1 /****************************************************************************** 2 * 3 * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved. 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 ******************************************************************************/ 15 #define _RTW_PWRCTRL_C_ 16 17 #include <drv_types.h> 18 #include <rtw_debug.h> 19 #include <hal_data.h> 20 #include <linux/jiffies.h> 21 22 23 void _ips_enter(struct adapter *padapter) 24 { 25 struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter); 26 27 pwrpriv->bips_processing = true; 28 29 /* syn ips_mode with request */ 30 pwrpriv->ips_mode = pwrpriv->ips_mode_req; 31 32 pwrpriv->ips_enter_cnts++; 33 DBG_871X("==>ips_enter cnts:%d\n", pwrpriv->ips_enter_cnts); 34 35 if (rf_off == pwrpriv->change_rfpwrstate) { 36 pwrpriv->bpower_saving = true; 37 DBG_871X_LEVEL(_drv_always_, "nolinked power save enter\n"); 38 39 if (pwrpriv->ips_mode == IPS_LEVEL_2) 40 pwrpriv->bkeepfwalive = true; 41 42 rtw_ips_pwr_down(padapter); 43 pwrpriv->rf_pwrstate = rf_off; 44 } 45 pwrpriv->bips_processing = false; 46 47 } 48 49 void ips_enter(struct adapter *padapter) 50 { 51 struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter); 52 53 54 rtw_btcoex_IpsNotify(padapter, pwrpriv->ips_mode_req); 55 56 down(&pwrpriv->lock); 57 _ips_enter(padapter); 58 up(&pwrpriv->lock); 59 } 60 61 int _ips_leave(struct adapter *padapter) 62 { 63 struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter); 64 int result = _SUCCESS; 65 66 if ((pwrpriv->rf_pwrstate == rf_off) && (!pwrpriv->bips_processing)) { 67 pwrpriv->bips_processing = true; 68 pwrpriv->change_rfpwrstate = rf_on; 69 pwrpriv->ips_leave_cnts++; 70 DBG_871X("==>ips_leave cnts:%d\n", pwrpriv->ips_leave_cnts); 71 72 result = rtw_ips_pwr_up(padapter); 73 if (result == _SUCCESS) { 74 pwrpriv->rf_pwrstate = rf_on; 75 } 76 DBG_871X_LEVEL(_drv_always_, "nolinked power save leave\n"); 77 78 DBG_871X("==> ips_leave.....LED(0x%08x)...\n", rtw_read32(padapter, 0x4c)); 79 pwrpriv->bips_processing = false; 80 81 pwrpriv->bkeepfwalive = false; 82 pwrpriv->bpower_saving = false; 83 } 84 85 return result; 86 } 87 88 int ips_leave(struct adapter *padapter) 89 { 90 struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter); 91 int ret; 92 93 if (!is_primary_adapter(padapter)) 94 return _SUCCESS; 95 96 down(&pwrpriv->lock); 97 ret = _ips_leave(padapter); 98 up(&pwrpriv->lock); 99 100 if (_SUCCESS == ret) 101 rtw_btcoex_IpsNotify(padapter, IPS_NONE); 102 103 return ret; 104 } 105 106 static bool rtw_pwr_unassociated_idle(struct adapter *adapter) 107 { 108 struct adapter *buddy = adapter->pbuddy_adapter; 109 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv); 110 struct xmit_priv *pxmit_priv = &adapter->xmitpriv; 111 112 bool ret = false; 113 114 if (adapter_to_pwrctl(adapter)->bpower_saving == true) { 115 /* DBG_871X("%s: already in LPS or IPS mode\n", __func__); */ 116 goto exit; 117 } 118 119 if (time_before(jiffies, adapter_to_pwrctl(adapter)->ips_deny_time)) { 120 /* DBG_871X("%s ips_deny_time\n", __func__); */ 121 goto exit; 122 } 123 124 if (check_fwstate(pmlmepriv, WIFI_ASOC_STATE|WIFI_SITE_MONITOR) 125 || check_fwstate(pmlmepriv, WIFI_UNDER_LINKING|WIFI_UNDER_WPS) 126 || check_fwstate(pmlmepriv, WIFI_AP_STATE) 127 || check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE|WIFI_ADHOC_STATE) 128 ) 129 goto exit; 130 131 /* consider buddy, if exist */ 132 if (buddy) { 133 struct mlme_priv *b_pmlmepriv = &(buddy->mlmepriv); 134 135 if (check_fwstate(b_pmlmepriv, WIFI_ASOC_STATE|WIFI_SITE_MONITOR) 136 || check_fwstate(b_pmlmepriv, WIFI_UNDER_LINKING|WIFI_UNDER_WPS) 137 || check_fwstate(b_pmlmepriv, WIFI_AP_STATE) 138 || check_fwstate(b_pmlmepriv, WIFI_ADHOC_MASTER_STATE|WIFI_ADHOC_STATE) 139 ) 140 goto exit; 141 } 142 143 if (pxmit_priv->free_xmitbuf_cnt != NR_XMITBUFF || 144 pxmit_priv->free_xmit_extbuf_cnt != NR_XMIT_EXTBUFF) { 145 DBG_871X_LEVEL(_drv_always_, "There are some pkts to transmit\n"); 146 DBG_871X_LEVEL(_drv_always_, "free_xmitbuf_cnt: %d, free_xmit_extbuf_cnt: %d\n", 147 pxmit_priv->free_xmitbuf_cnt, pxmit_priv->free_xmit_extbuf_cnt); 148 goto exit; 149 } 150 151 ret = true; 152 153 exit: 154 return ret; 155 } 156 157 158 /* 159 * ATTENTION: 160 *rtw_ps_processor() doesn't handle LPS. 161 */ 162 void rtw_ps_processor(struct adapter *padapter) 163 { 164 struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter); 165 struct dvobj_priv *psdpriv = padapter->dvobj; 166 struct debug_priv *pdbgpriv = &psdpriv->drv_dbg; 167 u32 ps_deny = 0; 168 169 down(&adapter_to_pwrctl(padapter)->lock); 170 ps_deny = rtw_ps_deny_get(padapter); 171 up(&adapter_to_pwrctl(padapter)->lock); 172 if (ps_deny != 0) { 173 DBG_871X(FUNC_ADPT_FMT ": ps_deny = 0x%08X, skip power save!