aboutsummaryrefslogtreecommitdiff
path: root/xorg-server/hw/xfree86/ddc/print_edid.c
diff options
context:
space:
mode:
Diffstat (limited to 'xorg-server/hw/xfree86/ddc/print_edid.c')
-rw-r--r--xorg-server/hw/xfree86/ddc/print_edid.c489
1 files changed, 489 insertions, 0 deletions
diff --git a/xorg-server/hw/xfree86/ddc/print_edid.c b/xorg-server/hw/xfree86/ddc/print_edid.c
new file mode 100644
index 000000000..df11bfb3d
--- /dev/null
+++ b/xorg-server/hw/xfree86/ddc/print_edid.c
@@ -0,0 +1,489 @@
+/*
+ * Copyright 1998 by Egbert Eich <Egbert.Eich@Physik.TU-Darmstadt.DE>
+ * Copyright 2007 Red Hat, Inc.
+ *
+ * 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
+ * on the rights to use, copy, modify, merge, publish, distribute, sub
+ * license, and/or sell copies of the Software, and to permit persons to whom
+ * them Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTIBILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS 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.
+ *
+ * print_edid.c: print out all information retrieved from display device
+ */
+
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+/* XXX kinda gross */
+#define _PARSE_EDID_
+
+#include "misc.h"
+#include "xf86.h"
+#include "xf86_OSproc.h"
+#include "xf86DDC.h"
+#include "edid.h"
+
+#define EDID_WIDTH 16
+
+static void
+print_vendor(int scrnIndex, struct vendor *c)
+{
+ xf86DrvMsg(scrnIndex, X_INFO, "Manufacturer: %s Model: %x Serial#: %u\n",
+ (char *)&c->name, c->prod_id, c->serial);
+ xf86DrvMsg(scrnIndex, X_INFO, "Year: %u Week: %u\n", c->year, c->week);
+}
+
+static void
+print_version(int scrnIndex, struct edid_version *c)
+{
+ xf86DrvMsg(scrnIndex,X_INFO,"EDID Version: %u.%u\n",c->version,
+ c->revision);
+}
+
+static const char *digital_interfaces[] = {
+ "undefined",
+ "DVI",
+ "HDMI-a",
+ "HDMI-b",
+ "MDDI",
+ "DisplayPort",
+ "unknown"
+};
+
+static void
+print_input_features(int scrnIndex, struct disp_features *c,
+ struct edid_version *v)
+{
+ if (DIGITAL(c->input_type)) {
+ xf86DrvMsg(scrnIndex, X_INFO, "Digital Display Input\n");
+ if (v->revision == 2 || v->revision == 3) {
+ if (DFP1(c->input_dfp))
+ xf86DrvMsg(scrnIndex, X_INFO, "DFP 1.x compatible TMDS\n");
+ } else if (v->revision >= 4) {
+ int interface = c->input_interface;
+ int bpc = c->input_bpc;
+ if (interface > 6)
+ interface = 6; /* unknown */
+ if (bpc == 0 || bpc == 7)
+ xf86DrvMsg(scrnIndex, X_INFO, "Undefined color depth\n");
+ else
+ xf86DrvMsg(scrnIndex, X_INFO, "%d bits per channel\n",
+ bpc * 2 + 4);
+ xf86DrvMsg(scrnIndex, X_INFO, "Digital interface is %s\n",
+ digital_interfaces[interface]);
+ }
+ } else {
+ xf86DrvMsg(scrnIndex,X_INFO,"Analog Display Input, ");
+ xf86ErrorF("Input Voltage Level: ");
+ switch (c->input_voltage){
+ case V070:
+ xf86ErrorF("0.700/0.300 V\n");
+ break;
+ case V071:
+ xf86ErrorF("0.714/0.286 V\n");
+ break;
+ case V100:
+ xf86ErrorF("1.000/0.400 V\n");
+ break;
+ case V007:
+ xf86ErrorF("0.700/0.700 V\n");
+ break;
+ default:
