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_ */
88