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Darwin 0.3 EIDE device driver

/*
 * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * "Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
 * Reserved.  This file contains Original Code and/or Modifications of
 * Original Code as defined in and that are subject to the Apple Public
 * Source License Version 1.0 (the 'License').  You may not use this file
 * except in compliance with the License.  Please obtain a copy of the
 * License at http://www.apple.com/publicsource and read it before using
 * this file.
 * 
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
 * License for the specific language governing rights and limitations
 * under the License."
 * 
 * @APPLE_LICENSE_HEADER_END@
 */
/*
 * Copyright 1997-1998 by Apple Computer, Inc., All rights reserved.
 * Copyright 1994-1997 NeXT Software, Inc., All rights reserved.
 *
 * IdeCntInit.h - Initialization methods for Ide controller device class. 
 *
 * HISTORY
 *
 * 11-Aug-1994 	Rakesh Dubey at NeXT
 *      Created. 
 */
 
#ifdef	DRIVER_PRIVATE

#ifndef	_BSD_DEV_IDECNTINIT_H
#define _BSD_DEV_IDECNTINIT_H 1

#import <driverkit/return.h>
#import <driverkit/driverTypes.h>
#import <driverkit/IODevice.h>
#import <driverkit/machine/directDevice.h>
#import <driverkit/generalFuncs.h>
#import "IdeCnt.h"
#import "IdeCntPublic.h"

@interface IdeController(Initialize)

-(BOOL)controllerPresent;

- (BOOL)ideControllerInit:(IODeviceDescription *)devDesc;

- (BOOL)ideDetectDrive:(unsigned int)unit override:(int)override;

- (BOOL)ideDetectATAPIDevice:(unsigned int)unit override:(int)override;

/*
 * This is essential info on the IDE drive. It is either from the BIOS or
 * from IDE_IDENTIFY_DRIVE command. 
 */
- (ideDriveInfo_t)getIdeDriveInfo:(unsigned int)unit;

- (void)ideReset; 

/*
 * Initializes the IDE interface by sending commands to controller. 
 */
- (void)resetAndInit;
		
- (ide_return_t)setATADriveCapabilities:(unsigned int)unit	
		withBIOSInfo:(BOOL)biosInfo;

- (ide_return_t)setATAPIDriveCapabilities:(unsigned int)unit;

/*
 * Does programming on the host side of the IDE interface. This is completely
 * dependent upon a particular hardware. 
 */

- (void)resetController;
- (BOOL)setControllerCapabilities;

/*
 * Returns NULL if the drive does not support the optional IDE_IDENTIFY_DRIVE
 * command. 
 */
- (ideIdentifyInfo_t *)getIdeIdentifyInfo:(unsigned int)unit;

/*
 * Returns YES if we are using disk geometry. 
 */
-(BOOL)isDiskGeometry:(unsigned int)unit;

/*
 * Methods used for initialization. 
 */
- (ideDriveInfo_t)getIdeInfoFromBIOS:(unsigned)unit;
- (unsigned)getIdeTypeFromCMOS:(int)unit;

@end

#endif	/* _BSD_DEV_IDECNTINIT_H */

#endif	/* DRIVER_PRIVATE */

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