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staging: rtl8723bs: replace __inline by inline
[linux-2.6-block.git] / drivers / staging / rtl8723bs / core / rtw_pwrctrl.c
CommitLineData
58391efd 1// SPDX-License-Identifier: GPL-2.0
554c0a3a
HG		 2/******************************************************************************
3 *
4 * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
5 *
554c0a3a
HG		 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
15void _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;
7aebff11 29 DBG_871X("nolinked power save enter\n");
554c0a3a
HG		 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
41void ips_enter(struct adapter *padapter)
42{
43 struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter);
44
45
4c1bcb0e 46 hal_btcoex_IpsNotify(padapter, pwrpriv->ips_mode_req);
554c0a3a 47
07e3a844 48 mutex_lock(&pwrpriv->lock);
554c0a3a 49 _ips_enter(padapter);
07e3a844 50 mutex_unlock(&pwrpriv->lock);
554c0a3a
HG		 51}
52
53int _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 }
7aebff11 68 DBG_871X("nolinked power save leave\n");
554c0a3a
HG		 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
80int 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
07e3a844 88 mutex_lock(&pwrpriv->lock);
554c0a3a 89 ret = _ips_leave(padapter);
07e3a844 90 mutex_unlock(&pwrpriv->lock);
554c0a3a
HG		 91
92 if (_SUCCESS == ret)
4c1bcb0e 93 hal_btcoex_IpsNotify(padapter, IPS_NONE);
554c0a3a
HG		 94
95 return ret;
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 struct xmit_priv *pxmit_priv = &adapter->xmitpriv;
103
104 bool ret = false;
105
106 if (adapter_to_pwrctl(adapter)->bpower_saving == true) {
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
145exit:
146 return ret;
147}
148
149
150/*
151 * ATTENTION:
152 *rtw_ps_processor() doesn't handle LPS.
153 */
154void 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
07e3a844 161 mutex_lock(&adapter_to_pwrctl(padapter)->lock);
554c0a3a 162 ps_deny = rtw_ps_deny_get(padapter);
07e3a844 163 mutex_unlock(&adapter_to_pwrctl(padapter)->lock);
554c0a3a
HG		 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 == true) {/* 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
63a9c3ed 181 if (!rtw_pwr_unassociated_idle(padapter))
554c0a3a
HG		 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 }
191exit:
192 pwrpriv->ps_processing = false;
193 return;
194}
195
e8b1844a 196static void pwr_state_check_handler(struct timer_list *t)
554c0a3a 197{
e8b1844a
KC		 198 struct pwrctrl_priv *pwrctrlpriv =
199 from_timer(pwrctrlpriv, t, pwr_state_check_timer);
200 struct adapter *padapter = pwrctrlpriv->adapter;
201
554c0a3a
HG		 202 rtw_ps_cmd(padapter);
203}
204
205void traffic_check_for_leave_lps(struct adapter *padapter, u8 tx, u32 tx_packets)
206{
40d4aa0f
SP		 207 static unsigned long start_time;
208 static u32 xmit_cnt;
554c0a3a
HG		 209 u8 bLeaveLPS = false;
210 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
211
212
213
214 if (tx) { /* from tx */
215 xmit_cnt += tx_packets;
216
217 if (start_time == 0)
218 start_time = jiffies;
219
220 if (jiffies_to_msecs(jiffies - start_time) > 2000) { /* 2 sec == watch dog timer */
221 if (xmit_cnt > 8) {
222 if ((adapter_to_pwrctl(padapter)->bLeisurePs)
223 && (adapter_to_pwrctl(padapter)->pwr_mode != PS_MODE_ACTIVE)
606e33ce 224 && (hal_btcoex_IsBtControlLps(padapter) == false)
554c0a3a
HG		 225 ) {
226 DBG_871X("leave lps via Tx = %d\n", xmit_cnt);
227 bLeaveLPS = true;
228 }
229 }
230
231 start_time = jiffies;
232 xmit_cnt = 0;
233 }
234
235 } else { /* from rx path */
236 if (pmlmepriv->LinkDetectInfo.NumRxUnicastOkInPeriod > 4/*2*/) {
237 if ((adapter_to_pwrctl(padapter)->bLeisurePs)
238 && (adapter_to_pwrctl(padapter)->pwr_mode != PS_MODE_ACTIVE)
606e33ce 239 && (hal_btcoex_IsBtControlLps(padapter) == false)
554c0a3a
HG		 240 ) {
241 DBG_871X("leave lps via Rx = %d\n", pmlmepriv->LinkDetectInfo.NumRxUnicastOkInPeriod);
242 bLeaveLPS = true;
243 }
244 }
245 }
246
247 if (bLeaveLPS)
248 /* DBG_871X("leave lps via %s, Tx = %d, Rx = %d\n", tx?"Tx":"Rx", pmlmepriv->LinkDetectInfo.NumTxOkInPeriod, pmlmepriv->LinkDetectInfo.NumRxUnicastOkInPeriod); */
249 /* rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_LEAVE, 1); */
250 rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_LEAVE, tx?0:1);
251}
252
253/*
254 * Description:
255 *This function MUST be called under power lock protect
256 *
257 * Parameters
258 *padapter
259 *pslv power state level, only could be PS_STATE_S0 ~ PS_STATE_S4
260 *
261 */
262void rtw_set_rpwm(struct adapter *padapter, u8 pslv)
263{
264 u8 rpwm;
265 struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter);
266 u8 cpwm_orig;
267
268 pslv = PS_STATE(pslv);
269
270 if (pwrpriv->brpwmtimeout == true) {
271 DBG_871X("%s: RPWM timeout, force to set RPWM(0x%02X) again!\n", __func__, pslv);
cb9a242c 272 } else {
554c0a3a
HG		 273 if ((pwrpriv->rpwm == pslv)
274 || ((pwrpriv->rpwm >= PS_STATE_S2) && (pslv >= PS_STATE_S2))) {
275 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_err_,
276 ("%s: Already set rpwm[0x%02X], new = 0x%02X!\n", __func__, pwrpriv->rpwm, pslv));
277 return;
278 }
279 }
280
281 if ((padapter->bSurpriseRemoved == true) ||
