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xserver-multidpi/hw/xfree86/ddc/edid.h
Peter Hutterer 732fd7e571 Drop trailing whitespaces 
sed -i "s/[ ]\+$//g" **/*.(c|h)

happy reviewing...
git diff -w is an empty diff.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
2014-11-12 10:25:00 +10:00

658 lines
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/*
* 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_ */
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