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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 <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 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
#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(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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