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1408 | serge | 1 | /* |
2 | * Copyright © 2006 Keith Packard |
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3 | * Copyright © 2007-2008 Dave Airlie |
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4 | * Copyright © 2007-2008 Intel Corporation |
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5 | * Jesse Barnes |
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6 | * |
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7 | * Permission is hereby granted, free of charge, to any person obtaining a |
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8 | * copy of this software and associated documentation files (the "Software"), |
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9 | * to deal in the Software without restriction, including without limitation |
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10 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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11 | * and/or sell copies of the Software, and to permit persons to whom the |
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12 | * Software is furnished to do so, subject to the following conditions: |
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13 | * |
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14 | * The above copyright notice and this permission notice shall be included in |
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15 | * all copies or substantial portions of the Software. |
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16 | * |
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17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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18 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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19 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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20 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
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21 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
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22 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
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23 | * OTHER DEALINGS IN THE SOFTWARE. |
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24 | */ |
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25 | #ifndef __DRM_CRTC_H__ |
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26 | #define __DRM_CRTC_H__ |
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27 | |||
28 | #include |
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29 | //#include |
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30 | #include |
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31 | #include |
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32 | |||
33 | #include |
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34 | |||
35 | struct drm_device; |
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36 | struct drm_mode_set; |
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37 | struct drm_framebuffer; |
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38 | |||
39 | |||
40 | #define DRM_MODE_OBJECT_CRTC 0xcccccccc |
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41 | #define DRM_MODE_OBJECT_CONNECTOR 0xc0c0c0c0 |
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42 | #define DRM_MODE_OBJECT_ENCODER 0xe0e0e0e0 |
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43 | #define DRM_MODE_OBJECT_MODE 0xdededede |
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44 | #define DRM_MODE_OBJECT_PROPERTY 0xb0b0b0b0 |
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45 | #define DRM_MODE_OBJECT_FB 0xfbfbfbfb |
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46 | #define DRM_MODE_OBJECT_BLOB 0xbbbbbbbb |
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47 | |||
48 | struct drm_mode_object { |
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49 | uint32_t id; |
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50 | uint32_t type; |
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51 | }; |
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52 | |||
53 | /* |
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54 | * Note on terminology: here, for brevity and convenience, we refer to connector |
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55 | * control chips as 'CRTCs'. They can control any type of connector, VGA, LVDS, |
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56 | * DVI, etc. And 'screen' refers to the whole of the visible display, which |
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57 | * may span multiple monitors (and therefore multiple CRTC and connector |
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58 | * structures). |
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59 | */ |
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60 | |||
61 | enum drm_mode_status { |
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62 | MODE_OK = 0, /* Mode OK */ |
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63 | MODE_HSYNC, /* hsync out of range */ |
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64 | MODE_VSYNC, /* vsync out of range */ |
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65 | MODE_H_ILLEGAL, /* mode has illegal horizontal timings */ |
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66 | MODE_V_ILLEGAL, /* mode has illegal horizontal timings */ |
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67 | MODE_BAD_WIDTH, /* requires an unsupported linepitch */ |
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68 | MODE_NOMODE, /* no mode with a maching name */ |
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69 | MODE_NO_INTERLACE, /* interlaced mode not supported */ |
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70 | MODE_NO_DBLESCAN, /* doublescan mode not supported */ |
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71 | MODE_NO_VSCAN, /* multiscan mode not supported */ |
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72 | MODE_MEM, /* insufficient video memory */ |
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73 | MODE_VIRTUAL_X, /* mode width too large for specified virtual size */ |
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74 | MODE_VIRTUAL_Y, /* mode height too large for specified virtual size */ |
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75 | MODE_MEM_VIRT, /* insufficient video memory given virtual size */ |
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76 | MODE_NOCLOCK, /* no fixed clock available */ |
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77 | MODE_CLOCK_HIGH, /* clock required is too high */ |
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78 | MODE_CLOCK_LOW, /* clock required is too low */ |
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79 | MODE_CLOCK_RANGE, /* clock/mode isn't in a ClockRange */ |
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80 | MODE_BAD_HVALUE, /* horizontal timing was out of range */ |
