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