text: /*******************************************************************************
  * Copyright (C) 2020 Xilinx, Inc.  All rights reserved.
  * SPDX-License-Identifier: MIT
  *******************************************************************************/
  
  /******************************************************************************/
  /**
   *
   * @file xvidc_edid.h
   * @addtogroup video_common_v4_10
   * @{
   *
   * Contains macros, definitions, and function declarations related to the
   * Extended Display Identification Data (EDID) structure which is present in all
   * monitors. All content in this file is agnostic of communication interface
   * protocol.
   *
   * @note	None.
   *
   * <pre>
   * MODIFICATION HISTORY:
   *
   * Ver   Who  Date     Changes
   * ----- ---- -------- -----------------------------------------------
   * 1.0   als  11/09/14 Initial release.
   * 2.2   als  02/01/16 Functions with pointer arguments that don't modify
   *                     contents now const.
   * 4.0   aad  10/26/16 Functions which return fixed point values instead of
   *		       float
   * </pre>
   *
  *******************************************************************************/
  
  #ifndef XVIDC_EDID_H_
  /* Prevent circular inclusions by using protection macros. */
  #define XVIDC_EDID_H_
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  /******************************* Include Files ********************************/
  
  #include "xstatus.h"
  #include "xvidc.h"
  
  /************************** Constant Definitions ******************************/
  
  /** @name Address mapping for the base EDID block.
   * @{
   */
  #define XVIDC_EDID_HEADER				0x00
  /* Vendor and product identification. */
  #define XVIDC_EDID_VPI_ID_MAN_NAME0			0x08
  #define XVIDC_EDID_VPI_ID_MAN_NAME1			0x09
  #define XVIDC_EDID_VPI_ID_PROD_CODE_LSB			0x0A
  #define XVIDC_EDID_VPI_ID_PROD_CODE_MSB			0x0B
  #define XVIDC_EDID_VPI_ID_SN0				0x0C
  #define XVIDC_EDID_VPI_ID_SN1				0x0D
  #define XVIDC_EDID_VPI_ID_SN2				0x0E
  #define XVIDC_EDID_VPI_ID_SN3				0x0F
  #define XVIDC_EDID_VPI_WEEK_MAN				0x10
  #define XVIDC_EDID_VPI_YEAR				0x11
  /* EDID structure version and revision. */
  #define XVIDC_EDID_STRUCT_VER				0x12
  #define XVIDC_EDID_STRUCT_REV				0x13
  /* Basic display parameters and features. */
  #define XVIDC_EDID_BDISP_VID				0x14
  #define XVIDC_EDID_BDISP_H_SSAR				0x15
  #define XVIDC_EDID_BDISP_V_SSAR				0x16
  #define XVIDC_EDID_BDISP_GAMMA				0x17
  #define XVIDC_EDID_BDISP_FEATURE			0x18
  /* Color characteristics (display x,y chromaticity coordinates). */
  #define XVIDC_EDID_CC_RG_LOW				0x19
  #define XVIDC_EDID_CC_BW_LOW				0x1A
  #define XVIDC_EDID_CC_REDX_HIGH				0x1B
  #define XVIDC_EDID_CC_REDY_HIGH				0x1C
  #define XVIDC_EDID_CC_GREENX_HIGH			0x1D
  #define XVIDC_EDID_CC_GREENY_HIGH			0x1E
  #define XVIDC_EDID_CC_BLUEX_HIGH			0x1F
  #define XVIDC_EDID_CC_BLUEY_HIGH			0x20
  #define XVIDC_EDID_CC_WHITEX_HIGH			0x21
  #define XVIDC_EDID_CC_WHITEY_HIGH			0x22
  /* Established timings. */
  #define XVIDC_EDID_EST_TIMINGS_I			0x23
  #define XVIDC_EDID_EST_TIMINGS_II			0x24
  #define XVIDC_EDID_EST_TIMINGS_MAN			0x25
  /* Standard timings. */
  #define XVIDC_EDID_STD_TIMINGS_H(N)			(0x26 + 2 * (N - 1))
  #define XVIDC_EDID_STD_TIMINGS_AR_FRR(N)		(0x27 + 2 * (N - 1))
  /* 18 byte descriptors. */
  #define XVIDC_EDID_18BYTE_DESCRIPTOR(N)			(0x36 + 18 * (N - 1))
  #define XVIDC_EDID_PTM			(XVIDC_EDID_18BYTE_DESCRIPTOR(1))
  /* - Detailed timing descriptor (DTD) / Preferred timing mode (PTM). */
  #define XVIDC_EDID_DTD_PTM_PIXEL_CLK_KHZ_LSB		0x00
  #define XVIDC_EDID_DTD_PTM_PIXEL_CLK_KHZ_MSB		0x01
  #define XVIDC_EDID_DTD_PTM_HRES_LSB			0x02
  #define XVIDC_EDID_DTD_PTM_HBLANK_LSB			0x03
  #define XVIDC_EDID_DTD_PTM_HRES_HBLANK_U4		0x04
  #define XVIDC_EDID_DTD_PTM_VRES_LSB			0x05
  #define XVIDC_EDID_DTD_PTM_VBLANK_LSB			0x06
  #define XVIDC_EDID_DTD_PTM_VRES_VBLANK_U4		0x07
  #define XVIDC_EDID_DTD_PTM_HFPORCH_LSB			0x08
  #define XVIDC_EDID_DTD_PTM_HSPW_LSB			0x09
  #define XVIDC_EDID_DTD_PTM_VFPORCH_VSPW_L4		0x0A
  #define XVIDC_EDID_DTD_PTM_XFPORCH_XSPW_U2		0x0B
  #define XVIDC_EDID_DTD_PTM_HIMGSIZE_MM_LSB		0x0C
  #define XVIDC_EDID_DTD_PTM_VIMGSIZE_MM_LSB		0x0D
  #define XVIDC_EDID_DTD_PTM_XIMGSIZE_MM_U4		0x0E
  #define XVIDC_EDID_DTD_PTM_HBORDER			0x0F
  #define XVIDC_EDID_DTD_PTM_VBORDER			0x10
  #define XVIDC_EDID_DTD_PTM_SIGNAL			0x11
  
