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TOMOYO Linux Cross Reference
Linux/net/bluetooth/hidp/hidp.h

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  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 HIDP_HEADER_TRANS_MASK                  0xf0
 34 #define HIDP_HEADER_PARAM_MASK                  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 

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