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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 | ||
21 | #define HDMI_INFOFRAME_HEADER_SIZE 4 | |
22 | #define HDMI_AVI_INFOFRAME_SIZE 13 | |
23 | #define HDMI_SPD_INFOFRAME_SIZE 25 | |
24 | #define HDMI_AUDIO_INFOFRAME_SIZE 10 | |
25 | ||
26 | enum hdmi_colorspace { | |
27 | HDMI_COLORSPACE_RGB, | |
28 | HDMI_COLORSPACE_YUV422, | |
29 | HDMI_COLORSPACE_YUV444, | |
30 | }; | |
31 | ||
32 | enum hdmi_scan_mode { | |
33 | HDMI_SCAN_MODE_NONE, | |
34 | HDMI_SCAN_MODE_OVERSCAN, | |
35 | HDMI_SCAN_MODE_UNDERSCAN, | |
36 | }; | |
37 | ||
38 | enum hdmi_colorimetry { | |
39 | HDMI_COLORIMETRY_NONE, | |
40 | HDMI_COLORIMETRY_ITU_601, | |
41 | HDMI_COLORIMETRY_ITU_709, | |
42 | HDMI_COLORIMETRY_EXTENDED, | |
43 | }; | |
44 | ||
45 | enum hdmi_picture_aspect { | |
46 | HDMI_PICTURE_ASPECT_NONE, | |
47 | HDMI_PICTURE_ASPECT_4_3, | |
48 | HDMI_PICTURE_ASPECT_16_9, | |
49 | }; | |
50 | ||
51 | enum hdmi_active_aspect { | |
52 | HDMI_ACTIVE_ASPECT_16_9_TOP = 2, | |
53 | HDMI_ACTIVE_ASPECT_14_9_TOP = 3, | |
54 | HDMI_ACTIVE_ASPECT_16_9_CENTER = 4, | |
55 | HDMI_ACTIVE_ASPECT_PICTURE = 8, | |
56 | HDMI_ACTIVE_ASPECT_4_3 = 9, | |
57 | HDMI_ACTIVE_ASPECT_16_9 = 10, | |
58 | HDMI_ACTIVE_ASPECT_14_9 = 11, | |
59 | HDMI_ACTIVE_ASPECT_4_3_SP_14_9 = 13, | |
60 | HDMI_ACTIVE_ASPECT_16_9_SP_14_9 = 14, | |
61 | HDMI_ACTIVE_ASPECT_16_9_SP_4_3 = 15, | |
62 | }; | |
63 | ||
64 | enum hdmi_extended_colorimetry { | |
65 | HDMI_EXTENDED_COLORIMETRY_XV_YCC_601, | |
66 | HDMI_EXTENDED_COLORIMETRY_XV_YCC_709, | |
67 | HDMI_EXTENDED_COLORIMETRY_S_YCC_601, | |
68 | HDMI_EXTENDED_COLORIMETRY_ADOBE_YCC_601, | |
69 | HDMI_EXTENDED_COLORIMETRY_ADOBE_RGB, | |
70 | }; | |
71 | ||
72 | enum hdmi_quantization_range { | |
73 | HDMI_QUANTIZATION_RANGE_DEFAULT, | |
74 | HDMI_QUANTIZATION_RANGE_LIMITED, | |
75 | HDMI_QUANTIZATION_RANGE_FULL, | |
76 | }; | |
77 | ||
78 | /* non-uniform picture scaling */ | |
79 | enum hdmi_nups { | |
80 | HDMI_NUPS_UNKNOWN, | |
81 | HDMI_NUPS_HORIZONTAL, | |
82 | HDMI_NUPS_VERTICAL, | |
83 | HDMI_NUPS_BOTH, | |
84 | }; | |
85 | ||
86 | enum hdmi_ycc_quantization_range { | |
87 | HDMI_YCC_QUANTIZATION_RANGE_LIMITED, | |
88 | HDMI_YCC_QUANTIZATION_RANGE_FULL, | |
89 | }; | |
90 | ||
91 | enum hdmi_content_type { | |
92 | HDMI_CONTENT_TYPE_NONE, | |
93 | HDMI_CONTENT_TYPE_PHOTO, | |
94 | HDMI_CONTENT_TYPE_CINEMA, | |
95 | HDMI_CONTENT_TYPE_GAME, | |
