mirror of
https://github.com/szehl/ath9k-hmac.git
synced 2024-12-25 16:31:19 +00:00
262 lines
7.9 KiB
C
262 lines
7.9 KiB
C
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/*
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* Copyright (C) 2011 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, write to the
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* Free Software Foundation, Inc.,
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef __NET_HCI_H
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#define __NET_HCI_H
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#include <linux/skbuff.h>
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#include <net/nfc/nfc.h>
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struct nfc_phy_ops {
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int (*write)(void *dev_id, struct sk_buff *skb);
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int (*enable)(void *dev_id);
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void (*disable)(void *dev_id);
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};
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struct nfc_hci_dev;
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struct nfc_hci_ops {
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int (*open) (struct nfc_hci_dev *hdev);
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void (*close) (struct nfc_hci_dev *hdev);
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int (*hci_ready) (struct nfc_hci_dev *hdev);
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/*
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* xmit must always send the complete buffer before
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* returning. Returned result must be 0 for success
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* or negative for failure.
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*/
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int (*xmit) (struct nfc_hci_dev *hdev, struct sk_buff *skb);
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int (*start_poll) (struct nfc_hci_dev *hdev,
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u32 im_protocols, u32 tm_protocols);
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int (*dep_link_up)(struct nfc_hci_dev *hdev, struct nfc_target *target,
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u8 comm_mode, u8 *gb, size_t gb_len);
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int (*dep_link_down)(struct nfc_hci_dev *hdev);
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int (*target_from_gate) (struct nfc_hci_dev *hdev, u8 gate,
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struct nfc_target *target);
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int (*complete_target_discovered) (struct nfc_hci_dev *hdev, u8 gate,
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struct nfc_target *target);
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int (*im_transceive) (struct nfc_hci_dev *hdev,
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struct nfc_target *target, struct sk_buff *skb,
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data_exchange_cb_t cb, void *cb_context);
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int (*tm_send)(struct nfc_hci_dev *hdev, struct sk_buff *skb);
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int (*check_presence)(struct nfc_hci_dev *hdev,
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struct nfc_target *target);
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int (*event_received)(struct nfc_hci_dev *hdev, u8 gate, u8 event,
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struct sk_buff *skb);
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int (*fw_download)(struct nfc_hci_dev *hdev, const char *firmware_name);
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int (*discover_se)(struct nfc_hci_dev *dev);
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int (*enable_se)(struct nfc_hci_dev *dev, u32 se_idx);
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int (*disable_se)(struct nfc_hci_dev *dev, u32 se_idx);
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};
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/* Pipes */
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#define NFC_HCI_INVALID_PIPE 0x80
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#define NFC_HCI_LINK_MGMT_PIPE 0x00
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#define NFC_HCI_ADMIN_PIPE 0x01
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struct nfc_hci_gate {
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u8 gate;
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u8 pipe;
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};
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#define NFC_HCI_MAX_CUSTOM_GATES 50
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struct nfc_hci_init_data {
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u8 gate_count;
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struct nfc_hci_gate gates[NFC_HCI_MAX_CUSTOM_GATES];
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char session_id[9];
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};
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typedef int (*xmit) (struct sk_buff *skb, void *cb_data);
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#define NFC_HCI_MAX_GATES 256
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/*
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* These values can be specified by a driver to indicate it requires some
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* adaptation of the HCI standard.
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*
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* NFC_HCI_QUIRK_SHORT_CLEAR - send HCI_ADM_CLEAR_ALL_PIPE cmd with no params
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*/
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enum {
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NFC_HCI_QUIRK_SHORT_CLEAR = 0,
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};
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struct nfc_hci_dev {
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struct nfc_dev *ndev;
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u32 max_data_link_payload;
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bool shutting_down;
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struct mutex msg_tx_mutex;
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struct list_head msg_tx_queue;
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struct work_struct msg_tx_work;
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struct timer_list cmd_timer;
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struct hci_msg *cmd_pending_msg;
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struct sk_buff_head rx_hcp_frags;
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struct work_struct msg_rx_work;
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struct sk_buff_head msg_rx_queue;
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struct nfc_hci_ops *ops;
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struct nfc_llc *llc;
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struct nfc_hci_init_data init_data;
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void *clientdata;
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u8 gate2pipe[NFC_HCI_MAX_GATES];
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u8 sw_romlib;
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u8 sw_patch;
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u8 sw_flashlib_major;
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u8 sw_flashlib_minor;
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u8 hw_derivative;
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u8 hw_version;
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u8 hw_mpw;
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u8 hw_software;
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u8 hw_bsid;
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int async_cb_type;
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data_exchange_cb_t async_cb;
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void *async_cb_context;
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u8 *gb;
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size_t gb_len;
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unsigned long quirks;
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};
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/* hci device allocation */
