1607ca46eSDavid Howells /* 2607ca46eSDavid Howells * Copyright (C) 2011 Instituto Nokia de Tecnologia 3607ca46eSDavid Howells * 4607ca46eSDavid Howells * Authors: 5607ca46eSDavid Howells * Lauro Ramos Venancio <lauro.venancio@openbossa.org> 6607ca46eSDavid Howells * Aloisio Almeida Jr <aloisio.almeida@openbossa.org> 7607ca46eSDavid Howells * 8d3710e74SLauro Ramos Venancio * Permission to use, copy, modify, and/or distribute this software for any 9d3710e74SLauro Ramos Venancio * purpose with or without fee is hereby granted, provided that the above 10d3710e74SLauro Ramos Venancio * copyright notice and this permission notice appear in all copies. 11607ca46eSDavid Howells * 12d3710e74SLauro Ramos Venancio * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 13d3710e74SLauro Ramos Venancio * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 14d3710e74SLauro Ramos Venancio * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 15d3710e74SLauro Ramos Venancio * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 16d3710e74SLauro Ramos Venancio * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 17d3710e74SLauro Ramos Venancio * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 18d3710e74SLauro Ramos Venancio * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 19607ca46eSDavid Howells */ 20607ca46eSDavid Howells 21607ca46eSDavid Howells #ifndef __LINUX_NFC_H 22607ca46eSDavid Howells #define __LINUX_NFC_H 23607ca46eSDavid Howells 24607ca46eSDavid Howells #include <linux/types.h> 25607ca46eSDavid Howells #include <linux/socket.h> 26607ca46eSDavid Howells 27607ca46eSDavid Howells #define NFC_GENL_NAME "nfc" 28607ca46eSDavid Howells #define NFC_GENL_VERSION 1 29607ca46eSDavid Howells 30607ca46eSDavid Howells #define NFC_GENL_MCAST_EVENT_NAME "events" 31607ca46eSDavid Howells 32607ca46eSDavid Howells /** 33607ca46eSDavid Howells * enum nfc_commands - supported nfc commands 34607ca46eSDavid Howells * 35607ca46eSDavid Howells * @NFC_CMD_UNSPEC: unspecified command 36607ca46eSDavid Howells * 37607ca46eSDavid Howells * @NFC_CMD_GET_DEVICE: request information about a device (requires 38607ca46eSDavid Howells * %NFC_ATTR_DEVICE_INDEX) or dump request to get a list of all nfc devices 39607ca46eSDavid Howells * @NFC_CMD_DEV_UP: turn on the nfc device 40607ca46eSDavid Howells * (requires %NFC_ATTR_DEVICE_INDEX) 41607ca46eSDavid Howells * @NFC_CMD_DEV_DOWN: turn off the nfc device 42607ca46eSDavid Howells * (requires %NFC_ATTR_DEVICE_INDEX) 43607ca46eSDavid Howells * @NFC_CMD_START_POLL: start polling for targets using the given protocols 44607ca46eSDavid Howells * (requires %NFC_ATTR_DEVICE_INDEX and %NFC_ATTR_PROTOCOLS) 45607ca46eSDavid Howells * @NFC_CMD_STOP_POLL: stop polling for targets (requires 46607ca46eSDavid Howells * %NFC_ATTR_DEVICE_INDEX) 47607ca46eSDavid Howells * @NFC_CMD_GET_TARGET: dump all targets found by the previous poll (requires 48607ca46eSDavid Howells * %NFC_ATTR_DEVICE_INDEX) 49607ca46eSDavid Howells * @NFC_EVENT_TARGETS_FOUND: event emitted when a new target is found 50607ca46eSDavid Howells * (it sends %NFC_ATTR_DEVICE_INDEX) 51607ca46eSDavid Howells * @NFC_EVENT_DEVICE_ADDED: event emitted when a new device is registred 52607ca46eSDavid Howells * (it sends %NFC_ATTR_DEVICE_NAME, %NFC_ATTR_DEVICE_INDEX and 53607ca46eSDavid Howells * %NFC_ATTR_PROTOCOLS) 54607ca46eSDavid Howells * @NFC_EVENT_DEVICE_REMOVED: event emitted when a device is removed 55607ca46eSDavid Howells * (it sends %NFC_ATTR_DEVICE_INDEX) 56607ca46eSDavid Howells * @NFC_EVENT_TM_ACTIVATED: event emitted when the adapter is activated in 57607ca46eSDavid Howells * target mode. 58607ca46eSDavid Howells * @NFC_EVENT_DEVICE_DEACTIVATED: event emitted when the adapter is deactivated 59607ca46eSDavid Howells * from target mode. 6052feb444SThierry Escande * @NFC_CMD_LLC_GET_PARAMS: request LTO, RW, and MIUX parameters for a device 6152feb444SThierry Escande * @NFC_CMD_LLC_SET_PARAMS: set one or more of LTO, RW, and MIUX parameters for 6252feb444SThierry Escande * a device. LTO must be set before the link is up otherwise -EINPROGRESS 6352feb444SThierry Escande * is returned. RW and MIUX can be set at anytime and will be passed in 6452feb444SThierry Escande * subsequent CONNECT and CC messages. 6552feb444SThierry Escande * If one of the passed parameters is wrong none is set and -EINVAL is 6652feb444SThierry Escande * returned. 67390a1bd8SSamuel Ortiz * @NFC_CMD_ENABLE_SE: Enable the physical link to a specific secure element. 68390a1bd8SSamuel Ortiz * Once enabled a secure element will handle card emulation mode, i.e. 69390a1bd8SSamuel Ortiz * starting a poll from a device which has a secure element enabled means 70390a1bd8SSamuel Ortiz * we want to do SE based card emulation. 71390a1bd8SSamuel Ortiz * @NFC_CMD_DISABLE_SE: Disable the physical link to a specific secure element. 72607ca46eSDavid Howells */ 73607ca46eSDavid Howells enum nfc_commands { 74607ca46eSDavid Howells NFC_CMD_UNSPEC, 75607ca46eSDavid Howells NFC_CMD_GET_DEVICE, 76607ca46eSDavid Howells NFC_CMD_DEV_UP, 77607ca46eSDavid Howells NFC_CMD_DEV_DOWN, 78607ca46eSDavid Howells NFC_CMD_DEP_LINK_UP, 79607ca46eSDavid Howells NFC_CMD_DEP_LINK_DOWN, 80607ca46eSDavid Howells NFC_CMD_START_POLL, 81607ca46eSDavid Howells NFC_CMD_STOP_POLL, 82607ca46eSDavid Howells NFC_CMD_GET_TARGET, 83607ca46eSDavid Howells NFC_EVENT_TARGETS_FOUND, 84607ca46eSDavid Howells NFC_EVENT_DEVICE_ADDED, 85607ca46eSDavid Howells NFC_EVENT_DEVICE_REMOVED, 