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2330 | Serge | 1 | /* |
2 | * Copyright (c) 2007 Dave Airlie |
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3 | * Copyright (c) 2007, 2010 Intel Corporation |
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4 | * Jesse Barnes |
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5 | * |
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6 | * Permission is hereby granted, free of charge, to any person obtaining a |
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7 | * copy of this software and associated documentation files (the "Software"), |
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8 | * to deal in the Software without restriction, including without limitation |
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9 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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10 | * and/or sell copies of the Software, and to permit persons to whom the |
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11 | * Software is furnished to do so, subject to the following conditions: |
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12 | * |
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13 | * The above copyright notice and this permission notice (including the next |
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14 | * paragraph) shall be included in all copies or substantial portions of the |
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15 | * Software. |
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16 | * |
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17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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18 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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19 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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20 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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21 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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22 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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23 | * DEALINGS IN THE SOFTWARE. |
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24 | */ |
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25 | |||
26 | #include |
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27 | #include |
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28 | #include |
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29 | #include "drmP.h" |
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30 | #include "intel_drv.h" |
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31 | #include "i915_drv.h" |
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32 | |||
33 | /** |
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34 | * intel_ddc_probe |
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35 | * |
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36 | */ |
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37 | bool intel_ddc_probe(struct intel_encoder *intel_encoder, int ddc_bus) |
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38 | { |
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39 | struct drm_i915_private *dev_priv = intel_encoder->base.dev->dev_private; |
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40 | u8 out_buf[] = { 0x0, 0x0}; |
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41 | u8 buf[2]; |
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42 | struct i2c_msg msgs[] = { |
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43 | { |
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44 | .addr = 0x50, |
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45 | .flags = 0, |
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46 | .len = 1, |
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47 | .buf = out_buf, |
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48 | }, |
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49 | { |
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50 | .addr = 0x50, |
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51 | .flags = I2C_M_RD, |
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52 | .len = 1, |
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53 | .buf = buf, |
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54 | } |
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55 | }; |
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56 | |||
57 | return i2c_transfer(&dev_priv->gmbus[ddc_bus].adapter, msgs, 2) == 2; |
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58 | } |
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59 | |||
60 | /** |
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61 | * intel_ddc_get_modes - get modelist from monitor |
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62 | * @connector: DRM connector device to use |
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63 | * @adapter: i2c adapter |
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64 | * |
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65 | * Fetch the EDID information from @connector using the DDC bus. |
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66 | */ |
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67 | int intel_ddc_get_modes(struct drm_connector *connector, |
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68 | struct i2c_adapter *adapter) |
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69 | { |
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70 | struct edid *edid; |
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71 | int ret = 0; |
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72 | |||
73 | edid = drm_get_edid(connector, adapter); |
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74 | if (edid) { |
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75 | drm_mode_connector_update_edid_property(connector, edid); |
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76 | ret = drm_add_edid_modes(connector, edid); |
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77 | connector->display_info.raw_edid = NULL; |
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78 | kfree(edid); |
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79 | } |
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80 | |||
81 | return ret; |
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82 | } |
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83 | |||
84 | static const char *force_audio_names[] = { |
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85 | "off", |
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86 | "auto", |
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87 | "on", |
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88 | }; |
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89 | |||
90 | void |
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91 | intel_attach_force_audio_property(struct drm_connector *connector) |
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92 | { |
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93 | struct drm_device *dev = connector->dev; |
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94 | struct drm_i915_private *dev_priv = dev->dev_private; |
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95 | struct drm_property *prop; |
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96 | int i; |
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97 | #if 0 |
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98 | prop = dev_priv->force_audio_property; |
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99 | if (prop == NULL) { |
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100 | prop = drm_property_create(dev, DRM_MODE_PROP_ENUM, |
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101 | "audio", |
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102 | ARRAY_SIZE(force_audio_names)); |
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103 | if (prop == NULL) |
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104 | return; |
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105 | |||
106 | for (i = 0; i < ARRAY_SIZE(force_audio_names); i++) |
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107 | drm_property_add_enum(prop, i, i-1, force_audio_names[i]); |
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108 | |||
109 | dev_priv->force_audio_property = prop; |
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110 | } |
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111 | drm_connector_attach_property(connector, prop, 0); |
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112 | #endif |
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113 | } |
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114 | |||
115 | static const char *broadcast_rgb_names[] = { |
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116 | "Full", |
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117 | "Limited 16:235", |
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118 | }; |
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119 | |||
120 | void |
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121 | intel_attach_broadcast_rgb_property(struct drm_connector *connector) |
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122 | { |
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123 | struct drm_device *dev = connector->dev; |
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124 | struct drm_i915_private *dev_priv = dev->dev_private; |
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125 | struct drm_property *prop; |
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126 | int i; |
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127 | #if 0 |
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128 | prop = dev_priv->broadcast_rgb_property; |
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129 | if (prop == NULL) { |
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130 | prop = drm_property_create(dev, DRM_MODE_PROP_ENUM, |
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131 | "Broadcast RGB", |
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132 | ARRAY_SIZE(broadcast_rgb_names)); |
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133 | if (prop == NULL) |
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134 | return; |
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135 | |||
136 | for (i = 0; i < ARRAY_SIZE(broadcast_rgb_names); i++) |
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137 | drm_property_add_enum(prop, i, i, broadcast_rgb_names[i]); |
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138 | |||
139 | dev_priv->broadcast_rgb_property = prop; |
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140 | } |
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141 | |||
142 | drm_connector_attach_property(connector, prop, 0); |
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143 | #endif |
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144 | }>> |