sys/dev/bi/bivar.h

   1 /*      $NetBSD: bivar.h,v 1.12 2005/12/11 12:21:15 christos 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_ */