86607ca46eSDavid Howells NFC_EVENT_TARGET_LOST, 87607ca46eSDavid Howells NFC_EVENT_TM_ACTIVATED, 88607ca46eSDavid Howells NFC_EVENT_TM_DEACTIVATED, 8952feb444SThierry Escande NFC_CMD_LLC_GET_PARAMS, 9052feb444SThierry Escande NFC_CMD_LLC_SET_PARAMS, 91390a1bd8SSamuel Ortiz NFC_CMD_ENABLE_SE, 92390a1bd8SSamuel Ortiz NFC_CMD_DISABLE_SE, 93*d9b8d8e1SThierry Escande NFC_CMD_LLC_SDREQ, 94*d9b8d8e1SThierry Escande NFC_EVENT_LLC_SDRES, 95607ca46eSDavid Howells /* private: internal use only */ 96607ca46eSDavid Howells __NFC_CMD_AFTER_LAST 97607ca46eSDavid Howells }; 98607ca46eSDavid Howells #define NFC_CMD_MAX (__NFC_CMD_AFTER_LAST - 1) 99607ca46eSDavid Howells 100607ca46eSDavid Howells /** 101607ca46eSDavid Howells * enum nfc_attrs - supported nfc attributes 102607ca46eSDavid Howells * 103607ca46eSDavid Howells * @NFC_ATTR_UNSPEC: unspecified attribute 104607ca46eSDavid Howells * 105607ca46eSDavid Howells * @NFC_ATTR_DEVICE_INDEX: index of nfc device 106607ca46eSDavid Howells * @NFC_ATTR_DEVICE_NAME: device name, max 8 chars 107607ca46eSDavid Howells * @NFC_ATTR_PROTOCOLS: nfc protocols - bitwise or-ed combination from 108607ca46eSDavid Howells * NFC_PROTO_*_MASK constants 109607ca46eSDavid Howells * @NFC_ATTR_TARGET_INDEX: index of the nfc target 110607ca46eSDavid Howells * @NFC_ATTR_TARGET_SENS_RES: NFC-A targets extra information such as NFCID 111607ca46eSDavid Howells * @NFC_ATTR_TARGET_SEL_RES: NFC-A targets extra information (useful if the 112607ca46eSDavid Howells * target is not NFC-Forum compliant) 113607ca46eSDavid Howells * @NFC_ATTR_TARGET_NFCID1: NFC-A targets identifier, max 10 bytes 114607ca46eSDavid Howells * @NFC_ATTR_TARGET_SENSB_RES: NFC-B targets extra information, max 12 bytes 115607ca46eSDavid Howells * @NFC_ATTR_TARGET_SENSF_RES: NFC-F targets extra information, max 18 bytes 116607ca46eSDavid Howells * @NFC_ATTR_COMM_MODE: Passive or active mode 117607ca46eSDavid Howells * @NFC_ATTR_RF_MODE: Initiator or target 118607ca46eSDavid Howells * @NFC_ATTR_IM_PROTOCOLS: Initiator mode protocols to poll for 119607ca46eSDavid Howells * @NFC_ATTR_TM_PROTOCOLS: Target mode protocols to listen for 12052feb444SThierry Escande * @NFC_ATTR_LLC_PARAM_LTO: Link TimeOut parameter 12152feb444SThierry Escande * @NFC_ATTR_LLC_PARAM_RW: Receive Window size parameter 12252feb444SThierry Escande * @NFC_ATTR_LLC_PARAM_MIUX: MIU eXtension parameter 123390a1bd8SSamuel Ortiz * @NFC_ATTR_SE: Available Secure Elements 124607ca46eSDavid Howells */ 125607ca46eSDavid Howells enum nfc_attrs { 126607ca46eSDavid Howells NFC_ATTR_UNSPEC, 127607ca46eSDavid Howells NFC_ATTR_DEVICE_INDEX, 128607ca46eSDavid Howells NFC_ATTR_DEVICE_NAME, 129607ca46eSDavid Howells NFC_ATTR_PROTOCOLS, 130607ca46eSDavid Howells NFC_ATTR_TARGET_INDEX, 