+ xf86ErrorF("undefined\n");
+ }
+ if (SIG_SETUP(c->input_setup))
+ xf86DrvMsg(scrnIndex,X_INFO,"Signal levels configurable\n");
+ xf86DrvMsg(scrnIndex,X_INFO,"Sync:");
+ if (SEP_SYNC(c->input_sync))
+ xf86ErrorF(" Separate");
+ if (COMP_SYNC(c->input_sync))
+ xf86ErrorF(" Composite");
+ if (SYNC_O_GREEN(c->input_sync))
+ xf86ErrorF(" SyncOnGreen");
+ if (SYNC_SERR(c->input_sync))
+ xf86ErrorF("Serration on. "
+ "V.Sync Pulse req. if CompSync or SyncOnGreen\n");
+ else xf86ErrorF("\n");
+ }
+}
+
+static void
+print_dpms_features(int scrnIndex, struct disp_features *c,
+ struct edid_version *v)
+{
+ if (c->dpms) {
+ xf86DrvMsg(scrnIndex,X_INFO,"DPMS capabilities:");
+ if (DPMS_STANDBY(c->dpms)) xf86ErrorF(" StandBy");
+ if (DPMS_SUSPEND(c->dpms)) xf86ErrorF(" Suspend");
+ if (DPMS_OFF(c->dpms)) xf86ErrorF(" Off");
+ } else
+ xf86DrvMsg(scrnIndex,X_INFO,"No DPMS capabilities specified");
+ if (!c->input_type) { /* analog */
+ switch (c->display_type){
+ case DISP_MONO:
+ xf86ErrorF("; Monochorome/GrayScale Display\n");
+ break;
+ case DISP_RGB:
+ xf86ErrorF("; RGB/Color Display\n");
+ break;
+ case DISP_MULTCOLOR:
+ xf86ErrorF("; Non RGB Multicolor Display\n");
+ break;
+ default:
+ xf86ErrorF("\n");
+ break;
+ }
+ } else {
+ int enc = c->display_type;
+ xf86ErrorF("\n");
+ xf86DrvMsg(scrnIndex, X_INFO, "Supported color encodings: "
+ "RGB 4:4:4 %s%s\n",
+ enc & DISP_YCRCB444 ? "YCrCb 4:4:4 " : "",
+ enc & DISP_YCRCB422 ? "YCrCb 4:2:2" : "");
+ }
+
+ if (STD_COLOR_SPACE(c->msc))
+ xf86DrvMsg(scrnIndex,X_INFO,
+ "Default color space is primary color space\n");
+
+ if (PREFERRED_TIMING_MODE(c->msc) || v->revision >= 4) {
+ xf86DrvMsg(scrnIndex, X_INFO,
+ "First detailed timing is preferred mode\n");
+ if (v->revision >= 4)
+ xf86DrvMsg(scrnIndex, X_INFO,
+ "Preferred mode is native pixel format and refresh rate\n");
+ } else if (v->revision == 3) {
+ xf86DrvMsg(scrnIndex,X_INFO,
+ "First detailed timing not preferred "
+ "mode in violation of standard!");
+ }
+
+ if (v->revision >= 4) {
+ if (GFT_SUPPORTED(c->msc)) {
+ xf86DrvMsg(scrnIndex, X_INFO, "Display is continuous-frequency\n");
+ }
+ } else {
+ if (GFT_SUPPORTED(c->msc))
+ xf86DrvMsg(scrnIndex, X_INFO, "GTF timings supported\n");
+ }
+}
+
+static void
+print_whitepoint(int scrnIndex, struct disp_features *disp)
+{
+ xf86DrvMsg(scrnIndex,X_INFO,"redX: %.3f redY: %.3f ",
+ disp->redx,disp->redy);
+ xf86ErrorF("greenX: %.3f greenY: %.3f\n",
+ disp->greenx,disp->greeny);
+ xf86DrvMsg(scrnIndex,X_INFO,"blueX: %.3f blueY: %.3f ",
+ disp->bluex,disp->bluey);
+ xf86ErrorF("whiteX: %.3f whiteY: %.3f\n",
+ disp->whitex,disp->whitey);
+}
+
+static void
+print_display(int scrnIndex, struct disp_features *disp,
+ struct edid_version *v)
+{
+ print_input_features(scrnIndex, disp, v);
+ if (disp->hsize && disp->vsize) {
+ xf86DrvMsg(scrnIndex, X_INFO, "Max Image Size [cm]: ");
+ xf86ErrorF("horiz.: %i ", disp->hsize);
+ xf86ErrorF("vert.: %i\n", disp->vsize);
