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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 TR |
29 | |
30 | enum hdmi_infoframe_type { | |
31 | HDMI_INFOFRAME_TYPE_VENDOR = 0x81, | |
32 | HDMI_INFOFRAME_TYPE_AVI = 0x82, | |
33 | HDMI_INFOFRAME_TYPE_SPD = 0x83, | |
34 | HDMI_INFOFRAME_TYPE_AUDIO = 0x84, | |
35 | }; | |
36 | ||
6cb3b7f1 | 37 | #define HDMI_IEEE_OUI 0x000c03 |
50dd1bd1 | 38 | #define HDMI_FORUM_IEEE_OUI 0xc45dd8 |
f142d3bd TR |
39 | #define HDMI_INFOFRAME_HEADER_SIZE 4 |
40 | #define HDMI_AVI_INFOFRAME_SIZE 13 | |
41 | #define HDMI_SPD_INFOFRAME_SIZE 25 | |
42 | #define HDMI_AUDIO_INFOFRAME_SIZE 10 | |
43 | ||
61177b0e DL |
44 | #define HDMI_INFOFRAME_SIZE(type) \ |
45 | (HDMI_INFOFRAME_HEADER_SIZE + HDMI_ ## type ## _INFOFRAME_SIZE) | |
46 | ||
72b09896 DL |
47 | struct hdmi_any_infoframe { |
48 | enum hdmi_infoframe_type type; | |
49 | unsigned char version; | |
50 | unsigned char length; | |
51 | }; | |
52 | ||
f142d3bd TR |
53 | enum hdmi_colorspace { |
54 | HDMI_COLORSPACE_RGB, | |
55 | HDMI_COLORSPACE_YUV422, | |
56 | HDMI_COLORSPACE_YUV444, | |
05c80d75 HV |
57 | HDMI_COLORSPACE_YUV420, |
58 | HDMI_COLORSPACE_RESERVED4, | |
59 | HDMI_COLORSPACE_RESERVED5, | |
60 | HDMI_COLORSPACE_RESERVED6, | |
61 | HDMI_COLORSPACE_IDO_DEFINED, | |
f142d3bd TR |
62 | }; |
63 | ||
64 | enum hdmi_scan_mode { | |
65 | HDMI_SCAN_MODE_NONE, | |
66 | HDMI_SCAN_MODE_OVERSCAN, | |
67 | HDMI_SCAN_MODE_UNDERSCAN, | |
05c80d75 | 68 | HDMI_SCAN_MODE_RESERVED, |
f142d3bd TR |
69 | }; |
70 | ||
71 | enum hdmi_colorimetry { | |
72 | HDMI_COLORIMETRY_NONE, | |
73 | HDMI_COLORIMETRY_ITU_601, | |
74 | HDMI_COLORIMETRY_ITU_709, | |
75 | HDMI_COLORIMETRY_EXTENDED, | |
76 | }; | |
77 | ||
78 | enum hdmi_picture_aspect { | |
79 | HDMI_PICTURE_ASPECT_NONE, | |
80 | HDMI_PICTURE_ASPECT_4_3, | |
81 | HDMI_PICTURE_ASPECT_16_9, | |
a6e78b3e SS |
82 | HDMI_PICTURE_ASPECT_64_27, |
83 | HDMI_PICTURE_ASPECT_256_135, | |
05c80d75 | 84 | HDMI_PICTURE_ASPECT_RESERVED, |
f142d3bd TR |
85 | }; |
86 | ||
87 | enum hdmi_active_aspect { | |
88 | HDMI_ACTIVE_ASPECT_16_9_TOP = 2, | |
89 | HDMI_ACTIVE_ASPECT_14_9_TOP = 3, | |
90 | HDMI_ACTIVE_ASPECT_16_9_CENTER = 4, | |
91 | HDMI_ACTIVE_ASPECT_PICTURE = 8, | |
92 | HDMI_ACTIVE_ASPECT_4_3 = 9, | |
93 | HDMI_ACTIVE_ASPECT_16_9 = 10, | |
94 | HDMI_ACTIVE_ASPECT_14_9 = 11, | |
95 | HDMI_ACTIVE_ASPECT_4_3_SP_14_9 = 13, | |
96 | HDMI_ACTIVE_ASPECT_16_9_SP_14_9 = 14, | |
97 | HDMI_ACTIVE_ASPECT_16_9_SP_4_3 = 15, | |
98 | }; | |
99 | ||
100 | enum hdmi_extended_colorimetry { | |
101 | HDMI_EXTENDED_COLORIMETRY_XV_YCC_601, | |
102 | HDMI_EXTENDED_COLORIMETRY_XV_YCC_709, | |
103 | HDMI_EXTENDED_COLORIMETRY_S_YCC_601, | |
104 | HDMI_EXTENDED_COLORIMETRY_ADOBE_YCC_601, | |
105 | HDMI_EXTENDED_COLORIMETRY_ADOBE_RGB, | |
05c80d75 HV |
106 | |
107 | /* The following EC values are only defined in CEA-861-F. */ | |
108 | HDMI_EXTENDED_COLORIMETRY_BT2020_CONST_LUM, | |
