1 // SPDX-License-Identifier: GPL-2.0 2 /****************************************************************************** 3 * 4 * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved. 5 * 6 ******************************************************************************/ 7 #define _RTW_PWRCTRL_C_ 8 9 #include <drv_types.h> 10 #include <rtw_debug.h> 11 #include <hal_data.h> 12 #include <linux/jiffies.h> 13 14 15 void _ips_enter(struct adapter *padapter) 16 { 17 struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter); 18 19 pwrpriv->bips_processing = true; 20 21 /* syn ips_mode with request */ 22 pwrpriv->ips_mode = pwrpriv->ips_mode_req; 23 24 pwrpriv->ips_enter_cnts++; 25 DBG_871X("==>ips_enter cnts:%d\n", pwrpriv->ips_enter_cnts); 26 27 if (rf_off == pwrpriv->change_rfpwrstate) { 28 pwrpriv->bpower_saving = true; 29 DBG_871X("nolinked power save enter\n"); 30 31 if (pwrpriv->ips_mode == IPS_LEVEL_2) 32 pwrpriv->bkeepfwalive = true; 33 34 rtw_ips_pwr_down(padapter); 35 pwrpriv->rf_pwrstate = rf_off; 36 } 37 pwrpriv->bips_processing = false; 38 39 } 40 41 void ips_enter(struct adapter *padapter) 42 { 43 struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter); 44 45 46 hal_btcoex_IpsNotify(padapter, pwrpriv->ips_mode_req); 47 48 mutex_lock(&pwrpriv->lock); 49 _ips_enter(padapter); 50 mutex_unlock(&pwrpriv->lock); 51 } 52 53 int _ips_leave(struct adapter *padapter) 54 { 55 struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter); 56 int result = _SUCCESS; 57 58 if ((pwrpriv->rf_pwrstate == rf_off) && (!pwrpriv->bips_processing)) { 59 pwrpriv->bips_processing = true; 60 pwrpriv->change_rfpwrstate = rf_on; 61 pwrpriv->ips_leave_cnts++; 62 DBG_871X("==>ips_leave cnts:%d\n", pwrpriv->ips_leave_cnts); 63 64 result = rtw_ips_pwr_up(padapter); 65 if (result == _SUCCESS) { 66 pwrpriv->rf_pwrstate = rf_on; 67 } 68 DBG_871X("nolinked power save leave\n"); 69 70 DBG_871X("==> ips_leave.....LED(0x%08x)...\n", rtw_read32(padapter, 0x4c)); 71 pwrpriv->bips_processing = false; 72 73 pwrpriv->bkeepfwalive = false; 74 pwrpriv->bpower_saving = false; 75 } 76 77 return result; 78 } 79 80 int ips_leave(struct adapter *padapter) 81 { 82 struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter); 83 int ret; 84 85 if (!is_primary_adapter(padapter)) 86 return _SUCCESS; 87 88 mutex_lock(&pwrpriv->lock); 89 ret = _ips_leave(padapter); 90 mutex_unlock(&pwrpriv->lock); 91 92 if (_SUCCESS == ret) 93 hal_btcoex_IpsNotify(padapter, IPS_NONE); 94 95 return ret; 96 } 97 98 static bool rtw_pwr_unassociated_idle(struct adapter *adapter) 99 { 100 struct adapter *buddy = adapter->pbuddy_adapter; 101 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv); 102 struct xmit_priv *pxmit_priv = &adapter->xmitpriv; 103 104 bool ret = false; 105 106 if (adapter_to_pwrctl(adapter)->bpower_saving) { 107 /* DBG_871X("%s: already in LPS or IPS mode\n", __func__); */ 108 goto exit; 109 } 110 111 if (time_before(jiffies, adapter_to_pwrctl(adapter)->ips_deny_time)) { 112 /* DBG_871X("%s ips_deny_time\n", __func__); */ 113 goto exit; 114 } 115 116 if (check_fwstate(pmlmepriv, WIFI_ASOC_STATE|WIFI_SITE_MONITOR) 117 || check_fwstate(pmlmepriv, WIFI_UNDER_LINKING|WIFI_UNDER_WPS) 118 || check_fwstate(pmlmepriv, WIFI_AP_STATE) 119 || check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE|WIFI_ADHOC_STATE) 120 ) 121 goto exit; 122 123 /* consider buddy, if exist */ 124 if (buddy) { 125 struct mlme_priv *b_pmlmepriv = &(buddy->mlmepriv); 126 127 if (check_fwstate(b_pmlmepriv, WIFI_ASOC_STATE|WIFI_SITE_MONITOR) 128 || check_fwstate(b_pmlmepriv, WIFI_UNDER_LINKING|WIFI_UNDER_WPS) 129 || check_fwstate(b_pmlmepriv, WIFI_AP_STATE) 130 || check_fwstate(b_pmlmepriv, WIFI_ADHOC_MASTER_STATE|WIFI_ADHOC_STATE) 131 ) 132 goto exit; 133 } 134 135 if (pxmit_priv->free_xmitbuf_cnt != NR_XMITBUFF || 136 pxmit_priv->free_xmit_extbuf_cnt != NR_XMIT_EXTBUFF) { 137 DBG_871X_LEVEL(_drv_always_, "There are some pkts to transmit\n"); 138 DBG_871X_LEVEL(_drv_always_, "free_xmitbuf_cnt: %d, free_xmit_extbuf_cnt: %d\n", 139 pxmit_priv->free_xmitbuf_cnt, pxmit_priv->free_xmit_extbuf_cnt); 140 goto exit; 141 } 142 143 ret = true; 144 145 exit: 146 return ret; 147 } 148 149 150 /* 151 * ATTENTION: 152 *rtw_ps_processor() doesn't handle LPS. 153 */ 154 void rtw_ps_processor(struct adapter *padapter) 155 { 156 struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter); 157 struct dvobj_priv *psdpriv = padapter->dvobj; 158 struct debug_priv *pdbgpriv = &psdpriv->drv_dbg; 159 u32 ps_deny = 0; 160 161 mutex_lock(&adapter_to_pwrctl(padapter)->lock); 162 ps_deny = rtw_ps_deny_get(padapter); 163 mutex_unlock(&adapter_to_pwrctl(padapter)->lock); 164 if (ps_deny != 0) { 165 DBG_871X(FUNC_ADPT_FMT ": ps_deny = 0x%08X, skip power save!