xref: /openbsd/sys/dev/eisa/eisavar.h (revision 89e78ff6)
1 /*	$OpenBSD: eisavar.h,v 1.14 2012/03/28 20:44:23 miod Exp $	*/
2 /*	$NetBSD: eisavar.h,v 1.11 1997/06/06 23:30:07 thorpej Exp $	*/
3 
4 /*
5  * Copyright (c) 1995, 1996 Christopher G. Demetriou
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. All advertising materials mentioning features or use of this software
17  *    must display the following acknowledgement:
18  *      This product includes software developed by Christopher G. Demetriou
19  *      for the NetBSD Project.
20  * 4. The name of the author may not be used to endorse or promote products
21  *    derived from this software without specific prior written permission
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
24  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
25  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
27  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
28  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
29  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
30  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
32  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33  */
34 
35 #ifndef _DEV_EISA_EISAVAR_H_
36 #define	_DEV_EISA_EISAVAR_H_
37 
38 /*
39  * Definitions for EISA autoconfiguration.
40  *
41  * This file describes types and functions which are used for EISA
42  * configuration.  Some of this information is machine-specific, and is
43  * separated into eisa_machdep.h.
44  */
45 
46 #include <machine/bus.h>
47 #include <dev/eisa/eisareg.h>		/* For ID register & string info. */
48 
49 /*
50  * Structures and definitions needed by the machine-dependent header.
51  */
52 struct eisabus_attach_args;
53 
54 /*
55  * Machine-dependent definitions.
56  */
57 #if defined(__alpha__)
58 #include <alpha/eisa/eisa_machdep.h>
59 #elif defined(__i386__)
60 #include <i386/eisa/eisa_machdep.h>
61 #else
62 #include <machine/eisa_machdep.h>
63 #endif
64 
65 typedef int	eisa_slot_t;		/* really only needs to be 4 bits */
66 
67 /*
68  * EISA bus attach arguments.
69  */
70 struct eisabus_attach_args {
71 	char	*eba_busname;		/* XXX should be common */
72 	bus_space_tag_t eba_iot;	/* eisa i/o space tag */
73 	bus_space_tag_t eba_memt;	/* eisa mem space tag */
74 	bus_dma_tag_t eba_dmat;		/* DMA tag */
75 	eisa_chipset_tag_t eba_ec;
76 };
77 
78 /*
79  * EISA device attach arguments.
80  */
81 struct eisa_attach_args {
82 	bus_space_tag_t ea_iot;		/* eisa i/o space tag */
83 	bus_space_tag_t ea_memt;	/* eisa mem space tag */
84 	bus_dma_tag_t ea_dmat;		/* DMA tag */
85 	eisa_chipset_tag_t ea_ec;
86 
87 	eisa_slot_t	ea_slot;
88 	u_int8_t	ea_vid[EISA_NVIDREGS];
89 	u_int8_t	ea_pid[EISA_NPIDREGS];
90 	char		ea_idstring[EISA_IDSTRINGLEN];
91 };
92 
93 /*
94  * Locators for EISA devices, as specified to config.
95  */
96 #define	eisacf_slot		cf_loc[0]
97 #define	EISA_UNKNOWN_SLOT	-1		/* wildcarded 'slot' */
98 
99 #endif /* _DEV_EISA_EISAVAR_H_ */
100