  /* Extension block count. */
  #define XVIDC_EDID_EXT_BLK_COUNT			0x7E
  /* Checksum. */
  #define XVIDC_EDID_CHECKSUM				0x7F
  /* @} */
  
  /******************************************************************************/
  
  /** @name Extended Display Identification Data: Masks, shifts, and values.
   * @{
   */
  #define XVIDC_EDID_VPI_ID_MAN_NAME0_CHAR0_SHIFT		2
  #define XVIDC_EDID_VPI_ID_MAN_NAME0_CHAR0_MASK		(0x1F << 2)
  #define XVIDC_EDID_VPI_ID_MAN_NAME0_CHAR1_MASK		0x03
  #define XVIDC_EDID_VPI_ID_MAN_NAME0_CHAR1_POS		3
  #define XVIDC_EDID_VPI_ID_MAN_NAME1_CHAR1_SHIFT		5
  #define XVIDC_EDID_VPI_ID_MAN_NAME1_CHAR2_MASK		0x1F
  
  /* Basic display parameters and features: Video input definition. */
  #define XVIDC_EDID_BDISP_VID_VSI_SHIFT			7
  #define XVIDC_EDID_BDISP_VID_VSI_MASK			(0x01 << 7)
  #define XVIDC_EDID_BDISP_VID_ANA_SLS_SHIFT		5
  #define XVIDC_EDID_BDISP_VID_ANA_SLS_MASK		(0x03 << 5)
  #define XVIDC_EDID_BDISP_VID_ANA_SLS_0700_0300_1000	0x0
  #define XVIDC_EDID_BDISP_VID_ANA_SLS_0714_0286_1000	0x1
  #define XVIDC_EDID_BDISP_VID_ANA_SLS_1000_0400_1400	0x2
  #define XVIDC_EDID_BDISP_VID_ANA_SLS_0700_0000_0700	0x3
  #define XVIDC_EDID_BDISP_VID_ANA_VID_SETUP_MASK		(0x01 << 4)
  #define XVIDC_EDID_BDISP_VID_ANA_SEP_SYNC_HV_MASK	(0x01 << 3)
  #define XVIDC_EDID_BDISP_VID_ANA_COMP_SYNC_H_MASK	(0x01 << 2)
  #define XVIDC_EDID_BDISP_VID_ANA_COMP_SYNC_G_MASK	(0x01 << 1)
  #define XVIDC_EDID_BDISP_VID_ANA_SERR_V_SYNC_MASK	(0x01)
  #define XVIDC_EDID_BDISP_VID_DIG_BPC_SHIFT		4
  #define XVIDC_EDID_BDISP_VID_DIG_BPC_MASK		(0x7 << 4)
  #define XVIDC_EDID_BDISP_VID_DIG_BPC_UNDEF		0x0
  #define XVIDC_EDID_BDISP_VID_DIG_BPC_6			0x1
  #define XVIDC_EDID_BDISP_VID_DIG_BPC_8			0x2
  #define XVIDC_EDID_BDISP_VID_DIG_BPC_10			0x3
  #define XVIDC_EDID_BDISP_VID_DIG_BPC_12			0x4
  #define XVIDC_EDID_BDISP_VID_DIG_BPC_14			0x5
  #define XVIDC_EDID_BDISP_VID_DIG_BPC_16			0x6
