/********************************************************************************
* 
*	Project Name : S3C6400 Validation
*
*	Copyright 2006 by Samsung Electronics, Inc.
*	All rights reserved.
*
*	Project Description :
*		This software is only for verifying functions of the S3C6400.
*		Anybody can use this software without our permission.
*  
*--------------------------------------------------------------------------------
* 
*	File Name : AC97.c
*  
*	File Description :
*
*	Author	: Yoh-Han Lee
*	Dept. : AP Development Team
*	Created Date : 2007/03/09
*	Version : 0.2
* 
*	History
*	- Version 0.1 (Y.H.Lee, 2007/03/09)
*	  -> Only available with STAC9767 AC97 Codec.
*   - Version 0.2 (Y.H.Lee, 2007/04/04)
*     -> Working with WM9713 AC97 Codec.
*
********************************************************************************/

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>

#include "def.h"
#include "option.h"
#include "library.h"
#include "sfr6400.h"
#include "system.h"
#include "gpio.h"
#include "intc.h"
#include "dma.h"

#include "ac97.h"

//Test Functions
void AC97_Test(void);
static void AC97_Powerdown(void);
static void AC97_PCMInOut(void);
static void AC97_MICIn(void);

void AC97_Test(void)
{	
	const testFuncMenu ac97_function[]=
	{
		0,         				"Exit\n",	
		AC97_Powerdown,			"AC97 Power Down Test",
		AC97_PCMInOut,			"AC97 PCM In/Out (via Slot3, 4) Test",
		AC97_MICIn,				"AC97 MIC In (via Slot 6) Test",
		0,							 0
	};
	 
	AC97_SetPort(PORT0);
	
	Delay(1000);
	
	while (1)
	{
		u32 i, nSel;
		
		Disp("\n");

		Disp("========================================================\n");			

		for (i=0; (int)(ac97_function[i].desc)!=0; i++)
		{
			Disp("%2d: %s\n", i,ac97_function[i].desc);
		}

		Disp("========================================================\n");			
		Disp("\nSelect the function to test : ");

		nSel = GetIntNum();

		Disp("\n");

		if (nSel == 0)
			break;
		if (nSel>0 && nSel<(sizeof(ac97_function)/8-1))
			 (ac97_function[nSel].func)();
	}
	
}

static void AC97_Powerdown()
{
	u32 uGlobalCon;

	if(AC97_Init())
	{
	 	//Normal
	 	Disp("\n=>Normal\n");
	 	AC97_ControllerState();
	 	Disp("AC97 Codec Powerdown Ctrl/Stat Reg. Value (at 0x26): 0x%x\n", AC97_CodecCmd(READ,0x26,0x0000));
		UART_Getc();
	 	
	 	//ADCs off
	 	Disp("\n=>ADCs off PR1\n");
		AC97_CodecCmd(WRITE,0x26,(1<<8));
	 	AC97_ControllerState();
		Disp("AC97 Codec Powerdown Ctrl/Stat Reg. Value (at 0x26): 0x%x\n", AC97_CodecCmd(READ,0x26,0x0000));
	
		UART_Getc();
	 	
	 	//DACs off
	 	Disp("\n=>DACs off PR1\n");
	 	AC97_CodecCmd(WRITE,0x26,(1<<8)|(1<<9));
	 	AC97_ControllerState();
	 	Disp("AC97 Codec Powerdown Ctrl/Stat Reg. Value (at 0x26): 0x%x\n", AC97_CodecCmd(READ,0x26,0x0000));	
		UART_Getc();
	 	
	 	//Analog off
	 	Disp("\n=>Analog off PR2\n");
	 	AC97_CodecCmd(WRITE,0x26,(1<<8)|(1<<9)|(1<<10));
	 	AC97_ControllerState();
	 	Disp("AC97 Codec Powerdown Ctrl/Stat Reg. Value (at 0x26): 0x%x\n", AC97_CodecCmd(READ,0x26,0x0000));	
	 	UART_Getc();
	 	
	 	//Digital I/F off
	 	Disp("\n=>Digital I/F off PR4\n");
	 	AC97_CodecCmd(WRITE,0x26,(1<<8)|(1<<9)|(1<<10)|(1<<12));
	 	AC97_ControllerState();
	 
	 	//Shut off AC-Link
	 	Disp("\n=>Shut off AC-Link\n");
	 	uGlobalCon= Inp32(AC97_BASE+rACGLBCTRL);
	 	AC97Outp32(rACGLBCTRL, uGlobalCon & ~(1<<2));
	 	AC97_ControllerState();

	 	Disp("\nPress enter key for Warm Reset\n");
	 	UART_Getc();
	
		//Warm Reset
		AC97_WarmReset();	
	}
			
}

static void AC97_PCMInOut(void)
{
	u32 i;
	u32 uFs;

	uFs = AC97_SelectSamplingRate();
	Disp("Sampling Rate: 0x%d\n", uFs);
	
	if(AC97_Init())
	{	
		Disp("\nSelect PCM In/Out Operation Mode\n");
		Disp("0: Interrupt, 1: DMA\n");
		i = GetIntNum();
		
		AC97_InitCodecPCMIn(uFs);

		if(i==0)
		{
			AC97_PCMInINT(REC_BUF, AC97_REC_LEN);
			
			AC97_InitCodecPCMOut(uFs);
			AC97_PCMOutINT(REC_BUF, AC97_REC_LEN);
		}
		else
		{
			AC97_PCMInDMA(REC_BUF, AC97_REC_LEN);
		
			AC97_InitCodecPCMOut(uFs);
			AC97_PCMOutDMA(REC_BUF, AC97_REC_LEN);
		}	
	}

	AC97_ExitCodecPCMIn(1);
}

static void AC97_MICIn(void)
{
	u32 i;
	u32 uFs;

	uFs = AC97_SelectSamplingRate();
      
	if(AC97_Init())
	{	
		Disp("\nSelect MIC In Operation Mode\n");
		Disp("0: Interrupt, 1: DMA\n");
		i = GetIntNum();

		
		AC97_InitCodecMICIn(uFs);

		if(i==0)
			AC97_MICInINT(REC_BUF, AC97_REC_LEN/4);
		else 
			AC97_MICInDMA(REC_BUF, AC97_REC_LEN/4);
		
		AC97_InitCodecPCMOut(uFs);
		AC97_PCMOutDMA(REC_BUF, AC97_REC_LEN/4);
	}

	AC97_ExitCodecMICIn(1);
}