video_common: Added initial EDID parser.
Signed-off-by: Andrei-Liviu Simion <andrei.simion@xilinx.com>
This commit is contained in:
Andrei-Liviu Simion
Nava kishore Manne
parent
1ee87f6b12
commit
3270234112
3 changed files with 614 additions and 0 deletions
241
XilinxProcessorIPLib/drivers/video_common/src/xedid.c
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241
XilinxProcessorIPLib/drivers/video_common/src/xedid.c
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@ -0,0 +1,241 @@
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/*******************************************************************************
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*
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* Copyright (C) 2014 Xilinx, Inc. All rights reserved.
|
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*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
* of this software and associated documentation files (the "Software"), to deal
|
||||
* in the Software without restriction, including without limitation the rights
|
||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
* copies of the Software, and to permit persons to whom the Software is
|
||||
* furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in
|
||||
* all copies or substantial portions of the Software.
|
||||
*
|
||||
* Use of the Software is limited solely to applications:
|
||||
* (a) running on a Xilinx device, or
|
||||
* (b) that interact with a Xilinx device through a bus or interconnect.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
* XILINX CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
|
||||
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
|
||||
* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||||
* SOFTWARE.
|
||||
*
|
||||
* Except as contained in this notice, the name of the Xilinx shall not be used
|
||||
* in advertising or otherwise to promote the sale, use or other dealings in
|
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* this Software without prior written authorization from Xilinx.
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||||
*
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*******************************************************************************/
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/******************************************************************************/
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/**
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*
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* @file xedid.c
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*
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* Contains function definitions related to the Extended Display Identification
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* Data (EDID) structure which is present in all monitors. All content in this
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* file is agnostic of communication interface protocol.
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*
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* @note None.
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*
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* <pre>
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* MODIFICATION HISTORY:
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*
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* Ver Who Date Changes
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* ----- ---- -------- -----------------------------------------------
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* 1.0 als 11/09/14 Initial release.
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* </pre>
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*
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*******************************************************************************/
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/******************************* Include Files ********************************/
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#include "xedid.h"
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/**************************** Function Prototypes *****************************/
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static float XVid_CalculatePower(float Base, u8 Power);
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static float XVid_CalculateBinaryFraction(u16 Val, u8 DecPtIndex);
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/**************************** Function Definitions ****************************/
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void XEDID_GET_VPI_ID_MAN_NAME(u8 *EdidRaw, char ManName[4])
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{
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ManName[0] = 0x40 + ((EdidRaw[XEDID_VPI_ID_MAN_NAME0] &
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XEDID_VPI_ID_MAN_NAME0_CHAR0_MASK) >>
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XEDID_VPI_ID_MAN_NAME0_CHAR0_SHIFT);
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ManName[1] = 0x40 + (((EdidRaw[XEDID_VPI_ID_MAN_NAME0] &
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XEDID_VPI_ID_MAN_NAME0_CHAR1_MASK) <<
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XEDID_VPI_ID_MAN_NAME0_CHAR1_POS) |
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(EdidRaw[XEDID_VPI_ID_MAN_NAME1] >>
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XEDID_VPI_ID_MAN_NAME1_CHAR1_SHIFT));
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ManName[2] = 0x40 + (EdidRaw[XEDID_VPI_ID_MAN_NAME1] &
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XEDID_VPI_ID_MAN_NAME1_CHAR2_MASK);
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ManName[3] = '\0';
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}
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u8 XEDID_GET_BDISP_VID_DIG_BPC(u8 *EdidRaw)
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{
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u8 Bpc;
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switch (((EdidRaw[XEDID_BDISP_VID] & XEDID_BDISP_VID_DIG_BPC_MASK) >>
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XEDID_BDISP_VID_DIG_BPC_SHIFT)) {
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case XEDID_BDISP_VID_DIG_BPC_6:
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Bpc = 6;
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break;
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case XEDID_BDISP_VID_DIG_BPC_8:
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Bpc = 8;
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break;
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case XEDID_BDISP_VID_DIG_BPC_10:
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Bpc = 10;
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break;
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case XEDID_BDISP_VID_DIG_BPC_12:
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Bpc = 12;
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break;
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case XEDID_BDISP_VID_DIG_BPC_14:
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Bpc = 14;
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break;
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case XEDID_BDISP_VID_DIG_BPC_16:
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Bpc = 16;
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break;
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default:
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Bpc = XEDID_BDISP_VID_DIG_BPC_UNDEF;
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break;
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}
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return Bpc;
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}
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float XEDID_GET_CC_REDX(u8 *EdidRaw)
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{
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return XVid_CalculateBinaryFraction((EdidRaw[XEDID_CC_REDX_HIGH] <<
