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3391 Serge 1
/*
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 * Copyright (C) 2012 Avionic Design GmbH
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License version 2 as
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 * published by the Free Software Foundation.
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 */
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#ifndef __LINUX_HDMI_H_
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#define __LINUX_HDMI_H_
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#include 
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enum hdmi_infoframe_type {
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	HDMI_INFOFRAME_TYPE_VENDOR = 0x81,
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	HDMI_INFOFRAME_TYPE_AVI = 0x82,
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	HDMI_INFOFRAME_TYPE_SPD = 0x83,
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	HDMI_INFOFRAME_TYPE_AUDIO = 0x84,
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};
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4103 Serge 21
#define HDMI_IEEE_OUI 0x000c03
3391 Serge 22
#define HDMI_INFOFRAME_HEADER_SIZE  4
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#define HDMI_AVI_INFOFRAME_SIZE    13
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#define HDMI_SPD_INFOFRAME_SIZE    25
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#define HDMI_AUDIO_INFOFRAME_SIZE  10
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4103 Serge 27
#define HDMI_INFOFRAME_SIZE(type)	\
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	(HDMI_INFOFRAME_HEADER_SIZE + HDMI_ ## type ## _INFOFRAME_SIZE)
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struct hdmi_any_infoframe {
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	enum hdmi_infoframe_type type;
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	unsigned char version;
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	unsigned char length;
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};
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3391 Serge 36
enum hdmi_colorspace {
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	HDMI_COLORSPACE_RGB,
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	HDMI_COLORSPACE_YUV422,
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	HDMI_COLORSPACE_YUV444,
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};
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enum hdmi_scan_mode {
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	HDMI_SCAN_MODE_NONE,
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	HDMI_SCAN_MODE_OVERSCAN,
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	HDMI_SCAN_MODE_UNDERSCAN,
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};
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enum hdmi_colorimetry {
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	HDMI_COLORIMETRY_NONE,
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	HDMI_COLORIMETRY_ITU_601,
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	HDMI_COLORIMETRY_ITU_709,
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	HDMI_COLORIMETRY_EXTENDED,
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};
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enum hdmi_picture_aspect {
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	HDMI_PICTURE_ASPECT_NONE,
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	HDMI_PICTURE_ASPECT_4_3,
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	HDMI_PICTURE_ASPECT_16_9,
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};
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enum hdmi_active_aspect {
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	HDMI_ACTIVE_ASPECT_16_9_TOP = 2,
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	HDMI_ACTIVE_ASPECT_14_9_TOP = 3,
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	HDMI_ACTIVE_ASPECT_16_9_CENTER = 4,
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	HDMI_ACTIVE_ASPECT_PICTURE = 8,
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	HDMI_ACTIVE_ASPECT_4_3 = 9,
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	HDMI_ACTIVE_ASPECT_16_9 = 10,
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	HDMI_ACTIVE_ASPECT_14_9 = 11,
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	HDMI_ACTIVE_ASPECT_4_3_SP_14_9 = 13,
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	HDMI_ACTIVE_ASPECT_16_9_SP_14_9 = 14,
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	HDMI_ACTIVE_ASPECT_16_9_SP_4_3 = 15,
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};
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enum hdmi_extended_colorimetry {
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	HDMI_EXTENDED_COLORIMETRY_XV_YCC_601,
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	HDMI_EXTENDED_COLORIMETRY_XV_YCC_709,
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	HDMI_EXTENDED_COLORIMETRY_S_YCC_601,
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	HDMI_EXTENDED_COLORIMETRY_ADOBE_YCC_601,
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	HDMI_EXTENDED_COLORIMETRY_ADOBE_RGB,
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};
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82
enum hdmi_quantization_range {
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	HDMI_QUANTIZATION_RANGE_DEFAULT,
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	HDMI_QUANTIZATION_RANGE_LIMITED,
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	HDMI_QUANTIZATION_RANGE_FULL,
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};
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/* non-uniform picture scaling */
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enum hdmi_nups {
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	HDMI_NUPS_UNKNOWN,
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	HDMI_NUPS_HORIZONTAL,
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	HDMI_NUPS_VERTICAL,
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	HDMI_NUPS_BOTH,
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};
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enum hdmi_ycc_quantization_range {
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	HDMI_YCC_QUANTIZATION_RANGE_LIMITED,
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	HDMI_YCC_QUANTIZATION_RANGE_FULL,
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};
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enum hdmi_content_type {
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	HDMI_CONTENT_TYPE_NONE,
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	HDMI_CONTENT_TYPE_PHOTO,
