1 files changed, 197 insertions, 0 deletions

diff --git a/include/uapi/linux/nfc.h b/include/uapi/linux/nfc.h
new file mode 100644
index 000000000000..d908d17da56d
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+++ b/include/uapi/linux/nfc.h
@@ -0,0 +1,197 @@
+/*
+ * Copyright (C) 2011 Instituto Nokia de Tecnologia
+ *
+ * Authors:
+ *    Lauro Ramos Venancio <lauro.venancio@openbossa.org>
+ *    Aloisio Almeida Jr <aloisio.almeida@openbossa.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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, write to the
+ * Free Software Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __LINUX_NFC_H
+#define __LINUX_NFC_H
+
+#include <linux/types.h>
+#include <linux/socket.h>
+
+#define NFC_GENL_NAME "nfc"
+#define NFC_GENL_VERSION 1
+
+#define NFC_GENL_MCAST_EVENT_NAME "events"
+
+/**
+ * enum nfc_commands - supported nfc commands
+ *
+ * @NFC_CMD_UNSPEC: unspecified command
+ *
+ * @NFC_CMD_GET_DEVICE: request information about a device (requires
+ *      %NFC_ATTR_DEVICE_INDEX) or dump request to get a list of all nfc devices
+ * @NFC_CMD_DEV_UP: turn on the nfc device
+ *      (requires %NFC_ATTR_DEVICE_INDEX)
+ * @NFC_CMD_DEV_DOWN: turn off the nfc device
+ *      (requires %NFC_ATTR_DEVICE_INDEX)
+ * @NFC_CMD_START_POLL: start polling for targets using the given protocols
+ *      (requires %NFC_ATTR_DEVICE_INDEX and %NFC_ATTR_PROTOCOLS)
+ * @NFC_CMD_STOP_POLL: stop polling for targets (requires
+ *      %NFC_ATTR_DEVICE_INDEX)
+ * @NFC_CMD_GET_TARGET: dump all targets found by the previous poll (requires
+ *      %NFC_ATTR_DEVICE_INDEX)
+ * @NFC_EVENT_TARGETS_FOUND: event emitted when a new target is found
+ *      (it sends %NFC_ATTR_DEVICE_INDEX)
+ * @NFC_EVENT_DEVICE_ADDED: event emitted when a new device is registred
+ *      (it sends %NFC_ATTR_DEVICE_NAME, %NFC_ATTR_DEVICE_INDEX and
+ *      %NFC_ATTR_PROTOCOLS)
+ * @NFC_EVENT_DEVICE_REMOVED: event emitted when a device is removed
+ *      (it sends %NFC_ATTR_DEVICE_INDEX)
+ * @NFC_EVENT_TM_ACTIVATED: event emitted when the adapter is activated in
+ *      target mode.
+ * @NFC_EVENT_DEVICE_DEACTIVATED: event emitted when the adapter is deactivated
+ *      from target mode.
+ */
+enum nfc_commands {
+        NFC_CMD_UNSPEC,
+        NFC_CMD_GET_DEVICE,
+        NFC_CMD_DEV_UP,
+        NFC_CMD_DEV_DOWN,
+        NFC_CMD_DEP_LINK_UP,
+        NFC_CMD_DEP_LINK_DOWN,
+        NFC_CMD_START_POLL,
+        NFC_CMD_STOP_POLL,
+        NFC_CMD_GET_TARGET,
+        NFC_EVENT_TARGETS_FOUND,
+        NFC_EVENT_DEVICE_ADDED,
+        NFC_EVENT_DEVICE_REMOVED,
+        NFC_EVENT_TARGET_LOST,
+        NFC_EVENT_TM_ACTIVATED,
+        NFC_EVENT_TM_DEACTIVATED,
+/* private: internal use only */
+        __NFC_CMD_AFTER_LAST
+};
+#define NFC_CMD_MAX (__NFC_CMD_AFTER_LAST - 1)
+
+/**
+ * enum nfc_attrs - supported nfc attributes
+ *
+ * @NFC_ATTR_UNSPEC: unspecified attribute
+ *
+ * @NFC_ATTR_DEVICE_INDEX: index of nfc device
+ * @NFC_ATTR_DEVICE_NAME: device name, max 8 chars
+ * @NFC_ATTR_PROTOCOLS: nfc protocols - bitwise or-ed combination from
+ *      NFC_PROTO_*_MASK constants
+ * @NFC_ATTR_TARGET_INDEX: index of the nfc target
+ * @NFC_ATTR_TARGET_SENS_RES: NFC-A targets extra information such as NFCID
