1/* 2 * Copyright (C) 2012 Avionic Design GmbH 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sub license, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice (including the 12 * next paragraph) shall be included in all copies or substantial portions 13 * of the Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 21 * DEALINGS IN THE SOFTWARE. 22 * 23 * $FreeBSD$ 24 */ 25 26#ifndef _HDMI_H_ 27#define _HDMI_H_ 28 29enum hdmi_infoframe_type { 30 HDMI_INFOFRAME_TYPE_VENDOR = 0x81, 31 HDMI_INFOFRAME_TYPE_AVI = 0x82, 32 HDMI_INFOFRAME_TYPE_SPD = 0x83, 33 HDMI_INFOFRAME_TYPE_AUDIO = 0x84, 34}; 35 36#define HDMI_IEEE_OUI 0x000c03 37#define HDMI_INFOFRAME_HEADER_SIZE 4 38#define HDMI_AVI_INFOFRAME_SIZE 13 39#define HDMI_SPD_INFOFRAME_SIZE 25 40#define HDMI_AUDIO_INFOFRAME_SIZE 10 41 42#define HDMI_INFOFRAME_SIZE(type) \ 43 (HDMI_INFOFRAME_HEADER_SIZE + HDMI_ ## type ## _INFOFRAME_SIZE) 44 45struct hdmi_any_infoframe { 46 enum hdmi_infoframe_type type; 47 unsigned char version; 48 unsigned char length; 49}; 50 51enum hdmi_colorspace { 52 HDMI_COLORSPACE_RGB, 53 HDMI_COLORSPACE_YUV422, 54 HDMI_COLORSPACE_YUV444, 55 HDMI_COLORSPACE_YUV420, 56 HDMI_COLORSPACE_RESERVED4, 57 HDMI_COLORSPACE_RESERVED5, 58 HDMI_COLORSPACE_RESERVED6, 59 HDMI_COLORSPACE_IDO_DEFINED, 60}; 61 62enum hdmi_scan_mode { 63 HDMI_SCAN_MODE_NONE, 64 HDMI_SCAN_MODE_OVERSCAN, 65 HDMI_SCAN_MODE_UNDERSCAN, 66 HDMI_SCAN_MODE_RESERVED, 67}; 68 69enum hdmi_colorimetry { 70 HDMI_COLORIMETRY_NONE, 71 HDMI_COLORIMETRY_ITU_601, 72 HDMI_COLORIMETRY_ITU_709, 73 HDMI_COLORIMETRY_EXTENDED, 74}; 75 76enum hdmi_picture_aspect { 77 HDMI_PICTURE_ASPECT_NONE, 78 HDMI_PICTURE_ASPECT_4_3, 79 HDMI_PICTURE_ASPECT_16_9, 80 HDMI_PICTURE_ASPECT_RESERVED, 81}; 82 83enum hdmi_active_aspect { 84 HDMI_ACTIVE_ASPECT_16_9_TOP = 2, 85 HDMI_ACTIVE_ASPECT_14_9_TOP = 3, 86 HDMI_ACTIVE_ASPECT_16_9_CENTER = 4, 87 HDMI_ACTIVE_ASPECT_PICTURE = 8, 88 HDMI_ACTIVE_ASPECT_4_3 = 9, 89 HDMI_ACTIVE_ASPECT_16_9 = 10, 90 HDMI_ACTIVE_ASPECT_14_9 = 11, 91 HDMI_ACTIVE_ASPECT_4_3_SP_14_9 = 13, 92 HDMI_ACTIVE_ASPECT_16_9_SP_14_9 = 14, 93 HDMI_ACTIVE_ASPECT_16_9_SP_4_3 = 15, 94}; 95 96enum hdmi_extended_colorimetry { 97 HDMI_EXTENDED_COLORIMETRY_XV_YCC_601, 98 HDMI_EXTENDED_COLORIMETRY_XV_YCC_709, 99 HDMI_EXTENDED_COLORIMETRY_S_YCC_601, 100 HDMI_EXTENDED_COLORIMETRY_ADOBE_YCC_601, 101 HDMI_EXTENDED_COLORIMETRY_ADOBE_RGB, 102 103 /* The following EC values are only defined in CEA-861-F. */ 104 HDMI_EXTENDED_COLORIMETRY_BT2020_CONST_LUM, 105 HDMI_EXTENDED_COLORIMETRY_BT2020, 106 HDMI_EXTENDED_COLORIMETRY_RESERVED, 107}; 108 109enum hdmi_quantization_range { 110 HDMI_QUANTIZATION_RANGE_DEFAULT, 111 HDMI_QUANTIZATION_RANGE_LIMITED, 112 HDMI_QUANTIZATION_RANGE_FULL, 113 HDMI_QUANTIZATION_RANGE_RESERVED, 114}; 115 116/* non-uniform picture scaling */ 117enum hdmi_nups { 118 HDMI_NUPS_UNKNOWN, 119 HDMI_NUPS_HORIZONTAL, 120 HDMI_NUPS_VERTICAL, 121 HDMI_NUPS_BOTH, 122}; 123 124enum hdmi_ycc_quantization_range { 125 HDMI_YCC_QUANTIZATION_RANGE_LIMITED, 126 HDMI_YCC_QUANTIZATION_RANGE_FULL, 127}; 128 129enum hdmi_content_type { 130 HDMI_CONTENT_TYPE_GRAPHICS, 131 HDMI_CONTENT_TYPE_PHOTO, 