Commit | Line | Data |
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f142d3bd TR |
1 | /* |
2 | * Copyright (C) 2012 Avionic Design GmbH | |
3 | * | |
37d74578 TR |
4 | * Permission is hereby granted, free of charge, to any person obtaining a |
5 | * copy of this software and associated documentation files (the "Software"), | |
6 | * to deal in the Software without restriction, including without limitation | |
7 | * the rights to use, copy, modify, merge, publish, distribute, sub license, | |
8 | * and/or sell copies of the Software, and to permit persons to whom the | |
9 | * Software is furnished to do so, subject to the following conditions: | |
10 | * | |
11 | * The above copyright notice and this permission notice (including the | |
12 | * next paragraph) shall be included in all copies or substantial portions | |
13 | * of the Software. | |
14 | * | |
15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
17 | * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL | |
18 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |
20 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | |
21 | * DEALINGS IN THE SOFTWARE. | |
f142d3bd TR |
22 | */ |
23 | ||
24 | #ifndef __LINUX_HDMI_H_ | |
25 | #define __LINUX_HDMI_H_ | |
26 | ||
27 | #include <linux/types.h> | |
2c676f37 | 28 | #include <linux/device.h> |
f142d3bd | 29 | |
f1a2a540 VS |
30 | enum hdmi_packet_type { |
31 | HDMI_PACKET_TYPE_NULL = 0x00, | |
32 | HDMI_PACKET_TYPE_AUDIO_CLOCK_REGEN = 0x01, | |
33 | HDMI_PACKET_TYPE_AUDIO_SAMPLE = 0x02, | |
34 | HDMI_PACKET_TYPE_GENERAL_CONTROL = 0x03, | |
35 | HDMI_PACKET_TYPE_ACP = 0x04, | |
36 | HDMI_PACKET_TYPE_ISRC1 = 0x05, | |
37 | HDMI_PACKET_TYPE_ISRC2 = 0x06, | |
38 | HDMI_PACKET_TYPE_ONE_BIT_AUDIO_SAMPLE = 0x07, | |
39 | HDMI_PACKET_TYPE_DST_AUDIO = 0x08, | |
40 | HDMI_PACKET_TYPE_HBR_AUDIO_STREAM = 0x09, | |
41 | HDMI_PACKET_TYPE_GAMUT_METADATA = 0x0a, | |
42 | /* + enum hdmi_infoframe_type */ | |
43 | }; | |
44 | ||
f142d3bd TR |
45 | enum hdmi_infoframe_type { |
46 | HDMI_INFOFRAME_TYPE_VENDOR = 0x81, | |
47 | HDMI_INFOFRAME_TYPE_AVI = 0x82, | |
48 | HDMI_INFOFRAME_TYPE_SPD = 0x83, | |
49 | HDMI_INFOFRAME_TYPE_AUDIO = 0x84, | |
2cdbfd66 | 50 | HDMI_INFOFRAME_TYPE_DRM = 0x87, |
f142d3bd TR |
51 | }; |
52 | ||
6cb3b7f1 | 53 | #define HDMI_IEEE_OUI 0x000c03 |
50dd1bd1 | 54 | #define HDMI_FORUM_IEEE_OUI 0xc45dd8 |
f142d3bd TR |
55 | #define HDMI_INFOFRAME_HEADER_SIZE 4 |
56 | #define HDMI_AVI_INFOFRAME_SIZE 13 | |
57 | #define HDMI_SPD_INFOFRAME_SIZE 25 | |
58 | #define HDMI_AUDIO_INFOFRAME_SIZE 10 | |
2cdbfd66 | 59 | #define HDMI_DRM_INFOFRAME_SIZE 26 |
d43be255 | 60 | #define HDMI_VENDOR_INFOFRAME_SIZE 4 |
f142d3bd | 61 | |
61177b0e DL |
62 | #define HDMI_INFOFRAME_SIZE(type) \ |
63 | (HDMI_INFOFRAME_HEADER_SIZE + HDMI_ ## type ## _INFOFRAME_SIZE) | |
64 | ||
72b09896 DL |
65 | struct hdmi_any_infoframe { |
66 | enum hdmi_infoframe_type type; | |