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81 | MODE_BAD_VVALUE, /* vertical timing was out of range */ |
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82 | MODE_BAD_VSCAN, /* VScan value out of range */ |
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83 | MODE_HSYNC_NARROW, /* horizontal sync too narrow */ |
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84 | MODE_HSYNC_WIDE, /* horizontal sync too wide */ |
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85 | MODE_HBLANK_NARROW, /* horizontal blanking too narrow */ |
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86 | MODE_HBLANK_WIDE, /* horizontal blanking too wide */ |
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87 | MODE_VSYNC_NARROW, /* vertical sync too narrow */ |
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88 | MODE_VSYNC_WIDE, /* vertical sync too wide */ |
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89 | MODE_VBLANK_NARROW, /* vertical blanking too narrow */ |
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90 | MODE_VBLANK_WIDE, /* vertical blanking too wide */ |
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91 | MODE_PANEL, /* exceeds panel dimensions */ |
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92 | MODE_INTERLACE_WIDTH, /* width too large for interlaced mode */ |
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93 | MODE_ONE_WIDTH, /* only one width is supported */ |
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94 | MODE_ONE_HEIGHT, /* only one height is supported */ |
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95 | MODE_ONE_SIZE, /* only one resolution is supported */ |
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96 | MODE_NO_REDUCED, /* monitor doesn't accept reduced blanking */ |
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97 | MODE_UNVERIFIED = -3, /* mode needs to reverified */ |
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98 | MODE_BAD = -2, /* unspecified reason */ |
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99 | MODE_ERROR = -1 /* error condition */ |
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100 | }; |
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101 | |||
102 | #define DRM_MODE_TYPE_CLOCK_CRTC_C (DRM_MODE_TYPE_CLOCK_C | \ |
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103 | DRM_MODE_TYPE_CRTC_C) |
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104 | |||
105 | #define DRM_MODE(nm, t, c, hd, hss, hse, ht, hsk, vd, vss, vse, vt, vs, f) \ |
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106 | .name = nm, .status = 0, .type = (t), .clock = (c), \ |
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107 | .hdisplay = (hd), .hsync_start = (hss), .hsync_end = (hse), \ |
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108 | .htotal = (ht), .hskew = (hsk), .vdisplay = (vd), \ |
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109 | .vsync_start = (vss), .vsync_end = (vse), .vtotal = (vt), \ |
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110 | .vscan = (vs), .flags = (f), .vrefresh = 0 |
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111 | |||
112 | #define CRTC_INTERLACE_HALVE_V 0x1 /* halve V values for interlacing */ |
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113 | |||
114 | struct drm_display_mode { |
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115 | /* Header */ |
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116 | struct list_head head; |
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117 | struct drm_mode_object base; |
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118 | |||
119 | char name[DRM_DISPLAY_MODE_LEN]; |
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120 | |||
121 | int connector_count; |
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122 | enum drm_mode_status status; |
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123 | int type; |
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124 | |||
125 | /* Proposed mode values */ |
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126 | int clock; /* in kHz */ |
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127 | int hdisplay; |
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128 | int hsync_start; |
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129 | int hsync_end; |
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130 | int htotal; |
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131 | int hskew; |
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132 | int vdisplay; |
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133 | int vsync_start; |
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134 | int vsync_end; |
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135 | int vtotal; |
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136 | int vscan; |
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137 | unsigned int flags; |
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138 | |||
139 | /* Addressable image size (may be 0 for projectors, etc.) */ |
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140 | int width_mm; |
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141 | int height_mm; |
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142 | |||
143 | /* Actual mode we give to hw */ |
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144 | int clock_index; |
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145 | int synth_clock; |
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146 | int crtc_hdisplay; |
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147 | int crtc_hblank_start; |
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148 | int crtc_hblank_end; |
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149 | int crtc_hsync_start; |
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150 | int crtc_hsync_end; |
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151 | int crtc_htotal; |
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152 | int crtc_hskew; |
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153 | int crtc_vdisplay; |
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154 | int crtc_vblank_start; |
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155 | int crtc_vblank_end; |
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156 | int crtc_vsync_start; |
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157 | int crtc_vsync_end; |
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158 | int crtc_vtotal; |
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159 | int crtc_hadjusted; |
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160 | int crtc_vadjusted; |
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161 | |||
162 | /* Driver private mode info */ |
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163 | int private_size; |
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164 | int *private; |
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165 | int private_flags; |
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166 | |||
167 | int vrefresh; /* in Hz */ |
