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1029 | serge | 1 | /* |
2 | * Copyright 2006-2007 Luc Verhaegen |
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3 | * |
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4 | * Permission is hereby granted, free of charge, to any person obtaining a |
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5 | * copy of this software and associated documentation files (the "Software"), |
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6 | * to deal in the Software without restriction, including without limitation |
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7 | * the rights to use, copy, modify, merge, publish, distribute, sub license, |
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8 | * and/or sell copies of the Software, and to permit persons to whom the |
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9 | * Software is furnished to do so, subject to the following conditions: |
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10 | * |
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11 | * The above copyright notice and this permission notice (including the |
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12 | * next paragraph) shall be included in all copies or substantial portions |
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13 | * of the Software. |
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14 | * |
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15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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17 | * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL |
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18 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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20 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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21 | * DEALINGS IN THE SOFTWARE. |
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22 | */ |
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23 | |||
24 | #ifdef HAVE_CONFIG_H |
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25 | # include |
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26 | #endif |
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27 | #ifdef HAVE_XORG_CONFIG_H |
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28 | # include |
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29 | #endif |
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30 | |||
31 | #include "xf86.h" |
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32 | #include "rhd.h" |
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33 | #include "edid.h" |
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34 | #include "xf86DDC.h" |
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35 | |||
36 | #include "rhd_modes.h" |
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37 | #include "rhd_monitor.h" |
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38 | |||
39 | /* |
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40 | * TODO: |
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41 | * - for those with access to the VESA DMT standard; review please. |
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42 | * - swap M_T_DEFAULT for M_T_EDID_... |
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43 | */ |
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44 | #define MODEPREFIX(name) NULL, NULL, name, 0,M_T_DRIVER |
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45 | #define MODESUFFIX 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,FALSE,FALSE,0,NULL,0,0.0,0.0 |
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46 | |||
47 | static DisplayModeRec EDIDEstablishedModes[17] = { |
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48 | { MODEPREFIX("800x600"), 40000, 800, 840, 968, 1056, 0, 600, 601, 605, 628, 0, V_PHSYNC | V_PVSYNC, MODESUFFIX }, /* 800x600@60Hz */ |
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49 | { MODEPREFIX("800x600"), 36000, 800, 824, 896, 1024, 0, 600, 601, 603, 625, 0, V_PHSYNC | V_PVSYNC, MODESUFFIX }, /* 800x600@56Hz */ |
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50 | { MODEPREFIX("640x480"), 31500, 640, 656, 720, 840, 0, 480, 481, 484, 500, 0, V_NHSYNC | V_NVSYNC, MODESUFFIX }, /* 640x480@75Hz */ |
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51 | { MODEPREFIX("640x480"), 31500, 640, 664, 704, 832, 0, 480, 489, 491, 520, 0, V_NHSYNC | V_NVSYNC, MODESUFFIX }, /* 640x480@72Hz */ |
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52 | { MODEPREFIX("640x480"), 30240, 640, 704, 768, 864, 0, 480, 483, 486, 525, 0, V_NHSYNC | V_NVSYNC, MODESUFFIX }, /* 640x480@67Hz */ |
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53 | { MODEPREFIX("640x480"), 25200, 640, 656, 752, 800, 0, 480, 490, 492, 525, 0, V_NHSYNC | V_NVSYNC, MODESUFFIX }, /* 640x480@60Hz */ |
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54 | { MODEPREFIX("720x400"), 35500, 720, 738, 846, 900, 0, 400, 421, 423, 449, 0, V_NHSYNC | V_NVSYNC, MODESUFFIX }, /* 720x400@88Hz */ |
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55 | { MODEPREFIX("720x400"), 28320, 720, 738, 846, 900, 0, 400, 412, 414, 449, 0, V_NHSYNC | V_PVSYNC, MODESUFFIX }, /* 720x400@70Hz */ |
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56 | { MODEPREFIX("1280x1024"), 135000, 1280, 1296, 1440, 1688, 0, 1024, 1025, 1028, 1066, 0, V_PHSYNC | V_PVSYNC, MODESUFFIX }, /* 1280x1024@75Hz */ |
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57 | { MODEPREFIX("1024x768"), 78800, 1024, 1040, 1136, 1312, 0, 768, 769, 772, 800, 0, V_PHSYNC | V_PVSYNC, MODESUFFIX }, /* 1024x768@75Hz */ |
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58 | { MODEPREFIX("1024x768"), 75000, 1024, 1048, 1184, 1328, 0, 768, 771, 777, 806, 0, V_NHSYNC | V_NVSYNC, MODESUFFIX }, /* 1024x768@70Hz */ |
