c9667e6d23
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@23365 a1c6a512-1295-4272-9138-f99709370657
142 lines
3.3 KiB
C
142 lines
3.3 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2007 Dave Chapman
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "config.h"
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#include "ata_idle_notify.h"
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#include "system.h"
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#include <string.h>
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#include "thread.h"
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#include "disk.h"
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#include "storage.h"
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#include "panic.h"
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#include "usb.h"
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#include "ftl-target.h"
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#include "nand-target.h"
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/* for compatibility */
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long last_disk_activity = -1;
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/** static, private data **/
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static bool initialized = false;
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static long nand_stack[20];
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/* API Functions */
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int nand_read_sectors(IF_MD2(int drive,) unsigned long start, int incount,
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void* inbuf)
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{
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int rc = ftl_read(start, incount, inbuf);
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last_disk_activity = current_tick;
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return rc;
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}
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int nand_write_sectors(IF_MD2(int drive,) unsigned long start, int count,
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const void* outbuf)
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{
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int rc = ftl_write(start, count, outbuf);
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last_disk_activity = current_tick;
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return rc;
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}
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void nand_spindown(int seconds)
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{
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(void)seconds;
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}
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void nand_sleep(void)
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{
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nand_power_down();
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}
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void nand_sleepnow(void)
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{
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nand_power_down();
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}
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void nand_spin(void)
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{
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last_disk_activity = current_tick;
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}
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void nand_enable(bool on)
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{
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(void)on;
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}
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void nand_get_info(IF_MD2(int drive,) struct storage_info *info)
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{
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uint32_t ppb = ftl_banks * (*ftl_nand_type).pagesperblock;
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(*info).sector_size = SECTOR_SIZE;
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(*info).num_sectors = (*ftl_nand_type).userblocks * ppb;
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(*info).vendor = "Apple";
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(*info).product = "iPod Nano 2G";
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(*info).revision = "1.0";
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}
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long nand_last_disk_activity(void)
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{
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return last_disk_activity;
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}
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#ifdef HAVE_STORAGE_FLUSH
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int nand_flush(void)
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{
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last_disk_activity = current_tick;
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int rc = ftl_sync();
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if (rc != 0) panicf("Failed to unmount flash: %X", rc);
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return rc;
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}
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#endif
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static void nand_thread(void)
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{
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while (1)
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{
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if (TIME_AFTER(current_tick, last_disk_activity + HZ / 5))
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nand_power_down();
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sleep(HZ / 10);
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}
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}
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int nand_init(void)
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{
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if (ftl_init()) return 1;
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last_disk_activity = current_tick;
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create_thread(nand_thread, nand_stack,
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sizeof(nand_stack), 0, "nand"
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IF_PRIO(, PRIORITY_USER_INTERFACE)
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IF_COP(, CPU));
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initialized = true;
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return 0;
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}
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#ifdef CONFIG_STORAGE_MULTI
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int nand_num_drives(int first_drive)
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{
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/* We don't care which logical drive number(s) we have been assigned */
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(void)first_drive;
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return 1;
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}
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#endif
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