// SPDX-License-Identifier: GPL-2.0
/*
 * Platform driver for the Intel SCU.
 *
 * Copyright (C) 2019, Intel Corporation
 * Authors: Divya Sasidharan <divya.s.sasidharan@intel.com>
 *          Mika Westerberg <mika.westerberg@linux.intel.com>
 *          Rajmohan Mani <rajmohan.mani@intel.com>
 */

#include <linux/err.h>
#include <linux/errno.h>
#include <linux/ioport.h>
#include <linux/module.h>
#include <linux/platform_device.h>

#include <linux/platform_data/x86/intel_scu_ipc.h>

static int intel_scu_platform_probe(struct platform_device *pdev)
{
        struct intel_scu_ipc_data scu_data = {};
        struct intel_scu_ipc_dev *scu;
        const struct resource *res;

        scu_data.irq = platform_get_irq_optional(pdev, 0);
        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
        if (!res)
                return -ENOMEM;

        scu_data.mem = *res;

        scu = devm_intel_scu_ipc_register(&pdev->dev, &scu_data);
        if (IS_ERR(scu))
                return PTR_ERR(scu);

        platform_set_drvdata(pdev, scu);
        return 0;
}

static const struct acpi_device_id intel_scu_acpi_ids[] = {
        { "INTC1026" },
        {}
};
MODULE_DEVICE_TABLE(acpi, intel_scu_acpi_ids);

static struct platform_driver intel_scu_platform_driver = {
        .probe = intel_scu_platform_probe,
        .driver = {
                .name = "intel_scu",
                .acpi_match_table = intel_scu_acpi_ids,
        },
};
module_platform_driver(intel_scu_platform_driver);

MODULE_AUTHOR("Divya Sasidharan <divya.s.sasidharan@intel.com>");
MODULE_AUTHOR("Mika Westerberg <mika.westerberg@linux.intel.com");
MODULE_AUTHOR("Rajmohan Mani <rajmohan.mani@intel.com>");
MODULE_DESCRIPTION("Intel SCU platform driver");
MODULE_LICENSE("GPL v2");