\n", 166 FUNC_ADPT_ARG(padapter), ps_deny); 167 goto exit; 168 } 169 170 if (pwrpriv->bInSuspend) {/* system suspend or autosuspend */ 171 pdbgpriv->dbg_ps_insuspend_cnt++; 172 DBG_871X("%s, pwrpriv->bInSuspend == true ignore this process\n", __func__); 173 return; 174 } 175 176 pwrpriv->ps_processing = true; 177 178 if (pwrpriv->ips_mode_req == IPS_NONE) 179 goto exit; 180 181 if (!rtw_pwr_unassociated_idle(padapter)) 182 goto exit; 183 184 if ((pwrpriv->rf_pwrstate == rf_on) && ((pwrpriv->pwr_state_check_cnts%4) == 0)) { 185 DBG_871X("==>%s\n", __func__); 186 pwrpriv->change_rfpwrstate = rf_off; 187 { 188 ips_enter(padapter); 189 } 190 } 191 exit: 192 pwrpriv->ps_processing = false; 193 } 194 195 static void pwr_state_check_handler(struct timer_list *t) 196 { 197 struct pwrctrl_priv *pwrctrlpriv = 198 from_timer(pwrctrlpriv, t, pwr_state_check_timer); 199 struct adapter *padapter = pwrctrlpriv->adapter; 200 201 rtw_ps_cmd(padapter); 202 } 203 204 void traffic_check_for_leave_lps(struct adapter *padapter, u8 tx, u32 tx_packets) 205 { 206 static unsigned long start_time; 207 static u32 xmit_cnt; 208 u8 bLeaveLPS = false; 209 struct mlme_priv *pmlmepriv = &padapter->mlmepriv; 210 211 212 213 if (tx) { /* from tx */ 214 xmit_cnt += tx_packets; 215 216 if (start_time == 0) 217 start_time = jiffies; 218 219 if (jiffies_to_msecs(jiffies - start_time) > 2000) { /* 2 sec == watch dog timer */ 220 if (xmit_cnt > 8) { 221 if (adapter_to_pwrctl(padapter)->bLeisurePs 222 && (adapter_to_pwrctl(padapter)->pwr_mode != PS_MODE_ACTIVE) 223 && !(hal_btcoex_IsBtControlLps(padapter))) { 224 DBG_871X("leave lps via Tx = %d\n", xmit_cnt); 225 bLeaveLPS = true; 226 } 227 } 228 229 start_time = jiffies; 230 xmit_cnt = 0; 231 } 232 233 } else { /* from rx path */ 234 if (pmlmepriv->LinkDetectInfo.NumRxUnicastOkInPeriod > 4/*2*/) { 235 if (adapter_to_pwrctl(padapter)->bLeisurePs 236 && (adapter_to_pwrctl(padapter)->pwr_mode != PS_MODE_ACTIVE) 237 && !(hal_btcoex_IsBtControlLps(padapter))) { 238 DBG_871X("leave lps via Rx = %d\n", pmlmepriv->LinkDetectInfo.NumRxUnicastOkInPeriod); 239 bLeaveLPS = true; 240 } 241 } 242 } 243 244 if (bLeaveLPS) 245 /* DBG_871X("leave lps via %s, Tx = %d, Rx = %d\n", tx?"Tx":"Rx", pmlmepriv->LinkDetectInfo.NumTxOkInPeriod, pmlmepriv->LinkDetectInfo.NumRxUnicastOkInPeriod); */ 246 /* rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_LEAVE, 1); */ 247 rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_LEAVE, tx?0:1); 248 } 249 250 /* 251 * Description: 252 *This function MUST be called under power lock protect 253 * 254 * Parameters 255 *padapter 256 *pslv power state level, only could be PS_STATE_S0 ~ PS_STATE_S4 257 * 258 */ 259 void rtw_set_rpwm(struct adapter *padapter, u8 pslv) 260 { 261 u8 rpwm; 262 struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter); 263 u8 cpwm_orig; 264 265 pslv = PS_STATE(pslv); 266 267 if (pwrpriv->brpwmtimeout) { 268 DBG_871X("%s: RPWM timeout, force to set RPWM(0x%02X) again!\n", __func__, pslv); 269 } else { 270 if ((pwrpriv->rpwm == pslv) 271 || ((pwrpriv->rpwm >= PS_STATE_S2) && (pslv >= PS_STATE_S2))) { 272 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_err_, 273 ("%s: Already set rpwm[0x%02X], new = 0x%02X!\n", __func__, pwrpriv->rpwm, pslv)); 274 return; 275 } 276 } 277 278 if ((padapter->bSurpriseRemoved) || !(padapter->hw_init_completed)) { 279 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_err_, 280 ("%s: SurpriseRemoved(%d) hw_init_completed(%d)\n", 281 __func__, padapter->bSurpriseRemoved, padapter->hw_init_completed)); 282 283 pwrpriv->cpwm = PS_STATE_S4; 284 285 return; 286 } 287 288 if (padapter->bDriverStopped) { 289 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_err_, 290 ("%s: change power state(0x%02X) when DriverStopped\n", __func__, pslv)); 291 292 if (pslv < PS_STATE_S2) { 293 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_err_, 294 ("%s: Reject to enter PS_STATE(0x%02X) lower than S2 when DriverStopped!!\n", __func__, pslv)); 295 return; 296 } 297 } 298 299 rpwm = pslv | pwrpriv->tog; 300 /* only when from PS_STATE S0/S1 to S2 and higher needs ACK */ 301 if ((pwrpriv->cpwm < PS_STATE_S2) && (pslv >= PS_STATE_S2)) 302 rpwm |= PS_ACK; 303 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_, 304 ("rtw_set_rpwm: rpwm = 0x%02x cpwm = 0x%02x\n", rpwm, pwrpriv->cpwm)); 305 306 pwrpriv->rpwm = pslv; 307 308 cpwm_orig = 0; 309 if (rpwm & PS_ACK) 310 rtw_hal_get_hwreg(padapter, HW_VAR_CPWM, &cpwm_orig); 311 312 if (rpwm & PS_ACK) 313 _set_timer(&pwrpriv->pwr_rpwm_timer, LPS_RPWM_WAIT_MS); 314 rtw_hal_set_hwreg(padapter, HW_VAR_SET_RPWM, (u8 *)(&rpwm)); 315 316 pwrpriv->tog += 0x80; 317 318 /* No LPS 32K, No Ack */ 319 if (rpwm & PS_ACK) { 320 unsigned long start_time; 321 u8 cpwm_now; 322 u8 poll_cnt = 0; 323 324 start_time = jiffies; 325 326 /* polling cpwm */ 327 do { 328 mdelay(1); 329 poll_cnt++; 330 rtw_hal_get_hwreg(padapter, HW_VAR_CPWM, &cpwm_now); 331 if ((cpwm_orig ^ cpwm_now) & 0x80) { 332 pwrpriv->cpwm = PS_STATE_S4; 333 pwrpriv->cpwm_tog = cpwm_now & PS_TOGGLE; 334 break; 335 } 336 337 