1
2
3
4#define _RTW_PWRCTRL_C_
5
6#include "../include/osdep_service.h"
7#include "../include/drv_types.h"
8#include "../include/osdep_intf.h"
9#include "../include/linux/usb.h"
10
11void ips_enter(struct adapter *padapter)
12{
13 struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
14 struct xmit_priv *pxmit_priv = &padapter->xmitpriv;
15
16 if (padapter->registrypriv.mp_mode == 1)
17 return;
18
19 if (pxmit_priv->free_xmitbuf_cnt != NR_XMITBUFF ||
20 pxmit_priv->free_xmit_extbuf_cnt != NR_XMIT_EXTBUFF) {
21 DBG_88E_LEVEL(_drv_info_, "There are some pkts to transmit\n");
22 DBG_88E_LEVEL(_drv_info_, "free_xmitbuf_cnt: %d, free_xmit_extbuf_cnt: %d\n",
23 pxmit_priv->free_xmitbuf_cnt, pxmit_priv->free_xmit_extbuf_cnt);
24 return;
25 }
26
27 _enter_pwrlock(&pwrpriv->lock);
28
29 pwrpriv->bips_processing = true;
30
31
32 pwrpriv->ips_mode = pwrpriv->ips_mode_req;
33
34 pwrpriv->ips_enter_cnts++;
35 DBG_88E("==>ips_enter cnts:%d\n", pwrpriv->ips_enter_cnts);
36 if (rf_off == pwrpriv->change_rfpwrstate) {
37 pwrpriv->bpower_saving = true;
38 DBG_88E_LEVEL(_drv_info_, "nolinked power save enter\n");
39
40 if (pwrpriv->ips_mode == IPS_LEVEL_2)
41 pwrpriv->bkeepfwalive = true;
42
43 rtw_ips_pwr_down(padapter);
44 pwrpriv->rf_pwrstate = rf_off;
45 }
46 pwrpriv->bips_processing = false;
47
48 _exit_pwrlock(&pwrpriv->lock);
49}
50
51int ips_leave(struct adapter *padapter)
52{
53 struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
54 struct security_priv *psecuritypriv = &padapter->securitypriv;
55 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
56 int result = _SUCCESS;
57 int keyid;
58
59 _enter_pwrlock(&pwrpriv->lock);
60
61 if ((pwrpriv->rf_pwrstate == rf_off) && (!pwrpriv->bips_processing)) {
62 pwrpriv->bips_processing = true;
63 pwrpriv->change_rfpwrstate = rf_on;
64 pwrpriv->ips_leave_cnts++;
65 DBG_88E("==>ips_leave cnts:%d\n", pwrpriv->ips_leave_cnts);
66
67 result = rtw_ips_pwr_up(padapter);
68 if (result == _SUCCESS) {
69 pwrpriv->rf_pwrstate = rf_on;
70 }
71 DBG_88E_LEVEL(_drv_info_, "nolinked power save leave\n");
72
73 if ((_WEP40_ == psecuritypriv->dot11PrivacyAlgrthm) || (_WEP104_ == psecuritypriv->dot11PrivacyAlgrthm)) {
74 DBG_88E("==>%s, channel(%d), processing(%x)\n", __func__, padapter->mlmeextpriv.cur_channel, pwrpriv->bips_processing);
75 set_channel_bwmode(padapter, padapter->mlmeextpriv.cur_channel, HAL_PRIME_CHNL_OFFSET_DONT_CARE, HT_CHANNEL_WIDTH_20);
76 for (keyid = 0; keyid < 4; keyid++) {
77 if (pmlmepriv->key_mask & BIT(keyid)) {
78 if (keyid == psecuritypriv->dot11PrivacyKeyIndex)
79 result = rtw_set_key(padapter, psecuritypriv, keyid, 1);
80 else
81 result = rtw_set_key(padapter, psecuritypriv, keyid, 0);
82 }
83 }
84 }
85
86 DBG_88E("==> ips_leave.....LED(0x%08x)...\n", rtw_read32(padapter, 0x4c));
87 pwrpriv->bips_processing = false;
88
89 pwrpriv->bkeepfwalive = false;
90 pwrpriv->bpower_saving = false;
91 }
92
93 _exit_pwrlock(&pwrpriv->lock);
94
95 return result;
96}
97
98static bool rtw_pwr_unassociated_idle(struct adapter *adapter)
99{
100 struct adapter *buddy = adapter->pbuddy_adapter;
101 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
102#ifdef CONFIG_88EU_P2P
103 struct wifidirect_info *pwdinfo = &adapter->wdinfo;
