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Rev | Author | Line No. | Line |
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472 | giacomo | 1 | /* |
2 | * linux/drivers/video/modedb.c -- Standard video mode database management |
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3 | * |
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4 | * Copyright (C) 1999 Geert Uytterhoeven |
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5 | * |
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6 | * 2001 - Documented with DocBook |
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7 | * - Brad Douglas <brad@neruo.com> |
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8 | * |
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9 | * This file is subject to the terms and conditions of the GNU General Public |
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10 | * License. See the file COPYING in the main directory of this archive for |
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11 | * more details. |
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12 | */ |
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13 | |||
14 | #include <linuxcomp.h> |
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15 | |||
16 | #include <linux/module.h> |
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17 | #include <linux/tty.h> |
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18 | #include <linux/fb.h> |
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19 | #include <linux/sched.h> |
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20 | |||
21 | #undef DEBUG |
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22 | |||
23 | #define name_matches(v, s, l) \ |
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24 | ((v).name && !strncmp((s), (v).name, (l)) && strlen((v).name) == (l)) |
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25 | #define res_matches(v, x, y) \ |
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26 | ((v).xres == (x) && (v).yres == (y)) |
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27 | |||
28 | #ifdef DEBUG |
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29 | #define DPRINTK(fmt, args...) printk(KERN_DEBUG "%s: " fmt, __FUNCTION__ , ## args) |
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30 | #else |
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31 | #define DPRINTK(fmt, args...) |
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32 | #endif |
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33 | |||
34 | |||
35 | const char *global_mode_option = NULL; |
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36 | |||
37 | |||
38 | /* |
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39 | * Standard video mode definitions (taken from XFree86) |
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40 | */ |
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41 | |||
42 | #define DEFAULT_MODEDB_INDEX 0 |
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43 | |||
44 | static const struct fb_videomode modedb[] __initdata = { |
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45 | { |
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46 | /* 640x400 @ 70 Hz, 31.5 kHz hsync */ |
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47 | NULL, 70, 640, 400, 39721, 40, 24, 39, 9, 96, 2, |
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48 | 0, FB_VMODE_NONINTERLACED |
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49 | }, { |
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50 | /* 640x480 @ 60 Hz, 31.5 kHz hsync */ |
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51 | NULL, 60, 640, 480, 39721, 40, 24, 32, 11, 96, 2, |
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52 | 0, FB_VMODE_NONINTERLACED |
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53 | }, { |
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54 | /* 800x600 @ 56 Hz, 35.15 kHz hsync */ |
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55 | NULL, 56, 800, 600, 27777, 128, 24, 22, 1, 72, 2, |
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56 | 0, FB_VMODE_NONINTERLACED |
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57 | }, { |
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58 | /* 1024x768 @ 87 Hz interlaced, 35.5 kHz hsync */ |
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59 | NULL, 87, 1024, 768, 22271, 56, 24, 33, 8, 160, 8, |
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60 | 0, FB_VMODE_INTERLACED |
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61 | }, { |
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62 | /* 640x400 @ 85 Hz, 37.86 kHz hsync */ |
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63 | NULL, 85, 640, 400, 31746, 96, 32, 41, 1, 64, 3, |
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64 | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED |
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65 | }, { |
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66 | /* 640x480 @ 72 Hz, 36.5 kHz hsync */ |
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67 | NULL, 72, 640, 480, 31746, 144, 40, 30, 8, 40, 3, |
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68 | 0, FB_VMODE_NONINTERLACED |
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69 | }, { |