132 HDMI_CONTENT_TYPE_CINEMA, 133 HDMI_CONTENT_TYPE_GAME, 134}; 135 136struct hdmi_avi_infoframe { 137 enum hdmi_infoframe_type type; 138 unsigned char version; 139 unsigned char length; 140 enum hdmi_colorspace colorspace; 141 enum hdmi_scan_mode scan_mode; 142 enum hdmi_colorimetry colorimetry; 143 enum hdmi_picture_aspect picture_aspect; 144 enum hdmi_active_aspect active_aspect; 145 bool itc; 146 enum hdmi_extended_colorimetry extended_colorimetry; 147 enum hdmi_quantization_range quantization_range; 148 enum hdmi_nups nups; 149 unsigned char video_code; 150 enum hdmi_ycc_quantization_range ycc_quantization_range; 151 enum hdmi_content_type content_type; 152 unsigned char pixel_repeat; 153 unsigned short top_bar; 154 unsigned short bottom_bar; 155 unsigned short left_bar; 156 unsigned short right_bar; 157}; 158 159int hdmi_avi_infoframe_init(struct hdmi_avi_infoframe *frame); 160ssize_t hdmi_avi_infoframe_pack(struct hdmi_avi_infoframe *frame, void *buffer, 161 size_t size); 162 163enum hdmi_spd_sdi { 164 HDMI_SPD_SDI_UNKNOWN, 165 HDMI_SPD_SDI_DSTB, 166 HDMI_SPD_SDI_DVDP, 167 HDMI_SPD_SDI_DVHS, 168 HDMI_SPD_SDI_HDDVR, 169 HDMI_SPD_SDI_DVC, 170 HDMI_SPD_SDI_DSC, 171 HDMI_SPD_SDI_VCD, 172 HDMI_SPD_SDI_GAME, 173 HDMI_SPD_SDI_PC, 174 HDMI_SPD_SDI_BD, 175 HDMI_SPD_SDI_SACD, 176 HDMI_SPD_SDI_HDDVD, 177 HDMI_SPD_SDI_PMP, 178}; 179 180struct hdmi_spd_infoframe { 181 enum hdmi_infoframe_type type; 182 unsigned char version; 183 unsigned char length; 184 char vendor[8]; 185 char product[16]; 186 enum hdmi_spd_sdi sdi; 187}; 188 189int hdmi_spd_infoframe_init(struct hdmi_spd_infoframe *frame, 190 const char *vendor, const char *product); 191ssize_t hdmi_spd_infoframe_pack(struct hdmi_spd_infoframe *frame, void *buffer, 192 size_t size); 193 194enum hdmi_audio_coding_type { 195 HDMI_AUDIO_CODING_TYPE_STREAM, 196 HDMI_AUDIO_CODING_TYPE_PCM, 197 HDMI_AUDIO_CODING_TYPE_AC3, 198 HDMI_AUDIO_CODING_TYPE_MPEG1, 199 HDMI_AUDIO_CODING_TYPE_MP3, 200 HDMI_AUDIO_CODING_TYPE_MPEG2, 201 HDMI_AUDIO_CODING_TYPE_AAC_LC, 202 HDMI_AUDIO_CODING_TYPE_DTS, 203 HDMI_AUDIO_CODING_TYPE_ATRAC, 204 HDMI_AUDIO_CODING_TYPE_DSD, 205 HDMI_AUDIO_CODING_TYPE_EAC3, 206 HDMI_AUDIO_CODING_TYPE_DTS_HD, 207 HDMI_AUDIO_CODING_TYPE_MLP, 208 HDMI_AUDIO_CODING_TYPE_DST, 209 HDMI_AUDIO_CODING_TYPE_WMA_PRO, 210 HDMI_AUDIO_CODING_TYPE_CXT, 211}; 212 213enum hdmi_audio_sample_size { 214 HDMI_AUDIO_SAMPLE_SIZE_STREAM, 215 HDMI_AUDIO_SAMPLE_SIZE_16, 216 HDMI_AUDIO_SAMPLE_SIZE_20, 217 HDMI_AUDIO_SAMPLE_SIZE_24, 218}; 219 220enum hdmi_audio_sample_frequency { 221 HDMI_AUDIO_SAMPLE_FREQUENCY_STREAM, 222 HDMI_AUDIO_SAMPLE_FREQUENCY_32000, 223 HDMI_AUDIO_SAMPLE_FREQUENCY_44100, 224 HDMI_AUDIO_SAMPLE_FREQUENCY_48000, 225 HDMI_AUDIO_SAMPLE_FREQUENCY_88200, 226 HDMI_AUDIO_SAMPLE_FREQUENCY_96000, 227 HDMI_AUDIO_SAMPLE_FREQUENCY_176400, 228 HDMI_AUDIO_SAMPLE_FREQUENCY_192000, 229}; 230 231enum hdmi_audio_coding_type_ext { 232 /* Refer to Audio Coding Type (CT) field in Data Byte 1 */ 233 HDMI_AUDIO_CODING_TYPE_EXT_CT, 234 235 /* 236 * The next three CXT values are defined in CEA-861-E only. 237 * They do not exist in older versions, and in CEA-861-F they are 238 * defined as 'Not in use'. 