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#include "fixed31_32.h"
31#include "dc_dp_types.h"
32
33#define AUDIO_INFO_DISPLAY_NAME_SIZE_IN_CHARS 20
34#define MAX_HW_AUDIO_INFO_DISPLAY_NAME_SIZE_IN_CHARS 18
35#define MULTI_CHANNEL_SPLIT_NO_ASSO_INFO 0xFFFFFFFF
36
37struct audio_dp_link_info {
38 uint32_t link_bandwidth_kbps;
39 uint32_t hblank_min_symbol_width;
40 enum dp_link_encoding encoding;
41 enum dc_link_rate link_rate;
42 enum dc_lane_count lane_count;
43 bool is_mst;
44};
45
46struct audio_crtc_info {
47 uint32_t h_total;
48 uint32_t h_active;
49 uint32_t v_active;
50 uint32_t requested_pixel_clock_100Hz; /* in 100Hz */
51 uint32_t calculated_pixel_clock_100Hz; /* in 100Hz */
52 uint32_t dsc_bits_per_pixel;
53 uint32_t dsc_num_slices;
54 enum dc_color_depth color_depth;
55 enum dc_pixel_encoding pixel_encoding;
56 uint16_t refresh_rate;
57 uint8_t pixel_repetition;
58 bool interlaced;
59};
60struct azalia_clock_info {
61 uint32_t pixel_clock_in_10khz;
62 uint32_t audio_dto_phase;
63 uint32_t audio_dto_module;
64 uint32_t audio_dto_wall_clock_ratio;
65};
66
67enum audio_dto_source {
68 DTO_SOURCE_UNKNOWN = 0,
69 DTO_SOURCE_ID0,
70 DTO_SOURCE_ID1,
71 DTO_SOURCE_ID2,
72 DTO_SOURCE_ID3,
73 DTO_SOURCE_ID4,
74 DTO_SOURCE_ID5
75};
76
77/* PLL information required for AZALIA DTO calculation */
78
79struct audio_pll_info {
80 uint32_t audio_dto_source_clock_in_khz;
81 uint32_t ss_percentage;
82 enum audio_dto_source dto_source;
83 bool ss_enabled;
84};
85
86struct audio_channel_associate_info {
87 union {
88 struct {
89 uint32_t ALL_CHANNEL_FL:4;
90 uint32_t ALL_CHANNEL_FR:4;
91 uint32_t ALL_CHANNEL_FC:4;
92 uint32_t ALL_CHANNEL_Sub:4;
93 uint32_t ALL_CHANNEL_SL:4;
94 uint32_t ALL_CHANNEL_SR:4;
95 uint32_t ALL_CHANNEL_BL:4;
96 uint32_t ALL_CHANNEL_BR:4;
97 } bits;
98 uint32_t u32all;
99 };
100};
101
102struct audio_output {
103 /* Front DIG id. */
104 enum engine_id engine_id;
105 /* encoder output signal */
106 enum signal_type signal;
107 /* video timing */
108 struct audio_crtc_info crtc_info;
109 /* DP link info */
110 struct audio_dp_link_info dp_link_info;
111 /* PLL for audio */
112 struct audio_pll_info pll_info;
113};
114
115enum audio_payload {
116 CHANNEL_SPLIT_MAPPINGCHANG = 0x9,
117};
118
119#endif /* __AUDIO_TYPES_H__ */
120

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