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_IEEE_OUI 0x000c03 22 #define HDMI_INFOFRAME_HEADER_SIZE 4 23 #define HDMI_AVI_INFOFRAME_SIZE 13 24 #define HDMI_SPD_INFOFRAME_SIZE 25 25 #define HDMI_AUDIO_INFOFRAME_SIZE 10 26 27 #define HDMI_INFOFRAME_SIZE(type) \ 28 (HDMI_INFOFRAME_HEADER_SIZE + HDMI_ ## type ## _INFOFRAME_SIZE) 29 30 struct hdmi_any_infoframe { 31 enum hdmi_infoframe_type type; 32 unsigned char version; 33 unsigned char length; 34 }; 35 36 enum hdmi_colorspace { 37 HDMI_COLORSPACE_RGB, 38 HDMI_COLORSPACE_YUV422, 39 HDMI_COLORSPACE_YUV444, 40 }; 41 42 enum hdmi_scan_mode { 43 HDMI_SCAN_MODE_NONE, 44 HDMI_SCAN_MODE_OVERSCAN, 45 HDMI_SCAN_MODE_UNDERSCAN, 46 }; 47 48 enum hdmi_colorimetry { 49 HDMI_COLORIMETRY_NONE, 50 HDMI_COLORIMETRY_ITU_601, 51 HDMI_COLORIMETRY_ITU_709, 52 HDMI_COLORIMETRY_EXTENDED, 53 }; 54 55 enum hdmi_picture_aspect { 56 HDMI_PICTURE_ASPECT_NONE, 57 HDMI_PICTURE_ASPECT_4_3, 58 HDMI_PICTURE_ASPECT_16_9, 59 }; 60 61 enum hdmi_active_aspect { 62 HDMI_ACTIVE_ASPECT_16_9_TOP = 2, 63 HDMI_ACTIVE_ASPECT_14_9_TOP = 3, 64 HDMI_ACTIVE_ASPECT_16_9_CENTER = 4, 65 HDMI_ACTIVE_ASPECT_PICTURE = 8, 66 HDMI_ACTIVE_ASPECT_4_3 = 9, 67 HDMI_ACTIVE_ASPECT_16_9 = 10, 68 HDMI_ACTIVE_ASPECT_14_9 = 11, 69 HDMI_ACTIVE_ASPECT_4_3_SP_14_9 = 13, 70 HDMI_ACTIVE_ASPECT_16_9_SP_14_9 = 14, 71 HDMI_ACTIVE_ASPECT_16_9_SP_4_3 = 15, 72 }; 73 74 enum hdmi_extended_colorimetry { 75 HDMI_EXTENDED_COLORIMETRY_XV_YCC_601, 76 HDMI_EXTENDED_COLORIMETRY_XV_YCC_709, 77 HDMI_EXTENDED_COLORIMETRY_S_YCC_601, 78 HDMI_EXTENDED_COLORIMETRY_ADOBE_YCC_601, 79 HDMI_EXTENDED_COLORIMETRY_ADOBE_RGB, 80 }; 81 82 enum hdmi_quantization_range { 83 HDMI_QUANTIZATION_RANGE_DEFAULT, 84 HDMI_QUANTIZATION_RANGE_LIMITED, 85 HDMI_QUANTIZATION_RANGE_FULL, 86 }; 87 88 /* non-uniform picture scaling */ 89 enum hdmi_nups { 90 HDMI_NUPS_UNKNOWN, 91 HDMI_NUPS_HORIZONTAL, 92 HDMI_NUPS_VERTICAL, 93 HDMI_NUPS_BOTH, 94 }; 95 96 enum hdmi_ycc_quantization_range { 97 HDMI_YCC_QUANTIZATION_RANGE_LIMITED, 98 HDMI_YCC_QUANTIZATION_RANGE_FULL, 99 }; 100 101 enum hdmi_content_type { 102 HDMI_CONTENT_TYPE_NONE, 103 HDMI_CONTENT_TYPE_PHOTO, 104 HDMI_CONTENT_TYPE_CINEMA, 105 HDMI_CONTENT_TYPE_GAME, 106 }; 107 108 struct hdmi_avi_infoframe { 109 enum hdmi_infoframe_type type; 110 unsigned char version; 111 unsigned char length; 112 enum hdmi_colorspace colorspace; 113 enum hdmi_scan_mode scan_mode; 114 enum hdmi_colorimetry