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 #include <linux/module.h>
22 #include <linux/mod_devicetable.h>
23 #include <linux/nfc.h>
24 #include <net/nfc/hci.h>
25 #include <net/nfc/llc.h>
27 #include "../mei_phy.h"
28 #include "microread.h"
30 #define MICROREAD_DRIVER_NAME "microread"
32 static int microread_mei_probe(struct mei_cl_device
*device
,
33 const struct mei_cl_device_id
*id
)
35 struct nfc_mei_phy
*phy
;
38 pr_info("Probing NFC microread\n");
40 phy
= nfc_mei_phy_alloc(device
);
42 pr_err("Cannot allocate memory for microread mei phy.\n");
46 r
= microread_probe(phy
, &mei_phy_ops
, LLC_NOP_NAME
,
47 MEI_NFC_HEADER_SIZE
, 0, MEI_NFC_MAX_HCI_PAYLOAD
,
50 nfc_mei_phy_free(phy
);
58 static int microread_mei_remove(struct mei_cl_device
*device
)
60 struct nfc_mei_phy
*phy
= mei_cl_get_drvdata(device
);
62 pr_info("Removing microread\n");
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
);