Subversion Repositories Kolibri OS

Rev

Rev 3480 | Blame | Compare with Previous | Last modification | View Log | Download | RSS feed

  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.  
  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. }
  138.