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3391 | Serge | 1 | /* |
2 | * Copyright (C) 2012 Avionic Design GmbH |
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3 | * |
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4 | * This program is free software; you can redistribute it and/or modify |
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5 | * it under the terms of the GNU General Public License version 2 as |
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6 | * published by the Free Software Foundation. |
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7 | */ |
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8 | |||
9 | #ifndef __LINUX_HDMI_H_ |
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10 | #define __LINUX_HDMI_H_ |
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11 | |||
12 | #include |
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13 | |||
14 | enum hdmi_infoframe_type { |
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15 | HDMI_INFOFRAME_TYPE_VENDOR = 0x81, |
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16 | HDMI_INFOFRAME_TYPE_AVI = 0x82, |
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17 | HDMI_INFOFRAME_TYPE_SPD = 0x83, |
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18 | HDMI_INFOFRAME_TYPE_AUDIO = 0x84, |
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19 | }; |
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20 | |||
21 | #define HDMI_INFOFRAME_HEADER_SIZE 4 |
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22 | #define HDMI_AVI_INFOFRAME_SIZE 13 |
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23 | #define HDMI_SPD_INFOFRAME_SIZE 25 |
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24 | #define HDMI_AUDIO_INFOFRAME_SIZE 10 |
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25 | |||
26 | enum hdmi_colorspace { |
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27 | HDMI_COLORSPACE_RGB, |
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28 | HDMI_COLORSPACE_YUV422, |
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29 | HDMI_COLORSPACE_YUV444, |
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30 | }; |
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31 | |||
32 | enum hdmi_scan_mode { |
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33 | HDMI_SCAN_MODE_NONE, |
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34 | HDMI_SCAN_MODE_OVERSCAN, |
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35 | HDMI_SCAN_MODE_UNDERSCAN, |
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36 | }; |
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37 | |||
38 | enum hdmi_colorimetry { |
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39 | HDMI_COLORIMETRY_NONE, |
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40 | HDMI_COLORIMETRY_ITU_601, |
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41 | HDMI_COLORIMETRY_ITU_709, |
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42 | HDMI_COLORIMETRY_EXTENDED, |
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43 | }; |
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44 | |||
45 | enum hdmi_picture_aspect { |
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46 | HDMI_PICTURE_ASPECT_NONE, |
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47 | HDMI_PICTURE_ASPECT_4_3, |
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48 | HDMI_PICTURE_ASPECT_16_9, |
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49 | }; |
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50 | |||
51 | enum hdmi_active_aspect { |
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52 | HDMI_ACTIVE_ASPECT_16_9_TOP = 2, |
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53 | HDMI_ACTIVE_ASPECT_14_9_TOP = 3, |
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54 | HDMI_ACTIVE_ASPECT_16_9_CENTER = 4, |
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55 | HDMI_ACTIVE_ASPECT_PICTURE = 8, |
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56 | HDMI_ACTIVE_ASPECT_4_3 = 9, |
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57 | HDMI_ACTIVE_ASPECT_16_9 = 10, |
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58 | HDMI_ACTIVE_ASPECT_14_9 = 11, |
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59 | HDMI_ACTIVE_ASPECT_4_3_SP_14_9 = 13, |
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60 | HDMI_ACTIVE_ASPECT_16_9_SP_14_9 = 14, |
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61 | HDMI_ACTIVE_ASPECT_16_9_SP_4_3 = 15, |
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62 | }; |
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63 | |||
64 | enum hdmi_extended_colorimetry { |
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65 | HDMI_EXTENDED_COLORIMETRY_XV_YCC_601, |
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66 | HDMI_EXTENDED_COLORIMETRY_XV_YCC_709, |
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67 | HDMI_EXTENDED_COLORIMETRY_S_YCC_601, |
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68 | HDMI_EXTENDED_COLORIMETRY_ADOBE_YCC_601, |
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69 | HDMI_EXTENDED_COLORIMETRY_ADOBE_RGB, |
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70 | }; |
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71 | |||
72 | enum hdmi_quantization_range { |
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73 | HDMI_QUANTIZATION_RANGE_DEFAULT, |
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74 | HDMI_QUANTIZATION_RANGE_LIMITED, |
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75 | HDMI_QUANTIZATION_RANGE_FULL, |
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76 | }; |
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77 | |||
78 | /* non-uniform picture scaling */ |
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79 | enum hdmi_nups { |
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80 | HDMI_NUPS_UNKNOWN, |
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81 | HDMI_NUPS_HORIZONTAL, |
