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_DEV_UP: turn on the nfc device
43 * (requires %NFC_ATTR_DEVICE_INDEX)
44 * @NFC_CMD_DEV_DOWN: turn off the nfc device
45 * (requires %NFC_ATTR_DEVICE_INDEX)
46 * @NFC_CMD_START_POLL: start polling for targets using the given protocols
47 * (requires %NFC_ATTR_DEVICE_INDEX and %NFC_ATTR_PROTOCOLS)
48 * @NFC_CMD_STOP_POLL: stop polling for targets (requires
49 * %NFC_ATTR_DEVICE_INDEX)
50 * @NFC_CMD_GET_TARGET: dump all targets found by the previous poll (requires
51 * %NFC_ATTR_DEVICE_INDEX)
52 * @NFC_EVENT_TARGETS_FOUND: event emitted when a new target is found
53 * (it sends %NFC_ATTR_DEVICE_INDEX)
54 * @NFC_EVENT_DEVICE_ADDED: event emitted when a new device is registred
55 * (it sends %NFC_ATTR_DEVICE_NAME, %NFC_ATTR_DEVICE_INDEX and
56 * %NFC_ATTR_PROTOCOLS)
57 * @NFC_EVENT_DEVICE_REMOVED: event emitted when a device is removed
58 * (it sends %NFC_ATTR_DEVICE_INDEX)
59 */
60enum nfc_commands {
61 NFC_CMD_UNSPEC,
62 NFC_CMD_GET_DEVICE,
63 NFC_CMD_DEV_UP,
64 NFC_CMD_DEV_DOWN,
65 NFC_CMD_DEP_LINK_UP,
66 NFC_CMD_DEP_LINK_DOWN,
67 NFC_CMD_START_POLL,
68 NFC_CMD_STOP_POLL,
69 NFC_CMD_GET_TARGET,
70 NFC_EVENT_TARGETS_FOUND,
71 NFC_EVENT_DEVICE_ADDED,
72 NFC_EVENT_DEVICE_REMOVED,
73/* private: internal use only */
74 __NFC_CMD_AFTER_LAST
75};
76#define NFC_CMD_MAX (__NFC_CMD_AFTER_LAST - 1)
77
78/**
79 * enum nfc_attrs - supported nfc attributes
80 *
81 * @NFC_ATTR_UNSPEC: unspecified attribute
82 *
83 * @NFC_ATTR_DEVICE_INDEX: index of nfc device
84 * @NFC_ATTR_DEVICE_NAME: device name, max 8 chars
85 * @NFC_ATTR_PROTOCOLS: nfc protocols - bitwise or-ed combination from
86 * NFC_PROTO_*_MASK constants
87 * @NFC_ATTR_TARGET_INDEX: index of the nfc target
88 * @NFC_ATTR_TARGET_SENS_RES: NFC-A targets extra information such as NFCID
89 * @NFC_ATTR_TARGET_SEL_RES: NFC-A targets extra information (useful if the
90 * target is not NFC-Forum compliant)
91 * @NFC_ATTR_TARGET_NFCID1: NFC-A targets identifier, max 10 bytes
92 * @NFC_ATTR_TARGET_SENSB_RES: NFC-B targets extra information, max 12 bytes
93 * @NFC_ATTR_TARGET_SENSF_RES: NFC-F targets extra information, max 18 bytes
94 * @NFC_ATTR_COMM_MODE: Passive or active mode
95 * @NFC_ATTR_RF_MODE: Initiator or target
96 */
97enum nfc_attrs {
98 NFC_ATTR_UNSPEC,
99 NFC_ATTR_DEVICE_INDEX,
100 NFC_ATTR_DEVICE_NAME,
101 NFC_ATTR_PROTOCOLS,
102 NFC_ATTR_TARGET_INDEX,
103 NFC_ATTR_TARGET_SENS_RES,
104 NFC_ATTR_TARGET_SEL_RES,
105 NFC_ATTR_TARGET_NFCID1,
106 NFC_ATTR_TARGET_SENSB_RES,
107 NFC_ATTR_TARGET_SENSF_RES,
108 NFC_ATTR_COMM_MODE,
109 NFC_ATTR_RF_MODE,
110 NFC_ATTR_DEVICE_POWERED,
111/* private: internal use only */
112 __NFC_ATTR_AFTER_LAST
113};
114#define NFC_ATTR_MAX (__NFC_ATTR_AFTER_LAST - 1)
115
116#define NFC_DEVICE_NAME_MAXSIZE 8
117#define NFC_NFCID1_MAXSIZE 10
118#define NFC_SENSB_RES_MAXSIZE 12
119#define NFC_SENSF_RES_MAXSIZE 18
120
121/* NFC protocols */
122#define NFC_PROTO_JEWEL 1
123#define NFC_PROTO_MIFARE 2
124#define NFC_PROTO_FELICA 3
125#define NFC_PROTO_ISO14443 4
126#define NFC_PROTO_NFC_DEP 5
127
128#define NFC_PROTO_MAX 6
129
130/* NFC communication modes */
131#define NFC_COMM_ACTIVE 0
132#define NFC_COMM_PASSIVE 1
133
134/* NFC RF modes */
135#define NFC_RF_INITIATOR 0
136#define NFC_RF_TARGET 1
137
138/* NFC protocols masks used in bitsets */
139#define NFC_PROTO_JEWEL_MASK (1 << NFC_PROTO_JEWEL)
140#define NFC_PROTO_MIFARE_MASK (1 << NFC_PROTO_MIFARE)
141#define NFC_PROTO_FELICA_MASK (1 << NFC_PROTO_FELICA)
142#define NFC_PROTO_ISO14443_MASK (1 << NFC_PROTO_ISO14443)
143#define NFC_PROTO_NFC_DEP_MASK (1 << NFC_PROTO_NFC_DEP)
144
145struct sockaddr_nfc {
146 sa_family_t sa_family;
147 __u32 dev_idx;
148 __u32 target_idx;
149 __u32 nfc_protocol;
150};
151
152#define NFC_LLCP_MAX_SERVICE_NAME 63
153struct sockaddr_nfc_llcp {
154 sa_family_t sa_family;
155 __u32 dev_idx;
156 __u32 target_idx;
157 __u32 nfc_protocol;
158 __u8 dsap; /* Destination SAP, if known */
159 __u8 ssap; /* Source SAP to be bound to */
160 char service_name[NFC_LLCP_MAX_SERVICE_NAME]; /* Service name URI */;
161 size_t service_name_len;
162};
163
164/* NFC socket protocols */
165#define NFC_SOCKPROTO_RAW 0
166#define NFC_SOCKPROTO_LLCP 1
167#define NFC_SOCKPROTO_MAX 2
168
169#define NFC_HEADER_SIZE 1
170
171#endif /*__LINUX_NFC_H */