/*	$NetBSD: hilvar.h,v 1.2 2011/02/15 11:05:51 tsutsui Exp $	*/
/*	$OpenBSD: hilvar.h,v 1.10 2006/11/05 14:39:32 miod Exp $	*/
/*
 * Copyright (c) 2003, Miodrag Vallat.
 * 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.
 *
 * 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.
 *
 */

/*
 * Copyright (c) 1988 University of Utah.
 * Copyright (c) 1990, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * the Systems Programming Group of the University of Utah Computer
 * Science Department.
 *
 * 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. Neither the name of the University 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 REGENTS 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 REGENTS 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.
 *
 * from: Utah $Hdr: hilvar.h 1.3 92/01/21$
 *
 *	@(#)hilvar.h	8.1 (Berkeley) 6/10/93
 */

#define NHILD		8		/* 7 actual + loop pseudo (dev 0) */

struct hildev_softc;

struct hil_softc {
	device_t	sc_dev;
	bus_space_handle_t sc_bsh;
	bus_space_tag_t	sc_bst;
	int		*sc_console;	/* console path set to hil */

	lwp_t		*sc_thread;	/* event handling thread */

	int		sc_cmddone;
	int		sc_cmdending;
	u_int		sc_actdev;	/* current input device */
	u_int		sc_cmddev;	/* device to perform command on */
	uint8_t		sc_pollbuf[HILBUFSIZE];	/* interrupt time input buf */
	uint8_t		sc_cmdbuf[HILBUFSIZE];
	uint8_t		*sc_pollbp;	/* pointer into sc_pollbuf */
	uint8_t		*sc_cmdbp;	/* pointer into sc_cmdbuf */

	int		sc_status;	/* initialization status */
#define	HIL_STATUS_BUSY		0x00
#define	HIL_STATUS_READY	0x01
	int		sc_pending;	/* reconfiguration events in progress */
#define	HIL_PENDING_RECONFIG	0x01
#define	HIL_PENDING_UNPLUGGED	0x02
	u_int		sc_maxdev;	/* number of devices on loop */
	device_t	sc_devices[NHILD];	/* interrupt dispatcher */
};

#ifdef _KERNEL

int	send_hil_cmd(struct hil_softc *, u_int, uint8_t *, u_int, uint8_t *);
int	send_hildev_cmd(struct hildev_softc *, u_int, uint8_t *, u_int *);
void	hil_set_poll(struct hil_softc *, int);
int	hil_poll_data(struct hildev_softc *, uint8_t *, uint8_t *);

void	hil_attach(struct hil_softc *, int *);
void	hil_attach_deferred(device_t);
int	hil_intr(void *);
int	hildevprint(void *, const char *);

#endif /* _KERNEL */
