/*	$NetBSD: pram.h,v 1.7 2005/12/11 12:18:03 christos Exp $	*/

/*
 * RTC toolkit version 1.08b, copyright 1995, erik vogan
 *
 * All rights and privledges to this code hereby donated
 * to the ALICE group for use in NetBSD.  see the copyright
 * below for more info...
 */
/*
 * Copyright (c) 1995 Erik Vogan
 * All rights reserved.
 *
 * This code is derived from software contributed to the Alice Group
 * by Erik Vogan.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the Alice Group.
 * 4. The names of the Alice Group or any of its members may not be used
 *    to endorse or promote products derived from this software without
 *    specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE ALICE GROUP ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE ALICE GROUP BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/*
 * In the following functions, addr is a pointer to the data to read/write
 * from/to PRAM (bytes) and loc is the PRAM address to read/write, and len
 * is the number of consecutive bytes to read/write.
 *
 *	possible values for:		loc		len
 *	read/writePram		     $00-$13 **	      $01-10 **
 *	read/writeExtPram	     $00-$ff	      $00-ff
 *
 *	** - due to the way the PRAM is set up, $00-0f must be read with one
 *	     command, and $10-$13 must be read with another.  Please, do not
 *	     attempt to read across the $0f/$10 boundary!!  You have been
 *	     warned!!
 */

void readPram(char *, int, int);
void writePram(char *, int, int);
void readExtPram(char *, int, int);
void writeExtPram(char *, int, int);

/*
 * The following routines are used to get/set the PRAM time
 * (which is stored as seconds since 1904).
 */

unsigned long	getPramTime(void);
void 		setPramTime(unsigned long);

unsigned long	pram_readtime(void);
void		pram_settime(unsigned long);

#ifndef MRG_ADB	
/*
 * These functions only when we are not using
 * the MRG method of accessing the ADB/PRAM/RTC.
 */
unsigned long	getPramTimeII(void);
void		setPramTimeII(unsigned long);

#endif /* !MRG_ADB */