include/linux/hdmi.h

   1 /*
   2  * Copyright (C) 2012 Avionic Design GmbH
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License version 2 as
   6  * published by the Free Software Foundation.
   7  */
   8
   9 #ifndef __LINUX_HDMI_H_
  10 #define __LINUX_HDMI_H_
  11
  12 #include <linux/types.h>
  13
  14 enum hdmi_infoframe_type {
  15         HDMI_INFOFRAME_TYPE_VENDOR = 0x81,
  16         HDMI_INFOFRAME_TYPE_AVI = 0x82,
  17         HDMI_INFOFRAME_TYPE_SPD = 0x83,
  18         HDMI_INFOFRAME_TYPE_AUDIO = 0x84,
  19 };
  20
  21 #define HDMI_INFOFRAME_HEADER_SIZE  4
  22 #define HDMI_AVI_INFOFRAME_SIZE    13
  23 #define HDMI_SPD_INFOFRAME_SIZE    25
  24 #define HDMI_AUDIO_INFOFRAME_SIZE  10
  25
  26 enum hdmi_colorspace {
  27         HDMI_COLORSPACE_RGB,
  28         HDMI_COLORSPACE_YUV422,
  29         HDMI_COLORSPACE_YUV444,
  30 };
  31
  32 enum hdmi_scan_mode {
  33         HDMI_SCAN_MODE_NONE,
  34         HDMI_SCAN_MODE_OVERSCAN,
  35         HDMI_SCAN_MODE_UNDERSCAN,
  36 };
  37
  38 enum hdmi_colorimetry {
  39         HDMI_COLORIMETRY_NONE,
  40         HDMI_COLORIMETRY_ITU_601,
  41         HDMI_COLORIMETRY_ITU_709,
  42         HDMI_COLORIMETRY_EXTENDED,
  43 };
  44
  45 enum hdmi_picture_aspect {
  46         HDMI_PICTURE_ASPECT_NONE,
  47         HDMI_PICTURE_ASPECT_4_3,
  48         HDMI_PICTURE_ASPECT_16_9,
  49 };
  50
  51 enum hdmi_active_aspect {
  52         HDMI_ACTIVE_ASPECT_16_9_TOP = 2,
  53         HDMI_ACTIVE_ASPECT_14_9_TOP = 3,
  54         HDMI_ACTIVE_ASPECT_16_9_CENTER = 4,
  55         HDMI_ACTIVE_ASPECT_PICTURE = 8,
  56         HDMI_ACTIVE_ASPECT_4_3 = 9,
  57         HDMI_ACTIVE_ASPECT_16_9 = 10,
  58         HDMI_ACTIVE_ASPECT_14_9 = 11,
  59         HDMI_ACTIVE_ASPECT_4_3_SP_14_9 = 13,
  60         HDMI_ACTIVE_ASPECT_16_9_SP_14_9 = 14,
  61         HDMI_ACTIVE_ASPECT_16_9_SP_4_3 = 15,
  62 };
  63
  64 enum hdmi_extended_colorimetry {
  65         HDMI_EXTENDED_COLORIMETRY_XV_YCC_601,
  66         HDMI_EXTENDED_COLORIMETRY_XV_YCC_709,
  67         HDMI_EXTENDED_COLORIMETRY_S_YCC_601,
  68         HDMI_EXTENDED_COLORIMETRY_ADOBE_YCC_601,
  69         HDMI_EXTENDED_COLORIMETRY_ADOBE_RGB,
  70 };
  71
  72 enum hdmi_quantization_range {
  73         HDMI_QUANTIZATION_RANGE_DEFAULT,
  74         HDMI_QUANTIZATION_RANGE_LIMITED,
  75         HDMI_QUANTIZATION_RANGE_FULL,
  76 };
  77
  78 /* non-uniform picture scaling */
  79 enum hdmi_nups {
  80         HDMI_NUPS_UNKNOWN,
  81         HDMI_NUPS_HORIZONTAL,
  82         HDMI_NUPS_VERTICAL,
  83         HDMI_NUPS_BOTH,
  84 };
  85
  86 enum hdmi_ycc_quantization_range {
  87         HDMI_YCC_QUANTIZATION_RANGE_LIMITED,
  88         HDMI_YCC_QUANTIZATION_RANGE_FULL,
  89 };
  90
  91 enum hdmi_content_type {
  92         HDMI_CONTENT_TYPE_NONE,
  93         HDMI_CONTENT_TYPE_PHOTO,
  94         HDMI_CONTENT_TYPE_CINEMA,
  95         HDMI_CONTENT_TYPE_GAME,
  96 };
  97
  98 struct hdmi_avi_infoframe {
  99         enum hdmi_infoframe_type type;
 100         unsigned char version;
 101         unsigned char length;
 102         enum hdmi_colorspace colorspace;
 103         bool active_info_valid;
 104         bool horizontal_bar_valid;
 105         bool vertical_bar_valid;
 106         enum hdmi_scan_mode scan_mode;
 107         enum hdmi_colorimetry colorimetry;
 108         enum hdmi_picture_aspect picture_aspect;
 109         enum hdmi_active_aspect active_aspect;
 110         bool itc;
 111         enum hdmi_extended_colorimetry extended_colorimetry;
 112         enum hdmi_quantization_range quantization_range;
 113         enum hdmi_nups nups;
 114         unsigned char video_code;
 115         enum hdmi_ycc_quantization_range ycc_quantization_range;
 116         enum hdmi_content_type content_type;
 117         unsigned char pixel_repeat;
 118         unsigned short top_bar;
 119         unsigned short bottom_bar;
 120         unsigned short left_bar;
 121         unsigned short right_bar;
 122 };