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XEDID_CC_HIGH_SHIFT) | (EdidRaw[XEDID_CC_RG_LOW] >>
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XEDID_CC_RBX_LOW_SHIFT), 9);
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}
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float XEDID_GET_CC_REDY(u8 *EdidRaw)
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{
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return XVid_CalculateBinaryFraction((EdidRaw[XEDID_CC_REDY_HIGH] <<
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XEDID_CC_HIGH_SHIFT) | ((EdidRaw[XEDID_CC_RG_LOW] &
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XEDID_CC_RBY_LOW_MASK) >> XEDID_CC_RBY_LOW_SHIFT), 9);
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}
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float XEDID_GET_CC_GREENX(u8 *EdidRaw)
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{
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return XVid_CalculateBinaryFraction((EdidRaw[XEDID_CC_GREENX_HIGH] <<
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XEDID_CC_HIGH_SHIFT) | ((EdidRaw[XEDID_CC_RG_LOW] &
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XEDID_CC_GWX_LOW_MASK) >> XEDID_CC_GWX_LOW_SHIFT), 9);
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}
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float XEDID_GET_CC_GREENY(u8 *EdidRaw)
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{
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return XVid_CalculateBinaryFraction((EdidRaw[XEDID_CC_GREENY_HIGH] <<
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XEDID_CC_HIGH_SHIFT) | (EdidRaw[XEDID_CC_RG_LOW] &
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XEDID_CC_GWY_LOW_MASK), 9);
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}
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float XEDID_GET_CC_BLUEX(u8 *EdidRaw)
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{
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return XVid_CalculateBinaryFraction((EdidRaw[XEDID_CC_BLUEX_HIGH] <<
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XEDID_CC_HIGH_SHIFT) | (EdidRaw[XEDID_CC_BW_LOW] >>
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XEDID_CC_RBX_LOW_SHIFT), 9);
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}
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float XEDID_GET_CC_BLUEY(u8 *EdidRaw)
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{
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return XVid_CalculateBinaryFraction((EdidRaw[XEDID_CC_BLUEY_HIGH] <<
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XEDID_CC_HIGH_SHIFT) | ((EdidRaw[XEDID_CC_BW_LOW] &
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XEDID_CC_RBY_LOW_MASK) >> XEDID_CC_RBY_LOW_SHIFT), 9);
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}
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float XEDID_GET_CC_WHITEX(u8 *EdidRaw)
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{
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return XVid_CalculateBinaryFraction((EdidRaw[XEDID_CC_WHITEX_HIGH] <<
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XEDID_CC_HIGH_SHIFT) | ((EdidRaw[XEDID_CC_BW_LOW] &
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XEDID_CC_GWX_LOW_MASK) >> XEDID_CC_GWX_LOW_SHIFT), 9);
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}
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float XEDID_GET_CC_WHITEY(u8 *EdidRaw)
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{
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return XVid_CalculateBinaryFraction((EdidRaw[XEDID_CC_WHITEY_HIGH] <<
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XEDID_CC_HIGH_SHIFT) | (EdidRaw[XEDID_CC_BW_LOW] &
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XEDID_CC_GWY_LOW_MASK), 9);
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}
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u16 XEDID_GET_STD_TIMINGS_V(u8 *EdidRaw, u8 StdTimingsNum)
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{
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u16 V;
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switch (XEDID_GET_STD_TIMINGS_AR(EdidRaw, StdTimingsNum)) {
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case XEDID_STD_TIMINGS_AR_16_10:
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V = (10 * XEDID_GET_STD_TIMINGS_H(EdidRaw, StdTimingsNum)) / 16;
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break;
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case XEDID_STD_TIMINGS_AR_4_3:
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V = (3 * XEDID_GET_STD_TIMINGS_H(EdidRaw, StdTimingsNum)) / 4;
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break;
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case XEDID_STD_TIMINGS_AR_5_4:
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V = (4 * XEDID_GET_STD_TIMINGS_H(EdidRaw, StdTimingsNum)) / 5;
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break;
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default:
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V = (9 * XEDID_GET_STD_TIMINGS_H(EdidRaw, StdTimingsNum)) / 16;
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break;
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}
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return V;
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}
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/******************************************************************************/
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/**
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* Perform a power operation.
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*
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* @param Base is b in the power operation, b^n.
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* @param Power is n in the power operation, b^n.
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*
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* @return Base^Power (Base to the power of Power).
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*
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* @note None.
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*
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*******************************************************************************/
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static float XVid_CalculatePower(float Base, u8 Power)
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{
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u8 Index;
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float Res = 1.0;
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for (Index = 0; Index < Power; Index++) {
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Res *= Base;
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}
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return Res;
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}
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/******************************************************************************/
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/**
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* Convert a fractional binary number into a decimal number. Binary digits to
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* the right of the decimal point represent 2^-1 to 2^-(DecPtIndex+1). Binary
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* digits to the left of the decimal point represent 2^0, 2^1, etc.
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*
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* @param Val is the binary representation of the fraction.
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* @param DecPtIndex is the index of the decimal point in the binary
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* number. The decimal point is between the binary digits at Val's
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* indices (DecPtIndex) and (DecPtIndex + 1).
