1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
|
/* $NetBSD: edidreg.h,v 1.3 2011/03/30 18:49:56 jdc Exp $ */
/* $FreeBSD$ */
/*-
* Copyright (c) 2006 Itronix Inc.
* All rights reserved.
*
* Written by Garrett D'Amore for Itronix Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of Itronix Inc. may not be used to endorse
* or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY ITRONIX INC. ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL ITRONIX INC. BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _DEV_VIDEOMODE_EDIDREG_H
#define _DEV_VIDEOMODE_EDIDREG_H
#define EDID_OFFSET_SIGNATURE 0x00
#define EDID_OFFSET_MANUFACTURER_ID 0x08
#define EDID_OFFSET_PRODUCT_ID 0x0a
#define EDID_OFFSET_SERIAL_NUMBER 0x0c
#define EDID_OFFSET_MANUFACTURE_WEEK 0x10
#define EDID_OFFSET_MANUFACTURE_YEAR 0x11
#define EDID_OFFSET_VERSION 0x12
#define EDID_OFFSET_REVISION 0x13
#define EDID_OFFSET_VIDEO_INPUT 0x14
#define EDID_OFFSET_MAX_HSIZE 0x15 /* in cm */
#define EDID_OFFSET_MAX_VSIZE 0x16
#define EDID_OFFSET_GAMMA 0x17
#define EDID_OFFSET_FEATURE 0x18
#define EDID_OFFSET_CHROMA 0x19
#define EDID_OFFSET_EST_TIMING_1 0x23
#define EDID_OFFSET_EST_TIMING_2 0x24
#define EDID_OFFSET_MFG_TIMING 0x25
#define EDID_OFFSET_STD_TIMING 0x26
#define EDID_OFFSET_DESC_BLOCK 0x36
#define EDID_SIGNATURE { 0, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0 }
/* assume x is 16-bit value */
#define EDID_VENDOR_ID(ptr) ((((ptr)[8]) << 8) + ptr[9])
#define EDID_MANFID_0(x) ((((x) >> 10) & 0x1f) + '@')
#define EDID_MANFID_1(x) ((((x) >> 5) & 0x1f) + '@')
#define EDID_MANFID_2(x) ((((x) >> 0) & 0x1f) + '@')
/* relative to edid block */
#define EDID_PRODUCT_ID(ptr) (((ptr)[10]) | (((ptr)[11]) << 8))
#define EDID_SERIAL_NUMBER(ptr) (((ptr)[12] << 24) + \
((ptr)[13] << 16) + \
((ptr)[14] << 8) + \
(ptr)[15])
/* relative to edid block */
#define EDID_WEEK(ptr) ((ptr)[16])
#define EDID_YEAR(ptr) (((ptr)[17]) + 1990)
#define EDID_VERSION(ptr) ((ptr)[18])
#define EDID_REVISION(ptr) ((ptr)[19])
#define EDID_VIDEO_INPUT(ptr) ((ptr)[20])
#define EDID_VIDEO_INPUT_DIGITAL 0x80
/* if INPUT_BIT_DIGITAL set */
#define EDID_VIDEO_INPUT_DFP1_COMPAT 0x01
/* if INPUT_BIT_DIGITAL not set */
#define EDID_VIDEO_INPUT_BLANK_TO_BLACK 0x10
#define EDID_VIDEO_INPUT_SEPARATE_SYNCS 0x08
#define EDID_VIDEO_INPUT_COMPOSITE_SYNC 0x04
#define EDID_VIDEO_INPUT_SYNC_ON_GRN 0x02
#define EDID_VIDEO_INPUT_SERRATION 0x01
#define EDID_VIDEO_INPUT_LEVEL(x) (((x) & 0x60) >> 5)
/* meanings of level bits are as follows, I don't know names */
/* 0 = 0.7,0.3, 1 = 0.714,0.286, 2 = 1.0,0.4, 3 = 0.7,0.0 */
/* relative to edid block */
#define EDID_MAX_HSIZE(ptr) ((ptr)[21]) /* cm */
