[thirdparty/u-boot.git] / include / sound.h

/* SPDX-License-Identifier: GPL-2.0+ */
/*
 * Copyright (C) 2012 Samsung Electronics
 * R. Chandrasekar < rcsekar@samsung.com>
 */

#ifndef __SOUND_H__
#define __SOUND_H__

/* sound codec enum */
enum en_sound_codec {
	CODEC_WM_8994,
	CODEC_WM_8995,
	CODEC_MAX_98095,
	CODEC_MAX
};

/* sound codec enum */
enum sound_compat {
	AUDIO_COMPAT_SPI,
	AUDIO_COMPAT_I2C,
};

/* Codec information structure to store the info from device tree */
struct sound_codec_info {
	int i2c_bus;
	int i2c_dev_addr;
	enum en_sound_codec codec_type;
};

/*
 * Generates square wave sound data for 1 second
 *
 * @param data          data buffer pointer
 * @param size          size of the buffer
 * @param freq          frequency of the wave
 */
void sound_create_square_wave(unsigned short *data, int size, uint32_t freq);

/*
 * Initialises audio sub system
 * @param blob	Pointer of device tree node or NULL if none.
 * @return	int value 0 for success, -1 for error
 */
int sound_init(const void *blob);

/*
 * plays the pcm data buffer in pcm_data.h through i2s1 to make the
 * sine wave sound
 *
 * @return	int 0 for success, -1 for error
 */
int sound_play(uint32_t msec, uint32_t frequency);

#endif  /* __SOUND__H__ */
Commit	Line	Data
83d290c5	1	/* SPDX-License-Identifier: GPL-2.0+ */
511ed5fd RS	2	/*
	3	* Copyright (C) 2012 Samsung Electronics
	4	* R. Chandrasekar < rcsekar@samsung.com>
511ed5fd RS	5	*/
	6
	7	#ifndef __SOUND_H__
	8	#define __SOUND_H__
	9
	10	/* sound codec enum */
	11	enum en_sound_codec {
	12	CODEC_WM_8994,
	13	CODEC_WM_8995,
14d2dfc3	14	CODEC_MAX_98095,
511ed5fd RS	15	CODEC_MAX
	16	};
	17
	18	/* sound codec enum */
	19	enum sound_compat {
	20	AUDIO_COMPAT_SPI,
	21	AUDIO_COMPAT_I2C,
	22	};
	23
	24	/* Codec information structure to store the info from device tree */
	25	struct sound_codec_info {
	26	int i2c_bus;
	27	int i2c_dev_addr;
	28	enum en_sound_codec codec_type;
	29	};
	30
a77bf709 SG	31	/*
	32	* Generates square wave sound data for 1 second
	33	*
	34	* @param data data buffer pointer
	35	* @param size size of the buffer
	36	* @param freq frequency of the wave
	37	*/
	38	void sound_create_square_wave(unsigned short *data, int size, uint32_t freq);
	39
511ed5fd RS	40	/*
511ed5fd RS	41	* Initialises audio sub system
f482310c	42	* @param blob Pointer of device tree node or NULL if none.
511ed5fd RS	43	* @return int value 0 for success, -1 for error
511ed5fd RS	44	*/
f482310c	45	int sound_init(const void *blob);
511ed5fd RS	46
	47	/*
	48	* plays the pcm data buffer in pcm_data.h through i2s1 to make the
	49	* sine wave sound
	50	*
	51	* @return int 0 for success, -1 for error
	52	*/
	53	int sound_play(uint32_t msec, uint32_t frequency);
	54
	55	#endif /* __SOUND__H__ */