104#endif
105
106 bool ret = false;
107
108 if (adapter->pwrctrlpriv.ips_deny_time >= jiffies)
109 goto exit;
110
111 if (check_fwstate(pmlmepriv, WIFI_ASOC_STATE | WIFI_SITE_MONITOR) ||
112 check_fwstate(pmlmepriv, WIFI_UNDER_LINKING | WIFI_UNDER_WPS) ||
113 check_fwstate(pmlmepriv, WIFI_UNDER_WPS) ||
114 check_fwstate(pmlmepriv, WIFI_AP_STATE) ||
115 check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE | WIFI_ADHOC_STATE) ||
116#if defined(CONFIG_88EU_P2P)
117 !rtw_p2p_chk_state(pwdinfo, P2P_STATE_NONE))
118#else
119 0)
120#endif
121 goto exit;
122
123
124 if (buddy) {
125 struct mlme_priv *b_pmlmepriv = &buddy->mlmepriv;
126 #ifdef CONFIG_88EU_P2P
127 struct wifidirect_info *b_pwdinfo = &buddy->wdinfo;
128 #endif
129
130 if (check_fwstate(b_pmlmepriv, WIFI_ASOC_STATE | WIFI_SITE_MONITOR) ||
131 check_fwstate(b_pmlmepriv, WIFI_UNDER_LINKING | WIFI_UNDER_WPS) ||
132 check_fwstate(b_pmlmepriv, WIFI_AP_STATE) ||
133 check_fwstate(b_pmlmepriv, WIFI_ADHOC_MASTER_STATE | WIFI_ADHOC_STATE) ||
134#if defined(CONFIG_88EU_P2P)
135 !rtw_p2p_chk_state(b_pwdinfo, P2P_STATE_NONE))
136#else
137 0)
138#endif
139 goto exit;
140 }
141 ret = true;
142
143exit:
144 return ret;
145}
146
147void rtw_ps_processor(struct adapter *padapter)
148{
149 struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
150 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
151 enum rt_rf_power_state rfpwrstate;
152
153 pwrpriv->ps_processing = true;
154
155 if (pwrpriv->bips_processing)
156 goto exit;
157
158 if (padapter->pwrctrlpriv.bHWPwrPindetect) {
159 rfpwrstate = RfOnOffDetect(padapter);
160 DBG_88E("@@@@- #2 %s==> rfstate:%s\n", __func__, (rfpwrstate == rf_on) ? "rf_on" : "rf_off");
161
162 if (rfpwrstate != pwrpriv->rf_pwrstate) {
163 if (rfpwrstate == rf_off) {
164 pwrpriv->change_rfpwrstate = rf_off;
165 pwrpriv->brfoffbyhw = true;
166 padapter->bCardDisableWOHSM = true;
167 rtw_hw_suspend(padapter);
168 } else {
169 pwrpriv->change_rfpwrstate = rf_on;
170 rtw_hw_resume(padapter);
171 }
172 DBG_88E("current rf_pwrstate(%s)\n", (pwrpriv->rf_pwrstate == rf_off) ? "rf_off" : "rf_on");
173 }
174 pwrpriv->pwr_state_check_cnts++;
175 }
176
177 if (pwrpriv->ips_mode_req == IPS_NONE)
178 goto exit;
179
180 if (!rtw_pwr_unassociated_idle(padapter))
181 goto exit;
182
183 if ((pwrpriv->rf_pwrstate == rf_on) && ((pwrpriv->pwr_state_check_cnts % 4) == 0)) {
184 DBG_88E("==>%s .fw_state(%x)\n", __func__, get_fwstate(pmlmepriv));
185 pwrpriv->change_rfpwrstate = rf_off;
186
187 ips_enter(padapter);
188 }
189exit:
190 rtw_set_pwr_state_check_timer(&padapter->pwrctrlpriv);
191 pwrpriv->ps_processing = false;
192}
193
194static void pwr_state_check_handler(struct timer_list *t)
195{
196 struct adapter *padapter =
197 from_timer(padapter, t,
198 pwrctrlpriv.pwr_state_check_timer);
199 rtw_ps_cmd(padapter);
200}
201
202
203
204
205
206
207
208
209void rtw_set_rpwm(struct adapter *padapter, u8 pslv)
210{
211 u8 rpwm;
212 struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
213
214 pslv = PS_STATE(pslv);
215
216 if (pwrpriv->btcoex_rfon) {
217 if (pslv < PS_STATE_S4)
218 pslv = PS_STATE_S3;
219 }
220
221 if (pwrpriv->rpwm == pslv)
222 return;
223
224 if ((padapter->bSurpriseRemoved) ||
225 (!padapter->hw_init_completed)) {