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82 | HDMI_NUPS_VERTICAL, |
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83 | HDMI_NUPS_BOTH, |
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84 | }; |
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85 | |||
86 | enum hdmi_ycc_quantization_range { |
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87 | HDMI_YCC_QUANTIZATION_RANGE_LIMITED, |
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88 | HDMI_YCC_QUANTIZATION_RANGE_FULL, |
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89 | }; |
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90 | |||
91 | enum hdmi_content_type { |
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92 | HDMI_CONTENT_TYPE_NONE, |
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93 | HDMI_CONTENT_TYPE_PHOTO, |
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94 | HDMI_CONTENT_TYPE_CINEMA, |
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95 | HDMI_CONTENT_TYPE_GAME, |
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96 | }; |
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97 | |||
98 | struct hdmi_avi_infoframe { |
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99 | enum hdmi_infoframe_type type; |
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100 | unsigned char version; |
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101 | unsigned char length; |
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102 | enum hdmi_colorspace colorspace; |
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103 | bool active_info_valid; |
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104 | bool horizontal_bar_valid; |
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105 | bool vertical_bar_valid; |
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106 | enum hdmi_scan_mode scan_mode; |
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107 | enum hdmi_colorimetry colorimetry; |
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108 | enum hdmi_picture_aspect picture_aspect; |
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109 | enum hdmi_active_aspect active_aspect; |
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110 | bool itc; |
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111 | enum hdmi_extended_colorimetry extended_colorimetry; |
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112 | enum hdmi_quantization_range quantization_range; |
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113 | enum hdmi_nups nups; |
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114 | unsigned char video_code; |
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115 | enum hdmi_ycc_quantization_range ycc_quantization_range; |
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116 | enum hdmi_content_type content_type; |
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117 | unsigned char pixel_repeat; |
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118 | unsigned short top_bar; |
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119 | unsigned short bottom_bar; |
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120 | unsigned short left_bar; |
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121 | unsigned short right_bar; |
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122 | }; |
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123 | |||
124 | int hdmi_avi_infoframe_init(struct hdmi_avi_infoframe *frame); |
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125 | ssize_t hdmi_avi_infoframe_pack(struct hdmi_avi_infoframe *frame, void *buffer, |
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126 | size_t size); |
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127 | |||
128 | enum hdmi_spd_sdi { |
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129 | HDMI_SPD_SDI_UNKNOWN, |
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130 | HDMI_SPD_SDI_DSTB, |
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131 | HDMI_SPD_SDI_DVDP, |
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132 | HDMI_SPD_SDI_DVHS, |
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133 | HDMI_SPD_SDI_HDDVR, |
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134 | HDMI_SPD_SDI_DVC, |
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135 | HDMI_SPD_SDI_DSC, |
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136 | HDMI_SPD_SDI_VCD, |
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137 | HDMI_SPD_SDI_GAME, |
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138 | HDMI_SPD_SDI_PC, |
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139 | HDMI_SPD_SDI_BD, |
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140 | HDMI_SPD_SDI_SACD, |
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141 | HDMI_SPD_SDI_HDDVD, |
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142 | HDMI_SPD_SDI_PMP, |
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143 | }; |
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144 | |||
145 | struct hdmi_spd_infoframe { |
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146 | enum hdmi_infoframe_type type; |
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147 | unsigned char version; |
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148 | unsigned char length; |
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149 | char vendor[8]; |
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150 | char product[16]; |
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151 | enum hdmi_spd_sdi sdi; |
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152 | }; |
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153 | |||
154 | int hdmi_spd_infoframe_init(struct hdmi_spd_infoframe *frame, |
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155 | const char *vendor, const char *product); |
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156 | ssize_t hdmi_spd_infoframe_pack(struct hdmi_spd_infoframe *frame, void *buffer, |
