play_capture_analog_audio.h

1. 8623L平台

/*
 *
 * Copyright (c) 2001-2007 Sigma Designs, Inc. 
 * All Rights Reserved. Proprietary and Confidential.
 *
 */

/**
  @file   play_capture_analog_video.h
  @brief  Interface to access an analog video capture port
  
  @author Christian Wolff, Sean.Sekwon.Choi
  @date   2007-07-18
*/

#ifndef __PLAY_CAPTURE_ANALOG_AUDIO_H__
#define __PLAY_CAPTURE_ANALOG_AUDIO_H__

#include "common.h"
#include "play_capture_main.h"

// internal state of the analog video capture port
struct capsam_analog_audio_instance;

RMstatus capsam_analog_audio_open(
	struct RUA *pRUA, 
	struct capsam_analog_audio_instance **ppAnalogAudio, 
	struct capsam_access *pAudioChip);

/*
RMstatus capsam_analog_audio_open(
	struct RUA *pRUA, 
	struct capsam_analog_audio_instance **ppAnalogAudio, 
	enum capsam_chip analog_audio_chip,
	RMuint32 I2CModuleID,  // emhwlib Module ID of the I2C bus access
	struct EMhwlibI2CDeviceParameter *pI2CDevice,
	RMuint32 XtalClock);
*/

RMstatus capsam_analog_audio_close(struct capsam_analog_audio_instance *pAnalogAudio);

RMstatus capsam_analog_audio_tristate(struct capsam_analog_audio_instance *pAnalogAudio);

RMstatus capsam_analog_audio_select_input(struct capsam_analog_audio_instance *pAnalogAudio,
				       const struct capsam_access *pInput);

RMstatus capsam_analog_audio_setup_output(struct capsam_analog_audio_instance *pAnalogAudio, 
				       struct capsam_update *pUpdate);

/*** Interrupt handling functions ***/

/* Returns RM_OK if capsam_analog_audio_handle_int() needs to be called */
RMstatus capsam_analog_audio_check_int(struct capsam_analog_audio_instance *pAnalogAudio);

/* check and handle interrupts and/or other changes on the chip, 
   fill in update information to pUpdate */
RMstatus capsam_analog_audio_handle_int(struct capsam_analog_audio_instance *pAnalogAudio, 
				     struct capsam_update *pUpdate);

#endif