/*      $NetBSD: hilvar.h,v 1.3 2022/06/25 02:36:27 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
*/

#include <sys/rndsource.h>

#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 */
       krndsource_t    sc_rndsource;
};

#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 */

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