109 | HDMI_EXTENDED_COLORIMETRY_BT2020, | |
110 | HDMI_EXTENDED_COLORIMETRY_RESERVED, | |
f142d3bd TR |
111 | }; |
112 | ||
113 | enum hdmi_quantization_range { | |
114 | HDMI_QUANTIZATION_RANGE_DEFAULT, | |
115 | HDMI_QUANTIZATION_RANGE_LIMITED, | |
116 | HDMI_QUANTIZATION_RANGE_FULL, | |
05c80d75 | 117 | HDMI_QUANTIZATION_RANGE_RESERVED, |
f142d3bd TR |
118 | }; |
119 | ||
120 | /* non-uniform picture scaling */ | |
121 | enum hdmi_nups { | |
122 | HDMI_NUPS_UNKNOWN, | |
123 | HDMI_NUPS_HORIZONTAL, | |
124 | HDMI_NUPS_VERTICAL, | |
125 | HDMI_NUPS_BOTH, | |
126 | }; | |
127 | ||
128 | enum hdmi_ycc_quantization_range { | |
129 | HDMI_YCC_QUANTIZATION_RANGE_LIMITED, | |
130 | HDMI_YCC_QUANTIZATION_RANGE_FULL, | |
131 | }; | |
132 | ||
133 | enum hdmi_content_type { | |
05c80d75 | 134 | HDMI_CONTENT_TYPE_GRAPHICS, |
f142d3bd TR |
135 | HDMI_CONTENT_TYPE_PHOTO, |
136 | HDMI_CONTENT_TYPE_CINEMA, | |
137 | HDMI_CONTENT_TYPE_GAME, | |
138 | }; | |
139 | ||
140 | struct hdmi_avi_infoframe { | |
141 | enum hdmi_infoframe_type type; | |
142 | unsigned char version; | |
143 | unsigned char length; | |
144 | enum hdmi_colorspace colorspace; | |
f142d3bd TR |
145 | enum hdmi_scan_mode scan_mode; |
146 | enum hdmi_colorimetry colorimetry; | |
147 | enum hdmi_picture_aspect picture_aspect; | |
148 | enum hdmi_active_aspect active_aspect; | |
149 | bool itc; | |
150 | enum hdmi_extended_colorimetry extended_colorimetry; | |
151 | enum hdmi_quantization_range quantization_range; | |
152 | enum hdmi_nups nups; | |
153 | unsigned char video_code; | |
154 | enum hdmi_ycc_quantization_range ycc_quantization_range; | |
155 | enum hdmi_content_type content_type; | |
156 | unsigned char pixel_repeat; | |
157 | unsigned short top_bar; | |
158 | unsigned short bottom_bar; | |
159 | unsigned short left_bar; | |
160 | unsigned short right_bar; | |
161 | }; | |
162 | ||
163 | int hdmi_avi_infoframe_init(struct hdmi_avi_infoframe *frame); | |
164 | ssize_t hdmi_avi_infoframe_pack(struct hdmi_avi_infoframe *frame, void *buffer, | |
165 | size_t size); | |
166 | ||
167 | enum hdmi_spd_sdi { | |
168 | HDMI_SPD_SDI_UNKNOWN, | |
169 | HDMI_SPD_SDI_DSTB, | |
170 | HDMI_SPD_SDI_DVDP, | |
171 | HDMI_SPD_SDI_DVHS, | |
172 | HDMI_SPD_SDI_HDDVR, | |
173 | HDMI_SPD_SDI_DVC, | |
174 | HDMI_SPD_SDI_DSC, | |
175 | HDMI_SPD_SDI_VCD, | |
176 | HDMI_SPD_SDI_GAME, | |
177 | HDMI_SPD_SDI_PC, | |
178 | HDMI_SPD_SDI_BD, | |
179 | HDMI_SPD_SDI_SACD, | |
180 | HDMI_SPD_SDI_HDDVD, | |
181 | HDMI_SPD_SDI_PMP, | |
182 | }; | |
183 | ||
184 | struct hdmi_spd_infoframe { | |
185 | enum hdmi_infoframe_type type; | |
186 | unsigned char version; | |
187 | unsigned char length; | |
188 | char vendor[8]; | |
189 | char product[16]; | |
190 | enum hdmi_spd_sdi sdi; | |
191 | }; | |
192 | ||
193 | int hdmi_spd_infoframe_init(struct hdmi_spd_infoframe *frame, | |
194 | const char *vendor, const char *product); | |
