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* NCI based Driver for STMicroelectronics NFC Chip
* Copyright (C) 2014-2015 STMicroelectronics SAS. All rights reserved.
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <>.
#ifndef __LOCAL_NDLC_H_
#define __LOCAL_NDLC_H_
#include <linux/skbuff.h>
#include <net/nfc/nfc.h>
struct st_nci_se_status;
/* Low Level Transport description */
struct llt_ndlc {
struct nci_dev *ndev;
struct nfc_phy_ops *ops;
void *phy_id;
struct timer_list t1_timer;
bool t1_active;
struct timer_list t2_timer;
bool t2_active;
struct sk_buff_head rcv_q;
struct sk_buff_head send_q;
struct sk_buff_head ack_pending_q;
struct work_struct sm_work;
struct device *dev;
* < 0 if hardware error occurred
* and prevents normal operation.
int hard_fault;
int powered;
int ndlc_open(struct llt_ndlc *ndlc);
void ndlc_close(struct llt_ndlc *ndlc);
int ndlc_send(struct llt_ndlc *ndlc, struct sk_buff *skb);
void ndlc_recv(struct llt_ndlc *ndlc, struct sk_buff *skb);
int ndlc_probe(void *phy_id, struct nfc_phy_ops *phy_ops, struct device *dev,
int phy_headroom, int phy_tailroom, struct llt_ndlc **ndlc_id,
struct st_nci_se_status *se_status);
void ndlc_remove(struct llt_ndlc *ndlc);
#endif /* __LOCAL_NDLC_H__ */