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	HDMI_CONTENT_TYPE_CINEMA,
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	HDMI_CONTENT_TYPE_GAME,
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};
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struct hdmi_avi_infoframe {
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	enum hdmi_infoframe_type type;
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	unsigned char version;
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	unsigned char length;
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	enum hdmi_colorspace colorspace;
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	enum hdmi_scan_mode scan_mode;
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	enum hdmi_colorimetry colorimetry;
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	enum hdmi_picture_aspect picture_aspect;
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	enum hdmi_active_aspect active_aspect;
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	bool itc;
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	enum hdmi_extended_colorimetry extended_colorimetry;
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	enum hdmi_quantization_range quantization_range;
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	enum hdmi_nups nups;
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	unsigned char video_code;
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	enum hdmi_ycc_quantization_range ycc_quantization_range;
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	enum hdmi_content_type content_type;
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	unsigned char pixel_repeat;
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	unsigned short top_bar;
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	unsigned short bottom_bar;
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	unsigned short left_bar;
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	unsigned short right_bar;
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};
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int hdmi_avi_infoframe_init(struct hdmi_avi_infoframe *frame);
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ssize_t hdmi_avi_infoframe_pack(struct hdmi_avi_infoframe *frame, void *buffer,
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				size_t size);
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enum hdmi_spd_sdi {
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	HDMI_SPD_SDI_UNKNOWN,
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	HDMI_SPD_SDI_DSTB,
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	HDMI_SPD_SDI_DVDP,
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	HDMI_SPD_SDI_DVHS,
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	HDMI_SPD_SDI_HDDVR,
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	HDMI_SPD_SDI_DVC,
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	HDMI_SPD_SDI_DSC,
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	HDMI_SPD_SDI_VCD,
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	HDMI_SPD_SDI_GAME,
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	HDMI_SPD_SDI_PC,
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	HDMI_SPD_SDI_BD,
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	HDMI_SPD_SDI_SACD,
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	HDMI_SPD_SDI_HDDVD,
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	HDMI_SPD_SDI_PMP,
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};
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struct hdmi_spd_infoframe {
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	enum hdmi_infoframe_type type;
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	unsigned char version;
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	unsigned char length;
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	char vendor[8];
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	char product[16];
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	enum hdmi_spd_sdi sdi;
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};
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int hdmi_spd_infoframe_init(struct hdmi_spd_infoframe *frame,
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			    const char *vendor, const char *product);
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ssize_t hdmi_spd_infoframe_pack(struct hdmi_spd_infoframe *frame, void *buffer,
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				size_t size);
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enum hdmi_audio_coding_type {
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	HDMI_AUDIO_CODING_TYPE_STREAM,
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	HDMI_AUDIO_CODING_TYPE_PCM,
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	HDMI_AUDIO_CODING_TYPE_AC3,
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	HDMI_AUDIO_CODING_TYPE_MPEG1,
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	HDMI_AUDIO_CODING_TYPE_MP3,
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	HDMI_AUDIO_CODING_TYPE_MPEG2,
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	HDMI_AUDIO_CODING_TYPE_AAC_LC,
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	HDMI_AUDIO_CODING_TYPE_DTS,
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	HDMI_AUDIO_CODING_TYPE_ATRAC,
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	HDMI_AUDIO_CODING_TYPE_DSD,
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	HDMI_AUDIO_CODING_TYPE_EAC3,
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	HDMI_AUDIO_CODING_TYPE_DTS_HD,
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	HDMI_AUDIO_CODING_TYPE_MLP,
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	HDMI_AUDIO_CODING_TYPE_DST,
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	HDMI_AUDIO_CODING_TYPE_WMA_PRO,
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};
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enum hdmi_audio_sample_size {
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	HDMI_AUDIO_SAMPLE_SIZE_STREAM,
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	HDMI_AUDIO_SAMPLE_SIZE_16,
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	HDMI_AUDIO_SAMPLE_SIZE_20,
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	HDMI_AUDIO_SAMPLE_SIZE_24,
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};
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enum hdmi_audio_sample_frequency {
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	HDMI_AUDIO_SAMPLE_FREQUENCY_STREAM,
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	HDMI_AUDIO_SAMPLE_FREQUENCY_32000,
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	HDMI_AUDIO_SAMPLE_FREQUENCY_44100,