\n", 174 FUNC_ADPT_ARG(padapter), ps_deny); 175 goto exit; 176 } 177 178 if (pwrpriv->bInSuspend == true) {/* system suspend or autosuspend */ 179 pdbgpriv->dbg_ps_insuspend_cnt++; 180 DBG_871X("%s, pwrpriv->bInSuspend == true ignore this process\n", __func__); 181 return; 182 } 183 184 pwrpriv->ps_processing = true; 185 186 if (pwrpriv->ips_mode_req == IPS_NONE) 187 goto exit; 188 189 if (rtw_pwr_unassociated_idle(padapter) == false) 190 goto exit; 191 192 if ((pwrpriv->rf_pwrstate == rf_on) && ((pwrpriv->pwr_state_check_cnts%4) == 0)) { 193 DBG_871X("==>%s\n", __func__); 194 pwrpriv->change_rfpwrstate = rf_off; 195 { 196 ips_enter(padapter); 197 } 198 } 199 exit: 200 pwrpriv->ps_processing = false; 201 return; 202 } 203 204 void pwr_state_check_handler(RTW_TIMER_HDL_ARGS); 205 void pwr_state_check_handler(RTW_TIMER_HDL_ARGS) 206 { 207 struct adapter *padapter = (struct adapter *)FunctionContext; 208 rtw_ps_cmd(padapter); 209 } 210 211 void traffic_check_for_leave_lps(struct adapter *padapter, u8 tx, u32 tx_packets) 212 { 213 static unsigned long start_time = 0; 214 static u32 xmit_cnt = 0; 215 u8 bLeaveLPS = false; 216 struct mlme_priv *pmlmepriv = &padapter->mlmepriv; 217 218 219 220 if (tx) { /* from tx */ 221 xmit_cnt += tx_packets; 222 223 if (start_time == 0) 224 start_time = jiffies; 225 226 if (jiffies_to_msecs(jiffies - start_time) > 2000) { /* 2 sec == watch dog timer */ 227 if (xmit_cnt > 8) { 228 if ((adapter_to_pwrctl(padapter)->bLeisurePs) 229 && (adapter_to_pwrctl(padapter)->pwr_mode != PS_MODE_ACTIVE) 230 && (rtw_btcoex_IsBtControlLps(padapter) == false) 231 ) { 232 DBG_871X("leave lps via Tx = %d\n", xmit_cnt); 233 bLeaveLPS = true; 234 } 235 } 236 237 start_time = jiffies; 238 xmit_cnt = 0; 239 } 240 241 } else { /* from rx path */ 242 if (pmlmepriv->LinkDetectInfo.NumRxUnicastOkInPeriod > 4/*2*/) { 243 if ((adapter_to_pwrctl(padapter)->bLeisurePs) 244 && (adapter_to_pwrctl(padapter)->pwr_mode != PS_MODE_ACTIVE) 245 && (rtw_btcoex_IsBtControlLps(padapter) == false) 246 ) { 247 DBG_871X("leave lps via Rx = %d\n", pmlmepriv->LinkDetectInfo.NumRxUnicastOkInPeriod); 248 bLeaveLPS = true; 249 } 250 } 251 } 252 253 if (bLeaveLPS) 254 /* DBG_871X("leave lps via %s, Tx = %d, Rx = %d\n", tx?"Tx":"Rx", pmlmepriv->LinkDetectInfo.NumTxOkInPeriod, pmlmepriv->LinkDetectInfo.NumRxUnicastOkInPeriod); */ 255 /* rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_LEAVE, 1); */ 256 rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_LEAVE, tx?0:1); 257 } 258 259 /* 260 * Description: 261 *This function MUST be called under power lock protect 262 * 263 * Parameters 264 *padapter 265 *pslv power state level, only could be PS_STATE_S0 ~ PS_STATE_S4 266 * 267 */ 268 void rtw_set_rpwm(struct adapter *padapter, u8 pslv) 269 { 270 u8 rpwm; 271 struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter); 272 u8 cpwm_orig; 273 274 pslv = PS_STATE(pslv); 275 276 if (pwrpriv->brpwmtimeout == true) { 277 DBG_871X("%s: RPWM timeout, force to set RPWM(0x%02X) again!\n", __func__, pslv); 278 } else{ 279 if ((pwrpriv->rpwm == pslv) 280 || ((pwrpriv->rpwm >= PS_STATE_S2) && (pslv >= PS_STATE_S2))) { 281 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_err_, 282 ("%s: Already set rpwm[0x%02X], new = 0x%02X!\n", __func__, pwrpriv->rpwm, pslv)); 283 return; 284 } 285 } 286 287 if ((padapter->bSurpriseRemoved == true) || 288 (padapter->hw_init_completed == false)) { 289 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_err_, 290 ("%s: SurpriseRemoved(%d) hw_init_completed(%d)\n", 291 __func__, padapter->bSurpriseRemoved, padapter->hw_init_completed)); 292 293 pwrpriv->cpwm = PS_STATE_S4; 294 295 return; 296 } 297 298 if (padapter->bDriverStopped == true) { 299 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_err_, 300 ("%s: change power state(0x%02X) when DriverStopped\n", __func__, pslv)); 301 302 if (pslv < PS_STATE_S2) { 303 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_err_, 304 ("%s: Reject to enter PS_STATE(0x%02X) lower than S2 when DriverStopped!!\n", __func__, pslv)); 305 return; 306 } 307 } 308 309 rpwm = pslv | pwrpriv->tog; 310 /* only when from PS_STATE S0/S1 to S2 and higher needs ACK */ 311 if ((pwrpriv->cpwm < PS_STATE_S2) && (pslv >= PS_STATE_S2)) 312 rpwm |= PS_ACK; 313 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_, 314 ("rtw_set_rpwm: rpwm = 0x%02x cpwm = 0x%02x\n", rpwm, pwrpriv->cpwm)); 315 316 pwrpriv->rpwm = pslv; 317 318 cpwm_orig = 0; 319 if (rpwm & PS_ACK) 320 rtw_hal_get_hwreg(padapter, HW_VAR_CPWM, &cpwm_orig); 321 322 if (rpwm & PS_ACK) 323 _set_timer(&pwrpriv->pwr_rpwm_timer, LPS_RPWM_WAIT_MS); 324 rtw_hal_set_hwreg(padapter, HW_VAR_SET_RPWM, (u8 *)(&rpwm)); 325 326 pwrpriv->tog += 0x80; 327 328 /* No LPS 32K, No Ack */ 329 if (rpwm & PS_ACK) { 330 unsigned long start_time; 331 u8 cpwm_now; 332 u8 poll_cnt = 0; 333 334 start_time = jiffies; 335 336 /* polling cpwm */ 337 do { 338 mdelay(1); 339 poll_cnt++; 340 rtw_hal_get_hwreg(padapter, HW_VAR_CPWM, &cpwm_now); 341 if ((cpwm_orig ^ cpwm_now) & 0x80) { 342 pwrpriv->cpwm = PS_STATE_S4; 343 pwrpriv->cpwm_tog = cpwm_now & PS_TOGGLE; 344 break; 345 } 346 347 if (jiffies_to_msecs(jiffies - start_time) > LPS_RPWM_WAIT_MS) { 348 DBG_871X("%s: polling cpwm timeout! poll_cnt =%d, cpwm_orig =%02x, cpwm_now =%02x\n", __func__, poll_cnt, cpwm_orig, cpwm_now); 349 _set_timer(&pwrpriv->pwr_rpwm_timer, 1); 350 break; 351 } 352 } while (1); 353 } else 354 pwrpriv->cpwm = pslv; 355 } 356 357 static u8 PS_RDY_CHECK(struct adapter *padapter) 358 { 359 unsigned long curr_time, delta_time; 360 struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter); 361 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv); 362 363 #if defined(CONFIG_WOWLAN) || defined(CONFIG_AP_WOWLAN) 364 if (true == pwrpriv->bInSuspend && pwrpriv->wowlan_mode) 365 return true; 366 else if (true == pwrpriv->bInSuspend && pwrpriv->wowlan_ap_mode) 367 return true; 368 else if (true == pwrpriv->bInSuspend) 369 return false; 370 #else 371 if (true == pwrpriv->bInSuspend) 372 return false; 373 #endif 374 375 curr_time = jiffies; 376 377 delta_time = curr_time - pwrpriv->DelayLPSLastTimeStamp; 378 379 if (delta_time < LPS_DELAY_TIME) 380 return false; 381 382 if (check_fwstate(pmlmepriv, WIFI_SITE_MONITOR) 383 || check_fwstate(pmlmepriv, WIFI_UNDER_LINKING|WIFI_UNDER_WPS) 384 || check_fwstate(pmlmepriv, WIFI_AP_STATE) 385 || check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE|WIFI_ADHOC_STATE) 386 || rtw_is_scan_deny(padapter) 387 ) 388 return false; 389 390 if ((padapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) && (padapter->securitypriv.binstallGrpkey == false)) { 391 DBG_871X("Group handshake still in progress !!!\n"); 392 return false; 393 } 394 395 if (!rtw_cfg80211_pwr_mgmt(padapter)) 396 return false; 397 398 return true; 399 } 400 401 void rtw_set_ps_mode(struct adapter *padapter, u8 ps_mode, u8 smart_ps, u8 bcn_ant_mode, const char *msg) 402 { 403 struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter); 404 #if defined(CONFIG_WOWLAN) || defined(CONFIG_AP_WOWLAN) 405 struct debug_priv *pdbgpriv = &padapter->dvobj->drv_dbg; 406 #endif 407 408 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_, 409 ("%s: PowerMode =%d Smart_PS =%d\n", 410 __func__, ps_mode, smart_ps)); 411 412 if (ps_mode > PM_Card_Disable) { 413 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_err_, ("ps_mode:%d error\n", ps_mode)); 414 return; 415 } 416 417 if (pwrpriv->pwr_mode == ps_mode) 418 if (PS_MODE_ACTIVE == ps_mode) 419 return; 420 421 422 down(&pwrpriv->lock); 423 424 /* if (pwrpriv->pwr_mode == PS_MODE_ACTIVE) */ 425 if (ps_mode == PS_MODE_ACTIVE) { 426 if (1 427 && (((rtw_btcoex_IsBtControlLps(padapter) == false) 428 ) 429 || ((rtw_btcoex_IsBtControlLps(padapter) == true) 430 && (rtw_btcoex_IsLpsOn(padapter) == false)) 431 ) 432 ) { 433 DBG_871X(FUNC_ADPT_FMT" Leave 802.11 power save - %s\n", 434 FUNC_ADPT_ARG(padapter), msg); 435 436 pwrpriv->pwr_mode = ps_mode; 437 rtw_set_rpwm(padapter, PS_STATE_S4); 438 439 #if defined(CONFIG_WOWLAN) || defined(CONFIG_AP_WOWLAN) 440 if (pwrpriv->wowlan_mode == true || 441 pwrpriv->wowlan_ap_mode == true) { 442 unsigned long start_time; 443 u32 delay_ms; 444 u8 val8; 445 delay_ms = 20; 446 start_time = jiffies; 447 do { 448 rtw_hal_get_hwreg(padapter, HW_VAR_SYS_CLKR, &val8); 449 if (!(val8 & BIT(4))) { /* 0x08 bit4 = 1 --> in 32k, bit4 = 0 --> leave 32k */ 450 pwrpriv->cpwm = PS_STATE_S4; 451 break; 452 } 453 if (jiffies_to_msecs(jiffies - start_time) > delay_ms) { 454 DBG_871X("%s: Wait for FW 32K leave more than %u ms!!!\n", 455 __func__, delay_ms); 456 pdbgpriv->dbg_wow_leave_ps_fail_cnt++; 457 break; 458 } 459 msleep(1); 460 } while (1); 461 } 462 #endif 463 rtw_hal_set_hwreg(padapter, HW_VAR_H2C_FW_PWRMODE, (u8 *)(&ps_mode)); 464 pwrpriv->bFwCurrentInPSMode = false; 465 466 rtw_btcoex_LpsNotify(padapter, ps_mode); 467 } 468 } else{ 469 if ((PS_RDY_CHECK(padapter) && check_fwstate(&padapter->mlmepriv, WIFI_ASOC_STATE)) 470 || ((rtw_btcoex_IsBtControlLps(padapter) == true) 471 && (rtw_btcoex_IsLpsOn(padapter) == true)) 472 ) { 473 u8 pslv; 474 475 DBG_871X(FUNC_ADPT_FMT" Enter 802.11 power save - %s\n", 476 FUNC_ADPT_ARG(padapter), msg); 477 478 rtw_btcoex_LpsNotify(padapter, ps_mode); 479 480 pwrpriv->bFwCurrentInPSMode = true; 481 pwrpriv->pwr_mode = ps_mode; 482 pwrpriv->smart_ps = smart_ps; 483 pwrpriv->bcn_ant_mode = bcn_ant_mode; 484 rtw_hal_set_hwreg(padapter, HW_VAR_H2C_FW_PWRMODE, (u8 *)(&ps_mode)); 485 486 pslv = PS_STATE_S2; 487 if (pwrpriv->alives == 0) 488 pslv = PS_STATE_S0; 489 490 if ((rtw_btcoex_IsBtDisabled(padapter) == false) 491 && (rtw_btcoex_IsBtControlLps(padapter) == true)) { 492 u8 val8; 493 494 val8 = rtw_btcoex_LpsVal(padapter); 495 if (val8 & BIT(4)) 496 pslv = PS_STATE_S2; 497 } 498 499 rtw_set_rpwm(padapter, pslv); 500 } 501 } 502 503 up(&pwrpriv->lock); 504 } 505 506 /* 507 * Return: 508 *0: Leave OK 509 *-1: Timeout 510 *-2: Other error 511 */ 512 s32 LPS_RF_ON_check(struct adapter *padapter, u32 delay_ms) 513 { 514 unsigned long start_time; 515 u8 bAwake = false; 516 s32 err = 0; 517 518 519 start_time = jiffies; 520 while (1) { 521 rtw_hal_get_hwreg(padapter, HW_VAR_FWLPS_RF_ON, &bAwake); 522 if (true == bAwake) 523 break; 524 525 if (true == padapter->bSurpriseRemoved) { 526 err = -2; 527 DBG_871X("%s: device surprise removed!!