diff options
Diffstat (limited to 'net/nfc/nfc.h')
-rw-r--r-- | net/nfc/nfc.h | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/net/nfc/nfc.h b/net/nfc/nfc.h new file mode 100644 index 000000000000..aaf9832298f3 --- /dev/null +++ b/net/nfc/nfc.h @@ -0,0 +1,117 @@ +/* + * Copyright (C) 2011 Instituto Nokia de Tecnologia + * + * Authors: + * Lauro Ramos Venancio <lauro.venancio@openbossa.org> + * Aloisio Almeida Jr <aloisio.almeida@openbossa.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the + * Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#ifndef __LOCAL_NFC_H +#define __LOCAL_NFC_H + +#include <net/nfc.h> +#include <net/sock.h> + +__attribute__((format (printf, 2, 3))) +int nfc_printk(const char *level, const char *fmt, ...); + +#define nfc_info(fmt, arg...) nfc_printk(KERN_INFO, fmt, ##arg) +#define nfc_err(fmt, arg...) nfc_printk(KERN_ERR, fmt, ##arg) +#define nfc_dbg(fmt, arg...) pr_debug(fmt "\n", ##arg) + +struct nfc_protocol { + int id; + struct proto *proto; + struct module *owner; + int (*create)(struct net *net, struct socket *sock, + const struct nfc_protocol *nfc_proto); +}; + +struct nfc_rawsock { + struct sock sk; + struct nfc_dev *dev; + u32 target_idx; + struct work_struct tx_work; + bool tx_work_scheduled; +}; +#define nfc_rawsock(sk) ((struct nfc_rawsock *) sk) +#define to_rawsock_sk(_tx_work) \ + ((struct sock *) container_of(_tx_work, struct nfc_rawsock, tx_work)) + +int __init rawsock_init(void); +void rawsock_exit(void); + +int __init af_nfc_init(void); +void af_nfc_exit(void); +int nfc_proto_register(const struct nfc_protocol *nfc_proto); +void nfc_proto_unregister(const struct nfc_protocol *nfc_proto); + +extern int nfc_devlist_generation; +extern struct mutex nfc_devlist_mutex; + +int __init nfc_genl_init(void); +void nfc_genl_exit(void); + +void nfc_genl_data_init(struct nfc_genl_data *genl_data); +void nfc_genl_data_exit(struct nfc_genl_data *genl_data); + +int nfc_genl_targets_found(struct nfc_dev *dev); + +int nfc_genl_device_added(struct nfc_dev *dev); +int nfc_genl_device_removed(struct nfc_dev *dev); + +struct nfc_dev *nfc_get_device(unsigned idx); + +static inline void nfc_put_device(struct nfc_dev *dev) +{ + put_device(&dev->dev); +} + +static inline void nfc_device_iter_init(struct class_dev_iter *iter) +{ + class_dev_iter_init(iter, &nfc_class, NULL, NULL); +} + +static inline struct nfc_dev *nfc_device_iter_next(struct class_dev_iter *iter) +{ + struct device *d = class_dev_iter_next(iter); + if (!d) + return NULL; + + return to_nfc_dev(d); +} + +static inline void nfc_device_iter_exit(struct class_dev_iter *iter) +{ + class_dev_iter_exit(iter); +} + +int nfc_start_poll(struct nfc_dev *dev, u32 protocols); + +int nfc_stop_poll(struct nfc_dev *dev); + +int nfc_activate_target(struct nfc_dev *dev, u32 target_idx, u32 protocol); + +int nfc_deactivate_target(struct nfc_dev *dev, u32 target_idx); + +int nfc_data_exchange(struct nfc_dev *dev, u32 target_idx, + struct sk_buff *skb, + data_exchange_cb_t cb, + void *cb_context); + +#endif /* __LOCAL_NFC_H */ |