xref: /netbsd-src/sys/arch/hp300/dev/arcofi_dio.c (revision 594f789a5c7bef0390e4223293d2f6fcada88e9b)
1 /*	$NetBSD: arcofi_dio.c,v 1.3 2024/01/16 05:48:28 thorpej Exp $	*/
2 /*	$OpenBSD: arcofi_dio.c,v 1.1 2011/12/21 23:12:03 miod Exp $	*/
3 
4 /*
5  * Copyright (c) 2011 Miodrag Vallat.
6  *
7  * Permission to use, copy, modify, and distribute this software for any
8  * purpose with or without fee is hereby granted, provided that the above
9  * copyright notice and this permission notice appear in all copies.
10  *
11  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18  */
19 
20 #include <sys/param.h>
21 #include <sys/systm.h>
22 #include <sys/conf.h>
23 #include <sys/device.h>
24 #include <sys/bus.h>
25 #include <sys/intr.h>
26 
27 #include <sys/audioio.h>
28 #include <dev/audio/audio_if.h>
29 #include <dev/ic/arcofivar.h>
30 
31 #include <hp300/dev/dioreg.h>
32 #include <hp300/dev/diovar.h>
33 
34 #include <hp300/dev/diodevs.h>
35 
36 #define SOFTINT_AUDIO	SOFTINT_SERIAL	/* XXX */
37 
38 static void	arcofi_dio_attach(device_t, device_t, void *);
39 static int	arcofi_dio_match(device_t, cfdata_t, void *);
40 
41 struct arcofi_dio_softc {
42 	struct arcofi_softc	sc_arcofi;
43 
44 	struct bus_space_tag sc_tag;
45 };
46 
47 CFATTACH_DECL_NEW(arcofi_dio, sizeof(struct arcofi_dio_softc),
48     arcofi_dio_match, arcofi_dio_attach, NULL, NULL);
49 
50 static int
arcofi_dio_match(device_t parent,cfdata_t match,void * aux)51 arcofi_dio_match(device_t parent, cfdata_t match, void *aux)
52 {
53 	struct dio_attach_args *da = aux;
54 
55 	if (da->da_id != DIO_DEVICE_ID_AUDIO)
56 		return 0;
57 
58 	return 1;
59 }
60 
61 static void
arcofi_dio_attach(device_t parent,device_t self,void * aux)62 arcofi_dio_attach(device_t parent, device_t self, void *aux)
63 {
64 	struct arcofi_dio_softc *adsc = device_private(self);
65 	struct arcofi_softc *sc = &adsc->sc_arcofi;
66 	struct dio_attach_args *da = aux;
67 	bus_space_tag_t iot = &adsc->sc_tag;
68 	int ipl;
69 
70 	sc->sc_dev = self;
71 
72 	/* XXX is it better to use sc->sc_reg[] to handle odd sparse map? */
73 	memcpy(iot, da->da_bst, sizeof(struct bus_space_tag));
74 	dio_set_bus_space_oddbyte(iot);
75 	sc->sc_iot = iot;
76 
77 	if (bus_space_map(iot, da->da_addr, DIOII_SIZEOFF, 0,
78 	    &sc->sc_ioh) != 0) {
79 		aprint_error(": can't map registers\n");
80 		return;
81 	}
82 
83 	ipl = da->da_ipl;
84 	dio_intr_establish(arcofi_hwintr, sc, ipl, ISRPRI_AUDIO);
85 
86 	aprint_normal("\n");
87 
88 	arcofi_attach(sc, "dio");
89 }
90