\n", __func__); 528 break; 529 } 530 531 if (jiffies_to_msecs(jiffies - start_time) > delay_ms) { 532 err = -1; 533 DBG_871X("%s: Wait for FW LPS leave more than %u ms!!!\n", __func__, delay_ms); 534 break; 535 } 536 msleep(1); 537 } 538 539 return err; 540 } 541 542 /* */ 543 /* Description: */ 544 /* Enter the leisure power save mode. */ 545 /* */ 546 void LPS_Enter(struct adapter *padapter, const char *msg) 547 { 548 struct dvobj_priv *dvobj = adapter_to_dvobj(padapter); 549 struct pwrctrl_priv *pwrpriv = dvobj_to_pwrctl(dvobj); 550 int n_assoc_iface = 0; 551 char buf[32] = {0}; 552 553 if (rtw_btcoex_IsBtControlLps(padapter) == true) 554 return; 555 556 /* Skip lps enter request if number of assocated adapters is not 1 */ 557 if (check_fwstate(&(dvobj->padapters->mlmepriv), WIFI_ASOC_STATE)) 558 n_assoc_iface++; 559 if (n_assoc_iface != 1) 560 return; 561 562 /* Skip lps enter request for adapter not port0 */ 563 if (get_iface_type(padapter) != IFACE_PORT0) 564 return; 565 566 if (PS_RDY_CHECK(dvobj->padapters) == false) 567 return; 568 569 if (pwrpriv->bLeisurePs) { 570 /* Idle for a while if we connect to AP a while ago. */ 571 if (pwrpriv->LpsIdleCount >= 2) { /* 4 Sec */ 572 if (pwrpriv->pwr_mode == PS_MODE_ACTIVE) { 573 sprintf(buf, "WIFI-%s", msg); 574 pwrpriv->bpower_saving = true; 575 rtw_set_ps_mode(padapter, pwrpriv->power_mgnt, padapter->registrypriv.smart_ps, 0, buf); 576 } 577 } else 578 pwrpriv->LpsIdleCount++; 579 } 580 581 /* DBG_871X("-LeisurePSEnter\n"); */ 582 } 583 584 /* */ 585 /* Description: */ 586 /* Leave the leisure power save mode. */ 587 /* */ 588 void LPS_Leave(struct adapter *padapter, const char *msg) 589 { 590 #define LPS_LEAVE_TIMEOUT_MS 100 591 592 struct dvobj_priv *dvobj = adapter_to_dvobj(padapter); 593 struct pwrctrl_priv *pwrpriv = dvobj_to_pwrctl(dvobj); 594 char buf[32] = {0}; 595 596 /* DBG_871X("+LeisurePSLeave\n"); */ 597 598 if (rtw_btcoex_IsBtControlLps(padapter) == true) 599 return; 600 601 if (pwrpriv->bLeisurePs) { 602 if (pwrpriv->pwr_mode != PS_MODE_ACTIVE) { 603 sprintf(buf, "WIFI-%s", msg); 604 rtw_set_ps_mode(padapter, PS_MODE_ACTIVE, 0, 0, buf); 605 606 if (pwrpriv->pwr_mode == PS_MODE_ACTIVE) 607 LPS_RF_ON_check(padapter, LPS_LEAVE_TIMEOUT_MS); 608 } 609 } 610 611 pwrpriv->bpower_saving = false; 612 /* DBG_871X("-LeisurePSLeave\n"); */ 613 614 } 615 616 void LeaveAllPowerSaveModeDirect(struct adapter *Adapter) 617 { 618 struct adapter *pri_padapter = GET_PRIMARY_ADAPTER(Adapter); 619 struct mlme_priv *pmlmepriv = &(Adapter->mlmepriv); 620 struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(Adapter); 621 622 DBG_871X("%s.....\n", __func__); 623 624 if (true == Adapter->bSurpriseRemoved) { 625 DBG_871X(FUNC_ADPT_FMT ": bSurpriseRemoved =%d Skip!\n", 626 FUNC_ADPT_ARG(Adapter), Adapter->bSurpriseRemoved); 627 return; 628 } 629 630 if ((check_fwstate(pmlmepriv, _FW_LINKED) == true)) { /* connect */ 631 632 if (pwrpriv->pwr_mode == PS_MODE_ACTIVE) { 633 DBG_871X("%s: Driver Already Leave LPS\n", __func__); 634 return; 635 } 636 637 down(&pwrpriv->lock); 638 639 rtw_set_rpwm(Adapter, PS_STATE_S4); 640 641 up(&pwrpriv->lock); 642 643 rtw_lps_ctrl_wk_cmd(pri_padapter, LPS_CTRL_LEAVE, 0); 644 } else{ 645 if (pwrpriv->rf_pwrstate == rf_off) 646 if (false == ips_leave(pri_padapter)) 647 DBG_871X("======> ips_leave fail.............\n"); 648 } 649 } 650 651 /* */ 652 /* Description: Leave all power save mode: LPS, FwLPS, IPS if needed. */ 653 /* Move code to function by tynli. 2010.03.26. */ 654 /* */ 655 void LeaveAllPowerSaveMode(struct adapter *Adapter) 656 { 657 struct dvobj_priv *dvobj = adapter_to_dvobj(Adapter); 658 u8 enqueue = 0; 659 int n_assoc_iface = 0; 660 661 if (!Adapter->bup) { 662 DBG_871X(FUNC_ADPT_FMT ": bup =%d Skip!\n", 663 FUNC_ADPT_ARG(Adapter), Adapter->bup); 664 return; 665 } 666 667 if (Adapter->bSurpriseRemoved) { 668 DBG_871X(FUNC_ADPT_FMT ": bSurpriseRemoved =%d Skip!\n", 669 FUNC_ADPT_ARG(Adapter), Adapter->bSurpriseRemoved); 670 return; 671 } 672 673 if (check_fwstate(&(dvobj->padapters->mlmepriv), WIFI_ASOC_STATE)) 674 n_assoc_iface++; 675 676 if (n_assoc_iface) { /* connect */ 677 enqueue = 1; 678 679 rtw_lps_ctrl_wk_cmd(Adapter, LPS_CTRL_LEAVE, enqueue); 680 681 LPS_Leave_check(Adapter); 682 } else { 683 if (adapter_to_pwrctl(Adapter)->rf_pwrstate == rf_off) { 684 if (false == ips_leave(Adapter)) 685 DBG_871X("======> ips_leave fail.............\n"); 686 } 687 } 688 } 689 690 void LPS_Leave_check( 691 struct adapter *padapter) 692 { 693 struct pwrctrl_priv *pwrpriv; 694 unsigned long start_time; 695 u8 bReady; 696 697 pwrpriv = adapter_to_pwrctl(padapter); 698 699 bReady = false; 700 start_time = jiffies; 701 702 yield(); 703 704 while (1) { 705 down(&pwrpriv->lock); 706 707 if ((padapter->bSurpriseRemoved == true) 708 || (padapter->hw_init_completed == false) 709 || (pwrpriv->pwr_mode == PS_MODE_ACTIVE) 710 ) 711 bReady = true; 712 713 up(&pwrpriv->lock); 714 715 if (true == bReady) 716 break; 717 718 if (jiffies_to_msecs(jiffies - start_time) > 100) { 719 DBG_871X("Wait for cpwm event than 100 ms!!!