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