/*      $NetBSD: ipaq_saip.c,v 1.26 2023/12/20 14:50:02 thorpej Exp $   */

/*-
* Copyright (c) 2001, The NetBSD Foundation, Inc.  All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Ichiro FUKUHARA ([email protected]).
*
* 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.
*
* 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/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: ipaq_saip.c,v 1.26 2023/12/20 14:50:02 thorpej Exp $");

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/types.h>
#include <sys/conf.h>
#include <sys/device.h>
#include <sys/kernel.h>
#include <sys/uio.h>
#include <sys/bus.h>

#include <machine/cpu.h>

#include <arm/sa11x0/sa11x0_var.h>
#include <arm/sa11x0/sa11x0_reg.h>
#include <arm/sa11x0/sa11x0_dmacreg.h>
#include <arm/sa11x0/sa11x0_ppcreg.h>
#include <arm/sa11x0/sa11x0_gpioreg.h>
#include <arm/sa11x0/sa11x0_sspreg.h>

#include <hpcarm/dev/ipaq_saipvar.h>
#include <hpcarm/dev/ipaq_gpioreg.h>

/* prototypes */
static int      ipaq_match(device_t, cfdata_t, void *);
static void     ipaq_attach(device_t, device_t, void *);
static int      ipaq_search(device_t, cfdata_t, const int *, void *);
static int      ipaq_print(void *, const char *);

/* attach structures */
CFATTACH_DECL_NEW(ipaqbus, sizeof(struct ipaq_softc),
   ipaq_match, ipaq_attach, NULL, NULL);

static int
ipaq_print(void *aux, const char *name)
{
       return (UNCONF);
}

int
ipaq_match(device_t parent, cfdata_t match, void *aux)
{
       return (1);
}

void
ipaq_attach(device_t parent, device_t self, void *aux)
{
       struct ipaq_softc *sc = device_private(self);
       struct sa11x0_softc *psc = device_private(parent);

       aprint_normal("\n");

       sc->sc_dev = self;
       sc->sc_iot = psc->sc_iot;
       sc->sc_ioh = psc->sc_ioh;
       sc->sc_gpioh = psc->sc_gpioh;

       /* Map the Extended GPIO registers */
       if (bus_space_map(sc->sc_iot, SAEGPIO_BASE, 1, 0, &sc->sc_egpioh))
               panic("%s: unable to map Extended GPIO registers",
                       device_xname(self));

       sc->ipaq_egpio = EGPIO_INIT;
       bus_space_write_2(sc->sc_iot, sc->sc_egpioh, 0, sc->ipaq_egpio);

       /* Map the SSP registers */
       if (bus_space_map(sc->sc_iot, SASSP_BASE, SASSP_NPORTS, 0, &sc->sc_ssph))
               panic("%s: unable to map SSP registers",
                       device_xname(self));

       sc->sc_ppch = psc->sc_ppch;
       sc->sc_dmach = psc->sc_dmach;

       /*
        *  Attach each devices
        */
       config_search(self, NULL,
           CFARGS(.search = ipaq_search));
}

int
ipaq_search(device_t parent, cfdata_t cf, const int *ldesc, void *aux)
{
       if (config_probe(parent, cf, NULL))
               config_attach(parent, cf, NULL, ipaq_print, CFARGS_NONE);

       return 0;
}