\n"); 720 break; 721 } 722 msleep(1); 723 } 724 } 725 726 /* 727 * Caller:ISR handler... 728 * 729 * This will be called when CPWM interrupt is up. 730 * 731 * using to update cpwn of drv; and drv willl make a decision to up or down pwr level 732 */ 733 void cpwm_int_hdl( 734 struct adapter *padapter, 735 struct reportpwrstate_parm *preportpwrstate) 736 { 737 struct pwrctrl_priv *pwrpriv; 738 739 pwrpriv = adapter_to_pwrctl(padapter); 740 741 down(&pwrpriv->lock); 742 743 if (pwrpriv->rpwm < PS_STATE_S2) { 744 DBG_871X("%s: Redundant CPWM Int. RPWM = 0x%02X CPWM = 0x%02x\n", __func__, pwrpriv->rpwm, pwrpriv->cpwm); 745 up(&pwrpriv->lock); 746 goto exit; 747 } 748 749 pwrpriv->cpwm = PS_STATE(preportpwrstate->state); 750 pwrpriv->cpwm_tog = preportpwrstate->state & PS_TOGGLE; 751 752 if (pwrpriv->cpwm >= PS_STATE_S2) { 753 if (pwrpriv->alives & CMD_ALIVE) 754 up(&padapter->cmdpriv.cmd_queue_sema); 755 756 if (pwrpriv->alives & XMIT_ALIVE) 757 up(&padapter->xmitpriv.xmit_sema); 758 } 759 760 up(&pwrpriv->lock); 761 762 exit: 763 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_, 764 ("cpwm_int_hdl: cpwm = 0x%02x\n", pwrpriv->cpwm)); 765 } 766 767 static void cpwm_event_callback(struct work_struct *work) 768 { 769 struct pwrctrl_priv *pwrpriv = container_of(work, struct pwrctrl_priv, cpwm_event); 770 struct dvobj_priv *dvobj = pwrctl_to_dvobj(pwrpriv); 771 struct adapter *adapter = dvobj->if1; 772 struct reportpwrstate_parm report; 773 774 /* DBG_871X("%s\n", __func__); */ 775 776 report.state = PS_STATE_S2; 777 cpwm_int_hdl(adapter, &report); 778 } 779 780 static void rpwmtimeout_workitem_callback(struct work_struct *work) 781 { 782 struct adapter *padapter; 783 struct dvobj_priv *dvobj; 784 struct pwrctrl_priv *pwrpriv; 785 786 787 pwrpriv = container_of(work, struct pwrctrl_priv, rpwmtimeoutwi); 788 dvobj = pwrctl_to_dvobj(pwrpriv); 789 padapter = dvobj->if1; 790 /* DBG_871X("+%s: rpwm = 0x%02X cpwm = 0x%02X\n", __func__, pwrpriv->rpwm, pwrpriv->cpwm); */ 791 792 down(&pwrpriv->lock); 793 if ((pwrpriv->rpwm == pwrpriv->cpwm) || (pwrpriv->cpwm >= PS_STATE_S2)) { 794 DBG_871X("%s: rpwm = 0x%02X cpwm = 0x%02X CPWM done!\n", __func__, pwrpriv->rpwm, pwrpriv->cpwm); 795 goto exit; 796 } 797 up(&pwrpriv->lock); 798 799 if (rtw_read8(padapter, 0x100) != 0xEA) { 800 struct reportpwrstate_parm report; 801 802 report.state = PS_STATE_S2; 803 DBG_871X("\n%s: FW already leave 32K!\n\n", __func__); 804 cpwm_int_hdl(padapter, &report); 805 806 return; 807 } 808 809 down(&pwrpriv->lock); 810 811 if ((pwrpriv->rpwm == pwrpriv->cpwm) || (pwrpriv->cpwm >= PS_STATE_S2)) { 812 DBG_871X("%s: cpwm =%d, nothing to do!\n", __func__, pwrpriv->cpwm); 813 goto exit; 814 } 815 pwrpriv->brpwmtimeout = true; 816 rtw_set_rpwm(padapter, pwrpriv->rpwm); 817 pwrpriv->brpwmtimeout = false; 818 819 exit: 820 up(&pwrpriv->lock); 821 } 822 823 /* 824 * This function is a timer handler, can't do any IO in it. 825 */ 826 static void pwr_rpwm_timeout_handler(void *FunctionContext) 827 { 828 struct adapter *padapter; 829 struct pwrctrl_priv *pwrpriv; 830 831 832 padapter = (struct adapter *)FunctionContext; 833 pwrpriv = adapter_to_pwrctl(padapter); 834 DBG_871X("+%s: rpwm = 0x%02X cpwm = 0x%02X\n", __func__, pwrpriv->rpwm, pwrpriv->cpwm); 835 836 if ((pwrpriv->rpwm == pwrpriv->cpwm) || (pwrpriv->cpwm >= PS_STATE_S2)) { 837 DBG_871X("+%s: cpwm =%d, nothing to do!\n", __func__, pwrpriv->cpwm); 838 return; 839 } 840 841 _set_workitem(&pwrpriv->rpwmtimeoutwi); 842 } 843 844 static __inline void register_task_alive(struct pwrctrl_priv *pwrctrl, u32 tag) 845 { 846 pwrctrl->alives |= tag; 847 } 848 849 static __inline void unregister_task_alive(struct pwrctrl_priv *pwrctrl, u32 tag) 850 { 851 pwrctrl->alives &= ~tag; 852 } 853 854 855 /* 856 * Description: 857 *Check if the fw_pwrstate is okay for I/O. 858 *If not (cpwm is less than S2), then the sub-routine 859 *will raise the cpwm to be greater than or equal to S2. 860 * 861 *Calling Context: Passive 862 * 863 *Constraint: 864 * 1. this function will request pwrctrl->lock 865 * 866 * Return Value: 867 *_SUCCESS hardware is ready for I/O 868 *_FAIL can't I/O right now 869 */ 870 s32 rtw_register_task_alive(struct adapter *padapter, u32 task) 871 { 872 s32 res; 873 struct pwrctrl_priv *pwrctrl; 874 u8 pslv; 875 876 res = _SUCCESS; 877 pwrctrl = adapter_to_pwrctl(padapter); 878 pslv = PS_STATE_S2; 879 880 down(&pwrctrl->lock); 881 882 register_task_alive(pwrctrl, task); 883 884 if (pwrctrl->bFwCurrentInPSMode == true) { 885 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_, 886 ("%s: task = 0x%x cpwm = 0x%02x alives = 0x%08x\n", 887 __func__, task, pwrctrl->cpwm, pwrctrl->alives)); 888 889 if (pwrctrl->cpwm < pslv) { 890 if (pwrctrl->cpwm < PS_STATE_S2) 891 res = _FAIL; 892 if (pwrctrl->rpwm < pslv) 893 rtw_set_rpwm(padapter, pslv); 894 } 895 } 896 897 up(&pwrctrl->lock); 898 899 if (_FAIL == res) 900 if (pwrctrl->cpwm >= PS_STATE_S2) 901 res = _SUCCESS; 902 903 return res; 904 } 905 906 /* 907 * Description: 908 *If task is done, call this func. to power down firmware again. 