firmware/export/nand.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2002 by Alan Korr
  11  * Copyright (C) 2008 by Frank Gevaerts
  12  *
  13  * This program is free software; you can redistribute it and/or
  14  * modify it under the terms of the GNU General Public License
  15  * as published by the Free Software Foundation; either version 2
  16  * of the License, or (at your option) any later version.
  17  *
  18  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  19  * KIND, either express or implied.
  20  *
  21  ****************************************************************************/
  22 #ifndef __NAND_H__
  23 #define __NAND_H__
  24
  25 #include <stdbool.h>
  26 #include "config.h"
  27 #include "mv.h" /* for HAVE_MULTIDRIVE or not */
  28
  29 struct storage_info;
  30
  31 void nand_enable(bool on);
  32 void nand_spindown(int seconds);
  33 void nand_sleep(void);
  34 void nand_sleepnow(void);
  35 bool nand_disk_is_active(void);
  36 int  nand_soft_reset(void);
  37 int  nand_init(void) STORAGE_INIT_ATTR;
  38 void nand_close(void);
  39 int  nand_read_sectors(IF_MD2(int drive,) unsigned long start, int count, void* buf);
  40 int  nand_write_sectors(IF_MD2(int drive,) unsigned long start, int count, const void* buf);
  41 #ifdef HAVE_STORAGE_FLUSH
  42 int  nand_flush(void);
  43 #endif
  44 void nand_spin(void);
  45 int  nand_spinup_time(void); /* ticks */
  46
  47 #ifdef STORAGE_GET_INFO
  48 void nand_get_info(IF_MD2(int drive,) struct storage_info *info);
  49 #endif
  50
  51 long nand_last_disk_activity(void);
  52
  53 #ifdef CONFIG_STORAGE_MULTI
  54 int nand_num_drives(int first_drive);
  55 #endif
  56
  57 #endif