1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (C) 2013 Intel Corporation. All rights reserved.
5 * HCI based Driver for NXP pn544 NFC Chip
8 #include <linux/module.h>
9 #include <linux/mod_devicetable.h>
10 #include <linux/nfc.h>
11 #include <net/nfc/hci.h>
12 #include <net/nfc/llc.h>
14 #include "../mei_phy.h"
17 #define PN544_DRIVER_NAME "pn544"
19 static int pn544_mei_probe(struct mei_cl_device *cldev,
20 const struct mei_cl_device_id *id)
22 struct nfc_mei_phy *phy;
25 pr_info("Probing NFC pn544\n");
27 phy = nfc_mei_phy_alloc(cldev);
29 pr_err("Cannot allocate memory for pn544 mei phy.\n");
33 r = pn544_hci_probe(phy, &mei_phy_ops, LLC_NOP_NAME,
34 MEI_NFC_HEADER_SIZE, 0, MEI_NFC_MAX_HCI_PAYLOAD,
37 nfc_mei_phy_free(phy);
45 static int pn544_mei_remove(struct mei_cl_device *cldev)
47 struct nfc_mei_phy *phy = mei_cldev_get_drvdata(cldev);
49 pr_info("Removing pn544\n");
51 pn544_hci_remove(phy->hdev);
53 nfc_mei_phy_free(phy);
58 static struct mei_cl_device_id pn544_mei_tbl[] = {
59 { PN544_DRIVER_NAME, MEI_NFC_UUID, MEI_CL_VERSION_ANY},
61 /* required last entry */
64 MODULE_DEVICE_TABLE(mei, pn544_mei_tbl);
66 static struct mei_cl_driver pn544_driver = {
67 .id_table = pn544_mei_tbl,
68 .name = PN544_DRIVER_NAME,
70 .probe = pn544_mei_probe,
71 .remove = pn544_mei_remove,
74 module_mei_cl_driver(pn544_driver);
76 MODULE_LICENSE("GPL");
77 MODULE_DESCRIPTION(DRIVER_DESC);