  #define XVIDC_EDID_BDISP_VID_DIG_VIS_MASK		0xF
  #define XVIDC_EDID_BDISP_VID_DIG_VIS_UNDEF		0x0
  #define XVIDC_EDID_BDISP_VID_DIG_VIS_DVI		0x1
  #define XVIDC_EDID_BDISP_VID_DIG_VIS_HDMIA		0x2
  #define XVIDC_EDID_BDISP_VID_DIG_VIS_HDMIB		0x3
  #define XVIDC_EDID_BDISP_VID_DIG_VIS_MDDI		0x4
  #define XVIDC_EDID_BDISP_VID_DIG_VIS_DP			0x5
  
  /* Basic display parameters and features: Feature support. */
  #define XVIDC_EDID_BDISP_FEATURE_PM_STANDBY_MASK	(0x1 << 7)
  #define XVIDC_EDID_BDISP_FEATURE_PM_SUSPEND_MASK	(0x1 << 6)
  #define XVIDC_EDID_BDISP_FEATURE_PM_OFF_VLP_MASK	(0x1 << 5)
  #define XVIDC_EDID_BDISP_FEATURE_ANA_COLORTYPE_SHIFT	3
  #define XVIDC_EDID_BDISP_FEATURE_ANA_COLORTYPE_MASK	(0x3 << 3)
  #define XVIDC_EDID_BDISP_FEATURE_ANA_COLORTYPE_MCG	0x0
  #define XVIDC_EDID_BDISP_FEATURE_ANA_COLORTYPE_RGB	0x1
  #define XVIDC_EDID_BDISP_FEATURE_ANA_COLORTYPE_NRGB	0x2
  #define XVIDC_EDID_BDISP_FEATURE_ANA_COLORTYPE_UNDEF	0x3
  #define XVIDC_EDID_BDISP_FEATURE_DIG_COLORENC_YCRCB444_MASK	(0x1 << 3)
  #define XVIDC_EDID_BDISP_FEATURE_DIG_COLORENC_YCRCB422_MASK	(0x1 << 4)
  #define XVIDC_EDID_BDISP_FEATURE_SRGB_DEF_MASK		(0x1 << 2)
  #define XVIDC_EDID_BDISP_FEATURE_PTM_INC_MASK		(0x1 << 1)
  #define XVIDC_EDID_BDISP_FEATURE_CONTFREQ_MASK		(0x1)
  
  /* Color characteristics (display x,y chromaticity coordinates). */
  #define XVIDC_EDID_CC_HIGH_SHIFT			2
  #define XVIDC_EDID_CC_RBX_LOW_SHIFT			6
  #define XVIDC_EDID_CC_RBY_LOW_SHIFT			4
  #define XVIDC_EDID_CC_RBY_LOW_MASK			(0x3 << 4)
  #define XVIDC_EDID_CC_GWX_LOW_SHIFT			2
  #define XVIDC_EDID_CC_GWX_LOW_MASK			(0x3 << 2)
  #define XVIDC_EDID_CC_GWY_LOW_MASK			(0x3)
  #define XVIDC_EDID_CC_GREENY_HIGH			0x1E
  #define XVIDC_EDID_CC_BLUEX_HIGH			0x1F
  #define XVIDC_EDID_CC_BLUEY_HIGH			0x20
  #define XVIDC_EDID_CC_WHITEX_HIGH			0x21
  #define XVIDC_EDID_CC_WHITEY_HIGH			0x22
  
