diff options
Diffstat (limited to 'target_arm64/usr/include/xorg/edid.h')
| -rw-r--r-- | target_arm64/usr/include/xorg/edid.h | 657 |
1 files changed, 657 insertions, 0 deletions
diff --git a/target_arm64/usr/include/xorg/edid.h b/target_arm64/usr/include/xorg/edid.h new file mode 100644 index 0000000..91565a2 --- /dev/null +++ b/target_arm64/usr/include/xorg/edid.h @@ -0,0 +1,657 @@ +/* + * edid.h: defines to parse an EDID block + * + * This file contains all information to interpret a standard EDIC block + * transmitted by a display device via DDC (Display Data Channel). So far + * there is no information to deal with optional EDID blocks. + * DDC is a Trademark of VESA (Video Electronics Standard Association). + * + * Copyright 1998 by Egbert Eich <Egbert.Eich@Physik.TU-Darmstadt.DE> + */ + +#ifndef _EDID_H_ +#define _EDID_H_ + +#include <X11/Xmd.h> + +#ifndef _X_EXPORT +#include <X11/Xfuncproto.h> +#endif + +/* read complete EDID record */ +#define EDID1_LEN 128 +#define BITS_PER_BYTE 9 +#define NUM BITS_PER_BYTE*EDID1_LEN +#define HEADER 6 + +#define STD_TIMINGS 8 +#define DET_TIMINGS 4 + +#ifdef _PARSE_EDID_ + +/* header: 0x00 0xFF 0xFF 0xFF 0xFF 0xFF 0xFF 0x00 */ +#define HEADER_SECTION 0 +#define HEADER_LENGTH 8 + +/* vendor section */ +#define VENDOR_SECTION (HEADER_SECTION + HEADER_LENGTH) +#define V_MANUFACTURER 0 +#define V_PROD_ID (V_MANUFACTURER + 2) +#define V_SERIAL (V_PROD_ID + 2) +#define V_WEEK (V_SERIAL + 4) +#define V_YEAR (V_WEEK + 1) +#define VENDOR_LENGTH (V_YEAR + 1) + +/* EDID version */ +#define VERSION_SECTION (VENDOR_SECTION + VENDOR_LENGTH) +#define V_VERSION 0 +#define V_REVISION (V_VERSION + 1) +#define VERSION_LENGTH (V_REVISION + 1) + +/* display information */ +#define DISPLAY_SECTION (VERSION_SECTION + VERSION_LENGTH) +#define D_INPUT 0 +#define D_HSIZE (D_INPUT + 1) +#define D_VSIZE (D_HSIZE + 1) +#define D_GAMMA (D_VSIZE + 1) +#define FEAT_S (D_GAMMA + 1) +#define D_RG_LOW (FEAT_S + 1) +#define D_BW_LOW (D_RG_LOW + 1) +#define D_REDX (D_BW_LOW + 1) +#define D_REDY (D_REDX + 1) +#define D_GREENX (D_REDY + 1) +#define D_GREENY (D_GREENX + 1) +#define D_BLUEX (D_GREENY + 1) +#define D_BLUEY (D_BLUEX + 1) +#define D_WHITEX (D_BLUEY + 1) +#define D_WHITEY (D_WHITEX + 1) +#define DISPLAY_LENGTH (D_WHITEY + 1) + +/* supported VESA and other standard timings */ +#define ESTABLISHED_TIMING_SECTION (DISPLAY_SECTION + DISPLAY_LENGTH) +#define E_T1 0 +#define E_T2 (E_T1 + 1) +#define E_TMANU (E_T2 + 1) +#define E_TIMING_LENGTH (E_TMANU + 1) + +/* non predefined standard timings supported by display */ +#define STD_TIMING_SECTION (ESTABLISHED_TIMING_SECTION + E_TIMING_LENGTH) +#define STD_TIMING_INFO_LEN 2 +#define STD_TIMING_INFO_NUM STD_TIMINGS +#define STD_TIMING_LENGTH (STD_TIMING_INFO_LEN * STD_TIMING_INFO_NUM) + +/* detailed timing info of non standard timings */ +#define DET_TIMING_SECTION (STD_TIMING_SECTION + STD_TIMING_LENGTH) +#define DET_TIMING_INFO_LEN 18 +#define MONITOR_DESC_LEN DET_TIMING_INFO_LEN +#define DET_TIMING_INFO_NUM DET_TIMINGS +#define DET_TIMING_LENGTH (DET_TIMING_INFO_LEN * DET_TIMING_INFO_NUM) + +/* number of EDID sections to follow */ +#define NO_EDID (DET_TIMING_SECTION + DET_TIMING_LENGTH) +/* one byte checksum */ +#define CHECKSUM (NO_EDID + 1) + +#if (CHECKSUM != (EDID1_LEN - 1)) +#error "EDID1 length != 128!" +#endif + +#define SECTION(x,y) (Uchar *)(x + y) +#define GET_ARRAY(y) ((Uchar *)(c + y)) +#define GET(y) *(Uchar *)(c + y) + +/* extract information from vendor section */ +#define _PROD_ID(x) x[0] + (x[1] << 8); +#define PROD_ID _PROD_ID(GET_ARRAY(V_PROD_ID)) +#define _SERIAL_NO(x) x[0] + (x[1] << 8) + (x[2] << 16) + (x[3] << 24) +#define SERIAL_NO _SERIAL_NO(GET_ARRAY(V_SERIAL)) +#define _YEAR(x) (x & 0xFF) + 1990 +#define YEAR _YEAR(GET(V_YEAR)) +#define WEEK GET(V_WEEK) & 0xFF +#define _L1(x) ((x[0] & 0x7C) >> 2) + '@' +#define _L2(x) ((x[0] & 0x03) << 3) + ((x[1] & 0xE0) >> 5) + '@' +#define _L3(x) (x[1] & 0x1F) + '@'; +#define L1 _L1(GET_ARRAY(V_MANUFACTURER)) +#define L2 _L2(GET_ARRAY(V_MANUFACTURER)) +#define L3 _L3(GET_ARRAY(V_MANUFACTURER)) + +/* extract information from version section */ +#define VERSION GET(V_VERSION) +#define REVISION GET(V_REVISION) + +/* extract information from display section */ +#define _INPUT_TYPE(x) ((x & 0x80) >> 7) +#define INPUT_TYPE _INPUT_TYPE(GET(D_INPUT)) +#define _INPUT_VOLTAGE(x) ((x & 0x60) >> 5) +#define INPUT_VOLTAGE _INPUT_VOLTAGE(GET(D_INPUT)) +#define _SETUP(x) ((x & 0x10) >> 4) +#define SETUP _SETUP(GET(D_INPUT)) +#define _SYNC(x) (x & 0x0F) +#define SYNC _SYNC(GET(D_INPUT)) +#define _DFP(x) (x & 0x01) +#define DFP _DFP(GET(D_INPUT)) +#define _BPC(x) ((x & 0x70) >> 4) +#define BPC _BPC(GET(D_INPUT)) +#define _DIGITAL_INTERFACE(x) (x & 0x0F) +#define DIGITAL_INTERFACE _DIGITAL_INTERFACE(GET(D_INPUT)) +#define _GAMMA(x) (x == 0xff ? 0.0 : ((x + 100.0)/100.0)) +#define GAMMA _GAMMA(GET(D_GAMMA)) +#define HSIZE_MAX GET(D_HSIZE) +#define VSIZE_MAX GET(D_VSIZE) +#define _DPMS(x) ((x & 0xE0) >> 5) +#define DPMS _DPMS(GET(FEAT_S)) +#define _DISPLAY_TYPE(x) ((x & 0x18) >> 3) +#define DISPLAY_TYPE _DISPLAY_TYPE(GET(FEAT_S)) +#define _MSC(x) (x & 0x7) +#define MSC _MSC(GET(FEAT_S)) + +/* color characteristics */ +#define CC_L(x,y) ((x & (0x03 << y)) >> y) +#define CC_H(x) (x << 2) +#define I_CC(x,y,z) CC_H(y) | CC_L(x,z) +#define F_CC(x) ((x)/1024.0) +#define REDX F_CC(I_CC((GET(D_RG_LOW)),(GET(D_REDX)),6)) +#define REDY F_CC(I_CC((GET(D_RG_LOW)),(GET(D_REDY)),4)) +#define GREENX F_CC(I_CC((GET(D_RG_LOW)),(GET(D_GREENX)),2)) +#define