96 | }; | |
97 | ||
98 | struct hdmi_avi_infoframe { | |
99 | enum hdmi_infoframe_type type; | |
100 | unsigned char version; | |
101 | unsigned char length; | |
102 | enum hdmi_colorspace colorspace; | |
103 | bool active_info_valid; | |
104 | bool horizontal_bar_valid; | |
105 | bool vertical_bar_valid; | |
106 | enum hdmi_scan_mode scan_mode; | |
107 | enum hdmi_colorimetry colorimetry; | |
108 | enum hdmi_picture_aspect picture_aspect; | |
109 | enum hdmi_active_aspect active_aspect; | |
110 | bool itc; | |
111 | enum hdmi_extended_colorimetry extended_colorimetry; | |
112 | enum hdmi_quantization_range quantization_range; | |
113 | enum hdmi_nups nups; | |
114 | unsigned char video_code; | |
115 | enum hdmi_ycc_quantization_range ycc_quantization_range; | |
116 | enum hdmi_content_type content_type; | |
117 | unsigned char pixel_repeat; | |
118 | unsigned short top_bar; | |
119 | unsigned short bottom_bar; | |
120 | unsigned short left_bar; | |
121 | unsigned short right_bar; | |
122 | }; | |
123 | ||
124 | int hdmi_avi_infoframe_init(struct hdmi_avi_infoframe *frame); | |
125 | ssize_t hdmi_avi_infoframe_pack(struct hdmi_avi_infoframe *frame, void *buffer, | |
126 | size_t size); | |
127 | ||
128 | enum hdmi_spd_sdi { | |
129 | HDMI_SPD_SDI_UNKNOWN, | |
130 | HDMI_SPD_SDI_DSTB, | |
131 | HDMI_SPD_SDI_DVDP, | |
132 | HDMI_SPD_SDI_DVHS, | |
133 | HDMI_SPD_SDI_HDDVR, | |
134 | HDMI_SPD_SDI_DVC, | |
135 | HDMI_SPD_SDI_DSC, | |
136 | HDMI_SPD_SDI_VCD, | |
137 | HDMI_SPD_SDI_GAME, | |
138 | HDMI_SPD_SDI_PC, | |
139 | HDMI_SPD_SDI_BD, | |
140 | HDMI_SPD_SDI_SACD, | |
141 | HDMI_SPD_SDI_HDDVD, | |
142 | HDMI_SPD_SDI_PMP, | |
143 | }; | |
144 | ||
145 | struct hdmi_spd_infoframe { | |
146 | enum hdmi_infoframe_type type; | |
147 | unsigned char version; | |
148 | unsigned char length; | |
149 | char vendor[8]; | |
150 | char product[16]; | |
151 | enum hdmi_spd_sdi sdi; | |
152 | }; | |
153 | ||
154 | int hdmi_spd_infoframe_init(struct hdmi_spd_infoframe *frame, | |
155 | const char *vendor, const char *product); | |
156 | ssize_t hdmi_spd_infoframe_pack(struct hdmi_spd_infoframe *frame, void *buffer, | |
157 | size_t size); | |
158 | ||
159 | enum hdmi_audio_coding_type { | |
160 | HDMI_AUDIO_CODING_TYPE_STREAM, | |
161 | HDMI_AUDIO_CODING_TYPE_PCM, | |
162 | HDMI_AUDIO_CODING_TYPE_AC3, | |
163 | HDMI_AUDIO_CODING_TYPE_MPEG1, | |
164 | HDMI_AUDIO_CODING_TYPE_MP3, | |