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168 | int hsync; /* in kHz */ |
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169 | }; |
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170 | |||
171 | enum drm_connector_status { |
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172 | connector_status_connected = 1, |
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173 | connector_status_disconnected = 2, |
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174 | connector_status_unknown = 3, |
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175 | }; |
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176 | |||
177 | enum subpixel_order { |
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178 | SubPixelUnknown = 0, |
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179 | SubPixelHorizontalRGB, |
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180 | SubPixelHorizontalBGR, |
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181 | SubPixelVerticalRGB, |
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182 | SubPixelVerticalBGR, |
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183 | SubPixelNone, |
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184 | }; |
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185 | |||
186 | |||
187 | /* |
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188 | * Describes a given display (e.g. CRT or flat panel) and its limitations. |
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189 | */ |
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190 | struct drm_display_info { |
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191 | char name[DRM_DISPLAY_INFO_LEN]; |
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192 | /* Input info */ |
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193 | bool serration_vsync; |
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194 | bool sync_on_green; |
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195 | bool composite_sync; |
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196 | bool separate_syncs; |
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197 | bool blank_to_black; |
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198 | unsigned char video_level; |
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199 | bool digital; |
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200 | /* Physical size */ |
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201 | unsigned int width_mm; |
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202 | unsigned int height_mm; |
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203 | |||
204 | /* Display parameters */ |
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205 | unsigned char gamma; /* FIXME: storage format */ |
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206 | bool gtf_supported; |
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207 | bool standard_color; |
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208 | enum { |
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209 | monochrome = 0, |
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210 | rgb, |
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211 | other, |
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212 | unknown, |
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213 | } display_type; |
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214 | bool active_off_supported; |
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215 | bool suspend_supported; |
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216 | bool standby_supported; |
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217 | |||
218 | /* Color info FIXME: storage format */ |
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219 | unsigned short redx, redy; |
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220 | unsigned short greenx, greeny; |
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221 | unsigned short bluex, bluey; |
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222 | unsigned short whitex, whitey; |
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223 | |||
224 | /* Clock limits FIXME: storage format */ |
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225 | unsigned int min_vfreq, max_vfreq; |
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226 | unsigned int min_hfreq, max_hfreq; |
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227 | unsigned int pixel_clock; |
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228 | |||
229 | /* White point indices FIXME: storage format */ |
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230 | unsigned int wpx1, wpy1; |
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231 | unsigned int wpgamma1; |
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232 | unsigned int wpx2, wpy2; |
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233 | unsigned int wpgamma2; |
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234 | |||
235 | enum subpixel_order subpixel_order; |
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236 | |||
237 | char *raw_edid; /* if any */ |
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238 | }; |
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239 | |||
240 | struct drm_framebuffer_funcs { |
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241 | void (*destroy)(struct drm_framebuffer *framebuffer); |
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242 | int (*create_handle)(struct drm_framebuffer *fb, |
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243 | struct drm_file *file_priv, |
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244 | unsigned int *handle); |
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245 | /** |
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246 | * Optinal callback for the dirty fb ioctl. |
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247 | * |
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248 | * Userspace can notify the driver via this callback |
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249 | * that a area of the framebuffer has changed and should |
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250 | * be flushed to the display hardware. |
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251 | * |
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252 | * See documentation in drm_mode.h for the struct |
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253 | * drm_mode_fb_dirty_cmd for more information as all |
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254 | * the semantics and arguments have a one to one mapping |
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255 | * on this function. |
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256 | */ |
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257 | int (*dirty)(struct drm_framebuffer *framebuffer, unsigned flags, |
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258 | unsigned color, struct drm_clip_rect *clips, |
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259 | unsigned num_clips); |
