179 lines
7.3 KiB
C
179 lines
7.3 KiB
C
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/*
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* Copyright (C) 2021 Amlogic Corporation.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef _HDMIRX_UTILS_H_
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#define _HDMIRX_UTILS_H_
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/**
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* Audio Format Description of CEC Short Audio Descriptor
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* CEA-861-D: Table 37. RequestShortAudioDescriptorAction.java
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*/
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typedef enum {
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AML_HDMI_FORMAT_RESERVED1 = 0x0, // SAD_CODEC_RESERVED1
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AML_HDMI_FORMAT_LPCM = 0x1, // SAD_CODEC_LPCM
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AML_HDMI_FORMAT_AC3 = 0x2, // SAD_CODEC_AC3
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AML_HDMI_FORMAT_MPEG1 = 0x3, // SAD_CODEC_MPEG1
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AML_HDMI_FORMAT_MP3 = 0x4, // SAD_CODEC_MP3
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AML_HDMI_FORMAT_MPEG2MC = 0x5, // SAD_CODEC_MPEG2MC
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AML_HDMI_FORMAT_AAC = 0x6, // SAD_CODEC_AAC
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AML_HDMI_FORMAT_DTS = 0x7, // SAD_CODEC_DTS
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AML_HDMI_FORMAT_ATRAC = 0x8, // SAD_CODEC_ATRAC
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AML_HDMI_FORMAT_OBA = 0x9, // SAD_CODEC_OBA
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AML_HDMI_FORMAT_DDP = 0xA, // SAD_CODEC_DDP
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AML_HDMI_FORMAT_DTSHD = 0xB, // SAD_CODEC_DTSHD
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AML_HDMI_FORMAT_MAT = 0xC, // SAD_CODEC_MAT
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AML_HDMI_FORMAT_DST = 0xD, // SAD_CODEC_DST
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AML_HDMI_FORMAT_WMAPRO = 0xE, // SAD_CODEC_WMAPRO
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AML_HDMI_FORMAT_MPEGH = 0xF, // SAD_CODEC_MPEGH
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} AML_HDMI_FORMAT_E;
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typedef enum {
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AML_HDMI_ARC_RATE_MASK_32000 = 0x1,
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AML_HDMI_ARC_RATE_MASK_44100 = 0x2,
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AML_HDMI_ARC_RATE_MASK_48000 = 0x4,
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AML_HDMI_ARC_RATE_MASK_88200 = 0x8,
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AML_HDMI_ARC_RATE_MASK_96000 = 0x10,
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AML_HDMI_ARC_RATE_MASK_176400 = 0x20,
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AML_HDMI_ARC_RATE_MASK_192000 = 0x40,
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} AML_HDMI_ARC_RATE_MASK_E;
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struct format_desc {
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AML_HDMI_FORMAT_E fmt;
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bool is_support;
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unsigned int max_channels;
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/*
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* bit: 6 5 4 3 2 1 0
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* rate: 192 176.4 96 88.2 48 44.1 32
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*/
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unsigned int sample_rate_mask;
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unsigned int max_bit_rate;
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/* only used by dd+ format */
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bool atmos_supported;
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/* parse Dolby Vendor-Specific Audio Data Block.
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* Dolby Audio and Dolby Atmos over HDMI Specification doc.
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* The audio_hw_profile.c files also has the detail description.
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* Sink device supports Dolby MAT PCM decoding at 48 kHz only,
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* and does not support Dolby TrueHD decoding.
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*/
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bool MAT_PCM_48kHz_only;
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/* The Codec Vendor specific (DTS Audio) Subtype from SAD (Byte 3).
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* | EDID SAD Byte1 | EDID SAD Byte3 | Description |
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* |----------------|---------------------|--------------------------|
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* | Bit3 ~ Bit6 | Bit2 | Bit1 | Bit0 | |
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* |----------------|---------------------|--------------------------|
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* | 7 = DTS |Byte3 = 0xC0 = Maximum bitrate divided by8kHz. |
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* |----------------|------------------------------------------------|
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* | 11 = DTS-HD | X | X | 0 |DTS-HD MA is NOT supported|
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* | 11 = DTS-HD | X | X | 1 |DTS-HD MA is supported. |
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* | 11 = DTS-HD | X | 1 | X |DTS:X (P1) is supported. |
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* | 11 = DTS-HD | 1 | X | X |DTS:X (P2) is supported. |
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* |-----------------------------------------------------------------|
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* DTS-HD extension substreams (with or without core) including XLL (lossless) bitstreams as know as DTS-HD MA.