+ } else if (v->revision >= 4 && (disp->hsize || disp->vsize)) {
+ if (disp->hsize)
+ xf86DrvMsg(scrnIndex, X_INFO, "Aspect ratio: %.2f (landscape)\n",
+ (disp->hsize + 99) / 100.0);
+ if (disp->vsize)
+ xf86DrvMsg(scrnIndex, X_INFO, "Aspect ratio: %.2f (portrait)\n",
+ 100.0 / (float)(disp->vsize + 99));
+
+ } else {
+ xf86DrvMsg(scrnIndex, X_INFO, "Indeterminate output size\n");
+ }
+
+ if (!disp->gamma && v->revision >= 1.4)
+ xf86DrvMsg(scrnIndex, X_INFO, "Gamma defined in extension block\n");
+ else
+ xf86DrvMsg(scrnIndex, X_INFO, "Gamma: %.2f\n", disp->gamma);
+
+ print_dpms_features(scrnIndex, disp, v);
+ print_whitepoint(scrnIndex, disp);
+}
+
+static void
+print_established_timings(int scrnIndex, struct established_timings *t)
+{
+ unsigned char c;
+
+ if (t->t1 || t->t2 || t->t_manu)
+ xf86DrvMsg(scrnIndex,X_INFO,"Supported VESA Video Modes:\n");
+ c=t->t1;
+ if (c&0x80) xf86DrvMsg(scrnIndex,X_INFO,"720x400@70Hz\n");
+ if (c&0x40) xf86DrvMsg(scrnIndex,X_INFO,"720x400@88Hz\n");
+ if (c&0x20) xf86DrvMsg(scrnIndex,X_INFO,"640x480@60Hz\n");
+ if (c&0x10) xf86DrvMsg(scrnIndex,X_INFO,"640x480@67Hz\n");
+ if (c&0x08) xf86DrvMsg(scrnIndex,X_INFO,"640x480@72Hz\n");
+ if (c&0x04) xf86DrvMsg(scrnIndex,X_INFO,"640x480@75Hz\n");
+ if (c&0x02) xf86DrvMsg(scrnIndex,X_INFO,"800x600@56Hz\n");
+ if (c&0x01) xf86DrvMsg(scrnIndex,X_INFO,"800x600@60Hz\n");
+ c=t->t2;
+ if (c&0x80) xf86DrvMsg(scrnIndex,X_INFO,"800x600@72Hz\n");
+ if (c&0x40) xf86DrvMsg(scrnIndex,X_INFO,"800x600@75Hz\n");
+ if (c&0x20) xf86DrvMsg(scrnIndex,X_INFO,"832x624@75Hz\n");
+ if (c&0x10) xf86DrvMsg(scrnIndex,X_INFO,"1024x768@87Hz (interlaced)\n");
+ if (c&0x08) xf86DrvMsg(scrnIndex,X_INFO,"1024x768@60Hz\n");
+ if (c&0x04) xf86DrvMsg(scrnIndex,X_INFO,"1024x768@70Hz\n");
+ if (c&0x02) xf86DrvMsg(scrnIndex,X_INFO,"1024x768@75Hz\n");
+ if (c&0x01) xf86DrvMsg(scrnIndex,X_INFO,"1280x1024@75Hz\n");
+ c=t->t_manu;
+ if (c&0x80) xf86DrvMsg(scrnIndex,X_INFO,"1152x870@75Hz\n");
+ xf86DrvMsg(scrnIndex,X_INFO,"Manufacturer's mask: %X\n",c&0x7F);
+}
+
+static void
+print_std_timings(int scrnIndex, struct std_timings *t)
+{
+ int i;
+ char done = 0;
+ for (i=0;i<STD_TIMINGS;i++) {
+ if (t[i].hsize > 256) { /* sanity check */
+ if (!done) {
+ xf86DrvMsg(scrnIndex,X_INFO,"Supported Future Video Modes:\n");
+ done = 1;
+ }
+ xf86DrvMsg(scrnIndex,X_INFO,
+ "#%i: hsize: %i vsize %i refresh: %i vid: %i\n",
+ i, t[i].hsize, t[i].vsize, t[i].refresh, t[i].id);
+ }
+ }
+}
+
+static void
+print_cvt_timings(int si, struct cvt_timings *t)
+{
+ int i;
+
+ for (i = 0; i < 4; i++) {
+ if (t[i].height) {
+ xf86DrvMsg(si, X_INFO, "%dx%d @ %s%s%s%s%s Hz\n",
+ t[i].width, t[i].height,
+ t[i].rates & 0x10 ? "50," : "",
+ t[i].rates & 0x08 ? "60," : "",
+ t[i].rates & 0x04 ? "75," : "",
+ t[i].rates & 0x02 ? "85," : "",
+ t[i].rates & 0x01 ? "60RB" : "");
+ } else break;
+ }
+}
+
+static void
+print_detailed_timings(int scrnIndex, struct detailed_timings *t)
+{
+
+ if (t->clock > 15000000) { /* sanity check */
