/* * Copyright (c) 2007 Dave Airlie <airlied@linux.ie> * Copyright (c) 2007, 2010 Intel Corporation * Jesse Barnes <jesse.barnes@intel.com> * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. */ #include <linux/slab.h> #include <linux/i2c.h> #include <linux/fb.h> #include <drm/drm_edid.h> #include <drm/drmP.h> #include "intel_drv.h" #include "i915_drv.h" /** * intel_connector_update_modes - update connector from edid * @connector: DRM connector device to use * @edid: previously read EDID information */ int intel_connector_update_modes(struct drm_connector *connector, struct edid *edid) { int ret; drm_mode_connector_update_edid_property(connector, edid); ret = drm_add_edid_modes(connector, edid); drm_edid_to_eld(connector, edid); return ret; } /** * intel_ddc_get_modes - get modelist from monitor * @connector: DRM connector device to use * @adapter: i2c adapter * * Fetch the EDID information from @connector using the DDC bus. */ int intel_ddc_get_modes(struct drm_connector *connector, struct i2c_adapter *adapter) { struct edid *edid; int ret; edid = drm_get_edid(connector, adapter); if (!edid) return 0; ret = intel_connector_update_modes(connector, edid); kfree(edid); return ret; } static const struct drm_prop_enum_list force_audio_names[] = { { HDMI_AUDIO_OFF_DVI, "force-dvi" }, { HDMI_AUDIO_OFF, "off" }, { HDMI_AUDIO_AUTO, "auto" }, { HDMI_AUDIO_ON, "on" }, }; void intel_attach_force_audio_property(struct drm_connector *connector) { struct drm_device *dev = connector->dev; struct drm_i915_private *dev_priv = dev->dev_private; struct drm_property *prop; prop = dev_priv->force_audio_property; if (prop == NULL) { prop = drm_property_create_enum(dev, 0, "audio", force_audio_names, ARRAY_SIZE(force_audio_names)); if (prop == NULL) return; dev_priv->force_audio_property = prop; } drm_object_attach_property(&connector->base, prop, 0); } static const struct drm_prop_enum_list broadcast_rgb_names[] = { { INTEL_BROADCAST_RGB_AUTO, "Automatic" }, { INTEL_BROADCAST_RGB_FULL, "Full" }, { INTEL_BROADCAST_RGB_LIMITED, "Limited 16:235" }, }; void intel_attach_broadcast_rgb_property(struct drm_connector *connector) { struct drm_device *dev = connector->dev; struct drm_i915_private *dev_priv = dev->dev_private; struct drm_property *prop; prop = dev_priv->broadcast_rgb_property; if (prop == NULL) { prop = drm_property_create_enum(dev, DRM_MODE_PROP_ENUM, "Broadcast RGB", broadcast_rgb_names, ARRAY_SIZE(broadcast_rgb_names)); if (prop == NULL) return; dev_priv->broadcast_rgb_property = prop; } drm_object_attach_property(&connector->base, prop, 0); } void intel_attach_aspect_ratio_property(struct drm_connector *connector) { if (!drm_mode_create_aspect_ratio_property(connector->dev)) drm_object_attach_property(&connector->base, connector->dev->mode_config.aspect_ratio_property, DRM_MODE_PICTURE_ASPECT_NONE); }