2 * Copyright (c) 2007 Dave Airlie <airlied@linux.ie>
3 * Copyright (c) 2007, 2010 Intel Corporation
4 * Jesse Barnes <jesse.barnes@intel.com>
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:
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
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.
25 * $FreeBSD: head/sys/dev/drm2/i915/intel_modes.c 249041 2013-04-03 08:27:35Z dumbbell $
29 #include <drm/drm_edid.h>
30 #include "intel_drv.h"
32 #include <bus/iicbus/iiconf.h>
38 bool intel_ddc_probe(struct intel_encoder *intel_encoder, int ddc_bus)
40 struct drm_i915_private *dev_priv = intel_encoder->base.dev->dev_private;
41 u8 out_buf[] = { 0x0, 0x0};
43 struct iic_msg msgs[] = {
45 .slave = DDC_ADDR << 1,
51 .slave = DDC_ADDR << 1,
58 return (iicbus_transfer(dev_priv->gmbus[ddc_bus], msgs, 2)
63 * intel_ddc_get_modes - get modelist from monitor
64 * @connector: DRM connector device to use
65 * @adapter: i2c adapter
67 * Fetch the EDID information from @connector using the DDC bus.
70 intel_ddc_get_modes(struct drm_connector *connector, device_t adapter)
75 edid = drm_get_edid(connector, adapter);
77 drm_mode_connector_update_edid_property(connector, edid);
78 ret = drm_add_edid_modes(connector, edid);
79 drm_edid_to_eld(connector, edid);
80 drm_free(edid, DRM_MEM_KMS);
86 static const struct drm_prop_enum_list force_audio_names[] = {
87 { HDMI_AUDIO_OFF_DVI, "force-dvi" },
88 { HDMI_AUDIO_OFF, "off" },
89 { HDMI_AUDIO_AUTO, "auto" },
90 { HDMI_AUDIO_ON, "on" },
94 intel_attach_force_audio_property(struct drm_connector *connector)
96 struct drm_device *dev = connector->dev;
97 struct drm_i915_private *dev_priv = dev->dev_private;
98 struct drm_property *prop;
100 prop = dev_priv->force_audio_property;
102 prop = drm_property_create_enum(dev, 0,
105 DRM_ARRAY_SIZE(force_audio_names));
109 dev_priv->force_audio_property = prop;
111 drm_object_attach_property(&connector->base, prop, 0);
114 static const struct drm_prop_enum_list broadcast_rgb_names[] = {
116 { 1, "Limited 16:235" },
120 intel_attach_broadcast_rgb_property(struct drm_connector *connector)
122 struct drm_device *dev = connector->dev;
123 struct drm_i915_private *dev_priv = dev->dev_private;
124 struct drm_property *prop;
126 prop = dev_priv->broadcast_rgb_property;
128 prop = drm_property_create_enum(dev, DRM_MODE_PROP_ENUM,
131 DRM_ARRAY_SIZE(broadcast_rgb_names));
135 dev_priv->broadcast_rgb_property = prop;
138 drm_object_attach_property(&connector->base, prop, 0);