Rev 1125 | Go to most recent revision | Details | Last modification | View Log | RSS feed
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1123 | serge | 1 | /* |
2 | * Copyright (c) 2006-2008 Intel Corporation |
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3 | * Copyright (c) 2007 Dave Airlie |
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4 | * Copyright (c) 2008 Red Hat Inc. |
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5 | * |
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6 | * DRM core CRTC related functions |
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7 | * |
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8 | * Permission to use, copy, modify, distribute, and sell this software and its |
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9 | * documentation for any purpose is hereby granted without fee, provided that |
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10 | * the above copyright notice appear in all copies and that both that copyright |
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11 | * notice and this permission notice appear in supporting documentation, and |
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12 | * that the name of the copyright holders not be used in advertising or |
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13 | * publicity pertaining to distribution of the software without specific, |
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14 | * written prior permission. The copyright holders make no representations |
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15 | * about the suitability of this software for any purpose. It is provided "as |
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16 | * is" without express or implied warranty. |
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17 | * |
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18 | * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, |
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19 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO |
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20 | * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR |
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21 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, |
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22 | * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
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23 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE |
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24 | * OF THIS SOFTWARE. |
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25 | * |
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26 | * Authors: |
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27 | * Keith Packard |
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28 | * Eric Anholt |
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29 | * Dave Airlie |
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30 | * Jesse Barnes |
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31 | */ |
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32 | #include |
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33 | #include "drm.h" |
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34 | #include "drmP.h" |
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35 | #include "drm_crtc.h" |
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36 | |||
37 | struct drm_prop_enum_list { |
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38 | int type; |
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39 | char *name; |
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40 | }; |
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41 | |||
42 | /* Avoid boilerplate. I'm tired of typing. */ |
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43 | #define DRM_ENUM_NAME_FN(fnname, list) \ |
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44 | char *fnname(int val) \ |
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45 | { \ |
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46 | int i; \ |
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47 | for (i = 0; i < ARRAY_SIZE(list); i++) { \ |
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48 | if (list[i].type == val) \ |
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49 | return list[i].name; \ |
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50 | } \ |
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51 | return "(unknown)"; \ |
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52 | } |
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53 | |||
54 | /* |
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55 | * Global properties |
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56 | */ |
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57 | static struct drm_prop_enum_list drm_dpms_enum_list[] = |
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58 | { { DRM_MODE_DPMS_ON, "On" }, |
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59 | { DRM_MODE_DPMS_STANDBY, "Standby" }, |
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60 | { DRM_MODE_DPMS_SUSPEND, "Suspend" }, |
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61 | { DRM_MODE_DPMS_OFF, "Off" } |
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62 | }; |
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63 | |||
64 | DRM_ENUM_NAME_FN(drm_get_dpms_name, drm_dpms_enum_list) |
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65 | |||
66 | /* |
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67 | * Optional properties |
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68 | */ |
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69 | static struct drm_prop_enum_list drm_scaling_mode_enum_list[] = |
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70 | { |
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71 | { DRM_MODE_SCALE_NON_GPU, "Non-GPU" }, |
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72 | { DRM_MODE_SCALE_FULLSCREEN, "Fullscreen" }, |
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73 | { DRM_MODE_SCALE_NO_SCALE, "No scale" }, |
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74 | { DRM_MODE_SCALE_ASPECT, "Aspect" }, |
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75 | }; |
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76 | |||
77 | static struct drm_prop_enum_list drm_dithering_mode_enum_list[] = |
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78 | { |
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79 | { DRM_MODE_DITHERING_OFF, "Off" }, |
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80 | { DRM_MODE_DITHERING_ON, "On" }, |
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81 | }; |
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82 | |||
83 | /* |
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84 | * Non-global properties, but "required" for certain connectors. |
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85 | */ |
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86 | static struct drm_prop_enum_list drm_dvi_i_select_enum_list[] = |
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87 | { |
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88 | { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ |
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89 | { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ |
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90 | { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ |
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91 | }; |
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92 | |||
93 | DRM_ENUM_NAME_FN(drm_get_dvi_i_select_name, drm_dvi_i_select_enum_list) |
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94 | |||
95 | static struct drm_prop_enum_list drm_dvi_i_subconnector_enum_list[] = |
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96 | { |
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97 | { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ |
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98 | { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ |
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99 | { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ |
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100 | }; |
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101 | |||
102 | DRM_ENUM_NAME_FN(drm_get_dvi_i_subconnector_name, |
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103 | drm_dvi_i_subconnector_enum_list) |
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104 | |||
105 | static struct drm_prop_enum_list drm_tv_select_enum_list[] = |
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106 | { |
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107 | { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ |
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108 | { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ |
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109 | { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ |
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110 | { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ |
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111 | }; |
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112 | |||
113 | DRM_ENUM_NAME_FN(drm_get_tv_select_name, drm_tv_select_enum_list) |
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114 | |||
115 | static struct drm_prop_enum_list drm_tv_subconnector_enum_list[] = |
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116 | { |
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117 | { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ |
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118 | { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ |
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119 | { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ |
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120 | { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ |
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121 | }; |
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122 | |||
123 | DRM_ENUM_NAME_FN(drm_get_tv_subconnector_name, |
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124 | drm_tv_subconnector_enum_list) |
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125 | |||
126 | struct drm_conn_prop_enum_list { |
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127 | int type; |
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128 | char *name; |
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129 | int count; |
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130 | }; |
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131 | |||
132 | /* |
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133 | * Connector and encoder types. |
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134 | */ |
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135 | static struct drm_conn_prop_enum_list drm_connector_enum_list[] = |
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136 | { { DRM_MODE_CONNECTOR_Unknown, "Unknown", 0 }, |
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137 | { DRM_MODE_CONNECTOR_VGA, "VGA", 0 }, |
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138 | { DRM_MODE_CONNECTOR_DVII, "DVI-I", 0 }, |
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139 | { DRM_MODE_CONNECTOR_DVID, "DVI-D", 0 }, |
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140 | { DRM_MODE_CONNECTOR_DVIA, "DVI-A", 0 }, |
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141 | { DRM_MODE_CONNECTOR_Composite, "Composite", 0 }, |
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142 | { DRM_MODE_CONNECTOR_SVIDEO, "SVIDEO", 0 }, |
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143 | { DRM_MODE_CONNECTOR_LVDS, "LVDS", 0 }, |
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144 | { DRM_MODE_CONNECTOR_Component, "Component", 0 }, |
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145 | { DRM_MODE_CONNECTOR_9PinDIN, "9-pin DIN", 0 }, |
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146 | { DRM_MODE_CONNECTOR_DisplayPort, "DisplayPort", 0 }, |
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147 | { DRM_MODE_CONNECTOR_HDMIA, "HDMI Type A", 0 }, |
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148 | { DRM_MODE_CONNECTOR_HDMIB, "HDMI Type B", 0 }, |
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149 | }; |
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150 | |||
151 | static struct drm_prop_enum_list drm_encoder_enum_list[] = |
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152 | { { DRM_MODE_ENCODER_NONE, "None" }, |
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153 | { DRM_MODE_ENCODER_DAC, "DAC" }, |
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154 | { DRM_MODE_ENCODER_TMDS, "TMDS" }, |
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155 | { DRM_MODE_ENCODER_LVDS, "LVDS" }, |
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156 | { DRM_MODE_ENCODER_TVDAC, "TV" }, |
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157 | }; |
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158 | |||
159 | char *drm_get_encoder_name(struct drm_encoder *encoder) |
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160 | { |
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161 | static char buf[32]; |
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162 | |||
163 | snprintf(buf, 32, "%s-%d", |
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164 | drm_encoder_enum_list[encoder->encoder_type].name, |
