[deliverable/linux.git] / drivers / gpu / drm / i915 / intel_modes.c

/*
 * 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 "drmP.h"
#include "drm_edid.h"
#include "intel_drv.h"
#include "i915_drv.h"

/**
 * 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 = 0;

	edid = drm_get_edid(connector, adapter);
	if (edid) {
		drm_mode_connector_update_edid_property(connector, edid);
		ret = drm_add_edid_modes(connector, edid);
		drm_edid_to_eld(connector, edid);
		connector->display_info.raw_edid = NULL;
		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_connector_attach_property(connector, prop, 0);
}

static const struct drm_prop_enum_list broadcast_rgb_names[] = {
	{ 0, "Full" },
	{ 1, "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_connector_attach_property(connector, prop, 0);
}
Commit	Line	Data
79e53945 JB	1	/*
79e53945 JB	2	* Copyright (c) 2007 Dave Airlie <airlied@linux.ie>
f899fc64	3	* Copyright (c) 2007, 2010 Intel Corporation
79e53945 JB	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
5a0e3ad6	26	#include <linux/slab.h>
79e53945 JB	27	#include <linux/i2c.h>
79e53945 JB	28	#include <linux/fb.h>
e0dac65e	29	#include <drm/drm_edid.h>
79e53945	30	#include "drmP.h"
5466c7b1	31	#include "drm_edid.h"
79e53945	32	#include "intel_drv.h"
0ba0e9e1	33	#include "i915_drv.h"
79e53945	34
79e53945 JB	35	/**
	36	* intel_ddc_get_modes - get modelist from monitor
	37	* @connector: DRM connector device to use
335af9a2	38	* @adapter: i2c adapter
79e53945 JB	39	*
	40	* Fetch the EDID information from @connector using the DDC bus.
	41	*/
335af9a2 ZW	42	int intel_ddc_get_modes(struct drm_connector *connector,
335af9a2 ZW	43	struct i2c_adapter *adapter)
79e53945 JB	44	{
	45	struct edid *edid;
	46	int ret = 0;
	47
335af9a2	48	edid = drm_get_edid(connector, adapter);
79e53945	49	if (edid) {
335af9a2 ZW	50	drm_mode_connector_update_edid_property(connector, edid);
335af9a2 ZW	51	ret = drm_add_edid_modes(connector, edid);
e0dac65e	52	drm_edid_to_eld(connector, edid);
335af9a2	53	connector->display_info.raw_edid = NULL;
79e53945 JB	54	kfree(edid);
	55	}
	56
	57	return ret;
	58	}
e953fd7b	59
4a67d391	60	static const struct drm_prop_enum_list force_audio_names[] = {
ff5f4b05 DV	61	{ HDMI_AUDIO_OFF_DVI, "force-dvi" },
	62	{ HDMI_AUDIO_OFF, "off" },
	63	{ HDMI_AUDIO_AUTO, "auto" },
	64	{ HDMI_AUDIO_ON, "on" },
3f43c48d CW	65	};
	66
	67	void
	68	intel_attach_force_audio_property(struct drm_connector *connector)
	69	{
	70	struct drm_device *dev = connector->dev;
	71	struct drm_i915_private *dev_priv = dev->dev_private;
	72	struct drm_property *prop;
3f43c48d CW	73
	74	prop = dev_priv->force_audio_property;
	75	if (prop == NULL) {
4a67d391	76	prop = drm_property_create_enum(dev, 0,
3f43c48d	77	"audio",
4a67d391	78	force_audio_names,
3f43c48d CW	79	ARRAY_SIZE(force_audio_names));
	80	if (prop == NULL)
	81	return;
	82
3f43c48d CW	83	dev_priv->force_audio_property = prop;
	84	}
	85	drm_connector_attach_property(connector, prop, 0);
	86	}
	87
4a67d391 SH	88	static const struct drm_prop_enum_list broadcast_rgb_names[] = {
	89	{ 0, "Full" },
	90	{ 1, "Limited 16:235" },
e953fd7b CW	91	};
	92
	93	void
	94	intel_attach_broadcast_rgb_property(struct drm_connector *connector)
	95	{
	96	struct drm_device *dev = connector->dev;
	97	struct drm_i915_private *dev_priv = dev->dev_private;
	98	struct drm_property *prop;
e953fd7b CW	99
	100	prop = dev_priv->broadcast_rgb_property;
	101	if (prop == NULL) {
4a67d391	102	prop = drm_property_create_enum(dev, DRM_MODE_PROP_ENUM,
e953fd7b	103	"Broadcast RGB",
4a67d391	104	broadcast_rgb_names,
e953fd7b CW	105	ARRAY_SIZE(broadcast_rgb_names));
	106	if (prop == NULL)
	107	return;
	108
e953fd7b CW	109	dev_priv->broadcast_rgb_property = prop;
	110	}
	111
	112	drm_connector_attach_property(connector, prop, 0);
	113	}