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Rev | Author | Line No. | Line |
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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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1179 | serge | 32 | #include |
1963 | serge | 33 | #include |
1123 | serge | 34 | #include "drm.h" |
35 | #include "drmP.h" |
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36 | #include "drm_crtc.h" |
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1963 | serge | 37 | #include "drm_edid.h" |
1123 | serge | 38 | |
39 | struct drm_prop_enum_list { |
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40 | int type; |
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41 | char *name; |
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42 | }; |
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43 | |||
44 | /* Avoid boilerplate. I'm tired of typing. */ |
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45 | #define DRM_ENUM_NAME_FN(fnname, list) \ |
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46 | char *fnname(int val) \ |
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47 | { \ |
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48 | int i; \ |
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49 | for (i = 0; i < ARRAY_SIZE(list); i++) { \ |
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50 | if (list[i].type == val) \ |
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51 | return list[i].name; \ |
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52 | } \ |
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53 | return "(unknown)"; \ |
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54 | } |
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55 | |||
56 | /* |
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57 | * Global properties |
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58 | */ |
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59 | static struct drm_prop_enum_list drm_dpms_enum_list[] = |
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60 | { { DRM_MODE_DPMS_ON, "On" }, |
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61 | { DRM_MODE_DPMS_STANDBY, "Standby" }, |
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62 | { DRM_MODE_DPMS_SUSPEND, "Suspend" }, |
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63 | { DRM_MODE_DPMS_OFF, "Off" } |
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64 | }; |
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65 | |||
66 | DRM_ENUM_NAME_FN(drm_get_dpms_name, drm_dpms_enum_list) |
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67 | |||
68 | /* |
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69 | * Optional properties |
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70 | */ |
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71 | static struct drm_prop_enum_list drm_scaling_mode_enum_list[] = |
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72 | { |
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1179 | serge | 73 | { DRM_MODE_SCALE_NONE, "None" }, |
74 | { DRM_MODE_SCALE_FULLSCREEN, "Full" }, |
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75 | { DRM_MODE_SCALE_CENTER, "Center" }, |
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76 | { DRM_MODE_SCALE_ASPECT, "Full aspect" }, |
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1123 | serge | 77 | }; |
78 | |||
79 | static struct drm_prop_enum_list drm_dithering_mode_enum_list[] = |
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80 | { |
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81 | { DRM_MODE_DITHERING_OFF, "Off" }, |
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82 | { DRM_MODE_DITHERING_ON, "On" }, |
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1963 | serge | 83 | { DRM_MODE_DITHERING_AUTO, "Automatic" }, |
1123 | serge | 84 | }; |
85 | |||
86 | /* |
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87 | * Non-global properties, but "required" for certain connectors. |
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88 | */ |
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89 | static struct drm_prop_enum_list drm_dvi_i_select_enum_list[] = |
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90 | { |
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91 | { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ |
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92 | { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ |
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93 | { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ |
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94 | }; |
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95 | |||
96 | DRM_ENUM_NAME_FN(drm_get_dvi_i_select_name, drm_dvi_i_select_enum_list) |
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97 | |||
98 | static struct drm_prop_enum_list drm_dvi_i_subconnector_enum_list[] = |
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99 | { |
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100 | { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ |
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101 | { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ |
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102 | { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ |
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103 | }; |
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104 | |||
105 | DRM_ENUM_NAME_FN(drm_get_dvi_i_subconnector_name, |
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106 | drm_dvi_i_subconnector_enum_list) |
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107 | |||
108 | static struct drm_prop_enum_list drm_tv_select_enum_list[] = |
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109 | { |
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110 | { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ |
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111 | { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ |
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112 | { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ |
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113 | { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ |
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1179 | serge | 114 | { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */ |
1123 | serge | 115 | }; |
116 | |||
117 | DRM_ENUM_NAME_FN(drm_get_tv_select_name, drm_tv_select_enum_list) |
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118 | |||
119 | static struct drm_prop_enum_list drm_tv_subconnector_enum_list[] = |
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120 | { |
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121 | { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ |
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122 | { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ |
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123 | { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ |
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124 | { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ |
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1179 | serge | 125 | { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */ |
1123 | serge | 126 | }; |
127 | |||
128 | DRM_ENUM_NAME_FN(drm_get_tv_subconnector_name, |
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129 | drm_tv_subconnector_enum_list) |
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130 | |||
1321 | serge | 131 | static struct drm_prop_enum_list drm_dirty_info_enum_list[] = { |
132 | { DRM_MODE_DIRTY_OFF, "Off" }, |
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133 | { DRM_MODE_DIRTY_ON, "On" }, |
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134 | { DRM_MODE_DIRTY_ANNOTATE, "Annotate" }, |
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135 | }; |
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136 | |||
137 | DRM_ENUM_NAME_FN(drm_get_dirty_info_name, |
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138 | drm_dirty_info_enum_list) |
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139 | |||
1123 | serge | 140 | struct drm_conn_prop_enum_list { |
141 | int type; |
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142 | char *name; |
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143 | int count; |
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144 | }; |
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145 | |||
146 | /* |
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147 | * Connector and encoder types. |
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148 | */ |
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149 | static struct drm_conn_prop_enum_list drm_connector_enum_list[] = |
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150 | { { DRM_MODE_CONNECTOR_Unknown, "Unknown", 0 }, |
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151 | { DRM_MODE_CONNECTOR_VGA, "VGA", 0 }, |
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152 | { DRM_MODE_CONNECTOR_DVII, "DVI-I", 0 }, |
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153 | { DRM_MODE_CONNECTOR_DVID, "DVI-D", 0 }, |
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154 | { DRM_MODE_CONNECTOR_DVIA, "DVI-A", 0 }, |
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155 | { DRM_MODE_CONNECTOR_Composite, "Composite", 0 }, |
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156 | { DRM_MODE_CONNECTOR_SVIDEO, "SVIDEO", 0 }, |
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157 | { DRM_MODE_CONNECTOR_LVDS, "LVDS", 0 }, |
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158 | { DRM_MODE_CONNECTOR_Component, "Component", 0 }, |
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1963 | serge | 159 | { DRM_MODE_CONNECTOR_9PinDIN, "DIN", 0 }, |
160 | { DRM_MODE_CONNECTOR_DisplayPort, "DP", 0 }, |
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161 | { DRM_MODE_CONNECTOR_HDMIA, "HDMI-A", 0 }, |
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162 | { DRM_MODE_CONNECTOR_HDMIB, "HDMI-B", 0 }, |
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1179 | serge | 163 | { DRM_MODE_CONNECTOR_TV, "TV", 0 }, |
1963 | serge | 164 | { DRM_MODE_CONNECTOR_eDP, "eDP", 0 }, |
1123 | serge | 165 | }; |
166 | |||
167 | static struct drm_prop_enum_list drm_encoder_enum_list[] = |
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168 | { { DRM_MODE_ENCODER_NONE, "None" }, |
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169 | { DRM_MODE_ENCODER_DAC, "DAC" }, |
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170 | { DRM_MODE_ENCODER_TMDS, "TMDS" }, |
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171 | { DRM_MODE_ENCODER_LVDS, "LVDS" }, |
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172 | { DRM_MODE_ENCODER_TVDAC, "TV" }, |
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173 | }; |
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174 | |||
175 | char *drm_get_encoder_name(struct drm_encoder *encoder) |
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176 | { |
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177 | static char buf[32]; |
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178 | |||
179 | snprintf(buf, 32, "%s-%d", |
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180 | drm_encoder_enum_list[encoder->encoder_type].name, |
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181 | encoder->base.id); |
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182 | return buf; |
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183 | } |
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1179 | serge | 184 | EXPORT_SYMBOL(drm_get_encoder_name); |
1123 | serge | 185 | |
186 | char *drm_get_connector_name(struct drm_connector *connector) |
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187 | { |
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188 | static char buf[32]; |
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189 | |||
190 | snprintf(buf, 32, "%s-%d", |
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191 | drm_connector_enum_list[connector->connector_type].name, |
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192 | connector->connector_type_id); |
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193 | return buf; |
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194 | } |
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195 | EXPORT_SYMBOL(drm_get_connector_name); |
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196 | |||
197 | char *drm_get_connector_status_name(enum drm_connector_status status) |
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198 | { |
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199 | if (status == connector_status_connected) |
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200 | return "connected"; |
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201 | else if (status == connector_status_disconnected) |
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202 | return "disconnected"; |
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203 | else |
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204 | return "unknown"; |
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205 | } |
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206 | |||
207 | /** |
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208 | * drm_mode_object_get - allocate a new identifier |
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209 | * @dev: DRM device |
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210 | * @ptr: object pointer, used to generate unique ID |
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211 | * @type: object type |
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212 | * |
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213 | * LOCKING: |
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214 | * |
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215 | * Create a unique identifier based on @ptr in @dev's identifier space. Used |
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216 | * for tracking modes, CRTCs and connectors. |
