NetBSD/sys/dev/isapnp/wss_isapnp.c

188 lines
5.1 KiB
C

/* $NetBSD: wss_isapnp.c,v 1.10 1999/09/06 18:31:45 rh Exp $ */
/*
* Copyright (c) 1997, 1999 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Lennart Augustsson (augustss@netbsd.org).
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/errno.h>
#include <machine/bus.h>
#include <sys/audioio.h>
#include <dev/audio_if.h>
#include <dev/isa/isavar.h>
#include <dev/isa/isadmavar.h>
#include <dev/isapnp/isapnpreg.h>
#include <dev/isapnp/isapnpvar.h>
#include <dev/isapnp/isapnpdevs.h>
#include <dev/isa/ad1848var.h>
#include <dev/isa/madreg.h>
#include <dev/isa/wssreg.h>
#include <dev/isa/wssvar.h>
#include <dev/isa/sbreg.h>
int wss_isapnp_match __P((struct device *, struct cfdata *, void *));
void wss_isapnp_attach __P((struct device *, struct device *, void *));
struct cfattach wss_isapnp_ca = {
sizeof(struct wss_softc), wss_isapnp_match, wss_isapnp_attach
};
/*
* Probe / attach routines.
*/
/*
* Probe for the WSS hardware.
*/
int
wss_isapnp_match(parent, match, aux)
struct device *parent;
struct cfdata *match;
void *aux;
{
int pri, variant;
pri = isapnp_devmatch(aux, &isapnp_wss_devinfo, &variant);
if (pri && variant > 1)
pri = 0;
return (pri);
}
/*
* Attach hardware to driver, attach hardware driver to audio
* pseudo-device driver.
*/
void
wss_isapnp_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct wss_softc *sc = (struct wss_softc *)self;
struct ad1848_softc *ac = &sc->sc_ad1848.sc_ad1848;
struct isapnp_attach_args *ipa = aux;
int variant;
printf("\n");
if (!isapnp_devmatch(aux, &isapnp_wss_devinfo, &variant)) {
printf("%s: match failed?\n", self->dv_xname);
return;
}
if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) {
printf("%s: error in region allocation\n", self->dv_xname);
return;
}
switch (variant) {
case 1:
/* We have to put the chip into `WSS mode'. */
{
bus_space_tag_t iot;
bus_space_handle_t ioh;
iot = ipa->ipa_iot;
ioh = ipa->ipa_io[0].h;
while (bus_space_read_1(iot, ioh,
SBP_DSP_WSTAT) & SB_DSP_BUSY);
bus_space_write_1(iot, ioh, SBP_DSP_WRITE, 0x09);
while (bus_space_read_1(iot, ioh,
SBP_DSP_WSTAT) & SB_DSP_BUSY);
bus_space_write_1(iot, ioh, SBP_DSP_WRITE, 0x00);
while (bus_space_read_1(iot, ioh,
SBP_DSP_WSTAT) & SB_DSP_BUSY);
delay(1000);
}
sc->sc_iot = ipa->ipa_iot;
sc->sc_ioh = ipa->ipa_io[2].h;
break;
default:
sc->sc_iot = ipa->ipa_iot;
sc->sc_ioh = ipa->ipa_io[0].h;
break;
}
sc->mad_chip_type = MAD_NONE;
/* Set up AD1848 I/O handle. */
ac->sc_iot = sc->sc_iot;
ac->sc_ioh = sc->sc_ioh;
ac->mode = 2;
sc->sc_ad1848.sc_ic = ipa->ipa_ic;
sc->wss_ic = ipa->ipa_ic;
sc->wss_irq = ipa->ipa_irq[0].num;
sc->wss_playdrq = ipa->ipa_drq[0].num;
sc->wss_recdrq =
ipa->ipa_ndrq > 1 ? ipa->ipa_drq[1].num : ipa->ipa_drq[0].num;
if (!ad1848_isa_probe(&sc->sc_ad1848)) {
printf("%s: ad1848_probe failed\n", self->dv_xname);
return;
}
printf("%s: %s %s", self->dv_xname, ipa->ipa_devident,
ipa->ipa_devclass);
wssattach(sc);
/* set up OPL I/O handle for ISAPNP boards w/o MAD */
if (ipa->ipa_nio > 1 && sc->mad_chip_type == MAD_NONE) {
struct audio_attach_args arg;
sc->sc_opl_ioh = ipa->ipa_io[1].h;
arg.type = AUDIODEV_TYPE_OPL;
arg.hwif = 0;
arg.hdl = 0;
(void)config_found(&ac->sc_dev, &arg, audioprint);
}
}