282 (padapter->hw_init_completed == false)) {
283 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_err_,
284 ("%s: SurpriseRemoved(%d) hw_init_completed(%d)\n",
285 __func__, padapter->bSurpriseRemoved, padapter->hw_init_completed));
286
287 pwrpriv->cpwm = PS_STATE_S4;
288
289 return;
290 }
291
292 if (padapter->bDriverStopped == true) {
293 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_err_,
294 ("%s: change power state(0x%02X) when DriverStopped\n", __func__, pslv));
295
296 if (pslv < PS_STATE_S2) {
297 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_err_,
298 ("%s: Reject to enter PS_STATE(0x%02X) lower than S2 when DriverStopped!!\n", __func__, pslv));
299 return;
300 }
301 }
302
303 rpwm = pslv | pwrpriv->tog;
304 /* only when from PS_STATE S0/S1 to S2 and higher needs ACK */
305 if ((pwrpriv->cpwm < PS_STATE_S2) && (pslv >= PS_STATE_S2))
306 rpwm |= PS_ACK;
307 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_,
308 ("rtw_set_rpwm: rpwm = 0x%02x cpwm = 0x%02x\n", rpwm, pwrpriv->cpwm));
309
310 pwrpriv->rpwm = pslv;
311
312 cpwm_orig = 0;
313 if (rpwm & PS_ACK)
314 rtw_hal_get_hwreg(padapter, HW_VAR_CPWM, &cpwm_orig);
315
316 if (rpwm & PS_ACK)
317 _set_timer(&pwrpriv->pwr_rpwm_timer, LPS_RPWM_WAIT_MS);
318 rtw_hal_set_hwreg(padapter, HW_VAR_SET_RPWM, (u8 *)(&rpwm));
319
320 pwrpriv->tog += 0x80;
321
322 /* No LPS 32K, No Ack */
323 if (rpwm & PS_ACK) {
324 unsigned long start_time;
325 u8 cpwm_now;
326 u8 poll_cnt = 0;
327
328 start_time = jiffies;
329
330 /* polling cpwm */
331 do {
332 mdelay(1);
333 poll_cnt++;
334 rtw_hal_get_hwreg(padapter, HW_VAR_CPWM, &cpwm_now);
335 if ((cpwm_orig ^ cpwm_now) & 0x80) {
336 pwrpriv->cpwm = PS_STATE_S4;
337 pwrpriv->cpwm_tog = cpwm_now & PS_TOGGLE;
338 break;
339 }
340
341 if (jiffies_to_msecs(jiffies - start_time) > LPS_RPWM_WAIT_MS) {
342 DBG_871X("%s: polling cpwm timeout! poll_cnt =%d, cpwm_orig =%02x, cpwm_now =%02x\n", __func__, poll_cnt, cpwm_orig, cpwm_now);
343 _set_timer(&pwrpriv->pwr_rpwm_timer, 1);
344 break;
345 }
346 } while (1);
347 } else
348 pwrpriv->cpwm = pslv;
349}
350
351static u8 PS_RDY_CHECK(struct adapter *padapter)
352{
353 unsigned long curr_time, delta_time;
354 struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter);
355 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
356
357#if defined(CONFIG_WOWLAN) || defined(CONFIG_AP_WOWLAN)
358 if (true == pwrpriv->bInSuspend && pwrpriv->wowlan_mode)
359 return true;
360 else if (true == pwrpriv->bInSuspend && pwrpriv->wowlan_ap_mode)
361 return true;
362 else if (true == pwrpriv->bInSuspend)
363 return false;
364#else
365 if (true == pwrpriv->bInSuspend)
366 return false;
367#endif
368
369 curr_time = jiffies;
370
371 delta_time = curr_time - pwrpriv->DelayLPSLastTimeStamp;
372
373 if (delta_time < LPS_DELAY_TIME)
374 return false;
375
376 if (check_fwstate(pmlmepriv, WIFI_SITE_MONITOR)
377 || check_fwstate(pmlmepriv, WIFI_UNDER_LINKING|WIFI_UNDER_WPS)
378 || check_fwstate(pmlmepriv, WIFI_AP_STATE)
379 || check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE|WIFI_ADHOC_STATE)
380 || rtw_is_scan_deny(padapter)
381 )
382 return false;
383
384 if ((padapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) && (padapter->securitypriv.binstallGrpkey == false)) {
385 DBG_871X("Group handshake still in progress !!!\n");
386 return false;
387 }
388
389 if (!rtw_cfg80211_pwr_mgmt(padapter))
390 return false;
391
392 return true;
393}
394
395void rtw_set_ps_mode(struct adapter *padapter, u8 ps_mode, u8 smart_ps, u8 bcn_ant_mode, const char *msg)
396{
397 struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter);
398#if defined(CONFIG_WOWLAN) || defined(CONFIG_AP_WOWLAN)
399 struct debug_priv *pdbgpriv = &padapter->dvobj->drv_dbg;
400#endif
401
402 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_,
403 ("%s: PowerMode =%d Smart_PS =%d\n",
404 __func__, ps_mode, smart_ps));
405
406 if (ps_mode > PM_Card_Disable) {
407 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_err_, ("ps_mode:%d error\n", ps_mode));
408 return;
409 }
410
411 if (pwrpriv->pwr_mode == ps_mode)
412 if (PS_MODE_ACTIVE == ps_mode)
413 return;
414
415
07e3a844 416 mutex_lock(&pwrpriv->lock);
554c0a3a
HG		 417
418 /* if (pwrpriv->pwr_mode == PS_MODE_ACTIVE) */
419 if (ps_mode == PS_MODE_ACTIVE) {
420 if (1
606e33ce 421 && (((hal_btcoex_IsBtControlLps(padapter) == false)
554c0a3a 422 )
606e33ce 423 || ((hal_btcoex_IsBtControlLps(padapter) == true)
003e6cc3 424 && (hal_btcoex_IsLpsOn(padapter) == false))
554c0a3a
HG		 425 )
426 ) {
427 DBG_871X(FUNC_ADPT_FMT" Leave 802.11 power save - %s\n",
428 FUNC_ADPT_ARG(padapter), msg);
429
430 pwrpriv->pwr_mode = ps_mode;
431 rtw_set_rpwm(padapter, PS_STATE_S4);
432
433#if defined(CONFIG_WOWLAN) || defined(CONFIG_AP_WOWLAN)
434 if (pwrpriv->wowlan_mode == true ||
435 pwrpriv->wowlan_ap_mode == true) {
436 unsigned long start_time;
437 u32 delay_ms;
438 u8 val8;
439 delay_ms = 20;
440 start_time = jiffies;
441 do {
442 rtw_hal_get_hwreg(padapter, HW_VAR_SYS_CLKR, &val8);
443 if (!(val8 & BIT(4))) { /* 0x08 bit4 = 1 --> in 32k, bit4 = 0 --> leave 32k */
444 pwrpriv->cpwm = PS_STATE_S4;
445 break;
446 }
447 if (jiffies_to_msecs(jiffies - start_time) > delay_ms) {
