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c04c674f RB |
1 | /* |
2 | * NCI based driver for Samsung S3FWRN5 NFC chip | |
3 | * | |
4 | * Copyright (C) 2015 Samsung Electrnoics | |
5 | * Robert Baldyga <r.baldyga@samsung.com> | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify it | |
8 | * under the terms and conditions of the GNU General Public License, | |
9 | * version 2 or later, as published by the Free Software Foundation. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | #ifndef __LOCAL_S3FWRN5_H_ | |
21 | #define __LOCAL_S3FWRN5_H_ | |
22 | ||
23 | #include <linux/nfc.h> | |
24 | ||
25 | #include <net/nfc/nci_core.h> | |
26 | ||
27 | #include "firmware.h" | |
28 | ||
29 | enum s3fwrn5_mode { | |
30 | S3FWRN5_MODE_COLD, | |
31 | S3FWRN5_MODE_NCI, | |
32 | S3FWRN5_MODE_FW, | |
33 | }; | |
34 | ||
35 | struct s3fwrn5_phy_ops { | |
36 | void (*set_wake)(void *id, bool sleep); | |
37 | void (*set_mode)(void *id, enum s3fwrn5_mode); | |
38 | enum s3fwrn5_mode (*get_mode)(void *id); | |
39 | int (*write)(void *id, struct sk_buff *skb); | |
40 | }; | |
41 | ||
42 | struct s3fwrn5_info { | |
43 | struct nci_dev *ndev; | |
44 | void *phy_id; | |
45 | struct device *pdev; | |
46 | ||
c6b5df0d | 47 | const struct s3fwrn5_phy_ops *phy_ops; |
c04c674f RB |
48 | unsigned int max_payload; |
49 | ||
50 | struct s3fwrn5_fw_info fw_info; | |
51 | ||
52 | struct mutex mutex; | |
53 | }; | |
54 | ||
55 | static inline int s3fwrn5_set_mode(struct s3fwrn5_info *info, | |
56 | enum s3fwrn5_mode mode) | |
57 | { | |
58 | if (!info->phy_ops->set_mode) | |
59 | return -ENOTSUPP; | |
60 | ||
61 | info->phy_ops->set_mode(info->phy_id, mode); | |
62 | ||
63 | return 0; | |
64 | } | |
65 | ||
66 | static inline enum s3fwrn5_mode s3fwrn5_get_mode(struct s3fwrn5_info *info) | |
67 | { | |
68 | if (!info->phy_ops->get_mode) | |
69 | return -ENOTSUPP; | |
70 | ||
71 | return info->phy_ops->get_mode(info->phy_id); | |
72 | } | |
73 | ||
74 | static inline int s3fwrn5_set_wake(struct s3fwrn5_info *info, bool wake) | |
75 | { | |
76 | if (!info->phy_ops->set_wake) | |
77 | return -ENOTSUPP; | |
78 | ||
79 | info->phy_ops->set_wake(info->phy_id, wake); | |
80 | ||
81 | return 0; | |
82 | } | |
83 | ||
84 | static inline int s3fwrn5_write(struct s3fwrn5_info *info, struct sk_buff *skb) | |
85 | { | |
86 | if (!info->phy_ops->write) | |
87 | return -ENOTSUPP; | |
88 | ||
89 | return info->phy_ops->write(info->phy_id, skb); | |
90 | } | |
91 | ||
92 | int s3fwrn5_probe(struct nci_dev **ndev, void *phy_id, struct device *pdev, | |
c6b5df0d | 93 | const struct s3fwrn5_phy_ops *phy_ops, unsigned int max_payload); |
c04c674f RB |
94 | void s3fwrn5_remove(struct nci_dev *ndev); |
95 | ||
96 | int s3fwrn5_recv_frame(struct nci_dev *ndev, struct sk_buff *skb, | |
97 | enum s3fwrn5_mode mode); | |
98 | ||
99 | #endif /* __LOCAL_S3FWRN5_H_ */ |