xref: /netbsd/sys/dev/bi/bivar.h (revision 6550d01e)
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