2 * Copyright (C) 2012 Avionic Design GmbH
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:
11 * The above copyright notice and this permission notice (including the
12 * next paragraph) shall be included in all copies or substantial portions
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.
24 #ifndef __LINUX_HDMI_H_
25 #define __LINUX_HDMI_H_
27 #include <linux/types.h>
29 enum hdmi_infoframe_type
{
30 HDMI_INFOFRAME_TYPE_VENDOR
= 0x81,
31 HDMI_INFOFRAME_TYPE_AVI
= 0x82,
32 HDMI_INFOFRAME_TYPE_SPD
= 0x83,
33 HDMI_INFOFRAME_TYPE_AUDIO
= 0x84,
36 #define HDMI_IEEE_OUI 0x000c03
37 #define HDMI_INFOFRAME_HEADER_SIZE 4
38 #define HDMI_AVI_INFOFRAME_SIZE 13
39 #define HDMI_SPD_INFOFRAME_SIZE 25
40 #define HDMI_AUDIO_INFOFRAME_SIZE 10
42 #define HDMI_INFOFRAME_SIZE(type) \
43 (HDMI_INFOFRAME_HEADER_SIZE + HDMI_ ## type ## _INFOFRAME_SIZE)
45 struct hdmi_any_infoframe
{
46 enum hdmi_infoframe_type type
;
47 unsigned char version
;
51 enum hdmi_colorspace
{
53 HDMI_COLORSPACE_YUV422
,
54 HDMI_COLORSPACE_YUV444
,
59 HDMI_SCAN_MODE_OVERSCAN
,
60 HDMI_SCAN_MODE_UNDERSCAN
,
63 enum hdmi_colorimetry
{
64 HDMI_COLORIMETRY_NONE
,
65 HDMI_COLORIMETRY_ITU_601
,
66 HDMI_COLORIMETRY_ITU_709
,
67 HDMI_COLORIMETRY_EXTENDED
,
70 enum hdmi_picture_aspect
{
71 HDMI_PICTURE_ASPECT_NONE
,
72 HDMI_PICTURE_ASPECT_4_3
,
73 HDMI_PICTURE_ASPECT_16_9
,
76 enum hdmi_active_aspect
{
77 HDMI_ACTIVE_ASPECT_16_9_TOP
= 2,
78 HDMI_ACTIVE_ASPECT_14_9_TOP
= 3,
79 HDMI_ACTIVE_ASPECT_16_9_CENTER
= 4,
80 HDMI_ACTIVE_ASPECT_PICTURE
= 8,
81 HDMI_ACTIVE_ASPECT_4_3
= 9,
82 HDMI_ACTIVE_ASPECT_16_9
= 10,
83 HDMI_ACTIVE_ASPECT_14_9
= 11,
84 HDMI_ACTIVE_ASPECT_4_3_SP_14_9
= 13,
85 HDMI_ACTIVE_ASPECT_16_9_SP_14_9
= 14,
86 HDMI_ACTIVE_ASPECT_16_9_SP_4_3
= 15,
89 enum hdmi_extended_colorimetry
{
90 HDMI_EXTENDED_COLORIMETRY_XV_YCC_601
,
91 HDMI_EXTENDED_COLORIMETRY_XV_YCC_709
,
92 HDMI_EXTENDED_COLORIMETRY_S_YCC_601
,
93 HDMI_EXTENDED_COLORIMETRY_ADOBE_YCC_601
,
94 HDMI_EXTENDED_COLORIMETRY_ADOBE_RGB
,
97 enum hdmi_quantization_range
{
98 HDMI_QUANTIZATION_RANGE_DEFAULT
,
99 HDMI_QUANTIZATION_RANGE_LIMITED
,
100 HDMI_QUANTIZATION_RANGE_FULL
,
103 /* non-uniform picture scaling */
106 HDMI_NUPS_HORIZONTAL
,
111 enum hdmi_ycc_quantization_range
{
112 HDMI_YCC_QUANTIZATION_RANGE_LIMITED
,
113 HDMI_YCC_QUANTIZATION_RANGE_FULL
,
116 enum hdmi_content_type
{
117 HDMI_CONTENT_TYPE_NONE
,
118 HDMI_CONTENT_TYPE_PHOTO
,
119 HDMI_CONTENT_TYPE_CINEMA
,
