drivers/amlogic/drm/meson_drv.h

/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
/*
 * Copyright (c) 2019 Amlogic, Inc. All rights reserved.
 */

#ifndef __AM_MESON_DRV_H
#define __AM_MESON_DRV_H

#include <linux/platform_device.h>
#include <linux/of.h>
#include <drm/drmP.h>
#ifdef CONFIG_DRM_MESON_USE_ION
#include <ion/ion.h>
#endif
#include "../../gpu/drm/drm_internal.h"

#define MESON_MAX_CRTC		2
#define MESON_MAX_OSD		4

/*
 * Amlogic drm private crtc funcs.
 * @loader_protect: protect loader logo crtc's power
 * @enable_vblank: enable crtc vblank irq.
 * @disable_vblank: disable crtc vblank irq.
 */
struct meson_crtc_funcs {
	int (*loader_protect)(struct drm_crtc *crtc, bool on);
	int (*enable_vblank)(struct drm_crtc *crtc);
	void (*disable_vblank)(struct drm_crtc *crtc);
};

struct meson_drm {
	struct device *dev;

	struct drm_device *drm;
	struct drm_crtc *crtc;
	const struct meson_crtc_funcs *crtc_funcs[MESON_MAX_CRTC];
	struct drm_fbdev_cma *fbdev;
	struct drm_fb_helper *fbdev_helper;
	struct drm_gem_object *fbdev_bo;
	struct drm_plane *primary_plane;
	struct drm_plane *cursor_plane;
	struct meson_vpu_pipeline *pipeline;
	struct meson_vpu_funcs *funcs;
	struct am_meson_logo *logo;

	u32 num_crtcs;
	struct am_meson_crtc *crtcs[MESON_MAX_CRTC];

	u32 num_planes;
	struct am_osd_plane *planes[MESON_MAX_OSD];
};

static inline int meson_vpu_is_compatible(struct meson_drm *priv,
					  const char *compat)
{
	return of_device_is_compatible(priv->dev->of_node, compat);
}

int am_meson_register_crtc_funcs(struct drm_crtc *crtc,
				 const struct meson_crtc_funcs *crtc_funcs);
void am_meson_unregister_crtc_funcs(struct drm_crtc *crtc);
struct drm_connector *am_meson_hdmi_connector(void);

#endif /* __AM_MESON_DRV_H */