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70 | /* 640x480 @ 75 Hz, 37.50 kHz hsync */ |
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71 | NULL, 75, 640, 480, 31746, 120, 16, 16, 1, 64, 3, |
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72 | 0, FB_VMODE_NONINTERLACED |
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73 | }, { |
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74 | /* 800x600 @ 60 Hz, 37.8 kHz hsync */ |
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75 | NULL, 60, 800, 600, 25000, 88, 40, 23, 1, 128, 4, |
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76 | FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED |
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77 | }, { |
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78 | /* 640x480 @ 85 Hz, 43.27 kHz hsync */ |
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79 | NULL, 85, 640, 480, 27777, 80, 56, 25, 1, 56, 3, |
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80 | 0, FB_VMODE_NONINTERLACED |
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81 | }, { |
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82 | /* 1152x864 @ 89 Hz interlaced, 44 kHz hsync */ |
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83 | NULL, 69, 1152, 864, 15384, 96, 16, 110, 1, 216, 10, |
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84 | 0, FB_VMODE_INTERLACED |
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85 | }, { |
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86 | /* 800x600 @ 72 Hz, 48.0 kHz hsync */ |
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87 | NULL, 72, 800, 600, 20000, 64, 56, 23, 37, 120, 6, |
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88 | FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED |
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89 | }, { |
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90 | /* 1024x768 @ 60 Hz, 48.4 kHz hsync */ |
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91 | NULL, 60, 1024, 768, 15384, 168, 8, 29, 3, 144, 6, |
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92 | 0, FB_VMODE_NONINTERLACED |
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93 | }, { |
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94 | /* 640x480 @ 100 Hz, 53.01 kHz hsync */ |
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95 | NULL, 100, 640, 480, 21834, 96, 32, 36, 8, 96, 6, |
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96 | 0, FB_VMODE_NONINTERLACED |
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97 | }, { |
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98 | /* 1152x864 @ 60 Hz, 53.5 kHz hsync */ |
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99 | NULL, 60, 1152, 864, 11123, 208, 64, 16, 4, 256, 8, |
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100 | 0, FB_VMODE_NONINTERLACED |
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101 | }, { |
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102 | /* 800x600 @ 85 Hz, 55.84 kHz hsync */ |
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103 | NULL, 85, 800, 600, 16460, 160, 64, 36, 16, 64, 5, |
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104 | 0, FB_VMODE_NONINTERLACED |
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105 | }, { |
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106 | /* 1024x768 @ 70 Hz, 56.5 kHz hsync */ |
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107 | NULL, 70, 1024, 768, 13333, 144, 24, 29, 3, 136, 6, |
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108 | 0, FB_VMODE_NONINTERLACED |
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109 | }, { |
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110 | /* 1280x1024 @ 87 Hz interlaced, 51 kHz hsync */ |
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111 | NULL, 87, 1280, 1024, 12500, 56, 16, 128, 1, 216, 12, |
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112 | 0, FB_VMODE_INTERLACED |
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113 | }, { |
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114 | /* 800x600 @ 100 Hz, 64.02 kHz hsync */ |
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115 | NULL, 100, 800, 600, 14357, 160, 64, 30, 4, 64, 6, |
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116 | 0, FB_VMODE_NONINTERLACED |
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117 | }, { |
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118 | /* 1024x768 @ 76 Hz, 62.5 kHz hsync */ |
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119 | NULL, 76, 1024, 768, 11764, 208, 8, 36, 16, 120, 3, |
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120 | 0, FB_VMODE_NONINTERLACED |
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121 | }, { |
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122 | /* 1152x864 @ 70 Hz, 62.4 kHz hsync */ |
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123 | NULL, 70, 1152, 864, 10869, 106, 56, 20, 1, 160, 10, |
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124 | 0, FB_VMODE_NONINTERLACED |
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125 | }, { |
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126 | /* 1280x1024 @ 61 Hz, 64.2 kHz hsync */ |
