = true;
 135                                }
 136                        } else {
 137                                if (rtlpriv->dm.is_cur_rdlstate ||
 138                                        !rtlpriv->dm.current_turbo_edca) {
 139                                        rtl_write_dword(rtlpriv, EDCAPARA_BE,
 140                                                        edca_be_ul);
 141                                        rtlpriv->dm.is_cur_rdlstate = false;
 142                                }
 143                        }
 144                        rtlpriv->dm.current_turbo_edca = true;
 145                }
 146        } else {
 147                if (rtlpriv->dm.current_turbo_edca) {
 148                        u8 tmp = AC0_BE;
 149                        rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AC_PARAM,
 150                                                      &tmp);
 151                        rtlpriv->dm.current_turbo_edca = false;
 152                }
 153        }
 154
 155dm_checkedcaturbo_exit:
 156        rtlpriv->dm.is_any_nonbepkts = false;
 157        last_txok_cnt = rtlpriv->stats.txbytesunicast;
 158        last_rxok_cnt = rtlpriv->stats.rxbytesunicast;
 159}
 160
 161static void _rtl92s_dm_txpowertracking_callback_thermalmeter(
 162                                        struct ieee80211_hw *hw)
 163{
 164        struct rtl_priv *rtlpriv = rtl_priv(hw);
 165        struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 166        u8 thermalvalue = 0;
 167        u32 fw_cmd = 0;
 168
 169        rtlpriv->dm.txpower_trackinginit = true;
 170
 171        thermalvalue = (u8)rtl_get_rfreg(hw, RF90_PATH_A, RF_T_METER, 0x1f);
 172
 173        RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
 174                 "Readback Thermal Meter = 0x%x pre thermal meter 0x%x eeprom_thermal meter 0x%x\n",
 175                 thermalvalue,
 176                 rtlpriv->dm.thermalvalue, rtlefuse->eeprom_thermalmeter);
 177
 178        if (thermalvalue) {
 179                rtlpriv->dm.thermalvalue = thermalvalue;
 180                if (hal_get_firmwareversion(rtlpriv) >= 0x35) {
 181                        rtl92s_phy_set_fw_cmd(hw, FW_CMD_TXPWR_TRACK_THERMAL);
 182                } else {
 183                        fw_cmd = (FW_TXPWR_TRACK_THERMAL |
 184                                 (rtlpriv->efuse.thermalmeter[0] << 8) |
 185                                 (thermalvalue << 16));
 186
 187                        RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
 188                                 "Write to FW Thermal Val = 0x%x\n", fw_cmd);
 189
 190                        rtl_write_dword(rtlpriv, WFM5, fw_cmd);
 191                        rtl92s_phy_chk_fwcmd_iodone(hw);
 192                }
 193        }
 194
 195        rtlpriv->dm.txpowercount = 0;
 196}
 197
 198static void _rtl92s_dm_check_txpowertracking_thermalmeter(
 199                                        struct ieee80211_hw *hw)
 200{
 201        struct rtl_priv *rtlpriv = rtl_priv(hw);
 202        struct rtl_phy *rtlphy = &(rtlpriv->phy);
 203        u8 tx_power_checkcnt = 5;
 204
 205        /* 2T2R TP issue */
 206        if (rtlphy->rf_type == RF_2T2R)
 207                return;
 208
 209        if (!rtlpriv->dm.txpower_tracking)
 210                return;
 211
 212        if (rtlpriv->dm.txpowercount <= tx_power_checkcnt) {
 213                rtlpriv->dm.txpowercount++;
 214                return;
 215        }
 216
 217        if (!rtlpriv->dm.tm_trigger) {
 218                rtl_set_rfreg(hw, RF90_PATH_A, RF_T_METER,
 219                              RFREG_OFFSET_MASK, 0x60);
 220                rtlpriv->dm.tm_trigger = 1;
 221        } else {
 222                _rtl92s_dm_txpowertracking_callback_thermalmeter(hw);
 223                rtlpriv->dm.tm_trigger = 0;
 224        }
 225}
 226
 227static void _rtl92s_dm_refresh_rateadaptive_mask(struct ieee80211_hw *hw)
