firmware/export/ata.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2002 by Alan Korr
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21 #ifndef __ATA_H__
  22 #define __ATA_H__
  23
  24 #include <stdbool.h>
  25 #include "config.h" /* for HAVE_MULTIVOLUME or not */
  26
  27 /* FixMe: These macros are a bit nasty and perhaps misplaced here.
  28    We'll get rid of them once decided on how to proceed with multivolume. */
  29 #ifdef HAVE_MULTIVOLUME
  30 #define IF_MV(x) x /* optional volume/drive parameter */
  31 #define IF_MV2(x,y) x,y /* same, for a list of arguments */
  32 #define IF_MV_NONVOID(x) x /* for prototype with sole volume parameter */
  33 #define NUM_VOLUMES 2
  34 #else /* empty definitions if no multi-volume */
  35 #define IF_MV(x)
  36 #define IF_MV2(x,y)
  37 #define IF_MV_NONVOID(x) void
  38 #define NUM_VOLUMES 1
  39 #endif
  40
  41 extern void ata_enable(bool on);
  42 extern void ata_spindown(int seconds);
  43 extern void ata_sleep(void);
  44 extern void ata_sleepnow(void);
  45 /* NOTE: DO NOT use this to poll for disk activity.
  46          If you are waiting for the disk to become active before
  47          doing something use ata_idle_notify.h
  48  */
  49 extern bool ata_disk_is_active(void);
  50 extern int ata_hard_reset(void);
  51 extern int ata_soft_reset(void);
  52 extern int ata_init(void);
  53 extern void ata_close(void);
  54 extern int ata_read_sectors(IF_MV2(int drive,) unsigned long start, int count, void* buf);
  55 extern int ata_write_sectors(IF_MV2(int drive,) unsigned long start, int count, const void* buf);
  56 extern void ata_spin(void);
  57 #if (CONFIG_LED == LED_REAL)
  58 extern void ata_set_led_enabled(bool enabled);
  59 #endif
  60 extern unsigned short* ata_get_identify(void);
  61
  62 extern long last_disk_activity;
  63 extern int ata_spinup_time; /* ticks */
  64
  65 #endif