1 /* $OpenBSD: rt_isa.c,v 1.1 2002/08/28 21:20:48 mickey Exp $ */
2 
3 /*
4  * Copyright (c) 2001, 2002 Maxim Tsyplakov <tm@oganer.net>,
5  *                    Vladimir Popov <jumbo@narod.ru>
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20  * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 /* ISA interface for AIMS Lab Radiotrack FM Radio Card device driver */
30 
31 /*
32  * Sanyo LM7000 Direct PLL Frequency Synthesizer
33  */
34 
35 #include <sys/param.h>
36 #include <sys/systm.h>
37 #include <sys/device.h>
38 
39 #include <machine/bus.h>
40 
41 #include <dev/ic/lm700x.h>
42 #include <dev/isa/isavar.h>
43 #include <dev/isa/rtreg.h>
44 #include <dev/isa/rtvar.h>
45 
46 int	rt_isa_probe(struct device *, void *, void *);
47 void	rt_isa_attach(struct device *, struct device *, void *);
48 
49 struct cfattach rt_isa_ca = {
50 	sizeof(struct rt_softc), rt_isa_probe, rt_isa_attach
51 };
52 
53 int
rt_isa_probe(struct device * parent,void * match,void * aux)54 rt_isa_probe(struct device *parent, void *match, void *aux)
55 {
56 	struct isa_attach_args *ia = aux;
57 	bus_space_handle_t ioh;
58 	int iosize = 1;
59 
60 	if (!RT_BASE_VALID(ia->ia_iobase)) {
61 		printf("rt: wrong iobase 0x%x\n", ia->ia_iobase);
62 		return (0);
63 	}
64 
65 	if (bus_space_map(ia->ia_iot, ia->ia_iobase, iosize, 0, &ioh))
66 		return (0);
67 
68 	/* This doesn't work yet */
69 	bus_space_unmap(ia->ia_iot, ioh, iosize);
70 	return (0);
71 #if 0
72 	ia->ia_iosize = iosize;
73 	return 1;
74 #endif /* 0 */
75 }
76 
77 void
rt_isa_attach(struct device * parent,struct device * self,void * aux)78 rt_isa_attach(struct device *parent, struct device *self, void *aux)
79 {
80 	struct rt_softc *sc = (void *) self;
81 	struct isa_attach_args *ia = aux;
82 	bus_space_handle_t ioh;
83 
84 	/* remap I/O */
85 	if (bus_space_map(ia->ia_iot, ia->ia_iobase, ia->ia_iosize, 0, &ioh)) {
86 		printf(": bus_space_map() failed\n");
87 		return;
88 	}
89 
90 	printf(": AIMS Lab Radiotrack or compatible\n");
91 
92 	sc->sc_ct = CARD_RADIOTRACK;
93 	sc->lm.iot = ia->ia_iot;
94 	sc->lm.ioh = ioh;
95 
96 	rtattach(sc);
97 }
98