/*
 * Copyright (C) 2017 Konsulko Group
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef _RADIO_IMPL_H
#define _RADIO_IMPL_H

#include <stdint.h>

typedef enum {
	BAND_AM = 0,
	BAND_FM
} radio_band_t;

typedef enum {
	SCAN_FORWARD = 0,
	SCAN_BACKWARD
} radio_scan_direction_t;

typedef void (*radio_scan_callback_t)(uint32_t frequency, void *data);

typedef void (*radio_freq_callback_t)(uint32_t frequency, void *data);

typedef enum {
	MONO = 0,
	STEREO
} radio_stereo_mode_t;

typedef struct {
	char *name;

	int (*init)(void);

	void (*set_output)(const char *output);

	uint32_t (*get_frequency)(void);

	void (*set_frequency)(uint32_t frequency);

	void (*set_frequency_callback)(radio_freq_callback_t callback,
				       void *data);

	radio_band_t (*get_band)(void);

	void (*set_band)(radio_band_t band);

	int (*band_supported)(radio_band_t band);

	uint32_t (*get_min_frequency)(radio_band_t band);

	uint32_t (*get_max_frequency)(radio_band_t band);

	uint32_t (*get_frequency_step)(radio_band_t band);

	void (*start)(void);

	void (*stop)(void);

	void (*scan_start)(radio_scan_direction_t direction,
			   radio_scan_callback_t callback,
			   void *data);

	void (*scan_stop)(void);

	radio_stereo_mode_t (*get_stereo_mode)(void);

	void (*set_stereo_mode)(radio_stereo_mode_t mode);

	char * (*get_rds_info)(void);

} radio_impl_ops_t;

#endif /* _RADIO_IMPL_H */