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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 |
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