1/* SPDX-License-Identifier: GPL-2.0-or-later */
 2/*
 3 * NCI based driver for Samsung S3FWRN5 NFC chip
 4 *
 5 * Copyright (C) 2015 Samsung Electrnoics
 6 * Robert Baldyga <r.baldyga@samsung.com>
 7 */
 8
 9#ifndef __LOCAL_S3FWRN5_H_
10#define __LOCAL_S3FWRN5_H_
11
12#include <linux/nfc.h>
13
14#include <net/nfc/nci_core.h>
15
16#include "firmware.h"
17
18enum s3fwrn5_mode {
19	S3FWRN5_MODE_COLD,
20	S3FWRN5_MODE_NCI,
21	S3FWRN5_MODE_FW,
22};
23
24struct s3fwrn5_phy_ops {
25	void (*set_wake)(void *id, bool sleep);
26	void (*set_mode)(void *id, enum s3fwrn5_mode);
27	enum s3fwrn5_mode (*get_mode)(void *id);
28	int (*write)(void *id, struct sk_buff *skb);
29};
30
31struct s3fwrn5_info {
32	struct nci_dev *ndev;
33	void *phy_id;
34	struct device *pdev;
35
36	const struct s3fwrn5_phy_ops *phy_ops;
 
37
38	struct s3fwrn5_fw_info fw_info;
39
40	struct mutex mutex;
41};
42
43static inline int s3fwrn5_set_mode(struct s3fwrn5_info *info,
44	enum s3fwrn5_mode mode)
45{
46	if (!info->phy_ops->set_mode)
47		return -EOPNOTSUPP;
48
49	info->phy_ops->set_mode(info->phy_id, mode);
50
51	return 0;
52}
53
54static inline enum s3fwrn5_mode s3fwrn5_get_mode(struct s3fwrn5_info *info)
55{
56	if (!info->phy_ops->get_mode)
57		return -EOPNOTSUPP;
58
59	return info->phy_ops->get_mode(info->phy_id);
60}
61
62static inline int s3fwrn5_set_wake(struct s3fwrn5_info *info, bool wake)
63{
64	if (!info->phy_ops->set_wake)
65		return -EOPNOTSUPP;
66
67	info->phy_ops->set_wake(info->phy_id, wake);
68
69	return 0;
70}
71
72static inline int s3fwrn5_write(struct s3fwrn5_info *info, struct sk_buff *skb)
73{
74	if (!info->phy_ops->write)
75		return -EOPNOTSUPP;
76
77	return info->phy_ops->write(info->phy_id, skb);
78}
79
80int s3fwrn5_probe(struct nci_dev **ndev, void *phy_id, struct device *pdev,
81	const struct s3fwrn5_phy_ops *phy_ops);
82void s3fwrn5_remove(struct nci_dev *ndev);
83
84int s3fwrn5_recv_frame(struct nci_dev *ndev, struct sk_buff *skb,
85	enum s3fwrn5_mode mode);
86
87#endif /* __LOCAL_S3FWRN5_H_ */

 1/* SPDX-License-Identifier: GPL-2.0-or-later */
 2/*
 3 * NCI based driver for Samsung S3FWRN5 NFC chip
 4 *
 5 * Copyright (C) 2015 Samsung Electrnoics
 6 * Robert Baldyga <r.baldyga@samsung.com>
 7 */
 8
 9#ifndef __LOCAL_S3FWRN5_H_
10#define __LOCAL_S3FWRN5_H_
11
12#include <linux/nfc.h>
13
14#include <net/nfc/nci_core.h>
15
16#include "firmware.h"
17
18enum s3fwrn5_mode {
19	S3FWRN5_MODE_COLD,
20	S3FWRN5_MODE_NCI,
21	S3FWRN5_MODE_FW,
22};
23
24struct s3fwrn5_phy_ops {
25	void (*set_wake)(void *id, bool sleep);
26	void (*set_mode)(void *id, enum s3fwrn5_mode);
27	enum s3fwrn5_mode (*get_mode)(void *id);
28	int (*write)(void *id, struct sk_buff *skb);
29};
30
31struct s3fwrn5_info {
32	struct nci_dev *ndev;
33	void *phy_id;
34	struct device *pdev;
35
36	const struct s3fwrn5_phy_ops *phy_ops;
37	unsigned int max_payload;
38
39	struct s3fwrn5_fw_info fw_info;
40
41	struct mutex mutex;
42};
43
44static inline int s3fwrn5_set_mode(struct s3fwrn5_info *info,
45	enum s3fwrn5_mode mode)
46{
47	if (!info->phy_ops->set_mode)
48		return -ENOTSUPP;
49
50	info->phy_ops->set_mode(info->phy_id, mode);
51
52	return 0;
53}
54
55static inline enum s3fwrn5_mode s3fwrn5_get_mode(struct s3fwrn5_info *info)
56{
57	if (!info->phy_ops->get_mode)
58		return -ENOTSUPP;
59
60	return info->phy_ops->get_mode(info->phy_id);
61}
62
63static inline int s3fwrn5_set_wake(struct s3fwrn5_info *info, bool wake)
64{
65	if (!info->phy_ops->set_wake)
66		return -ENOTSUPP;
67
68	info->phy_ops->set_wake(info->phy_id, wake);
69
70	return 0;
71}
72
73static inline int s3fwrn5_write(struct s3fwrn5_info *info, struct sk_buff *skb)
74{
75	if (!info->phy_ops->write)
76		return -ENOTSUPP;
77
78	return info->phy_ops->write(info->phy_id, skb);
79}
80
81int s3fwrn5_probe(struct nci_dev **ndev, void *phy_id, struct device *pdev,
82	const struct s3fwrn5_phy_ops *phy_ops, unsigned int max_payload);
83void s3fwrn5_remove(struct nci_dev *ndev);
84
85int s3fwrn5_recv_frame(struct nci_dev *ndev, struct sk_buff *skb,
86	enum s3fwrn5_mode mode);
87
88#endif /* __LOCAL_S3FWRN5_H_ */