#define EDID_MAX_VSIZE(ptr) ((ptr)[22]) /* cm */
/* gamma is scaled by 100 (avoid fp), e.g. 213 == 2.13 */
#define _GAMMA(x) ((x) == 0xff ? 100 : ((x) + 100))
#define EDID_GAMMA(ptr) _GAMMA(ptr[23])
#define EDID_FEATURES(ptr) ((ptr)[24])
#define EDID_FEATURES_STANDBY 0x80
#define EDID_FEATURES_SUSPEND 0x40
#define EDID_FEATURES_ACTIVE_OFF 0x20
#define EDID_FEATURES_DISP_TYPE(x) (((x) & 0x18) >> 3)
#define EDID_FEATURES_DISP_TYPE_MONO 0
#define EDID_FEATURES_DISP_TYPE_RGB 1
#define EDID_FEATURES_DISP_TYPE_NON_RGB 2
#define EDID_FEATURES_DISP_TYPE_UNDEFINED 3
#define EDID_FEATURES_STD_COLOR 0x04
#define EDID_FEATURES_PREFERRED_TIMING 0x02
#define EDID_FEATURES_DEFAULT_GTF 0x01
/* chroma values 0.0 - 0.999 scaled as 0-999 */
#define _CHLO(byt, shft) (((byt) >> (shft)) & 0x3)
#define _CHHI(byt) ((byt) << 2)
#define _CHHILO(ptr, l, s, h) (_CHLO((ptr)[l], s) | _CHHI((ptr)[h]))
#define _CHROMA(ptr, l, s, h) ((_CHHILO(ptr, l, s, h) * 1000) / 1024)
#define EDID_CHROMA_REDX(ptr) (_CHROMA(ptr, 25, 6, 27))
#define EDID_CHROMA_REDY(ptr) (_CHROMA(ptr, 25, 4, 28))
#define EDID_CHROMA_GREENX(ptr) (_CHROMA(ptr, 25, 2, 29))
#define EDID_CHROMA_GREENY(ptr) (_CHROMA(ptr, 25, 0, 30))
#define EDID_CHROMA_BLUEX(ptr) (_CHROMA(ptr, 26, 6, 31))
#define EDID_CHROMA_BLUEY(ptr) (_CHROMA(ptr, 26, 4, 32))
#define EDID_CHROMA_WHITEX(ptr) (_CHROMA(ptr, 26, 2, 33))
#define EDID_CHROMA_WHITEY(ptr) (_CHROMA(ptr, 26, 0, 34))
/* relative to edid block */
#define EDID_EST_TIMING(ptr) (((ptr)[35] << 8) | (ptr)[36])
#define EDID_EST_TIMING_720_400_70 0x8000 /* 720x400 @ 70Hz */
#define EDID_EST_TIMING_720_400_88 0x4000 /* 720x400 @ 88Hz */
#define EDID_EST_TIMING_640_480_60 0x2000 /* 640x480 @ 60Hz */
#define EDID_EST_TIMING_640_480_67 0x1000 /* 640x480 @ 67Hz */
#define EDID_EST_TIMING_640_480_72 0x0800 /* 640x480 @ 72Hz */
#define EDID_EST_TIMING_640_480_75 0x0400 /* 640x480 @ 75Hz */
#define EDID_EST_TIMING_800_600_56 0x0200 /* 800x600 @ 56Hz */
#define EDID_EST_TIMING_800_600_60 0x0100 /* 800x600 @ 60Hz */
#define EDID_EST_TIMING_800_600_72 0x0080 /* 800x600 @ 72Hz */
#define EDID_EST_TIMING_800_600_75 0x0040 /* 800x600 @ 75Hz */
#define EDID_EST_TIMING_832_624_75 0x0020 /* 832x624 @ 75Hz */
#define EDID_EST_TIMING_1024_768_87I 0x0010 /* 1024x768i @ 87Hz */
#define EDID_EST_TIMING_1024_768_60 0x0008 /* 1024x768 @ 60Hz */
#define EDID_EST_TIMING_1024_768_70 0x0004 /* 1024x768 @ 70Hz */
#define EDID_EST_TIMING_1024_768_75 0x0002 /* 1024x768 @ 75Hz */
#define EDID_EST_TIMING_1280_1024_75 0x0001 /* 1280x1024 @ 75Hz */
/*
* N.B.: ptr is relative to standard timing block - used for standard timing
* descriptors as well as standard timings section of edid!
