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