Linux 4.1.16
[linux/fpc-iii.git] / net / nfc / nfc.h
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1 /*
2 * Copyright (C) 2011 Instituto Nokia de Tecnologia
4 * Authors:
5 * Lauro Ramos Venancio <lauro.venancio@openbossa.org>
6 * Aloisio Almeida Jr <aloisio.almeida@openbossa.org>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, see <http://www.gnu.org/licenses/>.
22 #ifndef __LOCAL_NFC_H
23 #define __LOCAL_NFC_H
25 #include <net/nfc/nfc.h>
26 #include <net/sock.h>
28 struct nfc_protocol {
29 int id;
30 struct proto *proto;
31 struct module *owner;
32 int (*create)(struct net *net, struct socket *sock,
33 const struct nfc_protocol *nfc_proto);
36 struct nfc_rawsock {
37 struct sock sk;
38 struct nfc_dev *dev;
39 u32 target_idx;
40 struct work_struct tx_work;
41 bool tx_work_scheduled;
44 struct nfc_sock_list {
45 struct hlist_head head;
46 rwlock_t lock;
49 #define nfc_rawsock(sk) ((struct nfc_rawsock *) sk)
50 #define to_rawsock_sk(_tx_work) \
51 ((struct sock *) container_of(_tx_work, struct nfc_rawsock, tx_work))
53 struct nfc_llcp_sdp_tlv;
55 void nfc_llcp_mac_is_down(struct nfc_dev *dev);
56 void nfc_llcp_mac_is_up(struct nfc_dev *dev, u32 target_idx,
57 u8 comm_mode, u8 rf_mode);
58 int nfc_llcp_register_device(struct nfc_dev *dev);
59 void nfc_llcp_unregister_device(struct nfc_dev *dev);
60 int nfc_llcp_set_remote_gb(struct nfc_dev *dev, u8 *gb, u8 gb_len);
61 u8 *nfc_llcp_general_bytes(struct nfc_dev *dev, size_t *general_bytes_len);
62 int nfc_llcp_data_received(struct nfc_dev *dev, struct sk_buff *skb);
63 struct nfc_llcp_local *nfc_llcp_find_local(struct nfc_dev *dev);
64 int __init nfc_llcp_init(void);
65 void nfc_llcp_exit(void);
66 void nfc_llcp_free_sdp_tlv(struct nfc_llcp_sdp_tlv *sdp);
67 void nfc_llcp_free_sdp_tlv_list(struct hlist_head *head);
69 int __init rawsock_init(void);
70 void rawsock_exit(void);
72 int __init af_nfc_init(void);
73 void af_nfc_exit(void);
74 int nfc_proto_register(const struct nfc_protocol *nfc_proto);
75 void nfc_proto_unregister(const struct nfc_protocol *nfc_proto);
77 extern int nfc_devlist_generation;
78 extern struct mutex nfc_devlist_mutex;
80 int __init nfc_genl_init(void);
81 void nfc_genl_exit(void);
83 void nfc_genl_data_init(struct nfc_genl_data *genl_data);
84 void nfc_genl_data_exit(struct nfc_genl_data *genl_data);
86 int nfc_genl_targets_found(struct nfc_dev *dev);
87 int nfc_genl_target_lost(struct nfc_dev *dev, u32 target_idx);
89 int nfc_genl_device_added(struct nfc_dev *dev);
90 int nfc_genl_device_removed(struct nfc_dev *dev);
92 int nfc_genl_dep_link_up_event(struct nfc_dev *dev, u32 target_idx,
93 u8 comm_mode, u8 rf_mode);
94 int nfc_genl_dep_link_down_event(struct nfc_dev *dev);
96 int nfc_genl_tm_activated(struct nfc_dev *dev, u32 protocol);
97 int nfc_genl_tm_deactivated(struct nfc_dev *dev);
99 int nfc_genl_llc_send_sdres(struct nfc_dev *dev, struct hlist_head *sdres_list);
101 int nfc_genl_se_added(struct nfc_dev *dev, u32 se_idx, u16 type);
102 int nfc_genl_se_removed(struct nfc_dev *dev, u32 se_idx);
103 int nfc_genl_se_transaction(struct nfc_dev *dev, u8 se_idx,
104 struct nfc_evt_transaction *evt_transaction);
106 struct nfc_dev *nfc_get_device(unsigned int idx);
108 static inline void nfc_put_device(struct nfc_dev *dev)
110 put_device(&dev->dev);
113 static inline void nfc_device_iter_init(struct class_dev_iter *iter)
115 class_dev_iter_init(iter, &nfc_class, NULL, NULL);
118 static inline struct nfc_dev *nfc_device_iter_next(struct class_dev_iter *iter)
120 struct device *d = class_dev_iter_next(iter);
121 if (!d)
122 return NULL;
124 return to_nfc_dev(d);
127 static inline void nfc_device_iter_exit(struct class_dev_iter *iter)
129 class_dev_iter_exit(iter);
132 int nfc_fw_download(struct nfc_dev *dev, const char *firmware_name);
133 int nfc_genl_fw_download_done(struct nfc_dev *dev, const char *firmware_name,
134 u32 result);
136 int nfc_dev_up(struct nfc_dev *dev);
138 int nfc_dev_down(struct nfc_dev *dev);
140 int nfc_start_poll(struct nfc_dev *dev, u32 im_protocols, u32 tm_protocols);
142 int nfc_stop_poll(struct nfc_dev *dev);
144 int nfc_dep_link_up(struct nfc_dev *dev, int target_idx, u8 comm_mode);
146 int nfc_dep_link_down(struct nfc_dev *dev);
148 int nfc_activate_target(struct nfc_dev *dev, u32 target_idx, u32 protocol);
150 int nfc_deactivate_target(struct nfc_dev *dev, u32 target_idx);
152 int nfc_data_exchange(struct nfc_dev *dev, u32 target_idx, struct sk_buff *skb,
153 data_exchange_cb_t cb, void *cb_context);
155 int nfc_enable_se(struct nfc_dev *dev, u32 se_idx);
156 int nfc_disable_se(struct nfc_dev *dev, u32 se_idx);
158 #endif /* __LOCAL_NFC_H */