*/
#define EDID_STD_TIMING_HRES(ptr) ((((ptr)[0]) * 8) + 248)
#define EDID_STD_TIMING_VFREQ(ptr) ((((ptr)[1]) & 0x3f) + 60)
#define EDID_STD_TIMING_RATIO(ptr) ((ptr)[1] & 0xc0)
#define EDID_STD_TIMING_RATIO_16_10 0x00
#define EDID_STD_TIMING_RATIO_4_3 0x40
#define EDID_STD_TIMING_RATIO_5_4 0x80
#define EDID_STD_TIMING_RATIO_16_9 0xc0
#define EDID_STD_TIMING_SIZE 16
#define EDID_STD_TIMING_COUNT 8
/*
* N.B.: ptr is relative to descriptor block start
*/
#define EDID_BLOCK_SIZE 18
#define EDID_BLOCK_COUNT 4
/* detailed timing block.... what a mess */
#define EDID_BLOCK_IS_DET_TIMING(ptr) ((ptr)[0] | (ptr)[1])
#define EDID_DET_TIMING_DOT_CLOCK(ptr) (((ptr)[0] | ((ptr)[1] << 8)) * 10000)
#define _HACT_LO(ptr) ((ptr)[2])
#define _HBLK_LO(ptr) ((ptr)[3])
#define _HACT_HI(ptr) (((ptr)[4] & 0xf0) << 4)
#define _HBLK_HI(ptr) (((ptr)[4] & 0x0f) << 8)
#define EDID_DET_TIMING_HACTIVE(ptr) (_HACT_LO(ptr) | _HACT_HI(ptr))
#define EDID_DET_TIMING_HBLANK(ptr) (_HBLK_LO(ptr) | _HBLK_HI(ptr))
#define _VACT_LO(ptr) ((ptr)[5])
#define _VBLK_LO(ptr) ((ptr)[6])
#define _VACT_HI(ptr) (((ptr)[7] & 0xf0) << 4)
#define _VBLK_HI(ptr) (((ptr)[7] & 0x0f) << 8)
#define EDID_DET_TIMING_VACTIVE(ptr) (_VACT_LO(ptr) | _VACT_HI(ptr))
#define EDID_DET_TIMING_VBLANK(ptr) (_VBLK_LO(ptr) | _VBLK_HI(ptr))
#define _HOFF_LO(ptr) ((ptr)[8])
#define _HWID_LO(ptr) ((ptr)[9])
#define _VOFF_LO(ptr) ((ptr)[10] >> 4)
#define _VWID_LO(ptr) ((ptr)[10] & 0xf)
#define _HOFF_HI(ptr) (((ptr)[11] & 0xc0) << 2)
#define _HWID_HI(ptr) (((ptr)[11] & 0x30) << 4)
#define _VOFF_HI(ptr) (((ptr)[11] & 0x0c) << 2)
#define _VWID_HI(ptr) (((ptr)[11] & 0x03) << 4)
#define EDID_DET_TIMING_HSYNC_OFFSET(ptr) (_HOFF_LO(ptr) | _HOFF_HI(ptr))
#define EDID_DET_TIMING_HSYNC_WIDTH(ptr) (_HWID_LO(ptr) | _HWID_HI(ptr))
#define EDID_DET_TIMING_VSYNC_OFFSET(ptr) (_VOFF_LO(ptr) | _VOFF_HI(ptr))
#define EDID_DET_TIMING_VSYNC_WIDTH(ptr) (_VWID_LO(ptr) | _VWID_HI(ptr))
#define _HSZ_LO(ptr) ((ptr)[12])
#define _VSZ_LO(ptr) ((ptr)[13])
#define _HSZ_HI(ptr) (((ptr)[14] & 0xf0) << 4)
#define _VSZ_HI(ptr) (((ptr)[14] & 0x0f) << 8)
#define EDID_DET_TIMING_HSIZE(ptr) (_HSZ_LO(ptr) | _HSZ_HI(ptr))
#define EDID_DET_TIMING_VSIZE(ptr) (_VSZ_LO(ptr) | _VSZ_HI(ptr))
#define EDID_DET_TIMING_HBORDER(ptr) ((ptr)[15])
