UTS6710/drivers/hdmi/533/mhl/mhl_application.c

/*!
 * @file    MHL_application.c
 *
 * @brief   This file specifies the APIs provided to control MHL
 * @note    Copyright (c) 2013 S2-Tek Co., LTD.
 *          All rights reserved.
 *          19, Innovation First Road, Hsinchu Science Park, 300 Taiwan
 * @author
 */

/*******************************************************************************
* Header include
******************************************************************************/
#include <linux/kernel.h>  /* printk */
#include <linux/workqueue.h>  /* workqueue */

#include "drv_types.h"
#include "mhl_application.h"
#include "cbus_debug.h"

#include "cbus_app.h"
#include "../hdmi_time.h"
/*******************************************************************************
* Constant
******************************************************************************/

/*******************************************************************************
* Variable
******************************************************************************/

/*******************************************************************************
* Global Variables
******************************************************************************/
//GL_Task_t hMHL_CBUS_MainThread;
static struct work_struct MHL_wq;
static struct timer_list MHL_timer;
static BOOL gfMhlWorkEn = FALSE;

//------------------------------------------------------------------------------
//MHL Application Instance Data
//------------------------------------------------------------------------------



void schedule_MHL_timer(struct timer_list *Timer, unsigned int tt);

//------------------------------------------------------------------------------
// Function:    MHL_CBUS_main
// Description: Main entry point for MHL driver module
// Parameters:  none
// Returns:     none
//------------------------------------------------------------------------------
void MHL_CBUS_main(void* arg)
{
	//printk("[MHL] MHL_CBUS_main start................." __DATE__"-" __TIME__ "\n");
	CbusAppTask();
	return;
}


/*******************************************************************************
* Program
******************************************************************************/
/*!
 * @brief  Initial the MHL_CBUS.
 *
 */
void MHL_CBUS_Initial(void)
{
	printk("%s\n", __FUNCTION__);
	INIT_WORK(&MHL_wq,(work_func_t) MHL_CBUS_main);
	init_timer(&MHL_timer);        

	//return (eStatus == GL_SUCCESS ? DTV_TRUE : DTV_FALSE);
}
void MHL_Poling_TIMER(void* dummy)
{
	if(gfMhlWorkEn)
	{
		schedule_work(&MHL_wq);	
		schedule_MHL_timer(&MHL_timer,10); //10ms
	}
}

void schedule_MHL_timer(struct timer_list *Timer, unsigned int tt)
{
	del_timer(Timer);
	Timer->expires = jiffies + (HZ*tt) / 1000; // 1ms per unit
	Timer->data = (unsigned int)NULL;
	Timer->function = (void (*)(unsigned long))MHL_Poling_TIMER;
	add_timer(Timer);
}

void MHL_CBUS_Work_Enable(BOOL fEn)
{
	printk("%s %d\n", __FUNCTION__, fEn);
	//if(gfMhlWorkEn == fEn)	//already started or paused, return
	//	return;
	if(fEn)
	{
		CbusAppDeviceInit();
		gfMhlWorkEn = TRUE;
	}
	else
		gfMhlWorkEn = FALSE;
	MHL_Poling_TIMER(NULL);		//start or pause MHL work
}