projects / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 511ed5fd RS |
1 | /* |
| 2 | * Copyright (C) 2012 Samsung Electronics | |
| 3 | * R. Chandrasekar < rcsekar@samsung.com> | |
| 4 | * | |
| 5 | * See file CREDITS for list of people who contributed to this | |
| 6 | * project. | |
| 7 | * | |
| 8 | * This program is free software; you can redistribute it and/or | |
| 9 | * modify it under the terms of the GNU General Public License as | |
| 10 | * published by the Free Software Foundation; either version 2 of | |
| 11 | * the License, or (at your option) any later version. | |
| 12 | * | |
| 13 | * This program is distributed in the hope that it will be useful, | |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 16 | * GNU General Public License for more details. | |
| 17 | * | |
| 18 | * You should have received a copy of the GNU General Public License | |
| 19 | * along with this program; if not, write to the Free Software | |
| 20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
| 21 | * MA 02111-1307 USA | |
| 22 | */ | |
| 23 | ||
| 24 | #ifndef __SOUND_H__ | |
| 25 | #define __SOUND_H__ | |
| 26 | ||
| 27 | /* sound codec enum */ | |
| 28 | enum en_sound_codec { | |
| 29 | CODEC_WM_8994, | |
| 30 | CODEC_WM_8995, | |
| 31 | CODEC_MAX | |
| 32 | }; | |
| 33 | ||
| 34 | /* sound codec enum */ | |
| 35 | enum sound_compat { | |
| 36 | AUDIO_COMPAT_SPI, | |
| 37 | AUDIO_COMPAT_I2C, | |
| 38 | }; | |
| 39 | ||
| 40 | /* Codec information structure to store the info from device tree */ | |
| 41 | struct sound_codec_info { | |
| 42 | int i2c_bus; | |
| 43 | int i2c_dev_addr; | |
| 44 | enum en_sound_codec codec_type; | |
| 45 | }; | |
| 46 | ||
| 47 | /* | |
| 48 | * Initialises audio sub system | |
| f482310c | 49 | * @param blob Pointer of device tree node or NULL if none. |
| 511ed5fd RS |
50 | * @return int value 0 for success, -1 for error |
| 51 | */ | |
| f482310c | 52 | int sound_init(const void *blob); |
| 511ed5fd RS |
53 | |
| 54 | /* | |
| 55 | * plays the pcm data buffer in pcm_data.h through i2s1 to make the | |
| 56 | * sine wave sound | |
| 57 | * | |
| 58 | * @return int 0 for success, -1 for error | |
| 59 | */ | |
| 60 | int sound_play(uint32_t msec, uint32_t frequency); | |
| 61 | ||
| 62 | #endif /* __SOUND__H__ */ |