 228{
 229        struct rtl_priv *rtlpriv = rtl_priv(hw);
 230        struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
 231        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 232        struct rate_adaptive *ra = &(rtlpriv->ra);
 233        struct ieee80211_sta *sta = NULL;
 234        u32 low_rssi_thresh = 0;
 235        u32 middle_rssi_thresh = 0;
 236        u32 high_rssi_thresh = 0;
 237
 238        if (is_hal_stop(rtlhal))
 239                return;
 240
 241        if (!rtlpriv->dm.useramask)
 242                return;
 243
 244        if (hal_get_firmwareversion(rtlpriv) >= 61 &&
 245            !rtlpriv->dm.inform_fw_driverctrldm) {
 246                rtl92s_phy_set_fw_cmd(hw, FW_CMD_CTRL_DM_BY_DRIVER);
 247                rtlpriv->dm.inform_fw_driverctrldm = true;
 248        }
 249
 250        if ((mac->link_state == MAC80211_LINKED) &&
 251            (mac->opmode == NL80211_IFTYPE_STATION)) {
 252                switch (ra->pre_ratr_state) {
 253                case DM_RATR_STA_HIGH:
 254                        high_rssi_thresh = 40;
 255                        middle_rssi_thresh = 30;
 256                        low_rssi_thresh = 20;
 257                        break;
 258                case DM_RATR_STA_MIDDLE:
 259                        high_rssi_thresh = 44;
 260                        middle_rssi_thresh = 30;
 261                        low_rssi_thresh = 20;
 262                        break;
 263                case DM_RATR_STA_LOW:
 264                        high_rssi_thresh = 44;
 265                        middle_rssi_thresh = 34;
 266                        low_rssi_thresh = 20;
 267                        break;
 268                case DM_RATR_STA_ULTRALOW:
 269                        high_rssi_thresh = 44;
 270                        middle_rssi_thresh = 34;
 271                        low_rssi_thresh = 24;
 272                        break;
 273                default:
 274                        high_rssi_thresh = 44;
 275                        middle_rssi_thresh = 34;
 276                        low_rssi_thresh = 24;
 277                        break;
 278                }
 279
 280                if (rtlpriv->dm.undec_sm_pwdb > (long)high_rssi_thresh) {
 281                        ra->ratr_state = DM_RATR_STA_HIGH;
 282                } else if (rtlpriv->dm.undec_sm_pwdb >
 283                           (long)middle_rssi_thresh) {
 284                        ra->ratr_state = DM_RATR_STA_LOW;
 285                } else if (rtlpriv->dm.undec_sm_pwdb >
 286                           (long)low_rssi_thresh) {
 287                        ra->ratr_state = DM_RATR_STA_LOW;
 288                } else {
 289                        ra->ratr_state = DM_RATR_STA_ULTRALOW;
 290                }
 291
 292                if (ra->pre_ratr_state != ra->ratr_state) {
 293                        RT_TRACE(rtlpriv, COMP_RATE, DBG_LOUD,
 294                                 "RSSI = %ld RSSI_LEVEL = %d PreState = %d, CurState = %d\n",
 295                                 rtlpriv->dm.undec_sm_pwdb, ra->ratr_state,
 296                                 ra->pre_ratr_state, ra->ratr_state);
 297
 298                        rcu_read_lock();
 299                        sta = rtl_find_sta(hw, mac->bssid);
 300                        if (sta)
 301                                rtlpriv->cfg->ops->update_rate_tbl(hw, sta,
 302                                                           ra->ratr_state);
 303                        rcu_read_unlock();
 304
 305                        ra->pre_ratr_state = ra->ratr_state;
 306                }
 307        }
 308}
 309
 310static void _rtl92s_dm_switch_baseband_mrc(struct ieee80211_hw *hw)
 311{
 312        struct rtl_priv *rtlpriv = rtl_priv(hw);
 313        struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
 314        struct rtl_phy *rtlphy = &(rtlpriv->phy);