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127 | NULL, 61, 1280, 1024, 9090, 200, 48, 26, 1, 184, 3, |
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128 | 0, FB_VMODE_NONINTERLACED |
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129 | }, { |
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130 | /* 1400x1050 @ 60Hz, 63.9 kHz hsync */ |
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131 | NULL, 68, 1400, 1050, 9259, 136, 40, 13, 1, 112, 3, |
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132 | 0, FB_VMODE_NONINTERLACED |
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133 | }, { |
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134 | /* 1400x1050 @ 75,107 Hz, 82,392 kHz +hsync +vsync*/ |
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135 | "LCD_XGA_75", 75, 1400, 1050, 9271, 120, 56, 13, 0, 112, 3, |
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136 | FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED |
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137 | }, { |
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138 | /* 1400x1050 @ 60 Hz, ? kHz +hsync +vsync*/ |
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139 | "LCD_XGA_60", 60, 1400, 1050, 9259, 128, 40, 12, 0, 112, 3, |
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140 | FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED |
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141 | }, { |
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142 | /* 1024x768 @ 85 Hz, 70.24 kHz hsync */ |
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143 | NULL, 85, 1024, 768, 10111, 192, 32, 34, 14, 160, 6, |
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144 | 0, FB_VMODE_NONINTERLACED |
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145 | }, { |
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146 | /* 1152x864 @ 78 Hz, 70.8 kHz hsync */ |
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147 | NULL, 78, 1152, 864, 9090, 228, 88, 32, 0, 84, 12, |
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148 | 0, FB_VMODE_NONINTERLACED |
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149 | }, { |
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150 | /* 1280x1024 @ 70 Hz, 74.59 kHz hsync */ |
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151 | NULL, 70, 1280, 1024, 7905, 224, 32, 28, 8, 160, 8, |
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152 | 0, FB_VMODE_NONINTERLACED |
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153 | }, { |
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154 | /* 1600x1200 @ 60Hz, 75.00 kHz hsync */ |
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155 | NULL, 60, 1600, 1200, 6172, 304, 64, 46, 1, 192, 3, |
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156 | FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED |
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157 | }, { |
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158 | /* 1152x864 @ 84 Hz, 76.0 kHz hsync */ |
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159 | NULL, 84, 1152, 864, 7407, 184, 312, 32, 0, 128, 12, |
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160 | 0, FB_VMODE_NONINTERLACED |
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161 | }, { |
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162 | /* 1280x1024 @ 74 Hz, 78.85 kHz hsync */ |
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163 | NULL, 74, 1280, 1024, 7407, 256, 32, 34, 3, 144, 3, |
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164 | 0, FB_VMODE_NONINTERLACED |
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165 | }, { |
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166 | /* 1024x768 @ 100Hz, 80.21 kHz hsync */ |
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167 | NULL, 100, 1024, 768, 8658, 192, 32, 21, 3, 192, 10, |
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168 | 0, FB_VMODE_NONINTERLACED |
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169 | }, { |
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170 | /* 1280x1024 @ 76 Hz, 81.13 kHz hsync */ |
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171 | NULL, 76, 1280, 1024, 7407, 248, 32, 34, 3, 104, 3, |
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172 | 0, FB_VMODE_NONINTERLACED |
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173 | }, { |
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174 | /* 1600x1200 @ 70 Hz, 87.50 kHz hsync */ |
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175 | NULL, 70, 1600, 1200, 5291, 304, 64, 46, 1, 192, 3, |
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176 | 0, FB_VMODE_NONINTERLACED |
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177 | }, { |
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178 | /* 1152x864 @ 100 Hz, 89.62 kHz hsync */ |
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179 | NULL, 100, 1152, 864, 7264, 224, 32, 17, 2, 128, 19, |
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180 | 0, FB_VMODE_NONINTERLACED |
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181 | }, { |
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182 | /* 1280x1024 @ 85 Hz, 91.15 kHz hsync */ |
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183 | NULL, 85, 1280, 1024, 6349, 224, 64, 44, 1, 160, 3, |