67 | unsigned char version; | |
68 | unsigned char length; | |
69 | }; | |
70 | ||
f142d3bd TR |
71 | enum hdmi_colorspace { |
72 | HDMI_COLORSPACE_RGB, | |
73 | HDMI_COLORSPACE_YUV422, | |
74 | HDMI_COLORSPACE_YUV444, | |
05c80d75 HV |
75 | HDMI_COLORSPACE_YUV420, |
76 | HDMI_COLORSPACE_RESERVED4, | |
77 | HDMI_COLORSPACE_RESERVED5, | |
78 | HDMI_COLORSPACE_RESERVED6, | |
79 | HDMI_COLORSPACE_IDO_DEFINED, | |
f142d3bd TR |
80 | }; |
81 | ||
82 | enum hdmi_scan_mode { | |
83 | HDMI_SCAN_MODE_NONE, | |
84 | HDMI_SCAN_MODE_OVERSCAN, | |
85 | HDMI_SCAN_MODE_UNDERSCAN, | |
05c80d75 | 86 | HDMI_SCAN_MODE_RESERVED, |
f142d3bd TR |
87 | }; |
88 | ||
89 | enum hdmi_colorimetry { | |
90 | HDMI_COLORIMETRY_NONE, | |
91 | HDMI_COLORIMETRY_ITU_601, | |
92 | HDMI_COLORIMETRY_ITU_709, | |
93 | HDMI_COLORIMETRY_EXTENDED, | |
94 | }; | |
95 | ||
96 | enum hdmi_picture_aspect { | |
97 | HDMI_PICTURE_ASPECT_NONE, | |
98 | HDMI_PICTURE_ASPECT_4_3, | |
99 | HDMI_PICTURE_ASPECT_16_9, | |
a6e78b3e SS |
100 | HDMI_PICTURE_ASPECT_64_27, |
101 | HDMI_PICTURE_ASPECT_256_135, | |
05c80d75 | 102 | HDMI_PICTURE_ASPECT_RESERVED, |
f142d3bd TR |
103 | }; |
104 | ||
105 | enum hdmi_active_aspect { | |
106 | HDMI_ACTIVE_ASPECT_16_9_TOP = 2, | |
107 | HDMI_ACTIVE_ASPECT_14_9_TOP = 3, | |
108 | HDMI_ACTIVE_ASPECT_16_9_CENTER = 4, | |
109 | HDMI_ACTIVE_ASPECT_PICTURE = 8, | |
110 | HDMI_ACTIVE_ASPECT_4_3 = 9, | |
111 | HDMI_ACTIVE_ASPECT_16_9 = 10, | |
112 | HDMI_ACTIVE_ASPECT_14_9 = 11, | |
113 | HDMI_ACTIVE_ASPECT_4_3_SP_14_9 = 13, | |
114 | HDMI_ACTIVE_ASPECT_16_9_SP_14_9 = 14, | |
115 | HDMI_ACTIVE_ASPECT_16_9_SP_4_3 = 15, | |
116 | }; | |
117 | ||
118 | enum hdmi_extended_colorimetry { | |
119 | HDMI_EXTENDED_COLORIMETRY_XV_YCC_601, | |
120 | HDMI_EXTENDED_COLORIMETRY_XV_YCC_709, | |
121 | HDMI_EXTENDED_COLORIMETRY_S_YCC_601, | |
463659a0 HV |
122 | HDMI_EXTENDED_COLORIMETRY_OPYCC_601, |
123 | HDMI_EXTENDED_COLORIMETRY_OPRGB, | |
05c80d75 HV |
124 | |
125 | /* The following EC values are only defined in CEA-861-F. */ | |
126 | HDMI_EXTENDED_COLORIMETRY_BT2020_CONST_LUM, | |
127 | HDMI_EXTENDED_COLORIMETRY_BT2020, | |
128 | HDMI_EXTENDED_COLORIMETRY_RESERVED, | |
f142d3bd TR |
129 | }; |
130 | ||
131 | enum hdmi_quantization_range { | |
132 | HDMI_QUANTIZATION_RANGE_DEFAULT, | |
133 | HDMI_QUANTIZATION_RANGE_LIMITED, | |
134 | HDMI_QUANTIZATION_RANGE_FULL, | |
05c80d75 | 135 | HDMI_QUANTIZATION_RANGE_RESERVED, |
f142d3bd TR |
136 | }; |
137 | ||
138 | /* non-uniform picture scaling */ | |
139 | enum hdmi_nups { | |
140 | HDMI_NUPS_UNKNOWN, | |
141 | HDMI_NUPS_HORIZONTAL, | |
142 | HDMI_NUPS_VERTICAL, | |
143 | HDMI_NUPS_BOTH, | |
144 | }; | |
145 | ||
146 | enum hdmi_ycc_quantization_range { | |
147 | HDMI_YCC_QUANTIZATION_RANGE_LIMITED, | |
148 | HDMI_YCC_QUANTIZATION_RANGE_FULL, | |
149 | }; | |
150 | ||
151 | enum hdmi_content_type { | |
05c80d75 | 152 | HDMI_CONTENT_TYPE_GRAPHICS, |
f142d3bd TR |
153 | HDMI_CONTENT_TYPE_PHOTO, |
