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f142d3bd TR |
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 | ||
6cb3b7f1 | 21 | #define HDMI_IEEE_OUI 0x000c03 |
f142d3bd TR |
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 | ||
61177b0e DL |
27 | #define HDMI_INFOFRAME_SIZE(type) \ |
28 | (HDMI_INFOFRAME_HEADER_SIZE + HDMI_ ## type ## _INFOFRAME_SIZE) | |
29 | ||
72b09896 DL |
30 | struct hdmi_any_infoframe { |
31 | enum hdmi_infoframe_type type; | |
32 | unsigned char version; | |
33 | unsigned char length; | |
34 | }; | |
35 | ||
f142d3bd TR |
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; | |
f142d3bd TR |
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 | ||
7d27becb LD |
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 | ||
ae84b900 LD |
240 | |
241 | struct hdmi_vendor_infoframe { | |
7d27becb LD |
242 | enum hdmi_infoframe_type type; |
243 | unsigned char version; | |
244 | unsigned char length; | |
af3e95b4 | 245 | unsigned int oui; |
7d27becb LD |
246 | u8 vic; |
247 | enum hdmi_3d_structure s3d_struct; | |
248 | unsigned int s3d_ext_data; | |
249 | }; | |
250 | ||
ae84b900 LD |
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); | |
7d27becb | 254 | |
ae84b900 | 255 | union hdmi_vendor_any_infoframe { |
af3e95b4 LD |
256 | struct { |
257 | enum hdmi_infoframe_type type; | |
258 | unsigned char version; | |
259 | unsigned char length; | |
260 | unsigned int oui; | |
261 | } any; | |
ae84b900 | 262 | struct hdmi_vendor_infoframe hdmi; |
af3e95b4 LD |
263 | }; |
264 | ||
2d123f46 DV |
265 | /** |
266 | * union hdmi_infoframe - overall union of all abstract infoframe representations | |
267 | * @any: generic infoframe | |
268 | * @avi: avi infoframe | |
269 | * @spd: spd infoframe | |
270 | * @vendor: union of all vendor infoframes | |
271 | * @audio: audio infoframe | |
272 | * | |
273 | * This is used by the generic pack function. This works since all infoframes | |
274 | * have the same header which also indicates which type of infoframe should be | |
275 | * packed. | |
276 | */ | |
72b09896 DL |
277 | union hdmi_infoframe { |
278 | struct hdmi_any_infoframe any; | |
279 | struct hdmi_avi_infoframe avi; | |
280 | struct hdmi_spd_infoframe spd; | |
ae84b900 | 281 | union hdmi_vendor_any_infoframe vendor; |
72b09896 DL |
282 | struct hdmi_audio_infoframe audio; |
283 | }; | |
284 | ||
285 | ssize_t | |
286 | hdmi_infoframe_pack(union hdmi_infoframe *frame, void *buffer, size_t size); | |
287 | ||
f142d3bd | 288 | #endif /* _DRM_HDMI_H */ |