Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / drivers / nfc / st21nfca / st21nfca.h
diff --git a/kernel/drivers/nfc/st21nfca/st21nfca.h b/kernel/drivers/nfc/st21nfca/st21nfca.h
new file mode 100644 (file)
index 0000000..15a78d3
--- /dev/null
@@ -0,0 +1,99 @@
+/*
+ * Copyright (C) 2014  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_ST21NFCA_H_
+#define __LOCAL_ST21NFCA_H_
+
+#include <net/nfc/hci.h>
+
+#include "st21nfca_dep.h"
+#include "st21nfca_se.h"
+
+#define HCI_MODE 0
+
+/* framing in HCI mode */
+#define ST21NFCA_SOF_EOF_LEN    2
+
+/* Almost every time value is 0 */
+#define ST21NFCA_HCI_LLC_LEN    1
+
+/* Size in worst case :
+ * In normal case CRC len = 2 but byte stuffing
+ * may appear in case one CRC byte = ST21NFCA_SOF_EOF
+ */
+#define ST21NFCA_HCI_LLC_CRC    4
+
+#define ST21NFCA_HCI_LLC_LEN_CRC        (ST21NFCA_SOF_EOF_LEN + \
+                                               ST21NFCA_HCI_LLC_LEN + \
+                                               ST21NFCA_HCI_LLC_CRC)
+#define ST21NFCA_HCI_LLC_MIN_SIZE       (1 + ST21NFCA_HCI_LLC_LEN_CRC)
+
+/* Worst case when adding byte stuffing between each byte */
+#define ST21NFCA_HCI_LLC_MAX_PAYLOAD    29
+#define ST21NFCA_HCI_LLC_MAX_SIZE       (ST21NFCA_HCI_LLC_LEN_CRC + 1 + \
+                                       ST21NFCA_HCI_LLC_MAX_PAYLOAD)
+
+#define DRIVER_DESC "HCI NFC driver for ST21NFCA"
+
+#define ST21NFCA_HCI_MODE 0
+
+#define ST21NFCA_NUM_DEVICES 256
+
+struct st21nfca_se_status {
+       bool is_ese_present;
+       bool is_uicc_present;
+};
+
+int st21nfca_hci_probe(void *phy_id, struct nfc_phy_ops *phy_ops,
+                      char *llc_name, int phy_headroom, int phy_tailroom,
+                      int phy_payload, struct nfc_hci_dev **hdev,
+                          struct st21nfca_se_status *se_status);
+void st21nfca_hci_remove(struct nfc_hci_dev *hdev);
+
+enum st21nfca_state {
+       ST21NFCA_ST_COLD,
+       ST21NFCA_ST_READY,
+};
+
+struct st21nfca_hci_info {
+       struct nfc_phy_ops *phy_ops;
+       void *phy_id;
+
+       struct nfc_hci_dev *hdev;
+       struct st21nfca_se_status *se_status;
+
+       enum st21nfca_state state;
+
+       struct mutex info_lock;
+
+       int async_cb_type;
+       data_exchange_cb_t async_cb;
+       void *async_cb_context;
+
+       struct st21nfca_dep_info dep_info;
+       struct st21nfca_se_info se_info;
+};
+
+/* Reader RF commands */
+#define ST21NFCA_WR_XCHG_DATA           0x10
+
+#define ST21NFCA_DEVICE_MGNT_GATE       0x01
+#define ST21NFCA_RF_READER_F_GATE       0x14
+#define ST21NFCA_RF_CARD_F_GATE                        0x24
+#define ST21NFCA_APDU_READER_GATE              0xf0
+#define ST21NFCA_CONNECTIVITY_GATE             0x41
+
+#endif /* __LOCAL_ST21NFCA_H_ */