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59 | { MODEPREFIX("1024x768"), 65000, 1024, 1048, 1184, 1344, 0, 768, 771, 777, 806, 0, V_NHSYNC | V_NVSYNC, MODESUFFIX }, /* 1024x768@60Hz */ |
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60 | { MODEPREFIX("1024x768"), 44900, 1024, 1032, 1208, 1264, 0, 768, 768, 776, 817, 0, V_PHSYNC | V_PVSYNC | V_INTERLACE, MODESUFFIX }, /* 1024x768@43Hz */ |
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61 | { MODEPREFIX("832x624"), 57284, 832, 864, 928, 1152, 0, 624, 625, 628, 667, 0, V_NHSYNC | V_NVSYNC, MODESUFFIX }, /* 832x624@75Hz */ |
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62 | { MODEPREFIX("800x600"), 49500, 800, 816, 896, 1056, 0, 600, 601, 604, 625, 0, V_PHSYNC | V_PVSYNC, MODESUFFIX }, /* 800x600@75Hz */ |
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63 | { MODEPREFIX("800x600"), 50000, 800, 856, 976, 1040, 0, 600, 637, 643, 666, 0, V_PHSYNC | V_PVSYNC, MODESUFFIX }, /* 800x600@72Hz */ |
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64 | { MODEPREFIX("1152x864"), 108000, 1152, 1216, 1344, 1600, 0, 864, 865, 868, 900, 0, V_PHSYNC | V_PVSYNC, MODESUFFIX }, /* 1152x864@75Hz */ |
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65 | }; |
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66 | |||
67 | static DisplayModePtr |
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68 | EDIDModesFromEstablished(int scrnIndex, struct established_timings *timing) |
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69 | { |
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70 | DisplayModePtr Modes = NULL, Mode = NULL; |
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71 | CARD32 bits = (timing->t1) | (timing->t2 << 8) | |
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72 | ((timing->t_manu & 0x80) << 9); |
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73 | int i; |
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74 | |||
75 | for (i = 0; i < 17; i++) |
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76 | if (bits & (0x01 << i)) { |
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77 | Mode = RHDModeCopy(&(EDIDEstablishedModes[i])); |
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78 | Modes = RHDModesAdd(Modes, Mode); |
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79 | } |
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80 | |||
81 | return Modes; |
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82 | } |
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83 | |||
84 | /* |
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85 | * |
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86 | */ |
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87 | static DisplayModePtr |
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88 | EDIDModesFromStandardTiming(int scrnIndex, struct std_timings *timing) |
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89 | { |
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90 | DisplayModePtr Modes = NULL, Mode = NULL; |
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91 | int i; |
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92 | |||
93 | for (i = 0; i < STD_TIMINGS; i++) |
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94 | if (timing[i].hsize && timing[i].vsize && timing[i].refresh) { |
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95 | Mode = RHDCVTMode(timing[i].hsize, timing[i].vsize, |
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96 | timing[i].refresh, FALSE, FALSE); |
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97 | Mode->type = M_T_DRIVER; |
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98 | Modes = RHDModesAdd(Modes, Mode); |
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99 | } |
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100 | |||
101 | return Modes; |
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102 | } |
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103 | |||
104 | /* |
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105 | * |
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106 | */ |
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107 | static DisplayModePtr |
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108 | EDIDModeFromDetailedTiming(int scrnIndex, struct detailed_timings *timing) |
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109 | { |
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110 | DisplayModePtr Mode; |
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111 | |||
112 | /* We don't do stereo */ |
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113 | if (timing->stereo) { |
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114 | xf86DrvMsg(scrnIndex, X_INFO, "%s: Ignoring: We don't handle stereo.\n", |
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115 | __func__); |
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116 | return NULL; |
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117 | } |
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118 | |||
119 | /* We only do separate sync currently */ |
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120 | if (timing->sync != 0x03) { |
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121 | xf86DrvMsg(scrnIndex, X_INFO, "%s: Ignoring: We only handle separate" |
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122 | " sync.\n", __func__); |
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123 | return NULL; |
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124 | } |
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125 | |||
126 | Mode = xnfalloc(sizeof(DisplayModeRec)); |
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127 | memset(Mode, 0, sizeof(DisplayModeRec)); |
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128 | |||
