rtl8188eu/hal/rtl8188eu_led.c

/******************************************************************************
 *
 * Copyright(c) 2007 - 2011 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_conf.h>
#include <osdep_service.h>
#include <drv_types.h>
#include <rtl8188e_hal.h>

//================================================================================
// LED object.
//================================================================================


//================================================================================
//	Prototype of protected function.
//================================================================================


//================================================================================
// LED_819xUsb routines. 
//================================================================================

//
//	Description:
//		Turn on LED according to LedPin specified.
//
void
SwLedOn(
	_adapter			*padapter, 
	PLED_871x		pLed
)
{
	u8	LedCfg;
	//HAL_DATA_TYPE	*pHalData = GET_HAL_DATA(padapter);

	if( (padapter->bSurpriseRemoved == _TRUE) || ( padapter->bDriverStopped == _TRUE))
	{
		return;
	}

	LedCfg = rtw_read8(padapter, REG_LEDCFG2);
	switch(pLed->LedPin)
	{	
		case LED_PIN_LED0:
			rtw_write8(padapter, REG_LEDCFG2, (LedCfg&0xf0)|BIT5|BIT6); // SW control led0 on.
			break;

		case LED_PIN_LED1:
			rtw_write8(padapter, REG_LEDCFG2, (LedCfg&0x0f)|BIT5); // SW control led1 on.
			break;

		default:
			break;
	}
	
	pLed->bLedOn = _TRUE;
}


//
//	Description:
//		Turn off LED according to LedPin specified.
//
void
SwLedOff(
	_adapter			*padapter, 
	PLED_871x		pLed
)
{
	u8	LedCfg;
	HAL_DATA_TYPE	*pHalData = GET_HAL_DATA(padapter);

	if((padapter->bSurpriseRemoved == _TRUE) || ( padapter->bDriverStopped == _TRUE))	
	{
		goto exit;
	}


	LedCfg = rtw_read8(padapter, REG_LEDCFG2);//0x4E

	switch(pLed->LedPin)
	{
		case LED_PIN_LED0:
			if(pHalData->bLedOpenDrain == _TRUE) // Open-drain arrangement for controlling the LED)
			{
				LedCfg &= 0x90; // Set to software control.				
				rtw_write8(padapter, REG_LEDCFG2, (LedCfg|BIT3));				
				LedCfg = rtw_read8(padapter, REG_MAC_PINMUX_CFG);
				LedCfg &= 0xFE;
				rtw_write8(padapter, REG_MAC_PINMUX_CFG, LedCfg);									
			}
			else
			{
				rtw_write8(padapter, REG_LEDCFG2, (LedCfg|BIT3|BIT5|BIT6));
			}
			break;

		case LED_PIN_LED1:
			LedCfg &= 0x0f; // Set to software control.
			rtw_write8(padapter, REG_LEDCFG2, (LedCfg|BIT3));
			break;

		default:
			break;
	}
exit:
	pLed->bLedOn = _FALSE;
	
}

//================================================================================
// Interface to manipulate LED objects.
//================================================================================


//================================================================================
// Default LED behavior.
//================================================================================

//
//	Description:
//		Initialize all LED_871x objects.
//
void
rtl8188eu_InitSwLeds(
	_adapter	*padapter
	)
{
	struct led_priv *pledpriv = &(padapter->ledpriv);

	pledpriv->LedControlHandler = LedControl871x;

	InitLed871x(padapter, &(pledpriv->SwLed0), LED_PIN_LED0);

	InitLed871x(padapter,&(pledpriv->SwLed1), LED_PIN_LED1);
}


//
//	Description:
//		DeInitialize all LED_819xUsb objects.
//
void
rtl8188eu_DeInitSwLeds(
	_adapter	*padapter
	)
{
	struct led_priv	*ledpriv = &(padapter->ledpriv);

	DeInitLed871x( &(ledpriv->SwLed0) );
	DeInitLed871x( &(ledpriv->SwLed1) );
}