2 * HCI based Driver for Inside Secure microread NFC Chip
4 * Copyright (C) 2013 Intel Corporation. All rights reserved.
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms and conditions of the GNU General Public License,
8 * version 2, as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the
17 * Free Software Foundation, Inc.,
18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
21 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
23 #include <linux/module.h>
24 #include <linux/mod_devicetable.h>
25 #include <linux/nfc.h>
26 #include <net/nfc/hci.h>
27 #include <net/nfc/llc.h>
29 #include "../mei_phy.h"
30 #include "microread.h"
32 #define MICROREAD_DRIVER_NAME "microread"
34 static int microread_mei_probe(struct mei_cl_device *device,
35 const struct mei_cl_device_id *id)
37 struct nfc_mei_phy *phy;
40 pr_info("Probing NFC microread\n");
42 phy = nfc_mei_phy_alloc(device);
44 pr_err("Cannot allocate memory for microread mei phy.\n");
48 r = microread_probe(phy, &mei_phy_ops, LLC_NOP_NAME,
49 MEI_NFC_HEADER_SIZE, 0, MEI_NFC_MAX_HCI_PAYLOAD,
52 nfc_mei_phy_free(phy);
60 static int microread_mei_remove(struct mei_cl_device *device)
62 struct nfc_mei_phy *phy = mei_cl_get_drvdata(device);
64 microread_remove(phy->hdev);
66 nfc_mei_phy_free(phy);
71 static struct mei_cl_device_id microread_mei_tbl[] = {
72 { MICROREAD_DRIVER_NAME },
74 /* required last entry */
77 MODULE_DEVICE_TABLE(mei, microread_mei_tbl);
79 static struct mei_cl_driver microread_driver = {
80 .id_table = microread_mei_tbl,
81 .name = MICROREAD_DRIVER_NAME,
83 .probe = microread_mei_probe,
84 .remove = microread_mei_remove,
87 static int microread_mei_init(void)
91 pr_debug(DRIVER_DESC ": %s\n", __func__);
93 r = mei_cl_driver_register(µread_driver);
95 pr_err(MICROREAD_DRIVER_NAME ": driver registration failed\n");
102 static void microread_mei_exit(void)
104 mei_cl_driver_unregister(µread_driver);
107 module_init(microread_mei_init);
108 module_exit(microread_mei_exit);
110 MODULE_LICENSE("GPL");
111 MODULE_DESCRIPTION(DRIVER_DESC);