129 | Mode->name = xnfalloc(10); /* "1234x1234" */ |
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130 | snprintf(Mode->name, 20, "%dx%d", timing->h_active, timing->v_active); |
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131 | |||
132 | Mode->type = M_T_DRIVER; |
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133 | |||
134 | Mode->Clock = timing->clock / 1000.0; |
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135 | |||
136 | Mode->HDisplay = timing->h_active; |
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137 | Mode->HSyncStart = timing->h_active + timing->h_sync_off; |
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138 | Mode->HSyncEnd = Mode->HSyncStart + timing->h_sync_width; |
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139 | Mode->HTotal = timing->h_active + timing->h_blanking; |
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140 | |||
141 | Mode->VDisplay = timing->v_active; |
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142 | Mode->VSyncStart = timing->v_active + timing->v_sync_off; |
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143 | Mode->VSyncEnd = Mode->VSyncStart + timing->v_sync_width; |
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144 | Mode->VTotal = timing->v_active + timing->v_blanking; |
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145 | |||
146 | /* We ignore h/v_size and h/v_border for now. */ |
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147 | |||
148 | if (timing->interlaced) |
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149 | Mode->Flags |= V_INTERLACE; |
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150 | |||
151 | if (timing->misc & 0x02) |
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152 | Mode->Flags |= V_PVSYNC; |
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153 | else |
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154 | Mode->Flags |= V_NVSYNC; |
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155 | |||
156 | if (timing->misc & 0x01) |
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157 | Mode->Flags |= V_PHSYNC; |
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158 | else |
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159 | Mode->Flags |= V_NHSYNC; |
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160 | |||
161 | return Mode; |
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162 | } |
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163 | |||
164 | /* |
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165 | * |
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166 | */ |
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167 | static void |
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168 | EDIDGuessRangesFromModes(struct rhdMonitor *Monitor, DisplayModePtr Modes) |
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169 | { |
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170 | DisplayModePtr Mode = Modes; |
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171 | |||
172 | if (!Monitor || !Modes) |
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173 | return; |
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174 | |||
175 | for (Mode = Modes; Mode; Mode = Mode->next) { |
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176 | if (!Mode->HSync) |
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177 | Mode->HSync = ((float) Mode->Clock ) / ((float) Mode->HTotal); |
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178 | |||
179 | if (!Mode->VRefresh) { |
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180 | Mode->VRefresh = (1000.0 * ((float) Mode->Clock)) / |
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181 | ((float) (Mode->HTotal * Mode->VTotal)); |
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182 | if (Mode->Flags & V_INTERLACE) |
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183 | Mode->VRefresh *= 2.0; |
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184 | if (Mode->Flags & V_DBLSCAN) |
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185 | Mode->VRefresh /= 2.0; |
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186 | } |
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187 | } |
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188 | |||
189 | if (!Monitor->numHSync) { |
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190 | /* set up the ranges for scanning through the modes */ |
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191 | Monitor->numHSync = 1; |
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192 | Monitor->HSync[0].lo = 1024.0; |
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193 | Monitor->HSync[0].hi = 0.0; |
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194 | |||
195 | for (Mode = Modes; Mode; Mode = Mode->next) { |
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196 | if (Mode->HSync < Monitor->HSync[0].lo) |
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197 | Monitor->HSync[0].lo = Mode->HSync; |
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198 | |||
199 | if (Mode->HSync > Monitor->HSync[0].hi) |
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200 | Monitor->HSync[0].hi = Mode->HSync; |
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201 | } |
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202 | } |
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203 | |||
204 | |||
205 | if (!Monitor->numVRefresh) { |
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206 | Monitor->numVRefresh = 1; |
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207 | Monitor->VRefresh[0].lo = 1024.0; |
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208 | Monitor->VRefresh[0].hi = 0.0; |
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209 | |||
210 | for (Mode = Modes; Mode; Mode = Mode->next) { |