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*
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* @return Base^Power (Base to the power of Power).
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*
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* @note None.
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*
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*******************************************************************************/
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static float XVid_CalculateBinaryFraction(u16 Val, u8 DecPtIndex)
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{
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int Index;
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float Res;
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for (Index = DecPtIndex, Res = 0; Index >= 0; Index--) {
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if (((Val >> Index) & 0x1) == 1) {
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Res += XVid_CalculatePower(0.5, DecPtIndex - Index + 1);
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}
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}
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return (Val >> (DecPtIndex + 1)) + Res;
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}
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371
XilinxProcessorIPLib/drivers/video_common/src/xedid.h
Normal file
371
XilinxProcessorIPLib/drivers/video_common/src/xedid.h
Normal file
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@ -0,0 +1,371 @@
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/*******************************************************************************
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*
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* Copyright (C) 2014 Xilinx, Inc. All rights reserved.
|
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
* of this software and associated documentation files (the "Software"), to deal
|
||||
* in the Software without restriction, including without limitation the rights
|
||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
* copies of the Software, and to permit persons to whom the Software is
|
||||
* furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in
|
||||
* all copies or substantial portions of the Software.
|
||||
*
|
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* Use of the Software is limited solely to applications:
|
||||
* (a) running on a Xilinx device, or
|
||||
* (b) that interact with a Xilinx device through a bus or interconnect.
|
||||
*
|
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
* XILINX CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
|
||||
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
|
||||
* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
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* SOFTWARE.
|
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*
|
||||
* Except as contained in this notice, the name of the Xilinx shall not be used
|
||||
* in advertising or otherwise to promote the sale, use or other dealings in
|
||||
* this Software without prior written authorization from Xilinx.
|
||||
*
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*******************************************************************************/
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/******************************************************************************/
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/**
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*
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* @file xedid.h
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*
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* Contains macros, definitions, and function declarations related to the
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* Extended Display Identification Data (EDID) structure which is present in all
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* monitors. All content in this file is agnostic of communication interface
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* protocol.
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*
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* @note None.
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*
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* <pre>
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* MODIFICATION HISTORY:
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*
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* Ver Who Date Changes
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* ----- ---- -------- -----------------------------------------------
|
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* 1.0 als 11/09/14 Initial release.
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* </pre>
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*
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*******************************************************************************/
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#ifndef XEDID_H_
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/* Prevent circular inclusions by using protection macros. */
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#define XEDID_H_
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/******************************* Include Files ********************************/
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#include "xil_types.h"
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/************************** Constant Definitions ******************************/
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/** @name Address mapping for the base EDID block.
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* @{
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*/
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#define XEDID_HEADER 0x00
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/* Vendor and product identification. */
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#define XEDID_VPI_ID_MAN_NAME0 0x08
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#define XEDID_VPI_ID_MAN_NAME1 0x09
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#define XEDID_VPI_ID_PROD_CODE_LSB 0x0A
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#define XEDID_VPI_ID_PROD_CODE_MSB 0x0B
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#define XEDID_VPI_ID_SN0 0x0C
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#define XEDID_VPI_ID_SN1 0x0D
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#define XEDID_VPI_ID_SN2 0x0E
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#define XEDID_VPI_ID_SN3 0x0F
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#define XEDID_VPI_WEEK_MAN 0x10
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#define XEDID_VPI_YEAR 0x11
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/* EDID structure version and revision. */
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#define XEDID_STRUCT_VER 0x12
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#define XEDID_STRUCT_REV 0x13
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/* Basic display parameters and features. */
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#define XEDID_BDISP_VID 0x14
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#define XEDID_BDISP_H_SSAR 0x15
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#define XEDID_BDISP_V_SSAR 0x16
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#define XEDID_BDISP_GAMMA 0x17
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#define XEDID_BDISP_FEATURE 0x18
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/* Color characterisitics (display x,y chromaticity coordinates). */
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#define XEDID_CC_RG_LOW 0x19
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#define XEDID_CC_BW_LOW 0x1A
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#define XEDID_CC_REDX_HIGH 0x1B
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#define XEDID_CC_REDY_HIGH 0x1C
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#define XEDID_CC_GREENX_HIGH 0x1D
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#define XEDID_CC_GREENY_HIGH 0x1E
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#define XEDID_CC_BLUEX_HIGH 0x1F
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#define XEDID_CC_BLUEY_HIGH 0x20
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#define XEDID_CC_WHITEX_HIGH 0x21
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#define XEDID_CC_WHITEY_HIGH 0x22
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/* Established timings. */
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#define XEDID_EST_TIMINGS_I 0x23
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#define XEDID_EST_TIMINGS_II 0x24
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#define XEDID_EST_TIMINGS_MAN 0x25
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/* Standard timings. */
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#define XEDID_STD_TIMINGS_H(N) (0x26 + 2 * (N - 1))
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#define XEDID_STD_TIMINGS_AR_FRR(N) (0x27 + 2 * (N - 1))
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/* Extension block count. */
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#define XEDID_EXT_BLK_COUNT 0x7E
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/* Checksum. */
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#define XEDID_CHECKSUM 0x7F
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/* @} */
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/******************************************************************************/
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/** @name DPTX core masks, shifts, and register values.
