| Rajeshwari Shinde | 511ed5f | 2012-10-25 19:49:22 +0000 | [diff] [blame] | 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 |
| 49 | * |
| 50 | * @return int value 0 for success, -1 for error |
| 51 | */ |
| 52 | int sound_init(void); |
| 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__ */ |