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165 | encoder->base.id); |
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166 | return buf; |
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167 | } |
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168 | |||
169 | char *drm_get_connector_name(struct drm_connector *connector) |
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170 | { |
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171 | static char buf[32]; |
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172 | |||
173 | snprintf(buf, 32, "%s-%d", |
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174 | drm_connector_enum_list[connector->connector_type].name, |
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175 | connector->connector_type_id); |
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176 | return buf; |
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177 | } |
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178 | EXPORT_SYMBOL(drm_get_connector_name); |
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179 | |||
180 | char *drm_get_connector_status_name(enum drm_connector_status status) |
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181 | { |
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182 | if (status == connector_status_connected) |
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183 | return "connected"; |
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184 | else if (status == connector_status_disconnected) |
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185 | return "disconnected"; |
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186 | else |
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187 | return "unknown"; |
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188 | } |
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189 | |||
190 | /** |
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191 | * drm_mode_object_get - allocate a new identifier |
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192 | * @dev: DRM device |
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193 | * @ptr: object pointer, used to generate unique ID |
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194 | * @type: object type |
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195 | * |
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196 | * LOCKING: |
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197 | * |
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198 | * Create a unique identifier based on @ptr in @dev's identifier space. Used |
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199 | * for tracking modes, CRTCs and connectors. |
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200 | * |
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201 | * RETURNS: |
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202 | * New unique (relative to other objects in @dev) integer identifier for the |
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203 | * object. |
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204 | */ |
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205 | static int drm_mode_object_get(struct drm_device *dev, |
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206 | struct drm_mode_object *obj, uint32_t obj_type) |
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207 | { |
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208 | int new_id = 0; |
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209 | int ret; |
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210 | |||
211 | again: |
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212 | if (idr_pre_get(&dev->mode_config.crtc_idr, GFP_KERNEL) == 0) { |
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213 | DRM_ERROR("Ran out memory getting a mode number\n"); |
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214 | return -EINVAL; |
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215 | } |
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216 | |||
217 | // mutex_lock(&dev->mode_config.idr_mutex); |
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218 | ret = idr_get_new_above(&dev->mode_config.crtc_idr, obj, 1, &new_id); |
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219 | // mutex_unlock(&dev->mode_config.idr_mutex); |
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220 | if (ret == -EAGAIN) |
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221 | goto again; |
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222 | |||
223 | obj->id = new_id; |
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224 | obj->type = obj_type; |
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225 | return 0; |
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226 | } |
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227 | |||
228 | /** |
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229 | * drm_mode_object_put - free an identifer |
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230 | * @dev: DRM device |
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231 | * @id: ID to free |
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232 | * |
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233 | * LOCKING: |
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234 | * Caller must hold DRM mode_config lock. |
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235 | * |
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236 | * Free @id from @dev's unique identifier pool. |
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237 | */ |
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238 | static void drm_mode_object_put(struct drm_device *dev, |
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239 | struct drm_mode_object *object) |
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240 | { |
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241 | // mutex_lock(&dev->mode_config.idr_mutex); |
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242 | idr_remove(&dev->mode_config.crtc_idr, object->id); |
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243 | // mutex_unlock(&dev->mode_config.idr_mutex); |
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244 | } |
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245 | |||
246 | void *drm_mode_object_find(struct drm_device *dev, uint32_t id, uint32_t type) |
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247 | { |
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248 | struct drm_mode_object *obj = NULL; |
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249 | |||
250 | // mutex_lock(&dev->mode_config.idr_mutex); |
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251 | obj = idr_find(&dev->mode_config.crtc_idr, id); |
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252 | if (!obj || (obj->type != type) || (obj->id != id)) |
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253 | obj = NULL; |
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254 | // mutex_unlock(&dev->mode_config.idr_mutex); |
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255 | |||
256 | return obj; |
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257 | } |
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258 | EXPORT_SYMBOL(drm_mode_object_find); |
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259 | |||
260 | |||
261 | #if 0 |
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262 | |||
263 | /** |
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264 | * drm_crtc_from_fb - find the CRTC structure associated with an fb |
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265 | * @dev: DRM device |
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266 | * @fb: framebuffer in question |
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267 | * |
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268 | * LOCKING: |
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269 | * Caller must hold mode_config lock. |
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270 | * |
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271 | * Find CRTC in the mode_config structure that matches @fb. |
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272 | * |
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273 | * RETURNS: |
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274 | * Pointer to the CRTC or NULL if it wasn't found. |
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275 | */ |
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276 | struct drm_crtc *drm_crtc_from_fb(struct drm_device *dev, |
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277 | struct drm_framebuffer *fb) |
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278 | { |
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279 | struct drm_crtc *crtc; |
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280 | |||
281 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { |
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282 | if (crtc->fb == fb) |
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283 | return crtc; |
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284 | } |
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285 | return NULL; |
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286 | } |
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287 | |||
288 | /** |
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289 | * drm_framebuffer_init - initialize a framebuffer |
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290 | * @dev: DRM device |
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291 | * |
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292 | * LOCKING: |
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293 | * Caller must hold mode config lock. |
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294 | * |
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295 | * Allocates an ID for the framebuffer's parent mode object, sets its mode |
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296 | * functions & device file and adds it to the master fd list. |
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297 | * |
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298 | * RETURNS: |
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299 | * Zero on success, error code on falure. |
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300 | */ |
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301 | int drm_framebuffer_init(struct drm_device *dev, struct drm_framebuffer *fb, |
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302 | const struct drm_framebuffer_funcs *funcs) |
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303 | { |
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304 | int ret; |
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305 | |||
306 | ret = drm_mode_object_get(dev, &fb->base, DRM_MODE_OBJECT_FB); |
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307 | if (ret) { |
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308 | return ret; |
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309 | } |
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310 | |||
311 | fb->dev = dev; |
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312 | fb->funcs = funcs; |
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313 | dev->mode_config.num_fb++; |
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314 | list_add(&fb->head, &dev->mode_config.fb_list); |
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315 | |||
316 | return 0; |
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317 | } |
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318 | EXPORT_SYMBOL(drm_framebuffer_init); |
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319 | |||
320 | /** |
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321 | * drm_framebuffer_cleanup - remove a framebuffer object |
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322 | * @fb: framebuffer to remove |
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323 | * |
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324 | * LOCKING: |
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325 | * Caller must hold mode config lock. |
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326 | * |
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327 | * Scans all the CRTCs in @dev's mode_config. If they're using @fb, removes |
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328 | * it, setting it to NULL. |
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329 | */ |
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330 | void drm_framebuffer_cleanup(struct drm_framebuffer *fb) |
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331 | { |
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332 | struct drm_device *dev = fb->dev; |
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333 | struct drm_crtc *crtc; |
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334 | |||
335 | /* remove from any CRTC */ |
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336 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { |
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337 | if (crtc->fb == fb) |
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338 | crtc->fb = NULL; |
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339 | } |
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340 | |||
341 | drm_mode_object_put(dev, &fb->base); |
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342 | list_del(&fb->head); |
