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Lauro Ramos Venancio3e256b82011-07-01 19:31:33 -03001/*
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, write to the
20 * Free Software Foundation, Inc.,
21 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
22 */
23
24#ifndef __LOCAL_NFC_H
25#define __LOCAL_NFC_H
26
Ilan Elias55eb94f2011-09-18 11:19:34 +030027#include <net/nfc/nfc.h>
Aloisio Almeida Jrc7fe3b52011-07-01 19:31:35 -030028#include <net/sock.h>
Lauro Ramos Venancio3e256b82011-07-01 19:31:33 -030029
Aloisio Almeida Jrc7fe3b52011-07-01 19:31:35 -030030struct nfc_protocol {
31 int id;
32 struct proto *proto;
33 struct module *owner;
34 int (*create)(struct net *net, struct socket *sock,
35 const struct nfc_protocol *nfc_proto);
36};
37
Lauro Ramos Venancio23b78692011-07-01 19:31:36 -030038struct nfc_rawsock {
39 struct sock sk;
40 struct nfc_dev *dev;
41 u32 target_idx;
42 struct work_struct tx_work;
43 bool tx_work_scheduled;
44};
45#define nfc_rawsock(sk) ((struct nfc_rawsock *) sk)
46#define to_rawsock_sk(_tx_work) \
47 ((struct sock *) container_of(_tx_work, struct nfc_rawsock, tx_work))
48
Samuel Ortizd6469602011-12-14 16:43:12 +010049#ifdef CONFIG_NFC_LLCP
50
51void nfc_llcp_mac_is_down(struct nfc_dev *dev);
52void nfc_llcp_mac_is_up(struct nfc_dev *dev, u32 target_idx,
53 u8 comm_mode, u8 rf_mode);
54int nfc_llcp_register_device(struct nfc_dev *dev);
55void nfc_llcp_unregister_device(struct nfc_dev *dev);
56int nfc_llcp_set_remote_gb(struct nfc_dev *dev, u8 *gb, u8 gb_len);
57u8 *nfc_llcp_general_bytes(struct nfc_dev *dev, u8 *general_bytes_len);
58int __init nfc_llcp_init(void);
59void nfc_llcp_exit(void);
60
61#else
62
Samuel Ortiz645d3592011-12-16 15:03:36 +010063static inline void nfc_llcp_mac_is_down(struct nfc_dev *dev)
Samuel Ortizd6469602011-12-14 16:43:12 +010064{
65}
66
Samuel Ortiz645d3592011-12-16 15:03:36 +010067static inline void nfc_llcp_mac_is_up(struct nfc_dev *dev, u32 target_idx,
Samuel Ortizd6469602011-12-14 16:43:12 +010068 u8 comm_mode, u8 rf_mode)
69{
70}
71
72static inline int nfc_llcp_register_device(struct nfc_dev *dev)
73{
74 return 0;
75}
76
77static inline void nfc_llcp_unregister_device(struct nfc_dev *dev)
78{
79}
80
81static inline int nfc_llcp_set_remote_gb(struct nfc_dev *dev, u8 *gb, u8 gb_len)
82{
83 return 0;
84}
85
86static inline u8 *nfc_llcp_general_bytes(struct nfc_dev *dev, u8 *gb_len)
87{
88 *gb_len = 0;
89 return NULL;
90}
91
92static inline int nfc_llcp_init(void)
93{
94 return 0;
95}
96
97static inline void nfc_llcp_exit(void)
98{
99}
100
101#endif
102
Lauro Ramos Venancio23b78692011-07-01 19:31:36 -0300103int __init rawsock_init(void);
104void rawsock_exit(void);
105
Aloisio Almeida Jrc7fe3b52011-07-01 19:31:35 -0300106int __init af_nfc_init(void);
107void af_nfc_exit(void);
108int nfc_proto_register(const struct nfc_protocol *nfc_proto);
109void nfc_proto_unregister(const struct nfc_protocol *nfc_proto);
110
Lauro Ramos Venancio3e256b82011-07-01 19:31:33 -0300111extern int nfc_devlist_generation;
112extern struct mutex nfc_devlist_mutex;
113
Lauro Ramos Venancio4d12b8b2011-07-01 19:31:34 -0300114int __init nfc_genl_init(void);
115void nfc_genl_exit(void);
116
117void nfc_genl_data_init(struct nfc_genl_data *genl_data);
118void nfc_genl_data_exit(struct nfc_genl_data *genl_data);
119
120int nfc_genl_targets_found(struct nfc_dev *dev);
121
122int nfc_genl_device_added(struct nfc_dev *dev);
123int nfc_genl_device_removed(struct nfc_dev *dev);
124
Samuel Ortiz1ed28f62011-12-14 16:43:09 +0100125int nfc_genl_dep_link_up_event(struct nfc_dev *dev, u32 target_idx,
126 u8 comm_mode, u8 rf_mode);
127int nfc_genl_dep_link_down_event(struct nfc_dev *dev);
128
Lauro Ramos Venancio3e256b82011-07-01 19:31:33 -0300129struct nfc_dev *nfc_get_device(unsigned idx);
130
131static inline void nfc_put_device(struct nfc_dev *dev)
132{
133 put_device(&dev->dev);
134}
135
136static inline void nfc_device_iter_init(struct class_dev_iter *iter)
137{
138 class_dev_iter_init(iter, &nfc_class, NULL, NULL);
139}
140
141static inline struct nfc_dev *nfc_device_iter_next(struct class_dev_iter *iter)
142{
143 struct device *d = class_dev_iter_next(iter);
144 if (!d)
145 return NULL;
146
147 return to_nfc_dev(d);
148}
149
150static inline void nfc_device_iter_exit(struct class_dev_iter *iter)
151{
152 class_dev_iter_exit(iter);
153}
154
Ilan Elias8b3fe7b2011-09-18 11:19:33 +0300155int nfc_dev_up(struct nfc_dev *dev);
156
157int nfc_dev_down(struct nfc_dev *dev);
158
Lauro Ramos Venancio3e256b82011-07-01 19:31:33 -0300159int nfc_start_poll(struct nfc_dev *dev, u32 protocols);
160
161int nfc_stop_poll(struct nfc_dev *dev);
162
Samuel Ortiz1ed28f62011-12-14 16:43:09 +0100163int nfc_dep_link_up(struct nfc_dev *dev, int target_idx,
164 u8 comm_mode, u8 rf_mode);
165
166int nfc_dep_link_down(struct nfc_dev *dev);
167
Lauro Ramos Venancio3e256b82011-07-01 19:31:33 -0300168int nfc_activate_target(struct nfc_dev *dev, u32 target_idx, u32 protocol);
169
170int nfc_deactivate_target(struct nfc_dev *dev, u32 target_idx);
171
172int nfc_data_exchange(struct nfc_dev *dev, u32 target_idx,
173 struct sk_buff *skb,
174 data_exchange_cb_t cb,
175 void *cb_context);
176
177#endif /* __LOCAL_NFC_H */