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 __AUDIO_TYPES_H__
27#define __AUDIO_TYPES_H__
28
29#include "signal_types.h"
30
31#define AUDIO_INFO_DISPLAY_NAME_SIZE_IN_CHARS 20
32#define MAX_HW_AUDIO_INFO_DISPLAY_NAME_SIZE_IN_CHARS 18
33#define MULTI_CHANNEL_SPLIT_NO_ASSO_INFO 0xFFFFFFFF
34
35
36struct audio_crtc_info {
37 uint32_t h_total;
38 uint32_t h_active;
39 uint32_t v_active;
40 uint32_t pixel_repetition;
41 uint32_t requested_pixel_clock_100Hz; /* in 100Hz */
42 uint32_t calculated_pixel_clock_100Hz; /* in 100Hz */
43 uint32_t refresh_rate;
44 enum dc_color_depth color_depth;
45 bool interlaced;
46};
47struct azalia_clock_info {
48 uint32_t pixel_clock_in_10khz;
49 uint32_t audio_dto_phase;
50 uint32_t audio_dto_module;
51 uint32_t audio_dto_wall_clock_ratio;
52};
53
54enum audio_dto_source {
55 DTO_SOURCE_UNKNOWN = 0,
56 DTO_SOURCE_ID0,
57 DTO_SOURCE_ID1,
58 DTO_SOURCE_ID2,
59 DTO_SOURCE_ID3,
60 DTO_SOURCE_ID4,
61 DTO_SOURCE_ID5
62};
63
64/* PLL information required for AZALIA DTO calculation */
65
66struct audio_pll_info {
67 uint32_t dp_dto_source_clock_in_khz;
68 uint32_t feed_back_divider;
69 enum audio_dto_source dto_source;
70 bool ss_enabled;
71 uint32_t ss_percentage;
72 uint32_t ss_percentage_divider;
73};
74
75struct audio_channel_associate_info {
76 union {
77 struct {
78 uint32_t ALL_CHANNEL_FL:4;
79 uint32_t ALL_CHANNEL_FR:4;
80 uint32_t ALL_CHANNEL_FC:4;
81 uint32_t ALL_CHANNEL_Sub:4;
82 uint32_t ALL_CHANNEL_SL:4;
83 uint32_t ALL_CHANNEL_SR:4;
84 uint32_t ALL_CHANNEL_BL:4;
85 uint32_t ALL_CHANNEL_BR:4;
86 } bits;
87 uint32_t u32all;
88 };
89};
90
91struct audio_output {
92 /* Front DIG id. */
93 enum engine_id engine_id;
94 /* encoder output signal */
95 enum signal_type signal;
96 /* video timing */
97 struct audio_crtc_info crtc_info;
98 /* PLL for audio */
99 struct audio_pll_info pll_info;
100};
101
102enum audio_payload {
103 CHANNEL_SPLIT_MAPPINGCHANG = 0x9,
104};
105
106#endif /* __AUDIO_TYPES_H__ */
107

source code of linux/drivers/gpu/drm/amd/display/include/audio_types.h