| 0,0 → 1,464 |
|---|
| /* $XFree86: xc/programs/Xserver/hw/xfree86/ddc/edid.h,v 1.6 2000/04/17 16:29:55 eich Exp $ */ |
| |
| /* 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 "vdif.h" |
| |
| /* 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 _GAMMA(x) (x == 0xff ? 1.0 : ((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 */ |
| #define _IS_MONITOR_DESC(x) (x[0] == 0 && x[1] == 0 && x[2] == 0 && x[4] == 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) >> 4) |
| #define SYNC_T _SYNC_T(c) |
| #define _MISC(x) ((x[17] & 0x06) >> 2) |
| #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(x) x[5] |
| #define MIN_V _MIN_V(c) |
| #define _MAX_V(x) x[6] |
| #define MAX_V _MAX_V(c) |
| #define _MIN_H(x) x[7] |
| #define MIN_H _MIN_H(c) |
| #define _MAX_H(x) x[8] |
| #define MAX_H _MAX_H(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 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 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 */ |
| #define DISP_MONO 0 |
| #define DISP_RGB 1 |
| #define DISP_MULTCOLOR 2 |
| |
| /* 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) |
| |
| /* 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; |
| 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_DUMMY 0x10 |
| |
| struct monitor_ranges { |
| int min_v; |
| int max_v; |
| int min_h; |
| int max_h; |
| int max_clock; |
| int gtf_2nd_f; |
| int gtf_2nd_c; |
| int gtf_2nd_m; |
| int gtf_2nd_k; |
| int gtf_2nd_j; |
| }; |
| |
| struct whitePoints{ |
| int index; |
| float white_x; |
| float white_y; |
| float white_gamma; |
| }; |
| |
| struct detailed_monitor_section { |
| int type; |
| union { |
| struct detailed_timings d_timings; |
| Uchar serial[13]; |
| Uchar ascii_data[13]; |
| Uchar name[13]; |
| struct monitor_ranges ranges; |
| struct std_timings std_t[5]; |
| struct whitePoints wp[2]; |
| } section; |
| }; |
| |
| typedef struct { |
| RHDPtr rhdPtr; |
| 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]; |
| xf86vdifPtr vdif; |
| int no_sections; |
| Uchar *rawData; |
| } xf86Monitor, *xf86MonPtr; |
| |
| extern xf86MonPtr ConfiguredMonitor; |
| |
| #endif /* _EDID_H_ */ |