195 | ssize_t hdmi_spd_infoframe_pack(struct hdmi_spd_infoframe *frame, void *buffer, | |
196 | size_t size); | |
197 | ||
198 | enum hdmi_audio_coding_type { | |
199 | HDMI_AUDIO_CODING_TYPE_STREAM, | |
200 | HDMI_AUDIO_CODING_TYPE_PCM, | |
201 | HDMI_AUDIO_CODING_TYPE_AC3, | |
202 | HDMI_AUDIO_CODING_TYPE_MPEG1, | |
203 | HDMI_AUDIO_CODING_TYPE_MP3, | |
204 | HDMI_AUDIO_CODING_TYPE_MPEG2, | |
205 | HDMI_AUDIO_CODING_TYPE_AAC_LC, | |
206 | HDMI_AUDIO_CODING_TYPE_DTS, | |
207 | HDMI_AUDIO_CODING_TYPE_ATRAC, | |
208 | HDMI_AUDIO_CODING_TYPE_DSD, | |
209 | HDMI_AUDIO_CODING_TYPE_EAC3, | |
210 | HDMI_AUDIO_CODING_TYPE_DTS_HD, | |
211 | HDMI_AUDIO_CODING_TYPE_MLP, | |
212 | HDMI_AUDIO_CODING_TYPE_DST, | |
213 | HDMI_AUDIO_CODING_TYPE_WMA_PRO, | |
05c80d75 | 214 | HDMI_AUDIO_CODING_TYPE_CXT, |
f142d3bd TR |
215 | }; |
216 | ||
217 | enum hdmi_audio_sample_size { | |
218 | HDMI_AUDIO_SAMPLE_SIZE_STREAM, | |
219 | HDMI_AUDIO_SAMPLE_SIZE_16, | |
220 | HDMI_AUDIO_SAMPLE_SIZE_20, | |
221 | HDMI_AUDIO_SAMPLE_SIZE_24, | |
222 | }; | |
223 | ||
224 | enum hdmi_audio_sample_frequency { | |
225 | HDMI_AUDIO_SAMPLE_FREQUENCY_STREAM, | |
226 | HDMI_AUDIO_SAMPLE_FREQUENCY_32000, | |
227 | HDMI_AUDIO_SAMPLE_FREQUENCY_44100, | |
228 | HDMI_AUDIO_SAMPLE_FREQUENCY_48000, | |
229 | HDMI_AUDIO_SAMPLE_FREQUENCY_88200, | |
230 | HDMI_AUDIO_SAMPLE_FREQUENCY_96000, | |
231 | HDMI_AUDIO_SAMPLE_FREQUENCY_176400, | |
232 | HDMI_AUDIO_SAMPLE_FREQUENCY_192000, | |
233 | }; | |
234 | ||
235 | enum hdmi_audio_coding_type_ext { | |
dc189053 HV |
236 | /* Refer to Audio Coding Type (CT) field in Data Byte 1 */ |
237 | HDMI_AUDIO_CODING_TYPE_EXT_CT, | |
05c80d75 HV |
238 | |
239 | /* | |
240 | * The next three CXT values are defined in CEA-861-E only. | |
241 | * They do not exist in older versions, and in CEA-861-F they are | |
242 | * defined as 'Not in use'. | |
243 | */ | |
f142d3bd TR |
244 | HDMI_AUDIO_CODING_TYPE_EXT_HE_AAC, |
245 | HDMI_AUDIO_CODING_TYPE_EXT_HE_AAC_V2, | |
246 | HDMI_AUDIO_CODING_TYPE_EXT_MPEG_SURROUND, | |
05c80d75 HV |
247 | |
248 | /* The following CXT values are only defined in CEA-861-F. */ | |
249 | HDMI_AUDIO_CODING_TYPE_EXT_MPEG4_HE_AAC, | |
250 | HDMI_AUDIO_CODING_TYPE_EXT_MPEG4_HE_AAC_V2, | |
251 | HDMI_AUDIO_CODING_TYPE_EXT_MPEG4_AAC_LC, | |
252 | HDMI_AUDIO_CODING_TYPE_EXT_DRA, | |
253 | HDMI_AUDIO_CODING_TYPE_EXT_MPEG4_HE_AAC_SURROUND, | |
254 | HDMI_AUDIO_CODING_TYPE_EXT_MPEG4_AAC_LC_SURROUND = 10, | |
f142d3bd TR |
255 | }; |
256 | ||
257 | struct hdmi_audio_infoframe { | |
258 | enum hdmi_infoframe_type type; | |
259 | unsigned char version; | |
260 | unsigned char length; | |
261 | unsigned char channels; | |
262 | enum hdmi_audio_coding_type coding_type; | |
263 | enum hdmi_audio_sample_size sample_size; | |
264 | enum hdmi_audio_sample_frequency sample_frequency; | |
265 | enum hdmi_audio_coding_type_ext coding_type_ext; | |
266 | unsigned char channel_allocation; | |
