11da177e4SLinus Torvalds /* 21da177e4SLinus Torvalds HIDP implementation for Linux Bluetooth stack (BlueZ). 31da177e4SLinus Torvalds Copyright (C) 2003-2004 Marcel Holtmann <marcel@holtmann.org> 41da177e4SLinus Torvalds 51da177e4SLinus Torvalds This program is free software; you can redistribute it and/or modify 61da177e4SLinus Torvalds it under the terms of the GNU General Public License version 2 as 71da177e4SLinus Torvalds published by the Free Software Foundation; 81da177e4SLinus Torvalds 91da177e4SLinus Torvalds THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 101da177e4SLinus Torvalds OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 111da177e4SLinus Torvalds FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. 121da177e4SLinus Torvalds IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY 131da177e4SLinus Torvalds CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES 141da177e4SLinus Torvalds WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 151da177e4SLinus Torvalds ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 161da177e4SLinus Torvalds OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 171da177e4SLinus Torvalds 181da177e4SLinus Torvalds ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, 191da177e4SLinus Torvalds COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS 201da177e4SLinus Torvalds SOFTWARE IS DISCLAIMED. 211da177e4SLinus Torvalds */ 221da177e4SLinus Torvalds 231da177e4SLinus Torvalds #ifndef __HIDP_H 241da177e4SLinus Torvalds #define __HIDP_H 251da177e4SLinus Torvalds 261da177e4SLinus Torvalds #include <linux/types.h> 271da177e4SLinus Torvalds #include <net/bluetooth/bluetooth.h> 281da177e4SLinus Torvalds 291da177e4SLinus Torvalds /* HIDP header masks */ 301da177e4SLinus Torvalds #define HIDP_HEADER_TRANS_MASK 0xf0 311da177e4SLinus Torvalds #define HIDP_HEADER_PARAM_MASK 0x0f 321da177e4SLinus Torvalds 331da177e4SLinus Torvalds /* HIDP transaction types */ 341da177e4SLinus Torvalds #define HIDP_TRANS_HANDSHAKE 0x00 351da177e4SLinus Torvalds #define HIDP_TRANS_HID_CONTROL 0x10 361da177e4SLinus Torvalds #define HIDP_TRANS_GET_REPORT 0x40 371da177e4SLinus Torvalds #define HIDP_TRANS_SET_REPORT 0x50 381da177e4SLinus Torvalds #define HIDP_TRANS_GET_PROTOCOL 0x60 391da177e4SLinus Torvalds #define HIDP_TRANS_SET_PROTOCOL 0x70 401da177e4SLinus Torvalds #define HIDP_TRANS_GET_IDLE 0x80 411da177e4SLinus Torvalds #define HIDP_TRANS_SET_IDLE 0x90 421da177e4SLinus Torvalds #define HIDP_TRANS_DATA 0xa0 431da177e4SLinus Torvalds #define HIDP_TRANS_DATC 0xb0 441da177e4SLinus Torvalds 451da177e4SLinus Torvalds /* HIDP handshake results */ 461da177e4SLinus Torvalds #define HIDP_HSHK_SUCCESSFUL 0x00 471da177e4SLinus Torvalds #define HIDP_HSHK_NOT_READY 0x01 481da177e4SLinus Torvalds #define HIDP_HSHK_ERR_INVALID_REPORT_ID 0x02 491da177e4SLinus Torvalds #define HIDP_HSHK_ERR_UNSUPPORTED_REQUEST 0x03 501da177e4SLinus Torvalds #define HIDP_HSHK_ERR_INVALID_PARAMETER 0x04 511da177e4SLinus Torvalds #define HIDP_HSHK_ERR_UNKNOWN 0x0e 521da177e4SLinus Torvalds #define HIDP_HSHK_ERR_FATAL 0x0f 531da177e4SLinus Torvalds 541da177e4SLinus Torvalds /* HIDP control operation parameters */ 551da177e4SLinus Torvalds #define HIDP_CTRL_NOP 0x00 561da177e4SLinus Torvalds #define HIDP_CTRL_HARD_RESET 0x01 571da177e4SLinus Torvalds #define HIDP_CTRL_SOFT_RESET 0x02 581da177e4SLinus Torvalds #define HIDP_CTRL_SUSPEND 0x03 591da177e4SLinus Torvalds #define HIDP_CTRL_EXIT_SUSPEND 0x04 601da177e4SLinus Torvalds #define HIDP_CTRL_VIRTUAL_CABLE_UNPLUG 0x05 611da177e4SLinus Torvalds 621da177e4SLinus Torvalds /* HIDP data transaction headers */ 631da177e4SLinus Torvalds #define HIDP_DATA_RTYPE_MASK 0x03 641da177e4SLinus Torvalds #define HIDP_DATA_RSRVD_MASK 0x0c 651da177e4SLinus Torvalds #define HIDP_DATA_RTYPE_OTHER 0x00 661da177e4SLinus Torvalds #define HIDP_DATA_RTYPE_INPUT 0x01 671da177e4SLinus Torvalds #define HIDP_DATA_RTYPE_OUPUT 0x02 681da177e4SLinus Torvalds #define HIDP_DATA_RTYPE_FEATURE 0x03 691da177e4SLinus Torvalds 701da177e4SLinus Torvalds /* HIDP protocol header parameters */ 711da177e4SLinus Torvalds #define HIDP_PROTO_BOOT 0x00 721da177e4SLinus Torvalds #define HIDP_PROTO_REPORT 0x01 731da177e4SLinus Torvalds 741da177e4SLinus Torvalds /* HIDP ioctl defines */ 751da177e4SLinus Torvalds #define HIDPCONNADD _IOW('H', 200, int) 761da177e4SLinus Torvalds #define HIDPCONNDEL _IOW('H', 201, int) 771da177e4SLinus Torvalds #define HIDPGETCONNLIST _IOR('H', 210, int) 781da177e4SLinus Torvalds #define HIDPGETCONNINFO _IOR('H', 211, int) 791da177e4SLinus Torvalds 801da177e4SLinus Torvalds #define HIDP_VIRTUAL_CABLE_UNPLUG 0 811da177e4SLinus Torvalds #define HIDP_BOOT_PROTOCOL_MODE 1 821da177e4SLinus Torvalds #define HIDP_BLUETOOTH_VENDOR_ID 9 830ff1731aSAlan Ott #define HIDP_WAITING_FOR_RETURN 10 840825411aSAlan Ott #define HIDP_WAITING_FOR_SEND_ACK 11 851da177e4SLinus Torvalds 861da177e4SLinus Torvalds struct hidp_connadd_req { 8717f09a7eSSzymon Janc int ctrl_sock; /* Connected control socket */ 8817f09a7eSSzymon Janc int intr_sock; /* Connected interrupt socket */ 891da177e4SLinus Torvalds __u16 parser; 901da177e4SLinus Torvalds __u16 rd_size; 9155e74744SAl Viro __u8 __user *rd_data; 921da177e4SLinus Torvalds __u8 country; 931da177e4SLinus Torvalds __u8 subclass; 941da177e4SLinus Torvalds __u16 vendor; 951da177e4SLinus Torvalds __u16 product; 961da177e4SLinus Torvalds __u16 version; 971da177e4SLinus Torvalds __u32 flags; 981da177e4SLinus Torvalds __u32 idle_to; 991da177e4SLinus Torvalds char name[128]; 1001da177e4SLinus Torvalds }; 1011da177e4SLinus Torvalds 1021da177e4SLinus Torvalds struct hidp_conndel_req { 1031da177e4SLinus Torvalds bdaddr_t bdaddr; 1041da177e4SLinus Torvalds __u32 flags; 1051da177e4SLinus Torvalds }; 1061da177e4SLinus Torvalds 1071da177e4SLinus Torvalds struct hidp_conninfo { 1081da177e4SLinus Torvalds bdaddr_t bdaddr; 1091da177e4SLinus Torvalds __u32 flags; 1101da177e4SLinus Torvalds __u16 state; 1111da177e4SLinus Torvalds __u16 vendor; 1121da177e4SLinus Torvalds __u16 product; 1131da177e4SLinus Torvalds __u16 version; 1141da177e4SLinus Torvalds char name[128]; 1151da177e4SLinus Torvalds }; 1161da177e4SLinus Torvalds 1171da177e4SLinus Torvalds struct hidp_connlist_req { 1181da177e4SLinus Torvalds __u32 cnum; 1191da177e4SLinus Torvalds struct hidp_conninfo __user *ci; 1201da177e4SLinus Torvalds }; 1211da177e4SLinus Torvalds 1221da177e4SLinus Torvalds int hidp_add_connection(struct hidp_connadd_req *req, struct socket *ctrl_sock, struct