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/* SPDX-License-Identifier: GPL-2.0-only / / * The NFC Controller Interface is the communication protocol between an * NFC Controller (NFCC) and a Device Host (DH). * * Copyright (C) 2014 Marvell International Ltd. * Copyright (C) 2011 Texas Instruments, Inc. * * Written by Ilan Elias <ilane@ti.com> * * Acknowledgements: * This file is based on hci.h, which was written * by Maxim Krasnyansky. / #ifndef __NCI_H #define __NCI_H #include <net/nfc/nfc.h> / NCI constants / #define NCI_MAX_NUM_MAPPING_CONFIGS 10 #define NCI_MAX_NUM_RF_CONFIGS 10 #define NCI_MAX_NUM_CONN 10 #define NCI_MAX_PARAM_LEN 251 #define NCI_MAX_PAYLOAD_SIZE 255 #define NCI_MAX_PACKET_SIZE 258 / NCI Status Codes / #define NCI_STATUS_OK 0x00 #define NCI_STATUS_REJECTED 0x01 #define NCI_STATUS_RF_FRAME_CORRUPTED 0x02 #define NCI_STATUS_FAILED 0x03 #define NCI_STATUS_NOT_INITIALIZED 0x04 #define NCI_STATUS_SYNTAX_ERROR 0x05 #define NCI_STATUS_SEMANTIC_ERROR 0x06 #define NCI_STATUS_UNKNOWN_GID 0x07 #define NCI_STATUS_UNKNOWN_OID 0x08 #define NCI_STATUS_INVALID_PARAM 0x09 #define NCI_STATUS_MESSAGE_SIZE_EXCEEDED 0x0a / Discovery Specific Status Codes / #define NCI_STATUS_DISCOVERY_ALREADY_STARTED 0xa0 #define NCI_STATUS_DISCOVERY_TARGET_ACTIVATION_FAILED 0xa1 #define NCI_STATUS_DISCOVERY_TEAR_DOWN 0xa2 / RF Interface Specific Status Codes / #define NCI_STATUS_RF_TRANSMISSION_ERROR 0xb0 #define NCI_STATUS_RF_PROTOCOL_ERROR 0xb1 #define NCI_STATUS_RF_TIMEOUT_ERROR 0xb2 / NFCEE Interface Specific Status Codes / #define NCI_STATUS_NFCEE_INTERFACE_ACTIVATION_FAILED 0xc0 #define NCI_STATUS_NFCEE_TRANSMISSION_ERROR 0xc1 #define NCI_STATUS_NFCEE_PROTOCOL_ERROR 0xc2 #define NCI_STATUS_NFCEE_TIMEOUT_ERROR 0xc3 / NFCEE Interface/Protocols / #define NCI_NFCEE_INTERFACE_APDU 0x00 #define NCI_NFCEE_INTERFACE_HCI_ACCESS 0x01 #define NCI_NFCEE_INTERFACE_TYPE3_CMD_SET 0x02 #define NCI_NFCEE_INTERFACE_TRANSPARENT 0x03 / Destination type / #define NCI_DESTINATION_NFCC_LOOPBACK 0x01 #define NCI_DESTINATION_REMOTE_NFC_ENDPOINT 0x02 #define NCI_DESTINATION_NFCEE 0x03 / Destination-specific parameters type / #define NCI_DESTINATION_SPECIFIC_PARAM_RF_TYPE 0x00 #define NCI_DESTINATION_SPECIFIC_PARAM_NFCEE_TYPE 0x01 / NFCEE Discovery Action / #define NCI_NFCEE_DISCOVERY_ACTION_DISABLE 0x00 #define NCI_NFCEE_DISCOVERY_ACTION_ENABLE 0x01 / NCI RF Technology and Mode / #define NCI_NFC_A_PASSIVE_POLL_MODE 0x00 #define NCI_NFC_B_PASSIVE_POLL_MODE 0x01 #define NCI_NFC_F_PASSIVE_POLL_MODE 0x02 #define NCI_NFC_A_ACTIVE_POLL_MODE 0x03 #define NCI_NFC_F_ACTIVE_POLL_MODE 0x05 #define NCI_NFC_V_PASSIVE_POLL_MODE 0x06 #define NCI_NFC_A_PASSIVE_LISTEN_MODE 0x80 #define NCI_NFC_B_PASSIVE_LISTEN_MODE 0x81 #define NCI_NFC_F_PASSIVE_LISTEN_MODE 0x82 #define NCI_NFC_A_ACTIVE_LISTEN_MODE 0x83 #define NCI_NFC_F_ACTIVE_LISTEN_MODE 0x85 #define NCI_RF_TECH_MODE_LISTEN_MASK 0x80 / NCI RF Technologies / #define NCI_NFC_RF_TECHNOLOGY_A 0x00 #define NCI_NFC_RF_TECHNOLOGY_B 0x01 #define NCI_NFC_RF_TECHNOLOGY_F 0x02 #define NCI_NFC_RF_TECHNOLOGY_V 0x03 / NCI Bit Rates / #define NCI_NFC_BIT_RATE_106 0x00 #define NCI_NFC_BIT_RATE_212 0x01 #define NCI_NFC_BIT_RATE_424 0x02 #define NCI_NFC_BIT_RATE_848 0x03 #define NCI_NFC_BIT_RATE_1695 0x04 #define NCI_NFC_BIT_RATE_3390 0x05 #define NCI_NFC_BIT_RATE_6780 0x06 #define NCI_NFC_BIT_RATE_26 0x20 / NCI RF Protocols / #define NCI_RF_PROTOCOL_UNKNOWN 0x00 #define NCI_RF_PROTOCOL_T1T 0x01 #define NCI_RF_PROTOCOL_T2T 0x02 #define NCI_RF_PROTOCOL_T3T 0x03 #define NCI_RF_PROTOCOL_ISO_DEP 0x04 #define NCI_RF_PROTOCOL_NFC_DEP 0x05 #define NCI_RF_PROTOCOL_T5T 0x06 / NCI RF Interfaces / #define NCI_RF_INTERFACE_NFCEE_DIRECT 0x00 #define NCI_RF_INTERFACE_FRAME 0x01 #define NCI_RF_INTERFACE_ISO_DEP 0x02 #define NCI_RF_INTERFACE_NFC_DEP 0x03 / NCI Configuration Parameter Tags / #define NCI_PN_ATR_REQ_GEN_BYTES 0x29 #define NCI_LN_ATR_RES_GEN_BYTES 0x61 #define NCI_LA_SEL_INFO 0x32 #define NCI_LF_PROTOCOL_TYPE 0x50 #define NCI_LF_CON_BITR_F 0x54 / NCI Configuration Parameters masks / #define NCI_LA_SEL_INFO_ISO_DEP_MASK 0x20 #define NCI_LA_SEL_INFO_NFC_DEP_MASK 0x40 #define NCI_LF_PROTOCOL_TYPE_NFC_DEP_MASK 0x02 #define NCI_LF_CON_BITR_F_212 0x02 #define NCI_LF_CON_BITR_F_424 0x04 / NCI Reset types / #define NCI_RESET_TYPE_KEEP_CONFIG 0x00 #define NCI_RESET_TYPE_RESET_CONFIG 0x01 / NCI Static RF connection ID / #define NCI_STATIC_RF_CONN_ID 0x00 / NCI Data Flow Control / #define NCI_DATA_FLOW_CONTROL_NOT_USED 0xff / NCI RF_DISCOVER_MAP_CMD modes / #define NCI_DISC_MAP_MODE_POLL 0x01 #define NCI_DISC_MAP_MODE_LISTEN 0x02 / NCI Discover Notification Type / #define NCI_DISCOVER_NTF_TYPE_LAST 0x00 #define NCI_DISCOVER_NTF_TYPE_LAST_NFCC 0x01 #define NCI_DISCOVER_NTF_TYPE_MORE 0x02 / NCI Deactivation Type / #define NCI_DEACTIVATE_TYPE_IDLE_MODE 0x00 #define NCI_DEACTIVATE_TYPE_SLEEP_MODE 0x01 #define NCI_DEACTIVATE_TYPE_SLEEP_AF_MODE 0x02 #define NCI_DEACTIVATE_TYPE_DISCOVERY 0x03 / Message Type (MT) / #define NCI_MT_DATA_PKT 0x00 #define NCI_MT_CMD_PKT 0x01 #define NCI_MT_RSP_PKT 0x02 #define NCI_MT_NTF_PKT 0x03 #define nci_mt(hdr) (((hdr)[0]>>5)&0x07) #define nci_mt_set(hdr, mt) ((hdr)[0] \|= (__u8)(((mt)&0x07)<<5)) / Packet Boundary Flag (PBF) / #define NCI_PBF_LAST 0x00 #define NCI_PBF_CONT 0x01 #define nci_pbf(hdr) (__u8)(((hdr)[0]>>4)&0x01) #define nci_pbf_set(hdr, pbf) ((hdr)[0] \|= (__u8)(((pbf)&0x01)<<4)) / Control Opcode manipulation / #define nci_opcode_pack(gid, oid) (__u16)((((__u16)((gid)&0x0f))<<8)\|\ ((__u16)((oid)&0x3f))) #define nci_opcode(hdr) nci_opcode_pack(hdr[0], hdr[1]) #define nci_opcode_gid(op) (__u8)(((op)&0x0f00)>>8) #define nci_opcode_oid(op) (__u8)((op)&0x003f) / Payload Length / #define nci_plen(hdr) (__u8)((hdr)[2]) / Connection ID / #define nci_conn_id(hdr) (__u8)(((hdr)[0])&0x0f) / GID values / #define NCI_GID_CORE 