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 <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 socket *ctrl_sock;
 130        struct socket *intr_sock;
 131
 132        bdaddr_t bdaddr;
 133
 134        unsigned long state;
 135        unsigned long flags;
 136        unsigned long idle_to;
 137
 138        uint ctrl_mtu;
 139        uint intr_mtu;
 140
 141        atomic_t terminate;
 142
 143        unsigned char keys[8];
 144        unsigned char leds;
 145
 146        struct input_dev *input;
 147
 148        struct hid_device *hid;
 149
 150        struct timer_list timer;
 151
 152        struct sk_buff_head ctrl_transmit;
 153        struct sk_buff_head intr_transmit;
 154
 155        struct hidp_connadd_req *req;
 156};
 157
 158static inline void hidp_schedule(struct hidp_session *session)
 159{
 160        struct sock *ctrl_sk = session->ctrl_sock->sk;
 161        struct sock *intr_sk = session->intr_sock->sk;
 162
 163        wake_up_interruptible(ctrl_sk->sk_sleep);
 164        wake_up_interruptible(intr_sk->sk_sleep);
 165}
 166
 167/* HIDP init defines */
 168extern int __init hidp_init_sockets(void);
 169extern void __exit hidp_cleanup_sockets(void);
 170
 171#endif /* __HIDP_H */
 172