1 /******************************************************************************
3 * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
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.
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
14 ******************************************************************************/
15 #define _RTW_PWRCTRL_C_
17 #include <osdep_service.h>
18 #include <drv_types.h>
19 #include <osdep_intf.h>
20 #include <rtl8723a_cmd.h>
21 #include <rtw_sreset.h>
23 #include <rtl8723a_bt_intf.h>
24 #include <usb_ops_linux.h>
26 void ips_enter23a(struct rtw_adapter *padapter)
28 struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
32 pwrpriv->bips_processing = true;
34 /* syn ips_mode with request */
35 pwrpriv->ips_mode = pwrpriv->ips_mode_req;
37 pwrpriv->ips_enter23a_cnts++;
38 DBG_8723A("==>ips_enter23a cnts:%d\n", pwrpriv->ips_enter23a_cnts);
39 rtl8723a_BT_disable_coexist(padapter);
41 if (pwrpriv->change_rfpwrstate == rf_off) {
42 pwrpriv->bpower_saving = true;
43 DBG_8723A_LEVEL(_drv_always_, "nolinked power save enter\n");
45 if (pwrpriv->ips_mode == IPS_LEVEL_2)
46 pwrpriv->bkeepfwalive = true;
48 rtw_ips_pwr_down23a(padapter);
49 pwrpriv->rf_pwrstate = rf_off;
51 pwrpriv->bips_processing = false;
56 int ips_leave23a(struct rtw_adapter *padapter)
58 struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
59 struct security_priv *psecuritypriv = &padapter->securitypriv;
60 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
61 int result = _SUCCESS;
66 if (pwrpriv->rf_pwrstate == rf_off && !pwrpriv->bips_processing) {
67 pwrpriv->bips_processing = true;
68 pwrpriv->change_rfpwrstate = rf_on;
69 pwrpriv->ips_leave23a_cnts++;
70 DBG_8723A("==>ips_leave23a cnts:%d\n",
71 pwrpriv->ips_leave23a_cnts);
73 result = rtw_ips_pwr_up23a(padapter);
74 if (result == _SUCCESS)
75 pwrpriv->rf_pwrstate = rf_on;
77 DBG_8723A_LEVEL(_drv_always_, "nolinked power save leave\n");
79 if (psecuritypriv->dot11PrivacyAlgrthm ==
80 WLAN_CIPHER_SUITE_WEP40 ||
81 psecuritypriv->dot11PrivacyAlgrthm ==
82 WLAN_CIPHER_SUITE_WEP104) {
83 DBG_8723A("==>%s, channel(%d), processing(%x)\n",
84 __func__, padapter->mlmeextpriv.cur_channel,
85 pwrpriv->bips_processing);
86 set_channel_bwmode23a(padapter,
87 padapter->mlmeextpriv.cur_channel,
88 HAL_PRIME_CHNL_OFFSET_DONT_CARE,
90 for (keyid = 0; keyid < 4; keyid++) {
91 if (pmlmepriv->key_mask & BIT(keyid)) {
93 psecuritypriv->dot11PrivacyKeyIndex)
94 result = rtw_set_key23a(padapter, psecuritypriv, keyid, 1);
96 result = rtw_set_key23a(padapter, psecuritypriv, keyid, 0);
101 DBG_8723A("==> ips_leave23a.....LED(0x%08x)...\n",
102 rtl8723au_read32(padapter, 0x4c));
103 pwrpriv->bips_processing = false;
105 pwrpriv->bkeepfwalive = false;
106 pwrpriv->bpower_saving = false;
115 static bool rtw_pwr_unassociated_idle(struct rtw_adapter *adapter)
117 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
118 struct xmit_priv *pxmit_priv = &adapter->xmitpriv;