154 | HDMI_CONTENT_TYPE_CINEMA, | |
155 | HDMI_CONTENT_TYPE_GAME, | |
156 | }; | |
157 | ||
fbb5d035 | 158 | enum hdmi_metadata_type { |
66922f85 | 159 | HDMI_STATIC_METADATA_TYPE1 = 0, |
fbb5d035 US |
160 | }; |
161 | ||
162 | enum hdmi_eotf { | |
163 | HDMI_EOTF_TRADITIONAL_GAMMA_SDR, | |
164 | HDMI_EOTF_TRADITIONAL_GAMMA_HDR, | |
165 | HDMI_EOTF_SMPTE_ST2084, | |
b5e3eed1 | 166 | HDMI_EOTF_BT_2100_HLG, |
fbb5d035 US |
167 | }; |
168 | ||
f142d3bd TR |
169 | struct hdmi_avi_infoframe { |
170 | enum hdmi_infoframe_type type; | |
171 | unsigned char version; | |
172 | unsigned char length; | |
568c69ae CJ |
173 | bool itc; |
174 | unsigned char pixel_repeat; | |
f142d3bd | 175 | enum hdmi_colorspace colorspace; |
f142d3bd TR |
176 | enum hdmi_scan_mode scan_mode; |
177 | enum hdmi_colorimetry colorimetry; | |
178 | enum hdmi_picture_aspect picture_aspect; | |
179 | enum hdmi_active_aspect active_aspect; | |
f142d3bd TR |
180 | enum hdmi_extended_colorimetry extended_colorimetry; |
181 | enum hdmi_quantization_range quantization_range; | |
182 | enum hdmi_nups nups; | |
183 | unsigned char video_code; | |
184 | enum hdmi_ycc_quantization_range ycc_quantization_range; | |
185 | enum hdmi_content_type content_type; | |
f142d3bd TR |
186 | unsigned short top_bar; |
187 | unsigned short bottom_bar; | |
188 | unsigned short left_bar; | |
189 | unsigned short right_bar; | |
190 | }; | |
191 | ||
2cdbfd66 US |
192 | /* DRM Infoframe as per CTA 861.G spec */ |
193 | struct hdmi_drm_infoframe { | |
194 | enum hdmi_infoframe_type type; | |
195 | unsigned char version; | |
196 | unsigned char length; | |
197 | enum hdmi_eotf eotf; | |
198 | enum hdmi_metadata_type metadata_type; | |
199 | struct { | |
200 | u16 x, y; | |
201 | } display_primaries[3]; | |
202 | struct { | |
203 | u16 x, y; | |
204 | } white_point; | |
205 | u16 max_display_mastering_luminance; | |
206 | u16 min_display_mastering_luminance; | |
207 | u16 max_cll; | |
208 | u16 max_fall; | |
209 | }; | |
210 | ||
5ee0caf1 | 211 | void hdmi_avi_infoframe_init(struct hdmi_avi_infoframe *frame); |
f142d3bd TR |
212 | ssize_t hdmi_avi_infoframe_pack(struct hdmi_avi_infoframe *frame, void *buffer, |
213 | size_t size); | |
c5e69ab3 VS |
214 | ssize_t hdmi_avi_infoframe_pack_only(const struct hdmi_avi_infoframe *frame, |
215 | void *buffer, size_t size); | |
216 | int hdmi_avi_infoframe_check(struct hdmi_avi_infoframe *frame); | |
2cdbfd66 US |
217 | int hdmi_drm_infoframe_init(struct hdmi_drm_infoframe *frame); |
218 | ssize_t hdmi_drm_infoframe_pack(struct hdmi_drm_infoframe *frame, void *buffer, | |
219 | size_t size); | |
220 | ssize_t hdmi_drm_infoframe_pack_only(const struct hdmi_drm_infoframe *frame, | |
221 | void *buffer, size_t size); | |
222 | int hdmi_drm_infoframe_check(struct hdmi_drm_infoframe *frame); | |
f45ce933 GM |
223 | int hdmi_drm_infoframe_unpack_only(struct hdmi_drm_infoframe *frame, |
