1 // SPDX-License-Identifier: GPL-2.0
2 /******************************************************************************
4 * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
6 ******************************************************************************/
10 #include <linux/jiffies.h>
13 void _ips_enter(struct adapter *padapter)
15 struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter);
17 pwrpriv->bips_processing = true;
19 /* syn ips_mode with request */
20 pwrpriv->ips_mode = pwrpriv->ips_mode_req;
22 pwrpriv->ips_enter_cnts++;
24 if (rf_off == pwrpriv->change_rfpwrstate) {
25 pwrpriv->bpower_saving = true;
27 if (pwrpriv->ips_mode == IPS_LEVEL_2)
28 pwrpriv->bkeepfwalive = true;
30 rtw_ips_pwr_down(padapter);
31 pwrpriv->rf_pwrstate = rf_off;
33 pwrpriv->bips_processing = false;
37 void ips_enter(struct adapter *padapter)
39 struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter);
42 hal_btcoex_IpsNotify(padapter, pwrpriv->ips_mode_req);
44 mutex_lock(&pwrpriv->lock);
46 mutex_unlock(&pwrpriv->lock);
49 int _ips_leave(struct adapter *padapter)
51 struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter);
52 int result = _SUCCESS;
54 if ((pwrpriv->rf_pwrstate == rf_off) && (!pwrpriv->bips_processing)) {
55 pwrpriv->bips_processing = true;
56 pwrpriv->change_rfpwrstate = rf_on;
57 pwrpriv->ips_leave_cnts++;
59 result = rtw_ips_pwr_up(padapter);
60 if (result == _SUCCESS) {
61 pwrpriv->rf_pwrstate = rf_on;
63 pwrpriv->bips_processing = false;
65 pwrpriv->bkeepfwalive = false;
66 pwrpriv->bpower_saving = false;
72 int ips_leave(struct adapter *padapter)
74 struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter);
77 if (!is_primary_adapter(padapter))
80 mutex_lock(&pwrpriv->lock);
81 ret = _ips_leave(padapter);
82 mutex_unlock(&pwrpriv->lock);
85 hal_btcoex_IpsNotify(padapter, IPS_NONE);
90 static bool rtw_pwr_unassociated_idle(struct adapter *adapter)
92 struct adapter *buddy = adapter->pbuddy_adapter;
93 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
94 struct xmit_priv *pxmit_priv = &adapter->xmitpriv;
98 if (adapter_to_pwrctl(adapter)->bpower_saving)
101 if (time_before(jiffies, adapter_to_pwrctl(adapter)->ips_deny_time))
104 if (check_fwstate(pmlmepriv, WIFI_ASOC_STATE|WIFI_SITE_MONITOR)
105 || check_fwstate(pmlmepriv, WIFI_UNDER_LINKING|WIFI_UNDER_WPS)
106 || check_fwstate(pmlmepriv, WIFI_AP_STATE)
107 || check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE|WIFI_ADHOC_STATE)
111 /* consider buddy, if exist */
113 struct mlme_priv *b_pmlmepriv = &(buddy->mlmepriv);
115 if (check_fwstate(b_pmlmepriv, WIFI_ASOC_STATE|WIFI_SITE_MONITOR)
116 || check_fwstate(b_pmlmepriv, WIFI_UNDER_LINKING|WIFI_UNDER_WPS)
117 || check_fwstate(b_pmlmepriv, WIFI_AP_STATE)
118 || check_fwstate(b_pmlmepriv, WIFI_ADHOC_MASTER_STATE|WIFI_ADHOC_STATE)
123 if (pxmit_priv->free_xmitbuf_cnt != NR_XMITBUFF ||
124 pxmit_priv->free_xmit_extbuf_cnt != NR_XMIT_EXTBUFF) {
125 netdev_dbg(adapter->pnetdev,
126 "There are some pkts to transmit\n");
127 netdev_dbg(adapter->pnetdev,
128 "free_xmitbuf_cnt: %d, free_xmit_extbuf_cnt: %d\n",
129 pxmit_priv->free_xmitbuf_cnt,
130 pxmit_priv->free_xmit_extbuf_cnt);
143 *rtw_ps_processor() doesn't handle LPS.