122 if (time_after_eq(adapter->pwrctrlpriv.ips_deny_time, jiffies))
125 if (check_fwstate(pmlmepriv, WIFI_ASOC_STATE|WIFI_SITE_MONITOR) ||
126 check_fwstate(pmlmepriv, WIFI_UNDER_LINKING|WIFI_UNDER_WPS) ||
127 check_fwstate(pmlmepriv, WIFI_AP_STATE) ||
128 check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE|WIFI_ADHOC_STATE)){
132 if (pxmit_priv->free_xmitbuf_cnt != NR_XMITBUFF ||
133 pxmit_priv->free_xmit_extbuf_cnt != NR_XMIT_EXTBUFF) {
134 DBG_8723A_LEVEL(_drv_always_,
135 "There are some pkts to transmit\n");
136 DBG_8723A_LEVEL(_drv_info_, "free_xmitbuf_cnt: %d, "
137 "free_xmit_extbuf_cnt: %d\n",
138 pxmit_priv->free_xmitbuf_cnt,
139 pxmit_priv->free_xmit_extbuf_cnt);
149 void rtw_ps_processor23a(struct rtw_adapter *padapter)
151 struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
152 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
154 pwrpriv->ps_processing = true;
156 if (pwrpriv->bips_processing == true)
159 if (pwrpriv->ips_mode_req == IPS_NONE)
162 if (!rtw_pwr_unassociated_idle(padapter))
165 if (pwrpriv->rf_pwrstate == rf_on &&
166 (pwrpriv->pwr_state_check_cnts % 4) == 0) {
167 DBG_8723A("==>%s .fw_state(%x)\n", __func__,
168 get_fwstate(pmlmepriv));
169 pwrpriv->change_rfpwrstate = rf_off;
170 ips_enter23a(padapter);
173 rtw_set_pwr_state_check_timer(&padapter->pwrctrlpriv);
174 pwrpriv->ps_processing = false;
177 static void pwr_state_check_handler(unsigned long data)
179 struct rtw_adapter *padapter = (struct rtw_adapter *)data;
181 rtw_ps_cmd23a(padapter);
188 * pslv power state level, only could be PS_STATE_S0 ~ PS_STATE_S4
191 void rtw_set_rpwm23a(struct rtw_adapter *padapter, u8 pslv)
194 struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
196 pslv = PS_STATE(pslv);
198 if (pwrpriv->btcoex_rfon) {
199 if (pslv < PS_STATE_S4)
203 if (pwrpriv->rpwm == pslv) {
204 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_err_,
205 "%s: Already set rpwm[0x%02X], new = 0x%02X!\n",
206 __func__, pwrpriv->rpwm, pslv);
210 if (padapter->bSurpriseRemoved == true ||
211 padapter->hw_init_completed == false) {
212 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_err_,
213 "%s: SurpriseRemoved(%d) hw_init_completed(%d)\n",
214 __func__, padapter->bSurpriseRemoved,
215 padapter->hw_init_completed);
217 pwrpriv->cpwm = PS_STATE_S4;
222 if (padapter->bDriverStopped == true) {
223 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_err_,
224 "%s: change power state(0x%02X) when DriverStopped\n",
227 if (pslv < PS_STATE_S2) {
228 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_err_,
229 "%s: Reject to enter PS_STATE(0x%02X) lower than S2 when DriverStopped!!\n",
235 rpwm = pslv | pwrpriv->tog;
236 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_,
237 "rtw_set_rpwm23a: rpwm = 0x%02x cpwm = 0x%02x\n",
238 rpwm, pwrpriv->cpwm);
240 pwrpriv->rpwm = pslv;
242 rtl8723a_set_rpwm(padapter, rpwm);
244 pwrpriv->tog += 0x80;
245 pwrpriv->cpwm = pslv;
