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, write to the
  20  * Free Software Foundation, Inc.,
  21  * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  22  */
  23
  24 #ifndef __LOCAL_NFC_H
  25 #define __LOCAL_NFC_H
  26
  27 #include <net/nfc/nfc.h>
  28 #include <net/sock.h>
  29
  30 struct nfc_protocol {
  31         int id;
  32         struct proto *proto;
  33         struct module *owner;
  34         int (*create)(struct net *net, struct socket *sock,
  35                       const struct nfc_protocol *nfc_proto);
  36 };
  37
  38 struct nfc_rawsock {
  39         struct sock sk;
  40         struct nfc_dev *dev;
  41         u32 target_idx;
  42         struct work_struct tx_work;
  43         bool tx_work_scheduled;
  44 };
  45 #define nfc_rawsock(sk) ((struct nfc_rawsock *) sk)
  46 #define to_rawsock_sk(_tx_work) \
  47         ((struct sock *) container_of(_tx_work, struct nfc_rawsock, tx_work))
  48
  49 struct nfc_llcp_sdp_tlv;
  50
  51 void nfc_llcp_mac_is_down(struct nfc_dev *dev);
  52 void nfc_llcp_mac_is_up(struct nfc_dev *dev, u32 target_idx,
  53                         u8 comm_mode, u8 rf_mode);
  54 int nfc_llcp_register_device(struct nfc_dev *dev);
  55 void nfc_llcp_unregister_device(struct nfc_dev *dev);
  56 int nfc_llcp_set_remote_gb(struct nfc_dev *dev, u8 *gb, u8 gb_len);
  57 u8 *nfc_llcp_general_bytes(struct nfc_dev *dev, size_t *general_bytes_len);
  58 int nfc_llcp_data_received(struct nfc_dev *dev, struct sk_buff *skb);
  59 struct nfc_llcp_local *nfc_llcp_find_local(struct nfc_dev *dev);
  60 int __init nfc_llcp_init(void);
  61 void nfc_llcp_exit(void);
  62 void nfc_llcp_free_sdp_tlv(struct nfc_llcp_sdp_tlv *sdp);
  63 void nfc_llcp_free_sdp_tlv_list(struct hlist_head *head);
  64
  65 int __init rawsock_init(void);
  66 void rawsock_exit(void);
  67
  68 int __init af_nfc_init(void);
  69 void af_nfc_exit(void);
  70 int nfc_proto_register(const struct nfc_protocol *nfc_proto);
  71 void nfc_proto_unregister(const struct nfc_protocol *nfc_proto);
  72
  73 extern int nfc_devlist_generation;
  74 extern struct mutex nfc_devlist_mutex;
  75
  76 int __init nfc_genl_init(void);
  77 void nfc_genl_exit(void);
  78
  79 void nfc_genl_data_init(struct nfc_genl_data *genl_data);
  80 void nfc_genl_data_exit(struct nfc_genl_data *genl_data);
  81
  82 int nfc_genl_targets_found(struct nfc_dev *dev);
  83 int nfc_genl_target_lost(struct nfc_dev *dev, u32 target_idx);
  84
  85 int nfc_genl_device_added(struct nfc_dev *dev);
  86 int nfc_genl_device_removed(struct nfc_dev *dev);
  87
  88 int nfc_genl_dep_link_up_event(struct nfc_dev *dev, u32 target_idx,
  89                                u8 comm_mode, u8 rf_mode);
  90 int nfc_genl_dep_link_down_event(struct nfc_dev *dev);
  91
  92 int nfc_genl_tm_activated(struct nfc_dev *dev, u32 protocol);
  93 int nfc_genl_tm_deactivated(struct nfc_dev *dev);
  94
  95 int nfc_genl_llc_send_sdres(struct nfc_dev *dev, struct hlist_head *sdres_list);
  96
  97 int nfc_genl_se_added(struct nfc_dev *dev, u32 se_idx, u16 type);
  98 int nfc_genl_se_removed(struct nfc_dev *dev, u32 se_idx);
  99
 100 struct nfc_dev *nfc_get_device(unsigned int idx);
 101
 102 static inline void nfc_put_device(struct nfc_dev *dev)
 103 {
 104         put_device(&dev->dev);
 105 }
 106
 107 static inline void nfc_device_iter_init(struct class_dev_iter *iter)
 108 {
 109         class_dev_iter_init(iter, &nfc_class, NULL, NULL);
 110 }
 111
 112 static inline struct nfc_dev *nfc_device_iter_next(struct class_dev_iter *iter)
 113 {
 114         struct device *d = class_dev_iter_next(iter);
 115         if (!d)
 116                 return NULL;
 117
 118         return to_nfc_dev(d);
 119 }
 120
 121 static inline void nfc_device_iter_exit(struct class_dev_iter *iter)
 122 {
 123         class_dev_iter_exit(iter);
 124 }
 125
 126 int nfc_fw_download(struct nfc_dev *dev, const char *firmware_name);
 127 int nfc_genl_fw_download_done(struct nfc_dev *dev, const char *firmware_name,
 128                               u32 result);
 129
 130 int nfc_dev_up(struct nfc_dev *dev);
 131
 132 int nfc_dev_down(struct nfc_dev *dev);
 133
 134 int nfc_start_poll(struct nfc_dev *dev, u32 im_protocols, u32 tm_protocols);
 135
 136 int nfc_stop_poll(struct nfc_dev *dev);
 137
 138 int nfc_dep_link_up(struct nfc_dev *dev, int target_idx, u8 comm_mode);
 139
 140 int nfc_dep_link_down(struct nfc_dev *dev);
 141
 142 int nfc_activate_target(struct nfc_dev *dev, u32 target_idx, u32 protocol);
 143
 144 int nfc_deactivate_target(struct nfc_dev *dev, u32 target_idx);
 145
 146 int nfc_data_exchange(struct nfc_dev *dev, u32 target_idx, struct sk_buff *skb,
 147                       data_exchange_cb_t cb, void *cb_context);
 148
 149 int nfc_enable_se(struct nfc_dev *dev, u32 se_idx);
 150 int nfc_disable_se(struct nfc_dev *dev, u32 se_idx);
 151
 152 #endif /* __LOCAL_NFC_H */