0x0 #define NCI_GID_RF_MGMT 0x1 #define NCI_GID_NFCEE_MGMT 0x2 #define NCI_GID_PROPRIETARY 0xf / ----- NCI over SPI head/crc(tail) room needed for outgoing frames ----- / #define NCI_SPI_HDR_LEN 4 #define NCI_SPI_CRC_LEN 2 / ---- NCI Packet structures ---- / #define NCI_CTRL_HDR_SIZE 3 #define NCI_DATA_HDR_SIZE 3 struct nci_ctrl_hdr { __u8 gid; / MT & PBF & GID / __u8 oid; __u8 plen; } __packed; struct nci_data_hdr { __u8 conn_id; / MT & PBF & ConnID / __u8 rfu; __u8 plen; } __packed; / ------------------------ / / ----- NCI Commands ---- / / ------------------------ / #define NCI_OP_CORE_RESET_CMD nci_opcode_pack(NCI_GID_CORE, 0x00) struct nci_core_reset_cmd { __u8 reset_type; } __packed; #define NCI_OP_CORE_INIT_CMD nci_opcode_pack(NCI_GID_CORE, 0x01) #define NCI_OP_CORE_SET_CONFIG_CMD nci_opcode_pack(NCI_GID_CORE, 0x02) struct set_config_param { __u8 id; __u8 len; __u8 val[NCI_MAX_PARAM_LEN]; } __packed; struct nci_core_set_config_cmd { __u8 num_params; struct set_config_param param; / support 1 param per cmd is enough / } __packed; #define NCI_OP_CORE_CONN_CREATE_CMD nci_opcode_pack(NCI_GID_CORE, 0x04) #define DEST_SPEC_PARAMS_ID_INDEX 0 #define DEST_SPEC_PARAMS_PROTOCOL_INDEX 1 struct dest_spec_params { __u8 id; __u8 protocol; } __packed; struct core_conn_create_dest_spec_params { __u8 type; __u8 length; __u8 value[0]; } __packed; struct nci_core_conn_create_cmd { __u8 destination_type; __u8 number_destination_params; struct core_conn_create_dest_spec_params params[0]; } __packed; #define NCI_OP_CORE_CONN_CLOSE_CMD nci_opcode_pack(NCI_GID_CORE, 0x05) #define NCI_OP_RF_DISCOVER_MAP_CMD nci_opcode_pack(NCI_GID_RF_MGMT, 0x00) struct disc_map_config { __u8 rf_protocol; __u8 mode; __u8 rf_interface; } __packed; struct nci_rf_disc_map_cmd { __u8 num_mapping_configs; struct disc_map_config mapping_configs [NCI_MAX_NUM_MAPPING_CONFIGS]; } __packed; #define NCI_OP_RF_DISCOVER_CMD nci_opcode_pack(NCI_GID_RF_MGMT, 0x03) struct disc_config { __u8 rf_tech_and_mode; __u8 frequency; } __packed; struct nci_rf_disc_cmd { __u8 num_disc_configs; struct disc_config disc_configs[NCI_MAX_NUM_RF_CONFIGS]; } __packed; #define NCI_OP_RF_DISCOVER_SELECT_CMD nci_opcode_pack(NCI_GID_RF_MGMT, 0x04) struct nci_rf_discover_select_cmd { __u8 rf_discovery_id; __u8 rf_protocol; __u8 rf_interface; } __packed; #define NCI_OP_RF_DEACTIVATE_CMD nci_opcode_pack(NCI_GID_RF_MGMT, 0x06) struct nci_rf_deactivate_cmd { __u8 type; } __packed; #define NCI_OP_NFCEE_DISCOVER_CMD nci_opcode_pack(NCI_GID_NFCEE_MGMT, 0x00) struct nci_nfcee_discover_cmd { __u8 discovery_action; } __packed; #define NCI_OP_NFCEE_MODE_SET_CMD nci_opcode_pack(NCI_GID_NFCEE_MGMT, 0x01) #define NCI_NFCEE_DISABLE 0x00 #define NCI_NFCEE_ENABLE 0x01 struct nci_nfcee_mode_set_cmd { __u8 nfcee_id; __u8 nfcee_mode; } __packed; #define NCI_OP_CORE_GET_CONFIG_CMD nci_opcode_pack(NCI_GID_CORE, 0x03) / ----------------------- / / ---- NCI