162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-only */ 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * NCI based Driver for STMicroelectronics NFC Chip 462306a36Sopenharmony_ci * 562306a36Sopenharmony_ci * Copyright (C) 2014-2015 STMicroelectronics SAS. All rights reserved. 662306a36Sopenharmony_ci */ 762306a36Sopenharmony_ci 862306a36Sopenharmony_ci#ifndef __LOCAL_NDLC_H_ 962306a36Sopenharmony_ci#define __LOCAL_NDLC_H_ 1062306a36Sopenharmony_ci 1162306a36Sopenharmony_ci#include <linux/skbuff.h> 1262306a36Sopenharmony_ci#include <net/nfc/nfc.h> 1362306a36Sopenharmony_ci 1462306a36Sopenharmony_cistruct st_nci_se_status; 1562306a36Sopenharmony_ci 1662306a36Sopenharmony_ci/* Low Level Transport description */ 1762306a36Sopenharmony_cistruct llt_ndlc { 1862306a36Sopenharmony_ci struct nci_dev *ndev; 1962306a36Sopenharmony_ci const struct nfc_phy_ops *ops; 2062306a36Sopenharmony_ci void *phy_id; 2162306a36Sopenharmony_ci 2262306a36Sopenharmony_ci struct timer_list t1_timer; 2362306a36Sopenharmony_ci bool t1_active; 2462306a36Sopenharmony_ci 2562306a36Sopenharmony_ci struct timer_list t2_timer; 2662306a36Sopenharmony_ci bool t2_active; 2762306a36Sopenharmony_ci 2862306a36Sopenharmony_ci struct sk_buff_head rcv_q; 2962306a36Sopenharmony_ci struct sk_buff_head send_q; 3062306a36Sopenharmony_ci struct sk_buff_head ack_pending_q; 3162306a36Sopenharmony_ci 3262306a36Sopenharmony_ci struct work_struct sm_work; 3362306a36Sopenharmony_ci 3462306a36Sopenharmony_ci struct device *dev; 3562306a36Sopenharmony_ci 3662306a36Sopenharmony_ci /* 3762306a36Sopenharmony_ci * < 0 if hardware error occurred 3862306a36Sopenharmony_ci * and prevents normal operation. 3962306a36Sopenharmony_ci */ 4062306a36Sopenharmony_ci int hard_fault; 4162306a36Sopenharmony_ci int powered; 4262306a36Sopenharmony_ci}; 4362306a36Sopenharmony_ci 4462306a36Sopenharmony_ciint ndlc_open(struct llt_ndlc *ndlc); 4562306a36Sopenharmony_civoid ndlc_close(struct llt_ndlc *ndlc); 4662306a36Sopenharmony_ciint ndlc_send(struct llt_ndlc *ndlc, struct sk_buff *skb); 4762306a36Sopenharmony_civoid ndlc_recv(struct llt_ndlc *ndlc, struct sk_buff *skb); 4862306a36Sopenharmony_ciint ndlc_probe(void *phy_id, const struct nfc_phy_ops *phy_ops, 4962306a36Sopenharmony_ci struct device *dev, int phy_headroom, int phy_tailroom, 5062306a36Sopenharmony_ci struct llt_ndlc **ndlc_id, struct st_nci_se_status *se_status); 5162306a36Sopenharmony_civoid ndlc_remove(struct llt_ndlc *ndlc); 5262306a36Sopenharmony_ci#endif /* __LOCAL_NDLC_H__ */ 53