/****************************************************************************
Copyright (C) Cambridge Silicon Radio Ltd. 2004-2006
Part of BlueLab 3.6.2-release

FILE NAME
    headset_private.h
    
DESCRIPTION
    
*/

#ifndef _HEADSET_PRIVATE_H_
#define _HEADSET_PRIVATE_H_

#include "headset_battery.h"
#include "headset_debug.h"
#include "stereo_headset_buttons.h"

#include <a2dp.h>
#include <avrcp.h>
#include <hfp.h>
#include <connection.h>
#include <message.h>
#include <app/message/system_message.h>


/* Local application messages base value */ 
#define HEADSET_MSG_BASE    (0x0)

/* Class of device defines */
#define AUDIO_MAJOR_SERV_CLASS  0x200000
#define AV_MAJOR_DEVICE_CLASS   0x000400
#define AV_MINOR_HEADSET        0x000004
#define AV_COD_RENDER           0x040000


/* PIO definititions */
#ifdef DEV_1442
	#define LED_RED             (1<<1)
	#define LED_BLUE            (1<<2)
	#define SOFT_POWER
	#define POWER_HOLD          (1<<9)
	#ifdef WOLFSON_CODEC_WM8731
		#define AUDIO_AMP_LINE      0 /*wolfson uses PIO11 as clock*/
	#else
		#define AUDIO_AMP_LINE      (1<<11) /*for passthrough board*/
	#endif /* WOLFSON_CODEC_WM8731 */
#endif /* DEV_1442 */

#ifdef DEV_1508
	#define LED_RED             (1<<2)
	#define LED_BLUE            (1<<11)
	#define MFB_BUTTON          (1<<3)
	#define AUDIO_AMP_LINE      (1<<4)
    #define SOFT_POWER
    #define POWER_HOLD          (1<<9)
#endif

#ifdef DEV_1645
	#define LED_RED			(1<<15)
	#define LED_BLUE			(1<<14)
	#define SPECIAL_LED_PINS
	#define AUDIO_AMP_LINE      (1<<3)
#endif


#ifdef DEV_1645
	#define SET_AMP(v)				{PioSetDir(AUDIO_AMP_LINE,AUDIO_AMP_LINE); PioSet(AUDIO_AMP_LINE, v); PioSetMicBiasHwEnabled(v);}
#else
	#define SET_AMP(v)				{PioSetDir(AUDIO_AMP_LINE,AUDIO_AMP_LINE); PioSet(AUDIO_AMP_LINE, v);}
#endif
#define PIO_AIO1            (1<<13)
#define PIO_AIO3            (1<<15)


/* PS keys used by the app */
#define LAST_USED_AG        (0)
#define LAST_USED_AV_SOURCE (1)
#define VOLUME_LEVEL        (2)
#define AUTO_RECONNECT      (3)
#define HEADSET_SECURITY    (4)
#define RING_TONE_SELECT    (5)
#define AUTO_SWITCH_OFF_ENABLED    (6)
#define AUTO_SWITCH_OFF_TIMEOUT    (7)
#define LAST_PAIRED_DEVICE (8)
#define MP3_ENABLED (9)
#define LAST_USED_AV_SOURCE_SEP (12)


/* Time to wait after audio has ended before switching off the audio amp */
#define AMP_IDLE_TIMER  6000

/* How long to wait before restarting audio. Used to avoid conficts in signalling */
#define MUSIC_RESTART_DELAY 500

/* If SLC connection not created after this has expired then abort the connect attempt. */
#define SLC_CONNECT_TIMEOUT     (10000)

/* Remain in pairing mode only for this length of time */
#define PAIRING_TIMEOUT         (300000)


typedef uint16 ledState;

/* Local App messages */
enum
{
    APP_AMP_IDLE_IND = HEADSET_MSG_BASE,
    APP_BATTERY_DEAD_IND,
    APP_BATTERY_FULL_IND,
    APP_BATTERY_LOW_IND,
    APP_CHARGER_CONNECTED_IND,
    APP_CHARGER_DISCONNECTED_IND,
    APP_DISCONNECT_HFP_SLC_IND,
    APP_HEADSET_INIT_CFM,
    APP_HFP_SLC_REQ,
    APP_HFP_SLC_TIMEOUT_IND,
    APP_MUSIC_RESTART_IND,
    APP_MUTE_REMINDER,
    APP_PAIR_MODE_END_IND,
    APP_POWER_OFF_IND,
    APP_RING_TIMEOUT_IND,
	APP_POWER_ON_EVENT_SEEN,
	APP_PREVENT_POWER_ON,
    APP_TONE_TO_PLAY_IND,
    APP_UNMUTE_MIC,
    APP_VOICE_DIAL,
    APP_PLAY_PAUSE_SHORT,
	APP_BACKWARD_SHORT,
	APP_AVRCP_CONNECT_REQ,
	APP_AUTO_SWITCH_OFF_IND
};
#define HEADSET_MSG_TOP APP_AVRCP_CONNECT_REQ