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* @{
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*/
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#define XEDID_VPI_ID_MAN_NAME0_CHAR0_SHIFT 2
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#define XEDID_VPI_ID_MAN_NAME0_CHAR0_MASK (0x1F << 2)
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#define XEDID_VPI_ID_MAN_NAME0_CHAR1_MASK 0x03
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#define XEDID_VPI_ID_MAN_NAME0_CHAR1_POS 3
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#define XEDID_VPI_ID_MAN_NAME1_CHAR1_SHIFT 5
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#define XEDID_VPI_ID_MAN_NAME1_CHAR2_MASK 0x1F
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/* Basic display parameters and features: Video input definition. */
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#define XEDID_BDISP_VID_VSI_SHIFT 7
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#define XEDID_BDISP_VID_VSI_MASK (0x01 << 7)
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#define XEDID_BDISP_VID_ANA_SLS_SHIFT 5
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#define XEDID_BDISP_VID_ANA_SLS_MASK (0x03 << 5)
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#define XEDID_BDISP_VID_ANA_SLS_0700_0300_1000 0x0
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#define XEDID_BDISP_VID_ANA_SLS_0714_0286_1000 0x1
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#define XEDID_BDISP_VID_ANA_SLS_1000_0400_1400 0x2
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#define XEDID_BDISP_VID_ANA_SLS_0700_0000_0700 0x3
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#define XEDID_BDISP_VID_ANA_VID_SETUP_MASK (0x01 << 4)
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#define XEDID_BDISP_VID_ANA_SEP_SYNC_HV_MASK (0x01 << 3)
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#define XEDID_BDISP_VID_ANA_COMP_SYNC_H_MASK (0x01 << 2)
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#define XEDID_BDISP_VID_ANA_COMP_SYNC_G_MASK (0x01 << 1)
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#define XEDID_BDISP_VID_ANA_SERR_V_SYNC_MASK (0x01)
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#define XEDID_BDISP_VID_DIG_BPC_SHIFT 4
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#define XEDID_BDISP_VID_DIG_BPC_MASK (0x7 << 4)
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#define XEDID_BDISP_VID_DIG_BPC_UNDEF 0x0
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#define XEDID_BDISP_VID_DIG_BPC_6 0x1
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#define XEDID_BDISP_VID_DIG_BPC_8 0x2
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#define XEDID_BDISP_VID_DIG_BPC_10 0x3
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#define XEDID_BDISP_VID_DIG_BPC_12 0x4
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#define XEDID_BDISP_VID_DIG_BPC_14 0x5
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#define XEDID_BDISP_VID_DIG_BPC_16 0x6
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#define XEDID_BDISP_VID_DIG_VIS_MASK 0xF
