1 // SPDX-License-Identifier: GPL-2.0
2 /******************************************************************************
3 *
4 * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
5 *
6 ******************************************************************************/
7
8 #include <drv_types.h>
9 #include "rtw_led.h"
10
11 /* */
12 /* Description: */
13 /* Callback function of LED BlinkTimer, */
14 /* it just schedules to corresponding BlinkWorkItem/led_blink_hdl */
15 /* */
BlinkTimerCallback(struct timer_list * t)16 static void BlinkTimerCallback(struct timer_list *t)
17 {
18 struct LED_871x *pLed = from_timer(pLed, t, BlinkTimer);
19 struct adapter *padapter = pLed->padapter;
20
21 if ((padapter->bSurpriseRemoved) || (padapter->bDriverStopped))
22 return;
23
24 schedule_work(&pLed->BlinkWorkItem);
25 }
26
27 /* */
28 /* Description: */
29 /* Callback function of LED BlinkWorkItem. */
30 /* */
BlinkWorkItemCallback(struct work_struct * work)31 void BlinkWorkItemCallback(struct work_struct *work)
32 {
33 struct LED_871x *pLed = container_of(work, struct LED_871x,
34 BlinkWorkItem);
35
36 BlinkHandler(pLed);
37 }
38
39 /* */
40 /* Description: */
41 /* Reset status of LED_871x object. */
42 /* */
ResetLedStatus(struct LED_871x * pLed)43 void ResetLedStatus(struct LED_871x *pLed)
44 {
45 pLed->CurrLedState = RTW_LED_OFF; /* Current LED state. */
46 pLed->bLedOn = false; /* true if LED is ON, false if LED is OFF. */
47
48 pLed->bLedBlinkInProgress = false; /* true if it is blinking, false o.w.. */
49 pLed->bLedWPSBlinkInProgress = false;
50
51 pLed->BlinkTimes = 0; /* Number of times to toggle led state for blinking. */
52 pLed->BlinkingLedState = LED_UNKNOWN; /* Next state for blinking, either RTW_LED_ON or RTW_LED_OFF are. */
53
54 pLed->bLedNoLinkBlinkInProgress = false;
55 pLed->bLedLinkBlinkInProgress = false;
56 pLed->bLedScanBlinkInProgress = false;
57 }
58
59 /*Description: */
60 /* Initialize an LED_871x object. */
InitLed871x(struct adapter * padapter,struct LED_871x * pLed)61 void InitLed871x(struct adapter *padapter, struct LED_871x *pLed)
62 {
63 pLed->padapter = padapter;
64
65 ResetLedStatus(pLed);
66
67 timer_setup(&pLed->BlinkTimer, BlinkTimerCallback, 0);
68
69 INIT_WORK(&pLed->BlinkWorkItem, BlinkWorkItemCallback);
70 }
71
72 /* */
73 /* Description: */
74 /* DeInitialize an LED_871x object. */
75 /* */
DeInitLed871x(struct LED_871x * pLed)76 void DeInitLed871x(struct LED_871x *pLed)
77 {
78 cancel_work_sync(&pLed->BlinkWorkItem);
79 del_timer_sync(&pLed->BlinkTimer);
80 ResetLedStatus(pLed);
81 }
82
83 /* */
84 /* Description: */
85 /* Implementation of LED blinking behavior. */
