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incubator-nuttx/video/videomode/edid_dump.c

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/****************************************************************************
* video/videomode/edid_dump.c
*
* Copyright (C) 2019 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Derives from logic in FreeBSD which has an compatible 2-clause BSD
* license:
*
* Copyright (c) 2006 Itronix Inc. All rights reserved.
* Written by Garrett D'Amore for Itronix Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE NETBSD FOUNDATION BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <sys/types.h>
#include <syslog.h>
#include <nuttx/video/videomode.h>
#include <nuttx/video/edid.h>
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: edid_dump
*
* Description:
* Dump the full content of the EDID
*
* Input Parameters:
* edid - The edid to be dumped
*
* Returned Value:
* None
*
****************************************************************************/
void edid_dump(FAR const struct edid_info_s *edid)
{
FAR const char *prefix;
int i;
if (edid == NULL)
{
return;
}
syslog(LOG_INFO, "%-16s[%s]\n",
"Manufacturer:", edid->edid_manufacturer);
syslog(LOG_INFO, "%-16s%u.%u\n",
"EDID Version:", edid->edid_version, edid->edid_revision);
syslog(LOG_INFO, "%-16s%02x\n",
"Video Input:", edid->edid_video_input);
if ((edid->edid_video_input & EDID_DISPLAY_INPUT_DIGITAL) != 0)
{
if ((edid->edid_video_input & EDID_DISPLAY_INPUT_DFP1_COMPAT) != 0)
{
syslog(LOG_INFO, "%-16s%s\n",
"", "Digital (DFP 1.x compatible)\n");
}
else
{
syslog(LOG_INFO, "%-16s%s\n",
"", "Digital");
}
}
else
{
switch (edid->edid_video_input & EDID_DISPLAY_INPUT_LEVELS_MASK)
{
case EDID_DISPLAY_INPUT_LEVEL_1:
syslog(LOG_INFO, "%-16s-0.7, 0.3V\n", "", "Analog:");
break;
case EDID_DISPLAY_INPUT_LEVEL_2:
syslog(LOG_INFO, "%-16s-0.714, 0.286V\n", "", "Analog:");
break;
case EDID_DISPLAY_INPUT_LEVEL_3:
syslog(LOG_INFO, "%-16s-1.0, 0.4V\n", "", "Analog:");
break;
case EDID_DISPLAY_INPUT_LEVEL_4:
syslog(LOG_INFO, "%-16s-0.7, 0.0V\n", "", "Analog:");
break;
}
if ((edid->edid_video_input & EDID_DISPLAY_INPUT_BLANK2BLACK) != 0)
{
syslog(LOG_INFO, "%-16sBlank-to-black setup\n", "");
}
if ((edid->edid_video_input & EDID_DISPLAY_INPUT_SYNC) != 0)
{
syslog(LOG_INFO, " %-16sSeperate syncs\n", "");
}
if ((edid->edid_video_input & EDID_DISPLAY_INPUT_COMPOSITE) != 0)
{
syslog(LOG_INFO, "%-16sComposite sync\n", "");
}
if ((edid->edid_video_input & EDID_DISPLAY_INPUT_GREEN) != 0)
{
syslog(LOG_INFO, "%-16sSync on green\n", "");
}
if ((edid->edid_video_input & EDID_DISPLAY_INPUT_VSERRATED) != 0)
{
syslog(LOG_INFO, "%-16sSerrated vsync\n", "");
}
}
syslog(LOG_INFO, "Max Size: %d cm x %d cm\n",
edid->edid_max_hsize, edid->edid_max_vsize);
syslog(LOG_INFO, "Gamma: %u.%02\n",
edid->edid_gamma / 100, edid->edid_gamma % 100);
syslog(LOG_INFO, "%-16s%02x\n",
"Features:", edid->edid_features);
if (edid->edid_features & EDID_DISPLAY_FEATURE_DPMSSTDBY)
{