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217 | * |
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218 | * RETURNS: |
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219 | * New unique (relative to other objects in @dev) integer identifier for the |
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220 | * object. |
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221 | */ |
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222 | static int drm_mode_object_get(struct drm_device *dev, |
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223 | struct drm_mode_object *obj, uint32_t obj_type) |
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224 | { |
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225 | int new_id = 0; |
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226 | int ret; |
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227 | |||
228 | again: |
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229 | if (idr_pre_get(&dev->mode_config.crtc_idr, GFP_KERNEL) == 0) { |
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230 | DRM_ERROR("Ran out memory getting a mode number\n"); |
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231 | return -EINVAL; |
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232 | } |
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233 | |||
1179 | serge | 234 | mutex_lock(&dev->mode_config.idr_mutex); |
1123 | serge | 235 | ret = idr_get_new_above(&dev->mode_config.crtc_idr, obj, 1, &new_id); |
1179 | serge | 236 | mutex_unlock(&dev->mode_config.idr_mutex); |
1123 | serge | 237 | if (ret == -EAGAIN) |
1179 | serge | 238 | goto again; |
1123 | serge | 239 | |
240 | obj->id = new_id; |
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241 | obj->type = obj_type; |
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1179 | serge | 242 | return 0; |
1123 | serge | 243 | } |
244 | |||
245 | /** |
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246 | * drm_mode_object_put - free an identifer |
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247 | * @dev: DRM device |
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248 | * @id: ID to free |
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249 | * |
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250 | * LOCKING: |
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251 | * Caller must hold DRM mode_config lock. |
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252 | * |
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253 | * Free @id from @dev's unique identifier pool. |
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254 | */ |
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255 | static void drm_mode_object_put(struct drm_device *dev, |
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256 | struct drm_mode_object *object) |
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257 | { |
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1179 | serge | 258 | mutex_lock(&dev->mode_config.idr_mutex); |
1123 | serge | 259 | idr_remove(&dev->mode_config.crtc_idr, object->id); |
1179 | serge | 260 | mutex_unlock(&dev->mode_config.idr_mutex); |
1123 | serge | 261 | } |
262 | |||
1321 | serge | 263 | struct drm_mode_object *drm_mode_object_find(struct drm_device *dev, |
264 | uint32_t id, uint32_t type) |
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1123 | serge | 265 | { |
266 | struct drm_mode_object *obj = NULL; |
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267 | |||
1179 | serge | 268 | mutex_lock(&dev->mode_config.idr_mutex); |
1123 | serge | 269 | obj = idr_find(&dev->mode_config.crtc_idr, id); |
270 | if (!obj || (obj->type != type) || (obj->id != id)) |
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271 | obj = NULL; |
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1179 | serge | 272 | mutex_unlock(&dev->mode_config.idr_mutex); |
1123 | serge | 273 | |
274 | return obj; |
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275 | } |
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276 | EXPORT_SYMBOL(drm_mode_object_find); |
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277 | |||
278 | /** |
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279 | * drm_framebuffer_init - initialize a framebuffer |
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280 | * @dev: DRM device |
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281 | * |
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282 | * LOCKING: |
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283 | * Caller must hold mode config lock. |
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284 | * |
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285 | * Allocates an ID for the framebuffer's parent mode object, sets its mode |
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286 | * functions & device file and adds it to the master fd list. |
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287 | * |
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288 | * RETURNS: |
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1321 | serge | 289 | * Zero on success, error code on failure. |
1123 | serge | 290 | */ |
291 | int drm_framebuffer_init(struct drm_device *dev, struct drm_framebuffer *fb, |
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292 | const struct drm_framebuffer_funcs *funcs) |
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293 | { |
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294 | int ret; |
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1963 | serge | 295 | |
1123 | serge | 296 | ret = drm_mode_object_get(dev, &fb->base, DRM_MODE_OBJECT_FB); |
297 | if (ret) { |
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298 | return ret; |
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299 | } |
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300 | |||
301 | fb->dev = dev; |
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302 | fb->funcs = funcs; |
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303 | dev->mode_config.num_fb++; |
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304 | list_add(&fb->head, &dev->mode_config.fb_list); |
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305 | |||
306 | return 0; |
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307 | } |
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308 | EXPORT_SYMBOL(drm_framebuffer_init); |
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309 | |||
310 | /** |
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311 | * drm_framebuffer_cleanup - remove a framebuffer object |
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312 | * @fb: framebuffer to remove |
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313 | * |
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314 | * LOCKING: |
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315 | * Caller must hold mode config lock. |
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316 | * |
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317 | * Scans all the CRTCs in @dev's mode_config. If they're using @fb, removes |
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318 | * it, setting it to NULL. |
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319 | */ |
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320 | void drm_framebuffer_cleanup(struct drm_framebuffer *fb) |
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321 | { |
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322 | struct drm_device *dev = fb->dev; |
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323 | struct drm_crtc *crtc; |
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1179 | serge | 324 | struct drm_mode_set set; |
325 | int ret; |
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1123 | serge | 326 | |
327 | /* remove from any CRTC */ |
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328 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { |
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1179 | serge | 329 | if (crtc->fb == fb) { |
330 | /* should turn off the crtc */ |
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331 | memset(&set, 0, sizeof(struct drm_mode_set)); |
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332 | set.crtc = crtc; |
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333 | set.fb = NULL; |
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334 | ret = crtc->funcs->set_config(&set); |
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335 | if (ret) |
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336 | DRM_ERROR("failed to reset crtc %p when fb was deleted\n", crtc); |
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337 | } |
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1123 | serge | 338 | } |
339 | |||
340 | drm_mode_object_put(dev, &fb->base); |
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341 | list_del(&fb->head); |
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342 | dev->mode_config.num_fb--; |
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343 | } |
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344 | EXPORT_SYMBOL(drm_framebuffer_cleanup); |
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345 | |||
346 | /** |
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347 | * drm_crtc_init - Initialise a new CRTC object |
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348 | * @dev: DRM device |
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349 | * @crtc: CRTC object to init |
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350 | * @funcs: callbacks for the new CRTC |
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351 | * |
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352 | * LOCKING: |
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353 | * Caller must hold mode config lock. |
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354 | * |
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355 | * Inits a new object created as base part of an driver crtc object. |
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356 | */ |
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357 | void drm_crtc_init(struct drm_device *dev, struct drm_crtc *crtc, |
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358 | const struct drm_crtc_funcs *funcs) |
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359 | { |
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360 | crtc->dev = dev; |
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361 | crtc->funcs = funcs; |
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362 | |||
1179 | serge | 363 | mutex_lock(&dev->mode_config.mutex); |
1123 | serge | 364 | drm_mode_object_get(dev, &crtc->base, DRM_MODE_OBJECT_CRTC); |
365 | |||
366 | list_add_tail(&crtc->head, &dev->mode_config.crtc_list); |
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367 | dev->mode_config.num_crtc++; |
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1179 | serge | 368 | mutex_unlock(&dev->mode_config.mutex); |
1123 | serge | 369 | } |
370 | EXPORT_SYMBOL(drm_crtc_init); |
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371 | |||
372 | /** |
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373 | * drm_crtc_cleanup - Cleans up the core crtc usage. |
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374 | * @crtc: CRTC to cleanup |
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375 | * |
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376 | * LOCKING: |
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377 | * Caller must hold mode config lock. |
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378 | * |
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379 | * Cleanup @crtc. Removes from drm modesetting space |
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380 | * does NOT free object, caller does that. |
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381 | */ |
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382 | void drm_crtc_cleanup(struct drm_crtc *crtc) |
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383 | { |
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384 | struct drm_device *dev = crtc->dev; |
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385 | |||
386 | if (crtc->gamma_store) { |
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387 | kfree(crtc->gamma_store); |
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388 | crtc->gamma_store = NULL; |
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389 | } |
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390 | |||
391 | drm_mode_object_put(dev, &crtc->base); |
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392 | list_del(&crtc->head); |
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393 | dev->mode_config.num_crtc--; |
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394 | } |
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395 | EXPORT_SYMBOL(drm_crtc_cleanup); |
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396 | |||
397 | /** |
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398 | * drm_mode_probed_add - add a mode to a connector's probed mode list |
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399 | * @connector: connector the new mode |
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400 | * @mode: mode data |
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401 | * |
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402 | * LOCKING: |
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403 | * Caller must hold mode config lock. |
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404 | * |
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405 | * Add @mode to @connector's mode list for later use. |
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406 | */ |
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407 | void drm_mode_probed_add(struct drm_connector *connector, |
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408 | struct drm_display_mode *mode) |
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409 | { |
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410 | list_add(&mode->head, &connector->probed_modes); |
