blob: 0e860f39933d8581cce867d8a3eaa8d955edc4a9 [file] [log] [blame]
Jesse Barnes79e53942008-11-07 14:24:08 -08001/*
2 * Copyright (c) 2007 Dave Airlie <airlied@linux.ie>
Chris Wilsonf899fc62010-07-20 15:44:45 -07003 * Copyright (c) 2007, 2010 Intel Corporation
Jesse Barnes79e53942008-11-07 14:24:08 -08004 * 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
Tejun Heo5a0e3ad2010-03-24 17:04:11 +090026#include <linux/slab.h>
Jesse Barnes79e53942008-11-07 14:24:08 -080027#include <linux/i2c.h>
28#include <linux/fb.h>
Wu Fengguange0dac652011-09-05 14:25:34 +080029#include <drm/drm_edid.h>
David Howells760285e2012-10-02 18:01:07 +010030#include <drm/drmP.h>
Jesse Barnes79e53942008-11-07 14:24:08 -080031#include "intel_drv.h"
Shaohua Li0ba0e9e2009-04-07 11:02:28 +080032#include "i915_drv.h"
Jesse Barnes79e53942008-11-07 14:24:08 -080033
34/**
Jani Nikula4eab8132012-08-13 13:22:34 +030035 * intel_connector_update_modes - update connector from edid
36 * @connector: DRM connector device to use
37 * @edid: previously read EDID information
38 */
39int 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);
Jani Nikula4eab8132012-08-13 13:22:34 +030047
48 return ret;
49}
50
51/**
Jesse Barnes79e53942008-11-07 14:24:08 -080052 * intel_ddc_get_modes - get modelist from monitor
53 * @connector: DRM connector device to use
Zhenyu Wang335af9a2010-03-30 14:39:31 +080054 * @adapter: i2c adapter
Jesse Barnes79e53942008-11-07 14:24:08 -080055 *
56 * Fetch the EDID information from @connector using the DDC bus.
57 */
Zhenyu Wang335af9a2010-03-30 14:39:31 +080058int intel_ddc_get_modes(struct drm_connector *connector,
59 struct i2c_adapter *adapter)
Jesse Barnes79e53942008-11-07 14:24:08 -080060{
61 struct edid *edid;
Jani Nikulaebda95a2012-10-19 14:51:51 +030062 int ret;
Jesse Barnes79e53942008-11-07 14:24:08 -080063
Zhenyu Wang335af9a2010-03-30 14:39:31 +080064 edid = drm_get_edid(connector, adapter);
Jani Nikula4eab8132012-08-13 13:22:34 +030065 if (!edid)
66 return 0;
Jesse Barnes79e53942008-11-07 14:24:08 -080067
Jani Nikulaebda95a2012-10-19 14:51:51 +030068 ret = intel_connector_update_modes(connector, edid);
69 kfree(edid);
70
71 return ret;
Jesse Barnes79e53942008-11-07 14:24:08 -080072}
Chris Wilsone953fd72011-02-21 22:23:52 +000073
Sascha Hauer4a67d392012-02-06 10:58:17 +010074static const struct drm_prop_enum_list force_audio_names[] = {
Daniel Vetterff5f4b02012-02-23 14:54:20 +010075 { HDMI_AUDIO_OFF_DVI, "force-dvi" },
76 { HDMI_AUDIO_OFF, "off" },
77 { HDMI_AUDIO_AUTO, "auto" },
78 { HDMI_AUDIO_ON, "on" },
Chris Wilson3f43c482011-05-12 22:17:24 +010079};
80
81void
82intel_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;
Chris Wilson3f43c482011-05-12 22:17:24 +010087
88 prop = dev_priv->force_audio_property;
89 if (prop == NULL) {
Sascha Hauer4a67d392012-02-06 10:58:17 +010090 prop = drm_property_create_enum(dev, 0,
Chris Wilson3f43c482011-05-12 22:17:24 +010091 "audio",
Sascha Hauer4a67d392012-02-06 10:58:17 +010092 force_audio_names,
Chris Wilson3f43c482011-05-12 22:17:24 +010093 ARRAY_SIZE(force_audio_names));
94 if (prop == NULL)
95 return;
96
Chris Wilson3f43c482011-05-12 22:17:24 +010097 dev_priv->force_audio_property = prop;
98 }
Rob Clark662595d2012-10-11 20:36:04 -050099 drm_object_attach_property(&connector->base, prop, 0);
Chris Wilson3f43c482011-05-12 22:17:24 +0100100}
101
Sascha Hauer4a67d392012-02-06 10:58:17 +0100102static const struct drm_prop_enum_list broadcast_rgb_names[] = {
Ville Syrjälä55bc60d2013-01-17 16:31:29 +0200103 { INTEL_BROADCAST_RGB_AUTO, "Automatic" },
104 { INTEL_BROADCAST_RGB_FULL, "Full" },
105 { INTEL_BROADCAST_RGB_LIMITED, "Limited 16:235" },
Chris Wilsone953fd72011-02-21 22:23:52 +0000106};
107
108void
109intel_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;
Chris Wilsone953fd72011-02-21 22:23:52 +0000114
115 prop = dev_priv->broadcast_rgb_property;
116 if (prop == NULL) {
Sascha Hauer4a67d392012-02-06 10:58:17 +0100117 prop = drm_property_create_enum(dev, DRM_MODE_PROP_ENUM,
Chris Wilsone953fd72011-02-21 22:23:52 +0000118 "Broadcast RGB",
Sascha Hauer4a67d392012-02-06 10:58:17 +0100119 broadcast_rgb_names,
Chris Wilsone953fd72011-02-21 22:23:52 +0000120 ARRAY_SIZE(broadcast_rgb_names));
121 if (prop == NULL)
122 return;
123
Chris Wilsone953fd72011-02-21 22:23:52 +0000124 dev_priv->broadcast_rgb_property = prop;
125 }
126
Rob Clark662595d2012-10-11 20:36:04 -0500127 drm_object_attach_property(&connector->base, prop, 0);
Chris Wilsone953fd72011-02-21 22:23:52 +0000128}