248 static bool PS_RDY_CHECK(struct rtw_adapter *padapter)
250 unsigned long delta_time;
251 struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
252 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
254 delta_time = jiffies - pwrpriv->DelayLPSLastTimeStamp;
256 if (delta_time < LPS_DELAY_TIME)
259 if (!check_fwstate(pmlmepriv, _FW_LINKED) ||
260 check_fwstate(pmlmepriv, _FW_UNDER_SURVEY) ||
261 check_fwstate(pmlmepriv, WIFI_AP_STATE) ||
262 check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) ||
263 check_fwstate(pmlmepriv, WIFI_ADHOC_STATE))
265 if (pwrpriv->bInSuspend)
267 if (padapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X &&
268 !padapter->securitypriv.binstallGrpkey) {
269 DBG_8723A("Group handshake still in progress !!!\n");
272 if (!rtw_cfg80211_pwr_mgmt(padapter))
278 void rtw_set_ps_mode23a(struct rtw_adapter *padapter, u8 ps_mode,
279 u8 smart_ps, u8 bcn_ant_mode)
281 struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
283 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_,
284 "%s: PowerMode =%d Smart_PS =%d\n",
285 __func__, ps_mode, smart_ps);
287 if (ps_mode > PM_Card_Disable) {
288 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_err_,
289 "ps_mode:%d error\n", ps_mode);
293 if (pwrpriv->pwr_mode == ps_mode) {
294 if (PS_MODE_ACTIVE == ps_mode)
297 if (pwrpriv->smart_ps == smart_ps &&
298 pwrpriv->bcn_ant_mode == bcn_ant_mode)
302 if (ps_mode == PS_MODE_ACTIVE) {
303 DBG_8723A("rtw_set_ps_mode23a: Leave 802.11 power save\n");
305 pwrpriv->pwr_mode = ps_mode;
306 rtw_set_rpwm23a(padapter, PS_STATE_S4);
307 rtl8723a_set_FwPwrMode_cmd(padapter, ps_mode);
308 pwrpriv->bFwCurrentInPSMode = false;
310 if (PS_RDY_CHECK(padapter) ||
311 rtl8723a_BT_using_antenna_1(padapter)) {
312 DBG_8723A("%s: Enter 802.11 power save\n", __func__);
314 pwrpriv->bFwCurrentInPSMode = true;
315 pwrpriv->pwr_mode = ps_mode;
316 pwrpriv->smart_ps = smart_ps;
317 pwrpriv->bcn_ant_mode = bcn_ant_mode;
318 rtl8723a_set_FwPwrMode_cmd(padapter, ps_mode);
320 rtw_set_rpwm23a(padapter, PS_STATE_S2);
331 s32 LPS_RF_ON_check23a(struct rtw_adapter *padapter, u32 delay_ms)
333 unsigned long start_time, end_time;
337 start_time = jiffies;
338 end_time = start_time + msecs_to_jiffies(delay_ms);
341 bAwake = rtl8723a_get_fwlps_rf_on(padapter);
345 if (padapter->bSurpriseRemoved == true) {
347 DBG_8723A("%s: device surprise removed!!\n", __func__);
351 if (time_after(jiffies, end_time)) {
353 DBG_8723A("%s: Wait for FW LPS leave more than %u "
354 "ms!\n", __func__, delay_ms);
364 /* Enter the leisure power save mode. */
365 void LPS_Enter23a(struct rtw_adapter *padapter)
367 struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
369 if (!PS_RDY_CHECK(padapter))
372 if (pwrpriv->bLeisurePs) {
373 /* Idle for a while if we connect to AP a while ago. */
374 if (pwrpriv->LpsIdleCount >= 2) { /* 4 Sec */
375 if (pwrpriv->pwr_mode == PS_MODE_ACTIVE) {
376 pwrpriv->bpower_saving = true;