GREENY F_CC(I_CC((GET(D_RG_LOW)),(GET(D_GREENY)),0)) +#define BLUEX F_CC(I_CC((GET(D_BW_LOW)),(GET(D_BLUEX)),6)) +#define BLUEY F_CC(I_CC((GET(D_BW_LOW)),(GET(D_BLUEY)),4)) +#define WHITEX F_CC(I_CC((GET(D_BW_LOW)),(GET(D_WHITEX)),2)) +#define WHITEY F_CC(I_CC((GET(D_BW_LOW)),(GET(D_WHITEY)),0)) + +/* extract information from standard timing section */ +#define T1 GET(E_T1) +#define T2 GET(E_T2) +#define T_MANU GET(E_TMANU) + +/* extract information from estabished timing section */ +#define _VALID_TIMING(x) !(((x[0] == 0x01) && (x[1] == 0x01)) \ + || ((x[0] == 0x00) && (x[1] == 0x00)) \ + || ((x[0] == 0x20) && (x[1] == 0x20)) ) +#define VALID_TIMING _VALID_TIMING(c) +#define _HSIZE1(x) ((x[0] + 31) * 8) +#define HSIZE1 _HSIZE1(c) +#define RATIO(x) ((x[1] & 0xC0) >> 6) +#define RATIO1_1 0 +/* EDID Ver. 1.3 redefined this */ +#define RATIO16_10 RATIO1_1 +#define RATIO4_3 1 +#define RATIO5_4 2 +#define RATIO16_9 3 +#define _VSIZE1(x,y,r) switch(RATIO(x)){ \ + case RATIO1_1: y = ((v->version > 1 || v->revision > 2) \ + ? (_HSIZE1(x) * 10) / 16 : _HSIZE1(x)); break; \ + case RATIO4_3: y = _HSIZE1(x) * 3 / 4; break; \ + case RATIO5_4: y = _HSIZE1(x) * 4 / 5; break; \ + case RATIO16_9: y = _HSIZE1(x) * 9 / 16; break; \ + } +#define VSIZE1(x) _VSIZE1(c,x,v) +#define _REFRESH_R(x) (x[1] & 0x3F) + 60 +#define REFRESH_R _REFRESH_R(c) +#define _ID_LOW(x) x[0] +#define ID_LOW _ID_LOW(c) +#define _ID_HIGH(x) (x[1] << 8) +#define ID_HIGH _ID_HIGH(c) +#define STD_TIMING_ID (ID_LOW | ID_HIGH) +#define _NEXT_STD_TIMING(x) (x = (x + STD_TIMING_INFO_LEN)) +#define NEXT_STD_TIMING _NEXT_STD_TIMING(c) + +/* EDID Ver. >= 1.2 */ +/** + * Returns true if the pointer is the start of a monitor descriptor block + * instead of a detailed timing descriptor. + * + * Checking the reserved pad fields for zeroes fails on some monitors with + * broken empty ASCII strings. Only the first two bytes are reliable. + */ +#define _IS_MONITOR_DESC(x) (x[0] == 0 && x[1] == 0) +#define IS_MONITOR_DESC _IS_MONITOR_DESC(c) +#define _PIXEL_CLOCK(x) (x[0] + (x[1] << 8)) * 10000 +#define PIXEL_CLOCK _PIXEL_CLOCK(c) +#define _H_ACTIVE(x) (x[2] + ((x[4] & 0xF0) << 4)) +#define H_ACTIVE _H_ACTIVE(c) +#define _H_BLANK(x) (x[3] + ((x[4] & 0x0F) << 8)) +#define H_BLANK _H_BLANK(c) +#define _V_ACTIVE(x) (x[5] + ((x[7] & 0xF0) << 4)) +#define V_ACTIVE _V_ACTIVE(c) +#define _V_BLANK(x) (x[6] + ((x[7] & 0x0F) << 8)) +#define V_BLANK _V_BLANK(c) +#define _H_SYNC_OFF(x) (x[8] + ((x[11] & 0xC0) << 2)) +#define H_SYNC_OFF _H_SYNC_OFF(c) +#define _H_SYNC_WIDTH(x) (x[9] + ((x[11] & 0x30) << 4)) +#define H_SYNC_WIDTH _H_SYNC_WIDTH(c) +#define _V_SYNC_OFF(x) ((x[10] >> 4) + ((x[11] & 0x0C) << 2)) +#define V_SYNC_OFF _V_SYNC_OFF(c) +#define _V_SYNC_WIDTH(x) ((x[10] & 