1/*
2 * Copyright (C) 2011 Instituto Nokia de Tecnologia
3 *
4 * Authors:
5 *    Lauro Ramos Venancio <lauro.venancio@openbossa.org>
6 *    Aloisio Almeida Jr <aloisio.almeida@openbossa.org>
7 *
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.
12 *
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.
17 *
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/>.
20 */
21
22#ifndef __LOCAL_NFC_H
23#define __LOCAL_NFC_H
24
25#include <net/nfc/nfc.h>
26#include <net/sock.h>
27
28struct 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);
34};
35
36struct 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;
42};
43
44struct nfc_sock_list {
45	struct hlist_head head;
46	rwlock_t          lock;
47};
48
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))
52
53struct nfc_llcp_sdp_tlv;
54
55void nfc_llcp_mac_is_down(struct nfc_dev *dev);
56void nfc_llcp_mac_is_up(struct nfc_dev *dev, u32 target_idx,
57			u8 comm_mode, u8 rf_mode);
58int nfc_llcp_register_device(struct nfc_dev *dev);
59void nfc_llcp_unregister_device(struct nfc_dev *dev);
60int nfc_llcp_set_remote_gb(struct nfc_dev *dev, u8 *gb, u8 gb_len);
61u8 *nfc_llcp_general_bytes(struct nfc_dev *dev, size_t *general_bytes_len);
62int nfc_llcp_data_received(struct nfc_dev *dev, struct sk_buff *skb);
63struct nfc_llcp_local *nfc_llcp_find_local(struct nfc_dev *dev);
64int __init nfc_llcp_init(void);
65void nfc_llcp_exit(void);
66void nfc_llcp_free_sdp_tlv(struct nfc_llcp_sdp_tlv *sdp);
67void nfc_llcp_free_sdp_tlv_list(struct hlist_head *head);
68
69int __init rawsock_init(void);
70void rawsock_exit(void);
71
72int __init af_nfc_init(void);
73void af_nfc_exit(void);
74int nfc_proto_register(const struct nfc_protocol *nfc_proto);
75void nfc_proto_unregister(const struct nfc_protocol *nfc_proto);
76
77extern int nfc_devlist_generation;
78extern struct mutex nfc_devlist_mutex;
79
80int __init nfc_genl_init(void);
81void nfc_genl_exit(void);
82
83void nfc_genl_data_init(struct nfc_genl_data *genl_data);
84void nfc_genl_data_exit(struct nfc_genl_data *genl_data);
85
86int nfc_genl_targets_found(struct nfc_dev *dev);
87int nfc_genl_target_lost(struct nfc_dev *dev, u32 target_idx);
88
89int nfc_genl_device_added(struct nfc_dev *dev);
90int nfc_genl_device_removed(struct nfc_dev *dev);
91
92int nfc_genl_dep_link_up_event(struct nfc_dev *dev, u32 target_idx,
93			       u8 comm_mode, u8 rf_mode);
94int nfc_genl_dep_link_down_event(struct nfc_dev *dev);
95
96int nfc_genl_tm_activated(struct nfc_dev *dev, u32 protocol);
97int nfc_genl_tm_deactivated(struct nfc_dev *dev);
98
99int nfc_genl_llc_send_sdres(struct nfc_dev *dev, struct hlist_head *sdres_list);
100
101int nfc_genl_se_added(struct nfc_dev *dev, u32 se_idx, u16 type);
102int nfc_genl_se_removed(struct nfc_dev *dev, u32 se_idx);
103int nfc_genl_se_transaction(struct nfc_dev *dev, u8 se_idx,
104			    struct nfc_evt_transaction *evt_transaction);
105
106struct nfc_dev *nfc_get_device(unsigned int idx);
107
108static inline void nfc_put_device(struct nfc_dev *dev)
109{
110	put_device(&dev->dev);
111}
112
113static inline void nfc_device_iter_init(struct class_dev_iter *iter)
114{
115	class_dev_iter_init(iter, &nfc_class, NULL, NULL);
116}
117
118static inline struct nfc_dev *nfc_device_iter_next(struct class_dev_iter *iter)
119{
120	struct device *d = class_dev_iter_next(iter);
121	if (!d)
122		return NULL;
123
124	return to_nfc_dev(d);
125}
126
127static inline void nfc_device_iter_exit(struct class_dev_iter *iter)
128{
129	class_dev_iter_exit(iter);
130}
131
132int nfc_fw_download(struct nfc_dev *dev, const char *firmware_name);
133int nfc_genl_fw_download_done(struct nfc_dev *dev, const char *firmware_name,
134			      u32 result);
135
136int nfc_dev_up(struct nfc_dev *dev);
137
138int nfc_dev_down(struct nfc_dev *dev);
139
140int nfc_start_poll(struct nfc_dev *dev, u32 im_protocols, u32 tm_protocols);
141
142int nfc_stop_poll(struct nfc_dev *dev);
143
144int nfc_dep_link_up(struct nfc_dev *dev, int target_idx, u8 comm_mode);
145
146int nfc_dep_link_down(struct nfc_dev *dev);
147
148int nfc_activate_target(struct nfc_dev *dev, u32 target_idx, u32 protocol);
149
150int nfc_deactivate_target(struct nfc_dev *dev, u32 target_idx);
151
152int nfc_data_exchange(struct nfc_dev *dev, u32 target_idx, struct sk_buff *skb,
153		      data_exchange_cb_t cb, void *cb_context);
154
155int nfc_enable_se(struct nfc_dev *dev, u32 se_idx);
156int nfc_disable_se(struct nfc_dev *dev, u32 se_idx);
157
158#endif /* __LOCAL_NFC_H */
159