448 DBG_871X("%s: Wait for FW 32K leave more than %u ms!!!\n",
449 __func__, delay_ms);
450 pdbgpriv->dbg_wow_leave_ps_fail_cnt++;
451 break;
452 }
453 msleep(1);
454 } while (1);
455 }
456#endif
457 rtw_hal_set_hwreg(padapter, HW_VAR_H2C_FW_PWRMODE, (u8 *)(&ps_mode));
458 pwrpriv->bFwCurrentInPSMode = false;
459
a6183154 460 hal_btcoex_LpsNotify(padapter, ps_mode);
554c0a3a 461 }
cb9a242c 462 } else {
554c0a3a 463 if ((PS_RDY_CHECK(padapter) && check_fwstate(&padapter->mlmepriv, WIFI_ASOC_STATE))
606e33ce 464 || ((hal_btcoex_IsBtControlLps(padapter) == true)
003e6cc3 465 && (hal_btcoex_IsLpsOn(padapter) == true))
554c0a3a
HG		 466 ) {
467 u8 pslv;
468
469 DBG_871X(FUNC_ADPT_FMT" Enter 802.11 power save - %s\n",
470 FUNC_ADPT_ARG(padapter), msg);
471
a6183154 472 hal_btcoex_LpsNotify(padapter, ps_mode);
554c0a3a
HG		 473
474 pwrpriv->bFwCurrentInPSMode = true;
475 pwrpriv->pwr_mode = ps_mode;
476 pwrpriv->smart_ps = smart_ps;
477 pwrpriv->bcn_ant_mode = bcn_ant_mode;
478 rtw_hal_set_hwreg(padapter, HW_VAR_H2C_FW_PWRMODE, (u8 *)(&ps_mode));
479
480 pslv = PS_STATE_S2;
481 if (pwrpriv->alives == 0)
482 pslv = PS_STATE_S0;
483
d1f4b780 484 if ((hal_btcoex_IsBtDisabled(padapter) == false)
606e33ce 485 && (hal_btcoex_IsBtControlLps(padapter) == true)) {
554c0a3a
HG		 486 u8 val8;
487
ee8e2ce5 488 val8 = hal_btcoex_LpsVal(padapter);
554c0a3a
HG		 489 if (val8 & BIT(4))
490 pslv = PS_STATE_S2;
491 }
492
493 rtw_set_rpwm(padapter, pslv);
494 }
495 }
496
07e3a844 497 mutex_unlock(&pwrpriv->lock);
554c0a3a
HG		 498}
499
500/*
501 * Return:
502 *0: Leave OK
503 *-1: Timeout
504 *-2: Other error
505 */
506s32 LPS_RF_ON_check(struct adapter *padapter, u32 delay_ms)
507{
508 unsigned long start_time;
509 u8 bAwake = false;
510 s32 err = 0;
511
512
513 start_time = jiffies;
514 while (1) {
515 rtw_hal_get_hwreg(padapter, HW_VAR_FWLPS_RF_ON, &bAwake);
516 if (true == bAwake)
517 break;
518
519 if (true == padapter->bSurpriseRemoved) {
520 err = -2;
521 DBG_871X("%s: device surprise removed!!\n", __func__);
522 break;
523 }
524
525 if (jiffies_to_msecs(jiffies - start_time) > delay_ms) {
526 err = -1;
527 DBG_871X("%s: Wait for FW LPS leave more than %u ms!!!\n", __func__, delay_ms);
528 break;
529 }
530 msleep(1);
531 }
532
533 return err;
534}
535
536/* */
537/* Description: */
538/* Enter the leisure power save mode. */
539/* */
540void LPS_Enter(struct adapter *padapter, const char *msg)
541{
542 struct dvobj_priv *dvobj = adapter_to_dvobj(padapter);
543 struct pwrctrl_priv *pwrpriv = dvobj_to_pwrctl(dvobj);
544 int n_assoc_iface = 0;
545 char buf[32] = {0};
546
606e33ce 547 if (hal_btcoex_IsBtControlLps(padapter) == true)
554c0a3a
HG		 548 return;
549
550 /* Skip lps enter request if number of assocated adapters is not 1 */
551 if (check_fwstate(&(dvobj->padapters->mlmepriv), WIFI_ASOC_STATE))
552 n_assoc_iface++;
553 if (n_assoc_iface != 1)
554 return;
555
556 /* Skip lps enter request for adapter not port0 */
557 if (get_iface_type(padapter) != IFACE_PORT0)
558 return;
559
560 if (PS_RDY_CHECK(dvobj->padapters) == false)
561 return;
562
563 if (pwrpriv->bLeisurePs) {
564 /* Idle for a while if we connect to AP a while ago. */
565 if (pwrpriv->LpsIdleCount >= 2) { /* 4 Sec */
566 if (pwrpriv->pwr_mode == PS_MODE_ACTIVE) {
567 sprintf(buf, "WIFI-%s", msg);
568 pwrpriv->bpower_saving = true;
569 rtw_set_ps_mode(padapter, pwrpriv->power_mgnt, padapter->registrypriv.smart_ps, 0, buf);
570 }
571 } else
572 pwrpriv->LpsIdleCount++;
573 }
574
575/* DBG_871X("-LeisurePSEnter\n"); */
576}
577
578/* */
579/* Description: */
580/* Leave the leisure power save mode. */
581/* */
582void LPS_Leave(struct adapter *padapter, const char *msg)
583{
584#define LPS_LEAVE_TIMEOUT_MS 100
585
586 struct dvobj_priv *dvobj = adapter_to_dvobj(padapter);
587 struct pwrctrl_priv *pwrpriv = dvobj_to_pwrctl(dvobj);
588 char buf[32] = {0};
589
590/* DBG_871X("+LeisurePSLeave\n"); */
591
606e33ce 592 if (hal_btcoex_IsBtControlLps(padapter) == true)
554c0a3a
HG		 593 return;
594
595 if (pwrpriv->bLeisurePs) {
596 if (pwrpriv->pwr_mode != PS_MODE_ACTIVE) {
597 sprintf(buf, "WIFI-%s", msg);
598 rtw_set_ps_mode(padapter, PS_MODE_ACTIVE, 0, 0, buf);
599
600 if (pwrpriv->pwr_mode == PS_MODE_ACTIVE)
601 LPS_RF_ON_check(padapter, LPS_LEAVE_TIMEOUT_MS);
602 }
603 }
604
605 pwrpriv->bpower_saving = false;
606/* DBG_871X("-LeisurePSLeave\n"); */
607
608}
609
610void LeaveAllPowerSaveModeDirect(struct adapter *Adapter)
611{
612 struct adapter *pri_padapter = GET_PRIMARY_ADAPTER(Adapter);
613 struct mlme_priv *pmlmepriv = &(Adapter->mlmepriv);
614 struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(Adapter);
615
616 DBG_871X("%s.....\n", __func__);
617
618 if (true == Adapter->bSurpriseRemoved) {
619 DBG_871X(FUNC_ADPT_FMT ": bSurpriseRemoved =%d Skip!\n",
620 FUNC_ADPT_ARG(Adapter), Adapter->bSurpriseRemoved);
621 return;
622 }
623
624 if ((check_fwstate(pmlmepriv, _FW_LINKED) == true)) { /* connect */
625
626 if (pwrpriv->pwr_mode == PS_MODE_ACTIVE) {
627 DBG_871X("%s: Driver Already Leave LPS\n", __func__);
628 return;
629 }
630
07e3a844 631 mutex_lock(&pwrpriv->lock);
554c0a3a
HG		 632
633 rtw_set_rpwm(Adapter, PS_STATE_S4);
634
07e3a844 635 mutex_unlock(&pwrpriv->lock);