86 /* It toggle off LED and schedule corresponding timer if necessary. */
87 /* */
88
SwLedBlink1(struct LED_871x * pLed)89 static void SwLedBlink1(struct LED_871x *pLed)
90 {
91 struct adapter *padapter = pLed->padapter;
92 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
93 u8 bStopBlinking = false;
94
95 /* Change LED according to BlinkingLedState specified. */
96 if (pLed->BlinkingLedState == RTW_LED_ON) {
97 SwLedOn(padapter, pLed);
98 RT_TRACE(_module_rtl8712_led_c_, _drv_info_, ("Blinktimes (%d): turn on\n", pLed->BlinkTimes));
99 } else {
100 SwLedOff(padapter, pLed);
101 RT_TRACE(_module_rtl8712_led_c_, _drv_info_, ("Blinktimes (%d): turn off\n", pLed->BlinkTimes));
102 }
103
104 if (padapter->pwrctrlpriv.rf_pwrstate != rf_on) {
105 SwLedOff(padapter, pLed);
106 ResetLedStatus(pLed);
107 return;
108 }
109
110 switch (pLed->CurrLedState) {
111 case LED_BLINK_SLOWLY:
112 if (pLed->bLedOn)
113 pLed->BlinkingLedState = RTW_LED_OFF;
114 else
115 pLed->BlinkingLedState = RTW_LED_ON;
116 mod_timer(&pLed->BlinkTimer, jiffies +
117 msecs_to_jiffies(LED_BLINK_NO_LINK_INTERVAL_ALPHA));
118 break;
119 case LED_BLINK_NORMAL:
120 if (pLed->bLedOn)
121 pLed->BlinkingLedState = RTW_LED_OFF;
122 else
123 pLed->BlinkingLedState = RTW_LED_ON;
124 mod_timer(&pLed->BlinkTimer, jiffies +
125 msecs_to_jiffies(LED_BLINK_LINK_INTERVAL_ALPHA));
126 break;
127 case LED_BLINK_SCAN:
128 pLed->BlinkTimes--;
129 if (pLed->BlinkTimes == 0)
130 bStopBlinking = true;
131 if (bStopBlinking) {
132 if (check_fwstate(pmlmepriv, _FW_LINKED)) {
133 pLed->bLedLinkBlinkInProgress = true;
134 pLed->CurrLedState = LED_BLINK_NORMAL;
135 if (pLed->bLedOn)
136 pLed->BlinkingLedState = RTW_LED_OFF;
137 else
138 pLed->BlinkingLedState = RTW_LED_ON;
139 mod_timer(&pLed->BlinkTimer, jiffies +
140 msecs_to_jiffies(LED_BLINK_LINK_INTERVAL_ALPHA));
141 RT_TRACE(_module_rtl8712_led_c_, _drv_info_, ("CurrLedState %d\n", pLed->CurrLedState));
142 } else if (!check_fwstate(pmlmepriv, _FW_LINKED)) {
143 pLed->bLedNoLinkBlinkInProgress = true;
144 pLed->CurrLedState = LED_BLINK_SLOWLY;
145 if (pLed->bLedOn)
146 pLed->BlinkingLedState = RTW_LED_OFF;
147 else
148 pLed->BlinkingLedState = RTW_LED_ON;
149 mod_timer(&pLed->BlinkTimer, jiffies +
150 msecs_to_jiffies(LED_BLINK_NO_LINK_INTERVAL_ALPHA));
151 RT_TRACE(_module_rtl8712_led_c_, _drv_info_, ("CurrLedState %d\n", pLed->CurrLedState));
152 }
153 pLed->bLedScanBlinkInProgress = false;
154 } else {
155 if (pLed->bLedOn)
156 pLed->BlinkingLedState = RTW_LED_OFF;
157 else
158 pLed->BlinkingLedState = RTW_LED_ON;
159 mod_timer(&pLed->BlinkTimer, jiffies +