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* DTS:X (P1) supports all DTS formats except DTS:X (P2).
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* DTS:X (P2) supports all DTS formats.
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*/
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unsigned int dts_vsdb_byte3;
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/* Table 6: Bits [7:0] of byte 3 of the Dolby MAT and Dolby TrueHD Short Audio Descriptor
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* Bits of byte 3
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* | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
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* | F37 – F35 = 0 | 34 = 0 | 33 = 0 | 32 = 0 | 31= 0 | 30= 0 | Dolby MAT profile 1
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* | F37 – F35 = 0 | 34 = 0 | 33 = 0 | 32 = 0 | 31= 0 | 30= 1 | Dolby MAT profile 2
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* | F37 – F35 = 0 | 34 = 0 | 33 = 0 | 32 = 0 | 31= 1 | 30= 1 | Dolby MAT profile 3
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* | F37 – F35 = 0 | 34 = 0 | 33 = 0 | 32 = 1 | 31= 1 | 30= 1 | Dolby MAT profile 4
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* | F37 – F35 = 0 | 34 = 0 | 33 = 1 | 32 = 1 | 31= 1 | 30= 1 | Dolby MAT profile 6
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*/
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bool enforce_single_oa_element;//mat sad byte3 is 0x1
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};
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/*
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*A Short Audio Descriptor is used by HDMI sink devices and HDMI ARC/eARC receiver devices to indicate
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*support for an audio format (for example, Dolby Digital Plus) to a connected HDMI source device or HDMI
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*ARC/eARC transmitter device.
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*/
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#define EDID_ARRAY_MAX_LEN 38 /* 3 bytes for each audio format, max 30 bytes for audio edid, 8 bytes for TLV header */
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struct aml_arc_hdmi_desc {
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int EDID_length;
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unsigned int avr_port;
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char SAD[EDID_ARRAY_MAX_LEN];
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bool default_edid;
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struct format_desc pcm_fmt;
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struct format_desc dts_fmt;
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struct format_desc dtshd_fmt;
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struct format_desc dd_fmt;
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struct format_desc ddp_fmt;
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struct format_desc mat_fmt;
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struct format_desc mpegh_fmt;
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};
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struct aml_arc_hdmi_desc *get_arc_hdmi_cap(struct aml_audio_device *adev);
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void clear_arc_cached_edid(struct aml_audio_device *adev);
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void set_arc_hdmi_updated(struct aml_audio_device *adev, bool enable);
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bool is_arc_hdmi_updated(struct aml_audio_device *adev);
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/*@ brief "set_ARC_format" for HDMIRX
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* return zero if success;
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*/
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int set_arc_hdmi(struct audio_hw_device *dev, char *value, size_t len);
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/*@ brief "set_ARC_format" for HDMIRX
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* return zero if success;
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*/
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int set_arc_format(struct audio_hw_device *dev, char *value, size_t len);
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/*@ brief update dolby atmos decoding and rendering cap for ddp sad
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* return zero if success;
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*/
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int update_dolby_atmos_decoding_and_rendering_cap_for_ddp_sad(
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void *array
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, int count
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, bool is_acmod_28_supported
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, bool is_joc_supported);
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/*@ brief update dolby MAT decoding cap for dolby MAT and dolby TRUEHD_sad
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* return zero if success;
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*/
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int update_dolby_MAT_decoding_cap_for_dolby_MAT_and_dolby_TRUEHD_sad(
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void *array
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, int count
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, bool is_mat_pcm_supported
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, bool is_truehd_supported);
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/*@ brief get current edid
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* return zero if success;
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*/
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int get_current_edid(struct aml_audio_device *adev, char *edid_array, int edid_array_len);
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/*@ brief after edited the audio sad, then update edid
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* return zero if success;
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*/
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int update_edid_after_edited_audio_sad(struct audio_hw_device *dev);
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//new & get & release instance
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struct hdmi_capability_manager *get_hdmi_capability_manager(struct aml_audio_device *adev);
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void restore_hdmi_desc(struct aml_audio_device *adev);
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int init_hdmi_capability_manager(struct aml_audio_device *adev);
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void destroy_hdmi_capability_manager(struct aml_audio_device *adev);
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#endif //_AUDIO_HDMI_UTIL_H_
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