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 */ 60 enum 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 */ 97 enum 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) 144 145 struct 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 63 153 struct 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 */ 172