hidp.h

Linux嵌入式平台蓝牙协议栈软件

/* 
   HIDP implementation for Linux Bluetooth stack (BlueZ).
   Copyright (C) 2003-2004 Marcel Holtmann <[e-mail]>

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License version 2 as
   published by the Free Software Foundation;

   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
   OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
   IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
   CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES 
   WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 
   ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 
   OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

   ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, 
   COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS 
   SOFTWARE IS DISCLAIMED.
*/

#ifndef __HIDP_H
#define __HIDP_H

#include <linux/types.h>
#include <net/bluetooth/bluetooth.h>

/* HIDP ioctl defines */
#define HIDPCONNADD	_IOW('H', 200, int)
#define HIDPCONNDEL	_IOW('H', 201, int)
#define HIDPGETCONNLIST	_IOR('H', 210, int)
#define HIDPGETCONNINFO	_IOR('H', 211, int)

#define HIDP_VIRTUAL_CABLE_UNPLUG	0
#define HIDP_BOOT_PROTOCOL_MODE		1
#define HIDP_BLUETOOTH_VENDOR_ID	9

struct hidp_connadd_req {
	int   ctrl_sock;	// Connected control socket
	int   intr_sock;	// Connteted interrupt socket
	__u16 parser;
	__u16 rd_size;
	__u8 *rd_data;
	__u8  country;
	__u8  subclass;
	__u16 vendor;
	__u16 product;
	__u16 version;
	__u32 flags;
	__u32 idle_to;
	char  name[128];
};

struct hidp_conndel_req {
	bdaddr_t bdaddr;
	__u32    flags;
};

struct hidp_conninfo {
	bdaddr_t bdaddr;
	__u32    flags;
	__u16    state;
	__u16    vendor;
	__u16    product;
	__u16    version;
	char     name[128];
};

struct hidp_connlist_req {
	__u32  cnum;
	struct hidp_conninfo __user *ci;
};

int hidp_add_connection(struct hidp_connadd_req *req, struct socket *ctrl_sock, struct socket *intr_sock);
int hidp_del_connection(struct hidp_conndel_req *req);
int hidp_get_connlist(struct hidp_connlist_req *req);
int hidp_get_conninfo(struct hidp_conninfo *ci);

/* HIDP session defines */
struct hidp_session {
	struct list_head list;

	struct socket *ctrl_sock;
	struct socket *intr_sock;

	bdaddr_t bdaddr;

	unsigned long state;
	unsigned long flags;
	unsigned long idle_to;

	uint ctrl_mtu;
	uint intr_mtu;

	atomic_t terminate;

	unsigned char keys[8];
	unsigned char leds;

	struct input_dev *input;

	struct timer_list timer;

	struct sk_buff_head ctrl_transmit;
	struct sk_buff_head intr_transmit;
};

static inline void hidp_schedule(struct hidp_session *session)
{
	struct sock *ctrl_sk = session->ctrl_sock->sk;
	struct sock *intr_sk = session->intr_sock->sk;

	wake_up_interruptible(ctrl_sk->sk_sleep);
	wake_up_interruptible(intr_sk->sk_sleep);
}

/* HIDP init defines */
extern int __init hidp_init_sockets(void);
extern void __exit hidp_cleanup_sockets(void);

#endif /* __HIDP_H */