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 */ 232