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 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 }; 157 158 static 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 */ 168 extern int __init hidp_init_sockets(void); 169 extern void __exit hidp_cleanup_sockets(void); 170 171 #endif /* __HIDP_H */ 172