145 void rtw_ps_processor(struct adapter *padapter)
147 struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter);
148 struct dvobj_priv *psdpriv = padapter->dvobj;
149 struct debug_priv *pdbgpriv = &psdpriv->drv_dbg;
152 mutex_lock(&adapter_to_pwrctl(padapter)->lock);
153 ps_deny = rtw_ps_deny_get(padapter);
154 mutex_unlock(&adapter_to_pwrctl(padapter)->lock);
158 if (pwrpriv->bInSuspend) {/* system suspend or autosuspend */
159 pdbgpriv->dbg_ps_insuspend_cnt++;
163 pwrpriv->ps_processing = true;
165 if (pwrpriv->ips_mode_req == IPS_NONE)
168 if (!rtw_pwr_unassociated_idle(padapter))
171 if ((pwrpriv->rf_pwrstate == rf_on) && ((pwrpriv->pwr_state_check_cnts%4) == 0)) {
172 pwrpriv->change_rfpwrstate = rf_off;
178 pwrpriv->ps_processing = false;
181 static void pwr_state_check_handler(struct timer_list *t)
183 struct pwrctrl_priv *pwrctrlpriv =
184 from_timer(pwrctrlpriv, t, pwr_state_check_timer);
185 struct adapter *padapter = pwrctrlpriv->adapter;
187 rtw_ps_cmd(padapter);
190 void traffic_check_for_leave_lps(struct adapter *padapter, u8 tx, u32 tx_packets)
192 static unsigned long start_time;
194 u8 bLeaveLPS = false;
195 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
199 if (tx) { /* from tx */
200 xmit_cnt += tx_packets;
203 start_time = jiffies;
205 if (jiffies_to_msecs(jiffies - start_time) > 2000) { /* 2 sec == watch dog timer */
207 if (adapter_to_pwrctl(padapter)->bLeisurePs
208 && (adapter_to_pwrctl(padapter)->pwr_mode != PS_MODE_ACTIVE)
209 && !(hal_btcoex_IsBtControlLps(padapter))) {
214 start_time = jiffies;
218 } else { /* from rx path */
219 if (pmlmepriv->LinkDetectInfo.NumRxUnicastOkInPeriod > 4/*2*/) {
220 if (adapter_to_pwrctl(padapter)->bLeisurePs
221 && (adapter_to_pwrctl(padapter)->pwr_mode != PS_MODE_ACTIVE)
222 && !(hal_btcoex_IsBtControlLps(padapter)))
228 /* rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_LEAVE, 1); */
229 rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_LEAVE, tx?0:1);
234 *This function MUST be called under power lock protect
238 *pslv power state level, only could be PS_STATE_S0 ~ PS_STATE_S4
241 void rtw_set_rpwm(struct adapter *padapter, u8 pslv)
244 struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter);
247 pslv = PS_STATE(pslv);
249 if (!pwrpriv->brpwmtimeout) {
250 if (pwrpriv->rpwm == pslv ||
251 (pwrpriv->rpwm >= PS_STATE_S2 && pslv >= PS_STATE_S2))
256 if ((padapter->bSurpriseRemoved) || !(padapter->hw_init_completed)) {
257 pwrpriv->cpwm = PS_STATE_S4;
262 if (padapter->bDriverStopped) {
263 if (pslv < PS_STATE_S2)
267 rpwm = pslv | pwrpriv->tog;
268 /* only when from PS_STATE S0/S1 to S2 and higher needs ACK */
269 if ((pwrpriv->cpwm < PS_STATE_S2) && (pslv >= PS_STATE_S2))
272 pwrpriv->rpwm = pslv;
276 rtw_hal_get_hwreg(padapter, HW_VAR_CPWM, &cpwm_orig);
279 _set_timer(&pwrpriv->pwr_rpwm_timer, LPS_RPWM_WAIT_MS);
280 rtw_hal_set_hwreg(padapter, HW_VAR_SET_RPWM, (u8 *)(&rpwm));
282 pwrpriv->tog += 0x80;
284 /* No LPS 32K, No Ack */
286 unsigned long start_time;
290 start_time = jiffies;
296 rtw_hal_get_hwreg(padapter, HW_VAR_CPWM, &cpwm_now);