 123
 124 int hdmi_avi_infoframe_init(struct hdmi_avi_infoframe *frame);
 125 ssize_t hdmi_avi_infoframe_pack(struct hdmi_avi_infoframe *frame, void *buffer,
 126                                 size_t size);
 127
 128 enum hdmi_spd_sdi {
 129         HDMI_SPD_SDI_UNKNOWN,
 130         HDMI_SPD_SDI_DSTB,
 131         HDMI_SPD_SDI_DVDP,
 132         HDMI_SPD_SDI_DVHS,
 133         HDMI_SPD_SDI_HDDVR,
 134         HDMI_SPD_SDI_DVC,
 135         HDMI_SPD_SDI_DSC,
 136         HDMI_SPD_SDI_VCD,
 137         HDMI_SPD_SDI_GAME,
 138         HDMI_SPD_SDI_PC,
 139         HDMI_SPD_SDI_BD,
 140         HDMI_SPD_SDI_SACD,
 141         HDMI_SPD_SDI_HDDVD,
 142         HDMI_SPD_SDI_PMP,
 143 };
 144
 145 struct hdmi_spd_infoframe {
 146         enum hdmi_infoframe_type type;
 147         unsigned char version;
 148         unsigned char length;
 149         char vendor[8];
 150         char product[16];
 151         enum hdmi_spd_sdi sdi;
 152 };
 153
 154 int hdmi_spd_infoframe_init(struct hdmi_spd_infoframe *frame,
 155                             const char *vendor, const char *product);
 156 ssize_t hdmi_spd_infoframe_pack(struct hdmi_spd_infoframe *frame, void *buffer,
 157                                 size_t size);
 158
 159 enum hdmi_audio_coding_type {
 160         HDMI_AUDIO_CODING_TYPE_STREAM,
 161         HDMI_AUDIO_CODING_TYPE_PCM,
 162         HDMI_AUDIO_CODING_TYPE_AC3,
 163         HDMI_AUDIO_CODING_TYPE_MPEG1,
 164         HDMI_AUDIO_CODING_TYPE_MP3,
 165         HDMI_AUDIO_CODING_TYPE_MPEG2,
 166         HDMI_AUDIO_CODING_TYPE_AAC_LC,
 167         HDMI_AUDIO_CODING_TYPE_DTS,
 168         HDMI_AUDIO_CODING_TYPE_ATRAC,
 169         HDMI_AUDIO_CODING_TYPE_DSD,
 170         HDMI_AUDIO_CODING_TYPE_EAC3,
 171         HDMI_AUDIO_CODING_TYPE_DTS_HD,
 172         HDMI_AUDIO_CODING_TYPE_MLP,
 173         HDMI_AUDIO_CODING_TYPE_DST,
 174         HDMI_AUDIO_CODING_TYPE_WMA_PRO,
 175 };
 176
 177 enum hdmi_audio_sample_size {
 178         HDMI_AUDIO_SAMPLE_SIZE_STREAM,
 179         HDMI_AUDIO_SAMPLE_SIZE_16,
 180         HDMI_AUDIO_SAMPLE_SIZE_20,
 181         HDMI_AUDIO_SAMPLE_SIZE_24,
 182 };
 183
 184 enum hdmi_audio_sample_frequency {
 185         HDMI_AUDIO_SAMPLE_FREQUENCY_STREAM,
 186         HDMI_AUDIO_SAMPLE_FREQUENCY_32000,
 187         HDMI_AUDIO_SAMPLE_FREQUENCY_44100,
 188         HDMI_AUDIO_SAMPLE_FREQUENCY_48000,
 189         HDMI_AUDIO_SAMPLE_FREQUENCY_88200,
 190         HDMI_AUDIO_SAMPLE_FREQUENCY_96000,
 191         HDMI_AUDIO_SAMPLE_FREQUENCY_176400,
 192         HDMI_AUDIO_SAMPLE_FREQUENCY_192000,
 193 };
 194
 195 enum hdmi_audio_coding_type_ext {
 196         HDMI_AUDIO_CODING_TYPE_EXT_STREAM,
 197         HDMI_AUDIO_CODING_TYPE_EXT_HE_AAC,
 198         HDMI_AUDIO_CODING_TYPE_EXT_HE_AAC_V2,
 199         HDMI_AUDIO_CODING_TYPE_EXT_MPEG_SURROUND,
 200 };
 201
 202 struct hdmi_audio_infoframe {
 203         enum hdmi_infoframe_type type;
 204         unsigned char version;
 205         unsigned char length;
 206         unsigned char channels;
 207         enum hdmi_audio_coding_type coding_type;
 208         enum hdmi_audio_sample_size sample_size;
 209         enum hdmi_audio_sample_frequency sample_frequency;
 210         enum hdmi_audio_coding_type_ext coding_type_ext;
 211         unsigned char channel_allocation;
 212         unsigned char level_shift_value;
 213         bool downmix_inhibit;
 214
 215 };
 216
 217 int hdmi_audio_infoframe_init(struct hdmi_audio_infoframe *frame);
 218 ssize_t hdmi_audio_infoframe_pack(struct hdmi_audio_infoframe *frame,
 219                                   void *buffer, size_t size);
 220
 221 struct hdmi_vendor_infoframe {
 222         enum hdmi_infoframe_type type;
 223         unsigned char version;
 224         unsigned char length;
 225         u8 data[27];
 226 };
 227
 228 ssize_t hdmi_vendor_infoframe_pack(struct hdmi_vendor_infoframe *frame,
 229                                    void *buffer, size_t size);
 230
 231 #endif /* _DRM_HDMI_H */