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001: /*
002:  * Copyright (C) 2011 Instituto Nokia de Tecnologia
003:  *
004:  * Authors:
005:  *    Lauro Ramos Venancio <lauro.venancio@openbossa.org>
006:  *    Aloisio Almeida Jr <aloisio.almeida@openbossa.org>
007:  *
008:  * This program is free software; you can redistribute it and/or modify
009:  * it under the terms of the GNU General Public License as published by
010:  * the Free Software Foundation; either version 2 of the License, or
011:  * (at your option) any later version.
012:  *
013:  * This program is distributed in the hope that it will be useful,
014:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
015:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
016:  * GNU General Public License for more details.
017:  *
018:  * You should have received a copy of the GNU General Public License
019:  * along with this program; if not, write to the
020:  * Free Software Foundation, Inc.,
021:  * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
022:  */
023: 
024: #ifndef __LINUX_NFC_H
025: #define __LINUX_NFC_H
026: 
027: #include <linux/types.h>
028: #include <linux/socket.h>
029: 
030: #define NFC_GENL_NAME "nfc"
031: #define NFC_GENL_VERSION 1
032: 
033: #define NFC_GENL_MCAST_EVENT_NAME "events"
034: 
035: /**
036:  * enum nfc_commands - supported nfc commands
037:  *
038:  * @NFC_CMD_UNSPEC: unspecified command
039:  *
040:  * @NFC_CMD_GET_DEVICE: request information about a device (requires
041:  *      %NFC_ATTR_DEVICE_INDEX) or dump request to get a list of all nfc devices
042:  * @NFC_CMD_DEV_UP: turn on the nfc device
043:  *      (requires %NFC_ATTR_DEVICE_INDEX)
044:  * @NFC_CMD_DEV_DOWN: turn off the nfc device
045:  *      (requires %NFC_ATTR_DEVICE_INDEX)
046:  * @NFC_CMD_START_POLL: start polling for targets using the given protocols
047:  *      (requires %NFC_ATTR_DEVICE_INDEX and %NFC_ATTR_PROTOCOLS)
048:  * @NFC_CMD_STOP_POLL: stop polling for targets (requires
049:  *      %NFC_ATTR_DEVICE_INDEX)
050:  * @NFC_CMD_GET_TARGET: dump all targets found by the previous poll (requires
051:  *      %NFC_ATTR_DEVICE_INDEX)
052:  * @NFC_EVENT_TARGETS_FOUND: event emitted when a new target is found
053:  *      (it sends %NFC_ATTR_DEVICE_INDEX)
054:  * @NFC_EVENT_DEVICE_ADDED: event emitted when a new device is registred
055:  *      (it sends %NFC_ATTR_DEVICE_NAME, %NFC_ATTR_DEVICE_INDEX and
056:  *      %NFC_ATTR_PROTOCOLS)
057:  * @NFC_EVENT_DEVICE_REMOVED: event emitted when a device is removed
058:  *      (it sends %NFC_ATTR_DEVICE_INDEX)
059:  */
060: enum nfc_commands {
061:         NFC_CMD_UNSPEC,
062:         NFC_CMD_GET_DEVICE,
063:         NFC_CMD_DEV_UP,
064:         NFC_CMD_DEV_DOWN,
065:         NFC_CMD_START_POLL,
066:         NFC_CMD_STOP_POLL,
067:         NFC_CMD_GET_TARGET,
068:         NFC_EVENT_TARGETS_FOUND,
069:         NFC_EVENT_DEVICE_ADDED,
070:         NFC_EVENT_DEVICE_REMOVED,
071: /* private: internal use only */
072:         __NFC_CMD_AFTER_LAST
073: };
074: #define NFC_CMD_MAX (__NFC_CMD_AFTER_LAST - 1)
075: 
076: /**
077:  * enum nfc_attrs - supported nfc attributes
078:  *
079:  * @NFC_ATTR_UNSPEC: unspecified attribute
080:  *
081:  * @NFC_ATTR_DEVICE_INDEX: index of nfc device
082:  * @NFC_ATTR_DEVICE_NAME: device name, max 8 chars
083:  * @NFC_ATTR_PROTOCOLS: nfc protocols - bitwise or-ed combination from
084:  *      NFC_PROTO_*_MASK constants
085:  * @NFC_ATTR_TARGET_INDEX: index of the nfc target
086:  * @NFC_ATTR_TARGET_SENS_RES: NFC-A targets extra information such as NFCID
087:  * @NFC_ATTR_TARGET_SEL_RES: NFC-A targets extra information (useful if the
088:  *      target is not NFC-Forum compliant)
089:  */
090: enum nfc_attrs {
091:         NFC_ATTR_UNSPEC,
092:         NFC_ATTR_DEVICE_INDEX,
093:         NFC_ATTR_DEVICE_NAME,
094:         NFC_ATTR_PROTOCOLS,
095:         NFC_ATTR_TARGET_INDEX,
096:         NFC_ATTR_TARGET_SENS_RES,
097:         NFC_ATTR_TARGET_SEL_RES,
098: /* private: internal use only */
099:         __NFC_ATTR_AFTER_LAST
100: };
101: #define NFC_ATTR_MAX (__NFC_ATTR_AFTER_LAST - 1)
102: 
103: #define NFC_DEVICE_NAME_MAXSIZE 8
104: 
105: /* NFC protocols */
106: #define NFC_PROTO_JEWEL         1
107: #define NFC_PROTO_MIFARE        2
108: #define NFC_PROTO_FELICA        3
109: #define NFC_PROTO_ISO14443      4
110: #define NFC_PROTO_NFC_DEP       5
111: 
112: #define NFC_PROTO_MAX           6
113: 
114: /* NFC protocols masks used in bitsets */
115: #define NFC_PROTO_JEWEL_MASK    (1 << NFC_PROTO_JEWEL)
116: #define NFC_PROTO_MIFARE_MASK   (1 << NFC_PROTO_MIFARE)
117: #define NFC_PROTO_FELICA_MASK   (1 << NFC_PROTO_FELICA)
118: #define NFC_PROTO_ISO14443_MASK (1 << NFC_PROTO_ISO14443)
119: #define NFC_PROTO_NFC_DEP_MASK  (1 << NFC_PROTO_NFC_DEP)
120: 
121: struct sockaddr_nfc {
122:         sa_family_t sa_family;
123:         __u32 dev_idx;
124:         __u32 target_idx;
125:         __u32 nfc_protocol;
126: };
127: 
128: /* NFC socket protocols */
129: #define NFC_SOCKPROTO_RAW       0
130: #define NFC_SOCKPROTO_MAX       1
131: 
132: #define NFC_HEADER_SIZE 1
133: 
134: #endif /*__LINUX_NFC_H */
135: 

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