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343 | dev->mode_config.num_fb--; |
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344 | } |
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345 | EXPORT_SYMBOL(drm_framebuffer_cleanup); |
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346 | |||
347 | |||
348 | #endif |
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349 | |||
350 | /** |
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351 | * drm_crtc_init - Initialise a new CRTC object |
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352 | * @dev: DRM device |
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353 | * @crtc: CRTC object to init |
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354 | * @funcs: callbacks for the new CRTC |
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355 | * |
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356 | * LOCKING: |
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357 | * Caller must hold mode config lock. |
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358 | * |
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359 | * Inits a new object created as base part of an driver crtc object. |
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360 | */ |
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361 | void drm_crtc_init(struct drm_device *dev, struct drm_crtc *crtc, |
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362 | const struct drm_crtc_funcs *funcs) |
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363 | { |
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364 | crtc->dev = dev; |
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365 | crtc->funcs = funcs; |
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366 | |||
367 | // mutex_lock(&dev->mode_config.mutex); |
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368 | drm_mode_object_get(dev, &crtc->base, DRM_MODE_OBJECT_CRTC); |
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369 | |||
370 | list_add_tail(&crtc->head, &dev->mode_config.crtc_list); |
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371 | dev->mode_config.num_crtc++; |
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372 | // mutex_unlock(&dev->mode_config.mutex); |
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373 | } |
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374 | EXPORT_SYMBOL(drm_crtc_init); |
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375 | |||
376 | /** |
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377 | * drm_crtc_cleanup - Cleans up the core crtc usage. |
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378 | * @crtc: CRTC to cleanup |
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379 | * |
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380 | * LOCKING: |
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381 | * Caller must hold mode config lock. |
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382 | * |
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383 | * Cleanup @crtc. Removes from drm modesetting space |
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384 | * does NOT free object, caller does that. |
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385 | */ |
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386 | void drm_crtc_cleanup(struct drm_crtc *crtc) |
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387 | { |
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388 | struct drm_device *dev = crtc->dev; |
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389 | |||
390 | if (crtc->gamma_store) { |
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391 | kfree(crtc->gamma_store); |
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392 | crtc->gamma_store = NULL; |
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393 | } |
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394 | |||
395 | drm_mode_object_put(dev, &crtc->base); |
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396 | list_del(&crtc->head); |
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397 | dev->mode_config.num_crtc--; |
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398 | } |
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399 | EXPORT_SYMBOL(drm_crtc_cleanup); |
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400 | |||
401 | /** |
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402 | * drm_mode_probed_add - add a mode to a connector's probed mode list |
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403 | * @connector: connector the new mode |
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404 | * @mode: mode data |
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405 | * |
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406 | * LOCKING: |
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407 | * Caller must hold mode config lock. |
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408 | * |
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409 | * Add @mode to @connector's mode list for later use. |
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410 | */ |
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411 | void drm_mode_probed_add(struct drm_connector *connector, |
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412 | struct drm_display_mode *mode) |
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413 | { |
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414 | list_add(&mode->head, &connector->probed_modes); |
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415 | } |
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416 | EXPORT_SYMBOL(drm_mode_probed_add); |
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417 | |||
418 | /** |
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419 | * drm_mode_remove - remove and free a mode |
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420 | * @connector: connector list to modify |
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421 | * @mode: mode to remove |
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422 | * |
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423 | * LOCKING: |
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424 | * Caller must hold mode config lock. |
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425 | * |
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426 | * Remove @mode from @connector's mode list, then free it. |
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427 | */ |
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428 | void drm_mode_remove(struct drm_connector *connector, |
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429 | struct drm_display_mode *mode) |
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430 | { |
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431 | list_del(&mode->head); |
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432 | kfree(mode); |
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433 | } |
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434 | EXPORT_SYMBOL(drm_mode_remove); |
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435 | |||
436 | /** |
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437 | * drm_connector_init - Init a preallocated connector |
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438 | * @dev: DRM device |
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439 | * @connector: the connector to init |
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440 | * @funcs: callbacks for this connector |
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441 | * @name: user visible name of the connector |
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442 | * |
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443 | * LOCKING: |
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444 | * Caller must hold @dev's mode_config lock. |
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445 | * |
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446 | * Initialises a preallocated connector. Connectors should be |
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447 | * subclassed as part of driver connector objects. |
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448 | */ |
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449 | void drm_connector_init(struct drm_device *dev, |
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450 | struct drm_connector *connector, |
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451 | const struct drm_connector_funcs *funcs, |
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452 | int connector_type) |
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453 | { |
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454 | // mutex_lock(&dev->mode_config.mutex); |
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455 | |||
456 | connector->dev = dev; |
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457 | connector->funcs = funcs; |
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458 | drm_mode_object_get(dev, &connector->base, DRM_MODE_OBJECT_CONNECTOR); |
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459 | connector->connector_type = connector_type; |
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460 | connector->connector_type_id = |
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461 | ++drm_connector_enum_list[connector_type].count; /* TODO */ |
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462 | INIT_LIST_HEAD(&connector->user_modes); |
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463 | INIT_LIST_HEAD(&connector->probed_modes); |
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464 | INIT_LIST_HEAD(&connector->modes); |
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465 | connector->edid_blob_ptr = NULL; |
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466 | |||
467 | list_add_tail(&connector->head, &dev->mode_config.connector_list); |
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468 | dev->mode_config.num_connector++; |
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469 | |||
470 | drm_connector_attach_property(connector, |
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471 | dev->mode_config.edid_property, 0); |
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472 | |||
473 | drm_connector_attach_property(connector, |
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474 | dev->mode_config.dpms_property, 0); |
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475 | |||
476 | // mutex_unlock(&dev->mode_config.mutex); |
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477 | } |
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478 | EXPORT_SYMBOL(drm_connector_init); |
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479 | |||
480 | /** |
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481 | * drm_connector_cleanup - cleans up an initialised connector |
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482 | * @connector: connector to cleanup |
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483 | * |
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484 | * LOCKING: |
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485 | * Caller must hold @dev's mode_config lock. |
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486 | * |
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487 | * Cleans up the connector but doesn't free the object. |
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488 | */ |
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489 | void drm_connector_cleanup(struct drm_connector *connector) |
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490 | { |
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491 | struct drm_device *dev = connector->dev; |
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492 | struct drm_display_mode *mode, *t; |
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493 | |||
494 | list_for_each_entry_safe(mode, t, &connector->probed_modes, head) |
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495 | drm_mode_remove(connector, mode); |
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496 | |||
497 | list_for_each_entry_safe(mode, t, &connector->modes, head) |
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498 | drm_mode_remove(connector, mode); |
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499 | |||
500 | list_for_each_entry_safe(mode, t, &connector->user_modes, head) |
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501 | drm_mode_remove(connector, mode); |
||
502 | |||
503 | // mutex_lock(&dev->mode_config.mutex); |
||
504 | drm_mode_object_put(dev, &connector->base); |
||
505 | list_del(&connector->head); |
||
506 | // mutex_unlock(&dev->mode_config.mutex); |
||
507 | } |
||
508 | EXPORT_SYMBOL(drm_connector_cleanup); |
||
509 | |||
510 | void drm_encoder_init(struct drm_device *dev, |
||
511 | struct drm_encoder *encoder, |
||
512 | const struct drm_encoder_funcs *funcs, |
||
513 | int encoder_type) |
||
514 | { |
||
515 | // mutex_lock(&dev->mode_config.mutex); |
||
516 | |||
517 | encoder->dev = dev; |
||
518 | |||
519 | drm_mode_object_get(dev, &encoder->base, DRM_MODE_OBJECT_ENCODER); |
||
520 | encoder->encoder_type = encoder_type; |
||
521 | encoder->funcs = funcs; |
||
522 | |||
523 | list_add_tail(&encoder->head, &dev->mode_config.encoder_list); |
||
524 | dev->mode_config.num_encoder++; |
||
525 | |||
526 | // mutex_unlock(&dev->mode_config.mutex); |
||
527 | } |
||
528 | EXPORT_SYMBOL(drm_encoder_init); |
||
529 | |||
530 | void drm_encoder_cleanup(struct drm_encoder *encoder) |
||
531 | { |
||
532 | struct drm_device *dev = encoder->dev; |
||