0x0F) + ((x[11] & 0x03) << 4)) +#define V_SYNC_WIDTH _V_SYNC_WIDTH(c) +#define _H_SIZE(x) (x[12] + ((x[14] & 0xF0) << 4)) +#define H_SIZE _H_SIZE(c) +#define _V_SIZE(x) (x[13] + ((x[14] & 0x0F) << 8)) +#define V_SIZE _V_SIZE(c) +#define _H_BORDER(x) (x[15]) +#define H_BORDER _H_BORDER(c) +#define _V_BORDER(x) (x[16]) +#define V_BORDER _V_BORDER(c) +#define _INTERLACED(x) ((x[17] & 0x80) >> 7) +#define INTERLACED _INTERLACED(c) +#define _STEREO(x) ((x[17] & 0x60) >> 5) +#define STEREO _STEREO(c) +#define _STEREO1(x) (x[17] & 0x1) +#define STEREO1 _STEREO(c) +#define _SYNC_T(x) ((x[17] & 0x18) >> 3) +#define SYNC_T _SYNC_T(c) +#define _MISC(x) ((x[17] & 0x06) >> 1) +#define MISC _MISC(c) + +#define _MONITOR_DESC_TYPE(x) x[3] +#define MONITOR_DESC_TYPE _MONITOR_DESC_TYPE(c) +#define SERIAL_NUMBER 0xFF +#define ASCII_STR 0xFE +#define MONITOR_RANGES 0xFD +#define _MIN_V_OFFSET(x) ((!!(x[4] & 0x01)) * 255) +#define _MAX_V_OFFSET(x) ((!!(x[4] & 0x02)) * 255) +#define _MIN_H_OFFSET(x) ((!!(x[4] & 0x04)) * 255) +#define _MAX_H_OFFSET(x) ((!!(x[4] & 0x08)) * 255) +#define _MIN_V(x) x[5] +#define MIN_V (_MIN_V(c) + _MIN_V_OFFSET(c)) +#define _MAX_V(x) x[6] +#define MAX_V (_MAX_V(c) + _MAX_V_OFFSET(c)) +#define _MIN_H(x) x[7] +#define MIN_H (_MIN_H(c) + _MIN_H_OFFSET(c)) +#define _MAX_H(x) x[8] +#define MAX_H (_MAX_H(c) + _MAX_H_OFFSET(c)) +#define _MAX_CLOCK(x) x[9] +#define MAX_CLOCK _MAX_CLOCK(c) +#define _HAVE_2ND_GTF(x) (x[10] == 0x02) +#define HAVE_2ND_GTF _HAVE_2ND_GTF(c) +#define _F_2ND_GTF(x) (x[12] * 2) +#define F_2ND_GTF _F_2ND_GTF(c) +#define _C_2ND_GTF(x) (x[13] / 2) +#define C_2ND_GTF _C_2ND_GTF(c) +#define _M_2ND_GTF(x) (x[14] + (x[15] << 8)) +#define M_2ND_GTF _M_2ND_GTF(c) +#define _K_2ND_GTF(x) (x[16]) +#define K_2ND_GTF _K_2ND_GTF(c) +#define _J_2ND_GTF(x) (x[17] / 2) +#define J_2ND_GTF _J_2ND_GTF(c) +#define _HAVE_CVT(x) (x[10] == 0x04) +#define HAVE_CVT _HAVE_CVT(c) +#define _MAX_CLOCK_KHZ(x) (x[12] >> 2) +#define MAX_CLOCK_KHZ (MAX_CLOCK * 10000) - (_MAX_CLOCK_KHZ(c) * 250) +#define _MAXWIDTH(x) ((x[13] == 0 ? 0 : x[13] + ((x[12] & 0x03) << 8)) * 8) +#define MAXWIDTH _MAXWIDTH(c) +#define _SUPPORTED_ASPECT(x) x[14] +#define SUPPORTED_ASPECT _SUPPORTED_ASPECT(c) +#define SUPPORTED_ASPECT_4_3 0x80 +#define SUPPORTED_ASPECT_16_9 0x40 +#define SUPPORTED_ASPECT_16_10 0x20 +#define SUPPORTED_ASPECT_5_4 0x10 +#define SUPPORTED_ASPECT_15_9 0x08 +#define _PREFERRED_ASPECT(x) ((x[15] & 0xe0) >> 5) +#define PREFERRED_ASPECT _PREFERRED_ASPECT(c) +#define PREFERRED_ASPECT_4_3 0 +#define PREFERRED_ASPECT_16_9 1 +#define PREFERRED_ASPECT_16_10 2 +#define PREFERRED_ASPECT_5_4 3 +#define PREFERRED_ASPECT_15_9 4 +#define _SUPPORTED_BLANKING(x) ((x[15] & 0x18) >> 3) +#define SUPPORTED_BLANKING _SUPPORTED_BLANKING(c) +#define