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| Rev | Author | Line No. | Line |
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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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| 2342 | Serge | 29 | #include |
| 2330 | Serge | 30 | #include "drmP.h" |
| 31 | #include "intel_drv.h" |
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| 32 | #include "i915_drv.h" |
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| 33 | |||
| 34 | /** |
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| 35 | * intel_ddc_probe |
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| 36 | * |
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| 37 | */ |
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| 38 | bool intel_ddc_probe(struct intel_encoder *intel_encoder, int ddc_bus) |
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| 39 | { |
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| 40 | struct drm_i915_private *dev_priv = intel_encoder->base.dev->dev_private; |
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| 41 | u8 out_buf[] = { 0x0, 0x0}; |
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| 42 | u8 buf[2]; |
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| 43 | struct i2c_msg msgs[] = { |
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| 44 | { |
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| 45 | .addr = 0x50, |
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| 46 | .flags = 0, |
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| 47 | .len = 1, |
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| 48 | .buf = out_buf, |
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| 49 | }, |
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| 50 | { |
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| 51 | .addr = 0x50, |
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| 52 | .flags = I2C_M_RD, |
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| 53 | .len = 1, |
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| 54 | .buf = buf, |
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| 55 | } |
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| 56 | }; |
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| 57 | |||
| 58 | return i2c_transfer(&dev_priv->gmbus[ddc_bus].adapter, msgs, 2) == 2; |
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| 59 | } |
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| 60 | |||
| 61 | /** |
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| 62 | * intel_ddc_get_modes - get modelist from monitor |
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| 63 | * @connector: DRM connector device to use |
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| 64 | * @adapter: i2c adapter |
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| 65 | * |
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| 66 | * Fetch the EDID information from @connector using the DDC bus. |
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| 67 | */ |
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| 68 | int intel_ddc_get_modes(struct drm_connector *connector, |
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| 69 | struct i2c_adapter *adapter) |
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| 70 | { |
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| 71 | struct edid *edid; |
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| 72 | int ret = 0; |
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| 73 | |||
| 74 | edid = drm_get_edid(connector, adapter); |
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| 75 | if (edid) { |
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| 76 | drm_mode_connector_update_edid_property(connector, edid); |
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| 77 | ret = drm_add_edid_modes(connector, edid); |
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| 2342 | Serge | 78 | drm_edid_to_eld(connector, edid); |
| 2330 | Serge | 79 | connector->display_info.raw_edid = NULL; |
| 80 | kfree(edid); |
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| 81 | } |
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| 82 | |||
| 83 | return ret; |
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| 84 | } |
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| 85 | |||
| 86 | static const char *force_audio_names[] = { |
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| 87 | "off", |
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| 88 | "auto", |
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| 89 | "on", |
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| 90 | }; |
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| 91 | |||
| 92 | void |
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| 93 | intel_attach_force_audio_property(struct drm_connector *connector) |
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| 94 | { |
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| 95 | struct drm_device *dev = connector->dev; |
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| 96 | struct drm_i915_private *dev_priv = dev->dev_private; |
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| 97 | struct drm_property *prop; |
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| 98 | int i; |
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| 99 | #if 0 |
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| 100 | prop = dev_priv->force_audio_property; |
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| 101 | if (prop == NULL) { |
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| 102 | prop = drm_property_create(dev, DRM_MODE_PROP_ENUM, |
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| 103 | "audio", |
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| 104 | ARRAY_SIZE(force_audio_names)); |
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| 105 | if (prop == NULL) |
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| 106 | return; |
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| 107 | |||
| 108 | for (i = 0; i < ARRAY_SIZE(force_audio_names); i++) |
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| 109 | drm_property_add_enum(prop, i, i-1, force_audio_names[i]); |
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| 110 | |||
| 111 | dev_priv->force_audio_property = prop; |
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| 112 | } |
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| 113 | drm_connector_attach_property(connector, prop, 0); |
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| 114 | #endif |
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| 115 | } |
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| 116 | |||
| 117 | static const char *broadcast_rgb_names[] = { |
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| 118 | "Full", |
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| 119 | "Limited 16:235", |
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| 120 | }; |
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| 121 | |||
| 122 | void |
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| 123 | intel_attach_broadcast_rgb_property(struct drm_connector *connector) |
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| 124 | { |
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| 125 | struct drm_device *dev = connector->dev; |
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| 126 | struct drm_i915_private *dev_priv = dev->dev_private; |
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| 127 | struct drm_property *prop; |
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| 128 | int i; |
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| 129 | #if 0 |
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| 130 | prop = dev_priv->broadcast_rgb_property; |
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| 131 | if (prop == NULL) { |
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| 132 | prop = drm_property_create(dev, DRM_MODE_PROP_ENUM, |
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| 133 | "Broadcast RGB", |
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| 134 | ARRAY_SIZE(broadcast_rgb_names)); |
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| 135 | if (prop == NULL) |
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| 136 | return; |
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| 137 | |||
| 138 | for (i = 0; i < ARRAY_SIZE(broadcast_rgb_names); i++) |
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| 139 | drm_property_add_enum(prop, i, i, broadcast_rgb_names[i]); |
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| 140 | |||
| 141 | dev_priv->broadcast_rgb_property = prop; |
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| 142 | } |
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| 143 | |||
| 144 | drm_connector_attach_property(connector, prop, 0); |
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| 145 | #endif |
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| 146 | } |