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rtl8188eu/core/rtw_led.c
Larry Finger 5105d48231 rtl8188eu: P_opulate new kernel branch 
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
2014-11-28 11:08:37 -06:00

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/******************************************************************************
*
* Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
*
*
******************************************************************************/
#include <drv_types.h>
#include "rtw_led.h"
/* */
/* Description: */
/* Callback function of LED BlinkTimer, */
/* it just schedules to corresponding BlinkWorkItem/led_blink_hdl */
/* */
void BlinkTimerCallback(void *data)
{
struct LED_871x *pLed = (struct LED_871x *)data;
struct adapter *padapter = pLed->padapter;
if ((padapter->bSurpriseRemoved) || (padapter->bDriverStopped))
return;
schedule_work(&(pLed->BlinkWorkItem));
}
/* */
/* Description: */
/* Callback function of LED BlinkWorkItem. */
/* */
void BlinkWorkItemCallback(struct work_struct *work)
{
struct LED_871x *pLed = container_of(work, struct LED_871x, BlinkWorkItem);
BlinkHandler(pLed);
}
/* */
/* Description: */
/* Reset status of LED_871x object. */
/* */
void ResetLedStatus(struct LED_871x *pLed)
{
pLed->CurrLedState = RTW_LED_OFF; /* Current LED state. */
pLed->bLedOn = false; /* true if LED is ON, false if LED is OFF. */
pLed->bLedBlinkInProgress = false; /* true if it is blinking, false o.w.. */
pLed->bLedWPSBlinkInProgress = false;
pLed->BlinkTimes = 0; /* Number of times to toggle led state for blinking. */
pLed->BlinkingLedState = LED_UNKNOWN; /* Next state for blinking, either RTW_LED_ON or RTW_LED_OFF are. */
pLed->bLedNoLinkBlinkInProgress = false;
pLed->bLedLinkBlinkInProgress = false;
pLed->bLedStartToLinkBlinkInProgress = false;
pLed->bLedScanBlinkInProgress = false;
}
/*Description: */
/* Initialize an LED_871x object. */
void InitLed871x(struct adapter *padapter, struct LED_871x *pLed)
{
pLed->padapter = padapter;
ResetLedStatus(pLed);
_init_timer(&(pLed->BlinkTimer), padapter->pnetdev, BlinkTimerCallback, pLed);
INIT_WORK(&(pLed->BlinkWorkItem), BlinkWorkItemCallback);
}
/* */
/* Description: */
/* DeInitialize an LED_871x object. */
/* */
void DeInitLed871x(struct LED_871x *pLed)
{
cancel_work_sync(&(pLed->BlinkWorkItem));
del_timer_sync(&(pLed->BlinkTimer));
ResetLedStatus(pLed);
}
/* */
/* Description: */
/* Implementation of LED blinking behavior. */
/* It toggle off LED and schedule corresponding timer if necessary. */
/* */
static void SwLedBlink1(struct LED_871x *pLed)
{
struct adapter *padapter = pLed->padapter;
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