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184 | FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED |
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185 | }, { |
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186 | /* 1600x1200 @ 75 Hz, 93.75 kHz hsync */ |
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187 | NULL, 75, 1600, 1200, 4938, 304, 64, 46, 1, 192, 3, |
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188 | FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED |
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189 | }, { |
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190 | /* 1600x1200 @ 85 Hz, 105.77 kHz hsync */ |
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191 | NULL, 85, 1600, 1200, 4545, 272, 16, 37, 4, 192, 3, |
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192 | FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED |
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193 | }, { |
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194 | /* 1280x1024 @ 100 Hz, 107.16 kHz hsync */ |
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195 | NULL, 100, 1280, 1024, 5502, 256, 32, 26, 7, 128, 15, |
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196 | 0, FB_VMODE_NONINTERLACED |
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197 | }, { |
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198 | /* 1800x1440 @ 64Hz, 96.15 kHz hsync */ |
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199 | NULL, 64, 1800, 1440, 4347, 304, 96, 46, 1, 192, 3, |
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200 | FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED |
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201 | }, { |
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202 | /* 1800x1440 @ 70Hz, 104.52 kHz hsync */ |
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203 | NULL, 70, 1800, 1440, 4000, 304, 96, 46, 1, 192, 3, |
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204 | FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED |
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205 | }, { |
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206 | /* 512x384 @ 78 Hz, 31.50 kHz hsync */ |
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207 | NULL, 78, 512, 384, 49603, 48, 16, 16, 1, 64, 3, |
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208 | 0, FB_VMODE_NONINTERLACED |
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209 | }, { |
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210 | /* 512x384 @ 85 Hz, 34.38 kHz hsync */ |
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211 | NULL, 85, 512, 384, 45454, 48, 16, 16, 1, 64, 3, |
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212 | 0, FB_VMODE_NONINTERLACED |
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213 | }, { |
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214 | /* 320x200 @ 70 Hz, 31.5 kHz hsync, 8:5 aspect ratio */ |
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215 | NULL, 70, 320, 200, 79440, 16, 16, 20, 4, 48, 1, |
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216 | 0, FB_VMODE_DOUBLE |
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217 | }, { |
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218 | /* 320x240 @ 60 Hz, 31.5 kHz hsync, 4:3 aspect ratio */ |
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219 | NULL, 60, 320, 240, 79440, 16, 16, 16, 5, 48, 1, |
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220 | 0, FB_VMODE_DOUBLE |
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221 | }, { |
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222 | /* 320x240 @ 72 Hz, 36.5 kHz hsync */ |
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223 | NULL, 72, 320, 240, 63492, 16, 16, 16, 4, 48, 2, |
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224 | 0, FB_VMODE_DOUBLE |
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225 | }, { |
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226 | /* 400x300 @ 56 Hz, 35.2 kHz hsync, 4:3 aspect ratio */ |
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227 | NULL, 56, 400, 300, 55555, 64, 16, 10, 1, 32, 1, |
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228 | 0, FB_VMODE_DOUBLE |
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229 | }, { |
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230 | /* 400x300 @ 60 Hz, 37.8 kHz hsync */ |
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231 | NULL, 60, 400, 300, 50000, 48, 16, 11, 1, 64, 2, |
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232 | 0, FB_VMODE_DOUBLE |
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233 | }, { |
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234 | /* 400x300 @ 72 Hz, 48.0 kHz hsync */ |
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235 | NULL, 72, 400, 300, 40000, 32, 24, 11, 19, 64, 3, |
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236 | 0, FB_VMODE_DOUBLE |
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237 | }, { |
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238 | /* 480x300 @ 56 Hz, 35.2 kHz hsync, 8:5 aspect ratio */ |
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239 | NULL, 56, 480, 300, 46176, 80, 16, 10, 1, 40, 1, |
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240 | 0, FB_VMODE_DOUBLE |
