Pileus Git - ~andy/linux/blob - 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 #define HDMI_INFOFRAME_SIZE(type)       \
  27         (HDMI_INFOFRAME_HEADER_SIZE + HDMI_ ## type ## _INFOFRAME_SIZE)
  28
  29 struct hdmi_any_infoframe {
  30         enum hdmi_infoframe_type type;
  31         unsigned char version;
  32         unsigned char length;
  33 };
  34
  35 enum hdmi_colorspace {
  36         HDMI_COLORSPACE_RGB,
  37         HDMI_COLORSPACE_YUV422,
  38         HDMI_COLORSPACE_YUV444,
  39 };
  40
  41 enum hdmi_scan_mode {
  42         HDMI_SCAN_MODE_NONE,
  43         HDMI_SCAN_MODE_OVERSCAN,
  44         HDMI_SCAN_MODE_UNDERSCAN,
  45 };
  46
  47 enum hdmi_colorimetry {
  48         HDMI_COLORIMETRY_NONE,
  49         HDMI_COLORIMETRY_ITU_601,
  50         HDMI_COLORIMETRY_ITU_709,
  51         HDMI_COLORIMETRY_EXTENDED,
  52 };
  53
  54 enum hdmi_picture_aspect {
  55         HDMI_PICTURE_ASPECT_NONE,
  56         HDMI_PICTURE_ASPECT_4_3,
  57         HDMI_PICTURE_ASPECT_16_9,
  58 };
  59
  60 enum hdmi_active_aspect {
  61         HDMI_ACTIVE_ASPECT_16_9_TOP = 2,
  62         HDMI_ACTIVE_ASPECT_14_9_TOP = 3,
  63         HDMI_ACTIVE_ASPECT_16_9_CENTER = 4,
  64         HDMI_ACTIVE_ASPECT_PICTURE = 8,
  65         HDMI_ACTIVE_ASPECT_4_3 = 9,
  66         HDMI_ACTIVE_ASPECT_16_9 = 10,
  67         HDMI_ACTIVE_ASPECT_14_9 = 11,
  68         HDMI_ACTIVE_ASPECT_4_3_SP_14_9 = 13,
  69         HDMI_ACTIVE_ASPECT_16_9_SP_14_9 = 14,
  70         HDMI_ACTIVE_ASPECT_16_9_SP_4_3 = 15,
  71 };
  72
  73 enum hdmi_extended_colorimetry {
  74         HDMI_EXTENDED_COLORIMETRY_XV_YCC_601,
  75         HDMI_EXTENDED_COLORIMETRY_XV_YCC_709,
  76         HDMI_EXTENDED_COLORIMETRY_S_YCC_601,
  77         HDMI_EXTENDED_COLORIMETRY_ADOBE_YCC_601,
  78         HDMI_EXTENDED_COLORIMETRY_ADOBE_RGB,
  79 };
  80
  81 enum hdmi_quantization_range {
  82         HDMI_QUANTIZATION_RANGE_DEFAULT,
  83         HDMI_QUANTIZATION_RANGE_LIMITED,
  84         HDMI_QUANTIZATION_RANGE_FULL,
  85 };
  86
  87 /* non-uniform picture scaling */
  88 enum hdmi_nups {
  89         HDMI_NUPS_UNKNOWN,
  90         HDMI_NUPS_HORIZONTAL,
  91         HDMI_NUPS_VERTICAL,
  92         HDMI_NUPS_BOTH,
  93 };
  94
  95 enum hdmi_ycc_quantization_range {
  96         HDMI_YCC_QUANTIZATION_RANGE_LIMITED,
  97         HDMI_YCC_QUANTIZATION_RANGE_FULL,
  98 };
  99
 100 enum hdmi_content_type {
 101         HDMI_CONTENT_TYPE_NONE,
 102         HDMI_CONTENT_TYPE_PHOTO,
 103         HDMI_CONTENT_TYPE_CINEMA,
 104         HDMI_CONTENT_TYPE_GAME,
 105 };
 106
 107 struct hdmi_avi_infoframe {
 108         enum hdmi_infoframe_type type;
 109         unsigned char version;
 110         unsigned char length;
 111         enum hdmi_colorspace colorspace;
 112         bool active_info_valid;
 113         bool horizontal_bar_valid;
 114         bool vertical_bar_valid;
 115         enum hdmi_scan_mode scan_mode;
 116         enum hdmi_colorimetry colorimetry;
 117         enum hdmi_picture_aspect picture_aspect;
 118         enum hdmi_active_aspect active_aspect;
 119         bool itc;
 120         enum hdmi_extended_colorimetry extended_colorimetry;
 121         enum hdmi_quantization_range quantization_range;
 122         enum hdmi_nups nups;
 123         unsigned char video_code;
 124         enum hdmi_ycc_quantization_range ycc_quantization_range;
 125         enum hdmi_content_type content_type;
 126         unsigned char pixel_repeat;
 127         unsigned short top_bar;
 128         unsigned short bottom_bar;
 129         unsigned short left_bar;
 130         unsigned short right_bar;
 131 };
 132
 133 int hdmi_avi_infoframe_init(struct hdmi_avi_infoframe *frame);
 134 ssize_t hdmi_avi_infoframe_pack(struct hdmi_avi_infoframe *frame, void *buffer,
 135                                 size_t size);
 136
 137 enum hdmi_spd_sdi {
 138         HDMI_SPD_SDI_UNKNOWN,
 139         HDMI_SPD_SDI_DSTB,
 140         HDMI_SPD_SDI_DVDP,
 141         HDMI_SPD_SDI_DVHS,