554c0a3a
HG		 636
637 rtw_lps_ctrl_wk_cmd(pri_padapter, LPS_CTRL_LEAVE, 0);
cb9a242c 638 } else {
554c0a3a
HG		 639 if (pwrpriv->rf_pwrstate == rf_off)
640 if (false == ips_leave(pri_padapter))
641 DBG_871X("======> ips_leave fail.............\n");
642 }
643}
644
645/* */
646/* Description: Leave all power save mode: LPS, FwLPS, IPS if needed. */
647/* Move code to function by tynli. 2010.03.26. */
648/* */
649void LeaveAllPowerSaveMode(struct adapter *Adapter)
650{
651 struct dvobj_priv *dvobj = adapter_to_dvobj(Adapter);
652 u8 enqueue = 0;
653 int n_assoc_iface = 0;
654
655 if (!Adapter->bup) {
656 DBG_871X(FUNC_ADPT_FMT ": bup =%d Skip!\n",
657 FUNC_ADPT_ARG(Adapter), Adapter->bup);
658 return;
659 }
660
661 if (Adapter->bSurpriseRemoved) {
662 DBG_871X(FUNC_ADPT_FMT ": bSurpriseRemoved =%d Skip!\n",
663 FUNC_ADPT_ARG(Adapter), Adapter->bSurpriseRemoved);
664 return;
665 }
666
667 if (check_fwstate(&(dvobj->padapters->mlmepriv), WIFI_ASOC_STATE))
668 n_assoc_iface++;
669
670 if (n_assoc_iface) { /* connect */
671 enqueue = 1;
672
673 rtw_lps_ctrl_wk_cmd(Adapter, LPS_CTRL_LEAVE, enqueue);
674
675 LPS_Leave_check(Adapter);
676 } else {
677 if (adapter_to_pwrctl(Adapter)->rf_pwrstate == rf_off) {
678 if (false == ips_leave(Adapter))
679 DBG_871X("======> ips_leave fail.............\n");
680 }
681 }
682}
683
684void LPS_Leave_check(
685 struct adapter *padapter)
686{
687 struct pwrctrl_priv *pwrpriv;
688 unsigned long start_time;
689 u8 bReady;
690
691 pwrpriv = adapter_to_pwrctl(padapter);
692
693 bReady = false;
694 start_time = jiffies;
695
049b5e2a 696 cond_resched();
554c0a3a
HG		 697
698 while (1) {
07e3a844 699 mutex_lock(&pwrpriv->lock);
554c0a3a
HG		 700
701 if ((padapter->bSurpriseRemoved == true)
702 || (padapter->hw_init_completed == false)
703 || (pwrpriv->pwr_mode == PS_MODE_ACTIVE)
704 )
705 bReady = true;
706
07e3a844 707 mutex_unlock(&pwrpriv->lock);
554c0a3a
HG		 708
709 if (true == bReady)
710 break;
711
712 if (jiffies_to_msecs(jiffies - start_time) > 100) {
713 DBG_871X("Wait for cpwm event than 100 ms!!!\n");
714 break;
715 }
716 msleep(1);
717 }
718}
719
720/*
721 * Caller:ISR handler...
722 *
723 * This will be called when CPWM interrupt is up.
724 *
725 * using to update cpwn of drv; and drv willl make a decision to up or down pwr level
726 */
727void cpwm_int_hdl(
728 struct adapter *padapter,
729 struct reportpwrstate_parm *preportpwrstate)
730{
731 struct pwrctrl_priv *pwrpriv;
732
733 pwrpriv = adapter_to_pwrctl(padapter);
734
07e3a844 735 mutex_lock(&pwrpriv->lock);
554c0a3a
HG		 736
737 if (pwrpriv->rpwm < PS_STATE_S2) {
738 DBG_871X("%s: Redundant CPWM Int. RPWM = 0x%02X CPWM = 0x%02x\n", __func__, pwrpriv->rpwm, pwrpriv->cpwm);
554c0a3a
HG		 739 goto exit;
740 }
741
742 pwrpriv->cpwm = PS_STATE(preportpwrstate->state);
743 pwrpriv->cpwm_tog = preportpwrstate->state & PS_TOGGLE;
744
745 if (pwrpriv->cpwm >= PS_STATE_S2) {
746 if (pwrpriv->alives & CMD_ALIVE)
09a8ea34 747 complete(&padapter->cmdpriv.cmd_queue_comp);
554c0a3a
HG		 748
749 if (pwrpriv->alives & XMIT_ALIVE)
09a8ea34 750 complete(&padapter->xmitpriv.xmit_comp);
554c0a3a
HG		 751 }
752
554c0a3a 753exit:
07e3a844
AB		 754 mutex_unlock(&pwrpriv->lock);
755
554c0a3a
HG		 756 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_,
757 ("cpwm_int_hdl: cpwm = 0x%02x\n", pwrpriv->cpwm));
758}
759
760static void cpwm_event_callback(struct work_struct *work)
761{
762 struct pwrctrl_priv *pwrpriv = container_of(work, struct pwrctrl_priv, cpwm_event);
763 struct dvobj_priv *dvobj = pwrctl_to_dvobj(pwrpriv);
764 struct adapter *adapter = dvobj->if1;
765 struct reportpwrstate_parm report;
766
767 /* DBG_871X("%s\n", __func__); */
768
769 report.state = PS_STATE_S2;
770 cpwm_int_hdl(adapter, &report);
771}
772
773static void rpwmtimeout_workitem_callback(struct work_struct *work)
774{
775 struct adapter *padapter;
776 struct dvobj_priv *dvobj;
777 struct pwrctrl_priv *pwrpriv;
778
779
780 pwrpriv = container_of(work, struct pwrctrl_priv, rpwmtimeoutwi);
781 dvobj = pwrctl_to_dvobj(pwrpriv);
782 padapter = dvobj->if1;
783/* DBG_871X("+%s: rpwm = 0x%02X cpwm = 0x%02X\n", __func__, pwrpriv->rpwm, pwrpriv->cpwm); */
784
07e3a844 785 mutex_lock(&pwrpriv->lock);
554c0a3a
HG		 786 if ((pwrpriv->rpwm == pwrpriv->cpwm) || (pwrpriv->cpwm >= PS_STATE_S2)) {
787 DBG_871X("%s: rpwm = 0x%02X cpwm = 0x%02X CPWM done!\n", __func__, pwrpriv->rpwm, pwrpriv->cpwm);
788 goto exit;
789 }
07e3a844 790 mutex_unlock(&pwrpriv->lock);
554c0a3a
HG		 791
792 if (rtw_read8(padapter, 0x100) != 0xEA) {
793 struct reportpwrstate_parm report;
794
795 report.state = PS_STATE_S2;
796 DBG_871X("\n%s: FW already leave 32K!\n\n", __func__);
797 cpwm_int_hdl(padapter, &report);
798
799 return;
800 }
801
07e3a844 802 mutex_lock(&pwrpriv->lock);
554c0a3a
HG		 803
804 if ((pwrpriv->rpwm == pwrpriv->cpwm) || (pwrpriv->cpwm >= PS_STATE_S2)) {
805 DBG_871X("%s: cpwm =%d, nothing to do!\n", __func__, pwrpriv->cpwm);
806 goto exit;
807 }
808 pwrpriv->brpwmtimeout = true;
809 rtw_set_rpwm(padapter, pwrpriv->rpwm);
810 pwrpriv->brpwmtimeout = false;
811
812exit:
07e3a844 813 mutex_unlock(&pwrpriv->lock);
554c0a3a
HG		 814}
815
816/*
817 * This function is a timer handler, can't do any IO in it.