colorimetry; 115 enum hdmi_picture_aspect picture_aspect; 116 enum hdmi_active_aspect active_aspect; 117 bool itc; 118 enum hdmi_extended_colorimetry extended_colorimetry; 119 enum hdmi_quantization_range quantization_range; 120 enum hdmi_nups nups; 121 unsigned char video_code; 122 enum hdmi_ycc_quantization_range ycc_quantization_range; 123 enum hdmi_content_type content_type; 124 unsigned char pixel_repeat; 125 unsigned short top_bar; 126 unsigned short bottom_bar; 127 unsigned short left_bar; 128 unsigned short right_bar; 129 }; 130 131 int hdmi_avi_infoframe_init(struct hdmi_avi_infoframe *frame); 132 ssize_t hdmi_avi_infoframe_pack(struct hdmi_avi_infoframe *frame, void *buffer, 133 size_t size); 134 135 enum hdmi_spd_sdi { 136 HDMI_SPD_SDI_UNKNOWN, 137 HDMI_SPD_SDI_DSTB, 138 HDMI_SPD_SDI_DVDP, 139 HDMI_SPD_SDI_DVHS, 140 HDMI_SPD_SDI_HDDVR, 141 HDMI_SPD_SDI_DVC, 142 HDMI_SPD_SDI_DSC, 143 HDMI_SPD_SDI_VCD, 144 HDMI_SPD_SDI_GAME, 145 HDMI_SPD_SDI_PC, 146 HDMI_SPD_SDI_BD, 147 HDMI_SPD_SDI_SACD, 148 HDMI_SPD_SDI_HDDVD, 149 HDMI_SPD_SDI_PMP, 150 }; 151 152 struct hdmi_spd_infoframe { 153 enum hdmi_infoframe_type type; 154 unsigned char version; 155 unsigned char length; 156 char vendor[8]; 157 char product[16]; 158 enum hdmi_spd_sdi sdi; 159 }; 160 161 int hdmi_spd_infoframe_init(struct hdmi_spd_infoframe *frame, 162 const char *vendor, const char *product); 163 ssize_t hdmi_spd_infoframe_pack(struct hdmi_spd_infoframe *frame, void *buffer, 164 size_t size); 165 166 enum hdmi_audio_coding_type { 167 HDMI_AUDIO_CODING_TYPE_STREAM, 168 HDMI_AUDIO_CODING_TYPE_PCM, 169 HDMI_AUDIO_CODING_TYPE_AC3, 170 HDMI_AUDIO_CODING_TYPE_MPEG1, 171 HDMI_AUDIO_CODING_TYPE_MP3, 172 HDMI_AUDIO_CODING_TYPE_MPEG2, 173 HDMI_AUDIO_CODING_TYPE_AAC_LC, 174 HDMI_AUDIO_CODING_TYPE_DTS, 175 HDMI_AUDIO_CODING_TYPE_ATRAC, 176 HDMI_AUDIO_CODING_TYPE_DSD, 177 HDMI_AUDIO_CODING_TYPE_EAC3, 178 HDMI_AUDIO_CODING_TYPE_DTS_HD, 179 HDMI_AUDIO_CODING_TYPE_MLP, 180 HDMI_AUDIO_CODING_TYPE_DST, 181 HDMI_AUDIO_CODING_TYPE_WMA_PRO, 182 }; 183 184 enum hdmi_audio_sample_size { 185 HDMI_AUDIO_SAMPLE_SIZE_STREAM, 186 HDMI_AUDIO_SAMPLE_SIZE_16, 187 HDMI_AUDIO_SAMPLE_SIZE_20, 188 HDMI_AUDIO_SAMPLE_SIZE_24, 189 }; 190 191 enum hdmi_audio_sample_frequency { 192 HDMI_AUDIO_SAMPLE_FREQUENCY_STREAM, 193 HDMI_AUDIO_SAMPLE_FREQUENCY_32000, 194 HDMI_AUDIO_SAMPLE_FREQUENCY_44100, 195 HDMI_AUDIO_SAMPLE_FREQUENCY_48000, 196 