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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2012 by Amaury Pouly
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#ifndef __PARTITIONS_IMX233__
#define __PARTITIONS_IMX233__
#include "system.h"
#include "storage.h"
#ifndef IMX233_PARTITIONS
#error You must define IMX233_PARTITIONS
#endif
enum imx233_part_t
{
#if (IMX233_PARTITIONS & IMX233_FREESCALE)
IMX233_PART_BOOT,
IMX233_PART_DATA,
IMX233_PART_USER = IMX233_PART_DATA,
#endif
#if (IMX233_PARTITIONS & IMX233_CREATIVE)
IMX233_PART_CFS,
IMX233_PART_MINIFS,
IMX233_PART_USER = IMX233_PART_CFS,
#endif
};
/** The computation function can be called very early in the boot, at which point
* usual storage read/write function may not be available. To workaround this
* issue, one must provide a read function. */
typedef int (*part_read_fn_t)(intptr_t user, unsigned long start, int count, void* buf);
/* Enable/Disable window computations for internal storage following the
* Freescale/Creative convention */
void imx233_partitions_enable_window(bool enable);
bool imx233_partitions_is_window_enabled(void);
/* Compute the window size. The *start and *end parameters should contain
* the initial window in which the computation is done. So in particular,
* for a whole disk, *end should be the size of the disk when the function is
* called */
int imx233_partitions_compute_window(intptr_t user, part_read_fn_t read_fn,
enum imx233_part_t part, unsigned *start, unsigned *end);
#endif /* __PARTITIONS_IMX233__ */
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