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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 "ata_idle_notify.h"
#include "system.h"
#include <string.h>
#include "thread.h"
#include "led.h"
#include "disk.h"
#include "storage.h"
#include "panic.h"
#include "usb.h"
#include "ftl-target.h"
#include "nand-target.h"
/* for compatibility */
long last_disk_activity = -1;
/** static, private data **/
static bool initialized = false;
static long nand_stack[20];
/* API Functions */
void nand_led(bool onoff)
{
led(onoff);
}
int nand_read_sectors(IF_MD2(int drive,) unsigned long start, int incount,
void* inbuf)
{
int rc = ftl_read(start, incount, inbuf);
last_disk_activity = current_tick;
return rc;
}
int nand_write_sectors(IF_MD2(int drive,) unsigned long start, int count,
const void* outbuf)
{
int rc = ftl_write(start, count, outbuf);
last_disk_activity = current_tick;
return rc;
}
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)
{
last_disk_activity = current_tick;
nand_power_up();
}
void nand_enable(bool on)
{
(void)on;
}
void nand_get_info(IF_MD2(int drive,) struct storage_info *info)
{
uint32_t ppb = ftl_banks * (*ftl_nand_type).pagesperblock;
(*info).sector_size = SECTOR_SIZE;
(*info).num_sectors = (*ftl_nand_type).userblocks * ppb;
(*info).vendor = "Apple";
(*info).product = "iPod Nano 2G";
(*info).revision = "1.0";
}
long nand_last_disk_activity(void)
{
return last_disk_activity;
}
#ifdef HAVE_STORAGE_FLUSH
int nand_flush(void)
{
last_disk_activity = current_tick;
int rc = ftl_sync();
if (rc != 0) panicf("Failed to unmount flash: %X", rc);
return rc;
}
#endif
static void nand_thread(void)
{
while (1)
{
if (TIME_AFTER(current_tick, last_disk_activity + HZ / 5))
nand_power_down();
sleep(HZ / 10);
}
}
int nand_init(void)
{
if (ftl_init()) return 1;
last_disk_activity = current_tick;
create_thread(nand_thread, nand_stack,
sizeof(nand_stack), 0, "nand"
IF_PRIO(, PRIORITY_USER_INTERFACE)
IF_COP(, CPU));
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
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