kernel_samsung_msm8974/drivers/media/isdbt/fc8150/fc8150_isr.c

/*****************************************************************************
 Copyright(c) 2012 FCI Inc. All Rights Reserved

 File name : fc8150_isr.c

 Description : fc8150 interrupt service routine

*******************************************************************************/
#include "fci_types.h"
#include "fci_hal.h"
#include "fci_oal.h"
#include "fc8150_regs.h"

int (*pTSCallback)(u32 userdata, u8 *data, int length) = NULL;
int (*pACCallback)(u32 userdata, u8 *data, int length) = NULL;

u32 gTSUserData;
u32 gACUserData;

/* static u8 acBuffer[AC_BUF_THR]; */
static u8 tsBuffer[TS_BUF_SIZE];

static void fc8150_data(HANDLE hDevice, u8 bufIntStatus)
{
	if (bufIntStatus & 0x01) { /* TS */
		bbm_data(hDevice, BBM_TS_DATA, &tsBuffer[0], TS_BUF_SIZE/2);

		if (pTSCallback)
			(*pTSCallback)(gTSUserData
			, &tsBuffer[0], TS_BUF_SIZE/2);
	}
}

void fc8150_isr(HANDLE hDevice)
{
#ifdef FEATURE_INT_AUTO_MODE
	fc8150_data(hDevice, 1);
#else
	u8 bufIntStatus = 0;
	bbm_read(hDevice, BBM_BUF_STATUS, &bufIntStatus);
	if (bufIntStatus) {
		bbm_write(hDevice, BBM_BUF_STATUS, bufIntStatus);
		fc8150_data(hDevice, bufIntStatus);
	}

	/* Overrun */
	bufIntStatus = 0;
	bbm_read(hDevice, BBM_BUF_STATUS, &bufIntStatus);
	if (bufIntStatus) {
		bbm_write(hDevice, BBM_BUF_STATUS, bufIntStatus);
		fc8150_data(hDevice, bufIntStatus);
	}
#endif
}