160 msecs_to_jiffies(LED_BLINK_SCAN_INTERVAL_ALPHA));
161 }
162 break;
163 case LED_BLINK_TXRX:
164 pLed->BlinkTimes--;
165 if (pLed->BlinkTimes == 0)
166 bStopBlinking = true;
167 if (bStopBlinking) {
168 if (check_fwstate(pmlmepriv, _FW_LINKED)) {
169 pLed->bLedLinkBlinkInProgress = true;
170 pLed->CurrLedState = LED_BLINK_NORMAL;
171 if (pLed->bLedOn)
172 pLed->BlinkingLedState = RTW_LED_OFF;
173 else
174 pLed->BlinkingLedState = RTW_LED_ON;
175 mod_timer(&pLed->BlinkTimer, jiffies +
176 msecs_to_jiffies(LED_BLINK_LINK_INTERVAL_ALPHA));
177 RT_TRACE(_module_rtl8712_led_c_, _drv_info_, ("CurrLedState %d\n", pLed->CurrLedState));
178 } else if (!check_fwstate(pmlmepriv, _FW_LINKED)) {
179 pLed->bLedNoLinkBlinkInProgress = true;
180 pLed->CurrLedState = LED_BLINK_SLOWLY;
181 if (pLed->bLedOn)
182 pLed->BlinkingLedState = RTW_LED_OFF;
183 else
184 pLed->BlinkingLedState = RTW_LED_ON;
185 mod_timer(&pLed->BlinkTimer, jiffies +
186 msecs_to_jiffies(LED_BLINK_NO_LINK_INTERVAL_ALPHA));
187 RT_TRACE(_module_rtl8712_led_c_, _drv_info_, ("CurrLedState %d\n", pLed->CurrLedState));
188 }
189 pLed->BlinkTimes = 0;
190 pLed->bLedBlinkInProgress = false;
191 } else {
192 if (pLed->bLedOn)
193 pLed->BlinkingLedState = RTW_LED_OFF;
194 else
195 pLed->BlinkingLedState = RTW_LED_ON;
196 mod_timer(&pLed->BlinkTimer, jiffies +
197 msecs_to_jiffies(LED_BLINK_FASTER_INTERVAL_ALPHA));
198 }
199 break;
200 case LED_BLINK_WPS:
201 if (pLed->bLedOn)
202 pLed->BlinkingLedState = RTW_LED_OFF;
203 else
204 pLed->BlinkingLedState = RTW_LED_ON;
205 mod_timer(&pLed->BlinkTimer, jiffies +
206 msecs_to_jiffies(LED_BLINK_SCAN_INTERVAL_ALPHA));
207 break;
208 case LED_BLINK_WPS_STOP: /* WPS success */
209 if (pLed->BlinkingLedState == RTW_LED_ON)
210 bStopBlinking = false;
211 else
212 bStopBlinking = true;
213
214 if (bStopBlinking) {
215 pLed->bLedLinkBlinkInProgress = true;
216 pLed->CurrLedState = LED_BLINK_NORMAL;
217 if (pLed->bLedOn)
218 pLed->BlinkingLedState = RTW_LED_OFF;
219 else
220 pLed->BlinkingLedState = RTW_LED_ON;
221 mod_timer(&pLed->BlinkTimer, jiffies +
222 msecs_to_jiffies(LED_BLINK_LINK_INTERVAL_ALPHA));
223 RT_TRACE(_module_rtl8712_led_c_, _drv_info_, ("CurrLedState %d\n", pLed->CurrLedState));
224
225 pLed->bLedWPSBlinkInProgress = false;
226 } else {
227 pLed->BlinkingLedState = RTW_LED_OFF;
228 mod_timer(&pLed->BlinkTimer, jiffies +
229 msecs_to_jiffies(LED_BLINK_WPS_SUCCESS_INTERVAL_ALPHA));
230 }
231 break;
232 default:
233 break;
234 }
235 }
236
237 /* ALPHA, added by chiyoko, 20090106 */
SwLedControlMode1(struct adapter * padapter,enum LED_CTL_MODE LedAction)238 static void SwLedControlMode1(struct adapter *padapter, enum LED_CTL_MODE LedAction)