533 | // mutex_lock(&dev->mode_config.mutex); |
||
534 | drm_mode_object_put(dev, &encoder->base); |
||
535 | list_del(&encoder->head); |
||
536 | // mutex_unlock(&dev->mode_config.mutex); |
||
537 | } |
||
538 | EXPORT_SYMBOL(drm_encoder_cleanup); |
||
539 | |||
540 | /** |
||
541 | * drm_mode_create - create a new display mode |
||
542 | * @dev: DRM device |
||
543 | * |
||
544 | * LOCKING: |
||
545 | * Caller must hold DRM mode_config lock. |
||
546 | * |
||
547 | * Create a new drm_display_mode, give it an ID, and return it. |
||
548 | * |
||
549 | * RETURNS: |
||
550 | * Pointer to new mode on success, NULL on error. |
||
551 | */ |
||
552 | struct drm_display_mode *drm_mode_create(struct drm_device *dev) |
||
553 | { |
||
554 | struct drm_display_mode *nmode; |
||
555 | |||
556 | nmode = kzalloc(sizeof(struct drm_display_mode), GFP_KERNEL); |
||
557 | if (!nmode) |
||
558 | return NULL; |
||
559 | |||
560 | drm_mode_object_get(dev, &nmode->base, DRM_MODE_OBJECT_MODE); |
||
561 | return nmode; |
||
562 | } |
||
563 | EXPORT_SYMBOL(drm_mode_create); |
||
564 | |||
565 | /** |
||
566 | * drm_mode_destroy - remove a mode |
||
567 | * @dev: DRM device |
||
568 | * @mode: mode to remove |
||
569 | * |
||
570 | * LOCKING: |
||
571 | * Caller must hold mode config lock. |
||
572 | * |
||
573 | * Free @mode's unique identifier, then free it. |
||
574 | */ |
||
575 | void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode) |
||
576 | { |
||
577 | drm_mode_object_put(dev, &mode->base); |
||
578 | |||
579 | kfree(mode); |
||
580 | } |
||
581 | EXPORT_SYMBOL(drm_mode_destroy); |
||
582 | |||
583 | static int drm_mode_create_standard_connector_properties(struct drm_device *dev) |
||
584 | { |
||
585 | struct drm_property *edid; |
||
586 | struct drm_property *dpms; |
||
587 | int i; |
||
588 | |||
589 | /* |
||
590 | * Standard properties (apply to all connectors) |
||
591 | */ |
||
592 | edid = drm_property_create(dev, DRM_MODE_PROP_BLOB | |
||
593 | DRM_MODE_PROP_IMMUTABLE, |
||
594 | "EDID", 0); |
||
595 | dev->mode_config.edid_property = edid; |
||
596 | |||
597 | dpms = drm_property_create(dev, DRM_MODE_PROP_ENUM, |
||
598 | "DPMS", ARRAY_SIZE(drm_dpms_enum_list)); |
||
599 | for (i = 0; i < ARRAY_SIZE(drm_dpms_enum_list); i++) |
||
600 | drm_property_add_enum(dpms, i, drm_dpms_enum_list[i].type, |
||
601 | drm_dpms_enum_list[i].name); |
||
602 | dev->mode_config.dpms_property = dpms; |
||
603 | |||
604 | return 0; |
||
605 | } |
||
606 | |||
607 | /** |
||
608 | * drm_mode_create_dvi_i_properties - create DVI-I specific connector properties |
||
609 | * @dev: DRM device |
||
610 | * |
||
611 | * Called by a driver the first time a DVI-I connector is made. |
||
612 | */ |
||
613 | int drm_mode_create_dvi_i_properties(struct drm_device *dev) |
||
614 | { |
||
615 | struct drm_property *dvi_i_selector; |
||
616 | struct drm_property *dvi_i_subconnector; |
||
617 | int i; |
||
618 | |||
619 | if (dev->mode_config.dvi_i_select_subconnector_property) |
||
620 | return 0; |
||
621 | |||
622 | dvi_i_selector = |
||
623 | drm_property_create(dev, DRM_MODE_PROP_ENUM, |
||
624 | "select subconnector", |
||
625 | ARRAY_SIZE(drm_dvi_i_select_enum_list)); |
||
626 | for (i = 0; i < ARRAY_SIZE(drm_dvi_i_select_enum_list); i++) |
||
627 | drm_property_add_enum(dvi_i_selector, i, |
||
628 | drm_dvi_i_select_enum_list[i].type, |
||
629 | drm_dvi_i_select_enum_list[i].name); |
||
630 | dev->mode_config.dvi_i_select_subconnector_property = dvi_i_selector; |
||
631 | |||
632 | dvi_i_subconnector = |
||
633 | drm_property_create(dev, DRM_MODE_PROP_ENUM | |
||
634 | DRM_MODE_PROP_IMMUTABLE, |
||
635 | "subconnector", |
||
636 | ARRAY_SIZE(drm_dvi_i_subconnector_enum_list)); |
||
637 | for (i = 0; i < ARRAY_SIZE(drm_dvi_i_subconnector_enum_list); i++) |
||
638 | drm_property_add_enum(dvi_i_subconnector, i, |
||
639 | drm_dvi_i_subconnector_enum_list[i].type, |
||
640 | drm_dvi_i_subconnector_enum_list[i].name); |
||
641 | dev->mode_config.dvi_i_subconnector_property = dvi_i_subconnector; |
||
642 | |||
643 | return 0; |
||
644 | } |
||
645 | EXPORT_SYMBOL(drm_mode_create_dvi_i_properties); |
||
646 | |||
647 | /** |
||
648 | * drm_create_tv_properties - create TV specific connector properties |
||
649 | * @dev: DRM device |
||
650 | * @num_modes: number of different TV formats (modes) supported |
||
651 | * @modes: array of pointers to strings containing name of each format |
||
652 | * |
||
653 | * Called by a driver's TV initialization routine, this function creates |
||
654 | * the TV specific connector properties for a given device. Caller is |
||
655 | * responsible for allocating a list of format names and passing them to |
||
656 | * this routine. |
||
657 | */ |
||
658 | int drm_mode_create_tv_properties(struct drm_device *dev, int num_modes, |
||
659 | char *modes[]) |
||
660 | { |
||
661 | struct drm_property *tv_selector; |
||
662 | struct drm_property *tv_subconnector; |
||
663 | int i; |
||
664 | |||
665 | if (dev->mode_config.tv_select_subconnector_property) |
||
666 | return 0; |
||
667 | |||
668 | /* |
||
669 | * Basic connector properties |
||
670 | */ |
||
671 | tv_selector = drm_property_create(dev, DRM_MODE_PROP_ENUM, |
||
672 | "select subconnector", |
||
673 | ARRAY_SIZE(drm_tv_select_enum_list)); |
||
674 | for (i = 0; i < ARRAY_SIZE(drm_tv_select_enum_list); i++) |
||
675 | drm_property_add_enum(tv_selector, i, |
||
676 | drm_tv_select_enum_list[i].type, |
||
677 | drm_tv_select_enum_list[i].name); |
||
678 | dev->mode_config.tv_select_subconnector_property = tv_selector; |
||
679 | |||
680 | tv_subconnector = |
||
681 | drm_property_create(dev, DRM_MODE_PROP_ENUM | |
||
682 | DRM_MODE_PROP_IMMUTABLE, "subconnector", |
||
683 | ARRAY_SIZE(drm_tv_subconnector_enum_list)); |
||
684 | for (i = 0; i < ARRAY_SIZE(drm_tv_subconnector_enum_list); i++) |
||
685 | drm_property_add_enum(tv_subconnector, i, |
||
686 | drm_tv_subconnector_enum_list[i].type, |
||
687 | drm_tv_subconnector_enum_list[i].name); |
||
688 | dev->mode_config.tv_subconnector_property = tv_subconnector; |
||
689 | |||
690 | /* |
||
691 | * Other, TV specific properties: margins & TV modes. |
||
692 | */ |
||
693 | dev->mode_config.tv_left_margin_property = |
||
694 | drm_property_create(dev, DRM_MODE_PROP_RANGE, |
||
695 | "left margin", 2); |
||
696 | dev->mode_config.tv_left_margin_property->values[0] = 0; |
||
697 | dev->mode_config.tv_left_margin_property->values[1] = 100; |
||
698 | |||
699 | dev->mode_config.tv_right_margin_property = |
||
700 | drm_property_create(dev, DRM_MODE_PROP_RANGE, |
||
701 | "right margin", 2); |
||
702 | dev->mode_config.tv_right_margin_property->values[0] = 0; |
||
703 | dev->mode_config.tv_right_margin_property->values[1] = 100; |
||
704 | |||
705 | dev->mode_config.tv_top_margin_property = |
||
706 | drm_property_create(dev, DRM_MODE_PROP_RANGE, |
||
707 | "top margin", 2); |
||
708 | dev->mode_config.tv_top_margin_property->values[0] = 0; |
||
709 | dev->mode_config.tv_top_margin_property->values[1] = 100; |
||
710 | |||
711 | dev->mode_config.tv_bottom_margin_property = |
||
712 | drm_property_create(dev, DRM_MODE_PROP_RANGE, |
||
713 | "bottom margin", 2); |
||
714 | dev->mode_config.tv_bottom_margin_property->values[0] = 0; |
||
715 | dev->mode_config.tv_bottom_margin_property->values[1] = 100; |
||
716 | |||
717 | dev->mode_config.tv_mode_property = |
||
718 | drm_property_create(dev, DRM_MODE_PROP_ENUM, |
||
719 | "mode", num_modes); |
||
720 | for (i = 0; i < num_modes; i++) |
||
721 | drm_property_add_enum(dev->mode_config.tv_mode_property, i, |
||
722 | i, modes[i]); |
||
723 | |||
724 | return 0; |
||
725 | } |
||
726 | EXPORT_SYMBOL(drm_mode_create_tv_properties); |
||
727 | |||
728 | /** |
||
729 | * drm_mode_create_scaling_mode_property - create scaling mode property |
||
730 | * @dev: DRM device |
||
731 | * |
||
732 | * Called by a driver the first time it's needed, must be attached to desired |
||
733 | * connectors. |
||
734 | */ |
||
735 | int drm_mode_create_scaling_mode_property(struct drm_device *dev) |
||
736 | { |
||
737 | struct drm_property *scaling_mode; |
||
738 | int i; |
||
739 | |||
740 | if (dev->mode_config.scaling_mode_property) |
||
741 | return 0; |
||
742 | |||
743 | scaling_mode = |
||
744 | drm_property_create(dev, DRM_MODE_PROP_ENUM, "scaling mode", |
||
745 | ARRAY_SIZE(drm_scaling_mode_enum_list)); |
||
746 | for (i = 0; i < ARRAY_SIZE(drm_scaling_mode_enum_list); i++) |
||
747 | drm_property_add_enum(scaling_mode, i, |
||
748 | drm_scaling_mode_enum_list[i].type, |
||
749 | drm_scaling_mode_enum_list[i].name); |
||
750 | |||
751 | dev->mode_config.scaling_mode_property = scaling_mode; |
||
752 | |||
753 | return 0; |
||
754 | } |
||
755 | EXPORT_SYMBOL(drm_mode_create_scaling_mode_property); |
||
756 | |||
757 | /** |
||
758 | * drm_mode_create_dithering_property - create dithering property |
||
759 | * @dev: DRM device |
||
760 | * |
||
761 | * Called by a driver the first time it's needed, must be attached to desired |
||
762 | * connectors. |
||
763 | */ |
||
764 | int drm_mode_create_dithering_property(struct drm_device *dev) |
||
765 | { |
||
766 | struct drm_property *dithering_mode; |
||
767 | int i; |
||
768 | |||
769 | if (dev->mode_config.dithering_mode_property) |
||
770 | return 0; |
||
771 | |||
772 | dithering_mode = |
||
773 | drm_property_create(dev, DRM_MODE_PROP_ENUM, "dithering", |
||
774 | ARRAY_SIZE(drm_dithering_mode_enum_list)); |
||
775 | for (i = 0; i < ARRAY_SIZE(drm_dithering_mode_enum_list); i++) |
||
776 | drm_property_add_enum(dithering_mode, i, |
||
777 | drm_dithering_mode_enum_list[i].type, |
||
778 | drm_dithering_mode_enum_list[i].name); |
||
779 | dev->mode_config.dithering_mode_property = dithering_mode; |
||
780 | |||
781 | return 0; |
||
782 | } |
||
783 | EXPORT_SYMBOL(drm_mode_create_dithering_property); |
||
784 | |||
785 | /** |
||
786 | * drm_mode_config_init - initialize DRM mode_configuration structure |
||
787 | * @dev: DRM device |
||
788 | * |
||
789 | * LOCKING: |
||
790 | * None, should happen single threaded at init time. |
||
791 | * |
||
792 | * Initialize @dev's mode_config structure, used for tracking the graphics |
||
793 | * configuration of @dev. |
||
794 | */ |
||
795 | void drm_mode_config_init(struct drm_device *dev) |
||
796 | { |
||
797 | // mutex_init(&dev->mode_config.mutex); |
||
798 | // mutex_init(&dev->mode_config.idr_mutex); |
||
799 | INIT_LIST_HEAD(&dev->mode_config.fb_list); |
||
800 | INIT_LIST_HEAD(&dev->mode_config.fb_kernel_list); |
||
801 | INIT_LIST_HEAD(&dev->mode_config.crtc_list); |
||
802 | INIT_LIST_HEAD(&dev->mode_config.connector_list); |
||
803 | INIT_LIST_HEAD(&dev->mode_config.encoder_list); |
||
804 | INIT_LIST_HEAD(&dev->mode_config.property_list); |
||
805 | INIT_LIST_HEAD(&dev->mode_config.property_blob_list); |
||
806 | idr_init(&dev->mode_config.crtc_idr); |
||
807 | |||
808 | // mutex_lock(&dev->mode_config.mutex); |
||
809 | drm_mode_create_standard_connector_properties(dev); |
||
810 | // mutex_unlock(&dev->mode_config.mutex); |
||
811 | |||
812 | /* Just to be sure */ |
||
813 | dev->mode_config.num_fb = 0; |
||
814 | dev->mode_config.num_connector = 0; |
||
815 | dev->mode_config.num_crtc = 0; |
||
816 | dev->mode_config.num_encoder = 0; |
||
817 | } |
||
818 | EXPORT_SYMBOL(drm_mode_config_init); |
||
819 | |||
820 | int drm_mode_group_init(struct drm_device *dev, struct drm_mode_group *group) |
||
821 | { |
||
822 | uint32_t total_objects = 0; |
||
823 | |||
824 | total_objects += dev->mode_config.num_crtc; |
||
825 | total_objects += dev->mode_config.num_connector; |
||
826 | total_objects += dev->mode_config.num_encoder; |
||
827 | |||
828 | if (total_objects == 0) |
||
829 | return -EINVAL; |
||
830 | |||
831 | group->id_list = kzalloc(total_objects * sizeof(uint32_t), GFP_KERNEL); |
||
832 | if (!group->id_list) |
||
833 | return -ENOMEM; |
||
834 | |||
835 | group->num_crtcs = 0; |
||
836 | group->num_connectors = 0; |
||
837 | group->num_encoders = 0; |
||
838 | return 0; |
||
839 | } |
||
840 | |||
841 | int drm_mode_group_init_legacy_group(struct drm_device *dev, |
||
842 | struct drm_mode_group *group) |
||
843 | { |
||
844 | struct drm_crtc *crtc; |
||
845 | struct drm_encoder *encoder; |
||
846 | struct drm_connector *connector; |
||
847 | int ret; |
||
848 | |||
849 | if ((ret = drm_mode_group_init(dev, group))) |
||
850 | return ret; |
||
851 | |||
852 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) |
||
853 | group->id_list[group->num_crtcs++] = crtc->base.id; |
||
854 | |||
855 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) |
||
856 | group->id_list[group->num_crtcs + group->num_encoders++] = |
||
857 | encoder->base.id; |
||
858 | |||
859 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) |
||
860 | group->id_list[group->num_crtcs + group->num_encoders + |
||
861 | group->num_connectors++] = connector->base.id; |
||
862 | |||
863 | return 0; |
||
864 | } |
||
865 | |||
866 | /** |
||
867 | * drm_mode_config_cleanup - free up DRM mode_config info |
||
868 | * @dev: DRM device |
||
869 | * |
||
870 | * LOCKING: |
||
871 | * Caller must hold mode config lock. |
||
872 | * |
||
873 | * Free up all the connectors and CRTCs associated with this DRM device, then |
||
874 | * free up the framebuffers and associated buffer objects. |
||
875 | * |
||
876 | * FIXME: cleanup any dangling user buffer objects too |
||
877 | */ |
||
878 | void drm_mode_config_cleanup(struct drm_device *dev) |
||
879 | { |
||
880 | struct drm_connector *connector, *ot; |
||
881 | struct drm_crtc *crtc, *ct; |
||
882 | struct drm_encoder *encoder, *enct; |
||
883 | struct drm_framebuffer *fb, *fbt; |
||
884 | struct drm_property *property, *pt; |
||
885 | |||
