xref: /openbsd/sys/dev/isa/mpu_isapnp.c (revision 3cab2bb3)
1 /*	$OpenBSD: mpu_isapnp.c,v 1.8 2014/09/14 14:17:25 jsg 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 
12 #include <machine/bus.h>
13 
14 #include <sys/audioio.h>
15 #include <dev/audio_if.h>
16 #include <dev/midi_if.h>
17 #include <dev/mulaw.h>
18 
19 #include <dev/isa/isavar.h>
20 #include <dev/isa/isadmavar.h>
21 
22 #include <dev/ic/mpuvar.h>
23 
24 int	mpu_isapnp_match(struct device *, void *, void *);
25 void	mpu_isapnp_attach(struct device *, struct device *, void *);
26 
27 struct mpu_isapnp_softc {
28 	struct device sc_dev;
29 	void *sc_ih;
30 
31 	struct mpu_softc sc_mpu;
32 };
33 
34 struct cfattach mpu_isapnp_ca = {
35 	sizeof(struct mpu_isapnp_softc), mpu_isapnp_match, mpu_isapnp_attach
36 };
37 
38 int
39 mpu_isapnp_match(parent, match, aux)
40 	struct device *parent;
41 	void *match, *aux;
42 {
43 	struct isa_attach_args *ipa = aux;
44 
45 	if (ipa->ipa_nirq != 1)
46 		return 0;
47 	return 1;
48 }
49 
50 void
51 mpu_isapnp_attach(parent, self, aux)
52 	struct device *parent, *self;
53 	void *aux;
54 {
55 	struct mpu_isapnp_softc *sc = (struct mpu_isapnp_softc *)self;
56 	struct isa_attach_args *ipa = aux;
57 
58 	printf("\n");
59 
60 	sc->sc_mpu.iot = ipa->ia_iot;
61 	sc->sc_mpu.ioh = ipa->ipa_io[0].h;
62 
63 	sc->sc_ih = isa_intr_establish(ipa->ia_ic, ipa->ipa_irq[0].num,
64 	    ipa->ipa_irq[0].type, IPL_AUDIO | IPL_MPSAFE,
65 	    mpu_intr, &sc->sc_mpu, sc->sc_dev.dv_xname);
66 
67 	if (!mpu_find(&sc->sc_mpu)) {
68 		printf("%s: find failed\n", sc->sc_dev.dv_xname);
69 		return;
70 	}
71 
72 	printf("%s: %s %s\n", sc->sc_dev.dv_xname, ipa->ipa_devident,
73 	       ipa->ipa_devclass);
74 
75 	midi_attach_mi(&mpu_midi_hw_if, &sc->sc_mpu, &sc->sc_dev);
76 }
77