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/*
* Copyright (C) 2013 Red Hat
* Author: Rob Clark <robdclark@gmail.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published by
* the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __MSM_CONNECTOR_H__
#define __MSM_CONNECTOR_H__
#include "msm_drv.h"
/*
* Base class for MSM connectors. Typically a connector is a bit more
* passive. But with the split between (for example) DTV within MDP4,
* and HDMI encoder, we really need two parts to an encoder. Instead
* what we do is have the part external to the display controller block
* in the connector, which is called from the encoder to delegate the
* appropriate parts of modeset.
*/
struct msm_connector;
struct msm_connector_funcs {
void (*dpms)(struct msm_connector *connector, int mode);
void (*mode_set)(struct msm_connector *connector,
struct drm_display_mode *mode);
};
struct msm_connector {
struct drm_connector base;
struct drm_encoder *encoder;
const struct msm_connector_funcs *funcs;
};
#define to_msm_connector(x) container_of(x, struct msm_connector, base)
void msm_connector_init(struct msm_connector *connector,
const struct msm_connector_funcs *funcs,
struct drm_encoder *encoder);
struct drm_encoder *msm_connector_attached_encoder(
struct drm_connector *connector);
static inline struct msm_connector *get_connector(struct drm_encoder *encoder)
{
struct msm_drm_private *priv = encoder->dev->dev_private;
int i;
for (i = 0; i < priv->num_connectors; i++) {
struct drm_connector *connector = priv->connectors[i];
if (msm_connector_attached_encoder(connector) == encoder)
return to_msm_connector(connector);
}
return NULL;
}
#endif /* __MSM_CONNECTOR_H__ */
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