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 <linux/hid.h> |
28 | #include <linux/kref.h> |
29 | #include <net/bluetooth/bluetooth.h> |
30 | #include <net/bluetooth/l2cap.h> |
31 | |
32 | /* HIDP header masks */ |
33 | #define 0xf0 |
34 | #define 0x0f |
35 | |
36 | /* HIDP transaction types */ |
37 | #define HIDP_TRANS_HANDSHAKE 0x00 |
38 | #define HIDP_TRANS_HID_CONTROL 0x10 |
39 | #define HIDP_TRANS_GET_REPORT 0x40 |
40 | #define HIDP_TRANS_SET_REPORT 0x50 |
41 | #define HIDP_TRANS_GET_PROTOCOL 0x60 |
42 | #define HIDP_TRANS_SET_PROTOCOL 0x70 |
43 | #define HIDP_TRANS_GET_IDLE 0x80 |
44 | #define HIDP_TRANS_SET_IDLE 0x90 |
45 | #define HIDP_TRANS_DATA 0xa0 |
46 | #define HIDP_TRANS_DATC 0xb0 |
47 | |
48 | /* HIDP handshake results */ |
49 | #define HIDP_HSHK_SUCCESSFUL 0x00 |
50 | #define HIDP_HSHK_NOT_READY 0x01 |
51 | #define HIDP_HSHK_ERR_INVALID_REPORT_ID 0x02 |
52 | #define HIDP_HSHK_ERR_UNSUPPORTED_REQUEST 0x03 |
53 | #define HIDP_HSHK_ERR_INVALID_PARAMETER 0x04 |
54 | #define HIDP_HSHK_ERR_UNKNOWN 0x0e |
55 | #define HIDP_HSHK_ERR_FATAL 0x0f |
56 | |
57 | /* HIDP control operation parameters */ |
58 | #define HIDP_CTRL_NOP 0x00 |
59 | #define HIDP_CTRL_HARD_RESET 0x01 |
60 | #define HIDP_CTRL_SOFT_RESET 0x02 |
61 | #define HIDP_CTRL_SUSPEND 0x03 |
62 | #define HIDP_CTRL_EXIT_SUSPEND 0x04 |
63 | #define HIDP_CTRL_VIRTUAL_CABLE_UNPLUG 0x05 |
64 | |
65 | /* HIDP data transaction headers */ |
66 | #define HIDP_DATA_RTYPE_MASK 0x03 |
67 | #define HIDP_DATA_RSRVD_MASK 0x0c |
68 | #define HIDP_DATA_RTYPE_OTHER 0x00 |
69 | #define HIDP_DATA_RTYPE_INPUT 0x01 |
70 | #define HIDP_DATA_RTYPE_OUPUT 0x02 |
71 | #define HIDP_DATA_RTYPE_FEATURE 0x03 |
72 | |
73 | /* HIDP protocol header parameters */ |
74 | #define HIDP_PROTO_BOOT 0x00 |
75 | #define HIDP_PROTO_REPORT 0x01 |
76 | |
77 | /* HIDP ioctl defines */ |
78 | #define HIDPCONNADD _IOW('H', 200, int) |
79 | #define HIDPCONNDEL _IOW('H', 201, int) |
80 | #define HIDPGETCONNLIST _IOR('H', 210, int) |
81 | #define HIDPGETCONNINFO _IOR('H', 211, int) |
82 | |
83 | #define HIDP_VIRTUAL_CABLE_UNPLUG 0 |
84 | #define HIDP_BOOT_PROTOCOL_MODE 1 |
85 | #define HIDP_BLUETOOTH_VENDOR_ID 9 |
86 | #define HIDP_WAITING_FOR_RETURN 10 |
87 | #define HIDP_WAITING_FOR_SEND_ACK 11 |
88 | |
89 | struct hidp_connadd_req { |
90 | int ctrl_sock; /* Connected control socket */ |
91 | int intr_sock; /* Connected interrupt socket */ |
92 | __u16 parser; |
93 | __u16 rd_size; |
94 | __u8 __user *rd_data; |
95 | __u8 country; |
96 | __u8 subclass; |
97 | __u16 vendor; |
98 | __u16 product; |
99 | __u16 version; |
100 | __u32 flags; |
101 | __u32 idle_to; |
102 | char name[128]; |
103 | }; |
104 | |
105 | struct hidp_conndel_req { |
106 | bdaddr_t bdaddr; |
107 | __u32 flags; |
108 | }; |
109 | |
110 | struct hidp_conninfo { |
111 | bdaddr_t bdaddr; |
112 | __u32 flags; |
113 | __u16 state; |
114 | __u16 vendor; |
115 | __u16 product; |
116 | __u16 version; |
117 | char name[128]; |
118 | }; |
119 | |
120 | struct hidp_connlist_req { |
121 | __u32 cnum; |
122 | struct hidp_conninfo __user *ci; |
123 | }; |
124 | |
125 | int hidp_connection_add(const struct hidp_connadd_req *req, struct socket *ctrl_sock, struct socket *intr_sock); |
126 | int hidp_connection_del(struct hidp_conndel_req *req); |
127 | int hidp_get_connlist(struct hidp_connlist_req *req); |
128 | int hidp_get_conninfo(struct hidp_conninfo *ci); |
129 | |
130 | enum hidp_session_state { |
131 | HIDP_SESSION_IDLING, |
132 | HIDP_SESSION_PREPARING, |
133 | HIDP_SESSION_RUNNING, |
134 | }; |
135 | |
136 | /* HIDP session defines */ |
137 | struct hidp_session { |
138 | struct list_head list; |
139 | struct kref ref; |
140 | |
141 | /* runtime management */ |
142 | atomic_t state; |
143 | wait_queue_head_t state_queue; |
144 | atomic_t terminate; |
145 | struct task_struct *task; |
146 | unsigned long flags; |
147 | |
148 | /* connection management */ |
149 | bdaddr_t bdaddr; |
150 | struct l2cap_conn *conn; |
151 | struct l2cap_user user; |
152 | struct socket *ctrl_sock; |
153 | struct socket *intr_sock; |
154 | struct sk_buff_head ctrl_transmit; |
155 | struct sk_buff_head intr_transmit; |
156 | uint ctrl_mtu; |
157 | uint intr_mtu; |
158 | unsigned long idle_to; |
159 | |
160 | /* device management */ |
161 | struct work_struct dev_init; |
162 | struct input_dev *input; |
163 | struct hid_device *hid; |
164 | struct timer_list timer; |
165 | |
166 | /* Report descriptor */ |
167 | __u8 *rd_data; |
168 | uint rd_size; |
169 | |
170 | /* session data */ |
171 | unsigned char keys[8]; |
172 | unsigned char leds; |
173 | |
174 | /* Used in hidp_get_raw_report() */ |
175 | int waiting_report_type; /* HIDP_DATA_RTYPE_* */ |
176 | int waiting_report_number; /* -1 for not numbered */ |
177 | struct mutex report_mutex; |
178 | struct sk_buff *report_return; |
179 | wait_queue_head_t report_queue; |
180 | |
181 | /* Used in hidp_output_raw_report() */ |
182 | int output_report_success; /* boolean */ |
183 | |
184 | /* temporary input buffer */ |
185 | u8 input_buf[HID_MAX_BUFFER_SIZE]; |
186 | }; |
187 | |
188 | /* HIDP init defines */ |
189 | int __init hidp_init_sockets(void); |
190 | void __exit hidp_cleanup_sockets(void); |
191 | |
192 | #endif /* __HIDP_H */ |
193 | |