+ xf86DrvMsg(scrnIndex,X_INFO,"Supported additional Video Mode:\n");
+ xf86DrvMsg(scrnIndex,X_INFO,"clock: %.1f MHz ",t->clock/1000000.0);
+ xf86ErrorF("Image Size: %i x %i mm\n",t->h_size,t->v_size);
+ xf86DrvMsg(scrnIndex,X_INFO,
+ "h_active: %i h_sync: %i h_sync_end %i h_blank_end %i ",
+ t->h_active, t->h_sync_off + t->h_active,
+ t->h_sync_off + t->h_sync_width + t->h_active,
+ t->h_active + t->h_blanking);
+ xf86ErrorF("h_border: %i\n",t->h_border);
+ xf86DrvMsg(scrnIndex,X_INFO,
+ "v_active: %i v_sync: %i v_sync_end %i v_blanking: %i ",
+ t->v_active, t->v_sync_off + t->v_active,
+ t->v_sync_off + t->v_sync_width + t->v_active,
+ t->v_active + t->v_blanking);
+ xf86ErrorF("v_border: %i\n",t->v_border);
+ if (IS_STEREO(t->stereo)) {
+ xf86DrvMsg(scrnIndex,X_INFO,"Stereo: ");
+ if (IS_RIGHT_STEREO(t->stereo)) {
+ if (!t->stereo_1)
+ xf86ErrorF("right channel on sync\n");
+ else
+ xf86ErrorF("left channel on sync\n");
+ } else if (IS_LEFT_STEREO(t->stereo)) {
+ if (!t->stereo_1)
+ xf86ErrorF("right channel on even line\n");
+ else
+ xf86ErrorF("left channel on evel line\n");
+ }
+ if (IS_4WAY_STEREO(t->stereo)) {
+ if (!t->stereo_1)
+ xf86ErrorF("4-way interleaved\n");
+ else
+ xf86ErrorF("side-by-side interleaved");
+ }
+ }
+ }
+}
+
+static void
+print_detailed_monitor_section(int scrnIndex,
+ struct detailed_monitor_section *m)
+{
+ int i,j;
+
+ for (i=0;i<DET_TIMINGS;i++) {
+ switch (m[i].type) {
+ case DT:
+ print_detailed_timings(scrnIndex,&m[i].section.d_timings);
+ break;
+ case DS_SERIAL:
+ xf86DrvMsg(scrnIndex,X_INFO,"Serial No: %s\n",m[i].section.serial);
+ break;
+ case DS_ASCII_STR:
+ xf86DrvMsg(scrnIndex,X_INFO," %s\n",m[i].section.ascii_data);
+ break;
+ case DS_NAME:
+ xf86DrvMsg(scrnIndex,X_INFO,"Monitor name: %s\n",m[i].section.name);
+ break;
+ case DS_RANGES:
+ {
+ struct monitor_ranges *r = &m[i].section.ranges;
+ xf86DrvMsg(scrnIndex,X_INFO,
+ "Ranges: V min: %i V max: %i Hz, H min: %i H max: %i kHz,",
+ r->min_v, r->max_v, r->min_h, r->max_h);
+ if (r->max_clock_khz != 0) {
+ xf86ErrorF(" PixClock max %i kHz\n", r->max_clock_khz);
+ if (r->maxwidth)
+ xf86DrvMsg(scrnIndex, X_INFO, "Maximum pixel width: %d\n",
+ r->maxwidth);
+ xf86DrvMsg(scrnIndex, X_INFO, "Supported aspect ratios:");
+ if (r->supported_aspect & SUPPORTED_ASPECT_4_3)
+ xf86ErrorF(" 4:3%s",
+ r->preferred_aspect == PREFERRED_ASPECT_4_3?"*":"");
+ if (r->supported_aspect & SUPPORTED_ASPECT_16_9)
+ xf86ErrorF(" 16:9%s",
+ r->preferred_aspect == PREFERRED_ASPECT_16_9?"*":"");
+ if (r->supported_aspect & SUPPORTED_ASPECT_16_10)
+ xf86ErrorF(" 16:10%s",
+ r->preferred_aspect == PREFERRED_ASPECT_16_10?"*":"");
+ if (r->supported_aspect & SUPPORTED_ASPECT_5_4)
+ xf86ErrorF(" 5:4%s",
+ r->preferred_aspect == PREFERRED_ASPECT_5_4?"*":"");
+ if (r->supported_aspect & SUPPORTED_ASPECT_15_9)
+ xf86ErrorF(" 15:9%s",
+ r->preferred_aspect == PREFERRED_ASPECT_15_9?"*":"");
+ xf86ErrorF("\n");
+ xf86DrvMsg(scrnIndex, X_INFO, "Supported blankings:");
+ if (r->supported_blanking & CVT_STANDARD)
