18c2ecf20Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-only */ 28c2ecf20Sopenharmony_ci/* 38c2ecf20Sopenharmony_ci * NCI based Driver for STMicroelectronics NFC Chip 48c2ecf20Sopenharmony_ci * 58c2ecf20Sopenharmony_ci * Copyright (C) 2014-2015 STMicroelectronics SAS. All rights reserved. 68c2ecf20Sopenharmony_ci */ 78c2ecf20Sopenharmony_ci 88c2ecf20Sopenharmony_ci#ifndef __LOCAL_NDLC_H_ 98c2ecf20Sopenharmony_ci#define __LOCAL_NDLC_H_ 108c2ecf20Sopenharmony_ci 118c2ecf20Sopenharmony_ci#include <linux/skbuff.h> 128c2ecf20Sopenharmony_ci#include <net/nfc/nfc.h> 138c2ecf20Sopenharmony_ci 148c2ecf20Sopenharmony_cistruct st_nci_se_status; 158c2ecf20Sopenharmony_ci 168c2ecf20Sopenharmony_ci/* Low Level Transport description */ 178c2ecf20Sopenharmony_cistruct llt_ndlc { 188c2ecf20Sopenharmony_ci struct nci_dev *ndev; 198c2ecf20Sopenharmony_ci struct nfc_phy_ops *ops; 208c2ecf20Sopenharmony_ci void *phy_id; 218c2ecf20Sopenharmony_ci 228c2ecf20Sopenharmony_ci struct timer_list t1_timer; 238c2ecf20Sopenharmony_ci bool t1_active; 248c2ecf20Sopenharmony_ci 258c2ecf20Sopenharmony_ci struct timer_list t2_timer; 268c2ecf20Sopenharmony_ci bool t2_active; 278c2ecf20Sopenharmony_ci 288c2ecf20Sopenharmony_ci struct sk_buff_head rcv_q; 298c2ecf20Sopenharmony_ci struct sk_buff_head send_q; 308c2ecf20Sopenharmony_ci struct sk_buff_head ack_pending_q; 318c2ecf20Sopenharmony_ci 328c2ecf20Sopenharmony_ci struct work_struct sm_work; 338c2ecf20Sopenharmony_ci 348c2ecf20Sopenharmony_ci struct device *dev; 358c2ecf20Sopenharmony_ci 368c2ecf20Sopenharmony_ci /* 378c2ecf20Sopenharmony_ci * < 0 if hardware error occurred 388c2ecf20Sopenharmony_ci * and prevents normal operation. 398c2ecf20Sopenharmony_ci */ 408c2ecf20Sopenharmony_ci int hard_fault; 418c2ecf20Sopenharmony_ci int powered; 428c2ecf20Sopenharmony_ci}; 438c2ecf20Sopenharmony_ci 448c2ecf20Sopenharmony_ciint ndlc_open(struct llt_ndlc *ndlc); 458c2ecf20Sopenharmony_civoid ndlc_close(struct llt_ndlc *ndlc); 468c2ecf20Sopenharmony_ciint ndlc_send(struct llt_ndlc *ndlc, struct sk_buff *skb); 478c2ecf20Sopenharmony_civoid ndlc_recv(struct llt_ndlc *ndlc, struct sk_buff *skb); 488c2ecf20Sopenharmony_ciint ndlc_probe(void *phy_id, struct nfc_phy_ops *phy_ops, struct device *dev, 498c2ecf20Sopenharmony_ci int phy_headroom, int phy_tailroom, struct llt_ndlc **ndlc_id, 508c2ecf20Sopenharmony_ci struct st_nci_se_status *se_status); 518c2ecf20Sopenharmony_civoid ndlc_remove(struct llt_ndlc *ndlc); 528c2ecf20Sopenharmony_ci#endif /* __LOCAL_NDLC_H__ */ 53