/*      $NetBSD: autoconf.c,v 1.33 2026/02/18 13:35:40 thorpej Exp $    */

/*-
 * Copyright (c) 1990 The Regents of the University of California.
 * All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * William Jolitz.
 *
 * 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. Neither the name of the University 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 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.
 *
 *      @(#)autoconf.c  7.1 (Berkeley) 5/9/91
 */

#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: autoconf.c,v 1.33 2026/02/18 13:35:40 thorpej Exp $");

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

#include <dev/cons.h>
#include <dev/pci/pcivar.h>

#include <net/if.h>
#include <net/if_ether.h>

#include <machine/bootinfo.h>
#include <machine/pio.h>

#include <dev/i2c/i2c_calls.h>
#include <dev/i2c/i2c_enum.h>

static struct btinfo_rootdevice *bi_rdev;
static struct btinfo_bootpath *bi_path;
static struct btinfo_net *bi_net;
static struct btinfo_prodfamily *bi_pfam;
static struct btinfo_model *bi_model;

static const struct i2c_deventry dlink_i2cdevs[] = {
        { .name         =       "strtc",
          .compat       =       "st,m41t80",
          .addr         =       0x68 },

        I2C_DEVENTRY_EOL
};

static const struct i2c_deventry iomega_i2cdevs[] = {
        { .name         =       "dsrtc",
          .compat       =       "dallas,ds1307",
          .addr         =       0x68 },

        I2C_DEVENTRY_EOL
};

static const struct i2c_deventry kurobox_i2cdevs[] = {
        { .name         =       "rs5c372rtc",
          .compat       =       "ricoh,rs5c372a",
          .addr         =       0x32 },

        I2C_DEVENTRY_EOL
};

static const struct i2c_deventry nhnas_i2cdevs[] = {
        { .name         =       "pcf8563rtc",
          .compat       =       "nxp,pcf8563",
          .addr         =       0x51 },

        I2C_DEVENTRY_EOL
};

static const struct i2c_deventry qnap_i2cdevs[] = {
        { .name         =       "s390rtc",
          .compat       =       "sii,s35390a",
          .addr         =       0x30 },

        I2C_DEVENTRY_EOL
};

static const struct i2c_deventry synology_i2cdevs[] = {
        { .name         =       "rs5c372rtc",
          .compat       =       "ricoh,rs5c372a",
          .addr         =       0x32 },

        { .name         =       "lmtemp",
          .compat       =       "national,lm75",
          .addr         =       0x48,
          .value        =       BI_MODEL_THERMAL },

        I2C_DEVENTRY_EOL
};

static const struct device_compatible_entry sandpoint_i2c_devices[] = {
        { .compat       =       "dlink",
          .data         =       dlink_i2cdevs },

        { .compat       =       "iomega",
          .data         =       iomega_i2cdevs },

        { .compat       =       "kurobox",
          .data         =       kurobox_i2cdevs },
        { .compat       =       "kurot4",
          .data         =       kurobox_i2cdevs },

        { .compat       =       "nhnas",
          .data         =       nhnas_i2cdevs },

        { .compat       =       "qnap",
          .data         =       qnap_i2cdevs },

        { .compat       =       "synology",
          .data         =       synology_i2cdevs },

        DEVICE_COMPAT_EOL
};

static bool
sandpoint_i2cdev_callback(device_t dev, devhandle_t call_handle,
    const struct i2c_deventry *entry, devhandle_t *child_devhandlep)
{
        return (entry->value == 0 ||
                (entry->value & bi_model->flags) != 0);
}

static int
sandpoint_i2c_enumerate_devices(device_t dev, devhandle_t call_handle, void *v)
{
        struct i2c_enumerate_devices_args *args = v;

