drm/i915: Update to Linux 3.9.11
[dragonfly.git] / sys / dev / drm / i915 / intel_modes.c
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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
2c84b0b6 26#include <linux/i2c.h>
18e26a6d 27#include <drm/drm_edid.h>
a2fdbec6 28#include <drm/drmP.h>
5718399f 29#include "intel_drv.h"
18e26a6d 30#include "i915_drv.h"
575ea5a0 31
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32/**
33 * intel_connector_update_modes - update connector from edid
34 * @connector: DRM connector device to use
35 * @edid: previously read EDID information
36 */
37int intel_connector_update_modes(struct drm_connector *connector,
38 struct edid *edid)
39{
40 int ret;
41
42 drm_mode_connector_update_edid_property(connector, edid);
43 ret = drm_add_edid_modes(connector, edid);
44 drm_edid_to_eld(connector, edid);
45
46 return ret;
47}
48
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49/**
50 * intel_ddc_get_modes - get modelist from monitor
51 * @connector: DRM connector device to use
52 * @adapter: i2c adapter
53 *
54 * Fetch the EDID information from @connector using the DDC bus.
55 */
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56int intel_ddc_get_modes(struct drm_connector *connector,
57 device_t adapter)
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58{
59 struct edid *edid;
2c84b0b6 60 int ret;
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61
62 edid = drm_get_edid(connector, adapter);
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63 if (!edid)
64 return 0;
65
66 ret = intel_connector_update_modes(connector, edid);
5a3b77d5 67 kfree(edid, M_DRM);
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68
69 return ret;
70}
71
72static const struct drm_prop_enum_list force_audio_names[] = {
73 { HDMI_AUDIO_OFF_DVI, "force-dvi" },
74 { HDMI_AUDIO_OFF, "off" },
75 { HDMI_AUDIO_AUTO, "auto" },
76 { HDMI_AUDIO_ON, "on" },
77};
78
79void
80intel_attach_force_audio_property(struct drm_connector *connector)
81{
82 struct drm_device *dev = connector->dev;
83 struct drm_i915_private *dev_priv = dev->dev_private;
84 struct drm_property *prop;
85
86 prop = dev_priv->force_audio_property;
87 if (prop == NULL) {
88 prop = drm_property_create_enum(dev, 0,
89 "audio",
90 force_audio_names,
2c84b0b6 91 ARRAY_SIZE(force_audio_names));
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92 if (prop == NULL)
93 return;
94
95 dev_priv->force_audio_property = prop;
96 }
b5162e19 97 drm_object_attach_property(&connector->base, prop, 0);
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98}
99
100static const struct drm_prop_enum_list broadcast_rgb_names[] = {
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101 { INTEL_BROADCAST_RGB_AUTO, "Automatic" },
102 { INTEL_BROADCAST_RGB_FULL, "Full" },
103 { INTEL_BROADCAST_RGB_LIMITED, "Limited 16:235" },
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104};
105
106void
107intel_attach_broadcast_rgb_property(struct drm_connector *connector)
108{
109 struct drm_device *dev = connector->dev;
110 struct drm_i915_private *dev_priv = dev->dev_private;
111 struct drm_property *prop;
112
113 prop = dev_priv->broadcast_rgb_property;
114 if (prop == NULL) {
115 prop = drm_property_create_enum(dev, DRM_MODE_PROP_ENUM,
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116 "Broadcast RGB",
117 broadcast_rgb_names,
118 ARRAY_SIZE(broadcast_rgb_names));
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119 if (prop == NULL)
120 return;
121
122 dev_priv->broadcast_rgb_property = prop;
123 }
124
b5162e19 125 drm_object_attach_property(&connector->base, prop, 0);
575ea5a0 126}