239 {
240 struct led_priv *ledpriv = &padapter->ledpriv;
241 struct LED_871x *pLed = &ledpriv->SwLed0;
242 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
243
244 switch (LedAction) {
245 case LED_CTL_POWER_ON:
246 case LED_CTL_START_TO_LINK:
247 case LED_CTL_NO_LINK:
248 if (!pLed->bLedNoLinkBlinkInProgress) {
249 if (pLed->CurrLedState == LED_BLINK_SCAN || IS_LED_WPS_BLINKING(pLed))
250 return;
251 if (pLed->bLedLinkBlinkInProgress) {
252 del_timer_sync(&pLed->BlinkTimer);
253 pLed->bLedLinkBlinkInProgress = false;
254 }
255 if (pLed->bLedBlinkInProgress) {
256 del_timer_sync(&pLed->BlinkTimer);
257 pLed->bLedBlinkInProgress = false;
258 }
259
260 pLed->bLedNoLinkBlinkInProgress = true;
261 pLed->CurrLedState = LED_BLINK_SLOWLY;
262 if (pLed->bLedOn)
263 pLed->BlinkingLedState = RTW_LED_OFF;
264 else
265 pLed->BlinkingLedState = RTW_LED_ON;
266 mod_timer(&pLed->BlinkTimer, jiffies +
267 msecs_to_jiffies(LED_BLINK_NO_LINK_INTERVAL_ALPHA));
268 }
269 break;
270 case LED_CTL_LINK:
271 if (!pLed->bLedLinkBlinkInProgress) {
272 if (pLed->CurrLedState == LED_BLINK_SCAN || IS_LED_WPS_BLINKING(pLed))
273 return;
274 if (pLed->bLedNoLinkBlinkInProgress) {
275 del_timer_sync(&pLed->BlinkTimer);
276 pLed->bLedNoLinkBlinkInProgress = false;
277 }
278 if (pLed->bLedBlinkInProgress) {
279 del_timer_sync(&pLed->BlinkTimer);
280 pLed->bLedBlinkInProgress = false;
281 }
282 pLed->bLedLinkBlinkInProgress = true;
283 pLed->CurrLedState = LED_BLINK_NORMAL;
284 if (pLed->bLedOn)
285 pLed->BlinkingLedState = RTW_LED_OFF;
286 else
287 pLed->BlinkingLedState = RTW_LED_ON;
288 mod_timer(&pLed->BlinkTimer, jiffies +
289 msecs_to_jiffies(LED_BLINK_LINK_INTERVAL_ALPHA));
290 }
291 break;
292 case LED_CTL_SITE_SURVEY:
293 if ((pmlmepriv->LinkDetectInfo.bBusyTraffic) && (check_fwstate(pmlmepriv, _FW_LINKED))) {
294 ;
295 } else if (!pLed->bLedScanBlinkInProgress) {
296 if (IS_LED_WPS_BLINKING(pLed))
297 return;
298 if (pLed->bLedNoLinkBlinkInProgress) {
299 del_timer_sync(&pLed->BlinkTimer);
300 pLed->bLedNoLinkBlinkInProgress = false;
301 }
302 if (pLed->bLedLinkBlinkInProgress) {
303 del_timer_sync(&pLed->BlinkTimer);
304 pLed->bLedLinkBlinkInProgress = false;
305 }
306 if (pLed->bLedBlinkInProgress) {
307 del_timer_sync(&pLed->BlinkTimer);
308 pLed->bLedBlinkInProgress = false;
309 }
310 pLed->bLedScanBlinkInProgress = true;
311 pLed->CurrLedState = LED_BLINK_SCAN;
312 pLed->BlinkTimes = 24;
313 if (pLed->bLedOn)
314 pLed->BlinkingLedState = RTW_LED_OFF;
315 else
316 pLed->BlinkingLedState = RTW_LED_ON;
