dvcfg.h revision 28861 
1/*	$NetBSD$	*/
2/*
3 * [NetBSD for NEC PC98 series]
4 *  Copyright (c) 1996 NetBSD/pc98 porting staff.
5 *  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. The name of the author may not be used to endorse or promote products
16 *     derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
21 * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
22 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
26 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
27 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGE.
29 */
30/*
31 * Copyright (c) 1996 Naofumi HONDA.  All rights reserved.
32 */
33
34#ifndef _I386_DVCFG_H_
35#define _I386_DVCFG_H_
36
37typedef void *dvcfg_hw_t;
38
39struct dvcfg_hwsel {
40	int cfg_max;
41
42	dvcfg_hw_t *cfg_sel;
43};
44
45#define	DVCFG_MAJOR(dvcfg)	(((u_int)(dvcfg)) >> 16)
46#define	DVCFG_MINOR(dvcfg)	(((u_int)(dvcfg)) & 0xffff)
47
48#define	DVCFG_MKCFG(major, minor) ((((u_int)(major)) << 16) | ((minor) & 0xffff))
49
50#define	DVCFG_HWSEL_SZ(array)	(sizeof(array) / sizeof(dvcfg_hw_t))
51
52static inline dvcfg_hw_t dvcfg_hw __P((struct dvcfg_hwsel *, u_int));
53
54static inline dvcfg_hw_t
55dvcfg_hw(selp, num)
56	struct dvcfg_hwsel *selp;
57	u_int num;
58{
59
60	return ((num >= selp->cfg_max) ? NULL : selp->cfg_sel[num]);
61}
62
63#define	DVCFG_HW(SELP, NUM)	dvcfg_hw((SELP), (NUM))
64#endif	/* _I386_DVCFG_H_ */
65