/*
 * Copyright (C) 2014 NXP Semiconductors, All Rights Reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 */

#ifndef TFA_SRC_TFA_EXT_H_
#define TFA_SRC_TFA_EXT_H_

#include "tfa_device.h"

/*
 * events
 */
/** Maximum value for enumerator */
#define LVM_MAXENUM (0xffff)

/*
 * This enum type specifies the different events that may trigger a callback.
 */
enum tfadsp_event_en {
	TFADSP_CMD_ACK = 1,		 /**< Command handling is completed */
	TFADSP_SOFT_MUTE_READY = 8,      /**< Muting completed */
	TFADSP_VOLUME_READY = 16,	/**< Volume change completed */
	TFADSP_DAMAGED_SPEAKER = 32,     /**< Damaged speaker was detected */
	TFADSP_CALIBRATE_DONE = 64,      /**< Calibration is completed */
	TFADSP_SPARSESIG_DETECTED = 128, /**< Sparse signal detected */
	TFADSP_CMD_READY = 256,		 /**< Ready to receive commands */
	TFADSP_EXT_PWRUP = 0x8000,       /**< DSP API has started, powered up */
	TFADSP_EXT_PWRDOWN = 0x8001,     /**< DSP API stopped, power down */
	TFADSP_EVENT_DUMMY = LVM_MAXENUM
};

typedef int (*tfa_event_handler_t)(struct tfa_device *tfa,
				   enum tfadsp_event_en tfadsp_event);
typedef int (*dsp_send_message_t)(struct tfa_device *tfa, int length,
				  const char *buf);
typedef int (*dsp_read_message_t)(struct tfa_device *tfa, int length,
				  char *buf);
typedef int (*dsp_write_reg_t)(struct tfa_device *tfa, unsigned char subaddress,
			       unsigned short value);

int tfa_ext_register(dsp_write_reg_t tfa_write_reg,
		     dsp_send_message_t tfa_send_message,
		     dsp_read_message_t tfa_read_message,
		     tfa_event_handler_t *tfa_event_handler);

#endif /* TFA_SRC_TFA_EXT_H_ */