hidp.h revision edad63886993d18ab800c49f6587a93432ef8b35 
1/*
2   HIDP implementation for Linux Bluetooth stack (BlueZ).
3   Copyright (C) 2003-2004 Marcel Holtmann <marcel@holtmann.org>
4
5   This program is free software; you can redistribute it and/or modify
6   it under the terms of the GNU General Public License version 2 as
7   published by the Free Software Foundation;
8
9   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
10   OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
11   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
12   IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
13   CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
14   WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15   ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16   OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17
18   ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
19   COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
20   SOFTWARE IS DISCLAIMED.
21*/
22
23#ifndef __HIDP_H
24#define __HIDP_H
25
26#include <linux/types.h>
27#include <net/bluetooth/bluetooth.h>
28
29/* HIDP header masks */
30#define HIDP_HEADER_TRANS_MASK			0xf0
31#define HIDP_HEADER_PARAM_MASK			0x0f
32
33/* HIDP transaction types */
34#define HIDP_TRANS_HANDSHAKE			0x00
35#define HIDP_TRANS_HID_CONTROL			0x10
36#define HIDP_TRANS_GET_REPORT			0x40
37#define HIDP_TRANS_SET_REPORT			0x50
38#define HIDP_TRANS_GET_PROTOCOL			0x60
39#define HIDP_TRANS_SET_PROTOCOL			0x70
40#define HIDP_TRANS_GET_IDLE			0x80
41#define HIDP_TRANS_SET_IDLE			0x90
42#define HIDP_TRANS_DATA				0xa0
43#define HIDP_TRANS_DATC				0xb0
44
45/* HIDP handshake results */
46#define HIDP_HSHK_SUCCESSFUL			0x00
47#define HIDP_HSHK_NOT_READY			0x01
48#define HIDP_HSHK_ERR_INVALID_REPORT_ID		0x02
49#define HIDP_HSHK_ERR_UNSUPPORTED_REQUEST	0x03
50#define HIDP_HSHK_ERR_INVALID_PARAMETER		0x04
51#define HIDP_HSHK_ERR_UNKNOWN			0x0e
52#define HIDP_HSHK_ERR_FATAL			0x0f
53
54/* HIDP control operation parameters */
55#define HIDP_CTRL_NOP				0x00
56#define HIDP_CTRL_HARD_RESET			0x01
57#define HIDP_CTRL_SOFT_RESET			0x02
58#define HIDP_CTRL_SUSPEND			0x03
59#define HIDP_CTRL_EXIT_SUSPEND			0x04
60#define HIDP_CTRL_VIRTUAL_CABLE_UNPLUG		0x05
61
62/* HIDP data transaction headers */
63#define HIDP_DATA_RTYPE_MASK			0x03
64#define HIDP_DATA_RSRVD_MASK			0x0c
65#define HIDP_DATA_RTYPE_OTHER			0x00
66#define HIDP_DATA_RTYPE_INPUT			0x01
67#define HIDP_DATA_RTYPE_OUPUT			0x02
68#define HIDP_DATA_RTYPE_FEATURE			0x03
69
70/* HIDP protocol header parameters */
71#define HIDP_PROTO_BOOT				0x00
72#define HIDP_PROTO_REPORT			0x01
73
74/* HIDP ioctl defines */
75#define HIDPCONNADD	_IOW('H', 200, int)
76#define HIDPCONNDEL	_IOW('H', 201, int)
77#define HIDPGETCONNLIST	_IOR('H', 210, int)
78#define HIDPGETCONNINFO	_IOR('H', 211, int)
79
80#define HIDP_VIRTUAL_CABLE_UNPLUG	0
81#define HIDP_BOOT_PROTOCOL_MODE		1
82#define HIDP_BLUETOOTH_VENDOR_ID	9
83
84struct hidp_connadd_req {
85	int   ctrl_sock;	// Connected control socket
86	int   intr_sock;	// Connteted interrupt socket
87	__u16 parser;
88	__u16 rd_size;
89	__u8 __user *rd_data;
90	__u8  country;
91	__u8  subclass;
92	__u16 vendor;
93	__u16 product;
94	__u16 version;
95	__u32 flags;
96	__u32 idle_to;
97	char  name[128];
98};
99
100struct hidp_conndel_req {
101	bdaddr_t bdaddr;
102	__u32    flags;
103};
104
105struct hidp_conninfo {
106	bdaddr_t bdaddr;
107	__u32    flags;
108	__u16    state;
109	__u16    vendor;
110	__u16    product;
111	__u16    version;
112	char     name[128];
113};
114
115struct hidp_connlist_req {
116	__u32  cnum;
117	struct hidp_conninfo __user *ci;
118};
119
120int hidp_add_connection(struct hidp_connadd_req *req, struct socket *ctrl_sock, struct socket *intr_sock);
121int hidp_del_connection(struct hidp_conndel_req *req);
122int hidp_get_connlist(struct hidp_connlist_req *req);
123int hidp_get_conninfo(struct hidp_conninfo *ci);
124
125/* HIDP session defines */
126struct hidp_session {
127	struct list_head list;
128
129	struct hci_conn *conn;
130
131	struct socket *ctrl_sock;
132	struct socket *intr_sock;
133
134	bdaddr_t bdaddr;
135
136	unsigned long state;
137	unsigned long flags;
138	unsigned long idle_to;
139
140	uint ctrl_mtu;
141	uint intr_mtu;
142
143	atomic_t terminate;
144
145	unsigned char keys[8];
146	unsigned char leds;
147
148	struct input_dev *input;
149
150	struct hid_device *hid;
151
152	struct timer_list timer;
153
154	struct sk_buff_head ctrl_transmit;
155	struct sk_buff_head intr_transmit;
156
157	struct hidp_connadd_req *req;
158};
159
160static inline void hidp_schedule(struct hidp_session *session)
161{
162	struct sock *ctrl_sk = session->ctrl_sock->sk;
163	struct sock *intr_sk = session->intr_sock->sk;
164
165	wake_up_interruptible(ctrl_sk->sk_sleep);
166	wake_up_interruptible(intr_sk->sk_sleep);
167}
168
169/* HIDP init defines */
170extern int __init hidp_init_sockets(void);
171extern void __exit hidp_cleanup_sockets(void);
172
173#endif /* __HIDP_H */
174