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211 | if (Mode->VRefresh < Monitor->VRefresh[0].lo) |
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212 | Monitor->VRefresh[0].lo = Mode->VRefresh; |
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213 | |||
214 | if (Mode->VRefresh > Monitor->VRefresh[0].hi) |
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215 | Monitor->VRefresh[0].hi = Mode->VRefresh; |
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216 | } |
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217 | } |
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218 | |||
219 | if (!Monitor->Bandwidth) |
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220 | for (Mode = Modes; Mode; Mode = Mode->next) |
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221 | if (Mode->Clock > Monitor->Bandwidth) |
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222 | Monitor->Bandwidth = Mode->Clock; |
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223 | } |
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224 | |||
225 | /* |
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226 | * Determine whether this monitor does allow reduced blanking. |
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227 | * Do not set it to false, to allow the user to specify this too. |
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228 | */ |
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229 | static void |
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230 | EDIDReducedAllowed(struct rhdMonitor *Monitor, DisplayModePtr Modes) |
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231 | { |
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232 | DisplayModePtr Mode; |
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233 | |||
234 | for (Mode = Modes; Mode; Mode = Mode->next) |
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235 | if (((Mode->HTotal - Mode->HDisplay) == 160) && |
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236 | ((Mode->HSyncEnd - Mode->HDisplay) == 80) && |
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237 | ((Mode->HSyncEnd - Mode->HSyncStart) == 32) && |
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238 | ((Mode->VSyncStart - Mode->VDisplay) == 3)) |
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239 | Monitor->ReducedAllowed = TRUE; |
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240 | } |
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241 | |||
242 | /* |
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243 | * Fill out rhdMonitor with xf86MonPtr information. |
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244 | */ |
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245 | void |
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246 | RHDMonitorEDIDSet(struct rhdMonitor *Monitor, xf86MonPtr EDID) |
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247 | { |
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248 | DisplayModePtr Modes = NULL, Mode; |
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249 | int i, preferred; |
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250 | |||
251 | if (!Monitor || !EDID) |
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252 | return; |
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253 | |||
254 | /* We don't parse the detailed name yet, so use ABC-0123 */ |
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255 | Monitor->Name = xnfcalloc(9, 1); |
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256 | snprintf(Monitor->Name, 9, "%s-%04X", EDID->vendor.name, |
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257 | EDID->vendor.prod_id); |
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258 | |||
259 | /* Add established timings */ |
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260 | Mode = EDIDModesFromEstablished(Monitor->scrnIndex, &EDID->timings1); |
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261 | Modes = RHDModesAdd(Modes, Mode); |
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262 | |||
263 | /* Add standard timings */ |
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264 | Mode = EDIDModesFromStandardTiming(Monitor->scrnIndex, EDID->timings2); |
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265 | Modes = RHDModesAdd(Modes, Mode); |
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266 | |||
267 | /* First DT timing preferred? */ |
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268 | preferred = PREFERRED_TIMING_MODE(EDID->features.msc); |
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269 | |||
270 | /* Go through the detailed monitor sections */ |
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271 | for (i = 0; i < DET_TIMINGS; i++) |
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272 | switch (EDID->det_mon[i].type) { |
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273 | case DS_RANGES: |
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274 | if (!Monitor->numHSync) { |
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275 | Monitor->numHSync = 1; |
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276 | Monitor->HSync[0].lo = EDID->det_mon[i].section.ranges.min_h; |
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277 | Monitor->HSync[0].hi = EDID->det_mon[i].section.ranges.max_h; |
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278 | } else |
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279 | xf86DrvMsg(Monitor->scrnIndex, X_INFO, |
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280 | "\"%s\": keeping configured HSync.\n", |
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281 | Monitor->Name); |
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282 | |||
283 | if (!Monitor->numVRefresh) { |
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284 | Monitor->numVRefresh = 1; |