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157 | size_t size); |
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158 | |||
159 | enum hdmi_audio_coding_type { |
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160 | HDMI_AUDIO_CODING_TYPE_STREAM, |
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161 | HDMI_AUDIO_CODING_TYPE_PCM, |
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162 | HDMI_AUDIO_CODING_TYPE_AC3, |
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163 | HDMI_AUDIO_CODING_TYPE_MPEG1, |
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164 | HDMI_AUDIO_CODING_TYPE_MP3, |
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165 | HDMI_AUDIO_CODING_TYPE_MPEG2, |
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166 | HDMI_AUDIO_CODING_TYPE_AAC_LC, |
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167 | HDMI_AUDIO_CODING_TYPE_DTS, |
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168 | HDMI_AUDIO_CODING_TYPE_ATRAC, |
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169 | HDMI_AUDIO_CODING_TYPE_DSD, |
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170 | HDMI_AUDIO_CODING_TYPE_EAC3, |
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171 | HDMI_AUDIO_CODING_TYPE_DTS_HD, |
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172 | HDMI_AUDIO_CODING_TYPE_MLP, |
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173 | HDMI_AUDIO_CODING_TYPE_DST, |
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174 | HDMI_AUDIO_CODING_TYPE_WMA_PRO, |
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175 | }; |
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176 | |||
177 | enum hdmi_audio_sample_size { |
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178 | HDMI_AUDIO_SAMPLE_SIZE_STREAM, |
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179 | HDMI_AUDIO_SAMPLE_SIZE_16, |
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180 | HDMI_AUDIO_SAMPLE_SIZE_20, |
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181 | HDMI_AUDIO_SAMPLE_SIZE_24, |
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182 | }; |
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183 | |||
184 | enum hdmi_audio_sample_frequency { |
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185 | HDMI_AUDIO_SAMPLE_FREQUENCY_STREAM, |
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186 | HDMI_AUDIO_SAMPLE_FREQUENCY_32000, |
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187 | HDMI_AUDIO_SAMPLE_FREQUENCY_44100, |
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188 | HDMI_AUDIO_SAMPLE_FREQUENCY_48000, |
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189 | HDMI_AUDIO_SAMPLE_FREQUENCY_88200, |
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190 | HDMI_AUDIO_SAMPLE_FREQUENCY_96000, |
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191 | HDMI_AUDIO_SAMPLE_FREQUENCY_176400, |
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192 | HDMI_AUDIO_SAMPLE_FREQUENCY_192000, |
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193 | }; |
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194 | |||
195 | enum hdmi_audio_coding_type_ext { |
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196 | HDMI_AUDIO_CODING_TYPE_EXT_STREAM, |
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197 | HDMI_AUDIO_CODING_TYPE_EXT_HE_AAC, |
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198 | HDMI_AUDIO_CODING_TYPE_EXT_HE_AAC_V2, |
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199 | HDMI_AUDIO_CODING_TYPE_EXT_MPEG_SURROUND, |
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200 | }; |
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201 | |||
202 | struct hdmi_audio_infoframe { |
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203 | enum hdmi_infoframe_type type; |
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204 | unsigned char version; |
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205 | unsigned char length; |
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206 | unsigned char channels; |
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207 | enum hdmi_audio_coding_type coding_type; |
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208 | enum hdmi_audio_sample_size sample_size; |
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209 | enum hdmi_audio_sample_frequency sample_frequency; |
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210 | enum hdmi_audio_coding_type_ext coding_type_ext; |
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211 | unsigned char channel_allocation; |
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212 | unsigned char level_shift_value; |
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213 | bool downmix_inhibit; |
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214 | |||
215 | }; |
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216 | |||
217 | int hdmi_audio_infoframe_init(struct hdmi_audio_infoframe *frame); |
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218 | ssize_t hdmi_audio_infoframe_pack(struct hdmi_audio_infoframe *frame, |
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219 | void *buffer, size_t size); |
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220 | |||
221 | struct hdmi_vendor_infoframe { |
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222 | enum hdmi_infoframe_type type; |
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223 | unsigned char version; |
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224 | unsigned char length; |
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225 | u8 data[27]; |
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226 | }; |
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227 | |||
228 | ssize_t hdmi_vendor_infoframe_pack(struct hdmi_vendor_infoframe *frame, |
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229 | void *buffer, size_t size); |
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230 | |||
231 | #endif /* _DRM_HDMI_H */ |