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79e53945 JB |
1 | /* |
2 | * Copyright (c) 2007 Dave Airlie <airlied@linux.ie> | |
f899fc64 | 3 | * Copyright (c) 2007, 2010 Intel Corporation |
79e53945 JB |
4 | * Jesse Barnes <jesse.barnes@intel.com> |
5 | * | |
6 | * Permission is hereby granted, free of charge, to any person obtaining a | |
7 | * copy of this software and associated documentation files (the "Software"), | |
8 | * to deal in the Software without restriction, including without limitation | |
9 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
10 | * and/or sell copies of the Software, and to permit persons to whom the | |
11 | * Software is furnished to do so, subject to the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice (including the next | |
14 | * paragraph) shall be included in all copies or substantial portions of the | |
15 | * Software. | |
16 | * | |
17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
18 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
19 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
20 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
21 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |
22 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | |
23 | * DEALINGS IN THE SOFTWARE. | |
24 | */ | |
25 | ||
5a0e3ad6 | 26 | #include <linux/slab.h> |
79e53945 JB |
27 | #include <linux/i2c.h> |
28 | #include <linux/fb.h> | |
e0dac65e | 29 | #include <drm/drm_edid.h> |
760285e7 | 30 | #include <drm/drmP.h> |
79e53945 | 31 | #include "intel_drv.h" |
0ba0e9e1 | 32 | #include "i915_drv.h" |
79e53945 | 33 | |
4eab8136 JN |
34 | /** |
35 | * intel_connector_update_modes - update connector from edid | |
36 | * @connector: DRM connector device to use | |
37 | * @edid: previously read EDID information | |
38 | */ | |
39 | int intel_connector_update_modes(struct drm_connector *connector, | |
40 | struct edid *edid) | |
41 | { | |
42 | int ret; | |
43 | ||
44 | drm_mode_connector_update_edid_property(connector, edid); | |
45 | ret = drm_add_edid_modes(connector, edid); | |
46 | drm_edid_to_eld(connector, edid); | |
4eab8136 JN |
47 | |
48 | return ret; | |
49 | } | |
50 | ||
79e53945 JB |
51 | /** |
52 | * intel_ddc_get_modes - get modelist from monitor | |
53 | * @connector: DRM connector device to use | |
335af9a2 | 54 | * @adapter: i2c adapter |
79e53945 JB |
55 | * |
56 | * Fetch the EDID information from @connector using the DDC bus. | |
57 | */ | |
335af9a2 ZW |
58 | int intel_ddc_get_modes(struct drm_connector *connector, |
59 | struct i2c_adapter *adapter) | |
79e53945 JB |
60 | { |
61 | struct edid *edid; | |
ebda95a9 | 62 | int ret; |
79e53945 | 63 | |
335af9a2 | 64 | edid = drm_get_edid(connector, adapter); |
4eab8136 JN |
65 | if (!edid) |
66 | return 0; | |
79e53945 | 67 | |
ebda95a9 JN |
68 | ret = intel_connector_update_modes(connector, edid); |
69 | kfree(edid); | |
70 | ||
71 | return ret; | |
79e53945 | 72 | } |
e953fd7b | 73 | |
4a67d391 | 74 | static const struct drm_prop_enum_list force_audio_names[] = { |
ff5f4b05 DV |
75 | { HDMI_AUDIO_OFF_DVI, "force-dvi" }, |
76 | { HDMI_AUDIO_OFF, "off" }, | |
77 | { HDMI_AUDIO_AUTO, "auto" }, | |
78 | { HDMI_AUDIO_ON, "on" }, | |
3f43c48d CW |
79 | }; |
80 | ||
81 | void | |
82 | intel_attach_force_audio_property(struct drm_connector *connector) | |
83 | { | |
84 | struct drm_device *dev = connector->dev; | |
85 | struct drm_i915_private *dev_priv = dev->dev_private; | |
86 | struct drm_property *prop; | |
3f43c48d CW |
87 | |
88 | prop = dev_priv->force_audio_property; | |
89 | if (prop == NULL) { | |
4a67d391 | 90 | prop = drm_property_create_enum(dev, 0, |
3f43c48d | 91 | "audio", |
4a67d391 | 92 | force_audio_names, |
3f43c48d CW |
93 | ARRAY_SIZE(force_audio_names)); |
94 | if (prop == NULL) | |
95 | return; | |
96 | ||
3f43c48d CW |
97 | dev_priv->force_audio_property = prop; |
98 | } | |
662595df | 99 | drm_object_attach_property(&connector->base, prop, 0); |
3f43c48d CW |
100 | } |
101 | ||
4a67d391 | 102 | static const struct drm_prop_enum_list broadcast_rgb_names[] = { |
55bc60db VS |
103 | { INTEL_BROADCAST_RGB_AUTO, "Automatic" }, |
104 | { INTEL_BROADCAST_RGB_FULL, "Full" }, | |
105 | { INTEL_BROADCAST_RGB_LIMITED, "Limited 16:235" }, | |
e953fd7b CW |
106 | }; |
107 | ||
108 | void | |
109 | intel_attach_broadcast_rgb_property(struct drm_connector *connector) | |
110 | { | |
111 | struct drm_device *dev = connector->dev; | |
112 | struct drm_i915_private *dev_priv = dev->dev_private; | |
113 | struct drm_property *prop; | |
e953fd7b CW |
114 | |
115 | prop = dev_priv->broadcast_rgb_property; | |
116 | if (prop == NULL) { | |
4a67d391 | 117 | prop = drm_property_create_enum(dev, DRM_MODE_PROP_ENUM, |
e953fd7b | 118 | "Broadcast RGB", |
4a67d391 | 119 | broadcast_rgb_names, |
e953fd7b CW |
120 | ARRAY_SIZE(broadcast_rgb_names)); |
121 | if (prop == NULL) | |
122 | return; | |
123 | ||
e953fd7b CW |
124 | dev_priv->broadcast_rgb_property = prop; |
125 | } | |
126 | ||
662595df | 127 | drm_object_attach_property(&connector->base, prop, 0); |
e953fd7b | 128 | } |
7949dd47 VS |
129 | |
130 | void | |
131 | intel_attach_aspect_ratio_property(struct drm_connector *connector) | |
132 | { | |
133 | if (!drm_mode_create_aspect_ratio_property(connector->dev)) | |
134 | drm_object_attach_property(&connector->base, | |
135 | connector->dev->mode_config.aspect_ratio_property, | |
136 | DRM_MODE_PICTURE_ASPECT_NONE); | |
137 | } |