/* $OpenBSD: rkdrm.h,v 1.5 2024/08/21 11:24:12 jsg Exp $ */
/* $NetBSD: rk_drm.h,v 1.1 2019/11/09 23:30:14 jmcneill Exp $ */
/*-
 * Copyright (c) 2019 Jared D. McNeill <jmcneill@invisible.ca>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#ifndef _ARM_RK_DRM_H
#define _ARM_RK_DRM_H

#include <dev/wscons/wsconsio.h>
#include <dev/wscons/wsdisplayvar.h>
#include <dev/rasops/rasops.h>

#include <drm/drm_framebuffer.h>
#include <drm/drm_fb_helper.h>
#include <drm/drm_fourcc.h>
#include <drm/drm_gem_dma_helper.h>

#define DRIVER_AUTHOR           "Jared McNeill"

#define DRIVER_NAME             "rk"
#define DRIVER_DESC             "Rockchip Display Subsystem"
#define DRIVER_DATE             "20191109"

#define DRIVER_MAJOR            1
#define DRIVER_MINOR            0
#define DRIVER_PATCHLEVEL       0

#define RK_DRM_MAX_CRTC 2

struct rkdrm_vblank {
        void                    *priv;
        void                    (*enable_vblank)(void *);
        void                    (*disable_vblank)(void *);
        uint32_t                (*get_vblank_counter)(void *);
};

struct rkdrm_softc {
        struct device           sc_dev;
        struct drm_device       sc_ddev;

        bus_space_tag_t         sc_iot;
        bus_dma_tag_t           sc_dmat;

        int                     sc_node;

        struct rkdrm_vblank     sc_vbl[RK_DRM_MAX_CRTC];

        void                    (*switchcb)(void *, int, int);
        void                    *switchcbarg;
        void                    *switchcookie;
        struct task             switchtask;
        struct rasops_info      ro;
        int                     console;
        int                     primary;

        struct drm_fb_helper    helper;
};

struct rkdrm_framebuffer {
        struct drm_framebuffer  base;
        struct drm_gem_dma_object *obj;
};

#define to_rkdrm_framebuffer(x) container_of(x, struct rkdrm_framebuffer, base)

#endif /* _ARM_RK_DRM_H */