/*	$NetBSD: defs.h,v 1.15 2013/07/02 11:59:46 joerg Exp $	*/

/*-
 * Copyright (c) 1996 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Jason R. Thorpe.
 *
 * 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.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``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 FOUNDATION OR CONTRIBUTORS 
 * 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.
 */

#ifdef USE_OPENFIRM
#include <dev/ofw/openfirmio.h>
#endif

#ifdef USE_PREPNVRAM
#include <machine/nvram.h>
#endif

#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 {
	const char *kt_keyword;		/* keyword for this entry */
	u_int	kt_offset;		/* offset into prom of value */
	void	(*kt_handler) (const struct keytabent *, char *);
					/* handler function for this entry */
};

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

#ifdef USE_OPENPROM
struct	opiocdesc;
/*
 * 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 {
	const char *ex_keyword;		/* keyword for this entry */
	void	(*ex_handler) (const struct extabent *,
		    struct opiocdesc *, char *);
					/* handler function for this entry */
};
#endif

#ifdef USE_OPENFIRM
struct	extabent {
	const char *ex_keyword;		/* keyword for this entry */
	void	(*ex_handler) (const struct extabent *,
		    struct ofiocdesc *, char *);
					/* handler function for this entry */
};
#endif

#ifdef USE_PREPNVRAM
struct	extabent {
	const char *ex_keyword;		/* keyword for this entry */
	void	(*ex_handler) (const struct extabent *,
		    struct pnviocdesc *, char *);
					/* handler function for this entry */
};
#endif


/* Sun 3/4 EEPROM handlers. */
void	ee_action(char *, char *);
void	ee_dump(void);

/* Sun 3/4 EEPROM checksum routines. */
void	ee_updatechecksums(void);
void	ee_verifychecksums(void);

/* Sparc Openprom handlers. */
char	*op_handler(char *, char *);
void	op_action(char *, char *);
void	op_dump(void);
int	check_for_openprom(void);

/* OpenFirmware handlers. */
char	*of_handler(char *, char *);
void	of_action(char *, char *);
void	of_dump(void);

/* PReP nvram handlers. */
char	*prep_handler(char *, char *);
void	prep_action(char *, char *);
void	prep_dump(void);