 315        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 316        bool current_mrc;
 317        bool enable_mrc = true;
 318        long tmpentry_maxpwdb = 0;
 319        u8 rssi_a = 0;
 320        u8 rssi_b = 0;
 321
 322        if (is_hal_stop(rtlhal))
 323                return;
 324
 325        if ((rtlphy->rf_type == RF_1T1R) || (rtlphy->rf_type == RF_2T2R))
 326                return;
 327
 328        rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_MRC, (u8 *)(&current_mrc));
 329
 330        if (mac->link_state >= MAC80211_LINKED) {
 331                if (rtlpriv->dm.undec_sm_pwdb > tmpentry_maxpwdb) {
 332                        rssi_a = rtlpriv->stats.rx_rssi_percentage[RF90_PATH_A];
 333                        rssi_b = rtlpriv->stats.rx_rssi_percentage[RF90_PATH_B];
 334                }
 335        }
 336
 337        /* MRC settings would NOT affect TP on Wireless B mode. */
 338        if (mac->mode != WIRELESS_MODE_B) {
 339                if ((rssi_a == 0) && (rssi_b == 0)) {
 340                        enable_mrc = true;
 341                } else if (rssi_b > 30) {
 342                        /* Turn on B-Path */
 343                        enable_mrc = true;
 344                } else if (rssi_b < 5) {
 345                        /* Turn off B-path  */
 346                        enable_mrc = false;
 347                /* Take care of RSSI differentiation. */
 348                } else if (rssi_a > 15 && (rssi_a >= rssi_b)) {
 349                        if ((rssi_a - rssi_b) > 15)
 350                                /* Turn off B-path  */
 351                                enable_mrc = false;
 352                        else if ((rssi_a - rssi_b) < 10)
 353                                /* Turn on B-Path */
 354                                enable_mrc = true;
 355                        else
 356                                enable_mrc = current_mrc;
 357                } else {
 358                        /* Turn on B-Path */
 359                        enable_mrc = true;
 360                }
 361        }
 362
 363        /* Update MRC settings if needed. */
 364        if (enable_mrc != current_mrc)
 365                rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_MRC,
 366                                              (u8 *)&enable_mrc);
 367
 368}
 369
 370void rtl92s_dm_init_edca_turbo(struct ieee80211_hw *hw)
 371{
 372        struct rtl_priv *rtlpriv = rtl_priv(hw);
 373
 374        rtlpriv->dm.current_turbo_edca = false;
 375        rtlpriv->dm.is_any_nonbepkts = false;
 376        rtlpriv->dm.is_cur_rdlstate = false;
 377}
 378
 379static void _rtl92s_dm_init_rate_adaptive_mask(struct ieee80211_hw *hw)
 380{
 381        struct rtl_priv *rtlpriv = rtl_priv(hw);
 382        struct rate_adaptive *ra = &(rtlpriv->ra);
 383
 384        ra->ratr_state = DM_RATR_STA_MAX;
 385        ra->pre_ratr_state = DM_RATR_STA_MAX;
 386
 387        if (rtlpriv->dm.dm_type == DM_TYPE_BYDRIVER &&
 388            hal_get_firmwareversion(rtlpriv) >= 60)
 389                rtlpriv->dm.useramask = true;
 390        else
 391                rtlpriv->dm.useramask = false;
 392
 393        rtlpriv->dm.useramask = false;
 394        rtlpriv->dm.inform_fw_driverctrldm = false;
 395}
 396
 397static void _rtl92s_dm_init_txpowertracking_thermalmeter(
 398                                struct ieee80211_hw *hw)
 399{
 400        struct rtl_priv *rtlpriv = rtl_priv(hw);
 401
 402        rtlpriv->dm.txpower_tracking = true;
 403        rtlpriv->dm.txpowercount = 0;
 404        rtlpriv->dm.txpower_trackinginit = false;
 405}
 406
 407static void _rtl92s_dm_false_alarm_counter_statistics(struct ieee80211_hw *hw)
 408{
 409        struct rtl_priv *rtlpriv = rtl_priv(hw);
 410        struct false_alarm_statistics *falsealm_cnt = &(rtlpriv->falsealm_cnt);
 411        u32 ret_value;
 412