909 * 910 *Constraint: 911 * 1. this function will request pwrctrl->lock 912 * 913 * Return Value: 914 *none 915 */ 916 void rtw_unregister_task_alive(struct adapter *padapter, u32 task) 917 { 918 struct pwrctrl_priv *pwrctrl; 919 u8 pslv; 920 921 pwrctrl = adapter_to_pwrctl(padapter); 922 pslv = PS_STATE_S0; 923 924 if ((rtw_btcoex_IsBtDisabled(padapter) == false) 925 && (rtw_btcoex_IsBtControlLps(padapter) == true)) { 926 u8 val8; 927 928 val8 = rtw_btcoex_LpsVal(padapter); 929 if (val8 & BIT(4)) 930 pslv = PS_STATE_S2; 931 } 932 933 down(&pwrctrl->lock); 934 935 unregister_task_alive(pwrctrl, task); 936 937 if ((pwrctrl->pwr_mode != PS_MODE_ACTIVE) 938 && (pwrctrl->bFwCurrentInPSMode == true)) { 939 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_, 940 ("%s: cpwm = 0x%02x alives = 0x%08x\n", 941 __func__, pwrctrl->cpwm, pwrctrl->alives)); 942 943 if (pwrctrl->cpwm > pslv) 944 if ((pslv >= PS_STATE_S2) || (pwrctrl->alives == 0)) 945 rtw_set_rpwm(padapter, pslv); 946 947 } 948 949 up(&pwrctrl->lock); 950 } 951 952 /* 953 * Caller: rtw_xmit_thread 954 * 955 * Check if the fw_pwrstate is okay for xmit. 956 * If not (cpwm is less than S3), then the sub-routine 957 * will raise the cpwm to be greater than or equal to S3. 958 * 959 * Calling Context: Passive 960 * 961 * Return Value: 962 * _SUCCESS rtw_xmit_thread can write fifo/txcmd afterwards. 963 * _FAIL rtw_xmit_thread can not do anything. 964 */ 965 s32 rtw_register_tx_alive(struct adapter *padapter) 966 { 967 s32 res; 968 struct pwrctrl_priv *pwrctrl; 969 u8 pslv; 970 971 res = _SUCCESS; 972 pwrctrl = adapter_to_pwrctl(padapter); 973 pslv = PS_STATE_S2; 974 975 down(&pwrctrl->lock); 976 977 register_task_alive(pwrctrl, XMIT_ALIVE); 978 979 if (pwrctrl->bFwCurrentInPSMode == true) { 980 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_, 981 ("rtw_register_tx_alive: cpwm = 0x%02x alives = 0x%08x\n", 982 pwrctrl->cpwm, pwrctrl->alives)); 983 984 if (pwrctrl->cpwm < pslv) { 985 if (pwrctrl->cpwm < PS_STATE_S2) 986 res = _FAIL; 987 if (pwrctrl->rpwm < pslv) 988 rtw_set_rpwm(padapter, pslv); 989 } 990 } 991 992 up(&pwrctrl->lock); 993 994 if (_FAIL == res) 995 if (pwrctrl->cpwm >= PS_STATE_S2) 996 res = _SUCCESS; 997 998 return res; 999 } 1000 1001 /* 1002 * Caller: rtw_cmd_thread 1003 * 1004 * Check if the fw_pwrstate is okay for issuing cmd. 1005 * If not (cpwm should be is less than S2), then the sub-routine 1006 * will raise the cpwm to be greater than or equal to S2. 1007 * 1008 * Calling Context: Passive 1009 * 1010 * Return Value: 1011 *_SUCCESS rtw_cmd_thread can issue cmds to firmware afterwards. 1012 *_FAIL rtw_cmd_thread can not do anything. 1013 */ 1014 s32 rtw_register_cmd_alive(struct adapter *padapter) 1015 { 1016 s32 res; 1017 struct pwrctrl_priv *pwrctrl; 1018 u8 pslv; 1019 1020 res = _SUCCESS; 1021 pwrctrl = adapter_to_pwrctl(padapter); 1022 pslv = PS_STATE_S2; 1023 1024 down(&pwrctrl->lock); 1025 1026 register_task_alive(pwrctrl, CMD_ALIVE); 1027 1028 if (pwrctrl->bFwCurrentInPSMode == true) { 1029 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_info_, 1030 ("rtw_register_cmd_alive: cpwm = 0x%02x alives = 0x%08x\n", 1031 pwrctrl->cpwm, pwrctrl->alives)); 1032 1033 if (pwrctrl->cpwm < pslv) { 1034 if (pwrctrl->cpwm < PS_STATE_S2) 1035 res = _FAIL; 1036 if (pwrctrl->rpwm < pslv) 1037 rtw_set_rpwm(padapter, pslv); 1038 } 1039 } 1040 1041 up(&pwrctrl->lock); 1042 1043 if (_FAIL == res) 1044 if (pwrctrl->cpwm >= PS_STATE_S2) 1045 res = _SUCCESS; 1046 1047 return res; 1048 } 1049 1050 /* 1051 * Caller: ISR 1052 * 1053 * If ISR's txdone, 1054 * No more pkts for TX, 1055 * Then driver shall call this fun. to power down firmware again. 1056 */ 1057 void rtw_unregister_tx_alive(struct adapter *padapter) 1058 { 1059 struct pwrctrl_priv *pwrctrl; 1060 u8 pslv; 1061 1062 pwrctrl = adapter_to_pwrctl(padapter); 1063 pslv = PS_STATE_S0; 1064 1065 if ((rtw_btcoex_IsBtDisabled(padapter) == false) 1066 && (rtw_btcoex_IsBtControlLps(padapter) == true)) { 1067 u8 val8; 1068 1069 val8 = rtw_btcoex_LpsVal(padapter); 1070 if (val8 & BIT(4)) 1071 pslv = PS_STATE_S2; 1072 } 1073 1074 down(&pwrctrl->lock); 1075 1076 unregister_task_alive(pwrctrl, XMIT_ALIVE); 1077 1078 if ((pwrctrl->pwr_mode != PS_MODE_ACTIVE) 1079 && (pwrctrl->bFwCurrentInPSMode == true)) { 1080 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_, 1081 ("%s: cpwm = 0x%02x alives = 0x%08x\n", 1082 __func__, pwrctrl->cpwm, pwrctrl->alives)); 1083 1084 if (pwrctrl->cpwm > pslv) 1085 if ((pslv >= PS_STATE_S2) || (pwrctrl->alives == 0)) 1086 rtw_set_rpwm(padapter, pslv); 1087 } 1088 1089 up(&pwrctrl->lock); 1090 } 1091 1092 /* 1093 * Caller: ISR 1094 * 1095 * If all commands have been done, 1096 * and no more command to do, 1097 * then driver shall call this fun. to power down firmware again. 