Gitiles
Code Review Sign In
review.shift-gmbh.com / SHIFTPHONES / kernel / common / 9d2ec8f68e9dfbdd9ae9bdc79cc4deedc0ad4e6b / . / net / nfc / nfc.h
blob: 889fefd64e56b9d4909011ba59d3875fb381d30f [file] [log] [blame]
Thomas Gleixner1ccea772019-05-19 15:51:43 +0200[diff] [blame]1/* SPDX-License-Identifier: GPL-2.0-or-later */
Lauro Ramos Venancio3e256b82011-07-01 19:31:33 -0300[diff] [blame]2/*
3 * Copyright (C) 2011 Instituto Nokia de Tecnologia
4 *
5 * Authors:
6 * Lauro Ramos Venancio <lauro.venancio@openbossa.org>
7 * Aloisio Almeida Jr <aloisio.almeida@openbossa.org>
Lauro Ramos Venancio3e256b82011-07-01 19:31:33 -0300[diff] [blame]8 */
9
10#ifndef __LOCAL_NFC_H
11#define __LOCAL_NFC_H
12
Ilan Elias55eb94f2011-09-18 11:19:34 +0300[diff] [blame]13#include <net/nfc/nfc.h>
Aloisio Almeida Jrc7fe3b52011-07-01 19:31:35 -0300[diff] [blame]14#include <net/sock.h>
Lauro Ramos Venancio3e256b82011-07-01 19:31:33 -0300[diff] [blame]15
Christophe Ricard96d45812015-10-25 22:54:43 +0100[diff] [blame]16#define NFC_TARGET_MODE_IDLE 0
17#define NFC_TARGET_MODE_SLEEP 1
18
Aloisio Almeida Jrc7fe3b52011-07-01 19:31:35 -0300[diff] [blame]19struct nfc_protocol {
20 int id;
21 struct proto *proto;
22 struct module *owner;
23 int (*create)(struct net *net, struct socket *sock,
Eric W. Biederman11aa9c22015-05-08 21:09:13 -0500[diff] [blame]24 const struct nfc_protocol *nfc_proto, int kern);
Aloisio Almeida Jrc7fe3b52011-07-01 19:31:35 -0300[diff] [blame]25};
26
Lauro Ramos Venancio23b78692011-07-01 19:31:36 -0300[diff] [blame]27struct nfc_rawsock {
28 struct sock sk;
29 struct nfc_dev *dev;
30 u32 target_idx;
31 struct work_struct tx_work;
32 bool tx_work_scheduled;
33};
Hiren Tandel57be1f32014-05-05 19:43:31 +0900[diff] [blame]34
35struct nfc_sock_list {
36 struct hlist_head head;
37 rwlock_t lock;
38};
39
Lauro Ramos Venancio23b78692011-07-01 19:31:36 -0300[diff] [blame]40#define nfc_rawsock(sk) ((struct nfc_rawsock *) sk)
41#define to_rawsock_sk(_tx_work) \
42 ((struct sock *) container_of(_tx_work, struct nfc_rawsock, tx_work))
43
Thierry Escanded9b8d8e2013-02-15 10:43:06 +0100[diff] [blame]44struct nfc_llcp_sdp_tlv;
45
Samuel Ortizd6469602011-12-14 16:43:12 +0100[diff] [blame]46void nfc_llcp_mac_is_down(struct nfc_dev *dev);
47void nfc_llcp_mac_is_up(struct nfc_dev *dev, u32 target_idx,
48 u8 comm_mode, u8 rf_mode);
49int nfc_llcp_register_device(struct nfc_dev *dev);
50void nfc_llcp_unregister_device(struct nfc_dev *dev);
51int nfc_llcp_set_remote_gb(struct nfc_dev *dev, u8 *gb, u8 gb_len);
Samuel Ortiz47807d32012-03-05 01:03:50 +0100[diff] [blame]52u8 *nfc_llcp_general_bytes(struct nfc_dev *dev, size_t *general_bytes_len);
Samuel Ortiz73167ce2012-05-31 00:05:50 +0200[diff] [blame]53int nfc_llcp_data_received(struct nfc_dev *dev, struct sk_buff *skb);
Thierry Escande52feb442012-10-17 14:43:39 +0200[diff] [blame]54struct nfc_llcp_local *nfc_llcp_find_local(struct nfc_dev *dev);
Samuel Ortizd6469602011-12-14 16:43:12 +0100[diff] [blame]55int __init nfc_llcp_init(void);
56void nfc_llcp_exit(void);
Thierry Escanded9b8d8e2013-02-15 10:43:06 +0100[diff] [blame]57void nfc_llcp_free_sdp_tlv(struct nfc_llcp_sdp_tlv *sdp);
58void nfc_llcp_free_sdp_tlv_list(struct hlist_head *head);
Samuel Ortizd6469602011-12-14 16:43:12 +0100[diff] [blame]59
Lauro Ramos Venancio23b78692011-07-01 19:31:36 -0300[diff] [blame]60int __init rawsock_init(void);
61void rawsock_exit(void);
62
Aloisio Almeida Jrc7fe3b52011-07-01 19:31:35 -0300[diff] [blame]63int __init af_nfc_init(void);
64void af_nfc_exit(void);
65int nfc_proto_register(const struct nfc_protocol *nfc_proto);
66void nfc_proto_unregister(const struct nfc_protocol *nfc_proto);
67
Lauro Ramos Venancio3e256b82011-07-01 19:31:33 -0300[diff] [blame]68extern int nfc_devlist_generation;
69extern struct mutex nfc_devlist_mutex;
70
Lauro Ramos Venancio4d12b8b2011-07-01 19:31:34 -0300[diff] [blame]71int __init nfc_genl_init(void);
72void nfc_genl_exit(void);
73
74void nfc_genl_data_init(struct nfc_genl_data *genl_data);