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260 | }; |
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261 | |||
262 | struct drm_framebuffer { |
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263 | struct drm_device *dev; |
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264 | struct list_head head; |
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265 | struct drm_mode_object base; |
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266 | const struct drm_framebuffer_funcs *funcs; |
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267 | unsigned int pitch; |
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268 | unsigned int width; |
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269 | unsigned int height; |
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270 | /* depth can be 15 or 16 */ |
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271 | unsigned int depth; |
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272 | int bits_per_pixel; |
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273 | int flags; |
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274 | struct fb_info *fbdev; |
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275 | u32 pseudo_palette[17]; |
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276 | struct list_head filp_head; |
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277 | /* if you are using the helper */ |
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278 | void *helper_private; |
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279 | }; |
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280 | |||
281 | struct drm_property_blob { |
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282 | struct drm_mode_object base; |
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283 | struct list_head head; |
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284 | unsigned int length; |
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285 | void *data; |
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286 | }; |
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287 | |||
288 | struct drm_property_enum { |
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289 | uint64_t value; |
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290 | struct list_head head; |
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291 | char name[DRM_PROP_NAME_LEN]; |
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292 | }; |
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293 | |||
294 | struct drm_property { |
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295 | struct list_head head; |
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296 | struct drm_mode_object base; |
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297 | uint32_t flags; |
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298 | char name[DRM_PROP_NAME_LEN]; |
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299 | uint32_t num_values; |
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300 | uint64_t *values; |
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301 | |||
302 | struct list_head enum_blob_list; |
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303 | }; |
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304 | |||
305 | struct drm_crtc; |
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306 | struct drm_connector; |
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307 | struct drm_encoder; |
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308 | struct drm_pending_vblank_event; |
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309 | |||
310 | /** |
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311 | * drm_crtc_funcs - control CRTCs for a given device |
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312 | * @dpms: control display power levels |
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313 | * @save: save CRTC state |
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314 | * @resore: restore CRTC state |
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315 | * @lock: lock the CRTC |
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316 | * @unlock: unlock the CRTC |
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317 | * @shadow_allocate: allocate shadow pixmap |
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318 | * @shadow_create: create shadow pixmap for rotation support |
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319 | * @shadow_destroy: free shadow pixmap |
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320 | * @mode_fixup: fixup proposed mode |
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321 | * @mode_set: set the desired mode on the CRTC |
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322 | * @gamma_set: specify color ramp for CRTC |
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323 | * @destroy: deinit and free object. |
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324 | * |
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325 | * The drm_crtc_funcs structure is the central CRTC management structure |
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326 | * in the DRM. Each CRTC controls one or more connectors (note that the name |
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327 | * CRTC is simply historical, a CRTC may control LVDS, VGA, DVI, TV out, etc. |
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328 | * connectors, not just CRTs). |
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329 | * |
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330 | * Each driver is responsible for filling out this structure at startup time, |
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331 | * in addition to providing other modesetting features, like i2c and DDC |
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332 | * bus accessors. |
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333 | */ |
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334 | struct drm_crtc_funcs { |
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335 | /* Save CRTC state */ |
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336 | void (*save)(struct drm_crtc *crtc); /* suspend? */ |
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337 | /* Restore CRTC state */ |
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338 | void (*restore)(struct drm_crtc *crtc); /* resume? */ |
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339 | |||
340 | /* cursor controls */ |
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341 | int (*cursor_set)(struct drm_crtc *crtc, struct drm_file *file_priv, |
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342 | uint32_t handle, uint32_t width, uint32_t height); |
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343 | int (*cursor_move)(struct drm_crtc *crtc, int x, int y); |
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344 | |||
345 | /* Set gamma on the CRTC */ |
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346 | void (*gamma_set)(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b, |
