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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_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 |
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