typedef struct
{
    uint16 id;
} APP_TONE_TO_PLAY_IND_T;

typedef struct
{
    uint16 voice_recog_enabled;
} APP_VOICE_DIAL_T;

typedef struct
{
    bdaddr addr;
} APP_AVRCP_CONNECT_REQ_T;

typedef enum
{
    headsetInitialising,
    headsetReady,
    headsetConnecting,
    headsetConnected,
    headsetOutgoingCallEstablish,
    headsetIncomingCallEstablish,
    headsetActiveCall
} headsetHfpState;

typedef enum
{
    avHeadsetA2dpInitialising,
    avHeadsetA2dpReady,
    avHeadsetA2dpInitiating,
    avHeadsetA2dpSignallingActive,
    avHeadsetA2dpConnected,
    avHeadsetA2dpStreaming
} headsetA2dpState;

typedef enum
{
    avHeadsetAvrcpInitialising,
    avHeadsetAvrcpReady,
    avHeadsetAvrcpConnecting,
    avHeadsetAvrcpConnected
} headsetAvrcpState;

typedef enum
{
    none_active,
    hfp_active,
    av_active
} activeProfileState;


typedef enum
{
    power_state_off,
    power_state_off_charging,
    power_state_on,
    power_state_on_charging
} power_state;

typedef struct
{
    unsigned auto_switch_off_timeout:16;
    unsigned dummy:10;
    unsigned auto_switch_off_enabled:1;
    unsigned auto_reconnect:1;
    unsigned ring_tone_select:4;
} features_type;

typedef struct
{
    unsigned hfp_volume:8;
    unsigned av_volume:8;
} volume_type;


typedef struct
{
    TaskData            task;
    Task				codec_task;
    TaskData            controls_task;
    PioState            pio_state;

    /* Common states */
    volume_type         speaker_volume;
    activeProfileState  active_profile;
    power_state         headset_power_state;
    power_source_type   power_source;
    features_type       features;
    
    /* AV states */
    A2DP*               a2dp;
    AVRCP*              avrcp;
    headsetA2dpState    a2dp_state;
    headsetAvrcpState   avrcp_state;
	Sink                sig_sink;
    Sink                media_sink;
    a2dp_channel_mode	channel_mode;
	uint32  			rate;   
    bool                avrcp_pending; 	
	
    /* HFP states */
    headsetHfpState     hfp_state;
    uint16              headset_connecting_hfp;
    Sink                slc_sink;
    Sink                sco_sink;
    uint16              supp_features_0;
    hfp_profile         profile_connected;
    HFP                 *hfp;
    HFP                 *hsp;    
	uint16              mic_volume;
	
	/* Boolean variables */
	unsigned			mic_mute_on:1;
	unsigned			using_wbs:1;	
	unsigned			charger_connected:1;
	unsigned			battery_full:1;
	
	unsigned            voice_recognition_enabled:1;
	unsigned            in_band_ring_enabled:1;
	unsigned            pairing_enabled:1;
	unsigned            sent_suspend:1;
	
	unsigned			connect_av:1;	
	unsigned            av_stream_stopped:1;	
	unsigned            stored_av_stream_stopped:1;	
	unsigned            headset_connecting_av:1;
	
	unsigned 			play_state:1;
	unsigned			av_stream_connected:1;
	unsigned			dummy:2;
        
} headsetTaskData;


/****************************************************************************
NAME    
    avGetAppTask
    
DESCRIPTION
  Returns the AV headset application main task.

RETURNS
    Task
*/
Task getAppTask(void);

/****************************************************************************
NAME    
    avGetApp
    
DESCRIPTION
  Returns the AV headset application state

RETURNS
    headsetTaskData
*/
headsetTaskData *getApp(void);


#endif /* _HEADSET_PRIVATE_H_ */