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/* SPDX-License-Identifier: GPL-2.0 */
/*
* (C) COPYRIGHT 2018 ARM Limited. All rights reserved.
* Author: James.Qian.Wang <james.qian.wang@arm.com>
*
*/
#ifndef _KOMEDA_KMS_H_
#define _KOMEDA_KMS_H_
#include <drm/drm_atomic.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_crtc_helper.h>
#include <drm/drm_device.h>
#include <drm/drm_writeback.h>
/** struct komeda_plane - komeda instance of drm_plane */
struct komeda_plane {
/** @base: &drm_plane */
struct drm_plane base;
/**
* @layer:
*
* represents available layer input pipelines for this plane.
*
* NOTE:
* the layer is not for a specific Layer, but indicate a group of
* Layers with same capabilities.
*/
struct komeda_layer *layer;
};
/**
* struct komeda_plane_state
*
* The plane_state can be split into two data flow (left/right) and handled
* by two layers &komeda_plane.layer and &komeda_plane.layer.right
*/
struct komeda_plane_state {
/** @base: &drm_plane_state */
struct drm_plane_state base;
/* private properties */
};
/**
* struct komeda_wb_connector
*/
struct komeda_wb_connector {
/** @base: &drm_writeback_connector */
struct drm_writeback_connector base;
/** @wb_layer: represents associated writeback pipeline of komeda */
struct komeda_layer *wb_layer;
};
/**
* struct komeda_crtc
*/
struct komeda_crtc {
/** @base: &drm_crtc */
struct drm_crtc base;
/** @master: only master has display output */
struct komeda_pipeline *master;
/**
* @slave: optional
*
* Doesn't have its own display output, the handled data flow will
* merge into the master.
*/
struct komeda_pipeline *slave;
};
/** struct komeda_crtc_state */
struct komeda_crtc_state {
/** @base: &drm_crtc_state */
struct drm_crtc_state base;
/* private properties */
/* computed state which are used by validate/check */
u32 affected_pipes;
u32 active_pipes;
};
/** struct komeda_kms_dev - for gather KMS related things */
struct komeda_kms_dev {
/** @base: &drm_device */
struct drm_device base;
/** @n_crtcs: valid numbers of crtcs in &komeda_kms_dev.crtcs */
int n_crtcs;
/** @crtcs: crtcs list */
struct komeda_crtc crtcs[KOMEDA_MAX_PIPELINES];
};
#define to_kplane(p) container_of(p, struct komeda_plane, base)
#define to_kplane_st(p) container_of(p, struct komeda_plane_state, base)
#define to_kconn(p) container_of(p, struct komeda_wb_connector, base)
#define to_kcrtc(p) container_of(p, struct komeda_crtc, base)
#define to_kcrtc_st(p) container_of(p, struct komeda_crtc_state, base)
#define to_kdev(p) container_of(p, struct komeda_kms_dev, base)
int komeda_kms_setup_crtcs(struct komeda_kms_dev *kms, struct komeda_dev *mdev);
int komeda_kms_add_crtcs(struct komeda_kms_dev *kms, struct komeda_dev *mdev);
int komeda_kms_add_planes(struct komeda_kms_dev *kms, struct komeda_dev *mdev);
int komeda_kms_add_private_objs(struct komeda_kms_dev *kms,
struct komeda_dev *mdev);
void komeda_kms_cleanup_private_objs(struct komeda_dev *mdev);
struct komeda_kms_dev *komeda_kms_attach(struct komeda_dev *mdev);
void komeda_kms_detach(struct komeda_kms_dev *kms);
#endif /*_KOMEDA_KMS_H_*/
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