xref: /openbsd/sys/arch/i386/eisa/eisa_machdep.h (revision 4bdff4be)
1 /*	$OpenBSD: eisa_machdep.h,v 1.7 2008/12/03 15:46:06 oga Exp $	*/
2 /*	$NetBSD: eisa_machdep.h,v 1.4 1997/06/06 23:12:52 thorpej Exp $	*/
3 
4 /*
5  * Copyright (c) 1996 Christopher G. Demetriou.  All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *      This product includes software developed by Christopher G. Demetriou
18  *	for the NetBSD Project.
19  * 4. The name of the author may not be used to endorse or promote products
20  *    derived from this software without specific prior written permission
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32  */
33 
34 /*
35  * Machine-specific definitions for EISA autoconfiguration.
36  */
37 
38 /*
39  * i386-specific EISA definitions.
40  * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE.
41  */
42 #define	EISA_ID			"EISA"
43 #define	EISA_ID_LEN		(sizeof(EISA_ID) - 1)
44 #define	EISA_ID_PADDR		0xfffd9
45 
46 extern struct bus_dma_tag eisa_bus_dma_tag;
47 
48 #define ELCR0	0x4d0		/* eisa irq 0-7 */
49 #define ELCR1	0x4d1		/* eisa irq 8-15 */
50 
51 /*
52  * Types provided to machine-independent EISA code.
53  */
54 typedef void *eisa_chipset_tag_t;
55 typedef int eisa_intr_handle_t;
56 
57 /*
58  * Functions provided to machine-independent EISA code.
59  */
60 void		eisa_attach_hook(struct device *, struct device *,
61 		    struct eisabus_attach_args *);
62 int		eisa_maxslots(eisa_chipset_tag_t);
63 int		eisa_intr_map(eisa_chipset_tag_t, u_int,
64 		    eisa_intr_handle_t *);
65 const char	*eisa_intr_string(eisa_chipset_tag_t, eisa_intr_handle_t);
66 void		*eisa_intr_establish(eisa_chipset_tag_t, eisa_intr_handle_t,
67 		    int, int, int (*)(void *), void *, char *);
68 void		eisa_intr_disestablish(eisa_chipset_tag_t, void *);
69