245 lines
6.2 KiB
C
245 lines
6.2 KiB
C
/* $NetBSD: gus_isapnp.c,v 1.30 2006/11/16 01:33:05 christos Exp $ */
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/*
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* Copyright (c) 1997, 1999 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* Author: Kari Mettinen
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: gus_isapnp.c,v 1.30 2006/11/16 01:33:05 christos Exp $");
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#include "guspnp.h"
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#if NGUSPNP > 0
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#include <sys/param.h>
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#include <sys/fcntl.h>
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#include <sys/vnode.h>
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#include <sys/poll.h>
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#include <sys/malloc.h>
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#include <sys/select.h>
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#include <sys/systm.h>
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#include <sys/errno.h>
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#include <sys/ioctl.h>
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#include <sys/syslog.h>
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#include <sys/device.h>
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#include <sys/proc.h>
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#include <machine/bus.h>
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#include <sys/audioio.h>
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#include <dev/audio_if.h>
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#include <dev/audiovar.h>
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#include <dev/mulaw.h>
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#include <dev/isa/isavar.h>
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#include <dev/isa/isadmavar.h>
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#include <dev/isapnp/isapnpreg.h>
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#include <dev/isapnp/isapnpvar.h>
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#include <dev/isapnp/isapnpdevs.h>
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#include <dev/ic/interwavevar.h>
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#include <dev/ic/interwavereg.h>
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int gus_isapnp_match(struct device *, struct cfdata *, void *);
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void gus_isapnp_attach(struct device *, struct device *, void *);
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static int gus_isapnp_open(void *, int);
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static const struct audio_hw_if guspnp_hw_if = {
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gus_isapnp_open,
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iwclose,
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NULL, /* drain */
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iw_query_encoding,
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iw_set_params,
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iw_round_blocksize,
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iw_commit_settings,
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iw_init_output,
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iw_init_input,
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iw_start_output,
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iw_start_input,
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iw_halt_output,
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iw_halt_input,
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iw_speaker_ctl,
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iw_getdev,
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iw_setfd,
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iw_set_port,
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iw_get_port,
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iw_query_devinfo,
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iw_malloc,
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iw_free,
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iw_round_buffersize,
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iw_mappage,
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iw_get_props,
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NULL, /* trigger_output */
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NULL, /* trigger_input */
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NULL, /* dev_ioctl */
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NULL, /* powerstate */
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};
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CFATTACH_DECL(guspnp, sizeof(struct iw_softc),
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gus_isapnp_match, gus_isapnp_attach, NULL, NULL);
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extern struct cfdriver guspnp_cd;
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/*
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* Probe / attach routines.
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*/
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/*
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* Probe for the guspnp hardware.
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*
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* The thing has 5 separate devices on the card
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*/
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static int gus_0 = 1; /* XXX what's this */
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int
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gus_isapnp_match(struct device *parent, struct cfdata *match,
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void *aux)
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{
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int pri, variant;
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pri = isapnp_devmatch(aux, &isapnp_gus_devinfo, &variant);
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if (pri && variant > 0)
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pri = 0;
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return pri;
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}
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/*
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* Attach hardware to driver, attach hardware driver to audio
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* pseudo-device driver.
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*/
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void
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gus_isapnp_attach(struct device *parent, struct device *self,
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void *aux)
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{
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struct iw_softc *sc;
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struct isapnp_attach_args *ipa;
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sc = device_private(self);
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ipa = aux;
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printf("\n");
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if (!gus_0)
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return;
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gus_0 = 0;
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if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) {
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printf("%s: error in region allocation\n",
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sc->sc_dev.dv_xname);
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return;
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}
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sc->sc_iot = ipa->ipa_iot;
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/* handle is the region base */
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sc->dir_h = 0; /* XXXXX */
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sc->p2xr = 0;
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sc->p2xr_h = ipa->ipa_io[0].h;
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sc->sc_p2xr_ic = ipa->ipa_ic;
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sc->p3xr = 0;
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sc->p3xr_h = ipa->ipa_io[1].h;
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sc->sc_p3xr_ic = ipa->ipa_ic;
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sc->codec_index = 0;
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sc->codec_index_h = ipa->ipa_io[2].h;
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sc->sc_irq = ipa->ipa_irq[0].num;
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sc->sc_recdrq = ipa->ipa_drq[0].num;
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sc->sc_playdrq = ipa->ipa_drq[1].num;
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sc->sc_ic = ipa->ipa_ic;
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/*
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* Create our DMA maps.
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*/
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if (sc->sc_playdrq != -1) {
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sc->sc_play_maxsize = isa_dmamaxsize(sc->sc_ic,
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sc->sc_playdrq);
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if (isa_drq_alloc(sc->sc_ic, sc->sc_playdrq) != 0) {
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printf("%s: can't reserve drq %d\n",
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sc->sc_dev.dv_xname, sc->sc_playdrq);
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return;
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}
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if (isa_dmamap_create(sc->sc_ic, sc->sc_playdrq,
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sc->sc_play_maxsize, BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW)) {
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printf("%s: can't create map for drq %d\n",
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sc->sc_dev.dv_xname, sc->sc_playdrq);
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return;
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}
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}
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if (sc->sc_recdrq != -1) {
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sc->sc_rec_maxsize = isa_dmamaxsize(sc->sc_ic,
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sc->sc_recdrq);
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if (isa_drq_alloc(sc->sc_ic, sc->sc_recdrq) != 0) {
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printf("%s: can't reserve drq %d\n",
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sc->sc_dev.dv_xname, sc->sc_recdrq);
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return;
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}
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if (isa_dmamap_create(sc->sc_ic, sc->sc_recdrq,
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sc->sc_rec_maxsize, BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW)) {
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printf("%s: can't create map for drq %d\n",
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sc->sc_dev.dv_xname, sc->sc_recdrq);
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return;
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}
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}
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/*
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* isapnp is a child if isa, and we need isa for the DMA
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* routines.
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*/
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sc->iw_cd = &guspnp_cd;
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sc->iw_hw_if = &guspnp_hw_if;
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printf("%s: %s %s", sc->sc_dev.dv_xname, ipa->ipa_devident,
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ipa->ipa_devclass);
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iwattach(sc);
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}
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static int
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gus_isapnp_open(void *addr, int flags)
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{
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/* open hardware */
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struct iw_softc *sc;
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sc = (struct iw_softc *)addr;
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if (!sc)
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return ENXIO;
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return iwopen(sc,flags);
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}
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#endif /* NGUSPNP */
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