u8 bStopBlinking = false;
/* Change LED according to BlinkingLedState specified. */
if (pLed->BlinkingLedState == RTW_LED_ON) {
SwLedOn(padapter, pLed);
RT_TRACE(_module_rtl8712_led_c_, _drv_info_, ("Blinktimes (%d): turn on\n", pLed->BlinkTimes));
} else {
SwLedOff(padapter, pLed);
RT_TRACE(_module_rtl8712_led_c_, _drv_info_, ("Blinktimes (%d): turn off\n", pLed->BlinkTimes));
}
if (padapter->pwrctrlpriv.rf_pwrstate != rf_on) {
SwLedOff(padapter, pLed);
ResetLedStatus(pLed);
return;
}
switch (pLed->CurrLedState) {
case LED_BLINK_SLOWLY:
if (pLed->bLedOn)
pLed->BlinkingLedState = RTW_LED_OFF;
else
pLed->BlinkingLedState = RTW_LED_ON;
_set_timer(&(pLed->BlinkTimer), LED_BLINK_NO_LINK_INTERVAL_ALPHA);
break;
case LED_BLINK_NORMAL:
if (pLed->bLedOn)
pLed->BlinkingLedState = RTW_LED_OFF;
else
pLed->BlinkingLedState = RTW_LED_ON;
_set_timer(&(pLed->BlinkTimer), LED_BLINK_LINK_INTERVAL_ALPHA);
break;
case LED_BLINK_SCAN:
pLed->BlinkTimes--;
if (pLed->BlinkTimes == 0)
bStopBlinking = true;
if (bStopBlinking) {
if (check_fwstate(pmlmepriv, _FW_LINKED)) {
pLed->bLedLinkBlinkInProgress = true;
pLed->CurrLedState = LED_BLINK_NORMAL;
if (pLed->bLedOn)
pLed->BlinkingLedState = RTW_LED_OFF;
else
pLed->BlinkingLedState = RTW_LED_ON;
_set_timer(&(pLed->BlinkTimer), LED_BLINK_LINK_INTERVAL_ALPHA);
RT_TRACE(_module_rtl8712_led_c_, _drv_info_, ("CurrLedState %d\n", pLed->CurrLedState));
} else if (!check_fwstate(pmlmepriv, _FW_LINKED)) {
pLed->bLedNoLinkBlinkInProgress = true;
pLed->CurrLedState = LED_BLINK_SLOWLY;
if (pLed->bLedOn)
pLed->BlinkingLedState = RTW_LED_OFF;
else
pLed->BlinkingLedState = RTW_LED_ON;
_set_timer(&(pLed->BlinkTimer), LED_BLINK_NO_LINK_INTERVAL_ALPHA);
RT_TRACE(_module_rtl8712_led_c_, _drv_info_, ("CurrLedState %d\n", pLed->CurrLedState));
}
pLed->bLedScanBlinkInProgress = false;
} else {
if (pLed->bLedOn)
pLed->BlinkingLedState = RTW_LED_OFF;
else
pLed->BlinkingLedState = RTW_LED_ON;
_set_timer(&(pLed->BlinkTimer), LED_BLINK_SCAN_INTERVAL_ALPHA);
}
break;
case LED_BLINK_TXRX:
pLed->BlinkTimes--;
if (pLed->BlinkTimes == 0)
bStopBlinking = true;
if (bStopBlinking) {
if (check_fwstate(pmlmepriv, _FW_LINKED)) {
pLed->bLedLinkBlinkInProgress = true;
pLed->CurrLedState = LED_BLINK_NORMAL;
if (pLed->bLedOn)
pLed->BlinkingLedState = RTW_LED_OFF;
else
pLed->BlinkingLedState = RTW_LED_ON;
_set_timer(&(pLed->BlinkTimer), LED_BLINK_LINK_INTERVAL_ALPHA);
RT_TRACE(_module_rtl8712_led_c_, _drv_info_, ("CurrLedState %d\n", pLed->CurrLedState));
} else if (!check_fwstate(pmlmepriv, _FW_LINKED)) {
pLed->bLedNoLinkBlinkInProgress = true;
pLed->CurrLedState = LED_BLINK_SLOWLY;
if (pLed->bLedOn)
pLed->BlinkingLedState = RTW_LED_OFF;
else
pLed->BlinkingLedState = RTW_LED_ON;
