/*	$NetBSD: autoconf.c,v 1.32 2025/10/03 14:05:12 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 1.32 2025/10/03 14:05:12 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;

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

	return 0;
}

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);
		}
	}
}

.