2298f7abf4
BIOS and attaches devices to it. While it is potentially able to deal with all the motherboard ISA devices, it is only used in hairy cases for now - laptop stuff in particular.
132 lines
3.8 KiB
C
132 lines
3.8 KiB
C
/* $NetBSD: wss_pnpbios.c,v 1.1 1999/11/12 18:36:46 drochner Exp $ */
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/*
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* Copyright (c) 1999
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* Matthias Drochner. All rights reserved.
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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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/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/isa/isavar.h>
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#include <dev/isa/isadmavar.h>
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#include <i386/pnpbios/pnpbiosvar.h>
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#include <dev/isa/ad1848var.h>
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#include <dev/isa/wssreg.h>
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#include <dev/isa/wssvar.h>
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int wss_pnpbios_match __P((struct device *, struct cfdata *, void *));
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void wss_pnpbios_attach __P((struct device *, struct device *, void *));
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struct cfattach wss_pnpbios_ca = {
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sizeof(struct wss_softc), wss_pnpbios_match, wss_pnpbios_attach
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};
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int
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wss_pnpbios_match(parent, match, aux)
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struct device *parent;
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struct cfdata *match;
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void *aux;
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{
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struct pnpbiosdev_attach_args *aa = aux;
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if (strcmp(aa->idstr, "NMX2210"))
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return (0);
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return (2); /* beat sb */
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}
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void
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wss_pnpbios_attach(parent, self, aux)
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struct device *parent, *self;
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void *aux;
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{
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struct wss_softc *sc = (void *)self;
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struct pnpbiosdev_attach_args *aa = aux;
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struct audio_attach_args arg;
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#if 0
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static u_char interrupt_bits[12] = {
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-1, -1, -1, -1, -1, -1, -1, 0x08, -1, 0x10, 0x18, 0x20
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};
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static u_char dma_bits[4] = {1, 2, 0, 3};
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#endif
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if (pnpbios_io_map(aa->pbt, aa->resc, 1, &sc->sc_iot, &sc->sc_ioh)) {
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printf(": can't map i/o space\n");
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return;
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}
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if (pnpbios_io_map(aa->pbt, aa->resc, 2, &sc->sc_iot, &sc->sc_opl_ioh)) {
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printf(": can't map i/o space\n");
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return;
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}
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sc->wss_ic = aa->ic;
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if (pnpbios_getirqnum(aa->pbt, aa->resc, 0, &sc->wss_irq)) {
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printf(": can't get IRQ\n");
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return;
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}
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if (pnpbios_getdmachan(aa->pbt, aa->resc, 0, &sc->wss_playdrq)) {
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printf(": can't get DMA channel\n");
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return;
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}
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if (pnpbios_getdmachan(aa->pbt, aa->resc, 1, &sc->wss_recdrq))
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sc->wss_recdrq = -1;
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sc->sc_ad1848.sc_ad1848.sc_iot = sc->sc_iot;
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bus_space_subregion(sc->sc_iot, sc->sc_ioh, WSS_CODEC, 4,
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&sc->sc_ad1848.sc_ad1848.sc_ioh);
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printf("\n%s", self->dv_xname);
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if (!ad1848_isa_probe(&sc->sc_ad1848)) {
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printf("%s: ad1848 probe failed\n", self->dv_xname);
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return;
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}
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wssattach(sc);
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#if 0
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/* XXX recdrq */
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bus_space_write_1(sc->sc_iot, sc->sc_ioh, WSS_CONFIG,
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(interrupt_bits[sc->wss_irq] | dma_bits[sc->wss_playdrq]));
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#endif
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arg.type = AUDIODEV_TYPE_OPL;
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arg.hwif = 0;
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arg.hdl = 0;
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(void)config_found(self, &arg, audioprint);
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}
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