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#define XEDID_BDISP_VID_DIG_VIS_UNDEF 0x0
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#define XEDID_BDISP_VID_DIG_VIS_DVI 0x1
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#define XEDID_BDISP_VID_DIG_VIS_HDMIA 0x2
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#define XEDID_BDISP_VID_DIG_VIS_HDMIB 0x3
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#define XEDID_BDISP_VID_DIG_VIS_MDDI 0x4
|
||||
#define XEDID_BDISP_VID_DIG_VIS_DP 0x5
|
||||
|
||||
/* Basic display parameters and features: Feature support. */
|
||||
#define XEDID_BDISP_FEATURE_PM_STANDBY_MASK (0x1 << 7)
|
||||
#define XEDID_BDISP_FEATURE_PM_SUSPEND_MASK (0x1 << 6)
|
||||
#define XEDID_BDISP_FEATURE_PM_OFF_VLP_MASK (0x1 << 5)
|
||||
#define XEDID_BDISP_FEATURE_ANA_COLORTYPE_SHIFT 3
|
||||
#define XEDID_BDISP_FEATURE_ANA_COLORTYPE_MASK (0x3 << 3)
|
||||
#define XEDID_BDISP_FEATURE_ANA_COLORTYPE_MCG 0x0
|
||||
#define XEDID_BDISP_FEATURE_ANA_COLORTYPE_RGB 0x1
|
||||
#define XEDID_BDISP_FEATURE_ANA_COLORTYPE_NRGB 0x2
|
||||
#define XEDID_BDISP_FEATURE_ANA_COLORTYPE_UNDEF 0x3
|
||||
#define XEDID_BDISP_FEATURE_DIG_COLORENC_YCRCB444_MASK (0x1 << 3)
|
||||
#define XEDID_BDISP_FEATURE_DIG_COLORENC_YCRCB422_MASK (0x1 << 4)
|
||||
#define XEDID_BDISP_FEATURE_SRGB_DEF_MASK (0x1 << 2)
|
||||
#define XEDID_BDISP_FEATURE_PTM_INC_MASK (0x1 << 1)
|
||||
#define XEDID_BDISP_FEATURE_CONTFREQ_MASK (0x1)
|
||||
|
||||
/* Color characterisitics (display x,y chromaticity coordinates). */
|
||||
#define XEDID_CC_HIGH_SHIFT 2
|
||||
#define XEDID_CC_RBX_LOW_SHIFT 6
|
||||
#define XEDID_CC_RBY_LOW_SHIFT 4
|
||||
#define XEDID_CC_RBY_LOW_MASK (0x3 << 4)
|
||||
#define XEDID_CC_GWX_LOW_SHIFT 2
|
||||
#define XEDID_CC_GWX_LOW_MASK (0x3 << 2)
|
||||
#define XEDID_CC_GWY_LOW_MASK (0x3)
|
||||
#define XEDID_CC_GREENY_HIGH 0x1E
|
||||
#define XEDID_CC_BLUEX_HIGH 0x1F
|
||||
#define XEDID_CC_BLUEY_HIGH 0x20
|
||||
#define XEDID_CC_WHITEX_HIGH 0x21
|
||||
#define XEDID_CC_WHITEY_HIGH 0x22
|
||||
|
||||
/* Established timings. */
|
||||
#define XEDID_EST_TIMINGS_I_720x400_70_MASK (0x1 << 7)
|
||||
#define XEDID_EST_TIMINGS_I_720x400_88_MASK (0x1 << 6)
|
||||
#define XEDID_EST_TIMINGS_I_640x480_60_MASK (0x1 << 5)
|
||||
#define XEDID_EST_TIMINGS_I_640x480_67_MASK (0x1 << 4)
|
||||
#define XEDID_EST_TIMINGS_I_640x480_72_MASK (0x1 << 3)
|
||||
#define XEDID_EST_TIMINGS_I_640x480_75_MASK (0x1 << 2)
|
||||
#define XEDID_EST_TIMINGS_I_800x600_56_MASK (0x1 << 1)
|
||||
#define XEDID_EST_TIMINGS_I_800x600_60_MASK (0x1)
|
||||
#define XEDID_EST_TIMINGS_II_800x600_72_MASK (0x1 << 7)
|
||||
#define XEDID_EST_TIMINGS_II_800x600_75_MASK (0x1 << 6)
|
||||
#define XEDID_EST_TIMINGS_II_832x624_75_MASK (0x1 << 5)
|
||||
#define XEDID_EST_TIMINGS_II_1024x768_87_MASK (0x1 << 4)
|
||||
#define XEDID_EST_TIMINGS_II_1024x768_60_MASK (0x1 << 3)
|
||||
#define XEDID_EST_TIMINGS_II_1024x768_70_MASK (0x1 << 2)
|
||||
#define XEDID_EST_TIMINGS_II_1024x768_75_MASK (0x1 << 1)
|
||||
#define XEDID_EST_TIMINGS_II_1280x1024_75_MASK (0x1)
|
||||
#define XEDID_EST_TIMINGS_MAN_1152x870_75_MASK (0x1 << 7)
|
||||