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241 | }, { |
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242 | /* 480x300 @ 60 Hz, 37.8 kHz hsync */ |
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243 | NULL, 60, 480, 300, 41858, 56, 16, 11, 1, 80, 2, |
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244 | 0, FB_VMODE_DOUBLE |
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245 | }, { |
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246 | /* 480x300 @ 63 Hz, 39.6 kHz hsync */ |
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247 | NULL, 63, 480, 300, 40000, 56, 16, 11, 1, 80, 2, |
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248 | 0, FB_VMODE_DOUBLE |
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249 | }, { |
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250 | /* 480x300 @ 72 Hz, 48.0 kHz hsync */ |
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251 | NULL, 72, 480, 300, 33386, 40, 24, 11, 19, 80, 3, |
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252 | 0, FB_VMODE_DOUBLE |
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253 | }, |
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254 | }; |
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255 | |||
256 | const struct fb_videomode vesa_modes[] = { |
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257 | /* 0 640x350-85 VESA */ |
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258 | { NULL, 85, 640, 350, 31746, 96, 32, 60, 32, 64, 3, |
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259 | FB_SYNC_HOR_HIGH_ACT, FB_VMODE_NONINTERLACED }, |
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260 | /* 1 640x400-85 VESA */ |
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261 | { NULL, 85, 640, 400, 31746, 96, 32, 41, 01, 64, 3, |
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262 | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED }, |
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263 | /* 2 720x400-85 VESA */ |
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264 | { NULL, 85, 721, 400, 28169, 108, 36, 42, 01, 72, 3, |
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265 | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED }, |
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266 | /* 3 640x480-60 VESA */ |
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267 | { NULL, 60, 640, 480, 39682, 48, 16, 33, 10, 96, 2, |
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268 | 0, FB_VMODE_NONINTERLACED }, |
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269 | /* 4 640x480-72 VESA */ |
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270 | { NULL, 72, 640, 480, 31746, 128, 24, 29, 9, 40, 2, |
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271 | 0, FB_VMODE_NONINTERLACED }, |
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272 | /* 5 640x480-75 VESA */ |
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273 | { NULL, 75, 640, 480, 31746, 120, 16, 16, 01, 64, 3, |
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274 | 0, FB_VMODE_NONINTERLACED }, |
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275 | /* 6 640x480-85 VESA */ |
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276 | { NULL, 85, 640, 480, 27777, 80, 56, 25, 01, 56, 3, |
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277 | 0, FB_VMODE_NONINTERLACED }, |
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278 | /* 7 800x600-56 VESA */ |
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279 | { NULL, 56, 800, 600, 27777, 128, 24, 22, 01, 72, 2, |
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280 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED }, |
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281 | /* 8 800x600-60 VESA */ |
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282 | { NULL, 60, 800, 600, 25000, 88, 40, 23, 01, 128, 4, |
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283 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED }, |
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284 | /* 9 800x600-72 VESA */ |
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285 | { NULL, 72, 800, 600, 20000, 64, 56, 23, 37, 120, 6, |
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286 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED }, |
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287 | /* 10 800x600-75 VESA */ |
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288 | { NULL, 75, 800, 600, 20202, 160, 16, 21, 01, 80, 3, |
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289 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED }, |
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290 | /* 11 800x600-85 VESA */ |
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291 | { NULL, 85, 800, 600, 17761, 152, 32, 27, 01, 64, 3, |
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292 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED }, |
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293 | /* 12 1024x768i-43 VESA */ |
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294 | { NULL, 53, 1024, 768, 22271, 56, 8, 41, 0, 176, 8, |
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295 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_INTERLACED }, |