131607ca46eSDavid Howells NFC_ATTR_TARGET_SENS_RES, 132607ca46eSDavid Howells NFC_ATTR_TARGET_SEL_RES, 133607ca46eSDavid Howells NFC_ATTR_TARGET_NFCID1, 134607ca46eSDavid Howells NFC_ATTR_TARGET_SENSB_RES, 135607ca46eSDavid Howells NFC_ATTR_TARGET_SENSF_RES, 136607ca46eSDavid Howells NFC_ATTR_COMM_MODE, 137607ca46eSDavid Howells NFC_ATTR_RF_MODE, 138607ca46eSDavid Howells NFC_ATTR_DEVICE_POWERED, 139607ca46eSDavid Howells NFC_ATTR_IM_PROTOCOLS, 140607ca46eSDavid Howells NFC_ATTR_TM_PROTOCOLS, 14152feb444SThierry Escande NFC_ATTR_LLC_PARAM_LTO, 14252feb444SThierry Escande NFC_ATTR_LLC_PARAM_RW, 14352feb444SThierry Escande NFC_ATTR_LLC_PARAM_MIUX, 144390a1bd8SSamuel Ortiz NFC_ATTR_SE, 145*d9b8d8e1SThierry Escande NFC_ATTR_LLC_SDP, 146607ca46eSDavid Howells /* private: internal use only */ 147607ca46eSDavid Howells __NFC_ATTR_AFTER_LAST 148607ca46eSDavid Howells }; 149607ca46eSDavid Howells #define NFC_ATTR_MAX (__NFC_ATTR_AFTER_LAST - 1) 150607ca46eSDavid Howells 151*d9b8d8e1SThierry Escande enum nfc_sdp_attr { 152*d9b8d8e1SThierry Escande NFC_SDP_ATTR_UNSPEC, 153*d9b8d8e1SThierry Escande NFC_SDP_ATTR_URI, 154*d9b8d8e1SThierry Escande NFC_SDP_ATTR_SAP, 155*d9b8d8e1SThierry Escande /* private: internal use only */ 156*d9b8d8e1SThierry Escande __NFC_SDP_ATTR_AFTER_LAST 157*d9b8d8e1SThierry Escande }; 158*d9b8d8e1SThierry Escande #define NFC_SDP_ATTR_MAX (__NFC_SDP_ATTR_AFTER_LAST - 1) 159*d9b8d8e1SThierry Escande 160607ca46eSDavid Howells #define NFC_DEVICE_NAME_MAXSIZE 8 161607ca46eSDavid Howells #define NFC_NFCID1_MAXSIZE 10 162607ca46eSDavid Howells #define NFC_SENSB_RES_MAXSIZE 12 163607ca46eSDavid Howells #define NFC_SENSF_RES_MAXSIZE 18 164607ca46eSDavid Howells #define NFC_GB_MAXSIZE 48 165607ca46eSDavid Howells 166607ca46eSDavid Howells /* NFC protocols */ 167607ca46eSDavid Howells #define NFC_PROTO_JEWEL 1 168607ca46eSDavid Howells #define NFC_PROTO_MIFARE 2 169607ca46eSDavid Howells #define NFC_PROTO_FELICA 3 170607ca46eSDavid Howells #define NFC_PROTO_ISO14443 4 171607ca46eSDavid Howells #define NFC_PROTO_NFC_DEP 5 172607ca46eSDavid Howells #define NFC_PROTO_ISO14443_B 6 173607ca46eSDavid Howells 174607ca46eSDavid Howells #define NFC_PROTO_MAX 7 175607ca46eSDavid Howells 176607ca46eSDavid Howells /* NFC communication modes */ 177607ca46eSDavid Howells #define NFC_COMM_ACTIVE 0 178607ca46eSDavid Howells #define NFC_COMM_PASSIVE 1 179607ca46eSDavid Howells 180607ca46eSDavid Howells /* NFC RF modes */ 181607ca46eSDavid Howells #define NFC_RF_INITIATOR 0 182607ca46eSDavid Howells #define NFC_RF_TARGET 1 183607ca46eSDavid Howells #define NFC_RF_NONE 2 184607ca46eSDavid Howells 185607ca46eSDavid Howells /* NFC protocols masks used in bitsets */ 186607ca46eSDavid Howells #define