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 #define HIDP_WAITING_FOR_RETURN         10
  84 #define HIDP_WAITING_FOR_SEND_ACK       11
  85
  86 struct hidp_connadd_req {
  87         int   ctrl_sock;        /* Connected control socket */
  88         int   intr_sock;        /* Connected interrupt socket */
  89         __u16 parser;
  90         __u16 rd_size;
  91         __u8 __user *rd_data;
  92         __u8  country;
  93         __u8  subclass;
  94         __u16 vendor;
  95         __u16 product;
  96         __u16 version;
  97         __u32 flags;
  98         __u32 idle_to;
  99         char  name[128];
 100 };
 101
 102 struct hidp_conndel_req {
 103         bdaddr_t bdaddr;
 104         __u32    flags;
 105 };
 106
 107 struct hidp_conninfo {
 108         bdaddr_t bdaddr;
 109         __u32    flags;
 110         __u16    state;
 111         __u16    vendor;
 112         __u16    product;
 113         __u16    version;
 114         char     name[128];
 115 };
 116
 117 struct hidp_connlist_req {
 118         __u32  cnum;
 119         struct hidp_conninfo __user *ci;
 120 };
 121
 122 int hidp_add_connection(struct hidp_connadd_req *req, struct socket *ctrl_sock, struct socket *intr_sock);
 123 int hidp_del_connection(struct hidp_conndel_req *req);
 124 int hidp_get_connlist(struct hidp_connlist_req *req);
 125 int hidp_get_conninfo(struct hidp_conninfo *ci);
 126
 127 /* HIDP session defines */
 128 struct hidp_session {
 129         struct list_head list;
 130
 131         struct hci_conn *conn;
 132
 133         struct socket *ctrl_sock;
 134         struct socket *intr_sock;
 135
 136         bdaddr_t bdaddr;
 137
 138         unsigned long state;
 139         unsigned long flags;
 140         unsigned long idle_to;
 141
 142         uint ctrl_mtu;
 143         uint intr_mtu;
 144
 145         atomic_t terminate;
 146         struct task_struct *task;
 147
 148         unsigned char keys[8];
 149         unsigned char leds;
 150
 151         struct input_dev *input;
 152
 153         struct hid_device *hid;
 154
 155         struct timer_list timer;
 156
 157         struct sk_buff_head ctrl_transmit;
 158         struct sk_buff_head intr_transmit;
 159
 160         /* Used in hidp_get_raw_report() */
 161         int waiting_report_type; /* HIDP_DATA_RTYPE_* */
 162         int waiting_report_number; /* -1 for not numbered */
 163         struct mutex report_mutex;
 164         struct sk_buff *report_return;
 165         wait_queue_head_t report_queue;
 166
 167         /* Used in hidp_output_raw_report() */
 168         int output_report_success; /* boolean */
 169
 170         /* Report descriptor */
 171         __u8 *rd_data;
 172         uint rd_size;
 173
 174         wait_queue_head_t startup_queue;
 175         int waiting_for_startup;
 176 };
 177
 178 static inline void hidp_schedule(struct hidp_session *session)
 179 {
 180         struct sock *ctrl_sk = session->ctrl_sock->sk;
 181         struct sock *intr_sk = session->intr_sock->sk;
 182
 183         wake_up_interruptible(sk_sleep(ctrl_sk));
 184         wake_up_interruptible(sk_sleep(intr_sk));
 185 }
 186
 187 /* HIDP init defines */
 188 extern int __init hidp_init_sockets(void);
 189 extern void __exit hidp_cleanup_sockets(void);
 190
 191 #endif /* __HIDP_H */