+ * @NFC_ATTR_TARGET_SEL_RES: NFC-A targets extra information (useful if the
+ *      target is not NFC-Forum compliant)
+ * @NFC_ATTR_TARGET_NFCID1: NFC-A targets identifier, max 10 bytes
+ * @NFC_ATTR_TARGET_SENSB_RES: NFC-B targets extra information, max 12 bytes
+ * @NFC_ATTR_TARGET_SENSF_RES: NFC-F targets extra information, max 18 bytes
+ * @NFC_ATTR_COMM_MODE: Passive or active mode
+ * @NFC_ATTR_RF_MODE: Initiator or target
+ * @NFC_ATTR_IM_PROTOCOLS: Initiator mode protocols to poll for
+ * @NFC_ATTR_TM_PROTOCOLS: Target mode protocols to listen for
+ */
+enum nfc_attrs {
+        NFC_ATTR_UNSPEC,
+        NFC_ATTR_DEVICE_INDEX,
+        NFC_ATTR_DEVICE_NAME,
+        NFC_ATTR_PROTOCOLS,
+        NFC_ATTR_TARGET_INDEX,
+        NFC_ATTR_TARGET_SENS_RES,
+        NFC_ATTR_TARGET_SEL_RES,
+        NFC_ATTR_TARGET_NFCID1,
+        NFC_ATTR_TARGET_SENSB_RES,
+        NFC_ATTR_TARGET_SENSF_RES,
+        NFC_ATTR_COMM_MODE,
+        NFC_ATTR_RF_MODE,
+        NFC_ATTR_DEVICE_POWERED,
+        NFC_ATTR_IM_PROTOCOLS,
+        NFC_ATTR_TM_PROTOCOLS,
+/* private: internal use only */
+        __NFC_ATTR_AFTER_LAST
+};
+#define NFC_ATTR_MAX (__NFC_ATTR_AFTER_LAST - 1)
+
+#define NFC_DEVICE_NAME_MAXSIZE 8
+#define NFC_NFCID1_MAXSIZE 10
+#define NFC_SENSB_RES_MAXSIZE 12
+#define NFC_SENSF_RES_MAXSIZE 18
+#define NFC_GB_MAXSIZE        48
+
+/* NFC protocols */
+#define NFC_PROTO_JEWEL         1
+#define NFC_PROTO_MIFARE        2
+#define NFC_PROTO_FELICA        3
+#define NFC_PROTO_ISO14443      4
+#define NFC_PROTO_NFC_DEP       5
+#define NFC_PROTO_ISO14443_B    6
+
+#define NFC_PROTO_MAX           7
+
+/* NFC communication modes */
+#define NFC_COMM_ACTIVE  0
+#define NFC_COMM_PASSIVE 1
+
+/* NFC RF modes */
+#define NFC_RF_INITIATOR 0
+#define NFC_RF_TARGET    1
+#define NFC_RF_NONE      2
+
+/* NFC protocols masks used in bitsets */
+#define NFC_PROTO_JEWEL_MASK      (1 << NFC_PROTO_JEWEL)
+#define NFC_PROTO_MIFARE_MASK     (1 << NFC_PROTO_MIFARE)
+#define NFC_PROTO_FELICA_MASK     (1 << NFC_PROTO_FELICA)
+#define NFC_PROTO_ISO14443_MASK   (1 << NFC_PROTO_ISO14443)
+#define NFC_PROTO_NFC_DEP_MASK    (1 << NFC_PROTO_NFC_DEP)
+#define NFC_PROTO_ISO14443_B_MASK (1 << NFC_PROTO_ISO14443_B)
+
+struct sockaddr_nfc {
+        sa_family_t sa_family;
+        __u32 dev_idx;
+        __u32 target_idx;
+        __u32 nfc_protocol;
+};
+
+#define NFC_LLCP_MAX_SERVICE_NAME 63
+struct sockaddr_nfc_llcp {
+        sa_family_t sa_family;
+        __u32 dev_idx;
+        __u32 target_idx;
+        __u32 nfc_protocol;
+        __u8 dsap; /* Destination SAP, if known */
+        __u8 ssap; /* Source SAP to be bound to */
+        char service_name[NFC_LLCP_MAX_SERVICE_NAME]; /* Service name URI */;
+        size_t service_name_len;
+};
+
+/* NFC socket protocols */
+#define NFC_SOCKPROTO_RAW       0
+#define NFC_SOCKPROTO_LLCP      1
+#define NFC_SOCKPROTO_MAX       2
+
+#define NFC_HEADER_SIZE 1
+
+/**
+ * Pseudo-header info for raw socket packets
+ * First byte is the adapter index
+ * Second byte contains flags
+ *  - 0x01 - Direction (0=RX, 1=TX)
+ *  - 0x02-0x80 - Reserved
+ **/
+#define NFC_LLCP_RAW_HEADER_SIZE        2
+#define NFC_LLCP_DIRECTION_RX           0x00
+#define NFC_LLCP_DIRECTION_TX           0x01
+
+#endif /*__LINUX_NFC_H */