_set_timer(&(pLed->BlinkTimer), LED_BLINK_NO_LINK_INTERVAL_ALPHA);
RT_TRACE(_module_rtl8712_led_c_, _drv_info_, ("CurrLedState %d\n", pLed->CurrLedState));
}
pLed->BlinkTimes = 0;
pLed->bLedBlinkInProgress = false;
} else {
if (pLed->bLedOn)
pLed->BlinkingLedState = RTW_LED_OFF;
else
pLed->BlinkingLedState = RTW_LED_ON;
_set_timer(&(pLed->BlinkTimer), LED_BLINK_FASTER_INTERVAL_ALPHA);
}
break;
case LED_BLINK_WPS:
if (pLed->bLedOn)
pLed->BlinkingLedState = RTW_LED_OFF;
else
pLed->BlinkingLedState = RTW_LED_ON;
_set_timer(&(pLed->BlinkTimer), LED_BLINK_SCAN_INTERVAL_ALPHA);
break;
case LED_BLINK_WPS_STOP: /* WPS success */
if (pLed->BlinkingLedState == RTW_LED_ON)
bStopBlinking = false;
else
bStopBlinking = true;
if (bStopBlinking) {
pLed->bLedLinkBlinkInProgress = true;
pLed->CurrLedState = LED_BLINK_NORMAL;
if (pLed->bLedOn)
pLed->BlinkingLedState = RTW_LED_OFF;
else
pLed->BlinkingLedState = RTW_LED_ON;
_set_timer(&(pLed->BlinkTimer), LED_BLINK_LINK_INTERVAL_ALPHA);
RT_TRACE(_module_rtl8712_led_c_, _drv_info_, ("CurrLedState %d\n", pLed->CurrLedState));
pLed->bLedWPSBlinkInProgress = false;
} else {
pLed->BlinkingLedState = RTW_LED_OFF;
_set_timer(&(pLed->BlinkTimer), LED_BLINK_WPS_SUCESS_INTERVAL_ALPHA);
}
break;
default:
break;
}
}
/* ALPHA, added by chiyoko, 20090106 */
static void SwLedControlMode1(struct adapter *padapter, enum LED_CTL_MODE LedAction)
{
struct led_priv *ledpriv = &(padapter->ledpriv);
struct LED_871x *pLed = &(ledpriv->SwLed0);
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
switch (LedAction) {
case LED_CTL_POWER_ON:
case LED_CTL_START_TO_LINK:
case LED_CTL_NO_LINK:
if (!pLed->bLedNoLinkBlinkInProgress) {
if (pLed->CurrLedState == LED_BLINK_SCAN || IS_LED_WPS_BLINKING(pLed))
return;
if (pLed->bLedLinkBlinkInProgress) {
del_timer_sync(&(pLed->BlinkTimer));
pLed->bLedLinkBlinkInProgress = false;
}
if (pLed->bLedBlinkInProgress) {
del_timer_sync(&(pLed->BlinkTimer));
pLed->bLedBlinkInProgress = false;
}
pLed->bLedNoLinkBlinkInProgress = true;
pLed->CurrLedState = LED_BLINK_SLOWLY;
if (pLed->bLedOn)
pLed->BlinkingLedState = RTW_LED_OFF;
else
pLed->BlinkingLedState = RTW_LED_ON;
_set_timer(&(pLed->BlinkTimer), LED_BLINK_NO_LINK_INTERVAL_ALPHA);
}
break;
case LED_CTL_LINK:
if (!pLed->bLedLinkBlinkInProgress) {
if (pLed->CurrLedState == LED_BLINK_SCAN || IS_LED_WPS_BLINKING(pLed))
return;
if (pLed->bLedNoLinkBlinkInProgress) {
del_timer_sync(&(pLed->BlinkTimer));
pLed->bLedNoLinkBlinkInProgress = false;
}
if (pLed->bLedBlinkInProgress) {
del_timer_sync(&(pLed->BlinkTimer));
pLed->bLedBlinkInProgress = false;
}
pLed->bLedLinkBlinkInProgress = true;
pLed->CurrLedState = LED_BLINK_NORMAL;
if (pLed->bLedOn)
