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1 | /* |
2 | * Copyright (C) 2012 Samsung Electronics | |
3 | * R. Chandrasekar < rcsekar@samsung.com> | |
4 | * | |
1a459660 | 5 | * SPDX-License-Identifier: GPL-2.0+ |
511ed5fd RS |
6 | */ |
7 | ||
8 | #ifndef __SOUND_H__ | |
9 | #define __SOUND_H__ | |
10 | ||
11 | /* sound codec enum */ | |
12 | enum en_sound_codec { | |
13 | CODEC_WM_8994, | |
14 | CODEC_WM_8995, | |
14d2dfc3 | 15 | CODEC_MAX_98095, |
511ed5fd RS |
16 | CODEC_MAX |
17 | }; | |
18 | ||
19 | /* sound codec enum */ | |
20 | enum sound_compat { | |
21 | AUDIO_COMPAT_SPI, | |
22 | AUDIO_COMPAT_I2C, | |
23 | }; | |
24 | ||
25 | /* Codec information structure to store the info from device tree */ | |
26 | struct sound_codec_info { | |
27 | int i2c_bus; | |
28 | int i2c_dev_addr; | |
29 | enum en_sound_codec codec_type; | |
30 | }; | |
31 | ||
32 | /* | |
33 | * Initialises audio sub system | |
f482310c | 34 | * @param blob Pointer of device tree node or NULL if none. |
511ed5fd RS |
35 | * @return int value 0 for success, -1 for error |
36 | */ | |
f482310c | 37 | int sound_init(const void *blob); |
511ed5fd RS |
38 | |
39 | /* | |
40 | * plays the pcm data buffer in pcm_data.h through i2s1 to make the | |
41 | * sine wave sound | |
42 | * | |
43 | * @return int 0 for success, -1 for error | |
44 | */ | |
45 | int sound_play(uint32_t msec, uint32_t frequency); | |
46 | ||
47 | #endif /* __SOUND__H__ */ |