root/sys/arch/rs6000/mca/ioplanar.c
/*-
 * Copyright (c) 2007 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Tim Rightnour
 *
 * 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: ioplanar.c,v 1.6 2021/08/07 16:19:03 thorpej Exp $");

#include <sys/param.h>
#include <sys/device.h>
#include <sys/bus.h>

#include <machine/intr.h>

#include <dev/mca/mcavar.h>
#include <dev/mca/mcadevs.h>

#include <rs6000/ioplanar/ioplanarvar.h>

static int      ioplanar_match(device_t, cfdata_t, void *);
static void     ioplanar_attach(device_t, device_t, void *);
static int      ioplanar_print(void *, const char *);
static int      ioplanar_search(device_t, cfdata_t, const int *, void *);

CFATTACH_DECL_NEW(ioplanar, sizeof(struct ioplanar_softc),
    ioplanar_match, ioplanar_attach, NULL, NULL);

struct ioplanar_softc *ioplanar_softc;
extern struct cfdriver ioplanar_cd;

#define RAINBOW_DEVS    7
int rainbow_map[RAINBOW_DEVS] =
        { IOP_COM0, IOP_COM1, IOP_LPD, IOP_KBD_2,
          IOP_TABLET_2, IOP_MOUSE, IOP_FDC_2 };

static int
ioplanar_match(device_t parent, cfdata_t cf, void *aux)
{
        struct mca_attach_args *ma = aux;

        switch (ma->ma_id) {
        case MCA_PRODUCT_IBM_SIO_RAINBOW:
                return 1;
        }

        return 0;
}

static void
ioplanar_attach(device_t parent, device_t self, void *aux)
{
        struct ioplanar_softc *sc = device_private(self);
        struct mca_attach_args *ma = aux;

        aprint_normal("\n");

        ioplanar_softc = sc;
        sc->sc_dev = self;
        sc->sc_ic = ma->ma_mc;
        sc->sc_iot = ma->ma_iot;
        sc->sc_memt = ma->ma_memt;
        sc->sc_dmat = ma->ma_dmat;
        sc->sc_devid = ma->ma_id;

        config_search(self, aux,
            CFARGS(.search = ioplanar_search));
}

static int
ioplanar_search(device_t parent, cfdata_t cf, const int *ldesc, void *aux)
{
        struct ioplanar_dev_attach_args idaa;
        struct mca_attach_args *ma = aux;
        int i;

        idaa.idaa_mc = ma->ma_mc;
        idaa.idaa_iot = ma->ma_iot;
        idaa.idaa_memt = ma->ma_memt;  
        idaa.idaa_dmat = ma->ma_dmat;
        idaa.idaa_devid = ma->ma_id;

        switch (ma->ma_id) {
        case MCA_PRODUCT_IBM_SIO_RAINBOW:
                for (i=0; i < RAINBOW_DEVS; i++) {
                        idaa.idaa_device = rainbow_map[i];
                        if (config_probe(parent, cf, &idaa))
                                config_attach(parent, cf, &idaa,
                                    ioplanar_print, CFARGS_NONE);
                }
                break;
        default:
                return 0;
        }
        return 0;
}

static int
ioplanar_print(void *args, const char *name)
{
        /*struct ioplanar_dev_attach_args *idaa = args;*/

        aprint_normal(": ");
        return (UNCONF);
}