rockbox/firmware/export/ata.h
Frank Gevaerts c0a5a67387 Commit FS#9545, storage cleanup and multi-driver support
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21933 a1c6a512-1295-4272-9138-f99709370657
2009-07-17 22:28:49 +00:00

80 lines
2.6 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 by Alan Korr
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#ifndef __ATA_H__
#define __ATA_H__
#include <stdbool.h>
#include "config.h" /* for HAVE_MULTIVOLUME or not */
#include "mv.h" /* for IF_MV() and friends */
struct storage_info;
void ata_enable(bool on);
void ata_spindown(int seconds);
void ata_sleep(void);
void ata_sleepnow(void);
/* NOTE: DO NOT use this to poll for disk activity.
If you are waiting for the disk to become active before
doing something use ata_idle_notify.h
*/
bool ata_disk_is_active(void);
int ata_soft_reset(void);
int ata_init(void);
void ata_close(void);
int ata_read_sectors(IF_MD2(int drive,) unsigned long start, int count, void* buf);
int ata_write_sectors(IF_MD2(int drive,) unsigned long start, int count, const void* buf);
void ata_spin(void);
#if (CONFIG_LED == LED_REAL)
void ata_set_led_enabled(bool enabled);
#endif
unsigned short* ata_get_identify(void);
#ifdef STORAGE_GET_INFO
void ata_get_info(IF_MD2(int drive,) struct storage_info *info);
#endif
#ifdef HAVE_HOTSWAP
bool ata_removable(IF_MD_NONVOID(int drive));
bool ata_present(IF_MD_NONVOID(int drive));
#endif
#ifdef CONFIG_STORAGE_MULTI
int ata_num_drives(int first_drive);
#endif
long ata_last_disk_activity(void);
int ata_spinup_time(void); /* ticks */
#ifdef HAVE_ATA_DMA
/* Needed to allow updating while waiting for DMA to complete */
void ata_keep_active(void);
/* Returns current DMA mode */
int ata_get_dma_mode(void);
/* Set DMA mode for ATA interface */
void ata_dma_set_mode(unsigned char mode);
/* Sets up DMA transfer */
bool ata_dma_setup(void *addr, unsigned long bytes, bool write);
/* Waits for DMA transfer completion */
bool ata_dma_finish(void);
#endif /* HAVE_ATA_DMA */
#endif /* __ATA_H__ */