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struct nfc_hci_dev *nfc_hci_allocate_device(struct nfc_hci_ops *ops,
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struct nfc_hci_init_data *init_data,
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unsigned long quirks,
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u32 protocols,
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const char *llc_name,
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int tx_headroom,
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int tx_tailroom,
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int max_link_payload);
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void nfc_hci_free_device(struct nfc_hci_dev *hdev);
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int nfc_hci_register_device(struct nfc_hci_dev *hdev);
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void nfc_hci_unregister_device(struct nfc_hci_dev *hdev);
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void nfc_hci_set_clientdata(struct nfc_hci_dev *hdev, void *clientdata);
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void *nfc_hci_get_clientdata(struct nfc_hci_dev *hdev);
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void nfc_hci_driver_failure(struct nfc_hci_dev *hdev, int err);
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int nfc_hci_result_to_errno(u8 result);
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/* Host IDs */
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#define NFC_HCI_HOST_CONTROLLER_ID 0x00
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#define NFC_HCI_TERMINAL_HOST_ID 0x01
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#define NFC_HCI_UICC_HOST_ID 0x02
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/* Host Controller Gates and registry indexes */
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#define NFC_HCI_ADMIN_GATE 0x00
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#define NFC_HCI_ADMIN_SESSION_IDENTITY 0x01
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#define NFC_HCI_ADMIN_MAX_PIPE 0x02
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#define NFC_HCI_ADMIN_WHITELIST 0x03
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#define NFC_HCI_ADMIN_HOST_LIST 0x04
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#define NFC_HCI_LOOPBACK_GATE 0x04
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#define NFC_HCI_ID_MGMT_GATE 0x05
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#define NFC_HCI_ID_MGMT_VERSION_SW 0x01
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#define NFC_HCI_ID_MGMT_VERSION_HW 0x03
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#define NFC_HCI_ID_MGMT_VENDOR_NAME 0x04
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#define NFC_HCI_ID_MGMT_MODEL_ID 0x05
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#define NFC_HCI_ID_MGMT_HCI_VERSION 0x02
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#define NFC_HCI_ID_MGMT_GATES_LIST 0x06
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#define NFC_HCI_LINK_MGMT_GATE 0x06
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#define NFC_HCI_LINK_MGMT_REC_ERROR 0x01
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#define NFC_HCI_RF_READER_B_GATE 0x11
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#define NFC_HCI_RF_READER_B_PUPI 0x03
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#define NFC_HCI_RF_READER_B_APPLICATION_DATA 0x04
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#define NFC_HCI_RF_READER_B_AFI 0x02
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#define NFC_HCI_RF_READER_B_HIGHER_LAYER_RESPONSE 0x01
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#define NFC_HCI_RF_READER_B_HIGHER_LAYER_DATA 0x05
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#define NFC_HCI_RF_READER_A_GATE 0x13
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#define NFC_HCI_RF_READER_A_UID 0x02
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#define NFC_HCI_RF_READER_A_ATQA 0x04
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#define NFC_HCI_RF_READER_A_APPLICATION_DATA 0x05
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#define NFC_HCI_RF_READER_A_SAK 0x03
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#define NFC_HCI_RF_READER_A_FWI_SFGT 0x06
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#define NFC_HCI_RF_READER_A_DATARATE_MAX 0x01
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#define NFC_HCI_TYPE_A_SEL_PROT(x) (((x) & 0x60) >> 5)
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#define NFC_HCI_TYPE_A_SEL_PROT_MIFARE 0
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#define NFC_HCI_TYPE_A_SEL_PROT_ISO14443 1
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#define NFC_HCI_TYPE_A_SEL_PROT_DEP 2
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#define NFC_HCI_TYPE_A_SEL_PROT_ISO14443_DEP 3
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/* Generic events */
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#define NFC_HCI_EVT_HCI_END_OF_OPERATION 0x01
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#define NFC_HCI_EVT_POST_DATA 0x02
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#define NFC_HCI_EVT_HOT_PLUG 0x03
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/* Reader RF gates events */
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#define NFC_HCI_EVT_READER_REQUESTED 0x10
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#define NFC_HCI_EVT_END_OPERATION 0x11
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/* Reader Application gate events */
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#define NFC_HCI_EVT_TARGET_DISCOVERED 0x10
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/* receiving messages from lower layer */
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void nfc_hci_resp_received(struct nfc_hci_dev *hdev, u8 result,
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struct sk_buff *skb);
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void nfc_hci_cmd_received(struct nfc_hci_dev *hdev, u8 pipe, u8 cmd,
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struct sk_buff *skb);
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void nfc_hci_event_received(struct nfc_hci_dev *hdev, u8 pipe, u8 event,
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struct sk_buff *skb);
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void nfc_hci_recv_frame(struct nfc_hci_dev *hdev, struct sk_buff *skb);
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/* connecting to gates and sending hci instructions */
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int nfc_hci_connect_gate(struct nfc_hci_dev *hdev, u8 dest_host, u8 dest_gate,
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u8 pipe);
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int nfc_hci_disconnect_gate(struct nfc_hci_dev *hdev, u8 gate);
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int nfc_hci_disconnect_all_gates(struct nfc_hci_dev *hdev);
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int nfc_hci_get_param(struct nfc_hci_dev *hdev, u8 gate, u8 idx,
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struct sk_buff **skb);
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int nfc_hci_set_param(struct nfc_hci_dev *hdev, u8 gate, u8 idx,
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const u8 *param, size_t param_len);
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int nfc_hci_send_cmd(struct nfc_hci_dev *hdev, u8 gate, u8 cmd,
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const u8 *param, size_t param_len, struct sk_buff **skb);
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int nfc_hci_send_cmd_async(struct nfc_hci_dev *hdev, u8 gate, u8 cmd,
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const u8 *param, size_t param_len,
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data_exchange_cb_t cb, void *cb_context);
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int nfc_hci_send_response(struct nfc_hci_dev *hdev, u8 gate, u8 response,
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const u8 *param, size_t param_len);
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int nfc_hci_send_event(struct nfc_hci_dev *hdev, u8 gate, u8 event,
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const u8 *param, size_t param_len);
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int nfc_hci_target_discovered(struct nfc_hci_dev *hdev, u8 gate);
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u32 nfc_hci_sak_to_protocol(u8 sak);
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#endif /* __NET_HCI_H */
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