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