#define XEDID_EST_TIMINGS_MAN_MASK (0x7F)
|
||||
|
||||
/* Standard timings. */
|
||||
#define XEDID_STD_TIMINGS_AR_SHIFT 6
|
||||
#define XEDID_STD_TIMINGS_AR_16_10 0x0
|
||||
#define XEDID_STD_TIMINGS_AR_4_3 0x1
|
||||
#define XEDID_STD_TIMINGS_AR_5_4 0x2
|
||||
#define XEDID_STD_TIMINGS_AR_16_9 0x3
|
||||
#define XEDID_STD_TIMINGS_FRR_MASK (0x3F)
|
||||
/* @} */
|
||||
|
||||
/******************* Macros (Inline Functions) Definitions ********************/
|
||||
|
||||
#define XEDID_IS_HEADER_VALID(E) \
|
||||
!memcmp(E, "\x00\xFF\xFF\xFF\xFF\xFF\xFF\x00", 8)
|
||||
|
||||
/* Vendor and product identification: ID manufacturer name. */
|
||||
void XEDID_GET_VPI_ID_MAN_NAME(u8 *EdidRaw, char ManName[4]);
|
||||
/* Vendor and product identification: ID product code. */
|
||||
#define XEDID_GET_VPI_ID_PROD_CODE(E) \
|
||||
((u16)((E[XEDID_VPI_ID_PROD_CODE_MSB] << 8) | \
|
||||
E[XEDID_VPI_ID_PROD_CODE_LSB]))
|
||||
/* Vendor and product identification: ID serial number. */
|
||||
#define XEDID_GET_VPI_SN(E) \
|
||||
((u32)((E[XEDID_VPI_ID_SN3] << 24) | (E[XEDID_VPI_ID_SN2] << 16) | \
|
||||
(E[XEDID_VPI_ID_SN1] << 8) | E[XEDID_VPI_ID_SN0]))
|
||||
/* Vendor and product identification: Week and year of manufacture or model
|
||||
* year. */
|
||||
#define XEDID_GET_VPI_WEEK_MAN(E) (E[XEDID_VPI_WEEK_MAN])
|
||||
#define XEDID_GET_VPI_YEAR(E) (E[XEDID_VPI_YEAR] + 1990)
|
||||
#define XEDID_IS_VPI_YEAR_MODEL(E) (XEDID_GET_VPI_WEEK_MAN(E) == 0xFF)
|
||||
#define XEDID_IS_VPI_YEAR_MAN(E) (XEDID_GET_VPI_WEEK_MAN(E) != 0xFF)
|
||||
|
||||
/* EDID structure version and revision. */
|
||||
#define XEDID_GET_STRUCT_VER(E) (E[XEDID_STRUCT_VER])
|
||||
#define XEDID_GET_STRUCT_REV(E) (E[XEDID_STRUCT_REV])
|
||||
|
||||
/* Basic display parameters and features: Video input definition. */
|
||||
#define XEDID_IS_BDISP_VID_VSI_DIGITAL(E) \
|
||||
((E[XEDID_BDISP_VID] & XEDID_BDISP_VID_VSI_MASK) != 0)
|
||||
#define XEDID_IS_BDISP_VID_VSI_ANALOG(E) \
|
||||
((E[XEDID_BDISP_VID] & XEDID_BDISP_VID_VSI_MASK) == 0)
|
||||
#define XEDID_GET_BDISP_VID_ANA_SLS(E) \
|
||||
((E[XEDID_BDISP_VID] & XEDID_BDISP_VID_ANA_SLS_MASK) >> \
|
||||
XEDID_BDISP_VID_ANA_SLS_SHIFT)
|
||||
#define XEDID_SUPP_BDISP_VID_ANA_VID_SETUP(E) \
|
||||
((E[XEDID_BDISP_VID] & XEDID_BDISP_VID_ANA_VID_SETUP_MASK) != 0)
|
||||
#define XEDID_SUPP_BDISP_VID_ANA_SEP_SYNC_HV(E) \
|
||||
((E[XEDID_BDISP_VID] & XEDID_BDISP_VID_ANA_SEP_SYNC_HV_MASK) != 0)
|
||||
#define XEDID_SUPP_BDISP_VID_ANA_COMP_SYNC_H(E) \
|
||||
((E[XEDID_BDISP_VID] & XEDID_BDISP_VID_ANA_COMP_SYNC_H_MASK) != 0)
|
||||
#define XEDID_SUPP_BDISP_VID_ANA_COMP_SYNC_G(E) \
|
||||
((E[XEDID_BDISP_VID] & XEDID_BDISP_VID_ANA_COMP_SYNC_G_MASK) != 0)
|
||||
#define XEDID_SUPP_BDISP_VID_ANA_SERR_V_SYNC(E) \
|
||||
((E[XEDID_BDISP_VID] & XEDID_BDISP_VID_ANA_SERR_V_SYNC_MASK) != 0)
|
||||
u8 XEDID_GET_BDISP_VID_DIG_BPC(u8 *EdidRaw);
|
||||
#define XEDID_GET_BDISP_VID_DIG_VIS(E) \
|
||||
(E[XEDID_BDISP_VID] & XEDID_BDISP_VID_DIG_VIS_MASK)
|
||||
|
||||
/* Basic display parameters and features: Horizontal and vertical screen size or
|
||||
* aspect ratio. */
|
||||
#define XEDID_IS_BDISP_SSAR_DEFINED(E) \