socket *intr_sock); 1231da177e4SLinus Torvalds int hidp_del_connection(struct hidp_conndel_req *req); 1241da177e4SLinus Torvalds int hidp_get_connlist(struct hidp_connlist_req *req); 1251da177e4SLinus Torvalds int hidp_get_conninfo(struct hidp_conninfo *ci); 1261da177e4SLinus Torvalds 1271da177e4SLinus Torvalds /* HIDP session defines */ 1281da177e4SLinus Torvalds struct hidp_session { 1291da177e4SLinus Torvalds struct list_head list; 1301da177e4SLinus Torvalds 131edad6388SMarcel Holtmann struct hci_conn *conn; 132edad6388SMarcel Holtmann 1331da177e4SLinus Torvalds struct socket *ctrl_sock; 1341da177e4SLinus Torvalds struct socket *intr_sock; 1351da177e4SLinus Torvalds 1361da177e4SLinus Torvalds bdaddr_t bdaddr; 1371da177e4SLinus Torvalds 1381da177e4SLinus Torvalds unsigned long state; 1391da177e4SLinus Torvalds unsigned long flags; 1401da177e4SLinus Torvalds unsigned long idle_to; 1411da177e4SLinus Torvalds 1421da177e4SLinus Torvalds uint ctrl_mtu; 1431da177e4SLinus Torvalds uint intr_mtu; 1441da177e4SLinus Torvalds 1457bb59df8SPeter Hurley atomic_t terminate; 146aabf6f89SSzymon Janc struct task_struct *task; 1471da177e4SLinus Torvalds 1481da177e4SLinus Torvalds unsigned char keys[8]; 1491da177e4SLinus Torvalds unsigned char leds; 1501da177e4SLinus Torvalds 1511da177e4SLinus Torvalds struct input_dev *input; 1521da177e4SLinus Torvalds 153e1aaadd4SMarcel Holtmann struct hid_device *hid; 154e1aaadd4SMarcel Holtmann 1551da177e4SLinus Torvalds struct timer_list timer; 1561da177e4SLinus Torvalds 1571da177e4SLinus Torvalds struct sk_buff_head ctrl_transmit; 1581da177e4SLinus Torvalds struct sk_buff_head intr_transmit; 159c500c971SJiri Slaby 1600ff1731aSAlan Ott /* Used in hidp_get_raw_report() */ 1610ff1731aSAlan Ott int waiting_report_type; /* HIDP_DATA_RTYPE_* */ 1620ff1731aSAlan Ott int waiting_report_number; /* -1 for not numbered */ 1630ff1731aSAlan Ott struct mutex report_mutex; 1640ff1731aSAlan Ott struct sk_buff *report_return; 1650ff1731aSAlan Ott wait_queue_head_t report_queue; 1660ff1731aSAlan Ott 1670825411aSAlan Ott /* Used in hidp_output_raw_report() */ 1680825411aSAlan Ott int output_report_success; /* boolean */ 1690825411aSAlan Ott 17015c697ceSMichael Poole /* Report descriptor */ 17115c697ceSMichael Poole __u8 *rd_data; 17215c697ceSMichael Poole uint rd_size; 1730f69dca2SAlan Ott 1740f69dca2SAlan Ott wait_queue_head_t startup_queue; 1750f69dca2SAlan Ott int waiting_for_startup; 1761da177e4SLinus Torvalds }; 1771da177e4SLinus Torvalds 1781da177e4SLinus Torvalds static inline void hidp_schedule(struct hidp_session *session) 1791da177e4SLinus Torvalds { 1801da177e4SLinus Torvalds struct sock *ctrl_sk = session->ctrl_sock->sk; 1811da177e4SLinus Torvalds struct sock *intr_sk = session->intr_sock->sk; 1821da177e4SLinus Torvalds 183aa395145SEric Dumazet wake_up_interruptible(sk_sleep(ctrl_sk)); 184aa395145SEric Dumazet wake_up_interruptible(sk_sleep(intr_sk)); 1851da177e4SLinus Torvalds } 1861da177e4SLinus Torvalds 1871da177e4SLinus Torvalds /* HIDP init defines */ 1881da177e4SLinus Torvalds extern int __init hidp_init_sockets(void); 1891da177e4SLinus Torvalds extern void __exit hidp_cleanup_sockets(void); 1901da177e4SLinus Torvalds 1911da177e4SLinus Torvalds #endif /* __HIDP_H */ 192