Responses ---- / / ----------------------- / #define NCI_OP_CORE_RESET_RSP nci_opcode_pack(NCI_GID_CORE, 0x00) struct nci_core_reset_rsp { __u8 status; __u8 nci_ver; __u8 config_status; } __packed; #define NCI_OP_CORE_INIT_RSP nci_opcode_pack(NCI_GID_CORE, 0x01) struct nci_core_init_rsp_1 { __u8 status; __le32 nfcc_features; __u8 num_supported_rf_interfaces; __u8 supported_rf_interfaces[0]; / variable size array / / continuted in nci_core_init_rsp_2 / } __packed; struct nci_core_init_rsp_2 { __u8 max_logical_connections; __le16 max_routing_table_size; __u8 max_ctrl_pkt_payload_len; __le16 max_size_for_large_params; __u8 manufact_id; __le32 manufact_specific_info; } __packed; #define NCI_OP_CORE_SET_CONFIG_RSP nci_opcode_pack(NCI_GID_CORE, 0x02) struct nci_core_set_config_rsp { __u8 status; __u8 num_params; __u8 params_id[0]; / variable size array / } __packed; #define NCI_OP_CORE_CONN_CREATE_RSP nci_opcode_pack(NCI_GID_CORE, 0x04) struct nci_core_conn_create_rsp { __u8 status; __u8 max_ctrl_pkt_payload_len; __u8 credits_cnt; __u8 conn_id; } __packed; #define NCI_OP_CORE_CONN_CLOSE_RSP nci_opcode_pack(NCI_GID_CORE, 0x05) #define NCI_OP_RF_DISCOVER_MAP_RSP nci_opcode_pack(NCI_GID_RF_MGMT, 0x00) #define NCI_OP_RF_DISCOVER_RSP nci_opcode_pack(NCI_GID_RF_MGMT, 0x03) #define NCI_OP_RF_DISCOVER_SELECT_RSP nci_opcode_pack(NCI_GID_RF_MGMT, 0x04) #define NCI_OP_RF_DEACTIVATE_RSP nci_opcode_pack(NCI_GID_RF_MGMT, 0x06) #define NCI_OP_NFCEE_DISCOVER_RSP nci_opcode_pack(NCI_GID_NFCEE_MGMT, 0x00) struct nci_nfcee_discover_rsp { __u8 status; __u8 num_nfcee; } __packed; #define NCI_OP_NFCEE_MODE_SET_RSP nci_opcode_pack(NCI_GID_NFCEE_MGMT, 0x01) #define NCI_OP_CORE_GET_CONFIG_RSP nci_opcode_pack(NCI_GID_CORE, 0x03) / --------------------------- / / ---- NCI Notifications ---- / / --------------------------- / #define NCI_OP_CORE_CONN_CREDITS_NTF nci_opcode_pack(NCI_GID_CORE, 0x06) struct conn_credit_entry { __u8 conn_id; __u8 credits; } __packed; struct nci_core_conn_credit_ntf { __u8 num_entries; struct conn_credit_entry conn_entries[NCI_MAX_NUM_CONN]; } __packed; #define NCI_OP_CORE_GENERIC_ERROR_NTF nci_opcode_pack(NCI_GID_CORE, 0x07) #define NCI_OP_CORE_INTF_ERROR_NTF nci_opcode_pack(NCI_GID_CORE, 0x08) struct nci_core_intf_error_ntf { __u8 status; __u8 conn_id; } __packed; #define NCI_OP_RF_DISCOVER_NTF nci_opcode_pack(NCI_GID_RF_MGMT, 0x03) struct rf_tech_specific_params_nfca_poll { __u16 sens_res; __u8 nfcid1_len; / 0, 4, 7, or 10 Bytes / __u8 nfcid1[NFC_NFCID1_MAXSIZE]; __u8 sel_res_len; / 0 or 1 Bytes / __u8 sel_res; } __packed; struct rf_tech_specific_params_nfcb_poll { __u8 sensb_res_len; __u8 sensb_res[NFC_SENSB_RES_MAXSIZE]; / 11 or 12 Bytes / } __packed; struct rf_tech_specific_params_nfcf_poll { __u8 bit_rate; __u8 sensf_res_len; __u8 sensf_res[NFC_SENSF_RES_MAXSIZE]; / 16 or 18 Bytes / } __packed; struct rf_tech_specific_params_nfcv_poll { __u8 res_flags; __u8 dsfid; __u8 