297 if ((cpwm_orig ^ cpwm_now) & 0x80) {
298 pwrpriv->cpwm = PS_STATE_S4;
299 pwrpriv->cpwm_tog = cpwm_now & PS_TOGGLE;
303 if (jiffies_to_msecs(jiffies - start_time) > LPS_RPWM_WAIT_MS) {
304 _set_timer(&pwrpriv->pwr_rpwm_timer, 1);
309 pwrpriv->cpwm = pslv;
312 static u8 PS_RDY_CHECK(struct adapter *padapter)
314 unsigned long curr_time, delta_time;
315 struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter);
316 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
318 if (pwrpriv->bInSuspend)
323 delta_time = curr_time - pwrpriv->DelayLPSLastTimeStamp;
325 if (delta_time < LPS_DELAY_TIME)
328 if (check_fwstate(pmlmepriv, WIFI_SITE_MONITOR)
329 || check_fwstate(pmlmepriv, WIFI_UNDER_LINKING|WIFI_UNDER_WPS)
330 || check_fwstate(pmlmepriv, WIFI_AP_STATE)
331 || check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE|WIFI_ADHOC_STATE)
332 || rtw_is_scan_deny(padapter)
336 if (padapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X &&
337 !padapter->securitypriv.binstallGrpkey)
340 if (!rtw_cfg80211_pwr_mgmt(padapter))
346 void rtw_set_ps_mode(struct adapter *padapter, u8 ps_mode, u8 smart_ps, u8 bcn_ant_mode, const char *msg)
348 struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter);
350 if (ps_mode > PM_Card_Disable)
353 if (pwrpriv->pwr_mode == ps_mode)
354 if (ps_mode == PS_MODE_ACTIVE)
358 mutex_lock(&pwrpriv->lock);
360 /* if (pwrpriv->pwr_mode == PS_MODE_ACTIVE) */
361 if (ps_mode == PS_MODE_ACTIVE) {
362 if (!(hal_btcoex_IsBtControlLps(padapter))
363 || (hal_btcoex_IsBtControlLps(padapter)
364 && !(hal_btcoex_IsLpsOn(padapter)))) {
365 pwrpriv->pwr_mode = ps_mode;
366 rtw_set_rpwm(padapter, PS_STATE_S4);
368 rtw_hal_set_hwreg(padapter, HW_VAR_H2C_FW_PWRMODE, (u8 *)(&ps_mode));
369 pwrpriv->fw_current_in_ps_mode = false;
371 hal_btcoex_LpsNotify(padapter, ps_mode);
374 if ((PS_RDY_CHECK(padapter) && check_fwstate(&padapter->mlmepriv, WIFI_ASOC_STATE)) ||
375 ((hal_btcoex_IsBtControlLps(padapter)) && (hal_btcoex_IsLpsOn(padapter)))
379 hal_btcoex_LpsNotify(padapter, ps_mode);
381 pwrpriv->fw_current_in_ps_mode = true;
382 pwrpriv->pwr_mode = ps_mode;
383 pwrpriv->smart_ps = smart_ps;
384 pwrpriv->bcn_ant_mode = bcn_ant_mode;
385 rtw_hal_set_hwreg(padapter, HW_VAR_H2C_FW_PWRMODE, (u8 *)(&ps_mode));
388 if (pwrpriv->alives == 0)
391 if (!(hal_btcoex_IsBtDisabled(padapter)) &&
392 (hal_btcoex_IsBtControlLps(padapter))) {
395 val8 = hal_btcoex_LpsVal(padapter);
400 rtw_set_rpwm(padapter, pslv);
404 mutex_unlock(&pwrpriv->lock);
413 s32 LPS_RF_ON_check(struct adapter *padapter, u32 delay_ms)
415 unsigned long start_time;
420 start_time = jiffies;
422 rtw_hal_get_hwreg(padapter, HW_VAR_FWLPS_RF_ON, &bAwake);
426 if (padapter->bSurpriseRemoved) {
431 if (jiffies_to_msecs(jiffies - start_time) > delay_ms) {
443 /* Enter the leisure power save mode. */
445 void LPS_Enter(struct adapter *padapter, const char *msg)
447 struct dvobj_priv *dvobj = adapter_to_dvobj(padapter);
448 struct pwrctrl_priv *pwrpriv = dvobj_to_pwrctl(dvobj);
449 int n_assoc_iface = 0;
