tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
28#define NFC_TARGET_MODE_IDLE 0
29#define NFC_TARGET_MODE_SLEEP 1
30
31struct nfc_protocol {
32 int id;
33 struct proto *proto;
34 struct module *owner;
35 int (*create)(struct net *net, struct socket *sock,
36 const struct nfc_protocol *nfc_proto, int kern);
37};
38
39struct nfc_rawsock {
40 struct sock sk;
41 struct nfc_dev *dev;
42 u32 target_idx;
43 struct work_struct tx_work;
44 bool tx_work_scheduled;
45};
46
47struct nfc_sock_list {
48 struct hlist_head head;
49 rwlock_t lock;
50};
51
52#define nfc_rawsock(sk) ((struct nfc_rawsock *) sk)
53#define to_rawsock_sk(_tx_work) \
54 ((struct sock *) container_of(_tx_work, struct nfc_rawsock, tx_work))
55
56struct nfc_llcp_sdp_tlv;
57
58void nfc_llcp_mac_is_down(struct nfc_dev *dev);
59void nfc_llcp_mac_is_up(struct nfc_dev *dev, u32 target_idx,
60 u8 comm_mode, u8 rf_mode);
61int nfc_llcp_register_device(struct nfc_dev *dev);
62void nfc_llcp_unregister_device(struct nfc_dev *dev);
63int nfc_llcp_set_remote_gb(struct nfc_dev *dev, u8 *gb, u8 gb_len);
64u8 *nfc_llcp_general_bytes(struct nfc_dev *dev, size_t *general_bytes_len);
65int nfc_llcp_data_received(struct nfc_dev *dev, struct sk_buff *skb);
66struct nfc_llcp_local *nfc_llcp_find_local(struct nfc_dev *dev);
67int __init nfc_llcp_init(void);
68void nfc_llcp_exit(void);
69void nfc_llcp_free_sdp_tlv(struct nfc_llcp_sdp_tlv *sdp);
70void nfc_llcp_free_sdp_tlv_list(struct hlist_head *head);
71
72int __init rawsock_init(void);
73void rawsock_exit(void);
74
75int __init af_nfc_init(void);
76void af_nfc_exit(void);
77int nfc_proto_register(const struct nfc_protocol *nfc_proto);
78void nfc_proto_unregister(const struct nfc_protocol *nfc_proto);
79
80extern int nfc_devlist_generation;
81extern struct mutex nfc_devlist_mutex;
82
83int __init nfc_genl_init(void);
84void nfc_genl_exit(void);
85
86void nfc_genl_data_init(struct nfc_genl_data *genl_data);
87void nfc_genl_data_exit(struct nfc_genl_data *genl_data);
88
89int nfc_genl_targets_found(struct nfc_dev *dev);
90int nfc_genl_target_lost(struct nfc_dev *dev, u32 target_idx);
91
92int nfc_genl_device_added(struct nfc_dev *dev);
93int nfc_genl_device_removed(struct nfc_dev *dev);
94
95int nfc_genl_dep_link_up_event(struct nfc_dev *dev, u32 target_idx,
96 u8 comm_mode, u8 rf_mode);
97int nfc_genl_dep_link_down_event(struct nfc_dev *dev);
98
99int nfc_genl_tm_activated(struct nfc_dev *dev, u32 protocol);
100int nfc_genl_tm_deactivated(struct nfc_dev *dev);
101
102int nfc_genl_llc_send_sdres(struct nfc_dev *dev, struct hlist_head *sdres_list);
103
104int nfc_genl_se_added(struct nfc_dev *dev, u32 se_idx, u16 type);
105int nfc_genl_se_removed(struct nfc_dev *dev, u32 se_idx);
106int nfc_genl_se_transaction(struct nfc_dev *dev, u8 se_idx,
107 struct nfc_evt_transaction *evt_transaction);
108
109struct nfc_dev *nfc_get_device(unsigned int idx);
110
111static inline void nfc_put_device(struct nfc_dev *dev)
112{
113 put_device(&dev->dev);
114}
115
116static inline void nfc_device_iter_init(struct class_dev_iter *iter)
117{
118 class_dev_iter_init(iter, &nfc_class, NULL, NULL);
119}
120
121static inline struct nfc_dev *nfc_device_iter_next(struct class_dev_iter *iter)
122{
123 struct device *d = class_dev_iter_next(iter);
124 if (!d)
125 return NULL;
126
127 return to_nfc_dev(d);
128}
129
130static inline void nfc_device_iter_exit(struct class_dev_iter *iter)
131{
132 class_dev_iter_exit(iter);
133}
134
135int nfc_fw_download(struct nfc_dev *dev, const char *firmware_name);
136int nfc_genl_fw_download_done(struct nfc_dev *dev, const char *firmware_name,
137 u32 result);
138
139int nfc_dev_up(struct nfc_dev *dev);
140
141int nfc_dev_down(struct nfc_dev *dev);
142
143int nfc_start_poll(struct nfc_dev *dev, u32 im_protocols, u32 tm_protocols);
144
145int nfc_stop_poll(struct nfc_dev *dev);
146
147int nfc_dep_link_up(struct nfc_dev *dev, int target_idx, u8 comm_mode);
148
149int nfc_dep_link_down(struct nfc_dev *dev);
150
151int nfc_activate_target(struct nfc_dev *dev, u32 target_idx, u32 protocol);
152
153int nfc_deactivate_target(struct nfc_dev *dev, u32 target_idx, u8 mode);
154
155int nfc_data_exchange(struct nfc_dev *dev, u32 target_idx, struct sk_buff *skb,
156 data_exchange_cb_t cb, void *cb_context);
157
158int nfc_enable_se(struct nfc_dev *dev, u32 se_idx);
159int nfc_disable_se(struct nfc_dev *dev, u32 se_idx);
160
161#endif /* __LOCAL_NFC_H */