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347 | uint32_t size); |
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348 | /* Object destroy routine */ |
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349 | void (*destroy)(struct drm_crtc *crtc); |
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350 | |||
351 | int (*set_config)(struct drm_mode_set *set); |
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352 | |||
353 | /* |
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354 | * Flip to the given framebuffer. This implements the page |
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355 | * flip ioctl descibed in drm_mode.h, specifically, the |
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356 | * implementation must return immediately and block all |
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357 | * rendering to the current fb until the flip has completed. |
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358 | * If userspace set the event flag in the ioctl, the event |
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359 | * argument will point to an event to send back when the flip |
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360 | * completes, otherwise it will be NULL. |
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361 | */ |
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362 | int (*page_flip)(struct drm_crtc *crtc, |
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363 | struct drm_framebuffer *fb, |
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364 | struct drm_pending_vblank_event *event); |
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365 | }; |
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366 | |||
367 | /** |
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368 | * drm_crtc - central CRTC control structure |
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369 | * @enabled: is this CRTC enabled? |
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370 | * @x: x position on screen |
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371 | * @y: y position on screen |
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372 | * @desired_mode: new desired mode |
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373 | * @desired_x: desired x for desired_mode |
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374 | * @desired_y: desired y for desired_mode |
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375 | * @funcs: CRTC control functions |
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376 | * |
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377 | * Each CRTC may have one or more connectors associated with it. This structure |
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378 | * allows the CRTC to be controlled. |
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379 | */ |
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380 | struct drm_crtc { |
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381 | struct drm_device *dev; |
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382 | struct list_head head; |
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383 | |||
384 | struct drm_mode_object base; |
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385 | |||
386 | /* framebuffer the connector is currently bound to */ |
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387 | struct drm_framebuffer *fb; |
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388 | |||
389 | bool enabled; |
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390 | |||
391 | struct drm_display_mode mode; |
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392 | |||
393 | int x, y; |
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394 | struct drm_display_mode *desired_mode; |
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395 | int desired_x, desired_y; |
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396 | const struct drm_crtc_funcs *funcs; |
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397 | |||
398 | /* CRTC gamma size for reporting to userspace */ |
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399 | uint32_t gamma_size; |
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400 | uint16_t *gamma_store; |
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401 | |||
402 | /* if you are using the helper */ |
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403 | void *helper_private; |
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404 | }; |
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405 | |||
406 | |||
407 | /** |
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408 | * drm_connector_funcs - control connectors on a given device |
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409 | * @dpms: set power state (see drm_crtc_funcs above) |
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410 | * @save: save connector state |
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411 | * @restore: restore connector state |
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412 | * @mode_valid: is this mode valid on the given connector? |
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413 | * @mode_fixup: try to fixup proposed mode for this connector |
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414 | * @mode_set: set this mode |
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415 | * @detect: is this connector active? |
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416 | * @get_modes: get mode list for this connector |
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417 | * @set_property: property for this connector may need update |
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418 | * @destroy: make object go away |
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419 | * @force: notify the driver the connector is forced on |
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420 | * |
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421 | * Each CRTC may have one or more connectors attached to it. The functions |
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422 | * below allow the core DRM code to control connectors, enumerate available modes, |
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423 | * etc. |
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424 | */ |
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425 | struct drm_connector_funcs { |
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426 | void (*dpms)(struct drm_connector *connector, int mode); |
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427 | void (*save)(struct drm_connector *connector); |
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428 | void (*restore)(struct drm_connector *connector); |
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429 | enum drm_connector_status (*detect)(struct drm_connector *connector); |
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430 | int (*fill_modes)(struct drm_connector *connector, uint32_t max_width, uint32_t max_height); |
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431 | int (*set_property)(struct drm_connector *connector, struct drm_property *property, |