        /* Pointer to the table has been stashed in the devhandle. */
        const struct i2c_deventry *table = call_handle.const_pointer;

        return i2c_enumerate_deventries(dev, call_handle, args,
            table, sandpoint_i2cdev_callback);
}

static device_call_t
sandpoint_i2c_lookup_device_call(devhandle_t handle, const char *name,
    devhandle_t *call_handlep)
{
        if (strcmp(name, I2C_ENUMERATE_DEVICES_STR) == 0) {
                return sandpoint_i2c_enumerate_devices;
        }

        /* Defer everything else to the "super". */
        return NULL;
}

static const struct devhandle_impl sandpoint_i2c_devhandle_impl = {
        .type = DEVHANDLE_TYPE_PRIVATE,
        .lookup_device_call = sandpoint_i2c_lookup_device_call,
};

/*
 * Determine i/o configuration for a machine.
 */
void
cpu_configure(void)
{

        bi_rdev = lookup_bootinfo(BTINFO_ROOTDEVICE);
        bi_path = lookup_bootinfo(BTINFO_BOOTPATH);
        bi_net = lookup_bootinfo(BTINFO_NET);
        bi_pfam = lookup_bootinfo(BTINFO_PRODFAMILY);
        bi_model = lookup_bootinfo(BTINFO_MODEL);

        if (config_rootfound("mainbus", NULL) == NULL)
                panic("configure: mainbus not configured");

        genppc_cpu_configure();
}

void
cpu_rootconf(void)
{

        if (bi_path != NULL)
                booted_kernel = bi_path->bootpath;

        aprint_normal("boot device: %s\n",
            booted_device ? device_xname(booted_device) : "<unknown>");
        rootconf();
}

void
device_register(device_t dev, void *aux)
{
        struct pci_attach_args *pa;
        static device_t boot_parent = NULL, net_parent = NULL;
        static pcitag_t boot_tag, net_tag;
        pcitag_t tag;

        if (device_is_a(dev, "skc")) {
                pa = aux;
                if (bi_rdev != NULL && bi_rdev->cookie == pa->pa_tag) {
                        boot_parent = dev;
                        boot_tag = pa->pa_tag;
                }
                if (bi_net != NULL && bi_net->cookie == pa->pa_tag) {
                        net_parent = dev;
                        net_tag = pa->pa_tag;
                }
        }
        else if (device_class(dev) == DV_IFNET) {
                if (device_is_a(device_parent(dev), "pci")) {
                        pa = aux;
                        tag = pa->pa_tag;
                } else if (device_parent(dev) == boot_parent)
                        tag = boot_tag;
                else if (device_parent(dev) == net_parent)
                        tag = net_tag;
                else
                        tag = 0;

                if (bi_rdev != NULL && device_is_a(dev, bi_rdev->devname)
                    && bi_rdev->cookie == tag)
                        booted_device = dev;

                if (bi_net != NULL && device_is_a(dev, bi_net->devname)
                    && bi_net->cookie == tag) {
                        if (! device_setprop_data(dev, "mac-address",
                                                  bi_net->mac_address,
                                                  ETHER_ADDR_LEN)) {
                                printf("WARNING: unable to set mac-addr "
                                    "property for %s\n", device_xname(dev));
                        }
                        bi_net = NULL;  /* do it just once */
                }
        }
        else if (bi_rdev != NULL && device_class(dev) == DV_DISK
            && device_is_a(dev, bi_rdev->devname)
            && device_unit(dev) == (bi_rdev->cookie >> 8)) {
                booted_device = dev;
                booted_partition = bi_rdev->cookie & 0xff;
        }
        else if (device_is_a(dev, "ociic") && bi_pfam != NULL) {
                const struct device_compatible_entry *dce =
                    device_compatible_lookup_strlist(bi_pfam->name,
                        strlen(bi_pfam->name) + 1, sandpoint_i2c_devices);
                if (dce != NULL) {
                        devhandle_t new_devhandle = {
                                .impl = &sandpoint_i2c_devhandle_impl,
                                .const_pointer = dce->data,
                        };
                        device_set_handle(dev, new_devhandle);
                }
        }
}