886 | list_for_each_entry_safe(encoder, enct, &dev->mode_config.encoder_list, |
||
887 | head) { |
||
888 | encoder->funcs->destroy(encoder); |
||
889 | } |
||
890 | |||
891 | list_for_each_entry_safe(connector, ot, |
||
892 | &dev->mode_config.connector_list, head) { |
||
893 | connector->funcs->destroy(connector); |
||
894 | } |
||
895 | |||
896 | list_for_each_entry_safe(property, pt, &dev->mode_config.property_list, |
||
897 | head) { |
||
898 | drm_property_destroy(dev, property); |
||
899 | } |
||
900 | |||
901 | list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) { |
||
902 | fb->funcs->destroy(fb); |
||
903 | } |
||
904 | |||
905 | list_for_each_entry_safe(crtc, ct, &dev->mode_config.crtc_list, head) { |
||
906 | crtc->funcs->destroy(crtc); |
||
907 | } |
||
908 | |||
909 | } |
||
910 | EXPORT_SYMBOL(drm_mode_config_cleanup); |
||
911 | |||
912 | /** |
||
913 | * drm_crtc_convert_to_umode - convert a drm_display_mode into a modeinfo |
||
914 | * @out: drm_mode_modeinfo struct to return to the user |
||
915 | * @in: drm_display_mode to use |
||
916 | * |
||
917 | * LOCKING: |
||
918 | * None. |
||
919 | * |
||
920 | * Convert a drm_display_mode into a drm_mode_modeinfo structure to return to |
||
921 | * the user. |
||
922 | */ |
||
923 | void drm_crtc_convert_to_umode(struct drm_mode_modeinfo *out, |
||
924 | struct drm_display_mode *in) |
||
925 | { |
||
926 | out->clock = in->clock; |
||
927 | out->hdisplay = in->hdisplay; |
||
928 | out->hsync_start = in->hsync_start; |
||
929 | out->hsync_end = in->hsync_end; |
||
930 | out->htotal = in->htotal; |
||
931 | out->hskew = in->hskew; |
||
932 | out->vdisplay = in->vdisplay; |
||
933 | out->vsync_start = in->vsync_start; |
||
934 | out->vsync_end = in->vsync_end; |
||
935 | out->vtotal = in->vtotal; |
||
936 | out->vscan = in->vscan; |
||
937 | out->vrefresh = in->vrefresh; |
||
938 | out->flags = in->flags; |
||
939 | out->type = in->type; |
||
940 | strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); |
||
941 | out->name[DRM_DISPLAY_MODE_LEN-1] = 0; |
||
942 | } |
||
943 | |||
944 | /** |
||
945 | * drm_crtc_convert_to_umode - convert a modeinfo into a drm_display_mode |
||
946 | * @out: drm_display_mode to return to the user |
||
947 | * @in: drm_mode_modeinfo to use |
||
948 | * |
||
949 | * LOCKING: |
||
950 | * None. |
||
951 | * |
||
952 | * Convert a drm_mode_modeinfo into a drm_display_mode structure to return to |
||
953 | * the caller. |
||
954 | */ |
||
955 | void drm_crtc_convert_umode(struct drm_display_mode *out, |
||
956 | struct drm_mode_modeinfo *in) |
||
957 | { |
||
958 | out->clock = in->clock; |
||
959 | out->hdisplay = in->hdisplay; |
||
960 | out->hsync_start = in->hsync_start; |
||
961 | out->hsync_end = in->hsync_end; |
||
962 | out->htotal = in->htotal; |
||
963 | out->hskew = in->hskew; |
||
964 | out->vdisplay = in->vdisplay; |
||
965 | out->vsync_start = in->vsync_start; |
||
966 | out->vsync_end = in->vsync_end; |
||
967 | out->vtotal = in->vtotal; |
||
968 | out->vscan = in->vscan; |
||
969 | out->vrefresh = in->vrefresh; |
||
970 | out->flags = in->flags; |
||
971 | out->type = in->type; |
||
972 | strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); |
||
973 | out->name[DRM_DISPLAY_MODE_LEN-1] = 0; |
||
974 | } |
||
975 | |||
976 | |||
977 | #if 0 |
||
978 | /** |
||
979 | * drm_mode_getresources - get graphics configuration |
||
980 | * @inode: inode from the ioctl |
||
981 | * @filp: file * from the ioctl |
||
982 | * @cmd: cmd from ioctl |
||
983 | * @arg: arg from ioctl |
||
984 | * |
||
985 | * LOCKING: |
||
986 | * Takes mode config lock. |
||
987 | * |
||
988 | * Construct a set of configuration description structures and return |
||
989 | * them to the user, including CRTC, connector and framebuffer configuration. |
||
990 | * |
||
991 | * Called by the user via ioctl. |
||
992 | * |
||
993 | * RETURNS: |
||
994 | * Zero on success, errno on failure. |
||
995 | */ |
||
996 | int drm_mode_getresources(struct drm_device *dev, void *data, |
||
997 | struct drm_file *file_priv) |
||
998 | { |
||
999 | struct drm_mode_card_res *card_res = data; |
||
1000 | struct list_head *lh; |
||
1001 | struct drm_framebuffer *fb; |
||
1002 | struct drm_connector *connector; |
||
1003 | struct drm_crtc *crtc; |
||
1004 | struct drm_encoder *encoder; |
||
1005 | int ret = 0; |
||
1006 | int connector_count = 0; |
||
1007 | int crtc_count = 0; |
||
1008 | int fb_count = 0; |
||
1009 | int encoder_count = 0; |
||
1010 | int copied = 0, i; |
||
1011 | uint32_t __user *fb_id; |
||
1012 | uint32_t __user *crtc_id; |
||
1013 | uint32_t __user *connector_id; |
||
1014 | uint32_t __user *encoder_id; |
||
1015 | struct drm_mode_group *mode_group; |
||
1016 | |||
1017 | mutex_lock(&dev->mode_config.mutex); |
||
1018 | |||
1019 | /* |
||
1020 | * For the non-control nodes we need to limit the list of resources |
||
1021 | * by IDs in the group list for this node |
||
1022 | */ |
||
1023 | list_for_each(lh, &file_priv->fbs) |
||
1024 | fb_count++; |
||
1025 | |||
1026 | mode_group = &file_priv->master->minor->mode_group; |
||
1027 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { |
||
1028 | |||
1029 | list_for_each(lh, &dev->mode_config.crtc_list) |
||
1030 | crtc_count++; |
||
1031 | |||
1032 | list_for_each(lh, &dev->mode_config.connector_list) |
||
1033 | connector_count++; |
||
1034 | |||
1035 | list_for_each(lh, &dev->mode_config.encoder_list) |
||
1036 | encoder_count++; |
||
1037 | } else { |
||
1038 | |||
1039 | crtc_count = mode_group->num_crtcs; |
||
1040 | connector_count = mode_group->num_connectors; |
||
1041 | encoder_count = mode_group->num_encoders; |
||
1042 | } |
||
1043 | |||
1044 | card_res->max_height = dev->mode_config.max_height; |
||
1045 | card_res->min_height = dev->mode_config.min_height; |
||
1046 | card_res->max_width = dev->mode_config.max_width; |
||
1047 | card_res->min_width = dev->mode_config.min_width; |
||
1048 | |||
1049 | /* handle this in 4 parts */ |
||
1050 | /* FBs */ |
||
1051 | if (card_res->count_fbs >= fb_count) { |
||
1052 | copied = 0; |
||
1053 | fb_id = (uint32_t __user *)(unsigned long)card_res->fb_id_ptr; |
||
1054 | list_for_each_entry(fb, &file_priv->fbs, head) { |
||
1055 | if (put_user(fb->base.id, fb_id + copied)) { |
||
1056 | ret = -EFAULT; |
||
1057 | goto out; |
||
1058 | } |
||
1059 | copied++; |
||
1060 | } |
||
1061 | } |
||
1062 | card_res->count_fbs = fb_count; |
||
1063 | |||
1064 | /* CRTCs */ |
||
1065 | if (card_res->count_crtcs >= crtc_count) { |
||
1066 | copied = 0; |
||
1067 | crtc_id = (uint32_t __user *)(unsigned long)card_res->crtc_id_ptr; |
||
1068 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { |
||
1069 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, |
||
1070 | head) { |
||
1071 | DRM_DEBUG("CRTC ID is %d\n", crtc->base.id); |
||
1072 | if (put_user(crtc->base.id, crtc_id + copied)) { |
||
1073 | ret = -EFAULT; |
||
1074 | goto out; |
||
1075 | } |
||
1076 | copied++; |
||
1077 | } |
||
1078 | } else { |
||
1079 | for (i = 0; i < mode_group->num_crtcs; i++) { |
||
1080 | if (put_user(mode_group->id_list[i], |
||
1081 | crtc_id + copied)) { |
||
1082 | ret = -EFAULT; |
||
1083 | goto out; |
||
1084 | } |
||
1085 | copied++; |
||
1086 | } |
||
1087 | } |
||
1088 | } |
||
1089 | card_res->count_crtcs = crtc_count; |
||
1090 | |||
1091 | /* Encoders */ |
||
1092 | if (card_res->count_encoders >= encoder_count) { |
||
1093 | copied = 0; |
||
1094 | encoder_id = (uint32_t __user *)(unsigned long)card_res->encoder_id_ptr; |
||
1095 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { |
||
1096 | list_for_each_entry(encoder, |
||
1097 | &dev->mode_config.encoder_list, |
||
1098 | head) { |
||
1099 | DRM_DEBUG("ENCODER ID is %d\n", |
||
1100 | encoder->base.id); |
||
1101 | if (put_user(encoder->base.id, encoder_id + |
||
1102 | copied)) { |
||
1103 | ret = -EFAULT; |
||
1104 | goto out; |
||
1105 | } |
||
1106 | copied++; |
||
1107 | } |
||
1108 | } else { |
||
1109 | for (i = mode_group->num_crtcs; i < mode_group->num_crtcs + mode_group->num_encoders; i++) { |
||
1110 | if (put_user(mode_group->id_list[i], |
||
1111 | encoder_id + copied)) { |
||
1112 | ret = -EFAULT; |
||
1113 | goto out; |
||
1114 | } |
||
1115 | copied++; |
||
1116 | } |
||
1117 | |||
1118 | } |
||
1119 | } |
||
1120 | card_res->count_encoders = encoder_count; |
||
1121 | |||
1122 | /* Connectors */ |
||
1123 | if (card_res->count_connectors >= connector_count) { |
||
1124 | copied = 0; |
||
1125 | connector_id = (uint32_t __user *)(unsigned long)card_res->connector_id_ptr; |
||
1126 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { |
||
1127 | list_for_each_entry(connector, |
||
1128 | &dev->mode_config.connector_list, |
||
1129 | head) { |
||
1130 | DRM_DEBUG("CONNECTOR ID is %d\n", |
||
1131 | connector->base.id); |
||
1132 | if (put_user(connector->base.id, |
||
1133 | connector_id + copied)) { |
||
1134 | ret = -EFAULT; |
||
1135 | goto out; |
||
1136 | } |
||
1137 | copied++; |
||
1138 | } |
||
1139 | } else { |
||
1140 | int start = mode_group->num_crtcs + |
||
1141 | mode_group->num_encoders; |
||
1142 | for (i = start; i < start + mode_group->num_connectors; i++) { |
||
1143 | if (put_user(mode_group->id_list[i], |
||
1144 | connector_id + copied)) { |
||
1145 | ret = -EFAULT; |
||
1146 | goto out; |
||
1147 | } |
||
1148 | copied++; |
||
1149 | } |
||
1150 | } |
||
1151 | } |
||
1152 | card_res->count_connectors = connector_count; |
||
1153 | |||
1154 | DRM_DEBUG("Counted %d %d %d\n", card_res->count_crtcs, |
||
1155 | card_res->count_connectors, card_res->count_encoders); |
||
1156 | |||
1157 | out: |
||
1158 | mutex_unlock(&dev->mode_config.mutex); |
||
1159 | return ret; |
||
1160 | } |
||
1161 | |||
1162 | |||
1163 | /** |
||
1164 | * drm_mode_getcrtc - get CRTC configuration |
||
1165 | * @inode: inode from the ioctl |
||
1166 | * @filp: file * from the ioctl |
||
1167 | * @cmd: cmd from ioctl |
||
1168 | * @arg: arg from ioctl |
||
1169 | * |
||
1170 | * LOCKING: |
||
1171 | * Caller? (FIXME) |
||
1172 | * |
||
1173 | * Construct a CRTC configuration structure to return to the user. |
||
1174 | * |
||
1175 | * Called by the user via ioctl. |
||
1176 | * |
||
1177 | * RETURNS: |
||
1178 | * Zero on success, errno on failure. |
||
1179 | */ |
||
1180 | int drm_mode_getcrtc(struct drm_device *dev, |
||
1181 | void *data, struct drm_file *file_priv) |
||
1182 | { |
||
1183 | struct drm_mode_crtc *crtc_resp = data; |
||
1184 | struct drm_crtc *crtc; |
||
1185 | struct drm_mode_object *obj; |
||
1186 | int ret = 0; |
||
1187 | |||
1188 | mutex_lock(&dev->mode_config.mutex); |
||
1189 | |||
1190 | obj = drm_mode_object_find(dev, crtc_resp->crtc_id, |
||
1191 | DRM_MODE_OBJECT_CRTC); |
||
1192 | if (!obj) { |
||
1193 | ret = -EINVAL; |
||
1194 | goto out; |
||
1195 | } |
||
1196 | crtc = obj_to_crtc(obj); |
||
1197 | |||
1198 | crtc_resp->x = crtc->x; |
||
1199 | crtc_resp->y = crtc->y; |
||
1200 | crtc_resp->gamma_size = crtc->gamma_size; |
||
1201 | if (crtc->fb) |
||
1202 | crtc_resp->fb_id = crtc->fb->base.id; |
||
1203 | else |
||
1204 | crtc_resp->fb_id = 0; |
||
1205 | |||
1206 | if (crtc->enabled) { |
||
1207 | |||
1208 | drm_crtc_convert_to_umode(&crtc_resp->mode, &crtc->mode); |
||
1209 | crtc_resp->mode_valid = 1; |
||
1210 | |||
1211 | } else { |
||
1212 | crtc_resp->mode_valid = 0; |
||
1213 | } |
||
1214 | |||
1215 | out: |
||
1216 | mutex_unlock(&dev->mode_config.mutex); |
||
1217 | return ret; |
||
1218 | } |
||
1219 | |||
1220 | /** |
||
1221 | * drm_mode_getconnector - get connector configuration |
||
1222 | * @inode: inode from the ioctl |
||
1223 | * @filp: file * from the ioctl |
||
1224 | * @cmd: cmd from ioctl |
||
1225 | * @arg: arg from ioctl |
||
1226 | * |
||
1227 | * LOCKING: |
||
1228 | * Caller? (FIXME) |
||
1229 | * |
||
1230 | * Construct a connector configuration structure to return to the user. |
||
1231 | * |
||
1232 | * Called by the user via ioctl. |
||
1233 | * |
||
1234 | * RETURNS: |
||
1235 | * Zero on success, errno on failure. |
||
1236 | */ |
||
1237 | int drm_mode_getconnector(struct drm_device *dev, void *data, |
||
1238 | struct drm_file *file_priv) |
||
1239 | { |
||
1240 | struct drm_mode_get_connector *out_resp = data; |
||
1241 | struct drm_mode_object *obj; |
||
1242 | struct drm_connector *connector; |
||
1243 | struct drm_display_mode *mode; |
||
1244 | int mode_count = 0; |
||
1245 | int props_count = 0; |
||
1246 | int encoders_count = 0; |
||
1247 | int ret = 0; |
||
1248 | int copied = 0; |
||
1249 | int i; |
||
1250 | struct drm_mode_modeinfo u_mode; |
||
1251 | struct drm_mode_modeinfo __user *mode_ptr; |
||
1252 | uint32_t __user *prop_ptr; |
||
1253 | uint64_t __user *prop_values; |
||
1254 | uint32_t __user *encoder_ptr; |
||
1255 | |||
1256 | memset(&u_mode, 0, sizeof(struct drm_mode_modeinfo)); |
||
1257 | |||
1258 | DRM_DEBUG("connector id %d:\n", out_resp->connector_id); |
||
1259 | |||
1260 | mutex_lock(&dev->mode_config.mutex); |
||
1261 | |||
1262 | obj = drm_mode_object_find(dev, out_resp->connector_id, |
||
1263 | DRM_MODE_OBJECT_CONNECTOR); |
||
1264 | if (!obj) { |
||
1265 | ret = -EINVAL; |
||
1266 | goto out; |
||
1267 | } |
||
1268 | connector = obj_to_connector(obj); |
||
1269 | |||
1270 | for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { |
||
1271 | if (connector->property_ids[i] != 0) { |
||
1272 | props_count++; |
||
1273 | } |
||
1274 | } |
||
1275 | |||
1276 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { |
||
1277 | if (connector->encoder_ids[i] != 0) { |
||
1278 | encoders_count++; |
||
1279 | } |
||
1280 | } |
||
1281 | |||
1282 | if (out_resp->count_modes == 0) { |
||
1283 | connector->funcs->fill_modes(connector, |
||
1284 | dev->mode_config.max_width, |