120 HDMI_CONTENT_TYPE_GAME
,
123 struct hdmi_avi_infoframe
{
124 enum hdmi_infoframe_type type
;
125 unsigned char version
;
126 unsigned char length
;
127 enum hdmi_colorspace colorspace
;
128 enum hdmi_scan_mode scan_mode
;
129 enum hdmi_colorimetry colorimetry
;
130 enum hdmi_picture_aspect picture_aspect
;
131 enum hdmi_active_aspect active_aspect
;
133 enum hdmi_extended_colorimetry extended_colorimetry
;
134 enum hdmi_quantization_range quantization_range
;
136 unsigned char video_code
;
137 enum hdmi_ycc_quantization_range ycc_quantization_range
;
138 enum hdmi_content_type content_type
;
139 unsigned char pixel_repeat
;
140 unsigned short top_bar
;
141 unsigned short bottom_bar
;
142 unsigned short left_bar
;
143 unsigned short right_bar
;
146 int hdmi_avi_infoframe_init(struct hdmi_avi_infoframe
*frame
);
147 ssize_t
hdmi_avi_infoframe_pack(struct hdmi_avi_infoframe
*frame
, void *buffer
,
151 HDMI_SPD_SDI_UNKNOWN
,
167 struct hdmi_spd_infoframe
{
168 enum hdmi_infoframe_type type
;
169 unsigned char version
;
170 unsigned char length
;
173 enum hdmi_spd_sdi sdi
;
176 int hdmi_spd_infoframe_init(struct hdmi_spd_infoframe
*frame
,
177 const char *vendor
, const char *product
);
178 ssize_t
hdmi_spd_infoframe_pack(struct hdmi_spd_infoframe
*frame
, void *buffer
,
181 enum hdmi_audio_coding_type
{
182 HDMI_AUDIO_CODING_TYPE_STREAM
,
183 HDMI_AUDIO_CODING_TYPE_PCM
,
184 HDMI_AUDIO_CODING_TYPE_AC3
,
185 HDMI_AUDIO_CODING_TYPE_MPEG1
,
186 HDMI_AUDIO_CODING_TYPE_MP3
,
187 HDMI_AUDIO_CODING_TYPE_MPEG2
,
188 HDMI_AUDIO_CODING_TYPE_AAC_LC
,
189 HDMI_AUDIO_CODING_TYPE_DTS
,
190 HDMI_AUDIO_CODING_TYPE_ATRAC
,
191 HDMI_AUDIO_CODING_TYPE_DSD
,
192 HDMI_AUDIO_CODING_TYPE_EAC3
,
193 HDMI_AUDIO_CODING_TYPE_DTS_HD
,
194 HDMI_AUDIO_CODING_TYPE_MLP
,
195 HDMI_AUDIO_CODING_TYPE_DST
,
196 HDMI_AUDIO_CODING_TYPE_WMA_PRO
,
199 enum hdmi_audio_sample_size
{
200 HDMI_AUDIO_SAMPLE_SIZE_STREAM
,
201 HDMI_AUDIO_SAMPLE_SIZE_16
,
202 HDMI_AUDIO_SAMPLE_SIZE_20
,
203 HDMI_AUDIO_SAMPLE_SIZE_24
,
206 enum hdmi_audio_sample_frequency
{
207 HDMI_AUDIO_SAMPLE_FREQUENCY_STREAM
,
208 HDMI_AUDIO_SAMPLE_FREQUENCY_32000
,
209 HDMI_AUDIO_SAMPLE_FREQUENCY_44100
,
210 HDMI_AUDIO_SAMPLE_FREQUENCY_48000
,
211 HDMI_AUDIO_SAMPLE_FREQUENCY_88200
,
212 HDMI_AUDIO_SAMPLE_FREQUENCY_96000
,
213 HDMI_AUDIO_SAMPLE_FREQUENCY_176400
,
214 HDMI_AUDIO_SAMPLE_FREQUENCY_192000
,
217 enum hdmi_audio_coding_type_ext
{
218 HDMI_AUDIO_CODING_TYPE_EXT_STREAM
,
