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
18 enum s3fwrn5_mode {
19 S3FWRN5_MODE_COLD,
20 S3FWRN5_MODE_NCI,
21 S3FWRN5_MODE_FW,
22 };
23
24 struct 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
31 struct 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
s3fwrn5_set_mode(struct s3fwrn5_info * info,enum s3fwrn5_mode mode)43 static 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
s3fwrn5_get_mode(struct s3fwrn5_info * info)54 static 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
s3fwrn5_set_wake(struct s3fwrn5_info * info,bool wake)62 static 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
s3fwrn5_write(struct s3fwrn5_info * info,struct sk_buff * skb)72 static 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
80 int s3fwrn5_probe(struct nci_dev **ndev, void *phy_id, struct device *pdev,
81 const struct s3fwrn5_phy_ops *phy_ops);
82 void s3fwrn5_remove(struct nci_dev *ndev);
83
84 int s3fwrn5_recv_frame(struct nci_dev *ndev, struct sk_buff *skb,
85 enum s3fwrn5_mode mode);
86
87 #endif /* __LOCAL_S3FWRN5_H_ */
88