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296 | /* 13 1024x768-60 VESA */ |
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297 | { NULL, 60, 1024, 768, 15384, 160, 24, 29, 3, 136, 6, |
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298 | 0, FB_VMODE_NONINTERLACED }, |
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299 | /* 14 1024x768-70 VESA */ |
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300 | { NULL, 70, 1024, 768, 13333, 144, 24, 29, 3, 136, 6, |
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301 | 0, FB_VMODE_NONINTERLACED }, |
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302 | /* 15 1024x768-75 VESA */ |
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303 | { NULL, 75, 1024, 768, 12690, 176, 16, 28, 1, 96, 3, |
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304 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED }, |
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305 | /* 16 1024x768-85 VESA */ |
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306 | { NULL, 85, 1024, 768, 10582, 208, 48, 36, 1, 96, 3, |
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307 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED }, |
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308 | /* 17 1152x864-75 VESA */ |
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309 | { NULL, 75, 1153, 864, 9259, 256, 64, 32, 1, 128, 3, |
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310 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED }, |
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311 | /* 18 1280x960-60 VESA */ |
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312 | { NULL, 60, 1280, 960, 9259, 312, 96, 36, 1, 112, 3, |
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313 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED }, |
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314 | /* 19 1280x960-85 VESA */ |
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315 | { NULL, 85, 1280, 960, 6734, 224, 64, 47, 1, 160, 3, |
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316 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED }, |
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317 | /* 20 1280x1024-60 VESA */ |
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318 | { NULL, 60, 1280, 1024, 9259, 248, 48, 38, 1, 112, 3, |
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319 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED }, |
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320 | /* 21 1280x1024-75 VESA */ |
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321 | { NULL, 75, 1280, 1024, 7407, 248, 16, 38, 1, 144, 3, |
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322 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED }, |
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323 | /* 22 1280x1024-85 VESA */ |
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324 | { NULL, 85, 1280, 1024, 6349, 224, 64, 44, 1, 160, 3, |
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325 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED }, |
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326 | /* 23 1600x1200-60 VESA */ |
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327 | { NULL, 60, 1600, 1200, 6172, 304, 64, 46, 1, 192, 3, |
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328 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED }, |
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329 | /* 24 1600x1200-65 VESA */ |
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330 | { NULL, 65, 1600, 1200, 5698, 304, 64, 46, 1, 192, 3, |
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331 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED }, |
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332 | /* 25 1600x1200-70 VESA */ |
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333 | { NULL, 70, 1600, 1200, 5291, 304, 64, 46, 1, 192, 3, |
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334 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED }, |
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335 | /* 26 1600x1200-75 VESA */ |
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336 | { NULL, 75, 1600, 1200, 4938, 304, 64, 46, 1, 192, 3, |
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337 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED }, |
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338 | /* 27 1600x1200-85 VESA */ |
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339 | { NULL, 85, 1600, 1200, 4357, 304, 64, 46, 1, 192, 3, |
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340 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED }, |
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341 | /* 28 1792x1344-60 VESA */ |
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342 | { NULL, 60, 1792, 1344, 4882, 328, 128, 46, 1, 200, 3, |
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343 | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED }, |
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344 | /* 29 1792x1344-75 VESA */ |
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345 | { NULL, 75, 1792, 1344, 3831, 352, 96, 69, 1, 216, 3, |
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346 | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED }, |
