/*      $NetBSD: ym_isapnp.c,v 1.26 2019/05/08 13:40:18 isaki Exp $ */

/*
* Copyright (c) 1991-1993 Regents of the University of California.
* All rights reserved.
*
* 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 Computer Systems
*      Engineering Group at Lawrence Berkeley Laboratory.
* 4. Neither the name of the University nor of the Laboratory may be used
*    to endorse or promote products derived from this software without
*    specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
*
*/

/*
*  Driver for the Yamaha OPL3-SA3 chipset. This is found on many laptops
*  and Pentium (II) motherboards.
*
*  Original code from OpenBSD.
*/

#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: ym_isapnp.c,v 1.26 2019/05/08 13:40:18 isaki Exp $");

#include "mpu_ym.h"

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/errno.h>

#include <sys/audioio.h>
#include <dev/audio/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/ic/ad1848reg.h>
#include <dev/isa/ad1848var.h>

#include <dev/ic/cs4231reg.h>
#include <dev/isa/cs4231var.h>

#include <dev/ic/opl3sa3reg.h>
#include <dev/isa/wssreg.h>
#include <dev/isa/ymvar.h>

int     ym_isapnp_match(device_t, cfdata_t, void *);
void    ym_isapnp_attach(device_t, device_t, void *);

CFATTACH_DECL_NEW(ym_isapnp, sizeof(struct ym_softc),
   ym_isapnp_match, ym_isapnp_attach, NULL, NULL);

/*
* Probe / attach routines.
*/

/*
* Probe for the Yamaha hardware.
*/
int
ym_isapnp_match(device_t parent, cfdata_t match, void *aux)
{
       int pri, variant;

       pri = isapnp_devmatch(aux, &isapnp_ym_devinfo, &variant);
       if (pri && variant > 0)
               pri = 0;
       return pri;
}

/*
* Attach hardware to driver, attach hardware driver to audio
* pseudo-device driver.
*/
void
ym_isapnp_attach(device_t parent, device_t self, void *aux)
{
       struct ym_softc *sc;
       struct ad1848_softc *ac;
       struct isapnp_attach_args *ipa;

       sc = device_private(self);
       ac = &sc->sc_ad1848.sc_ad1848;
       ac->sc_dev = self;
       ipa = aux;
       printf("\n");

       if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) {
               aprint_error_dev(self, "error in region allocation\n");
               return;
       }

       sc->sc_iot = ipa->ipa_iot;
       sc->sc_ic = ipa->ipa_ic;
       sc->sc_ioh = ipa->ipa_io[1].h;

       sc->ym_irq = ipa->ipa_irq[0].num;
       sc->ym_playdrq = ipa->ipa_drq[0].num;
       sc->ym_recdrq = ipa->ipa_drq[1].num;

       sc->sc_sb_ioh = ipa->ipa_io[0].h;
       sc->sc_opl_ioh = ipa->ipa_io[2].h;
#if NMPU_YM > 0
       sc->sc_mpu_ioh = ipa->ipa_io[3].h;
#endif
       sc->sc_controlioh = ipa->ipa_io[4].h;

       ac->sc_iot = sc->sc_iot;
       if (bus_space_subregion(sc->sc_iot, sc->sc_ioh, WSS_CODEC, AD1848_NPORT,
           &ac->sc_ioh)) {
               aprint_error_dev(self, "bus_space_subregion failed\n");
               return;
       }
       ac->mode = 2;
       ac->MCE_bit = MODE_CHANGE_ENABLE;

       sc->sc_ad1848.sc_ic  = sc->sc_ic;

       printf("%s: %s %s", device_xname(self), ipa->ipa_devident,
           ipa->ipa_devclass);

       ym_attach(sc);
}