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 *)(¤t_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