| Ajay Singh Parmar | 3dc92a2 | 2017-08-05 00:09:35 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2016-2017, The Linux Foundation. All rights reserved. |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License version 2 and |
| 6 | * only version 2 as published by the Free Software Foundation. |
| 7 | * |
| 8 | * This program is distributed in the hope that it will be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | * GNU General Public License for more details. |
| 12 | * |
| 13 | */ |
| 14 | |
| 15 | #ifndef _DP_AUDIO_H_ |
| 16 | #define _DP_AUDIO_H_ |
| 17 | |
| 18 | #include <linux/platform_device.h> |
| 19 | |
| 20 | #include "dp_panel.h" |
| 21 | #include "dp_catalog.h" |
| 22 | |
| 23 | /** |
| 24 | * struct dp_audio |
| 25 | * @lane_count: number of lanes configured in current session |
| 26 | * @bw_code: link rate's bandwidth code for current session |
| 27 | */ |
| 28 | struct dp_audio { |
| 29 | u32 lane_count; |
| 30 | u32 bw_code; |
| 31 | |
| Ajay Singh Parmar | db14789 | 2017-10-18 15:42:41 -0700 | [diff] [blame] | 32 | struct mutex ops_lock; |
| 33 | |
| Ajay Singh Parmar | 3dc92a2 | 2017-08-05 00:09:35 -0700 | [diff] [blame] | 34 | /** |
| 35 | * on() |
| 36 | * |
| 37 | * Enables the audio by notifying the user module. |
| 38 | * |
| 39 | * @dp_audio: an instance of struct dp_audio. |
| 40 | * |
| 41 | * Returns the error code in case of failure, 0 in success case. |
| 42 | */ |
| 43 | int (*on)(struct dp_audio *dp_audio); |
| 44 | |
| 45 | /** |
| 46 | * off() |
| 47 | * |
| 48 | * Disables the audio by notifying the user module. |
| 49 | * |
| 50 | * @dp_audio: an instance of struct dp_audio. |
| 51 | * |
| 52 | * Returns the error code in case of failure, 0 in success case. |
| 53 | */ |
| 54 | int (*off)(struct dp_audio *dp_audio); |
| 55 | }; |
| 56 | |
| 57 | /** |
| 58 | * dp_audio_get() |
| 59 | * |
| 60 | * Creates and instance of dp audio. |
| 61 | * |
| 62 | * @pdev: caller's platform device instance. |
| 63 | * @panel: an instance of dp_panel module. |
| 64 | * @catalog: an instance of dp_catalog_audio module. |
| 65 | * |
| 66 | * Returns the error code in case of failure, otherwize |
| 67 | * an instance of newly created dp_module. |
| 68 | */ |
| 69 | struct dp_audio *dp_audio_get(struct platform_device *pdev, |
| 70 | struct dp_panel *panel, |
| 71 | struct dp_catalog_audio *catalog); |
| 72 | |
| 73 | /** |
| 74 | * dp_audio_put() |
| 75 | * |
| 76 | * Cleans the dp_audio instance. |
| 77 | * |
| 78 | * @dp_audio: an instance of dp_audio. |
| 79 | */ |
| 80 | void dp_audio_put(struct dp_audio *dp_audio); |
| 81 | #endif /* _DP_AUDIO_H_ */ |
| 82 | |
| 83 | |