/*
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 <linux/hid.h>
#include <linux/kref.h>
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/l2cap.h>
/* HIDP header masks */
#define HIDP_HEADER_TRANS_MASK 0 xf0
#define HIDP_HEADER_PARAM_MASK 0 x0f
/* HIDP transaction types */
#define HIDP_TRANS_HANDSHAKE 0 x00
#define HIDP_TRANS_HID_CONTROL 0 x10
#define HIDP_TRANS_GET_REPORT 0 x40
#define HIDP_TRANS_SET_REPORT 0 x50
#define HIDP_TRANS_GET_PROTOCOL 0 x60
#define HIDP_TRANS_SET_PROTOCOL 0 x70
#define HIDP_TRANS_GET_IDLE 0 x80
#define HIDP_TRANS_SET_IDLE 0 x90
#define HIDP_TRANS_DATA 0 xa0
#define HIDP_TRANS_DATC 0 xb0
/* HIDP handshake results */
#define HIDP_HSHK_SUCCESSFUL 0 x00
#define HIDP_HSHK_NOT_READY 0 x01
#define HIDP_HSHK_ERR_INVALID_REPORT_ID 0 x02
#define HIDP_HSHK_ERR_UNSUPPORTED_REQUEST 0 x03
#define HIDP_HSHK_ERR_INVALID_PARAMETER 0 x04
#define HIDP_HSHK_ERR_UNKNOWN 0 x0e
#define HIDP_HSHK_ERR_FATAL 0 x0f
/* HIDP control operation parameters */
#define HIDP_CTRL_NOP 0 x00
#define HIDP_CTRL_HARD_RESET 0 x01
#define HIDP_CTRL_SOFT_RESET 0 x02
#define HIDP_CTRL_SUSPEND 0 x03
#define HIDP_CTRL_EXIT_SUSPEND 0 x04
#define HIDP_CTRL_VIRTUAL_CABLE_UNPLUG 0 x05
/* HIDP data transaction headers */
#define HIDP_DATA_RTYPE_MASK 0 x03
#define HIDP_DATA_RSRVD_MASK 0 x0c
#define HIDP_DATA_RTYPE_OTHER 0 x00
#define HIDP_DATA_RTYPE_INPUT 0 x01
#define HIDP_DATA_RTYPE_OUPUT 0 x02
#define HIDP_DATA_RTYPE_FEATURE 0 x03
/* HIDP protocol header parameters */
#define HIDP_PROTO_BOOT 0 x00
#define HIDP_PROTO_REPORT 0 x01
/* 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
#define HIDP_WAITING_FOR_RETURN 10
#define HIDP_WAITING_FOR_SEND_ACK 11
struct hidp_connadd_req {
int ctrl_sock; /* Connected control socket */
int intr_sock; /* Connected 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_connection_add(const struct hidp_connadd_req *req, struct socket *ctrl_sock, struct socket *intr_sock);
int hidp_connection_del(struct hidp_conndel_req *req);
int hidp_get_connlist(struct hidp_connlist_req *req);
int hidp_get_conninfo(struct hidp_conninfo *ci);
enum hidp_session_state {
HIDP_SESSION_IDLING,
HIDP_SESSION_PREPARING,
HIDP_SESSION_RUNNING,
};
/* HIDP session defines */
struct hidp_session {
struct list_head list;
struct kref ref;
/* runtime management */
atomic_t state;
wait_queue_head_t state_queue;
atomic_t terminate;
struct task_struct *task;
unsigned long flags;
/* connection management */
bdaddr_t bdaddr;
struct l2cap_conn *conn;
struct l2cap_user user;
struct socket *ctrl_sock;
struct socket *intr_sock;
struct sk_buff_head ctrl_transmit;
struct sk_buff_head intr_transmit;
uint ctrl_mtu;
uint intr_mtu;
unsigned long idle_to;
/* device management */
struct work_struct dev_init;
struct input_dev *input;
struct hid_device *hid;
struct timer_list timer;
/* Report descriptor */
__u8 *rd_data;
uint rd_size;
/* session data */
unsigned char keys[8 ];
unsigned char leds;
/* Used in hidp_get_raw_report() */
int waiting_report_type; /* HIDP_DATA_RTYPE_* */
int waiting_report_number; /* -1 for not numbered */
struct mutex report_mutex;
struct sk_buff *report_return;
wait_queue_head_t report_queue;
/* Used in hidp_output_raw_report() */
int output_report_success; /* boolean */
/* temporary input buffer */
u8 input_buf[HID_MAX_BUFFER_SIZE];
};
/* HIDP init defines */
int __init hidp_init_sockets(void );
void __exit hidp_cleanup_sockets(void );
#endif /* __HIDP_H */
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