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411 | } |
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412 | EXPORT_SYMBOL(drm_mode_probed_add); |
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413 | |||
414 | /** |
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415 | * drm_mode_remove - remove and free a mode |
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416 | * @connector: connector list to modify |
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417 | * @mode: mode to remove |
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418 | * |
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419 | * LOCKING: |
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420 | * Caller must hold mode config lock. |
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421 | * |
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422 | * Remove @mode from @connector's mode list, then free it. |
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423 | */ |
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424 | void drm_mode_remove(struct drm_connector *connector, |
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425 | struct drm_display_mode *mode) |
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426 | { |
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427 | list_del(&mode->head); |
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428 | kfree(mode); |
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429 | } |
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430 | EXPORT_SYMBOL(drm_mode_remove); |
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431 | |||
432 | /** |
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433 | * drm_connector_init - Init a preallocated connector |
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434 | * @dev: DRM device |
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435 | * @connector: the connector to init |
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436 | * @funcs: callbacks for this connector |
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437 | * @name: user visible name of the connector |
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438 | * |
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439 | * LOCKING: |
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440 | * Caller must hold @dev's mode_config lock. |
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441 | * |
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442 | * Initialises a preallocated connector. Connectors should be |
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443 | * subclassed as part of driver connector objects. |
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444 | */ |
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445 | void drm_connector_init(struct drm_device *dev, |
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446 | struct drm_connector *connector, |
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447 | const struct drm_connector_funcs *funcs, |
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448 | int connector_type) |
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449 | { |
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1179 | serge | 450 | mutex_lock(&dev->mode_config.mutex); |
1123 | serge | 451 | |
452 | connector->dev = dev; |
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453 | connector->funcs = funcs; |
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454 | drm_mode_object_get(dev, &connector->base, DRM_MODE_OBJECT_CONNECTOR); |
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455 | connector->connector_type = connector_type; |
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456 | connector->connector_type_id = |
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457 | ++drm_connector_enum_list[connector_type].count; /* TODO */ |
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458 | INIT_LIST_HEAD(&connector->user_modes); |
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459 | INIT_LIST_HEAD(&connector->probed_modes); |
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460 | INIT_LIST_HEAD(&connector->modes); |
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461 | connector->edid_blob_ptr = NULL; |
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462 | |||
463 | list_add_tail(&connector->head, &dev->mode_config.connector_list); |
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464 | dev->mode_config.num_connector++; |
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465 | |||
466 | drm_connector_attach_property(connector, |
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467 | dev->mode_config.edid_property, 0); |
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468 | |||
469 | drm_connector_attach_property(connector, |
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470 | dev->mode_config.dpms_property, 0); |
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471 | |||
1179 | serge | 472 | mutex_unlock(&dev->mode_config.mutex); |
1123 | serge | 473 | } |
474 | EXPORT_SYMBOL(drm_connector_init); |
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475 | |||
476 | /** |
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477 | * drm_connector_cleanup - cleans up an initialised connector |
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478 | * @connector: connector to cleanup |
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479 | * |
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480 | * LOCKING: |
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481 | * Caller must hold @dev's mode_config lock. |
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482 | * |
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483 | * Cleans up the connector but doesn't free the object. |
||
484 | */ |
||
485 | void drm_connector_cleanup(struct drm_connector *connector) |
||
486 | { |
||
487 | struct drm_device *dev = connector->dev; |
||
488 | struct drm_display_mode *mode, *t; |
||
489 | |||
490 | list_for_each_entry_safe(mode, t, &connector->probed_modes, head) |
||
491 | drm_mode_remove(connector, mode); |
||
492 | |||
493 | list_for_each_entry_safe(mode, t, &connector->modes, head) |
||
494 | drm_mode_remove(connector, mode); |
||
495 | |||
496 | list_for_each_entry_safe(mode, t, &connector->user_modes, head) |
||
497 | drm_mode_remove(connector, mode); |
||
498 | |||
1179 | serge | 499 | mutex_lock(&dev->mode_config.mutex); |
1123 | serge | 500 | drm_mode_object_put(dev, &connector->base); |
501 | list_del(&connector->head); |
||
2160 | serge | 502 | dev->mode_config.num_connector--; |
1179 | serge | 503 | mutex_unlock(&dev->mode_config.mutex); |
1123 | serge | 504 | } |
505 | EXPORT_SYMBOL(drm_connector_cleanup); |
||
506 | |||
507 | void drm_encoder_init(struct drm_device *dev, |
||
508 | struct drm_encoder *encoder, |
||
509 | const struct drm_encoder_funcs *funcs, |
||
510 | int encoder_type) |
||
511 | { |
||
1179 | serge | 512 | mutex_lock(&dev->mode_config.mutex); |
1123 | serge | 513 | |
514 | encoder->dev = dev; |
||
515 | |||
516 | drm_mode_object_get(dev, &encoder->base, DRM_MODE_OBJECT_ENCODER); |
||
517 | encoder->encoder_type = encoder_type; |
||
518 | encoder->funcs = funcs; |
||
519 | |||
520 | list_add_tail(&encoder->head, &dev->mode_config.encoder_list); |
||
521 | dev->mode_config.num_encoder++; |
||
522 | |||
1179 | serge | 523 | mutex_unlock(&dev->mode_config.mutex); |
1123 | serge | 524 | } |
525 | EXPORT_SYMBOL(drm_encoder_init); |
||
526 | |||
527 | void drm_encoder_cleanup(struct drm_encoder *encoder) |
||
528 | { |
||
529 | struct drm_device *dev = encoder->dev; |
||
1179 | serge | 530 | mutex_lock(&dev->mode_config.mutex); |
1123 | serge | 531 | drm_mode_object_put(dev, &encoder->base); |
532 | list_del(&encoder->head); |
||
2160 | serge | 533 | dev->mode_config.num_encoder--; |
1179 | serge | 534 | mutex_unlock(&dev->mode_config.mutex); |
1123 | serge | 535 | } |
536 | EXPORT_SYMBOL(drm_encoder_cleanup); |
||
537 | |||
538 | /** |
||
539 | * drm_mode_create - create a new display mode |
||
540 | * @dev: DRM device |
||
541 | * |
||
542 | * LOCKING: |
||
543 | * Caller must hold DRM mode_config lock. |
||
544 | * |
||
545 | * Create a new drm_display_mode, give it an ID, and return it. |
||
546 | * |
||
547 | * RETURNS: |
||
548 | * Pointer to new mode on success, NULL on error. |
||
549 | */ |
||
550 | struct drm_display_mode *drm_mode_create(struct drm_device *dev) |
||
551 | { |
||
552 | struct drm_display_mode *nmode; |
||
553 | |||
554 | nmode = kzalloc(sizeof(struct drm_display_mode), GFP_KERNEL); |
||
555 | if (!nmode) |
||
556 | return NULL; |
||
557 | |||
558 | drm_mode_object_get(dev, &nmode->base, DRM_MODE_OBJECT_MODE); |
||
559 | return nmode; |
||
560 | } |
||
561 | EXPORT_SYMBOL(drm_mode_create); |
||
562 | |||
563 | /** |
||
564 | * drm_mode_destroy - remove a mode |
||
565 | * @dev: DRM device |
||
566 | * @mode: mode to remove |
||
567 | * |
||
568 | * LOCKING: |
||
569 | * Caller must hold mode config lock. |
||
570 | * |
||
571 | * Free @mode's unique identifier, then free it. |
||
572 | */ |
||
573 | void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode) |
||
574 | { |
||
575 | drm_mode_object_put(dev, &mode->base); |
||
576 | |||
577 | kfree(mode); |
||
578 | } |
||
579 | EXPORT_SYMBOL(drm_mode_destroy); |
||
580 | |||
581 | static int drm_mode_create_standard_connector_properties(struct drm_device *dev) |
||
582 | { |
||
583 | struct drm_property *edid; |
||
584 | struct drm_property *dpms; |
||
585 | int i; |
||
586 | |||
587 | /* |
||
588 | * Standard properties (apply to all connectors) |
||
589 | */ |
||
590 | edid = drm_property_create(dev, DRM_MODE_PROP_BLOB | |
||
591 | DRM_MODE_PROP_IMMUTABLE, |
||
592 | "EDID", 0); |
||
593 | dev->mode_config.edid_property = edid; |
||
594 | |||
595 | dpms = drm_property_create(dev, DRM_MODE_PROP_ENUM, |
||
596 | "DPMS", ARRAY_SIZE(drm_dpms_enum_list)); |
||
597 | for (i = 0; i < ARRAY_SIZE(drm_dpms_enum_list); i++) |
||
598 | drm_property_add_enum(dpms, i, drm_dpms_enum_list[i].type, |
||
599 | drm_dpms_enum_list[i].name); |
||
600 | dev->mode_config.dpms_property = dpms; |
||
601 | |||
602 | return 0; |
||
603 | } |
||
604 | |||
605 | /** |
||
606 | * drm_mode_create_dvi_i_properties - create DVI-I specific connector properties |
||
607 | * @dev: DRM device |
||
608 | * |
||
609 | * Called by a driver the first time a DVI-I connector is made. |
||
610 | */ |
||
611 | int drm_mode_create_dvi_i_properties(struct drm_device *dev) |
||
612 | { |
||
613 | struct drm_property *dvi_i_selector; |
||
614 | struct drm_property *dvi_i_subconnector; |
||
615 | int i; |
||
616 | |||
617 | if (dev->mode_config.dvi_i_select_subconnector_property) |
||
618 | return 0; |
||
619 | |||
620 | dvi_i_selector = |
||
621 | drm_property_create(dev, DRM_MODE_PROP_ENUM, |
||
622 | "select subconnector", |
||
623 | ARRAY_SIZE(drm_dvi_i_select_enum_list)); |
||
624 | for (i = 0; i < ARRAY_SIZE(drm_dvi_i_select_enum_list); i++) |
||
625 | drm_property_add_enum(dvi_i_selector, i, |
||
626 | drm_dvi_i_select_enum_list[i].type, |
||
627 | drm_dvi_i_select_enum_list[i].name); |
||
628 | dev->mode_config.dvi_i_select_subconnector_property = dvi_i_selector; |
||
629 | |||
630 | dvi_i_subconnector = |
||
631 | drm_property_create(dev, DRM_MODE_PROP_ENUM | |
||
632 | DRM_MODE_PROP_IMMUTABLE, |
||
633 | "subconnector", |
||
634 | ARRAY_SIZE(drm_dvi_i_subconnector_enum_list)); |
||
635 | for (i = 0; i < ARRAY_SIZE(drm_dvi_i_subconnector_enum_list); i++) |
||
636 | drm_property_add_enum(dvi_i_subconnector, i, |
||
637 | drm_dvi_i_subconnector_enum_list[i].type, |
||
638 | drm_dvi_i_subconnector_enum_list[i].name); |
||
639 | dev->mode_config.dvi_i_subconnector_property = dvi_i_subconnector; |
||
640 | |||
641 | return 0; |
||
642 | } |
||
643 | EXPORT_SYMBOL(drm_mode_create_dvi_i_properties); |
||
644 | |||
645 | /** |
||
646 | * drm_create_tv_properties - create TV specific connector properties |
||
647 | * @dev: DRM device |
||
648 | * @num_modes: number of different TV formats (modes) supported |
||
649 | * @modes: array of pointers to strings containing name of each format |
||
650 | * |
||
651 | * Called by a driver's TV initialization routine, this function creates |
||
652 | * the TV specific connector properties for a given device. Caller is |
||
653 | * responsible for allocating a list of format names and passing them to |
||
654 | * this routine. |
||
655 | */ |
||
656 | int drm_mode_create_tv_properties(struct drm_device *dev, int num_modes, |
||
657 | char *modes[]) |
||
658 | { |
||
659 | struct drm_property *tv_selector; |
||
660 | struct drm_property *tv_subconnector; |
||
661 | int i; |
||
662 | |||
663 | if (dev->mode_config.tv_select_subconnector_property) |
||
664 | return 0; |
||
665 | |||
666 | /* |
||
667 | * Basic connector properties |
||
668 | */ |
||
669 | tv_selector = drm_property_create(dev, DRM_MODE_PROP_ENUM, |
||
670 | "select subconnector", |
||
671 | ARRAY_SIZE(drm_tv_select_enum_list)); |
||
672 | for (i = 0; i < ARRAY_SIZE(drm_tv_select_enum_list); i++) |
||
673 | drm_property_add_enum(tv_selector, i, |
||
674 | drm_tv_select_enum_list[i].type, |
||
675 | drm_tv_select_enum_list[i].name); |
||
676 | dev->mode_config.tv_select_subconnector_property = tv_selector; |
||
677 | |||
678 | tv_subconnector = |
||
679 | drm_property_create(dev, DRM_MODE_PROP_ENUM | |
||
680 | DRM_MODE_PROP_IMMUTABLE, "subconnector", |
||
681 | ARRAY_SIZE(drm_tv_subconnector_enum_list)); |
||
682 | for (i = 0; i < ARRAY_SIZE(drm_tv_subconnector_enum_list); i++) |
||
683 | drm_property_add_enum(tv_subconnector, i, |
||
684 | drm_tv_subconnector_enum_list[i].type, |
||
685 | drm_tv_subconnector_enum_list[i].name); |
||
686 | dev->mode_config.tv_subconnector_property = tv_subconnector; |
||
687 | |||
688 | /* |
||
689 | * Other, TV specific properties: margins & TV modes. |
||
690 | */ |
||
691 | dev->mode_config.tv_left_margin_property = |
||
692 | drm_property_create(dev, DRM_MODE_PROP_RANGE, |
||
693 | "left margin", 2); |
||
694 | dev->mode_config.tv_left_margin_property->values[0] = 0; |
||
695 | dev->mode_config.tv_left_margin_property->values[1] = 100; |
||
696 | |||
