1 /* 2 * Copyright 2003, Thomas Kurschel. All Rights Reserved. 3 * Distributed under the terms of the MIT License. 4 */ 5 6 7 /*! 8 Part of DDC driver 9 Dumps EDID content 10 */ 11 12 13 #include "edid.h" 14 #if !defined(_KERNEL_MODE) && !defined(_BOOT_MODE) 15 # include "ddc_int.h" 16 #endif 17 18 #include <KernelExport.h> 19 20 #include <stdio.h> 21 22 23 void 24 edid_dump(edid1_info *edid) 25 { 26 int i, j; 27 28 dprintf("Vendor: %s\n", edid->vendor.manufacturer); 29 dprintf("Product ID: %d\n", (int)edid->vendor.prod_id); 30 dprintf("Serial #: %d\n", (int)edid->vendor.serial); 31 dprintf("Produced in week/year: %d/%d\n", edid->vendor.week, 32 edid->vendor.year); 33 34 dprintf("EDID version: %d.%d\n", edid->version.version, 35 edid->version.revision); 36 37 dprintf("Type: %s\n", edid->display.input_type ? "Digital" : "Analog"); 38 dprintf("Size: %d cm x %d cm\n", edid->display.h_size, edid->display.v_size); 39 dprintf("Gamma=%.3f\n", (edid->display.gamma + 100) / 100.0); 40 dprintf("White (X,Y)=(%.3f,%.3f)\n", edid->display.white_x / 1024.0, 41 edid->display.white_y / 1024.0); 42 43 dprintf("Supported Future Video Modes:\n"); 44 for (i = 0; i < EDID1_NUM_STD_TIMING; ++i) { 45 if (edid->std_timing[i].h_size <= 256) 46 continue; 47 48 dprintf("%dx%d@%dHz (id=%d)\n", 49 edid->std_timing[i].h_size, edid->std_timing[i].v_size, 50 edid->std_timing[i].refresh, edid->std_timing[i].id); 51 } 52 53 dprintf("Supported VESA Video Modes:\n"); 54 if (edid->established_timing.res_720x400x70) 55 dprintf("720x400@70Hz\n"); 56 if (edid->established_timing.res_720x400x88) 57 dprintf("720x400@88Hz\n"); 58 if (edid->established_timing.res_640x480x60) 59 dprintf("640x480@60Hz\n"); 60 if (edid->established_timing.res_640x480x67) 61 dprintf("640x480@67Hz\n"); 62 if (edid->established_timing.res_640x480x72) 63 dprintf("640x480@72Hz\n"); 64 if (edid->established_timing.res_640x480x75) 65 dprintf("640x480@75Hz\n"); 66 if (edid->established_timing.res_800x600x56) 67 dprintf("800x600@56Hz\n"); 68 if (edid->established_timing.res_800x600x60) 69 dprintf("800x600@60Hz\n"); 70 71 if (edid->established_timing.res_800x600x72) 72 dprintf("800x600@72Hz\n"); 73 if (edid->established_timing.res_800x600x75) 74 dprintf("800x600@75Hz\n"); 75 if (edid->established_timing.res_832x624x75) 76 dprintf("832x624@75Hz\n"); 77 if (edid->established_timing.res_1024x768x87i) 78 dprintf("1024x768@87Hz interlaced\n"); 79 if (edid->established_timing.res_1024x768x60) 80 dprintf("1024x768@60Hz\n"); 81 if (edid->established_timing.res_1024x768x70) 82 dprintf("1024x768@70Hz\n"); 83 if (edid->established_timing.res_1024x768x75) 84 dprintf("1024x768@75Hz\n"); 85 if (edid->established_timing.res_1280x1024x75) 86 dprintf("1280x1024@75Hz\n"); 87 88 if (edid->established_timing.res_1152x870x75) 89 dprintf("1152x870@75Hz\n"); 90 91 for (i = 0; i < EDID1_NUM_DETAILED_MONITOR_DESC; ++i) { 92 edid1_detailed_monitor *monitor = &edid->detailed_monitor[i]; 93 94 switch(monitor->monitor_desc_type) { 95 case EDID1_SERIAL_NUMBER: 96 dprintf("Serial Number: %s\n", monitor->data.serial_number); 97 break; 98 99 case EDID1_ASCII_DATA: 100 dprintf(" %s\n", monitor->data.serial_number); 101 break; 102 103 case EDID1_MONITOR_RANGES: 104 { 105 edid1_monitor_range monitor_range = monitor->data.monitor_range; 106 107 dprintf("Horizontal frequency range = %d..%d kHz\n", 108 monitor_range.min_h, monitor_range.max_h); 109 dprintf("Vertical frequency range = %d..%d Hz\n", 110 monitor_range.min_v, monitor_range.max_v); 111 dprintf("Maximum pixel clock = %d MHz\n", 112 (uint16)monitor_range.max_clock * 10); 113 break; 114 } 115 116 case EDID1_MONITOR_NAME: 117 dprintf("Monitor Name: %s\n", monitor->data.monitor_name); 118 break; 119 120 case EDID1_ADD_COLOUR_POINTER: 121 { 122 for (j = 0; j < EDID1_NUM_EXTRA_WHITEPOINTS; ++j) { 123 edid1_whitepoint *whitepoint = &monitor->data.whitepoint[j]; 124 125 if (whitepoint->index == 0) 126 continue; 127 128 dprintf("Additional whitepoint: (X,Y)=(%f,%f) gamma=%f " 129 "index=%i\n", whitepoint->white_x / 1024.0, 130 whitepoint->white_y / 1024.0, 131 (whitepoint->gamma + 100) / 100.0, whitepoint->index); 132 } 133 break; 134 } 135 136 case EDID1_ADD_STD_TIMING: 137 { 138 for (j = 0; j < EDID1_NUM_EXTRA_STD_TIMING; ++j) { 139 edid1_std_timing *timing = &monitor->data.std_timing[j]; 140 141 if (timing->h_size <= 256) 142 continue; 143 144 dprintf("%dx%d@%dHz (id=%d)\n", 145 timing->h_size, timing->v_size, 146 timing->refresh, timing->id); 147 } 148 break; 149 } 150 151 case EDID1_IS_DETAILED_TIMING: 152 { 153 edid1_detailed_timing *timing = &monitor->data.detailed_timing; 154 dprintf("Additional Video Mode (%dx%d@%dHz):\n", 155 timing->h_active, timing->v_active, 156 (timing->pixel_clock * 10000 157 / (timing->h_active + timing->h_blank) 158 / (timing->v_active + timing->v_blank))); 159 // Refresh rate = pixel clock in MHz / Htotal / Vtotal 160 161 dprintf("clock=%f MHz\n", timing->pixel_clock / 100.0); 162 dprintf("h: (%d, %d, %d, %d)\n", 163 timing->h_active, timing->h_active + timing->h_sync_off, 164 timing->h_active + timing->h_sync_off + timing->h_sync_width, 165 timing->h_active + timing->h_blank); 166 dprintf("v: (%d, %d, %d, %d)\n", 167 timing->v_active, timing->v_active + timing->v_sync_off, 168 timing->v_active + timing->v_sync_off + timing->v_sync_width, 169 timing->v_active + timing->v_blank); 170 dprintf("size: %.1f cm x %.1f cm\n", 171 timing->h_size / 10.0, timing->v_size / 10.0); 172 dprintf("border: %.1f cm x %.1f cm\n", 173 timing->h_border / 10.0, timing->v_border / 10.0); 174 break; 175 } 176 } 177 } 178 } 179