  /* Established timings. */
  #define XVIDC_EDID_EST_TIMINGS_I_720x400_70_MASK	(0x1 << 7)
  #define XVIDC_EDID_EST_TIMINGS_I_720x400_88_MASK	(0x1 << 6)
  #define XVIDC_EDID_EST_TIMINGS_I_640x480_60_MASK	(0x1 << 5)
  #define XVIDC_EDID_EST_TIMINGS_I_640x480_67_MASK	(0x1 << 4)
  #define XVIDC_EDID_EST_TIMINGS_I_640x480_72_MASK	(0x1 << 3)
  #define XVIDC_EDID_EST_TIMINGS_I_640x480_75_MASK	(0x1 << 2)
  #define XVIDC_EDID_EST_TIMINGS_I_800x600_56_MASK	(0x1 << 1)
  #define XVIDC_EDID_EST_TIMINGS_I_800x600_60_MASK	(0x1)
  #define XVIDC_EDID_EST_TIMINGS_II_800x600_72_MASK	(0x1 << 7)
  #define XVIDC_EDID_EST_TIMINGS_II_800x600_75_MASK	(0x1 << 6)
  #define XVIDC_EDID_EST_TIMINGS_II_832x624_75_MASK	(0x1 << 5)
  #define XVIDC_EDID_EST_TIMINGS_II_1024x768_87_MASK	(0x1 << 4)
  #define XVIDC_EDID_EST_TIMINGS_II_1024x768_60_MASK	(0x1 << 3)
  #define XVIDC_EDID_EST_TIMINGS_II_1024x768_70_MASK	(0x1 << 2)
  #define XVIDC_EDID_EST_TIMINGS_II_1024x768_75_MASK	(0x1 << 1)
  #define XVIDC_EDID_EST_TIMINGS_II_1280x1024_75_MASK	(0x1)
  #define XVIDC_EDID_EST_TIMINGS_MAN_1152x870_75_MASK	(0x1 << 7)
  #define XVIDC_EDID_EST_TIMINGS_MAN_MASK			(0x7F)
  
  /* Standard timings. */
  #define XVIDC_EDID_STD_TIMINGS_AR_SHIFT			6
  #define XVIDC_EDID_STD_TIMINGS_AR_16_10			0x0
  #define XVIDC_EDID_STD_TIMINGS_AR_4_3			0x1
  #define XVIDC_EDID_STD_TIMINGS_AR_5_4			0x2
  #define XVIDC_EDID_STD_TIMINGS_AR_16_9			0x3
  #define XVIDC_EDID_STD_TIMINGS_FRR_MASK			(0x3F)
  
  /* Detailed timing descriptor (DTD) / Preferred timing mode (PTM). */
  #define XVIDC_EDID_DTD_PTM_XRES_XBLANK_U4_XBLANK_MASK		0x0F
  #define XVIDC_EDID_DTD_PTM_XRES_XBLANK_U4_XRES_MASK		0xF0
  #define XVIDC_EDID_DTD_PTM_XRES_XBLANK_U4_XRES_SHIFT		4
  #define XVIDC_EDID_DTD_PTM_VFPORCH_VSPW_L4_VSPW_MASK		0x0F
  #define XVIDC_EDID_DTD_PTM_VFPORCH_VSPW_L4_VFPORCH_MASK		0xF0
  #define XVIDC_EDID_DTD_PTM_VFPORCH_VSPW_L4_VFPORCH_SHIFT	4
  #define XVIDC_EDID_DTD_PTM_XFPORCH_XSPW_U2_HFPORCH_MASK		0xC0
  #define XVIDC_EDID_DTD_PTM_XFPORCH_XSPW_U2_HSPW_MASK		0x30
  #define XVIDC_EDID_DTD_PTM_XFPORCH_XSPW_U2_VFPORCH_MASK		0x0C
  #define XVIDC_EDID_DTD_PTM_XFPORCH_XSPW_U2_VSPW_MASK		0x03
  #define XVIDC_EDID_DTD_PTM_XFPORCH_XSPW_U2_HFPORCH_SHIFT	6
  #define XVIDC_EDID_DTD_PTM_XFPORCH_XSPW_U2_HSPW_SHIFT		4
  #define XVIDC_EDID_DTD_PTM_XFPORCH_XSPW_U2_VFPORCH_SHIFT	2
  #define XVIDC_EDID_DTD_PTM_XIMGSIZE_MM_U4_VIMGSIZE_MM_MASK	0x0F
  #define XVIDC_EDID_DTD_PTM_XIMGSIZE_MM_U4_HIMGSIZE_MM_MASK	0xF0
  #define XVIDC_EDID_DTD_PTM_XIMGSIZE_MM_U4_HIMGSIZE_MM_SHIFT	4
  #define XVIDC_EDID_DTD_PTM_SIGNAL_INTERLACED_MASK		0x80
  #define XVIDC_EDID_DTD_PTM_SIGNAL_INTERLACED_SHIFT		7
  #define XVIDC_EDID_DTD_PTM_SIGNAL_HPOLARITY_MASK		0x02
  #define XVIDC_EDID_DTD_PTM_SIGNAL_VPOLARITY_MASK		0x04
  #define XVIDC_EDID_DTD_PTM_SIGNAL_HPOLARITY_SHIFT		1
  #define XVIDC_EDID_DTD_PTM_SIGNAL_VPOLARITY_SHIFT		2
  /* @} */
  