pLed->BlinkingLedState = RTW_LED_OFF;
else
pLed->BlinkingLedState = RTW_LED_ON;
_set_timer(&(pLed->BlinkTimer), LED_BLINK_LINK_INTERVAL_ALPHA);
}
break;
case LED_CTL_SITE_SURVEY:
if ((pmlmepriv->LinkDetectInfo.bBusyTraffic) && (check_fwstate(pmlmepriv, _FW_LINKED))) {
;
} else if (!pLed->bLedScanBlinkInProgress) {
if (IS_LED_WPS_BLINKING(pLed))
return;
if (pLed->bLedNoLinkBlinkInProgress) {
del_timer_sync(&(pLed->BlinkTimer));
pLed->bLedNoLinkBlinkInProgress = false;
}
if (pLed->bLedLinkBlinkInProgress) {
del_timer_sync(&(pLed->BlinkTimer));
pLed->bLedLinkBlinkInProgress = false;
}
if (pLed->bLedBlinkInProgress) {
del_timer_sync(&(pLed->BlinkTimer));
pLed->bLedBlinkInProgress = false;
}
pLed->bLedScanBlinkInProgress = true;
pLed->CurrLedState = LED_BLINK_SCAN;
pLed->BlinkTimes = 24;
if (pLed->bLedOn)
pLed->BlinkingLedState = RTW_LED_OFF;
else
pLed->BlinkingLedState = RTW_LED_ON;
_set_timer(&(pLed->BlinkTimer), LED_BLINK_SCAN_INTERVAL_ALPHA);
}
break;
case LED_CTL_TX:
case LED_CTL_RX:
if (!pLed->bLedBlinkInProgress) {
if (pLed->CurrLedState == LED_BLINK_SCAN || IS_LED_WPS_BLINKING(pLed))
return;
if (pLed->bLedNoLinkBlinkInProgress) {
del_timer_sync(&(pLed->BlinkTimer));
pLed->bLedNoLinkBlinkInProgress = false;
}
if (pLed->bLedLinkBlinkInProgress) {
del_timer_sync(&(pLed->BlinkTimer));
pLed->bLedLinkBlinkInProgress = false;
}
pLed->bLedBlinkInProgress = true;
pLed->CurrLedState = LED_BLINK_TXRX;
pLed->BlinkTimes = 2;
if (pLed->bLedOn)
pLed->BlinkingLedState = RTW_LED_OFF;
else
pLed->BlinkingLedState = RTW_LED_ON;
_set_timer(&(pLed->BlinkTimer), LED_BLINK_FASTER_INTERVAL_ALPHA);
}
break;
case LED_CTL_START_WPS: /* wait until xinpin finish */
case LED_CTL_START_WPS_BOTTON:
if (!pLed->bLedWPSBlinkInProgress) {
if (pLed->bLedNoLinkBlinkInProgress) {
del_timer_sync(&(pLed->BlinkTimer));
pLed->bLedNoLinkBlinkInProgress = false;
}
if (pLed->bLedLinkBlinkInProgress) {
del_timer_sync(&(pLed->BlinkTimer));
pLed->bLedLinkBlinkInProgress = false;
}
if (pLed->bLedBlinkInProgress) {
del_timer_sync(&(pLed->BlinkTimer));
pLed->bLedBlinkInProgress = false;
}
if (pLed->bLedScanBlinkInProgress) {
del_timer_sync(&(pLed->BlinkTimer));
pLed->bLedScanBlinkInProgress = false;
}
pLed->bLedWPSBlinkInProgress = true;
pLed->CurrLedState = LED_BLINK_WPS;
if (pLed->bLedOn)
pLed->BlinkingLedState = RTW_LED_OFF;
else
pLed->BlinkingLedState = RTW_LED_ON;
_set_timer(&(pLed->BlinkTimer), LED_BLINK_SCAN_INTERVAL_ALPHA);
}
break;
case LED_CTL_STOP_WPS:
if (pLed->bLedNoLinkBlinkInProgress) {
del_timer_sync(&(pLed->BlinkTimer));
pLed->bLedNoLinkBlinkInProgress = false;
}
if (pLed->bLedLinkBlinkInProgress) {
del_timer_sync(&(pLed->BlinkTimer));
pLed->bLedLinkBlinkInProgress = false;
}