818 */
e8b1844a 819static void pwr_rpwm_timeout_handler(struct timer_list *t)
554c0a3a 820{
e8b1844a 821 struct pwrctrl_priv *pwrpriv = from_timer(pwrpriv, t, pwr_rpwm_timer);
554c0a3a 822
554c0a3a
HG		 823 DBG_871X("+%s: rpwm = 0x%02X cpwm = 0x%02X\n", __func__, pwrpriv->rpwm, pwrpriv->cpwm);
824
825 if ((pwrpriv->rpwm == pwrpriv->cpwm) || (pwrpriv->cpwm >= PS_STATE_S2)) {
826 DBG_871X("+%s: cpwm =%d, nothing to do!\n", __func__, pwrpriv->cpwm);
827 return;
828 }
829
830 _set_workitem(&pwrpriv->rpwmtimeoutwi);
831}
832
8b160b18 833static inline void register_task_alive(struct pwrctrl_priv *pwrctrl, u32 tag)
554c0a3a
HG		 834{
835 pwrctrl->alives |= tag;
836}
837
8b160b18 838static inline void unregister_task_alive(struct pwrctrl_priv *pwrctrl, u32 tag)
554c0a3a
HG		 839{
840 pwrctrl->alives &= ~tag;
841}
842
843
844/*
845 * Description:
846 *Check if the fw_pwrstate is okay for I/O.
847 *If not (cpwm is less than S2), then the sub-routine
848 *will raise the cpwm to be greater than or equal to S2.
849 *
850 *Calling Context: Passive
851 *
852 *Constraint:
853 * 1. this function will request pwrctrl->lock
854 *
855 * Return Value:
856 *_SUCCESS hardware is ready for I/O
857 *_FAIL can't I/O right now
858 */
859s32 rtw_register_task_alive(struct adapter *padapter, u32 task)
860{
861 s32 res;
862 struct pwrctrl_priv *pwrctrl;
863 u8 pslv;
864
865 res = _SUCCESS;
866 pwrctrl = adapter_to_pwrctl(padapter);
867 pslv = PS_STATE_S2;
868
07e3a844 869 mutex_lock(&pwrctrl->lock);
554c0a3a
HG		 870
871 register_task_alive(pwrctrl, task);
872
873 if (pwrctrl->bFwCurrentInPSMode == true) {
874 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_,
875 ("%s: task = 0x%x cpwm = 0x%02x alives = 0x%08x\n",
876 __func__, task, pwrctrl->cpwm, pwrctrl->alives));
877
878 if (pwrctrl->cpwm < pslv) {
879 if (pwrctrl->cpwm < PS_STATE_S2)
880 res = _FAIL;
881 if (pwrctrl->rpwm < pslv)
882 rtw_set_rpwm(padapter, pslv);
883 }
884 }
885
07e3a844 886 mutex_unlock(&pwrctrl->lock);
554c0a3a
HG		 887
888 if (_FAIL == res)
889 if (pwrctrl->cpwm >= PS_STATE_S2)
890 res = _SUCCESS;
891
892 return res;
893}
894
895/*
896 * Description:
897 *If task is done, call this func. to power down firmware again.
898 *
899 *Constraint:
900 * 1. this function will request pwrctrl->lock
901 *
902 * Return Value:
903 *none
904 */
905void rtw_unregister_task_alive(struct adapter *padapter, u32 task)
906{
907 struct pwrctrl_priv *pwrctrl;
908 u8 pslv;
909
910 pwrctrl = adapter_to_pwrctl(padapter);
911 pslv = PS_STATE_S0;
912
d1f4b780 913 if ((hal_btcoex_IsBtDisabled(padapter) == false)
606e33ce 914 && (hal_btcoex_IsBtControlLps(padapter) == true)) {
554c0a3a
HG		 915 u8 val8;
916
ee8e2ce5 917 val8 = hal_btcoex_LpsVal(padapter);
554c0a3a
HG		 918 if (val8 & BIT(4))
919 pslv = PS_STATE_S2;
920 }
921
07e3a844 922 mutex_lock(&pwrctrl->lock);
554c0a3a
HG		 923
924 unregister_task_alive(pwrctrl, task);
925
926 if ((pwrctrl->pwr_mode != PS_MODE_ACTIVE)
927 && (pwrctrl->bFwCurrentInPSMode == true)) {
928 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_,
929 ("%s: cpwm = 0x%02x alives = 0x%08x\n",
930 __func__, pwrctrl->cpwm, pwrctrl->alives));
931
932 if (pwrctrl->cpwm > pslv)
933 if ((pslv >= PS_STATE_S2) || (pwrctrl->alives == 0))
934 rtw_set_rpwm(padapter, pslv);
935
936 }
937
07e3a844 938 mutex_unlock(&pwrctrl->lock);
554c0a3a
HG		 939}
940
941/*
942 * Caller: rtw_xmit_thread
943 *
944 * Check if the fw_pwrstate is okay for xmit.
945 * If not (cpwm is less than S3), then the sub-routine
946 * will raise the cpwm to be greater than or equal to S3.
947 *
948 * Calling Context: Passive
949 *
950 * Return Value:
951 * _SUCCESS rtw_xmit_thread can write fifo/txcmd afterwards.
952 * _FAIL rtw_xmit_thread can not do anything.