uid[NFC_ISO15693_UID_MAXSIZE]; / 8 Bytes / } __packed; struct rf_tech_specific_params_nfcf_listen { __u8 local_nfcid2_len; __u8 local_nfcid2[NFC_NFCID2_MAXSIZE]; / 0 or 8 Bytes / } __packed; struct nci_rf_discover_ntf { __u8 rf_discovery_id; __u8 rf_protocol; __u8 rf_tech_and_mode; __u8 rf_tech_specific_params_len; union { struct rf_tech_specific_params_nfca_poll nfca_poll; struct rf_tech_specific_params_nfcb_poll nfcb_poll; struct rf_tech_specific_params_nfcf_poll nfcf_poll; struct rf_tech_specific_params_nfcv_poll nfcv_poll; } rf_tech_specific_params; __u8 ntf_type; } __packed; #define NCI_OP_RF_INTF_ACTIVATED_NTF nci_opcode_pack(NCI_GID_RF_MGMT, 0x05) struct activation_params_nfca_poll_iso_dep { __u8 rats_res_len; __u8 rats_res[20]; }; struct activation_params_nfcb_poll_iso_dep { __u8 attrib_res_len; __u8 attrib_res[50]; }; struct activation_params_poll_nfc_dep { __u8 atr_res_len; __u8 atr_res[NFC_ATR_RES_MAXSIZE - 2]; / ATR_RES from byte 3 / }; struct activation_params_listen_nfc_dep { __u8 atr_req_len; __u8 atr_req[NFC_ATR_REQ_MAXSIZE - 2]; / ATR_REQ from byte 3 / }; struct nci_rf_intf_activated_ntf { __u8 rf_discovery_id; __u8 rf_interface; __u8 rf_protocol; __u8 activation_rf_tech_and_mode; __u8 max_data_pkt_payload_size; __u8 initial_num_credits; __u8 rf_tech_specific_params_len; union { struct rf_tech_specific_params_nfca_poll nfca_poll; struct rf_tech_specific_params_nfcb_poll nfcb_poll; struct rf_tech_specific_params_nfcf_poll nfcf_poll; struct rf_tech_specific_params_nfcv_poll nfcv_poll; struct rf_tech_specific_params_nfcf_listen nfcf_listen; } rf_tech_specific_params; __u8 data_exch_rf_tech_and_mode; __u8 data_exch_tx_bit_rate; __u8 data_exch_rx_bit_rate; __u8 activation_params_len; union { struct activation_params_nfca_poll_iso_dep nfca_poll_iso_dep; struct activation_params_nfcb_poll_iso_dep nfcb_poll_iso_dep; struct activation_params_poll_nfc_dep poll_nfc_dep; struct activation_params_listen_nfc_dep listen_nfc_dep; } activation_params; } __packed; #define NCI_OP_RF_DEACTIVATE_NTF nci_opcode_pack(NCI_GID_RF_MGMT, 0x06) struct nci_rf_deactivate_ntf { __u8 type; __u8 reason; } __packed; #define NCI_OP_RF_NFCEE_ACTION_NTF nci_opcode_pack(NCI_GID_RF_MGMT, 0x09) struct nci_rf_nfcee_action_ntf { __u8 nfcee_id; __u8 trigger; __u8 supported_data_length; __u8 supported_data[0]; } __packed; #define NCI_OP_NFCEE_DISCOVER_NTF nci_opcode_pack(NCI_GID_NFCEE_MGMT, 0x00) struct nci_nfcee_supported_protocol { __u8 num_protocol; __u8 supported_protocol[0]; } __packed; struct nci_nfcee_information_tlv { __u8 num_tlv; __u8 information_tlv[0]; } __packed; struct nci_nfcee_discover_ntf { __u8 nfcee_id; __u8 nfcee_status; struct nci_nfcee_supported_protocol supported_protocols; struct nci_nfcee_information_tlv information_tlv; } __packed; #define NCI_OP_CORE_RESET_NTF nci_opcode_pack(NCI_GID_CORE, 0x00) #endif / __NCI_H */

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