452 if (hal_btcoex_IsBtControlLps(padapter))
455 /* Skip lps enter request if number of assocated adapters is not 1 */
456 if (check_fwstate(&(dvobj->padapters->mlmepriv), WIFI_ASOC_STATE))
458 if (n_assoc_iface != 1)
461 /* Skip lps enter request for adapter not port0 */
462 if (get_iface_type(padapter) != IFACE_PORT0)
465 if (!PS_RDY_CHECK(dvobj->padapters))
468 if (pwrpriv->bLeisurePs) {
469 /* Idle for a while if we connect to AP a while ago. */
470 if (pwrpriv->LpsIdleCount >= 2) { /* 4 Sec */
471 if (pwrpriv->pwr_mode == PS_MODE_ACTIVE) {
472 scnprintf(buf, sizeof(buf), "WIFI-%s", msg);
473 pwrpriv->bpower_saving = true;
474 rtw_set_ps_mode(padapter, pwrpriv->power_mgnt, padapter->registrypriv.smart_ps, 0, buf);
477 pwrpriv->LpsIdleCount++;
483 /* Leave the leisure power save mode. */
485 void LPS_Leave(struct adapter *padapter, const char *msg)
487 #define LPS_LEAVE_TIMEOUT_MS 100
489 struct dvobj_priv *dvobj = adapter_to_dvobj(padapter);
490 struct pwrctrl_priv *pwrpriv = dvobj_to_pwrctl(dvobj);
493 if (hal_btcoex_IsBtControlLps(padapter))
496 if (pwrpriv->bLeisurePs) {
497 if (pwrpriv->pwr_mode != PS_MODE_ACTIVE) {
498 scnprintf(buf, sizeof(buf), "WIFI-%s", msg);
499 rtw_set_ps_mode(padapter, PS_MODE_ACTIVE, 0, 0, buf);
501 if (pwrpriv->pwr_mode == PS_MODE_ACTIVE)
502 LPS_RF_ON_check(padapter, LPS_LEAVE_TIMEOUT_MS);
506 pwrpriv->bpower_saving = false;
509 void LeaveAllPowerSaveModeDirect(struct adapter *Adapter)
511 struct adapter *pri_padapter = GET_PRIMARY_ADAPTER(Adapter);
512 struct mlme_priv *pmlmepriv = &(Adapter->mlmepriv);
513 struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(Adapter);
515 if (Adapter->bSurpriseRemoved)
518 if (check_fwstate(pmlmepriv, _FW_LINKED)) { /* connect */
520 if (pwrpriv->pwr_mode == PS_MODE_ACTIVE)
523 mutex_lock(&pwrpriv->lock);
525 rtw_set_rpwm(Adapter, PS_STATE_S4);
527 mutex_unlock(&pwrpriv->lock);
529 rtw_lps_ctrl_wk_cmd(pri_padapter, LPS_CTRL_LEAVE, 0);
531 if (pwrpriv->rf_pwrstate == rf_off)
532 ips_leave(pri_padapter);
537 /* Description: Leave all power save mode: LPS, FwLPS, IPS if needed. */
538 /* Move code to function by tynli. 2010.03.26. */
540 void LeaveAllPowerSaveMode(struct adapter *Adapter)
542 struct dvobj_priv *dvobj = adapter_to_dvobj(Adapter);
544 int n_assoc_iface = 0;
549 if (Adapter->bSurpriseRemoved)
552 if (check_fwstate(&(dvobj->padapters->mlmepriv), WIFI_ASOC_STATE))
555 if (n_assoc_iface) { /* connect */
558 rtw_lps_ctrl_wk_cmd(Adapter, LPS_CTRL_LEAVE, enqueue);
560 LPS_Leave_check(Adapter);
562 if (adapter_to_pwrctl(Adapter)->rf_pwrstate == rf_off) {
568 void LPS_Leave_check(struct adapter *padapter)
570 struct pwrctrl_priv *pwrpriv;
571 unsigned long start_time;
574 pwrpriv = adapter_to_pwrctl(padapter);
577 start_time = jiffies;
582 mutex_lock(&pwrpriv->lock);
584 if (padapter->bSurpriseRemoved ||
585 !(padapter->hw_init_completed) ||
586 (pwrpriv->pwr_mode == PS_MODE_ACTIVE))
589 mutex_unlock(&pwrpriv->lock);
594 if (jiffies_to_msecs(jiffies - start_time) > 100)
602 * Caller:ISR handler...
604 * This will be called when CPWM interrupt is up.
