/*
 * Copyright (c) 2015-2020 François Tigeot <ftigeot@wolfpond.org>
 * 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 unmodified, 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 _LINUX_FB_H_
#define _LINUX_FB_H_

#include <linux/kgdb.h>
#include <uapi/linux/fb.h>

#include <linux/fs.h>
#include <linux/init.h>
#include <linux/workqueue.h>
#include <linux/notifier.h>
#include <linux/list.h>
#include <linux/backlight.h>
#include <asm/io.h>

#include <machine/framebuffer.h>

struct videomode;

#define KHZ2PICOS(a)    (1000000000UL/(a))

struct apertures_struct {
        unsigned int count;
        struct aperture {
                resource_size_t base;
                resource_size_t size;
        } ranges[0];
};

extern int remove_conflicting_framebuffers(struct apertures_struct *a,
                                           const char *name, bool primary);

extern void fb_set_suspend(struct fb_info *info, int state);

extern int fb_get_options(const char *name, char **option);

#define FBINFO_STATE_RUNNING    0
#define FBINFO_STATE_SUSPENDED  1

struct device_node;

struct fb_info * framebuffer_alloc(size_t size, struct device *dev);
void framebuffer_release(struct fb_info *info);

#endif  /* _LINUX_FB_H_ */