697 | dev->mode_config.tv_right_margin_property = |
||
698 | drm_property_create(dev, DRM_MODE_PROP_RANGE, |
||
699 | "right margin", 2); |
||
700 | dev->mode_config.tv_right_margin_property->values[0] = 0; |
||
701 | dev->mode_config.tv_right_margin_property->values[1] = 100; |
||
702 | |||
703 | dev->mode_config.tv_top_margin_property = |
||
704 | drm_property_create(dev, DRM_MODE_PROP_RANGE, |
||
705 | "top margin", 2); |
||
706 | dev->mode_config.tv_top_margin_property->values[0] = 0; |
||
707 | dev->mode_config.tv_top_margin_property->values[1] = 100; |
||
708 | |||
709 | dev->mode_config.tv_bottom_margin_property = |
||
710 | drm_property_create(dev, DRM_MODE_PROP_RANGE, |
||
711 | "bottom margin", 2); |
||
712 | dev->mode_config.tv_bottom_margin_property->values[0] = 0; |
||
713 | dev->mode_config.tv_bottom_margin_property->values[1] = 100; |
||
714 | |||
715 | dev->mode_config.tv_mode_property = |
||
716 | drm_property_create(dev, DRM_MODE_PROP_ENUM, |
||
717 | "mode", num_modes); |
||
718 | for (i = 0; i < num_modes; i++) |
||
719 | drm_property_add_enum(dev->mode_config.tv_mode_property, i, |
||
720 | i, modes[i]); |
||
721 | |||
1179 | serge | 722 | dev->mode_config.tv_brightness_property = |
723 | drm_property_create(dev, DRM_MODE_PROP_RANGE, |
||
724 | "brightness", 2); |
||
725 | dev->mode_config.tv_brightness_property->values[0] = 0; |
||
726 | dev->mode_config.tv_brightness_property->values[1] = 100; |
||
727 | |||
728 | dev->mode_config.tv_contrast_property = |
||
729 | drm_property_create(dev, DRM_MODE_PROP_RANGE, |
||
730 | "contrast", 2); |
||
731 | dev->mode_config.tv_contrast_property->values[0] = 0; |
||
732 | dev->mode_config.tv_contrast_property->values[1] = 100; |
||
733 | |||
734 | dev->mode_config.tv_flicker_reduction_property = |
||
735 | drm_property_create(dev, DRM_MODE_PROP_RANGE, |
||
736 | "flicker reduction", 2); |
||
737 | dev->mode_config.tv_flicker_reduction_property->values[0] = 0; |
||
738 | dev->mode_config.tv_flicker_reduction_property->values[1] = 100; |
||
739 | |||
740 | dev->mode_config.tv_overscan_property = |
||
741 | drm_property_create(dev, DRM_MODE_PROP_RANGE, |
||
742 | "overscan", 2); |
||
743 | dev->mode_config.tv_overscan_property->values[0] = 0; |
||
744 | dev->mode_config.tv_overscan_property->values[1] = 100; |
||
745 | |||
746 | dev->mode_config.tv_saturation_property = |
||
747 | drm_property_create(dev, DRM_MODE_PROP_RANGE, |
||
748 | "saturation", 2); |
||
749 | dev->mode_config.tv_saturation_property->values[0] = 0; |
||
750 | dev->mode_config.tv_saturation_property->values[1] = 100; |
||
751 | |||
752 | dev->mode_config.tv_hue_property = |
||
753 | drm_property_create(dev, DRM_MODE_PROP_RANGE, |
||
754 | "hue", 2); |
||
755 | dev->mode_config.tv_hue_property->values[0] = 0; |
||
756 | dev->mode_config.tv_hue_property->values[1] = 100; |
||
757 | |||
1123 | serge | 758 | return 0; |
759 | } |
||
760 | EXPORT_SYMBOL(drm_mode_create_tv_properties); |
||
761 | |||
762 | /** |
||
763 | * drm_mode_create_scaling_mode_property - create scaling mode property |
||
764 | * @dev: DRM device |
||
765 | * |
||
766 | * Called by a driver the first time it's needed, must be attached to desired |
||
767 | * connectors. |
||
768 | */ |
||
769 | int drm_mode_create_scaling_mode_property(struct drm_device *dev) |
||
770 | { |
||
771 | struct drm_property *scaling_mode; |
||
772 | int i; |
||
773 | |||
774 | if (dev->mode_config.scaling_mode_property) |
||
775 | return 0; |
||
776 | |||
777 | scaling_mode = |
||
778 | drm_property_create(dev, DRM_MODE_PROP_ENUM, "scaling mode", |
||
779 | ARRAY_SIZE(drm_scaling_mode_enum_list)); |
||
780 | for (i = 0; i < ARRAY_SIZE(drm_scaling_mode_enum_list); i++) |
||
781 | drm_property_add_enum(scaling_mode, i, |
||
782 | drm_scaling_mode_enum_list[i].type, |
||
783 | drm_scaling_mode_enum_list[i].name); |
||
784 | |||
785 | dev->mode_config.scaling_mode_property = scaling_mode; |
||
786 | |||
787 | return 0; |
||
788 | } |
||
789 | EXPORT_SYMBOL(drm_mode_create_scaling_mode_property); |
||
790 | |||
791 | /** |
||
792 | * drm_mode_create_dithering_property - create dithering property |
||
793 | * @dev: DRM device |
||
794 | * |
||
795 | * Called by a driver the first time it's needed, must be attached to desired |
||
796 | * connectors. |
||
797 | */ |
||
798 | int drm_mode_create_dithering_property(struct drm_device *dev) |
||
799 | { |
||
800 | struct drm_property *dithering_mode; |
||
801 | int i; |
||
802 | |||
803 | if (dev->mode_config.dithering_mode_property) |
||
804 | return 0; |
||
805 | |||
806 | dithering_mode = |
||
807 | drm_property_create(dev, DRM_MODE_PROP_ENUM, "dithering", |
||
808 | ARRAY_SIZE(drm_dithering_mode_enum_list)); |
||
809 | for (i = 0; i < ARRAY_SIZE(drm_dithering_mode_enum_list); i++) |
||
810 | drm_property_add_enum(dithering_mode, i, |
||
811 | drm_dithering_mode_enum_list[i].type, |
||
812 | drm_dithering_mode_enum_list[i].name); |
||
813 | dev->mode_config.dithering_mode_property = dithering_mode; |
||
814 | |||
815 | return 0; |
||
816 | } |
||
817 | EXPORT_SYMBOL(drm_mode_create_dithering_property); |
||
818 | |||
819 | /** |
||
1321 | serge | 820 | * drm_mode_create_dirty_property - create dirty property |
821 | * @dev: DRM device |
||
822 | * |
||
823 | * Called by a driver the first time it's needed, must be attached to desired |
||
824 | * connectors. |
||
825 | */ |
||
826 | int drm_mode_create_dirty_info_property(struct drm_device *dev) |
||
827 | { |
||
828 | struct drm_property *dirty_info; |
||
829 | int i; |
||
830 | |||
831 | if (dev->mode_config.dirty_info_property) |
||
832 | return 0; |
||
833 | |||
834 | dirty_info = |
||
835 | drm_property_create(dev, DRM_MODE_PROP_ENUM | |
||
836 | DRM_MODE_PROP_IMMUTABLE, |
||
837 | "dirty", |
||
838 | ARRAY_SIZE(drm_dirty_info_enum_list)); |
||
839 | for (i = 0; i < ARRAY_SIZE(drm_dirty_info_enum_list); i++) |
||
840 | drm_property_add_enum(dirty_info, i, |
||
841 | drm_dirty_info_enum_list[i].type, |
||
842 | drm_dirty_info_enum_list[i].name); |
||
843 | dev->mode_config.dirty_info_property = dirty_info; |
||
844 | |||
845 | return 0; |
||
846 | } |
||
847 | EXPORT_SYMBOL(drm_mode_create_dirty_info_property); |
||
848 | |||
849 | /** |
||
1123 | serge | 850 | * drm_mode_config_init - initialize DRM mode_configuration structure |
851 | * @dev: DRM device |
||
852 | * |
||
853 | * LOCKING: |
||
854 | * None, should happen single threaded at init time. |
||
855 | * |
||
856 | * Initialize @dev's mode_config structure, used for tracking the graphics |
||
857 | * configuration of @dev. |
||
858 | */ |
||
859 | void drm_mode_config_init(struct drm_device *dev) |
||
860 | { |
||
1630 | serge | 861 | mutex_init(&dev->mode_config.mutex); |
862 | mutex_init(&dev->mode_config.idr_mutex); |
||
1123 | serge | 863 | INIT_LIST_HEAD(&dev->mode_config.fb_list); |
864 | INIT_LIST_HEAD(&dev->mode_config.crtc_list); |
||
865 | INIT_LIST_HEAD(&dev->mode_config.connector_list); |
||
866 | INIT_LIST_HEAD(&dev->mode_config.encoder_list); |
||
867 | INIT_LIST_HEAD(&dev->mode_config.property_list); |
||
868 | INIT_LIST_HEAD(&dev->mode_config.property_blob_list); |
||
869 | idr_init(&dev->mode_config.crtc_idr); |
||
870 | |||
1179 | serge | 871 | mutex_lock(&dev->mode_config.mutex); |
1123 | serge | 872 | drm_mode_create_standard_connector_properties(dev); |
1179 | serge | 873 | mutex_unlock(&dev->mode_config.mutex); |
1123 | serge | 874 | |
875 | /* Just to be sure */ |
||
876 | dev->mode_config.num_fb = 0; |
||
877 | dev->mode_config.num_connector = 0; |
||
878 | dev->mode_config.num_crtc = 0; |
||
879 | dev->mode_config.num_encoder = 0; |
||
880 | } |
||
881 | EXPORT_SYMBOL(drm_mode_config_init); |
||
882 | |||
883 | int drm_mode_group_init(struct drm_device *dev, struct drm_mode_group *group) |
||
884 | { |
||
885 | uint32_t total_objects = 0; |
||
886 | |||
887 | total_objects += dev->mode_config.num_crtc; |
||
888 | total_objects += dev->mode_config.num_connector; |
||
889 | total_objects += dev->mode_config.num_encoder; |
||
890 | |||
891 | group->id_list = kzalloc(total_objects * sizeof(uint32_t), GFP_KERNEL); |
||
892 | if (!group->id_list) |
||
893 | return -ENOMEM; |
||
894 | |||
895 | group->num_crtcs = 0; |
||
896 | group->num_connectors = 0; |
||
897 | group->num_encoders = 0; |
||
898 | return 0; |
||
899 | } |
||
900 | |||
901 | int drm_mode_group_init_legacy_group(struct drm_device *dev, |
||
902 | struct drm_mode_group *group) |
||
903 | { |
||
904 | struct drm_crtc *crtc; |
||
905 | struct drm_encoder *encoder; |
||
906 | struct drm_connector *connector; |
||
907 | int ret; |
||
908 | |||
909 | if ((ret = drm_mode_group_init(dev, group))) |
||
910 | return ret; |
||
911 | |||
912 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) |
||
913 | group->id_list[group->num_crtcs++] = crtc->base.id; |
||
914 | |||
915 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) |
||
916 | group->id_list[group->num_crtcs + group->num_encoders++] = |
||
917 | encoder->base.id; |
||
918 | |||
919 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) |
||
920 | group->id_list[group->num_crtcs + group->num_encoders + |
||
921 | group->num_connectors++] = connector->base.id; |
||
922 | |||
923 | return 0; |
||
924 | } |
||
925 | |||
926 | /** |
||
927 | * drm_mode_config_cleanup - free up DRM mode_config info |
||
928 | * @dev: DRM device |
||
929 | * |
||
930 | * LOCKING: |
||
931 | * Caller must hold mode config lock. |
||
932 | * |
||
933 | * Free up all the connectors and CRTCs associated with this DRM device, then |
||
934 | * free up the framebuffers and associated buffer objects. |
||
935 | * |
||
936 | * FIXME: cleanup any dangling user buffer objects too |
||
937 | */ |
||
938 | void drm_mode_config_cleanup(struct drm_device *dev) |
||
939 | { |
||
940 | struct drm_connector *connector, *ot; |
||
941 | struct drm_crtc *crtc, *ct; |
||
942 | struct drm_encoder *encoder, *enct; |
||
943 | struct drm_framebuffer *fb, *fbt; |
||
944 | struct drm_property *property, *pt; |
||
945 | |||
946 | list_for_each_entry_safe(encoder, enct, &dev->mode_config.encoder_list, |
||
947 | head) { |
||
948 | encoder->funcs->destroy(encoder); |
||
949 | } |
||
950 | |||
951 | list_for_each_entry_safe(connector, ot, |
||
952 | &dev->mode_config.connector_list, head) { |
||
953 | connector->funcs->destroy(connector); |
||
954 | } |
||
955 | |||
956 | list_for_each_entry_safe(property, pt, &dev->mode_config.property_list, |
||
957 | head) { |
||
958 | drm_property_destroy(dev, property); |
||
959 | } |
||
960 | |||
961 | list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) { |
||
962 | fb->funcs->destroy(fb); |
||
963 | } |
||
964 | |||
965 | list_for_each_entry_safe(crtc, ct, &dev->mode_config.crtc_list, head) { |
||
966 | crtc->funcs->destroy(crtc); |
||
967 | } |
||
968 | |||
969 | } |
||
970 | EXPORT_SYMBOL(drm_mode_config_cleanup); |
||
971 | |||
972 | /** |
||
973 | * drm_crtc_convert_to_umode - convert a drm_display_mode into a modeinfo |
||
974 | * @out: drm_mode_modeinfo struct to return to the user |
||
975 | * @in: drm_display_mode to use |
||
976 | * |
||
977 | * LOCKING: |
||
978 | * None. |
||
979 | * |
||
980 | * Convert a drm_display_mode into a drm_mode_modeinfo structure to return to |
||
981 | * the user. |
||
982 | */ |
||
983 | void drm_crtc_convert_to_umode(struct drm_mode_modeinfo *out, |
||
984 | struct drm_display_mode *in) |
||
985 | { |
||
986 | out->clock = in->clock; |
||
987 | out->hdisplay = in->hdisplay; |
||
988 | out->hsync_start = in->hsync_start; |
||
989 | out->hsync_end = in->hsync_end; |
||
990 | out->htotal = in->htotal; |
||
991 | out->hskew = in->hskew; |
||
992 | out->vdisplay = in->vdisplay; |
||
993 | out->vsync_start = in->vsync_start; |
||
994 | out->vsync_end = in->vsync_end; |
||
995 | out->vtotal = in->vtotal; |
||
996 | out->vscan = in->vscan; |
||
997 | out->vrefresh = in->vrefresh; |
||
998 | out->flags = in->flags; |
||
999 | out->type = in->type; |
||
1000 | strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); |
||
1001 | out->name[DRM_DISPLAY_MODE_LEN-1] = 0; |
||
1002 | } |
||
1003 | |||
1004 | /** |
||
1005 | * drm_crtc_convert_to_umode - convert a modeinfo into a drm_display_mode |
||
1006 | * @out: drm_display_mode to return to the user |
||
1007 | * @in: drm_mode_modeinfo to use |
||
1008 | * |
||
1009 | * LOCKING: |
||
1010 | * None. |
||
1011 | * |
||
1012 | * Convert a drm_mode_modeinfo into a drm_display_mode structure to return to |
||
1013 | * the caller. |
||
1014 | */ |
||
1015 | void drm_crtc_convert_umode(struct drm_display_mode *out, |
||
1016 | struct drm_mode_modeinfo *in) |
||
1017 | { |
||
1018 | out->clock = in->clock; |
||
1019 | out->hdisplay = in->hdisplay; |
||
1020 | out->hsync_start = in->hsync_start; |
||
1021 | out->hsync_end = in->hsync_end; |
||
1022 | out->htotal = in->htotal; |
||
1023 | out->hskew = in->hskew; |
||
1024 | out->vdisplay = in->vdisplay; |
||
1025 | out->vsync_start = in->vsync_start; |
||
1026 | out->vsync_end = in->vsync_end; |
||
1027 | out->vtotal = in->vtotal; |
||
1028 | out->vscan = in->vscan; |
||
1029 | out->vrefresh = in->vrefresh; |
||
1030 | out->flags = in->flags; |
||
1031 | out->type = in->type; |
||
1032 | strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); |
||
1033 | out->name[DRM_DISPLAY_MODE_LEN-1] = 0; |
||
1034 | } |
||
1035 | |||
1036 | |||
1037 | #if 0 |
||
1038 | /** |
||
1039 | * drm_mode_getresources - get graphics configuration |
||
1040 | * @inode: inode from the ioctl |
||
1041 | * @filp: file * from the ioctl |
||
1042 | * @cmd: cmd from ioctl |
||
1043 | * @arg: arg from ioctl |
||
1044 | * |
||
1045 | * LOCKING: |
||
1046 | * Takes mode config lock. |
||
1047 | * |
||
1048 | * Construct a set of configuration description structures and return |
||
1049 | * them to the user, including CRTC, connector and framebuffer configuration. |
||
1050 | * |
||
1051 | * Called by the user via ioctl. |
||
1052 | * |
||
1053 | * RETURNS: |
||
1054 | * Zero on success, errno on failure. |
||
1055 | */ |
||
1056 | int drm_mode_getresources(struct drm_device *dev, void *data, |
||
1057 | struct drm_file *file_priv) |
||
1058 | { |
||
1059 | struct drm_mode_card_res *card_res = data; |
||
1060 | struct list_head *lh; |
||
1061 | struct drm_framebuffer *fb; |
||
1062 | struct drm_connector *connector; |
