1 /* 2 * Copyright (C) 2011 Instituto Nokia de Tecnologia 3 * 4 * Authors: 5 * Lauro Ramos Venancio <[email protected]> 6 * Aloisio Almeida Jr <[email protected]> 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 * @NFC_EVENT_TM_ACTIVATED: event emitted when the adapter is activated in 60 * target mode. 61 * @NFC_EVENT_DEVICE_DEACTIVATED: event emitted when the adapter is deactivated 62 * from target mode. 63 */ 64 enum nfc_commands { 65 NFC_CMD_UNSPEC, 66 NFC_CMD_GET_DEVICE, 67 NFC_CMD_DEV_UP, 68 NFC_CMD_DEV_DOWN, 69 NFC_CMD_DEP_LINK_UP, 70 NFC_CMD_DEP_LINK_DOWN, 71 NFC_CMD_START_POLL, 72 NFC_CMD_STOP_POLL, 73 NFC_CMD_GET_TARGET, 74 NFC_EVENT_TARGETS_FOUND, 75 NFC_EVENT_DEVICE_ADDED, 76 NFC_EVENT_DEVICE_REMOVED, 77 NFC_EVENT_TARGET_LOST, 78 NFC_EVENT_TM_ACTIVATED, 79 NFC_EVENT_TM_DEACTIVATED, 80 /* private: internal use only */ 81 __NFC_CMD_AFTER_LAST 82 }; 83 #define NFC_CMD_MAX (__NFC_CMD_AFTER_LAST - 1) 84 85 /** 86 * enum nfc_attrs - supported nfc attributes 87 * 88 * @NFC_ATTR_UNSPEC: unspecified attribute 89 * 90 * @NFC_ATTR_DEVICE_INDEX: index of nfc device 91 * @NFC_ATTR_DEVICE_NAME: device name, max 8 chars 92 * @NFC_ATTR_PROTOCOLS: nfc protocols - bitwise or-ed combination from 93 * NFC_PROTO_*_MASK constants 94 * @NFC_ATTR_TARGET_INDEX: index of the nfc target 95 * @NFC_ATTR_TARGET_SENS_RES: NFC-A targets extra information such as NFCID 96 * @NFC_ATTR_TARGET_SEL_RES: NFC-A targets extra information (useful if the 97 * target is not NFC-Forum compliant) 98 * @NFC_ATTR_TARGET_NFCID1: NFC-A targets identifier, max 10 bytes 99 * @NFC_ATTR_TARGET_SENSB_RES: NFC-B targets extra information, max 12 bytes 100 * @NFC_ATTR_TARGET_SENSF_RES: NFC-F targets extra information, max 18 bytes 101 * @NFC_ATTR_COMM_MODE: Passive or active mode 102 * @NFC_ATTR_RF_MODE: Initiator or target 103 * @NFC_ATTR_IM_PROTOCOLS: Initiator mode protocols to poll for 104 * @NFC_ATTR_TM_PROTOCOLS: Target mode protocols to listen for 105 */ 106 enum nfc_attrs { 107 NFC_ATTR_UNSPEC, 108 NFC_ATTR_DEVICE_INDEX, 109 NFC_ATTR_DEVICE_NAME, 110 NFC_ATTR_PROTOCOLS, 111 NFC_ATTR_TARGET_INDEX, 112 NFC_ATTR_TARGET_SENS_RES, 113 NFC_ATTR_TARGET_SEL_RES, 114 NFC_ATTR_TARGET_NFCID1, 115 NFC_ATTR_TARGET_SENSB_RES, 116 NFC_ATTR_TARGET_SENSF_RES, 117 NFC_ATTR_COMM_MODE, 118 NFC_ATTR_RF_MODE, 119 NFC_ATTR_DEVICE_POWERED, 120 NFC_ATTR_IM_PROTOCOLS, 121 NFC_ATTR_TM_PROTOCOLS, 122 /* private: internal use only */ 123 __NFC_ATTR_AFTER_LAST 124 }; 125 #define NFC_ATTR_MAX (__NFC_ATTR_AFTER_LAST - 1) 126 127 #define NFC_DEVICE_NAME_MAXSIZE 8 128 #define NFC_NFCID1_MAXSIZE 10 129 #define NFC_SENSB_RES_MAXSIZE 12 130 #define NFC_SENSF_RES_MAXSIZE 18 131 #define NFC_GB_MAXSIZE 48 132 133 /* NFC protocols */ 134 #define NFC_PROTO_JEWEL 1 135 #define NFC_PROTO_MIFARE 2 136 #define NFC_PROTO_FELICA 3 137 #define NFC_PROTO_ISO14443 4 138 #define NFC_PROTO_NFC_DEP 5 139 #define NFC_PROTO_ISO14443_B 6 140 141 #define NFC_PROTO_MAX 7 142 143 /* NFC communication modes */ 144 #define NFC_COMM_ACTIVE 0 145 #define NFC_COMM_PASSIVE 1 146 147 /* NFC RF modes */ 148 #define NFC_RF_INITIATOR 0 149 #define NFC_RF_TARGET 1 150 #define NFC_RF_NONE 2 151 152 /* NFC protocols masks used in bitsets */ 153 #define NFC_PROTO_JEWEL_MASK (1 << NFC_PROTO_JEWEL) 154 #define NFC_PROTO_MIFARE_MASK (1 << NFC_PROTO_MIFARE) 155 #define NFC_PROTO_FELICA_MASK (1 << NFC_PROTO_FELICA) 156 #define NFC_PROTO_ISO14443_MASK (1 << NFC_PROTO_ISO14443) 157 #define NFC_PROTO_NFC_DEP_MASK (1 << NFC_PROTO_NFC_DEP) 158 #define NFC_PROTO_ISO14443_B_MASK (1 << NFC_PROTO_ISO14443_B) 159 160 struct sockaddr_nfc { 161 sa_family_t sa_family; 162 __u32 dev_idx; 163 __u32 target_idx; 164 __u32 nfc_protocol; 165 }; 166 167 #define NFC_LLCP_MAX_SERVICE_NAME 63 168 struct sockaddr_nfc_llcp { 169 sa_family_t sa_family; 170 __u32 dev_idx; 171 __u32 target_idx; 172 __u32 nfc_protocol; 173 __u8 dsap; /* Destination SAP, if known */ 174 __u8 ssap; /* Source SAP to be bound to */ 175 char service_name[NFC_LLCP_MAX_SERVICE_NAME]; /* Service name URI */; 176 size_t service_name_len; 177 }; 178 179 /* NFC socket protocols */ 180 #define NFC_SOCKPROTO_RAW 0 181 #define NFC_SOCKPROTO_LLCP 1 182 #define NFC_SOCKPROTO_MAX 2 183 184 #define NFC_HEADER_SIZE 1 185 186 /** 187 * Pseudo-header info for raw socket packets 188 * First byte is the adapter index 189 * Second byte contains flags 190 * - 0x01 - Direction (0=RX, 1=TX) 191 * - 0x02-0x80 - Reserved 192 **/ 193 #define NFC_LLCP_RAW_HEADER_SIZE 2 194 #define NFC_LLCP_DIRECTION_RX 0x00 195 #define NFC_LLCP_DIRECTION_TX 0x01 196 197 #endif /*__LINUX_NFC_H */ 198