// SPDX-License-Identifier: ISC
/*
 * Copyright The Asahi Linux Contributors
 */

#include <linux/acpi.h>
#include "debug.h"
#include "core.h"
#include "common.h"

void brcmf_acpi_probe(struct device *dev, enum brcmf_bus_type bus_type,
                      struct brcmf_mp_device *settings)
{
        acpi_status status;
        const union acpi_object *o;
        struct acpi_buffer buf = {ACPI_ALLOCATE_BUFFER, NULL};
        struct acpi_device *adev = ACPI_COMPANION(dev);

        if (!adev)
                return;

        if (!ACPI_FAILURE(acpi_dev_get_property(adev, "module-instance",
                                                ACPI_TYPE_STRING, &o))) {
                brcmf_dbg(INFO, "ACPI module-instance=%s\n", o->string.pointer);
                settings->board_type = devm_kasprintf(dev, GFP_KERNEL,
                                                      "apple,%s",
                                                      o->string.pointer);
        } else {
                brcmf_dbg(INFO, "No ACPI module-instance\n");
                return;
        }

        status = acpi_evaluate_object(adev->handle, "RWCV", NULL, &buf);
        o = buf.pointer;
        if (!ACPI_FAILURE(status) && o && o->type == ACPI_TYPE_BUFFER &&
            o->buffer.length >= 2) {
                char *antenna_sku = devm_kzalloc(dev, 3, GFP_KERNEL);

                if (antenna_sku) {
                        memcpy(antenna_sku, o->buffer.pointer, 2);
                        brcmf_dbg(INFO, "ACPI RWCV data=%*phN antenna-sku=%s\n",
                                  (int)o->buffer.length, o->buffer.pointer,
                                  antenna_sku);
                        settings->antenna_sku = antenna_sku;
                }

                kfree(buf.pointer);
        } else {
                brcmf_dbg(INFO, "No ACPI antenna-sku\n");
        }
}