1 | /* |
2 | * Copyright (c) 2007 Dave Airlie <airlied@linux.ie> |
3 | * Copyright (c) 2007, 2010 Intel Corporation |
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 | |
26 | #include <linux/slab.h> |
27 | #include <linux/i2c.h> |
28 | #include <linux/fb.h> |
29 | #include <drm/drm_edid.h> |
30 | #include <drm/drmP.h> |
31 | #include "intel_drv.h" |
32 | #include "i915_drv.h" |
33 | |
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); |
47 | |
48 | return ret; |
49 | } |
50 | |
51 | /** |
52 | * intel_ddc_get_modes - get modelist from monitor |
53 | * @connector: DRM connector device to use |
54 | * @adapter: i2c adapter |
55 | * |
56 | * Fetch the EDID information from @connector using the DDC bus. |
57 | */ |
58 | int intel_ddc_get_modes(struct drm_connector *connector, |
59 | struct i2c_adapter *adapter) |
60 | { |
61 | struct edid *edid; |
62 | int ret; |
63 | |
64 | edid = drm_get_edid(connector, adapter); |
65 | if (!edid) |
66 | return 0; |
67 | |
68 | ret = intel_connector_update_modes(connector, edid); |
69 | kfree(edid); |
70 | |
71 | return ret; |
72 | } |
73 | |
74 | static const struct drm_prop_enum_list force_audio_names[] = { |
75 | { HDMI_AUDIO_OFF_DVI, "force-dvi" }, |
76 | { HDMI_AUDIO_OFF, "off" }, |
77 | { HDMI_AUDIO_AUTO, "auto" }, |
78 | { HDMI_AUDIO_ON, "on" }, |
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; |
87 | |
88 | prop = dev_priv->force_audio_property; |
89 | if (prop == NULL) { |
90 | prop = drm_property_create_enum(dev, 0, |
91 | "audio" , |
92 | force_audio_names, |
93 | ARRAY_SIZE(force_audio_names)); |
94 | if (prop == NULL) |
95 | return; |
96 | |
97 | dev_priv->force_audio_property = prop; |
98 | } |
99 | drm_object_attach_property(&connector->base, prop, 0); |
100 | } |
101 | |
102 | static const struct drm_prop_enum_list broadcast_rgb_names[] = { |
103 | { INTEL_BROADCAST_RGB_AUTO, "Automatic" }, |
104 | { INTEL_BROADCAST_RGB_FULL, "Full" }, |
105 | { INTEL_BROADCAST_RGB_LIMITED, "Limited 16:235" }, |
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; |
114 | |
115 | prop = dev_priv->broadcast_rgb_property; |
116 | if (prop == NULL) { |
117 | prop = drm_property_create_enum(dev, DRM_MODE_PROP_ENUM, |
118 | "Broadcast RGB" , |
119 | broadcast_rgb_names, |
120 | ARRAY_SIZE(broadcast_rgb_names)); |
121 | if (prop == NULL) |
122 | return; |
123 | |
124 | dev_priv->broadcast_rgb_property = prop; |
125 | } |
126 | |
127 | drm_object_attach_property(&connector->base, prop, 0); |
128 | } |
129 | |