||
1063 | struct drm_crtc *crtc; |
||
1064 | struct drm_encoder *encoder; |
||
1065 | int ret = 0; |
||
1066 | int connector_count = 0; |
||
1067 | int crtc_count = 0; |
||
1068 | int fb_count = 0; |
||
1069 | int encoder_count = 0; |
||
1070 | int copied = 0, i; |
||
1071 | uint32_t __user *fb_id; |
||
1072 | uint32_t __user *crtc_id; |
||
1073 | uint32_t __user *connector_id; |
||
1074 | uint32_t __user *encoder_id; |
||
1075 | struct drm_mode_group *mode_group; |
||
1076 | |||
1963 | serge | 1077 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1078 | return -EINVAL; |
||
1079 | |||
1123 | serge | 1080 | mutex_lock(&dev->mode_config.mutex); |
1081 | |||
1082 | /* |
||
1083 | * For the non-control nodes we need to limit the list of resources |
||
1084 | * by IDs in the group list for this node |
||
1085 | */ |
||
1086 | list_for_each(lh, &file_priv->fbs) |
||
1087 | fb_count++; |
||
1088 | |||
1089 | mode_group = &file_priv->master->minor->mode_group; |
||
1090 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { |
||
1091 | |||
1092 | list_for_each(lh, &dev->mode_config.crtc_list) |
||
1093 | crtc_count++; |
||
1094 | |||
1095 | list_for_each(lh, &dev->mode_config.connector_list) |
||
1096 | connector_count++; |
||
1097 | |||
1098 | list_for_each(lh, &dev->mode_config.encoder_list) |
||
1099 | encoder_count++; |
||
1100 | } else { |
||
1101 | |||
1102 | crtc_count = mode_group->num_crtcs; |
||
1103 | connector_count = mode_group->num_connectors; |
||
1104 | encoder_count = mode_group->num_encoders; |
||
1105 | } |
||
1106 | |||
1107 | card_res->max_height = dev->mode_config.max_height; |
||
1108 | card_res->min_height = dev->mode_config.min_height; |
||
1109 | card_res->max_width = dev->mode_config.max_width; |
||
1110 | card_res->min_width = dev->mode_config.min_width; |
||
1111 | |||
1112 | /* handle this in 4 parts */ |
||
1113 | /* FBs */ |
||
1114 | if (card_res->count_fbs >= fb_count) { |
||
1115 | copied = 0; |
||
1116 | fb_id = (uint32_t __user *)(unsigned long)card_res->fb_id_ptr; |
||
1963 | serge | 1117 | list_for_each_entry(fb, &file_priv->fbs, filp_head) { |
1123 | serge | 1118 | if (put_user(fb->base.id, fb_id + copied)) { |
1119 | ret = -EFAULT; |
||
1120 | goto out; |
||
1121 | } |
||
1122 | copied++; |
||
1123 | } |
||
1124 | } |
||
1125 | card_res->count_fbs = fb_count; |
||
1126 | |||
1127 | /* CRTCs */ |
||
1128 | if (card_res->count_crtcs >= crtc_count) { |
||
1129 | copied = 0; |
||
1130 | crtc_id = (uint32_t __user *)(unsigned long)card_res->crtc_id_ptr; |
||
1131 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { |
||
1132 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, |
||
1133 | head) { |
||
1963 | serge | 1134 | DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id); |
1123 | serge | 1135 | if (put_user(crtc->base.id, crtc_id + copied)) { |
1136 | ret = -EFAULT; |
||
1137 | goto out; |
||
1138 | } |
||
1139 | copied++; |
||
1140 | } |
||
1141 | } else { |
||
1142 | for (i = 0; i < mode_group->num_crtcs; i++) { |
||
1143 | if (put_user(mode_group->id_list[i], |
||
1144 | crtc_id + copied)) { |
||
1145 | ret = -EFAULT; |
||
1146 | goto out; |
||
1147 | } |
||
1148 | copied++; |
||
1149 | } |
||
1150 | } |
||
1151 | } |
||
1152 | card_res->count_crtcs = crtc_count; |
||
1153 | |||
1154 | /* Encoders */ |
||
1155 | if (card_res->count_encoders >= encoder_count) { |
||
1156 | copied = 0; |
||
1157 | encoder_id = (uint32_t __user *)(unsigned long)card_res->encoder_id_ptr; |
||
1158 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { |
||
1159 | list_for_each_entry(encoder, |
||
1160 | &dev->mode_config.encoder_list, |
||
1161 | head) { |
||
1963 | serge | 1162 | DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", encoder->base.id, |
1163 | drm_get_encoder_name(encoder)); |
||
1123 | serge | 1164 | if (put_user(encoder->base.id, encoder_id + |
1165 | copied)) { |
||
1166 | ret = -EFAULT; |
||
1167 | goto out; |
||
1168 | } |
||
1169 | copied++; |
||
1170 | } |
||
1171 | } else { |
||
1172 | for (i = mode_group->num_crtcs; i < mode_group->num_crtcs + mode_group->num_encoders; i++) { |
||
1173 | if (put_user(mode_group->id_list[i], |
||
1174 | encoder_id + copied)) { |
||
1175 | ret = -EFAULT; |
||
1176 | goto out; |
||
1177 | } |
||
1178 | copied++; |
||
1179 | } |
||
1180 | |||
1181 | } |
||
1182 | } |
||
1183 | card_res->count_encoders = encoder_count; |
||
1184 | |||
1185 | /* Connectors */ |
||
1186 | if (card_res->count_connectors >= connector_count) { |
||
1187 | copied = 0; |
||
1188 | connector_id = (uint32_t __user *)(unsigned long)card_res->connector_id_ptr; |
||
1189 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { |
||
1190 | list_for_each_entry(connector, |
||
1191 | &dev->mode_config.connector_list, |
||
1192 | head) { |
||
1963 | serge | 1193 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", |
1194 | connector->base.id, |
||
1195 | drm_get_connector_name(connector)); |
||
1123 | serge | 1196 | if (put_user(connector->base.id, |
1197 | connector_id + copied)) { |
||
1198 | ret = -EFAULT; |
||
1199 | goto out; |
||
1200 | } |
||
1201 | copied++; |
||
1202 | } |
||
1203 | } else { |
||
1204 | int start = mode_group->num_crtcs + |
||
1205 | mode_group->num_encoders; |
||
1206 | for (i = start; i < start + mode_group->num_connectors; i++) { |
||
1207 | if (put_user(mode_group->id_list[i], |
||
1208 | connector_id + copied)) { |
||
1209 | ret = -EFAULT; |
||
1210 | goto out; |
||
1211 | } |
||
1212 | copied++; |
||
1213 | } |
||
1214 | } |
||
1215 | } |
||
1216 | card_res->count_connectors = connector_count; |
||
1217 | |||
1963 | serge | 1218 | DRM_DEBUG_KMS("CRTC[%d] CONNECTORS[%d] ENCODERS[%d]\n", card_res->count_crtcs, |
1123 | serge | 1219 | card_res->count_connectors, card_res->count_encoders); |
1220 | |||
1221 | out: |
||
1222 | mutex_unlock(&dev->mode_config.mutex); |
||
1223 | return ret; |
||
1224 | } |
||
1225 | |||
1226 | /** |
||
1227 | * drm_mode_getcrtc - get CRTC configuration |
||
1228 | * @inode: inode from the ioctl |
||
1229 | * @filp: file * from the ioctl |
||
1230 | * @cmd: cmd from ioctl |
||
1231 | * @arg: arg from ioctl |
||
1232 | * |
||
1233 | * LOCKING: |
||
1234 | * Caller? (FIXME) |
||
1235 | * |
||
1236 | * Construct a CRTC configuration structure to return to the user. |
||
1237 | * |
||
1238 | * Called by the user via ioctl. |
||
1239 | * |
||
1240 | * RETURNS: |
||
1241 | * Zero on success, errno on failure. |
||
1242 | */ |
||
1243 | int drm_mode_getcrtc(struct drm_device *dev, |
||
1244 | void *data, struct drm_file *file_priv) |
||
1245 | { |
||
1246 | struct drm_mode_crtc *crtc_resp = data; |
||
1247 | struct drm_crtc *crtc; |
||
1248 | struct drm_mode_object *obj; |
||
1249 | int ret = 0; |
||
1250 | |||
1963 | serge | 1251 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1252 | return -EINVAL; |
||
1253 | |||
1123 | serge | 1254 | mutex_lock(&dev->mode_config.mutex); |
1255 | |||
1256 | obj = drm_mode_object_find(dev, crtc_resp->crtc_id, |
||
1257 | DRM_MODE_OBJECT_CRTC); |
||
1258 | if (!obj) { |
||
1259 | ret = -EINVAL; |
||
1260 | goto out; |
||
1261 | } |
||
1262 | crtc = obj_to_crtc(obj); |
||
1263 | |||
1264 | crtc_resp->x = crtc->x; |
||
1265 | crtc_resp->y = crtc->y; |
||
1266 | crtc_resp->gamma_size = crtc->gamma_size; |
||
1267 | if (crtc->fb) |
||
1268 | crtc_resp->fb_id = crtc->fb->base.id; |
||
1269 | else |
||
1270 | crtc_resp->fb_id = 0; |
||
1271 | |||
1272 | if (crtc->enabled) { |
||
1273 | |||
1274 | drm_crtc_convert_to_umode(&crtc_resp->mode, &crtc->mode); |
||
1275 | crtc_resp->mode_valid = 1; |
||
1276 | |||
1277 | } else { |
||
1278 | crtc_resp->mode_valid = 0; |
||
1279 | } |
||
1280 | |||
1281 | out: |
||
1282 | mutex_unlock(&dev->mode_config.mutex); |
||
1283 | return ret; |
||
1284 | } |
||
1285 | |||
1286 | /** |
||
1287 | * drm_mode_getconnector - get connector configuration |
||
1288 | * @inode: inode from the ioctl |
||
1289 | * @filp: file * from the ioctl |
||
1290 | * @cmd: cmd from ioctl |
||
1291 | * @arg: arg from ioctl |
||
1292 | * |
||
1293 | * LOCKING: |
||
1294 | * Caller? (FIXME) |
||
1295 | * |
||
1296 | * Construct a connector configuration structure to return to the user. |
||
1297 | * |
||
1298 | * Called by the user via ioctl. |
||
1299 | * |
||
1300 | * RETURNS: |
||
1301 | * Zero on success, errno on failure. |
||
1302 | */ |
||
1303 | int drm_mode_getconnector(struct drm_device *dev, void *data, |
||
1304 | struct drm_file *file_priv) |
||
1305 | { |
||
1306 | struct drm_mode_get_connector *out_resp = data; |
||
1307 | struct drm_mode_object *obj; |
||
1308 | struct drm_connector *connector; |
||
1309 | struct drm_display_mode *mode; |
||
1310 | int mode_count = 0; |
||
1311 | int props_count = 0; |
||
1312 | int encoders_count = 0; |
||
1313 | int ret = 0; |
||
1314 | int copied = 0; |
||
1315 | int i; |
||
1316 | struct drm_mode_modeinfo u_mode; |
||
1317 | struct drm_mode_modeinfo __user *mode_ptr; |
||
1318 | uint32_t __user *prop_ptr; |
||
1319 | uint64_t __user *prop_values; |
||
1320 | uint32_t __user *encoder_ptr; |
||
1321 | |||
1963 | serge | 1322 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1323 | return -EINVAL; |
||
1324 | |||
1123 | serge | 1325 | memset(&u_mode, 0, sizeof(struct drm_mode_modeinfo)); |
1326 | |||
1963 | serge | 1327 | DRM_DEBUG_KMS("[CONNECTOR:%d:?]\n", out_resp->connector_id); |
1123 | serge | 1328 | |
1329 | mutex_lock(&dev->mode_config.mutex); |
||
1330 | |||
1331 | obj = drm_mode_object_find(dev, out_resp->connector_id, |
||
1332 | DRM_MODE_OBJECT_CONNECTOR); |
||
1333 | if (!obj) { |
||
1334 | ret = -EINVAL; |
||
1335 | goto out; |
||
1336 | } |
||
1337 | connector = obj_to_connector(obj); |
||
1338 | |||
1339 | for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { |
||
1340 | if (connector->property_ids[i] != 0) { |
||
1341 | props_count++; |
||
1342 | } |
||
1343 | } |
||
1344 | |||
1345 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { |
||
1346 | if (connector->encoder_ids[i] != 0) { |
||
1347 | encoders_count++; |
||
1348 | } |
||
1349 | } |
||
1350 | |||
1351 | if (out_resp->count_modes == 0) { |
||
1352 | connector->funcs->fill_modes(connector, |
||
1353 | dev->mode_config.max_width, |
||
1354 | dev->mode_config.max_height); |
||
1355 | } |
||
1356 | |||
1357 | /* delayed so we get modes regardless of pre-fill_modes state */ |
||
1358 | list_for_each_entry(mode, &connector->modes, head) |
||
1359 | mode_count++; |
||
1360 | |||
1361 | out_resp->connector_id = connector->base.id; |
||
1362 | out_resp->connector_type = connector->connector_type; |
||
1363 | out_resp->connector_type_id = connector->connector_type_id; |
||
1364 | out_resp->mm_width = connector->display_info.width_mm; |
||
1365 | out_resp->mm_height = connector->display_info.height_mm; |
||
1366 | out_resp->subpixel = connector->display_info.subpixel_order; |
||
1367 | out_resp->connection = connector->status; |
||
1368 | if (connector->encoder) |
||
1369 | out_resp->encoder_id = connector->encoder->base.id; |
||
1370 | else |
||
1371 | out_resp->encoder_id = 0; |
||
1372 | |||
1373 | /* |
||
1374 | * This ioctl is called twice, once to determine how much space is |
||
1375 | * needed, and the 2nd time to fill it. |
||
1376 | */ |
||
1377 | if ((out_resp->count_modes >= mode_count) && mode_count) { |
||
1378 | copied = 0; |
||
1379 | mode_ptr = (struct drm_mode_modeinfo *)(unsigned long)out_resp->modes_ptr; |
||
1380 | list_for_each_entry(mode, &connector->modes, head) { |
||
1381 | drm_crtc_convert_to_umode(&u_mode, mode); |
||
1382 | if (copy_to_user(mode_ptr + copied, |
||
1383 | &u_mode, sizeof(u_mode))) { |
||
1384 | ret = -EFAULT; |
||
1385 | goto out; |
||
1386 | } |
||
1387 | copied++; |
||
1388 | } |
||
1389 | } |
||
1390 | out_resp->count_modes = mode_count; |
||
1391 | |||
1392 | if ((out_resp->count_props >= props_count) && props_count) { |
||
1393 | copied = 0; |
||
1394 | prop_ptr = (uint32_t *)(unsigned long)(out_resp->props_ptr); |
||
1395 | prop_values = (uint64_t *)(unsigned long)(out_resp->prop_values_ptr); |
||
1396 | for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { |
||
1397 | if (connector->property_ids[i] != 0) { |
||
1398 | if (put_user(connector->property_ids[i], |
||
1399 | prop_ptr + copied)) { |
||
1400 | ret = -EFAULT; |
||
1401 | goto out; |
||
1402 | } |
||
1403 | |||
1404 | if (put_user(connector->property_values[i], |
||
1405 | prop_values + copied)) { |
||
1406 | ret = -EFAULT; |
||
1407 | goto out; |
||
1408 | } |
||
1409 | copied++; |
||
1410 | } |
||
1411 | } |
||
1412 | } |
||
1413 | out_resp->count_props = props_count; |
||
1414 | |||
1415 | if ((out_resp->count_encoders >= encoders_count) && encoders_count) { |
||
1416 | copied = 0; |
||
1417 | encoder_ptr = (uint32_t *)(unsigned long)(out_resp->encoders_ptr); |
||
1418 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { |
||
1419 | if (connector->encoder_ids[i] != 0) { |
||
1420 | if (put_user(connector->encoder_ids[i], |
||
1421 | encoder_ptr + copied)) { |
||
1422 | ret = -EFAULT; |
||
1423 | goto out; |
||
1424 | } |
||
1425 | copied++; |
||
1426 | } |
||
1427 | } |
||
1428 | } |
||
1429 | out_resp->count_encoders = encoders_count; |
||
1430 | |||
1431 | out: |
||
1432 | mutex_unlock(&dev->mode_config.mutex); |
||
1433 | return ret; |
||
1434 | } |
||
1435 | |||
1436 | int drm_mode_getencoder(struct drm_device *dev, void *data, |
||
1437 | struct drm_file *file_priv) |
||
1438 | { |
||
1439 | struct drm_mode_get_encoder *enc_resp = data; |
||
1440 | struct drm_mode_object *obj; |
||
1441 | struct drm_encoder *encoder; |
||
1442 | int ret = 0; |
||
1443 | |||
1963 | serge | 1444 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1445 | return -EINVAL; |
||
1446 | |||
1123 | serge | 1447 | mutex_lock(&dev->mode_config.mutex); |
1448 | obj = drm_mode_object_find(dev, enc_resp->encoder_id, |
||
1449 | DRM_MODE_OBJECT_ENCODER); |
||
1450 | if (!obj) { |
||
1451 | ret = -EINVAL; |
||
1452 | goto out; |
||
1453 | } |
||
1454 | encoder = obj_to_encoder(obj); |
||
1455 | |||
1456 | if (encoder->crtc) |
||
1457 | enc_resp->crtc_id = encoder->crtc->base.id; |
||
1458 | else |
||
1459 | enc_resp->crtc_id = 0; |
||
1460 | enc_resp->encoder_type = encoder->encoder_type; |
||
1461 | enc_resp->encoder_id = encoder->base.id; |
||