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432 | uint64_t val); |
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433 | void (*destroy)(struct drm_connector *connector); |
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434 | void (*force)(struct drm_connector *connector); |
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435 | }; |
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436 | |||
437 | struct drm_encoder_funcs { |
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438 | void (*destroy)(struct drm_encoder *encoder); |
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439 | }; |
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440 | |||
441 | #define DRM_CONNECTOR_MAX_UMODES 16 |
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442 | #define DRM_CONNECTOR_MAX_PROPERTY 16 |
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443 | #define DRM_CONNECTOR_LEN 32 |
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444 | #define DRM_CONNECTOR_MAX_ENCODER 2 |
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445 | |||
446 | /** |
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447 | * drm_encoder - central DRM encoder structure |
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448 | */ |
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449 | struct drm_encoder { |
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450 | struct drm_device *dev; |
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451 | struct list_head head; |
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452 | |||
453 | struct drm_mode_object base; |
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454 | int encoder_type; |
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455 | uint32_t possible_crtcs; |
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456 | uint32_t possible_clones; |
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457 | |||
458 | struct drm_crtc *crtc; |
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459 | const struct drm_encoder_funcs *funcs; |
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460 | void *helper_private; |
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461 | }; |
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462 | |||
463 | enum drm_connector_force { |
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464 | DRM_FORCE_UNSPECIFIED, |
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465 | DRM_FORCE_OFF, |
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466 | DRM_FORCE_ON, /* force on analog part normally */ |
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467 | DRM_FORCE_ON_DIGITAL, /* for DVI-I use digital connector */ |
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468 | }; |
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469 | |||
470 | /** |
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471 | * drm_connector - central DRM connector control structure |
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472 | * @crtc: CRTC this connector is currently connected to, NULL if none |
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473 | * @interlace_allowed: can this connector handle interlaced modes? |
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474 | * @doublescan_allowed: can this connector handle doublescan? |
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475 | * @available_modes: modes available on this connector (from get_modes() + user) |
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476 | * @initial_x: initial x position for this connector |
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477 | * @initial_y: initial y position for this connector |
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478 | * @status: connector connected? |
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479 | * @funcs: connector control functions |
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480 | * |
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481 | * Each connector may be connected to one or more CRTCs, or may be clonable by |
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482 | * another connector if they can share a CRTC. Each connector also has a specific |
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483 | * position in the broader display (referred to as a 'screen' though it could |
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484 | * span multiple monitors). |
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485 | */ |
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486 | struct drm_connector { |
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487 | struct drm_device *dev; |
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488 | // struct device kdev; |
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489 | struct device_attribute *attr; |
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490 | struct list_head head; |
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491 | |||
492 | struct drm_mode_object base; |
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493 | |||
494 | int connector_type; |
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495 | int connector_type_id; |
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496 | bool interlace_allowed; |
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497 | bool doublescan_allowed; |
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498 | struct list_head modes; /* list of modes on this connector */ |
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499 | |||
500 | int initial_x, initial_y; |
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501 | enum drm_connector_status status; |
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502 | |||
503 | /* these are modes added by probing with DDC or the BIOS */ |
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504 | struct list_head probed_modes; |
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505 | |||
506 | struct drm_display_info display_info; |
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507 | const struct drm_connector_funcs *funcs; |
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508 | |||
509 | struct list_head user_modes; |
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510 | struct drm_property_blob *edid_blob_ptr; |
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511 | u32 property_ids[DRM_CONNECTOR_MAX_PROPERTY]; |
||
512 | uint64_t property_values[DRM_CONNECTOR_MAX_PROPERTY]; |
||
513 | |||
514 | /* requested DPMS state */ |
||
515 | int dpms; |
||
516 | |||
517 | void *helper_private; |
||
518 | |||
519 | /* forced on connector */ |
||
520 | enum drm_connector_force force; |
||
521 | uint32_t encoder_ids[DRM_CONNECTOR_MAX_ENCODER]; |
||
522 | uint32_t force_encoder_id; |
||
523 | struct drm_encoder *encoder; /* currently active encoder */ |
||
524 | void *fb_helper_private; |
||
525 | }; |
||
526 | |||
527 | /** |
||
528 | * struct drm_mode_set |
||
529 | * |
||
530 | * Represents a single crtc the connectors that it drives with what mode |
||
531 | * and from which framebuffer it scans out from. |
