/*	$NetBSD: defs.h,v 1.1 1995/07/13 18:08:56 thorpej Exp $	*/

/*
 * Copyright (c) 1995 Jason R. Thorpe.
 * All rights reserved.
 *
 * 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 for the NetBSD Project
 *	by Jason R. Thorpe.
 * 4. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
 */

#undef BUFSIZE
#define BUFSIZE		1024

#define IO_READ		0
#define IO_WRITE	1

#define MAXIMUM(a, b)	((a) > (b) ? (a) : (b))

/*
 * Misc. location declarations.
 */
#define EE_SIZE			0x500
#define EE_WC_LOC		0x04
#define EE_CKSUM_LOC		0x0c
#define EE_HWUPDATE_LOC		0x10
#define EE_BANNER_ENABLE_LOC	0x20

/*
 * Keyword table entry.  Contains a pointer to the keyword, the 
 * offset into the prom where the value lives, and a pointer to
 * the function that handles that value.
 */
struct	keytabent {
	char	*kt_keyword;		/* keyword for this entry */
	u_int	kt_offset;		/* offset into prom of value */
	void	(*kt_handler) __P((struct keytabent *, char *));
					/* handler function for this entry */
};

/*
 * String-value table entry.  Maps a string to a numeric value and
 * vice-versa.
 */
struct	strvaltabent {
	char	*sv_str;		/* the string ... */
	u_char	sv_val;			/* ... and the value */
};

#ifdef __sparc__
/*
 * This is an entry in a table which describes a set of `exceptions'.
 * In other words, these are Openprom fields that we either can't
 * `just print' or don't know how to deal with.
 */
struct	extabent {
	char	*ex_keyword;		/* keyword for this entry */
	void	(*ex_handler) __P((struct extabent *,
		    struct opiocdesc *, char *));
					/* handler function for this entry */
};
#endif /* __sparc__ */

/* Sun 3/4 EEPROM handlers. */
void	ee_hwupdate __P((struct keytabent *, char *));
void	ee_num8 __P((struct keytabent *, char *));
void	ee_num16 __P((struct keytabent *, char *));
void	ee_screensize __P((struct keytabent *, char *));
void	ee_truefalse __P((struct keytabent *, char *));
void	ee_bootdev __P((struct keytabent *, char *));
void	ee_kbdtype __P((struct keytabent *, char *));
void	ee_constype __P((struct keytabent *, char *));
void	ee_diagpath __P((struct keytabent *, char *));
void	ee_banner __P((struct keytabent *, char *));
void	ee_notsupp __P((struct keytabent *, char *));

/* Sun 3/4 EEPROM checksum routines. */
u_char	ee_checksum __P((u_char *, size_t));
void	ee_updatechecksums __P((void));
void	ee_verifychecksums __P((void));

#ifdef __sparc__
/* Sparc Openprom handlers. */
char	*op_handler __P((char *, char *));
void	op_dump __P((void));
#endif /* __sparc__ */