||
1285 | dev->mode_config.max_height); |
||
1286 | } |
||
1287 | |||
1288 | /* delayed so we get modes regardless of pre-fill_modes state */ |
||
1289 | list_for_each_entry(mode, &connector->modes, head) |
||
1290 | mode_count++; |
||
1291 | |||
1292 | out_resp->connector_id = connector->base.id; |
||
1293 | out_resp->connector_type = connector->connector_type; |
||
1294 | out_resp->connector_type_id = connector->connector_type_id; |
||
1295 | out_resp->mm_width = connector->display_info.width_mm; |
||
1296 | out_resp->mm_height = connector->display_info.height_mm; |
||
1297 | out_resp->subpixel = connector->display_info.subpixel_order; |
||
1298 | out_resp->connection = connector->status; |
||
1299 | if (connector->encoder) |
||
1300 | out_resp->encoder_id = connector->encoder->base.id; |
||
1301 | else |
||
1302 | out_resp->encoder_id = 0; |
||
1303 | |||
1304 | /* |
||
1305 | * This ioctl is called twice, once to determine how much space is |
||
1306 | * needed, and the 2nd time to fill it. |
||
1307 | */ |
||
1308 | if ((out_resp->count_modes >= mode_count) && mode_count) { |
||
1309 | copied = 0; |
||
1310 | mode_ptr = (struct drm_mode_modeinfo *)(unsigned long)out_resp->modes_ptr; |
||
1311 | list_for_each_entry(mode, &connector->modes, head) { |
||
1312 | drm_crtc_convert_to_umode(&u_mode, mode); |
||
1313 | if (copy_to_user(mode_ptr + copied, |
||
1314 | &u_mode, sizeof(u_mode))) { |
||
1315 | ret = -EFAULT; |
||
1316 | goto out; |
||
1317 | } |
||
1318 | copied++; |
||
1319 | } |
||
1320 | } |
||
1321 | out_resp->count_modes = mode_count; |
||
1322 | |||
1323 | if ((out_resp->count_props >= props_count) && props_count) { |
||
1324 | copied = 0; |
||
1325 | prop_ptr = (uint32_t *)(unsigned long)(out_resp->props_ptr); |
||
1326 | prop_values = (uint64_t *)(unsigned long)(out_resp->prop_values_ptr); |
||
1327 | for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { |
||
1328 | if (connector->property_ids[i] != 0) { |
||
1329 | if (put_user(connector->property_ids[i], |
||
1330 | prop_ptr + copied)) { |
||
1331 | ret = -EFAULT; |
||
1332 | goto out; |
||
1333 | } |
||
1334 | |||
1335 | if (put_user(connector->property_values[i], |
||
1336 | prop_values + copied)) { |
||
1337 | ret = -EFAULT; |
||
1338 | goto out; |
||
1339 | } |
||
1340 | copied++; |
||
1341 | } |
||
1342 | } |
||
1343 | } |
||
1344 | out_resp->count_props = props_count; |
||
1345 | |||
1346 | if ((out_resp->count_encoders >= encoders_count) && encoders_count) { |
||
1347 | copied = 0; |
||
1348 | encoder_ptr = (uint32_t *)(unsigned long)(out_resp->encoders_ptr); |
||
1349 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { |
||
1350 | if (connector->encoder_ids[i] != 0) { |
||
1351 | if (put_user(connector->encoder_ids[i], |
||
1352 | encoder_ptr + copied)) { |
||
1353 | ret = -EFAULT; |
||
1354 | goto out; |
||
1355 | } |
||
1356 | copied++; |
||
1357 | } |
||
1358 | } |
||
1359 | } |
||
1360 | out_resp->count_encoders = encoders_count; |
||
1361 | |||
1362 | out: |
||
1363 | mutex_unlock(&dev->mode_config.mutex); |
||
1364 | return ret; |
||
1365 | } |
||
1366 | |||
1367 | int drm_mode_getencoder(struct drm_device *dev, void *data, |
||
1368 | struct drm_file *file_priv) |
||
1369 | { |
||
1370 | struct drm_mode_get_encoder *enc_resp = data; |
||
1371 | struct drm_mode_object *obj; |
||
1372 | struct drm_encoder *encoder; |
||
1373 | int ret = 0; |
||
1374 | |||
1375 | mutex_lock(&dev->mode_config.mutex); |
||
1376 | obj = drm_mode_object_find(dev, enc_resp->encoder_id, |
||
1377 | DRM_MODE_OBJECT_ENCODER); |
||
1378 | if (!obj) { |
||
1379 | ret = -EINVAL; |
||
1380 | goto out; |
||
1381 | } |
||
1382 | encoder = obj_to_encoder(obj); |
||
1383 | |||
1384 | if (encoder->crtc) |
||
1385 | enc_resp->crtc_id = encoder->crtc->base.id; |
||
1386 | else |
||
1387 | enc_resp->crtc_id = 0; |
||
1388 | enc_resp->encoder_type = encoder->encoder_type; |
||
1389 | enc_resp->encoder_id = encoder->base.id; |
||
1390 | enc_resp->possible_crtcs = encoder->possible_crtcs; |
||
1391 | enc_resp->possible_clones = encoder->possible_clones; |
||
1392 | |||
1393 | out: |
||
1394 | mutex_unlock(&dev->mode_config.mutex); |
||
1395 | return ret; |
||
1396 | } |
||
1397 | |||
1398 | /** |
||
1399 | * drm_mode_setcrtc - set CRTC configuration |
||
1400 | * @inode: inode from the ioctl |
||
1401 | * @filp: file * from the ioctl |
||
1402 | * @cmd: cmd from ioctl |
||
1403 | * @arg: arg from ioctl |
||
1404 | * |
||
1405 | * LOCKING: |
||
1406 | * Caller? (FIXME) |
||
1407 | * |
||
1408 | * Build a new CRTC configuration based on user request. |
||
1409 | * |
||
1410 | * Called by the user via ioctl. |
||
1411 | * |
||
1412 | * RETURNS: |
||
1413 | * Zero on success, errno on failure. |
||
1414 | */ |
||
1415 | int drm_mode_setcrtc(struct drm_device *dev, void *data, |
||
1416 | struct drm_file *file_priv) |
||
1417 | { |
||
1418 | struct drm_mode_config *config = &dev->mode_config; |
||
1419 | struct drm_mode_crtc *crtc_req = data; |
||
1420 | struct drm_mode_object *obj; |
||
1421 | struct drm_crtc *crtc, *crtcfb; |
||
1422 | struct drm_connector **connector_set = NULL, *connector; |
||
1423 | struct drm_framebuffer *fb = NULL; |
||
1424 | struct drm_display_mode *mode = NULL; |
||
1425 | struct drm_mode_set set; |
||
1426 | uint32_t __user *set_connectors_ptr; |
||
1427 | int ret = 0; |
||
1428 | int i; |
||
1429 | |||
1430 | mutex_lock(&dev->mode_config.mutex); |
||
1431 | obj = drm_mode_object_find(dev, crtc_req->crtc_id, |
||
1432 | DRM_MODE_OBJECT_CRTC); |
||
1433 | if (!obj) { |
||
1434 | DRM_DEBUG("Unknown CRTC ID %d\n", crtc_req->crtc_id); |
||
1435 | ret = -EINVAL; |
||
1436 | goto out; |
||
1437 | } |
||
1438 | crtc = obj_to_crtc(obj); |
||
1439 | |||
1440 | if (crtc_req->mode_valid) { |
||
1441 | /* If we have a mode we need a framebuffer. */ |
||
1442 | /* If we pass -1, set the mode with the currently bound fb */ |
||
1443 | if (crtc_req->fb_id == -1) { |
||
1444 | list_for_each_entry(crtcfb, |
||
1445 | &dev->mode_config.crtc_list, head) { |
||
1446 | if (crtcfb == crtc) { |
||
1447 | DRM_DEBUG("Using current fb for setmode\n"); |
||
1448 | fb = crtc->fb; |
||
1449 | } |
||
1450 | } |
||
1451 | } else { |
||
1452 | obj = drm_mode_object_find(dev, crtc_req->fb_id, |
||
1453 | DRM_MODE_OBJECT_FB); |
||
1454 | if (!obj) { |
||
1455 | DRM_DEBUG("Unknown FB ID%d\n", crtc_req->fb_id); |
||
1456 | ret = -EINVAL; |
||
1457 | goto out; |
||
1458 | } |
||
1459 | fb = obj_to_fb(obj); |
||
1460 | } |
||
1461 | |||
1462 | mode = drm_mode_create(dev); |
||
1463 | drm_crtc_convert_umode(mode, &crtc_req->mode); |
||
1464 | drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V); |
||
1465 | } |
||
1466 | |||
1467 | if (crtc_req->count_connectors == 0 && mode) { |
||
1468 | DRM_DEBUG("Count connectors is 0 but mode set\n"); |
||
1469 | ret = -EINVAL; |
||
1470 | goto out; |
||
1471 | } |
||
1472 | |||
1473 | if (crtc_req->count_connectors > 0 && !mode && !fb) { |
||
1474 | DRM_DEBUG("Count connectors is %d but no mode or fb set\n", |
||
1475 | crtc_req->count_connectors); |
||
1476 | ret = -EINVAL; |
||
1477 | goto out; |
||
1478 | } |
||
1479 | |||
1480 | if (crtc_req->count_connectors > 0) { |
||
1481 | u32 out_id; |
||
1482 | |||
1483 | /* Avoid unbounded kernel memory allocation */ |
||
1484 | if (crtc_req->count_connectors > config->num_connector) { |
||
1485 | ret = -EINVAL; |
||
1486 | goto out; |
||
1487 | } |
||
1488 | |||
1489 | connector_set = kmalloc(crtc_req->count_connectors * |
||
1490 | sizeof(struct drm_connector *), |
||
1491 | GFP_KERNEL); |
||
1492 | if (!connector_set) { |
||
1493 | ret = -ENOMEM; |
||
1494 | goto out; |
||
1495 | } |
||
1496 | |||
1497 | for (i = 0; i < crtc_req->count_connectors; i++) { |
||
1498 | set_connectors_ptr = (uint32_t *)(unsigned long)crtc_req->set_connectors_ptr; |
||
1499 | if (get_user(out_id, &set_connectors_ptr[i])) { |
||
1500 | ret = -EFAULT; |
||
1501 | goto out; |
||
1502 | } |
||
1503 | |||
1504 | obj = drm_mode_object_find(dev, out_id, |
||
1505 | DRM_MODE_OBJECT_CONNECTOR); |
||
1506 | if (!obj) { |
||
1507 | DRM_DEBUG("Connector id %d unknown\n", out_id); |
||
1508 | ret = -EINVAL; |
||
1509 | goto out; |
||
1510 | } |
||
1511 | connector = obj_to_connector(obj); |
||
1512 | |||
1513 | connector_set[i] = connector; |
||
1514 | } |
||
1515 | } |
||
1516 | |||
1517 | set.crtc = crtc; |
||
1518 | set.x = crtc_req->x; |
||
1519 | set.y = crtc_req->y; |
||
1520 | set.mode = mode; |
||
1521 | set.connectors = connector_set; |
||
1522 | set.num_connectors = crtc_req->count_connectors; |
||
1523 | set.fb =fb; |
||
1524 | ret = crtc->funcs->set_config(&set); |
||
1525 | |||
1526 | out: |
||
1527 | kfree(connector_set); |
||
1528 | mutex_unlock(&dev->mode_config.mutex); |
||
1529 | return ret; |
||
1530 | } |
||
1531 | |||
1532 | int drm_mode_cursor_ioctl(struct drm_device *dev, |
||
1533 | void *data, struct drm_file *file_priv) |
||
1534 | { |
||
1535 | struct drm_mode_cursor *req = data; |
||
1536 | struct drm_mode_object *obj; |
||
1537 | struct drm_crtc *crtc; |
||
1538 | int ret = 0; |
||
1539 | |||
1540 | DRM_DEBUG("\n"); |
||
1541 | |||
1542 | if (!req->flags) { |
||
1543 | DRM_ERROR("no operation set\n"); |
||
1544 | return -EINVAL; |
||
1545 | } |
||
1546 | |||
1547 | mutex_lock(&dev->mode_config.mutex); |
||
1548 | obj = drm_mode_object_find(dev, req->crtc_id, DRM_MODE_OBJECT_CRTC); |
||
1549 | if (!obj) { |
||
1550 | DRM_DEBUG("Unknown CRTC ID %d\n", req->crtc_id); |
||
1551 | ret = -EINVAL; |
||
1552 | goto out; |
||
1553 | } |
||
1554 | crtc = obj_to_crtc(obj); |
||
1555 | |||
1556 | if (req->flags & DRM_MODE_CURSOR_BO) { |
||
1557 | if (!crtc->funcs->cursor_set) { |
||
1558 | DRM_ERROR("crtc does not support cursor\n"); |
||
1559 | ret = -ENXIO; |
||
1560 | goto out; |
||
1561 | } |
||
1562 | /* Turns off the cursor if handle is 0 */ |
||
1563 | ret = crtc->funcs->cursor_set(crtc, file_priv, req->handle, |
||
1564 | req->width, req->height); |
||
1565 | } |
||
1566 | |||
1567 | if (req->flags & DRM_MODE_CURSOR_MOVE) { |
||
1568 | if (crtc->funcs->cursor_move) { |
||
1569 | ret = crtc->funcs->cursor_move(crtc, req->x, req->y); |
||
1570 | } else { |
||
1571 | DRM_ERROR("crtc does not support cursor\n"); |
||
1572 | ret = -EFAULT; |
||
1573 | goto out; |
||
1574 | } |
||
1575 | } |
||
1576 | out: |
||
1577 | mutex_unlock(&dev->mode_config.mutex); |
||
1578 | return ret; |
||
1579 | } |
||
1580 | |||
1581 | /** |
||
1582 | * drm_mode_addfb - add an FB to the graphics configuration |
||
1583 | * @inode: inode from the ioctl |
||
1584 | * @filp: file * from the ioctl |
||
1585 | * @cmd: cmd from ioctl |
||
1586 | * @arg: arg from ioctl |
||
1587 | * |
||
1588 | * LOCKING: |
||
1589 | * Takes mode config lock. |
||
1590 | * |
||
1591 | * Add a new FB to the specified CRTC, given a user request. |
||
1592 | * |
||
1593 | * Called by the user via ioctl. |
||
1594 | * |
||
1595 | * RETURNS: |
||
1596 | * Zero on success, errno on failure. |
||
1597 | */ |
||
1598 | int drm_mode_addfb(struct drm_device *dev, |
||
1599 | void *data, struct drm_file *file_priv) |
||
1600 | { |
||
1601 | struct drm_mode_fb_cmd *r = data; |
||
1602 | struct drm_mode_config *config = &dev->mode_config; |
||
1603 | struct drm_framebuffer *fb; |
||
1604 | int ret = 0; |
||
1605 | |||
1606 | if ((config->min_width > r->width) || (r->width > config->max_width)) { |
||
1607 | DRM_ERROR("mode new framebuffer width not within limits\n"); |
||
1608 | return -EINVAL; |
||
1609 | } |
||
1610 | if ((config->min_height > r->height) || (r->height > config->max_height)) { |
||
1611 | DRM_ERROR("mode new framebuffer height not within limits\n"); |
||
1612 | return -EINVAL; |
||
1613 | } |
||
1614 | |||
1615 | mutex_lock(&dev->mode_config.mutex); |
||
1616 | |||
1617 | /* TODO check buffer is sufficently large */ |
||
1618 | /* TODO setup destructor callback */ |
||
1619 | |||
1620 | fb = dev->mode_config.funcs->fb_create(dev, file_priv, r); |
||
1621 | if (!fb) { |
||
1622 | DRM_ERROR("could not create framebuffer\n"); |
||
1623 | ret = -EINVAL; |
||
1624 | goto out; |
||
1625 | } |
||
1626 | |||
1627 | r->fb_id = fb->base.id; |
||
1628 | list_add(&fb->filp_head, &file_priv->fbs); |
||
1629 | |||
1630 | out: |
||
1631 | mutex_unlock(&dev->mode_config.mutex); |
||
1632 | return ret; |
||
1633 | } |
||
1634 | |||
1635 | /** |
||
1636 | * drm_mode_rmfb - remove an FB from the configuration |
||
1637 | * @inode: inode from the ioctl |
||
1638 | * @filp: file * from the ioctl |
||
1639 | * @cmd: cmd from ioctl |
||
1640 | * @arg: arg from ioctl |
||
1641 | * |
||
1642 | * LOCKING: |
||
1643 | * Takes mode config lock. |
||
1644 | * |
||
1645 | * Remove the FB specified by the user. |
||
1646 | * |
||
1647 | * Called by the user via ioctl. |
||
1648 | * |
||
1649 | * RETURNS: |
||
1650 | * Zero on success, errno on failure. |
||
1651 | */ |
||
1652 | int drm_mode_rmfb(struct drm_device *dev, |
||
1653 | void *data, struct drm_file *file_priv) |
||
1654 | { |
||
1655 | struct drm_mode_object *obj; |
||
1656 | struct drm_framebuffer *fb = NULL; |
||
1657 | struct drm_framebuffer *fbl = NULL; |
||
1658 | uint32_t *id = data; |
||
1659 | int ret = 0; |
||
1660 | int found = 0; |
||
1661 | |||
1662 | mutex_lock(&dev->mode_config.mutex); |
||
1663 | obj = drm_mode_object_find(dev, *id, DRM_MODE_OBJECT_FB); |
||
1664 | /* TODO check that we realy get a framebuffer back. */ |
||
1665 | if (!obj) { |
||
1666 | DRM_ERROR("mode invalid framebuffer id\n"); |
||
1667 | ret = -EINVAL; |
||
1668 | goto out; |
||
1669 | } |
||
1670 | fb = obj_to_fb(obj); |
||
1671 | |||
1672 | list_for_each_entry(fbl, &file_priv->fbs, filp_head) |
||
1673 | if (fb == fbl) |
||
1674 | found = 1; |
||
1675 | |||
1676 | if (!found) { |
||
1677 | DRM_ERROR("tried to remove a fb that we didn't own\n"); |