377 DBG_8723A("%s smart_ps:%d\n", __func__,
379 /* For Tenda W311R IOT issue */
380 rtw_set_ps_mode23a(padapter,
382 pwrpriv->smart_ps, 0);
385 pwrpriv->LpsIdleCount++;
390 /* Leave the leisure power save mode. */
391 void LPS_Leave23a(struct rtw_adapter *padapter)
393 #define LPS_LEAVE_TIMEOUT_MS 100
395 struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
397 if (pwrpriv->bLeisurePs) {
398 if (pwrpriv->pwr_mode != PS_MODE_ACTIVE) {
399 rtw_set_ps_mode23a(padapter, PS_MODE_ACTIVE, 0, 0);
401 if (pwrpriv->pwr_mode == PS_MODE_ACTIVE)
402 LPS_RF_ON_check23a(padapter,
403 LPS_LEAVE_TIMEOUT_MS);
407 pwrpriv->bpower_saving = false;
410 /* Description: Leave all power save mode: LPS, FwLPS, IPS if needed. */
411 /* Move code to function by tynli. 2010.03.26. */
412 void LeaveAllPowerSaveMode23a(struct rtw_adapter *Adapter)
414 struct mlme_priv *pmlmepriv = &Adapter->mlmepriv;
417 /* DBG_8723A("%s.....\n", __func__); */
418 if (check_fwstate(pmlmepriv, _FW_LINKED))
419 rtw_lps_ctrl_wk_cmd23a(Adapter, LPS_CTRL_LEAVE, enqueue);
422 void rtw_init_pwrctrl_priv23a(struct rtw_adapter *padapter)
424 struct pwrctrl_priv *pwrctrlpriv = &padapter->pwrctrlpriv;
426 sema_init(&pwrctrlpriv->lock, 1);
427 pwrctrlpriv->rf_pwrstate = rf_on;
428 pwrctrlpriv->ips_enter23a_cnts = 0;
429 pwrctrlpriv->ips_leave23a_cnts = 0;
430 pwrctrlpriv->bips_processing = false;
432 pwrctrlpriv->ips_mode = padapter->registrypriv.ips_mode;
433 pwrctrlpriv->ips_mode_req = padapter->registrypriv.ips_mode;
435 pwrctrlpriv->pwr_state_check_interval = RTW_PWR_STATE_CHK_INTERVAL;
436 pwrctrlpriv->pwr_state_check_cnts = 0;
437 pwrctrlpriv->bInSuspend = false;
438 pwrctrlpriv->bkeepfwalive = false;
440 pwrctrlpriv->LpsIdleCount = 0;
443 pwrctrlpriv->power_mgnt = padapter->registrypriv.power_mgnt;
444 pwrctrlpriv->bLeisurePs =
445 (PS_MODE_ACTIVE != pwrctrlpriv->power_mgnt)?true:false;
447 pwrctrlpriv->bFwCurrentInPSMode = false;
449 pwrctrlpriv->rpwm = 0;
450 pwrctrlpriv->cpwm = PS_STATE_S4;
452 pwrctrlpriv->pwr_mode = PS_MODE_ACTIVE;
453 pwrctrlpriv->smart_ps = padapter->registrypriv.smart_ps;
454 pwrctrlpriv->bcn_ant_mode = 0;
456 pwrctrlpriv->tog = 0x80;
458 pwrctrlpriv->btcoex_rfon = false;
460 setup_timer(&pwrctrlpriv->pwr_state_check_timer,
461 pwr_state_check_handler, (unsigned long)padapter);
464 void rtw_free_pwrctrl_priv(struct rtw_adapter *adapter)
468 inline void rtw_set_ips_deny23a(struct rtw_adapter *padapter, u32 ms)
470 struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
472 pwrpriv->ips_deny_time = jiffies + msecs_to_jiffies(ms);
476 * rtw_pwr_wakeup - Wake the NIC up from: 1)IPS. 2)USB autosuspend
477 * @adapter: pointer to _adapter structure
478 * @ips_deffer_ms: the ms will prevent from falling into IPS after wakeup
479 * Return _SUCCESS or _FAIL
482 int _rtw_pwr_wakeup23a(struct rtw_adapter *padapter, u32 ips_deffer_ms, const char *caller)
484 struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