  /******************* Macros (Inline Functions) Definitions ********************/
  
  #define XVidC_EdidIsHeaderValid(E) \
  	!memcmp(E, "\x00\xFF\xFF\xFF\xFF\xFF\xFF\x00", 8)
  
  /* Vendor and product identification: ID manufacturer name. */
  /* void XVidC_EdidGetManName(const u8 *EdidRaw, char ManName[4]); */
  
  /* Vendor and product identification: ID product code. */
  #define XVidC_EdidGetIdProdCode(E) \
  	((u16)((E[XVIDC_EDID_VPI_ID_PROD_CODE_MSB] << 8) | \
  	E[XVIDC_EDID_VPI_ID_PROD_CODE_LSB]))
  
  /* Vendor and product identification: ID serial number. */
  #define XVidC_EdidGetIdSn(E) \
  	((u32)((E[XVIDC_EDID_VPI_ID_SN3] << 24) | \
  	(E[XVIDC_EDID_VPI_ID_SN2] << 16) | (E[XVIDC_EDID_VPI_ID_SN1] << 8) | \
  	E[XVIDC_EDID_VPI_ID_SN0]))
  
  /* Vendor and product identification: Week and year of manufacture or model
   * year. */
  #define XVidC_EdidGetManWeek(E)		(E[XVIDC_EDID_VPI_WEEK_MAN])
  #define XVidC_EdidGetModManYear(E)	(E[XVIDC_EDID_VPI_YEAR] + 1990)
  #define XVidC_EdidIsYearModel(E)	(XVidC_EdidGetManWeek(E) == 0xFF)
  #define XVidC_EdidIsYearMan(E)		(XVidC_EdidGetManWeek(E) != 0xFF)
  
  /* EDID structure version and revision. */
  #define XVidC_EdidGetStructVer(E)	(E[XVIDC_EDID_STRUCT_VER])
  #define XVidC_EdidGetStructRev(E)	(E[XVIDC_EDID_STRUCT_REV])
  