317 mod_timer(&pLed->BlinkTimer, jiffies +
318 msecs_to_jiffies(LED_BLINK_SCAN_INTERVAL_ALPHA));
319 }
320 break;
321 case LED_CTL_TX:
322 case LED_CTL_RX:
323 if (!pLed->bLedBlinkInProgress) {
324 if (pLed->CurrLedState == LED_BLINK_SCAN || IS_LED_WPS_BLINKING(pLed))
325 return;
326 if (pLed->bLedNoLinkBlinkInProgress) {
327 del_timer_sync(&pLed->BlinkTimer);
328 pLed->bLedNoLinkBlinkInProgress = false;
329 }
330 if (pLed->bLedLinkBlinkInProgress) {
331 del_timer_sync(&pLed->BlinkTimer);
332 pLed->bLedLinkBlinkInProgress = false;
333 }
334 pLed->bLedBlinkInProgress = true;
335 pLed->CurrLedState = LED_BLINK_TXRX;
336 pLed->BlinkTimes = 2;
337 if (pLed->bLedOn)
338 pLed->BlinkingLedState = RTW_LED_OFF;
339 else
340 pLed->BlinkingLedState = RTW_LED_ON;
341 mod_timer(&pLed->BlinkTimer, jiffies +
342 msecs_to_jiffies(LED_BLINK_FASTER_INTERVAL_ALPHA));
343 }
344 break;
345 case LED_CTL_START_WPS: /* wait until xinpin finish */
346 case LED_CTL_START_WPS_BOTTON:
347 if (!pLed->bLedWPSBlinkInProgress) {
348 if (pLed->bLedNoLinkBlinkInProgress) {
349 del_timer_sync(&pLed->BlinkTimer);
350 pLed->bLedNoLinkBlinkInProgress = false;
351 }
352 if (pLed->bLedLinkBlinkInProgress) {
353 del_timer_sync(&pLed->BlinkTimer);
354 pLed->bLedLinkBlinkInProgress = false;
355 }
356 if (pLed->bLedBlinkInProgress) {
357 del_timer_sync(&pLed->BlinkTimer);
358 pLed->bLedBlinkInProgress = false;
359 }
360 if (pLed->bLedScanBlinkInProgress) {
361 del_timer_sync(&pLed->BlinkTimer);
362 pLed->bLedScanBlinkInProgress = false;
363 }
364 pLed->bLedWPSBlinkInProgress = true;
365 pLed->CurrLedState = LED_BLINK_WPS;
366 if (pLed->bLedOn)
367 pLed->BlinkingLedState = RTW_LED_OFF;
368 else
369 pLed->BlinkingLedState = RTW_LED_ON;
370 mod_timer(&pLed->BlinkTimer, jiffies +
371 msecs_to_jiffies(LED_BLINK_SCAN_INTERVAL_ALPHA));
372 }
373 break;
374 case LED_CTL_STOP_WPS:
375 if (pLed->bLedNoLinkBlinkInProgress) {
376 del_timer_sync(&pLed->BlinkTimer);
377 pLed->bLedNoLinkBlinkInProgress = false;
378 }
379 if (pLed->bLedLinkBlinkInProgress) {
380 del_timer_sync(&pLed->BlinkTimer);
381 pLed->bLedLinkBlinkInProgress = false;
382 }
383 if (pLed->bLedBlinkInProgress) {
384 del_timer_sync(&pLed->BlinkTimer);
385 pLed->bLedBlinkInProgress = false;
386 }
387 if (pLed->bLedScanBlinkInProgress) {
388 del_timer_sync(&pLed->BlinkTimer);
389 pLed->bLedScanBlinkInProgress = false;
390 }
391 if (pLed->bLedWPSBlinkInProgress)
392 del_timer_sync(&pLed->BlinkTimer);
393 else
394 pLed->bLedWPSBlinkInProgress = true;
395 pLed->CurrLedState = LED_BLINK_WPS_STOP;
396 if (pLed->bLedOn) {
397 pLed->BlinkingLedState = RTW_LED_OFF;
398 mod_timer(&pLed->BlinkTimer, jiffies +