75void nfc_genl_data_exit(struct nfc_genl_data *genl_data);
76
77int nfc_genl_targets_found(struct nfc_dev *dev);
Samuel Ortiz8112a5c2012-04-10 19:43:04 +0200[diff] [blame]78int nfc_genl_target_lost(struct nfc_dev *dev, u32 target_idx);
Lauro Ramos Venancio4d12b8b2011-07-01 19:31:34 -0300[diff] [blame]79
80int nfc_genl_device_added(struct nfc_dev *dev);
81int nfc_genl_device_removed(struct nfc_dev *dev);
82
Samuel Ortiz1ed28f62011-12-14 16:43:09 +0100[diff] [blame]83int nfc_genl_dep_link_up_event(struct nfc_dev *dev, u32 target_idx,
84 u8 comm_mode, u8 rf_mode);
85int nfc_genl_dep_link_down_event(struct nfc_dev *dev);
86
Samuel Ortizfc40a8c2012-06-01 13:21:13 +0200[diff] [blame]87int nfc_genl_tm_activated(struct nfc_dev *dev, u32 protocol);
88int nfc_genl_tm_deactivated(struct nfc_dev *dev);
89
Thierry Escanded9b8d8e2013-02-15 10:43:06 +0100[diff] [blame]90int nfc_genl_llc_send_sdres(struct nfc_dev *dev, struct hlist_head *sdres_list);
91
Samuel Ortiz2757c3722013-05-10 15:47:37 +0200[diff] [blame]92int nfc_genl_se_added(struct nfc_dev *dev, u32 se_idx, u16 type);
93int nfc_genl_se_removed(struct nfc_dev *dev, u32 se_idx);
Christophe Ricard447b27c2015-02-01 22:26:16 +0100[diff] [blame]94int nfc_genl_se_transaction(struct nfc_dev *dev, u8 se_idx,
95 struct nfc_evt_transaction *evt_transaction);
Christophe Ricard9afec6d2015-12-23 23:45:18 +0100[diff] [blame]96int nfc_genl_se_connectivity(struct nfc_dev *dev, u8 se_idx);
Samuel Ortiz2757c3722013-05-10 15:47:37 +0200[diff] [blame]97
Eric Dumazet95c96172012-04-15 05:58:06 +0000[diff] [blame]98struct nfc_dev *nfc_get_device(unsigned int idx);
Lauro Ramos Venancio3e256b82011-07-01 19:31:33 -0300[diff] [blame]99
100static inline void nfc_put_device(struct nfc_dev *dev)
101{
102 put_device(&dev->dev);
103}
104
105static inline void nfc_device_iter_init(struct class_dev_iter *iter)
106{
107 class_dev_iter_init(iter, &nfc_class, NULL, NULL);
108}
109
110static 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
119static inline void nfc_device_iter_exit(struct class_dev_iter *iter)
120{
121 class_dev_iter_exit(iter);
122}
123
Samuel Ortiz9ea71872013-07-31 01:19:43 +0200[diff] [blame]124int nfc_fw_download(struct nfc_dev *dev, const char *firmware_name);
Eric Lapuyade352a5f52013-07-19 14:57:55 +0200[diff] [blame]125int nfc_genl_fw_download_done(struct nfc_dev *dev, const char *firmware_name,
126 u32 result);
Eric Lapuyade9674da82013-04-29 17:13:27 +0200[diff] [blame]127
Ilan Elias8b3fe7b2011-09-18 11:19:33 +0300[diff] [blame]128int nfc_dev_up(struct nfc_dev *dev);
129
130int nfc_dev_down(struct nfc_dev *dev);
131
Samuel Ortizfe7c5802012-05-15 15:57:06 +0200[diff] [blame]132int nfc_start_poll(struct nfc_dev *dev, u32 im_protocols, u32 tm_protocols);
Lauro Ramos Venancio3e256b82011-07-01 19:31:33 -0300[diff] [blame]133
134int nfc_stop_poll(struct nfc_dev *dev);
135
Samuel Ortiz47807d32012-03-05 01:03:50 +0100[diff] [blame]136int nfc_dep_link_up(struct nfc_dev *dev, int target_idx, u8 comm_mode);
Samuel Ortiz1ed28f62011-12-14 16:43:09 +0100[diff] [blame]137
138int nfc_dep_link_down(struct nfc_dev *dev);
139
Lauro Ramos Venancio3e256b82011-07-01 19:31:33 -0300[diff] [blame]140int nfc_activate_target(struct nfc_dev *dev, u32 target_idx, u32 protocol);
141
Christophe Ricard96d45812015-10-25 22:54:43 +0100[diff] [blame]142int nfc_deactivate_target(struct nfc_dev *dev, u32 target_idx, u8 mode);
Lauro Ramos Venancio3e256b82011-07-01 19:31:33 -0300[diff] [blame]143
Samuel Ortiz0a40acb2012-03-05 01:03:53 +0100[diff] [blame]144int nfc_data_exchange(struct nfc_dev *dev, u32 target_idx, struct sk_buff *skb,
145 data_exchange_cb_t cb, void *cb_context);
Lauro Ramos Venancio3e256b82011-07-01 19:31:33 -0300[diff] [blame]146
Samuel Ortizc531c9e2013-05-10 16:15:32 +0200[diff] [blame]147int nfc_enable_se(struct nfc_dev *dev, u32 se_idx);
148int nfc_disable_se(struct nfc_dev *dev, u32 se_idx);
149
Lauro Ramos Venancio3e256b82011-07-01 19:31:33 -0300[diff] [blame]150#endif /* __LOCAL_NFC_H */