606 * using to update cpwn of drv; and drv willl make a decision to up or down pwr level
608 void cpwm_int_hdl(struct adapter *padapter, struct reportpwrstate_parm *preportpwrstate)
610 struct pwrctrl_priv *pwrpriv;
612 pwrpriv = adapter_to_pwrctl(padapter);
614 mutex_lock(&pwrpriv->lock);
616 if (pwrpriv->rpwm < PS_STATE_S2)
619 pwrpriv->cpwm = PS_STATE(preportpwrstate->state);
620 pwrpriv->cpwm_tog = preportpwrstate->state & PS_TOGGLE;
622 if (pwrpriv->cpwm >= PS_STATE_S2) {
623 if (pwrpriv->alives & CMD_ALIVE)
624 complete(&padapter->cmdpriv.cmd_queue_comp);
626 if (pwrpriv->alives & XMIT_ALIVE)
627 complete(&padapter->xmitpriv.xmit_comp);
631 mutex_unlock(&pwrpriv->lock);
635 static void cpwm_event_callback(struct work_struct *work)
637 struct pwrctrl_priv *pwrpriv = container_of(work, struct pwrctrl_priv, cpwm_event);
638 struct dvobj_priv *dvobj = pwrctl_to_dvobj(pwrpriv);
639 struct adapter *adapter = dvobj->if1;
640 struct reportpwrstate_parm report;
642 report.state = PS_STATE_S2;
643 cpwm_int_hdl(adapter, &report);
646 static void rpwmtimeout_workitem_callback(struct work_struct *work)
648 struct adapter *padapter;
649 struct dvobj_priv *dvobj;
650 struct pwrctrl_priv *pwrpriv;
653 pwrpriv = container_of(work, struct pwrctrl_priv, rpwmtimeoutwi);
654 dvobj = pwrctl_to_dvobj(pwrpriv);
655 padapter = dvobj->if1;
657 mutex_lock(&pwrpriv->lock);
658 if ((pwrpriv->rpwm == pwrpriv->cpwm) || (pwrpriv->cpwm >= PS_STATE_S2))
661 mutex_unlock(&pwrpriv->lock);
663 if (rtw_read8(padapter, 0x100) != 0xEA) {
664 struct reportpwrstate_parm report;
666 report.state = PS_STATE_S2;
667 cpwm_int_hdl(padapter, &report);
672 mutex_lock(&pwrpriv->lock);
674 if ((pwrpriv->rpwm == pwrpriv->cpwm) || (pwrpriv->cpwm >= PS_STATE_S2))
677 pwrpriv->brpwmtimeout = true;
678 rtw_set_rpwm(padapter, pwrpriv->rpwm);
679 pwrpriv->brpwmtimeout = false;
682 mutex_unlock(&pwrpriv->lock);
686 * This function is a timer handler, can't do any IO in it.
688 static void pwr_rpwm_timeout_handler(struct timer_list *t)
690 struct pwrctrl_priv *pwrpriv = from_timer(pwrpriv, t, pwr_rpwm_timer);
692 if ((pwrpriv->rpwm == pwrpriv->cpwm) || (pwrpriv->cpwm >= PS_STATE_S2))
695 _set_workitem(&pwrpriv->rpwmtimeoutwi);
698 static inline void register_task_alive(struct pwrctrl_priv *pwrctrl, u32 tag)
700 pwrctrl->alives |= tag;
703 static inline void unregister_task_alive(struct pwrctrl_priv *pwrctrl, u32 tag)
705 pwrctrl->alives &= ~tag;
711 *Check if the fw_pwrstate is okay for I/O.
712 *If not (cpwm is less than S2), then the sub-routine
713 *will raise the cpwm to be greater than or equal to S2.
715 *Calling Context: Passive
718 * 1. this function will request pwrctrl->lock
721 *_SUCCESS hardware is ready for I/O
722 *_FAIL can't I/O right now
724 s32 rtw_register_task_alive(struct adapter *padapter, u32 task)
727 struct pwrctrl_priv *pwrctrl;
731 pwrctrl = adapter_to_pwrctl(padapter);
734 mutex_lock(&pwrctrl->lock);
736 register_task_alive(pwrctrl, task);
738 if (pwrctrl->fw_current_in_ps_mode) {
739 if (pwrctrl->cpwm < pslv) {
740 if (pwrctrl->cpwm < PS_STATE_S2)
742 if (pwrctrl->rpwm < pslv)
743 rtw_set_rpwm(padapter, pslv);
747 mutex_unlock(&pwrctrl->lock);
750 if (pwrctrl->cpwm >= PS_STATE_S2)
758 *If task is done, call this func. to power down firmware again.