485 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
487 unsigned long start = jiffies;
488 unsigned long new_deny_time;
490 new_deny_time = jiffies + msecs_to_jiffies(ips_deffer_ms);
492 if (time_before(pwrpriv->ips_deny_time, new_deny_time))
493 pwrpriv->ips_deny_time = new_deny_time;
495 if (pwrpriv->ps_processing) {
496 DBG_8723A("%s wait ps_processing...\n", __func__);
497 while (pwrpriv->ps_processing &&
498 jiffies_to_msecs(jiffies - start) <= 3000)
500 if (pwrpriv->ps_processing)
501 DBG_8723A("%s wait ps_processing timeout\n", __func__);
503 DBG_8723A("%s wait ps_processing done\n", __func__);
506 if (rtw_sreset_inprogress(padapter)) {
507 DBG_8723A("%s wait sreset_inprogress...\n", __func__);
508 while (rtw_sreset_inprogress(padapter) &&
509 jiffies_to_msecs(jiffies - start) <= 4000)
511 if (rtw_sreset_inprogress(padapter))
512 DBG_8723A("%s wait sreset_inprogress timeout\n",
515 DBG_8723A("%s wait sreset_inprogress done\n", __func__);
518 if (pwrpriv->bInSuspend) {
519 DBG_8723A("%s wait bInSuspend...\n", __func__);
520 while (pwrpriv->bInSuspend &&
521 (jiffies_to_msecs(jiffies - start) <= 3000)) {
524 if (pwrpriv->bInSuspend)
525 DBG_8723A("%s wait bInSuspend timeout\n", __func__);
527 DBG_8723A("%s wait bInSuspend done\n", __func__);
530 /* System suspend is not allowed to wakeup */
531 if (pwrpriv->bInSuspend) {
536 /* I think this should be check in IPS, LPS, autosuspend functions... */
537 if (check_fwstate(pmlmepriv, _FW_LINKED)) {
542 if (rf_off == pwrpriv->rf_pwrstate) {
543 DBG_8723A("%s call ips_leave23a....\n", __func__);
544 if (ips_leave23a(padapter)== _FAIL) {
545 DBG_8723A("======> ips_leave23a fail.............\n");
551 /* TODO: the following checking need to be merged... */
552 if (padapter->bDriverStopped || !padapter->bup ||
553 !padapter->hw_init_completed) {
554 DBG_8723A("%s: bDriverStopped =%d, bup =%d, hw_init_completed "
555 "=%u\n", caller, padapter->bDriverStopped,
556 padapter->bup, padapter->hw_init_completed);
562 new_deny_time = jiffies + msecs_to_jiffies(ips_deffer_ms);
563 if (time_before(pwrpriv->ips_deny_time, new_deny_time))
564 pwrpriv->ips_deny_time = new_deny_time;
568 int rtw_pm_set_lps23a(struct rtw_adapter *padapter, u8 mode)
571 struct pwrctrl_priv *pwrctrlpriv = &padapter->pwrctrlpriv;
573 if (mode < PS_MODE_NUM) {
574 if (pwrctrlpriv->power_mgnt != mode) {
575 if (PS_MODE_ACTIVE == mode)
576 LeaveAllPowerSaveMode23a(padapter);
578 pwrctrlpriv->LpsIdleCount = 2;
579 pwrctrlpriv->power_mgnt = mode;
580 pwrctrlpriv->bLeisurePs =
581 (PS_MODE_ACTIVE != pwrctrlpriv->power_mgnt) ?
590 int rtw_pm_set_ips23a(struct rtw_adapter *padapter, u8 mode)
592 struct pwrctrl_priv *pwrctrlpriv = &padapter->pwrctrlpriv;
594 if (mode != IPS_NORMAL && mode != IPS_LEVEL_2 && mode != IPS_NONE)
597 pwrctrlpriv->ips_mode_req = mode;
598 if (mode == IPS_NONE) {
599 DBG_8723A("%s %s\n", __func__, "IPS_NONE");
600 if (padapter->bSurpriseRemoved == 0 &&
601 rtw_pwr_wakeup(padapter) == _FAIL)