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  * All files in this archive are subject to the GNU General Public License.
  13  * See the file COPYING in the source tree root for full license agreement.
  14  *
  15  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  16  * KIND, either express or implied.
  17  *
  18  ****************************************************************************/
  19 #ifndef __ATA_H__
  20 #define __ATA_H__
  21
  22 #include <stdbool.h>
  23 #include "config.h" /* for HAVE_MULTIVOLUME or not */
  24
  25 /* FixMe: These macros are a bit nasty and perhaps misplaced here.
  26    We'll get rid of them once decided on how to proceed with multivolume. */
  27 #ifdef HAVE_MULTIVOLUME
  28 #define IF_MV(x) x /* optional volume/drive parameter */
  29 #define IF_MV2(x,y) x,y /* same, for a list of arguments */
  30 #define IF_MV_NONVOID(x) x /* for prototype with sole volume parameter */
  31 #define NUM_VOLUMES 2
  32 #else /* empty definitions if no multi-volume */
  33 #define IF_MV(x)
  34 #define IF_MV2(x,y)
  35 #define IF_MV_NONVOID(x) void
  36 #define NUM_VOLUMES 1
  37 #endif
  38
  39 extern void ata_enable(bool on);
  40 extern void ata_spindown(int seconds);
  41 extern void ata_sleep(void);
  42 extern void ata_sleepnow(void);
  43 /* NOTE: DO NOT use this to poll for disk activity.
  44          If you are waiting for the disk to become active before
  45          doing something use ata_idle_notify.h
  46  */
  47 extern bool ata_disk_is_active(void);
  48 extern int ata_hard_reset(void);
  49 extern int ata_soft_reset(void);
  50 extern int ata_init(void);
  51 extern void ata_close(void);
  52 extern int ata_read_sectors(IF_MV2(int drive,) unsigned long start, int count, void* buf);
  53 extern int ata_write_sectors(IF_MV2(int drive,) unsigned long start, int count, const void* buf);
  54 extern void ata_spin(void);
  55 #if (CONFIG_LED == LED_REAL)
  56 extern void ata_set_led_enabled(bool enabled);
  57 #endif
  58 extern unsigned short* ata_get_identify(void);
  59
  60 extern long last_disk_activity;
  61 extern int ata_spinup_time; /* ticks */
  62
  63 #endif