1098 */ 1099 void rtw_unregister_cmd_alive(struct adapter *padapter) 1100 { 1101 struct pwrctrl_priv *pwrctrl; 1102 u8 pslv; 1103 1104 pwrctrl = adapter_to_pwrctl(padapter); 1105 pslv = PS_STATE_S0; 1106 1107 if ((rtw_btcoex_IsBtDisabled(padapter) == false) 1108 && (rtw_btcoex_IsBtControlLps(padapter) == true)) { 1109 u8 val8; 1110 1111 val8 = rtw_btcoex_LpsVal(padapter); 1112 if (val8 & BIT(4)) 1113 pslv = PS_STATE_S2; 1114 } 1115 1116 down(&pwrctrl->lock); 1117 1118 unregister_task_alive(pwrctrl, CMD_ALIVE); 1119 1120 if ((pwrctrl->pwr_mode != PS_MODE_ACTIVE) 1121 && (pwrctrl->bFwCurrentInPSMode == true)) { 1122 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_info_, 1123 ("%s: cpwm = 0x%02x alives = 0x%08x\n", 1124 __func__, pwrctrl->cpwm, pwrctrl->alives)); 1125 1126 if (pwrctrl->cpwm > pslv) { 1127 if ((pslv >= PS_STATE_S2) || (pwrctrl->alives == 0)) 1128 rtw_set_rpwm(padapter, pslv); 1129 } 1130 } 1131 1132 up(&pwrctrl->lock); 1133 } 1134 1135 void rtw_init_pwrctrl_priv(struct adapter *padapter) 1136 { 1137 struct pwrctrl_priv *pwrctrlpriv = adapter_to_pwrctl(padapter); 1138 1139 sema_init(&pwrctrlpriv->lock, 1); 1140 sema_init(&pwrctrlpriv->check_32k_lock, 1); 1141 pwrctrlpriv->rf_pwrstate = rf_on; 1142 pwrctrlpriv->ips_enter_cnts = 0; 1143 pwrctrlpriv->ips_leave_cnts = 0; 1144 pwrctrlpriv->bips_processing = false; 1145 1146 pwrctrlpriv->ips_mode = padapter->registrypriv.ips_mode; 1147 pwrctrlpriv->ips_mode_req = padapter->registrypriv.ips_mode; 1148 1149 pwrctrlpriv->pwr_state_check_interval = RTW_PWR_STATE_CHK_INTERVAL; 1150 pwrctrlpriv->pwr_state_check_cnts = 0; 1151 pwrctrlpriv->bInternalAutoSuspend = false; 1152 pwrctrlpriv->bInSuspend = false; 1153 pwrctrlpriv->bkeepfwalive = false; 1154 1155 pwrctrlpriv->LpsIdleCount = 0; 1156 pwrctrlpriv->power_mgnt = padapter->registrypriv.power_mgnt;/* PS_MODE_MIN; */ 1157 pwrctrlpriv->bLeisurePs = (PS_MODE_ACTIVE != pwrctrlpriv->power_mgnt)?true:false; 1158 1159 pwrctrlpriv->bFwCurrentInPSMode = false; 1160 1161 pwrctrlpriv->rpwm = 0; 1162 pwrctrlpriv->cpwm = PS_STATE_S4; 1163 1164 pwrctrlpriv->pwr_mode = PS_MODE_ACTIVE; 1165 pwrctrlpriv->smart_ps = padapter->registrypriv.smart_ps; 1166 pwrctrlpriv->bcn_ant_mode = 0; 1167 pwrctrlpriv->dtim = 0; 1168 1169 pwrctrlpriv->tog = 0x80; 1170 1171 rtw_hal_set_hwreg(padapter, HW_VAR_SET_RPWM, (u8 *)(&pwrctrlpriv->rpwm)); 1172 1173 _init_workitem(&pwrctrlpriv->cpwm_event, cpwm_event_callback, NULL); 1174 1175 pwrctrlpriv->brpwmtimeout = false; 1176 _init_workitem(&pwrctrlpriv->rpwmtimeoutwi, rpwmtimeout_workitem_callback, NULL); 1177 _init_timer(&pwrctrlpriv->pwr_rpwm_timer, padapter->pnetdev, pwr_rpwm_timeout_handler, padapter); 1178 1179 rtw_init_timer(&pwrctrlpriv->pwr_state_check_timer, padapter, pwr_state_check_handler); 1180 1181 pwrctrlpriv->wowlan_mode = false; 1182 pwrctrlpriv->wowlan_ap_mode = false; 1183 1184 #ifdef CONFIG_PNO_SUPPORT 1185 pwrctrlpriv->pno_inited = false; 1186 pwrctrlpriv->pnlo_info = NULL; 1187 pwrctrlpriv->pscan_info = NULL; 1188 pwrctrlpriv->pno_ssid_list = NULL; 1189 pwrctrlpriv->pno_in_resume = true; 1190 #endif 1191 } 1192 1193 1194 void rtw_free_pwrctrl_priv(struct adapter *adapter) 1195 { 1196 /* memset((unsigned char *)pwrctrlpriv, 0, sizeof(struct pwrctrl_priv)); */ 1197 1198 #ifdef CONFIG_PNO_SUPPORT 1199 if (pwrctrlpriv->pnlo_info != NULL) 1200 printk("****** pnlo_info memory leak********\n"); 1201 1202 if (pwrctrlpriv->pscan_info != NULL) 1203 printk("****** pscan_info memory leak********\n"); 1204 1205 if (pwrctrlpriv->pno_ssid_list != NULL) 1206 printk("****** pno_ssid_list memory leak********\n"); 1207 #endif 1208 } 1209 1210 inline void rtw_set_ips_deny(struct adapter *padapter, u32 ms) 1211 { 1212 struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter); 1213 pwrpriv->ips_deny_time = jiffies + msecs_to_jiffies(ms); 1214 } 1215 1216 /* 1217 * rtw_pwr_wakeup - Wake the NIC up from: 1)IPS. 2)USB autosuspend 1218 * @adapter: pointer to struct adapter structure 1219 * @ips_deffer_ms: the ms wiil prevent from falling into IPS after wakeup 1220 * Return _SUCCESS or _FAIL 1221 */ 1222 1223 int _rtw_pwr_wakeup(struct adapter *padapter, u32 ips_deffer_ms, const char *caller) 1224 { 1225 struct dvobj_priv *dvobj = adapter_to_dvobj(padapter); 1226 struct pwrctrl_priv *pwrpriv = dvobj_to_pwrctl(dvobj); 1227 struct mlme_priv *pmlmepriv; 1228 int ret = _SUCCESS; 1229 unsigned long start = jiffies; 1230 unsigned long deny_time = jiffies + msecs_to_jiffies(ips_deffer_ms); 1231 1232 /* for LPS */ 1233 LeaveAllPowerSaveMode(padapter); 1234 1235 /* IPS still bound with primary adapter */ 1236 padapter = GET_PRIMARY_ADAPTER(padapter); 1237 pmlmepriv = &padapter->mlmepriv; 1238 1239 if (time_before(pwrpriv->ips_deny_time, deny_time)) 1240 pwrpriv->ips_deny_time = deny_time; 1241 1242 1243 if (pwrpriv->ps_processing) { 1244 DBG_871X("%s wait ps_processing...