1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (C) 2013 Intel Corporation. All rights reserved.
5 * HCI based Driver for Inside Secure microread NFC Chip
8 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
10 #include <linux/module.h>
11 #include <linux/mod_devicetable.h>
12 #include <linux/nfc.h>
13 #include <net/nfc/hci.h>
14 #include <net/nfc/llc.h>
16 #include "../mei_phy.h"
17 #include "microread.h"
19 #define MICROREAD_DRIVER_NAME "microread"
21 static int microread_mei_probe(struct mei_cl_device *cldev,
22 const struct mei_cl_device_id *id)
24 struct nfc_mei_phy *phy;
27 pr_info("Probing NFC microread\n");
29 phy = nfc_mei_phy_alloc(cldev);
31 pr_err("Cannot allocate memory for microread mei phy.\n");
35 r = microread_probe(phy, &mei_phy_ops, LLC_NOP_NAME,
36 MEI_NFC_HEADER_SIZE, 0, MEI_NFC_MAX_HCI_PAYLOAD,
39 nfc_mei_phy_free(phy);
47 static int microread_mei_remove(struct mei_cl_device *cldev)
49 struct nfc_mei_phy *phy = mei_cldev_get_drvdata(cldev);
51 microread_remove(phy->hdev);
53 nfc_mei_phy_free(phy);
58 static struct mei_cl_device_id microread_mei_tbl[] = {
59 { MICROREAD_DRIVER_NAME, MEI_NFC_UUID, MEI_CL_VERSION_ANY},
61 /* required last entry */
64 MODULE_DEVICE_TABLE(mei, microread_mei_tbl);
66 static struct mei_cl_driver microread_driver = {
67 .id_table = microread_mei_tbl,
68 .name = MICROREAD_DRIVER_NAME,
70 .probe = microread_mei_probe,
71 .remove = microread_mei_remove,
74 module_mei_cl_driver(microread_driver);
76 MODULE_LICENSE("GPL");
77 MODULE_DESCRIPTION(DRIVER_DESC);