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347 | /* 30 1856x1392-60 VESA */ |
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348 | { NULL, 60, 1856, 1392, 4580, 352, 96, 43, 1, 224, 3, |
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349 | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED }, |
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350 | /* 31 1856x1392-75 VESA */ |
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351 | { NULL, 75, 1856, 1392, 3472, 352, 128, 104, 1, 224, 3, |
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352 | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED }, |
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353 | /* 32 1920x1440-60 VESA */ |
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354 | { NULL, 60, 1920, 1440, 4273, 344, 128, 56, 1, 200, 3, |
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355 | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED }, |
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356 | /* 33 1920x1440-75 VESA */ |
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357 | { NULL, 60, 1920, 1440, 3367, 352, 144, 56, 1, 224, 3, |
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358 | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED }, |
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359 | }; |
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360 | |||
361 | static int __init my_atoi(const char *name) |
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362 | { |
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363 | int val = 0; |
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364 | |||
365 | for (;; name++) { |
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366 | switch (*name) { |
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367 | case '0'...'9': |
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368 | val = 10*val+(*name-'0'); |
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369 | break; |
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370 | default: |
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371 | return val; |
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372 | } |
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373 | } |
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374 | } |
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375 | |||
376 | /** |
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377 | * __fb_try_mode - test a video mode |
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378 | * @var: frame buffer user defined part of display |
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379 | * @info: frame buffer info structure |
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380 | * @mode: frame buffer video mode structure |
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381 | * @bpp: color depth in bits per pixel |
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382 | * |
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383 | * Tries a video mode to test it's validity for device @info. |
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384 | * |
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385 | * Returns 1 on success. |
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386 | * |
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387 | */ |
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388 | |||
389 | int __fb_try_mode(struct fb_var_screeninfo *var, struct fb_info *info, |
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390 | const struct fb_videomode *mode, unsigned int bpp) |
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391 | { |
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392 | int err = 1; |
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393 | |||
394 | DPRINTK("Trying mode %s %dx%d-%d@%d\n", mode->name ? mode->name : "noname", |
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395 | mode->xres, mode->yres, bpp, mode->refresh); |
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396 | var->xres = mode->xres; |
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397 | var->yres = mode->yres; |
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398 | var->xres_virtual = mode->xres; |
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399 | var->yres_virtual = mode->yres; |
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400 | var->xoffset = 0; |
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401 | var->yoffset = 0; |
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402 | var->bits_per_pixel = bpp; |
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403 | var->activate |= FB_ACTIVATE_TEST; |
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404 | var->pixclock = mode->pixclock; |
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405 | var->left_margin = mode->left_margin; |
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406 | var->right_margin = mode->right_margin; |
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407 | var->upper_margin = mode->upper_margin; |
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408 | var->lower_margin = mode->lower_margin; |
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409 | var->hsync_len = mode->hsync_len; |
