^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0-only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * NCI based Driver for STMicroelectronics NFC Chip
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (C) 2014-2015 STMicroelectronics SAS. All rights reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #ifndef __LOCAL_NDLC_H_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #define __LOCAL_NDLC_H_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/skbuff.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <net/nfc/nfc.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) struct st_nci_se_status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) /* Low Level Transport description */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) struct llt_ndlc {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) struct nci_dev *ndev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) struct nfc_phy_ops *ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) void *phy_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) struct timer_list t1_timer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) bool t1_active;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) struct timer_list t2_timer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) bool t2_active;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) struct sk_buff_head rcv_q;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) struct sk_buff_head send_q;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) struct sk_buff_head ack_pending_q;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) struct work_struct sm_work;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) struct device *dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) * < 0 if hardware error occurred
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) * and prevents normal operation.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) int hard_fault;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) int powered;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) int ndlc_open(struct llt_ndlc *ndlc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) void ndlc_close(struct llt_ndlc *ndlc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) int ndlc_send(struct llt_ndlc *ndlc, struct sk_buff *skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) void ndlc_recv(struct llt_ndlc *ndlc, struct sk_buff *skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) int ndlc_probe(void *phy_id, struct nfc_phy_ops *phy_ops, struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) int phy_headroom, int phy_tailroom, struct llt_ndlc **ndlc_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) struct st_nci_se_status *se_status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) void ndlc_remove(struct llt_ndlc *ndlc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) #endif /* __LOCAL_NDLC_H__ */