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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 | |||
4103 | Serge | 21 | #define HDMI_IEEE_OUI 0x000c03 |
3391 | Serge | 22 | #define HDMI_INFOFRAME_HEADER_SIZE 4 |
23 | #define HDMI_AVI_INFOFRAME_SIZE 13 |
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24 | #define HDMI_SPD_INFOFRAME_SIZE 25 |
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25 | #define HDMI_AUDIO_INFOFRAME_SIZE 10 |
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26 | |||
4103 | Serge | 27 | #define HDMI_INFOFRAME_SIZE(type) \ |
28 | (HDMI_INFOFRAME_HEADER_SIZE + HDMI_ ## type ## _INFOFRAME_SIZE) |
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29 | |||
30 | struct hdmi_any_infoframe { |
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31 | enum hdmi_infoframe_type type; |
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32 | unsigned char version; |
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33 | unsigned char length; |
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34 | }; |
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35 | |||
3391 | Serge | 36 | enum hdmi_colorspace { |
37 | HDMI_COLORSPACE_RGB, |
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38 | HDMI_COLORSPACE_YUV422, |
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39 | HDMI_COLORSPACE_YUV444, |
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40 | }; |
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41 | |||
42 | enum hdmi_scan_mode { |
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43 | HDMI_SCAN_MODE_NONE, |
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44 | HDMI_SCAN_MODE_OVERSCAN, |
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45 | HDMI_SCAN_MODE_UNDERSCAN, |
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46 | }; |
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47 | |||
48 | enum hdmi_colorimetry { |
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49 | HDMI_COLORIMETRY_NONE, |
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50 | HDMI_COLORIMETRY_ITU_601, |
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51 | HDMI_COLORIMETRY_ITU_709, |
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52 | HDMI_COLORIMETRY_EXTENDED, |
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53 | }; |
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54 | |||
55 | enum hdmi_picture_aspect { |
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56 | HDMI_PICTURE_ASPECT_NONE, |
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57 | HDMI_PICTURE_ASPECT_4_3, |
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58 | HDMI_PICTURE_ASPECT_16_9, |
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59 | }; |
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60 | |||
61 | enum hdmi_active_aspect { |
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62 | HDMI_ACTIVE_ASPECT_16_9_TOP = 2, |
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63 | HDMI_ACTIVE_ASPECT_14_9_TOP = 3, |
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64 | HDMI_ACTIVE_ASPECT_16_9_CENTER = 4, |
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65 | HDMI_ACTIVE_ASPECT_PICTURE = 8, |
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66 | HDMI_ACTIVE_ASPECT_4_3 = 9, |
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67 | HDMI_ACTIVE_ASPECT_16_9 = 10, |
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68 | HDMI_ACTIVE_ASPECT_14_9 = 11, |
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69 | HDMI_ACTIVE_ASPECT_4_3_SP_14_9 = 13, |
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70 | HDMI_ACTIVE_ASPECT_16_9_SP_14_9 = 14, |
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71 | HDMI_ACTIVE_ASPECT_16_9_SP_4_3 = 15, |
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72 | }; |
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73 | |||
74 | enum hdmi_extended_colorimetry { |
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75 | HDMI_EXTENDED_COLORIMETRY_XV_YCC_601, |
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76 | HDMI_EXTENDED_COLORIMETRY_XV_YCC_709, |
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77 | HDMI_EXTENDED_COLORIMETRY_S_YCC_601, |
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78 | HDMI_EXTENDED_COLORIMETRY_ADOBE_YCC_601, |
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79 | HDMI_EXTENDED_COLORIMETRY_ADOBE_RGB, |
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80 | }; |
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81 | |||
82 | enum hdmi_quantization_range { |
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83 | HDMI_QUANTIZATION_RANGE_DEFAULT, |
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84 | HDMI_QUANTIZATION_RANGE_LIMITED, |
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85 | HDMI_QUANTIZATION_RANGE_FULL, |
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86 | }; |
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87 | |||
88 | /* non-uniform picture scaling */ |
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89 | enum hdmi_nups { |
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90 | HDMI_NUPS_UNKNOWN, |
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91 | HDMI_NUPS_HORIZONTAL, |
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92 | HDMI_NUPS_VERTICAL, |
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93 | HDMI_NUPS_BOTH, |
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94 | }; |
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95 | |||
96 | enum hdmi_ycc_quantization_range { |
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97 | HDMI_YCC_QUANTIZATION_RANGE_LIMITED, |
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98 | HDMI_YCC_QUANTIZATION_RANGE_FULL, |
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99 | }; |
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100 | |||
101 | enum hdmi_content_type { |
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102 | HDMI_CONTENT_TYPE_NONE, |
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103 | HDMI_CONTENT_TYPE_PHOTO, |
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104 | HDMI_CONTENT_TYPE_CINEMA, |
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105 | HDMI_CONTENT_TYPE_GAME, |
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106 | }; |
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107 | |||
108 | struct hdmi_avi_infoframe { |
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109 | enum hdmi_infoframe_type type; |
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110 | unsigned char version; |
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111 | unsigned char length; |
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112 | enum hdmi_colorspace colorspace; |
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113 | enum hdmi_scan_mode scan_mode; |
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114 | enum hdmi_colorimetry colorimetry; |