  /* Basic display parameters and features: Video input definition. */
  #define XVidC_EdidIsDigitalSig(E) \
  	((E[XVIDC_EDID_BDISP_VID] & XVIDC_EDID_BDISP_VID_VSI_MASK) != 0)
  #define XVidC_EdidIsAnalogSig(E) \
  	((E[XVIDC_EDID_BDISP_VID] & XVIDC_EDID_BDISP_VID_VSI_MASK) == 0)
  #define XVidC_EdidGetAnalogSigLvlStd(E) \
  	((E[XVIDC_EDID_BDISP_VID] & XVIDC_EDID_BDISP_VID_ANA_SLS_MASK) >> \
  	XVIDC_EDID_BDISP_VID_ANA_SLS_SHIFT)
  #define XVidC_EdidGetAnalogSigVidSetup(E) \
  	((E[XVIDC_EDID_BDISP_VID] & \
  	XVIDC_EDID_BDISP_VID_ANA_VID_SETUP_MASK) != 0)
  #define XVidC_EdidSuppAnalogSigSepSyncHv(E) \
  	((E[XVIDC_EDID_BDISP_VID] & \
  	XVIDC_EDID_BDISP_VID_ANA_SEP_SYNC_HV_MASK) != 0)
  #define XVidC_EdidSuppAnalogSigCompSyncH(E) \
  	((E[XVIDC_EDID_BDISP_VID] & \
  	XVIDC_EDID_BDISP_VID_ANA_COMP_SYNC_H_MASK) != 0)
  #define XVidC_EdidSuppAnalogSigCompSyncG(E) \
  	((E[XVIDC_EDID_BDISP_VID] & \
  	XVIDC_EDID_BDISP_VID_ANA_COMP_SYNC_G_MASK) != 0)
  #define XVidC_EdidSuppAnalogSigSerrVsync(E) \
  	((E[XVIDC_EDID_BDISP_VID] & \
  	XVIDC_EDID_BDISP_VID_ANA_SERR_V_SYNC_MASK) != 0)
  /* XVidC_ColorDepth XVidC_EdidGetColorDepth(const u8 *EdidRaw); */
  #define XVidC_EdidGetDigitalSigIfaceStd(E) \
  	(E[XVIDC_EDID_BDISP_VID] & XVIDC_EDID_BDISP_VID_DIG_VIS_MASK)
  
  /* Basic display parameters and features: Horizontal and vertical screen size or
   * aspect ratio. */
  #define XVidC_EdidIsSsArDefined(E) \
  	((E[XVIDC_EDID_BDISP_H_SSAR] | E[XVIDC_EDID_BDISP_V_SSAR]) != 0)
  #define XVidC_EdidGetSsArH(E)	E[XVIDC_EDID_BDISP_H_SSAR]
  #define XVidC_EdidGetSsArV(E)	E[XVIDC_EDID_BDISP_V_SSAR]
  #define XVidC_EdidIsSsArSs(E) \
  	((XVidC_EdidGetSsArH(E) != 0) && (XVidC_EdidGetSsArV(E) != 0))
  #define XVidC_EdidIsSsArArL(E) \
  	((XVidC_EdidGetSsArH(E) != 0) && (XVidC_EdidGetSsArV(E) == 0))
  #define XVidC_EdidIsSsArArP(E) \
  	((XVidC_EdidGetSsArH(E) == 0) && (XVidC_EdidGetSsArV(E) != 0))
  #define XVidC_EdidGetSsArArL(E) \
  	((float)((XVidC_EdidGetSsArH(E) + 99.0) / 100.0))
  #define XVidC_EdidGetSsArArP(E) \
  	((float)(100.0 / (XVidC_EdidGetSsArV(E) + 99.0)))
  
  /* Basic display parameters and features: Gamma. */
  #define XVidC_EdidIsGammaInExt(E)	(E[XVIDC_EDID_BDISP_GAMMA] == 0xFF)
  #define XVidC_EdidGetGamma(E) \
  	((float)((E[XVIDC_EDID_BDISP_GAMMA] + 100.0) / 100.0))
  
  /* Basic display parameters and features: Feature support. */
  #define XVidC_EdidSuppFeaturePmStandby(E) \
  	((E[XVIDC_EDID_BDISP_FEATURE] & \
  	XVIDC_EDID_BDISP_FEATURE_PM_STANDBY_MASK) != 0)
  #define XVidC_EdidSuppFeaturePmSuspend(E) \
  	((E[XVIDC_EDID_BDISP_FEATURE] & \
  	XVIDC_EDID_BDISP_FEATURE_PM_SUSPEND_MASK) != 0)
  #define XVidC_EdidSuppFeaturePmOffVlp(E) \
  	((E[XVIDC_EDID_BDISP_FEATURE] & \
  	XVIDC_EDID_BDISP_FEATURE_PM_OFF_VLP_MASK) != 0)
  #define XVidC_EdidGetFeatureAnaColorType(E) \
  	((E[XVIDC_EDID_BDISP_FEATURE] & \
  	XVIDC_EDID_BDISP_FEATURE_ANA_COLORTYPE_MASK) >> \
  	XVIDC_EDID_BDISP_FEATURE_ANA_COLORTYPE_SHIFT)
  #define XVidC_EdidSuppFeatureDigColorEncYCrCb444(E) \
  	((E[XVIDC_EDID_BDISP_FEATURE] & \
  	XVIDC_EDID_BDISP_FEATURE_DIG_COLORENC_YCRCB444_MASK) != 0)
  #define XVidC_EdidSuppFeatureDigColorEncYCrCb422(E) \
  	((E[XVIDC_EDID_BDISP_FEATURE] & \
  	XVIDC_EDID_BDISP_FEATURE_DIG_COLORENC_YCRCB422_MASK) != 0)
  #define XVidC_EdidIsFeatureSrgbDef(E) \
  	((E[XVIDC_EDID_BDISP_FEATURE] & \
  	XVIDC_EDID_BDISP_FEATURE_SRGB_DEF_MASK) != 0)
  #define XVidC_EdidIsFeaturePtmInc(E) \
  	((E[XVIDC_EDID_BDISP_FEATURE] & \
  	XVIDC_EDID_BDISP_FEATURE_PTM_INC_MASK) != 0)
  #define XVidC_EdidIsFeatureContFreq(E) \
  	((E[XVIDC_EDID_BDISP_FEATURE] & \
  	XVIDC_EDID_BDISP_FEATURE_CONTFREQ_MASK) != 0)
  