399 msecs_to_jiffies(LED_BLINK_WPS_SUCCESS_INTERVAL_ALPHA));
400 } else {
401 pLed->BlinkingLedState = RTW_LED_ON;
402 mod_timer(&pLed->BlinkTimer,
403 jiffies + msecs_to_jiffies(0));
404 }
405 break;
406 case LED_CTL_STOP_WPS_FAIL:
407 if (pLed->bLedWPSBlinkInProgress) {
408 del_timer_sync(&pLed->BlinkTimer);
409 pLed->bLedWPSBlinkInProgress = false;
410 }
411 pLed->bLedNoLinkBlinkInProgress = true;
412 pLed->CurrLedState = LED_BLINK_SLOWLY;
413 if (pLed->bLedOn)
414 pLed->BlinkingLedState = RTW_LED_OFF;
415 else
416 pLed->BlinkingLedState = RTW_LED_ON;
417 mod_timer(&pLed->BlinkTimer, jiffies +
418 msecs_to_jiffies(LED_BLINK_NO_LINK_INTERVAL_ALPHA));
419 break;
420 case LED_CTL_POWER_OFF:
421 pLed->CurrLedState = RTW_LED_OFF;
422 pLed->BlinkingLedState = RTW_LED_OFF;
423 if (pLed->bLedNoLinkBlinkInProgress) {
424 del_timer_sync(&pLed->BlinkTimer);
425 pLed->bLedNoLinkBlinkInProgress = false;
426 }
427 if (pLed->bLedLinkBlinkInProgress) {
428 del_timer_sync(&pLed->BlinkTimer);
429 pLed->bLedLinkBlinkInProgress = false;
430 }
431 if (pLed->bLedBlinkInProgress) {
432 del_timer_sync(&pLed->BlinkTimer);
433 pLed->bLedBlinkInProgress = false;
434 }
435 if (pLed->bLedWPSBlinkInProgress) {
436 del_timer_sync(&pLed->BlinkTimer);
437 pLed->bLedWPSBlinkInProgress = false;
438 }
439 if (pLed->bLedScanBlinkInProgress) {
440 del_timer_sync(&pLed->BlinkTimer);
441 pLed->bLedScanBlinkInProgress = false;
442 }
443 SwLedOff(padapter, pLed);
444 break;
445 default:
446 break;
447 }
448
449 RT_TRACE(_module_rtl8712_led_c_, _drv_info_, ("Led %d\n", pLed->CurrLedState));
450 }
451
452 /* */
453 /* Description: */
454 /* Handler function of LED Blinking. */
455 /* */
BlinkHandler(struct LED_871x * pLed)456 void BlinkHandler(struct LED_871x *pLed)
457 {
458 struct adapter *padapter = pLed->padapter;
459
460 if ((padapter->bSurpriseRemoved) || (padapter->bDriverStopped))
461 return;
462
463 SwLedBlink1(pLed);
464 }
465
LedControl8188eu(struct adapter * padapter,enum LED_CTL_MODE LedAction)466 void LedControl8188eu(struct adapter *padapter, enum LED_CTL_MODE LedAction)
467 {
468 if ((padapter->bSurpriseRemoved) || (padapter->bDriverStopped) ||
469 (!padapter->hw_init_completed))
470 return;
471
472 if ((padapter->pwrctrlpriv.rf_pwrstate != rf_on &&
473 padapter->pwrctrlpriv.rfoff_reason > RF_CHANGE_BY_PS) &&
474 (LedAction == LED_CTL_TX || LedAction == LED_CTL_RX ||
475 LedAction == LED_CTL_SITE_SURVEY ||
476 LedAction == LED_CTL_LINK ||
477 LedAction == LED_CTL_NO_LINK ||
478 LedAction == LED_CTL_POWER_ON))
479 return;
480
481 SwLedControlMode1(padapter, LedAction);
482 }
483