LXR linux/net/nfc/nfc.h

   1/*
   2 * Copyright (C) 2011 Instituto Nokia de Tecnologia
   3 *
   4 * Authors:
   5 *    Lauro Ramos Venancio <lauro.venancio@openbossa.org>
   6 *    Aloisio Almeida Jr <aloisio.almeida@openbossa.org>
   7 *
   8 * This program is free software; you can redistribute it and/or modify
   9 * it under the terms of the GNU General Public License as published by
  10 * the Free Software Foundation; either version 2 of the License, or
  11 * (at your option) any later version.
  12 *
  13 * This program is distributed in the hope that it will be useful,
  14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  16 * GNU General Public License for more details.
  17 *
  18 * You should have received a copy of the GNU General Public License
  19 * along with this program; if not, see <http://www.gnu.org/licenses/>.
  20 */
  21
  22#ifndef __LOCAL_NFC_H
  23#define __LOCAL_NFC_H
  24
  25#include <net/nfc/nfc.h>
  26#include <net/sock.h>
  27
  28struct nfc_protocol {
  29        int id;
  30        struct proto *proto;
  31        struct module *owner;
  32        int (*create)(struct net *net, struct socket *sock,
  33                      const struct nfc_protocol *nfc_proto);
  34};
  35
  36struct nfc_rawsock {
  37        struct sock sk;
  38        struct nfc_dev *dev;
  39        u32 target_idx;
  40        struct work_struct tx_work;
  41        bool tx_work_scheduled;
  42};
  43
  44struct nfc_sock_list {
  45        struct hlist_head head;
  46        rwlock_t          lock;
  47};
  48
  49#define nfc_rawsock(sk) ((struct nfc_rawsock *) sk)
  50#define to_rawsock_sk(_tx_work) \
  51        ((struct sock *) container_of(_tx_work, struct nfc_rawsock, tx_work))
  52
  53struct nfc_llcp_sdp_tlv;
  54
  55void nfc_llcp_mac_is_down(struct nfc_dev *dev);
  56void nfc_llcp_mac_is_up(struct nfc_dev *dev, u32 target_idx,
  57                        u8 comm_mode, u8 rf_mode);
  58int nfc_llcp_register_device(struct nfc_dev *dev);
  59void nfc_llcp_unregister_device(struct nfc_dev *dev);
  60int nfc_llcp_set_remote_gb(struct nfc_dev *dev, u8 *gb, u8 gb_len);
  61u8 *nfc_llcp_general_bytes(struct nfc_dev *dev, size_t *general_bytes_len);
  62int nfc_llcp_data_received(struct nfc_dev *dev, struct sk_buff *skb);
  63struct nfc_llcp_local *nfc_llcp_find_local(struct nfc_dev *dev);
  64int __init nfc_llcp_init(void);
  65void nfc_llcp_exit(void);
  66void nfc_llcp_free_sdp_tlv(struct nfc_llcp_sdp_tlv *sdp);
  67void nfc_llcp_free_sdp_tlv_list(struct hlist_head *head);
  68
  69int __init rawsock_init(void);
  70void rawsock_exit(void);
  71
  72int __init af_nfc_init(void);
  73void af_nfc_exit(void);
  74int nfc_proto_register(const struct nfc_protocol *nfc_proto);
  75void nfc_proto_unregister(const struct nfc_protocol *nfc_proto);
  76
  77extern int nfc_devlist_generation;
  78extern struct mutex nfc_devlist_mutex;
  79
  80int __init nfc_genl_init(void);
  81void nfc_genl_exit(void);
  82
  83void nfc_genl_data_init(struct nfc_genl_data *genl_data);
  84void nfc_genl_data_exit(struct nfc_genl_data *genl_data);
  85
  86int nfc_genl_targets_found(struct nfc_dev *dev);
  87int nfc_genl_target_lost(struct nfc_dev *dev, u32 target_idx);
  88
  89int nfc_genl_device_added(struct nfc_dev *dev);
  90int nfc_genl_device_removed(struct nfc_dev *dev);
  91
  92int nfc_genl_dep_link_up_event(struct nfc_dev *dev, u32 target_idx,
  93                               u8 comm_mode, u8 rf_mode);
  94int nfc_genl_dep_link_down_event(struct nfc_dev *dev);
  95
  96int nfc_genl_tm_activated(struct nfc_dev *dev, u32 protocol);
  97int nfc_genl_tm_deactivated(struct nfc_dev *dev);
  98
  99int nfc_genl_llc_send_sdres(struct nfc_dev *dev, struct hlist_head *sdres_list);
 100
 101int nfc_genl_se_added(struct nfc_dev *dev, u32 se_idx, u16 type);
 102int nfc_genl_se_removed(struct nfc_dev *dev, u32 se_idx);
 103int nfc_genl_se_transaction(struct nfc_dev *dev, u8 se_idx,
 104                            struct nfc_evt_transaction *evt_transaction);
 105
 106struct nfc_dev *nfc_get_device(unsigned int idx);
 107
 108static inline void nfc_put_device(struct nfc_dev *dev)
 109{
 110        put_device(&dev->dev);
 111}
 112
 113static inline void nfc_device_iter_init(struct class_dev_iter *iter)
 114{
 115        class_dev_iter_init(iter, &nfc_class, NULL, NULL);
 116}
 117
 118static inline struct nfc_dev *nfc_device_iter_next(struct class_dev_iter *iter)
 119{
 120        struct device *d = class_dev_iter_next(iter);
 121        if (!d)
 122                return NULL;
 123
 124        return to_nfc_dev(d);
 125}
 126
 127static inline void nfc_device_iter_exit(struct class_dev_iter *iter)
 128{
 129        class_dev_iter_exit(iter);
 130}
 131
 132int nfc_fw_download(struct nfc_dev *dev, const char *firmware_name);
 133int nfc_genl_fw_download_done(struct nfc_dev *dev, const char *firmware_name,
 134                              u32 result);
 135
 136int nfc_dev_up(struct nfc_dev *dev);
 137
 138int nfc_dev_down(struct nfc_dev *dev);
 139
 140int nfc_start_poll(struct nfc_dev *dev, u32 im_protocols, u32 tm_protocols);
 141
 142int nfc_stop_poll(struct nfc_dev *dev);
 143
 144int nfc_dep_link_up(struct nfc_dev *dev, int target_idx, u8 comm_mode);
 145
 146int nfc_dep_link_down(struct nfc_dev *dev);
 147
 148int nfc_activate_target(struct nfc_dev *dev, u32 target_idx, u32 protocol);
 149
 150int nfc_deactivate_target(struct nfc_dev *dev, u32 target_idx);
 151
 152int nfc_data_exchange(struct nfc_dev *dev, u32 target_idx, struct sk_buff *skb,
 153                      data_exchange_cb_t cb, void *cb_context);
 154
 155int nfc_enable_se(struct nfc_dev *dev, u32 se_idx);
 156int nfc_disable_se(struct nfc_dev *dev, u32 se_idx);
 157
 158#endif /* __LOCAL_NFC_H */
 159