  /* Established timings. */
  #define XVidC_EdidSuppEstTimings720x400_70(E) \
  	((E[XVIDC_EDID_EST_TIMINGS_I] & \
  	XVIDC_EDID_EST_TIMINGS_I_720x400_70_MASK) != 0)
  #define XVidC_EdidSuppEstTimings720x400_88(E) \
  	((E[XVIDC_EDID_EST_TIMINGS_I] & \
  	XVIDC_EDID_EST_TIMINGS_I_720x400_88_MASK) != 0)
  #define XVidC_EdidSuppEstTimings640x480_60(E) \
  	((E[XVIDC_EDID_EST_TIMINGS_I] & \
  	XVIDC_EDID_EST_TIMINGS_I_640x480_60_MASK) != 0)
  #define XVidC_EdidSuppEstTimings640x480_67(E) \
  	((E[XVIDC_EDID_EST_TIMINGS_I] & \
  	XVIDC_EDID_EST_TIMINGS_I_640x480_67_MASK) != 0)
  #define XVidC_EdidSuppEstTimings640x480_72(E) \
  	((E[XVIDC_EDID_EST_TIMINGS_I] & \
  	XVIDC_EDID_EST_TIMINGS_I_640x480_72_MASK) != 0)
  #define XVidC_EdidSuppEstTimings640x480_75(E) \
  	((E[XVIDC_EDID_EST_TIMINGS_I] & \
  	XVIDC_EDID_EST_TIMINGS_I_640x480_75_MASK) != 0)
  #define XVidC_EdidSuppEstTimings800x600_56(E) \
  	((E[XVIDC_EDID_EST_TIMINGS_I] & \
  	XVIDC_EDID_EST_TIMINGS_I_800x600_56_MASK) != 0)
  #define XVidC_EdidSuppEstTimings800x600_60(E) \
  	((E[XVIDC_EDID_EST_TIMINGS_I] & \
  	XVIDC_EDID_EST_TIMINGS_I_800x600_60_MASK) != 0)
  #define XVidC_EdidSuppEstTimings800x600_72(E) \
  	((E[XVIDC_EDID_EST_TIMINGS_II] & \
  	XVIDC_EDID_EST_TIMINGS_II_800x600_72_MASK) != 0)
  #define XVidC_EdidSuppEstTimings800x600_75(E) \
  	((E[XVIDC_EDID_EST_TIMINGS_II] & \
  	XVIDC_EDID_EST_TIMINGS_II_800x600_75_MASK) != 0)
  #define XVidC_EdidSuppEstTimings832x624_75(E) \
  	((E[XVIDC_EDID_EST_TIMINGS_II] & \
  	XVIDC_EDID_EST_TIMINGS_II_832x624_75_MASK) != 0)
  #define XVidC_EdidSuppEstTimings1024x768_87(E) \
  	((E[XVIDC_EDID_EST_TIMINGS_II] & \
  	XVIDC_EDID_EST_TIMINGS_II_1024x768_87_MASK) != 0)
  #define XVidC_EdidSuppEstTimings1024x768_60(E) \
  	((E[XVIDC_EDID_EST_TIMINGS_II] & \
  	XVIDC_EDID_EST_TIMINGS_II_1024x768_60_MASK) != 0)
  #define XVidC_EdidSuppEstTimings1024x768_70(E) \
  	((E[XVIDC_EDID_EST_TIMINGS_II] & \
  	XVIDC_EDID_EST_TIMINGS_II_1024x768_70_MASK) != 0)
  #define XVidC_EdidSuppEstTimings1024x768_75(E) \
  	((E[XVIDC_EDID_EST_TIMINGS_II] & \
  	XVIDC_EDID_EST_TIMINGS_II_1024x768_75_MASK) != 0)
  #define XVidC_EdidSuppEstTimings1280x1024_75(E) \
  	((E[XVIDC_EDID_EST_TIMINGS_II] & \
  	XVIDC_EDID_EST_TIMINGS_II_1280x1024_75_MASK) != 0)
  #define XVidC_EdidSuppEstTimings1152x870_75(E) \
  	((E[XVIDC_EDID_EST_TIMINGS_MAN] & \
  	XVIDC_EDID_EST_TIMINGS_MAN_1152x870_75_MASK) != 0)
  #define XVidC_EdidGetTimingsMan(E) \
  	(E[XVIDC_EDID_EST_TIMINGS_MAN] & XVIDC_EDID_EST_TIMINGS_MAN_MASK)
  
