u-boot/include/sound.h
Wolfgang Denk 1a4596601f Add GPL-2.0+ SPDX-License-Identifier to source files
Signed-off-by: Wolfgang Denk <wd@denx.de>
[trini: Fixup common/cmd_io.c]
Signed-off-by: Tom Rini <trini@ti.com>
2013-07-24 09:44:38 -04:00

47 lines
935 B
C

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