CVT_STANDARD 0x01 +#define CVT_REDUCED 0x02 +#define _SUPPORTED_SCALING(x) ((x[16] & 0xf0) >> 4) +#define SUPPORTED_SCALING _SUPPORTED_SCALING(c) +#define SCALING_HSHRINK 0x08 +#define SCALING_HSTRETCH 0x04 +#define SCALING_VSHRINK 0x02 +#define SCALING_VSTRETCH 0x01 +#define _PREFERRED_REFRESH(x) x[17] +#define PREFERRED_REFRESH _PREFERRED_REFRESH(c) + +#define MONITOR_NAME 0xFC +#define ADD_COLOR_POINT 0xFB +#define WHITEX F_CC(I_CC((GET(D_BW_LOW)),(GET(D_WHITEX)),2)) +#define WHITEY F_CC(I_CC((GET(D_BW_LOW)),(GET(D_WHITEY)),0)) +#define _WHITEX_ADD(x,y) F_CC(I_CC(((*(x + y))),(*(x + y + 1)),2)) +#define _WHITEY_ADD(x,y) F_CC(I_CC(((*(x + y))),(*(x + y + 2)),0)) +#define _WHITE_INDEX1(x) x[5] +#define WHITE_INDEX1 _WHITE_INDEX1(c) +#define _WHITE_INDEX2(x) x[10] +#define WHITE_INDEX2 _WHITE_INDEX2(c) +#define WHITEX1 _WHITEX_ADD(c,6) +#define WHITEY1 _WHITEY_ADD(c,6) +#define WHITEX2 _WHITEX_ADD(c,12) +#define WHITEY2 _WHITEY_ADD(c,12) +#define _WHITE_GAMMA1(x) _GAMMA(x[9]) +#define WHITE_GAMMA1 _WHITE_GAMMA1(c) +#define _WHITE_GAMMA2(x) _GAMMA(x[14]) +#define WHITE_GAMMA2 _WHITE_GAMMA2(c) +#define ADD_STD_TIMINGS 0xFA +#define COLOR_MANAGEMENT_DATA 0xF9 +#define CVT_3BYTE_DATA 0xF8 +#define ADD_EST_TIMINGS 0xF7 +#define ADD_DUMMY 0x10 + +#define _NEXT_DT_MD_SECTION(x) (x = (x + DET_TIMING_INFO_LEN)) +#define NEXT_DT_MD_SECTION _NEXT_DT_MD_SECTION(c) + +#endif /* _PARSE_EDID_ */ + +/* input type */ +#define DIGITAL(x) x + +/* DFP */ +#define DFP1(x) x + +/* input voltage level */ +#define V070 0 /* 0.700V/0.300V */ +#define V071 1 /* 0.714V/0.286V */ +#define V100 2 /* 1.000V/0.400V */ +#define V007 3 /* 0.700V/0.000V */ + +/* Signal level setup */ +#define SIG_SETUP(x) (x) + +/* sync characteristics */ +#define SEP_SYNC(x) (x & 0x08) +#define COMP_SYNC(x) (x & 0x04) +#define SYNC_O_GREEN(x) (x & 0x02) +#define SYNC_SERR(x) (x & 0x01) + +/* DPMS features */ +#define DPMS_STANDBY(x) (x & 0x04) +#define DPMS_SUSPEND(x) (x & 0x02) +#define DPMS_OFF(x) (x & 0x01) + +/* display type, analog */ +#define DISP_MONO 0 +#define DISP_RGB 1 +#define DISP_MULTCOLOR 2 + +/* display color encodings, digital */ +#define DISP_YCRCB444 0x01 +#define DISP_YCRCB422 0x02 + +/* Msc stuff EDID Ver > 1.1 */ +#define STD_COLOR_SPACE(x) (x & 0x4) +#define PREFERRED_TIMING_MODE(x) (x & 0x2) +#define GFT_SUPPORTED(x) (x & 0x1) +#define GTF_SUPPORTED(x) (x & 0x1) +#define CVT_SUPPORTED(x) (x & 0x1) + +/* detailed timing misc */ +#define IS_INTERLACED(x) (x) +#define IS_STEREO(x) (x) +#define IS_RIGHT_STEREO(x) (x & 0x01) +#define IS_LEFT_STEREO(x) (x & 0x02) +#define IS_4WAY_STEREO(x) (x & 0x03) +#define IS_RIGHT_ON_SYNC(x) IS_RIGHT_STEREO(x) +#define IS_LEFT_ON_SYNC(x) IS_LEFT_STEREO(x) + +typedef unsigned int Uint; +typedef unsigned char Uchar; + +struct