1 | /* $NetBSD: edidreg.h,v 1.4 2014/11/17 00:46:04 jmcneill Exp $ */ |
2 | |
3 | /*- |
4 | * Copyright (c) 2006 Itronix Inc. |
5 | * All rights reserved. |
6 | * |
7 | * Written by Garrett D'Amore for Itronix Inc. |
8 | * |
9 | * Redistribution and use in source and binary forms, with or without |
10 | * modification, are permitted provided that the following conditions |
11 | * are met: |
12 | * 1. Redistributions of source code must retain the above copyright |
13 | * notice, this list of conditions and the following disclaimer. |
14 | * 2. Redistributions in binary form must reproduce the above copyright |
15 | * notice, this list of conditions and the following disclaimer in the |
16 | * documentation and/or other materials provided with the distribution. |
17 | * 3. The name of Itronix Inc. may not be used to endorse |
18 | * or promote products derived from this software without specific |
19 | * prior written permission. |
20 | * |
21 | * THIS SOFTWARE IS PROVIDED BY ITRONIX INC. ``AS IS'' AND ANY EXPRESS |
22 | * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
23 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
24 | * ARE DISCLAIMED. IN NO EVENT SHALL ITRONIX INC. BE LIABLE FOR ANY |
25 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE |
27 | * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
28 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
29 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
30 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
31 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
32 | */ |
33 | |
34 | #ifndef _DEV_VIDEOMODE_EDIDREG_H |
35 | #define _DEV_VIDEOMODE_EDIDREG_H |
36 | |
37 | #define EDID_OFFSET_SIGNATURE 0x00 |
38 | #define EDID_OFFSET_MANUFACTURER_ID 0x08 |
39 | #define EDID_OFFSET_PRODUCT_ID 0x0a |
40 | #define EDID_OFFSET_SERIAL_NUMBER 0x0c |
41 | #define EDID_OFFSET_MANUFACTURE_WEEK 0x10 |
42 | #define EDID_OFFSET_MANUFACTURE_YEAR 0x11 |
43 | #define EDID_OFFSET_VERSION 0x12 |
44 | #define EDID_OFFSET_REVISION 0x13 |
45 | #define EDID_OFFSET_VIDEO_INPUT 0x14 |
46 | #define EDID_OFFSET_MAX_HSIZE 0x15 /* in cm */ |
47 | #define EDID_OFFSET_MAX_VSIZE 0x16 |
48 | #define EDID_OFFSET_GAMMA 0x17 |
49 | #define EDID_OFFSET_FEATURE 0x18 |
50 | #define EDID_OFFSET_CHROMA 0x19 |
51 | #define EDID_OFFSET_EST_TIMING_1 0x23 |
52 | #define EDID_OFFSET_EST_TIMING_2 0x24 |
53 | #define EDID_OFFSET_MFG_TIMING 0x25 |
54 | #define EDID_OFFSET_STD_TIMING 0x26 |
55 | #define EDID_OFFSET_DESC_BLOCK 0x36 |
56 | |
