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/*

   HIDP implementation for Linux Bluetooth stack (BlueZ).

   Copyright (C) 2003-2004 Marcel Holtmann <marcel@holtmann.org>

   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 header masks */

#define HIDP_HEADER_TRANS_MASK                  0xf0

#define HIDP_HEADER_PARAM_MASK                  0x0f

/* HIDP transaction types */

#define HIDP_TRANS_HANDSHAKE                    0x00

#define HIDP_TRANS_HID_CONTROL                  0x10

#define HIDP_TRANS_GET_REPORT                   0x40

#define HIDP_TRANS_SET_REPORT                   0x50

#define HIDP_TRANS_GET_PROTOCOL                 0x60

#define HIDP_TRANS_SET_PROTOCOL                 0x70

#define HIDP_TRANS_GET_IDLE                     0x80

#define HIDP_TRANS_SET_IDLE                     0x90

#define HIDP_TRANS_DATA                         0xa0

#define HIDP_TRANS_DATC                         0xb0

/* HIDP handshake results */

#define HIDP_HSHK_SUCCESSFUL                    0x00

#define HIDP_HSHK_NOT_READY                     0x01

#define HIDP_HSHK_ERR_INVALID_REPORT_ID         0x02

#define HIDP_HSHK_ERR_UNSUPPORTED_REQUEST       0x03

#define HIDP_HSHK_ERR_INVALID_PARAMETER         0x04

#define HIDP_HSHK_ERR_UNKNOWN                   0x0e

#define HIDP_HSHK_ERR_FATAL                     0x0f

/* HIDP control operation parameters */

#define HIDP_CTRL_NOP                           0x00

#define HIDP_CTRL_HARD_RESET                    0x01

#define HIDP_CTRL_SOFT_RESET                    0x02

#define HIDP_CTRL_SUSPEND                       0x03

#define HIDP_CTRL_EXIT_SUSPEND                  0x04

#define HIDP_CTRL_VIRTUAL_CABLE_UNPLUG          0x05

/* HIDP data transaction headers */

#define HIDP_DATA_RTYPE_MASK                    0x03

#define HIDP_DATA_RSRVD_MASK                    0x0c

#define HIDP_DATA_RTYPE_OTHER                   0x00

#define HIDP_DATA_RTYPE_INPUT                   0x01

#define HIDP_DATA_RTYPE_OUPUT                   0x02

#define HIDP_DATA_RTYPE_FEATURE                 0x03

/* HIDP protocol header parameters */

#define HIDP_PROTO_BOOT                         0x00

#define HIDP_PROTO_REPORT                       0x01

/* 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 __user *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 hid_device *hid;

        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 */