NFC_PROTO_JEWEL_MASK (1 << NFC_PROTO_JEWEL) 187607ca46eSDavid Howells #define NFC_PROTO_MIFARE_MASK (1 << NFC_PROTO_MIFARE) 188607ca46eSDavid Howells #define NFC_PROTO_FELICA_MASK (1 << NFC_PROTO_FELICA) 189607ca46eSDavid Howells #define NFC_PROTO_ISO14443_MASK (1 << NFC_PROTO_ISO14443) 190607ca46eSDavid Howells #define NFC_PROTO_NFC_DEP_MASK (1 << NFC_PROTO_NFC_DEP) 191607ca46eSDavid Howells #define NFC_PROTO_ISO14443_B_MASK (1 << NFC_PROTO_ISO14443_B) 192607ca46eSDavid Howells 193390a1bd8SSamuel Ortiz /* NFC Secure Elements */ 194390a1bd8SSamuel Ortiz #define NFC_SE_NONE 0x0 195390a1bd8SSamuel Ortiz #define NFC_SE_UICC 0x1 196390a1bd8SSamuel Ortiz #define NFC_SE_EMBEDDED 0x2 197390a1bd8SSamuel Ortiz 198607ca46eSDavid Howells struct sockaddr_nfc { 199607ca46eSDavid Howells sa_family_t sa_family; 200607ca46eSDavid Howells __u32 dev_idx; 201607ca46eSDavid Howells __u32 target_idx; 202607ca46eSDavid Howells __u32 nfc_protocol; 203607ca46eSDavid Howells }; 204607ca46eSDavid Howells 205607ca46eSDavid Howells #define NFC_LLCP_MAX_SERVICE_NAME 63 206607ca46eSDavid Howells struct sockaddr_nfc_llcp { 207607ca46eSDavid Howells sa_family_t sa_family; 208607ca46eSDavid Howells __u32 dev_idx; 209607ca46eSDavid Howells __u32 target_idx; 210607ca46eSDavid Howells __u32 nfc_protocol; 211607ca46eSDavid Howells __u8 dsap; /* Destination SAP, if known */ 212607ca46eSDavid Howells __u8 ssap; /* Source SAP to be bound to */ 213607ca46eSDavid Howells char service_name[NFC_LLCP_MAX_SERVICE_NAME]; /* Service name URI */; 214607ca46eSDavid Howells size_t service_name_len; 215607ca46eSDavid Howells }; 216607ca46eSDavid Howells 217607ca46eSDavid Howells /* NFC socket protocols */ 218607ca46eSDavid Howells #define NFC_SOCKPROTO_RAW 0 219607ca46eSDavid Howells #define NFC_SOCKPROTO_LLCP 1 220607ca46eSDavid Howells #define NFC_SOCKPROTO_MAX 2 221607ca46eSDavid Howells 222607ca46eSDavid Howells #define NFC_HEADER_SIZE 1 223607ca46eSDavid Howells 224607ca46eSDavid Howells /** 225607ca46eSDavid Howells * Pseudo-header info for raw socket packets 226607ca46eSDavid Howells * First byte is the adapter index 227607ca46eSDavid Howells * Second byte contains flags 228607ca46eSDavid Howells * - 0x01 - Direction (0=RX, 1=TX) 229607ca46eSDavid Howells * - 0x02-0x80 - Reserved 230607ca46eSDavid Howells **/ 231607ca46eSDavid Howells #define NFC_LLCP_RAW_HEADER_SIZE 2 232607ca46eSDavid Howells #define NFC_LLCP_DIRECTION_RX 0x00 233607ca46eSDavid Howells #define NFC_LLCP_DIRECTION_TX 0x01 234607ca46eSDavid Howells 23526fd76caSSamuel Ortiz /* socket option names */ 23626fd76caSSamuel Ortiz #define NFC_LLCP_RW 0 23726fd76caSSamuel Ortiz #define NFC_LLCP_MIUX 1 23826fd76caSSamuel Ortiz 239607ca46eSDavid Howells #endif /*__LINUX_NFC_H */ 240