57 | #define EDID_SIGNATURE { 0, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0 } |
58 | |
59 | /* assume x is 16-bit value */ |
60 | #define EDID_VENDOR_ID(ptr) ((((ptr)[8]) << 8) + ptr[9]) |
61 | #define EDID_MANFID_0(x) ((((x) >> 10) & 0x1f) + '@') |
62 | #define EDID_MANFID_1(x) ((((x) >> 5) & 0x1f) + '@') |
63 | #define EDID_MANFID_2(x) ((((x) >> 0) & 0x1f) + '@') |
64 | |
65 | /* relative to edid block */ |
66 | #define EDID_PRODUCT_ID(ptr) (((ptr)[10]) | (((ptr)[11]) << 8)) |
67 | #define EDID_SERIAL_NUMBER(ptr) (((ptr)[12] << 24) + \ |
68 | ((ptr)[13] << 16) + \ |
69 | ((ptr)[14] << 8) + \ |
70 | (ptr)[15]) |
71 | |
72 | /* relative to edid block */ |
73 | #define EDID_WEEK(ptr) ((ptr)[16]) |
74 | #define EDID_YEAR(ptr) (((ptr)[17]) + 1990) |
75 | |
76 | #define EDID_VERSION(ptr) ((ptr)[18]) |
77 | #define EDID_REVISION(ptr) ((ptr)[19]) |
78 | |
79 | #define EDID_VIDEO_INPUT(ptr) ((ptr)[20]) |
80 | #define EDID_VIDEO_INPUT_DIGITAL 0x80 |
81 | /* if INPUT_BIT_DIGITAL set */ |
82 | #define EDID_VIDEO_INPUT_DFP1_COMPAT 0x01 |
83 | /* if INPUT_BIT_DIGITAL not set */ |
84 | #define EDID_VIDEO_INPUT_BLANK_TO_BLACK 0x10 |
85 | #define EDID_VIDEO_INPUT_SEPARATE_SYNCS 0x08 |
86 | #define EDID_VIDEO_INPUT_COMPOSITE_SYNC 0x04 |
87 | #define EDID_VIDEO_INPUT_SYNC_ON_GRN 0x02 |
88 | #define EDID_VIDEO_INPUT_SERRATION 0x01 |
89 | #define EDID_VIDEO_INPUT_LEVEL(x) (((x) & 0x60) >> 5) |
90 | /* meanings of level bits are as follows, I don't know names */ |
91 | /* 0 = 0.7,0.3, 1 = 0.714,0.286, 2 = 1.0,0.4, 3 = 0.7,0.0 */ |
92 | |
93 | /* relative to edid block */ |
94 | #define EDID_MAX_HSIZE(ptr) ((ptr)[21]) /* cm */ |
95 | #define EDID_MAX_VSIZE(ptr) ((ptr)[22]) /* cm */ |
96 | /* gamma is scaled by 100 (avoid fp), e.g. 213 == 2.13 */ |
97 | #define _GAMMA(x) ((x) == 0xff ? 100 : ((x) + 100)) |
98 | #define EDID_GAMMA(ptr) _GAMMA(ptr[23]) |
99 | |
100 | #define EDID_FEATURES(ptr) ((ptr)[24]) |
101 | #define EDID_FEATURES_STANDBY 0x80 |
102 | #define EDID_FEATURES_SUSPEND 0x40 |
103 | #define EDID_FEATURES_ACTIVE_OFF 0x20 |
104 | #define EDID_FEATURES_DISP_TYPE(x) (((x) & 0x18) >> 3) |
105 | #define EDID_FEATURES_DISP_TYPE_MONO 0 |
106 | #define EDID_FEATURES_DISP_TYPE_RGB 1 |
107 | #define EDID_FEATURES_DISP_TYPE_NON_RGB 2 |
108 | #define EDID_FEATURES_DISP_TYPE_UNDEFINED 3 |
109 | #define EDID_FEATURES_STD_COLOR 0x04 |
110 | #define EDID_FEATURES_PREFERRED_TIMING 0x02 |
111 | #define EDID_FEATURES_DEFAULT_GTF 0x01 |
112 | |
113 | /* chroma values 0.0 - 0.999 scaled as 0-999 */ |
114 | #define _CHLO(byt, shft) (((byt) >> (shft)) & 0x3) |
115 | #define _CHHI(byt) ((byt) << 2) |
116 | #define _CHHILO(ptr, l, s, h) (_CHLO((ptr)[l], s) | _CHHI((ptr)[h])) |
117 | #define _CHROMA(ptr, l, s, h) ((_CHHILO(ptr, l, s, h) * 1000) / 1024) |
118 | |
119 | #define EDID_CHROMA_REDX(ptr) (_CHROMA(ptr, 25, 6, 27)) |
120 | #define EDID_CHROMA_REDY(ptr) (_CHROMA(ptr, 25, 4, 28)) |
121 | #define EDID_CHROMA_GREENX(ptr) (_CHROMA(ptr, 25, 2, 29)) |
122 | #define EDID_CHROMA_GREENY(ptr) (_CHROMA(ptr, 25, 0, 30)) |
123 | #define EDID_CHROMA_BLUEX(ptr) (_CHROMA(ptr, 26, 6, 31)) |
124 | #define EDID_CHROMA_BLUEY(ptr) (_CHROMA(ptr, 26, 4, 32)) |
125 | #define EDID_CHROMA_WHITEX(ptr) (_CHROMA(ptr, 26, 2, 33)) |
126 | #define EDID_CHROMA_WHITEY(ptr) (_CHROMA(ptr, 26, 0, 34)) |
127 | |
128 | /* relative to edid block */ |
129 | #define EDID_EST_TIMING(ptr) (((ptr)[35] << 8) | (ptr)[36]) |
130 | #define EDID_EST_TIMING_720_400_70 0x8000 /* 720x400 @ 70Hz */ |
131 | #define EDID_EST_TIMING_720_400_88 0x4000 /* 720x400 @ 88Hz */ |
132 | #define EDID_EST_TIMING_640_480_60 0x2000 /* 640x480 @ 60Hz */ |
133 | #define EDID_EST_TIMING_640_480_67 0x1000 /* 640x480 @ 67Hz */ |
134 | #define EDID_EST_TIMING_640_480_72 0x0800 /* 640x480 @ 72Hz */ |
135 | #define EDID_EST_TIMING_640_480_75 0x0400 /* 640x480 @ 75Hz */ |
136 | #define EDID_EST_TIMING_800_600_56 0x0200 /* 800x600 @ 56Hz */ |
137 | #define EDID_EST_TIMING_800_600_60 0x0100 /* 800x600 @ 60Hz */ |
138 | #define EDID_EST_TIMING_800_600_72 0x0080 /* 800x600 @ 72Hz */ |
139 | #define EDID_EST_TIMING_800_600_75 0x0040 /* 800x600 @ 75Hz */ |
140 | #define EDID_EST_TIMING_832_624_75 0x0020 /* 832x624 @ 75Hz */ |
141 | #define EDID_EST_TIMING_1024_768_87I 0x0010 /* 1024x768i @ 87Hz */ |
142 | #define EDID_EST_TIMING_1024_768_60 0x0008 /* 1024x768 @ 60Hz */ |
143 | #define EDID_EST_TIMING_1024_768_70 0x0004 /* 1024x768 @ 70Hz */ |
144 | #define EDID_EST_TIMING_1024_768_75 0x0002 /* 1024x768 @ 75Hz */ |
145 | #define EDID_EST_TIMING_1280_1024_75 0x0001 /* 1280x1024 @ 75Hz */ |
146 | |
147 | /* |
148 | * N.B.: ptr is relative to standard timing block - used for standard timing |
149 | * descriptors as well as standard timings section of edid! |
150 | */ |
151 | #define EDID_STD_TIMING_HRES(ptr) ((((ptr)[0]) * 8) + 248) |
152 | #define EDID_STD_TIMING_VFREQ(ptr) ((((ptr)[1]) & 0x3f) + 60) |
153 | #define EDID_STD_TIMING_RATIO(ptr) ((ptr)[1] & 0xc0) |
154 | #define EDID_STD_TIMING_RATIO_16_10 0x00 |
155 | #define EDID_STD_TIMING_RATIO_4_3 0x40 |
156 | #define EDID_STD_TIMING_RATIO_5_4 0x80 |
157 | #define EDID_STD_TIMING_RATIO_16_9 0xc0 |
158 | |
159 | #define EDID_STD_TIMING_SIZE 16 |
160 | #define EDID_STD_TIMING_COUNT 8 |
161 | |
162 | /* |
163 | * N.B.: ptr is relative to descriptor block start |
164 | */ |
165 | #define EDID_BLOCK_SIZE 18 |
166 | #define EDID_BLOCK_COUNT 4 |
167 | |
168 | /* detailed timing block.... what a mess */ |
169 | #define EDID_BLOCK_IS_DET_TIMING(ptr) ((ptr)[0] | (ptr)[1]) |
170 | |
171 | #define EDID_DET_TIMING_DOT_CLOCK(ptr) (((ptr)[0] | ((ptr)[1] << 8)) * 10000) |
172 | #define _HACT_LO(ptr) ((ptr)[2]) |
173 | #define _HBLK_LO(ptr) ((ptr)[3]) |
174 | #define _HACT_HI(ptr) (((ptr)[4] & 0xf0) << 4) |
175 | #define _HBLK_HI(ptr) (((ptr)[4] & 0x0f) << 8) |
176 | #define EDID_DET_TIMING_HACTIVE(ptr) (_HACT_LO(ptr) | _HACT_HI(ptr)) |
177 | #define EDID_DET_TIMING_HBLANK(ptr) (_HBLK_LO(ptr) | _HBLK_HI(ptr)) |
178 | #define _VACT_LO(ptr) ((ptr)[5]) |
179 | #define _VBLK_LO(ptr) ((ptr)[6]) |
180 | #define _VACT_HI(ptr) (((ptr)[7] & 0xf0) << 4) |
181 | #define _VBLK_HI(ptr) (((ptr)[7] & 0x0f) << 8) |
182 | #define EDID_DET_TIMING_VACTIVE(ptr) (_VACT_LO(ptr) | _VACT_HI(ptr)) |
183 | #define EDID_DET_TIMING_VBLANK(ptr) (_VBLK_LO(ptr) | _VBLK_HI(ptr)) |
184 | #define _HOFF_LO(ptr) ((ptr)[8]) |
185 | #define _HWID_LO(ptr) ((ptr)[9]) |
186 | #define _VOFF_LO(ptr) ((ptr)[10] >> 4) |
187 | #define _VWID_LO(ptr) ((ptr)[10] & 0xf) |
188 | #define _HOFF_HI(ptr) (((ptr)[11] & 0xc0) << 2) |
189 | #define _HWID_HI(ptr) (((ptr)[11] & 0x30) << 4) |
190 | #define _VOFF_HI(ptr) (((ptr)[11] & 0x0c) << 2) |
191 | #define _VWID_HI(ptr) (((ptr)[11] & 0x03) << 4) |
192 | #define EDID_DET_TIMING_HSYNC_OFFSET(ptr) (_HOFF_LO(ptr) | _HOFF_HI(ptr)) |
193 | #define EDID_DET_TIMING_HSYNC_WIDTH(ptr) (_HWID_LO(ptr) | _HWID_HI(ptr)) |
194 | #define EDID_DET_TIMING_VSYNC_OFFSET(ptr) (_VOFF_LO(ptr) | _VOFF_HI(ptr)) |
195 | #define EDID_DET_TIMING_VSYNC_WIDTH(ptr) (_VWID_LO(ptr) | _VWID_HI(ptr)) |
196 | #define _HSZ_LO(ptr) ((ptr)[12]) |
197 | #define _VSZ_LO(ptr) ((ptr)[13]) |
198 | #define _HSZ_HI(ptr) (((ptr)[14] & 0xf0) << 4) |
199 | #define _VSZ_HI(ptr) (((ptr)[14] & 0x0f) << 8) |
200 | #define EDID_DET_TIMING_HSIZE(ptr) (_HSZ_LO(ptr) | _HSZ_HI(ptr)) |
201 | #define EDID_DET_TIMING_VSIZE(ptr) (_VSZ_LO(ptr) | _VSZ_HI(ptr)) |
202 | #define EDID_DET_TIMING_HBORDER(ptr) ((ptr)[15]) |
203 | #define EDID_DET_TIMING_VBORDER(ptr) ((ptr)[16]) |
204 | #define EDID_DET_TIMING_FLAGS(ptr) ((ptr)[17]) |
205 | #define EDID_DET_TIMING_FLAG_INTERLACE 0x80 |
206 | #define EDID_DET_TIMING_FLAG_STEREO 0x60 /* stereo or not */ |
207 | #define EDID_DET_TIMING_FLAG_SYNC_SEPARATE 0x18 |
208 | #define EDID_DET_TIMING_FLAG_VSYNC_POSITIVE 0x04 |
209 | #define EDID_DET_TIMING_FLAG_HSYNC_POSITIVE 0x02 |
210 | #define EDID_DET_TIMING_FLAG_STEREO_MODE 0x01 /* stereo mode */ |
211 | |
212 | |
213 | /* N.B.: these tests assume that we already checked for detailed timing! */ |
214 | #define EDID_BLOCK_TYPE(ptr) ((ptr)[3]) |
215 | |
216 | #define EDID_DESC_BLOCK_SIZE 18 |
217 | #define EDID_DESC_BLOCK_TYPE_SERIAL 0xFF |
218 | #define EDID_DESC_BLOCK_TYPE_ASCII 0xFE |
219 | #define EDID_DESC_BLOCK_TYPE_RANGE 0xFD |
220 | #define EDID_DESC_BLOCK_TYPE_NAME 0xFC |
221 | #define EDID_DESC_BLOCK_TYPE_COLOR_POINT 0xFB |
222 | #define EDID_DESC_BLOCK_TYPE_STD_TIMING 0xFA |
223 | |
224 | /* used for descriptors 0xFF, 0xFE, and 0xFC */ |
225 | #define EDID_DESC_ASCII_DATA_OFFSET 5 |
226 | #define EDID_DESC_ASCII_DATA_LEN 13 |
227 | |
228 | #define EDID_DESC_RANGE_MIN_VFREQ(ptr) ((ptr)[5]) /* Hz */ |
229 | #define EDID_DESC_RANGE_MAX_VFREQ(ptr) ((ptr)[6]) /* Hz */ |
230 | #define EDID_DESC_RANGE_MIN_HFREQ(ptr) ((ptr)[7]) /* kHz */ |
231 | #define EDID_DESC_RANGE_MAX_HFREQ(ptr) ((ptr)[8]) /* kHz */ |
232 | #define EDID_DESC_RANGE_MAX_CLOCK(ptr) (((ptr)[9]) * 10) /* MHz */ |
233 | #define EDID_DESC_RANGE_HAVE_GTF2(ptr) (((ptr)[10]) == 0x02) |
234 | #define EDID_DESC_RANGE_GTF2_HFREQ(ptr) (((ptr)[12]) * 2) |
235 | #define EDID_DESC_RANGE_GTF2_C(ptr) (((ptr)[13]) / 2) |
236 | #define EDID_DESC_RANGE_GTF2_M(ptr) ((ptr)[14] + ((ptr)[15] << 8)) |
237 | #define EDID_DESC_RANGE_GTF2_K(ptr) ((ptr)[16]) |
238 | #define EDID_DESC_RANGE_GTF2_J(ptr) ((ptr)[17] / 2) |
239 | |
240 | #define EDID_DESC_COLOR_WHITEX(ptr) |
241 | #define EDID_DESC_COLOR_WHITE_INDEX_1(ptr) ((ptr)[5]) |
242 | #define EDID_DESC_COLOR_WHITEX_1(ptr) _CHROMA(ptr, 6, 2, 7) |
243 | #define EDID_DESC_COLOR_WHITEY_1(ptr) _CHROMA(ptr, 6, 0, 8) |
244 | #define EDID_DESC_COLOR_GAMMA_1(ptr) _GAMMA(ptr[9]) |
245 | #define EDID_DESC_COLOR_WHITE_INDEX_2(ptr) ((ptr)[10]) |
246 | #define EDID_DESC_COLOR_WHITEX_2(ptr) _CHROMA(ptr, 11, 2, 12) |
247 | #define EDID_DESC_COLOR_WHITEY_2(ptr) _CHROMA(ptr, 11, 0, 13) |
248 | #define EDID_DESC_COLOR_GAMMA_2(ptr) _GAMMA(ptr[14]) |
249 | |
250 | #define EDID_DESC_STD_TIMING_START 5 |
251 | #define EDID_DESC_STD_TIMING_COUNT 6 |
252 | |
253 | #define EDID_EXT_BLOCK_COUNT(ptr) ((ptr)[126]) |
254 | |
255 | #endif /* _DEV_VIDEOMODE_EDIDREG_H */ |
256 | |