// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (C) 2013 Intel Corporation. All rights reserved.
 *
 * HCI based Driver for Inside Secure microread NFC Chip
 */

#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

#include <linux/module.h>
#include <linux/mod_devicetable.h>
#include <linux/nfc.h>
#include <net/nfc/llc.h>

#include "../mei_phy.h"
#include "microread.h"

#define MICROREAD_DRIVER_NAME "microread"

static int microread_mei_probe(struct mei_cl_device *cldev,
                               const struct mei_cl_device_id *id)
{
        struct nfc_mei_phy *phy;
        int r;

        phy = nfc_mei_phy_alloc(cldev);
        if (!phy)
                return -ENOMEM;

        r = microread_probe(phy, &mei_phy_ops, LLC_NOP_NAME,
                            MEI_NFC_HEADER_SIZE, 0, MEI_NFC_MAX_HCI_PAYLOAD,
                            &phy->hdev);
        if (r < 0) {
                nfc_mei_phy_free(phy);

                return r;
        }

        return 0;
}

static void microread_mei_remove(struct mei_cl_device *cldev)
{
        struct nfc_mei_phy *phy = mei_cldev_get_drvdata(cldev);

        microread_remove(phy->hdev);

        nfc_mei_phy_free(phy);
}

static struct mei_cl_device_id microread_mei_tbl[] = {
        { MICROREAD_DRIVER_NAME, MEI_NFC_UUID, MEI_CL_VERSION_ANY},

        /* required last entry */
        { }
};
MODULE_DEVICE_TABLE(mei, microread_mei_tbl);

static struct mei_cl_driver microread_driver = {
        .id_table = microread_mei_tbl,
        .name = MICROREAD_DRIVER_NAME,

        .probe = microread_mei_probe,
        .remove = microread_mei_remove,
};

module_mei_cl_driver(microread_driver);

MODULE_LICENSE("GPL");
MODULE_DESCRIPTION(DRIVER_DESC);