vendor { + char name[4]; + int prod_id; + Uint serial; + int week; + int year; +}; + +struct edid_version { + int version; + int revision; +}; + +struct disp_features { + unsigned int input_type:1; + unsigned int input_voltage:2; + unsigned int input_setup:1; + unsigned int input_sync:5; + unsigned int input_dfp:1; + unsigned int input_bpc:3; + unsigned int input_interface:4; + /* 15 bit hole */ + int hsize; + int vsize; + float gamma; + unsigned int dpms:3; + unsigned int display_type:2; + unsigned int msc:3; + float redx; + float redy; + float greenx; + float greeny; + float bluex; + float bluey; + float whitex; + float whitey; +}; + +struct established_timings { + Uchar t1; + Uchar t2; + Uchar t_manu; +}; + +struct std_timings { + int hsize; + int vsize; + int refresh; + CARD16 id; +}; + +struct detailed_timings { + int clock; + int h_active; + int h_blanking; + int v_active; + int v_blanking; + int h_sync_off; + int h_sync_width; + int v_sync_off; + int v_sync_width; + int h_size; + int v_size; + int h_border; + int v_border; + unsigned int interlaced:1; + unsigned int stereo:2; + unsigned int sync:2; + unsigned int misc:2; + unsigned int stereo_1:1; +}; + +#define DT 0 +#define DS_SERIAL 0xFF +#define DS_ASCII_STR 0xFE +#define DS_NAME 0xFC +#define DS_RANGES 0xFD +#define DS_WHITE_P 0xFB +#define DS_STD_TIMINGS 0xFA +#define DS_CMD 0xF9 +#define DS_CVT 0xF8 +#define DS_EST_III 0xF7 +#define DS_DUMMY 0x10 +#define DS_UNKOWN 0x100 /* type is an int */ +#define DS_VENDOR 0x101 +#define DS_VENDOR_MAX 0x110 + +struct monitor_ranges { + int min_v; + int max_v; + int min_h; + int max_h; + int max_clock; /* in mhz */ + int gtf_2nd_f; + int gtf_2nd_c; + int gtf_2nd_m; + int gtf_2nd_k; + int gtf_2nd_j; + int max_clock_khz; + int maxwidth; /* in pixels */ + char supported_aspect; + char preferred_aspect; + char supported_blanking; + char supported_scaling; + int preferred_refresh; /* in hz */ +}; + +struct whitePoints { + int index; + float white_x; + float white_y; + float white_gamma; +}; + +struct cvt_timings { + int width; + int height; + int rate; + int rates; +}; + +/* + * Be careful when adding new sections; this structure can't grow, it's + * embedded in the middle of xf86Monitor which is ABI. Sizes below are + * in bytes, for ILP32 systems. If all else fails just copy the section + * literally like serial and friends. + */ +struct detailed_monitor_section { + int type; + union { + struct detailed_timings d_timings; /* 56 */ + Uchar serial[13]; + Uchar ascii_data[13]; + Uchar name[13]; + struct monitor_ranges ranges; /* 56 */ + struct std_timings std_t[5]; /* 80 */ + struct whitePoints wp[2]; /* 32 */ + /* color management data */ + struct cvt_timings cvt[4]; /* 64 */ + Uchar est_iii[6]; /* 6 */ + } section; /* max: 