#define EDID_DET_TIMING_VBORDER(ptr) ((ptr)[16])
#define EDID_DET_TIMING_FLAGS(ptr) ((ptr)[17])
#define EDID_DET_TIMING_FLAG_INTERLACE 0x80
#define EDID_DET_TIMING_FLAG_STEREO 0x60 /* stereo or not */
#define EDID_DET_TIMING_FLAG_SYNC_SEPARATE 0x18
#define EDID_DET_TIMING_FLAG_VSYNC_POSITIVE 0x04
#define EDID_DET_TIMING_FLAG_HSYNC_POSITIVE 0x02
#define EDID_DET_TIMING_FLAG_STEREO_MODE 0x01 /* stereo mode */
/* N.B.: these tests assume that we already checked for detailed timing! */
#define EDID_BLOCK_TYPE(ptr) ((ptr)[3])
#define EDID_DESC_BLOCK_SIZE 18
#define EDID_DESC_BLOCK_TYPE_SERIAL 0xFF
#define EDID_DESC_BLOCK_TYPE_ASCII 0xFE
#define EDID_DESC_BLOCK_TYPE_RANGE 0xFD
#define EDID_DESC_BLOCK_TYPE_NAME 0xFC
#define EDID_DESC_BLOCK_TYPE_COLOR_POINT 0xFB
#define EDID_DESC_BLOCK_TYPE_STD_TIMING 0xFA
/* used for descriptors 0xFF, 0xFE, and 0xFC */
#define EDID_DESC_ASCII_DATA_OFFSET 5
#define EDID_DESC_ASCII_DATA_LEN 13
#define EDID_DESC_RANGE_MIN_VFREQ(ptr) ((ptr)[5]) /* Hz */
#define EDID_DESC_RANGE_MAX_VFREQ(ptr) ((ptr)[6]) /* Hz */
#define EDID_DESC_RANGE_MIN_HFREQ(ptr) ((ptr)[7]) /* kHz */
#define EDID_DESC_RANGE_MAX_HFREQ(ptr) ((ptr)[8]) /* kHz */
#define EDID_DESC_RANGE_MAX_CLOCK(ptr) (((ptr)[9]) * 10) /* MHz */
#define EDID_DESC_RANGE_HAVE_GTF2(ptr) (((ptr)[10]) == 0x02)
#define EDID_DESC_RANGE_GTF2_HFREQ(ptr) (((ptr)[12]) * 2)
#define EDID_DESC_RANGE_GTF2_C(ptr) (((ptr)[13]) / 2)
#define EDID_DESC_RANGE_GTF2_M(ptr) ((ptr)[14] + ((ptr)[15] << 8))
#define EDID_DESC_RANGE_GTF2_K(ptr) ((ptr)[16])
#define EDID_DESC_RANGE_GTF2_J(ptr) ((ptr)[17] / 2)
#define EDID_DESC_COLOR_WHITEX(ptr)
#define EDID_DESC_COLOR_WHITE_INDEX_1(ptr) ((ptr)[5])
#define EDID_DESC_COLOR_WHITEX_1(ptr) _CHROMA(ptr, 6, 2, 7)
#define EDID_DESC_COLOR_WHITEY_1(ptr) _CHROMA(ptr, 6, 0, 8)
#define EDID_DESC_COLOR_GAMMA_1(ptr) _GAMMA(ptr[9])
#define EDID_DESC_COLOR_WHITE_INDEX_2(ptr) ((ptr)[10])
#define EDID_DESC_COLOR_WHITEX_2(ptr) _CHROMA(ptr, 11, 2, 12)
#define EDID_DESC_COLOR_WHITEY_2(ptr) _CHROMA(ptr, 11, 0, 13)
#define EDID_DESC_COLOR_GAMMA_2(ptr) _GAMMA(ptr[14])
#define EDID_DESC_STD_TIMING_START 5
#define EDID_DESC_STD_TIMING_COUNT 6
#define EDID_EXT_BLOCK_COUNT(ptr) ((ptr)[126])
#endif /* _DEV_VIDEOMODE_EDIDREG_H */
|