1462 | enc_resp->possible_crtcs = encoder->possible_crtcs; |
||
1463 | enc_resp->possible_clones = encoder->possible_clones; |
||
1464 | |||
1465 | out: |
||
1466 | mutex_unlock(&dev->mode_config.mutex); |
||
1467 | return ret; |
||
1468 | } |
||
1469 | |||
1470 | /** |
||
1471 | * drm_mode_setcrtc - set CRTC configuration |
||
1472 | * @inode: inode from the ioctl |
||
1473 | * @filp: file * from the ioctl |
||
1474 | * @cmd: cmd from ioctl |
||
1475 | * @arg: arg from ioctl |
||
1476 | * |
||
1477 | * LOCKING: |
||
1478 | * Caller? (FIXME) |
||
1479 | * |
||
1480 | * Build a new CRTC configuration based on user request. |
||
1481 | * |
||
1482 | * Called by the user via ioctl. |
||
1483 | * |
||
1484 | * RETURNS: |
||
1485 | * Zero on success, errno on failure. |
||
1486 | */ |
||
1487 | int drm_mode_setcrtc(struct drm_device *dev, void *data, |
||
1488 | struct drm_file *file_priv) |
||
1489 | { |
||
1490 | struct drm_mode_config *config = &dev->mode_config; |
||
1491 | struct drm_mode_crtc *crtc_req = data; |
||
1492 | struct drm_mode_object *obj; |
||
1493 | struct drm_crtc *crtc, *crtcfb; |
||
1494 | struct drm_connector **connector_set = NULL, *connector; |
||
1495 | struct drm_framebuffer *fb = NULL; |
||
1496 | struct drm_display_mode *mode = NULL; |
||
1497 | struct drm_mode_set set; |
||
1498 | uint32_t __user *set_connectors_ptr; |
||
1499 | int ret = 0; |
||
1500 | int i; |
||
1501 | |||
1963 | serge | 1502 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1503 | return -EINVAL; |
||
1504 | |||
1123 | serge | 1505 | mutex_lock(&dev->mode_config.mutex); |
1506 | obj = drm_mode_object_find(dev, crtc_req->crtc_id, |
||
1507 | DRM_MODE_OBJECT_CRTC); |
||
1508 | if (!obj) { |
||
1179 | serge | 1509 | DRM_DEBUG_KMS("Unknown CRTC ID %d\n", crtc_req->crtc_id); |
1123 | serge | 1510 | ret = -EINVAL; |
1511 | goto out; |
||
1512 | } |
||
1513 | crtc = obj_to_crtc(obj); |
||
1963 | serge | 1514 | DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id); |
1123 | serge | 1515 | |
1516 | if (crtc_req->mode_valid) { |
||
1517 | /* If we have a mode we need a framebuffer. */ |
||
1518 | /* If we pass -1, set the mode with the currently bound fb */ |
||
1519 | if (crtc_req->fb_id == -1) { |
||
1520 | list_for_each_entry(crtcfb, |
||
1521 | &dev->mode_config.crtc_list, head) { |
||
1522 | if (crtcfb == crtc) { |
||
1179 | serge | 1523 | DRM_DEBUG_KMS("Using current fb for " |
1524 | "setmode\n"); |
||
1123 | serge | 1525 | fb = crtc->fb; |
1526 | } |
||
1527 | } |
||
1528 | } else { |
||
1529 | obj = drm_mode_object_find(dev, crtc_req->fb_id, |
||
1530 | DRM_MODE_OBJECT_FB); |
||
1531 | if (!obj) { |
||
1179 | serge | 1532 | DRM_DEBUG_KMS("Unknown FB ID%d\n", |
1533 | crtc_req->fb_id); |
||
1123 | serge | 1534 | ret = -EINVAL; |
1535 | goto out; |
||
1536 | } |
||
1537 | fb = obj_to_fb(obj); |
||
1538 | } |
||
1539 | |||
1540 | mode = drm_mode_create(dev); |
||
1541 | drm_crtc_convert_umode(mode, &crtc_req->mode); |
||
1542 | drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V); |
||
1543 | } |
||
1544 | |||
1545 | if (crtc_req->count_connectors == 0 && mode) { |
||
1179 | serge | 1546 | DRM_DEBUG_KMS("Count connectors is 0 but mode set\n"); |
1123 | serge | 1547 | ret = -EINVAL; |
1548 | goto out; |
||
1549 | } |
||
1550 | |||
1179 | serge | 1551 | if (crtc_req->count_connectors > 0 && (!mode || !fb)) { |
1552 | DRM_DEBUG_KMS("Count connectors is %d but no mode or fb set\n", |
||
1123 | serge | 1553 | crtc_req->count_connectors); |
1554 | ret = -EINVAL; |
||
1555 | goto out; |
||
1556 | } |
||
1557 | |||
1558 | if (crtc_req->count_connectors > 0) { |
||
1559 | u32 out_id; |
||
1560 | |||
1561 | /* Avoid unbounded kernel memory allocation */ |
||
1562 | if (crtc_req->count_connectors > config->num_connector) { |
||
1563 | ret = -EINVAL; |
||
1564 | goto out; |
||
1565 | } |
||
1566 | |||
1567 | connector_set = kmalloc(crtc_req->count_connectors * |
||
1568 | sizeof(struct drm_connector *), |
||
1569 | GFP_KERNEL); |
||
1570 | if (!connector_set) { |
||
1571 | ret = -ENOMEM; |
||
1572 | goto out; |
||
1573 | } |
||
1574 | |||
1575 | for (i = 0; i < crtc_req->count_connectors; i++) { |
||
1576 | set_connectors_ptr = (uint32_t *)(unsigned long)crtc_req->set_connectors_ptr; |
||
1577 | if (get_user(out_id, &set_connectors_ptr[i])) { |
||
1578 | ret = -EFAULT; |
||
1579 | goto out; |
||
1580 | } |
||
1581 | |||
1582 | obj = drm_mode_object_find(dev, out_id, |
||
1583 | DRM_MODE_OBJECT_CONNECTOR); |
||
1584 | if (!obj) { |
||
1179 | serge | 1585 | DRM_DEBUG_KMS("Connector id %d unknown\n", |
1586 | out_id); |
||
1123 | serge | 1587 | ret = -EINVAL; |
1588 | goto out; |
||
1589 | } |
||
1590 | connector = obj_to_connector(obj); |
||
1963 | serge | 1591 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", |
1592 | connector->base.id, |
||
1593 | drm_get_connector_name(connector)); |
||
1123 | serge | 1594 | |
1595 | connector_set[i] = connector; |
||
1596 | } |
||
1597 | } |
||
1598 | |||
1599 | set.crtc = crtc; |
||
1600 | set.x = crtc_req->x; |
||
1601 | set.y = crtc_req->y; |
||
1602 | set.mode = mode; |
||
1603 | set.connectors = connector_set; |
||
1604 | set.num_connectors = crtc_req->count_connectors; |
||
1179 | serge | 1605 | set.fb = fb; |
1123 | serge | 1606 | ret = crtc->funcs->set_config(&set); |
1607 | |||
1608 | out: |
||
1609 | kfree(connector_set); |
||
1610 | mutex_unlock(&dev->mode_config.mutex); |
||
1611 | return ret; |
||
1612 | } |
||
1613 | |||
1614 | int drm_mode_cursor_ioctl(struct drm_device *dev, |
||
1615 | void *data, struct drm_file *file_priv) |
||
1616 | { |
||
1617 | struct drm_mode_cursor *req = data; |
||
1618 | struct drm_mode_object *obj; |
||
1619 | struct drm_crtc *crtc; |
||
1620 | int ret = 0; |
||
1621 | |||
1963 | serge | 1622 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1623 | return -EINVAL; |
||
1624 | |||
1123 | serge | 1625 | if (!req->flags) { |
1626 | DRM_ERROR("no operation set\n"); |
||
1627 | return -EINVAL; |
||
1628 | } |
||
1629 | |||
1630 | mutex_lock(&dev->mode_config.mutex); |
||
1631 | obj = drm_mode_object_find(dev, req->crtc_id, DRM_MODE_OBJECT_CRTC); |
||
1632 | if (!obj) { |
||
1179 | serge | 1633 | DRM_DEBUG_KMS("Unknown CRTC ID %d\n", req->crtc_id); |
1123 | serge | 1634 | ret = -EINVAL; |
1635 | goto out; |
||
1636 | } |
||
1637 | crtc = obj_to_crtc(obj); |
||
1638 | |||
1639 | if (req->flags & DRM_MODE_CURSOR_BO) { |
||
1640 | if (!crtc->funcs->cursor_set) { |
||
1641 | DRM_ERROR("crtc does not support cursor\n"); |
||
1642 | ret = -ENXIO; |
||
1643 | goto out; |
||
1644 | } |
||
1645 | /* Turns off the cursor if handle is 0 */ |
||
1646 | ret = crtc->funcs->cursor_set(crtc, file_priv, req->handle, |
||
1647 | req->width, req->height); |
||
1648 | } |
||
1649 | |||
1650 | if (req->flags & DRM_MODE_CURSOR_MOVE) { |
||
1651 | if (crtc->funcs->cursor_move) { |
||
1652 | ret = crtc->funcs->cursor_move(crtc, req->x, req->y); |
||
1653 | } else { |
||
1654 | DRM_ERROR("crtc does not support cursor\n"); |
||
1655 | ret = -EFAULT; |
||
1656 | goto out; |
||
1657 | } |
||
1658 | } |
||
1659 | out: |
||
1660 | mutex_unlock(&dev->mode_config.mutex); |
||
1661 | return ret; |
||
1662 | } |
||
1663 | |||
1664 | /** |
||
1665 | * drm_mode_addfb - add an FB to the graphics configuration |
||
1666 | * @inode: inode from the ioctl |
||
1667 | * @filp: file * from the ioctl |
||
1668 | * @cmd: cmd from ioctl |
||
1669 | * @arg: arg from ioctl |
||
1670 | * |
||
1671 | * LOCKING: |
||
1672 | * Takes mode config lock. |
||
1673 | * |
||
1674 | * Add a new FB to the specified CRTC, given a user request. |
||
1675 | * |
||
1676 | * Called by the user via ioctl. |
||
1677 | * |
||
1678 | * RETURNS: |
||
1679 | * Zero on success, errno on failure. |
||
1680 | */ |
||
1681 | int drm_mode_addfb(struct drm_device *dev, |
||
1682 | void *data, struct drm_file *file_priv) |
||
1683 | { |
||
1684 | struct drm_mode_fb_cmd *r = data; |
||
1685 | struct drm_mode_config *config = &dev->mode_config; |
||
1686 | struct drm_framebuffer *fb; |
||
1687 | int ret = 0; |
||
1688 | |||
1963 | serge | 1689 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1690 | return -EINVAL; |
||
1691 | |||
1123 | serge | 1692 | if ((config->min_width > r->width) || (r->width > config->max_width)) { |
1693 | DRM_ERROR("mode new framebuffer width not within limits\n"); |
||
1694 | return -EINVAL; |
||
1695 | } |
||
1696 | if ((config->min_height > r->height) || (r->height > config->max_height)) { |
||
1697 | DRM_ERROR("mode new framebuffer height not within limits\n"); |
||
1698 | return -EINVAL; |
||
1699 | } |
||
1700 | |||
1701 | mutex_lock(&dev->mode_config.mutex); |
||
1702 | |||
1963 | serge | 1703 | /* TODO check buffer is sufficiently large */ |
1123 | serge | 1704 | /* TODO setup destructor callback */ |
1705 | |||
1706 | fb = dev->mode_config.funcs->fb_create(dev, file_priv, r); |
||
1963 | serge | 1707 | if (IS_ERR(fb)) { |
1123 | serge | 1708 | DRM_ERROR("could not create framebuffer\n"); |
1963 | serge | 1709 | ret = PTR_ERR(fb); |
1123 | serge | 1710 | goto out; |
1711 | } |
||
1712 | |||
1713 | r->fb_id = fb->base.id; |
||
1714 | list_add(&fb->filp_head, &file_priv->fbs); |
||
1963 | serge | 1715 | DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id); |
1123 | serge | 1716 | |
1717 | out: |
||
1718 | mutex_unlock(&dev->mode_config.mutex); |
||
1719 | return ret; |
||
1720 | } |
||
1721 | |||
1722 | /** |
||
1723 | * drm_mode_rmfb - remove an FB from the configuration |
||
1724 | * @inode: inode from the ioctl |
||
1725 | * @filp: file * from the ioctl |
||
1726 | * @cmd: cmd from ioctl |
||
1727 | * @arg: arg from ioctl |
||
1728 | * |
||
1729 | * LOCKING: |
||
1730 | * Takes mode config lock. |
||
1731 | * |
||
1732 | * Remove the FB specified by the user. |
||
1733 | * |
||
1734 | * Called by the user via ioctl. |
||
1735 | * |
||
1736 | * RETURNS: |
||
1737 | * Zero on success, errno on failure. |
||
1738 | */ |
||
1739 | int drm_mode_rmfb(struct drm_device *dev, |
||
1740 | void *data, struct drm_file *file_priv) |
||
1741 | { |
||
1742 | struct drm_mode_object *obj; |
||
1743 | struct drm_framebuffer *fb = NULL; |
||
1744 | struct drm_framebuffer *fbl = NULL; |
||
1745 | uint32_t *id = data; |
||
1746 | int ret = 0; |
||
1747 | int found = 0; |
||
1748 | |||
1963 | serge | 1749 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1750 | return -EINVAL; |
||
1751 | |||
1123 | serge | 1752 | mutex_lock(&dev->mode_config.mutex); |
1753 | obj = drm_mode_object_find(dev, *id, DRM_MODE_OBJECT_FB); |
||
1963 | serge | 1754 | /* TODO check that we really get a framebuffer back. */ |
1123 | serge | 1755 | if (!obj) { |
1756 | DRM_ERROR("mode invalid framebuffer id\n"); |
||
1757 | ret = -EINVAL; |
||
1758 | goto out; |
||
1759 | } |
||
1760 | fb = obj_to_fb(obj); |
||
1761 | |||
1762 | list_for_each_entry(fbl, &file_priv->fbs, filp_head) |
||
1763 | if (fb == fbl) |
||
1764 | found = 1; |
||
1765 | |||
1766 | if (!found) { |
||
1767 | DRM_ERROR("tried to remove a fb that we didn't own\n"); |
||
1768 | ret = -EINVAL; |
||
1769 | goto out; |
||
1770 | } |
||
1771 | |||
1772 | /* TODO release all crtc connected to the framebuffer */ |
||
1773 | /* TODO unhock the destructor from the buffer object */ |
||
1774 | |||
1775 | list_del(&fb->filp_head); |
||
1776 | fb->funcs->destroy(fb); |
||
1777 | |||
1778 | out: |
||
1779 | mutex_unlock(&dev->mode_config.mutex); |
||
1780 | return ret; |
||
1781 | } |
||
1782 | |||
1783 | /** |
||
1784 | * drm_mode_getfb - get FB info |
||
1785 | * @inode: inode from the ioctl |
||
1786 | * @filp: file * from the ioctl |
||
1787 | * @cmd: cmd from ioctl |
||
1788 | * @arg: arg from ioctl |
||
1789 | * |
||
1790 | * LOCKING: |
||
1791 | * Caller? (FIXME) |
||
1792 | * |
||
1793 | * Lookup the FB given its ID and return info about it. |
||
1794 | * |
||
1795 | * Called by the user via ioctl. |
||
1796 | * |
||
1797 | * RETURNS: |
||
1798 | * Zero on success, errno on failure. |
||
1799 | */ |
||
1800 | int drm_mode_getfb(struct drm_device *dev, |
||
1801 | void *data, struct drm_file *file_priv) |
||
1802 | { |
||
1803 | struct drm_mode_fb_cmd *r = data; |
||
1804 | struct drm_mode_object *obj; |
||
1805 | struct drm_framebuffer *fb; |
||
1806 | int ret = 0; |
||
1807 | |||
1963 | serge | 1808 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1809 | return -EINVAL; |
||
1810 | |||
1123 | serge | 1811 | mutex_lock(&dev->mode_config.mutex); |
1812 | obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB); |
||
1813 | if (!obj) { |
||
1814 | DRM_ERROR("invalid framebuffer id\n"); |
||
1815 | ret = -EINVAL; |
||
1816 | goto out; |
||
1817 | } |
||
1818 | fb = obj_to_fb(obj); |
||
1819 | |||
1820 | r->height = fb->height; |
||
1821 | r->width = fb->width; |
||
1822 | r->depth = fb->depth; |
||
1823 | r->bpp = fb->bits_per_pixel; |
||
1824 | r->pitch = fb->pitch; |
||
1825 | fb->funcs->create_handle(fb, file_priv, &r->handle); |
||
1826 | |||
1827 | out: |
||
1828 | mutex_unlock(&dev->mode_config.mutex); |
||
1829 | return ret; |
||
1830 | } |
||
1831 | |||
1412 | serge | 1832 | int drm_mode_dirtyfb_ioctl(struct drm_device *dev, |
1833 | void *data, struct drm_file *file_priv) |
||
1834 | { |
||
1835 | struct drm_clip_rect __user *clips_ptr; |
||
1836 | struct drm_clip_rect *clips = NULL; |
||
1837 | struct drm_mode_fb_dirty_cmd *r = data; |
||
1838 | struct drm_mode_object *obj; |
||
1839 | struct drm_framebuffer *fb; |
||
1840 | unsigned flags; |
||
1841 | int num_clips; |
||
1842 | int ret = 0; |
||
1843 | |||
1963 | serge | 1844 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1845 | return -EINVAL; |
||
1846 | |||
1412 | serge | 1847 | mutex_lock(&dev->mode_config.mutex); |
1848 | obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB); |
||
1849 | if (!obj) { |
||
1850 | DRM_ERROR("invalid framebuffer id\n"); |
||
1851 | ret = -EINVAL; |
||
1852 | goto out_err1; |
||
1853 | } |
||
1854 | fb = obj_to_fb(obj); |
||
1855 | |||
1856 | num_clips = r->num_clips; |
||
1857 | clips_ptr = (struct drm_clip_rect *)(unsigned long)r->clips_ptr; |
||
1858 | |||
1859 | if (!num_clips != !clips_ptr) { |
||
1860 | ret = -EINVAL; |
||
1861 | goto out_err1; |
||
1862 | } |
||
1863 | |||
1864 | flags = DRM_MODE_FB_DIRTY_FLAGS & r->flags; |
||
1865 | |||
1866 | /* If userspace annotates copy, clips must come in pairs */ |