if (jiffies_to_msecs(jiffies - start_time) > LPS_RPWM_WAIT_MS) { 338 DBG_871X("%s: polling cpwm timeout! poll_cnt =%d, cpwm_orig =%02x, cpwm_now =%02x\n", __func__, poll_cnt, cpwm_orig, cpwm_now); 339 _set_timer(&pwrpriv->pwr_rpwm_timer, 1); 340 break; 341 } 342 } while (1); 343 } else 344 pwrpriv->cpwm = pslv; 345 } 346 347 static u8 PS_RDY_CHECK(struct adapter *padapter) 348 { 349 unsigned long curr_time, delta_time; 350 struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter); 351 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv); 352 353 #if defined(CONFIG_WOWLAN) || defined(CONFIG_AP_WOWLAN) 354 if (pwrpriv->bInSuspend && pwrpriv->wowlan_mode) 355 return true; 356 else if (pwrpriv->bInSuspend && pwrpriv->wowlan_ap_mode) 357 return true; 358 else if (pwrpriv->bInSuspend) 359 return false; 360 #else 361 if (pwrpriv->bInSuspend) 362 return false; 363 #endif 364 365 curr_time = jiffies; 366 367 delta_time = curr_time - pwrpriv->DelayLPSLastTimeStamp; 368 369 if (delta_time < LPS_DELAY_TIME) 370 return false; 371 372 if (check_fwstate(pmlmepriv, WIFI_SITE_MONITOR) 373 || check_fwstate(pmlmepriv, WIFI_UNDER_LINKING|WIFI_UNDER_WPS) 374 || check_fwstate(pmlmepriv, WIFI_AP_STATE) 375 || check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE|WIFI_ADHOC_STATE) 376 || rtw_is_scan_deny(padapter) 377 ) 378 return false; 379 380 if ((padapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) && !(padapter->securitypriv.binstallGrpkey)) { 381 DBG_871X("Group handshake still in progress !!!\n"); 382 return false; 383 } 384 385 if (!rtw_cfg80211_pwr_mgmt(padapter)) 386 return false; 387 388 return true; 389 } 390 391 void rtw_set_ps_mode(struct adapter *padapter, u8 ps_mode, u8 smart_ps, u8 bcn_ant_mode, const char *msg) 392 { 393 struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter); 394 #if defined(CONFIG_WOWLAN) || defined(CONFIG_AP_WOWLAN) 395 struct debug_priv *pdbgpriv = &padapter->dvobj->drv_dbg; 396 #endif 397 398 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_, 399 ("%s: PowerMode =%d Smart_PS =%d\n", 400 __func__, ps_mode, smart_ps)); 401 402 if (ps_mode > PM_Card_Disable) { 403 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_err_, ("ps_mode:%d error\n", ps_mode)); 404 return; 405 } 406 407 if (pwrpriv->pwr_mode == ps_mode) 408 if (PS_MODE_ACTIVE == ps_mode) 409 return; 410 411 412 mutex_lock(&pwrpriv->lock); 413 414 /* if (pwrpriv->pwr_mode == PS_MODE_ACTIVE) */ 415 if (ps_mode == PS_MODE_ACTIVE) { 416 if (!(hal_btcoex_IsBtControlLps(padapter)) 417 || (hal_btcoex_IsBtControlLps(padapter) 418 && !(hal_btcoex_IsLpsOn(padapter)))) { 419 DBG_871X(FUNC_ADPT_FMT" Leave 802.11 power save - %s\n", 420 FUNC_ADPT_ARG(padapter), msg); 421 422 pwrpriv->pwr_mode = ps_mode; 423 rtw_set_rpwm(padapter, PS_STATE_S4); 424 425 #if defined(CONFIG_WOWLAN) || defined(CONFIG_AP_WOWLAN) 426 if (pwrpriv->wowlan_mode || pwrpriv->wowlan_ap_mode) { 427 unsigned long start_time; 428 u32 delay_ms; 429 u8 val8; 430 delay_ms = 20; 431 start_time = jiffies; 432 do { 433 rtw_hal_get_hwreg(padapter, HW_VAR_SYS_CLKR, &val8); 434 if (!(val8 & BIT(4))) { /* 0x08 bit4 = 1 --> in 32k, bit4 = 0 --> leave 32k */ 435 pwrpriv->cpwm = PS_STATE_S4; 436 break; 437 } 438 if (jiffies_to_msecs(jiffies - start_time) > delay_ms) { 439 DBG_871X("%s: Wait for FW 32K leave more than %u ms!!!\n", 440 __func__, delay_ms); 441 pdbgpriv->dbg_wow_leave_ps_fail_cnt++; 442 break; 443 } 444 msleep(1); 445 } while (1); 446 } 447 #endif 448 rtw_hal_set_hwreg(padapter, HW_VAR_H2C_FW_PWRMODE, (u8 *)(&ps_mode)); 449 pwrpriv->bFwCurrentInPSMode = false; 450 451 hal_btcoex_LpsNotify(padapter, ps_mode); 452 } 453 } else { 454 if ((PS_RDY_CHECK(padapter) && check_fwstate(&padapter->mlmepriv, WIFI_ASOC_STATE)) || 455 ((hal_btcoex_IsBtControlLps(padapter)) && (hal_btcoex_IsLpsOn(padapter))) 456 ) { 457 u8 pslv; 458 459 DBG_871X(FUNC_ADPT_FMT" Enter 802.11 power save - %s\n", 460 FUNC_ADPT_ARG(padapter), msg); 461 462 hal_btcoex_LpsNotify(padapter, ps_mode); 463 464 pwrpriv->bFwCurrentInPSMode = true; 465 pwrpriv->pwr_mode = ps_mode; 466 pwrpriv->smart_ps = smart_ps; 467 pwrpriv->bcn_ant_mode = bcn_ant_mode; 468 rtw_hal_set_hwreg(padapter, HW_VAR_H2C_FW_PWRMODE, (u8 *)(&ps_mode)); 469 470 pslv = PS_STATE_S2; 471 if (pwrpriv->alives == 0) 472 pslv = PS_STATE_S0; 473 474 if (!(hal_btcoex_IsBtDisabled(padapter)) && 475 (hal_btcoex_IsBtControlLps(padapter))) { 476 u8 val8; 477 478 val8 = hal_btcoex_LpsVal(padapter); 479 if (val8 & BIT(4)) 480 pslv = PS_STATE_S2; 481 } 482 483 rtw_set_rpwm(padapter, pslv); 484 } 485 } 486 487 mutex_unlock(&pwrpriv->lock); 488 } 489 490 /* 491 * Return: 492 *0: Leave OK 493 *-1: Timeout 494 *-2: Other error 495 */ 496 s32 LPS_RF_ON_check(struct adapter *padapter, u32 delay_ms) 497 { 498 unsigned long start_time; 499 u8 bAwake = false; 500 s32 err = 0; 501 502 503 start_time = jiffies; 504 while (1) { 505 rtw_hal_get_hwreg(padapter, HW_VAR_FWLPS_RF_ON, &bAwake); 506 if (bAwake) 507 break; 508 509 if (padapter->bSurpriseRemoved) { 510 err = -2; 511 DBG_871X("%s: device surprise removed!!