net/bluetooth/hidp/hidp.h

   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
  84 struct 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
 100 struct hidp_conndel_req {
 101         bdaddr_t bdaddr;
 102         __u32    flags;
 103 };
 104
 105 struct 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
 115 struct hidp_connlist_req {
 116         __u32  cnum;
 117         struct hidp_conninfo __user *ci;
 118 };
 119
 120 int hidp_add_connection(struct hidp_connadd_req *req, struct socket *ctrl_sock, struct socket *intr_sock);
 121 int hidp_del_connection(struct hidp_conndel_req *req);
 122 int hidp_get_connlist(struct hidp_connlist_req *req);
 123 int hidp_get_conninfo(struct hidp_conninfo *ci);
 124
 125 /* HIDP session defines */
 126 struct 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         /* Report descriptor */
 158         __u8 *rd_data;
 159         uint rd_size;
 160 };
 161
 162 static inline void hidp_schedule(struct hidp_session *session)
 163 {
 164         struct sock *ctrl_sk = session->ctrl_sock->sk;
 165         struct sock *intr_sk = session->intr_sock->sk;
 166
 167         wake_up_interruptible(sk_sleep(ctrl_sk));
 168         wake_up_interruptible(sk_sleep(intr_sk));
 169 }
 170
 171 /* HIDP init defines */
 172 extern int __init hidp_init_sockets(void);
 173 extern void __exit hidp_cleanup_sockets(void);
 174
 175 #endif /* __HIDP_H */