165 | HDMI_AUDIO_CODING_TYPE_MPEG2, | |
166 | HDMI_AUDIO_CODING_TYPE_AAC_LC, | |
167 | HDMI_AUDIO_CODING_TYPE_DTS, | |
168 | HDMI_AUDIO_CODING_TYPE_ATRAC, | |
169 | HDMI_AUDIO_CODING_TYPE_DSD, | |
170 | HDMI_AUDIO_CODING_TYPE_EAC3, | |
171 | HDMI_AUDIO_CODING_TYPE_DTS_HD, | |
172 | HDMI_AUDIO_CODING_TYPE_MLP, | |
173 | HDMI_AUDIO_CODING_TYPE_DST, | |
174 | HDMI_AUDIO_CODING_TYPE_WMA_PRO, | |
175 | }; | |
176 | ||
177 | enum hdmi_audio_sample_size { | |
178 | HDMI_AUDIO_SAMPLE_SIZE_STREAM, | |
179 | HDMI_AUDIO_SAMPLE_SIZE_16, | |
180 | HDMI_AUDIO_SAMPLE_SIZE_20, | |
181 | HDMI_AUDIO_SAMPLE_SIZE_24, | |
182 | }; | |
183 | ||
184 | enum hdmi_audio_sample_frequency { | |
185 | HDMI_AUDIO_SAMPLE_FREQUENCY_STREAM, | |
186 | HDMI_AUDIO_SAMPLE_FREQUENCY_32000, | |
187 | HDMI_AUDIO_SAMPLE_FREQUENCY_44100, | |
188 | HDMI_AUDIO_SAMPLE_FREQUENCY_48000, | |
189 | HDMI_AUDIO_SAMPLE_FREQUENCY_88200, | |
190 | HDMI_AUDIO_SAMPLE_FREQUENCY_96000, | |
191 | HDMI_AUDIO_SAMPLE_FREQUENCY_176400, | |
192 | HDMI_AUDIO_SAMPLE_FREQUENCY_192000, | |
193 | }; | |
194 | ||
195 | enum hdmi_audio_coding_type_ext { | |
196 | HDMI_AUDIO_CODING_TYPE_EXT_STREAM, | |
197 | HDMI_AUDIO_CODING_TYPE_EXT_HE_AAC, | |
198 | HDMI_AUDIO_CODING_TYPE_EXT_HE_AAC_V2, | |
199 | HDMI_AUDIO_CODING_TYPE_EXT_MPEG_SURROUND, | |
200 | }; | |
201 | ||
202 | struct hdmi_audio_infoframe { | |
203 | enum hdmi_infoframe_type type; | |
204 | unsigned char version; | |
205 | unsigned char length; | |
206 | unsigned char channels; | |
207 | enum hdmi_audio_coding_type coding_type; | |
208 | enum hdmi_audio_sample_size sample_size; | |
209 | enum hdmi_audio_sample_frequency sample_frequency; | |
210 | enum hdmi_audio_coding_type_ext coding_type_ext; | |
211 | unsigned char channel_allocation; | |
212 | unsigned char level_shift_value; | |
213 | bool downmix_inhibit; | |
214 | ||
215 | }; | |
216 | ||
217 | int hdmi_audio_infoframe_init(struct hdmi_audio_infoframe *frame); | |
218 | ssize_t hdmi_audio_infoframe_pack(struct hdmi_audio_infoframe *frame, | |
219 | void *buffer, size_t size); | |
220 | ||
221 | struct hdmi_vendor_infoframe { | |
222 | enum hdmi_infoframe_type type; | |
223 | unsigned char version; | |
224 | unsigned char length; | |
225 | u8 data[27]; | |
226 | }; | |
227 | ||
228 | ssize_t hdmi_vendor_infoframe_pack(struct hdmi_vendor_infoframe *frame, | |
229 | void *buffer, size_t size); | |
230 | ||
231 | #endif /* _DRM_HDMI_H */ |