HDMI_AUDIO_SAMPLE_FREQUENCY_88200, 197 HDMI_AUDIO_SAMPLE_FREQUENCY_96000, 198 HDMI_AUDIO_SAMPLE_FREQUENCY_176400, 199 HDMI_AUDIO_SAMPLE_FREQUENCY_192000, 200 }; 201 202 enum hdmi_audio_coding_type_ext { 203 HDMI_AUDIO_CODING_TYPE_EXT_STREAM, 204 HDMI_AUDIO_CODING_TYPE_EXT_HE_AAC, 205 HDMI_AUDIO_CODING_TYPE_EXT_HE_AAC_V2, 206 HDMI_AUDIO_CODING_TYPE_EXT_MPEG_SURROUND, 207 }; 208 209 struct hdmi_audio_infoframe { 210 enum hdmi_infoframe_type type; 211 unsigned char version; 212 unsigned char length; 213 unsigned char channels; 214 enum hdmi_audio_coding_type coding_type; 215 enum hdmi_audio_sample_size sample_size; 216 enum hdmi_audio_sample_frequency sample_frequency; 217 enum hdmi_audio_coding_type_ext coding_type_ext; 218 unsigned char channel_allocation; 219 unsigned char level_shift_value; 220 bool downmix_inhibit; 221 222 }; 223 224 int hdmi_audio_infoframe_init(struct hdmi_audio_infoframe *frame); 225 ssize_t hdmi_audio_infoframe_pack(struct hdmi_audio_infoframe *frame, 226 void *buffer, size_t size); 227 228 enum hdmi_3d_structure { 229 HDMI_3D_STRUCTURE_INVALID = -1, 230 HDMI_3D_STRUCTURE_FRAME_PACKING = 0, 231 HDMI_3D_STRUCTURE_FIELD_ALTERNATIVE, 232 HDMI_3D_STRUCTURE_LINE_ALTERNATIVE, 233 HDMI_3D_STRUCTURE_SIDE_BY_SIDE_FULL, 234 HDMI_3D_STRUCTURE_L_DEPTH, 235 HDMI_3D_STRUCTURE_L_DEPTH_GFX_GFX_DEPTH, 236 HDMI_3D_STRUCTURE_TOP_AND_BOTTOM, 237 HDMI_3D_STRUCTURE_SIDE_BY_SIDE_HALF = 8, 238 }; 239 240 241 struct hdmi_vendor_infoframe { 242 enum hdmi_infoframe_type type; 243 unsigned char version; 244 unsigned char length; 245 unsigned int oui; 246 u8 vic; 247 enum hdmi_3d_structure s3d_struct; 248 unsigned int s3d_ext_data; 249 }; 250 251 int hdmi_vendor_infoframe_init(struct hdmi_vendor_infoframe *frame); 252 ssize_t hdmi_vendor_infoframe_pack(struct hdmi_vendor_infoframe *frame, 253 void *buffer, size_t size); 254 255 union hdmi_vendor_any_infoframe { 256 struct { 257 enum hdmi_infoframe_type type; 258 unsigned char version; 259 unsigned char length; 260 unsigned int oui; 261 } any; 262 struct hdmi_vendor_infoframe hdmi; 263 }; 264 265 union hdmi_infoframe { 266 struct hdmi_any_infoframe any; 267 struct hdmi_avi_infoframe avi; 268 struct hdmi_spd_infoframe spd; 269 union hdmi_vendor_any_infoframe vendor; 270 struct hdmi_audio_infoframe audio; 271 }; 272 273 ssize_t 274 hdmi_infoframe_pack(union hdmi_infoframe *frame, void *buffer, size_t size); 275 276 #endif /* _DRM_HDMI_H */ 277