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115 | enum hdmi_picture_aspect picture_aspect; |
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116 | enum hdmi_active_aspect active_aspect; |
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117 | bool itc; |
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118 | enum hdmi_extended_colorimetry extended_colorimetry; |
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119 | enum hdmi_quantization_range quantization_range; |
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120 | enum hdmi_nups nups; |
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121 | unsigned char video_code; |
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122 | enum hdmi_ycc_quantization_range ycc_quantization_range; |
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123 | enum hdmi_content_type content_type; |
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124 | unsigned char pixel_repeat; |
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125 | unsigned short top_bar; |
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126 | unsigned short bottom_bar; |
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127 | unsigned short left_bar; |
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128 | unsigned short right_bar; |
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129 | }; |
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130 | |||
131 | int hdmi_avi_infoframe_init(struct hdmi_avi_infoframe *frame); |
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132 | ssize_t hdmi_avi_infoframe_pack(struct hdmi_avi_infoframe *frame, void *buffer, |
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133 | size_t size); |
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134 | |||
135 | enum hdmi_spd_sdi { |
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136 | HDMI_SPD_SDI_UNKNOWN, |
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137 | HDMI_SPD_SDI_DSTB, |
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138 | HDMI_SPD_SDI_DVDP, |
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139 | HDMI_SPD_SDI_DVHS, |
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140 | HDMI_SPD_SDI_HDDVR, |
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141 | HDMI_SPD_SDI_DVC, |
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142 | HDMI_SPD_SDI_DSC, |
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143 | HDMI_SPD_SDI_VCD, |
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144 | HDMI_SPD_SDI_GAME, |
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145 | HDMI_SPD_SDI_PC, |
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146 | HDMI_SPD_SDI_BD, |
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147 | HDMI_SPD_SDI_SACD, |
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148 | HDMI_SPD_SDI_HDDVD, |
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149 | HDMI_SPD_SDI_PMP, |
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150 | }; |
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151 | |||
152 | struct hdmi_spd_infoframe { |
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153 | enum hdmi_infoframe_type type; |
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154 | unsigned char version; |
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155 | unsigned char length; |
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156 | char vendor[8]; |
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157 | char product[16]; |
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158 | enum hdmi_spd_sdi sdi; |
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159 | }; |
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160 | |||
161 | int hdmi_spd_infoframe_init(struct hdmi_spd_infoframe *frame, |
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162 | const char *vendor, const char *product); |
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163 | ssize_t hdmi_spd_infoframe_pack(struct hdmi_spd_infoframe *frame, void *buffer, |
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164 | size_t size); |
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165 | |||
166 | enum hdmi_audio_coding_type { |
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167 | HDMI_AUDIO_CODING_TYPE_STREAM, |
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168 | HDMI_AUDIO_CODING_TYPE_PCM, |
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169 | HDMI_AUDIO_CODING_TYPE_AC3, |
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170 | HDMI_AUDIO_CODING_TYPE_MPEG1, |
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171 | HDMI_AUDIO_CODING_TYPE_MP3, |
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172 | HDMI_AUDIO_CODING_TYPE_MPEG2, |
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173 | HDMI_AUDIO_CODING_TYPE_AAC_LC, |
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174 | HDMI_AUDIO_CODING_TYPE_DTS, |
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175 | HDMI_AUDIO_CODING_TYPE_ATRAC, |
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176 | HDMI_AUDIO_CODING_TYPE_DSD, |
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177 | HDMI_AUDIO_CODING_TYPE_EAC3, |
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178 | HDMI_AUDIO_CODING_TYPE_DTS_HD, |
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179 | HDMI_AUDIO_CODING_TYPE_MLP, |
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180 | HDMI_AUDIO_CODING_TYPE_DST, |
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181 | HDMI_AUDIO_CODING_TYPE_WMA_PRO, |
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182 | }; |
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183 | |||
184 | enum hdmi_audio_sample_size { |
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185 | HDMI_AUDIO_SAMPLE_SIZE_STREAM, |
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186 | HDMI_AUDIO_SAMPLE_SIZE_16, |
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187 | HDMI_AUDIO_SAMPLE_SIZE_20, |
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188 | HDMI_AUDIO_SAMPLE_SIZE_24, |
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189 | }; |
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190 | |||
191 | enum hdmi_audio_sample_frequency { |
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192 | HDMI_AUDIO_SAMPLE_FREQUENCY_STREAM, |
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193 | HDMI_AUDIO_SAMPLE_FREQUENCY_32000, |
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194 | HDMI_AUDIO_SAMPLE_FREQUENCY_44100, |
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195 | HDMI_AUDIO_SAMPLE_FREQUENCY_48000, |
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196 | HDMI_AUDIO_SAMPLE_FREQUENCY_88200, |
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197 | HDMI_AUDIO_SAMPLE_FREQUENCY_96000, |
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198 | HDMI_AUDIO_SAMPLE_FREQUENCY_176400, |
