1/*
2 * Copyright 2012-15 Advanced Micro Devices, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 * Authors: AMD
23 *
24 */
25
26#ifndef __DAL_AUDIO_H__
27#define __DAL_AUDIO_H__
28
29#include "audio_types.h"
30
31struct audio;
32
33struct audio_funcs {
34
35 bool (*endpoint_valid)(struct audio *audio);
36
37 void (*hw_init)(struct audio *audio);
38
39 void (*az_enable)(struct audio *audio);
40
41 void (*az_disable)(struct audio *audio);
42
43 void (*az_configure)(struct audio *audio,
44 enum signal_type signal,
45 const struct audio_crtc_info *crtc_info,
46 const struct audio_info *audio_info,
47 const struct audio_dp_link_info *dp_link_info);
48
49 void (*az_disable_hbr_audio)(struct audio *audio);
50
51 void (*wall_dto_setup)(struct audio *audio,
52 enum signal_type signal,
53 const struct audio_crtc_info *crtc_info,
54 const struct audio_pll_info *pll_info);
55
56 void (*destroy)(struct audio **audio);
57};
58
59struct audio {
60 const struct audio_funcs *funcs;
61 struct dc_context *ctx;
62 unsigned int inst;
63 bool enabled;
64};
65
66#endif /* __DAL_AUDIO__ */
67

source code of linux/drivers/gpu/drm/amd/display/dc/inc/hw/audio.h