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      1 /*	$NetBSD: bivar.h,v 1.13 2008/03/11 05:34:01 matt Exp $ */
      2 /*
      3  * Copyright (c) 1996, 1999 Ludd, University of Lule}, Sweden.
      4  * All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  * 3. All advertising materials mentioning features or use of this software
     15  *    must display the following acknowledgement:
     16  *	This product includes software developed at Ludd, University of
     17  *	Lule}, Sweden and its contributors.
     18  * 4. The name of the author may not be used to endorse or promote products
     19  *    derived from this software without specific prior written permission
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     31  */
     32 #ifndef _DEV_BI_BIVAR_H_
     33 #define _DEV_BI_BIVAR_H_
     34 
     35 
     36 /*
     37  * per-BI-adapter state.
     38  */
     39 struct bi_softc {
     40 	device_t sc_dev;
     41 	bus_space_tag_t sc_iot;		/* Space tag for the BI bus */
     42 	bus_dma_tag_t sc_dmat;
     43 	bus_addr_t sc_addr;		/* Address base address for this bus */
     44 	int sc_busnr;			/* (Physical) number of this bus */
     45 	int sc_lastiv;			/* last available interrupt vector */
     46 	int sc_intcpu;
     47 };
     48 
     49 /*
     50  * Struct used for autoconfiguration; attaching of BI nodes.
     51  */
     52 struct bi_attach_args {
     53 	bus_space_tag_t ba_iot;
     54 	bus_space_handle_t ba_ioh;	/* Base address for this node */
     55 	bus_dma_tag_t ba_dmat;
     56 	int ba_busnr;
     57 	int ba_nodenr;
     58 	int ba_intcpu;	/* Mask of which cpus to interrupt */
     59 	int ba_ivec;	/* Interrupt vector to use */
     60 	void *ba_icookie;
     61 };
     62 
     63 /*
     64  * BI node list.
     65  */
     66 struct bi_list {
     67 	u_short bl_nr;		/* Unit ID# */
     68 	u_short bl_havedriver;	/* Have device driver (informal) */
     69 	const char *bl_name;		/* DEC name */
     70 };
     71 
     72 /* bl_havedriver field meaning */
     73 #define	DT_UNSUPP	0	/* pseudo define */
     74 #define	DT_HAVDRV	1	/* device have driver */
     75 #define	DT_ADAPT	2	/* is an adapter */
     76 #define	DT_QUIET	4	/* don't complain when not conf'ed */
     77 #define	DT_VEC		8	/* uses a interrupt vector */
     78 
     79 /* Prototype */
     80 void bi_attach (struct bi_softc *);
     81 void bi_intr_establish (void *, int, void (*)(void *), void *, struct evcnt *);
     82 
     83 #endif /* _DEV_BI_BIVAR_H_ */
     84