audiodriver.h

audio talktrough code. platform bf533 + audio card.

/*********************************************************************************

Copyright(c) 2005 Analog Devices, Inc. All Rights Reserved.

This software is proprietary and confidential.  By using this software you agree
to the terms of the associated Analog Devices License Agreement.

*********************************************************************************/
#ifndef __BSP_AUDIODRIVER_H__
#define __BSP_AUDIODRIVER_H__

/*********************************************************************

Include files

*********************************************************************/

#include <stdio.h>
#include <services\services.h>
#include <drivers\adi_dev.h>
#include "adi_AudioEZExtender.h"

// switch for enabling separate interrupt thread to handle input audio data
#define SEPARATE_THREAD_FOR_RENDER          1       // 1: YES, 0: NO

// Power manager specific definition of platform configuration
#if defined(__ADSP_BF533__)
#define PWR_MANGER_EZKIT_PRESET     ADI_PWR_EZKIT_BF533_600MHZ
#elif defined(__ADSP_BF537__)
#define PWR_MANGER_EZKIT_PRESET     ADI_PWR_EZKIT_BF537_600MHZ
#elif defined(__ADSP_BF561__)
#define PWR_MANGER_EZKIT_PRESET     0
#else
#define PWR_MANGER_EZKIT_PRESET     0
#endif

#if (SEPARATE_THREAD_FOR_RENDER)
// IVG level for rendering function
#define USER_ISR0       14                      // use software interrupt 0
#endif

/*********************************************************************

Audio EZ-Extender TDM 8 channel per codec mode

*********************************************************************/

// number of TDM channel
#define TDM_CHANNELS	8

// channel layout for 8 channel TDM
#define INTERNAL_ADC_L1		0
#define INTERNAL_ADC_R1		2
#define INTERNAL_ADC_L2		4
#define INTERNAL_ADC_R2		6
#define INTERNAL_ADC_L3		1
#define INTERNAL_ADC_R3		3
#define INTERNAL_ADC_L4		5
#define INTERNAL_ADC_R4		7

#define INTERNAL_DAC_L1     0
#define INTERNAL_DAC_R1     2
#define INTERNAL_DAC_L2     4
#define INTERNAL_DAC_R2     6
#define INTERNAL_DAC_L3     8
#define INTERNAL_DAC_R3     10
#define INTERNAL_DAC_L4     12
#define INTERNAL_DAC_R4     14
#define INTERNAL_DAC_L5     1
#define INTERNAL_DAC_R5     3
#define INTERNAL_DAC_L6     5
#define INTERNAL_DAC_R6     7
#define INTERNAL_DAC_L7     9
#define INTERNAL_DAC_R7     11
#define INTERNAL_DAC_L8     13
#define INTERNAL_DAC_R8     15

#if (ADAV801_SUPPORT)
// TDM(AUX) mode specific digital channel layout
#define INTERNAL_SPDIF_IN_L     8
#define INTERNAL_SPDIF_IN_R     10
// WRONG - DO NOT USE
#define INTERNAL_SPDIF_OUT_L    8
#define INTERNAL_SPDIF_OUT_R    10
#endif

//=================================================
// Audio Driver specific 

// number of samples per SPORT/DMA frame
#define TICK_SAMPLE_SIZE	32                  // arbitrary number for DMA transfer size

// DMA frame size including primary/secondary
#define TDM_FRAME_SIZE      (TDM_CHANNELS * 2)  // TDM_CHANNELS is number of TDM slots per Analog CODEC

// number of actually used input channels
#define VALID_INPUT_CHANNEL_SIZE    (8)         // 8 analog input

// number of actually used output channels
#define VALID_OUTPUT_CHANNEL_SIZE   (16)        // 16 analog output


/*********************************************************************

Exported buffers

*********************************************************************/

// pointer array that contains base channel pointers of iDACdata for the transmit buffer
extern int* pOutputSampleBasePtr[];

// pointer array that contains base channel pointers of iADCdata for the receive buffer
extern int* pInputSampleBasePtr[];

// single processing buffer for DSP modules
extern int ProcessingBuffer[VALID_OUTPUT_CHANNEL_SIZE][];

/*********************************************************************
*
*   Exported Functions
*
*********************************************************************/
extern void Close_Audio(void);
extern void Init_Audio(void);


#endif      // __BSP_AUDIODRIVER_H__