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410 | var->vsync_len = mode->vsync_len; |
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411 | var->sync = mode->sync; |
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412 | var->vmode = mode->vmode; |
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413 | if (info->fbops->fb_check_var) |
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414 | err = info->fbops->fb_check_var(var, info); |
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415 | var->activate &= ~FB_ACTIVATE_TEST; |
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416 | return !err; |
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417 | } |
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418 | |||
419 | |||
420 | /** |
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421 | * fb_find_mode - finds a valid video mode |
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422 | * @var: frame buffer user defined part of display |
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423 | * @info: frame buffer info structure |
||
424 | * @mode_option: string video mode to find |
||
425 | * @db: video mode database |
||
426 | * @dbsize: size of @db |
||
427 | * @default_mode: default video mode to fall back to |
||
428 | * @default_bpp: default color depth in bits per pixel |
||
429 | * |
||
430 | * Finds a suitable video mode, starting with the specified mode |
||
431 | * in @mode_option with fallback to @default_mode. If |
||
432 | * @default_mode fails, all modes in the video mode database will |
||
433 | * be tried. |
||
434 | * |
||
435 | * Valid mode specifiers for @mode_option: |
||
436 | * |
||
437 | * <xres>x<yres>[-<bpp>][@<refresh>] or |
||
438 | * <name>[-<bpp>][@<refresh>] |
||
439 | * |
||
440 | * with <xres>, <yres>, <bpp> and <refresh> decimal numbers and |
||
441 | * <name> a string. |
||
442 | * |
||
443 | * NOTE: The passed struct @var is _not_ cleared! This allows you |
||
444 | * to supply values for e.g. the grayscale and accel_flags fields. |
||
445 | * |
||
446 | * Returns zero for failure, 1 if using specified @mode_option, |
||
447 | * 2 if using specified @mode_option with an ignored refresh rate, |
||
448 | * 3 if default mode is used, 4 if fall back to any valid mode. |
||
449 | * |
||
450 | */ |
||
451 | |||
452 | int __init fb_find_mode(struct fb_var_screeninfo *var, |
||
453 | struct fb_info *info, const char *mode_option, |
||
454 | const struct fb_videomode *db, unsigned int dbsize, |
||
455 | const struct fb_videomode *default_mode, |
||
456 | unsigned int default_bpp) |
||
457 | { |
||
458 | int i, j; |
||
459 | |||
460 | /* Set up defaults */ |
||
461 | if (!db) { |
||
462 | db = modedb; |
||
463 | dbsize = sizeof(modedb)/sizeof(*modedb); |
||
464 | } |
||
465 | if (!default_mode) |
||
466 | default_mode = &modedb[DEFAULT_MODEDB_INDEX]; |
||
467 | if (!default_bpp) |
||
468 | default_bpp = 8; |
||
469 | |||
470 | /* Did the user specify a video mode? */ |
||
471 | if (mode_option || (mode_option = global_mode_option)) { |
||
472 | const char *name = mode_option; |
||
473 | unsigned int namelen = strlen(name); |
||
474 | int res_specified = 0, bpp_specified = 0, refresh_specified = 0; |
||
475 | unsigned int xres = 0, yres = 0, bpp = default_bpp, refresh = 0; |
||
476 | int yres_specified = 0; |
||
477 | |||
478 | for (i = namelen-1; i >= 0; i--) { |
||
479 | switch (name[i]) { |
||
480 | case '@': |
||
481 | namelen = i; |
||
482 | if (!refresh_specified && !bpp_specified && |
||
483 | !yres_specified) { |
||
484 | refresh = my_atoi(&name[i+1]); |
||
485 | refresh_specified = 1; |
||
486 | } else |
||
487 | goto done; |
||
488 | break; |
||
489 | case '-': |
||
490 | namelen = i; |
||
491 | if (!bpp_specified && !yres_specified) { |
||
492 | bpp = my_atoi(&name[i+1]); |
||
493 | bpp_specified = 1; |
||
494 | } else |
||
495 | goto done; |
||
496 | break; |
||
497 | case 'x': |
||
498 | if (!yres_specified) { |
||
499 | yres = my_atoi(&name[i+1]); |
||
500 | yres_specified = 1; |
||
501 | } else |
||
502 | goto done; |
||
503 | break; |
||
504 | case '0'...'9': |
||
505 | break; |
||
506 | default: |
||
507 | goto done; |
||
508 | } |
||
509 | } |
||
510 | if (i < 0 && yres_specified) { |
||
511 | xres = my_atoi(name); |
||
512 | res_specified = 1; |
||
513 | } |
||
514 | done: |
||
515 | for (i = refresh_specified; i >= 0; i--) { |
||
516 | DPRINTK("Trying specified video mode%s\n", |
||
517 | i ? "" : " (ignoring refresh rate)"); |
||
518 | for (j = 0; j < dbsize; j++) |
||
519 | if ((name_matches(db[j], name, namelen) || |
||
520 | (res_specified && res_matches(db[j], xres, yres))) && |
||
521 | (!i || db[j].refresh == refresh) && |
||
522 | __fb_try_mode(var, info, &db[j], bpp)) |
||
523 | return 2-i; |
||
524 | } |
||
525 | } |
||
526 | |||
527 | DPRINTK("Trying default video mode\n"); |
||
528 | if (__fb_try_mode(var, info, default_mode, default_bpp)) |
||
529 | return 3; |
||
530 | |||
531 | DPRINTK("Trying all modes\n"); |
||
532 | for (i = 0; i < dbsize; i++) |
||
533 | if (__fb_try_mode(var, info, &db[i], default_bpp)) |
||
534 | return 4; |
||
535 | |||
536 | DPRINTK("No valid mode found\n"); |
||
537 | return 0; |
||
538 | } |
||
539 | |||
540 | EXPORT_SYMBOL(__fb_try_mode); |
||
541 | EXPORT_SYMBOL(vesa_modes); |