xref: /openbsd/sys/arch/i386/isa/joy_isapnp.c (revision 404b540a)
1 /*	$OpenBSD: joy_isapnp.c,v 1.7 2007/08/01 13:18:18 martin Exp $	*/
2 /*	$NetBSD: joy.c,v 1.3 1996/05/05 19:46:15 christos Exp $	*/
3 
4 /*-
5  * Copyright (c) 1995 Jean-Marc Zucconi
6  * All rights reserved.
7  *
8  * Ported to NetBSD by Matthieu Herrb <matthieu@laas.fr>
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer
15  *    in this position and unchanged.
16  * 2. Redistributions in binary form must reproduce the above copyright
17  *    notice, this list of conditions and the following disclaimer in the
18  *    documentation and/or other materials provided with the distribution.
19  * 3. 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 #include <sys/param.h>
36 #include <sys/systm.h>
37 #include <sys/kernel.h>
38 #include <sys/device.h>
39 #include <sys/errno.h>
40 
41 #include <machine/cpu.h>
42 #include <machine/pio.h>
43 #include <machine/cpufunc.h>
44 #include <machine/joystick.h>
45 #include <machine/conf.h>
46 
47 #include <dev/isa/isavar.h>
48 #include <dev/isa/isareg.h>
49 #include <dev/ic/i8253reg.h>
50 #include <i386/isa/joyreg.h>
51 
52 int		joy_isapnp_probe(struct device *, void *, void *);
53 void		joy_isapnp_attach(struct device *, struct device *, void *);
54 
55 struct cfattach joy_isapnp_ca = {
56 	sizeof(struct joy_softc), joy_isapnp_probe, joy_isapnp_attach
57 };
58 
59 int
60 joy_isapnp_probe(struct device *parent, void *match, void *aux)
61 {
62 	return (1);
63 }
64 
65 void
66 joy_isapnp_attach(struct device *parent, struct device *self, void *aux)
67 {
68 	struct joy_softc *sc = (void *) self;
69 	struct isa_attach_args *ia = aux;
70 	int iobase = ia->ipa_io[0].base;
71 
72 	sc->port = iobase;
73 	sc->timeout[0] = sc->timeout[1] = 0;
74 	outb(iobase, 0xff);
75 	DELAY(10000);		/* 10 ms delay */
76 #if 0
77 	printf(": joystick%sconnected\n",
78 	    (inb(iobase) & 0x0f) == 0x0f ? " not " : " ");
79 #else
80 	printf("\n");
81 #endif
82 }
83