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      1 /*	$NetBSD: spifvar.h,v 1.5 2022/10/31 20:30:23 andvar Exp $	*/
      2 /*	$OpenBSD: spifvar.h,v 1.3 2003/06/02 18:32:41 jason Exp $	*/
      3 
      4 /*
      5  * Copyright (c) 1999-2002 Jason L. Wright (jason (at) thought.net)
      6  * All rights reserved.
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  * 1. Redistributions of source code must retain the above copyright
     12  *    notice, this list of conditions and the following disclaimer.
     13  * 2. Redistributions in binary form must reproduce the above copyright
     14  *    notice, this list of conditions and the following disclaimer in the
     15  *    documentation and/or other materials provided with the distribution.
     16  *
     17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     20  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
     21  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     22  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     23  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
     25  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
     26  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     27  * POSSIBILITY OF SUCH DAMAGE.
     28  *
     29  * Effort sponsored in part by the Defense Advanced Research Projects
     30  * Agency (DARPA) and Air Force Research Laboratory, Air Force
     31  * Materiel Command, USAF, under agreement number F30602-01-2-0537.
     32  *
     33  */
     34 
     35 #define	SPIF_MAX_SERIAL	8
     36 #define SPIF_MAX_PARALLEL 1
     37 
     38 struct stty_port {
     39 	struct tty *sp_tty;		/* tty device */
     40 	struct spif_softc *sp_sc;	/* pointer back to registers */
     41 	int sp_channel;			/* channel number */
     42 	u_char *sp_rbuf;		/* ring buffer start */
     43 	u_char *sp_rend;		/* ring buffer end */
     44 	u_char *sp_rget;		/* ring buffer read pointer */
     45 	u_char *sp_rput;		/* ring buffer write pointer */
     46 	u_char *sp_txp;			/* transmit character pointer */
     47 	int sp_txc;			/* transmit character counter */
     48 
     49 	int sp_openflags;		/* open flags */
     50 	int sp_carrier;			/* software carrier status */
     51 	int sp_flags;			/* software state */
     52 	char sp_dtr;			/* software dtr status */
     53 };
     54 
     55 struct stty_softc {
     56 	device_t sc_dev;
     57 	int	sc_nports;		/* number of serial ports */
     58 	struct	stty_port sc_port[SPIF_MAX_SERIAL];
     59 };
     60 
     61 struct sbpp_softc {
     62 	int	sc_nports;		/* number of parallel ports */
     63 };
     64 
     65 struct spif_softc {
     66 	device_t sc_dev;
     67 	void *sc_stcih;			/* stc interrupt vector */
     68 	void *sc_ppcih;			/* ppc interrupt vector */
     69 	void *sc_softih;		/* soft interrupt vector */
     70 	int	sc_rev;			/* revision level */
     71 	int	sc_osc;			/* oscillator speed (hz) */
     72 	int	sc_node;		/* which sbus node */
     73 	int	sc_nser;		/* number of serial ports */
     74 	int	sc_npar;		/* number of parallel ports */
     75 	int	sc_rev2;		/* cd180 chip revision */
     76 	bus_space_tag_t sc_bustag;	/* our bus tag */
     77 	bus_space_handle_t sc_regh;	/* whole register map */
     78 	bus_space_handle_t sc_stch;	/* STC registers */
     79 	bus_space_handle_t sc_istch;	/* IACK STC registers */
     80 	bus_space_handle_t sc_dtrh;	/* DTR registers */
     81 	bus_space_handle_t sc_ppch;	/* PPC registers */
     82 	struct	spifregs *sc_regs;	/* registers */
     83 	struct	stty_softc *sc_ttys;	/* our ttys */
     84 	struct	sbpp_softc *sc_bpps;	/* our ttys */
     85 };
     86