 142         HDMI_SPD_SDI_HDDVR,
 143         HDMI_SPD_SDI_DVC,
 144         HDMI_SPD_SDI_DSC,
 145         HDMI_SPD_SDI_VCD,
 146         HDMI_SPD_SDI_GAME,
 147         HDMI_SPD_SDI_PC,
 148         HDMI_SPD_SDI_BD,
 149         HDMI_SPD_SDI_SACD,
 150         HDMI_SPD_SDI_HDDVD,
 151         HDMI_SPD_SDI_PMP,
 152 };
 153
 154 struct hdmi_spd_infoframe {
 155         enum hdmi_infoframe_type type;
 156         unsigned char version;
 157         unsigned char length;
 158         char vendor[8];
 159         char product[16];
 160         enum hdmi_spd_sdi sdi;
 161 };
 162
 163 int hdmi_spd_infoframe_init(struct hdmi_spd_infoframe *frame,
 164                             const char *vendor, const char *product);
 165 ssize_t hdmi_spd_infoframe_pack(struct hdmi_spd_infoframe *frame, void *buffer,
 166                                 size_t size);
 167
 168 enum hdmi_audio_coding_type {
 169         HDMI_AUDIO_CODING_TYPE_STREAM,
 170         HDMI_AUDIO_CODING_TYPE_PCM,
 171         HDMI_AUDIO_CODING_TYPE_AC3,
 172         HDMI_AUDIO_CODING_TYPE_MPEG1,
 173         HDMI_AUDIO_CODING_TYPE_MP3,
 174         HDMI_AUDIO_CODING_TYPE_MPEG2,
 175         HDMI_AUDIO_CODING_TYPE_AAC_LC,
 176         HDMI_AUDIO_CODING_TYPE_DTS,
 177         HDMI_AUDIO_CODING_TYPE_ATRAC,
 178         HDMI_AUDIO_CODING_TYPE_DSD,
 179         HDMI_AUDIO_CODING_TYPE_EAC3,
 180         HDMI_AUDIO_CODING_TYPE_DTS_HD,
 181         HDMI_AUDIO_CODING_TYPE_MLP,
 182         HDMI_AUDIO_CODING_TYPE_DST,
 183         HDMI_AUDIO_CODING_TYPE_WMA_PRO,
 184 };
 185
 186 enum hdmi_audio_sample_size {
 187         HDMI_AUDIO_SAMPLE_SIZE_STREAM,
 188         HDMI_AUDIO_SAMPLE_SIZE_16,
 189         HDMI_AUDIO_SAMPLE_SIZE_20,
 190         HDMI_AUDIO_SAMPLE_SIZE_24,
 191 };
 192
 193 enum hdmi_audio_sample_frequency {
 194         HDMI_AUDIO_SAMPLE_FREQUENCY_STREAM,
 195         HDMI_AUDIO_SAMPLE_FREQUENCY_32000,
 196         HDMI_AUDIO_SAMPLE_FREQUENCY_44100,
 197         HDMI_AUDIO_SAMPLE_FREQUENCY_48000,
 198         HDMI_AUDIO_SAMPLE_FREQUENCY_88200,
 199         HDMI_AUDIO_SAMPLE_FREQUENCY_96000,
 200         HDMI_AUDIO_SAMPLE_FREQUENCY_176400,
 201         HDMI_AUDIO_SAMPLE_FREQUENCY_192000,
 202 };
 203
 204 enum hdmi_audio_coding_type_ext {
 205         HDMI_AUDIO_CODING_TYPE_EXT_STREAM,
 206         HDMI_AUDIO_CODING_TYPE_EXT_HE_AAC,
 207         HDMI_AUDIO_CODING_TYPE_EXT_HE_AAC_V2,
 208         HDMI_AUDIO_CODING_TYPE_EXT_MPEG_SURROUND,
 209 };
 210
 211 struct hdmi_audio_infoframe {
 212         enum hdmi_infoframe_type type;
 213         unsigned char version;
 214         unsigned char length;
 215         unsigned char channels;
 216         enum hdmi_audio_coding_type coding_type;
 217         enum hdmi_audio_sample_size sample_size;
 218         enum hdmi_audio_sample_frequency sample_frequency;
 219         enum hdmi_audio_coding_type_ext coding_type_ext;
 220         unsigned char channel_allocation;
 221         unsigned char level_shift_value;
 222         bool downmix_inhibit;
 223
 224 };
 225
 226 int hdmi_audio_infoframe_init(struct hdmi_audio_infoframe *frame);
 227 ssize_t hdmi_audio_infoframe_pack(struct hdmi_audio_infoframe *frame,
 228                                   void *buffer, size_t size);
 229
 230 struct hdmi_vendor_infoframe {
 231         enum hdmi_infoframe_type type;
 232         unsigned char version;
 233         unsigned char length;
 234         u8 data[27];
 235 };
 236
 237 ssize_t hdmi_vendor_infoframe_pack(struct hdmi_vendor_infoframe *frame,
 238                                    void *buffer, size_t size);
 239
 240 union hdmi_infoframe {
 241         struct hdmi_any_infoframe any;
 242         struct hdmi_avi_infoframe avi;
 243         struct hdmi_spd_infoframe spd;
 244         struct hdmi_vendor_infoframe vendor;
 245         struct hdmi_audio_infoframe audio;
 246 };
 247
 248 ssize_t
 249 hdmi_infoframe_pack(union hdmi_infoframe *frame, void *buffer, size_t size);
 250
 251 #endif /* _DRM_HDMI_H */