 413        ret_value = rtl_get_bbreg(hw, ROFDM_PHYCOUNTER1, MASKDWORD);
 414        falsealm_cnt->cnt_parity_fail = ((ret_value & 0xffff0000) >> 16);
 415
 416        ret_value = rtl_get_bbreg(hw, ROFDM_PHYCOUNTER2, MASKDWORD);
 417        falsealm_cnt->cnt_rate_illegal = (ret_value & 0xffff);
 418        falsealm_cnt->cnt_crc8_fail = ((ret_value & 0xffff0000) >> 16);
 419        ret_value = rtl_get_bbreg(hw, ROFDM_PHYCOUNTER3, MASKDWORD);
 420        falsealm_cnt->cnt_mcs_fail = (ret_value & 0xffff);
 421
 422        falsealm_cnt->cnt_ofdm_fail = falsealm_cnt->cnt_parity_fail +
 423                falsealm_cnt->cnt_rate_illegal + falsealm_cnt->cnt_crc8_fail +
 424                falsealm_cnt->cnt_mcs_fail;
 425
 426        /* read CCK false alarm */
 427        ret_value = rtl_get_bbreg(hw, 0xc64, MASKDWORD);
 428        falsealm_cnt->cnt_cck_fail = (ret_value & 0xffff);
 429        falsealm_cnt->cnt_all = falsealm_cnt->cnt_ofdm_fail +
 430                falsealm_cnt->cnt_cck_fail;
 431}
 432
 433static void rtl92s_backoff_enable_flag(struct ieee80211_hw *hw)
 434{
 435        struct rtl_priv *rtlpriv = rtl_priv(hw);
 436        struct dig_t *digtable = &rtlpriv->dm_digtable;
 437        struct false_alarm_statistics *falsealm_cnt = &(rtlpriv->falsealm_cnt);
 438
 439        if (falsealm_cnt->cnt_all > digtable->fa_highthresh) {
 440                if ((digtable->back_val - 6) <
 441                        digtable->backoffval_range_min)
 442                        digtable->back_val = digtable->backoffval_range_min;
 443                else
 444                        digtable->back_val -= 6;
 445        } else if (falsealm_cnt->cnt_all < digtable->fa_lowthresh) {
 446                if ((digtable->back_val + 6) >
 447                        digtable->backoffval_range_max)
 448                        digtable->back_val =
 449                                 digtable->backoffval_range_max;
 450                else
 451                        digtable->back_val += 6;
 452        }
 453}
 454
 455static void _rtl92s_dm_initial_gain_sta_beforeconnect(struct ieee80211_hw *hw)
 456{
 457        struct rtl_priv *rtlpriv = rtl_priv(hw);
 458        struct dig_t *digtable = &rtlpriv->dm_digtable;
 459        struct false_alarm_statistics *falsealm_cnt = &(rtlpriv->falsealm_cnt);
 460        static u8 initialized, force_write;
 461        u8 initial_gain = 0;
 462
 463        if ((digtable->pre_sta_cstate == digtable->cur_sta_cstate) ||
 464            (digtable->cur_sta_cstate == DIG_STA_BEFORE_CONNECT)) {
 465                if (digtable->cur_sta_cstate == DIG_STA_BEFORE_CONNECT) {
 466                        if (rtlpriv->psc.rfpwr_state != ERFON)
 467                                return;
 468
 469                        if (digtable->backoff_enable_flag)
 470                                rtl92s_backoff_enable_flag(hw);
 471                        else
 472                                digtable->back_val = DM_DIG_BACKOFF_MAX;
 473
 474                        if ((digtable->rssi_val + 10 - digtable->back_val) >
 475                                digtable->rx_gain_max)
 476                                digtable->cur_igvalue =
 477                                                digtable->rx_gain_max;
 478                        else if ((digtable->rssi_val + 10 - digtable->back_val)
 479                                 < digtable->rx_gain_min)
 480                                digtable->cur_igvalue =
 481                                                digtable->rx_gain_min;
 482                        else
 483                                digtable->cur_igvalue = digtable->rssi_val + 10
 484                                        - digtable->back_val;
 485
 486                        if (falsealm_cnt->cnt_all > 10000)
 487                                digtable->cur_igvalue =
 488                                         (digtable->cur_igvalue > 0x33) ?