953 */
954s32 rtw_register_tx_alive(struct adapter *padapter)
955{
956 s32 res;
957 struct pwrctrl_priv *pwrctrl;
958 u8 pslv;
959
960 res = _SUCCESS;
961 pwrctrl = adapter_to_pwrctl(padapter);
962 pslv = PS_STATE_S2;
963
07e3a844 964 mutex_lock(&pwrctrl->lock);
554c0a3a
HG		 965
966 register_task_alive(pwrctrl, XMIT_ALIVE);
967
968 if (pwrctrl->bFwCurrentInPSMode == true) {
969 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_,
970 ("rtw_register_tx_alive: cpwm = 0x%02x alives = 0x%08x\n",
971 pwrctrl->cpwm, pwrctrl->alives));
972
973 if (pwrctrl->cpwm < pslv) {
974 if (pwrctrl->cpwm < PS_STATE_S2)
975 res = _FAIL;
976 if (pwrctrl->rpwm < pslv)
977 rtw_set_rpwm(padapter, pslv);
978 }
979 }
980
07e3a844 981 mutex_unlock(&pwrctrl->lock);
554c0a3a
HG		 982
983 if (_FAIL == res)
984 if (pwrctrl->cpwm >= PS_STATE_S2)
985 res = _SUCCESS;
986
987 return res;
988}
989
990/*
991 * Caller: rtw_cmd_thread
992 *
993 * Check if the fw_pwrstate is okay for issuing cmd.
994 * If not (cpwm should be is less than S2), then the sub-routine
995 * will raise the cpwm to be greater than or equal to S2.
996 *
997 * Calling Context: Passive
998 *
999 * Return Value:
1000 *_SUCCESS rtw_cmd_thread can issue cmds to firmware afterwards.
1001 *_FAIL rtw_cmd_thread can not do anything.
1002 */
1003s32 rtw_register_cmd_alive(struct adapter *padapter)
1004{
1005 s32 res;
1006 struct pwrctrl_priv *pwrctrl;
1007 u8 pslv;
1008
1009 res = _SUCCESS;
1010 pwrctrl = adapter_to_pwrctl(padapter);
1011 pslv = PS_STATE_S2;
1012
07e3a844 1013 mutex_lock(&pwrctrl->lock);
554c0a3a
HG		 1014
1015 register_task_alive(pwrctrl, CMD_ALIVE);
1016
1017 if (pwrctrl->bFwCurrentInPSMode == true) {
1018 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_info_,
1019 ("rtw_register_cmd_alive: cpwm = 0x%02x alives = 0x%08x\n",
1020 pwrctrl->cpwm, pwrctrl->alives));
1021
1022 if (pwrctrl->cpwm < pslv) {
1023 if (pwrctrl->cpwm < PS_STATE_S2)
1024 res = _FAIL;
1025 if (pwrctrl->rpwm < pslv)
1026 rtw_set_rpwm(padapter, pslv);
1027 }
1028 }
1029
07e3a844 1030 mutex_unlock(&pwrctrl->lock);
554c0a3a
HG		 1031
1032 if (_FAIL == res)
1033 if (pwrctrl->cpwm >= PS_STATE_S2)
1034 res = _SUCCESS;
1035
1036 return res;
1037}
1038
1039/*
1040 * Caller: ISR
1041 *
1042 * If ISR's txdone,
1043 * No more pkts for TX,
1044 * Then driver shall call this fun. to power down firmware again.
1045 */
1046void rtw_unregister_tx_alive(struct adapter *padapter)
1047{
1048 struct pwrctrl_priv *pwrctrl;
1049 u8 pslv;
1050
1051 pwrctrl = adapter_to_pwrctl(padapter);
1052 pslv = PS_STATE_S0;
1053
d1f4b780 1054 if ((hal_btcoex_IsBtDisabled(padapter) == false)
606e33ce 1055 && (hal_btcoex_IsBtControlLps(padapter) == true)) {
554c0a3a
HG		 1056 u8 val8;
1057
ee8e2ce5 1058 val8 = hal_btcoex_LpsVal(padapter);
554c0a3a
HG		 1059 if (val8 & BIT(4))
1060 pslv = PS_STATE_S2;
1061 }
1062
07e3a844 1063 mutex_lock(&pwrctrl->lock);
554c0a3a
HG		 1064
1065 unregister_task_alive(pwrctrl, XMIT_ALIVE);
1066
1067 if ((pwrctrl->pwr_mode != PS_MODE_ACTIVE)
1068 && (pwrctrl->bFwCurrentInPSMode == true)) {
1069 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_,
1070 ("%s: cpwm = 0x%02x alives = 0x%08x\n",
1071 __func__, pwrctrl->cpwm, pwrctrl->alives));
1072
1073 if (pwrctrl->cpwm > pslv)
1074 if ((pslv >= PS_STATE_S2) || (pwrctrl->alives == 0))
1075 rtw_set_rpwm(padapter, pslv);
1076 }
1077
07e3a844 1078 mutex_unlock(&pwrctrl->lock);
554c0a3a
HG		 1079}
1080
1081/*
1082 * Caller: ISR
1083 *
1084 * If all commands have been done,
1085 * and no more command to do,
1086 * then driver shall call this fun. to power down firmware again.