||
532 | * |
||
533 | * This is used to set modes. |
||
534 | */ |
||
535 | struct drm_mode_set { |
||
536 | struct list_head head; |
||
537 | |||
538 | struct drm_framebuffer *fb; |
||
539 | struct drm_crtc *crtc; |
||
540 | struct drm_display_mode *mode; |
||
541 | |||
542 | uint32_t x; |
||
543 | uint32_t y; |
||
544 | |||
545 | struct drm_connector **connectors; |
||
546 | size_t num_connectors; |
||
547 | }; |
||
548 | |||
549 | /** |
||
550 | * struct drm_mode_config_funcs - configure CRTCs for a given screen layout |
||
551 | * @resize: adjust CRTCs as necessary for the proposed layout |
||
552 | * |
||
553 | * Currently only a resize hook is available. DRM will call back into the |
||
554 | * driver with a new screen width and height. If the driver can't support |
||
555 | * the proposed size, it can return false. Otherwise it should adjust |
||
556 | * the CRTC<->connector mappings as needed and update its view of the screen. |
||
557 | */ |
||
558 | struct drm_mode_config_funcs { |
||
559 | struct drm_framebuffer *(*fb_create)(struct drm_device *dev, struct drm_file *file_priv, struct drm_mode_fb_cmd *mode_cmd); |
||
560 | int (*fb_changed)(struct drm_device *dev); |
||
561 | }; |
||
562 | |||
563 | struct drm_mode_group { |
||
564 | uint32_t num_crtcs; |
||
565 | uint32_t num_encoders; |
||
566 | uint32_t num_connectors; |
||
567 | |||
568 | /* list of object IDs for this group */ |
||
569 | uint32_t *id_list; |
||
570 | }; |
||
571 | |||
572 | /** |
||
573 | * drm_mode_config - Mode configuration control structure |
||
574 | * |
||
575 | */ |
||
576 | struct drm_mode_config { |
||
577 | // struct mutex mutex; /* protects configuration (mode lists etc.) */ |
||
578 | // struct mutex idr_mutex; /* for IDR management */ |
||
579 | struct idr crtc_idr; /* use this idr for all IDs, fb, crtc, connector, modes - just makes life easier */ |
||
580 | /* this is limited to one for now */ |
||
581 | int num_fb; |
||
582 | struct list_head fb_list; |
||
583 | int num_connector; |
||
584 | struct list_head connector_list; |
||
585 | int num_encoder; |
||
586 | struct list_head encoder_list; |
||
587 | |||
588 | int num_crtc; |
||
589 | struct list_head crtc_list; |
||
590 | |||
591 | struct list_head property_list; |
||
592 | |||
593 | /* in-kernel framebuffers - hung of filp_head in drm_framebuffer */ |
||
594 | struct list_head fb_kernel_list; |
||
595 | |||
596 | int min_width, min_height; |
||
597 | int max_width, max_height; |
||
598 | struct drm_mode_config_funcs *funcs; |
||
599 | resource_size_t fb_base; |
||
600 | |||
601 | /* pointers to standard properties */ |
||
602 | struct list_head property_blob_list; |
||
603 | struct drm_property *edid_property; |
||
604 | struct drm_property *dpms_property; |
||
605 | |||
606 | /* DVI-I properties */ |
||
607 | struct drm_property *dvi_i_subconnector_property; |
||
608 | struct drm_property *dvi_i_select_subconnector_property; |
||
609 | |||
610 | /* TV properties */ |
||
611 | struct drm_property *tv_subconnector_property; |
||
612 | struct drm_property *tv_select_subconnector_property; |
||
613 | struct drm_property *tv_mode_property; |
||
614 | struct drm_property *tv_left_margin_property; |
||
615 | struct drm_property *tv_right_margin_property; |
||
616 | struct drm_property *tv_top_margin_property; |
||
617 | struct drm_property *tv_bottom_margin_property; |
||
618 | struct drm_property *tv_brightness_property; |
||
619 | struct drm_property *tv_contrast_property; |
||
620 | struct drm_property *tv_flicker_reduction_property; |
||
621 | struct drm_property *tv_overscan_property; |
||
622 | struct drm_property *tv_saturation_property; |
||
623 | struct drm_property *tv_hue_property; |
||
624 | |||
625 | /* Optional properties */ |
||
626 | struct drm_property *scaling_mode_property; |
||
627 | struct drm_property *dithering_mode_property; |
||
628 | struct drm_property *dirty_info_property; |
||
629 | }; |
||
630 | |||
631 | #define obj_to_crtc(x) container_of(x, struct drm_crtc, base) |
||
632 | #define obj_to_connector(x) container_of(x, struct drm_connector, base) |
||
633 | #define obj_to_encoder(x) container_of(x, struct drm_encoder, base) |
||
634 | #define obj_to_mode(x) container_of(x, struct drm_display_mode, base) |
||
635 | #define obj_to_fb(x) container_of(x, struct drm_framebuffer, base) |
||
636 | #define obj_to_property(x) container_of(x, struct drm_property, base) |
||
637 | #define obj_to_blob(x) container_of(x, struct drm_property_blob, base) |
||
638 | |||
639 | |||
640 | extern void drm_crtc_init(struct drm_device *dev, |
||
641 | struct drm_crtc *crtc, |
||
642 | const struct drm_crtc_funcs *funcs); |
||
643 | extern void drm_crtc_cleanup(struct drm_crtc *crtc); |
||
644 | |||
645 | extern void drm_connector_init(struct drm_device *dev, |
||
646 | struct drm_connector *connector, |
||
647 | const struct drm_connector_funcs *funcs, |
||
648 | int connector_type); |
||
649 | |||
650 | extern void drm_connector_cleanup(struct drm_connector *connector); |
||
651 | |||
652 | extern void drm_encoder_init(struct drm_device *dev, |
||
653 | struct drm_encoder *encoder, |
||
654 | const struct drm_encoder_funcs *funcs, |
||
655 | int encoder_type); |
||
656 | |||
657 | extern void drm_encoder_cleanup(struct drm_encoder *encoder); |
||
658 | |||
659 | extern char *drm_get_connector_name(struct drm_connector *connector); |
||
660 | extern char *drm_get_dpms_name(int val); |
||
661 | extern char *drm_get_dvi_i_subconnector_name(int val); |
||
662 | extern char *drm_get_dvi_i_select_name(int val); |
||
663 | extern char *drm_get_tv_subconnector_name(int val); |
||
664 | extern char *drm_get_tv_select_name(int val); |
||
665 | //extern void drm_fb_release(struct drm_file *file_priv); |
||
666 | extern int drm_mode_group_init_legacy_group(struct drm_device *dev, struct drm_mode_group *group); |
||
667 | extern struct edid *drm_get_edid(struct drm_connector *connector, |
||
668 | struct i2c_adapter *adapter); |
||
669 | //extern int drm_do_probe_ddc_edid(struct i2c_adapter *adapter, |
||
670 | // unsigned char *buf, int len); |
||
671 | extern int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid); |
||
672 | extern void drm_mode_probed_add(struct drm_connector *connector, struct drm_display_mode *mode); |
||
673 | extern void drm_mode_remove(struct drm_connector *connector, struct drm_display_mode *mode); |
||
674 | extern struct drm_display_mode *drm_mode_duplicate(struct drm_device *dev, |
||
675 | struct drm_display_mode *mode); |
||
676 | extern void drm_mode_debug_printmodeline(struct drm_display_mode *mode); |
||
677 | extern void drm_mode_config_init(struct drm_device *dev); |
||
678 | extern void drm_mode_config_cleanup(struct drm_device *dev); |
||
679 | extern void drm_mode_set_name(struct drm_display_mode *mode); |
||
680 | extern bool drm_mode_equal(struct drm_display_mode *mode1, struct drm_display_mode *mode2); |
||
681 | extern int drm_mode_width(struct drm_display_mode *mode); |
||
682 | extern int drm_mode_height(struct drm_display_mode *mode); |
||
683 | |||
684 | /* for us by fb module */ |
||
685 | extern int drm_mode_attachmode_crtc(struct drm_device *dev, |
