/*	$OpenBSD: ieee1394var.h,v 1.2 2002/06/25 23:33:31 itojun Exp $	*/
/*	$NetBSD: ieee1394var.h,v 1.15 2002/02/27 05:04:28 jmc Exp $	*/

/*-
 * Copyright (c) 2000 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by 
 *
 * 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 NetBSD
 *        Foundation, Inc. and its contributors.
 * 4. Neither the name of The NetBSD Foundation nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * 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.
 */

#ifndef _DEV_IEEE1394_IEEE1394VAR_H_
#define	_DEV_IEEE1394_IEEE1394VAR_H_

struct ieee1394_softc;
struct ieee1394_node;

/* These buffers have no reference counting.  It is assumed that 
 * the upper level buffer (struct buf or struct mbuf) will have the
 * requisite reference counting.
 */
struct ieee1394_abuf {
	struct ieee1394_softc *ab_req;		/* requestor */
	struct ieee1394_softc *ab_resp;		/* response */
	u_int32_t *ab_data;
	struct uio *ab_uio;
	u_int64_t ab_addr;
	u_int8_t ab_tcode;
	u_int8_t ab_tlabel;
	u_int32_t ab_length; 
	u_int32_t ab_retlen;			/* length returned from read. */
	u_int32_t ab_retries;
	void (*ab_cb)(struct ieee1394_abuf *, int);
	void *ab_cbarg;
};

struct ieee1394_callbacks {
	void (*cb1394_busreset)(struct ieee1394_softc *);
	void (*cb1394_at_queue)(struct ieee1394_softc *, int type,
	    struct ieee1394_abuf *);
	void (*cb1394_at_done)(struct ieee1394_softc *, 
	    struct ieee1394_abuf *);
};

struct ieee1394_attach_args {
	char name[7]; 
	u_int8_t uid[8];
	u_int16_t nodeid;
	int (*read)(struct ieee1394_abuf *);
	int (*write)(struct ieee1394_abuf *);
	int (*inreg)(struct ieee1394_abuf *, int);
	int (*unreg)(struct ieee1394_abuf *, int);
};    

struct ieee1394_softc {
	struct device sc1394_dev;
	struct device *sc1394_if; /* Move to fwohci level. */
	
	const struct ieee1394_callbacks sc1394_callback; /* Nuke probably. */
	u_int32_t *sc1394_configrom;
	u_int32_t sc1394_configrom_len;  /* quadlets. */
	u_int32_t sc1394_max_receive;
	u_int8_t sc1394_guid[8];
	u_int8_t sc1394_link_speed;	/* IEEE1394_SPD_* */
	u_int16_t sc1394_node_id;	/* my node id in network order */
	
	int (*sc1394_ifoutput)(struct device *, struct mbuf *,
	    void (*)(struct device *, struct mbuf *)); /* Nuke. */
	int (*sc1394_ifinreg)(struct device *, u_int32_t, u_int32_t,
	    void (*)(struct device *, struct mbuf *)); /* Nuke */
	int (*sc1394_ifsetiso)(struct device *, u_int32_t, u_int32_t, u_int32_t,
	    void (*)(struct device *, struct mbuf *)); /* Nuke */
	
	LIST_ENTRY(ieee1394_softc) sc1394_node;
};

struct ieee1394_node {
	struct device node_dev;
	
	struct ieee1394_softc *node_sc;	/* owning bus */
	u_int32_t *node_configrom;
	size_t node_configrom_len;
};

int ieee1394_init(struct ieee1394_softc *);

#define	IEEE1394_ARGTYPE_PTR	0
#define	IEEE1394_ARGTYPE_MBUF	1

#endif	/* _DEV_IEEE1394_IEEE1394VAR_H_ */