1087 */
1088void rtw_unregister_cmd_alive(struct adapter *padapter)
1089{
1090 struct pwrctrl_priv *pwrctrl;
1091 u8 pslv;
1092
1093 pwrctrl = adapter_to_pwrctl(padapter);
1094 pslv = PS_STATE_S0;
1095
d1f4b780 1096 if ((hal_btcoex_IsBtDisabled(padapter) == false)
606e33ce 1097 && (hal_btcoex_IsBtControlLps(padapter) == true)) {
554c0a3a
HG		 1098 u8 val8;
1099
ee8e2ce5 1100 val8 = hal_btcoex_LpsVal(padapter);
554c0a3a
HG		 1101 if (val8 & BIT(4))
1102 pslv = PS_STATE_S2;
1103 }
1104
07e3a844 1105 mutex_lock(&pwrctrl->lock);
554c0a3a
HG		 1106
1107 unregister_task_alive(pwrctrl, CMD_ALIVE);
1108
1109 if ((pwrctrl->pwr_mode != PS_MODE_ACTIVE)
1110 && (pwrctrl->bFwCurrentInPSMode == true)) {
1111 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_info_,
1112 ("%s: cpwm = 0x%02x alives = 0x%08x\n",
1113 __func__, pwrctrl->cpwm, pwrctrl->alives));
1114
1115 if (pwrctrl->cpwm > pslv) {
1116 if ((pslv >= PS_STATE_S2) || (pwrctrl->alives == 0))
1117 rtw_set_rpwm(padapter, pslv);
1118 }
1119 }
1120
07e3a844 1121 mutex_unlock(&pwrctrl->lock);
554c0a3a
HG		 1122}
1123
1124void rtw_init_pwrctrl_priv(struct adapter *padapter)
1125{
1126 struct pwrctrl_priv *pwrctrlpriv = adapter_to_pwrctl(padapter);
1127
07e3a844 1128 mutex_init(&pwrctrlpriv->lock);
554c0a3a
HG		 1129 pwrctrlpriv->rf_pwrstate = rf_on;
1130 pwrctrlpriv->ips_enter_cnts = 0;
1131 pwrctrlpriv->ips_leave_cnts = 0;
1132 pwrctrlpriv->bips_processing = false;
1133
1134 pwrctrlpriv->ips_mode = padapter->registrypriv.ips_mode;
1135 pwrctrlpriv->ips_mode_req = padapter->registrypriv.ips_mode;
1136
1137 pwrctrlpriv->pwr_state_check_interval = RTW_PWR_STATE_CHK_INTERVAL;
1138 pwrctrlpriv->pwr_state_check_cnts = 0;
1139 pwrctrlpriv->bInternalAutoSuspend = false;
1140 pwrctrlpriv->bInSuspend = false;
1141 pwrctrlpriv->bkeepfwalive = false;
1142
1143 pwrctrlpriv->LpsIdleCount = 0;
1144 pwrctrlpriv->power_mgnt = padapter->registrypriv.power_mgnt;/* PS_MODE_MIN; */
95b3b423 1145 pwrctrlpriv->bLeisurePs = pwrctrlpriv->power_mgnt != PS_MODE_ACTIVE;
554c0a3a
HG		 1146
1147 pwrctrlpriv->bFwCurrentInPSMode = false;
1148
1149 pwrctrlpriv->rpwm = 0;
1150 pwrctrlpriv->cpwm = PS_STATE_S4;
1151
1152 pwrctrlpriv->pwr_mode = PS_MODE_ACTIVE;
1153 pwrctrlpriv->smart_ps = padapter->registrypriv.smart_ps;
1154 pwrctrlpriv->bcn_ant_mode = 0;
1155 pwrctrlpriv->dtim = 0;
1156
1157 pwrctrlpriv->tog = 0x80;
1158
1159 rtw_hal_set_hwreg(padapter, HW_VAR_SET_RPWM, (u8 *)(&pwrctrlpriv->rpwm));
1160
1161 _init_workitem(&pwrctrlpriv->cpwm_event, cpwm_event_callback, NULL);
1162
1163 pwrctrlpriv->brpwmtimeout = false;
e8b1844a 1164 pwrctrlpriv->adapter = padapter;
554c0a3a 1165 _init_workitem(&pwrctrlpriv->rpwmtimeoutwi, rpwmtimeout_workitem_callback, NULL);
e8b1844a
KC		 1166 timer_setup(&pwrctrlpriv->pwr_rpwm_timer, pwr_rpwm_timeout_handler, 0);
1167 timer_setup(&pwrctrlpriv->pwr_state_check_timer,
1168 pwr_state_check_handler, 0);
554c0a3a
HG		 1169
1170 pwrctrlpriv->wowlan_mode = false;
1171 pwrctrlpriv->wowlan_ap_mode = false;
1172
1173#ifdef CONFIG_PNO_SUPPORT
1174 pwrctrlpriv->pno_inited = false;
1175 pwrctrlpriv->pnlo_info = NULL;
1176 pwrctrlpriv->pscan_info = NULL;
1177 pwrctrlpriv->pno_ssid_list = NULL;
1178 pwrctrlpriv->pno_in_resume = true;
1179#endif
1180}
1181
1182
1183void rtw_free_pwrctrl_priv(struct adapter *adapter)
1184{
554c0a3a
HG		 1185#ifdef CONFIG_PNO_SUPPORT
1186 if (pwrctrlpriv->pnlo_info != NULL)
1187 printk("****** pnlo_info memory leak********\n");
1188
1189 if (pwrctrlpriv->pscan_info != NULL)
1190 printk("****** pscan_info memory leak********\n");
1191
1192 if (pwrctrlpriv->pno_ssid_list != NULL)
1193 printk("****** pno_ssid_list memory leak********\n");
1194#endif
1195}
1196
1197inline void rtw_set_ips_deny(struct adapter *padapter, u32 ms)
1198{
1199 struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter);
1200 pwrpriv->ips_deny_time = jiffies + msecs_to_jiffies(ms);
1201}
1202
1203/*
1204* rtw_pwr_wakeup - Wake the NIC up from: 1)IPS. 2)USB autosuspend
1205* @adapter: pointer to struct adapter structure
1206* @ips_deffer_ms: the ms wiil prevent from falling into IPS after wakeup
1207* Return _SUCCESS or _FAIL
1208*/
1209
1210int _rtw_pwr_wakeup(struct adapter *padapter, u32 ips_deffer_ms, const char *caller)
1211{
1212 struct dvobj_priv *dvobj = adapter_to_dvobj(padapter);
1213 struct pwrctrl_priv *pwrpriv = dvobj_to_pwrctl(dvobj);
1214 struct mlme_priv *pmlmepriv;
1215 int ret = _SUCCESS;
1216 unsigned long start = jiffies;
1217 unsigned long deny_time = jiffies + msecs_to_jiffies(ips_deffer_ms);
1218
1219 /* for LPS */
1220 LeaveAllPowerSaveMode(padapter);
1221
1222 /* IPS still bound with primary adapter */
1223 padapter = GET_PRIMARY_ADAPTER(padapter);
1224 pmlmepriv = &padapter->mlmepriv;
1225
1226 if (time_before(pwrpriv->ips_deny_time, deny_time))
1227 pwrpriv->ips_deny_time = deny_time;
1228
1229
1230 if (pwrpriv->ps_processing) {
1231 DBG_871X("%s wait ps_processing...\n", __func__);
1232 while (pwrpriv->ps_processing && jiffies_to_msecs(jiffies - start) <= 3000)
8204b61a 1233 mdelay(10);
554c0a3a
HG		 1234 if (pwrpriv->ps_processing)
1235 DBG_871X("%s wait ps_processing timeout\n", __func__);