+ xf86ErrorF(" standard");
+ if (r->supported_blanking & CVT_REDUCED)
+ xf86ErrorF(" reduced");
+ xf86ErrorF("\n");
+ xf86DrvMsg(scrnIndex, X_INFO, "Supported scalings:");
+ if (r->supported_scaling & SCALING_HSHRINK)
+ xf86ErrorF(" hshrink");
+ if (r->supported_scaling & SCALING_HSTRETCH)
+ xf86ErrorF(" hstretch");
+ if (r->supported_scaling & SCALING_VSHRINK)
+ xf86ErrorF(" vshrink");
+ if (r->supported_scaling & SCALING_VSTRETCH)
+ xf86ErrorF(" vstretch");
+ xf86ErrorF("\n");
+ xf86DrvMsg(scrnIndex, X_INFO, "Preferred refresh rate: %d\n",
+ r->preferred_refresh);
+ } else if (r->max_clock != 0) {
+ xf86ErrorF(" PixClock max %i MHz\n", r->max_clock);
+ } else {
+ xf86ErrorF("\n");
+ }
+ if (r->gtf_2nd_f > 0)
+ xf86DrvMsg(scrnIndex,X_INFO," 2nd GTF parameters: f: %i kHz "
+ "c: %i m: %i k %i j %i\n", r->gtf_2nd_f,
+ r->gtf_2nd_c, r->gtf_2nd_m, r->gtf_2nd_k,
+ r->gtf_2nd_j);
+ break;
+ }
+ case DS_STD_TIMINGS:
+ for (j = 0; j<5; j++)
+ xf86DrvMsg(scrnIndex,X_INFO,"#%i: hsize: %i vsize %i refresh: %i "
+ "vid: %i\n",i,m[i].section.std_t[i].hsize,
+ m[i].section.std_t[j].vsize,m[i].section.std_t[j].refresh,
+ m[i].section.std_t[j].id);
+ break;
+ case DS_WHITE_P:
+ for (j = 0; j<2; j++)
+ if (m[i].section.wp[j].index != 0)
+ xf86DrvMsg(scrnIndex,X_INFO,
+ "White point %i: whiteX: %f, whiteY: %f; gamma: %f\n",
+ m[i].section.wp[j].index,m[i].section.wp[j].white_x,
+ m[i].section.wp[j].white_y,
+ m[i].section.wp[j].white_gamma);
+ break;
+ case DS_CMD:
+ xf86DrvMsg(scrnIndex, X_INFO,
+ "Color management data: (not decoded)\n");
+ break;
+ case DS_CVT:
+ xf86DrvMsg(scrnIndex, X_INFO,
+ "CVT 3-byte-code modes:\n");
+ print_cvt_timings(scrnIndex, m[i].section.cvt);
+ break;
+ case DS_EST_III:
+ xf86DrvMsg(scrnIndex, X_INFO,
+ "Established timings III: (not decoded)\n");
+ break;
+ case DS_DUMMY:
+ default:
+ break;
+ }
+ if (m[i].type >= DS_VENDOR && m[i].type <= DS_VENDOR_MAX) {
+ xf86DrvMsg(scrnIndex, X_WARNING,
+ "Unknown vendor-specific block %hx\n",
+ m[i].type - DS_VENDOR);
+ }
+ }
+}
+
+static void
+print_number_sections(int scrnIndex, int num)
+{
+ if (num)
+ xf86DrvMsg(scrnIndex,X_INFO,"Number of EDID sections to follow: %i\n",
+ num);
+}
+
+xf86MonPtr
+xf86PrintEDID(xf86MonPtr m)
+{
+ CARD16 i, j;
+ char buf[EDID_WIDTH * 2 + 1];
+
+ if (!(m)) return NULL;
+
+ print_vendor(m->scrnIndex,&m->vendor);
+ print_version(m->scrnIndex,&m->ver);
+ print_display(m->scrnIndex,&m->features, &m->ver);
+ print_established_timings(m->scrnIndex,&m->timings1);
+ print_std_timings(m->scrnIndex,m->timings2);
+ print_detailed_monitor_section(m->scrnIndex,m->det_mon);
+ print_number_sections(m->scrnIndex,m->no_sections);
+
+ xf86DrvMsg(m->scrnIndex, X_INFO, "EDID (in hex):\n");
+
+ for (i = 0; i < 128; i += j) {
+ for (j = 0; j < EDID_WIDTH; ++j) {
+ sprintf(&buf[j * 2], "%02x", m->rawData[i + j]);
+ }
+ xf86DrvMsg(m->scrnIndex, X_INFO, "\t%s\n", buf);
+ }
+
+ return m;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-11 21:21:12 +0000