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      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
     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
     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