267 | unsigned char level_shift_value; | |
268 | bool downmix_inhibit; | |
269 | ||
270 | }; | |
271 | ||
272 | int hdmi_audio_infoframe_init(struct hdmi_audio_infoframe *frame); | |
273 | ssize_t hdmi_audio_infoframe_pack(struct hdmi_audio_infoframe *frame, | |
274 | void *buffer, size_t size); | |
275 | ||
7d27becb LD |
276 | enum hdmi_3d_structure { |
277 | HDMI_3D_STRUCTURE_INVALID = -1, | |
278 | HDMI_3D_STRUCTURE_FRAME_PACKING = 0, | |
279 | HDMI_3D_STRUCTURE_FIELD_ALTERNATIVE, | |
280 | HDMI_3D_STRUCTURE_LINE_ALTERNATIVE, | |
281 | HDMI_3D_STRUCTURE_SIDE_BY_SIDE_FULL, | |
282 | HDMI_3D_STRUCTURE_L_DEPTH, | |
283 | HDMI_3D_STRUCTURE_L_DEPTH_GFX_GFX_DEPTH, | |
284 | HDMI_3D_STRUCTURE_TOP_AND_BOTTOM, | |
285 | HDMI_3D_STRUCTURE_SIDE_BY_SIDE_HALF = 8, | |
286 | }; | |
287 | ||
ae84b900 LD |
288 | |
289 | struct hdmi_vendor_infoframe { | |
7d27becb LD |
290 | enum hdmi_infoframe_type type; |
291 | unsigned char version; | |
292 | unsigned char length; | |
af3e95b4 | 293 | unsigned int oui; |
7d27becb LD |
294 | u8 vic; |
295 | enum hdmi_3d_structure s3d_struct; | |
296 | unsigned int s3d_ext_data; | |
297 | }; | |
298 | ||
ae84b900 LD |
299 | int hdmi_vendor_infoframe_init(struct hdmi_vendor_infoframe *frame); |
300 | ssize_t hdmi_vendor_infoframe_pack(struct hdmi_vendor_infoframe *frame, | |
301 | void *buffer, size_t size); | |
7d27becb | 302 | |
ae84b900 | 303 | union hdmi_vendor_any_infoframe { |
af3e95b4 LD |
304 | struct { |
305 | enum hdmi_infoframe_type type; | |
306 | unsigned char version; | |
307 | unsigned char length; | |
308 | unsigned int oui; | |
309 | } any; | |
ae84b900 | 310 | struct hdmi_vendor_infoframe hdmi; |
af3e95b4 LD |
311 | }; |
312 | ||
2d123f46 DV |
313 | /** |
314 | * union hdmi_infoframe - overall union of all abstract infoframe representations | |
315 | * @any: generic infoframe | |
316 | * @avi: avi infoframe | |
317 | * @spd: spd infoframe | |
318 | * @vendor: union of all vendor infoframes | |
319 | * @audio: audio infoframe | |
320 | * | |
321 | * This is used by the generic pack function. This works since all infoframes | |
322 | * have the same header which also indicates which type of infoframe should be | |
323 | * packed. | |
324 | */ | |
72b09896 DL |
325 | union hdmi_infoframe { |
326 | struct hdmi_any_infoframe any; | |
327 | struct hdmi_avi_infoframe avi; | |
328 | struct hdmi_spd_infoframe spd; | |
ae84b900 | 329 | union hdmi_vendor_any_infoframe vendor; |
72b09896 DL |
330 | struct hdmi_audio_infoframe audio; |
331 | }; | |
332 | ||
333 | ssize_t | |
334 | hdmi_infoframe_pack(union hdmi_infoframe *frame, void *buffer, size_t size); | |
f26e1de5 | 335 | int hdmi_infoframe_unpack(union hdmi_infoframe *frame, |
480b8b3e | 336 | const void *buffer, size_t size); |
2c676f37 MB |
337 | void hdmi_infoframe_log(const char *level, struct device *dev, |
338 | union hdmi_infoframe *frame); | |
72b09896 | 339 | |
f142d3bd | 340 | #endif /* _DRM_HDMI_H */ |