xref: /netbsd-src/sys/dev/isapnp/mpu_isapnp.c (revision 8b0f9554ff8762542c4defc4f70e1eb76fb508fa)
1 /*	$NetBSD: mpu_isapnp.c,v 1.16 2007/10/19 12:00:33 ad Exp $	*/
2 
3 #include <sys/cdefs.h>
4 __KERNEL_RCSID(0, "$NetBSD: mpu_isapnp.c,v 1.16 2007/10/19 12:00:33 ad Exp $");
5 
6 #include "midi.h"
7 
8 #include <sys/param.h>
9 #include <sys/systm.h>
10 #include <sys/errno.h>
11 #include <sys/ioctl.h>
12 #include <sys/syslog.h>
13 #include <sys/device.h>
14 #include <sys/proc.h>
15 
16 #include <sys/bus.h>
17 
18 #include <sys/audioio.h>
19 #include <dev/audio_if.h>
20 #include <dev/midi_if.h>
21 #include <dev/mulaw.h>
22 
23 #include <dev/isa/isavar.h>
24 #include <dev/isa/isadmavar.h>
25 
26 #include <dev/isapnp/isapnpreg.h>
27 #include <dev/isapnp/isapnpvar.h>
28 #include <dev/isapnp/isapnpdevs.h>
29 
30 #include <dev/ic/mpuvar.h>
31 
32 int	mpu_isapnp_match(struct device *, struct cfdata *, void *);
33 void	mpu_isapnp_attach(struct device *, struct device *, void *);
34 
35 struct mpu_isapnp_softc {
36 	struct device sc_dev;
37 	void *sc_ih;
38 
39 	struct mpu_softc sc_mpu;
40 };
41 
42 CFATTACH_DECL(mpu_isapnp, sizeof(struct mpu_isapnp_softc),
43     mpu_isapnp_match, mpu_isapnp_attach, NULL, NULL);
44 
45 int
46 mpu_isapnp_match(struct device *parent, struct cfdata *match,
47     void *aux)
48 {
49 	int pri, variant;
50 
51 	pri = isapnp_devmatch(aux, &isapnp_mpu_devinfo, &variant);
52 	if (pri && variant > 0)
53 		pri = 0;
54 	return (pri);
55 }
56 
57 void
58 mpu_isapnp_attach(struct device *parent, struct device *self,
59     void *aux)
60 {
61 	struct mpu_isapnp_softc *sc = device_private(self);
62 	struct isapnp_attach_args *ipa = aux;
63 
64 	printf("\n");
65 
66 	if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) {
67 		printf("%s: error in region allocation\n",
68 		       sc->sc_dev.dv_xname);
69 		return;
70 	}
71 
72 	sc->sc_mpu.iot = ipa->ipa_iot;
73 	sc->sc_mpu.ioh = ipa->ipa_io[0].h;
74 
75 	if (!mpu_find(&sc->sc_mpu)) {
76 		printf("%s: find failed\n", sc->sc_dev.dv_xname);
77 		return;
78 	}
79 
80 	printf("%s: %s %s\n", sc->sc_dev.dv_xname, ipa->ipa_devident,
81 	       ipa->ipa_devclass);
82 
83 	sc->sc_mpu.model = "Roland MPU-401 MIDI UART";
84 
85 	midi_attach_mi(&mpu_midi_hw_if, &sc->sc_mpu, &sc->sc_dev);
86 
87 	sc->sc_ih = isa_intr_establish(ipa->ipa_ic, ipa->ipa_irq[0].num,
88 	    ipa->ipa_irq[0].type, IPL_AUDIO, mpu_intr, &sc->sc_mpu);
89 }
90