syslog(LOG_INFO, "%-16sDPMS standby\n", "");
}
if (edid->edid_features & EDID_DISPLAY_FEATURE_DPMSSUSP)
{
syslog(LOG_INFO, "%-16sDPMS suspend\n", "");
}
if (edid->edid_features & EDID_DISPLAY_FEATURE_DPMSOFF)
{
syslog(LOG_INFO, "%-16sDPMS active-off\n", "");
}
switch (edid->edid_features & EDID_DISPLAY_FEATURE_DTYPE_MASK)
{
case EDID_ISPLAY_FEATURES_DTYPE_MONO:
syslog(LOG_INFO, "%-16sMonochrome\n", "");
break;
case EDID_ISPLAY_FEATURES_DTYPE_RGB:
syslog(LOG_INFO, "%-16sRGB\n", "");
break;
case EDID_ISPLAY_FEATURES_DTYPE_NON_RGB:
syslog(LOG_INFO, "%-16sMulticolor\n", "");
break;
case EDID_ISPLAY_FEATURES_DTYPE_UNDEFINED:
syslog(LOG_INFO, "%-16sUndefined monitor type\n", "");
break;
}
if (edid->edid_features & EDID_DISPLAY_FEATURE_STDRGB)
{
syslog(LOG_INFO, "%-16sStandard color space\n", "");
}
if (edid->edid_features & EDID_DISPLAY_FEATURE_MODE)
{
syslog(LOG_INFO, "%-16sPreferred timing\n", "");
}
if (edid->edid_features & EDID_DISPLAY_FEATURE_CONTINUOUS)
{
syslog(LOG_INFO, "%-16sDefault GTF supported\n", "");
}
syslog(LOG_INFO, "%-16s%d\n",
"Ext Blocks:", edid->edid_ext_block_count);
syslog(LOG_INFO, "%-16s%u\n",
"Product:", edid->edid_product);
syslog(LOG_INFO, "%-16s%lu\n",
"Serial No:", (unsigned long)edid->edid_serial);
syslog(LOG_INFO, "%-16sYear %d, Week %d\n",
"Manufactured:", edid->edid_year, edid->edid_week);
if (edid->edid_have_range)
{
syslog(LOG_INFO, "%-16sHorizontal: %d - %d kHz\n",
"Range:", edid->edid_range.er_min_hfreq,
edid->edid_range.er_max_hfreq);
syslog(LOG_INFO, "%-16sVertical: %d - %d Hz\n",
"", edid->edid_range.er_min_vfreq,
edid->edid_range.er_max_vfreq);
syslog(LOG_INFO, "%-16sMax Dot Clock: %d MHz\n",
"", edid->edid_range.er_max_clock);
if (edid->edid_range.er_have_gtf2)
{
syslog(LOG_INFO, "%-16sGTF2 hfreq: %d\n",
"", edid->edid_range.er_gtf2_hfreq);
syslog(LOG_INFO, "%-16sGTF2 C: %d\n",
"", edid->edid_range.er_gtf2_c);
syslog(LOG_INFO, "%-16sGTF2 M: %d\n",
"", edid->edid_range.er_gtf2_m);
syslog(LOG_INFO, "%-16sGTF2 J: %d\n",
"", edid->edid_range.er_gtf2_j);
syslog(LOG_INFO, "%-16sGTF2 K: %d\n",
"", edid->edid_range.er_gtf2_k);
}
}
syslog(LOG_INFO, "%-16sRed X: 0.%03d\n",
"Chroma Info:", edid->edid_chroma.ec_redx);
syslog(LOG_INFO, "%-16sRed Y: 0.%03d\n",
"", edid->edid_chroma.ec_redy);
syslog(LOG_INFO, "%-16sGrn X: 0.%03d\n",
"", edid->edid_chroma.ec_greenx);
syslog(LOG_INFO, "%-16sGrn Y: 0.%03d\n",
"", edid->edid_chroma.ec_greeny);
syslog(LOG_INFO, "%-16sBlu X: 0.%03d\n",
"", edid->edid_chroma.ec_bluex);
syslog(LOG_INFO, "%-16sBlu Y: 0.%03d\n",
"", edid->edid_chroma.ec_bluey);
syslog(LOG_INFO, "%-16sWht X: 0.%03d\n",
"", edid->edid_chroma.ec_whitex);
syslog(LOG_INFO, "%-16sWht Y: 0.%03d\n",
"", edid->edid_chroma.ec_whitey);
prefix = "Video modes: ";
for (i = 0; i < edid->edid_nmodes; i++)
{
videomode_dump(prefix, &edid->edid_modes[i], false);
prefix = " ";
}
if (edid->edid_preferred_mode)
{
prefix = "Preferred Mode: ";
videomode_dump(prefix, edid->edid_preferred_mode, true);
}
}
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