80 */ +}; + +/* flags */ +#define MONITOR_EDID_COMPLETE_RAWDATA 0x01 +/* old, don't use */ +#define EDID_COMPLETE_RAWDATA 0x01 +#define MONITOR_DISPLAYID 0x02 + +/* + * For DisplayID devices, only the scrnIndex, flags, and rawData fields + * are meaningful. For EDID, they all are. + */ +typedef struct { + int scrnIndex; + struct vendor vendor; + struct edid_version ver; + struct disp_features features; + struct established_timings timings1; + struct std_timings timings2[8]; + struct detailed_monitor_section det_mon[4]; + unsigned long flags; + int no_sections; + Uchar *rawData; +} xf86Monitor, *xf86MonPtr; + +extern _X_EXPORT xf86MonPtr ConfiguredMonitor; + +#define EXT_TAG 0 +#define EXT_REV 1 +#define CEA_EXT 0x02 +#define VTB_EXT 0x10 +#define DI_EXT 0x40 +#define LS_EXT 0x50 +#define MI_EXT 0x60 + +#define CEA_EXT_MIN_DATA_OFFSET 4 +#define CEA_EXT_MAX_DATA_OFFSET 127 +#define CEA_EXT_DET_TIMING_NUM 6 + +#define IEEE_ID_HDMI 0x000C03 +#define CEA_AUDIO_BLK 1 +#define CEA_VIDEO_BLK 2 +#define CEA_VENDOR_BLK 3 +#define CEA_SPEAKER_ALLOC_BLK 4 +#define CEA_VESA_DTC_BLK 5 +#define VENDOR_SUPPORT_AI(x) ((x) >> 7) +#define VENDOR_SUPPORT_DC_48bit(x) ( ( (x) >> 6) & 0x01) +#define VENDOR_SUPPORT_DC_36bit(x) ( ( (x) >> 5) & 0x01) +#define VENDOR_SUPPORT_DC_30bit(x) ( ( (x) >> 4) & 0x01) +#define VENDOR_SUPPORT_DC_Y444(x) ( ( (x) >> 3) & 0x01) +#define VENDOR_LATENCY_PRESENT(x) ( (x) >> 7) +#define VENDOR_LATENCY_PRESENT_I(x) ( ( (x) >> 6) & 0x01) +#define HDMI_MAX_TMDS_UNIT (5000) + +struct cea_video_block { + Uchar video_code; +}; + +struct cea_audio_block_descriptor { + Uchar audio_code[3]; +}; + +struct cea_audio_block { + struct cea_audio_block_descriptor descriptor[10]; +}; + +struct cea_vendor_block_hdmi { + Uchar portB:4; + Uchar portA:4; + Uchar portD:4; + Uchar portC:4; + Uchar support_flags; + Uchar max_tmds_clock; + Uchar latency_present; + Uchar video_latency; + Uchar audio_latency; + Uchar interlaced_video_latency; + Uchar interlaced_audio_latency; +}; + +struct cea_vendor_block { + unsigned char ieee_id[3]; + union { + struct cea_vendor_block_hdmi hdmi; + /* any other vendor blocks we know about */ + }; +}; + +struct cea_speaker_block { + Uchar FLR:1; + Uchar LFE:1; + Uchar FC:1; + Uchar RLR:1; + Uchar RC:1; + Uchar FLRC:1; + Uchar RLRC:1; + Uchar FLRW:1; + Uchar FLRH:1; + Uchar TC:1; + Uchar FCH:1; + Uchar Resv:5; + Uchar ResvByte; +}; + +struct cea_data_block { + Uchar len:5; + Uchar tag:3; + union { + struct cea_video_block video; + struct cea_audio_block audio; + struct cea_vendor_block vendor; + struct cea_speaker_block speaker; + } u; +}; + +struct cea_ext_body { + Uchar tag; + Uchar rev; + Uchar dt_offset; + Uchar flags; + struct cea_data_block data_collection; +}; + +#endif /* _EDID_H_ */ |