|
||||
((E[XEDID_BDISP_H_SSAR] | E[XEDID_BDISP_V_SSAR]) != 0)
|
||||
#define XEDID_GET_BDISP_SSAR_H(E) E[XEDID_BDISP_H_SSAR]
|
||||
#define XEDID_GET_BDISP_SSAR_V(E) E[XEDID_BDISP_V_SSAR]
|
||||
#define XEDID_IS_BDISP_SSAR_SS(E) \
|
||||
((XEDID_GET_BDISP_SSAR_H(E) != 0) && (XEDID_GET_BDISP_SSAR_V(E) != 0))
|
||||
#define XEDID_IS_BDISP_SSAR_AR_L(E) \
|
||||
((XEDID_GET_BDISP_SSAR_H(E) != 0) && (XEDID_GET_BDISP_SSAR_V(E) == 0))
|
||||
#define XEDID_IS_BDISP_SSAR_AR_P(E) \
|
||||
((XEDID_GET_BDISP_SSAR_H(E) == 0) && (XEDID_GET_BDISP_SSAR_V(E) != 0))
|
||||
#define XEDID_GET_BDISP_SSAR_AR_L(E) \
|
||||
((float)((XEDID_GET_BDISP_SSAR_H(E) + 99.0) / 100.0))
|
||||
#define XEDID_GET_BDISP_SSAR_AR_P(E) \
|
||||
((float)(100.0 / (XEDID_GET_BDISP_SSAR_V(E) + 99.0)))
|
||||
|
||||
/* Basic display parameters and features: Gamma. */
|
||||
#define XEDID_IS_BDISP_GAMMA_IN_EXT(E) (E[XEDID_BDISP_GAMMA] == 0xFF)
|
||||
#define XEDID_GET_BDISP_GAMMA(E) \
|
||||
((float)((E[XEDID_BDISP_GAMMA] + 100.0) / 100.0))
|
||||
|
||||
/* Basic display parameters and features: Feature support. */
|
||||
#define XEDID_SUPP_BDISP_FEATURE_PM_STANDBY(E) \
|
||||
((E[XEDID_BDISP_FEATURE] & XEDID_BDISP_FEATURE_PM_STANDBY_MASK) != 0)
|
||||
#define XEDID_SUPP_BDISP_FEATURE_PM_SUSPEND(E) \
|
||||
((E[XEDID_BDISP_FEATURE] & XEDID_BDISP_FEATURE_PM_SUSPEND_MASK) != 0)
|
||||
#define XEDID_SUPP_BDISP_FEATURE_PM_OFF_VLP(E) \
|
||||
((E[XEDID_BDISP_FEATURE] & XEDID_BDISP_FEATURE_PM_OFF_VLP_MASK) != 0)
|
||||
#define XEDID_GET_BDISP_FEATURE_ANA_COLORTYPE(E) \
|
||||
((E[XEDID_BDISP_FEATURE] & XEDID_BDISP_FEATURE_ANA_COLORTYPE_MASK) >> \
|
||||
XEDID_BDISP_FEATURE_ANA_COLORTYPE_SHIFT)
|
||||
#define XEDID_SUPP_BDISP_FEATURE_DIG_COLORENC_YCRCB444(E) \
|
||||
((E[XEDID_BDISP_FEATURE] & \
|
||||
XEDID_BDISP_FEATURE_DIG_COLORENC_YCRCB444_MASK) != 0)
|
||||
#define XEDID_SUPP_BDISP_FEATURE_DIG_COLORENC_YCRCB422(E) \
|
||||
((E[XEDID_BDISP_FEATURE] & \
|
||||
XEDID_BDISP_FEATURE_DIG_COLORENC_YCRCB422_MASK) != 0)
|
||||
#define XEDID_IS_BDISP_FEATURE_SRGB_DEF(E) \
|
||||
((E[XEDID_BDISP_FEATURE] & XEDID_BDISP_FEATURE_SRGB_DEF_MASK) != 0)
|
||||
#define XEDID_IS_BDISP_FEATURE_PTM_INC(E) \
|
||||
((E[XEDID_BDISP_FEATURE] & XEDID_BDISP_FEATURE_PTM_INC_MASK) != 0)
|
||||
#define XEDID_IS_BDISP_FEATURE_CONTFREQ(E) \
|
||||
((E[XEDID_BDISP_FEATURE] & XEDID_BDISP_FEATURE_CONTFREQ_MASK) != 0)
|
||||
|
||||
/* Color characterisitics (display x,y chromaticity coordinates). */
|
||||
float XEDID_GET_CC_REDX(u8 *EdidRaw);
|
||||
float XEDID_GET_CC_REDY(u8 *EdidRaw);
|
||||
float XEDID_GET_CC_GREENX(u8 *EdidRaw);
|
||||
float XEDID_GET_CC_GREENY(u8 *EdidRaw);
|
||||
float XEDID_GET_CC_BLUEX(u8 *EdidRaw);
|
||||
float XEDID_GET_CC_BLUEY(u8 *EdidRaw);
|
||||
float XEDID_GET_CC_WHITEX(u8 *EdidRaw);
|
||||
float XEDID_GET_CC_WHITEY(u8 *EdidRaw);
|
||||
|
||||
/* Established timings. */
|
||||
#define XEDID_SUPP_EST_TIMINGS_720x400_70(E) \
|
||||
((E[XEDID_EST_TIMINGS_I] & XEDID_EST_TIMINGS_I_720x400_70_MASK) != 0)
|
||||
#define XEDID_SUPP_EST_TIMINGS_720x400_88(E) \
|
||||
((E[XEDID_EST_TIMINGS_I] & XEDID_EST_TIMINGS_I_720x400_88_MASK) != 0)
