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 NFC_EVENT_TARGET_LOST, 74/* private: internal use only */ 75 __NFC_CMD_AFTER_LAST 76}; 77#define NFC_CMD_MAX (__NFC_CMD_AFTER_LAST - 1) 78 79/** 80 * enum nfc_attrs - supported nfc attributes 81 * 82 * @NFC_ATTR_UNSPEC: unspecified attribute 83 * 84 * @NFC_ATTR_DEVICE_INDEX: index of nfc device 85 * @NFC_ATTR_DEVICE_NAME: device name, max 8 chars 86 * @NFC_ATTR_PROTOCOLS: nfc protocols - bitwise or-ed combination from 87 * NFC_PROTO_*_MASK constants 88 * @NFC_ATTR_TARGET_INDEX: index of the nfc target 89 * @NFC_ATTR_TARGET_SENS_RES: NFC-A targets extra information such as NFCID 90 * @NFC_ATTR_TARGET_SEL_RES: NFC-A targets extra information (useful if the 91 * target is not NFC-Forum compliant) 92 * @NFC_ATTR_TARGET_NFCID1: NFC-A targets identifier, max 10 bytes 93 * @NFC_ATTR_TARGET_SENSB_RES: NFC-B targets extra information, max 12 bytes 94 * @NFC_ATTR_TARGET_SENSF_RES: NFC-F targets extra information, max 18 bytes 95 * @NFC_ATTR_COMM_MODE: Passive or active mode 96 * @NFC_ATTR_RF_MODE: Initiator or target 97 */ 98enum nfc_attrs { 99 NFC_ATTR_UNSPEC, 100 NFC_ATTR_DEVICE_INDEX, 101 NFC_ATTR_DEVICE_NAME, 102 NFC_ATTR_PROTOCOLS, 103 NFC_ATTR_TARGET_INDEX, 104 NFC_ATTR_TARGET_SENS_RES, 105 NFC_ATTR_TARGET_SEL_RES, 106 NFC_ATTR_TARGET_NFCID1, 107 NFC_ATTR_TARGET_SENSB_RES, 108 NFC_ATTR_TARGET_SENSF_RES, 109 NFC_ATTR_COMM_MODE, 110 NFC_ATTR_RF_MODE, 111 NFC_ATTR_DEVICE_POWERED, 112/* private: internal use only */ 113 __NFC_ATTR_AFTER_LAST 114}; 115#define NFC_ATTR_MAX (__NFC_ATTR_AFTER_LAST - 1) 116 117#define NFC_DEVICE_NAME_MAXSIZE 8 118#define NFC_NFCID1_MAXSIZE 10 119#define NFC_SENSB_RES_MAXSIZE 12 120#define NFC_SENSF_RES_MAXSIZE 18 121 122/* NFC protocols */ 123#define NFC_PROTO_JEWEL 1 124#define NFC_PROTO_MIFARE 2 125#define NFC_PROTO_FELICA 3 126#define NFC_PROTO_ISO14443 4 127#define NFC_PROTO_NFC_DEP 5 128 129#define NFC_PROTO_MAX 6 130 131/* NFC communication modes */ 132#define NFC_COMM_ACTIVE 0 133#define NFC_COMM_PASSIVE 1 134 135/* NFC RF modes */ 136#define NFC_RF_INITIATOR 0 137#define NFC_RF_TARGET 1 138 139/* NFC protocols masks used in bitsets */ 140#define NFC_PROTO_JEWEL_MASK (1 << NFC_PROTO_JEWEL) 141#define NFC_PROTO_MIFARE_MASK (1 << NFC_PROTO_MIFARE) 142#define NFC_PROTO_FELICA_MASK (1 << NFC_PROTO_FELICA) 143#define NFC_PROTO_ISO14443_MASK (1 << NFC_PROTO_ISO14443) 144#define NFC_PROTO_NFC_DEP_MASK (1 << NFC_PROTO_NFC_DEP) 145 146struct sockaddr_nfc { 147 sa_family_t sa_family; 148 __u32 dev_idx; 149 __u32 target_idx; 150 __u32 nfc_protocol; 151}; 152 153#define NFC_LLCP_MAX_SERVICE_NAME 63 154struct sockaddr_nfc_llcp { 155 sa_family_t sa_family; 156 __u32 dev_idx; 157 __u32 target_idx; 158 __u32 nfc_protocol; 159 __u8 dsap; /* Destination SAP, if known */ 160 __u8 ssap; /* Source SAP to be bound to */ 161 char service_name[NFC_LLCP_MAX_SERVICE_NAME]; /* Service name URI */; 162 size_t service_name_len; 163}; 164 165/* NFC socket protocols */ 166#define NFC_SOCKPROTO_RAW 0 167#define NFC_SOCKPROTO_LLCP 1 168#define NFC_SOCKPROTO_MAX 2 169 170#define NFC_HEADER_SIZE 1 171 172#endif /*__LINUX_NFC_H */ 173