224 | const void *buffer, size_t size); | |
f142d3bd TR |
225 | |
226 | enum hdmi_spd_sdi { | |
227 | HDMI_SPD_SDI_UNKNOWN, | |
228 | HDMI_SPD_SDI_DSTB, | |
229 | HDMI_SPD_SDI_DVDP, | |
230 | HDMI_SPD_SDI_DVHS, | |
231 | HDMI_SPD_SDI_HDDVR, | |
232 | HDMI_SPD_SDI_DVC, | |
233 | HDMI_SPD_SDI_DSC, | |
234 | HDMI_SPD_SDI_VCD, | |
235 | HDMI_SPD_SDI_GAME, | |
236 | HDMI_SPD_SDI_PC, | |
237 | HDMI_SPD_SDI_BD, | |
238 | HDMI_SPD_SDI_SACD, | |
239 | HDMI_SPD_SDI_HDDVD, | |
240 | HDMI_SPD_SDI_PMP, | |
241 | }; | |
242 | ||
243 | struct hdmi_spd_infoframe { | |
244 | enum hdmi_infoframe_type type; | |
245 | unsigned char version; | |
246 | unsigned char length; | |
247 | char vendor[8]; | |
248 | char product[16]; | |
249 | enum hdmi_spd_sdi sdi; | |
250 | }; | |
251 | ||
252 | int hdmi_spd_infoframe_init(struct hdmi_spd_infoframe *frame, | |
253 | const char *vendor, const char *product); | |
254 | ssize_t hdmi_spd_infoframe_pack(struct hdmi_spd_infoframe *frame, void *buffer, | |
255 | size_t size); | |
c5e69ab3 VS |
256 | ssize_t hdmi_spd_infoframe_pack_only(const struct hdmi_spd_infoframe *frame, |
257 | void *buffer, size_t size); | |
258 | int hdmi_spd_infoframe_check(struct hdmi_spd_infoframe *frame); | |
f142d3bd TR |
259 | |
260 | enum hdmi_audio_coding_type { | |
261 | HDMI_AUDIO_CODING_TYPE_STREAM, | |
262 | HDMI_AUDIO_CODING_TYPE_PCM, | |
263 | HDMI_AUDIO_CODING_TYPE_AC3, | |
264 | HDMI_AUDIO_CODING_TYPE_MPEG1, | |
265 | HDMI_AUDIO_CODING_TYPE_MP3, | |
266 | HDMI_AUDIO_CODING_TYPE_MPEG2, | |
267 | HDMI_AUDIO_CODING_TYPE_AAC_LC, | |
268 | HDMI_AUDIO_CODING_TYPE_DTS, | |
269 | HDMI_AUDIO_CODING_TYPE_ATRAC, | |
270 | HDMI_AUDIO_CODING_TYPE_DSD, | |
271 | HDMI_AUDIO_CODING_TYPE_EAC3, | |
272 | HDMI_AUDIO_CODING_TYPE_DTS_HD, | |
273 | HDMI_AUDIO_CODING_TYPE_MLP, | |
274 | HDMI_AUDIO_CODING_TYPE_DST, | |
275 | HDMI_AUDIO_CODING_TYPE_WMA_PRO, | |
05c80d75 | 276 | HDMI_AUDIO_CODING_TYPE_CXT, |
f142d3bd TR |
277 | }; |
278 | ||
279 | enum hdmi_audio_sample_size { | |
280 | HDMI_AUDIO_SAMPLE_SIZE_STREAM, | |
281 | HDMI_AUDIO_SAMPLE_SIZE_16, | |
282 | HDMI_AUDIO_SAMPLE_SIZE_20, | |
283 | HDMI_AUDIO_SAMPLE_SIZE_24, | |
284 | }; | |
285 | ||
286 | enum hdmi_audio_sample_frequency { | |
287 | HDMI_AUDIO_SAMPLE_FREQUENCY_STREAM, | |
288 | HDMI_AUDIO_SAMPLE_FREQUENCY_32000, | |
289 | HDMI_AUDIO_SAMPLE_FREQUENCY_44100, | |
290 | HDMI_AUDIO_SAMPLE_FREQUENCY_48000, | |
291 | HDMI_AUDIO_SAMPLE_FREQUENCY_88200, | |
292 | HDMI_AUDIO_SAMPLE_FREQUENCY_96000, | |
293 | HDMI_AUDIO_SAMPLE_FREQUENCY_176400, | |
294 | HDMI_AUDIO_SAMPLE_FREQUENCY_192000, | |
295 | }; | |
296 | ||
297 | enum hdmi_audio_coding_type_ext { | |
dc189053 HV |
298 | /* Refer to Audio Coding Type (CT) field in Data Byte 1 */ |
299 | HDMI_AUDIO_CODING_TYPE_EXT_CT, | |
05c80d75 HV |
300 | |
301 | /* | |
302 | * The next three CXT values are defined in CEA-861-E only. | |
303 | * They do not exist in older versions, and in CEA-861-F they are | |