||
1678 | ret = -EINVAL; |
||
1679 | goto out; |
||
1680 | } |
||
1681 | |||
1682 | /* TODO release all crtc connected to the framebuffer */ |
||
1683 | /* TODO unhock the destructor from the buffer object */ |
||
1684 | |||
1685 | list_del(&fb->filp_head); |
||
1686 | fb->funcs->destroy(fb); |
||
1687 | |||
1688 | out: |
||
1689 | mutex_unlock(&dev->mode_config.mutex); |
||
1690 | return ret; |
||
1691 | } |
||
1692 | |||
1693 | /** |
||
1694 | * drm_mode_getfb - get FB info |
||
1695 | * @inode: inode from the ioctl |
||
1696 | * @filp: file * from the ioctl |
||
1697 | * @cmd: cmd from ioctl |
||
1698 | * @arg: arg from ioctl |
||
1699 | * |
||
1700 | * LOCKING: |
||
1701 | * Caller? (FIXME) |
||
1702 | * |
||
1703 | * Lookup the FB given its ID and return info about it. |
||
1704 | * |
||
1705 | * Called by the user via ioctl. |
||
1706 | * |
||
1707 | * RETURNS: |
||
1708 | * Zero on success, errno on failure. |
||
1709 | */ |
||
1710 | int drm_mode_getfb(struct drm_device *dev, |
||
1711 | void *data, struct drm_file *file_priv) |
||
1712 | { |
||
1713 | struct drm_mode_fb_cmd *r = data; |
||
1714 | struct drm_mode_object *obj; |
||
1715 | struct drm_framebuffer *fb; |
||
1716 | int ret = 0; |
||
1717 | |||
1718 | mutex_lock(&dev->mode_config.mutex); |
||
1719 | obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB); |
||
1720 | if (!obj) { |
||
1721 | DRM_ERROR("invalid framebuffer id\n"); |
||
1722 | ret = -EINVAL; |
||
1723 | goto out; |
||
1724 | } |
||
1725 | fb = obj_to_fb(obj); |
||
1726 | |||
1727 | r->height = fb->height; |
||
1728 | r->width = fb->width; |
||
1729 | r->depth = fb->depth; |
||
1730 | r->bpp = fb->bits_per_pixel; |
||
1731 | r->pitch = fb->pitch; |
||
1732 | fb->funcs->create_handle(fb, file_priv, &r->handle); |
||
1733 | |||
1734 | out: |
||
1735 | mutex_unlock(&dev->mode_config.mutex); |
||
1736 | return ret; |
||
1737 | } |
||
1738 | |||
1739 | /** |
||
1740 | * drm_fb_release - remove and free the FBs on this file |
||
1741 | * @filp: file * from the ioctl |
||
1742 | * |
||
1743 | * LOCKING: |
||
1744 | * Takes mode config lock. |
||
1745 | * |
||
1746 | * Destroy all the FBs associated with @filp. |
||
1747 | * |
||
1748 | * Called by the user via ioctl. |
||
1749 | * |
||
1750 | * RETURNS: |
||
1751 | * Zero on success, errno on failure. |
||
1752 | */ |
||
1753 | void drm_fb_release(struct drm_file *priv) |
||
1754 | { |
||
1755 | struct drm_device *dev = priv->minor->dev; |
||
1756 | struct drm_framebuffer *fb, *tfb; |
||
1757 | |||
1758 | mutex_lock(&dev->mode_config.mutex); |
||
1759 | list_for_each_entry_safe(fb, tfb, &priv->fbs, filp_head) { |
||
1760 | list_del(&fb->filp_head); |
||
1761 | fb->funcs->destroy(fb); |
||
1762 | } |
||
1763 | mutex_unlock(&dev->mode_config.mutex); |
||
1764 | } |
||
1765 | #endif |
||
1766 | |||
1767 | |||
1768 | /** |
||
1769 | * drm_mode_attachmode - add a mode to the user mode list |
||
1770 | * @dev: DRM device |
||
1771 | * @connector: connector to add the mode to |
||
1772 | * @mode: mode to add |
||
1773 | * |
||
1774 | * Add @mode to @connector's user mode list. |
||
1775 | */ |
||
1776 | static int drm_mode_attachmode(struct drm_device *dev, |
||
1777 | struct drm_connector *connector, |
||
1778 | struct drm_display_mode *mode) |
||
1779 | { |
||
1780 | int ret = 0; |
||
1781 | |||
1782 | list_add_tail(&mode->head, &connector->user_modes); |
||
1783 | return ret; |
||
1784 | } |
||
1785 | |||
1786 | int drm_mode_attachmode_crtc(struct drm_device *dev, struct drm_crtc *crtc, |
||
1787 | struct drm_display_mode *mode) |
||
1788 | { |
||
1789 | struct drm_connector *connector; |
||
1790 | int ret = 0; |
||
1791 | struct drm_display_mode *dup_mode; |
||
1792 | int need_dup = 0; |
||
1793 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { |
||
1794 | if (!connector->encoder) |
||
1795 | break; |
||
1796 | if (connector->encoder->crtc == crtc) { |
||
1797 | if (need_dup) |
||
1798 | dup_mode = drm_mode_duplicate(dev, mode); |
||
1799 | else |
||
1800 | dup_mode = mode; |
||
1801 | ret = drm_mode_attachmode(dev, connector, dup_mode); |
||
1802 | if (ret) |
||
1803 | return ret; |
||
1804 | need_dup = 1; |
||
1805 | } |
||
1806 | } |
||
1807 | return 0; |
||
1808 | } |
||
1809 | EXPORT_SYMBOL(drm_mode_attachmode_crtc); |
||
1810 | |||
1811 | static int drm_mode_detachmode(struct drm_device *dev, |
||
1812 | struct drm_connector *connector, |
||
1813 | struct drm_display_mode *mode) |
||
1814 | { |
||
1815 | int found = 0; |
||
1816 | int ret = 0; |
||
1817 | struct drm_display_mode *match_mode, *t; |
||
1818 | |||
1819 | list_for_each_entry_safe(match_mode, t, &connector->user_modes, head) { |
||
1820 | if (drm_mode_equal(match_mode, mode)) { |
||
1821 | list_del(&match_mode->head); |
||
1822 | drm_mode_destroy(dev, match_mode); |
||
1823 | found = 1; |
||
1824 | break; |
||
1825 | } |
||
1826 | } |
||
1827 | |||
1828 | if (!found) |
||
1829 | ret = -EINVAL; |
||
1830 | |||
1831 | return ret; |
||
1832 | } |
||
1833 | |||
1834 | int drm_mode_detachmode_crtc(struct drm_device *dev, struct drm_display_mode *mode) |
||
1835 | { |
||
1836 | struct drm_connector *connector; |
||
1837 | |||
1838 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { |
||
1839 | drm_mode_detachmode(dev, connector, mode); |
||
1840 | } |
||
1841 | return 0; |
||
1842 | } |
||
1843 | EXPORT_SYMBOL(drm_mode_detachmode_crtc); |
||
1844 | |||
1845 | #if 0 |
||
1846 | |||
1847 | /** |
||
1848 | * drm_fb_attachmode - Attach a user mode to an connector |
||
1849 | * @inode: inode from the ioctl |
||
1850 | * @filp: file * from the ioctl |
||
1851 | * @cmd: cmd from ioctl |
||
1852 | * @arg: arg from ioctl |
||
1853 | * |
||
1854 | * This attaches a user specified mode to an connector. |
||
1855 | * Called by the user via ioctl. |
||
1856 | * |
||
1857 | * RETURNS: |
||
1858 | * Zero on success, errno on failure. |
||
1859 | */ |
||
1860 | int drm_mode_attachmode_ioctl(struct drm_device *dev, |
||
1861 | void *data, struct drm_file *file_priv) |
||
1862 | { |
||
1863 | struct drm_mode_mode_cmd *mode_cmd = data; |
||
1864 | struct drm_connector *connector; |
||
1865 | struct drm_display_mode *mode; |
||
1866 | struct drm_mode_object *obj; |
||
1867 | struct drm_mode_modeinfo *umode = &mode_cmd->mode; |
||
1868 | int ret = 0; |
||
1869 | |||
1870 | mutex_lock(&dev->mode_config.mutex); |
||
1871 | |||
1872 | obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR); |
||
1873 | if (!obj) { |
||
1874 | ret = -EINVAL; |
||
1875 | goto out; |
||
1876 | } |
||
1877 | connector = obj_to_connector(obj); |
||
1878 | |||
1879 | mode = drm_mode_create(dev); |
||
1880 | if (!mode) { |
||
1881 | ret = -ENOMEM; |
||
1882 | goto out; |
||
1883 | } |
||
1884 | |||
1885 | drm_crtc_convert_umode(mode, umode); |
||
1886 | |||
1887 | ret = drm_mode_attachmode(dev, connector, mode); |
||
1888 | out: |
||
1889 | mutex_unlock(&dev->mode_config.mutex); |
||
1890 | return ret; |
||
1891 | } |
||
1892 | |||
1893 | |||
1894 | /** |
||
1895 | * drm_fb_detachmode - Detach a user specified mode from an connector |
||
1896 | * @inode: inode from the ioctl |
||
1897 | * @filp: file * from the ioctl |
||
1898 | * @cmd: cmd from ioctl |
||
1899 | * @arg: arg from ioctl |
||
1900 | * |
||
1901 | * Called by the user via ioctl. |
||
1902 | * |
||
1903 | * RETURNS: |
||
1904 | * Zero on success, errno on failure. |
||
1905 | */ |
||
1906 | int drm_mode_detachmode_ioctl(struct drm_device *dev, |
||
1907 | void *data, struct drm_file *file_priv) |
||
1908 | { |
||
1909 | struct drm_mode_object *obj; |
||
1910 | struct drm_mode_mode_cmd *mode_cmd = data; |
||
1911 | struct drm_connector *connector; |
||
1912 | struct drm_display_mode mode; |
||
1913 | struct drm_mode_modeinfo *umode = &mode_cmd->mode; |
||
1914 | int ret = 0; |
||
1915 | |||
1916 | mutex_lock(&dev->mode_config.mutex); |
||
1917 | |||
1918 | obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR); |
||
1919 | if (!obj) { |
||
1920 | ret = -EINVAL; |
||
1921 | goto out; |
||
1922 | } |
||
1923 | connector = obj_to_connector(obj); |
||
1924 | |||
1925 | drm_crtc_convert_umode(&mode, umode); |
||
1926 | ret = drm_mode_detachmode(dev, connector, &mode); |
||
1927 | out: |
||
1928 | mutex_unlock(&dev->mode_config.mutex); |
||
1929 | return ret; |
||
1930 | } |
||
1931 | #endif |
||
1932 | |||
1933 | struct drm_property *drm_property_create(struct drm_device *dev, int flags, |
||
1934 | const char *name, int num_values) |
||
1935 | { |
||
1936 | struct drm_property *property = NULL; |
||
1937 | |||
1938 | property = kzalloc(sizeof(struct drm_property), GFP_KERNEL); |
||
1939 | if (!property) |
||
1940 | return NULL; |
||
1941 | |||
1942 | if (num_values) { |
||
1943 | property->values = kzalloc(sizeof(uint64_t)*num_values, GFP_KERNEL); |
||
1944 | if (!property->values) |
||
1945 | goto fail; |
||
1946 | } |
||
1947 | |||
1948 | drm_mode_object_get(dev, &property->base, DRM_MODE_OBJECT_PROPERTY); |
||
1949 | property->flags = flags; |
||
1950 | property->num_values = num_values; |
||
1951 | INIT_LIST_HEAD(&property->enum_blob_list); |
||
1952 | |||
1953 | if (name) |
||
1954 | strncpy(property->name, name, DRM_PROP_NAME_LEN); |
||
1955 | |||
1956 | list_add_tail(&property->head, &dev->mode_config.property_list); |
||
1957 | return property; |
||
1958 | fail: |
||
1959 | kfree(property); |
||
1960 | return NULL; |
||
1961 | } |
||
1962 | EXPORT_SYMBOL(drm_property_create); |
||
1963 | |||
1964 | int drm_property_add_enum(struct drm_property *property, int index, |
||
1965 | uint64_t value, const char *name) |
||
1966 | { |
||
1967 | struct drm_property_enum *prop_enum; |
||
1968 | |||
1969 | if (!(property->flags & DRM_MODE_PROP_ENUM)) |
||
1970 | return -EINVAL; |
||
1971 | |||
1972 | if (!list_empty(&property->enum_blob_list)) { |
||
1973 | list_for_each_entry(prop_enum, &property->enum_blob_list, head) { |
||
1974 | if (prop_enum->value == value) { |
||
1975 | strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); |
||
1976 | prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; |
||
1977 | return 0; |
||
1978 | } |
||
1979 | } |
||
1980 | } |
||
1981 | |||
1982 | prop_enum = kzalloc(sizeof(struct drm_property_enum), GFP_KERNEL); |
||
1983 | if (!prop_enum) |
||
1984 | return -ENOMEM; |
||
1985 | |||
1986 | strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); |
||
1987 | prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; |
||
1988 | prop_enum->value = value; |
||
1989 | |||
1990 | property->values[index] = value; |
||
1991 | list_add_tail(&prop_enum->head, &property->enum_blob_list); |
||
1992 | return 0; |
||
1993 | } |
||
1994 | EXPORT_SYMBOL(drm_property_add_enum); |
||
1995 | |||
1996 | void drm_property_destroy(struct drm_device *dev, struct drm_property *property) |
||
1997 | { |
||
1998 | struct drm_property_enum *prop_enum, *pt; |
||
1999 | |||
2000 | list_for_each_entry_safe(prop_enum, pt, &property->enum_blob_list, head) { |
||
2001 | list_del(&prop_enum->head); |
||
2002 | kfree(prop_enum); |
||
2003 | } |
||
2004 | |||
2005 | if (property->num_values) |
||
2006 | kfree(property->values); |
||
2007 | drm_mode_object_put(dev, &property->base); |
||
2008 | list_del(&property->head); |
||
2009 | kfree(property); |
||
2010 | } |
||
2011 | EXPORT_SYMBOL(drm_property_destroy); |
||
2012 | |||
2013 | int drm_connector_attach_property(struct drm_connector *connector, |
||
2014 | struct drm_property *property, uint64_t init_val) |
||
2015 | { |
||
2016 | int i; |
||
2017 | |||
2018 | for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { |
||
2019 | if (connector->property_ids[i] == 0) { |
||
2020 | connector->property_ids[i] = property->base.id; |
||
2021 | connector->property_values[i] = init_val; |
||
2022 | break; |
||
2023 | } |
||
2024 | } |
||
2025 | |||
2026 | if (i == DRM_CONNECTOR_MAX_PROPERTY) |
||
2027 | return -EINVAL; |
||
2028 | return 0; |
||
2029 | } |
||
2030 | EXPORT_SYMBOL(drm_connector_attach_property); |
||
2031 | |||
2032 | int drm_connector_property_set_value(struct drm_connector *connector, |
||
2033 | struct drm_property *property, uint64_t value) |
||
2034 | { |
||
2035 | int i; |
||
2036 | |||
2037 | for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { |
||
2038 | if (connector->property_ids[i] == property->base.id) { |
||
2039 | connector->property_values[i] = value; |
||
2040 | break; |
||
2041 | } |
||
2042 | } |
||
2043 | |||
2044 | if (i == DRM_CONNECTOR_MAX_PROPERTY) |
||
2045 | return -EINVAL; |
||
2046 | return 0; |
||
2047 | } |
||
2048 | EXPORT_SYMBOL(drm_connector_property_set_value); |
||
2049 | |||
2050 | int drm_connector_property_get_value(struct drm_connector *connector, |
||
2051 | struct drm_property *property, uint64_t *val) |
||
2052 | { |
||
2053 | int i; |
||
2054 | |||
2055 | for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { |
||
2056 | if (connector->property_ids[i] == property->base.id) { |
||
2057 | *val = connector->property_values[i]; |
||
2058 | break; |
||
2059 | } |
||
2060 | } |
||
2061 | |||
2062 | if (i == DRM_CONNECTOR_MAX_PROPERTY) |
||
2063 | return -EINVAL; |
||
2064 | return 0; |
||
2065 | } |
||
2066 | EXPORT_SYMBOL(drm_connector_property_get_value); |
||
2067 | |||
2068 | #if 0 |
||
2069 | int drm_mode_getproperty_ioctl(struct drm_device *dev, |
||
2070 | void *data, struct drm_file *file_priv) |
||
2071 | { |
||
2072 | struct drm_mode_object *obj; |
||
2073 | struct drm_mode_get_property *out_resp = data; |
||
2074 | struct drm_property *property; |
||
2075 | int enum_count = 0; |
||
2076 | int blob_count = 0; |
||
2077 | int value_count = 0; |
||
2078 | int ret = 0, i; |
||
2079 | int copied; |
||
2080 | struct drm_property_enum *prop_enum; |
||
2081 | struct drm_mode_property_enum __user *enum_ptr; |
