xref: /netbsd/sys/arch/x68k/stand/libsa/chdsk.c (revision bf9ec67e)
1 /*	$NetBSD: chdsk.c,v 1.1 2001/09/28 15:19:33 minoura Exp $	*/
2 
3 /*
4  * Copyright (c) 2001 MINOURA Makoto.
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  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26  */
27 
28 #include <lib/libsa/stand.h>
29 
30 #include "libx68k.h"
31 #include "iocs.h"
32 #include "fdvar.h"
33 #include "consio.h"
34 
35 int
36 changedisk_hook(struct open_file *f)
37 {
38 	if (strcmp(f->f_dev->dv_name, "fd") == 0) {
39 		struct fd_softc *sc = f->f_devdata;
40 		int unit = (0x90 + sc->unit) << 8;
41 
42 		/* unlock */
43 		IOCS_B_DRVCHK(unit, 3);
44 		/* eject */
45 		IOCS_B_DRVCHK(unit, 1);
46 		awaitkey_1sec();
47 		/* prompt */
48 		IOCS_B_DRVCHK(unit, 4);
49 		/* poll for medium */
50 		while ((IOCS_B_DRVCHK(unit, 0) & 2) == 0)
51 			awaitkey_1sec();
52 		/* lock */
53 		IOCS_B_DRVCHK(unit, 2);
54 	}
55 
56 	return 0;
57 }
58