1 /* $OpenBSD: eisa_machdep.h,v 1.6 2004/06/13 21:49:15 niklas 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 i386_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 *);