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rockbox/firmware/export/storage.h

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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 by Alan Korr
* Copyright (C) 2008 by Frank Gevaerts
*
* 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 __STORAGE_H__
#define __STORAGE_H__
#include <stdbool.h>
#include "config.h" /* for HAVE_MULTIDRIVE or not */
#include "mv.h"
#if (CONFIG_STORAGE & STORAGE_SD)
#include "sd.h"
#endif
#if (CONFIG_STORAGE & STORAGE_MMC)
#include "mmc.h"
#endif
#if (CONFIG_STORAGE & STORAGE_ATA)
#include "ata.h"
#endif
#if (CONFIG_STORAGE & STORAGE_NAND)
#include "nand.h"
#endif
#if (CONFIG_STORAGE & STORAGE_RAMDISK)
#include "ramdisk.h"
#endif
struct storage_info
{
unsigned int sector_size;
unsigned int num_sectors;
char *vendor;
char *product;
char *revision;
};
#if (CONFIG_STORAGE == 0)
/* stubs for the plugin api */
static inline void stub_storage_sleep(void) {}
static inline void stub_storage_spin(void) {}
static inline void stub_storage_spindown(int timeout) { (void)timeout; }
#endif
#if defined(CONFIG_STORAGE) && !defined(CONFIG_STORAGE_MULTI)
/* storage_spindown, storage_sleep and storage_spin are passed as
* pointers, which doesn't work with argument-macros.
*/
#define storage_num_drives() NUM_DRIVES
#if (CONFIG_STORAGE == 0) /* application */
#define STORAGE_FUNCTION(NAME) (stub_## NAME)
#define storage_spindown stub_storage_spindown
#define storage_sleep stub_storage_sleep
#define storage_spin stub_storage_spin
#define storage_enable(on)
#define storage_sleepnow()
#define storage_disk_is_active()
#define storage_soft_reset()
#define storage_init()
#define storage_close()
#elif (CONFIG_STORAGE & STORAGE_ATA)
#define STORAGE_FUNCTION(NAME) (ata_## NAME)
#define storage_spindown ata_spindown
#define storage_sleep ata_sleep
#define storage_spin ata_spin
#define storage_enable(on) ata_enable(on)
#define storage_sleepnow() ata_sleepnow()
#define storage_disk_is_active() ata_disk_is_active()
#define storage_soft_reset() ata_soft_reset()
#define storage_init() ata_init()
#define storage_close() ata_close()
#ifdef HAVE_STORAGE_FLUSH
#define storage_flush() (void)0
#endif
#define storage_last_disk_activity() ata_last_disk_activity()
#define storage_spinup_time() ata_spinup_time()
#define storage_get_identify() ata_get_identify()
#ifdef STORAGE_GET_INFO
#define storage_get_info(drive, info) ata_get_info(IF_MD2(drive,) info)
#endif
#ifdef HAVE_HOTSWAP
#define storage_removable(drive) ata_removable(IF_MD(drive))
#define storage_present(drive) ata_present(IF_MD(drive))
#endif
#elif (CONFIG_STORAGE & STORAGE_SD)
#define STORAGE_FUNCTION(NAME) (sd_## NAME)
#define storage_spindown sd_spindown
#define storage_sleep sd_sleep
#define storage_spin sd_spin
#define storage_enable(on) sd_enable(on)
#define storage_sleepnow() sd_sleepnow()
#define storage_disk_is_active() 0
#define storage_soft_reset() (void)0
#define storage_init() sd_init()
#define storage_close() sd_close()
#ifdef HAVE_STORAGE_FLUSH
#define storage_flush() (void)0
#endif
#define storage_last_disk_activity() sd_last_disk_activity()
#define storage_spinup_time() 0
#define storage_get_identify() sd_get_identify()
#ifdef STORAGE_GET_INFO
#define storage_get_info(drive, info) sd_get_info(IF_MD2(drive,) info)
#endif
#ifdef HAVE_HOTSWAP
#define storage_removable(drive) sd_removable(IF_MD(drive))
#define storage_present(drive) sd_present(IF_MD(drive))
#endif
#elif (CONFIG_STORAGE & STORAGE_MMC)
