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836 palkovsky 1
/*
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 * Copyright (c) 2006 Ondrej Palkovsky
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 *
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 * - Redistributions of source code must retain the above copyright
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 *   notice, this list of conditions and the following disclaimer.
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 * - Redistributions in binary form must reproduce the above copyright
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 *   notice, this list of conditions and the following disclaimer in the
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 *   documentation and/or other materials provided with the distribution.
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 * - The name of the author may not be used to endorse or promote products
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 *   derived from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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/** @addtogroup genarch
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 * @{
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 */
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/** @file
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 */
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#ifndef KERN_FB_H_
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#define KERN_FB_H_
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#include <arch/types.h>
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#include <synch/spinlock.h>
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/**
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 * Properties of the framebuffer device.
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 */
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typedef struct fb_properties {
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    /** Physical address of the framebuffer device. */
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    uintptr_t addr;
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    /**
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     * Address where the first (top left) pixel is mapped,
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     * relative to "addr".
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     */
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    unsigned int offset;   
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    /** Screen width in pixels. */
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    unsigned int x;
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    /** Screen height in pixels. */
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    unsigned int y;
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    /** Bytes per one scanline. */
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    unsigned int scan;
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    /** Color model. */
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    unsigned int visual;
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} fb_properties_t;
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SPINLOCK_EXTERN(fb_lock);
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void fb_redraw(void);
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void fb_init(fb_properties_t *props);
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#endif
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/** @}
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 */