1ed06aeefSChristophe Ricard /* 2ed06aeefSChristophe Ricard * NCI based Driver for STMicroelectronics NFC Chip 3ed06aeefSChristophe Ricard * 4ed06aeefSChristophe Ricard * Copyright (C) 2014-2015 STMicroelectronics SAS. All rights reserved. 5ed06aeefSChristophe Ricard * 6ed06aeefSChristophe Ricard * This program is free software; you can redistribute it and/or modify it 7ed06aeefSChristophe Ricard * under the terms and conditions of the GNU General Public License, 8ed06aeefSChristophe Ricard * version 2, as published by the Free Software Foundation. 9ed06aeefSChristophe Ricard * 10ed06aeefSChristophe Ricard * This program is distributed in the hope that it will be useful, 11ed06aeefSChristophe Ricard * but WITHOUT ANY WARRANTY; without even the implied warranty of 12ed06aeefSChristophe Ricard * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13ed06aeefSChristophe Ricard * GNU General Public License for more details. 14ed06aeefSChristophe Ricard * 15ed06aeefSChristophe Ricard * You should have received a copy of the GNU General Public License 16ed06aeefSChristophe Ricard * along with this program; if not, see <http://www.gnu.org/licenses/>. 17ed06aeefSChristophe Ricard */ 18ed06aeefSChristophe Ricard 19ed06aeefSChristophe Ricard #ifndef __LOCAL_NDLC_H_ 20ed06aeefSChristophe Ricard #define __LOCAL_NDLC_H_ 21ed06aeefSChristophe Ricard 22ed06aeefSChristophe Ricard #include <linux/skbuff.h> 23ed06aeefSChristophe Ricard #include <net/nfc/nfc.h> 24ed06aeefSChristophe Ricard 25*3648dc6dSChristophe Ricard struct st_nci_se_status; 26*3648dc6dSChristophe Ricard 27ed06aeefSChristophe Ricard /* Low Level Transport description */ 28ed06aeefSChristophe Ricard struct llt_ndlc { 29ed06aeefSChristophe Ricard struct nci_dev *ndev; 30ed06aeefSChristophe Ricard struct nfc_phy_ops *ops; 31ed06aeefSChristophe Ricard void *phy_id; 32ed06aeefSChristophe Ricard 33ed06aeefSChristophe Ricard struct timer_list t1_timer; 34ed06aeefSChristophe Ricard bool t1_active; 35ed06aeefSChristophe Ricard 36ed06aeefSChristophe Ricard struct timer_list t2_timer; 37ed06aeefSChristophe Ricard bool t2_active; 38ed06aeefSChristophe Ricard 39ed06aeefSChristophe Ricard struct sk_buff_head rcv_q; 40ed06aeefSChristophe Ricard struct sk_buff_head send_q; 41ed06aeefSChristophe Ricard struct sk_buff_head ack_pending_q; 42ed06aeefSChristophe Ricard 43ed06aeefSChristophe Ricard struct work_struct sm_work; 44ed06aeefSChristophe Ricard 45ed06aeefSChristophe Ricard struct device *dev; 46ed06aeefSChristophe Ricard 47ed06aeefSChristophe Ricard /* 48ed06aeefSChristophe Ricard * < 0 if hardware error occurred 49ed06aeefSChristophe Ricard * and prevents normal operation. 50ed06aeefSChristophe Ricard */ 51ed06aeefSChristophe Ricard int hard_fault; 52ed06aeefSChristophe Ricard int powered; 53ed06aeefSChristophe Ricard }; 54ed06aeefSChristophe Ricard 55ed06aeefSChristophe Ricard int ndlc_open(struct llt_ndlc *ndlc); 56ed06aeefSChristophe Ricard void ndlc_close(struct llt_ndlc *ndlc); 57ed06aeefSChristophe Ricard int ndlc_send(struct llt_ndlc *ndlc, struct sk_buff *skb); 58ed06aeefSChristophe Ricard void ndlc_recv(struct llt_ndlc *ndlc, struct sk_buff *skb); 59ed06aeefSChristophe Ricard int ndlc_probe(void *phy_id, struct nfc_phy_ops *phy_ops, struct device *dev, 60*3648dc6dSChristophe Ricard int phy_headroom, int phy_tailroom, struct llt_ndlc **ndlc_id, 61*3648dc6dSChristophe Ricard struct st_nci_se_status *se_status); 62ed06aeefSChristophe Ricard void ndlc_remove(struct llt_ndlc *ndlc); 63ed06aeefSChristophe Ricard #endif /* __LOCAL_NDLC_H__ */ 64