\n", __func__); 512 break; 513 } 514 515 if (jiffies_to_msecs(jiffies - start_time) > delay_ms) { 516 err = -1; 517 DBG_871X("%s: Wait for FW LPS leave more than %u ms!!!\n", __func__, delay_ms); 518 break; 519 } 520 msleep(1); 521 } 522 523 return err; 524 } 525 526 /* */ 527 /* Description: */ 528 /* Enter the leisure power save mode. */ 529 /* */ 530 void LPS_Enter(struct adapter *padapter, const char *msg) 531 { 532 struct dvobj_priv *dvobj = adapter_to_dvobj(padapter); 533 struct pwrctrl_priv *pwrpriv = dvobj_to_pwrctl(dvobj); 534 int n_assoc_iface = 0; 535 char buf[32] = {0}; 536 537 if (hal_btcoex_IsBtControlLps(padapter)) 538 return; 539 540 /* Skip lps enter request if number of assocated adapters is not 1 */ 541 if (check_fwstate(&(dvobj->padapters->mlmepriv), WIFI_ASOC_STATE)) 542 n_assoc_iface++; 543 if (n_assoc_iface != 1) 544 return; 545 546 /* Skip lps enter request for adapter not port0 */ 547 if (get_iface_type(padapter) != IFACE_PORT0) 548 return; 549 550 if (!PS_RDY_CHECK(dvobj->padapters)) 551 return; 552 553 if (pwrpriv->bLeisurePs) { 554 /* Idle for a while if we connect to AP a while ago. */ 555 if (pwrpriv->LpsIdleCount >= 2) { /* 4 Sec */ 556 if (pwrpriv->pwr_mode == PS_MODE_ACTIVE) { 557 sprintf(buf, "WIFI-%s", msg); 558 pwrpriv->bpower_saving = true; 559 rtw_set_ps_mode(padapter, pwrpriv->power_mgnt, padapter->registrypriv.smart_ps, 0, buf); 560 } 561 } else 562 pwrpriv->LpsIdleCount++; 563 } 564 565 /* DBG_871X("-LeisurePSEnter\n"); */ 566 } 567 568 /* */ 569 /* Description: */ 570 /* Leave the leisure power save mode. */ 571 /* */ 572 void LPS_Leave(struct adapter *padapter, const char *msg) 573 { 574 #define LPS_LEAVE_TIMEOUT_MS 100 575 576 struct dvobj_priv *dvobj = adapter_to_dvobj(padapter); 577 struct pwrctrl_priv *pwrpriv = dvobj_to_pwrctl(dvobj); 578 char buf[32] = {0}; 579 580 /* DBG_871X("+LeisurePSLeave\n"); */ 581 582 if (hal_btcoex_IsBtControlLps(padapter)) 583 return; 584 585 if (pwrpriv->bLeisurePs) { 586 if (pwrpriv->pwr_mode != PS_MODE_ACTIVE) { 587 sprintf(buf, "WIFI-%s", msg); 588 rtw_set_ps_mode(padapter, PS_MODE_ACTIVE, 0, 0, buf); 589 590 if (pwrpriv->pwr_mode == PS_MODE_ACTIVE) 591 LPS_RF_ON_check(padapter, LPS_LEAVE_TIMEOUT_MS); 592 } 593 } 594 595 pwrpriv->bpower_saving = false; 596 /* DBG_871X("-LeisurePSLeave\n"); */ 597 598 } 599 600 void LeaveAllPowerSaveModeDirect(struct adapter *Adapter) 601 { 602 struct adapter *pri_padapter = GET_PRIMARY_ADAPTER(Adapter); 603 struct mlme_priv *pmlmepriv = &(Adapter->mlmepriv); 604 struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(Adapter); 605 606 DBG_871X("%s.....\n", __func__); 607 608 if (Adapter->bSurpriseRemoved) { 609 DBG_871X(FUNC_ADPT_FMT ": bSurpriseRemoved =%d Skip!\n", 610 FUNC_ADPT_ARG(Adapter), Adapter->bSurpriseRemoved); 611 return; 612 } 613 614 if (check_fwstate(pmlmepriv, _FW_LINKED)) { /* connect */ 615 616 if (pwrpriv->pwr_mode == PS_MODE_ACTIVE) { 617 DBG_871X("%s: Driver Already Leave LPS\n", __func__); 618 return; 619 } 620 621 mutex_lock(&pwrpriv->lock); 622 623 rtw_set_rpwm(Adapter, PS_STATE_S4); 624 625 mutex_unlock(&pwrpriv->lock); 626 627 rtw_lps_ctrl_wk_cmd(pri_padapter, LPS_CTRL_LEAVE, 0); 628 } else { 629 if (pwrpriv->rf_pwrstate == rf_off) 630 if (!ips_leave(pri_padapter)) 631 DBG_871X("======> ips_leave fail.............\n"); 632 } 633 } 634 635 /* */ 636 /* Description: Leave all power save mode: LPS, FwLPS, IPS if needed. */ 637 /* Move code to function by tynli. 2010.03.26. */ 638 /* */ 639 void LeaveAllPowerSaveMode(struct adapter *Adapter) 640 { 641 struct dvobj_priv *dvobj = adapter_to_dvobj(Adapter); 642 u8 enqueue = 0; 643 int n_assoc_iface = 0; 644 645 if (!Adapter->bup) { 646 DBG_871X(FUNC_ADPT_FMT ": bup =%d Skip!\n", 647 FUNC_ADPT_ARG(Adapter), Adapter->bup); 648 return; 649 } 650 651 if (Adapter->bSurpriseRemoved) { 652 DBG_871X(FUNC_ADPT_FMT ": bSurpriseRemoved =%d Skip!\n", 653 FUNC_ADPT_ARG(Adapter), Adapter->bSurpriseRemoved); 654 return; 655 } 656 657 if (check_fwstate(&(dvobj->padapters->mlmepriv), WIFI_ASOC_STATE)) 658 n_assoc_iface++; 659 660 if (n_assoc_iface) { /* connect */ 661 enqueue = 1; 662 663 rtw_lps_ctrl_wk_cmd(Adapter, LPS_CTRL_LEAVE, enqueue); 664 665 LPS_Leave_check(Adapter); 666 } else { 667 if (adapter_to_pwrctl(Adapter)->rf_pwrstate == rf_off) { 668 if (!ips_leave(Adapter)) 669 DBG_871X("======> ips_leave fail.............\n"); 670 } 671 } 672 } 673 674 void LPS_Leave_check(struct adapter *padapter) 675 { 676 struct pwrctrl_priv *pwrpriv; 677 unsigned long start_time; 678 u8 bReady; 679 680 pwrpriv = adapter_to_pwrctl(padapter); 681 682 bReady = false; 683 start_time = jiffies; 684 685 cond_resched(); 686 687 while (1) { 688 mutex_lock(&pwrpriv->lock); 689 690 if (padapter->bSurpriseRemoved || 691 !