  /* Standard timings. */
  #define XVidC_EdidGetStdTimingsH(E, N) \
  	((E[XVIDC_EDID_STD_TIMINGS_H(N)] + 31) * 8)
  #define XVidC_EdidGetStdTimingsAr(E, N) \
  	(E[XVIDC_EDID_STD_TIMINGS_AR_FRR(N)] >> XVIDC_EDID_STD_TIMINGS_AR_SHIFT)
  #define XVidC_EdidGetStdTimingsFrr(E, N) \
  	((E[XVIDC_EDID_STD_TIMINGS_AR_FRR(N)] & \
  	XVIDC_EDID_STD_TIMINGS_FRR_MASK) + 60)
  /* u16 XVidC_EdidGetStdTimingsV(const u8 *EdidRaw, u8 StdTimingsNum); */
  #define XVidC_EdidIsDtdPtmInterlaced(E) \
  	((E[XVIDC_EDID_PTM + XVIDC_EDID_DTD_PTM_SIGNAL] & \
  	XVIDC_EDID_DTD_PTM_SIGNAL_INTERLACED_MASK) >> \
  	XVIDC_EDID_DTD_PTM_SIGNAL_INTERLACED_SHIFT)
  
  /* Extension block count. */
  #define XVidC_EdidGetExtBlkCount(E)	(E[XVIDC_EDID_EXT_BLK_COUNT])
  
  /* Checksum. */
  #define XVidC_EdidGetChecksum(E)	(E[XVIDC_EDID_CHECKSUM])
  
  /**************************** Function Prototypes *****************************/
  
  /* Vendor and product identification: ID manufacturer name. */
  void XVidC_EdidGetManName(const u8 *EdidRaw, char ManName[4]);
  
  /* Basic display parameters and features: Video input definition. */
  XVidC_ColorDepth XVidC_EdidGetColorDepth(const u8 *EdidRaw);
  
  /* Color characteristics (display x,y chromaticity coordinates). */
  int XVidC_EdidGetCcRedX(const u8 *EdidRaw);
  int XVidC_EdidGetCcRedY(const u8 *EdidRaw);
  int XVidC_EdidGetCcGreenX(const u8 *EdidRaw);
  int XVidC_EdidGetCcGreenY(const u8 *EdidRaw);
  int XVidC_EdidGetCcBlueX(const u8 *EdidRaw);
  int XVidC_EdidGetCcBlueY(const u8 *EdidRaw);
  int XVidC_EdidGetCcWhiteX(const u8 *EdidRaw);
  int XVidC_EdidGetCcWhiteY(const u8 *EdidRaw);
  
  /* Standard timings. */
  u16 XVidC_EdidGetStdTimingsV(const u8 *EdidRaw, u8 StdTimingsNum);
  
  /* Utility functions. */
  u32 XVidC_EdidIsVideoTimingSupported(const u8 *EdidRaw,
  		const XVidC_VideoTimingMode *VtMode);
  
  #ifdef __cplusplus
  }
  #endif
  #endif /* XVIDC_EDID_H_ */
  /** @} */
  