xref: /openbsd-src/sys/dev/isa/mpu_isapnp.c (revision b2ea75c1b17e1a9a339660e7ed45cd24946b230e)
1 /*	$OpenBSD: mpu_isapnp.c,v 1.4 2001/07/08 06:41:38 fgsch Exp $	*/
2 
3 #include "midi.h"
4 
5 #include <sys/param.h>
6 #include <sys/systm.h>
7 #include <sys/errno.h>
8 #include <sys/ioctl.h>
9 #include <sys/syslog.h>
10 #include <sys/device.h>
11 #include <sys/proc.h>
12 
13 #include <machine/bus.h>
14 
15 #include <sys/audioio.h>
16 #include <dev/audio_if.h>
17 #include <dev/midi_if.h>
18 #include <dev/mulaw.h>
19 
20 #include <dev/isa/isavar.h>
21 #include <dev/isa/isadmavar.h>
22 
23 #include <dev/ic/mpuvar.h>
24 
25 int	mpu_isapnp_match __P((struct device *, void *, void *));
26 void	mpu_isapnp_attach __P((struct device *, struct device *, void *));
27 
28 struct mpu_isapnp_softc {
29 	struct device sc_dev;
30 	void *sc_ih;
31 
32 	struct mpu_softc sc_mpu;
33 };
34 
35 struct cfdriver mpu_cd = {
36 	NULL, "mpu", DV_DULL
37 };
38 
39 struct cfattach mpu_isapnp_ca = {
40 	sizeof(struct mpu_isapnp_softc), mpu_isapnp_match, mpu_isapnp_attach
41 };
42 
43 int
44 mpu_isapnp_match(parent, match, aux)
45 	struct device *parent;
46 	void *match, *aux;
47 {
48 	struct isa_attach_args *ipa = aux;
49 
50 	if (ipa->ipa_nirq != 1)
51 		return 0;
52 	return 1;
53 }
54 
55 void
56 mpu_isapnp_attach(parent, self, aux)
57 	struct device *parent, *self;
58 	void *aux;
59 {
60 	struct mpu_isapnp_softc *sc = (struct mpu_isapnp_softc *)self;
61 	struct isa_attach_args *ipa = aux;
62 
63 	printf("\n");
64 
65 	sc->sc_mpu.iot = ipa->ia_iot;
66 	sc->sc_mpu.ioh = ipa->ipa_io[0].h;
67 
68 	sc->sc_ih = isa_intr_establish(ipa->ia_ic, ipa->ipa_irq[0].num,
69 	    ipa->ipa_irq[0].type, IPL_AUDIO, mpu_intr, &sc->sc_mpu,
70 	    sc->sc_dev.dv_xname);
71 
72 	if (!mpu_find(&sc->sc_mpu)) {
73 		printf("%s: find failed\n", sc->sc_dev.dv_xname);
74 		return;
75 	}
76 
77 	printf("%s: %s %s\n", sc->sc_dev.dv_xname, ipa->ipa_devident,
78 	       ipa->ipa_devclass);
79 
80 	midi_attach_mi(&mpu_midi_hw_if, &sc->sc_mpu, &sc->sc_dev);
81 }
82