ata.h

在SOPC平台上

/***************************************************************************
 *             __________               __   ___.
 *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
 *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
 *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
 *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
 *                     \/            \/     \/    \/            \/
 *
 * Copyright (C) 2002 by Linus Nielsen Feltzing
 *
 * All files in this archive are subject to the GNU General Public License.
 * See the file COPYING in the source tree root for full license agreement.
 *
 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
 * KIND, either express or implied.
 *
 ****************************************************************************/

#include "debug.h"


#undef HAVE_MULTIVOLUME

#ifdef HAVE_MULTIVOLUME
#define IF_MV(x) x /* optional volume/drive parameter */
#define IF_MV2(x,y) x,y /* same, for a list of arguments */
#define IF_MV_NONVOID(x) x /* for prototype with sole volume parameter */
#define NUM_VOLUMES 2
#else /* empty definitions if no multi-volume */
#define IF_MV(x)
#define IF_MV2(x,y)
#define IF_MV_NONVOID(x) void
#define NUM_VOLUMES 1
#endif

#define SWAP_WORDS

// Little Endian
#define SWAB16(x) (x)
#define SWAB32(x) (x)

#define USE_INTERRUPT

int ata_init(void);
int ata_read_sectors(IF_MV2(int drive,)
                     unsigned long start,
                     int incount,
                     void* inbuf);
int ata_write_sectors(IF_MV2(int drive,)
                      unsigned long start,
                      int count,
                      const void* buf);