761 * 1. this function will request pwrctrl->lock
766 void rtw_unregister_task_alive(struct adapter *padapter, u32 task)
768 struct pwrctrl_priv *pwrctrl;
771 pwrctrl = adapter_to_pwrctl(padapter);
774 if (!(hal_btcoex_IsBtDisabled(padapter)) && hal_btcoex_IsBtControlLps(padapter)) {
777 val8 = hal_btcoex_LpsVal(padapter);
782 mutex_lock(&pwrctrl->lock);
784 unregister_task_alive(pwrctrl, task);
786 if ((pwrctrl->pwr_mode != PS_MODE_ACTIVE) && pwrctrl->fw_current_in_ps_mode) {
787 if (pwrctrl->cpwm > pslv)
788 if ((pslv >= PS_STATE_S2) || (pwrctrl->alives == 0))
789 rtw_set_rpwm(padapter, pslv);
793 mutex_unlock(&pwrctrl->lock);
797 * Caller: rtw_xmit_thread
799 * Check if the fw_pwrstate is okay for xmit.
800 * If not (cpwm is less than S3), then the sub-routine
801 * will raise the cpwm to be greater than or equal to S3.
803 * Calling Context: Passive
806 * _SUCCESS rtw_xmit_thread can write fifo/txcmd afterwards.
807 * _FAIL rtw_xmit_thread can not do anything.
809 s32 rtw_register_tx_alive(struct adapter *padapter)
812 struct pwrctrl_priv *pwrctrl;
816 pwrctrl = adapter_to_pwrctl(padapter);
819 mutex_lock(&pwrctrl->lock);
821 register_task_alive(pwrctrl, XMIT_ALIVE);
823 if (pwrctrl->fw_current_in_ps_mode) {
824 if (pwrctrl->cpwm < pslv) {
825 if (pwrctrl->cpwm < PS_STATE_S2)
827 if (pwrctrl->rpwm < pslv)
828 rtw_set_rpwm(padapter, pslv);
832 mutex_unlock(&pwrctrl->lock);
835 if (pwrctrl->cpwm >= PS_STATE_S2)
842 * Caller: rtw_cmd_thread
844 * Check if the fw_pwrstate is okay for issuing cmd.
845 * If not (cpwm should be is less than S2), then the sub-routine
846 * will raise the cpwm to be greater than or equal to S2.
848 * Calling Context: Passive
851 *_SUCCESS rtw_cmd_thread can issue cmds to firmware afterwards.
852 *_FAIL rtw_cmd_thread can not do anything.
854 s32 rtw_register_cmd_alive(struct adapter *padapter)
857 struct pwrctrl_priv *pwrctrl;
861 pwrctrl = adapter_to_pwrctl(padapter);
864 mutex_lock(&pwrctrl->lock);
866 register_task_alive(pwrctrl, CMD_ALIVE);
868 if (pwrctrl->fw_current_in_ps_mode) {
869 if (pwrctrl->cpwm < pslv) {
870 if (pwrctrl->cpwm < PS_STATE_S2)
872 if (pwrctrl->rpwm < pslv)
873 rtw_set_rpwm(padapter, pslv);
877 mutex_unlock(&pwrctrl->lock);
880 if (pwrctrl->cpwm >= PS_STATE_S2)
890 * No more pkts for TX,
891 * Then driver shall call this fun. to power down firmware again.
893 void rtw_unregister_tx_alive(struct adapter *padapter)
895 struct pwrctrl_priv *pwrctrl;
898 pwrctrl = adapter_to_pwrctl(padapter);
901 if (!(hal_btcoex_IsBtDisabled(padapter)) && hal_btcoex_IsBtControlLps(padapter)) {
904 val8 = hal_btcoex_LpsVal(padapter);
909 mutex_lock(&pwrctrl->lock);
911 unregister_task_alive(pwrctrl, XMIT_ALIVE);
913 if ((pwrctrl->pwr_mode != PS_MODE_ACTIVE) && pwrctrl->fw_current_in_ps_mode) {
914 if (pwrctrl->cpwm > pslv)
915 if ((pslv >= PS_STATE_S2) || (pwrctrl->alives == 0))
916 rtw_set_rpwm(padapter, pslv);
919 mutex_unlock(&pwrctrl->lock);
925 * If all commands have been done,
926 * and no more command to do,
927 * then driver shall call this fun. to power down firmware again.