||
1867 | if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY && (num_clips % 2)) { |
||
1868 | ret = -EINVAL; |
||
1869 | goto out_err1; |
||
1870 | } |
||
1871 | |||
1872 | if (num_clips && clips_ptr) { |
||
1873 | clips = kzalloc(num_clips * sizeof(*clips), GFP_KERNEL); |
||
1874 | if (!clips) { |
||
1875 | ret = -ENOMEM; |
||
1876 | goto out_err1; |
||
1877 | } |
||
1878 | |||
1879 | ret = copy_from_user(clips, clips_ptr, |
||
1880 | num_clips * sizeof(*clips)); |
||
1963 | serge | 1881 | if (ret) { |
1882 | ret = -EFAULT; |
||
1412 | serge | 1883 | goto out_err2; |
1884 | } |
||
1963 | serge | 1885 | } |
1412 | serge | 1886 | |
1887 | if (fb->funcs->dirty) { |
||
1963 | serge | 1888 | ret = fb->funcs->dirty(fb, file_priv, flags, r->color, |
1889 | clips, num_clips); |
||
1412 | serge | 1890 | } else { |
1891 | ret = -ENOSYS; |
||
1892 | goto out_err2; |
||
1893 | } |
||
1894 | |||
1895 | out_err2: |
||
1896 | kfree(clips); |
||
1897 | out_err1: |
||
1898 | mutex_unlock(&dev->mode_config.mutex); |
||
1899 | return ret; |
||
1900 | } |
||
1901 | |||
1902 | |||
1123 | serge | 1903 | /** |
1904 | * drm_fb_release - remove and free the FBs on this file |
||
1905 | * @filp: file * from the ioctl |
||
1906 | * |
||
1907 | * LOCKING: |
||
1908 | * Takes mode config lock. |
||
1909 | * |
||
1910 | * Destroy all the FBs associated with @filp. |
||
1911 | * |
||
1912 | * Called by the user via ioctl. |
||
1913 | * |
||
1914 | * RETURNS: |
||
1915 | * Zero on success, errno on failure. |
||
1916 | */ |
||
1917 | void drm_fb_release(struct drm_file *priv) |
||
1918 | { |
||
1919 | struct drm_device *dev = priv->minor->dev; |
||
1920 | struct drm_framebuffer *fb, *tfb; |
||
1921 | |||
1922 | mutex_lock(&dev->mode_config.mutex); |
||
1923 | list_for_each_entry_safe(fb, tfb, &priv->fbs, filp_head) { |
||
1924 | list_del(&fb->filp_head); |
||
1925 | fb->funcs->destroy(fb); |
||
1926 | } |
||
1927 | mutex_unlock(&dev->mode_config.mutex); |
||
1928 | } |
||
1929 | #endif |
||
1930 | |||
1931 | /** |
||
1932 | * drm_mode_attachmode - add a mode to the user mode list |
||
1933 | * @dev: DRM device |
||
1934 | * @connector: connector to add the mode to |
||
1935 | * @mode: mode to add |
||
1936 | * |
||
1937 | * Add @mode to @connector's user mode list. |
||
1938 | */ |
||
1939 | static int drm_mode_attachmode(struct drm_device *dev, |
||
1940 | struct drm_connector *connector, |
||
1941 | struct drm_display_mode *mode) |
||
1942 | { |
||
1943 | int ret = 0; |
||
1944 | |||
1945 | list_add_tail(&mode->head, &connector->user_modes); |
||
1946 | return ret; |
||
1947 | } |
||
1948 | |||
1949 | int drm_mode_attachmode_crtc(struct drm_device *dev, struct drm_crtc *crtc, |
||
1950 | struct drm_display_mode *mode) |
||
1951 | { |
||
1952 | struct drm_connector *connector; |
||
1953 | int ret = 0; |
||
1954 | struct drm_display_mode *dup_mode; |
||
1955 | int need_dup = 0; |
||
1956 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { |
||
1957 | if (!connector->encoder) |
||
1958 | break; |
||
1959 | if (connector->encoder->crtc == crtc) { |
||
1960 | if (need_dup) |
||
1961 | dup_mode = drm_mode_duplicate(dev, mode); |
||
1962 | else |
||
1963 | dup_mode = mode; |
||
1964 | ret = drm_mode_attachmode(dev, connector, dup_mode); |
||
1965 | if (ret) |
||
1966 | return ret; |
||
1967 | need_dup = 1; |
||
1968 | } |
||
1969 | } |
||
1970 | return 0; |
||
1971 | } |
||
1972 | EXPORT_SYMBOL(drm_mode_attachmode_crtc); |
||
1973 | |||
1974 | static int drm_mode_detachmode(struct drm_device *dev, |
||
1975 | struct drm_connector *connector, |
||
1976 | struct drm_display_mode *mode) |
||
1977 | { |
||
1978 | int found = 0; |
||
1979 | int ret = 0; |
||
1980 | struct drm_display_mode *match_mode, *t; |
||
1981 | |||
1982 | list_for_each_entry_safe(match_mode, t, &connector->user_modes, head) { |
||
1983 | if (drm_mode_equal(match_mode, mode)) { |
||
1984 | list_del(&match_mode->head); |
||
1985 | drm_mode_destroy(dev, match_mode); |
||
1986 | found = 1; |
||
1987 | break; |
||
1988 | } |
||
1989 | } |
||
1990 | |||
1991 | if (!found) |
||
1992 | ret = -EINVAL; |
||
1993 | |||
1994 | return ret; |
||
1995 | } |
||
1996 | |||
1997 | int drm_mode_detachmode_crtc(struct drm_device *dev, struct drm_display_mode *mode) |
||
1998 | { |
||
1999 | struct drm_connector *connector; |
||
2000 | |||
2001 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { |
||
2002 | drm_mode_detachmode(dev, connector, mode); |
||
2003 | } |
||
2004 | return 0; |
||
2005 | } |
||
2006 | EXPORT_SYMBOL(drm_mode_detachmode_crtc); |
||
2007 | |||
2008 | #if 0 |
||
2009 | |||
2010 | /** |
||
2011 | * drm_fb_attachmode - Attach a user mode to an connector |
||
2012 | * @inode: inode from the ioctl |
||
2013 | * @filp: file * from the ioctl |
||
2014 | * @cmd: cmd from ioctl |
||
2015 | * @arg: arg from ioctl |
||
2016 | * |
||
2017 | * This attaches a user specified mode to an connector. |
||
2018 | * Called by the user via ioctl. |
||
2019 | * |
||
2020 | * RETURNS: |
||
2021 | * Zero on success, errno on failure. |
||
2022 | */ |
||
2023 | int drm_mode_attachmode_ioctl(struct drm_device *dev, |
||
2024 | void *data, struct drm_file *file_priv) |
||
2025 | { |
||
2026 | struct drm_mode_mode_cmd *mode_cmd = data; |
||
2027 | struct drm_connector *connector; |
||
2028 | struct drm_display_mode *mode; |
||
2029 | struct drm_mode_object *obj; |
||
2030 | struct drm_mode_modeinfo *umode = &mode_cmd->mode; |
||
2031 | int ret = 0; |
||
2032 | |||
1963 | serge | 2033 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2034 | return -EINVAL; |
||
2035 | |||
1123 | serge | 2036 | mutex_lock(&dev->mode_config.mutex); |
2037 | |||
2038 | obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR); |
||
2039 | if (!obj) { |
||
2040 | ret = -EINVAL; |
||
2041 | goto out; |
||
2042 | } |
||
2043 | connector = obj_to_connector(obj); |
||
2044 | |||
2045 | mode = drm_mode_create(dev); |
||
2046 | if (!mode) { |
||
2047 | ret = -ENOMEM; |
||
2048 | goto out; |
||
2049 | } |
||
2050 | |||
2051 | drm_crtc_convert_umode(mode, umode); |
||
2052 | |||
2053 | ret = drm_mode_attachmode(dev, connector, mode); |
||
2054 | out: |
||
2055 | mutex_unlock(&dev->mode_config.mutex); |
||
2056 | return ret; |
||
2057 | } |
||
2058 | |||
2059 | |||
2060 | /** |
||
2061 | * drm_fb_detachmode - Detach a user specified mode from an connector |
||
2062 | * @inode: inode from the ioctl |
||
2063 | * @filp: file * from the ioctl |
||
2064 | * @cmd: cmd from ioctl |
||
2065 | * @arg: arg from ioctl |
||
2066 | * |
||
2067 | * Called by the user via ioctl. |
||
2068 | * |
||
2069 | * RETURNS: |
||
2070 | * Zero on success, errno on failure. |
||
2071 | */ |
||
2072 | int drm_mode_detachmode_ioctl(struct drm_device *dev, |
||
2073 | void *data, struct drm_file *file_priv) |
||
2074 | { |
||
2075 | struct drm_mode_object *obj; |
||
2076 | struct drm_mode_mode_cmd *mode_cmd = data; |
||
2077 | struct drm_connector *connector; |
||
2078 | struct drm_display_mode mode; |
||
2079 | struct drm_mode_modeinfo *umode = &mode_cmd->mode; |
||
2080 | int ret = 0; |
||
2081 | |||
1963 | serge | 2082 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2083 | return -EINVAL; |
||
2084 | |||
1123 | serge | 2085 | mutex_lock(&dev->mode_config.mutex); |
2086 | |||
2087 | obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR); |
||
2088 | if (!obj) { |
||
2089 | ret = -EINVAL; |
||
2090 | goto out; |
||
2091 | } |
||
2092 | connector = obj_to_connector(obj); |
||
2093 | |||
2094 | drm_crtc_convert_umode(&mode, umode); |
||
2095 | ret = drm_mode_detachmode(dev, connector, &mode); |
||
2096 | out: |
||
2097 | mutex_unlock(&dev->mode_config.mutex); |
||
2098 | return ret; |
||
2099 | } |
||
2100 | #endif |
||
2101 | |||
2102 | struct drm_property *drm_property_create(struct drm_device *dev, int flags, |
||
2103 | const char *name, int num_values) |
||
2104 | { |
||
2105 | struct drm_property *property = NULL; |
||
2106 | |||
2107 | property = kzalloc(sizeof(struct drm_property), GFP_KERNEL); |
||
2108 | if (!property) |
||
2109 | return NULL; |
||
2110 | |||
2111 | if (num_values) { |
||
2112 | property->values = kzalloc(sizeof(uint64_t)*num_values, GFP_KERNEL); |
||
2113 | if (!property->values) |
||
2114 | goto fail; |
||
2115 | } |
||
2116 | |||
2117 | drm_mode_object_get(dev, &property->base, DRM_MODE_OBJECT_PROPERTY); |
||
2118 | property->flags = flags; |
||
2119 | property->num_values = num_values; |
||
2120 | INIT_LIST_HEAD(&property->enum_blob_list); |
||
2121 | |||
2122 | if (name) |
||
2123 | strncpy(property->name, name, DRM_PROP_NAME_LEN); |
||
2124 | |||
2125 | list_add_tail(&property->head, &dev->mode_config.property_list); |
||
2126 | return property; |
||
2127 | fail: |
||
2128 | kfree(property); |
||
2129 | return NULL; |
||
2130 | } |
||
2131 | EXPORT_SYMBOL(drm_property_create); |
||
2132 | |||
2133 | int drm_property_add_enum(struct drm_property *property, int index, |
||
2134 | uint64_t value, const char *name) |
||
2135 | { |
||
2136 | struct drm_property_enum *prop_enum; |
||
2137 | |||
2138 | if (!(property->flags & DRM_MODE_PROP_ENUM)) |
||
2139 | return -EINVAL; |
||
2140 | |||
2141 | if (!list_empty(&property->enum_blob_list)) { |
||
2142 | list_for_each_entry(prop_enum, &property->enum_blob_list, head) { |
||
2143 | if (prop_enum->value == value) { |
||
2144 | strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); |
||
2145 | prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; |
||
2146 | return 0; |
||
2147 | } |
||
2148 | } |
||
2149 | } |
||
2150 | |||
2151 | prop_enum = kzalloc(sizeof(struct drm_property_enum), GFP_KERNEL); |
||
2152 | if (!prop_enum) |
||
2153 | return -ENOMEM; |
||
2154 | |||
2155 | strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); |
||
2156 | prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; |
||
2157 | prop_enum->value = value; |
||
2158 | |||
2159 | property->values[index] = value; |
||
2160 | list_add_tail(&prop_enum->head, &property->enum_blob_list); |
||
2161 | return 0; |
||
2162 | } |
||
2163 | EXPORT_SYMBOL(drm_property_add_enum); |
||
2164 | |||
2165 | void drm_property_destroy(struct drm_device *dev, struct drm_property *property) |
||
2166 | { |
||
2167 | struct drm_property_enum *prop_enum, *pt; |
||
2168 | |||
2169 | list_for_each_entry_safe(prop_enum, pt, &property->enum_blob_list, head) { |
||
2170 | list_del(&prop_enum->head); |
||
2171 | kfree(prop_enum); |
||
2172 | } |
||
2173 | |||
2174 | if (property->num_values) |
||
2175 | kfree(property->values); |
||
2176 | drm_mode_object_put(dev, &property->base); |
||
2177 | list_del(&property->head); |
||
2178 | kfree(property); |
||
2179 | } |
||
2180 | EXPORT_SYMBOL(drm_property_destroy); |
||
2181 | |||
2182 | int drm_connector_attach_property(struct drm_connector *connector, |
||
2183 | struct drm_property *property, uint64_t init_val) |
||
2184 | { |
||
2185 | int i; |
||
2186 | |||
2187 | for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { |
||
2188 | if (connector->property_ids[i] == 0) { |
||
2189 | connector->property_ids[i] = property->base.id; |
||
2190 | connector->property_values[i] = init_val; |
||
2191 | break; |
||
2192 | } |
||
2193 | } |
||
2194 | |||
2195 | if (i == DRM_CONNECTOR_MAX_PROPERTY) |
||
2196 | return -EINVAL; |
||
2197 | return 0; |
||
2198 | } |
||
2199 | EXPORT_SYMBOL(drm_connector_attach_property); |
||
2200 | |||
2201 | int drm_connector_property_set_value(struct drm_connector *connector, |
||
2202 | struct drm_property *property, uint64_t value) |
||
2203 | { |
||
2204 | int i; |
||
2205 | |||
2206 | for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { |
||
2207 | if (connector->property_ids[i] == property->base.id) { |
||
2208 | connector->property_values[i] = value; |
||
2209 | break; |
||
2210 | } |
||
2211 | } |
||
2212 | |||
2213 | if (i == DRM_CONNECTOR_MAX_PROPERTY) |
||
2214 | return -EINVAL; |
||
2215 | return 0; |
||
2216 | } |
||
2217 | EXPORT_SYMBOL(drm_connector_property_set_value); |
||
2218 | |||
2219 | int drm_connector_property_get_value(struct drm_connector *connector, |
||
2220 | struct drm_property *property, uint64_t *val) |
||
2221 | { |
||
2222 | int i; |
||
2223 | |||
2224 | for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { |
||
2225 | if (connector->property_ids[i] == property->base.id) { |
||
2226 | *val = connector->property_values[i]; |
||
2227 | break; |
||
2228 | } |
||
2229 | } |
||
2230 | |||
2231 | if (i == DRM_CONNECTOR_MAX_PROPERTY) |
||
2232 | return -EINVAL; |
||
2233 | return 0; |
||
2234 | } |
||
2235 | EXPORT_SYMBOL(drm_connector_property_get_value); |
||
2236 | |||
2237 | #if 0 |
||
2238 | int drm_mode_getproperty_ioctl(struct drm_device *dev, |
||
2239 | void *data, struct drm_file *file_priv) |
||
2240 | { |
||
2241 | struct drm_mode_object *obj; |
||
2242 | struct drm_mode_get_property *out_resp = data; |
||
2243 | struct drm_property *property; |
||
2244 | int enum_count = 0; |
||
2245 | int blob_count = 0; |
||
2246 | int value_count = 0; |
||
2247 | int ret = 0, i; |
||
2248 | int copied; |
||
2249 | struct drm_property_enum *prop_enum; |
||
2250 | struct drm_mode_property_enum __user *enum_ptr; |
||
2251 | struct drm_property_blob *prop_blob; |
||
2252 | uint32_t *blob_id_ptr; |
||
2253 | uint64_t __user *values_ptr; |
||
2254 | uint32_t __user *blob_length_ptr; |
||
2255 | |||
1963 | serge | 2256 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2257 | return -EINVAL; |
||
2258 | |||
1179 | serge | 2259 | mutex_lock(&dev->mode_config.mutex); |
1123 | serge | 2260 | obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY); |
2261 | if (!obj) { |
||
2262 | ret = -EINVAL; |
||
2263 | goto done; |
||
2264 | } |
||
2265 | property = obj_to_property(obj); |
||
2266 | |||
2267 | if (property->flags & DRM_MODE_PROP_ENUM) { |
||
2268 | list_for_each_entry(prop_enum, &property->enum_blob_list, head) |
||
2269 | enum_count++; |
||
2270 | } else if (property->flags & DRM_MODE_PROP_BLOB) { |
||
2271 | list_for_each_entry(prop_blob, &property->enum_blob_list, head) |
||
2272 | blob_count++; |
||
2273 | } |
||
2274 | |||
2275 | value_count = property->num_values; |
||
2276 | |||
2277 | strncpy(out_resp->name, property->name, DRM_PROP_NAME_LEN); |
||
2278 | out_resp->name[DRM_PROP_NAME_LEN-1] = 0; |
||
2279 | out_resp->flags = property->flags; |
