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

        struct proc     *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 */
        u_int8_t        sc_pollbuf[HILBUFSIZE]; /* interrupt time input buf */
        u_int8_t        sc_cmdbuf[HILBUFSIZE];
        u_int8_t        *sc_pollbp;     /* pointer into sc_pollbuf */
        u_int8_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 */
        struct hildev_softc *sc_devices[NHILD]; /* interrupt dispatcher */
};

#ifdef _KERNEL

int     send_hil_cmd(struct hil_softc *, u_int, u_int8_t *, u_int, u_int8_t *);
int     send_hildev_cmd(struct hildev_softc *, u_int, u_int8_t *, u_int *);
void    hil_set_poll(struct hil_softc *, int);
int     hil_poll_data(struct hildev_softc *, u_int8_t *, u_int8_t *);

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

#endif /* _KERNEL */