226 pwrpriv->cpwm = PS_STATE_S4;
227
228 return;
229 }
230
231 if (padapter->bDriverStopped) {
232 if (pslv < PS_STATE_S2)
233 return;
234 }
235
236 rpwm = pslv | pwrpriv->tog;
237
238 pwrpriv->rpwm = pslv;
239
240 rtw_hal_set_hwreg(padapter, HW_VAR_SET_RPWM, (u8 *)(&rpwm));
241
242 pwrpriv->tog += 0x80;
243 pwrpriv->cpwm = pslv;
244
245}
246
247static u8 PS_RDY_CHECK(struct adapter *padapter)
248{
249 u32 curr_time, delta_time;
250 struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
251 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
252
253 curr_time = jiffies;
254 delta_time = curr_time - pwrpriv->DelayLPSLastTimeStamp;
255
256 if (delta_time < LPS_DELAY_TIME)
257 return false;
258
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))
264 return false;
265 if (pwrpriv->bInSuspend)
266 return false;
267 if (padapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X && !padapter->securitypriv.binstallGrpkey) {
268 DBG_88E("Group handshake still in progress !!!\n");
269 return false;
270 }
271 return true;
272}
273
274void rtw_set_ps_mode(struct adapter *padapter, u8 ps_mode, u8 smart_ps, u8 bcn_ant_mode)
275{
276 struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
277#ifdef CONFIG_88EU_P2P
278 struct wifidirect_info *pwdinfo = &padapter->wdinfo;
279#endif
280
281 if (ps_mode > PM_Card_Disable)
282 return;
283
284 if (pwrpriv->pwr_mode == ps_mode) {
285 if (PS_MODE_ACTIVE == ps_mode)
286 return;
287
288 if ((pwrpriv->smart_ps == smart_ps) &&
289 (pwrpriv->bcn_ant_mode == bcn_ant_mode))
290 return;
291 }
292
293
294 if (ps_mode == PS_MODE_ACTIVE) {
295#ifdef CONFIG_88EU_P2P
296 if (pwdinfo->opp_ps == 0) {
297 DBG_88E("rtw_set_ps_mode: Leave 802.11 power save\n");
298 pwrpriv->pwr_mode = ps_mode;
299 rtw_set_rpwm(padapter, PS_STATE_S4);
300 rtw_hal_set_hwreg(padapter, HW_VAR_H2C_FW_PWRMODE, (u8 *)(&ps_mode));
301 pwrpriv->bFwCurrentInPSMode = false;
302 }
303 } else {
304#endif
305 if (PS_RDY_CHECK(padapter)) {
306 DBG_88E("%s: Enter 802.11 power save\n", __func__);
307 pwrpriv->bFwCurrentInPSMode = true;
308 pwrpriv->pwr_mode = ps_mode;
309 pwrpriv->smart_ps = smart_ps;
310 pwrpriv->bcn_ant_mode = bcn_ant_mode;
311 rtw_hal_set_hwreg(padapter, HW_VAR_H2C_FW_PWRMODE, (u8 *)(&ps_mode));
312
313#ifdef CONFIG_88EU_P2P
314
315 if (pwdinfo->opp_ps == 1)
316 p2p_ps_wk_cmd(padapter, P2P_PS_ENABLE, 0);
317#endif
318
319 rtw_set_rpwm(padapter, PS_STATE_S2);
320 }
321 }
322
323}
324
325
326
327
328
329
330
331s32 LPS_RF_ON_check(struct adapter *padapter, u32 delay_ms)
332{
333 u32 start_time;
334 u8 bAwake = false;
335 s32 err = 0;
336
337 start_time = jiffies;
338 while (1) {
339 rtw_hal_get_hwreg(padapter, HW_VAR_FWLPS_RF_ON, &bAwake);
340 if (bAwake)
341 break;
342
343 if (padapter->bSurpriseRemoved) {
344 err = -2;
345 DBG_88E("%s: device surprise removed!!\n", __func__);
346 break;
347 }
348
349 if (rtw_get_passing_time_ms(start_time) > delay_ms) {
350 err = -1;
351 DBG_88E("%s: Wait for FW LPS leave more than %u ms!!!\n", __func__, delay_ms);
352 break;
353 }
354 rtw_usleep_os(100);
355 }
356
357 return err;
358}
359
360
361
362
363
364void LPS_Enter(struct adapter *padapter)
365{
366 struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
367