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	HDMI_AUDIO_SAMPLE_FREQUENCY_48000,
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	HDMI_AUDIO_SAMPLE_FREQUENCY_88200,
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	HDMI_AUDIO_SAMPLE_FREQUENCY_96000,
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	HDMI_AUDIO_SAMPLE_FREQUENCY_176400,
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	HDMI_AUDIO_SAMPLE_FREQUENCY_192000,
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};
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enum hdmi_audio_coding_type_ext {
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	HDMI_AUDIO_CODING_TYPE_EXT_STREAM,
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	HDMI_AUDIO_CODING_TYPE_EXT_HE_AAC,
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	HDMI_AUDIO_CODING_TYPE_EXT_HE_AAC_V2,
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	HDMI_AUDIO_CODING_TYPE_EXT_MPEG_SURROUND,
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};
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struct hdmi_audio_infoframe {
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	enum hdmi_infoframe_type type;
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	unsigned char version;
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	unsigned char length;
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	unsigned char channels;
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	enum hdmi_audio_coding_type coding_type;
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	enum hdmi_audio_sample_size sample_size;
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	enum hdmi_audio_sample_frequency sample_frequency;
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	enum hdmi_audio_coding_type_ext coding_type_ext;
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	unsigned char channel_allocation;
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	unsigned char level_shift_value;
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	bool downmix_inhibit;
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};
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int hdmi_audio_infoframe_init(struct hdmi_audio_infoframe *frame);
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ssize_t hdmi_audio_infoframe_pack(struct hdmi_audio_infoframe *frame,
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				  void *buffer, size_t size);
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4103 Serge 228
enum hdmi_3d_structure {
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	HDMI_3D_STRUCTURE_INVALID = -1,
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	HDMI_3D_STRUCTURE_FRAME_PACKING = 0,
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	HDMI_3D_STRUCTURE_FIELD_ALTERNATIVE,
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	HDMI_3D_STRUCTURE_LINE_ALTERNATIVE,
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	HDMI_3D_STRUCTURE_SIDE_BY_SIDE_FULL,
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	HDMI_3D_STRUCTURE_L_DEPTH,
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	HDMI_3D_STRUCTURE_L_DEPTH_GFX_GFX_DEPTH,
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	HDMI_3D_STRUCTURE_TOP_AND_BOTTOM,
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	HDMI_3D_STRUCTURE_SIDE_BY_SIDE_HALF = 8,
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};
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3391 Serge 241
struct hdmi_vendor_infoframe {
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	enum hdmi_infoframe_type type;
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	unsigned char version;
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	unsigned char length;
4103 Serge 245
	unsigned int oui;
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	u8 vic;
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	enum hdmi_3d_structure s3d_struct;
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	unsigned int s3d_ext_data;
3391 Serge 249
};
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4103 Serge 251
int hdmi_vendor_infoframe_init(struct hdmi_vendor_infoframe *frame);
3391 Serge 252
ssize_t hdmi_vendor_infoframe_pack(struct hdmi_vendor_infoframe *frame,
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				   void *buffer, size_t size);
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4103 Serge 255
union hdmi_vendor_any_infoframe {
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	struct {
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		enum hdmi_infoframe_type type;
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		unsigned char version;
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		unsigned char length;
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		unsigned int oui;
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	} any;
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	struct hdmi_vendor_infoframe hdmi;
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};
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5056 serge 265
/**
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 * union hdmi_infoframe - overall union of all abstract infoframe representations
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 * @any: generic infoframe
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 * @avi: avi infoframe
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 * @spd: spd infoframe
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 * @vendor: union of all vendor infoframes
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 * @audio: audio infoframe
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 *
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 * This is used by the generic pack function. This works since all infoframes
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 * have the same header which also indicates which type of infoframe should be
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 * packed.
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 */
4103 Serge 277
union hdmi_infoframe {
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	struct hdmi_any_infoframe any;
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	struct hdmi_avi_infoframe avi;
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	struct hdmi_spd_infoframe spd;
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	union hdmi_vendor_any_infoframe vendor;
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	struct hdmi_audio_infoframe audio;
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};
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285
ssize_t
286
hdmi_infoframe_pack(union hdmi_infoframe *frame, void *buffer, size_t size);
287
 
3391 Serge 288
#endif /* _DRM_HDMI_H */