||
2082 | struct drm_property_blob *prop_blob; |
||
2083 | uint32_t *blob_id_ptr; |
||
2084 | uint64_t __user *values_ptr; |
||
2085 | uint32_t __user *blob_length_ptr; |
||
2086 | |||
2087 | // mutex_lock(&dev->mode_config.mutex); |
||
2088 | obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY); |
||
2089 | if (!obj) { |
||
2090 | ret = -EINVAL; |
||
2091 | goto done; |
||
2092 | } |
||
2093 | property = obj_to_property(obj); |
||
2094 | |||
2095 | if (property->flags & DRM_MODE_PROP_ENUM) { |
||
2096 | list_for_each_entry(prop_enum, &property->enum_blob_list, head) |
||
2097 | enum_count++; |
||
2098 | } else if (property->flags & DRM_MODE_PROP_BLOB) { |
||
2099 | list_for_each_entry(prop_blob, &property->enum_blob_list, head) |
||
2100 | blob_count++; |
||
2101 | } |
||
2102 | |||
2103 | value_count = property->num_values; |
||
2104 | |||
2105 | strncpy(out_resp->name, property->name, DRM_PROP_NAME_LEN); |
||
2106 | out_resp->name[DRM_PROP_NAME_LEN-1] = 0; |
||
2107 | out_resp->flags = property->flags; |
||
2108 | |||
2109 | if ((out_resp->count_values >= value_count) && value_count) { |
||
2110 | values_ptr = (uint64_t *)(unsigned long)out_resp->values_ptr; |
||
2111 | for (i = 0; i < value_count; i++) { |
||
2112 | if (copy_to_user(values_ptr + i, &property->values[i], sizeof(uint64_t))) { |
||
2113 | ret = -EFAULT; |
||
2114 | goto done; |
||
2115 | } |
||
2116 | } |
||
2117 | } |
||
2118 | out_resp->count_values = value_count; |
||
2119 | |||
2120 | if (property->flags & DRM_MODE_PROP_ENUM) { |
||
2121 | if ((out_resp->count_enum_blobs >= enum_count) && enum_count) { |
||
2122 | copied = 0; |
||
2123 | enum_ptr = (struct drm_mode_property_enum *)(unsigned long)out_resp->enum_blob_ptr; |
||
2124 | list_for_each_entry(prop_enum, &property->enum_blob_list, head) { |
||
2125 | |||
2126 | if (copy_to_user(&enum_ptr[copied].value, &prop_enum->value, sizeof(uint64_t))) { |
||
2127 | ret = -EFAULT; |
||
2128 | goto done; |
||
2129 | } |
||
2130 | |||
2131 | if (copy_to_user(&enum_ptr[copied].name, |
||
2132 | &prop_enum->name, DRM_PROP_NAME_LEN)) { |
||
2133 | ret = -EFAULT; |
||
2134 | goto done; |
||
2135 | } |
||
2136 | copied++; |
||
2137 | } |
||
2138 | } |
||
2139 | out_resp->count_enum_blobs = enum_count; |
||
2140 | } |
||
2141 | |||
2142 | if (property->flags & DRM_MODE_PROP_BLOB) { |
||
2143 | if ((out_resp->count_enum_blobs >= blob_count) && blob_count) { |
||
2144 | copied = 0; |
||
2145 | blob_id_ptr = (uint32_t *)(unsigned long)out_resp->enum_blob_ptr; |
||
2146 | blob_length_ptr = (uint32_t *)(unsigned long)out_resp->values_ptr; |
||
2147 | |||
2148 | list_for_each_entry(prop_blob, &property->enum_blob_list, head) { |
||
2149 | if (put_user(prop_blob->base.id, blob_id_ptr + copied)) { |
||
2150 | ret = -EFAULT; |
||
2151 | goto done; |
||
2152 | } |
||
2153 | |||
2154 | if (put_user(prop_blob->length, blob_length_ptr + copied)) { |
||
2155 | ret = -EFAULT; |
||
2156 | goto done; |
||
2157 | } |
||
2158 | |||
2159 | copied++; |
||
2160 | } |
||
2161 | } |
||
2162 | out_resp->count_enum_blobs = blob_count; |
||
2163 | } |
||
2164 | done: |
||
2165 | // mutex_unlock(&dev->mode_config.mutex); |
||
2166 | return ret; |
||
2167 | } |
||
2168 | #endif |
||
2169 | |||
2170 | static struct drm_property_blob *drm_property_create_blob(struct drm_device *dev, int length, |
||
2171 | void *data) |
||
2172 | { |
||
2173 | struct drm_property_blob *blob; |
||
2174 | |||
2175 | if (!length || !data) |
||
2176 | return NULL; |
||
2177 | |||
2178 | blob = kzalloc(sizeof(struct drm_property_blob)+length, GFP_KERNEL); |
||
2179 | if (!blob) |
||
2180 | return NULL; |
||
2181 | |||
2182 | blob->data = (void *)((char *)blob + sizeof(struct drm_property_blob)); |
||
2183 | blob->length = length; |
||
2184 | |||
2185 | memcpy(blob->data, data, length); |
||
2186 | |||
2187 | drm_mode_object_get(dev, &blob->base, DRM_MODE_OBJECT_BLOB); |
||
2188 | |||
2189 | list_add_tail(&blob->head, &dev->mode_config.property_blob_list); |
||
2190 | return blob; |
||
2191 | } |
||
2192 | |||
2193 | static void drm_property_destroy_blob(struct drm_device *dev, |
||
2194 | struct drm_property_blob *blob) |
||
2195 | { |
||
2196 | drm_mode_object_put(dev, &blob->base); |
||
2197 | list_del(&blob->head); |
||
2198 | kfree(blob); |
||
2199 | } |
||
2200 | |||
2201 | #if 0 |
||
2202 | int drm_mode_getblob_ioctl(struct drm_device *dev, |
||
2203 | void *data, struct drm_file *file_priv) |
||
2204 | { |
||
2205 | struct drm_mode_object *obj; |
||
2206 | struct drm_mode_get_blob *out_resp = data; |
||
2207 | struct drm_property_blob *blob; |
||
2208 | int ret = 0; |
||
2209 | void *blob_ptr; |
||
2210 | |||
2211 | mutex_lock(&dev->mode_config.mutex); |
||
2212 | obj = drm_mode_object_find(dev, out_resp->blob_id, DRM_MODE_OBJECT_BLOB); |
||
2213 | if (!obj) { |
||
2214 | ret = -EINVAL; |
||
2215 | goto done; |
||
2216 | } |
||
2217 | blob = obj_to_blob(obj); |
||
2218 | |||
2219 | if (out_resp->length == blob->length) { |
||
2220 | blob_ptr = (void *)(unsigned long)out_resp->data; |
||
2221 | if (copy_to_user(blob_ptr, blob->data, blob->length)){ |
||
2222 | ret = -EFAULT; |
||
2223 | goto done; |
||
2224 | } |
||
2225 | } |
||
2226 | out_resp->length = blob->length; |
||
2227 | |||
2228 | done: |
||
2229 | mutex_unlock(&dev->mode_config.mutex); |
||
2230 | return ret; |
||
2231 | } |
||
2232 | #endif |
||
2233 | |||
2234 | int drm_mode_connector_update_edid_property(struct drm_connector *connector, |
||
2235 | struct edid *edid) |
||
2236 | { |
||
2237 | struct drm_device *dev = connector->dev; |
||
2238 | int ret = 0; |
||
2239 | |||
2240 | if (connector->edid_blob_ptr) |
||
2241 | drm_property_destroy_blob(dev, connector->edid_blob_ptr); |
||
2242 | |||
2243 | /* Delete edid, when there is none. */ |
||
2244 | if (!edid) { |
||
2245 | connector->edid_blob_ptr = NULL; |
||
2246 | ret = drm_connector_property_set_value(connector, dev->mode_config.edid_property, 0); |
||
2247 | return ret; |
||
2248 | } |
||
2249 | |||
2250 | connector->edid_blob_ptr = drm_property_create_blob(connector->dev, 128, edid); |
||
2251 | |||
2252 | ret = drm_connector_property_set_value(connector, |
||
2253 | dev->mode_config.edid_property, |
||
2254 | connector->edid_blob_ptr->base.id); |
||
2255 | |||
2256 | return ret; |
||
2257 | } |
||
2258 | EXPORT_SYMBOL(drm_mode_connector_update_edid_property); |
||
2259 | |||
2260 | #if 0 |
||
2261 | int drm_mode_connector_property_set_ioctl(struct drm_device *dev, |
||
2262 | void *data, struct drm_file *file_priv) |
||
2263 | { |
||
2264 | struct drm_mode_connector_set_property *out_resp = data; |
||
2265 | struct drm_mode_object *obj; |
||
2266 | struct drm_property *property; |
||
2267 | struct drm_connector *connector; |
||
2268 | int ret = -EINVAL; |
||
2269 | int i; |
||
2270 | |||
2271 | // mutex_lock(&dev->mode_config.mutex); |
||
2272 | |||
2273 | obj = drm_mode_object_find(dev, out_resp->connector_id, DRM_MODE_OBJECT_CONNECTOR); |
||
2274 | if (!obj) { |
||
2275 | goto out; |
||
2276 | } |
||
2277 | connector = obj_to_connector(obj); |
||
2278 | |||
2279 | for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { |
||
2280 | if (connector->property_ids[i] == out_resp->prop_id) |
||
2281 | break; |
||
2282 | } |
||
2283 | |||
2284 | if (i == DRM_CONNECTOR_MAX_PROPERTY) { |
||
2285 | goto out; |
||
2286 | } |
||
2287 | |||
2288 | obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY); |
||
2289 | if (!obj) { |
||
2290 | goto out; |
||
2291 | } |
||
2292 | property = obj_to_property(obj); |
||
2293 | |||
2294 | if (property->flags & DRM_MODE_PROP_IMMUTABLE) |
||
2295 | goto out; |
||
2296 | |||
2297 | if (property->flags & DRM_MODE_PROP_RANGE) { |
||
2298 | if (out_resp->value < property->values[0]) |
||
2299 | goto out; |
||
2300 | |||
2301 | if (out_resp->value > property->values[1]) |
||
2302 | goto out; |
||
2303 | } else { |
||
2304 | int found = 0; |
||
2305 | for (i = 0; i < property->num_values; i++) { |
||
2306 | if (property->values[i] == out_resp->value) { |
||
2307 | found = 1; |
||
2308 | break; |
||
2309 | } |
||
2310 | } |
||
2311 | if (!found) { |
||
2312 | goto out; |
||
2313 | } |
||
2314 | } |
||
2315 | |||
2316 | /* Do DPMS ourselves */ |
||
2317 | if (property == connector->dev->mode_config.dpms_property) { |
||
2318 | if (connector->funcs->dpms) |
||
2319 | (*connector->funcs->dpms)(connector, (int) out_resp->value); |
||
2320 | ret = 0; |
||
2321 | } else if (connector->funcs->set_property) |
||
2322 | ret = connector->funcs->set_property(connector, property, out_resp->value); |
||
2323 | |||
2324 | /* store the property value if succesful */ |
||
2325 | if (!ret) |
||
2326 | drm_connector_property_set_value(connector, property, out_resp->value); |
||
2327 | out: |
||
2328 | // mutex_unlock(&dev->mode_config.mutex); |
||
2329 | return ret; |
||
2330 | } |
||
2331 | #endif |
||
2332 | |||
2333 | int drm_mode_connector_attach_encoder(struct drm_connector *connector, |
||
2334 | struct drm_encoder *encoder) |
||
2335 | { |
||
2336 | int i; |
||
2337 | |||
2338 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { |
||
2339 | if (connector->encoder_ids[i] == 0) { |
||
2340 | connector->encoder_ids[i] = encoder->base.id; |
||
2341 | return 0; |
||
2342 | } |
||
2343 | } |
||
2344 | return -ENOMEM; |
||
2345 | } |
||
2346 | EXPORT_SYMBOL(drm_mode_connector_attach_encoder); |
||
2347 | |||
2348 | void drm_mode_connector_detach_encoder(struct drm_connector *connector, |
||
2349 | struct drm_encoder *encoder) |
||
2350 | { |
||
2351 | int i; |
||
2352 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { |
||
2353 | if (connector->encoder_ids[i] == encoder->base.id) { |
||
2354 | connector->encoder_ids[i] = 0; |
||
2355 | if (connector->encoder == encoder) |
||
2356 | connector->encoder = NULL; |
||
2357 | break; |
||
2358 | } |
||
2359 | } |
||
2360 | } |
||
2361 | EXPORT_SYMBOL(drm_mode_connector_detach_encoder); |
||
2362 | |||
2363 | bool drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc, |
||
2364 | int gamma_size) |
||
2365 | { |
||
2366 | crtc->gamma_size = gamma_size; |
||
2367 | |||
2368 | crtc->gamma_store = kzalloc(gamma_size * sizeof(uint16_t) * 3, GFP_KERNEL); |
||
2369 | if (!crtc->gamma_store) { |
||
2370 | crtc->gamma_size = 0; |
||
2371 | return false; |
||
2372 | } |
||
2373 | |||
2374 | return true; |
||
2375 | } |
||
2376 | EXPORT_SYMBOL(drm_mode_crtc_set_gamma_size); |
||
2377 | |||
2378 | #if 0 |
||
2379 | int drm_mode_gamma_set_ioctl(struct drm_device *dev, |
||
2380 | void *data, struct drm_file *file_priv) |
||
2381 | { |
||
2382 | struct drm_mode_crtc_lut *crtc_lut = data; |
||
2383 | struct drm_mode_object *obj; |
||
2384 | struct drm_crtc *crtc; |
||
2385 | void *r_base, *g_base, *b_base; |
||
2386 | int size; |
||
2387 | int ret = 0; |
||
2388 | |||
2389 | // mutex_lock(&dev->mode_config.mutex); |
||
2390 | obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC); |
||
2391 | if (!obj) { |
||
2392 | ret = -EINVAL; |
||
2393 | goto out; |
||
2394 | } |
||
2395 | crtc = obj_to_crtc(obj); |
||
2396 | |||
2397 | /* memcpy into gamma store */ |
||
2398 | if (crtc_lut->gamma_size != crtc->gamma_size) { |
||
2399 | ret = -EINVAL; |
||
2400 | goto out; |
||
2401 | } |
||
2402 | |||
2403 | size = crtc_lut->gamma_size * (sizeof(uint16_t)); |
||
2404 | r_base = crtc->gamma_store; |
||
2405 | if (copy_from_user(r_base, (void __user *)(unsigned long)crtc_lut->red, size)) { |
||
2406 | ret = -EFAULT; |
||
2407 | goto out; |
||
2408 | } |
||
2409 | |||
2410 | g_base = r_base + size; |
||
2411 | if (copy_from_user(g_base, (void __user *)(unsigned long)crtc_lut->green, size)) { |
||
2412 | ret = -EFAULT; |
||
2413 | goto out; |
||
2414 | } |
||
2415 | |||
2416 | b_base = g_base + size; |
||
2417 | if (copy_from_user(b_base, (void __user *)(unsigned long)crtc_lut->blue, size)) { |
||
2418 | ret = -EFAULT; |
||
2419 | goto out; |
||
2420 | } |
||
2421 | |||
2422 | crtc->funcs->gamma_set(crtc, r_base, g_base, b_base, crtc->gamma_size); |
||
2423 | |||
2424 | out: |
||
2425 | // mutex_unlock(&dev->mode_config.mutex); |
||
2426 | return ret; |
||
2427 | |||
2428 | } |
||
2429 | |||
2430 | int drm_mode_gamma_get_ioctl(struct drm_device *dev, |
||
2431 | void *data, struct drm_file *file_priv) |
||
2432 | { |
||
2433 | struct drm_mode_crtc_lut *crtc_lut = data; |
||
2434 | struct drm_mode_object *obj; |
||
2435 | struct drm_crtc *crtc; |
||
2436 | void *r_base, *g_base, *b_base; |
||
2437 | int size; |
||
2438 | int ret = 0; |
||
2439 | |||
2440 | // mutex_lock(&dev->mode_config.mutex); |
||
2441 | obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC); |
||
2442 | if (!obj) { |
||
2443 | ret = -EINVAL; |
||
2444 | goto out; |
||
2445 | } |
||
2446 | crtc = obj_to_crtc(obj); |
||
2447 | |||
2448 | /* memcpy into gamma store */ |
||
2449 | if (crtc_lut->gamma_size != crtc->gamma_size) { |
||
2450 | ret = -EINVAL; |
||
2451 | goto out; |
||
2452 | } |
||
2453 | |||
2454 | size = crtc_lut->gamma_size * (sizeof(uint16_t)); |
||
2455 | r_base = crtc->gamma_store; |
||
2456 | if (copy_to_user((void __user *)(unsigned long)crtc_lut->red, r_base, size)) { |
||
2457 | ret = -EFAULT; |
||
2458 | goto out; |
||
2459 | } |
||
2460 | |||
2461 | g_base = r_base + size; |
||
2462 | if (copy_to_user((void __user *)(unsigned long)crtc_lut->green, g_base, size)) { |
||
2463 | ret = -EFAULT; |
||
2464 | goto out; |
||
2465 | } |
||
2466 | |||
2467 | b_base = g_base + size; |
||
2468 | if (copy_to_user((void __user *)(unsigned long)crtc_lut->blue, b_base, size)) { |
||
2469 | ret = -EFAULT; |
||
2470 | goto out; |
||
2471 | } |
||
2472 | out: |
||
2473 | // mutex_unlock(&dev->mode_config.mutex); |
||
2474 | return ret; |
||
2475 | } |
||
2476 | |||
2477 | #endif>>>>>>>>>>>>>>>>>>>>>>>>>> |