Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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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, write to the
20 * Free Software Foundation, Inc.,
21 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
22 */
23
24#ifndef __LINUX_NFC_H
25#define __LINUX_NFC_H
26
27#include <linux/types.h>
28#include <linux/socket.h>
29
30#define NFC_GENL_NAME "nfc"
31#define NFC_GENL_VERSION 1
32
33#define NFC_GENL_MCAST_EVENT_NAME "events"
34
35/**
36 * enum nfc_commands - supported nfc commands
37 *
38 * @NFC_CMD_UNSPEC: unspecified command
39 *
40 * @NFC_CMD_GET_DEVICE: request information about a device (requires
41 * %NFC_ATTR_DEVICE_INDEX) or dump request to get a list of all nfc devices
42 * @NFC_CMD_START_POLL: start polling for targets using the given protocols
43 * (requires %NFC_ATTR_DEVICE_INDEX and %NFC_ATTR_PROTOCOLS)
44 * @NFC_CMD_STOP_POLL: stop polling for targets (requires
45 * %NFC_ATTR_DEVICE_INDEX)
46 * @NFC_CMD_GET_TARGET: dump all targets found by the previous poll (requires
47 * %NFC_ATTR_DEVICE_INDEX)
48 * @NFC_EVENT_TARGETS_FOUND: event emitted when a new target is found
49 * (it sends %NFC_ATTR_DEVICE_INDEX)
50 * @NFC_EVENT_DEVICE_ADDED: event emitted when a new device is registred
51 * (it sends %NFC_ATTR_DEVICE_NAME, %NFC_ATTR_DEVICE_INDEX and
52 * %NFC_ATTR_PROTOCOLS)
53 * @NFC_EVENT_DEVICE_REMOVED: event emitted when a device is removed
54 * (it sends %NFC_ATTR_DEVICE_INDEX)
55 */
56enum nfc_commands {
57 NFC_CMD_UNSPEC,
58 NFC_CMD_GET_DEVICE,
59 NFC_CMD_START_POLL,
60 NFC_CMD_STOP_POLL,
61 NFC_CMD_GET_TARGET,
62 NFC_EVENT_TARGETS_FOUND,
63 NFC_EVENT_DEVICE_ADDED,
64 NFC_EVENT_DEVICE_REMOVED,
65/* private: internal use only */
66 __NFC_CMD_AFTER_LAST
67};
68#define NFC_CMD_MAX (__NFC_CMD_AFTER_LAST - 1)
69
70/**
71 * enum nfc_attrs - supported nfc attributes
72 *
73 * @NFC_ATTR_UNSPEC: unspecified attribute
74 *
75 * @NFC_ATTR_DEVICE_INDEX: index of nfc device
76 * @NFC_ATTR_DEVICE_NAME: device name, max 8 chars
77 * @NFC_ATTR_PROTOCOLS: nfc protocols - bitwise or-ed combination from
78 * NFC_PROTO_*_MASK constants
79 * @NFC_ATTR_TARGET_INDEX: index of the nfc target
80 * @NFC_ATTR_TARGET_SENS_RES: NFC-A targets extra information such as NFCID
81 * @NFC_ATTR_TARGET_SEL_RES: NFC-A targets extra information (useful if the
82 * target is not NFC-Forum compliant)
83 */
84enum nfc_attrs {
85 NFC_ATTR_UNSPEC,
86 NFC_ATTR_DEVICE_INDEX,
87 NFC_ATTR_DEVICE_NAME,
88 NFC_ATTR_PROTOCOLS,
89 NFC_ATTR_TARGET_INDEX,
90 NFC_ATTR_TARGET_SENS_RES,
91 NFC_ATTR_TARGET_SEL_RES,
92/* private: internal use only */
93 __NFC_ATTR_AFTER_LAST
94};
95#define NFC_ATTR_MAX (__NFC_ATTR_AFTER_LAST - 1)
96
97#define NFC_DEVICE_NAME_MAXSIZE 8
98
99/* NFC protocols */
100#define NFC_PROTO_JEWEL 1
101#define NFC_PROTO_MIFARE 2
102#define NFC_PROTO_FELICA 3
103#define NFC_PROTO_ISO14443 4
104#define NFC_PROTO_NFC_DEP 5
105
106#define NFC_PROTO_MAX 6
107
108/* NFC protocols masks used in bitsets */
109#define NFC_PROTO_JEWEL_MASK (1 << NFC_PROTO_JEWEL)
110#define NFC_PROTO_MIFARE_MASK (1 << NFC_PROTO_MIFARE)
111#define NFC_PROTO_FELICA_MASK (1 << NFC_PROTO_FELICA)
112#define NFC_PROTO_ISO14443_MASK (1 << NFC_PROTO_ISO14443)
113#define NFC_PROTO_NFC_DEP_MASK (1 << NFC_PROTO_NFC_DEP)
114
115struct sockaddr_nfc {
116 sa_family_t sa_family;
117 __u32 dev_idx;
118 __u32 target_idx;
119 __u32 nfc_protocol;
120};
121
122/* NFC socket protocols */
123#define NFC_SOCKPROTO_RAW 0
124#define NFC_SOCKPROTO_MAX 1
125
126#endif /*__LINUX_NFC_H */