 489                                         digtable->cur_igvalue : 0x33;
 490
 491                        if (falsealm_cnt->cnt_all > 16000)
 492                                digtable->cur_igvalue =
 493                                                 digtable->rx_gain_max;
 494                /* connected -> connected or disconnected -> disconnected  */
 495                } else {
 496                        /* Firmware control DIG, do nothing in driver dm */
 497                        return;
 498                }
 499                /* disconnected -> connected or connected ->
 500                 * disconnected or beforeconnect->(dis)connected */
 501        } else {
 502                /* Enable FW DIG */
 503                digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
 504                rtl92s_phy_set_fw_cmd(hw, FW_CMD_DIG_ENABLE);
 505
 506                digtable->back_val = DM_DIG_BACKOFF_MAX;
 507                digtable->cur_igvalue = rtlpriv->phy.default_initialgain[0];
 508                digtable->pre_igvalue = 0;
 509                return;
 510        }
 511
 512        /* Forced writing to prevent from fw-dig overwriting. */
 513        if (digtable->pre_igvalue != rtl_get_bbreg(hw, ROFDM0_XAAGCCORE1,
 514                                                  MASKBYTE0))
 515                force_write = 1;
 516
 517        if ((digtable->pre_igvalue != digtable->cur_igvalue) ||
 518            !initialized || force_write) {
 519                /* Disable FW DIG */
 520                rtl92s_phy_set_fw_cmd(hw, FW_CMD_DIG_DISABLE);
 521
 522                initial_gain = (u8)digtable->cur_igvalue;
 523
 524                /* Set initial gain. */
 525                rtl_set_bbreg(hw, ROFDM0_XAAGCCORE1, MASKBYTE0, initial_gain);
 526                rtl_set_bbreg(hw, ROFDM0_XBAGCCORE1, MASKBYTE0, initial_gain);
 527                digtable->pre_igvalue = digtable->cur_igvalue;
 528                initialized = 1;
 529                force_write = 0;
 530        }
 531}
 532
 533static void _rtl92s_dm_ctrl_initgain_bytwoport(struct ieee80211_hw *hw)
 534{
 535        struct rtl_priv *rtlpriv = rtl_priv(hw);
 536        struct dig_t *dig = &rtlpriv->dm_digtable;
 537
 538        if (rtlpriv->mac80211.act_scanning)
 539                return;
 540
 541        /* Decide the current status and if modify initial gain or not */
 542        if (rtlpriv->mac80211.link_state >= MAC80211_LINKED ||
 543            rtlpriv->mac80211.opmode == NL80211_IFTYPE_ADHOC)
 544                dig->cur_sta_cstate = DIG_STA_CONNECT;
 545        else
 546                dig->cur_sta_cstate = DIG_STA_DISCONNECT;
 547
 548        dig->rssi_val = rtlpriv->dm.undec_sm_pwdb;
 549
 550        /* Change dig mode to rssi */
 551        if (dig->cur_sta_cstate != DIG_STA_DISCONNECT) {
 552                if (dig->dig_twoport_algorithm ==
 553                    DIG_TWO_PORT_ALGO_FALSE_ALARM) {
 554                        dig->dig_twoport_algorithm = DIG_TWO_PORT_ALGO_RSSI;
 555                        rtl92s_phy_set_fw_cmd(hw, FW_CMD_DIG_MODE_SS);
 556                }
 557        }
 558
 559        _rtl92s_dm_false_alarm_counter_statistics(hw);
 560        _rtl92s_dm_initial_gain_sta_beforeconnect(hw);
 561
 562        dig->pre_sta_cstate = dig->cur_sta_cstate;
 563}
 564
 565static void _rtl92s_dm_ctrl_initgain_byrssi(struct ieee80211_hw *hw)
 566{
 567        struct rtl_priv *rtlpriv = rtl_priv(hw);
 568        struct rtl_phy *rtlphy = &(rtlpriv->phy);
 569        struct dig_t *digtable = &rtlpriv->dm_digtable;
 570
 571        /* 2T2R TP issue */
