mirror of
https://github.com/u-boot/u-boot.git
synced 2024-11-26 21:54:37 +08:00
f482310c6d
This patch adds FDT support to the sound driver. Signed-off-by: Rajeshwari Shinde <rajeshwari.s@samsung.com> Acked-by: Simon Glass <sjg@chromium.org> Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
63 lines
1.6 KiB
C
63 lines
1.6 KiB
C
/*
|
|
* Copyright (C) 2012 Samsung Electronics
|
|
* R. Chandrasekar < rcsekar@samsung.com>
|
|
*
|
|
* See file CREDITS for list of people who contributed to this
|
|
* project.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License as
|
|
* published by the Free Software Foundation; either version 2 of
|
|
* the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
|
* MA 02111-1307 USA
|
|
*/
|
|
|
|
#ifndef __SOUND_H__
|
|
#define __SOUND_H__
|
|
|
|
/* sound codec enum */
|
|
enum en_sound_codec {
|
|
CODEC_WM_8994,
|
|
CODEC_WM_8995,
|
|
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__ */
|