1236 else
1237 DBG_871X("%s wait ps_processing done\n", __func__);
1238 }
1239
1240 if (pwrpriv->bInternalAutoSuspend == false && pwrpriv->bInSuspend) {
1241 DBG_871X("%s wait bInSuspend...\n", __func__);
1242 while (pwrpriv->bInSuspend
1243 && jiffies_to_msecs(jiffies - start) <= 3000
1244 ) {
8204b61a 1245 mdelay(10);
554c0a3a
HG		 1246 }
1247 if (pwrpriv->bInSuspend)
1248 DBG_871X("%s wait bInSuspend timeout\n", __func__);
1249 else
1250 DBG_871X("%s wait bInSuspend done\n", __func__);
1251 }
1252
1253 /* System suspend is not allowed to wakeup */
1254 if ((pwrpriv->bInternalAutoSuspend == false) && (true == pwrpriv->bInSuspend)) {
1255 ret = _FAIL;
1256 goto exit;
1257 }
1258
1259 /* block??? */
1260 if ((pwrpriv->bInternalAutoSuspend == true) && (padapter->net_closed == true)) {
1261 ret = _FAIL;
1262 goto exit;
1263 }
1264
1265 /* I think this should be check in IPS, LPS, autosuspend functions... */
1266 if (check_fwstate(pmlmepriv, _FW_LINKED) == true) {
1267 ret = _SUCCESS;
1268 goto exit;
1269 }
1270
1271 if (rf_off == pwrpriv->rf_pwrstate) {
1272 {
1273 DBG_8192C("%s call ips_leave....\n", __func__);
1274 if (_FAIL == ips_leave(padapter)) {
1275 DBG_8192C("======> ips_leave fail.............\n");
1276 ret = _FAIL;
1277 goto exit;
1278 }
1279 }
1280 }
1281
1282 /* TODO: the following checking need to be merged... */
1283 if (padapter->bDriverStopped
1284 || !padapter->bup
1285 || !padapter->hw_init_completed
1286 ) {
1287 DBG_8192C("%s: bDriverStopped =%d, bup =%d, hw_init_completed =%u\n"
1288 , caller
1289 , padapter->bDriverStopped
1290 , padapter->bup
1291 , padapter->hw_init_completed);
1292 ret = false;
1293 goto exit;
1294 }
1295
1296exit:
1297 deny_time = jiffies + msecs_to_jiffies(ips_deffer_ms);
1298 if (time_before(pwrpriv->ips_deny_time, deny_time))
1299 pwrpriv->ips_deny_time = deny_time;
1300 return ret;
1301
1302}
1303
1304int rtw_pm_set_lps(struct adapter *padapter, u8 mode)
1305{
1306 int ret = 0;
1307 struct pwrctrl_priv *pwrctrlpriv = adapter_to_pwrctl(padapter);
1308
1309 if (mode < PS_MODE_NUM) {
1310 if (pwrctrlpriv->power_mgnt != mode) {
1311 if (PS_MODE_ACTIVE == mode)
1312 LeaveAllPowerSaveMode(padapter);
1313 else
1314 pwrctrlpriv->LpsIdleCount = 2;
1315
1316 pwrctrlpriv->power_mgnt = mode;
95b3b423
AG		 1317 pwrctrlpriv->bLeisurePs =
1318 pwrctrlpriv->power_mgnt != PS_MODE_ACTIVE;
554c0a3a
HG		 1319 }
1320 } else
1321 ret = -EINVAL;
1322
1323 return ret;
1324}
1325
1326int rtw_pm_set_ips(struct adapter *padapter, u8 mode)
1327{
1328 struct pwrctrl_priv *pwrctrlpriv = adapter_to_pwrctl(padapter);
1329
1330 if (mode == IPS_NORMAL || mode == IPS_LEVEL_2) {
1331 rtw_ips_mode_req(pwrctrlpriv, mode);
1332 DBG_871X("%s %s\n", __func__, mode == IPS_NORMAL?"IPS_NORMAL":"IPS_LEVEL_2");
1333 return 0;
1334 } else if (mode == IPS_NONE) {
1335 rtw_ips_mode_req(pwrctrlpriv, mode);
1336 DBG_871X("%s %s\n", __func__, "IPS_NONE");
1337 if ((padapter->bSurpriseRemoved == 0) && (_FAIL == rtw_pwr_wakeup(padapter)))
1338 return -EFAULT;
1339 } else
1340 return -EINVAL;
1341
1342 return 0;
1343}
1344
1345/*
1346 * ATTENTION:
1347 *This function will request pwrctrl LOCK!
1348 */
1349void rtw_ps_deny(struct adapter *padapter, enum PS_DENY_REASON reason)
1350{
1351 struct pwrctrl_priv *pwrpriv;
1352
1353/* DBG_871X("+" FUNC_ADPT_FMT ": Request PS deny for %d (0x%08X)\n", */
1354/* FUNC_ADPT_ARG(padapter), reason, BIT(reason)); */
1355
1356 pwrpriv = adapter_to_pwrctl(padapter);
1357
07e3a844 1358 mutex_lock(&pwrpriv->lock);
554c0a3a
HG		 1359 if (pwrpriv->ps_deny & BIT(reason)) {
1360 DBG_871X(FUNC_ADPT_FMT ": [WARNING] Reason %d had been set before!!\n",
1361 FUNC_ADPT_ARG(padapter), reason);
1362 }
1363 pwrpriv->ps_deny |= BIT(reason);
07e3a844 1364 mutex_unlock(&pwrpriv->lock);
554c0a3a
HG		 1365
1366/* DBG_871X("-" FUNC_ADPT_FMT ": Now PS deny for 0x%08X\n", */
1367/* FUNC_ADPT_ARG(padapter), pwrpriv->ps_deny); */
1368}
1369
1370/*
1371 * ATTENTION:
1372 *This function will request pwrctrl LOCK!
1373 */
1374void rtw_ps_deny_cancel(struct adapter *padapter, enum PS_DENY_REASON reason)
1375{
1376 struct pwrctrl_priv *pwrpriv;
1377
1378
1379/* DBG_871X("+" FUNC_ADPT_FMT ": Cancel PS deny for %d(0x%08X)\n", */
1380/* FUNC_ADPT_ARG(padapter), reason, BIT(reason)); */
1381
1382 pwrpriv = adapter_to_pwrctl(padapter);
1383
07e3a844 1384 mutex_lock(&pwrpriv->lock);
554c0a3a
HG		 1385 if ((pwrpriv->ps_deny & BIT(reason)) == 0) {
1386 DBG_871X(FUNC_ADPT_FMT ": [ERROR] Reason %d had been canceled before!!\n",
1387 FUNC_ADPT_ARG(padapter), reason);
1388 }
1389 pwrpriv->ps_deny &= ~BIT(reason);
07e3a844 1390 mutex_unlock(&pwrpriv->lock);
554c0a3a
HG		 1391
1392/* DBG_871X("-" FUNC_ADPT_FMT ": Now PS deny for 0x%08X\n", */
1393/* FUNC_ADPT_ARG(padapter), pwrpriv->ps_deny); */
1394}
1395
1396/*
1397 * ATTENTION:
1398 *Before calling this function pwrctrl lock should be occupied already,
1399 *otherwise it may return incorrect value.
1400 */
1401u32 rtw_ps_deny_get(struct adapter *padapter)
1402{
1403 u32 deny;
1404
1405
1406 deny = adapter_to_pwrctl(padapter)->ps_deny;
1407
1408 return deny;
1409}
Linux 6.x block layer and io_uring tree(s)