These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / drivers / nfc / st-nci / ndlc.h

diff --git a/kernel/drivers/nfc/st-nci/ndlc.h b/kernel/drivers/nfc/st-nci/ndlc.h
new file mode 100644 (file)
index 0000000..bdf78ff
--- /dev/null
+++ b/kernel/drivers/nfc/st-nci/ndlc.h
@@ -0,0 +1,63 @@
+/*
+ * NCI based Driver for STMicroelectronics NFC Chip
+ *
+ * Copyright (C) 2014-2015  STMicroelectronics SAS. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __LOCAL_NDLC_H_
+#define __LOCAL_NDLC_H_
+
+#include <linux/skbuff.h>
+#include <net/nfc/nfc.h>
+
+struct st_nci_se_status;
+
+/* Low Level Transport description */
+struct llt_ndlc {
+       struct nci_dev *ndev;
+       struct nfc_phy_ops *ops;
+       void *phy_id;
+
+       struct timer_list t1_timer;
+       bool t1_active;
+
+       struct timer_list t2_timer;
+       bool t2_active;
+
+       struct sk_buff_head rcv_q;
+       struct sk_buff_head send_q;
+       struct sk_buff_head ack_pending_q;
+
+       struct work_struct sm_work;
+
+       struct device *dev;
+
+       /*
+        * < 0 if hardware error occurred
+        * and prevents normal operation.
+        */
+       int hard_fault;
+       int powered;
+};
+
+int ndlc_open(struct llt_ndlc *ndlc);
+void ndlc_close(struct llt_ndlc *ndlc);
+int ndlc_send(struct llt_ndlc *ndlc, struct sk_buff *skb);
+void ndlc_recv(struct llt_ndlc *ndlc, struct sk_buff *skb);
+int ndlc_probe(void *phy_id, struct nfc_phy_ops *phy_ops, struct device *dev,
+              int phy_headroom, int phy_tailroom, struct llt_ndlc **ndlc_id,
+              struct st_nci_se_status *se_status);
+void ndlc_remove(struct llt_ndlc *ndlc);
+#endif /* __LOCAL_NDLC_H__ */