(padapter->hw_init_completed) || 692 (pwrpriv->pwr_mode == PS_MODE_ACTIVE)) 693 bReady = true; 694 695 mutex_unlock(&pwrpriv->lock); 696 697 if (bReady) 698 break; 699 700 if (jiffies_to_msecs(jiffies - start_time) > 100) { 701 DBG_871X("Wait for cpwm event than 100 ms!!!\n"); 702 break; 703 } 704 msleep(1); 705 } 706 } 707 708 /* 709 * Caller:ISR handler... 710 * 711 * This will be called when CPWM interrupt is up. 712 * 713 * using to update cpwn of drv; and drv willl make a decision to up or down pwr level 714 */ 715 void cpwm_int_hdl(struct adapter *padapter, struct reportpwrstate_parm *preportpwrstate) 716 { 717 struct pwrctrl_priv *pwrpriv; 718 719 pwrpriv = adapter_to_pwrctl(padapter); 720 721 mutex_lock(&pwrpriv->lock); 722 723 if (pwrpriv->rpwm < PS_STATE_S2) { 724 DBG_871X("%s: Redundant CPWM Int. RPWM = 0x%02X CPWM = 0x%02x\n", __func__, pwrpriv->rpwm, pwrpriv->cpwm); 725 goto exit; 726 } 727 728 pwrpriv->cpwm = PS_STATE(preportpwrstate->state); 729 pwrpriv->cpwm_tog = preportpwrstate->state & PS_TOGGLE; 730 731 if (pwrpriv->cpwm >= PS_STATE_S2) { 732 if (pwrpriv->alives & CMD_ALIVE) 733 complete(&padapter->cmdpriv.cmd_queue_comp); 734 735 if (pwrpriv->alives & XMIT_ALIVE) 736 complete(&padapter->xmitpriv.xmit_comp); 737 } 738 739 exit: 740 mutex_unlock(&pwrpriv->lock); 741 742 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_, 743 ("cpwm_int_hdl: cpwm = 0x%02x\n", pwrpriv->cpwm)); 744 } 745 746 static void cpwm_event_callback(struct work_struct *work) 747 { 748 struct pwrctrl_priv *pwrpriv = container_of(work, struct pwrctrl_priv, cpwm_event); 749 struct dvobj_priv *dvobj = pwrctl_to_dvobj(pwrpriv); 750 struct adapter *adapter = dvobj->if1; 751 struct reportpwrstate_parm report; 752 753 /* DBG_871X("%s\n", __func__); */ 754 755 report.state = PS_STATE_S2; 756 cpwm_int_hdl(adapter, &report); 757 } 758 759 static void rpwmtimeout_workitem_callback(struct work_struct *work) 760 { 761 struct adapter *padapter; 762 struct dvobj_priv *dvobj; 763 struct pwrctrl_priv *pwrpriv; 764 765 766 pwrpriv = container_of(work, struct pwrctrl_priv, rpwmtimeoutwi); 767 dvobj = pwrctl_to_dvobj(pwrpriv); 768 padapter = dvobj->if1; 769 /* DBG_871X("+%s: rpwm = 0x%02X cpwm = 0x%02X\n", __func__, pwrpriv->rpwm, pwrpriv->cpwm); */ 770 771 mutex_lock(&pwrpriv->lock); 772 if ((pwrpriv->rpwm == pwrpriv->cpwm) || (pwrpriv->cpwm >= PS_STATE_S2)) { 773 DBG_871X("%s: rpwm = 0x%02X cpwm = 0x%02X CPWM done!\n", __func__, pwrpriv->rpwm, pwrpriv->cpwm); 774 goto exit; 775 } 776 mutex_unlock(&pwrpriv->lock); 777 778 if (rtw_read8(padapter, 0x100) != 0xEA) { 779 struct reportpwrstate_parm report; 780 781 report.state = PS_STATE_S2; 782 DBG_871X("\n%s: FW already leave 32K!\n\n", __func__); 783 cpwm_int_hdl(padapter, &report); 784 785 return; 786 } 787 788 mutex_lock(&pwrpriv->lock); 789 790 if ((pwrpriv->rpwm == pwrpriv->cpwm) || (pwrpriv->cpwm >= PS_STATE_S2)) { 791 DBG_871X("%s: cpwm =%d, nothing to do!\n", __func__, pwrpriv->cpwm); 792 goto exit; 793 } 794 pwrpriv->brpwmtimeout = true; 795 rtw_set_rpwm(padapter, pwrpriv->rpwm); 796 pwrpriv->brpwmtimeout = false; 797 798 exit: 799 mutex_unlock(&pwrpriv->lock); 800 } 801 802 /* 803 * This function is a timer handler, can't do any IO in it. 804 */ 805 static void pwr_rpwm_timeout_handler(struct timer_list *t) 806 { 807 struct pwrctrl_priv *pwrpriv = from_timer(pwrpriv, t, pwr_rpwm_timer); 808 809 DBG_871X("+%s: rpwm = 0x%02X cpwm = 0x%02X\n", __func__, pwrpriv->rpwm, pwrpriv->cpwm); 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 return; 814 } 815 816 _set_workitem(&pwrpriv->rpwmtimeoutwi); 817 } 818 819 static inline void register_task_alive(struct pwrctrl_priv *pwrctrl, u32 tag) 820 { 821 pwrctrl->alives |= tag; 822 } 823 824 static inline void unregister_task_alive(struct pwrctrl_priv *pwrctrl, u32 tag) 825 { 826 pwrctrl->alives &= ~tag; 827 } 828 829 830 /* 831 * Description: 832 *Check if the fw_pwrstate is okay for I/O. 833 *If not (cpwm is less than S2), then the sub-routine 834 *will raise the cpwm to be greater than or equal to S2. 835 * 836 *Calling Context: Passive 837 * 838 *Constraint: 839 * 1. this function will request pwrctrl->lock 840 * 841 * Return Value: 842 *_SUCCESS hardware is ready for I/O 843 *_FAIL can't I/O right now 844 */ 845 s32 rtw_register_task_alive(struct adapter *padapter, u32 task) 846 { 847 s32 res; 848 struct pwrctrl_priv *pwrctrl; 849 u8 pslv; 850 851 res = _SUCCESS; 852 pwrctrl = adapter_to_pwrctl(padapter); 853 pslv = PS_STATE_S2; 854 855 mutex_lock(&pwrctrl->lock); 856 857 register_task_alive(pwrctrl, task); 858 859 if (pwrctrl->bFwCurrentInPSMode) { 860 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_, 861 ("%s: task = 0x%x cpwm = 0x%02x alives = 0x%08x\n", 862 __func__, task, pwrctrl->cpwm, pwrctrl->alives)); 863 864 if (pwrctrl->cpwm < pslv) { 865 if (pwrctrl->cpwm < PS_STATE_S2) 866 res = _FAIL; 867 if (pwrctrl->rpwm < pslv) 868 rtw_set_rpwm(padapter, pslv); 869 } 870 } 871 872 mutex_unlock(&pwrctrl->lock); 873 874 if (_FAIL == res) 875 if (pwrctrl->cpwm >= PS_STATE_S2) 876 res = _SUCCESS; 877 878 return res; 879 } 880 881 /* 882 * Description: 883 *If task is done, call this func. to power down firmware again. 