929 void rtw_unregister_cmd_alive(struct adapter *padapter)
931 struct pwrctrl_priv *pwrctrl;
934 pwrctrl = adapter_to_pwrctl(padapter);
937 if (!(hal_btcoex_IsBtDisabled(padapter)) && hal_btcoex_IsBtControlLps(padapter)) {
940 val8 = hal_btcoex_LpsVal(padapter);
945 mutex_lock(&pwrctrl->lock);
947 unregister_task_alive(pwrctrl, CMD_ALIVE);
949 if ((pwrctrl->pwr_mode != PS_MODE_ACTIVE) && pwrctrl->fw_current_in_ps_mode) {
950 if (pwrctrl->cpwm > pslv) {
951 if ((pslv >= PS_STATE_S2) || (pwrctrl->alives == 0))
952 rtw_set_rpwm(padapter, pslv);
956 mutex_unlock(&pwrctrl->lock);
959 void rtw_init_pwrctrl_priv(struct adapter *padapter)
961 struct pwrctrl_priv *pwrctrlpriv = adapter_to_pwrctl(padapter);
963 mutex_init(&pwrctrlpriv->lock);
964 pwrctrlpriv->rf_pwrstate = rf_on;
965 pwrctrlpriv->ips_enter_cnts = 0;
966 pwrctrlpriv->ips_leave_cnts = 0;
967 pwrctrlpriv->bips_processing = false;
969 pwrctrlpriv->ips_mode = padapter->registrypriv.ips_mode;
970 pwrctrlpriv->ips_mode_req = padapter->registrypriv.ips_mode;
972 pwrctrlpriv->pwr_state_check_interval = RTW_PWR_STATE_CHK_INTERVAL;
973 pwrctrlpriv->pwr_state_check_cnts = 0;
974 pwrctrlpriv->bInternalAutoSuspend = false;
975 pwrctrlpriv->bInSuspend = false;
976 pwrctrlpriv->bkeepfwalive = false;
978 pwrctrlpriv->LpsIdleCount = 0;
979 pwrctrlpriv->power_mgnt = padapter->registrypriv.power_mgnt;/* PS_MODE_MIN; */
980 pwrctrlpriv->bLeisurePs = pwrctrlpriv->power_mgnt != PS_MODE_ACTIVE;
982 pwrctrlpriv->fw_current_in_ps_mode = false;
984 pwrctrlpriv->rpwm = 0;
985 pwrctrlpriv->cpwm = PS_STATE_S4;
987 pwrctrlpriv->pwr_mode = PS_MODE_ACTIVE;
988 pwrctrlpriv->smart_ps = padapter->registrypriv.smart_ps;
989 pwrctrlpriv->bcn_ant_mode = 0;
990 pwrctrlpriv->dtim = 0;
992 pwrctrlpriv->tog = 0x80;
994 rtw_hal_set_hwreg(padapter, HW_VAR_SET_RPWM, (u8 *)(&pwrctrlpriv->rpwm));
996 _init_workitem(&pwrctrlpriv->cpwm_event, cpwm_event_callback, NULL);
998 pwrctrlpriv->brpwmtimeout = false;
999 pwrctrlpriv->adapter = padapter;
1000 _init_workitem(&pwrctrlpriv->rpwmtimeoutwi, rpwmtimeout_workitem_callback, NULL);
1001 timer_setup(&pwrctrlpriv->pwr_rpwm_timer, pwr_rpwm_timeout_handler, 0);
1002 timer_setup(&pwrctrlpriv->pwr_state_check_timer,
1003 pwr_state_check_handler, 0);
1005 pwrctrlpriv->wowlan_mode = false;
1006 pwrctrlpriv->wowlan_ap_mode = false;
1010 void rtw_free_pwrctrl_priv(struct adapter *adapter)
1014 inline void rtw_set_ips_deny(struct adapter *padapter, u32 ms)
1016 struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter);
1017 pwrpriv->ips_deny_time = jiffies + msecs_to_jiffies(ms);
1021 * rtw_pwr_wakeup - Wake the NIC up from: 1)IPS. 2)USB autosuspend
1022 * @adapter: pointer to struct adapter structure
1023 * @ips_deffer_ms: the ms will prevent from falling into IPS after wakeup
1024 * Return _SUCCESS or _FAIL
1027 int _rtw_pwr_wakeup(struct adapter *padapter, u32 ips_deffer_ms, const char *caller)
1029 struct dvobj_priv *dvobj = adapter_to_dvobj(padapter);
1030 struct pwrctrl_priv *pwrpriv = dvobj_to_pwrctl(dvobj);