219 HDMI_AUDIO_CODING_TYPE_EXT_HE_AAC
,
220 HDMI_AUDIO_CODING_TYPE_EXT_HE_AAC_V2
,
221 HDMI_AUDIO_CODING_TYPE_EXT_MPEG_SURROUND
,
224 struct hdmi_audio_infoframe
{
225 enum hdmi_infoframe_type type
;
226 unsigned char version
;
227 unsigned char length
;
228 unsigned char channels
;
229 enum hdmi_audio_coding_type coding_type
;
230 enum hdmi_audio_sample_size sample_size
;
231 enum hdmi_audio_sample_frequency sample_frequency
;
232 enum hdmi_audio_coding_type_ext coding_type_ext
;
233 unsigned char channel_allocation
;
234 unsigned char level_shift_value
;
235 bool downmix_inhibit
;
239 int hdmi_audio_infoframe_init(struct hdmi_audio_infoframe
*frame
);
240 ssize_t
hdmi_audio_infoframe_pack(struct hdmi_audio_infoframe
*frame
,
241 void *buffer
, size_t size
);
243 enum hdmi_3d_structure
{
244 HDMI_3D_STRUCTURE_INVALID
= -1,
245 HDMI_3D_STRUCTURE_FRAME_PACKING
= 0,
246 HDMI_3D_STRUCTURE_FIELD_ALTERNATIVE
,
247 HDMI_3D_STRUCTURE_LINE_ALTERNATIVE
,
248 HDMI_3D_STRUCTURE_SIDE_BY_SIDE_FULL
,
249 HDMI_3D_STRUCTURE_L_DEPTH
,
250 HDMI_3D_STRUCTURE_L_DEPTH_GFX_GFX_DEPTH
,
251 HDMI_3D_STRUCTURE_TOP_AND_BOTTOM
,
252 HDMI_3D_STRUCTURE_SIDE_BY_SIDE_HALF
= 8,
256 struct hdmi_vendor_infoframe
{
257 enum hdmi_infoframe_type type
;
258 unsigned char version
;
259 unsigned char length
;
262 enum hdmi_3d_structure s3d_struct
;
263 unsigned int s3d_ext_data
;
266 int hdmi_vendor_infoframe_init(struct hdmi_vendor_infoframe
*frame
);
267 ssize_t
hdmi_vendor_infoframe_pack(struct hdmi_vendor_infoframe
*frame
,
268 void *buffer
, size_t size
);
270 union hdmi_vendor_any_infoframe
{
272 enum hdmi_infoframe_type type
;
273 unsigned char version
;
274 unsigned char length
;
277 struct hdmi_vendor_infoframe hdmi
;
281 * union hdmi_infoframe - overall union of all abstract infoframe representations
282 * @any: generic infoframe
283 * @avi: avi infoframe
284 * @spd: spd infoframe
285 * @vendor: union of all vendor infoframes
286 * @audio: audio infoframe
288 * This is used by the generic pack function. This works since all infoframes
289 * have the same header which also indicates which type of infoframe should be
292 union hdmi_infoframe
{
293 struct hdmi_any_infoframe any
;
294 struct hdmi_avi_infoframe avi
;
295 struct hdmi_spd_infoframe spd
;
296 union hdmi_vendor_any_infoframe vendor
;
297 struct hdmi_audio_infoframe audio
;
301 hdmi_infoframe_pack(union hdmi_infoframe
*frame
, void *buffer
, size_t size
);
303 #endif /* _DRM_HDMI_H */