884 * 885 *Constraint: 886 * 1. this function will request pwrctrl->lock 887 * 888 * Return Value: 889 *none 890 */ 891 void rtw_unregister_task_alive(struct adapter *padapter, u32 task) 892 { 893 struct pwrctrl_priv *pwrctrl; 894 u8 pslv; 895 896 pwrctrl = adapter_to_pwrctl(padapter); 897 pslv = PS_STATE_S0; 898 899 if (!(hal_btcoex_IsBtDisabled(padapter)) && hal_btcoex_IsBtControlLps(padapter)) { 900 u8 val8; 901 902 val8 = hal_btcoex_LpsVal(padapter); 903 if (val8 & BIT(4)) 904 pslv = PS_STATE_S2; 905 } 906 907 mutex_lock(&pwrctrl->lock); 908 909 unregister_task_alive(pwrctrl, task); 910 911 if ((pwrctrl->pwr_mode != PS_MODE_ACTIVE) && pwrctrl->bFwCurrentInPSMode) { 912 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_, 913 ("%s: cpwm = 0x%02x alives = 0x%08x\n", 914 __func__, pwrctrl->cpwm, pwrctrl->alives)); 915 916 if (pwrctrl->cpwm > pslv) 917 if ((pslv >= PS_STATE_S2) || (pwrctrl->alives == 0)) 918 rtw_set_rpwm(padapter, pslv); 919 920 } 921 922 mutex_unlock(&pwrctrl->lock); 923 } 924 925 /* 926 * Caller: rtw_xmit_thread 927 * 928 * Check if the fw_pwrstate is okay for xmit. 929 * If not (cpwm is less than S3), then the sub-routine 930 * will raise the cpwm to be greater than or equal to S3. 931 * 932 * Calling Context: Passive 933 * 934 * Return Value: 935 * _SUCCESS rtw_xmit_thread can write fifo/txcmd afterwards. 936 * _FAIL rtw_xmit_thread can not do anything. 937 */ 938 s32 rtw_register_tx_alive(struct adapter *padapter) 939 { 940 s32 res; 941 struct pwrctrl_priv *pwrctrl; 942 u8 pslv; 943 944 res = _SUCCESS; 945 pwrctrl = adapter_to_pwrctl(padapter); 946 pslv = PS_STATE_S2; 947 948 mutex_lock(&pwrctrl->lock); 949 950 register_task_alive(pwrctrl, XMIT_ALIVE); 951 952 if (pwrctrl->bFwCurrentInPSMode) { 953 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_, 954 ("rtw_register_tx_alive: cpwm = 0x%02x alives = 0x%08x\n", 955 pwrctrl->cpwm, pwrctrl->alives)); 956 957 if (pwrctrl->cpwm < pslv) { 958 if (pwrctrl->cpwm < PS_STATE_S2) 959 res = _FAIL; 960 if (pwrctrl->rpwm < pslv) 961 rtw_set_rpwm(padapter, pslv); 962 } 963 } 964 965 mutex_unlock(&pwrctrl->lock); 966 967 if (_FAIL == res) 968 if (pwrctrl->cpwm >= PS_STATE_S2) 969 res = _SUCCESS; 970 971 return res; 972 } 973 974 /* 975 * Caller: rtw_cmd_thread 976 * 977 * Check if the fw_pwrstate is okay for issuing cmd. 978 * If not (cpwm should be is less than S2), then the sub-routine 979 * will raise the cpwm to be greater than or equal to S2. 980 * 981 * Calling Context: Passive 982 * 983 * Return Value: 984 *_SUCCESS rtw_cmd_thread can issue cmds to firmware afterwards. 985 *_FAIL rtw_cmd_thread can not do anything. 986 */ 987 s32 rtw_register_cmd_alive(struct adapter *padapter) 988 { 989 s32 res; 990 struct pwrctrl_priv *pwrctrl; 991 u8 pslv; 992 993 res = _SUCCESS; 994 pwrctrl = adapter_to_pwrctl(padapter); 995 pslv = PS_STATE_S2; 996 997 mutex_lock(&pwrctrl->lock); 998 999 register_task_alive(pwrctrl, CMD_ALIVE); 1000 1001 if (pwrctrl->bFwCurrentInPSMode) { 1002 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_info_, 1003 ("rtw_register_cmd_alive: cpwm = 0x%02x alives = 0x%08x\n", 1004 pwrctrl->cpwm, pwrctrl->alives)); 1005 1006 if (pwrctrl->cpwm < pslv) { 1007 if (pwrctrl->cpwm < PS_STATE_S2) 1008 res = _FAIL; 1009 if (pwrctrl->rpwm < pslv) 1010 rtw_set_rpwm(padapter, pslv); 1011 } 1012 } 1013 1014 mutex_unlock(&pwrctrl->lock); 1015 1016 if (_FAIL == res) 1017 if (pwrctrl->cpwm >= PS_STATE_S2) 1018 res = _SUCCESS; 1019 1020 return res; 1021 } 1022 1023 /* 1024 * Caller: ISR 1025 * 1026 * If ISR's txdone, 1027 * No more pkts for TX, 1028 * Then driver shall call this fun. to power down firmware again. 1029 */ 1030 void rtw_unregister_tx_alive(struct adapter *padapter) 1031 { 1032 struct pwrctrl_priv *pwrctrl; 1033 u8 pslv; 1034 1035 pwrctrl = adapter_to_pwrctl(padapter); 1036 pslv = PS_STATE_S0; 1037 1038 if (!(hal_btcoex_IsBtDisabled(padapter)) && hal_btcoex_IsBtControlLps(padapter)) { 1039 u8 val8; 1040 1041 val8 = hal_btcoex_LpsVal(padapter); 1042 if (val8 & BIT(4)) 1043 pslv = PS_STATE_S2; 1044 } 1045 1046 mutex_lock(&pwrctrl->lock); 1047 1048 unregister_task_alive(pwrctrl, XMIT_ALIVE); 1049 1050 if ((pwrctrl->pwr_mode != PS_MODE_ACTIVE) && pwrctrl->bFwCurrentInPSMode) { 1051 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_, 1052 ("%s: cpwm = 0x%02x alives = 0x%08x\n", 1053 __func__, pwrctrl->cpwm, pwrctrl->alives)); 1054 1055 if (pwrctrl->cpwm > pslv) 1056 if ((pslv >= PS_STATE_S2) || (pwrctrl->alives == 0)) 1057 rtw_set_rpwm(padapter, pslv); 1058 } 1059 1060 mutex_unlock(&pwrctrl->lock); 1061 } 1062 1063 /* 1064 * Caller: ISR 1065 * 1066 * If all commands have been done, 1067 * and no more command to do, 1068 * then driver shall call this fun. to power down firmware again. 