1// SPDX-License-Identifier: GPL-2.0
 2/*
 3 * Copyright (C) 2013 Intel Corporation. All rights reserved.
 4 *
 5 * HCI based Driver for Inside Secure microread NFC Chip
 6 */
 7
 8#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 9
10#include <linux/module.h>
11#include <linux/mod_devicetable.h>
12#include <linux/nfc.h>
 
13#include <net/nfc/llc.h>
14
15#include "../mei_phy.h"
16#include "microread.h"
17
18#define MICROREAD_DRIVER_NAME "microread"
19
20static int microread_mei_probe(struct mei_cl_device *cldev,
21			       const struct mei_cl_device_id *id)
22{
23	struct nfc_mei_phy *phy;
24	int r;
25
 
 
26	phy = nfc_mei_phy_alloc(cldev);
27	if (!phy)
 
28		return -ENOMEM;
 
29
30	r = microread_probe(phy, &mei_phy_ops, LLC_NOP_NAME,
31			    MEI_NFC_HEADER_SIZE, 0, MEI_NFC_MAX_HCI_PAYLOAD,
32			    &phy->hdev);
33	if (r < 0) {
34		nfc_mei_phy_free(phy);
35
36		return r;
37	}
38
39	return 0;
40}
41
42static void microread_mei_remove(struct mei_cl_device *cldev)
43{
44	struct nfc_mei_phy *phy = mei_cldev_get_drvdata(cldev);
45
46	microread_remove(phy->hdev);
47
48	nfc_mei_phy_free(phy);
49}
50
51static struct mei_cl_device_id microread_mei_tbl[] = {
52	{ MICROREAD_DRIVER_NAME, MEI_NFC_UUID, MEI_CL_VERSION_ANY},
53
54	/* required last entry */
55	{ }
56};
57MODULE_DEVICE_TABLE(mei, microread_mei_tbl);
58
59static struct mei_cl_driver microread_driver = {
60	.id_table = microread_mei_tbl,
61	.name = MICROREAD_DRIVER_NAME,
62
63	.probe = microread_mei_probe,
64	.remove = microread_mei_remove,
65};
66
67module_mei_cl_driver(microread_driver);
68
69MODULE_LICENSE("GPL");
70MODULE_DESCRIPTION(DRIVER_DESC);

 1// SPDX-License-Identifier: GPL-2.0
 2/*
 3 * Copyright (C) 2013 Intel Corporation. All rights reserved.
 4 *
 5 * HCI based Driver for Inside Secure microread NFC Chip
 6 */
 7
 8#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 9
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>
15
16#include "../mei_phy.h"
17#include "microread.h"
18
19#define MICROREAD_DRIVER_NAME "microread"
20
21static int microread_mei_probe(struct mei_cl_device *cldev,
22			       const struct mei_cl_device_id *id)
23{
24	struct nfc_mei_phy *phy;
25	int r;
26
27	pr_info("Probing NFC microread\n");
28
29	phy = nfc_mei_phy_alloc(cldev);
30	if (!phy) {
31		pr_err("Cannot allocate memory for microread mei phy.\n");
32		return -ENOMEM;
33	}
34
35	r = microread_probe(phy, &mei_phy_ops, LLC_NOP_NAME,
36			    MEI_NFC_HEADER_SIZE, 0, MEI_NFC_MAX_HCI_PAYLOAD,
37			    &phy->hdev);
38	if (r < 0) {
39		nfc_mei_phy_free(phy);
40
41		return r;
42	}
43
44	return 0;
45}
46
47static void microread_mei_remove(struct mei_cl_device *cldev)
48{
49	struct nfc_mei_phy *phy = mei_cldev_get_drvdata(cldev);
50
51	microread_remove(phy->hdev);
52
53	nfc_mei_phy_free(phy);
54}
55
56static struct mei_cl_device_id microread_mei_tbl[] = {
57	{ MICROREAD_DRIVER_NAME, MEI_NFC_UUID, MEI_CL_VERSION_ANY},
58
59	/* required last entry */
60	{ }
61};
62MODULE_DEVICE_TABLE(mei, microread_mei_tbl);
63
64static struct mei_cl_driver microread_driver = {
65	.id_table = microread_mei_tbl,
66	.name = MICROREAD_DRIVER_NAME,
67
68	.probe = microread_mei_probe,
69	.remove = microread_mei_remove,
70};
71
72module_mei_cl_driver(microread_driver);
73
74MODULE_LICENSE("GPL");
75MODULE_DESCRIPTION(DRIVER_DESC);