Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
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
14enum 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
26enum hdmi_colorspace {
27 HDMI_COLORSPACE_RGB,
28 HDMI_COLORSPACE_YUV422,
29 HDMI_COLORSPACE_YUV444,
30};
31
32enum hdmi_scan_mode {
33 HDMI_SCAN_MODE_NONE,
34 HDMI_SCAN_MODE_OVERSCAN,
35 HDMI_SCAN_MODE_UNDERSCAN,
36};
37
38enum hdmi_colorimetry {
39 HDMI_COLORIMETRY_NONE,
40 HDMI_COLORIMETRY_ITU_601,
41 HDMI_COLORIMETRY_ITU_709,
42 HDMI_COLORIMETRY_EXTENDED,
43};
44
45enum hdmi_picture_aspect {
46 HDMI_PICTURE_ASPECT_NONE,
47 HDMI_PICTURE_ASPECT_4_3,
48 HDMI_PICTURE_ASPECT_16_9,
49};
50
51enum 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
64enum 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
72enum 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 */
79enum hdmi_nups {
80 HDMI_NUPS_UNKNOWN,
81 HDMI_NUPS_HORIZONTAL,
82 HDMI_NUPS_VERTICAL,
83 HDMI_NUPS_BOTH,
84};
85
86enum hdmi_ycc_quantization_range {
87 HDMI_YCC_QUANTIZATION_RANGE_LIMITED,
88 HDMI_YCC_QUANTIZATION_RANGE_FULL,
89};
90
91enum 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
98struct 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
124int hdmi_avi_infoframe_init(struct hdmi_avi_infoframe *frame);
125ssize_t hdmi_avi_infoframe_pack(struct hdmi_avi_infoframe *frame, void *buffer,
126 size_t size);
127
128enum 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
145struct 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
154int hdmi_spd_infoframe_init(struct hdmi_spd_infoframe *frame,
155 const char *vendor, const char *product);
156ssize_t hdmi_spd_infoframe_pack(struct hdmi_spd_infoframe *frame, void *buffer,
157 size_t size);
158
159enum 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
177enum 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
184enum 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
195enum 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
202struct 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
217int hdmi_audio_infoframe_init(struct hdmi_audio_infoframe *frame);
218ssize_t hdmi_audio_infoframe_pack(struct hdmi_audio_infoframe *frame,
219 void *buffer, size_t size);
220
221struct hdmi_vendor_infoframe {
222 enum hdmi_infoframe_type type;
223 unsigned char version;
224 unsigned char length;
225 u8 data[27];
226};
227
228ssize_t hdmi_vendor_infoframe_pack(struct hdmi_vendor_infoframe *frame,
229 void *buffer, size_t size);
230
231#endif /* _DRM_HDMI_H */