1*ed06aeefSChristophe Ricard /* 2*ed06aeefSChristophe Ricard * NCI based Driver for STMicroelectronics NFC Chip 3*ed06aeefSChristophe Ricard * 4*ed06aeefSChristophe Ricard * Copyright (C) 2014-2015 STMicroelectronics SAS. All rights reserved. 5*ed06aeefSChristophe Ricard * 6*ed06aeefSChristophe Ricard * This program is free software; you can redistribute it and/or modify it 7*ed06aeefSChristophe Ricard * under the terms and conditions of the GNU General Public License, 8*ed06aeefSChristophe Ricard * version 2, as published by the Free Software Foundation. 9*ed06aeefSChristophe Ricard * 10*ed06aeefSChristophe Ricard * This program is distributed in the hope that it will be useful, 11*ed06aeefSChristophe Ricard * but WITHOUT ANY WARRANTY; without even the implied warranty of 12*ed06aeefSChristophe Ricard * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13*ed06aeefSChristophe Ricard * GNU General Public License for more details. 14*ed06aeefSChristophe Ricard * 15*ed06aeefSChristophe Ricard * You should have received a copy of the GNU General Public License 16*ed06aeefSChristophe Ricard * along with this program; if not, see <http://www.gnu.org/licenses/>. 17*ed06aeefSChristophe Ricard */ 18*ed06aeefSChristophe Ricard 19*ed06aeefSChristophe Ricard #ifndef __LOCAL_NDLC_H_ 20*ed06aeefSChristophe Ricard #define __LOCAL_NDLC_H_ 21*ed06aeefSChristophe Ricard 22*ed06aeefSChristophe Ricard #include <linux/skbuff.h> 23*ed06aeefSChristophe Ricard #include <net/nfc/nfc.h> 24*ed06aeefSChristophe Ricard 25*ed06aeefSChristophe Ricard /* Low Level Transport description */ 26*ed06aeefSChristophe Ricard struct llt_ndlc { 27*ed06aeefSChristophe Ricard struct nci_dev *ndev; 28*ed06aeefSChristophe Ricard struct nfc_phy_ops *ops; 29*ed06aeefSChristophe Ricard void *phy_id; 30*ed06aeefSChristophe Ricard 31*ed06aeefSChristophe Ricard struct timer_list t1_timer; 32*ed06aeefSChristophe Ricard bool t1_active; 33*ed06aeefSChristophe Ricard 34*ed06aeefSChristophe Ricard struct timer_list t2_timer; 35*ed06aeefSChristophe Ricard bool t2_active; 36*ed06aeefSChristophe Ricard 37*ed06aeefSChristophe Ricard struct sk_buff_head rcv_q; 38*ed06aeefSChristophe Ricard struct sk_buff_head send_q; 39*ed06aeefSChristophe Ricard struct sk_buff_head ack_pending_q; 40*ed06aeefSChristophe Ricard 41*ed06aeefSChristophe Ricard struct work_struct sm_work; 42*ed06aeefSChristophe Ricard 43*ed06aeefSChristophe Ricard struct device *dev; 44*ed06aeefSChristophe Ricard 45*ed06aeefSChristophe Ricard /* 46*ed06aeefSChristophe Ricard * < 0 if hardware error occurred 47*ed06aeefSChristophe Ricard * and prevents normal operation. 48*ed06aeefSChristophe Ricard */ 49*ed06aeefSChristophe Ricard int hard_fault; 50*ed06aeefSChristophe Ricard int powered; 51*ed06aeefSChristophe Ricard }; 52*ed06aeefSChristophe Ricard 53*ed06aeefSChristophe Ricard int ndlc_open(struct llt_ndlc *ndlc); 54*ed06aeefSChristophe Ricard void ndlc_close(struct llt_ndlc *ndlc); 55*ed06aeefSChristophe Ricard int ndlc_send(struct llt_ndlc *ndlc, struct sk_buff *skb); 56*ed06aeefSChristophe Ricard void ndlc_recv(struct llt_ndlc *ndlc, struct sk_buff *skb); 57*ed06aeefSChristophe Ricard int ndlc_probe(void *phy_id, struct nfc_phy_ops *phy_ops, struct device *dev, 58*ed06aeefSChristophe Ricard int phy_headroom, int phy_tailroom, struct llt_ndlc **ndlc_id); 59*ed06aeefSChristophe Ricard void ndlc_remove(struct llt_ndlc *ndlc); 60*ed06aeefSChristophe Ricard #endif /* __LOCAL_NDLC_H__ */ 61