239 */ 240 HDMI_AUDIO_CODING_TYPE_EXT_HE_AAC, 241 HDMI_AUDIO_CODING_TYPE_EXT_HE_AAC_V2, 242 HDMI_AUDIO_CODING_TYPE_EXT_MPEG_SURROUND, 243 244 /* The following CXT values are only defined in CEA-861-F. */ 245 HDMI_AUDIO_CODING_TYPE_EXT_MPEG4_HE_AAC, 246 HDMI_AUDIO_CODING_TYPE_EXT_MPEG4_HE_AAC_V2, 247 HDMI_AUDIO_CODING_TYPE_EXT_MPEG4_AAC_LC, 248 HDMI_AUDIO_CODING_TYPE_EXT_DRA, 249 HDMI_AUDIO_CODING_TYPE_EXT_MPEG4_HE_AAC_SURROUND, 250 HDMI_AUDIO_CODING_TYPE_EXT_MPEG4_AAC_LC_SURROUND = 10, 251}; 252 253struct hdmi_audio_infoframe { 254 enum hdmi_infoframe_type type; 255 unsigned char version; 256 unsigned char length; 257 unsigned char channels; 258 enum hdmi_audio_coding_type coding_type; 259 enum hdmi_audio_sample_size sample_size; 260 enum hdmi_audio_sample_frequency sample_frequency; 261 enum hdmi_audio_coding_type_ext coding_type_ext; 262 unsigned char channel_allocation; 263 unsigned char level_shift_value; 264 bool downmix_inhibit; 265 266}; 267 268int hdmi_audio_infoframe_init(struct hdmi_audio_infoframe *frame); 269ssize_t hdmi_audio_infoframe_pack(struct hdmi_audio_infoframe *frame, 270 void *buffer, size_t size); 271 272enum hdmi_3d_structure { 273 HDMI_3D_STRUCTURE_INVALID = -1, 274 HDMI_3D_STRUCTURE_FRAME_PACKING = 0, 275 HDMI_3D_STRUCTURE_FIELD_ALTERNATIVE, 276 HDMI_3D_STRUCTURE_LINE_ALTERNATIVE, 277 HDMI_3D_STRUCTURE_SIDE_BY_SIDE_FULL, 278 HDMI_3D_STRUCTURE_L_DEPTH, 279 HDMI_3D_STRUCTURE_L_DEPTH_GFX_GFX_DEPTH, 280 HDMI_3D_STRUCTURE_TOP_AND_BOTTOM, 281 HDMI_3D_STRUCTURE_SIDE_BY_SIDE_HALF = 8, 282}; 283 284struct hdmi_vendor_infoframe { 285 enum hdmi_infoframe_type type; 286 unsigned char version; 287 unsigned char length; 288 unsigned int oui; 289 uint8_t vic; 290 enum hdmi_3d_structure s3d_struct; 291 unsigned int s3d_ext_data; 292}; 293 294int hdmi_vendor_infoframe_init(struct hdmi_vendor_infoframe *frame); 295ssize_t hdmi_vendor_infoframe_pack(struct hdmi_vendor_infoframe *frame, 296 void *buffer, size_t size); 297 298union hdmi_vendor_any_infoframe { 299 struct { 300 enum hdmi_infoframe_type type; 301 unsigned char version; 302 unsigned char length; 303 unsigned int oui; 304 } any; 305 struct hdmi_vendor_infoframe hdmi; 306}; 307 308/** 309 * union hdmi_infoframe - overall union of all abstract infoframe representations 310 * @any: generic infoframe 311 * @avi: avi infoframe 312 * @spd: spd infoframe 313 * @vendor: union of all vendor infoframes 314 * @audio: audio infoframe 315 * 316 * This is used by the generic pack function. This works since all infoframes 317 * have the same header which also indicates which type of infoframe should be 318 * packed. 319 */ 320union hdmi_infoframe { 321 struct hdmi_any_infoframe any; 322 struct hdmi_avi_infoframe avi; 323 struct hdmi_spd_infoframe spd; 324 union hdmi_vendor_any_infoframe vendor; 325 struct hdmi_audio_infoframe audio; 326}; 327 328ssize_t 329hdmi_infoframe_pack(union hdmi_infoframe *frame, void *buffer, size_t size); 330int hdmi_infoframe_unpack(union hdmi_infoframe *frame, void *buffer); 331void hdmi_infoframe_log(union hdmi_infoframe *frame); 332 333#endif /* _HDMI_H */ 334