 572        if (rtlphy->rf_type == RF_2T2R)
 573                return;
 574
 575        if (!rtlpriv->dm.dm_initialgain_enable)
 576                return;
 577
 578        if (digtable->dig_enable_flag == false)
 579                return;
 580
 581        _rtl92s_dm_ctrl_initgain_bytwoport(hw);
 582}
 583
 584static void _rtl92s_dm_dynamic_txpower(struct ieee80211_hw *hw)
 585{
 586        struct rtl_priv *rtlpriv = rtl_priv(hw);
 587        struct rtl_phy *rtlphy = &(rtlpriv->phy);
 588        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 589        long undec_sm_pwdb;
 590        long txpwr_threshold_lv1, txpwr_threshold_lv2;
 591
 592        /* 2T2R TP issue */
 593        if (rtlphy->rf_type == RF_2T2R)
 594                return;
 595
 596        if (!rtlpriv->dm.dynamic_txpower_enable ||
 597            rtlpriv->dm.dm_flag & HAL_DM_HIPWR_DISABLE) {
 598                rtlpriv->dm.dynamic_txhighpower_lvl = TX_HIGHPWR_LEVEL_NORMAL;
 599                return;
 600        }
 601
 602        if ((mac->link_state < MAC80211_LINKED) &&
 603            (rtlpriv->dm.entry_min_undec_sm_pwdb == 0)) {
 604                RT_TRACE(rtlpriv, COMP_POWER, DBG_TRACE,
 605                         "Not connected to any\n");
 606
 607                rtlpriv->dm.dynamic_txhighpower_lvl = TX_HIGHPWR_LEVEL_NORMAL;
 608
 609                rtlpriv->dm.last_dtp_lvl = TX_HIGHPWR_LEVEL_NORMAL;
 610                return;
 611        }
 612
 613        if (mac->link_state >= MAC80211_LINKED) {
 614                if (mac->opmode == NL80211_IFTYPE_ADHOC) {
 615                        undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb;
 616                        RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
 617                                 "AP Client PWDB = 0x%lx\n",
 618                                 undec_sm_pwdb);
 619                } else {
 620                        undec_sm_pwdb = rtlpriv->dm.undec_sm_pwdb;
 621                        RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
 622                                 "STA Default Port PWDB = 0x%lx\n",
 623                                 undec_sm_pwdb);
 624                }
 625        } else {
 626                undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb;
 627
 628                RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
 629                         "AP Ext Port PWDB = 0x%lx\n",
 630                         undec_sm_pwdb);
 631        }
 632
 633        txpwr_threshold_lv2 = TX_POWER_NEAR_FIELD_THRESH_LVL2;
 634        txpwr_threshold_lv1 = TX_POWER_NEAR_FIELD_THRESH_LVL1;
 635
 636        if (rtl_get_bbreg(hw, 0xc90, MASKBYTE0) == 1)
 637                rtlpriv->dm.dynamic_txhighpower_lvl = TX_HIGHPWR_LEVEL_NORMAL;
 638        else if (undec_sm_pwdb >= txpwr_threshold_lv2)
 639                rtlpriv->dm.dynamic_txhighpower_lvl = TX_HIGHPWR_LEVEL_NORMAL2;
 640        else if ((undec_sm_pwdb < (txpwr_threshold_lv2 - 3)) &&
 641                (undec_sm_pwdb >= txpwr_threshold_lv1))
 642                rtlpriv->dm.dynamic_txhighpower_lvl = TX_HIGHPWR_LEVEL_NORMAL1;
 643        else if (undec_sm_pwdb < (txpwr_threshold_lv1 - 3))
 644                rtlpriv->dm.dynamic_txhighpower_lvl = TX_HIGHPWR_LEVEL_NORMAL;
 645
 646        if ((rtlpriv->dm.dynamic_txhighpower_lvl != rtlpriv->dm.last_dtp_lvl))
 647                rtl92s_phy_set_txpower(hw, rtlphy->current_channel);
 648
 649        rtlpriv->dm.last_dtp_lvl = rtlpriv->dm.dynamic_txhighpower_lvl;
 650}
 651
 652static void _rtl92s_dm_init_dig(struct ieee80211_hw *hw)