1069 */ 1070 void rtw_unregister_cmd_alive(struct adapter *padapter) 1071 { 1072 struct pwrctrl_priv *pwrctrl; 1073 u8 pslv; 1074 1075 pwrctrl = adapter_to_pwrctl(padapter); 1076 pslv = PS_STATE_S0; 1077 1078 if (!(hal_btcoex_IsBtDisabled(padapter)) && hal_btcoex_IsBtControlLps(padapter)) { 1079 u8 val8; 1080 1081 val8 = hal_btcoex_LpsVal(padapter); 1082 if (val8 & BIT(4)) 1083 pslv = PS_STATE_S2; 1084 } 1085 1086 mutex_lock(&pwrctrl->lock); 1087 1088 unregister_task_alive(pwrctrl, CMD_ALIVE); 1089 1090 if ((pwrctrl->pwr_mode != PS_MODE_ACTIVE) && pwrctrl->bFwCurrentInPSMode) { 1091 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_info_, 1092 ("%s: cpwm = 0x%02x alives = 0x%08x\n", 1093 __func__, pwrctrl->cpwm, pwrctrl->alives)); 1094 1095 if (pwrctrl->cpwm > pslv) { 1096 if ((pslv >= PS_STATE_S2) || (pwrctrl->alives == 0)) 1097 rtw_set_rpwm(padapter, pslv); 1098 } 1099 } 1100 1101 mutex_unlock(&pwrctrl->lock); 1102 } 1103 1104 void rtw_init_pwrctrl_priv(struct adapter *padapter) 1105 { 1106 struct pwrctrl_priv *pwrctrlpriv = adapter_to_pwrctl(padapter); 1107 1108 mutex_init(&pwrctrlpriv->lock); 1109 pwrctrlpriv->rf_pwrstate = rf_on; 1110 pwrctrlpriv->ips_enter_cnts = 0; 1111 pwrctrlpriv->ips_leave_cnts = 0; 1112 pwrctrlpriv->bips_processing = false; 1113 1114 pwrctrlpriv->ips_mode = padapter->registrypriv.ips_mode; 1115 pwrctrlpriv->ips_mode_req = padapter->registrypriv.ips_mode; 1116 1117 pwrctrlpriv->pwr_state_check_interval = RTW_PWR_STATE_CHK_INTERVAL; 1118 pwrctrlpriv->pwr_state_check_cnts = 0; 1119 pwrctrlpriv->bInternalAutoSuspend = false; 1120 pwrctrlpriv->bInSuspend = false; 1121 pwrctrlpriv->bkeepfwalive = false; 1122 1123 pwrctrlpriv->LpsIdleCount = 0; 1124 pwrctrlpriv->power_mgnt = padapter->registrypriv.power_mgnt;/* PS_MODE_MIN; */ 1125 pwrctrlpriv->bLeisurePs = pwrctrlpriv->power_mgnt != PS_MODE_ACTIVE; 1126 1127 pwrctrlpriv->bFwCurrentInPSMode = false; 1128 1129 pwrctrlpriv->rpwm = 0; 1130 pwrctrlpriv->cpwm = PS_STATE_S4; 1131 1132 pwrctrlpriv->pwr_mode = PS_MODE_ACTIVE; 1133 pwrctrlpriv->smart_ps = padapter->registrypriv.smart_ps; 1134 pwrctrlpriv->bcn_ant_mode = 0; 1135 pwrctrlpriv->dtim = 0; 1136 1137 pwrctrlpriv->tog = 0x80; 1138 1139 rtw_hal_set_hwreg(padapter, HW_VAR_SET_RPWM, (u8 *)(&pwrctrlpriv->rpwm)); 1140 1141 _init_workitem(&pwrctrlpriv->cpwm_event, cpwm_event_callback, NULL); 1142 1143 pwrctrlpriv->brpwmtimeout = false; 1144 pwrctrlpriv->adapter = padapter; 1145 _init_workitem(&pwrctrlpriv->rpwmtimeoutwi, rpwmtimeout_workitem_callback, NULL); 1146 timer_setup(&pwrctrlpriv->pwr_rpwm_timer, pwr_rpwm_timeout_handler, 0); 1147 timer_setup(&pwrctrlpriv->pwr_state_check_timer, 1148 pwr_state_check_handler, 0); 1149 1150 pwrctrlpriv->wowlan_mode = false; 1151 pwrctrlpriv->wowlan_ap_mode = false; 1152 1153 #ifdef CONFIG_PNO_SUPPORT 1154 pwrctrlpriv->pno_inited = false; 1155 pwrctrlpriv->pnlo_info = NULL; 1156 pwrctrlpriv->pscan_info = NULL; 1157 pwrctrlpriv->pno_ssid_list = NULL; 1158 pwrctrlpriv->pno_in_resume = true; 1159 #endif 1160 } 1161 1162 1163 void rtw_free_pwrctrl_priv(struct adapter *adapter) 1164 { 1165 #ifdef CONFIG_PNO_SUPPORT 1166 if (pwrctrlpriv->pnlo_info) 1167 printk("****** pnlo_info memory leak********\n"); 1168 1169 if (pwrctrlpriv->pscan_info) 1170 printk("****** pscan_info memory leak********\n"); 1171 1172 if (pwrctrlpriv->pno_ssid_list) 1173 printk("****** pno_ssid_list memory leak********\n"); 1174 #endif 1175 } 1176 1177 inline void rtw_set_ips_deny(struct adapter *padapter, u32 ms) 1178 { 1179 struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter); 1180 pwrpriv->ips_deny_time = jiffies + msecs_to_jiffies(ms); 1181 } 1182 1183 /* 1184 * rtw_pwr_wakeup - Wake the NIC up from: 1)IPS. 2)USB autosuspend 1185 * @adapter: pointer to struct adapter structure 1186 * @ips_deffer_ms: the ms will prevent from falling into IPS after wakeup 1187 * Return _SUCCESS or _FAIL 1188 */ 1189 1190 int _rtw_pwr_wakeup(struct adapter *padapter, u32 ips_deffer_ms, const char *caller) 1191 { 1192 struct dvobj_priv *dvobj = adapter_to_dvobj(padapter); 1193 struct pwrctrl_priv *pwrpriv = dvobj_to_pwrctl(dvobj); 1194 struct mlme_priv *pmlmepriv; 1195 int ret = _SUCCESS; 1196 unsigned long start = jiffies; 1197 unsigned long deny_time = jiffies + msecs_to_jiffies(ips_deffer_ms); 1198 1199 /* for LPS */ 1200 LeaveAllPowerSaveMode(padapter); 1201 1202 /* IPS still bound with primary adapter */ 1203 padapter = GET_PRIMARY_ADAPTER(padapter); 1204 pmlmepriv = &padapter->mlmepriv; 1205 1206 if (time_before(pwrpriv->ips_deny_time, deny_time)) 1207 pwrpriv->ips_deny_time = deny_time; 1208 1209 1210 if (pwrpriv->ps_processing) { 1211 DBG_871X("%s wait ps_processing...\n", __func__); 1212 while (pwrpriv->ps_processing && jiffies_to_msecs(jiffies - start) <= 3000) 1213 mdelay(10); 1214 if (pwrpriv->ps_processing) 1215 DBG_871X("%s wait ps_processing timeout\n", __func__); 1216 else 1217 DBG_871X("%s wait ps_processing done\n", __func__); 1218 } 1219 1220 if (!