368 if (!PS_RDY_CHECK(padapter))
369 return;
370
371 if (pwrpriv->bLeisurePs) {
372
373 if (pwrpriv->LpsIdleCount >= 2) {
374 if (pwrpriv->pwr_mode == PS_MODE_ACTIVE) {
375 pwrpriv->bpower_saving = true;
376 DBG_88E("%s smart_ps:%d\n", __func__, pwrpriv->smart_ps);
377
378 rtw_set_ps_mode(padapter, pwrpriv->power_mgnt,
379 pwrpriv->smart_ps, 0x40);
380 }
381 } else {
382 pwrpriv->LpsIdleCount++;
383 }
384 }
385
386}
387
388#define LPS_LEAVE_TIMEOUT_MS 100
389
390
391
392void LPS_Leave(struct adapter *padapter)
393{
394 struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
395
396 if (pwrpriv->bLeisurePs) {
397 if (pwrpriv->pwr_mode != PS_MODE_ACTIVE) {
398 rtw_set_ps_mode(padapter, PS_MODE_ACTIVE, 0, 0x40);
399
400 if (pwrpriv->pwr_mode == PS_MODE_ACTIVE)
401 LPS_RF_ON_check(padapter, LPS_LEAVE_TIMEOUT_MS);
402 }
403 }
404
405 pwrpriv->bpower_saving = false;
406
407}
408
409
410
411
412
413void LeaveAllPowerSaveMode(struct adapter *Adapter)
414{
415 struct mlme_priv *pmlmepriv = &Adapter->mlmepriv;
416 u8 enqueue = 0;
417
418 if (check_fwstate(pmlmepriv, _FW_LINKED)) {
419 p2p_ps_wk_cmd(Adapter, P2P_PS_DISABLE, enqueue);
420
421 rtw_lps_ctrl_wk_cmd(Adapter, LPS_CTRL_LEAVE, enqueue);
422 }
423
424}
425
426void rtw_init_pwrctrl_priv(struct adapter *padapter)
427{
428 struct pwrctrl_priv *pwrctrlpriv = &padapter->pwrctrlpriv;
429
430 _init_pwrlock(&pwrctrlpriv->lock);
431 pwrctrlpriv->rf_pwrstate = rf_on;
432 pwrctrlpriv->ips_enter_cnts = 0;
433 pwrctrlpriv->ips_leave_cnts = 0;
434 pwrctrlpriv->bips_processing = false;
435
436 pwrctrlpriv->ips_mode = padapter->registrypriv.ips_mode;
437 pwrctrlpriv->ips_mode_req = padapter->registrypriv.ips_mode;
438
439 pwrctrlpriv->pwr_state_check_interval = RTW_PWR_STATE_CHK_INTERVAL;
440 pwrctrlpriv->pwr_state_check_cnts = 0;
441 pwrctrlpriv->bInternalAutoSuspend = false;
442 pwrctrlpriv->bInSuspend = false;
443 pwrctrlpriv->bkeepfwalive = false;
444
445 pwrctrlpriv->LpsIdleCount = 0;
446 if (padapter->registrypriv.mp_mode == 1)
447 pwrctrlpriv->power_mgnt = PS_MODE_ACTIVE;
448 else
449 pwrctrlpriv->power_mgnt = padapter->registrypriv.power_mgnt;
450 pwrctrlpriv->bLeisurePs = (PS_MODE_ACTIVE != pwrctrlpriv->power_mgnt) ? true : false;
451
452 pwrctrlpriv->bFwCurrentInPSMode = false;
453
454 pwrctrlpriv->rpwm = 0;
455 pwrctrlpriv->cpwm = PS_STATE_S4;
456
457 pwrctrlpriv->pwr_mode = PS_MODE_ACTIVE;
458 pwrctrlpriv->smart_ps = padapter->registrypriv.smart_ps;
459 pwrctrlpriv->bcn_ant_mode = 0;
460
461 pwrctrlpriv->tog = 0x80;
462
463 pwrctrlpriv->btcoex_rfon = false;
464
465 timer_setup(&pwrctrlpriv->pwr_state_check_timer, pwr_state_check_handler, 0);
466}
467
468void rtw_free_pwrctrl_priv(struct adapter *adapter)
469{
470 struct pwrctrl_priv *pwrctrlpriv = &adapter->pwrctrlpriv;
471
472 _free_pwrlock(&pwrctrlpriv->lock);
473
474}
475
476u8 rtw_interface_ps_func(struct adapter *padapter, enum hal_intf_ps_func efunc_id, u8 *val)
477{
478 u8 bResult = true;
479 rtw_hal_intf_ps_func(padapter, efunc_id, val);
480
481 return bResult;
482}
483
484inline void rtw_set_ips_deny(struct adapter *padapter, u32 ms)
485{
486 struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
487 pwrpriv->ips_deny_time = jiffies + rtw_ms_to_systime(ms);
488}
489