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285 | Monitor->VRefresh[0].lo = EDID->det_mon[i].section.ranges.min_v; |
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286 | Monitor->VRefresh[0].hi = EDID->det_mon[i].section.ranges.max_v; |
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287 | } else |
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288 | xf86DrvMsg(Monitor->scrnIndex, X_INFO, |
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289 | "\"%s\": keeping configured VRefresh.\n", |
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290 | Monitor->Name); |
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291 | |||
292 | if (!Monitor->Bandwidth) |
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293 | Monitor->Bandwidth = |
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294 | EDID->det_mon[i].section.ranges.max_clock * 1000; |
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295 | |||
296 | break; |
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297 | case DT: |
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298 | Mode = EDIDModeFromDetailedTiming(Monitor->scrnIndex, |
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299 | &EDID->det_mon[i].section.d_timings); |
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300 | if (Mode) { |
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301 | if (preferred) { |
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302 | Mode->type |= M_T_PREFERRED; |
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303 | |||
304 | /* also grab the DPI while we are at it */ |
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305 | Monitor->xDpi = (Mode->HDisplay * 25.4) / |
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306 | ((float) EDID->det_mon[i].section.d_timings.h_size) + 0.5; |
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307 | Monitor->yDpi = (Mode->VDisplay * 25.4) / |
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308 | ((float) EDID->det_mon[i].section.d_timings.v_size) + 0.5; |
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309 | |||
310 | Monitor->NativeMode = Mode; |
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311 | } |
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312 | preferred = FALSE; |
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313 | |||
314 | Modes = RHDModesAdd(Modes, Mode); |
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315 | } |
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316 | break; |
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317 | case DS_STD_TIMINGS: |
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318 | Mode = EDIDModesFromStandardTiming(Monitor->scrnIndex, |
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319 | EDID->det_mon[i].section.std_t); |
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320 | Modes = RHDModesAdd(Modes, Mode); |
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321 | break; |
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322 | case DS_NAME: |
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323 | xfree(Monitor->Name); |
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324 | Monitor->Name = xnfcalloc(13, 1); |
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325 | memcpy(Monitor->Name, EDID->det_mon[i].section.name, 13); |
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326 | break; |
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327 | default: |
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328 | break; |
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329 | } |
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330 | |||
331 | if (Modes) { |
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332 | EDIDGuessRangesFromModes(Monitor, Modes); |
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333 | EDIDReducedAllowed(Monitor, Modes); |
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334 | Monitor->Modes = RHDModesAdd(Monitor->Modes, Modes); |
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335 | } |
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336 | |||
337 | /* Calculate DPI when we still don't have this */ |
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338 | if (!Monitor->xDpi || !Monitor->yDpi) { |
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339 | int HDisplay = 0, VDisplay = 0; |
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340 | |||
341 | for (Mode = Monitor->Modes; Mode; Mode = Mode->next) { |
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342 | if (Mode->HDisplay > HDisplay) |
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343 | HDisplay = Mode->HDisplay; |
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344 | if (Mode->VDisplay > VDisplay) |
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345 | VDisplay = Mode->VDisplay; |
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346 | } |
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347 | |||
348 | if (HDisplay && EDID->features.hsize) |
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349 | Monitor->xDpi = (HDisplay * 2.54) / ((float) EDID->features.hsize) + 0.5; |
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350 | if (VDisplay && EDID->features.vsize) |
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351 | Monitor->yDpi = (VDisplay * 2.54) / ((float) EDID->features.vsize) + 0.5; |
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352 | |||
353 | if (!Monitor->xDpi && Monitor->yDpi) |
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354 | Monitor->xDpi = Monitor->yDpi; |
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355 | if (!Monitor->yDpi && Monitor->xDpi) |
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356 | Monitor->yDpi = Monitor->xDpi; |
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357 | } |
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358 | }>>>>><>>><>><> |