127 lines
3.4 KiB
C
127 lines
3.4 KiB
C
/*
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* Copyright (C) 2012 Intel Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __LOCAL_HCI_H
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#define __LOCAL_HCI_H
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#include <net/nfc/hci.h>
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struct gate_pipe_map {
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u8 gate;
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u8 pipe;
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};
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struct hcp_message {
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u8 header; /* type -cmd,evt,rsp- + instruction */
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u8 data[];
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} __packed;
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struct hcp_packet {
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u8 header; /* cbit+pipe */
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struct hcp_message message;
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} __packed;
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struct hcp_exec_waiter {
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wait_queue_head_t *wq;
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bool exec_complete;
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int exec_result;
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struct sk_buff *result_skb;
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};
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struct hci_msg {
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struct list_head msg_l;
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struct sk_buff_head msg_frags;
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bool wait_response;
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data_exchange_cb_t cb;
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void *cb_context;
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unsigned long completion_delay;
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};
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struct hci_create_pipe_params {
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u8 src_gate;
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u8 dest_host;
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u8 dest_gate;
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} __packed;
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struct hci_create_pipe_resp {
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u8 src_host;
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u8 src_gate;
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u8 dest_host;
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u8 dest_gate;
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u8 pipe;
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} __packed;
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#define NFC_HCI_FRAGMENT 0x7f
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#define HCP_HEADER(type, instr) ((((type) & 0x03) << 6) | ((instr) & 0x3f))
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#define HCP_MSG_GET_TYPE(header) ((header & 0xc0) >> 6)
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#define HCP_MSG_GET_CMD(header) (header & 0x3f)
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int nfc_hci_hcp_message_tx(struct nfc_hci_dev *hdev, u8 pipe,
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u8 type, u8 instruction,
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const u8 *payload, size_t payload_len,
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data_exchange_cb_t cb, void *cb_context,
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unsigned long completion_delay);
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u8 nfc_hci_pipe2gate(struct nfc_hci_dev *hdev, u8 pipe);
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void nfc_hci_hcp_message_rx(struct nfc_hci_dev *hdev, u8 pipe, u8 type,
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u8 instruction, struct sk_buff *skb);
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/* HCP headers */
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#define NFC_HCI_HCP_PACKET_HEADER_LEN 1
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#define NFC_HCI_HCP_MESSAGE_HEADER_LEN 1
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#define NFC_HCI_HCP_HEADER_LEN 2
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/* HCP types */
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#define NFC_HCI_HCP_COMMAND 0x00
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#define NFC_HCI_HCP_EVENT 0x01
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#define NFC_HCI_HCP_RESPONSE 0x02
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/* Generic commands */
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#define NFC_HCI_ANY_SET_PARAMETER 0x01
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#define NFC_HCI_ANY_GET_PARAMETER 0x02
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#define NFC_HCI_ANY_OPEN_PIPE 0x03
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#define NFC_HCI_ANY_CLOSE_PIPE 0x04
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/* Reader RF commands */
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#define NFC_HCI_WR_XCHG_DATA 0x10
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/* Admin commands */
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#define NFC_HCI_ADM_CREATE_PIPE 0x10
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#define NFC_HCI_ADM_DELETE_PIPE 0x11
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#define NFC_HCI_ADM_NOTIFY_PIPE_CREATED 0x12
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#define NFC_HCI_ADM_NOTIFY_PIPE_DELETED 0x13
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#define NFC_HCI_ADM_CLEAR_ALL_PIPE 0x14
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#define NFC_HCI_ADM_NOTIFY_ALL_PIPE_CLEARED 0x15
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/* Generic responses */
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#define NFC_HCI_ANY_OK 0x00
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#define NFC_HCI_ANY_E_NOT_CONNECTED 0x01
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#define NFC_HCI_ANY_E_CMD_PAR_UNKNOWN 0x02
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#define NFC_HCI_ANY_E_NOK 0x03
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#define NFC_HCI_ANY_E_PIPES_FULL 0x04
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#define NFC_HCI_ANY_E_REG_PAR_UNKNOWN 0x05
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#define NFC_HCI_ANY_E_PIPE_NOT_OPENED 0x06
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#define NFC_HCI_ANY_E_CMD_NOT_SUPPORTED 0x07
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#define NFC_HCI_ANY_E_INHIBITED 0x08
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#define NFC_HCI_ANY_E_TIMEOUT 0x09
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#define NFC_HCI_ANY_E_REG_ACCESS_DENIED 0x0a
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#define NFC_HCI_ANY_E_PIPE_ACCESS_DENIED 0x0b
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#endif /* __LOCAL_HCI_H */
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