/*

 * 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, see <http://www.gnu.org/licenses/>.

 */

#ifndef __LOCAL_NFC_H

#define __LOCAL_NFC_H

#include <net/nfc/nfc.h>

#include <net/sock.h>

#define NFC_TARGET_MODE_IDLE 0

#define NFC_TARGET_MODE_SLEEP 1

struct nfc_protocol {

	int id;

	struct proto *proto;

	struct module *owner;

	int (*create)(struct net *net, struct socket *sock,

		      const struct nfc_protocol *nfc_proto, int kern);

};

struct nfc_rawsock {

	struct sock sk;

	struct nfc_dev *dev;

	u32 target_idx;

	struct work_struct tx_work;

	bool tx_work_scheduled;

};

struct nfc_sock_list {

	struct hlist_head head;

	rwlock_t          lock;

};

#define nfc_rawsock(sk) ((struct nfc_rawsock *) sk)

#define to_rawsock_sk(_tx_work) \

	((struct sock *) container_of(_tx_work, struct nfc_rawsock, tx_work))

struct nfc_llcp_sdp_tlv;

void nfc_llcp_mac_is_down(struct nfc_dev *dev);

void nfc_llcp_mac_is_up(struct nfc_dev *dev, u32 target_idx,

			u8 comm_mode, u8 rf_mode);

int nfc_llcp_register_device(struct nfc_dev *dev);

void nfc_llcp_unregister_device(struct nfc_dev *dev);

int nfc_llcp_set_remote_gb(struct nfc_dev *dev, u8 *gb, u8 gb_len);

u8 *nfc_llcp_general_bytes(struct nfc_dev *dev, size_t *general_bytes_len);

int nfc_llcp_data_received(struct nfc_dev *dev, struct sk_buff *skb);

struct nfc_llcp_local *nfc_llcp_find_local(struct nfc_dev *dev);

int __init nfc_llcp_init(void);

void nfc_llcp_exit(void);

void nfc_llcp_free_sdp_tlv(struct nfc_llcp_sdp_tlv *sdp);

void nfc_llcp_free_sdp_tlv_list(struct hlist_head *head);

int __init rawsock_init(void);

void rawsock_exit(void);

int __init af_nfc_init(void);

void af_nfc_exit(void);

int nfc_proto_register(const struct nfc_protocol *nfc_proto);

void nfc_proto_unregister(const struct nfc_protocol *nfc_proto);

extern int nfc_devlist_generation;

extern struct mutex nfc_devlist_mutex;

int __init nfc_genl_init(void);

void nfc_genl_exit(void);

void nfc_genl_data_init(struct nfc_genl_data *genl_data);

void nfc_genl_data_exit(struct nfc_genl_data *genl_data);

int nfc_genl_targets_found(struct nfc_dev *dev);

int nfc_genl_target_lost(struct nfc_dev *dev, u32 target_idx);

int nfc_genl_device_added(struct nfc_dev *dev);

int nfc_genl_device_removed(struct nfc_dev *dev);

int nfc_genl_dep_link_up_event(struct nfc_dev *dev, u32 target_idx,

			       u8 comm_mode, u8 rf_mode);

int nfc_genl_dep_link_down_event(struct nfc_dev *dev);

int nfc_genl_tm_activated(struct nfc_dev *dev, u32 protocol);

int nfc_genl_tm_deactivated(struct nfc_dev *dev);

int nfc_genl_llc_send_sdres(struct nfc_dev *dev, struct hlist_head *sdres_list);

int nfc_genl_se_added(struct nfc_dev *dev, u32 se_idx, u16 type);

int nfc_genl_se_removed(struct nfc_dev *dev, u32 se_idx);

int nfc_genl_se_transaction(struct nfc_dev *dev, u8 se_idx,

			    struct nfc_evt_transaction *evt_transaction);

int nfc_genl_se_connectivity(struct nfc_dev *dev, u8 se_idx);

struct nfc_dev *nfc_get_device(unsigned int idx);

static inline void nfc_put_device(struct nfc_dev *dev)

{

	put_device(&dev->dev);

}

static inline void nfc_device_iter_init(struct class_dev_iter *iter)

{

	class_dev_iter_init(iter, &nfc_class, NULL, NULL);

}

static inline struct nfc_dev *nfc_device_iter_next(struct class_dev_iter *iter)

{

	struct device *d = class_dev_iter_next(iter);

	if (!d)

		return NULL;

	return to_nfc_dev(d);

}

static inline void nfc_device_iter_exit(struct class_dev_iter *iter)

{

	class_dev_iter_exit(iter);

}

int nfc_fw_download(struct nfc_dev *dev, const char *firmware_name);

int nfc_genl_fw_download_done(struct nfc_dev *dev, const char *firmware_name,

			      u32 result);

int nfc_dev_up(struct nfc_dev *dev);

int nfc_dev_down(struct nfc_dev *dev);

int nfc_start_poll(struct nfc_dev *dev, u32 im_protocols, u32 tm_protocols);

int nfc_stop_poll(struct nfc_dev *dev);

int nfc_dep_link_up(struct nfc_dev *dev, int target_idx, u8 comm_mode);

int nfc_dep_link_down(struct nfc_dev *dev);

int nfc_activate_target(struct nfc_dev *dev, u32 target_idx, u32 protocol);

int nfc_deactivate_target(struct nfc_dev *dev, u32 target_idx, u8 mode);

int nfc_data_exchange(struct nfc_dev *dev, u32 target_idx, struct sk_buff *skb,

		      data_exchange_cb_t cb, void *cb_context);

int nfc_enable_se(struct nfc_dev *dev, u32 se_idx);

int nfc_disable_se(struct nfc_dev *dev, u32 se_idx);

#endif /* __LOCAL_NFC_H */