 653{
 654        struct rtl_priv *rtlpriv = rtl_priv(hw);
 655        struct dig_t *digtable = &rtlpriv->dm_digtable;
 656
 657        /* Disable DIG scheme now.*/
 658        digtable->dig_enable_flag = true;
 659        digtable->backoff_enable_flag = true;
 660
 661        if ((rtlpriv->dm.dm_type == DM_TYPE_BYDRIVER) &&
 662            (hal_get_firmwareversion(rtlpriv) >= 0x3c))
 663                digtable->dig_algorithm = DIG_ALGO_BY_TOW_PORT;
 664        else
 665                digtable->dig_algorithm =
 666                         DIG_ALGO_BEFORE_CONNECT_BY_RSSI_AND_ALARM;
 667
 668        digtable->dig_twoport_algorithm = DIG_TWO_PORT_ALGO_RSSI;
 669        digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
 670        /* off=by real rssi value, on=by digtable->rssi_val for new dig */
 671        digtable->dig_dbgmode = DM_DBG_OFF;
 672        digtable->dig_slgorithm_switch = 0;
 673
 674        /* 2007/10/04 MH Define init gain threshol. */
 675        digtable->dig_state = DM_STA_DIG_MAX;
 676        digtable->dig_highpwrstate = DM_STA_DIG_MAX;
 677
 678        digtable->cur_sta_cstate = DIG_STA_DISCONNECT;
 679        digtable->pre_sta_cstate = DIG_STA_DISCONNECT;
 680        digtable->cur_ap_cstate = DIG_AP_DISCONNECT;
 681        digtable->pre_ap_cstate = DIG_AP_DISCONNECT;
 682
 683        digtable->rssi_lowthresh = DM_DIG_THRESH_LOW;
 684        digtable->rssi_highthresh = DM_DIG_THRESH_HIGH;
 685
 686        digtable->fa_lowthresh = DM_FALSEALARM_THRESH_LOW;
 687        digtable->fa_highthresh = DM_FALSEALARM_THRESH_HIGH;
 688
 689        digtable->rssi_highpower_lowthresh = DM_DIG_HIGH_PWR_THRESH_LOW;
 690        digtable->rssi_highpower_highthresh = DM_DIG_HIGH_PWR_THRESH_HIGH;
 691
 692        /* for dig debug rssi value */
 693        digtable->rssi_val = 50;
 694        digtable->back_val = DM_DIG_BACKOFF_MAX;
 695        digtable->rx_gain_max = DM_DIG_MAX;
 696
 697        digtable->rx_gain_min = DM_DIG_MIN;
 698
 699        digtable->backoffval_range_max = DM_DIG_BACKOFF_MAX;
 700        digtable->backoffval_range_min = DM_DIG_BACKOFF_MIN;
 701}
 702
 703static void _rtl92s_dm_init_dynamic_txpower(struct ieee80211_hw *hw)
 704{
 705        struct rtl_priv *rtlpriv = rtl_priv(hw);
 706
 707        if ((hal_get_firmwareversion(rtlpriv) >= 60) &&
 708            (rtlpriv->dm.dm_type == DM_TYPE_BYDRIVER))
 709                rtlpriv->dm.dynamic_txpower_enable = true;
 710        else
 711                rtlpriv->dm.dynamic_txpower_enable = false;
 712
 713        rtlpriv->dm.last_dtp_lvl = TX_HIGHPWR_LEVEL_NORMAL;
 714        rtlpriv->dm.dynamic_txhighpower_lvl = TX_HIGHPWR_LEVEL_NORMAL;
 715}
 716
 717void rtl92s_dm_init(struct ieee80211_hw *hw)
 718{
 719        struct rtl_priv *rtlpriv = rtl_priv(hw);
 720
 721        rtlpriv->dm.dm_type = DM_TYPE_BYDRIVER;
 722        rtlpriv->dm.undec_sm_pwdb = -1;
 723
 724        _rtl92s_dm_init_dynamic_txpower(hw);
 725        rtl92s_dm_init_edca_turbo(hw);
 726        _rtl92s_dm_init_rate_adaptive_mask(hw);
 727        _rtl92s_dm_init_txpowertracking_thermalmeter(hw);
 728        _rtl92s_dm_init_dig(hw);
 729
 730        rtl_write_dword(rtlpriv, WFM5, FW_CCA_CHK_ENABLE);
 731}
 732
 733void rtl92s_dm_watchdog(struct ieee80211_hw *hw)
 734{
 735        _rtl92s_dm_check_edca_turbo(hw);
 736        _rtl92s_dm_check_txpowertracking_thermalmeter(hw);
 737        _rtl92s_dm_ctrl_initgain_byrssi(hw);
 738        _rtl92s_dm_dynamic_txpower(hw);
 739        _rtl92s_dm_refresh_rateadaptive_mask(hw);
 740        _rtl92s_dm_switch_baseband_mrc(hw);
 741}
 742
 743