490
491
492
493
494
495
496
497int _rtw_pwr_wakeup(struct adapter *padapter, u32 ips_deffer_ms, const char *caller)
498{
499 struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
500 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
501 int ret = _SUCCESS;
502 u32 start = jiffies;
503
504 if (pwrpriv->ips_deny_time < jiffies + rtw_ms_to_systime(ips_deffer_ms))
505 pwrpriv->ips_deny_time = jiffies + rtw_ms_to_systime(ips_deffer_ms);
506
507 if (pwrpriv->ps_processing) {
508 DBG_88E("%s wait ps_processing...\n", __func__);
509 while (pwrpriv->ps_processing && rtw_get_passing_time_ms(start) <= 3000)
510 msleep(10);
511 if (pwrpriv->ps_processing)
512 DBG_88E("%s wait ps_processing timeout\n", __func__);
513 else
514 DBG_88E("%s wait ps_processing done\n", __func__);
515 }
516
517
518 if ((!pwrpriv->bInternalAutoSuspend) && pwrpriv->bInSuspend) {
519 while (pwrpriv->bInSuspend &&
520 (rtw_get_passing_time_ms(start) <= 3000 ||
521 (rtw_get_passing_time_ms(start) <= 500)))
522 msleep(10);
523 if (pwrpriv->bInSuspend)
524 DBG_88E("%s wait bInSuspend timeout\n", __func__);
525 else
526 DBG_88E("%s wait bInSuspend done\n", __func__);
527 }
528
529
530 if ((pwrpriv->bInternalAutoSuspend) && (padapter->net_closed)) {
531 ret = _FAIL;
532 goto exit;
533 }
534
535
536 if (check_fwstate(pmlmepriv, _FW_LINKED)) {
537 ret = _SUCCESS;
538 goto exit;
539 }
540 if (rf_off == pwrpriv->rf_pwrstate) {
541 DBG_88E("%s call ips_leave....\n", __func__);
542 if (_FAIL == ips_leave(padapter)) {
543 DBG_88E("======> ips_leave fail.............\n");
544 ret = _FAIL;
545 goto exit;
546 }
547 }
548
549
550 if (padapter->bDriverStopped || !padapter->bup ||
551 !padapter->hw_init_completed) {
552 DBG_88E("%s: bDriverStopped=%d, bup=%d, hw_init_completed =%u\n"
553 , caller
554 , padapter->bDriverStopped
555 , padapter->bup
556 , padapter->hw_init_completed);
557 ret = false;
558 goto exit;
559 }
560
561exit:
562 if (pwrpriv->ips_deny_time < jiffies + rtw_ms_to_systime(ips_deffer_ms))
563 pwrpriv->ips_deny_time = jiffies + rtw_ms_to_systime(ips_deffer_ms);
564 return ret;
565}
566
567int rtw_pm_set_lps(struct adapter *padapter, u8 mode)
568{
569 int ret = 0;
570 struct pwrctrl_priv *pwrctrlpriv = &padapter->pwrctrlpriv;
571
572 if (mode < PS_MODE_NUM) {
573 if (pwrctrlpriv->power_mgnt != mode) {
574 if (PS_MODE_ACTIVE == mode)
575 LeaveAllPowerSaveMode(padapter);
576 else
577 pwrctrlpriv->LpsIdleCount = 2;
578 pwrctrlpriv->power_mgnt = mode;
579 pwrctrlpriv->bLeisurePs = (PS_MODE_ACTIVE != pwrctrlpriv->power_mgnt) ? true : false;
580 }
581 } else {
582 ret = -EINVAL;
583 }
584
585 return ret;
586}
587
588int rtw_pm_set_ips(struct adapter *padapter, u8 mode)
589{
590 struct pwrctrl_priv *pwrctrlpriv = &padapter->pwrctrlpriv;
591
592 if (mode == IPS_NORMAL || mode == IPS_LEVEL_2) {
593 rtw_ips_mode_req(pwrctrlpriv, mode);
594 DBG_88E("%s %s\n", __func__, mode == IPS_NORMAL ? "IPS_NORMAL" : "IPS_LEVEL_2");
595 return 0;
596 } else if (mode == IPS_NONE) {
597 rtw_ips_mode_req(pwrctrlpriv, mode);
598 DBG_88E("%s %s\n", __func__, "IPS_NONE");
599 if ((padapter->bSurpriseRemoved == 0) && (_FAIL == rtw_pwr_wakeup(padapter)))
600 return -EFAULT;
601 } else {
602 return -EINVAL;
603 }
604 return 0;
605}
606