1031 struct mlme_priv *pmlmepriv;
1033 unsigned long start = jiffies;
1034 unsigned long deny_time = jiffies + msecs_to_jiffies(ips_deffer_ms);
1037 LeaveAllPowerSaveMode(padapter);
1039 /* IPS still bound with primary adapter */
1040 padapter = GET_PRIMARY_ADAPTER(padapter);
1041 pmlmepriv = &padapter->mlmepriv;
1043 if (time_before(pwrpriv->ips_deny_time, deny_time))
1044 pwrpriv->ips_deny_time = deny_time;
1047 if (pwrpriv->ps_processing)
1048 while (pwrpriv->ps_processing && jiffies_to_msecs(jiffies - start) <= 3000)
1051 if (!(pwrpriv->bInternalAutoSuspend) && pwrpriv->bInSuspend)
1052 while (pwrpriv->bInSuspend && jiffies_to_msecs(jiffies - start) <= 3000
1056 /* System suspend is not allowed to wakeup */
1057 if (!(pwrpriv->bInternalAutoSuspend) && pwrpriv->bInSuspend) {
1063 if (pwrpriv->bInternalAutoSuspend && padapter->net_closed) {
1068 /* I think this should be check in IPS, LPS, autosuspend functions... */
1069 if (check_fwstate(pmlmepriv, _FW_LINKED)) {
1074 if (rf_off == pwrpriv->rf_pwrstate) {
1076 if (ips_leave(padapter) == _FAIL) {
1083 /* TODO: the following checking need to be merged... */
1084 if (padapter->bDriverStopped || !padapter->bup || !padapter->hw_init_completed) {
1090 deny_time = jiffies + msecs_to_jiffies(ips_deffer_ms);
1091 if (time_before(pwrpriv->ips_deny_time, deny_time))
1092 pwrpriv->ips_deny_time = deny_time;
1097 int rtw_pm_set_lps(struct adapter *padapter, u8 mode)
1100 struct pwrctrl_priv *pwrctrlpriv = adapter_to_pwrctl(padapter);
1102 if (mode < PS_MODE_NUM) {
1103 if (pwrctrlpriv->power_mgnt != mode) {
1104 if (mode == PS_MODE_ACTIVE)
1105 LeaveAllPowerSaveMode(padapter);
1107 pwrctrlpriv->LpsIdleCount = 2;
1109 pwrctrlpriv->power_mgnt = mode;
1110 pwrctrlpriv->bLeisurePs =
1111 pwrctrlpriv->power_mgnt != PS_MODE_ACTIVE;
1119 int rtw_pm_set_ips(struct adapter *padapter, u8 mode)
1121 struct pwrctrl_priv *pwrctrlpriv = adapter_to_pwrctl(padapter);
1123 if (mode == IPS_NORMAL || mode == IPS_LEVEL_2) {
1124 rtw_ips_mode_req(pwrctrlpriv, mode);
1126 } else if (mode == IPS_NONE) {
1127 rtw_ips_mode_req(pwrctrlpriv, mode);
1128 if ((padapter->bSurpriseRemoved == 0) && (rtw_pwr_wakeup(padapter) == _FAIL))
1138 *This function will request pwrctrl LOCK!
1140 void rtw_ps_deny(struct adapter *padapter, enum ps_deny_reason reason)
1142 struct pwrctrl_priv *pwrpriv;
1144 pwrpriv = adapter_to_pwrctl(padapter);
1146 mutex_lock(&pwrpriv->lock);
1147 pwrpriv->ps_deny |= BIT(reason);
1148 mutex_unlock(&pwrpriv->lock);
1153 *This function will request pwrctrl LOCK!
1155 void rtw_ps_deny_cancel(struct adapter *padapter, enum ps_deny_reason reason)
1157 struct pwrctrl_priv *pwrpriv;
1159 pwrpriv = adapter_to_pwrctl(padapter);
1161 mutex_lock(&pwrpriv->lock);
1162 pwrpriv->ps_deny &= ~BIT(reason);
1163 mutex_unlock(&pwrpriv->lock);
1168 *Before calling this function pwrctrl lock should be occupied already,
1169 *otherwise it may return incorrect value.
1171 u32 rtw_ps_deny_get(struct adapter *padapter)
1173 return adapter_to_pwrctl(padapter)->ps_deny;