1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * NCI based Driver for STMicroelectronics NFC Chip 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Copyright (C) 2014-2015 STMicroelectronics SAS. All rights reserved. 6*4882a593Smuzhiyun */ 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun #ifndef __LOCAL_NDLC_H_ 9*4882a593Smuzhiyun #define __LOCAL_NDLC_H_ 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun #include <linux/skbuff.h> 12*4882a593Smuzhiyun #include <net/nfc/nfc.h> 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun struct st_nci_se_status; 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun /* Low Level Transport description */ 17*4882a593Smuzhiyun struct llt_ndlc { 18*4882a593Smuzhiyun struct nci_dev *ndev; 19*4882a593Smuzhiyun struct nfc_phy_ops *ops; 20*4882a593Smuzhiyun void *phy_id; 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun struct timer_list t1_timer; 23*4882a593Smuzhiyun bool t1_active; 24*4882a593Smuzhiyun 25*4882a593Smuzhiyun struct timer_list t2_timer; 26*4882a593Smuzhiyun bool t2_active; 27*4882a593Smuzhiyun 28*4882a593Smuzhiyun struct sk_buff_head rcv_q; 29*4882a593Smuzhiyun struct sk_buff_head send_q; 30*4882a593Smuzhiyun struct sk_buff_head ack_pending_q; 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun struct work_struct sm_work; 33*4882a593Smuzhiyun 34*4882a593Smuzhiyun struct device *dev; 35*4882a593Smuzhiyun 36*4882a593Smuzhiyun /* 37*4882a593Smuzhiyun * < 0 if hardware error occurred 38*4882a593Smuzhiyun * and prevents normal operation. 39*4882a593Smuzhiyun */ 40*4882a593Smuzhiyun int hard_fault; 41*4882a593Smuzhiyun int powered; 42*4882a593Smuzhiyun }; 43*4882a593Smuzhiyun 44*4882a593Smuzhiyun int ndlc_open(struct llt_ndlc *ndlc); 45*4882a593Smuzhiyun void ndlc_close(struct llt_ndlc *ndlc); 46*4882a593Smuzhiyun int ndlc_send(struct llt_ndlc *ndlc, struct sk_buff *skb); 47*4882a593Smuzhiyun void ndlc_recv(struct llt_ndlc *ndlc, struct sk_buff *skb); 48*4882a593Smuzhiyun int ndlc_probe(void *phy_id, struct nfc_phy_ops *phy_ops, struct device *dev, 49*4882a593Smuzhiyun int phy_headroom, int phy_tailroom, struct llt_ndlc **ndlc_id, 50*4882a593Smuzhiyun struct st_nci_se_status *se_status); 51*4882a593Smuzhiyun void ndlc_remove(struct llt_ndlc *ndlc); 52*4882a593Smuzhiyun #endif /* __LOCAL_NDLC_H__ */ 53