eisa_machdep.h revision 1.12 
1/*	$NetBSD: eisa_machdep.h,v 1.12 2009/11/17 23:46:27 dyoung Exp $	*/
2
3/*
4 * Copyright (c) 1996 Christopher G. Demetriou.  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 by Christopher G. Demetriou
17 *	for the NetBSD Project.
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
33/*
34 * Machine-specific definitions for EISA autoconfiguration.
35 */
36
37/*
38 * i386-specific EISA definitions.
39 * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE.
40 */
41#define	EISA_ID			"EISA"
42#define	EISA_ID_LEN		(sizeof(EISA_ID) - 1)
43#define	EISA_ID_PADDR		0xfffd9
44
45extern struct x86_bus_dma_tag eisa_bus_dma_tag;
46
47/* EISA Edge/Level trigger control registers */
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 */
54typedef void *eisa_chipset_tag_t;
55typedef int eisa_intr_handle_t;
56
57/*
58 * Functions provided to machine-independent EISA code.
59 */
60void		eisa_attach_hook(device_t, device_t,
61		    struct eisabus_attach_args *);
62int		eisa_maxslots(eisa_chipset_tag_t);
63int		eisa_intr_map(eisa_chipset_tag_t, u_int,
64		    eisa_intr_handle_t *);
65const char	*eisa_intr_string(eisa_chipset_tag_t, eisa_intr_handle_t);
66const struct evcnt *eisa_intr_evcnt(eisa_chipset_tag_t, eisa_intr_handle_t);
67void		*eisa_intr_establish(eisa_chipset_tag_t,
68		    eisa_intr_handle_t, int, int, int (*)(void *), void *);
69void		eisa_intr_disestablish(eisa_chipset_tag_t, void *);
70
71int		eisa_conf_read_mem(eisa_chipset_tag_t, int, int, int,
72		    struct eisa_cfg_mem *);
73int		eisa_conf_read_irq(eisa_chipset_tag_t, int, int, int,
74		    struct eisa_cfg_irq *);
75int		eisa_conf_read_dma(eisa_chipset_tag_t, int, int, int,
76		    struct eisa_cfg_dma *);
77int		eisa_conf_read_io(eisa_chipset_tag_t, int, int, int,
78		    struct eisa_cfg_io *);
79