304 | * defined as 'Not in use'. | |
305 | */ | |
f142d3bd TR |
306 | HDMI_AUDIO_CODING_TYPE_EXT_HE_AAC, |
307 | HDMI_AUDIO_CODING_TYPE_EXT_HE_AAC_V2, | |
308 | HDMI_AUDIO_CODING_TYPE_EXT_MPEG_SURROUND, | |
05c80d75 HV |
309 | |
310 | /* The following CXT values are only defined in CEA-861-F. */ | |
311 | HDMI_AUDIO_CODING_TYPE_EXT_MPEG4_HE_AAC, | |
312 | HDMI_AUDIO_CODING_TYPE_EXT_MPEG4_HE_AAC_V2, | |
313 | HDMI_AUDIO_CODING_TYPE_EXT_MPEG4_AAC_LC, | |
314 | HDMI_AUDIO_CODING_TYPE_EXT_DRA, | |
315 | HDMI_AUDIO_CODING_TYPE_EXT_MPEG4_HE_AAC_SURROUND, | |
316 | HDMI_AUDIO_CODING_TYPE_EXT_MPEG4_AAC_LC_SURROUND = 10, | |
f142d3bd TR |
317 | }; |
318 | ||
319 | struct hdmi_audio_infoframe { | |
320 | enum hdmi_infoframe_type type; | |
321 | unsigned char version; | |
322 | unsigned char length; | |
323 | unsigned char channels; | |
324 | enum hdmi_audio_coding_type coding_type; | |
325 | enum hdmi_audio_sample_size sample_size; | |
326 | enum hdmi_audio_sample_frequency sample_frequency; | |
327 | enum hdmi_audio_coding_type_ext coding_type_ext; | |
328 | unsigned char channel_allocation; | |
329 | unsigned char level_shift_value; | |
330 | bool downmix_inhibit; | |
331 | ||
332 | }; | |
333 | ||
334 | int hdmi_audio_infoframe_init(struct hdmi_audio_infoframe *frame); | |
335 | ssize_t hdmi_audio_infoframe_pack(struct hdmi_audio_infoframe *frame, | |
336 | void *buffer, size_t size); | |
c5e69ab3 VS |
337 | ssize_t hdmi_audio_infoframe_pack_only(const struct hdmi_audio_infoframe *frame, |
338 | void *buffer, size_t size); | |
f89aa0b6 MSP |
339 | int hdmi_audio_infoframe_check(const struct hdmi_audio_infoframe *frame); |
340 | ||
341 | struct dp_sdp; | |
342 | ssize_t | |
343 | hdmi_audio_infoframe_pack_for_dp(const struct hdmi_audio_infoframe *frame, | |
344 | struct dp_sdp *sdp, u8 dp_version); | |
f142d3bd | 345 | |
7d27becb LD |
346 | enum hdmi_3d_structure { |
347 | HDMI_3D_STRUCTURE_INVALID = -1, | |
348 | HDMI_3D_STRUCTURE_FRAME_PACKING = 0, | |
349 | HDMI_3D_STRUCTURE_FIELD_ALTERNATIVE, | |
350 | HDMI_3D_STRUCTURE_LINE_ALTERNATIVE, | |
351 | HDMI_3D_STRUCTURE_SIDE_BY_SIDE_FULL, | |
352 | HDMI_3D_STRUCTURE_L_DEPTH, | |
353 | HDMI_3D_STRUCTURE_L_DEPTH_GFX_GFX_DEPTH, | |
354 | HDMI_3D_STRUCTURE_TOP_AND_BOTTOM, | |
355 | HDMI_3D_STRUCTURE_SIDE_BY_SIDE_HALF = 8, | |
356 | }; | |
357 | ||
ae84b900 LD |
358 | |
359 | struct hdmi_vendor_infoframe { | |
7d27becb LD |
360 | enum hdmi_infoframe_type type; |
361 | unsigned char version; | |
362 | unsigned char length; | |
af3e95b4 | 363 | unsigned int oui; |
7d27becb LD |
364 | u8 vic; |
365 | enum hdmi_3d_structure s3d_struct; | |
366 | unsigned int s3d_ext_data; | |
367 | }; | |
368 | ||
fbb5d035 US |
369 | /* HDR Metadata as per 861.G spec */ |
370 | struct hdr_static_metadata { | |
371 | __u8 eotf; | |
372 | __u8 metadata_type; | |
373 | __u16 max_cll; | |
374 | __u16 max_fall; | |
375 | __u16 min_cll; | |
376 | }; | |