||
2280 | |||
2281 | if ((out_resp->count_values >= value_count) && value_count) { |
||
2282 | values_ptr = (uint64_t *)(unsigned long)out_resp->values_ptr; |
||
2283 | for (i = 0; i < value_count; i++) { |
||
2284 | if (copy_to_user(values_ptr + i, &property->values[i], sizeof(uint64_t))) { |
||
2285 | ret = -EFAULT; |
||
2286 | goto done; |
||
2287 | } |
||
2288 | } |
||
2289 | } |
||
2290 | out_resp->count_values = value_count; |
||
2291 | |||
2292 | if (property->flags & DRM_MODE_PROP_ENUM) { |
||
2293 | if ((out_resp->count_enum_blobs >= enum_count) && enum_count) { |
||
2294 | copied = 0; |
||
2295 | enum_ptr = (struct drm_mode_property_enum *)(unsigned long)out_resp->enum_blob_ptr; |
||
2296 | list_for_each_entry(prop_enum, &property->enum_blob_list, head) { |
||
2297 | |||
2298 | if (copy_to_user(&enum_ptr[copied].value, &prop_enum->value, sizeof(uint64_t))) { |
||
2299 | ret = -EFAULT; |
||
2300 | goto done; |
||
2301 | } |
||
2302 | |||
2303 | if (copy_to_user(&enum_ptr[copied].name, |
||
2304 | &prop_enum->name, DRM_PROP_NAME_LEN)) { |
||
2305 | ret = -EFAULT; |
||
2306 | goto done; |
||
2307 | } |
||
2308 | copied++; |
||
2309 | } |
||
2310 | } |
||
2311 | out_resp->count_enum_blobs = enum_count; |
||
2312 | } |
||
2313 | |||
2314 | if (property->flags & DRM_MODE_PROP_BLOB) { |
||
2315 | if ((out_resp->count_enum_blobs >= blob_count) && blob_count) { |
||
2316 | copied = 0; |
||
2317 | blob_id_ptr = (uint32_t *)(unsigned long)out_resp->enum_blob_ptr; |
||
2318 | blob_length_ptr = (uint32_t *)(unsigned long)out_resp->values_ptr; |
||
2319 | |||
2320 | list_for_each_entry(prop_blob, &property->enum_blob_list, head) { |
||
2321 | if (put_user(prop_blob->base.id, blob_id_ptr + copied)) { |
||
2322 | ret = -EFAULT; |
||
2323 | goto done; |
||
2324 | } |
||
2325 | |||
2326 | if (put_user(prop_blob->length, blob_length_ptr + copied)) { |
||
2327 | ret = -EFAULT; |
||
2328 | goto done; |
||
2329 | } |
||
2330 | |||
2331 | copied++; |
||
2332 | } |
||
2333 | } |
||
2334 | out_resp->count_enum_blobs = blob_count; |
||
2335 | } |
||
2336 | done: |
||
1179 | serge | 2337 | mutex_unlock(&dev->mode_config.mutex); |
1123 | serge | 2338 | return ret; |
2339 | } |
||
2340 | #endif |
||
2341 | |||
2342 | static struct drm_property_blob *drm_property_create_blob(struct drm_device *dev, int length, |
||
2343 | void *data) |
||
2344 | { |
||
2345 | struct drm_property_blob *blob; |
||
2346 | |||
2347 | if (!length || !data) |
||
2348 | return NULL; |
||
2349 | |||
2350 | blob = kzalloc(sizeof(struct drm_property_blob)+length, GFP_KERNEL); |
||
2351 | if (!blob) |
||
2352 | return NULL; |
||
2353 | |||
2354 | blob->data = (void *)((char *)blob + sizeof(struct drm_property_blob)); |
||
2355 | blob->length = length; |
||
2356 | |||
2357 | memcpy(blob->data, data, length); |
||
2358 | |||
2359 | drm_mode_object_get(dev, &blob->base, DRM_MODE_OBJECT_BLOB); |
||
2360 | |||
2361 | list_add_tail(&blob->head, &dev->mode_config.property_blob_list); |
||
2362 | return blob; |
||
2363 | } |
||
2364 | |||
2365 | static void drm_property_destroy_blob(struct drm_device *dev, |
||
2366 | struct drm_property_blob *blob) |
||
2367 | { |
||
2368 | drm_mode_object_put(dev, &blob->base); |
||
2369 | list_del(&blob->head); |
||
2370 | kfree(blob); |
||
2371 | } |
||
2372 | |||
2373 | #if 0 |
||
2374 | int drm_mode_getblob_ioctl(struct drm_device *dev, |
||
2375 | void *data, struct drm_file *file_priv) |
||
2376 | { |
||
2377 | struct drm_mode_object *obj; |
||
2378 | struct drm_mode_get_blob *out_resp = data; |
||
2379 | struct drm_property_blob *blob; |
||
2380 | int ret = 0; |
||
2381 | void *blob_ptr; |
||
2382 | |||
1963 | serge | 2383 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2384 | return -EINVAL; |
||
2385 | |||
1123 | serge | 2386 | mutex_lock(&dev->mode_config.mutex); |
2387 | obj = drm_mode_object_find(dev, out_resp->blob_id, DRM_MODE_OBJECT_BLOB); |
||
2388 | if (!obj) { |
||
2389 | ret = -EINVAL; |
||
2390 | goto done; |
||
2391 | } |
||
2392 | blob = obj_to_blob(obj); |
||
2393 | |||
2394 | if (out_resp->length == blob->length) { |
||
2395 | blob_ptr = (void *)(unsigned long)out_resp->data; |
||
2396 | if (copy_to_user(blob_ptr, blob->data, blob->length)){ |
||
2397 | ret = -EFAULT; |
||
2398 | goto done; |
||
2399 | } |
||
2400 | } |
||
2401 | out_resp->length = blob->length; |
||
2402 | |||
2403 | done: |
||
2404 | mutex_unlock(&dev->mode_config.mutex); |
||
2405 | return ret; |
||
2406 | } |
||
2407 | #endif |
||
2408 | |||
2409 | int drm_mode_connector_update_edid_property(struct drm_connector *connector, |
||
2410 | struct edid *edid) |
||
2411 | { |
||
2412 | struct drm_device *dev = connector->dev; |
||
1963 | serge | 2413 | int ret = 0, size; |
1123 | serge | 2414 | |
2415 | if (connector->edid_blob_ptr) |
||
2416 | drm_property_destroy_blob(dev, connector->edid_blob_ptr); |
||
2417 | |||
2418 | /* Delete edid, when there is none. */ |
||
2419 | if (!edid) { |
||
2420 | connector->edid_blob_ptr = NULL; |
||
2421 | ret = drm_connector_property_set_value(connector, dev->mode_config.edid_property, 0); |
||
2422 | return ret; |
||
2423 | } |
||
2424 | |||
1963 | serge | 2425 | size = EDID_LENGTH * (1 + edid->extensions); |
2426 | connector->edid_blob_ptr = drm_property_create_blob(connector->dev, |
||
2427 | size, edid); |
||
1123 | serge | 2428 | |
2429 | ret = drm_connector_property_set_value(connector, |
||
2430 | dev->mode_config.edid_property, |
||
2431 | connector->edid_blob_ptr->base.id); |
||
2432 | |||
2433 | return ret; |
||
2434 | } |
||
2435 | EXPORT_SYMBOL(drm_mode_connector_update_edid_property); |
||
2436 | |||
2437 | #if 0 |
||
2438 | int drm_mode_connector_property_set_ioctl(struct drm_device *dev, |
||
2439 | void *data, struct drm_file *file_priv) |
||
2440 | { |
||
2441 | struct drm_mode_connector_set_property *out_resp = data; |
||
2442 | struct drm_mode_object *obj; |
||
2443 | struct drm_property *property; |
||
2444 | struct drm_connector *connector; |
||
2445 | int ret = -EINVAL; |
||
2446 | int i; |
||
2447 | |||
1963 | serge | 2448 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2449 | return -EINVAL; |
||
2450 | |||
1179 | serge | 2451 | mutex_lock(&dev->mode_config.mutex); |
1123 | serge | 2452 | |
2453 | obj = drm_mode_object_find(dev, out_resp->connector_id, DRM_MODE_OBJECT_CONNECTOR); |
||
2454 | if (!obj) { |
||
2455 | goto out; |
||
2456 | } |
||
2457 | connector = obj_to_connector(obj); |
||
2458 | |||
2459 | for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { |
||
2460 | if (connector->property_ids[i] == out_resp->prop_id) |
||
2461 | break; |
||
2462 | } |
||
2463 | |||
2464 | if (i == DRM_CONNECTOR_MAX_PROPERTY) { |
||
2465 | goto out; |
||
2466 | } |
||
2467 | |||
2468 | obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY); |
||
2469 | if (!obj) { |
||
2470 | goto out; |
||
2471 | } |
||
2472 | property = obj_to_property(obj); |
||
2473 | |||
2474 | if (property->flags & DRM_MODE_PROP_IMMUTABLE) |
||
2475 | goto out; |
||
2476 | |||
2477 | if (property->flags & DRM_MODE_PROP_RANGE) { |
||
2478 | if (out_resp->value < property->values[0]) |
||
2479 | goto out; |
||
2480 | |||
2481 | if (out_resp->value > property->values[1]) |
||
2482 | goto out; |
||
2483 | } else { |
||
2484 | int found = 0; |
||
2485 | for (i = 0; i < property->num_values; i++) { |
||
2486 | if (property->values[i] == out_resp->value) { |
||
2487 | found = 1; |
||
2488 | break; |
||
2489 | } |
||
2490 | } |
||
2491 | if (!found) { |
||
2492 | goto out; |
||
2493 | } |
||
2494 | } |
||
2495 | |||
2496 | /* Do DPMS ourselves */ |
||
2497 | if (property == connector->dev->mode_config.dpms_property) { |
||
2498 | if (connector->funcs->dpms) |
||
2499 | (*connector->funcs->dpms)(connector, (int) out_resp->value); |
||
2500 | ret = 0; |
||
2501 | } else if (connector->funcs->set_property) |
||
2502 | ret = connector->funcs->set_property(connector, property, out_resp->value); |
||
2503 | |||
1321 | serge | 2504 | /* store the property value if successful */ |
1123 | serge | 2505 | if (!ret) |
2506 | drm_connector_property_set_value(connector, property, out_resp->value); |
||
2507 | out: |
||
1179 | serge | 2508 | mutex_unlock(&dev->mode_config.mutex); |
1123 | serge | 2509 | return ret; |
2510 | } |
||
2511 | #endif |
||
2512 | |||
2513 | int drm_mode_connector_attach_encoder(struct drm_connector *connector, |
||
2514 | struct drm_encoder *encoder) |
||
2515 | { |
||
2516 | int i; |
||
2517 | |||
2518 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { |
||
2519 | if (connector->encoder_ids[i] == 0) { |
||
2520 | connector->encoder_ids[i] = encoder->base.id; |
||
2521 | return 0; |
||
2522 | } |
||
2523 | } |
||
2524 | return -ENOMEM; |
||
2525 | } |
||
2526 | EXPORT_SYMBOL(drm_mode_connector_attach_encoder); |
||
2527 | |||
2528 | void drm_mode_connector_detach_encoder(struct drm_connector *connector, |
||
2529 | struct drm_encoder *encoder) |
||
2530 | { |
||
2531 | int i; |
||
2532 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { |
||
2533 | if (connector->encoder_ids[i] == encoder->base.id) { |
||
2534 | connector->encoder_ids[i] = 0; |
||
2535 | if (connector->encoder == encoder) |
||
2536 | connector->encoder = NULL; |
||
2537 | break; |
||
2538 | } |
||
2539 | } |
||
2540 | } |
||
2541 | EXPORT_SYMBOL(drm_mode_connector_detach_encoder); |
||
2542 | |||
2543 | bool drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc, |
||
2544 | int gamma_size) |
||
2545 | { |
||
2546 | crtc->gamma_size = gamma_size; |
||
2547 | |||
2548 | crtc->gamma_store = kzalloc(gamma_size * sizeof(uint16_t) * 3, GFP_KERNEL); |
||
2549 | if (!crtc->gamma_store) { |
||
2550 | crtc->gamma_size = 0; |
||
2551 | return false; |
||
2552 | } |
||
2553 | |||
2554 | return true; |
||
2555 | } |
||
2556 | EXPORT_SYMBOL(drm_mode_crtc_set_gamma_size); |
||
2557 | |||
2558 | #if 0 |
||
2559 | int drm_mode_gamma_set_ioctl(struct drm_device *dev, |
||
2560 | void *data, struct drm_file *file_priv) |
||
2561 | { |
||
2562 | struct drm_mode_crtc_lut *crtc_lut = data; |
||
2563 | struct drm_mode_object *obj; |
||
2564 | struct drm_crtc *crtc; |
||
2565 | void *r_base, *g_base, *b_base; |
||
2566 | int size; |
||
2567 | int ret = 0; |
||
2568 | |||
1963 | serge | 2569 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2570 | return -EINVAL; |
||
2571 | |||
1179 | serge | 2572 | mutex_lock(&dev->mode_config.mutex); |
1123 | serge | 2573 | obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC); |
2574 | if (!obj) { |
||
2575 | ret = -EINVAL; |
||
2576 | goto out; |
||
2577 | } |
||
2578 | crtc = obj_to_crtc(obj); |
||
2579 | |||
2580 | /* memcpy into gamma store */ |
||
2581 | if (crtc_lut->gamma_size != crtc->gamma_size) { |
||
2582 | ret = -EINVAL; |
||
2583 | goto out; |
||
2584 | } |
||
2585 | |||
2586 | size = crtc_lut->gamma_size * (sizeof(uint16_t)); |
||
2587 | r_base = crtc->gamma_store; |
||
2588 | if (copy_from_user(r_base, (void __user *)(unsigned long)crtc_lut->red, size)) { |
||
2589 | ret = -EFAULT; |
||
2590 | goto out; |
||
2591 | } |
||
2592 | |||
2593 | g_base = r_base + size; |
||
2594 | if (copy_from_user(g_base, (void __user *)(unsigned long)crtc_lut->green, size)) { |
||
2595 | ret = -EFAULT; |
||
2596 | goto out; |
||
2597 | } |
||
2598 | |||
2599 | b_base = g_base + size; |
||
2600 | if (copy_from_user(b_base, (void __user *)(unsigned long)crtc_lut->blue, size)) { |
||
2601 | ret = -EFAULT; |
||
2602 | goto out; |
||
2603 | } |
||
2604 | |||
1963 | serge | 2605 | crtc->funcs->gamma_set(crtc, r_base, g_base, b_base, 0, crtc->gamma_size); |
1123 | serge | 2606 | |
2607 | out: |
||
1179 | serge | 2608 | mutex_unlock(&dev->mode_config.mutex); |
1123 | serge | 2609 | return ret; |
2610 | |||
2611 | } |
||
2612 | |||
2613 | int drm_mode_gamma_get_ioctl(struct drm_device *dev, |
||
2614 | void *data, struct drm_file *file_priv) |
||
2615 | { |
||
2616 | struct drm_mode_crtc_lut *crtc_lut = data; |
||
2617 | struct drm_mode_object *obj; |
||
2618 | struct drm_crtc *crtc; |
||
2619 | void *r_base, *g_base, *b_base; |
||
2620 | int size; |
||
2621 | int ret = 0; |
||
2622 | |||
1963 | serge | 2623 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2624 | return -EINVAL; |
||
2625 | |||
1179 | serge | 2626 | mutex_lock(&dev->mode_config.mutex); |
1123 | serge | 2627 | obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC); |
2628 | if (!obj) { |
||
2629 | ret = -EINVAL; |
||
2630 | goto out; |
||
2631 | } |
||
2632 | crtc = obj_to_crtc(obj); |
||
2633 | |||
2634 | /* memcpy into gamma store */ |
||
2635 | if (crtc_lut->gamma_size != crtc->gamma_size) { |
||
2636 | ret = -EINVAL; |
||
2637 | goto out; |
||
2638 | } |
||
2639 | |||
2640 | size = crtc_lut->gamma_size * (sizeof(uint16_t)); |
||
2641 | r_base = crtc->gamma_store; |
||
2642 | if (copy_to_user((void __user *)(unsigned long)crtc_lut->red, r_base, size)) { |
||
2643 | ret = -EFAULT; |
||
2644 | goto out; |
||
2645 | } |
||
2646 | |||
2647 | g_base = r_base + size; |
||
2648 | if (copy_to_user((void __user *)(unsigned long)crtc_lut->green, g_base, size)) { |
||
2649 | ret = -EFAULT; |
||
2650 | goto out; |
||
2651 | } |
||
2652 | |||
2653 | b_base = g_base + size; |
||
2654 | if (copy_to_user((void __user *)(unsigned long)crtc_lut->blue, b_base, size)) { |
||
2655 | ret = -EFAULT; |
||
2656 | goto out; |
||
2657 | } |
||
2658 | out: |
||
1179 | serge | 2659 | mutex_unlock(&dev->mode_config.mutex); |
1123 | serge | 2660 | return ret; |
2661 | } |
||
2662 | |||
2663 | #endif |
||
1179 | serge | 2664 | |
2665 | |||
1963 | serge | 2666 | void drm_mode_config_reset(struct drm_device *dev) |
2667 | { |
||
2668 | struct drm_crtc *crtc; |
||
2669 | struct drm_encoder *encoder; |
||
2670 | struct drm_connector *connector; |
||
2671 | |||
2672 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) |
||
2673 | if (crtc->funcs->reset) |
||
2674 | crtc->funcs->reset(crtc); |
||
2675 | |||
2676 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) |
||
2677 | if (encoder->funcs->reset) |
||
2678 | encoder->funcs->reset(encoder); |
||
2679 | |||
2680 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) |
||
2681 | if (connector->funcs->reset) |
||
2682 | connector->funcs->reset(connector); |
||
2683 | } |
||
2684 | EXPORT_SYMBOL(drm_mode_config_reset);>>>>>>>>>>>>>>>>>>>>>>>>>>> |