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199 | HDMI_AUDIO_SAMPLE_FREQUENCY_192000, |
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200 | }; |
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201 | |||
202 | enum hdmi_audio_coding_type_ext { |
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203 | HDMI_AUDIO_CODING_TYPE_EXT_STREAM, |
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204 | HDMI_AUDIO_CODING_TYPE_EXT_HE_AAC, |
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205 | HDMI_AUDIO_CODING_TYPE_EXT_HE_AAC_V2, |
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206 | HDMI_AUDIO_CODING_TYPE_EXT_MPEG_SURROUND, |
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207 | }; |
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208 | |||
209 | struct hdmi_audio_infoframe { |
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210 | enum hdmi_infoframe_type type; |
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211 | unsigned char version; |
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212 | unsigned char length; |
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213 | unsigned char channels; |
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214 | enum hdmi_audio_coding_type coding_type; |
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215 | enum hdmi_audio_sample_size sample_size; |
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216 | enum hdmi_audio_sample_frequency sample_frequency; |
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217 | enum hdmi_audio_coding_type_ext coding_type_ext; |
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218 | unsigned char channel_allocation; |
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219 | unsigned char level_shift_value; |
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220 | bool downmix_inhibit; |
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221 | |||
222 | }; |
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223 | |||
224 | int hdmi_audio_infoframe_init(struct hdmi_audio_infoframe *frame); |
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225 | ssize_t hdmi_audio_infoframe_pack(struct hdmi_audio_infoframe *frame, |
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226 | void *buffer, size_t size); |
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227 | |||
4103 | Serge | 228 | enum hdmi_3d_structure { |
229 | HDMI_3D_STRUCTURE_INVALID = -1, |
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230 | HDMI_3D_STRUCTURE_FRAME_PACKING = 0, |
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231 | HDMI_3D_STRUCTURE_FIELD_ALTERNATIVE, |
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232 | HDMI_3D_STRUCTURE_LINE_ALTERNATIVE, |
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233 | HDMI_3D_STRUCTURE_SIDE_BY_SIDE_FULL, |
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234 | HDMI_3D_STRUCTURE_L_DEPTH, |
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235 | HDMI_3D_STRUCTURE_L_DEPTH_GFX_GFX_DEPTH, |
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236 | HDMI_3D_STRUCTURE_TOP_AND_BOTTOM, |
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237 | HDMI_3D_STRUCTURE_SIDE_BY_SIDE_HALF = 8, |
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238 | }; |
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239 | |||
240 | |||
3391 | Serge | 241 | struct hdmi_vendor_infoframe { |
242 | enum hdmi_infoframe_type type; |
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243 | unsigned char version; |
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244 | unsigned char length; |
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4103 | Serge | 245 | unsigned int oui; |
246 | u8 vic; |
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247 | enum hdmi_3d_structure s3d_struct; |
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248 | unsigned int s3d_ext_data; |
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3391 | Serge | 249 | }; |
250 | |||
4103 | Serge | 251 | int hdmi_vendor_infoframe_init(struct hdmi_vendor_infoframe *frame); |
3391 | Serge | 252 | ssize_t hdmi_vendor_infoframe_pack(struct hdmi_vendor_infoframe *frame, |
253 | void *buffer, size_t size); |
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254 | |||
4103 | Serge | 255 | union hdmi_vendor_any_infoframe { |
256 | struct { |
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257 | enum hdmi_infoframe_type type; |
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258 | unsigned char version; |
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259 | unsigned char length; |
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260 | unsigned int oui; |
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261 | } any; |
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262 | struct hdmi_vendor_infoframe hdmi; |
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263 | }; |
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264 | |||
5056 | serge | 265 | /** |
266 | * union hdmi_infoframe - overall union of all abstract infoframe representations |
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267 | * @any: generic infoframe |
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268 | * @avi: avi infoframe |
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269 | * @spd: spd infoframe |
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270 | * @vendor: union of all vendor infoframes |
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271 | * @audio: audio infoframe |
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272 | * |
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273 | * This is used by the generic pack function. This works since all infoframes |
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274 | * have the same header which also indicates which type of infoframe should be |
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275 | * packed. |
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276 | */ |
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4103 | Serge | 277 | union hdmi_infoframe { |
278 | struct hdmi_any_infoframe any; |
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279 | struct hdmi_avi_infoframe avi; |
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280 | struct hdmi_spd_infoframe spd; |
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281 | union hdmi_vendor_any_infoframe vendor; |
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282 | struct hdmi_audio_infoframe audio; |
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283 | }; |
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284 | |||
285 | ssize_t |
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286 | hdmi_infoframe_pack(union hdmi_infoframe *frame, void *buffer, size_t size); |
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287 | |||
3391 | Serge | 288 | #endif /* _DRM_HDMI_H */ |