||
686 | struct drm_crtc *crtc, |
||
687 | struct drm_display_mode *mode); |
||
688 | extern int drm_mode_detachmode_crtc(struct drm_device *dev, struct drm_display_mode *mode); |
||
689 | |||
690 | extern struct drm_display_mode *drm_mode_create(struct drm_device *dev); |
||
691 | extern void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode); |
||
692 | extern void drm_mode_list_concat(struct list_head *head, |
||
693 | struct list_head *new); |
||
694 | extern void drm_mode_validate_size(struct drm_device *dev, |
||
695 | struct list_head *mode_list, |
||
696 | int maxX, int maxY, int maxPitch); |
||
697 | extern void drm_mode_prune_invalid(struct drm_device *dev, |
||
698 | struct list_head *mode_list, bool verbose); |
||
699 | extern void drm_mode_sort(struct list_head *mode_list); |
||
700 | extern int drm_mode_hsync(struct drm_display_mode *mode); |
||
701 | extern int drm_mode_vrefresh(struct drm_display_mode *mode); |
||
702 | extern void drm_mode_set_crtcinfo(struct drm_display_mode *p, |
||
703 | int adjust_flags); |
||
704 | extern void drm_mode_connector_list_update(struct drm_connector *connector); |
||
705 | extern int drm_mode_connector_update_edid_property(struct drm_connector *connector, |
||
706 | struct edid *edid); |
||
707 | extern int drm_connector_property_set_value(struct drm_connector *connector, |
||
708 | struct drm_property *property, |
||
709 | uint64_t value); |
||
710 | extern int drm_connector_property_get_value(struct drm_connector *connector, |
||
711 | struct drm_property *property, |
||
712 | uint64_t *value); |
||
713 | extern struct drm_display_mode *drm_crtc_mode_create(struct drm_device *dev); |
||
714 | extern void drm_framebuffer_set_object(struct drm_device *dev, |
||
715 | unsigned long handle); |
||
716 | extern int drm_framebuffer_init(struct drm_device *dev, |
||
717 | struct drm_framebuffer *fb, |
||
718 | const struct drm_framebuffer_funcs *funcs); |
||
719 | extern void drm_framebuffer_cleanup(struct drm_framebuffer *fb); |
||
720 | extern int drmfb_probe(struct drm_device *dev, struct drm_crtc *crtc); |
||
721 | extern int drmfb_remove(struct drm_device *dev, struct drm_framebuffer *fb); |
||
722 | extern void drm_crtc_probe_connector_modes(struct drm_device *dev, int maxX, int maxY); |
||
723 | extern bool drm_crtc_in_use(struct drm_crtc *crtc); |
||
724 | |||
725 | extern int drm_connector_attach_property(struct drm_connector *connector, |
||
726 | struct drm_property *property, uint64_t init_val); |
||
727 | extern struct drm_property *drm_property_create(struct drm_device *dev, int flags, |
||
728 | const char *name, int num_values); |
||
729 | extern void drm_property_destroy(struct drm_device *dev, struct drm_property *property); |
||
730 | extern int drm_property_add_enum(struct drm_property *property, int index, |
||
731 | uint64_t value, const char *name); |
||
732 | extern int drm_mode_create_dvi_i_properties(struct drm_device *dev); |
||
733 | extern int drm_mode_create_tv_properties(struct drm_device *dev, int num_formats, |
||
734 | char *formats[]); |
||
735 | extern int drm_mode_create_scaling_mode_property(struct drm_device *dev); |
||
736 | extern int drm_mode_create_dithering_property(struct drm_device *dev); |
||
737 | extern int drm_mode_create_dirty_info_property(struct drm_device *dev); |
||
738 | extern char *drm_get_encoder_name(struct drm_encoder *encoder); |
||
739 | |||
740 | extern int drm_mode_connector_attach_encoder(struct drm_connector *connector, |
||
741 | struct drm_encoder *encoder); |
||
742 | extern void drm_mode_connector_detach_encoder(struct drm_connector *connector, |
||
743 | struct drm_encoder *encoder); |
||
744 | extern bool drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc, |
||
745 | int gamma_size); |
||
746 | extern struct drm_mode_object *drm_mode_object_find(struct drm_device *dev, |
||
747 | uint32_t id, uint32_t type); |
||
748 | /* IOCTLs */ |
||
749 | extern int drm_mode_getresources(struct drm_device *dev, |
||
750 | void *data, struct drm_file *file_priv); |
||
751 | |||
752 | extern int drm_mode_getcrtc(struct drm_device *dev, |
||
753 | void *data, struct drm_file *file_priv); |
||
754 | extern int drm_mode_getconnector(struct drm_device *dev, |
||
755 | void *data, struct drm_file *file_priv); |
||
756 | extern int drm_mode_setcrtc(struct drm_device *dev, |
||
757 | void *data, struct drm_file *file_priv); |
||
758 | extern int drm_mode_cursor_ioctl(struct drm_device *dev, |
||
759 | void *data, struct drm_file *file_priv); |
||
760 | extern int drm_mode_addfb(struct drm_device *dev, |
||
761 | void *data, struct drm_file *file_priv); |
||
762 | extern int drm_mode_rmfb(struct drm_device *dev, |
||
763 | void *data, struct drm_file *file_priv); |
||
764 | extern int drm_mode_getfb(struct drm_device *dev, |
||
765 | void *data, struct drm_file *file_priv); |
||
766 | extern int drm_mode_dirtyfb_ioctl(struct drm_device *dev, |
||
767 | void *data, struct drm_file *file_priv); |
||
768 | extern int drm_mode_addmode_ioctl(struct drm_device *dev, |
||
769 | void *data, struct drm_file *file_priv); |
||
770 | extern int drm_mode_rmmode_ioctl(struct drm_device *dev, |
||
771 | void *data, struct drm_file *file_priv); |
||
772 | extern int drm_mode_attachmode_ioctl(struct drm_device *dev, |
||
773 | void *data, struct drm_file *file_priv); |
||
774 | extern int drm_mode_detachmode_ioctl(struct drm_device *dev, |
||
775 | void *data, struct drm_file *file_priv); |
||
776 | |||
777 | extern int drm_mode_getproperty_ioctl(struct drm_device *dev, |
||
778 | void *data, struct drm_file *file_priv); |
||
779 | extern int drm_mode_getblob_ioctl(struct drm_device *dev, |
||
780 | void *data, struct drm_file *file_priv); |
||
781 | extern int drm_mode_connector_property_set_ioctl(struct drm_device *dev, |
||
782 | void *data, struct drm_file *file_priv); |
||
783 | extern int drm_mode_hotplug_ioctl(struct drm_device *dev, |
||
784 | void *data, struct drm_file *file_priv); |
||
785 | extern int drm_mode_replacefb(struct drm_device *dev, |
||
786 | void *data, struct drm_file *file_priv); |
||
787 | extern int drm_mode_getencoder(struct drm_device *dev, |
||
788 | void *data, struct drm_file *file_priv); |
||
789 | extern int drm_mode_gamma_get_ioctl(struct drm_device *dev, |
||
790 | void *data, struct drm_file *file_priv); |
||
791 | extern int drm_mode_gamma_set_ioctl(struct drm_device *dev, |
||
792 | void *data, struct drm_file *file_priv); |
||
793 | extern bool drm_detect_hdmi_monitor(struct edid *edid); |
||
794 | extern int drm_mode_page_flip_ioctl(struct drm_device *dev, |
||
795 | void *data, struct drm_file *file_priv); |
||
796 | extern struct drm_display_mode *drm_cvt_mode(struct drm_device *dev, |
||
797 | int hdisplay, int vdisplay, int vrefresh, |
||
798 | bool reduced, bool interlaced, bool margins); |
||
799 | extern struct drm_display_mode *drm_gtf_mode(struct drm_device *dev, |
||
800 | int hdisplay, int vdisplay, int vrefresh, |
||
801 | bool interlaced, int margins); |
||
802 | extern int drm_add_modes_noedid(struct drm_connector *connector, |
||
803 | int hdisplay, int vdisplay); |
||
804 | #endif /* __DRM_CRTC_H__ */-> |