\n", __func__); 1245 while (pwrpriv->ps_processing && jiffies_to_msecs(jiffies - start) <= 3000) 1246 msleep(10); 1247 if (pwrpriv->ps_processing) 1248 DBG_871X("%s wait ps_processing timeout\n", __func__); 1249 else 1250 DBG_871X("%s wait ps_processing done\n", __func__); 1251 } 1252 1253 if (pwrpriv->bInternalAutoSuspend == false && pwrpriv->bInSuspend) { 1254 DBG_871X("%s wait bInSuspend...\n", __func__); 1255 while (pwrpriv->bInSuspend 1256 && jiffies_to_msecs(jiffies - start) <= 3000 1257 ) { 1258 msleep(10); 1259 } 1260 if (pwrpriv->bInSuspend) 1261 DBG_871X("%s wait bInSuspend timeout\n", __func__); 1262 else 1263 DBG_871X("%s wait bInSuspend done\n", __func__); 1264 } 1265 1266 /* System suspend is not allowed to wakeup */ 1267 if ((pwrpriv->bInternalAutoSuspend == false) && (true == pwrpriv->bInSuspend)) { 1268 ret = _FAIL; 1269 goto exit; 1270 } 1271 1272 /* block??? */ 1273 if ((pwrpriv->bInternalAutoSuspend == true) && (padapter->net_closed == true)) { 1274 ret = _FAIL; 1275 goto exit; 1276 } 1277 1278 /* I think this should be check in IPS, LPS, autosuspend functions... */ 1279 if (check_fwstate(pmlmepriv, _FW_LINKED) == true) { 1280 ret = _SUCCESS; 1281 goto exit; 1282 } 1283 1284 if (rf_off == pwrpriv->rf_pwrstate) { 1285 { 1286 DBG_8192C("%s call ips_leave....\n", __func__); 1287 if (_FAIL == ips_leave(padapter)) { 1288 DBG_8192C("======> ips_leave fail.............\n"); 1289 ret = _FAIL; 1290 goto exit; 1291 } 1292 } 1293 } 1294 1295 /* TODO: the following checking need to be merged... */ 1296 if (padapter->bDriverStopped 1297 || !padapter->bup 1298 || !padapter->hw_init_completed 1299 ) { 1300 DBG_8192C("%s: bDriverStopped =%d, bup =%d, hw_init_completed =%u\n" 1301 , caller 1302 , padapter->bDriverStopped 1303 , padapter->bup 1304 , padapter->hw_init_completed); 1305 ret = false; 1306 goto exit; 1307 } 1308 1309 exit: 1310 deny_time = jiffies + msecs_to_jiffies(ips_deffer_ms); 1311 if (time_before(pwrpriv->ips_deny_time, deny_time)) 1312 pwrpriv->ips_deny_time = deny_time; 1313 return ret; 1314 1315 } 1316 1317 int rtw_pm_set_lps(struct adapter *padapter, u8 mode) 1318 { 1319 int ret = 0; 1320 struct pwrctrl_priv *pwrctrlpriv = adapter_to_pwrctl(padapter); 1321 1322 if (mode < PS_MODE_NUM) { 1323 if (pwrctrlpriv->power_mgnt != mode) { 1324 if (PS_MODE_ACTIVE == mode) 1325 LeaveAllPowerSaveMode(padapter); 1326 else 1327 pwrctrlpriv->LpsIdleCount = 2; 1328 1329 pwrctrlpriv->power_mgnt = mode; 1330 pwrctrlpriv->bLeisurePs = (PS_MODE_ACTIVE != pwrctrlpriv->power_mgnt)?true:false; 1331 } 1332 } else 1333 ret = -EINVAL; 1334 1335 return ret; 1336 } 1337 1338 int rtw_pm_set_ips(struct adapter *padapter, u8 mode) 1339 { 1340 struct pwrctrl_priv *pwrctrlpriv = adapter_to_pwrctl(padapter); 1341 1342 if (mode == IPS_NORMAL || mode == IPS_LEVEL_2) { 1343 rtw_ips_mode_req(pwrctrlpriv, mode); 1344 DBG_871X("%s %s\n", __func__, mode == IPS_NORMAL?"IPS_NORMAL":"IPS_LEVEL_2"); 1345 return 0; 1346 } else if (mode == IPS_NONE) { 1347 rtw_ips_mode_req(pwrctrlpriv, mode); 1348 DBG_871X("%s %s\n", __func__, "IPS_NONE"); 1349 if ((padapter->bSurpriseRemoved == 0) && (_FAIL == rtw_pwr_wakeup(padapter))) 1350 return -EFAULT; 1351 } else 1352 return -EINVAL; 1353 1354 return 0; 1355 } 1356 1357 /* 1358 * ATTENTION: 1359 *This function will request pwrctrl LOCK! 1360 */ 1361 void rtw_ps_deny(struct adapter *padapter, enum PS_DENY_REASON reason) 1362 { 1363 struct pwrctrl_priv *pwrpriv; 1364 1365 /* DBG_871X("+" FUNC_ADPT_FMT ": Request PS deny for %d (0x%08X)\n", */ 1366 /* FUNC_ADPT_ARG(padapter), reason, BIT(reason)); */ 1367 1368 pwrpriv = adapter_to_pwrctl(padapter); 1369 1370 down(&pwrpriv->lock); 1371 if (pwrpriv->ps_deny & BIT(reason)) { 1372 DBG_871X(FUNC_ADPT_FMT ": [WARNING] Reason %d had been set before!!\n", 1373 FUNC_ADPT_ARG(padapter), reason); 1374 } 1375 pwrpriv->ps_deny |= BIT(reason); 1376 up(&pwrpriv->lock); 1377 1378 /* DBG_871X("-" FUNC_ADPT_FMT ": Now PS deny for 0x%08X\n", */ 1379 /* FUNC_ADPT_ARG(padapter), pwrpriv->ps_deny); */ 1380 } 1381 1382 /* 1383 * ATTENTION: 1384 *This function will request pwrctrl LOCK! 1385 */ 1386 void rtw_ps_deny_cancel(struct adapter *padapter, enum PS_DENY_REASON reason) 1387 { 1388 struct pwrctrl_priv *pwrpriv; 1389 1390 1391 /* DBG_871X("+" FUNC_ADPT_FMT ": Cancel PS deny for %d(0x%08X)\n", */ 1392 /* FUNC_ADPT_ARG(padapter), reason, BIT(reason)); */ 1393 1394 pwrpriv = adapter_to_pwrctl(padapter); 1395 1396 down(&pwrpriv->lock); 1397 if ((pwrpriv->ps_deny & BIT(reason)) == 0) { 1398 DBG_871X(FUNC_ADPT_FMT ": [ERROR] Reason %d had been canceled before!!\n", 1399 FUNC_ADPT_ARG(padapter), reason); 1400 } 1401 pwrpriv->ps_deny &= ~BIT(reason); 1402 up(&pwrpriv->lock); 1403 1404 /* DBG_871X("-" FUNC_ADPT_FMT ": Now PS deny for 0x%08X\n", */ 1405 /* FUNC_ADPT_ARG(padapter), pwrpriv->ps_deny); */ 1406 } 1407 1408 /* 1409 * ATTENTION: 1410 *Before calling this function pwrctrl lock should be occupied already, 1411 *otherwise it may return incorrect value. 1412 */ 1413 u32 rtw_ps_deny_get(struct adapter *padapter) 1414 { 1415 u32 deny; 1416 1417 1418 deny = adapter_to_pwrctl(padapter)->ps_deny; 1419 1420 return deny; 1421 } 1422