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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2007 Dave Chapman
*
* 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.
*
****************************************************************************/
#include "config.h"
#include "system.h"
#include <string.h>
#include "thread.h"
#include "disk.h"
#include "storage.h"
#include "panic.h"
#include "usb.h"
#include "ftl-target.h"
#include "nand-target.h"
/* This file provides only STUBS for now */
/** static, private data **/
static bool initialized = false;
/* API Functions */
int nand_read_sectors(IF_MD(int drive,) unsigned long start, int incount,
void* inbuf)
{
(void)drive;
return ftl_read(start, incount, inbuf);
}
int nand_write_sectors(IF_MD(int drive,) unsigned long start, int count,
const void* outbuf)
{
(void)drive;
return ftl_write(start, count, outbuf);
}
void nand_spindown(int seconds)
{
(void)seconds;
}
void nand_sleep(void)
{
nand_power_down();
}
void nand_sleepnow(void)
{
nand_power_down();
}
void nand_spin(void)
{
nand_set_active();
}
void nand_enable(bool on)
{
(void)on;
}
void nand_get_info(IF_MD(int drive,) struct storage_info *info)
{
(void)drive;
uint32_t ppb = ftl_banks * (*ftl_nand_type).pagesperblock;
(*info).sector_size = SECTOR_SIZE;
(*info).num_sectors = (*ftl_nand_type).userblocks * ppb;
(*info).vendor = "";
(*info).product = "";
(*info).revision = "";
}
long nand_last_disk_activity(void)
{
return nand_last_activity();
}
#ifdef HAVE_STORAGE_FLUSH
int nand_flush(void)
{
int rc = ftl_sync();
if (rc != 0) panicf("Failed to unmount flash: %X", rc);
return rc;
}
#endif
int nand_init(void)
{
if (ftl_init()) return 1;
initialized = true;
return 0;
}
#ifdef CONFIG_STORAGE_MULTI
int nand_num_drives(int first_drive)
{
/* We don't care which logical drive number(s) we have been assigned */
(void)first_drive;
return 1;
}
#endif
int nand_event(long id, intptr_t data)
{
int rc = 0;
#if 0 /* The NAND functions do nothing right now; just provide template */
if (LIKELY(id == Q_STORAGE_TICK))
{
if (!nand_powered ||
TIME_BEFORE(current_tick, nand_last_activity() + HZ / 5))
{
STG_EVENT_ASSERT_ACTIVE(STORAGE_NAND);
}
}
else if (id == Q_STORAGE_SLEEPNOW)
{
nand_power_down();
}
else
{
rc = storage_event_default_handler(id, data, nand_last_activity(),
STORAGE_NAND);
}
#endif
return rc;
(void)id; (void)data;
}
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