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// 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;
pr_info("Probing NFC microread\n");
phy = nfc_mei_phy_alloc(cldev);
if (!phy) {
pr_err("Cannot allocate memory for microread mei phy.\n");
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);
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