drivers/gpu/drm/amd/display/include/audio_types.h

   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
  36 struct 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; /* in KHz */
  42         uint32_t calculated_pixel_clock; /* in KHz */
  43         uint32_t refresh_rate;
  44         enum dc_color_depth color_depth;
  45         bool interlaced;
  46 };
  47 struct 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
  54 enum 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
  66 struct 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
  75 struct 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
  91 struct 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
 102 enum audio_payload {
 103         CHANNEL_SPLIT_MAPPINGCHANG = 0x9,
 104 };
 105
 106 #endif /* __AUDIO_TYPES_H__ */