/**************************************************************************** * video/videomode/edid_dump.c * * Copyright (C) 2019 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * 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 #include #include #include #include /**************************************************************************** * 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%s-0.7, 0.3V\n", "", "Analog:"); break; case EDID_DISPLAY_INPUT_LEVEL_2: syslog(LOG_INFO, "%-16s%s-0.714, 0.286V\n", "", "Analog:"); break; case EDID_DISPLAY_INPUT_LEVEL_3: syslog(LOG_INFO, "%-16s%s-1.0, 0.4V\n", "", "Analog:"); break; case EDID_DISPLAY_INPUT_LEVEL_4: syslog(LOG_INFO, "%-16s%s-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, " %-16sSeparate 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.%02u\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); } }