if (pLed->bLedBlinkInProgress) {
del_timer_sync(&(pLed->BlinkTimer));
pLed->bLedBlinkInProgress = false;
}
if (pLed->bLedScanBlinkInProgress) {
del_timer_sync(&(pLed->BlinkTimer));
pLed->bLedScanBlinkInProgress = false;
}
if (pLed->bLedWPSBlinkInProgress)
del_timer_sync(&(pLed->BlinkTimer));
else
pLed->bLedWPSBlinkInProgress = true;
pLed->CurrLedState = LED_BLINK_WPS_STOP;
if (pLed->bLedOn) {
pLed->BlinkingLedState = RTW_LED_OFF;
_set_timer(&(pLed->BlinkTimer), LED_BLINK_WPS_SUCESS_INTERVAL_ALPHA);
} else {
pLed->BlinkingLedState = RTW_LED_ON;
_set_timer(&(pLed->BlinkTimer), 0);
}
break;
case LED_CTL_STOP_WPS_FAIL:
if (pLed->bLedWPSBlinkInProgress) {
del_timer_sync(&(pLed->BlinkTimer));
pLed->bLedWPSBlinkInProgress = false;
}
pLed->bLedNoLinkBlinkInProgress = true;
pLed->CurrLedState = LED_BLINK_SLOWLY;
if (pLed->bLedOn)
pLed->BlinkingLedState = RTW_LED_OFF;
else
pLed->BlinkingLedState = RTW_LED_ON;
_set_timer(&(pLed->BlinkTimer), LED_BLINK_NO_LINK_INTERVAL_ALPHA);
break;
case LED_CTL_POWER_OFF:
pLed->CurrLedState = RTW_LED_OFF;
pLed->BlinkingLedState = RTW_LED_OFF;
if (pLed->bLedNoLinkBlinkInProgress) {
del_timer_sync(&(pLed->BlinkTimer));
pLed->bLedNoLinkBlinkInProgress = false;
}
if (pLed->bLedLinkBlinkInProgress) {
del_timer_sync(&(pLed->BlinkTimer));
pLed->bLedLinkBlinkInProgress = false;
}
if (pLed->bLedBlinkInProgress) {
del_timer_sync(&(pLed->BlinkTimer));
pLed->bLedBlinkInProgress = false;
}
if (pLed->bLedWPSBlinkInProgress) {
del_timer_sync(&(pLed->BlinkTimer));
pLed->bLedWPSBlinkInProgress = false;
}
if (pLed->bLedScanBlinkInProgress) {
del_timer_sync(&(pLed->BlinkTimer));
pLed->bLedScanBlinkInProgress = false;
}
SwLedOff(padapter, pLed);
break;
default:
break;
}
RT_TRACE(_module_rtl8712_led_c_, _drv_info_, ("Led %d\n", pLed->CurrLedState));
}
/* */
/* Description: */
/* Handler function of LED Blinking. */
/* */
void BlinkHandler(struct LED_871x *pLed)
{
struct adapter *padapter = pLed->padapter;
if ((padapter->bSurpriseRemoved) || (padapter->bDriverStopped))
return;
SwLedBlink1(pLed);
}
void LedControl8188eu(struct adapter *padapter, enum LED_CTL_MODE LedAction)
{
struct led_priv *ledpriv = &(padapter->ledpriv);
if ((padapter->bSurpriseRemoved) || (padapter->bDriverStopped) ||
(!padapter->hw_init_completed))
return;
if (!ledpriv->bRegUseLed)
return;
if ((padapter->pwrctrlpriv.rf_pwrstate != rf_on &&
padapter->pwrctrlpriv.rfoff_reason > RF_CHANGE_BY_PS) &&
(LedAction == LED_CTL_TX || LedAction == LED_CTL_RX ||
LedAction == LED_CTL_SITE_SURVEY ||
LedAction == LED_CTL_LINK ||
LedAction == LED_CTL_NO_LINK ||
LedAction == LED_CTL_POWER_ON))
return;
SwLedControlMode1(padapter, LedAction);
}
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