95 lines
2.6 KiB
C
95 lines
2.6 KiB
C
/* $NetBSD: arcofi_dio.c,v 1.1 2014/08/24 08:17:44 tsutsui Exp $ */
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/* $OpenBSD: arcofi_dio.c,v 1.1 2011/12/21 23:12:03 miod Exp $ */
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/*
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* Copyright (c) 2011 Miodrag Vallat.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/conf.h>
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#include <sys/device.h>
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#include <sys/bus.h>
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#include <sys/intr.h>
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#include <sys/audioio.h>
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#include <dev/audio_if.h>
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#include <dev/ic/arcofivar.h>
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#include <hp300/dev/dioreg.h>
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#include <hp300/dev/diovar.h>
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#include <hp300/dev/diodevs.h>
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#define SOFTINT_AUDIO SOFTINT_SERIAL /* XXX */
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static void arcofi_dio_attach(device_t, device_t, void *);
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static int arcofi_dio_match(device_t, cfdata_t, void *);
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struct arcofi_dio_softc {
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struct arcofi_softc sc_arcofi;
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struct bus_space_tag sc_tag;
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};
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CFATTACH_DECL_NEW(arcofi_dio, sizeof(struct arcofi_dio_softc),
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arcofi_dio_match, arcofi_dio_attach, NULL, NULL);
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static int
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arcofi_dio_match(device_t parent, cfdata_t match, void *aux)
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{
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struct dio_attach_args *da = aux;
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if (da->da_id != DIO_DEVICE_ID_AUDIO)
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return 0;
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return 1;
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}
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static void
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arcofi_dio_attach(device_t parent, device_t self, void *aux)
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{
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struct arcofi_dio_softc *adsc = device_private(self);
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struct arcofi_softc *sc = &adsc->sc_arcofi;
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struct dio_attach_args *da = aux;
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bus_space_tag_t iot = &adsc->sc_tag;
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int ipl;
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sc->sc_dev = self;
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/* XXX is it better to use sc->sc_reg[] to handle odd sparse map? */
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memcpy(iot, da->da_bst, sizeof(struct bus_space_tag));
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dio_set_bus_space_oddbyte(iot);
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sc->sc_iot = iot;
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if (bus_space_map(iot, da->da_addr, DIOII_SIZEOFF, 0,
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&sc->sc_ioh) != 0) {
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aprint_error(": can't map registers\n");
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return;
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}
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sc->sc_sih = softint_establish(SOFTINT_AUDIO, arcofi_swintr, sc);
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if (sc->sc_sih == NULL) {
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aprint_error(": can't register soft interrupt\n");
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return;
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}
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ipl = da->da_ipl;
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dio_intr_establish(arcofi_hwintr, sc, ipl, IPL_AUDIO);
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aprint_normal("\n");
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arcofi_attach(sc, "dio");
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}
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