#define STORAGE_FUNCTION(NAME) (mmc_## NAME)
#define storage_spindown mmc_spindown
#define storage_sleep mmc_sleep
#define storage_spin mmc_spin
#define storage_enable(on) mmc_enable(on)
#define storage_sleepnow() mmc_sleepnow()
#define storage_disk_is_active() mmc_disk_is_active()
#define storage_soft_reset() (void)0
#define storage_init() mmc_init()
#ifdef HAVE_STORAGE_FLUSH
#define storage_flush() (void)0
#endif
#define storage_last_disk_activity() mmc_last_disk_activity()
#define storage_spinup_time() 0
#define storage_get_identify() mmc_get_identify()
#ifdef STORAGE_GET_INFO
#define storage_get_info(drive, info) mmc_get_info(IF_MD2(drive,) info)
#endif
#ifdef HAVE_HOTSWAP
#define storage_removable(drive) mmc_removable(IF_MD(drive))
#define storage_present(drive) mmc_present(IF_MD(drive))
#endif
#elif (CONFIG_STORAGE & STORAGE_NAND)
#define STORAGE_FUNCTION(NAME) (nand_## NAME)
#define storage_spindown nand_spindown
#define storage_sleep nand_sleep
#define storage_spin nand_spin
#define storage_enable(on) (void)0
#define storage_sleepnow() nand_sleepnow()
#define storage_disk_is_active() 0
#define storage_soft_reset() (void)0
#define storage_init() nand_init()
#ifdef HAVE_STORAGE_FLUSH
#define storage_flush() nand_flush()
#endif
#define storage_last_disk_activity() nand_last_disk_activity()
#define storage_spinup_time() 0
#define storage_get_identify() nand_get_identify()
#ifdef STORAGE_GET_INFO
#define storage_get_info(drive, info) nand_get_info(IF_MD2(drive,) info)
#endif
#ifdef HAVE_HOTSWAP
#define storage_removable(drive) nand_removable(IF_MD(drive))
#define storage_present(drive) nand_present(IF_MD(drive))
#endif
#elif (CONFIG_STORAGE & STORAGE_RAMDISK)
#define STORAGE_FUNCTION(NAME) (ramdisk_## NAME)
#define storage_spindown ramdisk_spindown
#define storage_sleep ramdisk_sleep
#define storage_spin ramdisk_spin
#define storage_enable(on) (void)0
#define storage_sleepnow() ramdisk_sleepnow()
#define storage_disk_is_active() 0
#define storage_soft_reset() (void)0
#define storage_init() ramdisk_init()
#ifdef HAVE_STORAGE_FLUSH
#define storage_flush() (void)0
#endif
#define storage_last_disk_activity() ramdisk_last_disk_activity()
#define storage_spinup_time() 0
#define storage_get_identify() ramdisk_get_identify()
#ifdef STORAGE_GET_INFO
#define storage_get_info(drive, info) ramdisk_get_info(IF_MD2(drive,) info)
#endif
#ifdef HAVE_HOTSWAP
#define storage_removable(drive) ramdisk_removable(IF_MD(drive))
#define storage_present(drive) ramdisk_present(IF_MD(drive))
#endif
#else
//#error No storage driver!
#endif
#else /* NOT CONFIG_STORAGE_MULTI and PLATFORM_NATIVE*/
/* Simulator and multi-driver use normal functions */
void storage_enable(bool on);
void storage_sleep(void);
void storage_sleepnow(void);
bool storage_disk_is_active(void);
int storage_soft_reset(void);
int storage_init(void);
int storage_flush(void);
void storage_spin(void);
void storage_spindown(int seconds);
long storage_last_disk_activity(void);
int storage_spinup_time(void);
int storage_num_drives(void);
#ifdef STORAGE_GET_INFO
void storage_get_info(int drive, struct storage_info *info);
#endif
#ifdef HAVE_HOTSWAP
bool storage_removable(int drive);
bool storage_present(int drive);
#endif
#endif /* NOT CONFIG_STORAGE_MULTI and NOT SIMULATOR*/
int storage_read_sectors(IF_MD2(int drive,) unsigned long start, int count, void* buf);
int storage_write_sectors(IF_MD2(int drive,) unsigned long start, int count, const void* buf);
#endif
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