/*      $NetBSD: bivar.h,v 1.13 2008/03/11 05:34:01 matt Exp $ */
/*
* Copyright (c) 1996, 1999 Ludd, University of Lule}, Sweden.
* 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.
* 3. All advertising materials mentioning features or use of this software
*    must display the following acknowledgement:
*      This product includes software developed at Ludd, University of
*      Lule}, Sweden and its contributors.
* 4. The name of the author may not be used to endorse or promote products
*    derived from this software without specific prior written permission
*
* 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.
*/
#ifndef _DEV_BI_BIVAR_H_
#define _DEV_BI_BIVAR_H_


/*
* per-BI-adapter state.
*/
struct bi_softc {
       device_t sc_dev;
       bus_space_tag_t sc_iot;         /* Space tag for the BI bus */
       bus_dma_tag_t sc_dmat;
       bus_addr_t sc_addr;             /* Address base address for this bus */
       int sc_busnr;                   /* (Physical) number of this bus */
       int sc_lastiv;                  /* last available interrupt vector */
       int sc_intcpu;
};

/*
* Struct used for autoconfiguration; attaching of BI nodes.
*/
struct bi_attach_args {
       bus_space_tag_t ba_iot;
       bus_space_handle_t ba_ioh;      /* Base address for this node */
       bus_dma_tag_t ba_dmat;
       int ba_busnr;
       int ba_nodenr;
       int ba_intcpu;  /* Mask of which cpus to interrupt */
       int ba_ivec;    /* Interrupt vector to use */
       void *ba_icookie;
};

/*
* BI node list.
*/
struct bi_list {
       u_short bl_nr;          /* Unit ID# */
       u_short bl_havedriver;  /* Have device driver (informal) */
       const char *bl_name;            /* DEC name */
};

/* bl_havedriver field meaning */
#define DT_UNSUPP       0       /* pseudo define */
#define DT_HAVDRV       1       /* device have driver */
#define DT_ADAPT        2       /* is an adapter */
#define DT_QUIET        4       /* don't complain when not conf'ed */
#define DT_VEC          8       /* uses a interrupt vector */

/* Prototype */
void bi_attach (struct bi_softc *);
void bi_intr_establish (void *, int, void (*)(void *), void *, struct evcnt *);

#endif /* _DEV_BI_BIVAR_H_ */