377 | ||
a09db883 US |
378 | /** |
379 | * struct hdr_sink_metadata - HDR sink metadata | |
380 | * | |
381 | * Metadata Information read from Sink's EDID | |
382 | */ | |
fbb5d035 | 383 | struct hdr_sink_metadata { |
a09db883 US |
384 | /** |
385 | * @metadata_type: Static_Metadata_Descriptor_ID. | |
386 | */ | |
fbb5d035 | 387 | __u32 metadata_type; |
a09db883 US |
388 | /** |
389 | * @hdmi_type1: HDR Metadata Infoframe. | |
390 | */ | |
fbb5d035 US |
391 | union { |
392 | struct hdr_static_metadata hdmi_type1; | |
393 | }; | |
394 | }; | |
395 | ||
ae84b900 LD |
396 | int hdmi_vendor_infoframe_init(struct hdmi_vendor_infoframe *frame); |
397 | ssize_t hdmi_vendor_infoframe_pack(struct hdmi_vendor_infoframe *frame, | |
398 | void *buffer, size_t size); | |
c5e69ab3 VS |
399 | ssize_t hdmi_vendor_infoframe_pack_only(const struct hdmi_vendor_infoframe *frame, |
400 | void *buffer, size_t size); | |
401 | int hdmi_vendor_infoframe_check(struct hdmi_vendor_infoframe *frame); | |
7d27becb | 402 | |
ae84b900 | 403 | union hdmi_vendor_any_infoframe { |
af3e95b4 LD |
404 | struct { |
405 | enum hdmi_infoframe_type type; | |
406 | unsigned char version; | |
407 | unsigned char length; | |
408 | unsigned int oui; | |
409 | } any; | |
ae84b900 | 410 | struct hdmi_vendor_infoframe hdmi; |
af3e95b4 LD |
411 | }; |
412 | ||
2d123f46 DV |
413 | /** |
414 | * union hdmi_infoframe - overall union of all abstract infoframe representations | |
415 | * @any: generic infoframe | |
416 | * @avi: avi infoframe | |
417 | * @spd: spd infoframe | |
418 | * @vendor: union of all vendor infoframes | |
419 | * @audio: audio infoframe | |
a09db883 | 420 | * @drm: Dynamic Range and Mastering infoframe |
2d123f46 DV |
421 | * |
422 | * This is used by the generic pack function. This works since all infoframes | |
423 | * have the same header which also indicates which type of infoframe should be | |
424 | * packed. | |
425 | */ | |
72b09896 DL |
426 | union hdmi_infoframe { |
427 | struct hdmi_any_infoframe any; | |
428 | struct hdmi_avi_infoframe avi; | |
429 | struct hdmi_spd_infoframe spd; | |
ae84b900 | 430 | union hdmi_vendor_any_infoframe vendor; |
72b09896 | 431 | struct hdmi_audio_infoframe audio; |
2cdbfd66 | 432 | struct hdmi_drm_infoframe drm; |
72b09896 DL |
433 | }; |
434 | ||
c5e69ab3 VS |
435 | ssize_t hdmi_infoframe_pack(union hdmi_infoframe *frame, void *buffer, |
436 | size_t size); | |
437 | ssize_t hdmi_infoframe_pack_only(const union hdmi_infoframe *frame, | |
438 | void *buffer, size_t size); | |
439 | int hdmi_infoframe_check(union hdmi_infoframe *frame); | |
f26e1de5 | 440 | int hdmi_infoframe_unpack(union hdmi_infoframe *frame, |
480b8b3e | 441 | const void *buffer, size_t size); |
2c676f37 | 442 | void hdmi_infoframe_log(const char *level, struct device *dev, |
468d6a49 | 443 | const union hdmi_infoframe *frame); |
72b09896 | 444 | |
f142d3bd | 445 | #endif /* _DRM_HDMI_H */ |