/*      $OpenBSD: spifvar.h,v 1.5 2022/01/09 05:42:58 jsg Exp $ */

/*
 * Copyright (c) 1999-2002 Jason L. Wright (jason@thought.net)
 * 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.
 *
 * Effort sponsored in part by the Defense Advanced Research Projects
 * Agency (DARPA) and Air Force Research Laboratory, Air Force
 * Materiel Command, USAF, under agreement number F30602-01-2-0537.
 *
 */

#define SPIF_MAX_SERIAL 8
#define SPIF_MAX_PARALLEL 1

struct stty_port {
        struct tty *sp_tty;             /* tty device */
        struct spif_softc *sp_sc;       /* pointer back to registers */
        int sp_channel;                 /* channel number */
        u_char *sp_rbuf;                /* ring buffer start */
        u_char *sp_rend;                /* ring buffer end */
        u_char *sp_rget;                /* ring buffer read pointer */
        u_char *sp_rput;                /* ring buffer write pointer */
        u_char *sp_txp;                 /* transmit character pointer */
        int sp_txc;                     /* transmit character counter */

        int sp_openflags;               /* open flags */
        int sp_carrier;                 /* software carrier status */
        int sp_flags;                   /* software state */
        char sp_dtr;                    /* software dtr status */
};

struct stty_softc {
        struct  device sc_dev;          /* base device */
        int     sc_nports;              /* number of serial ports */
        struct  stty_port sc_port[SPIF_MAX_SERIAL];
};

struct sbpp_softc {
        struct  device sc_dev;          /* base device */
        int     sc_nports;              /* number of parallel ports */
};

struct spif_softc {
        struct  device sc_dev;          /* base device */
        void *sc_stcih;                 /* stc interrupt vector */
        void *sc_ppcih;                 /* ppc interrupt vector */
        void *sc_softih;                /* soft interrupt vector */
        int     sc_rev;                 /* revision level */
        int     sc_osc;                 /* oscillator speed (hz) */
        int     sc_node;                /* which sbus node */
        int     sc_nser;                /* number of serial ports */
        int     sc_npar;                /* number of parallel ports */
        int     sc_rev2;                /* cd180 chip revision */
        bus_space_tag_t sc_bustag;      /* our bus tag */
        bus_space_handle_t sc_regh;     /* whole register map */
        bus_space_handle_t sc_stch;     /* STC registers */
        bus_space_handle_t sc_istch;    /* IACK STC registers */
        bus_space_handle_t sc_dtrh;     /* DTR registers */
        bus_space_handle_t sc_ppch;     /* PPC registers */
        struct  spifregs *sc_regs;      /* registers */
        struct  stty_softc *sc_ttys;    /* our ttys */
        struct  sbpp_softc *sc_bpps;    /* our ttys */
};