|
||||
#define XEDID_SUPP_EST_TIMINGS_640x480_60(E) \
|
||||
((E[XEDID_EST_TIMINGS_I] & XEDID_EST_TIMINGS_I_640x480_60_MASK) != 0)
|
||||
#define XEDID_SUPP_EST_TIMINGS_640x480_67(E) \
|
||||
((E[XEDID_EST_TIMINGS_I] & XEDID_EST_TIMINGS_I_640x480_67_MASK) != 0)
|
||||
#define XEDID_SUPP_EST_TIMINGS_640x480_72(E) \
|
||||
((E[XEDID_EST_TIMINGS_I] & XEDID_EST_TIMINGS_I_640x480_72_MASK) != 0)
|
||||
#define XEDID_SUPP_EST_TIMINGS_640x480_75(E) \
|
||||
((E[XEDID_EST_TIMINGS_I] & XEDID_EST_TIMINGS_I_640x480_75_MASK) != 0)
|
||||
#define XEDID_SUPP_EST_TIMINGS_800x600_56(E) \
|
||||
((E[XEDID_EST_TIMINGS_I] & XEDID_EST_TIMINGS_I_800x600_56_MASK) != 0)
|
||||
#define XEDID_SUPP_EST_TIMINGS_800x600_60(E) \
|
||||
((E[XEDID_EST_TIMINGS_I] & XEDID_EST_TIMINGS_I_800x600_60_MASK) != 0)
|
||||
#define XEDID_SUPP_EST_TIMINGS_800x600_72(E) \
|
||||
((E[XEDID_EST_TIMINGS_II] & XEDID_EST_TIMINGS_II_800x600_72_MASK) != 0)
|
||||
#define XEDID_SUPP_EST_TIMINGS_800x600_75(E) \
|
||||
((E[XEDID_EST_TIMINGS_II] & XEDID_EST_TIMINGS_II_800x600_75_MASK) != 0)
|
||||
#define XEDID_SUPP_EST_TIMINGS_832x624_75(E) \
|
||||
((E[XEDID_EST_TIMINGS_II] & XEDID_EST_TIMINGS_II_832x624_75_MASK) != 0)
|
||||
#define XEDID_SUPP_EST_TIMINGS_1024x768_87(E) \
|
||||
((E[XEDID_EST_TIMINGS_II] & XEDID_EST_TIMINGS_II_1024x768_87_MASK) != 0)
|
||||
#define XEDID_SUPP_EST_TIMINGS_1024x768_60(E) \
|
||||
((E[XEDID_EST_TIMINGS_II] & XEDID_EST_TIMINGS_II_1024x768_60_MASK) != 0)
|
||||
#define XEDID_SUPP_EST_TIMINGS_1024x768_70(E) \
|
||||
((E[XEDID_EST_TIMINGS_II] & XEDID_EST_TIMINGS_II_1024x768_70_MASK) != 0)
|
||||
#define XEDID_SUPP_EST_TIMINGS_1024x768_75(E) \
|
||||
((E[XEDID_EST_TIMINGS_II] & XEDID_EST_TIMINGS_II_1024x768_75_MASK) != 0)
|
||||
#define XEDID_SUPP_EST_TIMINGS_1280x1024_75(E) \
|
||||
((E[XEDID_EST_TIMINGS_II] & \
|
||||
XEDID_EST_TIMINGS_II_1280x1024_75_MASK) != 0)
|
||||
#define XEDID_SUPP_EST_TIMINGS_1152x870_75(E) \
|
||||
((E[XEDID_EST_TIMINGS_MAN] & \
|
||||
XEDID_EST_TIMINGS_MAN_1152x870_75_MASK) != 0)
|
||||
#define XEDID_GET_TIMINGS_MAN(E) \
|
||||
(E[XEDID_EST_TIMINGS_MAN] & XEDID_EST_TIMINGS_MAN_MASK)
|
||||
|
||||
/* Standard timings. */
|
||||
#define XEDID_GET_STD_TIMINGS_H(E, N) ((E[XEDID_STD_TIMINGS_H(N)] + 31) * 8)
|
||||
#define XEDID_GET_STD_TIMINGS_AR(E, N) \
|
||||
(E[XEDID_STD_TIMINGS_AR_FRR(N)] >> XEDID_STD_TIMINGS_AR_SHIFT)
|
||||
#define XEDID_GET_STD_TIMINGS_FRR(E, N) \
|
||||
((E[XEDID_STD_TIMINGS_AR_FRR(N)] & XEDID_STD_TIMINGS_FRR_MASK) + 60)
|
||||
u16 XEDID_GET_STD_TIMINGS_V(u8 *EdidRaw, u8 StdTimingsNum);
|
||||
|
||||
/* Extension block count. */
|
||||
#define XEDID_GET_EXT_BLK_COUNT(E) (E[XEDID_EXT_BLK_COUNT])
|
||||
|
||||
/* Checksum. */
|
||||
#define XEDID_GET_CHECKSUM(E) (E[XEDID_CHECKSUM])
|
||||
|
||||
#endif /* XEDID_H_ */
|
||||
|
|
@ -54,6 +54,8 @@
|
|||
|
||||
/******************************* Include Files ********************************/
|
||||
|
||||
#include "xedid.h"
|
||||
|
||||
/****************************** Type Definitions ******************************/
|
||||
|
||||
/**
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue