/* $NetBSD: edidreg.h,v 1.4 2014/11/17 00:46:04 jmcneill Exp $ */ /*- * 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 */