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 28 struct 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, int kern); 34 }; 35 36 struct 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 44 struct 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 53 struct nfc_llcp_sdp_tlv; 54 55 void nfc_llcp_mac_is_down(struct nfc_dev *dev); 56 void nfc_llcp_mac_is_up(struct nfc_dev *dev, u32 target_idx, 57 u8 comm_mode, u8 rf_mode); 58 int nfc_llcp_register_device(struct nfc_dev *dev); 59 void nfc_llcp_unregister_device(struct nfc_dev *dev); 60 int nfc_llcp_set_remote_gb(struct nfc_dev *dev, u8 *gb, u8 gb_len); 61 u8 *nfc_llcp_general_bytes(struct nfc_dev *dev, size_t *general_bytes_len); 62 int nfc_llcp_data_received(struct nfc_dev *dev, struct sk_buff *skb); 63 struct nfc_llcp_local *nfc_llcp_find_local(struct nfc_dev *dev); 64 int __init nfc_llcp_init(void); 65 void nfc_llcp_exit(void); 66 void nfc_llcp_free_sdp_tlv(struct nfc_llcp_sdp_tlv *sdp); 67 void nfc_llcp_free_sdp_tlv_list(struct hlist_head *head); 68 69 int __init rawsock_init(void); 70 void rawsock_exit(void); 71 72 int __init af_nfc_init(void); 73 void af_nfc_exit(void); 74 int nfc_proto_register(const struct nfc_protocol *nfc_proto); 75 void nfc_proto_unregister(const struct nfc_protocol *nfc_proto); 76 77 extern int nfc_devlist_generation; 78 extern struct mutex nfc_devlist_mutex; 79 80 int __init nfc_genl_init(void); 81 void nfc_genl_exit(void); 82 83 void nfc_genl_data_init(struct nfc_genl_data *genl_data); 84 void nfc_genl_data_exit(struct nfc_genl_data *genl_data); 85 86 int nfc_genl_targets_found(struct nfc_dev *dev); 87 int nfc_genl_target_lost(struct nfc_dev *dev, u32 target_idx); 88 89 int nfc_genl_device_added(struct nfc_dev *dev); 90 int nfc_genl_device_removed(struct nfc_dev *dev); 91 92 int nfc_genl_dep_link_up_event(struct nfc_dev *dev, u32 target_idx, 93 u8 comm_mode, u8 rf_mode); 94 int nfc_genl_dep_link_down_event(struct nfc_dev *dev); 95 96 int nfc_genl_tm_activated(struct nfc_dev *dev, u32 protocol); 97 int nfc_genl_tm_deactivated(struct nfc_dev *dev); 98 99 int nfc_genl_llc_send_sdres(struct nfc_dev *dev, struct hlist_head *sdres_list); 100 101 int nfc_genl_se_added(struct nfc_dev *dev, u32 se_idx, u16 type); 102 int nfc_genl_se_removed(struct nfc_dev *dev, u32 se_idx); 103 int nfc_genl_se_transaction(struct nfc_dev *dev, u8 se_idx, 104 struct nfc_evt_transaction *evt_transaction); 105 106 struct nfc_dev *nfc_get_device(unsigned int idx); 107 108 static inline void nfc_put_device(struct nfc_dev *dev) 109 { 110 put_device(&dev->dev); 111 } 112 113 static inline void nfc_device_iter_init(struct class_dev_iter *iter) 114 { 115 class_dev_iter_init(iter, &nfc_class, NULL, NULL); 116 } 117 118 static 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 } 126 127 static inline void nfc_device_iter_exit(struct class_dev_iter *iter) 128 { 129 class_dev_iter_exit(iter); 130 } 131 132 int nfc_fw_download(struct nfc_dev *dev, const char *firmware_name); 133 int nfc_genl_fw_download_done(struct nfc_dev *dev, const char *firmware_name, 134 u32 result); 135 136 int nfc_dev_up(struct nfc_dev *dev); 137 138 int nfc_dev_down(struct nfc_dev *dev); 139 140 int nfc_start_poll(struct nfc_dev *dev, u32 im_protocols, u32 tm_protocols); 141 142 int nfc_stop_poll(struct nfc_dev *dev); 143 144 int nfc_dep_link_up(struct nfc_dev *dev, int target_idx, u8 comm_mode); 145 146 int nfc_dep_link_down(struct nfc_dev *dev); 147 148 int nfc_activate_target(struct nfc_dev *dev, u32 target_idx, u32 protocol); 149 150 int nfc_deactivate_target(struct nfc_dev *dev, u32 target_idx); 151 152 int nfc_data_exchange(struct nfc_dev *dev, u32 target_idx, struct sk_buff *skb, 153 data_exchange_cb_t cb, void *cb_context); 154 155 int nfc_enable_se(struct nfc_dev *dev, u32 se_idx); 156 int nfc_disable_se(struct nfc_dev *dev, u32 se_idx); 157 158 #endif /* __LOCAL_NFC_H */ 159