(pwrpriv->bInternalAutoSuspend) && pwrpriv->bInSuspend) { 1221 DBG_871X("%s wait bInSuspend...\n", __func__); 1222 while (pwrpriv->bInSuspend && jiffies_to_msecs(jiffies - start) <= 3000 1223 ) { 1224 mdelay(10); 1225 } 1226 if (pwrpriv->bInSuspend) 1227 DBG_871X("%s wait bInSuspend timeout\n", __func__); 1228 else 1229 DBG_871X("%s wait bInSuspend done\n", __func__); 1230 } 1231 1232 /* System suspend is not allowed to wakeup */ 1233 if (!(pwrpriv->bInternalAutoSuspend) && pwrpriv->bInSuspend) { 1234 ret = _FAIL; 1235 goto exit; 1236 } 1237 1238 /* block??? */ 1239 if (pwrpriv->bInternalAutoSuspend && padapter->net_closed) { 1240 ret = _FAIL; 1241 goto exit; 1242 } 1243 1244 /* I think this should be check in IPS, LPS, autosuspend functions... */ 1245 if (check_fwstate(pmlmepriv, _FW_LINKED)) { 1246 ret = _SUCCESS; 1247 goto exit; 1248 } 1249 1250 if (rf_off == pwrpriv->rf_pwrstate) { 1251 { 1252 DBG_8192C("%s call ips_leave....\n", __func__); 1253 if (_FAIL == ips_leave(padapter)) { 1254 DBG_8192C("======> ips_leave fail.............\n"); 1255 ret = _FAIL; 1256 goto exit; 1257 } 1258 } 1259 } 1260 1261 /* TODO: the following checking need to be merged... */ 1262 if (padapter->bDriverStopped || !padapter->bup || !padapter->hw_init_completed) { 1263 DBG_8192C("%s: bDriverStopped =%d, bup =%d, hw_init_completed =%u\n" 1264 , caller 1265 , padapter->bDriverStopped 1266 , padapter->bup 1267 , padapter->hw_init_completed); 1268 ret = false; 1269 goto exit; 1270 } 1271 1272 exit: 1273 deny_time = jiffies + msecs_to_jiffies(ips_deffer_ms); 1274 if (time_before(pwrpriv->ips_deny_time, deny_time)) 1275 pwrpriv->ips_deny_time = deny_time; 1276 return ret; 1277 1278 } 1279 1280 int rtw_pm_set_lps(struct adapter *padapter, u8 mode) 1281 { 1282 int ret = 0; 1283 struct pwrctrl_priv *pwrctrlpriv = adapter_to_pwrctl(padapter); 1284 1285 if (mode < PS_MODE_NUM) { 1286 if (pwrctrlpriv->power_mgnt != mode) { 1287 if (PS_MODE_ACTIVE == mode) 1288 LeaveAllPowerSaveMode(padapter); 1289 else 1290 pwrctrlpriv->LpsIdleCount = 2; 1291 1292 pwrctrlpriv->power_mgnt = mode; 1293 pwrctrlpriv->bLeisurePs = 1294 pwrctrlpriv->power_mgnt != PS_MODE_ACTIVE; 1295 } 1296 } else 1297 ret = -EINVAL; 1298 1299 return ret; 1300 } 1301 1302 int rtw_pm_set_ips(struct adapter *padapter, u8 mode) 1303 { 1304 struct pwrctrl_priv *pwrctrlpriv = adapter_to_pwrctl(padapter); 1305 1306 if (mode == IPS_NORMAL || mode == IPS_LEVEL_2) { 1307 rtw_ips_mode_req(pwrctrlpriv, mode); 1308 DBG_871X("%s %s\n", __func__, mode == IPS_NORMAL?"IPS_NORMAL":"IPS_LEVEL_2"); 1309 return 0; 1310 } else if (mode == IPS_NONE) { 1311 rtw_ips_mode_req(pwrctrlpriv, mode); 1312 DBG_871X("%s %s\n", __func__, "IPS_NONE"); 1313 if ((padapter->bSurpriseRemoved == 0) && (_FAIL == rtw_pwr_wakeup(padapter))) 1314 return -EFAULT; 1315 } else 1316 return -EINVAL; 1317 1318 return 0; 1319 } 1320 1321 /* 1322 * ATTENTION: 1323 *This function will request pwrctrl LOCK! 1324 */ 1325 void rtw_ps_deny(struct adapter *padapter, enum PS_DENY_REASON reason) 1326 { 1327 struct pwrctrl_priv *pwrpriv; 1328 1329 /* DBG_871X("+" FUNC_ADPT_FMT ": Request PS deny for %d (0x%08X)\n", */ 1330 /* FUNC_ADPT_ARG(padapter), reason, BIT(reason)); */ 1331 1332 pwrpriv = adapter_to_pwrctl(padapter); 1333 1334 mutex_lock(&pwrpriv->lock); 1335 if (pwrpriv->ps_deny & BIT(reason)) { 1336 DBG_871X(FUNC_ADPT_FMT ": [WARNING] Reason %d had been set before!!\n", 1337 FUNC_ADPT_ARG(padapter), reason); 1338 } 1339 pwrpriv->ps_deny |= BIT(reason); 1340 mutex_unlock(&pwrpriv->lock); 1341 1342 /* DBG_871X("-" FUNC_ADPT_FMT ": Now PS deny for 0x%08X\n", */ 1343 /* FUNC_ADPT_ARG(padapter), pwrpriv->ps_deny); */ 1344 } 1345 1346 /* 1347 * ATTENTION: 1348 *This function will request pwrctrl LOCK! 1349 */ 1350 void rtw_ps_deny_cancel(struct adapter *padapter, enum PS_DENY_REASON reason) 1351 { 1352 struct pwrctrl_priv *pwrpriv; 1353 1354 1355 /* DBG_871X("+" FUNC_ADPT_FMT ": Cancel PS deny for %d(0x%08X)\n", */ 1356 /* FUNC_ADPT_ARG(padapter), reason, BIT(reason)); */ 1357 1358 pwrpriv = adapter_to_pwrctl(padapter); 1359 1360 mutex_lock(&pwrpriv->lock); 1361 if ((pwrpriv->ps_deny & BIT(reason)) == 0) { 1362 DBG_871X(FUNC_ADPT_FMT ": [ERROR] Reason %d had been canceled before!!\n", 1363 FUNC_ADPT_ARG(padapter), reason); 1364 } 1365 pwrpriv->ps_deny &= ~BIT(reason); 1366 mutex_unlock(&pwrpriv->lock); 1367 1368 /* DBG_871X("-" FUNC_ADPT_FMT ": Now PS deny for 0x%08X\n", */ 1369 /* FUNC_ADPT_ARG(padapter), pwrpriv->ps_deny); */ 1370 } 1371 1372 /* 1373 * ATTENTION: 1374 *Before calling this function pwrctrl lock should be occupied already, 1375 *otherwise it may return incorrect value. 1376 */ 1377 u32 rtw_ps_deny_get(struct adapter *padapter) 1378 { 1379 return adapter_to_pwrctl(padapter)->ps_deny; 1380 } 1381