drivers/nfc/st21nfcb/st21nfcb_se.h

   1 /*
   2  * NCI based Driver for STMicroelectronics NFC Chip
   3  *
   4  * Copyright (C) 2014  STMicroelectronics SAS. All rights reserved.
   5  *
   6  * This program is free software; you can redistribute it and/or modify it
   7  * under the terms and conditions of the GNU General Public License,
   8  * version 2, as published by the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  17  */
  18 #ifndef __LOCAL_ST21NFCB_SE_H_
  19 #define __LOCAL_ST21NFCB_SE_H_
  20
  21 /*
  22  * ref ISO7816-3 chap 8.1. the initial character TS is followed by a
  23  * sequence of at most 32 characters.
  24  */
  25 #define ST21NFCB_ESE_MAX_LENGTH         33
  26 #define ST21NFCB_HCI_HOST_ID_ESE        0xc0
  27
  28 struct st21nfcb_se_info {
  29         u8 atr[ST21NFCB_ESE_MAX_LENGTH];
  30         struct completion req_completion;
  31
  32         struct timer_list bwi_timer;
  33         int wt_timeout; /* in msecs */
  34         bool bwi_active;
  35
  36         struct timer_list se_active_timer;
  37         bool se_active;
  38
  39         bool xch_error;
  40
  41         se_io_cb_t cb;
  42         void *cb_context;
  43 };
  44
  45 int st21nfcb_se_init(struct nci_dev *ndev);
  46 void st21nfcb_se_deinit(struct nci_dev *ndev);
  47
  48 int st21nfcb_nci_discover_se(struct nci_dev *ndev);
  49 int st21nfcb_nci_enable_se(struct nci_dev *ndev, u32 se_idx);
  50 int st21nfcb_nci_disable_se(struct nci_dev *ndev, u32 se_idx);
  51 int st21nfcb_nci_se_io(struct nci_dev *ndev, u32 se_idx,
  52                                         u8 *apdu, size_t apdu_length,
  53                                         se_io_cb_t cb, void *cb_context);
  54 int st21nfcb_hci_load_session(struct nci_dev *ndev);
  55 void st21nfcb_hci_event_received(struct nci_dev *ndev, u8 pipe,
  56                                  u8 event, struct sk_buff *skb);
  57 void st21nfcb_hci_cmd_received(struct nci_dev *ndev, u8 pipe, u8 cmd,
  58                                struct sk_buff *skb);
  59
  60
  61 #endif /* __LOCAL_ST21NFCB_NCI_H_ */